CN111113798A

CN111113798A - Die change system with shared drive

Info

Publication number: CN111113798A
Application number: CN202010104160.6A
Authority: CN
Inventors: 王令军; 李惠; 李川; 孙鹏
Original assignee: Weihai Lici Electric Co ltd
Current assignee: Weihai Lici Electric Co ltd
Priority date: 2020-02-20
Filing date: 2020-02-20
Publication date: 2020-05-08

Abstract

The invention relates to the field of power transmission equipment, in particular to a die change system with a shared driving device, which comprises a die change trolley and fixing equipment, wherein the die change trolley comprises a die change trolley body, a die change roller mechanism is arranged on the die change trolley body, the fixing equipment comprises a fixing support, a power roller mechanism is arranged on the fixing support, a power transmission mechanism is arranged on the fixing support, the power transmission mechanism comprises a driving transmission mechanism and a driven mechanism, the driving transmission mechanism comprises a power driving part and a power transmission part, the power driving part drives a roller on the die change trolley to rotate through a motor or a hand wheel, the power transmission part transmits the driving force of the power driving part to the driven mechanism, the driven mechanism drives the roller on the fixing equipment to rotate, only one motor or no motor is needed for realizing the rotation of the die change trolley and the roller on the fixing equipment, and the invention can greatly reduce the use number of the motors, the production cost of the die is reduced, and the die is driven synchronously, convenient to operate and easy to control.

Description

Die change system with shared drive

Technical Field

The invention relates to the field of power transmission equipment, in particular to a die change system with a common driving device.

Background

The existing mold processing is that the mold is usually moved from a mold warehouse to a mold changing trolley, the mold is conveyed to a preheating station through the mold changing trolley, after preheating, the mold is moved from the preheating station to the mold changing trolley, and the mold is conveyed to an injection molding machine through the mold changing trolley for mold changing, along with the progress of society, the process is automated, for example, Chinese patent CN109940824A, an automatic mold carrying and changing system and method under the name of unmanned state, the automatic carrying, automatic preheating, automatic mold changing and automatic warehousing of the mold are realized, but the mold changing trolley, the mold warehouse, the preheating station and the injection molding machine all need to be driven by a motor in the production process, the common mold changing trolley, for example, patent No. CN108358120A, the trolley under the name of automatic operation mold changing or patent No. CN204338730U, the name of novel rapid mold changing trolley, generally comprises a mold changing trolley body, and the lower end of the mold changing trolley body is provided with four universal wheels, the upper end of the mould changing rack is provided with a mould changing rack, the mould changing rack is provided with a mould changing roller mechanism, the mould changing roller mechanism comprises a mould changing rack, mould changing rollers, a roller shaft, a chain wheel and a chain, more than two mould changing rollers for moving moulds are arranged on the mould changing rack side by side, the mould changing rollers are fixedly connected with the roller shaft, the roller shaft is fixedly provided with the chain wheel, the rollers are driven to rotate by the chain and the gear shaft on the motor, the adjacent rollers realize synchronous driving by the chain wheel and the chain, the rollers rotate to drive the moulds to move, so that mould changing is realized, according to the actual production requirements, the mould changing trolley can be designed in a single working position or in a double working position, and is provided with two sets of mould changing rollers (or matched with a plurality of moulds as required) and can; the traditional die warehouse is generally stacked in a single layer and is butted with a die changing trolley, a bracket of the die warehouse is provided with a power roller mechanism corresponding to the die changing roller mechanism, the power roller mechanism generally comprises a die frame, a power roller, a roller shaft, a chain wheel and a chain, the power rollers are arranged on the die frame side by side, and the rollers are driven by a motor to rotate so as to realize the movement of the die from the die warehouse to the die changing trolley; a conventional preheating station, as described in patent No. CN109940824A, generally includes a support, a guide rail, a guide roller and a quick-insertion device are disposed on an upper end surface of the support, the guide roller is driven by a motor driving device, and when a mold is in place, a preheating station control device instructs the motor driving device to move the mold to the upper end surface of the preheating station for preheating; after preheating is finished, the mold is moved to a mold changing trolley from a preheating station, the mold changing trolley conveys the mold to an injection molding machine for processing, a common injection molding machine such as a patent No. CN202439154U is named as an automatic mold changing system of the injection molding machine, a mold changing frame of the injection molding machine is provided with a power roller mechanism, and a speed reducing motor drives a roller to rotate through a chain to realize mold changing; the mold changing trolley, the mold warehouse, the preheating station and the rotary drum on each rack of the injection molding machine are driven by the motor to move and change the mold, and the motors are large in number, high in cost and high in energy consumption; and secondly, the roller driving devices on the die changing trolley, the die warehouse, the preheating station and the injection molding machine are all driven by different motors, the rotating speeds of the rollers are not easy to be synchronized, and the control difficulty is higher.

Disclosure of Invention

The invention aims to solve the defects of the prior art and provides the die changing system with the shared driving device, which has the advantages of less usage amount of motors, low cost, less energy consumption, convenient and well-controlled synchronous driving and small field construction difficulty.

The utility model provides a retooling system with sharing drive arrangement, includes retooling platform truck and fixed equipment, the retooling platform truck includes the retooling automobile body, be equipped with retooling cylinder mechanism on the retooling automobile body, fixed equipment includes the fixed bolster, be equipped with power cylinder mechanism on the fixed bolster, its characterized in that: the die change trolley is provided with a power transmission mechanism, the power transmission mechanism comprises a driving transmission mechanism and a driven mechanism, the driving transmission mechanism is arranged on the die change trolley, the driven mechanism is arranged on a fixing device, the driven mechanism is connected with synchronous driving through the driving transmission mechanism, the driving transmission mechanism comprises a power driving part and a power transmission part, the power driving part comprises a driving gear fixing plate, a driving motor, a motor gear, a transmission gear, a driving transmission sleeve, a first gear, a second gear, a connecting shaft, a driving chain wheel and a driving chain, the power transmission part is arranged on one side of the driving motor and comprises an electric push rod, a steel ball, a screw, a gear transmission shaft, a limit pin and a positioning pin, a supporting cross beam is arranged at the lower end of the die change roller mechanism at intervals, and two ends of the supporting cross beam are respectively and fixedly connected with the die change trolley body, a driving gear fixing plate is arranged on the supporting cross beam, the lower end of the driving gear fixing plate is fixedly connected with the supporting cross beam, the upper end of the driving gear fixing plate is provided with a driving motor and an electric push rod in parallel, the driving motor is connected with a power supply, the driving motor is fixedly connected with the driving gear fixing plate through a motor bracket, an output shaft of the driving motor is fixedly connected with a motor gear, the motor gear is meshed with a transmission gear, the transmission gear is fixedly connected with a driving transmission sleeve, the driving transmission sleeve is connected with the driving gear fixing plate through a bearing and a bearing seat, the driving transmission sleeve is provided with a first gear in front of the transmission gear and provided with an electric push rod at the rear, the first gear is fixedly connected with the driving transmission sleeve, the first gear is meshed with a second gear, the second gear is fixedly connected with one end of a connecting shaft, and, the other end of the connecting shaft is provided with a driving chain wheel which is fixedly connected with the connecting shaft, the driving chain wheel is connected with a chain wheel of a roller shaft on the die changing roller mechanism through a driving chain so as to be beneficial to driving a motor gear to rotate through the driving motor, the motor gear transmits power to a transmission gear through meshing with the transmission gear, the transmission gear drives a driving transmission sleeve to rotate through rotation, the driving transmission sleeve drives a first gear on the driving transmission sleeve to rotate, the first gear transmits power to a second gear through meshing, the second gear drives the connecting shaft to rotate, the connecting shaft drives the driving chain wheel to rotate, the driving chain wheel is connected with chain wheels on one or two roller shafts on the die changing roller mechanism through the driving chain so as to drive the rollers to rotate, synchronous rotation is realized between adjacent die changing rollers through the chain wheels and the chain, the electric push rod is connected with a power supply, and the electric push rod is fixedly connected with a driving, the front end of a push rod of the electric push rod is provided with a transmission shaft inserting hole, the push rod is positioned in the transmission shaft inserting hole and is internally provided with an annular upper steel ball groove, the outer wall of the push rod is provided with a steel ball hole communicated with the upper steel ball groove, the rear end of the gear transmission shaft is provided with an annular lower steel ball groove, the gear transmission shaft is inserted into the transmission shaft inserting hole of the electric push rod, a steel ball enters the space between the upper steel ball groove and the lower steel ball groove through the steel ball hole and is connected with the electric push rod through screw locking, so that the gear transmission shaft is driven by the electric push rod to axially move in the driving transmission sleeve, meanwhile, the gear transmission shaft can rotate to transmit power, a driven mechanism is arranged in front of the gear transmission shaft, the front end of the gear transmission shaft is radially and uniformly provided with positioning pins, the middle surface, the lower end of the limiting pin is fixedly connected with the gear transmission shaft, the upper end of the limiting pin penetrates through the limiting pin groove, the gear transmission shaft and the driving transmission sleeve are circumferentially fixed through limiting of the limiting pin groove, so that the gear transmission shaft can rotate along with the driving transmission sleeve, meanwhile, the gear transmission shaft can axially move in the driving transmission sleeve through the limiting pin groove, the driven mechanism comprises a driven gear fixing plate, a driven transmission sleeve, a third gear, a fourth gear, a fixing shaft, a fixing chain wheel and a fixing chain, the fixing support is arranged at the lower end of the power roller mechanism and is provided with fixing cross beams at intervals, two ends of the fixing cross beams are respectively fixedly connected with the fixing support, the fixing cross beams are provided with driven gear fixing plates, the lower ends of the driven gear fixing plates are fixedly connected with the fixing cross beams, and the driven transmission sleeve, the third gear, the central line of the driven transmission sleeve and the central line of the driving transmission sleeve are on the same horizontal line, one end of the driven transmission sleeve, which is connected with the gear transmission shaft, is provided with an open positioning pin groove matched with the positioning pin, the gear transmission shaft is pushed by the electric push rod to move axially forwards and is embedded into the driven transmission sleeve, the positioning pin is limited by the open positioning pin groove to fix the gear transmission shaft and the driven transmission sleeve circumferentially so as to facilitate the driven transmission sleeve to rotate along with the gear transmission shaft, the driven transmission sleeve is connected with a driven gear fixing plate through a bearing and a bearing seat, the transmission sleeve is provided with a third gear, the third gear is meshed with a fourth gear, the fourth gear is fixedly connected with one end of a fixed shaft, the other end of the fixed shaft is provided with a fixed chain wheel, and the fixed shaft is connected with the driven gear fixing, the fixed chain wheel is fixedly connected with the fixed shaft, the fixed chain wheel is connected with a chain wheel of a roller shaft on the power roller mechanism through a fixed chain, so that the driven transmission sleeve is facilitated to drive the third gear to rotate, the third gear is meshed with the fourth gear to drive the fourth gear to rotate, the fourth gear drives the fixed chain wheel to rotate through the fixed shaft, the fixed chain wheel is connected with a chain wheel on one or two roller shafts of the power roller mechanism on the fixed equipment through the chain, synchronous rotation is realized between adjacent rollers on the fixed equipment through the chain wheel and the chain, therefore, power is transmitted to the fixed equipment from the die changing trolley, the die changing trolley and the roller on the fixed equipment are driven only by one motor, and the production cost and the electric energy are greatly reduced.

The fixing equipment is an injection molding machine or a mold warehouse or a preheating station, so that power can be transmitted to the injection molding machine or the mold warehouse or the preheating station through the power transmission mechanism, the injection molding machine or the mold warehouse or the preheating station does not need to be provided with a motor independently, the number of the motors is greatly reduced, the cost is reduced, and the electric energy is saved.

The application can also be realized by the following scheme:

the utility model provides a retooling system with sharing drive arrangement, includes retooling platform truck and fixed equipment, the retooling platform truck includes the retooling automobile body, be equipped with retooling cylinder mechanism on the retooling automobile body, fixed equipment includes the fixed bolster, be equipped with power cylinder mechanism on the fixed bolster, its characterized in that: the die change trolley is provided with a power transmission mechanism, the power transmission mechanism comprises a driving transmission mechanism and a driven mechanism, the driving transmission mechanism is arranged on the die change trolley, the driven mechanism is arranged on a fixing device, the driven mechanism is connected with synchronous driving through the driving transmission mechanism, the driving transmission mechanism comprises a power driving part and a power transmission part, the power driving part comprises a driving gear fixing plate, a driving motor, a motor gear, a transmission gear, a driving transmission shaft, a first gear, a second gear, a connecting shaft, a driving chain wheel and a driving chain, one side of the driving motor is provided with the power transmission part, the power transmission part comprises an electric push rod, a shifting fork, a belt shaft bearing, a driving transmission sleeve and a first cylindrical pin, a die change trolley body is arranged at the lower end of the die change roller mechanism at intervals and is provided with a supporting beam, and two ends of the supporting beam are respectively fixedly connected, a driving gear fixing plate is arranged on the supporting cross beam, the lower end of the driving gear fixing plate is fixedly connected with the supporting cross beam, a driving motor and an electric push rod are arranged at the upper end of the driving gear fixing plate in parallel, the driving motor is connected with a power supply, the driving motor is fixedly connected with the driving gear fixing plate through a motor bracket, an output shaft of the driving motor is fixedly connected with a motor gear, the motor gear is meshed with a transmission gear, the transmission gear is fixedly connected with the rear end of a driving transmission shaft, first cylindrical pins are radially and uniformly distributed on the surface of the front end of the driving transmission shaft, a driving transmission sleeve is sleeved at the front end of the driving transmission shaft, a first gear is arranged in front of the transmission gear, an electric push rod is arranged at the rear of the transmission shaft, the driving transmission shaft is connected, the first gear is meshed with the second gear, the second gear is fixedly connected with one end of a connecting shaft, the connecting shaft is connected with a driving gear fixing plate through a bearing and a bearing seat, the other end of the connecting shaft is provided with a driving chain wheel, the driving chain wheel is fixedly connected with the connecting shaft, the driving chain wheel is connected with a chain wheel of a roller shaft on the mold changing roller mechanism through a driving chain, so that the driving motor drives the motor gear to rotate, the motor gear is meshed with a transmission gear to transmit power to the transmission gear, the transmission gear rotates to drive a driving transmission shaft to rotate, the driving transmission shaft drives a first gear on the transmission shaft to rotate, the first gear transmits power to the second gear through meshing, the second gear drives the connecting shaft to rotate, the connecting shaft drives the driving chain wheel to rotate, and the driving chain wheel is connected with a chain wheel on one or two roller shafts in the mold changing roller, and then drive the cylinder to rotate, realize the synchronous revolution through sprocket, chain between the adjacent retooling cylinders, the radial equipartition of drive sleeve inner wall is equipped with the cylinder keyway, the drive sleeve is overlapped on the drive transmission shaft and through first cylindric lock and cylinder keyway circumference fixed connection, so as to do benefit to the drive sleeve can axial displacement on the drive transmission shaft and can rotate along with the drive transmission shaft, the surface of drive sleeve rear end is equipped with the annular groove, electric putter is connected with the power, electric putter is connected with the driving gear fixed plate through electric putter support, the front end of electric putter is connected with shift fork fixed connection, the shift fork inner wall evenly is equipped with the belt shaft bearing, the one end of belt shaft on the belt shaft bearing is connected with shift fork fixed connection, belt shaft bearing one end imbeds in the annular groove of drive transmission sleeve and connects the belt shaft bearing with the drive transmission sleeve slip, so as to be favorable for pushing the shifting fork by an electric push rod, the shifting fork drives the driving transmission sleeve to move along the axial direction of the driving transmission shaft, a driven mechanism is arranged in front of the driving transmission sleeve and comprises a driven gear fixing plate, a driven transmission shaft, a third gear, a fourth gear, a fixed shaft, a fixed chain wheel and a fixed chain, a fixed cross beam is arranged at the lower end of the power roller mechanism at intervals of the fixed support, two ends of the fixed cross beam are respectively fixedly connected with the fixed support, the driven gear fixing plate is arranged on the fixed cross beam, the lower end of the driven gear fixing plate is fixedly connected with the fixed cross beam, the driven transmission shaft, the third gear, the fourth gear and the fixed shaft are arranged above the driven gear fixing plate, the central line of the driven transmission shaft and the central line of the driving transmission shaft are on the same horizontal line, and second cylindrical pins, the driving transmission sleeve is sleeved on the driven transmission shaft in a forward moving mode and is connected with the driven transmission shaft through the second cylindrical pin and the cylindrical pin groove, so that the driving transmission sleeve can move axially under the action of the electric push rod, the driving transmission sleeve is sleeved on the driven transmission shaft, the second cylindrical pin enters the cylindrical pin groove, when the driving transmission sleeve rotates, the driven transmission shaft can rotate along with the driving transmission sleeve due to the matching of the second cylindrical pin and the cylindrical pin groove, the driven transmission shaft is connected with a driven gear fixing plate through a bearing and a bearing seat, a third gear is arranged on the driven transmission shaft and is meshed with a fourth gear, the fourth gear is fixedly connected with one end of a fixed shaft, the other end of the fixed shaft is provided with a fixed chain wheel, the fixed shaft is connected with the driven gear fixing plate through the bearing and the bearing seat, the fixed chain wheel is fixedly connected with the fixed shaft, and the fixed chain wheel is connected with a chain, drive the third gear rotation with doing benefit to driven transmission shaft, third gear and fourth gear engagement, it is rotatory to drive the fourth gear, the fourth gear passes through the fixed axle and drives fixed sprocket rotatoryly, fixed sprocket passes through the chain and links with the epaxial sprocket of one or two drums of power roller mechanism on the fixed equipment, pass through the sprocket on the fixed equipment between the adjacent cylinder, synchronous revolution is realized to the chain, therefore, transmit power for fixed equipment from retooling platform truck, the drive of cylinder only needs a motor on retooling platform truck and the fixed equipment can, greatly reduced manufacturing cost and electric energy.

The bearing seat at the lower end of the driving transmission shaft is provided with the push rod through hole, the electric push rod penetrates through the bearing seat and is connected with the bearing seat through the oilless bushing, so that the support force for the push rod is provided through the bearing seat, and meanwhile, the friction force between the electric push rod and the bearing seat is reduced through the oilless bushing.

The application can also be realized by the following scheme:

the utility model provides a retooling system with sharing drive arrangement, includes retooling platform truck and fixed equipment, the retooling platform truck includes the retooling automobile body, be equipped with retooling cylinder mechanism on the retooling automobile body, fixed equipment includes the fixed bolster, be equipped with power cylinder mechanism on the fixed bolster, its characterized in that: the die change trolley is provided with a power transmission mechanism, the power transmission mechanism comprises a driving transmission mechanism and a driven mechanism, the driving transmission mechanism is arranged on the die change trolley, the driven mechanism is arranged on a fixing device, the driven mechanism is connected with synchronous drive through the driving transmission mechanism, the driving transmission mechanism comprises a driving worm wheel, a support plate, a driving support fixing plate, a driving worm support, a driving worm sleeve, an oil-free bush, a hand wheel, a worm transmission shaft, a first fixing pin, a second fixing pin and a third fixing pin, one end of each roller shaft on the die change roller mechanism is provided with the driving worm wheel which is fixedly connected with the roller shaft, the lower end of the driving worm wheel is provided with the driving worm sleeve, a support plate is arranged below the die change roller mechanism on the die change trolley body, two ends of the support plate are respectively fixedly connected with the die change trolley body, the upper, the lower end of the driving support fixing plate is fixedly connected with the support plate, a driving worm support is arranged on the driving support fixing plate at intervals, the lower end of the driving worm support is fixedly connected with the driving support fixing plate, a worm sleeve hole is formed in the driving worm support, the driving worm sleeve is connected with the driving worm support through an oilless bushing, spiral teeth meshed with a driving worm wheel are arranged on the outer wall of the driving worm sleeve at intervals, so that the driving worm sleeve and the driving worm wheel are meshed for transmission, a driven mechanism is arranged in front of the driving worm sleeve, a hand wheel is arranged at the rear of the driving worm sleeve, a worm transmission shaft is arranged in the driving worm sleeve, first fixing pins are radially and uniformly distributed at the front end of the worm transmission shaft, second fixing pins are radially and uniformly distributed at the rear end of the worm transmission shaft, third fixing pins are radially and uniformly distributed in the middle, the rear end of the driving worm sleeve is provided with a second split pin groove matched with the second cylindrical pin, one end of a third fixing pin is fixedly connected with the worm transmission shaft, the other end of the third fixing pin is matched with the third pin groove, one end of the second fixing pin is fixedly connected with the worm transmission shaft, the other end of the second fixing pin is matched with the second split pin groove to fixedly connect the worm transmission shaft with the driving worm sleeve in the circumferential direction, the rear end of the worm transmission shaft penetrates out of the driving worm sleeve to be fixedly connected with a hand, so that the hand wheel is pushed manually, the driving worm wheel shaft can move axially in the driving worm sleeve through the second split pin groove and the third pin groove, the driving worm sleeve is matched with the third pin groove and the second split pin groove through the third fixing pin, when the hand wheel is rotated to drive the worm transmission shaft to rotate, the driving worm sleeve can rotate along with the worm transmission shaft, the upper end of the driving worm sleeve is meshed, the driven mechanism comprises a driven worm wheel, a fixing plate, a driven support fixing plate, a driven worm support and a driven worm sleeve, wherein the driven worm wheel is arranged at one end of each roller shaft on the power roller mechanism, the driven worm wheel is fixedly connected with the roller shafts, the driven worm sleeve is arranged at the lower end of the driven worm wheel, the fixing plate is arranged below the power roller mechanism on the fixing support, two ends of the fixing plate are respectively and fixedly connected with the fixing support, the driven support fixing plate is arranged at the upper end of the fixing plate, the lower end of the driven support fixing plate is fixedly connected with the fixing plate, the driven worm supports are arranged on the driven support fixing plate at intervals, the lower end of the driven worm support is fixedly connected with the driven support fixing plate, and worm sleeve holes are formed in the driven worm supports, the driven worm cover is connected with the driven worm support through an oil-free bush, the spiral teeth meshed with the driven worm wheel are arranged on the outer wall of the driven worm cover at intervals to be beneficial to the meshing transmission of the driven worm cover and the driven worm wheel, the central line of the driven worm cover and the central line of the driving worm cover are on the same horizontal line, the outer wall of one end of the driven worm cover butted with the driving worm cover is provided with a first opening pin groove, when the worm transmission shaft moves forwards towards the driven mechanism under the driving of the hand wheel, the worm transmission shaft enters the driven worm cover, a first fixed pin on the worm transmission shaft is matched with the first opening pin groove to fixedly connect the worm transmission shaft with the driven worm cover in the circumferential direction, so that the driven worm cover can rotate along with the worm transmission shaft, the spiral teeth on the driven worm cover are meshed with the driven worm wheel, and then the driven worm wheel is driven to rotate, the synchronous driving of the die changing trolley and the fixing equipment is realized.

The fixing equipment is an injection molding machine, a mold warehouse or a preheating station, so that synchronous driving of the mold changing trolley and the fixing equipment can be realized by manually rotating a hand wheel, and meanwhile, the mold changing trolley, the injection molding machine, the mold warehouse or the preheating station does not need to be provided with a motor independently, so that the number of the motors is greatly reduced, the cost is reduced, and the energy consumption is saved.

The application can also be realized by the following scheme:

the utility model provides a retooling system with sharing drive arrangement, includes retooling platform truck, fixed equipment I and fixed equipment II, the retooling platform truck is including the retooling automobile body, be equipped with retooling cylinder mechanism on the retooling automobile body, fixed equipment I includes the fixed bolster, be equipped with power roller mechanism I on the fixed bolster, fixed equipment II includes the installing support, be equipped with power roller mechanism II on the installing support, its characterized in that: be equipped with power transmission mechanism, power transmission mechanism includes drive transmission mechanism, follower I and follower II, drive transmission mechanism establishes on retooling platform truck, follower I is established on fixed equipment I, follower II is established on fixed equipment II, follower I and follower II are respectively through drive transmission mechanism connection synchronous drive, drive transmission mechanism includes power drive part and two-way power transmission part, power drive part includes driving gear fixed plate, driving motor, motor gear, transmission gear, initiative driving sleeve, first gear, second gear, connecting axle, drive sprocket and drive chain, driving motor one side is equipped with two-way power transmission part, two-way power transmission part includes electric putter, two-way transmission shaft, switching-over section, supports cover, preceding locating pin, front locating pin, A rear positioning pin, a limit pin, a steel ball and a bolt,

the die change trolley body is positioned at the lower end of the die change roller mechanism and is provided with supporting beams at intervals, two ends of each supporting beam are respectively fixedly connected with the die change trolley body, a driving gear fixing plate is arranged on each supporting beam, the lower end of each driving gear fixing plate is fixedly connected with each supporting beam, the upper end of each driving gear fixing plate is provided with a driving motor, a bidirectional transmission shaft and an electric push rod in parallel, the driving motor is connected with a power supply, the driving motor is fixedly connected with the driving gear fixing plates through a motor bracket, an output shaft of the driving motor is fixedly connected with a motor gear, the motor gear is meshed with a transmission gear, the transmission gear is fixedly connected with a driving transmission sleeve, the driving transmission sleeve is connected with the driving gear fixing plates through a bearing and a bearing seat, the driving transmission sleeve is positioned in front of the transmission, the first gear is meshed with the second gear, the second gear is fixedly connected with one end of a connecting shaft, the connecting shaft is connected with a driving gear fixing plate through a bearing and a bearing seat, the other end of the connecting shaft is provided with a driving chain wheel, the driving chain wheel is fixedly connected with the connecting shaft, the driving chain wheel is connected with a chain wheel of a roller shaft on the mold changing roller mechanism through a driving chain, so that the driving motor drives the motor gear to rotate through the driving motor, the motor gear transmits power to the transmission gear through meshing with the transmission gear, the transmission gear drives the driving transmission sleeve to rotate, the driving transmission sleeve drives the first gear on the transmission gear to rotate, the first gear transmits power to the second gear through meshing, the second gear drives the connecting shaft to rotate, the driving chain wheel drives the chain wheel on the roller shaft in the mold changing roller mechanism to rotate through the driving chain, the two-way transmission shaft is provided with a driving transmission sleeve, a reversing joint and a supporting sleeve at intervals from front to back, the front end of the two-way transmission shaft is radially and uniformly provided with a front positioning pin, the two-way transmission shaft is radially and uniformly provided with a limiting pin in the driving transmission sleeve, the two-way transmission shaft is provided with an annular steel ball groove in the reversing joint, the two-way transmission shaft penetrates through the rear end of the supporting sleeve and is radially and uniformly provided with a back positioning pin, the driving transmission sleeve is provided with a limiting pin groove matched with the limiting pin, the driving transmission sleeve penetrates through the limiting pin groove through the limiting pin to be fixedly connected with the two-way transmission shaft in the circumferential direction so as to facilitate the rotation of the two-way gear shaft along with the driving transmission sleeve, the reversing joint comprises a left reversing joint and a right reversing joint, and the left reversing joint and the right reversing joint are respectively provided, a semi-annular groove is arranged in a semicircular groove of the left reversing joint or the right reversing joint, the left reversing joint and the right reversing joint oppositely wrap the bidirectional transmission shaft, the semi-annular grooves of the left reversing joint and the right reversing joint are opposite to an annular steel ball groove on the bidirectional transmission shaft and are filled with steel balls, the left reversing joint and the right reversing joint are connected with the bidirectional transmission shaft through bolt locking so as to be beneficial to the movement of the bidirectional transmission shaft along with the reversing joint, simultaneously, the bidirectional transmission shaft can rotate through an annular groove formed by the steel balls, the left reversing joint and the right reversing joint and an annular steel ball groove on the bidirectional transmission shaft, an electric push rod is arranged on one side of the left reversing joint, the electric push rod is parallel to the bidirectional transmission shaft, the electric push rod is connected with a power supply, a threaded hole is arranged at the front end of the electric push rod, the bolt penetrates through the electric push rod, one, after the electric push rod is started, the electric push rod extends out and retracts to drive the reversing joint to move forward and backward, the support sleeve is connected with the driving gear fixing plate through a bearing and a bearing seat, the bidirectional transmission shaft penetrates through the support sleeve and is in sliding connection with the support sleeve so as to provide support for the bidirectional transmission shaft through the support sleeve, meanwhile, the bidirectional transmission shaft can rotate, a driven mechanism I is arranged in front of the bidirectional transmission shaft, a driven mechanism II is arranged behind the bidirectional transmission shaft, the driven mechanism I comprises a driven gear fixing plate, a driven transmission sleeve, a third gear, a fourth gear, a fixed shaft, a fixed chain wheel and a fixed chain, a fixed cross beam is arranged at the lower end of the power roller mechanism I at intervals on the fixed support, two ends of the fixed cross beam are respectively and fixedly connected with the fixed support, a driven gear fixing plate is arranged on the fixed cross beam, a driven transmission sleeve, a third gear, a fourth gear and a fixed shaft are arranged above the driven gear fixed plate, the central line of the driven transmission sleeve and the central line of the driving transmission sleeve are on the same horizontal line, an opening positioning pin groove matched with the front positioning pin is arranged at one end of the driven transmission sleeve connected with the bidirectional transmission shaft, the bidirectional transmission shaft moves forwards axially under the pushing of the electric push rod, the bidirectional transmission shaft is embedded in the driven transmission sleeve, the front positioning pin is matched with the opening positioning pin groove to fixedly connect the bidirectional transmission shaft and the driven transmission sleeve circumferentially, so that the driven transmission sleeve can rotate along with the bidirectional transmission shaft, the driven transmission sleeve is connected with the driven gear fixed plate through a bearing and a bearing seat, the transmission sleeve is provided with the third gear, the third gear is meshed with the fourth gear, the fourth gear is fixedly connected with one end of the fixed shaft, and the other end of the fixed shaft is provided, the fixed shaft is connected with the driven gear fixing plate through a bearing and a bearing seat, the fixed chain wheel is fixedly connected with the fixed shaft, the fixed chain wheel is connected with a chain wheel of a drum shaft on the power drum mechanism I through a fixed chain so as to be beneficial to driving a third gear to rotate through a driven transmission sleeve, the third gear is meshed with a fourth gear to drive the fourth gear to rotate, the fourth gear drives the fixed chain wheel to rotate through the fixed shaft, the fixed chain wheel is connected with a chain wheel of the drum shaft on one or two power drum mechanisms I of the fixed equipment I through the chain, synchronous rotation is realized between adjacent drums on the fixed equipment I through the chain wheel and the chain, therefore, power is transmitted to the fixed equipment I from the mold changing trolley, only one motor is needed for driving the drums on the mold changing trolley and the fixed equipment I, and production cost and electric energy are greatly reduced.

The driven mechanism II comprises a reverse gear fixing plate, a reverse transmission sleeve, a fifth gear, a sixth gear, an installation shaft, an installation chain wheel and an installation chain, the installation support is arranged at the lower end of the power roller mechanism II at intervals and provided with installation beams, two ends of each installation beam are respectively fixedly connected with the installation support, the installation beams are provided with the reverse gear fixing plate, the lower end of the reverse gear fixing plate is fixedly connected with the installation beams, the reverse transmission sleeve, the fifth gear, the sixth gear and the installation shaft are arranged above the reverse gear fixing plate, the central line of the reverse transmission sleeve and the central line of the driving transmission sleeve are on the same horizontal line, one end of the reverse transmission sleeve, which is connected with the two-way transmission shaft, is provided with an opening pin slot matched with the rear positioning pin, the two-way transmission shaft axially moves backwards under the action of the electric push, the rear positioning pin is matched with the split pin groove to fixedly connect the bidirectional transmission shaft with the reverse transmission sleeve in the circumferential direction, so that the reverse transmission sleeve can rotate along with the bidirectional transmission shaft, the reverse transmission sleeve is connected with the reverse gear fixing plate through a bearing and a bearing seat, a fifth gear is arranged on the reverse transmission sleeve and meshed with the sixth gear, the sixth gear is fixedly connected with one end of the installation shaft, an installation chain wheel is arranged at the other end of the installation shaft, the installation shaft is connected with the reverse gear fixing plate through the bearing and the bearing seat, the installation chain wheel is fixedly connected with the installation shaft, the installation chain wheel is connected with a chain wheel of a roller shaft on the power roller mechanism II through an installation chain, so that the reverse transmission sleeve can drive the fifth gear to rotate, the fifth gear is meshed with the sixth gear to drive the sixth gear to rotate, and the installation chain wheel is driven by the sixth, the installation sprocket passes through the chain one or two power roller chain wheel on the mechanism II to be linked, realizes synchronous revolution through sprocket, chain between the adjacent cylinder on the fixed equipment II, from this, transmits power for fixed equipment II from retooling platform truck, retooling platform truck and fixed equipment II go up the drive of cylinder only need a motor can, greatly reduced manufacturing cost and electric energy.

The fixing equipment I is an injection molding machine or a mold warehouse or a preheating station, and the fixing equipment II is an injection molding machine or a mold warehouse or a preheating station, so that power can be transmitted to the injection molding machine or the mold warehouse or the preheating station through the power transmission mechanism, the injection molding machine or the mold warehouse or the preheating station does not need to be provided with motors independently, the number of the motors is greatly reduced, the cost is reduced, and electric energy is saved.

By adopting the structure, the invention has the advantages of less usage amount of the motor, low cost, less energy consumption, convenient and well-controlled synchronous driving, small difficulty in site construction and the like.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

FIG. 2 is a schematic structural view of a mold-exchanging roller mechanism and a power roller mechanism with portions removed in embodiment 1 of the present invention.

Fig. 3 is a schematic structural view of a power transmission mechanism in embodiment 1 of the invention.

Fig. 4 is a schematic view of the power transmission mechanism of embodiment 1 of the present invention with a sprocket removed.

Fig. 5 is a partial cross-sectional view of fig. 4 of the present invention.

Fig. 6 is a schematic structural view of a mold changing carriage in embodiment 1 of the present invention.

Fig. 7 is a schematic structural view of a fixing apparatus in embodiment 1 of the present invention.

Fig. 8 is a schematic structural view of embodiment 2 of the present invention.

Fig. 9 is a schematic configuration diagram of a power transmission mechanism of embodiment 2 of the invention.

Fig. 10 is a schematic view of the power transmission mechanism of embodiment 2 of the present invention with the chain removed.

Fig. 11 is a partial cross-sectional view of fig. 10 of the present invention.

Fig. 12 is a schematic structural view of the drive transmission mechanism and the driven mechanism separated in embodiment 2 of the present invention.

Fig. 13 is a schematic structural view of a mold changing carriage in embodiment 2 of the present invention.

Fig. 14 is a schematic structural view of embodiment 3 of the present invention.

Fig. 15 is a schematic view of a power transmission structure between the mold changing carriage and the fixing device i in embodiment 3 of the present invention.

FIG. 16 is a schematic view of the present invention shown in FIG. 15 with the mold change body and the mounting bracket removed.

FIG. 17 is a schematic view of the invention shown in FIG. 16 with the chain removed.

Fig. 18 is a partial cross-sectional view of fig. 17 of the present invention.

Fig. 19 is a schematic view of a power transmission structure between the mold changing carriage and the fixing device ii in embodiment 3 of the present invention.

FIG. 20 is a schematic view of the present invention shown in FIG. 19 with the mold change body and the mounting bracket removed.

FIG. 21 is a schematic view of the invention shown in FIG. 20 with the chain removed.

Fig. 22 is a partial cross-sectional view of fig. 21 of the present invention.

Fig. 23 is a schematic structural view of embodiment 4 of the present invention.

Fig. 24 is a left side view of fig. 23 of the present invention.

Fig. 25 is a cross-sectional view a-a of fig. 24 in accordance with the present invention.

FIG. 26 is a schematic view of the invention shown in FIG. 23 with the mold change body and the mounting bracket removed.

Fig. 27 is a front cross-sectional view of the invention of fig. 26.

Detailed Description

The invention is described below with reference to the accompanying drawings and examples.

Example 1

The utility model provides a retooling system with sharing drive arrangement, includes retooling platform truck 1 and fixed equipment 2, retooling platform truck 1 includes the retooling automobile body, be equipped with retooling cylinder mechanism 3 on the retooling automobile body, fixed equipment 2 includes the fixed bolster, be equipped with power cylinder mechanism 4 on the fixed bolster, its characterized in that: the die change trolley is provided with a power transmission mechanism 5, the power transmission mechanism 5 comprises a driving transmission mechanism 6 and a driven mechanism 7, the driving transmission mechanism 6 is arranged on the die change trolley 1, the driven mechanism 7 is arranged on the fixing equipment 2, the driven mechanism 7 is connected with synchronous driving through the driving transmission mechanism 6, the driving transmission mechanism 6 comprises a power driving part 8 and a power transmission part 9, the power driving part 8 comprises a driving gear fixing plate 10, a driving motor 11, a motor gear 12, a transmission gear 13, a driving transmission sleeve 14, a first gear 15, a second gear 16, a connecting shaft 17, a driving chain wheel 18 and a driving chain 19, the power transmission part 9 is arranged on one side of the driving motor 11, the power transmission part 9 comprises an electric push rod 20, a steel ball 38, a screw 39, a gear transmission shaft 21, a limit pin 22 and a locating pin 23, a supporting cross beam 24 is arranged at the lower end of the die change trolley body at the lower end of the die, the mold changing machine is characterized in that two ends of a supporting beam 24 are respectively and fixedly connected with a mold changing vehicle body, a driving gear fixing plate 10 is arranged on the supporting beam 24, the lower end of the driving gear fixing plate 10 is fixedly connected with the supporting beam 24, a driving motor 11 and an electric push rod 20 are arranged at the upper end of the supporting beam in parallel, the driving motor 11 is connected with a power supply, the driving motor 11 is fixedly connected with the driving gear fixing plate 10 through a motor bracket 25, an output shaft of the driving motor 11 is fixedly connected with a motor gear 12, the motor gear 12 is meshed with a transmission gear 13, the transmission gear 13 is fixedly connected with a driving transmission sleeve 14, the driving transmission sleeve 14 is connected with the driving gear fixing plate 10 through a bearing and a bearing seat 26, a first gear 15 is arranged in front of the transmission gear 13 of the driving transmission sleeve 14, the electric push rod 20, the first gear 15 is meshed with the second gear 16, the second gear 16 is fixedly connected with one end of a connecting shaft 17, the connecting shaft 17 is connected with the driving gear fixing plate 10 through a bearing and a bearing seat, the other end of the connecting shaft 17 is provided with a driving chain wheel 18, the driving chain wheel 18 is fixedly connected with the connecting shaft 17, the driving chain wheel 18 is connected with a chain wheel of a roller shaft on the die changing roller mechanism 3 through a driving chain 19 so as to drive the motor gear to rotate through a driving motor, the motor gear transmits power to a transmission gear through meshing with the transmission gear, the rotation of the transmission gear drives a driving transmission sleeve to rotate, the driving transmission sleeve drives a first gear on the driving transmission sleeve to rotate, the first gear transmits power to a second gear through meshing, the second gear drives the connecting shaft to rotate, the connecting shaft drives the driving chain wheel to rotate, and the driving chain wheel is connected with a chain wheel on one or two roller shafts on the die changing roller mechanism, the electric push rod 20 is connected with a power supply, the electric push rod 20 is fixedly connected with the driving gear fixing plate 10 through an electric push rod bracket 27, a transmission shaft inserting hole is formed in the front end of the push rod of the electric push rod 20, an annular upper steel ball groove is formed in the transmission shaft inserting hole, the push rod is positioned in the transmission shaft inserting hole, a steel ball hole communicated with the upper steel ball groove is formed in the outer wall of the push rod, an annular lower steel ball groove is formed in the rear end of the gear transmission shaft, the gear transmission shaft is inserted into the transmission shaft inserting hole of the electric push rod, a steel ball 38 enters the space between the upper steel ball groove and the lower steel ball groove through the steel ball hole and is locked through a screw 39 to connect the gear transmission shaft 21 with the electric push rod 20, so that the gear transmission shaft is driven to axially move in the driving transmission sleeve through the electric, the front of the gear transmission shaft 21 is provided with a driven mechanism 7, the front end of the gear transmission shaft 21 is radially and uniformly distributed with positioning pins 23, the middle surface of the gear transmission shaft 21 is radially and uniformly distributed with limit pins 22, the outer wall of the driving transmission sleeve 14 is provided with limit pin grooves 28 matched with the limit pins 22, the lower ends of the limit pins 22 are fixedly connected with the gear transmission shaft 21, the upper ends of the limit pins penetrate through the limit pin grooves 28, the gear transmission shaft 21 and the driving transmission sleeve 14 are circumferentially fixed through the limit of the limit pin grooves 28, so that the gear transmission shaft can rotate along with the driving transmission sleeve, meanwhile, the gear transmission shaft can axially move in the driving transmission sleeve by the limit pin grooves, the driven mechanism 7 comprises a driven gear fixing plate 29, a driven transmission sleeve 30, a third gear 31, a fourth gear 32, a fixing shaft 33, a fixing chain wheel 34 and a fixing chain 35, the fixing support is positioned at the, the two ends of the fixed cross beam 36 are respectively fixedly connected with the fixed support, the fixed cross beam 36 is provided with a driven gear fixing plate 29, the lower end of the driven gear fixing plate 29 is fixedly connected with the fixed cross beam 36, a driven transmission sleeve 30, a third gear 31, a fourth gear 32 and a fixed shaft 33 are arranged above the driven gear fixing plate 29, the central line of the driven transmission sleeve 30 and the central line of the driving transmission sleeve 14 are on the same horizontal line, one end of the driven transmission sleeve 30, which is connected with the gear transmission shaft 21, is provided with an opening positioning pin slot 37 matched with the positioning pin 23, the gear transmission shaft 21 moves forwards in the axial direction under the pushing of the electric push rod 20, the gear transmission shaft 21 is embedded into the driven transmission sleeve 30, the positioning pin 23 is limited by the opening positioning pin slot 37 to circumferentially fix the gear transmission shaft 21 and the driven transmission sleeve 30 so as to be beneficial for, the driven transmission sleeve 30 is connected with the driven gear fixing plate 29 through a bearing and a bearing seat, the transmission sleeve 30 is provided with a third gear 31, the third gear 31 is meshed with a fourth gear 32, the fourth gear 32 is fixedly connected with one end of a fixed shaft 33, the other end of the fixed shaft 33 is provided with a fixed chain wheel 34, the fixed shaft 33 is connected with the driven gear fixing plate 29 through the bearing and the bearing seat, the fixed chain wheel 34 is fixedly connected with the fixed shaft 33, the fixed chain wheel 34 is linked with a chain wheel of a roller on the power roller mechanism through a fixed chain 35 so as to be beneficial for the driven transmission sleeve to drive the third gear to rotate, the third gear is meshed with the fourth gear to drive the fourth gear to rotate, the fourth gear drives the fixed chain wheel to rotate through the fixed shaft, and the fixed chain wheel is linked with chain wheels on one or two roller shafts of the power roller mechanism on, synchronous rotation is realized between adjacent rollers on the fixing equipment through a chain wheel and a chain, so that power is transmitted to the fixing equipment from the die changing trolley, the driving of the rollers on the die changing trolley and the fixing equipment only needs one motor, and the production cost and the electric energy are greatly reduced.

The fixing device 2 is an injection molding machine or a mold warehouse or a preheating station, so that power can be transmitted to the injection molding machine or the mold warehouse or the preheating station through the power transmission mechanism, and the injection molding machine or the mold warehouse or the preheating station does not need to be provided with motors independently, so that the number of the motors is greatly reduced, the cost is reduced, and the electric energy is saved.

Referring to fig. 1 to 7, the mold changing trolley of the present invention can adopt a mold changing trolley in the background art or the prior art, the lower end of the mold changing trolley body is provided with universal wheels for convenient movement, the upper end of the mold changing trolley body is provided with a mold changing frame, a plurality of rollers are arranged on the mold changing frame in parallel at intervals, two ends of each roller are fixedly connected with the mold changing frame through bearings, the lower end of each roller is provided with a supporting beam, the supporting beam is parallel to the roller, two ends of the supporting beam are fixedly connected with the mold changing trolley body, the supporting beam is provided with a driving transmission mechanism in a row, the fixing device is an injection molding machine or a mold warehouse or a preheating station in the prior art, the fixing device comprises a fixing bracket, the fixing bracket is provided with a roller mounting bracket, the roller mounting bracket is provided with a plurality of rollers in parallel at intervals, the fixing bracket below the rollers is provided with, the driving gear fixing plate of the driving transmission mechanism and the driven gear fixing plate of the driven mechanism are located at the same height, the central lines of the driving transmission sleeve and the driven transmission sleeve are located on the same horizontal line, during installation, the driving gear fixing plate is installed on a supporting cross beam of the die changing car body, the motor and the electric push rod are arranged on the driving gear fixing plate in parallel, the driving transmission sleeve is arranged in front of the electric push rod, bearings are arranged on the driving transmission sleeve at intervals, the driving transmission sleeve is fixedly connected with an inner ring of the bearing, an outer ring of the bearing is fixedly connected with a bearing seat, the lower end of the bearing seat is fixedly connected with the driving gear fixing plate, a gear transmission shaft is arranged in the driving transmission sleeve and is connected with; when the die change trolley is in butt joint with a fixing device, an electric push rod is started, the electric push rod pushes a gear transmission shaft to move forwards and axially, a limiting pin on the gear transmission shaft is matched with a limiting pin groove on a driving transmission sleeve to circumferentially fix the gear transmission shaft and the driving transmission sleeve, a positioning pin on the gear transmission shaft is matched with an opening positioning pin groove on a driven transmission sleeve to circumferentially fix the gear transmission shaft and the driven transmission sleeve, therefore, the gear transmission shaft can rotate along with the driving transmission sleeve, the driven transmission sleeve rotates along with the gear transmission shaft, at the moment, a motor is started, the motor drives a motor gear to rotate, the motor gear transmits power to a first gear through meshing with a first gear, the first gear is meshed with a second gear to transmit power to a second gear, the second gear coaxially drives a driving chain wheel to rotate, and the driving chain wheel is connected with one or two rotary drums on a die, then the synchronous rotation between the adjacent rollers is realized through a chain wheel and a chain, so as to drive the rollers on the die changing trolley body to rotate, on the other hand, a first gear is fixedly connected with a driving transmission sleeve through a flat key, so as to drive the driving transmission sleeve to rotate, the driving transmission sleeve transmits power to a gear transmission shaft, the gear transmission shaft drives a driven transmission sleeve to rotate, the driven transmission sleeve drives a third gear on the driven transmission sleeve to rotate, the third gear drives a fourth gear to rotate through being meshed with a fourth gear, the fourth gear coaxially drives a fixed chain wheel to rotate, the fixed chain wheel is connected with the chain wheel of one or two rollers on a fixed support through the chain, then the synchronous rotation between the adjacent rollers is realized through the chain wheel and the chain, so as to drive the rollers on the fixed support to rotate, therefore, the synchronous driving of the die changing trolley and the rollers on the fixed equipment can be realized through, further, one mold changing trolley can be connected with a plurality of different fixing devices respectively, motors do not need to be installed on the fixing devices, for example, the power of the mold changing trolley is transmitted to a mold warehouse, a mold is taken out from the mold warehouse and is conveyed to a preheating station, the power of the mold changing trolley is transmitted to the preheating station, the mold is conveyed into the preheating station for preheating, the preheating station is preheated, the power of the mold changing trolley is transmitted to the preheating station, the mold is taken out from the preheating station, the mold changing trolley is conveyed to an injection molding machine, the power of the mold changing trolley is transmitted to the injection molding machine, the mold inside the injection molding machine is taken out, the mold which is preheated is replaced, the injection molding production is carried out, in the process, if a factory has 1 double-station mold changing trolley (2 motors are needed in the double stations), 4 preheating stations (1 motor is needed in each preheating station, 4 motors are needed in total), 10 injection molding machines (1 motor is needed in each injection, the total number of the motors is 10), 100 die warehouse positions (each warehouse position needs one motor, and the total number needs 100 motors), and the total number needs 116 motors, however, if the design of the invention is adopted, the power is respectively transmitted to the die warehouse or the preheating station or the injection molding machine from the die changing trolley, the motors in the die warehouse, the preheating station and the injection molding machine can be cancelled, only 2 motors on the die changing trolley are used for realizing the purpose, and 114 motors are reduced, therefore, the invention greatly reduces the usage amount of the motors, can furthest reduce the manufacturing cost, saves the electric energy, and simultaneously, one motor is driven, thereby reducing the operation control difficulty and the site construction difficulty.

Example 2

The utility model provides a retooling system with sharing drive arrangement, includes retooling platform truck 1 and fixed equipment 2, retooling platform truck 1 includes the retooling automobile body, be equipped with retooling cylinder mechanism 3 on the retooling automobile body, fixed equipment 2 includes the fixed bolster, be equipped with power cylinder mechanism 4 on the fixed bolster, its characterized in that: is provided with a power transmission mechanism 5, the power transmission mechanism 5 comprises a driving transmission mechanism 6 and a driven mechanism 7, the driving transmission mechanism 6 is arranged on a die change trolley 1, the driven mechanism 7 is arranged on a fixing device 2, the driven mechanism 7 is connected with a synchronous drive through the driving transmission mechanism 6, the driving transmission mechanism 6 comprises a power driving part 8 and a power transmission part 9, the power driving part 8 comprises a driving gear fixing plate 10, a driving motor 11, a motor gear 12, a transmission gear 13, a driving transmission shaft 201, a first gear 15, a second gear 16, a connecting shaft 17, a driving chain wheel 18 and a driving chain 19, the power transmission part 9 is arranged on one side of the driving motor 11, the power transmission part 9 comprises an electric push rod 20, a shifting fork 202, a belt shaft bearing 203, a driving transmission sleeve 204 and a first cylindrical pin 205, the die change trolley body is arranged at the lower end of the die change roller mechanism 3 and is provided with a supporting beam 24 at intervals, the mold changing device is characterized in that two ends of a supporting beam 24 are respectively fixedly connected with a mold changing vehicle body, a driving gear fixing plate 10 is arranged on the supporting beam 24, the lower end of the driving gear fixing plate 10 is fixedly connected with the supporting beam 24, the upper end of the driving gear fixing plate is provided with a driving motor 11 and an electric push rod 20 in parallel, the driving motor 11 is connected with a power supply, the driving motor 11 is fixedly connected with the driving gear fixing plate 10 through a motor bracket 25, an output shaft of the driving motor 11 is fixedly connected with a motor gear 12, the motor gear 12 is meshed with a transmission gear 13, the transmission gear 13 is fixedly connected with the rear end of a driving transmission shaft 201, first cylindrical pins 205 are radially and uniformly distributed on the surface of the front end of the driving transmission shaft 201, a driving transmission sleeve 204 is sleeved on the front end of the driving transmission shaft 201, a, the driving transmission shaft 201 is connected with the driving gear fixing plate 10 through a bearing and a bearing seat 26, the first gear 15 is fixedly connected with the driving transmission shaft 201, the first gear 15 is meshed with the second gear 16, the second gear 16 is fixedly connected with one end of a connecting shaft 17, the connecting shaft 17 is connected with the driving gear fixing plate 10 through a bearing and a bearing seat, a driving chain wheel 18 is arranged at the other end of the connecting shaft 17, the driving chain wheel 18 is fixedly connected with the connecting shaft 17, the driving chain wheel 18 is connected with a chain wheel of a roller shaft on the die-changing roller mechanism 3 through a driving chain 19 so as to be beneficial to driving the motor gear to rotate through the driving motor, the motor gear transmits power to the transmission gear through being meshed with the transmission gear, the transmission gear drives the driving transmission shaft to rotate, the driving transmission shaft drives the first gear thereon to rotate, and the first gear transmits power to the second gear, the second gear drives the connecting shaft to rotate, the connecting shaft drives the driving chain wheel to rotate, the driving chain wheel is connected with chain wheels on one or two roller shafts in the die change roller mechanism through a driving chain so as to drive the rollers to rotate, the adjacent die change rollers realize synchronous rotation through the chain wheels and the chains, cylindrical pin grooves 206 are uniformly distributed on the inner wall of the driving transmission sleeve 204 in the radial direction, the driving transmission sleeve 204 is sleeved on the driving transmission shaft 201 and is circumferentially and fixedly connected with the cylindrical pin grooves 206 through a first cylindrical pin 205 so as to be beneficial to axial movement of the driving transmission sleeve on the driving transmission shaft and rotation along with the driving transmission shaft, an annular groove 207 is arranged on the surface of the rear end of the driving transmission sleeve 204, the electric push rod 20 is connected with a power supply, the electric push rod 20 is fixedly connected with the driving gear fixing plate 10 through an electric push rod bracket 27, and the front end, the inner wall of the shifting fork 202 is uniformly provided with a belt shaft bearing 203, one end of a belt shaft on the belt shaft bearing 203 is fixedly connected with the shifting fork, one end of the bearing on the belt shaft bearing 203 is embedded into an annular groove 207 of the driving transmission sleeve 204 to be slidably connected with the driving transmission sleeve 204, so that the shifting fork is pushed through an electric push rod, the shifting fork drives the driving transmission sleeve to axially move along the driving transmission shaft, a driven mechanism 7 is arranged in front of the driving transmission sleeve 204, the driven mechanism 7 comprises a driven gear fixing plate 29, a driven transmission shaft 208, a third gear 31, a fourth gear 32, a fixing shaft 33, a fixed chain wheel 34 and a fixed chain 35, the fixing support is arranged at the lower end of the power roller mechanism 4 and is provided with a fixed cross beam 36 at intervals, two ends of the fixed cross beam 36 are respectively fixedly connected with the fixing support, the driven gear fixing plate 29 is arranged on the fixed cross beam 36, the lower, a driven transmission shaft 208, a third gear 31, a fourth gear 32 and a fixed shaft 33 are arranged above the driven gear fixing plate 29, the central line of the driven transmission shaft 208 and the central line of the driving transmission shaft 201 are on the same horizontal line, second cylindrical pins 209 are radially and uniformly arranged on the surface of one end, butted with the driving transmission sleeve 204, of the driven transmission shaft 208, the driving transmission sleeve 204 is forwards sleeved on the driven transmission shaft 208 and is connected with the driven transmission shaft through the second cylindrical pins 209 and the cylindrical pin grooves 206, so that the driving transmission sleeve can axially move under the action of an electric push rod and is sleeved on the driven transmission shaft, the second cylindrical pins enter the cylindrical pin grooves, when the driving transmission sleeve rotates, the driven transmission shaft can rotate along with the driving transmission sleeve due to the matching of the second cylindrical pins and the cylindrical pin grooves, the driven transmission shaft 208 is connected with the driven gear fixing plate 29 through a bearing and a bearing seat, the driven transmission shaft 208 is provided with the, the third gear 31 is meshed with the fourth gear 32, the fourth gear 32 is fixedly connected with one end of a fixed shaft 33, the other end of the fixed shaft 33 is provided with a fixed chain wheel 34, the fixed shaft 33 is connected with the driven gear fixing plate 29 through a bearing and a bearing seat, the fixed chain wheel 34 is fixedly connected with the fixed shaft 33, the fixed chain wheel 34 is connected with a chain wheel of a roller on the power roller mechanism 5 through a fixed chain 35 so as to be beneficial to driving the third gear to rotate by a driven transmission shaft, the third gear is meshed with the fourth gear to drive the fourth gear to rotate, the fourth gear drives the fixed chain wheel to rotate through the fixed shaft, the fixed chain wheel is connected with chain wheels on one or two roller shafts of the power roller mechanism on the fixed equipment through a chain, the adjacent rollers on the fixed equipment realize synchronous rotation through the chain wheels and the chain, and therefore, power is transmitted to the fixed equipment from, the driving of the roller on the die changing trolley and the fixing equipment only needs one motor, so that the production cost and the electric energy are greatly reduced.

According to the invention, the bearing seat 26 at the lower end of the driving transmission shaft 201 is provided with the push rod through hole, the electric push rod 20 penetrates through the bearing seat 26 and is connected with the bearing seat 26 through the oilless bushing 210, so that the support force for the push rod is provided through the bearing seat, and meanwhile, the friction force between the electric push rod and the bearing seat is reduced through the oilless bushing.

Referring to fig. 8 to 13, when the mold changing trolley is butted with a fixing device, an electric push rod is started, the electric push rod pushes a shifting fork, the shifting fork pushes a driving transmission sleeve, the driving transmission sleeve axially moves forwards on the driving transmission shaft and is butted with a driven transmission shaft, because the mold changing trolley body is fixed with the fixing device, a driving gear fixing plate and a driven gear fixing plate are fixed, the driving transmission shaft, the driving transmission sleeve and the driven transmission shaft are fixed, the driving transmission sleeve and the driven transmission shaft can be circumferentially fixed by matching a second cylindrical pin and a cylindrical pin groove, after the butting is completed, a motor is started, the motor drives a motor gear to rotate, the motor gear transmits power to a first gear by meshing with a first gear, the first gear transmits power to a second gear by meshing with the second gear on one hand, the second gear coaxially drives a driving chain wheel to rotate, the driving chain wheel is connected with the chain wheel of one or two rollers on the die change vehicle body through a chain, then synchronous rotation is realized through the chain wheel and the chain between adjacent rollers, thereby driving the rotation of the rollers on the die change vehicle body, on the other hand, the first gear is fixedly connected with the driving transmission shaft, thereby driving the rotation of the driving transmission shaft, the driving transmission shaft is circumferentially fixed with the driving transmission sleeve through the matching of a cylindrical pin groove on the first cylindrical pin and the driving transmission sleeve, so as to transmit power to the driving transmission sleeve, the driving transmission sleeve is butted with the driven transmission shaft, so as to transmit the power to the driven transmission shaft, the driven transmission shaft drives the third gear on the driving transmission shaft to rotate, the third gear drives the fourth gear to rotate through meshing with the fourth gear, the fourth gear coaxially drives the fixed chain wheel to rotate, the fixed chain wheel is connected with the chain wheel of one or two, Synchronous rotation is realized to the chain to it is rotatory to drive the last cylinder of fixed bolster, the synchronous drive of cylinder on retooling platform truck and the fixed equipment can be realized to a motor from this, realize the removal or the change of mould, furthermore, a retooling platform truck can connect the fixed equipment of a plurality of differences respectively, and the last motor that does not need to install of fixed equipment, greatly reduced motor usage, but maximum reduction manufacturing cost, the electric energy is practiced thrift, a motor drive synchronous drive simultaneously, greatly reduced the operation control degree of difficulty and the site operation degree of difficulty.

Example 3

The utility model provides a retooling system with sharing drive arrangement, includes retooling platform truck 1, I310 of fixed equipment and II 311 of fixed equipment, retooling platform truck 1 includes the retooling automobile body, be equipped with retooling cylinder mechanism 3 on the retooling automobile body, I310 of fixed equipment includes the fixed bolster, be equipped with I312 of power roller mechanism on the fixed bolster, II 311 of fixed equipment includes the installing support, be equipped with II 313 of power roller mechanism on the installing support, its characterized in that: be equipped with power transmission device 5, power transmission device 5 includes drive transfer mechanism 6, follower I314 and follower II 315, drive transfer mechanism 6 is established on retooling platform truck 1, follower I314 is established on fixed equipment I310, follower II 315 sets up on fixed equipment II 311, follower I314 and follower II 315 connect synchronous drive through drive transfer mechanism 6 respectively, drive transfer mechanism 6 includes power drive part 8 and two-way power transmission part 300, power drive part 8 includes driving gear fixed plate 10, driving motor 11, motor gear 12, transmission gear 13, driving transmission cover 14, first gear 15, second gear 16, connecting axle 17, driving sprocket 18 and drive chain 19, driving motor 11 one side is equipped with two-way power transmission part 300, two-way power transmission part 300 includes electric putter 20, the mold changing trolley comprises a bidirectional transmission shaft 301, a reversing joint 302, a support sleeve 303, a front positioning pin 304, a rear positioning pin 305, a limiting pin 22, a steel ball 308 and a bolt 309, wherein the mold changing trolley body is arranged at the lower end of a mold changing roller mechanism 3 at intervals and is provided with a support cross beam 24, two ends of the support cross beam 24 are respectively fixedly connected with the mold changing trolley body, a driving gear fixing plate 10 is arranged on the support cross beam 24, the lower end of the driving gear fixing plate 10 is fixedly connected with the support cross beam 24, the upper end of the driving gear fixing plate is provided with a driving motor 11, the bidirectional transmission shaft 301 and an electric push rod 20 in parallel, the driving motor 11 is connected with a power supply, the driving motor 11 is fixedly connected with the driving gear fixing plate 10 through a motor bracket 25, an output shaft of the driving motor 11 is fixedly connected with a motor gear 12, the motor gear, The bearing seat 26 is connected with the driving gear fixing plate 10, the driving transmission sleeve 14 is provided with a first gear 15 in front of the transmission gear 13, the first gear 15 is fixedly connected with the driving transmission sleeve 14, the first gear 15 is meshed with a second gear 16, the second gear 16 is fixedly connected with one end of a connecting shaft 17, the connecting shaft 17 is connected with the driving gear fixing plate 10 through a bearing and a bearing seat, the other end of the connecting shaft 17 is provided with a driving chain wheel 18, the driving chain wheel 18 is fixedly connected with the connecting shaft 17, the driving chain wheel 18 is connected with a chain wheel of a roller on the die changing roller mechanism 3 through a driving chain 19 so as to drive the motor gear to rotate through a driving motor, the motor gear transmits power to the transmission gear through meshing with the transmission gear, the rotation of the transmission gear drives the driving transmission sleeve to rotate, and the driving transmission sleeve drives the first gear on the driving sleeve, the first gear transmits power to the second gear through meshing, the second gear drives the connecting shaft to rotate, the connecting shaft drives the driving chain wheel to rotate, the driving chain wheel drives the chain wheel on the roller shaft in the roller mechanism on the die changing trolley to rotate through the driving chain, so as to drive the rollers to rotate, the adjacent die changing rollers synchronously rotate through the chain wheel and the chain, a driving transmission sleeve 14, a reversing joint 302 and a supporting sleeve 303 are sleeved on the bidirectional transmission shaft 301 at intervals from front to back, front positioning pins 304 are uniformly distributed at the front end of the bidirectional transmission shaft 301 in the radial direction, limiting pins 22 are uniformly distributed in the bidirectional transmission shaft 301 in the driving transmission sleeve 14, an annular steel ball groove is formed in the reversing joint 302 of the bidirectional transmission shaft 301, rear positioning pins 305 are uniformly distributed in the radial direction at the rear end of the bidirectional transmission shaft 301 penetrating through the supporting sleeve 303, and a limiting pin groove 28 matched with the limiting pins 22 is formed in the driving transmission, the driving transmission sleeve 14 penetrates through a limiting pin groove 28 through a limiting pin 22 to be fixedly connected with the bidirectional transmission shaft 301 in the circumferential direction so as to facilitate the bidirectional gear shaft to rotate along with the driving transmission sleeve, the reversing joint 302 comprises a left reversing joint 306 and a right reversing joint 307, semicircular grooves are respectively arranged in the left reversing joint 306 and the right reversing joint 307, a semi-annular groove is arranged in the semicircular groove of the left reversing joint 306 or the right reversing joint 307, the left reversing joint 306 and the right reversing joint 307 oppositely wrap the bidirectional transmission shaft 301, the semi-annular grooves of the left reversing joint 306 and the right reversing joint 307 are opposite to an annular steel ball groove on the bidirectional transmission shaft 301 and are filled with steel balls 308, the left reversing joint 306 and the right reversing joint 307 are locked by bolts to be connected with the bidirectional transmission shaft 301 so as to facilitate the bidirectional transmission shaft to move along with the reversing joint, and simultaneously pass through the steel balls, the annular groove formed by the left reversing joint and the right reversing joint, the bidirectional transmission shaft is rotatable, one side of the left reversing joint 306 is provided with an electric push rod 20, the electric push rod 20 is parallel to the bidirectional transmission shaft 301, the electric push rod 20 is connected with a power supply, the front end of the electric push rod 20 is provided with a threaded hole, the bolt 309 penetrates through the electric push rod, one end of the bolt 309 is fixedly connected with the electric push rod through a nut, the other end of the bolt is fixedly connected with the left reversing joint 306 through a nut, so that after the electric push rod is started, the electric push rod can extend out and retract to drive the reversing joint to advance and retreat, the support sleeve 303 is connected with the driving gear fixing plate 10 through a bearing and a bearing seat, the bidirectional transmission shaft 301 penetrates through the support sleeve 303 and is in sliding connection with the support sleeve 303 so as to provide support for the bidirectional transmission shaft through the support sleeve, meanwhile, the bidirectional transmission shaft is rotatable, the driven mechanism I314 comprises a driven gear fixing plate 29, a driven transmission sleeve 30, a third gear 31, a fourth gear 32, a fixing shaft 33, a fixing chain wheel 34 and a fixing chain 35, the fixing support is positioned at the lower end of the power roller mechanism I312, fixing cross beams 36 are arranged at intervals, two ends of each fixing cross beam 36 are respectively fixedly connected with the fixing support, the driven gear fixing plate 29 is arranged on each fixing cross beam 36, the lower end of each driven gear fixing plate 29 is fixedly connected with the corresponding fixing cross beam 36, a driven transmission sleeve 30, the third gear 31, the fourth gear 32 and the fixing shaft 33 are arranged above each driven gear fixing plate 29, the central line of each driven transmission sleeve 30 and the central line of each driving transmission sleeve 14 are on the same horizontal line, an opening positioning pin groove 37 matched with the front positioning pin 304 is arranged at one end, connected with the two-way transmission sleeve 30, of which is pushed by the electric push rod 20, moves forwards axially, the bidirectional transmission shaft 301 is embedded into the driven transmission sleeve 30, the front positioning pin 304 is matched with the opening positioning pin slot 37 to fixedly connect the bidirectional transmission shaft 301 and the driven transmission sleeve 30 in the circumferential direction, so that the driven transmission sleeve can rotate along with the bidirectional transmission shaft, the driven transmission sleeve 30 is connected with the driven gear fixing plate 29 through a bearing and a bearing seat, the transmission sleeve 30 is provided with a third gear 31, the third gear 31 is meshed with a fourth gear 32, the fourth gear 32 is fixedly connected with one end of a fixing shaft 33, the other end of the fixing shaft 33 is provided with a fixed chain wheel 34, the fixing shaft 33 is connected with the driven gear fixing plate 29 through the bearing and the bearing seat, the fixed chain wheel 34 is fixedly connected with the fixing shaft 33, the fixed chain wheel 34 is connected with a chain wheel of a drum shaft on the power drum mechanism I312 through a fixed chain 35 so as to drive the third gear to, the third gear is meshed with the fourth gear to drive the fourth gear to rotate, the fourth gear drives a fixed chain wheel to rotate through a fixed shaft, the fixed chain wheel is connected with a chain wheel of a roller shaft on one or two power roller mechanisms I312 of the fixing equipment I through a chain, synchronous rotation is realized between adjacent rollers on the fixing equipment I through the chain wheel and the chain, therefore, power is transmitted to the fixing equipment I from the die changing trolley, the die changing trolley and the rollers on the fixing equipment I are driven only through a motor, the production cost and electric energy are greatly reduced, the driven mechanism II 315 comprises a reverse gear fixing plate 316, a reverse transmission sleeve 317, a fifth gear 318, a sixth gear 319, a mounting shaft 320, a mounting chain wheel 321 and a mounting chain 322, a mounting cross beam 323 is arranged at the lower end of the power roller mechanism II 313 at intervals on the mounting bracket, two ends of the mounting cross beam 323 are respectively and fixedly connected with the mounting bracket, a reverse gear fixing plate 316 is arranged on the mounting beam 323, the lower end of the reverse gear fixing plate 316 is fixedly connected with the mounting beam 323, a reverse transmission sleeve 317, a fifth gear 318, a sixth gear 319 and a mounting shaft 320 are arranged above the reverse gear fixing plate 316, the center line of the reverse transmission sleeve 317 and the center line of the driving transmission sleeve 14 are on the same horizontal line, an open pin slot 324 matched with the rear positioning pin 305 is arranged at one end of the reverse transmission sleeve 317 connected with the bidirectional transmission shaft 301, the bidirectional transmission shaft 301 axially moves backwards under the action of the electric push rod 20, the bidirectional transmission shaft 301 is embedded into the reverse transmission sleeve 317, the rear positioning pin 305 is matched with the open pin slot 324 to fixedly connect the bidirectional transmission shaft 301 and the reverse transmission sleeve 317 in the circumferential direction, so that the reverse transmission sleeve can rotate along with the bidirectional transmission shaft, and the reverse transmission sleeve 317 is connected with the reverse gear fixing plate 316 through a bearing, the reverse transmission sleeve 317 is provided with a fifth gear 318, the fifth gear 318 is meshed with a sixth gear 319, the sixth gear 319 is fixedly connected with one end of an installation shaft 320, the other end of the installation shaft 320 is provided with an installation chain wheel 321, the installation shaft 320 is connected with a reverse gear fixing plate 316 through a bearing and a bearing seat, the installation chain wheel 321 is fixedly connected with the installation shaft 320, the installation chain wheel 321 is connected with a chain wheel of a roller shaft on a power roller mechanism II 313 through an installation chain 322 so as to be beneficial to the reverse transmission sleeve to drive the fifth gear to rotate, the fifth gear is meshed with the sixth gear to drive the sixth gear to rotate, the sixth gear drives the installation chain wheel to rotate through the installation shaft, the installation chain wheel is connected with one or two roller chain wheels on the power roller mechanism II through chains, and the adjacent rollers on the fixing device II synchronously rotate through the chain wheels and the chains, the power is transmitted to the fixing equipment II from the die changing trolley, and the driving of the roller on the die changing trolley and the fixing equipment II only needs one motor, so that the production cost and the electric energy are greatly reduced.

The fixing equipment I310 is an injection molding machine, a mold warehouse or a preheating station, and the fixing equipment II 311 is an injection molding machine, a mold warehouse or a preheating station, so that power can be transmitted to the injection molding machine, the mold warehouse or the preheating station through a power transmission mechanism, motors do not need to be installed on the injection molding machine, the mold warehouse or the preheating station independently, the number of the motors is greatly reduced, the cost is reduced, and electric energy is saved.

Referring to fig. 14, a fixing device i and a fixing device ii are respectively arranged on the front side and the rear side of a mold changing trolley, the mold changing trolley of the present invention can adopt a background technology or a mold changing trolley in the prior art, the fixing device i or the fixing device ii is an injection molding machine or a mold warehouse or a preheating station in the prior art, the fixing device i and the fixing device ii can be the same device or different devices, because in the prior art, the mold changing trolley generally runs on a specific track, and the fixing devices are arranged on both sides of a mold changing sleeve trolley, the scheme of the present embodiment can enable the mold changing trolley to provide power for the devices on both sides, further improve the work efficiency of mold production, reduce the cost of mold production, and as shown in fig. 15 to fig. 18, for power transmission between the mold changing trolley and the fixing device i, when the mold changing trolley is butted with the fixing device i, start an electric push rod, an electric push rod extends out of the push rod, the push rod drives a reversing joint to move forwards through a bolt, the reversing joint drives a bidirectional gear shaft to move forwards, the bidirectional gear shaft enters a driven transmission sleeve of a driven mechanism I of a fixing device I, a front positioning pin at the front end of the bidirectional gear shaft is matched with an opening positioning pin groove in the driven transmission sleeve, so that the driven transmission sleeve can rotate along with the bidirectional gear shaft, then a power supply of the electric push rod is turned off, a motor drives a motor gear to rotate, the motor gear transmits power to a first gear through meshing with the first gear, the first gear transmits power to a second gear through meshing with the second gear on one hand, the second gear coaxially drives a driving chain wheel to rotate, the driving chain wheel is connected with chain wheels of one or two rollers on a mold changing vehicle body through a chain, then synchronous rotation is realized through the chain wheels and the chains between adjacent rollers, and accordingly the, on the other hand, the first gear is fixedly connected with the driving transmission sleeve to drive the driving transmission sleeve to rotate, the driving transmission sleeve transmits power to the bidirectional gear shaft, the bidirectional gear shaft drives the driven transmission sleeve to rotate, the driven transmission sleeve drives the third gear thereon to rotate, the third gear drives the fourth gear to rotate by being meshed with the fourth gear, the fourth gear coaxially drives the fixed chain wheel to rotate, the fixed chain wheel is connected with the chain wheel of one or two rollers on the fixed support through a chain, then the adjacent rollers synchronously rotate through the chain wheel and the chain, so that the upper roller of the power roller mechanism I on the fixed equipment I is driven to rotate, the mold changing trolley and the mold on the fixed equipment I are moved and changed, after the operation is finished, the driving motor is turned off, the electric push rod is started to retreat, the driving transmission mechanism on the mold changing trolley is separated from the driven mechanism I of the fixed equipment I, referring to fig. 19 to 22, for power transmission between the mold changing trolley and the fixing device ii, the electric push rod moves backwards continuously, the reversing joint drives the bidirectional gear shaft to move backwards continuously, the rear end of the bidirectional gear shaft enters the reverse transmission sleeve of the driven mechanism ii of the fixing device ii, the rear positioning pin at the rear end of the bidirectional gear shaft is matched with the open pin slot on the reverse transmission sleeve, so that the reverse transmission sleeve can rotate along with the bidirectional gear shaft, then the power supply of the electric push rod is turned off, the motor drives the motor to rotate, the motor gear transmits power to the first gear by meshing with the first gear, the first gear transmits power to the second gear by meshing with the second gear, the second gear coaxially drives the driving sprocket to rotate, the driving sprocket is linked with the sprocket of one or two rollers on the mold changing trolley body through a chain, and then adjacent rollers are connected through the sprockets, The chain realizes synchronous rotation, so that the rollers on the die change trolley body are driven to rotate, on the other hand, the first gear is fixedly connected with the driving transmission sleeve, so that the driving transmission sleeve is driven to rotate, the driving transmission sleeve transmits power to the bidirectional gear shaft, the bidirectional gear shaft drives the reverse transmission sleeve to rotate, the reverse transmission sleeve drives the fifth gear on the reverse transmission sleeve to rotate, the fifth gear drives the sixth gear to rotate by being meshed with the sixth gear, the sixth gear coaxially drives the installation chain wheel to rotate, the installation chain wheel is connected with the chain wheel of one or two rollers on the power roller driving mechanism II on the fixing equipment II through the chain, and then the adjacent rollers realize synchronous rotation through the chain wheel and the chain, so that the rollers on the power roller driving mechanism II on the fixing equipment II are driven to rotate, and the moving and the replacement of dies on the die change trolley and the fixing equipment II; above can find out, the retooling platform truck traveles on a runway, can provide drive power for the fixed equipment of both sides simultaneously, has improved the efficiency that the mould removed and the mould was changed, because this design, can give fixed equipment with the drive power transmission on the retooling platform truck, this just makes all need not install the motor on fixed equipment I and the fixed equipment II, greatly reduced the use quantity of motor, greatly reduced mould manufacturing cost, improvement bidirectional transmission has improved the production efficiency of mould.

Example 4

The utility model provides a retooling system with sharing drive arrangement, includes retooling platform truck 1 and fixed equipment 2, retooling platform truck 1 includes the retooling automobile body, be equipped with retooling cylinder mechanism 3 on the retooling automobile body, fixed equipment 2 includes the fixed bolster, be equipped with power cylinder mechanism 4 on the fixed bolster, its characterized in that: be equipped with power transmission mechanism 5, power transmission mechanism 5 is including drive transfer mechanism 6 and follower 7, drive transfer mechanism 6 is established on retooling platform truck 1, follower 7 is established on fixing device 2, follower 7 connects synchronous drive through drive transfer mechanism 6, drive transfer mechanism 6 is including initiative worm wheel 403, backup pad 404, initiative support fixed plate 405, initiative worm support 406, initiative cover 407, no oil bushing 408, worm 409, worm transmission shaft 410, first fixed pin 411, second fixed pin 412 and third fixed pin 413,

one end of each roller shaft on the die-changing roller mechanism 3 is provided with a driving worm wheel 403, the driving worm wheel 403 is fixedly connected with the roller shaft, the lower end of the driving worm wheel 403 is provided with a driving worm sleeve 407, the die-changing vehicle body is arranged below the die-changing roller mechanism 3, two ends of the supporting plate 404 are respectively fixedly connected with the die-changing vehicle body, the upper end of the supporting plate 404 is provided with a driving support fixing plate 405, the lower end of the driving support fixing plate 405 is fixedly connected with the supporting plate 404, driving worm supports 406 are arranged on the driving support fixing plate 405 at intervals, the lower ends of the driving worm supports 406 are fixedly connected with the driving support fixing plate 405, the driving worm supports 406 are provided with worm sleeve holes, the driving worm sleeves 407 are connected with the driving worm supports 406 through oilless bushings 408, helical teeth meshed with the driving worm wheels 403 are arranged on the, so as to be favorable to the meshing transmission of the driving worm sleeve and the driving worm wheel, a driven mechanism 7 is arranged in front of the driving worm sleeve 407, a hand wheel 409 is arranged at the rear of the driving worm sleeve 407, a worm transmission shaft 410 is arranged in the driving worm sleeve 407, first fixing pins 411 are uniformly distributed at the front end of the worm transmission shaft 410 in the radial direction, second fixing pins 412 are uniformly distributed at the rear end of the worm transmission shaft in the radial direction, third fixing pins 413 are uniformly distributed at the middle of the worm transmission shaft 410 in the radial direction, third pin grooves 414 matched with the third fixing pins 413 are formed in the driving worm sleeve 407, a second opening pin groove 415 matched with a second cylindrical pin is formed at the rear end of the driving worm sleeve 407, one end of each third fixing pin 413 is fixedly connected with the worm transmission shaft 410, the other end of each second fixing pin 412 is matched with the corresponding third pin groove 414, one end of each second fixing pin is fixedly connected with the worm transmission shaft, the rear end of the worm transmission shaft 410 penetrates through the driving worm sleeve 407 and is fixedly connected with a hand wheel 409, so that the hand wheel is pushed manually, the driving worm shaft can move axially in the driving worm sleeve through the second split pin groove and the third pin groove, the driving worm sleeve can rotate along with the worm transmission shaft when the hand wheel is rotated to drive the worm transmission shaft to rotate through the third fixing pin and the third pin groove, the driving worm wheel can be driven to rotate through the third fixing pin and the second split pin groove, the upper end of the driving worm sleeve is meshed with the driving worm wheel on the die change roller mechanism to drive the driving worm wheel to rotate, and further drive the die change roller to rotate, so that the moving and the changing of the die are realized, the driven mechanism 7 comprises a driven worm wheel 416, a fixing plate 417, a driven support fixing plate 418, a driven worm support 419 and a driven worm sleeve 420, one end of each roller shaft on the power roller mechanism 4 is provided, the driven worm gear 416 is fixedly connected with the roller shaft, the lower end of the driven worm gear 416 is provided with a driven worm sleeve 420, a fixing plate 417 is arranged below the power roller mechanism 4 on the fixing support, two ends of the fixing plate 417 are respectively fixedly connected with the fixing support, the upper end of the fixing plate 417 is provided with a driven support fixing plate 418, the lower end of the driven support fixing plate 418 is fixedly connected with the fixing plate 417, driven worm supports 419 are arranged on the driven support fixing plate 418 at intervals, the lower ends of the driven worm supports 419 are fixedly connected with the driven support fixing plate 418, worm sleeve holes are arranged on the driven worm supports 419, the driven worm sleeve 420 is connected with the driven worm supports 419 through oil-free bushes 408, spiral teeth meshed with the driven worm gear 416 are arranged on the outer wall of the driven sleeve 420 at intervals so as to be beneficial to meshing transmission of the driven worm sleeve and the driven worm gear, the central line of the driven worm sleeve 420, driven worm cover 420 is equipped with first split pin groove 421 with the one end outer wall that initiative worm cover 407 butt joint, when worm transmission shaft 410 moves forward to driven mechanism under the drive of hand wheel 409, worm transmission shaft 410 gets into in the driven worm cover 420, first fixed pin 411 matches with first split pin groove 421 on the worm transmission shaft 410 with worm transmission shaft 410 and driven worm cover 420 circumference fixed connection to do benefit to driven worm cover can be rotatory along with the worm transmission shaft, spiral tooth and driven worm wheel meshing are sheathe in to driven worm, and then it is rotatory to drive driven worm wheel, the last cylinder of power roller mechanism is also rotatory thereupon, realized retooling platform truck and fixed equipment simultaneous drive.

The fixing device 2 is an injection molding machine, a mold warehouse or a preheating station, so that synchronous driving of the mold changing trolley and the fixing device can be realized by manually rotating a hand wheel, and meanwhile, the mold changing trolley, the injection molding machine, the mold warehouse or the preheating station does not need to be provided with a motor independently, so that the number of the motors is greatly reduced, the cost is reduced, and the energy consumption is saved.

Referring to fig. 23 to 27, the mold changing trolley according to the present invention can be a mold changing trolley of the background art or the prior art, the lower end of the mold changing trolley body is provided with a universal wheel for convenient movement, the upper end of the mold changing trolley body is provided with a mold changing frame, a plurality of rollers are arranged on the mold changing frame in parallel at intervals, two ends of each roller are fixedly connected with the mold changing frame through a bearing, a driving worm wheel is arranged on a roller shaft at one end of each roller and fixedly connected with the roller shaft, the lower end of the driving worm wheel is engaged with a spiral tooth on the driving worm sleeve, the fixing device is an injection molding machine, a mold warehouse or a preheating station in the prior art, the fixing device comprises a fixing bracket, a roller mounting bracket is arranged on the fixing bracket, a plurality of rollers are arranged on the roller mounting bracket in parallel at intervals, two ends of each roller are fixedly connected with the roller mounting bracket, the lower end of the driven worm wheel is meshed with spiral teeth on the driven worm sleeve, when the die change trolley is in butt joint with a fixing device, the hand wheel is manually pushed, the worm transmission shaft axially moves towards the driven worm sleeve in the driving worm sleeve, a second fixed pin on the worm transmission shaft at the front end of the hand wheel enters a second open pin groove of the driving worm sleeve, a third fixed pin on the worm transmission shaft moves along a third pin groove on the worm transmission sleeve, the worm transmission shaft enters the driven worm sleeve, a first fixed pin at the front end of the worm transmission shaft enters a first open pin groove of the driven worm sleeve to circumferentially fix the worm transmission shaft and the driven worm sleeve, the worm transmission shaft is circumferentially and fixedly connected with the driving worm sleeve through the matching of the second fixed pin and the second open pin groove and the matching of the third fixed pin and the third pin groove, at the moment, the drive transmission mechanism is in butt joint with the driven mechanism, then the hand wheel, the event hand wheel drives the worm transmission shaft rotatory, the worm transmission shaft drives initiative worm cover and driven worm cover rotatory, initiative worm cover and initiative worm wheel meshing, driven worm cover and driven worm wheel meshing, the synchronous revolution of retooling drum mechanism and power roller mechanism has been realized from this, the application adopts the hand wheel to rotate the drive, all need not to install the motor on retooling platform truck and the fixed equipment, the use quantity of the motor that has significantly reduced, and a retooling platform truck can connect the fixed equipment of a plurality of differences respectively, and all need not install the motor on the fixed equipment, greatly reduced mould manufacturing cost, and there is not the motor, just also there is not the energy consumption, hand wheel drive retooling platform truck and fixed equipment synchronous revolution, convenient control, and is easy to operate.

Claims

1. The utility model provides a retooling system with sharing drive arrangement, includes retooling platform truck and fixed equipment, the retooling platform truck includes the retooling automobile body, be equipped with retooling cylinder mechanism on the retooling automobile body, fixed equipment includes the fixed bolster, be equipped with power cylinder mechanism on the fixed bolster, its characterized in that: the die changing trolley is provided with a power transmission mechanism, the power transmission mechanism comprises a driving transmission mechanism and a driven mechanism, the driving transmission mechanism is arranged on the die changing trolley, the driven mechanism is arranged on the fixing equipment, and the driven mechanism is connected with synchronous driving through the driving transmission mechanism.

2. A die change system having a common drive as claimed in claim 1, wherein: the driving transmission mechanism comprises a power driving part and a power transmission part, the power driving part comprises a driving gear fixing plate, a driving motor, a motor gear, a transmission gear, a driving transmission sleeve, a first gear, a second gear, a connecting shaft, a driving chain wheel and a driving chain, one side of the driving motor is provided with the power transmission part, the power transmission part comprises an electric push rod, a steel ball, a screw, a gear transmission shaft, a limiting pin and a positioning pin, the mold changing trolley body is positioned at the lower end of the mold changing roller mechanism and is provided with a supporting cross beam at intervals, two ends of the supporting cross beam are respectively and fixedly connected with the mold changing trolley body, the supporting cross beam is provided with a driving gear fixing plate, the lower end of the driving gear fixing plate is fixedly connected with the supporting cross beam, the upper end of the driving gear fixing plate is provided with the driving motor and the, the output shaft of the driving motor is fixedly connected with a motor gear, the motor gear is meshed with a transmission gear, the transmission gear is fixedly connected with a driving transmission sleeve, the driving transmission sleeve is connected with a driving gear fixing plate through a bearing and a bearing seat, the driving transmission sleeve is provided with a first gear in front of the transmission gear and an electric push rod at the rear, the first gear is fixedly connected with the driving transmission sleeve, the first gear is meshed with a second gear, the second gear is fixedly connected with one end of a connecting shaft, the connecting shaft is connected with the driving gear fixing plate through the bearing and the bearing seat, the other end of the connecting shaft is provided with a driving sprocket, the driving sprocket is fixedly connected with the connecting shaft, the driving sprocket is connected with a sprocket of a roller shaft on a die-changing roller mechanism through a driving chain, the electric push rod is connected with a power supply, and the electric push rod is fixedly connected with the driving gear, the front end of a push rod of the electric push rod is provided with a transmission shaft inserting hole, the push rod is positioned in the transmission shaft inserting hole and is internally provided with an annular upper steel ball groove, the outer wall of the push rod is provided with a steel ball hole communicated with the upper steel ball groove, the rear end of the gear transmission shaft is provided with an annular lower steel ball groove, the gear transmission shaft is inserted into the transmission shaft inserting hole of the electric push rod, a steel ball enters the space between the upper steel ball groove and the lower steel ball groove through the steel ball hole and is connected with the electric push rod through screw locking, a driven mechanism is arranged in front of the gear transmission shaft, positioning pins are radially and uniformly distributed at the front end of the gear transmission shaft, limiting pins are radially and uniformly distributed on the middle surface of the gear transmission shaft, the outer wall of the driving transmission sleeve is provided with limiting pin grooves matched with the limiting pins, the lower end of the limiting pins is fixedly connected, the driven mechanism comprises a driven gear fixing plate, a driven transmission sleeve, a third gear, a fourth gear, a fixing shaft, a fixing chain wheel and a fixing chain, the fixing support is arranged at the lower end of the power roller mechanism at intervals and is provided with a fixing cross beam, two ends of the fixing cross beam are respectively fixedly connected with the fixing support, the fixing cross beam is provided with the driven gear fixing plate, the lower end of the driven gear fixing plate is fixedly connected with the fixing cross beam, the driven transmission sleeve, the third gear, the fourth gear and the fixing shaft are arranged above the driven gear fixing plate, the central line of the driven transmission sleeve and the central line of the driving transmission sleeve are on the same horizontal line, one end of the driven transmission sleeve, which is connected with the gear transmission shaft, is provided with an opening positioning pin slot matched with the positioning pin, the gear transmission shaft moves forwards axially under the pushing of the, the positioning pin is limited by the opening positioning pin slot to circumferentially fix the gear transmission shaft and the driven transmission sleeve, the driven transmission sleeve is connected with the driven gear fixing plate through a bearing and a bearing seat, a third gear is arranged on the transmission sleeve and meshed with a fourth gear, the fourth gear is fixedly connected with one end of a fixing shaft, a fixing chain wheel is arranged at the other end of the fixing shaft, the fixing shaft is connected with the driven gear fixing plate through the bearing and the bearing seat, the fixing chain wheel is fixedly connected with the fixing shaft, and the fixing chain wheel is connected with a chain wheel of a drum shaft on the power drum mechanism through a fixing chain.

3. A die change system having a common drive as claimed in claim 1, wherein: the driving transmission mechanism comprises a power driving part and a power transmission part, the power driving part comprises a driving gear fixing plate, a driving motor, a motor gear, a transmission gear, a driving transmission shaft, a first gear, a second gear, a connecting shaft, a driving chain wheel and a driving chain, one side of the driving motor is provided with the power transmission part, the power transmission part comprises an electric push rod, a shifting fork, a belt shaft bearing, a driving transmission sleeve and a first cylindrical pin, the mold changing trolley body is positioned at the lower end of the mold changing roller mechanism and is provided with a supporting cross beam at intervals, two ends of the supporting cross beam are respectively fixedly connected with the mold changing trolley body, the supporting cross beam is provided with a driving gear fixing plate, the lower end of the driving gear fixing plate is fixedly connected with the supporting cross beam, the upper end of the driving gear fixing plate is provided with the driving motor and the electric push rod in, an output shaft of the driving motor is fixedly connected with a motor gear, the motor gear is meshed with a transmission gear, the transmission gear is fixedly connected with the rear end of a driving transmission shaft, first cylindrical pins are radially and uniformly distributed on the surface of the front end of the driving transmission shaft, a driving transmission sleeve is sleeved on the front end of the driving transmission shaft, a first gear is arranged in front of the transmission gear on the driving transmission shaft, an electric push rod is arranged on the rear of the transmission gear, the driving transmission shaft is connected with a driving gear fixing plate through a bearing and a bearing seat, the first gear is fixedly connected with the driving transmission shaft, the first gear is meshed with a second gear, the second gear is fixedly connected with one end of a connecting shaft, the connecting shaft is connected with the driving gear fixing plate through the bearing and the bearing seat, a driving chain wheel is arranged at the other end of the connecting shaft, the driving chain wheel is fixedly connected with the connecting shaft, and, the inner wall of the driving transmission sleeve is uniformly and radially provided with cylindrical pin grooves, the driving transmission sleeve is sleeved on the driving transmission shaft and is fixedly connected with the driving gear fixing plate through a first cylindrical pin and the cylindrical pin grooves in the circumferential direction, the surface of the rear end of the driving transmission sleeve is provided with an annular groove, the electric push rod is connected with a power supply, the electric push rod is fixedly connected with the driving gear fixing plate through an electric push rod support, the front end of the electric push rod is fixedly connected with a shifting fork, the inner wall of the shifting fork is uniformly provided with a belt shaft bearing, one end of a belt shaft on the belt shaft bearing is fixedly connected with the shifting fork, one end of a bearing on the belt shaft bearing is embedded into the annular groove of the driving transmission sleeve to slidably connect the belt shaft bearing with the driving transmission sleeve, the front part of the driving transmission sleeve is provided with a driven mechanism, and the driven mechanism comprises a, the fixed support is arranged at the lower end of the power roller mechanism at intervals and is provided with fixed cross beams, two ends of each fixed cross beam are respectively fixedly connected with the fixed support, a driven gear fixing plate is arranged on each fixed cross beam, the lower end of each driven gear fixing plate is fixedly connected with the fixed cross beam, a driven transmission shaft, a third gear, a fourth gear and a fixed shaft are arranged above each driven gear fixing plate, the central line of each driven transmission shaft and the central line of each driving transmission shaft are on the same horizontal line, second cylindrical pins are radially and uniformly distributed on the surface of one end, butted with the driving transmission sleeve, of each driven transmission shaft, the driving transmission sleeve is forwards sleeved on each driven transmission shaft and is connected with the driven gear fixing plates through the second cylindrical pins and the cylindrical pin grooves, each driven transmission shaft is connected with the driven gear fixing plates through bearings and bearing seats, a third gear, the fourth gear is fixedly connected with one end of the fixed shaft, the other end of the fixed shaft is provided with a fixed chain wheel, the fixed shaft is connected with the driven gear fixing plate through a bearing and a bearing seat, the fixed chain wheel is fixedly connected with the fixed shaft, and the fixed chain wheel is connected with a chain wheel of a drum shaft on the power drum mechanism through a fixed chain.

4. A die change system having a common drive as claimed in claim 1, wherein: the driving transmission mechanism comprises a driving worm wheel, a support plate, a driving support fixing plate, a driving worm support, a driving worm sleeve, an oilless bush, a hand wheel, a worm transmission shaft, a first fixing pin, a second fixing pin and a third fixing pin, wherein one end of each roller shaft on the die change roller mechanism is provided with the driving worm wheel which is fixedly connected with the roller shaft, the lower end of the driving worm wheel is provided with the driving worm sleeve, the die change vehicle body is arranged below the die change roller mechanism, the support plate is fixedly connected with the die change vehicle body at two ends respectively, the upper end of the support plate is provided with the driving support fixing plate, the lower end of the driving support fixing plate is fixedly connected with the support plate, the driving worm support is arranged on the driving support fixing plate at intervals, the lower end of the driving worm support is fixedly connected with the, the driving worm sleeve is connected with the driving worm support through an oil-free bush, spiral teeth meshed with a driving worm wheel are arranged on the outer wall of the driving worm sleeve at intervals, a driven mechanism is arranged in front of the driving worm sleeve, a hand wheel is arranged at the rear of the driving worm sleeve, a worm transmission shaft is arranged in the driving worm sleeve, first fixing pins are uniformly distributed at the front end of the worm transmission shaft in the radial direction, second fixing pins are uniformly distributed at the rear end of the worm transmission shaft in the radial direction, third fixing pins are uniformly distributed at the middle part of the worm transmission shaft in the radial direction, third pin grooves matched with the third fixing pins are formed in the driving worm sleeve, a second opening pin groove matched with a second cylindrical pin is formed in the rear end of the driving worm sleeve, one end of each third fixing pin is fixedly connected with the worm transmission shaft, the other end of each third fixing pin is matched with the corresponding third pin groove, one end of each second fixing pin is fixedly, the rear end of the worm transmission shaft penetrates out of the driving worm sleeve to be fixedly connected with a hand, the driven mechanism comprises a driven worm wheel, a fixed plate, a driven support fixed plate, a driven worm support and a driven worm sleeve, one end of each roller shaft on the power roller mechanism is provided with the driven worm wheel, the driven worm wheel is fixedly connected with the roller shafts, the lower end of the driven worm wheel is provided with the driven worm sleeve, the fixed plate is arranged below the power roller mechanism on the fixed support, two ends of the fixed plate are respectively and fixedly connected with the fixed support, the upper end of the fixed plate is provided with the driven support fixed plate, the lower end of the driven support fixed plate is fixedly connected with the fixed plate, the driven worm support fixed plate is provided with the worm sleeve hole at intervals, the lower end of the driven worm support is fixedly connected with the driven support fixed plate, the, the interval is equipped with the helical tooth who meshes mutually with driven worm wheel on the driven worm cover outer wall, the central line of driven worm cover and the central line of initiative worm cover are on same water flat line, the one end outer wall that driven worm cover and initiative worm cover butt joint is equipped with first opening cotter way, when worm transmission shaft moves forward to driven mechanism under the hand wheel drives, in worm transmission shaft gets into driven worm cover, first fixed pin cooperatees worm transmission shaft and driven worm cover circumference fixed connection with first opening cotter way on the worm transmission shaft.

5. A die change system with common drive means according to claim 1 or 2 or 3 or 4, wherein: the fixing equipment is an injection molding machine or a mold warehouse or a preheating station.

6. A die change system having a common drive as claimed in claim 3, wherein: the bearing seat at the lower end of the driving transmission shaft is provided with a push rod through hole, and the electric push rod penetrates through the bearing seat and is connected with the bearing seat through an oilless bushing.

7. The utility model provides a retooling system with sharing drive arrangement, includes retooling platform truck, fixed equipment I and fixed equipment II, the retooling platform truck is including the retooling automobile body, be equipped with retooling cylinder mechanism on the retooling automobile body, fixed equipment I includes the fixed bolster, be equipped with power roller mechanism I on the fixed bolster, fixed equipment II includes the installing support, be equipped with power roller mechanism II on the installing support, its characterized in that: be equipped with power transmission mechanism, power transmission mechanism includes drive transmission mechanism, follower I and follower II, drive transmission mechanism establishes on retooling platform truck, follower I is established on fixed equipment I, follower II is established on fixed equipment II, follower I and follower II are respectively through drive transmission mechanism connection synchronous drive.

8. A die change system having a common drive as claimed in claim 7, wherein: the mold changing trolley comprises a mold changing roller mechanism, a driving transmission mechanism and a mold changing trolley body, wherein the driving transmission mechanism comprises a power driving part and a bidirectional power transmission part, the power driving part comprises a driving gear fixing plate, a driving motor, a motor gear, a transmission gear, a driving transmission sleeve, a first gear, a second gear, a connecting shaft, a driving chain wheel and a driving chain, the bidirectional power transmission part is arranged on one side of the driving motor, the bidirectional power transmission part comprises an electric push rod, a bidirectional transmission shaft, a reversing joint, a supporting sleeve, a front positioning pin, a rear positioning pin, a limiting pin, a steel ball and a bolt, a supporting cross beam is arranged at the lower end of the mold changing trolley body at intervals, two ends of the supporting cross beam are respectively and fixedly connected with the mold changing trolley body, the driving gear fixing plate is arranged on the supporting cross beam, the, the driving motor is connected with a power supply, the driving motor is fixedly connected with a driving gear fixing plate through a motor bracket, an output shaft of the driving motor is fixedly connected with a motor gear, the motor gear is meshed with a transmission gear, the transmission gear is fixedly connected with a driving transmission sleeve, the driving transmission sleeve is connected with the driving gear fixing plate through a bearing and a bearing seat, the driving transmission sleeve is provided with a first gear in front of the transmission gear, the first gear is fixedly connected with the driving transmission sleeve, the first gear is meshed with a second gear, the second gear is fixedly connected with one end of a connecting shaft, the connecting shaft is connected with the driving gear fixing plate through the bearing and the bearing seat, the other end of the connecting shaft is provided with a driving chain wheel, the driving chain wheel is fixedly connected with the connecting shaft, and the driving chain wheel is connected with a chain wheel of a roller shaft on a mold changing roller mechanism, the bidirectional transmission shaft is sleeved with a driving transmission sleeve, a reversing joint and a supporting sleeve at intervals from front to back, the front end of the bidirectional transmission shaft is radially and uniformly provided with front positioning pins, the bidirectional transmission shaft is positioned in the driving transmission sleeve and radially and uniformly provided with limiting pins, the bidirectional transmission shaft is positioned in the reversing joint and is internally provided with an annular steel ball groove, the bidirectional transmission shaft penetrates through the rear end of the supporting sleeve and radially and uniformly provided with rear positioning pins, the driving transmission sleeve is provided with a limiting pin groove matched with the limiting pins, the driving transmission sleeve penetrates through the limiting pin groove through the limiting pin and is circumferentially and fixedly connected with the bidirectional transmission shaft, the reversing joint comprises a left reversing joint and a right reversing joint, the left reversing joint and the right reversing joint are respectively provided with a semicircular groove, the semicircular groove of the left reversing joint or the semicircular groove of the right reversing joint is internally provided with a semicircular groove, and the left, the semi-annular grooves of the left reversing joint and the right reversing joint are opposite to the annular steel ball grooves on the two-way transmission shaft and are filled with steel balls, the left reversing joint and the right reversing joint are connected with the two-way transmission shaft through bolt locking, an electric push rod is arranged on one side of the left reversing joint and is parallel to the two-way transmission shaft, the electric push rod is connected with a power supply, a threaded hole is formed in the front end of the electric push rod, a bolt penetrates through the electric push rod, one end of the bolt is fixedly connected with the electric push rod through a nut, the other end of the bolt is fixedly connected with the left reversing joint through the nut, the support sleeve is connected with a driving gear fixing plate through a bearing and a bearing seat, the two-way transmission shaft penetrates through the support sleeve and is in sliding connection with the support sleeve, a driven mechanism I is arranged in, The fixed support is positioned at the lower end of the power roller mechanism I and is provided with fixed cross beams at intervals, two ends of each fixed cross beam are fixedly connected with the fixed support respectively, a driven gear fixing plate is arranged on each fixed cross beam, the lower end of each driven gear fixing plate is fixedly connected with the corresponding fixed cross beam, a driven transmission sleeve, a third gear, a fourth gear and the fixed shaft are arranged above each driven gear fixing plate, the central line of each driven transmission sleeve and the central line of each driving transmission sleeve are on the same horizontal line, one end, connected with the two-way transmission shaft, of each driven transmission sleeve is provided with an opening positioning pin groove matched with the corresponding front positioning pin, the two-way transmission shaft moves forwards axially under the pushing of an electric push rod and is embedded into the corresponding driven transmission sleeve, and the front positioning pin is matched with the opening positioning pin groove to fixedly connect the two-way transmission shaft with the driven transmission sleeve circumferentially, the driven transmission sleeve is connected with a driven gear fixing plate through a bearing and a bearing seat, a third gear is arranged on the transmission sleeve and is meshed with a fourth gear, the fourth gear is fixedly connected with one end of a fixed shaft, the other end of the fixed shaft is provided with a fixed chain wheel, the fixed shaft is connected with the driven gear fixing plate through the bearing and the bearing seat, the fixed chain wheel is fixedly connected with the fixed shaft, the fixed chain wheel is connected with a chain wheel of an upper roller shaft of the power roller mechanism I through a fixed chain, the driven mechanism II comprises a reverse gear fixing plate, a reverse transmission sleeve, a fifth gear, a sixth gear, a mounting shaft, a mounting chain wheel and a mounting chain, mounting cross beams are arranged at the lower ends of the power roller mechanism II at intervals on mounting supports, two ends of the mounting cross beams are respectively and fixedly connected with the mounting supports, and reverse gear fixing plates, the lower end of the reverse gear fixing plate is fixedly connected with the mounting cross beam, a reverse transmission sleeve, a fifth gear, a sixth gear and a mounting shaft are arranged above the reverse gear fixing plate, the central line of the reverse transmission sleeve and the central line of the driving transmission sleeve are on the same horizontal line, an opening pin slot matched with the rear positioning pin is arranged at one end of the reverse transmission sleeve connected with the bidirectional transmission shaft, the bidirectional transmission shaft axially moves backwards under the action of the electric push rod, the bidirectional transmission shaft is embedded into the reverse transmission sleeve, the rear positioning pin is matched with the opening pin slot to fixedly connect the bidirectional transmission shaft with the reverse transmission sleeve in the circumferential direction, the reverse transmission sleeve is connected with the reverse gear fixing plate through a bearing and a bearing seat, the reverse transmission sleeve is provided with the fifth gear which is meshed with the sixth gear, the sixth gear is fixedly connected with one end of the mounting shaft, and the other end of, the mounting shaft is connected with the reverse gear fixing plate through a bearing and a bearing seat, the mounting chain wheel is fixedly connected with the mounting shaft, and the mounting chain wheel is connected with a chain wheel of a drum shaft on the power drum mechanism II through a mounting chain.

9. A die change system having a common drive as claimed in claim 8, wherein: the fixing equipment I is an injection molding machine or a mold warehouse or a preheating station, and the fixing equipment II is an injection molding machine or a mold warehouse or a preheating station.