CN113183382B

CN113183382B - Automatic compression molding die device of commutator

Info

Publication number: CN113183382B
Application number: CN202110435816.7A
Authority: CN
Inventors: 苏光清
Original assignee: Shenzhen Ruijie Jinfu Technology Co ltd
Current assignee: Shenzhen Ruijie Jinfu Technology Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2022-12-20
Anticipated expiration: 2041-04-22
Also published as: CN113183382A

Abstract

The invention relates to the field of commutator compression molding dies, in particular to an automatic commutator compression molding die device which comprises a machine body, wherein a lower layer in the middle of the machine body is provided with a transfer compression molding mechanism for transferring arranged commutator segment groups, transferring the commutator segment groups to a compression molding station and performing compression molding to form finished products, and transferring the finished products to an air cooling station and a discharging station in sequence; an injection molding mechanism is arranged in the upper layer of the left part of the machine body and is used for injecting a hot-melt plastic matrix into a compression molding station to form a finished product; the upper layer of the front part of the machine body is provided with an air cooling mechanism which is used for cooling the finished product by air cooling; the lower layer in the right part of the machine body is provided with a discharging mechanism which is used for removing the finished product from the transfer compression molding mechanism and collecting the finished product in a centralized manner; an upper commutator segment mechanism is arranged at the rear part of the machine body, and the arranged commutator segment groups are sequentially placed in an upper segment station; the invention realizes automatic continuous compression molding and automatically discharges and collects the compression molded finished products, thereby not only improving the compression molding efficiency, but also reducing the labor intensity of workers.

Description

Automatic compression molding die device of commutator

Technical Field

The invention relates to the field of commutator compression molds, in particular to an automatic commutator compression mold device.

Background

Generally, the compression molding of the traditional commutator needs a plurality of processes, including the work of taking out and putting in the compression mold from a press for a plurality of times, removing a template, removing the template, demoulding a product and the like, all the processes are manually operated, and because the compression molding needs to heat the plastic material, the heating temperature is generally 180-200 ℃, and workers need to wear thick heat-insulating gloves during operation, the whole operation process is complicated, the production efficiency is low, and the labor intensity of the workers is high.

At present, the chinese patent No. 201210066787.2 discloses a commutator compression mold, which comprises an upper mold plate, a middle mold plate, a lower mold plate, a bottom plate, an upper hook, a mold core, a material chamber, a pressure head, a pull rod, a front guide post and a rear guide post, wherein the material chamber is movably arranged below the upper mold plate, the upward movement of the material chamber is pulled by the pull rod, the pull rod is fixedly connected with the upper mold plate, the pressure head is fixedly arranged at the bottom of the upper mold plate, the pressure head is opposite to a material cavity of the material chamber, the bottom plate of the material chamber is provided with arranged injection molding holes, the upper hook is fixedly arranged at the side of the material chamber, the bottom of the upper hook is provided with a supporting platform for supporting the middle mold plate, the middle mold plate is movably arranged, the mold core and the front guide post and the rear guide post are fixedly arranged on the lower mold plate, the lower mold plate is fixedly arranged on the bottom surface of the bottom plate of the material chamber, a profiled hole end surface of an injection molding port of each injection molding hole is provided with a groove, and the profiled groove has a profile curve which is matched with the shape of the top end surface of a formed commutator and extends into an inner hole of the commutator. The device has good compression molding quality of the commutator.

However, in the application process, the above technical solution has the following defects and shortcomings:

after the compression molding, the middle template needs to be taken out, and then the molded product in the middle template needs to be taken out, and the whole operation process is manually operated, so that the whole compression molding efficiency is reduced.

Disclosure of Invention

Solves the technical problem

Aiming at the defects in the prior art, the invention provides an automatic compression molding die device for a commutator, which can effectively solve the problem that after compression molding in the prior art, a middle template needs to be taken out, then a molded product in the middle template needs to be taken out, and the whole operation process is manual operation, so that the whole compression molding efficiency is reduced.

Technical scheme

In order to realize the purpose, the invention is realized by the following technical scheme:

an automatic compression molding die device of a commutator comprises a machine body, wherein a transfer compression molding mechanism is arranged on the lower layer in the middle of the machine body and used for transferring arranged commutator segment groups, transferring line segment changing groups to a compression molding station, carrying out compression molding on the line segment changing groups to form finished products, and transferring the finished products to an air cooling station and a discharging station in sequence;

an injection molding mechanism is arranged in the upper layer of the left part of the machine body and is used for injecting a hot-melt plastic matrix into a compression molding station to form a finished product;

the upper layer of the front part of the machine body is provided with an air cooling mechanism which is used for cooling the finished product by air cooling;

the lower layer in the right part of the machine body is provided with a discharging mechanism which is used for removing the finished product from the transfer compression molding mechanism and collecting the finished product in a centralized manner;

the rear part of the machine body is provided with an upper commutator segment mechanism, and the arranged commutator segment groups are sequentially placed in an upper segment station.

Furthermore, the transferring compression molding mechanism comprises a stepping motor erected in the lower layer of the machine body, a shaft lever fixed at the output shaft end of the stepping motor, a switching ring positioned in the middle of the machine body, a rotary table rotatably connected in the switching ring, a tray erected in the lower layer of the machine body and positioned between the rotary table and the stepping motor, and a plurality of groups of compression molding cylinders erected in the lower layer of the machine body and arranged at equal angles, wherein the output shaft of the stepping motor penetrates through and penetrates out of the axis of the tray, the shaft lever penetrates through the axis of the rotary table and is in sliding connection with the rotary table, the bottom side wall of the switching ring is fixedly connected with the output shaft end of the compression molding cylinder, a plurality of groups of mold cavity groups are arranged at equal angles on the surface of the rotary table, each group of mold cavities is provided with a plurality of mold cavities which are arranged and distributed, and a plurality of mold cores which correspond to the mold cavities one by one are fixedly connected at equal intervals on the left part of the upper side of the tray;

the stepping motor controls the shaft lever to rotate a specific transfer angle (namely the included angle between two adjacent die cavity groups and the axis of the turntable) each time, so that the turntable rotates the transfer angle around the shaft lever each time, and the die cavity groups are transferred to different stations respectively; when the well-arranged commutator segment groups arranged in the die cavity group pass through the turntable, the controller controls the compression molding cylinder to drive the adapter ring to move downwards so as to drive the turntable to descend to the compression molding height, and at the moment, the die cores respectively enter the die cavities, so that molten plastic substrates can be respectively injected into the die cavities by controlling the injection molding mechanism; after the injection molding is finished, the controller controls the compression molding cylinder again to enable the turntable to rise to the initial height.

Furthermore, a shaft hole is formed in the axis of the rotary table, a key sliding groove is formed in the inner side wall of the shaft hole, the shaft rod penetrates through the shaft hole and penetrates out of the shaft hole, a key sliding strip in sliding fit with the key sliding groove is arranged on the side wall of the shaft rod, and limiting discs are arranged at the upper end and the lower end of the shaft rod;

through key spout and key draw runner, realize the sliding connection of axostylus axostyle and carousel, and then the carousel can follow the axostylus axostyle and reciprocate, makes the rotation of axostylus axostyle drive carousel simultaneously, through spacing dish, carries on spacingly to reciprocating of carousel.

Furthermore, the injection molding mechanism comprises a lifting cylinder, an injection molding part, an injection molding cylinder and a pressure head, wherein the lifting cylinder and the injection molding part are symmetrically erected in the upper layer of the left part of the machine body, the injection molding cylinder is erected above the middle part of the injection molding part through an injection molding bracket, the pressure head is fixed at the output shaft end of the injection molding cylinder, fixing parts fixedly connected with the output shaft end of the lifting cylinder are arranged on the left outer side wall and the right outer side wall of the injection molding part, an injection molding cavity matched with the pressure head is formed in the upper side of the injection molding part, and a plurality of groups of injection molding nozzles are formed in the bottom side of the injection molding cavity at equal intervals;

in order to facilitate melting and heat preservation of the plastic in the injection molding cavity, a resistance heating pipe is arranged in the interlayer of the injection molding part, and meanwhile, in order to reduce heat dissipation of the injection molding cavity, improve melting rate and reduce electric quantity loss and protect cylinders such as a lifting cylinder and the like, a heat-resistant heat preservation layer is arranged on the outer side wall of the injection molding part; when injection molding is carried out, the controller controls the two groups of lifting cylinders to simultaneously drive the injection molding piece to descend to the injection molding height, the bottom side of the injection molding piece is in close contact with the upper side of the turntable, the bottom end of each group of injection molding nozzles respectively corresponds to the upper end of the mold cavity with the commutator segments arranged inside one by one, the controller controls the adjusting cylinder again to open the injection molding nozzles, and simultaneously the controller controls the injection molding cylinders to drive the pressure head to move downwards in the injection molding cavity, so that the plastic base materials melted in the injection molding cavity are respectively injected into the mold cavity from the injection molding nozzles, and automatic injection molding is realized; after the injection is finished, the controller controls the adjusting cylinder to close the injection molding nozzle, so that the molten plastic base material is prevented from leaking, and then the two groups of lifting cylinders are controlled to simultaneously drive the injection molding part to rise to the initial height, so that the injection molding nozzle leaves from the upper side of the mold cavity, and at the moment, the injection molding and the compression molding of the commutator are realized.

Furthermore, the left upper side wall and the right upper side wall of the injection molding part are symmetrically provided with guide parts in the front and back directions, guide rods which correspond to the guide parts one by one are respectively erected in the upper layer of the left part of the machine body, and the guide rods respectively penetrate through and penetrate out of the guide parts;

through guide arm and guide, realize the direction that reciprocates the injection molding to improve the stability that the injection molding reciprocated.

Furthermore, adjusting cylinders are respectively erected on the left side and the right side of the top side of the injection molding piece, rectangular grooves are respectively formed in the left inner side wall and the right inner side wall of the injection molding cavity, longitudinal frames matched with the rectangular grooves are respectively arranged in the rectangular grooves in a sliding mode, connectors fixedly connected with the output ends of the adjusting cylinders are respectively vertically arranged at the top ends of the two groups of longitudinal frames and back to one side of the two groups of longitudinal frames, transverse frames are fixedly connected between the bottom ends of the two groups of longitudinal frames, connecting rods which are in one-to-one correspondence with the injection molding nozzles are arranged on the bottom sides of the transverse frames at equal intervals, and end sockets matched with the injection molding nozzles are respectively arranged at the bottom ends of the connecting rods;

in order to avoid that the heat is transferred to the adjusting cylinder through the longitudinal frame to influence the work of the adjusting cylinder, the connectors are made of high-temperature-resistant plastic materials, so that the heat transfer is effectively prevented; the controller controls the adjusting cylinder to drive the longitudinal frame to move upwards, the longitudinal frame is moved upwards through the cross frame and the connecting rod, meanwhile, the end socket is moved upwards in the injection molding nozzle, the injection molding nozzle is of an inverted cone structure, the end socket is of an inverted cone platform structure matched with the inverted cone structure, when the end socket moves upwards, a gap is formed between the injection molding nozzle and the end socket, then, the molten plastic substrate is extruded out of the injection molding nozzle from the gap under the action of pressure head pressure, the longitudinal frame moves downwards when the adjusting cylinder drives the longitudinal frame, the end socket moves downwards to the initial position, the side wall of the end socket cone is tightly attached to the side wall of the injection molding nozzle at the moment, the sealing of the injection molding nozzle is realized, the molten plastic substrate is prevented from leaking when the compression molding part moves upwards, and the bottom side face of the end socket is parallel to the bottom side face of the compression molding part at the moment, therefore, the influence on the top side face of the compression molding finished product is effectively reduced, and the quality of the compression molding is improved.

Furthermore, the air cooling mechanism comprises an air chamber arranged in the upper layer of the front part of the machine body and a blast piece arranged in the air chamber, the top end of the air chamber penetrates through the machine body and penetrates out of the machine body, an air inlet at the top end of the air chamber is provided with a dustproof grid, and the bottom end of the air chamber is provided with an air outlet cover;

in order to avoid dust suction and improve the air cooling effect, the dust-proof grids and the air outlet cover are respectively arranged at the upper end and the lower end of the air chamber, meanwhile, the air blower of the technical scheme is selected, air above the machine body is downwards pumped into the machine body, and air cooling is carried out on a finished product passing through the lower area of the air outlet cover, so that the cooling speed of the finished product is accelerated.

Furthermore, the discharging mechanism comprises a discharging groove obliquely arranged in the lower layer of the right part of the machine body, a guide groove obliquely erected on the upper side of the middle part of the discharging groove and a guide frame fixed on the left part of the guide groove, a plurality of groups of ejector rods are arranged in the middle part of the lower discharging groove at equal intervals, a rotating shaft is rotatably connected to the upper side of the middle part of the guide frame, a plurality of groups of elastic sheets are arranged on the circumferential side wall of the middle part of the rotating shaft at equal angles, a driving belt wheel is arranged at the front end of the rotating shaft, a motor is erected on the top side of the machine body, a driving belt wheel is arranged at the output shaft end of the motor, and the driving belt wheel is in transmission fit with the driving belt wheel through a belt;

when the compression cylinder drives the turntable to descend to the compression height, the mold cavity at the ejector rod descends, so that a finished product in the mold cavity is ejected out, meanwhile, waste materials attached to the inner wall of the mold cavity are ejected out, and the ejector rod is in clearance fit with the mold cavity in order to remove the waste materials attached to the inner wall of the mold cavity; this organism top and be close to driving band pulley department and seted up the area mouth, and then be convenient for the belt to pass and wear out the organism, cooperate driving pulley and driving pulley through belt transmission, make the motor realize the drive pivot, and then make a plurality of groups's flexure strip all rotate around the pivot, the extension size of this flexure strip is greater than the perpendicular distance of pivot and carousel, and then when the flexure strip rotates around the pivot, it pats the surface of carousel, sweep ejecting finished product and waste material to the guide chute, and then make finished product accessible baffle chute fall into the blown down tank, then can concentrate the collection to the finished product, the waste material can fall into the blown down tank from the die cavity simultaneously, in order to lead the baffle chute with ejecting finished product, through setting up the guide frame, ensure ejecting finished product direction baffle chute.

Furthermore, the upper wafer reversing mechanism comprises a lower wafer cylinder erected in an upper layer at the rear part of the machine body, a lower wafer frame arranged at an output shaft end of the lower wafer cylinder, lower wafer rods arranged at the lower side of the lower wafer frame at equal intervals, a conveyor belt erected at the right side of the machine body, an upper wafer position arranged at the front part of the conveyor belt, an upper wafer cylinder arranged at the right side of the upper wafer position, a transmission cylinder arranged at the left side of the conveyor belt, an upper wafer frame connected to the rear side of the machine body in a sliding manner and a support plate cylinder fixed in the left part of the upper wafer frame, wherein the output shaft end of the upper wafer cylinder penetrates through the upper wafer position, a push plate is arranged at the output shaft end of the upper wafer cylinder, the output shaft end of the transmission cylinder is fixedly connected with the rear side wall of the upper wafer frame, a plurality of groups of upper wafer grooves are uniformly formed in the right side wall of the upper wafer frame, the bottom side of the right part of the upper wafer frame is connected with the support plate in a sliding manner, and a support plate frame fixedly connected with the output shaft end of the support plate is vertically arranged on the left side wall of the support plate;

the controller controls the transmission cylinder to drive the push piece to move towards the upper piece groove, the commutator segment at the upper piece position is pushed into the upper piece groove, then the upper piece cylinder is controlled to drive the push piece to retract to the initial position, the next group of commutator segment enters the upper piece position under the action of the transmission belt, the commutator segment can be sequentially placed into the upper piece groove, when the compression cylinder drives the turntable to descend to the compression height, the controller simultaneously controls the transmission cylinder to drive the upper piece frame to move to the position below the lower piece rod, so that the upper piece groove of each group corresponds to the lower piece rod, then the support plate cylinder is controlled to drive the support plate to move leftwards, so that no support object is arranged below the upper piece groove, the lower piece cylinder is controlled to drive the lower piece frame to descend, the upper piece groove of each group of commutator segment is driven by the lower piece rod, and the upper piece group of the lower piece rod drives the support plate to move to the initial position, and the commutator segment is reset to drive the lower piece cylinder to move to the upper piece groove.

Furthermore, an opening is formed in the right side wall of the upper sheet position, the push sheet penetrates through the opening, and a baffle is vertically arranged rightwards on the rear side wall of the push sheet; through the baffle, when the push jack pushes the commutator bar group in the upper disc position, the conveyor belt is effectively prevented from conveying the commutator bar group to the upper disc position, and when the push jack retracts into the opening, the push jack cannot prevent the conveyor belt from conveying the commutator bar group to the upper disc position.

Advantageous effects

Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:

according to the automatic compression molding machine, the mold cavity group is continuously and sequentially subjected to reciprocating compression molding, air cooling, discharging and loading through the rotary table, continuous automatic compression molding is realized to form a finished product, air cooling and cooling are continuously and sequentially performed on the finished product, the finished product is automatically ejected out, discharged and collected in a centralized manner, and the commutator bar group is automatically placed in the mold cavity group of the loading station, so that automatic continuous compression molding is realized, the compressed finished product is automatically discharged and collected in a centralized manner, the compression molding efficiency is improved, and the labor intensity of workers is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic diagram of a front side view angle structure of the present invention;

FIG. 2 is a schematic view of the left rear side view angle structure of the present invention;

FIG. 3 is a schematic view of the right rear view structure of the present invention;

FIG. 4 is a schematic cross-sectional view of the present invention;

FIG. 5 is a schematic view of the transfer compression molding mechanism of the present invention;

FIG. 6 is a schematic view of the turntable structure of the present invention;

FIG. 7 is a schematic view of the shaft construction of the present invention;

FIG. 8 is a schematic structural view of an injection molding mechanism according to the present invention;

FIG. 9 is a schematic view of the injection molded part of the present invention;

FIG. 10 is a schematic structural view of the vertical frame, the connecting head, the horizontal frame and the end enclosure of the present invention;

FIG. 11 is a schematic view of the discharge mechanism of the present invention;

FIG. 12 is a first perspective structural view of the upper commutator segment mechanism of the present invention;

FIG. 13 is an enlarged view of the structure at the point A of the present invention;

FIG. 14 is a second perspective structural view of the upper commutator segment mechanism of the present invention;

the reference numerals in the drawings denote: 1-body; 2-a step motor; 3-shaft lever; 4-a transfer ring; 5, rotating a disc; 6-a tray; 7-a compression moulding cylinder; 8-a mold cavity; 9-a mold core; 10-shaft hole; 11-key runners; a 12-key slider; 13-a lifting cylinder; 14-injection molding; 15-injection molding the bracket; 16-an injection cylinder; 17-pressure head; 18-a fixing member; 19-injection molding cavity; 20-injection molding nozzle; 21-a guide; 22-a guide bar; 23-a regulating cylinder; 24-a rectangular groove; 25-longitudinal frame; 26-a connector; 27-a cross frame; 28-a connecting rod; 29-end enclosure; 30-a wind chamber; 31-a dustproof gate; 32-air outlet cover; 33-a discharge chute; 34-a material guide groove; 35-a material guiding frame; 36-a top rod; 37-an elastic sheet; 38-a drive pulley; 39-motor; 40-a belt; 41-lower cylinder; 42-a lower rack; 43-lower blade bar; 44-a conveyor belt; 45-upper chip position; 46-a plate feeding cylinder; 47-a transmission cylinder; 48-a loading frame; 49-pallet cylinder; 50-pushing a sheet; 51-a sheet feeding groove; 52-a pallet; 53-pallet frame; 54-an opening; 55-baffle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Examples

The automatic compression molding device for the commutator of the embodiment is as follows, referring to FIGS. 1-14: the machine comprises a machine body 1, wherein a transfer compression molding mechanism is arranged on the lower layer in the middle of the machine body 1 and used for transferring arranged commutator bar groups, transferring the commutator bar groups to a compression molding station, performing compression molding to form finished products, and transferring the finished products to an air cooling station and a discharging station in sequence;

an injection molding mechanism is arranged in the upper layer of the left part of the machine body 1 and is used for injecting hot-melt plastic matrix into a compression molding station to form a finished product;

an air cooling mechanism is arranged in the upper layer of the front part of the machine body 1 and is used for cooling the finished product by air cooling;

the lower layer in the right part of the machine body 1 is provided with a discharging mechanism which is used for taking off a finished product from a transfer compression molding mechanism and collecting the finished product in a centralized manner;

an upper commutator segment mechanism is arranged at the rear part of the machine body 1, and the arranged commutator segment groups are sequentially placed in an upper segment station.

Referring to fig. 4-6, the transfer compression molding mechanism comprises a stepping motor 2 erected in the lower layer of the machine body 1, a shaft lever 3 fixed at the output shaft end of the stepping motor 2, a transfer ring 4 positioned in the middle of the machine body 1, a turntable 5 rotatably connected in the transfer ring 4, a tray 6 erected in the lower layer of the machine body 1 and positioned between the turntable 5 and the stepping motor 2, and a plurality of groups of compression molding cylinders 7 erected in the lower layer of the machine body 1 and arranged at equal angles, wherein the output shaft of the stepping motor 2 penetrates through and penetrates out of the axis of the tray 6, the shaft lever 3 penetrates through the axis of the turntable 5 and is slidably connected with the turntable 5, the bottom side wall of the transfer ring 4 is fixedly connected with the output shaft end of the compression molding cylinder 7, a plurality of groups of mold cavities are arranged at equal angles on the surface of the turntable 5, each group of mold cavities is provided with a plurality of groups of mold cavities 8 arranged and distributed, and a plurality of mold cores 9 which correspond to the mold cavities 8 one by one are fixedly connected to one at equal intervals on the left part of the upper side of the tray 6;

the stepping motor 2 controls the shaft lever 3 to rotate a specific transfer angle (namely an included angle between two adjacent die cavity groups and the axis of the turntable 5) each time, so that the turntable 5 rotates the transfer angle around the shaft lever 3 each time, and the die cavity groups are transferred to different stations respectively; when the well-arranged commutator segment groups arranged in the die cavity group pass through the turntable 5, the controller controls the compression molding cylinder 7 to drive the adapter ring 4 to move downwards so as to drive the turntable 5 to descend to the compression molding height, at the moment, the die cores 9 respectively enter the die cavities 8, so that the injection molding mechanisms can respectively inject molten plastic substrates into the die cavities 8; after the injection molding is finished, the controller controls the compression molding cylinder 7 again to enable the turntable 5 to ascend to the initial height.

Referring to fig. 6-7, an axle hole 10 is arranged at the axle center of the turntable 5, a key chute 11 is arranged on the inner side wall of the axle hole 10, the shaft lever 3 passes through and penetrates out of the axle hole 10, a key sliding strip 12 in sliding fit with the key chute 11 is arranged on the side wall of the shaft lever, and the upper end and the lower end of the shaft lever 3 are both provided with a limiting disc;

through key spout 11 and key draw runner 12, realize the sliding connection of axostylus axostyle 3 and carousel 5, and then carousel 5 can follow axostylus axostyle 3 and reciprocate, makes the rotation that axostylus axostyle 3 drove carousel 5 simultaneously, through spacing dish 12, reciprocates to carousel 5 and carries on spacingly.

Referring to fig. 4 and 8, the injection molding mechanism comprises a lifting cylinder 13, an injection molding part 14, an injection molding cylinder 16 and a pressure head 17, wherein the lifting cylinder 13 and the injection molding part 14 are symmetrically erected in the upper layer of the left part of the machine body 1 in a left-right mode, the injection molding cylinder 16 is erected above the middle part of the injection molding part 14 through an injection molding support 15, the pressure head 17 is fixed at the output shaft end of the injection molding cylinder 16, fixing parts 18 fixedly connected with the output shaft end of the lifting cylinder 13 are arranged on the left outer side wall and the right outer side wall of the injection molding part 14, an injection molding cavity 19 matched with the pressure head 17 is formed in the upper side of the injection molding part 14, and a plurality of groups of injection molding nozzles 20 are formed in the bottom side of the injection molding cavity 19 at equal intervals;

in order to facilitate melting and heat preservation of the plastic in the injection molding cavity 19, a resistance heating pipe is arranged in an interlayer of the injection molding part 14, and meanwhile, in order to reduce heat dissipation of the injection molding cavity 19, improve melting rate and reduce electric quantity loss and protect cylinders such as the lifting cylinder 13 and the like, a heat-resistant heat preservation layer is arranged on the outer side wall of the injection molding part 14; when injection molding is carried out, the controller controls the two groups of lifting cylinders 13 to simultaneously drive the injection molding part 14 to descend to the injection molding height, the bottom side of the injection molding part 14 is in close contact with the upper side of the turntable 5, the bottom end of each group of injection molding nozzles 20 respectively corresponds to the upper end of the mold cavity 8 with the commutator segment groups arranged therein one by one, the controller controls the adjusting cylinder 23 again to open the injection molding nozzles 20, and simultaneously the controller controls the injection molding cylinders 16 to drive the pressure head 17 to move downwards in the injection molding cavity 19, so that the molten plastic base materials in the injection molding cavity 19 are respectively injected into the mold cavity 8 from the injection molding nozzles 20, and automatic injection molding is realized; after the injection is finished, the controller controls the adjusting cylinder 23 to close the injection molding nozzle 20 to prevent the molten plastic base material from leaking, and then controls the two groups of lifting cylinders 13 to simultaneously drive the injection molding part 14 to ascend to the initial height to enable the injection molding nozzle 20 to leave from the upper side of the mold cavity 8, so that the injection molding and compression molding of the commutator are realized.

Referring to fig. 2 and 8, the left upper side wall and the right upper side wall of the injection molding part 14 are symmetrically provided with guide parts 21 in the front and back directions, guide rods 22 corresponding to the guide parts 21 one by one are respectively erected in the upper layer of the left part of the machine body 1, and the guide rods 22 respectively penetrate through and penetrate out of the guide parts 21;

the guide rod 22 and the guide part 21 guide the injection molding part 14 to move up and down, so that the stability of the injection molding part 14 moving up and down is improved.

Referring to fig. 8-10, adjusting cylinders 23 are erected on the left and right sides of the top side of the injection molding part 14, rectangular grooves 24 are formed in the left and right inner side walls of the injection molding cavity 19, longitudinal frames 25 matched with the rectangular grooves 24 are arranged in the rectangular grooves 24 in a sliding mode, connectors 26 fixedly connected with the output ends of the adjusting cylinders 23 are vertically arranged at the top ends and back sides of the two groups of longitudinal frames 25, transverse frames 27 are fixedly connected between the bottom ends of the two groups of longitudinal frames 25, connecting rods 28 corresponding to the injection molding nozzles 20 one by one are arranged on the bottom sides of the transverse frames 27 at equal intervals, and end enclosures 29 matched with the injection molding nozzles 20 are arranged at the bottom ends of the connecting rods 28;

in order to prevent heat from being transferred to the adjusting cylinder 23 through the longitudinal frame 25 and affecting the operation of the adjusting cylinder 23, the connectors 26 are made of high-temperature-resistant plastic materials, so that the heat transfer is effectively prevented; the controller controls the adjusting cylinder 23 to drive the longitudinal frame 25 to move upwards, and the end enclosure 29 moves upwards in the injection molding nozzle 20 through the transverse frame 27 and the connecting rod 28, because the injection molding nozzle 20 is arranged to be in an inverted cone structure, and the end enclosure 29 is arranged to be in an inverted cone structure matched with the inverted cone structure, when the end enclosure 29 moves upwards, a gap is formed between the injection molding nozzle 20 and the end enclosure 29, then the molten plastic base material is extruded out of the injection molding nozzle 20 from the gap under the action of the pressure head 17, when the adjusting cylinder 23 drives the longitudinal frame 25 to move downwards, the end enclosure 29 moves downwards to the initial position, at the moment, the conical side wall of the end enclosure 29 is tightly attached to the side wall of the injection molding nozzle 20, so that the molten plastic base material is prevented from leaking when the compression molding piece 14 moves upwards, at the bottom side face of the end enclosure 29 is parallel to the bottom side face of the compression molding piece 14 at the moment, the influence on the top side face of the compression molding finished product is effectively reduced, and the quality of the compression molding finished product is improved.

Referring to fig. 1, the air cooling mechanism includes an air chamber 30 erected in the upper layer of the front part of the machine body 1 and an air blowing member arranged in the air chamber 30, the top end of the air chamber 30 passes through and penetrates out of the machine body 1, and an air inlet at the top end is provided with a dust-proof grid 31, and the bottom end is provided with an air outlet cover 32;

in order to avoid dust suction and improve the air cooling effect, the upper end and the lower end of the air chamber 30 are respectively provided with the dustproof grids 31 and the air outlet cover 32, meanwhile, the air blowing piece of the technical scheme selects an air blower, air above the machine body 1 is sucked into the machine body downwards, finished products passing through the area below the air outlet cover 32 are cooled by air, and the cooling speed of the finished products is accelerated.

Referring to fig. 11, the discharging mechanism includes a discharging chute 33 obliquely arranged in the lower right layer of the machine body 1, a material guide chute 34 obliquely erected on the upper middle side of the discharging chute 33, and a material guide frame 35 fixed on the left part of the material guide chute 34, a plurality of groups of push rods 36 are arranged in the middle of the lower discharging chute 33 at equal intervals, a rotating shaft is rotatably connected to the upper middle side of the material guide frame 35, a plurality of groups of elastic pieces 37 are arranged on the circumferential side wall of the middle part of the rotating shaft at equal angles, a driving pulley 38 is arranged at the front end of the rotating shaft, a motor 39 is erected on the top side of the machine body 1, a driving pulley is arranged at the output shaft end of the motor 39, and the driving pulley is in transmission fit with the driving pulley 38 through a belt 40;

when the compression cylinder 7 drives the turntable 5 to descend to the compression height, the mold cavity 8 at the position of the ejector rod 36 descends, so that a finished product in the mold cavity 8 is ejected, meanwhile, waste materials attached to the inner wall of the mold cavity 8 are ejected, and the ejector rod 36 is in clearance fit with the mold cavity 8 in order to remove the waste materials attached to the inner wall of the mold cavity 8; this organism 1 top and be close to driving pulley department and seted up the area mouth, and then be convenient for belt 40 to pass and wear out organism 1, cooperate driving pulley and driving pulley 38 through belt 40 transmission, make motor 39 realize the drive pivot, and then make a plurality of group's flexure strip 37 all rotate around the pivot, the extension size of this flexure strip 37 is greater than the perpendicular distance of pivot and carousel 5, and then when flexure strip 37 rotates around the pivot, it beats the surface of carousel 5, sweep ejecting finished product and waste material to guide chute 34, and then make finished product accessible baffle chute 34 fall into blown down tank 33, then can concentrate the collection to the finished product, the waste material can fall into blown down tank 33 from die cavity 8 simultaneously, in order to guide chute 34 with ejecting finished product, through setting up guide frame 35, ensure ejecting finished product guide chute 34.

Referring to fig. 12-14, the upper wafer reversing mechanism comprises a lower wafer cylinder 41 erected in an upper layer at the rear part of the machine body 1, a lower wafer rack 42 arranged at an output shaft end of the lower wafer cylinder 41, lower wafer rods 43 arranged at equal intervals on the lower side of the lower wafer rack 42, a conveyor belt 44 erected at the right side of the machine body 1, an upper wafer position 45 arranged at the front part of the conveyor belt 44, an upper wafer cylinder 46 arranged at the right side of the upper wafer position 45, a transmission cylinder 47 arranged at the left side of the conveyor belt 44, an upper wafer rack 48 connected to the rear side of the machine body 1 in a sliding manner, and a supporting plate cylinder 49 fixed in the left part of the upper wafer rack 48, wherein an output shaft end of the upper wafer cylinder 46 penetrates through the upper wafer position 45, a push plate 50 is arranged at the output shaft end of the upper wafer cylinder 46, the output shaft end of the transmission cylinder 47 is fixedly connected with the rear side wall of the upper wafer rack 48, a plurality of groups of upper wafer grooves 51 are uniformly arranged on the right side wall of the upper wafer rack 48, a supporting plate 52 is connected with a supporting plate 52 in a sliding manner, and a supporting plate 53 fixedly connected with an output shaft end of the supporting plate 49 is vertically arranged on the left side wall of the supporting plate 52;

the arranged commutator segment groups are sequentially transmitted to the upper segment position 45 from back to front through the conveyor belt 44, the controller controls the transmission cylinder 47 to drive the upper segment frame 48 to sequentially advance for a distance of an upper segment groove 51, so that each group of upper segment grooves 51 sequentially correspond to the upper segment position 45, when the upper segment groove 51 corresponds to the upper segment position 45, the controller controls the upper segment cylinder 46 to drive the push segment 50 to move towards the upper segment groove 51, the commutator segment groups positioned at the upper segment position 45 are pushed into the upper segment groove 51, then the upper segment cylinder 46 is controlled to drive the push segment 50 to retract to the initial position, under the action of the conveyor belt 44, the next group of commutator segment groups enter the upper segment position 45, so that the commutator segment groups are sequentially placed into the upper segment groove 51, after the compression molding cylinder 7 drives the turntable 5 to descend to the compression molding height, the controller simultaneously controls the transmission cylinder 47 to drive the upper segment frame 48 to move to the lower segment rod 43, so that each group of upper segment groove 51 respectively corresponds to the lower segment rod 43, then controls the cylinder 49 to move, so that the upper segment groove 51 simultaneously drives the lower segment cylinder 51 to move to the lower cylinder 41, and the upper segment control cylinder 41 drives the lower cylinder 41 to drive the commutator segment cylinder 41 to move, and the upper segment groups to move to the lower cylinder 41, and the upper segment groups respectively drive the upper segment control cylinder 41.

Referring to fig. 13-14, an opening 54 is formed in the right side wall of the upper sheet position 45, the push sheet 50 penetrates through the opening 54, and a baffle 55 is vertically arranged rightwards on the rear side wall of the push sheet 50; by the baffle 55, when the push piece 50 pushes the group of commutator segments in the upper segment position 45, the conveyor belt 44 is effectively prevented from conveying the group of commutator segments to the upper segment position 45, and when the push piece 50 retracts into the opening 54, the push piece 50 cannot prevent the conveyor belt 44 from conveying the group of commutator segments to the upper segment position 45.

The working principle is as follows: the die cavity groups at the positions of the die core 9, the air outlet cover 32, the ejector rod 36 and the lower piece rod 43 are respectively marked as a compression molding station, an air cooling station, a discharging station and an upper piece station, the turntable 5 is driven by the stepping motor 2 to rotate the transfer angle each time, so that the die cavity groups respectively and repeatedly pass through the compression molding station, the air cooling station, the discharging station and the upper piece station in sequence, after the die cavity groups enter the compression molding station, the controller (PLC) controls the compression molding cylinder 7 to drive the turntable 5 to move downwards to the compression molding station, the finished product at the discharging station is ejected by the ejector rod 36 at the moment, and is separated from the turntable 5 for centralized collection through the rotating elastic piece 37, then the controller controls the injection molding piece 14 to move downwards to the injection molding height for injection molding, and simultaneously controls the upper piece rack 48 to move to the upper piece station, controlling a lower piece cylinder 41 and a supporting plate cylinder 49 to enable the commutator segment groups to respectively enter a die cavity group positioned at an upper piece station, then controlling the lower piece cylinder 41, a transmission cylinder 47 and the supporting plate cylinder 49 to enable a lower piece rod 43, an upper piece frame 48 and a supporting plate frame 53 to reset, then controlling the transmission cylinder 47 and the upper piece cylinder 46 to place the commutator segment groups on the upper piece frame 48 again, after the injection molding is finished, controlling an injection molding piece 14 to move upwards to an initial height, then controlling a compression molding cylinder 7 to drive a turntable 5 to move upwards to the initial height, and then realizing compression molding to form a finished product, so that when the stepping motor 2 continuously drives the turntable 5 to rotate and transfer an angle, the continuous automatic compression molding to form a finished product is realized, and when the finished product passes through an air cooling station, the air cooling is carried out on the finished product, and the subsequent finished product discharging is facilitated; the rotary table 5 continuously and sequentially carries out reciprocating compression molding, air cooling, discharging and loading on the die cavity group to realize continuous automatic compression molding to form a finished product, air cooling and cooling are continuously and sequentially carried out on the finished product, the finished product is automatically ejected and discharged and collected in a centralized manner, and the commutator bar group is automatically arranged in the die cavity group of the loading station, so that automatic continuous compression molding is realized, the automatic discharging and collecting of the compression molded finished product are centralized, the compression molding efficiency is improved, and the labor intensity of workers is reduced.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an automatic compression moulding mould device of commutator, includes organism (1), its characterized in that: a transfer compression molding mechanism is arranged on the lower layer in the middle of the machine body (1) and used for transferring the arranged commutator bar groups, transferring the line changing plate groups to a compression molding station, performing compression molding to form finished products and transferring the finished products to an air cooling station and a discharging station in sequence;

an injection molding mechanism is arranged in the upper layer of the left part of the machine body (1) and is used for injecting hot-melt plastic matrix into a compression molding station to form a finished product;

an air cooling mechanism is arranged in the upper layer of the front part of the machine body (1) and is used for cooling the finished product by air cooling;

the lower layer in the right part of the machine body (1) is provided with a discharging mechanism which is used for taking a finished product out of the transfer compression molding mechanism and collecting the finished product in a centralized manner;

an upper commutator segment mechanism is arranged at the rear part of the machine body (1), and the arranged commutator segment groups are sequentially placed in a segment loading station;

the injection molding mechanism comprises a lifting cylinder (13) which is erected in the upper layer of the left part of the machine body (1) in a bilateral symmetry mode, an injection molding part (14), an injection molding cylinder (16) which is erected above the middle part of the injection molding part (14) through an injection molding support (15) and a pressure head (17) which is fixed at the output shaft end of the injection molding cylinder (16), fixing parts (18) which are fixedly connected with the output shaft end of the lifting cylinder (13) are arranged on the left outer side wall and the right outer side wall of the injection molding part (14), an injection molding cavity (19) which is matched with the pressure head (17) is formed in the upper side of the injection molding part (14), and a plurality of groups of injection molding nozzles (20) are formed in the bottom side of the injection molding cavity (19) at equal intervals;

all erect adjust cylinder (23) about injection molding (14) top side, rectangular channel (24) have all been seted up to inside wall about injection molding chamber (19), all slide in rectangular channel (24) and have indulge frame (25) of matcing with it, two sets of indulge frame (25) top and one side dorsad all be provided with perpendicularly with adjust cylinder (23) output fixed connection's connector (26), fixedly connected with crossbearer (27) between two sets of indulge frame (25) bottoms, crossbearer (27) bottom side is equidistant to be provided with and moulds plastics connecting rod (28) of mouth (20) one-to-one, connecting rod (28) bottom all be provided with mould plastics mouth (20) complex head (29).

2. The automatic commutator compression molding die device according to claim 1, wherein the transfer compression molding mechanism comprises a stepping motor (2) erected in the lower layer of the machine body (1), a shaft lever (3) fixed at the output shaft end of the stepping motor (2), a switching ring (4) located in the middle of the machine body (1), a turntable (5) rotatably connected in the switching ring (4), a tray (6) erected in the lower layer of the machine body (1) and located between the turntable (5) and the stepping motor (2), and a plurality of groups of compression molding cylinders (7) erected in the lower layer of the machine body (1) and arranged at equal angles, wherein an output shaft of the stepping motor (2) penetrates through the axis of the tray (6), the shaft lever (3) penetrates through the axis of the turntable (5) and is slidably connected with the turntable (5), the bottom side wall of the switching ring (4) is fixedly connected with the output shaft of the compression molding cylinders (7), a plurality of groups of die cavities are arranged at equal angles on the surface of the turntable (5), each group of die cavities is provided with a plurality of die cavities (8) arranged and a plurality of die cavities (9) are connected with a plurality of die cavities (8) at equal intervals.

3. The automatic compression molding die device for the commutator according to claim 2, wherein a shaft hole (10) is formed in the axis of the turntable (5), a key sliding groove (11) is formed in the inner side wall of the shaft hole (10), the shaft lever (3) penetrates through and penetrates out of the shaft hole (10), a key sliding strip (12) in sliding fit with the key sliding groove (11) is arranged on the side wall of the shaft lever, and limiting discs are arranged at the upper end and the lower end of the shaft lever (3).

4. The automatic compression molding die device for the commutator according to claim 1, wherein the left and right upper side walls of the injection molding part (14) are symmetrically provided with guide parts (21) from front to back, guide rods (22) corresponding to the guide parts (21) one to one are respectively erected in the upper layer of the left part of the machine body (1), and the guide rods (22) respectively penetrate through and penetrate out of the guide parts (21).

5. The automatic compression molding mould device of the commutator according to claim 1, wherein the air cooling mechanism comprises an air chamber (30) erected in the upper layer of the front part of the machine body (1) and an air blowing piece arranged in the air chamber (30), the top end of the air chamber (30) penetrates through and penetrates out of the machine body (1), an air inlet at the top end of the air chamber is provided with a dust-proof grid (31), and an air outlet cover (32) is arranged at the bottom end of the air chamber.

6. The automatic compression molding die device of the commutator according to claim 1, wherein the discharging mechanism comprises a discharging chute (33) obliquely arranged in the lower layer of the right part of the machine body (1), a guide chute (34) obliquely erected on the upper side of the middle part of the discharging chute (33), and a guide frame (35) fixed on the left part of the guide chute (34), a plurality of groups of push rods (36) are arranged in the middle part of the lower discharging chute (33) at equal intervals, a rotating shaft is rotatably connected to the upper side of the middle part of the guide frame (35), a plurality of groups of elastic pieces (37) are arranged on the circumferential side wall of the middle part of the rotating shaft at equal angles, a driving belt wheel (38) is arranged at the front end of the rotating shaft, a motor (39) is erected on the top side of the machine body (1), a driving belt wheel is arranged at the output shaft end of the motor (39), and the driving belt wheel is in transmission fit with the driving belt wheel (38) through a belt (40).

7. The automatic compression molding die device of the commutator according to claim 1, wherein the upper commutator mechanism comprises a lower sheet cylinder (41) erected in an upper layer at the rear part of the machine body (1), a lower sheet frame (42) arranged at an output shaft end of the lower sheet cylinder (41), lower sheet rods (43) arranged at the lower side of the lower sheet frame (42) at equal intervals, a conveyor belt (44) erected at the right side of the machine body (1), an upper sheet position (45) arranged at the front part of the conveyor belt (44), an upper sheet cylinder (46) arranged at the right side of the upper sheet position (45), a transmission cylinder (47) arranged at the left side of the conveyor belt (44), an upper sheet frame (48) connected at the rear side of the machine body (1) in a sliding manner, and a supporting plate cylinder (49) fixed in the left part of the upper sheet frame (48), the output shaft end of the upper sheet cylinder (46) penetrates through and penetrates through the upper sheet position (45), the output shaft end of the upper sheet cylinder (46) is provided with a push sheet (50), the output shaft end of the transmission cylinder (47) is fixedly connected with the rear side wall of the upper sheet frame (48), a plurality of supporting plate groups (52) are uniformly connected with the upper sheet frame (48), and a plurality of supporting plate groups (52) connected with the vertical side of the supporting plate frame (52) connected with the upper side of the upper sheet frame (48).

8. The automatic compression molding die device for the commutator, as claimed in claim 7, wherein the right side wall of the upper piece position (45) is provided with an opening (54), the push piece (50) passes through and out of the opening (54), and the rear side wall of the push piece (50) is provided with a baffle (55) vertically to the right.