CN113146216A - Positioning gasket screw machine - Google Patents

Abstract

The invention discloses a positioning gasket screw machine, aiming at solving the defect that the existing positioning gasket screw machine is difficult to accurately position and screw by a cylindrical machine barrel. The device comprises a jacking tool, a tooling plate for conveying a workpiece, a rotating disk, a positioning gasket mounting mechanism and a screw mechanism, wherein the positioning gasket mounting mechanism and the screw mechanism are connected to the rotating disk, an upper rotating die corresponding to the top of the workpiece is arranged above the tooling plate, the positioning gasket mounting mechanism and the screw machine are arranged along the radial direction of the axis of the upper rotating die, positioning holes for mounting positioning gaskets and screws are formed in the workpiece, and the included angle between the positioning gasket mounting mechanism and the screw machine is the same as the angle between adjacent positioning holes. The positioning gasket mounting mechanism and the screw machine are used for screwing workpieces, automation is achieved, accuracy is high, consistency is good, screws are screwed on the positioning gaskets, and stability is high.

Description

Positioning gasket screw machine

Technical Field

The invention relates to the field of automatic production of motors, in particular to a positioning gasket screw machine.

Background

The outer surface of the submersible and underwater motor is provided with a plurality of screw hole sites which are needed for fixing and positioning. In the traditional mode, the mode of manual processing is usually adopted, but because the barrel of dive motor is cylindricly, the alignment is beaten the screw and is caused the direction just easily, twist the number of times not enough and read more and cause phenomenons such as smooth silk. The oil, especially the shape of the machine barrel, causes that the alignment processing can be carried out only by manual work needing to carry out positioning, and the defects bring low consistency of products and low production efficiency. In view of the above, an automated screwing method is needed.

Chinese patent publication No. CN209239452U, entitled double-station automatic screw driving machine, the application discloses automatic screw machine of beating in duplex position, which comprises a worktable, the board is provided with first screw mechanism of beating side by side, screw mechanism and defective products conveying mechanism are beaten to the second, first screw mechanism of beating, the second is beaten the screw mechanism and is provided with material transport mechanism with defective products conveying mechanism's below, first screw mechanism of beating is beaten the screw mechanism structure the same with the second, first screw mechanism of beating is including supporting the chassis, one side of supporting the chassis is provided with first electric jar, the power take off end drive of first electric jar is connected with the movable plate, the one end of movable plate is provided with the slider, the opposite side of supporting the chassis is provided with the guide rail with slider sliding connection, the movable plate is provided with screw drive mechanism, screw drive mechanism's power take off end drive is connected with the device of beating, the side of the device of beating is provided with the CCD detector. A disadvantage of this device is that it is difficult to achieve accurate positioning for cylindrical structures such as barrels.

Disclosure of Invention

The invention overcomes the defect that the existing positioning gasket screw machine is difficult to accurately position and screw a cylindrical machine barrel, and provides the positioning gasket screw machine which can efficiently position, add a positioning gasket and screw the machine barrel.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a positioning pad screw machine, includes the jacking frock, be used for carrying the frock board of work piece, the rotary disk, connect positioning pad installation mechanism and screw mechanism on the rotary disk, frock board top is equipped with the upper portion rotary die that corresponds with the work piece top, positioning pad installation mechanism arranges along the radial direction in upper portion rotary die axle center with the screw machine, is equipped with the locating hole that is used for installing positioning pad and screw on the work piece, positioning pad installation mechanism is the same with the angle between the adjacent locating hole with the screw machine contained angle.

The manipulator prevents the cylindrical machine barrel from reaching the tooling plate, and the tooling plate is provided with a positioning pin corresponding to the machine barrel, and the positioning pin and the tooling plate are fixed relatively. Jacking frock lifting frock board to barrel and upper portion rotary die position of frock board below, the barrel is the work piece, is equipped with corresponding structure with upper portion rotary die, and the two gomphosis realizes the location. The rotating disc rotates relative to the workpiece, here in the form of a barrel that remains stationary, while the rotating disc rotates relative to the barrel. When the workpiece is embedded with the upper rotating die, the positioning hole on the side wall of the workpiece, the positioning gasket mounting mechanism and the screw machine are at the same height position. The positioning gasket mounting mechanism and the screw machine have the same angle with the adjacent positioning hole, and the effect is that after the positioning gasket of the positioning hole is mounted and the angle of the adjacent positioning hole of the rotating disk is rotated, the screw machine is directly faced by the screw machine with the positioning gasket mounted, the next step can be performed in good and popular mode, and the positioning hole in the direction opposite to the rotating disk can be just rotated to the position opposite to the positioning gasket mounting mechanism. The positioning gasket and the screw are both sent to a required position by an external manipulator. By adopting the automatic positioning gasket mounting mechanism and the screw machine, the tolerance range of interference fit between the positioning gasket and the positioning hole and the torque force of a screw driven by the screw machine can be controlled within the design range.

Preferably, the device also comprises a rack, the rotating disc is rotatably connected to the rack, a driving mechanism is arranged at the top of the rack, and a driving shaft of the driving mechanism is in transmission connection with the axis of the rotating disc. The rotation of the rotating disk is realized by a driving mechanism, the driving mechanism comprises a driving motor and a speed reducer, the driving motor provides power, and the driving motor is exemplified by a stepping motor. The transmission shaft that the reduction gear stretches out is the rotating transmission shaft, and the outside cover of rotating transmission shaft has the position sleeve of rotating the connection relatively to the rotating transmission shaft, and position sleeve fixed connection is at the top of frame, connects through the bearing between the two. The rotary transmission shaft is fixedly connected with the rotary disc, and the lower part of the rotary transmission shaft is rotatably connected with an upper rotary die through a bearing. This structure realizes accurate rotation of the rotating disk.

Preferably, the rack is provided with a rolling support member, one end of the rolling support member is fixedly connected to the rack, the other end of the rolling support member is supported on the bottom surface of the rotating disk, and the rolling support member and the rotating disk are in dynamic friction. The structure is used for assisting in supporting the rotating disk, and the rolling support piece is provided with a rotating roller which is arranged on the periphery of the rotating disk and is in rolling butt joint with the rotating disk. The structure reduces the bearing capacity of the driving shaft of the driving mechanism, ensures the level of the rotating disk and improves the precision of the device.

Preferably, a gasket mounting plate is fixedly connected to the rotating disk, a gasket guide rail arranged in the radial direction of the rotating disk is arranged on the gasket mounting plate, an in-place cylinder is fixedly connected to a gasket fixing plate, a telescopic end of the in-place cylinder is fixedly connected to the impact plate, an impact plate is slidably connected to the gasket guide rail, a positioning gasket mounting mechanism is arranged on the impact plate and comprises an air hammer and an impact angle, the air hammer is in telescopic connection with the impact angle, a gasket guide block is fixedly connected to the impact angle and is slidably connected to the gasket guide rail, a braking plate is fixedly connected to one end, far away from the air hammer, of the impact plate, a braking groove is formed in the braking plate and is formed by communicating a first groove and a second groove which are parallel to the telescopic direction of the impact angle, an included angle is formed between the second groove and the telescopic direction of the impact angle, and a braking rod slidably connected to the first groove is arranged on the gasket guide block.

The positioning pad is sent to the positioning hole by the manipulator. The in-place cylinder on the positioning gasket is used for conveying the attack angle to a specified position, then the air hammer supplies air to impact the attack angle on the positioning gasket, and the positioning gasket is driven into the positioning hole. The impact plate realizes the radial movement of the rotating disc through the gasket guide rail. The movement of the telescopic end of the in-place cylinder directly drives the movement of the impact plate. The gasket guide block has two effects, and the direction of motion of the angle of attack is guaranteed at first to be the same with the radial direction of rotary disk, because the angle of attack stretches out more, rocks easily, and this structure can avoid it to rock, and the second effect plays limiting displacement, and this structure can avoid the angle of attack to stretch out too much and cause the magnitude of interference of locating pad and locating hole too big. When the air hammer works, the collision angle drives the gasket guide block to slide on the gasket guide rail, the gasket guide block and the brake groove move relatively, and the brake rod cannot move continuously after reaching the interference position in the second groove to complete braking.

Preferably, the screw machine comprises a screw table fixedly connected to the rotating disk, a beak feeding cylinder, a screwdriver feeding cylinder, a rotating motor and a screw guide rail connected to the screw table, the screw guide rail is arranged along the radial direction of the rotating disk, a first slider and a second slider are arranged on the screw guide rail, the beak feeding cylinder is telescopically connected with a beak telescopic shaft, the beak telescopic shaft slides and passes through the first slider and is fixedly connected to the second slider, the rotating motor is in transmission connection with a first rotating shaft, a second rotating shaft is inserted and slides in the first rotating shaft, the second rotating shaft rotates synchronously with the first rotating shaft, the second rotating shaft rotates relative to the first slider and slides on the screw guide rail along with the first slider, the screwdriver feeding cylinder is telescopically connected with a screwdriver telescopic shaft, the screwdriver telescopic shaft drives the first slider to move, and a first anti-collision spring is sleeved on the screwdriver telescopic shaft, the first anti-collision spring is abutted between the first sliding block and the screwdriver feeding cylinder.

The end part of the second transmission shaft connected with the rotating motor is connected with a beak, and an air blowing pipe is arranged on the beak. The feeding structure for feeding the screw to the beak position is a conventional feeding structure, and is commonly used in a conventional screw machine, and therefore, is not described herein. The bird's beak is inserted on the second slider, and the second axis of rotation is inserted on the bird's beak and drives the bird's beak and rotates. During operation, firstly, the beak feeding cylinder works, the corresponding beak telescopic shaft is extended to drive the second sliding block to move forwards, and the structure drives the beak to move in place. Then the rotating motor rotates to drive the first rotating shaft to rotate, and the first rotating shaft drives the second rotating shaft to rotate. When the screw is screwed, the screw can displace along with rotation, and in order to adapt to the displacement, the cross knife on the beak also needs to move correspondingly. Therefore, the screwdriver feeding cylinder works, the corresponding screwdriver telescopic shaft extends to drive the first sliding block to move, the second rotating shaft and the first sliding block rotate relatively and slide on the screw guide rail along with the first sliding block, and the specific structure is that a bearing is fixedly connected to the second rotating shaft and fixedly connected with the first sliding block. The first sliding block is provided with a through hole passing through the screwdriver telescopic shaft, and the first sliding block feeds under the action of the screwdriver telescopic shaft. First anticollision spring is used for avoiding at the excessive speed when returning back, causes first slider striking to feed on the face that cylinder, screwdriver feed cylinder, rotation motor place are fed at the beak.

Preferably, the beak telescopic shaft is sleeved with a second anti-collision spring, and the second anti-collision spring is abutted between the second slider and the first slider. The structure is used for avoiding the phenomenon that the feeding amount is too fast and the impact is generated.

Preferably, the first sliding block is fixedly connected with a screw guide shaft, and the screw guide shaft is inserted on the second sliding block. The structure plays a guiding role and ensures the stability of the beak.

Preferably, the first sliding block is provided with a light barrier, the screw platform is provided with a photoelectric door passing through the light barrier, and the photoelectric door is electrically connected with the screwdriver feeding cylinder. The structure is used for indicating the feeding amount position of the beak.

Preferably, the positioning holes in the workpiece are arranged on the periphery of the workpiece at equal intervals, the included angle between every two adjacent positioning holes is 90 degrees, the positioning gasket mounting mechanisms and the screw mechanisms on the rotating disc are alternately arranged, and the included angle between every two adjacent devices is 90 degrees. When the positioning holes are arranged in the above way, the opposite positioning gasket mounting mechanisms work firstly, the positioning gaskets are driven into the positioning holes, then the corresponding screws are driven into the positioning holes by a screw machine after the positioning holes are rotated by 90 degrees, at the moment, the positioning gasket mounting mechanisms mount the positioning gaskets on the positioning holes, and then the positioning holes are rotated by 90 degrees to mount the screws. The structure has high efficiency.

Preferably, the top of the rack is connected with a plurality of limiting columns, the limiting columns are arranged corresponding to the rotating disc, the rotating disc is fixedly connected with a plurality of anti-collision blocks corresponding to one side of the rack, and the anti-collision blocks are connected with the induction shaft in a telescopic mode towards one end of the top of the rack. The structure can indicate the jacking height of the jacking mechanism, and an alarm can be given when the jacking mechanism is too high. The induction shaft is electrically connected with the jacking tool.

Preferably, the jacking tool comprises a lifting mechanism and a guide shaft, the telescopic shaft of the lifting mechanism is connected to the bottom of the tool plate in a transmission mode, the guide shaft is connected to each corner position of the tool plate, and the guide shaft is connected to the bottom of the rack in an inserted and sliding mode. The lifting mechanism comprises a stepping motor and a transmission mechanism connected with the stepping motor, the transmission mechanism is rotatably connected with a screw rod shaft, and the shaft screw rod shaft is lifted relative to the stepping motor so as to drive the jacking plate to move.

Compared with the prior art, the invention has the beneficial effects that: (1) the positioning gasket mounting mechanism and the screw machine are used for screwing the workpiece, so that the automation is realized, the precision is high, and the consistency is good; (2) the screws are punched on the positioning gaskets, so that the stability is high.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an enlarged view of FIG. 1A;

FIG. 3 is a perspective view of the rotary plate, frame top and drive mechanism of the present invention;

FIG. 4 is a cross-sectional view of the rotary disk and drive mechanism of the present invention;

FIG. 5 is a perspective view of the spacer mounting mechanism of the present invention;

FIG. 6 is a perspective view of the screw mechanism of the present invention;

in the figure:

the device comprises a lifting mechanism A1, a guide shaft A2, a tooling plate A3, a rotating disc A4, an upper rotating die A5, a limiting column A6, an anti-collision block A7, an induction shaft A8, a driving motor A9, a speed reducer A10, a rotating transmission shaft A11, a positioning sleeve A12, a rolling support A13, a roller A14 and a rack A15;

a shim mounting plate B1, a shim guide rail B2, a positioning cylinder B3, an impact plate B4, an air hammer B5, an attack angle B6, a shim guide block B7, a brake plate B8, a first groove B9, a second groove B10 and a brake lever B11;

the device comprises a screw table C1, a bird's beak feeding cylinder C2, a screwdriver feeding cylinder C3, a rotating motor C4, a screw guide rail C5, a first slider C6, a second slider C7, a bird's beak telescopic shaft C8, a first rotating shaft C9, a second rotating shaft C10, a screwdriver telescopic shaft C11, a first anti-collision spring C12, a second anti-collision spring C13, a screw guide shaft B14, a photoelectric door C15, a light barrier C16 and a bird's beak C17.

Detailed Description

The present disclosure is further described with reference to the following drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.

In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.

Example (b):

a positioning gasket screw machine is shown in figure 1, wherein figure 1 is a visual meter, a beam column and the bottom of a machine frame are omitted at two angular points of a machine frame A15, the positioning gasket screw machine comprises a jacking tool, a tooling plate A3 for conveying a workpiece, a rotary disk A4, a positioning gasket mounting mechanism and a screw mechanism, the positioning gasket mounting mechanism and the screw mechanism are connected to the rotary disk A4, an upper rotary die A5 corresponding to the top of the workpiece is arranged above the tooling plate A3, the positioning gasket mounting mechanism and the screw machine are arranged along the radial direction of the axis of an upper rotary die A5, positioning holes for mounting positioning gaskets and screws are formed in the workpiece, and the included angle between the positioning gasket mounting mechanism and the screw machine is the same as the angle between adjacent positioning holes. Specifically, the positioning holes in the workpiece are arranged on the periphery of the workpiece at equal intervals, the included angle between every two adjacent positioning holes is 90 degrees, the positioning gasket mounting mechanisms and the screw mechanisms on the rotating disc A4 are arranged alternately, and the included angle between every two adjacent devices is 90 degrees. When the positioning holes are arranged in the above way, the opposite positioning gasket mounting mechanisms work firstly, the positioning gaskets are driven into the positioning holes, then the corresponding screws are driven into the positioning holes by a screw machine after the positioning holes are rotated by 90 degrees, at the moment, the positioning gasket mounting mechanisms mount the positioning gaskets on the positioning holes, and then the positioning holes are rotated by 90 degrees to mount the screws. The structure has high efficiency.

As shown in fig. 3 and 4, the device further comprises a frame a15, the rotating disc a4 is rotatably connected to the frame a15, a driving mechanism is arranged at the top of the frame a15, and a driving shaft of the driving mechanism is in transmission connection with the axis of the rotating disc a 4. The rotation of the rotating disk a4 is achieved by a drive mechanism including a powered drive motor a9 and a reducer a10, the drive motor a9 being exemplified by a stepper motor. The transmission shaft extending out of the speed reducer A10 is a rotary transmission shaft A11, a positioning sleeve A12 which is rotatably connected with the rotary transmission shaft in a relative selection mode is sleeved outside the rotary transmission shaft A11, the positioning sleeve A12 is fixedly connected to the top of the rack A15, and the positioning sleeve A12 and the rack A15 are connected through a bearing. The rotary transmission shaft A11 is fixedly connected with the rotary disc A4, and the lower part of the rotary transmission shaft A11 is rotatably connected with an upper rotary die A5 through a bearing. This structure achieves accurate rotation of the rotating disk a 4. The rack A15 is provided with a rolling support member A13, one end of the rolling support member A13 is fixedly connected to the rack A15, the other end of the rolling support member A13 is supported on the bottom surface of the rotating disk A4, and the rolling support member A13 and the rotating disk A4 are in dynamic friction. The structure is used for assisting in supporting the rotating disk A4, and the rolling support piece A13 is provided with a rotating roller A14 which is arranged on the periphery of the rotating disk A4 and is in rolling contact with the rotating disk A4. The structure reduces the bearing force of the driving shaft of the driving mechanism, ensures the level of the rotating disk A4 and improves the precision of the device. The top of the rack A15 is connected with a plurality of limiting columns A6, the limiting columns A6 are arranged corresponding to the rotating disc A4, one side of the rotating disc A4, which corresponds to the rack A15, is fixedly connected with a plurality of anti-collision blocks A7, and one end, facing the top of the rack A15, of each anti-collision block A7 is telescopically connected with an induction shaft A8. The structure can indicate the jacking height of the jacking mechanism, and an alarm can be given when the jacking mechanism is too high.

As shown in fig. 2, the jacking tool comprises a lifting mechanism a1 and a guide shaft a2, wherein a telescopic shaft of the lifting mechanism a1 is in transmission connection with the bottom of a tool plate A3, the guide shaft a2 is connected with each corner position of the tool plate A3, and the guide shaft a2 is inserted into and slidably connected with the bottom of a frame a 15. The lifting mechanism A1 comprises a stepping motor and a transmission mechanism connected with the stepping motor, the transmission mechanism is rotatably connected with a screw shaft, and the screw shaft lifts relative to the stepping motor so as to drive the jacking plate to move.

The manipulator prevents the cylindrical barrel from being placed on a tooling plate A3, and a positioning pin corresponding to the barrel is arranged on the tooling plate A3 and is fixed relatively to the barrel. Jacking frock below frock board A3 lifts frock board A3 to barrel and upper portion rotary die A5 position, and the barrel is the work piece promptly, is equipped with corresponding structure with upper portion rotary die A5, and the two gomphosis realizes the location. The rotating disk a4 rotates relative to the workpiece, here in the form of a barrel that remains stationary while the rotating disk rotates relative to the barrel. When the workpiece is fitted to the upper rotary die a5, the positioning hole in the side wall of the workpiece is at the same height as the positioning pad mounting mechanism and the screw machine. The same effect of the angle between the positioning gasket mounting mechanism and the screw machine and the angle between the adjacent positioning holes is that after the positioning gasket of a positioning hole is mounted and the angle between the adjacent positioning holes of the rotating disc A4 is rotated, the screw machine with the positioning gasket mounted is just over against the screw machine, the next step can be carried out in good and popular mode, and the positioning hole in the direction opposite to the rotating disc A4 is just rotated to the position corresponding to the positioning gasket mounting mechanism. The positioning gasket and the screw are both sent to a required position by an external manipulator. By adopting the automatic positioning gasket mounting mechanism and the screw machine, the tolerance range of interference fit between the positioning gasket and the positioning hole and the torque force of a screw driven by the screw machine can be controlled within the design range.

As shown in fig. 5, a shim mounting plate B1 is fixedly connected to the rotating disk A4, a shim guide rail B2 arranged in the radial direction of the rotating disk A4 is arranged on the shim mounting plate B1, a positioning cylinder B3 is fixedly connected to the shim fixing plate, a telescopic end of the positioning cylinder B3 is fixedly connected to the impact plate B4, an impact plate B4 is slidably connected to the shim guide rail B2, a positioning shim mounting mechanism is arranged on the impact plate B4, the positioning shim mounting mechanism comprises an air hammer B5 and an impact angle B6, an air hammer B5 is fixedly connected to the impact angle B6 in a telescopic manner, a shim guide block B6 is fixedly connected to the impact angle B6, the shim guide block B6 is slidably connected to the shim guide rail B6, a braking plate B6 is fixedly connected to one end of the impact plate B6 far away from the air hammer B6, a braking groove B6 is arranged on the braking plate B6, the braking groove is formed by communicating a first groove B6 and a second groove B6 parallel to the impact angle B6, the pad guide block B7 is provided with a brake lever B11 slidably coupled in the first slot B9.

The positioning pad is sent to the positioning hole by the manipulator. The positioning air cylinder B3 on the positioning gasket is used for sending the attack angle B6 to a designated position, then the air hammer B5 supplies air to impact the attack angle B6 on the positioning gasket, and the positioning gasket is driven into the positioning hole. The striking plate B4 effects movement of the rotating disk a4 in the radial direction via shim guide rails B2. The movement of the telescopic end of the positioning cylinder B3 directly drives the movement of the impact plate B4. The gasket guide block B7 has two effects, guarantee at first that the direction of motion of attack angle B6 is the same with the radial direction of rotary disk A4, because the attack angle B6 stretches out more, rock easily, and this structure can avoid it to rock, and the second effect plays limiting displacement, and this structure can avoid attack angle B6 to stretch out too much and cause the magnitude of interference of locating pad and locating hole too big. When the air hammer B5 works, the striker drives the pad guide block B7 to slide on the pad guide rail B2, the pad guide block B7 and the braking groove move relatively, and the brake lever B11 cannot move continuously after reaching the interference position in the second groove B10, so that the brake is completed.

As shown in fig. 6, the screw machine includes a screw table C1 fixedly connected to a rotating disk a4, a beak feed cylinder C2, a screwdriver feed cylinder C3, a rotating motor C4, and a screw guide rail C5 connected to a screw table C1, the screw guide rail C5 is arranged along the radial direction of the rotating disk a4, a first slider C6 and a second slider C7 are provided on the screw guide rail C5, the beak feed cylinder C2 is telescopically connected with the beak telescopic shaft C8, the beak telescopic shaft C8 slides and passes through the first slider C6 and is fixedly connected to the second slider C7, the rotating motor C4 is drivingly connected with a first rotating shaft C9, a second rotating shaft C10 is inserted and slides in the first rotating shaft C9, the second rotating shaft C10 rotates synchronously with the first rotating shaft C9, the first rotating shaft hole is kidney-shaped, and the outer diameter of the second rotating shaft is the same as the inner diameter of the first rotating shaft. The second rotating shaft C10 and the first slider C6 relatively rotate and slide on the screw guide rail C5 along with the first slider C6, the screwdriver feeding cylinder C3 is telescopically connected with a screwdriver telescopic shaft C11, the screwdriver telescopic shaft C11 drives the first slider C6 to move, a first anti-collision spring C12 is sleeved on the screwdriver telescopic shaft C11, and the first anti-collision spring C12 abuts between the first slider C6 and the screwdriver feeding cylinder C3.

The end part of the second transmission shaft connected with the rotating motor C4 is connected with a beak C17, and the beak C17 is provided with an air blowing pipe. The feeding mechanism for feeding the screw to the beak C17 is a conventional mechanism, and is not described herein since it is common to conventional screw machines. The beak C17 is inserted on the second slider C7, and the second rotating shaft C10 is inserted on the beak C17 and drives the beak C17 to rotate. When the bird beak feeding cylinder C2 works, the corresponding bird beak telescopic shaft C8 is extended to drive the second slide block C7 to move forwards, and the structure drives the bird beak to move in place. Then, the rotating motor C4 rotates to rotate the first rotating shaft C9, and the first rotating shaft C9 rotates the second rotating shaft C10. When the screw is screwed, the screw will be displaced along with the rotation, and in order to adapt to the displacement, the batch head on the beak C17 needs to be correspondingly moved. Therefore, the screwdriver feeding cylinder C3 works, the corresponding screwdriver telescopic shaft C11 extends to drive the first sliding block C6 to move, the second rotating shaft C10 rotates relative to the first sliding block C6 and slides on the screw guide rail C5 along with the first sliding block C6, and the specific structure is, for example, the second rotating shaft C10 is fixedly connected with a bearing which is fixedly connected with the first sliding block C6. The first slide block C6 is provided with a through hole which passes through the screwdriver telescopic shaft C11, and the first slide block C6 feeds under the action of the screwdriver telescopic shaft C11. The first anti-collision spring C12 is used for avoiding that the first slide block C6 is collided on the board where the bird's beak feeding cylinder C2, the screwdriver feeding cylinder C3 and the rotating motor C4 are positioned when the first anti-collision spring C12 is too fast in retraction. The beak telescopic shaft C8 is sleeved with a second anticollision spring C13, and the second anticollision spring C13 is abutted between the second slide block C7 and the first slide block C6. The structure is used for avoiding the phenomenon that the feeding amount is too fast and the impact is generated. The first slide block C6 is fixedly connected with a screw guide shaft C14, and the screw guide shaft C14 is inserted on the second slide block C7. The structure plays a guiding role and ensures the stability of the bird beak C17. The first sliding block C6 is provided with a light barrier C16, the screw platform C1 is provided with a photoelectric door C15 passing through the light barrier C16, and the photoelectric door is electrically connected with the screw feeding cylinder C3. The structure is used for indicating the feeding amount position of the beak.

The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the appended claims.

Claims (9)

1. The utility model provides a positioning pad screw machine, characterized by, including the jacking frock, be used for carrying the frock board of work piece, the rotary disk, connect positioning pad installation mechanism and screw mechanism on the rotary disk, frock board top is equipped with the upper portion rotary die that corresponds with the work piece top, rotary disk and work piece rotate relatively, positioning pad installation mechanism arranges along the radial direction in upper portion rotary die axle center with the screw machine, be equipped with the locating hole that is used for installing positioning pad and screw on the work piece, the angle that positioning pad installation mechanism and screw machine pressed from both sides is the same with the angle between the adjacent locating hole.

2. A set screw machine according to claim 1, further comprising a frame, wherein the frame is provided with a rolling support member, one end of the rolling support member is fixedly connected to the frame, the other end of the rolling support member is supported on the bottom surface of the rotating disc, and the rolling support member is in dynamic friction with the rotating disc.

3. The machine for positioning the washer and the screw as claimed in claim 1, wherein the rotary disc is fixedly connected with a washer mounting plate, the washer mounting plate is provided with a washer guide rail arranged in the radial direction of the rotary disc, the washer fixing plate is fixedly connected with a positioning cylinder, the telescopic end of the positioning cylinder is fixedly connected with an impact plate, the washer guide rail is slidably connected with the impact plate, the positioning washer mounting mechanism is arranged on the impact plate and comprises an air hammer and an impact angle, the air hammer is telescopically connected with the impact angle, the impact angle is fixedly connected with a washer guide block, the gasket guide block is connected to the gasket guide rail in a sliding mode, a brake plate is fixedly connected to one end, far away from the air hammer, of the impact plate, a brake groove is formed in the brake plate and formed by communicating a first groove and a second groove which are parallel to the telescopic direction of the attack angle, an included angle is formed between the second groove and the telescopic direction of the attack angle, and a brake rod connected into the first groove in a sliding mode is arranged on the gasket guide block.

4. A positioning washer screw machine as claimed in claim 1, characterized in that the screw machine comprises a screw table fixedly attached to the rotary disk, a beak feed cylinder, a screw driver feed cylinder, a rotary motor, and a screw guide rail attached to the screw table, the screw guide rail being arranged in a radial direction of the rotary disk, the screw guide rail being provided with a first slider and a second slider, the beak feed cylinder being telescopically connected to a beak extension shaft, the beak extension shaft sliding and passing through the first slider and being fixedly attached to the second slider, the rotary motor being drivingly connected to a first rotary shaft, the first rotary shaft being inserted and sliding therein with a second rotary shaft rotating synchronously with the first rotary shaft, the second rotary shaft rotating relatively to the first slider and sliding with the first slider on the screw guide rail, the screw driver feed cylinder being telescopically connected to a screw driver extension shaft, the screw driver extension shaft driving the first slider to move, the screwdriver telescopic shaft is sleeved with a first anti-collision spring, and the first anti-collision spring is abutted between the first sliding block and the screwdriver feeding cylinder.

5. A set washer screw machine as claimed in claim 4, wherein the beak extension shaft is sleeved with a second anti-collision spring, and the second anti-collision spring abuts between the second slider and the first slider.

6. A set screw machine according to claim 4, wherein the first slide block is fixedly connected with a screw guide shaft, and the screw guide shaft is inserted into the second slide block.

7. A set-top box screw machine according to any one of claims 4 to 6, wherein a light barrier is provided on the first slide, and an electro-optical gate is provided on the screw table through the light barrier, the electro-optical gate being electrically connected to the screwdriver feed cylinder.

8. A set-point washer screw machine as claimed in claim 1, wherein the set-point holes in the workpiece are equally spaced around the periphery of the workpiece, the angle between adjacent set-point holes is 90 degrees, the set-point washer mounting means and the screw means on the rotating disk are alternately arranged and the angle between adjacent devices is 90 degrees.

9. The machine for positioning the washer and the screw as claimed in claim 2, wherein a plurality of limiting posts are connected to the top of the frame, the limiting posts are arranged corresponding to the rotating disc, a plurality of anti-collision blocks are fixedly connected to one surface of the rotating disc corresponding to the top of the frame, and the anti-collision blocks are connected with the induction shaft in a telescopic manner at one end facing the top of the frame.

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