CN114619063A - Mechanical chuck clamp and workpiece double-face assembling machine - Google Patents

Abstract

The invention relates to a mechanical chuck clamp, which comprises a mounting plate and a clamping plate, the mounting plate and the clamping plate are connected by a connecting rod, a positioning pin is arranged on the surface of the clamping plate, and an operator can rotate the clamping plate through the positioning pin, Compared with the existing mechanical chuck fixture, the operation is more convenient, and the operator can simultaneously process the workpiece on both sides, In order to improve the processing efficiency. The invention also relates to a workpiece double-sided assembly machine, which adopts a mechanical chuck fixture to realize the clamping of the workpiece, and the operator can simultaneously assemble the double-ended screw through the assembly components on both sides of the workpiece, thereby improving the prevention and control of the workpiece. The assembly speed of the falling device reduces the labor intensity of the operator.

Description

A mechanical chuck fixture and a workpiece double-sided assembly machine

technical field

The invention relates to a clamp, in particular to a mechanical chuck clamp, and also to a double-sided assembly machine for workpieces.

Background technique

As a tooling fixture, chuck jaws are widely used in industrial production. The existing mechanical chuck jaws are mainly used on the spindle heads of industrial equipment to perform rotary processing on one side of the parts, such as car-mounted chucks, etc. "Three-jaw chuck that can realize quick clamping" is a Chinese patent, including a base and a moving plate. The surface of the moving plate is slidably provided with clamping jaws. The clamping jaws can move radially through the slider at the bottom and the curved groove on the base. Then the workpiece is clamped. The chuck jaws of this structure, due to their large axial dimension and thickness, are installed on the spindle head of industrial equipment during use, so only one side of the workpiece can be processed during processing, and the clamping speed is also relatively high. Slow, the operator needs to use a special tool wrench to clamp the workpiece during clamping, thereby reducing the processing efficiency of the workpiece. For example, for the anti-fall assembly machine used for processing anti-fall devices, through the existing chuck jaws, the operator can only install one part automatically on one end of the double-ended screw by rotating the drive device, and then manually In this way, the other pair will be installed on the other end of the double-ended screw, and the processing efficiency of this assembly method is low.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned technical problems, the purpose of the present invention is to provide a mechanical chuck fixture that is convenient for processing equipment to process the workpiece from both sides. Double-sided assembly machine for tall workpieces.

The mechanical chuck clamp of the present invention includes a mounting plate and a clamping plate. The middle of the mounting plate and the clamping plate is provided with perforations. The surface of the mounting plate is provided with at least two radial grooves. The clamping jaws of the installation disc slidingly fit, the surface of the clamping disc is provided with a circular arc hole, and the inner side of the clamping disc is also provided with a curved groove with one end close to the outer edge of the clamping disc and the other end close to the center of the clamping disc. The clamping jaw is provided with a slider located in the curved groove, and the mechanical chuck clamp also includes a connecting rod and a positioning pin, one end of the connecting rod is connected with the mounting plate, and the other end of the connecting rod passes through the circle of the clamping plate. The arc hole is connected with the limiting plate, and the two ends of the positioning pin are respectively arranged on the mounting plate and the clamping plate.

The advantage of the mechanical chuck clamp is that the mounting plate and the clamping plate are connected by a connecting rod, and the radial limit of the clamping plate is realized by the limit plate at the end of the connecting rod, so as to prevent the radial movement when it rotates. . The setting of the positioning pin enables the operator to manually adjust the relative position between the clamping plate and the mounting plate through the positioning pin, and drives the clamping jaw to slide along the radial groove to clamp the workpiece between multiple clamping jaws. The operation is very convenient. Compared with the existing chuck fixture, its adjustment is more convenient, and at the same time, after clamping, the operator can drive the clamping plate to rotate through the mounting plate, which is convenient for the processing equipment to process the workpiece from both sides at the same time, thereby improving the processing efficiency. efficiency.

Further, in the mechanical chuck clamp of the present invention, the locating pin is a spring locating pin, the fixing part of the spring locating pin is arranged on the clamping plate, and the pin of the spring locating pin is arranged in the locating hole on the surface of the mounting plate.

The setting of the spring positioning pin is convenient for the operator to connect the mounting plate and the clamping plate through the spring positioning pin. At the same time, the operator can also rotate the clamping plate through the spring positioning pin. It is a standard part, and its specific structure and principle will not be repeated here. .

Further, in the mechanical chuck clamp of the present invention, the connecting rod includes a screw rod and a guide rod, the guide rod is located in the arc hole of the clamping disk, the outer end of the guide rod is connected with the limit plate, and the end of the bolt extends from the mounting disk. The outer side is inserted into the mounting hole on the mounting plate and screwed with the guide rod.

The screw and guide rod assembly is used as the connecting rod, which is convenient for the operator to connect the mounting plate and the clamping plate.

Further, in the mechanical chuck clamp of the present invention, the end face of the clamping jaw is a V-shaped end face.

The clamping jaws on the V-shaped end face enable it to clamp workpieces with a six-sided column structure in the middle.

Further, the mechanical chuck fixture of the present invention also includes a driving wheel, a bearing and a bearing seat, the driving wheel, the bearing and the bearing seat are all annular structures, and two sides of the bearing seat are respectively provided with One side of the driving wheel is fixed on the surface of the mounting plate, the other side of the driving wheel is fixed with the rotating part of the bearing, and the bearing is arranged in the mounting groove of the bearing seat.

The arrangement of the driving wheel enables the operator to drive the mounting plate and the clamping plate to rotate through the driving wheel, thereby realizing the rotational driving of the workpiece. The arrangement of the bearing and the bearing seat reduces the friction generated when the workpiece rotates, and also realizes the installation of the mounting plate and other components.

Further, in the mechanical chuck fixture of the present invention, the driving wheel is a pulley.

The use of the pulley as the driving wheel facilitates the operator to drive the mounting plate and the clamping plate to rotate through the belt assembly, the structure is simple, and the installation of the processing equipment is convenient at the same time.

The double-sided assembly machine for workpieces of the invention includes an operating table, the surface of the operating table is provided with an avoidance hole, one side of the avoidance hole is provided with a mechanical chuck fixture, and two sides of the mechanical chuck fixture are respectively provided with assembly components and transfer components. It includes a positioning seat and a linear displacement driving device that drives the linear displacement of the positioning seat;

The mechanical chuck clamp includes a mounting plate and a clamping plate. The middle of the mounting plate and the clamping plate is provided with perforations. The surface of the mounting plate is provided with at least two radial grooves. The clamping jaws are slidingly matched, the surface of the clamping disc is provided with a circular arc hole, and the inner side of the clamping disc is also provided with a curved groove with one end close to the outer edge of the clamping disc and the other end close to the center of the clamping disc. The claw is provided with a sliding block located in the curved groove. The mechanical chuck clamp also includes a connecting rod and a positioning pin. One end of the connecting rod is connected to the mounting plate, and the other end of the connecting rod passes through the arc hole of the clamping plate. and connected with the limiting plate, the two ends of the positioning pin are respectively arranged on the mounting plate and the clamping plate;

The mechanical chuck fixture also includes a driving wheel, a bearing and a bearing seat. The driving wheel, the bearing and the bearing seat are all annular structures. The two sides of the bearing seat are respectively provided with connecting ears. The connecting ears are connected with the operating table. The driving wheel One side of the drive wheel is fixed on the surface of the mounting plate, the other side of the driving wheel is fixedly connected with the rotating part of the bearing, the bearing is arranged in the mounting groove of the bearing seat, and the bottoms of the mounting plate and the clamping plate are located in the avoidance hole;

The workpiece double-sided assembling machine also includes a rotary driving device that drives the driving wheel to rotate.

The workpiece double-sided assembly machine of the present invention achieves the purpose of processing the workpiece from both sides through the arrangement of the mechanical chuck fixture, the positioning seat and the linearly positioned driving device. Compared with the existing processing method, at the same time Processing the workpiece from both sides greatly improves the automation performance of the equipment and the production efficiency of the product.

Further, the double-sided assembly machine for workpieces of the invention includes an operation table, the surface of the operation table is provided with a linear guide rail parallel to the central axis of the mounting plate, and the positioning seat is slidably arranged on the linear guide rail.

The setting of the linear guide reduces the friction when the positioning seat moves, and also realizes the positioning function of the positioning seat.

Further, the double-sided assembly machine of the invention includes an operation table, the driving wheel is a pulley, the rotating driving device is a driving motor, the output shaft of the driving motor is connected with the driving wheel through a belt, and the linear displacement driving device is a cylinder. .

The use of the pulley as the driving wheel facilitates the installation of the driving motor and its connection with the driving wheel, and prevents it from hindering the work of the transfer assembly and the mechanical chuck fixture.

Further, the double-sided assembly machine for workpieces of the invention includes an operation table, the positioning seat includes a seat body, a surface of the seat body is provided with an adapting groove, and a push-pull clamp is arranged on the positioning seat.

The setting of the fitting groove realizes the positioning of the fitting, and one end of the fitting groove is provided with an opening towards the mechanical chuck fixture, so that the positioning seat can be directly separated from the fitting under the driving of the linear displacement driving device after the fitting is connected with the workpiece.

The setting of the push-pull clamp allows the operator to clamp the dispenser in the adapter slot through the push-pull clamp to prevent it from falling off when it moves, and at the same time, it can also be stably screwed with the double-headed screw.

The above description is only an overview of the technical solution of the present invention. In order to understand the technical means of the present invention more clearly and implement it according to the content of the description, the following embodiments of the present invention are used to describe it in detail.

Description of drawings

Fig. 1 is the structural schematic diagram of the mechanical chuck fixture of Embodiment 1;

Figure 2 is a front view of the mechanical chuck fixture of Figure 1;

Fig. 3 is the sectional view of A-A in Fig. 2;

Figure 4 is a front view of the clamping disc;

Figure 5 is a perspective view of the clamping disc;

Figure 6 is a perspective view of the gripper;

Figure 7 is a perspective view of a connecting rod;

Figure 8 is a front view of the installation disk;

Figure 9 is a perspective view of the mounting plate;

Figure 10 is a perspective view of a double-headed screw;

Figure 11 is a perspective view of the second embodiment of the mechanical chuck fixture;

Figure 12 is a disassembled view of the mechanical chuck fixture of Figure 11;

Figure 13 is a front view of the workpiece double-sided assembly machine;

Figure 14 is a top view of the workpiece double-sided assembly machine;

Figure 15 is a perspective view of a workpiece double-sided assembly machine;

Figure 16 is a perspective view of the adapter assembly;

Figure 17 is a perspective view of a positioning base equipped with a push-pull clamp;

Figure 18 is a perspective view of another positioning seat;

In the figure, the mounting plate 1, the clamping plate 2, the perforation 3, the radial groove 4, the clamping jaw 5, the arc hole 6, the curved groove 7, the slider 8, the connecting rod 9, the positioning pin 10, the limit plate 11, Positioning groove 12, driving wheel 13, bearing 14, bearing seat 15, connecting lug 16, operating table 17, installation groove 18, belt groove 19, bolt 20, guide rod 21, installation hole 22, stud screw 23, avoidance hole 24 , Mechanical chuck fixture 25, assembly assembly 26, positioning seat 27, linear displacement drive device 28, rotary drive device 29, accessories 30, adapter groove 31, linear guide 32, seat 33, push-pull clamp 34.

Detailed ways

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

Example 1:

1 to 10 , the mechanical chuck fixture of this embodiment includes a mounting plate 1 and a clamping plate 2. The middle of the mounting plate and the clamping plate is provided with a hole 3, and the surface of the mounting plate is provided with at least two diameters. Toward the groove 4, the radial groove is provided with a clamping jaw 5 which is slidingly matched with the mounting disc, the surface of the clamping disc is provided with a circular arc hole 6, and the inner side of the clamping disc is also provided with one end close to the outer edge of the clamping disc and the other side. One end is close to the curved groove 7 in the center of the clamping plate, and the clamping jaw is provided with a sliding block 8 located in the curved groove. The mechanical chuck clamp also includes a connecting rod 9 and a positioning pin 10. One end of the connecting rod is connected to the mounting plate, connecting The other end of the rod passes through the arc hole of the clamping plate and is connected with the limiting plate 11, and the two ends of the positioning pin are respectively arranged on the mounting plate and the clamping plate.

In the mechanical chuck clamp of the present invention, the mounting plate and the clamping plate are connected by a connecting rod, and the limit plate at the end of the connecting rod realizes the radial limit of the clamping plate to prevent radial movement during rotation. The setting of the positioning pin enables the operator to manually adjust the relative position between the clamping plate and the mounting plate through the positioning pin, and drives the clamping jaw to slide along the radial groove to clamp the workpiece between multiple clamping jaws. The operation is very convenient. Compared with the existing chuck fixture, its adjustment is more convenient, and at the same time, after clamping, the operator can drive the clamping plate to rotate through the mounting plate, which is convenient for the processing equipment to process the workpiece from both sides at the same time, thereby improving the processing efficiency. efficiency.

When clamping, the operator first places the workpiece in the hole in the middle of the mounting plate and the clamping plate. During the specific installation, there is a small gap of about 0.05 mm between the limit plate at the end of the connecting rod and the surface of the clamping plate, and the operator can slowly drive the clamping plate to rotate through the positioning pin. When the clamping disc rotates, the connecting rod moves in the circular arc hole of the clamping disc to maintain the concentricity between the clamping disc and the mounting disc. At the same time, the slider on the clamping jaw slides along the curved groove on the inner side of the clamping plate. Since one end of the curved groove is close to the outer edge of the clamping plate and the other end is close to the center of the clamping plate, the slider can move the clamping jaw along the radial groove on the mounting plate while moving along the curved groove to drive the end of the clamping jaw. Move to the workpiece side. When the operator turns the clamping plate through the locating pin until the locating pin is aligned with the locating hole or locating groove 12 on the mounting plate, the multiple clamping jaws just clamp the workpiece, and the operator can insert the end of the locating pin into To the positioning hole or positioning groove on the mounting plate, the workpiece can be clamped.

When the workpiece is clamped, the operator can drive the clamping plate and the workpiece to rotate through the mounting plate. The machining equipment located on both sides of the workpiece can carry out the relevant machining operations on the workpiece.

Wherein, the mounting plate can be driven and rotated by the driving wheel 13 fixedly connected with it. The drive wheel can be installed on the operating table through the bearing and bearing seat. The drive wheel can be driven to rotate through a belt assembly or through a gear assembly.

In this embodiment, the driving pulley is a pulley fixed on the side of the mounting plate, one side of the pulley is fixedly connected with the rotating part of the bearing 14, and the bearing is arranged in the bearing seat 15, and the bearing seat is fixed by the connecting ears 16 on both sides of the bearing seat. installed on the console 17 .

In order to enable the equipment to simultaneously process the workpiece from both sides of the workpiece, the above bearing seat, bearing and pulley are all annular structures.

Specifically, the bearing seat is in the shape of a cover, the bearing is installed in the mounting groove 18 on the surface of the bearing seat, and a connecting lug is respectively provided on both sides of the bearing seat, and the connecting lug is fixed on the operating table by screws. The pulley is arranged between the bearing and the mounting plate and is fixedly connected with the rotating part of the bearing and the mounting plate respectively through screws. The peripheral surface thereof is provided with a belt groove 19 for attaching a belt.

In this embodiment, the connecting rod includes a bolt 20 and a guide rod 21 . The guide rod is located in the arc hole of the clamping disc, and its outer end is connected with the limit plate. The ends of the bolts are inserted into the mounting holes 22 on the mounting disk from the outside of the mounting disk and are threadedly connected with the guide rods. When connecting, there is a gap of 0.02-0.08 mm between the limit plate and the clamping plate, so that the axial limit of the clamping plate is realized, so that there will be no large shaking when rotating, and it is also convenient for the operator. Rotate the clamping disc to drive the clamping jaws to move radially to clamp and prevent loosening of the workpiece.

In addition, the operator can also directly pass the bolt through the arc hole and screw it with the mounting plate to use as a connecting rod, and its nut can be used as a limit plate. It will not be described in detail here.

In this embodiment, the number of arc holes, connecting rods and clamping jaws is preferably three. The three clamping jaws can clamp the workpiece, the three arc holes and the connecting rod can realize the stable rotation of the clamping plate and keep it concentric with the installation plate when it rotates, preventing the workpiece from being eccentric and unable to work normally.

In this embodiment, the locating pin is a spring locating pin, which is a standard part and is mounted on the clamping plate. A positioning hole or a positioning groove is arranged at the corresponding part of the mounting plate. In specific use, the operator maintains the retracted state of the nail head by pulling and rotating, so as to separate the mounting plate from the clamping plate. At this time, the operator can rotate the clamping plate through the positioning pin. When the clamping plate is rotated to a predetermined position, the operator can reversely operate the positioning pin to insert the nail head into the positioning hole of the mounting plate.

Since the mechanical chuck is positioned by positioning pins, in order to adapt to different types of workpieces, the operator can set multiple positioning holes or positioning grooves on the mounting plate to meet the size requirements of different types of workpieces. The clamping of different types of workpieces is realized by ring-mounted clamping jaws of different types. Specifically, the clamping jaw may include a sliding portion disposed in the radial groove and a dismounting portion that is detachably connected to the sliding portion. The dismounting portion can be connected to the sliding portion by means of screws, threaded connections, etc. The specific structure is here No longer.

In this embodiment, the workpiece to be processed is a double-headed screw 23, the middle of which is a regular six-sided column. In order to clamp the double-ended screw, the end face of the clamping claw is a V-shaped end face adapted to the side surface of the double-ended screw, so as to realize the clamping function of the double-ended screw.

In this embodiment, the mounting plate and the clamping plate are both discs with thin thickness and a larger hole diameter in the middle, so that both ends of the workpiece protrude from the sides of the mounting plate and the clamping plate, which is convenient for the equipment to process them from both sides. . In addition to the central perforation, the clamping plate is also provided with a plurality of perforations to reduce its weight and improve its performance.

Embodiment 2:

Referring to FIGS. 11 to 12 , the mechanical chuck fixture of the present embodiment adds the following technical contents on the basis of the mechanical chuck fixture of the first embodiment. Specifically, the mechanical chuck fixture of this embodiment further includes a driving wheel 13, a bearing 14 and a bearing seat 15. The driving wheel, the bearing and the bearing seat are all annular structures, and two sides of the bearing seat are respectively provided with connecting For the lug 16, one side of the driving wheel is fixed on the surface of the mounting plate, and the other side of the driving wheel is fixedly connected with the rotating part of the bearing, and the bearing is arranged in the mounting groove of the bearing seat.

The arrangement of the driving wheel enables the operator to drive the mounting plate and the clamping plate to rotate through the driving wheel, thereby realizing the rotational driving of the workpiece. The arrangement of the bearing and the bearing seat reduces the friction generated when the workpiece rotates, and also realizes the installation of the mounting plate and other components.

Preferably, the driving wheel is a pulley.

The use of the pulley as the driving wheel facilitates the operator to drive the mounting plate and the clamping plate to rotate through the belt assembly, the structure is simple, and the installation of the processing equipment is convenient at the same time.

Embodiment three:

1 to 18, the present embodiment discloses a double-sided assembly machine for workpieces, an operation table 17, a surface of the operation table is provided with an avoidance hole 24, and one side of the avoidance hole is provided with a mechanical chuck fixture 25. The two sides of the disk clamp are respectively provided with assembly components 26, and the transfer component includes a positioning seat 27 and a linear displacement driving device 28 for driving the linear displacement of the positioning seat;

The mechanical chuck clamp includes a mounting plate 1 and a clamping plate 2. The middle of the mounting plate and the clamping plate is provided with a through hole 3. The surface of the mounting plate is provided with at least two radial grooves 4. The radial grooves are provided with The clamping jaws 5 that are slidably fitted with the mounting plate, the surface of the clamping plate is provided with a circular arc hole 6, and the inner side of the clamping plate is also provided with a curved groove 7, one end of which is close to the outer edge of the clamping plate and the other end is close to the center of the clamping plate. The clamping jaw is provided with a slider 8 located in the curved groove. The mechanical chuck clamp also includes a connecting rod 9 and a positioning pin 10. One end of the connecting rod is connected to the mounting plate, and the other end of the connecting rod passes through the circle of the clamping plate. The arc hole is connected with the limit plate 11, and the two ends of the positioning pin are respectively set on the mounting plate and the clamping plate;

The mechanical chuck fixture also includes a driving wheel 13, a bearing 14 and a bearing seat 15. The driving wheel, the bearing and the bearing seat are all annular structures. The two sides of the bearing seat are respectively provided with connecting ears 16. The connecting ears and the operating table Connection, one side of the driving wheel is fixed on the surface of the mounting plate, the other side of the driving wheel is fixed with the rotating part of the bearing, the bearing is arranged in the mounting groove of the bearing seat, and the bottom of the mounting plate and the clamping plate are located in the avoidance hole ;

The workpiece double-sided assembling machine also includes a rotary driving device 29 for driving the driving wheel to rotate.

The workpiece double-sided assembly machine of the present invention achieves the purpose of processing the workpiece from both sides through the arrangement of the mechanical chuck fixture, the positioning seat and the linearly positioned driving device. Compared with the existing processing method, at the same time Processing the workpiece from both sides greatly improves the automation performance of the equipment and the production efficiency of the product.

During the specific work, the operator clamps the workpiece to be processed between the clamping jaws according to the description in the above-mentioned mechanical chuck. In this embodiment, the workpiece to be processed is a double-headed screw. At the same time, the operator sets the two accessories 30 on the in the matching groove 31 of the positioning seat. Then, the positioning seat moves in the direction close to the end of the workpiece under the driving of the linear displacement driving device, and at the same time, the clamping claw drives the workpiece to rotate under the driving of the rotating driving device. After the fitting is in contact with the end of the double-ended screw, it continues to move under the drive of the linear displacement drive until the fitting is fully screwed with the double-ended screw.

After that, the positioning seat is restored to its original position under the drive of the linear displacement driving device, and is ready for the next assembly operation.

The linear displacement driving device may be a cylinder, an electric cylinder, an oil cylinder, and the like. In this embodiment, it is preferably a cylinder. The rotary drive switch is a motor, which can be connected to the drive wheel through a belt rotating assembly or a gear transmission assembly, and in this embodiment, it is connected to the drive wheel through a belt.

In this implementation, the bearing seat is directly fixed on the operating table through the connecting ears on both sides. In addition, the operating table can even lift the table, and the bearing seat can be set on the lifting table to realize the adaptation of workpieces and accessories of different heights.

In the double-sided assembly machine of the present embodiment, the surface of the operating table is provided with a linear guide 32 parallel to the central axis of the mounting plate, and the positioning seat is slidably arranged on the linear guide.

The setting of the linear guide reduces the friction when the positioning seat moves, and also realizes the positioning function of the positioning seat.

In the double-sided assembly machine for workpieces in this embodiment, the driving wheel is a pulley, the rotating driving device is a driving motor, the output shaft of the driving motor is connected with the driving wheel through a belt, and the linear displacement driving device is a cylinder.

The use of the pulley as the driving wheel facilitates the installation of the driving motor and its connection with the driving wheel, and prevents it from hindering the work of the transfer assembly and the mechanical chuck fixture.

In the double-sided assembly machine for workpieces in this embodiment, the positioning seat includes a seat body 33 , and an adapting groove 31 is provided on the surface of the seat body.

The setting of the fitting groove realizes the positioning of the fitting, and one end of the fitting groove is provided with an opening towards the mechanical chuck fixture, so that the positioning seat can be directly separated from the fitting under the driving of the linear displacement driving device after the fitting is connected with the workpiece.

In the double-sided assembly machine for workpieces in this embodiment, a push-pull clamp 34 is provided on the positioning seat.

The setting of the push-pull clamp allows the operator to clamp the dispenser in the adapter slot through the push-pull clamp to prevent it from falling off when it moves, and at the same time, it can also be stably screwed with the double-headed screw.

The push-pull clamp is a standard part, and the operator can clamp and loosen the workpiece through the handle, and its specific structure and principle will not be repeated here.

During specific assembly, after the accessories are connected with the double-headed screw, the positioning seat on one side of the double-headed screw returns to its original position under the driving of its linear displacement driving device, so as to separate the accessories from the positioning seat. After that, the positioning seat located on the other side of the double-headed screw has a push-pull clamp on it, and the double-headed screw and its accessories are pressed on the positioning seat by the push-pull clamp, and the positioning seat can be used in the linear displacement device. Driven by , the double-headed screw and its end fittings are directly pierced through the hole in the center of the mechanical chuck. After the double-ended screw and accessories are completely pierced through the hole of the mechanical chuck, the operator can release the push-pull clamp on the positioning seat to unload the double-ended screw from the positioning seat.

The above are only preferred embodiments of the present invention, which are used to assist those skilled in the art to realize corresponding technical solutions, but are not intended to limit the protection scope of the present invention, which is defined by the appended claims. It should be pointed out that for those of ordinary skill in the art, on the basis of the technical solution of the present invention, several equivalent improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present invention. At the same time, it should be understood that, although this specification is described according to the above-mentioned embodiments, not every embodiment only includes an independent technical solution. As a whole, the technical solutions of the embodiments can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims (10)

1. A mechanical chuck clamp, comprising a mounting plate (1) and a clamping plate (2), the middle of the mounting plate and the clamping plate are provided with perforations (3), and the surface of the mounting plate is provided with at least two diameters. The radial groove (4) is provided with a clamping jaw (5) that is slidingly matched with the mounting plate, and is characterized in that: the surface of the clamping plate is provided with an arc hole (6), and the inner surface of the clamping plate is provided with a circular arc hole (6). A curved groove (7) with one end close to the outer edge of the clamping disc and the other end close to the center of the clamping disc is also provided, and a slider (8) located in the curved groove is provided on the clamping jaw, and a mechanical chuck clamp is provided. It also includes a connecting rod (9) and a positioning pin (10), one end of the connecting rod is connected with the mounting plate, and the other end of the connecting rod passes through the arc hole of the clamping disk and is connected with the limit plate (11). Two ends of the pin are respectively arranged on the mounting plate and the clamping plate. 2 . The mechanical chuck fixture according to claim 1 , wherein the positioning pin is a spring positioning pin, the fixed part of the spring positioning pin is arranged on the clamping plate, and the pin of the spring positioning pin is arranged on the mounting plate. 3 . in the positioning hole on the surface. 3. The mechanical chuck clamp according to claim 1, wherein the connecting rod comprises a screw rod (20) and a guide rod (21), the guide rod is located in the arc hole of the clamping plate, and the outer end of the guide rod is located in the arc hole of the clamping plate. In connection with the limit plate, the end of the bolt penetrates the mounting hole (22) on the mounting plate from the outside of the mounting plate and is threadedly connected with the guide rod. 4. The mechanical chuck fixture according to claim 1, wherein the end face of the clamping jaw is a V-shaped end face. 5. The mechanical chuck fixture according to claim 1, wherein the mechanical chuck fixture further comprises a driving wheel (13), a bearing (14) and a bearing seat (15), the driving wheel, the bearing and the bearing seat They are all ring-shaped structures. Both sides of the bearing seat are provided with connecting ears (16) respectively. One side of the driving wheel is fixed on the surface of the mounting plate, and the other side of the driving wheel is fixed with the rotating part of the bearing. in the mounting groove of the bearing housing. 6. The mechanical chuck fixture according to claim 5, wherein the driving wheel is a pulley. 7. A double-sided assembly machine for workpieces, comprising an operating table (17), characterized in that: the surface of the operating table is provided with an escape hole (24), and one side of the avoidance hole is provided with a mechanical chuck clamp (25), and the mechanical Assembling components (26) are respectively provided on both sides of the type chuck fixture, and the transfer components include a positioning seat (27) and a linear displacement driving device (28) for driving the linear displacement of the positioning seat; The mechanical chuck clamp includes a mounting plate (1) and a clamping plate (2), the middle of the mounting plate and the clamping plate is provided with a through hole (3), and the surface of the mounting plate is provided with at least two radial grooves (3). 4), the radial groove is provided with a clamping jaw (5) that slides with the mounting plate, the surface of the clamping plate is provided with a circular arc hole (6), and the inner side of the clamping plate is also provided with one end close to the clamping plate. The outer edge of the disk and the other end are close to the center of the clamping disk with a curved groove (7), the clamping jaw is provided with a slider (8) located in the curved groove, and the mechanical chuck clamp also includes a connecting rod (9) and a positioning pin (10), one end of the connecting rod is connected with the mounting plate, the other end of the connecting rod passes through the arc hole of the clamping disk and is connected with the limit plate (11), the two ends of the positioning pin are respectively arranged in On the mounting plate and clamping plate; The mechanical chuck fixture further comprises a driving wheel (13), a bearing (14) and a bearing seat (15). The driving wheel, the bearing and the bearing seat are all annular structures, and two sides of the bearing seat are respectively provided with connecting ears (15). 16), the connecting lug is connected with the operating table, one side of the driving wheel is fixed on the surface of the mounting plate, the other side of the driving wheel is fixed with the rotating part of the bearing, the bearing is arranged in the mounting groove of the bearing seat, and the mounting plate is and the bottom of the clamping disc is located in the avoidance hole; The workpiece double-sided assembling machine also includes a rotation driving device (29) that drives the driving wheel to rotate. 8. The workpiece double-sided assembly machine according to claim 7, characterized in that: the surface of the operating table is provided with a linear guide rail (32) parallel to the central axis of the mounting plate, and the positioning seat is slidably arranged on the straight line on the rail. 9. The workpiece double-sided assembly machine according to claim 7, characterized in that: the driving wheel is a pulley, the rotating driving device is a driving motor, and the output shaft of the driving motor is connected with the driving wheel through a belt, and the linear The displacement driving device is a cylinder. 10. The workpiece double-sided assembly machine according to claim 7, wherein the positioning seat comprises a seat body (33), the surface of the seat body is provided with an adapter groove (31), and the positioning seat is provided with Push-pull clamp (34).

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