CN221080097U

CN221080097U - Clamping and fixing device

Info

Publication number: CN221080097U
Application number: CN202322953212.9U
Authority: CN
Inventors: 刘新金; 宋美; 王友路; 朱子豪
Original assignee: Gotion High Tech Co Ltd
Current assignee: Gotion High Tech Co Ltd
Priority date: 2023-10-31
Filing date: 2023-10-31
Publication date: 2024-06-04
Anticipated expiration: 2033-10-31

Abstract

The utility model discloses a clamping and fixing device, which comprises an upper mounting plate, wherein the top surface of the upper mounting plate is connected with a winding core contact plate for placing a winding core; the periphery of the winding core contact plate is provided with clamping pieces, the clamping pieces are connected with a rotary connecting block at the output end of the transmission mechanism, and the driving piece is connected with the input end of the transmission mechanism so as to drive the rotary connecting block to move when the driving piece works, so that the clamping pieces move towards one side close to or far away from the winding core contact plate, and the winding cores placed on the winding core contact plate are clamped or loosened. The driving piece drives the rotary connecting block to move, so that the clamping piece moves to one side close to or far from the winding core contact plate, and the clamping pieces on the periphery of the winding core contact plate act together to clamp or unclamp the winding core placed on the winding core contact plate; when in clamping, the winding core is fixed at a specific position and kept still under the action of the peripheral clamping force, so that the positioning and the fixing of the winding core are realized.

Description

Clamping and fixing device

Technical Field

The utility model relates to the technical field of lithium battery manufacturing equipment, in particular to a clamping and fixing device.

Background

With the continuous popularization of new energy automobiles, sales volume of the new energy automobiles is increased year by year, so that capacity of battery cells in the driving battery industry is synchronously improved, and higher requirements are also put forward on manufacturing efficiency of the battery cells. In the assembly welding section of battery cell manufacturing, the integration of multiple machine stations and multiple technologies is realized, the degree of automation of producing the battery cells is greatly improved, but a plurality of machine stations with a plurality of types and a plurality of numbers can necessarily cause a large amount of alternate transfer and transfer temporary storage in the battery cell production process, the quick and accurate positioning of the battery cells in the transfer process is very important, the alternate pause time can be greatly reduced, and the line-arrangement efficiency is improved.

Disclosure of Invention

The utility model aims to provide a clamping and fixing device which is used for solving the problem that in the prior art, a battery cell is difficult to position and fix in the transfer process.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

The clamping and fixing device comprises an upper mounting plate, wherein the top surface of the upper mounting plate is connected with a winding core contact plate for placing a winding core, and the bottom surface of the upper mounting plate is provided with a driving piece;

The winding core contact plate is characterized in that clamping pieces are arranged on the periphery of the winding core contact plate, the clamping pieces are connected with a rotary connecting block at the output end of the transmission mechanism, and the driving piece is connected with the input end of the transmission mechanism so as to drive the rotary connecting block to move when the driving piece works, so that the clamping pieces move towards one side close to or far away from the winding core contact plate, and the winding cores placed on the winding core contact plate are clamped or loosened.

Further, the transmission mechanism comprises a first transmission mechanism, wherein the first transmission mechanism comprises a plurality of sliding rails which are arranged in a cross shape and sliding blocks which are arranged on the sliding rails;

The sliding rail is connected to a lower mounting plate arranged below an upper mounting plate, each sliding block is provided with a rotary connecting block, and the rotary connecting blocks are connected with the clamping pieces through supports.

Further, the transmission mechanism further comprises a second transmission mechanism, wherein the second transmission mechanism comprises a rotating shaft and a return plate fixed on the rotating shaft;

the rotating shafts are rotatably arranged at the junction of the sliding rails which are in cross arrangement, four waist-shaped holes are uniformly distributed on the return plate, one end of each return connecting block, which is far away from the support, is connected with a cam follower, and each cam follower is respectively embedded in one waist-shaped hole of the return plate;

One of the rotary connecting blocks moves so as to drive the rotary connecting blocks to move simultaneously through the return-shaped plate.

Further, the driving piece is an air cylinder, the output end of the air cylinder is connected with an air cylinder connecting plate through a floating connector, and the air cylinder connecting plate is connected with one of the rotary connecting blocks.

Further, the air cylinder is fixed on the lower mounting plate, and a speed regulating valve for regulating the thrust and the speed of the air cylinder is arranged on the side edge of the air cylinder;

a magnetic switch for controlling the extending distance of a piston rod of the air cylinder is arranged in the clamping groove of the air cylinder shell.

Further, the lower mounting plate is connected with a linear bearing, the rotating shaft penetrates through the linear bearing, the bottom end of the rotating shaft is connected to the lower mounting plate through a lower gland, and the top end of the rotating shaft is connected with the return plate through an upper gland.

Further, the clamping pieces comprise side clamping pieces positioned at the front side and the rear side of the winding core contact plate and broadside clamping pieces positioned at the left side and the right side of the winding core contact plate;

The side clamping piece is connected with the rotary connecting block through the support, the broadside clamping piece is arranged on the fixed connecting plate, and the fixed connecting plate is connected with the rotary connecting block through the support.

Further, the support is vertically connected to the top surface of the rotary connecting block;

The upper mounting plate is provided with a containing groove along the direction of the sliding rail, so that the support moves along with the rotary connecting block on the sliding block.

Further, the upper mounting plate is connected with the lower mounting plate through a plurality of connecting columns.

Further, the utility model also comprises a supporting plate and a side vertical plate, wherein the supporting plate is fixed on the side surface of the side vertical plate, and the lower mounting plate is clamped into the groove of the side vertical plate and is connected with the top surface of the supporting plate.

According to the technical scheme, the utility model has the beneficial effects that:

the driving piece drives the rotary connecting block to move, so that the clamping piece moves to one side close to or far from the winding core contact plate, and the clamping pieces on the periphery of the winding core contact plate act together to clamp or unclamp the winding core placed on the winding core contact plate; when in clamping, the winding core is fixed at a specific position and kept still under the action of the peripheral clamping force, so that the positioning and the fixing of the winding core are realized.

Drawings

FIG. 1 is a structural isometric view of the present utility model;

FIG. 2 is a front elevational view of the structure of the present utility model;

FIG. 3 is a cross-sectional view taken along section A-A of FIG. 2;

FIG. 4 is a top plan view of the structure of the present utility model;

FIG. 5 is a side view of the structure of the present utility model;

fig. 6 is a schematic view of a partial structure of fig. 1.

Wherein: 1. a side vertical plate; 2. a lower mounting plate; 3. a support plate; 4. a winding core contact plate; 5. an upper mounting plate; 6. a connecting column; 7. a slide block; 8. a slide rail; 9. a linear bearing; 10. a rotation shaft; 11. a return plate; 12. a gland is arranged; 13. a lower gland; 14. a cam follower; 15. a rotary connecting block; 16. a support; 17. a side clamping piece; 18. fixing the connecting plate; 19. a broadside clamping piece; 20. a floating connector; 21. a cylinder connecting plate; 22. a speed regulating valve; 23. and (3) a cylinder.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

It should be noted that, in the description of the present utility model, the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and do not require that the present utility model must be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. The terms "front", "back", "left", "right", "upper", "lower" as used in the description of the present utility model refer to directions in the drawings, and the terms "inner", "outer" refer to directions toward or away from the geometric center of a particular component, respectively.

As shown in fig. 1 to 6, a clamping and fixing device comprises an upper mounting plate 5, wherein the top surface of the upper mounting plate 5 is connected with a winding core contact plate 4 for placing winding cores, and the bottom surface of the upper mounting plate 5 is provided with a driving piece; the periphery of the winding core contact plate 4 is provided with clamping pieces, the clamping pieces are connected with a rotary connecting block 15 at the output end of the transmission mechanism, and the driving piece is connected with the input end of the transmission mechanism so as to drive the rotary connecting block 15 to move when the driving piece works, so that the clamping pieces move towards one side close to or far away from the winding core contact plate 4, and the winding cores placed on the winding core contact plate 4 are clamped or loosened.

Further, the transmission mechanism comprises a first transmission mechanism and a second transmission mechanism, wherein the first transmission mechanism comprises a plurality of sliding rails 8 which are arranged in a cross shape and sliding blocks 7 which are arranged on the sliding rails 8; the sliding rail 8 is connected to the lower mounting plate 2 arranged below the upper mounting plate 5, each sliding block 7 is provided with a rotary connecting block 15, and the rotary connecting blocks 15 are connected with the clamping pieces through supports 16.

In the application, the number of the sliding rails 8 in the plurality of sliding rails 8 which are arranged in a cross shape can be four, the end parts of the four sliding rails are intersected at one point, and the included angle between two adjacent sliding rails is 90 degrees, so that a cross-shaped arrangement form is formed.

The number of the sliding rails can also be two or three. When the number of the slide rails 8 is two, the middle parts of the two slide rails are provided with the avoidance grooves, so that the two slide rails can meet at the avoidance grooves to form a cross arrangement mode. The three sliding rails can be in the shape of one long sliding rail and the other two short sliding rails, wherein the two short sliding rails are on the same straight line and are symmetrically arranged on two sides of the conventional sliding rail.

In the present application, the transmission mechanism further includes a second transmission mechanism, and the purpose of the second transmission mechanism is to enable the four rotary connection blocks 15 on the slide rails 8 to move away from or close to the junction of the plurality of slide rails 8 at the same time, and the second transmission mechanism is a synchronous centripetal motion mechanism, so that the plurality of rotary connection blocks 15 can move away from or close to the junction of the plurality of slide rails 8 at the same time.

The application is illustrated by the following specific examples.

The clamping and fixing device for the single winding core comprises a side vertical plate 1, a lower mounting plate 2, a supporting plate 3, a winding core contact plate 4, an upper mounting plate 5, a connecting column 6, a sliding block 7, a sliding rail 8, a linear bearing 9, a rotating shaft 10, a return plate 11, an upper pressing cover 12, a lower pressing cover 13, a cam follower 14, a rotary connecting block 15, a support 16, a side clamping piece 17, a fixing connecting plate 18, a wide side clamping piece 19, a floating connector 20, a cylinder connecting plate 21, a speed regulating valve 22 and a cylinder 23, as shown in fig. 1.

Two backup pads 3 pass through the screw fixation in side riser 1 plane both sides, and in the recess of side riser 1 was gone into to lower mounting panel 2 card to pass through the screw fixation on two backup pads 3, go up mounting panel 5 and be connected with lower mounting panel 2 through four spliced pole 6, spliced pole 6 both ends pass through the screw fixation, roll up core contact plate 4 and pass through the screw mounting in last mounting panel 5 top. Four slide rails 8 are fixed in the groove of the lower mounting plate 2 through screws, four sliding blocks 7 are respectively clamped on the slide rails 8 and can do reciprocating motion on the slide rails 8, four rotary connecting blocks 15 are respectively fixed on the sliding blocks 7 through screws, one end of each rotary connecting block 15 is connected with a support 16 through screws, the other end of each rotary connecting block is provided with a cam follower 14, the supports 16 on two sides are connected with side clamping pieces 17 through screws, the front support 16 and the rear support 16 are connected with a fixed connecting plate 18 through screws, and a broadside clamping piece 19 is arranged on the fixed connecting plate 18. The linear bearing 9 is fixed in the central area of the lower mounting plate 2, the rotating shaft 10 passes through the linear bearing 9, one end of the rotating shaft is fixed on the bottom surface of the lower mounting plate 2 through the lower gland 13 and a screw, the other end of the rotating shaft is connected with the return plate 11 through the upper gland 12 and the screw, and the four cam followers 14 are respectively embedded in the four waist-shaped holes of the return plate 11. The cylinder 23 is fixed on the lower mounting plate 2, a speed regulating valve 22 is arranged on the side edge of the cylinder 23, a magnetic switch is arranged in a clamping groove of the shell, the end part of a piston rod is connected with a floating joint, the other end of the floating joint is connected with a cylinder connecting plate 21, and the connecting plate is fixed on the inner side of the rotary connecting block 15 through a screw.

As shown in fig. 3 and 6, a certain included angle exists between the waist-shaped hole on the return plate 11 and the movement direction of the cylinder piston rod when the cylinder working piston rod extends, the cam follower 14 on the rotary connecting block 15 moves in the waist-shaped hole of the return plate 11, and the piston rod can drive the return plate 11 to rotate when extending because a certain included angle exists between the waist-shaped hole and the movement direction of the cylinder piston rod. Through the setting of returning the shaped plate 11, when the cylinder works, can drive four gyration connecting blocks 15 and follow slide rail 8 motion simultaneously.

As shown in fig. 1 and 4, the fixing connection plate 18 of the present application is provided with a plurality of screw holes, and the wide-side clamping piece 19 is fixed in the screw holes of the fixing connection plate 18 by screws. The number of the wide-edge clamping pieces 19 on the two fixing connection plates 18 may be equal or different, and in the embodiment shown in fig. 1, one wide-edge clamping piece 19 is connected to the left fixing connection plate 18, and the wide-edge clamping piece 19 is located at the center of the front-rear direction of the fixing connection plate 18. Two broadside clamping pieces 19 are connected to the right fixed connecting plate 18, and the two broadside clamping pieces 19 are symmetrically arranged about a central line in the front-rear direction. In other embodiments, two broadside clamping tabs 19 may be attached to both sides of the fixed connection plate 18, or one broadside clamping tab 19 may be attached to both sides of the fixed connection plate 18.

As shown in fig. 1 and 5, the support plates 3 are fixed on two sides of the plane of the side vertical plate 1 by screws, the lower mounting plate 2 is clamped into the grooves of the side vertical plate 1 and is fixed on the two support plates 3 by screws, the upper mounting plate 5 is connected with the lower mounting plate 2 by four connecting columns 6, two ends of the connecting columns 6 are fixed by screws, and the winding core contact plate 4 is mounted on the top of the upper mounting plate 5 by screws and is used for bearing winding cores.

The upper mounting plate 5 and the lower mounting plate 2 are connected through the connecting column 6, so that a space for accommodating devices such as the return plate 11, the rotary connecting block 15, the air cylinder and the like is formed between the upper mounting plate 5 and the lower mounting plate 2.

In some further embodiments, as shown in fig. 1 and fig. 4, the sliding rail 8 is fixed in the groove of the lower mounting plate 2 by screws, the four sliding blocks 7 are respectively clamped on the sliding rail 8 and can reciprocate on the sliding rail 8, the four rotary connecting blocks 15 are respectively fixed on the sliding blocks 7 by screws, one end of each rotary connecting block 15 is connected with a support 16 by screws, the other end of each rotary connecting block is provided with a cam follower 14, the two side supports 16 are connected with the side clamping piece 17 by screws, the front support 16 and the rear support 16 are connected with the fixed connecting plate 18 by screws, the wide side clamping piece 19 is mounted on the fixed connecting plate 18, and the four surrounding clamping pieces are driven to realize opening and closing actions by the reciprocating movement of the sliding blocks 7 on the sliding rail 8, so that the automatic positioning and fixing of the winding cores are realized.

In some further embodiments, as shown in fig. 1, a linear bearing 9 is fixed in the central area of the lower mounting plate 2, a rotating shaft 10 passes through the linear bearing 9, one end of the rotating shaft is fixed on the bottom surface of the lower mounting plate 2 through a lower gland 13 and a screw, the other end of the rotating shaft is connected with a return plate 11 through an upper gland 12 and a screw, four cam followers 14 are respectively embedded in four waist-shaped holes of the return plate 11, and the return plate 11 is driven to rotate through the rotating shaft 10, so that the cam followers 14 are driven to slide in the waist-shaped holes.

In some further embodiments, as shown in fig. 1 to 4, a cylinder 23 is fixed on the lower mounting plate 2, a speed regulating valve 22 is installed at the side of the cylinder 23, a magnetic switch is installed in a clamping groove of the housing, the end part of a piston rod is connected with a floating connector 20, the other end of the floating connector 20 is connected with a cylinder connecting plate 21, and the connecting plate is fixed on the inner rotary connecting block 15 through screws. The inner side rotary connecting block 15 is driven to realize reciprocating movement on the sliding rail 8 through the telescopic movement of the control cylinder 23, so that the return-shaped plate 11 is pushed to perform rotary movement, and the other three rotary connecting blocks 15 are driven to simultaneously move inwards or outwards.

The working process comprises the following steps:

In the normal state without winding core, the cylinder 23 is in the retracted state and the top clamping piece is in the open state. After the winding core is placed on the winding core contact plate 4, the sensor sends out a signal, the piston rod of the air cylinder 23 is led out a certain distance through program control, the air cylinder connecting plate 21 and the inner rotary connecting block 15 are pushed to move forwards, meanwhile, the rotary plate 11 starts to rotate around the rotary shaft 10, and the other three rotary connecting blocks 15 move inwards along the sliding rail 8 under the relative movement of the waist-shaped hole and the cam follower 14. In this way, the support 16, the side clamping piece 17, the fixed connecting plate 18 and the broadside clamping piece 19 are simultaneously moved inwards under the drive of the four rotary connecting blocks 15, and finally the clamping and positioning functions are realized on the winding core. The magnetic sensor is embedded in the shell of the air cylinder 23 and used for adjusting and controlling the extending distance of the piston rod, the side edge of the air cylinder 23 is connected with an air pipe through the speed regulating valve 22 and used for adjusting the size of the air inlet and outlet flow and controlling the clamping force and speed, so that the clamping damage to the winding core is avoided.

According to the application, the side clamping piece and the wide side clamping piece are driven to realize opening and closing actions in a continuous telescopic extrusion mode of the air cylinder, when the air cylinder is retracted, the clamping piece moves outwards to be in an open state for placing the winding core, after the winding core is placed on the contact plate, the air cylinder stretches out, the clamping piece moves inwards to contact with the winding core, and the winding core is fixed at a specific position under the action of the peripheral clamping force, so that the automatic positioning action of the winding core is realized.

It will be appreciated by those skilled in the art that the present utility model can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.

Claims

1. The clamping and fixing device is characterized by comprising an upper mounting plate (5), wherein the top surface of the upper mounting plate (5) is connected with a winding core contact plate (4) for placing a winding core, and a driving piece is arranged on the bottom surface of the upper mounting plate (5);

The winding core contact plate (4) is characterized in that clamping pieces are arranged around the winding core contact plate (4), the clamping pieces are connected with a rotary connecting block (15) at the output end of the transmission mechanism, and the driving piece is connected with the input end of the transmission mechanism so as to drive the rotary connecting block (15) to move when the driving piece works, so that the clamping pieces move towards one side close to or far away from the winding core contact plate (4), and the winding cores placed on the winding core contact plate (4) are clamped or loosened.

2. Clamping fixture according to claim 1, characterized in that the transmission comprises a first transmission comprising a plurality of slide rails (8) arranged in a cross shape and a slide block (7) provided on the slide rails (8);

The sliding rail (8) is connected to a lower mounting plate (2) arranged below an upper mounting plate (5), each sliding block (7) is provided with a rotary connecting block (15), and the rotary connecting blocks (15) are connected with the clamping pieces through supports (16).

3. Clamping fixture according to claim 2, characterized in that the transmission mechanism further comprises a second transmission mechanism comprising a rotation shaft (10) and a return plate (11) fixed on the rotation shaft (10);

The rotating shafts (10) are rotatably arranged at the junction of the slide rails (8) which are in cross arrangement, four waist-shaped holes are uniformly distributed on the square plate (11), one end of each rotating connecting block (15) far away from the support (16) is connected with a cam follower (14), and each cam follower (14) is respectively embedded in one waist-shaped hole of the square plate (11);

One of the rotary connecting blocks (15) moves so as to drive a plurality of rotary connecting blocks (15) to move simultaneously through the return-shaped plate (11).

4. A clamping and fixing device according to claim 3, characterized in that the driving member is a cylinder (23), the output end of which is connected to a cylinder connecting plate (21) via a floating connection head (20), the cylinder connecting plate (21) being connected to one of the swivel connecting blocks (15).

5. The clamping and fixing device according to claim 4, wherein the air cylinder (23) is fixed on the lower mounting plate (2), and a speed regulating valve (22) for regulating the thrust and the speed of the air cylinder (23) is arranged at the side of the air cylinder (23);

A magnetic switch for controlling the extending distance of a piston rod of the air cylinder (23) is arranged in a clamping groove of the air cylinder (23) shell.

6. A clamping and fixing device according to claim 3, characterized in that the lower mounting plate (2) is connected with a linear bearing (9), the rotating shaft (10) penetrates through the linear bearing (9), the bottom end is connected to the lower mounting plate (2) through a lower gland (13), and the top end is connected with the return plate (11) through an upper gland (12).

7. Clamping fixture according to claim 2, characterized in that the clamping pieces comprise side clamping pieces (17) on the front and rear sides of the core contact plate (4) and broadside clamping pieces (19) on the left and right sides of the core contact plate (4);

The side clamping piece (17) is connected with the rotary connecting block (15) through the support (16), the broadside clamping piece (19) is arranged on the fixed connecting plate (18), and the fixed connecting plate (18) is connected with the rotary connecting block (15) through the support (16).

8. Clamping fixture according to claim 2, characterized in that the support (16) is connected vertically to the top surface of the swivel connection block (15);

The upper mounting plate (5) is provided with a containing groove along the direction of the sliding rail (8) so that the support (16) moves along with the rotary connecting block (15) on the sliding block (7).

9. Clamping fixture according to claim 2, characterized in that the upper mounting plate (5) is connected to the lower mounting plate (2) by means of a plurality of connecting posts (6).

10. The clamping and fixing device according to claim 2, further comprising a supporting plate (3) and a side vertical plate (1), wherein the supporting plate (3) is fixed on the side surface of the side vertical plate (1), and the lower mounting plate (2) is clamped into a groove of the side vertical plate (1) and is connected to the top surface of the supporting plate (3).