CN211413248U

CN211413248U - Bending equipment

Info

Publication number: CN211413248U
Application number: CN201922337701.5U
Authority: CN
Inventors: 汤量智; 朱勇; 邹培; 李辉辉; 杨迅; 高云松; 黄祥虎; 高云峰
Original assignee: Han s Laser Technology Industry Group Co Ltd
Current assignee: Shenzhen Han's Lithium Battery Intelligent Equipment Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-09-04
Anticipated expiration: 2029-12-23

Abstract

The embodiment of the utility model discloses equipment of bending for bending of the portion of bending of treating of work piece, including positioner, fixing device and the bending device of setting on first base. The positioning device is provided with a positioning part matched with the positioning reference part of the workpiece. The fixing device is used for fixing the workpiece to limit the position of the part to be bent. The bending device comprises a pre-bending mechanism and a top-leveling mechanism, the pre-bending mechanism is used for bending the part to be bent to the body of the workpiece, the top-leveling mechanism is used for pushing the free end of the part to be bent to the body after bending, the pre-bending mechanism is in contact with the part to be bent through a roller, and when the part to be bent is bent to the body, the roller rolls on the part to be bent. Through setting up the gyro wheel for the impact force is used in treating the portion of bending through the gyro wheel, avoids the fish tail to treat the portion of bending, and then has improved the processingquality of bending.

Description

Bending equipment

Technical Field

The utility model relates to an rigging equipment field especially relates to an equipment of bending.

Background

When traditional equipment of bending is bent the portion of waiting to bend of work piece and is add man-hour, because the impact force direct action of the processing of bending is on waiting to bend the portion, can cause and wait to bend a fish tail, and then the influence waits the processingquality of bending of the portion of bending.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an equipment of bending at the in-process of the processing of bending to solve traditional equipment fish tail of bending and treat the technical problem of the portion of bending.

In order to achieve the above object, the utility model adopts the following technical means:

a bending apparatus for bending a portion to be bent of a workpiece, comprising:

a first base;

the positioning device is arranged on the first base, and is provided with a positioning part matched with the positioning reference part of the workpiece;

the fixing device is arranged on the first base and used for fixing the workpiece so as to limit the position of the part to be bent; and

the bending device is arranged on the first base and comprises a pre-bending mechanism and a jacking mechanism, the pre-bending mechanism is used for bending the part to be bent to the body of the workpiece, the jacking mechanism is used for pushing the free end of the part to be bent to the body after bending, the pre-bending mechanism is in contact with the part to be bent through a roller, and when the part to be bent is bent to the body, the roller rolls on the part to be bent.

Implement the embodiment of the utility model provides a, will have following beneficial effect:

above-mentioned equipment of bending is through setting up the gyro wheel for the impact force passes through the gyro wheel and acts on treating the portion of bending, avoids the fish tail to treat the portion of bending, and then has improved the processingquality of bending.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Wherein:

fig. 1 is a schematic spatial structure diagram of a bending apparatus in one embodiment.

Fig. 2 is a front view of the bending apparatus shown in fig. 1.

Fig. 3 is a side view of the bending apparatus shown in fig. 1.

Fig. 4 is a top view of the bending apparatus shown in fig. 1.

Fig. 5 is an enlarged schematic view of a bending apparatus shown in fig. 1.

Fig. 6 is an enlarged schematic view of a portion B of the bending apparatus shown in fig. 2.

Fig. 7 is an enlarged schematic view of a portion C of the bending apparatus shown in fig. 3.

Fig. 8 is an enlarged schematic view of the bending apparatus shown in fig. 4 at D.

Fig. 9 is a schematic diagram of a space structure of a battery cell.

Fig. 10 is a front view of the cell shown in fig. 9.

Fig. 11 is an enlarged schematic structural diagram of a cell shown in fig. 9 at E.

Fig. 12 is an enlarged structural diagram of the cell shown in fig. 10 at position F.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The embodiment of the utility model provides an in, first direction perpendicular to second direction and third direction place plane. The first direction means parallel to the direction indicated by the arrow Y in fig. 1, the second direction means parallel to the direction indicated by the arrow Z in fig. 1, and the third direction means parallel to the direction indicated by the arrow X in fig. 1.

Referring to fig. 1 to 12, a bending apparatus 10 according to the present invention will now be described. The bending equipment 10 is used for bending the tab 21 of the battery cell 20 of the power battery after welding, printing, leveling and rubberizing the tab 21, and the battery cell 20 is provided with two oppositely-arranged tabs 21. The bending apparatus 10 includes a first base 100, a positioning device 200, a fixing device 300, a bending device 400, and a first driving device 500. The positioning device 200, the fixing device 300, and the bending device 400 are all disposed on the first base 100. The first driving device 500 drives the first base 100 to move to the bending station. The positioning device 200 is provided with a positioning portion 2031 that is fitted to the positioning reference portion 23 of the cell 20. The positioning reference portion 23 is a groove-shaped structure 23 formed between the battery cell pin rear portion 22 and the battery cell 20. It is understood that in other embodiments, the positioning reference portion 23 may also be a solid structure, such as a protrusion, a rod-like structure, or a plate-like structure. The locating portion 2031 can be received in the channel 23 to cooperate with the channel 23 to provide alignment. The fixing device 300 is used to fix the battery cell 20. Since the positions of the groove-shaped structures 23 and the tabs 21 are relatively fixed, when the positioning portions 2031 are accommodated in the groove-shaped structures 23, the positions of the tabs 21 are determined by fixing the battery cell 20. The bending device 400 is used to bend the tab 21. Because the position of the pole lug 21 is limited, the position accuracy of the pole lug 21 is ensured, and simultaneously, the stability of the position of the pole lug 21 is also ensured, and further, the quality of subsequent bending processing is improved. Of course, in other embodiments of the present invention, the bending apparatus 10 can also be used for bending other workpieces, or other processing procedures applied to other workpieces, and is not limited herein.

Referring to fig. 1 to 8, the first base 100 includes a first mounting plate 101 horizontally disposed, a second mounting plate 102 vertically mounted on an upper surface of the first mounting plate 101, and a third mounting plate 103 parallel to the first mounting plate 101 and mounted on a rear surface of the second mounting plate 102. The second mounting plate 102 is mounted in the middle of the first mounting plate 101, and a positioning device 200 mounted on the upper surface of the first mounting plate 101 is provided in front of the second mounting plate.

Referring to fig. 5, 6 and 8, the positioning portion 2031 can be close to or far from the channel structure 23 in the first direction to engage with or separate from the channel structure 23. Specifically, the positioning device 200 includes a barrier moving cylinder 201, a first slide rail 202 mounted on the upper surface of the first mounting plate 101, and a positioning barrier 203. The positioning portion 2031 is located at one end of the positioning flapper 203. The positioning baffle 203 is connected with the first slide rail 202 in a sliding manner through the first bracket, and is driven by the baffle moving cylinder 201 to move along the first direction, so that the positioning portion 2031 can approach or separate from the groove-shaped structure 23 along the first direction to be matched with or separated from the groove-shaped structure 23. It is understood that in other embodiments, the baffle moving cylinder 201 may be replaced by other driving devices, such as a hydraulic cylinder, an electric cylinder, or a ball screw, which can realize linear driving.

In this embodiment, the positioning portion 2031 needs to be fitted to the groove-like structure 23, so that the shape of the positioning portion 2031 is matched to the groove-like structure 23 so as not to damage the groove-like structure 23 during fitting. It is understood that in other embodiments, the positioning portion 2031 may have other structures, and the specific structure thereof needs to match with the positioning reference portion 23 to ensure the positioning reference is accurate. As shown in fig. 7, in this embodiment, two symmetrically arranged guide surfaces 2031a are provided on two sides of the front end of the positioning portion 2031, which is beneficial for the positioning portion 2031 to accurately fit with the groove-like structure 23.

The fixture 300 includes a clamping mechanism 310 and a jacking mechanism 320.

Referring to fig. 5 to 8, the clamping mechanism 310 can clamp the battery cell 20 in the second direction. Specifically, the clamping mechanism 310 includes two pressing blocks 311 disposed oppositely and a pressing cylinder 312 for driving the two pressing blocks 311. The hold-down cylinder 312 is disposed on the front surface of the second mounting plate 102. The two pressing blocks 311 of the pressing cylinder 312 can move toward or away from each other in the second direction under the driving of the pressing cylinder 312 to clamp or release the two opposite ends of the cell pin rear portion 22. As shown in fig. 7, the opposite ends of the two pressing blocks 311 have first protrusions 3111. The free end of the first protrusion 3111 has a serrated surface contacting the rear portion 22 of the cell pin to prevent relative sliding when clamping the rear portion 22 of the cell pin, which affects the positioning of the tab 21. It is understood that in other embodiments, the pressing cylinder 312 may be replaced by other driving devices, such as hydraulic cylinder, electric cylinder, or ball screw, which can realize bidirectional linear driving.

Referring to fig. 5, 6 and 8, the pressing mechanism 320 can press the workpiece against the positioning portion 2031 in a third direction perpendicular to the second direction. Specifically, the tightening mechanism 320 includes a tightening block 321 and a tightening cylinder 322. A jacking cylinder 322 is provided on the upper surface of the third mounting plate 103. The second mounting plate 102 is provided with a first through hole for the tightening block 321 to pass through. The tightening block 321 can be driven by the tightening cylinder 322 to approach or separate from the cell pin rear portion 22 through the first through hole in the third direction, so as to tighten the cell pin rear portion 22 against the positioning portion 2031 or loosen the cell pin rear portion 22 from the positioning portion 2031. The end of the tightening block 321 contacting with the rear part 22 of the electric core pin is a plane. Positioning portion 2031 and trough-shaped structure 23 cooperation for be arranged in positioning portion 2031 between electricity core pin rear portion 22 and the electricity core 20, simultaneously, electricity core pin rear portion 22 relative both ends from top to bottom are fixed by two compact heap 311, and electricity core pin rear portion 22 pressure this moment is on positioning portion 2031 through tight piece 321 in top, fixes the one end that electricity core pin rear portion 22 is free promptly, thereby has made accurate location to electricity core pin rear portion 22, has injectd the position of utmost point ear 21. It is understood that in other embodiments, the tightening cylinder 322 may be replaced by other driving devices, such as a hydraulic cylinder, an electric cylinder, or a ball screw, which can realize linear driving.

Bending apparatus 400 includes a prefolding mechanism 410 and a flattening mechanism 420.

Referring to fig. 5, fig. 6 and fig. 8, the pre-folding mechanism 410 is used to fold the tab 21 toward the battery cell 20 to complete the pre-folding operation. Specifically, the pre-folding mechanism 410 includes two pre-folding blocks 411 and a pre-folding air claw 412 which are oppositely disposed. A pre-folding air claw 412 is provided on the front surface of the second mounting plate 102. The two pre-folding blocks 411 are respectively arranged corresponding to the two tabs 21 one by one. The pre-folding block 411 can be close to or far from the corresponding tab 21 under the driving of the pre-folding claw 412, so as to pre-fold the tab 21 towards the battery cell 20 body or separate from the tab 21. The pre-folding block 411 is provided with a roller 413, and the pre-folding block 411 is contacted with the tab 21 through the roller 413. When the tab 21 is bent toward the battery cell 20 body, the roller 413 rolls on the tab 21. Because utmost point ear 21 is the slab form and sets up perpendicularly on electric core 20 body, when folding in advance to it, the direction of force is perpendicular to utmost point ear 21 place plane, and is very big to utmost point ear 21's impact force, and utmost point ear 21 itself is less relatively, consequently, is equipped with gyro wheel 413 on folding in advance piece 411 and can effectively reduce the impact to utmost point ear 21, avoids fish tail utmost point ear 21 when folding in advance. It is understood that in other embodiments, the pre-folding air gripper 412 may be replaced by other driving devices, such as a hydraulic cylinder, an electric cylinder, or a ball screw, which can realize bidirectional linear driving.

Referring to fig. 5, fig. 6 and fig. 8, the flattening mechanism 420 is used to push the free end of the bent tab 21 toward the body of the battery cell 20. Specifically, the leveling mechanism 420 includes a leveling block 421 and a bending cylinder 422. A bending cylinder 422 is provided on the upper surface of the third mounting plate 103. The second mounting plate 102 is provided with a second through hole through which the top flat 421 can pass. The top flat 421 can be close to or far from the free end through the second through hole under the driving of the bending cylinder 422, so as to push the free end to the body of the battery cell 20 or separate from the free end. After bending, the tab 21 is bent towards the cell 20 body, at this time, an included angle between the tab 21 and the cell 20 body is smaller than 90 degrees, the free end is pushed towards the cell 20 body through the flat jacking block 421, and the tab 21 is further bent to reach the processing standard. The tab 21 is bent twice by pre-bending and pushing the free end to the battery cell 20 body, so that the excessive impact on the tab 21 caused by reaching the processing standard by bending once is avoided, and the processing yield is improved. It is understood that in other embodiments, the bending cylinder 422 may be replaced by other driving devices, such as hydraulic cylinder, electric cylinder, or ball screw.

Referring to fig. 1 to 3, the bending apparatus 10 further includes a second base 600. The first driving device 500 is provided on the second base 600. Specifically, the first driving device 500 includes an X-axis servomotor 501, an X-axis slide rail 502, a Z-axis displacement cylinder 503, and a Z-axis guide shaft 504. An X-axis servo motor 501 and an X-axis slide rail 502 are provided at the upper end of the second base 600. A fourth mounting plate 505 is arranged on the X-axis slide rail 502. The fourth mounting plate 505 is driven by the X-axis servo motor 501 and moves in the direction indicated by the arrow X. The lower surface of the fourth mounting plate 505 is provided with a Z-axis displacement electric cylinder 503, and the output end of the Z-axis displacement electric cylinder 503 passes through the fourth mounting plate 505 to be fixedly connected with the lower surface of the first mounting plate 101. The first mounting plate 101 is connected to a fourth mounting plate 505 via a Z-axis guide shaft 504, and is driven by a Z-axis displacement cylinder 503 to move in the direction indicated by the arrow Z. Bending processing positions are adjusted through the X-axis servo motor 501 and the Z-axis displacement electric cylinder 503, and the battery cores 20 with different thicknesses can be conveniently compatible. It is understood that in other embodiments, the X-axis servo motor 501 and the Z-axis displacement cylinder 503 may be replaced by other driving devices, such as a hydraulic cylinder, an air cylinder, or a ball screw, which can realize linear driving.

The operation flow of the bending apparatus 10 in this embodiment is as follows:

bending equipment 10 is driven by an X-axis servo motor 501 and a Z-axis displacement electric cylinder 503 to realize rapid displacement of bending equipment 10 in the X/Z directions, and the proper position in the X/Z directions can be adjusted conveniently through setting. When the battery cell 20 moves to a bending station, the X-axis servo motor 501 drives the bending device 10 to move forward to a bending position, the baffle moving cylinder 201 retracts to drive the positioning baffle 203, the positioning part 2031 extends into the battery cell pin rear part 22, the pressing cylinder 312 clamps, the two pressing blocks 311 are closed to clamp two opposite ends of the battery cell pin rear part 22 up and down, the jacking cylinder 322 extends out, the jacking block 321 moves forward to tightly press the battery cell pin rear part 22 against the positioning part 2031, the pre-bending gas claw 412 clamps, the two pre-bending blocks 411 are closed to pre-bend the tab 21 once, the pre-bending gas claw 412 is released immediately, the two pre-bending blocks 411 are opened, the bending cylinder 422 extends out, the jacking block 421 moves forward to bend the tab 21 again, after the bending is completed, the bending cylinder 422 retracts, the jacking block 421 retracts, meanwhile, the jacking cylinder 322 retracts, the jacking block 321 retracts, the pressing cylinder 312 releases, the two pressing blocks 311 open, then, the baffle moving cylinder 201 extends, the positioning baffle 203 retracts, and finally, the X-axis servo motor 501 drives the bending device 10 to return to the initial position, so that the action process of one bending is completed.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. The utility model provides a bending equipment for bending of the portion of waiting to bend of work piece which characterized in that: the method comprises the following steps:

a first base;

2. The bending apparatus according to claim 1, wherein: the bending equipment further comprises a first driving device for driving the first base to move to a bending station.

3. The bending apparatus according to claim 1 or 2, wherein: the positioning portion may be able to approach or separate from the positioning reference portion in a first direction to engage with or separate from the positioning reference portion.

4. The bending apparatus according to claim 3, wherein: the fixing device comprises a clamping mechanism and a jacking mechanism;

the clamping mechanism is capable of clamping the workpiece in a second direction;

the jacking mechanism can jack the workpiece on the positioning part along a third direction perpendicular to the second direction;

the first direction is perpendicular to the plane of the second direction and the third direction.

5. The bending apparatus according to claim 4, wherein: the clamping mechanism comprises two pressing blocks which are oppositely arranged;

the two pressing blocks can move close to each other or away from each other along the second direction so as to clamp or release the workpiece.

6. The bending apparatus according to claim 5, wherein: the jacking mechanism comprises a jacking block;

the jacking block can be close to or far away from the workpiece along the third direction so as to jack the workpiece on the positioning part or loosen the workpiece and the positioning part.

7. The bending apparatus according to claim 6, wherein: the pre-folding mechanism comprises a pre-folding block, and the roller is arranged on the pre-folding block;

the pre-bending block can be close to or far away from the part to be bent so as to pre-bend the part to be bent towards the body or separate from the part to be bent.

8. The bending apparatus according to claim 7, wherein: the workpiece is provided with two parts to be bent which are oppositely arranged, the pre-bending mechanism comprises two pre-bending blocks which are oppositely arranged, and the two pre-bending blocks are respectively arranged corresponding to the two parts to be bent one by one;

the jacking mechanism comprises a jacking block;

the top flat block can be close to or far away from the free end to push the free end to the body or separate from the free end.

9. The bending apparatus according to claim 8, wherein: the workpiece is an electric core, the part to be bent is a lug of the electric core, and the positioning reference part is a groove-shaped structure formed between the rear part of a pin of the electric core and the electric core.

10. The bending apparatus according to claim 9, wherein: the positioning device comprises a positioning baffle plate, and the positioning part is positioned at one end of the positioning baffle plate and can be contained in the positioning reference part.