CN217507501U - Battery cover group compression fittings - Google Patents

Abstract

The utility model belongs to the technical field of battery processing, a battery cover group compression fittings is disclosed for carry out the pressfitting to battery cover group, wherein, battery cover group compression fittings includes: the fixing assembly comprises a bottom plate and a support arranged on the bottom plate, the driving assembly is installed on the bottom plate, the positioning assembly and the pressing assembly are installed on the support, the jig is driven by the driving assembly and slides on the bottom plate, the jig is provided with a first groove for fixedly placing the battery shell, the positioning assembly is used for positioning the battery cover group, the central position of the battery cover group is coincided with the central position of the battery shell, and the pressing assembly is used for pressing the positioned battery cover group, so that the battery cover group is pressed on the battery shell. Through the structure, the battery cover group can be positioned, the battery yield is improved, the labor and material cost is reduced, and the consistency and the working efficiency of products are improved.

Description

Battery cover group compression fittings

Technical Field

The utility model relates to a battery processing technology field especially relates to a battery cover group compression fittings.

Background

The battery mainly comprises a pole piece, a battery shell and a battery cover group, wherein in a common situation, after the pole piece is wound and placed in the battery shell, the battery cover group needs to be pressed into the battery shell, and then the battery cover group and the battery shell are welded, so that the battery is packaged.

The traditional battery cover group pressing process is carried out manually, so that the labor cost is high, the working efficiency is influenced, the consistency of products is influenced, and the problem that the battery cover group is scrapped due to assembly errors can occur; or the problems of incomplete assembly and local protrusion of the battery cover group occur; these problems have an effect on the performance, size, appearance, etc. of the subsequent weld. On the basis, the process requirements of the battery in a specific environment are more strict, for example, the pressing force of the battery cover group also has specific requirements, and manual operation cannot be met; moreover, the existing battery cover group pressing device is complex in structure, and the problem that the battery cover group is not assembled in place cannot be completely avoided.

In order to solve the above problems, it is necessary to develop a battery cover assembly pressing device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery cover group compression fittings can fix a position battery cover group, improves the battery yield, has reduced manpower and material cost, improves the uniformity and the work efficiency of product.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a battery cover group compression fittings for carry out the pressfitting to battery cover group, wherein, above-mentioned battery cover group compression fittings includes:

the fixing assembly comprises a bottom plate and a bracket arranged on the bottom plate;

a driving assembly mounted on the base plate;

the jig is driven by the driving assembly and slides on the bottom plate, and is provided with a first groove for fixedly placing the battery shell;

a positioning assembly mounted on the bracket for positioning the battery cover assembly so that the center position of the battery cover assembly coincides with the center position of the battery shell;

and the pressing component is arranged on the bracket and used for pressing the positioned battery cover group so as to press the battery cover group on the battery shell.

Optionally, the positioning assembly includes two first driving members and two clamping blocks, the two first driving members are symmetrically installed on the bracket, each first driving member is connected to one clamping block, and the two first driving members are configured to drive the two clamping blocks to move so as to clamp the battery cover assembly.

Optionally, the clamping surface of the fixture block is an arc surface.

Optionally, the driving assembly includes a sliding block, a guide rail and a second driving element, the guide rail and the second driving element are fixedly connected to the bottom plate, the sliding block is slidably disposed on the guide rail, the jig is detachably connected to the sliding block, and the second driving element is drivingly connected to the sliding block.

Optionally, the driving assembly further includes a mounting seat, the mounting seat is disposed on the bottom plate, and the second driving member is mounted on the mounting seat.

Optionally, the driving assembly further includes a first buffer member and a second buffer member, the second driving member is an air cylinder, the first buffer member and the second buffer member are respectively disposed at a maximum stroke position and a minimum stroke position of the second driving member, the first buffer member is configured to cushion and limit the second driving member, and the second buffer member is configured to cushion and limit the slider (21).

Optionally, the pressing assembly includes a third driving member and a pressing head, the third driving member is mounted on the support, the pressing head is fixedly connected to an output end of the third driving member, and the third driving member is configured to drive the pressing head to press the battery cover assembly.

Optionally, an avoidance hole is formed in one end of the pressure head, which is in contact with the battery cover assembly, and the avoidance hole is configured to avoid a pole in the battery shell.

Optionally, the support comprises a first upright column, two second mounting plates, a second upright column and a top plate, the first upright column is fixedly connected between the bottom plate and the top plate, the two second mounting plates are mounted on the top plate through the second upright columns at intervals and are arranged between the top plate and the bottom plate, the positioning assembly is fixedly connected to the second mounting plates, and the pressing assembly is fixedly connected to the top plate and can be arranged between the two second mounting plates in a penetrating manner.

Optionally, the two second mounting plates are symmetrically arranged with respect to the jig.

The utility model has the advantages that:

the utility model provides a battery cover group pressing device which is used for pressing a battery cover group and mainly comprises a fixing component, a driving component, a jig, a positioning component and a pressing component, wherein the fixing component comprises a bottom plate and a bracket arranged on the bottom plate, in the process of pressing the battery cover group, a battery shell is firstly placed in a first groove arranged on the jig and can slide on the bottom plate along with the driving of the driving component arranged on the bottom plate until the lower part of the pressing component stops, the battery cover group and the battery shell on the battery shell are clamped by the positioning component arranged on the bracket, the central position of the battery cover group can be adjusted to coincide with the central position of the battery shell through the clamping process, the battery cover group with the adjusted position is pressed into the battery shell by the pressing component arranged on the bracket, and the pressing assembly of the battery cover group is realized, and manpower and material cost are reduced, the yield of the battery is improved, and the consistency and the working efficiency of the product are further improved.

Drawings

Fig. 1 is a schematic diagram of a battery structure before a battery cover assembly is not installed according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a battery structure after a battery cover assembly according to an embodiment of the present invention is installed;

fig. 3 is a schematic structural diagram of a battery cover assembly pressing device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a battery cover assembly pressing device according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a pressing head according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a fixture block according to an embodiment of the present invention;

fig. 7 is an exploded view of a securing assembly according to an embodiment of the present invention.

In the figure:

10. a fixing assembly; 11. a base plate; 111. a third counterbore; 112. a fourth counterbore; 113. a second groove; 114. a third groove; 12. a support; 121. a first upright post; 122. a second mounting plate; 1221. an eighth counterbore; 1222. an avoidance groove; 1223. a fourth connection hole; 123. a second upright post; 124. a top plate; 1241. a fifth counterbore; 1242. a third connection hole; 1243. a first through hole; 1244. a sixth counterbore; 1245. a seventh counterbore;

20. a drive assembly; 21. a slider; 22. a guide rail; 221. a first counterbore; 23. a second driving member; 24. a mounting base; 241. a third card slot; 25. a first buffer member; 251. a first connection hole; 26. a second buffer member; 27. connecting blocks; 271. a second counterbore; 272. a second card slot;

30. a jig; 31. a first groove;

40. a positioning assembly; 41. a first driving member; 42. a clamping block; 421. an upper arc surface; 422. a lower arc surface;

50. pressing the components; 51. a third driving member; 52. a pressure head; 521. avoiding holes; 522. a first card slot; 53. an anti-rotation member;

210. a battery cover set; 220. a battery case; 230. and (4) a pole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The battery cover assembly pressing device is used for a process of assembling the battery cover assembly 210 into the battery housing 220, and in the conventional battery cover assembly pressing device, as shown in fig. 1, before the battery cover assembly 210 is assembled, the battery cover assembly 210 is firstly sleeved on the pole 230 in the battery housing 220, so as to press the battery cover assembly 210 subsequently. As shown in fig. 2, in the process of assembling the battery cover assembly 210, the battery cover assembly 210 already sleeved on the battery housing 220 is pressed by a manual or existing pressing device, so as to complete the assembly of the battery cover assembly 210 and the battery housing 220. In the pressing process, the problem that the battery cover assembly 210 is not assembled in place easily occurs, and then the problems of reworking, scrapping or reduction of welding strength of subsequent welding procedures and the like occur, so that the battery has poor technological characteristics.

In order to solve the problem, the utility model provides a battery cover group compression fittings, as shown in fig. 3, this battery cover group compression fittings includes fixed subassembly 10, drive assembly 20, tool 30, locating component 40 and pressing components 50, can realize improving the battery yield to the location in the battery cover group 210 installation, has reduced manpower and material cost, improves the uniformity and the work efficiency of product.

Specifically, as shown in fig. 3, the fixing assembly 10 includes a bottom plate 11 and a bracket 12 disposed on the bottom plate 11, the driving assembly 20 is mounted on the bottom plate 11, the jig 30 is driven by the driving assembly 20 and slides on the bottom plate 11, the jig 30 is provided with a first groove 31 for fixedly placing the battery housing 220, so that the battery housing 220 can be driven by the driving assembly 20 and slide on the bottom plate 11, and the battery housing 220 can be moved back and forth between the placing position of the battery housing 220 and the pressing position of the battery cover assembly 210; the positioning assembly 40 is mounted on the bracket 12 and is used for positioning the battery cover assembly 210, so that the center position of the battery cover assembly 210 coincides with the center position of the battery housing 220, and the battery cover assembly 210 can be assembled in place, and the pressing assembly 50 is mounted on the bracket 12 and can be used for pressing the positioned battery cover assembly 210, so that the battery cover assembly 210 is assembled on the battery housing 220.

Through the structure, in the assembling process of the battery cover group 210, the driving assembly 20 drives the jig 30 to the position of the station where the battery shell 220 is placed, at the moment, the battery shell 220 is grabbed and placed in the first groove 31 of the jig 30 through structures such as operators or manipulators, at the moment, the driving assembly 20 drives the jig 30 to move to drive the battery shell 220 to move to the pressing station, the battery cover group 210 and the battery shell 220 are simultaneously clamped through the positioning assembly 40, the battery cover group 210 can be positioned, the battery cover group 210 is pressed through the pressing assembly 50, the problem that the battery cover group 210 is not assembled in place is reduced, the problems of reworking, scrapping or reduction of welding strength of subsequent welding procedures and the like are reduced, the battery yield, the product consistency and the working efficiency are improved, and the labor and the material cost are reduced.

In this embodiment, as shown in fig. 3, the pressing assembly 50 includes a third driving element 51 and a pressing head 52, the third driving element 51 is installed on the fixing assembly 10, the pressing head 52 is fixedly connected to an output end of the third driving element 51, and the pressing head 52 is driven by the third driving element 51, so that the pressing head 52 can reciprocate along the axial direction of the battery housing 220, and further, the pressing of the battery cover assembly 210 can be achieved. Optionally, referring to fig. 5, an avoiding hole 521 is formed at one end of the pressing head 52, which is in contact with the battery cover assembly 210, and the pole 230 in the battery housing 220 can be avoided, so that in the pressing process of the battery cover assembly 210, the pole 230 is prevented from being extruded, and the battery is prevented from being scrapped. Optionally, the diameter of the avoiding hole 521 is much larger than the diameter of the pole 230, and the depth of the avoiding hole 521 is much larger than the length of the pole 230 extending out of the battery housing 220, so that the pole 230 can be avoided better in the pressing process of the battery cover assembly 210.

Optionally, in this embodiment, the third driving element 51 is an air cylinder, which is simple in structure and easy to install and maintain. It is understood that in other embodiments, the third driving element 51 may be other structures capable of driving the pressing head 52 to reciprocate, such as a linear motor.

Optionally, as shown in fig. 4 and 5, the press-fit assembly 50 further includes an anti-rotation member 53, the anti-rotation member 53 is fixedly disposed on the bracket 12, a first clamping groove 522 is formed in one side of the press head 52, and one side of the anti-rotation member 53 is clamped in the first clamping groove 522 to prevent the press head 52 from shaking and rotating, so that the problem that the press head 52 cannot be accurately positioned is avoided, and further, the problem that the process characteristics of the battery cover group 210 are poor due to uneven stress when the press head 52 presses the battery cover group 210 is avoided, the process characteristics of the battery cover group 210 are improved, and the yield is improved.

Optionally, as shown in fig. 3, the positioning assembly 40 includes two first driving members 41 and two latch blocks 42, the two first driving members 41 are symmetrically installed on the bracket 12, and each first driving member 41 is connected with one latch block 42, and the two first driving members 41 can drive the two latch blocks 42 to move in opposite directions, so that the two latch blocks 42 sandwich the battery cover group 210 and the battery housing 220, and position the battery cover group 210, and it can be achieved that a central position of the battery cover group 210 coincides with a central position of the battery housing 220, that is, the two symmetrically arranged first driving members 41 simultaneously drive the two latch blocks 42 to sandwich the battery cover group 210 and the battery housing 220 at the same speed, and correct the position, so that the central position of the battery cover group 210 coincides with the central position of the battery housing 220, and further better achieve pressing and positioning of the battery cover group 210. Optionally, the clamping surface of the latch 42 is a curved surface, so that the latch 42 is more closely attached to the battery cover set 210 and the battery housing 220, respectively. Optionally, as shown in fig. 6, the clamping surface of the fixture block 42 includes an upper arc surface 421 and a lower arc surface 422, the two upper arc surfaces 421 are smaller than the lower arc surface 422, the upper arc surface 421 is used for clamping the battery cover assembly 210, the lower arc surface 422 is used for clamping the battery case 220, and in the positioning calibration process, only when the upper arc surface 421 is completely matched with the arc surface of the battery cover assembly 210 and the lower arc surface 422 is completely matched with the battery case 220, the positioning of the battery cover assembly 210 can be completed.

Optionally, in this embodiment, the first driving element 41 is an air cylinder, which is simple in structure and easy to install and maintain. It is understood that in other embodiments, the first driving element 41 may also be another structure capable of pushing the latch 42 to reciprocate, for example, a linear motor. Preferably, the first drive member 41 is a dual rod cylinder.

In this embodiment, as shown in fig. 3, the driving assembly 20 includes a sliding block 21, a guide rail 22 and a second driving element 23, the guide rail 22 and the second driving element 23 are fixedly connected to the bottom plate 11, the sliding block 21 is slidably disposed on the guide rail 22, the jig 30 is detachably connected to the sliding block 21, and the second driving element 23 is connected to the sliding block 21 in a driving manner, so that the sliding block 21 drives the battery housing 220 in the jig 30 to reciprocate along the guide rail 22 under the driving action of the second driving element 23, so that the jig 30 can slide to a position where the battery housing 220 is placed, and then the battery housing 220 is conveyed to a pressing position, thereby achieving the conveying of the battery housing 220. Optionally, the jig 30 includes a plurality of jigs, and the first recess 31 of a plurality of jigs 30 is different in size for accommodating the battery shell 220 of different sizes, when needing to carry out the pressfitting of battery cover group 210 to the battery of a certain size, can select the jig 30 that matches with this battery to dismantle and connect on slider 21, can realize the location installation to battery shell 220.

Optionally, the guide rail 22 is provided with a first counter bore 221, the bottom plate 11 is provided with a threaded hole, and a fastener penetrates through the first counter bore 221 and is screwed with the threaded hole, so that the guide rail 22 and the bottom plate 11 can be fixedly connected. Optionally, the first counter sink 221 is provided in plurality and equidistantly disposed on the guide rail 22, so as to increase the stability of the connection between the guide rail 22 and the bottom plate 11.

Optionally, as shown in fig. 4, the driving assembly 20 further comprises a connecting block 27, and the connecting block 27 is used for connecting the second driving member 23 and the sliding block 21. Optionally, as shown in fig. 4, a second countersunk hole 271 is formed in one side of the connecting block 27, a threaded hole is formed in the slider 21, and a fastener penetrates through the second countersunk hole 271 and is screwed with the threaded hole, so that the slider 21 can be fixedly connected with the connecting hole. Optionally, a second clamping groove 272 is formed in the other side of the connecting block 27, and is used for clamping the second driving element 23 to realize connection between the connecting block 27 and the second driving element 23, so that connection between the second driving element 23 and the slider 21 can be realized.

Optionally, as shown in fig. 4, the driving assembly 20 further includes a mounting seat 24, and the mounting seat 24 is disposed on the base plate 11 and is used for mounting the second driving member 23 on the mounting seat 24. Optionally, the mounting seat 24 is provided with a third locking groove 241, and the second driving member 23 is fixedly connected to the third locking groove 241. Optionally, as shown in fig. 7, a threaded hole is formed in the bottom of the mounting seat 24, a third countersunk hole 111 is formed in the bottom plate 11, the third countersunk hole 111 can be penetrated through by a fastener and screwed with the threaded hole, the fixed connection between the slider 21 and the connecting hole can be realized, and the countersunk hole design can avoid the interference between the fastener and other structures.

Alternatively, in the present embodiment, the second driving member 23 is a cylinder, which is simple in structure and easy to install and maintain. It is understood that, in other embodiments, the second driving element 23 may also be another structure capable of driving the sliding block 21 to reciprocate, and is not limited in particular.

Optionally, as shown in fig. 4, the driving assembly 20 further includes a first buffer 25 and a second buffer 26, the first buffer 25 and the second buffer 26 are respectively disposed at the maximum stroke and the minimum stroke of the second driving element 23, and the first buffer 25 and the second buffer 26 are disposed to buffer and limit the second driving element 23 and the slider 21 connected thereto. Optionally, the first buffer member 25 and the second buffer member 26 are both made of flexible materials and have a certain buffering effect. Alternatively, as shown in fig. 3, the first buffer 25 is provided with a first connection hole 251, the base plate 11 is provided with a threaded hole, and a fastener passes through the first connection hole 251 to be screwed with the threaded hole, so that the first buffer 25 and the base plate 11 can be fixedly connected. Alternatively, the second buffer 26 is provided with a second connecting hole (not shown in the figure), the mounting seat 24 is provided with a threaded hole, and the fastening member passes through the second connecting hole and is screwed with the threaded hole, so that the second buffer 26 and the mounting seat 24 can be fixedly connected.

In this embodiment, as shown in fig. 3, the bracket 12 includes a first upright column 121, two second mounting plates 122, a second upright column 123 and a top plate 124, the first upright column 121 is fixedly connected between the bottom plate 11 and the top plate 124, the two second mounting plates 122 are mounted on the top plate 124 at intervals through the second upright column 123 and located between the top plate 124 and the bottom plate 11, so that the fixed connection between the bottom plate 11 and the bracket 12 can be achieved, and the fixing assembly 10 is more stable. The positioning assembly 40 is fixedly connected to the second mounting plates 122, and the press-fit assembly 50 is fixedly connected to the top plate 124 and can be arranged between the two second mounting plates 122, so that the positioning assembly 40 is arranged between the jig 30 and the press-fit assembly 50, and the battery cover assembly 210 can be positioned.

Optionally, as shown in fig. 7, a fourth countersunk hole 112 is formed in the bottom plate 11, threaded holes are formed in both ends of the first upright 121, and a fastener is inserted into the fourth countersunk hole 112 and screwed into the threaded hole at one end of the first upright 121, so that the bottom plate 11 and the first upright 121 can be fixedly connected, and the countersunk hole is designed to allow the fastener to be installed in the bottom plate 11, thereby avoiding interference with other structures. Optionally, a fifth counter bore 1241 is provided on the top plate 124, the fastener penetrates through the fifth counter bore 1241 and is screwed up with the threaded hole at the other end of the first upright 121, so as to achieve the fixed connection between the top plate 124 and the first upright 121, and the counter bore is designed to enable the fastener to be installed in the top plate 124, thereby avoiding interference with other structures. With the above structure, the spaced connection between the top plate 124 and the bottom plate 11 can be achieved.

Optionally, a second groove 113 is formed in the bottom plate 11, and the guide rail 22 is disposed at the second groove 113, so that the guide rail 22 can be positioned and mounted. Optionally, the second groove 113 is formed in the center of the bottom plate 11, so that the whole battery cover assembly pressing device has a certain symmetrical design and is aesthetically pleasing. Optionally, a third groove 114 is further formed in the bottom plate 11, and the mounting seat 24 is disposed at the third groove 114, so that the mounting seat 24 can be positioned and mounted.

Optionally, the top plate 124 is opened with a third connecting hole 1242 for fixedly connecting the third driving member 51. Optionally, the top plate 124 is opened with a first through hole 1243 for fixedly connecting the pressing head 52 with the motor. Optionally, the top plate 124 is provided with a sixth counter bore 1244, the anti-rotation member 53 is provided with a threaded hole, and the fastener passes through the sixth counter bore 1244 to be screwed with the threaded hole, so that the anti-rotation member 53 and the top plate 124 can be fixedly connected. Optionally, the sixth counter bore 1244 is a slotted hole, which may enable adjustment of the position of the anti-rotation member 53.

Optionally, a seventh countersunk hole 1245 is formed in the top plate 124, threaded holes are formed in both ends of the second upright post 123, and a fastener is inserted into the seventh countersunk hole 1245 and the threaded hole at one end of the second upright post 123 to be screwed, so that the top plate 124 and the second upright post 123 can be fixedly connected, and the countersunk hole is designed to enable the fastener to be installed in the top plate 124, thereby avoiding interference with other structures. Optionally, each second mounting plate 122 is provided with an eighth countersunk hole 1221, the fastener is inserted into the eighth countersunk hole 1221 and screwed into a threaded hole at the other end of the second upright post 123, so that the second mounting plate 122 and the second upright post 123 can be fixedly connected, and the fastener can be mounted in the second mounting plate 122 by the design of the countersunk hole, so as to avoid interference with other structures. With the above structure, the second mounting plate 122 can be mounted on the top plate 124 and between the top plate 124 and the bottom plate 11. Optionally, the seventh countersunk hole 1245 is an oblong hole, and can implement position adjustment of the two second mounting plates 122, thereby implementing corresponding position adjustment of the two first driving members 41 and the fixture block 42.

Optionally, the second mounting plate 122 is provided with an avoiding groove 1222 for avoiding the first upright 121. Optionally, the second mounting plate 122 is opened with a fourth connecting hole 1223 for fixedly mounting the first driving member 41.

Further, the battery cover assembly pressing device further includes a control component for controlling other structural movements of the battery cover assembly pressing device, which is common knowledge in the art, and the description of the embodiment is omitted.

The operation of the battery cover assembly pressing device provided in this embodiment will be described.

Firstly, selecting a proper jig 30 to be installed on the sliding block 21, controlling the second driving part 23 to drive the sliding block 21 to slide on the guide rail 22 to a battery shell 220 placing station by the control assembly, at the moment, abutting and buffering the second cylinder and the first buffering part 25, placing the battery shell 220 with the battery cover group 210 in the jig 30, and at the moment, controlling the second driving part 23 to drive the sliding block 21 to slide on the guide rail 22 to a battery cover group 210 pressing station by the control assembly; then, the first driving member 41 drives the fixture block 42 to clamp the battery cover group 210 and the battery housing 220, so as to adjust the positions, so that the center position of the battery cover group 210 coincides with the center position of the battery housing 220, and the battery cover group 210 is positioned; further, the battery cover group 210 is pressed by the driving pressure head 52 of the third driving part 51, so that the battery cover group 210 is assembled in the battery shell 220, the problem that the battery cover group 210 is not assembled in place is solved, the problems of reworking, scrapping or welding strength reduction of subsequent welding procedures and the like are solved, the yield of batteries is improved, the product consistency and the working efficiency are improved, and the labor and material cost is reduced.

It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A battery cover assembly compression fitting apparatus for compressing a battery cover assembly (210), the battery cover assembly compression fitting apparatus comprising:

the fixing assembly (10) comprises a bottom plate (11) and a bracket (12) arranged on the bottom plate (11);

a drive assembly (20) mounted on the base plate (11);

the jig (30) is driven by the driving assembly (20) and slides on the bottom plate (11), and the jig (30) is provided with a first groove (31) for fixedly placing a battery shell (220);

the positioning assembly (40) is arranged on the bracket (12) and used for positioning the battery cover group (210) so that the central position of the battery cover group (210) is coincident with the central position of the battery shell (220);

and the pressing component (50) is arranged on the bracket (12) and is used for pressing the positioned battery cover group (210) so as to press the battery cover group (210) on the battery shell (220).

2. The battery cover assembly pressing device according to claim 1, wherein the positioning assembly (40) comprises two first driving members (41) and two clamping blocks (42), the two first driving members (41) are symmetrically installed on the bracket (12), one clamping block (42) is connected to each first driving member (41), and the two first driving members (41) are configured to drive the two clamping blocks (42) to move so as to clamp the battery cover assembly (210).

3. The battery cover assembly pressing device according to claim 2, wherein the clamping surface of the clamping block (42) is a cambered surface.

4. The battery cover assembly pressing device according to claim 1, wherein the driving assembly (20) includes a sliding block (21), a guiding rail (22) and a second driving member (23), the guiding rail (22) and the second driving member (23) are fixedly connected to the base plate (11), the sliding block (21) is slidably disposed on the guiding rail (22), the jig (30) is detachably connected to the sliding block (21), and the second driving member (23) is drivingly connected to the sliding block (21).

5. The battery cover pack compression fitting of claim 4, wherein the driving assembly (20) further comprises a mounting seat (24), the mounting seat (24) is disposed on the base plate (11), and the second driving member (23) is mounted on the mounting seat (24).

6. The battery cover assembly pressing device according to claim 4, wherein the driving assembly (20) further comprises a first buffer member (25) and a second buffer member (26), the second driving member (23) is an air cylinder, the first buffer member (25) and the second buffer member (26) are respectively disposed at a maximum stroke position and a minimum stroke position of the second driving member (23), the first buffer member (25) is configured to buffer and limit the second driving member (23), and the second buffer member (26) is configured to buffer and limit the sliding block (21).

7. The battery cover pack pressing device according to any one of claims 1 to 6, wherein the pressing assembly (50) comprises a third driving member (51) and a pressing head (52), the third driving member (51) is mounted on the bracket (12), the pressing head (52) is fixedly connected to an output end of the third driving member (51), and the third driving member (51) is configured to drive the pressing head (52) to press the battery cover pack (210).

8. The battery cover group pressing device according to claim 7, wherein an avoiding hole (521) is formed at one end of the pressing head (52) contacting the battery cover group (210), and the avoiding hole (521) is configured to avoid a pole (230) in the battery housing (220).

9. The battery cover group compression fitting device according to any one of claims 1-6, wherein the support frame (12) comprises a first upright post (121), two second mounting plates (122), a second upright post (123) and a top plate (124), the first upright post (121) is fixedly connected between the bottom plate (11) and the top plate (124), the two second mounting plates (122) are mounted on the top plate (124) at intervals through the second upright post (123) and are arranged between the top plate (124) and the bottom plate (11), the positioning assembly (40) is fixedly connected to the second mounting plates (122), and the compression fitting assembly (50) is fixedly connected to the top plate (124) and can be arranged between the two second mounting plates (122).

10. The battery cover assembly pressing device according to claim 9, wherein two of the second mounting plates (122) are symmetrically arranged with respect to the jig (30).

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