CN108336394B

CN108336394B - Apparatus for assembling battery cell and housing and method for assembling battery cell and housing

Info

Publication number: CN108336394B
Application number: CN201810184373.7A
Authority: CN
Inventors: 蒋烜; 胡佳涌; 黄华辉; 杨国荣
Original assignee: Wuxi Autowell Technology Co Ltd
Current assignee: Wuxi Autowell Technology Co Ltd
Priority date: 2018-03-07
Filing date: 2018-03-07
Publication date: 2023-12-15
Anticipated expiration: 2038-03-07
Also published as: CN108336394A

Abstract

The invention provides a device for assembling a battery cell and a shell and a method for assembling the battery cell and the shell, wherein the device for assembling the battery cell and the shell comprises a tab processing device, a shell positioning device and a battery cell processing device, and the shell positioning device is positioned between the tab processing device and the battery cell processing device and used for clamping and positioning the shell; the lug processing device is used for inserting two stacked spring pieces into each lug hole of the shell positioned by the shell positioning device, and the insertion ends of the two stacked spring pieces are mutually opened after the two stacked spring pieces are inserted into the lug holes; the battery core processing device is used for fixing and moving a plurality of battery cores which are arranged in a stacked mode, and enabling the lugs of the battery cores which are arranged in the stacked mode to be inserted into the lug holes of the shell under the guidance of the spring pieces. The method for assembling the battery cell and the shell is applied to the equipment for assembling the battery cell and the shell. In the invention, the shell positioning device clamps and positions the shell, the lug processing device is inserted into the spring piece, and the battery cell processing device enables the lug to be inserted into the lug hole, so that the whole process is automatic and efficient.

Description

Apparatus for assembling battery cell and housing and method for assembling battery cell and housing

Technical Field

The present invention relates generally to the field of battery production, and in particular to an apparatus for assembling a battery cell and a housing and a method of assembling a battery cell and a housing.

Background

The lithium battery with high energy storage and quick charging is popular in the market, at present, the demand on the lithium battery in the market is larger and larger, so the demand on the productivity of lithium battery manufacturers is higher and higher, the battery cell and the shell are required to be assembled in the production packaging stage of the soft package lithium battery, the battery cell is arranged in a lamination mode, the tab of the battery cell and the shell are required to pass through the through hole in the shell in the process of assembling the tab of the battery cell, the battery cell and the shell are assembled in the process of manually covering the shell on the battery cell, workers need to straighten the tab of the battery cell one by one, and then the tab of the battery cell is aligned with the through hole in the shell, so the shell is installed on the battery cell, but the laminated battery cell is heavier, the work is very heavy, and the positive tab and the negative tab of the soft package lithium battery cell are easy to be connected in manual operation to cause the short circuit of the soft package lithium battery cell, so the manual operation is extremely cautious in the process, and the manual operation is extremely low.

Therefore, how to improve the automation level of the assembly of the battery cell and the shell and form the assembly line operation, thereby improving the working efficiency and the quality of the battery production is an urgent problem to be solved in the industry.

Disclosure of Invention

It is a primary object of the present invention to overcome at least one of the above-mentioned drawbacks of the prior art and to provide an apparatus for assembling cells and housings and a method of assembling cells and housings that improves the automation level of cell and housing assembly.

In order to achieve the aim of the invention, the invention adopts the following technical scheme:

according to one aspect of the present invention, there is provided an apparatus for assembling a battery cell and a housing, comprising a tab processing device, a housing positioning device, and a battery cell processing device, wherein:

the shell positioning device is positioned between the tab processing device and the battery cell processing device and used for clamping and positioning the shell;

the lug processing device is used for inserting two stacked spring pieces into each lug hole of the shell positioned by the shell positioning device, and the insertion ends of the two stacked spring pieces are mutually opened after being inserted into the lug holes;

the battery cell processing device is used for fixing and moving a plurality of battery cells which are arranged in a stacked mode, and enabling the lugs of the battery cells which are arranged in the stacked mode to be inserted into the lug holes of the shell under the guidance of the spring piece.

According to an embodiment of the present invention, the tab handling apparatus includes a spring piece fixing portion and a spring piece extraction portion, one end of each of two spring pieces in any one group is fixedly connected to the spring piece fixing portion, and the other end thereof is inserted into a through hole of the spring piece extraction portion in a overhanging manner, and the spring piece extraction portion is movable relative to the spring piece fixing portion, so that the spring piece is inserted into the tab hole of the housing abutting against the spring piece extraction portion after the movement of the spring piece extraction portion.

According to an embodiment of the invention, the tab handling device further comprises a slider, a base and a base, wherein the spring piece leading-out part is connected to the slider, the slider is slidably mounted on the base, the spring piece fixing part is mounted on the base, and the base is slidably mounted on the base.

According to an embodiment of the present invention, the spring piece fixing portion includes a plurality of stacked compression blocks, two spring pieces in each group are compressed between every two stacked compression blocks, and the spring piece extraction portion includes a plurality of slots corresponding to the guide spring pieces.

According to one embodiment of the invention, the shell positioning device comprises a positioning platform and a shell clamping part, wherein the positioning platform is linked with the spring piece leading-out part, and the shell clamping part is arranged on the positioning platform and is used for clamping and fixing the shell.

According to an embodiment of the invention, the device for assembling the battery cell and the shell further comprises a lifting mechanism, the lifting mechanism comprises a lifting platform and a driving piece, the driving piece drives the lifting platform to move, and the tab processing device and the shell positioning device are both installed on the lifting platform.

According to one embodiment of the invention, the cell processing device comprises a pressing mechanism, a clamping and rotating mechanism and a pushing mechanism, wherein the pressing mechanism is used for pressing a plurality of stacked cells from the upper part, the clamping and rotating mechanism is used for clamping the cells and rotating the cells after pressing the cells, and the pushing mechanism is used for pushing the rotated cells to the shell and enabling the lugs of the cells to be inserted into the lug holes of the shell.

According to one embodiment of the invention, the clamping and rotating mechanism comprises a rotating driving part, a rotating platform and a sliding clamping part, the pushing mechanism comprises a pushing seat, a pushing guide rail and a pushing cylinder, the pushing mechanism comprises a pushing cylinder and a pushing head, the rotating driving part is arranged on the pushing seat, the rotating platform is arranged on the rotating driving part and is used for placing a battery cell, the sliding clamping part is arranged on the rotating platform and is positioned on two sides of the battery cell, the pushing seat is in sliding fit with the pushing guide rail, a piston rod of the pushing cylinder is connected with the pushing seat, a cylinder body of the pushing cylinder is fixedly arranged, and the piston rod is connected with the pushing head.

According to one embodiment of the invention, the device for assembling the battery cell and the shell further comprises a shell conveying device, wherein the shell conveying device comprises a grabbing mechanism, a moving mechanism and a moving cross beam, the moving cross beam is fixedly arranged corresponding to the shell positioning device and the shell storage device, the moving mechanism is movably arranged on the moving cross beam and can reciprocate between the shell positioning device and the shell storage device, and the grabbing mechanism is arranged on the moving mechanism and used for grabbing the shell in the shell storage device.

According to one embodiment of the present invention, the housing storage device includes a plurality of slots for inserting the housing and a separation column for separating the housings in the two slots.

According to one embodiment of the invention, the moving mechanism comprises a traversing part and a lifting part, wherein the lifting part is provided with the grabbing mechanism and lifts relative to the moving beam, and the traversing part is provided with the lifting part and is in sliding fit with the moving beam.

According to another aspect of the present invention, there is provided a method of assembling a battery cell and a case, applied to an apparatus for assembling a battery cell and a case as described above, the method of assembling a battery cell and a case comprising:

positioning the shell;

moving the shell, and enabling the prepared laminated spring piece group to pass through the lug holes on the shell and then to be opened relatively;

compressing the stacked battery cells;

clamping the battery cell and rotating the battery cell;

pushing the battery cell to the shell, and leading the lug of the battery cell to penetrate into the lug hole of the shell;

simultaneously, the battery core and the shell are clamped and moved, so that the spring piece group is separated from the lug hole.

According to the technical scheme, the equipment for assembling the battery cell and the shell and the method for assembling the battery cell and the shell have the advantages and positive effects that:

According to the invention, the shell is clamped and positioned by the shell positioning device, the lug processing device inserts two laminated spring pieces into each lug hole of the shell positioned by the shell positioning device, the battery core processing device fixes and moves a plurality of battery cores in laminated arrangement, and the lugs of the battery cores in laminated arrangement are inserted into the lug holes of the shell under the guidance of the spring pieces, so that the whole process is automated in line operation, the working efficiency is greatly improved, the labor intensity and the error rate are reduced, and the battery core processing device has very good economic value and market popularization prospect.

Drawings

Various objects, features and advantages of the present invention will become more apparent from the following detailed description of the preferred embodiments of the invention, when taken in conjunction with the accompanying drawings. The drawings are merely exemplary illustrations of the invention and are not necessarily drawn to scale. In the drawings, like reference numerals refer to the same or similar parts throughout. Wherein:

FIG. 1 is a schematic view of a partially assembled perspective view of an embodiment of the apparatus for assembling a battery cell and a housing of the present invention;

fig. 2 is a schematic perspective view of a magazine according to an embodiment of the apparatus for assembling a battery cell and a housing of the present invention;

fig. 3 is a schematic, overall assembled front view of an embodiment of the apparatus for assembling a cell and a housing of the present invention;

Fig. 4 is a schematic perspective view of a grabbing mechanism of an embodiment of the apparatus for assembling a battery cell and a housing according to the present invention;

fig. 5 is a schematic perspective view of another partially assembled perspective view of an embodiment of the apparatus for assembling a battery cell and a housing of the present invention;

fig. 6 is a perspective view of yet another portion of an embodiment of the apparatus for assembling a battery cell and a housing of the present invention assembled;

fig. 7 is a schematic view of another perspective view of yet another portion of an embodiment of the apparatus for assembling a battery cell and a housing of the present invention;

fig. 8 is a schematic perspective view of a housing positioning jaw of an embodiment of the apparatus for assembling a battery cell and a housing of the present invention;

FIG. 9 is a schematic view of a partially assembled perspective view of a tab handling apparatus according to an embodiment of the apparatus for assembling a battery cell and a housing of the present invention;

fig. 10 is a schematic perspective view of a battery cell processing device according to an embodiment of the apparatus for assembling a battery cell and a housing of the present invention;

FIG. 11 is a schematic view of a partially assembled perspective view of a cell handling device according to an embodiment of the apparatus for assembling a cell and a housing of the present invention;

fig. 12 is a schematic view of another partially assembled perspective view of a cell handling device according to an embodiment of the apparatus for assembling a cell and a housing of the present invention.

Wherein reference numerals are as follows:

1. A bottom plate; 11. a column; 12. a connecting beam; 2. a housing storage device; 21. a storage box; 211. a material bearing plate; 2111. a separation column; 212. a vertical plate; 2121. a slot; 2122. a convex portion; 22. a sliding structure; 221. a carriage; 222. a case; 3. a housing conveying device; 31. a movable cross beam; 32. a moving mechanism; 321. a traversing part; 3211. a first motor; 3212. the first lead screw nut pair; 3213. a first slider; 3214. a first slide rail; 3215. a second traverse section; 3216. a first connection plate; 322. a lifting part; 3221. a second motor; 3222. the second lead screw nut pair; 3223. a second slider; 3224. a second slide rail; 3225. a second connecting plate; 33. a grabbing mechanism; 331. a first mounting plate; 332. a second cylinder; 333. a shell feeding clamping jaw; 334. a third cylinder; 335. a shell pressing block; 4. a lifting mechanism; 41. a lifting platform; 411. a third connecting plate; 412. a third slider; 413. a third slide rail; 414. a mounting base; 42. a driving member; 5. a housing positioning device; 51. a first driving section; 52. positioning a platform; 521. positioning a bottom plate; 522. positioning a vertical plate; 523. rib plates; 53. a housing clamping portion; 531. a second driving section; 532. a fourth slider; 533. a fourth connecting plate; 534. a second mounting plate; 535. a mounting block; 536. a housing positioning jaw; 5361. a frame body; 5362. an elastic column; 5363. a rigid block; 6. a tab handling device; 61. a support column; 62. a base; 63. a base; 64. a third mounting plate; 65. a spring piece leading-out part; 651. a leaf spring lead-out plate; 6511. slotting; 66. a slide rail; 67. a slide block; 68. a spring piece fixing part; 681. a fourth mounting plate; 682. a fifth connecting plate; 683. a mounting frame; 684. a compaction block; 685. a spring piece; 69. a third driving section; 691. a fifth mounting plate; 692. a power member; 693. a sixth connecting plate; 7. a cell processing device; 71. a propulsion mechanism; 711. pushing the guide rail; 712. pushing the sliding block; 713. a pushing seat; 714. a pushing cylinder; 72. a clamping rotation mechanism; 721. a rotation driving part; 722. rotating the platform; 7221. a battery cell placement platform; 723. a sliding clamping part; 7231. a sixth mounting plate; 7232. a first mounting post; 7233. a seventh connecting plate; 7234. an eighth connecting plate; 7235. a fourth cylinder; 7236. a cell clamping jaw; 7237. a guide structure; 73. a pressing mechanism; 731. a seventh mounting plate; 732. a second mounting post; 733. a lifting assembly; 7331. a ninth connection plate; 7332. a fifth cylinder; 7333. an eighth mounting plate; 7334. a guide member; 734. an opening and closing assembly; 7341. a ninth mounting plate; 7342. a pressing cylinder is pressed down; 7343. a tenth connecting plate; 7344. a lower pressure head; 7345. a fifth slider; 7346. and a fifth sliding rail.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.

In the following description of different examples of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration different exemplary structures, systems, and steps in which aspects of the invention may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized and structural and functional modifications may be made without departing from the scope of the present invention. Moreover, although the terms "top," "bottom," "front," "rear," "side," and the like may be used herein to describe various example features and elements of the invention, these terms are used herein for convenience only, e.g., according to the orientation of the examples depicted in the figures. Nothing in this specification should be construed as requiring a particular three-dimensional orientation of the structure in order to fall within the scope of the invention.

Fig. 1 is a partially assembled perspective view of an embodiment of the apparatus for assembling a battery cell and a housing of the present invention. As shown in fig. 1, the apparatus for assembling a battery cell and a housing of this embodiment includes a tab processing device 6, a housing positioning device 5, and a battery cell processing device 7, wherein: the shell positioning device 5 is positioned between the tab processing device 6 and the battery cell processing device 7 and used for clamping and positioning the shell; the tab processing device 6 is configured to insert two stacked spring pieces 685 into each tab hole of the housing positioned by the housing positioning device 5, where the insertion ends of the two stacked spring pieces 685 are mutually opened after being inserted into the tab holes; the cell handling device 7 is used for fixing and moving a plurality of stacked cells, and inserting the tabs of the stacked cells into the tab holes of the housing under the guidance of the spring piece 685.

Fig. 2 is a schematic perspective view of a magazine 21 according to an embodiment of the apparatus for assembling a battery cell and a housing of the present invention. As shown in fig. 1 and 2, in this embodiment, the apparatus for assembling the battery cell and the housing includes a base plate 1, and the base plate 1 is provided with housing storage devices 2, where the number of the housing storage devices 2 may be one, two or more, depending on specific requirements, and in this embodiment, the number of the housing storage devices 2 is four, and the four housing storage devices 2 are linearly arranged in parallel; the shell storage device 2 comprises a storage box 21 and a sliding structure 22, the storage box 21 comprises a material bearing plate 211 and two vertical plates 212, a plurality of slots 2121 are formed in one surface of the vertical plates 212 along the width direction of the vertical plates 212, the slots 2121 are used for inserting a shell, protruding portions 2122 are arranged between the two adjacent slots 2121, the two vertical plates 212 are oppositely arranged on two sides of one surface of the material bearing plate 211 along the length direction, the positions of the slots 2121 of the two vertical plates 212 are in one-to-one correspondence, the protruding portions 2122 of the two vertical plates 212 are also in one-to-one correspondence, a plurality of isolation columns 2111 are arranged on the material bearing plate 211 on the inner side of the two vertical plates 212, the isolation columns 2111 are used for isolating the shell in the two adjacent slots 2121, and by the design of the isolation columns 2111 arranged between the two adjacent slots 2121, when an operator inserts the shell into the storage box 21, the shell is not inserted into the corresponding slots 2121 in a staggered manner, one or two isolation columns 2111 are arranged between each group of corresponding to the two corresponding protruding portions 2122, and one or more isolation columns 2111 can be actually required; the sliding structure 22 may include a sliding frame 221 and a box 222, the storage box 21 is fixedly arranged on the sliding frame 221, the sliding frame 221 is slidably sleeved on the box 222, the box 222 is fixedly arranged on the bottom plate 1, in another embodiment, the sliding structure 22 may also include a sliding block and a sliding rail, the storage box 21 is fixedly arranged on the sliding block, the sliding block is in sliding fit with the sliding rail, and the sliding rail is fixedly arranged on the bottom plate 1; after the loading of the magazine 21 in the previous process is completed, the sliding structure 22 is convenient for conveying the magazine 21 to a predetermined position.

Fig. 3 is a schematic front view of an overall assembly of an embodiment of the apparatus for assembling a cell and a housing of the present invention. As shown in fig. 3, in this embodiment, a group of columns 11 is installed on the base plate 1, the number of columns 11 may be four and installed on four corners of the base plate 1, the left Bian Liangli column 11 and the right Bian Liangli column 11 are respectively provided with a connection beam 12, the housing conveying device 3 is straddled on the two connection beams 12, the housing conveying device 3 includes a movable cross beam 31, a movable mechanism 32 and a grabbing mechanism 33, and the movable cross beam 31 is straddled on the two connection beams 12 on the columns 11 and is located above the housing storage device 2 and the housing positioning device 5.

In this embodiment, the moving mechanism 32 can reciprocate between the housing positioning device 5 and the housing storage device 2, the moving mechanism 32 includes a moving part 321 and a lifting part 322, the moving part 321 includes a first motor 3211, a first screw nut pair 3212, a first slider 3213, a first sliding rail 3214 and a second moving part 3215, the first motor 3211 is used for driving the first slider 3213 to move laterally along the first sliding rail 3214, the first motor 3211 is connected to a screw of the first screw nut pair 3212, the first screw nut pair 3212 is disposed along the length direction of the moving beam 31, a first slider 3213 is mounted on a nut of the first screw nut pair 3212, the first slider 3213 is slidingly matched with the first sliding rail 3214, the first sliding rail 3214 is fixedly disposed on the moving beam 31 along the length direction of the moving beam 31, the first slider 3213 is fixedly connected to the second moving part 3215 through a first connecting plate 3216, the second moving part 3215 may be a nut pair driven by a motor, in another embodiment, the second moving part 3215 may also be a cylinder, and the second moving part 3215 moves vertically along the lifting part 322 along the length direction of the moving beam 31.

In this embodiment, the lifting portion 322 is lifted relative to the movable cross beam 31, the lifting portion 322 includes a second motor 3221, a second screw nut pair 3222, a second slider 3223 and a second sliding rail 3224, the second motor 3221, the second screw nut pair 3222, the second slider 3223 and the second sliding rail 3224 are all vertically arranged, the second motor 3221 is connected with a screw of the second screw nut pair 3222 through a coupling, the second slider 3223 is mounted on a nut of the second screw nut pair 3222, the second slider 3223 is in sliding fit with the second sliding rail 3224, and the grabbing mechanism 33 is mounted on the second slider 3223 through a second connecting plate 3225.

Fig. 4 is a schematic perspective view of a grabbing mechanism 33 of an embodiment of the apparatus for assembling a battery cell and a housing according to the present invention. As shown in fig. 4, in this embodiment, the grabbing mechanism 33 is used for grabbing the housing in the housing storage device 2, the grabbing mechanism 33 includes a first mounting plate 331, a second air cylinder 332, housing feeding clamping claws 333, a third air cylinder 334 and a housing pressing block 335, the first mounting plate 331 is connected with a second slider 3223 of the lifting portion 322 of the moving mechanism 32 through a second connecting plate 3225, the second air cylinder 332 is fixedly arranged on the lower surface of the first mounting plate 331, the number of the housing feeding clamping claws 333 is two, elastic materials are arranged at the inner sides of the clamping ends of the housing feeding clamping claws 333 to avoid damaging the housing, the two housing feeding clamping claws 333 are connected with piston rods of the second air cylinder 332 and are oppositely arranged, the third air cylinder 334 is fixedly arranged on the lower surface of the first mounting plate 331, and the piston rod of the third air cylinder 334 is connected with the housing pressing block 335 and the housing pressing block 335 is located between the two housing feeding clamping claws 333.

In this embodiment, the first motor 3211 of the traversing part 321 drives the first slider 3213 to move transversely along the first sliding rail 3214 through the first screw-nut pair 3212, drives the second traversing part 3215 on the first slider 3213 and the lifting part 322 connected with the screw nut of the second traversing part 3215 and the grabbing mechanism 33 arranged on the lifting part 322 to move transversely along the first sliding rail 3214 so as to enable the grabbing mechanism 33 to move transversely above the housing storage device 2, the motor of the second traversing part 3215 on the first slider 3213 of the traversing part 321 drives the screw nut to move, drives the lifting part 322 and the grabbing mechanism 33 arranged on the lifting part 322 to move in a direction perpendicular to the moving beam 31 in a horizontal plane so as to enable the grabbing mechanism 33 to move in a direction perpendicular to the moving beam 31 to a housing in the housing storage device 2 in the horizontal plane, the second motor 3221 of the lifting part 322 drives the second slide block 3223 to descend along the second slide rail 3224, further drives the grabbing mechanism 33 arranged on the second slide block 3223 to descend into the shell storage device 2, the third air cylinder 334 acts to drive the shell pressing block 335 to press the shell, so that the shell is correctly not inclined, namely, the shell is stressed stably before being clamped by the design of the pressing block 335, the shell is prevented from being displaced when being clamped by the clamping force of the shell feeding clamping jaw 333 on one side, the clamping precision of the grabbing mechanism 33 to the shell is prevented from being influenced, the positioning clamping of the shell is prevented from being influenced by the subsequent process, the second air cylinder 332 acts to drive the two shell feeding clamping jaws to move oppositely to clamp the shell, the lifting part 322 drives the grabbing mechanism 33 clamped with one shell to ascend and return, the second lateral moving part 3215 of the lateral moving part 321 drives the lifting part 322 and the grabbing mechanism 33 to return, the first motor 3211 of the traversing part 321 drives the first slider 3213 to drive the lifting part 322 and the grabbing mechanism 33 that has grabbed a shell to move laterally to the shell positioning device 5.

Fig. 5 is a schematic perspective view of another partially assembled perspective view of an embodiment of the apparatus for assembling a battery cell and a housing of the present invention. As shown in fig. 5, in this embodiment, the apparatus for assembling the battery cell and the housing further includes a lifting mechanism 4, the lifting mechanism 4 includes a lifting platform 41 and a driving member 42, two third connecting plates 411 symmetrically disposed are disposed on two sides of the lower surface of the lifting platform 41 along the width direction, a third sliding block 412 is vertically disposed on each of the two third connecting plates 411, the two third sliding blocks 412 are respectively slidably matched with a third sliding rail 413, the two third sliding rails 413 are respectively vertically disposed on a mounting seat 414, the two mounting seats 414 are fixedly disposed on the bottom plate 1, the driving member 42 may be an air cylinder or a hydraulic cylinder, a cylinder body of the air cylinder or the hydraulic cylinder is fixedly disposed on the bottom plate 1, a piston rod of the air cylinder or the hydraulic cylinder passes through the lifting platform 41 and is fixedly connected with the air cylinder or the hydraulic cylinder, the housing positioning device 5 and the lug processing device 6 are both mounted on the lifting platform 41, and the driving member 42 drives the lifting platform 41 to lift so as to adjust the height of the lifting platform 41 to adapt to housings of various specifications, that is to use housings of different types corresponding to different types of battery cells, and each lug hole on the housing and corresponding lug on the battery cell are on the same horizontal plane.

Fig. 6 is a perspective view illustrating a perspective view of still another part of an embodiment of the apparatus for assembling a battery cell and a housing according to the present invention, and fig. 7 is a perspective view illustrating another perspective view of still another part of an embodiment of the apparatus for assembling a battery cell and a housing according to the present invention; fig. 8 is a schematic perspective view of a housing positioning jaw 536 of an embodiment of the apparatus for assembling a battery cell and a housing of the present invention.

As shown in fig. 6, 7 and 8, in this embodiment, the housing positioning device 5 located between the tab handling device 6 and the battery cell handling device 7 and mounted on the lifting platform 41 of the lifting mechanism 4 includes a first driving portion 51, a positioning platform 52 and a housing clamping portion 53, where the first driving portion 51 is centrally fixed on the lifting platform 41 of the lifting mechanism 4 and is used to drive the positioning platform 52 and the housing clamping portion 53 to approach or separate from the tab handling device 6, the first driving portion 51 may be a cylinder or a hydraulic cylinder, or a screw nut pair driven by a motor, and the first driving portion 51 carries and connects with the positioning platform 52; the positioning platform 52 includes a positioning bottom plate 521, a positioning vertical plate 522, and a rib plate 523, where the positioning bottom plate 521 is horizontally and centrally installed on a piston rod of an air cylinder or a hydraulic cylinder of the first driving part 51, and the positioning vertical plate 522 is vertically installed on the positioning bottom plate 521 and is connected to the positioning bottom plate 521 by two rib plates 523 to enhance the connection rigidity between the positioning vertical plate 522 and the positioning bottom plate 521.

In this embodiment, the housing clamping portion 53 includes a second driving portion 531, a fourth slider 532, a fourth connecting plate 533, a second mounting plate 534, mounting blocks 535 and housing positioning clamping jaws 536, the second driving portion 531 is centrally mounted at an upper edge of one side of the positioning vertical plate 522 of the positioning platform 52, the second driving portion 531 may be a bidirectional cylinder, the number of the fourth sliders 532 is two and is connected with piston rods of the bidirectional cylinder of the second driving portion 531, the number of the fourth connecting plate 533 is two, the two fourth connecting plates 533 are respectively mounted at the two fourth sliders 532 and are symmetrical with each other, the number of the second mounting plates 534 is two, the two second mounting plates 534 are respectively mounted at the two fourth connecting plates 533 and are symmetrical with each other, the number of the mounting blocks 535 is two, the two housing positioning clamping jaws 536 are respectively mounted at the two mounting blocks 535 and are symmetrical with each other, the housing positioning clamping jaws 536 include a frame 5361, two elastic columns 5362 and two rigid blocks 5363, and two elastic columns 5362 and two rigid columns 5362 are respectively mounted at the two sides of the two side faces of the two rigid columns 5362, and the two rigid columns 5363 can be clamped with the two rigid columns 5362 and can be clamped with the two rigid columns 5363.

In this embodiment, after the housing conveying device 3 conveys a housing to the housing positioning device 5, the second driving portion 531 of the housing clamping portion 53 drives the two fourth sliders 532 and the two housing positioning clamping jaws 536 connected with the two fourth sliders 532 to clamp and fix the housing, and the first driving portion 51 of the housing positioning device 5 drives the positioning platform 52 connected with the first driving portion and the housing clamping portion mounted on the positioning platform 52 to move towards the direction approaching the tab handling device 6, so that the housing approaches the tab handling device 6.

Fig. 9 is a schematic view of a partially assembled perspective view of a tab handling apparatus 6 according to an embodiment of the apparatus for assembling a battery cell and a housing of the present invention. As shown in fig. 7 and 9, in this embodiment, the tab handling device 6 mounted on the lifting platform 41 of the lifting mechanism 4 includes a support column 61, a base 62, a base 63, a third mounting plate 64, a spring leaf lead-out portion 65, a slide rail 66, a slider 67, a spring leaf fixing portion 68 and a third driving portion 69, the number of the support columns 61 is four, in this embodiment, the number of the support columns 61 can be determined according to specific requirements, four support columns 61 are mounted on the lifting platform 41 of the lifting mechanism 4 in two rows and two columns, the base 62 is mounted on the four support columns 61, the base 62 is in a flat plate structure, the base 63 is centrally mounted on the upper surface of the base 62 near one edge of the shell positioning device 5, the third mounting plate 64 is vertically fixed on the base 63 and one end of the base 62 is overhanging, the spring leaf lead-out portion 65 includes two spring leaf lead-out plates 651, a plurality of corresponding slots 6511 for guiding the spring leaf 685 are respectively provided on each spring leaf lead-out plate 651, in this embodiment, the four support columns 61 are mounted on two opposite surfaces of one end of the base 62 are overhanging the edge of the base 62 through threaded connection pieces, so that the edge of the third mounting plate 64 is overhanging the edge of the spring leaf lead-out plate 62 is located between the two spring leaf lead-out plates 11 and the shell positioning device.

In this embodiment, the sliding rail 66 is mounted on the base 62 behind the base 63 provided with the spring piece leading-out portion 65, the sliding block 67 is slidably matched with the sliding rail 66, the spring piece fixing portion 68 is mounted on the sliding block 67, the spring piece fixing portion 68 includes a fourth mounting plate 681, a fifth connecting plate 682, a mounting frame 683, a compression block 684 and a spring piece 685, the fourth mounting plate 681 is mounted on the sliding block 67, the fifth connecting plate 682 is an L-shaped plate, the number of the fifth connecting plates 682 is two, the two L-shaped fifth connecting plates 682 face to be arranged in a consistent manner, one horizontal section of the fifth connecting plate is fixedly connected with the fourth mounting plate 681 through a threaded connecting piece, the number of the mounting frames 683 is two, the lower parts of the two mounting frames 683 are respectively connected with the vertical sections of the two L-shaped fifth connecting plates 682, the upper parts of the two mounting frames 683 are overhanging the fourth mounting plate 681 on the sliding block 67, and make the one end clamp that the third mounting panel 64 did not overhang base 62 edge locate between two mounting brackets 683, compact heap 684 is equipped with a plurality ofly, a plurality of compact heap 684 average divide into two sets of respectively clamp that vertical range upon range of was arranged and locate on two mounting brackets 683, two liang of spring leaf 685 of stacking are a set of, set up the two liang of spring leaf 685 of multiunit, the one end of two liang of spring leaf 685 of stacking is pressed from both sides respectively and is located in a plurality of gaps that a plurality of compact heap 684 and mounting brackets 683 formed, and pass two sets of compact heap 684 that two mounting brackets 683 respectively press from both sides the one end of two liang of spring leaf 685 of multiunit and fix, the other end of two liang of spring leaf 685 of stacking is hung from both sides respectively and is inserted in a plurality of fluting 6511 of spring leaf portion 65.

In this embodiment, the third driving portion 69 includes a fifth mounting plate 691, a power member 692 and a sixth connecting plate 693, the fifth mounting plate 691 is vertically mounted on a side surface of the base 62 far from the direction of the spring piece leading-out portion 65, the power member 692 is mounted on the fifth mounting plate 691, the power member 692 may be a cylinder, a piston rod of the cylinder of the power member 692 is connected with one end of the sixth connecting plate 693, and the other end of the sixth connecting plate 693 is fixedly connected with a side surface of the fourth mounting plate 681 of the spring piece fixing portion 68 through a threaded connection member; the third driving portion 69 drives the spring piece fixing portion 68 mounted on the slider 67 to move along the sliding rail 66 in a direction approaching the spring piece leading-out portion 65, so as to drive the other ends of the plurality of groups of stacked spring pieces 685 disposed on the spring piece fixing portion 68 to respectively penetrate through the plurality of grooves 6511 of the spring piece leading-out portion 65 and insert into the lug holes of the shell abutting against the spring piece leading-out portion 65, the insertion ends of the spring pieces 685 disposed in each group in a stacked manner are mutually opened under the action of elastic force after penetrating out of each groove 6511 of the spring piece leading-out portion 65, and meanwhile, because the lug holes on the shell are close to the grooves 6511, the insertion ends of the spring pieces 685 disposed in each group in a stacked manner are mutually opened under the action of elastic force after being further inserted into the lug holes of the shell.

Fig. 10 is a schematic perspective view of a battery cell processing device 7 according to an embodiment of the apparatus for assembling a battery cell and a housing of the present invention, fig. 11 is a schematic perspective view of a portion of an assembled battery cell processing device 7 according to an embodiment of the apparatus for assembling a battery cell and a housing of the present invention, and fig. 12 is a schematic perspective view of another portion of an assembled battery cell processing device 7 according to an embodiment of the apparatus for assembling a battery cell and a housing of the present invention.

As shown in fig. 10, 11 and 12, in this embodiment, the battery cell handling device 7 includes a pushing mechanism 71, a clamping and rotating mechanism 72 and a pressing mechanism 73, where the pushing mechanism 71 includes a pushing rail 711, a pushing slider 712, a pushing seat 713 and a pushing cylinder 714, the pushing rail 711 is mounted on the base plate 1, the pushing slider 712 is slidably matched with the pushing rail 711, the pushing seat 713 is mounted on the pushing slider 712, a cylinder body of the pushing cylinder 714 is fixedly connected to an end surface of the pushing rail 711, a piston rod of the pushing cylinder 714 is connected to the pushing seat 713, and a piston rod of the pushing cylinder 714 stretches to drive the pushing seat 713 connected to the piston rod of the pushing cylinder 714 and the pushing slider 712 mounted with the pushing seat 713 to move along the pushing rail 711; in another embodiment, the pushing mechanism 71 may also include a pushing guide rail 711, a pushing sliding block 712, a pushing seat 713 and a motor driven screw nut pair, where the motor drives the screw nut pair connected with the motor to drive the pushing sliding block 712 mounted on the screw nut and the pushing seat 713 on the pushing sliding block 712 to move along the pushing guide rail 711.

In this embodiment, the clamping and rotating mechanism 72 includes a rotation driving part 721, a rotation platform 722, and a sliding clamping part 723, the rotation driving part 721 is mounted on the pushing base 713, the rotation driving part 721 may include a stepping motor to implement intermittent rotation, and the rotation axis of the rotation driving part 721 is vertically disposed; the rotary platform 722 is installed on the rotary driving part 721, a battery cell placement platform 7221 is arranged on the rotary platform 722 in the middle and used for placing battery cells, the battery cell placement platform 7221 comprises two battery cell support plates and a channel steel, the two battery cell support plates are installed on two side surfaces of the channel steel in a parallel and vertical mode through threaded connectors, and the lower side surfaces of the two battery cell support plates are fixedly arranged on the rotary platform 722.

In this embodiment, the number of the sliding clamping parts 723 is two, the two sliding clamping parts 723 are matched to clamp and stack the electric core which is arranged on the electric core placing platform 7221, the two sliding clamping parts 723 are arranged on the rotating platform 722 and are respectively positioned on two sides of the electric core on the electric core placing platform 7221, the two sliding clamping parts 723 are symmetrically arranged on the electric core placing platform 7221, each sliding clamping part 723 comprises a sixth mounting plate 7231, a first mounting post 7232, a seventh connecting plate 7233, an eighth connecting plate 7234, a fourth air cylinder 7235, an electric core clamping jaw 7236 and a guide structure 7237, the sixth mounting plate 7231 is arranged on the rotating platform 722 and is positioned on one side of the electric core which is arranged on the electric core placing platform 7221, the first mounting posts 7232 are arranged on the two side by side and are fixedly arranged on the electric core placing platform 7231, the seventh connecting plate 7233 is sleeved on the two first mounting posts 7232 and is fixedly arranged on the two first mounting posts 7232 by a threaded connecting piece, the eighth connecting plate 7234 is vertically fixedly arranged on the seventh connecting plate 7233 through a threaded connecting piece, a cylinder body of the fourth air cylinder 7235 is fixedly arranged on the seventh connecting plate 7233, a cylinder body of the fourth connecting plate 7235 is arranged on the middle of the eighth connecting plate 7234, the fourth connecting plate 7235 is fixedly arranged on the fourth connecting plate 7234, the fourth connecting plate 7234 is arranged on the fourth connecting plate 7236 and penetrates through the guide structure 7236 along the direction of the electric core 7236, and penetrates through the guide structure 7236.

In this embodiment, the pressing mechanisms 73 are used for pressing a plurality of stacked battery cells from the upper portion, the number of the pressing mechanisms 73 is two, the two pressing mechanisms 73 are matched to jointly press the stacked battery cells, the two pressing mechanisms 73 are installed on the rotating platform 722 and are respectively located at two sides of the battery cells on the battery cell placing platform 7221, the two pressing mechanisms 73 are symmetrically arranged relative to the battery cell placing platform 7221, each pressing mechanism 73 comprises a seventh installation plate 731, a second installation column 732, a lifting assembly 733 and an opening and closing assembly 734, the seventh installation plate 731 is movably installed on the rotating platform 722 and located at one side of the battery cells on the battery cell placing platform 7221, the seventh installation plate 731 is movably installed on the rotating platform 722, so that compatibility of the pressing mechanisms 73 is increased, the pressing mechanisms 73 can be compatible with battery cells of various types, the movable installation of this embodiment can adopt waist holes, sliding rails or lateral movement servos, etc., without limitation, the second installation columns 732 are provided with two and are fixedly arranged on the seventh installation plate 731 in parallel; the lifting assembly 733 comprises a ninth connecting plate 7331, a fifth air cylinder 7332, an eighth mounting plate 7333 and two guide members 7334, wherein the ninth connecting plate 7331 is sleeved on the two second mounting columns 732 and is fixed with the two second mounting columns 732 through a threaded connector, the fifth air cylinder 7332 is mounted on the ninth connecting plate 7331, the eighth mounting plate 7333 is sleeved on the two second mounting columns 732 through two through holes on the eighth connecting plate 7333, the piston rod of the fifth air cylinder 7332 is vertically upwards connected with the eighth mounting plate 7333, the number of the guide members 7334 is two, the two guide members 7334 are respectively sleeved on the two second mounting columns 732, and one end of each guide member 7334 is fixedly connected with the lower surface of the eighth mounting plate 7333.

In this embodiment, the opening and closing assembly 734 is mounted on an eighth mounting plate 7333 of the lifting assembly 733, the opening and closing assembly 734 includes a ninth mounting plate 7341, a lower pressing cylinder 7342, a tenth connecting plate 7343, a lower pressing head 7344, a fifth sliding block 7345 and a fifth sliding rail 7346, the ninth mounting plate 7341 is mounted on top of the two second mounting posts 732, the lower pressing cylinder 7342 is fixedly mounted on the ninth mounting plate 7341 through a connecting plate, a vertical U-shaped through slot is formed in the tenth connecting plate 7343, a piston rod of the lower pressing cylinder 7342 is clamped and slidably engaged with the U-shaped through slot in the tenth connecting plate 7343, the tenth connecting plate 7343 is vertically disposed and has a bottom end fixedly connected with one end of the lower pressing head 7344, the lower pressing head 7344 is horizontally disposed and has a U-shaped through hole so that the lower pressing head 7344 is sleeved on the two second mounting posts 732, the lower surface of the lower pressing head 7344 is parallel mounted with the two fifth sliding blocks 7345, the two fifth sliding blocks 7345 are slidably engaged with the two fifth sliding rails 7346 respectively, and the two fifth sliding rails 7346 are mounted on the eighth mounting plate 733 of the lifting assembly 733.

In this embodiment, the housing positioning device 5, the tab processing device 6, and the cell processing device 7 are set up in a set, and two sets of sets are provided in this embodiment, and in other embodiments, the number of sets of specific sets may depend on actual requirements.

In this embodiment, the piston rods of the pressing cylinders 7342 of the opening and closing assemblies 734 fixed on the second mounting columns 732 are contracted, the piston rods of the pressing cylinders 7342 are driven to be clamped and slidably matched with the tenth connecting plate 7343 to move towards the direction close to the stacked battery cells, and then the pressing heads 7344 fixedly connected with the bottom ends of the tenth connecting plate 7343 are driven to move towards the direction close to the stacked battery cells under the sliding fit of the fifth sliding blocks 7345 and the fifth sliding rails 7346 fixed on the lower surfaces of the pressing heads 7344 until the pressing heads 7344 of the two pressing mechanisms 73 move to the position right above the stacked battery cells on the battery cell placing platform 7221 on the rotating platform 722, and the piston rods of the fifth cylinder 7332 of the lifting assemblies 733 fixed on the second mounting columns 732 are driven to be contracted, so that the eighth mounting plate 7333 connected with the piston rods of the fifth cylinder 7332 and the pressing heads 7344 of the opening and closing assemblies 734 arranged on the eighth mounting plate 7333 are driven to descend until the two pressing heads 7344 of the pressing mechanisms 73 press the stacked battery cells on the battery cell placing platform 7221 on the rotating platform 722.

In this embodiment, after the two pressing heads 7344 of the pressing mechanism 73 of the battery cell handling device 7 press the stacked battery cells on the battery cell placing platform 7221 on the rotating platform 722, the fourth air cylinders 7235 piston rods of the two sliding clamping portions 723 of the clamping rotating mechanism 72 extend to drive the battery cell clamping jaws 7236 connected with the piston rods of the fourth air cylinders 7235 to extend toward the battery cells close to the stacked battery cells, so that the two battery cell clamping jaws 7236 cooperate to clamp the stacked battery cells on the battery cell placing platform 7221 on the rotating platform 722, the rotating driving portion 721 of the clamping rotating mechanism 72 drives the rotating platform 722 arranged on the rotating driving portion 721 and the pressing mechanism 73 arranged on the rotating platform 722 to rotate forward by 180 degrees, thereby positioning and clamping the tab pairs of the stacked battery cells toward the housing positioning device 5 and the plurality of sets of spring tabs 685 of the tab handling device 6 arranged in two-by two stacks passing through the housing of each tab hole, the pushing cylinder 714 of the pushing mechanism 71 drives the pushing seat 713 connected with the piston rod of the pushing cylinder 714 to move towards the shell on the shell positioning device 5 under the sliding fit of the pushing slide block 712 and the pushing guide rail 711 connected with the pushing seat 713, so that a plurality of lugs of the battery core are correspondingly inserted between the two-to-two stacked and mutually opened spring pieces 685 in the lug holes of the shell, the battery core clamping jaw 7236 of the two sliding clamping parts 723 of the clamping rotating mechanism 72 clamps the battery core and the shell simultaneously inside the two shell positioning clamping jaws 536 of the shell positioning device 5, the second driving part 531 of the shell clamping part 53 of the shell positioning device 5 drives the two fourth slide blocks 532 and the two shell positioning clamping jaws 536 connected with the two fourth slide blocks 532 respectively to release the shell in a separation motion, the pushing cylinder 714 of the pushing mechanism 71 drives the pushing base 713 connected with the piston rod of the pushing cylinder 714 to move back to a direction away from the housing positioning device 5 under the sliding fit of the pushing slider 712 and the pushing guide rail 711 connected with the pushing base 713, so that the spring piece 685 group is separated from the pole ear hole, and meanwhile, the rotating driving part 721 of the clamping rotating mechanism 72 drives the rotating platform 722 arranged on the rotating driving part 721 and the pressing mechanism 73 arranged on the rotating platform 722 to reversely rotate for 180 degrees to return, so that the battery cell and the housing are assembled and removed for the next process.

In addition, the invention also provides a method for assembling the battery cell and the shell, which is applied to the equipment for assembling the battery cell and the shell, and comprises the following steps: positioning the shell; moving the housing and relatively opening the prepared stack of leaf springs 685 through the lug holes in the housing; compressing the stacked battery cells; clamping the battery cell and rotating the battery cell; pushing the battery cell to the shell, and leading the lug of the battery cell to penetrate into the lug hole of the shell; simultaneously clamping the cell and the housing and moving so that the spring plate 685 set is disengaged from the lug hole.

Wherein, must carry out the casing and get material before positioning the casing, specifically include: after the material storage box 21 of the shell storage device 2 is completely loaded in the previous process, the sliding structure 22 of the shell storage device 2 is convenient for conveying the material storage box 21 to a preset position, the first motor 3211 of the transverse moving part 321 of the shell conveying device 3 drives the first sliding block 3213 to transversely move along the first sliding rail 3214 through the first screw nut pair 3212, drives the second transverse moving part 3215 on the first sliding block 3213 and the lifting part 322 connected with the screw nut of the second transverse moving part 3215 and the grabbing mechanism 33 arranged on the lifting part 322 to transversely move along the first sliding rail 3214, so that the grabbing mechanism 33 transversely moves to the upper part of the shell storage device 2.

Further, the motor of the second traverse section 3215 on the first slider 3213 of the traverse section 321 of the housing transportation device 3 drives the screw nut to move, driving the lifting section 322 and the gripping mechanism 33 provided on the lifting section 322 to move in the direction perpendicular to the moving cross beam 31 in the horizontal plane, so that the gripping mechanism 33 moves in the direction perpendicular to the moving cross beam 31 in the horizontal plane to above a housing in the housing storage device 2.

Further, the second motor 3221 of the lifting portion 322 of the shell conveying device 3 drives the second screw nut pair 3222 to drive the second slider 3223 to descend along the second sliding rail 3224, further drives the grabbing mechanism 33 arranged on the second slider 3223 to descend into the shell storage device 2, the third cylinder 334 acts to drive the shell pressing block 335 to press down and press the shell, so that the shell is not inclined correctly, and the second cylinder 332 acts to drive the two shell feeding clamping claws 333 to move in opposite directions to clamp the shell.

Further, the lifting portion 322 of the shell conveying device 3 drives the grabbing mechanism 33 which has clamped a shell to lift up and return, and then the second traversing portion 3215 of the traversing portion 321 drives the lifting portion 322 and the grabbing mechanism 33 to return, and the first motor 3211 of the traversing portion 321 drives the first slider 3213 to drive the lifting portion 322 and the grabbing mechanism 33 which has clamped a shell to transversely move to the shell positioning device 5.

Further, positioning the housing, specifically including: after the housing conveying device 3 conveys a housing to the housing positioning device 5, the second driving portion 531 of the housing clamping portion 53 of the housing positioning device 5 drives the two fourth sliders 532 and the two housing positioning clamping jaws 536 connected to the two fourth sliders 532 respectively to clamp and fix the housing.

Further, moving the housing and relatively opening the prepared stack of stacked spring plates 685 through the lug holes in the housing, specifically comprises: the first driving part 51 of the housing positioning device 5 drives the positioning platform 52 connected with the first driving part and the housing tightening part arranged on the positioning platform 52 to move towards the direction close to the tab processing device 6, so that the housing is close to the tab processing device 6.

Further, the third driving portion 69 of the tab handling apparatus 6 drives the spring fixing portion 68 mounted on the slider 67 to move along the sliding rail 66 in a direction approaching the spring extracting portion 65, so as to drive the other ends of the plurality of groups of stacked spring pieces 685 disposed on the spring fixing portion 68 to respectively pass through the plurality of slots 6511 of the spring piece extracting portion 65 and insert into the tab hole of the housing abutting against the spring piece extracting portion 65, and the insertion ends of the spring pieces 685 disposed in each group of stacked two by two are mutually opened under the action of elastic force after being inserted into the tab hole of the housing.

Further, compress tightly the electric core of range upon range of setting, specifically include: the two pressing cylinders 7342 piston rods of the opening and closing assembly 734 fixedly arranged on the second mounting column 732 of the battery cell processing device 7 contract to drive the tenth connecting plate 7343 which is clamped and matched with the piston rods of the pressing cylinders 7342 to move towards the battery cells close to the lamination, so that the lower pressing head 7344 fixedly connected with the bottom end of the tenth connecting plate 7343 is driven to move towards the battery cells close to the lamination under the sliding fit of the fifth sliding block 7345 and the fifth sliding rail 7346 fixedly arranged on the lower surface of the lower pressing head 7344 until the lower pressing head 7344 of the two pressing mechanisms 73 moves to be right above the battery cells arranged on the lamination on the battery cell placing platform 7221 on the rotating platform 722.

Further, the fifth air cylinders 7332 piston rods of the two lifting assemblies 733 fixed on the second mounting columns 732 of the cell processing device 7 retract to drive the eighth mounting plate 7333 connected with the fifth air cylinders 7332 piston rods and the lower pressure heads 7344 of the opening and closing assemblies 734 arranged on the eighth mounting plate 7333 to descend until the two lower pressure heads 7344 of the pressing mechanism 73 compress the stacked cells on the cell placing platform 7221 on the rotating platform 722.

Further, clamping the cell and rotating the cell, specifically comprising: the piston rods of the fourth air cylinders 7235 of the two sliding clamping parts 723 of the clamping and rotating mechanism 72 of the battery cell processing device 7 extend out to drive the battery cell clamping jaws 7236 connected with the piston rods of the fourth air cylinders 7235 to extend out towards the battery cells close to the stacked arrangement, and then the two battery cell clamping jaws 7236 are matched to clamp the battery cells stacked on the battery cell placing platform 7221 on the rotating platform 722.

Further, the rotation driving part 721 of the clamp rotation mechanism 72 drives the rotation stage 722 provided on the rotation driving part 721 and the pressing mechanism 73 provided on the rotation stage 722 to rotate forward by 180 degrees, so that the tab pairs of the stacked battery cells are positioned and clamped toward the housing of each tab hole of the case positioning device 5 and the plurality of sets of the tab handling devices 6 of the spring pieces 685 stacked two by two have passed through the case of each tab hole thereof.

Further, push the electric core to the casing to make the utmost point ear of electric core guide penetrate the utmost point ear hole of casing, specifically include: the pushing cylinder 714 of the pushing mechanism 71 of the battery cell processing device 7 drives the pushing seat 713 connected with the piston rod of the pushing cylinder 714 to move towards the shell on the shell positioning device 5 under the sliding fit of the pushing sliding block 712 and the pushing guide rail 711 connected with the pushing seat 713, so that a plurality of lugs of the battery cell are correspondingly inserted between the two stacked and mutually opened spring pieces 685 in lug holes of the shell.

Further, clamp electric core and casing simultaneously and remove for spring leaf 685 group breaks away from the utmost point earhole, specifically includes: the battery cell 7236 of the two sliding clamping parts 723 of the clamping rotation mechanism 72 clamps the battery cell and the housing simultaneously inside the two housing positioning clamping jaws 536 of the housing positioning device 5, and the second driving part 531 of the housing clamping part 53 of the housing positioning device 5 drives the two fourth sliders 532 and the two housing positioning clamping jaws 536 connected with the two fourth sliders 532 to release the housing by the separation movement.

Further, the pushing cylinder 714 of the pushing mechanism 71 drives the pushing base 713 connected with the piston rod of the pushing cylinder 714 to move back to a direction away from the housing positioning device 5 under the sliding fit of the pushing slider 712 and the pushing guide rail 711 connected with the pushing base 713, so that the spring piece 685 group is separated from the pole ear hole, and simultaneously, the rotation driving part 721 of the clamping rotation mechanism 72 drives the rotation platform 722 arranged on the rotation driving part 721 and the pressing mechanism 73 arranged on the rotation platform 722 to reversely rotate for 180 degrees to return, so that the battery cell and the housing are assembled and removed for the next process.

In the invention, the shell is clamped and positioned by the shell positioning device 5, the lug processing device 6 inserts two laminated spring pieces 685 into each lug hole of the shell positioned by the shell positioning device 5, the battery core processing device 7 fixes and moves a plurality of battery cores which are laminated, and the lugs of the battery cores which are laminated are inserted into the lug holes of the shell under the guidance of the spring pieces 685, so that the whole process is automated in line operation, the working efficiency is greatly improved, the labor intensity and the error rate are reduced, and the invention has good economic value and market popularization prospect.

It will be appreciated by persons skilled in the art that the particular structures and processes shown in the above detailed description are illustrative only and not limiting. Moreover, those skilled in the art to which the invention pertains will appreciate that various features described above may be combined in any number of possible ways to form new embodiments, or that other modifications are within the scope of the invention.

Claims

1. An apparatus for assembling a cell and a housing, the apparatus comprising a tab handling device, a housing positioning device, and a cell handling device, wherein:

the tab processing device is used for inserting a group of two-by-two stacked spring pieces into each tab hole of the shell positioned by the shell positioning device, the inserting ends of the two-by-two stacked spring pieces are mutually opened after being inserted into the tab holes, the tab processing device comprises a spring piece fixing part and a spring piece leading-out part, one end of each of the two spring pieces in any group is fixedly connected with the spring piece fixing part, the other end of each of the two spring pieces is overhanging and inserted into a through hole of the spring piece leading-out part, the spring piece leading-out part comprises two spring piece leading-out plates, each spring piece leading-out plate is provided with a plurality of slots corresponding to the guide spring pieces, the slots on the two spring piece leading-out plates are in one-to-one correspondence with the plurality of tab holes, and the spring piece leading-out part can move relative to the spring piece fixing part so that the spring piece leading-out part can be penetrated out after moving and inserted into the tab hole of the shell which is abutted against the spring piece leading-out part;

The battery cell processing device is used for fixing and moving a plurality of battery cells which are arranged in a stacked mode, enabling the lugs of the battery cells which are arranged in the stacked mode to be respectively inserted into a plurality of lug holes of the shell under the guidance of the spring pieces, and then simultaneously clamping the battery cells and the shell and moving the battery cells, so that the spring piece group is separated from the lug holes.

2. The apparatus for assembling a cell and a case according to claim 1, wherein the tab handling device further comprises a slider, a base, and a base, the spring piece lead-out portion is provided in connection with the slider, the slider is slidably mounted on the base, the spring piece fixing portion is mounted on the base, and the base is slidably mounted on the base.

3. The apparatus for assembling a cell and a case according to claim 1, wherein the spring piece fixing portion includes a plurality of stacked pressing blocks, two spring pieces in each group are pressed between every two stacked pressing blocks, and the spring piece extraction portion includes a plurality of grooves corresponding to the guide spring pieces.

4. The apparatus for assembling a cell and a case according to claim 1, wherein the case positioning means comprises a positioning platform and a case clamping portion, the positioning platform being interlocked with the spring piece lead-out portion, the case clamping portion being mounted on the positioning platform for clamping the case.

5. The apparatus for assembling a cell and a housing of claim 4, further comprising a lifting mechanism, the lifting mechanism comprising a lifting platform and a driving member, the driving member driving the lifting platform to move, the tab handling device and the housing positioning device both being mounted on the lifting platform.

6. The apparatus for assembling a battery cell and a housing as recited in claim 1, wherein the battery cell handling device includes a pressing mechanism for pressing a plurality of battery cells arranged in a stack from above, a clamping rotation mechanism for clamping the battery cells and rotating after pressing the battery cells, and a pushing mechanism for pushing the rotated battery cells toward the housing and inserting tabs of the battery cells into tab holes of the housing.

7. The apparatus for assembling a battery cell and a housing of claim 6, wherein the clamping and rotating mechanism comprises a rotary driving part, a rotary platform and a sliding clamping part, the pushing mechanism comprises a pushing seat, a pushing guide rail and a pushing cylinder, the pushing mechanism comprises a pushing cylinder and a pushing head, the rotary driving part is installed on the pushing seat, the rotary platform is installed on the rotary driving part and is used for placing the battery cell, the sliding clamping part is installed on the rotary platform and is located on two sides of the battery cell, the pushing seat is in sliding fit with the pushing guide rail, a piston rod of the pushing cylinder is connected with the pushing seat, a cylinder body of the pushing cylinder is fixedly arranged, and a piston rod of the pushing cylinder is connected with the pushing head.

8. The apparatus for assembling a battery cell and a housing according to any one of claims 1 to 7, further comprising a housing conveying device including a gripping mechanism, a moving mechanism and a moving cross member, the moving cross member being fixedly provided in correspondence with the housing positioning device and the housing storage device, the moving mechanism being movably mounted on the moving cross member and being capable of reciprocating between the housing positioning device and the housing storage device, the gripping mechanism being mounted on the moving mechanism for gripping the housing in the housing storage device.

9. The apparatus for assembling a cell and a housing according to claim 8, wherein the housing storage means includes a plurality of slots for receiving the housing and a separation column for separating the housing in the two slots.

10. The apparatus for assembling a cell and a housing according to claim 8, wherein the moving mechanism includes a traversing portion and a lifting portion, the lifting portion being mounted to the gripping mechanism and being lifted relative to the moving beam, the traversing portion being mounted to the lifting portion and being slidably engaged with the moving beam.

11. A method of assembling a cell and a housing for use in the apparatus for assembling a cell and a housing according to any one of claims 1 to 10, the method of assembling a cell and a housing comprising:

positioning the shell;

compressing the stacked battery cells;

clamping the battery cell and rotating the battery cell;