CN219098003U - Battery cell shell-entering system - Google Patents

Abstract

The utility model provides a battery cell shell-entering system, which comprises: a first conveying device for conveying the electric core; a second conveying device for conveying the housing close to the cell and holding the housing and the cell relatively stationary; the shell entering executing structure comprises a clamping alignment structure for clamping and aligning the battery cell and the shell on the same central axis, a guide structure for guiding the shell to slide towards the battery cell and a press-fitting structure for press-fitting the shell on the battery cell. Compared with the prior art, the utility model can realize the dynamic shell feeding of the battery cell and can greatly improve the shell feeding efficiency of the battery cell.

Description

Battery cell shell-entering system

Technical Field

The utility model relates to the field of battery processing and production, in particular to a battery core shell-entering system.

Background

In recent years, due to the rapid development of new energy industry, the lithium battery industry has achieved remarkable development results, wherein compared with lithium batteries with other shapes, the square lithium battery has simpler structure and more convenient assembly when being assembled into a power battery PACK, so the square lithium battery has natural advantages in the industry, and the square lithium battery also becomes one of the important points of research in the industry.

In the process of processing and producing the square lithium battery, the steps of slurry combination, coating, sheet making, winding, assembly, laser welding, liquid injection, formation, sealing, capacity division and the like are generally needed, and in the process of assembling the square lithium battery, the method mainly comprises the following steps: the battery cell feeding device conveys the battery cell into the lower battery cell shell; the lower battery cell shell is transferred to a cover closing process by a moving mechanism; the cover closing device covers the upper cell shell on the lower cell shell; the taking device moves the covered battery cell shell away; the mobile device loads the next lower cell shell; and so on.

In the existing battery core shell-entering mode, the quantity of equipment used for moving the battery core and the shell back and forth is large, the steps are complicated, and meanwhile, each time the moving process is executed, a conveying line is required to be stopped for waiting, so that the efficiency of the battery core shell-entering is seriously affected.

Disclosure of Invention

The utility model provides a battery cell shell-entering system, which aims to solve the defects of complex structure and low shell-entering efficiency of battery cell shell-entering equipment in the prior art.

The technical scheme adopted by the utility model is as follows: a cell in-shell system comprising: a first conveying apparatus for conveying the electric core; a second conveying device for conveying the housing proximate to the cell and holding the housing and cell relatively stationary; the shell entering executing structure comprises a clamping alignment structure for clamping and aligning the battery cell and the shell on the same central axis, a guiding structure for guiding the shell to slide towards the battery cell and a press-fitting structure for press-fitting the shell on the battery cell.

Further, the first conveying equipment comprises a first conveying line and a plurality of first carriers arranged on the first conveying line at intervals, and the battery cells are fixed on the first carriers.

Further, the second conveying equipment comprises a second conveying line and a plurality of second carriers which are arranged on the second conveying line at intervals, and the shell is arranged on the second carriers.

Further, the first conveying equipment comprises a first conveying line, the second conveying line is an annular conveying line, the first conveying line comprises a first working section, the second conveying line comprises a second working section parallel to the first working section, and the conveying direction and the conveying speed of the first working section and the conveying speed of the second working section are the same.

Further, a plurality of first carriers are arranged on the first conveying line, the first conveying line is arranged below the second conveying line, and the first carriers are arranged right below the second carriers.

Further, go into shell execution structure including the frock tool that is used for taking the shell, the frock tool includes the fixed subassembly of shell, the second conveying equipment is located to the frock tool.

Further, the clamping alignment structure, the guide structure, the press-fit structure and the tool jig are integrally arranged.

Further, the clamping alignment structure includes: the first clamping alignment structure is used for clamping the battery cell; the second clamping alignment structure is used for clamping the shell and aligning the shell and the battery core on the same central axis; the driving assembly drives the first clamping alignment structure and the second clamping alignment structure to synchronously execute clamping actions.

Further, the guiding structure comprises a fixed support and a movable support, the fixed support is fixedly connected with the second conveying equipment, the movable support is in sliding connection with the fixed support, and the sliding direction of the movable support is from the second clamping alignment structure to the first clamping alignment structure.

Further, the guiding structure further comprises a first guiding component and a second guiding component, the first guiding component is connected with the first clamping alignment structure, the second guiding component is connected with the second clamping alignment structure, and the first guiding component and the second guiding component are in sliding connection and are used for driving the battery cell and the shell to approach each other.

Further, the guiding structure further comprises a power input component for pushing the movable bracket and/or the second clamping alignment structure to slide.

Further, the second conveying device comprises a second conveying line, the power input assembly comprises a guide rail arranged on the second conveying line, the guide rail comprises a first horizontal section, a second horizontal section and a first transition section connected between the first horizontal section and the second horizontal section, and the first horizontal section is higher than the second horizontal section in level; the fixture comprises a pulley arranged on the guide rail, the fixture comprises an alignment part enabling the battery cell and the shell to be coaxial, the shell is arranged on the alignment part, the battery cell is arranged below the second conveying line, and the battery cell is arranged in the second horizontal section and fed into the alignment part.

Further, the first transition section is in a ladder shape, the first transition section comprises a first inclined section, a third horizontal section and a second inclined section which are sequentially connected, and the guide rail further comprises a second transition section connected between the second horizontal section and the first horizontal section.

Further, the second conveying device comprises a second conveying line, the power input assembly comprises a guide rail arranged on the second conveying line, the guide rail comprises a first horizontal section, a second horizontal section and a first transition section connected between the first horizontal section and the second horizontal section, the first horizontal section and the second horizontal section are at the same level, the second horizontal section is close to the first conveying line, and the first horizontal section is far away from the first conveying line; the fixture comprises a pulley arranged on the guide rail, the fixture comprises an alignment part enabling the battery cell and the shell to be coaxial, the shell is arranged on the alignment part, the battery cell is arranged on one side of the second conveying line in the horizontal direction, and the battery cell is conveyed into the alignment part in the second horizontal section.

Further, the first clamping alignment structure comprises a first clamping body arranged on one side of the horizontal direction of the battery cell, the second clamping alignment structure comprises a second clamping body arranged on one side of the horizontal direction of the shell, the first clamping body and the second clamping body are arranged on the same side of the battery cell, the first clamping body is connected with the first guiding assembly, and the second clamping body is connected with the second guiding assembly.

Further, the shell entering execution structure further comprises a linkage structure, wherein the linkage structure comprises a first linkage rod, and the first linkage rod is connected between the first guide assembly and the second guide assembly; the shell entering executing structure further comprises a driving device, and the driving device is used for driving the first linkage rod to synchronously drive the first clamping body and the second clamping body to execute clamping action.

Further, one end of the first linkage rod is fixedly connected to the second clamping body, the first clamping body is provided with a first through hole for the first linkage rod to penetrate in a sliding mode, and one end of the first linkage rod, opposite to the second clamping body, is clamped to the outer side of the first through hole.

Further, an elastic reset piece is arranged between the first clamping body and the second clamping body.

Further, the linkage structure further comprises a sleeve and a second linkage rod, the sleeve is arranged on the fixed support, the second linkage rod is arranged in the sleeve in a telescopic mode, the second linkage rod is connected with the first clamping alignment structure, the second linkage rod is further connected with the movable support, and the movable support synchronously drives the second clamping alignment structure to slide.

Further, the movable support further comprises an alignment port, the fixed support further comprises a shell fixing component which is arranged opposite to the alignment port, and the shell fixing component grabs the shell to the alignment port.

Further, the press-fitting structure comprises a telescopic driving device, the telescopic driving device comprises a telescopic end, and the shell fixing assembly is arranged at the telescopic end.

Further, the second conveying equipment comprises an annular second conveying line, the second conveying line comprises a third working section, the electric core shell feeding system further comprises a shell feeding mechanism arranged on one side of the third working section, the shell feeding mechanism comprises a feeding level, the shell feeding mechanism conveys the shell to the feeding level, and when the tool fixture moves to the position above the feeding level, the shell fixing assembly takes the shell.

Further, the second conveying device is an industrial robot, and the industrial robot directly takes the shell.

Further, the housing securing assembly includes a suction cup and/or a clamping jaw.

Compared with the prior art, the utility model can convey the shell to the vicinity of the battery core by the second conveying equipment in the process of conveying the battery core, and keep the relative stillness of the shell and the battery core by controlling the conveying speed of the second conveying equipment to be the same as that of the first conveying equipment and ensuring that the conveying direction of the shell is the same as that of the battery core, the battery core and the shell which are close to each other are aligned by the clamping alignment structure of the shell-entering execution structure, so that the battery core and the shell are kept on the same central axis, then the shell is guided to slide towards the battery core (in the axial direction of the central axis) by the guiding structure of the shell-entering execution structure until part of the battery core enters the shell, finally, the shell is pushed by the press-mounting structure of the shell-entering execution structure, the battery core is completely sleeved in the battery core, and finally, the battery core is completely inserted into the shell, and the battery core is not required to be moved in the process, so that the battery core is still kept on the original conveying equipment when the battery core is inserted into the shell, the battery core is not required to be transferred back to the transmission line again, and the battery core is greatly improved by realizing the dynamic shell insertion of the battery core.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a battery cell casing system according to the present utility model.

Fig. 2 is a schematic diagram showing the position structures of the first conveying line, the tooling fixture and the second conveying line in the first embodiment.

Fig. 3 is a schematic diagram of the mounting structure of the tooling fixture and the second conveying line in the first embodiment.

Fig. 4 is a schematic perspective view of the tooling fixture in the bottom view direction.

Fig. 5 is a schematic perspective view of a tooling fixture in the down direction.

Fig. 6 is a schematic diagram of a front structure of a fixture according to the present utility model.

Fig. 7 is a perspective view of the first and second clamping alignment structures according to the present utility model.

Fig. 8 is a side mounting structure view of the first and second clamping alignment structures according to the present utility model.

Fig. 9 is a schematic structural view of a guide rail in the present utility model.

Fig. 10 is a schematic perspective view of a first conveying line, a tooling fixture and a second conveying line in a second embodiment.

Fig. 11 is a schematic side view of a first conveying line, a tooling fixture and a second conveying line in a second embodiment.

Fig. 12 is a schematic top view of a first conveying line, a tooling fixture and a second conveying line in a second embodiment.

100. Tool fixture; 1. a first clamping alignment structure; 11. a first clamping body; 111. inserting plate; 2. a second clamping alignment structure; 21. a second clamping body; 3. a drive assembly; 31. a driving device; 5. a guide structure; 51. a fixed bracket; 52. a fixing plate; 521. a lower extension plate; 53. a movable bracket; 54. a bottom plate; 541. an upper extension plate; 55. a first guide assembly; 56. a second guide assembly; 6. a press-fitting structure; 61. a suction cup assembly; 7. a battery cell; 8. a housing; 9. a linkage structure; 91. a first linkage rod; 92. a first through hole; 93. an elastic reset piece; 94. a sleeve; 95. a sliding groove; 96. a second link lever; 961. a rolling bearing; 962. a socket; 97. a slider; 98. a drive plate; 10. a second conveyor line; 101. a guide rail; 102. a first horizontal segment; 103. a first transition section; 1031. a first sloped section; 1032. a third horizontal segment; 1033. a second sloped section; 104. a second horizontal segment; 105. a second transition section; 1001. a pulley; 106. a second section; 107. a third section; 20. a first conveyor line; 201. a first section; 30. a shell feeding mechanism; 301. a housing storage bin; 302. a mechanical arm; 303. and (5) feeding the material.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The application provides a system of putting into shell of electric core, and referring to fig. 1 to 3, the main component part of the system of putting into shell of electric core that provides in this application includes first conveying equipment, second conveying equipment and one embolias shell execution structure, and it includes centre gripping counterpoint structure, guide structure 5 and pressure equipment structure 6 to put into shell execution structure, and the main realization mode of putting into shell of electric core is: the battery cell 7 is conveyed on the first conveying device, in the process of conveying the battery cell 7, the shell 8 is conveyed to the vicinity of the battery cell 7 by the second conveying device, the conveying speed of the second conveying device is controlled to be the same as that of the first conveying device, the relative stillness of the shell 8 and the battery cell 7 is kept in a mode that the conveying direction of the shell 8 is the same as that of the battery cell 7, the battery cell 7 and the shell 8 which are close to each other are aligned through the clamping alignment structure of the shell-in executing structure, the battery cell 7 and the shell 8 are kept on the same central axis, then the shell 8 is guided to slide towards the battery cell 7 (in the axial direction of the central axis) through the guide structure 5 of the shell-in executing structure and gradually approaches the battery cell 7 until part of the battery cell 7 enters the shell 8, finally the shell 8 is pushed through the press-fit structure 6 of the shell-in executing structure, the shell 8 is completely sleeved in the battery cell 7, the battery cell is finally completed, the battery cell 7 does not need to be moved in the process, the battery cell 7 is kept on the conveying device which is still kept on the same central axis, the battery cell 7 when the battery cell is still in the shell-in the process, the battery cell 7 does not need to be moved, and the battery cell 7 can be moved again, and the dynamic efficiency of the battery cell 7 can be greatly improved after the battery cell 7 is required to be conveyed through the shell.

The present application will now be described in detail with respect to a cell-in-case system.

In one embodiment, the first conveying device comprises a first conveying line 20 and a first carrier arranged on the first conveying line 20, and the battery cells 7 are fixed on the first carrier, so that the battery cells 7 are conveyed on the first conveying line 20 by the first carrier, the battery cells 7 are conveyed to various stations by the first conveying line 20, and no stay is performed on the stations where the battery cells are put into the shell; the second conveying device comprises a second conveying line 10 and a plurality of second carriers arranged on the second conveying line 10, wherein the intervals between the first carriers are identical to those between the second carriers, the second carriers are provided with tool fixtures 100, and the tool fixtures 100 comprise shell fixing assemblies which are used for taking the shell 8 and assisting in guiding the conductive cores 7 into the shell 8. The first section is arranged on the first conveying line 20, the second section is arranged on the second conveying line 10, and the positions of the first section and the second section are opposite and parallel, so that when the shell 8 and the battery cell 7 are controlled to be relatively static, only the conveying speed and the conveying direction of the conveying line are required to be considered.

Preferably, the second conveyor line 10 is configured as an annular conveyor line, such that the second carrier may circulate on the conveyor line, the second conveyor line 10 comprising a third section, and a housing loading mechanism disposed outside the third section, as shown in fig. 2, the housing loading mechanism comprising: the shell storage bin is used for storing the shell 8, the shell feeding mechanism is further correspondingly provided with a group of mechanical arms 302, the shell 8 is sequentially taken through the mechanical arms 302, the shell 8 is sequentially transferred onto the conveying line, the shell 8 is conveyed to the feeding position 303 by the conveying line, the feeding position 303 corresponds to the third working section of the second conveying line 10, when the second carrier passes through the feeding position 303, the tool fixture 100 directly takes the shell 8 on the feeding position 303, the cyclic taking of the shell 8 is realized in such a mode, the feeding is not needed to be stopped in the assembly gap between the shell 8 and the battery cell 7, and the efficient assembly of the shell 8 and the battery cell 7 is realized.

Of course, in other embodiments, the housing 8 may be transported in a conventional manner, for example, the second transporting device is an industrial robot, and by providing a plurality of industrial robots to directly take the housing 8 from the housing storage bin and transfer the housing 8 to the upper side of the battery cell 7, when the industrial robot senses that the battery cell 7 is below and the housing 8 and the battery cell 7 are aligned and close to each other, the industrial robot can carry the housing 8 to move at the same speed and in the same direction as the first transporting line 20, so as to keep the housing 8 and the battery cell 7 relatively stationary.

It should be noted that, in addition to the above-mentioned exemplary manner, numerous embodiments of the second conveying apparatus can be found in the prior art by those skilled in the art, and the present application is not exhaustive, and the conveying manner of the housing 8, which is common in the prior art, is directly applied in the present application, which is also within the scope of the disclosure of the present application.

Further, the relative positions of the first conveying line 20 and the second conveying line 10 can be adaptively selected according to the selection of the customer, in this embodiment, the first conveying line 20 is disposed under the second conveying line 10, that is, the first working section is located under the second working section, the conveying direction and the conveying speed of the second working section parallel to the first working section are the same, and because the shape of the second conveying line 10 is annular, when designing, only one of the second carriers needs to be aligned with the first carrier, so that the conveying direction and the conveying speed of the first conveying line 20 and the second conveying line 10 are the same, and the alignment of each subsequent second carrier and the first carrier can be ensured.

After the housing 8 and the battery cell 7 are aligned, the step of pushing the core into the housing can be performed by the housing-in executing structure, and the present application further proposes a corresponding housing-in executing structure based on the positional relationship of the first conveying line 20 and the second conveying line 10 in the above embodiment.

Specifically, referring to fig. 4 to 8, the shell entering execution structure in the application includes a holding and aligning structure, a guiding structure, a press-fitting structure and the tool fixture for integrated arrangement, the shell entering execution structure includes an aligning portion, the shell and the battery core are simultaneously sent into the aligning portion, the shell and the battery core are kept approximately coaxially aligned, the aligning portion can be a cavity with a limiting function, the shell and the battery core are simultaneously sent into the aligning portion, so that the shell and the battery core are in a specific range, and then the clamping and aligning structure performs more accurate centering operation; in this embodiment, the alignment portion and the clamping alignment structure are integrated, that is, the clamping alignment structure can perform clamping alignment, and the clamping alignment structure can also have a limiting function, specifically: the clamping alignment structure consists of a first clamping alignment structure 1, a second clamping alignment structure 2, a driving assembly 3, a guide structure 5 and a press-fit structure 6, wherein the first clamping alignment structure 1 is used for clamping a battery cell 7, the second clamping alignment structure 2 is used for clamping a shell 8, the clamping centers of the first clamping alignment structure 1 and the second clamping alignment structure 2 are kept coaxial, and when the clamping action is not executed, the clamping centers of the first clamping alignment structure 1 and the second clamping alignment structure 2 are alignment parts; the driving component 3 drives the first clamping alignment structure 1 and the second clamping alignment structure 2 to synchronously execute clamping actions so as to clamp and keep alignment of the battery cell 7 and the shell 8, the guide structure 5 is used for guiding the first clamping alignment structure 1 and the second clamping alignment structure 2 to realize opposite sliding, so that the battery cell 7 and the shell 8 are guided to approach each other, the battery cell 7 and the shell 8 are aligned and approach each other, and then the battery cell 7 is sent into the shell 8 through the press-fit structure 6, so that the whole action of putting the battery cell into the shell is completed.

The guiding structure 5 mainly includes a fixed bracket 51 and a movable bracket 53, where the fixed bracket 51 is used to support and fix the fixture on the second conveying line 10 for executing the process step of inserting the battery into the shell, the second conveying line 10 is, for example, a mechanical arm, a conveying carrier, etc., the movable bracket 53 is slidably connected to the fixed bracket 51, i.e., the fixed bracket 51 is used to fix the fixture, and the movable bracket 53 slides on the fixed bracket 51 and can be used to execute the actions of clamping, aligning, assembling, etc. of the battery 7 and the shell 8.

Further, the movable support 53 includes a bottom plate 54, the second clamping alignment structure 2 is mounted at the lower end of the bottom plate 54, an alignment opening is provided in the middle of the bottom plate 54, the fixed support 51 includes a fixed plate 52, the fixed plate 52 is parallel to the bottom plate 54, and the fixed plate 52 is disposed above the bottom plate 54, and a suction cup assembly 61 (i.e. a housing fixing assembly, in other embodiments, a clamping jaw or other fixing mechanism may be used instead of the suction cup assembly) is further disposed on the fixed support 51, the suction cup assembly 61 sucks the housing 8 by means of vacuum pumping, and the suction cup assembly 61 is disposed opposite to the alignment opening, so as to grab the housing 8 to the alignment opening; in this embodiment, the fixing plate 52 is fixed on the carrier, so as to be used for conveying the tool fixture 100 to the upper side of the battery cell 7. The press-fitting structure 6 comprises a set of telescopic driving device, the telescopic driving device comprises a push rod, the telescopic driving device and the sucker assembly 61 are integrally designed in the embodiment, namely, the sucker assembly 61 is arranged at the telescopic end of the push rod, the sucker assembly 61 is pushed to move up and down through the telescopic driving device, the telescopic driving device is a power driving unit for pushing a core into a shell, and after the second clamping alignment structure 2 and the first clamping alignment structure 1 clamp and align the shell 8 and the battery core 7 respectively, the telescopic driving device pushes the shell 8 to be sleeved on the battery core 7.

Further, an upper extension plate 541 perpendicular to the bottom plate 54 is further disposed above the bottom plate 54 of the fixed bracket 51, a lower extension plate 521 perpendicular to the fixed plate 52 is further disposed below the fixed plate 52 of the movable bracket 53, the upper extension plate 541 and the lower extension plate 521 are mutually attached, and by providing a set of sliding rails on the upper extension plate 541 and providing a sliding block on the lower extension plate 521, the upper extension plate 541 and the lower extension plate 521 can slide up and down relatively.

The guiding structure 5 further comprises a first guiding component 55 connected with the first clamping alignment structure 1 and a second guiding component 56 connected with the second clamping alignment structure 2, and the first guiding component 55 and the second guiding component 56 are in sliding connection so as to drive the battery cell 7 and the shell 8 to approach each other again; in particular, the shape of the battery cell 7 and the casing 8 is rectangular, in order to better realize clamping alignment of the battery cell 7 and the casing 8, a clamping body is required to be arranged around the battery cell 7 and the casing 8 to clamp the battery cell 7 and the casing 8, for convenience of understanding, the second clamping alignment structure 2 is exemplified by the clamping body on one side of the battery cell 7 and the casing 8, the second clamping alignment structure 21 is arranged on one side of the battery cell 7 in the horizontal direction, the second clamping body 21 is a main body for executing the clamping action, the first clamping alignment structure 1 is provided with a first clamping body 11 arranged on one side of the battery cell 7 in the horizontal direction, the first clamping body 11 is used for executing the clamping alignment of the battery cell 7, the first clamping body 11 and the second clamping body 21 are located on the same side of the battery cell 7, the first clamping body 11 and the second clamping body 21 are in sliding connection through a first guiding component 55 and a second guiding component 56, the first guiding component 55 can be a linear sliding rail fixed on the first clamping body 11, the second guiding component 56 can be a sliding block fixed on the first clamping body 11, the second guiding component 56 slides on the first guiding component 55 in a linear manner, and because the sliding rail is fixed on the first clamping body 11, the second clamping body 21 slides towards the first clamping body 11 when sliding, so that the housing 8 and the battery cell 7 are close to each other.

Further, the shell entering execution structure further comprises a set of linkage structure 9, the linkage structure 9 and the tool fixture 100 are integrated into a whole, the linkage structure 9 comprises a first linkage rod 91, the upper end of the first linkage rod 91 is fixedly connected to the lower end of the second clamping body 21, the lower end of the first linkage rod 91 faces the first clamping body 11, the first clamping body 11 is provided with a first through hole 92 for the first linkage rod 91 to penetrate in a sliding manner, the lower end of the first linkage rod 91 opposite to the second clamping body 21 is clamped outside the first through hole 92, so that the limiting positions of the sliding of the first clamping body 11 and the second clamping body 21 can be limited, the driving assembly 3 pushes the first linkage rod 91 to horizontally move towards the direction of the battery core 7 and the shell 8, and the first clamping body 11 and the second clamping body 21 can be synchronously driven to execute clamping actions by driving the driving device 31.

Further, an elastic reset member 93 is further disposed between the first clamping body 11 and the second clamping body 21, the elastic reset member 93 is a spring, the spring is sleeved on the first linkage rod 91, the upper end of the spring is abutted against the second clamping body 21, the lower end of the spring is abutted against the first clamping body 11, when the first clamping body 11 and the second clamping body 21 are stressed to slide in opposite directions, and after the battery cell 7 and the housing 8 are assembled, the first elastic reset member 93 bounces off the first clamping body 11 and the second clamping body 21.

Further, the linkage structure 9 further comprises a sleeve 94 and a second linkage rod 96, wherein the sleeve 94 is installed and fixed on the fixed plate 52, the sleeve 94 is hollow, the second linkage rod 96 is arranged in the sleeve 94, the second linkage rod 96 extends out towards the lower end of the sleeve 94, the second linkage rod 96 slides up and down in the sleeve 94 to realize the extension and retraction of the second linkage rod 96, a pair of sliding grooves 95 which are oppositely arranged are formed in the sleeve 94, the sliding grooves 95 extend towards the direction perpendicular to the horizontal direction, a sliding piece 97 is arranged on the second linkage rod 96, the sliding piece 97 correspondingly passes through the sliding grooves 95 and extends to the outer side of the sleeve 94, a transmission plate 98 is further arranged on the bottom plate 54, the transmission plate 98 abuts against the lower end of the sliding piece 97, a socket 962 is arranged at the lower end of the second linkage rod 96, and a plugboard 111 penetrating into the socket 962 is further arranged on the first clamping body 11 so as to limit the first clamping body 11 to slide down continuously; when the movable support 53 slides downwards, the first clamping body 11 and the second clamping body 21 are synchronously driven to slide downwards, the first clamping body 11 falls to two sides of the battery core 7 until the sliding piece 97 abuts against the bottom of the sliding groove 95, the second linkage rod 96 and the sleeve 94 are prevented from being separated, at the moment, the first clamping body 11 slides to the limit position and does not slide downwards any more, however, the second clamping body 21 continues to slide downwards along with the movable support 53, the shell 8 is carried under the clamping of the second clamping body 21 to continuously approach the battery core 7 towards each other and compress the elastic reset piece 93, when the shell 8 is partially sleeved on the battery core 7, the first clamping alignment structure 1 and the second clamping alignment structure 2 synchronously loosen the shell 8 and the battery core 7, the telescopic driving device continues to push the shell 8 downwards until the battery core 7 is completely fed into the shell 8, after the assembly of the battery core 7 and the shell 8 is finished, the movable support 53 slides upwards, the transmission plate 98 abuts against the sliding piece 97 so that the second linkage rod 96 synchronously slides upwards, the second linkage rod 96 further drives the first clamping body 11 to reset the elastic reset piece 93, and the first clamping alignment structure 11 resets the first clamping body 11 to reset the elastic reset piece 21 at the same time.

Further, a rolling bearing 961 is further provided at the lower end of the socket 962, and the insert plate 111 is in contact with the rolling bearing 961, so that when the driving device 31 drives the first clamping body 11 to perform the clamping action, the insert plate 111 slides in the socket 962, and the rolling bearing 961 assists the insert plate 111 to slide, thereby reducing sliding friction between the insert plate 111 and the socket 962.

Further, a power input assembly for pushing the movable bracket 53 and/or the second clamping alignment structure 2 to slide is further provided in the present application.

In this embodiment, referring to fig. 2, 3 and 9, in a first embodiment, the power input assembly includes a guide rail 101 disposed on the second conveying line, a pulley 1001 disposed on the tool fixture, the pulley 1001 mounted on the guide rail 101, the guide rail 101 defining a specific running track of the tool fixture, wherein the guide rail 101 mainly includes a first horizontal section 102, a first transition section 103, a second horizontal section 104 and a second transition section 105, wherein the first horizontal section 102 and the second horizontal section 104 are horizontally disposed, the first horizontal section 102 has a higher level than the second horizontal section 104, the first transition section 103 is connected between the first horizontal section 102 and the second horizontal section 104, the second transition section 105 is connected between the second horizontal section 104 and the first horizontal section 102, and a height difference is formed between the first horizontal section 102 and the second horizontal section 104, so that the tooling fixture falls down when moving from the first horizontal section 102 to the second horizontal section 104, the battery core is arranged below the second conveying line, when the tooling fixture moves down, the relative distance between the battery core and the tooling fixture is reduced, the alignment part is aligned with the battery core, the height of the tooling fixture is reduced by arranging the height difference on the guide rail 101, the alignment part of the tooling fixture is automatically moved down to the battery core, the battery core is sent into the alignment part on the second horizontal section 104, the battery core is not required to be transferred in such a way, the efficiency of the battery core entering the shell is greatly improved, the tooling fixture moves while the battery core is not moved during alignment, the risk of damage to the fragile internal structure of the battery core is avoided, the whole structure implementation mode is simple, the sliding path of the pulley 1001 on the guide rail 101 can be kept stable for a long time, the problem of poor alignment precision is not easy to be caused, the cost of post maintenance and overhaul is extremely low.

Further, the first transition section 103 is in a step shape, the first transition section 103 includes a first inclined section 1031, a third horizontal section 1032 and a second inclined section 1033 which are sequentially connected, the height of the third horizontal section 1032 is between the first horizontal section 102 and the second horizontal section 104, so that the tooling fixture is not aligned in one step, but is lowered in a step manner, the tooling fixture falls into the height of the third horizontal section 1032, at this time, the distance between the tooling fixture and the battery cell is close to a few, a part of the battery cell enters into an alignment part, and a shell is fixed in the alignment part, so that even if a certain error exists between the coaxiality of the battery cell and the shell, the error of the coaxiality of the battery cell and the shell is reduced in this step; the tooling jig enters the second horizontal section 104 after passing through the second inclined section 1033, the height of the tooling jig is further reduced, the interval between the battery cell and the shell is further reduced, the battery cell can be partially entered into the shell, the pre-positioning of the battery cell and the shell is realized, and the shell is directly pushed onto the battery cell in the last step. Through setting the first changeover portion 103 to the echelonment, can stage reduce the height of frock tool, send into the counterpoint portion earlier with the electric core, send into the shell with electric core part again in, avoid once only counterpoint packing into and cause the defect to the damage of electric core structure, improved the assembly quality that the electric core was gone into the shell.

And the second transition section is used for separating the tool from the battery cell, the tool is lifted through the second transition section, so that the battery cell assembled by the alignment part and the shell are separated from each other, the assembled battery cell and the shell continue to carry out the next step, and the tool can circularly take the next shell to execute the next battery cell to enter the shell.

Further, the electric core 7 in this application sets up on first transfer chain 20, and first transfer chain 20 locates second transfer chain 10 below, and second transfer chain 10 and first transfer chain 20 partial coincidence, just so guarantee that electric core 7 is constantly carried on first transfer chain 20, and frock tool 100 corresponds synchronous movement with electric core 7 to accomplish the operation that electric core goes into the shell at the region that second transfer chain 10 and first transfer chain 20 coincide, the production efficiency of messenger's battery obtains greatly promoting like this.

Preferably, the second conveying line 10 in the present application includes two upper and lower parallel-arranged guide rails 101, the tool fixture 100 includes two sets of rollers, and each set of rollers is correspondingly arranged in one guide rail 101, so that shake can not occur when the tool fixture 100 descends, and the accuracy of the battery core in-shell is improved.

The power input assembly may be directly applied to the power driving device 31, such as a cylinder, an electric putter, a driving motor, etc., in addition to the above-described modes.

The working principle of the embodiment is as follows: the tooling fixture 100 is arranged on the second conveying line 10, the second conveying line 10 synchronously drives the tooling fixture, firstly, the shell 8 is grabbed to an alignment port through the sucker assembly 61, then the second conveying line 10 continuously drives the shell 8 to the upper side of the battery cell 7, the tooling fixture moves downwards under the action of the guide rail, the fixed support is motionless, the movable support 53 is stressed to start sliding downwards, the first clamping alignment structure 1 and the second clamping alignment structure 2 move downwards correspondingly along with the movement of the movable support 53, and when the first clamping alignment structure 1 moves to the third horizontal section 1032, the first clamping alignment structure 1 corresponds to the periphery of the battery cell 7, the second clamping alignment structure 2 corresponds to the periphery of the shell 8, meanwhile, the press-fit structure 6 (telescopic driving device) pushes the shell 8 to move a small distance towards the direction of the battery cell 7, and the driving assembly 3 drives the first clamping alignment structure 1 and the second clamping alignment structure 2 to synchronously execute clamping alignment, so that the upper and lower positions of the battery cell 7 and the shell 8 are adjusted, and the battery cell 7 and the shell 8 are fixed; afterwards, the tooling fixture continues to slide on the guide rail 101 until the second horizontal section 104, the first clamping alignment structure 1 does not descend, the second clamping alignment structure 2 continues to descend, a part of the shell 8 is sleeved into the battery cell 7, when the second clamping alignment structure 2 and the first clamping alignment structure 1 slide to the limit position, the second clamping alignment structure does not continue to descend, and finally the press mounting structure 6 (the telescopic driving device) pushes the shell 8 to move towards the battery cell 7 until the battery cell 7 is completely sent into the shell 8, the battery cell and the shell sequentially undergo position correction, battery cell pre-shell-entering and core pushing-in-shell, the situation that the battery cell or the shell is damaged due to inaccurate alignment is avoided, the yield is greatly improved, and the steps are always executed when the battery cell is conveyed, although the battery cell is decomposed and a plurality of steps are not interrupted, the original battery cell conveying process is not interrupted, and the battery cell assembly is not hindered from being interfered by the steps or the battery cell entering-in-shell is completed, and the process can be completed quickly; when the tool fixture slides to the second transition section 105, the assembly of the battery cell 7 and the shell 8 is just completed, the movable support 53 slides upwards, the transmission plate 98 abuts against the sliding piece 97 to enable the second linkage rod 96 to slide upwards synchronously, the second linkage rod 96 further drives the first clamping body 11 to slide upwards, meanwhile, the elastic reset piece 93 elastically resets to enable the first clamping body 11 and the second clamping body 21 to be sprung out, and the tool fixture is reset integrally.

Referring to fig. 10 to 12, in the second embodiment, the first conveyor line 20 and the second conveyor line 10 may be positioned at the same horizontal position, and in this embodiment, corresponding adjustments need to be made to the above-mentioned in-shell performing structure, for example: the tooling fixture 100 adopts the same structural design as the previous embodiment, and changes only the setting directions of the clamping alignment structure, the guiding structure 5 and the press-fitting structure 6, in the previous embodiment, the clamping central axis of the clamping alignment structure is vertically arranged, and in this embodiment, the clamping central axis of the clamping alignment structure is horizontally arranged; in the former embodiment, the guiding direction of the guiding structure 5 is a vertical direction, that is, the sliding direction of the movable bracket 53 and the second clamping alignment structure 2 is a vertical direction, and in this embodiment, the sliding direction of the movable bracket 53 and the second clamping alignment structure 2 is set to be a horizontal direction; in the former embodiment, the pushing direction of the press-fitting structure 6 is set to be vertical, whereas in the present embodiment, the pushing direction of the press-fitting structure 6 is set to be horizontal. In terms of the fixing component of the casing 8, the fixing component of the casing 8 only plays a role of taking the casing 8, so that the fixing component of the casing 8 can be adaptively modified, namely, the casing 8 is sucked from the side part of the casing 8, and the fixing component of the casing 8 can also maintain the original structure, namely, the casing 8 is sucked directly from the upper end of the casing 8 (under the structure, the fixing component of the casing 8 needs to be designed separately from the press-fit structure 6). Accordingly, the power input assembly in this embodiment is also modified correspondingly, in this embodiment, the guide rail 101 is also configured in a multi-stage manner, in the former embodiment, the first horizontal section 102 and the second horizontal section 104 have a height difference, in this embodiment, the first horizontal section 102 and the second horizontal section 104 are located at the same horizontal position, and the second horizontal section 104 is closer to the first conveying line, and the first horizontal section 102 is farther from the first conveying line, which can be regarded as that the first horizontal section 102 and the second horizontal section 104 in the former embodiment are turned by 90 °.

In this embodiment, the tooling fixture 100 is mounted on the second conveying line 10, the second conveying line 10 synchronously drives the tooling fixture 100, the shell 8 is firstly grabbed to the alignment port through the sucker component 61, then the second conveying line 10 continuously drives the shell 8 to the side of the horizontal direction of the battery cell 7, the tooling fixture 100 moves towards the battery cell under the action of the guide rail 101, the fixed support is fixed, the movable support 53 is stressed to start sliding towards the battery cell, the first clamping alignment structure 1 and the second clamping alignment structure 2 move along with the corresponding battery cell of the movement of the movable support 53, at the moment, the first clamping alignment structure 1 corresponds to the periphery of the battery cell 7, the second clamping alignment structure 2 corresponds to the periphery of the shell 8, meanwhile, the press-mounting structure 6 (telescopic driving device) pushes the shell 8 to move towards the battery cell 7 for a small distance, and the driving component 3 drives the first clamping alignment structure 1 and the second clamping alignment structure 2 to synchronously perform clamping alignment, so that the horizontal positions of the battery cell 7 and the shell 8 are adjusted, and the battery cell 7 and the shell 8 are fixed; afterwards, the tooling fixture 100 continues to slide on the guide rail 101 until the second horizontal section 104, the first clamping alignment structure 1 does not advance any more, the second clamping alignment structure 2 continues to slide towards the battery core, a part of the shell 8 is sleeved into the battery core 7, when the second clamping alignment structure 2 slides to the limit position between the first clamping alignment structure 1 and the second clamping alignment structure, the second clamping alignment structure does not slide any more, and finally the press mounting structure 6 (the telescopic driving device) pushes the shell 8 to move towards the battery core 7 until the battery core 7 is completely fed into the shell 8, the battery core and the shell sequentially undergo position correction, battery core pre-housing and core pushing housing, the situation that the battery core or the shell is crushed due to inaccurate alignment when the battery core and the shell are once assembled is avoided, and the yield can be greatly improved; when the tool fixture 100 slides to the second transition section 105, the assembly of the battery cell 7 and the shell 8 is just completed, the movable support 53 slides away from the battery cell direction, the transmission plate 98 abuts against the sliding piece 97 to enable the second linkage rod 96 to slide synchronously, the second linkage rod 96 drives the first clamping body 11 to slide, meanwhile, the elastic reset piece 93 elastically resets to spring the first clamping body 11 and the second clamping body 21, and the tool fixture integrally resets.

Preferably, the first carrier and the second carrier are driven to move in a magnetic driving mode in the application, when the shell 8 and the battery cell 7 are conveyed in the mode, due to the fact that the friction resistance is small, the shell 8 and the battery cell 7 cannot generate severe shaking in the conveying process, the relative static state of the shell 8 and the battery cell 7 is well maintained, when the battery cell shell entering step is executed, the shell 8 can be accurately pressed onto the battery cell 7, adverse effects on the battery cell shell entering due to shaking generated in the conveying process are avoided, the battery cell shell entering effect can be guaranteed, and the yield is improved. The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (24)

1. A battery cell casing system, comprising: a first conveying apparatus for conveying the electric core; a second conveying device for conveying the housing proximate to the cell and holding the housing and cell relatively stationary; the shell entering executing structure comprises a clamping alignment structure for clamping and aligning the battery cell and the shell on the same central axis, a guiding structure for guiding the shell to slide towards the battery cell and a press-fitting structure for press-fitting the shell on the battery cell.

2. The battery cell casing system according to claim 1, wherein the first conveying device comprises a first conveying line and a plurality of first carriers arranged on the first conveying line at intervals, and the battery cell is fixed on the first carriers.

3. The battery cell casing system of claim 1, wherein the second conveying device comprises a second conveying line and a plurality of second carriers arranged on the second conveying line at intervals, and the casing is arranged on the second carriers.

4. A cell casing system according to claim 3 wherein the first conveying means comprises a first conveying line and the second conveying line is an annular conveying line, the first conveying line comprising a first section and the second conveying line comprising a second section parallel to the first section, the conveying direction and conveying speed of the first section and the second section being the same.

5. The battery cell casing system according to claim 4, wherein a plurality of first carriers are arranged on the first conveying line, the first conveying line is arranged below the second conveying line, and the first carriers are arranged right below the second carriers.

6. The battery cell casing system of claim 2, wherein the casing-in execution structure comprises a tooling fixture for taking the casing, the tooling fixture comprises a casing fixing component, and the tooling fixture is arranged on the second conveying device.

7. The battery cell casing system of claim 6, wherein the clamping alignment structure, the guiding structure, the press-fit structure and the tooling fixture are integrally arranged.

8. The cell housing system of claim 7, wherein the clamping alignment structure comprises: the first clamping alignment structure is used for clamping the battery cell;

the second clamping alignment structure is used for clamping the shell and aligning the shell and the battery core on the same central axis;

the driving assembly drives the first clamping alignment structure and the second clamping alignment structure to synchronously execute clamping actions.

9. The battery cell casing system of claim 8, wherein the guide structure comprises a fixed support and a movable support, the fixed support is fixedly connected to the second conveying device, the movable support is slidably connected to the fixed support, and a sliding direction of the movable support is a direction from the second clamping alignment structure to the first clamping alignment structure.

10. The battery cell casing system of claim 9, wherein the guide structure further comprises a first guide assembly and a second guide assembly, the first guide assembly is connected to the first clamping alignment structure, the second guide assembly is connected to the second clamping alignment structure, and the first guide assembly and the second guide assembly are slidably connected to drive the battery cell and the housing to approach each other.

11. The battery cell housing system of claim 10, wherein the guide structure further comprises a power input assembly that pushes the movable bracket and/or second clamp alignment structure to slide.

12. The battery cell casing system of claim 11, wherein the second conveying apparatus comprises a second conveying line, the power input assembly comprises a guide rail arranged on the second conveying line, the guide rail comprises a first horizontal section, a second horizontal section and a first transition section connected between the first horizontal section and the second horizontal section, and the first horizontal section is higher than the second horizontal section;

the fixture comprises a pulley arranged on the guide rail, the fixture comprises an alignment part enabling the battery cell and the shell to be coaxial, the shell is arranged on the alignment part, the battery cell is arranged below the second conveying line, and the battery cell is arranged in the second horizontal section and fed into the alignment part.

13. The battery cell casing system of claim 12, wherein the first transition section is stepped, the first transition section comprises a first inclined section, a third horizontal section, and a second inclined section connected in sequence, and the guide rail further comprises a second transition section connected between the second horizontal section and the first horizontal section.

14. The battery cell casing system of claim 11, wherein the second conveying apparatus comprises a second conveying line, the power input assembly comprises a guide rail arranged on the second conveying line, the guide rail comprises a first horizontal section, a second horizontal section and a first transition section connected between the first horizontal section and the second horizontal section, the first horizontal section is at the same level as the second horizontal section, the second horizontal section is close to the first conveying line, and the first horizontal section is far away from the first conveying line; the fixture comprises a pulley arranged on the guide rail, the fixture comprises an alignment part enabling the battery cell and the shell to be coaxial, the shell is arranged on the alignment part, the battery cell is arranged on one side of the second conveying line in the horizontal direction, and the battery cell is conveyed into the alignment part in the second horizontal section.

15. The battery cell casing system of claim 10, wherein the first clamping alignment structure comprises a first clamping body arranged on one side of the battery cell in the horizontal direction, the second clamping alignment structure comprises a second clamping body arranged on one side of the battery cell in the horizontal direction, the first clamping body and the second clamping body are arranged on the same side of the battery cell, the first clamping body is connected with the first guide assembly, and the second clamping body is connected with the second guide assembly.

16. The cell in-shell system of claim 15, wherein the in-shell actuation structure further comprises a linkage structure comprising a first linkage rod connected between the first and second guide assemblies; the shell entering executing structure further comprises a driving device, and the driving device is used for driving the first linkage rod to synchronously drive the first clamping body and the second clamping body to execute clamping action.

17. The system of claim 16, wherein one end of the first link rod is fixedly connected to the second clamping body, the first clamping body is provided with a first through hole through which the first link rod slides, and one end of the first link rod opposite to the second clamping body is clamped outside the first through hole.

18. The battery cell casing system of claim 17, wherein a resilient return member is disposed between the first clamping body and the second clamping body.

19. The battery cell casing system of claim 16, wherein the linkage structure further comprises a sleeve and a second linkage rod, the sleeve is arranged on the fixed support, the second linkage rod is arranged in the sleeve in a telescopic manner, the second linkage rod is connected with the first clamping alignment structure, the second linkage rod is further connected with the movable support, and the movable support synchronously drives the second clamping alignment structure to slide.

20. The battery cell housing system of claim 9, wherein the movable bracket further comprises an alignment port, and the fixed bracket further comprises a housing securing assembly disposed opposite the alignment port, the housing securing assembly capturing a housing to the alignment port.

21. The battery cell casing system of claim 20, wherein the press-fit structure comprises a telescoping drive comprising a telescoping end, the housing securing assembly being disposed at the telescoping end.

22. The cell casing system according to claim 21 wherein the second conveying device comprises an annular second conveying line, the second conveying line comprises a third section, the cell casing system further comprises a casing loading mechanism arranged on one side of the third section, the casing loading mechanism comprises a loading level, the casing loading mechanism conveys the casing to the loading level, and the casing fixing assembly takes the casing when the tool fixture moves above the loading level.

23. The battery cell housing system of claim 6, wherein the second transport device is an industrial robot that directly takes the housing.

24. The cell housing system of claim 6, wherein the housing securing assembly comprises a suction cup and/or a clamping jaw.

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