A positioning mechanism of an electric core and a steel shell and a semi-automatic assembling machine of an electric core and a steel shell

Abstract

The present application relates to a kind of positioning mechanism of battery cell and steel shell, including connecting platform, the both ends of connecting platform are equipped with reference positioning mechanism and battery cell positioning push piece respectively, reference positioning mechanism and battery cell positioning push piece between are equipped with middle positioning mechanism;The present application also provides a kind of battery cell and steel shell semi-automatic assembly machine, including cabinet, the surface of cabinet is machine table, machine table is equipped with a long hole, long hole both sides are equipped with parallel distribution slide rail assembly, slide rail assembly is slidably connected with the positioning mechanism of above-mentioned battery cell and steel shell, the side of machine table is equipped with steel shell down-pressing mechanism.The present application replaces manpower, improves product quality and promotes production efficiency, by the positioning mechanism of battery cell and steel shell, the two processes of battery cell positioning and steel shell positioning are integrated together, reduce production cost, improve production efficiency;Without manual positioning calibration to battery cell and steel shell, avoid human error, so that the reference of battery and steel shell assembly is unified.

Description

TECHNICAL FIELD

[0001] The application relates to a production device of a battery, in particular to a positioning mechanism of a battery cell and a steel shell and a semi-automatic assembling machine of the battery cell and the steel shell. BACKGROUND

[0002] With the development of the new energy industry, the battery as an important support of the new energy industry has higher and higher quality requirements on the produced battery, the shell assembling process of the soft package battery needs to accurately position the battery cell and the steel shell, and then the assembling is carried out, the process usually needs manpower to accurately position the battery cell and the steel shell, and finally the steel shell is pressed and assembled, the quality of the products in the process is difficult to be unified, meanwhile, the manpower and material resources are consumed, and the production efficiency is low. SUMMARY

[0003] The application provides a positioning mechanism of a battery cell and a steel shell, the positioning mechanism of the battery cell and the steel shell is arranged, the positioning of the battery cell and the steel shell is realized through the arrangement of the positioning mechanism of the battery cell and the steel shell, the application further provides a semi-automatic assembling machine of the battery cell and the steel shell, the positioning mechanism of the battery cell and the steel shell is arranged, and a steel shell pressing mechanism is further arranged, the positioning of the battery cell and the steel shell is completed through the positioning mechanism of the battery cell and the steel shell, and then the assembling is carried out through the steel shell pressing mechanism, manual positioning and calibration are not needed, human errors are avoided, the reference of the battery and the steel shell is unified, the product quality consistency is improved, and the yield is improved, meanwhile, the mechanism is designed ingeniously, a plurality of processes are completed through one mechanism, the production cost is reduced, and the production efficiency is higher.

[0004] In order to realize the above-mentioned purpose, the following technical scheme is adopted.

[0005] The application provides a positioning mechanism of a battery cell and a steel shell, the positioning mechanism of the battery cell and the steel shell is arranged, the positioning of the battery cell and the steel shell is realized through the arrangement of the positioning mechanism of the battery cell and the steel shell, the application further provides a semi-automatic assembling machine of the battery cell and the steel shell, the positioning mechanism of the battery cell and the steel shell is arranged, and a steel shell pressing mechanism is further arranged, the positioning of the battery cell and the steel shell is completed through the positioning mechanism of the battery cell and the steel shell, and then the assembling is carried out through the steel shell pressing mechanism, manual positioning and calibration are not needed, human errors are avoided, the reference of the battery and the steel shell is unified, the product quality consistency is improved, and the yield is improved, meanwhile, the mechanism is designed ingeniously, a plurality of processes are completed through one mechanism, the production cost is reduced, and the production efficiency is higher.

[0006] In the technical scheme, the connecting platform serves as a support of the positioning mechanism, two ends of the connecting platform are respectively provided with a reference positioning mechanism and a cell positioning push piece, a centering positioning mechanism is arranged between the reference positioning mechanism and the cell positioning push piece, a centering clamp is arranged at the center of the centering positioning mechanism, the centering clamp is located at two sides of the cell and the steel shell, the centering clamp can be clamped from two sides to the center to align the cell and the steel shell to the center, and then the positioning of the cell and the steel shell at two sides is completed; one end of the centering positioning mechanism is further provided with a steel shell reference positioning piece, the steel shell reference positioning piece is located at the same side as the cell positioning push piece, the cell positioning push piece can extend into the centering positioning mechanism through the hole arranged on the steel shell reference positioning piece, the cell positioning push piece can cooperate with a cell reference push block of the reference positioning mechanism, the cell positioning push piece can push the cell to be close to the cell reference push block, and then the cell is pushed to a set reference position by the cell reference push block to complete the positioning of the cell at two ends; the steel shell reference positioning piece can cooperate with a steel shell reference push block of the reference positioning mechanism, and the steel shell reference push block pushes the steel shell to abut against the steel shell reference positioning piece to complete the positioning of the steel shell at two ends. Through the arrangement of the centering positioning mechanism at the center of the connecting platform and the reference positioning mechanism and the cell positioning push piece at two ends, the cell and the steel shell are accurately positioned, the cell positioning and the steel shell positioning are integrated together through the positioning mechanism of the cell and the steel shell, the production cost is reduced, and the production efficiency is improved; the process does not need manual positioning and calibration, human errors are avoided, the reference of the assembly of the battery and the steel shell is unified, the product quality consistency is improved, and then the yield is improved.

[0007] Further, the centering positioning mechanism further comprises a mounting platform mounted on the connecting platform, the steel shell reference positioning piece is mounted on the mounting platform, the centering clamp is mounted at the bottom of the mounting platform, and the mounting platform is provided with parallel distributed guide spaces at two sides.

[0008] In the technical scheme, the mounting platform is used for placing the cell and the steel shell, and is used for mounting the centering clamp and the steel shell reference positioning piece, the centering clamp is mounted at the bottom of the mounting platform, the two cell steel shell positioning blocks of the centering clamp extend out from the guide spaces of the mounting platform and are located at two sides of the mounting platform, the two cell steel shell positioning blocks are respectively centered through the guide spaces at two sides to clamp and position the cell and the steel shell on the mounting platform, the steel shell reference positioning piece is mounted at one end of the mounting platform, the steel shell reference positioning piece cooperates with a steel shell reference push block at the opposite end, the steel shell is pushed to abut against the steel shell reference positioning piece through the steel shell reference push block, so that the steel shell is located on a reference surface, and then the reference positioning of the steel shell is completed.

[0009] Further, the centering fixture further comprises a centering slide rail assembly, a centering driving member and a centering connecting member, the centering slide rail assembly is provided with two groups and is installed in parallel on the bottom of the installation platform, the two battery steel shell positioning blocks are slidably connected with the installation platform through the centering slide rail assembly, the centering driving member is installed on the bottom of the installation platform, and the centering driving member is connected with the battery steel shell positioning block through the centering connecting member.

[0010] In the technical scheme, the two groups of centering slide rail assemblies are arranged in parallel on the two sides of the guide space, the two groups of centering slide rail assemblies are connected with the battery steel shell positioning blocks, so that the battery steel shell positioning blocks move more stably, the two groups of centering slide rail assemblies comprise a centering rail parallel to the guide space and two centering sliding blocks, the centering sliding blocks of the two groups of centering slide rail assemblies are connected with the corresponding battery steel shell positioning blocks, the two battery steel shell positioning blocks can slide along the corresponding guide space through the centering slide rail assembly, the centering driving member is installed in the middle of the bottom of the installation platform, the driving end of the centering driving member is connected with the centering connecting member, the two ends of the centering connecting member are connected with the battery steel shell positioning blocks, and the centering connecting member moves with the driving member and has a centering traction force on the battery steel shell positioning block through the driving of the centering driving member, so that the two battery steel shell positioning blocks move to the center along the centering slide rail assembly.

[0011] Further, the two ends of the centering connecting member connected with the two battery steel shell positioning blocks are provided with inclined guide holes, and the bottoms of the two battery steel shell positioning blocks are correspondingly provided with guide columns moving along the inclined guide holes.

[0012] In the technical scheme, the two ends of the centering connecting member are provided with inclined guide holes, the two battery steel shell positioning blocks are provided with guide columns, and the two inclined guide holes are correspondingly connected with the guide columns of the two battery steel shell positioning blocks. Through the movement of the centering connecting member driven by the centering driving member, the guide column abuts against the side wall of the inclined guide hole, the guide column obtains transverse and longitudinal driving forces in the inclined guide hole, and the battery steel shell positioning block slides on the sliding assembly under the driving force of the driving force in the same direction as the sliding direction of the centering slide rail assembly and the driving force different from the sliding direction of the centering slide rail assembly.

[0013] Further, a stepped groove is formed in the opposite side of each of the two battery steel shell positioning blocks.

[0014] In the technical scheme, the opposite side of each of the two battery steel shell positioning blocks is a second steel shell reference surface, a stepped groove is formed in the opposite side of each of the two battery steel shell positioning blocks, and the inner side surface of the stepped groove is a battery cell reference surface.

[0015] Further, the steel shell reference positioning member is provided with a convex-shaped avoiding slot, and a shoulder of the convex-shaped avoiding slot is a first steel shell reference surface.

[0016] In the technical scheme, the convex-shaped avoiding slot is used to avoid the convex structure of the steel shell edge, eliminate the influence of the convex structure on the positioning of the steel shell, and enable the reference positioning mechanism to push the steel shell to abut against the shoulder of the convex-shaped avoiding slot, thereby completing the reference positioning of the steel shell and the first steel shell reference surface.

[0017] Further, the reference positioning mechanism comprises a support plate, a connecting block, a reference driving member and a reference positioning member, the connecting block is fixedly connected with the connecting platform, the connecting block is fixedly connected with the support plate, the reference driving member is arranged on the support plate, the reference positioning member comprises a battery cell reference pushing block and a steel shell reference pushing block, the battery cell reference pushing block is slidably connected with the reference driving member through a reference slide rail assembly, the steel shell reference pushing block is slidably connected with the battery cell reference pushing block through a guide rail assembly, one end of the guide rail assembly away from the connecting platform is provided with a stop surface, and the stop surface is connected with the steel shell reference pushing block through a buffer elastic member.

[0018] In the technical scheme, the support plate is connected with the connecting platform through the connecting block, the reference driving member on the support plate can drive the battery cell reference pushing block on the reference positioning member to move on the reference slide rail assembly, the battery cell reference pushing block moves to abut against one side of the battery cell placed on the mounting platform, and then continues to move to push the battery cell to a preset battery cell reference position, the guide rail assembly is arranged above the battery cell reference pushing block, the steel shell reference pushing block is slidably connected with the guide rail assembly, the stop surface at one end of the guide rail assembly is connected with the steel shell reference pushing block through the buffer elastic member, the steel shell reference pushing block is pulled by the buffer elastic member, and the steel shell reference pushing block does not slide with the guide rail assembly on the battery cell reference pushing block in the state that the steel shell reference pushing block is not subjected to external force, the steel shell reference pushing block moves with the battery cell reference pushing block under the driving of the reference driving member, the steel shell reference pushing block moves to abut against the steel shell, and then pushes the steel shell to move until abutting against the second steel shell reference surface on the opposite side, the buffer elastic member is contracted under the stop action of the second steel shell reference surface, so that the steel shell reference pushing block moves along the guide rail assembly to the direction close to the stop surface, and then the steel shell reference pushing block will not damage the steel shell under the buffering action of the buffer elastic member before the battery cell reference pushing block reaches the reference position.

[0019] The application also provides a battery cell and steel shell semi-automatic assembling machine, which comprises a machine box, the surface of the machine box is a machine table, an elongated hole is arranged on the machine table, parallel slide rail assemblies are arranged on both sides of the elongated hole along the length direction, the battery cell and steel shell positioning mechanism is slidably connected on the slide rail assemblies, and a steel shell pressing mechanism is arranged on one side of the machine table.

[0020] In the technical scheme, the cabinet serves as a support of the machine table, the machine table and the interior of the cabinet are communicated through the long hole arranged on the surface of the machine table, the positioning mechanism of the battery cell and the steel shell is installed on the interior and exterior of the machine table and the cabinet, the production space of the equipment is more reasonably utilized, the reference surface of the battery cell and the steel shell is calibrated and positioned by the positioning mechanism of the battery cell and the steel shell, the assembly of the steel shell and the battery cell is prepared, a long hole is arranged, the connecting platform can slide along the length direction of the long hole through the slide rail assembly, the positioning mechanism of the battery cell and the steel shell moves with the connecting platform on the slide rail assembly, the positioned battery cell and steel shell are moved to the lower side of the steel shell pressing mechanism, the steel shell pressing mechanism comprises a support frame, an up-down displacement mechanism and a pressing piece, the support frame is installed on the machine table, the up-down displacement mechanism is installed on the side surface of the support frame, the driving end of the up-down displacement mechanism is connected with the pressing piece, the up-down displacement mechanism drives the pressing piece to move downward and abut against the steel shell, and the assembly of the steel shell and the battery cell is completed by continuously moving downward. The positioning mechanism of the battery cell and the steel shell is positioned, then the steel shell and the battery cell are assembled by the steel shell pressing mechanism, manual positioning and calibration are not needed, human error is avoided, the reference of the assembly of the battery and the steel shell is unified, the product quality consistency is improved, the yield is improved, manual work is replaced, the working strength is reduced, the product quality is improved, the positioning of the steel shell and the battery cell is completed by one mechanism, the production efficiency is improved, and the cost is saved.

[0021] Further, the machine table bottom surface is provided with a moving module, the moving module comprises a stroke guide and a moving slider, the moving slider is in sliding connection with the stroke guide, and the moving slider is connected with the connecting platform through a driving connecting piece.

[0022] In the technical scheme, the moving module is arranged on one side of the long hole and parallel to the long hole, the stroke direction of the moving module is consistent with the length direction of the long hole, the moving slider of the moving module is connected with the connecting platform through the driving connecting piece, and the connecting platform can move to the lower side of the steel shell pressing mechanism along the long hole under the driving of the moving module, so that the assembly of the steel shell and the battery cell is completed.

[0023] Further, the diagonal positions of the positioning mechanism are provided with support elastic columns.

[0024] In the technical scheme, the support elastic columns at the diagonal positions of the positioning mechanism have a supporting effect on the steel shell, the surface of the battery cell is made of soft glue material, the steel shell is directly placed on the surface of the battery cell, the surface of the steel shell is not flat, the positioning precision of the steel shell is affected, and then the assembly precision of the steel shell and the battery cell is affected, the support elastic columns can be contracted downward without affecting the assembly of the battery cell and the steel shell when the pressing piece is driven by the steel shell pressing mechanism to press the steel shell downward.

[0025] Compared with the prior art, the positioning mechanism of the battery cell and the steel shell and the semi-automatic battery cell and steel shell assembling machine have the following beneficial effects.

[0026] The positioning mechanism of the battery cell and the steel shell has the functions of automatically positioning the battery and the steel shell.The positioning mechanism of the battery cell and the steel shell is provided, the two processes of positioning the battery cell and positioning the steel shell are integrated together, the production cost is reduced, and the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a front three-axis view of the positioning mechanism of the battery cell and the steel shell of the present application.

[0028] Figure 2 It is an enlarged view of A part of Figure 1

[0029] Figure 3 It is a bottom view of the centering positioning mechanism of the present application.

[0030] Figure 4 It is a front three-axis view of the reference positioning mechanism of the present application.

[0031] Figure 5 It is a front three-axis view of the semi-automatic battery cell and steel shell assembling machine of the present application.

[0032] Figure 6 It is a schematic view of the lower pressing piece of the present application.

[0033] Figure 7 It is a bottom view of the machine table of the present application.

[0034] Explanation of reference numerals: 1 - case; 2 - machine table; 3 - reference positioning mechanism; 4 - centering positioning mechanism; 5 - cell positioning push piece; 6 - slide rail assembly; 7 - elongated hole; 8 - steel shell pressing mechanism; 9 - connecting platform; 10 - moving module; 11 - driving connecting piece; 31 - support plate; 32 - connecting block; 33 - reference driving piece; 34 - reference positioning piece; 341 - cell reference push block; 342 - steel shell reference push block; 35 - reference slide rail assembly; 36 - guide rail assembly; 37 - stop surface; 38 - buffer elastic piece; 41 - mounting platform; 42 - centering clamp; 421 - cell steel shell positioning block; 4211 - stepped groove; 4212 - cell reference surface; 4213 - second steel shell reference surface; 422 - centering slide rail assembly; 4221 - centering track; 4222 - centering slide block; 423 - centering driving piece; 424 - centering connecting piece; 425 - inclined guide hole; 426 - guide column; 43 - steel shell reference positioning piece; 431 - convex-shaped avoidance groove; 432 - first steel shell reference surface; 44 - support elastic column; 45 - guide space; 81 - support frame; 82 - up-and-down displacement mechanism; 83 - pressing piece; 84 - steel shell suction cup; 101 - stroke guide piece; 102 - moving slide block. DETAILED DESCRIPTION

[0035] A cell and steel shell positioning mechanism and a cell and steel shell semi-automatic assembly machine according to the present application will be described in further detail below in conjunction with specific embodiments and the accompanying drawings. Embodiment 1

[0036] Reference Figures 1 to 4In a non-restrictive embodiment of the present application, a positioning mechanism for an electric core and a steel shell comprises a connecting platform 9, wherein a centering positioning mechanism 4 is arranged on the connecting platform 9, the centering positioning mechanism 4 comprises a centering clamp 42 for clamping and positioning the two sides of the electric core and the steel shell, one end of the centering positioning mechanism 4 is provided with a steel shell reference positioning member 43, the bottom of the steel shell reference positioning member 43 is provided with a hole for the electric core positioning push member 5 to pass through, one end of the connecting platform 9 is provided with the electric core positioning push member 5 which can pass through the steel shell reference positioning member 43, the other end of the connecting platform 9 is provided with a reference positioning mechanism 3, the reference positioning mechanism 3 is provided with a steel shell reference push block 342 corresponding to the steel shell reference positioning member 43, and the lower side of the steel shell reference push block 342 is provided with an electric core reference push block 341 corresponding to the electric core positioning push member 5. In the above technical solution, the connecting platform 9 serves as the support of the positioning mechanism, the two ends of the connecting platform 9 are respectively provided with the reference positioning mechanism 3 and the electric core positioning push member 5, the centering positioning mechanism 4 is arranged between the reference positioning mechanism 3 and the electric core positioning push member 5, the centering positioning mechanism 4 is provided with the centering clamp 42 in the middle part, the centering clamp 42 is located on the two sides of the electric core and the steel shell, the centering clamp 42 can clamp the electric core and the steel shell from the two sides to the middle to align the electric core and the steel shell to the middle, thereby completing the positioning of the two sides of the electric core and the steel shell; one end of the centering positioning mechanism 4 is also provided with the steel shell reference positioning member 43, the steel shell reference positioning member 43 is located on the same side as the electric core positioning push member 5, the electric core positioning push member 5 can extend into the centering positioning mechanism 4 through the hole arranged on the steel shell reference positioning member 43, the electric core positioning push member 5 can cooperate with the electric core reference push block 341 of the reference positioning mechanism 3, the electric core positioning push member 5 can push the electric core to be close to the electric core reference push block 341, and then the electric core is pushed to the set reference position by the electric core reference push block 341 to complete the positioning of the two ends of the electric core; the steel shell reference positioning member 43 can cooperate with the steel shell reference push block 342 of the reference positioning mechanism 3, and the steel shell reference push block 342 pushes the steel shell to abut against the steel shell reference positioning member 43 to complete the positioning of the two ends of the steel shell. By arranging the centering positioning mechanism 4 in the middle part of the connecting platform 9 and the reference positioning mechanism 3 and the electric core positioning push member 5 at the two ends, the electric core and the steel shell are accurately positioned, the positioning of the electric core and the positioning of the steel shell are integrated together by the positioning mechanism for the electric core and the steel shell, the production cost is reduced, and the production efficiency is improved; the process does not need manual positioning and calibration, human errors are avoided, the reference of the assembly of the battery and the steel shell is unified, the product quality consistency is improved, and the yield is improved.

[0037] Reference Figures 1 to 4In a non-restrictive embodiment of the present application, the centering mechanism 4 further comprises a mounting platform 41 mounted on the connecting platform 9, the steel shell reference positioning member 43 is mounted on the mounting platform 41, the centering clamp 42 is mounted on the bottom of the mounting platform 41, and the two sides of the mounting platform 41 are provided with parallel distributed guide spaces 45, the centering clamp 42 comprises two electric core steel shell positioning blocks 421 corresponding to the positions of the guide spaces 45. In the above technical solution, the mounting platform 41 is used for placing the electric core and the steel shell, and is also used for mounting the centering clamp 42 and the steel shell reference positioning member 43, the centering clamp 42 is mounted on the bottom of the mounting platform 41, the two electric core steel shell positioning blocks 421 of the centering clamp 42 are extended from the guide spaces 45 of the mounting platform 41 and located on the two sides of the mounting platform 41, the two electric core steel shell positioning blocks 421 are respectively centered through the two guide spaces 45 to clamp and complete positioning on the electric core and the steel shell on the mounting platform 41, the steel shell reference positioning member 43 is mounted on one end of the mounting platform 41, the steel shell reference positioning member 43 cooperates with the steel shell reference push block 342 on the opposite end, the steel shell is pushed to abut against the steel shell reference positioning member 43 through the steel shell reference push block 342, so that the steel shell is located on the reference surface, and the reference positioning of the steel shell is completed.

[0038] With reference to Figures 1 to 4In a non-restrictive embodiment of the present application, the centering clamp 42 further comprises a centering slide rail assembly 422, a centering driving member 423 and a centering connecting member 424. The centering slide rail assembly 422 is provided with two groups and is installed in parallel on the bottom of the mounting platform 41. The two battery steel shell positioning blocks 421 are slidably connected to the mounting platform 41 through the centering slide rail assembly 422. The centering driving member 423 is installed on the bottom of the mounting platform 41. The centering driving member 423 is connected to the battery steel shell positioning block 421 through the centering connecting member 424. In the above technical solution, the two groups of centering slide rail assemblies 422 are distributed in parallel on both sides of the guide space 45. The two groups of centering slide rail assemblies 422 are connected to the battery steel shell positioning block 421, so that the battery steel shell positioning block 421 moves more stably. The two groups of centering slide rail assemblies 422 comprise a centering rail 4221 parallel to the guide space 45 and two centering slide blocks 4222. The centering slide blocks 4222 of each group of centering slide rail assemblies 422 are connected to the corresponding battery steel shell positioning block 421. The two battery steel shell positioning blocks 421 can slide along the corresponding guide space 45 through the centering slide rail assembly 422. The centering driving member 423 is installed in the middle of the bottom of the mounting platform 41. The driving end of the centering driving member 423 is connected to the centering connecting member 424. The two ends of the centering connecting member 424 are connected to the battery steel shell positioning block 421. Through the driving of the centering driving member 423, the centering connecting member 424 moves with the driving member and has a centering traction force on the battery steel shell positioning block 421, so that the two battery steel shell positioning blocks 421 move towards the center along the centering slide rail assembly.

[0039] Referring to Figures 1 to 4 In a non-restrictive embodiment of the present application, the two ends of the centering connecting member 424 connected to the two battery steel shell positioning blocks 421 are provided with inclined guide holes 425. The bottom of each battery steel shell positioning block 421 is provided with a guide column 426 that moves along the inclined guide hole 425. In the above technical solution, the two ends of the centering connecting member 424 are provided with inclined guide holes 425. The two battery steel shell positioning blocks 421 are provided with guide columns 426. The two inclined guide holes are respectively connected to the guide columns 426 of the two battery steel shell positioning blocks 421. The inclined guide hole 425 is provided. Through the driving of the centering driving member 423, the centering connecting member 424 moves, and then the guide column 426 abuts against the side wall of the inclined guide hole 425. The guide column 426 obtains horizontal and vertical driving forces in the inclined guide hole 425. Under the action of the driving force, the battery steel shell positioning block 421 is driven by the driving force in the same direction as the sliding direction of the centering slide rail assembly 422 to slide on the sliding assembly. The driving force in the direction different from the sliding direction of the centering slide rail assembly 422 limits the displacement of the battery steel shell positioning block 421 in that direction.

[0040] With reference to Figures 1 to 4 In a non-restrictive embodiment of the present application, the two steel shell positioning blocks 421 are provided with a stepped groove 4211 on opposite sides. In the above technical solution, the opposite sides of the two steel shell positioning blocks 421 are the second steel shell reference surfaces 4213, and a stepped groove 4211 is provided on each of the opposite sides of the two steel shell positioning blocks. The inner side of the stepped groove 4211 is the cell reference surface 4212.

[0041] With reference to Figures 1 to 4 In a non-restrictive embodiment of the present application, the steel shell reference positioning member 43 is provided with a convex-shaped avoidance groove 431, and the shoulder of the convex-shaped avoidance groove 431 is the first steel shell reference surface 432. In the above technical solution, the convex-shaped avoidance groove 431 is used to avoid the protruding structure of the steel shell edge, eliminate the influence of the protruding structure on the positioning of the steel shell, and enable the reference positioning mechanism 3 to push the steel shell to abut against the shoulder of the convex-shaped avoidance groove 431, thereby completing the reference positioning of the steel shell and the first steel shell reference surface 432.

[0042] With reference to Figures 1 to 4In a non-restrictive embodiment of the present application, the reference positioning mechanism 3 comprises a support plate 31, a connecting block 32, a reference driving member 33 and a reference positioning member 34. The connecting block 32 is fixedly connected with the connecting platform 9. The connecting block 32 is fixedly connected with the support plate 31. The reference driving member 33 is arranged on the support plate 31. The reference positioning member 34 comprises an electric core reference push block 341 and a steel shell reference push block 342. The electric core reference push block 341 is slidably connected with the reference driving member 33 through a reference slide rail assembly 356. The steel shell reference push block 342 is slidably connected with the electric core reference push block 341 through a guide rail assembly 36. One end of the guide rail assembly 36 away from the connecting platform 9 is provided with a stop surface 37. The stop surface 37 is connected with the steel shell reference push block 342 through a buffer elastic member 38. In the above technical solution, the support plate 31 is connected with the connecting platform 9 through the connecting block 32. The reference driving member 33 on the support plate 31 can drive the electric core reference push block 341 on the reference positioning member 34 to move on the reference slide rail assembly 356. The electric core reference push block 341 moves and abuts against one side of the electric core placed on the mounting platform 41, and then continues to move to push the electric core to the preset electric core reference position. The guide rail assembly 36 is arranged above the electric core reference push block 341. The steel shell reference push block 342 is slidably connected with the guide rail assembly 36. The stop surface 37 at one end of the guide rail assembly 36 is connected with the steel shell reference push block 342 through the buffer elastic member 38. The steel shell reference push block 342 is pulled by the buffer elastic member 38. In the state that the steel shell reference push block 342 is not subjected to external force, the guide rail assembly 36 on the electric core reference push block 341 does not slide. The steel shell reference push block 342 moves with the electric core reference push block 341 under the driving of the reference driving member 33. The steel shell reference push block 342 moves and abuts against the steel shell, and pushes the steel shell to move until abutting against the second steel shell reference surface 4213 on the opposite side. The buffer elastic member 38 is contracted under the stop action of the second steel shell reference surface 4213, so that the steel shell reference push block 342 moves along the guide rail assembly 36 to the direction close to the stop surface 37. Therefore, the steel shell reference push block 342 will not damage the steel shell under the buffering action of the buffer elastic member 38 before the electric core reference push block 341 reaches the reference position. Example 2

[0043] With reference to Figures 1 to 7The application discloses a kind of non-restrictive embodiment, a kind of electric core and steel shell semi-automatic assembly machine, including machine box 1, the surface of the machine box 1 is machine table 2, the machine table 2 is equipped with one long hole 7, the long hole 7 is equipped with parallel distribution slide rail assembly 6 along the length direction of two sides, the electric core and steel shell positioning mechanism of embodiment 1 is slidably connected on the slide rail assembly 6, one side of the machine table 2 is equipped with steel shell down-pressing mechanism 8.In the above technical solution, the machine box 1 is as the support of the machine table 2, by being provided with long hole 7 on the surface of machine table 2, the machine table 2 is communicated with the inside of machine box 1, by being installed in the inside and outside of machine table 2 and machine box 1, the positioning mechanism of electric core and steel shell is more reasonably utilized the production space of equipment, by being calibrated and positioned to the datum plane of electric core and steel shell by the positioning mechanism of electric core and steel shell, the assembly of steel shell and electric core is prepared, then by being provided with one long hole 7, the connecting platform 9 can be slid along the length direction of long hole 7 by slide rail assembly 6, and then the positioning mechanism of electric core and steel shell moves with the connecting platform 9 on slide rail assembly 6, so that the electric core and steel shell that are positioned are moved to the below of steel shell down-pressing mechanism 8, the steel shell down-pressing mechanism 8 includes support frame 81, up-down displacement mechanism 82 and down-pressing piece 83, the support frame 81 is installed on the machine table 2, the up-down displacement mechanism 82 is installed on the side of support frame 81, the driving end of the up-down displacement mechanism 82 is connected with the down-pressing piece 83, the up-down displacement mechanism 82 drives the down-pressing piece 83 to move downward and abut against steel shell, and continues to move downward to complete the assembly of steel shell and electric core, the bottom of the down-pressing piece 83 is equipped with steel shell suction cup 84, the steel shell suction cup 84 can stabilize steel shell during assembly process so that the position does not deviate, and the precision requirement of assembly is guaranteed.Through the positioning of the positioning mechanism of electric core and steel shell, then the assembly of steel shell and electric core is carried out by steel shell down-pressing mechanism 8, without manual positioning and calibration, avoid human error, so that the datum of battery and steel shell assembly is unified, product quality consistency is improved, and then the yield is improved, replaces manual work, reduces work intensity, improves product quality, simultaneously, the positioning of steel shell and electric core is completed through one mechanism, production efficiency is improved, and cost is saved.

[0044] Reference Figure 7In a non-restrictive embodiment of the present application, the bottom surface of the machine table 2 is provided with a moving module 10, the moving module 10 comprises a stroke guide 101 and a moving slider 102, the moving slider 102 is in sliding connection with the stroke guide 101, and the moving slider 102 is connected with the connecting platform 9 through a driving connecting piece 11. In the above technical solution, the moving module 10 is arranged on the bottom surface of the machine table 2 on one side of the elongated hole 7 and parallel to the elongated hole 7, the stroke direction of the moving module 10 is consistent with the length direction of the elongated hole 7, the moving slider 102 of the moving module 10 is connected with the connecting platform 9 through the driving connecting piece 11, and under the driving of the moving module 10, the connecting platform 9 can move to the lower side of the steel shell pressing mechanism 8 along the elongated hole 7 to assemble the steel shell and the battery cell.

[0045] Referring to Figures 1 to 7 In a non-restrictive embodiment of the present application, the diagonal positions of the centering positioning mechanism 4 are provided with supporting elastic columns 44. In the above technical solution, the supporting elastic columns 44 at the diagonal positions of the centering positioning mechanism 4 have supporting effect on the steel shell, the surface of the battery cell is made of soft rubber material, the direct placement of the steel shell on the surface of the battery cell will cause the phenomenon of uneven surface and affect the positioning accuracy of the steel shell and further affect the assembly accuracy of the steel shell and the battery cell, and when the steel shell pressing mechanism 8 drives the pressing piece to press the steel shell, the supporting elastic columns 44 can be contracted downward without affecting the assembly of the battery cell and the steel shell.

[0046] Referring to Figures 1 to 7 The working principle of the positioning mechanism of the battery cell and the steel shell and the semi-automatic assembling machine of the battery cell and the steel shell is as follows:

[0047] Firstly, the battery cell is placed on the mounting platform 41, and then the steel shell is placed, the steel shell is supported by the supporting elastic columns 44 and does not contact the battery cell, the battery cell positioning pushing piece 5 pushes the battery cell to move close to the reference positioning mechanism 3, the battery cell reference pushing block 341 on the reference positioning mechanism 3 is driven by the reference driving piece 33 to push one end of the battery cell until the battery cell is located at a preset reference position, at the same time, the steel shell reference pushing block 342 pushes the steel shell to move to the second steel shell reference surface 4231 until the steel shell is in abutment with the second steel shell reference surface 4231 to complete the positioning of the steel shell, the steel shell positioning block 421 of the centering positioning mechanism 4 clamps the battery cell and the steel shell from both sides to the middle to align the battery cell and the steel shell to the center line on the mounting platform 41 to complete the positioning of the battery cell and the steel shell, finally, the connecting platform 9 is controlled to move by the moving module 10 to move the battery cell and the steel shell to the lower side of the steel shell pressing mechanism 8, and the steel shell is pressed by the steel shell pressing mechanism 8 to complete the assembly of the steel shell and the battery cell.

[0048] In the description of the application, it should be understood that the terms such as "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application.

[0049] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0050] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0051] The above embodiments are only specific embodiments of the present application, which are described in more detail and in more detail, but should not be construed as limiting the scope of the present patent. It should be noted that for those skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, and these obvious alternative forms all belong to the protection scope of the present application.

Claims

1. A positioning mechanism for a battery cell and a steel casing, characterized in that: The system includes a connecting platform, on which a centering and positioning mechanism is provided. The centering and positioning mechanism includes centering clamps for clamping and positioning the battery cell and steel shell from both front and rear sides. One end of the connecting platform has a battery cell positioning pusher. At the same end of the centering and positioning mechanism, a steel shell reference positioning component is provided, with a movable space through which the battery cell positioning pusher passes. The other end of the connecting platform has a reference positioning mechanism, which includes a steel shell reference push block corresponding to the steel shell reference positioning component and a battery cell reference push block corresponding to the battery cell positioning pusher. The reference positioning mechanism includes a support plate, a connecting block, a reference drive component, and a reference positioning component. The connecting block is fixedly connected to the connecting platform and to the support plate. The reference driving component is mounted on the support plate. The reference positioning component includes a battery cell reference push block and a steel shell reference push block. The battery cell reference push block is slidably connected to the reference driving component through a reference slide rail assembly. The steel shell reference push block is slidably connected to the battery cell reference push block through a guide rail assembly. The guide rail assembly has a stop surface at one end away from the connecting platform. The stop surface is connected to the steel shell reference push block through a buffer elastic element. The centering positioning mechanism also includes an installation platform mounted on the connecting platform. The steel shell reference positioning component is mounted on the installation platform. The centering clamp is mounted on the bottom of the installation platform. Parallel guide spaces are provided on both sides of the installation platform. The centering clamp includes two battery cell steel shell positioning blocks corresponding to the positions of the guide spaces. Support elastic columns are provided at the diagonals of the centering positioning mechanism.

2. The positioning mechanism for the battery cell and steel shell according to claim 1, characterized in that: The centering fixture also includes a centering slide rail assembly, a centering drive component, and a centering connector. The centering slide rail assembly is provided in two sets and is installed in parallel at the bottom of the installation platform. The two battery cell steel shell positioning blocks are slidably connected to the installation platform through the centering slide rail assembly. The centering drive component is installed at the bottom of the installation platform and is connected to the battery cell steel shell positioning blocks through the centering connector.

3. The positioning mechanism for the battery cell and steel shell according to claim 2, characterized in that: The centering connector has inclined guide holes at both ends that connect to the two battery cell steel shell positioning blocks, and the bottom of each of the two battery cell steel shell positioning blocks has a guide post that moves along the inclined guide hole.

4. The positioning mechanism for the battery cell and steel shell according to claim 3, characterized in that: Each of the two battery cell steel shell positioning blocks has a stepped groove on one side of its opposite side.

5. The positioning mechanism for the battery cell and steel shell according to claim 2, characterized in that: The steel shell reference positioning component has a convex-shaped relief groove, and the shoulder of the convex-shaped relief groove is the first steel shell reference surface.

6. A semi-automatic assembly machine for battery cells and steel casings, characterized in that: The device includes a chassis, the surface of which is a machine platform. An elongated hole is provided on the machine platform, and parallel slide rail assemblies are provided on both sides of the elongated hole along its length. A positioning mechanism for the battery cell and the steel shell as described in any one of claims 1 to 5 is slidably connected to the slide rail assembly. A steel shell pressing mechanism is provided on one side of the machine platform.

7. The semi-automatic assembly machine for battery cells and steel shells according to claim 6, characterized in that: The machine base is provided with a moving module, which includes a stroke guide and a moving slider. The moving slider is slidably connected to the stroke guide and is connected to the connecting platform through a drive connector.

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