CN220050665U - Positioning mechanism for welding battery terminals - Google Patents
Positioning mechanism for welding battery terminals Download PDFInfo
- Publication number
- CN220050665U CN220050665U CN202321668126.7U CN202321668126U CN220050665U CN 220050665 U CN220050665 U CN 220050665U CN 202321668126 U CN202321668126 U CN 202321668126U CN 220050665 U CN220050665 U CN 220050665U
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- assembly
- battery
- bedplate
- platen
- positioning mechanism
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- 238000003466 welding Methods 0.000 title claims abstract description 21
- 238000013519 translation Methods 0.000 claims abstract description 35
- 238000001514 detection method Methods 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model belongs to the technical field of battery welding, and relates to a positioning mechanism for battery terminal welding, which comprises a bedplate, a reference assembly and an auxiliary positioning assembly, wherein the bedplate is used for supporting a battery assembly; the reference component is clung to the side surface of the bedplate along the first direction and at least partially protrudes outwards from the bedplate to form a positioning reference of the battery component, and the auxiliary positioning component can move towards the direction of the reference component to position the battery component; the auxiliary positioning assembly comprises a first translation driving piece and a pushing piece, a strip-shaped hole extending along a second direction is formed in the bedplate, the second direction is not parallel to the first direction, one end of the pushing piece extends out of the strip-shaped hole, and the first translation driving piece can drive the pushing piece to move in the strip-shaped hole, so that the pushing piece pushes the battery assembly to the reference assembly. The utility model can accurately position the battery assembly before welding, has strong adaptability and can not damage the battery assembly.
Description
Technical Field
The utility model belongs to the field of battery assembly welding, and particularly relates to a positioning mechanism for battery terminal welding.
Background
In the automatic welding production process of the battery piece assembly and the welding strip, the battery piece assembly needs to be positioned efficiently and accurately before series welding, confluence and the like, otherwise, higher reject ratio of terminal cold welding, offset welding and the like of the battery assembly can be caused.
The existing battery assembly welding positioning mechanism generally adopts a mode of pushing and positioning one end, and a positioning reference is fixed, so that the positioning adaptability and flexibility are poor. In addition, because the positioning mechanism is fixed for the pushing stroke of a product, when the size of the battery piece is slightly larger, the pushing plate and the battery piece are in rigid collision, so that the battery piece is easy to be crushed, and the battery piece is broken; when the size of the battery piece is slightly smaller, gaps possibly exist between the pushing plate or the positioning reference and the battery piece, so that the positioning accuracy of the battery piece is reduced, and the production qualification rate of welding the battery terminal is reduced due to the problems.
Disclosure of Invention
Aiming at the problems of poor positioning adaptability and flexibility of the existing welding positioning mechanism to battery pieces and low production qualification rate, the utility model provides a positioning mechanism for welding battery assembly terminals.
The positioning mechanism for terminal welding comprises a bedplate, a reference assembly and an auxiliary positioning assembly, wherein the bedplate is used for supporting a battery assembly; the reference assembly is clung to the side surface of the bedplate along a first direction and at least partially protrudes outwards from the bedplate to form a positioning reference of the battery assembly, and the auxiliary positioning assembly can move towards the direction of the reference assembly to position the battery assembly;
the auxiliary positioning assembly comprises a first translation driving piece and a pushing piece, wherein a strip-shaped hole extending along a second direction is formed in the bedplate, the second direction is not parallel to the first direction, one end of the pushing piece extends out of the strip-shaped hole, and the first translation driving piece can drive the pushing piece to move in the strip-shaped hole so that the pushing piece pushes the battery assembly to the reference assembly; the width of the strip-shaped hole is matched with the width of the pushing piece.
Preferably, the push plate is a flexible spring plate, and after the battery assembly is positioned on the bedplate, the distance between the contact point of the push plate and the battery assembly and the reference assembly is smaller than the width of the battery assembly.
Preferably, the auxiliary positioning assembly further comprises a supporting rod, the supporting rod is installed at the output end of the first translation driving piece along the first direction, and a row of pushing pieces are fixed on the supporting rod at intervals.
Preferably, the reference assembly comprises a second translation driving part and a reference rod in driving connection with the second translation driving part, and the second translation driving part can drive the reference rod to move along a second direction until the reference rod is clung to the side face of the battery assembly.
Preferably, the reference assembly further comprises a micro-moving table mounted on the second output end of the translation driving piece, the micro-moving table is provided with a handle capable of adjusting displacement along the second direction, a fixing seat is mounted on the micro-moving table, and the reference rod is fixedly mounted on the fixing seat.
Further, the device also comprises a stand positioned at the end part of the bedplate, a first detection sensor used for detecting the end part position of the battery assembly is also fixed on the stand, and the first detection sensor is in communication connection with a controller; after the platen is moved by a set distance in the direction of the first detection sensor, the first detection sensor can detect whether the end position of the battery pack meets the requirement.
Preferably, the first detection sensor is a groove-shaped photoelectric sensor, an avoidance groove is formed in the end portion of the platen, and the groove-shaped photoelectric sensor is inserted into the avoidance groove when the platen moves.
Preferably, the platen is fixedly supported by a column, the first translation driving member and the second translation driving member are all mounted on a bottom plate at an output end of the third translation driving member, and the third translation driving member can drive the platen to move along the first direction.
Preferably, a guide rail extending in the first direction is mounted at an end of the platen remote from the channel-shaped photosensor, and the platen slides along the guide rail.
The beneficial effects of the utility model are as follows:
according to the utility model, the reference component and the auxiliary positioning component are matched with each other, the reference component provides a positioning reference for the battery component, and then the auxiliary positioning component pushes the battery component to enable the battery component to cling to two opposite sides of the battery component, so that the battery component is accurately positioned.
The auxiliary positioning assembly comprises the pushing piece, the pushing piece is a flexible elastic piece, the pushing piece is pushed by the translation driving piece II to move along the strip-shaped hole on the bedplate to push the battery assembly, and the battery assembly is continuously pushed until the pushing piece is bent and deformed backwards, so that the battery assembly is not damaged by pressure in the positioning process, and the structural safety of the battery assembly is effectively protected.
The groove-shaped photoelectric switch can detect whether the end position of the battery assembly is qualified or not, and if the end position of the battery assembly is qualified, the battery assembly is taken out for welding, so that the positioning accuracy of the transverse position of the battery assembly is further ensured.
The utility model has strong compatibility and the compatibility range is as follows: a shingle cell assembly, a series welded cell assembly, a long series compatibility assembly, a short series assembly, and the like.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is an isometric view of one view of the present utility model;
FIG. 2 is an isometric view of another view of the present utility model;
FIG. 3 is a top view of the present utility model;
fig. 4 is a front view of the present utility model.
Marked in the figure as: 1. a platen; 11. a bar-shaped hole; 12; an avoidance groove; 13. a column; 2. a reference assembly; 21. a translation driving piece II; 22. micro-moving the platform; 23. a fixing seat; 24. a reference lever; 25. a handle; 3. an auxiliary positioning assembly; 31. a translation driving piece I; 32. pushing the sheet; 33. a support rod; 4. a vertical frame; 5. detecting a first sensor; 6. a bottom plate; 7. a translation driving piece III; 8. and a guide rail.
Detailed Description
Example 1
As shown in fig. 1 to 4, the present embodiment provides a positioning mechanism for welding battery terminals, comprising a platen 1, a reference member 2 and an auxiliary positioning member 3, wherein the platen 1 is used for supporting the battery components, and in a preferred embodiment, the platen 1 is arranged in a horizontal direction, so that the battery components can be supported more smoothly. The platen 1 is provided with a plurality of strip-shaped holes 11 extending in the second direction.
The reference assembly 2 is used to cooperate with the auxiliary positioning assembly 3 to position the battery assembly. Referring to fig. 1 and 2, the reference component 2 is attached to a side surface of the platen 1 along a first direction and protrudes at least partially out of the platen 1 to form a positioning reference of the battery component. The first direction is not parallel to the second direction. In one embodiment, the first direction is disposed along the length of the battery assembly and the second direction is disposed along the width of the battery assembly, i.e., perpendicular to each other. In other embodiments, the second direction is in an acute angle or obtuse angle relation with the first direction, and the reference component 2 and the auxiliary positioning component 3 can simultaneously position two opposite sides of the battery component.
The auxiliary positioning assembly 3 can move towards the direction of the reference assembly 2 to position the battery assembly. Referring to fig. 1 and 4, the auxiliary positioning assembly 3 includes a first translational driving member 31 and a pushing plate 32, wherein the upper end of the pushing plate 32 extends out of the bar-shaped hole 11, and the first translational driving member 31 can drive the pushing plate 32 to move in the bar-shaped hole 11 of the platen 1, so that the pushing plate 32 pushes the battery assembly to the reference assembly 2. The width of the strip-shaped hole 11 is matched with the width of the pushing piece 32.
In this embodiment, a strut 33 is mounted at the output end of the first translation driving member 31 along the first direction, the strut 33 is located below the platen 1, a row of push plates 32 are fixed on the strut 33 at intervals, and each push plate 32 corresponds to the bar-shaped hole 11 one by one. The pushing piece 32 is a flexible elastic piece, in the positioning process, the first translation driving piece 31 drives the pushing piece 32 to push the battery assembly, the pushing piece 32 is in flexible contact with the side wall of the battery assembly, the battery assembly cannot be damaged by pressing, the first translation driving piece 31 continues to push the pushing piece 32 to advance for 2-5mm, the pushing piece 32 is enabled to be bent backwards by the reaction force of the battery assembly, the battery assembly is reliably and accurately positioned on the bedplate 1 by the pushing piece 32 in the process, and at the moment, the distance from the contact point of the pushing piece 32 and the battery assembly to the reference assembly 2 is smaller than the width of the battery assembly.
Example 2
The difference between the present embodiment and embodiment 1 is that the present embodiment can further adjust the position of the reference component 2 to provide active positioning for the battery component, so as to ensure the positioning accuracy of the battery piece component, and adapt to battery components with different specifications.
Referring to fig. 2 and 4, the reference assembly 2 includes a second translation driving member 21 and a micro-moving stage 22 mounted on an output end of the second translation driving member 21, wherein the micro-moving stage is a known technology, a fixing base 23 is mounted on the micro-moving stage 22, and a reference rod 24 is fixedly mounted on the fixing base 23. After the battery assembly is placed on the platen 1, the second translation driving member 21 drives the reference rod 24 to move along the second direction until the reference rod 24 is closely attached to the side surface of the battery assembly, so as to form a positioning effect.
The micro-moving table 22 is provided with a handle 25 which can be adjusted and displaced along the second direction, and when the reference bar 24 cannot be closely attached to the battery assembly or the reference bar 24 has too much movement, the position of the reference bar 24 is finely adjusted by manually screwing the handle 25 of the micro-moving table 22 so as to accurately attach to the side wall of the battery assembly.
In one embodiment, the first and second translation drivers 31, 21 are air cylinders, which are in communication with a controller.
Other structures of this embodiment are the same as those of embodiment 2.
The working process of the embodiment is as follows:
the battery assembly is placed on the bedplate 1, the second translation driving part 21 of the reference assembly 2 drives the reference rod 24 to be close to the bedplate 1, and the micro-moving table 22 is finely adjusted until the reference rod 24 is closely attached to the side wall of the bedplate 1. The auxiliary positioning assembly 3 drives a row of pushing pieces 32 on the supporting rod 33 to be close to the bedplate 1, so that the pushing pieces 32 push the battery assembly to one side of the reference assembly 2, the pushing pieces 32 are subjected to reverse pushing force to be bent and deformed backwards until two sides of the battery assembly are simultaneously clung to the reference rod 24 and the pushing pieces 32, the battery assembly is flexibly positioned, the battery assembly cannot be damaged, and at the moment, the distance from the contact point of the pushing pieces 32 and the battery assembly to the reference rod 24 is 2-5mm smaller than the width of the battery assembly.
Example 3
Referring to fig. 1 to 4, the difference between the present embodiment and embodiment 1 is that a stand 4 is provided at one end of the platen 1, and a first detection sensor 5 for detecting the end position of the battery assembly is further fixed on the stand 4, and the first detection sensor 5 is in communication connection with a controller; in one embodiment, the first detection sensor 5 is a trough-shaped photoelectric sensor. After the bedplate 1 is moved towards the first detection sensor 5 according to the set distance, if the end part position of the battery assembly just stretches into the groove of the groove-shaped photoelectric sensor to be detected, the transverse coordinate of the end part of the battery assembly meets the requirement, so that the battery assembly and the welding strip can be accurately welded in the subsequent process; otherwise, the groove-shaped photoelectric sensor sends an electric signal with unqualified position to the controller, and the controller reminds an operator to manually or automatically reposition the battery assembly and then carry out the next procedure.
One end of the bedplate 1, which is close to the groove-shaped photoelectric sensor, is provided with an avoidance groove 12 extending along the first direction, and when the bedplate 1 moves along the first direction, the groove-shaped photoelectric sensor is inserted into the avoidance groove 12, so that interference between the bedplate 1 and the groove-shaped photoelectric sensor is avoided.
Referring to fig. 4, two columns 13 are fixedly mounted at the bottom of the platen 1, wherein one column 13, the first translation driving member 31 and the third translation driving member 7 are mounted on a bottom plate 6, the bottom plate 6 is fixed at the output end of the third translation driving member 7, and the third translation driving member 7 can drive the bottom plate 6 to drive the platen 1 to move along the first direction. At the same time, the column 13 at one end of the bedplate 1 far away from the groove-shaped photoelectric sensor is also fixed on the other bottom plate 6, a sliding block is arranged at the bottom of the bottom plate 6, and the sliding block is matched with the guide rail 8 extending in the first direction to guide the sliding of the bedplate 1. The translation driving piece III 7 is an electric screw rod.
The working process of the embodiment is as follows:
after the battery pack is positioned on the bedplate 1 by the aid of the reference assembly 2 and the auxiliary positioning assembly 3, the bedplate 1 is moved to one side of the groove-shaped photoelectric sensor by a set distance by the aid of the translation driving piece III 7, if the end portion of the battery pack is just inserted into the groove-shaped photoelectric sensor, the transverse position of the battery pack is detected to be accurate, the bedplate 1 is reset by the aid of the translation driving piece III 7 in a retreating mode, the battery pack is sucked by the aid of the sucker group in the next step, the auxiliary positioning assembly 3 is reset in a retreating mode firstly, then the reference assembly 2 is reset in a retreating mode, the battery pack is taken away by the sucker group, and positioning is completed.
The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. The positioning mechanism for welding the battery terminals is characterized by comprising a bedplate, a reference assembly and an auxiliary positioning assembly, wherein the bedplate is used for supporting the battery assemblies; the reference assembly is clung to the side surface of the bedplate along a first direction and at least partially protrudes outwards from the bedplate to form a positioning reference of the battery assembly, and the auxiliary positioning assembly can move towards the direction of the reference assembly to position the battery assembly;
the auxiliary positioning assembly comprises a first translation driving piece and a pushing piece, a strip-shaped hole extending along a second direction is formed in the bedplate, the second direction is not parallel to the first direction, one end of the pushing piece extends out of the strip-shaped hole, the first translation driving piece can drive the pushing piece to move in the strip-shaped hole, the pushing piece pushes the battery assembly to the reference assembly, and the width of the strip-shaped hole is matched with the width of the pushing piece.
2. The positioning mechanism of claim 1, wherein the push tab is a flexible spring, and wherein a distance from a contact point of the push tab with the battery assembly to the datum assembly is less than a width of the battery assembly after the battery assembly is positioned on the platen.
3. The positioning mechanism of claim 1, wherein the auxiliary positioning assembly further comprises a strut mounted to an output end of the first translational drive member in a first direction, the strut having a row of the push tabs fixed thereto at spaced intervals.
4. The positioning mechanism of claim 1, wherein the reference assembly comprises a second translational drive member and a reference rod drivingly connected to the second translational drive member, the second translational drive member being configured to drive the reference rod in a second direction until the reference rod abuts a side of the battery assembly.
5. The positioning mechanism of claim 4, wherein the reference assembly further comprises a micro-motion stage mounted on the output end of the translation driving member, the micro-motion stage having a handle for adjusting the displacement in the second direction, a fixed base mounted on the micro-motion stage, and the reference rod fixedly mounted on the fixed base.
6. The positioning mechanism according to claim 4 or 5, further comprising a stand at an end of said platen, said stand further having a first sensor for detecting an end position of the battery pack, said first sensor being communicatively connected to the controller; after the platen is moved by a set distance in the direction of the first detection sensor, the first detection sensor can detect whether the end position of the battery pack meets the requirement.
7. The positioning mechanism of claim 6, wherein the first detection sensor is a groove-shaped photoelectric sensor, an avoidance groove is formed in the end portion of the platen, and the groove-shaped photoelectric sensor is inserted into the avoidance groove when the platen moves.
8. The positioning mechanism of claim 6 wherein the platen is fixedly supported by a column, the first translational drive, and the second translational drive are each mounted to a base plate at an output of the third translational drive, the third translational drive driving the platen in a first direction.
9. The positioning mechanism of claim 7 wherein an end of the platen remote from the channel-shaped photosensor mounts a rail extending in a first direction, the platen sliding along the rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321668126.7U CN220050665U (en) | 2023-06-28 | 2023-06-28 | Positioning mechanism for welding battery terminals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321668126.7U CN220050665U (en) | 2023-06-28 | 2023-06-28 | Positioning mechanism for welding battery terminals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220050665U true CN220050665U (en) | 2023-11-21 |
Family
ID=88760825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321668126.7U Active CN220050665U (en) | 2023-06-28 | 2023-06-28 | Positioning mechanism for welding battery terminals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220050665U (en) |
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2023
- 2023-06-28 CN CN202321668126.7U patent/CN220050665U/en active Active
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