Soldering tin clamp for battery pack protection plate

By designing a soldering fixture for battery pack protection boards, the problems of difficult positioning of automated welding equipment and low efficiency of manual welding were solved, achieving precise positioning and efficient welding of battery pack protection boards, and improving production efficiency and quality consistency.

CN223465686UActive Publication Date: 2025-10-24SUZHOU MAIJINRUI INTELLIGENT EQUIPMENT CO LTD
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Patent Information

Application Number
CN202422864137.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-10-24
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

In the existing technology, automated welding equipment for battery pack protection boards cannot complete product positioning on its own, and manual welding is labor-intensive, has low production efficiency, and it is difficult to guarantee the consistency of welding quality.

Method used

Design a battery pack protection board soldering fixture, including a fixture base plate, a product positioning block, a product snap-fit ​​assembly, a fixture cover plate, and a spring floating pin assembly. Through precise product positioning and clamping fixation, it is suitable for automated soldering equipment operation.

Benefits of technology

It enables precise positioning and welding of battery pack protection boards, improving production efficiency, reducing labor costs, and ensuring consistent welding quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a battery pack protection plate tin soldering clamp which comprises a clamp bottom plate, product positioning blocks, product buckle assemblies, side baffles, a clamp cover plate and spring floating needle assemblies, product positioning grooves are formed between the adjacent product positioning blocks, the product buckle assemblies are located on one sides of the product positioning grooves, the clamp cover plate movably covers the clamp bottom plate, and the spring floating needle assemblies are located on the side baffles. And the clamp bottom plate is provided with a clearance groove corresponding to the product positioning groove. According to the utility model, accurate product positioning can be carried out on the battery pack protection plate with a complex structure, so that the assembly of the battery pack protection plate with a complex structure and a precise welding requirement and a battery pack is free from the difficulty of manual welding assembly, and the protection plate products with complex structures are sorted to a uniform to-be-welded state with tidy positioning and definite welding spots; and the tin soldering machine is suitable for automatic welding equipment operation and assists the automatic welding equipment in completing tin soldering operation on the tin soldering machine. The production efficiency is remarkably improved, the labor cost is reduced, the welding quality abnormal condition is reduced, and the welding quality consistency is guaranteed.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to battery product welding technical field especially relates to a battery pack protection board soldering fixture. BACKGROUND

[0002] With the development of battery technology and the wide expansion of application field, the integrated circuit board for protecting the rechargeable battery as the key part of the rechargeable battery, with the diversification of the application requirement of different industries to the battery, the design of the battery protection board is more and more complex and precise. In addition to the higher quality requirement of electronic components for the high-precision high-technology battery protection board, the welding technology requirement in the battery production process is also higher and higher.

[0003] The protection board of single cell is generally simple in structure, and the assembly and welding with the cell are also easy to process. But in the field with high application requirement of battery pack, in addition to the connection of the protection board and the battery pack, the corresponding increase of other cable / connectors and electronic components, the assembly and welding requirement of the protection board and the battery pack is also improved, and the assembly procedure is also more complex.

[0004] Whether the protection board and the battery pack are assembled and welded first, and then the other components of the protection board are connected, or the other components of the protection board are assembled and welded first, and then the protection board and the battery pack are assembled and welded, the manual or automatic welding equipment can complete it. But the manual welding has higher labor intensity and lower production efficiency, and it is difficult to meet the mass production demand, the welding quality is easily affected by the difference of manual skill, and the consistency of welding quality is difficult to guarantee. While the automatic welding equipment can guarantee the consistency of welding quality, it also improves the production efficiency and reduces the labor cost. But the automatic welding equipment cannot complete the product positioning by itself, and cannot flexibly cope with the different states of components in the product assembly process.

[0005] Therefore, the prior art has defects and needs to be improved. UTILITY MODEL CONTENT

[0006] The utility model aims at overcoming the defects of prior art, and provides a battery pack protection board soldering fixture.

[0007] The utility model discloses a technical scheme as follows: provide a kind of battery pack protection board soldering jig, comprising: jig base plate, the product positioning block of being provided in the one side of the jig base plate, product buckle assembly being provided between adjacent product positioning block, side baffle being provided in the other side of the jig base plate, clamp cover plate being hinged on the side baffle and a plurality of spring float needle components being provided on the clamp cover plate, product positioning groove is formed between adjacent the product positioning block, the product buckle assembly is located in the side of product positioning groove, the clamp cover plate is movably covered on the top of jig base plate, when the clamp cover plate is covered, spring float needle component is correspondingly located on the top of product positioning groove, the jig base plate is provided with empty slot corresponding product positioning groove.

[0008] Further, the product buckle assembly includes: a product buckle base provided on the jig base plate, a rotating shaft support provided on both sides of the product buckle base, a rotating shaft passing through both sides of the rotating shaft support, a product buckle strip sleeved on the rotating shaft, and a push piece provided at the end of the product buckle strip. A torsional spring is sleeved on the rotating shaft, and the torsional spring is arranged on both sides of the product buckle strip. One end of the torsional spring is connected with the product buckle strip, and the other end is connected with the rotating shaft support.

[0009] Further, the spring float needle component includes: a float needle mounting plate provided on the clamp cover plate, a plurality of spring float needles provided on the float needle mounting plate, and an insulating pad provided at the end of the spring float needle. Two spring float needles form a group and are correspondingly arranged above the product positioning groove. The center of the gap between the spring float needles in the same group is collinear with the center line of the product positioning groove.

[0010] Further, the clamp cover plate is provided with a cover plate buckle assembly, and the jig base plate is provided with a cover plate buckle hook corresponding to the cover plate buckle assembly. The cover plate buckle hook is movably embedded in the cover plate buckle assembly.

[0011] Further, the cover plate buckle assembly includes: a buckle sleeve provided on the clamp cover plate, a front baffle provided at the front end of the buckle sleeve, a rear baffle provided at the rear end of the buckle sleeve, a buckle block movably arranged inside the buckle sleeve, a buckle pressing block connected with the buckle block, and a plurality of spring groups arranged between the buckle block and the rear baffle. The front end of the buckle block is provided with a tongue. The tongue and the buckle pressing block pass out from the front baffle. A first inclined surface is provided below the front end of the tongue. A second inclined surface is correspondingly provided on the top of the cover plate buckle hook. A buckle groove is provided on the cover plate buckle hook corresponding to the tongue. The tongue is movably embedded between the buckle grooves. Pushing the buckle pressing block makes the buckle block move to the inside of the buckle sleeve and compress the spring, so that the tongue is separated from the buckle groove.

[0012] Further, the clamp base plate is provided with a plurality of accessory accommodating grooves beside the product positioning grooves, and the accessory accommodating grooves extend to the direction of the side baffle along the gap between adjacent product positioning blocks.

[0013] Further, a plurality of cover plate supporting columns are arranged on one side of the side baffle, and the top of each cover plate supporting column is provided with a hinge, one end of the hinge is fixed to the cover plate supporting column, and the other end is fixed to the clamp cover plate.

[0014] Further, a plurality of cover plate guide columns are arranged on the clamp base plate, the cover plate guide columns extend upward, the clamp cover plate is provided with a guide hole at the position corresponding to the cover plate guide column, and the cover plate guide column is movably embedded in the guide hole.

[0015] Further, a plurality of positioning holes are arranged on the clamp base plate.

[0016] With the above scheme, the battery pack protection plate is placed in the product positioning groove between the product positioning blocks in a manner that the to-be-welded point faces downward, the clamp base plate in the product positioning groove provides support for the battery pack protection plate, and the to-be-welded point is located in the air avoidance groove. After the battery pack protection plate is placed in the product positioning groove, the product buckle assembly is used to press and fix the battery pack protection plate, then the clamp cover plate is closed, and the spring floating needle assembly is used to press the battery pack downward, so as to realize the clamping and fixing of the battery pack. The utility model can accurately position the complex battery pack protection plate, make the complex battery pack protection plate and the battery pack assembled away from the difficulty of manual welding assembly, arrange the complex protection plate product to be positioned in a neat and clear to-be-welded state, make it suitable for automatic welding equipment operation, and assist the automatic welding equipment to complete the soldering operation. The production efficiency is significantly improved, the labor cost is reduced, the welding quality abnormality is reduced, and the welding quality consistency is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model.

[0018] Figure 2 It is a structural schematic view of the clamp cover plate.

[0019] Figure 3 It is a structural schematic view of the product buckle assembly.

[0020] Figure 4 It is a structural schematic view of the cover plate buckle assembly. DETAILED DESCRIPTION

[0021] The utility model will be described in detail in combination with the drawings and specific embodiments.

[0022] Please refer to Figure 1、 Figure 2 The utility model provides a kind of battery pack protection plate soldering clamp, comprising: clamp base plate 1, the product positioning block 2 of a plurality of being arranged in the one side of the clamp base plate 1, product buckle assembly 3 being arranged between adjacent product positioning block 2, side baffle 4 being arranged in the other side of the clamp base plate 1, clamp cover plate 5 being hinged on the side baffle 4, and a plurality of spring float needle assemblies 6 being arranged on the clamp cover plate 5, product positioning groove 21 is formed between adjacent the product positioning block 2, the product buckle assembly 3 is located in the side of product positioning groove 21, the clamp cover plate 5 is movably covered above clamp base plate 1, when the clamp cover plate 5 is covered, spring float needle assembly 6 is correspondingly located above product positioning groove 21, the clamp base plate 1 is provided with empty slot 11 corresponding product positioning groove 21.

[0023] When working, battery pack protection plate is placed in product positioning groove 21 between product positioning block 2 with welding point downwards, clamp base plate 1 in product positioning groove 21 provides support to battery pack protection plate, and makes welding point be located in empty slot 11. After battery pack protection plate is placed in product positioning groove 21, product buckle assembly 3 is used to press and fix battery pack protection plate, then clamp cover plate 5 is covered, and battery pack is pressed down by spring float needle assembly 6, to realize the clamping and fixing of battery pack. The soldering clamp of positioned battery pack and welding protection plate is turned upside down, so that the bottom surface of clamp base plate 1 faces upwards, i.e. the side of empty slot 11 exposing welding point faces upwards, then the soldering clamp is put on the conveying line of automatic soldering equipment to enter the soldering link, to complete the soldering work of battery pack protection plate in clamp.

[0024] In some embodiments, referring to Figure 3 , the product buckle assembly 3 comprises: product buckle base 31 arranged on the clamp base plate 1, rotation shaft support 32 arranged on both sides of the product buckle base 31, rotation shaft 33 penetrating through both sides of rotation shaft support 32, product buckle strip 34 sleeved on the rotation shaft 33, and push piece 35 arranged at the end of the product buckle strip 34, torsional spring 36 is sleeved on the rotation shaft 33, the torsional spring 36 is arranged on both sides of the product buckle strip 34 respectively, one end foot of the torsional spring 36 is connected with the product buckle strip 34, and the other end foot is connected with the rotation shaft support 32. When clamping and fixing battery pack protection plate, first push piece 35 is pushed backwards, so that the lower end of product buckle strip 34 rotates inward, and the whole product positioning groove 21 is exposed. Then battery pack protection plate is placed in product positioning groove 21 with welding point downwards, and push piece 35 is loosened, the lower end of product buckle strip 34 is pressed on battery pack by the elastic force of torsional spring 36, to press and fix battery pack.

[0025] In some embodiments, the spring floating needle assembly 6 comprises a floating needle mounting plate 61 arranged on the clamp cover plate 5, a plurality of spring floating needles 62 arranged on the floating needle mounting plate 61, and an insulating pad 63 arranged at the end of the spring floating needle 62. The spring floating needles 62 are arranged in pairs above the product positioning groove 21, and the center line of the gap between the spring floating needles 62 in the same pair is collinear with the center line of the product positioning groove 21. When the clamp cover plate 5 is closed, the insulating pad 63 at the end of the spring floating needle 62 presses the battery pack downward. Since the spring floating needle 62 is a metal part, it has the risk of causing short circuit of the product. Therefore, the insulating pad 63 is arranged at the end of the spring floating needle 62, and the insulating pad 63 directly contacts the battery pack to avoid short circuit and damage to the product.

[0026] In some embodiments, referring to Figure 4 , the clamp cover plate 5 is provided with a cover plate buckle assembly 7, and the clamp bottom plate 1 is provided with a cover plate buckle hook 12 corresponding to the cover plate buckle assembly 7. The cover plate buckle hook 12 is movably embedded in the cover plate buckle assembly 7. The cover plate buckle assembly 7 and the cover plate buckle hook 12 are embedded in each other to fix the clamp cover plate 5 and ensure the positioning effect of the battery pack.

[0027] In some embodiments, the cover plate buckle assembly 7 comprises a buckle sleeve 71 arranged on the clamp cover plate 5, a front baffle 72 arranged at the front end of the buckle sleeve 71, a rear baffle 73 arranged at the rear end of the buckle sleeve 71, a buckle block 74 movably arranged in the buckle sleeve 71, a buckle pressing block 75 connected with the buckle block 74, a plurality of springs 76 arranged between the buckle block 74 and the rear baffle 73, a tongue 741 arranged at the front end of the buckle block 74, the tongue 741 and the buckle pressing block 75 protruding from the front baffle 72, a first inclined surface arranged below the front end of the tongue 741, a second inclined surface arranged at the top of the cover plate buckle hook 12, a buckle groove arranged on the cover plate buckle hook 12 corresponding to the tongue 741, and the tongue 741 movably embedded in the buckle groove. Pushing the buckle pressing block 75 makes the buckle block 74 move to the inside of the buckle sleeve 71 and compress the spring 76, so that the tongue 741 is separated from the buckle groove.

[0028] During the process of covering the clamp cover plate 5, the first inclined surface at the front end of the buckle tongue 741 of the buckle block 74 contacts the second inclined surface of the cover plate buckle hook 12, and the buckle block 74 is moved to the inside of the buckle sleeve 71 through the pushing of the inclined surface and compresses the spring 76. When the buckle tongue 741 passes through the second inclined surface of the cover plate buckle hook 12, the buckle tongue 741 is pushed into the buckle groove under the elastic force of the spring 76, so as to realize the locking and fixing between the cover plate buckle assembly 7 and the cover plate buckle hook 12. When the locking state of the clamp cover plate 5 needs to be contacted, the buckle pressing block 75 is pressed to move the buckle block 74 to the inside of the buckle sleeve 71 and compress the spring 76, so that the buckle tongue 741 is separated from the buckle groove, and then the clamp cover plate 5 is lifted to facilitate the taking out of the completed soldering battery pack.

[0029] In some embodiments, the clamp bottom plate 1 is provided with a accessory accommodating groove 14 beside the product positioning groove 21, which extends to the direction of the side baffle 4 along the gap between adjacent product positioning blocks 2. When the battery pack is loaded, if the protection plate has other parts cables assembled in advance, the cables can be accommodated in the accessory accommodating groove 14 to avoid affecting the soldering work of the protection plate.

[0030] In some embodiments, a plurality of cover plate support columns 4113 are arranged on one side of the side baffle 4, the top of the cover plate support column 4113 is provided with a hinge 42, one end of the hinge 42 is fixed on the cover plate support column 4113, and the other end is fixed on the clamp cover plate 5. By arranging the cover plate support column 4113, sufficient space is provided for the installation of the hinge 42, and at the position where the hinge 42 is not installed, a relatively light and thin side baffle 4 can be used to reduce the weight of the overall structure.

[0031] In some embodiments, a plurality of cover plate guide columns 13 are arranged on the clamp bottom plate 1, the cover plate guide column 13 extends upward, the clamp cover plate 5 is provided with a guide hole 51 corresponding to the position of the cover plate guide column 13, and the cover plate guide column 13 is movably embedded in the guide hole 51. During the process of covering the clamp cover plate 5, the cover plate guide column 13 is embedded in the guide hole 51 to provide a guiding effect for the covering of the clamp cover plate 5.

[0032] In some embodiments, a plurality of positioning holes 15 are arranged on the clamp bottom plate 1. When the soldering clamp is arranged on the soldering equipment, the positioning holes 15 can be used to provide positioning for the clamp bottom plate 1, thereby improving the soldering precision and ensuring the normal operation of the soldering work.

[0033] In summary, the utility model discloses a battery pack protection board is put into the product positioning groove between product positioning block with the mode of waiting for the welding spot to down, provides the support to battery pack protection board by the fixture bottom plate in the product positioning groove to make waiting for the welding spot be located in the air slot.When battery pack protection board is placed in the product positioning groove, through the product buckle assembly to the battery pack protection board is fixed, then the fixture cover plate is covered, and the battery pack is pressed down tightly through the spring float needle assembly, realizes the clamping of battery pack.The utility model can be accurate product positioning to the complex structure battery pack protection board, makes the assembly of the complex structure battery pack protection board and battery pack separate from the plight of manual welding assembly, and the complex structure protection board product is combed to the positioning neat, and the unified waiting for the welding state of the clear welding spot makes it suitable for the operation of automatic welding equipment, and the automatic welding equipment is assisted to complete the soldering operation.It significantly improves production efficiency, reduces labor cost, reduces welding quality abnormal condition and guarantees welding quality consistency.

[0034] The above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, and any modification, equivalent replacement and improvement etc. in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A battery pack protection board soldering jig characterized by, The utility model provides a kind of product positioning device, including: clamp base plate, a plurality of product positioning blocks are arranged in one side of the clamp base plate, product buckle assembly is arranged between adjacent product positioning blocks, side baffle is arranged in the other side of the clamp base plate, clamp cover plate is hinged on the side baffle, and a plurality of spring float needle assemblies are arranged on the clamp cover plate, product positioning groove is formed between adjacent product positioning blocks, the product buckle assembly is located in one side of product positioning groove, the clamp cover plate is movably covered on the clamp base plate, when the clamp cover plate is covered, spring float needle assembly is correspondingly located in product positioning groove, the clamp base plate is provided with empty slot corresponding product positioning groove. The product buckle assembly includes:

2. The battery pack protection board soldering jig according to claim 1, characterized by Product buckle base is arranged on the clamp base plate, rotation shaft support is arranged on both sides of the product buckle base, rotation shaft passes through both sides of rotation shaft support, product buckle strip is sleeved on the rotation shaft, and push piece is arranged at the end of the product buckle strip, torsional spring is sleeved on the rotation shaft, and the torsional spring is arranged on both sides of product buckle strip respectively, one end of the torsional spring is connected with product buckle strip, and the other end is connected with rotation shaft support. The spring float needle assembly includes: float needle mounting plate is arranged on the clamp cover plate, a plurality of spring float needles are arranged on the float needle mounting plate, and insulating pad is arranged at the end of the spring float needle, the spring float needle is correspondingly arranged above product positioning groove in two groups, and the center line of the gap between the spring float needles in the same group is collinear with the center line of product positioning groove.

3. The battery pack protection board soldering jig of claim 1, wherein, The clamp cover plate is provided with a cover plate buckle assembly, and the clamp base plate is provided with a cover plate buckle hook corresponding to the cover plate buckle assembly, and the cover plate buckle hook is movably embedded in the cover plate buckle assembly.

4. The battery pack protection board soldering jig of claim 1, wherein, The cover plate buckle assembly includes: buckle sleeve is arranged on the clamp cover plate, front baffle is arranged at the front end of the buckle sleeve, rear baffle is arranged at the rear end of the buckle sleeve, buckle block is movably arranged in the buckle sleeve, buckle pressing block is connected with the buckle block, and a plurality of springs are arranged between the buckle block and the rear baffle, the front end of the buckle block is provided with a tongue, the tongue and the buckle pressing block are arranged from the front baffle, the front end of the tongue is provided with a first inclined surface, the top of the cover plate buckle hook is correspondingly provided with a second inclined surface, the cover plate buckle hook is correspondingly provided with a buckle groove, the tongue is movably embedded in the buckle groove, and the buckle pressing block is pushed to make the buckle block move to the inside of the buckle sleeve and compress the spring to make the tongue separate from the buckle groove.

5. The battery pack protection board soldering jig of claim 4, wherein, The clamp base plate is provided with a accessory containing groove corresponding to the side of the product positioning groove, and the accessory containing groove extends to the direction of the side baffle along the gap between adjacent product positioning blocks.

6. The battery pack protection board soldering jig of claim 1, wherein, A plurality of cover plate support columns are arranged on one side of the side baffle, the top of the cover plate support column is provided with a hinge, one end of the hinge is fixed on the cover plate support column, and the other end is fixed on the clamp cover plate.

7. The battery pack protection board soldering jig of claim 1, wherein, A plurality of cover plate guide columns are arranged on the clamp base plate, the cover plate guide column extends upward, the clamp cover plate is provided with a guide hole corresponding to the position of the cover plate guide column, and the cover plate guide column is movably embedded in the guide hole.

8. The battery pack protection board soldering jig of claim 1, wherein, A plurality of positioning holes are arranged on the clamp base plate.

9. The battery pack protection board soldering jig of claim 1, wherein, ​