A lithium battery chip protection board welding device
By using limiting and auxiliary mechanisms to fix the lithium battery and the protection board, the problem of unstable contact of the lithium battery during welding is solved, thereby improving the stability of welding and the protective effect of the protection board.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU PHAETON SEMICON TECH CO LTD
- Filing Date
- 2025-07-31
- Publication Date
- 2026-06-30
AI Technical Summary
When welding lithium battery protection boards, the welding equipment may come into contact with the surface of the protection board, causing unstable contact of the lithium battery and affecting the welding quality and the protective effect of the protection board.
The lithium battery and the protection board are fixed by a limiting mechanism and an auxiliary mechanism. The limiting mechanism restricts the contact position of the lithium battery, and the auxiliary mechanism clamps the protection board to ensure its stable positioning on the lithium battery.
It improves the stability and accuracy of the welding process, avoids lithium battery contact deviation, and ensures the protection board's safe management and effective use of lithium batteries.
Smart Images

Figure CN224424759U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of protective board welding equipment, and in particular to a lithium battery chip protective board welding device. Background Technology
[0002] Protection board welding equipment refers to tools or equipment used in the production, repair or assembly of lithium battery protection boards to assist in welding work. These auxiliary devices are used to ensure that the welding process is efficient and accurate, and can provide stable connection quality.
[0003] Utility model CN221634031U discloses a chip protection board with a protective structure. The key technical points are as follows: It includes a protection board on which a chip is disposed. Two mounting blocks are fixedly installed on one side of the protection board, and the two mounting blocks are rotatably mounted on the same shaft. A protective plate for shielding and protecting the chip is fixedly installed on the shaft. The protective board has a groove adapted to the chip. Clamping components are provided on both sides of the protective board, and slots for cooperating with the clamping components are provided on both sides. Two guide posts are fixedly installed on the protective board, and guide holes for cooperating with the guide posts are provided. This utility model, by locking the protective board, effectively shields and protects the chip, preventing damage during storage and transportation that could affect chip use and reduce its lifespan.
[0004] Regarding the above-mentioned content, the following technical defects exist: The chip protection board, also known as the battery protection board, is a circuit board used for the safety management and protection of lithium batteries. Its main function is to ensure that the lithium battery remains within a safe operating range during charging and discharging, thereby extending battery life and preventing dangerous situations such as overcharging, over-discharging, and short circuits. Usually, when soldering the protection board, two lithium batteries are placed together, and the protection board is brought into contact with the chips of the two lithium batteries. The protection board can be soldered onto the lithium battery chips using soldering equipment. However, during the process of placing two lithium batteries together and placing the protection board on top of them for soldering, it was found that the soldering equipment touches the surface of the protection board during the soldering process. This affects the stability of the contact between the two lithium batteries, causing deviations in the soldering of the protection board. As a result, after soldering, the protection board cannot protect the safety and management of the lithium battery, affecting the effectiveness of the protection board. Utility Model Content
[0005] The purpose of this invention is to address the shortcomings of existing technologies where, during the welding process of placing two lithium batteries together and placing a protection board on top of them, the welding equipment touches the surface of the protection board, which affects the stability of the contact between the two lithium batteries and causes deviations in the welding of the protection board. Consequently, after welding, the protection board cannot protect the safety and management of the lithium batteries, thus affecting the effectiveness of the protection board.
[0006] To solve the above-mentioned technical problems, this utility model provides a lithium battery chip protection board welding device, comprising: two lithium battery bodies, a common protection board body mounted on one side of the two lithium battery bodies, a limiting mechanism provided on the side of the two lithium battery bodies away from the protection board body, the limiting mechanism including an adjusting frame, the adjusting frame being slidably connected to one side of one of the lithium battery bodies, an adjusting plate fixedly connected to one side of the adjusting frame, the adjusting plate being an elastic plate, a fixing rod fixedly connected to the other side of the adjusting frame, a connecting ring slidably connected to the arc surface of the fixing rod, and a connecting rod fixedly connected to one end of the arc surface of the connecting ring. The frame has its inner wall slidably connected to another lithium battery body. The adjusting plate has several slots on one side near the connecting frame, evenly distributed on the adjusting plate. Three limiting blocks are fixedly connected to one side of the connecting frame, and these three limiting blocks are slidably connected to the inner walls of three of the slots. A support plate is fixedly connected to one end of the adjusting frame. An adjusting block is rotatably connected to the inner wall of the support plate. A connecting block is fixedly connected to one side of the adjusting block. A fixing frame is rotatably connected to the inner wall of the connecting block. A limiting plate is fixedly connected to one side of the fixing frame. Several welding grooves are formed on the side of the limiting plate.
[0007] The aforementioned components achieve the following effect: The chip protection board body, also called the battery protection board body, is a circuit board used for the safety management and protection of lithium batteries. Its main function is to ensure that the lithium battery remains within a safe operating range during charging and discharging, thereby extending battery life and preventing dangerous situations such as overcharging, over-discharging, and short circuits. Typically, when soldering the protection board body, two lithium battery bodies are placed together, and the protection board body is brought into contact with the chips of the two lithium battery bodies. Soldering equipment can then solder the protection board body onto the chips of the lithium battery bodies. However, during the soldering process, it was found that the soldering equipment touches the surface of the protection board body, affecting the stability of the contact between the two lithium batteries. This can lead to deviations in the soldering of the protection board body, resulting in the protection board body failing to provide safety and management protection for the lithium battery bodies after soldering, thus affecting its effectiveness. In this case, a limiting mechanism can be used to fix the contact between the two lithium battery bodies and restrict the position of the protection board body to the two lithium battery bodies. This limiting mechanism improves the stability of the soldering process and prevents deviations between the two lithium battery bodies.
[0008] Preferably, a guide plate is fixedly connected to the side of the adjustment frame near the connecting frame, and the guide plate is slidably connected to the inner wall of the connecting frame.
[0009] The effect achieved by the above components is that the guide plate can improve the stability of the connecting frame during position adjustment.
[0010] Preferably, one end of the adjusting plate is fixedly connected to a contact plate, and the cross-section of the contact plate is arc-shaped.
[0011] The effect achieved by the above components is that when it is necessary to pull and deform the adjustment plate, the adjustment plate can be pulled and deformed through the contact plate, which can improve the speed and efficiency of pulling and deforming the adjustment plate.
[0012] Preferably, a connecting plate is fixedly connected to the side of the support plate away from the lithium battery body.
[0013] The effect achieved by the above components is that when the limiting plate is opened, the connecting plate can support the opened adjusting block, preventing the adjusting block from driving the limiting plate to contact the adjusting frame through the connecting block, thus avoiding collision damage.
[0014] Preferably, an auxiliary mechanism is provided on one side of the limiting plate. The auxiliary mechanism includes a fixing block, which is fixedly connected to the limiting plate. A driving rod is rotatably connected to the inner wall of the fixing block. The two ends of the arc surface of the driving rod are provided with threads in opposite directions. Both ends of the arc surface of the driving rod are threadedly connected to connecting blocks. A moving block is fixedly connected to one side of the connecting block. A clamping plate is fixedly connected to one side of the moving block. A rotating block is fixedly connected to one end of the arc surface of the driving rod.
[0015] The effect achieved by the above components is as follows: when the position of the protection plate body is limited by the limiting mechanism, the angle of the protection plate body can be clamped by the auxiliary mechanism, thereby improving the stability of the protection plate body on the lithium battery body during welding and improving the welding effect.
[0016] Preferably, a plurality of contact blocks are fixedly connected to the side of each of the two clamping plates that are close to each other, and the plurality of contact blocks are evenly distributed on the clamping plates, wherein the contact blocks are rubber blocks.
[0017] The effect achieved by the above components is that the contact block can prevent the clamping plate from directly contacting the protective plate body, thus preventing the clamping plate from damaging the surface of the protective plate body.
[0018] Preferably, the rotating block is triangular in shape.
[0019] The effect achieved by the above components is that the triangular rotating block is more compatible with the worker's hand, thereby increasing the speed at which the rotating block drives the drive rod to rotate.
[0020] Compared with related technologies, the lithium battery chip protection board welding device provided by this utility model has the following beneficial effects:
[0021] By setting a limiting mechanism, when welding the protection plate onto two lithium battery bodies, the contact position of the two lithium batteries can be limited by the limiting mechanism, thereby preventing the lithium batteries from shifting at an angle during the welding process, which would affect the stability and accuracy of the subsequent welding of the protection plate.
[0022] By setting up an auxiliary mechanism, the position of the protection board can be limited by the limiting mechanism, and then the position of the protection board can be clamped by the auxiliary mechanism. This clamping can improve the stability of the protection board on the lithium battery, improve the accuracy of subsequent welding, and prevent the protection board from shaking during the welding process, which would affect the welding accuracy. Attached Figure Description
[0023] Figure 1 A schematic diagram of the structure of a lithium battery chip protection board welding device provided by this utility model;
[0024] Figure 2 for Figure 1 The diagram shows the structure of the limiting mechanism.
[0025] Figure 3 for Figure 1 A partial structural schematic diagram of the limiting mechanism is shown below;
[0026] Figure 4 for Figure 1 A partially enlarged schematic diagram of the limiting mechanism shown;
[0027] Figure 5 for Figure 1 The diagram shows the structure of the auxiliary mechanism.
[0028] Figure 6 for Figure 5 The enlarged view of point A shown;
[0029] Figure 7 for Figure 1 A partially enlarged schematic diagram of the auxiliary mechanism shown.
[0030] The following are the labeling elements in the diagram: 1. Lithium battery body; 2. Limiting mechanism; 201. Connecting frame; 202. Adjusting plate; 203. Slot; 204. Limiting block; 205. Adjusting frame; 206. Fixing rod; 207. Connecting ring; 208. Support plate; 209. Adjusting block; 210. Connecting block; 211. Fixing frame; 212. Limiting plate; 213. Welding groove; 214. Connecting plate; 215. Guide plate; 216. Contact plate; 3. Auxiliary mechanism; 31. Fixing block; 32. Connecting block; 33. Drive rod; 34. Moving block; 35. Rotating block; 36. Contact block; 37. Clamping plate; 4. Protective plate body. Detailed Implementation
[0031] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0032] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.
[0033] Please see Figures 1 to 7 The present invention provides a lithium battery chip protection board welding device, comprising: two lithium battery bodies 1, a common protection board body 4 installed on one side of the two lithium battery bodies 1, a limiting mechanism 2 provided on the side of the two lithium battery bodies 1 away from the protection board body 4, and an auxiliary mechanism 3 provided on one side of the limiting plate 212.
[0034] In the embodiments of this utility model, please refer to Figures 2 to 4The limiting mechanism 2 includes an adjusting frame 205, which is slidably connected to one side of one of the lithium battery bodies 1. An adjusting plate 202, which is an elastic plate, is fixedly connected to one side of the adjusting frame 205. A fixing rod 206 is fixedly connected to the other side of the adjusting frame 205. A connecting ring 207 is slidably connected to the arc surface of the fixing rod 206. A connecting frame 201 is fixedly connected to one end of the arc surface of the connecting ring 207. The inner wall of the connecting frame 201 is slidably connected to another lithium battery body 1. Several slots 203 are opened on the side of the adjusting plate 202 near the connecting frame 201. The slots 203 are evenly distributed on the adjusting plate 202. Three limiting blocks 204 are fixedly connected to one side of the connecting frame 201. 4. The adjustment frame 205 is slidably connected to the inner wall of three of the slots 203. One end of the adjustment frame 205 is fixedly connected to a support plate 208. An adjustment block 209 is rotatably connected to the inner wall of the support plate 208. A connecting block 210 is fixedly connected to one side of the adjustment block 209. A fixing frame 211 is rotatably connected to the inner wall of the connecting block 210. A limit plate 212 is fixedly connected to one side of the fixing frame 211. Several welding grooves 213 are opened on the side of the limit plate 212. The chip protection board body 4, also called the battery protection board body 4, is a circuit board used for the safety management and protection of the lithium battery body 1. Its main function is to ensure that the lithium battery is kept within a safe operating range during charging and discharging, thereby extending the battery life and preventing dangerous situations such as overcharging, over-discharging, and short circuits. Typically, when welding the protection board body 4, two lithium battery bodies 1 are placed together, and the protection board body 4 is brought into contact with the chips of the two lithium battery bodies 1. The protection board body 4 is then welded onto the chips of the lithium battery bodies 1 using welding equipment. However, during the welding process, it was found that the welding equipment touches the surface of the protection board body 4, affecting the stability of the contact between the two lithium batteries. This causes deviations in the welding of the protection board body 4, resulting in the protection board body 4 failing to provide adequate safety and management protection for the lithium battery bodies 1 after welding, thus affecting its performance. In this situation, a limiting mechanism 2 can be used to control the two... The contact effect between the lithium battery bodies 1 is fixed, and the position of the protective plate body 4 is restricted to the two lithium battery bodies 1. This, through the limiting mechanism 2, improves the stability of the welding process and prevents deviation between the two lithium battery bodies 1. A guide plate 215 is fixedly connected to the side of the adjusting frame 205 near the connecting frame 201. The guide plate 215 is slidably connected to the inner wall of the connecting frame 201. When the connecting frame 201 is adjusted, the guide plate 215 improves the stability of the adjustment. A contact plate 216 is fixedly connected to one end of the adjusting plate 202. The contact plate 216 has an arc-shaped cross-section. When it is necessary to pull and deform the adjusting plate 202, the contact plate 216 can be used to pull and deform the adjusting plate 202.The contact plate 216 improves the speed and efficiency of deforming the adjusting plate 202. A connecting plate 214 is fixedly connected to the side of the support plate 208 away from the lithium battery body 1. When the limiting plate 212 is opened, the connecting plate 214 supports the opened adjusting block 209, preventing the adjusting block 209 from contacting the limiting plate 212 with the adjusting frame 205 via the connecting block 210, thus avoiding impact damage.
[0035] In the embodiments of this utility model, please refer to Figures 5 to 7 The auxiliary mechanism 3 includes a fixed block 31, which is fixedly connected to the limiting plate 212. A drive rod 33 is rotatably connected to the inner wall of the fixed block 31. The two ends of the arc surface of the drive rod 33 are threaded with opposite directions. Connecting blocks 32 are threaded to both ends of the arc surface of the drive rod 33. A moving block 34 is fixedly connected to one side of the connecting block 32, and a clamping plate 37 is fixedly connected to one side of the moving block 34. A rotating block 35 is fixedly connected to one end of the arc surface of the drive rod 33. When the position of the protective plate body 4 is limited by the limiting mechanism 2, the angle of the protective plate body 4 can be clamped by the auxiliary mechanism 3, thereby… When welding the protective plate body 4, the stability of the protective plate body 4 on the lithium battery body 1 can be improved, and the welding effect can be improved. Several contact blocks 36 are fixedly connected to the side of the two clamping plates 37 that are close to each other. Several contact blocks 36 are evenly distributed on the clamping plates 37. The contact blocks 36 are rubber blocks. The contact blocks 36 can prevent the clamping plates 37 from directly contacting the protective plate body 4, and prevent the clamping plates 37 from clamping and damaging the surface of the protective plate body 4. The rotating block 35 is triangular. The triangular rotating block 35 is more compatible with the worker's hand, thereby increasing the speed at which the rotating block 35 drives the drive rod 33 to rotate.
[0036] The working principle of the lithium battery chip protection board welding device provided by this utility model is as follows: When it is necessary to improve the stability of the contact between two lithium battery bodies 1, the adjusting plate 202 is pulled. The adjusting plate 202 will deform under force. At this time, the slot 203 on the deformed adjusting plate 202 can be pulled out from the limiting block 204, thus releasing the fixing effect of the adjusting plate 202 on the connecting frame 201. The position of the connecting frame 201 can then be adjusted. The movement of the connecting frame 201 will cause the fixing rod 206 to slide within the connecting ring 207. At this time, the connecting frame 201 is adjusted to fit the size of the two lithium battery bodies 1. The adjusting plate 202 can then be released. The reset of the adjusting plate 202 will cause the slot 203 to re-engage with the surface of the limiting block 204. The angle of the adjusted connecting frame 201 can be fixed, and the two lithium battery bodies 1 can be placed into the connecting frame 201 and the adjusting frame 205 respectively. The protection board body 4 can be placed at the chip position of the two lithium battery bodies 1. At this time, the position of the lithium battery body 1 can be fixed. Pull the limiting plate 212. The movement of the limiting plate 212 will move within the connecting block 210 through the fixing frame 211. The connecting block 210 will drive the adjusting block 209 to rotate within the support plate 208. At this time, the limiting plate 212 can come into contact with the protection board body 4. Adjust the position of the protection board body 4 at one end of the limiting plate 212, align the solder joint of the protection board body 4 with the welding groove 213, and then weld the protection board body 4 to the chip position of the lithium battery body 1 using welding equipment.
[0037] To improve the stability of the protective plate body 4 during the welding process, the drive rod 33 is rotated by the rotating block 35. The drive rod 33 rotates within the fixed block 31, which in turn drives the connecting block 32 to move. The connecting block 32 then drives the moving block 34 to move, which in turn drives the two clamping plates 37 to move closer to each other. The clamping plates 37 can then hold the protective plate body 4, thereby improving the stability of the protective plate body 4 surface during the welding process and preventing the protective plate body 4 from shaking, which would affect the welding effect.
[0038] The circuits and controls involved in this utility model are all existing technologies, and will not be described in detail here.
[0039] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A lithium battery chip protection board welding device, characterized in that, include: Two lithium battery bodies (1) are provided. A protective plate body (4) is installed on one side of each of the two lithium battery bodies (1). A limiting mechanism (2) is provided on the side of each lithium battery body (1) away from the protective plate body (4). The limiting mechanism (2) includes an adjusting frame (205). The adjusting frame (205) is slidably connected to one side of one of the lithium battery bodies (1). An adjusting plate (202) is fixedly connected to one side of the adjusting frame (205). The adjusting plate (202) is an elastic plate. A fixing rod (206) is fixedly connected to the other side of the adjusting frame (205). A connecting ring (207) is slidably connected to the arc surface of the fixing rod (206). A connecting frame (201) is fixedly connected to one end of the arc surface of the connecting ring (207). The inner wall of the connecting frame (201) is slidably connected to the other lithium battery body (1). The section plate (202) has several slots (203) on one side near the connecting frame (201). The slots (203) are evenly distributed on the adjusting plate (202). Three limiting blocks (204) are fixedly connected to one side of the connecting frame (201). The three limiting blocks (204) are slidably connected to the inner walls of the three slots (203). One end of the adjusting frame (205) is fixedly connected to a support plate (208). An adjusting block (209) is rotatably connected to the inner wall of the support plate (208). A connecting block (210) is fixedly connected to one side of the adjusting block (209). A fixing frame (211) is rotatably connected to the inner wall of the connecting block (210). A limiting plate (212) is fixedly connected to one side of the fixing frame (211). Several welding grooves (213) are opened on the side of the limiting plate (212).
2. The lithium battery chip protection board welding device according to claim 1, characterized in that, A guide plate (215) is fixedly connected to the side of the adjustment frame (205) near the connecting frame (201), and the guide plate (215) is slidably connected to the inner wall of the connecting frame (201).
3. The lithium battery chip protection board welding device according to claim 1, characterized in that, One end of the adjusting plate (202) is fixedly connected to a contact plate (216), and the cross section of the contact plate (216) is arc-shaped.
4. The lithium battery chip protection board welding device according to claim 1, characterized in that, A connecting plate (214) is fixedly connected to the side of the support plate (208) away from the lithium battery body (1).
5. The lithium battery chip protection board welding device according to claim 1, characterized in that, An auxiliary mechanism (3) is provided on one side of the limiting plate (212). The auxiliary mechanism (3) includes a fixing block (31). The fixing block (31) is fixedly connected to the limiting plate (212). A driving rod (33) is rotatably connected to the inner wall of the fixing block (31). The two ends of the arc surface of the driving rod (33) are provided with threads in opposite directions. Both ends of the arc surface of the driving rod (33) are threadedly connected to connecting blocks (32). A moving block (34) is fixedly connected to one side of the connecting block (32). A clamping plate (37) is fixedly connected to one side of the moving block (34). A rotating block (35) is fixedly connected to one end of the arc surface of the driving rod (33).
6. The lithium battery chip protection board welding device according to claim 5, characterized in that, Several contact blocks (36) are fixedly connected to the side of the two clamping plates (37) that are close to each other. The contact blocks (36) are evenly distributed on the clamping plates (37) and the contact blocks (36) are rubber blocks.
7. The lithium battery chip protection board welding device according to claim 5, characterized in that, The rotating block (35) is triangular in shape.