Clamping equipment for spot welding of battery

Abstract

The utility model relates to clamping equipment, in particular to clamping equipment for spot welding of a battery. The utility model provides clamping equipment for battery spot welding, which comprises two supports, a bearing frame, an air cylinder I, a moving disc I and a connecting rod, the outer side edges of the two supports are provided with sliding grooves, the middle parts of the two supports are rotatably connected with the bearing frame, the top of the bearing frame is fixedly connected with the air cylinder I, a piston rod of the air cylinder I is connected with the moving disc I, and the moving disc I is connected with the connecting rod. The number of the connecting rods is four, the two connecting rods on the upper portion are arranged between the front side and the rear side of the first movable disc and the front side and the rear side of the first clamping plate, and the two connecting rods on the upper portion are both in sliding fit with the first movable disc. The air cylinder I pushes the moving disc I to move, then the racks I fixedly connected to the two sides of the moving disc I move downwards, the racks I are meshed with one side of the gear I to drive the gear I to move, the other side of the gear I is meshed with the racks II, then the racks II are driven to move upwards, and the clamping effect of the upper portion and the lower portion of the clamping block is achieved.

Description

Technical Field

[0001] The utility model relates to a clamping device, in particular to a clamping device for battery spot welding. Background Technique

[0002] Battery spot welding is a technology that welds electrode plates and battery plates together through an electric current. The electric welding melts the joint surface by generating extremely hot current and voltage at the spot welding point, and then cools to become an integral body. In the production of batteries, spot welding can provide higher current output and stability, thereby improving the efficiency and performance of the batteries.

[0003] Before the battery spot welding process, the batteries need to be placed side by side and then the battery plates are placed on them to ensure the accuracy of spot welding. However, the existing technologies can only fix the batteries to be spot welded by manual holding or by gluing the sides of the batteries. Manual holding has low precision and is time-consuming and laborious, or the gluing method is used, resulting in an increase in the processing cost of battery spot welding.

[0004] Therefore, we need to design a clamping device for battery spot welding. Content of the Utility Model

[0005] In order to overcome the shortcoming of fixing the battery by manual holding during battery spot welding, the utility model provides a clamping device for battery spot welding.

[0006] The technical solution is as follows: A clamping device for battery spot welding includes a bracket, a bearing frame, a cylinder I, a moving disk I, a clamping plate I, a clamping plate II, a connecting rod, a rack I, a gear I, a rack II and a moving disk II. There are two brackets. Sliding grooves are opened on the outer sides of the two brackets. A bearing frame is rotatably connected to the middle parts of the two brackets. A cylinder I is fixedly connected to the top of the bearing frame. A moving disk I is connected to the piston rod of the cylinder I. There are four connecting rods. The upper two connecting rods are arranged between the front and rear sides of the moving disk I and the clamping plate I, and the upper two connecting rods are both slidably matched with the moving disk I. The top of the clamping plate I is connected to the bottoms of the upper two connecting rods. A gear I is rotatably connected to the left and right inner sides of the bearing frame. The left and right sides of the moving disk I are fixedly connected with a rack I in a staggered manner. The left and right racks I are respectively meshed with the gear I. The other side of the gear I is meshed with the rack II. The mutually close sides at the bottoms of the rack II are fixedly connected with a moving disk II. The lower two connecting rods are arranged between the front and rear sides of the moving disk II and the clamping plate II, and the lower two connecting rods are both slidably matched with the moving disk II. The bottom of the clamping plate II is connected to the tops of the lower two connecting rods.

[0007] Preferably, it further includes a cylinder II, a rotary shaft rack III, a gear II and a connecting shaft. A cylinder II is fixedly connected to the right side surface of the bracket. A rotary shaft is fixedly connected to the piston rod of the cylinder II. A rack III is fixedly connected to the top of the rotary shaft. A chute is formed in the right side surface of the bracket, and the rack III can slide in the chute. A connecting shaft is rotatably connected to the right side surface of the bracket. A gear II is fixedly connected to the right side of the connecting shaft, and the gear II meshes with the rack III.

[0008] Preferably, it further includes a clamping block. A clamping block is arranged between the clamping plate I and the clamping plate II. The clamping block is divided into upper and lower parts. The upper clamping block is fixedly connected to the bottom of the clamping plate I, and the lower clamping block is fixedly connected to the top of the clamping plate II.

[0009] Preferably, grooves adapted to the battery are formed on both the upper and lower parts of the clamping block.

[0010] Preferably, the clamping blocks are all made of rubber.

[0011] Preferably, it further includes springs. There are four springs. Two of the springs are arranged on the outer sides of the upper two connecting rods, and the other two springs are arranged on the outer sides of the lower two connecting rods.

[0012] The beneficial effects of the present utility model are as follows: 1. In the present utility model, the movement of the moving disk I is promoted by the cylinder I, and then the racks I fixed on both sides of the moving disk I move downward. One side of the rack I meshes with the gear I, driving the movement of the gear I. Since the other side of the gear I meshes with the rack II, the rack II is driven to move upward, realizing the clamping effect of the upper and lower parts of the clamping block.

[0013] 2. In the present utility model, through the rack III and the gear II arranged on the right side surface of the bracket, when the cylinder II is started, the gear II rotates clockwise by 90°. Since the rack III meshes with the gear II, the carrying frame rotates clockwise by 90° to enable the device to perform horizontal spot welding.

[0014] 3. In the present utility model, springs are arranged on the outer sides of both the upper and lower connecting rods, reducing the acting force on the battery when the cylinder is started and playing a buffering role.

[0015] 4. The clamping blocks of the present utility model are made of rubber, reducing the acting force exerted by the moving disk I and the moving disk II, and can be used to protect the battery clamped by the clamping plate. Description of the Drawings

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model.

[0017] Figure 2 It is a sectional plan view of the present utility model.

[0018] Figure 3This is a three-dimensional structural schematic diagram of components such as the bracket, cylinder I, and moving plate I of the present utility model.

[0019] Figure 4 This is a three-dimensional structural schematic diagram of components such as rack I, gear I, and rack II of the present utility model.

[0020] Reference numerals in the drawings: 1 - bracket, 101 - chute, 2 - bearing frame, 3 - cylinder I, 4 - moving plate I, 5 - clamping plate I, 51 - clamping plate II, 6 - connecting rod, 7 - spring, 8 - clamping block, 9 - rack I, 10 - gear I, 11 - rack II, 12 - moving plate II, 13 - cylinder II, 14 - rotating shaft, 15 - rack III, 16 - gear II, 17 - connecting shaft. Detailed implementation manners

[0021] The present utility model will be further described below in conjunction with the accompanying drawings and specific implementation manners.

[0022] Embodiment: A clamping device for battery spot welding, as Figures 1-4 shown, includes a bracket 1, a bearing frame 2, a cylinder I 3, a moving plate I 4, a clamping plate I 5, a clamping plate II 51, a connecting rod 6, a rack I 9, a gear I 10, a rack II 11, and a moving plate II 12. There are two brackets 1, and chutes 101 are opened on the outer sides of the two brackets 1. The chutes 101 are used to assist the movement of components. A bearing frame 2 is rotatably connected to the middle parts of the two brackets 1. A cylinder I 3 is installed on the top of the bearing frame 2 through bolts. A moving plate I 4 is fixedly connected to the piston rod of the cylinder I 3. There are four connecting rods 6. The upper two connecting rods 6 are arranged between the front and rear sides of the moving plate I 4 and the clamping plate I 5, and the upper two connecting rods 6 are both slidably matched with the moving plate I 4. The top of the clamping plate I 5 is connected to the bottoms of the upper two connecting rods 6 by welding. A gear I 10 is rotatably connected to the left and right inner sides of the bearing frame 2. Racks I 9 are connected to the left and right sides of the moving plate I 4 in a staggered manner by screws. The racks I 9 on the left and right sides are respectively meshed with the gear I 10. The other side of the gear I 10 is meshed with the rack II 11. A moving plate II 12 is connected to the mutually approaching sides at the bottom of the rack II 11 by screws. The lower two connecting rods 6 are arranged between the front and rear sides of the moving plate II 12 and the clamping plate II 51, and the lower two connecting rods 6 are both slidably matched with the moving plate II 12. The bottom of the clamping plate II 51 is connected to the tops of the lower two connecting rods 6 by welding.

[0023] As Figures 1-4 shown, it further includes a clamping block 8. A clamping block 8 is arranged between the clamping plate I 5 and the clamping plate II 51. The clamping block 8 is divided into upper and lower parts. The upper clamping block 8 is adhesively connected to the bottom of the clamping plate I 5, and the lower clamping block 8 is adhesively connected to the top of the clamping plate II 51, which can be used to protect the battery clamped by the clamping plates.

[0024] AsFigures 1-4 As shown, it further includes four springs 7. Two of the springs 7 are arranged on the outer sides of the upper two connecting rods 6, and the other two springs 7 are arranged on the outer sides of the lower two connecting rods 6, which reduces the acting force on the battery when the cylinder starts and plays a buffering role.

[0025] First, place the device on a horizontal ground. After ensuring that the cylinder I 3 at the top of the bearing frame 2 is in a vertical state, start the device. Place the two batteries to be welded in the two grooves on the clamping block 8. Then, the operator starts the cylinder I 3. The piston rod of the cylinder I 3 acts on the top of the moving plate I 4. Since there are connecting rods 6 between the front and rear sides of the upper moving plate I 4 and the clamping plate I 5, and two springs 7 are arranged on the outer sides of the two connecting rods 6, the moving plate I 4 and the clamping plate I 5 move downward. At the same time, the upper clamping block 8 also moves downward. The racks I 9 on both sides of the moving plate I 4 move downward. The racks I 9 are engaged with the gear I 10, and the gear I 10 rotates. Since the gear I 10 is engaged with the gear II 16 on the other side, the rack II 11 and the moving plate II 12 move upward. The upper and lower clamping plates move towards each other, and finally the battery is clamped. Since two springs 7 are respectively arranged at the upper and lower ends of the clamping plate I 5 and the clamping plate II 51, it is used to reduce the acting force on the battery when the cylinder starts and plays a buffering role. At the same time, the clamping plates are made of rubber material, which further protects the clamped battery.

[0026] As Figures 1-4 shown, it further includes a cylinder II 13, a rotating shaft 14, a rack III 15, a gear II 16 and a connecting shaft 17. The right side of the bracket 1 is fixedly connected with the cylinder II 13. The piston rod of the cylinder II 13 is fixedly connected with the rotating shaft 14. The top of the rotating shaft 14 is connected with the rack III 15 by screws. A chute 101 is opened on the right side of the bracket 1. The rack III 15 can slide in the chute 101. The right side of the bracket 1 is rotatably connected with the connecting shaft 17. The right side of the connecting shaft 17 is connected with the gear II 16 by screws. The gear II 16 is engaged with the rack III 15.

[0027] After the battery is firmly clamped, the operator can choose two methods: vertical electric welding or horizontal spot welding. If the operator needs vertical spot welding, only use the manipulator to align the battery slice to be spot welded with the electrode of the battery, and then vertical spot welding can be carried out. If horizontal spot welding is selected, the operator only needs to start the cylinder II 13. The piston rod of the cylinder pushes the rotating shaft 14 downward, and then drives the rack III 15 to move downward in the chute 101. Since the rack III 15 is engaged with the gear II 16, the gear II 16 and the connecting shaft 17 rotate clockwise by 90°. Since the connecting shaft 17 is fixedly connected to both sides of the bearing frame 2, the bearing frame 2 rotates clockwise by 90°. At this time, the device is in a horizontal state. At this time, only use the manipulator to place the battery slice between the electrodes of the two batteries, and then the spot welding process can be carried out.

[0028] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the gist of the present utility model within the scope of knowledge possessed by those skilled in the art.

Claims

1. A clamping device for battery spot welding, characterized in that, It includes a bracket (1), a bearing frame (2), a cylinder I (3), a moving plate I (4), a clamping plate I (5), a clamping plate II (51), a connecting rod (6), a rack I (9), a gear I (10), a rack II (11) and a moving plate II (12). There are two brackets (1). Sliding grooves (101) are formed on the outer sides of the two brackets (1). A bearing frame (2) is rotatably connected to the middle parts of the two brackets (1). A cylinder I (3) is fixedly connected to the top of the bearing frame (2). A moving plate I (4) is connected to the piston rod of the cylinder I (3). There are four connecting rods (6). The upper two connecting rods (6) are arranged between the front and rear sides of the moving plate I (4) and the clamping plate I (5), and the upper two connecting rods (6) are both in sliding fit with the moving plate I (4). The top of the clamping plate I (5) is connected to the bottoms of the upper two connecting rods (6). Gear I (10) is rotatably connected to the left and right inner sides of the bearing frame (2). Racks I (9) are fixedly connected to the left and right sides of the moving plate I (4) in a staggered manner. The left and right racks I (9) are respectively engaged with the gear I (10). The other side of the gear I (10) is engaged with the rack II (11). A moving plate II (12) is fixedly connected to the side where the bottoms of the rack II (11) are close to each other. The lower two connecting rods (6) are arranged between the front and rear sides of the moving plate II (12) and the clamping plate II (51), and the lower two connecting rods (6) are both in sliding fit with the moving plate II (12). The bottom of the clamping plate II (51) is connected to the tops of the lower two connecting rods (6).

2. The clamping device for battery spot welding according to claim 1, wherein It further includes a cylinder II (13), a rotating shaft (14), a rack III (15), a gear II (16) and a connecting shaft (17). A cylinder II (13) is fixedly connected to the right side of the bracket (1). A rotating shaft (14) is fixedly connected to the piston rod of the cylinder II (13). A rack III (15) is fixedly connected to the top of the rotating shaft (14). A sliding groove (101) is formed on the right side of the bracket (1). The rack III (15) can slide in the sliding groove (101). A connecting shaft (17) is rotatably connected to the right side of the bracket (1). A gear II (16) is fixedly connected to the right side of the connecting shaft (17). The gear II (16) is engaged with the rack III (15).

3. The clamping device for battery spot welding according to claim 2, characterized in that, It further includes a clamping block (8). A clamping block (8) is arranged between the clamping plate I (5) and the clamping plate II (51). The clamping block (8) is divided into upper and lower parts. The upper clamping block (8) is fixedly connected to the bottom of the clamping plate I (5), and the lower clamping block (8) is fixedly connected to the top of the clamping plate II (51).

4. The clamping device for battery spot welding according to claim 3, characterized in that, Grooves adapted to the battery are formed on both the upper and lower clamping blocks (8).

5. The clamping device for battery spot welding according to claim 4, wherein The clamping blocks (8) are both made of rubber material.

6. The clamping device for battery spot welding according to claim 5, wherein, It further includes springs (7). There are four springs (7). Two of the springs (7) are arranged on the outer sides of the upper two connecting rods (6) respectively, and the other two springs (7) are arranged on the outer sides of the lower two connecting rods (6) respectively.

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