Automatic pressure welding device for lithium battery cap

Abstract

The utility model discloses an automatic pressure welding device for a lithium battery cap, relates to the technical field of lithium battery processing, and aims to solve the problems that an existing pressure welding device cannot adapt to processing and production of lithium batteries of various models, meanwhile, pre-pressing correction of the cap is lacked, and the processing quality is influenced. The workbench is further rotationally connected with a rotating disc, the rotating disc is driven by a motor, a containing groove used for containing a battery is formed in the rotating disc, and a limiting assembly used for limiting the battery is arranged in the containing groove; the limiting assembly is arranged on the rotating disc, under the action of the spring and the clamping block, the lithium battery is clamped and limited, the machining quality is improved, and meanwhile, the device is additionally arranged to machine the lithium batteries of different specifications and models; a first air cylinder used for pushing the batteries into the containing groove from the battery conveying belt is further arranged on the workbench, and a feeding block is further arranged at the telescopic end of the first air cylinder. And a feeding assembly for covering the battery with the cover cap is arranged on the working table.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery processing, in particular to an automatic pressure welding device for lithium battery caps. Background Art

[0002] The cap processing of lithium batteries is one of the processes in lithium battery production. The existing pressure welding device can weld the cap on the lithium battery through the pressure welding head, but there are many types of lithium batteries. One pressure welding device can only pressure weld one type of lithium battery and cannot adapt to the pressure welding processing of lithium batteries of various specifications and sizes, which brings many inconveniences to the production and processing of lithium batteries. At the same time, during automated processing, after the cap is covered on the battery, there is occasionally a problem of misalignment deviation, and the lack of pre-pressure correction will affect the production quality of the lithium battery.

[0003] Therefore, the present application provides a lithium battery cap automatic pressure welding device to meet the needs. Utility Model Content

[0004] The purpose of this application is to provide an automatic pressure welding device for lithium battery caps, aiming to solve the problem that existing pressure welding devices cannot adapt to the processing and production of various models of lithium batteries, and lack pre-pressure correction of the caps, which affects the processing quality.

[0005] To achieve the above objectives, the present application provides the following technical solutions: an automatic pressure welding device for lithium battery caps, comprising a workbench, a cap conveyor belt, and a battery conveyor belt, wherein the cap conveyor belt and the battery conveyor belt are provided on the workbench, and the cap conveyor belt and the battery conveyor belt convey the caps and the batteries, respectively; a pressure welding head is also mounted on the workbench via a mounting seat, and the pressure welding head moves in a vertical direction under the drive of a fourth cylinder;

[0006] The workbench is also rotatably connected to a turntable driven by a motor. The turntable is provided with a receiving slot for placing batteries, and a limiting component for limiting the position of the batteries is provided in the receiving slot. By arranging the limiting component on the turntable, the lithium battery is clamped and limited under the action of the spring and the clamping block, thereby improving the processing quality and increasing the ability of the device to process lithium batteries of different specifications and models.

[0007] The workbench is also provided with a first cylinder for pushing the battery from the battery conveyor belt into the receiving groove, and the telescopic end of the first cylinder is also provided with a loading block; the workbench is provided with a loading assembly for covering the battery with a cap.

[0008] Preferably, the loading assembly includes a second cylinder and a third cylinder, the second cylinder is installed on the workbench, the telescopic end of the second cylinder is connected to the third cylinder through a connecting rod, the telescopic end of the third cylinder is connected to a negative pressure suction cup, the cap can be sucked up by the negative pressure suction cup, and is covered on the battery under the drive of the second cylinder and the third cylinder.

[0009] Preferably, the limiting assembly includes a clamping block and a spring, the turntable is further provided with a sliding groove communicating with the accommodating groove, the clamping block is slidably connected in the sliding groove, and the spring is further provided between the clamping block and the turntable.

[0010] Preferably, the workbench is also provided with a pre-stressing component for the cap, and the pre-stressing component includes a side plate and a guide plate. The side plate is installed on the workbench and corresponds to the position of the turntable. The guide plate is installed on the side plate. The guide plate is a folding plate. The pre-stressing component is set on the workbench and is set on the side of the turntable. Through the setting of the side plate and the guide plate, when the turntable drives the lithium battery to rotate, the guide plate guides the cap to pre-stress it on the lithium battery, making the installation position of the two more precise, thereby improving the processing quality of the lithium battery.

[0011] Preferably, the guide plate is connected to the side plate by bolts, and a through hole is provided on the side plate for the bolts to pass through. The guide plate is installed with the side plate by bolts, and a rectangular through hole is provided on the side plate to adapt to the processing of lithium batteries of different heights and sizes.

[0012] Preferably, the workbench is also provided with a unloading assembly for the batteries after pressure welding, and the unloading assembly includes a mounting block and a fifth cylinder. The mounting block is arranged on the workbench, and the mounting block is coaxially arranged with the turntable. The mounting block is also provided with the fifth cylinder, and the unloading block is installed on the telescopic end of the fifth cylinder. Through the coordinated use of the first cylinder and the fifth cylinder, the loading and unloading operations of the lithium battery can be realized, and fully automated processing and production can be achieved.

[0013] In summary, the technical effects and advantages of the utility model are:

[0014] In the utility model, a limit assembly is provided on the turntable, and the lithium battery is clamped and limited under the action of the spring and the clamping block, thereby improving the processing quality and increasing the ability of the device to process lithium batteries of different specifications and models; through the coordinated use of the first cylinder and the fifth cylinder, the loading and unloading operations of the lithium battery can be realized, realizing fully automated processing and production.

[0015] In the utility model, a pre-pressing component is provided on the workbench and is provided on the side of the turntable. Through the arrangement of the side plate and the guide plate, when the turntable drives the lithium battery to rotate, the guide plate guides the cap so that it is pre-pressed on the lithium battery, making the installation position of the two more accurate, thereby improving the processing quality of the lithium battery; the guide plate is installed with the side plate by bolts, and a rectangular through hole is opened on the side plate to adapt to the processing of lithium batteries of different heights and sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the pre-pressing component of the present utility model.

[0021] In the figure: 1. Workbench; 2. Cap conveyor belt; 3. Battery conveyor belt; 4. First cylinder; 5. Second cylinder; 6. Connecting rod; 7. Third cylinder; 8. Turntable; 9. Mounting seat; 10. Pressure welding head; 11. Fourth cylinder; 12. Side plate; 13. Loading block; 14. Guide plate; 15. Fifth cylinder; 16. Mounting block; 17. Receiving groove; 18. Clamping block; 19. Spring; 20. Bolt; 21. Through hole; 22. Unloading block; 23. Slide. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example 1: Reference Figure 1-4The automatic pressure welding device for lithium battery caps shown in the figure includes a workbench 1, a cap conveyor belt 2, and a battery conveyor belt 3. The cap conveyor belt 2 and the battery conveyor belt 3 are provided on the workbench 1, and the cap conveyor belt 2 and the battery conveyor belt 3 convey the caps and the batteries, respectively. A pressure welding head 10 is also mounted on the workbench 1 via a mounting seat 9. The pressure welding head 10 moves in the vertical direction under the drive of a fourth cylinder 11.

[0024] The workbench 1 is also rotatably connected to a turntable 8, which is driven by a motor. The turntable 8 is provided with a receiving slot 17 for placing batteries. There are four groups of receiving slots 17, which are arranged in a circular array around the center of the turntable 8. A limiting component for limiting the battery is provided in the receiving slot 17; the limiting component includes a clamping block 18 and a spring 19. The turntable 8 is also provided with a slide groove 23 communicating with the receiving slot 17. There are two groups of slide grooves 23, which are symmetrically arranged on both side walls of the receiving slot 17. The clamping block 18 is slidably connected to the slide groove 23, and the spring 19 is further provided between the clamping block 18 and the turntable 8. An arc groove is provided on the facing surface of the clamping block 18, and a rounded corner is provided on the back side of the turntable 8 to facilitate the clamping and installation of the battery. Under the elastic force of the spring 19, the clamping block 18 clamps the battery.

[0025] The workbench 1 is further provided with a first cylinder 4 for pushing the battery from the battery conveyor belt 3 into the receiving groove 17, and a loading block 13 is further provided on the telescopic end of the first cylinder 4;

[0026] The workbench 1 is provided with a loading assembly for placing a cap on the battery. The loading assembly includes a second cylinder 5 and a third cylinder 7. The second cylinder 5 is mounted on the workbench 1. The telescopic end of the second cylinder 5 is connected to the third cylinder 7 via a connecting rod 6. The second cylinder 5 is arranged horizontally, and the third cylinder 7 is arranged vertically. The telescopic end of the third cylinder 7 is connected to a negative pressure suction cup, which is connected to an external negative pressure device. Under the action of the negative pressure device, negative pressure is formed below the negative pressure suction cup, and the cap can be sucked up by the negative pressure suction cup. Driven by the second cylinder 5 and the third cylinder 7, the cap is placed on the battery.

[0027] The workbench 1 is also provided with a pre-pressing assembly for the cap, which includes a side plate 12 and a guide plate 14. The side plate 12 is an arc-shaped plate that fits the outer wall of the turntable 8 and is installed on the workbench 1 and corresponds to the position of the turntable 8. The guide plate 14 is installed on the side plate 12. The guide plate 14 is a folded plate. Under the guidance of the guide plate 14, the cap is pre-pressed above the battery to improve the pressure welding accuracy. The guide plate 14 is connected to the side plate 12 by bolts 20. The side plate 12 is provided with a through hole 21 for the bolt 20 to pass through. Under the limit of the bolt 20, the height of the guide plate 14 can be adjusted to adapt to the processing of batteries of different specifications and models.

[0028] The workbench 1 is also provided with a unloading assembly for the batteries after pressure welding, and the unloading assembly includes a mounting block 16 and a fifth cylinder 15. The mounting block 16 is arranged on the workbench 1, and the mounting block 16 is coaxially arranged with the turntable 8. The mounting block 16 is also provided with the fifth cylinder 15, and a unloading block 22 is installed on the telescopic end of the fifth cylinder 15.

[0029] The working principle of this utility model is as follows: when the device is in use, the battery conveyor belt 3 conveys the battery. When the battery is conveyed to the turntable 8, it corresponds to the position of a group of receiving slots 17. The first cylinder 4 is controlled to work and extend, driving the loading block 13 to move, pushing the battery to the receiving slot 17, so that the battery squeezes the inclined surface of the clamping block 18, causing the clamping block 18 to slide in the slide groove 23, and the spring 19 is compressed. After the battery is pushed into place, the battery is clamped and limited under the elastic force of the spring 19;

[0030] The cap conveyor belt 2 conveys the cap, controls the third cylinder 7 to work and extend, makes the negative pressure suction cup contact with the cap, and forms negative pressure at the negative pressure suction cup to adsorb the cap, and the third cylinder 7 retracts, takes the cap out from the cap conveyor belt 2, controls the second cylinder 5 to work and extend, drives the cap to move toward the battery, when the cap moves to above the battery, controls the third cylinder 7 to extend, covers the cap on the battery, and controls the negative pressure suction cup to stop working, places the cap on the battery, and the turntable 8 continues to rotate, drives the battery and the cap to move toward the guide plate 14 The cap contacts the guide plate 14 during the movement. Since the guide plate 14 is a folding plate, the cap will be pre-pressed on the battery to realize the pre-pressing processing of the cap. When the battery rotates to the bottom of the welding head 10, the fourth cylinder 11 is controlled to work and extend, driving the welding head 10 to weld the cap and the battery. After the welding is completed, the turntable 8 continues to drive the battery to rotate. When the battery corresponds to the position of the fifth cylinder 15, the fifth cylinder 15 is controlled to work, driving the unloading block 22 to move toward the battery, and the battery is pushed out of the receiving groove 17 to complete the unloading operation.

[0031] The electromechanical connection involved in the present invention is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, which belongs to common knowledge.

[0032] Components not described in detail herein are prior art.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A lithium battery cap automatic pressure welding device, comprising a workbench (1), a cap conveyor belt (2) and a battery conveyor belt (3), wherein the workbench (1) is provided with the cap conveyor belt (2) and the battery conveyor belt (3), and the cap conveyor belt (2) and the battery conveyor belt (3) respectively convey the caps and the batteries; a pressure welding head (10) is further mounted on the workbench (1) via a mounting seat (9), and the pressure welding head (10) moves in a vertical direction under the drive of a fourth cylinder (11); Its characteristics are: The workbench (1) is also rotatably connected to a turntable (8), the turntable (8) being driven by a motor, the turntable (8) being provided with a receiving slot (17) for placing batteries, and the receiving slot (17) being provided with a limiting assembly for limiting the position of the batteries; The workbench (1) is further provided with a first cylinder (4) for pushing the battery from the battery conveyor belt (3) into the receiving groove (17), and a loading block (13) is further provided on the telescopic end of the first cylinder (4); The workbench (1) is provided with a loading assembly for placing a cap on the battery.

2. The automatic pressure welding device for lithium battery caps according to claim 1, characterized in that: The loading assembly includes a second cylinder (5) and a third cylinder (7), wherein the second cylinder (5) is mounted on the workbench (1), and the telescopic end of the second cylinder (5) is connected to the third cylinder (7) via a connecting rod (6), and the telescopic end of the third cylinder (7) is connected to a negative pressure suction cup, which can suck up the cap through the negative pressure suction cup and cover the battery under the drive of the second cylinder (5) and the third cylinder (7).

3. The automatic pressure welding device for lithium battery caps according to claim 1, characterized in that: The limiting assembly includes a clamping block (18) and a spring (19). The turntable (8) is further provided with a sliding groove (23) communicating with the accommodating groove (17). The clamping block (18) is slidably connected in the sliding groove (23). The spring (19) is further provided between the clamping block (18) and the turntable (8).

4. The automatic pressure welding device for lithium battery caps according to claim 1, characterized in that: The workbench (1) is also provided with a pre-pressing assembly for the cap, the pre-pressing assembly comprising a side plate (12) and a guide plate (14), the side plate (12) being mounted on the workbench (1) and corresponding to the position of the turntable (8), the guide plate (14) being mounted on the side plate (12), and the guide plate (14) being a folding plate.

5. The automatic pressure welding device for lithium battery caps according to claim 4, characterized in that: The guide plate (14) is connected to the side plate (12) via bolts (20), and a through hole (21) for the bolt (20) to pass through is provided on the side plate (12).

6. The automatic pressure welding device for lithium battery caps according to claim 1, characterized in that: The workbench (1) is also provided with a discharge assembly for the batteries after pressure welding, and the discharge assembly includes a mounting block (16) and a fifth cylinder (15). The mounting block (16) is provided on the workbench (1), and the mounting block (16) is coaxially arranged with the turntable (8). The mounting block (16) is also provided with the fifth cylinder (15), and a discharge block (22) is installed on the telescopic end of the fifth cylinder (15).

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