Blade battery top cover welding and pressing device

Abstract

The utility model discloses a blade battery top cover welding and pressing device, and relates to the technical field of laser welding equipment. The tool comprises a left welding pressing device and a right welding pressing device which are opposite in position and used for pressing the two ends of a blade battery and a top cover. The left welding pressing device and the right welding pressing device respectively comprise a supporting seat, an air slip ring, a direct driving motor, a pressing supporting plate, a battery upper pressing mechanism, a battery side pressing mechanism and a battery top cover pressing mechanism, the air slip ring and the direct driving motor are respectively arranged on the supporting seat, and the direct driving motor is provided with a rotatable motor connecting block; the air slip ring is connected with the middle part of the motor connecting block, the pressing support plate is connected with the side part of the motor connecting block, and the battery upper pressing mechanism, the battery side pressing mechanism and the battery top cover pressing mechanism are respectively arranged on the pressing support plate. According to the utility model, the blade battery can be simultaneously positioned and fixed from the front, back, left and right and the top cover end; and in the rotating process, the problem of air pipe winding of the air cylinder is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of laser welding equipment, in particular to a blade battery top cover welding and pressing device. Background Art

[0002] The blade battery is a lithium-ion battery with external specifications that are long, narrow, and thin like a blade. There are top covers at both ends of the blade battery. Currently, the two ends of the blade battery and the top covers are mainly connected by laser welding.

[0003] Refer to Chinese patent document CN113523561B, which discloses a three-in-one laser welding device for blade batteries. The laser welding device includes a workbench with a three-axis slide mounted on top, a laser welding galvanometer mounted on the slide, and a first, second, and third station located on the workbench surface to assist the laser welding galvanometer in welding the blade batteries. The patent provides multiple stations for assisting blade battery welding. At any station, the blade battery can be positioned to a specific position and fully exposed for welding, and then laser welding is performed using the laser welding galvanometer. However, the laser welding equipment disclosed in the patent CN113523561B also has the following technical problems: the first station, the second station and the third station of the laser welding equipment can only press the upper side, the lower side and the end cover of the blade battery at both ends, but cannot press the upper side, the lower side, the front side, the rear side and the top cover of the blade battery at both ends at the same time. During the welding process, the blade battery and the end cover cannot be positioned and fixed from the front, rear, left, right and top cover ends at the same time, making it difficult to ensure the welding precision of the blade battery; the first station, the second station and the third station of the laser welding equipment are not equipped with air slip ring assemblies, and the cylinder is prone to air pipe entanglement during the rotation process. Utility Model Content

[0004] The technical problem to be solved by the present invention is to provide a blade battery top cover welding clamping device based on the above-mentioned deficiencies in the prior art. The left welding clamping device and the right welding clamping device of the clamping device can simultaneously position and fix the blade battery from the front, rear, left, right and top cover end, so that the welding precision of the blade battery can be guaranteed; the left welding clamping device and the right welding clamping device of the clamping device are respectively provided with an air slip ring assembly, and during the rotation process, the cylinder will not have the problem of air pipe entanglement.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a blade battery top cover welding and clamping device, comprising a left welding and clamping device and a right welding and clamping device positioned relatively to each other, the left welding and clamping device being used to clamp the left end of the blade battery and the top cover, and the right welding and clamping device being used to clamp the right end of the blade battery and the top cover; the left welding and clamping device and the right welding and clamping device respectively comprise a support seat, an air slip ring, a direct drive motor, a clamping support plate, a battery upper pressing mechanism, a battery side pressing mechanism and a battery top cover clamping mechanism, the air slip ring and the direct drive motor are respectively mounted on the support seat, the direct drive motor is provided with a rotatable motor connecting block, the air slip ring is connected to the middle part of the motor connecting block, and the clamping support plate is connected to the side part of the motor connecting block, the battery upper pressing mechanism, the battery side pressing mechanism and the battery top cover clamping mechanism are respectively mounted on the clamping support plate, the battery upper pressing mechanism is used to clamp the upper side of the blade battery, the battery side pressing mechanism is used to clamp the front and rear sides of the blade battery, and the battery top cover clamping mechanism is used to clamp the top cover at the end of the blade battery.

[0006] In the above technical solution, the support base of the left welding clamping device and the right welding clamping device includes a support pad, a support vertical plate and a reinforcement support plate, the support vertical plate and the reinforcement support plate are vertically installed on the support pad, and the support vertical plate and the reinforcement support plate are connected to each other; one side of the upper end of the support vertical plate is fixedly connected to an air slip ring support column, and one end of the air slip ring support column is installed with an air slip ring clamping block; the air slip ring includes an air slip ring body, the air slip ring body is installed on the air slip ring clamping block, and the air slip ring body is provided with a rotatable air slip ring shaft; the upper end of the support vertical plate is provided with a vertical plate through hole, the air slip ring shaft moves through the vertical plate through hole, and is connected to the motor connection block of the direct drive motor.

[0007] In the above technical solution, the battery pressing mechanism of the left welding clamping device and the right welding clamping device includes a pressing cylinder mounting plate, a pressing cylinder, a pressing cylinder driving plate, a pressing block connecting plate and a pressing block. The pressing cylinder mounting plate is vertically mounted on one side of the pressing support plate. The pressing cylinder is mounted on the pressing cylinder mounting plate. The power output end of the pressing cylinder is connected to the pressing cylinder driving plate. The pressing cylinder is used to drive the pressing cylinder driving plate to rise or fall. The pressing block connecting plate is horizontally mounted on the lower end of the pressing cylinder driving plate. The pressing block is mounted on the end of the pressing block connecting plate close to the direct drive motor. The pressing support plate is provided with a support plate pressing block, and the upper pressing block and the support plate pressing block are positioned opposite each other. The battery pressing mechanism also includes two reinforcing ribs, which are respectively connected to the upper pressing cylinder drive plate and the upper pressing block connecting plate; the upper pressing block is an upper pressing copper block, which is detachably connected to the upper pressing block connecting plate by screws; the support plate pressing block is a support plate copper pressing block, which is detachably connected to the clamping support plate by screws.

[0008] In the above technical solution, the battery side pressure mechanism of the left welding clamping device and the right welding clamping device includes a static side pressure block connecting plate, a static side pressure block, a side pressure cylinder, a dynamic side pressure block connecting plate and a dynamic side pressure block, wherein the static side pressure block connecting plate is installed on one end of the clamping support plate, the static side pressure block is installed on the end of the static side pressure block connecting plate close to the direct drive motor, the side pressure cylinder is installed on the lower side of the clamping support plate, the power output end of the side pressure cylinder is connected to the dynamic side pressure block connecting plate, the dynamic side pressure block is installed on the end of the dynamic side pressure block connecting plate close to the direct drive motor, the static side pressure block connecting plate is opposite to the dynamic side pressure block connecting plate, and the static side pressure block is opposite to the dynamic side pressure block. The static side pressure block is a static side pressure copper block, which is detachably connected to the static side pressure block connecting plate by screws, and the dynamic side pressure block is a dynamic side pressure copper block, which is detachably connected to the dynamic side pressure block connecting plate by screws.

[0009] In the above technical solution, the battery top cover clamping mechanism of the left and right welding clamping devices includes a top cover clamping cylinder, a top cover clamping block connecting plate, and a top cover clamping block. The top cover clamping cylinder is installed on the underside of the clamping support plate, and the power output end of the top cover clamping cylinder is connected to the top cover clamping block connecting plate. The top cover clamping block is installed on the upper end of the top cover clamping block connecting plate. The top cover clamping block is a top cover clamping copper block, which is detachably connected to the top cover clamping block connecting plate by screws.

[0010] The beneficial effects of the present invention are as follows: the left welding clamping device and the right welding clamping device of the present invention are respectively provided with a battery upper pressing mechanism, a battery side pressing mechanism and a battery top cover clamping mechanism, which are respectively installed on the clamping support plate, wherein the battery upper pressing mechanism can press the upper side of the blade battery, the battery side pressing mechanism can press the front and rear sides of the blade battery, and the battery top cover clamping mechanism can press the top cover at the end of the blade battery, so that the blade battery can be positioned and fixed from the front, rear, left, right and top cover end at the same time, so that the welding precision of the blade battery can be guaranteed; the left welding clamping device and the right welding clamping device of the present invention are respectively provided with an air slip ring assembly, and during the rotation process, the cylinders of the left welding clamping device and the right welding clamping device will not have the problem of air pipe entanglement. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is the structural diagram of the blade battery.

[0012] Figure 2 This is a structural diagram of the laser welding equipment equipped with a blade battery top cover welding and clamping device.

[0013] Figure 3 This is a three-dimensional structural diagram of the blade battery top cover welding and clamping device.

[0014] Figure 4 This is one of the three-dimensional structural diagrams of the left welding clamping device.

[0015] Figure 5 This is the second three-dimensional structural diagram of the left welding clamping device.

[0016] Figure 6 This is the distributed structure diagram of the left welding clamping device. DETAILED DESCRIPTION

[0017] The structural principle and working principle of the present invention are further described in detail below with reference to the accompanying drawings.

[0018] In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "back", "left", "right", etc. are based on the directions or positional relationships shown in the accompanying drawings.

[0019] like Figure 1 As shown in the figure, it is a structural diagram of the blade battery 1. The blade battery 1 is a lithium-ion battery with a long, narrow and thin outer shape like a blade. The two ends of the blade battery 1 have a top cover 2, and the blade battery 1 and the top cover 2 are connected by laser welding. Figure 2 As shown in the figure, it is a structural diagram of a laser welding device equipped with a blade battery top cover welding and clamping device. The laser welding device includes a workbench 5 and a centering feeding device 6, a left welding and clamping device 7, a right welding and clamping device 8, a left laser welding device 9 and a right laser welding device 10 installed on the workbench 5. Among them, the centering feeding device 6 is used to align the blade battery 1 at the center of the machine and feed it accurately. The centering feeding device 6 includes a centering component 61, a supporting clamping component 62 and a feeding component 63; the centering component 61 is used to align the blade The position of the battery is aligned, and the support and clamping assembly 62 is installed on the feeding assembly 63 to support and clamp the middle part of the blade battery. The feeding assembly 63 is used to move the support and clamping assembly 62 and transfer the left and right ends of the blade battery 1 on the support and clamping assembly 62 to the left welding and clamping device 7 and the right welding and clamping device 8. The left laser welding device 9 is used for laser full welding of the top cover 2 at the left end of the blade battery 1, and the right laser welding device 10 is used for laser full welding of the top cover 2 at the right end of the blade battery 1.

[0020] like Figure 3-Figure 6As shown, the blade battery top cover welding and clamping device of the present invention includes a left welding and clamping device 7 and a right welding and clamping device 8 which are positioned relatively to each other. The left welding and clamping device 7 is used to clamp the left end of the blade battery 1 and the top cover 2, and the right welding and clamping device 8 is used to clamp the right end of the blade battery 1 and the top cover 2; the left welding and clamping device 7 and the right welding and clamping device 8 respectively include a support seat 71, an air slip ring 72, a direct drive motor 73, a clamping support plate 74, a battery upper pressing mechanism 75, a battery side pressing mechanism 76 and a battery top cover clamping mechanism 77, and the air slip ring 72 and the direct drive motor 73 are respectively installed on the support seat 71 The direct drive motor 73, also known as the DD motor, is provided with a rotatable motor connection block 731. The air slip ring 72 is connected to the middle of the motor connection block 731. The clamping support plate 74 is connected to the side of the motor connection block 731. The battery upper pressing mechanism 75, the battery side pressing mechanism 76, and the battery top cover clamping mechanism 77 are respectively mounted on the clamping support plate 74. The battery upper pressing mechanism 75 is used to press the upper side of the blade battery 1, the battery side pressing mechanism 76 is used to press the front and rear sides of the blade battery 1, and the battery top cover clamping mechanism 77 is used to press the top cover 2 at the end of the blade battery 1. Preferably, the left welding clamping device 7 and the right welding clamping device 8 are symmetrical to each other. The left welding clamping device 7 and the right welding clamping device 8 of the present invention can simultaneously position and fix the blade battery 1 from the front, rear, left, right and top cover end, so that the welding precision of the blade battery 1 can be guaranteed; the left welding clamping device 7 and the right welding clamping device 8 of the present invention are respectively provided with an air slip ring 72 assembly. During the rotation process, the various cylinders of the left welding clamping device 7 and the right welding clamping device 8 will not have the problem of air pipe entanglement.

[0021] like Figure 3-Figure 6 As shown, the support seat 71 of the left welding clamping device 7 and the right welding clamping device 7 8 includes a support pad 711, a support vertical plate 712 and a reinforcement support plate 713. The support vertical plate 712 and the reinforcement support plate 713 are vertically installed on the support pad 711, and the support vertical plate 712 and the reinforcement support plate 713 are connected to each other; one side of the upper end of the support vertical plate 712 is fixedly connected to an air slip ring support column 721, and one end of the air slip ring support column 721 is installed with an air slip ring clamping block 722; the air slip ring 72 includes an air slip ring body 723, the air slip ring body 723 is installed on the air slip ring clamping block 722, and the air slip ring body 723 is provided with a rotatable air slip ring shaft 724; the upper end of the support vertical plate 712 is provided with a vertical plate through hole 7121, and the air slip ring shaft 724 moves through the vertical plate through hole 7121 and is connected to the motor connection block 731 of the direct drive motor 73.

[0022] like Figure 3-Figure 6As shown, the battery pressing mechanism 75 of the left welding clamping device 7 and the right welding clamping device 8 includes a pressing cylinder mounting plate 751, a pressing cylinder 752, a pressing cylinder driving plate 753, an upper pressing block connecting plate 754 and an upper pressing block 755. The pressing cylinder 752 mounting plate 751 is vertically installed on one side of the clamping support plate 74, and the pressing cylinder 752 is installed on the pressing cylinder 752 mounting plate 751. The power output end of the pressing cylinder 752 is connected to the pressing cylinder driving plate 753. The pressing cylinder 752 is used to drive the pressing cylinder driving plate 753 to rise or fall. The upper pressing block connecting plate 754 is horizontally installed on the lower end of the pressing cylinder driving plate 753. The upper pressing block 755 is installed on the end of the upper pressing block connecting plate 754 close to the direct drive motor 73. The clamping support plate 74 is provided with a support plate clamp 741, and the upper clamp 755 is positioned opposite to the support plate clamp 741. The battery clamping mechanism 75 also includes two reinforcing ribs 756, which are respectively connected to the upper clamping cylinder drive plate 753 and the upper clamp connecting plate 754; the upper clamp 755 is a copper clamp with high durability, and the copper clamp is detachably connected to the upper clamp connecting plate 754 by screws, which is convenient for replacing the copper clamp; the support plate clamp 741 is a copper clamp with high durability, and the copper clamp is detachably connected to the clamping support plate 74 by screws, which is convenient for replacing the copper clamp. Through the upward pressure of the battery clamping mechanism 75, the upper clamp 755 and the support plate clamp 741 can cooperate with each other to clamp the upper and lower sides of the end of the blade battery 1.

[0023] like Figure 3-Figure 6As shown, the battery side pressure mechanism 76 of the left welding clamping device 7 and the right welding clamping device 8 includes a static side pressure block connecting plate 761, a static side pressure block 762, a side pressure cylinder 763, a dynamic side pressure block connecting plate 764 and a dynamic side pressure block 765, wherein the static side pressure block connecting plate 761 is mounted on one end of the clamping support plate 74, the static side pressure block 762 is mounted on the end of the static side pressure block connecting plate 761 close to the direct drive motor 73, the side pressure cylinder 763 is mounted on the lower side of the clamping support plate 74, the power output end of the side pressure cylinder 763 is connected to the dynamic side pressure block 765 connecting plate 764, the dynamic side pressure block 765 is mounted on the end of the dynamic side pressure block 765 connecting plate 764 close to the direct drive motor 73, the static side pressure block connecting plate 761 is opposite to the dynamic side pressure block 765 connecting plate 764, and the static side pressure block 762 is opposite to the dynamic side pressure block 765. The static side pressure block 762 is a highly durable copper static pressure block. It is removably connected to the static side pressure block connecting plate 761 via screws for easy replacement. The dynamic side pressure block 765 is a highly durable copper dynamic pressure block. It is removably connected to the connecting plate 764 of the dynamic side pressure block 765 via screws for easy replacement. The lateral pressure of the battery lateral pressure mechanism 76 enables the static side pressure block 762 and the dynamic side pressure block 765 to cooperate with each other and together compress the front and rear sides of the end of the blade battery 1.

[0024] like Figure 3-Figure 6 As shown, the battery top cover clamping mechanism 77 of the left welding clamping device 7 and the right welding clamping device 8 includes a top cover clamping cylinder 771, a top cover clamping block connecting plate 772 and a top cover clamping block 773. The top cover clamping cylinder 771 is installed on the lower side of the clamping support plate 74. The power output end of the top cover clamping cylinder 771 is connected to the top cover clamping block connecting plate 772. The top cover clamping block 773 is installed on the upper end of the top cover clamping block connecting plate 772. The clamping support plate 74 is provided with an air-avoiding hole 742 for the top cover clamping block connecting plate 772 and the top cover clamping block 773 to pass through. The top cover clamping block 773 is a top cover clamping copper block with high durability. The top cover clamping copper block is detachably connected to the top cover clamping block connecting plate 772 by screws, which is convenient for replacement. Through the pressing action of the battery top cover pressing mechanism 77 , the top cover pressing block 773 can press the top cover 2 at the end of the blade battery 1 .

[0025] The above description is only a preferred embodiment of the present invention. Any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical solution of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A blade battery top cover welding and pressing device, characterized by: It comprises a left welding clamping device and a right welding clamping device which are positioned relatively to each other, the left welding clamping device being used to clamp the left end of the blade battery and the top cover, and the right welding clamping device being used to clamp the right end of the blade battery and the top cover; the left welding clamping device and the right welding clamping device respectively comprise a support seat, an air slip ring, a direct drive motor, a clamping support plate, a battery upper pressing mechanism, a battery side pressing mechanism and a battery top cover clamping mechanism, the air slip ring and the direct drive motor are respectively mounted on the support seat, the direct drive motor is provided with a rotatable motor connecting block, the air slip ring is connected to the middle part of the motor connecting block, the clamping support plate is connected to the side part of the motor connecting block, the battery upper pressing mechanism, the battery side pressing mechanism and the battery top cover clamping mechanism are respectively mounted on the clamping support plate, the battery upper pressing mechanism is used to clamp the upper side of the blade battery, the battery side pressing mechanism is used to clamp the front and rear sides of the blade battery, and the battery top cover clamping mechanism is used to clamp the top cover at the end of the blade battery.

2. The blade battery top cover welding and pressing device according to claim 1, characterized in that: The support base of the left welding clamping device and the right welding clamping device includes a support pad, a support vertical plate and a reinforcement support plate, the support vertical plate and the reinforcement support plate are vertically installed on the support pad, and the support vertical plate and the reinforcement support plate are connected to each other; one side of the upper end of the support vertical plate is fixedly connected to an air slip ring support column, and one end of the air slip ring support column is installed with an air slip ring clamping block; the air slip ring includes an air slip ring body, the air slip ring body is installed on the air slip ring clamping block, and the air slip ring body is provided with a rotatable air slip ring shaft; the upper end of the support vertical plate is provided with a vertical plate through hole, the air slip ring shaft moves through the vertical plate through hole, and is connected to the motor connection block of the direct drive motor.

3. The blade battery top cover welding and pressing device according to claim 1, characterized in that: The battery pressing mechanism of the left welding clamping device and the right welding clamping device includes an upper pressing cylinder mounting plate, an upper pressing cylinder, an upper pressing cylinder driving plate, an upper pressing block connecting plate and an upper pressing block. The upper pressing cylinder mounting plate is vertically installed on one side of the pressing support plate, and the upper pressing cylinder is installed on the upper pressing cylinder mounting plate. The power output end of the upper pressing cylinder is connected to the upper pressing cylinder driving plate. The upper pressing cylinder is used to drive the upper pressing cylinder driving plate to rise or fall. The upper pressing block connecting plate is horizontally installed at the lower end of the upper pressing cylinder driving plate, and the upper pressing block is installed at one end of the upper pressing block connecting plate close to the direct drive motor.

4. The blade battery top cover welding and pressing device according to claim 3, characterized in that: The pressing support plate is provided with a support plate pressing block, and the upper pressing block and the support plate pressing block are positioned opposite to each other.

5. The blade battery top cover welding and pressing device according to claim 4, characterized in that: The battery pressing mechanism also includes two reinforcing ribs, which are respectively connected to the upper pressing cylinder drive plate and the upper pressing block connecting plate; the upper pressing block is an upper pressing copper block, which is detachably connected to the upper pressing block connecting plate by screws; the support plate pressing block is a support plate copper pressing block, which is detachably connected to the clamping support plate by screws.

6. The blade battery top cover welding and pressing device according to claim 1, characterized in that: The battery side pressure mechanism of the left welding clamping device and the right welding clamping device includes a static side pressure block connecting plate, a static side pressure block, a side pressure cylinder, a dynamic side pressure block connecting plate and a dynamic side pressure block. The static side pressure block connecting plate is installed on one end of the clamping support plate, the static side pressure block is installed on the end of the static side pressure block connecting plate close to the direct drive motor, the side pressure cylinder is installed on the lower side of the clamping support plate, the power output end of the side pressure cylinder is connected to the dynamic side pressure block connecting plate, the dynamic side pressure block is installed on the end of the dynamic side pressure block connecting plate close to the direct drive motor, the static side pressure block connecting plate and the dynamic side pressure block connecting plate are relative to each other, and the static side pressure block and the dynamic side pressure block are relative to each other.

7. The blade battery top cover welding and pressing device according to claim 6, characterized in that: The static side pressure block is a static side pressure copper block, which is detachably connected to the static side pressure block connecting plate by screws. The dynamic side pressure block is a dynamic side pressure copper block, which is detachably connected to the dynamic side pressure block connecting plate by screws.

8. The blade battery top cover welding and pressing device according to claim 1, characterized in that: The battery top cover pressing mechanism of the left welding pressing device and the right welding pressing device includes a top cover pressing cylinder, a top cover pressing block connecting plate and a top cover pressing block. The top cover pressing cylinder is installed on the lower side of the pressing support plate, the power output end of the top cover pressing cylinder is connected to the top cover pressing block connecting plate, and the top cover pressing block is installed on the upper end of the top cover pressing block connecting plate.

9. The blade battery top cover welding and pressing device according to claim 8, characterized in that: The top cover pressing block is a top cover pressing copper block, and the top cover pressing copper block is detachably connected to the top cover pressing block connecting plate by screws.

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