Positive and negative electrode conductive handle welding device

Abstract

The utility model discloses a positive and negative electrode conductive handle welding device which comprises a stand column assembly, the bottom of the stand column assembly is provided with a supporting plate, the top of the stand column assembly is provided with a transversely-arranged guide mechanism, two sliding blocks are arranged on the guide mechanism in a sliding fit mode, and a positive electrode positioning block and a negative electrode positioning block are arranged on the two sliding blocks respectively. A positive electrode positioning groove and a negative electrode positioning groove are formed in the positive electrode positioning block and the negative electrode positioning block respectively, and are arranged in the length direction of the guide mechanism in a penetrating manner; the bottom surface of the positive electrode positioning groove is higher than that of the negative electrode positioning groove, and the height difference between the two is consistent with the protruding height of a positive electrode column of the cylindrical battery; the bottoms of the positive electrode positioning block and the negative electrode positioning block are both provided with receding grooves capable of containing cylindrical batteries, the groove bottoms of the receding grooves and the groove bottoms of the negative electrode positioning grooves are consistent in height, and the negative electrode positioning grooves and the corresponding receding grooves are communicated to form negative electrode welding areas. The welding fixture has the advantages of reasonable structural design, convenience in positioning, facilitation of improving the welding efficiency and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery production, in particular to a positive and negative electrode conductive handle welding device. Background Art

[0002] At present, with the rapid development of the new energy industry, society's requirements for the energy density, safety performance, and fast charging performance of lithium-ion batteries have been further improved. As a highly recognized solution, large cylindrical batteries have ushered in a broad market space. Single cylindrical batteries are usually assembled in the form of battery modules. When assembling battery modules, the positive and negative conductive handles need to be welded to the same end of the cylindrical battery, and welded to the positive electrode and the shell respectively, to facilitate series or parallel welding during assembly. Therefore, how to quickly and accurately weld the positive and negative conductive handles to the cylindrical battery has become an urgent problem to be solved. Utility Model Content

[0003] In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is: how to provide a positive and negative conductive handle welding device with reasonable structural design, convenient positioning, and conducive to improving welding efficiency.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A positive and negative conductive handle welding device, characterized in that it includes a column assembly, the bottom of the column assembly has a support plate for vertically placing cylindrical batteries, and the top has a transversely arranged guide mechanism, the guide mechanism can be slidably matched with two sliders, the two sliders are respectively provided with a positive positioning block and a negative positioning block, the positive positioning block and the negative positioning block are respectively provided with a positive positioning groove and a negative positioning groove, the positive positioning groove and the negative positioning groove are both arranged through the length direction of the guide mechanism; the bottom surface of the positive positioning groove is higher than the bottom surface of the negative positioning groove, and the height difference between the two is consistent with the protruding height of the positive pole column of the cylindrical battery; the bottom of the positive positioning block and the negative positioning block are both provided with a makeshift groove that can accommodate the cylindrical battery, and the makeshift groove The bottom of the groove is consistent with the bottom height of the negative electrode positioning groove, so that the negative electrode positioning groove and the corresponding give way groove are connected to form a negative electrode welding area, and the positive electrode positioning groove is vertically penetrated by a semicircular positive electrode welding area at one end toward the negative electrode positioning block, and the radius of the positive electrode welding area is consistent with the radius of the positive electrode column of the cylindrical battery; the upper part of the column assembly is provided with a clamping assembly vertically arranged opposite to the support plate, and the lower part of the clamping assembly is protruding with a positive electrode pressure head and a negative electrode pressure head respectively arranged opposite to the positive electrode positioning groove and the negative electrode positioning groove, and the positive electrode pressure head and the negative electrode pressure head are both provided with through-arranged welding holes, and the welding holes correspond to the positive electrode welding area and the negative electrode welding area respectively; and it also includes a lifting mechanism for relative movement of the clamping assembly and the support plate.

[0006] By adopting the above structure, the cylindrical battery is placed on the support plate, and the positive positioning block and the negative positioning block are relatively moved, so that the positive electrode welding area on the positive positioning block matches the positive pole of the cylindrical battery, and the negative positioning block is in contact with the positive positioning block. At this time, the bottom surface of the positive positioning groove is flush with the top of the positive pole, and the bottom surface of the negative positioning groove is flush with the upper end surface of the shell. The positive and negative conductive handles are respectively placed in the positive positioning groove and the negative positioning groove, and are aligned with the positive pole and the negative shell respectively. The pressing assembly and the support plate are relatively moved by the lifting mechanism, and the positive pressure head and the negative pressure head respectively press the positive conductive handle and the negative conductive handle, so that the welding positioning of the positive and negative conductive handles can be completed, and the positive and negative conductive handles can be welded through the welding holes on the positive pressure head and the negative pressure head. Through the above device, the positioning of the positive and negative conductive handles and the cylindrical battery can be completed conveniently and quickly, which is conducive to improving the welding efficiency.

[0007] Furthermore, the clamping assembly includes a semicircular clamping block, the bottom of which protrudes downward to form the positive electrode pressure head, and the positive electrode pressure head extends in a strip shape along the symmetry line of the clamping block, and the width matches the width of the positive electrode positioning groove; one of the welding holes is coaxially and through-through arranged on the clamping block; a horizontally arranged clamping plate is installed on the side of the clamping block, and the other welding hole is a strip groove arranged on the clamping plate along the symmetry line of the clamping block, and both sides of the strip groove extend downward to form a plate-shaped negative electrode pressure head, and the outer width of the negative electrode pressure head is consistent with the width of the negative electrode positioning groove.

[0008] Furthermore, it also includes a horizontally arranged moving mechanism, the moving end of the moving mechanism is provided with a support frame, the top of the support frame has a horizontally arranged support plate, and the support plate is vertically provided with a mounting hole; the clamping assembly is arranged on the mounting hole.

[0009] In this way, the support frame and the clamping assembly can be moved horizontally through the moving mechanism, thereby providing space for loading and unloading of cylindrical batteries and facilitating operation.

[0010] Furthermore, the moving mechanism includes two first guide rails arranged in parallel and a first linear telescopic mechanism arranged in the same direction, and the support frame is slidably mounted on the two first guide rails and connected to the telescopic end of the first linear telescopic mechanism.

[0011] Furthermore, the lifting mechanism includes two second guide rails vertically arranged on the column assembly and a second linear telescopic mechanism arranged in the same direction, and a base plate is slidably mounted on the two second guide rails, and the base plate is connected to the telescopic end of the second linear telescopic mechanism; the support plate and the guide mechanism are both arranged on the base plate.

[0012] Furthermore, the guide mechanism is two third guide rails arranged side by side on the bottom plate, and the bottom plate is provided with a driving mechanism for driving the two sliders to move synchronously in opposite directions.

[0013] Furthermore, the driving mechanism includes two screw rods with opposite rotation directions and coaxially connected, and the screw rods are arranged parallel to the guide mechanism; the two sliders are respectively connected to the screw nuts of the two screw rods; and one end of the screw rod is connected to a driving motor.

[0014] Furthermore, the second linear telescopic mechanism is a telescopic cylinder arranged vertically upward.

[0015] In summary, the utility model has the advantages of reasonable structural design, convenient positioning, and is beneficial to improving welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a schematic diagram of the overall structure of this embodiment.

[0017] Figure 2 and Figure 3 It is a structural schematic diagram of the clamping assembly.

[0018] Figure 4 and Figure 5 It is a schematic diagram of the structure of the positive positioning block and the negative positioning block. DETAILED DESCRIPTION

[0019] The utility model is further described in detail below in conjunction with the embodiments.

[0020] When implementing: Figure 1 to Figure 5 As shown, a positive and negative electrode conductive handle welding device comprises a column assembly 1, wherein the bottom of the column assembly 1 has a support plate 2 for vertically placing cylindrical batteries, and the top has a transversely arranged guide mechanism 3, wherein the guide mechanism 3 is slidably matched with two sliders, and the two sliders are respectively provided with a positive electrode positioning block 4 and a negative electrode positioning block 5, and the positive electrode positioning block 4 and the negative electrode positioning block 5 are respectively provided with a positive electrode positioning groove 41 and a negative electrode positioning groove 51, and the positive electrode positioning groove 41 and the negative electrode positioning groove 51 are both arranged through the length direction of the guide mechanism 3; The bottom surface of the positive electrode positioning groove 41 is higher than the bottom surface of the negative electrode positioning groove 51, and the height difference between the two is consistent with the protruding height of the positive electrode column of the cylindrical battery; the bottoms of the positive electrode positioning block 4 and the negative electrode positioning block 5 are both provided with a clearance groove that can accommodate the cylindrical battery, and the groove bottom of the clearance groove is consistent with the groove bottom height of the negative electrode positioning groove 51, so that the negative electrode positioning groove 51 is connected with the corresponding clearance groove to form a negative electrode welding area 52, and the positive electrode positioning groove 41 is vertically penetrated toward one end of the negative electrode positioning block 5 and is provided with a semicircular positive electrode welding area 42, such as Figure 4 and Figure 5 As shown, the radius of the positive electrode welding area 42 is consistent with the radius of the positive electrode column of the cylindrical battery; the upper part of the column assembly 1 is provided with a clamping assembly 6 vertically arranged opposite to the support plate 2, and the lower part of the clamping assembly 6 is provided with a positive electrode pressure head 61 and a negative electrode pressure head 62 respectively arranged opposite to the positive electrode positioning groove 41 and the negative electrode positioning groove 51, and the positive electrode pressure head 61 and the negative electrode pressure head 62 are provided with welding holes arranged through them, and the welding holes correspond to the positive electrode welding area 42 and the negative electrode welding area 52 respectively; and it also includes a lifting mechanism 7 for relative movement of the clamping assembly 6 and the support plate 2.

[0021] like Figure 1As shown, the lifting mechanism 7 includes two second guide rails 71 vertically arranged on the column assembly 1 and a second linear telescopic mechanism arranged in the same direction, and a bottom plate 72 is slidably mounted on the two second guide rails 71, and the bottom plate 72 is connected to the telescopic end of the second linear telescopic mechanism; the support plate 2 and the guide mechanism 3 are both arranged on the bottom plate 72.

[0022] The guide mechanism 3 is two third guide rails arranged side by side on the bottom plate 72, and a driving mechanism for driving the two sliders to move synchronously in opposite directions is arranged on the bottom plate 72. The driving mechanism includes two screw rods with opposite rotation directions and coaxially connected, and the screw rods are arranged parallel to the guide mechanism 3; the two sliders are respectively connected to the screw rod nuts of the two screw rods; one end of the screw rod is connected to a driving motor.

[0023] like Figure 2 and Figure 3 As shown, the clamping assembly 6 includes a semicircular clamping block, the bottom of which protrudes downward to form the positive electrode pressure head 61, and the positive electrode pressure head 61 extends in a strip shape along the symmetry line of the clamping block, and its width matches the width of the positive electrode positioning groove 41; one of the welding holes is coaxially and through-through arranged on the clamping block; a horizontally arranged clamping plate is installed on the side of the clamping block, and the other welding hole is a strip groove arranged on the clamping plate along the symmetry line of the clamping block, and both sides of the strip groove extend downward to form a plate-shaped negative electrode pressure head 62, and the outer width of the negative electrode pressure head is consistent with the width of the negative electrode positioning groove 51.

[0024] It also includes a horizontally arranged moving mechanism 8, the moving end of the moving mechanism 8 is provided with a support frame 81, the top of the support frame 81 has a horizontally arranged support plate 82, and the support plate 82 is vertically provided with a mounting hole; the clamping assembly 6 is arranged on the mounting hole. The moving mechanism 8 includes two first guide rails arranged in parallel and a first linear telescopic mechanism arranged in the same direction, the support frame 81 is slidably mounted on the two first guide rails, and is connected to the telescopic end of the first linear telescopic mechanism. In this way, the support frame and the clamping assembly can be horizontally moved apart by the moving mechanism, thereby providing space for loading and unloading of cylindrical batteries and facilitating operation. In specific implementation, the first linear telescopic mechanism and the second linear telescopic mechanism both use telescopic cylinders.

[0025] By using the welding device of this embodiment, the cylindrical battery is placed on the support plate, and the positive positioning block and the negative positioning block are relatively moved, so that the positive welding area on the positive positioning block matches the positive pole column of the cylindrical battery, and the negative positioning block is in contact with the positive positioning block. At this time, the bottom surface of the positive positioning groove is flush with the top of the positive pole column, and the bottom surface of the negative positioning groove is flush with the upper end surface of the shell. The positive and negative conductive handles are respectively placed in the positive positioning groove and the negative positioning groove, and are aligned with the positive pole column and the negative shell respectively. The pressing assembly and the support plate are relatively moved by the lifting mechanism, and the positive pressure head and the negative pressure head respectively press the positive conductive handle and the negative conductive handle, so that the welding positioning of the positive and negative conductive handles can be completed, and the positive and negative conductive handles can be welded through the welding holes on the positive pressure head and the negative pressure head. Through the above device, the positioning of the positive and negative conductive handles and the cylindrical battery can be completed conveniently and quickly, which is conducive to improving the welding efficiency.

[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A positive and negative electrode conductive handle welding device, characterized in that: The invention comprises a column assembly (1), wherein the bottom of the column assembly (1) has a support plate (2) for vertically placing cylindrical batteries, and the top has a transversely arranged guide mechanism (3), wherein the guide mechanism (3) is slidably matched with two sliders, wherein the two sliders are respectively provided with a positive electrode positioning block (4) and a negative electrode positioning block (5), wherein the positive electrode positioning block (4) and the negative electrode positioning block (5) are respectively provided with a positive electrode positioning groove (41) and a negative electrode positioning groove (51), wherein the positive electrode positioning groove (41) and the negative electrode positioning groove (51) are both arranged through the length direction of the guide mechanism (3); the bottom surface of the positive electrode positioning groove (41) is higher than the bottom surface of the negative electrode positioning groove (51), and the height difference between the two is consistent with the protruding height of the positive electrode column of the cylindrical battery; the bottom of the positive electrode positioning block (4) and the negative electrode positioning block (5) are both provided with a clearance groove capable of accommodating the cylindrical battery, and the groove bottom of the clearance groove is the same height as the groove bottom of the negative electrode positioning groove (51). The negative electrode positioning groove (51) is connected to the corresponding clearance groove to form a negative electrode welding area (52); the positive electrode positioning groove (41) is vertically connected to one end of the negative electrode positioning block (5) and is provided with a semicircular positive electrode welding area (42); the radius of the positive electrode welding area (42) is consistent with the radius of the positive electrode column of the cylindrical battery; the upper part of the column assembly (1) is provided with a clamping assembly (6) vertically arranged opposite to the support plate (2); the clamping assembly A positive electrode pressure head (61) and a negative electrode pressure head (62) are respectively arranged opposite to the positive electrode positioning groove (41) and the negative electrode positioning groove (51) and protrude from the lower part of the component (6); the positive electrode pressure head (61) and the negative electrode pressure head (62) both have welding holes extending therethrough, and the welding holes correspond to the positive electrode welding area (42) and the negative electrode welding area (52) respectively; and a lifting mechanism (7) is also included for allowing the clamping assembly (6) and the support plate (2) to move relative to each other.

2. The positive and negative electrode conductive handle welding device according to claim 1, characterized in that: The clamping assembly (6) comprises a semicircular clamping block, the bottom of which protrudes downward to form the positive electrode pressure head (61), the positive electrode pressure head (61) extending along the symmetry line of the clamping block in a strip shape, and the width of which matches the width of the positive electrode positioning groove (41); one of the welding holes is coaxially arranged on the clamping block; a horizontally arranged clamping plate is installed on the side of the clamping block, and the other welding hole is a strip groove arranged on the clamping plate along the symmetry line of the clamping block, and both sides of the strip groove extend downward to form a plate-shaped negative electrode pressure head (62), and the outer width of the negative electrode pressure head is consistent with the width of the negative electrode positioning groove (51).

3. The positive and negative electrode conductive handle welding device according to claim 1, characterized in that: It also comprises a horizontally arranged moving mechanism (8), the moving end of the moving mechanism (8) being provided with a support frame (81), the top of the support frame (81) being provided with a horizontally arranged support plate (82), the support plate (82) being provided with a mounting hole extending vertically therethrough; the clamping assembly (6) being arranged on the mounting hole.

4. The positive and negative electrode conductive handle welding device according to claim 3, characterized in that: The moving mechanism (8) comprises two first guide rails arranged in parallel and a first linear telescopic mechanism arranged in the same direction, and the support frame (81) is slidably mounted on the two first guide rails and connected to the telescopic end of the first linear telescopic mechanism.

5. The positive and negative electrode conductive handle welding device according to claim 1, characterized in that: The lifting mechanism (7) comprises two second guide rails (71) vertically arranged on the column assembly (1) and a second linear telescopic mechanism arranged in the same direction; a bottom plate (72) is slidably mounted on the two second guide rails (71), and the bottom plate (72) is connected to the telescopic end of the second linear telescopic mechanism; the support plate (2) and the guide mechanism (3) are both arranged on the bottom plate (72).

6. The positive and negative electrode conductive handle welding device according to claim 5, characterized in that: The guide mechanism (3) is two third guide rails arranged side by side on the bottom plate (72), and the bottom plate (72) is provided with a driving mechanism for driving the two sliders to move synchronously in opposite directions.

7. The positive and negative electrode conductive handle welding device according to claim 6, characterized in that: The driving mechanism comprises two screw rods with opposite rotation directions and coaxially connected, the screw rods being arranged in parallel with the guide mechanism (3); the two sliders are respectively connected to the screw rod nuts of the two screw rods; and one end of the screw rod is connected to a driving motor.

8. The positive and negative electrode conductive handle welding device according to claim 5, characterized in that: The second linear telescopic mechanism is a telescopic cylinder arranged vertically upward.

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