Welding verification tool

Abstract

The utility model provides a welding verification tool, and relates to the technical field of battery testing. The welding verification tool has a height direction, and comprises a body for placing a first top cover assembly and a second top cover assembly, an adjusting mechanism with an adjusting piece, and a clamping mechanism arranged on the body. The adjusting part can move relative to the body in the height direction and is used for supporting the first top cover assembly, and the clamping mechanism is arranged close to the adjusting mechanism and used for abutting against a connecting piece above the first top cover assembly. According to the welding verification tool, the height difference between the two pole columns can be adjusted more quickly and accurately through movement of the adjusting piece in the height direction, and therefore the problems that a large error exists in a test result and verification efficiency is low are solved.

Description

Technical Field

[0001] The present application relates to the technical field of battery testing, and in particular to a welding verification tool. Background Art

[0002] The information disclosed in this background technology section is only intended to deepen the understanding of the overall background technology of the present disclosure, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art known to those skilled in the art.

[0003] In battery modules, connecting pieces are usually used to connect multiple single cells in series. Specifically, the connecting piece is welded to the pole of the top cover assembly of each single cell by laser welding with reasonable welding process parameters. Due to the processing and manufacturing of battery modules, there will be a certain height error between the poles of two adjacent single cells. Therefore, after welding the connecting piece, it is necessary to conduct a DOE (design of experiment) test when there is a height difference between the two poles, that is, to verify whether the depth of penetration, width of penetration and the fit between the connecting piece and the pole under different height differences meet the quality control requirements.

[0004] At present, when conducting DOE tests after welding, gaskets of different thicknesses are used in combination to create a height difference between two different poles. However, the combination and superposition of gaskets has the problem of poor precision, making it difficult to create an accurate height difference, resulting in large errors in actual test results. In addition, the gasket combination process is time-consuming, so the verification efficiency is low. Utility Model Content

[0005] In view of this, the purpose of this application is to provide a welding verification tool, aiming to solve the technical problems of large errors in DOE test results and low verification efficiency.

[0006] To achieve the above objectives, the technical solutions adopted in this application are as follows:

[0007] The embodiment of the present application provides a welding verification tool having a height direction, and the welding verification tool comprises:

[0008] A body, used for placing the first top cover assembly and the second top cover assembly;

[0009] an adjusting mechanism, disposed on the body, the adjusting mechanism comprising an adjusting member, the adjusting member being movable relative to the body in the height direction, and the adjusting member being used to support the first top cover assembly;

[0010] The clamping mechanism is arranged on the main body and close to the adjusting mechanism, and the clamping mechanism is used to press against the connecting piece above the first top cover assembly.

[0011] In one of the embodiments, the main body is provided with a first positioning hole and a second positioning hole in the height direction, the first top cover assembly is located at the first positioning hole, the second top cover assembly is located at the second positioning hole, and there are multiple adjusting members, and the multiple adjusting members are arranged on the main body along the periphery of the first positioning hole.

[0012] In one of the embodiments, a plurality of extension portions are provided on the main body along the periphery of the first positioning hole, the plurality of extension portions respectively extend in a direction close to the first top cover assembly, and each of the extension portions is provided with an adjusting member.

[0013] In one embodiment, the adjusting member is a first screw rod, and a plurality of first threaded holes are arranged on the body along the periphery of the first positioning hole, and each of the first screw rods is passed through one of the first threaded holes and is threadedly connected to the body.

[0014] In one embodiment, the adjustment mechanism further includes a screwing member, which is disposed at an end of the first screw rod away from the clamping mechanism, and the end of the first screw rod away from the screwing member is used to support the first top cover assembly.

[0015] In one of the embodiments, the clamping mechanism includes a pressing arm and a pressing member, wherein the pressing member is disposed at one end of the pressing arm, and the pressing arm can move relative to the body to drive the pressing member to press against the connecting sheet.

[0016] In one embodiment, the clamping mechanism also includes a clamping assembly, which is arranged on the main body and connected to a portion of the pressure arm away from the clamping member, and the clamping assembly is used to drive the pressure arm to rotate relative to the main body to drive the clamping member to press against the connecting plate.

[0017] In one embodiment, the clamping mechanism also includes a threaded fastening assembly, which includes a second screw rod, a second threaded hole is provided at one end of the pressure arm close to the pressure piece, the pressure piece is provided at one end of the second screw rod, the second screw rod is passed through the second threaded hole and is threadedly connected to the pressure arm.

[0018] In one of the embodiments, the pressing member comprises a hard layer and an elastic layer connected to each other, and a side of the elastic layer facing away from the hard layer is used to press against the connecting sheet.

[0019] In one embodiment, the main body includes an end plate portion and a positioning portion that are connected to each other, the clamping mechanism is arranged on the end plate portion, the adjustment mechanism is arranged on the positioning portion, the positioning portion and the end plate portion are combined to form a limiting groove, and the limiting groove is used to accommodate at least a portion of the first top cover assembly and at least a portion of the second top cover assembly.

[0020] The beneficial effects of this application are:

[0021] When using the welding verification tooling provided by the present application, first place the first top cover assembly and the second top cover assembly on the main body respectively. At this time, the adjusting member located on the main body is supported on the first top cover assembly. Since the adjusting member can move relative to the main body in the height direction, it can be used to adjust the relative position of the first top cover assembly and the second top cover assembly in the height direction, so as to adjust the height difference between the two poles. Then, place the connecting piece on top of the first top cover assembly, and then use the clamping mechanism to press on the connecting piece, and then weld the connecting piece to the poles of the first top cover assembly and the second top cover assembly, and then perform the DOE test. In the above process, compared with the method of using a gasket combination, the height difference between the poles can be adjusted more quickly and accurately by moving the adjusting member in the height direction, thereby improving the problem of large errors in the test results and low verification efficiency.

[0022] In order to make the above-mentioned objects, features and advantages of the present application more obvious and understandable, preferred embodiments are given below and described in detail with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 A schematic diagram of a three-dimensional assembly structure of a welding verification tool, a connecting piece, a first top cover assembly, and a second top cover assembly in some embodiments of the present application is shown;

[0025] Figure 2 Shows Figure 1 Schematic diagram of the decomposition structure;

[0026] Figure 3 A schematic diagram of the three-dimensional structure of a welding verification tool in some embodiments of the present application is shown;

[0027] Figure 4 A schematic structural diagram of a welding verification tool from one perspective in some embodiments of the present application is shown;

[0028] Figure 5 Shows Figure 4 The structural diagram of part A in the figure;

[0029] Figure 6 A schematic diagram of a three-dimensional assembly structure of a single battery and a connecting piece in some embodiments of the present application is shown;

[0030] Figure 7 A schematic diagram of the assembly structure of a single cell and a connecting sheet from one perspective is shown in some embodiments of the present application;

[0031] Figure 8 A schematic diagram of the structure of the main body from one perspective in some embodiments of the present application is shown;

[0032] Fig. 9 Shows Figure 8 Schematic diagram of the cross-sectional structure at BB in the middle;

[0033] Fig.10 A schematic diagram of the three-dimensional structure of the clamping mechanism in some embodiments of the present application is shown;

[0034] Fig.11 A schematic diagram of the exploded structure of the clamping mechanism in some embodiments of the present application is shown.

[0035] Description of main component symbols:

[0036] 100-welding verification tool; 110-body; 111-enclosing plate; 1111-open cavity; 112-end plate; 1121-first positioning hole; 1122-second positioning hole; 1123-first threaded hole; 1124-limiting groove; 113-positioning part; 114-extension part; 120-clamping mechanism; 121-clamping assembly; 1211-base; 1212-locking member; 1213-operating member; 12131-first end; 12132-second end; 122-pressing member; 1221-pressing plane; 1222- Hard layer; 1223-elastic layer; 123-threaded fastening assembly; 1231-second screw; 1232-first adjusting nut; 1233-second adjusting nut; 124-pressing arm; 1241-second threaded hole; 130-adjusting mechanism; 131-adjusting member; 132-screwing member; 200-first single cell; 210-first top cover assembly; 211-cover plate; 212-pole; 300-second single cell; 310-second top cover assembly; 400-connecting piece; 500-welding copper nozzle; z-height direction; h-height difference. DETAILED DESCRIPTION

[0037] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0038] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0040] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0041] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0042] In a battery module, a connecting piece is usually used to connect multiple single cells in series. Specifically, the connecting piece is welded to the pole of the top cover assembly of each single cell by laser welding with reasonable welding process parameters.

[0043] like Figure 6 and Figure 7 As shown, taking two adjacent single cells as an example, the first single cell 200 and the second single cell 300 both have a cover plate 211 and a pole 212 arranged through the cover plate 211. Due to the processing and manufacturing reasons of the battery module, there is a height difference h between the pole 212 of the first single cell 200 and the pole 212 of the second single cell 300 in the height direction z. Therefore, after welding the connecting piece 400, it is necessary to perform a DOE (design of experiment) test when there is a height difference h between the two poles 212, that is, to verify whether the fusion depth, fusion width, and the fit between the connecting piece 400 and the pole 212 under different height differences h meet the quality control requirements.

[0044] At present, when conducting a DOE test after welding, gaskets of different thicknesses are used in combination to produce a height difference h between two different poles 212. However, the combination and superposition of gaskets has a problem of poor precision, making it difficult to produce an accurate height difference h, resulting in large errors in actual test results. In addition, the gasket combination process is time-consuming, so the verification efficiency is low.

[0045] like Figures 1 to 3 As shown, in order to solve the above technical problems, an embodiment of the present application provides a welding verification tool 100, including: a main body 110, an adjustment mechanism 130 and a clamping mechanism 120.

[0046] The body 110 is used to place the first top cover assembly 210 and the second top cover assembly 310. The adjustment mechanism 130 is arranged on the body 110, and the adjustment mechanism 130 includes an adjustment member 131. The adjustment member 131 is used to support the first top cover assembly 210 and can move relative to the body 110 in the height direction z. The clamping mechanism 120 is arranged on the body 110 and is arranged close to the adjustment mechanism 130. The clamping mechanism 120 is used to press against the connecting piece 400 above the first top cover assembly 210.

[0047] like Figure 1 As shown, when welding the connecting piece 400 and the pole 212, for example, a welding copper nozzle 500 can be used to weld the connecting piece 400 to the pole 212 of the first top cover assembly 210 and the pole 212 of the second top cover assembly 310. Of course, the connecting piece 400 can also be welded to the pole 212 of the first top cover assembly 210 and the pole 212 of the second top cover assembly 310 by a manual handheld welding gun.

[0048] It can be understood that when using the welding verification tool 100 provided in this embodiment, the first top cover assembly 210 and the second top cover assembly 310 are first placed on the main body 110 respectively. At this time, the adjustment member 131 located on the main body 110 is supported on the first top cover assembly 210. Since the adjustment member 131 can move relative to the main body 110 in the height direction z, it can be used to adjust the relative position of the first top cover assembly 210 and the second top cover assembly 310 in the height direction z, so as to adjust the height difference h between the two poles 212. Then, the connecting piece 400 is placed above the first top cover assembly 210, and then the clamping mechanism 120 is used to press on the connecting piece 400, and then the connecting piece 400 is welded to the poles 212 of the first top cover assembly 210 and the second top cover assembly 310, and then the DOE test is performed. In the above process, compared with the method of adopting a gasket combination, the height difference h between the poles 212 can be adjusted more quickly and accurately by moving the adjusting member 131 in the height direction z, thereby improving the problem of large errors in the test results and low verification efficiency.

[0049] like Figure 3 , Figure 8 and Fig. 9 As shown, in one embodiment, the main body 110 is penetrated by a first positioning hole 1121 and a second positioning hole 1122 in the height direction z, the first top cover assembly 210 is located at the first positioning hole 1121, the second top cover assembly 310 is located at the second positioning hole 1122, and a plurality of adjusting members 131 are provided, and the plurality of adjusting members 131 are provided on the main body 110 along the periphery of the first positioning hole 1121.

[0050] like Figure 3 As shown, for example, among the multiple adjustment members 131, a portion of the adjustment members 131 is used to support one side of the first top cover assembly 210, and another portion of the adjustment members 131 is used to support the other side opposite to the first top cover assembly 210, so that the two opposite sides of the first top cover assembly 210 are supported respectively. Of course, the multiple adjustment members 131 can also be distributed at intervals around the periphery of the first top cover assembly 210, so that each side of the periphery of the first top cover assembly 210 is supported.

[0051] In this embodiment, since the first positioning hole 1121 and the second positioning hole 1122 are respectively provided through the body 110, the first positioning hole 1121 can avoid a part of the structure of the first top cover assembly 210 to achieve the positioning of the first top cover assembly 210, and the second positioning hole 1122 can avoid a part of the structure of the second top cover assembly 310 to achieve the positioning of the second top cover assembly 310. Thus, the positioning and limiting effects can be achieved, and the stability of the first top cover assembly 210 and the second top cover assembly 310 placed on the body 110 is increased, so as to reduce the possibility of the first top cover assembly 210 and the second top cover assembly 310 being horizontally offset relative to the body 110, which is conducive to improving the accuracy of the DOE test.

[0052] like Figure 8 As shown, further, a plurality of extension portions 114 are provided on the body 110 along the periphery of the first positioning hole 1121 , and the plurality of extension portions 114 extend toward the direction approaching the first top cover assembly 210 , respectively, and an adjusting member 131 is provided on each extension portion 114 .

[0053] In this embodiment, since a plurality of extensions 114 are provided on the body 110 along the periphery of the first positioning hole 1121, and an adjusting member 131 is provided on each extension 114, it is convenient to install the adjusting member 131. At the same time, the adjusting member 131 can be made closer to the middle of the first top cover assembly 210, so that the adjusting member 131 can better support the first top cover assembly 210, increase the stability of the first top cover assembly 210, facilitate welding of the connecting piece 400 and the two poles 212, and thus help improve the accuracy of the DOE test.

[0054] like Figure 8 As shown, further, the adjusting member 131 is a first screw, and a plurality of first threaded holes 1123 are provided on the body 110 along the periphery of the first positioning hole 1121 , and each first screw is passed through a first threaded hole 1123 and is threadedly connected to the body 110 .

[0055] In this embodiment, since the first screw is used as the adjusting member 131 and a first threaded hole 1123 cooperating with the first screw is provided on the main body 110, the first screw can be screwed to move the first screw relative to the main body 110 in the height direction z, thereby adjusting the height difference h between the two poles 212. After the adjustment is completed, the threaded connection between the first screw and the main body 110 can limit the movement of the first screw relative to the main body 110 in the height direction z, that is, a self-locking effect in the height direction z is achieved, which can reduce the possibility of changes in the height difference h between the two adjacent poles 212 during the subsequent DOE test, which is beneficial to improving the accuracy of the DOE test.

[0056] It should be understood that the adjusting member 131 may also be a pin shaft, and the main body 110 is provided with a pin hole penetrating therethrough in the height direction z, the pin shaft is slidably penetrated in the pin hole, and the main body 110 is also provided with a locking screw threadedly connected thereto, and the screw end of the locking screw is used to abut against the outer peripheral side of the pin shaft. In this way, the height difference h between the two poles 212 can also be adjusted by moving the pin shaft along the pin hole in the height direction z. After the adjustment is completed, the locking screw can be screwed so that the screw end of the locking screw abuts against the outer peripheral side of the pin shaft, thereby limiting the movement of the pin shaft in the height direction z, so as to avoid the situation where the height difference h between the two poles 212 changes during the DOE test.

[0057] like Figure 2 and Figure 3 As shown, further, the adjustment mechanism 130 also includes a screw 132 , which is disposed at one end of the first screw away from the clamping mechanism 120 , and one end of the first screw away from the screw 132 is used to support the first top cover assembly 210 .

[0058] In this embodiment, since a screwing member 132 is provided at the end of the first screw away from the clamping mechanism 120 , the first screw can be screwed with the screwing member 132 to drive the first screw to move in the height direction z, thereby adjusting the height difference h between the two poles 212 .

[0059] It should be understood that the screw member 132 may also be disposed at one end of the first screw rod close to the clamping mechanism 120 and used to support the first top cover assembly 210 , and also facilitates adjusting the height difference h between the two poles 212 .

[0060] like Figure 3 and Figure 4 As shown, in one embodiment, the clamping mechanism 120 further includes a pressing arm 124 and a pressing member 122 . The pressing member 122 is disposed at one end of the pressing arm 124 . The pressing arm 124 can move relative to the body 110 to drive the pressing member 122 to press against the connecting piece 400 .

[0061] It is understandable that after adjusting the height difference h between the two poles 212 by the adjusting member 131, the pressing member 122 is driven by the pressing arm 124 to press against the connecting piece 400, and then the connecting piece 400 is welded to the two poles 212, and then the DOE test after welding is performed.

[0062] like Figure 3 and Figure 4As shown, further, the clamping mechanism 120 also includes a clamping assembly 121, which is arranged on the main body 110 and connected to the part of the pressure arm 124 away from the pressure piece 122. The clamping assembly 121 is used to drive the pressure arm 124 to rotate relative to the main body 110 to drive the pressure piece 122 to press against the connecting plate 400.

[0063] In this embodiment, the clamping assembly 121 can drive the pressure arm 124 to rotate relative to the main body 110, thereby driving the clamping piece 122 to press against the connecting piece 400. The clamping assembly 121 can make the clamping piece 122 press against the connecting piece 400 more stably, so as to facilitate the subsequent welding of the connecting piece 400 and the two poles 212, thereby performing subsequent DOE tests.

[0064] like Fig.10 and Fig.11 As shown, further, the clamping assembly 121 includes a base 1211, a locking member 1212 and an operating member 1213, the base 1211 is arranged on the main body 110, the end of the pressure arm 124 away from the clamping member 122 is hinged to the base 1211, one end of the locking member 1212 is hinged to the part of the pressure arm 124 away from the clamping member 122, and the locking member 1212 and the base 1211 are hinged at different positions on the pressure arm 124, the operating member 1213 has a first end 12131 and a second end 12132, the first end 12131 is hinged to the base 1211, and the first end 12131 and the pressure arm 124 are hinged at different positions on the base 1211, and the second end 12132 is hinged to one end of the locking member 1212 away from the pressure arm 124.

[0065] It is understandable that after the first top cover assembly 210 and the second top cover assembly 310 are placed on the body 110 respectively, the locking member 1212 is driven to move by the operating member 1213, thereby driving the pressure arm 124 to rotate relative to the base 1211, so as to achieve the pressing of the pressing member 122 against the connecting piece 400. At this time, the locking member 1212 can abut the pressure arm 124, so that the pressing member 122 remains in a pressed state, so as to facilitate the subsequent welding of the connecting piece 400 and the two poles 212, so as to carry out the subsequent DOE test. After the DOE test is completed, the locking member 1212 can be driven to reset by the operating member 1213 to release the locking member 1212 from abutting the pressure arm 124, so that the pressing member 122 releases the connecting piece 400.

[0066] It should be understood that the clamping assembly 121 is not limited to the structure in the above-mentioned embodiment. In other embodiments, the clamping assembly 121 may also be a combination of a lever and a hinge seat, and the middle part of the lever is hinged on the hinge seat. The lever can also drive the pressure arm 124 to move, so that the pressure arm 124 drives the clamping member 122 to press against the connecting plate 400. No specific limitation is made to the structure of the clamping assembly 121 herein.

[0067] like Fig.10 and Fig.11 As shown, further, the clamping mechanism 120 also includes a threaded fastening assembly 123, the threaded fastening assembly 123 includes a second screw 1231, a first adjusting nut 1232 and a second adjusting nut 1233, and a second threaded hole 1241 is provided at one end of the pressing arm 124 away from the clamping assembly 121, that is, a second threaded hole 1241 is provided at one end of the pressing arm 124 close to the pressing member 122, the pressing member 122 is provided at one end of the second screw 1231, the second screw 1231 is penetrated through the second threaded hole 1241 and is threadedly connected to the pressing arm 124, the first adjusting nut 1232 is sleeved on a portion of the second screw 1231 away from the pressing member 122, and is located on a side of the pressing arm 124 away from the pressing member 122, and the second adjusting nut 1233 is sleeved on a portion of the second screw 1231 away from the pressing member 122, and is located on a side of the pressing arm 124 facing the pressing member 122.

[0068] In this embodiment, since the second screw rod 1231 is threadedly connected to the pressing arm 124, the first adjusting nut 1232 and the second adjusting nut 1233 are respectively sleeved on the portion of the second screw rod 1231 away from the pressing member 122, and the first adjusting nut 1232 is located on the side of the pressing arm 124 away from the pressing member 122, and the second adjusting nut 1233 is located on the side of the pressing arm 124 facing the pressing member 122. In this way, the second screw rod 1231 can be moved relative to the pressing arm 124 by screwing the second screw rod 1231, so as to adjust the position of the pressing member 122 relative to the pressing arm 124, so as to adjust the pressing force of the pressing member 122 when pressing the connecting piece 400, so that the pressing force applied by the pressing member 122 on the connecting piece 400 can meet the requirements of welding the connecting piece 400 and the pole 212. In addition, the second screw 1231 can be locked by the first adjusting nut 1232 and the second adjusting nut 1233, reducing the possibility of the second screw 1231 moving relative to the pressure arm 124 in the height direction z during the DOE test, which is beneficial to improving the accuracy of the DOE test.

[0069] like Figure 4 and Figure 5 As shown, further, the pressing member 122 includes a hard layer 1222 and an elastic layer 1223 connected to each other, and a side of the elastic layer 1223 facing away from the hard layer 1222 is used to press against the connecting sheet 400 .

[0070] For example, the elastic layer 1223 may be a layered structure having elasticity, such as a silicone layer or a rubber layer, and the hard layer 1222 may be a layered structure having no elasticity, such as a metal layer or a hard plastic layer.

[0071] In this embodiment, since the elastic layer 1223 has elastic deformation capability, the elastic layer 1223 is pressed against the connecting piece 400, which can improve the contact tightness between the pressing member 122 and the connecting piece 400, making the distribution of the pressing force more uniform. At the same time, it can also avoid the rigid contact between the pressing member 122 and the connecting piece 400, so that the connecting piece 400 can be pressed and protected from damage, thereby improving the accuracy of the DOE test.

[0072] like Figure 4 and Figure 5 As shown, further, the pressing member 122 is a cylindrical pressing block, and the side of the cylindrical pressing block facing the body 110 is a pressing plane 1221, and the pressing plane 1221 is used for surface contact with the connecting piece 400.

[0073] In this embodiment, since the clamping piece 122 is in surface contact with the connecting piece 400 through the clamping plane 1221, the fit between the clamping piece 122 and the connecting piece 400 can be increased, so that the clamping force applied by the clamping piece 122 on the connecting piece 400 is more evenly distributed and the clamping effect is better, so as to facilitate the subsequent welding of the connecting piece 400 and the two poles 212, thereby conducting a DOE test.

[0074] Of course, for the above embodiment, the pressing member 122 may also be a prismatic pressing block, such as a triangular prism, a quadrangular prism, a pentagonal prism, a hexagonal prism, etc., and no specific limitation is imposed on the shape of the pressing member 122.

[0075] like Figure 3 , Figure 8 and Fig. 9 As shown, in one embodiment, the main body 110 also includes a connected end plate portion 112 and a positioning portion 113, the clamping mechanism 120 is arranged on the end plate portion 112, the adjustment mechanism 130 is arranged on the positioning portion 113, the end plate portion 112 and the positioning portion 113 are enclosed to form a limiting groove 1124, and the limiting groove 1124 is used to accommodate at least a portion of the first top cover assembly 210 and at least a portion of the second top cover assembly 310.

[0076] In the present embodiment, since a limiting groove 1124 is provided on the main body 110, the limiting groove 1124 is used to accommodate at least a portion of the first top cover assembly 210 and at least a portion of the second top cover assembly 310, thereby increasing the stability of the first top cover assembly 210 and the second top cover assembly 310, thereby limiting the horizontal displacement of the first top cover assembly 210 and the second top cover assembly 310 relative to the main body 110, which is beneficial to improving the accuracy of the DOE test.

[0077] like Figure 3 , Figure 8 and Fig. 9As shown, further, the body 110 further includes a surrounding plate portion 111 , which is connected to a side of the end plate portion 112 facing away from the clamping mechanism 120 , and the surrounding plate portion 111 and the end plate portion 112 together define an open cavity 1111 .

[0078] In this embodiment, by providing a surrounding plate portion 111 on the side of the end plate portion 112 away from the clamping mechanism 120, the surrounding plate portion 111 can increase the height of the end plate portion 112, thereby facilitating the placement and transfer of the main body 110 to facilitate the DOE test.

[0079] It should be noted that when the positioning portion 113 is provided with a first positioning hole 1121 and a second positioning hole 1122 passing therethrough, the open cavity 1111 is respectively connected to the first positioning hole 1121 and the second positioning hole 1122, and is used to accommodate a partial structure of the first top cover assembly 210 and a partial structure of the second top cover assembly 310, so as to facilitate the positioning and limiting of the first top cover assembly 210 and the second top cover assembly 310.

[0080] Exemplarily, the open cavity 1111 is used to receive the lower plastic of the first top cover assembly 210 and the lower plastic of the second top cover assembly 310 .

[0081] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0082] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A welding verification tool, characterized in that: Having a height direction (z), the welding verification tool comprises: A body (110) for accommodating a first top cover assembly (210) and a second top cover assembly (310); an adjusting mechanism (130) disposed on the body (110), the adjusting mechanism (130) comprising an adjusting member (131), the adjusting member (131) being movable relative to the body (110) in the height direction (z), and the adjusting member (131) being used to support the first top cover assembly (210); The clamping mechanism (120) is arranged on the main body (110) and is arranged close to the adjusting mechanism (130). The clamping mechanism (120) is used to press against the connecting piece (400) above the first top cover assembly (210).

2. The welding verification tool according to claim 1, characterized in that: The main body (110) is provided with a first positioning hole (1121) and a second positioning hole (1122) in the height direction (z); the first top cover assembly (210) is located at the first positioning hole (1121); the second top cover assembly (310) is located at the second positioning hole (1122); a plurality of adjusting members (131) are provided, and the plurality of adjusting members (131) are provided on the main body (110) along the periphery of the first positioning hole (1121).

3. The welding verification tool according to claim 2, characterized in that: A plurality of extension portions (114) are provided on the main body (110) along the periphery of the first positioning hole (1121), and the plurality of extension portions (114) respectively extend in a direction close to the first top cover assembly (210), and each of the extension portions (114) is provided with an adjustment member (131).

4. The welding verification tool according to claim 2, characterized in that: The adjusting member (131) is a first screw rod, and a plurality of first threaded holes (1123) are arranged on the body (110) along the periphery of the first positioning hole (1121), and each of the first screw rods is inserted into one of the first threaded holes (1123) and is threadedly connected to the body (110).

5. The welding verification tool according to claim 4, characterized in that: The adjustment mechanism (130) further comprises a screwing member (132), wherein the screwing member (132) is arranged at an end of the first screw rod away from the clamping mechanism (120), and the end of the first screw rod away from the screwing member (132) is used to support the first top cover assembly (210).

6. The welding verification tool according to any one of claims 1 to 5, characterized in that: The clamping mechanism (120) comprises a pressing arm (124) and a pressing member (122), wherein the pressing member (122) is arranged at one end of the pressing arm (124), and the pressing arm (124) is capable of moving relative to the body (110) to drive the pressing member (122) to press against the connecting piece (400).

7. The welding verification tool according to claim 6, characterized in that: The clamping mechanism (120) further comprises a clamping assembly (121), wherein the clamping assembly (121) is arranged on the main body (110) and is connected to a portion of the pressing arm (124) away from the pressing member (122), and the clamping assembly (121) is used to drive the pressing arm (124) to rotate relative to the main body (110) so as to drive the pressing member (122) to press against the connecting piece (400).

8. The welding verification tool according to claim 6, characterized in that: The clamping mechanism (120) further comprises a threaded fastening assembly (123), wherein the threaded fastening assembly (123) comprises a second screw rod (1231), and a second threaded hole (1241) is provided at one end of the pressing arm (124) close to the pressing member (122), and the pressing member (122) is provided at one end of the second screw rod (1231), and the second screw rod (1231) is passed through the second threaded hole (1241) and is threadedly connected to the pressing arm (124).

9. The welding verification tool according to claim 6, characterized in that: The pressing member (122) comprises a hard layer (1222) and an elastic layer (1223) which are connected to each other, and a side of the elastic layer (1223) facing away from the hard layer (1222) is used to press against the connecting sheet (400).

10. The welding verification tool according to any one of claims 1 to 5, characterized in that: The main body (110) includes an end plate portion (112) and a positioning portion (113) connected to each other, the clamping mechanism (120) is arranged on the end plate portion (112), the adjustment mechanism (130) is arranged on the positioning portion (113), the positioning portion (113) and the end plate portion (112) are combined to form a limiting groove (1124), and the limiting groove (1124) is used to accommodate at least a portion of the first top cover assembly (210) and at least a portion of the second top cover assembly (310).

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