CN223742181U - A lithium battery welding process inspection fixture - Google Patents

Abstract

The utility model relates to the technical field of lithium batteries and discloses a lithium battery welding process inspection tool which comprises an upper cover, a base and a test assembly, wherein the base is arranged at the bottom of the upper cover, the test assembly is arranged in the base and comprises a spring arranged in the base, one end of the spring is provided with a movable block, a speed reducing block is arranged in the base, and a push rod is arranged in the base.

Description

Lithium battery welding process inspection tool

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a lithium battery welding process inspection tool.

Background

Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or lithium alloy as a positive/negative electrode material, in which movement of lithium ions between positive and negative electrodes is mainly relied upon to store and release energy, and conventionally, lithium batteries use lithium metal or lithium alloy as a negative electrode, however, modern lithium ion batteries generally use graphite or other carbon materials as a negative electrode, which can reversibly intercalate and deintercalate lithium ions, in view of safety and performance, and the choice of positive electrode materials is varied, including lithium cobaltate, lithium manganate, lithium iron phosphate, and nickel cobalt manganese ternary materials, etc., which can reversibly release and accept lithium ions during charge and discharge.

At present, in the production manufacturing process of the lithium battery, welding operation is needed to be carried out on metal wires of the lithium battery, meanwhile, the metal wire welding (aluminum, copper, gold, silver and the like) precision of the lithium battery is high, the process is complex, the cost is high, welding strength inspection is needed to be carried out quickly after the welding is finished, inspection requirements are different for different specifications of different metal wires, and when partial welding strength inspection equipment is used, the inspection equipment is needed to be customized for the metal wires with different specifications and different types, so that the inspection cost is high.

Disclosure of utility model

The utility model aims to provide a lithium battery welding process inspection tool, which aims to solve the problem that inspection equipment needs to be customized after welding of metal wires of a lithium battery is completed, so that inspection cost is high.

In order to achieve the purpose, the utility model provides the technical scheme that the lithium battery welding process inspection tool comprises an upper cover and further comprises:

The base is arranged at the bottom of the upper cover;

The test assembly is arranged inside the base and comprises a spring arranged inside the base, one end of the spring is provided with a moving block, the inside of the base is provided with a speed reducing block, and the inside of the base is provided with a push rod.

Preferably, one end fixedly connected with kicking block of push rod, the spacing groove that uses with the push rod cooperation is seted up to the inside of base, the inner wall in spacing groove and the outside sliding connection of push rod.

Preferably, a sliding groove matched with the top block is formed in the base, the inner wall of the sliding groove is in sliding connection with the outer side of the top block, and one side of the inner wall of the sliding groove is fixedly connected with one side of the speed reducing block.

Preferably, a connecting plate is fixedly connected to one side, away from the push rod, of the top block, and one end, away from the top block, of the connecting plate is fixedly connected with one side of the moving block.

Preferably, a placing groove matched with the moving block is formed in the base, and the inner wall of the placing groove is in sliding connection with the outer side of the moving block.

Preferably, the inside of upper cover has been seted up first screw, the inside of first screw is provided with the screw, the inside of base has been seted up and has been used with the screw cooperation second screw, the quantity of screw sets up to four.

Compared with the prior art, the utility model has the following beneficial effects:

According to the utility model, by arranging the test assembly, corresponding springs are needed to be selected according to the mechanical test range of different welding materials, the push rod is stressed, the connecting plate can be driven to move through the ejector block, the moving block can be driven to move when the connecting plate moves, the springs are further compressed, when the mechanical test of the materials approaches to the upper limit, the push rod can squeeze the deceleration block, the speed of the push rod is further reduced, when the deceleration block cannot be compressed, the upper limit of the welding materials can be further detected, meanwhile, under the action of the deceleration block, the push rod can be prevented from being in direct hard contact with the inner wall of the limiting groove, and the thrust is prevented from exceeding the upper limit of the welding material standard, so that the test is wrong.

Drawings

FIG. 1 is a schematic diagram of a preferred embodiment of a testing tool for a welding process of a lithium battery according to the present utility model;

FIG. 2 is a schematic diagram of a test assembly according to the present utility model;

FIG. 3 is a schematic view of the connection of the screw and the upper cover structure provided by the utility model;

fig. 4 is a schematic diagram of an upper limit state of operation provided by the present utility model.

In the figure, 1, an upper cover; 2, a base, 3, a testing component, 301, a spring, 302, a moving block, 303, a speed reducing block, 304, a push rod, 4, a top block, 5, a connecting plate, 6, a placing groove, 7, a sliding groove, 8, a limiting groove, 9, a first screw hole, 10, a screw, 11 and a second screw hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a lithium battery welding process inspection tool comprises an upper cover 1, a base 2, a push rod 304 and a moving block 302, wherein the upper cover 1 is arranged, and the upper cover 1 can protect the device to prevent the push rod 304 and the moving block 302 from being separated from the base 2 in the moving process under the action of the upper cover 1; through setting up base 2, under the effect of base 2, can make push rod 304 and movable block 302 move, thereby test the intensity of welding material, set up in the inside test module 3 of base 2, through setting up test module 3, under the effect of test module 3, can test the intensity of welding material, test module 3 is including setting up in the inside spring 301 of base 2, through setting up spring 301, can change spring 301, thereby test the welding material of different specifications and different materials, the one end of spring 301 is provided with movable block 302, through setting up movable block 302, when push rod 304 moves, can make movable block 302 slide in the inside of standing groove 6, and then make spring 301 can be compressed, the inside of base 2 is provided with deceleration block 303, through setting up deceleration block 303, when kicking block 4 moves to the assigned position, the velocity of motion of kicking block 4 can be reduced, and then prevent that the inspection intensity from being too high, cause the inspection mistake, the inside of base 2 is provided with push rod 304, through setting up the push rod 304, can make movable block 302 move through pushing the intensity of pushing the butt joint material when the push rod 304 moves, can make movable block 4 move with the movable block 302.

Referring to fig. 2 and 3, one end fixedly connected with kicking block 4 of push rod 304 through setting up kicking block 4, when push rod 304 moves, can drive kicking block 4 and move in the inside of spout 7, and then make movable block 302 move, the spacing groove 8 that uses with push rod 304 cooperation is seted up to the inside of base 2, through setting up spacing groove 8, when can making push rod 304 move under the effect of spacing groove 8, can prevent that it from breaking away from the inside of spacing groove 8 at will, and then can accomplish the inspection operation smoothly, the inner wall of spacing groove 8 and the outside sliding connection of push rod 304.

The inside of base 2 has been seted up and has been used with ejector pad 4 cooperation spout 7, through setting up spout 7, under the effect of push rod 304, can make ejector pad 4 move, and then can keep stable in the inside of spout 7 when making ejector pad 4 move, the inner wall of spout 7 and the outside sliding connection of ejector pad 4, one side of the inner wall of spout 7 and one side fixed connection of deceleration block 303, through setting up deceleration block 303, under the effect of deceleration block 303, can prevent push rod 304 and the direct hard contact of the inner wall of spacing groove 8, and then can prevent that the thrust from exceeding welding material standard upper limit.

One side fixedly connected with connecting plate 5 that push rod 304 was kept away from to kicking block 4 through setting up connecting plate 5, when push rod 304 moved, can drive kicking block 4 through connecting plate 5 and move, and then can compress spring 301, and one side fixed connection of kicking block 4 and movable block 302 is kept away from to connecting plate 5, through setting up connecting plate 5 and movable block 302, under the effect of connecting plate 5 and movable block 302, can make movable block 302 slide in the inside of standing groove 6, and then compress or stretch spring 301.

The standing groove 6 that uses with movable block 302 cooperation is offered to the inside of base 2, through setting up standing groove 6, the staff of being convenient for places spring 301, and the intensity of welding material of being convenient for simultaneously is checked, and the inner wall of standing groove 6 and the outside sliding connection of movable block 302 through setting up movable block 302 and standing groove 6, and when the inside of movable block 302 at the standing groove 6 slides, can make the motion of movable block 302 keep stable, and then makes movable block 302 can compress and stretch spring 301.

The inside of upper cover 1 has been seted up first screw 9, the inside of first screw 9 is provided with screw 10, through setting up screw 10 and first screw 9, rotate screw 10, and then make screw 10 get into the inside of first screw 9 and second screw 11, thereby make screw 10 can fix a position upper cover 1 and base 2, and then can make upper cover 1 and base 2 can connect stably, the inside of base 2 has been seted up and has been used with screw 10 cooperation second screw 11, the quantity of screw 10 sets up to four.

The working principle is that when a worker needs to perform strength test on welding materials required by a lithium battery, firstly, a corresponding spring 301 is selected according to the mechanical test range of different welding materials, then the spring 301 is placed in a designated position inside a placing groove 6, when the strength of the welding materials is tested, a push rod 304 is stressed, and then the push rod 304 can drive the top block 4 to move, when the top block 4 moves, a moving block 302 can be driven to slide inside the placing groove 6 through a connecting plate 5, when the moving block 302 moves, the spring 301 can be compressed, so that the spring 301 is compressed to enter a test standard range, the upper limit of the welding materials is close, the push rod 304 drives the top block 4 to squeeze a deceleration block 303, the speed is reduced, when the deceleration block 303 cannot be compressed, the push rod 304 can be prevented from being in direct hard contact with a base 2 under the action of the deceleration block 303, further, the fact that the pushing force exceeds the standard upper limit is prevented, and further, the worker can conveniently perform strength test on different materials and welding materials of different specifications, the test efficiency is improved, and meanwhile, the test cost is reduced, and the welding worker can perform tension test on the welding materials through the device.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A lithium battery welding process inspection fixture, comprising a top cover (1), characterized in that it further comprises: The base (2) is located at the bottom of the top cover (1); The test component (3) is set inside the base (2). The test component (3) includes a spring (301) set inside the base (2). One end of the spring (301) is provided with a moving block (302). The base (2) is provided with a deceleration block (303). The base (2) is provided with a push rod (304). 2. The lithium battery welding process inspection fixture according to claim 1, characterized in that: a top block (4) is fixedly connected to one end of the push rod (304), and a limiting groove (8) for cooperating with the push rod (304) is opened inside the base (2), and the inner wall of the limiting groove (8) is slidably connected to the outer side of the push rod (304). 3. The lithium battery welding process inspection fixture according to claim 2, characterized in that: the base (2) has a sliding groove (7) inside that cooperates with the top block (4), the inner wall of the sliding groove (7) is slidably connected to the outer side of the top block (4), and one side of the inner wall of the sliding groove (7) is fixedly connected to one side of the deceleration block (303). 4. The lithium battery welding process inspection fixture according to claim 2, characterized in that: a connecting plate (5) is fixedly connected to the side of the top block (4) away from the push rod (304), and the end of the connecting plate (5) away from the top block (4) is fixedly connected to the side of the moving block (302). 5. The lithium battery welding process inspection fixture according to claim 1, characterized in that: the base (2) has a placement groove (6) inside for use with the moving block (302), and the inner wall of the placement groove (6) is slidably connected to the outer side of the moving block (302). 6. The lithium battery welding process inspection fixture according to claim 1, characterized in that: the upper cover (1) has a first screw hole (9) inside, the first screw hole (9) is provided with a screw (10) inside, the base (2) has a second screw hole (11) inside, which is used in conjunction with the screw (10), and the number of screws (10) is set to four.