Lithium battery puncture detection equipment

Abstract

The utility model relates to the technical field of lithium battery detection, in particular to lithium battery puncture detection equipment, which comprises a protection box, a placement table and a puncture assembly, the placement table is fixedly mounted in the protection box, and the puncture assembly comprises a guide rail, a moving seat, a vertical column, a cross arm, a mounting block, a puncture needle, a cross member, a longitudinal member and a driving member. The guide rail is fixedly installed in the protection box, the moving seat is slidably installed on the guide rail, the stand column is fixedly connected with the moving seat and located on the side, away from the guide rail, of the moving seat, the cross arm is slidably connected with the stand column and located on the side, away from the moving seat, of the stand column, the installation block is slidably installed on the cross arm, and the puncture needle is fixedly connected with the installation block. The transverse component drives the moving seat to move, the longitudinal component drives the mounting block to move, the driving component drives the transverse arm to ascend and descend, and the problems that in the prior art, due to the fact that the position of a drill bit is relatively fixed, the drill bit cannot move, and the puncture position cannot be adjusted according to detection requirements are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery detection, in particular to a lithium battery puncture detection device. Background Art

[0002] The puncture test is an internal short-circuit test method. It is a safety test for testing the internal short-circuit tolerance of lithium-ion batteries. It uses a steel needle to penetrate the battery to simulate an internal short circuit and confirm whether the battery smokes, catches fire, or ruptures. This test is relatively dangerous and the personal safety of the tester must be guaranteed.

[0003] Prior art CN216560917U discloses a puncture device for lithium battery detection, including a workbench, a protective box fixed on the top of the workbench, and a fixing mechanism placed on the top of the workbench, the fixing mechanism including a placement plate, fixing rods penetrating and fixed at both ends of the outer walls of both sides of the placement plate, fixing plates plugged and fixed at both ends of the fixing rods, and a clamping plate arranged between the placement plate and the fixing plate. The utility model forms a closed protective structure through the cooperation of the protective box, protective plate and protective frame, which can well isolate the human body from the lithium battery when performing lithium battery puncture. The two thicker protective plates play a role in reinforcing the front of the protective box, and the inner wall of the protective frame reinforces the observation port with a steel mesh and explosion-proof glass, so that the health and safety of the human body can be well protected when performing observation puncture.

[0004] With regard to the prior art lithium battery testing puncture equipment, since the drill bit is relatively fixed and cannot be moved, the puncture position cannot be adjusted according to the testing requirements. Utility Model Content

[0005] The utility model aims to provide a lithium battery puncture detection device, which solves the problem in the prior art that the position of the drill bit is relatively fixed and cannot be moved, and the puncture position cannot be adjusted according to the detection requirements.

[0006] To achieve the above-mentioned purpose, the utility model provides a lithium battery puncture detection device, including a protective box, a placement table and a puncture assembly, the placement table is fixedly installed in the protective box, the puncture assembly includes a guide rail, a movable seat, a column, a cross arm, a mounting block, a puncture needle, a transverse member, a longitudinal member and a driving member, the guide rail is fixedly connected to the protective box and is located on a side of the protective box close to the placement table, the movable seat is slidably installed on the guide rail, the column is fixedly connected to the movable seat and is located on a side of the movable seat away from the guide rail, the cross arm is slidably connected to the column and is located on a side of the column away from the movable seat, the mounting block is slidably installed on the cross arm, the puncture needle is fixedly connected to the mounting block and is located on a side of the mounting block close to the placement table, the cross member drives the movable seat to move, the longitudinal member drives the mounting block to move, and the driving member drives the cross arm to rise and fall.

[0007] Among them, the transverse member includes a connecting block, a transverse screw and a transverse motor, the connecting block is fixedly connected to the movable seat and is located on the side of the movable seat away from the column; the transverse motor is installed in the protective box and is located on the side of the protective box close to the connecting block; the transverse screw is fixedly connected to the output shaft of the transverse motor and is threadedly connected to the connecting block.

[0008] Wherein, the longitudinal component includes a longitudinal screw and a longitudinal motor, the longitudinal screw is rotationally connected to the cross arm and threadedly connected to the mounting block; the longitudinal motor is installed on the cross arm, and the longitudinal screw is fixedly connected to the output shaft of the longitudinal motor.

[0009] Wherein, the driving component includes a lifting screw and a lifting motor, the lifting screw is rotatably connected to the column and threadedly connected to the cross arm; the lifting motor is installed on the column, and the lifting screw is fixedly connected to the output shaft of the lifting motor.

[0010] Among them, the puncture assembly also includes a clamping component, which includes a first clamping plate, a second clamping plate, a clamping screw and a clamping motor, the first clamping plate is slidably connected to the placement table and is located on the top of the placement table; the second clamping plate is slidably connected to the placement table and is located on the side of the second clamping plate close to the first clamping plate; the clamping screw is threadedly connected to the first clamping plate and the second clamping plate respectively; the clamping motor is installed in the protective box, and the clamping screw is fixedly connected to the output shaft of the clamping motor.

[0011] The utility model provides a lithium battery puncture detection device, comprising a protection box, a placement table and a puncture assembly, wherein the placement table is fixedly installed in the protection box, and the puncture assembly comprises a guide rail, a movable seat, a column, a cross arm, a mounting block, a puncture needle, a cross member, a longitudinal member and a driving member, the guide rail is fixedly connected to the protection box and is located at a side of the protection box close to the placement table, the movable seat is slidably mounted on the guide rail, the column is fixedly connected to the movable seat and is located at a side of the movable seat away from the guide rail, the cross arm is slidably connected to the column and is located at a side of the column away from the movable seat, the mounting block is slidably mounted on the cross arm, the puncture needle is fixedly connected to the mounting block and is located at a side of the mounting block close to the placement table, the cross member drives the movable seat to move, the longitudinal member drives the mounting block to move, and the driving member drives the cross arm to rise and fall, thereby solving the problem in the prior art that the position of the drill bit is relatively fixed and cannot be moved, and the puncture position cannot be adjusted according to the detection requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of a lithium battery puncture detection device according to the first embodiment of the utility model.

[0014] Figure 2 It is a schematic structural diagram of the transverse member and the longitudinal member of the first embodiment of the utility model.

[0015] Figure 3 It is a schematic diagram of the overall structure of a lithium battery puncture detection device according to the second embodiment of the utility model.

[0016] In the figure: 101-protection box, 102-placing table, 103-guide rail, 104-moving seat, 105-column, 106-cross arm, 107-mounting block, 108-puncture needle, 109-connecting block, 110-transverse screw, 111-transverse motor, 112-longitudinal screw, 113-longitudinal motor, 114-lifting screw, 115-lifting motor, 201-first splint, 202-second splint, 203-clamping screw, 204-clamping motor. DETAILED DESCRIPTION

[0017] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0018] The first embodiment of the present application is:

[0019] See also Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of the overall structure of a lithium battery puncture detection device according to the first embodiment of the utility model. Figure 2 It is a schematic structural diagram of the transverse member and the longitudinal member of the first embodiment of the utility model.

[0020] The utility model is used for lithium battery puncture detection equipment, including a protective box 101, a placement table 102, a guide rail 103, a movable seat 104, a column 105, a cross arm 106, a mounting block 107, a puncture needle 108, a connecting block 109, a transverse screw 110, a transverse motor 111, a longitudinal screw 112, a longitudinal motor 113, a lifting screw 114, and a lifting motor 115, which solves the problem that the drill bit is relatively fixed in position and cannot be moved, and the puncture position cannot be adjusted according to the detection requirements. It can be understood that the pinching book solution can also be used to improve the accuracy and reliability of the test.

[0021] In this embodiment, the protective box 101 is a rectangular box with a door on the front (not shown in the drawings), and the placement table 102 is a rectangular body for placing lithium batteries, which are installed in the protective box 101 through the puncture assembly, thereby solving the problem in the prior art that the position of the drill bit is relatively fixed and cannot be moved, and the puncture position cannot be adjusted according to the detection requirements.

[0022] The guide rail 103 is fixedly connected to the protection box 101 and is located on a side of the protection box 101 close to the placement table 102. The movable seat 104 is slidably mounted on the guide rail 103. The column 105 is fixedly connected to the movable seat 104 and is located on a side of the movable seat 104 away from the guide rail 103. The cross arm 106 is slidably connected to the column 105 and is located on a side of the column 105 away from the movable seat 104. The mounting block 107 is slidably mounted on the cross arm 106. The puncture needle 108 is fixedly connected to the mounting block 107. The movable seat 104 is fixedly connected and is located on a side of the mounting block 107 close to the placement table 102. The transverse member drives the movable seat 104 to move, the longitudinal member drives the mounting block 107 to move, the driving member drives the cross arm 106 to rise and fall, the guide rail 103 is a T-shaped guide rail 103 arranged along the length direction of the placement table 102, the bottom of the movable seat 104 has a slide groove matching the guide rail 103, the movable seat 104 is slidably installed on the guide rail 103 through the slide groove, the column 105 is vertically installed on the movable seat 104, the column The cross arm 106 is provided with a sliding groove along the length direction, and a protrusion matching the sliding groove is provided at the end of the cross arm 106. The cross arm 106 is installed on the column 105 through the sliding groove. The cross arm 106 is a hollow structure. A limiting groove is provided on the inner wall of the cross arm 106. The two sides of the mounting block 107 are provided with protrusions, and the protrusions cooperate with the limiting grooves so that the mounting block 107 can slide on the cross arm 106. The puncture needle 108 is installed on the mounting block 107 with the needle tip facing downward for puncturing the lithium battery. The transverse member is used to drive The movable seat 104 is driven to move horizontally, the longitudinal member is used to drive the mounting block 107 to move longitudinally, and the driving member is used to drive the horizontal arm 106 to move up and down, and the puncture needle 108 is driven to puncture the lithium battery through the lifting and lowering of the horizontal arm 106. Through the movement of the movable seat 104 and the movement of the mounting block 107, the puncture needle 108 can move in the X and Y axis directions to adjust the puncture position, which solves the problem that the drill bit is relatively fixed and cannot be moved, and the puncture position cannot be adjusted according to the detection requirements in the prior art.

[0023] Secondly, the connecting block 109 is fixedly connected to the moving seat 104 and is located on the side of the moving seat 104 away from the column 105; the transverse motor 111 is installed in the protective box 101 and is located on the side of the protective box 101 close to the connecting block 109; the transverse screw 110 is fixedly connected to the output shaft of the transverse motor 111 and is threadedly connected to the connecting block 109. The transverse screw 110 is installed on the inner bottom of the protective box 101 through a bearing bracket. The connecting block 109 has a threaded through hole. The transverse screw 110 passes through the threaded through hole and is threadedly connected to the connecting block 109. The transverse motor 111 is fixed in the protective box 101 by bolts to drive the transverse screw 110 to rotate. The transverse screw 110 is driven to rotate by the transverse motor 111, thereby driving the moving seat 104 to move.

[0024] At the same time, the longitudinal screw 112 is rotationally connected to the cross arm 106 and is threadedly connected to the mounting block 107; the longitudinal motor 113 is installed on the cross arm 106, and the longitudinal screw 112 is fixedly connected to the output shaft of the longitudinal motor 113. A mounting hole is opened on the cross arm 106, and the longitudinal screw 112 passes through the mounting hole and is connected to the cross arm 106 through a bearing. The mounting block 107 has a threaded through hole, and the longitudinal screw 112 passes through the threaded through hole and is threadedly connected to the mounting block 107. The longitudinal motor 113 is fixed to the cross arm 106 by bolts, and is used to drive the longitudinal screw 112 to rotate. The longitudinal screw 112 is driven to rotate by the longitudinal motor 113, thereby driving the mounting block 107 to move.

[0025] In addition, the lifting screw 114 is rotatably connected to the column 105 and is threadedly connected to the cross arm 106; the lifting motor 115 is installed on the column 105, and the lifting screw 114 is fixedly connected to the output shaft of the lifting motor 115. The column 105 is provided with a mounting hole, and the lifting screw 114 passes through the mounting hole and is installed in the sliding groove of the column 105 through a bearing. The cross arm 106 has a threaded through hole, and the lifting screw 114 passes through the threaded through hole to be threadedly connected to the cross arm 106. The lifting motor 115 is fixed to the top of the column 105 by bolts, which is used to drive the lifting screw 114 to rotate, and the lifting screw 114 is driven to rotate by the lifting motor 115, thereby driving the cross arm 106 to rise and fall.

[0026] In this embodiment, when in use, the lithium battery is placed on the placement table 102, and then the puncture needle 108 is driven to move to the designated point by controlling the movement of the transverse motor 111 and the longitudinal motor 113. After that, the lifting motor 115 is controlled to drive the cross arm 106 to move downward until the puncture needle 108 penetrates the lithium battery to achieve puncture detection of the lithium battery. By controlling the movement of the transverse motor 111 and the longitudinal motor 113, the puncture needle 108 can be flexibly moved, thereby solving the problem in the prior art that the position of the drill bit is relatively fixed and cannot be moved, and the puncture position cannot be adjusted according to the detection requirements.

[0027] The second embodiment of the present application is:

[0028] See also Figure 3 , Figure 3 It is a schematic diagram of the overall structure of the lithium battery puncture detection device of the second embodiment of the utility model. On the basis of the first embodiment, the lithium battery puncture detection device of this embodiment further includes a first clamping plate 201, a second clamping plate 202, a clamping screw 203 and a clamping motor 204.

[0029] In this embodiment, the puncture assembly further includes a clamping member, which includes a first clamping plate 201, a second clamping plate 202, a clamping screw 203 and a clamping motor 204. The above scheme can be used to clamp and fix the lithium battery.

[0030] Among them, the first clamping plate 201 is slidably connected to the placing table 102 and is located on the top of the placing table 102; the second clamping plate 202 is slidably connected to the placing table 102 and is located on the side of the second clamping plate 202 close to the first clamping plate 201; the clamping screw 203 is threadedly connected to the first clamping plate 201 and the second clamping plate 202 respectively; the clamping motor 204 is installed in the protective box 101, and the clamping screw 203 is fixedly connected to the output shaft of the clamping motor 204. A sliding groove is provided on the placing table 102, and the first clamping plate 201 and the second clamping plate 202 are both installed on the placing table 102 through the sliding groove. The first clamping plate 201 and the second clamping plate 202 Both have threaded through holes, and the two ends of the clamping screw 203 are connected to the placement table 102 through bearings and are located in the sliding groove. The clamping screw 203 has a positive thread and a negative thread. The positive thread and the negative thread are two opposite threads, which are symmetrically distributed at the two ends of the clamping screw 203. The first clamping plate 201 and the second clamping plate 202 are respectively mounted on the positive thread and the negative thread. The clamping motor 204 is fixed to the inner bottom of the protective box 101 by bolts, and is used to drive the clamping screw 203 to rotate. The clamping screw 203 is driven to rotate by the clamping motor 204, driving the first clamping plate 201 and the second clamping plate 202 to move closer at the same time, thereby achieving clamping and fixing of the lithium battery.

[0031] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A lithium battery puncture detection device, comprising a protective box and a placement table, wherein the placement table is fixedly installed in the protective box, characterized in that: Also included is a puncture assembly; The puncture assembly includes a guide rail, a movable seat, a column, a cross arm, a mounting block, a puncture needle, a cross member, a longitudinal member and a driving member. The guide rail is fixedly connected to the protection box and is located on a side of the protection box close to the placement table. The movable seat is slidably mounted on the guide rail. The column is fixedly connected to the movable seat and is located on a side of the movable seat away from the guide rail. The cross arm is slidably connected to the column and is located on a side of the column away from the movable seat. The mounting block is slidably mounted on the cross arm. The puncture needle is fixedly connected to the mounting block and is located on a side of the mounting block close to the placement table. The cross member drives the movable seat to move, the longitudinal member drives the mounting block to move, and the driving member drives the cross arm to rise and fall.

2. The lithium battery puncture detection device according to claim 1, characterized in that: The transverse member includes a connecting block, a transverse screw and a transverse motor. The connecting block is fixedly connected to the movable seat and is located on the side of the movable seat away from the column; the transverse motor is installed in the protective box and is located on the side of the protective box close to the connecting block; the transverse screw is fixedly connected to the output shaft of the transverse motor and is threadedly connected to the connecting block.

3. The lithium battery puncture detection device according to claim 1, characterized in that: The longitudinal component includes a longitudinal screw and a longitudinal motor. The longitudinal screw is rotatably connected to the cross arm and is threadedly connected to the mounting block. The longitudinal motor is mounted on the cross arm, and the longitudinal screw is fixedly connected to the output shaft of the longitudinal motor.

4. The lithium battery puncture detection device according to claim 1, characterized in that: The driving component includes a lifting screw and a lifting motor. The lifting screw is rotatably connected to the column and is threadedly connected to the cross arm. The lifting motor is installed on the column, and the lifting screw is fixedly connected to the output shaft of the lifting motor.

5. The lithium battery puncture detection device according to claim 1, characterized in that: The puncture assembly also includes a clamping component, which includes a first clamping plate, a second clamping plate, a clamping screw and a clamping motor, the first clamping plate is slidably connected to the placement table and is located on the top of the placement table; the second clamping plate is slidably connected to the placement table and is located on a side of the second clamping plate close to the first clamping plate; the clamping screw is threadedly connected to the first clamping plate and the second clamping plate respectively; the clamping motor is installed in the protective box, and the clamping screw is fixedly connected to the output shaft of the clamping motor.

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