Device for detecting size of battery cover plate of lithium battery of new energy automobile
By designing a detection device with components such as sliders, protrusions, and scales, the problem of the inapplicability of cover plate size detection in the existing technology has been solved, enabling convenient and accurate detection of cover plates of different sizes and simplifying the assembly process in lithium battery production.
Patent Information
- Application Number
- CN202520205684.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-02-10
AI Technical Summary
Existing technologies are not applicable to the inspection of cover plates of different sizes, which leads to difficulties in assembling the cover plate and the casing during lithium battery production.
A detection device comprising a slider, a protrusion, a scale, a vent, an elastic support, and a linkage rod is designed. The size of the cover plate is detected by the sliding of the slider and the locking of the protrusion. The design of the scale and the vent ensures the accuracy and stability of the detection.
It enables convenient testing of covers of different sizes, avoids the influence of airflow, improves the accuracy and stability of testing, and simplifies the operation process.
Smart Images

Figure CN223815045U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of cover plate size detection, and specifically relates to a new energy automobile lithium battery battery cover plate size detection device. BACKGROUND
[0002] In the second section assembly link of lithium battery production, a phenomenon often appears, because the size of the shell and the cover plate is not qualified, not matching, leading to the cover plate into the shell assembly is very difficult.
[0003] Chinese patent discloses a kind of cover plate and shell size detection equipment of material size, (publication number CN 108278974 A), the patent technology can realize the automation of cover plate and shell size detection of material size, also can greatly provide the automation level of lithium battery production, but, structure auxiliary, equipment investment is big, when detecting cover plate, it cannot be suitable for cover plate detection of different sizes.Therefore, the utility model provides a kind of new energy automobile lithium battery battery cover plate size detection device to solve the problems raised in the above background technology. UTILITY MODEL CONTENT
[0004] The utility model is to provide a kind of new energy automobile lithium battery battery cover plate size detection device to solve the problems raised in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A kind of new energy automobile lithium battery battery cover plate size detection device, including bearing plate, the upper end of the left side and the rear side of bearing plate is fixed with fixed block, the front side of bearing plate is movably connected with moving block, the front side of moving block is equipped with the sliding slot in left-right direction, sliding block is slidably connected in sliding slot, the rear side of sliding block is equipped with 0.2-0.4mm protruding block, change width, when cover plate is too long, sliding block is hindered by cover plate, and it cannot slide, when cover plate is too short, sliding block is drawn, when cover plate is in set range, sliding block is slid, and edge is stuck protruding block, it is convenient to use, the upper side of the right end of bearing plate is equipped with two parallel grooves, U type rod is slidably connected in parallel groove, U type rod is connected with positioning bolt by screw hole in the middle part, the front side of parallel groove is equipped with scale one;
[0007] The left side of the front side of bearing plate is fixed with scale two, the lower side of scale two is higher than moving plate, the bearing plate is evenly equipped with a plurality of air holes, the bearing plate is evenly equipped with elastic support, the right side of the bearing plate is rotatably connected with crowbar, the upper side of crowbar is connected with reset spring, the lower side of crowbar is connected with linkage rod by eccentric wheel, linkage rod is connected with elastic element, elastic element is slidably connected in recess from top to bottom, the lower side of moving plate is rotatably connected with two screw rods, the rear end of screw rod is connected with the transmission rod of winch by worm gear, winch is rotatably connected in the left side of bearing plate.
[0008] Preferably, the front side of the sliding block is provided with a groove, facilitating picking up.
[0009] Preferably, the elastic support comprises a spherical ball at the top, a base and a spring at the bottom, the spherical ball being rotatably connected to the base for buffering.
[0010] Preferably, the linkage rod is composed of two rods A and B, the two rods being rotatably connected, the rod A being rotatably connected to the pry rod, the rod B being movably connected to the bottom of the elastic member, the rod B being provided with a slot hole near the rod A, a fixing column being arranged in the slot hole, and the fixing column being fixedly connected to the bearing plate.
[0011] Preferably, the rear side of the moving plate is fixedly provided with two positioning rods, the positioning rods being in the front side hole of the bearing plate, so as to improve the stability of the moving plate.
[0012] Preferably, the lower end of the U-shaped rod is fixedly provided with a sliding block, and the sliding block is slidably connected in the parallel slot.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] 1. When the cover plate is too long, the sliding block is hindered by the cover plate and cannot slide, when the cover plate is too short, the sliding blocks slide through each other, and when the cover plate is in the set range, the sliding block is clamped by the protruding block after sliding, so that the utility model is convenient to use.
[0015] 2. The utility model avoids the influence of airflow on placement through the air vent, and the elastic support member buffers, so that the utility model is convenient to place. DRAWINGS
[0016] Figure 1 It is a structural schematic view of a new energy automobile lithium battery cover plate size detection device.
[0017] Figure 2 It is a top view structural schematic view of a new energy automobile lithium battery cover plate size detection device.
[0018] Figure 3 It is Figure 2 A-A sectional view structural schematic view.
[0019] In the figure: 1, bearing plate; 2, moving plate; 3, sliding block; 4, sliding slot; 5, fixed block; 6, air vent; 7, elastic support member; 8, U-shaped rod; 9, positioning bolt; 10, scale one;
[0020] 11, scale two; 12, lever; 13, positioning rod; 14, screw rod; 15, winch; 16, linkage rod; 17, return spring. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0022] Please refer to Figures 1 to 3 In the embodiment of the utility model, a new energy automobile lithium battery cover plate size detection device, including the bearing plate 1, the left side and the rear side of bearing plate 1's upper end are all fixed with fixed block 5, the front side movable joint of bearing plate 1 is moved block 2, the front side of moved block 2 is equipped with the sliding slot 4 of left and right direction, the sliding slot 4 is slidably connected with sliding block 3, the sliding block 3 is equipped with the convex block of 0.2-0.4mm, changes width, when cover plate is too long, sliding block is hindered by cover plate, and it is not slid, when cover plate is too short, sliding block is drawn between, when cover plate is in the set range, sliding block 3 is slid, and the edge is stuck in convex block, convenient to use, the front side of sliding block 3 is equipped with recess, and it is convenient to pick up, the upper side of the right end of bearing plate 1 is equipped with two parallel grooves, the parallel groove is slidably connected with U-shaped rod 8, the middle part of U-shaped rod 8 is connected with positioning bolt 9 through screw hole, and the front side of parallel groove is equipped with scale one 10;
[0023] The left end front side of bearing plate 1 is fixed with scale two 11, and the lower side of scale two 11 is higher than moved plate 2, a plurality of air holes 6 are evenly arranged on the bearing plate 1, and a plurality of elastic supporting members 7 are evenly arranged on the bearing plate 1, the elastic supporting member 7 includes a spherical ball at the top, a base and a spring at the bottom, the spherical ball is rotatably connected to the base, and buffering is performed, the right side of the bearing plate 1 is rotatably connected to a pry bar 12, the upper side of the pry bar 12 is connected to a return spring 17, the lower side of the pry bar 12 is connected to a linkage rod 16 through an eccentric wheel, the linkage rod 16 is connected to an elastic member, and the elastic member is slidably connected in the recess, the linkage rod 16 is composed of two rods AB, the two rods are rotatably connected, the A rod is rotatably connected to the pry bar 12, the B rod is movably connected to the bottom of the elastic member, a slot hole is arranged on the B rod close to the A rod, a fixing column is arranged in the slot hole, and the fixing column is fixedly connected to the bearing plate 1, the lower side of the moved plate 2 is rotatably connected to two screw rods 14, the rear end of the screw rod 14 is connected to the transmission rod of a winch 15 through a worm gear, the winch 15 is rotatably connected to the left side of the bearing plate 1, two positioning rods 13 are fixed to the rear side of the moved plate 2, the positioning rods 13 are in the front side hole of the bearing plate 1, and the stability of the moved plate 2 is improved, and the lower end of the U-shaped rod 8 is fixed with a sliding block, and the sliding block is slidably connected in the parallel groove.
[0024] The working principle of the utility model is:
[0025] In use, when the size of the cover plate of the lithium battery of the new energy vehicle is detected, the cover plate is placed on the bearing plate 1 and abuts against the fixed block 5, and the rear side and the left side are positioned; when measuring, the set length of the front and rear sides is set first, so that the number of the rear edge of the sliding groove 4 on the scale 11 is the set value.
[0026] After the cover plate is placed, the air hole 6 avoids the influence of airflow on the placement, the elastic support 7 buffers, the placement is facilitated, the sliding U-shaped rod 8 is slid, the width of the left and right sides is observed through the scale 10, and when the front and rear lengths are measured, the sliding blocks 3 are slid from the left and right sides respectively; when the cover plate is too long, the sliding blocks are hindered by the cover plate and cannot slide; when the cover plate is too short, the sliding blocks slide through each other; and when the cover plate is in the set range, the sliding blocks 3 slide and the edges are clamped on the protruding blocks, so that the use is convenient.
[0027] When the front and rear widths need to be adjusted, the winch 15 is rotated to change the position of the moving block 2, and the scale 11 is observed.
[0028] The above is only the preferred specific implementation mode of the present application, but the protection scope of the present application is not limited to this; any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, and all of them should be covered in the protection scope of the present application.
Claims
1. A device for detecting the size of a lithium battery cover plate for a new energy vehicle, comprising a support plate (1), wherein fixing blocks (5) are fixed to the upper ends of the left and rear sides of the support plate (1), characterized in that, The front side of the bearing plate (1) is movably connected to the movable plate (2). The front side of the movable plate (2) is provided with a left-right sliding groove (4). The sliding groove (4) is slidably connected to the slider (3). The rear side of the slider (3) is provided with a protrusion. The upper right side of the bearing plate (1) is provided with two parallel grooves. The parallel grooves are slidably connected to the U-shaped rod (8). The middle part of the U-shaped rod (8) is connected to the positioning bolt (9) through the screw hole. The front side of the parallel groove is provided with a scale (10). The left front end of the support plate (1) is fixed with a scale two (11), the lower side of the scale two (11) is higher than the moving plate (2), the support plate (1) is evenly provided with a number of ventilation holes (6), the support plate (1) is evenly provided with elastic support members (7), the right side of the support plate (1) is rotatably connected to a pry bar (12), the upper side of the pry bar (12) is connected to a reset spring (17), the lower side of the pry bar (12) is connected to a linkage rod (16) through an eccentric wheel, the linkage rod (16) is connected to an elastic member, the elastic member slides up and down in the groove, the lower side of the moving plate (2) is rotatably connected to two screws (14), the rear end of the screws (14) is connected to the transmission rod of the winch (15) through a worm gear, and the winch (15) is rotatably connected to the left side of the support plate (1).
2. The device for detecting the size of a lithium battery cover plate for a new energy vehicle according to claim 1, characterized in that, The front side of the slider (3) is provided with a groove.
3. The device for detecting the size of a lithium battery cover plate for a new energy vehicle according to claim 1, characterized in that, The elastic support (7) includes a ball at the top, a base and a spring at the bottom, with the ball rotatably connected to the base.
4. The device for detecting the size of a lithium battery cover plate for a new energy vehicle according to claim 1, characterized in that, The linkage rod (16) consists of two rods, A and B, which are rotatably connected. Rod A is rotatably connected to the pry bar (12), and rod B is movably connected to the bottom of the elastic element. Rod B has a slot near rod A, and a fixing post is provided in the slot. The fixing post is fixedly connected to the bearing plate (1).
5. The device for detecting the size of a lithium battery cover plate for a new energy vehicle according to claim 1, characterized in that, Two positioning rods (13) are fixed to the rear side of the movable plate (2), and the positioning rods (13) are in the front hole of the bearing plate (1).
6. The device for detecting the size of a lithium battery cover plate for a new energy vehicle according to claim 1, characterized in that, The lower end of the U-shaped rod (8) is fixed with a slider, which is slidably connected in the parallel groove.
Citation Information
Patent Citations
Dimension detection device for incoming cover plate and shell materials
CN108278974A