CN212844691U - Test fixture for packaging strength of lithium ion battery shell - Google Patents
Test fixture for packaging strength of lithium ion battery shell Download PDFInfo
- Publication number
- CN212844691U CN212844691U CN202021105104.6U CN202021105104U CN212844691U CN 212844691 U CN212844691 U CN 212844691U CN 202021105104 U CN202021105104 U CN 202021105104U CN 212844691 U CN212844691 U CN 212844691U
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- lithium ion
- sliding seat
- piston rod
- ion battery
- box
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Abstract
The utility model discloses a test fixture for packaging strength of lithium ion battery shells, which comprises a substrate and a comprehensive test device arranged on the substrate, wherein the comprehensive test device comprises a box-shaped body, a track plate is arranged on the substrate at the back side of the box-shaped body, the surface of the track plate is provided with a sliding seat through two parallel lead screw components, two sides of the sliding seat are provided with a pressure applying plate, a bidirectional piston rod is horizontally arranged in the middle of the sliding seat, two ends of the bidirectional piston rod are movably connected in the middle of the pressure applying plate, the bottom of the bidirectional piston rod is provided with a laser distance measuring head, a through hole is arranged on the pressure applying plate and at the relative position of the laser distance measuring head, the front surface of the box-shaped body is provided with an observation window, an industrial camera is arranged on the observation window, the left side surface and the, so that the intuitive data of the intensity can be rapidly obtained.
Description
Technical Field
The utility model relates to a lithium ion battery field specifically is a test fixture of lithium ion battery shell packing intensity.
Background
A lithium ion battery is a secondary battery (rechargeable battery) that mainly works by lithium ion movement between a positive electrode and a negative electrode, and Li + is inserted and extracted back and forth between the two electrodes during charge and discharge: during charging, Li + is extracted from the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; when discharging, the lithium battery is divided into a lithium battery and a lithium ion battery, the lithium battery is used in mobile phones and notebook computers, and is commonly called as a lithium battery, the battery generally adopts a material containing a lithium element as an electrode and is a representative of modern high-performance batteries, and the real lithium battery is rarely applied to daily electronic products due to high danger, so that the safety of using the lithium ion battery is directly influenced by the strength of a shell package of the lithium ion battery, multi-stage detection is required in the detection of the shell package of the lithium ion battery at the present stage, different detection tools are used, the detection efficiency is low, and the data analysis and formation are slow.
Disclosure of Invention
In order to overcome the not enough of prior art scheme, the utility model provides a test fixture of lithium ion battery shell packing intensity has realized the multi-angle integrated test of shell packing to can reachd the visual data of intensity fast, the problem that can effectual solution background art provide.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a test fixture of lithium ion battery shell packaging strength, includes the base plate and installs the integrated test device on the base plate, the integrated test device includes the box-shaped body, install the track board on the dorsal base plate of box-shaped body, the track board surface is through the lead screw assembly installation sliding seat of two parallels, the sliding seat both sides are provided with the board of exerting oneself, the level is provided with the two-way piston rod in the middle of the sliding seat, just two-way piston rod both ends swing joint is in the centre of the board of exerting oneself, the bottom of two-way piston rod is provided with laser rangefinder head, just the board of exerting oneself is last to be provided with the through hole with laser rangefinder head relative position, box-shaped body front surface is provided with the observation window, just be provided with.
Furthermore, the top of the two ends of the back side surface of the sliding seat is provided with a micro telescopic rod through a support, the output end of the micro telescopic rod is hinged to the top of the back side of the pressing plate, and the back sides of the pressing plates are provided with strain gauges.
Further, a driving motor of the lead screw assembly is arranged inside the base plate.
Furthermore, still be provided with the electric cabinet on the base plate, just laser rangefinder head, driving motor, two-way piston rod, miniature telescopic link, industrial camera and the equal electric connection of pressure sensor are on the electric cabinet.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a laser rangefinder head begins immediately after the sliding seat gets into the shell with the clamp plate and carries out the range finding signal transmission of implementing, laser signal passes through hole contact shell surface, and at two-way piston rod during operation, the detection shell of implementing is to the distance between the laser rangefinder head, thereby reach the thickness variation curve of shell when external force is exerted, reach shell surface strength parameter, when the clamp plate is exerted pressure to the surface of carrying out the both sides of shell packing, the state that the observation window that the industry camera will see through the glass material was carried out the implementation is caught to the surface of shell packing, and carry out the passback with image information, obtain the intensity information of shell packing under the surface stress change fast.
(2) The utility model discloses a two-way piston rod keeps last application of force intensity, the drive motor drives lead screw assembly simultaneously, make the sliding seat with execute clamp plate rebound and take out the shell packing, after shell packing breaks away from the box-shaped body completely, it is tensile and shrink respectively to be located two miniature telescopic links of executing clamp plate both sides, make two that are located the sliding seat both sides execute the clamp plate and use two-way piston rod clockwise and anticlockwise rotation as the axle center, thereby make the shell packing wholly produce deformation, and through being located the surperficial strain gauge of executing clamp plate dorsal part simulation shell packing and answering the pulling force change, thereby further reacing the whole strain intensity of shell packing.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Reference numbers in the figures:
1-a substrate; 2-a comprehensive testing device; 201-a box-shaped body; 202-a track slab; 203-lead screw assembly; 204-sliding seat; 205-a pressure applying plate; 206-a bidirectional piston rod; 207-laser ranging head; 208-a through-hole; 209-observation window; 210-an industrial camera; 211-pressure sensor; 212-a miniature telescopic rod; 213-strain gauge; 214-electric control box.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides a test fixture for packaging strength of lithium ion battery case, including a substrate 1 and a comprehensive test device 2 installed on the substrate 1, the comprehensive test device 2 includes a box-shaped body 201, a track plate 202 is installed on the substrate 1 at the back side of the box-shaped body 201, a sliding seat 204 is installed on the surface of the track plate 202 through two parallel lead screw components 203, pressure applying plates 205 are arranged at two sides of the sliding seat 204, a bidirectional piston rod 206 is horizontally arranged in the middle of the sliding seat 204, two ends of the bidirectional piston rod 206 are movably connected in the middle of the pressure applying plate 205, a laser distance measuring head 207 is arranged at the bottom of the bidirectional piston rod 206, a through hole 208 is arranged at the position opposite to the laser distance measuring head 207 on the pressure applying plate 205, an observation window 209 is arranged on the front surface of the box-shaped body 201, and an industrial, the left and right sides of the box-shaped body 201 are provided with pressure sensors 211.
The utility model carries out the comprehensive test to the strength of the package of the lithium ion battery shell by the comprehensive test device 2 arranged on the base plate 1, thereby avoiding the complex steps of using different tooling tests, and simultaneously obtaining test data more efficiently, wherein, when carrying out the test, the lithium ion battery shell is put into the box-shaped body 201, and one side which is not sealed faces to the top, the driving lead screw component 203 arranged inside the base plate 1 drives the sliding seat 204 to move downwards on the track plate 202 by the lead screw component 203, so that the whole connecting body of the sliding seat 204 and the pressing plate 205 is wedged into the package of the lithium ion battery shell from the unpacked port, when the sliding seat 204 and the pressing plate 205 completely enter the package of the lithium ion battery shell, the electric cabinet 214 arranged on the base plate 1 drives the extension of the bidirectional piston rod 206 by the electric signal instruction, so that the pressing plate 205 extrudes the package of the lithium ion, the pressure sensor 211 collects the pressure data received from the side and transmits it back to the electric control box 214.
The laser ranging head 207 starts to transmit implemented ranging signals immediately after the sliding seat 204 and the pressing plate 205 enter the shell, the laser signals contact the surface of the shell through the through holes 208, and when the bidirectional piston rod 206 works, the distance between the shell and the laser ranging head 207 is detected, so that a thickness change curve of the shell when external force is applied is obtained, a surface strength parameter of the shell is obtained, when the pressing plate 205 applies surface pressure on two sides of the shell package, the industrial camera 210 captures the implemented state of the surface of the shell package through the observation window 209 made of glass material and returns image information, and the strength information of the shell package under the surface stress change is obtained quickly.
The utility model provides a slide holder 204 dorsal surface both ends top installs miniature telescopic link 212 through the support, and the output of miniature telescopic link 212 articulates the dorsal part top of applying pressure plate 205, and two apply pressure plate 205 dorsal part and install foil gage 213, after the pressure and the deformation information of corresponding shell packing are obtained, two-way piston rod 206 keeps last application of force intensity, drive motor drive lead screw assembly 203 simultaneously, make slide holder 204 and applying pressure plate 205 move upward and take out the shell packing, after the shell packing breaks away from box-shaped body 201 completely, two miniature telescopic link 212 that are located applying pressure plate 205 both sides stretch and contract respectively, make two applying pressure plate 205 that are located slide holder 204 both sides use two-way piston rod 206 as axle center clockwise and anticlockwise rotation, thereby make the shell packing wholly produce deformation, and respond to the tension change through the surface that lies in applying pressure plate 205 dorsal foil gage 213 simulation shell packing, thereby further deriving the overall strain strength of the housing package.
It is further explained that the utility model provides a still be provided with electric cabinet 214 on the base plate 1, be provided with the central processing module of ARM7 chip in the electric cabinet 214 to through the electric connection to laser rangefinder 207, industrial camera 210 and pressure sensor 211 and foil gage 213, real-time data collection calculation is carried out, and control driving motor, two-way piston rod 206, the program instruction action of miniature telescopic link 212.
It should be added that, the screw assembly 203 of the present invention adopts a transmission mode of a universal screw and screw nut pair, wherein the screw nut pair is fixedly mounted on the sliding seat 204.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a test fixture of lithium ion battery shell packing intensity which characterized in that: the comprehensive testing device comprises a substrate (1) and a comprehensive testing device (2) arranged on the substrate (1), wherein the comprehensive testing device (2) comprises a box-shaped body (201), a track plate (202) is arranged on the substrate (1) on the back side of the box-shaped body (201), a sliding seat (204) is arranged on the surface of the track plate (202) through two parallel lead screw components (203), pressing plates (205) are arranged on two sides of the sliding seat (204), a bidirectional piston rod (206) is horizontally arranged in the middle of the sliding seat (204), two ends of the bidirectional piston rod (206) are movably connected in the middle of the pressing plates (205), a laser ranging head (207) is arranged at the bottom of the bidirectional piston rod (206), a through hole (208) is formed in the position, opposite to the laser ranging head (207), of the pressing plate (205), and an observation window (209) is arranged on the front surface of the box, and an industrial camera (210) is arranged on the observation window (209), and pressure sensors (211) are arranged on the left side surface and the right side surface of the box-shaped body (201).
2. The test tool for packaging strength of the lithium ion battery shell according to claim 1, characterized in that: the top of two ends of the back side surface of the sliding seat (204) is provided with a micro telescopic rod (212) through a support, the output end of the micro telescopic rod (212) is hinged to the top of the back side of the pressing plate (205), and strain gauges (213) are arranged on the back sides of the pressing plate (205).
3. The test tool for packaging strength of the lithium ion battery shell according to claim 1, characterized in that: the driving motor of the lead screw assembly (203) is arranged in the substrate (1).
4. The test tool for packaging strength of the lithium ion battery shell according to claim 1, characterized in that: the laser ranging device is characterized in that an electric cabinet (214) is further arranged on the substrate (1), and the laser ranging head (207), the driving motor, the two-way piston rod (206), the micro telescopic rod (212), the industrial camera (210) and the pressure sensor (211) are all electrically connected to the electric cabinet (214).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021105104.6U CN212844691U (en) | 2020-06-15 | 2020-06-15 | Test fixture for packaging strength of lithium ion battery shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021105104.6U CN212844691U (en) | 2020-06-15 | 2020-06-15 | Test fixture for packaging strength of lithium ion battery shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212844691U true CN212844691U (en) | 2021-03-30 |
Family
ID=75172972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021105104.6U Expired - Fee Related CN212844691U (en) | 2020-06-15 | 2020-06-15 | Test fixture for packaging strength of lithium ion battery shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212844691U (en) |
-
2020
- 2020-06-15 CN CN202021105104.6U patent/CN212844691U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210330 Termination date: 20210615 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |