Device for detecting tensile strength of battery aluminum foil
By designing an automated battery aluminum foil tensile strength testing device, which utilizes clamping and displacement devices to achieve automatic flattening and tensile testing of aluminum foil samples, the problem of inconvenient aluminum foil sample fixation in existing technologies is solved, thereby improving testing efficiency and accuracy.
Patent Information
- Application Number
- CN202423249876.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-27
AI Technical Summary
In the current process of testing the tensile strength of battery aluminum foil, the operation of flattening and fixing the aluminum foil sample is inconvenient, which affects the testing efficiency.
A detection device comprising a worktable, a controller, an electronic tensile gauge, a clamping device, and a drive motor was designed. By synchronously rotating the clamping device in opposite directions and moving the displacement device, automatic flattening and tensile testing of aluminum foil samples can be achieved.
The process of fixing and flattening aluminum foil samples has been simplified, improving the convenience and accuracy of tensile strength testing.
Smart Images
Figure CN223727556U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of detection device, especially, relate to a tensile strength detection device of battery aluminum foil. BACKGROUND
[0002] At present, in the process of producing battery aluminum foil, the tensile strength of each batch of battery aluminum foil needs to be sampled and detected, and in the prior art, the battery aluminum foil is usually cut into strip-shaped aluminum foil samples, then the two ends of the aluminum foil sample are fixed respectively, the aluminum foil sample is flattened, then the aluminum foil sample is pulled to apply a certain tension to the aluminum foil sample, and when the aluminum foil sample does not break, it means that the tensile strength of the aluminum foil meets the production standard.
[0003] However, in the prior art, the way of flattening the aluminum foil sample is usually to manually pull and flatten the aluminum foil sample when the aluminum foil sample is fixed, and then to measure whether the aluminum foil sample is flattened by using a tool after the aluminum foil sample is fixed. However, the above-mentioned way is inconvenient because it needs to pull the aluminum foil sample on one side and fix the two ends of the aluminum foil sample on the other side at the same time. Therefore, there are still shortcomings and deficiencies in the prior art. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a tensile strength detection device of battery aluminum foil to solve the problems in the background art.
[0005] In order to solve the above-mentioned problems, the utility model adopts the following technical scheme:
[0006] A tensile strength detection device of battery aluminum foil, comprising a workbench and a controller with a button, a display screen electrically connected with the controller is inlaid on the controller, a displacement device horizontally arranged is installed on the tabletop of the workbench, a movable seat capable of moving along the displacement device is installed on the displacement device, and one end of the displacement device is provided with a fixed seat installed on the workbench, an electronic tension meter parallel to the displacement device is installed between the fixed seat and the movable seat, and a U-shaped bracket with a U-shaped opening facing upward is installed on the fixed seat and the movable seat, a clamping device perpendicular to the displacement device in the horizontal direction is rotatably connected in each U-shaped bracket, the positions of the two sets of clamping devices are opposite, a drive motor installed on the U-shaped bracket is drivingly connected to each set of clamping devices, the two drive motors rotate synchronously and in opposite directions, and the controller is electrically connected with the displacement device, the electronic tension meter and the two drive motors.
[0007] Further, the clamping devices each comprise a rotating shaft horizontally arranged in the U-shaped support, the rotating shaft is perpendicular to the displacement device in the horizontal direction, and the two ends of the rotating shaft are rotationally connected with the U-shaped support, one end of the rotating shaft is drivingly connected with the driving motor respectively, a strip-shaped through hole penetrating through the rotating shaft and arranged in parallel with the rotating shaft is formed in each rotating shaft, a clamping screw parallel with the radial direction of the rotating shaft is arranged at the middle position and the two ends of the strip-shaped through hole, the clamping screw is threadedly connected with the rotating shaft, and one end of the clamping screw is coaxially connected with a pressure plate arranged in the strip-shaped through hole, and the side of the pressure plate away from the clamping screw is a rough surface.
[0008] Further, the clamping screw and the pressure plate are detachably fixedly connected.
[0009] Further, a plurality of threaded holes equidistantly distributed along the length direction of the rotating shaft are formed in the rotating shaft at the two ends of the strip-shaped through hole, and the threaded holes are matched with the clamping screw.
[0010] Further, the end of the clamping screw away from the rotating shaft is coaxially connected with a hand wheel.
[0011] Further, the displacement device comprises a support base arranged on the workbench and opposite to the fixed base, two horizontally and oppositely arranged guide rods are fixedly connected between the support base and the fixed base, a lead screw parallel with the guide rods is arranged between the two guide rods, the two ends of the lead screw are rotationally connected with the fixed base and the support base respectively, a displacement motor electrically connected with the controller is drivingly connected to the lead screw and arranged on the fixed base, and the movable base is sleeved and threadedly connected with the lead screw, the two sides of the movable base are sleeved on the guide rods and slidably connected with the guide rods, and the clamping devices are perpendicular to the lead screw in the horizontal direction.
[0012] Further, the U-shaped support and the fixed base, and the U-shaped support and the movable base are detachably fixedly connected.
[0013] By adopting the above technical scheme, the present application has the following beneficial effects:
[0014] In use, when the two ends of the aluminum foil sample are clamped and fixed by the two sets of clamping devices, the tensile strength of the aluminum foil is detected by pulling the aluminum foil sample; when the aluminum foil sample needs to be flat, after the two ends of the aluminum foil sample are clamped and fixed, the two sets of clamping devices are driven to rotate in opposite directions by the two driving motors, so as to stretch the aluminum foil sample, and the existing tools can be used to measure whether the aluminum foil sample is flat, until the aluminum foil sample is flat, and the driving motor stops running, so that the aluminum foil sample can be conveniently stretched and fixed, and the tensile strength of the aluminum foil can be conveniently detected. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 This is a schematic diagram of the structure of this utility model;
[0016] Figure 2 This is a top view of part of the device of this utility model;
[0017] Figure 3 for Figure 1 A three-dimensional structural diagram of the middle part of the device;
[0018] Figure 4 for Figure 3 A schematic diagram of the structure in its split state;
[0019] Figure 5 for Figure 1 A structural diagram in use.
[0020] Reference numerals: 1. Drive motor; 2. Clamping device; 21. Rotary shaft; 22. Strip-shaped through hole; 23. Tightening screw; 24. Pressure plate; 25. Threaded rod; 26. Threaded through hole; 27. Handwheel; 3. U-shaped bracket; 4. Displacement device; 41. Support base; 42. Guide rod; 43. Lead screw; 44. Displacement motor; 5. Movable seat; 6. Fixed seat; 7. Worktable; 8. Controller; 9. Display screen; 10. Electronic tension gauge; 11. Connecting bolt; 12. Aluminum foil sample. Detailed Implementation
[0021] To make the objectives, technical solutions, and beneficial effects of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.
[0022] like Figures 1 to 5 As shown, this utility model provides a tensile strength testing device for battery aluminum foil, including a workbench 7 and a controller 8 with buttons. The controller 8 has a display screen 9 embedded in it and electrically connected to the controller 8. Specifically, the controller 8 is a PLC controller in the prior art. In use, parameter values can be input into the controller 8 through the buttons. The display screen 9 can display the data of the testing device in real time. A horizontally arranged displacement device 4 is installed on the table surface of the workbench 7. A movable seat 5 that can move along the displacement device 4 is installed on the displacement device 4. A fixed seat 6 installed on the workbench 7 is provided at one end of the displacement device 4. An electronic tensile gauge 10 is installed between the fixed seat 6 and the movable seat 5 and is arranged parallel to the displacement device 4. The electronic tensile gauge 10 is a tensile gauge that can be stretched and reset in the prior art. In use, the electronic tensile gauge 10 can detect the tensile force value when pulling the aluminum foil sample 12 in real time. In addition, when the tensile force value displayed on the electronic tensile gauge 10 is zero, the distance between the movable seat 5 and the fixed seat 6 is the initial distance.
[0023] And the fixed seat 6 and the movable seat 5 are provided with U-shaped brackets 3 with U-shaped openings facing upwards, each U-shaped bracket 3 is rotationally connected with a clamping device 2 perpendicular to the displacement device 4 in the horizontal direction, the positions of the two sets of clamping devices 2 are opposite, and in use, the two sets of clamping devices 2 can clamp the two ends of the aluminum foil sample 12 respectively; and each set of clamping devices 2 is drivingly connected with a driving motor 1 mounted on the U-shaped bracket 3, and the driving motor 1 is a forward and reverse motor; the two driving motors 1 rotate synchronously and in opposite directions, that is, the two driving motors 1 can drive the two sets of clamping devices 2 to rotate in opposite directions at a slow speed; the controller 8 is electrically connected with the displacement device 4, the electronic tensile tester 10, and the two driving motors 1, and in use, the controller 8 can control the displacement device 4 and the driving motor 1 to operate respectively.
[0024] Specifically, in use, after the two ends of the aluminum foil sample 12 are clamped by the two sets of clamping devices 2, and the aluminum foil sample 12 is flat, the movable seat 5 can be moved away from the fixed seat 6 by the displacement device 4 to pull the aluminum foil sample 12, and at the same time, the electronic tensile tester 10 is stretched, the electronic tensile tester 10 can detect the tension value in real time and transmit the tension value to the controller 8, until the tension value displayed on the electronic tensile tester 10 reaches the range value set in the controller 8, the controller 8 can automatically control the displacement device 4 to stop running, at this time, if the aluminum foil sample 12 has not been broken, it indicates that the tensile strength of the aluminum foil meets the production standard, otherwise it is unqualified, so that the tensile strength of the aluminum foil can be detected; then when the movable seat 5 needs to be reset, the movable seat 5 can be moved in the opposite direction by the displacement device 4 until the tension value displayed on the electronic tensile tester 10 is zero, and the displacement device 4 is automatically controlled to stop running by the controller 8, and the movable seat 5 is reset.
[0025] When the aluminum foil sample 12 needs to be flat, after clamping the two ends of the aluminum foil sample 12, the two sets of clamping devices 2 can be driven by the two driving motors 1 to rotate in opposite directions at a slow speed to stretch the aluminum foil sample 12, and at the same time, existing tools can be used to measure whether the aluminum foil sample 12 is flat, until the aluminum foil sample 12 is flat, the driving motor 1 stops running, so compared with the prior art, the aluminum foil sample 12 can be conveniently stretched and fixed, so that the tensile strength of the aluminum foil can be conveniently detected.
[0026] The specific arrangement of the clamping device 2 is as follows: Figures 1 to 5As shown, the clamping devices 2 each include a rotating shaft 21 arranged horizontally in the U-shaped support 3, the rotating shaft 21 is perpendicular to the displacement device 4 in the horizontal direction, and both ends of the rotating shaft 21 are rotationally connected with the U-shaped support 3, and one end of the rotating shaft 21 is respectively in transmission connection with the driving motor 1, specifically, the driving motor 1 is coaxially arranged with the rotating shaft 21 and connected through a shaft coupling; each rotating shaft 21 is also provided with a strip-shaped through hole 22 penetrating through the rotating shaft 21 and arranged in parallel with the rotating shaft 21, and the middle position of the strip-shaped through hole 22 is provided with a top tightening screw 23 radially parallel to the rotating shaft 21 at both ends, the top tightening screw 23 is in threaded connection with the rotating shaft 21, and one end of the top tightening screw 23 is coaxially provided with a pressure plate 24 located in the strip-shaped through hole 22 after penetrating through the rotating shaft 21, and the side of the pressure plate 24 away from the top tightening screw 23 is a rough surface, specifically, in use, the aluminum foil sample 12 can be penetrated through the rotating shaft 21 through the strip-shaped through hole 22, and then the top tightening screw 23 is rotated, and when the rough surface of the pressure plate 24 abuts against the aluminum foil sample 12 in the strip-shaped through hole 22, the aluminum foil sample 12 can be clamped and fixed; and by reversely rotating the top tightening screw 23, the aluminum foil sample 12 can be removed after the pressure plate 24 is away from the aluminum foil sample 12, so that the aluminum foil sample 12 can be conveniently disassembled and assembled on the clamping device 2.
[0027] Further, as shown in Figure 4 The top tightening screw 23 and the pressure plate 24 are detachably fixedly connected, specifically, a threaded hole is coaxially arranged on one end of the top tightening screw 23 close to the pressure plate 24, and a threaded rod 25 matched with the threaded hole is fixedly connected with the pressure plate 24 coaxially on the side close to the top tightening screw 23, in use, the hand can be inserted into the strip-shaped through hole 22, the pressure plate 24 can be detached by rotating the pressure plate 24, so that the pressure plate 24 can be conveniently disassembled and assembled on the top tightening screw 23; and after the pressure plate 24 is detached, the top tightening screw 23 can be conveniently disassembled and assembled on the rotating shaft 21.
[0028] Further, as shown in Figures 2 to 4 The rotating shaft 21 at both ends of the strip-shaped through hole 22 is provided with a plurality of threaded holes 26 equidistantly distributed along the length direction of the rotating shaft 21, the threaded holes 26 are matched with the top tightening screw 23, specifically, since the pressure plate 24 and the top tightening screw 23 can be conveniently disassembled and assembled, so that in use, the positions of the pressure plates 24 at both ends of the strip-shaped through hole 22 on the rotating shaft 21 can be conveniently adjusted to be suitable for clamping and fixing aluminum foil samples 12 with different widths.
[0029] Further, as shown in Figures 1 to 5 The end of the top tightening screw 23 outside the rotating shaft 21 is coaxially provided with a hand wheel 27, in use, the hand wheel 27 can conveniently rotate the top tightening screw 23.
[0030] The specific arrangement of the displacement device 4 is as follows: as shown in Figure 1 and Figure 5As shown, the displacement device 4 includes a support base 41 mounted on the workbench 7 and opposite the fixed base 6, two horizontally opposite guide rods 42 are fixedly connected between the support base 41 and the fixed base 6, a lead screw 43 parallel to the guide rods 42 is arranged between the two guide rods 42, both ends of the lead screw 43 are rotatably connected with the fixed base 6 and the support base 41, and a displacement motor 44 mounted on the fixed base 6 and electrically connected with the controller 8 is drivingly connected on the lead screw 43, the displacement motor 44 is a reversible motor; the movable base 5 is further sleeved and threadedly connected on the lead screw 43, both sides of the movable base 5 are sleeved on the guide rods 42 and slidably connected with the guide rods 42, the clamping device 2 is perpendicular to the lead screw 43 in the horizontal direction, specifically, when the displacement motor 44 is started during use, the lead screw 43 can be driven to rotate, and in the process of rotating, the movable base 5 can move horizontally along the guide rods 42; when the movable base 5 moves away from the fixed base 6, the aluminum foil sample 12 can be pulled and stretched, and the electronic tensile tester 10 can be stretched.
[0031] Further, as Figure 1 With Figure 5 As shown, the U-shaped support 3 is detachably fixedly connected with the fixed base 6 and the movable base 5 through the connecting bolts 11, specifically, during installation, the screw rod end of the connecting bolt 11 is vertically through the bottom of the U-shaped support 3, and is threadedly connected with the fixed base 6 and the movable base 5 respectively, until the head of the connecting bolt 11 abuts against the U-shaped support 3, the U-shaped support 3 can be installed on the fixed base 6 and the movable base 5, so that the U-shaped support 3 can be conveniently disassembled and assembled on the fixed base 6 and the movable base 5.
[0032] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed application. The scope of protection of the present application is defined by the appended claims and equivalents thereof.
Claims
1. A tensile strength detection device for battery aluminum foil, comprising a workbench and a controller with a button, the controller is inlaid with a display screen electrically connected with the controller, characterized in that: The workbench top is provided with a horizontal displacement device, the displacement device is provided with a movable seat capable of moving along the displacement device, one end of the displacement device is provided with a fixed seat installed on the workbench, an electronic tension meter is installed between the fixed seat and the movable seat and parallel to the displacement device, and the fixed seat and the movable seat are both provided with a U-shaped bracket with an upward U-shaped opening, each U-shaped bracket is rotatably connected with a clamping device perpendicular to the displacement device in the horizontal direction, the positions of the two sets of clamping devices are opposite, and each set of clamping devices is drivingly connected with a driving motor installed on the U-shaped bracket, the two driving motors rotate synchronously and in opposite directions, and the controller is electrically connected with the displacement device, the electronic tension meter and the two driving motors.
2. The tensile strength testing device for battery aluminum foil according to claim 1, wherein: The clamping device comprises a rotating shaft horizontally arranged in the U-shaped bracket, the rotating shaft is perpendicular to the displacement device in the horizontal direction, both ends of the rotating shaft are rotatably connected with the U-shaped bracket, one end of the rotating shaft is drivingly connected with the driving motor, a strip-shaped through hole penetrating the rotating shaft and parallel to the rotating shaft is formed in each rotating shaft, a jack screw parallel to the radial direction of the rotating shaft is arranged at the middle position and both ends of the strip-shaped through hole, the jack screw is threadedly connected with the rotating shaft, one end of the jack screw coaxially penetrates the rotating shaft and is provided with a pressure plate located in the strip-shaped through hole, and the side of the pressure plate away from the jack screw is a rough surface.
3. The tensile strength testing device for battery aluminum foil according to claim 2, wherein: The jack screw and the pressure plate are detachably and fixedly connected.
4. The tensile strength testing device for battery aluminum foil according to claim 3, wherein: A plurality of threaded holes equally distributed along the length direction of the rotating shaft are formed in the rotating shaft at both ends of the strip-shaped through hole, and the threaded holes are matched with the jack screw.
5. The tensile strength testing device for battery aluminum foil according to claim 2, wherein: One end of the jack screw away from the rotating shaft is coaxially provided with a hand wheel.
6. The tensile strength testing device for battery aluminum foil according to claim 1, wherein: The displacement device comprises a support seat installed on the workbench and opposite to the fixed seat, two horizontally opposite guide rods are fixedly connected between the support seat and the fixed seat, a lead screw parallel to the guide rods is arranged between the two guide rods, both ends of the lead screw are rotatably connected with the fixed seat and the support seat, a displacement motor is drivingly connected with the lead screw and installed on the fixed seat and electrically connected with the controller, the movable seat is sleeved and threadedly connected with the lead screw, the sides of the movable seat are sleeved on the guide rods and slidingly connected with the guide rods, and the clamping device is perpendicular to the lead screw in the horizontal direction.
7. The tensile strength testing device for battery aluminum foil according to claim 1, wherein: The U-shaped bracket and the fixed seat, and the U-shaped bracket and the movable seat are detachably and fixedly connected.