Shift-out calibration type X-ray full-inspection surface density instrument
By designing a calibrated X-ray surface density analyzer, and utilizing a linear drive mechanism and long strip scanning technology, the problem of low detection rate in existing technologies was solved, enabling full inspection of the surface density of lithium battery electrodes and ensuring the accuracy and stability of the inspection.
Patent Information
- Application Number
- CN202423134312.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-19
AI Technical Summary
In existing technologies, the detection rate of surface density by X-ray full inspection is low, and it is impossible to achieve full inspection of the surface density of lithium battery electrode sheets.
Design an X-ray full inspection surface density meter with a movable calibration. A linear drive mechanism moves the distance between the support and the X-ray emitter and detector. The X-ray emitter and detector are set along the length of the frame to achieve scanning of long strips of light, realizing line scanning full inspection of the substrate under test.
It achieves 100% detection of the areal density of the tested substrate, ensuring the accuracy and stability of the detection. Through calibration and periodic calibration, it ensures the reliability of long-term testing.
Smart Images

Figure CN223611321U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to measuring equipment technical field, concretely relates to a remove calibration formula X ray full detection area density appearance. BACKGROUND
[0002] In the lithium battery pole piece area density detection field, commonly used X ray carries out area density on -line detection in the way of single point "Z" letter scanning, provides necessary data for coating and quality control, the shortage of this kind of mode is "point scanning sampling inspection", only 1% or so area on the pole piece is detected, the detection rate is low, and full detection of area density cannot be realized. SUMMARY
[0003] In view of the above problem, the utility model aims at providing a remove calibration formula X ray full detection area density appearance.
[0004] To realize this technical purpose, the utility model's scheme is: a remove calibration formula X ray full detection area density appearance, including rack base and the linear drive mechanism that sets up on the upper surface of rack base, the upper surface of linear drive mechanism movably sets up the support, one end of support is provided with roller assembly, the outer wall of roller assembly is provided with measured base material, the inside parallel opposite of support is provided with ray emitter and detector, the interval that leaves between ray emitter and detector lets measured base material pass, linear drive mechanism drives support moves and drives ray emitter and detector move simultaneously, makes the measured base material between ray emitter and detector and to its line scanning full detection, realizes the full detection of the area density of measured base material.
[0005] Preferably, the ray emitter and the detector are arranged along the length direction of the rack base.
[0006] Preferably, the roller assembly includes a first column and a second column, the first column and the second column are arranged in parallel along the width direction of the rack base, a pair of measuring rollers are arranged between the first column and the second column in an upper-lower staggered manner, and a pull rod is arranged between the measuring rollers.
[0007] Preferably, a mounting seat is arranged between the pair of second columns, and a calibration sheet is arranged on the surface of the mounting seat.
[0008] Preferably, the linear drive mechanism includes a drive base fixed to the rack base by a clamping plate, a lead screw is arranged inside the drive base, a motor for driving the rotation of the lead screw and a plurality of sliding blocks horizontally arranged at the top end of the drive base are arranged inside the drive base, the top ends of the plurality of sliding blocks are fixedly connected with the support, the sliding blocks are threadedly connected with the lead screw, a guide module parallel to the lead screw is arranged on the drive base, and the sliding blocks are slidingly connected with the guide module.
[0009] Preferably, the bottom of the bracket is provided with a dustproof side plate on the front and back sides respectively, the dustproof side plate is fixedly connected with the sliding block, and both ends of the dustproof side plate are provided with an organ case.
[0010] Preferably, the rays emitted by the ray emitter are X rays.
[0011] The utility model discloses the beneficial effect,
[0012] 1, the ray emitter can emit long strip light spot X rays and be received by the detector, realize the " line sweep full inspection " of the measured base material surface density, and the detection rate is 100 %, realizes the density of the measured base material and detects all.
[0013] 2, the ray emitter and the detector are installed on the support, and through the movement of the support, the X ray measurement module can be separated from the pole piece wearing position, effective calibration and periodic calibration are realized, and the long-term accuracy and stability of surface density detection are guaranteed. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the structural schematic diagram of the utility model;
[0015] Figure 2 It is the support structure schematic diagram of the utility model;
[0016] Figure 3 It is the roller assembly structure schematic diagram of the utility model;
[0017] Figure 4 It is the linear drive mechanism of the utility model.
[0018] In the drawing: 1, rack base 2, linear drive mechanism 201, drive base 202, screw rod 203, motor 204, sliding block 205, wire module 3, support 301, dustproof side plate 302, organ case 4, roller assembly 401, first stand 402, second stand 403, measuring roller 404, pull rod 405, mounting seat 5, measured base material 6, ray emitter 7, detector 8, spacing. DETAILED DESCRIPTION
[0019] The utility model will be further explained in detail in combination with the drawings and specific embodiment.
[0020] As shown in the figure, the embodiment of the utility model discloses a kind of removal calibration formula X-ray full detection area densimeter, including rack base 1 and the linear drive mechanism 2 of setting on the upper surface of rack base 1, the upper surface of linear drive mechanism 2 movably provided with support 3, one end of support 3 is provided with roller assembly 4, the outer wall of roller assembly 4 is provided with measured base material 5, the inside of support 3 is provided with ray emitter 6 and detector 7 in parallel, and the interval 8 that measured base material 5 passes through is left between ray emitter 6 and detector 7, linear drive mechanism 2 drives support 3 to move while driving ray emitter 6 and detector 7 to move, so that measured base material 5 is between ray emitter 6 and detector 7 and is scanned to its line, and the full detection of the area density of measured base material 5 is realized.
[0021] The bottom of the support 3 is provided with a dustproof side plate 301 on the front and rear sides, respectively, the dustproof side plate 301 is fixedly connected with the sliding block 204, and the both ends of the dustproof side plate 301 are provided with an organ case 302.
[0022] The both sides of the sliding block 204 along its moving direction are provided with the organ case 302 for shielding the lead screw 202 and the guide module 205.
[0023] The ray emitter 6 and the detector 7 are arranged along the length direction of the rack base 1, so as to detect the width direction of the measured base material 5.
[0024] The roller assembly 4 comprises a first stand 401 and a second stand 402, the first stand 401 and the second stand 402 are arranged in parallel along the width direction of the rack base 1, a pair of measuring rollers 403 are arranged between each group of the first stand 401 and the second stand 402 in an up-down staggered manner, and a pull rod 404 is arranged between the measuring rollers 403, the measuring rollers 403 play a guiding role on the measured base material 5, and the pull rod 404 plays a limiting role on the measured base material 5.
[0025] A mounting seat 405 is arranged between the pair of second stands 402, and a calibration sheet is arranged on the surface of the mounting seat 405, the calibration sheet is used for calibrating the detector 7 and the ray emitter 6, so as to prevent deviation.
[0026] The rays emitted by the ray emitter 6 are X-rays, the rays emitted by the ray emitter 6 form a long strip light spot after collimation, the ray detector 7 emits rays to the detector 7, and the strip light spot covers the width of the linear array detector 7.
[0027] Working principle: the linear drive mechanism 2 drives the support 3 and the ray generator and the detector 7 in the support 3 to move towards the width direction of the measured base material 5, so that the measured base material 5 is in the interval 8 between the ray generator and the detector 7, the X-rays emitted by the ray emitter 6 are received by the detector 7, the “line scanning full detection” of the measured base material 5 is realized, and the full detection of the area density of the pole piece is realized.
[0028] The linear driving mechanism 2 drives the bracket 3 to move, so that the ray generator is away from the passing position of the measured base material 5, effective calibration and periodic calibration are realized, and long-term accuracy and stability of the surface density detection are ensured.
[0029] The above is only the preferred embodiment of the present application, and is not used to limit the present application, any slight modification, equivalent replacement and improvement of the above embodiment according to the technical essence of the present application should be included in the protection scope of the technical scheme of the present application.
Claims
1. A removal calibration type X-ray full-surface densimeter, comprising a rack base (1) and a linear drive mechanism (2) arranged on the upper surface of the rack base (1), the upper surface of the linear drive mechanism (2) movably arranged with a support (3), one end of the support (3) arranged with a roller assembly (4), the outer wall of the roller assembly (4) arranged with a measured base material (5), characterized in that: The inside of the support (3) is provided with a ray emitter (6) and a detector (7) in parallel, and a space (8) is left between the ray emitter (6) and the detector (7) for the measured base material (5) to pass through, the linear drive mechanism (2) drives the support (3) to move while driving the ray emitter (6) and the detector (7) to move, so that the measured base material (5) between the ray emitter (6) and the detector (7) is detected in the surface density of the measured base material (5). 2. The portable, collimated X-ray full area densimeter according to claim 1, characterized in that: The ray emitter (6) and the detector (7) are arranged along the length direction of the rack base (1).
3. The portable, collimated X-ray full area densimeter of claim 1, wherein: The roller assembly (4) comprises a first column (401) and a second column (402), the first column (401) and the second column (402) are arranged in parallel along the width direction of the rack base (1), and a pair of measuring rollers (403) are arranged in an upper-lower staggered manner between each group of the first column (401) and the second column (402), and a pull rod (404) is arranged between the measuring rollers (403).
4. The portable, collimated X-ray full area densimeter according to claim 3, characterized in that: A mounting seat (405) is arranged between a pair of the second columns (402), and a calibration sheet is arranged on the surface of the mounting seat (405).
5. The portable, collimated x-ray full area densitometer of claim 1 wherein: The linear drive mechanism (2) comprises a drive base (201) fixed to the rack base (1) by a clamping plate, a lead screw (202) arranged in the drive base (201), a motor (203) driving the lead screw (202) to rotate, and a plurality of sliding blocks (204) arranged horizontally at the top of the drive base (201), the top of the sliding blocks (204) is fixedly connected with the support (3), the sliding blocks (204) are threadedly connected with the lead screw (202), a guide wire module (205) parallel to the lead screw (202) is arranged on the drive base (201), and the sliding blocks (204) are slidingly connected with the guide wire module (205).
6. The portable, collimated X-ray full area densimeter according to claim 5, characterized in that: The bottom of the support (3) is provided with a dustproof side plate (301) on the front and rear sides, respectively, the dustproof side plate (301) is fixedly connected with the sliding blocks (204), and the dustproof side plate (301) is provided with an organ case (302) at both ends.
7. The portable, collimated X-ray full area densimeter according to claim 6, characterized in that: The sliding blocks (204) are provided with organ cases (302) on both sides along the moving direction of the sliding blocks (204) for shielding the lead screw (202) and the guide wire module (205).
8. The portable, collimated X-ray full area densimeter of claim 1, wherein: The ray emitted by the ray emitter (6) is X-ray.