PVC pipe wall thickness detection device

Abstract

The utility model discloses a PVC pipe wall thickness detection device which comprises a bottom plate, and the bottom plate is provided with a clamping mechanism used for fixing a detected PVC pipe and a detection device used for detecting the wall thickness of the detected PVC pipe. Wherein the detection device comprises a moving module, a two-finger clamping jaw cylinder, a detection module and a second fixed measuring jaw; the clamping mechanism comprises a three-finger clamping jaw air cylinder, a turbine worm and a connecting base. According to the PVC pipe wall thickness detection device, in the detection process, the PVC pipe is rotated, the wall thicknesses of different positions of the PVC pipe are detected, the accuracy of PVC pipe wall thickness detection is improved, the safety in the use process is ensured, and meanwhile cost increase and efficiency reduction caused by the wall thickness problem are avoided.

Description

Technical Field

[0001] This utility model belongs to the field of wall thickness detection devices, and more specifically, relates to a PVC pipe wall thickness detection device. Background Technology

[0002] PVC pipe (polyvinyl chloride pipe) is a plastic pipe made primarily from polyvinyl chloride resin, with the addition of stabilizers, lubricants, and other additives, and then extruded using a hot-pressing method. Depending on the manufacturing process and application, it can be classified into types such as PVC-U (rigid), PVC-M (modified and reinforced), and PVC-O (biaxially oriented). Due to its strong corrosion resistance, light weight, and easy installation, PVC pipe is widely used in building drainage, municipal water supply, agricultural irrigation, power cable protection, and chemical fluid transportation.

[0003] It is worth noting that in the practical application and quality control of PVC pipes, the wall thickness is a key parameter affecting their mechanical properties and safety. If the wall thickness is too thin, the pipe may lack sufficient pressure-bearing capacity, leading to leakage or bursting risks; if the wall thickness is too thick, it increases material costs and reduces production efficiency. Therefore, it is necessary to design a PVC pipe wall thickness detection device to effectively solve the above-mentioned technical problems. Utility Model Content

[0004] In order to solve the problems existing in the prior art, this utility model aims to provide a PVC pipe wall thickness detection device to detect the wall thickness of PVC pipes, ensuring safety during use while avoiding increased costs and reduced efficiency caused by wall thickness issues.

[0005] To achieve the above-mentioned technical objectives and effects, this utility model is implemented through the following technical solution:

[0006] A PVC pipe wall thickness detection device includes a base plate, on which a clamping mechanism for fixing the PVC pipe to be tested and a detection device for detecting the wall thickness of the PVC pipe to be tested are provided.

[0007] The detection device includes a movable module, on which a two-finger gripper cylinder is mounted. The two-finger gripper cylinder can move back and forth in the left and right directions by being driven by the movable module. A detection module is mounted on one of the fingers of the two-finger gripper cylinder, and the wall thickness of the PVC pipe under test is detected by the detection module.

[0008] Furthermore, the moving module is a lead screw linear guide mechanism.

[0009] Furthermore, the detection module includes a fixed plate, one end of which is provided with a first fixed measuring claw; a slider that can slide on the middle of the fixed plate is provided, and a movable measuring claw is provided at the end of the slider near the first fixed measuring claw.

[0010] Furthermore, the other end of the fixed plate is connected to the slide of a straight guide rail via a connecting plate.

[0011] Furthermore, a scale is engraved on the fixing plate.

[0012] Furthermore, a second fixed measuring claw is provided on the other finger of the two-finger gripper cylinder.

[0013] Furthermore, the clamping mechanism includes a three-finger gripper cylinder, a worm gear, and a connecting seat. The three-finger gripper cylinder and the worm gear are both mounted on the connecting seat, and the worm gear is connected to the three-finger gripper cylinder via a connecting rod. The worm gear can drive the three-finger gripper cylinder to rotate.

[0014] Furthermore, a scale that can rotate with the rear end of the three-finger gripper cylinder is provided, and an indicator block adapted to the scale is provided on the connecting seat.

[0015] The beneficial effects of this utility model are as follows:

[0016] 1. This utility model enables the detection of PVC pipe wall thickness while simultaneously rotating the PVC pipe during the detection process. This allows for the detection of wall thickness at different locations within the PVC pipe, improving the accuracy of PVC pipe wall thickness detection, ensuring safety during use, and avoiding increased costs and reduced efficiency caused by wall thickness issues.

[0017] 2. The detection module of this utility model is equipped with fixed measuring jaws and movable measuring jaws. The side wall of the PVC pipe is clamped between the measuring jaws by the movement of the movable measuring jaw on the fixed plate, and the reading is taken by the scale on the fixed plate. The wall thickness of the PVC pipe can be measured more accurately, ensuring the accuracy of the detection results. At the same time, the cooperation of the first fixed measuring jaw and the second fixed measuring jaw makes the PVC pipe in a relatively stable position during the detection, further improving the accuracy of the thickness detection.

[0018] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it according to the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings. The specific implementation methods of this utility model are given in detail in the following embodiments and their accompanying drawings. Attached Figure Description

[0019] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0020] Figure 1 This is a schematic diagram of the overall structure of the device of this utility model;

[0021] Figure 2 This is a front view of the device of this utility model;

[0022] Figure 3 This is a schematic diagram of the detection status of this utility model.

[0023] The following are the labels in the diagram: 1. Base plate; 2. Clamping mechanism; 3. Detection device; 21. Three-finger gripper cylinder; 22. Worm gear; 23. Connecting seat; 24. Dial; 25. Indicator block; 31. Moving module; 32. Two-finger gripper cylinder; 33. Detection module; 34. Second fixed measuring jaw; 331. Fixing plate; 332. First fixed measuring jaw; 333. Connecting plate; 334. Linear guide rail; 335. Slider; 336. Movable measuring jaw. Detailed Implementation

[0024] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0025] It should be noted that all directional indicators (such as up, down, left, right, front, back, upper end, lower end, top, bottom, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0026] See Figure 1 As shown, a PVC pipe wall thickness detection device includes a base plate 1, on which a clamping mechanism 2 for fixing the PVC pipe to be tested and a detection device 3 for detecting the wall thickness of the PVC pipe to be tested are provided.

[0027] Furthermore, in this embodiment, see also... Figure 1 As shown, the detection device 3 includes a moving module 31, which is a lead screw linear guide mechanism fixed on the base plate 1. A two-finger gripper cylinder 32 is provided on the moving module 31, which can move back and forth in the left and right direction by being driven by the moving module 31. A detection module 33 is provided on one of the fingers of the two-finger gripper cylinder 32, and the wall thickness of the PVC pipe is detected by the detection module 33.

[0028] In this embodiment, see Figure 2 As shown, the detection module 33 includes a fixed plate 331, with a first fixed measuring claw 332 at one end of the fixed plate 331; a slider 335 that can slide on the middle of the fixed plate 331, and a movable measuring claw 336 at the end of the slider 335 near the first fixed measuring claw 332; the fixed plate 331 is engraved with a scale; during installation, the fixed plate 331 is fixedly connected to one of the fingers of the two-finger gripper cylinder 32; during thickness detection, the movable measuring claw 336 moves on the fixed plate 331 via the slider 335, thereby clamping the sidewall of the PVC pipe between the first fixed measuring claw 332 and the movable measuring claw 336, thus realizing the detection of the sidewall of the PVC pipe. In order to improve the stability of fixing the fixing plate 331, in this embodiment, the other end of the fixing plate 331 is connected to the slide of the linear guide rail 334 through a connecting plate 333. During installation, the slide of the linear guide rail 334 is connected to the moving module 31. When the moving module 31 drives the two-finger gripper cylinder 32 to move, the linear guide rail 334 can move synchronously with the two-finger gripper cylinder 32.

[0029] In addition, see Figure 1-2 As shown, in this embodiment, a second fixed measuring claw 34 is provided on the other finger of the two-finger gripper cylinder 32; during thickness detection, the cooperation of the first fixed measuring claw 332 and the second fixed measuring claw 34 makes the PVC pipe in a relatively stable position, ensuring accurate subsequent thickness detection.

[0030] Furthermore, in this embodiment, see Figure 1-2 As shown, the clamping mechanism 2 includes a three-finger gripper cylinder 21, a worm gear 22, and a connecting seat 23 for clamping the PVC pipe to be tested. During installation, the three-finger gripper cylinder 21 and the worm gear 22 are both mounted on the connecting seat 23, and the worm gear 22 is connected to the three-finger gripper cylinder 21 via a connecting rod. The worm gear 22 can drive the three-finger gripper cylinder 21 to rotate, while the connecting seat 23 is fixed on the base plate 1. During testing, the worm gear 22 drives the three-finger gripper cylinder 21 to rotate, thereby causing the PVC pipe to be tested, which is clamped on the three-finger gripper cylinder 21, to rotate, thus realizing the detection of the sidewall thickness at different positions of the PVC pipe.

[0031] In this embodiment, in order to achieve precise control of the rotation angle of the PVC pipe being tested, a scale 24 that can rotate with the three-finger gripper cylinder 21 is provided at the rear end, and an indicator block 25 that is adapted to the scale 24 is provided on the connecting seat 23.

[0032] The working principle of this utility model is as follows:

[0033] See Figure 3 As shown (label A in the figure represents the PVC pipe under test; label B in the figure represents this device), during testing, the PVC pipe under test is first placed in the three-finger gripper cylinder 21 of the clamping mechanism 2. The three-finger gripper cylinder 21 clamps and fixes the PVC pipe to ensure that the PVC pipe remains stable during the testing process. Then, the moving module 31 (screw linear guide mechanism) drives the two-finger gripper cylinder 32, the testing module 33, and the second fixed measuring jaw 34 to move synchronously towards the PVC pipe under test until the first fixed measuring jaw 332 and the second fixed measuring jaw 34 extend into the PVC pipe. The PVC pipe is inserted into the inner hole of the tube; then the two-finger gripper cylinder 32 is activated, driving the first fixed measuring claw 332 and the second fixed measuring claw 34 set on it to move away from each other until the first fixed measuring claw 332 and the second fixed measuring claw 34 respectively abut against the inner wall of the PVC pipe, so that the PVC pipe is in a relatively stable position, ensuring the accuracy of subsequent thickness detection; then the movable measuring claw 336 moves on the fixed plate 331 through the slider 335, clamping the side wall of the PVC pipe between the first fixed measuring claw 332 and the movable measuring claw 336, and then the reading is taken, which is the thickness of the PVC pipe.

[0034] When completing the thickness detection of a PVC pipe at one location, firstly, the sliding movable jaw 336 releases the PVC pipe from its clamping position. Then, the two-finger gripper cylinder 32 actuates, driving the first fixed jaw 332 and the second fixed jaw 34 mounted on it to move towards each other, disengaging from the inner wall of the PVC pipe. Next, the worm gear 22 drives the three-finger gripper cylinder 21 to rotate, causing the PVC pipe to rotate to the next location to be detected. By repeating the above detection steps, the thickness of the sidewall at different locations of the PVC pipe can be detected.

[0035] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A PVC pipe wall thickness detection device, comprising a base plate (1), characterized in that: The base plate (1) is provided with a clamping mechanism (2) for fixing the PVC pipe to be tested and a testing device (3) for detecting the wall thickness of the PVC pipe to be tested; The detection device (3) includes a moving module (31), on which a two-finger gripper cylinder (32) is provided. The two-finger gripper cylinder (32) can move back and forth in the left and right directions by being driven by the moving module (31). A detection module (33) is provided on one of the fingers of the two-finger gripper cylinder (32), and the wall thickness of the PVC pipe to be tested is detected by the detection module (33).

2. The PVC pipe wall thickness detection device according to claim 1, characterized in that: The moving module (31) is a linear guide mechanism with a lead screw.

3. The PVC pipe wall thickness detection device according to claim 1, characterized in that: The detection module (33) includes a fixed plate (331), one end of which is provided with a first fixed measuring claw (332); a slider (335) is provided in the middle of the fixed plate (331) and can slide on it, and a movable measuring claw (336) is provided at the end of the slider (335) near the first fixed measuring claw (332).

4. The PVC pipe wall thickness detection device according to claim 3, characterized in that: The other end of the fixed plate (331) is connected to the slide of a straight guide rail (334) via a connecting plate (333).

5. The PVC pipe wall thickness detection device according to claim 3, characterized in that: The fixing plate (331) is engraved with a scale.

6. The PVC pipe wall thickness detection device according to claim 3, characterized in that: The other finger of the two-finger gripper cylinder (32) is provided with a second fixed measuring claw (34).

7. The PVC pipe wall thickness detection device according to claim 1, characterized in that: The clamping mechanism (2) includes a three-finger gripper cylinder (21), a worm gear (22), and a connecting seat (23). The three-finger gripper cylinder (21) and the worm gear (22) are both mounted on the connecting seat (23), and the worm gear (22) is connected to the three-finger gripper cylinder (21) via a connecting rod (). The worm gear (22) can drive the three-finger gripper cylinder (21) to rotate.

8. The PVC pipe wall thickness detection device according to claim 7, characterized in that: The rear end of the three-finger gripper cylinder (21) is provided with a scale (24) that can rotate with it, and the connecting seat (23) is provided with an indicator block (25) that is adapted to the scale (24).

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