Hardness detection equipment for modified plastic

Abstract

The utility model relates to the technical field of modified plastic detection, in particular to hardness detection equipment for modified plastics, which comprises a main body, a synchronous detection mechanism is arranged in the main body, the outer wall of the main body is fixedly connected with a second shell, and the outer wall of the main body is fixedly connected with a third shell. Through cooperation of a second shell and a modified plastic fixing mechanism, a sliding rod drives an abutting block to move, meanwhile, a spring is compressed, and a connecting plate drives a limiting column to move, in this way, the situation that a modified plastic plate moves during detection can be avoided, so that the working quality of the hardness detection equipment is improved, and through cooperation of a main body and a synchronous detection mechanism, the detection efficiency is improved. The electric telescopic rod drives the first rack to move, the first rack drives the first gear to rotate, the hardness of the modified plastic plate is detected in the mode, meanwhile, the situation that the hardness detection equipment needs to be maintained frequently is avoided, and the maintenance cost of the hardness detection equipment is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of modified plastic detection, in particular to hardness detection equipment for modified plastic. Background Art

[0002] Modified plastics refer to plastic products that are processed and modified by filling, blending, reinforcing and other methods on the basis of general plastics and engineering plastics to improve the performance of flame retardancy, strength, impact resistance, toughness, etc. The hardness of modified plastics needs to be tested during production.

[0003] For example, a hardness testing device for modified plastics with the authorization announcement number "CN220251642U" can display the real-time stress conditions of the modified plastics on the left side, which is convenient for simulating the use environment to adjust the inner cavity pressure of the sealed pipe, and the cooperation of the air compressor can continuously increase the pressure in the inner cavity of the sealed pipe, and can control the outward pressure of the two pressure balls. However, the hardness testing device for modified plastics fixes the modified plastics through springs, but the springs will rebound after being pressed against the modified plastics, which results in the modified plastics being not firmly fixed, which reduces the working quality of the hardness testing device. At the same time, the hardness testing device for modified plastics detects the hardness of the modified plastics through the exhaust of the air compressor, but the seals and other equipment will wear out during the long-term reciprocating process, which requires operators to frequently inspect and replace them, which increases the maintenance cost of the hardness testing equipment. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the spring will rebound after being pressed against the modified plastic, which leads to the loose fixation of the modified plastic, thus reducing the working quality of the hardness testing equipment and the hardness of the modified plastic being tested by exhausting the air compressor. However, the seals and other equipment will wear out during the long-term reciprocating process, which requires the operator to frequently inspect and replace them, thus increasing the maintenance cost of the hardness testing equipment. A hardness testing equipment for modified plastics is proposed.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A hardness testing device for modified plastics is designed, comprising a main body, a synchronous detection mechanism is arranged inside the main body, an outer wall of the main body is fixedly connected to a second shell, a modified plastic fixing mechanism is arranged inside the second shell, an outer wall of the second shell is fixedly connected to a baffle, an outer wall of the second shell is slidably connected to a plurality of limit columns through a slide groove, the outer walls of the plurality of limit columns penetrate the second shell through the slide groove, and an outer wall of the main body is fixedly connected to a third shell.

[0007] Preferably, the synchronous detection mechanism includes a first shell, the outer wall of the first shell is fixedly connected to the main body, the inner wall of the first shell is fixedly connected to the bottom end of the electric telescopic rod, the end of the electric telescopic rod is fixedly connected to the first rack, the first rack is meshingly connected to the first gear, the outer wall of the first gear is fixedly connected to two rollers through a bracket, the outer walls of the two rollers are rotatably connected to the main body through bearings and brackets, the outer walls of the two rollers are slidably connected to the slider through slide grooves respectively, and the outer wall of the slider is fixedly connected to the pressure block through a bracket.

[0008] Preferably, the outer walls of the two sliding blocks are slidably connected to the inner wall of the main body via a sliding groove, and the outer walls of the two pressing blocks are provided with cushions.

[0009] Preferably, the modified plastic fixing mechanism includes a motor and a sliding rod, the outer wall of the motor is fixedly connected to the second shell through a bracket, the output shaft of the motor is fixedly connected to the second gear, the second gear is meshed with two third gears, the two third gears are respectively meshed with two second racks, the outer walls of the two second racks are fixedly connected to the connecting plate, the outer wall of the sliding rod is slidably connected to the second shell through a through hole, the outer wall of the sliding rod is fixedly connected to the pulling block, the outer wall of the sliding rod is fixedly connected to the tightening block, and the outer wall of the sliding rod is fixedly connected to one end of two springs through a bracket.

[0010] Preferably, the outer wall of the third shell is fixedly connected to the pressure sensor, and the pressure sensor is electrically connected to the external display screen.

[0011] Preferably, the outer wall of the connecting plate is fixedly connected to the two limiting columns, and the other ends of the two springs are fixedly connected to the second shell.

[0012] The utility model proposes a hardness testing device for modified plastics, which has the beneficial effects that: through the cooperation of the second shell and the modified plastic fixing mechanism, the pulling block drives the sliding rod to move, the sliding rod drives the pressing block to move, and at the same time the spring is compressed, the motor drives the second gear to rotate, the second gear drives the third gear to rotate, the third gear drives the second rack to move, the second rack drives the connecting plate to move, the connecting plate drives the limiting column to move, and the limiting column presses against the modified plastic plate. Through the above-mentioned method, the movement of the modified plastic plate during detection can be avoided, which improves the working quality of the hardness testing device.

[0013] Through the cooperation of the main body and the synchronous detection mechanism, the electric telescopic rod drives the first rack to move, the first rack drives the first gear to rotate, the first gear drives the two rollers to rotate at the same time, the roller drives the slider to move, the slider drives the pressure block to move, the pressure block drives the soft pad to move, and while the pressure block moves, the external power supply of the pressure sensor is connected to the pressure sensor, the pressure sensor is started, and the pressure blocks on both sides respectively press the modified plastic plate and the pressure sensor, so that the pressure received by the pressure sensor and the surface of the modified plastic plate are consistent. The hardness of the modified plastic plate is detected in the above manner, and the need for frequent maintenance of the hardness detection equipment is avoided, which reduces the maintenance cost of the hardness detection equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 for Figure 1 A schematic front cross-sectional view of

[0016] Figure 3 for Figure 1 A side cross-sectional schematic diagram of

[0017] Figure 4 for Figure 2 A side cross-sectional schematic diagram of the second shell;

[0018] Figure 5 for Figure 2 A schematic top view of a cross-sectional view of the second shell;

[0019] Figure 6 for Figure 1 Schematic top view of .

[0020] In the figure: 1. main body, 2. synchronous detection mechanism, 201. first shell, 202. electric telescopic rod, 203. first rack, 204. first gear, 205. roller, 206. slider, 207. pressure block, 3. cushion, 4. second shell, 5. modified plastic fixing mechanism, 501. motor, 502. second gear, 503. third gear, 504. second rack, 505. connecting plate, 506. pressing block, 507. sliding rod, 508. pulling block, 509. spring, 6. limiting column, 7. baffle, 8. third shell, 9. pressure sensor. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings:

[0022] See attached Figure 1-6: In this embodiment, a hardness testing device for modified plastics includes a main body 1, a synchronous detection mechanism 2 is provided inside the main body 1, the outer wall of the main body 1 is fixedly connected to the second shell 4, a modified plastic fixing mechanism 5 is provided inside the second shell 4, the outer wall of the second shell 4 is fixedly connected to the baffle 7, the outer wall of the second shell 4 is slidably connected to a plurality of limit columns 6 through a slide groove, the limit columns 6 slide on the second shell 4, the outer walls of the plurality of limit columns 6 penetrate the second shell 4 through the slide groove, and the outer wall of the main body 1 is fixedly connected to the third shell 8;

[0023] The outer walls of the two sliders 206 are slidably connected to the inner walls of the main body 1 through a slide groove, and the sliders 206 move on the main body 1. The outer walls of the two pressure blocks 207 are installed with soft pads 3. The outer wall of the third shell 8 is fixedly connected to the pressure sensor 9. The pressure sensor is described in a hardness testing device for modified plastics with the authorization announcement number "CN220251642U". It is a prior art and will not be repeated here. The pressure sensor 9 is electrically connected to the external display screen, and the outer wall of the connecting plate 505 is fixedly connected to the two limit columns 6. The other ends of the two springs 509 are fixedly connected to the second shell 4. The spring 509 is fixed on the second shell 4. The elastic coefficient of the spring 509 is selected according to actual needs, and it can be selected to meet the work needs.

[0024] See attached Figure 1 , Figure 2 and Figure 3 In the present embodiment, a hardness testing device for modified plastics is provided, wherein the synchronous testing mechanism 2 comprises a first shell 201, wherein the outer wall of the first shell 201 is fixedly connected to the main body 1, wherein the main body 1 fixes the position of the first shell 201, and the inner wall of the first shell 201 is fixedly connected to the bottom end of the electric telescopic rod 202, wherein the first shell 201 fixes the position of the electric telescopic rod 202, and the size of the electric telescopic rod 202 is selected according to actual needs, and the size can be selected to meet the working needs, wherein the end of the electric telescopic rod 202 is fixedly connected to the first rack 203, and the electric telescopic rod 202 drives the first rack 203 to move, and the first rack 2 03 is meshed with the first gear 204, the first rack 203 drives the first gear 204 to rotate, the outer wall of the first gear 204 is fixedly connected to the two rollers 205 through the bracket, the first gear 204 drives the roller 205 to rotate, the outer walls of the two rollers 205 are rotationally connected to the main body 1 through bearings and brackets, the roller 205 rotates on the main body 1, the outer walls of the two rollers 205 are slidingly connected to the slider 206 through the slide grooves respectively, the roller 205 drives the slider 206 to move through the slide grooves on the surface, the outer wall of the slider 206 is fixedly connected to the pressure block 207 through the bracket, and the slider 206 drives the pressure block 207 to move.

[0025] See attached Figure 1 , Figure 4 and Figure 5In the present embodiment, a hardness testing device for modified plastics is provided. The modified plastic fixing mechanism 5 includes a motor 501 and a slide bar 507. The outer wall of the motor 501 is fixedly connected to the second shell 4 through a bracket. The second shell 4 fixes the position of the motor 501. The size of the motor 501 is selected according to actual needs and can be selected to meet the work needs. The output shaft of the motor 501 is fixedly connected to the second gear 502. The motor 501 drives the second gear 502 to rotate. The second gear 502 is meshed with two third gears 503. The second gear 502 drives the third gear 503 to rotate. The two third gears 503 are respectively meshed with the two second racks 504. The third gear 503 drives the second rack 504 to move, the outer walls of the two second racks 504 are fixedly connected to the connecting plate 505, the second rack 504 drives the connecting plate 505 to move, the outer wall of the slide bar 507 is slidably connected to the second shell body 4 through the through hole, the slide bar 507 slides on the second shell body 4, the outer wall of the slide bar 507 is fixedly connected to the pull block 508, the pull block 508 drives the slide bar 507 to move, the outer wall of the slide bar 507 is fixedly connected to the tightening block 506, the slide bar 507 drives the tightening block 506 to move, the outer wall of the slide bar 507 is fixedly connected to one end of the two springs 509 through the bracket, and the slide bar 507 drives the spring 509 to extend.

[0026] Working principle:

[0027] When the hardness of modified plastics needs to be tested:

[0028] Modified plastic fixation stage:

[0029] First, the operator places the modified plastic plate to be tested between the four limit columns 6, and then pulls the pull block 508, the pull block 508 drives the sliding rod 507 to move, the sliding rod 507 drives the pressing block 506 to move, and at the same time the spring 509 is compressed, the external power supply of the motor 501 is turned on, the motor 501 is started, the motor 501 drives the second gear 502 to rotate, the second gear 502 drives the third gear 503 to rotate, the third gear 503 drives the second rack 504 to move, the second rack 504 drives the connecting plate 505 to move, the connecting plate 505 drives the limit column 6 to move, after the limit column 6 is pressed against the modified plastic plate, the motor 501 stops working, and then the operator releases the pull block 508, the spring 509 drives the sliding rod 507 to reset, the sliding rod 507 drives the pressing block 506 to move, and the pressing block 506 presses against the third gear 503, and the above method is used to prevent the limit column 6 from moving.

[0030] Modified plastic hardness testing stage:

[0031] The external power supply of the electric telescopic rod 202 is turned on, and the electric telescopic rod 202 is started. The electric telescopic rod 202 drives the first rack 203 to move, and the first rack 203 drives the first gear 204 to rotate. The first gear 204 drives the two rollers 205 to rotate at the same time, and the roller 205 drives the slider 206 to move, and the slider 206 drives the pressure block 207 to move, and the pressure block 207 drives the cushion 3 to move. When the pressure block 207 moves, the external power supply of the pressure sensor 9 is turned on, and the pressure sensor 9 is started. The pressure blocks 207 on both sides respectively press the modified plastic plate and the pressure sensor 9, so that the pressure sensor 9 and the modified plastic plate are pressed tightly. The pressure received on the surface of the plastic plate is consistent. The hardness of the modified plastic plate is tested in the above manner. After the test is completed, the electric telescopic rod 202 contracts, and the two pressure blocks 207 are moved away from the modified plastic plate and the pressure sensor 9 in the above manner. Then the operator pulls the pull block 508, and the pressing block 506 is no longer pressed against the third gear 503 in the above manner. Then the motor 501 is reversed, and the limit column 6 can be moved away from the modified plastic plate in the above manner. Then the motor 501 stops rotating, and the operator releases the pull block 508, removes the modified plastic plate, and completes the hardness test of the modified plastic.

[0032] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A hardness testing device for modified plastics, comprising a main body (1), characterized in that: A synchronous detection mechanism (2) is provided inside the main body (1); an outer wall of the main body (1) is fixedly connected to a second shell (4); a modified plastic fixing mechanism (5) is provided inside the second shell (4); an outer wall of the second shell (4) is fixedly connected to a baffle (7); an outer wall of the second shell (4) is slidably connected to a plurality of limit columns (6) via a slide groove; the outer walls of the plurality of limit columns (6) penetrate the second shell (4) via the slide groove; and an outer wall of the main body (1) is fixedly connected to a third shell (8).

2. The hardness testing device for modified plastics according to claim 1, characterized in that: The synchronous detection mechanism (2) comprises a first shell (201), the outer wall of the first shell (201) is fixedly connected to the main body (1), the inner wall of the first shell (201) is fixedly connected to the bottom end of the electric telescopic rod (202), the end of the electric telescopic rod (202) is fixedly connected to the first rack (203), the first rack (203) is meshingly connected to the first gear (204), the outer wall of the first gear (204) is fixedly connected to two rollers (205) via a bracket, the outer walls of the two rollers (205) are rotatably connected to the main body (1) via bearings and brackets, the outer walls of the two rollers (205) are slidably connected to the slider (206) via a sliding groove, and the outer wall of the slider (206) is fixedly connected to the pressing block (207) via a bracket.

3. The hardness testing device for modified plastics according to claim 2, characterized in that: The outer walls of the two sliding blocks (206) are slidably connected to the inner wall of the main body (1) via a sliding groove, and the outer walls of the two pressing blocks (207) are provided with soft pads (3).

4. The hardness testing device for modified plastics according to claim 1, characterized in that: The modified plastic fixing mechanism (5) comprises a motor (501) and a sliding rod (507); the outer wall of the motor (501) is fixedly connected to the second housing (4) via a bracket; the output shaft of the motor (501) is fixedly connected to the second gear (502); the second gear (502) is meshedly connected to two third gears (503); the two third gears (503) are respectively meshedly connected to two second racks (504); the outer walls of the two second racks (504) are fixedly connected to the connecting plate (505); the outer wall of the sliding rod (507) is slidably connected to the second housing (4) via a through hole; the outer wall of the sliding rod (507) is fixedly connected to the pulling block (508); the outer wall of the sliding rod (507) is fixedly connected to the pressing block (506); and the outer wall of the sliding rod (507) is fixedly connected to one end of two springs (509) via a bracket.

5. The hardness testing device for modified plastics according to claim 1, characterized in that: The outer wall of the third shell (8) is fixedly connected to the pressure sensor (9), and the pressure sensor (9) is electrically connected to the external display screen.

6. The hardness testing device for modified plastics according to claim 4, characterized in that: The outer wall of the connecting plate (505) is fixedly connected to the two limiting columns (6), and the other ends of the two springs (509) are fixedly connected to the second housing (4).

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