A plastic product strength testing device

Abstract

The utility model provides a plastic product strength detection device, which belongs to the technical field of strength detection, and comprises a stretching machine main body, a stretching support frame, a stretching driving screw, a stretching fixed plate, a stretching driving motor, a stretching clamping mechanism and a cleaning and protection mechanism; the stretching support frame is welded in the middle of the upper part of the stretching machine main body; the stretching driving screw is rotatably connected to the left and right sides of the inner part of the stretching support frame respectively; the stretching fixed plate is slidably connected to the inner side of the stretching support frame; the stretching driving motor is fixedly connected to the inner part of the stretching machine main body; the stretching clamping mechanism is arranged above the stretching machine main body; the cleaning and protection mechanism is arranged on the outer side of the stretching support frame, so as to avoid the detection personnel from manually cleaning the stretching machine main body and facilitate the use of the detection personnel.

Description

Technical Field

[0001] The utility model belongs to the technical field of strength detection, and more specifically, particularly relates to a plastic product strength detection device. Background Art

[0002] When producing plastic products, it is generally necessary to prepare samples for testing on the same batch of plastic products. When conducting strength testing on existing plastic products, a tensile testing machine is generally used to perform tensile testing on plastic standard parts. When conducting tensile testing on existing plastic standard parts, it is generally necessary to clamp and fix the standard parts. After the fixation is completed, the standard parts are stretched using a tensile machine until the standard parts are broken, and the threshold value when the plastic products are broken is recorded to perform strength testing on the plastic products.

[0003] The utility model with the existing application number 202122660245.5 discloses a strength testing device for a fully biodegradable plastic product, including a base, a fixed groove is provided on the top of the base, a stretching machine is slidably connected to the top of the fixed groove, a stretching rod is slidably connected inside the stretching machine, gear teeth are fixedly installed above the stretching rod, a gear is connected to the upper bearing of the stretching machine, the gear and the gear teeth are meshed with each other, after the plastic is fixed, the gear starts to rotate, driving the stretching rod to move left in the stretching machine, which can achieve the effect of stretching the plastic, and the gear can control the stretching length to achieve the effect of strength testing, a buckle hole is provided inside the fixed groove, and a fixed buckle is provided at the bottom of the stretching machine, the fixed buckle is pulled outward, the position of the stretching machine is moved left and right, and after fixing the appropriate position, the fixed buckle is inserted into the buckle hole, which can achieve the effect of adjusting the position of the stretching machine and adapting to a variety of plastics. The utility model has the characteristics of easy disassembly and strength testing.

[0004] Based on the above, when performing strength testing on plastic products, many harder plastic products will produce more debris when they are pulled apart. These debris will fall onto the testing machine, resulting in the need to clean the debris before using the testing machine next time. This operation is inconvenient and affects the testing efficiency of plastic products. Utility Model Content

[0005] In order to solve the above technical problems at least to a certain extent, the utility model provides a plastic product strength detection device.

[0006] The purpose and effect of the plastic product strength detection device of the utility model are achieved by the following specific technical means:

[0007] A plastic product strength testing device comprises a stretching machine body, a stretching support frame, a stretching drive screw, a stretching fixing plate, a stretching drive motor, a stretching clamping mechanism and a cleaning and protection mechanism;

[0008] The stretching support frame is welded in the middle of the upper part of the stretching machine body;

[0009] The stretching drive screws are provided with two groups in total, and the two groups of stretching drive screws are rotatably connected to the left and right sides of the interior of the stretching support frame respectively, and the thread rotation directions of the two groups of stretching drive screws are opposite;

[0010] The stretching fixing plate is slidably connected to the inner side of the stretching support frame, and the left and right ends of the stretching fixing plate are respectively threadedly connected to the stretching driving lead screw;

[0011] The stretching drive motor is fixedly connected to the inside of the stretching machine body, and the rotating shaft of the stretching drive motor is connected to the stretching drive lead screw through a pulley;

[0012] The stretching clamping mechanism is arranged above the stretching machine body;

[0013] The cleaning and protection mechanism is arranged on the outside of the stretching support frame.

[0014] Furthermore, the stretching clamping mechanism comprises: a stretching fixing member, a stretching clamping plate and a clamping handle;

[0015] There are two groups of stretching fixtures, both of which are C-shaped structures, wherein the upper group of stretching fixtures is fixedly connected to the middle position below the stretching fixture plate, and the lower group of stretching fixtures is fixedly connected to the middle position above the stretching machine body;

[0016] The stretching clamping plates are provided in two groups, and the two groups of stretching clamping plates are respectively slidably connected to the inner rear end of the stretching fixing member;

[0017] There are two groups of clamping handles in total, and both groups of clamping handles are rotatably connected to the rear end of the stretching clamping plate, and both groups of clamping handles are threadedly connected to the stretching fixing piece.

[0018] Further, the cleaning and protection mechanism includes: a cleaning gear, a first cleaning rack and a second cleaning rack;

[0019] The cleaning gears are provided in two groups, and the two groups of cleaning gears are rotatably connected to the lower ends of the left and right sides of the stretching support frame respectively;

[0020] The first cleaning racks are provided with two groups in total, the two groups of first cleaning racks are respectively fixedly connected to the left and right ends of the stretching fixed plate, the two groups of first cleaning racks are both slidably connected to the stretching support frame, and the two groups of first cleaning racks are both meshed at the front end of the cleaning gear;

[0021] There are two groups of the second cleaning racks, which are slidably connected to the left and right sides of the upper part of the stretching machine body respectively, and are meshed with the lower end of the cleaning gear.

[0022] Furthermore, the cleaning and protection mechanism also includes: a cleaning scraper plate and a collection box;

[0023] The cleaning scraping plate is fixedly connected to the rear ends of the two sets of second cleaning racks, and the lower end of the cleaning scraping plate is in frictional contact with the upper end surface of the stretching machine body;

[0024] The collecting box is fixedly connected above the rear end of the stretching machine body.

[0025] Furthermore, the cleaning and protection mechanism also includes: a protection connecting rack, a protection driving gear and a detection protection plate;

[0026] The protective connecting rack is fixedly connected to the right end of the stretching fixing plate, and the protective connecting rack is slidably connected to the front right end of the stretching support frame;

[0027] The protection driving gear is rotatably connected to the upper right end of the stretching machine body, and the protection driving gear is meshed with the protection connecting rack;

[0028] The detection protection plate is coaxially fixedly connected to the front end of the rotating shaft of the protection driving gear.

[0029] Furthermore, the cleaning and protection mechanism also includes: a damping fixing member, a damping brake shoe and an extrusion spring;

[0030] The damping fixing member is fixedly connected to the left side of the front end of the stretching support frame;

[0031] The damping brake shoe is slidably connected to the inner side of the damping fixing member, and the lower end of the damping brake shoe is in frictional contact with the rotating shaft of the protection driving gear;

[0032] The extrusion spring is fixedly connected to the upper end of the damping fixing piece, and the upper end of the extrusion spring is fixedly connected to the damping brake shoe.

[0033] Compared with the prior art, the utility model has the following beneficial effects:

[0034] The utility model arranges a cleaning protection mechanism, when the plastic standard parts are inspected, the stretching fixing plate moves upward to drive the protection connecting rack to move upward, the protection connecting rack moves upward to drive the protection driving gear to rotate, the protection driving gear rotates to drive the inspection protection plate to flip, the inspection protection plate stands up to protect the inspection area, avoids the inspectors from being stabbed by flying debris, ensures the safety of the inspectors, and improves the safety of the entire inspection device.

[0035] The utility model arranges the cleaning protection mechanism, the stretching fixed plate moves upward and drives the first cleaning rack to move upward, the first cleaning rack moves upward and drives the cleaning gear to rotate, the cleaning gear rotates and drives the second cleaning rack to move forward, the second cleaning rack moves forward and drives the cleaning scraping plate to move forward, when the detection is completed, the stretching fixed plate is driven to move downward, the stretching fixed plate moves downward and drives the cleaning scraping plate to move backward, the cleaning scraping plate moves forward to clean the upper end surface of the stretching machine body, the cleaning scraping plate scrapes the debris into the inside of the collection box, the collection box realizes the collection of the debris, avoids the inspector manually cleaning the stretching machine body, reduces the labor intensity of the inspector, facilitates the use of the inspector, and improves the efficiency of the strength detection of plastic products. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0037] Figure 2 It is a schematic diagram of the structure of the collection box of the utility model.

[0038] Figure 3 It is a schematic diagram of the structure of the stretching drive motor of the utility model.

[0039] Figure 4 It is a schematic diagram of the structure of the detection protection plate of the utility model.

[0040] Figure 5 It is a schematic diagram of the structure of the damping brake shoe of the utility model.

[0041] Figure 6 It is a schematic diagram of the structure of the cleaning and protection mechanism of the utility model.

[0042] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0043] 1. Stretching machine body; 101. Stretching fixture; 102. Stretching clamping plate; 103. Clamping handle; 2. Stretching support frame; 3. Stretching drive screw; 4. Stretching fixture plate; 401. Cleaning gear; 402. First cleaning rack; 403. Second cleaning rack; 404. Cleaning scraper plate; 405. Collecting box; 406. Protective connecting rack; 407. Protective driving gear; 408. Detection protection plate; 409. Damping fixture; 410. Damping brake shoe; 411. Extrusion spring; 5. Stretching drive motor. DETAILED DESCRIPTION

[0044] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0045] Embodiment 1:

[0046] like Figures 1 to 3As shown:

[0047] This embodiment provides a plastic product strength detection device, comprising a stretching machine body 1, a stretching support frame 2, a stretching drive screw 3, a stretching fixing plate 4, a stretching drive motor 5 and a stretching clamping mechanism;

[0048] The stretching support frame 2 is welded in the middle of the upper part of the stretching machine body 1;

[0049] There are two sets of stretching drive screws 3, which are rotatably connected to the left and right sides of the inside of the stretching support frame 2, and the thread rotation directions of the two sets of stretching drive screws 3 are opposite;

[0050] The stretching fixing plate 4 is slidably connected to the inner side of the stretching support frame 2, and the left and right ends of the stretching fixing plate 4 are respectively threadedly connected to the stretching driving screw 3;

[0051] The stretching drive motor 5 is fixedly connected to the inside of the stretching machine body 1, and the rotating shaft of the stretching drive motor 5 is transmission-connected to the stretching drive lead screw 3 through a pulley;

[0052] The stretching clamping mechanism is arranged above the stretching machine body 1 .

[0053] The stretching clamping mechanism includes: a stretching fixing member 101, a stretching clamping plate 102 and a clamping handle 103;

[0054] There are two groups of stretching fixtures 101, both of which are C-shaped structures, wherein the upper group of stretching fixtures 101 is fixedly connected to the middle position below the stretching fixture plate 4, and the lower group of stretching fixtures 101 is fixedly connected to the middle position above the stretching machine body 1;

[0055] There are two groups of stretching clamping plates 102, and the two groups of stretching clamping plates 102 are slidably connected to the inner rear end of the stretching fixing member 101 respectively;

[0056] There are two groups of clamping handles 103 , and both groups of clamping handles 103 are rotatably connected to the rear end of the stretching clamping plate 102 . Both groups of clamping handles 103 are threadedly connected to the stretching fixing piece 101 .

[0057] During use, when the strength of standard parts of plastic products is tested, the standard parts are placed on the inner side of the two sets of stretching fixing parts 101, and then the clamping handle 103 is rotated. The rotation of the clamping handle 103 drives the stretching clamping plate 102 to move forward. The stretching clamping plate 102 moves forward to clamp and fix the standard parts. Then the stretching drive motor 5 is turned on. The rotation of the shaft of the stretching drive motor 5 drives the stretching drive screw 3 to rotate. The rotation of the stretching drive screw 3 drives the stretching fixing plate 4 to move upward. The stretching fixing plate 4 moves the standard parts upward to stretch them. When the standard parts are broken, the threshold value of the tension applied to the standard parts when they are broken is recorded. At this time, the strength test of the plastic products is achieved.

[0058] Embodiment 2:

[0059] The utility model provides a plastic product strength detection device. Based on the first embodiment, Figures 1 to 6 As shown, a cleaning and protection mechanism is also included, and the cleaning and protection mechanism is arranged on the outside of the stretching support frame 2.

[0060] The cleaning and protection mechanism includes: a cleaning gear 401, a first cleaning rack 402, a second cleaning rack 403, a cleaning scraper plate 404, a collection box 405, a protection connecting rack 406, a protection driving gear 407, a detection protection plate 408, a damping fixing 409, a damping brake shoe 410 and an extrusion spring 411;

[0061] There are two groups of cleaning gears 401, and the two groups of cleaning gears 401 are rotatably connected to the lower ends of the left and right sides of the stretching support frame 2 respectively;

[0062] There are two sets of first cleaning racks 402, which are respectively fixedly connected to the left and right ends of the stretching fixed plate 4, and are both slidably connected to the stretching support frame 2. Both sets of first cleaning racks 402 are meshed with the front end of the cleaning gear 401;

[0063] There are two sets of second cleaning racks 403, which are slidably connected to the left and right sides of the upper part of the stretching machine body 1, and are meshed with the lower end of the cleaning gear 401.

[0064] The cleaning scraping plate 404 is fixedly connected to the rear ends of the two sets of second cleaning racks 403, and the lower end of the cleaning scraping plate 404 is in frictional contact with the upper end surface of the stretching machine body 1;

[0065] The collecting box 405 is fixedly connected above the rear end of the stretching machine body 1;

[0066] The protective connecting rack 406 is fixedly connected to the right end of the stretching fixed plate 4, and the protective connecting rack 406 is slidably connected to the front right end of the stretching support frame 2;

[0067] The protection driving gear 407 is rotatably connected to the upper right end of the stretching machine body 1, and the protection driving gear 407 is meshed with the protection connecting rack 406;

[0068] The detection protection plate 408 is coaxially fixedly connected to the front end of the rotating shaft of the protection driving gear 407;

[0069] The damping fixing member 409 is fixedly connected to the left side of the front end of the stretching support frame 2;

[0070] The damping brake shoe 410 is slidably connected to the inner side of the damping fixing member 409, and the lower end of the damping brake shoe 410 is in frictional contact with the rotating shaft of the protection driving gear 407;

[0071] The extrusion spring 411 is fixedly connected to the upper end of the damping fixing member 409 , and the upper end of the extrusion spring 411 is fixedly connected to the damping brake shoe 410 .

[0072] During use, when the plastic standard parts are inspected, the stretching fixed plate 4 moves upward to drive the protective connecting rack 406 to move upward, and the protective connecting rack 406 moves upward to drive the protective driving gear 407 to rotate, and the rotation of the protective driving gear 407 drives the detection protective plate 408 to flip, and the detection protective plate 408 stands up to protect the detection area and ensure the safety of the inspectors. At the same time, the damping brake shoe 410, under the action of the extrusion spring 411, realizes the damping effect of the detection protective plate 408, and the upward movement of the stretching fixed plate 4 also drives the first cleaning rack 402 moves upward, the first cleaning rack 402 moves upward to drive the cleaning gear 401 to rotate, the cleaning gear 401 rotates to drive the second cleaning rack 403 to move forward, the second cleaning rack 403 moves forward to drive the cleaning scraper plate 404 to move forward, when the detection is completed, the stretching fixed plate 4 is driven to move downward, the stretching fixed plate 4 moves downward to drive the cleaning scraper plate 404 to move backward, the cleaning scraper plate 404 moves forward to clean the upper end surface of the stretching machine body 1, the cleaning scraper plate 404 scrapes the debris into the collection box 405, and the collection box 405 collects the debris.

Claims

1. A plastic product strength testing device, comprising a stretching machine body (1), a stretching support frame (2), a stretching drive screw (3), a stretching fixing plate (4), a stretching drive motor (5), a stretching clamping mechanism and a cleaning and protection mechanism; characterized in that: The stretching support frame (2) is welded to the middle of the upper part of the stretching machine body (1); two groups of stretching drive screws (3) are arranged in total, and the two groups of stretching drive screws (3) are rotatably connected to the left and right sides of the inside of the stretching support frame (2), respectively, and the thread rotation directions of the two groups of stretching drive screws (3) are opposite; the stretching fixed plate (4) is slidably connected to the inner side of the stretching support frame (2), and the left and right ends of the stretching fixed plate (4) are respectively threadedly connected to the stretching drive screw (3); the stretching drive motor (5) is fixedly connected to the inside of the stretching machine body (1), and the rotating shaft of the stretching drive motor (5) is transmission-connected to the stretching drive screw (3) through a pulley; the stretching clamping mechanism is arranged above the stretching machine body (1); and the cleaning and protection mechanism is arranged on the outer side of the stretching support frame (2).

2. The plastic product strength detection device according to claim 1, characterized in that: The stretching clamping mechanism comprises: a stretching fixing member (101), a stretching clamping plate (102) and a clamping handle (103); the stretching fixing member (101) is provided in two groups, and the two groups of stretching fixing members (101) are both C-shaped structures, wherein the upper group of stretching fixing members (101) is fixedly connected to the middle position below the stretching fixing plate (4), and the lower group of stretching fixing members (101) is fixedly connected to the middle position above the stretching machine body (1); the stretching clamping plates (102) are provided in two groups, and the two groups of stretching clamping plates (102) are respectively slidably connected to the inner rear end of the stretching fixing member (101); the clamping handle (103) is provided in two groups, and the two groups of clamping handles (103) are both rotatably connected to the rear end of the stretching clamping plate (102), and the two groups of clamping handles (103) are both threadedly connected to the stretching fixing member (101).

3. The plastic product strength testing device according to claim 1, characterized in that: The cleaning and protection mechanism comprises: a cleaning gear (401), a first cleaning rack (402) and a second cleaning rack (403); the cleaning gear (401) is provided in two groups, and the two groups of cleaning gears (401) are respectively rotatably connected to the lower ends of the left and right sides of the stretching support frame (2); the first cleaning rack (402) is provided in two groups, and the two groups of first cleaning racks (402) are respectively fixedly connected to the left and right ends of the stretching fixed plate (4), and the two groups of first cleaning racks (402) are both slidably connected to the stretching support frame (2), and the two groups of first cleaning racks (402) are both meshed at the front end of the cleaning gear (401); the second cleaning rack (403) is provided in two groups, and the two groups of second cleaning racks (403) are respectively slidably connected to the upper left and right sides of the stretching machine body (1), and the two groups of second cleaning racks (403) are both meshed at the lower end of the cleaning gear (401).

4. The plastic product strength testing device according to claim 3, characterized in that: The cleaning and protection mechanism also includes: a cleaning scraper plate (404) and a collection box (405); the cleaning scraper plate (404) is fixedly connected to the rear ends of the two sets of second cleaning racks (403), and the lower end of the cleaning scraper plate (404) is in frictional contact with the upper end surface of the stretching machine body (1); the collection box (405) is fixedly connected above the rear end of the stretching machine body (1).

5. The plastic product strength detection device according to any one of claims 1 to 4, characterized in that: The cleaning and protection mechanism also includes: a protection connecting rack (406), a protection driving gear (407) and a detection protection plate (408); the protection connecting rack (406) is fixedly connected to the right end of the stretching fixed plate (4), and the protection connecting rack (406) is slidably connected to the front right end of the stretching support frame (2); the protection driving gear (407) is rotatably connected to the upper right end of the stretching machine body (1), and the protection driving gear (407) is meshed with the protection connecting rack (406); the detection protection plate (408) is coaxially fixedly connected to the front end of the rotating shaft of the protection driving gear (407).

6. The plastic product strength testing device according to claim 5, characterized in that: The cleaning and protection mechanism further comprises: a damping fixing member (409), a damping brake shoe (410) and a compression spring (411); the damping fixing member (409) is fixedly connected to the left side of the front end of the stretching support frame (2); the damping brake shoe (410) is slidably connected to the inner side of the damping fixing member (409), and the lower end of the damping brake shoe (410) is in frictional contact with the rotating shaft of the protection driving gear (407); the compression spring (411) is fixedly connected to the upper end of the damping fixing member (409), and the upper end of the compression spring (411) is fixedly connected to the damping brake shoe (410).

Images