Plastic structural member test frame

Abstract

The utility model relates to the technical field of plastic structural member testing, in particular to a plastic structural member testing frame. Comprising a protection box body, an opening and closing door plate is arranged on one side wall of the protection box body, a control panel is arranged on the surface of the opening and closing door plate, two sets of movable grooves are formed in the surface of a fixed bottom plate, a movable rectangular plate is arranged in the protection box body, and two sets of movable sliding strips are symmetrically arranged at the bottom of the movable rectangular plate; a fixed baffle is arranged on the surface of the movable rectangular plate, a hydraulic cylinder is arranged above the movable rectangular plate, an extrusion testing plate is arranged above the movable rectangular plate, two sets of movable sliding blocks are arranged in the limiting sliding groove, and two sets of limiting plates are arranged on the surface of the limiting sliding groove in an attached mode; and pressure sensors are embedded in the surfaces of the extrusion test plate and the fixed baffle plate. According to the embodiment of the invention, the device detection efficiency is improved, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of plastic structural component testing, in particular to a plastic structural component testing frame. Background Art

[0002] Plastics are polymer compounds that are polymerized from monomers through addition polymerization or condensation polymerization. They have a medium deformation resistance, between fiber and rubber, and are composed of synthetic resins and additives such as fillers, plasticizers, stabilizers, lubricants, and colorants. The most common method for determining the basic physical properties of polymer materials is to apply stress to the material, measure the deformation, and calculate the stress. The stress-strain curve is

[0003] After searching, in the prior art, Chinese patent application number: CN202122948269.0, application date: 2021-11-29, discloses a plastic material anti-aging strength testing device, including a test bench, stretching mechanisms are fixedly installed on both sides of the upper end of the test bench, a tension hydraulic cylinder is arranged in the middle of the stretching mechanism, a stretching seat is arranged in the middle position of the two groups of stretching mechanisms, a fixing clamp is arranged on the outer surface of one side of the stretching seat, a lifting mechanism is fixedly installed on the outer surface of one side of the stretching mechanism, a lifting hydraulic cylinder is arranged in the middle of the lifting mechanism, a lifting seat is fixedly installed on the outer surface of the upper end of the lifting mechanism, a longitudinal hydraulic cylinder is fixedly installed on the outer surface of the lower end of the lifting seat, a pressure sensor is fixedly installed on the outer surface of the lower end of the longitudinal hydraulic cylinder, and protective plates are arranged all around the upper end of the test bench.

[0004] However, the device still has the following defects: Although the above embodiment is convenient for increasing the detection convenience of the test device and can improve the use effect of the test device and is practical, the protection effect of the device is limited. If the structural parts are squeezed, damaged or collapsed during the detection process, it is easy to cause injuries to the staff. Utility Model Content

[0005] In view of the above problems, the utility model provides a plastic structural component test stand, including a protective box, a side wall of the protective box is provided with an opening and closing door panel, the surface of the opening and closing door panel is provided with a control panel, a side wall of the protective box is embedded with a transparent observation window, the inner bottom end of the protective box is provided with a fixed bottom plate, the surface of the fixed bottom plate is provided with two groups of movable grooves, the interior of the protective box is provided with a movable rectangular plate, and the bottom of the movable rectangular plate is symmetrically provided with two groups of movable slide bars;

[0006] A fixed baffle is provided on the surface of the movable rectangular plate, a limiting slide groove is opened on the surface of the movable rectangular plate, a hydraulic cylinder is provided above the movable rectangular plate, a hydraulic rod is provided above the movable rectangular plate, an extrusion test plate is provided above the movable rectangular plate, two groups of threaded rods are symmetrically provided inside the limiting slide groove, two groups of movable sliders are provided inside the limiting slide groove, two groups of limiting plates are fitted on the surface of the limiting slide groove, and pressure sensors are embedded on the surfaces of the extrusion test plate and the fixed baffle.

[0007] Furthermore, a plurality of groups of fixed support legs are provided at the bottom of the protection box, and the plurality of groups of fixed support legs are respectively located at the bottom corners of the protection box.

[0008] Furthermore, the opening and closing door panel is movably connected to the side wall of the protection box body, and a door panel handle is provided on one end of the surface of the opening and closing door panel.

[0009] Furthermore, the two groups of movable grooves are symmetrically arranged with the central axis of the fixed base plate as the center, the bottom of the movable rectangular plate is fitted with the top of the fixed base plate, the two groups of movable slides are respectively slidably engaged with the two groups of movable grooves, and a push-pull handle is provided on one side wall of the movable rectangular plate.

[0010] Furthermore, the fixed baffle is located at a top side edge of the movable rectangular plate, a fixed block is provided on the surface of the movable rectangular plate, and the fixed block and the fixed baffle are symmetrically arranged with the central axis of the movable rectangular plate as the center.

[0011] Furthermore, the hydraulic cylinder is located on the surface of the fixed block, one end of the hydraulic rod penetrates the surface of the fixed block and is transmission-connected to the output end of the hydraulic cylinder, and the surface of the extrusion test plate is fixedly connected to one end of the hydraulic rod.

[0012] Furthermore, two groups of connecting rods are provided inside the limiting slide groove, one end of the two groups of connecting rods are respectively connected to the surface of the two groups of movable sliders, the other ends of the two groups of connecting rods are respectively connected to the two groups of limiting plates, and the two groups of connecting rods are both slidably fitted inside the limiting slide groove.

[0013] Furthermore, a driving motor is provided inside the limiting slide groove, and the two groups of movable slide blocks are respectively threadedly connected to the surfaces of the two groups of threaded rods, the output end of the driving motor is transmission-connected to one end of the two groups of threaded rods, and the driving motor, hydraulic cylinder and two groups of pressure sensors are electrically connected to the control panel.

[0014] The beneficial effects of the utility model are:

[0015] 1. Place the plastic structural parts on the surface of the movable rectangular plate, and limit the position of the structural parts by two sets of limit plates to prevent the structural parts from shifting during the test and affecting the test results. The hydraulic cylinder drives the hydraulic rod to move while driving the extrusion test plate to move, and the hardness of the plastic structural parts is tested. Then, a pressure sensor is embedded on the surface of the extrusion test plate and the fixed baffle, and the detected pressure signal is transmitted to the control panel, which improves the detection efficiency of the equipment while achieving the effect of improving the practicality of the equipment.

[0016] 2. The setting of the protective box can prevent the plastic structural parts from being squeezed and broken during the inspection process, causing damage to the staff. A transparent observation window is embedded in one side wall of the protective box, which is convenient for the staff to observe the test process. Two sets of movable slide bars are respectively slidably connected with two sets of movable grooves, and the movable rectangular plate slides on the surface of the fixed bottom plate, which is convenient for the staff to take and place the plastic structural parts during the test while achieving the effect of improving the safety of the equipment.

[0017] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 A schematic diagram of the protective box structure according to an embodiment of the utility model is shown;

[0020] Figure 2 A schematic diagram of a fixed base plate structure according to an embodiment of the utility model is shown;

[0021] Figure 3 A front view of a movable rectangular plate structure according to an embodiment of the utility model is shown;

[0022] Figure 4 A schematic cross-sectional view of a movable rectangular plate according to an embodiment of the utility model is shown.

[0023] In the figure: 1. Protective box; 2. Fixed support legs; 3. Opening and closing door panel; 4. Door panel handle; 5. Control panel; 6. Transparent observation window; 7. Air vent; 8. Fixed bottom plate; 9. Moving groove; 10. Moving rectangular plate; 11. Moving slide bar; 12. Push-pull handle; 13. Fixed baffle; 14. Fixed block; 15. Limiting slide groove; 16. Hydraulic cylinder; 17. Hydraulic rod; 18. Extrusion test plate; 19. Threaded rod; 20. Moving slide block; 21. Connecting rod; 22. Limiting plate; 23. Protective pad; 24. Driving motor. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The present utility model provides a plastic structural component test stand, including a protective box 1; illustratively, as Figure 1-4 shown.

[0026] The bottom of the protective box 1 is provided with a plurality of groups of fixed support legs 2, and the plurality of groups of fixed support legs 2 are respectively located at the bottom corners of the protective box 1. A side wall of the protective box 1 is provided with an opening and closing door panel 3, and the opening and closing door panel 3 is movably connected to the side wall of the protective box 1, and a door panel handle 4 is provided at one end of the surface of the opening and closing door panel 3, and a control panel 5 is provided on the surface of the opening and closing door panel 3. A transparent observation window 6 is embedded on one side wall of the protective box 1;

[0027] The central axis of the transparent observation window 6 is located on the same straight line as the central axis of the protective box 1. A vent hole 7 is provided on the top of the protective box 1. A fixed bottom plate 8 is provided at the bottom of the interior of the protective box 1. Two groups of movable grooves 9 are provided on the surface of the fixed bottom plate 8. The two groups of movable grooves 9 are symmetrically arranged with the central axis of the fixed bottom plate 8 as the center. A movable rectangular plate 10 is provided inside the protective box 1. The bottom of the movable rectangular plate 10 is fitted with the top of the fixed bottom plate 8.

[0028] Two groups of movable slide bars 11 are symmetrically provided at the bottom of the movable rectangular plate 10, and the two groups of movable slide bars 11 are respectively slidably engaged with the two groups of movable grooves 9. A push-pull handle 12 is provided on one side wall of the movable rectangular plate 10, and a fixed baffle 13 is provided on the surface of the movable rectangular plate 10. The fixed baffle 13 is located at the edge of one side of the top of the movable rectangular plate 10, and a fixed block 14 is provided on the surface of the movable rectangular plate 10.

[0029] Specifically, the protection box 1 can prevent the plastic structural parts from being squeezed and broken during the inspection process to damage the staff. A transparent observation window 6 is embedded in one side wall of the protection box 1 to facilitate the staff to observe the test process. The two groups of movable slide bars 11 are respectively slidably engaged with the two groups of movable grooves 9, and the movable rectangular plate 10 slides on the surface of the fixed bottom plate 8, which is convenient for the staff to take and place the plastic structural parts during the test.

[0030] The fixed block 14 and the fixed baffle 13 are symmetrically arranged with the central axis of the movable rectangular plate 10 as the center. A limited sliding groove 15 is provided on the surface of the movable rectangular plate 10. A hydraulic cylinder 16 is provided above the movable rectangular plate 10. The hydraulic cylinder 16 is located on the surface of the fixed block 14. A hydraulic rod 17 is provided above the movable rectangular plate 10. One end of the hydraulic rod 17 penetrates the surface of the fixed block 14 and is transmission-connected to the output end of the hydraulic cylinder 16.

[0031] An extrusion test plate 18 is provided above the movable rectangular plate 10, and the surface of the extrusion test plate 18 is fixedly connected to one end of the hydraulic rod 17. Two groups of threaded rods 19 are symmetrically provided inside the limiting slide 15, and two groups of movable sliders 20 are provided inside the limiting slide 15. The two groups of movable sliders 20 are respectively threadedly connected to the surfaces of the two groups of threaded rods 19. Two groups of connecting rods 21 are provided inside the limiting slide 15, and two groups of limiting plates 22 are fitted on the surface of the limiting slide 15.

[0032] One end of the two groups of connecting rods 21 is connected to the surface of the two groups of moving sliders 20, and the other end of the two groups of connecting rods 21 is connected to the two groups of limiting plates 22, and the two groups of connecting rods 21 are slidably fitted inside the limiting slide groove 15. The limiting slide groove 15 is provided with a driving motor 24, and the output end of the driving motor 24 is drivingly connected to one end of the two groups of threaded rods 19. The surfaces of the two groups of limiting plates 22, the extrusion test plate 18 and the fixed baffle 13 are provided with protective pads 23.

[0033] Pressure sensors are embedded in the surfaces of the extrusion test plate 18 and the fixed baffle 13 . The drive motor 24 , the hydraulic cylinder 16 and the two groups of pressure sensors are all electrically connected to the control panel 5 .

[0034] Specifically, the plastic structural part is placed on the surface of the movable rectangular plate 10, and the position of the structural part is limited by the two groups of limit plates 22 to prevent the position of the structural part from shifting during the test and affecting the test results. The hydraulic cylinder 16 drives the hydraulic rod 17 to move and drives the extrusion test plate 18 to move to test the hardness of the plastic structural part. Then, a pressure sensor is embedded in the surface of the extrusion test plate 18 and the fixed baffle 13 to transmit the detected pressure signal to the control panel 5.

[0035] The working principle of a plastic structural component test stand proposed by the embodiment of the utility model is as follows:

[0036] The setting of the protection box 1 can prevent the plastic structural parts from being squeezed and broken during the inspection process to damage the staff. A transparent observation window 6 is embedded in one side wall of the protection box 1 to facilitate the staff to observe the test process. The two groups of movable slide bars 11 are respectively slidably engaged with the two groups of movable grooves 9, and the movable rectangular plate 10 slides on the surface of the fixed bottom plate 8, which is convenient for the staff to take and place the plastic structural parts during the test.

[0037] The plastic structural parts are placed on the surface of the movable rectangular plate 10, and the positions of the structural parts are limited by the two groups of limit plates 22 to prevent the structural parts from being offset during the test and affecting the test results. The hydraulic cylinder 16 drives the hydraulic rod 17 to move while driving the extrusion test plate 18 to move, so as to test the hardness of the plastic structural parts. Then, a pressure sensor is embedded in the surface of the extrusion test plate 18 and the fixed baffle 13, and the detected pressure signal is transmitted to the control panel 5 to complete the test.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A plastic structural component test stand, comprising a protective box (1), characterized in that: A side wall of the protective box (1) is provided with an opening and closing door panel (3), a surface of the opening and closing door panel (3) is provided with a control panel (5), a side wall of the protective box (1) is embedded with a transparent observation window (6), a fixed bottom plate (8) is provided at the bottom end of the interior of the protective box (1), two groups of movable grooves (9) are provided on the surface of the fixed bottom plate (8), a movable rectangular plate (10) is provided inside the protective box (1), and two groups of movable slide bars (11) are symmetrically provided at the bottom of the movable rectangular plate (10); A fixed baffle (13) is provided on the surface of the movable rectangular plate (10), a limiting slide groove (15) is provided on the surface of the movable rectangular plate (10), a hydraulic cylinder (16) is provided above the movable rectangular plate (10), a hydraulic rod (17) is provided above the movable rectangular plate (10), an extrusion test plate (18) is provided above the movable rectangular plate (10), two groups of threaded rods (19) are symmetrically provided inside the limiting slide groove (15), two groups of movable sliders (20) are provided inside the limiting slide groove (15), two groups of limiting plates (22) are fitted on the surface of the limiting slide groove (15), and pressure sensors are embedded in the surfaces of the extrusion test plate (18) and the fixed baffle (13).

2. The plastic structural component test stand according to claim 1, characterized in that: The bottom of the protection box (1) is provided with a plurality of groups of fixed support legs (2), and the plurality of groups of fixed support legs (2) are respectively located at the bottom corners of the protection box (1).

3. The plastic structural component test stand according to claim 2, characterized in that: The opening and closing door panel (3) is movably connected to the side wall of the protection box body (1), and a door panel handle (4) is provided at one end of the surface of the opening and closing door panel (3).

4. The plastic structural component test stand according to claim 3, characterized in that: The two groups of movable grooves (9) are symmetrically arranged with the central axis of the fixed bottom plate (8) as the center, the bottom of the movable rectangular plate (10) is arranged to fit the top of the fixed bottom plate (8), the two groups of movable slide bars (11) are respectively slidably engaged with the two groups of movable grooves (9), and a push-pull handle (12) is provided on one side wall of the movable rectangular plate (10).

5. The plastic structural component test stand according to claim 1, characterized in that: The fixed baffle (13) is located at the top side edge of the movable rectangular plate (10), and a fixed block (14) is provided on the surface of the movable rectangular plate (10). The fixed block (14) and the fixed baffle (13) are symmetrically arranged with the central axis of the movable rectangular plate (10) as the center.

6. The plastic structural component test stand according to claim 5, characterized in that: The hydraulic cylinder (16) is located on the surface of the fixed block (14); one end of the hydraulic rod (17) penetrates the surface of the fixed block (14) and is transmission-connected to the output end of the hydraulic cylinder (16); and the surface of the extrusion test plate (18) is fixedly connected to one end of the hydraulic rod (17).

7. The plastic structural component test stand according to claim 2, characterized in that: Two groups of connecting rods (21) are arranged inside the limiting slide groove (15), one end of the two groups of connecting rods (21) are respectively connected to the surfaces of the two groups of movable sliders (20), the other ends of the two groups of connecting rods (21) are respectively connected to the two groups of limiting plates (22), and the two groups of connecting rods (21) are both slidably fitted inside the limiting slide groove (15).

8. The plastic structural component test stand according to claim 1, characterized in that: A driving motor (24) is provided inside the limiting slide groove (15); the two groups of movable slide blocks (20) are respectively threadedly connected to the surfaces of the two groups of threaded rods (19); the output end of the driving motor (24) is transmission-connected to one end of the two groups of threaded rods (19); and the driving motor (24), the hydraulic cylinder (16) and the two groups of pressure sensors are all electrically connected to the control panel (5).

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