High-impact-resistance polypropylene performance testing device

Abstract

The utility model discloses a high impact resistance polypropylene performance testing device, relates to polypropylene performance detection technical field, including the protection box, the inner side of protection box is provided with the through opening, the top of protection box is provided with the bracing frame, and the bracing frame is located the both sides of through opening, the inner side of bracing frame is provided with the rotating shaft, and the rotating shaft is provided with the through opening. And a winding wheel is installed between the rotating shafts, a handle is installed at one end of each rotating shaft, a rope is installed on the outer side of each winding wheel in a winding mode, and a threaded connecting rod is installed at the bottom end of each rope. The winding wheel and the threaded connecting rod are installed, the winding wheel rotates to wind a rope and is used for lifting the height of the threaded connecting rod at the bottom end, the outer side of the threaded connecting rod is movably connected with the inner threaded pipe through threads, a user can conveniently assemble the threaded connecting rod and the inner threaded pipe, and the winding wheel and the threaded connecting rod can be flexibly disassembled and assembled; a user can conveniently replace impact hammers with different sizes according to requirements in the later period, and different requirements of testing are met.

Description

Technical Field

[0001] This utility model relates to the field of polypropylene performance testing technology, specifically a high-impact polypropylene performance testing device. Background Technology

[0002] High-impact polypropylene (PP) is a type of polypropylene plastic that has undergone chemical and physical modification to improve its impact resistance and low-temperature brittleness. It is available in two types: copolymer and blend. For copolymers, see the section on reactor preparation of high-impact polypropylene. For blends, see the section on polypropylene / ethylene propylene rubber blends. Both types of products can be used to manufacture automotive bumpers, side skirts, spoilers, fans, and electrical housings, etc. Impact resistance testing is required after the products are manufactured.

[0003] Patent document CN218646775U discloses "a two-component acrylic acid impact resistance testing device, including a base platform, a U-shaped column fixedly connected to the upper end of the base platform, a long cylinder fixedly connected inside the U-shaped column, an impact pile movably connected inside the long cylinder, and a locking rod fixedly connected to the outer wall of the impact pile. By setting an insert plate in conjunction with a counterweight, the insert plate is inserted into the inside of the long cylinder, and the insert plate drives the counterweight and causes the counterweight to slide from the inside of the transverse groove into the inside of the sleeve, thereby increasing the weight of the impact pile as a whole".

[0004] The aforementioned testing device lacks an auxiliary and flexible disassembly structure, making it inconvenient for users to adjust the counterweight as needed. Utility Model Content

[0005] The purpose of this invention is to provide a high-impact polypropylene performance testing device to solve the technical problem that the existing testing devices lack an auxiliary flexible disassembly structure, making it inconvenient for users to adjust the counterweight as needed.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-impact polypropylene performance testing device, comprising a protective box, a through-hole on the inner side of the protective box, a support frame installed on the top of the protective box, the support frame being located on both sides of the through-hole, a rotating shaft installed on the inner side of the support frame, a winding wheel installed between the rotating shafts, a handle installed at one end of the rotating shaft, a rope wound and installed on the outer side of the winding wheel, the rope being located inside the through-hole, a threaded connecting rod installed at the bottom end of the rope, an internally threaded tube connected to the outer side of the threaded connecting rod, and an impact hammer installed on the outer side of the internally threaded tube.

[0007] Preferably, a support base is installed on the inner bottom wall of the protective box.

[0008] Preferably, telescopic rods are installed through the inner walls on both sides of the protective box.

[0009] Preferably, a clamping plate is installed at one end of the telescopic rod.

[0010] Preferably, the clamping plate is placed vertically on the upper surface of the support base, and a support plate is installed on one side of the clamping plate.

[0011] Preferably, the front of the protective box is connected to a door via a hinge, and an observation window is installed on the inside of the door.

[0012] Preferably, a door handle is installed on the front of the door.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. This utility model is equipped with a winding wheel and a threaded connecting rod. The winding wheel rotates to wind up the rope, which is used to raise the height of the threaded connecting rod at the bottom. The outer side of the threaded connecting rod is movably connected to the internal threaded tube through the thread, which makes it convenient for users to assemble the threaded connecting rod and the internal threaded tube. It can be flexibly disassembled and assembled, which makes it easy for users to replace the impact hammer of different sizes as needed to meet different testing requirements.

[0015] 2. This utility model features a clamping plate and a protective box that supports the telescopic rod, ensuring its operation. The extension and retraction of the telescopic rod causes the clamping plate to move, clamping the polypropylene material and ensuring its stability. At the same time, the support plate lifts the polypropylene material, providing space for its movement and ensuring stable testing. Attached Figure Description

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0018] Figure 3 This is a schematic diagram of the rope structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the impact hammer structure of this utility model.

[0020] In the diagram: 1. Protective box; 2. Telescopic rod; 3. Clamping plate; 4. Support plate; 5. Support base; 6. Support frame; 7. Rotating shaft; 8. Handle; 9. Winding reel; 10. Rope; 11. Threaded connecting rod; 12. Internally threaded pipe; 13. Impact hammer; 14. Door; 15. Observation window. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0023] Please see Figure 1 , Figure 2 , Figure 3 and Figure 4 This utility model provides an embodiment: a high impact-resistant polypropylene performance testing device, including a protective box 1, a through-hole on the inner side of the protective box 1, a support frame 6 installed on the top of the protective box 1, and the support frame 6 located on both sides of the through-hole, a rotating shaft 7 installed on the inner side of the support frame 6, a winding wheel 9 installed between the rotating shafts 7, a handle 8 installed at one end of the rotating shaft 7, a rope 10 wound on the outer side of the winding wheel 9, and the rope 10 located inside the through-hole, a threaded connecting rod 11 installed at the bottom end of the rope 10, an internally threaded tube 12 connected to the outer side of the threaded connecting rod 11, and an impact hammer 13 installed on the outer side of the internally threaded tube 12;

[0024] The through-hole guides the inner rope 10 to move. The protective box 1 fixes the top support frame 6 to ensure the stability of the support frame 6. The support frame 6 supports the inner rotating shaft 7 to ensure that the rotating shaft 7 can rotate smoothly. During the test, the user holds the handle 8 and turns the handle 8 to drive the rotating shaft 7 to rotate. The rotation of the rotating shaft 7 drives the winding wheel 9 to rotate. The winding wheel 9 rotates to wind up the rope 10, which is used to raise the height of the bottom threaded connecting rod 11. The outer side of the threaded connecting rod 11 is movably connected to the internal threaded tube 12 through the thread, which makes it convenient for the user to assemble the threaded connecting rod 11 and the internal threaded tube 12. They can be flexibly disassembled and assembled, which makes it convenient for the user to replace the impact hammer 13 of different sizes as needed to meet different testing requirements.

[0025] When testing impact resistance, the user releases handle 8, and since the impact hammer 13 has no resistance, it will fall freely downwards and strike the polypropylene material. The user then removes the polypropylene material and examines the damage caused by penetrating the polypropylene material. Multiple materials are used for comparison to test the impact resistance of the polypropylene material.

[0026] A support base 5 is installed on the inner bottom wall of the protective box 1;

[0027] The protective box 1 is fixed to the inner support seat 5 to ensure the stability of the support seat 5.

[0028] Telescopic rods 2 are installed through the inner walls of both sides of the protective box 1. A clamping plate 3 is installed at one end of the telescopic rod 2. The clamping plate 3 is placed vertically on the upper surface of the support base 5. A support plate 4 is installed on one side of the clamping plate 3.

[0029] The user places the polypropylene material to be tested between the clamping plates 3. The protective box 1 supports the telescopic rod 2 to ensure the operation of the telescopic rod 2. The extension and retraction of the telescopic rod 2 drives the clamping plate 3 to move. The clamping plate 3 clamps the polypropylene material to ensure the stability of the polypropylene material. At the same time, the support plate 4 lifts the polypropylene material to provide space for the movement of the polypropylene material and ensure that the polypropylene material can be tested stably.

[0030] The protective box 1 has a door 14 connected to the front by a hinge. An observation window 15 is installed on the inside of the door 14, and a door handle is installed on the front of the door 14.

[0031] The door 14 is connected to the front of the protective box 1, which makes it easy to adjust the angle of the door 14. When the two sets of doors 14 are closed, they are used to intercept internal debris.

[0032] Working principle: The user grips handle 8 and rotates handle 8 to drive the rotating shaft 7 to rotate. The rotating shaft 7 drives the winding wheel 9 to rotate, which winds up the rope 10 to raise the height of the bottom threaded connecting rod 11. The outer side of the threaded connecting rod 11 is movably connected to the internal threaded tube 12 via threads, making it convenient for the user to assemble the threaded connecting rod 11 and the internal threaded tube 12. It can be flexibly disassembled and assembled, allowing the user to replace it with different sized impact hammers 13 as needed to meet different testing requirements. The user places the polypropylene material to be tested between the clamping plates 3. The protective box 1 supports two telescopic rods. The support plate 4 ensures the operation of the telescopic rod 2. The extension and retraction of the telescopic rod 2 drives the clamping plate 3 to move. The clamping plate 3 clamps the polypropylene material to ensure its stability. At the same time, the support plate 4 lifts the polypropylene material, providing space for its movement and ensuring that the polypropylene material can be tested stably. When testing the impact resistance, the user releases the handle 8. Since the impact hammer 13 has no resistance, it will fall freely downwards and strike the polypropylene material. Then, the user removes the polypropylene material and examines the damage caused by penetrating the polypropylene material. Multiple materials are used for comparison to test the impact resistance of the polypropylene material.

[0033] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this invention, and no reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A testing device for high impact-resistant polypropylene, characterized in that: The protective box (1) has a through opening on its inner side. A support frame (6) is installed on the top of the protective box (1) and the support frame (6) is located on both sides of the through opening. A rotating shaft (7) is installed on the inner side of the support frame (6). A winding wheel (9) is installed between the rotating shafts (7). A handle (8) is installed at one end of the rotating shaft (7). A rope (10) is wound on the outer side of the winding wheel (9) and is located inside the through opening. A threaded connecting rod (11) is installed at the bottom end of the rope (10). An internal threaded pipe (12) is connected to the outer side of the threaded connecting rod (11). An impact hammer (13) is installed on the outer side of the internal threaded pipe (12).

2. The high impact resistance polypropylene performance testing device according to claim 1, characterized in that: The inner bottom wall of the protective box (1) is equipped with a support base (5).

3. The high impact resistance polypropylene performance testing device according to claim 1, characterized in that: Telescopic rods (2) are installed through the inner walls on both sides of the protective box (1).

4. The high impact resistance polypropylene performance testing device according to claim 3, characterized in that: A clamping plate (3) is installed at one end of the telescopic rod (2).

5. The high impact resistance polypropylene performance testing device according to claim 4, characterized in that: The clamping plate (3) is placed vertically on the upper surface of the support base (5), and a support plate (4) is installed on one side of the clamping plate (3).

6. The high impact resistance polypropylene performance testing device according to claim 1, characterized in that: The protective box (1) has a door (14) connected to the front by a hinge, and an observation window (15) is installed on the inside of the door (14).

7. The high impact resistance polypropylene performance testing device according to claim 6, characterized in that: A door handle is installed on the front of the door (14).

Images