Radiation crosslinking polyolefin foam stretching device
By designing a radiation crosslinked polyolefin foam stretching device including pressing stretching blocks and elastic stretching tables, the problem of uneven tension stress in traditional stretching devices is solved, and a more uniform and safe stretching process is achieved, and the tensile strength and high elasticity of the foam are improved.
Patent Information
- Application Number
- CN202421595009.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-08
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-08
AI Technical Summary
The structure of the traditional radiation crosslinked polyolefin foam stretching device is simple, resulting in excessive stress at both ends fixed positions during stretching, which is easy to become thinner and damaged, and the tension is uneven.
A radiation crosslinked polyolefin foam stretching device including a pressing tension block, a balance plate, a telescopic rod, a cylinder, an elastic stretching table, a protective plate, a spring and a fixed clip seat is designed. By pressing the stretching block and the elastic stretching table of the metal thin plate, uniform stretching and support of the foam is achieved, reducing the stress at the fixed position.
The tensile uniformity and tensile strength of radiation crosslinked polyolefin foam is improved, the risk of breakage at fixed positions is reduced, the tension space is expanded, and the duty space is saved.
Smart Images
Figure CN222844745U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field related to radiation cross-linked polyolefin foam processing, in particular to a radiation cross-linked polyolefin foam stretching device. Background Art
[0002] Radiation cross-linked polyolefin foam uses polyethylene as the main raw material and is mixed with several other auxiliary materials that do not contain any harmful substances. It is first mixed and extruded into shape. Through green and healthy irradiation processing technology, the cross-linking produced by the action of ion radiation on the material changes the original structure of the base material to form a network of independent closed-cell foam structures. This high-tech and high-end closed-cell foam material produced by Huzhou Changyuan Tefa has the advantages of smooth appearance, comfortable feel and good processing performance.
[0003] There are still certain deficiencies in the use of radiation cross-linked polyolefin foam stretching devices in the prior art. The structure of the traditional stretching device is simple, and the two ends of the foam are usually fixed and pulled outward to achieve the purpose of stretching. In this operation mode, during stretching, the positions where the two ends are fixed are subjected to a large tensile force, which causes the fixed positions of the foam to become thin and damaged easily, and the stretching force is uneven. Utility Model Content
[0004] The purpose of the utility model is to provide a radiation cross-linked polyolefin foam stretching device to solve the problem that the traditional stretching device proposed in the above background technology has a simple structure, usually fixing the two ends of the foam and pulling them outward to achieve the purpose of stretching. In this operation mode, during stretching, the positions where the two ends are fixed are subjected to a large tensile force, which causes the positions where the foam is fixed to become thin and damaged easily, and the stretching force is uneven.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a radiation cross-linked polyolefin foam stretching device, comprising a radiation cross-linked polyolefin foam stretching machine frame, a pressing and stretching block is provided on the upper part of the interior of the radiation cross-linked polyolefin foam stretching machine frame, a balancing plate is provided on the top surface of the pressing and stretching block, the upper part of the balancing plate is connected to the cylinder through a telescopic rod, the cylinder is arranged at the middle position of the top of the radiation cross-linked polyolefin foam stretching machine frame, an elastic stretching platform is provided at the middle position of the interior of the radiation cross-linked polyolefin foam stretching machine frame, a protective plate is provided at the front end of the elastic stretching platform, a visual window is provided above the front end of the protective plate, a spring is provided at the middle position of the bottom surface of the elastic stretching platform, a fixed base is provided on the bottom surface of the radiation cross-linked polyolefin foam stretching machine frame, and fixed clamping seats are provided at both ends above the fixed base.
[0006] In a further embodiment, the cross section of the pressing and stretching block is set to a semicircular structure, and the pressing and stretching block is connected to the balance plate by welding.
[0007] In a further embodiment, both sides of the balance plate are slidably connected to the frame of the radiation cross-linked polyolefin foam stretching machine via guide rods, a limiting cap is provided at the top of the guide rod, and the limiting cap is fixedly connected to the guide rod via threads.
[0008] In a further embodiment, the elastic stretching table is set as a metal thin plate structure, and the two sides of the elastic stretching table are slidably connected to the radiation cross-linked polyolefin foam stretching machine frame through fixed sliding rollers and fixed sliding grooves, and the elastic stretching table and the fixed sliding rollers are hingedly connected by hinges, and the two ends of the fixed sliding groove are connected to the protective plate through mounting angle plates, and the mounting angle plates and the protective plate are fixedly connected by hexagonal fixing bolts.
[0009] In a further embodiment, the spring is fixedly connected to the elastic stretching table via an upper fixed sleeve, and the spring is connected to the fixed base via a lower fixed sleeve, a positioning rod is provided inside the spring, the positioning rod is connected to the upper fixed sleeve via sliding connection, and the positioning rod is connected to the lower fixed sleeve via welding.
[0010] In a further embodiment, the cross-section of the fixed clamp seat is set as a horizontal U-shaped structure, pressure plates are provided on both sides of the top of the interior of the fixed clamp seat, and the pressure plate and the fixed clamp seat are fixedly connected by a first fastening bolt, the fixed clamp seat and the fixed base are fixedly connected by a bracket, the bracket and the radiation cross-linked polyolefin foam stretching machine frame are slidably connected by a limit rod, and the bracket and the fixed clamp seat are fixedly connected by a second fastening bolt.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. In the utility model, the cross-section of the pressing and stretching block is set to a semicircular structure, and it is set in the middle position. This position can change the traditional stretching position, press and stretch from the middle to both ends, reduce the force on the fixed positions at both ends, increase the uniformity of the radiation cross-linked polyolefin foam stretching, thereby improving the high resilience and tensile strength of the radiation cross-linked polyolefin foam. Setting it as a semicircular structure can make the radiation cross-linked polyolefin foam stretch in a circular path, without edges and corners around, increase the smoothness of the stretching, expand the stretching space, and save space.
[0013] 2. In the utility model, the elastic stretching table is set as a metal sheet structure, which can support the radiation cross-linked polyolefin foam. The elastic stretching table deforms along with the stretching position of the radiation cross-linked polyolefin foam, does not affect the stretching operation, avoids damage to the radiation cross-linked polyolefin foam, and improves the stretching effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a structural schematic diagram of a radiation cross-linked polyolefin foam stretching device of the utility model;
[0015] Figure 2 It is a structural schematic diagram of the elastic stretching table of the utility model;
[0016] Figure 3 It is a side view of the fixing clamp seat of the utility model;
[0017] Figure 4 It is a side view of the pressing and stretching block of the utility model.
[0018] In the figure: 1. Radiation cross-linked polyolefin foam stretching machine frame; 2. Cylinder; 3. Guide rod; 4. Limiting cap; 5. Balance plate; 6. Pressing and stretching block; 7. Telescopic rod; 8. First fastening bolt; 9. Fixed clamp seat; 10. Pressing plate; 11. Bracket; 12. Limiting rod; 13. Protective plate; 14. Visual window; 15. Fixed base; 16. Installing angle plate; 17. Fixed slide groove; 18. Hexagon socket fixing bolt; 19. Elastic stretching table; 20. Fixed slide roller; 21. Upper fixing sleeve; 22. Spring; 23. Positioning rod; 24. Lower fixing sleeve; 25. Second fastening bolt. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0020] See also Figure 1-4The utility model provides an embodiment: a radiation cross-linked polyolefin foam stretching device, including a radiation cross-linked polyolefin foam stretching machine frame 1, a pressing and stretching block 6 is arranged above the interior of the radiation cross-linked polyolefin foam stretching machine frame 1, a balance plate 5 is arranged on the top surface of the pressing and stretching block 6, the balance plate 5 is connected to the cylinder 2 through a telescopic rod 7, the cylinder 2 is arranged in the middle position of the top of the radiation cross-linked polyolefin foam stretching machine frame 1, an elastic stretching platform 19 is arranged in the middle position of the interior of the radiation cross-linked polyolefin foam stretching machine frame 1, a protective plate 13 is arranged at the front end of the elastic stretching platform 19, a visual window 14 is arranged above the front end of the protective plate 13, a spring 22 is arranged in the middle position of the bottom surface of the elastic stretching platform 19, the radiation cross-linked polyolefin foam A fixed base 15 is provided on the bottom surface of the cotton stretching machine frame 1, and fixed clamp seats 9 are provided at both ends above the fixed base 15; the pressing and stretching block 6 is used to stretch the radiation cross-linked polyolefin foam by pressing, so as to increase the toughness and resilience of the radiation cross-linked polyolefin foam, the balancing plate 5 is used to increase the balance of the pressing and stretching block 6 when lifting and lowering, the elastic stretching platform 19 is used to support the bottom surface of the radiation cross-linked polyolefin foam to avoid breakage during the stretching process, the protective plate 13 is used to protect the front end of the elastic stretching platform 19, the spring 22 is used to reset the elastic stretching platform 19, the fixed base 15 is used to increase the stability of the bottom, and the fixed clamp seat 9 is used to clamp and fix the two ends of the radiation cross-linked polyolefin foam.
[0021] The cross section of the pressing and stretching block 6 is set to a semicircular structure, and the pressing and stretching block 6 is connected to the balance plate 5 by welding. The semicircular structure can make the surface of the pressing and stretching block 6 smooth, making it easier to press the radiation cross-linked polyolefin foam, change the direction of the stretching space, and save more space by stretching up and down.
[0022] The two sides of the balance plate 5 are slidably connected to the radiation cross-linked polyolefin foam stretching machine frame 1 through the guide rod 3. The top of the guide rod 3 is provided with a limit cap 4, and the limit cap 4 is fixedly connected to the guide rod 3 through a thread. The guide rod 3 is used to guide and position the balance plate 5 when it is lifted up and down.
[0023] The elastic stretching platform 19 is set as a metal sheet structure. The two sides of the elastic stretching platform 19 are slidably connected with the radiation cross-linked polyolefin foam stretching machine frame 1 through the fixed sliding roller 20 and the fixed sliding groove 17, and the elastic stretching platform 19 and the fixed sliding roller 20 are hingedly connected by hinges. The two ends of the fixed sliding groove 17 are connected with the protective plate 13 through the mounting angle plate 16, and the mounting angle plate 16 and the protective plate 13 are fixedly connected by the hexagon socket fixing bolts 18. The metal sheet structure makes it easier to press and deform the elastic stretching platform 19, and has good resilience. The elastic stretching platform 19 and the pressing and stretching block 6 can be coordinated by fixing the sliding roller 20; the spring 22 is fixedly connected to the elastic stretching platform 19 through the upper fixing sleeve 21, and the spring 22 is connected to the fixed base 15 through the lower fixing sleeve 24. A positioning rod 23 is provided inside the spring 22, and the positioning rod 23 is connected to the upper fixing sleeve 21 through sliding, and the positioning rod 23 is connected to the lower fixing sleeve 24 through welding. The upper fixing sleeve 21 and the lower fixing sleeve 24 are used to fix the two ends of the spring 22 to increase the firmness of the spring 22.
[0024] The cross-section of the fixed clamp seat 9 is set as a horizontal U-shaped structure, and pressure plates 10 are provided on both sides of the top of the interior of the fixed clamp seat 9, and the pressure plate 10 and the fixed clamp seat 9 are fixedly connected by the first fastening bolts 8, the fixed clamp seat 9 and the fixed base 15 are fixedly connected by the bracket 11, the bracket 11 and the radiation cross-linked polyolefin foam stretching machine frame 1 are slidably connected by the limit rod 12, and the bracket 11 and the fixed clamp seat 9 are fixedly connected by the second fastening bolts 25, the pressure plate 10 is used to press and fix the radiation cross-linked polyolefin foam, the first fastening bolts 8 are used to tighten and adjust the position of the pressure plate 10, and the limit rod 12 is used to limit the moving position of the bracket 11.
[0025] Working principle: When in use, move the fixing clamp seat 9 to the desired positions at both ends, fix it with the second fastening bolt 25, place the two ends of the radiation cross-linked polyolefin foam inside the fixing clamp seat 9, tighten the first fastening bolt 8, press and fix the two ends of the radiation cross-linked polyolefin foam through the pressing plate 10, drive the telescopic rod 7 upward through the cylinder 2, move the pressing and stretching block 6 downward, press and stretch the middle part of the radiation cross-linked polyolefin foam downward through the pressing and stretching block 6, lower the elastic stretching platform 19 downward, deform it to the maximum curvature through the fixed sliding roller 20, stretch the radiation cross-linked polyolefin foam, and also disassemble the elastic stretching platform 19 as needed to stretch the radiation cross-linked polyolefin foam to a greater extent.
[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A radiation cross-linked polyolefin foam stretching device, comprising a radiation cross-linked polyolefin foam stretching machine frame (1), characterized in that: A pressing and stretching block (6) is provided above the interior of the radiation cross-linked polyolefin foam stretching machine frame (1), a balancing plate (5) is provided on the top surface of the pressing and stretching block (6), the top of the balancing plate (5) is connected to the cylinder (2) through a telescopic rod (7), the cylinder (2) is arranged at the middle position of the top of the radiation cross-linked polyolefin foam stretching machine frame (1), an elastic stretching platform (19) is provided at the middle position inside the radiation cross-linked polyolefin foam stretching machine frame (1), a protective plate (13) is provided at the front end of the elastic stretching platform (19), a visual window (14) is provided above the front end of the protective plate (13), a spring (22) is provided at the middle position of the bottom surface of the elastic stretching platform (19), a fixed base (15) is provided on the bottom surface of the radiation cross-linked polyolefin foam stretching machine frame (1), and fixed clamping seats (9) are provided at both ends above the fixed base (15).
2. A radiation cross-linked polyolefin foam stretching device according to claim 1, characterized in that: The cross section of the pressing and stretching block (6) is set to a semicircular structure, and the pressing and stretching block (6) is connected to the balance plate (5) by welding.
3. The radiation cross-linked polyolefin foam stretching device according to claim 1, characterized in that: The two sides of the balance plate (5) are slidably connected to the radiation cross-linked polyolefin foam stretching machine frame (1) via guide rods (3); a limiting cap (4) is provided at the top of the guide rod (3); and the limiting cap (4) and the guide rod (3) are fixedly connected via threads.
4. The radiation cross-linked polyolefin foam stretching device according to claim 1, characterized in that: The elastic stretching platform (19) is configured as a metal sheet structure, and the two sides of the elastic stretching platform (19) are slidably connected to the radiation cross-linked polyolefin foam stretching machine frame (1) through fixed sliding rollers (20) and fixed sliding grooves (17), and the elastic stretching platform (19) and the fixed sliding rollers (20) are hingedly connected through hinges, and the two ends of the fixed sliding groove (17) are connected to the protective plate (13) through mounting angle plates (16), and the mounting angle plates (16) and the protective plate (13) are fixedly connected through hexagon socket fixing bolts (18).
5. The radiation cross-linked polyolefin foam stretching device according to claim 1, characterized in that: The spring (22) is fixedly connected to the elastic stretching platform (19) via an upper fixing sleeve (21), and the spring (22) is connected to the fixed base (15) via a lower fixing sleeve (24). A positioning rod (23) is provided inside the spring (22), and the positioning rod (23) is connected to the upper fixing sleeve (21) by sliding, and the positioning rod (23) is connected to the lower fixing sleeve (24) by welding.
6. The radiation cross-linked polyolefin foam stretching device according to claim 1, characterized in that: The cross section of the fixed clamp seat (9) is set as a horizontal U-shaped structure, and pressure plates (10) are provided on both sides of the top end inside the fixed clamp seat (9), and the pressure plate (10) and the fixed clamp seat (9) are fixedly connected by a first fastening bolt (8), and the fixed clamp seat (9) and the fixed base (15) are fixedly connected by a bracket (11), and the bracket (11) and the radiation cross-linked polyolefin foam stretching machine frame (1) are slidably connected by a limit rod (12), and the bracket (11) and the fixed clamp seat (9) are fixedly connected by a second fastening bolt (25).