Cutting equipment for cutting glass fiber reinforced polyurethane foam at high speed

By designing a cutting device consisting of a support base, belt frame, and bevel gears, the problem that existing equipment can only cut foam of a single width has been solved, enabling efficient cutting of polyurethane foam of different widths and improving the applicability and ease of operation of the equipment.

CN223998627UActive Publication Date: 2026-03-17ANHUI ZHENSHEN NEW MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

Existing polyurethane foam cutting equipment can only cut foam materials of a single width, which limits its applicability.

Method used

The cutting equipment, which consists of components such as a support base, a fixed belt frame, a movable belt frame, a heating wire, a cylinder, and bevel gears, can clamp and cut polyurethane foam of different widths by adjusting the position of the movable belt frame and controlling the cylinder. The bevel gear meshing enables the belt conveyor to rotate synchronously in opposite directions, reducing friction.

Benefits of technology

It enables efficient cutting of polyurethane foam of different widths, improving the applicability of the equipment and the simplicity of the cutting process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223998627U_ABST
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Abstract

The utility model relates to the technical field of polyurethane foam processing, and discloses a high-speed cutting glass fiber reinforced polyurethane foam cutting device which comprises a supporting seat, a support is fixedly connected to the right side of the supporting seat, a first air cylinder is fixedly installed on the upper surface of the top of the support, and the driving end of the first air cylinder is vertically downward and fixedly connected with a movable frame. A heating wire is fixedly installed on the lower side of the movable frame, a fixed belt frame is fixedly connected to the upper surface of the supporting seat, a movable belt frame is arranged on the upper surface of the supporting seat in a sliding mode, and a driving mechanism for controlling the movable belt frame to move horizontally is arranged in the supporting seat. And a second air cylinder is arranged, and the second air cylinder and the movable belt frame are connected through a connecting block, so that the movable belt frame can be controlled to move, the distance between the first belt conveyor and the second belt conveyor can be adjusted, and polyurethane foams with different widths can be conveniently clamped.
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Description

Technical Field

[0001] This utility model relates to the field of polyurethane foam processing technology, specifically a high-speed cutting device for glass fiber reinforced polyurethane foam. Background Technology

[0002] Polyurethane foam is a soft, shock-absorbing, and lightweight material used to protect goods due to its unique properties. Typically, larger polyurethane foams first need to be cut into specific sizes. Then, the cut foam blocks are further cut according to the dimensions of the goods to be protected, ensuring the goods can be placed inside the foam for protection. Existing polyurethane foam cutting equipment generally uses heating wires; however, this equipment can only cut foam material of a single width, limiting its applicability.

[0003] Therefore, those skilled in the art have provided a high-speed cutting device for glass fiber reinforced polyurethane foam to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this invention is to provide a high-speed cutting device for glass fiber reinforced polyurethane foam to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A high-speed cutting device for fiberglass reinforced polyurethane foam includes a support base. A bracket is fixedly connected to the right side of the support base. A first cylinder is fixedly mounted on the top upper surface of the bracket. The drive end of the first cylinder faces vertically downward and is fixedly connected to a movable frame. A heating wire is fixedly mounted on the lower side of the movable frame. A fixed belt frame is fixedly connected to the upper surface of the support base. A belt shaft is vertically arranged inside the fixed belt frame. A first belt conveyor is sleeved on the surface of the belt shaft. A motor is fixedly mounted on the upper surface of the fixed belt frame. The drive end of the motor is fixedly connected to one end of the belt shaft inside the fixed belt frame. A movable belt frame is slidably arranged on the upper surface of the support base. A belt shaft is also vertically arranged inside the movable belt frame. A second belt conveyor is sleeved on the surface of the belt shaft. A drive mechanism for controlling the translation of the movable belt frame is provided inside the support base.

[0007] As a further embodiment of this utility model: the translation drive mechanism includes a fixed block, which is fixedly disposed inside the support base. A second cylinder is fixedly connected to the upper surface of the fixed block. The driving end of the second cylinder faces the second belt conveyor and is fixedly connected to a connecting block. The upper end of the second extension shaft is fixedly connected to the lower surface of the movable belt frame.

[0008] As a further embodiment of this utility model: a first extension shaft is fixedly connected to the lower end of the belt shaft on the left side inside the fixed belt frame. The lower end of the first extension shaft extends into the interior of the support base and is fixedly connected to a first bevel gear. A rotating shaft is rotatably arranged inside the fixed block. A second bevel gear and a sliding rod are fixedly connected to the two ends of the rotating shaft, respectively. The second bevel gear meshes with the first bevel gear. A sliding sleeve is fitted on the surface of the sliding rod. A third bevel gear is fixedly connected to the surface of the sliding sleeve. A second extension shaft is fixedly connected to the lower end of the belt shaft on the left side inside the movable belt frame. The lower end of the second extension shaft extends into the interior of the support base and is fixedly connected to a fourth bevel gear. The fourth bevel gear meshes with the third bevel gear. Bearings are fixedly installed on the surface of the sliding sleeve and the surface of the second extension shaft. A right-angle rod is fixedly connected to the outer ring surfaces of the two bearings.

[0009] As a further embodiment of this utility model: the outer surface of the sliding rod is provided with a sliding groove, and the inside of the sliding sleeve is provided with a sliding key, which is slidably disposed in the sliding groove on the surface of the sliding rod.

[0010] As a further embodiment of this utility model: the first bevel gear, the second bevel gear, the third bevel gear, and the fourth bevel gear are bevel gears of the same specification.

[0011] As a further improvement of this utility model, rollers are equidistantly and rotatably arranged on the upper side of the support base.

[0012] As a further embodiment of this utility model: both the outer surfaces of the first belt conveyor and the second belt conveyor are provided with anti-slip ridges, which extend to the outer side of the fixed belt frame or the movable belt frame.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] By setting a second cylinder and connecting it to the movable belt frame using a connecting block, the movement of the movable belt frame can be controlled, and the distance between the first and second belt conveyors can be adjusted to facilitate the clamping of polyurethane foam of different widths. Inside the support base, first, second, third, and fourth bevel gears are set to control the synchronous and opposite rotation of the first and second belt conveyors, which is used to control their movement towards the heating wire. Rollers are also provided to reduce the friction between the polyurethane foam box support base. The entire operation process is simple and feasible, and the equipment has greater applicability. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of a high-speed cutting device for glass fiber reinforced polyurethane foam.

[0016] Figure 2 for Figure 1 A schematic diagram of the structure in the AA direction.

[0017] In the diagram: 1. Support base; 2. Fixed belt frame; 3. Motor; 4. First belt conveyor; 5. Movable belt frame; 6. Second belt conveyor; 7. Roller; 8. Bracket; 9. First cylinder; 10. Movable frame; 11. Heating wire; 12. First extension shaft; 13. First bevel gear; 14. Second bevel gear; 15. Rotating shaft; 16. Fixed block; 17. Sliding sleeve; 18. Sliding rod; 19. Third bevel gear; 20. Fourth bevel gear; 21. Second extension shaft; 22. Second cylinder; 23. Connecting block; 24. Right angle rod; 25. Bearing. Detailed Implementation

[0018] Please see Figures 1-2 In this embodiment of the present invention, a high-speed cutting device for glass fiber reinforced polyurethane foam includes a support base 1, a bracket 8 fixedly connected to the right side of the support base 1, a first cylinder 9 fixedly installed on the top upper surface of the bracket 8, the drive end of the first cylinder 9 facing vertically downward and fixedly connected to a movable frame 10, a heating wire 11 fixedly installed on the lower side of the movable frame 10, a fixed belt frame 2 fixedly connected to the upper surface of the support base 1, a belt shaft vertically arranged on the inner side of the fixed belt frame 2, a first belt conveyor 4 sleeved on the surface of the belt shaft, a motor 3 fixedly installed on the upper surface of the fixed belt frame 2, the drive end of the motor 3 fixedly connected to one end of the belt shaft on the inner side of the fixed belt frame 2, a movable belt frame 5 slidably arranged on the upper surface of the support base 1, a belt shaft vertically arranged on the inner side of the movable belt frame 5, a second belt conveyor 6 sleeved on the surface of the belt shaft, and a drive mechanism for controlling the translation of the movable belt frame 5 is provided inside the support base 1.

[0019] Preferably, the translation drive mechanism includes a fixed block 16, which is fixedly disposed inside the support base 1. A second cylinder 22 is fixedly connected to the upper surface of the fixed block 16. The drive end of the second cylinder 22 faces the second belt conveyor 6 and is fixedly connected to a connecting block 23. The upper end of the second extension shaft 21 is fixedly connected to the lower surface of the movable belt frame 5.

[0020] Preferably, a first extension shaft 12 is fixedly connected to the lower end of the belt shaft on the left side inside the fixed belt frame 2. The lower end of the first extension shaft 12 extends into the support base 1 and is fixedly connected to a first bevel gear 13. A rotating shaft 15 is rotatably arranged inside the fixed block 16. A second bevel gear 14 and a sliding rod 18 are fixedly connected to the two ends of the rotating shaft 15, respectively. The second bevel gear 14 and the first bevel gear 13 mesh. A sliding sleeve 17 is sleeved on the surface of the sliding rod 18. A third bevel gear 19 is fixedly connected to the surface of the sliding sleeve 17. A second extension shaft 21 is fixedly connected to the lower end of the belt shaft on the left side inside the movable belt frame 5. The lower end of the second extension shaft 21 extends into the support base 1 and is fixedly connected to a fourth bevel gear 20. The fourth bevel gear 20 and the third bevel gear 19 mesh. Bearings 25 are fixedly installed on the surface of the sliding sleeve 17 and the surface of the second extension shaft 21. A right-angle rod 24 is fixedly connected to the outer ring surface of the two bearings 25.

[0021] Preferably, the outer surface of the sliding rod 18 is provided with a groove, and the inside of the sliding sleeve 17 is provided with a sliding key, which is slidably disposed in the groove on the surface of the sliding rod 18.

[0022] Preferably, the first bevel gear 13, the second bevel gear 14, the third bevel gear 19 and the fourth bevel gear 20 are bevel gears of the same specification.

[0023] Preferably, rollers 7 are equidistantly and rotatably mounted on the upper side of the support base 1.

[0024] Preferably, the outer surfaces of the first belt conveyor 4 and the second belt conveyor 6 are provided with anti-slip ridges, which extend to the outer side of the fixed belt frame 2 or the movable belt frame 5.

[0025] The working principle of this utility model is as follows: This equipment can cut polyurethane foam of different widths. When cutting polyurethane foam, the position of the movable belt frame 5 can be adjusted so that the front and rear sides of the polyurethane foam can be abutted by the protruding edges on the surfaces of the first belt conveyor 4 and the second belt conveyor 6, thereby clamping and fixing the polyurethane foam. When adjusting the movable belt frame 5, the second cylinder 22 is operated to pull the connecting block 23 to move. At this time, the sliding sleeve 17 slides on the surface of the sliding rod 18, and the traction of the right angle rod 24 can make the third bevel gear 19 and the fourth bevel gear 20 mesh more tightly, without any deviation that would affect the operation of the equipment. After the position of the movable belt frame 5 is adjusted, the motor 3 is turned on, so that the first belt conveyor 4 rotates. Due to the meshing of the first bevel gear 13 and the second bevel gear 14, and the meshing of the third bevel gear 19 and the fourth bevel gear 20, the movable belt frame 5 can also rotate. The first belt conveyor 4 and the movable belt frame 5 rotate in opposite directions, thereby pushing the polyurethane foam to the underside of the heating wire 11 for cutting.

[0026] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A high speed cutting device for cutting fiberglass reinforced polyurethane foam, comprising a support base (1), characterized in that: The right side of the support seat (1) is fixedly connected with a support (8), a first air cylinder (9) is fixedly installed on the top surface of the support (8), the driving end of the first air cylinder (9) vertically faces downward and is fixedly connected with a movable frame (10), an electric heating wire (11) is fixedly installed on the lower side of the movable frame (10), a fixed belt frame (2) is fixedly connected to the upper surface of the support seat (1), a belt shaft is vertically arranged on the inner side of the fixed belt frame (2), a first belt machine (4) is sleeved on the surface of the belt shaft, a motor (3) is fixedly installed on the upper surface of the fixed belt frame (2), the driving end of the motor (3) and one end of the belt shaft on the inner side of the fixed belt frame (2) are fixedly connected, a movable belt frame (5) is slidingly arranged on the upper surface of the support seat (1), a belt shaft is also vertically arranged on the inner side of the movable belt frame (5), a second belt machine (6) is sleeved on the surface of the belt shaft, and a driving mechanism for controlling the translation of the movable belt frame (5) is arranged in the support seat (1).

2. A high speed cutting device for cutting fiberglass reinforced polyurethane foam according to claim 1, characterized in that: The translation driving mechanism comprises a fixed block (16) which is fixedly arranged in the support seat (1), a second air cylinder (22) is fixedly connected to the upper surface of the fixed block (16), the driving end of the second air cylinder (22) faces the second belt machine (6) and is fixedly connected with a connecting block (23), and the upper end of the second extension shaft (21) is fixedly connected to the lower surface of the movable belt frame (5).

3. A high speed cutting device for cutting fiberglass reinforced polyurethane foam according to claim 2, wherein: The lower end of the belt shaft on the left side in the fixed belt frame (2) is fixedly connected with a first extension shaft (12), the lower end of the first extension shaft (12) extends into the support seat (1) and is fixedly connected with a first bevel gear (13), a rotating shaft (15) is rotatably arranged in the fixed block (16), the two ends of the rotating shaft (15) are respectively fixedly connected with a second bevel gear (14) and a sliding rod (18), the second bevel gear (14) is engaged with the first bevel gear (13), a sliding sleeve (17) is sleeved on the surface of the sliding rod (18), a third bevel gear (19) is fixedly connected to the surface of the sliding sleeve (17), the lower end of the belt shaft on the left side in the movable belt frame (5) is fixedly connected with a second extension shaft (21), the lower end of the second extension shaft (21) extends into the support seat (1) and is fixedly connected with a fourth bevel gear (20), the fourth bevel gear (20) is engaged with the third bevel gear (19), bearings (25) are fixedly installed on the surface of the sliding sleeve (17) and the surface of the second extension shaft (21), and the outer ring surfaces of the two bearings (25) are fixedly connected with a right-angle rod (24).

4. A high speed cutting device for cutting fiberglass reinforced polyurethane foam according to claim 3, wherein: A sliding groove is arranged on the outer surface of the sliding rod (18), and a sliding key is arranged in the sliding sleeve (17) and slidingly arranged in the sliding groove on the surface of the sliding rod (18).

5. A high speed cutting device for cutting fiberglass reinforced polyurethane foam according to claim 4, wherein: The first bevel gear (13), the second bevel gear (14), the third bevel gear (19) and the fourth bevel gear (20) are bevel gears of the same specification.

6. A high speed cutting device for cutting fiberglass reinforced polyurethane foam according to claim 1, wherein: Rollers (7) are equidistantly and rotatably arranged on the upper side of the support seat (1).

7. A high speed cutting device for cutting fiberglass reinforced polyurethane foam according to claim 1, wherein: The outer side surface of the first belt conveyor (4) and the second belt conveyor (6) is provided with anti-skid convex ribs, which extend to the outer side of the fixed belt support (2) or the movable belt support (5).