Multi-layer composite rubber and manufacturing method thereof

Abstract

The invention discloses a multi-layer composite rubber and a manufacturing method thereof, the multi-layer composite rubber comprises a bottom layer rubber and a surface layer rubber embedded with the bottom layer rubber, the bottom layer rubber and the surface layer rubber are embedded through a net layer, the inner side of the net layer is embedded with the bottom layer rubber, and the outer side of the net layer is embedded with the surface layer rubber. The outer side of the net layer is embedded in the surface layer rubber, a plurality of linear reinforcing ribs are transversely arranged on the bottom layer rubber in a penetrating mode, and the linear reinforcing ribs transversely penetrate through the net layer. According to the multi-layer composite rubber, the surface layer rubber with relatively weak strength can be stably connected with the bottom layer rubber in a composite manner, so that the overall strength is improved.

Description

Technical Field

[0001] The invention relates to composite rubber, in particular to a multi-layer composite rubber and a manufacturing method thereof. Background Art

[0002] Composite rubber is formed by compounding two or even multiple layers of rubber with different physical properties according to the needs of the use scenario. For example, in a composite rubber, the bottom layer of rubber is harder and the surface layer of rubber is softer. In order to connect the two tightly together, a mesh layer needs to be added between the two during the casting process. However, such a simple method of adding a mesh layer is found to have the following problems in use: the part of the mesh layer embedded in the bottom layer of rubber is easy to detach, resulting in instability in use. Summary of the invention

[0003] The purpose of the present invention is to provide a multi-layer composite rubber and a manufacturing method thereof, wherein the multi-layer composite rubber can stably compositely connect a surface layer rubber with relatively weak strength with a bottom layer rubber to improve the overall strength.

[0004] In order to achieve the above-mentioned purpose, the present invention provides a multi-layer composite rubber, which includes a bottom layer rubber and a surface layer rubber embedded with the bottom layer rubber, the bottom layer rubber and the surface layer rubber are embedded with each other through a mesh layer, the inner side of the mesh layer is embedded with the bottom layer rubber, and the outer side of the mesh layer is embedded with the surface layer rubber, and the bottom layer rubber is transversely penetrated by a plurality of straight reinforcing ribs, and the straight reinforcing ribs are transversely penetrated by the mesh layer.

[0005] Another aspect of the present invention provides a method for manufacturing the multi-layer composite rubber, the method using a manufacturing device; the manufacturing device comprises a mold, the middle of the mold is provided with a mold groove, the left and right sides of the mold groove are respectively provided with a plurality of first through holes and second through holes for passing the linear reinforcing ribs; the manufacturing method comprises the following steps:

[0006] S1, placing the mesh layer in the mold cavity;

[0007] S2, passing the linear reinforcement rib through the first through hole, the second through hole and the bottom of the mesh layer;

[0008] S3, start pouring the bottom rubber layer, and control the pouring surface to the middle of the mesh layer;

[0009] S4, continue pouring the surface rubber;

[0010] S5, demoulding and surface treatment of the multi-layer composite rubber.

[0011] Preferably, the mold is fixed on a bracket, and a first sub-frame is provided on the side of the bracket close to the first plurality of through holes, a first limiting push plate is provided on the side of the first sub-frame facing the mold, and a plurality of first top columns corresponding to the first through holes are provided on the inner side of the first limiting push plate.

[0012] Preferably, a first cylinder is installed on the first sub-frame, the shaft of the first cylinder passes through the first sub-frame and is connected to the first limiting push plate, and two first polished rods that slide through the first sub-frame are symmetrically arranged on the back side of the first limiting push plate.

[0013] Preferably, a second sub-frame is hingedly provided on the side of the bracket close to the plurality of second through holes, a second limiting push plate is provided on the side of the second sub-frame facing the mold, and a plurality of second top columns corresponding one-to-one to the second through holes are provided on the inner side of the second limiting push plate.

[0014] Preferably, two rotating arms are symmetrically arranged at both ends of the second sub-frame on the sides facing the mold, and fixed shafts rotatably matched with the rotating arms are arranged on both sides of the mold.

[0015] Preferably, a supporting shaft is provided at the bottom of the bracket, a shaft seat is provided at the bottom of the second sub-frame, and a second cylinder is provided between the supporting shaft and the shaft seat.

[0016] Preferably, the telescopic shaft of the second cylinder is connected to the shaft seat via a pin shaft.

[0017] Preferably, a third cylinder is installed on the second sub-frame, the shaft of the third cylinder passes through the second sub-frame and is connected to the second limit push plate, and two second polished rods that slide through the second sub-frame are symmetrically arranged on the back of the second limit push plate.

[0018] Preferably, a supporting plate is provided on the outer side of the mold close to the second through hole, and brackets corresponding to the second through holes are provided on the supporting plate.

[0019] According to the above technical scheme, the present invention provides a multi-layer composite rubber, which includes a bottom layer rubber and a surface layer rubber embedded with the bottom layer rubber, the bottom layer rubber and the surface layer rubber are embedded with each other through a mesh layer, the inner side of the mesh layer is embedded with the bottom layer rubber, and the outer side of the mesh layer is embedded with the surface layer rubber, and the bottom layer rubber is transversely penetrated by a plurality of straight reinforcing ribs, and the straight reinforcing ribs are transversely penetrated by the mesh layer.

[0020] The multi-layer composite rubber can stably compositely connect the surface rubber with relatively weak strength with the bottom rubber, thereby improving the overall strength.

[0021] Other features and advantages of the present invention will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention but do not constitute a limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 It is a structural schematic diagram of a preferred embodiment of a multi-layer composite rubber;

[0024] Figure 2 It is a schematic diagram of the overall structure of a preferred embodiment of a manufacturing device;

[0025] Figure 3 yes Figure 2 Another perspective of the overall structure diagram;

[0026] Figure 4 It is a schematic diagram of the top structure of a preferred embodiment of the manufacturing device.

[0027] Description of Reference Numerals

[0028] 1-surface rubber; 2-bottom rubber; 3-mesh layer; 4-straight reinforcement ribs; 5-bracket; 6-first sub-frame; 7-first limit push plate; 8-mold; 9-first through hole; 10-second through hole; 11-first polished rod; 12-first cylinder; 13-second polished rod; 14-third cylinder; 15-second cylinder; 16-second sub-frame; 17-supporting pallet; 18-bracket; 19-supporting shaft; 20-fixed shaft; 21-rotating arm; 22-second limit push plate; 23-second top column; 24-axle seat; 25-pin shaft; 26-first top column. DETAILED DESCRIPTION

[0029] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0030] In the present invention, unless otherwise stated, directional words contained in terms such as "up, down, left, right, front, back, inside, outside" merely represent the orientation of the terms in normal usage, or are common names understood by those skilled in the art, and should not be regarded as limitations on the terms.

[0031] See also Figure 1-4The multi-layer composite rubber comprises a bottom layer rubber 2 and a surface layer rubber 1 embedded with the bottom layer rubber 2, wherein the bottom layer rubber 2 and the surface layer rubber 1 are embedded with each other through a mesh layer 3, wherein the inner side of the mesh layer 3 is embedded with the bottom layer rubber 2, and the outer side of the mesh layer 3 is embedded with the surface layer rubber 1, and the bottom layer rubber 2 is transversely penetrated by a plurality of linear reinforcing ribs 4, and the linear reinforcing ribs 4 are transversely penetrated by the mesh layer 3.

[0032] By implementing the above technical solution, the multi-layer composite rubber can stably connect the weaker surface rubber 1 with the bottom rubber 2, thereby improving the overall strength. Specifically, after a plurality of straight reinforcing ribs 4 are passed through the mesh layer 3, when the mesh layer 3 is pulled upward, it will be disturbed by the straight reinforcing ribs 4, and the contact surface between the straight reinforcing ribs 4 and the bottom rubber 2 is increased, thereby improving the overall strength.

[0033] In addition, another aspect of the present invention provides a method for manufacturing the multi-layer composite rubber, which uses a manufacturing device; the manufacturing device includes a mold 8, a mold groove is provided in the middle of the mold 8, and a plurality of first through holes 9 and second through holes 10 for passing the linear reinforcing ribs 4 are respectively provided on the left and right sides of the mold groove; the manufacturing method includes the following steps:

[0034] S1, placing the mesh layer 3 in the mold groove;

[0035] S2, passing the linear reinforcement rib 4 through the first through hole 9, the second through hole 10 and the bottom of the mesh layer 3;

[0036] S3, start pouring the bottom rubber 2, and control the pouring surface to the middle position of the mesh layer 3;

[0037] S4, continue pouring the surface rubber 1;

[0038] S5, demoulding and surface treatment of the multi-layer composite rubber.

[0039] When the above technical solution is adopted, when the multi-layer composite rubber is poured, the mesh layer 3 is placed in place in advance, and a plurality of straight reinforcing ribs 4 are sequentially passed through the bottom of the mesh layer 3 from the second through hole 10 and then into the first through hole 9, so that the position of the mesh layer 3 can be controlled during pouring.

[0040] In addition, in order to limit the penetration depth of the linear reinforcing ribs, the mold 8 is fixed on the bracket 5, and the side of the bracket 5 close to the first through holes 9 is provided with a first sub-frame 6, and the side of the first sub-frame 6 facing the mold 8 is provided with a first limit push plate 7, and the inner side of the first limit push plate 7 is provided with a plurality of first push posts 26 corresponding to the first through holes 9. The first limit push plate 7 pushes the positions of the plurality of first push posts in the first through holes 9 to control the penetration depth of the linear reinforcing ribs, avoid the occurrence of uneven protruding lengths of the linear reinforcing ribs, and at the same time, the penetration depth of the linear reinforcing ribs can be adjusted as a whole to improve efficiency.

[0041] In this embodiment, a first cylinder 12 is installed on the first sub-frame 6, and the shaft of the first cylinder 12 passes through the first sub-frame 6 and is connected to the first position-limiting push plate 7. Two first polished rods 11 that slide through the first sub-frame 6 are symmetrically arranged on the back of the first position-limiting push plate 7. The first cylinder 12 can push the position of the first position-limiting push plate 7, and the first polished rods 11 play a guiding role.

[0042] In this embodiment, the side of the bracket 5 near the second through holes 10 is hingedly provided with a second sub-frame 16, the side of the second sub-frame 16 facing the mold 8 is provided with a second limit push plate 22, and the inner side of the second limit push plate 22 is provided with a plurality of second top columns 23 corresponding to the second through holes 10. The second sub-frame 16 is a flip structure that can be flipped down. When it is necessary to pass the linear reinforcement rib, the second sub-frame 16 is flipped down to avoid interference. When it is necessary to push the linear reinforcement rib inward, the second sub-frame 16 is flipped upward so that the second top columns 23 on the second sub-frame 16 correspond to the first through holes 9 one by one.

[0043] In this embodiment, two rotating arms 21 are symmetrically arranged at both ends of the second sub-frame 16 facing the side of the mold 8, and fixed shafts 20 are arranged on both sides of the mold 8 to rotate with the rotating arms 21. Through the two rotating arms 21, the second sub-frame 16 can be turned around the fixed shafts 20.

[0044] Furthermore, a support shaft 19 is provided at the bottom of the bracket 5, an axle seat 24 is provided at the bottom of the second sub-frame 16, and a second cylinder 15 is provided between the support shaft 19 and the axle seat 24. The flipping position of the second sub-frame 16 can be adjusted by extending and contracting the second cylinder 15.

[0045] In this embodiment, in order to further provide a connection method between the second cylinder 15 and the shaft seat 24 , the telescopic shaft of the second cylinder 15 is connected to the shaft seat 24 via a pin shaft 25 .

[0046] In this embodiment, a third cylinder 14 is installed on the second sub-frame 16, and the shaft of the third cylinder 14 passes through the second sub-frame 16 and is connected to the second limit push plate 22. Two second polished rods 13 that slide through the second sub-frame 16 are symmetrically arranged on the back of the second limit push plate 22. The working principle is the same as that of the first cylinder 12, which is used to control the insertion depth of the linear reinforcement rib pushed inward, and the second polished rod 13 is used as a guide, and the third cylinder 14 is used as a power source.

[0047] In this embodiment, a support plate 17 is provided on the outer side of the mold 8 near the second through hole 10, and a bracket 18 corresponding to the second through hole 10 is provided on the support plate 17. With such a configuration, when the linear reinforcement rib is pushed inward, the end of the linear reinforcement rib can be pre-mounted on the bracket 18, and the bottom surface of the bracket 18 is configured to be tangent to the bottom surface of the second through hole 10.

[0048] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, a variety of simple modifications can be made to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

[0049] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0050] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A multi-layer composite rubber, characterized in that: The multi-layer composite rubber comprises a bottom layer rubber (2) and a surface layer rubber (1) interlocked with the bottom layer rubber (2); the bottom layer rubber (2) and the surface layer rubber (1) are interlocked via a mesh layer (3); the inner side of the mesh layer (3) is interlocked with the bottom layer rubber (2); the outer side of the mesh layer (3) is interlocked with the surface layer rubber (1); a plurality of straight reinforcing ribs (4) are transversely penetrated through the bottom layer rubber (2); the straight reinforcing ribs (4) are transversely penetrated through the mesh layer (3).

2. A method for making the multi-layer composite rubber according to claim 1, characterized in that: The production method uses a production device; The manufacturing device comprises a mold (8), a mold groove is provided in the middle of the mold (8), and a plurality of first through holes (9) and second through holes (10) for passing the linear reinforcing ribs (4) are respectively provided on the left and right sides of the mold groove; The production method comprises the following steps: S1, placing the web layer (3) in the mold cavity; S2, passing the straight reinforcing rib (4) through the first through hole (9), the second through hole (10) and the bottom of the mesh layer (3); S3, start pouring the bottom rubber layer (2), and control the pouring surface to be in the middle of the mesh layer (3); S4, continue pouring the surface rubber (1); S5, demoulding and surface treatment of the multi-layer composite rubber.

3. The method for making a multi-layer composite rubber according to claim 2, characterized in that: The mold (8) is fixed on the bracket (5); a first sub-frame (6) is arranged on the side of the bracket (5) close to the first through holes (9); a first limiting push plate (7) is arranged on the side of the first sub-frame (6) facing the mold (8); and a plurality of first top columns (26) corresponding to the first through holes (9) are arranged on the inner side of the first limiting push plate (7).

4. The method for making a multi-layer composite rubber according to claim 3, characterized in that: A first cylinder (12) is installed on the first sub-frame (6); the shaft of the first cylinder (12) passes through the first sub-frame (6) and is connected to the first limit push plate (7); and two first light rods (11) that slide through the first sub-frame (6) are symmetrically arranged on the back side of the first limit push plate (7).

5. The method for making a multi-layer composite rubber according to claim 3, characterized in that: A second sub-frame (16) is hingedly provided on the side of the bracket (5) close to the plurality of second through holes (10); a second limiting push plate (22) is provided on the side of the second sub-frame (16) facing the mold (8); and a plurality of second top columns (23) corresponding one to one with the second through holes (10) are provided on the inner side of the second limiting push plate (22).

6. The method for making a multi-layer composite rubber according to claim 5, characterized in that: Two rotating arms (21) are symmetrically arranged at both ends of the second sub-frame (16) facing the side of the mold (8), and fixed shafts (20) rotatably matched with the rotating arms (21) are arranged on both sides of the mold (8).

7. The method for making a multi-layer composite rubber according to claim 6, characterized in that: A supporting shaft (19) is provided at the bottom of the bracket (5), an axle seat (24) is provided at the bottom of the second sub-frame (16), and a second cylinder (15) is provided between the supporting shaft (19) and the axle seat (24).

8. The method for making a multi-layer composite rubber according to claim 7, characterized in that: The telescopic shaft of the second cylinder (15) is connected to the shaft seat (24) via a pin shaft (25).

9. The method for making a multi-layer composite rubber according to claim 5, characterized in that: A third cylinder (14) is installed on the second sub-frame (16); the shaft of the third cylinder (14) passes through the second sub-frame (16) and is connected to the second limit push plate (22); and two second light rods (13) that slide through the second sub-frame (16) are symmetrically arranged on the back side of the second limit push plate (22).

10. The method for making a multi-layer composite rubber according to claim 2, characterized in that: A support plate (17) is arranged on the outer side of the mold (8) close to the second through hole (10), and brackets (18) corresponding one to one with the second through holes (10) are arranged on the support plate (17).

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