Rubber product forming equipment

Abstract

The invention relates to rubber product forming equipment, which comprises a cutting assembly, which comprises a cutting platform, a cutting roller located above the cutting platform and a cutting tool installed on the cutting roller, and the cutting tool can move towards the cutting platform to cut a rubber raw material; the forming die comprises a lower die body and an upper die body, the lower die body is provided with a plurality of die cavities formed by sinking inwards from the surface of the lower die body, replaceable die cores are installed in the die cavities, and the multiple die cores are provided with forming cavities of different specifications formed by sinking inwards from the upper surfaces of the die cores respectively. The upper die is in butt joint with the lower die when the segmented rubber raw materials enter the forming cavities of different specifications respectively; the rubber raw materials between the cutting platform and the cutting roller are cut through the cutting tool, the requirement for the size of the rubber raw materials needed by the forming mold is met, the multiple mold cavities are formed in the lower mold, the replaceable mold cores are installed in the mold cavities, and rubber products of different specifications or different types can be formed in a hot pressing mode.

Description

Technical Field

[0001] The invention relates to the technical field of rubber molding, and in particular to a rubber product molding device. Background Art

[0002] Rubber molding is a key manufacturing process that transforms uncured rubber into durable, versatile parts suitable for different applications. This technology is essential for the precise production of components, capable of forming complex shapes and designs with excellent durability. Rubber molding has a variety of molding methods, among which rubber compression molding uses mold heating to cure the rubber into a new shape to form the final product, which has the advantages of low cost and simple maintenance.

[0003] According to Chinese patent CN114953302A, an automated molding device for rubber products and a method of using the same are disclosed. The device comprises an upper mold base and a lower mold base, wherein the lower mold base is located on a transport assembly, and the transport assembly transports the lower mold base. The upper mold base is lifted and lowered by a molding cylinder, and a plurality of plates of different sizes and shapes are arranged in the upper mold base, and corresponding troughs of different shapes and sizes are arranged in the lower mold base. The same molding assembly can process rubber products of different shapes and sizes. However, when producing products of different specifications, the device needs to replace the entire lower mold base, which is time-consuming and labor-intensive, and the production efficiency is low.

[0004] Therefore, it is necessary to develop a rubber product molding equipment to solve the above problems. Summary of the invention

[0005] The purpose of the invention is to provide a convenient rubber product molding device.

[0006] To achieve the above object, the present invention provides the following technical solution: a rubber product molding device, comprising:

[0007] A cutting assembly, comprising a cutting platform, a cutting roller located above the cutting platform, and a cutting tool mounted on the cutting roller, wherein the cutting tool can move toward the cutting platform to cut the rubber raw material;

[0008] The molding die comprises a lower die and an upper die, wherein the lower die has a plurality of mold cavities formed by being recessed inward from its surface, and replaceable mold cores are installed in the mold cavities, and the plurality of mold cores are respectively provided with molding cavities of different specifications formed by being recessed inward from their upper surfaces, and the upper die docks with the lower die when the divided rubber raw materials respectively enter the molding cavities of different specifications, so that the rubber raw materials are respectively molded into rubber products of different specifications or different types.

[0009] Furthermore, the cutting platform has a plurality of cutting grooves formed by being recessed inward from the upper surface thereof, and the plurality of cutting grooves are distributed from one side of the cutting platform to the other side thereof at intervals.

[0010] Furthermore, a plurality of guide parts are provided on the upper surface of the cutting platform, one end of the guide part is aligned with the cutting groove, and the other end extends toward the cutting assembly.

[0011] Furthermore, a plurality of the cutting tools respectively surround the cutting roller for one circle, and the spacing between them is changed according to the demand, corresponding to the cutting grooves one by one. When the cutting tools cut the rubber raw material, they extend into the cutting grooves one by one.

[0012] Furthermore, a material pressing part is provided on both sides of the cutting platform, and the material pressing part includes a frame, a lower support block and an upper support block installed in the frame, and the lower support block and the upper support block are both installed on rollers, and the rubber raw material passes between the rollers installed by the lower support block and the upper support block.

[0013] Furthermore, the frame has a groove, and both sides of the lower support block and the upper support block extend into the groove, and the lower support block and the upper support block are driven by external force to move relative to each other or move in the opposite direction.

[0014] Furthermore, a discharge device is installed on one side of the cutting assembly, and the discharge device includes a discharge drive member, a first transmission shaft connected to the discharge drive member, and a discharge barrel driven by the first transmission shaft, and the sheet-like rubber raw material is wound around the discharge barrel.

[0015] Furthermore, the discharge device also includes an adjusting roller located on one side of the discharge cylinder, and the adjusting roller includes a fixed shaft and a tensioning shaft connected to the fixed shaft, and the tensioning shaft moves around the fixed shaft.

[0016] Furthermore, a material receiving device is installed on the outer side of the molding die, and the material receiving device includes a material receiving drive member, a second transmission shaft connected to the material receiving drive member, and a material receiving cylinder driven by the second transmission shaft, and the material receiving cylinder winds the molded rubber product.

[0017] Furthermore, the number of the receiving drums can be changed according to demand to respectively reel in rubber products of different specifications.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention is a rubber product molding equipment, which is convenient. The rubber raw material passing through the cutting platform and the cutting roller is cut by a cutting tool to meet the size of the rubber raw material required by the molding mold. Then, a plurality of mold cavities are formed by being recessed inward from the surface of the lower mold. A replaceable mold core is installed in the mold cavity, and rubber products of different specifications or types can be hot-pressed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0020] Figure 1 It is a three-dimensional structural schematic diagram of a rubber product molding device of the present invention;

[0021] Figure 2 for Figure 1 The schematic diagram of the structure of the discharge device of the rubber product molding equipment shown;

[0022] Figure 3 for Figure 1 A schematic diagram of the structure of the cutting assembly of the rubber product molding equipment shown;

[0023] Figure 4 for Figure 3 The schematic diagram of the structure of the cutting assembly pressing part of the rubber product molding equipment shown;

[0024] Figure 5 for Figure 1 Schematic diagram of the molding die structure of the rubber product molding equipment shown;

[0025] Figure 6 for Figure 1 The schematic diagram of the material receiving device structure of the rubber product molding equipment shown.

[0026] In the figure: 1, unloading device; 2, cutting assembly; 3, forming mold; 4, material receiving device; 11, unloading drive member; 12, first transmission shaft; 13, unloading cylinder; 14, first driving wheel; 15, first passive wheel; 16, first conveyor belt; 17, adjusting roller; 171, fixed shaft; 172, tensioning shaft; 21, cutting platform; 22, cutting part; 23, pressing part; 211, cutting groove; 212, guide part; 221, bracket; 222, cutting roller; 223, cutting tool; 224 , cutting drive member; 231, frame; 232, lower support block; 233, upper support block; 234, roller; 235, groove; 236, rotating handle; 31, lower mold; 32, upper mold; 311, lower mold base; 312, lower mold module; 313, mold cavity; 314, mold core; 315, molding cavity; 321, upper mold base; 322, upper mold module; 41, material receiving drive member; 42, second transmission shaft; 43, material receiving barrel; 44, second driving wheel; 45, second passive wheel; 46, second conveyor belt. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Please see Figures 1 to 6 The present invention is a rubber product molding device, which includes a discharge device 1, a cutting component 2 located at one side of the discharge device 1, a molding mold 3 arranged at one side of the cutting component 2, and a receiving device 4.

[0029] Please see Figure 1 to Figure 2 The discharge device 1 includes a discharge driving member 11, a first transmission shaft 12 connected to the discharge driving member 11, and a discharge barrel 13 driven by the first transmission shaft 12. The discharge driving member 11 is a certain motor, which is connected to a first driving wheel 14. One end of the first transmission shaft 12 is sleeved with a first passive wheel 15. The first driving wheel 14 and the first passive wheel 15 are on the same vertical line and are connected to a first conveyor belt 16. The discharge driving member 11 drives the first transmission shaft 12 to rotate through the first driving wheel 14, the first passive wheel 15 and the first conveyor belt 16. The first transmission shaft 12 is in a horizontal state. The discharge barrel 13 is sleeved with the first transmission shaft 12 and is driven by it to rotate counterclockwise. The sheet-like rubber raw material is wound around the discharge barrel 13.

[0030] The discharge device 1 also includes an adjusting roller 17 located on one side of the discharge barrel 13. The adjusting roller 17 includes a fixed shaft 171 and a tensioning shaft 172 connected to the fixed shaft 171. The fixed shaft 171 is fixed to one side of the discharge barrel 13. The rubber raw material enters the cutting assembly 2 through the fixed shaft 171. When the tension of the rubber raw material needs to be adjusted, the tensioning shaft 172 moves with the fixed shaft 171 as the center, and the tensioning shaft 172 contacts the rubber raw material to adjust the tension of the rubber raw material.

[0031] Please see Figure 3 to Figure 4 The cutting assembly 2 includes a cutting platform 21, a cutting portion 22 placed on the cutting platform 21, and a pressing portion 23 located at both ends of the cutting platform 21. The cutting platform 21 has a plurality of cutting grooves 211 formed by being recessed inward from its upper surface. The depth, number and arrangement positions of the plurality of cutting grooves 211 are changed according to needs. In this embodiment, the plurality of cutting grooves 211 are distributed from one side of the cutting platform 21 to the other side thereof at intervals. A plurality of guide portions 212 are provided on the upper surface of the cutting platform 21. One end of the guide portion 212 is aligned with the cutting groove 211, and the other end extends toward the cutting portion 22. The plurality of guide portions 212 are arranged at intervals.

[0032] The cutting part 22 includes a bracket 221 and a cutting roller 222 installed on the bracket 221. The bracket 221 is located on the outer side of the cutting platform 21, and its top extends vertically upward. The cutting roller 222 is located above the cutting platform 21, and its two ends are fixedly connected to the top of the bracket 221. The surface of the cutting roller 222 is provided with a plurality of cutting tools 223, and the plurality of cutting tools 223 respectively surround the cutting roller 222 for one week, and the spacing between them changes according to needs and corresponds to the cutting groove 211 one by one. The cutting part 22 also includes a cutting drive 224, which is a certain motor, which drives the cutting roller 222 to rotate and cut the sheet rubber raw material passing between the cutting platform 21 and the cutting roller 222 into strip rubber raw materials. Specifically, when the cutting tool 223 cuts the rubber raw material, the plurality of cutting tools 223 extend into the cutting groove 211 one by one.

[0033] Please see Figure 4 The pressing part 23 includes a frame 231, a lower support block 232 and an upper support block 233 installed in the frame 231, the lower support block 232 and the upper support block 233 are both installed on a roller 234, and the strip rubber raw material passes between the rollers 234 installed on the lower support block 232 and the upper support block 233. Preferably, in another embodiment, the frame 231 has a groove 235, and the two sides of the lower support block 232 and the upper support block 233 extend into the groove 235, and the lower support block 232 and / or the upper support block 233 are driven by external force to move relative to or oppositely. In this embodiment, a rotating handle 236 is installed on the top of the upper support block 233, and the upper support block 233 can be driven to move toward the lower support block 232 by rotating the handle 236.

[0034] Please see Figure 5 The molding die 3 includes a lower die 31 and an upper die 32. The lower die 31 includes a lower die base 311 and a lower module 312 installed on the lower die base 311. The lower die base 311 is in a horizontal state and is used to support the lower module 312 so that the lower module 312 is in a horizontal state. The lower module 312 has a plurality of mold cavities 313 formed inwardly from its upper surface. The shapes and positions of the plurality of mold cavities 313 are changed according to needs. Mold cores 314 are respectively installed in the plurality of mold cavities 313. The plurality of mold cores 314 are provided with molding cavities 315 of different specifications formed inwardly from their upper surfaces.

[0035] The upper mold 32 can move toward the lower mold 31, and includes an upper mold base 321 and an upper module 322 installed on the upper mold base 321. The upper mold base 321 is in a horizontal state and is used to support the upper module 322 so that the upper module 322 is in a horizontal state. The upper module 322 has a heating function. When the strip rubber raw material enters between the lower mold 31 and the upper mold 32, the upper mold 32 can move toward the lower mold 31 and be closed and connected with the lower mold 31. The strip rubber raw material is located in different molding cavities 315. After hot pressing, rubber products of different specifications or different types are formed.

[0036] Please see Figure 6 The material receiving device 4 includes a material receiving drive member 41, a second transmission shaft 42 connected to the material receiving drive member 41, and a material receiving cylinder 43 driven by the second transmission shaft 42. The material receiving drive member 41 is a certain motor, which is connected to a second driving wheel 44. One end of the second transmission shaft 42 is sleeved with a second passive wheel 45. The second driving wheel 44 and the second passive wheel 45 are on the same vertical line and are connected to a second conveyor belt 46. The material receiving drive member 41 drives the second transmission shaft 42 to rotate through the second driving wheel 44, the second passive wheel 45 and the second conveyor belt 46. The second transmission shaft 42 is in a horizontal state. The material receiving cylinder 43 is sleeved with the second transmission shaft 42 and is driven by it to rotate counterclockwise to wrap the formed rubber product.

[0037] Furthermore, the number of the receiving drums 43 can be changed according to the demand. In the present embodiment, there are three receiving drums 43 for respectively winding up rubber products of different specifications.

[0038] Preferably, a material pressing portion 23 is provided on one side of the material receiving device 4 .

[0039] When the rubber product molding equipment of the present invention is in use, the discharge device 1 conveys the sheet rubber raw material to the cutting assembly 2, passes between the cutting platform 21 and the cutting roller 222, and the sheet rubber raw material is cut into strip rubber raw materials by the cutting roller 222, and respectively enters the molding cavities 315 of different specifications in the multiple mold cores 314, and the upper mold 32 moves toward the lower mold 31 and is closed and connected with the lower mold 31. After hot pressing molding, rubber products of different specifications or different types are formed, and then the rubber products of different specifications or different types are respectively rolled up by the receiving device 4.

[0040] The present invention is a rubber product molding device with the characteristic of convenience. The rubber raw material passing through the cutting platform and the cutting roller is cut by a cutting tool to meet the size of the rubber raw material required by the molding mold. Then, a plurality of mold cavities formed by being recessed inward from the surface of the lower mold are opened, and a replaceable mold core is installed in the mold cavity. Rubber products of different specifications or different types can be hot-pressed and formed, while avoiding the tedious steps of replacing the entire mold base.

[0041] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A rubber product molding equipment, characterized in that: It includes: A cutting assembly (2), comprising a cutting platform (21), a cutting roller (222) located above the cutting platform (21), and a cutting tool (223) mounted on the cutting roller (222), wherein the cutting tool (223) can move toward the cutting platform (21) to split the rubber raw material; The molding die (3) comprises a lower die (31) and an upper die (32), wherein the lower die (31) has a plurality of mold cavities (313) formed by being recessed inwardly from the surface thereof, wherein replaceable mold cores (314) are installed in the mold cavities (313), and the plurality of mold cores (314) are respectively provided with molding cavities (315) of different specifications formed by being recessed inwardly from the upper surfaces thereof, and the upper die (32) docks with the lower die (31) when the divided rubber raw materials respectively enter the molding cavities (315) of different specifications, so that the rubber raw materials are respectively molded into rubber products of different specifications or different types.

2. The rubber product molding equipment according to claim 1, characterized in that: The cutting platform (21) has a plurality of cutting grooves (211) formed by inward depression from the upper surface thereof, and the plurality of cutting grooves (211) are distributed at intervals from one side of the cutting platform (21) to the other side thereof.

3. The rubber product molding equipment according to claim 2, characterized in that: A plurality of guide portions (212) are provided on the upper surface of the cutting platform (21), one end of the guide portion (212) is aligned with the cutting groove (211), and the other end extends toward the cutting assembly (2).

4. The rubber product molding equipment according to claim 2, characterized in that: A plurality of cutting knives (223) respectively surround the cutting roller (222) for one circle, and the spacing between them is changed according to demand, and corresponds to the cutting grooves (211) one by one. When the cutting knives (223) cut the rubber raw material, they extend into the cutting grooves (211) one by one.

5. The rubber product molding equipment according to claim 1, characterized in that: A material pressing portion (23) is provided on both sides of the cutting platform (21), and the material pressing portion (23) comprises a frame (231), a lower support block (232) and an upper support block (233) installed in the frame (231), and the lower support block (232) and the upper support block (233) are both installed on a roller (234), and the rubber raw material passes between the rollers (234) installed on the lower support block (232) and the upper support block (233).

6. The rubber product molding equipment according to claim 5, characterized in that: The frame (231) has a groove (235), and both sides of the lower support block (232) and the upper support block (233) extend into the groove (235), and the lower support block (232) and the upper support block (233) are driven by external force to move relative to each other or move in the opposite direction.

7. The rubber product molding equipment according to claim 1, characterized in that: A discharge device (1) is installed on one side of the cutting assembly (2), and the discharge device (1) comprises a discharge drive member (11), a first transmission shaft (12) connected to the discharge drive member (11), and a discharge barrel (13) driven by the first transmission shaft (12), and sheet-shaped rubber raw materials are wound around the discharge barrel (13).

8. The rubber product molding equipment according to claim 7, characterized in that: The discharge device (1) also includes an adjusting roller (17) located on one side of the discharge cylinder (13), and the adjusting roller (17) includes a fixed shaft (171) and a tensioning shaft (172) connected to the fixed shaft (171), and the tensioning shaft (172) moves around the fixed shaft (171).

9. The rubber product molding equipment according to claim 1, characterized in that: A material receiving device (4) is installed on the outer side of the molding die (3), and the material receiving device (4) includes a material receiving drive member (41), a second transmission shaft (42) connected to the material receiving drive member (41), and a material receiving cylinder (43) driven by the second transmission shaft (42), and the material receiving cylinder (43) is wound around the molded rubber product.

10. The rubber product molding equipment according to claim 9, characterized in that: The number of the receiving cylinders (43) can be changed according to demand to respectively reel in rubber products of different specifications.

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