Forming mold for tire production

Abstract

The utility model discloses a forming mold for tire production, and belongs to the technical field of tire production. Comprising an upper mold body, a lower mold body is attached to the bottom of the upper mold body, a sealing device is arranged at the bottom of the upper mold body and comprises a sealing ring, a plurality of fixing grooves are formed in the top of the sealing ring, fixing rods are slidably connected to the inner walls of the fixing grooves, the outer walls of the fixing rods are sleeved with second springs, and sliding grooves are formed in the bottom of the upper mold body. The inner wall of the sliding groove is slidably connected with the outer wall of the sealing ring. According to the sealing device, when the upper die is attached to the lower die, the sealing ring is inserted into the sealing groove, meanwhile, after the sealing ring makes contact with the bottom of the sealing groove, the sealing ring is kept still, and then the second spring is extruded, so that the second spring is tightly attached to the sealing groove; and therefore, the leakproofness between the upper mold and the lower mold is guaranteed, and the tire forming effect is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of tire production, and in particular relates to a molding die for tire production. Background Art

[0002] Tires are circular elastic rubber products that roll on the ground and are installed on various vehicles or machinery. They are usually installed on metal rims. They can support the vehicle body, cushion external impacts, achieve contact with the road surface and ensure the vehicle's driving performance. However, tire production usually requires the use of molds.

[0003] The utility model with Chinese application number: 201821293089.5 discloses an integrated molding mold for producing electric vehicle tires, including a metal upper mold, a metal lower mold and a cover plate. A filling port is provided in the center of the metal upper mold, a lifting ring is fixedly provided on the side of the metal upper mold, a first positioning column is provided in the center of the metal lower mold, a threaded hole is provided in the center of the first positioning column, the metal upper mold and the metal lower mold are rotatably connected, a tire molding cavity is formed between the metal upper mold and the metal lower mold, and a locking device is also fixedly provided on the sides of the metal upper mold and the metal lower mold; the cover plate is placed in the molding cavity, a mounting hole is provided in the center of the cover plate, and a bolt matching the threaded hole is provided in the mounting hole, but in actual use, a certain sealing component is lacking between the devices, so that the tire molding may be affected due to insufficient sealing during the molding process. Utility Model Content

[0004] The utility model aims to solve the problem of lack of sealing between molds and provides a molding mold for tire production.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a molding mold for tire production, comprising an upper mold, a lower mold is attached to the bottom of the upper mold, a sealing device is provided at the bottom of the upper mold, the sealing device comprises a sealing ring, a plurality of fixing grooves are provided at the top of the sealing ring, a fixing rod is slidably connected to the inner wall of the fixing groove, a second spring is sleeved on the outer wall of the fixing rod, a sliding groove is provided at the bottom of the upper mold, and the inner wall of the sliding groove is slidably connected to the outer wall of the sealing ring, and one end of the fixing rod is connected to one side of the inner wall of the sliding groove.

[0006] As a further description of the above technical solution:

[0007] The inner wall of the sliding groove at the bottom of the upper mold is provided with a plurality of limiting grooves, and the inner wall of the limiting groove is slidably connected with a limiting rod, and one end of the limiting rod is connected with the outer wall of the sealing ring.

[0008] As a further description of the above technical solution:

[0009] The two ends of the second spring are respectively connected to the top of the sealing ring and one side of the inner wall of the sliding groove, and a sealing groove is opened on the top of the lower mold, and the inner wall of the sealing groove is slidably connected to the outer wall of the sealing ring.

[0010] As a further description of the above technical solution:

[0011] A plurality of installation and disassembly devices are provided on the top of the lower mold, and the installation and disassembly devices include a built-in groove, which is opened on the top of the lower mold, first sliding grooves are opened on both sides of the inner wall of the built-in groove, and the inner wall of the first sliding groove is slidably connected with a first slider, and a pressing block is connected between the two first sliders, one side of the pressing block is connected with two first springs, the top of the pressing block is connected with a clamping block, and one side of the bottom of the pressing block is provided with an inclined surface.

[0012] As a further description of the above technical solution:

[0013] The other end of the first spring is connected to one side of the inner wall of the built-in groove, and the outer wall of the pressing block is slidably connected to the inner wall of the built-in groove. A plurality of slots are provided at the bottom of the upper mold, and the positions of the slots correspond to the positions of the blocks, and the inner wall of the slots is clamped to one side of the block.

[0014] As a further description of the above technical solution:

[0015] The outer wall of the lower mold is provided with two second sliding grooves, and the second sliding grooves are slidably connected with the second sliders. The outer wall of the lower mold is slidably connected with a toggle ring, the inner wall of the toggle ring is connected to one side of the second slider, and the top of the toggle ring is fitted with the bottom of the pressing block.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0017] 1. In the utility model, a sealing device is provided, and when the upper mold and the lower mold are fitted together, the sealing ring is inserted into the sealing groove. At the same time, after the sealing ring contacts the bottom of the sealing groove, the sealing ring remains stationary, and then the second spring is squeezed, so that the second spring fits tightly into the sealing groove, thereby ensuring the airtightness between the upper mold and the lower mold, and ensuring the tire molding effect.

[0018] 2. In the utility model, an installation and disassembly device is provided, and the toggle ring is pushed upward, so that the toggle ring squeezes the pressing block to move inward, and then the pressing block drives the clamping block to move inward, so that the clamping block is disengaged from the clamping groove at the bottom of the upper mold, and then the upper mold and the lower mold are quickly separated, thereby improving the production efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a tire production molding die proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the lower mold structure of a tire production molding mold proposed by the utility model;

[0021] Figure 3 A tire production molding die is provided in the utility model. Figure 2 The enlarged structural diagram of part A in the middle;

[0022] Figure 4 This is a schematic diagram of the structure of a toggle ring of a tire production molding die proposed by the utility model;

[0023] Figure 5 The utility model is a schematic structural diagram of a sealing device for a tire production molding die.

[0024] Legend: 1. Upper mold; 2. Toggle ring; 3. Lower mold; 4. Installation and disassembly device; 401. First slide groove; 402. First spring; 403. Block; 404. Pressing block; 405. First slider; 406. Built-in groove; 5. Sealing device; 501. Sealing ring; 502. Limiting rod; 503. Fixed groove; 504. Fixed rod; 505. Second spring; 6. Sealing groove; 7. Second slide groove; 8. Second slider. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1 - Figure 5The utility model provides a technical solution: a tire production molding mold, comprising an upper mold 1, a lower mold 3 is attached to the bottom of the upper mold 1, a sealing device 5 is provided at the bottom of the upper mold 1, the sealing device 5 comprises a sealing ring 501, a plurality of fixed grooves 503 are provided at the top of the sealing ring 501, a fixed rod 504 is slidably connected to the inner wall of the fixed groove 503, a second spring 505 is sleeved on the outer wall of the fixed rod 504, a sliding groove is provided at the bottom of the upper mold 1, and the inner wall of the sliding groove is slidably connected to the outer wall of the sealing ring 501, and one end of the fixed rod 504 is connected to one side of the inner wall of the sliding groove, a plurality of limiting grooves are provided on the inner wall of the sliding groove provided at the bottom of the upper mold 1, and the limiting groove inner wall is slidably connected to the limiting rod 502, one end of the limiting rod 502 is connected to the outer wall of the sealing ring 501, two ends of the second spring 505 are respectively connected to the top of the sealing ring 501 and one side of the inner wall of the sliding groove, and a sealing groove 6 is provided at the top of the lower mold 3, and the inner wall of the sealing groove 6 is slidably connected to the outer wall of the sealing ring 501.

[0027] In a specific implementation manner, a fixing rod 504 is provided and supported by the fixing rod 504 so that the second spring 505 is prevented from bending during compression, thereby ensuring the rebound effect of the second spring 505. A limiting rod 502 is provided to slide and limit in a limiting groove so that the sealing ring 501 is more stable when moving, and the sealing ring 501 is prevented from sliding out due to the elastic force of the second spring 505 and affecting its use.

[0028] The top of the lower mold 3 is provided with a plurality of mounting and disassembly devices 4, the mounting and disassembly devices 4 include a built-in groove 406, the built-in groove 406 is opened on the top of the lower mold 3, both sides of the inner wall of the built-in groove 406 are provided with first slide grooves 401, and the inner wall of the first slide groove 401 is slidably connected with a first slider 405, and a pressing block 404 is connected between the two first sliders 405, one side of the pressing block 404 is connected with two first springs 402, the top of the pressing block 404 is connected with a clamping block 403, and one side of the bottom of the pressing block 404 is provided with an inclined surface, and the first spring 402 is connected to the first spring 402. One end is connected to one side of the inner wall of the built-in groove 406, and the outer wall of the pressing block 404 is slidably connected to the inner wall of the built-in groove 406. A plurality of slots are provided at the bottom of the upper mold 1, and the positions of the slots correspond to the positions of the blocks 403, and the inner walls of the slots are engaged with one side of the blocks 403. Two second slide grooves 7 are provided on the outer wall of the lower mold 3, and a second slider 8 is slidably connected in the second slide groove 7. A toggle ring 2 is slidably connected to the outer wall of the lower mold 3, and the inner wall of the toggle ring 2 is connected to one side of the second slider 8, and the top of the toggle ring 2 fits with the bottom of the pressing block 404.

[0029] In a specific implementation manner, a second sliding block is arranged to slide inside the first sliding block 405, so that the fluctuation ring is more stable when moving up and down, and the second sliding groove 7 limits the second sliding block 8 to prevent the toggle ring 2 from falling and affecting use. The first sliding block 405 is arranged to slide in the first sliding groove 401, so that the pressing block 404 is prevented from offsetting and causing jamming and affecting use during movement. At the same time, a slope is provided at the bottom of the pressing block 404, so that squeezing the pressing block 404 is smoother and more convenient.

[0030] Working principle: When in use, the upper mold 1 moves downward so that the sealing ring 501 is inserted into the sealing groove 6. When the upper mold 1 and the lower mold 3 are in contact, the sealing ring 501 is tightly fitted to the bottom of the inner wall of the sealing groove 6 through the elasticity of the second spring 505, thereby ensuring the airtightness between the upper mold 1 and the lower mold 3, thereby ensuring the tire molding effect. At the same time, the upper mold 1 squeezes the card block 403 to drive the pressing block 404 to move inward and squeeze the first spring 402, so that the first spring 402 generates a rebound force. When the upper mold 1 and the lower mold 3 are in contact, the rebound force of the first spring 402 causes the pressing block 404 to drive the card block 403 to be clamped into the card groove, thereby fixing the upper mold 1 and the lower mold 3, making installation faster and more convenient, thereby improving production efficiency.

[0031] In this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance; the term "plurality" refers to two or more, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances;

[0032] 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 within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A tire production molding die, comprising an upper mold (1), characterized in that: The bottom of the upper mold (1) is fitted with a lower mold (3), and the bottom of the upper mold (1) is provided with a sealing device (5), the sealing device (5) comprises a sealing ring (501), a plurality of fixing grooves (503) are provided on the top of the sealing ring (501), the inner wall of the fixing groove (503) is slidably connected with a fixing rod (504), the outer wall of the fixing rod (504) is sleeved with a second spring (505), a sliding groove is provided at the bottom of the upper mold (1), and the inner wall of the sliding groove is slidably connected with the outer wall of the sealing ring (501), and one end of the fixing rod (504) is connected to one side of the inner wall of the sliding groove.

2. A tire production molding die according to claim 1, characterized in that: The inner wall of the sliding groove formed at the bottom of the upper mold (1) is provided with a plurality of limit grooves, and the inner wall of the limit groove is slidably connected to a limit rod (502), and one end of the limit rod (502) is connected to the outer wall of the sealing ring (501).

3. A tire production molding die according to claim 1, characterized in that: The two ends of the second spring (505) are respectively connected to the top of the sealing ring (501) and one side of the inner wall of the sliding groove, and a sealing groove (6) is opened on the top of the lower mold (3), and the inner wall of the sealing groove (6) is slidably connected to the outer wall of the sealing ring (501).

4. A tire production molding die according to claim 1, characterized in that: A plurality of mounting and disassembly devices (4) are provided at the top of the lower mold (3), and the mounting and disassembly devices (4) include a built-in groove (406), the built-in groove (406) is opened at the top of the lower mold (3), first sliding grooves (401) are opened on both sides of the inner wall of the built-in groove (406), and the inner wall of the first sliding groove (401) is slidably connected with a first sliding block (405), and a pressing block (404) is connected between the two first sliding blocks (405), one side of the pressing block (404) is connected with two first springs (402), the top of the pressing block (404) is connected with a clamping block (403), and one side of the bottom of the pressing block (404) is provided with an inclined surface.

5. A tire production molding die according to claim 4, characterized in that: The other end of the first spring (402) is connected to one side of the inner wall of the built-in groove (406), and the outer wall of the pressing block (404) is slidably connected to the inner wall of the built-in groove (406). A plurality of slots are provided at the bottom of the upper mold (1), and the positions of the slots correspond to the positions of the block (403), and the inner walls of the slots are engaged with one side of the block (403).

6. A tire production molding die according to claim 1, characterized in that: The outer wall of the lower mold (3) is provided with two second slide grooves (7), and the second slide grooves (7) are slidably connected with the second slider (8), the outer wall of the lower mold (3) is slidably connected with the toggle ring (2), the inner wall of the toggle ring (2) is connected to one side of the second slider (8), and the top of the toggle ring (2) is in contact with the bottom of the pressing block (404).

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