CN108501420B - Solid tire injection molding glue process - Google Patents
Solid tire injection molding glue process Download PDFInfo
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- CN108501420B CN108501420B CN201810212371.4A CN201810212371A CN108501420B CN 108501420 B CN108501420 B CN 108501420B CN 201810212371 A CN201810212371 A CN 201810212371A CN 108501420 B CN108501420 B CN 108501420B
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- mold
- oil cylinder
- tire
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- die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/02—Solid tyres ; Moulds therefor
Abstract
The invention discloses a novel solid tire injection molding glue process, which comprises a first extrusion device and a second extrusion device; the first extrusion equipment comprises a first pressure injection oil cylinder, a first glue box, a first mould and a first demoulding oil cylinder; the first pressure injection oil cylinder is connected with a first rubber material box, inner rubber materials are arranged in the first rubber material box, the first rubber material box is connected with a first mold, and the first mold is connected with a first demolding oil cylinder; the second extrusion device comprises a second pressure injection oil cylinder, a second glue box, a second mould, a third mould and a second demoulding oil cylinder; the second pressure injection oil cylinder is connected with a second rubber material box, outer rubber material is arranged in the second rubber material box, the second rubber material box is respectively connected with a second mold and a third mold, and the second mold and the third mold are respectively connected with a second demolding oil cylinder; the first mold, the second mold and the third mold are respectively composed of an upper mold and a lower mold with different sizes. The invention is beneficial to improving the working efficiency and the product quality.
Description
Technical Field
The invention relates to the field of tire injection molding processing, in particular to a solid tire injection molding glue process.
Background
In rubber industrial production, the production of solid tire blanks generally adopts a compound extrusion process, namely compound extrusion by using a compound extruder. The composite extrusion production process belongs to a general technology in rubber industrial production, and can produce rubber materials with different formulas and properties according to different performance requirements of products by composite extrusion equipment to meet the requirements of the products on multiple performances.
The composite extrusion method is divided into an external composite method and an internal composite method, the internal composite method is mainly adopted in the production of the solid tire blank at present, the internal composite method is also called a composite machine head extruder method, and the composite extruder is used for extruding an integral solid tire blank (in a round bar form) by two or three extruders through a composite extruder head; the process has the following defects: (1) the compound extruder adopts 2-3 extruders to work through a compound extruder head, so that the power consumption is large, the personnel demand is large, and the working efficiency is low; (2) the blank pressed by the process has the quality defects that the surface of the blank is not smooth, air holes are formed in the inner part of the blank, the section size and the weight do not meet the requirements, and the like; (3) the process extrudes a solid tire blank (in a round bar form), and the blank is still cut and connected manually to realize the blank in the shape of the solid tire.
Disclosure of Invention
In order to overcome the technical defects of the existing tire injection molding process, the invention provides a solid tire injection molding glue process which is beneficial to improving the working efficiency and the product quality.
The technical scheme adopted by the invention for solving the technical problems is as follows: a solid tire injection molding glue process comprises a first extrusion device and a second extrusion device; the first extrusion equipment comprises a first pressure injection oil cylinder, a first glue box, a first mould and a first demoulding oil cylinder; the first pressure injection oil cylinder is connected with a first rubber material box, inner rubber materials are arranged in the first rubber material box, the first rubber material box is connected with an upper half die of a first die, and a lower half die of the first die is connected with a first demolding oil cylinder; the second extrusion device comprises a second pressure injection oil cylinder, a second glue box, a second mould, a third mould and a second demoulding oil cylinder; the second pressure injection oil cylinder is connected with a second rubber material box, outer rubber material is arranged in the second rubber material box, the second rubber material box is respectively connected with a second mold upper half die and a third mold upper half die, and a second mold lower half die and a third mold lower half die are respectively connected with a second demolding oil cylinder; the first mold, the second mold and the third mold are respectively composed of an upper mold and a lower mold with different sizes.
The invention comprises the following steps: forming an inner layer structure of the tire: the first pressure injection oil cylinder is used for pressure injection of inner-layer rubber materials in the first rubber material box into the first mold to enable the inner-layer structure of the tire to be molded, and the first demolding oil cylinder is used for demolding and manually taking out the tire; step two: forming the upper half part of the outer layer of the tire: placing the tire formed in the step one into a second mold, wherein the inner diameter of the lower mold of the second mold is the same as the outer circle of the inner layer structure of the tire, the inner diameter of the upper mold of the second mold is the same as the outer circle of the outer layer structure of the tire, so that a cavity is formed between the tire and the upper mold of the second mold, a second pressure injection oil cylinder is used for pressure injection of the outer layer rubber material in a second rubber material box into the cavity in the second mold, the upper half part of the outer layer of the tire is formed, and demolding is realized by a second demolding oil cylinder and is manually taken out; step three: and (3) placing the tire formed in the second step and provided with the inner layer structure and the upper half part of the outer layer into a third mold, wherein the inner diameter sizes of an upper mold and a lower mold of the third mold are the same as the outer circle size of the outer layer structure of the tire, placing the formed upper half part of the tire formed in the second step into the lower mold of the third mold, forming a cavity between the tire and the upper mold of the third mold, pressing and injecting the outer layer rubber material in a second rubber material box into the cavity in the third mold by a second pressing and injecting oil cylinder, realizing demolding by the second demolding oil cylinder and manually taking out the tire, and pressing and injecting the tire.
The solid tire injection molding glue process has the beneficial effects that (1) two low-power extrusion devices are adopted, so that the use amount of the devices is favorably reduced, and the energy consumption of enterprises is reduced; (2) the number of operators is small, and the labor cost of enterprises is reduced; (3) the working efficiency and the tire yield are improved, and the product cost is reduced integrally; (4) because the tire blank produced by the process has no joint, the phenomenon of joint bulging is avoided; (5) the tire surface quality is improved, the tire surface is smoother, and the technical problems of internal air holes of a tire body, the size of a section, the weight and the like are solved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of a first extrusion apparatus.
Fig. 2 is a schematic structural view of a second extrusion apparatus.
Fig. 3 is a cross-sectional view of the tire.
The drawing shows that 1 is a first pressure injection oil cylinder, 2 is a first glue box, 3 is a first mould, 4 is a first demoulding oil cylinder, 5 is inner glue, 6 is a second pressure injection oil cylinder, 7 is a second glue box, 8 is a second mould, 9 is a third mould, 10 is a second demoulding oil cylinder, and 11 is outer glue.
Detailed Description
Referring to fig. 1-3, a solid tire injection molding glue process comprises a first extrusion device and a second extrusion device; the first extrusion device comprises a first pressure injection oil cylinder 1, a first glue box 2, a first mould 3 and a first demoulding oil cylinder 4; the first pressure injection oil cylinder 1 is connected with a first glue box 2, an inner layer glue material 5 is arranged in the first glue box 2, the first glue box 2 is connected with an upper half mould of a first mould 3, and a lower half mould of the first mould 3 is connected with a first demoulding oil cylinder 4; the second extrusion device comprises a second pressure injection oil cylinder 6, a second glue box 7, a second mould 8, a third mould 9 and a second demoulding oil cylinder 10; the second pressure injection oil cylinder 6 is connected with a second glue box 7, an outer layer of glue 11 is arranged in the second glue box 7, the second glue box 7 is respectively connected with an upper half mould of a second mould 8 and an upper half mould of a third mould 9, and a lower half mould of the second mould 8 and a lower half mould of the third mould 9 are respectively connected with a second demoulding oil cylinder 10; the first mold 3, the second mold 8 and the third mold 9 are respectively composed of an upper mold and a lower mold with different sizes; the inner diameters of an upper die and a lower die of the first die 3 are the same, the inner diameter of the upper die of the second die 8 is larger than that of the lower die, and the inner diameters of the upper die and the lower die of the third die 9 are the same; the inner diameters of an upper die and a lower die of the first die 3 are the same as the inner diameter of the lower die of the second die 8; the inner diameter of the upper die of the second die 8 is the same as the inner diameters of the upper die and the lower die of the third die 9.
In the invention, the first glue box 2 melts and stores the inner layer part of the structure glue material in the cavity for pressure injection, and the second glue box 7 melts and stores the outer layer part of the structure glue material in the cavity for pressure injection.
The invention comprises the following steps: forming an inner layer structure of the tire: the first pressure injection oil cylinder 1 is used for pressure injection of inner layer rubber material 5 in the first rubber material box 2 into the first mold 3 to form the inner layer structure of the tire, and the first demolding oil cylinder 4 is used for demolding and manually taking out the tire; step two: forming the upper half part of the outer layer of the tire: placing the tire formed in the step one into a second mold 8, wherein the inner diameter of a lower mold of the second mold 8 is the same as the outer circle of the inner layer structure of the tire, the inner diameter of an upper mold of the second mold 8 is the same as the outer circle of the outer layer structure of the tire, so that a cavity is formed between the tire and the upper mold of the second mold 8, a second pressure injection oil cylinder 6 is used for pressure injection of outer layer rubber material 11 in a second rubber material box 7 into the cavity in the second mold 8, so that the upper half part of the outer layer of the tire is formed, and the second demolding oil cylinder 10 is used for realizing demolding and manually taking out the tire; step three: and (3) placing the tire formed in the second step and provided with the inner layer structure and the upper half part of the outer layer into a third mold 9, wherein the inner diameter sizes of an upper mold and a lower mold of the third mold 9 are the same as the outer circle size of the outer layer structure of the tire, placing the upper half part formed in the second step into the lower mold of the third mold, forming a cavity between the tire and the upper mold of the third mold 9, pressing and injecting the outer layer rubber material 11 in the second rubber material box 7 into the cavity in the third mold 9 by using a second pressing and injecting oil cylinder 6, realizing demolding by using a second demolding oil cylinder 10 and manually taking out the tire, and pressing and injecting the tire.
In the invention, the upper half structure of the outer layer of the second tire is formed by injection molding, the lower half structure of the first tire is formed by injection molding simultaneously, and the two processes are carried out simultaneously, thus being beneficial to improving the working efficiency because the rubber materials of the upper half part and the lower half part are completely the same.
Claims (2)
1. The solid tire injection molding equipment is characterized by comprising a first extrusion device and a second extrusion device; the first extrusion device comprises a first pressure injection oil cylinder (1), a first glue box (2), a first mould (3) and a first demoulding oil cylinder (4); the first pressure injection oil cylinder (1) is connected with a first glue box (2), inner-layer glue (5) is arranged in the first glue box (2), the first glue box (2) is connected with an upper half mould of a first mould (3), and a lower half mould of the first mould (3) is connected with a first demoulding oil cylinder (4); the second extrusion device comprises a second pressure injection oil cylinder (6), a second glue box (7), a second mould (8), a third mould (9) and a second demoulding oil cylinder (10); the second pressure injection oil cylinder (6) is connected with a second glue box (7), an outer layer of glue (11) is arranged in the second glue box (7), the second glue box (7) is respectively connected with an upper half mould of a second mould (8) and an upper half mould of a third mould (9), and a lower half mould of the second mould (8) and a lower half mould of the third mould (9) are respectively connected with a second demoulding oil cylinder (10); the inner diameters of an upper die and a lower die of the first die (3) are the same, the inner diameter of the upper die of the second die (8) is larger than that of the lower die, and the inner diameters of the upper die and the lower die of the third die (9) are the same; the inner diameters of an upper die and a lower die of the first die (3) are the same as the inner diameter of the lower die of the second die (8); the inner diameter of the upper die of the second die (8) is the same as the inner diameters of the upper die and the lower die of the third die (9).
2. The solid tire injection molding process is characterized by comprising the following steps: forming an inner layer structure of the tire: the first pressure injection oil cylinder (1) is used for pressure injection of the inner layer rubber material (5) in the first rubber material box (2) into the first mold (3) to form the inner layer structure of the tire, and the first demolding oil cylinder (4) is used for demolding and manually taking out; step two: forming the upper half part of the outer layer of the tire: placing the tire formed in the step one into a second mold (8), wherein the inner diameter of the lower mold of the second mold (8) is the same as the outer circle of the inner layer structure of the tire, the inner diameter of the upper mold of the second mold (8) is the same as the outer circle of the outer layer structure of the tire, so that a cavity is formed between the tire and the upper mold of the second mold (8), a second pressure injection oil cylinder (6) is used for pressure injection of outer layer rubber (11) in a second rubber material box (7) into the cavity in the second mold (8) to form the upper half part of the outer layer of the tire, and demolding is realized by a second demolding oil cylinder (10) and is manually taken out; step three: and (3) placing the tire formed in the second step and provided with the inner layer structure and the upper half part of the outer layer into a third mold (9), wherein the inner diameter size of the upper mold and the lower mold of the third mold (9) is the same as the outer circle size of the outer layer structure of the tire, placing the formed upper half part of the tire formed in the second step into the lower mold of the third mold (9), forming a cavity between the tire and the upper mold of the third mold (9), pressing and injecting the outer layer rubber material (11) in the second rubber material box (7) into the cavity in the third mold (9) by using a second pressing and injecting oil cylinder (6), realizing demolding by using a second demolding oil cylinder (10) and manually taking out, and pressing and injecting and forming the tire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810212371.4A CN108501420B (en) | 2018-03-15 | 2018-03-15 | Solid tire injection molding glue process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810212371.4A CN108501420B (en) | 2018-03-15 | 2018-03-15 | Solid tire injection molding glue process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108501420A CN108501420A (en) | 2018-09-07 |
| CN108501420B true CN108501420B (en) | 2019-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810212371.4A Active CN108501420B (en) | 2018-03-15 | 2018-03-15 | Solid tire injection molding glue process |
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| CN (1) | CN108501420B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4909972A (en) * | 1985-12-02 | 1990-03-20 | Britz Johannes H | Method and apparatus for making a solid foamed tire core |
| JPH06198763A (en) * | 1992-12-29 | 1994-07-19 | Sumitomo Rubber Ind Ltd | Production of solid tire |
| JP4644413B2 (en) * | 2002-11-26 | 2011-03-02 | 節男 吉川 | Solid tire manufacturing method and jig |
| JP4391274B2 (en) * | 2004-03-09 | 2009-12-24 | 株式会社前田シェルサービス | Manufacturing method of composite solid tire |
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2018
- 2018-03-15 CN CN201810212371.4A patent/CN108501420B/en active Active
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| CN108501420A (en) | 2018-09-07 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20191114 Address after: 266400 No. 98 Yuping Road, Tieshan Industrial Park, Huangdao District, Qingdao, Shandong. Applicant after: Qingdao Zhenhua Barrow Manufacturing Co., Ltd. Address before: 266000 No. 98, Yuping Road, Tieshan Industrial Park, Huangdao District, Shandong, Qingdao Applicant before: Qingdao Zhenhua Jiayi Tire Co., Ltd. |
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