Vacuum-pumping die sleeve for two half dies

Abstract

The utility model discloses a two-half die vacuumizing die sleeve, which relates to the technical field of tire production and comprises an upper die, a lower die arranged below the upper die, a forming cavity arranged between the upper die and the lower die, outer rings arranged on the surfaces of the upper die and the lower die, and first fixing bolts respectively arranged on two sides of the upper end of the upper die. Three second fixing bolts are arranged on the two sides of the lower end of the lower mold respectively, an ejection mechanism is arranged at the lower end of the lower mold, an air extractor is arranged outside the upper mold, power is provided through an air extracting pump, air generated during tire vulcanization is extracted through the air extracting pump, the interiors of the two half molds are in a negative pressure state, and the exhaust effect of the two half molds is improved; according to the tire vulcanizing device, the pattern edges are clear, the tire appearance quality is improved, gas passes through the interior of the fixing sleeve in the gas exhaust process, the adsorption part and the catalyst are arranged in the fixing sleeve, the vulcanization gas is purified through a physical adsorption method, and a safe working environment is provided for workers.

Description

Technical Field

[0001] The utility model relates to the technical field of tire production, in particular to a vacuum mold sleeve with two half molds. Background Art

[0002] The two-half mold is a common type of tire vulcanization mold. The two-half mold divides the tire mold into two parts, the upper and lower parts. The complete tire molding cavity is formed by combining the two pieces of the mold together. The tire is vulcanized by the cooperation of the two half molds and the vulcanizer.

[0003] The tire vulcanization mold and tire vulcanization processing device recorded in the patent with patent announcement number CN219634591U, by splitting the lower mold into an inner ring and an outer ring, the inner ring is installed on the jacking spindle of the vulcanizer, so that the inner ring can move upward relative to the outer ring, and the embryo is squeezed by the inner ring and the upper mold before the vulcanization process to achieve the shaping of the embryo. When this tire vulcanization mold and tire vulcanization processing device are used to vulcanize rubber-free hair tires with complex patterns and fewer pores, the exhaust is not smooth, and air pockets or lack of glue often occur, resulting in defective products. There is no device for purifying the vulcanized gas, which will cause harm to the staff when taking out the tire.

[0004] Based on this, a two-mold vacuum mold sleeve is now provided to eliminate the disadvantages of the existing device. Utility Model Content

[0005] The utility model aims to provide a two-half mold vacuum mold sleeve to solve the problems in the background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The two-mold vacuum mold sleeve comprises an upper mold, a lower mold is arranged below the upper mold, a molding cavity is arranged between the upper mold and the lower mold, outer rings are arranged on the surfaces of the upper mold and the lower mold, a No. 1 fixing bolt is respectively arranged on both sides of the upper end of the upper mold, three No. 2 fixing bolts are respectively arranged on both sides of the lower end of the lower mold, an ejection mechanism is arranged at the lower end of the lower mold, and a vacuum device is arranged on the outside of the upper mold.

[0008] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0009] In an optional solution: the ejection mechanism includes a fixed seat, a fixed seat is provided at the lower end of the lower mold, the upper end of the fixed seat is fixedly connected to the fixed end of the hydraulic cylinder, the surface of the hydraulic cylinder is fixedly connected to the lower mold, and the output end of the hydraulic cylinder is fixedly connected to the ejection pad at the internal position of the molding cavity.

[0010] In an optional scheme: the vacuum device includes a No. 1 fixing shell, a No. 1 fixing shell is provided at the upper end of the upper mold, the upper mold is threadedly connected to the No. 1 fixing shell by a No. 1 fixing bolt, a No. 2 fixing shell is provided at the lower end of the lower mold, the lower mold is threadedly connected to the No. 2 fixing shell by a No. 2 fixing bolt, a fixing rod is provided on both sides of the No. 1 fixing shell, the upper side of the fixing rod surface is slidably connected to the upper mold, and the lower side of the fixing rod surface is slidably connected to the lower mold, a No. 3 fixing bolt is provided at each end of the fixing rod, and a purification component is provided on the left and right sides of the lower end of the No. 2 fixing shell.

[0011] In an optional scheme: the purification component includes a fixed tube, a fixed block is provided at the lower end of the fixed tube, the fixed block is fixedly connected to the lower end of the No. 2 fixed shell, the lower end of the fixed block is fixedly connected to an exhaust pump, an adsorbent and a catalyst are provided inside the exhaust pump, the lower end of the exhaust pump is fixedly connected to a fixed sleeve, and the side of the fixed sleeve is fixedly connected to the exhaust pipe.

[0012] In an optional solution: a positioning groove is provided at the contact position between the upper mold and the lower mold.

[0013] In an optional solution: a limiting ring is provided on the surface of the second fixing shell.

[0014] In an optional solution: sealing sleeves are provided at the release positions of the No. 1 fixing shell and the No. 2 fixing shell.

[0015] In an optional solution: the surface of the molding cavity is provided with pattern blocks.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] 1. The utility model provides power through an air pump, which extracts the gas generated when the tire is vulcanized, so that the inside of the two halves of the mold is in a negative pressure state, thereby improving the exhaust effect of the two halves of the mold, making the edges of the pattern clear and improving the appearance quality of the tire.

[0018] 2. The utility model allows the gas to pass through the interior of the fixed sleeve during the gas extraction process. The fixed sleeve is provided with an adsorbent and a catalyst, and the sulfide gas is purified by a physical adsorption method, thereby providing a safe working environment for the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] Figure 2 It is a cross-sectional view of the utility model.

[0021] Figure 3 It is a structural schematic diagram of the upper mold and the lower mold of the utility model.

[0022] Figure 4It is a structural schematic diagram of the fixed pipe and the fixed block of the utility model.

[0023] Notes on figure numbers: 101. Upper mold, 102. Lower mold, 103. Molding cavity, 104. Outer ring, 105. Fixing bolt No. 1, 106. Fixing bolt No. 2, 201. Fixing seat, 202. Hydraulic cylinder, 203. Ejector pad, 301. Fixing shell No. 1, 302. Fixing shell No. 2, 303. Fixing rod, 304. Fixing bolt No. 3, 305. Fixing pipe, 306. Fixing block, 307. Vacuum pump, 308. Fixing sleeve, 309. Exhaust pipe. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0025] In one embodiment, Figure 1-Figure 4 As shown, the two-half mold vacuum mold sleeve includes an upper mold 101, a lower mold 102 is provided below the upper mold 101, a molding cavity 103 is provided between the upper mold 101 and the lower mold 102, outer rings 104 are provided on the surfaces of the upper mold 101 and the lower mold 102, a No. 1 fixing bolt 105 is provided on both sides of the upper end of the upper mold 101, three No. 2 fixing bolts 106 are provided on both sides of the lower end of the lower mold 102, and an ejection mechanism is provided at the lower end of the lower mold 102. An air extraction device is provided on the outside of the upper mold 101, and the positioning groove provided at the release position of the upper mold 101 and the lower mold 102 facilitates the splicing of the upper mold 101 and the lower mold 102, and a fixing relationship is provided by the No. 1 fixing bolt 105 and the No. 2 fixing bolt 106, and the tire is vulcanized through the molding cavity 103 provided between the upper mold 101 and the lower mold 102, and the tire is molded by the pattern blocks provided on the surface of the molding cavity 103;

[0026] In one embodiment, Figure 1 and Figure 2 As shown, the ejection mechanism includes a fixed seat 201, a fixed seat 201 is provided at the lower end of the lower mold 102, an upper end of the fixed seat 201 is fixedly connected to a fixed end of a hydraulic cylinder 202, a surface of the hydraulic cylinder 202 is fixedly connected to the lower mold 102, and an output end of the hydraulic cylinder 202 is fixedly connected to an ejection pad 203 at an internal position of the molding cavity 103. The fixed relationship is provided by the fixed seat 201, and the power is provided by the hydraulic cylinder 202. When the vulcanization work is completed, the surface temperature of the tire is high, and it is inconvenient for the staff to take it out. The ejection pad 203 and the hydraulic cylinder 202 cooperate with each other to eject the vulcanized tire out of the lower mold 102, so that it is convenient to take out the vulcanized tire;

[0027] In one embodiment, Figure 2 and Figure 3As shown, the vacuum device includes a No. 1 fixed shell 301, a No. 1 fixed shell 301 is provided at the upper end of the upper mold 101, the upper mold 101 is threadedly connected to the No. 1 fixed shell 301 through a No. 1 fixed bolt 105, a No. 2 fixed shell 302 is provided at the lower end of the lower mold 102, and the lower mold 102 is threadedly connected to the No. 2 fixed shell 302 through a No. 2 fixed bolt 106, and a fixing rod 303 is provided on both sides of the No. 1 fixed shell 301, and the upper side of the fixing rod 303 is slidably connected to the upper mold 101, and the lower side of the fixing rod 303 is slidably connected to the lower mold 102, and a No. 3 fixing bolt 304 is provided at each end of the fixing rod 303, and the left side of the lower end of the No. 2 fixed shell 302 is provided. A purification component is provided on each right side, and the No. 1 fixing shell 301 and the upper mold 101 are threadedly connected by the No. 1 fixing bolt 105, and the No. 2 fixing shell 302 and the lower mold 102 are threadedly connected by the No. 2 fixing bolt 106. The limit ring provided on the surface of the No. 2 fixing shell 302 facilitates the splicing of the No. 1 fixing shell 301 and the No. 2 fixing shell 302, and the No. 1 fixing shell 301 and the No. 2 fixing shell 302 are assembled by the fixing rod 303 and the No. 3 fixing bolt 304. A closed space is formed by assembling the No. 1 fixing shell 301 and the No. 2 fixing shell 302, which is convenient for evacuating the inside of the two half molds to form a negative pressure environment, thereby improving the tire vulcanization quality.

[0028] In one embodiment, Figure 4 As shown, the purification component includes a fixed pipe 305, a fixed block 306 is provided at the lower end of the fixed pipe 305, the fixed block 306 is fixedly connected to the lower end of the second fixed shell 302, the fixed block 306 is fixedly connected to the lower end of the vacuum pump 307, an adsorbent and a catalyst are arranged inside the vacuum pump 307, the lower end of the vacuum pump 307 is fixedly connected to a fixed sleeve 308, and the side of the fixed sleeve 308 is fixedly connected to an exhaust pipe 309. The vacuum pump 307 provides power to extract the gas in the enclosed space formed by the first fixed shell 301 and the second fixed shell 302. During the vulcanization process, a large amount of sulfide gas is generated, and the sulfide gas enters the fixed sleeve 308 through the fixed pipe 305. The fixed sleeve 308 is provided with an adsorbent and a catalyst. The sulfide gas is purified by a physical adsorption method to provide a safe working environment for the staff.

[0029] The above embodiment discloses a two-half mold vacuum mold sleeve, wherein the vulcanized tire is placed above the lower mold 102, the upper mold 101 and the lower mold 102 are assembled through the positioning groove provided at the contact position of the lower mold 102 and the upper mold 101, the No. 1 fixing shell 301 and the upper mold 101 are threadedly connected through the No. 1 fixing bolt 105, the No. 2 fixing shell 302 and the lower mold 102 are threadedly connected through the No. 2 fixing bolt 106, the No. 1 fixing shell 301 and the No. 2 fixing shell 302 are conveniently assembled through the limiting ring provided on the surface of the No. 2 fixing shell 302, and the No. 1 fixing shell 301 and the No. 2 fixing shell 302 are assembled through the fixing rod 303 and the No. 3 fixing bolt 304. The assembly of the fixed shell 302 forms a closed space by assembling the No. 1 fixed shell 301 and the No. 2 fixed shell 302, which is convenient for evacuating the inside of the two half molds to form a negative pressure environment, and vulcanizing the tire inside the molding cavity 103. The vacuum pump 307 provides power to extract the gas in the closed space formed by the No. 1 fixed shell 301 and the No. 2 fixed shell 302. During the vulcanization process, a large amount of vulcanized gas is generated. The vulcanized gas enters the fixed sleeve 308 through the fixed pipe 305. The fixed sleeve 308 is provided with an adsorbent and a catalyst. The vulcanized gas is purified by physical adsorption, and the purified gas is discharged by the exhaust pipe 309.

[0030] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A two-half mold vacuum mold sleeve comprises an upper mold (101), a lower mold (102) is arranged below the upper mold (101), a molding cavity (103) is arranged between the upper mold (101) and the lower mold (102), an outer ring (104) is arranged on the surface of the upper mold (101) and the lower mold (102), a No. 1 fixing bolt (105) is arranged on both sides of the upper end of the upper mold (101), and three No. 2 fixing bolts (106) are arranged on both sides of the lower end of the lower mold (102), characterized in that: It also includes an ejection mechanism provided at the lower end of the lower mold (102) and an air extraction device provided outside the upper mold (101).

2. The two-mold vacuum sleeve according to claim 1, characterized in that: The ejection mechanism comprises a fixed seat (201), the lower end of the lower mold (102) is provided with the fixed seat (201), the upper end of the fixed seat (201) is fixedly connected to the fixed end of the hydraulic cylinder (202), the surface of the hydraulic cylinder (202) is fixedly connected to the lower mold (102), and the output end of the hydraulic cylinder (202) is fixedly connected to the ejection pad (203) at an internal position of the molding cavity (103).

3. The two-mold vacuum sleeve according to claim 2, characterized in that: The vacuum device comprises a No. 1 fixing shell (301), a No. 1 fixing shell (301) is provided at the upper end of the upper mold (101), the upper mold (101) is threadedly connected to the No. 1 fixing shell (301) via a No. 1 fixing bolt (105), a No. 2 fixing shell (302) is provided at the lower end of the lower mold (102), the lower mold (102) is threadedly connected to the No. 2 fixing shell (302) via a No. 2 fixing bolt (106), a fixing rod (303) is respectively provided on both sides of the No. 1 fixing shell (301), the upper side of the surface of the fixing rod (303) is slidably connected to the upper mold (101), and the lower side of the surface of the fixing rod (303) is slidably connected to the lower mold (102), a No. 3 fixing bolt (304) is respectively provided at both ends of the fixing rod (303), and a purification component is respectively provided on the left and right sides of the lower end of the No. 2 fixing shell (302).

4. The two-mold vacuum sleeve according to claim 3, characterized in that: The purification component comprises a fixed tube (305), a fixed block (306) is provided at the lower end of the fixed tube (305), the fixed block (306) is fixedly connected to the lower end of the second fixed shell (302), the lower end of the fixed block (306) is fixedly connected to an air pump (307), an adsorbent and a catalyst are provided inside the air pump (307), the lower end of the air pump (307) is fixedly connected to a fixed sleeve (308), and the side of the fixed sleeve (308) is fixedly connected to an exhaust pipe (309).

5. The two-mold vacuum sleeve according to claim 1, characterized in that: A positioning groove is provided at the contact position between the upper mold (101) and the lower mold (102).

6. The two-mold vacuum sleeve according to claim 3, characterized in that: A limiting ring is provided on the surface of the second fixing shell (302).

7. The two-mold vacuum sleeve according to claim 3, characterized in that: The first fixing shell (301) and the second fixing shell (302) are provided with sealing sleeves at the release positions.

8. The two-mold vacuum sleeve according to claim 1, characterized in that: The surface of the molding cavity (103) is provided with pattern blocks.

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