A vacuum tire vulcanizer

Abstract

This utility model provides a vacuum tire vulcanizing machine, belonging to the technical field of tire vulcanizing equipment. It includes a tire mold, an upper crossbeam, a support plate, a lower base, a booster cylinder, a vacuum tube, and a vacuum pump. The upper crossbeam is positioned above the lower base, and the upper crossbeam and lower base define a receiving cavity. The booster cylinder is mounted on the lower base, and its drive rod extends into the receiving cavity and connects to the support plate, suitable for driving the support plate to move up and down within the receiving cavity. A first sealing element is provided on the outer side of the support plate, sealingly engaging with the inner wall of the lower base. The support plate, lower base, and upper crossbeam separate a vulcanizing chamber within the receiving cavity. The tire mold is placed within the vulcanizing chamber. One end of the vacuum tube extends into the receiving cavity and communicates with the vulcanizing chamber, while the other end of the vacuum tube is connected to the vacuum pump. This utility model, by setting up a vulcanizing chamber and providing seals at various points, achieves the necessary conditions for vacuum vulcanization, realizing the vacuum function of ordinary molds and improving the quality of tire vulcanization.

Description

Technical Field

[0001] This application belongs to the technical field of tire vulcanization equipment, specifically relating to a vacuum tire vulcanizing machine. Background Technology

[0002] Currently, tire manufacturers have increasingly higher demands for tire quality and low energy consumption and environmental protection in the production process. One of the most effective methods for improving tire quality is the use of vacuum molds. However, vacuum molds are more expensive to produce than ordinary molds, and tire manufacturers face the need to discard and scrap old molds, resulting in significant expenses. Utility Model Content

[0003] To address the aforementioned technical problems, this application provides a vacuum tire vulcanizing machine.

[0004] A vacuum tire vulcanizing machine includes a tire mold, an upper crossbeam, a support plate, a lower base, a booster cylinder, a vacuum pipe, and a vacuum pump.

[0005] The upper crossbeam is positioned above the lower base, and the upper crossbeam and the lower base define an accommodating cavity. The force-applying cylinder is mounted on the lower base, and the drive rod of the force-applying cylinder extends into the accommodating cavity and connects with the support plate, which is suitable for driving the support plate to move up and down within the accommodating cavity.

[0006] The outer side of the pallet is provided with a first sealing element that seals with the inner wall of the lower base. The pallet, the lower base and the upper crossbeam are separated into a vulcanization chamber in the accommodating cavity. The tire mold is placed in the vulcanization chamber.

[0007] One end of the vacuum tube extends into the accommodating cavity and communicates with the vulcanization chamber, while the other end of the vacuum tube is connected to a vacuum pump.

[0008] Furthermore, a sealing ring platform is provided on the outer periphery of the tray, the first sealing element is disposed on the sealing ring platform, and a pressure plate is disposed on the tray with its outer end extending above the sealing ring platform to press the first sealing element.

[0009] Furthermore, a second sealing element is provided between the upper crossbeam and the lower base.

[0010] Furthermore, the vacuum pump is connected to the flue gas treatment device.

[0011] Furthermore, a filter element is provided at one end of the vacuum tube.

[0012] Furthermore, a lower heat insulation layer and a lower heating plate are sequentially installed on the pallet, an upper heat insulation layer and an upper heating plate are sequentially installed on the top of the inner cavity of the upper crossbeam, the tire mold is disposed between the upper heating plate and the lower heating plate, the upper mold of the tire mold is fixedly connected to the upper heating plate, and the lower mold of the tire mold is fixedly connected to the lower heating plate.

[0013] Furthermore, the tire mold is a movable mold, with the control lever passing through the upper crossbeam and the upper heating plate and connected to the upper mold of the tire mold, suitable for driving the movable mechanism of the tire mold to move, and a third sealing element is provided between the control lever and the inner hole of the upper crossbeam.

[0014] Furthermore, the upper heating plate is provided with a first heating device, the lower heating plate is provided with a second heating device, and the upper mold of the tire mold is provided with a third heating device. The first heating device, the second heating device, and the third heating device are all electric heating devices. External cables are electrically connected to the first heating device, the second heating device, and the third heating device, which are suitable for supplying power to the first heating device, the second heating device, and the third heating device to heat the corresponding components.

[0015] Furthermore, the upper crossbeam is equipped with a first plug, which is connected to a first heating device and / or a second heating device. The first plug is sealed to the upper crossbeam, and the external cable is electrically connected to the first plug.

[0016] The tray is equipped with a second plug, which is connected to a third heating device. The second plug is sealed to the tray, and the external cable passes through the lower base, the tray, and is electrically connected to the second plug.

[0017] Furthermore, a return air pipe is also provided on the upper crossbeam, and the return air pipe is connected to the vulcanization chamber and is equipped with a return air valve.

[0018] The technical solution provided in this application has the following advantages compared with the prior art:

[0019] 1. By setting up a vulcanization chamber and installing seals at various points, the necessary conditions for vacuum vulcanization are met, enabling ordinary molds to perform vacuuming and improving the quality of tire vulcanization.

[0020] 2. By moving the pallet up and down, the vacuum volume is further reduced, the vacuum efficiency is improved, and energy consumption is reduced.

[0021] 3. By using flue gas treatment equipment to recover and treat sulfidation waste gas, the environmental pollution of the sulfidation process can be further reduced, the working environment of operators can be improved, and the harm of polluting gases to personnel health can be reduced. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the vacuum tire vulcanizing machine in the locked state according to this application;

[0024] Figure 2 This is a schematic diagram of the vacuum tire vulcanizing machine in the open state of this application;

[0025] Figure 3 This is attached to the application. Figure 2 A schematic diagram of the structure at point A;

[0026] Figure 4 This is attached to the application. Figure 2 A schematic diagram of the structure at point B;

[0027] Figure 5 This is attached to the application. Figure 2 A schematic diagram of the structure at point C;

[0028] Figure 6 This is attached to the application. Figure 2 A schematic diagram of the structure at point D.

[0029] Explanation of reference numerals in the attached figures:

[0030] 1-Tire mold, 2-Upper crossbeam, 3-Panel, 4-Lower base, 5-Power cylinder, 6-Vacuum tube, 7-Vacuum pump, 8-Cornered ring, 9-First seal, 10-Pressure plate, 11-Second seal, 12-Flue gas treatment device, 13-First through hole, 14-Second through hole, 15-Lower heating plate, 16-Upper heating plate, 17-Operating lever, 18-Third seal, 19-First plug, 20-Second plug, 21-Filter component, 22-Return valve. Detailed Implementation

[0031] The technical solutions of this application will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0032] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0034] Furthermore, the technical features involved in the different embodiments of this application described below can be combined with each other as long as they do not conflict with each other.

[0035] The present application will be further described below with reference to the accompanying drawings and embodiments.

[0036] Please refer to the appendix. Figure 1 To be continued Figure 6 This application proposes a vacuum tire vulcanizing machine, which includes a tire mold 1, an upper crossbeam 2, a support plate 3, a lower base 4, a booster cylinder 5, a vacuum pipe 6, a vacuum pump 7, etc.

[0037] The upper crossbeam 2 is positioned above the lower base 4, and the upper crossbeam 2 and the lower base 4 are connected by a toothed ring 8, defining a receiving cavity. A booster cylinder 5 is mounted on the lower base 4, and the drive rod of the booster cylinder 5 extends into the receiving cavity and connects to the support plate 3, suitable for driving the support plate 3 to move up and down within the receiving cavity. A first sealing element 9 is provided on the outer side of the support plate 3 to seal against the inner wall of the lower base 4. The support plate 3, the lower base 4, and the upper crossbeam separate a vulcanization chamber within the receiving cavity, and the tire mold 1 is positioned within the vulcanization chamber. The booster cylinder 5 can be a hydraulic cylinder, and preferably multiple booster cylinders 5 are arranged circumferentially.

[0038] A sealing ring is provided on the outer periphery of the support plate 3. A first sealing element 9 is placed on the sealing ring. A pressure plate 10 is placed on the support plate 3 with its outer end extending above the sealing ring to press the first sealing element 9. The pressure plate 10 is fixed to the support plate 3 using screws or other fasteners. The first sealing element 9 is preferably a V-shaped sealing ring with its opening facing downwards. During tire vulcanization, the pressure difference between the upper and lower sides of the V-shaped sealing ring causes it to deform under pressure, enhancing the sealing performance. A second sealing element 11 is also provided between the upper crossbeam 2 and the lower base 4, specifically between the end faces of the upper crossbeam 2 and the lower base 4. The second sealing element 11 can be a sealing ring.

[0039] One end of the vacuum tube 6 extends into the receiving cavity and communicates with the vulcanization chamber. The other end of the vacuum tube 6 is sequentially connected to a vacuum pump 7 and a flue gas treatment device 12, which can treat the vulcanized waste gas in the gas. Preferably, a first through hole 13 and a second through hole 14 are coaxially arranged on the lower base 4 and the support plate 3. One end of the vacuum tube 6 passes through the first through hole 13 and is located in the second through hole 14. The vacuum tube 6 is sealed to the support plate 3. Preferably, a filter element 21 is provided at one end of the vacuum tube 6 to prevent impurities from entering the vacuum tube 6.

[0040] Furthermore, a lower heat insulation layer (not shown) and a lower heating plate 15 are sequentially installed on the support plate 3, and an upper heat insulation layer (not shown) and an upper heating plate 16 are sequentially installed on the top of the inner cavity of the upper crossbeam 2. The tire mold 1 is disposed between the lower heating plate 15 and the upper heating plate 16, with the upper mold of the tire mold 1 fixedly connected to the upper heating plate 16 and the lower mold of the tire mold 1 fixedly connected to the lower heating plate 15. Optionally, the tire mold 1 is a movable mold, with the operating lever 17 passing through the upper crossbeam 2 and the upper heating plate 16 and connected to the upper mold of the tire mold 1, suitable for driving the movable mechanism of the tire mold 1. A third sealing element 18 is provided between the operating lever 17 and the inner hole of the upper crossbeam 2, which can be a sealing ring, sealing ring, etc.

[0041] The upper heating plate 16 is equipped with a first heating device, the lower heating plate 15 is equipped with a second heating device, and the upper mold of the tire mold 1 is equipped with a third heating device. The first, second, and third heating devices are electric heating devices, such as electric heating tubes or induction heating coils. External cables are electrically connected to the first, second, and third heating devices, suitable for supplying power to the first, second, and third heating devices to heat the corresponding components.

[0042] Preferably, the upper crossbeam 2 is equipped with a first plug 19, which is connected to a first heating device and / or a second heating device. The first plug 19 is sealed to the upper crossbeam 2, and an external cable is electrically connected to the first plug 19. The tray 3 is equipped with a second plug 20, which is connected to a third heating device. The second plug 20 is sealed to the tray 3, and an external cable passes through the lower base 4 and is electrically connected to the second plug 20.

[0043] Preferably, a return air pipe is also provided on the upper crossbeam 2, the return air pipe is connected to the vulcanization chamber, and a return air valve 22 is provided on the return air pipe.

[0044] During tire vulcanization, the tire mold 1 moves downward with the upper crossbeam 2 in the open state. After the upper crossbeam 2 and the lower base 4 make sealed contact, the toothed ring 8 locks. The vacuum pump 7 is turned on to start extracting the gas in the vulcanization chamber. At the same time, the support plate 3 starts to move upward under the drive of the booster cylinder 5 until the vulcanization chamber reaches the set negative pressure value. The booster cylinder 5 drives the support plate 3 to continue to move upward until the tire mold 1 closes and applies pre-pressure to enter the vulcanization process.

[0045] After vulcanization, the booster cylinder 5 moves the pallet 3 downward, and the tire mold 1 opens; the return air valve 22 opens, the vacuum pump 7 restarts, and the vulcanization waste gas in the vulcanization chamber is collected to the flue gas treatment device 12 by the action of the vacuum pump 7. During the process, fresh air from outside will be drawn into the vulcanization chamber through the return air pipe; after the negative pressure in the vulcanization chamber is released to the normal pressure, the toothed ring 8 opens, and the upper crossbeam 2 moves upward to complete the mold opening action.

[0046] This application proposes a vacuum tire vulcanizing machine. By setting up a vulcanization chamber and installing seals at various points, it achieves the necessary conditions for vacuum vulcanization, enabling ordinary molds to perform vacuum functions and improving tire vulcanization quality. The vertical movement of the pallet 3 further reduces the vacuum volume, improves vacuum efficiency, and reduces energy consumption. The flue gas treatment device 12 recovers and treats the vulcanization waste gas, further reducing environmental pollution in the vulcanization process, improving the working environment for operators, and reducing the harm of polluting gases to personnel health.

[0047] The above description is merely a specific embodiment of this disclosure, enabling those skilled in the art to understand or implement it. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this disclosure. Therefore, this disclosure is not to be limited to the embodiments described herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A vacuum tire vulcanizing machine, characterized in that, Includes tire mold (1), upper crossbeam (2), pallet (3), lower base (4), booster cylinder (5), vacuum tube (6), and vacuum pump (7); The upper crossbeam (2) is positioned above the lower base (4), and the upper crossbeam (2) and the lower base (4) define the accommodating cavity. The force cylinder (5) is mounted on the lower base (4), and the drive rod of the force cylinder (5) extends into the accommodating cavity and connects with the tray (3), which is suitable for driving the tray (3) to move up and down in the accommodating cavity. The outer side of the pallet (3) is provided with a first sealing element (9) which is sealed to the inner wall of the lower base (4). The pallet (3), the lower base (4) and the upper crossbeam (2) are separated into a vulcanization chamber in the accommodating cavity. The tire mold (1) is set in the vulcanization chamber. One end of the vacuum tube (6) extends into the accommodating cavity and communicates with the vulcanization chamber, and the other end of the vacuum tube (6) is connected to a vacuum pump (7).

2. The vacuum tire vulcanizing machine according to claim 1, characterized in that, The outer periphery of the tray (3) is provided with a sealing ring platform, the first sealing element (9) is provided on the sealing ring platform, and the pressure plate (10) is provided on the tray (3) with its outer end extending above the sealing ring platform to press the first sealing element (9).

3. The vacuum tire vulcanizing machine according to claim 1, characterized in that, A second sealing element (11) is provided between the upper crossbeam (2) and the lower base (4).

4. The vacuum tire vulcanizing machine according to claim 1, characterized in that, The vacuum pump (7) is connected to the flue gas treatment device (12).

5. A vacuum tire vulcanizing machine according to claim 1, characterized in that, A filter element (21) is provided at one end of the vacuum tube (6).

6. A vacuum tire vulcanizing machine according to claim 1, characterized in that, The lower heat insulation layer and the lower heating plate (15) are installed sequentially on the pallet (3). The upper heat insulation layer and the upper heating plate (16) are installed sequentially on the top of the inner cavity of the upper crossbeam (2). The tire mold (1) is set between the upper heating plate (16) and the lower heating plate (15). The upper mold of the tire mold (1) is fixedly connected to the upper heating plate (16), and the lower mold of the tire mold (1) is fixedly connected to the lower heating plate (15).

7. A vacuum tire vulcanizing machine according to claim 6, characterized in that, The tire mold (1) is a movable mold. The control lever (17) passes through the upper crossbeam (2) and the upper heating plate (16) and is connected to the upper mold of the tire mold (1). It is suitable for driving the movable mechanism of the tire mold (1) to move. A third sealing element (18) is provided between the control lever (17) and the inner hole of the upper crossbeam (2).

8. A vacuum tire vulcanizing machine according to claim 6, characterized in that, The upper heating plate (16) is provided with a first heating device, the lower heating plate (15) is provided with a second heating device, and the upper mold of the tire mold (1) is provided with a third heating device. The first heating device, the second heating device and the third heating device are all electric heating devices. External cables are electrically connected to the first heating device, the second heating device and the third heating device, which are suitable for supplying power to the first heating device, the second heating device and the third heating device to heat the corresponding components.

9. A vacuum tire vulcanizing machine according to claim 8, characterized in that, The upper crossbeam (2) is equipped with a first plug (19), which is connected to a first heating device and / or a second heating device. The first plug (19) is sealed to the upper crossbeam (2), and the external cable is electrically connected to the first plug (19). The tray (3) is equipped with a second plug (20), which is connected to a third heating device. The second plug (20) is sealed to the tray (3), and the external cable passes through the lower base (4), the tray (3), and is electrically connected to the second plug (20).

10. A vacuum tire vulcanizing machine according to claim 1, characterized in that, A return gas pipe is also provided on the upper crossbeam (2), and the return gas pipe is connected to the vulcanization chamber and is equipped with a return gas valve (22).

Images