A tire vulcanization production line

Abstract

The present invention discloses a tire vulcanization production line, including an automatic mold warming machine for heating a mold, a plurality of tire vulcanizers for automatically changing molds, and a positioning conveyor line, wherein the positioning conveyor line is arranged between the automatic mold warming machine and the tire vulcanizer and between two adjacent tire vulcanizers. Therefore, in the present invention, the mold is heated by the automatic mold warming machine, and after the heating is completed, it is transmitted to the tire vulcanizer through the positioning conveyor line for replacement. Compared with the manual replacement of the mold in the prior art, the time consumption is greatly reduced, and human resources are saved, the production cost is reduced, and the production efficiency is improved. In addition, heating the mold by the automatic mold warming machine alone reduces the labor intensity of the tire vulcanizer and increases the service life of the tire vulcanizer.

Description

Technical Field

[0001] The invention relates to the technical field of tire vulcanization equipment, and more specifically to a tire vulcanization production line. Background Art

[0002] When producing PCR semi-steel passenger car tires and TBR full-steel radial tires, tire companies frequently change molds when producing on demand. Tire molds require manpower to replace, and it usually takes 1 to 2 hours, which is time-consuming and labor-intensive, and reduces the efficiency of tire vulcanization production.

[0003] At the same time, the existing technology uses vulcanization steam to heat the mold directly on the tire vulcanizer, which has a long heating time (the heating time of PCR semi-steel passenger car tire mold is 2 hours, and the heating time of TBR full-steel tire mold is 5 to 6 hours), low production efficiency, increased labor intensity of vulcanization equipment, and reduced its service life.

[0004] In summary, how to improve tire vulcanization production efficiency is a problem that needs to be solved urgently by those skilled in the art. Summary of the invention

[0005] In view of this, the purpose of the present invention is to provide a tire vulcanization production line, which can realize automatic mold replacement, and the mold has independent temperature control, with a high degree of automation, which greatly improves the tire vulcanization production efficiency.

[0006] In order to achieve the above object, the present invention provides the following technical solutions:

[0007] A tire vulcanization production line comprises an automatic mold warming machine for heating molds, a plurality of tire vulcanizers for automatically changing molds, and a positioning conveyor line, wherein the positioning conveyor line is arranged between the automatic mold warming machine and the tire vulcanizer and between two adjacent tire vulcanizers.

[0008] Preferably, the automatic mold warming machine comprises a mold warming machine frame, a first horizontal moving device, a first vertical moving device, a plurality of mold warming units and a conveying device for conveying and removing molds, the frame is a frame structure, two first plane guide rails are arranged above the frame, the first horizontal moving device is connected to the first plane guide rails, and the first horizontal moving device can move relative to the first plane guide rails;

[0009] The first vertical moving device is connected to the first horizontal moving device, and the first vertical moving device can move in the normal direction of the first horizontal moving device;

[0010] The mold warming unit includes an upper heating plate, a lower heating plate, a mold sleeve quick-plug pipe for heating the mold sleeve, and a mold clamping device for clamping the mold. The upper heating plate is connected to the bottom surface of the first vertical moving device, and the lower heating plate is connected to a rotating platform installed on the mold warming machine frame. The rotating platform can drive the lower heating plate to rotate relative to the upper heating plate.

[0011] Preferably, mold positioning pieces are provided on the lower surface of the upper heating plate and the upper surface of the lower heating plate to achieve circumferential positioning with the mold.

[0012] Preferably, a rotary servo motor for driving the rotary platform to rotate is provided on the rotary platform, and a proximity switch is provided on the mounting frame of the rotary servo motor, and the proximity switch is connected to the rotary servo motor.

[0013] Preferably, the tire vulcanizer comprises a vulcanizer frame, a second horizontal moving device, a second vertical moving device, and a movable mold oil cylinder for merging or separating the upper mold and the lower mold, and the movable mold oil cylinder is connected to the second vertical moving device;

[0014] The vulcanizer frame is a frame structure, two second plane guide rails are arranged above the vulcanizer frame, the second horizontal moving device is connected to the second plane guide rails, and the second horizontal moving device can move relative to the second plane guide rails;

[0015] The second vertical moving device is connected to the second horizontal moving device, and the second vertical moving device can move in the normal direction of the second planar moving device;

[0016] The lower surface of the second vertical moving device is connected to a mold clamping device, and the upper surface of the bottom frame of the vulcanizer frame is connected to a lower mold locking device.

[0017] Preferably, the tire vulcanizer includes a tire loading robot for grabbing a tire blank and a tire unloading robot for grabbing a tire, and both the tire loading robot and the tire unloading robot are installed on the vertical moving device, and both are respectively connected to the two ends of the second vertical moving device in the moving direction of the second horizontal moving device.

[0018] Preferably, the tire loading robot and the tire unloading robot both comprise a gripping plate device for grabbing a tire or a tire blank, a robot support connected to the second vertical moving device, a lifting device and a vertical track, the lifting device is installed on the robot support, one end of the lifting device is fixedly connected to the vertical track, and the other end of the lifting device is slidably connected to the vertical track;

[0019] The other end of the vertical track is connected to the disc grabbing device.

[0020] Preferably, the positioning conveyor line includes a conveyor track and a transfer platform installed on the conveyor track, and the transfer platform is provided with a servo motor for driving the transfer platform.

[0021] Preferably, the automatic mold warming machine and the tire vulcanizer are arranged side by side, and the output end of the automatic mold warming machine and the input end of the tire vulcanizer are located on the same side.

[0022] The tire vulcanization production line provided by the present invention comprises an automatic mold warming machine for heating molds, a plurality of tire vulcanizers for automatically changing molds, and a positioning conveyor line, wherein the positioning conveyor line is arranged between the automatic mold warming machine and the tire vulcanizer and between two adjacent tire vulcanizers.

[0023] Therefore, in the present invention, the mold is heated by an automatic mold temperature machine, and after heating is completed, it is transmitted to the tire vulcanizer through a positioning conveyor line for replacement. Compared with the manual replacement of the mold in the prior art, the time consumption is greatly reduced, human resources are saved, production costs are reduced, and production efficiency is improved.

[0024] In addition, the mold is heated solely by an automatic mold temperature controller, which reduces the labor intensity of the tire vulcanizer and increases the service life of the tire vulcanizer. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0026] Figure 1 A schematic structural diagram of a specific embodiment of a tire vulcanization production line provided by the present invention;

[0027] Figure 2 for Figure 1 A schematic diagram of the structure of a tire mold heating machine;

[0028] Figure 3 for Figure 2 A schematic diagram of the process of the tire mold heating machine during mold heating;

[0029] Figure 4 for Figure 2 A schematic diagram of the process flow of the tire mold heating machine during mold replacement;

[0030] Figure 5 for Figure 2Schematic diagram of the structure after the warm mold unit and the mold are assembled;

[0031] Figure 6 for Figure 1 A schematic diagram of the structure of the tire vulcanizer provided;

[0032] Figure 7 for Figure 5 A schematic diagram of the front view of the tire vulcanizer provided;

[0033] Figure 8 for Figure 5 A schematic diagram of the structure of the manipulator of the provided tire vulcanizer;

[0034] Fig. 9 for Figure 1 Schematic diagram of the structure of the transfer platform.

[0035] Figure 1-9 middle:

[0036] 1 is an automatic mold warming machine, 11 is a mold warming machine frame, 111 is a first plane guide rail, 12 is a mold warming unit, 121 is an upper heating plate, 122 is a lower heating plate, 123 is a mold sleeve quick-plug pipe, 13 is a rotating platform, 2 is a tire vulcanizer, 21 is a vulcanizer frame, 211 is a second plane guide rail, 22 is a manipulator, 221 is a manipulator bracket, 222 is a threaded elevator, 223 is a vertical track, 224 is a grabbing device, 3 is a transfer platform, 31 is a support plate, 32 is an angle control motor, 33 is a first gear, 34 is a linear displacement control motor, 35 is a second gear, and 4 is a mold clamping device. DETAILED DESCRIPTION

[0037] 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.

[0038] The core of the present invention is to provide a tire vulcanization production line, which can realize automatic mold replacement, and the mold is independently warmed, with a high degree of automation, greatly improving the tire vulcanization production efficiency.

[0039] Please refer to Figure 1-Figure 9 , Figure 1 A schematic structural diagram of a specific embodiment of a tire vulcanization production line provided by the present invention; Figure 2 for Figure 1 A schematic diagram of the structure of a tire mold heating machine; Figure 3 for Figure 2A schematic diagram of the process of the tire mold heating machine during mold heating; Figure 4 for Figure 2 A schematic diagram of the process flow of the tire mold heating machine during mold replacement; Figure 5 for Figure 2 Schematic diagram of the structure after the warm mold unit and the mold are assembled; Figure 6 for Figure 1 A schematic diagram of the structure of the tire vulcanizer provided; Figure 7 for Figure 5 A schematic diagram of the front view of the tire vulcanizer provided; Figure 8 for Figure 5 A schematic diagram of the structure of the manipulator of the provided tire vulcanizer; Fig. 9 for Figure 1 Schematic diagram of the structure of the transfer platform.

[0040] The tire vulcanization production line provided by the present invention comprises an automatic mold warming machine 1 for heating molds, a plurality of tire vulcanizers 2 for automatically changing molds, and a positioning conveyor line, wherein the positioning conveyor line is arranged between the automatic mold warming machine 1 and the tire vulcanizer 2 and between two adjacent tire vulcanizers 2.

[0041] Therefore, in the present invention, the mold is heated by an automatic mold temperature machine 1, and after heating is completed, it is transmitted to the tire vulcanizer 2 through a positioning conveyor line for replacement. Compared with the manual replacement of the mold in the prior art, the time consumption is greatly reduced, human resources are saved, production costs are reduced, and production efficiency is improved.

[0042] In addition, the mold is heated solely by the automatic mold warming machine 1 , which reduces the labor intensity of the tire vulcanizer 2 and increases the service life of the tire vulcanizer 2 .

[0043] Preferably, the automatic mold warming machine 1 and the tire vulcanizer 2 can be arranged side by side, and the output end of the automatic mold warming machine 1 and the input end of the tire vulcanizer 2 are located on the same side, so as to reduce the transportation distance and further improve the production efficiency. At the same time, this arrangement method has high space utilization and the floor space required for the production line is small.

[0044] On the basis of the above embodiment, the automatic mold warming machine 1 may include a mold warming machine frame 11, a first horizontal moving device, a first vertical moving device, a plurality of mold warming units 12 and a conveying device for conveying and removing molds. The mold warming machine frame 11 is a frame structure. Two first planar guide rails 111 are arranged above the mold warming machine frame 11. The first horizontal moving device is connected to the first planar guide rails 111, and the first horizontal moving device can move relative to the first planar guide rails 111; the first vertical moving device is connected to the first horizontal moving device, and the first vertical moving device can move in the normal direction of the first horizontal moving device; the mold warming unit 12 includes an upper heating plate 121, a lower heating plate 122, a mold sleeve quick-insertion pipe 123 for heating the mold sleeve, and a mold clamping device 4 for clamping the mold, the upper heating plate 121 is connected to the bottom surface of the first vertical moving device, the lower heating plate 122 is connected to a rotating platform 13 installed on the mold warming machine frame 11, and the rotating platform 13 can drive the lower heating plate 122 to rotate relative to the upper heating plate 121.

[0045] When the heating operation is performed, the mold to be heated is transferred to the mold storage position by the conveying guide rail through the transfer platform 3, the horizontal moving position moves to above the mold storage position, and the vertical moving device descends to the mold clamping device 4 to clamp the mold to be heated; after the vertical moving device rises to its original height, the horizontal moving device moves to above the transfer platform 3; the vertical moving device descends to install the mold to be heated on the lower heating plate 122, and the upper heating plate 121 and the lower heating plate 122 heat the mold to be heated at the same time; the vertical moving device rises, and the lower heating plate 122 is separated from the mold to be heated; the horizontal moving device moves to above the mold transmission position, the vertical moving device descends to contact with the transfer platform 3, and the mold clamping device 4 releases the heated mold.

[0046] Therefore, this embodiment realizes the automation of mold replacement and heating, with a high degree of automation, without the need for manual intervention, and greatly improves the mold warming efficiency of the tire mold heating machine.

[0047] Preferably, both the lower surface of the upper heating plate 121 and the upper surface of the lower heating plate 122 may be provided with mold positioning pieces to achieve circumferential positioning with the mold.

[0048] The mold positioning member can be a plurality of arc-shaped protrusions with a certain height, or can be a positioning ring with a certain height.

[0049] In addition, the mold positioning member may also be a positioning groove that is clamped with the mold.

[0050] Based on the above embodiment, a rotary servo motor for driving the rotary platform 13 to rotate can be provided on the rotary platform 13, and a proximity switch is provided on the mounting frame of the rotary servo motor. The proximity switch is connected to the rotary servo motor. Therefore, the proximity switch can provide a 0-point position of the rotation technology for the encoder in the rotary servo motor, and the encoder controls the rotation of the rotary servo motor.

[0051] It should be pointed out that the connection here is an electrical connection, which is used to indicate that the encoder can receive the signal transmitted by the proximity switch, and is not limited to indicating that the two are connected on a physical line.

[0052] On the basis of the above embodiment, the tire vulcanizer 2 may include a vulcanizer frame 21, a second horizontal moving device, a second vertical moving device and a movable mold cylinder for merging or separating the upper mold and the lower mold, and the movable mold cylinder is connected to the second vertical moving device; the vulcanizer frame 21 is a frame structure, and two second planar guide rails 211 are provided above the vulcanizer frame 21, the second horizontal moving device is connected to the second planar guide rails 211, and the second horizontal moving device can move relative to the second planar guide rails 211; the second vertical moving device is connected to the second horizontal moving device, and the second vertical moving device can move in the normal direction of the second horizontal moving device; the lower surface of the second vertical moving device is connected to the mold clamping device 4, and the upper surface of the base frame of the vulcanizer frame 21 is connected to the lower mold locking device.

[0053] When removing the mold, the lower mold locking device is controlled to open and the movable mold cylinder is retracted to keep the upper mold and the lower mold in the mold-closed state, and then the vertical moving device rises, and the horizontal moving device moves from above the mold closing position to above the storage position of the replaced mold, and the vertical moving position descends and opens the mold clamping device 4 to separate the mold from the equipment.

[0054] When installing the mold, the horizontal moving device moves from above the mold closing position to above the storage position of the mold to be replaced, the vertical moving device descends, and the mold clamping device 4 clamps the mold; then the vertical moving device rises, the horizontal moving device moves from above the storage position of the mold to be replaced to above the mold closing position, the vertical device descends to the locking position, the lower mold locking device locks the lower mold, the active mold cylinder extends to separate the upper mold from the lower mold, and the vertical moving device drives the upper mold to rise.

[0055] Therefore, this embodiment realizes the automation of mold replacement with a high degree of automation, without the need for manual intervention, and greatly improves the working efficiency of the tire vulcanizer 2.

[0056] On the basis of the above-mentioned embodiment, it can include a tire loading robot for grabbing the tire blank and a tire unloading robot for grabbing the tire. Both the tire loading robot and the tire unloading robot are installed on the second vertical moving device, and the two are respectively connected to the two ends of the second vertical moving device in the movement direction of the second horizontal moving device, thereby realizing the automation of loading and unloading semi-finished products and finished products, further improving the degree of automation and production efficiency.

[0057] Preferably, in order to improve the interchangeability between parts, the tire installation robot and the tire removal robot can be set to have the same structure, collectively referred to as the robot 22.

[0058] Preferably, please refer to Figure 3 Both the tire loading robot and the tire unloading robot include a grabbing device 224 for grabbing tires or tire blanks, a robot support 221 connected to a second vertical moving device, a lifting device and a vertical rail 223. The lifting device is installed on the robot support 221, one end of the lifting device is fixedly connected to the vertical rail 223, and the other end of the lifting device is slidably connected to the vertical rail 223; the other end of the vertical rail 223 is connected to the grabbing device 224.

[0059] When in use, the length of the lifting device is controlled to increase, and since the manipulator bracket 221 is fixedly connected to the vertical moving device and the height remains unchanged, the vertical track 223 drives the plate grabbing device 224 to rise.

[0060] On the contrary, the length of the control lifting device is reduced, and since the manipulator bracket 221 is fixedly connected to the vertical moving device and the height remains unchanged, the vertical track 223 drives the plate grabbing device 224 to descend.

[0061] Preferably, the lifting device can be provided with a threaded lifter 222, which has a relatively simple structure and high structural stability.

[0062] On the basis of the above-mentioned embodiment, the positioning conveying line may include a conveying track and a transfer platform 3 installed on the conveying track, and a servo motor for driving the transfer platform 3 is provided on the transfer platform 3 .

[0063] Preferably, the transfer platform 3 may include a support plate 31, a linear displacement control motor 34, a first gear 33 coaxially arranged with the support plate 31, an angle control motor 32 for controlling the rotation of the first gear 33, and an angle detection device for detecting the current angle. The bottom surface of the support plate 31 is provided with a second gear 35 for engaging with the gear transport rail. The linear displacement control motor 34 is connected to the second gear 35 so as to drive the support plate 31 to move on the gear transport rail by controlling the rotation of the second gear 35; the first gear 33 is connected to the angle control motor 32, and the angle control motor 32 is connected to the angle detection device so that the angle control motor 32 controls the rotation angle of the first gear 33 through the current angle.

[0064] It should be noted that the first and second of the first planar guide rail 111 and the second planar guide rail 211, the first horizontal moving device and the second horizontal moving device, the first horizontal moving device and the second horizontal moving device, and the first gear 33 and the second gear 35 mentioned in the present application document are only used to distinguish the difference in position and do not contain any limitation on the order.

[0065] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0066] The tire vulcanization production line provided by the present invention is introduced in detail above. The principle and implementation mode of the present invention are described in this article by using specific examples. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. It should be pointed out that for ordinary technicians in this technical field, the present invention can also be improved and modified without departing from the principle of the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims

1. A tire vulcanization production line, characterized in that: It comprises an automatic mold warming machine (1) for heating the mold, a plurality of tire vulcanizers (2) for automatically changing the mold, and a positioning conveyor line, wherein the positioning conveyor line is arranged between the automatic mold warming machine (1) and the tire vulcanizer (2) and between two adjacent tire vulcanizers (2); The automatic mold warming machine (1) comprises a mold warming machine frame (11), a first horizontal moving device, a first vertical moving device, a plurality of mold warming units (12) and a conveying device for conveying and removing molds, the frame being a frame structure, two first planar guide rails (111) being arranged above the frame, the first horizontal moving device being connected to the first planar guide rails (111), and the first horizontal moving device being movable relative to the first planar guide rails (111); The first vertical moving device is connected to the first horizontal moving device, and the first vertical moving device can move in the normal direction of the first horizontal moving device; The mold warming unit (12) comprises an upper heating plate (121), a lower heating plate (122), a mold sleeve quick-connect pipe (123) for heating the mold sleeve, and a mold clamping device (4) for clamping the mold, the upper heating plate (121) being connected to the bottom surface of the first vertical moving device, the lower heating plate (122) being connected to a rotating platform (13) mounted on the mold warming machine frame (11), and the rotating platform (13) being capable of driving the lower heating plate (122) to rotate relative to the upper heating plate (121); The lower surface of the upper heating plate (121) and the upper surface of the lower heating plate (122) are both provided with mold positioning parts to achieve circumferential positioning with the mold, and the mold positioning parts are arc-shaped protrusions with a certain height, or positioning rings with a certain height, or positioning grooves for clamping with the mold.

2. The tire vulcanization production line according to claim 1, characterized in that: The rotating platform (13) is provided with a rotating servo motor for driving the rotating platform (13) to rotate, and a proximity switch is provided on a mounting frame of the rotating servo motor, wherein the proximity switch is connected to the rotating servo motor.

3. The tire vulcanization production line according to claim 1, characterized in that: The tire vulcanizer (2) comprises a vulcanizer frame (21), a second horizontal moving device, a second vertical moving device, and a flexible mold oil cylinder for merging or separating an upper mold and a lower mold, wherein the flexible mold oil cylinder is connected to the second vertical moving device; The vulcanizer frame (21) is a frame structure, two second planar guide rails (211) are provided above the vulcanizer frame (21), the second horizontal moving device is connected to the second planar guide rails (211), and the second horizontal moving device can move relative to the second planar guide rails (211); The second vertical moving device is connected to the second horizontal moving device, and the second vertical moving device can move in the normal direction of the second horizontal moving device; The lower surface of the second vertical moving device is connected to a mold clamping device (4), and the upper surface of the bottom frame of the vulcanizer frame (21) is connected to a lower mold locking device.

4. The tire vulcanization production line according to claim 3, characterized in that: The tire vulcanizer (2) comprises a tire loading robot for grabbing a tire blank and a tire unloading robot for grabbing a tire. The tire loading robot and the tire unloading robot are both mounted on the second vertical moving device, and are respectively connected to two ends of the second vertical moving device in the moving direction of the second horizontal moving device.

5. The tire vulcanization production line according to claim 4, characterized in that: The tire loading robot and the tire unloading robot both comprise a gripping plate device (224) for grabbing a tire or a green tire, a robot support (221) connected to the second vertical moving device, a lifting device and a vertical track (223), wherein the lifting device is mounted on the robot support (221), one end of the lifting device is fixedly connected to the vertical track (223), and the other end of the lifting device is slidably connected to the vertical track (223); The other end of the vertical track (223) is connected to the plate grabbing device (224).

6. The tire vulcanization production line according to claim 1, characterized in that: The positioning conveyor line comprises a conveyor track and a transfer platform (3) mounted on the conveyor track, and the transfer platform (3) is provided with a servo motor for driving the transfer platform (3).

7. The tire vulcanization production line according to any one of claims 1 to 6, characterized in that: The automatic mold warming machine (1) and the tire vulcanizer (2) are arranged side by side, and the output end of the automatic mold warming machine (1) and the input end of the tire vulcanizer (2) are located on the same side.

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