Tire grabber of tire forming vulcanizer

Abstract

The utility model relates to the technical field of tire production, in particular to a tire grabber of a tire forming vulcanizer, which not only has protective measures to prevent a tire from falling off due to failure of claw pieces, but also prevents the claw pieces from continuously expanding outwards to crush outer-layer raw rubber of a green tire. Comprising a driving mechanism; the tire clamping device comprises a driving mechanism, and further comprises a supporting mechanism, five clamping mechanisms, five traction mechanisms and five protection mechanisms, the supporting mechanism is installed on the driving mechanism and conveniently drives a tire to move, the five clamping mechanisms are all installed on the supporting mechanism and clamp the tire, and the five traction mechanisms are installed on the five clamping mechanisms respectively and drive the five clamping mechanisms to move. And the five groups of protection mechanisms are respectively mounted on the supporting mechanism and are used for preventing tires from falling off.

Description

Technical Field

[0001] The utility model relates to the technical field of tire production, in particular to a tire gripper for a tire shaping and vulcanizing machine. Background Art

[0002] The tire grabber of the tire shaping and curing machine is used for the tire loading process of grabbing the green tire from the tire storage device into the curing chamber of the curing machine and the tire unloading process of grabbing the cured tire from the curing chamber of the curing machine.

[0003] The existing tire grabber, for example, the tire grabber of the tire vulcanizer tire mounting mechanism disclosed in the Chinese utility model patent application number CN201120250712.0, has a main structure comprising a tire grabber fixed plate fixed on a rotating arm, a tire grabber rotating plate coaxially installed with the tire grabber fixed plate, a tire grabber claw moving radially on the tire grabber fixed plate and placed in an arc groove evenly provided on the tire grabber rotating plate, an opening and closing device of the tire grabber claw is the rotating mechanism of the tire grabber rotating plate, and the rotating mechanism of the tire grabber rotating plate comprises a pair of main and driven gears coaxially rotated on the rotating arm, the driven gear meshes with a number of teeth locally provided on the tire grabber rotating plate, and the driving gear meshes with a rack driven by a cylinder piston rod; when in use, the cylinder is actuated, and through the movement of the rack, the driving gear, the driven gear, and the transmission of the tire grabber rotating plate, the tire grabber claw is pushed to open and close, thereby grabbing and placing the tire.

[0004] However, most of the existing tire grippers lack corresponding protective measures, and the claws may fail and cause the tire to fall, which is very dangerous. Moreover, during the tire gripping process, the claws continue to expand outward, which can easily cause the claws to crush the outer rubber layer of the tire. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a tire shaping and vulcanizing machine tire gripper which not only sets up protective measures to prevent the claw piece from failing and causing the tire to fall, but also prevents the claw piece from continuously expanding outward, causing the claw piece to crush the outer layer of the tire's raw rubber.

[0006] The utility model discloses a tire gripper for a tire shaping and vulcanizing machine, comprising a driving mechanism; a supporting mechanism, five groups of clamping mechanisms, five groups of traction mechanisms and five groups of protection mechanisms. The supporting mechanism is mounted on the driving mechanism and conveniently drives the tire to move; the five groups of clamping mechanisms are all mounted on the supporting mechanism and clamp the tire; the five groups of traction mechanisms are respectively mounted on the five groups of clamping mechanisms and drive the five groups of clamping mechanisms to move; the five groups of protection mechanisms are respectively mounted on the supporting mechanism and prevent the tire from falling off; the driving mechanism is started, and the driving mechanism drives the supporting mechanism to rotate and move to just above the tire; then the five groups of traction mechanisms drive the five groups of clamping mechanisms and the five groups of protection mechanisms to move, so that the five groups of clamping mechanisms clamp the inner wall of the tire, thereby clamping the tire; at the same time, the tire is wrapped by the five groups of protection mechanisms to prevent the tire from falling off due to a claw failure.

[0007] Preferably, the driving mechanism includes a vulcanizer frame, a servo motor, a reducer, a transmission shaft 1, a bevel gear 1, a rotating shaft and a bevel gear 2. The vulcanizer frame is installed on the vulcanizer, and a cavity is opened inside the vulcanizer frame. The servo motor is installed on the vulcanizer frame, the reducer is installed on the vulcanizer frame, the transmission shaft 1 is rotatably installed in the cavity of the vulcanizer frame and is longitudinally connected to the reducer, the bevel gear 1 is installed on the transmission shaft 1, the rotating shaft is rotatably installed on the vulcanizer frame, the bevel gear 2 is installed on the rotating shaft and meshes with the bevel gear 1 for transmission; start the servo motor, the servo motor drives the transmission shaft 1 to rotate through the reducer, the transmission shaft 1 drives the bevel gear 1 to rotate, the bevel gear 1 drives the bevel gear 2 to rotate, the bevel gear 2 drives the rotating shaft to rotate, the rotating shaft drives the support mechanism to move to just above the tire, and then the servo motor reverses to drive the support mechanism and the tire to move.

[0008] Preferably, the supporting mechanism includes a telescopic rod, a rib plate, a first fixed seat, a hydraulic cylinder 1, a hydraulic cylinder 2 and a disc. The telescopic rod is installed on the rotating shaft, the rib plate is installed on the rotating shaft and supports the telescopic rod, the first fixed seat is fixedly installed on the front end of the telescopic rod, one end of the hydraulic cylinder 1 is fixed to the rear end of the telescopic rod, and the other end is fixedly connected to the first fixed seat, the top of the hydraulic cylinder 2 is connected to the bottom end of the telescopic rod, and the top of the disc is connected to the bottom end of the hydraulic cylinder 2, and five groups of sliding grooves are provided on the disc; the hydraulic cylinder 1 pushes the first fixed seat forward, and the telescopic rod drives the front end of the telescopic rod to extend so that the disc is located directly above the tire, and then the hydraulic cylinder 2 pushes the disc down to facilitate the clamping mechanism to clamp the tire, and the stability of the telescopic rod during rotation is enhanced by setting the rib plate.

[0009] Preferably, the clamping mechanism includes a slider, a push rod, a claw piece and a spring 1. The slider is slidably installed in the sliding groove of the disc, the bottom end of the push rod is connected to the top end of the slider, the top end of the claw piece is connected to the bottom end of the slider, one end of the spring 1 is connected to the slider, and the other end of the slider is connected to the disc; the traction mechanism pulls the push rod and the claw piece outward to compress the spring 1. By debugging the traction mechanism, the claw piece can just clamp the tire to prevent the outward expansion force from being too large and crushing the outer layer of the raw rubber of the tire. When the tire is unloaded, the traction mechanism is reversed, and at the same time, the spring 1 rebounds to push the push rod toward the center of the disc.

[0010] Preferably, the traction mechanism includes a support platform, a motor, a second transmission shaft, a limit plate and two sets of traction ropes. The bottom end of the support platform is connected to the top of the disc, the bottom end of the motor is connected to the top of the support platform, the second transmission shaft is rotatably mounted on the support platform and is transmission-connected to the motor, the limit plate is mounted on the second transmission shaft, one end of the two sets of traction ropes are connected to the second transmission shaft, and the other ends of the two sets of traction ropes are respectively connected to the push rod and the claw piece; start the motor, the motor drives the second transmission shaft to rotate, the second transmission shaft reels and pulls the two sets of traction ropes, so that the push rod and the claw piece move toward the outside of the outer disc to clamp the tire, and then the motor stops working to prevent the outer layer of the tire from being crushed.

[0011] Preferably, the protective mechanism includes a second rotating shaft, a connecting plate, a second fixed seat, a second spring, a protective clamp and a second traction rope. The second rotating shaft is rotatably mounted on the disc, the connecting plate is mounted on the second rotating shaft, the bottom end of the second fixed seat is connected to the top end of the disc, one end of the second spring is fixedly mounted on the connecting plate, and the other end is fixedly mounted on the second fixed seat. The protective clamp is mounted on the second rotating shaft, one end of the second traction rope is fixedly mounted on the second traction rope, and the other end is connected to the second transmission shaft; the motor drives the second transmission shaft to rotate, the second transmission shaft reels and pulls the second traction rope, and the second traction rope pulls the protective clamp to wrap and protect the tire to prevent the tire from falling. When the tire needs to be unloaded, the motor drives the second transmission shaft to reverse, the second spring pulls the connecting plate to rotate the second rotating shaft, and the second rotating shaft drives the protective clamp to separate from the tire.

[0012] Preferably, five groups of clamping mechanisms, traction mechanisms and protection mechanisms are provided; by providing five groups of clamping mechanisms, traction mechanisms and protection mechanisms, the tire can be clamped and protected to the maximum extent, and when one or two groups fail, the tire can still be grasped normally.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the driving mechanism is started, the driving mechanism drives the supporting mechanism to rotate and move to just above the tire, and then the five groups of traction mechanisms drive the five groups of clamping mechanisms and the five groups of protective mechanisms to move, so that the five groups of clamping mechanisms clamp the inner wall of the tire, thereby clamping the tire, and at the same time, the tire is wrapped by the five groups of protective mechanisms to prevent the tire from falling due to claw failure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an axonometric structural diagram of the utility model;

[0015] Figure 2 This is a partially enlarged cross-sectional axonometric structural diagram of the drive mechanism of the utility model;

[0016] Figure 3 This is a schematic diagram of the axonometric structure of the support mechanism of the utility model;

[0017] Figure 4 It is a partially enlarged cross-sectional isometric structural diagram of the clamping mechanism, traction mechanism and protection mechanism of the utility model;

[0018] Figure 5 It is a partially enlarged sectional axonometric structural diagram of the clamping mechanism, traction mechanism and protection mechanism of the utility model.

[0019] Markings in the accompanying drawings: 01, driving mechanism; 11, vulcanizing machine frame; 12, servo motor; 13, reducer; 14, transmission shaft 1; 15, bevel gear 1; 16, rotating shaft; 17, bevel gear 2; 02, supporting mechanism; 21, telescopic rod; 22, rib; 23, first fixed seat; 24, hydraulic cylinder 1; 25, hydraulic cylinder 2; 26, disc; 03, clamping mechanism; 31, slider; 32, push rod; 33, claw; 34, spring 1; 04, traction mechanism; 41, support platform; 42, motor; 43, transmission shaft 2; 44, limit plate; 45, traction rope 1; 05, protective mechanism; 51, rotating shaft 2; 52, connecting plate; 53, second fixed seat; 54, spring 2; 55, protective clamp; 56, traction rope 2. DETAILED DESCRIPTION

[0020] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0021] Example 1

[0022] The utility model is a tire gripper for a tire shaping and vulcanizing machine, comprising a driving mechanism 01; a supporting mechanism 02, five groups of clamping mechanisms 03, five groups of traction mechanisms 04 and five groups of protection mechanisms 05, wherein the supporting mechanism 02 is mounted on the driving mechanism 01 and conveniently drives the tire to move, the five groups of clamping mechanisms 03 are all mounted on the supporting mechanism 02 and clamp the tire, the five groups of traction mechanisms 04 are respectively mounted on the five groups of clamping mechanisms 03 and drive the five groups of clamping mechanisms 03 to move, the five groups of protection mechanisms 05 are respectively mounted on the supporting mechanism 02 and prevent the tire from falling off; the driving mechanism 01 comprises a vulcanizing machine frame 11, a servo motor 12, a reducer 13, a transmission shaft 14, a cone Gear 15, rotating shaft 16 and bevel gear 2 17, vulcanizer frame 11 is installed on the vulcanizer, the interior of the vulcanizer frame 11 is opened with a cavity, the servo motor 12 is installed on the vulcanizer frame 11, the reducer 13 is installed on the vulcanizer frame 11, the transmission shaft 14 is rotatably installed in the cavity of the vulcanizer frame 11 and is longitudinally connected to the reducer 13, the bevel gear 15 is installed on the transmission shaft 14, the rotating shaft 16 is rotatably installed on the vulcanizer frame 11, the bevel gear 2 17 is installed on the rotating shaft 16 and meshes with the bevel gear 15 for transmission; the support mechanism 02 includes a telescopic rod 21, a rib plate 22, a first fixed seat 23, a hydraulic cylinder 1 24, a hydraulic cylinder 2 25 and The disc 26 and the telescopic rod 21 are mounted on the rotating shaft 16, the rib 22 is mounted on the rotating shaft 16 and supports the telescopic rod 21, the first fixed seat 23 is fixedly mounted on the front end of the telescopic rod 21, one end of the hydraulic cylinder 1 24 is fixed to the rear end of the telescopic rod 21, and the other end is fixedly connected to the first fixed seat 23, the top of the hydraulic cylinder 25 is connected to the bottom end of the telescopic rod 21, the top of the disc 26 is connected to the bottom end of the hydraulic cylinder 25, and five groups of sliding grooves are opened on the disc 26; the clamping mechanism 03 includes a slider 31, a push rod 32, a claw piece 33 and a spring 1 34, the slider 31 is slidably mounted in the sliding groove of the disc 26, the bottom end of the push rod 32 is connected to the top of the slider 31, and the claw piece 33 is connected to the spring 1. The top of the piece 33 is connected to the bottom end of the slider 31, one end of the spring 1 34 is connected to the slider 31, and the other end of the slider 31 is connected to the disc 26; the traction mechanism 04 includes a support platform 41, a motor 42, a second transmission shaft 43, a limit plate 44 and two sets of traction ropes 45, the bottom end of the support platform 41 is connected to the top of the disc 26, the bottom end of the motor 42 is connected to the top of the support platform 41, the second transmission shaft 43 is rotatably mounted on the support platform 41 and is transmission-connected to the motor 42, the limit plate 44 is mounted on the second transmission shaft 43, one end of the two sets of traction ropes 45 are connected to the second transmission shaft 43, and the other ends of the two sets of traction ropes 45 are respectively connected to the push rod 32 and the claw piece 33;When it is working, first start the servo motor 12, the servo motor 12 drives the transmission shaft 14 to rotate through the reducer 13, the transmission shaft 14 drives the bevel gear 15 to rotate, the bevel gear 15 drives the bevel gear 2 17 to rotate, the bevel gear 2 17 drives the rotating shaft 16 to rotate, the rotating shaft 16 drives the support mechanism 02 to move to the top of the tire, the hydraulic cylinder 1 24 pushes the first fixed seat 23 forward, the telescopic rod 21 drives the front end of the telescopic rod 21 to extend, so that the disc 26 is located just above the tire, and then the hydraulic cylinder 2 25 pushes the disc 26 down to facilitate the clamping mechanism 03 to clamp the tire, and the ribs 22 are provided to enhance the telescopic rod 21 during the rotation process. To ensure stability, motor 42 is started, which drives drive shaft 2 43 to rotate. Drive shaft 2 43 reels the two sets of traction ropes 45. Traction ropes 45 pull push rod 32 and claw 33 outward, compressing spring 1 34. By adjusting traction mechanism 04, claw 33 is precisely gripped to prevent excessive outward tension from crushing the outer rubber layer of the green tire. After gripping the tire, servo motor 12 reverses to drive support mechanism 02 and tire movement. Once in the designated position, motor 42 drives drive shaft 2 43 in reverse. Simultaneously, spring 1 34 rebounds, pushing push rod 32 toward the center of disk 26, facilitating tire removal.

[0023] Example 2

[0024] like Figures 1 to 5As shown, a tire shaping and vulcanizing machine tire gripper of the present invention is based on Example 1; the protective mechanism 05 includes a second rotating shaft 51, a connecting plate 52, a second fixed seat 53, a second spring 54, a protective clamp 55 and a second traction rope 56. The second rotating shaft 51 is rotatably mounted on the disc 26, the connecting plate 52 is mounted on the second rotating shaft 51, the bottom end of the second fixed seat 53 is connected to the top of the disc 26, one end of the second spring 54 is fixedly mounted on the connecting plate 52, and the other end is fixedly mounted on the second fixed seat 53, the protective clamp 55 is mounted on the second rotating shaft 51, one end of the traction rope 56 is fixedly mounted on the traction rope 56, and the other end is connected to the transmission shaft 43 connection; also includes a clamping mechanism 03, a traction mechanism 04 and a protective mechanism 05, each of which is provided with five groups; when it is working, first start the servo motor 12, the servo motor 12 drives the transmission shaft 14 to rotate through the reducer 13, the transmission shaft 14 drives the bevel gear 15 to rotate, the bevel gear 15 drives the bevel gear 2 17 to rotate, the bevel gear 2 17 drives the rotating shaft 16 to rotate, the rotating shaft 16 drives the support mechanism 02 to move to the top of the tire, the hydraulic cylinder 1 24 pushes the first fixed seat 23 forward, the telescopic rod 21 drives the front end of the telescopic rod 21 to extend, so that the disc 26 is located directly above the tire, and then the hydraulic cylinder 2 25 pushes the disc 26 down to facilitate the clamping mechanism 03 clamps the tire, and the stability of the telescopic rod 21 during the rotation process is enhanced by setting the ribs 22, and the motor 42 is started. The motor 42 drives the transmission shaft 2 43 to rotate, and the transmission shaft 2 43 reels the two sets of traction ropes 45. The traction ropes 45 pull the push rod 32 and the claw piece 33 to move outward, and the spring 1 34 is compressed. By debugging the traction mechanism 04, the claw piece 33 can just clamp the tire to prevent the outward expansion force from being too large and crushing the outer layer of the tire rubber. At the same time, the motor 42 drives the transmission shaft 2 43 to rotate, and the transmission shaft 2 43 reels and pulls the traction rope 2 56. The traction rope 2 56 pulls the protective clamp 55 to wrap the tire for protection, preventing the wheel from When the tire falls and is clamped, the servo motor 12 reverses to drive the support mechanism 02 and the tire to move. After moving to the specified position, the motor 42 drives the transmission shaft 2 43 to reverse. At the same time, the spring 1 34 rebounds and pushes the push rod 32 to move toward the center of the disc 26. The motor 42 drives the transmission shaft 2 43 to reverse. The spring 2 54 pulls the connecting plate 52 to rotate the rotating shaft 2 51. The rotating shaft 2 51 drives the protective clamp 55 to disengage from the tire, making it easier to remove the tire. By setting up five groups of clamping mechanisms 03, traction mechanisms 04 and protective mechanisms 05, the tire can be clamped and protected to the maximum extent. When one or two groups fail, the tire can still be grabbed normally.

[0025] The servo motor 12, reducer 13 and electric motor 42 of the present invention are purchased on the market, and technicians in this industry only need to install and operate them according to the accompanying instruction manuals without the need for creative work by technicians in this field.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A tire gripper for a tire shaping and vulcanizing machine, comprising a driving mechanism (01); characterized in that: The invention also comprises a supporting mechanism (02), five groups of clamping mechanisms (03), five groups of traction mechanisms (04) and five groups of protection mechanisms (05). The supporting mechanism (02) is mounted on the driving mechanism (01) and conveniently drives the tire to move. The five groups of clamping mechanisms (03) are all mounted on the supporting mechanism (02) and clamp the tire. The five groups of traction mechanisms (04) are respectively mounted on the five groups of clamping mechanisms (03) and drive the five groups of clamping mechanisms (03) to move. The five groups of protection mechanisms (05) are respectively mounted on the supporting mechanism (02) and prevent the tire from falling off.

2. A tire gripper for a tire shaping and vulcanizing machine according to claim 1, characterized in that: The driving mechanism (01) comprises a vulcanizer frame (11), a servo motor (12), a speed reducer (13), a transmission shaft (14), a bevel gear (15), a rotating shaft (16) and a bevel gear (17). The vulcanizer frame (11) is mounted on the vulcanizer, a cavity is provided inside the vulcanizer frame (11), the servo motor (12) is mounted on the vulcanizer frame (11), the speed reducer (13) is mounted on the vulcanizer frame (11), the transmission shaft (14) is rotatably mounted in the cavity of the vulcanizer frame (11) and is longitudinally connected to the speed reducer (13), the bevel gear (15) is mounted on the transmission shaft (14), the rotating shaft (16) is rotatably mounted on the vulcanizer frame (11), and the bevel gear (17) is mounted on the rotating shaft (16) and is meshed with the bevel gear (15) for transmission.

3. A tire gripper for a tire shaping and vulcanizing machine according to claim 2, characterized in that: The supporting mechanism (02) comprises a telescopic rod (21), a rib plate (22), a first fixed seat (23), a hydraulic cylinder 1 (24), a hydraulic cylinder 2 (25) and a disc (26). The telescopic rod (21) is mounted on a rotating shaft (16). The rib plate (22) is mounted on the rotating shaft (16) and supports the telescopic rod (21). The first fixed seat (23) is fixedly mounted on the front end of the telescopic rod (21). One end of the hydraulic cylinder 1 (24) is fixed to the rear end of the telescopic rod (21), and the other end is fixedly connected to the first fixed seat (23). The top end of the hydraulic cylinder 2 (25) is connected to the bottom end of the telescopic rod (21). The top end of the disc (26) is connected to the bottom end of the hydraulic cylinder 2 (25). Five sets of sliding grooves are opened on the disc (26).

4. A tire gripper for a tire shaping and vulcanizing machine according to claim 3, characterized in that: The clamping mechanism (03) includes a slider (31), a push rod (32), a claw piece (33) and a spring (34). The slider (31) is slidably installed in the sliding groove of the disc (26). The bottom end of the push rod (32) is connected to the top end of the slider (31), the top end of the claw piece (33) is connected to the bottom end of the slider (31), one end of the spring (34) is connected to the slider (31), and the other end of the slider (31) is connected to the disc (26).

5. A tire gripper for a tire shaping and vulcanizing machine according to claim 4, characterized in that: The traction mechanism (04) comprises a support platform (41), a motor (42), a second transmission shaft (43), a limiting plate (44) and two groups of traction ropes (45). The bottom end of the support platform (41) is connected to the top end of the disc (26), the bottom end of the motor (42) is connected to the top end of the support platform (41), the second transmission shaft (43) is rotatably mounted on the support platform (41) and is transmission-connected to the motor (42), the limiting plate (44) is mounted on the second transmission shaft (43), one end of the two groups of traction ropes (45) are both connected to the second transmission shaft (43), and the other ends of the two groups of traction ropes (45) are respectively connected to the push rod (32) and the claw piece (33).

6. A tire gripper for a tire shaping and vulcanizing machine according to claim 5, characterized in that: The protection mechanism (05) comprises a second rotating shaft (51), a connecting plate (52), a second fixed seat (53), a second spring (54), a protection clamp (55) and a second traction rope (56). The second rotating shaft (51) is rotatably mounted on the disc (26). The connecting plate (52) is mounted on the second rotating shaft (51). The bottom end of the second fixed seat (53) is connected to the top end of the disc (26). One end of the second spring (54) is fixedly mounted on the connecting plate (52) and the other end is fixedly mounted on the second fixed seat (53). The protection clamp (55) is mounted on the second rotating shaft (51). One end of the second traction rope (56) is fixedly mounted on the second traction rope (56) and the other end is connected to the second transmission shaft (43).

7. A tire gripper for a tire shaping and vulcanizing machine according to claim 6, characterized in that: The invention also includes five groups of clamping mechanisms (03), traction mechanisms (04) and protection mechanisms (05).

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