Rotary positioning device for tire blank

Abstract

The utility model provides a tire blank rotary positioning device which comprises a supporting frame, a fixing frame is arranged in the middle of the supporting frame, a first motor is fixedly installed on the top of the fixing frame, a driving shaft of the first motor is in driving connection with a mounting frame, and an angle positioning instrument and a plurality of mechanical claws are arranged at the bottom of the mounting frame. A driving device is arranged on the mounting frame and used for driving the mechanical claw to be opened and closed, a lifting device is arranged at the top of the supporting frame and used for driving the mechanical claw to ascend and descend, the angles of tire blanks entering the vulcanizing machine are consistent through the device, the uniformity of the tires is guaranteed, and the service life of the tires is prolonged. The radial force fluctuation and the first harmonic of the radial force fluctuation are optimized, meanwhile, the product quality is improved, the defective rate is greatly reduced, the production efficiency is greatly improved, and the production cost is saved.

Description

Technical Field

[0001] This utility model relates to the field of tire manufacturing technology, and in particular to a tire blank rotation positioning device. Background Technology

[0002] With the rapid increase in automobile production and sales, as well as labor costs, both domestically and internationally, the tire manufacturing industry is increasingly demanding automation, not only for production equipment but also for logistics and transportation.

[0003] Vulcanization, the final step in tire production, involves shaping and curing the tire carcass into a tire using a vulcanizing machine. In automated conveyor systems, the angle and center position of the tire carcass entering the vulcanizing machine are uncertain. Carcasses of the same specifications may enter at different angles, increasing radial force variability (RFV) and tire unevenness. This results in significant vibrations during vehicle operation, affecting driving comfort. Furthermore, it reduces product quality, significantly increasing the defect rate and requiring more manpower and resources for rework or scrapping defective products, thus reducing production efficiency and increasing production costs. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the above-mentioned technology and provide a tire blank rotation positioning device.

[0005] Therefore, this utility model provides a tire blank rotation positioning device, including a support frame, a fixed frame in the middle of the support frame, a motor fixedly mounted on the top of the fixed frame, the drive shaft of the motor being drivenly connected to the mounting frame, an angle positioning instrument and multiple mechanical claws at the bottom of the mounting frame, a drive device on the mounting frame for driving the mechanical claws to open and close, and a lifting device on the top of the support frame for driving the mechanical claws to rise and fall.

[0006] Preferably, the driving device includes a rotary cylinder, a slide rod, a slide groove, and a connecting rod assembly. The rotary cylinder is fixedly mounted on the mounting frame, and the connecting rod assembly is mounted on the output shaft of the rotary cylinder. The slide rod is rotatably mounted on the bottom of the connecting rod assembly, and the mechanical claw is fixedly connected to the bottom of the slide rod. The mounting frame has multiple slide grooves, and the slide rod is slidably connected to the corresponding slide groove.

[0007] Preferably, the plurality of the grooves are arranged in a ring array from the inside out around the output shaft.

[0008] Preferably, the connecting rod component includes connecting rod one and connecting rod two. Multiple connecting rod one are fixedly connected to the output shaft through a fixed plate. The bottom of each connecting rod one is rotatably mounted with the connecting rod two, and the bottom of the other end of the connecting rod two is rotatably mounted with the slide rod.

[0009] Preferably, the lifting device includes a second motor, a transmission sprocket, a guide sprocket, and a chain. The second motor is fixedly mounted on the support frame, and the transmission sprocket is mounted on the drive shaft of the second motor. One end of the chain is fixedly connected to the transmission sprocket, and the other end is fixedly connected to both ends of the fixed frame through the guide sprocket on the support frame.

[0010] Preferably, the transmission sprocket includes sprocket one and sprocket two, which are coaxially mounted on the drive shaft of motor two. The chain includes chain one and chain two, with one end of chain one fixedly mounted on and meshing with sprocket one, and one end of chain two fixedly mounted on and meshing with sprocket two. The other ends of chain one and chain two are respectively fixedly connected to the two ends of the fixed frame, and the rotation directions of chain one and chain two are opposite.

[0011] Preferably, the guide sprockets are rotatably mounted at both ends of the top of the support frame.

[0012] Preferably, a conveyor belt is provided below the mechanical claw.

[0013] The beneficial effects of this utility model are as follows: This utility model provides a tire blank rotation positioning device, which has the following beneficial effects.

[0014] When the tire blank is conveyed to the mechanical gripper by the conveyor belt, motor 1 drives the mounting frame to rotate, causing the angle positioning device at the bottom of the mounting frame to locate and scan the position of the tire blank barcode. The scanning result is uploaded to WCS to calculate the rotation angle. Then, the mechanical gripper descends under the action of the lifting device and inserts into the tire bead of the tire blank. Under the action of the drive device, it opens outward to clamp the tire blank. Motor 1 drives the tire blank to rotate according to the calculated angle, so that the tire blanks entering the vulcanizing machine have a consistent angle, ensuring the uniformity of the tire, optimizing radial force ripple (RFV) and radial force ripple first harmonic (RFV1H), improving product quality, significantly reducing the defect rate, greatly improving production efficiency, and saving production costs.

[0015] A rotary cylinder drives connecting rod one to rotate, which in turn drives connecting rod two to rotate. Connecting rod two then drives the mechanical claw to open or close along the slide, thus achieving synchronous driving of multiple mechanical claws. The operation is simple and highly practical.

[0016] Chain 1 and chain 2 rotate in opposite directions. When sprocket 1 and sprocket 2 rotate synchronously in the same direction, it can ensure that both ends of the fixed frame rise or fall synchronously, thus meeting the needs of the mechanical claw lifting. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the tire blank rotation positioning device in this embodiment;

[0018] Figure 2 yes Figure 1 A magnified view of part A in the middle;

[0019] Figure 3 This is a schematic diagram of the transmission sprocket and chain in this embodiment;

[0020] Figure 4 This is a structural schematic diagram of the connecting rod component in this embodiment.

[0021] The markings in the diagram are: 1. Support frame; 2. Fixing frame; 3. Motor 1; 4. Mounting frame; 41. Upper mounting plate; 42. Lower mounting plate; 43. Support column; 5. Angle positioning instrument; 6. Mechanical claw; 7. Rotary cylinder; 8. Slide rod; 9. Slide groove; 10. Connecting rod assembly; 101. Connecting rod 1; 102. Connecting rod 2; 11. Output shaft; 12. Fixing disc; 13. Motor 2; 14. Transmission sprocket; 141. Sprocket 1; 142. Sprocket 2; 15. Guide sprocket; 16. Chain; 161. Chain 1; 162. Chain 2; 17. Conveyor belt. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and specific embodiments to aid in understanding its content. Unless otherwise specified, the methods used in this invention are conventional methods; the raw materials and apparatus used, unless otherwise specified, are conventional commercially available products.

[0023] Example:

[0024] like Figures 1-4As shown, this utility model provides a tire blank rotation positioning device, including a support frame 1, a fixed frame 2 in the middle of the support frame 1, a motor 3 fixedly mounted on the top of the fixed frame 2, the motor 3 being a rotary servo motor capable of precisely controlling the rotation angle, the drive shaft of the motor 3 being drivenly connected to a mounting frame 4, the mounting frame 4 including an upper mounting plate 41, a lower mounting plate 42 and a support column 43, the upper mounting plate 41 and the lower mounting plate 42 being fixedly connected by the support column 43, an angle positioning device 5 fixedly mounted on the bottom of the lower mounting plate 42, multiple mechanical claws 6 being provided on the bottom of the lower mounting plate 42, a driving device being provided on the lower mounting plate 42, the driving device being used to drive the mechanical claws 6 to open and close, and a lifting device being provided on the top of the support frame 1, the lifting device being used to drive the mechanical claws 6 to rise and fall.

[0025] Furthermore, the driving device includes a rotary cylinder 7, a slide rod 8, a slide groove 9, and a connecting rod assembly 10. The rotary cylinder 7 is fixedly mounted on the lower mounting plate 42. The connecting rod assembly 10 is mounted on the output shaft 11 of the rotary cylinder 7. The slide rod 8 is rotatably mounted on the bottom of the connecting rod assembly 10. The bottom of the slide rod 8 passes through the slide groove 9 and is fixedly connected to the mechanical claw 6. The mounting frame 4 has multiple slide grooves 9, and the slide rod 8 is slidably connected to the corresponding slide groove 9.

[0026] Furthermore, the plurality of the slide grooves 9 are arranged in a circular array around the output shaft 11 from the inside out. The slide grooves 9 are arranged at an angle from the inside out, which facilitates the movement of the mechanical claw 6 from the inside out along the slide grooves 9 under the drive of the slide rod 8, thus opening the mechanical claw 6.

[0027] Furthermore, the connecting rod component 10 includes a first connecting rod 101 and a second connecting rod 102. Multiple first connecting rods 101 are fixedly connected to the output shaft 11 via a fixed plate 12. The second connecting rod 102 is rotatably mounted on the bottom of each first connecting rod 101, and the slide rod 8 is rotatably mounted on the bottom of the other end of the second connecting rod 102.

[0028] In this embodiment, there are four mechanical claws 6, slide bars 8, slide grooves 9, connecting rod one 101 and connecting rod two 102, which are arranged in a ring array around the output shaft 11.

[0029] Furthermore, the lifting device includes a second motor 13, a transmission sprocket 14, a guide sprocket 15, and a chain 16. The second motor 13 is fixedly mounted on the support frame 1, and the transmission sprocket 14 is fixedly mounted on the drive shaft of the second motor 13. One end of the chain 16 is fixedly connected to the transmission sprocket 14, and the other end is fixedly connected to both ends of the fixed frame 2 through the guide sprocket 15 on the support frame 1.

[0030] Furthermore, the transmission sprocket 14 includes a first sprocket 141 and a second sprocket 142, which are coaxially mounted on the drive shaft of the second motor 13. The chain 16 includes a first chain 161 and a second chain 162. One end of the first chain 161 is fixedly mounted on and meshes with the first sprocket 141, and one end of the second chain 162 is fixedly mounted on and meshes with the second sprocket 142. The other ends of the first chain 161 and the second chain 162 are respectively fixedly connected to the two ends of the fixed frame 2. The rotation directions of the first chain 161 and the second chain 162 are opposite.

[0031] Specifically, chain 161 is wound clockwise around sprocket 141, and chain 2 162 is wound counterclockwise around sprocket 2 142.

[0032] When the drive shaft of motor 213 drives sprocket 141 and sprocket 2142 on it to rotate synchronously in the same direction, sprocket 141 drives chain 161 to rotate clockwise, and sprocket 2142 drives chain 2162 to rotate counterclockwise, pulling the fixed frame 2 upward.

[0033] Furthermore, the guide sprockets 15 are rotatably mounted at both ends of the top of the support frame 1, so that chain one 161 and chain two 162 are guided by the corresponding guide sprockets 15, thereby improving transmission efficiency and stability.

[0034] Furthermore, a conveyor belt 17 is provided below the mechanical claw 6.

[0035] The working principle is as follows:

[0036] When the tire blank is conveyed to the area below the robotic gripper 6 via conveyor belt 17, motor 3 on the fixed frame 2 drives the mounting frame 4 to rotate, causing the angle positioning device 5 at the bottom of the lower mounting plate 42 to locate and scan the tire blank's barcode. The scan result is then uploaded to the WCS (Wastewater Control System). The WCS queries relevant information from the MES (Manufacturing Execution System) to calculate and issue the required rotation angle for the tire blank. This activates motor 13, which drives the transmission sprocket 14 to rotate. The rotation of the transmission sprocket 14 then drives the chain 16 to mesh and rotate, causing the fixed frame 2 to move downwards, allowing the robotic gripper 6 to insert into the tire bead of the tire blank. The rotary cylinder 7 is started, which drives the connecting rod 101 to rotate. The connecting rod 101 then drives the sliding rod 8 on the connecting rod 102 to move outward along the sliding groove 9, thereby opening up and gripping the tire blank. The motor 13 is started again, which drives the gripped tire blank to rise. Then the motor 3 is started, and the motor 3 drives the tire blank to rotate according to the angle command. After the tire blank rotates, it falls to the conveyor belt 17 under the action of the motor 13. The rotary cylinder 7 drives the mechanical claw 6 to close, and the motor 13 drives the mechanical claw 6 to rise. The next round of operation is repeated, and finally the angle of the tire blanks entering the vulcanizing machine is consistent.

[0037] In the description of this utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inner", "outer", "back", "middle", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model 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 utility model.

[0038] However, the above description is only a specific embodiment of this utility model and should not be construed as limiting the scope of implementation of this utility model. Therefore, any substitution of equivalent components or equivalent changes and modifications made in accordance with the scope of protection of this utility model should still fall within the scope of the claims of this utility model.

Claims

1. A tire blank rotation positioning device, characterized in that, The system includes a support frame (1), a fixed frame (2) in the middle of the support frame (1), a motor (3) fixedly installed on the top of the fixed frame (2), the drive shaft of the motor (3) being driven to the mounting frame (4), an angle positioning device (5) and multiple mechanical claws (6) being provided at the bottom of the mounting frame (4), a drive device being provided on the mounting frame (4), the drive device being used to drive the mechanical claws (6) to open and close, and a lifting device being provided on the top of the support frame (1), the lifting device being used to drive the mechanical claws (6) to rise and fall.

2. The tire blank rotation positioning device according to claim 1, characterized in that, The driving device includes a rotary cylinder (7), a slide rod (8), a slide groove (9), and a connecting rod assembly (10). The rotary cylinder (7) is fixedly mounted on the mounting frame (4). The connecting rod assembly (10) is mounted on the output shaft (11) of the rotary cylinder (7). The slide rod (8) is rotatably mounted on the bottom of the connecting rod assembly (10). The mechanical claw (6) is fixedly connected to the bottom of the slide rod (8). Multiple slide grooves (9) are provided on the mounting frame (4). The slide rod (8) is slidably connected to the corresponding slide groove (9).

3. The tire blank rotation positioning device according to claim 2, characterized in that, Multiple grooves (9) are arranged in a ring array from the inside out around the output shaft (11).

4. The tire blank rotation positioning device according to claim 2, characterized in that, The connecting rod component (10) includes connecting rod one (101) and connecting rod two (102). Multiple connecting rods one (101) are fixedly connected to the output shaft (11) through a fixed plate (12). The connecting rod two (102) is rotatably mounted on the bottom of each connecting rod one (101), and the slide rod (8) is rotatably mounted on the bottom of the other end of the connecting rod two (102).

5. The tire blank rotation positioning device according to claim 1, characterized in that, The lifting device includes a second motor (13), a transmission sprocket (14), a guide sprocket (15), and a chain (16). The second motor (13) is fixedly installed on the support frame (1). The transmission sprocket (14) is installed on the drive shaft of the second motor (13). One end of the chain (16) is fixedly connected to the transmission sprocket (14), and the other end is fixedly connected to both ends of the fixed frame (2) through the guide sprocket (15) on the support frame (1).

6. A tire blank rotation positioning device according to claim 5, characterized in that, The transmission sprocket (14) includes sprocket one (141) and sprocket two (142). Sprocket one (141) and sprocket two (142) are coaxially mounted on the drive shaft of motor two (13). The chain (16) includes chain one (161) and chain two (162). One end of chain one (161) is fixedly mounted on sprocket one (141) and meshes with it. One end of chain two (162) is fixedly mounted on sprocket two (142) and meshes with it. The other ends of chain one (161) and chain two (162) are respectively fixedly connected to the two ends of the fixed frame (2). The rotation directions of chain one (161) and chain two (162) are opposite.

7. A tire blank rotation positioning device according to claim 5, characterized in that, The guide sprockets (15) are respectively rotatably installed at the top two ends of the support frame (1).

8. The tire blank rotation positioning device according to claim 1, characterized in that, A conveyor belt (17) is provided below the mechanical claw (6).

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