A tire cutting line and cutting method

Abstract

This invention relates to a tire cutting line and cutting method. According to the cutting process, the following components are sequentially arranged: a tire tensioning fixture, a first gripping robot, a tread cutting device, a second gripping robot, a sidewall cutting device, a third gripping robot, and a tire clamp unlocking fixture. It also includes a tire clamp that mates with the tire. A high-pressure water gun is used to cut the tire. The cutting process is simple and easy to operate, greatly improving cutting efficiency and providing good pulverization results, thus facilitating subsequent processing steps.

Description

Technical Field

[0001] This invention relates to the field of machinery, specifically to a tire cutting line and cutting method. Background Technology

[0002] Waste tires cause significant environmental pollution. To facilitate their recycling, they typically need to be cut first. Currently, most traditional tire cutting equipment uses mechanical blades, which is a cumbersome and inefficient process with unsatisfactory results, often resulting in incomplete cuts that complicate subsequent processing steps. Summary of the Invention

[0003] The purpose of this invention is to provide a tire cutting line and a cutting method to solve the problems mentioned in the background art. To achieve the above objective, this invention provides the following technical solution:

[0004] A tire cutting line, according to the cutting process, is sequentially provided with a tire tensioning fixture, a first gripping robot, a tread cutting device, a second gripping robot, a sidewall cutting device, a third gripping robot and a tire clamp unlocking fixture, and also includes a tire clamp that cooperates with the tire.

[0005] The first gripping robot, the second gripping robot and the third gripping robot all include a base and a robotic gripper mounted on the base for gripping tire clamps;

[0006] The tread cutting equipment includes a tread cutting equipment base, a first housing is movably installed at one end of the tread cutting equipment base, the first housing is driven by a first servo motor, a first tensioning rotating clamp is horizontally arranged on the upper part of the first housing, the outer end of the first tensioning rotating clamp cooperates with the inner side of the tire clamp, a tread cutting equipment support frame is arranged at the other end of the tread cutting equipment base, and a number of high-pressure water guns for cutting tire treads are arranged on the tread cutting equipment support frame;

[0007] The sidewall cutting device includes a sidewall cutting device base, a second housing is movably installed on one side of the sidewall cutting device base, the second housing is driven by a second servo motor, a second tensioning rotating clamp is horizontally arranged on the upper part of the second housing, the outer end of the second tensioning rotating clamp cooperates with the inner side of the tire clamp, a sidewall cutting device support frame is arranged at the other end of the sidewall cutting device base, and a number of high-pressure water guns for cutting the tire sidewall are arranged on the sidewall cutting device support frame;

[0008] The tire tensioning fixture is used to tension and connect the tire clamp and the tire together so that the robot gripper can grip the tire. The first tensioning rotary clamp and the second tensioning rotary clamp grip the tire by gripping the tire clamp.

[0009] The tire clamp unlocking fixture is used to separate the tire clamp from the tire.

[0010] Preferably, the tire clamp includes a central block, a hollow shaft is provided at one end of the central block, and a plurality of connecting rods are provided at intervals along the circumference of the hollow shaft at the middle of the outer side of the hollow shaft. One end of the connecting rod is hinged to the hollow shaft, and the other end is hinged to a connector. The connector is connected to a tire fixture module that mates with the inner side of the tire. A guide plate is provided on the outer side of the connecting rod. The guide plate consists of two hollow discs that are arranged opposite to each other and connected together. A plurality of guide channels are provided at intervals between the two hollow discs. The connector restricts movement within the guide channels.

[0011] A locking mechanism for locking the hollow shaft is provided on the guide plate. The locking mechanism includes locking teeth provided on the hollow shaft. A locking block that cooperates with the locking teeth is provided on the guide plate. The inner end of the locking block can mesh with the locking teeth. The outer end of the locking block is connected to the locking block fixing part provided on the edge of the guide plate by a spring. The locking block is connected to a hydraulic or pneumatic drive mechanism.

[0012] The connector includes a connecting part connected to the connecting rod and a supporting part for fixing the tire module, the tire module cooperating with the inner structure of the tire;

[0013] The inner end of the connecting rod is hinged to a connecting block, and the connecting block is fixedly connected to the hollow shaft.

[0014] Preferably, both the tire tensioning fixture and the tire clamp unlocking fixture include a base and an inner expansion shaft that can cooperate with the hollow shaft. The inner expansion shaft is connected to the main shaft of the drive device mounted on the base. A positioning ring is provided at the other end of the inner expansion shaft. The positioning ring is connected to the main shaft of the drive device and is used for positioning in the circumferential direction. The positioning ring is a positioning gear that meshes with the main shaft gear on the main shaft.

[0015] Preferably, the grippers of the first, second, and third gripping robots include robotic arms, with gripper bases installed at the ends of the robotic arms, and claws that cooperate with the central block on the gripper bases.

[0016] Preferably, both the tread cutting equipment support frame and the sidewall cutting equipment support frame are circular brackets.

[0017] Preferably, the control valves of both the tread high-pressure water gun and the sidewall high-pressure water gun are connected to the control equipment.

[0018] A tire cutting method, comprising the steps of:

[0019] (1) Install the tire clamp on the clamping plate of the tire tensioning device, put the tire on the outside of the tire clamp, start the tire tensioning device, and the tire clamp will be tightened on the inside of the tire, so that the tire clamp and the tire are in contact.

[0020] (2) The first gripping robot picks up the tire and transfers it to the tire tread cutting device through the tire clamp. The first tensioning rotating clamp of the tire tread cutting device tensions the tire clamp. The first servo motor drives the first housing to move the tire to a suitable position. The high-pressure water gun cuts the tire tread.

[0021] (3) The second gripping robot uses a tire clamp to pick up the tire and transfer it to the tire sidewall cutting device. The second tensioning rotating clamp of the tire sidewall cutting device tensions the tire clamp. The second servo motor drives the second housing to move the tire to a suitable position. The tire sidewall high-pressure water gun cuts the tire tread.

[0022] (4) The third gripping robot uses the tire clamp to pick up the tire and transfer it to the tire clamp unlocking fixture. The tire clamp unlocking fixture separates the cut tire from the tire clamp.

[0023] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0024] High-pressure water guns are used to cut tires. The cutting process is simple and easy to operate, which greatly improves the cutting efficiency and provides good cutting and crushing effect, making it convenient for subsequent processing steps. Attached Figure Description

[0025] Figure 1 This is a top view of the overall structure of the present invention;

[0026] Figure 2 This is a schematic diagram of the first grasping robot structure;

[0027] Figure 3 This is a schematic diagram of a tire tread cutting device.

[0028] Figure 4 This is a schematic diagram of the tire sidewall cutting equipment.

[0029] Figure 5 This is a schematic diagram of a tire clamp structure;

[0030] Figure 6 A schematic diagram of the tire clamp unlocking structure;

[0031] Figure 7 This is a schematic diagram of the cross-sectional structure of a tire clamp.

[0032] Figure 8 This is a schematic diagram of a tire tensioning fixture structure.

[0033] In the diagram: 1. Tire tensioning fixture; 2. First gripping robot; 3. Tread cutting equipment; 4. Second gripping robot; 5. Sidewall cutting equipment; 6. Third gripping robot; 7. Tire clamp unlocking fixture; 8. Tire clamp; 9. Tire; 10. First housing; 11. First servo motor; 12. First tensioning rotary clamp; 13. Tread cutting equipment support frame; 14. Tread high-pressure water gun; 15. Second housing; 16. Second servo motor; 17. Second tensioning rotary clamp; 18. 19. Sidewall cutting equipment support frame; 801. Sidewall high-pressure water gun; 802. Center block; 803. Hollow shaft; 804. Connecting rod; 805. Tire module; 806. Guide plate; 807. Hollow disc; 808. Guide channel; 809. Locking tooth; 8010. Locking block; 8011. Spring; 8012. Fixing part; 8013. Connecting block; 8014. Connecting piece; 102. Inner expansion shaft; 103. Positioning ring; 20. Robotic arm; 21. Gripper base; 22. Claw hand. Detailed Implementation

[0034] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0035] Please see Figures 1 to 8 ,

[0036] A tire cutting line, according to the cutting process, is provided with a tire tensioning fixture 1, a first gripping robot 2, a tread cutting device 3, a second gripping robot 4, a sidewall cutting device 5, a third gripping robot 6 and a tire clamp unlocking fixture 7, and also includes a tire clamp 8 that cooperates with the tire 9.

[0037] The first gripping robot 2, the second gripping robot 4 and the third gripping robot 6 all include a base and a robotic gripper mounted on the base for gripping the tire clamp 8;

[0038] The tread cutting device 3 includes a tread cutting device base. A first housing 10 is movably installed at one end of the tread cutting device base. The first housing 10 is driven by a first servo motor 11. A first tensioning rotating clamp 12 is horizontally arranged on the upper part of the first housing 10. The outer end of the first tensioning rotating clamp 12 cooperates with the inner side of the tire clamp 8. A tread cutting device support frame 13 is arranged at the other end of the tread cutting device base. A plurality of high-pressure water guns 14 for cutting tire treads are arranged on the tread cutting device support frame 13.

[0039] The sidewall cutting device 5 includes a sidewall cutting device base. A second housing 15 is movably installed on one side of the sidewall cutting device base. The second housing 15 is driven by a second servo motor 16. A second tensioning rotating clamp 17 is horizontally arranged on the upper part of the second housing 15. The outer end of the second tensioning rotating clamp 17 cooperates with the inner side of the tire clamp 8. A sidewall cutting device support frame 18 is arranged at the other end of the sidewall cutting device base. Several high-pressure water guns 19 for cutting the tire sidewall are arranged on the sidewall cutting device support frame 18.

[0040] The tire tensioning fixture 1 is used to tension and connect the tire clamp 8 and the tire 9 together so that the robot gripper can grip the tire. The first tensioning rotary clamp and the second tensioning rotary clamp grip the tire by gripping the tire clamp 8.

[0041] The tire clamp unlocking fixture 7 is used to separate the tire clamp 8 and the tire 9.

[0042] The tire clamp includes a central block 801. A hollow shaft 803 is provided at one end of the central block 801. A plurality of connecting rods 804 are arranged at intervals along the circumference of the hollow shaft 803 on the outer middle part of the hollow shaft 803. One end of the connecting rod 804 is hinged to the hollow shaft 803, and the other end is hinged to a connector 8014. The connector 8014 is connected to the tire module 805 that mates with the inner side of the tire 9. A guide plate 806 is provided on the outer side of the connecting rod 804. The guide plate 806 consists of two hollow discs 807 that are arranged opposite each other and connected together. A plurality of guide channels 808 are arranged at intervals between the two hollow discs 807. The connector 8014 restricts movement within the guide channels 808.

[0043] The rotation of the main shaft of the drive device can drive the inner expansion shaft 102 to rotate, which in turn drives the hollow shaft 803 to rotate. The rotation of the hollow shaft 803 can drive the connecting rod 804 mounted on it to move. Since one end of the connecting rod 804 is hinged to the hollow shaft 803, and the connecting member 8014 itself is in the guide channel 808 of the guide plate 806, its range of motion in the circumferential direction is restricted. Therefore, when the inner end of the connecting rod 804 rotates, the outer end of the connecting member 8014 naturally extends outward, and the tire module 805 mounted on the outer end of the connecting member 804 also extends outward and is located inside the tire 9. It is tightened from the inside of the tire 9, and the tire 9 and the tire module 805 are in close contact.

[0044] A locking mechanism for locking the hollow shaft 803 is provided on the guide disk 806. The locking mechanism includes locking teeth 809 provided on the hollow shaft 803. A locking block 8010 that cooperates with the locking teeth 809 is provided on the guide disk 806. The inner end of the locking block 8010 can mesh with the locking teeth 809. The outer end of the locking block 8010 is connected to the locking block fixing part 8012 provided on the edge of the guide disk 806 through a spring 8011. The locking block 8010 is connected to a hydraulic or pneumatic drive mechanism.

[0045] The locking mechanism maintains the current state and prevents the tire 9 from slipping during the gripping process between the tire clamp 8 and the tire 9. In this embodiment, the locking mechanism is driven by a pneumatic drive mechanism. The locking block 8010 of the locking mechanism is driven by a drive cylinder mounted on the guide plate 806. When the locking block 8010 engages with the locking teeth 809, it restricts the rotation of the hollow shaft 803, thus achieving locking. When the drive cylinder retracts, the locking block 8010 retracts under the action of the spring, no longer engaging with the locking teeth 809, and no longer restricting the rotation of the hollow shaft 803. At this point, the locking is no longer in effect.

[0046] In this embodiment, the connector 8014 includes a connecting part connected to the connecting rod 804 and a supporting part for fixing the tire module. The tire module 805 cooperates with the inner structure of the tire 9.

[0047] In this embodiment, a positioning ring 103 is provided at the other end of the inner expansion shaft 102. The positioning ring 103 is connected to the main shaft of the driving device and is used for positioning in the circumferential direction.

[0048] In this embodiment, the positioning ring 103 is a positioning gear that meshes with the main shaft gear on the main shaft.

[0049] When clamping tires of different sizes, the inner diameter of the tires varies. Adjusting the angle through which the positioning ring 103 rotates relative to the main shaft gear allows for a longer outward extension of the connecting rod when the tire size is increased. This ensures that the tire clamping module 805 is always in contact with the inner side of the tire 9, achieving stable clamping of tires of different sizes.

[0050] Both the tire tensioning fixture and the tire clamp unlocking fixture include a base and an inner expansion shaft 102 that can cooperate with the hollow shaft 803. The inner expansion shaft 102 is connected to the main shaft of the drive device mounted on the base. A positioning ring 103 is provided at the other end of the inner expansion shaft 102. The positioning ring 103 is connected to the main shaft of the drive device and is used for positioning in the circumferential direction. The positioning ring is a positioning gear that meshes with the main shaft gear on the main shaft.

[0051] The grippers of the first gripping robot 2, the second gripping robot 4 and the third gripping robot 6 include a mechanical arm 20, a gripper base 21 is installed at the end of the mechanical arm 20, and a claw 22 that cooperates with the central block 101 is provided on the gripper base 21.

[0052] Both the tread cutting equipment support frame 13 and the sidewall cutting equipment support frame 18 are circular brackets.

[0053] The control valves of the tread high-pressure water gun 14 and the sidewall high-pressure water gun 19 are both connected to a control device. The cutting direction and cutting force of the tread high-pressure water gun 14 and the sidewall high-pressure water gun 19 can be adjusted through the control device.

[0054] A tire cutting method, comprising the steps of:

[0055] (1) Place a tire clamp on the outside of the inner expansion shaft 102 of the tire tensioning fixture 1, place a tire 9 on the outside of the tire clamp 8, start the tire tensioning fixture 1, the drive device of the tire tensioning fixture 1 drives the inner expansion shaft 102 to rotate, the inner expansion shaft 102 drives the hollow shaft 803 to rotate, thereby causing the connecting rod 804 to be pushed outward, the tire module 805 to be pressed against the inside of the tire 9, and the tire 9 to be tensioned, so that the tire 9 can be gripped, the tire clamp 8 is tensioned on the inside of the tire 9, so that the tire clamp 8 and the tire 9 are pressed together;

[0056] (2) The first gripping robot 2 grips the tire 9 through the tire clamp 8 and transfers it to the tire tread cutting device 3. The first tensioning rotating clamp 12 of the tire tread cutting device 3 tensions the tire clamp 8. The first servo motor 11 drives the first housing 10 to move the tire 9 to a suitable position. The tire tread high-pressure water gun 14 cuts the tire tread. After cutting, the first housing 10 performs self-cleaning. After cleaning, the first housing 10 retracts.

[0057] (3) The second gripping robot 4 uses the tire clamp 8 to grip the tire and transfer it to the tire sidewall cutting device 5. The second tensioning rotating clamp 17 of the tire sidewall cutting device 5 tensions the tire clamp 8. The second servo motor 16 drives the second housing 15 to move the tire 9 to a suitable position. The tire sidewall high-pressure water gun 19 cuts the tire tread. The second housing 15 is self-cleaned after cutting. After cleaning, the second housing 15 retracts.

[0058] (4) The third gripping robot 6 uses the tire clamp 8 to grip the tire 9 and transfer it to the tire clamp unlocking fixture 7. The fixture unlocking fixture is activated, and the drive device of the tire clamp unlocking fixture 7 drives the inner expansion shaft 102 to rotate. The inner expansion shaft 102 drives the hollow shaft 803 to rotate, thereby causing the connecting rod 804 to retract inward, and the tire module 805 to disengage from the inside of the tire 9. The entire cutting process is completed.

[0059] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tire cutting line, characterized in that: According to the cutting process, the following components are arranged in sequence: a tire tensioning fixture, a first gripping robot, a tread cutting device, a second gripping robot, a sidewall cutting device, a third gripping robot, and a tire clamp unlocking fixture. The tire clamp also includes a tire clamp that cooperates with the tire. The first gripping robot, the second gripping robot, and the third gripping robot all include a base and a robot gripper set on the base for gripping the tire clamp. The tread cutting device includes a tread cutting device base, a first housing movably mounted at one end of the tread cutting device base, the first housing being driven by a first servo motor, a first tensioning rotating clamp horizontally arranged on the upper part of the first housing, the outer end of the first tensioning rotating clamp cooperating with the inner side of the tire clamp, a tread cutting device support frame arranged at the other end of the tread cutting device base, and a plurality of high-pressure water guns for cutting tire treads arranged on the tread cutting device support frame; the sidewall cutting device includes a sidewall cutting device base, a second housing movably mounted on one side of the sidewall cutting device base, the second housing being driven by a second servo motor, a second tensioning rotating clamp horizontally arranged on the upper part of the second housing, the outer end of the second tensioning rotating clamp cooperating with the inner side of the tire clamp, a sidewall cutting device support frame arranged at the other end of the sidewall cutting device base, and a plurality of high-pressure water guns for cutting tire sidewalls arranged on the sidewall cutting device support frame; The tire tensioning fixture is used to tension and connect the tire clamp and the tire together for the robot gripper. The first and second tensioning rotary clamps grip the tire by holding it in place. The tire clamp unlocking fixture is used to separate the tire clamp and the tire. The tire clamp includes a central block with a hollow shaft at one end. Several connecting rods are spaced apart along the circumference of the hollow shaft on its outer side. One end of each connecting rod is hinged to the hollow shaft, and the other end is hinged to a connector. The connector is connected to a tire clamp module that mates with the inner side of the tire. A guide plate is provided on the outer side of the connecting rod. The guide plate consists of two hollow discs connected together and positioned opposite each other. Several guide channels are spaced between the two hollow discs. The connecting piece restricts movement within the guide channel; a locking mechanism for locking the hollow shaft is provided on the guide plate, the locking mechanism including locking teeth on the hollow shaft, and a locking block on the guide plate that cooperates with the locking teeth. The inner end of the locking block engages with the locking teeth, and the outer end of the locking block is connected to a locking block fixing part on the edge of the guide plate via a spring. The locking block is connected to a hydraulic or pneumatic drive mechanism; the connecting piece includes a connecting part connected to a connecting rod and a supporting part for fixing the tire module. The tire module cooperates with the inner structure of the tire; the inner end of the connecting rod is hinged to a connecting block, and the connecting block is fixedly connected to the hollow shaft. Both the tire tensioning fixture and the tire clamp unlocking fixture include a base and an inner tensioning shaft that cooperates with the hollow shaft.

2. The tire cutting line according to claim 1, characterized in that: The inner expansion shaft is connected to the main shaft of the drive device mounted on the base. A positioning ring is provided at the other end of the inner expansion shaft. The positioning ring is connected to the main shaft of the drive device and is used for positioning in the circumferential direction. The positioning ring is a positioning gear that meshes with the main shaft gear on the main shaft.

3. The tire cutting line according to claim 1, characterized in that: The grippers of the first, second, and third gripping robots include robotic arms, with gripper bases installed at the ends of the robotic arms, and claws that cooperate with the central block on the gripper bases.

4. A tire cutting line according to claim 1, characterized in that: Both the tread cutting equipment support frame and the sidewall cutting equipment support frame are circular brackets.

5. A tire cutting line according to claim 1, characterized in that: The control valves of the tread high-pressure water gun and the sidewall high-pressure water gun are both connected to the control equipment.

6. A method for cutting tire cutting lines as described in any one of claims 1-5, characterized in that: The steps include: (1) Installing a tire clamp on the clamping plate of the tire tensioning fixture, placing the tire on the outside of the tire clamp, starting the tire tensioning fixture, and tightening the tire clamp on the inside of the tire so that the tire clamp and the tire come into contact; (2) The first gripping robot uses the tire clamp to pick up the tire and transfer it to the tread cutting device. The first tensioning rotary clamp of the tread cutting device tightens the tire clamp, the first servo motor drives the first housing to move the tire to a suitable position, and the tread high-pressure water gun cuts the tire tread; (3) The second gripping robot uses the tire clamp to pick up the tire and transfer it to the sidewall cutting device. The second tensioning rotary clamp of the sidewall cutting device tightens the tire clamp, the second servo motor drives the second housing to move the tire to a suitable position, and the sidewall high-pressure water gun cuts the tire tread; (4) The third gripping robot uses the tire clamp to pick up the tire and transfer it to the tire clamp unlocking fixture. The tire clamp unlocking fixture separates the cut tire from the tire clamp.

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