Meridian tire surface bubble puncture device and method

Abstract

The application provides a meridian tire surface bubble puncture device and a puncture method, and relates to the technical field of tires, which comprises a frame, a feeding belt and a discharging belt, the feeding belt and the discharging belt are respectively arranged above the right end and below the left end of the inside of the frame, the rear end of the inside of the frame is provided with a guide rail, the guide rail is provided with a clamping assembly, the top of the frame is provided with a first sliding rail, and the first sliding rail is movably provided with a sliding seat; the tire is conveyed to the outside of the arc-shaped clamping piece through the clamping assembly, the first arc arm rotates on the mounting cylinder, the second arc arm rotates on the first arc arm, the arc-shaped clamping piece clamps the tire, the tire is driven to rotate through the roller, the position of the tire is adjusted, the rotating block rotates on the rotating seat, the angle of the tire is adjusted, the first toothed disc rotates, the direction of the tire is adjusted, and thus the multi-element angle adjustment is realized, the puncture coverage is perfect, the movable puncture assembly can be used for inclined puncture according to the inclination angle of the tire, and the condition that the vertical penetration is too deep is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of tire technology, in particular to a meridian tire surface bubble puncture device and a puncture method. BACKGROUND

[0002] The meridian tire, commonly known as "steel wire tire", the structure includes the body, the belt layer, the shoulder pad rubber, the bead, the tread rubber and the side rubber, etc., wherein, the design of the belt layer is crucial to the performance of the meridian tire, must have good rigidity, can adopt multilayer high strength and not easy to stretch fiber material, such as steel wire or aramid fiber, etc.;

[0003] In the tire forming process, various semi parts are mainly connected by artificial or mechanical connection, due to the difference of the adhesive between different semi parts, the uneven rolling pressure of the roller in the sub mouth part and the unstable clamping of the fan-shaped block, etc. The factors may cause the bubbles in the sub mouth part. It is understood that the bubbles in the sub mouth part account for more than 90% of the tire bubble defects, and these bubbles cannot be completely eliminated in the vulcanization process, which leads to the significant increase of the tire waste product rate, therefore, the puncture device is generally used to puncture the bubbles on the surface of the tire. In the prior art, the tire is fixed by the clamp, the puncture needle is punctured from the side, and the surface of the puncture is changed by the rotation of the tire. However, the angle of the tire cannot be adjusted, the puncture needle is generally perpendicular to the tire surface, and there is a risk of over-penetration. Therefore, the present application proposes a meridian tire surface bubble puncture device and a puncture method to solve the problems in the prior art. SUMMARY

[0004] In view of the above problems, the present application provides a meridian tire surface bubble puncture device and a puncture method. The meridian tire surface bubble puncture device is convenient for multi-angle adjustment, the puncture coverage is perfect, and the movable puncture assembly can also be conveniently inclined to avoid the risk of over-penetration.

[0005] In order to achieve the purpose of the present application, the present application realizes the following technical scheme: a meridian tire surface bubble puncture device, comprising a frame, an inlet belt and an outlet belt, the inlet belt and the outlet belt are respectively arranged above the right end and below the left end of the inside of the frame, the rear end of the inside of the frame is provided with a guide rail, and the guide rail is provided with a clamping assembly, the top of the frame is provided with a first sliding rail, and the first sliding rail is movably provided with a sliding seat, and the lower side of the sliding seat is provided with a movable puncture assembly.

[0006] Both ends of the frame are rotatably provided with a center disc, and first toothed discs are rotatably provided on the upper and lower sides of the center disc, the first toothed discs are provided with first air cylinders, and the output ends of the first air cylinders are provided with mounting discs, the mounting discs are provided with rotating seats, rotating blocks are rotatably provided on the rotating seats, the rotating blocks are provided with mounting barrels, first arc arms are rotatably provided on the outer sides of the mounting barrels, one end of each first arc arm is rotatably provided with a second arc arm, the second arc arms are provided with arc clamping pieces, the outer sides of the arc clamping pieces are rotatably provided with rollers, and the upper and lower sides of each arc clamping piece are provided with rolling balls.

[0007] Further improvements are that first drive gears are rotatably provided on the two sides of the center disc, the first drive gears are matched with the first toothed discs, the two sides of the center disc are provided with hinged seats, the center disc is rotatably connected with the frame through the hinged seats, the inside of the rotating seat is provided with a worm gear, and the inside of the rotating block is rotatably provided with a worm shaft matched with the worm gear.

[0008] Further improvements are that the first arc arms are provided in four groups, the four groups of first arc arms are arranged at equal angles around the center of the mounting barrel, the inner sides of the first arc arms are hingedly provided with first air rods, one end of each first air rod is hingedly connected with the mounting barrel, the outer sides of the first arc arms are hingedly provided with second air rods, and the output ends of the second air rods are hingedly connected with one end of the second arc arm.

[0009] Further improvements are that the rollers are provided in multiple groups, one end of each group of rollers is provided with a first gear, a second gear is rotatably provided on the arc clamping piece between the positions of the two adjacent groups of first gears, and the second gear is matched with the first gear.

[0010] Further improvements are that the clamping assembly comprises a moving seat, a support and a second air cylinder, the moving seat is movably arranged on a guide rail, the support is arranged on the moving seat, the second air cylinder is arranged on the inner side of the moving seat, the output end of the second air cylinder is provided with a center block, the two ends of the center block are hingedly provided with clamping arms, and the clamping arms are provided with first clamping jaws.

[0011] Further improvements are that the upper side of the support is provided with a third air cylinder, the output end of the third air cylinder is provided with a hanging rod, the two sides of the inside of the hanging rod are provided with second sliding rails, the two second sliding rails are movably provided with moving blocks, the lower side of each moving block is provided with a fourth air cylinder, and the output end of the fourth air cylinder is provided with a second clamping jaw.

[0012] Further improvements are that the rear side of the inside of the frame is provided with a conveying belt, and the rear side of the moving seat is connected with the conveying belt.

[0013] Further improvement lies in that the sliding base is provided with a fifth cylinder, the movable puncture assembly comprises a lifting seat and a second toothed disc, the lifting seat is arranged at the output end of the fifth cylinder, the second toothed disc is rotationally arranged at the center of the bottom of the lifting seat, second driving gears rotationally arranged at the two sides of the bottom of the lifting seat are matched with the second toothed disc, one end of the bottom of the second toothed disc is provided with a third air cylinder, and the output end of the third air cylinder is hingedly connected with a U-shaped piece, a guide arm is rotationally arranged below the U-shaped piece, the two sides of the bottom of the second toothed disc are provided with electric lifting rods, and the output ends of the electric lifting rods are provided with ear plates, the rear end of the guide arm is hingedly connected with a hinged plate, the inner sides of the two groups of ear plates are hingedly connected with fourth air cylinders, and the output ends of the two groups of fourth air cylinders are respectively hingedly connected with the two sides of the hinged plate.

[0014] Further improvement lies in that the front end of the guide arm is provided with a disc piece, the inside of the disc piece is provided with a sixth cylinder, the output end of the sixth cylinder is provided with a puncture needle, and the disc piece is provided with a bubble detection camera.

[0015] A puncture method of a meridian tire surface bubble puncture device, comprising the following steps:

[0016] The feeding belt conveys the tire to below the clamping assembly, the clamping assembly clamps the tire, and moves to convey the tire to outside the arc-shaped clamping piece, and the arc-shaped clamping piece is pushed to the inner side of the tire through the first cylinder;

[0017] The first arc arm rotates on the mounting cylinder, and the second arc arm rotates on the first arc arm, so that the distance and angle of the arc-shaped clamping piece extending out are changed, and the tire is clamped from the inner side;

[0018] The roller drives the tire to rotate, the position is adjusted, the rotating block rotates on the rotating seat, the angle is adjusted, the first toothed disc rotates, and the direction of the tire is adjusted;

[0019] The movable puncture assembly detects the bubble on the tire through the visual system, and when the bubble is detected, the movable puncture assembly performs oblique puncture according to the inclination angle of the tire;

[0020] After a group of tires are processed, the center disc is rotated to be inverted, the tire clamped below is conveyed to the upper side for processing, and the processed tire is unloaded to the discharge belt after being conveyed to the lower side.

[0021] The beneficial effects of the present application are:

[0022] 1. The present application transports the tire to the outside of the arc-shaped clamping piece through the clamping assembly, changes the distance and angle of the arc-shaped clamping piece through the rotation of the first arc arm on the mounting cylinder and the rotation of the second arc arm on the first arc arm, clamps the tire from the inside, drives the tire to rotate through the roller, adjusts the position of the tire, rotates the rotating block on the rotating seat to adjust the angle of the tire, rotates the first toothed disc to adjust the direction of the tire, thereby performing multi-element angle adjustment, perfecting the puncture coverage range, and also facilitating the inclined puncture of the movable puncture assembly according to the inclination angle of the tire, avoiding the case of excessive depth of vertical penetration.

[0023] 2. The present application can change the distance and angle of the arc-shaped clamping piece through the rotation of the first arc arm on the mounting cylinder and the rotation of the second arc arm on the first arc arm, so that the arc edge of the arc-shaped clamping piece adapts to the internal clamping needs of tires of different sizes, and has a wide range of applications.

[0024] 3. The present application transports the tire to the clamping assembly below through the feeding belt, clamps the tire with the clamping assembly and moves to transport the tire to the inside of the arc-shaped clamping piece, rotates the center disc after puncture by the movable puncture assembly to invert, sends the processed tire to the lower rear unloading to the discharge belt, and performs the whole process automatically and continuously, so that one tire can be clamped by the upper and lower structures of the two center discs, improving the processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a front view of the present application;

[0026] Figure 2 It is a schematic view of the upper structure of the center disc of the present application;

[0027] Figure 3 It is a schematic view of the side of the upper structure of the center disc of the present application;

[0028] Figure 4 It is a schematic view of the clamping assembly of the present application;

[0029] Figure 5 It is a top view schematic view of the movable puncture assembly of the present application;

[0030] Figure 6 It is a bottom view schematic view of the movable puncture assembly of the present application.

[0031] Wherein: 1, frame; 2, feed belt; 3, discharge belt; 4, guide rail; 5, first slide rail; 6, sliding seat; 7, center disc; 8, first toothed disc; 9, first cylinder; 10, mounting disc; 11, rotating seat; 12, rotating block; 13, mounting cylinder; 14, first arc arm; 15, second arc arm; 16, arc-shaped clamping piece; 17, roller; 18, ball; 19, first drive gear; 20, hinged seat; 21, first air rod; 22, second air rod; 23, first gear; 24, second gear; 25, moving seat; 26, support; 27, second cylinder; 28, center block; 29, clamping arm; 30, first clamping jaw; 31, third cylinder; 32, boom; 33, second slide rail; 34, moving block; 35, fourth cylinder; 36, second clamping jaw; 37, conveying belt; 38, fifth cylinder; 39, lifting seat; 40, second toothed disc; 41, second drive gear; 42, third air rod; 43, U-shaped piece; 44, guide arm; 45, electric lifting rod; 46, lug plate; 47, hinged plate; 48, fourth air rod; 49, disc piece; 50, sixth cylinder; 51, puncture needle; 52, worm gear; 53, worm. DETAILED DESCRIPTION

[0032] In order to deepen the understanding of the present application, the present application will be further described in conjunction with the embodiments below, which are only used to explain the present application and do not constitute a limitation on the protection scope of the present application.

[0033] Embodiment one

[0034] According to Figure 1 , 2 , 3, 4, 5, 6, the present embodiment proposes a meridian tire surface bubble puncture device, which comprises a frame 1, a feed belt 2 and a discharge belt 3, the feed belt 2 and the discharge belt 3 are respectively arranged above the right end and below the left end inside the frame 1, the rear end of the inner side of the frame 1 is provided with a guide rail 4, and the guide rail 4 is provided with a clamping assembly, the top of the frame 1 is provided with a first slide rail 5, and the first slide rail 5 is movably provided with a sliding seat 6, and the lower side of the sliding seat 6 is provided with a movable puncture assembly;

[0035] Both ends of the frame 1 are rotatably provided with a center disc 7, and the upper and lower sides of the center disc 7 are rotatably provided with a first tooth disc 8, the first tooth disc 8 is provided with a first cylinder 9, and the output end of the first cylinder 9 is provided with a mounting disc 10, the mounting disc 10 is provided with a rotating seat 11, and the rotating seat 11 is rotatably provided with a rotating block 12, the rotating block 12 is provided with a mounting cylinder 13, and the outer side of the mounting cylinder 13 is rotatably provided with a first arc arm 14, one end of the first arc arm 14 is rotatably provided with a second arc arm 15, and the second arc arm 15 is provided with an arc-shaped clamping piece 16, the outer side of the arc-shaped clamping piece 16 is rotatably provided with a roller 17, and the upper and lower sides of the arc-shaped clamping piece 16 are provided with a ball 18. When in use, the tire is conveyed to the outside of the arc-shaped clamping piece 16 through the clamping assembly, the first arc arm 14 is rotated on the mounting cylinder 13, the second arc arm 15 is rotated on the first arc arm 14, the distance and angle of the arc-shaped clamping piece 16 are changed, the tire is clamped from the inside, the tire is driven to rotate by the roller 17, the position of the tire is adjusted, the rotating block 12 is rotated on the rotating seat 11, the angle of the tire is adjusted, the first tooth disc 8 is rotated, and the direction of the tire is adjusted, so that multi-angle adjustment is realized, the piercing coverage is perfect, and the movable piercing assembly can also be inclined to pierce according to the inclination angle of the tire, so that the condition of being too deep when vertically pierced is avoided.

[0036] Both sides of the center disc 7 are rotatably provided with a first drive gear 19, and the first drive gear 19 is matched with the first tooth disc 8, both sides of the center disc 7 are provided with a hinged seat 20, the center disc 7 is rotatably connected with the frame 1 through the hinged seat 20, the inside of the rotating seat 11 is provided with a worm gear 52, and the inside of the rotating block 12 is rotatably provided with a worm shaft 53 matched with the worm gear 52. When in use, the first drive gear 19 drives the first tooth disc 8 to rotate, so as to adjust the direction of the tire; the center disc 7 is rotatably connected with the frame 1 through the hinged seat 20, after the tire is handled, the center disc 7 is rotated and inverted, the tire clamped below is sent to the upper side for handling, and the handled tire is unloaded to the discharging belt 3 after being sent to the lower side; the worm shaft 53 is rotated to drive the worm gear 52 to rotate, so that the rotating block 12 is rotated on the rotating seat 11, and the angle of the tire is adjusted.

[0037] The first arc arm 14 is provided with four groups, and the four groups of first arc arms 14 are arranged at equal angles around the center of the mounting cylinder 13, the inner side of the first arc arm 14 is hingedly provided with a first air rod 21, one end of the first air rod 21 is hingedly connected with the mounting cylinder 13, the outer side of the first arc arm 14 is hingedly provided with a second air rod 22, and the output end of the second air rod 22 is hingedly connected with one end of the second arc arm 15. When in use, the first air rod 21 lifts the mounting cylinder 13, so that the first arc arm 14 is rotated and extended, the second air rod 22 lifts the first arc arm 14, so that the second arc arm 15 is rotated and extended, the distance and angle of the arc-shaped clamping piece 16 can be changed, and the arc edge of the arc-shaped clamping piece 16 is matched with the inner clamping needs of tires of different sizes, so that the application range is wide.

[0038] The plurality of groups of rollers 17 are provided with first gears 23 at one end, and the arc-shaped clamping pieces 16 between the adjacent two groups of first gears 23 are provided with second gears 24 rotating thereon, and the second gears 24 are matched with the first gears 23. In use, the rollers 17 rotate, all the rollers 17 rotate through the meshing of the first gears 23 and the second gears 24, the tire is driven to rotate synchronously, and the rolling balls 18 support the tire inside up and down to reduce friction.

[0039] The clamping assembly comprises a moving seat 25, a support 26 and a second cylinder 27, the moving seat 25 is movably arranged on the guide rail 4, the support 26 is arranged on the moving seat 25, the second cylinder 27 is arranged on the inner side of the moving seat 25, and the output end of the second cylinder 27 is provided with a center block 28, both ends of the center block 28 are hingedly connected with clamping arms 29, and the clamping arms 29 are provided with first clamping jaws 30. The upper side of the support 26 is provided with a third cylinder 31, and the output end of the third cylinder 31 is provided with a boom 32, both sides of the inside of the boom 32 are provided with second sliding rails 33, and both sides of the second sliding rails 33 are movably provided with moving blocks 34, and the lower side of the moving block 34 is provided with a fourth cylinder 35, and the output end of the fourth cylinder 35 is provided with a second clamping jaw 36. In use, the two groups of moving blocks 34 move relative to each other along the second sliding rails 33, the fourth cylinder 35 lifts the second clamping jaw 36 to clamp the tire from the inside, then the two groups of clamping arms 29 rotate to clamp the tire from the outside by the first clamping jaws 30, then the moving seat 25 moves along the guide rail 4 to change the position, and the height is adjusted by the second cylinder 27 to send the tire out of the arc-shaped clamping piece 16.

[0040] The rear side of the inside of the frame 1 is provided with a conveying belt 37, and the rear side of the moving seat 25 is connected with the conveying belt 37. In use, the conveying belt 37 runs to drive the moving seat 25 to move along the guide rail 4 to change the position and send the tire out of the arc-shaped clamping piece 16.

[0041] Embodiment two

[0042] According to Figure 1 , 2 , 3, 4, 5, 6, the embodiment provides a meridian tire surface bubble piercing device, which comprises a frame 1, a feeding belt 2 and a discharging belt 3, the feeding belt 2 and the discharging belt 3 are arranged above the right end and below the left end of the inside of the frame 1 respectively, the rear end of the inside of the frame 1 is provided with a guide rail 4, and the guide rail 4 is provided with a clamping assembly, the top of the frame 1 is provided with a first sliding rail 5, and a sliding seat 6 is movably arranged on the first sliding rail 5, and a movable puncture assembly is arranged below the sliding seat 6.

[0043] The frame 1 is internally provided with a central disc 7 rotatably arranged at both ends, and a first toothed disc 8 rotatably arranged at the upper and lower parts of the central disc 7, the first toothed disc 8 is provided with a first cylinder 9, and the output end of the first cylinder 9 is provided with a mounting disc 10, the mounting disc 10 is provided with a rotating seat 11, and the rotating seat 11 is rotatably provided with a rotating block 12, the rotating block 12 is provided with a mounting cylinder 13, and the outer side of the mounting cylinder 13 is rotatably provided with a first arc arm 14, one end of the first arc arm 14 is rotatably provided with a second arc arm 15, and the second arc arm 15 is provided with an arc-shaped clamping piece 16, the outer side of the arc-shaped clamping piece 16 is rotatably provided with a roller 17, and the upper and lower parts of the arc-shaped clamping piece 16 are provided with a rolling ball 18. In use, the tire is conveyed to the outside of the arc-shaped clamping piece 16 through the clamping assembly, the first arc arm 14 is rotated on the mounting cylinder 13, the second arc arm 15 is rotated on the first arc arm 14, the distance and angle of the arc-shaped clamping piece 16 are changed, the tire is clamped from the inside, the tire is rotated by the roller 17, the position of the tire is adjusted, the rotating block 12 is rotated on the rotating seat 11, the angle of the tire is adjusted, the first toothed disc 8 is rotated, and the direction of the tire is adjusted, so that multi-angle adjustment is carried out, the puncture coverage range is perfect, and it is also convenient for the movable puncture assembly to perform inclined puncture according to the inclination angle of the tire, so as to avoid the case that the vertical penetration is too deep.

[0044] The sliding seat 6 is provided with a fifth cylinder 38, the movable puncture assembly comprises a lifting seat 39 and a second toothed disc 40, the lifting seat 39 is arranged at the output end of the fifth cylinder 38, the second toothed disc 40 is rotatably arranged at the center of the bottom of the lifting seat 39, the bottom of the lifting seat 39 is rotatably provided with a second drive gear 41 matched with the second toothed disc 40 at both sides, one end of the bottom of the second toothed disc 40 is provided with a third air rod 42, and the output end of the third air rod 42 is hingedly connected with a U-shaped piece 43, the lower part of the U-shaped piece 43 is rotatably provided with a guide arm 44, both sides of the bottom of the second toothed disc 40 are provided with an electric lifting rod 45, and the output end of the electric lifting rod 45 is provided with an ear plate 46, the rear end of the guide arm 44 is hingedly connected with a hinged plate 47, the inner sides of the two groups of ear plates 46 are hingedly connected with fourth air rods 48, and the output ends of the two groups of fourth air rods 48 are respectively hingedly connected with both sides of the hinged plate 47. The front end of the guide arm 44 is provided with a disc piece 49, and the inside of the disc piece 49 is provided with a sixth cylinder 50, the output end of the sixth cylinder 50 is provided with a puncture needle 51, and the disc piece 49 is provided with a bubble detection camera. In use, the bubble detection camera detects bubbles through a visual detection system, the fifth cylinder 38 drives the lifting seat 39 to descend, then the second drive gear 41 drives the second toothed disc 40 to rotate and adjust the direction, the third air rod 42 drives the guide arm 44 to rotate based on the rotating pivot of the hinged plate 47, changes the up-down angle of puncture, drives the hinged plate 47 to rotate based on the rotating pivot of the U-shaped piece 43, drives the guide arm 44 to rotate, changes the left-right angle of puncture, and the sixth cylinder 50 drives the puncture needle 51 to puncture.

[0045] Example three

[0046] According to Figure 1 , 2 , 3, 4, 5, 6, the embodiment proposes a puncture method of a meridian tire surface bubble puncture device, comprising the following steps:

[0047] The feeding belt 2 transports the tire to the clamping assembly, the clamping assembly clamps the tire, and moves to transport the tire outside the arc clamp 16, the arc clamp 16 is pushed into the inner side of the tire by the first cylinder 9;

[0048] The first arc arm 14 rotates on the mounting cylinder 13, and the second arc arm 15 rotates on the first arc arm 14, so as to change the distance and angle of the arc clamp 16 extending out and clamping the tire from the inside; The arc edge of the arc clamp 16 adapts to the inner clamping needs of different sizes of tires, and has wide application range;

[0049] The roller 17 drives the tire to rotate, adjusts the position, the rotating block 12 rotates on the rotating seat 11, adjusts the angle, and the first toothed disc 8 rotates, adjusts the direction of the tire; Multi-angle adjustment, perfect puncture coverage, also convenient for the movable puncture assembly to perform inclined puncture according to the inclination angle of the tire, to avoid the case of too deep vertical penetration;

[0050] The movable puncture assembly detects the bubble on the tire through the visual system, and when the bubble is detected, it performs inclined puncture according to the inclination angle of the tire;

[0051] After a group of tires are processed, the center disc 7 rotates and inverts to send the lower clamped tire to the upper processing, and the processed tire is unloaded to the discharge belt 3 after being sent to the lower side. The whole process is automatically and continuously carried out, and the upper and lower structures of the two center discs 7 can clamp one tire, improving the processing efficiency.

[0052] The present application transports the tire to the outside of the arc-shaped clamping piece 16 through the clamping assembly, changes the distance and angle of the arc-shaped clamping piece 16 by rotating the first arc arm 14 on the mounting cylinder 13 and rotating the second arc arm 15 on the first arc arm 14, clamps the tire from the inside, drives the tire to rotate through the roller 17, adjusts the position of the tire, rotates the rotating block 12 on the rotating seat 11 to adjust the angle of the tire, rotates the first toothed disc 8 to adjust the direction of the tire, thereby performing multi-element angle adjustment, perfecting the puncture coverage range, and also facilitating the movable puncture assembly to perform inclined puncture according to the inclination angle of the tire, avoiding the case of excessive depth of vertical penetration, and the first arc arm 14 rotating on the mounting cylinder 13 and the second arc arm 15 rotating on the first arc arm 14 can change the distance and angle of the arc-shaped clamping piece 16, so that the arc edge of the arc-shaped clamping piece 16 adapts to the internal clamping needs of tires of different sizes, and has a wide range of applications. At the same time, the tire is transported to the clamping assembly through the feeding belt 2, the clamping assembly clamps the tire and moves to transport the tire to the inside of the arc-shaped clamping piece 16, after being punctured by the movable puncture assembly, the center disc 7 is rotated and inverted to send the processed tire to the lower rear unloading to the discharging belt 3, and the whole process is automatically and continuously performed, and the upper and lower structures of the two center discs 7 can clamp one tire, thereby improving the processing efficiency.

[0053] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A meridian line tire surface bubble piercing device comprising a frame (1), an infeed belt (2) and an outfeed belt (3), characterized in that: The feeding belt (2) and the discharging belt (3) are arranged above the right end and below the left end of the frame (1) respectively, the rear end of the inner side of the frame (1) is provided with a guide rail (4), the guide rail (4) is provided with a clamping assembly, the top of the frame (1) is provided with a first sliding rail (5), the first sliding rail (5) is movably provided with a sliding seat (6), the lower side of the sliding seat (6) is provided with a movable puncture assembly; The both ends of the inside of the frame (1) are rotatably provided with a center disc (7), the upper and lower sides of the inside of the center disc (7) are rotatably provided with a first tooth disc (8), the first tooth disc (8) is provided with a first air cylinder (9), the output end of the first air cylinder (9) is provided with a mounting disc (10), the mounting disc (10) is provided with a rotating seat (11), the rotating seat (11) is rotatably provided with a rotating block (12), the rotating block (12) is provided with a mounting cylinder (13), the outer side of the mounting cylinder (13) is rotatably provided with a first arc arm (14), one end of the first arc arm (14) is rotatably provided with a second arc arm (15), the second arc arm (15) is provided with an arc-shaped clamping piece (16), the outer side of the arc-shaped clamping piece (16) is rotatably provided with a roller (17), the upper and lower sides of the arc-shaped clamping piece (16) are provided with a rolling ball (18); The both sides of the inside of the center disc (7) are rotatably provided with a first drive gear (19), the first drive gear (19) is matched with the first tooth disc (8), the both sides of the center disc (7) are provided with a hinged seat (20), the center disc (7) is rotatably connected with the frame (1) through the hinged seat (20), the inside of the rotating seat (11) is provided with a worm gear (52), the inside of the rotating block (12) is rotatably provided with a worm shaft (53) matched with the worm gear (52); The first arc arm (14) is provided with four groups, the four groups of the first arc arm (14) are arranged at equal angles around the center of the mounting cylinder (13), the inner side of the first arc arm (14) is hingedly provided with a first air rod (21), one end of the first air rod (21) is hingedly connected with the mounting cylinder (13), the outer side of the first arc arm (14) is hingedly provided with a second air rod (22), the output end of the second air rod (22) is hingedly connected with one end of the second arc arm (15).

2. A radial tire surface bubble piercing device as defined in claim 1, wherein: The roller (17) is provided with a plurality of groups, one end of each of the plurality of groups of the roller (17) is provided with a first gear (23), the arc-shaped clamping piece (16) between the adjacent two groups of the first gear (23) is rotatably provided with a second gear (24), the second gear (24) is matched with the first gear (23).

3. A radial tire surface bubble piercing device as defined in claim 1, wherein: The clamping assembly comprises a moving seat (25), a support (26) and a second air cylinder (27), the moving seat (25) is movably arranged on the guide rail (4), the support (26) is arranged on the moving seat (25), the second air cylinder (27) is arranged on the inner side of the moving seat (25), the output end of the second air cylinder (27) is provided with a center block (28), the both ends of the center block (28) are hingedly provided with a clamping arm (29), the clamping arm (29) is provided with a first clamping jaw (30).

4. A radial tire surface bubble piercing device as defined in claim 3, wherein: The upper side of the support (26) is provided with a third cylinder (31), and the output end of the third cylinder (31) is provided with a boom (32), both sides of the inside of the boom (32) are provided with second sliding rails (33), and the movable blocks (34) are movably arranged on the second sliding rails (33) on both sides, the lower side of the movable block (34) is provided with a fourth cylinder (35), and the output end of the fourth cylinder (35) is provided with a second clamping jaw (36).

5. A radial tire surface bubble piercing device as defined in claim 4, wherein: The rear side of the frame (1) is provided with a conveying belt (37), and the rear side of the moving seat (25) is connected with the conveying belt (37).

6. A radial tire surface bubble piercing device as defined in claim 1, wherein: The fifth cylinder (38) is arranged on the sliding seat (6), the movable puncture assembly comprises a lifting seat (39) and a second tooth disc (40), the lifting seat (39) is arranged at the output end of the fifth cylinder (38), the second tooth disc (40) is rotatably arranged at the center of the bottom of the lifting seat (39), second drive gears (41) matched with the second tooth disc (40) are rotatably arranged on both sides of the bottom of the lifting seat (39), one end of the bottom of the second tooth disc (40) is provided with a third air rod (42), the output end of the third air rod (42) is hingedly connected with a U-shaped piece (43), a guide arm (44) is rotatably arranged below the U-shaped piece (43), electric lifting rods (45) are arranged on both sides of the bottom of the second tooth disc (40), and the output ends of the electric lifting rods (45) are provided with ear plates (46), the rear end of the guide arm (44) is hingedly connected with a hinged plate (47), fourth air rods (48) are hingedly connected to the inner sides of the two groups of ear plates (46), and the output ends of the two groups of fourth air rods (48) are respectively hingedly connected to the two sides of the hinged plate (47).

7. A radial tire surface bubble piercing device as defined in claim 6, wherein: The front end of the guide arm (44) is provided with a disc piece (49), the inside of the disc piece (49) is provided with a sixth cylinder (50), the output end of the sixth cylinder (50) is provided with a puncture needle (51), and the disc piece (49) is provided with a bubble detection camera.

8. A method of puncturing a surface bubble of a radial tire using the radial tire surface bubble puncturing device according to any one of claims 1 to 7, characterized by, The steps include: The feeding belt (2) conveys the tire to the clamping assembly, the clamping assembly clamps the tire, and moves to convey the tire to the outside of the arc-shaped clamping piece (16), the arc-shaped clamping piece (16) is pushed to the inside of the tire by the first cylinder (9); The first arc arm (14) rotates on the mounting cylinder (13), the second arc arm (15) rotates on the first arc arm (14), so as to change the distance and angle of the arc-shaped clamping piece (16) extending out, and clamp the tire from the inside; The roller (17) drives the tire to rotate, adjusts the position, the rotating block (12) rotates on the rotating seat (11), adjusts the angle, and the first tooth disc (8) rotates, adjusts the direction of the tire; The movable puncture assembly detects the bubbles on the tire through the visual system, and when the bubbles are detected, the tire is obliquely punctured according to the inclination angle of the tire; After a group of tires are processed, the central disc (7) rotates and inverts, conveying the tire clamped below to the upper side for processing, and the processed tire is unloaded to the discharge belt (3) after being conveyed to the lower side.

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