阅读说明：本技术 一种自动补胎机 (Automatic tire patching machine ) 是由 郭良 于 2019-09-24 设计创作，主要内容包括：本发明提供了一种自动补胎机,属于机械技术领域。它解决了补胎速度慢、效率低等技术问题。一种自动补胎机,包括机架,机架上固定有维修箱,维修箱中部固定有固定柱,固定柱上转动设置有转动柱一,转动柱一上转动设置转动柱二,转动柱二上固定有限位柱,转动柱二上设置有用于固定轮毂的限位结构,转动柱一内具有用于气体交换的通气道一,固定柱上开设有与通气道一相连通的通气道二,维修箱中设置有升降台组件,升降台组件包括若干同心设置的环形台,环形台上开设有能与通气道一相连的出气孔,机架上固定有气泵,气泵通过管道与通气道二相连。本发明具有补胎速度快、效率高的优点。(The invention provides an automatic tire repairing machine, and belongs to the technical field of machinery. The tire repair device solves the technical problems of low tire repair speed, low efficiency and the like. The utility model provides an automatic tire patching machine, which comprises a frame, be fixed with the maintenance case in the frame, maintenance case inside is fixed with the fixed column, it is provided with rotation post one to rotate on the fixed column, it sets up rotation post two to rotate on the rotation post one, it is fixed with the spacing post on the rotation post two, be provided with the limit structure who is used for fixed wheel hub on the rotation post two, it has the air vent that is used for gas exchange to rotate to have in the post one, set up the air vent two that is linked together with air vent on the fixed column, be provided with the elevating platform subassembly in the maintenance case, the elevating platform subassembly includes the annular platform of a plurality of concentric settings, set up on the annular platform and can link to each other with air vent one, be fixed with the air pump in the frame, the air pump. The invention has the advantages of high tire repairing speed and high efficiency.)

1. An automatic tire patching machine comprises a machine frame and is characterized in that a maintenance box is fixed on the machine frame, a fixed column is fixed in the middle of the maintenance box, a first rotating column is rotatably arranged on the fixed column, a second rotating column is rotatably arranged on the first rotating column, a limiting column is fixed on the second rotating column, a limiting structure for fixing a wheel hub is arranged on the second rotating column, a first air passage for gas exchange is arranged in the first rotating column, a second air passage communicated with the first air passage is arranged on the fixed column, a lifting platform assembly is arranged in the maintenance box and comprises a plurality of annular platforms which are concentrically arranged, air outlet holes which can be connected with the first air passage are arranged on the annular platforms, an air pump is fixed on the machine frame and is connected with the second air passage through a pipeline, and a lifting mechanism for lifting the annular platforms is arranged on the machine frame, the frame on be provided with and be used for dismantling the tire from wheel hub or install the tire to the dismantlement installation mechanism on wheel hub, the rotation post on be provided with the tire repair mechanism that is used for mending the tire, tire repair mechanism can detect out gas leakage hole position, the maintenance box inner wall on be provided with the complementary unit who is used for supplementary mending the tire, the frame on be provided with send into wheel hub or with the interior limit of tire extrusion mechanism that takes off from wheel hub.

2. The automatic tire patching machine of claim 1, wherein the limiting structure comprises a limiting rod and a limiting block, the second rotating column is provided with a limiting groove, the limiting rod can penetrate into the limiting groove, and the limiting block is in threaded connection with the limiting column.

3. The automatic tire patching machine of claim 1, wherein the first rotating column has a first chamber therein, the first chamber has a first driving motor fixed therein, and an output shaft of the first driving motor is in transmission connection with the second rotating column; and a second cavity is arranged in the fixed column, a second driving motor is fixed in the second cavity, and an output shaft of the second driving motor is in transmission connection with the rotating column.

4. The automatic tire patching machine of claim 1, wherein the annular table outer ring is provided with a limiting sliding groove, the annular table inner ring is provided with a limiting protrusion, the limiting protrusion is opened into the limiting sliding groove and can slide in the limiting sliding groove, a limiting clamping block is fixed at the upper end of the limiting sliding groove, and the limiting protrusion can abut against the limiting clamping block.

5. The automatic tire patching machine of claim 1, wherein the lifting mechanism comprises a screw rod with two opposite thread sections, a first push rod motor, a third drive motor, a push frame, a first support column and a second support column, the first push rod motor is fixed on the frame, the push frame is fixed on a push rod of the first push rod motor, the screw rod is rotatably arranged on the push frame, the third drive motor is fixed on the push frame, an output shaft of the third drive motor is in transmission connection with the screw rod, the push frame is provided with a sliding groove, the first support column and the second support column are arranged on the screw rod, the first support column and the second support column are arranged in the sliding groove, and the screw rod can drive the first support column and the second support column to approach or depart from each other.

6. The automatic tire patching machine of claim 1, wherein the disassembling and assembling mechanism comprises an upper disassembling and assembling component and a lower disassembling and assembling component, the upper disassembling and assembling component and the lower disassembling and assembling component are arranged in a mirror image manner, the upper disassembling and assembling component and the lower disassembling and assembling component both comprise a first support rod, a second support rod, a rotary table, a disassembling piece, a first air cylinder, a second air cylinder, a third air cylinder, a second push rod motor and a moving frame, the second push rod motor is fixed on a frame, a slide rail is fixed on the frame, the moving frame is arranged on the slide rail in a sliding manner, a push rod of the second push rod motor is fixedly connected with the moving frame, the first air cylinder and the second air cylinder are fixed on the moving frame, the first support rod is fixed on a piston rod of the first air cylinder, the second support rod is fixed on a piston rod of the second air cylinder, the rotary table is rotatably arranged at one end of, the dismounting part comprises a fixed plate and a rotating plate, a recess used for hooking the inner ring of the tire is formed in the rotating plate, the fixed plate is fixed on the second supporting rod, the rotating plate is hinged to the fixed plate, a plurality of threading grooves are formed in the fixed plate, steel wires are arranged in the threading grooves, the third air cylinder is fixed on the second supporting rod, the upper end of each steel wire is fixedly connected with a piston rod of the third air cylinder, and the lower end of each steel wire is fixed in the middle of the rotating plate.

7. The automatic tire patching machine of claim 1, wherein the tire patching mechanism comprises a rotary cylinder, a third push rod motor, a fourth push rod motor, a fifth push rod motor, a fire spraying pipe, a hot pressing plate and a glue spraying pipe which are rotatably arranged on a first rotary column, the rotary cylinder is internally provided with a third cavity, the first rotary column is provided with a rotary groove, the rotary cylinder is positioned in the rotary groove, the third push rod motor, the fourth push rod motor and the fifth push rod motor are fixed in the third cavity, the fire spraying pipe is fixed on a push rod of the third push rod motor, the hot pressing plate is fixed on a push rod of the fourth push rod motor, the hot pressing plate is provided with a placing groove for placing a glue patching block, the glue spraying pipe is fixed on a push rod of the fifth push rod motor, the rotary cylinder is provided with a first through hole for extending the fire spraying pipe, a second through hole for extending the hot pressing plate and a third through hole for extending the glue spraying pipe, the maintenance box is characterized in that a driving motor IV is fixed in the cavity I, a gear I is fixed on an output shaft of the driving motor IV, a gear II is fixed on the rotating cylinder and connected with the gear II, and a gas leakage hole detection assembly for detecting the position of a gas leakage hole and a control assembly for controlling the height of a tire are fixed on the maintenance box.

8. The automatic tire patching machine of claim 7, wherein the air leakage hole detection assembly comprises a water tank, a water spray pipe, a water pump and a visual positioning device, the water tank is fixed on the frame, the water spray pipe is fixed on the inner wall of the maintenance box, the water pump is fixed in the water tank, the water spray pipe is connected with the water pump through a water pipe, the visual positioning device is fixed on the inner wall of the maintenance box, and the visual positioning device is used for positioning the position of air bubbles on the surface of the tire.

9. The automatic tire patching machine of claim 7, wherein the control assembly comprises a plurality of push rod motors six and a plurality of lifting frames, the push rod motors six are fixed on the frame, and the lifting frames are fixed on push rods of the push rod motors six; the auxiliary mechanism comprises a push rod motor seven, the push rod motor seven is fixed on the maintenance box, and a squeezing plate is fixed on a push rod of the push rod motor seven.

10. The automatic tire patching machine of claim 1, wherein the extrusion mechanism comprises a lifting annular rail, a rotating ring, a push rod motor eight, a push rod motor nine, a driving motor five and an extrusion block, the push rod motor eight is fixed on the frame, the lifting annular rail is fixed on a push rod of the push rod motor eight, the rotating ring is rotatably arranged on the lifting annular rail, the push rod motor nine is fixed on the rotating ring, the driving motor five is fixed on the lifting annular rail, an output shaft of the driving motor five is in transmission connection with the rotating ring, the driving motor five can drive the rotating ring to rotate, the extrusion block is fixed at the end part of the push rod motor nine, and the extrusion block is provided with an upper extrusion rod and a lower extrusion rod.

Technical Field

The invention belongs to the technical field of machinery, and particularly relates to an automatic tire patching machine.

Background

The automobile tire is one of important parts of the automobile, is directly contacted with a road surface, and is used for relieving the impact on the automobile when the automobile runs together with an automobile suspension so as to ensure that the automobile has good riding comfort and running smoothness; the good adhesion between the wheels and the road surface is ensured; the traction, braking and passing performance of the automobile are improved; bearing the weight of the automobile, the important role of the tire on the automobile is more and more paid attention by people.

However, the traditional tire repairing mode requires a worker to detach the tire from the hub, then the tire is searched through the air leakage hole, the interior is polished, glue is applied to the glue, the air leakage hole is repaired, the tire is finally assembled on the hub, a large amount of time is needed in the middle process, the time of detaching the hub from the automobile is combined, a large amount of time is needed for repairing one tire, the tire repairing efficiency is low, particularly, the current automobile flow is large, and in the automobile maintenance, a plurality of automobile repair shops are difficult to follow up the maintenance speed.

Disclosure of Invention

The invention aims to solve the problems in the prior art, provides an automatic tire patching machine and solves the problems of low tire patching speed and low efficiency.

The purpose of the invention can be realized by the following technical scheme:

an automatic tire patching machine comprises a machine frame and is characterized in that a maintenance box is fixed on the machine frame, a fixed column is fixed in the middle of the maintenance box, a first rotating column is rotatably arranged on the fixed column, a second rotating column is rotatably arranged on the first rotating column, a limiting column is fixed on the second rotating column, a limiting structure for fixing a wheel hub is arranged on the second rotating column, a first air passage for gas exchange is arranged in the first rotating column, a second air passage communicated with the first air passage is arranged on the fixed column, a lifting platform assembly is arranged in the maintenance box and comprises a plurality of annular platforms which are concentrically arranged, air outlet holes which can be connected with the first air passage are arranged on the annular platforms, an air pump is fixed on the machine frame and is connected with the second air passage through a pipeline, and a lifting mechanism for lifting the annular platforms is arranged on the machine frame, the frame on be provided with and be used for dismantling the tire from wheel hub or install the tire to the dismantlement installation mechanism on wheel hub, the rotation post on be provided with the tire repair mechanism that is used for mending the tire, tire repair mechanism can detect out gas leakage hole position, the maintenance box inner wall on be provided with the complementary unit who is used for supplementary mending the tire, the frame on be provided with send into wheel hub or with the interior limit of tire extrusion mechanism that takes off from wheel hub.

The working principle of the invention is as follows: the tire repair device is characterized in that a hub is placed on a second rotating column, a shaft hole of the hub is sleeved on a limiting column, the hub is fixed through a limiting structure, a tire is disassembled from the hub through a disassembling and installing mechanism, the tire is conveyed to the first rotating column, before the first rotating column, an annular table can be lifted according to the inner diameter of the tire, the annular table can be completely abutted against the inner ring of the tire, if the diameter of the first rotating column is the same as the inner diameter of the tire, the annular table does not need to be lifted, then the inner portion of the first rotating column is inflated through an air pump, the tire is expanded, the position of a gas leakage hole is detected through a tire repair mechanism, after the position is determined, the gas in the tire is discharged, and the gas leakage hole of the tire is repaired under the matching of.

According to the invention, after the wheel hub is placed on the second rotating column, the tire can be automatically dismounted and repaired, and the tire can be automatically mounted on the wheel hub after the tire is repaired, so that the efficiency is high, and the labor cost is greatly saved.

In the invention, the tire can be disassembled in two conditions, namely, in the first condition, the second rotating column rotates and descends in cooperation with the disassembling and installing mechanism to remove the tire, and in the second condition, the second rotating column does not rotate and descends in cooperation with the extruding mechanism to remove the tire.

In the automatic tire patching machine, the limiting structure comprises a limiting rod and a limiting block, a limiting groove is formed in the second rotating column, the limiting rod can penetrate into the limiting groove, and the limiting block is in threaded connection with the limiting column. After the wheel hub is limited by the limiting column, the limiting rod penetrates through the wheel hub, then penetrates into the limiting groove to be limited and fixed, then the limiting block is fixed to the upper end of the limiting column, so that the wheel hub cannot be taken down from the top, and when the tire is installed from the bottom up, the wheel hub is prevented from being separated. In the invention, the limiting block is provided with a limiting stud, and the limiting stud is provided with a screw hole matched with the limiting stud. Can establish the lantern ring according to different wheel hub's shaft hole, overlap on spacing post, make wheel hub can guarantee to be in central point and put.

In the automatic tire patching machine, a first cavity is arranged in the first rotating column, a first driving motor is fixed in the first cavity, and an output shaft of the first driving motor is in transmission connection with a second rotating column. And the driving motor is started to drive the second rotating column to rotate.

In the automatic tire patching machine, a second cavity is arranged in the fixed column, a second driving motor is fixed in the second cavity, and an output shaft of the second driving motor is in transmission connection with the rotating column. The driving motor II is started and can drive the rotating column I to rotate.

In the automatic tire patching machine, the annular table outer ring is provided with the limiting sliding groove, the annular table inner ring is provided with the limiting protrusion, the limiting protrusion is opened into the limiting sliding groove and can slide in the limiting sliding groove, the upper end of the limiting sliding groove is fixed with the limiting fixture block, and the limiting protrusion can be abutted against the limiting fixture block. In a non-working state, the limiting protrusions abut against the limiting clamping blocks, when one annular table moves upwards, the annular table located at the inner ring of the annular table can be driven to move upwards at the same time, and the rest annular tables located at the outer ring of the annular table do not move. The annular platforms in the invention have four, which correspond to the sizes of the tires with different inner diameters respectively. An auxiliary ring is further arranged at the inner ring of the annular platform at the innermost ring, an auxiliary sliding groove matched with the limiting protrusion is formed in the auxiliary ring, a convex block is fixed in the auxiliary sliding groove, and the limiting protrusion of the annular platform can slide in the auxiliary sliding groove.

In the automatic tire patching machine, the lifting mechanism comprises a screw rod with two opposite thread sections, a first push rod motor, a third drive motor, a pushing frame, a first support column and a second support column, the first push rod motor is fixed on the frame, the pushing frame is fixed on a push rod of the first push rod motor, the screw rod is rotatably arranged on the pushing frame, the third drive motor is fixed on the pushing frame, an output shaft of the third drive motor is connected with the screw rod in a transmission mode, a sliding groove is formed in the pushing frame, the first support column and the second support column are arranged on the screw rod, the first support column and the second support column are arranged in the sliding groove, and the screw rod can drive the first support column and the second support column to be close to or far away from each other. And the driving motor is started three times, the first supporting column and the second supporting column can be driven to be close to or far away from each other, and when the annular table with the corresponding size needs to be lifted, the first supporting column and the second supporting column are moved to the lower part of the annular table. The pushing frame can be pushed upwards through the first push rod motor, and the annular table ascends under the support of the first support column and the second support column.

In the automatic tire patching machine, the dismounting and mounting mechanism comprises an upper dismounting and mounting assembly and a lower dismounting and mounting assembly, the upper dismounting and mounting assembly and the lower dismounting and mounting assembly are arranged in a mirror image mode, the upper dismounting and mounting assembly and the lower dismounting and mounting assembly respectively comprise a first support rod, a second support rod, a rotary table, a dismounting piece, a first air cylinder, a second air cylinder, a third air cylinder, a second push rod motor and a moving frame, the second push rod motor is fixed on the frame, a slide rail is fixed on the frame, the moving frame is arranged on the slide rail in a sliding mode, a push rod of the second push rod motor is fixedly connected with the moving frame, the first air cylinder and the second air cylinder are fixed on the moving frame, the first support rod is fixed on a piston rod of the first air cylinder, the second support rod is fixed on a piston rod of the second air cylinder, the rotary table is rotatably arranged at one end part of the support rod, the dismounting, the novel tire inner ring clamping device is characterized in that a depression used for hooking a tire inner ring is formed in the rotating plate, the fixing plate is fixed on the second supporting rod, the rotating plate is hinged to the fixing plate, a plurality of threading grooves are formed in the fixing plate, steel wires are arranged in the threading grooves, the second supporting rod is fixed on the third cylinder, the upper end of each steel wire is fixedly connected with a piston rod of the second cylinder, the lower end of each steel wire is fixed to the middle of the rotating plate, and an extrusion mechanism which is used for sending the tire inner ring into a hub or taking the tire inner ring from the hub is arranged on the rack. The second push rod motor is started to drive the moving frame to move, the position of the moving frame can be adjusted according to the size of a tire, the first air cylinders of the upper disassembling component and the lower disassembling component are started to drive the first support rod of the upper disassembling component to descend, the first support rod of the lower disassembling component ascends, the turntable on the first support rod can extrude the tire, the tightness between the tire and the tire is relieved under the rotation of the second rotating column, the tire is conveniently disassembled, then the second air cylinder of the lower disassembling component is started, the second support rod of the lower disassembling component ascends, the disassembling piece is clamped into a gap between the tire and a hub, then the third air cylinder is started, pulls the steel wire by the third air cylinder, the rotating plate rotates relative to the fixed plate and forms a hook claw for hooking an inner ring of the tire, then the third air cylinder is started again to pull out a rim of the tire from the inside of the hub to the outside, the previous step is then repeated, so that the upper edge of the tyre also disengages from the hub and the tyre enters the column. When the tire needs to be installed from bottom to top, main work is carried out through the upper dismounting assembly, the upper edge of the tire is pulled into the hub on line by dismounting on the upper dismounting assembly, the second rotating column rotates, then the lower edge of the tire is pulled into the hub, the second rotating column is restarted, and the tire completely enters into the hub.

In the automatic tire patching machine, the tire patching mechanism comprises a rotating cylinder, a third push rod motor, a fourth push rod motor, a fifth push rod motor, a fire spraying pipe, a hot pressing plate and a glue spraying pipe which are rotatably arranged on a rotating column, wherein a cavity is arranged in the rotating cylinder, a rotating groove is formed in the rotating column, the rotating cylinder is positioned in the rotating groove, the third push rod motor, the fourth push rod motor and the fifth push rod motor are fixed in the cavity, the fire spraying pipe is fixed on a push rod of the third push rod motor, the hot pressing plate is fixed on a push rod of the fourth push rod motor, a placing groove for placing a glue patching block is formed in the hot pressing plate, the glue spraying pipe is fixed on a push rod of the fifth push rod motor, a first through hole for extending the fire spraying pipe, a second through hole for extending the heat supply pressing plate and a third through hole for extending the glue spraying pipe are formed in the rotating cylinder, a fourth driving motor is fixed in the cavity, and a first gear is fixed on an output shaft of the driving motor IV, a second gear is fixed on the rotating cylinder, the first gear is connected with the second gear, and a leakage hole detection assembly for detecting the position of a leakage hole and a control assembly for controlling the height of a tire are fixed on the maintenance box. When a tire enters a position of the rotating column, the interior of the tire is inflated through the air pump, then the air leakage hole detection assembly detects the position of the air leakage hole, then the tire is deflated, the tire enters the maintainable height under the control of the control assembly, then the inner surface of the tire is roughened through the local combustion of the flame-spraying pipe, glue is sprayed on the surface of the tire through the glue-spraying pipe, finally the glue supplementing block on the hot pressing plate is extruded to the position through the hot pressing plate, and the hot pressing plate is heated, so that the glue supplementing block starts to melt and is completely compounded on the inner surface of the tire. The three internal fixations of cavity have the gas jar and store up and glue the jar, the gas jar links to each other with spouting the firetube, has ignition on spouting the firetube, spouts the glue pipe and stores up and glue the jar and link to each other, spouts glue pipe department and is provided with and is used for storing up glue jar interior glue water from spouting the mucilage binding and put.

In the automatic tire patching machine, the air leakage hole detection assembly comprises a water tank, a water spraying pipe, a water pump and a visual positioning device, the water tank is fixed on the rack, the water spraying pipe is fixed on the inner wall of the maintenance box, the water pump is fixed in the water tank, the water spraying pipe is connected with the water pump through a water pipe, the visual positioning device is fixed on the inner wall of the maintenance box, and the visual positioning device is used for positioning the position of bubbles on the surface of the tire.

The water pump can spray the water in the water tank onto the outer surface of the tire, when the water meets the air leakage hole of the tire, a large amount of air bubbles can be generated, and the redundant water on the tire flows back into the water tank. The visual positioning device is used for positioning the position of the bubbles on the surface of the tire, and the rest mechanisms on the edge can accurately repair the tire at the position under the action of the controller.

In the automatic tire patching machine, the control assembly comprises a plurality of push rod motors six and a plurality of lifting frames, the push rod motors six are fixed on the rack, and the lifting frames are fixed on push rods of the push rod motors six. Six starts of push rod motor, drives the crane and rises or descend, and the crane can support and lean on the tire to will make the tire upwards remove, when the tire need install meeting wheel hub, also can input the tire to wheel hub below position through this mechanism. And the mechanism can adjust the height of the tire through the lifting frame after the air leakage hole on the tire is determined, so that the lifting frame is aligned to the position of the hot pressing plate.

In the automatic tire patching machine, the auxiliary mechanism comprises a push rod motor seven, the push rod motor seven is fixed on the maintenance box, and a squeezing plate is fixed on a push rod of the push rod motor seven. And the push rod motor seven is started to drive the extrusion plate to move, and the extrusion plate can extrude the tire to the hot pressing plate, so that the hot pressing plate can better compound the corner repairing block on the tire.

In the automatic tire patching machine, the extrusion mechanism comprises a lifting annular rail, a rotating ring, a push rod motor eight, a push rod motor nine, a driving motor five and an extrusion block, the push rod motor eight is fixed on the frame, the lifting annular rail is fixed on a push rod of the push rod motor eight, the rotating ring rotates and is arranged on the lifting annular rail, the push rod motor nine is fixed on the lifting annular rail, the driving motor five is fixed on the frame, an output shaft of the driving motor five is connected with the rotating ring in a transmission manner, the driving motor five can drive the rotating ring to rotate, the extrusion block is fixed at the end part of the push rod motor nine, and the extrusion block is provided with an upper extrusion rod and a lower extrusion rod. And the eighth push rod motor is started to drive the lifting annular rail to ascend or descend, the fifth drive motor drives the rotating ring to rotate and the ninth push rod motor on the rotating ring drives the extrusion block to move, and the extrusion block is provided with an upper extrusion rod and a lower extrusion rod for assisting in tire installation. The tire can be hooked out of the hub or squeezed into the hub through the upper squeezing rod and the lower squeezing rod.

Compared with the prior art, the invention has the following advantages:

according to the invention, after the wheel hub is placed on the second rotating column, the tire can be automatically disassembled and repaired, and the tire can be automatically installed on the wheel hub after the tire is repaired, so that the efficiency is high, the labor cost is greatly saved, the tire can be automatically disassembled and installed from the wheel hub through the disassembling and installing mechanism, the labor cost is saved, and the air leakage position can be automatically detected and repaired.

Drawings

FIG. 1 is a schematic of the present invention.

Fig. 2 is a block diagram of the present invention.

FIG. 3 is a side view of the invention after removal of the repair box.

FIG. 4 is a cross-sectional view of a fixed column, a first rotating column and a second rotating column of the present invention.

Fig. 5 is an enlarged view at a in fig. 4.

Fig. 6 is a sectional view of the rotary cylinder of the present invention.

Figure 7 is a schematic view of a stripper member of the present invention.

FIG. 8 is a schematic view of an extrusion block of the present invention.

In the figure, 1, a frame; 2. a maintenance box; 3. fixing a column; 3a, a second air duct; 3b, a second chamber; 4. a first rotating column; 4a, a first air duct; 4b, a first chamber; 5. rotating the second column; 6. a limiting column; 7. an annular table; 7a and an air outlet; 7b, a limiting sliding chute; 7c, a limiting bulge; 7d, limiting a clamping block; 8. an air pump; 9. a limiting rod; 10. a limiting block; 11. driving a motor I; 12. a second driving motor; 13. a screw; 14. a push rod motor I; 15. driving a motor III; 16. pushing the frame; 17. a first supporting column; 18. a second supporting column; 19. a first support rod; 20. a second supporting rod; 21. a turntable; 22. disassembling the parts; 22a, a fixing plate; 22a1, a threading slot; 22b, a rotating plate; 22b1, concave; 23. a first cylinder; 24. a second air cylinder; 25. a third air cylinder; 26. a push rod motor II; 27. a movable frame; 28. a steel wire; 29. a rotating cylinder; 29a, chamber three; 29b, a first through hole; 29c, a second through hole; 29d, a third through hole; 30. a third push rod motor; 31. a push rod motor IV; 32. a push rod motor V; 33. a flame spraying pipe; 34. hot pressing plate; 35. a glue spraying pipe; 36. driving a motor IV; 37. a first gear; 38. a second gear; 39. a water tank; 40. a water spray pipe; 41. a water pump; 42. a visual positioning device; 43. a push rod motor six; 44. a lifting frame; 45. a push rod motor seven; 46. a pressing plate; 47. a lifting annular rail; 48. a rotating ring; 49. a push rod motor eight; 50. a push rod motor nine; 51. driving a motor V; 52. extruding the block; 52a, an upper extrusion stem; 52b, a lower extrusion stem; 53. a gas tank; 54. a glue storage tank; 55. a glue spraying device; 56. an ignition device.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 8, an automatic tire patching machine comprises a frame 1, and is characterized in that a maintenance box 2 is fixed on the frame 1, a fixed column 3 is fixed in the middle of the maintenance box 2, a first rotating column 4 is rotatably arranged on the fixed column 3, a second rotating column 5 is rotatably arranged on the first rotating column 4, a limiting column 6 is fixed on the second rotating column 5, a limiting structure for fixing a wheel hub is arranged on the second rotating column 5, a first air passage 4a for gas exchange is arranged in the first rotating column 4, a second air passage 3a communicated with the first air passage 4a is arranged on the fixed column 3, a lifting platform assembly is arranged in the maintenance box 2, the lifting platform assembly comprises a plurality of annular platforms 7 which are concentrically arranged, air outlet holes 7a capable of being connected with the first air passage 4a are arranged on the annular platforms 7, an air pump 8 is fixed on the frame 1, the air pump 8 is connected with the second air passage 3a through a pipeline, a lifting mechanism for lifting the annular platforms 7 is arranged on the frame 1, the tire repair machine is characterized in that a disassembly and installation mechanism used for disassembling a tire from a hub or installing the tire on the hub is arranged on the rack 1, a tire repair mechanism used for tire repair is arranged on the first rotating column 4, the position of a gas leakage hole can be detected by the tire repair mechanism, an auxiliary mechanism used for assisting tire repair is arranged on the inner wall of the maintenance box 2, and an extrusion mechanism used for conveying the inner edge of the tire into the hub or taking the inner edge of the tire from the hub is arranged on the rack 1.

The working principle of the invention is as follows: the tire repair method comprises the steps of placing a wheel hub on a second rotating column 5, enabling a shaft hole of the wheel hub to be sleeved on a limiting column 6, fixing the wheel hub through a limiting structure, dismounting a tire from the wheel hub through a dismounting and mounting mechanism, sending the tire to a first rotating column 4, lifting an annular table 7 according to the inner diameter of the tire before the first rotating column, enabling the annular table 7 to be completely abutted against the inner ring of the tire, if the diameter of the first rotating column 4 is the same as the inner diameter of the tire, not needing to lift the annular table 7, inflating the inner portion of the tire through an air pump 8, enabling the tire to swell, detecting the position of a gas leakage hole through a tire repair mechanism, discharging gas in the tire after the position is determined, and repairing the gas leakage hole of the tire under the matching of the tire repair mechanism and an auxiliary mechanism.

According to the invention, after the wheel hub is placed on the second rotating column 5, the tire can be automatically dismounted and repaired, and the tire can be automatically mounted on the wheel hub after the tire is repaired, so that the efficiency is high, and the labor cost is greatly saved.

In the invention, the tire can be disassembled in two conditions, namely, in the first condition, the second rotating column 5 rotates and descends in cooperation with the disassembling and installing mechanism to remove the tire, and in the second condition, the second rotating column 5 does not rotate and descends in cooperation with the extruding mechanism to remove the tire.

Specifically, limit structure includes gag lever post 9 and stopper 10, has seted up the spacing groove on rotating the post two 5, and gag lever post 9 can penetrate the spacing inslot, and stopper 10 threaded connection is on spacing post 6. After the wheel hub is limited by the limiting column 6, the limiting rod 9 penetrates through the wheel hub, then penetrates into the limiting groove to be limited and fixed, then the limiting block 10 is fixed at the upper end of the limiting column 6, so that the wheel hub cannot be taken down from the top, and when the tire is installed from the bottom up, the wheel hub is prevented from being separated. In the invention, the limiting block 10 is provided with a limiting stud, and the limiting column 6 is provided with a screw hole matched with the limiting stud. Can be according to different wheel hub's shaft hole, the lantern ring is established to the cover on spacing post 6, makes wheel hub can guarantee to be in central point and puts.

Specifically, a first cavity 4b is formed in the first rotating column 4, a first driving motor 11 is fixed in the first cavity 4b, and an output shaft of the first driving motor 11 is in transmission connection with a second rotating column 5. The first driving motor 11 is started and can drive the second rotating column 5 to rotate.

Specifically, a second cavity 3b is formed in the fixed column 3, a second driving motor 12 is fixed in the second cavity 3b, and an output shaft of the second driving motor 12 is in transmission connection with the first rotating column 4. And the second driving motor 12 is started and can drive the first rotating column 4 to rotate.

Specifically, the outer ring of the annular table 7 is provided with a limiting sliding groove 7b, the inner ring of the annular table 7 is provided with a limiting protrusion 7c, the limiting protrusion 7c is arranged in the limiting sliding groove 7b and can slide in the limiting sliding groove 7b, the upper end of the limiting sliding groove 7b is fixed with a limiting clamping block 7d, and the limiting protrusion 7c can be abutted against the limiting clamping block 7 d. In a non-working state, the limiting protrusion 7c abuts against the limiting fixture block 7d, when one of the annular platforms 7 moves upwards, the annular platform 7 located at the inner ring of the annular platform 7 can be driven to move upwards at the same time, and the rest of the annular platforms 7 located at the outer ring of the annular platform 7 do not move. The annular tables 7 of the present invention have four, corresponding to the sizes of the tires of different internal diameters. An auxiliary ring is further arranged at the inner ring of the annular platform 7 at the innermost ring, an auxiliary sliding groove matched with the limiting protrusion 7c is formed in the auxiliary ring, a convex block is fixed in the auxiliary sliding groove, and the limiting protrusion 7c of the annular platform 7 can slide in the auxiliary sliding groove.

Specifically, the lifting mechanism comprises a screw 13 with two opposite thread sections, a first push rod motor 14, a third driving motor 15, a first push frame 16, a first support column 17 and a second support column 18, the first push rod motor 14 is fixed on the frame 1, the first push frame 16 is fixed on a push rod of the first push rod motor 14, the screw 13 is rotatably arranged on the first push frame 16, the third driving motor 15 is fixed on the first push frame 16, an output shaft of the third driving motor 15 is in transmission connection with the screw 13, the first push frame 16 is provided with a sliding groove, the first support column 17 and the second support column 18 are arranged on the screw 13, the first support column 17 and the second support column 18 are arranged in the sliding groove, and the screw 13 can drive the first support column 17 and the second support column 18 to approach. And the driving motor III 15 is started, the first supporting column 17 and the second supporting column 18 can be driven to be close to or far away from each other, and when the annular table 7 with the corresponding size needs to be lifted, the first supporting column 17 and the second supporting column 18 are moved to the position below the annular table 7. The pushing frame 16 can be pushed upwards by the first pushing rod motor 14, and the annular table 7 is lifted under the support of the first supporting column 17 and the second supporting column 18.

Specifically, the dismounting and mounting mechanism comprises an upper dismounting and mounting assembly and a lower dismounting and mounting assembly, the upper dismounting and mounting assembly and the lower dismounting and mounting assembly are arranged in a mirror image manner, the upper dismounting and mounting assembly and the lower dismounting and mounting assembly respectively comprise a first support rod 19, a second support rod 20, a rotary table 21, a dismounting member 22, a first air cylinder 23, a second air cylinder 24, a third air cylinder 25, a second push rod motor 26 and a moving frame 27, the second push rod motor 26 is fixed on the frame 1, a slide rail is fixed on the frame 1, the moving frame 27 is arranged on the slide rail in a sliding manner, a push rod of the second push rod motor 26 is fixedly connected with the moving frame 27, the first air cylinder 23 and the second air cylinder 24 are fixed on the moving frame 27, the first support rod 19 is fixed on a piston rod of the first air cylinder 23, the second support rod 20 is fixed on a piston rod of the second air cylinder 24, the rotary table 21 is rotatably arranged at the end part of the first support rod 19, the dismounting member 22 is fixed at, the fixed plate 22a is fixed on the second supporting rod 20, the rotating plate 22b is hinged to the fixed plate 22a, the fixed plate 22a is provided with a plurality of threading grooves 22a1, steel wires 28 are arranged in the threading grooves 22a1, the third cylinder 25 is fixed on the second supporting rod 20, the upper ends of the steel wires 28 are fixedly connected with piston rods of the second cylinder 24, the lower ends of the steel wires 28 are fixed in the middle of the rotating plate 22b, and the rack 1 is provided with an extrusion mechanism which is used for feeding the inner edges of tires into hubs or taking the inner edges of the tires out of the hubs. The second push rod motor 26 is started to drive the moving frame 27 to move, the position of the moving frame 27 can be adjusted according to the size of the tire, the first air cylinders 23 of the upper disassembling component and the lower disassembling component are started to drive the first support rod 19 of the upper disassembling component to descend, the first support rod 19 of the lower disassembling component to ascend, the turntable 21 on the first support rod 19 can extrude the tire, under the rotation of the second rotating column 5, the tightness between the tire and the tire is relieved, the tire is conveniently disassembled, then the second air cylinder 24 of the lower disassembling component is started, the second support rod 20 of the lower disassembling component ascends, the disassembling piece 22 is clamped in a gap between the tire and a hub, then the third air cylinder 25 is started, the third air cylinder 25 pulls the steel wire 28, the rotating plate 22b rotates relative to the fixing plate 22a and forms an inner ring claw for hooking the tire, then the third air cylinder 25 is started again, the rim of the tire is pulled out of the inner portion, the lower edge of the tire is disengaged from the hub and the previous step is repeated so that the upper edge of the tire is also disengaged from the hub and the tire enters the first 4 rotating post. When the tire need be from up the installation down, then carry out main work through last dismouting subassembly, the dismantlement on the last dismouting subassembly will pull in the wheel hub with the tire top edge on line, rotate post two 5 and rotate, then pull in the wheel hub with the lower limb of tire in, rotate post two 5 restart, the tire enters into in the wheel hub completely.

Specifically, the tire repairing mechanism comprises a rotating cylinder 29, a push rod motor three 30, a push rod motor four 31, a push rod motor five 32, a fire spraying pipe 33, a hot pressing plate 34 and a glue spraying pipe 35 which are rotatably arranged on a rotating column I4, wherein a cavity III 29a is arranged in the rotating cylinder 29, a rotating groove is formed in the rotating column I4, the rotating cylinder 29 is positioned in the rotating groove, the push rod motor three 30, the push rod motor four 31 and the push rod motor five 32 are fixed in the cavity III 29a, the fire spraying pipe 33 is fixed on a push rod of the push rod motor three 30, the hot pressing plate 34 is fixed on a push rod of the push rod motor four 31, a placing groove for placing a glue repairing block is formed in the hot pressing plate 34, the glue spraying pipe 35 is fixed on the push rod of the push rod motor five 32, a through hole I29 b for extending out of the fire spraying pipe 33, a through hole II 29c for extending out of the heat supplying pressing plate 34 and a through hole III 29d for extending out of the glue spraying, a first gear 37 is fixed on an output shaft of the driving motor four 36, a second gear 38 is fixed on the rotating cylinder 29, the first gear 37 is connected with the second gear 38, and a leakage hole detection assembly for detecting the position of a leakage hole and a control assembly for controlling the height of a tire are fixed on the maintenance box 2. When the tire enters the first 4 positions of the rotating column, the air pump 8 is used for inflating the interior of the tire, then the air leakage hole detection assembly detects the position of the air leakage hole, then the tire is deflated, the tire enters the maintainable height under the control of the control assembly, then the inner surface of the tire is roughened through the local combustion of the flame spraying pipe 33, then the glue is sprayed on the surface of the tire through the glue spraying pipe 35, finally the glue supplementing block on the hot pressing plate 34 is extruded to the position through the hot pressing plate 34, and the hot pressing plate 34 is heated, so that the glue supplementing block starts to melt and is completely compounded on the inner surface of the tire. A gas tank 53 and a glue storage tank 54 are fixed in the third cavity 29a, the gas tank 53 is connected with the fire spraying pipe 33, an ignition device 56 is arranged on the fire spraying pipe 33, the glue spraying pipe 35 is connected with the glue storage tank 54, and a glue spraying device 55 for spraying glue in the glue storage tank 54 from the glue spraying pipe 35 is arranged at the glue spraying pipe 35. Before operation, a patch of adhesive needs to be placed on the hot platen 34.

Specifically, air leakage hole detection subassembly includes water tank 39, spray pipe 40, water pump 41 and vision positioner 42, and water tank 39 is fixed on frame 1, and spray pipe 40 is fixed on maintenance box 2 inner wall, and water pump 41 is fixed in water tank 39, and spray pipe 40 leads to pipe and links to each other with water pump 41, and vision positioner 42 is fixed on maintenance box 2 inner wall, and this vision positioning dress is used for fixing a position tire surface bubble position.

The water pump 41 sprays water from the water reservoir 39 onto the outer surface of the tyre, and when the water encounters a puncture in the tyre, a large number of air bubbles are formed, and excess water from the tyre flows back into the water reservoir 39. The visual positioning device 42 is used for positioning the position of bubbles on the surface of the tire, and the rest mechanisms on the edge can accurately repair the tire at the position under the action of the controller.

Specifically, the control assembly comprises a plurality of push rod motors six 43 and a plurality of lifting frames 44, wherein the push rod motors six 43 are fixed on the machine frame 1, and the lifting frames 44 are fixed on push rods of the push rod motors six 43. The push rod motor six 43 is started to drive the lifting frame 44 to ascend or descend, the lifting frame 44 can abut against the tire, the tire is enabled to move upwards, and when the tire needs to be installed on the hub, the tire can be input to the position below the hub through the mechanism. And the mechanism can adjust the height of the tire through the lifting frame 44 after the leakage hole on the tire is determined, so that the tire is aligned to the position of the hot pressing plate 34.

Specifically, the auxiliary mechanism comprises a push rod motor seven 45, the push rod motor seven 45 is fixed on the maintenance box 2, and a squeezing plate 46 is fixed on a push rod of the push rod motor seven 45. The push rod motor seven 45 is started to drive the extrusion plate 46 to move, and the extrusion plate 46 can extrude the tire to the hot pressing plate 34, so that the hot pressing plate 34 can better compound the corner repairing block on the tire.

Specifically, the extrusion mechanism comprises a lifting annular rail 47, a rotating ring 48, a push rod motor eight 49, a push rod motor nine 50, a driving motor five 51 and an extrusion block 52, wherein the push rod motor eight 49 is fixed on the rack 1, the lifting annular rail 47 is fixed on a push rod of the push rod motor eight 49, the rotating ring 48 is rotatably arranged on the lifting annular rail 47, the push rod motor nine 50 is fixed on the lifting annular rail 47, the driving motor five 51 is fixed on the rack 1, an output shaft of the driving motor five 51 is in transmission connection with the rotating ring 48, the driving motor five 51 can drive the rotating ring 48 to rotate, the extrusion block 52 is fixed at the end part of the push rod motor nine 50, and the extrusion block 52 is provided with an upper extrusion rod 52a and a lower extrusion rod 52 b. The eight push rod motor 49 is started to drive the lifting annular rail 47 to ascend or descend, the five driving motor 51 drives the rotating ring 48 to rotate and the nine push rod motor 50 on the rotating ring 48, the nine push rod motor 50 drives the extrusion block 52 to move, and the extrusion block 52 is provided with an upper extrusion rod 52a and a lower extrusion rod 52b for assisting in tire installation. The tire can be hooked out of the hub or pressed into the hub by the upper pressing rod 52a and the lower pressing rod 52 b.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.