Tire clamping device

Abstract

The utility model discloses a tire clamping device which comprises a base, a chuck and a plurality of clamping jaws, a rotating assembly is arranged on the base, the rotating assembly drives the chuck to rotate, the clamping jaws are evenly arranged on the side, away from the base, of the chuck in the circumferential direction, the chuck is provided with an opening assembly, and the opening assembly drives the clamping jaws to move so as to position and open a tire. According to the tire clamping device, the chuck and the opening unit are adopted, so that the clamping jaws are gradually opened outwards from the circle center of the chuck, the tire clamping device can adapt to various tire specifications, tools do not need to be frequently replaced, a tire can be effectively fixed and opened, it is guaranteed that the tire does not deform during gluing, it is guaranteed that glue is sprayed evenly, and a spray head is protected against impacting the tire; and in cooperation with the base and the rotating assembly, rotation of the chuck and the tire fixed to the chuck can be achieved, rotation of the glue gun is avoided, the glue outlet pressure of the glue gun can be kept stable, and the gluing effect is further improved.

Description

Technical Field

[0001] The utility model relates to tire processing technology, in particular to a tire clamping device. Background Art

[0002] A tire is a circular elastic rubber product that rolls on the ground and is assembled on various vehicles or machinery. It is usually installed on a metal rim, can support the vehicle body, buffer external impacts, achieve contact with the road surface, and ensure the driving performance of the vehicle.

[0003] Tire coating is a very important process in the tire processing. The existing tire coating method generally fixes the bottom or top of the tire with a clamping plate, and then rotates a spray head into the tire for coating; however, due to the influence of its own weight, the tire will deform, that is, the inner wall of the tire will be additionally expanded or contracted. When directly coating, in actual use, when the inner wall of the tire returns to its original shape, it will cause the glue at the deformed part to accumulate more or the coating amount to decrease, resulting in uneven coating, and the spray head will be damaged due to hitting the inner wall of the tire. Summary of the Utility Model

[0004] To solve the defects of the above-mentioned existing technology, the utility model provides a tire clamping device, which can effectively fix and expand the tire, ensure that the tire does not deform, so as to ensure uniform spraying of the glue, and protect the spray head from hitting the tire.

[0005] To achieve the above technical purpose, the utility model adopts the following technical scheme: A tire clamping device includes a base, a chuck and a plurality of jaws. A rotating assembly is provided on the base, the rotating assembly drives the chuck to rotate, the jaws are circumferentially and evenly arranged on the side of the chuck away from the base, and the chuck is provided with an expanding assembly, and the expanding assembly drives the jaws to move to position and expand the tire.

[0006] Preferably, the rotating assembly includes a rotating motor, a rotating gear and a rotating gear ring. The rotating motor is fixed on the base, the rotating gear ring is fixed on the side of the chuck facing the base, the rotating gear ring is coaxially arranged with the chuck, the rotating gear ring meshes with the rotating gear, the rotating gear is coaxially arranged with the output shaft of the rotating motor, and the rotating gear ring is rotatably connected to the base through a bearing.

[0007] Preferably, a protective cover is provided outside the rotating gear ring, and the protective cover is located between the chuck and the base and is fixed on the base.

[0008] Preferably, the expanding assembly includes an expanding motor, a clutch unit, a self-locking unit, an expanding gear ring and an expanding gear. The expanding motor is arranged on the base through the clutch unit, the output shaft of the expanding motor is coaxially arranged with the driving gear, the driving gear drives the expanding gear ring to rotate through the self-locking unit, and the expanding gear ring meshes with the expanding gear.

[0009] Preferably, the clutch unit includes a clutch frame, with clutch cylinders fixed on both sides of the clutch frame. The end of the piston rod of the clutch cylinder is fixed to the base, and the spreading motor is fixed in the middle of the clutch frame.

[0010] Preferably, the self-locking unit includes a transmission gear, a bevel gear, a worm, and a worm gear. The transmission gear is rotatably connected to the chuck and meshes with the driving gear. A bevel tooth is provided on the side of the transmission gear away from the driving gear, which meshes with the bevel gear. The bevel gear is coaxially arranged with the worm, the worm is fixed to the chuck through a fixing frame, and the worm gear is coaxially arranged with the spreading gear.

[0011] Preferably, the clamping jaw includes a rack, a driven gear, a slider, and a guide rail. The slider is fixed to the side of the chuck away from the base, the guide rail is slidably fitted to the slider and fixed to the side of the rack facing the chuck. The rack meshes with the driven gear, the driven gear is coaxially arranged with the spreading gear, and a hook is provided on the side of the rack away from the chuck.

[0012] In summary, the present utility model has achieved the following technical effects:

[0013] The tire clamping device of the present utility model uses a chuck and a spreading unit, enabling the clamping jaws to gradually expand outward from the center of the chuck. It can adapt to various tire specifications, eliminating the need for frequent tooling changes. It can effectively fix and expand the tire, ensuring that the tire does not deform during glue application, guaranteeing uniform spraying of the glue, and protecting the nozzle from hitting the tire. Moreover, in combination with the base and the rotating assembly, it can rotate the chuck and the tire fixed on the chuck, avoiding the rotation of the glue gun, facilitating the maintenance of a stable glue output pressure of the glue gun, and further improving the glue application effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a three-dimensional structural schematic diagram of the tire clamping device of the present utility model;

[0015] Figure 2 is a structural schematic diagram of the tire clamping device of the present utility model;

[0016] Figure 3 is a structural schematic diagram of the chuck of the tire clamping device of the present utility model;

[0017] Figure 4 is a structural schematic diagram of the chuck of the tire clamping device of the present utility model;

[0018] Figure 5 is an internal structural schematic diagram of the chuck of the tire clamping device of the present utility model;

[0019] Figure 6 is a structural schematic diagram of the clamping jaw of the tire clamping device of the present utility model;

[0020] Description of the reference numerals in the drawings: 1. Chuck; 2. Jaw; 3. Base; 4. Spreading motor; 5. Rotating motor; 6. Tire; 7. Clamping bracket; 8. Driving gear; 9. Rotating gear; 10. Rotating gear ring; 13. Spreading gear ring; 14. Spreading gear; 15. Transmission gear; 16. Bevel gear; 17. Worm; 18. Worm gear; 19. Fixed bracket; 20. Clutch cylinder; 21. Rack; 22. Hook; 23. Driven gear; 24. Slide block; 25. Guide rail. Detailed implementation manners

[0021] The present utility model will be further described in detail below with reference to the drawings.

[0022] This specific embodiment is only an interpretation of the present utility model, and it is not a limitation of the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without creative contributions as needed, but as long as it is within the scope of the claims of the present utility model, it is protected by the Patent Law.

[0023] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0024] In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more, unless otherwise specifically defined.

[0025] In the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] In the present utility model, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the horizontal height of the first feature is less than that of the second feature.

[0027] Embodiment 1:

[0028] As Figure 1 As shown in Fig. -2, a tire 6 clamping device includes a base 3, a chuck 1 and six jaws 2. A rotating assembly is provided on the base 3, and the rotating assembly drives the chuck 1 to rotate. The jaws 2 are circumferentially and evenly arranged on the side of the chuck 1 away from the base 3. The chuck 1 is provided with a spreading assembly, and the spreading assembly drives the jaws 2 to move to position and spread the tire 6. The rotating assembly includes a rotating motor 5, a rotating gear 9 and a rotating gear ring 10. The rotating motor 5 is fixed to the base 3, the rotating gear ring 10 is fixed to the side of the chuck 1 facing the base 3, the rotating gear ring 10 is coaxially arranged with the chuck 1, the rotating gear ring 10 meshes with the rotating gear 9, the rotating gear 9 is coaxially arranged with the output shaft of the rotating motor 5, and the rotating gear ring 10 is rotatably connected to the base 3 through a bearing.

[0029] For the tire 6 clamping device of this embodiment, by using the chuck 1 and the spreading unit, the jaws 2 are gradually spread outwards from the center of the chuck 1, which can not only adapt to various specifications of the tire 6 without the need to frequently replace the tooling, but also effectively fix and spread the tire 6, ensuring that the tire 6 does not deform during glue coating to ensure uniform spraying of the glue and protecting the nozzle from hitting the tire 6. Moreover, in cooperation with the base 3 and the rotating assembly, the rotation of the chuck 1 and the tire 6 fixed on the chuck 1 can be realized, avoiding the rotation of the glue gun, which is beneficial to maintaining the stable glue output pressure of the glue gun and further improving the glue coating effect.

[0030] A protective cover is provided outside the rotating gear ring 10. The protective cover is located between the chuck 1 and the base 3 and is fixed to the base 3. The protective cover is provided to prevent foreign objects from entering and protect the rotating gear ring 10 and the rotating gear 9.

[0031] As Figure 2As shown in Fig. -5, the expansion assembly includes an expansion motor 4, a clutch unit, a self-locking unit, an expansion gear ring 13, and an expansion gear 14. The expansion motor 4 is arranged on the base 3 through the clutch unit. The output shaft of the expansion motor 4 is coaxially arranged with the driving gear 8. The driving gear 8 drives the expansion gear ring 13 to rotate through the self-locking unit. The expansion gear ring 13 meshes with the expansion gear 14. Among them, the expansion gear ring 13 is rotatably limited to the chuck 1 through six clamping brackets 7. The clutch unit includes a clutch bracket. Clutch cylinders 20 are fixed on both sides of the clutch bracket. The end of the piston rod of the clutch cylinder 20 is fixed to the base 3. The expansion motor 4 is fixed in the middle of the clutch bracket. The self-locking unit includes a transmission gear 15, a bevel gear 16, a worm 17, and a worm gear 18. The transmission gear 15 is rotatably connected to the chuck 1 and meshes with the driving gear 8. A bevel tooth is arranged on the side of the transmission gear 15 away from the driving gear 8. The bevel tooth meshes with the bevel gear 16. The bevel gear 16 is coaxially arranged with the worm 17. The worm 17 is fixed to the chuck 1 through a fixing bracket 19. The worm gear 18 is coaxially arranged with the expansion gear 14. Among them, the clutch unit realizes the clutch function by controlling the separation and engagement between the driving gear 8 and the transmission gear 15 through the clutch cylinder 20, and the self-locking unit is realized through the self-locking action of the worm 17 and the worm gear 18.

[0032] As Figure 6 shown, the jaw 2 includes a rack 21, a driven gear 23, a slider 24, and a guide rail 25. The slider 24 is fixed on the side of the chuck 1 away from the base 3. The guide rail 25 is slidably fitted to the slider 24 and fixed to the side of the rack 21 facing the chuck 1. The rack 21 meshes with the driven gear 23. The driven gear 23 is coaxially arranged with the expansion gear 14. A hook 22 is arranged on the side of the rack 21 away from the chuck 1.

[0033] Working principle: First, place the tire 6 at the center of the chuck 1. The expansion assembly works. The clutch cylinder 20 drives the expansion motor 4 to move, so that the driving gear 8 and the transmission gear 15 are engaged. The expansion motor 4 drives the expansion gear ring 13 to rotate through the self-locking unit, and then drives the driven gear 23 to rotate through the expansion gear 14, so that the rack 21 moves outwards. Then the clutch cylinder 20 moves the expansion mechanism backwards, so that the driving gear 8 and the transmission gear 15 are disengaged. Due to the self-locking action of the worm gear 18 and the worm 17, the tire 6 is fixed and expanded by the hook 22. When spraying the colloid, only need to insert the nozzle into the tire 6. The rotation assembly works. The rotation motor 5 drives the rotation gear 9 to rotate, drives the entire chuck 1 to rotate through the rotation gear ring 10, and drives the tire 6 to rotate, so as to realize the coating of the inner wall of the tire 6 with glue.

[0034] The above description is only a preferred embodiment of the present utility model, and does not impose any form of limitation on the present utility model. Any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present utility model shall fall within the scope of the technical solution of the present utility model.

Claims

1. A tire clamping device, characterized in that: It includes a base, a chuck and a plurality of clamping jaws. The base is provided with a rotating assembly, which drives the chuck to rotate. The clamping jaws are evenly arranged on the side of the chuck away from the base. The chuck is provided with a spreading assembly, which drives the clamping jaws to move to position and spread the tire.

2. A tire clamping device according to claim 1, characterized in that: The rotating assembly includes a rotating motor, a rotating gear and a rotating ring gear, wherein the rotating motor is fixed to a base, the rotating ring gear is fixed to a side of a chuck facing the base, the rotating ring gear is coaxially arranged with the chuck, the rotating ring gear is meshed with the rotating gear, the rotating gear is coaxially arranged with an output shaft of the rotating motor, and the rotating ring gear is rotatably connected to the base via a bearing.

3. A tire clamping device according to claim 2, characterized in that: A protective cover is arranged on the outer side of the rotating gear ring, and the protective cover is located between the chuck and the base and is fixed to the base.

4. A tire clamping device according to claim 1, characterized in that: The expansion assembly includes an expansion motor, a clutch unit, a self-locking unit, an expansion gear ring and an expansion gear. The expansion motor is arranged on the base through the clutch unit. The output shaft of the expansion motor is coaxially arranged with the driving gear. The driving gear drives the expansion gear ring to rotate through the self-locking unit. The expansion gear ring is meshed with the expansion gear.

5. A tire clamping device according to claim 4, characterized in that: The clutch unit comprises a clutch frame, clutch cylinders are fixed on both sides of the clutch frame, the ends of the clutch cylinder piston rods are fixed to a base, and the expansion motor is fixed to the middle of the clutch frame.

6. A tire clamping device according to claim 4, characterized in that: The self-locking unit includes a transmission gear, a bevel gear, a worm and a worm wheel. The transmission gear can be rotatably connected to the chuck and meshed with the driving gear. The transmission gear is provided with bevel teeth on the side away from the driving gear. The bevel teeth mesh with the bevel gear. The bevel gear is coaxially arranged with the worm. The worm is fixed to the chuck through a fixing frame. The worm wheel is coaxially arranged with the support gear.

7. A tire clamping device according to claim 4, characterized in that: The clamp includes a rack, a driven gear, a slider and a guide rail. The slider is fixed to the side of the chuck away from the base. The guide rail is slidably matched with the slider and fixed to the side of the rack facing the chuck. The rack is meshed with the driven gear, and the driven gear is coaxially arranged with the support gear. A hook is provided on the side of the rack away from the chuck.

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