Tire positioning and grinding equipment
By incorporating a support frame, a motor-driven centering and clamping mechanism, and a detachable grinding plate, the design solves the problem of existing equipment being unable to adapt to different tire shapes, achieving precise tire positioning and efficient grinding, and improving the equipment's adaptability and ease of maintenance.
Patent Information
- Application Number
- CN202520077650.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Existing tire alignment and grinding equipment is difficult to adjust according to the size and shape of the tire, resulting in poor grinding effect, affecting the flatness and roughness of the tire surface, and reducing the versatility of the equipment.
The design incorporates a support frame, motor, centering mechanism, clamping mechanism, and grinding mechanism. Through the cooperation of the motor-driven gear ring and rack plate, the tire is adaptively clamped and fixed. The grinding plate can be easily replaced through the detachable triangular prism structure, ensuring grinding accuracy and equipment adaptability.
It achieves precise tire positioning and adaptive clamping, avoids shaking during the grinding process, improves grinding accuracy and equipment versatility, reduces maintenance costs, and facilitates quick replacement of worn or damaged grinding plates.
Smart Images

Figure CN223685154U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tire polishing equipment technical field especially relates to a tire positioning polishing equipment. BACKGROUND
[0002] The tire positioning polishing equipment is a professional equipment used in the fields of automobile maintenance and tire retreading. It is mainly applied to the maintenance and care process of automobile tires, and ensures the polishing operation on the specific parts of the tire through the precise positioning system. Its function is to remove the uneven parts, wear marks or old rubber layers on the surface of the tire, so as to make the tire surface reach the expected flatness and roughness, thereby improving the performance and safety of the tire. It usually contains two types of semi-automatic tire positioning polishing equipment and full-automatic tire positioning polishing equipment, and the semi-automatic one needs manual assistance for part of the operation, while the full-automatic one can automatically complete the tire positioning and polishing process.
[0003] The tire positioning polishing equipment usually contains a positioning mechanism, a polishing unit and a control system. The positioning mechanism is used to fix the tire and accurately determine the position and angle of the tire, which is usually realized by clamps and sensors; the polishing unit is mainly a polishing head with a power device, such as a grinding wheel or a sand belt, which is used to contact the surface of the tire for polishing; the control system coordinates the work of the positioning mechanism and the polishing unit. Its working principle is to fix and position the tire by the positioning mechanism first, and then the control system commands the polishing unit to polish the specific position of the tire according to the positioning information, and removes the uneven parts or old rubber layers on the surface of the tire through the rotation or movement of the polishing head.
[0004] In the prior art, due to the diversity of tires on the market, their shapes and sizes are different, so that part of the polishing equipment is difficult to adjust according to the size and shape of the tire, resulting in poor polishing effect, which may cause over-polishing in some areas or insufficient polishing in some areas, affecting the flatness and roughness of the tire surface, and reducing the universality of the equipment. Therefore, a tire positioning polishing equipment is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a tire positioning polishing equipment, which aims to improve the problem that part of the polishing equipment in the prior art is difficult to adjust according to the size and shape of the tire.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] A tire positioning polishing equipment, the bottom of the support frame is fixedly connected with a motor one, the output end of the motor one is fixedly connected with a centering mechanism, the outer wall of the centering mechanism is fixedly connected with two motors two, the other end of the outer wall of the motor two is fixedly connected with a clamping mechanism, the top of the support frame is fixedly connected with a polishing mechanism;
[0008] The clamping mechanism comprises two operation boxes, the outer wall of the operation box is fixedly connected to the other end of the outer wall of the motor two, the output end of the motor two is fixedly connected with a gear ring, the inner wall of the operation box is fixedly connected with a plurality of transmission gears, the inside of the operation box is slidably connected with a plurality of rack plates, the outer end of the rack plate is fixedly connected with an opening and closing ring, the inner wall of the opening and closing ring is slidably connected with a pressing assembly;
[0009] As a further description of the above technical solution:
[0010] The pressing assembly comprises a plurality of sliding rods, the outer wall of the sliding rod is slidably connected to the inner wall of the opening and closing ring, both ends of the sliding rod are fixedly connected with limiting blocks, and the outer side of the sliding rod is provided with a spring one;
[0011] As a further description of the above technical solution:
[0012] The centering mechanism comprises a convex disc, the bottom of the convex disc is fixedly connected to the output end of the motor one, the outer wall of the convex disc is rotatably connected with two traction plates, the other end of the traction plate is rotatably connected with a fixed stake, the other end of the fixed stake is fixedly connected with a sliding plate, the bottom of the support frame is fixedly connected with a plurality of limiting rods, and the other end of the limiting rod is fixedly connected with a blocking plate;
[0013] As a further description of the above technical solution:
[0014] The polishing mechanism comprises a fixed disc, the bottom of the fixed disc is fixedly connected to the top of the support frame, the bottom of the fixed disc is fixedly connected with a plurality of stabilizing pins, the bottom of the fixed disc is fixedly connected with a connecting column, the bottom of the connecting column is detachably connected with a connecting disc, the bottom of the connecting disc is fixedly connected with a polishing plate, the bottom of the connecting column and the top of the connecting disc are detachably connected with a plurality of triangular columns one, the outside of the connecting disc is slidably connected with a plurality of triangular columns two, one end of the connecting column is fixedly connected with a spring two, and the other end of the spring two is fixedly connected to the inside of the connecting disc;
[0015] As a further description of the above technical solution:
[0016] The outer side of the gear ring is engaged with the outer side of the transmission gear, and the outer side of the transmission gear is engaged with the outer side of the rack plate;
[0017] As a further description of the above technical solutions:
[0018] One end of the spring one is fixedly connected to the outer wall of one of the limiting blocks, and the other end of the spring one is fixedly connected to the outer wall of the opening and closing ring.
[0019] As a further description of the above technical solutions:
[0020] The bottom of the sliding plate is slidingly connected to the bottom of the support frame, the inner wall of the sliding plate is slidingly connected to the outer wall of the two limiting rods, and the outer wall of the blocking plate is fixedly connected to the bottom of the support frame.
[0021] As a further description of the above technical solutions:
[0022] The triangular column one and the triangular column two are externally provided with a butt joint groove, and the outer wall of the triangular column one is detachably connected to the outer wall of the triangular column two through the butt joint groove.
[0023] The utility model has the following beneficial effects:
[0024] 1、In the utility model, the convex disc is rotated by starting the motor one, the sliding plate moves along the limiting rod in the opposite direction through the traction plate and the fixed stake, the operation box is driven to move to the middle, then the motor two is started to drive the gear ring to rotate, so that the transmission gear and the rack plate move, the opening and closing ring is opened, and the self-adapting clamping and fixing of the tire are realized through the pressing effect of the limiting block, the sliding rod and the spring one, so that the tire is effectively prevented from shaking during polishing, the polishing precision is ensured through the accurate positioning of the tire, and the adaptability of the polishing equipment is increased.
[0025] 2、In the utility model, the butt joint groove is unlocked by pushing the triangular column two inward, the triangular column one is pulled out to unlock the connecting disc and the connecting column, and the connecting disc is removed for replacement and maintenance of the polishing plate, then the triangular column two and the triangular column one are operated, the triangular column one is driven to move by the spring two, the locking structure is formed, the connecting disc and the butt joint column are stably connected, the polishing plate is conveniently disassembled and assembled, the equipment maintenance cost is reduced, the worn or damaged polishing plate can be quickly replaced, and the continuity of the polishing work is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 A three-dimensional schematic view of a tire positioning and polishing equipment is provided for the utility model;
[0027] Figure 2 A structure schematic view of a convex disc of a tire positioning and polishing equipment is provided for the utility model;
[0028] Figure 3The utility model provides a kind of structure schematic diagram of operating box of tire positioning polishing equipment.
[0029] Figure 4 The utility model provides a kind of structure schematic diagram of connecting disc of tire positioning polishing equipment.
[0030] Legend:
[0031] 1, support frame;2, motor one;3, convex disc;4, traction plate;5, fixed stake;6, sliding plate;7, limiting rod;8, barrier;9, motor two;10, operating box;11, gear ring;12, transmission gear;13, rack plate;14, open-close ring;15, sliding rod;16, limit block;17, spring one;18, fixed disc;19, stabilizing pin;20, connecting column;21, connecting disc;22, polishing plate;23, triangular column one;24, triangular column two;25, spring two. Specific implementation
[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0033] Reference Figures 1 to 3 An embodiment provided by the utility model: a kind of tire positioning polishing equipment, including support frame 1, support frame 1 provides stable installation platform for other components on equipment, ensure that the whole equipment keeps balance and stable during working process.Support frame 1 is fixedly connected with motor one 2 in the bottom, motor one 2 provides the power basis of opposite motion for subsequent mechanism, to facilitate preliminary clamping and fixing to tire.Electric motor one 2 output is fixedly connected with centering mechanism, centering mechanism is used to carry out centering clamping operation to tire, to ensure the stability and accuracy of tire when polishing.The outer wall of centering mechanism is fixedly connected with two motor two 9, motor two 9 is used to drive subsequent structure to adjust according to the size of tire inner disc and further reinforce clamping, and provide the power of self-rotation for tire after adjusting and pressing, to facilitate uniform polishing to tire.The other end outer wall of motor two 9 is fixedly connected with clamping mechanism, clamping mechanism is used to adjust and further press tight tire according to different size tire.Support frame 1 top is fixedly connected with polishing mechanism, and polishing mechanism is used to polish the outer surface of tire.
[0034] The clamping mechanism comprises two operation boxes 10, the outer wall of the operation box 10 is fixedly connected to the outer wall of the other end of the motor two 9, and the operation box 10 plays a role in protecting the internal components and providing a mounting position. The output end of the motor two 9 is fixedly connected with a gear ring 11, and the gear ring 11 is used to transmit the power of the motor two 9 to the subsequent structure. The inner wall of the operation box 10 is fixedly connected with a plurality of transmission gears 12, the outer side of the gear ring 11 is engaged with the outer side of the plurality of transmission gears 12, and the transmission gears 12 are driven to rotate by the operation of the motor two 9 to drive the transmission gears 12 to rotate. The operation box 10 is slidably connected with a plurality of rack plates 13, the outer side of the transmission gear 12 is engaged with the outer side of the rack plate 13, and the rack plate 13 is driven to slide linearly in the operation box 10 by the rotation of the transmission gear 12, so as to conveniently drive the subsequent structure to extend and retract. The outer end of the rack plate 13 is fixedly connected with an opening and closing ring 14, and the opening and closing ring 14 moves with the movement of the rack plate 13, so as to adapt to the different sizes of the tire inner disc. The inner wall of the opening and closing ring 14 is slidably connected with a pressing assembly, and the pressing assembly is used for self-adapting pressing according to the shape of the tire inner disc, so as to ensure the uniformity of the force on the side surface of the tire, and the rotation power of the motor two 9 drives the entire tire to rotate by pressing the tire, so as to perform the polishing operation.
[0035] The pressing assembly comprises a plurality of slide rods 15, the outer wall of the slide rod 15 is slidably connected to the inner wall of the opening and closing ring 14, and the slide rod 15 slides in the opening and closing ring 14 to adaptively adjust according to the size and shape of the tire inner disc, so that the clamping force is more uniform, and the tire inner disc is prevented from being damaged. The two ends of the slide rod 15 are fixedly connected with limiting blocks 16, and the radius of the limiting block 16 is greater than the radius of the slide rod 15, so as to prevent the slide rod 15 from moving too much and derailing. The outer side of the slide rod 15 is sleeved with a spring one 17, one end of the spring one 17 is fixedly connected to the outer wall of one of the limiting blocks 16, and the other end of the spring one 17 is fixedly connected to the outer wall of the opening and closing ring 14. When the limiting block 16 contacts the tire inner disc, the slide rod 15 slides to stretch the spring one 17, and the reverse elastic force generated by the stretching of the spring one 17 causes the slide rod 15 and the limiting block 16 to be pressed on both sides of the inner disc of the tire.
[0036] The centering mechanism comprises a convex disc 3, the bottom of which is fixedly connected to the output end of the motor 1, and is driven to rotate by the motor 1, thereby driving the subsequent structure to rotate. The outer wall of the convex disc 3 is rotatably connected with two traction plates 4, which will rotate when the convex disc 3 moves, thereby generating a traction force to the subsequent structure. The other end of the traction plate 4 is rotatably connected with a fixed stake 5, which is used to connect the other end of the traction plate 4 and transmit the movement of the traction plate 4 to the subsequent structure. The other end of the fixed stake 5 is fixedly connected with a sliding plate 6, the bottom of which is slidably connected to the bottom of the support frame 1. The rotation of the traction plate 4 and the transmission of the fixed stake 5 make the two sliding plates 6 move towards the middle, thereby making the clamping mechanism move towards the middle and clamping the tire. The bottom of the support frame 1 is fixedly connected with a plurality of limiting rods 7, the inner wall of the sliding plate 6 is slidably connected to the outer wall of the two limiting rods 7, which provides guidance for the sliding of the sliding plate 6, ensures the accurate sliding direction of the sliding plate 6, and prevents the sliding plate 6 from deviating. The other end of the limiting rod 7 is fixedly connected with a blocking plate 8, the outer wall of which is fixedly connected to the bottom of the support frame 1, which can prevent the sliding plate 6 from disengaging from the limiting rod 7 during sliding.
[0037] Referring to Figure 2 With Figure 4 , the polishing mechanism comprises a fixed disc 18, the bottom of which is fixedly connected to the top of the support frame 1, and is used to ensure that the polishing mechanism can be stably installed on the support frame 1 of the device, thereby ensuring that the subsequent structure remains stable during polishing. The bottom of the fixed disc 18 is fixedly connected with a plurality of stable pins 19, which are used to enhance the connection stability between the fixed disc 18 and the support frame 1, and prevent displacement or shaking of the fixed disc 18 during polishing due to vibration and other factors. The bottom of the fixed disc 18 is fixedly connected with a connecting column 20, which is used to connect the subsequent polishing structure, thereby enabling the polishing structure to be stably installed. The bottom of the connecting column 20 is detachably connected with a connecting disc 21, which is used to conveniently and stably connect the connecting column 20 with the subsequent polishing structure, thereby facilitating replacement and maintenance of the polishing mechanism. The bottom of the connecting disc 21 is fixedly connected with a polishing plate 22, the bottom side of which is arc-shaped to facilitate effective polishing of the outer surface of the tire during self-rotation of the tire.
[0038] The bottom of the connecting column 20 is detachably connected with the top of the connecting disc 21, the outer part of the connecting disc 21 is slidingly connected with a plurality of triangular columns two 24, the triangular column one 23 and the triangular column two 24 are used in cooperation to form a stable locking structure, so as to realize the butt joint between the connecting column and the connecting disc 21. The outer part of the triangular column one 23 and the triangular column two 24 is provided with a butt joint groove, the outer wall of the triangular column one 23 is detachably connected with the outer wall of the triangular column two 24 through the butt joint groove, in the dismounting process, the position of the triangular column two 24 is moved to make the triangular column two 24 slide horizontally until the butt joint groove on the triangular column two 24 corresponds to the outer part of the triangular column one 23, so as to pull out the triangular column one 23 upward, thereby dismounting the connecting disc 21 from the bottom of the connecting column 20, and the triangular column one 23 can be inserted again to make the triangular column two 24 slide along the butt joint groove on the triangular column one 23, so that the butt joint groove on the triangular column two 24 is dislocated from the triangular column one 23, thereby realizing the locking purpose. The proximal end of a plurality of connecting columns 20 is fixedly connected with a spring two 25, the other end of the spring two 25 is fixedly connected with the inner part of the connecting disc 21, and the spring two 25 is used for providing a reset power basis for the locking of the triangular column two 24 and the triangular column one 23.
[0039] Working principle: in use, place the tire in the designated position, turn on the motor one 2, the motor one 2 operates to drive the convex disc 3 to rotate, thereby driving the two traction plates 4 to rotate, the traction plate 4 drives the two sliding plates 6 to move axially along the limiting rod 7 through the transmission action of the fixed stake 5, thereby driving the operation box 10 to move to the middle, then turn on the motor two 9, the motor two 9 operates to drive the gear ring 11 to rotate, the rotation of the gear ring 11 drives the transmission gear 12 to rotate, thereby driving the rack plate 13 to move linearly, so that the opening and closing ring 14 is opened, and the opening and closing ring 14 is adjusted according to different sizes and diameters of the tire, when the limiting block 16 on the opening and closing ring 14 contacts the two sides of the tire, the sliding rod 15 is pushed to slide outward, thereby stretching the spring one 17, the reverse elastic force generated by the stretching of the spring one 17 makes the whole sliding rod 15 and the limiting block 16 press the tire, thereby realizing the self-adaptive clamping and fixing of the tire, avoiding the shaking of the tire during the grinding process, and because of the pressing between the tire and the limiting block 16, the rotating power of the motor two 9 drives the whole operation box 10 and the tire to rotate, and contacts the grinding plate 22 to perform the grinding operation.
[0040] After the polishing is finished, the triangular column two 24 can be pushed inwards so that the butt joint groove on the triangular column two 24 corresponds to the triangular column one 23, thereby realizing the unlocking operation between the triangular column one 23 and the triangular column two 24, and the triangular column one 23 can be taken out by pulling it outwards, thereby completing the unlocking between the connecting disc 21 and the connecting column 20, the connecting disc 21 is taken off, the polishing plate 22 can be replaced and maintained, and then the triangular column two 24 can be pushed inwards so that the butt joint groove on the triangular column two 24 corresponds to the insertion position of the triangular column one 23, the triangular column one 23 is inserted, the butt joint groove on the triangular column one 23 corresponds to the triangular column two 24, the triangular column one 23 is loosened, the triangular column one 23 is pushed outwards by the deformation recovery of the spring two 25, thereby the triangular column one 23 and the triangular column two 24 form a locking structure, and the stable connection between the connecting disc 21 and the butt joint column is realized.
[0041] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A tyre positioning and grinding apparatus comprising a support frame (1), characterised in that: The bottom of the support frame (1) is fixedly connected with a motor one (2), the output end of the motor one (2) is fixedly connected with a centering mechanism, the outer wall of the centering mechanism is fixedly connected with two motors two (9), the other end of the outer wall of the motor two (9) is fixedly connected with a clamping mechanism, the top of the support frame (1) is fixedly connected with a polishing mechanism; The clamping mechanism comprises two operation boxes (10), the outer wall of the operation box (10) is fixedly connected with the other end of the outer wall of the motor two (9), the output end of the motor two (9) is fixedly connected with a gear ring (11), the inner wall of the operation box (10) is fixedly connected with a plurality of transmission gears (12), the inside of the operation box (10) is slidably connected with a plurality of rack plates (13), the outer end of the rack plate (13) is fixedly connected with an opening and closing ring (14), the inner wall of the opening and closing ring (14) is slidably connected with a pressing assembly.
2. A tyre positioning and truing apparatus according to claim 1, characterised in that: The pressing assembly comprises a plurality of slide rods (15), the outer wall of the slide rod (15) is slidably connected with the inner wall of the opening and closing ring (14), the both ends of the slide rod (15) are fixedly connected with limiting blocks (16), the outer side of the slide rod (15) is sleeved with a spring one (17).
3. A tire positioning and buffing apparatus as defined in claim 1 wherein: The centering mechanism comprises a convex disc (3), the bottom of the convex disc (3) is fixedly connected with the output end of the motor one (2), the outer wall of the convex disc (3) is rotatably connected with two traction plates (4), the other end of the traction plate (4) is rotatably connected with a fixed stake (5), the other end of the fixed stake (5) is fixedly connected with a sliding plate (6), the bottom of the support frame (1) is fixedly connected with a plurality of limiting rods (7), the other end of the limiting rod (7) is fixedly connected with a blocking plate (8).
4. A tire positioning and buffing apparatus as defined in claim 1 wherein: The polishing mechanism comprises a fixed disc (18), the bottom of the fixed disc (18) is fixedly connected with the top of the support frame (1), the bottom of the fixed disc (18) is fixedly connected with a plurality of stabilizing pins (19), the bottom of the fixed disc (18) is fixedly connected with a connecting column (20), the bottom of the connecting column (20) is detachably connected with a connecting disc (21), the bottom of the connecting disc (21) is fixedly connected with a polishing plate (22), the bottom of the connecting column (20) and the top of the connecting disc (21) are detachably connected with a plurality of triangular columns one (23), the outside of the connecting disc (21) is slidably connected with a plurality of triangular columns two (24), the proximal end of the plurality of connecting columns (20) is fixedly connected with a spring two (25), the other end of the spring two (25) is fixedly connected in the inside of the connecting disc (21).
5. A tire positioning and buffing apparatus as defined in claim 1 wherein: The outer side of the gear ring (11) is engaged with the outer side of the plurality of transmission gears (12), the outer side of the transmission gear (12) is engaged with the outer side of the rack plate (13).
6. A tire positioning and buffing apparatus as defined in claim 2 wherein: One end of the spring one (17) is fixedly connected with the outer wall of one of the limiting blocks (16), the other end of the spring one (17) is fixedly connected with the outer wall of the opening and closing ring (14).
7. A tyre positioning and truing apparatus according to claim 3 wherein: The bottom of the sliding plate (6) is slidingly connected to the bottom of the support frame (1), and the inner wall of the sliding plate (6) is slidingly connected to the outer wall of the two limiting rods (7), and the outer wall of the blocking plate (8) is fixedly connected to the bottom of the support frame (1).
8. A tyre positioning and truing apparatus according to claim 4, characterised in that: The triangular column one (23) and the triangular column two (24) are externally provided with butt joints, and the outer wall of the triangular column one (23) is detachably connected to the outer wall of the triangular column two (24) through the butt joints.