Tire mold surface polishing equipment

Abstract

The utility model relates to the technical field of tire molds, in particular to tire mold surface polishing equipment which comprises a working table, a plurality of electric rollers and static pressure rails are arranged at the top of the working table, the electric rollers roll in the same direction, the static pressure rails and the electric rollers are staggered, and the static pressure rails all face the center of the working table. The static pressure rails are connected with limiting pieces in a sliding mode through sliding blocks, and the tire mold is restrained at the center of the working table through the multiple limiting pieces. Compared with a traditional method, according to the technical scheme, by arranging the electric rollers and the conveying belt, automatic conveying of the tire molds is achieved, manual carrying and lifting are not needed, and the feeding process of the tire molds is greatly simplified. And meanwhile, the tire mold can be rapidly and accurately positioned through cooperation of the static pressure track and the limiting piece, compared with a traditional lifting rear clamping plate limiting and fixing mode, operation is easier and more convenient, and the grinding efficiency of the tire mold can be improved.

Description

Technical Field

[0001] This utility model relates to the field of tire mold technology, specifically to a tire mold surface grinding device. Background Technology

[0002] During the tire mold manufacturing process, defects such as machining marks, burrs, and tool marks may exist on the mold surface. Polishing can remove these imperfections, making the mold surface smoother and flatter. A smooth surface helps the tire to form better during the vulcanization process, avoiding quality problems such as pitting and dents on the tire surface, thereby improving the tire's appearance quality and overall quality.

[0003] Patent document CN219444612U discloses a tire mold grinding device. In this solution, the tire mold grinding device drives the cylinder in the grinding mechanism to bring the grinding part close to the tire mold and grind both sides of the tire, without the need for manual reversal of the mold.

[0004] In the above scheme, the tire mold needs to be lifted to a certain height before being fixed by clamping plates. Due to the large weight of the tire mold, the lifting and installation process is cumbersome and complicated, which is not conducive to the efficient grinding of the tire mold and makes it difficult to form an assembly line operation. Summary of the Invention

[0005] This invention aims to at least partially solve one of the technical problems in related technologies. Therefore, the purpose of this invention is to provide a heat energy recovery and reuse system, method, and electronic equipment to improve the grinding efficiency of tire molds.

[0006] The objective of this utility model can be achieved through the following technical solutions:

[0007] A tire mold surface polishing device includes a worktable, on the top of which are arranged multiple electric rollers and static pressure rails. The electric rollers roll in the same direction, and the static pressure rails are offset from the electric rollers. The multiple static pressure rails are all oriented toward the center of the worktable. The static pressure rails are slidably connected to limiters by sliders, and the multiple limiters constrain the tire mold to the center of the worktable.

[0008] A lifting and grinding assembly is provided on one side of the workbench. The lifting and grinding assembly includes a drive component, a second motor, and a grinding disc. The output end of the second motor is connected to the grinding disc. Under the drive of the drive component, the two move downward to grind the tire mold.

[0009] In some embodiments of this utility model, conveyor belts are provided at both ends of the workbench, and the conveying direction of the conveyor belts is the same as the rolling direction of the electric roller.

[0010] In some embodiments of this utility model, the top of the workbench has a rectangular structure, and the four hydrostatic tracks extend from the four corners of the workbench toward its center.

[0011] In some embodiments of this utility model, the limiting member has a fan-shaped structure, and multiple limiting blocks are movably arranged from top to bottom on the side of the limiting member facing the tire mold. The limiting blocks are elastically connected to the inner cavity of the limiting member through spring columns.

[0012] In some embodiments of this utility model, the limiting block has a fan-shaped structure, and the side of the limiting block facing the tire mold is an arc surface.

[0013] In some embodiments of this utility model, the driving component includes a column installed on one side of the workbench. The column is connected from top to bottom with a guide column and a lead screw. A motor is provided at the top of the column. The output end of the motor is connected to the lead screw. A guide block is movably provided on the column body. The guide column passes through the guide block. The guide block is threadedly connected to the lead screw. The guide block is connected to a second motor through a connecting plate. The second motor corresponds to the center of the workbench.

[0014] In some embodiments of this utility model, the output end of the second motor is connected to the top of the grinding disc via an eccentric wheel.

[0015] In some embodiments of this utility model, a protruding post is formed in the middle of the inner cavity of the tire mold, the outer diameter of the grinding disc is smaller than the inner diameter of the tire mold, and an avoidance groove is provided at the bottom of the grinding disc.

[0016] The beneficial effects of this utility model are:

[0017] Compared to traditional methods, this technical solution achieves automated conveying of tire molds by setting up electric rollers and conveyor belts, eliminating the need for manual handling and lifting, and greatly simplifying the tire mold loading process. Simultaneously, the cooperation of the hydrostatic track and limiting components enables rapid and accurate positioning of the tire molds. Compared to the traditional lifting and clamping plate fixing method, operation is simpler and improves the grinding efficiency of the tire molds. Furthermore, the grinding disc, connected to the motor via an eccentric wheel, can generate irregular motion trajectories, better adapting to the complex surface shape of the tire molds, allowing for more comprehensive and uniform grinding of the mold surface, thus improving grinding quality. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] Figure 1 This is a perspective view of the present invention;

[0020] Figure 2 This is a three-dimensional view of the workbench in this utility model;

[0021] Figure 3 This is a perspective view of the limiting component in this utility model;

[0022] Figure 4 This is a cross-sectional view of the limiting component in this utility model;

[0023] Figure 5 This is a perspective view of the grinding disc in this utility model;

[0024] Figure 6 This is a perspective view of the tire mold in this utility model.

[0025] In the diagram: 1. Conveyor belt; 2. Workbench; 21. Static pressure track; 22. Slider; 23. Electric roller; 3. Limiting component; 31. Spring column; 32. Limiting block; 4. Column; 41. Guide column; 42. Lead screw; 43. Motor 1; 44. Guide block; 45. Connecting plate; 46. Motor 2; 47. Eccentric wheel; 5. Grinding disc; 51. Clearance groove; 6. Tire mold; 61. Protruding column. Detailed Implementation

[0026] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0027] like Figure 1 , Figure 2 As shown, a tire mold surface polishing device includes a worktable 2. Multiple electric rollers 23 and a static pressure track 21 are arranged on the top of the worktable 2. The electric rollers 23 roll in the same direction, and the static pressure track 21 is offset from the electric rollers 23. All the static pressure tracks 21 face the center of the worktable 2. The static pressure track 21 is slidably connected to a limiting member 3 via a slider 22. The limiting member 3 constrains the tire mold 6 at the center of the worktable 2. A lifting polishing assembly is arranged on one side of the worktable 2. The lifting polishing assembly includes a driving component, a second motor 46, and a polishing disc 5. The output end of the second motor 46 is connected to the polishing disc 5. Under the drive of the driving component, both components move downwards to polish the tire mold 6.

[0028] When the tire mold 6 moves to the vicinity of the center of the worktable 2, the static pressure track 21 begins to function. The static pressure track 21 is slidably connected to the limiting member 3 through the slider 22, and multiple static pressure tracks 21 are all oriented towards the center of the worktable 2. The limiting member 3 will slide towards the center on the static pressure track 21. When the limiting member 3 contacts the tire mold 6, it will fit tightly against the tire mold 6. Finally, multiple limiting members 3 stably constrain the tire mold 6 at the center of the worktable 2, achieving precise positioning. At the same time, the drive unit controls the motor 46 and the grinding disc 5 to move downward until the grinding disc 5 is in close contact with the tire mold 6, and the motor 46 is started to achieve precision grinding of the tire mold 6.

[0029] As an example, the workbench 2 is the basic support structure of the entire grinding equipment, providing a platform for the installation and operation of components such as the electric roller 23, the static pressure track 21, and the limiting component 3, ensuring the relative positional relationship between the components, and enabling the entire grinding process to proceed in an orderly manner.

[0030] As an example, the electric roller 23 is driven by a motor to roll in the same direction. Its main function is to transport the tire mold 6. When the tire mold 6 is placed on the electric roller 23, the rotation of the electric roller 23 will drive the tire mold 6 to move on the worktable 2, realizing the automatic transfer of the tire mold 6 on the worktable 2 and reducing the amount of manual handling work.

[0031] In some embodiments of this invention, conveyor belts 1 are provided at both ends of the workbench 2, and the conveying direction of the conveyor belts 1 is the same as the rolling direction of the electric rollers 23. The conveyor belts 1 at both ends of the workbench 2 are mainly used to transport the tire mold 6 to the workbench 2 area and to transport the polished tire mold 6 out of the workbench 2. The conveying direction of the conveyor belts 1 is the same as the rolling direction of the electric rollers 23, which enables the smooth transition of the tire mold 6 between different conveying components. When the tire mold 6 is in the external processing or storage area, the conveyor belts 1 can quickly and stably transport it to the electric rollers 23 of the workbench 2; after the tire mold 6 is polished, it can be transported to the next work stage or storage area. This further improves the conveying efficiency of the tire mold 6, realizes the automated conveying of the entire polishing process, reduces manual intervention, improves the continuity and smoothness of production, helps to form assembly line operations, and improves production efficiency.

[0032] In some embodiments of this utility model, the top of the workbench 2 has a rectangular structure, providing a regular spatial layout for the installation of components such as the electric roller 23 and the static pressure track 21. This makes the arrangement of components more orderly, facilitating the design, manufacturing, and maintenance of the equipment, ensuring the stability and rationality of the overall structure of the equipment, providing a good foundation for the normal operation of each component, and improving the practicality and reliability of the equipment. The four static pressure tracks 21 extend from the four corners of the workbench 2 towards its center. This layout allows the limiting member 3 to constrain the tire mold 6 from four directions, ensuring that the tire mold 6 is accurately positioned at the center of the workbench 2. Regardless of the shape of the tire mold 6, the static pressure tracks 21 extending from the four corners and the limiting member 3 can better cover the edge of the mold, achieving omnidirectional positioning of the mold. This improves the accuracy and stability of the tire mold 6's positioning, ensures the positional accuracy of the tire mold 6 during the grinding process, thereby improving the grinding quality and reducing grinding defects caused by inaccurate mold positioning.

[0033] In some embodiments of this utility model, the limiting member 3 has a fan-shaped structure. Multiple limiting blocks 32 are movably arranged from top to bottom on the side of the limiting member 3 facing the tire mold 6. The limiting blocks 32 are elastically connected to the inner cavity of the limiting member 3 via spring pillars 31. The fan-shaped limiting member 3 can better adapt to the rectangular structure of the workbench 2 and the layout of the hydrostatic track 21. When sliding towards the center of the workbench 2, the fan-shaped limiting member 3 can more effectively cover the edge area of ​​the tire mold 6, increasing the contact area with the tire mold 6, improving the constraint effect on the mold, enabling the limiting member 3 to more stably position the tire mold 6, enhancing the mold's fixing ability, reducing mold shaking during grinding, and ensuring smooth grinding operations. Simultaneously, multiple limiting blocks 32 are movably arranged from top to bottom on the side of the limiting member 3 facing the tire mold 6. The limiting blocks 32 directly contact the tire mold 6 and conform to the shape of the mold, thereby achieving precise positioning of the mold. The multiple limiting blocks 32 can better adapt to tire molds 6 of different shapes and sizes, improving the flexibility and adaptability of positioning, ensuring the positional accuracy of the mold during grinding, and thus improving grinding quality. The function of the spring column 31 is to provide elastic support for the limiting blocks 32. When the limiting blocks 32 contact the tire mold 6, the spring column 31 can compress or extend according to the undulations of the mold surface, so that the limiting blocks 32 can fit tightly against the mold surface, ensuring good contact and positioning effect regardless of whether the mold surface is flat or uneven.

[0034] In some embodiments of this invention, the limiting block 32 has a fan-shaped structure, with the side of the limiting block 32 facing the tire mold 6 being an arc surface. This arc surface design allows for better contact with the outer surface of the tire mold 6, especially for tire molds 6 with curved contours. The arc-shaped limiting block 32 can achieve better contact with the mold surface, improving positioning accuracy and stability. Simultaneously, the arc surface design reduces stress concentration between the limiting block 32 and the mold surface, preventing damage to the mold surface.

[0035] In some embodiments of this utility model, the driving component includes a column 4 installed on one side of the workbench 2. The column 4 is connected from top to bottom to a guide column 41 and a lead screw 42. A motor 43 is provided at the top of the column 4. The output end of the motor 43 is connected to the lead screw 42. A guide block 44 is movably provided on the column body of the column 4. The guide column 41 passes through the guide block 44. The guide block 44 is threadedly connected to the lead screw 42. The guide block 44 is connected to a second motor 46 through a connecting plate 45. The second motor 46 corresponds to the center of the workbench 2.

[0036] The column 4 serves as the support structure for the drive components, providing a mounting base for the guide column 41, lead screw 42, motor 43, and guide block 44. This ensures the relative positional relationship between these components, enabling the entire drive system to operate stably. It also provides reliable support for the lifting and lowering movement of motor 46 and the grinding disc 5, guaranteeing the accuracy of the grinding disc 5's position during grinding. When motor 43 starts, the guide block 44 moves up and down under the drive of lead screw 42. The guide column 41 restricts the direction of movement of the guide block 44, ensuring it can only move linearly along the axial direction of the guide column 41. This prevents the guide block 44 from wobbling or shifting, thus ensuring the quality and efficiency of the grinding work.

[0037] Among them, motor 43 is the power source of the drive component, installed on the top of column 4. Motor 43 provides power by rotating, driving screw 42 to rotate, thereby realizing the up and down movement of guide block 44, and thus controlling the lifting and lowering of motor 46 and grinding disc 5. Connecting plate 45 is used to connect guide block 44 and motor 46. Its main function is to transmit the movement of guide block 44 to motor 46, so that motor 46 can move up and down with the lifting and lowering of guide block 44, ensuring the synchronization of the movement of motor 46 and grinding disc 5 with guide block 44.

[0038] In some embodiments of this utility model, the output end of motor 46 is connected to the top of the grinding disc 5 via an eccentric wheel 47. Motor 46 is the power source for the grinding disc 5. After motor 46 starts, its output end outputs rotational power, which is transmitted to the grinding disc 5 through the eccentric wheel 47, causing the grinding disc 5 to rotate, thereby achieving the grinding of the inner surface of the tire mold 6. The eccentric wheel 47 is connected between the output end of motor 46 and the top of the grinding disc 5. The main function of the eccentric wheel 47 is to convert the rotational motion of motor 46 into the irregular motion trajectory of the grinding disc 5. Because the center of the eccentric wheel 47 does not coincide with the rotation center, when the motor 46 drives the eccentric wheel 47 to rotate, it will cause the grinding disc 5 to produce an irregular motion that is different from the traditional circular motion. This irregular motion can better adapt to the complex surface shape of the tire mold 6, and perform more comprehensive and uniform grinding on the mold surface. This allows the grinding disc 5 to produce a more effective grinding trajectory, improves the uniformity and coverage of grinding, reduces grinding blind spots, and can better handle various defects on the surface of the tire mold 6, thereby improving the grinding quality.

[0039] In some embodiments of this utility model, a protrusion 61 is formed in the center of the inner cavity of the tire mold 6, the outer diameter of the grinding disc 5 is smaller than the inner diameter of the tire mold 6, and an avoidance groove 51 is provided at the bottom of the grinding disc 5. The protrusion 61 formed in the center of the inner cavity of the tire mold 6 is part of the mold structure. During the tire vulcanization molding process, the protrusion 61 may be used to form specific internal structures of the tire or to provide support. During the grinding process, the presence of the protrusion 61 requires the grinding equipment to be adapted to avoid damage to the protrusion 61 or affecting the grinding effect during the grinding process. The outer diameter of the grinding disc 5 is smaller than the inner diameter of the tire mold 6. This design allows the grinding disc 5 to rotate freely in the inner cavity of the tire mold 6 without interfering with the inner wall of the mold. Meanwhile, the smaller outer diameter of the grinding disc 5 allows for better grinding of various parts of the mold cavity, especially for some edge and corner areas. This improves the accessibility and effectiveness of grinding, ensures the normal operation of the grinding disc 5 in the mold cavity, avoids interference problems caused by unsuitable size, improves the comprehensiveness and effectiveness of grinding, and can better remove defects on the mold surface, thereby improving the surface quality of the mold.

[0040] It should be noted that the grinding disc 5 has a clearance groove 51 at its bottom, the main function of which is to avoid the protrusion 61 in the middle of the inner cavity of the tire mold 6. When the grinding disc 5 rotates in the inner cavity of the mold for grinding, the clearance groove 51 allows the grinding disc 5 to pass smoothly through the position of the protrusion 61 without colliding or interfering with it, ensuring the smooth progress of the grinding work, ensuring that the grinding work can be carried out continuously and stably, and improving grinding efficiency and quality.

[0041] The working principle of the grinding equipment in this solution mainly revolves around three core aspects: conveying, positioning, and grinding of the tire mold 6. The various components cooperate to achieve efficient and precise grinding of the tire mold 6, as detailed below:

[0042] ① Tire mold conveying: The conveyor belts 1 at both ends of the workbench 2 transport the tire mold 6 to the workbench 2 area. The conveying direction of the conveyor belts 1 is the same as the rolling direction of the electric rollers 23, so that the tire mold 6 can be smoothly transferred from the conveyor belts 1 to the electric rollers 23. The electric rollers 23 roll in the same direction, continuously driving the tire mold 6 to move on the workbench 2, transporting it to the vicinity of the center of the workbench 2, preparing for subsequent positioning operations. This process realizes the automatic transfer of the tire mold 6 on the workbench 2, reducing manual handling.

[0043] ② Tire mold positioning: When the tire mold 6 moves to the vicinity of the center of the workbench 2, the static pressure track 21 begins to function. The static pressure track 21 is slidably connected to the limiting member 3 via the slider 22, and multiple static pressure tracks 21 all face the center of the workbench 2. The limiting member 3 slides towards the center on the static pressure track 21. The limiting member 3 has a fan-shaped structure, and multiple limiting blocks 32 are movably arranged from top to bottom on the side facing the tire mold 6. When the limiting member 3 contacts the tire mold 6, the limiting blocks 32 will adaptively adjust according to the shape of the tire mold 6 through the elastic action of the spring column 31, tightly fitting the tire mold 6. Finally, multiple limiting members 3 stably constrain the tire mold 6 at the center of the workbench 2, achieving precise positioning. This positioning method can adapt to tire molds 6 of different shapes and specifications, enhancing the stability of positioning and the versatility of the equipment.

[0044] ③ Tire mold grinding:

[0045] Grinding disc lifting: Motor 43 in the drive unit starts, driving the lead screw 42 to rotate. Since the guide block 44 is threadedly connected to the lead screw 42, and the guide post 41 passes through the guide block 44, the guide block 44 will move up and down along the guide post 41 under the rotation of the lead screw 42. The guide block 44 is connected to motor 46 through connecting plate 45, thereby realizing the lifting and lowering movement of motor 46 and grinding disc 5. Through the control of motor 43, the grinding disc 5 can be lowered to a suitable grinding position, preparing for the grinding work.

[0046] Grinding disc movement: When the grinding disc 5 descends to the appropriate position, motor 2 46 starts. Its output end is connected to the top of the grinding disc 5 through eccentric wheel 47. Motor 2 46 drives eccentric wheel 47 to rotate, causing the grinding disc 5 to produce an irregular movement trajectory. Because the outer diameter of the grinding disc 5 is smaller than the inner diameter of the tire mold 6, and the bottom of the grinding disc 5 has an avoidance groove 51, while the inner cavity of the tire mold 6 has a protrusion 61, the avoidance groove 51 can prevent interference between the grinding disc 5 and the protrusion 61. Therefore, the grinding disc 5 can perform comprehensive and uniform grinding on the mold surface in the inner cavity of the tire mold 6, effectively removing processing marks, burrs and other defects from the mold surface. During the grinding process, the height of the grinding disc 5 can be adjusted by motor 1 43, and the rotation speed of the grinding disc 5 and the movement amplitude brought by eccentric wheel 47 can be adjusted by motor 2 46, according to the actual grinding needs, to achieve the best grinding effect.

[0047] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0048] The above description is merely an example and illustration of the present utility model. Those skilled in the art can make various modifications or additions to the specific embodiments described or use similar methods to replace them, as long as they do not deviate from the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the present utility model.

Claims

1. A tire mold surface finishing apparatus comprising a worktable, characterized by, The top of the workbench is provided with a plurality of electric rollers and static pressure tracks, the electric rollers roll in the same direction, the static pressure tracks are staggered with the electric rollers, and the plurality of static pressure tracks are all towards the center of the workbench, the static pressure tracks are slidably connected with limiters through sliding blocks, and the plurality of limiters constrain the tire mold at the center of the workbench; a lifting polishing assembly is arranged on one side of the workbench, the lifting polishing assembly comprises a driving member, a second motor and a polishing disc, the output end of the second motor is in transmission connection with the polishing disc, and the second motor and the polishing disc are driven downward by the driving member to polish the tire mold.

2. A tire mold surface dressing apparatus according to claim 1, wherein, Both ends of the workbench are provided with conveying belts, and the conveying direction of the conveying belts is the same as the rolling direction of the electric rollers.

3. A tire mold surface dressing apparatus as defined in claim 1, wherein, The top of the workbench is in a rectangular structure, and the four static pressure tracks respectively extend from the four end angles of the workbench to the center thereof.

4. A tire mold surface dressing apparatus as defined in claim 1, wherein, The limiter is in a fan-shaped structure, a plurality of limit blocks are movably arranged on the side of the limiter facing the tire mold from top to bottom, and the limit blocks are elastically connected with the inner cavity of the limiter through spring columns.

5. A tyre mould surface dressing apparatus according to claim 4, characterised in that, The limit block is in a fan-shaped structure, and the side of the limit block facing the tire mold is a curved surface.

6. A tire mold surface dressing apparatus as defined in claim 1, wherein, The driving member comprises a stand column mounted on one side of the workbench, a guide column and a lead screw are connected to the stand column from top to bottom, a first motor is arranged at the top of the stand column, the output end of the first motor is connected with the lead screw, a guide block is movably arranged on the column body of the stand column, the guide column penetrates through the guide block, and the guide block is in screw connection with the lead screw; the guide block is connected with the second motor through a connecting plate, and the second motor corresponds to the center of the workbench.

7. A tire mold surface dressing apparatus as defined in claim 1, wherein, The output end of the second motor is connected with the top of the polishing disc through an eccentric wheel.

8. A tire mold surface dressing apparatus as defined in claim 1, wherein, A convex column is formed in the middle of the inner cavity of the tire mold, the outer diameter of the polishing disc is smaller than the diameter of the inner cavity of the tire mold, and an avoiding groove is arranged at the bottom of the polishing disc.

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