Engineering tire inner tube retreading device

Abstract

The utility model discloses an engineering tire inner tube retreading device which comprises a supporting frame, a driving roller arranged on the supporting frame, an anti-slip mechanism arranged on the supporting frame, a driven roller arranged on the supporting frame and a belt tensioning mechanism arranged on the supporting frame. A flanging supporting plate mechanism is arranged on the supporting frame, a flanging guide roller is arranged on the flanging supporting plate mechanism, a flat belt is arranged on the driving roller and the driven roller jointly, an upper guide roller is arranged on the supporting frame, a first pressing roller support is arranged on the supporting frame, and a second pressing roller support is arranged on the supporting frame. A linear guide rail pair is arranged on the supporting frame, and a hand wheel is arranged on the supporting frame. The utility model relates to an engineering tire inner tube retreading device which has the characteristics of simple structure, high precision, stable and reliable overall performance, convenience in adjustment and maintenance, high safety and difficulty in loosening and slipping of a belt.

Description

Technical Field

[0001] This utility model belongs to the technical field of tire turning devices, specifically a tire turning device for engineering inner tubes. Background Technology

[0002] In the tire manufacturing process, the inner tubes of engineering tires have traditionally been manually flipped by employees before vulcanization, a time-consuming, labor-intensive, and demanding process. With rising labor costs, the tire industry has continuously developed automation to alleviate some of the traditional manual operations, leading to the development of tire flipping devices. For example, utility model patent CN221661855U discloses a tire flipping device that can quickly flip tires. It features a simple structure and low operating costs. The device includes a belt conveyor with columns on both sides and a crossbeam connecting the columns. A fan-shaped bracket is mounted on the end of the crossbeam via a first rotating shaft, and a first roller arranged in an arc shape is mounted on the fan-shaped bracket. Below the crossbeam, a flipping frame is hinged to the column, and a second roller is mounted on the flipping frame. Above the crossbeam, a first cylinder and a second cylinder are mounted on the column to drive the fan-shaped bracket and flipping frame to flip. However, the belt in this device can loosen over time, affecting its efficiency. Therefore, improvements are needed. Utility Model Content

[0003] The purpose of this invention is to provide an engineering tire inner tube tumbling device to solve the above-mentioned problems, thereby resolving the issues mentioned in the background art.

[0004] To address the above problems, this utility model provides a technical solution:

[0005] A tire retreading device for engineering inner tubes includes a support frame, a drive roller mounted on the support frame, an anti-slip mechanism mounted on the support frame, a driven roller mounted on the support frame, a belt tensioning mechanism mounted on the support frame, a flange support plate mechanism mounted on the support frame, a flange guide roller mounted on the flange support plate mechanism, a flat belt shared by the drive roller and the driven roller, an upper guide roller mounted on the support frame, a first pressure roller bracket mounted on the support frame, a linear guide pair mounted on the support frame, and a... The system includes a handwheel, and the following cylinders are mounted on the support frame: cylinder I, cylinder II, cylinder III, cylinder IV, a swing arm, a cylinder seat slide, a tension roller, a lead screw and nut pair, a pressure roller bracket, a connecting rod, a button box, a PLC control cabinet, and a motor reducer unit.

[0006] Preferably, the anti-slip mechanism includes a support plate and a bidirectional screw. The support plate is fixedly connected to the surface of the support frame. The screw is installed inside the support plate via a bearing. A square tube is threadedly connected to the outside of the screw. A bracket is slidably connected to the outside of the square tube. A baffle is fixedly connected to the upper end of the square tube. A spring is provided on the outside of the square tube. A support shaft is rotatably connected inside the bracket. A pressure roller is fixedly connected to the end of the support shaft. The pressure roller is slidably connected to a flat belt. Two slide cylinders are movably connected to the outside of the bidirectional screw. A support sleeve is installed on the outside of the support shaft via a bearing. One slide cylinder is fixedly connected to the support sleeve. A slide plate is slidably connected inside the bracket. The other slide cylinder is fixedly connected to the slide plate. A top plate is fixedly connected to the surface of the slide plate. The top plate is slidably connected to the bracket. A pressure plate is threadedly connected to the outside of the bidirectional screw. The pressure plate is slidably connected to the slide cylinder. A compression spring is provided on the outside of the bidirectional screw. By rotating the screw and square tube to make a threaded motion, the baffle is pressed down elastically by the spring, which in turn allows the pressure roller to elastically tension the flat belt. This prevents the flat belt from becoming loose and affecting the processing efficiency of the device, while also preventing excessive tension from causing the flat belt to break. At the same time, rotating the bidirectional screw and pressure plate to make a threaded motion causes the pressure spring to press the slide cylinder tightly, which in turn causes the scraper to be squeezed onto the surface of the flat belt to clean the surface of the flat belt and prevent the surface of the flat belt from adhering to the surface of the flat belt and affecting the use of the device.

[0007] Preferably, a guide rod is fixedly connected to the lower end of the bracket, and a guide cylinder is fixedly connected inside the support plate. The guide cylinder and the guide rod are slidably connected. By setting the guide rod and the guide cylinder in cooperation, the movement of the bracket is guided.

[0008] Preferably, one end of the spring is fixedly connected to the baffle, and the other end of the spring is fixedly connected to the bracket. By setting the spring, the bracket is elastically compressed.

[0009] Preferably, a turntable is fixedly connected to the outer side of the middle of the bidirectional screw, and a limit block is fixedly connected to the surface of the bracket, with the limit block and the turntable slidably connected. By setting the limit block and the turntable to cooperate, the bidirectional screw is prevented from moving erratically.

[0010] Preferably, a scraper is fixedly connected to the surface of the top plate, and the scraper is slidably connected to the flat belt. The scraper cleans the flat belt by scraping it.

[0011] Preferably, a sliding pin is fixedly connected to the surface of the pressure plate, and the sliding pin is slidably connected to the slide cylinder. The sliding pin guides the movement of the pressure plate.

[0012] Preferably, one end of the compression spring is fixedly connected to the pressure plate, and the other end of the compression spring is fixedly connected to the slide cylinder. By setting the compression spring, the slide cylinder is elastically compressed.

[0013] The beneficial effects of this utility model are as follows: This utility model relates to an engineering tire inner tube retreading device, which has the characteristics of simple structure, high precision, stable and reliable overall performance, convenient adjustment and maintenance, high safety, and belt that is not easy to loosen or slip. In specific use, compared with the traditional engineering tire inner tube retreading device, this engineering tire inner tube retreading device has the following beneficial effects:

[0014] First, by using a cylinder to drive the flipping roller, the manual tire flipping process is simulated. The upper flipping roller is used for pressing and positioning, which helps the inner tube maintain its shape after flipping and avoids rebound or unfolding. Combined with the stepless speed control of the frequency converter, it can meet the flipping of inner tubes of various specifications. It has the advantages of simple structure, high precision, stable and reliable overall performance, convenient adjustment and maintenance, and high safety. It can also be used in a certain diameter range, reducing tooling costs.

[0015] Secondly, by rotating the screw and square tube to make a threaded motion, the baffle is pressed down elastically by the spring, which in turn allows the pressure roller to elastically tension the flat belt. This prevents the flat belt from becoming loose and affecting the processing efficiency of the device, while also preventing excessive tension from causing the flat belt to break. At the same time, rotating the bidirectional screw and pressure plate to make a threaded motion causes the compression spring to press the slide cylinder tightly, which in turn causes the scraper to be squeezed onto the surface of the flat belt to clean the surface of the flat belt and prevent debris from adhering to the surface of the flat belt and affecting the use of the device. Attached Figure Description

[0016] For ease of explanation, this utility model is described in detail below with reference to the specific embodiments and accompanying drawings.

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 For the present utility model Figure 1 The right view of the partial structure;

[0019] Figure 3 For the present utility model Figure 1 Front view of a flat belt;

[0020] Figure 4 For the present utility model Figure 3 Left sectional view of the partial structure;

[0021] Figure 5 For the present utility model Figure 4 Enlarged view of point A in the image;

[0022] Figure 6 For the present utility model Figure 4 A cross-sectional view of the sliding cylinder.

[0023] In the diagram: 1. Support frame; 2. Driven roller; 3. Anti-slip mechanism; 4. Driven roller; 5. Belt tensioning mechanism; 6. Flanging support plate mechanism; 7. Flanging guide roller; 8. Flat belt; 9. Upper guide roller; 10. First pressure roller bracket; 11. Linear guide pair; 12. Handwheel; 13. Cylinder I; 14. Cylinder II; 15. Cylinder III; 16. Cylinder IV; 17. Swing arm; 18. Cylinder seat slide; 19. Tensioning roller; 20. Screw and nut pair; 21. Pressure roller bracket; 22. Connecting rod; 23. Button box; 24. PLC control cabinet; 25. Motor reducer unit; 31. Support plate; 32. Screw; 33. Square tube; 34. Bracket; 35. Guide rod; 36. Guide cylinder; 37. Baffle; 38. Spring; 39. Pressure roller; 310. Support shaft; 311. Bidirectional screw; 312. Turntable; 313. Limit block; 314. Slide cylinder; 315. Support sleeve; 316. Slide plate; 317. Top plate; 318. Scraper; 319. Pressure plate; 320. Sliding pin; 321. Compression spring. Detailed implementation method:

[0024] like Figure 1-6 As shown, the specific implementation adopts the following technical solution:

[0025] Example:

[0026] A tire retreading device for engineering inner tubes includes a support frame 1, a drive roller 2 mounted on the support frame 1, an anti-slip mechanism 3 mounted on the support frame 1, a driven roller 4 mounted on the support frame 1, a belt tensioning mechanism 5 mounted on the support frame 1, a flange support plate mechanism 6 mounted on the support frame 1, a flange guide roller 7 mounted on the flange support plate mechanism 6, a flat belt 8 shared by the drive roller 2 and the driven roller 4, an upper guide roller 9 mounted on the support frame 1, a first pressure roller bracket 10 mounted on the support frame 1, a linear guide pair 11 mounted on the support frame 1, and a handwheel 12 mounted on the support frame 1. The support frame 1 is equipped with cylinder I 13, cylinder II 14, cylinder III 15, cylinder IV 16, swing arm 17, cylinder seat slide 18, tension roller 19, lead screw and nut pair 20, pressure roller bracket 21, connecting rod 22, button box 23, PLC control cabinet 24, and motor reducer unit 25.

[0027] The anti-slip mechanism 3 includes a support plate 31 and a bidirectional screw 311. The support plate 31 is fixedly connected to the surface of the support frame 1. The screw 32 is installed inside the support plate 31 through a bearing. The outer side of the screw 32 is connected to a square tube 33 through a thread. The outer side of the square tube 33 is slidably connected to a bracket 34. The lower end of the bracket 34 is fixedly connected to a guide rod 35. The inside of the support plate 31 is fixedly connected to a guide tube 36. The guide tube 36 and the guide rod 35 are slidably connected. By setting the guide rod 35 and the guide tube 36 to cooperate, the movement of the bracket 34 is guided. The upper end of the square tube 33 is fixedly connected to a baffle 37. A spring 38 is set on the outer side of the square tube 33. One end of the spring 38 is fixedly connected to the baffle 37, and the other end of the spring 38 is fixedly connected to the bracket 34. By setting the spring 38, the bracket 34 is elastically compressed.

[0028] The bracket 34 has a support shaft 310 internally rotatably connected to its interior. A pressure roller 39 is fixedly connected to the end of the support shaft 310. The pressure roller 39 is slidably connected to a flat belt 8. A turntable 312 is fixedly connected to the outer side of the middle of the bidirectional screw 311. A limit block 313 is fixedly connected to the surface of the bracket 34. The limit block 313 and the turntable 312 are slidably connected. By setting the limit block 313 and the turntable 312 in cooperation, the bidirectional screw 311 is prevented from moving. Two sliding cylinders 314 are movably connected to the outer side of the bidirectional screw 311. The outer side of the support shaft 310... A support sleeve 315 is mounted via a bearing. One slide cylinder 314 is fixedly connected to the support sleeve 315. A slide plate 316 is slidably connected inside the bracket 34. Another slide cylinder 314 is fixedly connected to the slide plate 316. A top plate 317 is fixedly connected to the surface of the slide plate 316. The top plate 317 is slidably connected to the bracket 34. A scraper 318 is fixedly connected to the surface of the top plate 317. The scraper 318 is slidably connected to the flat belt 8. By setting the scraper 318, the flat belt 8 is scraped and cleaned. The outer side of the bidirectional screw 311 is connected by a thread. A pressure plate 319 is slidably connected to a slide cylinder 314. A sliding pin 320 is fixedly connected to the surface of the pressure plate 319, and the sliding pin 320 is slidably connected to the slide cylinder 314. The sliding pin 320 guides the movement of the pressure plate 319. A compression spring 321 is provided on the outer side of the bidirectional screw 311. One end of the compression spring 321 is fixedly connected to the pressure plate 319, and the other end of the compression spring 321 is fixedly connected to the slide cylinder 314. By providing the compression spring 321, the slide cylinder 314 is elastically compressed. By rotating the screw 321 and the square cylinder 33, a threaded movement is achieved. The movement causes the baffle 37 to elastically press down the bracket 34 via the spring 38, which in turn causes the pressure roller 39 to elastically tension the flat belt 8. This prevents the flat belt 8 from becoming loose and affecting the processing efficiency of the device, while also preventing excessive tension from causing the flat belt 8 to break or be damaged. At the same time, the rotation of the bidirectional screw 311 and the pressure plate 319 causes the pressure spring 321 to press the slide cylinder 314 tightly, which in turn causes the scraper 318 to be pressed against the surface of the flat belt 8 to clean the surface of the flat belt 8 and prevent debris from adhering to the surface of the flat belt 8 and affecting the use of the device.

[0029] The operation of this utility model is as follows: The operator places the inner tube onto the driving roller 2, the driven roller 4, and the flat belt 8, manually adjusts it to be level, and manually operates the button box 23 to activate the cylinder III 15. This causes the swing arm 17 and the tension roller 19 to tighten the inner tube. Under the action of the cylinder II 14, the four upper guide rollers 9 move downwards to press down on the positioning point of the inner tube. Under the action of the four sets of cylinders I 13, the four flanging guide rollers 7 fold the edge of the inner tube to a certain position. By adjusting the fixed position of the cylinder I 13 in the cylinder seat slide 18 and the magnetic limit switch of the cylinder itself, the folding angle is adjusted. Under the shaping of the upper guide rollers 9 and the flanging guide rollers 7, the edge of the inner tube maintains a state of folding up on both sides. The motor reducer 25 drives the drive roller 2 to rotate the flat belt 8 one revolution. Under the action of the auxiliary roller, the edge of the inner tube is completely flipped up with the flat belt 8, completing the flipping. Under the action of the cylinder IV 16, the upper guide roller 9 pushes the connecting rod 22 to make the first pressure roller bracket 10 close to the center under the guidance of the linear guide pair 11. Then, under the action of the cylinder II 14, it is pulled up and retracted as a whole. The soft inner tube will be separated from the upper guide roller 9. The cylinder I 13 pulls back the flipping guide roller 7, and the cylinder III 15 pulls back the lower auxiliary support roller. All cylinders return to their initial state. The operator removes the inner tube that has been flipped from the device, completing one flipping operation of the device.

[0030] The position of the lower swing arm 17 can be manually adjusted. The swing arm 17 of this device is designed with a combination of cylinders III 15. Under the joint action of cylinders III 15, the inner tubes of different specifications are tightened. The frequency converter and PLC control motor reducer 25 in the PLC control cabinet 24 can adjust the belt rotation speed. The handwheel 12 can adjust the opening and closing position of the flanging support plate mechanism 6 by adjusting the screw nut pair 20. The flanging guide roller 7 is connected to the flanging support plate mechanism 6 through the hinge pin. The flanging guide roller 7 changes with the position of the flanging support plate mechanism 6 to meet the width requirements of different specifications of inner tubes. At the same time, the double ear ring support of the four cylinders I 13 can be adjusted on the bolt groove of the cylinder seat slide 18. Combined with the magnetic limit switch of the cylinder I 13 itself, the flipping angle can be adjusted. After the flanging is completed, the PLC in the PLC control cabinet 24 controls the solenoid valves of each cylinder and the automatic start and stop of the rotary motor to minimize manual operation.

[0031] During the rotation of the flat belt 8, the screw 32 is manually rotated. The rotation of the screw 32 and the square tube 33 create a threaded motion, which in turn causes the square tube 33 to move. The square tube 33 drives the baffle 37 to move, and the baffle 37 compresses the spring 38. This causes the spring 38 to elastically press down on the bracket 34, which in turn causes the bracket 34 to move down on the pressure roller 39. This allows the pressure roller 39 to elastically tension the flat belt 8, preventing the flat belt 8 from becoming slack and affecting the processing efficiency of the device, while also preventing excessive tension from causing the flat belt 8 to break. Then, the bidirectional screw 31 is manually rotated. 1. The rotation of the bidirectional screw 311 and the threaded movement of the pressure plate 319 cause the distance between the two pressure plates 319 to change. This causes the pressure plate 319 to compress the spring 321, which in turn compresses the slide cylinder 314. Consequently, the slide cylinder 314 causes the distance between the support shaft 310 and the slide plate 316 to change. The slide plate 316 then moves the top plate 317, which in turn moves the scraper 318. This causes the scraper 318 to be pressed against the surface of the flat belt 8, cleaning the surface of the flat belt 8 and preventing debris from adhering to the surface of the flat belt 8 from affecting the use of the device.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications may be made to this utility model without departing from its spirit and scope. All such changes and modifications fall within the scope of protection of this utility model as defined by the appended claims and their equivalents.

Claims

1. A tire retreading device for engineering inner tubes, comprising a support frame (1), characterized in that: The support frame (1) is provided with an active roller (2), an anti-slip mechanism (3), a driven roller (4), a belt tensioning mechanism (5), a flange support plate mechanism (6), a flange guide roller (7), a flat belt (8) on both the active roller (2) and the driven roller (4), an upper guide roller (9), a first pressure roller bracket (10), a linear guide rail pair (11), a handwheel (12), and a cylinder. I (13), cylinder II (14) is provided on the support frame (1), cylinder III (15) is provided on the support frame (1), cylinder IV (16) is provided on the support frame (1), swing arm (17) is provided on the support frame (1), cylinder seat slide (18) is provided on the support frame (1), tension roller (19) is provided on the support frame (1), lead screw nut pair (20) is provided on the support frame (1), pressure roller bracket (21) is provided on the support frame (1), connecting rod (22) is provided on the support frame (1), button box (23) is provided on the support frame (1), PLC control cabinet (24) is provided on the support frame (1), and motor reducer unit (25) is provided on the PLC control cabinet (24).

2. The engineering tire inner tube retreading device according to claim 1, characterized in that: The anti-slip mechanism (3) includes a support plate (31) and a bidirectional screw (311). The support plate (31) is fixedly connected to the surface of the support frame (1). A screw (32) is installed inside the support plate (31) through a bearing. A square tube (33) is threadedly connected to the outside of the screw (32). A bracket (34) is slidably connected to the outside of the square tube (33). A baffle (37) is fixedly connected to the upper end of the square tube (33). A spring (38) is provided on the outside of the square tube (33). A support shaft (310) is rotatably connected inside the bracket (34). A pressure roller (39) is fixedly connected to the end of the support shaft (310). The pressure roller (39) is slidably connected to the flat belt (8). The bidirectional screw... Two slide cylinders (314) are movably connected to the outside of (311). A support sleeve (315) is installed on the outside of the support shaft (310) through a bearing. One of the slide cylinders (314) and the support sleeve (315) are fixedly connected. A slide plate (316) is slidably connected inside the bracket (34). The other slide cylinder (314) and the slide plate (316) are fixedly connected. A top plate (317) is fixedly connected to the surface of the slide plate (316). The top plate (317) and the bracket (34) are slidably connected. A pressure plate (319) is threadedly connected to the outside of the bidirectional screw (311). The pressure plate (319) and the slide cylinder (314) are slidably connected. A compression spring (321) is provided on the outside of the bidirectional screw (311).

3. The engineering tire inner tube retreading device according to claim 2, characterized in that: The lower end of the bracket (34) is fixedly connected to a guide rod (35), and the inside of the support plate (31) is fixedly connected to a guide cylinder (36). The guide cylinder (36) and the guide rod (35) are slidably connected.

4. The engineering tire inner tube retreading device according to claim 2, characterized in that: One end of the spring (38) is fixedly connected to the baffle (37), and the other end of the spring (38) is fixedly connected to the bracket (34).

5. The engineering tire inner tube retreading device according to claim 2, characterized in that: A turntable (312) is fixedly connected to the outer side of the middle part of the bidirectional screw (311), and a limiting block (313) is fixedly connected to the surface of the bracket (34). The limiting block (313) and the turntable (312) are slidably connected.

6. The engineering tire inner tube retreading device according to claim 2, characterized in that: A scraper (318) is fixedly connected to the surface of the top plate (317), and the scraper (318) is slidably connected to the flat belt (8).

7. The engineering tire inner tube retreading device according to claim 2, characterized in that: The surface of the pressure plate (319) is fixedly connected to a sliding pin (320), and the sliding pin (320) and the slide cylinder (314) are slidably connected.

8. The engineering tire inner tube retreading device according to claim 2, characterized in that: One end of the compression spring (321) is fixedly connected to the pressure plate (319), and the other end of the compression spring (321) is fixedly connected to the slide cylinder (314).

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