A tire building machine crown belt tensioning and conveying cutting apparatus and crown belt winding building apparatus and method

Abstract

The present application relates to a kind of crown belt tension conveying cutting device of one-step tire building machine, more particularly to a kind of crown belt tension conveying cutting device of tire building machine and crown belt winding forming equipment and method.The device includes connecting plate, feeding mechanism, retreat-stop mechanism;Wherein, the feeding mechanism and retreat-stop mechanism are fixedly connected on the same side of connecting plate, the pressing mechanism is fixedly connected on the other side of connecting plate, the cutting mechanism is located at the end of connecting plate away from feeding mechanism;Crown belt is threaded through retreat-stop mechanism from the bottom of feeding mechanism, when crown belt is to be wound on the conforming drum, feeding mechanism pushes retreat-stop mechanism to move forward, wherein, crown belt passes through cutting mechanism, when crown belt is above conforming drum, pressing mechanism can carry out pressing work, after pressing is finished, each device returns to original state.The device is more simple in structure, can quickly know fault point when device is damaged, and improves the practicability of device.

Description

Technical Field

[0001] This invention relates to the field of a crown belt tension conveying and cutting device for a tire forming machine, and more particularly to a crown belt tension conveying and cutting device, crown belt winding forming equipment and method for a tire forming machine. Background Technology

[0002] The use of crown strip winding technology in tire production can give tires superior performance. The crown strip winding machine head is a device that automatically applies crown strip rubber material to a two-stage bonding drum, achieving automatic application, automatic winding, and automatic pressing of the crown strip tail onto the two-stage bonding drum. After the rubber material stops moving, the crown strip is cut manually or automatically, and the pressure roller presses the tail onto the belt layer drum.

[0003] For example, Chinese patent application number 201910375792.9 discloses a tire forming equipment and its crown strip winding head. This invention patent sets the power unit and transition plate in the waiting position, and the spring pushes the sliding seat towards the belt drum to the waiting position. The elastic pressure plate is raised, the cutter swings back to the cutter mounting frame, the pressure roller does not contact the belt drum, and the crown strip is wound normally. The entire mechanism completes the winding according to a predetermined program, and the belt drum stops rotating. Under the action of the cutter drive, the cutter swings out of the cutter mounting frame around its rotation axis, and the pressure roller contacts the belt drum. However, the existing device has the drawback of being relatively complex in structure. When the device is partially damaged, it is difficult to quickly find the fault point, and its practicality is not high. Summary of the Invention

[0004] To address the aforementioned technical problems, the present invention aims to provide a crown belt tension conveying and cutting device and a tire forming equipment. The device has a simplified structure, can automatically convey and wind the crown belt onto the bonding drum, is more convenient, has clearer and more intuitive operation, and improves practicality.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A tire forming machine crown belt tension conveying and cutting device includes a connecting plate, a feeding mechanism, a backstop mechanism, a cutting mechanism, and a pressing mechanism; the feeding mechanism, the backstop mechanism, the cutting mechanism, and the pressing mechanism are arranged sequentially from left to right on the connecting plate; the feeding mechanism and the backstop mechanism are fixedly connected to the same side of the connecting plate, the pressing mechanism is fixedly connected to the other side of the connecting plate, and the cutting mechanism is located at the end of the connecting plate away from the feeding mechanism;

[0007] The feeding mechanism includes an H-beam, a feeding cylinder, a push shaft, a guide shaft, and a fixed plate; the feeding cylinder is located in the groove portion of the H-beam, the push shaft passes through the web of the H-beam, and one end of the push shaft is slidably connected to the feeding cylinder, while the other end of the push shaft is fixedly connected to the fixed plate; the guide shaft passes laterally through the flange portion of the H-beam, and one end of the guide shaft is fixedly connected to the fixed plate.

[0008] The anti-reverse mechanism includes a connecting assembly, an anti-reverse cylinder, an anti-reverse plate, and a base plate; the anti-reverse cylinder is fixedly connected to one side of the connecting assembly, the base plate is fixedly connected to the bottom of the connecting assembly, and a gap is left between the base plate and the connecting assembly for the crown strap to pass through; the anti-reverse plate is rotatably connected to the connecting assembly, and an inclined surface is provided on the lower left end of the anti-reverse plate, the inclined surface facing the side of the feeding mechanism;

[0009] The connecting assembly includes a horizontal plate and a vertical plate. The fixing plate abuts against the vertical plate, and the anti-reverse cylinder is fixedly connected to the side of the vertical plate away from the feeding mechanism. The horizontal plate is provided with a groove, and the anti-reverse plate is rotatably connected in the groove. The bottom of the anti-reverse plate is used to abut against the crown belt, and the top of the anti-reverse plate can abut against the output shaft of the anti-reverse cylinder.

[0010] Preferably, both the horizontal plate and the bottom plate are provided with a rotating shaft.

[0011] Preferably, the horizontal plate has a centering plate fixedly connected to the end away from the vertical plate, and the centering plate has a hollowed-out area for the crown to pass through.

[0012] Preferably, the anti-reverse plate includes a rotating part and a pushing part; the pushing part abuts against the output shaft of the anti-reverse cylinder, the rotating part is hinged to the horizontal plate, and the inclined surface is located at the lower left end of the rotating part and faces the side of the feeding mechanism.

[0013] Preferably, the inclination angle of the inclined plane is 40°-50°.

[0014] Preferably, the cutting mechanism includes a secondary blade fixedly connected to the connecting plate, a main blade rotatably connected to the secondary blade, and a cutting cylinder fixedly connected to the secondary blade, wherein the cutting cylinder is rotatably connected to the main blade.

[0015] Preferably, the main blade rotates counterclockwise and has a main cutting edge in its rotation direction; the secondary blade has a secondary cutting edge on the side close to the main cutting edge.

[0016] Preferably, the pressing mechanism includes a pressing cylinder fixedly connected to one side of the connecting plate, and a pressing assembly rotatably connected to the connecting plate; wherein the pressing assembly includes a first rod, a second rod, and a roller, the pressing cylinder is rotatably connected to one end of the first rod, one end of the second rod is fixedly connected to the side of the first rod away from the pressing cylinder, and the roller is disposed on the other end of the second rod.

[0017] Furthermore, the present invention also discloses a tire crown belt winding forming equipment, which further includes a bonding drum and a crown belt tension conveying and cutting device, wherein the crown belt tension conveying and cutting device adopts the crown belt tension conveying and cutting device of the tire forming machine.

[0018] Furthermore, the present invention also discloses a method for tire crown belt winding and forming, the method employing the crown belt tension conveying and cutting device of the tire forming machine, the method comprising the following steps:

[0019] 1. Ready state: The anti-reverse mechanism locks the crown strap;

[0020] 2. Feeding status: When the crown belt is locked, the feeding mechanism conveys the crown belt head to the starting position of the crown belt winding, and the anti-locking mechanism stops locking;

[0021] 3. Pressing state: After the crown belt head is conveyed to the position, the pressing mechanism presses down to press the crown belt head against the material on the bonding drum;

[0022] 4. Winding state: After pressing is completed, the anti-locking mechanism stops locking, the feeding mechanism retracts to its original position, the bonding drum rotates, pulling the crown belt and starting the crown belt winding process;

[0023] 5. Completion status: The crown band is wrapped, the pressing mechanism presses down, and at the same time the anti-reverse mechanism locks the crown band. The cutting mechanism cuts the crown band, the pressing mechanism lifts up, and the bonding drum rotates at a certain angle to complete the wrapping of the cut crown band.

[0024] 6. Repeat the above steps.

[0025] By adopting the above-described technical solution, the present invention achieves the following effects:

[0026] 1. Compared with the prior art, this device has a simpler structure, clearer operation, and can quickly identify the fault location when the device is damaged, thus improving the device's practicality.

[0027] 2. By using a push shaft to feed the crown belt onto the mating drum, this device is less prone to damage and has better stability compared to pulleys and slide rails.

[0028] 3. By adding a rotating shaft and a U-shaped plate, the hose and belt are prevented from shifting in any position (up, down, left, or right), thus achieving a good fixing effect.

[0029] 4. By changing the upper and lower blades of the cutting mechanism to a scissor-like form, the problem of the crown not being cut can be effectively solved.

[0030] 5. By changing the crown belt needle pressing method to roller pressing, the problem of the crown belt being difficult to fix on the bonding drum can be effectively solved. Attached Figure Description

[0031] Fig. 1 A schematic diagram of the crown belt tension conveying and cutting device for a tire forming machine;

[0032] Fig. 2 This is the front view of the device;

[0033] Fig. 3 This is a cross-sectional view of the anti-reverse mechanism.

[0034] Reference numerals: 1. Connecting plate; 2. Feeding mechanism; 3. Anti-reverse mechanism; 4. Cutting mechanism; 5. Pressing mechanism; 6. Connecting assembly; 21. H-beam; 22. Feeding cylinder; 23. Push shaft; 24. Guide shaft; 25. Fixing plate; 30. Anti-reverse cylinder; 31. Anti-reverse plate; 32. Base plate; 33. Horizontal plate; 34. Vertical plate; 35. Rotating shaft; 36. Centering plate; 37. Rotating part; 38. Pushing part; 39. Inclined surface; 41. Secondary blade; 42. Main blade; 43. Cutting cylinder; 44. Main blade; 45. Secondary blade; 51. Pressing cylinder; 52. Pressing assembly; 53. First rod; 54. Second rod; 55. Roller. Detailed Implementation

[0035] The specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0036] like Figs. 1 to 3 As shown, a tire forming machine crown belt tension conveying and cutting device includes a connecting plate 1, a feeding mechanism 2, a backstop mechanism 3, a cutting mechanism 4, and a pressing mechanism 5. The feeding mechanism 2, the backstop mechanism 3, the cutting mechanism 4, and the pressing mechanism 5 are arranged sequentially from left to right on the connecting plate. The feeding mechanism 2 and the backstop mechanism 3 are fixedly connected to the same side of the connecting plate 1, the pressing mechanism 5 is fixedly connected to the other side of the connecting plate 1, and the cutting mechanism 4 is located at the end of the connecting plate 1 away from the feeding mechanism 2.

[0037] The feeding mechanism 2 includes an H-beam 21, a feeding cylinder 22, a push shaft 23, a guide shaft 24, and a fixing plate 25. The feeding cylinder 22 is disposed in the groove portion of the H-beam 21. The push shaft 23 passes through the web of the H-beam 21, and one end of the push shaft 23 is slidably connected to the feeding cylinder 22, while the other end of the push shaft 23 is fixedly connected to the fixing plate 25. The guide shaft 24 passes laterally through the flange portion of the H-beam 21, and one end of the guide shaft 24 is fixedly connected to the fixing plate 25.

[0038] The anti-reverse mechanism 3 includes a connecting assembly 6, an anti-reverse cylinder 30, an anti-reverse plate 31, and a base plate 32; the anti-reverse cylinder 30 is fixedly connected to one side of the connecting assembly 6, the anti-reverse plate 31 is rotatably connected to the connecting assembly 6, the base plate 32 is fixedly connected to the bottom of the connecting assembly 6, and a gap is left between the base plate 32 and the connecting assembly 6 for the crown strap to pass through.

[0039] The connecting assembly 6 includes a horizontal plate 33 and a vertical plate 34. The fixing plate 25 abuts against the vertical plate 34, and the anti-reverse cylinder 30 is fixedly connected to the side of the vertical plate 34 away from the feeding mechanism 2. The horizontal plate 33 is provided with a groove, and the anti-reverse plate 31 is rotatably connected in the groove. The bottom of the anti-reverse plate 31 is used to abut against the crown belt, and the top of the anti-reverse plate 31 can abut against the output shaft of the anti-reverse cylinder 30.

[0040] Specifically, the H-beam 21 is arranged in an I-shape and fixed to one side edge of the connecting plate 1 with nuts. It can also be fixed here with bolts or other fixing methods. Then, the feeding cylinder 22 is fixed deep in the groove of the H-beam 21. When the feeding cylinder 22 operates, it pushes the push shaft 23 that passes through the middle of the H-beam 21. Since one end of the push shaft 23 abuts against the vertical plate 34 of the anti-reverse mechanism 3, the anti-reverse mechanism 3 will perform a forward feeding operation when the feeding cylinder 22 operates.

[0041] The guide shaft 24 on the feeding mechanism 2 plays a guiding role on the equipment, preventing the anti-reverse mechanism 3 from being pushed off its original path by the push rod. The guide shaft 24 is fixedly connected to the vertical plate 34 and passes laterally through the flange of the H-beam 21. A guide shaft 24 is provided on both the upper and lower flanges of the H-beam 21.

[0042] The feeding mechanism 2 includes a fixed horizontal plate 33, a vertical plate 34, and a base plate 32. When the feeding mechanism 2 pushes the mechanism, these three components are pushed together. A rotatably connected stop plate 31 is provided in the middle of the horizontal plate 33. The bottom of the stop plate 31 abuts against the base plate 32, and the top of the stop plate 31 is on the same horizontal line as the stop cylinder 30. When feeding is not required, the stop cylinder 30 is activated, pushing the stop plate 31 to rotate clockwise. When it rotates to a certain angle, the stop plate 31 abuts against the base plate 32, thus preventing the crown belt from being transported. The stop cylinder 30 is located at the bottom of the vertical plate 34, on the opposite side of the contact surface between the push rod and the vertical plate 34.

[0043] The horizontal plate 33 is also equipped with a rotating shaft 35 and a centering plate 36 on the right side of the anti-reverse plate 31. The rotating shafts 35 are located at both the top and bottom on the right side of the anti-reverse plate 31 to provide lateral positioning for the crown band. Then, the centering plate 36 is fixedly connected to the horizontal plate 33 on the right side of the rotating shafts 35 or on the end of the horizontal plate 33 away from the vertical plate 34. This centering plate 36 provides vertical positioning for the crown band, which passes through it. Because the centering plate 36 needs to allow the crown band to pass through and also provide positioning, it is a U-shaped plate with a hollowed-out bottom or a plate with a hollowed-out middle section.

[0044] Furthermore, the anti-reverse plate 31 includes a rotating part 37 rotatably connected to the horizontal plate 33 and a pushing part 38 located at the same level as the anti-reverse cylinder 30. The lower left end of the rotating part 37 is provided with an inclined surface 39. The roller is located on the other end of the second rod. The inclined surface 39 faces the feeding mechanism 2, and the inclination angle of the inclined surface 39 is 40°-50°.

[0045] Specifically, by setting an inclined plane 39 facing the feeding mechanism 2 with an inclination angle of 40°-50°, the anti-reverse plate 31 can be rotated counterclockwise when the crown belt is wrapped, making it easier for the crown belt to pass through. At this time, the anti-reverse cylinder 30 does not operate.

[0046] Specifically, the cutting mechanism 4 includes a secondary blade 41 fixedly connected to the connecting plate 1, a main blade 42 rotatably connected to the secondary blade 41, and a cutting cylinder 43 fixedly connected to the secondary blade 41, wherein the cutting cylinder 43 is rotatably connected to the main blade 42. The main blade 42 rotates counterclockwise and has a main blade 44 in its rotation direction; the secondary blade 41 has a secondary blade 45 on the side near the main blade 44. By changing the upper and lower blades of the cutting mechanism 4 to a scissor-like form, the problem of not being able to cut the crown strap can be effectively solved.

[0047] The pressing mechanism 5 includes a pressing cylinder 51 fixedly connected to one side of the connecting plate 1, and a pressing assembly 52 rotatably connected to the connecting plate 1. The pressing assembly 52 includes a first rod 53, a second rod 54, and a roller 55. The pressing cylinder 51 is rotatably connected to one end of the first rod 53, one end of the second rod 54 is fixedly connected to the side of the first rod 53 away from the pressing cylinder 51, and the roller 55 is located on the other end of the second rod 54. By changing the pressing method of the crown band needle to the pressing method of the roller 55, the problem of the crown band being difficult to fix on the bonding drum can be effectively solved. The roller 55 only performs a pressing operation when the crown band head and tail need to be bonded, and the roller 55 lifts up after bonding is completed.

[0048] Specific work steps:

[0049] S1, Ready state: The anti-reverse mechanism 3 locks the crown strap;

[0050] S2, Feeding state: When the crown belt is locked, the feeding mechanism 2 feeds the crown belt head to the starting position of the crown belt winding, and the anti-locking mechanism 3 stops locking;

[0051] S3, Pressing state: After the crown head is delivered to the position, the pressing mechanism 5 presses down to press the crown head against the material on the bonding drum;

[0052] S4. Winding state: Pressing is completed, the anti-locking mechanism 3 stops locking, the feeding mechanism 2 retracts to its original position, the bonding drum rotates, pulling the crown belt and starting the crown belt winding;

[0053] S5. Completed state: The crown band is wrapped, the pressing mechanism 5 presses down, and at the same time the anti-reverse mechanism locks the crown band. The cutting mechanism 4 cuts the crown band, the pressing mechanism 5 is lifted, and the fitting drum rotates at a certain angle to complete the wrapping of the cut crown band.

[0054] S6. Repeat the above steps.

[0055] The foregoing description of embodiments of the present invention, through which those skilled in the art are able to implement or use the present invention, will be readily apparent to those skilled in the art. Various modifications to these embodiments will be readily apparent to those skilled in the art. The general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novelty disclosed herein.

Claims

1. A crown belt tension conveying and cutting device for a tire forming machine, characterized in that, The device includes a connecting plate (1), a feeding mechanism (2), a backstop mechanism (3), a cutting mechanism (4), and a pressing mechanism (5); the feeding mechanism (2), the backstop mechanism (3), the cutting mechanism (4), and the pressing mechanism (5) are arranged on the connecting plate from left to right; the feeding mechanism (2) and the backstop mechanism (3) are fixedly connected to the same side of the connecting plate (1), the pressing mechanism (5) is fixedly connected to the other side of the connecting plate (1), and the cutting mechanism (4) is located at the end of the connecting plate (1) away from the feeding mechanism (2); The feeding mechanism (2) includes an H-beam (21), a feeding cylinder (22), a push shaft (23), a guide shaft (24), and a fixing plate (25); the H-beam (21) is fixedly connected to the connecting plate (1), the feeding cylinder (22) is located in the groove of the H-beam (21), the push shaft (23) passes through the web of the H-beam (21), and one end of the push shaft (23) is slidably connected to the feeding cylinder (22), and the other end of the push shaft (23) is fixedly connected to the fixing plate (25); The guide shaft (24) is transversely inserted through the flange portion of the H-beam (21), and one end of the guide shaft (24) is fixedly connected to the fixing plate (25); the anti-reverse mechanism (3) includes a connecting assembly (6), an anti-reverse cylinder (30), an anti-reverse plate (31), and a base plate (32); the anti-reverse cylinder (30) is fixedly connected to one side of the connecting assembly (6), the base plate (32) is fixedly connected to the bottom of the connecting assembly (6), and the base plate (32) and the connecting assembly (6) are connected to each other. A gap is left between them for the crown strap to pass through; the anti-reverse plate (31) is rotatably connected to the connecting assembly (6), and the lower left end of the anti-reverse plate (31) is provided with an inclined surface (39), which faces the side of the feeding mechanism (2); wherein, the connecting assembly (6) includes a horizontal plate (33) and a vertical plate (34), the fixing plate (25) abuts against the vertical plate (34), and the anti-reverse cylinder (30) is fixedly connected to the side of the vertical plate (34) away from the feeding mechanism (2); The horizontal plate (33) is provided with a groove, the anti-reverse plate (31) is rotatably connected in the groove, and the bottom of the anti-reverse plate (31) is used to abut against the crown belt, and the top of the anti-reverse plate (31) can abut against the output shaft of the anti-reverse cylinder (30). Both the horizontal plate (33) and the bottom plate (32) are provided with rotating shafts (35); the horizontal plate (33) is provided with a centering plate (36) fixedly connected at one end away from the vertical plate (34), and the centering plate (36) is provided with a hollowed-out area for the crown to pass through; the anti-reverse plate (31) includes a rotating part (37) and a pushing part (38); the pushing part (38) can abut against the output shaft of the anti-reverse cylinder (30), the rotating part (37) is hinged to the horizontal plate (33), and the inclined surface (39) is provided at the lower left end of the rotating part (37) and faces the side of the feeding mechanism (2); the inclined surface (39) has an inclination angle of 40°-50°.

2. The tire forming machine crown belt tension conveying and cutting device according to claim 1, characterized in that, The cutting mechanism (4) includes a secondary blade (41) fixedly connected to the connecting plate (1), a main blade (42) rotatably connected to the secondary blade (41), and a cutting cylinder (43) fixedly connected to the secondary blade (41), wherein the cutting cylinder (43) is rotatably connected to the main blade (42).

3. The tire forming machine crown belt tension conveying and cutting device according to claim 2, characterized in that, The main blade (42) rotates counterclockwise and has a main blade (44) in its rotation direction; the secondary blade (41) has a secondary blade (45) on the side close to the main blade (44).

4. The tire forming machine crown belt tension conveying and cutting device according to claim 1, characterized in that, The pressing mechanism (5) includes a pressing cylinder (51) fixedly connected to one side of the connecting plate (1) and a pressing assembly (52) rotatably connected to the connecting plate (1); wherein the pressing assembly (52) includes a first rod (53), a second rod (54), and a roller (55), the pressing cylinder (51) is rotatably connected to one end of the first rod (53), one end of the second rod (54) is fixedly connected to the side of the first rod (53) away from the pressing cylinder (51), and the roller (55) is disposed on the other end of the second rod (54).

5. A tire crown belt winding forming device, characterized in that, The equipment also includes a bonding drum and a crown belt tension conveying and cutting device, wherein the crown belt tension conveying and cutting device is the crown belt tension conveying and cutting device of any one of claims 1-4.

6. A method for winding and forming a tire crown belt, characterized in that, This method employs the tire forming machine crown belt tension conveying and cutting device as described in any one of claims 1-4, and includes the following steps: S1, Ready state: The anti-reverse mechanism (3) locks the crown strap; S2, feeding state: When the crown belt is locked, the feeding mechanism (2) feeds the crown belt head to the starting position of the crown belt winding, and the anti-locking mechanism (3) stops locking; S3, Pressing state: After the crown head is delivered to the position, the pressing mechanism (5) presses down to press the crown head against the material on the bonding drum; S4, Winding state: Pressing is completed, the anti-locking mechanism (3) stops locking, the feeding mechanism (2) returns to its original position, the bonding drum rotates, pulling the crown belt and starting the crown belt winding; S5. Completed state: The crown band is wrapped, the pressing mechanism (5) presses down, and at the same time the anti-reverse mechanism locks the crown band. The cutting mechanism (4) cuts the crown band, the pressing mechanism (5) lifts up, and the fitting drum rotates at a certain angle to wrap the cut crown band. S6. Repeat the above steps.

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