Production line for thermally pasting apex strip on steel wire ring of oblique crossing engineering tire
By designing the production line of heat-stick triangle rubber strips for oblique engineering tire wire rings, the direct hot-stick triangle rubber strips on the wire rings and combined with the cloth, the quality defects caused by the displacement of the triangle rubber strips are solved, and the performance and use of the tires are improved. life.
Patent Information
- Application Number
- CN202420415917.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-04
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-03-04
AI Technical Summary
During the production process of oblique engineering tires, the cold bonding of the triangle rubber strips and the steel wire rings is not solid, which leads to the easy displacement of the triangle rubber strips when used, resulting in the quality defect of bulging and delamination.
A production line for hot-patch triangle rubber strips for oblique engineering tire wire rings is designed, which is directly extruded and hot-patched on the steel wire rings through the triangle rubber strip extruder, and is closely combined with the cloth to avoid the parking of the triangle rubber strips.
The close combination of triangle rubber strips and steel wire rings is achieved, the quality defects caused by the displacement of triangle rubber strips are solved, and the service life and performance of the tire are improved.
Smart Images
Figure CN222495519U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of tire production equipment, and in particular to a production line for hot-sticking triangle rubber strips on wire rings of bias engineering tires. Background Art
[0002] Bias engineering tires are tires installed on large engineering vehicles such as dump trucks, bulldozers or loaders. The specifications of bias engineering tires are 36.00-51, and the diameter can reach 3.233 meters; the specifications of bias engineering tires have reached 40.00-57. Different from load-carrying radial tires and passenger car tires, bias engineering tires have large specifications and slow speeds. They face extremely harsh working conditions and have high requirements for self-cleaning, load-bearing, puncture resistance and heat dissipation. Their formula, structure, preparation method, specifications and models are completely different from those of load-carrying radial tires and passenger car tires.
[0003] In the production process of bias engineering tires, the operation of the wire bead forming process is as follows: after the extruder extrudes the triangle rubber strips in batches, the workshop staff will place the triangle rubber strips in a storage vehicle in isolation, and then transport the storage vehicle to the storage area for 2 to 5 hours, and finally transport the triangle rubber strips to the wire bead wrapping area, cold-stick the triangle rubber strips on the wire bead, and then use the wrapping cloth to wrap the cold-sticked triangle rubber strips and wire bead together. Due to the loose combination of the cold-sticked triangle rubber strips and the wire bead, the bias engineering tire will have the quality defect of easy displacement of the triangle rubber strips and bulging and delamination when in use. Summary of the invention
[0004] The purpose of the utility model is to solve the deficiencies of the above-mentioned technology and to provide a production line for hot-sticking triangular rubber strips on wire rings of bias engineering tires. The extruded triangular rubber strips do not need to be parked and can be directly hot-sticked on the wire rings and tightly combined with the wrapping cloth, thereby solving the quality defects of bulging and delamination caused by displacement of the triangular rubber strips.
[0005] To this end, the utility model provides a production line for hot-sticking triangular rubber strips for wire rings of bias engineering tires. The production line is provided with a triangular rubber strip extrusion device and a wire ring cloth wrapping device. The triangular rubber strip extrusion device is provided with a triangular rubber strip extruder, and the wire ring cloth wrapping device is provided with a wire ring cloth wrapping machine. The production line is provided with a triangular rubber strip extrusion device, a triangular rubber strip conveying device, a triangular rubber strip storage device, a triangular rubber strip feeding device, and a wire ring cloth wrapping device in sequence according to the production process;
[0006] The triangular rubber strip conveying device is provided with a triangular rubber strip conveying frame, and a cooling roller is installed on the triangular rubber strip conveying frame; the triangular rubber strip storage device is provided with a triangular rubber strip storage groove, and the triangular rubber strip storage groove is a groove-shaped structure with an open upper portion; the triangular rubber strip feeding device is provided with a triangular rubber strip feeding rack, and a supporting roller is installed on the triangular rubber strip feeding rack.
[0007] Preferably, the production line is also provided with a triangular rubber strip twisting device, which is arranged between the triangular rubber strip feeding device and the wire ring wrapping device; the triangular rubber strip twisting device is provided with a mounting plate, a first limiting roller, and a second limiting roller, the first limiting roller and the second limiting roller are respectively rotatably connected to the mounting plate, the first limiting roller and the second limiting roller are spaced apart, and a limiting gap is provided between the roller surface of the first limiting roller and the roller surface of the second limiting roller for the triangular rubber strip to pass through; when the triangular rubber strip passes through the limiting gap, at least part of the outer wall of the triangular rubber strip contacts the roller surface of the first limiting roller and / or the roller surface of the second limiting roller.
[0008] Preferably, the mounting plate is provided with a first clamping plate and a second clamping plate, and the first clamping plate and the second clamping plate are arranged at an interval; the left and right ends of the first limiting roller are respectively hingedly connected to the first clamping plate and the second clamping plate through the first rotating shaft, and the left and right ends of the second limiting roller are respectively hingedly connected to the first clamping plate and the second clamping plate through the second rotating shaft; the first limiting roller is provided with a bevel roller, and the thinner end of the bevel roller is connected to the first baffle plate, and the second limiting roller is provided with a plane roller, and the two ends of the plane roller are respectively connected to the second baffle plate and the third baffle plate, and the first baffle plate, the bevel roller and the second baffle plate, the plane roller and the third baffle plate form a limiting gap.
[0009] Preferably, the triangular rubber strip twisting device is installed on the triangular rubber strip conveying frame through a mounting plate.
[0010] Preferably, the apex rubber strip extrusion device is further provided with a first guide wheel, and the apex rubber strip conveying device is further provided with a second guide wheel.
[0011] Preferably, the first guide wheel is installed near the extrusion port of the apex rubber strip extruder, and the second guide wheel is installed on the apex rubber strip conveying frame.
[0012] Preferably, the apex rubber strip extruder is a pin cold feed extruder.
[0013] The beneficial effects of the utility model are as follows: the utility model provides a production line for hot-sticking triangular rubber strips on wire rings of bias engineering tires. After the triangular rubber strips extruded by the triangular rubber strip extruder are cooled by the cooling roller, they are buffered and stored in the triangular rubber strip storage tank. Then, the triangular rubber strips are conveyed to the wire ring wrapping machine by the supporting rollers, the triangular rubber strips are hot-sticked on the wire ring, and the wrapping cloth is used to wrap the hot-sticked triangular rubber strips and the wire ring together. The triangular rubber strips extruded by the utility model do not need to be parked, but can be directly hot-sticked on the wire ring and closely combined with the wrapping cloth, so as to solve the quality defects of bulging and delamination caused by displacement of the triangular rubber strips. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0015] Figure 1 It is a structural schematic diagram of the utility model;
[0016] Figure 2 for Figure 1 A schematic structural diagram of an enlarged view of the triangle rubber strip torsion device;
[0017] Figure 3 for Figure 2 A structural diagram of a left view of FIG.
[0018] Figure 4 for Figure 2 Schematic diagram of twisting the direction of the triangle rubber strip;
[0019] Figure 5 It is a structural schematic diagram of the triangle rubber strip being twisted from a flat state to an upright state.
[0020] Markings in the figure: 1. triangular rubber strip extruder, 2. triangular rubber strip conveying device, 3. triangular rubber strip storage tank, 4. triangular rubber strip feeding device, 5. triangular rubber strip torsion device, 6. wire ring wrapping machine, 7. first guide wheel, 8. second guide wheel, 9. triangular rubber strip, 10. mounting plate, 11. first limiting roller, 12. second limiting roller, 21. triangular rubber strip conveying rack, 22. cooling roller, 41. triangular rubber strip feeding rack, 42. roller, 50. limiting gap, 51. first clamping plate, 52. second clamping plate, 53. first rotating shaft, 54. second rotating shaft, 55. first baffle plate, 56. inclined roller, 57. second baffle plate, 58. flat roller, 59. third baffle plate. DETAILED DESCRIPTION
[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application. The methods used in the present utility model are conventional methods unless otherwise specified; the raw materials and devices used are conventional commercial products unless otherwise specified.
[0022] Depend on Figure 1As shown, the utility model provides a production line for hot-sticking triangular rubber strips for bias engineering tire bead rings, which is provided with a triangular rubber strip extrusion device, a triangular rubber strip conveying device 2, a triangular rubber strip storage device, a triangular rubber strip feeding device 4, and a bead ring wrapping device in sequence according to the production process, wherein:
[0023] The triangular rubber strip extrusion device is provided with a triangular rubber strip extruder 1; the triangular rubber strip conveying device 2 is provided with a triangular rubber strip conveying frame 21, and a cooling roller 22 is installed on the triangular rubber strip conveying frame 21; the triangular rubber strip storage device is provided with a triangular rubber strip storage groove 3, and the triangular rubber strip storage groove 3 is a groove-shaped structure with an open upper portion; the triangular rubber strip feeding device 4 is provided with a triangular rubber strip feeding frame 41, and a supporting roller 42 is installed on the triangular rubber strip feeding frame 41; the wire ring wrapping device is provided with a wire ring wrapping machine 6.
[0024] The working principle of the utility model is as follows: the triangular rubber strip 9 extruded by the triangular rubber strip extruder 1 is cooled by the cooling roller 22, and then buffered and stored in the triangular rubber strip storage tank 3, and then the triangular rubber strip 9 is conveyed to the wire ring wrapping machine 6 by the roller 42, and the triangular rubber strip 9 is hot-bonded on the wire ring, and then the hot-bonded triangular rubber strip and the wire ring are wrapped together with the wrapping cloth. The triangular rubber strip 9 extruded by the utility model does not need to be parked, but is directly hot-bonded on the wire ring and is tightly combined with the wrapping cloth, so as to solve the quality defect of bulging and delamination caused by displacement of the triangular rubber strip 9.
[0025] Among them, the triangular rubber strip storage groove 3 plays a buffering role for the triangular rubber strip 9, and its storage state is: in the triangular rubber strip storage groove 3, the triangular rubber strip 9 is U-shaped; in the production process, the U-shaped bottom of the triangular rubber strip 9 in the triangular rubber strip storage groove 3 is in an up and down floating state, and never touches the bottom of the groove, that is, when the extrusion process speed of the triangular rubber strip 9 is faster than the wire ring wrapping process speed, the U-shaped bottom of the triangular rubber strip 9 is close to the bottom of the groove; conversely, the U-shaped bottom of the triangular rubber strip 9 is far away from the bottom of the groove; in the actual production process, try to keep the extrusion process speed of the triangular rubber strip 9 faster than the wire ring wrapping process speed.
[0026] As a preferred embodiment, Figure 2-Figure 4As shown, the utility model is also provided with a triangular rubber strip twisting device 5, which is arranged between the triangular rubber strip feeding device 4 and the wire ring wrapping device; the triangular rubber strip twisting device 5 is provided with a mounting plate 10, a first limiting roller 11, and a second limiting roller 12, the first limiting roller 11 and the second limiting roller 12 are respectively connected to the mounting plate 10 by self-rotation, the first limiting roller 11 and the second limiting roller 12 are arranged at intervals, and a limiting gap 50 for the triangular rubber strip 9 to pass through is provided between the roller surface of the first limiting roller 11 and the roller surface of the second limiting roller 12; when the triangular rubber strip 9 passes through the limiting gap 50, at least part of the outer wall of the triangular rubber strip 9 contacts the roller surface of the first limiting roller 11 and / or the roller surface of the second limiting roller 12. As a further preferred embodiment, the mounting plate 10 is provided with a first clamping plate 51 and a second clamping plate 52, and the first clamping plate 51 and the second clamping plate 52 are arranged at an interval; the left and right ends of the first limiting roller 11 are respectively hingedly connected to the first clamping plate 51 and the second clamping plate 52 through a first rotating shaft 53, and the left and right ends of the second limiting roller 12 are respectively hingedly connected to the first clamping plate 51 and the second clamping plate 52 through a second rotating shaft 54; the first limiting roller 11 is provided with a beveled roller 56, and the thinner end of the beveled roller 56 is connected to a first baffle 55, and the second limiting roller 12 is provided with a plane roller 58, and the two ends of the plane roller 58 are respectively connected to a second baffle 57 and a third baffle 59, and the first baffle 55, the beveled roller 56 and the second baffle 57, the plane roller 58, and the third baffle 59 form a limiting gap 50.
[0027] The function of the triangle rubber strip twisting device 5 is to guide the triangle rubber strip 9 from the horizontal state of the roller 42 to the vertical state, so that the triangle rubber strip 9 can be hot-attached to the wire ring in the vertical state to complete the wire ring wrapping process. Figure 5 During the production process, since the outer wall of the angular rubber strip 9 contacts the roller surface of the first limiting roller 11 and / or the roller surface of the second limiting roller 12, when the angular rubber strip 9 passes through the limiting gap 50, the first limiting roller 11 and the second limiting roller 12 are in a passive rotation state.
[0028] As a preferred embodiment, Figure 1 As shown, the apex rubber strip twisting device 5 is installed on the apex rubber strip conveying frame 21 through the mounting plate 10, and has a simple structure and is easy to install.
[0029] As a preferred embodiment, Figure 1As shown, the apex rubber strip extrusion device is further provided with a first guide wheel 7, and the apex rubber strip conveying device 2 is further provided with a second guide wheel 8. As a further preferred embodiment, the first guide wheel 7 is installed near the extrusion port of the apex rubber strip extruder 1, and the second guide wheel 8 is installed on the apex rubber strip conveying frame 21. The apex rubber strip 9 extruded from the apex rubber strip extruder 1 first passes through the upper part of the first guide wheel 7, then passes through the lower part of the second guide wheel 8, and then passes through the upper part of the cooling roller 22. The first guide wheel 7 and the second guide wheel 8 not only play a guiding role, but also the first guide wheel 7, the second guide wheel 8, and the cooling roller 22 work together to press the apex rubber strip 9.
[0030] As a preferred embodiment, the apex rubber strip extruder 1 is a pin cold feed extruder. Pins are added to the barrel to improve the plasticizing performance of the apex rubber, the density of the extruded product, and other properties, and reduce the discharge temperature to ensure the extrusion quality of the apex rubber strip.
[0031] In the description of the present utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "middle", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. It should be noted that in the above-mentioned embodiments, the "first", "second" and "third" do not represent an absolute distinction in structure and / or function, nor do they represent a sequential execution order, but are merely for the convenience of description.
[0032] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims
1. A production line for hot-sticking apex strips for bias engineering tire bead rings, the production line is provided with an apex strip extrusion device and a bead ring wrapping device, the apex strip extrusion device is provided with an apex strip extruder (1), the bead ring wrapping device is provided with a bead ring wrapping machine (6), characterized in that: The production line is provided with the apex rubber strip extrusion device, the apex rubber strip conveying device (2), the apex rubber strip storage device, the apex rubber strip feeding device (4), and the wire ring wrapping device in sequence according to the production process; The triangular rubber strip conveying device (2) is provided with a triangular rubber strip conveying frame (21), and a cooling roller (22) is installed on the triangular rubber strip conveying frame (21); the triangular rubber strip storage device is provided with a triangular rubber strip storage groove (3), and the triangular rubber strip storage groove (3) is a groove-shaped structure with an open top; the triangular rubber strip feeding device (4) is provided with a triangular rubber strip feeding frame (41), and a supporting roller (42) is installed on the triangular rubber strip feeding frame (41).
2. The production line for hot-sticking apex rubber strips for bias engineering tire wire rings according to claim 1 is characterized in that: The production line is also provided with a triangular rubber strip twisting device (5), which is arranged between the triangular rubber strip feeding device (4) and the wire ring wrapping device; the triangular rubber strip twisting device (5) is provided with a mounting plate (10), a first limiting roller (11), and a second limiting roller (12); the first limiting roller (11) and the second limiting roller (12) are respectively connected to the mounting plate (10) by self-rotation; the first limiting roller (11) and the second limiting roller (12) are arranged at intervals, and a limiting gap (50) is provided between the roller surface of the first limiting roller (11) and the roller surface of the second limiting roller (12) for the triangular rubber strip (9) to pass through; when the triangular rubber strip (9) passes through the limiting gap (50), at least part of the outer wall of the triangular rubber strip (9) contacts the roller surface of the first limiting roller (11) and / or the roller surface of the second limiting roller (12).
3. The production line for hot-sticking apex strips of bias engineering tire wire rings according to claim 2 is characterized in that: The mounting plate is provided with a first clamping plate (51) and a second clamping plate (52), and the first clamping plate (51) and the second clamping plate (52) are spaced apart from each other; the left and right ends of the first limiting roller (11) are respectively hingedly connected to the first clamping plate (51) and the second clamping plate (52) through a first rotating shaft (53); the left and right ends of the second limiting roller (12) are respectively hingedly connected to the first clamping plate (51) and the second clamping plate (52) through a second rotating shaft (54); the first limiting roller (11) is provided with a bevel roller (56), and the thinner end of the bevel roller (56) is connected to a first baffle (55); the second limiting roller (12) is provided with a plane roller (58), and the two ends of the plane roller (58) are respectively connected to a second baffle (57) and a third baffle (59); the first baffle (55), the bevel roller (56) and the second baffle (57), the plane roller (58) and the third baffle (59) form the limiting gap (50).
4. The production line for hot-sticking triangle rubber strips for bias engineering tire wire rings according to claim 2 is characterized in that: The apex rubber strip twisting device (5) is installed on the apex rubber strip conveying frame (21).
5. The production line for hot-sticking apex rubber strips for bias engineering tire wire rings according to claim 1, characterized in that: The apex rubber strip extrusion device is also provided with a first guide wheel (7), and the apex rubber strip conveying device (2) is also provided with a second guide wheel (8).
6. The production line for hot-sticking apex rubber strips for bias engineering tire wire rings according to claim 5, characterized in that: The first guide wheel (7) is installed near the extrusion port of the apex rubber strip extruder (1), and the second guide wheel (8) is installed on the apex rubber strip conveying frame (21).
7. The production line for hot-sticking apex strips of bias engineering tire wire rings according to claim 1 is characterized in that: The apex rubber strip extruder (1) is a pin cold feed extruder.