CN113635585A - Forming method for improving bearing capacity of all-steel radial tire ring part and winding equipment - Google Patents
Forming method for improving bearing capacity of all-steel radial tire ring part and winding equipment Download PDFInfo
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- CN113635585A CN113635585A CN202110914424.9A CN202110914424A CN113635585A CN 113635585 A CN113635585 A CN 113635585A CN 202110914424 A CN202110914424 A CN 202110914424A CN 113635585 A CN113635585 A CN 113635585A
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- Prior art keywords
- steel wire
- winding
- tire
- air drying
- glue
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D30/30—Applying the layers; Guiding or stretching the layers during application
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/38—Textile inserts, e.g. cord or canvas layers, for tyres; Treatment of inserts prior to building the tyre
- B29D30/46—Cutting textile inserts to required shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/48—Bead-rings or bead-cores; Treatment thereof prior to building the tyre
- B29D30/50—Covering, e.g. by winding, the separate bead-rings or bead-cores with textile material, e.g. with flipper strips
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Tyre Moulding (AREA)
Abstract
The invention belongs to the technical field of tire molding and manufacturing, and particularly relates to a molding method and winding equipment for improving the bearing capacity of an all-steel radial tire ring part. The method comprises the operations of tire body drum side operation, belt layer drum side operation and forming drum side operation, wherein the forming drum side operation comprises locking, shaping, tire crown pressing, tire bead pressing, zero-degree reinforcing ring winding, tire side turn-up, tire side pressing and tire unloading. Zero degree reinforcement ring winding includes: the method comprises the following steps of monofilament unwinding, storage, glue coating, air drying, monofilament winding and cutting. The winding apparatus includes: the device comprises a guiding mechanism, a material storage mechanism, a glue coating device, an air drying device and a winding machine head. This technical scheme can effectively promote the rigidity of product circle portion, reduces the shear strain of circle portion in the tire use, and then realizes the reinforcement promotion of circle portion bearing capacity.
Description
Technical Field
The invention belongs to the technical field of tire molding and manufacturing, and particularly relates to a molding method and winding equipment for improving the bearing capacity of an all-steel radial tire ring part.
Background
According to the feedback of the tire sales market, the current market complaints of the all-steel radial tire for the heavy truck are mainly represented by ring cracks, ring voids, ring bursts and the like, similar complaints occur in various types and specifications of the heavy-duty tire market, and through analysis, the occurrence of the ring cracks, the ring voids, the ring bursts and the like is mainly related to the use conditions and the tire structure of the tire, so that the bearing performance of the ring portion of a heavy-duty tire product needs to be improved in order to meet the market demand, the durability of the ring portion of the tire is improved, and the driving safety is guaranteed.
Among the present tire manufacturing process, heavy load product circle portion adopts the steel wire enhancement layer, the successive layer laminating of nylon reinforcement layer to promote the intensity of circle portion many times, however the circle portion intensity that this kind of mode promoted is very limited, can not effectively improve the empty, the ring of circle that heavy load market exists throughout the year and split the scheduling problem, and this kind of method can greatly increase the complexity of production technology, increases the management and control degree of difficulty of production process, extravagant shaping efficiency, increases risks such as finished product circle portion bubble.
Disclosure of Invention
In order to solve the problems mentioned in the background art, the invention discloses a forming method and a winding device for improving the bearing capacity of an all-steel radial tire ring portion.
In order to achieve the above purpose, the following technical solutions are provided:
a forming method for improving the bearing capacity of a ring part of an all-steel radial tire comprises tire body drum side operation, belt layer drum side operation and forming drum side operation, wherein the forming drum side operation comprises locking, shaping, tire crown pressing, tire bead pressing, zero-degree reinforcing ring winding, tire side turn-up, tire side pressing and tire unloading.
Further, the winding of the zero-degree reinforcement ring comprises: the method comprises the following steps of monofilament unwinding, storage, glue coating, air drying, monofilament winding and cutting.
Furthermore, the diameter of the rubber-coated steel wire formed after the steel wire is subjected to rubber dipping and air drying is less than or equal to 1.5 mm.
A winding apparatus comprising:
the unwinding mechanism is used for unwinding the steel wire on the steel wire spindle and conveying the steel wire to the next procedure;
the storage mechanism temporarily stores the guided steel wires on the storage mechanism;
the glue coating device is used for dipping the steel wire;
the air drying device is used for air drying the steel wire coated with the glue;
the winding aircraft nose, the steel wire covers glues and air-dries the back, twines two sides of tire through two winding aircraft noses with the steel wire after air-drying, and winding mechanism sets up on the winding support body.
Furthermore, the unwinding mechanism comprises a driving motor, a steel wire welding device, a steel wire detection device and a retaining device, the driving motor drives the steel wire spindle to rotate, and the unwound steel wire is conveyed to the steel wire welding device, the steel wire detection device and the retaining device from the steel wire spindle.
Further, the material storage mechanism comprises a material storage frame body, a material storage group wheel and a material storage protection device, the material storage group wheel comprises an upper group wheel and a lower group wheel, the upper group wheel is fixed at the upper part, and the lower group wheel is in sliding connection with the material storage frame body; the material storage protection device comprises a spring, and the spring is arranged on a guide post of the material storage frame body; the steel wire is led in from the unwinding mechanism and wound on the upper group wheel and the lower group wheel.
Furthermore, the glue coating device comprises a glue dipping box body, a glue paddle stirrer motor, an insulating stirrer and two baffle rollers, wherein the two baffle rollers are arranged in the glue dipping box body, the insulating stirrer is driven by the glue paddle stirrer motor to rotate between the two baffle rollers, and a steel wire is led into the glue dipping box body from the material storage mechanism to finish glue dipping.
Further, the air-drying device comprises an air-drying box body, an air-drying motor, a light-weight spiral device and an air exhaust channel, the light-weight spiral device is arranged in the air-drying box body and driven by the air-drying motor, the air exhaust channel is arranged on one side of the air-drying box body, steel wire guide wheels are arranged at two ends of the outer side of the air-drying box body, and the dipped steel wires enter the air-drying box body from the steel wire guide wheels at one end and penetrate out from the steel wire guide wheels at the other end.
Further, the winding aircraft nose is including stretching out the cylinder, passing the material device and deciding the device, is provided with the material guide roll on stretching out the cylinder, and the steel wire enters into to pass the material device and decides the device along the material guide roll, stretches out the cylinder and impels forward the side of twining the tire with the steel wire, and the steel wire is decided to the device after the winding finishes.
The invention has the beneficial effects that:
according to the technical scheme, the structure of the full steel wire radial tire can be improved on the basis of the structure of the existing full steel wire radial tire, the rigidity of the product ring part is effectively improved, the shear strain of the middle ring part of the tire is reduced, and the reinforcement and the improvement of the bearing capacity of the ring part are further realized. Compared with the conventional structural improvement for improving the bearing capacity of the ring part, the forming method can be generally applied to the improvement of the bearing capacity of the ring part of a standard load/heavy load product, the reconstruction design of the product is not needed, the research and development cost is reduced, and meanwhile, the forming method is different from the conventional method (parts are added independently during the laminating process), the laminating process of the forming scheme is carried out in an automatic state, the independent manual laminating is not needed, the field operation space is saved, the operation complexity is reduced, the material distribution accuracy of the product is improved, the labor intensity of workers is reduced, and the operation efficiency of a forming machine is ensured; the zero-degree reinforcing ring winding process in the scheme can directly carry out spiral winding of the rubber-coated steel wire on the surface of the bead apex, the reinforcing rings uniformly arranged on the surface of the apex can not only improve the rigidity of the tire ring part, but also reduce the heat generation of the ring part, improve the durability, and further effectively improve the safety problems of ring cracking, ring explosion and the like in the use process of the all-steel-wire load-bearing radial tire.
Drawings
FIG. 1 is a schematic view of the overall structure of a winding apparatus;
FIG. 2 is a schematic view of a unwinding mechanism of the winding apparatus;
FIG. 3 is a diagram of a magazine structure of the winding apparatus;
FIG. 4 is a diagram of a glue applicator of the winding apparatus;
FIG. 5 is a view showing the structure of an air drying device of the winding apparatus;
FIG. 6 is a schematic view of a winding head of the winding apparatus;
FIG. 7 is a view of the winding head of the winding apparatus in a position for cooperating with a tire;
fig. 8 is a schematic three-dimensional structure view of a unwinding mechanism and a storage mechanism of the winding device;
wherein: 1. a unwinding mechanism; 11. opening the station; 12. a drive motor; 13. a steel wire welding device; 14. a steel wire detection device; 15. a backstop device; 16. a steel wire spindle; 2. a material storage mechanism; 21. a material storage rack body; 22. a material storage group wheel; 23. a spring; 3. a glue coating device; 31. a glue dipping box body; 32. a rubber paddle stirrer motor; 33. an insulating stirrer; 34. a blocking roller; 4. an air drying device; 41. air-drying the box body; 42. air-drying the motor; 43. a lightweight screw; 44. an air exhaust channel; 5. winding the machine head; 51. extending out of the cylinder; 52. a material guide roller; 53. a material delivery device; 54. a cutting device; 6. a tire.
Detailed Description
In order to make the technical solution of the present invention more clear and definite for those skilled in the art, the technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the embodiments of the present invention are not limited thereto.
A forming method for improving the bearing capacity of a bead part of an all-steel radial tire comprises the following steps of 1, carcass drum side operation: attaching a PA composite piece, attaching a nylon reinforced layer 1, attaching a nylon reinforced layer 2, attaching a steel wire reinforced layer, attaching a tire body, laminating the tire body, attaching a tire bead, attaching a cushion rubber and transferring the tire body composite piece; 2. belt layer drum side operation: 1# belt ply attaching, 2# belt ply attaching, 3# belt ply attaching, zero-degree belt ply attaching, tread pressing and tire cap transferring composite parts; 3. the molding drum side operation comprises locking, shaping, tire crown pressing, tire bead pressing, zero-degree reinforcing ring winding, tire side turning, tire side pressing and tire unloading.
Compared with the conventional forming method of the all-steel radial tire, the whole forming method provided by the technical scheme has a unique zero-degree reinforcing ring winding process, can effectively improve the bearing performance of the product ring part on the basis of the existing product structure, can further improve the bearing performance of the ring part of the product on the existing truck tire structure, is simple and easy to operate, is quick to implement, has high automatic degree, ensures the efficiency and the fitting accuracy of a forming machine, and reduces the complexity of the production process and the labor intensity of workers.
The specific process method for winding the zero-degree reinforcing ring comprises the following steps: the method comprises 6 processes of monofilament unwinding, material storage, glue coating, air drying, monofilament winding and cutting.
The diameter of the rubber-coated steel wire formed after the steel wire is subjected to rubber dipping and air drying is less than or equal to 1.5 mm.
According to the specific method for winding the zero-degree reinforcing ring, the winding equipment is designed, and comprises the following steps:
the unwinding mechanism 1 is used for unwinding the steel wire on the steel wire spindle 16 and conveying the steel wire to the next process;
the storage mechanism 2 temporarily stores the guided steel wires on the storage mechanism 2;
the glue coating device 3 is used for dipping the steel wire;
an air drying device 4 for air drying the steel wire coated with the glue;
the steel wire is glued and air-dried by the winding machine heads 5, the air-dried steel wire is wound on two side surfaces of the tire 6 through the two winding machine heads 5, and the winding mechanism is arranged on the winding frame body.
The unwinding mechanism 1 comprises a driving motor 12, a steel wire welding device 13, a steel wire detection device 14 and a retaining device 15, wherein the driving motor 12 drives a steel wire spindle 16 to rotate, and a steel wire is unwound from the steel wire spindle 16 and is conveyed to the steel wire welding device 13, the steel wire detection device 14 and the retaining device 15 through an unwinding station 11. The steel wire welding device 13 is used for welding two steel wires when a next steel wire spindle 16 is replaced; the steel wire detection device 14 detects whether the steel wire has defects such as cracks; the retaining device 15 clamps the steel wire for welding or other operations. The steel wire detection device 14 adopts a photoelectric detector, the stopping device 15 adopts a cylinder stopping mode, when the material consumption is detected to be finished, a cylinder is started, a stopping plate extends out of a clamping steel wire, and the steel wire is prevented from being separated from a conveying rail and is convenient to replace the material, and then steel wire welding treatment is carried out
The storage mechanism 2 comprises a storage frame body 21, a storage group wheel 22 and a storage protection device, wherein the storage group wheel 22 comprises an upper group wheel and a lower group wheel, the upper group wheel is fixed at the upper part, and the lower group wheel is connected with the storage frame body 21 in a sliding manner; the storage protection device comprises a spring 23, and the spring 23 is arranged on a guide post of the storage frame body 21; the steel wire is led in from the unwinding mechanism 1 and wound on the upper group wheel and the lower group wheel.
The glue coating device 3 comprises a glue dipping box 31, a glue paddle stirrer motor 32, an insulating stirrer 33 and baffle rollers 34, wherein two baffle rollers 34 are arranged in the glue dipping box 31, the insulating stirrer 33 is driven by the glue paddle stirrer motor 32 to rotate between the two baffle rollers 34, and a steel wire is led into the glue dipping box 31 from the material storage mechanism 2 to finish glue dipping. The baffle roller 34 is fixed on the side wall of the dipping box 31 and mainly used for ensuring that the steel wire can smoothly pass through the mucilage to complete the glue coating, wherein the mucilage stirring motor and the insulating stirrer 33 form a mucilage stirrer, the insulating stirrer 33 is positioned below the baffle roller 34 and is driven by the mucilage stirrer after the equipment is started every time, the mucilage is preferentially stirred for 10s, and the uniform glue coating of the steel wire is ensured
The air drying device 4 comprises an air drying box body 41, an air drying motor 42, a light-weight spiral device 43 and an air exhaust channel 44, wherein the air drying box body 41 is internally provided with a plurality of light-weight spiral devices 43, the light-weight spiral devices 43 are driven by the air drying motor 42, the air exhaust channel 44 is arranged on one side of the air drying box body 41, two ends of the outer side of the air drying box body 41 are provided with steel wire guide wheels, and the dipped steel wires enter the air drying box body 41 from the steel wire guide wheels at one end and penetrate out from the steel wire guide wheels at the other end. The steel wire guide wheels are respectively arranged at two sides of the air drying box body 41, the steel wires coated with glue are input from the upper side of the steel wire guide wheels, and are output from the lower side of the steel wire guide wheels at the other side after annular air drying is finished under the comprehensive action of the air drying motor 42, the light-weight screw 43 and the air exhaust channel 44, and the steel wires are coated with glue and air dried at the moment and have the condition of subsequent winding.
Winding aircraft nose 5 is including stretching out cylinder 51, passing material device 53 and deciding device 54, stretches out and is provided with material guide roll 52 on the cylinder 51, and the steel wire enters into and passes material device 53 and decides device 54 along material guide roll 52, stretches out cylinder 51 and forwards impels the side of twining tire 6 with the steel wire, after the winding finishes, decides device 54 and decides the steel wire.
While the invention has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A forming method for improving the bearing capacity of a bead part of an all-steel radial tire comprises a tire body drum side operation and a belted layer drum side operation, and is characterized in that: and (3) performing molding drum side operation, wherein the molding drum side operation comprises locking, shaping, tire crown pressing, tire bead pressing, zero-degree reinforcing ring winding, tire side turning, tire side pressing and tire unloading.
2. The molding method for improving the bearing capacity of an all-steel radial tire bead part according to claim 1, wherein the zero-degree reinforcement ring winding comprises: the method comprises the following steps of monofilament unwinding, storage, glue coating, air drying, monofilament winding and cutting.
3. The molding method for improving the load-bearing property of an all-steel radial tire bead portion according to claim 2, wherein: the diameter of the rubber-coated steel wire formed after the steel wire is subjected to rubber dipping and air drying is less than or equal to 1.5 mm.
4. A winding apparatus, characterized in that the apparatus is based on the molding method for improving the load-carrying property of the all steel wire radial tire bead portion of claim 2 or 3, comprising:
the unwinding mechanism (1) is used for unwinding the steel wire on the steel wire spindle (16) and conveying the steel wire to the next process;
the storage mechanism (2) temporarily stores the guided steel wires on the storage mechanism (2);
the glue coating device (3) is used for dipping the steel wire;
an air drying device (4) for air drying the steel wire coated with the glue;
the steel wire is coated with glue and is air-dried by the winding machine heads (5), the air-dried steel wire is wound on two side surfaces of the tire (6) through the two winding machine heads (5), and the winding mechanism is arranged on the winding frame body.
5. The winding apparatus according to claim 4, characterized in that the unwinding mechanism (1) comprises a drive motor (12), a wire welding device (13), a wire detecting device (14) and a retaining device (15), the drive motor (12) drives a wire spindle (16) to rotate, and the unwound wire is sequentially conveyed from the wire spindle (16) to the wire welding device (13), the wire detecting device (14) and the retaining device (15).
6. The winding device according to claim 5, characterized in that the storage mechanism (2) comprises a storage frame body (21), a storage group wheel (22) and a storage protection device, wherein the storage group wheel (22) comprises an upper group wheel and a lower group wheel, the upper group wheel is fixed at the upper part, and the lower group wheel is connected on the storage frame body (21) in a sliding way; the storage protection device comprises a spring (23), and the spring (23) is arranged on a guide post of the storage frame body (21); the steel wire is led in from the unwinding mechanism (1) and is wound on the upper group wheel and the lower group wheel.
7. The winding equipment according to claim 6, wherein the glue coating device (3) comprises a glue dipping box (31), a glue paddle stirrer motor (32), an insulating stirrer (33) and baffle rollers (34), two baffle rollers (34) are arranged in the glue dipping box (31), the insulating stirrer (33) is driven by the glue paddle stirrer motor (32) to rotate between the two baffle rollers (34), and the steel wire is led into the glue dipping box (31) from the storage mechanism (2) to finish glue dipping.
8. The winding device according to claim 7, wherein the air drying device (4) comprises an air drying box body (41), an air drying motor (42), a plurality of light-weight screws (43) and an air exhaust channel (44), the air drying box body (41) is internally provided with the light-weight screws (43), the light-weight screws (43) are driven by the air drying motor (42), the air exhaust channel (44) is arranged on one side of the air drying box body (41), steel wire guide wheels are arranged at two ends of the outer side of the air drying box body (41), and the dipped steel wires enter the air drying box body (41) from the steel wire guide wheel at one end and penetrate out from the steel wire guide wheel at the other end.
9. The winding device according to claim 8, characterized in that the winding machine head (5) comprises an extension cylinder (51), a material delivering device (53) and a cutting device (54), a material guide roller (52) is arranged on the extension cylinder (51), the steel wire enters the material delivering device (53) and the cutting device (54) along the material guide roller (52), the extension cylinder (51) is pushed forwards to wind the steel wire on the side surface of the tire (6), and after the winding is finished, the cutting device (54) cuts the steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110914424.9A CN113635585A (en) | 2021-08-10 | 2021-08-10 | Forming method for improving bearing capacity of all-steel radial tire ring part and winding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110914424.9A CN113635585A (en) | 2021-08-10 | 2021-08-10 | Forming method for improving bearing capacity of all-steel radial tire ring part and winding equipment |
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| Publication Number | Publication Date |
|---|---|
| CN113635585A true CN113635585A (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110914424.9A Pending CN113635585A (en) | 2021-08-10 | 2021-08-10 | Forming method for improving bearing capacity of all-steel radial tire ring part and winding equipment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB189415194A (en) * | 1894-08-09 | 1895-07-13 | Frederick William Brown | Improvements in or relating to Tyres. |
| GB992631A (en) * | 1960-11-01 | 1965-05-19 | Dunlop Rubber Co | Improvements in or relating to pneumatic tyres |
| CN101058235A (en) * | 2007-06-01 | 2007-10-24 | 昊华南方(桂林)橡胶有限责任公司 | Hexagonal wired ring winding production line |
| CN102218842A (en) * | 2011-03-09 | 2011-10-19 | 三角轮胎股份有限公司 | Production method for wound and attached steel wire crown band ply of all-steel radial-truck meridian tire |
| CN104442211A (en) * | 2014-12-03 | 2015-03-25 | 杭州朝阳橡胶有限公司 | All-steel radial tubeless tire and preparation method thereof |
-
2021
- 2021-08-10 CN CN202110914424.9A patent/CN113635585A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB189415194A (en) * | 1894-08-09 | 1895-07-13 | Frederick William Brown | Improvements in or relating to Tyres. |
| GB992631A (en) * | 1960-11-01 | 1965-05-19 | Dunlop Rubber Co | Improvements in or relating to pneumatic tyres |
| CN101058235A (en) * | 2007-06-01 | 2007-10-24 | 昊华南方(桂林)橡胶有限责任公司 | Hexagonal wired ring winding production line |
| CN102218842A (en) * | 2011-03-09 | 2011-10-19 | 三角轮胎股份有限公司 | Production method for wound and attached steel wire crown band ply of all-steel radial-truck meridian tire |
| CN104442211A (en) * | 2014-12-03 | 2015-03-25 | 杭州朝阳橡胶有限公司 | All-steel radial tubeless tire and preparation method thereof |
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