CN114889183A - Tire tread exhaust line pressing device and pressing method - Google Patents
Tire tread exhaust line pressing device and pressing method Download PDFInfo
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- CN114889183A CN114889183A CN202210149576.9A CN202210149576A CN114889183A CN 114889183 A CN114889183 A CN 114889183A CN 202210149576 A CN202210149576 A CN 202210149576A CN 114889183 A CN114889183 A CN 114889183A
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- roller
- tire tread
- line
- bottom pressing
- pressing roller
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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)
- B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
- B29D30/58—Applying bands of rubber treads, i.e. applying camel backs
- B29D30/62—Applying bands of rubber treads, i.e. applying camel backs by extrusion or injection of the tread on carcass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
Abstract
The application belongs to the technical field of vehicle engineering and provides a tire tread exhaust line pressing device and a pressing method. The conveying roller way consists of a plurality of conveying rollers which are arranged along the production line and provided with frames on two sides; the pressure regulating cylinder is arranged on a fixed frame, and the fixed frame is arranged on frames on two sides of the conveying roller way; the sponge roller is arranged on an adjusting rod of the pressure regulating cylinder through a roller bracket; the bottom pressing roller is positioned on the conveying roller way below the sponge roller and is arranged in a crossed manner, and the bottom pressing roller and the sponge roller are used for pressing the tire tread. This application has solved the tire tread and has passed through the water stain problem that is difficult to by the exhaust behind the cooling water again at the pressure exhaust line, has also guaranteed that shaping pressfitting in-process middle level and interlayer gas smoothly discharge from the exhaust line, has improved the effect in the aspect of extrusion exhaust line dewatering and shaping pressfitting exhaust.
Description
Technical Field
The application belongs to the technical field of vehicle engineering, and particularly relates to an exhaust line pressing technology implementation method and a related device for a radial tire tread extrusion cooling process, in particular to a tire tread exhaust line pressing device and a pressing method.
Background
As is known, in the tire molding process, in order to effectively discharge the interlayer air accumulation when the tire tread is attached, a pressure and exhaust line process is often adopted in the tread extrusion process, and a transverse exhaust line perpendicular to the direction of extruding the tread is pressed at the bottom of the tread, and the depth is generally about 0.5 mm.
At present, most of the pressure rollers adopt a bearing roller for bearing and driving the tire tread and a pressure roller for rolling the tire tread to form an exhaust line on the tire tread, the pressure roller is also provided with a convex edge for pressing an exhaust transverse line on the surface of the tire tread, the upper bearing roller adopts a plurality of modes of using a thousand-layer sheet, adopting a plurality of parallel proportional valve cylinders to adjust pressure and the like, and aims to adopt a pressing shape matched with the shape of the section of the tire tread as far as possible.
The existing schemes have two obvious disadvantages, namely that water hidden in the indentation is difficult to remove at the blowing part cooled by extruded cooling water, because the blowing direction is just vertical to the exhaust line, which is not beneficial to water flow discharge; secondly, when the molding tread is pressed, the pressing rotation direction and the axial movement are the superposition direction and are not along the direction of the exhaust line, so the exhaust effect is not ensured.
Disclosure of Invention
The application provides a tire tread exhaust line stitching device and stitching method to the problem that two aspects exist are guaranteed to the exhaust line at extrusion exhaust line dewatering and shaping pressfitting exhaust effect at present.
In order to achieve the above object, the embodiments of the present application provide the following technical solutions:
in a first aspect, in one embodiment provided herein, there is provided a tire tread vent line stitching device comprising:
the conveying roller way is composed of a plurality of conveying rollers which are arranged along the production line and provided with frames on two sides;
the pressure regulating cylinder is arranged on a fixed frame, and the fixed frame is arranged on the frames at two sides of the conveying roller way;
the sponge roller is arranged on the adjusting rod of the pressure regulating cylinder through a roller bracket; and
the bottom pressing roller is positioned on the conveying roller way below the sponge roller and is arranged in a crossed manner, and the bottom pressing roller and the sponge roller are used for pressing the tire tread.
As a further scheme of this application, the bottom compression roller be V style of calligraphy cross arrangement in on the rollgang, cross arrangement the bottom compression roller is located between the rollgang's the conveying roller.
As the further scheme of this application, the bottom compression roller is located under the sponge roller, the sponge roller is high temperature resistant sponge roller, when exerting pressure to the tire tread, the pressure regulating cylinder is adjusted the position height of sponge roller, through the sponge roller is exerted pressure, the pressure regulating cylinder can adjust pressfitting pressure.
As the further scheme of this application, alternately the compression roller is installed between the conveying roller of rollgang, the compression roller up end with the conveying roller up end parallel and level of rollgang, alternately set up the position and the angle of compression roller are fixed at the end, the rotatable setting of compression roller self, compression roller (3) rotate the setting around self axial centerline at the end.
As the further scheme of this application, still be equipped with the bead on the bottom compression roller, the bead is used for extruding the air discharge line of tire tread, through set up the bead of pressfitting on the bottom compression roller, has solved the tread and has pressed the air discharge line and pass through water stain behind the cooling water again and be difficult to by exhaust problem, has also guaranteed simultaneously that shaping pressfitting in-process middle level and interlayer gas smoothly discharge from the air discharge line.
As a further scheme of the application, an inclined included angle is arranged between the upper convex edge of the bottom pressing roller and the axial center line of the bottom pressing roller and is an angle of 4-6 degrees, and an installation inclination angle of 25-35 degrees is formed between the bottom pressing roller and the conveying roller of the conveying roller way.
As a further scheme of the application, when the tire tread passes between the sponge roller and the bottom pressing roller with the convex ribs, an exhaust line is formed at the bottom of the tire tread.
In a further aspect of the present application, an angle of overlap with the translation direction of the back pressure roller at the time of the pressing in the circumferential direction of the tire tread coincides with the air discharge line angle.
As a further scheme of the application, the air discharge line of the tire tread is under the wind pressure of the blowing dewatering device, and water is discharged along the air discharge line groove.
In a second aspect, in one embodiment provided herein, there is provided a tire tread vent line stitching method for stitching a tire tread based on the tire tread vent line stitching device, the tire tread vent line stitching method comprising the steps of:
the bottom compression roller is arranged between the conveying rollers of the conveying roller way in a crossed manner, the sponge roller is driven to move through a pressure regulating cylinder, and the distance between the sponge roller and the bottom compression roller is regulated;
when the tire tread on the production line passes through the high-temperature-resistant sponge roller and the bottom pressing roller with the angle convex edge, the pressure regulating cylinder drives the high-temperature-resistant sponge roller to move to regulate the pressing pressure on the tire tread, and an exhaust line is formed at the bottom of the tire tread under the pressing of the convex edge of the bottom pressing roller;
and after the tire tread forming the exhaust line is cooled and reaches the blowing and dewatering position, the blowing and dewatering position discharges water in the groove of the exhaust line through wind pressure.
As a further scheme of the application, when the tire tread is pressed and molded with other components, the angle superposed with the translation direction of the bottom pressing roller during pressing in the circumferential direction of the tire tread is consistent with the angle of the exhaust line, so that the gas between the tire tread and other components can be smoothly exhausted, the effect of uniform and effective exhaust is achieved, and the condition that the components are tightly attached after pressing is ensured to be free from gas.
Compared with the prior art, the beneficial effects of this application are:
compared with the conventional pressing device, the tire tread exhaust line pressing device and the pressing method disclosed in the embodiment of the application have the advantages that the high-temperature-resistant sponge roller and the crossed bottom pressing roller which are oppositely arranged are arranged on the tire tread production line, the pressing pressure is adjusted by the pressure adjusting cylinder, the bottom pressing roller with the pressing convex edge is used for extruding the exhaust line, the problem that water stains are difficult to discharge after the tire tread is pressed on the exhaust line and passes through cooling water is solved, meanwhile, the smooth discharge of gas between the middle layer and the interlayer from the exhaust line in the forming pressing process is also ensured, the gas between the tire tread and other components can be smoothly discharged, the uniform and effective exhaust effect is achieved, the fact that the components are tightly attached without gas after the pressing is ensured, and the problems of the existing exhaust line in two aspects of dewatering of the extruding exhaust line and the forming pressing exhaust effect are solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application.
Fig. 1 is an assembly structure diagram of the tire tread vent line stitching device of the present application.
Fig. 2 is a schematic top view of the tire tread vent line stitching device of the present application.
Fig. 3 is a schematic structural view of the tire tread vent line stitching device of the present application when stitching a tread vent line.
Fig. 4 is a schematic structural view of a bottom press roller in the tire tread degassing line press apparatus of the present application.
Fig. 5 is a schematic view of a roller cross-sectional structure of a base roller in the tire tread air vent line pressing apparatus of the present application.
Fig. 6 is a schematic structural view of the installation angle of the bottom press roller in the tire tread degassing line pressing apparatus of the present application.
Fig. 7 is a schematic diagram of the operation of the vent line and the water blowing device in the tire tread vent line pressing device of the present application.
Fig. 8 is a schematic diagram of the operation of the vent line and the molding press in the tire tread vent line press of the present application.
Description of the reference numerals:
1. a tire tread; 2. a sponge roller; 3. a bottom press roll; 31. a rib; 4. a fixed mount; 5. a pressure regulating cylinder; 6. a roller support; 7. a rollgang.
a. The blowing direction; b. the direction of the drainage water flow; c. an exhaust line; d. an exhaust path direction; e. the translation direction of the compression roller; f. and the circumferential moving direction of the press roller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The applicant finds that during the forming process of the tire, a pressure bearing roller for bearing and driving the tire tread and a press roller for pressing the tire tread to form an exhaust line on the tire tread are mostly adopted, and the press roller is further provided with a rib for pressing the exhaust transverse line on the surface of the tire tread. In the tire forming process, at the blowing part cooled by the extruded cooling water, the water hidden in the indentation is difficult to remove, because the blowing direction is just vertical to the exhaust line, which is not beneficial to water flow discharge; when the molding tread is pressed, the pressing rotation direction and the axial movement are in a superposition direction and are not along the direction of an exhaust line, so that the exhaust effect cannot be ensured.
In order to solve the above problems, embodiments of the present application provide a tire tread vent line stitching apparatus and a stitching method.
The technical scheme of the application is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1, 2 and 3, in a first embodiment provided by the present application, the tire tread exhaust line stitching device includes a rollgang 7, a pressure regulating cylinder 5, a sponge roller 2 and a bottom pressing roller 3.
In the embodiment of the application, rollgang 7 comprises a plurality of conveying rollers that have the frame along the both sides of production line setting, pressure regulating cylinder 5 is installed on mount 4, mount 4 is installed on the frame of rollgang 7 both sides, sponge roller 2 is installed through roller support 6 on pressure regulating cylinder 5's the regulation pole, end compression roller 3 is located on the rollgang 7 of sponge roller 2 below, end compression roller 3 is the setting of crossing, it is shown with fig. 5 to refer to, be equipped with bead 31 on the end compression roller 3, end compression roller 3 with be used for pressfitting tire tread 1 between the sponge roller 2.
In this embodiment, the purpose is that adopt pressure regulating cylinder 5 to adjust the dynamics of sponge roller 2 to 1 pressfitting of tire tread, utilizes the pressfitting bead 31 extrusion exhaust line of alternately setting bottom compression roller 3, has solved the problem that the water stain is difficult to be discharged after the exhaust line of 1 extrusion of tire tread passes through the cooling water again, has also guaranteed simultaneously that shaping pressfitting in-process middle level and interlayer gas smoothly discharge from the exhaust line.
Referring to fig. 2 and 6, the bottom pressing roller 3 is arranged on the rollgang 7 in a V-shape in a crossed manner, and the bottom pressing roller 3 arranged in a crossed manner is located between the conveying rollers of the rollgang 7.
Referring to fig. 1, 2 and 3, the cross bottom pressing roller 3 is installed between the conveying rollers of the conveying roller way 7, the upper end surface of the bottom pressing roller 3 is flush with the upper end surface of the conveying rollers of the conveying roller way 7, the position and the angle of the bottom pressing roller 3 which is arranged in a cross mode are fixed, the bottom pressing roller 3 can be arranged in a rotating mode, and the bottom pressing roller 3 is arranged in a rotating mode around the axial center line of the bottom pressing roller 3.
In this embodiment, the bottom compression roller 3 is located under the sponge roller 2, the sponge roller 2 is high temperature resistant sponge roller 2, when exerting pressure to tire tread 1, pressure regulating cylinder 5 adjusts the position height of sponge roller 2, through sponge roller 2 exerts pressure, pressure regulating cylinder 5 can adjust the pressfitting pressure.
In this application, high temperature resistant sponge roller 2 is connected to pressure regulating cylinder 5 with sponge roller 2 through roller support 6 and pressure regulating cylinder 5 on, and this pressure regulating cylinder 5 can adjust pressfitting pressure, and pressure regulating cylinder 5 is connected with mount 4 again, and this mount 4 direct mount is on the both sides frame of production line.
During the tire building process, the bottom pressing roller 3 with the convex rib 31 is used for pressing out an exhaust line on the surface of the tire tread, so as to avoid pressing out a transverse exhaust line perpendicular to the extrusion tread direction on the bottom of the tire tread 1. Referring to fig. 5, in this embodiment, an inclined included angle α is further provided between the rib 31 provided on the bottom press roll 3 and the axial center line of the bottom press roll 3, and the inclined included angle α is an angle of 4 to 6 °.
Wherein, referring to fig. 6, an installation inclination angle β of 25-35 ° exists between the bottom pressing roller 3 and the conveying rollers of the conveying roller way 7. When the tire tread 1 passes through the sponge roller 2 and the bottom pressing roller 3 of the rib 31, an exhaust line is formed at the bottom of the tire tread 1.
In the present application, as shown in fig. 7, the angle of superimposition with the translation direction of the back pressure roller 3 at the time of the pressing in the circumferential direction of the tire tread 1 coincides with the air discharge line angle. The air exhaust line of the tire tread 1 is under the air pressure of the air blowing and water removing device, the air blowing direction a of the air blowing and water removing device forms a certain angle with the air exhaust line c of the tire tread 1, and water in the air exhaust line c is discharged from the air exhaust line groove along the drainage water flow direction b.
At this moment, when the air exhaust line with the inclined included angle passes through the air blowing and water removing device, the problem that the air blowing direction of the air blowing and water removing device is just perpendicular to the air exhaust line and is not beneficial to water flow discharge is avoided, a certain angle is formed between the air blowing direction of the air blowing and water removing device and the air exhaust line, and air entering into the air exhaust line is beneficial to smoothly discharging water stains.
As shown in fig. 1 to 8, in a second embodiment provided herein, the tire tread vent line stitching method for stitching a tire tread 1 based on the tire tread vent line stitching device comprises the following steps:
step one, a bottom pressing roller 3 is installed between conveying rollers of a conveying roller way 7 in a crossed mode, a sponge roller 2 is driven to move through a pressure regulating cylinder 5, and the distance between the sponge roller 2 and the bottom pressing roller 3 is regulated;
step two, when the tire tread 1 on the production line passes through the high-temperature-resistant sponge roller 2 and the bottom pressing roller 3 with the angle convex edge 31, the pressure regulating cylinder 5 drives the high-temperature-resistant sponge roller 2 to move to regulate the pressing pressure on the tire tread 1, and an exhaust line is formed at the bottom of the tire tread 1 under the pressing of the convex edge 31 of the bottom pressing roller 3;
and step three, after the tire tread 1 with the exhaust line is cooled and reaches the blowing and dewatering position, the blowing and dewatering position discharges water in the groove of the exhaust line through wind pressure.
In this embodiment, referring to fig. 8, when the tire tread 1 is laminated with other components, when the tire tread 1 is laminated and molded, the angle of the superposition of the translation direction of the bottom press roll 3 in the circumferential direction of the tire tread 1 is consistent with the angle of the air discharge line, that is, the angle of the superposition of the translation direction e of the press roll of the tread press roll and the circumferential moving direction f of the press roll is consistent with the angle of the air discharge line c, so that the air between the tire tread and other components can be smoothly discharged, the direction d of the air discharge path is consistent with the direction of the air discharge line c, and the effect of uniform and effective air discharge is achieved, thereby ensuring that the components are tightly attached without air after lamination.
In summary, the tire tread vent line stitching device and the stitching method disclosed in the embodiments of the present application, compared to the conventional stitching device, the production line of the tire tread 1 is provided with the high temperature resistant sponge roller 2 and the cross bottom pressing roller 3 which are oppositely arranged, the pressure regulating cylinder 5 is used for regulating the pressing pressure, the bottom pressing roller 3 with the pressing convex edge 31 is used for extruding the exhaust line, the problem that water stains are difficult to be discharged after the exhaust line is pressed and cooling water is passed through the tire tread 1 is solved, simultaneously ensures that the gas between the layers and the interlayer is smoothly discharged from the exhaust line in the molding and pressing process, can smoothly discharge the gas between the tire tread and other components, achieves the effect of uniform and effective exhaust, thereby guaranteed that the back part of pressfitting closely laminates and does not have gas, solved the problem that present air discharge line exists in two aspects of extrusion air discharge line dewatering and shaping pressfitting exhaust effect.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A tire tread vent line stitching device, comprising:
the conveying roller way (7) is composed of a plurality of conveying rollers which are arranged along the production line and provided with frames on two sides;
the pressure regulating cylinder (5) is installed on the fixing frame (4), and the fixing frame (4) is installed on the frames on two sides of the conveying roller way (7);
the sponge roller (2) is mounted on the adjusting rod of the pressure adjusting cylinder (5) through a roller bracket (6); and
the bottom pressing roller (3), the bottom pressing roller (3) is located on the rollgang (7) of sponge roller (2) below, the bottom pressing roller (3) is the setting of crossing, bottom pressing roller (3) with be used for pressfitting tire tread (1) between sponge roller (2).
2. A tyre tread venting line stitching device according to claim 1, wherein the bottom pressing roller (3) is arranged crosswise in a V-shape on the rollgang (7), the crosswise arranged bottom pressing roller (3) being located between the conveying rollers of the rollgang (7).
3. A tyre tread venting line stitching device as claimed in claim 2, characterized in that the bottom pressure roller (3) is located directly below the sponge roller (2).
4. A tyre tread exhaust line stitching device according to claim 3, wherein the cross bottom pressing roller (3) is installed between the conveying rollers of the conveying roller table (7), the upper end surface of the bottom pressing roller (3) is flush with the upper end surface of the conveying rollers of the conveying roller table (7), the position and the angle of the cross bottom pressing roller (3) are fixed, and the bottom pressing roller (3) is rotatably arranged around the axial center line thereof.
5. A tyre tread venting line stitching device according to claim 4, wherein the base roller (3) is further provided with a rib (31), the rib (31) being adapted to press out the venting line of the tyre tread (1).
6. The tire tread vent line stitching device according to claim 5, wherein an inclined angle is formed between the rib (31) on the bottom pressing roller (3) and the axial center line of the bottom pressing roller (3), and an installation inclination angle is formed between the bottom pressing roller (3) and the conveying rollers of the conveying roller table (7).
7. A tyre tread venting line stitching device as claimed in claim 6, characterized in that the venting line is formed at the bottom of the tyre tread (1) when the tyre tread (1) passes between the sponge roller (2) and the base roller (3) with the rib (31).
8. A tyre tread venting line stitching device as claimed in claim 7, characterized in that the angle of the stitching in the circumferential direction of the tyre tread (1) superimposed to the translation direction of the bottom roller (3) coincides with the venting line angle.
9. A method of applying a tire tread (1) with a vent line, the method of applying a tire tread (1) with a vent line based on the apparatus of any one of claims 1 to 8, the method of applying a tire tread (1) with a vent line comprising the steps of:
the bottom pressing roller (3) is arranged between conveying rollers of a conveying roller way (7) in a crossed manner, the sponge roller (2) is driven to move through a pressure regulating cylinder (5), and the distance between the sponge roller (2) and the bottom pressing roller (3) is regulated;
when a tire tread (1) on a production line passes through a high-temperature-resistant sponge roller (2) and a bottom pressing roller (3) with an angle convex rib (31), a pressure regulating cylinder (5) drives the high-temperature-resistant sponge roller (2) to move to regulate the pressing pressure on the tire tread (1), and an exhaust line is formed at the bottom of the tire tread (1) under the pressing of the convex rib (31) of the bottom pressing roller (3);
after the tire tread (1) forming the exhaust line is cooled and reaches the blowing and dewatering position, the blowing and dewatering position discharges water in the groove of the exhaust line through wind pressure.
10. A method of applying a vent line to a tire tread according to claim 9, wherein the angle of the tire tread (1) superimposed on the translation direction of the ground pressure roller (3) when the tire tread is applied to the other members in the circumferential direction of the tire tread (1) is made to coincide with the vent line angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210149576.9A CN114889183A (en) | 2022-02-18 | 2022-02-18 | Tire tread exhaust line pressing device and pressing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210149576.9A CN114889183A (en) | 2022-02-18 | 2022-02-18 | Tire tread exhaust line pressing device and pressing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114889183A true CN114889183A (en) | 2022-08-12 |
Family
ID=82715639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210149576.9A Withdrawn CN114889183A (en) | 2022-02-18 | 2022-02-18 | Tire tread exhaust line pressing device and pressing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114889183A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115609988A (en) * | 2022-12-05 | 2023-01-17 | 东营市方兴橡胶有限责任公司 | Tread exhaust line pressing device and using method thereof |
-
2022
- 2022-02-18 CN CN202210149576.9A patent/CN114889183A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115609988A (en) * | 2022-12-05 | 2023-01-17 | 东营市方兴橡胶有限责任公司 | Tread exhaust line pressing device and using method thereof |
| CN115609988B (en) * | 2022-12-05 | 2023-03-17 | 东营市方兴橡胶有限责任公司 | Tread exhaust line pressing device and using method thereof |
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Application publication date: 20220812 |