CN111216389A - Tire tread laminating machine and laminating method thereof - Google Patents
Tire tread laminating machine and laminating method thereof Download PDFInfo
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- CN111216389A CN111216389A CN202010327779.3A CN202010327779A CN111216389A CN 111216389 A CN111216389 A CN 111216389A CN 202010327779 A CN202010327779 A CN 202010327779A CN 111216389 A CN111216389 A CN 111216389A
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- auxiliary drum
- cover body
- press roller
- tire tread
- tread
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
Abstract
The invention relates to a tire tread laminating machine and a laminating method thereof, belonging to the technical field of tire tread molding. The auxiliary drum member includes: the auxiliary drum and a movement mechanism driving the auxiliary drum to move; the press roller component comprises: the device comprises a compression roller, a large cylinder driving the compression roller to move in the vertical direction, a small cylinder driving the compression roller to move in the horizontal direction and a fine adjustment assembly. The cover body is provided with an air exhaust hole penetrating through the upper wall of the cover body, the lower ends of two side walls of the cover body, which are vertical to the axial direction of the compression roller arranged in the cover body, are curved, and the lower ends of four side walls of the cover body are provided with sealing rubber strips. By adopting the laminating machine provided by the invention, the running mode and the acting direction of the compression roller are changed, the length of the compression roller is increased, and the tire tread is laminated by adopting an air exhaust mode, so that the quality of the tire tread lap joint can be improved.
Description
Technical Field
The invention relates to the technical field of tire tread molding, in particular to a tire tread laminating machine and a laminating method thereof.
Background
The tread surface of the tire, which is in contact with the ground when the vehicle is running, is the tread surface of the tire. In the tire production process, one or more layers of belt strips are firstly pasted and covered on an auxiliary forming drum, cut tread rubber with a fixed length is pasted and covered on the belt strips, and two end parts of the tread rubber need to be lapped, pressed and pasted; and moving the formed annular tire tread to a main forming drum to perform integral forming of the tire. In order to ensure the bonding effect of the overlapped part, the end part of the tread is generally cut into an inclined plane, a certain overlapping width is kept, and the inclined plane is overlapped.
In the chinese patent with the publication number of CN101966756B, a full-automatic tread laminating machine and a laminating method thereof are provided, which mainly solve the problems that the circumference of the cut tread rubber and the surface of the tire body has a certain error, often resulting in the tread rubber not being long enough or remaining extra head, can effectively save the material used for the tread rubber, control the tread rubber and the tire body to keep longitudinal coaxial centering, avoid the deviation phenomenon, have high laminating operation accuracy and strong tightness, and are not easy to leave air bubbles.
At present, the existing laminating press roller moves along the axial direction of an auxiliary drum and runs from one side of tread rubber to the other side of the tread rubber to carry out rolling lamination on the tread rubber in a lap joint area, but the stroke of the laminating press roller is limited, and the laminating press roller is not suitable for preparing wide-tread tires; moreover, the rolling direction of the compression roller in the prior art is perpendicular to the radian direction of the overlapping area of the tire tread, and the air exhaust at the overlapping surface is not facilitated, so that the tire is easily damaged at the overlapping surface, and the quality of the tire is influenced.
Disclosure of Invention
The invention provides a tire tread laminating machine, which changes the running mode and the acting direction of a compression roller, increases the length of the compression roller and adopts an air exhaust mode to solve the technical problems.
The specific technical scheme is a tire tread rigging machine, includes: an auxiliary drum member supporting the tread and a press roller member for rolling;
the auxiliary drum member includes: the auxiliary drum and a movement mechanism driving the auxiliary drum to move;
the press roller component comprises: the device comprises a compression roller, a large cylinder driving the compression roller to move in the vertical direction, a small cylinder driving the compression roller to move in the horizontal direction and a fine adjustment assembly;
in the fine adjustment assembly, a fixed bulge is arranged on the outer side of the top of the shell, the bottom of the shell is fixedly connected with the upper end of the spring, and the lower end of the spring is fixedly connected with the upper end of the connector;
the compression roller is arranged on the support frame, the support frame is arranged in the cover body, and the fixed end of the small air cylinder is fixedly arranged on the inner wall of the cover body;
one side of a shell in the fine adjustment assembly is fixedly connected with the movable end part of the small cylinder, the bulge and the sliding groove in the cover body form a sliding block-rail fit, and the lower end of the connecting body is fixedly connected with the supporting frame;
an inner clamping part is arranged on the outer side above the cover body, the end part of a telescopic rod of the large air cylinder arranged above the cross beam is rigidly connected with an outer clamping part, and the inner clamping part and the outer clamping part are fixedly connected through bolts;
the cover body is provided with an air exhaust hole penetrating through the upper wall of the cover body, the lower ends of two side walls of the cover body, which are vertical to the axial direction of the compression roller arranged in the cover body, are curved, and the lower ends of four side walls of the cover body are provided with sealing rubber strips.
Further, among the fine setting subassembly, the bottom opening of casing, the upper end activity joint of connector is in the bottom of casing, and the spring mounting contacts at the upper end of the inside, the lower extreme of spring and connector of casing.
Furthermore, the compression roller is arranged on the inner side of the support frame in a shaft hole movable connection mode through two ends of the compression roller.
Furthermore, the auxiliary drum is arranged on the transmission shaft and is coaxially matched with the transmission shaft, one end of the transmission shaft is connected with a speed reducer, and the speed reducer is connected with the motor.
Furthermore, the speed reducer and the motor are arranged on the support plate, the support plate is fixed on the outer side of the first base, and a reinforcing rib is arranged between the first base and the support plate.
The invention discloses a tire tread laminating method, which uses a tire tread laminating machine provided by the invention and comprises the following steps:
s1, moving the auxiliary drum covered with the belt and the tread rubber to a transmission shaft, starting a motor to drive the auxiliary drum to rotate, and enabling the lap joint areas at the two end parts of the tread rubber to be located above the auxiliary drum;
s2, opening the large cylinder to enable the cover body to fall to a position with a distance of 0-50mm from the auxiliary drum, and simultaneously enabling the press roller to be in contact with the tread rubber on the auxiliary drum;
s3, connecting air extraction equipment at the outer end of the air extraction hole to extract air, pressing the sealing rubber strip to the auxiliary drum and the cover body to form a closed space between the auxiliary drum and the cover body, and extracting air between two end parts of the tread rubber;
s4, opening the small cylinder to drive the fine adjustment assembly and the press roller to move along the sliding groove, wherein in the movement, the spring inside the fine adjustment assembly stretches and contracts to enable the press roller to be in contact with the tread rubber on the auxiliary drum, and the two end parts of the tread rubber are attached under the pressure action of the press roller.
The invention has the beneficial technical effects that:
① the operation mode and the action direction of the press roller are changed, the length of the press roller is increased, the press roller can be applied to treads of various widths, and the preparation of wide tread tires is facilitated;
② the central axis of the press roller is parallel to the central axis of the auxiliary drum, the press roller rolls along the horizontal movement, the rolling direction is along the radian direction of the tread overlapping area, which is convenient to drive out the gas between the two end parts of the tread rubber, thus realizing the complete joint;
③ a cover body is arranged on the press roller, a sealing rubber strip is arranged under the cover body, when air is pumped, the sealing rubber strip presses the auxiliary drum and the cover body, so that a closed space is formed between the auxiliary drum and the cover body, the air exhaust effect can be greatly improved by air pumping, and the influence of external conditions on the tread attachment is avoided;
④ the laminating machine of the invention changes the operation mode and action direction of the press roller, increases the length of the press roller, and adopts the air exhaust mode to laminate the tread, thus improving the quality of the overlapping of the tread.
Drawings
FIG. 1 is a schematic structural view of a tire tread laminating machine according to the present invention;
FIG. 2 is a top view of the mounting rear housing of the present invention;
FIG. 3 is a right side view of the mounting rear housing of the present invention;
FIG. 4 is a schematic view of the assembly of the press roll, the support frame and the fine adjustment assembly of the present invention;
FIG. 5 is a schematic diagram of a trimming assembly according to the present invention.
Description of reference numerals:
1. an auxiliary drum member is provided on the drum main body,
101. auxiliary drum 102, motor 103, speed reducer 104, transmission shaft 105, first base 106, support plate 107 and reinforcing rib,
201. a press roll 202, a support frame 203, a fine adjustment component 204, a cover body 205, a sliding chute 206, an air suction hole 207, an inner clamping part 208, a big cylinder 209, an expansion rod 210, an outer clamping part 211, a cross beam 212, a small cylinder 213 and a second base,
2031. housing, 2032, spring, 2033, connector, 2034, protrusion.
Detailed Description
The following description of the embodiments of the present invention refers to the accompanying drawings and examples:
it should be noted that the structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are only for the purpose of understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the following claims, and any modifications of the structures, changes in the proportions and adjustments of the sizes, without affecting the efficacy and attainment of the same, are intended to fall within the scope of the present disclosure.
In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Example (b):
with reference to fig. 1-5, a tire tread laminating machine comprises: an auxiliary drum member 1 for supporting a tread and a press roller member for rolling;
the auxiliary drum member 1 includes: an auxiliary drum 101 and a moving mechanism for moving the auxiliary drum 101;
the press roller component comprises: the device comprises a compression roller 201, a large air cylinder 208 for driving the compression roller 201 to move in the vertical direction, a small air cylinder 212 for driving the compression roller 201 to move in the horizontal direction and a fine adjustment assembly 203;
in the fine adjustment assembly 203, a fixed protrusion 2034 is arranged on the outer side of the top of the housing 2031, the bottom of the housing 2031 is fixedly connected with the upper end of the spring 2032, and the lower end of the spring 2032 is fixedly connected with the upper end of the connecting body 2033;
the press roller 201 is arranged on a support frame 202, the support frame 202 is arranged in the cover body 204, and the fixed end of a small air cylinder 212 is fixedly arranged on the inner wall of the cover body 204;
one side of a shell 2031 in the fine adjustment assembly 203 is fixedly connected with the movable end part of the small air cylinder 212, a bulge 2034 and a chute 205 in the cover body 204 form a slide block-track fit, and the lower end of a connecting body 2033 is fixedly connected with the support frame 202;
an inner clamping part 207 is arranged on the outer side above the cover body 204, the end part of an expansion rod 209 of a large cylinder 208 arranged above a cross beam 211 is rigidly connected with an outer clamping part 210, and the inner clamping part 207 and the outer clamping part 210 are fixedly connected through bolts; the cross beam 211 is erected between the two second bases 213 and is higher than the auxiliary drum 101;
an air suction hole 206 penetrating through the upper wall of the cover 204 is formed above the cover 204, the lower ends of two side walls of the cover 204 perpendicular to the axial direction of the press roll 201 installed inside the cover are curved, and sealing rubber strips are installed at the lower ends of four side walls of the cover 204.
Further, in the fine adjustment assembly 203, the bottom of the housing 2031 is open, the upper end of the connector 2033 is movably clamped to the bottom of the housing 2031, the spring 2032 is installed inside the housing 2031, and the lower end of the spring 2032 is in contact with the upper end of the connector 2033.
Further, the compression roller 201 is installed inside the support frame 202 through two ends thereof in a shaft hole movable connection manner.
Further, the auxiliary drum 101 is mounted on the transmission shaft 104, the auxiliary drum 101 and the transmission shaft 104 are coaxially matched, one end of the transmission shaft 104 is connected with the speed reducer 103, and the speed reducer 103 is connected with the motor 102.
Further, the reduction gear 103 and the motor 102 are mounted on a stay 106, the stay 106 is fixed to the outside of the first base 105, and a reinforcing rib 107 is provided between the first base 105 and the stay 106.
The invention discloses a tire tread laminating method, which uses a tire tread laminating machine provided by the invention and comprises the following steps:
s1, moving the auxiliary drum 101 covered with the belt layer and the tread rubber to the transmission shaft 104, starting the motor 102 to drive the auxiliary drum 101 to rotate, and enabling the overlapping areas at the two end parts of the tread rubber to be located above the auxiliary drum 101;
s2, opening the large air cylinder 208 to enable the cover body 204 to fall to a position with a distance of 0-50mm from the auxiliary drum 101, and simultaneously enabling the press roller 201 to be in contact with the tread rubber on the auxiliary drum 101;
s3, connecting air-extracting equipment at the outer end of the air-extracting hole 206 for air extraction, pressing the sealing rubber strip to the auxiliary drum 101 and the cover 204 to form a closed space between the auxiliary drum 101 and the cover 204, and extracting air between two end parts of the tread rubber;
s4, the small cylinder 212 is opened to drive the fine tuning assembly 203 and the pressure roller 201 to move along the chute 205, and during the movement, the spring 2032 inside the fine tuning assembly 203 expands and contracts to keep the pressure roller 201 in contact with the tread rubber on the auxiliary drum 101, so that the two ends of the tread rubber are attached under the pressure of the pressure roller 201.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (6)
1. A tire tread laminating machine comprising: an auxiliary drum component (1) for supporting the tire tread and a press roller component for rolling; it is characterized in that the preparation method is characterized in that,
the auxiliary drum member (1) includes: the auxiliary drum (101) and a movement mechanism driving the auxiliary drum (101) to move;
the press roller component comprises: the device comprises a press roller (201), a large cylinder (208) driving the press roller (201) to move in the vertical direction, a small cylinder (212) driving the press roller (201) to move in the horizontal direction and a fine adjustment assembly (203);
in the fine adjustment assembly (203), a fixed bulge (2034) is arranged on the outer side of the top of a shell (2031), the bottom of the shell (2031) is fixedly connected with the upper end of a spring (2032), and the lower end of the spring (2032) is fixedly connected with the upper end of a connecting body (2033);
the press roller (201) is arranged on the support frame (202), the support frame (202) is arranged in the cover body (204), and the fixed end of the small cylinder (212) is fixedly arranged on the inner wall of the cover body (204);
one side of a shell (2031) in the fine adjustment component (203) is fixedly connected with the movable end part of the small cylinder (212), a bulge (2034) and a chute (205) in the cover body (204) form a slide block-track fit, and the lower end of a connecting body (2033) is fixedly connected with the support frame (202);
an inner clamping part (207) is arranged on the outer side above the cover body (204), the end part of a telescopic rod (209) of a large air cylinder (208) arranged above the cross beam (211) is rigidly connected with an outer clamping part (210), and the inner clamping part (207) is fixedly connected with the outer clamping part (210) through bolts;
an air exhaust hole (206) penetrating through the upper wall of the cover body (204) is formed above the cover body (204), the lower ends of two side walls, perpendicular to the axial direction of the press roll (201) installed in the cover body (204), of the two side walls are curved, and sealing rubber strips are installed at the lower ends of the four side walls of the cover body (204).
2. The tire tread laminating machine of claim 1, wherein in the fine adjustment assembly (203), the bottom of the housing (2031) is opened, the upper end of the connecting body (2033) is movably clamped at the bottom of the housing (2031), the spring (2032) is installed inside the housing (2031), and the lower end of the spring (2032) is contacted with the upper end of the connecting body (2033).
3. The tire tread laminating machine of claim 1, wherein the press roller (201) is pivotally mounted at its two ends to the inside of the support frame (202).
4. The tire tread laminating machine of claim 1, wherein the auxiliary drum (101) is mounted on a drive shaft (104) and the auxiliary drum (101) is coaxially engaged with the drive shaft (104), one end of the drive shaft (104) is connected to a speed reducer (103), and the speed reducer (103) is connected to the motor (102).
5. The tire tread laminating machine of claim 4, wherein the speed reducer (103) and the motor (102) are mounted on a support plate (106), the support plate (106) is fixed to the outer side of the first base (105), and a reinforcing rib (107) is provided between the first base (105) and the support plate (106).
6. A method for applying a tread of a tire, comprising the steps of:
s1, moving the auxiliary drum (101) covered with the belt layer and the tread rubber to the transmission shaft (104), starting the motor (102) to drive the auxiliary drum (101) to rotate, and enabling the overlapping areas at two end parts of the tread rubber to be located above the auxiliary drum (101);
s2, starting a large air cylinder (208), enabling the cover body (204) to fall to a position with a distance of 0-50mm from the auxiliary drum (101), and simultaneously enabling the press roller (201) to be in contact with the tread rubber on the auxiliary drum (101);
s3, connecting air extraction equipment at the outer end of the extraction hole (206) for air extraction, pressing the sealing rubber strip to the auxiliary drum (101) and the cover body (204) to form a closed space between the auxiliary drum (101) and the cover body (204), and extracting air between two end parts of the tread rubber;
s4, a small cylinder (212) is started to drive the fine adjustment assembly (203) and the press roller (201) to move along the sliding groove (205), in the movement, a spring (2032) in the fine adjustment assembly (203) stretches and contracts to enable the press roller (201) to be kept in contact with the tread rubber on the auxiliary drum (101), and under the pressure action of the press roller (201), two end parts of the tread rubber are attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010327779.3A CN111216389B (en) | 2020-04-23 | 2020-04-23 | Tire tread laminating machine and laminating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010327779.3A CN111216389B (en) | 2020-04-23 | 2020-04-23 | Tire tread laminating machine and laminating method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111216389A true CN111216389A (en) | 2020-06-02 |
| CN111216389B CN111216389B (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010327779.3A Active CN111216389B (en) | 2020-04-23 | 2020-04-23 | Tire tread laminating machine and laminating method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201226068Y (en) * | 2008-06-26 | 2009-04-22 | 郑春晓 | Semiautomatic attaching apparatus |
| CN201340501Y (en) * | 2008-09-27 | 2009-11-04 | 郑春晓 | Semi-automatic vacuum lining machine |
| CN109143642A (en) * | 2017-06-28 | 2019-01-04 | 芝浦机械电子装置株式会社 | Holding meanss, positioning device and laminating apparatus |
| CN109534326A (en) * | 2019-01-09 | 2019-03-29 | 北京石墨烯研究院 | Graphene film transfer device |
-
2020
- 2020-04-23 CN CN202010327779.3A patent/CN111216389B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201226068Y (en) * | 2008-06-26 | 2009-04-22 | 郑春晓 | Semiautomatic attaching apparatus |
| CN201340501Y (en) * | 2008-09-27 | 2009-11-04 | 郑春晓 | Semi-automatic vacuum lining machine |
| CN109143642A (en) * | 2017-06-28 | 2019-01-04 | 芝浦机械电子装置株式会社 | Holding meanss, positioning device and laminating apparatus |
| CN109534326A (en) * | 2019-01-09 | 2019-03-29 | 北京石墨烯研究院 | Graphene film transfer device |
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| Publication number | Publication date |
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| CN111216389B (en) | 2021-03-23 |
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