CN114148008A

CN114148008A - Joint compression roller, laminating mechanism and laminating method

Info

Publication number: CN114148008A
Application number: CN202111565034.1A
Authority: CN
Inventors: 杨慧丽; 王云兴; 戚坤; 吕晓俊
Original assignee: Mesnac Co Ltd; Qingdao Mesnac Electromechanical Engineering Co Ltd
Current assignee: Mesnac Co Ltd; Qingdao Mesnac Electromechanical Engineering Co Ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-03-08

Abstract

The invention provides a joint compression roller, a fitting mechanism and a fitting method, wherein the joint compression roller is used for crimping a joint of a tire tread and comprises a support and a rotating shaft, and the rotating shaft is arranged on the support; the disc assembly is movably arranged relative to the rotating shaft and is used for crimping a joint of the tire tread; and the elastic component is arranged between the rotating shaft and the disc component, and the disc component is contacted with the rotating shaft through the elastic component and moves relative to the rotating shaft. The joint compression roller solves the problem that in the prior art, the tire tread and the belted layer are not tightly attached or the joint of the tire tread and the belted layer are not tightly attached.

Description

Joint compression roller, laminating mechanism and laminating method

Technical Field

The invention relates to the technical field of tire manufacturing, in particular to a joint compression roller, a laminating mechanism and a laminating method.

Background

The tire tread feeding frame is used for conveying tire tread materials to the fitting drum by the feeding frame template during fitting, the tire tread materials are pressed on a belt ply which is already fitted on the fitting drum by the multi-sheet joint compression roller device during fitting, a plurality of joint compression rollers have certain pressing effect on the tire tread joint when fitting is finished, but because the discs of the multi-sheet joint compression rollers are plane rollers, the tire tread pressing with a certain groove on the surface has moving limitation, if the tire tread joint pressing is not good, the problems of air bubbles and the like exist in the tire tread joint after the joint is opened or vulcanized in the joint after fitting.

Disclosure of Invention

The invention mainly aims to provide a joint compression roller, a fitting mechanism and a fitting method, and aims to solve the problem that in the prior art, a tread and a belted layer are not tightly fitted or a joint of the tread and the belted layer are not tightly fitted.

In order to achieve the above object, according to one aspect of the present invention, there is provided a joint roller for crimping a joint of a tread, the joint roller comprising a bracket, a rotating shaft provided on the bracket; the disc assembly is movably arranged relative to the rotating shaft and is used for crimping a joint of the tire tread; and the elastic component is arranged between the rotating shaft and the disc component, and the disc component is contacted with the rotating shaft through the elastic component and moves relative to the rotating shaft.

Further, the disc assembly includes: the plurality of discs are sequentially sleeved on the rotating shaft along the axial direction of the rotating shaft so as to respectively slide relative to the rotating shaft.

Further, the disc is of an annular structure, the outer edge of the disc is provided with a pressing surface, the pressing surface is used for being abutted to the tread, the rotating shaft penetrates through the inner side of the disc, and the disc slides relative to the rotating shaft through the hole in the inner side.

Furthermore, the disk is of an annular structure, and the compression joint surface is an arc surface.

Further, the elastic component adopts rubber or a spring.

According to a second aspect of the present invention, there is provided a bonding mechanism, including a bonding pressing roller for pressing a tread onto a belt, and a joint pressing roller for pressing a joint of the tread, wherein the joint pressing roller is the above-mentioned joint pressing roller.

Further, laminating mechanism still includes: the laminating drum is wound with a belt ply; the driving device is in driving connection with the joint pressing roller so as to drive the joint pressing roller to press the joint of the tread on the belted layer; the tire tread conveying belt is used for conveying the tire tread to the fitting drum; wherein, when the tread is close to the laminating drum, the laminating compression roller is close to the laminating drum in order to carry out the pressfitting with the tread on belted layer to make the joint compression roller carry out the pressfitting to the joint of tread after the laminating compression roller crimping finishes.

According to a third aspect of the present invention, there is provided a fitting method for applying a tread to a belt, the fitting method comprising: step S1: moving the tire tread close to the belted layer until the tire tread is in contact joint with the belted layer; step S2: pressing and attaching a joint at one end of the tread and the belted layer by an attaching compression roller; step S3: the fitting drum drives the belt ply and the tire tread to synchronously rotate along a first preset direction, so that the fitting compression roller continuously compresses the tire tread on the belt ply; step S4: and pressing and fitting the joint position of the tread again through a joint pressing roller.

Further, between step S3 and step S4, the attaching method includes: step S31: and the laminating drum rotates reversely and rotates along the direction opposite to the first preset direction, so that the laminating press roller presses the tire surface and the belted layer again.

Further, after step S4, the attaching method includes: step S31: and enabling the laminating drum to rotate reversely and along the direction opposite to the first preset direction, so that the laminating press roller presses the tire surface and the belted layer again.

The joint compression roller applying the technical scheme of the invention is mainly applied to pressing the tire tread when the tire is molded, the joint compression roller can be adjusted according to the flatness of the tire tread, specifically, the joint compression roller is coated with a layer of elastic component on a rotating shaft, the elastic component can stretch, the disc component is sleeved on the outer side of the elastic component, so that the disc component can stretch and move along the radial direction relative to the rotating shaft, the disc component is directly attached and pressed with the tire tread when the joint compression roller is used, when the tire tread has folds or bulges, the disc component can bear a force towards the direction of the elastic component, meanwhile, the elastic component can also apply an elastic restoring force to the disc component, the disc component is applied to the tire tread through the disc component, other positions of the disc component can also be attached to the tire tread at the moment, the arrangement of the elastic component can ensure that the disc component is completely attached according to different heights of the tire tread, the problem that when the traditional joint compression roller is used for pressing uneven tread, the traditional joint compression roller can only be attached to the part with the highest protrusions, but cannot be attached to the positions with the lower protrusions and without the protrusions and the grooves is solved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a schematic view of an embodiment of a piecing roller according to the present invention; and

FIG. 2 is a schematic view of an embodiment of a laminating roller of the laminating mechanism of the present invention in operation;

fig. 3 shows a schematic view of an embodiment of the laminating mechanism of the present invention when the joint rolls are in operation.

Wherein the figures include the following reference numerals:

10. a joint press roll; 11. a support; 12. a rotating shaft; 13. an elastic component; 14. a disc assembly; 20. laminating the drums; 30. a tread belt; 40. a drive device; 50. and (7) attaching a compression roller.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

The invention provides a joint compression roller 10, a fitting mechanism and a fitting method, and aims to solve the problems that in the prior art, a tire tread and a belted layer are not tightly fitted or a joint of the tire tread and the belted layer are not tightly fitted.

Referring to fig. 1 and 3, a joint roller 10 includes a bracket 11, a rotating shaft 12, an elastic component 13 and a disc component 14, the joint roller 10 is used for pressing a joint of a tread, and the rotating shaft 12 is arranged on the bracket 11; the disc component 14 is movably arranged relative to the rotating shaft 12, and the disc component 14 is used for pressing and connecting a joint of a tire tread; the elastic member 13 is disposed between the rotation shaft 12 and the disc member 14, and the disc member 14 is in contact with the rotation shaft 12 through the elastic member 13 and moves relative to the rotation shaft 12.

The invention provides a joint compression roller 10, the joint compression roller 10 is mainly applied to pressing a tire tread when a tire is formed, in addition, a joint compression roller can also press a rubber strip on the tire or press other rubber materials, the joint compression roller 10 can be adjusted according to the flatness of the tire tread, specifically, when a disc component is abutted on the tire tread, the tire tread gives a reaction force to the disc component to push the disc component to move relative to a rotating shaft, an elastic component 13 is arranged between the rotating shaft 12 and the disc component, therefore, the disc component compresses the elastic component to move relative to the rotating shaft, the disc component 14 is directly attached and pressed with the tire tread when the joint compression roller 10 is used, when the tire tread has wrinkles or bulges, the disc component 14 is subjected to a force towards the elastic component 13, and meanwhile, the elastic component 13 also applies an elastic restoring force to the disc component 14, apply for the tread through disc assembly 14, disc assembly 14 other positions also can laminate with the tread this moment, can ensure disc assembly 14 and laminate completely according to the difference of height of tread through setting up elastic component 13, avoided traditional joint compression roller 10 when the uneven tread of pressfitting height, can only laminate with the portion that the arch is the highest, and can't laminate with the arch is lower and do not have the place of arch and recess the problem.

The disc assembly 14 includes a plurality of discs, which are sequentially sleeved on the elastic assembly 13 along the axial direction of the rotating shaft 12 to respectively slide relative to the rotating shaft.

According to one embodiment, the disc assembly 14 employs a plurality of discs, the size of the hole inside the disc is larger than that of the rotating shaft, so that the disc can move relative to the rotating shaft, and the discs are sleeved on the rotating shaft 12 independently to correspond to different positions on the tire tread during use, so that when the tire tread corresponding to one or more discs is provided with a protrusion, the disc can retract without affecting the combination of other discs and the tire tread; the disc is of an annular structure, the outer edge of the disc is provided with a pressing surface, and the pressing surface is used for being abutted against the tire tread so as to press the tire tread on the belted layer.

According to another embodiment, the disc assembly 14 is a unitary piece and is made of a resilient material, such as rubber or cotton, the disc is of annular configuration and the outer edge of the disc is of a saw tooth configuration.

The elastic component 13 includes a flexible sleeve, the flexible sleeve is sleeved on the rotating shaft 12, wherein a hollow cavity is arranged in the flexible sleeve, and the hollow cavity extends for a circle along the circumferential direction of the flexible sleeve.

In this embodiment, the flexible sleeve may be made of plastic, spring or rubber, and a gas or liquid with a certain pressure is introduced into the hollow cavity to ensure the elastic restoring force of the flexible sleeve.

The joint compression roller 10 is further provided with an air pipe which is communicated with the hollow cavity of the flexible sleeve, and the hollow cavity is a closed cavity so that the pressure in the hollow cavity can reach a preset value by conveying air into the hollow cavity.

The rotating shaft 12 is a square shaft, and at the moment, the inner hole of the flexible sleeve or the disk is a square hole so as to rotate along with the square shaft.

The crimping face is the arcwall face, and the arcwall face is protruding towards the laminating drum, and the arcwall face can apply bigger power for the joint position after contacting with the tread like this to promote tread and belted layer laminating.

The invention also provides a fitting mechanism which comprises a fitting compression roller 50, wherein the fitting compression roller 50 is used for pressing the tread on the belted layer, the fitting mechanism also comprises a joint compression roller 10, the joint compression roller 10 is used for pressing the joint of the tread, and the joint compression roller 10 is the joint compression roller 10.

The fitting mechanism adopts a secondary fitting method, firstly, the whole tread is rolled by the fitting compression roller so as to be convenient, and then, the joint position of the tread is rolled by the joint compression roller, so that the tread and the belted layer are combined more tightly.

The attaching mechanism further comprises an attaching drum 20, a driving device 40 and a tread conveying belt 30, wherein a belt layer is wound on the attaching drum 20; the driving device 40 is in driving connection with the joint pressing roller 10 to drive the joint pressing roller 10 to press the joint of the tread on the belt layer; a tread belt 30 for transferring the tread onto the application drum 20; when the tread is close to the attaching drum 20, the attaching press roller 50 is close to the attaching drum 20 to press the tread on the belt layer, and the joint press roller 10 is used for pressing the joint of the tread after the pressing of the attaching press roller 50 is finished.

According to a particular embodiment, the driving means 40 are cylinders that drive the joint rollers 10 closer to or further from the tread.

The tread belt 30 is used to guide the tread to the application drum 20, the application drum 20 is rotated to wind up the tread, and then the joint roller 10 presses the tread to the belt on the application drum 20.

The joining press roller 10 is plural, and the plural joining press rollers 10 are arranged at intervals in the circumferential direction of the laminating drum 20.

The plurality of joint rolls 10 are arranged in a row and closely adjacent to each other, and according to a specific embodiment, the driving means 40 includes a plurality of cylinders provided in one-to-one correspondence with the plurality of joint rolls 10 to simultaneously drive the plurality of joint rolls 10 to move.

According to another specific embodiment, the attaching mechanism further comprises a mounting plate, the plurality of joint rollers 10 are arranged on the mounting plate in a row, and the driving device 40 is in driving connection with the mounting plate so as to drive the plurality of joint rollers 10 to move through the mounting plate.

In addition, the laminating mechanism of this application still includes the controller, and the controller adjusts the pressure of importing gas or liquid to the hollow cavity of flexible sleeve.

The bonding method includes step S1: moving the tire tread close to the belted layer until the tire tread is in contact joint with the belted layer; step S2, pressing and jointing the joint at one end of the tread and the belt layer through a jointing press roller 50; step S3, the fitting drum 20 drives the belt and the tread to rotate synchronously along a first preset direction, so that the fitting pressing roller 50 continuously presses the tread on the belt; step S4 is to press fit the joint position of the tread again by the joint press roller 10.

The fitting method adopts a method of fitting for multiple times to ensure that the tire tread and the belted layer can be tightly connected, in the fitting process, the whole tire tread is rolled once along the clockwise direction by adopting the fitting compression roller, the fitting compression roller can rotate to reduce the friction force between the tire tread and the fitting compression roller in the rolling process, then the fitting drum rotates reversely, the tire tread rotates along the anticlockwise direction to roll the fitting compression roller once again, and finally the joint position of the tire tread is rolled by adopting the joint compression roller.

In addition, the attaching method may further include, after step S3 is performed, rolling the tread joint position by using the joint pressing roller, then reversing the attaching drum so that the attaching pressing roller rolls the tread again, and then rolling the joint position by using the joint pressing roller again.

The joint press roller 10 in the attaching method of the present invention adopts the attaching mechanism described above to compress the tread and the belt.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A splice roller for use in crimping a splice of a tread, the splice roller comprising:

a support (11);

the rotating shaft (12), the said rotating shaft (12) is set up on the said support (11);

a disc assembly (14), wherein the disc assembly (14) is movably arranged relative to the rotating shaft (12), and the disc assembly (14) is used for pressing and connecting the joint of the tread;

an elastic member (13), wherein the elastic member (13) is arranged between the rotating shaft (12) and the disc assembly (14), and the disc assembly (14) is contacted with the rotating shaft (12) through the elastic member (13) and moves relative to the rotating shaft (12).

2. Joint press roll according to claim 1, characterized in that said disc assembly (14) comprises:

the disc plates are sequentially sleeved on the rotating shaft (12) along the axial direction of the rotating shaft (12) and respectively slide relative to the rotating shaft (12).

3. The joining roller according to claim 2, characterized in that said disc is of annular configuration, the outer edge of said disc being provided with a crimping surface for abutment against said tread, said shaft (12) being pierced on the inner side of said disc, said disc sliding with respect to said shaft (12) through a hole on the inner side.

4. The joining press roll according to claim 3, wherein the disk is of an annular configuration and the crimping surface is an arcuate surface.

5. A joining press according to claim 1, characterised in that said elastic member (13) is rubber or spring.

6. A bonding mechanism, comprising a bonding compression roller (50), wherein the bonding compression roller (50) is used for pressing a tread on a belt, and the bonding mechanism is characterized by further comprising a joint compression roller (10), wherein the joint compression roller (10) is used for crimping a joint of the tread, and the joint compression roller (10) is the joint compression roller (10) according to any one of claims 1 to 5.

7. The conformable mechanism of claim 6, further comprising:

a laminating drum (20), wherein a belt layer is wound on the laminating drum (20);

a driving device (40), wherein the driving device (40) is in driving connection with the joint pressing roller (10) to drive the joint pressing roller (10) to press the joint of the tread on a belt layer;

a tread conveyor belt (30), the tread conveyor belt (30) being for conveying the tread onto the application drum (20);

when the tire tread is close to the attaching drum (20), the attaching press roller (50) is close to the attaching drum (20) to press the tire tread on the belt layer, and after the attaching press roller (50) is pressed, the joint press roller (10) presses the joint of the tire tread.

8. A method of applying a tread to a belt, the method comprising:

step S1: the tread moves close to the belt layer until the tread is in contact fit with the belt layer;

step S2: pressing and attaching a joint at one end of the tire tread and the belt layer through an attaching compression roller (50);

step S3: the laminating drum (20) drives the belt layer and the tire surface to synchronously rotate along a first preset direction, so that the laminating press roller (50) continuously presses the tire surface on the belt layer;

step S4: and pressing and jointing the joint position of the tread again through a joint pressing roller (10).

9. The attaching method according to claim 8, wherein between the step S3 and the step S4, the attaching method includes:

step S31: the laminating drum (20) rotates reversely and rotates along the direction opposite to the first preset direction, so that the laminating press roller (50) presses the tire surface and the belt layer again.

10. The attaching method according to claim 8, wherein after the step S4, the attaching method includes:

step S31: and enabling the laminating drum (20) to reversely rotate and rotate along the direction opposite to the first preset direction, so that the laminating press roller (50) can be used for laminating the tire surface and the belt layer again.