CN114872357A

CN114872357A - Mechanical drum

Info

Publication number: CN114872357A
Application number: CN202210688839.3A
Authority: CN
Inventors: 官炳政; 俞一航; 李兴瑞; 王艺; 张科
Original assignee: Mesnac Co Ltd; Qingdao Mesnac Electromechanical Engineering Co Ltd
Current assignee: Mesnac Co Ltd; Qingdao Mesnac Electromechanical Engineering Co Ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-08-09
Also published as: WO2023241712A1

Abstract

The invention provides a mechanical drum which comprises a main shaft assembly, a turn-up mechanism, a locking ring mechanism and a fitting cylinder assembly, wherein the main shaft assembly is rotatably arranged; the turn-up mechanism is arranged on the main shaft assembly so as to attach the sidewall of the tire to a green tire of the tire, wherein the turn-up mechanism comprises two turn-up assemblies which are arranged at intervals along the axial direction of the main shaft assembly and are respectively sleeved on the main shaft assembly; the locking ring mechanism is arranged on the main shaft assembly between the two reverse wrapping assemblies, wherein the locking ring mechanism comprises two locking ring assemblies which are arranged at intervals along the axial direction of the main shaft assembly and are respectively sleeved on the main shaft assembly; the fitting cylinder assembly is sleeved on the main shaft assembly between the two locking ring assemblies so as to support a tire blank of the tire. The mechanical drum solves the problems of few functions and small application range of the mechanical drum in the prior art.

Description

Mechanical drum

Technical Field

The invention relates to the technical field of tire manufacturing, in particular to a mechanical drum.

Background

When a tire is formed, a bonding process, a bead feeding process, an inverse wrapping process and the like are needed, a plurality of drums are matched to realize the forming of the tire, for example, when the tire is bonded with a belt ply and a tread, a bonding drum with a flat surface is needed, when the tire is subjected to inverse wrapping operation, the tire is required to be rolled by matching the drums with an inverse wrapping mechanism to realize the bonding of a tire side and a tire blank, the traditional drums are mainly divided into a bladder drum and a mechanical drum according to different bonding modes of the tire, therefore, the forming drums matched with the existing two-drum forming machine are the two-drum bladder drum and the two-drum mechanical drum, the application range of the two-drum bladder drum is wide, the belt ply can be bonded on the bladder drum, the inverse wrapping can be performed on the bladder drum, therefore, the existing forming machine mainly adopts the bladder drum to form the tire, but the service life of the bladder is poor, the bladder replacement cost is high, and the like, when other rubber materials such as a belt ply and the like are attached to the capsule drum, the flatness of the surface of the capsule is poor due to the soft capsule material, and the attachment of the rubber materials is influenced; and for two drum mechanical drums, the problem of side wall indentation exists when the turn-up operation, and receives the restriction of its self structure and material, can't realize laminating sizing material on the mechanical drum, needs the cooperation of a plurality of drums just can realize laminating and turn-up operation, and the cost is higher, and need shift the child embryo between each drum during laminating and turn-up operation, and the shaping efficiency is low, still appears shifting scheduling problem not in place easily, influences quality and output.

Disclosure of Invention

The invention mainly aims to provide a mechanical drum, which aims to solve the problems of few functions and small application range of the mechanical drum in the prior art.

In order to achieve the above object, according to one aspect of the present invention, there is provided a machine drum comprising: the main shaft assembly is rotatably arranged; the turn-up mechanism is arranged on the main shaft assembly so as to attach the sidewall of the tire to a green tire of the tire, and comprises two turn-up assemblies which are arranged at intervals along the axial direction of the main shaft assembly and are respectively sleeved on the main shaft assembly; the locking ring mechanism is arranged on the main shaft assembly between the two reverse wrapping assemblies, and comprises two locking ring assemblies which are arranged at intervals along the axial direction of the main shaft assembly and are respectively sleeved on the main shaft assembly; and the laminating cylinder assembly is sleeved on the main shaft assembly between the two locking ring assemblies so as to support the green tire of the tire.

Further, the attaching cylinder assembly includes two attaching cylinders movably disposed on the spindle assembly, respectively, to move close to or away from each other.

Further, two laminating section of thick bamboo and two lock circle subassemblies one-to-one set up and connect to remove under the drive of lock circle subassembly.

Furthermore, one of the two laminating cylinders is provided with a protruding portion, the other laminating cylinder of the two laminating cylinders is provided with a slot, and the two laminating cylinders move close to each other to enable the protruding portion to be inserted into the slot for butt joint.

Further, the anti-package subassembly includes a plurality of anti-package structures, and a plurality of anti-package structures encircle main shaft assembly's circumferential direction and set up, and wherein, the anti-package structure includes: the compression roller component is used for rolling the tire side of the tire; and the supporting component is connected with the pressing roll component and extends along the axial direction of the spindle assembly.

Further, the support member is a cover plate.

Furthermore, one side of the cover plate, which is far away from the main shaft assembly, is provided with an arc-shaped surface, and the arc-shaped surface has a radian along the circumferential direction of the main shaft assembly.

Further, the support member includes: the supporting rods are arranged at intervals along the direction perpendicular to the main shaft assembly so as to support the tire side outside the turn-up assembly.

Further, the anti-packet structure further comprises: the supporting blocks are arranged on the spindle assembly at intervals along the axial direction perpendicular to the spindle assembly, and the distance between every two adjacent supporting blocks is equal to the width of the supporting rod along the axial direction.

Furthermore, a gap is formed between every two adjacent supporting rods, and the supporting blocks and the gaps are arranged in a one-to-one correspondence mode so as to be embedded into the gaps.

Further, the distance from the outer surface of the supporting block to the central line of the spindle assembly is equal to the distance from the outer surface of the fit cylinder assembly to the central line of the spindle assembly.

The mechanical drum applying the technical scheme of the invention comprises a main shaft assembly, an anti-wrapping mechanism, a locking ring mechanism and a fitting barrel assembly, wherein the main shaft assembly is rotatably arranged; the turn-up mechanism is arranged on the main shaft assembly so as to attach the sidewall of the tire to a green tire of the tire, wherein the turn-up mechanism comprises two turn-up assemblies which are arranged at intervals along the axial direction of the main shaft assembly and are respectively sleeved on the main shaft assembly; the locking ring mechanism is arranged on the main shaft assembly between the two reverse wrapping assemblies, wherein the locking ring mechanism comprises two locking ring assemblies which are arranged at intervals along the axial direction of the main shaft assembly and are respectively sleeved on the main shaft assembly; in order to ensure that the mechanical drum can be applied to the joint of various rubber materials of a tire blank while realizing the turn-up operation, the invention arranges a joint barrel assembly on a main shaft assembly between two locking ring assemblies, wherein the joint barrel assembly forms a circular structure and is sleeved on the main shaft assembly so as to jointly support the tire blank of the tire when being jointed with a turn-up mechanism and a locking ring mechanism on the rubber material, thereby realizing the function of both the turn-up operation and the rubber material joint on one mechanical drum.

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 mechanical drum according to the invention in a fitted state of a tyre blank; and

fig. 2 shows a schematic view of an embodiment of the mechanical drum of the invention in a green tyre turn-up condition.

Wherein the figures include the following reference numerals:

10. a spindle assembly; 20. a reverse packaging component; 21. a press roll member; 22. a support member; 30. a lock ring assembly; 40. a laminating cylinder; 41. a boss portion; 42. a slot; 50. and a fitting mechanism.

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 mechanical drum, aiming at solving the problems of few functions and small application range of the mechanical drum in the prior art.

Referring to fig. 1 and 2, the mechanical drum of the present invention includes a spindle assembly 10, a turn-up mechanism, a locking ring mechanism and a fitting cylinder assembly, wherein the spindle assembly 10 is rotatably disposed; the turn-up mechanism is arranged on the main shaft assembly 10 so as to attach the sidewall of the tire to a green tire of the tire, wherein the turn-up mechanism comprises two turn-up assemblies 20, and the two turn-up assemblies 20 are arranged at intervals along the axial direction of the main shaft assembly 10 and are respectively sleeved on the main shaft assembly 10; the locking ring mechanism is arranged on the main shaft assembly 10 between the two reverse wrapping assemblies 20, wherein the locking ring mechanism comprises two locking ring assemblies 30, and the two locking ring assemblies 30 are arranged at intervals along the axial direction of the main shaft assembly 10 and are respectively sleeved on the main shaft assembly 10; in order to ensure that the mechanical drum can be applied to the joint of various sizing materials of a tire blank while realizing the turn-up operation, the invention arranges a joint barrel assembly on the main shaft assembly 10 between two locking ring assemblies 30, the joint barrel assembly forms a circular structure and is sleeved on the main shaft assembly so as to jointly support the tire blank of the tire when the joint barrel assembly is jointed with a turn-up mechanism and a locking ring mechanism, thereby realizing the function of both the turn-up operation and the gluing material joint on one mechanical drum.

The attaching cylinder assembly includes two attaching cylinders 40, and the two attaching cylinders 40 are movably provided on the spindle assembly 10, respectively, to move close to or away from each other; according to an embodiment of the movement of the attaching cylinders, the two attaching cylinders 40 are correspondingly arranged and connected with the two locking ring assemblies 30 one by one so as to move under the driving of the locking ring assemblies 30; in addition, the invention can also be provided with a driving mechanism separately to drive the two laminating cylinders to move and butt.

In order to facilitate the butt joint of the two attaching cylinders, the diameters of the two attaching cylinders are set to be different, a protruding part 41 and a slot 42 are arranged at one end, close to each other, of the two attaching cylinders, the positions of the protruding part 41 and the slot 42 are matched with each other, the protruding part 41 is arranged on one attaching cylinder 40 of the two attaching cylinders 40, the slot 42 is arranged on the other attaching cylinder 40 of the two attaching cylinders 40, and the two attaching cylinders 40 move close to each other to enable the protruding part to be sleeved into the slot for butt joint; in order to ensure the quality of butt joint, the lug boss is designed to be triangular or trapezoidal, the slot is correspondingly arranged in shape and is of an open structure, so that the lug boss can be conveniently inserted, and whether the butt joint is in place can be judged by observing the gap at the butt joint position.

The turn-up assembly 20 comprises a plurality of turn-up structures which are arranged around the circumferential direction of the spindle assembly 10, wherein each turn-up structure comprises a press roller component 21 and a support component 22, and the press roller component 21 is used for rolling the side wall of the tire; the supporting member 22 is connected to the roller member 21 and extends in the axial direction of the spindle assembly 10. The support part has two functions, namely supporting the sidewall which is laid on the outer side of the turn-up structure during turn-up operation and supporting the rubber during rubber fitting.

In order to ensure the quality of the adhesive material, the supporting part 22 is a cover plate, one side of the cover plate, which is far away from the main shaft assembly 10, is provided with an arc-shaped surface, and the arc-shaped surface has a radian along the circumferential direction of the main shaft assembly 10; the apron can adopt the flat board, can also directly adopt the arc, and each arc on a plurality of anti-structures of wrapping encircles and sets up and form a ring structure in order to support the sizing material from the interior survey of sizing material when the sizing material laminating.

When the machine drum is in turn-up operation, according to one embodiment, the support member 22 comprises a plurality of support bars arranged at intervals in a direction perpendicular to the spindle assembly 10 to support the sidewalls outside the turn-up assembly 20.

Furthermore, the requirement of gluing material fitting is met while the requirement of turn-up operation is met, the turn-up structure further comprises a plurality of supporting blocks, the supporting blocks are arranged on the main shaft assembly 10 at intervals along the axial direction perpendicular to the main shaft assembly 10, in order to meet the requirement that the gluing material wound on the outer side of the supporting part cannot sink into a gap between adjacent supporting rods during fitting in the gluing material fitting process, the number and the size of the supporting blocks are limited, and particularly, the distance between two adjacent supporting blocks is equal to the width of the supporting rods along the axial direction; a gap is formed between every two adjacent supporting rods, and the supporting blocks and the gaps are arranged in a one-to-one correspondence mode to be embedded into the gap.

In order to meet the requirement of gluing after the supporting block is embedded into the gap, when the supporting block is arranged, the distance from the outer surface of the supporting block to the central line of the main shaft assembly 10 is equal to the distance from the outer surface of the gluing barrel assembly to the central line of the main shaft assembly 10, the section of the supporting rod is rectangular, and the outer surface of the whole turn-up structure formed after the supporting rod is matched with the supporting block is in a smooth state and cannot be uneven.

In addition, the mechanical drum of the present invention further comprises a bonding mechanism 50, wherein the bonding mechanism 50 is used for bonding various rubber compounds used in tire building, such as apex, belt layer bonding and the like.

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 application 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 application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; 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 … … surface," "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 protection of the present application is not to 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 machine drum, comprising:

a spindle assembly (10), the spindle assembly (10) being rotatably disposed;

the anti-package mechanism is arranged on the main shaft assembly (10) so as to attach the side wall of the tire to a green tire of the tire, the anti-package mechanism comprises two anti-package assemblies (20), and the two anti-package assemblies (20) are arranged at intervals along the axial direction of the main shaft assembly (10) and are respectively sleeved on the main shaft assembly (10);

the locking ring mechanism is arranged on the main shaft assembly (10) between the two reverse packing assemblies (20), the locking ring mechanism comprises two locking ring assemblies (30), and the two locking ring assemblies (30) are arranged at intervals along the axial direction of the main shaft assembly (10) and are respectively sleeved on the main shaft assembly (10);

the laminating barrel assembly is sleeved on the main shaft assembly (10) between the two locking ring assemblies (30) to support a tire blank of a tire.

2. The robotic drum as claimed in claim 1, wherein said abutment cylinder assembly comprises two abutment cylinders (40), the two abutment cylinders (40) being movably disposed on said spindle assembly (10) respectively to move toward or away from each other.

3. The mechanical drum according to claim 2, wherein two of said fitting cylinders (40) are disposed and connected in one-to-one correspondence with two of said lock ring assemblies (30) so as to move under the driving of said lock ring assemblies (30).

4. Machine drum according to claim 1, wherein the turn-up assembly (20) comprises a plurality of turn-up structures arranged around the circumferential direction of the spindle assembly (10), wherein the turn-up structures comprise:

a roller member (21), the roller member (21) being used for rolling the sidewall of the tire;

and the supporting part (22) is connected with the pressing roller part (21) and extends along the axial direction of the spindle assembly (10).

5. Mechanical drum according to claim 4, wherein the support member (22) is a cover plate.

6. Machinery drum according to claim 5, characterised in that the side of the cover plate facing away from the spindle assembly (10) has an arc-shaped surface with a curvature in the circumferential direction of the spindle assembly (10).

7. Mechanical drum, according to claim 4, characterized in that said support member (22) comprises:

the supporting rods are arranged at intervals along the direction perpendicular to the main shaft assembly (10) to support the side wall outside the turn-up assembly (20).

8. The machine drum of claim 7, wherein the turnup structure further comprises:

a plurality of support blocks provided on the spindle assembly (10) at intervals in an axial direction of the spindle assembly (10).

9. The machine drum as claimed in claim 8, wherein a gap is provided between adjacent two of the support bars, and a plurality of the support blocks are provided in one-to-one correspondence with the plurality of gaps so as to be able to be embedded in the gaps.

10. Machine drum according to claim 8, characterised in that the distance of the outer surface of the support block to the centre line of the spindle assembly (10) is equal to the distance of the outer surface of the adapter drum assembly to the centre line of the spindle assembly (10).