CN217993593U

CN217993593U - Seamless belted joint drum mechanism and tire forming device

Info

Publication number: CN217993593U
Application number: CN202221687738.6U
Authority: CN
Inventors: 谢凡; 蚁晓昕
Original assignee: Guangdong Sunstar Machinery Science & Technology Co ltd
Current assignee: Guangdong Sunstar Machinery Science & Technology Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-12-09
Anticipated expiration: 2032-07-01

Abstract

The utility model discloses a seamless belted joint drum mechanism and a tire forming device, wherein the seamless belted joint drum mechanism comprises a main shaft, two guide discs, a slide block, two drum blocks and a driving assembly, wherein the two guide discs are sleeved on the main shaft in a relative manner; the sliding blocks are uniformly arranged between the two guide discs at intervals in the circumferential direction and can slide outwards or contract inwards along the radial direction of the main shaft; a drum block is arranged on the outer edge of each sliding block, a cover plate is arranged on the outer end face of each drum block, extends to the outer end face of the adjacent drum block and can be in sliding lap joint with the outer end face of the adjacent drum block all the time; the driving assembly is sleeved on the main shaft and connected with the sliding blocks, and can drive all the sliding blocks to slide outwards or contract inwards along the radial direction of the main shaft at the same time. The tire forming device further comprises a diameter adjusting device, and the seamless belt bonding drum mechanism and the tire forming device are adopted, so that the quality and the shape precision of the tire tread rubber composite piece are extremely improved.

Description

Seamless belted joint drum mechanism and tire forming device

Technical Field

The utility model relates to a rubber tire building machine specifically is a seamless belted layer laminating drum and tire forming device.

Background

With the increasing of the domestic automobile sales, the tire manufacturing industry is also in increasing speed development, and the tire belt layer drum is used as a standard matching device for tire manufacturing and plays an important role in the tire molding. In the use of tire belt ply drum as the laminating of tire rubber layer, mode in the past all adopts the belted layer laminating drum that has the seam to laminate, and this kind of laminating drum opens the drum stroke in the use big more, and the gap between the drum piece is also along with increaseing, can produce the error of girth when carrying out belted layer winding to lead to can lead to the sizing material laminating compactness after the laminating inhomogeneous when the laminating, influenced the quality and the shape of product.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a seamless belted layer laminating drum and tire forming device, make the belted layer laminating drum be seamless state when opening to reduce the circumference error of tire tread and belted layer and the problem of the closely knit degree's of sizing material laminating inhomogeneity after the roll extrusion, highly promoted the quality and the shape precision of tire tread compound spare.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a seamless belt building drum mechanism comprising:

a main shaft is arranged on the main shaft,

the two guide discs are sleeved on the main shaft oppositely;

a plurality of sliding blocks are arranged between the two guide discs at even intervals in the circumferential direction, and the sliding blocks can slide outwards or contract inwards along the radial direction of the main shaft;

the outer edge of each sliding block is provided with one drum block, the outer end face of each drum block is provided with a cover plate, and the cover plate extends to the outer end face of the adjacent drum block and can be in sliding lap joint with the outer end face of the adjacent drum block all the time; and

the driving assembly is sleeved on the main shaft and connected with the sliding blocks, and can drive all the sliding blocks to slide outwards or contract inwards along the radial direction of the main shaft.

Further, the outer surface of the drum block is provided with a magnet.

Further, drive assembly includes installation cover, piston, cylinder and slide, the installation ways is established on the main shaft, the cylinder cover is established the installation is sheathe in, the piston is equipped with in the cylinder, the piston will left air chamber and the right air chamber that do not communicate each other are cut apart to the inner chamber of cylinder, just the piston can be along the installation cover horizontal slip, the installation cover is provided with the two way gas circuits with external aerating device intercommunication, and two the way the gas circuit respectively with left air chamber with right air chamber intercommunication, the slide is connected the top of piston, the top surface of slide is provided with first inclined plane, be provided with on the slider with the second inclined plane that first inclined plane corresponds, just first inclined plane with second inclined plane sliding connection.

Further, the cylinder includes left cylinder cap and right cylinder cap, left cylinder cap with right cylinder cap looks knot connects into the cylinder.

Further, the outer surface of the sliding seat is provided with buffering nylon.

Further, the first inclined surface and the second inclined surface are connected in a sliding mode through a first linear bearing pair.

Furthermore, both sides of the sliding block are connected with the guide disc in a sliding mode through second linear bearing pairs.

A tire building device, includes the above-mentioned one seamless belted laminating drum mechanism, still includes the device of transferring footpath, transfer footpath device with drive assembly connects, can drive assembly along the main shaft slides.

Further, the diameter adjusting device comprises a rotary power source, an adjusting screw rod, a pull rod and a linkage pin, the main shaft is a hollow shaft, a sliding groove is formed in the main shaft, the rotary power source is arranged on the end face of the main shaft, the adjusting screw rod is arranged on a power output shaft of the rotary power source and can be rotatably inserted into an inner cavity of the main shaft, the pull rod is arranged in the main shaft, one end of the pull rod is connected with the adjusting screw rod in a threaded mode, the linkage pin is arranged at the other end of the pull rod and is connected with the other end of the pull rod, and the linkage pin can slidably penetrate through the sliding groove and is connected with the driving assembly.

Furthermore, the adjusting screw is rotatably connected with the main shaft through a bearing

The utility model has the advantages that:

according to the seamless belted layer joint drum mechanism and the tire forming device, when the tire rubber layer is jointed, the driving assembly drives the sliding block to outwards slide or inwards shrink along the radial direction of the main shaft, so that the sliding block is lifted, and the opening and shrinking motions of the seamless belted layer joint drum are met.

The seamless belt drum laminating mechanism and the tire forming device improve the seamed drum surface structure in the prior art, and enable the belt layer laminating drum to be in a seamless state when being opened, thereby reducing the perimeter error and the non-uniformity of compactness of the tire tread and the belt layer after rolling, greatly improving the quality and the shape precision of the tire tread rubber composite piece, enabling the tire tread rubber composite piece to be more uniform and round, and further improving the qualification rate of the tire; meanwhile, the belt ply and tread compound pieces such as the tread are not uniformly attached due to the fact that gaps between the drum blocks 4 and the drum blocks 4 are not supported in the process of attaching the belt ply and the tread 4, the tire with higher performance can be manufactured, and the application range is enlarged.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. The elements or parts are not necessarily drawn to scale in all figures.

Fig. 1 is a schematic view of a seamless belt laminating drum and a tire building apparatus according to an embodiment of the present invention;

FIG. 2 is an axial schematic view of a seamless belt building drum and tire building apparatus as shown in FIG. 1;

reference numerals are as follows:

1. a main shaft; 2. a guide plate; 3. a slider; 31. a second inclined surface; 4. a drum block; 41. a cover plate; 5. A drive assembly; 51. installing a sleeve; 511. a gas circuit; 52. a piston; 53. a cylinder; 531. a left air chamber; 532. A right air chamber; 54. a slide base; 6. a diameter adjusting device; 61. a source of rotational power; 62. adjusting the screw rod; 63. a pull rod; 64. a linkage pin; 65. a bearing; 7. a first linear bearing pair; 8. and the second linear bearing pair.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1 to 2, the present invention provides a seamless belt bonding drum mechanism, which includes a main shaft 1, a guide disc 2, a slider 3, a drum block 4 and a driving assembly 5.

Specifically, the number of the guide discs 2 is two, and the two guide discs 2 are oppositely arranged and sleeved on the main shaft 1. The slide block 3 is provided with a plurality of slide blocks 3, the plurality of slide blocks 3 are uniformly arranged between the two guide discs 2 at intervals in the circumferential direction, and the slide blocks 3 can slide outwards or contract inwards along the radial direction of the main shaft 1.

A drum block 4 is arranged on the outer edge of each sliding block 3, a cover plate 41 is arranged on the outer end face of each drum block 4, the cover plate 41 extends to the outer end face of the adjacent drum block 4, and the cover plate and the outer end face of the adjacent drum block 4 can be in sliding lap joint all the time. The driving assembly 5 is sleeved on the main shaft 1 and connected with the sliding blocks 3, and can drive all the sliding blocks 3 to slide outwards or contract inwards along the radial direction of the main shaft 1.

When the tire rubber layer is attached, the driving assembly 5 drives the sliding block 3 to slide outwards or contract inwards along the radial direction of the main shaft 1, so that the sliding block 3 is lifted, and the opening and contraction movement of the seamless belt ply attaching drum is met.

The seamless belt drum attaching mechanism improves a seamed drum surface structure in the prior art, so that the belt layer attaching drum is in a seamless state when being opened, thereby reducing the perimeter error and the nonuniformity of compactness of the tire tread and the belt layer after rolling, extremely improving the quality and the shape precision of a tire tread rubber composite piece, enabling the tire tread rubber composite piece to be more uniform and round, and further improving the qualified rate of tires; meanwhile, the belt ply and tread compound pieces are not uniformly attached due to the fact that gaps between the drum blocks 4 and 4 do not exist in the process of attaching the drum blocks 4, the belt ply and tread compound pieces are not uniformly attached, tire production with higher performance can be achieved, and the application range is expanded.

In practice, magnets may be provided on the outer surface of the drum block 4. The magnet is used for adsorbing the tread rubber material.

In this embodiment, the driving assembly 5 includes an installation sleeve 51, a piston 52, a cylinder 53 and a sliding seat 54, the installation sleeve 51 is sleeved on the spindle 1, the cylinder 53 is sleeved on the installation sleeve 51, the piston 52 is inserted in the cylinder 53, the piston 52 divides the inner cavity of the cylinder 53 into a left air chamber and a right air chamber which are not communicated with each other, and the piston 52 can slide left and right along the installation sleeve 51, the installation sleeve 51 is provided with two air paths 511 communicated with an external inflation device, the two air paths 511 are respectively communicated with the left air chamber and the right air chamber, the sliding seat 54 is connected to the top end of the piston 52, the top surface of the sliding seat 54 is provided with a first inclined surface, the sliding block 3 is provided with a second inclined surface 31 corresponding to the first inclined surface, and the first inclined surface is slidably connected with the second inclined surface 31.

During the use, be connected gas circuit 511 on the installation cover 51 with external aerating device, when gas got into in the right air chamber, then can promote piston 52 and remove left to the drive moves left according to slide 54, then when first inclined plane moves left, slides along second inclined plane 31, and promote slider 3 and outwards slide, and then promote drum 4 and apron 41 and outwards move, because apron 41 extends to on the outer terminal surface of adjacent drum 4, and can slide the overlap joint with the outer terminal surface of adjacent drum 4 all the time. The movement of the drum block 4 is not hindered, the opening and contraction movement of the seamless belt ply attaching drum is met, meanwhile, the seamless state of the attaching drum during opening can be realized, and the seamless attaching of the rubber layer of the tire is realized.

In this embodiment, the cylinder 53 includes a left cylinder cover 531 and a right cylinder cover 532, and the left cylinder cover 531 and the right cylinder cover 532 are connected in a buckled manner to form the cylinder 53. The outer surface of the slide 54 is provided with a buffer nylon. The buffering nylon can play a role in buffering. It should be noted that the slide 54 and the bottom of the cylinder 53 can be connected by a shrink sleeve, and the slide 54 can slide left and right when the volumes of the left and right air chambers change.

In a preferred embodiment, the first inclined surface and the second inclined surface 31 are slidably connected by the first linear bearing pair 7, so that the friction between the slider 3 and the slider 54 can be reduced. Both sides of the sliding block 3 are connected with the guide disc 2 in a sliding way through the second linear bearing pair 8, and in the same way, the friction force between the sliding block 3 and the guide disc 2 can be reduced.

The utility model discloses still improve a tire forming device, this tire forming device include above-mentioned seamless belted joint drum mechanism, and in addition, this tire forming device still includes transfers footpath device 6, transfers footpath device 6 to be connected with drive assembly 5, can drive assembly 5 and slide along main shaft 1.

Specifically, the diameter adjusting device 6 comprises a rotary power source 61, an adjusting screw 62, a pull rod 63 and a linkage pin 64, the main shaft 1 is a hollow shaft, a sliding groove is formed in the main shaft 1, the rotary power source 61 is arranged on the end face of the main shaft 1, the adjusting screw 62 is arranged on a power output shaft of the rotary power source 61 and can be rotatably inserted into an inner cavity of the main shaft 1, the pull rod 63 is arranged in the main shaft 1, one end of the pull rod 63 is in threaded connection with the adjusting screw 62, the linkage pin 64 is arranged at the other end of the pull rod 63 and connected with the driving assembly 5, and the linkage pin 64 can slidably penetrate through the sliding groove to be connected with the driving assembly 5. In a specific implementation, the adjusting screw 62 is rotatably connected to the main shaft 1 through a bearing 65.

When the sliding block is used, the rotating power source 61 is started, the active adjusting screw 62 rotates clockwise, under the action of the threads, the pull rod 63 can be driven to move towards the direction away from the rotating power source 61, and the mounting sleeve 51 can be driven to move towards the direction away from the rotating power source 61 through the linkage pin 64, so that the sliding block 3 is pushed to move outwards; on the contrary, the active adjusting screw 62 rotates counterclockwise, and then can drive the pull rod 63 to move toward the direction of the abutting rotary power source 61, and through the linkage pin 64, the installation sleeve 51 can be driven to move toward the direction of the abutting rotary power source 61, and the slide block 3 contracts inward, so that the purpose of adjusting the diameter of the whole laminating drum can be realized, and meanwhile, the initial position of the sliding seat 54 can be adjusted, and further the application range of the maximum laminating drum can be realized.

It should be noted that, in the implementation, the rotating power source 61 may be a rotating motor commonly used in the prior art.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A seamless belt building drum mechanism comprising:

a main shaft is arranged on the main shaft,

the two guide discs are sleeved on the main shaft oppositely;

2. The seamless belt building drum mechanism of claim 1, wherein the outer surface of the drum blocks are provided with magnets.

3. The seamless belt laminating drum mechanism according to claim 1, wherein the driving assembly comprises an installation sleeve, a piston, a cylinder and a sliding seat, the installation sleeve is arranged on the main shaft, the cylinder sleeve is arranged on the installation sleeve, the piston is inserted in the cylinder, the piston divides the inner cavity of the cylinder into a left air chamber and a right air chamber which are not communicated with each other, the piston can slide left and right along the installation sleeve, the installation sleeve is provided with two gas paths communicated with an external inflation device, the gas paths are respectively communicated with the left air chamber and the right air chamber, the sliding seat is connected to the top end of the piston, the top surface of the sliding seat is provided with a first inclined surface, a second inclined surface corresponding to the first inclined surface is arranged on the sliding block, and the first inclined surface is connected with the second inclined surface in a sliding manner.

4. The seamless belt drum mechanism of claim 3, wherein the cylinder comprises a left cylinder cover and a right cylinder cover, and the left cylinder cover and the right cylinder cover are connected in a buckled manner to form the cylinder.

5. The seamless belt building drum mechanism of claim 3, wherein the outer surface of the slide is provided with a cushioned nylon.

6. The seamless belt building drum mechanism of claim 3, wherein the first inclined surface and the second inclined surface are slidably connected by a first linear bearing pair.

7. The seamless belt building drum mechanism of claim 1, wherein both sides of the slider are slidably connected to the guide plate via a second linear bearing pair.

8. Tire building apparatus comprising a seamless belt building drum arrangement according to any one of claims 1-7, further comprising a diameter adjustment device connected to the drive assembly and capable of driving the drive assembly to slide along the spindle.

9. The tire forming device according to claim 8, wherein the diameter adjusting device includes a rotary power source, an adjusting screw, a pull rod and a linkage pin, the main shaft is a hollow shaft, a sliding groove is formed in the main shaft, the rotary power source is arranged on an end surface of the main shaft, the adjusting screw is arranged on a power output shaft of the rotary power source and can be rotatably inserted into an inner cavity of the main shaft, the pull rod is arranged in the main shaft, one end of the pull rod is in threaded connection with the adjusting screw, the linkage pin is arranged at the other end of the pull rod and is connected with the driving assembly, and the linkage pin can slidably penetrate through the sliding groove to be connected with the driving assembly.

10. The tire building apparatus of claim 9 wherein the adjustment screw is rotatably connected to the spindle by a bearing.