WO2015101200A1

WO2015101200A1 - Flat drum bonding device

Info

Publication number: WO2015101200A1
Application number: PCT/CN2014/094792
Authority: WO
Inventors: 王延书; 齐思晨; 闻德生; 刘明; 胡勐; 李彦海; 谭丽丽; 王祥竹
Original assignee: 软控股份有限公司
Priority date: 2013-12-30
Filing date: 2014-12-24
Publication date: 2015-07-09
Also published as: CN104742394A

Abstract

Provided is a flat drum bonding device, comprising a slide sleeve sleeved on a main shaft, several support tiles located around the slide sleeve, each support tile being respectively connected on the slide sleeve via a pivot mechanism, and a drive mechanism used to drive the pivot mechanism to drive the support tiles to pivot between two positions parallel to the axial direction. The present flat drum bonding device achieves automatic fitting of various components, thereby reducing manual operations and lowering production costs. In addition, since a mechanical structure is used, the various components are not easily damaged, and disturbance caused by periodic replacement is thus eliminated. The mechanical structure ensures bonding quality, thereby improving tyre quality.

Description

Flat drum fitting device

Technical field

The present invention relates to a flat drum fit in a tire building process.

Background technique

The radial tire two-step forming machine comprises a section forming machine and a two-stage forming machine. One section of the forming machine places the inner liner layer, the carcass cord, the reinforcing layer, the bead, the sidewall and the like in a certain order in a forming drum. In the above, the mechanical device for forming the carcass cylinder is formed by the operation of the positive bag, the buckled bead, the reverse bag, and the rolling. The carcass cylinder will then enter the two-stage forming machine through manual or mechanical means to form the embryo.

Figure 1 shows a typical structural layout of a molding machine in the prior art, which mainly comprises a chassis 2, a drum 1, a left and right front and back package device (31, 32), and a feeding device 4. The main process diagrams are as follows:

Step 1. Upper bead: Place the left and right bead on the left and right front and back packs respectively;

Step 2: The capsule is extended: the left and right positive and negative packaging devices respectively move toward the drum, and the capsules respectively protrude to a position in contact with the left and right ends of the drum;

Step 3: bonding the carcass assembly: the feeding device behind the drum conveys the inner liner layer, the carcass cord and the like to the drum, and sequentially fits on the forming drum to form a cylindrical carcass assembly;

Step 4: the finger piece protrudes: the finger piece of the left and right front and back package device protrudes, and the portion of the carcass assembly hanging from the edge of the drum is reduced in diameter;

Step 5: Buckle: The left and right front and back packs place the left and right beads on the carcass assembly, ie buckle Circle process

Step 6. Anti-package boosting: the capsules of the left and right positive and negative wrapping devices are inflated, so that the parts of the carcass assembly located on both sides of the left and right bead are wrapped up by the boosting device to wrap the left and right tires. ring;

Step 7. Bonding the sidewall: the feeding device transports the sidewall to the drum and forms a carcass cylinder, and rolls it by a rolling device to make the materials of the layers closely adhere to each other to remove air bubbles;

Step 8. The drum is unloaded from the cylinder: the diameter of the drum is reduced, so that the carcass cylinder is easily taken off the drum.

The above structure and process have the following problems: since the carcass assembly needs to be reverse-wrapped, this results in the width of the carcass ply and the inner liner when the inner liner layer, the carcass ply, and the reinforcing layer are bonded in the above step 3). It is much larger than the width of the drum, which makes it difficult to use the existing pressure and device for pressing due to the lack of effective support. It can only be manually pressed by manual means. Due to the addition of manual operation, on the one hand, the efficiency of the tire is affected, and on the other hand, the stability of the tire quality is lowered.

The invention patent of the application No. 200580022741.9 discloses a method and a device for assembling a radial tire, wherein in order to solve the problem that the quality of the suspended portion of the material is not high, the outer surface of the capsule is expanded to be flush with the outer surface of the drum, When the inner lining layer and the carcass ply are laminated, the materials are all located on the same outer surface, and no hanging portion is realized, so that the flat drum fit is achieved.

The flat drum fitting method is applicable to the capsule drum. Since the reverse capsule is a vulnerable part, it needs to be replaced periodically, resulting in high comprehensive use cost, and replacement of repair time, which also takes up normal production time and affects the final production of the tire.

Summary of the invention

In order to solve the existing one-stage bonding process of the radial tire, the flat drum fitting method is only applicable to the glue. The capsule is a vulnerable part, and the capsule needs to be replaced periodically, and the use cost is high. The present invention provides a flat drum fitting device of a mechanical structure, which is implemented by the following technical solutions:

A flat drum fitting device comprises a sliding sleeve disposed on the main shaft; a plurality of supporting tiles are arranged around the sliding sleeve, and each supporting tile is respectively connected to the sliding sleeve by a swinging mechanism; the driving mechanism drives the swinging mechanism to drive The support tile is swung between two positions parallel to the axial direction.

Further, there are a plurality of drive mechanisms.

Further, the driving mechanism is a cylinder mounted on the sliding sleeve, and a piston rod in the cylinder body is connected to the swinging mechanism.

Optionally, the driving mechanism is a lead screw driven by a motor, and an output end of the lead screw is connected to the swinging mechanism. The driving mechanism is not limited to the motor drive, but may also be a conventional output linear power source such as a cylinder, an electric cylinder, or an oil cylinder.

Further, the swinging mechanism comprises four connecting rods, and the sliding sleeve is provided with a fixing seat, and one end of each connecting rod is hinged on the supporting tile, and the other end is hinged on the fixing seat.

Optionally, the swing mechanism is a cam mechanism.

Compared with the prior art, the advantages and positive effects of the present invention are as follows:

The flat drum laminating device of the invention can realize the automatic joint of each component, improve the production efficiency, reduce the operation amount of the personnel, can realize the unmanned operation of the station with the molding machine, reduce the production cost, and realize the mechanical structure. The parts are not easily damaged, thus eliminating the trouble of regular replacement, and the mechanical structure ensures the quality of the fit, thereby improving the quality of the tire.

Other features and advantages of the present invention will become apparent from the Detailed Description of the Drawings. more clearly.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description of the drawings used in the embodiments or the prior art description will be briefly described below. Obviously, the drawings in the following description It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any inventive labor.

Figure 1 is a structural layout view of a prior art molding machine;

In Figure 1: 1, drum; 2, chassis; 31, left forward and reverse package device; 32, right forward and reverse package device; 4, feeding device.

Figure 2 is a side view of a flat drum laminating device according to an embodiment of the present invention;

Figure 3 is a view taken along line A_A of Figure 2;

4 is a schematic view showing a state in which a flat drum bonding device is in a contracted state according to an embodiment of the present invention;

Figure 2 - Figure 4: 1, spindle; 2, sliding sleeve; 2-1, connecting rod fixed seat; 3, cylinder; 3-1, piston rod; 4, supporting tiles; 5, swinging mechanism; 1, swing link; 5-2, driven link; 6, push rod; 7, Y-type post; 8, carcass drum.

detailed description

2, FIG. 2 is a side view of the flat drum bonding device, FIG. 3 is a schematic view showing the working state of the flat drum bonding device, and FIG. 4 is a schematic view showing the contracted state of the flat drum bonding device.

As shown in the above figures, the flat drum laminating device of the present embodiment includes a sliding sleeve 2, a plurality of supporting tiles 4, a swinging mechanism 5 and a driving mechanism which are fitted on the main shaft 1.

The number of supporting tiles 4 may be determined according to the specifications of the tire. In this embodiment, the number of supporting tiles is 12, and each supporting tile 4 is curved. During the working process, each supporting tile is surrounded by a circle. The diameter of the circumference is comparable to the diameter of the forming drum. The action of each supporting tile 4 is realized by the swinging mechanism 5 and the driving mechanism. Specifically, the driving mechanism drives the swinging mechanism to drive the supporting tile to swing between two positions parallel to the axial direction. From the perspective of Figure 3, the supporting tiles are oscillated in the upper and lower horizontal positions.

The swinging mechanism 5 of the present embodiment includes four connecting rods: two swinging connecting rods 5-1 and two driven connecting rods 5-2, which are respectively disposed on both sides of the supporting tile 4, and with the supporting tiles The sheets 4 are hinged, and the other end of each link is hinged on the connecting rod fixing seat 2-1, wherein the two swinging connecting rods 5-1 are hinged to the connecting rod fixing seat 2-1 through the same hinge shaft Upper, the link fixing seat 2-1 is fixed to the sliding sleeve 2. The swing mechanism 5 of the present embodiment has four links, has a simple structure, is easy to implement, and has a low failure rate.

The driving mechanism of this embodiment is a cylinder 3 mounted on the sliding sleeve, and the piston rod 3-1 in the cylinder body is connected to the hinge shaft through a Y-shaped connecting rod 7.

The flat drum fitting process is as follows:

The axial power mechanism on the molding apparatus moves the entire set to a predetermined position by the push rod 6, and the piston rod 3-1 is pushed by the working medium in the cylinder 3 to generate axial movement. The swing link 5-1 is driven by the Y-shaped post 7 to generate motion, and the driven link 5-2 and the support tile 4 are simultaneously moved until the support tile 4 reaches the bonding position. Under the driving of the main shaft 1, the mechanism rotates together with the carcass drum 8, and the fitting of the tire components such as the inner liner and the carcass ply and the joint rolling action are completed. Then, the piston rod 3-1 moves in the opposite direction under the reaction of the working medium, and drives the swing link 5-1, the driven link 5-2, and the supporting tile 4 to move in opposite directions until the component returns to the initial state. State, tire production enters the next process.

It should be noted that the swinging mechanism and the driving mechanism of the present invention are not limited to the above examples, wherein the swinging mechanism may also be a cam mechanism, and the driving mechanism may also be a screw driven by a motor, and the output end of the lead screw is connected to the pendulum. Transfer agency. Of course, the combination of the swinging mechanism and the driving mechanism is not limited to the above examples, and the two can be combined in any combination. For example, the driving mechanism is a screw and the swinging mechanism is a four-bar linkage.

In addition, in this embodiment, a plurality of sets of driving mechanisms respectively drive the corresponding supporting tiles through the swinging mechanism, and of course, a driving mechanism can be used to drive the respective swinging mechanisms through a transmission ring, thereby realizing the supporting tiles. Swing.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Any one skilled in the art may use the above-disclosed technical content to change or modify the equivalent embodiment. However, any simple modifications, equivalent changes and modifications made to the above embodiments in accordance with the technical spirit of the present invention are still within the scope of protection of the technical solutions of the present invention.

Claims

A flat drum fitting device, comprising:

Sliding sleeve, set on the spindle;

a plurality of supporting tiles are arranged around the sliding sleeve, and each supporting tile is respectively connected to the sliding sleeve by a swinging mechanism;

The driving mechanism drives the swinging mechanism to drive the supporting tile to swing between two positions parallel to the axial direction.
A flat drum laminating apparatus according to claim 1, comprising a plurality of driving mechanisms.
The flat drum laminating apparatus according to claim 2, wherein said driving mechanism is a cylinder mounted on said sliding sleeve, and a piston rod in said cylinder body is coupled to said swinging mechanism.
The flat drum laminating apparatus according to claim 2, wherein the drive mechanism is a lead screw driven by a motor, and an output end of the lead screw is coupled to the swing mechanism.
The flat drum fitting device according to claim 3, wherein the swinging mechanism comprises four links, the sliding sleeve is provided with a fixing seat, and one end of each connecting rod is hinged on the supporting tile The other end is hinged to the fixing base.
The flat drum fitting device according to claim 4, wherein the swinging mechanism comprises four links, and the sliding sleeve is provided with a fixing seat, and one end of each connecting rod is hinged on the supporting tile. The other end is hinged to the fixing base.
A flat drum laminating apparatus according to claim 3, wherein said swing mechanism is a cam mechanism.
A flat drum laminating apparatus according to claim 4, wherein said swing mechanism is a cam mechanism.