CN102862303A - Transmission ring with rolling function - Google Patents

Abstract

The invention discloses a transfer ring with a rolling function, which includes a ring body that can be driven to move along a track, a clamping block arranged on the inner circumference of the ring body, and a clamping block that is fixedly arranged on the ring body and can align the tire The sidewall rolling device that rolls on the side, the shoulder rolling device that is fixed on the ring body and can roll the tire shoulder, and the tire that is fixed on the ring body and can roll the tread Surface rolling device. The invention combines the transfer ring of the tire building machine and the rolling device into a transfer ring, and the clamping block of the transfer ring clamps and transfers the belt layer wrapped on the belt drum and the composite parts bonded by the tread to the forming machine. Station, the transfer ring does not move after the transfer. After the embryo is formed, the four sets of rolling devices in the transfer ring roll each part of the embryo respectively. One movement can complete all the work of transfer and forming rolling, shortening the Reduce mobile time and improve work efficiency.

Description

Transfer ring with rolling function

technical field

The invention relates to the technical field of tire preparation, in particular to a transfer ring with rolling function.

Background technique

In tire production, improving production efficiency is a very important task. In the molding process of the green tire, it is generally necessary to use the carcass clamping ring to transfer the carcass cylinder to the forming station, and the belt transfer ring to transfer the composite parts of the belt layer and the tread to the forming station. The carcass tube is inflated and bonded to the belt tread compound, and then rolled by the rear pressure roller after bonding.

Belt transfer and rolling after tire building is an important link in the tire building process. However, in the existing forming machine, the transfer ring and the rolling device are separated. When the transfer ring is working, the rolling device must give way to space; The repeated movement of the above-mentioned two sets of covers takes a certain amount of time, which affects work efficiency.

Contents of the invention

The purpose of the present invention is to provide a transfer ring device that can effectively improve the forming movement and pressing in order to solve the technical defects in the prior art.

The technical scheme adopted for realizing the purpose of the present invention is:

A transfer ring with a rolling function, comprising a ring body that can be driven to move along a track, a clamping block arranged on the inner circumference of the ring, and also includes a ring body that is fixedly arranged on the ring body and can roll the sidewall The sidewall rolling device, the shoulder rolling device fixed on the ring body and capable of rolling the shoulder, and the tread rolling device fixed on the ring body and capable of rolling the tread .

The sidewall rolling device includes a shaft frame and a sidewall rolling mechanism arranged on the shaft frame. The shaft frame includes a rotating shaft arranged parallel to the axial direction of the ring body and arranged at both ends of the rotating shaft and downwards. Extended support arm, a cylinder that can drive the axle frame to swing is provided between the support arm and the ring body, and the sidewall rolling mechanism includes a support platform that can be driven to move along the support arm, and is set on The sidewall rolling wheel supporting plate on the support platform and can be driven to compress or be away from the sidewall, and the sidewall rolling wheel arranged on the rolling wheel supporting plate.

The sidewall rolling wheel is fixedly connected to the sidewall rolling wheel bearing plate through a connecting plate, and the connecting plate or the sidewall rolling wheel bearing plate are correspondingly provided with a plurality of sets of fixing holes.

The tread rolling device includes a support platform fixedly connected to the ring body, two blocks that are arranged on the support platform and can be driven to move forward and reverse synchronously in the axial direction of the ring body relative to the support platform. The mobile platform is arranged on the mobile platform and can be driven to compact or move away from the tread rolling wheel carrier plate of the tread, and the tread rolling wheel carrier plate arranged at the front end of the tread rolling wheel carrier plate wheel.

A rotating arm is rotatably arranged on the supporting plate of the tread rolling wheel, and the described tread rolling wheel is fixed on the upper part of the rotating arm. The cylinder that drives the rotating arm.

The shoulder rolling device includes a support platform fixedly connected to the ring body, two moving platforms that are arranged on the support platform and can be driven to move forward and reverse synchronously in the axial direction of the ring body relative to the support platform, The tire shoulder rolling wheel carrier plate arranged on the mobile platform and driven to compress or keep away from the tire shoulder, and the shoulder rolling wheel arranged at the front end of the shoulder roller carrier plate.

The outer circle of the tire shoulder rolling wheel is formed with two slopes at two different angles to the axis of the shoulder rolling wheel, and the outer slopes are in contact with the outer circle of the shoulder with a predetermined pressure and pressed tightly. The inner slope surface of the wheel body is in contact with the outer surface of the tire shoulder with a predetermined pressure and pressed against it, and a plurality of grooves are arranged at intervals on the outer slope surface.

The ring body is divided into upper and lower ring body structures fixedly connected, and the tread rolling device and shoulder rolling device are fixedly arranged at both ends of the lower half ring body.

A pre-compression device is also provided at the center of the ring body, which includes a guide shaft fixedly connected with the ring body and arranged radially, a pre-compression rolling wheel bearing plate that is matched and sleeved on the guide shaft, and Set the pre-compression rolling wheel at its lower part.

A central marking device is also provided at the center of the ring body, which includes a guide rail fixedly connected with the ring body and arranged radially, a matching central marking wheel bearing plate set on the guide rail, and a lower part of the marking wheel. Center dash wheel.

Compared with prior art, the beneficial effect of the present invention is:

The invention combines the transfer ring of the tire building machine and the rolling device into a transfer ring, and the clamping block of the transfer ring clamps and transfers the wrapped belt layer on the belt drum and the composite parts bonded by the tread to the forming machine. Station, the transfer ring does not move after the transfer. After the embryo is formed, the four sets of rolling devices in the transfer ring roll each part of the embryo respectively, and all the work of transfer and forming rolling can be completed by one movement, shortening the Reduce mobile time and improve work efficiency. Moreover, the transfer ring of the present invention changes the complex structure of the front and rear pressure rollers, because multiple sets of pressure rollers are used for rolling work, and the working parts of each set of pressure rollers are different during rolling without interfering with each other, and each part can be completed at the same time The rolling is improved, and the new structure makes the work of each set of rollers easier, and the quality of rolling is also improved. In addition, because multiple sets of rollers are combined to roll different parts of the embryo, the The overall quality of green tire building rolling has been improved.

Description of drawings

Fig. 1 shows the schematic diagram of the assembly structure of the present invention;

Fig. 2 shows the structural representation of the sidewall rolling device of the present invention;

Fig. 3 shows the structural representation of the tread rolling device of the present invention;

Figure 4 is a top view of the structure shown in Figure 3;

Fig. 5 is a structural schematic diagram of the tire shoulder rolling device of the present invention;

FIG. 6 is a top view of the structure shown in FIG. 5 .

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

As shown in Figure 1, the transfer ring with rolling function of the present invention includes a ring body 1 that can be driven to move along the track, a clamping block 11 arranged on the inner circumference of the ring body 1, and a sidewall rolling device 2. The shoulder rolling device 3 and the tread rolling device 4. Wherein, the structure of the ring body is basically similar to the existing transfer ring, and a cavity for accommodating the cylinder body or the embryo 9 is formed at the center of the ring body, and clamping blocks are arranged at intervals on the inner peripheral surface of the ring body. Similar to the prior art, it will not be described here.

Specifically, as shown in Figure 2, the described sidewall rolling device 2 includes a shaft frame 21 and a sidewall rolling mechanism arranged on the shaft frame 21, and the described shaft frame 21 includes The provided rotating shaft and the supporting arm 29 fixedly arranged at both ends of the same side of the rotating shaft and extending downward, the cylinder 22 that can drive the supporting arm 29 to swing is fixedly arranged between the supporting arm 29 and the ring body 1, the The tail of the cylinder block is hinged with the ring body, and the end of the piston rod body is hinged with the support arm 29 of the axle frame 21. Because the axis of rotation of the axle frame is parallel to the ring body, and the rolling working position of the sidewall rolling device should be on the left and right sides of the green tire 9, so in order to facilitate the cylinder body to enter the transfer ring, the sidewall rolling device should be There are two stations, the waiting station and the working station. When the waiting station can avoid the entry route of the cylinder, the working station is on both sides of the embryo, which can effectively roll the sidewall. The invention realizes the switch between stations by pushing it to swing around the axis through the cylinder. The sidewall rolling mechanism includes a support platform 23 that can be driven to move along the support arm, and a sidewall rolling wheel that can be driven to move along the ring body axial direction is arranged on the support platform 23. Plate 24, the sidewall rolling wheel 25 is arranged on the rolling wheel bearing plate; specifically, guide rails are arranged radially along the ring body on the support arm 29, and the sidewall rolling The wheel bearing plate 24 is arranged on the support platform 23 through the guide rail slider structure, and is also provided with a support platform drive structure for controlling the movement of the support platform relative to the support arm 29. The support platform drive structure includes a leading screw Nut and servo motor 26, the nut is fixedly connected with the support platform, the servo motor is fixedly arranged on the shaft frame and connected with the lead screw in a transmission manner, and the support platform can be realized along the guide rail by driving the lead screw to rotate through the servo motor. up and down movement. The support platform is provided with a guide rail arranged axially along the ring body, and the sidewall rolling wheel bearing plate is arranged on the support platform through the guide rail slider structure, in order to control the sidewall rolling The pressure wheel bearing plate 24 moves relative to the support platform 23, and a cylinder 27 is also hinged on the support platform, and the piston rod end of the cylinder 27 is hinged with the sidewall rolling wheel bearing plate 24, and can be realized by the cylinder 27. Controllable movement of the sidewall rolling wheel bearing plate 24 relative to the supporting platform 23 .

When performing sidewall rolling, firstly, the cylinder 22 pushes the axle frame down, and the sidewall rolling wheel pierces into the root of the apex rubber of the tire embryo at a predetermined angle to compact the root, and then the servo motor 26 drives the screw nut structure to drive the tire. The side rolling wheel moves up and down on the support arm to roll the apex rubber and the sidewall. When the sidewall rolling wheel moves radially, the cylinder 27 can control the sidewall rolling wheel 25 to move axially along the ring body according to the program. The superposition of the two movements can ensure that the sidewall rolling wheel advances and retreats with the shape of the tire embryo and always maintains the predetermined pressure to compact the apex and the sidewall.

In order to improve the sidewall rolling effect of different types, the sidewall rolling wheel 25 is fixedly connected to the sidewall rolling wheel bearing plate 23 via the connecting plate 28, and multiple Set of fixing holes, by choosing different fixing holes to fix, the angle of the sidewall rolling wheel can be changed, and the rolling effect of different types of tires can be improved.

As shown in Figures 3 and 4, the tread rolling device 4 includes a support platform 40 fixedly connected to the ring body 1, which is arranged on the support platform and can move along the ring body relative to the support platform 40. Two moving platforms 41 that move axially, a tread rolling wheel carrier plate 42 that is arranged on the moving platform and can move radially along the ring body, and a tread rolling wheel carrier plate 42 that is arranged on the tread rolling wheel carrier The rolling wheel 43 of plate front end. Wherein, for the convenience of installation and setting, the said tread rolling device is arranged on the horizontal central plane of the ring body, correspondingly, the said ring body is a fixedly connected upper and lower half-ring structure, and the said tread rolling device The tread rolling device and the shoulder rolling device described below are respectively arranged on the horizontal platforms on both sides of the lower semi-annular body, adopting a two-part semi-annular structure, which facilitates the installation and maintenance of the tread rolling device, that is, the shoulder rolling device.

In order to realize the controllable axial movement of the two mobile platforms 41 relative to the support platform 40 along the ring body, guide rails arranged in the axial direction of the ring body are arranged on the support platform, and the described mobile platforms are set by the guide rail slider structure A lead screw nut structure is arranged on it and between the two, and the lead screw is a left and right screw, which can drive the two mobile platforms to move synchronously forward and reverse along the axial direction of the ring body under the drive of the servo motor.

The tread rolling wheel carrier plate 42 is arranged radially movable on the mobile platform through the guide rail slider structure, and at the same time, an air cylinder 46 is hingedly arranged on the mobile platform. The piston rod end of cylinder 46 is hinged with the tread rolling wheel bearing plate, and when cylinder 46 moves, can promote the tread rolling wheel bearing plate along guide shaft near tread so that tread rolling wheel compresses tread.

Because the tread of the tire is not flat, especially the shoulder portion where the tire faces the sidewall transition, in order to improve the rolling effect of the tread rolling wheel on the shoulder, the tread rolling wheel support plate is provided with Rotatable rotating arm 44, described tread rolling wheel 43 is rotatably arranged on the upper part of rotating arm, and is hingedly provided with rotating arm driving cylinder 45 on the tread rolling wheel support plate, described rotating arm driving cylinder The end of the piston rod of 45 is hinged with the rotating arm. When the rotating arm drives the cylinder to expand and contract, it can drive the rotating arm to rotate around its axis, so as to change the contact angle between the tread rolling wheel and the tire shoulder, and improve its contact angle with the tire shoulder. rolling effect.

As shown in Figures 5 and 6, the shoulder rolling device 3 includes a support platform 30 fixedly connected to the ring body, which is arranged on the support platform 30 and can move axially along the ring body relative to the support platform. Two mobile platforms 31, a shoulder rolling wheel support plate 32 arranged on the mobile platform and movable radially along the ring body, and a shoulder rolling wheel 33 arranged at the front end of the shoulder rolling wheel support plate.

In order to realize the controllable axial movement of the two mobile platforms 31 relative to the support platform 30 along the ring body, guide rails arranged axially along the ring body are arranged on the support platform, and the described mobile platforms are set by the guide rail slider structure A lead screw nut structure is arranged on it and between the two, and the lead screw is a left and right screw, which can drive the two mobile platforms to move synchronously forward and reverse along the axial direction of the ring body under the drive of the servo motor.

The shoulder rolling wheel carrier plate 32 is arranged radially movable on the mobile platform through the guide rail slider structure, and at the same time, a cylinder 34 is hingedly arranged on the mobile platform. The piston rod end of cylinder 34 is hinged with the tire shoulder rolling wheel bearing plate, and when cylinder 34 moves, can promote tire shoulder rolling wheel bearing plate along guide rail and be close to tread so that tire shoulder rolling wheel compresses tire shoulder. And the moving direction of the rolling wheel is not perpendicular to the axis of the ring body but at a certain angle, so that when the cylinder 34 pushes the rolling wheel to work, the inner and outer slopes of the rolling wheel can be pressed against the outer and outer sides of the tire shoulder respectively. round.

At the same time, because there are many stacks at the shoulders and the layers are bent here, it is easy to generate stacks and form wrinkles during rolling. As shown in Figure 6, the outer circle of the shoulder rolling wheel is formed There are two slopes with two different angles to the axis of the tire shoulder rolling wheel. The outer slope 33-2 is in contact with the outer circle of the shoulder with a predetermined pressure and pressed tightly, while the inner slope 33-1 of the wheel body Contact and press the outer surface of the shoulder with a predetermined pressure, and a plurality of grooves are arranged at intervals on the outer slope surface, and the extending direction of the grooves is the same as the axial direction of the shoulder rolling wheel . Specifically, the outer circle of the shoulder rolling wheel wheel is not a ring, but is composed of two circular table tops, forming a structure with a middle height and slopes on both sides on the shoulder rolling wheel body. One wheel body can be used to roll the two places to improve the adaptability to the bending of the shoulder. At the same time, the effect of the groove formed on the outer slope can be used to produce a similar pinching effect, just like the pinching process of buns. It can effectively homogenize the tire embryo at the shoulder to ensure a smooth and smooth pressing curve.

Furthermore, after the tread and the belt layer are bonded, there is a preload and action before the transfer ring transfers to preload each layer. In order to improve the concentration of each rolling device and facilitate installation and maintenance, the The above-mentioned pre-pressing device 6 is also fixedly arranged on the ring body, and the described pre-pressing device is arranged at the center of the ring body, which includes a guide shaft fixedly connected with the ring body and arranged radially, and a matching sleeve arranged on the ring body. The pre-compression rolling wheel bearing plate on the guide rail and the pre-compression rolling wheel are arranged on the lower part thereof. After the bonding of the tread and the belt layer is completed, the transfer ring enters the clamping station, and the pre-pressing device on the transfer ring can perform preliminary pressing, and the device is integrated on the transfer ring, reducing the The complexity of the structure and control of the belt layer feeding frame integrates various rolling operations to improve efficiency.

Preferably, the center of the ring body is also provided with a central marking device 7, marking the center of the embryo can realize rapid centering in subsequent operations and improve operational efficiency. The central marking device includes a guide rail fixedly connected with the ring body and arranged radially, a central marking wheel bearing plate matched and sleeved on the guide rail, and a central marking wheel arranged below it. After the blank is formed, the central marking device on the control transfer ring can mark the center of the tread circumference of the blank for subsequent centering. The device is integrated on the transfer ring, which reduces the waiting time of this step and improves efficiency.

It should be pointed out that the axial direction of the ring body and the radial direction or axial direction of the ring body mentioned in the above description, unless otherwise specified, are preferably parallel or approximately parallel to the axial or radial direction of the ring body. It is only necessary to be able to move the roller to a matching position without interfering with other parts. At the same time, the above-mentioned driving structure is not limited to the structure of the guide rail slider and the lead screw nut, and the driving methods such as guide rod, synchronous belt rack, and chain can be used, which will not be described in detail here.

The above is only a preferred embodiment of the present invention, it should be pointed out that, for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, these improvements and Retouching should also be regarded as the protection scope of the present invention.

Claims (10)

1. transmission ring with roll extrusion function, comprise the ring body that can be driven along rail moving, be arranged on the grip block on the ring body inner periphery, it is characterized in that it also comprises and is fixedly installed on the ring body and can carries out the sidewall rolling device of roll extrusion, the tyre surface rolling device that is fixedly installed on the ring body and can carries out the tire shoulder rolling device of roll extrusion and be fixedly installed on the ring body and can carry out to tyre surface roll extrusion tire shoulder to the sidewall.

2. transmission ring as claimed in claim 1, it is characterized in that, described sidewall rolling device comprises pedestal and the sidewall rolling mechanism that is arranged on the pedestal, described pedestal comprises with the rotating shaft of ring body axially parallel setting and is arranged on rotating shaft terminal and to the support arm of downward-extension, between described support arm and ring body, be provided with the cylinder that the drivable shaft frame swings, described sidewall rolling mechanism comprises can be driven the support platform that moves along described support arm, be arranged on the described support platform and can be driven and compress or away from the sidewall rolling wheel loading plate on sidewall, and be arranged on sidewall rolling wheel on the described rolling wheel loading plate.

3. transmission ring as claimed in claim 2 is characterized in that, described sidewall rolling wheel is fixedly connected with sidewall rolling wheel loading plate by connecting plate, offers accordingly many group fixing holes on described connecting plate or the sidewall rolling wheel loading plate.

4. transmission ring as claimed in claim 1, it is characterized in that, described tyre surface rolling device comprises the support platform that is fixedly connected with described ring body, be arranged on and also can be driven relative support platform on the described support platform along axially synchronous forward and reverse two mobile platforms that move of ring body, be arranged on the described mobile platform and can be driven and compress or away from the tyre surface rolling wheel support plate of tyre surface, and the tyre surface rolling wheel that is arranged on described tyre surface rolling wheel support plate front end.

5. transmission ring as claimed in claim 4, it is characterized in that, rotatably be provided with turning arm on the described tyre surface rolling wheel gripper shoe, described tyre surface rolling wheel is fixed on turning arm top, is provided with between described turning arm and tyre surface rolling wheel gripper shoe to drive the cylinder that turning arm rotates.

6. transmission ring as claimed in claim 1, it is characterized in that, described tire shoulder rolling device comprises the support platform that is fixedly connected with described ring body, be arranged on and also can be driven relative support platform on the support platform along axially synchronous forward and reverse two mobile platforms that move of ring body, be arranged on the mobile platform and driven and can compress or away from the tire shoulder rolling wheel support plate of tire shoulder, and the tire shoulder rolling wheel that is arranged on tire shoulder rolling wheel support plate front end.

7. transmission ring as claimed in claim 6, it is characterized in that, the wheel body cylindrical of described tire shoulder rolling wheel is formed with two and is the domatic of two different angles with tire shoulder rolling wheel axis, outer side slope contacts with predetermined pressure with the tire shoulder cylindrical and with its compression, and the interior side slope of wheel body contacts with predetermined pressure with the lateral surface of tire shoulder and with its compression, the compartment of terrain is provided with a plurality of grooves on described outer side slope.

8. transmission ring as claimed in claim 1 is characterized in that, described ring body is divided into the up and down two parts ring body structurc that is fixedly connected with, and described tyre surface rolling device and tire shoulder rolling device are fixedly installed on the two ends of Lower Half ring body.

9. transmission ring as claimed in claim 1, it is characterized in that, ring week center at ring body also is provided with the pre-pressing device, and it comprises the axis of guide that is fixedly connected with and is disposed radially with ring body, the pre-pressing rolling wheel that coupling is set in the pre-pressing rolling wheel loading plate on the axis of guide and its underpart is set.

10. transmission ring as claimed in claim 1, it is characterized in that, ring week center at ring body also is provided with the center chalker, and it comprises the guide rail that is fixedly connected with and is disposed radially with ring body, the center stitch marker that coupling is set in the center stitch marker loading plate on the guide rail and its underpart is set.

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