CN201442355U

CN201442355U - Rear conveying device

Info

Publication number: CN201442355U
Application number: CN2009200305288U
Authority: CN
Inventors: 杨殿才; 蓝宁; 张希望; 王报林
Original assignee: Qingdao Mesnac Co Ltd
Current assignee: Mesnac Co Ltd
Priority date: 2009-07-27
Filing date: 2009-07-27
Publication date: 2010-04-28
Anticipated expiration: 2019-07-27

Abstract

The utility model relates to a rear conveying device, which is characterized in that after tread rubber is cut via fixed length, the rear conveying device matches with a front conveying device to moderately center and adjust the tread rubber, smoothens and grinds the thread rubber so as to match with accurate centering in the follow-up conveying process, realizes a pretreatment centering conveying line without utilizing manual intervention or utilizing remedial measures, is relatively high in automation degree and is favorable for increasing centering and adjusting efficiency of the tread rubber. A main driving roll is transversely axially arranged on the middle portion of a conveying board, and a motor and a speed reducer are connected to lateral ends of the main driving roll. At least one set of a centering guide device and a pressing roll device are arranged, the centering guide device is equipped with a group of a left baffle plate and a right baffle plate, and the baffle plates are arranged above a conveying roller in parallel through a front support and a rear support. The pressing roll device is provided with a pressing roll sleeved on a pressing roll transverse beam, two ends of the pressing roll transverse beam axially arranged between conveying boards through bearings and expansion sleeves, and the bearings and the expansion sleeves on two sides are respectively connected with a driving rod of a swinging cylinder through a pressing roll swinging arm.

Description

Rear conveying device

Technical Field

The utility model provides a be applied to back conveyor of full-automatic tread rigging machine of tire retreading belongs to rubber machinery.

Background

Due to the widespread use of vehicles such as automobiles and airplanes, a large amount of discarded tires are required to be disposed of every year. Not only waste of rubber resources is formed, but also a series of problems of environmental pollution are brought. At present, a retreading method is generally adopted for a worn tire with a worn tread pattern to be put into recycling again.

The existing tire retreading equipment adopts a polishing machine to polish the tread of a used tire, then a middle pad is adhered to a tire body, a new annular tread is wound on the tire body, a composite part is formed by pressing and attaching, and finally the composite part is sent into a vulcanizing tank for vulcanization molding.

According to the tread rubber fitting process, in the process of winding the strip-shaped tread rubber on the surface of the tire body, the tread rubber is difficult to center and correct in time on a conveying line with a short distance, and large deviation often occurs, so that manual intervention is needed for remedy, the labor load of operators is increased, and the tightness after fitting is affected due to local stretching of the tread rubber easily.

Even if accurate centering or fixed edge adjustment is adopted, a section of pretreatment conveying line is needed to effectively rectify the deviation of the tread rubber cut to a fixed length and prepare for subsequent accurate centering or fixed edge adjustment. At present, the conveying deviation rectifying technology aiming at the tire retreading tread fitting process is lacked.

SUMMERY OF THE UTILITY MODEL

Rear conveyor, lie in solving above-mentioned problem and carry out the fixed length at the tread rubber and cut out the back, conveyor carries out well centering in moderate degree to the tread rubber before the cooperation to level and roll the tread rubber, well centering in the accuracy in the follow-up transport technology of cooperation.

The utility model discloses a design aim at realizes a preliminary treatment well transfer chain, need not to adopt manual intervention and take remedial measure, and degree of automation is higher, helps improving tread rubber well-defined regulation efficiency.

Another design objective is, under the prerequisite that provides tread rubber and carry power forward, avoid excessively stretching partially to tread rubber to guarantee the inseparable performance of tread rubber and matrix laminating, improve tire retreading processingquality.

In order to achieve the design purpose, the rear conveying device applied to the full-automatic tire surface laminating machine for retreading is connected between a cutting device and a front conveying device of the tire surface laminating machine through a group of conveying plates, and a plurality of groups of conveying rollers are arranged between the conveying plates.

The difference with the prior art is that a main driving roller is transversely arranged at the middle part of the conveying plate in a shaft mode, and a motor and a speed reducer are connected to the side end of the main driving roller.

At least one group of centering guide devices and a press roll device are arranged, the centering guide devices are provided with a group of left and right baffle plates, each baffle plate is arranged above the conveying roller in parallel through a front support and a rear support, and the supports extend to the lower part of the conveying roller and are connected with a transverse displacement adjusting device.

The compression roller device is provided with a compression roller which is sleeved on a compression roller cross beam, two ends of the compression roller cross beam are axially arranged between the conveying plates through bearings and expansion sleeves, and the bearings on two sides and the expansion sleeves are respectively connected with a driving rod of the swing cylinder through a compression roller swing arm.

According to the scheme, the rear conveying device is matched with the cutting device to cut the tread rubber in a fixed length mode, and the tread rubber is roughly centered before being conveyed to the front conveying device to be accurately centered and adjusted, so that the local stretching degree of the tread rubber is reduced.

And a main driving roller in the rear conveying device provides conveying power to the tread rubber under the driving of a motor and a speed reducer, and the tread rubber is conveyed forwards above the unpowered conveying roller.

And the centering guide device is driven by the transverse displacement adjusting device to perform rough centering adjustment on the tread rubber.

The press roll device can flatten and compact the cut tread rubber to prevent the tread rubber from curling or tilting.

In order to improve the tread rubber centering pretreatment effect, two sets of centering guide devices and a compression roller device can be arranged in the rear conveying device, and the main driving roller is arranged between the front centering guide device and the rear centering guide device.

In order to further optimize the transverse displacement adjusting capability of the centering guide device so as to adapt to tread rubber widths required by retreading of tires of different models and specifications, the transverse displacement adjusting device comprises a bottom longitudinal split-combined block connected with a front support and a rear support, the split-combined block is sleeved on a front optical axis and a rear optical axis, and the split-combined block is connected with a nut.

The screw nuts below the left baffle and the right baffle are respectively sleeved on a left rotating lead screw and a right rotating lead screw, a coupler is connected between the left rotating lead screw and the right rotating lead screw, and an adjusting hand wheel is arranged at one side end of the left rotating lead screw and one side end of the right rotating lead screw.

In order to optimize the clamping effect on the tread rubber in centering guide and avoid the deviation phenomenon caused by overlarge local stress, a plurality of rollers are arranged at the inner side parts of the left baffle and the right baffle which are opposite.

To sum up, the utility model discloses back conveyor's advantage and beneficial effect are:

1. the moderate centering pretreatment of the tread rubber during the conveying process obviously facilitates the subsequent accurate centering, does not need manual intervention and manual remedial measures, and has high automation degree.

2. The power drive that tread rubber carried forward is provided, avoids stretching tread rubber local excessively to guarantee the inseparability of tread rubber and matrix laminating, improve tire retreading processingquality.

Drawings

The present invention will now be further described with reference to the accompanying drawings

FIG. 1 is a schematic view of the fully automated tread applicator;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of the post-delivery device;

FIG. 4 is a top view partially in section of FIG. 3;

as shown in fig. 1 to 4, the separation and combination roller device 1, a main body 2, a rim 21, a motor and speed reducer 22, a front conveying device 3, a rear conveying device 4, a cutting device 5, and a base 6;

a conveying plate 40, a conveying roller 400, a main driving roller 41, a motor and a speed reducer 42,

the centering guide device 43, the left baffle 431, the right baffle 431, the bracket 432, the combining block 433, the optical axis 434, the screw 435, the left screw 436, the right screw 436, the coupler 437, the hand wheel 438 and the roller 439;

the pressing roll device 44, a pressing roll beam 440, a pressing roll 441, a bearing and expansion sleeve 442, a pressing roll swinging arm 443 and a swinging cylinder 444.

The dashed lines in fig. 1 indicate retreaded tires.

Detailed Description

In embodiment 1, as shown in fig. 1 and 2, the fully automatic tread laminating machine to which the rear conveyor 4 is applied further includes a main machine 2, and a rim 21 that is driven to rotate by a motor and a speed reducer 22 and bears a retreaded tire is provided on the main machine 2.

The main machine 2 is connected on the tracks on the two sides of the base 6 in a sliding manner, and a pressing and combining roller device 1 for pressing tread rubber is further arranged on one side of the main machine 2.

A cutting device 5, a rear conveying device 4 and a front conveying device 3 are connected in sequence along the tread rubber conveying direction.

The main driving roller 41 in the rear conveyor 4 is driven to rotate by a motor and a speed reducer 42, thereby providing power for forward conveyance of the tread rubber.

As shown in fig. 3 and 4, the rear transport device is connected to the cutting device 5 and the front transport device 3 from front to rear via a pair of transport plates 40. Wherein,

between the transfer plates 40 are provided a plurality of groups of unpowered transfer rollers 400, and a main driving roller 41 is laterally axially provided at the middle of the transfer plates 40.

The rear conveying device 4 is provided with two sets of centering guides 43 and a press roller device 44, a main driving roller 41 is arranged between the front and rear centering guides 43, and a motor and a speed reducer 42 are connected to the side end of the main driving roller 41.

Each set of centering guides 43 is provided with a set of left and right baffle plates 431, each baffle plate 431 being disposed in parallel above the conveyor drum 400 by front and rear brackets 432, the brackets 432 extending below the conveyor drum 400 and being connected to lateral displacement adjustment means.

A plurality of rollers 439 are provided on the inner side of the left and right baffles 431 facing each other.

The transverse displacement adjusting device comprises a bottom longitudinal dividing and combining block 433 connected with a front support 432 and a rear support 432, the dividing and combining block 433 is sleeved on the front optical axis 434 and the rear optical axis 434, meanwhile, the dividing and combining block 433 is connected with a nut 435, the nut 435 is respectively sleeved on a left screw rod 436 and a right screw rod 436, a coupler 437 is connected between the left screw rod 436 and the right screw rod 436, and an adjusting hand wheel 438 is arranged at one side end of the left screw rod 436 and the right screw rod 436.

Each group of the pressing roll devices 44 is provided with a pressing roll 441 sleeved on a pressing roll beam 440, two ends of the pressing roll beam 440 are axially arranged between the conveying plates 40 through bearings and expansion sleeves 442, and the bearings and the expansion sleeves 442 on two sides are respectively connected with a driving rod of a swing cylinder 444 through a pressing roll swing arm 443.

Claims

1. The utility model provides a back conveyor, is applied to the full-automatic tread rigging machine of tire retreading, connects between deciding device (5) and preceding conveyor (3) through a set of delivery board (40), is provided with a plurality of groups between delivery board (40) and carries roller (400), its characterized in that:

a main driving roller (41) is transversely and axially arranged in the middle of the conveying plate (40), and a motor and a speed reducer (42) are connected to the side end of the main driving roller (41);

at least one group of centering guide devices (43) and a press roller device (44) are arranged, the centering guide devices (43) are provided with a group of left and right baffles (431), each baffle (431) is arranged above the conveying roller (400) in parallel through a front bracket (432) and a rear bracket (432), and the brackets (432) extend to the lower part of the conveying roller (400) and are connected with a transverse displacement adjusting device;

the compression roller device (44) is provided with a compression roller (441) sleeved on a compression roller beam (440), two ends of the compression roller beam (440) are axially arranged between the conveying plates (40) through bearings and expansion sleeves (442), and the bearings on two sides and the expansion sleeves (442) are respectively connected with a driving rod of the swing cylinder (444) through a compression roller swing arm (443).

2. The post-transfer device of claim 1, wherein: two sets of centering guides (43) and a pressure roller arrangement (44) are provided, and a main drive roller (41) is provided between the front and rear centering guides (43).

3. The post-conveying device according to claim 1 or 2, characterized in that: the transverse displacement adjusting device comprises a bottom longitudinal split block (433) connected with a front bracket (432) and a rear bracket (432), the split block (433) is sleeved on a front optical axis (434) and a rear optical axis (434), the split block (433) is connected with a screw (435),

the left and right baffle plates (431) are provided with a left and right screw rod (436) respectively sleeved with a nut (435) below, a coupler (437) is connected between the left and right screw rods (436), and one side end of the left and right screw rods (436) is provided with an adjusting hand wheel (438).

4. The post-transfer device of claim 3, wherein: a plurality of rollers (439) are arranged on the inner side parts of the left baffle plate and the right baffle plate (431) which are opposite to each other.