CN101214708A

CN101214708A - Rubber sheet granule cutter

Info

Publication number: CN101214708A
Application number: CNA200710116416XA
Authority: CN
Inventors: 单国玲; 杜云峰; 王健; 马海民
Original assignee: Triangle Tyre Co Ltd
Current assignee: Triangle Tyre Co Ltd
Priority date: 2007-12-29
Filing date: 2007-12-29
Publication date: 2008-07-09
Anticipated expiration: 2027-12-29
Also published as: CN100544923C

Abstract

The invention relates to a rubber sheet granulating mill, and belongs to the field of rubber processing machinery. The invention comprises a rubber sheet feeding device and a chassis. The invention is characterized in that the tail end of the conveyance belt of the rubber sheet feeding device is provided with a length cutting device; the length cutting device consists of a lower line of disc type length cutting knife and an upper line of length cutting knife; the rotor shafts of the lower disc type length cutting knife and the upper length cutting knife are vertical to the direction of the motion of the conveyance belt; corresponding end faces of the lower length cutting knife and the upper length cutting knife cling to each other; the rear parts of the lower length cutting knife and the upper length cutting knife are provided with a fixed cross cutting knife and a rotary cross cutting knife; the fixed cross cutting knife is a bar-shaped cutter; the rotary cross cutting knife consists of a rotary roll edged with a blade; a lift angle is formed between the blade and of a rolling shaft in the tangential direction. The invention solves the problem of granulation of gross rubber in cold state through a length cutting and a cross cutting; meets the requirements for parking and evenly mixing in the process flow; improves the rubber mixing efficiency and quality; saves the electric power, and reduces the labor intensity.

Description

Rubber sheet granule cutter

Technical field

The invention belongs to the rubber processing machinery field, especially a kind of rubber sheet granule cutter.

Background technology

In the rubber processing process, elastomeric compound generally is to become the mode of buttress to deposit with lamination, for the uniformity that obtains, drops into banbury again after need mixing multiple batches of sizing material and processes, and in order to reach the purpose of batch mixing, generally takes two kinds of ways:

First kind of way is: with 2～3 buttress film weighings simultaneously, claiming the foot back to cut off film drops in the banbury, this way has certain mixing effect, but troublesome poeration, need the artificial auxiliary scale of going up, hand labor intensity is big, and enters banbury with film forms, and disperseing in banbury needs some times;

Second kind of way is: the hot granulation of elastomeric compound, promptly enter screw extruder behind the banbury discharge, and utilize pellet head to carry out granulation, cool drying and mixing are carried out in granulation, drop into banbury processing then.This way mixing is respond well, but complex process consumes a large amount of electric power in the extruding pelletization process, because sizing material needs the storage period of a few hours, park easy bonding in the micelle mode, also is difficult to guarantee even frequently stir.

From this, two kinds of ways respectively have shortcoming, and best bet is: sizing material is parked with film forms, become granular the mixing again after reaching the process stipulation time under cold conditions, need not park direct input banbury processing after the mixing.Do having guaranteed the mixing effect like this, reduced power consumption, also do not exist and park adhesion problem, thereby micelle does not need manually auxiliary weighing to reduce labour intensity, and sizing material disperses faster with the granular banbury that enters than film, thereby the shortening mixing time improves refining colloid amount.

For reaching above this purpose, just need a kind of equipment of exploitation that film is become the equipment of micelle under cold conditions, rubber sheet granule cutter of the present invention promptly arises at the historic moment.

Summary of the invention

In order to satisfy the demand of in the rubber processing process film being carried out the cold conditions granulation; the invention provides a kind of rubber sheet granule cutter; the purpose of this equipment just provides a kind of Granulation Equipments new, that adapt to process requirements, to obtain the production efficiency higher than conventional method, improves refining colloid amount.

The technical solution adopted for the present invention to solve the technical problems is: comprise adding the film device, frame, it is characterized in that, the transmission belt end that adds the film device is provided with longitudinal cutting device, longitudinal cutting device is cutter and a top slitter under the rip cutting of two rows disc type, the rotating shaft of cutter and top slitter is vertical with the direction of motion of transmission belt under the disc type rip cutting, cutter is close to the corresponding end face of top slitter under the rip cutting, cutter and top slitter rear portion under the rip cutting, the fixing crosscut stationary knife and the crosscut hobboing cutter of rotation are installed, the crosscut stationary knife is a bar shaped cutter, the crosscut hobboing cutter is to roll in rotation to stud with the blade formation, and blade and roller bearing have a lift angle on tangential.

The present invention also can realize by following measure: cutter is being axially arranged with hold down gag under top slitter and the rip cutting, radially is provided with coupling or uncoupling means.

The invention has the beneficial effects as follows, this equipment passes through cutting twice in length and breadth, broad-amplitude film is become cubic little micelle under cold conditions, solved the problem of elastomeric compound cold conditions granulation, satisfied in the technological process parking the dual requirements with mixing, improve refining glue efficient and quality, saved electric power, reduced labour intensity.

Description of drawings

The present invention is further described below in conjunction with drawings and Examples.

Fig. 1, structural representation of the present invention.

1. crosscut rolling cuts among the figure, 2. dusting device, 3. top slitter, 4. cutter under the rip cutting 5. adds the film device, 6. frame, 7. crosscut stationary knife, 8. sizing material collecting box, 9. support.

The specific embodiment

In Fig. 1, comprise and add film device 5, frame 6, support 9, the transmission belt end that adds film device 5 is provided with longitudinal cutting device, longitudinal cutting device is cutter 4 and a top slitter 3 under the rip cutting of two rows disc type, the rotating shaft of cutter 4 and top slitter 3 is vertical with the direction of motion of transmission belt under the disc type rip cutting, cutter 4 is close to the corresponding end face of top slitter 3 under the rip cutting, cutter 4 and top slitter 3 rear portions under the rip cutting, the crosscut hobboing cutter 1 that fixing crosscut stationary knife 7 is installed and rotates, crosscut stationary knife 7 is bar shaped cutters, crosscut hobboing cutter 1 is to roll in rotation to stud with the blade formation, blade and roller bearing have a lift angle on tangential, cutter 4 is being axially arranged with hold down gag under top slitter 3 and the rip cutting, radially is provided with coupling or uncoupling means.

Each several part of the present invention is briefly described below:

One, add film device 5: this is one section belt conveyer, and effect is to eat into film, manually the film leader is put on the belt, starts belt feeder film is fed forward to longitudinal cutting device.

Two, longitudinal cutting device: the transmission belt end that adds film device 5 is provided with longitudinal cutting device, longitudinal cutting device is cutter 4 and a top slitter 3 under the rip cutting of two rows disc type, the rotating shaft of cutter 4 and top slitter 3 is vertical with the direction of motion of transmission belt under the disc type rip cutting, cutter 4 is close to the corresponding end face of top slitter 3 under the rip cutting, with side edge work, cutter 4 and top slitter 3 rear portions under the rip cutting, the crosscut hobboing cutter 1 that fixing crosscut stationary knife 7 is installed and rotates, crosscut stationary knife 7 is bar shaped cutters, crosscut hobboing cutter 1 is to roll in rotation to stud with the blade formation, blade and roller bearing have a lift angle on tangential, cutter 4 is being axially arranged with hold down gag under top slitter 3 and the rip cutting, radially is provided with coupling or uncoupling means.Cutter 4 rotates simultaneously under disc type top slitter 3 and the disc type rip cutting, adds film that the film device sends here by automatically between the wedging blade, promptly becomes strip after passing through cutting edge, finishes the rip cutting process.In order to overhaul with easy to adjust, cutter 4 has a deciliter mechanism with top slitter 3 strings under the rip cutting, and upper slitter compresses adjusting device axially having.

Three, infeed set-up: be positioned at rip cutting cutting disc back, crosscut hobboing cutter 1 two parts by fixing crosscut stationary knife 7 and rotation are formed, crosscut stationary knife 7 is bar shaped cutters, crosscut hobboing cutter 1 is to roll in rotation to stud with 6 blades and constitute, 6 blades and roller bearing have a lift angle on tangential, make cutting more steady.Adhesive tape enters intersection regions after by the rip cutting cutting disc, then rotating knife and dead knife with adhesive tape to being cut into grain, adhesive tape do not stop before give, the cutting that crosscut hobboing cutter 1 does not stop, crosscut hobboing cutter 1 can be 6 cuttves, also can be less than or more than 6 cuttves.

Four, frame 6: because pelleter power is bigger; and bear frequent impact load (mainly being traverse sections); so frame 6 must be enough solid; micelle has splash phenomena in the pelleter course of work in addition; and cut to have in the glue process and isolate pulvis and fly upward; so on frame, must establish the protection casing, consider the convenience of troubleshooting, cabinet design is the turning structure of opening.

Five, the micelle collecting box 8: sizing material collecting box 8 is established in frame 6 belows, is convenient to micelle and concentrates conveying.

Six, drive unit: rip cutting and add film and be steady load, select for use alternating-current variable frequency motor to join the common cycloid pin gear speed reducer as driving; And crosscut partly belongs to impact load character, adopts many wedges belt transmission more reasonable, and the rotary inertia design of driven pulley is bigger.

Seven, cooling device: because quantity of heat production is bigger in the course of work, so set up the water jacket cooling separately in rip cutting cutting disc, crosscut hobboing cutter rotation section, by the logical cooling water of swivel joint, crosscut stationary knife part is also established the water jacket cooling on tool rest.

Eight, dusting device 2: be unlikely to bonding for micelle is fully isolated, so need the interleaving agent of annotating in the pelletizing process, the pressed powder interleaving agent is used in design herein, establishes a dusting device 2 above frame 6, by air pressure pulvis is sprayed onto the pelletizing district.

Control system: add glue, rip cutting, crosscut three speed and need coupling, thus need control system to coordinate, and change by the relative difference that adds glue and rip cutting speed and to control pelletizing size and output, need establish overload and overtemperature prote.

Claims

1. rubber sheet granule cutter; comprise and add the film device; frame; it is characterized in that: the transmission belt end that adds the film device is provided with longitudinal cutting device; longitudinal cutting device is cutter and a top slitter under the rip cutting of two rows disc type; the rotating shaft of cutter and top slitter is vertical with the direction of motion of transmission belt under the disc type rip cutting; cutter is close to the corresponding end face of top slitter under the rip cutting; cutter and top slitter rear portion under the rip cutting; the fixing crosscut stationary knife and the crosscut hobboing cutter of rotation are installed; the crosscut stationary knife is a bar shaped cutter; the crosscut hobboing cutter is to roll in rotation to stud with the blade formation, and blade and roller bearing have a lift angle on tangential.