CN2846089Y

CN2846089Y - Crusher for waste tyre

Info

Publication number: CN2846089Y
Application number: CNU2005201230030U
Authority: CN
Inventors: 张春铭; 张兴泉
Original assignee: RUIDE MACHINERY MANUFACTURING Co Ltd TIANJIN
Current assignee: RUIDE MACHINERY MANUFACTURING Co Ltd TIANJIN
Priority date: 2005-11-09
Filing date: 2005-11-09
Publication date: 2006-12-13
Anticipated expiration: 2015-11-09

Abstract

The utility model relates to a crusher for a waste tyre, which comprises a power part which is connected with a speed reducer through a first shaft coupling by an electric motor, wherein a material crushing part is composed of a drive roller and a driven roller which are arranged on a main frame side by side, wherein the drive roller is connected with the speed reducer through a second shaft coupling; the driven roller capable of freely rotating around a shaft center is arranged on the main frame by a bearing device; a preset gap is reserved between the drive roller and the driven roller, the preset gap is the distance that the drive roller winding the materials to be crushed can just drive the driven roller and the drive roller to oppositely roll and mill; a hollow chamber in each roller body is respectively communicated with a refrigeration system. The drive roller is connected with the speed reducer by the proposal, and however, the driven roller is driven to rotate through the reinforced friction through that the drive roller winds the materials to be crushed, and the drive roller and the driven roller need not run according to a certain difference speed ratio, therefore no amount of materials can create that the materials are squeezed between the two rollers to create the problem that the equipment is shut down and the phenomena of the deformation and the roller breakage of the roller body due to the excessive load can not happen.

Description

The junked tire pulverizer

Technical field

The utility model belongs to the material field of crushing equipment, in particular for the wheel mole further is processed into rubber powder, and with rubber powder and steel wire separating waste pulverizer, is specially adapted to the further pulverizing of rubber materials such as waste tire.

Background technology

In the fragmentation work of waste materials, waste tire of automobile is made the wheel mole after whole fragmentation, needs further processing, will take turns mole by the junked tire pulverizer and roll, rubs with the hands and be broken into rubber powder, and rubber powder is separated with steel wire.

Known technology is as disclosed Chinese patent CN200320102601.0, a kind of double-roll type shear breaker that is used for the particularly broken good toughness of toughness material such as broken worn-out printed circuit board, waste or used plastics, rubber and old and useless battery, hardness height, unbending tabular material, by frame, motor reducer, shaft coupling, drive roll and driven roll are formed, wherein the structure of driven roll and drive roll is identical, its surface forms flute profile by straight-tooth and distributes, the engaged move toward one another of doing of the straight-tooth of two rollers, bite has the edge of a knife.

It is the rubber offal treatment equipment and the rubber refuse processing method of processing of rubber discarded object of representative that and for example disclosed Chinese patent CN01142274.2 can carry out with the old tire for one kind effectively.This rubber offal treatment equipment comprises framework; Rubber discarded object variant part, this rubber discarded object variant part is arranged at said frame inside, makes the distortion of rubber discarded object; The gas supply part that comprises ozone, this gas supply part that comprises ozone comprises the gas of ozone to the said frame internal feed, wherein above-mentioned rubber discarded object variant part comprises pair of cylinders shaped rollers portion, this has a plurality of protuberances to drum roller portion along outward direction, the rubber discarded object can be clamped within the gap of roller portion; Apart from the configuration part, this can set the clearance distance of above-mentioned pair of cylinders shaped rollers portion apart from the configuration part.

There are the following problems for known technology: pulverizer is normally by two rollers of differential gear transmission move toward one another, realize the work of comminuting matter, the power consumption of this equipment motor comes from and drives reductor, gear pair, drive roll and driven voller, material load, so power consumption is big;

The processing of waste materials, very big problem is that the material ginseng amalgamation of differing texture, granularity rises, the rotating speed of known technology driven voller is normally changeless, during pulverizer work, the driven voller that is in the constant speed state is to drive by differential gear, because two rollers must be by certain differential than operation, so when load surpasses permissible value, material is many more also will to force by crack between two rollers, equipment is stopped, just the roll breakage phenomenon can take place when the deflection of roller has surpassed the strain permissible value of roller when load is excessive.

Summary of the invention

Problem to be solved in the utility model is: overcome the defective that aforementioned techniques exists, a kind of pulverizer that improves drive structure is provided.

The utility model solves its technical problem and takes following technical scheme to realize: a kind of junked tire pulverizer that provides according to the utility model, comprise power part, described power part is connect by first shaft coupling and reductor by motor, wherein, one material pulverizing portion by and drive roll and the driven roll of arranging device on main frame form, described drive roll is by the connection of second shaft coupling and reductor, the driven roll that can freely rotate around the axle center by bearing arrangement on main frame; Leave default gap between drive roll and the driven roll, described prepsetting gap amount is that the drive roll winding and treated that comminuting matter exactly can drive the relative distance of rolling stone roller with drive roll of driven roll, the hollow chamber of each roll body respectively with cooling system UNICOM.

The utility model solves its technical problem and can also take following technical scheme further to realize:

Aforesaid junked tire pulverizer, wherein, described drive roll outer surface is provided with material and carries structure, and the roll body of drive roll and driven roll is a chilled cast iron.

Aforesaid junked tire pulverizer, wherein, it is skewed slot at uniform setting of drive roll outer surface and center line angulation that the material of described drive roll carries structure.

Aforesaid junked tire pulverizer, wherein, described skewed slot and center line angulation a are the 3-5 degree, described skewed slot cross section is a semi-circular groove.

Aforesaid junked tire pulverizer, wherein, described bearing is a self-aligning roller bearing; Described shaft coupling is a yielding coupling.

Aforesaid junked tire pulverizer wherein, is provided with reinforcement on the described main frame.

Aforesaid junked tire pulverizer, wherein, described drive roll and driven roll all become the drum of hollow, and external diameter is set to 400 millimeters, and length is 600 millimeters, and wall thickness is 70 millimeters; Described gap value is 0.25-2mm; The cross section radius of skewed slot is 3.5 millimeters; Described skewed slot (2110) is 4 degree with center line angulation a.

Aforesaid junked tire pulverizer, wherein, described main frame is that the sheet material of δ 30 installs formation.

Aforesaid junked tire pulverizer, wherein, the roll body of described drive roll and driven roll is that hardness is the chilled cast iron of HS65-72.

The utility model compared with prior art has significant advantage and beneficial effect.

By above technical scheme as can be known, the utility model is under the structure configuration of excellence, have following advantage at least: drive roll is set in this case and reductor connects, and driven roll by the drive roll winding and is treated that comminuting matter passes through powerful friction and is being with rotation, drive roll needn't be by certain differential than operation with driven voller, and how the problem that causes equipment to stop between two rollers can not appear being forced to squeeze in material more yet; Can not produce yet and cause the distortion of roll body, the phenomenon of roll breakage because of load is excessive.The material that this case material pulverizing portion is provided with drive roll carries structure be equipment to material roll and rub with the hands broken better effects if, especially improved the adaptability of plant equipment to material matter, quantitative changeization.This case can be adjusted material well by the uniformity the during crack between two rollers, effectively avoids problems appearance such as shutdowns, roll breakage, and production efficiency is obviously improved.The reasonable disposition of this case makes body stressed more even, and transmission is more steady, is more convenient for installing and maintenance.

The utility model has compared with prior art been obtained the progress of leap property, can be rated as have novelty, the good technology of creativeness, practicality.

Description of drawings

Fig. 1 is the utility model overall structure schematic diagram;

Fig. 2 is main, a driven roll operating conditions schematic diagram in the utility model;

Fig. 3 is a drive roll partial cutaway schematic in the utility model.

The specific embodiment

Below in conjunction with accompanying drawing and preferred embodiment, the specific embodiment, structure, feature and effect thereof that foundation the utility model is provided, describe in detail as after.

Referring to Fig. 1-3, a kind of junked tire pulverizer comprises power part 1, and described power part is connect by first shaft coupling 12 and reductor 13 by motor 11, wherein,

One material pulverizing portion 2 by and drive roll 21 and the driven roll 22 of arranging device on main frame 20 forms, described drive roll is by second shaft coupling 14 and reductor 13 connections, the quilt that can freely rotate around the axle center

On main frame 20, this bearing is a self-aligning roller bearing to action roller by bearing arrangement, can make main shaft stressed evenly, and stable drive prolongs service life of bearing, simultaneously can more convenient installation and maintenance;

Leave default gap 24 between drive roll 21 and the driven roll 22, drive roll and driven roll all become the drum of hollow, and external diameter is set to 400 millimeters, and length is 600 millimeters, and wall thickness is 70 millimeters; The hollow chamber of each roll body respectively with cooling system 23,23a UNICOM, introduce water quench; Drive roll and driven roll employing chilled cast iron, particularly hardness are that the chilled cast iron of HS65-72 is better;

Adopt the sheet material welding of δ 30 on the described main frame 20, reinforcement 201 is set, when work, allow framework that distortion is in a small amount arranged, make main frame carry drive roll and driven roll as spring support, when material pulverizing portion works overloadingly, main frame with strong elastic effectively cushions, the phenomenon of avoiding roller fracture and equipment to stop because of excess load; Described shaft coupling is a yielding coupling, when running into hard thing or material when too much, roll body produces under the reaction force of material and moves radially, at this moment, the axiality of the axle that connects with shaft coupling can change, because elastomeric effect in the shaft coupling, shaft coupling can cushion automatically, therefore can protect vitals not to be damaged;

Described gap value with treat that the comminuting matter granularity has relation, this gap value is arranged on exactly can make treats comminuting matter rolling stones roller, rub with the hands and fall after stone roller is ground into satisfactory granularity through drive roll and driven roll; Described gap value is 0.25-2mm;

Described drive roll outer surface is provided with material and carries structure 211, when material falls from hopper, gather between drive roll and driven roll, having active roller strap that material carries structure material and driven roll and forms powerful friction and be with that driven roll is relative to roll, just form the action of rolling, squeeze, grind, rubbing with the hands between drive roll and driven roll naturally, reach the purpose of comminuting matter; It is skewed slot 2110 at uniform setting of drive roll outer surface and center line angulation that the material of described drive roll carries structure, described skewed slot and center line angulation a are the 3-5 degree, particularly angle a is 4 degree, and this moment, drive roll was stressed the most reasonable, and described skewed slot cross section is a semi-circular groove; The cross section radius of skewed slot is 3.5 millimeters; Have the drive roll of skewed slot structure and the driven roll extruding of smooth roll structure and can well shred object.

Because of driven roll self does not rotate, when material flows into two roller gaps, the moving driven roll rotation of drive roll belongings strip, driven roll is by the frictional force transmission of material like this, material changed by the amount in crack between two rollers in the unit interval, and material itself there are differences that (the piece material is many sometimes, and steel wire is many sometimes in addition, sometimes rubber powder is many), so driven roll is in unfixed speed change state when working.Certainly, the rotating speed of driven roll always is lower than the drive roll rotating speed, thereby forms the speed discrepancy between two rollers.The structure of this case make equipment can realize well roll body to the material of differing texture, granularity roll and rub with the hands broken, this case junked tire pulverizer and known pulverizer relatively, rubber powder output can improve 20%.Stop frequency can reduce 80%, and power consumption can reduce 10%.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims

1. junked tire pulverizer, comprise power part (1), described power part is connect by first shaft coupling (12) and reductor (13) by motor (11), it is characterized in that, one material pulverizing portion (2) by and drive roll (21) and the driven roll (22) of arranging device on main frame (20) form, described drive roll connects by second shaft coupling (14) and reductor (13), the driven roll that can freely rotate around the axle center by bearing arrangement on main frame (20); Leave default gap (24) between drive roll and the driven roll, described prepsetting gap amount is that the drive roll winding and treated that comminuting matter exactly can drive the relative distance of rolling stone roller with drive roll of driven roll, the hollow chamber of each roll body respectively with cooling system (23,23a) UNICOM.

2. junked tire pulverizer as claimed in claim 1 is characterized in that, described drive roll outer surface is provided with material and carries structure (211), and the roll body of drive roll and driven roll is a chilled cast iron.

3. junked tire pulverizer as claimed in claim 1 or 2 is characterized in that, it is skewed slot at uniform setting of drive roll outer surface and center line angulation that the material of described drive roll carries structure.

4. junked tire pulverizer as claimed in claim 3 is characterized in that, described skewed slot (2110) is the 3-5 degree with center line angulation a, and described skewed slot cross section is a semi-circular groove.

5. junked tire pulverizer as claimed in claim 4 is characterized in that, described bearing is a self-aligning roller bearing; Described shaft coupling is a yielding coupling.

6. junked tire pulverizer as claimed in claim 5 is characterized in that, reinforcement (201) is set on the described main frame (20).

7. junked tire pulverizer as claimed in claim 6 is characterized in that, described drive roll and driven roll all become the drum of hollow, and external diameter is set to 400 millimeters, and length is 600 millimeters, and wall thickness is 70 millimeters; Described gap value is 0.25-2mm; The cross section radius of skewed slot is 3.5 millimeters; Described skewed slot (2110) is 4 degree with center line angulation a.

8. junked tire pulverizer as claimed in claim 7 is characterized in that, described main frame (20) installs formation for the sheet material of δ 30.

9. junked tire pulverizer as claimed in claim 8 is characterized in that, the roll body of described drive roll and driven roll is that hardness is the chilled cast iron of HS65-72.