CN2291283Y

CN2291283Y - Rubber powder making machine

Info

Publication number: CN2291283Y
Application number: CN 97218183
Authority: CN
Inventors: 张恩录
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-06-04
Filing date: 1997-06-04
Publication date: 1998-09-16
Anticipated expiration: 2007-06-04

Abstract

The utility model relates to a rubber powder producing machine which is provided with a machine frame (16), a motor, a speed reducer (1), a fixed housing (6) and a threaded rod (4) driven by the motor. The utility model is characterized in that the outlet end of the housing (6) is provided with an external grinding fan (7) provided with an endocone-shaped working surface; the outlet end of the threaded rod (4) is provided with a conical grinding fan (8) provided with an external cone-shaped working surface; the two working surfaces are provided with gaps (34) which are gradually tapered toward the discharge end; a working gap (35) adjusted by nuts (21) is arranged on the discharge end. The utility model is also provided with a cooling system (12); materials are squeezed, scrolled and ruptured in the gaps (34) and are formed into rubber particles with certain size to be output through the gap (35). The utility model has the advantages of small power consumption and no rubber burning, and fine rubber power can be produced.

Description

The rubber flour mill

The utility model relates to general fragmentation, grinds or pulverizes, and particularly uses pulverizing and pulverizing of disc type grinding mill.

Existing processing waste rubber product such as damaged tire, the breaker of scrap leather band etc., a kind of is to adopt the twin-screw engagement, and with rubber extruded, friction and cut-out, another kind is the roller that is had the rib groove by two outer surfaces, and the centre has very closely spaced being contained in the shell, two roller rotating speed differences, thereby formation is to the extruding of rubber, friction and cut-out, the pulverizer of these kinds, its power consumption is big, simultaneously because attrition surface is big, have too high and problem that form to burn glue, and the particle of pulverizing out big (diameter is more than 0.4mm), can not well adapt to now requirement thin rubber powder in local temperature.

The purpose of this utility model provides a kind of efficient height, can not burn glue, is suitable for making the rubber flour mill of thin rubber powder.

The purpose of this utility model realizes by following technical scheme, the rubber flour mill has frame, motor and decelerator, fixing housing, the screw rod that links to each other with decelerator with motor in housing, hopper on the housing, it is characterized in that the port of export at housing is connected with the outer millstone of inner conical working face, the taper millstone that the male-tapered working face is arranged at the port of export of screw rod, in said, has the gap that diminishes gradually from feed end to discharge end between the male-tapered working face, discharge end has the working clearance, has the helix that the feed end from millstone extends to discharge end on the inside and outside taper work face, on housing, be connected with adjusting nut, also have the discharging housing of discharge end and the cooling system of outer millstone of cooling and taper millstone with screw thread.

The helix that helix on the said inside and outside taper work face is preferably shoaled to discharge end gradually by feed end.

The helix that helix on the said inside and outside taper work face is preferably shoaled to discharge end gradually by feed end, it can extend on the full duration of taper work face, also extends to the helix of the 85%-95% of full duration at the feed end of taper work face.

During work, place the micelle that desire is pulverized in the hopper, screw rod with micelle outside the port of export is carried and is clamp-oned in the gap between millstone and taper millstone, because the helix that the taper work mask of two millstones has, also micelle is carried to discharge end, and since two taper work faces between the gap from large to small, micelle is rolled and friction becomes rubber volume, and with the diminishing and be stretched and volume is tight more more of gap, to surpassing that rubber intensity is limit and explosion becomes granule, granule advances to discharge end, rolling again, stretch and break, after working clearance and be broken into qualified micelle enter sorter by the discharging housing and export.

Cooling system makes outer millstone and taper millstone keep certain temperature and unlikely temperature is too high and form and burn glue.Cooling system also can be used to cool off housing and screw rod.

Rubber crusher of the present utility model, power consumption is little, and operating temperature is stable, can not form burning glue, and can be by regulating the granularity that the output rubber powder is regulated in the gap, the micelle granularity of production is more even, I is suitable for the particularly production of thin rubber powder of various granularities by 130 purpose screen clothes.

Below, in conjunction with the accompanying drawings and embodiments, rubber flour mill of the present utility model is done detailed explanation.

Fig. 1 is the general assembly schematic diagram of the utility model rubber flour mill;

Fig. 2 is the enlarged drawing of A portion among Fig. 1 of the utility model rubber flour mill.

As Fig. 1, Fig. 2, this rubber flour mill has frame 16, and motor and decelerator 1 are housed on the frame, and decelerator can be conventional gear, cycloidal-pin wheel, the decelerator of forms such as planetary gear.Also has retainer 3, retainer 3 two ends have bearing 2, screw rod 4 by bearing 2 supports, screw rod 4 links to each other with motor with decelerator and is driven rotation, fixing housing 6 is arranged outside the screw rod 4, hopper 5 is arranged on the housing, housing 6 is at one end supported by retainer or is directly supported by frame 6, housing 6 ports of export are connected with outer millstone 7, outer millstone 7 has the inner conical working face, the port of export of screw rod 4 is connected with taper millstone 8, it has the male-tapered working face, the taper millstone is contained within the outer millstone, by the screw rod side is feed end, the other end is a discharge end, in, has gap 34 between the male-tapered working face from feed end to discharge end diminishes gradually, discharge end has the working clearance 35, in said, all has helix 33 on the male-tapered working face, but helical angle difference, helix 33 is etc. dark, preferably from feed end to discharge end by shoaling deeply gradually, can have helix at the discharge end place and promptly on the full duration of taper work face, be extended with helix 33, also can not have helix, for example in the 15%-5% of the full duration of discharge end, do not have helix, be that helix is the 85%-95% that extends to full duration at the feed end of taper work face, the taper discharge end that has helix 33 on the taper work face and have a no helix partly helps advancing of sizing material more and pulverizes, have discharging housing 17 at discharge end, the discharging lower housing portion is connected with sorter 18 (for example screen mesh type sorter), will export from hopper 19 after the rubber powder classification after pulverizing.

Port of export outside at housing 6 has screw thread, be connected with adjusting nut 21, rotating adjusting nut 21 can regulate the position of outer millstone 7 thereby change it and the size of the working clearance of taper millstone 35 and control the size of rubber powder granule, granular size mainly is by gap 35 decision of two millstone discharge ends, gap 35 is big, and then the discharging particle is big.Outer millstone 7 usefulness conventional methods are fixed and are made it and are close to mutually with the end face of adjusting nut 21.

The outlet end of screw rod 4 has the prolongation axle 27 of hollow, and the taper millstone is fixed on the water cavity 23 that prolongs on the axle 27 and form hollow with nut 9, and also there is water jacket 22 outside of outer millstone 7, in order to recirculated cooling water.

This rubber flour mill also has water cooling system 12, in order to cool off outer millstone and taper millstone, cooling system comprises water tank 13 in the present embodiment, pump 14, water inlet pipe 15, outlet pipe 11, bend pipe 32, flexible pipe 31, sealing 24 and 29, outlet pipe 11 has outer tube 30, and it is fixed on the seal receptacle 10, seat 10 is packed on the frame, seat 10 seals 29 sealings with rotating prolongation axle 27 usefulness, pipe 28 in outlet pipe also has, and it stretches into prolongation axle 27 and seals mutually with sealing 24, on the both sides of sealing 24 prolongation axle, inlet opening 25 and apopore 26 are arranged, cooling water enters the water jacket 22 of outer millstone by being pumped into water inlet pipe 15, and manages 32 certainly and enter in the outer tube 30 of outlet pipe 11, is entered the water cavity 23 of taper millstone by inlet opening 25, pipe 28 and be back to outlet pipe 11 and be back to water tank in apopore 26 enters is finished the work of cooling millstone and cone mill again.

Certainly, recirculated water has multiple Inlet and outlet water mode, for example supplies water to water cavity 22,23 respectively, is not limited in the described mode of present embodiment, and it also can be used for housing 6 and screw rod 4 are cooled off simultaneously.

The operation principle of this rubber flour mill is as follows, the screw shaft 4 of rotation is with in the gap 33 between the taper work face of lump material millstone 7 and taper millstone 8 outside hopper 5 is delivered to, this gap is that the flow direction along material is by diminishing gradually greatly, in this gap, micelle is promoted by screw rod 4 and the promotion of helix 33 is carried to discharge end, and constantly pushed, rolling, explosion and powdered, after the gap 35 of discharge end and micelle is pushed, be ground into certain particle, powder enters sorter 17 through discharging housing 16.

Rubber crusher of the present utility model with micelle extruding, is pulverized, and epigranular so power consumption is little, has cooling system, can not form high temperature and burn glue, but and the thinner rubber powder of output, be suitable for the production of the micelle of various granularities.

Claims

1, a kind of rubber flour mill, has frame (16), motor and decelerator (1), fixing housing (6), the screw rod (4) that links to each other with decelerator (1) with motor in housing (6), hopper on the housing (5), it is characterized in that the port of export at housing (6) is connected with the outer millstone (7) of inner conical working face, be connected with the taper millstone (8) of male-tapered working face at the port of export of screw rod (4), in said, has gap (34) between the male-tapered working face from feed end to discharge end diminishes gradually, discharge end has the working clearance (35), has the helix (33) that the feed end from millstone extends to discharge end on the inside and outside taper work face, upward be connected with adjusting nut (21) at housing (6), also have the discharging housing (17) of discharge end and the cooling system (12) of cooling outer millstone (7) and taper millstone (8) with screw thread.

2,, it is characterized in that the helix (33) on the working face of said inside and outside taper is the helix that is shoaled gradually to discharge end by feed end by the described rubber flour mill of claim 1.

3, by the described rubber flour mill of claim 2, it is characterized in that said helix (33) is the helix that extends on the full duration of taper work face.

4, by the described rubber flour mill of claim 2, it is characterized in that said helix (33) is the helix that extends to the 85%-95% of full duration at the feed end of taper work face.