CN1565743A

CN1565743A - Double-roller crusher

Info

Publication number: CN1565743A
Application number: CN 03129664
Authority: CN
Inventors: 李本仁
Original assignee: Shanghai Jianshe Luqiao Machinery Co Ltd
Current assignee: Shanghai Jianshe Luqiao Machinery Co Ltd
Priority date: 2003-07-01
Filing date: 2003-07-01
Publication date: 2005-01-19
Anticipated expiration: 2023-07-01
Also published as: CN1291791C

Abstract

The invention relates to a double roll crusher comprising a frame, a base, a roll shaft, a roll drum and a transmission part, wherein the roll shafts are a high speed roll shaft and a low speed roll shaft mounted with a roll drum respectively, the low-speed roll drum is the smooth roll, the high-speed roll drum is mounted with multiple blades, the two roll drums run oppositely with different rotation speed, and diameter of the low-speed roll drum is more than that of the high-speed roll drum. The crusher can crushing materials with intermediate hardness, specially for clay materials.

Description

Double-roll crusher

Technical field

The present invention relates to a kind of kibbler roll, particularly relate to a kind of double-roll crusher of suitable broken clay class material.

Background technology

Kibbler roll can be divided into single roller, two roller and multiple roll crusher by the roller quantity difference that adopts.The frictional force of utilizing roll surface is the material fracture area of nipping, and makes material bear extruding or splitting and is broken.Be applicable to medium-hard material, as coarse crushings such as ore, rock, in operation broken or in small, broken bits.

Existing double-roll crusher adopts two smooth rolls or double teeth roller structure.The speed of two rollers is identical, and roller diameter equates, drives two rollers by motor through V belt and does the relative direction rotation, finishes the material fragmentation.If adopt the disintegrating machine of this structure; when broken clay or frozen soil class material; material is extruded because of the extruding moisture that is subjected to roller; material regular meeting adheres to the surface of roller; need constantly remove the material that adheres on the roller with scraper plate; have a strong impact on crushing efficiency, otherwise crushing operation can't be carried out.

Summary of the invention

The technical problem that the present invention solves provides a kind of double-roll crusher, and it not only can broken medium-hard material, especially is fit to broken clay class material, prevents that effectively material from adhering to the surface of roller.

For solving the problems of the technologies described above, double-roll crusher of the present invention comprises frame, base, roll shaft, roller, running part, and wherein said roll shaft is two on high speed roll shaft and a low speed roll shaft, the high speed roll shaft is fixed on the frame, and the low speed roll shaft is installed on the rack slide; Be separately installed with roller on these two roll shafts, the low speed roller is a smooth roll, is equipped with many blade on the high speed roller; Two rollers relatively rotate with different rotating speeds; Described low speed roller diameter is greater than the high speed roller diameter.

The rotating ratio of described two roll shafts is: 1: 10～1: 12, the diameter ratio of described two rollers was: 1: 1.5～1: 2, the knife number of installing on the described high speed roller can be: 8～12.

Because adopt said structure, two rollers relatively rotate with different rotating speeds, form crusher chamber, rely on two rollers rotate relatively generation extruding, tear with shear action and come broken material.Enter when material after the crusher chamber of machine, be subjected to the engagement force feeding of low speed roller and the shear action of high speed roller, be fractured into fragment and pass through between two rollers, adhere to roller surface when effectively avoiding broken clay class material, crushing efficiency is obviously improved.

Description of drawings

Fig. 1 is a double-roll crusher structural representation of the present invention;

Fig. 2 is the cutaway view of high speed roller of the present invention and roll shaft structure;

Fig. 3 is the cutaway view of low speed roller of the present invention and roll shaft structure.

The specific embodiment

As shown in Figure 1, double-roll crusher of the present invention comprises base, frame, roll shaft, roller, running part.This base 1 is a rectangular body that is welded into I-steel; Frame 2 is the housings that are welded into by steel plate, and this frame 2 is fixed by bolts to the middle part of base 1, and frame 2 relative two sides form slideway 3 with upper and lower being symmetrically welded of steel plate.

Described roll shaft is divided into high speed roll shaft 4 and low speed roll shaft 5.The rotating ratio of two roll shafts is 1: 10～1: 12.Referring to shown in Figure 2, high speed roll shaft 4 is a long multidiameter, and the middle part of stating roll shaft 4 at this height is provided with keyway 16.Near a side of this keyway 16, be provided with round boss 17 along the circumference of high speed roll shaft 4.Relative with this boss 17, at the opposite side of axle 4, be provided with one section screw thread near the position of being good for groove 16.The both sides of this high speed roll shaft 4 are equipped with bearing 18, and this bearing 18 can adopt double row cylindrical roller bearing, is fixed on the frame 2 by bearing block 19.End at high speed roll shaft 4 also is provided with belt pulley 20.Also be long multidiameter referring again to Fig. 3 low speed roll shaft 5, be provided with keyway 21 in the middle part of this low speed roll shaft 5, be positioned near the both sides of this keyway 21, be provided with one section screw thread separately.The both sides of this low speed roll shaft 5 are equipped with bearing 22, and this bearing 22 can adopt double row cylindrical roller bearing, are installed on the rack slide 3 by bearing block 23, and spring 6 is equipped with at its rear portion, can guarantee that roller has enough crushing forces when work.End at low speed roll shaft 5 also is provided with belt pulley 24.

Be separately installed with roller on two roll shafts.Wherein, low speed roller 7 is the smooth roll tube, casts with potassium steel to process from strand.The relative both sides of low speed roller 7 inwalls correspondence is provided with round platform 25, is provided with sipes 26 in this inwall middle part.Position between sipes 26 and round platform 25 forms taper seat wide outside and narrow inside 27.Wheel hub 14 and sector disk 15 (showing as Fig. 3) are installed in this low speed roller 7.Described wheel hub 14 is made up of wheel shaft 30, big trochal disc 31, small trochal disc 32.Large and small wheel disc 31,32 side end faces are taper seat, and suitable with the taper seat 27 of low speed roller 7 inwalls.Big trochal disc 31 is along the even a plurality of round open-works 33 that distribute of card.Be provided with the axis hole 28 that matches with low speed roll shaft 5 in the middle of this wheel hub 14 end faces, and a side of this axis hole 28 be provided with low speed roll shaft 5 on the keyway that matches of keyway 21.The middle part that is positioned at this axis hole 28 also is provided with sipes 29.Described sector disk 15 is a disc, in the middle of it is and the suitable conical bore of described small trochal disc 32 side taper seats, also is provided with a plurality of on the card and big trochal disc 31 circle open-works 33 corresponding round open-works 34.Pass round open-work 33 on the big trochal disc 31 and the round open-work 34 on the sector disk 15 with bolt 35, two ends are installed together low speed roller 7, wheel hub 14, sector disk 15 with nut.The axis hole 28 that low speed roll shaft 5 passes wheel hub 14 links together the two by key, and two ends are with round nut 37 locking, and can be in axial trim locations, so as with high speed roll shaft complete matching, low speed roller 7 is fixed on the low speed roll shaft 5.

High speed roller 8 is a cylindrical shape, and these roller 8 inwall two side ends correspondence respectively are provided with round platform 38, at the even a plurality of round open-works 39 that distribute of these round platform 38 sidewall peripheries.Be provided with the axis holes 40 that match with high speed roll shaft 4 in the middle of the roller 8 both sides round platforms 38, a side of this axis hole 40 be provided with described high speed roll shaft 4 on the keyway that matches of keyway 16.The centre position that is positioned at this axis hole 40 is provided with groove 41.Described high speed roll shaft 4 passes the axis hole 40 of this roller 8, and the round platform 38 of roller 8 one ends is leaned on the round boss 17 of this roll shaft 4, by key the two is linked together.The other end at roll shaft 4 is locked at described roller 8 on the roll shaft 4 with round nut 43.

Be equipped with manyly on the high speed roller 8, form the high speed rotary cutting blade 9.Described blade 9 is a strip, and its length is corresponding with the axial length of this roller 8, and the side end face is shaped as trapezoidal; The bottom face of this blade 9 is provided with two bolts 42, and the round open-work 39 that these two bolts 42 pass on the high speed roller 8 is used nut check, and blade 9 is installed on the described roller 8.The knife number of installing on the described high speed roller 8 can be: 8～12.

Low speed roller 7 by motor 10 through 11 transmissions of cycloidal-pin wheel decelerator.High speed roller 8 through belt transmission, makes two rollers relatively rotate with different rotating speeds by motor 12, forms crusher chamber.Gap length between two rollers, the size of decision material discharging-material size, enter the crusher chamber of machine when material after, be subjected to the engagement force feeding of low speed roller 7 and the shear action of high speed roller 8, be fractured into fragment and discharge from underpart.

The diameter of low speed roller 7 is greater than the diameter of high speed roller 8.The diameter ratio of two rollers is: 1: 1.5～1: 2.Roller partly with case 13 protection, prevents that material from entering the transmission position.

Claims

1. double-roll crusher, comprise frame, base, roll shaft, roller, running part, it is characterized in that: described roll shaft is two on high speed roll shaft and a low speed roll shaft, the high speed roll shaft is fixed on the frame, and the low speed roll shaft is installed on the rack slide, is separately installed with roller on two roll shafts, the low speed roller is a smooth roll, be equipped with manyly blade on the high speed roller, two rollers relatively rotate with different rotating speeds, and described low speed roller diameter is greater than the high speed roller diameter.

2. double-roll crusher as claimed in claim 1 is characterized in that: the ratio of described two roller diameters is: 1: 1.5～1: 2.

3. double-roll crusher as claimed in claim 1 or 2 is characterized in that: the rotating ratio of described two roll shafts is: 1: 10～1: 12.

4. double-roll crusher as claimed in claim 1 or 2 is characterized in that: described knife number can be: 8～12.

5. double-roll crusher as claimed in claim 3 is characterized in that: described knife number can be: 8～12.