CN2780317Y - Biroller crusher - Google Patents

Abstract

The utility model relates to a double roller crusher which comprises a machine frame, roll shafts and a transmission part, wherein a slide track is formed on two corresponding sides of the machine frame by symmetry welding of steel plates from top to bottom. The roll shaft is divided into a fixed mill roll and a move mill roll, the fixed mill roll is fixed on the machine frame by a screw bolt and the move mill roll is arranged on the slide track. A pair of corresponding automobile tires are arranged on the ends of the two roll shafts. Dynamic force is transferred between the roll shafts of the utility model by the automobile tires, and the adjusting of material discharging granularity and the roller torque is realized by the adjusting of the inflation quantity of tires. The utility model is used in industrial departments, such as mineral concentration, building materials of cement, etc. and used for crushing various minerals and rocks which are below medium hardness.

Description

Double-roll crusher

Technical field

The utility model relates to a kind of kibbler roll, particularly a kind of industrial departments such as construction material such as ore dressing, cement that are used for, ore and rock that broken various medium hardness are following.

Background technology

At present, be used for the double-roll crusher of broken material, two breaker rolls that driven by dead axle are installed in body side by side, two breaker rolls rotate in opposite directions, and the material between two breaker rolls is carried out attrition crushing, when needing big roller torque, the speed changer volume is bigger, the adjustment inconvenience of roller torque.

The utility model content

The purpose of this utility model is the above-mentioned deficiency at prior art, proposes a kind of roller torque and adjusts double-roll crusher simple to operate.

To achieve these goals, the double-roll crusher that the utility model provides comprises frame, roll shaft and running part, and the relative two sides of frame are with the upper and lower formation slideway that is symmetrically welded of steel plate; This roll shaft divides stationary roll and mobile roll, and stationary roll is fixed by bolts on the frame, and mobile roll is installed on the slideway, and two roll shaft ends are provided with a pair of corresponding doughnut.

With respect to the double-roll crusher of prior art, the utility model utilizes that a pair of roller rotates generation relatively crowded roll and the power of grinding scissors is come broken material.Enter when material after the crusher chamber of machine, material is subjected to rotating the power of the nibbling effect of roller, material is forced through between two rollers, crowded the rolling that is subjected to roll shaft simultaneously cut mill, material promptly begins cracked, granule after cracked, is dished out to the machine below by the gap of two rollers along the tangential direction of roller rotation.The large granular materials that surpasses the gap is discharged after continuing to be fractured into granule.By the doughnut transferring power, realize the adjustment of discharging-material size and roller torque thereof by the aeration quantity of adjusting tire between the roll shaft of the present utility model.

Description of drawings

Fig. 1 is the structural representation of the utility model double-roll crusher;

Fig. 2 is the vertical view of Fig. 1.

Wherein, 1 is base; 2 is cover body; 3 is slideway; 4 is stationary roll; 5 is mobile roll; 6 is spring; 7 is belt pulley; 8 is case; 9 is motor; 10 is power transmission shaft; 11,12 is tire.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further described.

As depicted in figs. 1 and 2, the double-roll crusher that the utility model one preferred embodiment provides comprises base 1, frame, cover body 2, roll shaft and running part, and base 1 is a rectangular support body that is welded into steel plate; Frame is the housing that is welded into by steel plate, and cover body 2 is fixed by bolts to the middle part of base 1, and base 1 relative both sides form slideway 3 with upper and lower being symmetrically welded of steel plate; Two roll shaft ends are provided with a pair of corresponding doughnut.Roll shaft divides stationary roll 4 and mobile roll 5, and stationary roll 4 is fixed by bolts on the frame, and mobile roll 5 is installed on the slideway 3, and spring 6 is equipped with at the rear portion, can guarantee that roll has enough crushing forces when work.The gap length of two groups of rolls, the size of decision material discharging-material size, the wheel sieve on the roll is cast with high manganese steel material and is formed, and the wheel sieve is fixed on the axle with the hub and the sector disk that have tapering, and the two ends roller bearings makes roll rotation flexible.The gap adjustment reaches by the bolt of adjusting between two groups of bearings.During work, motor 9 drive V belts 7 are taken turns through power transmission shaft 10 and tire 11,12 two roll shafts are relatively rotated with identical rotating speed, form crusher chamber, carry out fragmentation, discharge from underpart after the material fragmentation.

All running parts of the present utility model all with case 8 protections, prevent that material from entering the transmission position.

Claims (2)

1, a kind of double-roll crusher, comprise frame, roll shaft and running part, the relative two sides of frame are with the upper and lower formation slideway that is symmetrically welded of steel plate, it is characterized in that this roll shaft branch stationary roll and mobile roll, stationary roll is fixed by bolts on the frame, mobile roll is installed on the slideway, and two roll shaft ends are provided with a pair of corresponding doughnut.

2, double-roll crusher according to claim 1 is characterized in that mobile roll rear portion is equipped with spring.

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