CN2650869Y

CN2650869Y - Powerful multi-roller crusher

Info

Publication number: CN2650869Y
Application number: CN 03265653
Authority: CN
Inventors: 刘光天; 侯建新
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-06-12
Filing date: 2003-06-12
Publication date: 2004-10-27
Anticipated expiration: 2013-06-12

Abstract

The utility model discloses a powerful multi-roller fine crusher, which comprises a chassis and at least two sets of drive rollers and driven rollers on the chassis, wherein, a lever pressure regulating mechanism is arranged between the bearing seat for driven rollers and the bracket in radial direction of the bearing seat; a material dispenser is arranged above adjacent drive rollers. The fine crusher has advantages such as high crushing efficiency, wide rolling force regulation range, and low abrasion to roller surface, and is an ideal apparatus for crushing ore and hard materials.

Description

Powerful multiple roll fine crusher

Technical field

The utility model belongs to a kind of fine crusher that is used for ore and harder objuct material.Mainly be that existing light has been done improvement in the face of roller is in small, broken bits.

Background technology

At present, be used for the equipment in small, broken bits of ore and some harder objuct material, all adopt two light to be set on the frame in the face of roller, be connected with drive roll by drive motors, the axle head of driven roll is equipped with compression spring, utilizes compression spring to act on two rollers and compression fit, is provided with hopper on the top of its two pair roller.Light in this structure fine crusher mainly is directly to compress two rollers by spring in the face of the roller fit clearance, and thrust equals spring force.Therefore, when needing very high pressure, and the spring wire footpath is very thick, and the size of spring is very big, so cause the pressure adjusting range little, makes and adjusts difficulty; On the other hand, a fine crusher equipment is only installed one group of pair roller, and separate unit yields poorly.Improving output just needs the configuration multiple devices, and floor space is big, disposes certain difficulty; In addition, the plain roller draw ratio of existing use is less than 1.What it was mainly considered is the ratio of reduction, and broken area is relatively little, is used for yielding poorly when piece material is in small, broken bits.Also because during the hopper blanking that adopts, too concentrated, skewness causes roll surface wear, makes equipment produce bigger vibration.

The utility model content

The purpose of this utility model is for solving the problem that above-mentioned technology exists, and a kind of powerful multiple roll fine crusher is provided, and makes it have the single machine yield height, reduces roll surface wearing, is easy to the result of use that pair roller is regulated.

For achieving the above object, want the technical solution of utility model to finish like this: a kind of powerful multiple roll fine crusher, it is that two groups of above master, driven rolls are set on the frame at least, make driven roll wherein bearing block radially and be provided with the lever pressure regulating mechanism between the support; The adjacent drive roll top that is arranged in multiple roll is provided with the feed distributor.

The technical program also comprises:

Described lever pressure regulating mechanism is to be provided with a hinged point by frame, and lever is housed on it, by axostylus axostyle one spring is installed by the lower end of lever, and the bent sting that its upper end has constitutes.

Described feed distributor is that its lower end is arranged with the distributing trough that is the vertex of a cone by lead-over groove by the smooth groove of the inclination that has charging aperture, constitutes at the little device that shakes of the smooth groove outer bottom device that tilts.

By on the two adjacent drive rolls drive motors being set respectively, also the separate unit drive motors can be set, make symmetry installation meshed transmission gear on the two adjacent drive rolls.

The length of described master, driven roll should be greater than the diameter of roller.

The characteristics that the utlity model has are:

1, this version is to have adopted unit to organize pair roller more, can improve the broken output of single device.And changed the length of pair roller, reduced concentrating and wearing and tearing of roll surface crushing force.

2, adopted improved lever pressure regulating mechanism, made it act on the lever of the lever of driven voller one end less than spring one end, the existing use spring force of the pressure ratio that driven voller obtained is several times greatly, thereby obtain stronger crushing force.And employed spring needn't make very thickly, and the pressure adjusting range is than broad, and is easy to adjust.

3, increased the feed distributor, distributed inequality, reduced the vibrative problem of equipment that wearing and tearing cause thereby solved the material on the pair roller.

4, this multiple roll has adopted gear drive, and two adjacent drive rolls can be driven by a drive motors, has reduced manufacturing cost.

Description of drawings

Fig. 1 is the structural representation of powerful multiple roll fine crusher.

Another example structure of Fig. 2 Fig. 1 drive roll transmission mechanism.

The specific embodiment

Below in conjunction with accompanying drawing embodiment, to this novel being further described.

Powerful multiple roll fine crusher by shown in Figure 1 comprises a frame 16, and two groups of drive rolls 5 of parallel installation and driven roll 6 on it utilize two drive rolls, one side shaft end to be connected with two drive motors 11 by driving belt.The bearing block 8 at two driven rolls, 6 two ends is installed in the gathering sill 7.By gathering sill 7 wherein an end be provided with the adjusting screw mandrel 15 that is used to regulate two roller gaps.Wherein establish one on the other end and have bearing block 8 that the pendulum lever 9 that is 90 ° of bent stings acts on driven roll 6 radially, by hinged with hinged point 10, the lower end of lever 9, with installation one axostylus axostyle 12 on its position of 90 °, one end of axostylus axostyle 12 is fixed on the support 14, by the lever pressure regulating mechanism that compression spring 13 is formed is housed between support 14 and the lever 9.Thereby make its driven roll 6 can be along left and right displacement in the gathering sill 7.This design is that utilization is shorter than the arm of force that is positioned at spring 13 1 ends near the thick stick phase arm of force of bearing block 8 one ends, so the pressure that driven voller 6 is obtained can improve, has both increased crushing force.Even for guaranteeing feed, and be provided with the feed distributor on the top of two drive rolls 5.This feed distributor is that its upper end is a feed hopper by the smooth groove 1 of an inclination, and its lower end is communicated with a lead-over groove 3.And the bilateral symmetry that is positioned at lead-over groove 3 is provided with distributing trough 4 formations that are the vertex of a cone.Wherein the outlet of distributing trough 4 is positioned at asking of two groups of drive rolls 5 and driven roll 6, and the material that can evenly distribute enters in every group of pair roller gap, makes material obtain fragmentation.Fully take into account the discharge that is evenly distributed of material in the feed distributor, and little device 2 that shakes is set at the back that is positioned at smooth groove 1 outside.By the effect of little device 2 that shakes, can guarantee that the material in the feed distributor is distributed to the equal and fluency of every group of pair roller material even amount.Above-mentioned little device 2 that shakes can be selected vibrating motor or electromagnetic vibrator for use.The bottom that is positioned at two groups of pair rollers can be provided with receiving hopper 18 and conveyer 17.Because what adopt is the broken form of multiple roll, the crushing efficiency height freely falls broken material, enters receiving hopper 18 and concentrates, and by output machine 17 material is discharged to concentrate and stacks.This output machine 17 is the forms that adopt belt conveyor.

The above-mentioned drive roll 5 and the draw ratio of driven roll 6 should be greater than 1, and promptly the length of roller should be greater than the diameter of roller.Design can guarantee that material is evenly distributed along the long degree of roller on the one hand like this, avoids concentrated, causes the uneven wear of roll surface; On the other hand, can improve broken output on the whole.

Above-mentioned drive unit is to have selected two drive motors 11 for use, is connected with drive roll 5 respectively.

Above-mentioned structure is to have selected two groups of pair rollers for use, can be designed to master, driven roll more than at least two groups according to need.

Fig. 2 has provided another embodiment of drive roll transmission mechanism, and it is to have done corresponding change on above-mentioned integrally-built basis.It is that a end at two adjacent drive rolls 5 is equipped with a pair of synchromesh gear 19 engagements.Making wherein, the other end of a drive roll 5 connects drive motors 11 by belt.Can drive a drive roll 5 by a drive motors 11 like this, and drive adjacent drive roll rotation, can reduce by a drive motors, reduce production cost by the gear on it and its engagement.

Feed distributor, lever pressure regulating mechanism and gear transmission mode related in above-mentioned can be applied on the fine crusher of arranged vertical pair roller version, all can finish this novel purpose.

Claims

1, a kind of powerful multiple roll fine crusher, comprise the pair roller that is provided with on the frame, making wherein, a drive roll connects drive motors, by adjusting device is housed on the driven roll, it is characterized in that on described frame (16), being provided with at least master, driven roll (5,6) more than two groups, make driven roll (6) wherein bearing block (8) radially and between the support (14) be provided with the lever pressure regulating mechanism; Be positioned at the adjacent drive roll of multiple roll (5) top the feed distributor is set.

2, by the described powerful multiple roll fine crusher of claim 1, it is characterized in that described lever pressure regulating mechanism is to be provided with a hinged point (10) by frame (16), lever (9) is housed on it, by axostylus axostyle one spring (13) is installed by the lower end of lever (9), the bent sting that its upper end has constitutes.

3,, it is characterized in that described feed distributor is to be made of the little device that shakes of back device (2) of the smooth groove of the inclination that has charging aperture (1) on it by the described powerful multiple roll fine crusher of claim 1.

4, by the described powerful multiple roll fine crusher of claim 1, it is characterized in that it by on adjacent two drive rolls (5) drive motors (11) being set respectively, separate unit drive motors (11) also can be set make two adjacent drive rolls (5) go up symmetry installation gear (19) engaged transmission.

5, by the described powerful multiple roll fine crusher of claim 1, it is characterized in that the length of described master, driven roll (5,6) should be greater than the diameter of roller.