CN203494599U

CN203494599U - Impact crusher

Info

Publication number: CN203494599U
Application number: CN201320546515.2U
Authority: CN
Inventors: 方庆熙; 贺谷隆人; 陈俊龙; 汤明; 李建生; 陈闽; 丁华鹏
Original assignee: Fujian South Highway Machinery Co Ltd
Current assignee: Fujian South Highway Machinery Co Ltd
Priority date: 2013-09-04
Filing date: 2013-09-04
Publication date: 2014-03-26
Anticipated expiration: 2023-09-04

Abstract

The utility model relates to an impact crusher, comprising a feeding channel, a crushing cavity, a discharge channel, a rotor, a feeding device, a spiral airflow forming device, a dust discharge device and a dust separator, wherein the rotor is rotatably arranged inside the crushing cavity; the feeding device is arranged in the feeding channel in a sheathing manner and communicated with the rotor; a dust recovery channel is formed between the feeding device and the inner wall of the feeding channel; the spiral airflow forming device is applied inside the dust recovery channel and used for forming an airflow raising in a spiral manner; the dust raised by ascending airflow is discharged from the dust recovery channel through the dust discharge device; the dust separator is used for separating large-granule dust from the small-granule dust in the ascending dust. The impact crusher achieves control on the dust removal effect and the powder content of fractured sandstone by adjusting one or more of the feeding device, the spiral airflow forming device, the dust discharge device and the dust separator. Finally, regulation and control of the fineness modulus of the gravels are achieved.

Description

A kind of impact crusher

Technical field

The present invention relates to engineering mechanical device technical field, be specifically related to a kind of impact crusher.

Background technology

Impact crusher is widely used in sandstone production line, metallurgical, colliery, ore dressing, the industries such as building materials, impact type is broken by the principle of " stone-crash-stone ", allowing stone accelerate to throw away with process rotor the stone coming in natural dropping process collides mutually, thereby reach broken object, and the accelerated stone throwing away with naturally fall stone collision time form an eddy current, in return course, carry out again twice fragmentation, few to wear and tear in machines in running, a kind of efficient, energy-conservation rubble sand equipment processed, than tradition sand machine energy-conservation 50% processed, current advanced person's sand equipment processed in the world.The sandstone powder containing quantity that crusher in crushing produces is different, and the powder containing quantity of most of sandstone is between 10%-20%.Modulus of fineness is the key factor that affects sand grating, dust in sandstone can affect the modulus of fineness (the modulus of fineness scope of regular concrete sand is between 1.6-3.7) of sandstone, in order to obtain the sand of different fineness modulus, need further carry out sieve classification to the broken sand of disintegrating machine, general method for sieving has Vibration Screen point-score and air sieve sieve method.Adopt Vibration Screen point-score cost lower, but the easy stifled screen cloth of a large amount of dust that contain in the broken sandstone of disintegrating machine, screening efficiency is low; In order to guarantee final sandstone output, will increase screen cloth width, so that cost increase, another kind of method for sieving is to adopt the screening of air sieve, this screening efficiency is high, but equipment price is expensive, production cost is high.

For addressing the above problem, this case applicant has proposed a kind of Chinese patent application (application number: 201210262192.4) of impact crusher of capable of regulating sandstone modulus of fineness, this kind of regulation and control that disintegrating machine can be realized sandstone modulus of fineness by the intake in adjusting crusher chamber and air inducing amount, but this kind of disintegrating machine also can further improve and optimizate.

Summary of the invention

In order to overcome the deficiency of existing disintegrating machine, the invention provides a kind of can multiple spot adjusting realize the controlled impact crusher of sandstone modulus of fineness.

For achieving the above object, the invention provides a kind of impact crusher of capable of regulating sandstone modulus of fineness, impact crusher comprises feeding-passage, crusher chamber, tapping channel, the rotatable rotor arranging in crusher chamber, it is characterized in that: also comprise feed arrangement, the air-flow that spirals forms device, dust discharger and powder dust separating device;

Described feed arrangement be sheathed in feeding-passage and be communicated with rotor and feed arrangement and feeding-passage inwall between form dust recovery approach;

The described air-flow that spirals forms device and is arranged at dust recovery approach lower end, described in the air-flow that spirals form device and be arranged at dust recovery approach lower end, for making the rising of spiraling of air-flow in dust recovery approach;

Described dust discharger is arranged at dust recovery approach upper end, and the dust of being kicked up by ascending air is discharged in dust recovery approach by dust discharger;

Described powder dust separating device is arranged in crusher chamber top and/or dust recovery approach, for the big dust particle of rising dust and granule dust are separated.

Further, feed arrangement comprises upper channel, center-aisle and lower channel, leaves the gap of 40-60mm between upper channel and lower channel, and center-aisle is connected on upper channel or lower channel and can moves up and down to regulate gap length.

Further, group rotating vanes and securing member, fixed beam more than the air-flow that spirals formation device comprises, rotating vane is installed on fixed beam and can be regulated its angle on fixed beam by securing member by securing member, and fixed beam is connected in dust recovery approach and many group fixed beams are radially evenly arranged along dust recovery approach.

Further, dust discharger comprises blower fan, air inducing pipeline and air quantity adjusting mechanism, and blower fan is communicated with dust recovery approach by air inducing pipeline, and air quantity adjusting mechanism is arranged in air inducing pipeline.

Further, be also provided with cleaner on dust discharger, this cleaner is connected between blower fan and air inducing pipeline.

Further, powder dust separating device comprises for stopping that big dust particle enters many groups backgauge blade and the connecting rod in dust recovery approach, described backgauge blades installation on connecting rod and can be on connecting rod adjusting angle, connecting rod is fixed on crusher chamber end face and many group connecting rods are radially evenly arranged along dust recovery approach.

Further, powder dust separating device comprises the big dust particle baffle plate for stopping that big dust particle rises, this big dust particle baffle plate is arranged at and reclaims in dust passage, and one side is connected with feeding-passage inwall, leave the gap that confession granule dust passes through between opposite side and feed arrangement outer wall.

Further, on tapping channel, have at least one air inlet, in this air inlet, be provided with for regulating the air door of air inlet aperture area.

From the above-mentioned description of this invention, compared with prior art, impact crusher provided by the invention can be effectively by feeding-passage, crusher chamber is carried out separated with the dust granules in tapping channel, reclaim, and in disintegrating machine, be provided with feed arrangement, the air-flow that spirals forms device, dust discharger, a plurality of point of adjustment such as powder dust separating device are controlled the separating effect of bulky grain and granule dust, realize the control of gumming effect and broken sandstone powder containing quantity, while stopping the sandstone process vibratory sieve after crusher in crushing, stop up mesh, finally realizing sandstone modulus of fineness can regulate and control.

Accompanying drawing explanation

Fig. 1 is the structural representation of specific embodiment of the invention impact crusher.

Fig. 2 is the structural representation of specific embodiment of the invention impact crusher feed arrangement.

Fig. 3 is that the specific embodiment of the invention impact crusher air-flow that spirals forms the structural representation of device.

Fig. 4 is the structural representation of specific embodiment of the invention impact crusher powder dust separating device.

Fig. 5 is the top view of specific embodiment of the invention impact crusher dust feeding-passage.

Fig. 6 is the work schematic diagram of specific embodiment of the invention impact crusher.

The specific embodiment

Below by the specific embodiment, the invention will be further described.

Shown in Fig. 6, a kind of impact crusher, comprises feeding-passage 1, crusher chamber 2, tapping channel 3, rotor 4, and feed arrangement 5, the air-flow that spirals form device 6, dust discharger 7 and powder dust separating device 8; Rotor 4 is rotatable to be arranged in crusher chamber 2, feed arrangement 5 be sheathed in feeding-passage 1 and be communicated with rotor 4 and feed arrangement 5 and feeding-passage 1 inwall between form dust recovery approach 9, the air-flow that spirals forms device 6 and is arranged at dust recovery approach 9 lower ends, for reclaiming in logical 9 roads and form the air-flow that spirals and rise at dust, dust discharger 7 is arranged at dust recovery approach 9 upper ends, and the dust of being kicked up by ascending air passes through dust discharger 7 from the interior discharge of dust recovery approach 9; Powder dust separating device 8 is arranged in crusher chamber 2 tops and dust recovery approach 9, for stopping the big dust particle of rising dust.

Feed arrangement 5 comprises upper channel 51, center-aisle 52 and

lower channel

53,53 gaps of leaving 40-60mm of upper channel 51 and lower channel, center-aisle 52 sheathed with upper channel 51 or lower channel 53 on and can move up and down to regulate gap length;

The air-flow that spirals forms device 6 and comprises 4-16 group rotating vane 61 and securing member 62, fixed beam 63, rotating vane 61 is arc or bending part, it is installed on fixed beam 63 by securing member 62, rotating vane 61 can regulate its 360 ° of anglecs of rotation on fixed beam 63 by securing member 62, and fixed beam 63 is welded in dust recovery approach 9 and many group fixed beams 63 are radially evenly arranged along dust recovery approach 9;

Dust discharger 7 comprises blower fan 71, air inducing pipeline 72, air quantity adjusting mechanism 73 and cleaner 74, air inducing pipeline 72 be provided with 1-4 root and along dust recovery approach 9 be radially uniformly distributed and air inducing pipeline 72 tangent with feed arrangement 5 radial circumferences, air quantity adjusting mechanism 73 is for being arranged on the air door of adjustable openings area in air inducing pipeline, blower fan 71 is communicated with dust recovery approach 9 by air inducing pipeline 72, and cleaner 74 is connected between blower fan 71 and air inducing pipeline 72;

Powder dust separating device 8 comprises many group backgauge blades 81 and connecting rod 82 and big dust particle baffle plate 83, backgauge blade 81 and connecting rod 82 are arranged in crusher chamber 2 for stopping that big dust particle enters dust recovery approach 9, backgauge blade 81 be installed on connecting rod 82 and can be on connecting rod 82 360 ° of adjusting angles, connecting rod 82 is fixed on crusher chamber 2 end faces and many group connecting rods 82 are radially evenly arranged along dust recovery approach 9;

Big dust particle baffle plate 83 is arranged in dust recovery approach 9 and adjustable its height in dust recovery approach 9, and big dust particle baffle plate 83 1 sides are connected with feeding-passage 1 inwall, opposite side and feed arrangement 5 outer walls leave the gap 831 that confession granule dust passes through;

Tapping channel 3 is provided with 1-3 air inlet 31 and air door 32, and air door 32 is arranged at air inlet 31 places, for regulating the size of air inlet 31 aperture areas.

Workflow referring to figs. 1 through the impact crusher shown in Fig. 6 is as follows:

Building stones 100 are dropped into feed arrangement 5 by feeding-passage 1;

Rotor 4 High Rotation Speeds, in feed arrangement 5, produce negative pressure, building stones 100 are affected by gravity and negative pressure, enter rotor 4 and can be toward the charging aperture of feeding-passage 1 dust of emerging, building stones are subject to the effect of rotor 4 centrifugal force, be thrown out of rotor 4 and enter crusher chamber 2 and has clashed into fragmentation with the material lining 21 in crusher chamber 2, because the High Rotation Speed of rotor 4 makes the interior formation rotary wind of crusher chamber 2, rotary wind with in raw material and the dust of generation when broken in crusher chamber 2, rotate;

Dust discharger 7 makes to produce negative pressure in dust recovery approach 9, crusher chamber 2, at the air-flow that spirals, form under the effect of device 6 simultaneously, the air-flow that spirals and rise in the interior formation of dust recovery approach 9, dust in crusher chamber 2 screws on liter at the drive lower wall of ascending air, air inducing pipeline 72 is tangent with feed arrangement 5 radial circumferences, consistent with the flow rotation direction of the upper body that spirals, strengthen the wind-force intensity in dust recovery approach 9;

The backgauge blade 81 of powder dust separating device 8 by under the big dust particle crotch in crusher chamber 2, granule dust from the gap of backgauge blade 81 by and enter in dust recovery approach 9, the inwall that dust is close to feeding-passage 1 rising of spiraling, big dust particle baffle plate 83 is again by under the big dust particle crotch in rising dust, and granule dust is walked around the 83 continuation risings of big dust particle baffle plate;

After the granule dust that continues to rise enters cleaner 74 dust removal process by air inducing pipeline 72, discharge, by air quantity adjusting mechanism 73, regulate wind-force;

Tapping channel 3 surroundings have air inlet 31, and outside air can enter and in tapping channel 3, forms ascending air and move upward and return to crusher chamber 2 with the dust in finished product material, by air door 32, regulates the openings of sizes of air inlets 31 to control intake.

Before this equipment work first to feed arrangement 5, the air-flow that spirals forms device 6, dust discharger 7, one or more devices in powder dust separating device 8 and air door 32 regulate, the concrete gap that regulates upper channel 51 and lower channel 53 in feed arrangement 5 that comprises, the air-flow that spirals forms quantity and the angle of rotating vane 61 in device 6, dust discharger 7 draw air force, the height and position of the angle of powder dust separating device 8 backgauge blades 81 and quantity and big dust particle baffle plate 83, the intake size of tapping channel 3, thereby reach the control of gumming effect and broken sandstone powder containing quantity, while stopping the sandstone process vibratory sieve after crusher in crushing, stop up mesh, finally realizing sandstone modulus of fineness can regulate and control.

Above are only a specific embodiment of the present invention, but design concept of the present invention is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should belong to the behavior of invading protection domain of the present invention.

Claims

1. an impact crusher, comprises feeding-passage, crusher chamber, tapping channel, the rotatable rotor arranging in crusher chamber, it is characterized in that: also comprise feed arrangement, the air-flow that spirals forms device, dust discharger and powder dust separating device;

The described air-flow that spirals forms device and is arranged at dust recovery approach lower end, for making the rising of spiraling of air-flow in dust recovery approach;

2. impact crusher according to claim 1, it is characterized in that: described feed arrangement comprises upper channel, center-aisle and lower channel, between upper channel and lower channel, leave the gap of 40-60mm, center-aisle is connected on upper channel or lower channel and can moves up and down to regulate gap length.

3. impact crusher according to claim 1, it is characterized in that: described in the air-flow that spirals form device and comprise many group rotating vanes and securing member, fixed beam, rotating vane is installed on fixed beam and can be regulated its angle on fixed beam by securing member by securing member, and fixed beam is connected in dust recovery approach and many group fixed beams are radially evenly arranged along dust recovery approach.

4. impact crusher according to claim 1, it is characterized in that: described dust discharger comprises blower fan, air inducing pipeline and air quantity adjusting mechanism, blower fan is communicated with dust recovery approach by air inducing pipeline, and air quantity adjusting mechanism is arranged in air inducing pipeline.

5. impact crusher according to claim 4, is characterized in that: on described dust discharger, be also provided with cleaner, this cleaner is connected between blower fan and air inducing pipeline.

6. impact crusher according to claim 1, it is characterized in that: described powder dust separating device comprises for stopping that big dust particle enters many groups backgauge blade and the connecting rod in dust recovery approach, described backgauge blades installation on connecting rod and can be on connecting rod adjusting angle, connecting rod is fixed on crusher chamber end face and many group connecting rods are radially evenly arranged along dust recovery approach.

7. according to the impact crusher described in claim 1 or 6, it is characterized in that: described powder dust separating device comprises the big dust particle baffle plate for stopping that big dust particle rises, this big dust particle baffle plate is arranged at and reclaims in dust passage, and one side is connected with feeding-passage inwall, leave the gap that confession granule dust passes through between opposite side and feed arrangement outer wall.

8. impact crusher according to claim 1, is characterized in that: on described tapping channel, have at least one air inlet, be provided with for regulating the air door of air inlet aperture area in this air inlet.