CN113477331A - Two-way reversible fine crusher convenient for adjusting particle size of crushed material - Google Patents
Two-way reversible fine crusher convenient for adjusting particle size of crushed material Download PDFInfo
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- CN113477331A CN113477331A CN202110808887.7A CN202110808887A CN113477331A CN 113477331 A CN113477331 A CN 113477331A CN 202110808887 A CN202110808887 A CN 202110808887A CN 113477331 A CN113477331 A CN 113477331A
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- crushing plate
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- 239000000463 material Substances 0.000 title claims abstract description 52
- 239000002245 particle Substances 0.000 title claims abstract description 18
- 230000002441 reversible effect Effects 0.000 title claims abstract description 11
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 9
- 125000006850 spacer group Chemical group 0.000 claims description 24
- 230000000149 penetrating effect Effects 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 abstract description 3
- 239000003245 coal Substances 0.000 description 17
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 241000251131 Sphyrna Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/02—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
- B02C13/06—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft with beaters rigidly connected to the rotor
- B02C13/09—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft with beaters rigidly connected to the rotor and throwing the material against an anvil or impact plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/282—Shape or inner surface of mill-housings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
- B02C2013/2808—Shape or construction of beater elements the beater elements are attached to disks mounted on a shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/282—Shape or inner surface of mill-housings
- B02C2013/2825—Shape or inner surface of mill-housings with fastening means for fixing lining members to the inner surface of mill-housings
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a bidirectional reversible fine crusher convenient for adjusting the particle size of a crushed material, and solves the problems of conveniently adjusting the particle size of the crushed material and further improving the crushing uniformity of the material. Arrange one row of tup subassembly with traditional on every hammer axle equidistant, on hammer disk excircle side, be formed with the arrangement of the tup subassembly that the matrix was arranged, change into: the hammer head components are arranged on the adjacent hammer shafts on the outer circle side of the hammer disc in a staggered mode along the axial direction, so that the hammer head components form a spiral line arrangement form on the outer circle side of the hammer disc, the central axes of the spiral lines are overlapped with the central axis of the rotor main shaft, and a spiral gap groove is formed between every two adjacent spiral lines; the crushing plate is changed into a two-section connection type from an integral type, the two connection sections are connected in a hinged connection mode, the adjusting screw rods are arranged between the two connection sections, the purpose of independently adjusting the gap between the crushing plate and the hammer head can be achieved, and the precision of gap adjusting operation is improved.
Description
Technical Field
The invention relates to a fine crusher for crushing materials, in particular to a bidirectional reversible fine crusher convenient for adjusting the particle size of the crushed materials.
Background
The circulating fluidized bed boiler has small requirement on the particle size of the fire coal and high requirement on the uniformity, and the particle size and the uniformity of the fire coal are one of important factors influencing the stable combustion of the boiler; the fuel coal supplied to the circulating fluidized bed boiler generally needs to be crushed firstly, and can be supplied to the boiler for combustion after reaching the required granularity and uniformity; the crushing of the fire coal is completed by a fine crusher, a rotor is arranged in a cavity of the fine crusher, a hammer head assembly is arranged on the rotor, the fire coal continuously enters the upper part of the cavity of the fine crusher from a feeding port above the fine crusher through a belt conveyor, the rotor in the cavity drives the hammer head on the rotor to rotate at a high speed, the fire coal falling into the upper part of the cavity of the fine crusher is impacted and crushed by the hammer head rotating at a high speed, the hit coal obtains kinetic energy from the hammer head, the coal is collided with each other and crushed again, the crushed coal falls down and continuously falls down along a gap between the rotor and a crushing plate and is crushed by the crusher through the re-collision of the rotating hammer head, and finally, the fire coal is discharged from a discharge port at the bottom of the fine crusher.
The working environment of the fine crusher is severe, and particularly, a rotor in a cavity needs to be replaced regularly and frequently due to high-strength collision and abrasion; the hammer head and the hammer handle in the existing fine crusher are of an integrated structure, and are integrally replaced at the same time, but because the hammer head is more serious in abrasion than the hammer handle, the hammer handle can be continuously used when the hammer head is damaged, and the material waste is caused by the integral replacement; the rotor of the existing fine crusher is mainly composed of a rotor main shaft, hammer disks and hammer head assemblies, wherein the hammer disks are arranged in a hot mode at equal intervals along the axis direction of the main shaft; because each hammer shaft is an integral shaft, when a certain hammer head component on the shaft is seriously abraded and needs to be replaced, only the whole hammer shaft can be dismantled, and the damaged hammer head component on the hammer shaft can be replaced, so that the problems of long time consumption and high labor intensity in dismounting and mounting are solved; in addition, the hammer shaft of cross-under between each hammer disks sets up the blanking cover respectively through hammer shaft both ends, and is fixed through the location of two blanking covers, realizes fixedly between hammer shaft and each hammer disk, and the blanking cover is in the same place through four bolts and tip hammer disk spiro union fixed connection, when needs dismantle the hammer shaft, still need demolish the spiro union bolt on the blanking cover of both sides, has the defect that the dismouting is wasted time and energy, has prolonged the change maintenance time, has influenced on-the-spot normal production.
In the existing fine crusher rotor, a plurality of hammer disks are arranged at equal intervals in a hot manner along the direction of a central shaft of a rotor main shaft, a hammer shaft is arranged on the outer circle of each hammer disk at equal intervals in a radian manner, the hammer disks and the hammer shaft form a mouse cage-shaped structure, a row of hammers are arranged on each hammer shaft at intervals, and a matrix-type hammer head assembly array is formed on the outer circular surface of the fine crusher rotor; the rotor rotates at a high speed to drive the array hammer heads to perform hammering collision with the materials continuously entering the cavity of the fine crusher, so that the materials are crushed; because on the outer disc of fine crusher rotor, along the radial arrangement's tup, horizontal line is arranged, and the interval is fixed each other, at rotor high-speed rotation and the at uniform velocity whereabouts in-process of material, the tup subassembly meets with the material with "a" font developments rotation form, the phenomenon of piling up of very easy formation material in the meeting department of material and tup, commonly known as "material hunch-up" in this trade, the degree of consistency of coal-fired breakage has been influenced, how effectively to break up material hunch-up phenomenon, improve the degree of consistency of material breakage, be the technical problem that industry technicians are constantly seeking to solve.
The existing fine crusher adjusts the crushing granularity of materials mainly through the matrix arrangement form of hammers and the adjustment of the gap between a crushing plate and the hammers; in the box cavity of fine crusher, there are two crushing boards with radian correspondingly, the crushing boards are connected to the connecting seat of the crushing board through special bolt, between the connecting seat of the crushing board and the casing of the fine crusher, there is a lead screw regulator, the gap between the crushing board and the hammer head is changed by regulating the lead screw, because the crushing board with radian is a monolithic structure, when the lead screw is regulated to regulate the crushing board, the gap between the crushing board and the hammer head can only be changed integrally, when there is gap regulation between the crushing board and the hammer head, so the defect of losing the gap is lost, according to the structure requirement of crushing theory, the gap between the crushing board and the hammer head should be at the upper part in the cavity of the crusher, the gap should be larger, and the gap at the outlet should be smaller, so the particle size of the crushed material can be reduced, and the particle size can be improved, the regulating mechanism of the existing crusher can not realize the above purpose well, the crushing uniformity of the materials is difficult to improve, and the high requirement of the circulating fluidized bed boiler on the uniformity of the materials cannot be met.
Disclosure of Invention
The invention provides a bidirectional reversible fine crusher capable of conveniently adjusting the particle size of a crushed material, and solves the technical problems of conveniently adjusting the particle size of the crushed material and further improving the crushing uniformity of the material.
The invention solves the technical problems by the following technical scheme:
the general concept of the invention is: arrange one row of tup subassembly with traditional on every hammer axle equidistant, on hammer disk excircle side, be formed with the arrangement of the tup subassembly that the matrix was arranged, change into: the hammer head components arranged on the adjacent hammer shafts on the outer circle side of the hammer disc are arranged in a staggered mode along the axial direction, so that the hammer head components form a spiral line arrangement form on the outer circle side of the hammer disc, the central axis of each spiral line is superposed with the central axis of the rotor main shaft, a spiral gap groove is formed between every two adjacent spiral lines, and a spiral channel is formed after the spiral gap groove rotates at a high speed along with the rotor, so that coal which continuously falls from an inlet of a fine crusher is effectively absorbed, the coal passively forms a spiral falling track material flow, the phenomenon of material arching is effectively eliminated, and the uniformity of material crushing is greatly improved; change the crushing plate into two sections linking formula by the monoblock formula, link together through articulated connected mode at two linking sections, set up the regulation lead screw separately between every section, can realize carrying out the purpose of independent regulation to the clearance between crushing plate and the tup, improved the precision of clearance adjustment operation to the realization increases substantially the degree of consistency of material breakage.
A bidirectional reversible fine crusher convenient for adjusting particle size of crushed materials comprises a fine crusher shell, a crushed material feeding port is arranged at the upper end of the fine crusher shell, a crushed material discharging port is arranged at the lower end of the fine crusher shell, a box-shaped cavity for crushing materials is arranged in the fine crusher shell between the crushed material feeding port and the crushed material discharging port, two crushing plates are symmetrically arranged in the box-shaped cavity, a rotor main shaft is arranged between the two crushing plates, hammer disks are arranged on the rotor main shaft at equal intervals in a heating manner, a hammer shaft penetrates through a through hole and is arranged on the outer edge of each hammer disk, a hammer head assembly is connected to each hammer shaft in a penetrating manner, each crushing plate is formed by hinging an upper arc-shaped crushing plate body and a lower arc-shaped crushing plate body, the upper arc-shaped crushing plate body is fixedly arranged on an upper arc-shaped crushing plate body mounting seat, the lower arc-shaped crushing plate body is fixedly arranged on a lower arc-shaped crushing plate body mounting seat, an upper-section arc crushing plate body swing hinge pin shaft is arranged between the upper end of the upper-section arc crushing plate body mounting seat and the fine crusher shell, a lower end pin hole of the upper-section arc crushing plate body mounting seat and a lower end pin hole of the lower-section arc crushing plate body mounting seat are hinged together after being connected with the pin shaft through a cross-connecting crushing plate, a jacking block is sleeved on the connecting pin shaft of the crushing plate, a middle adjusting screw nut is arranged on the shell of the fine crusher, the top end of the middle adjusting screw passes through the middle adjusting screw nut and then is connected with the jacking block, a lower part screw head butting groove is arranged on the lower section arc-shaped crushing plate body mounting seat, a lower part adjusting screw nut is arranged on the crusher shell body outside the lower part screw head butting groove, a lower adjusting screw is arranged between the lower adjusting screw nut and the lower screw head butting groove, and a ball head of the lower adjusting screw is embedded in the lower screw head butting groove.
The left end of the rotor main shaft is provided with a rotor main shaft left end bearing, the right end of the rotor main shaft is provided with a rotor main shaft right end bearing, the rotor main shaft is provided with hammer disks at equal intervals in a heating mode, the outer edge of each hammer disk is provided with a hammer shaft penetrating through hole, a left section of hammer shaft penetrates through the through hole and is connected with a hammer head assembly, a right section of hammer shaft penetrates through the through hole and is connected with a corresponding hammer shaft of the hammer disk arranged on a right half shaft of the rotor main shaft, and the right section of hammer shaft is connected with the hammer head assembly; a left spacer ring is arranged between two adjacent hammer disks arranged on a left half shaft of the rotor main shaft, a pair of left spacer ring fixing pin through holes is arranged on the left spacer ring, a left section hammer shaft fixing pin through hole is arranged on the left section hammer shaft, the pair of left spacer ring fixing pin through holes and the left section hammer shaft fixing pin through hole are correspondingly arranged, and a left section hammer shaft fixing pin is arranged between the pair of left spacer ring fixing pin through holes and the left section hammer shaft fixing pin through hole in a penetrating manner; a right spacer ring is arranged between two adjacent hammer disks arranged on a right half shaft of the rotor spindle, and the connection mode of the right spacer ring and the right section of the hammer shaft is completely the same as the connection mode of the left spacer ring and the left section of the hammer shaft; the hammer head components arranged on the adjacent hammer shafts on the outer circle side surface of the hammer disc are arranged in a staggered manner along the axial direction of the rotor main shaft; the hammer head component is arranged on the outer circle side face of the hammer disc in a spiral line mode, the central axis of the spiral line is overlapped with the central axis of the rotor spindle, and a spiral clearance groove is formed between every two adjacent spiral lines.
The tup subassembly is assembled after linking together by hammer handle and tup and is constituteed, is provided with the hammer spindle cross-under hole in the right side end of hammer handle, is provided with at the left side end of hammer handle and connects tup fixed pin cross-under hole, and it has the tup fixed pin to cross-under in connecting tup fixed pin cross-under hole, and the tup fixed pin is in the same place tup and the left side fixed connection of hammer handle, and the hammer handle passes through the hammer spindle cross-under hole and cross-under is epaxial at the hammer.
The outer circle of the hammer disc is provided with hammer shafts which penetrate through the through holes at equal intervals in a radian manner; a hammer shaft corresponding to a hammer disk arranged on a rotor main shaft penetrates through the through hole and is provided with a left section of hammer shaft, a middle section of hammer shaft and a right section of hammer shaft, and each section of hammer shaft is provided with a spacing ring for fixing the section of hammer shaft and a hammer shaft fixing pin; the number of the hammer shafts arranged on the excircle of the hammer disk at equal intervals in a radian mode penetrates through the through holes to be 8 or 12.
The invention can conveniently adjust the crushing particle size of the fire coal, effectively eliminates the phenomenon of material arching, improves the crushing uniformity of the fire coal, and well meets the requirement of the circulating fluidized bed boiler on the uniformity of the fire coal.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the adjustment mechanism of the breaker plate of the present invention;
FIG. 3 is a schematic structural view of a rotor assembly of the fine crusher of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
FIG. 5 is a schematic view of the arrangement of the hammer head assembly when the rotor of the present invention is deployed to a flat surface;
FIG. 6 is a schematic structural view of the hammer disk 2 of the present invention in a front view direction;
FIG. 7 is a schematic view of the hammer disk 2 of the present invention in a side view;
fig. 8 is a schematic structural view of the hammer head assembly 13 of the present invention in a front view direction;
fig. 9 is a schematic structural view of the hammer head assembly 13 of the present invention in a side view.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
a bidirectional reversible fine crusher convenient for adjusting particle size of crushed materials comprises a fine crusher shell 24, a crushed material feeding port is arranged at the upper end of the fine crusher shell 24, a crushed material discharging port is arranged at the lower end of the fine crusher shell 24, a box-shaped cavity for crushing materials is arranged in the fine crusher shell 24 between the crushed material feeding port and the crushed material discharging port, two crushing plates are symmetrically arranged in the box-shaped cavity, a rotor spindle 1 is arranged between the two crushing plates, hammer disks 2 are arranged on the rotor spindle 1 at equal intervals in a hot mode, a hammer shaft penetrating through hole 3 is arranged on the outer edge of each hammer disk 2, a hammer shaft penetrates through the through hole 3 and is connected with the hammer shaft, a hammer head assembly 13 is connected on the hammer shaft, each crushing plate is formed by hinging an upper arc-shaped crushing plate body 19 and a lower arc-shaped crushing plate body 20, the upper arc-shaped crushing plate body 19 is fixedly arranged on an upper arc-shaped crushing plate body mounting seat 21, the lower section arc-shaped crushing plate body 20 is fixedly arranged on a lower section arc-shaped crushing plate body mounting seat 22, an upper section arc-shaped crushing plate body swinging hinge pin 23 is arranged between the upper end of an upper section arc-shaped crushing plate body mounting seat 21 and a fine crusher shell body 24, a lower end pin hole 25 of the upper section arc-shaped crushing plate body mounting seat 21 and a lower end pin hole of the lower section arc-shaped crushing plate body mounting seat 22 are hinged together after passing through a cross-connecting crushing plate connecting pin shaft 26, a butting block 27 is sleeved on the crushing plate connecting pin shaft 26, a middle adjusting lead screw nut 29 is arranged on the fine crusher shell body 24, the top end of a middle adjusting lead screw 28 is connected with the butting block 27 after passing through the middle adjusting lead screw nut 29, a lower lead screw head butting groove 30 is arranged on the lower section arc-shaped crushing plate body mounting seat 22, a lower adjusting lead screw nut 33 is arranged on the fine crusher body 24 outside the lower lead screw head butting groove 30, a lower adjusting screw 32 is arranged between the lower adjusting screw nut 33 and the lower screw head butting groove 30, and a ball head 31 of the lower adjusting screw 32 is embedded in the lower screw head butting groove 30; the gap adjustment between the upper arc-shaped crushing plate body 19 and the hammer head assembly 13 on the rotor spindle 1 can be realized through the adjustment of the middle adjusting screw 28, particularly, the gap adjustment between the lower arc-shaped crushing plate body 20 and the hammer head assembly 13 on the rotor spindle 1 can be realized in a large area through the adjustment of the lower adjusting screw 32, so that the coal crushing uniformity is greatly improved; the two crushing plates symmetrically arranged in the crushing cavity can be synchronously adjusted or independently adjusted;
a left end bearing 11 of the rotor main shaft is arranged at the left end of the rotor main shaft 1, a right end bearing 12 of the rotor main shaft is arranged at the right end of the rotor main shaft 1, hammer disks 2 are arranged on the rotor main shaft 1 at equal intervals in a heating mode, hammer shafts penetrating through holes 3 are arranged on the outer edges of the hammer disks 2, a left section of the hammer shaft 4 penetrates through the through hole 3 and is connected with the corresponding hammer shaft of the hammer disk 2 arranged on the left half shaft of the rotor main shaft 1, a hammer head component 13 is connected onto the left section of the hammer shaft 4, a right section of the hammer shaft 5 penetrates through the through hole 3 and is connected with the corresponding hammer shaft of the hammer disk 2 arranged on the right half shaft of the rotor main shaft 1, and the right section of the hammer shaft 5 is connected with the hammer head component 13; a left spacer ring 6 is arranged between two adjacent hammer disks 2 arranged on a left half shaft of a rotor main shaft 1, a pair of left spacer ring fixing pin through holes 8 is arranged on the left spacer ring 6, a left section hammer shaft fixing pin through hole 9 is arranged on a left section hammer shaft 4, the pair of left spacer ring fixing pin through holes 8 and the left section hammer shaft fixing pin through hole 9 are correspondingly arranged, and a left section hammer shaft fixing pin 10 is arranged between the pair of left spacer ring fixing pin through holes 8 and the left section hammer shaft fixing pin through hole 9 in a penetrating manner; a right spacer ring 7 is arranged between two adjacent hammer disks 2 arranged on a right half shaft of the rotor spindle 1, and the connection mode of the right spacer ring 7 and the right section hammer shaft 5 is completely the same as that of the left spacer ring 6 and the left section hammer shaft 4; the hammer head components arranged on the adjacent hammer shafts on the outer circle side surface of the hammer disc are arranged in a staggered manner along the axial direction of the rotor main shaft; the hammer head assembly is arranged on the outer circle side surface of the hammer disc in a spiral line arrangement mode, the central axis of each spiral line is superposed with the central axis of the rotor spindle, and a spiral clearance groove is formed between every two adjacent spiral lines; when the rotor main shaft rotates at a high speed, the fire coal falling onto the rotor main shaft can form spiral material flow along with the rotation of the rotor, and the material flow is crushed and falls, so that the accumulation is avoided, and the crushing uniformity is further influenced.
The outer circle of the hammer disk 2 is provided with hammer shafts which penetrate through the through holes 3 at equal intervals in a radian manner; the hammer shaft corresponding to the hammer disk 2 arranged on the rotor main shaft 1 penetrates through the through hole 3 and is provided with a left section of hammer shaft, a middle section of hammer shaft and a right section of hammer shaft, the left section of hammer shaft, the middle section of hammer shaft and the right section of hammer shaft are sequentially connected together to form an integral hammer shaft, and each section of hammer shaft is provided with a spacing ring for fixing the section of hammer shaft and a hammer shaft fixing pin; the hammer head component 13 is formed by connecting a hammer handle 14 and a hammer head 16 together and then assembling, a hammer shaft through hole 15 is formed in the right side end of the hammer handle 14, a connecting hammer head fixing pin through hole 17 is formed in the left side end of the hammer handle 14, a hammer head fixing pin 18 is connected in the connecting hammer head fixing pin through hole 17 in a penetrating mode, the hammer head 16 and the left side end of the hammer handle 14 are fixedly connected together through the hammer head fixing pin 18, and the hammer handle 14 is connected to the hammer shaft through hole 15 in a penetrating mode
The number of the hammer shafts arranged on the excircle of the hammer disk 2 at equal intervals in a radian manner penetrates through the through holes 3 to be 8 or 12; when the cavity of the fine crusher is large, the hammer disks with large diameters can be selected, the hammer shaft holes in the excircle of each hammer disk can be designed into 12, when the cavity of the fine crusher is limited, the hammer disks with small diameters can be selected, and the hammer shaft holes in the excircle of each hammer disk can be designed into 8.
Claims (4)
1. A bidirectional reversible fine crusher convenient for adjusting the particle size of a crushed material comprises a fine crusher shell (24), wherein a crushed material feeding port is arranged at the upper end of the fine crusher shell (24), a crushed material discharging port is arranged at the lower end of the fine crusher shell (24), a box-shaped cavity for crushing the material is arranged in the fine crusher shell (24) between the crushed material feeding port and the crushed material discharging port, two crushing plates are symmetrically arranged in the box-shaped cavity, a rotor spindle (1) is arranged between the two crushing plates, hammer disks (2) are arranged on the rotor spindle (1) at equal intervals in a hot mode, a hammer shaft penetrating through hole (3) is arranged on the outer edge of each hammer disk (2), a hammer shaft penetrates through the through hole (3) and is connected in a penetrating manner, and a hammer head assembly (13) is connected onto the hammer shaft, and is characterized in that the crushing plates are formed by hinging an upper arc-shaped crushing plate body (19) and a lower arc-shaped crushing plate body (20), an upper section arc-shaped crushing plate body (19) is fixedly arranged on an upper section arc-shaped crushing plate body mounting seat (21), a lower section arc-shaped crushing plate body (20) is fixedly arranged on a lower section arc-shaped crushing plate body mounting seat (22), an upper section arc-shaped crushing plate body swinging hinge pin shaft (23) is arranged between the upper end of the upper section arc-shaped crushing plate body mounting seat (21) and a fine crusher shell body (24), a lower end pin hole (25) of the upper section arc-shaped crushing plate body mounting seat (21) and a lower end pin hole of the lower section arc-shaped crushing plate body mounting seat (22) are hinged together after passing through a crushing plate connecting pin shaft (26), a top connecting block (27) is sleeved on the crushing plate connecting pin shaft (26), a middle adjusting screw nut (29) is arranged on the fine crusher shell body (24), the top end of the middle adjusting screw (28) is connected with the top connecting block (27) after passing through the middle adjusting screw nut (29), a lower screw head butting groove (30) is formed in a lower arc-shaped crushing plate body mounting seat (22), a lower adjusting screw nut (33) is arranged on a fine crusher shell body (24) on the outer side of the lower screw head butting groove (30), a lower adjusting screw (32) is arranged between the lower adjusting screw nut (33) and the lower screw head butting groove (30), and a ball head (31) of the lower adjusting screw (32) is embedded into the lower screw head butting groove (30).
2. The bidirectional reversible fine crusher convenient for adjusting the particle size of the crushed materials as claimed in claim 1, it is characterized in that the left end of the rotor main shaft (1) is provided with a rotor main shaft left end bearing (11), a rotor main shaft right end bearing (12) is arranged at the right end of the rotor main shaft (1), hammer disks (2) are arranged on the rotor main shaft (1) at equal intervals in a heating way, a hammer shaft penetrating through hole (3) is arranged on the outer edge of the hammer disk (2), a left section hammer shaft (4) penetrates through the through hole (3) of the hammer disk (2) corresponding to the hammer shaft penetrating through hole (3) arranged on the left half shaft of the rotor main shaft (1), a hammer head component (13) is connected to the left section of the hammer shaft (4), a right section of the hammer shaft (5) penetrates through the through hole (3) and is connected to the corresponding hammer shaft of the hammer disk (2) arranged on the right half shaft of the rotor spindle (1), and the hammer head component (13) is connected to the right section of the hammer shaft (5); a left spacer ring (6) is arranged between two adjacent hammer disks (2) arranged on a left half shaft of a rotor main shaft (1), a pair of left spacer ring fixing pin through holes (8) is arranged on the left spacer ring (6), a left section hammer shaft fixing pin through hole (9) is arranged on a left section hammer shaft (4), the pair of left spacer ring fixing pin through holes (8) and the left section hammer shaft fixing pin through hole (9) are correspondingly arranged, and a left section hammer shaft fixing pin (10) is arranged between the pair of left spacer ring fixing pin through holes (8) and the left section hammer shaft fixing pin through hole (9) in a penetrating manner; a right spacer ring (7) is arranged between two adjacent hammer disks (2) arranged on the right half shaft of the rotor spindle (1), and the connection mode of the right spacer ring (7) and the right section hammer shaft (5) is completely the same as the connection mode of the left spacer ring (6) and the left section hammer shaft (4); the hammer head components arranged on the adjacent hammer shafts on the outer circle side surface of the hammer disc are arranged in a staggered manner along the axial direction of the rotor main shaft; the hammer head component is arranged on the outer circle side face of the hammer disc in a spiral line mode, the central axis of the spiral line is overlapped with the central axis of the rotor spindle, and a spiral clearance groove is formed between every two adjacent spiral lines.
3. The bidirectional reversible fine crusher convenient for adjusting the particle size of the crushed materials as claimed in claim 2, wherein the hammer head assembly (13) is assembled by connecting the hammer handle (14) and the hammer head (16), a hammer shaft through hole (15) is formed at the right end of the hammer handle (14), a connecting hammer head fixing pin through hole (17) is formed at the left end of the hammer handle (14), a hammer head fixing pin (18) is through connected in the connecting hammer head fixing pin through hole (17), the hammer head fixing pin (18) fixedly connects the hammer head (16) and the left end of the hammer handle (14) together, and the hammer handle (14) is through connected to the hammer shaft through hole (15).
4. The bidirectional reversible fine crusher convenient for adjusting the particle size of the crushed materials as claimed in claim 3, characterized in that the hammer shaft is arranged on the outer circle of the hammer disk (2) at equal intervals in radian to pass through the through hole (3); a hammer shaft corresponding to a hammer disk (2) arranged on a rotor main shaft (1) penetrates through the through hole (3), a left hammer shaft, a middle hammer shaft and a right hammer shaft are arranged, and a spacing ring for fixing the hammer shaft and a hammer shaft fixing pin are arranged on each hammer shaft; the number of the hammer shafts arranged on the excircle of the hammer disk (2) at equal intervals in radian penetrates through the through holes (3) is 8 or 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110808887.7A CN113477331A (en) | 2021-07-16 | 2021-07-16 | Two-way reversible fine crusher convenient for adjusting particle size of crushed material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN114632590A (en) * | 2022-02-15 | 2022-06-17 | 平凉市慧捷机械制造有限责任公司 | Double-sided breaking hammer for vertical shaft crusher |
| CN116020605A (en) * | 2023-02-13 | 2023-04-28 | 太原理工大学 | Multifunctional sample crushing and selecting machine |
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