CN116921006B

CN116921006B - Building aggregate breaker

Info

Publication number: CN116921006B
Application number: CN202311185565.7A
Authority: CN
Inventors: 冯玉梅; 岳晓娜; 郝明; 朱波; 邓强; 杨新生; 张继兵; 娄岩文
Original assignee: Shandong Donghua Technology Co ltd; Jinan Wanhua Cement Co ltd
Current assignee: Shandong Donghua Technology Co ltd; Jinan Wanhua Cement Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-01-02
Anticipated expiration: 2043-09-14
Also published as: CN116921006A

Abstract

The invention provides a building aggregate crushing device, and mainly relates to the field of crushing. The utility model provides a building aggregate breaker, including the vertical scroll breaker main part, the feed inlet top sets up the screening frame, screening frame internal rotation sets up the adjustment grid, set up on the screening frame and promote the electricity push rod, screening frame internal fixation sets up screening awl section of thick bamboo, screening awl section of thick bamboo lateral surface is laminated mutually with adjustment grid medial surface, screening awl section of thick bamboo is interior to have the screening hole that suits with the adjustment grid, screening awl section of thick bamboo bottom center has the blanking hole, screening awl section of thick bamboo top outside sets up annular cloth area, the cloth area top sets up from the progressive guide plate of cloth outband side direction inboard, set up at least one slope conveyer belt on the cloth area, screening frame bottom sets up the guide cone. The invention has the beneficial effects that: the invention can realize the prepositive screening and distribution of the crushed materials of the vertical shaft crusher and improve the crushing effect and the crushing efficiency.

Description

Building aggregate breaker

Technical Field

The invention mainly relates to the field of crushing, in particular to a building aggregate crushing device.

Background

The recycled aggregate is produced by recycling construction waste, industrial waste and other miscellaneous fill, replaces the original sand and stone natural aggregate to be added into concrete, has the effects of saving natural resources, saving cost and recycling waste, and is a technology greatly popularized in the current construction industry. Wherein, the manufacturing of the building aggregate needs a plurality of crushing and screening procedures to obtain the aggregate with ideal size. Firstly, large-diameter concrete is required to be decomposed by a percussion drill, then is subjected to preliminary crushing in a jaw crusher, then is continuously decomposed in a cone crusher, and finally is subjected to final refinement treatment in a vertical shaft crusher.

The vertical shaft crusher is the last procedure for preparing recycled aggregate, the diameter difference of the aggregate crushed by the cone crusher is still large, the vertical shaft crusher is used for crushing the aggregate by 'stone polishing', the larger the diameter of the stone polished by the center polishing impeller is, the larger the momentum is, the better crushing effect can be realized, the quantity of the aggregate which is unqualified in specification and needs to be reworked is reduced, and the production efficiency is improved. The current vertical shaft crusher can not finish the diversion of the feeding diameter, and severely restricts the crushing effect and the crushing efficiency of the recycled aggregate.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides a building aggregate crushing device which can realize the pre-screening and diversion of crushed materials of a vertical shaft crusher and improve the crushing effect and the crushing efficiency.

The invention aims to achieve the aim, and the aim is achieved by the following technical scheme:

the utility model provides a building aggregate breaker, includes the vertical scroll breaker main part, vertical scroll breaker main part center has the drive shaft, the impeller is thrown in drive shaft top installation, throw the material impeller outside and have crushing chamber, vertical scroll breaker main part top is the feed inlet, the feed inlet top sets up the screening frame, screening frame top is annular structure, screening frame rotation sets up the adjustment grid, set up on the screening frame and push the electric putter, it is used for promoting the adjustment grid rotation to push the electric putter, screening frame internal fixation sets up a screening cone, screening cone minor diameter one end down, screening cone lateral surface is laminated mutually with adjustment grid medial surface, screening cone is interior to have the screening hole that suits with the adjustment grid, screening cone bottom center has the blanking hole, screening cone top outside sets up annular cloth area, cloth area and screening frame rotate and is connected, set up on the screening frame and be used for driving cloth area pivoted rotation actuating mechanism, the cloth area top sets up the guide plate that advances gradually from the cloth area outside the side to the side, set up at least one guide cone outside the cloth area on the cloth area and set up one end of guide cone and the corresponding small diameter of guide cone of inclined cone, the screening cone has one end of major diameter corresponding to the small diameter of guide cone on the large diameter sleeve.

The screening frame top has the spacing ring chamber, adjustment grid top has with spacing ring chamber matched with actuating ring, set up a drive hole on the spacing ring chamber at least, promote electric putter and drive hole one-to-one, set up the otic placode that passes the drive hole on the actuating ring, promote the push rod front end and the otic placode hinge of electric putter, promote electric putter end and screening frame hinge.

The screening holes are square holes, the grids of the adjusting grids are in one-to-one correspondence with the screening holes, the screening holes are blocked through rotation of the adjusting grids, and then the width of the screening holes is adjusted.

The grid of the adjusting grid is always contacted with one side edge of the screening hole.

The width of the screening hole gradually decreases from the top of the screening cone to the bottom.

The cloth belt comprises a driving barrel and a bearing plate, the bearing plate is arranged at the top of the driving barrel, a frosting ring is arranged on the outer wall of the driving barrel, the rotation driving mechanism comprises a driving motor, a rubber driving wheel is arranged on a motor shaft of the driving motor, and the rubber driving wheel is in contact with the frosting ring.

The bearing plate is an alloy plate, a plurality of groups of vibration motors are arranged in the driving cylinder, vibration cams are arranged on the vibration motors, and the vibration cams are in contact with the bottom surface of the bearing plate.

The two inclined conveying belts are uniformly arranged on the cloth belt, the two guide plates are arranged, and the guide plates are gradually arranged between the two inclined conveying belts from the outer side to the inner side of the cloth belt.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the screening mechanism is added above the main body of the vertical shaft crusher, so that large-diameter materials and small-diameter materials can be screened, the large-diameter materials and the small-diameter materials are differentially split, the large-diameter materials fall into the middle channel, the small-diameter materials fall into the split channel, the large-diameter materials are rapidly thrown out through the throwing impeller, the momentum of the large-diameter materials is larger, a better crushing effect is achieved, the crushing efficiency is improved, and the disqualified particle size ratio after crushing is reduced.

According to the invention, the uniform material distribution of the material distribution belt realizes uniform falling of the material from the screening cone, so that the material can be uniformly screened in the screening cone, and the subsequent crushing effect is improved.

The device can control the width of the screening holes through adjusting the swing of the grating, so as to improve the screening effect of materials with different specifications, thereby regulating and controlling the blanking flow of the middle channel and the diversion channel, enabling the middle channel to have sufficient materials to be thrown out by the throwing impeller, and further ensuring the stable crushing effect of the recycled aggregate.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic diagram of the cross-sectional structure of the present invention;

FIG. 3 is a schematic diagram of a screening part of the present invention;

FIG. 4 is a schematic top view of a screening portion of the present invention;

FIG. 5 is a schematic view of the structure of the screening portion of the present invention with the receiving plate removed;

FIG. 6 is a schematic diagram of the structure of the screening frame of the present invention;

FIG. 7 is a schematic view of the partial enlarged construction of the A part of the present invention;

FIG. 8 is a schematic view of the present invention in a partially enlarged configuration of section B;

the reference numbers shown in the drawings: 1. a vertical shaft crusher body; 2. a screening frame; 3. screening a cone; 4. a cloth belt; 5. a rotation driving mechanism; 6. a diversion cone; 11. a drive shaft; 12. a material throwing impeller; 13. a crushing cavity; 21. adjusting the grille; 22. pushing the electric push rod; 23. a spacing ring cavity; 24. a drive ring; 25. ear plates; 31. screening holes; 32. a blanking hole; 41. a deflector; 42. tilting the conveyor belt; 43. a striker plate; 44. a drive cylinder; 45. a receiving plate; 46. a vibration motor; 47. a vibrating cam; 51. a driving motor; 52. a rubber driving wheel; 61. a flow sleeve.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. Further, it will be understood that various changes or modifications may be made by those skilled in the art after reading the teachings of the invention, and such equivalents are intended to fall within the scope of the invention as defined herein.

1-8, the building aggregate crushing device comprises a vertical shaft crusher main body 1, wherein a driving shaft 11 is arranged in the center of the vertical shaft crusher main body 1, a material throwing impeller 12 is arranged at the top of the driving shaft 11, a crushing cavity 13 is arranged at the outer side of the material throwing impeller 12, and a feed inlet is formed in the top of the vertical shaft crusher main body 1. A diversion channel is arranged between the material throwing impeller 12 and the crushing cavity 13, a part of materials to be crushed fall onto the material throwing impeller 12 from the center, a part of materials fall from the diversion channel, the materials falling from the center are thrown out through the material throwing impeller 12 and are in collision contact with the materials falling from the diversion channel, meanwhile, the materials are impacted into the crushing cavity 13 to be subjected to backflow crushing, the crushing of building aggregate is completed through multiple collisions, and finally the materials are guided out from a bottom discharge hole of the vertical shaft crusher main body 1.

The screening frame 2 is arranged above the feeding hole, the top of the screening frame 2 is of an annular structure, the adjusting grille 21 is rotatably installed in the screening frame 2, the screening frame 2 is provided with a pushing electric push rod 22, and the pushing electric push rod 22 is used for pushing the adjusting grille 21 to rotate by an angle of 10 degrees at maximum. Specifically, the top of the screening frame 2 is provided with a limiting ring cavity 23, the top of the adjusting grille 21 is provided with a driving ring 24 matched with the limiting ring cavity 23, and the limiting ring cavity 23 limits the driving ring 24, so that the adjusting grille 21 can swing within 10 degrees under the limitation of the limiting ring cavity 23. The limiting ring cavity 23 is provided with at least one driving hole, the pushing electric push rods 22 are in one-to-one correspondence with the driving holes, the driving ring 24 is provided with an ear plate 25 penetrating through the driving holes, the front ends of the push rods of the pushing electric push rods 22 are hinged with the ear plate 25, and the tail ends of the pushing electric push rods 22 are hinged with the screening frame 2. When the adjustment grille 21 needs to be rotationally adjusted, the controller controls the extension distance of the push electric push rod 22 to control the rotation angle of the adjustment grille 21.

The screening frame 2 is internally and fixedly provided with a screening cone 3, one end of the small diameter of the screening cone 3 faces downwards, and the bottom angle of the screening cone 3 is 15-30 degrees. The screening cone 3 lateral surface is laminated mutually with adjustment grid 21 medial surface, screening cone 3 is interior to have the screening hole 31 that suits with adjustment grid 21, screening cone 3 bottom center has blanking hole 32. The screening holes 31 are arranged along the bus, the screening holes 31 are square holes, the grids of the adjusting grids 21 are in one-to-one correspondence with the screening holes 31, the screening holes 31 are blocked through rotation of the adjusting grids 21, and then the width of the screening holes 31 is adjusted. The grating of the adjusting grating 21 is always in contact with one side of the screening hole 31. When the ore in the material is blocked in the screening hole 31, only the electric push rod 22 is required to be contracted and pushed to drive the adjusting grille 21 to reversely rotate so as to enlarge the screening hole 31. The width of the screening hole 31 can be adjusted by controlling the expansion and contraction actions of the pushing electric push rod 22 through the controller, so that the flow rate of the center material and the falling material of the diversion channel can be adjusted. Through reasonable distribution of the flow of the central material and the flow distribution channel, the central material can be stably thrown out by the material throwing impeller 12, and then the central material and the material of the flow distribution channel are fully collided, so that the crushing effect is better. Through the screening of screening awl section of thick bamboo 3, can make the major diameter material be screened the center and fall from blanking hole 32, make minor diameter material through screening hole 31 through the reposition of redundant personnel passageway whereabouts. The large-diameter material is thrown out through the rotation of the material throwing impeller 12, and has larger momentum, so that a better collision crushing effect can be achieved, and the crushing efficiency and the crushing effect of the material are improved.

More specifically, the width of the screening hole 31 gradually decreases from the top to the bottom of the screening cone 3. Through the screening of multilayer, can make the material layering whereabouts, and need not pile up the conflux to reduce the diversion passageway whereabouts material and throw the material impeller 12 and throw the barrier effect of major diameter material, improve the chaotic degree between the material, and then increase the collision probability between the material, improve holistic crushing effect.

The outside of screening awl section of thick bamboo 3 top sets up annular cloth area 4, cloth area 4 rotates with screening frame 2 to be connected, set up on the screening frame 2 and be used for driving cloth area 4 pivoted rotation actuating mechanism 5. The material distributing belt 4 serves as a component for uniformly distributing materials, and uniformly spills the materials into the screening cone 3, so that the screening cone 3 can effectively screen the materials. The upper part of the cloth belt 4 is provided with a guide plate 41 which gradually advances from the outer side to the inner side of the cloth belt 4, the cloth belt 4 is provided with at least one inclined conveying belt 42, and the inner side of the cloth belt 4 corresponding to the inclined conveying belt 42 is provided with a baffle plate 43. The inclined conveying belt 42 conveys materials to the material distribution belt 4, and the materials on the material distribution belt 4 are pushed by the guide plate 41 to uniformly slide into the screening cone 3 through rotation of the material distribution belt 4. Wherein, when the inclined conveyor belt 42 conveys the material to the material distributing belt 4, the material blocking plate 43 blocks the material, so that the material is prevented from falling into the screening cone 3 directly under the inertia effect.

More specifically, in order to make the material on the distributing belt 4 more uniform, two inclined conveyor belts 42 are provided, and two inclined conveyor belts 42 are uniformly provided on the distributing belt 4. The number of the guide plates 41 is two, and the guide plates 41 gradually move from the outer side of the cloth belt 4 to the inner side between the two inclined conveying belts 42. Through this structure, can make the guide plate 41 promote the material to only half cloth area 4, can effectually reduce the travel distance of material that is carried by the slope conveyer belt 42, make the guide plate 41 can be less to the promotion error of material, the material is more even to screening awl section of thick bamboo 3 dropping.

Specifically, the cloth belt 4 includes a driving cylinder 44 and a receiving plate 45, and the receiving plate 45 is disposed on top of the driving cylinder 44. The outer wall of the driving cylinder 44 is provided with a frosting ring, the rotary driving mechanism 5 comprises a driving motor 51 arranged on the screening frame 2, a rubber driving wheel 52 is arranged on a motor shaft of the driving motor 51, and the rubber driving wheel 52 is in contact with the frosting ring. By driving the driving motor 51, the cloth belt 4 can be driven to rotate by frictional contact between the rubber driving wheel 52 and the sanding ring.

More specifically, the receiving plate 45 is an alloy plate, a plurality of groups of vibration motors 46 are arranged in the driving cylinder 44, and the vibration motors 46 are fixedly installed with the screening frame 2. In this embodiment, the vibration motors 46 have four, and the four vibration motors 46 are uniformly disposed circumferentially below the receiving plate 45. The motor shaft of the vibration motor 46 is provided with the vibration cam 47, the vibration cam 47 is in contact with the bottom surface of the supporting plate 45, and the vibration motor 46 can vibrate the bottom surface of the supporting plate 45 through the vibration cam 47 under the driving of the vibration motor 46, so that the materials on the supporting plate 45 are uniformly vibrated, and the uniformity of conveying the materials into the screening cone 3 through the material distribution belt 4 is further ensured.

The screening frame 2 bottom installation water conservancy diversion cone section of thick bamboo 6, water conservancy diversion cone section of thick bamboo 6 minor diameter one end up, water conservancy diversion cone section of thick bamboo 6 top has the water conservancy diversion sleeve 61 corresponding with blanking hole 32, the diameter of water conservancy diversion cone section of thick bamboo 6 major diameter one end is less than the diameter of screening cone section of thick bamboo 3 major diameter one end. The diversion cone 6 is used for diversion of partial materials screened by the screening cone 3, so that the materials close to the center material throwing impeller 12 are prevented from falling to a position close to the material throwing impeller 12, and interference to the operation of the material throwing impeller 12 is avoided.

Specifically, the process for grinding and preparing the aggregate by using the device is as follows:

s1: firstly, materials are conveyed onto a material distribution belt 4 through an inclined conveying belt 42, and a vibration motor 46 drives a vibration cam 47 to intermittently push the material distribution belt 4 during the period, so that the materials on the material distribution belt 4 vibrate uniformly;

s2: along with the rotation of the material distribution belt 4, the material at the same point on the material distribution belt 4 is gradually pushed into the screening cone 3 by the guide plate 41, so that the material uniformly falls into the screening cone 3;

s3: the small-diameter materials fall below through the screening holes 31, uniformly fall into the diversion channel after being rearranged through the diversion cone 6, the large-diameter materials enter the central channel through the blanking holes 32, and the materials in the central channel are thrown out of the materials impacting the diversion channel through the throwing impeller 12, so that the crushing operation is finished in the crushing cavity 13;

s4: when the particle size of the original material is small, the diameter of the screening hole 31 is adjusted to be small by the rotation of the screening frame 2, so that the flow rate of the central passage is increased; when the particle size of the original material is large, the diameter of the screening hole 31 is increased by the reverse rotation adjustment of the screening frame 2, thereby reducing the flow rate of the central passage; therefore, the balance of the material flow of the central channel and the material flow of the diversion channel is achieved, and a better crushing effect is ensured.

Claims

1. The utility model provides a building aggregate breaker, includes vertical scroll breaker main part (1), vertical scroll breaker main part (1) center has drive shaft (11), throw material impeller (12) are installed at drive shaft (11) top, throw material impeller (12) outside has broken chamber (13), vertical scroll breaker main part (1) top is the feed inlet, its characterized in that: screening frame (2) is set up in feed inlet top, screening frame (2) top is annular structure, screening frame (2) internal rotation sets up adjustment grid (21), set up on screening frame (2) and promote electric putter (22), promote electric putter (22) and be used for promoting adjustment grid (21) rotation, screening frame (2) top has spacing ring chamber (23), adjustment grid (21) top have with spacing ring chamber (23) matched with actuating ring (24), set up a drive hole on spacing ring chamber (23) at least, promote electric putter (22) and drive hole one-to-one, set up on the actuating ring (24) and pass otic placode (25) of drive hole, promote electric putter (22) push rod front end and otic placode (25) articulated, promote electric putter (22) end and screening frame (2) articulated, screening frame (2) internal fixation sets up screening cone (3), screening cone (3) small diameter one end down, screening cone (3) and screening cone (31) are the screening cone (31) and are the screening grid (31) of adjusting the one-to-one corresponding, screening cone (31) is in the screening hole (31), the screening hole (31) is blocked through the rotation of adjustment grid (21), and then the width of adjustment screening hole (31), screening awl section of thick bamboo (3) bottom center has blanking hole (32), screening awl section of thick bamboo (3) top outside sets up annular cloth area (4), cloth area (4) are connected with screening frame (2) rotation, set up on screening frame (2) and be used for driving cloth area (4) pivoted rotation actuating mechanism (5), cloth area (4) top sets up from cloth area (4) outside inside progressive guide plate (41), set up at least one slope conveyer belt (42) on cloth area (4), with cloth area (4) inboard position that slope conveyer belt (42) corresponds sets up striker plate (43), screening frame (2) bottom sets up guide cone (6), guide cone (6) minor diameter one end up, guide cone (6) top have guide sleeve (61) that correspond with blanking hole (32), guide cone (6) major diameter is less than one end of screening awl section of thick bamboo (3).

2. A construction aggregate crushing device according to claim 1, wherein: the grating of the adjusting grating (21) is always contacted with one side edge of the screening hole (31).

3. A construction aggregate crushing device according to claim 1, wherein: the width of the screening hole (31) gradually decreases from the top of the screening cone (3) to the bottom.

4. A construction aggregate crushing device according to claim 1, wherein: the cloth belt (4) comprises a driving cylinder (44) and a bearing plate (45), the bearing plate (45) is arranged at the top of the driving cylinder (44), a frosting ring is arranged on the outer wall of the driving cylinder (44), the rotary driving mechanism (5) comprises a driving motor (51), a rubber driving wheel (52) is arranged on a motor shaft of the driving motor (51), and the rubber driving wheel (52) is in contact with the frosting ring.

5. A construction aggregate crushing apparatus according to claim 4, wherein: the bearing plate (45) is an alloy plate, a plurality of groups of vibration motors (46) are arranged in the driving cylinder (44), vibration cams (47) are arranged on the vibration motors (46), and the vibration cams (47) are in contact with the bottom surface of the bearing plate (45).

6. A construction aggregate crushing device according to claim 1, wherein: the two inclined conveying belts (42) are arranged, the two inclined conveying belts (42) are uniformly arranged on the cloth belt (4), the two guide plates (41) are arranged, and the guide plates (41) are gradually arranged between the two inclined conveying belts (42) from the outer side to the inner side of the cloth belt (4).