CN210700372U

CN210700372U - Efficient birotor system sand machine

Info

Publication number: CN210700372U
Application number: CN201921411264.0U
Authority: CN
Inventors: 刘海淘
Original assignee: Henan Zhongyu Dingli Intelligent Equipment Co ltd
Current assignee: Henan Zhongyu Dingli Intelligent Equipment Co ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-06-09
Anticipated expiration: 2029-08-28

Abstract

The high-efficiency double-rotor sand making machine effectively solves the problems that the existing sand making machine is poor in shaping effect, low in yield and not easy to install; the hammer comprises an upper shell and a lower shell, wherein a feed inlet 28 and a discharge outlet are respectively arranged on the upper shell and the lower shell, two rotating shafts a and b horizontally spaced at a certain distance are transversely arranged in the upper shell and the lower shell, rotating discs a and b are arranged on the rotating shafts a and b, a plurality of hammers spaced at a fixed distance are movably arranged on the rotating discs a and b, the rotating directions of the rotating discs a and b are opposite, counterattack plates are arranged on supports, and arc-shaped wear-resisting plates are arranged at the lower ends of the rotating discs a and b; the utility model discloses slapping in opposite directions violently by the tup on two carousels and making the high-speed departure of material tangential level powerful clash carry out the breakage, then make the material produce the bounce-back through the counterattack device, high-speed friction obtains the plastic between the bounce-back material, has increased the head-on collision probability between the material simultaneously, therefore its crushing efficiency is high, and the product grain that breaks out is shaped well.

Description

Efficient birotor system sand machine

Technical Field

The utility model relates to a system sand machine technical field, in particular to efficient birotor system sand machine.

Background

The sand making machine is mainly used for crushing and shaping soft or medium hard and extremely hard materials. The performance of the device plays an irreplaceable role in various ore fine crushing devices, and the device is the most effective, practical and reliable stone crushing device at present.

The existing sand making machine is mainly of a single-impeller vertical shaft type structure, a rotor assembly is vertically arranged in a whirling crushing cavity, an impeller is arranged on a main shaft assembly, and the main shaft assembly is connected with a motor through a transmission device. The material falls into the tripper perpendicularly by the feeder hopper on casing upper portion and gets into the impeller of high-speed rotation, and the impeller high-speed rotation is rotated under the motor drive, and under the effect of high-speed centrifugal force, the material is smashed once more with the partly material that falls down naturally all around in the impeller after being accelerated in the impeller, then strikes together on the material lining in the whirling intracavity, and the material receives after striking many times in the whirling intracavity, and the material that loses the energy is finally discharged from broken intracavity. The disadvantages are that: the structure is not beneficial to repeated impact among materials, and due to the impeller structure, the impact crushing kinetic energy of the materials is smaller, the production efficiency is low, the energy consumption is large, and the crushing and shaping functions of the sand making machine are not good for full play.

In the building aggregate industry, the demand of manual machine-made sand is very large, and the prior sand making machine for people is not only a single-impeller vertical shaft type sand making machine, but also a single-rotor type sand making machine with a horizontal shaft. The crushing principle of the vertical shaft impact type sand making machine is that a material is thrown out at a high speed through a material throwing head on an impeller of the sand making machine and then is collided on a counterattack plate to be crushed.

There is a need for a high efficiency dual rotor sand making machine to solve this problem.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model aims at providing an efficient birotor system sand machine, the effectual current system sand machine plastic effect of having solved is poor, output is low and the difficult problem of installing.

The technical scheme of its solution is, the utility model discloses an upper casing and lower casing, be equipped with feed inlet 28 and discharge gate on upper casing and the lower casing respectively, the horizontal pivot a that has two horizontal interval certain distances in upper casing and the lower casing, b, pivot a, install carousel an on the b, carousel an, movable mounting has a plurality of interval fixed distance's tup on the b, carousel an and carousel b rotate opposite direction, be equipped with the support between pivot an and the pivot b, the support is located carousel an, b's upside, be equipped with the counterattack board on the support, carousel an, b's lower extreme is equipped with curved antifriction plate, the upper casing is equipped with in feed inlet department and cuts off the wind device.

The utility model has the advantages that: the utility model discloses novel structure, think about ingeniously, it makes the high-speed departure brute force of material tangential level to collide to carry out the breakage in opposite directions violently to pat by the tup on two carousels, then make the material produce the bounce-back through the counterattack device, high-speed friction obtains the plastic between the bounce-back material, material after the impact and other part materials carry out breakage once more when being thrown to the counterattack board of carousel top, the material runs into the tup on the carousel once more when falling because gravity and throws the material and carry out repeated breakage many times, the frontal collision probability between the material has been increased simultaneously, therefore its crushing efficiency is high, the extra hard material homoenergetic is broken, the product grain shape of broken play is good, become nearly cube mostly.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a side view of the present invention.

Fig. 4 is a schematic structural view of the grate plate frame 10 and the grate plate 11 of the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

Example (b):

as shown in figures 1 to 4, the utility model comprises an upper casing 1 and a lower casing 2, the upper casing 1 and the lower casing 2 fixedly connect the surrounding edge of the lower end of the upper casing 1 and the surrounding edge of the upper end of the lower casing 2 through a plurality of bolts so as to fixedly connect the upper casing 1 and the lower casing 2, the upper casing 1 and the lower casing 2 are respectively provided with a feed inlet 28 and a discharge outlet, two rotating

shafts

3a and 3b horizontally spaced at a certain distance are transversely arranged in the upper casing 1 and the lower casing 2, rotary discs 4a and 4b are arranged on the rotating

shafts

3a and 3b, a plurality of hammer heads 5 spaced at a fixed distance are movably arranged on the rotary discs 4a and 4b, when the rotating

shafts

3a and 3b drive the rotary discs 4a and 4b to rotate, the hammer heads 5 rotatably arranged on the rotary discs 4a and 4b are thrown out by centrifugal force to crush materials, the rotary discs 4a and 4b rotate in opposite directions, so that the materials driven by the hammer heads 5 fly to the rotary discs 4a and 4b, the materials are collided with each other, the speed of the materials is equivalent to the superposition of two speeds, the crushing is more sufficient and more effective, the striking kinetic energy is higher, the energy consumption is low, the outstanding advantage of good particle shape after the crushing is achieved, a bracket 6 is arranged between a rotating shaft 3a and a rotating shaft 3b, the bracket 6 is positioned on the upper sides of rotating discs 4a and 4b, a counterattack plate 7 is arranged on the bracket 6, the impacted materials and other parts of materials are crushed again when being thrown to the counterattack plate 7 upwards, certain materials can be prevented from being flushed out of a feeding hole 28, an arc-shaped wear-resisting plate 8 is arranged at the lower ends of the rotating discs 4a and 4b, the materials are impacted with a part of naturally falling materials again after being accelerated by a hammer 5 rotating at a high speed, then the materials impact the wear-resisting plate 8 together, the materials losing energy are finally discharged from the wear-resisting plate 8 after being impacted for multiple times, and a, the material that is driven by the hammer head 5 and thrown toward the feed opening 28 can be completely prevented from flying out of the feed opening 28.

In order to improve the crushing efficiency and reduce the abrasion of the device, the rotating shaft 3a and the rotating shaft 3b are respectively connected with a motor a arranged at the left end of the lower machine shell 2 and a motor b arranged at the right end of the lower machine shell 2 through a rotor assembly 9, so that the rotating shaft 3a and the rotating shaft 3b respectively rotate clockwise and anticlockwise.

The wear-resisting plate 8 is installed in the lower casing 2 through the grate plate frame 10, the wear-resisting plate 8 is formed by connecting a plurality of grate plates 11, the grate plates 11 are in an arc-shaped step shape, and one end of the grate plate 11 protruding clockwise is lower than one end of the grate plate 11 protruding counterclockwise.

The grate plate frame 10 comprises a support plate 12 vertically arranged in the lower machine shell 2, the upper end of the support plate 12 is provided with

whirling cavities

13a and 13b positioned at the lower sides of the rotating discs 4a and 4b, the

whirling cavities

13a and 13b are internally provided with arc-shaped mounting plates 14, the left end and the right end of the support plate 12 are respectively provided with a first mounting plate and a second mounting plate, the first mounting plate comprises a vertical plate 15 arranged at the upper end of the support plate 12, the vertical plate 15 is fixedly connected with an L-shaped plate 16 through bolts, one side of the L-shaped plate 16 extends into the

whirling cavities

13a and 13b and is propped against one end of the wear-resisting plate 8 for positioning and fixing the wear-resisting plate 8, the second mounting plate comprises a transverse plate 17 arranged at the lower end of the support plate 12, the transverse plate (17) is rotatably provided with bolts in threaded connection with the bottom end of the lower machine shell 2, and, thereby adjusting the height of the grate frame 10.

In order to improve the stability of the wear-resisting plate 8, a plurality of fixing shafts 18 are arranged on the supporting plates 12, the fixing shafts 18 can enable the supporting plates 12 to be fixedly connected, equilateral angle steel 19 is arranged at the upper end of each fixing shaft 18, the equilateral angle steel 19 can effectively reduce the impact of materials falling through the grate plate 11 on the fixing shafts 18, and the service life of the fixing shafts 18 is prolonged.

Support 6 include horizontal installation connecting plate 20 in last casing 1 and the vertical branch flitch 21 of installing in connecting plate 20 upper end, the upper end of counterattack board 7 is equipped with recess 22, the width of recess 22 is more than or equal to the width of connecting plate 20, counterattack board 7 passes through the fastener and installs the lower extreme at connecting plate 20, connecting plate 20 installs the fixed strength that can effectual improvement counterattack board 7 in recess 22, make counterattack board 7 be difficult for breaking away from support 6.

Cut off wind device including fixed baffle 23 that sets up in the feed inlet 28 left and right sides, the feed inlet 28 is stretched out to the lower extreme of baffle 23, can destroy the annular air current that forms the rotor at last casing 1 and lower casing 2 internal rotation, prevent that the material that falls on wear-resisting plate 8 can't fall through comb grillage 10 under the direction of air current, baffle 23 can also prevent in addition that the material flies out feed inlet 28.

Upper casing 1 and lower casing 2 be equipped with upper casing side door 24 and inferior valve side door 25 in both sides around respectively, upper casing 1 and lower casing 2 are equipped with upper casing end door 26 and inferior valve end door 27 in the left and right sides respectively, can conveniently observe through upper casing end door 26, inferior valve end door 27, upper casing side door 24 and inferior valve side door 25, diversified reconnaissance does benefit to the plant maintenance and gets up the reduction time, the maintenance is convenient.

The utility model discloses when using, the utility model discloses a form first broken zone between carousel 4a, 4b and counterattack board 7, form two broken zones of second between carousel 4a, 4b and the antifriction plate 8.

The two motors respectively drive the two rotating

shafts

3a and 3b which are arranged in parallel to rotate at a high speed, materials fall into the upper machine shell 1 from the feeding hole 28 and fall above the rotating discs 4a and 4b, the rotating discs 4a and 4b rotate relatively, the hammer heads 5 arranged on the rotating discs 4a and 4b strike the materials to enable the materials to obtain kinetic energy and fly to the other rotor, so that the materials on the rotating discs 4a and 4b collide in the direction of the rotating tangent of the rotating shaft 3, and meanwhile, the impact plate 7 on the bottom surface of the material distribution device is arranged right above the collision point to enable the materials not to splash to the outside of the crusher, and the materials are crushed and shaped for the first time under the action of the impact plate 7.

By means of kinetic energy provided by the rotor, the primarily crushed material continuously downwards rushes towards the wear-resisting plate 8, the material enters a second crushing area under the driving of the hammer heads 5, under high pressure formed by high-speed impact of the hammer heads 5, the material is crushed and discharged out of the sand making machine, the material is reshaped due to the stepped channel of the grate plate 11 when being discharged out of the crusher, material particles suitable for the size of the grate gap are discharged through the gap on the grate plate 11 to become sand, and the material particles not conforming to the size are continuously taken between the two hammer heads 5 to be continuously crushed.

The foregoing detailed description/examples, which are specific to embodiments of the present invention and which are intended to illustrate the concepts of the invention, are intended to be illustrative and exemplary and should not be construed as limiting the scope of the invention and embodiments thereof. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include those which make any obvious replacement or modification of the embodiments described herein, and all of which are within the scope of the present invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A high-efficiency dual-rotor sand making machine comprises an upper machine shell (1) and a lower machine shell (2), wherein a feed inlet (28) and a discharge outlet are respectively arranged on the upper machine shell (1) and the lower machine shell (2), two rotating shafts (3 a) and (3 b) horizontally spaced at a certain distance are transversely arranged in the upper machine shell (1) and the lower machine shell (2), rotating discs (4 a) and (4 b) are mounted on the rotating shafts (3 a) and (3 b), a plurality of hammer heads (5) spaced at fixed distances are movably mounted on the rotating discs (4 a) and (4 b), the rotating directions of the rotating discs (4 a) and (4 b) are opposite, a support (6) is arranged between the rotating shafts (3 a) and (3 b), the support (6) is positioned on the upper sides of the rotating discs (4 a) and (4 b), a counterattack plate (7) is arranged on the support (6), and arc-shaped wear-resisting plates (8), the upper casing (1) is provided with an air cutting device at the feed inlet (28).

2. The high-efficiency dual-rotor sand making machine according to claim 1, wherein the rotating shaft (3 a) and the rotating shaft (3 b) are respectively connected with a motor a arranged at the left end of the lower machine shell (2) and a motor b arranged at the right end of the lower machine shell (2) through a rotor combination (9), so that the rotating shaft (3 a) and the rotating shaft (3 b) respectively rotate clockwise and anticlockwise.

3. The high-efficiency double-rotor sand making machine according to claim 1, wherein the wear-resisting plate (8) is installed in the lower casing (2) through the grate frame (10), the wear-resisting plate (8) is formed by connecting a plurality of grate plates (11), and the grate plates (11) are in an arc-shaped step shape.

4. The high-efficiency dual-rotor sand making machine according to claim 3, wherein the grate frame (10) comprises a support plate (12) vertically installed in the lower casing (2), the upper end of the support plate (12) is provided with whirling cavities (13 a), (13 b) positioned at the lower sides of the turntables (4 a), (4 b), arc-shaped mounting plates (14) are arranged in the whirling cavities (13 a), (13 b), the left end and the right end of the support plate (12) are respectively provided with a first mounting plate and a second mounting plate, the first mounting plate comprises a vertical plate (15) arranged at the upper end of the support plate (12), an L-shaped plate (16) is fixedly connected onto the vertical plate (15) through bolts, one side of the L-shaped plate (16) extends into the whirling cavities (13 a), (13 b) and is supported at one end of the wear-resisting plate (8), the second mounting plate comprises a transverse plate (17) arranged at the lower end, and a bolt in threaded connection with the bottom end of the lower shell (2) is rotatably arranged on the transverse plate (17).

5. The high-efficiency double-rotor sand making machine according to claim 4, wherein a plurality of fixed shafts (18) are arranged on the supporting plate (12), and equilateral angles (19) are arranged at the upper ends of the fixed shafts (18).

6. The high-efficiency double-rotor sand making machine according to claim 1, wherein the support (6) comprises a connecting plate (20) horizontally arranged in the upper machine shell (1) and a material distributing plate (21) vertically arranged at the upper end of the connecting plate (20), the upper end of the impact plate (7) is provided with a groove (22), the width of the groove (22) is larger than or equal to that of the connecting plate (20), the impact plate (7) is arranged at the lower end of the connecting plate (20) through a fastener, and the connecting plate (20) is arranged in the groove (22).

7. The high-efficiency dual-rotor sand making machine according to claim 1, wherein the air cutting-off device comprises baffle plates (23) fixedly arranged at the left side and the right side of the feed port (28), and the lower ends of the baffle plates (23) extend out of the feed port (28).

8. The high-efficiency dual-rotor sand making machine according to claim 1, wherein the upper casing (1) and the lower casing (2) are respectively provided with an upper casing side door (24) and a lower casing side door (25) at the front side and the rear side, and the upper casing (1) and the lower casing (2) are respectively provided with an upper casing end door (26) and a lower casing end door (27) at the left side and the right side.