CN209663421U - A kind of negative pressure grinding device - Google Patents

A kind of negative pressure grinding device Download PDF

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Publication number
CN209663421U
CN209663421U CN201920362666.XU CN201920362666U CN209663421U CN 209663421 U CN209663421 U CN 209663421U CN 201920362666 U CN201920362666 U CN 201920362666U CN 209663421 U CN209663421 U CN 209663421U
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CN
China
Prior art keywords
crushing chamber
shaft
negative pressure
grinding device
screening cylinder
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CN201920362666.XU
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Chinese (zh)
Inventor
于涛
刘兆涛
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Shandong Longxin Environmental Protection Equipment Co Ltd
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Shandong Longxin Environmental Protection Equipment Co Ltd
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Abstract

The utility model discloses a kind of negative pressure grinding devices, including disintegrating mechanism and sorting mechanism;Disintegrating mechanism includes crushing chamber, and the side surface upper part of crushing chamber is provided with feeding pipe, and crushing chamber is internally provided with crushing cutter mechanism, and the bottom of crushing chamber is provided with the end of drainage conduit drainage conduit and is connected to the inlet tube of sorting mechanism;Sorting mechanism includes screening cylinder, and the two sides for screening the side wall upper part of cylinder are respectively arranged with inlet tube and outlet, and the bottom of sorting mechanism is provided with storage bin;The inside upper part of screening cylinder is provided with negative-pressure air fan;Fan blade structure is provided on the inside of screening cylinder;The bottom of storage bin is provided with material conveying mechanism;The top of feeding pipe is provided with material adding mouth.The utility model realizes the crushing of material by disintegrating mechanism, realizes the screening to material by sorting mechanism, and the material of qualified partial size is delivered to subsequent processing to realize, the biggish material of partial size is delivered to again in disintegrating mechanism and is crushed again.

Description

A kind of negative pressure grinding device
Technical field
The utility model relates to pulverizer technical fields, and in particular to a kind of negative pressure grinding device.
Background technique
Pulverizer is the machinery that large-sized solid material is crushed to desired size, is primarily adapted for use in metallurgy, building materials, change The crushing and processing of the industries mineral products material such as work, mine, expressway construction, water conservancy and hydropower, refractory material, steel.
Existing pulverizer inevitably will appear the different crushing of particle size after crushing to material , that is, there are the excessive undesirable pulverized particles of partial size in grain;Since existing pulverizer is not mostly to smashed particle The function of being screened, therefore these comminuting matters for containing partial size oversized particles will all be sent to next link, to influence The progress of next link process.
Therefore, need to design it is a kind of can be to the disintegrating mechanism that pulverized particles are screened.
Utility model content
Purpose of the utility model is to overcome the deficiencies of the above prior art and provide a kind of negative pressure grinding devices.
To achieve the above object, the utility model adopts the following technical solutions: a kind of negative pressure grinding device, including pulverizer Structure and sorting mechanism;
The disintegrating mechanism includes crushing chamber, and the side surface upper part of the crushing chamber is provided with feeding pipe, the crushing chamber It is internally provided with the crushing cutter mechanism for shearing comminuting matter, the bottom of the crushing chamber is provided with drainage conduit, the discharge The end of pipe is connected to the inlet tube of sorting mechanism;
The sorting mechanism includes screening cylinder, and the two sides of the side wall upper part of the screening cylinder are respectively arranged with inlet tube And outlet, the bottom of the sorting mechanism are provided with storage bin;
The inside upper part of the screening cylinder is provided with negative-pressure air fan;
Fan blade structure is provided on the inside of the screening cylinder;
The bottom of the storage bin is provided with the material conveyor that the biggish material of the particle of screening is delivered to feeding pipe Structure;
The top of the feeding pipe is provided with material adding mouth.
Preferably, the inner sidewall of the screening cylinder and the inner sidewall of inlet tube are tangent.
Preferably, the flow channel cross-section area of the inlet tube is less than the flow channel cross-section area of drainage conduit.
Preferably, the crushing cutter mechanism includes shaft and two groups of rotation knife assemblies, and the rotation knife assembly includes in ring The broach shell of shape structure, is along the circumferential direction uniformly arranged several blades on the lateral surface of the broach shell, the knife face of the blade with turn The axis of axis intersects;The blade of two groups of rotation knife assemblies is in symmetrical mechanism;The broach shell is fixedly and coaxially connected with shaft;
The front-rear side walls of the shaft and crushing chamber are rotatablely connected;
One end of the shaft and the shaft of first motor are fixedly and coaxially connected.
Preferably, the end of the feeding pipe is provided with U-shaped expects pipe, and the both ends of the U-shaped expects pipe are connected to crushing chamber, Two ends of the U-shaped expects pipe correspond respectively to two rotation knife assemblies.
Preferably, the fan blade structure includes rotary shaft, is evenly arranged with several groups rotation along axial direction in the rotary shaft Flabellum, the rotary fan are the umbrella-shaped structure being made of several flabellums;
The upper end of rotary shaft and the top wall surface of screening cylinder are rotatablely connected;
The top of the rotary shaft and the shaft of the second motor are fixedly and coaxially connected.
Preferably, the material conveying mechanism is belt conveyor or screw conveyor.
The utility model has the following beneficial effects:
(1) the utility model negative pressure grinding device by disintegrating mechanism realize material crushing, by with disintegrating mechanism phase Sorting mechanism even realizes screening to material, and the material of qualified partial size is delivered to subsequent processing to realize, by partial size compared with Big material is delivered in disintegrating mechanism again and is crushed again, to ensure that the comminuting matter being delivered in subsequent processing Partial size in acceptability limit.
(2) by crushing the structure setting of cutter mechanism in the utility model negative pressure grinding device, when starting first motor band When turn axis rotates, blade therein also follows rotation, when blade high speed rotation, can will go into material in crushing chamber into Row shearing, and achieve the purpose that comminuting matter;The high speed rotation of blade simultaneously can form negative pressure, to promote in crushing chamber Material in feeding pipe, which is sucked into, to be completed to crush in crushing chamber, to realize the self-priming entrance of material.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the structural schematic diagram of the utility model negative pressure grinding device;
Fig. 2 is the external structure schematic isometric of disintegrating mechanism in the utility model;
Fig. 3 is the internal structure schematic isometric one of disintegrating mechanism in the utility model;
Fig. 4 is the internal structure schematic isometric two of disintegrating mechanism in the utility model;
Fig. 5 is the structural representation perspective view one that cutter mechanism is crushed in the utility model;
Fig. 6 is the structural representation perspective view two that cutter mechanism is crushed in the utility model;
Fig. 7 is the structural representation perspective view of sorting mechanism in the utility model;
Fig. 8 is the structural representation top view of sorting mechanism in the utility model;
Fig. 9 is the sectional view along A-A of Fig. 7;
Figure 10 is the B-B direction cross-sectional view of Fig. 8;
Figure 11 is the structural representation perspective view of fan blade structure in the utility model;
Wherein:
1- crushing chamber, 11- feeding pipe, 111- material adding mouth, 112-U moulding mixture pipe, 12- drainage conduit,
2- crushes cutter mechanism, 21- shaft, 22- broach shell, 23- blade, 24- first motor;
3- screens cylinder, 31- inlet tube, 32- outlet, 33- storage bin, 34- negative-pressure air fan;
4- fan blade structure, 41- rotary shaft, 42- rotary fan, the second motor of 43-;
5- material conveying mechanism.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In the present invention, the orientation or positional relationship of the instructions such as term such as "top", "bottom", "front", "rear" be based on Orientation or positional relationship shown in the drawings, only to facilitate describing each component of the utility model or component structure relationship and determining Relative, not refer in particular to either component or element in the utility model, should not be understood as limiting the present invention.
As shown in Figure 1, a kind of negative pressure grinding device, including disintegrating mechanism and sorting mechanism;
As in Figure 2-4, the disintegrating mechanism includes crushing chamber 1, and the side surface upper part of the crushing chamber 1 is provided with feeding pipe 11, the crushing cutter mechanism 2 of the crushing chamber 1 being internally provided with for shearing comminuting matter, the bottom setting of the crushing chamber 1 There is drainage conduit 12, the end of the drainage conduit 12 is connected to the inlet tube 31 of sorting mechanism;The object entered by feeding pipe 11 Material enters in crushing chamber 1, crushes under the shearing collision effect for crushing cutter mechanism 2 to material, the material after crushing Sorting mechanism is entered by drainage conduit 12;
As is seen in figs 7-10, the sorting mechanism includes screening cylinder 3, the two sides of the side wall upper part of the screening cylinder 3 It is respectively arranged with inlet tube 31 and outlet 32, the bottom of the sorting mechanism is provided with storage bin 33;
The inside upper part of the screening cylinder 3 is provided with negative-pressure air fan 34, and the effect of negative-pressure air fan 34 is after crushing Material be drawn into screening cylinder 3 in;
The inside of the screening cylinder 3 is provided with fan blade structure 4, and fan blade structure 4 is beneficial in screening cylinder 3 when rotating The generation of whirlwind field, and then the material of different-grain diameter size is sieved;
As shown in Figure 1, the bottom of the storage bin 33, which is provided with, is delivered to feeding pipe for the biggish material of the particle of screening The larger undesirable material of 11 material conveying mechanism 5, the i.e. partial size through filtering out, which is delivered in crushing chamber 1, to carry out again It crushes;
The top of the feeding pipe 11 is provided with material adding mouth 111, for adding material to be comminuted;
Under the action of screening negative-pressure air fan 34 in cylinder 3, the material after cutter mechanism 2 crushes is crushed along drainage conduit 12, inlet tube 31 be drawn into screening cylinder 3 in, screening cylinder 3 in along screening cylinder inner wall formed whirlwind field, partial size compared with Small, lighter weight material moves up to outlet 32, is then delivered to next link;Partial size is larger, heavier mass object Material is fallen in the storage bin 33 of lower section, is delivered to feeding pipe 11 again via material conveying mechanism 5, is entered in crushing chamber 1 Again it is crushed.
Preferably, as Figure 7-9, the inner sidewall of the inner sidewall and inlet tube 31 of the screening cylinder 3 is tangent, i.e. entrance Pipe 31 is tangential inlet pipe.
It is further preferred that the streamlined structure of the runner of the inlet tube 31
It is further preferred that the runner of the inlet tube 31 is of a straight line type structure, inlet tube represented by illustrations 31 runner is linear structure.
Preferably, the flow channel cross-section area of the inlet tube 31 is less than the flow channel cross-section area of drainage conduit 12, material It is entered in inlet tube 31 from drainage conduit 12, due to the diminution of flow channel cross-section area, and increases the rate of material, to make Material tangentially into screening cylinder 3 when have biggish tangential initial velocity, thus advantageously form eddy flow field and to material into Row screening.
It is further preferred that the cross section of the inlet tube 31 is in tapered configuration, that is, material is gradually increased in inlet tube Rate in 31, and then make material that there is biggish tangential initial velocity tangentially into when screening cylinder 3.
Preferably, as seen in figs. 5-6, the crushing cutter mechanism 2 includes shaft 21 and two groups of rotation knife assemblies, the rotation Knife assembly includes the broach shell 22 of structure in a ring, is along the circumferential direction uniformly arranged several blades on the lateral surface of the broach shell 22 23, the knife face of the blade 23 intersects with the axis of shaft 21, i.e. the inclined structure of blade;The blade of two groups of rotation knife assemblies is in Symmetrical mechanism;The broach shell 22 is fixedly and coaxially connected with shaft 21;
The shaft 21 and the front-rear side walls of crushing chamber 1 are rotatablely connected;
One end of the shaft 21 and the shaft of first motor 24 are fixedly and coaxially connected.
When starting the drive rotation of shaft 21 of first motor 24, blade 23 therein also follows rotation, when 23 high speed of blade When rotation, the material that can be will go into crushing chamber 1 is sheared, and achievees the purpose that comminuting matter;The height of blade 23 simultaneously Speed rotation, can form negative pressure in crushing chamber 1, complete to crush in crushing chamber 1 so that the material in feeding pipe 11 be promoted to be sucked into, To realize the self-priming entrance of material.
It is further preferred that the shaft 21 is rotatablely connected by the front-rear side walls of bearing and crushing chamber 1.
Preferably, as in Figure 2-4, the end of the feeding pipe 11 is provided with U-shaped expects pipe 112, the U-shaped expects pipe 112 Both ends be connected to crushing chamber 1, two ends of the U-shaped expects pipe 112 correspond respectively to two rotation knife assemblies.
Preferably, as shown in figure 11, the fan blade structure 4 includes rotary shaft 41, in the rotary shaft 41 along it is axial uniformly It is provided with several groups rotary fan 42, the rotary fan 42 is the umbrella-shaped structure being made of several flabellums;
The upper end of rotary shaft 41 and the top wall surface of screening cylinder 3 are rotatablely connected;
The top of the rotary shaft 41 and the shaft of the second motor 43 are fixedly and coaxially connected.
It is further preferred that the rotary shaft 41 is rotatablely connected by the top wall surface of bearing and screening cylinder 3.
Preferably, the material conveying mechanism is belt conveyor or screw conveyor.
A kind of negative pressure grinding device, specific embodiment are as follows:
Starting first motor 24 drives shaft 21 to rotate, and blade 23 therein also follows rotation, when 23 high speed rotation of blade When, the material that can be will go into crushing chamber 1 is sheared, and achievees the purpose that comminuting matter;The high speed rotation of blade 23 simultaneously Turn, negative pressure can be formed in crushing chamber 1, completes to crush in crushing chamber 1 so that the material in feeding pipe 11 be promoted to be sucked into, thus Realize the self-priming entrance of material;
Under the action of screening negative-pressure air fan 34 in cylinder 3, the material after cutter mechanism 2 crushes is crushed along drainage conduit 12, inlet tube 31 be drawn into screening cylinder 3 in, screening cylinder 3 in along screening cylinder inner wall formed whirlwind field, partial size compared with Small, lighter weight material moves up to outlet 32, is then delivered to next link;Partial size is larger, heavier mass object Material is fallen in the storage bin 33 of lower section, is delivered to feeding pipe 11 again via material conveying mechanism 5, is entered in crushing chamber 1 Again it is crushed.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this The limitation of type, those skilled in the art should understand that, based on the technical solution of the present invention, those skilled in the art Member, which does not need to make the creative labor the various modifications or changes that can be made, to be still within the scope of the present invention.

Claims (7)

1. a kind of negative pressure grinding device, characterized in that including disintegrating mechanism and sorting mechanism;
The disintegrating mechanism includes crushing chamber, and the side surface upper part of the crushing chamber is provided with feeding pipe, the inside of the crushing chamber It is provided with the crushing cutter mechanism for shearing comminuting matter, the bottom of the crushing chamber is provided with drainage conduit, the drainage conduit End is connected to the inlet tube of sorting mechanism;
The sorting mechanism includes screening cylinder, and the two sides of the side wall upper part of the screening cylinder are respectively arranged with inlet tube and go out Mouth pipe, the bottom of the sorting mechanism is provided with storage bin;
The inside upper part of the screening cylinder is provided with negative-pressure air fan;
Fan blade structure is provided on the inside of the screening cylinder;
The bottom of the storage bin is provided with the material conveying mechanism that the biggish material of the particle of screening is delivered to feeding pipe;
The top of the feeding pipe is provided with material adding mouth.
2. a kind of negative pressure grinding device as described in claim 1, characterized in that the inner sidewall and inlet tube of the screening cylinder Inner sidewall it is tangent.
3. a kind of negative pressure grinding device as described in claim 1, characterized in that the flow channel cross-section area of the inlet tube is small In the flow channel cross-section area of drainage conduit.
4. a kind of negative pressure grinding device as described in claim 1, characterized in that the crushing cutter mechanism includes shaft and two groups Knife assembly is rotated, the rotation knife assembly includes the broach shell of structure in a ring, on the lateral surface of the broach shell along the circumferential direction Even several blades of setting, the knife face of the blade intersect with the axis of shaft;The blade of two groups of rotation knife assemblies is in symmetrical mechanism; The broach shell is fixedly and coaxially connected with shaft;
The front-rear side walls of the shaft and crushing chamber are rotatablely connected;
One end of the shaft and the shaft of first motor are fixedly and coaxially connected.
5. a kind of negative pressure grinding device as claimed in claim 4, characterized in that the end of the feeding pipe is provided with U-shaped material Pipe, the both ends of the U-shaped expects pipe are connected to crushing chamber, and two ends of the U-shaped expects pipe correspond respectively to two rotating knifes Component.
6. a kind of negative pressure grinding device as described in claim 1, characterized in that the fan blade structure includes rotary shaft, described It is evenly arranged with several groups rotary fan along axial direction in rotary shaft, the rotary fan is the umbrella knot being made of several flabellums Structure;
The upper end of rotary shaft and the top wall surface of screening cylinder are rotatablely connected;
The top of the rotary shaft and the shaft of the second motor are fixedly and coaxially connected.
7. a kind of negative pressure grinding device as described in claim 1, characterized in that the material conveying mechanism is belt conveyor Or screw conveyor.
CN201920362666.XU 2019-03-20 2019-03-20 A kind of negative pressure grinding device Active CN209663421U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920362666.XU CN209663421U (en) 2019-03-20 2019-03-20 A kind of negative pressure grinding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920362666.XU CN209663421U (en) 2019-03-20 2019-03-20 A kind of negative pressure grinding device

Publications (1)

Publication Number Publication Date
CN209663421U true CN209663421U (en) 2019-11-22

Family

ID=68572303

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920362666.XU Active CN209663421U (en) 2019-03-20 2019-03-20 A kind of negative pressure grinding device

Country Status (1)

Country Link
CN (1) CN209663421U (en)

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