CN209663421U - A kind of negative pressure grinding device - Google Patents
A kind of negative pressure grinding device Download PDFInfo
- 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
- Authority
- CN
- China
- Prior art keywords
- crushing chamber
- shaft
- negative pressure
- grinding device
- screening cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
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.
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) |
-
2019
- 2019-03-20 CN CN201920362666.XU patent/CN209663421U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021208162A1 (en) | Fluidized bed collision type airflow mechanical superfine grinding apparatus and method | |
| CN109225513A (en) | A kind of shearing ball milling integrated apparatus | |
| CN104668045B (en) | A kind of raymond mill | |
| CN207573986U (en) | A kind of stalk dustless high efficiency reducing mechanism | |
| CN209663421U (en) | A kind of negative pressure grinding device | |
| CN207344838U (en) | A kind of special mixing device of building concrete | |
| CN204503270U (en) | A kind of papermaking Producing Titanium Dioxide airslide disintegrating mill | |
| CN103191813A (en) | Improved jet mill for fluidized bed | |
| CN107597354A (en) | A kind of Efficient air flow pulverizer | |
| CN105850409B (en) | A kind of straw millstone | |
| CN214439725U (en) | A fluid energy mill for lithium iron phosphate production | |
| CN107626408B (en) | Light material reduces airflow apparatus | |
| CN204911693U (en) | Vertical high -efficient iron -free breaker | |
| CN201357144Y (en) | Combined type efficient rotor power-choosing machine for desulfurizing and pulverizing | |
| CN111328566B (en) | Forage grass slitting and crushing equipment | |
| CN208554476U (en) | A kind of pulverizer | |
| CN114471863A (en) | Intelligent stirring equipment is used in thick broad-bean sauce processing | |
| CN206793830U (en) | Dust suction pulverizer | |
| CN208449493U (en) | A kind of used ball mill grinding equipment of Chinese medicine wall cell disruption medicine materical crude slice processing | |
| CN206965851U (en) | A kind of Highefficientpulverizer | |
| CN210497247U (en) | Horizontal grader of single export of production superfine powder product | |
| CN214183510U (en) | A fluid energy mill for preparing andrographis paniculata lactone | |
| CN220696992U (en) | Jet mill | |
| CN205164840U (en) | Pulverizer | |
| CN203264825U (en) | Improved fluidized bed pneumatic pulverizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |