CN208878792U - A kind of powder lot classifying apparatus and pulverizer - Google Patents

A kind of powder lot classifying apparatus and pulverizer Download PDF

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Publication number
CN208878792U
CN208878792U CN201821081713.5U CN201821081713U CN208878792U CN 208878792 U CN208878792 U CN 208878792U CN 201821081713 U CN201821081713 U CN 201821081713U CN 208878792 U CN208878792 U CN 208878792U
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China
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powder
air
annular groove
classifying apparatus
powder lot
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CN201821081713.5U
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Chinese (zh)
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邓永椿
谢志明
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Fujian Longyi Powder Equipment Manufacturing Co Ltd
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Fujian Longyi Powder Equipment Manufacturing Co Ltd
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Abstract

The utility model relates to a kind of powder lot classifying apparatus and pulverizers, wherein the powder lot classifying apparatus includes body and classification mechanism, discharge port and air-vent are offered on body outer wall, classification mechanism includes driving mechanism and grader, powder is flowed out after grader screens by discharge port, grader includes impeller support and classifying turbine, the power output shaft of driving mechanism is connect with classifying turbine, impeller support is fixed with body, impeller support is provided with annular groove on one end face, classifying turbine part is located in annular groove and can rotate along annular groove, air-vent is connected to via gas channels with annular groove.The utility model adds bleed ports on body outer wall, to which the air of engine body exterior is introduced into annular groove, and then it prevents from blocking in the gap between the annular groove and classifying turbine for stopping the highly concentrated air-flow containing powder to enter on impeller support, the rotation of classifying turbine is influenced, to guarantee the powder screening efficiency and quality of grader.

Description

A kind of powder lot classifying apparatus and pulverizer
Technical field
The utility model relates to crushing material processing technique field more particularly to a kind of powder lot classifying apparatus and pulverizer.
Background technique
Pulverizer is the machinery that large-sized solid material is crushed to desired size.And utilize wind energy by fine powder product It is sent to the equipment that sieve classification mechanism is screened, is applied in a variety of industries such as mine, chemical industry and building materials more.
In existing powder lot classifying apparatus, classifying turbine is fixed in body inner cavity by impeller support, powder water conservancy diversion wind Road is connected via discharge port with extraneous blower, forms a negative pressure in body inner cavity under the action of the suction force of extraneous blower Air-flow, powder are flowed out after classification mechanism screens by discharge port.During powder screening, the classifying turbine of classification mechanism Around impeller support high speed rotation, the unqualified powder of dust particles weight can not cross classification leaf because the centrifugal force of impeller acts on The blade of wheel and fall on material cavity again, the light qualified powder of dust particles crosses classifying turbine, flows to along diversion air duct next Road device, but classifying turbine and impeller support have certain interval, the high air-flow of dust content can be entered by this gap and be divided It in grade impeller inner cavity, since this gap is small, is easy to result in blockage in this accumulation using dust for a long time, to influence to be classified leaf The rotating property of wheel influences powder screening efficiency and quality.
Therefore, it is urgent to provide a kind of completely new technical solutions to solve the above problems.
Utility model content
For this reason, it may be necessary to provide a kind of powder lot classifying apparatus, come solve the classifying turbine of grading plant in the prior art around with The gap location of impeller support rotation is easily blocked by powder, is influenced the rotation of classifying turbine, is influenced powder screening efficiency and quality.
To achieve the above object, a kind of powder lot classifying apparatus is inventor provided, the powder lot classifying apparatus includes body And classification mechanism, discharge port and air-vent are offered on the body outer wall, and the classification mechanism is connected to discharge port, grader Structure includes driving mechanism and grader, and powder is flowed out after grader screens by discharge port, and the grader includes impeller support And classifying turbine, the power output shaft of the driving mechanism are connect with classifying turbine, the impeller support is fixed with body, impeller Annular groove is provided on one end face of support, classifying turbine part is located in annular groove and can rotate along annular groove, described Air-vent is connected to via gas channels with annular groove.
As a kind of preferred structure of the utility model, the gas channels include that the first air flue and impeller support have Second air flue, the first air flue connection bleed ports and the second air flue, second air flue are connected to annular groove bottom.
As a kind of preferred structure of the utility model, first air flue is by sealing plate, top cover and impeller support side wall It surrounds, venthole is offered on the impeller support side wall, the venthole is for being connected to the first air flue and the second air flue.
As a kind of preferred structure of the utility model, the powder lot classifying apparatus further includes filter mechanism, the filtering Mechanism is set on air-vent.
As a kind of preferred structure of the utility model, the filter mechanism is filter screen or bleed cap.
As a kind of preferred structure of the utility model, the body includes top cover and side wall, the discharge port and air inducing Mouth is arranged on top cover, and the driving mechanism is located above top cover.
As a kind of preferred structure of the utility model, the powder lot classifying apparatus further includes air inlet, the air inlet It is set on organism sidewall.
As a kind of preferred structure of the utility model, the air-vent at least two.
As a kind of preferred structure of the utility model, the grading plant further includes discharging elbow, the discharging elbow It is tightly connected with the discharge port on body.
In the present invention, inventor additionally provides a kind of pulverizer, and the pulverizer includes disintegrating mechanism and powder Grading plant, the powder classification mechanism are above-mentioned powder lot classifying apparatus.
It being different from the prior art, above-mentioned technical proposal has the advantages that powder lot classifying apparatus described in the utility model, Bleed ports are added on body outer wall, and bleed ports are connected to by gas channels with annular groove, since outside air air pressure is big In internal body air pressure, so that the air of engine body exterior is introduced into annular groove, and then stop the highly concentrated gas containing powder It flows into the annular groove on impeller support and the gap between classifying turbine, prevents in the gap of powder between It is blocked caused by accumulation, influences the rotation of classifying turbine, to guarantee the powder screening efficiency and quality of grader.
Detailed description of the invention
Fig. 1 is a kind of part-structure schematic cross-sectional view of one embodiment of powder lot classifying apparatus of the utility model；
Fig. 2 is the enlarged diagram of part A in Fig. 1.
Description of symbols:
110, top cover；
120, side wall；
200, grader；
210, impeller support；211, annular groove；212, venthole；
220, classifying turbine；
300, discharge port；
400, air-vent；
500, power output shaft；
610, the first air flue；
620, the second air flue；
700, sealing plate；
800, bleed cap；
900, discharge elbow.
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality It applies example and attached drawing is cooperated to be explained in detail.
1 and Fig. 2 are please referred to, the utility model provides a kind of powder lot classifying apparatus, and the powder lot classifying apparatus includes machine Body and classification mechanism offer discharge port 300 and air-vent 400, the classification mechanism and discharge port 300 on the body outer wall Connection, classification mechanism include driving mechanism (not shown) and grader 200, and powder is after the screening of grader 200 by discharge port 300 outflows, the grader 200 include impeller support 210 and classifying turbine 220, the power output shaft 500 of the driving mechanism It is connect with classifying turbine 220, the impeller support 210 is fixed with body, and impeller support is provided with annular groove on 210 1 end face 211,220 part of classifying turbine is located in annular groove 211 and can rotate along annular groove 211, and the air-vent 400 is via gas Paths are connected to annular groove 211.
Main structure of the body of the powder lot classifying apparatus as the present apparatus, for install composition grading plant other Building block, body is interior to have cavity for being easy powder and classification mechanism to be fractionated.The classification mechanism is used to sieve powder Whether body is qualified.Specifically, the classification mechanism includes driving mechanism and grader 200, the grader 200 includes including leaf Wheeling support 210 and classifying turbine 220, the impeller support 210 is for installing the classifying turbine 220, the impeller support 210 An end face on offer for classifying turbine 220 rotate annular groove 211, enable classifying turbine 220 in Encircling pulley Limit under, smoothly rotated, the driving mechanism is then used to drive 220 turns of classifying turbine of grader 200 Dynamic, the driving mechanism can be motor or motor.In the present invention, body inner cavity is divided into two by impeller support 210 A part makes the powder that internal body must be discharged have to the screening by classifying turbine 220.The discharge port 300 is used for Outer fan is connected, to collect the qualified powder screened by grader 200.The air-vent 400 is then used for outside air Introduce, and ambient atmos be transported in annular groove 211 by gas channels, the gas channels be directly connected to bleed ports with Annular groove 211.In the present embodiment, the gas channels can be the pipeline of gas-guide tube, directly be connected to bleed by gas-guide tube Mouth and annular groove 211.
In the present invention, extraneous blower is evacuated by discharge port 300 by outside inside powder lot classifying apparatus, in body Inside forms negative pressure gas flow, then passes through powder honeycomb duct to grader 200 positioned at the powder of grading plant internal body, and described point Grade the high speed rotation under the drive of driving mechanism of impeller 220, the powder of quality weight under the action of 220 centrifugal force of classifying turbine, Classifying turbine 220 can not be crossed, the light classifying turbine 220 of crossing of powder particles enters in next device along discharge port 300, we In case, air-vent 400 is offered on the outer wall of body, and air-vent 400 and annular groove 211 are connected to by gas passage In, because internal body is that negative pressure is distinguished and admirable, the biggish outside air of air pressure is entered in body by bleed ports, and logical via gas Road is delivered directly to annular groove 211 then into body inner cavity, in this way under the washing away of outside air, can effectively hinder Gear highly concentrated air-flow containing powder enters the gap between the annular groove 211 on impeller support 210 and classifying turbine 220 In, blocking caused by accumulating in the gap of powder between is prevented, the rotation of classifying turbine 220 is influenced, to guarantee to be classified The powder screening efficiency and quality of machine 200.
Fig. 1 and Fig. 2 are please referred to, as a kind of preferred embodiment of the utility model, the gas channels include the first gas The second air flue 620 that road 610 and impeller support 210 have, first air flue 610 are connected to bleed ports and the second air flue 620, institute The second air flue 620 is stated to be connected to 211 bottom of annular groove.The gas channels, which are used as, is transported to classifying turbine for outside air Channel between 220 and annular groove 211.Specifically, the gas channels include that the first air flue 610 and impeller support 210 have The second air flue 620 having, first air flue 610 can be the inner passage of gas-guide tube, and bleed ports are connected to position by gas-guide tube The second air flue 620 inside impeller support 210, the gas space inside second air flue 620 namely impeller support 210 Chamber, gas can more convenient gas cavity from impeller support 210 enter the annular groove on impeller support 210 In 211, it is preferred that the bottom of the annular groove 211 offers several stomatas to be connected to the second air flue 620 and annular groove 211, it is supplied gas by multiple stomatas to the gap between 211 groove body of annular groove and classifying turbine 220, prevents powder from entering and make The better effect blocked at gap.As shown in Fig. 2, in other preferred embodiments, first air flue 610 is by sealing plate 700, top cover 110 and 210 side wall of impeller support surround, and offer venthole 212 on 210 side wall 120 of impeller support, described Venthole 212 is for being connected to the first air flue 610 and the second air flue 620.
Preferred embodiment shown in Fig. 1, the powder lot classifying apparatus further include filter mechanism, the filter mechanism setting In on air-vent 400.The filter mechanism is used to filter out the dust granule in air, only clean air is allowed to enter leaf In gap between wheeling support 210 and classifying turbine 220, better effect is purged to the air-flow of annular groove 211.Specifically, institute Stating filter mechanism is filter screen or bleed cap 800.
Referring to Fig. 1, a kind of preferred embodiment as the utility model, the body includes top cover 110 and side wall 120, the discharge port 300 and air-vent 400 are arranged on top cover 110, and the driving mechanism is located at 110 top of top cover.This Embodiment shows a kind of vertical powder lot classifying apparatus, more preferable using grading effect of such structure for powder, in the knot Grader 200 is located at the lower section of discharge port 300, extraneous exhaust fan in structure, it is easy to and drive tiny powder to rise, it is qualified Powder is discharged after being screened by classifying turbine 220 by discharge port 300, and the biggish powder of particle is because can not overcome itself weight Power rises along flow-guiding channel, plays the screening effect of the first step, in addition, impact of the material of weight by impeller, in self gravity It is fallen quickly under effect, powder screening effect is good.Specifically, the powder lot classifying apparatus further includes air inlet, the air inlet It is set on organism sidewall 120.The air inlet into body for supplying, because outer fan needs again internal body to take out Gas, it is therefore necessary to air inlet be set, the gas for being used for flowing is provided to internal body.
As a kind of preferred embodiment of the utility model, the air-vent 400 at least two.Setting at least two is drawn Air port 400 can be convenient outside air and enter in the gap between impeller support 210 and classifying turbine 220 from multiple channels, It prevents the blocking effect of dust more preferable, to promote the screening efficiency of grader 200, promotes the quality of finished product materials.
Referring to Fig. 1, a kind of preferred embodiment as the utility model, the grading plant further includes discharging elbow 900, the discharging elbow 900 is tightly connected with the discharge port 300 on body.The discharging elbow 900 is for connecting external powder Expect collection device (such as blower).The more convenient powder lot classifying apparatus of setting of discharging elbow 900 is connected to external equipment.
In the present invention, a kind of pulverizer is also disclosed, the pulverizer includes disintegrating mechanism and powder classification dress It sets, the powder classification mechanism is above-mentioned powder lot classifying apparatus.The disintegrating mechanism is used for the crushed work of hard ware material, The hard ware material that disintegrating mechanism is used to will be fed into pulverizer inner cavity is ground into powder, then close via powder lot classifying apparatus The screening of lattice subdivision.In the particular embodiment, the disintegrating mechanism can be ground with ring roll, impact grinding or air swept mill.
It should be noted that being not intended to limit although the various embodiments described above have been described herein The scope of patent protection of the utility model.Therefore, based on the innovative idea of the utility model, embodiment described herein is carried out Change and modification or equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly Or above technical scheme is used in other related technical areas indirectly, it is included in the protection model of the utility model patent Within enclosing.

Claims (10)

1. a kind of powder lot classifying apparatus, which is characterized in that the powder lot classifying apparatus includes body and classification mechanism, the body Discharge port and air-vent are offered on outer wall, the classification mechanism is connected to discharge port, and classification mechanism includes driving mechanism and divides Grade machine, powder are flowed out after grader screens by discharge port, and the grader includes impeller support and classifying turbine, the driving The power output shaft of mechanism is connect with classifying turbine, and the impeller support is fixed with body, and impeller support is provided on one end face Annular groove, classifying turbine part are located in annular groove and can rotate along annular groove, and the air-vent is via gas channels It is connected to annular groove.
2. powder lot classifying apparatus according to claim 1, which is characterized in that the gas channels include the first air flue and leaf The second air flue that wheeling support has, the first air flue connection bleed ports and the second air flue, second air flue and annular groove Bottom connection.
3. powder lot classifying apparatus according to claim 2, which is characterized in that first air flue by sealing plate, top cover and Impeller support side wall surrounds, and offers venthole on the impeller support side wall, the venthole for be connected to the first air flue and Second air flue.
4. powder lot classifying apparatus according to claim 1, which is characterized in that the powder lot classifying apparatus further includes filter Structure, the filter mechanism are set on air-vent.
5. powder lot classifying apparatus according to claim 4, which is characterized in that the filter mechanism is filter screen or bleed Cap.
6. powder lot classifying apparatus according to claim 1, which is characterized in that the body includes top cover and side wall, described Discharge port and air-vent are arranged on top cover, and the driving mechanism is located above top cover.
7. powder lot classifying apparatus according to claim 6, which is characterized in that the powder lot classifying apparatus further includes air inlet Mouthful, the air inlet is set on organism sidewall.
8. powder lot classifying apparatus according to claim 1, which is characterized in that the air-vent at least two.
9. powder lot classifying apparatus according to claim 1, which is characterized in that the grading plant further includes discharging elbow, Discharge port on the discharging elbow and body is tightly connected.
10. a kind of pulverizer, the pulverizer includes disintegrating mechanism and powder classification mechanism, which is characterized in that the powder point Grade mechanism is powder classification mechanism described in any one of claim 1-9.
CN201821081713.5U 2018-07-09 2018-07-09 A kind of powder lot classifying apparatus and pulverizer Active CN208878792U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821081713.5U CN208878792U (en) 2018-07-09 2018-07-09 A kind of powder lot classifying apparatus and pulverizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821081713.5U CN208878792U (en) 2018-07-09 2018-07-09 A kind of powder lot classifying apparatus and pulverizer

Publications (1)

Publication Number Publication Date
CN208878792U true CN208878792U (en) 2019-05-21

Family

ID=66506470

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821081713.5U Active CN208878792U (en) 2018-07-09 2018-07-09 A kind of powder lot classifying apparatus and pulverizer

Country Status (1)

Country Link
CN (1) CN208878792U (en)

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