CN206435470U - Powder classifier - Google Patents

Abstract

The utility model is related to a kind of powder classifier.The powder classifier includes air intake assembly, classification case and collection assembly, the air intake assembly includes air inlet pipe and feed hopper, the classification case includes casing and two Condar blocks, guide clearance is formed between described two Condar blocks, the bottom interval of the casing offers multiple discharging openings, the collection assembly includes main gas flow pipe and multiple convergent-divergent channels, the multiple convergent-divergent channel is corresponded with the multiple discharging opening and connected, and one end of the convergent-divergent channel is connected with bagroom.Insertion offers bar hole on the side wall of the casing, and the side wall of the casing is additionally provided with trimmer, and the trimmer gear is on the bar hole.The air inlet pipe of the powder classifier is not easily blocked and the scope of application is wider.

Description

Powder classifier

Technical field

The utility model is related to a kind of powder classifier.

Background technology

Jet Classifier for Super is one kind of dry air grader, also known as static rank or inertia force classifier, and it is different from one As carry the gas flow sizing machines of rotatable parts, there is no any movable member in its body, its principle is derived from widely known health Up to effect (Coanda Effect).So also known as Condar Jet Classifier for Super.Micro mist material is broken up in the presence of gases at high pressure Laggard incident current classifier body, in the presence of Coanda effect, fine grained is close to Condar block, and middle particle is in middle part, greatly Particle is away from Condar block.So cause micro powder granule moment be divided into carefully, in, thick three-level.Dust quilt in the collector in downstream It is separately recovered.General Jet Classifier for Super includes feed hopper and air inlet pipe, and the air inlet pipe is vertically installed in the air inlet pipe On.However, when powder is poured in from the feed hopper in the air inlet pipe, easily causing blocking.Moreover, the jet Grader is normally only applied to being fixed several classes by powder, and without arbitrarily change, therefore it is smaller using scope.

Utility model content

Based on this, it is necessary to provide the powder classifier that a kind of air inlet pipe is not easily blocked and the scope of application is wider.

A kind of powder classifier, including：Air intake assembly, classification case and collection assembly, the air intake assembly include air inlet The feed hopper in the air inlet pipe is managed and is arranged at, the relatively described air inlet pipe of the feed hopper is obliquely installed, the classification case Including casing and two Condar blocks being arranged in the casing, it is formed between described two Condar blocks between guiding Gap, the side wall of casing described in the air inlet pipe insertion is simultaneously connected with the guide clearance, and the bottom interval of the casing is offered Multiple discharging openings, the collection assembly includes main gas flow pipe and the multiple convergent-divergent channels being arranged in the main gas flow pipe, institute State multiple convergent-divergent channels to connect with the multiple discharging opening one-to-one corresponding, one end of the convergent-divergent channel is connected with bag collection Device；Insertion offers bar hole on the side wall of the casing, and the both sides of the guide clearance are respectively arranged with multiple locating dowels, institute The side wall for stating casing is additionally provided with trimmer, and the trimmer gear is on the bar hole, the both sides difference of the trimmer Multiple locating slots are formed with, the multiple locating dowel is adjustably arranged in the multiple locating slot correspondingly, described The end of air inlet pipe is fixed and is arranged on the trimmer and is connected with the guide clearance.

In wherein one embodiment, the side wall of the casing, which is concavely provided with multiple accepting holes, the trimmer, to be set It is equipped with multiple elasticity and pulls and supports part, the end one-to-one corresponding that the multiple elasticity pulls and supports part is fixed in the multiple accepting hole.

In wherein one embodiment, multiple elastics are convexly equipped with the trimmer, the multiple elasticity pulls and supports part It is connected on the multiple elastic.

In wherein one embodiment, insertion offers passage, the position pair of the passage on the trimmer The middle part of bar hole described in Ying Yu, the air inlet pipe is connected in the passage.

In wherein one embodiment, the seal groove for putting annular, the seal groove are also opened up on the side wall of the casing Set around the bar hole, be convexly equipped with two sealing strips on the trimmer, described two sealing strips are arranged in described close In sealing groove.

In wherein one embodiment, periphery setting of the multiple locating dowel around the seal groove.

In wherein one embodiment, the multiple accepting hole be located at the seal groove and the multiple locating dowel it Between.

In wherein one embodiment, the trimmer is strip piece, and the size of the trimmer is more than the bar shaped The size in hole.

Because the relatively described air inlet pipe of the feed hopper is obliquely installed, rather than it is vertical with air inlet pipe, therefore can be relative The blocking caused by powder is poured in the air inlet pipe is reduced, the probability of the charging blockage is reduced.Drawn due to described Wa Er pipes can form negative pressure, so that using the powders at different levels of the multiple discharge outlet of the negative pressure absorbing, so as to be conducive to Realize the automatic collection of multistage powder.By the mobile trimmer, the locating dowel is set to be caught in adjacent locating slot, so that The movement of the trimmer can be achieved, and then adjusts the angle of inclination of the air inlet pipe and the classification phase, so as to adjust The drift distance of varigrained powder, makes it fall into corresponding discharging opening so that the scope of application of the powder classifier It is wider.

Brief description of the drawings

Fig. 1 is the top view of the powder classifier of an embodiment.

Fig. 2 is the side view of the powder classifier of an embodiment.

Fig. 3 is the end view of the classification case of an embodiment.

Fig. 4 is the air intake assembly of an embodiment and the schematic diagram of vibration component.

Fig. 5 is the partial view of the madial wall of the casing of an embodiment.

Fig. 6 is the side view of the feeding assembly, classification case and governor motion of an embodiment.

Fig. 7 is the cleaning assembly of an embodiment and the partial sectional view in classification bottom portion.

Fig. 8 is the schematic diagram of the release block of an embodiment.

Embodiment

To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings to this The embodiment of utility model is described in detail.Elaborate many details in order to abundant in the following description Understand the utility model.But the utility model can be implemented with being much different from other manner described here, this area Technical staff can do similar improvement in the case of without prejudice to the utility model intension, therefore the utility model is not by following public affairs The limitation for the specific implementation opened.

The utility model is related to a kind of powder classifier.The powder classifier includes：Air intake assembly, classification case and receipts Collect component, the air intake assembly includes air inlet pipe and the feed hopper being arranged in the air inlet pipe, and the feed hopper is with respect to institute Air inlet pipe is stated to be obliquely installed.For example, the classification case includes casing and two Condar blocks being arranged in the casing, institute State and be formed with guide clearance between two Condar blocks, the side wall of casing described in the air inlet pipe insertion and with the guide clearance Connection.For example, the bottom interval of the casing offers multiple discharging openings, the collection assembly includes main gas flow pipe and setting In multiple convergent-divergent channels in the main gas flow pipe, the multiple convergent-divergent channel is corresponded with the multiple discharging opening and connected, One end of the convergent-divergent channel is connected with bagroom；Insertion offers bar hole, the guiding on the side wall of the casing The both sides in gap are respectively arranged with multiple locating dowels.For example, the side wall of the casing is additionally provided with trimmer, the trimmer gear On the bar hole, the both sides of the trimmer are respectively formed with multiple locating slots, and the multiple locating dowel is corresponded Ground is adjustably arranged in the multiple locating slot, the end of the air inlet pipe fix be arranged on the trimmer and with institute State guide clearance connection.

Refer to Fig. 1 and Fig. 2, a kind of powder classifier 100, including air intake assembly 10, classification case 20 and collection assembly 30, the air intake assembly includes air inlet pipe 11 and the feed hopper 13 being arranged in the air inlet pipe, and the feed hopper is with respect to institute State air inlet pipe to be obliquely installed, the classification case includes casing 21 and two Condar blocks 23 being arranged in the casing, institute State and be formed with guide clearance 231 between two Condar blocks, the side wall of casing described in the air inlet pipe insertion and with the guiding Gap is connected, and the bottom interval of the casing offers multiple discharging openings 25, the collection assembly include main gas flow pipe 31 and Multiple convergent-divergent channels 33 in the main gas flow pipe are arranged at, the multiple convergent-divergent channel is corresponded with the multiple discharging opening Connection, i.e. the connection corresponding with a discharging opening of each convergent-divergent channel, one end of the convergent-divergent channel is connected with bagroom 35.

Because the relatively described air inlet pipe of the feed hopper is obliquely installed, rather than it is vertical with air inlet pipe, therefore can be relative The blocking caused by powder is poured in the air inlet pipe is reduced, the probability of the charging blockage is reduced.Drawn due to described Wa Er pipes can form negative pressure, so that using the powders at different levels of the multiple discharge outlet of the negative pressure absorbing, so as to be conducive to Realize the automatic collection of multistage powder.

For example, for the ease of the movement of the casing, the powder classifier also includes moving assembly 40, described mobile group Part includes multiple support bars 41 and the annular brace bar 42 being arranged on the multiple support bar, that is, the moving assembly Including annular brace bar and multiple support bars, each support bar is connected with annular brace bar respectively；Projection on the annular brace bar There are two racks 43, described two racks are parallel to each other and are arranged at intervals, the bottom margin of the casing is provided with two groups of teeth wheel 26, the two groups of teeth wheel is oppositely arranged and is engaged in respectively on described two racks.Because the two groups of teeth wheel is engaged in respectively On described two racks, therefore the two groups of teeth wheel is driven in rotation on described two racks by casing, you can realize described The movement of casing.And engaging due to the two groups of teeth wheel and described two racks, therefore can also produce certain retardance Power, can prevent the casing to be moved because of accident collision.

For example, for the ease of the species of the various sizes of powder collected by adjustment cloth dust collector, the collection assembly Also include air compressor 37, the air compressor is connected with the main gas flow pipe.The company of offering on the side wall of the casing Hole is connect, the connecting hole is connected with the guide clearance, the end of the air inlet pipe is arranged in the connecting hole.It is described to collect Component also includes multiple connecting tubes 32, and the multiple connecting tube connects one to one on the multiple convergent-divergent channel, the cloth Bag collector is connected to end of the connecting tube away from the convergent-divergent channel.The collection assembly also includes multiple collecting pipes 34, the multiple collecting pipe is corresponded on the multiple discharging opening of connection, the one end of the collecting pipe away from the discharging opening It is connected in the connecting tube.Also referring to Fig. 3, the collection assembly also includes being spaced on moving sheet 36, the moving sheet Multiple connectors are offered, the multiple connector is corresponded with the multiple discharging opening and connected, the end of each collecting pipe It is fixed on the periphery of corresponding connector.The moving sheet is slidingly arranged at the bottom of the casing.The width of the moving sheet Degree is less than the distance between described two racks.The bottom of the casing is convexly equipped with two cards and sets bar 27, and the card, which is set in bar, to be opened Groove is set provided with card, the both sides of the moving sheet are contained in described two cards and set in groove respectively.It is provided with the annular brace bar Elastic drag rope, one end of the elastic drag rope is connected to the edge of the moving sheet.For example, when by adjusting in the air inlet pipe Be divided into three fractions of the powder by are changed to powder being divided into two-stage by the pressure of compressed air, the powder classifier, Then the discharge outlet of the third level can be without cloth bag collector, then can be by the mobile moving sheet, so that cloth bag dust The different discharging opening of device correspondence, so as to collect the dust of different stage.

Referring to Fig. 4, for example, being provided with vibration component on blocking in order to further avoid feed hopper, the feed hopper 50, the vibration component includes vibrating member 51, connecting rod 53 and the collar 55, and the collar is sheathed on the feed hopper, described The two ends of connecting rod are connected to the vibrating member and on the collar, the feed hopper is connected with the air inlet pipe by flexible pipe Connect, the axis of the feed hopper and the axis of the air inlet pipe are obliquely installed.The vibrating member drives the collar by connecting rod Vibration, the collar pulls the feed hopper to be vibrated, so as to avoid the accumulation and assembly of powder in the feed hopper, So that the powder disperses and slid into the air inlet pipe, and driven by the air inlet pipe into the classification case.For example, institute That states connecting rod convexedly stretches in the side of the collar, and is held in the feed hopper, then the vibrating member can be utilized further The connecting rod taps or back and forth promotes the feed hopper, to strengthen vibrating effect.

For example, in order that the powder in the feed hopper is smoothly entered in the air inlet pipe, the feed hopper is circular cone Tubular.The inner side stacking of the feed hopper is provided with basic unit with increasing slip layer.The thickness of the basic unit is more than the thickness of the increasing slip layer Degree.The thickness for increasing slip layer is 1-2.5 millimeters.The thickness edge for increasing slip layer gradually increases towards the direction of the air inlet pipe Greatly.Rubber layer is provided with the inside of the collar side.The thickness of the rubber layer is 2-3 millimeters.Due to the inner side of the feed hopper Increasing slip layer is provided with, therefore, it is possible to improve the slip smooth degree of powder.And the rubber layer on the inside of the collar can then prevent institute State hard collision of the vibrating member to the feed hopper.

Referring to Fig. 5, for example, offering bar to adjust insertion on the classification specification to powder, the side wall of the casing Shape hole, the both sides of the guide clearance are respectively arranged with multiple locating dowels 211, and the side wall of the casing is additionally provided with trimmer 212, the trimmer gear is on the bar hole, and the both sides of the trimmer are respectively formed with multiple locating slots 213, described Multiple locating dowels are adjustably arranged in the multiple locating slot, and the end of the air inlet pipe, which is fixed, is arranged in the trimmer Connect above and with the guide clearance.By the mobile trimmer, the locating dowel is set to be caught in adjacent locating slot, so that The movement of the trimmer can be achieved, and then adjusts the angle of inclination of the air inlet pipe and the classification phase, so as to adjust The drift distance of varigrained powder, makes it fall into corresponding discharging opening so that the scope of application of the powder classifier It is wider.

For example, in order that trimmer is close on the side wall of the casing, the side wall of the casing is concavely provided with multiple Multiple elasticity are provided with accepting hole, the trimmer and pull and support part, the end that the multiple elasticity pulls and supports part corresponds fixation In the multiple accepting hole.Multiple elastics are convexly equipped with the trimmer, the multiple elasticity pulls and supports part and is connected to On the multiple elastic.Insertion offers passage on the trimmer, and the position of the passage corresponds to the bar shaped The middle part in hole, the air inlet pipe is connected in the passage.The seal groove for putting annular, institute are also opened up on the side wall of the casing State seal groove to set around the bar hole, be convexly equipped with two sealing strips on the trimmer, described two sealing strips, which block, to be set In the seal groove.Periphery setting of the multiple locating dowel around the seal groove.The multiple accepting hole is located at described Between seal groove and the multiple locating dowel.The trimmer is strip piece, and the size of the trimmer is more than the bar hole Size.Part is pulled and supported due to being provided with multiple elasticity on the trimmer, therefore the multiple elasticity pulls and supports part can pull and support institute Trimmer is stated to be attached on the madial wall of the casing.And when the height for the end for needing to adjust the air inlet pipe, can pass through The trimmer is pulled to move up and down to realize.And when pulling the trimmer, the multiple elasticity is pulled and supported part elongation, then The multiple locating dowel is set to be directed at adjacent locating slot.The trimmer is finally discharged, the multiple elasticity pulls and supports part and drives institute Trimmer is stated to fit on the madial wall of the casing.

For example, being provided with flexible layer, the flexible layer on the feed rate for the ease of controlling feed hopper, the feed hopper For strip piece, its inner side is convexly equipped with arc gear and sets rib, and the powder classifier also includes governor motion, and the governor motion includes Actuator and cam is compressed, the cam that compresses is connected on the output shaft of the actuator, and the actuator can drive It is described compress cam rotation, it is described compress to be formed with cam compress end, the governor motion also include cleaning assembly, it is described clearly Managing component includes Transmission gear, drive gear, screw rod and screw piece, and the Transmission gear is set with the cam coaxial that compresses Put, the drive gear is meshed with the Transmission gear, the screw rod is fixed and is arranged in the drive gear, described to screw togather Part is screwed together on the screw rod.It is provided with the outside of the screw rod on the inside of external screw thread, the screw piece and is provided with internal thread, the spiral shell Component is sheathed on the screw rod, and the external screw thread of the internal thread of the screw piece and the screw rod is mutually screwed togather.The casing bottom Portion, which is provided with guiding bar, the guiding bar, offers stopper slot, and the stopper slot is bar-shaped trough, and the screw piece is rectangular-shaped And be slideably positioned in the stopper slot.The also insertion of the bottom of the casing offers gas hole, and the bottom half is provided with Insufflation channel, the insufflation channel is connected with the gas hole, and one end of the insufflation channel is connected to compressed nitrogen gas tank, described Compressed nitrogen gas tank is arranged on the guiding bar.Offer and set in plugging hole, the plugging hole on the side wall of the insufflation channel It is equipped with plugging block.The screw piece is convexly equipped with release block away from the side of the guiding bar, and the screw rod can drive the spiral shell The release block of component is pressed on the plugging block so that the plugging block is removed.The Transmission gear and the drive gear Gearratio is 5:1, the plugging block is disc block and blocks the insufflation channel.The release block is disc block, The axial direction of the release block is axially in parallel with the plugging block.The release block includes honeycomb ceramics and is sheathed on the honeycomb The closed-loop of body periphery, the axial direction of the closed-loop is vertical with the length direction of the guiding bar.The one of the closed-loop Side, which is provided with, compresses convex portion, and described compress is provided with concave surface on convex portion, the concave surface be arc-shaped concave, the concave surface with it is described The circumferential surface of plugging block matches.The concave surface of the press block can fit and be held on the circumferential surface of the plugging block.Institute The bottom for stating casing is arranged with blowing groove and is equiped with air blowing shield, and the air blowing shield is covered on the blowing groove, so that in institute State and the insufflation channel is formed in air blowing shield.The plugging hole is opened on the air blowing shield.The plugging block is blocked and is arranged at Block in the plugging hole and laterally the insufflation channel.It is further opened with installing groove, the installing on the bottom surface of the blowing groove The rectangular cross-section of groove, the installing groove is blind slot.The side of the plugging block is contained in the installing groove.The installing groove In be provided with compression spring, the compression spring is arranged in the installing groove and is connected with the plugging block.The plugging block Side away from the compression spring is formed with the face of compressing, described to compress the outside that face is exposed to the air blowing shield.It is described to screw togather Concave surface on the pressure section of part, which can be thrown, fits in the compressing on face of the plugging block.Multiple cleanings are provided with the honeycomb ceramics Hole, honeycomb ceramics described in the multiple clean-out hatch insertion.The extension axis of the multiple clean-out hatch is parabola, the multiple cleaning Offer multiple wind guide tanks on the side wall in hole, the side of the casing be additionally provided with lattice portion, the lattice portion offer it is many Individual diamond-shaped meshes, the side of the lattice portion, which is rotated, is provided with baffle plate, and the baffle plate is contained in the casing, the lattice portion Outside be provided with efferent duct, the efferent duct is connected in a liquid tank.The bottom of the casing is additionally provided with pushing and pressing bar, One end of the pushing and pressing bar connects the baffle plate, and the described one end of pushing and pressing bar away from the baffle plate is formed with pushing and pressing part, described to push away Toughness block is set in support, and the sticky block is plasticine block, the outside cladding rubber sleeve of the plasticine block.Institute State the screw piece pushing and pressing sticky block to deform and be compressed on the pushing and pressing part, the side wall of the casing is concavely provided with sliding groove, The catch bar is slidingly arranged in the sliding groove, and the pushing and pressing part is to offer multiple breach on cylindrical shape, its side wall, The rubber sleeve is arranged in the pushing and pressing part.Extension spring is additionally provided with the baffle plate, one end of the extension spring connects the gear The edge of plate, the other end is connected on the plugging block.The also insertion of the bottom of the casing offers inclined hole, and the inclined hole is with respect to institute Installing groove is stated to be obliquely installed.The side of the inclined hole is connected with the installing groove by slit, and the extension spring is arranged in described oblique In hole and it is connected on the plugging block.The coefficient of elasticity of the extension spring is less than the coefficient of elasticity of the compression spring, the pressure The pushing force of contracting spring is more than the pulling force of the extension spring.The section of the inclined hole is to be provided with cunning in the middle part of circle, the extension spring Dynamic to block post, the slide post stick harness is fixed in the extension spring and is slidingly arranged in the inclined hole, and described slide blocks The side of post is formed with blocking sidepiece, and the blocking sidepiece is slidingly arranged in the slit.The blocking post that slides includes Barrel-type casing and the heat dissipation base being contained in the barrel-type casing, the blocking sidepiece are convexly equipped in the side of the barrel-type casing On wall, sliding layer is provided with the outside of the barrel-type casing, the madial wall of the sliding layer and the inclined hole slides setting.It is described The angle of 18 degree of formation between the bearing of trend of the axis of inclined hole and the installing groove.

In order to describe the structure and beneficial effect of the governor motion in further detail, Fig. 6 and Fig. 7 is referred to, it is described Flexible layer 131 is provided with feed hopper, the flexible layer is strip piece, and its inner side is convexly equipped with arc gear and sets rib, the powder point Class machine also includes governor motion 60, and the governor motion includes actuator 61 and compresses cam 62, described to compress cam connection In on the output shaft of the actuator, the actuator can drive it is described compress cam rotation so that it is described compress it is convex Wheel is pressed on the flexible layer, and then adjusts the feed rate in the feed hopper.For example, described compress is formed with cam Compress end 621, when it is described compress cam compress end compress completely on the flexible layer of the feed hopper when, then can utilize arc Gear sets rib and closes the feed hopper.For example, after the powder classifier is shut down, the feed hopper is supported by the cam that compresses The flexible layer closing of pressure, and for the ease of clearing up the classification case, the governor motion also includes cleaning assembly, the cleaning group Part includes Transmission gear 63, drive gear 64, screw rod 65 and screw piece 66, and the Transmission gear compresses cam coaxial with described Set, the drive gear is meshed with the Transmission gear, the screw rod is fixed and is arranged in the drive gear, the spiral shell Component is screwed together on the screw rod.For example, being provided with external screw thread on the outside of the screw rod, interior spiral shell is provided with the inside of the screw piece Line, the screw piece is sheathed on the screw rod, and the external screw thread of the internal thread of the screw piece and the screw rod is mutually screwed togather.Example Such as, the bottom half is provided with guiding bar 28, the guiding bar and offers stopper slot 281, and the stopper slot is bar-shaped trough, The screw piece is rectangular-shaped, and is slideably positioned in the stopper slot.When the screw rod rotates, the screw piece is only capable of edge The bar-shaped trough is moved up and down.For example, the also insertion of the bottom of the casing offers gas hole 214, for when shutting down to institute State and be blown into nitrogen in casing to clean the dust remained in the casing.For example, the bottom half is provided with air blowing Passage 215, the insufflation channel is connected with the gas hole, and one end of the insufflation channel is connected to compressed nitrogen gas tank 216, institute Compressed nitrogen gas tank is stated to be arranged on the guiding bar.Plugging hole 2151 is offered on the side wall of the insufflation channel, it is described to block Plugging block 67 is provided with hole, to prevent compressed nitrogen from being blown into the casing.The screw piece is away from the guiding bar Side be convexly equipped with release block 661, the screw rod release block of the screw piece can be driven to press on the plugging block so that The plugging block is removed, and then causes the insufflation channel connection, so that the nitrogen in the compressed nitrogen gas tank is blown by described Play passage to be blown into the casing, the residual dust in the casing is purged.Meanwhile, the nitrogen can play isolation Effect, to prevent dust explosion in the casing.

For example, in order to improve drive efficiency, the gearratio of the Transmission gear and the drive gear is 5:1, when described When compressing cam and pressing on the feed hopper, the screw piece can be pressed on the plugging block, to cause the compression The nitrogen of nitrogen pot release enters in the casing.For example, the plugging block is disc block and blocks described using end face Insufflation channel.The release block is also disc block, for example, the axial direction of the closed-loop and the axial direction of the plugging block are put down OK.Also referring to Fig. 8, the release block includes honeycomb ceramics 6611 and is sheathed on the closed-loop of the honeycomb ceramics periphery 6613, the axial direction of the closed-loop is vertical with the length direction of the guiding bar.The side of the closed-loop be provided with to Belling portion 6615, described compress is provided with concave surface on convex portion, the concave surface is arc-shaped concave, the concave surface and the plugging block Circumferential surface match.The concave surface of the press block can fit and be held on the circumferential surface of the plugging block.For example, described The bottom of casing is arranged with blowing groove and is equiped with air blowing shield 217, and the air blowing shield is covered on the blowing groove, so that in institute State and the insufflation channel is formed in air blowing shield.The plugging hole is opened on the air blowing shield.The plugging block is blocked and is arranged at Block in the plugging hole and laterally the insufflation channel.It is further opened with installing groove 218, the dress on the bottom surface of the blowing groove If the rectangular cross-section of groove, the installing groove is blind slot, i.e., the side wall of casing described in described installing groove not insertion.The plugging block Side be contained in it is described installing groove in.For example, being provided with compression bullet for the ease of housing in the plugging block, the installing groove Spring 219, the compression spring is arranged in the installing groove and is connected with the plugging block.The plugging block is away from the compression The side of spring is formed with the face of compressing, described to compress the outside that face is exposed to the air blowing shield.On the pressure section of the screw piece Concave surface can throw and fit in the compressing on face of the plugging block, the screw piece can drive the release block by the plugging block Compress into the installing groove so that the side of the closed-loop fits in the bottom surface of the blowing groove, opposite side with The air blowing shield is concordant, and the honeycomb ceramics then keeps off one end located at the gas hole.For example, being provided with the honeycomb ceramics many Individual clean-out hatch 6612, honeycomb ceramics described in the multiple clean-out hatch insertion, so that and the insufflation channel is connected.The compression Multiple clean-out hatch that compressed nitrogen in nitrogen pot can laterally wear the honeycomb ceramics are gone forward side by side and enter institute via the gas hole State in casing.For example, the extension axis of the multiple clean-out hatch is parabola, offered on the side wall of the multiple clean-out hatch many Individual wind guide tank, the multiple wind guide tank can be guided to the direction of air-flow, so that being blown out from the honeycomb ceramics side Gas can more disperse, along all angles enter the casing in, so as to be cleaned to the dust in the casing.

For example, for the ease of collecting residual dust, the side of the casing, which is additionally provided with lattice portion, the lattice portion, opens Provided with multiple diamond-shaped meshes, the side of the lattice portion, which is rotated, is provided with baffle plate, and the baffle plate is contained in the casing, described Efferent duct is provided with the outside of lattice portion, the efferent duct is connected in a liquid tank.When the powder classifier works, The baffle plate gear sets the lattice portion, so that the powder classifier normal work., can be with when the powder classifier is shut down The baffle plate is opened, and the gas in the compressed nitrogen gas tank is blown into the casing, the residual dust energy in the casing The efferent duct is enough entered by the lattice portion, and imported by the efferent duct in liquid tank, so as to be collected in liquid In tank.For example, the bottom of the casing is additionally provided with pushing and pressing bar, one end of the pushing and pressing bar connects the baffle plate, described to push away The one end of support rod away from the baffle plate is formed with setting toughness block on pushing and pressing part, the pushing and pressing part, and the sticky block is rubber Clod body, the outside cladding rubber sleeve of the plasticine block.Due to being provided with deformable plasticine on the pushing and pressing part Block, therefore, it is possible to cause the screw piece to be relatively easily directed at the plasticine block, improves contraposition stability.When the spiral shell When component compresses the plugging hole and connects the insufflation channel, the screw piece pushes against the sticky block and deforms and be compressed to institute State on pushing and pressing part, so that the baffle plate is rotated using the pushing and pressing bar, to open the baffle plate.Now, the powder in the casing Dirt by the clathrum and can enter in the efferent duct under the promotion of compressed nitrogen.For example, for the ease of installing institute Pushing and pressing bar is stated, the side wall of the casing is concavely provided with sliding groove, and the catch bar is slidingly arranged in the sliding groove, described Pushing and pressing part is cylindrical shape, and multiple breach are offered on its side wall, and the rubber sleeve is arranged in the pushing and pressing part.Due to the case Sliding groove is offered on the side wall of body, therefore, it is possible to produce certain guiding function to the catch bar, the pushing and pressing bar is prevented Freely swing.

For example, for the ease of when the powder classifier works, the baffle plate can be closed automatically, on the baffle plate also Extension spring 68 is provided with, one end of the extension spring connects the edge of the baffle plate, and the other end is connected on the plugging block.For example, institute The bottom also insertion for stating casing offers inclined hole 69, and the relatively described installing groove of the inclined hole is obliquely installed.The side of the inclined hole Connected with the installing groove by slit, the extension spring is arranged in the inclined hole and is connected on the plugging block.For example, institute The coefficient of elasticity for stating extension spring is less than the coefficient of elasticity of the compression spring, i.e., the pushing force of described compression spring is more than the extension spring Pulling force.When the powder classifier works, the plugging block can be jammed in described in the presence of the compression spring Blow afloat in passage.When the screw piece pushes against the plugging block, under the cooperation of the extension spring, the plugging block can be taken in It is dissolved in the installing groove, meanwhile, the screw piece also drives the baffle plate to open using the pushing and pressing bar.In order to keep close Envelope, the section of the inclined hole is to be provided with slip in the middle part of circle, the extension spring to block post 681, and the slide post stick harness is fixed In in the extension spring and being slidingly arranged in the inclined hole, described slide blocks the side of post and is formed with blocking sidepiece, described Sidepiece is blocked to be slidingly arranged in the slit, so that the rectangle of installing groove one completion of formation, to keep oblique The sealing effectiveness in hole.For example, described slide blocks the radiating base that post includes barrel-type casing and is contained in the barrel-type casing Body, the blocking sidepiece is convexly equipped on the side wall of the barrel-type casing, and the heat dissipation base can play certain thermolysis. Sliding layer is provided with the outside of the barrel-type casing, the madial wall of the sliding layer and the inclined hole slides setting.For example, described The angle of 18 degree of formation between the bearing of trend of the axis of inclined hole and the installing groove.Compressed described in the actuator drives When cam compresses the feed hopper, the screw piece can synchronously push against the plugging block to open the gas hole, and described Extension spring can discharge the baffle plate again, the baffle plate is opened under the pushing and pressing of the screw piece.So pass through the rotation of actuator Three actions can synchronously be realized by turning driving, and then realize that the automation of the casing is cleaned, and the compressed nitrogen and energy Enough prevent the dust explosion in the casing.

The technical characteristic that other embodiments of the present utility model are also included in the various embodiments described above is mutually combined what is formed The technical scheme that can implement.

Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed, But therefore it can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that for the common of this area For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (8)

1. a kind of powder classifier, it is characterised in that including air intake assembly, classification case and collection assembly, the air intake assembly Including air inlet pipe and the feed hopper being arranged in the air inlet pipe, the relatively described air inlet pipe of the feed hopper is obliquely installed, institute Stating classification case includes being formed between casing and two Condar blocks being arranged in the casing, described two Condar blocks Guide clearance, the side wall of casing described in the air inlet pipe insertion is simultaneously connected, the bottom interval of the casing with the guide clearance Multiple discharging openings are offered, the collection assembly includes main gas flow pipe and the multiple Lavalles being arranged in the main gas flow pipe Pipe, the multiple convergent-divergent channel is corresponded with the multiple discharging opening and connected, and one end of the convergent-divergent channel is connected with cloth bag Dust-precipitator；

Wherein, insertion offers bar hole on the side wall of the casing, and it is multiple fixed that the both sides of the guide clearance are respectively arranged with Position post, the side wall of the casing is additionally provided with trimmer, and the trimmer gear is on the bar hole, and the two of the trimmer Side is respectively formed with multiple locating slots, and the multiple locating dowel is adjustably arranged in the multiple locating slot correspondingly In, the end of the air inlet pipe, which is fixed, to be arranged on the trimmer and is connected with the guide clearance.

2. powder classifier as claimed in claim 1, it is characterised in that the side wall of the casing is concavely provided with multiple collectings Multiple elasticity are provided with hole, the trimmer and pull and support part, the end one-to-one corresponding that the multiple elasticity pulls and supports part is fixed on institute State in multiple accepting holes.

3. powder classifier as claimed in claim 2, it is characterised in that multiple elastics, institute are convexly equipped with the trimmer State multiple elasticity and pull and support part and be connected on the multiple elastic.

4. powder classifier as claimed in claim 2, it is characterised in that insertion offers passage on the trimmer, institute The position for stating passage corresponds to the middle part of the bar hole, and the air inlet pipe is connected in the passage.

5. powder classifier as claimed in claim 4, it is characterised in that also opened up on the side wall of the casing and put the close of annular Sealing groove, the seal groove is set around the bar hole, and two sealing strips, described two sealing strips are convexly equipped with the trimmer It is arranged in the seal groove.

6. powder classifier as claimed in claim 5, it is characterised in that the multiple locating dowel is around the outer of the seal groove Enclose setting.

7. powder classifier as claimed in claim 6, it is characterised in that the multiple accepting hole is located at the seal groove and institute State between multiple locating dowels.

8. powder classifier as claimed in claim 1, it is characterised in that the trimmer is strip piece, the trimmer Size is more than the size of the bar hole.