CN116408260B - Powder screening device capable of reducing pollution and blocking net - Google Patents
Powder screening device capable of reducing pollution and blocking net Download PDFInfo
- Publication number
- CN116408260B CN116408260B CN202310687846.6A CN202310687846A CN116408260B CN 116408260 B CN116408260 B CN 116408260B CN 202310687846 A CN202310687846 A CN 202310687846A CN 116408260 B CN116408260 B CN 116408260B
- Authority
- CN
- China
- Prior art keywords
- screen
- wall
- expansion
- annular
- ring
- 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
- 239000000843 powder Substances 0.000 title claims abstract description 40
- 238000012216 screening Methods 0.000 title claims abstract description 24
- 230000000903 blocking effect Effects 0.000 title claims abstract description 21
- 238000006049 ring expansion reaction Methods 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims description 54
- 238000007599 discharging Methods 0.000 claims description 52
- 238000003860 storage Methods 0.000 claims description 39
- 239000004579 marble Substances 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 39
- 239000004744 fabric Substances 0.000 abstract description 36
- 230000000694 effects Effects 0.000 abstract description 11
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000003746 surface roughness Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 27
- 238000009434 installation Methods 0.000 description 10
- 230000009471 action Effects 0.000 description 9
- 238000007873 sieving Methods 0.000 description 9
- 230000005484 gravity Effects 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000003814 drug Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010009 beating Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 239000008101 lactose Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- HEFNNWSXXWATRW-UHFFFAOYSA-N Ibuprofen Chemical compound CC(C)CC1=CC=C(C(C)C(O)=O)C=C1 HEFNNWSXXWATRW-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 229960001680 ibuprofen Drugs 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/48—Stretching devices for screens
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The application provides a powder screening device for reducing pollution and blocking a net, and relates to the field of screening. The powder screening device for reducing pollution and blocking net comprises: a shaker assembly and a screen assembly. The screen assembly includes a support ring member, an outer ring expansion member, a screen, and an expansion jack. This screen powder device of pollution reduction and stifled net compresses tightly the screen cloth at the screen frame inner wall through the outside expansion of outer ring expansion member, form first seal, and the screen cloth limit mouth compresses tightly on the supporting ring, form the second seal, improve the success rate of raw materials screen powder through the twice seal, reduce because of the condition that the single seal is not tight to appear reworking, in addition compress tightly the screen cloth at the screen frame inner wall through the outside expansion of outer ring expansion member mode, the outside expansion drives the outside expansion of screen cloth and provides initial tightening force, the tightening mode of pulling relatively manual work, the outside expansion forms stable tightening force to the screen cloth, have the effect that improves screen cloth upper surface roughness.
Description
Technical Field
The application relates to the technical field of screening, in particular to a powder screening device for reducing pollution and blocking a net.
Background
The screening is a method for separating particle groups according to the powder properties such as particle size, specific gravity, electrification, magnetism and the like, and the operation of separating mixed materials with different particle sizes into various particle size grades by using a screen surface with holes is called screening. The vibration powder sieving machine is common sieving equipment, in the processing of ibuprofen particles, the particles with the total mass of more than 70% are required to be used as pre-mixed auxiliary materials, the sieved auxiliary materials can be dispersed and removed to promote the mixing uniformity of medicines, the preparation of various medicine dosage forms can be facilitated, the mixing uniformity of medicines can be accelerated, meanwhile, the preparation, the administration and the drug effect are convenient, in order to achieve the qualified lactose mesh number, lactose is required to be sieved, the auxiliary materials with the qualified sieving are collected, and the auxiliary materials with the insufficient sieving degree are crushed until the crushing degree reaches the standard.
The utility model provides a screen powder device among the related art, by vibrating motor drive, screen powder through the screen cloth of different apertures, the screen cloth uses corresponding tight structure to fix in the inside of corresponding screen frame, current screen cloth tight structure, when tightening the screen cloth, the tight seal of screen cloth upper portion and lower part division department is mostly single-pass, in the in-process of use, the tight seal of single-pass appears tightening, the condition that leads to the clearance to appear, the screen cloth upper portion raw materials very easily leaks to the screen cloth lower part through the clearance, the raw materials that this part was leaked is not through sieving, will directly cause the influence to former powder screening effect, the unqualified condition of former powder screening appears, need reworking again, in addition, when tightening the screen cloth, the tight main manual work of tightening of screen cloth is exerted first tight force, if this tight force is not enough, the raw materials gravity of screen cloth upper portion and self gravity influence down, the uneven state appears, the raw materials that does not reach the requirement easily accumulates on the screen cloth, it is inconvenient to discharge through the discharge gate.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides a screen powder device for reducing pollution and blocking a screen, which compresses a screen on the inner wall of a screen frame in a mode of outward expansion of an outer ring expansion piece to form a first seal, and compresses a screen edge on a supporting ring to form a second seal, so that the success rate of raw material screen powder is improved through the two seals, the condition that reworking occurs due to loose single seal is reduced, in addition, the screen is compressed on the inner wall of the screen frame in a mode of outward expansion of the outer ring expansion piece, the outward expansion drives the screen to outward expand to provide initial tightening force, and the outward expansion forms stable tightening force on the screen in a tightening mode relative to manual pulling, so that the screen powder device has the effect of improving the upper surface flatness of the screen.
According to the embodiment of the application, the powder screening device for reducing pollution and blocking net comprises: a shaker assembly and a screen assembly.
The screen assembly comprises a supporting ring piece, an outer ring expansion piece, a screen and an expansion propping piece, wherein the supporting ring piece is fixedly connected to the inner wall of a screen frame of the vibrating screen assembly, the outer ring expansion piece is arranged on the supporting ring piece, the periphery of the upper end of the expansion propping piece pushes the outer wall of the outer ring expansion piece to expand, the outer wall of the outer ring expansion piece stretches up the screen and compresses the screen tightly to the inner wall of the vibrating screen assembly, the supporting ring piece comprises a supporting ring and a threaded plug, a first connecting hole is uniformly formed in the supporting ring, the lower end of the outer ring expansion piece penetrates through the first connecting hole, the lower end of the outer ring expansion piece is compressed to the lower side of the supporting ring through a nut, the outer ring expansion piece compresses the outer side of the screen, a observing hole is formed in the supporting ring, the threaded plug is provided with the observing hole through a threaded plug, the outer ring expansion piece comprises an annular compression plate, a ring, a double-layer flexible sealing gasket and a threaded connecting cylinder, the slope surface is fixedly connected to the annular compression plate, the periphery of the annular expansion plate is provided with the annular compression plate, the annular expansion plate is arranged on the inner wall of the annular expansion plate, the annular expansion plate is in a sealing gasket is arranged on the side of the annular compression plate, the annular sealing gasket is matched with the annular sealing gasket, the annular sealing gasket is arranged on the side of the inner wall, the annular sealing gasket is matched with the annular sealing gasket, and the annular sealing gasket is arranged on the side of the annular sealing gasket, and the annular sealing gasket is compressed to be matched with the side of the inner wall, and the annular sealing gasket is compressed on the side of the sealing plate. The double-layer flexible sealing gasket is characterized in that the outer layer of the double-layer flexible sealing gasket is tightly pressed between the supporting rings and the outer side of the screen, the expansion jacking piece comprises an annular adjusting plate, a jacking pushing ring and a connecting screw rod, the outer wall of the annular adjusting plate is fixedly connected with the jacking pushing ring through a fixing rod, the connecting screw rod is fixedly connected to the lower side of the annular adjusting plate, the connecting screw rod penetrates through the annular compressing plate and the inside of the threaded connecting cylinder in a sliding mode, the connecting screw rod is tightly pressed in the threaded connecting cylinder through a nut, and the jacking pushing ring is tightly pressed on a slope surface of the inner wall of the expansion ring.
According to some embodiments of the application, the upper side of the supporting ring, the two sides of the annular compacting plates and the upper side of the annular adjusting plate are all provided with inclined downward slope surfaces.
According to some embodiments of the present application, the inner wall of the annular compression plate is fixedly connected with a strip-shaped connection plate at equal intervals, the other end of the strip-shaped connection plate is fixedly connected with an annular limiting plate, the connection screw is provided with a cantilever marble piece, the cantilever marble piece comprises an elastic cantilever, a connection plate, an adjusting nut and a marble, the connection plate is fixedly connected to one end of the elastic cantilever, the elastic cantilever is located between the annular limiting plate and the annular adjusting plate, the marble is fixedly connected to the other end of the elastic cantilever, the connection plate is sleeved on the connection screw, the two adjusting nuts are respectively sleeved on the two sides of the connection plate through threads, and the annular limiting plate can block the marble.
According to some embodiments of the application, the vibrating screen assembly comprises a base, a vibrating spring, a blanking screen frame, a vibrating motor, a middle screen frame, an upper screen frame and a top cover, wherein the vibrating spring is arranged at the upper end of the base, the blanking screen frame is fixedly connected to the top end of the vibrating spring, the blanking screen frame, the middle screen frame, the upper screen frame and the top cover are connected with each other through binding rings sequentially from bottom to top, the vibrating motor is arranged on the outer wall of the blanking screen frame, discharging pieces are communicated on the middle screen frame and the upper screen frame, the screen assembly is arranged in the middle screen frame and the upper screen frame, the double-layer flexible sealing gasket compresses the screen onto the inner wall of the middle screen frame and the inner wall of the upper screen frame, the top end of the screen is higher than the lower wall inside the discharging pieces, and the discharging barrels are arranged on the discharging holes at the bottom end of the blanking screen frame and the feeding holes of the top cover.
According to some embodiments of the application, the top cover comprises a cover body and a feeding pipe, the feeding pipe is fixedly communicated with the top end of the cover body, the inner wall of the feeding pipe is fixedly connected with a mounting cylinder, and the outer wall of the storage cylinder on the top cover is screwed into the mounting cylinder through threads.
According to some embodiments of the application, the discharging part comprises a material guiding box and a discharging pipe, the discharging pipe is fixedly communicated with the lower side of one end of the material guiding box, the discharging pipe is also arranged at the bottom end of the material discharging screen frame, external threads are arranged on the outer wall of the lower end of the discharging pipe, and the outer wall of the upper end of the material storage cylinder is screwed into the external threads of the lower end of the discharging pipe.
According to some embodiments of the application, the storage barrel comprises a barrel body, a connecting pipe, a mounting sleeve and a positioning ring, wherein the connecting pipe is fixedly connected to an opening at the upper end of the barrel body, the inner wall of the opening of the barrel body is an inclined plane, the inner diameter of the discharging pipe is smaller than that of the opening of the barrel body, a thread groove is formed in the barrel body and is in threaded connection with the external thread of the discharging pipe relative to the thread groove of the barrel body, the mounting sleeve is fixedly sleeved on the outer wall of the barrel body, the positioning ring is fixedly sleeved on the outer wall of the lower end of the mounting sleeve, the mounting sleeve of the storage barrel on the top cover can be screwed into the mounting barrel through threads, and the top end of the mounting barrel can block the positioning ring.
The beneficial effects of the application are as follows: during the use, pass the expansion top tight piece lower extreme and spiral on the nut, with the screen cloth parcel on the outer loop expansion piece, the screen cloth meets the interference department and carries out corresponding tailorring, connect the outer loop expansion piece again on the support ring spare, the peripheral limit mouth of screen cloth compresses tightly in the support ring spare upside with outer loop expansion piece downside, this department compresses tightly and forms the second way seal, spiral on the nut on the expansion top tight piece again, drive the expansion top tight piece through the screwing of nut and move down, the expansion top tight piece outward flange promotes the outer loop expansion piece and expands, tighten the screen cloth through the expansion of outer loop expansion piece and compress tightly the screen cloth in the screen frame inner wall of shale shaker subassembly, form first way seal, this pollution-reducing and screen cloth is compressed tightly in the screen frame inner wall through the outside expansion mode of outer loop expansion piece, and form first way seal, and the screen cloth limit mouth compresses tightly on the support ring, form second way seal, improve the success rate of raw materials screen cloth powder through the twice seal, reduce the condition of not appearing reworking because of the outside expansion of outer loop expansion, in addition, the screen cloth is compressed tightly in the frame inner wall through the outside expansion of outer loop expansion, the screen cloth is stretched tightly, the outside provides the tight effect is provided to the outside the screen cloth, the outside of the manual tension is firm, the screen cloth is formed, the effect is stable, the screen cloth is expanded, the screen is expanded to the outside the intensity is firm, the screen is formed.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope, and other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a powder screening device for reducing pollution and blocking net according to an embodiment of the present application;
FIG. 2 is a schematic perspective view of the structure A in FIG. 1 according to an embodiment of the present application;
FIG. 3 is a schematic view of the structure of a screen assembly according to an embodiment of the present application connected at a outfeed member;
FIG. 4 is a schematic perspective view of a support ring according to an embodiment of the present application;
FIG. 5 is a schematic perspective view of an outer ring expander according to an embodiment of the present application;
FIG. 6 is a schematic perspective view of FIG. 5 at C in accordance with an embodiment of the application;
FIG. 7 is a schematic perspective view of an expansion jack in accordance with an embodiment of the present application;
FIG. 8 is a schematic diagram of the structure at B in FIG. 3 according to an embodiment of the application;
FIG. 9 is a schematic perspective view of a shaker assembly according to an embodiment of the present application;
fig. 10 is a schematic diagram of a perspective structure at D in fig. 9 according to an embodiment of the present application;
fig. 11 is a schematic perspective view of fig. 9 at E according to an embodiment of the present application.
Icon: a 100-shaker assembly; 110-a base; 120-vibrating springs; 130-blanking screen frames; 140-a vibration motor; 150-middle screen frame; 160-upper screen frame; 170-top cover; 171-cover; 172-feeding pipe; 173-mounting a cartridge; 180-discharging part; 181-a primer box; 182-discharging pipe; 190-a storage cylinder; 191-a cylinder; 192-connecting tube; 193-mounting sleeve; 194-positioning rings; 200-a screen assembly; 210-a support ring; 211-a support ring; 212-first connection holes; 213-observation holes; 214-a threaded plug; 220-an outer ring expansion member; 221-annular compacting plates; 222-an expansion loop; 223-yielding groove; 224-double layer flexible gasket; 225-a threaded connection cylinder; 226-bar-shaped connecting plates; 227-annular limiting plates; 230-screen; 240-expanding the jack; 241-annular adjusting plate; 242-pushing the push ring; 243-connecting screws; 250-cantilever pachinko; 251-elastic cantilever; 252-connecting plates; 253-adjusting the nut; 254-marbles.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, based on the embodiments of the application, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the application.
The following describes a powder screening device for reducing pollution and blocking net according to an embodiment of the present application with reference to the accompanying drawings.
Referring to fig. 1 to 11, a powder screening device for reducing pollution and blocking net according to an embodiment of the present application includes: shaker assembly 100 and screen assembly 200.
Referring to fig. 1 to 3, the screen assembly 200 includes a support ring 210, an outer ring expansion member 220, a screen 230 and an expansion propping member 240, wherein the support ring 210 is fixedly connected to an inner wall of a screen frame of the vibrating screen assembly 100, the outer ring expansion member 220 is disposed on the support ring 210, a periphery of the screen 230 is compressed between a lower side of the outer ring expansion member 220 and an upper side of the support ring 210, a lower end of the expansion propping member 240 passes through the outer ring expansion member 220 and the support ring 210 to be compressed by nuts, and a periphery of an upper end of the expansion propping member 240 pushes an outer wall of the outer ring expansion member 220 to expand, and the outer wall of the outer ring expansion member 220 tightens the screen 230 and compresses the screen 230 on the inner wall of the vibrating screen assembly 100. When the screen mesh expansion device is used, the lower end of the expansion propping piece 240 penetrates through the outer ring expansion piece 220 to screw a nut, the screen mesh 230 is wrapped on the outer ring expansion piece 220, the screen mesh 230 is correspondingly cut when meeting interference parts, the outer ring expansion piece 220 is connected to the support ring piece 210, the edge opening of the periphery of the screen mesh 230 is tightly pressed on the upper side of the support ring piece 210, the edge opening is tightly pressed to form a second seal, the nut on the expansion propping piece 240 is tightly screwed, the expansion propping piece 240 is driven to move downwards by screwing the nut, the outer edge of the expansion propping piece 240 pushes the outer ring expansion piece 220 to expand, the screen mesh 230 is tightly pressed on the inner wall of a screen frame of the vibrating screen assembly 100 through the expansion of the outer ring expansion piece 220 to form a first seal, the screen mesh is tightly pressed on the inner wall of the screen frame in a mode of outwards expanding the outer ring expansion piece, the edge opening of the screen mesh is tightly pressed on the support ring to form a second seal, the success rate of the raw material screen mesh is improved by tightly pressing the second seal, the condition that the reworking seal is not tightly occurs, the expansion effect of the screen mesh is improved by pulling the outer ring is formed by the outer ring expansion piece, and the expansion effect of the screen mesh is improved.
Referring to fig. 4, the supporting ring 210 includes a supporting ring 211 and a threaded plug 214, the supporting ring 211 is uniformly provided with a first connecting hole 212, the lower end of the outer ring expansion member 220 passes through the first connecting hole 212, the lower end of the outer ring expansion member 220 is pressed against the lower side of the supporting ring 211 by a nut, the outer ring expansion member 220 presses the outer side of the screen 230 against the upper side of the supporting ring 211, the supporting ring 211 is provided with an observation hole 213, and the threaded plug 214 is used for blocking the observation hole 213 by threads. The screen 230 is wrapped on the outer ring expansion member 220, the lower end of the outer ring expansion member 220 passes through the first connecting hole 212 of the supporting ring 211, a nut is screwed on the lower end of the outer ring expansion member 220, the outer ring expansion member 220 is driven by the nut to compress the edge opening around the screen 230, a second seal is formed, when the first seal is detected to leak, the threaded plug 214 is unscrewed, whether the first seal leaks can be judged by observing whether raw materials leak out of the observation hole 213, because the first seal leaks, the raw materials leak into the space between the outer wall of the outer ring expansion member 220 and the upper side of the supporting ring 211 through the gap at the position of the first seal, and finally fall on the upper side of the supporting ring 211 under the action of gravity.
Referring to fig. 5 to 6, the outer ring expansion member 220 includes an annular compression plate 221, an expansion ring 222, a double-layer flexible gasket 224 and a threaded connection cylinder 225, wherein the expansion ring 222 is fixedly connected to the periphery of the annular compression plate 221, the inner wall of the expansion ring 222 is provided with a slope surface, the expansion ring 222 is provided with a plurality of relief grooves 223 at equal intervals, the inner layer of the double-layer flexible gasket 224 is fixedly connected to the inner wall of the expansion ring 222, the inner layer of the double-layer flexible gasket 224 seals the relief grooves 223, the outer layer of the double-layer flexible gasket 224 is fixedly connected to the outer wall of the expansion ring 222 and the lower side of the annular compression plate 221, the double-layer flexible gasket 224 compresses the screen 230 on the inner wall of the screen frame of the vibrating screen assembly 100, the threaded connection cylinder 225 is fixedly connected to the lower side of the annular compression plate 221, the threaded connection cylinder 225 passes through the first connection hole 212, the annular compression plate 221 is compressed on the upper side of the support ring 211 by the threaded connection cylinder 225 in cooperation with a nut, and the outer layer of the double-layer flexible gasket 224 compresses the screen 230 between the outer layer and the support ring 211. The screen 230 wraps the outer layer of the double-layer flexible sealing gasket 224, the threaded connection cylinder 225 passes through the first connection hole 212, the threaded connection cylinder 225 is screwed with a nut, the nut drives the annular compression plate 221 and the double-layer flexible sealing gasket 224 on the expansion ring 222, the outer layer of the double-layer flexible sealing gasket 224 compresses the edge opening around the screen 230 on the supporting ring 211, the second seal is formed by compressing the screen 230 through the outer layer of the double-layer flexible sealing gasket 224, the tightness is improved, the friction coefficient between the double-layer flexible sealing gasket 224 and the screen 230 is large, the friction force between the two is also large, the condition that the screen 230 and the double-layer flexible sealing gasket 224 relatively slide when the expansion ring 222 tightens the screen 230 is reduced, the tightening failure occurs, and when the expansion ring 222 is expanded outwards, a gap is provided for the deformation of the expansion ring 222 through the abdicating groove 223, the condition that the expansion of adjacent expansion rings 222 is influenced mutually is reduced, and the expansion of the expansion ring 222 is facilitated. The yielding groove 223 is sealed by the inner layer of the double-layer flexible sealing gasket 224, so that the occurrence of the condition that raw materials enter between the outer wall of the outer ring expansion piece 220 and the upper side of the supporting ring 211 through the yielding groove 223 is reduced.
Referring to fig. 7, the expansion tightening member 240 includes an annular adjusting plate 241, a tightening pushing ring 242 and a connecting screw 243, wherein the outer wall of the annular adjusting plate 241 is fixedly connected with the tightening pushing ring 242 through a fixing rod, the connecting screw 243 is fixedly connected to the lower side of the annular adjusting plate 241, the connecting screw 243 slidably penetrates through the annular compressing plate 221 and the threaded connecting cylinder 225, the connecting screw 243 is tightly pressed on the threaded connecting cylinder 225 through a nut, and the tightening pushing ring 242 is tightly pressed on a slope surface of the inner wall of the expansion ring 222. The lower end of the connecting screw 243 passes through the annular compression plate 221 and the inside of the threaded connecting cylinder 225, the connecting screw 243 is screwed with a nut, the nut is compressed on the threaded connecting cylinder 225, along with the screwing of the nut, the connecting screw 243 drives the annular adjusting plate 241, the pushing ring 242 pushes the expansion ring 222 to expand outwards through the slope surface of the inner wall of the expansion ring 222, the double-layer flexible sealing gasket 224 expands along with the expansion ring 222, and the outer layer of the double-layer flexible sealing gasket 224 is integrally expanded outwards under the traction of the expansion ring 222, so that the outer layer of the double-layer flexible sealing gasket 224 also expands outwards at the position of the abdicating groove 223 and gradually compresses the inner wall of the screen frame of the vibrating screen assembly 100 to form an integral annular first seal. The upper side of the supporting ring 211, the two sides of the annular pressing plate 221 and the upper side of the annular adjusting plate 241 are all provided with inclined downward slope surfaces. The upper side of the annular pressing plate 221 and the upper side of the annular adjusting plate 241 are both provided with inclined downward slope surfaces, so that raw materials falling on the upper side of the annular pressing plate 221 and the upper side of the annular adjusting plate 241 fall under the action of gravity and the vibration of the vibrating screen assembly 100, and the occurrence of raw materials accumulation on the annular pressing plate 221 and the annular adjusting plate 241 is reduced.
Referring to fig. 7 to 8, in the related art, when the screen device is used for reducing blocking and cleaning, a rubber marble with an elastic cantilever is generally disposed at the lower side of the screen, and the vibration of the screen device causes the rubber marble to beat the lower side of the screen to clean the screen, but the conventional rubber marble with an elastic cantilever cannot be fixed in position, and in the use process, if the elastic cantilever is poor or deformed, the maximum position of the upward beating of the rubber marble is easily changed, if the maximum position of the upward beating of the rubber marble is reduced, the knocking force is insufficient or the screen cannot be knocked, if the maximum position of the upward beating of the rubber marble is increased, the knocking force of the screen is also increased, the screen is easily damaged, if the adjusting structure is independently disposed, the increased structure is easily increased, and the structure is not beneficial to optimizing if the conventional structure is used for cleaning the screen.
Specifically, the inner wall of the annular compression plate 221 is fixedly connected with a strip-shaped connecting plate 226 at equal intervals, the other end of the strip-shaped connecting plate 226 is fixedly connected with an annular limiting plate 227, a cantilever marble member 250 is arranged on the connecting screw 243, the cantilever marble member 250 comprises an elastic cantilever 251, a connecting plate 252, an adjusting nut 253 and a marble 254, the connecting plate 252 is fixedly connected with one end of the elastic cantilever 251, the elastic cantilever 251 is positioned between the annular limiting plate 227 and the annular adjusting plate 241, the marble 254 is fixedly connected with the other end of the elastic cantilever 251, the connecting plate 252 is sleeved on the connecting screw 243, the adjusting nuts 253 are arranged in two, the two adjusting nuts 253 are sleeved on the connecting screw 243 through threads, the two adjusting nuts 253 are respectively compressed on two sides of the connecting plate 252, and the annular limiting plate 227 can block the marble 254. Under the effect of vibration of the vibration screen assembly 100, the free end of the elastic cantilever 251 swings up and down, the elastic cantilever 251 swings up to drive the marble 254 to strike the screen 230, the net cleaning effect is achieved, raw materials blocking the net on the screen 230 can shake away in the process that the marble 254 strikes the screen 230, the condition of blocking the net by the raw materials is reduced, when the elasticity of the elastic cantilever is poor or deformed, the maximum position of the upward jumping of the rubber marble is changed, the position of the elastic cantilever 251 is adjusted by adjusting the positions of the two adjusting nuts 253 on the connecting screw 243, the distance between the marble 254 and the screen 230 is adjusted, and then the striking force of the marble 254 on the screen is adjusted, and the condition that the marble 254 cannot strike the screen due to the elasticity degradation or deformation of the elastic cantilever is improved.
Referring to fig. 9 to 11, in the related art, dust is easily generated during the operation of the powder sieving device, and during the preparation of the medicine, when the raw material powder is sieving, the raw material powder is easy to cause dust due to vibration of the raw material powder, and the part of dust is easy to fly into the outside air, and the raw material powder of the medicine causes pollution to the environment, which also causes harm to human body, so how to control the raw material powder to fly into the outside environment during the powder sieving operation becomes a technical problem to be solved.
In order to solve the problems, the specific setting mode of the application is as follows: vibrating screen assembly 100 includes base 110, vibrating spring 120, blanking screen frame 130, vibrating motor 140, well screen frame 150, go up screen frame 160 and top cap 170, vibrating spring 120 sets up in base 110 upper end, blanking screen frame 130 fixed connection is in vibrating spring 120 top, blanking screen frame 130, well screen frame 150, go up screen frame 160 and top cap 170 by supreme bundle ring interconnect that loops in proper order down, vibrating motor 140 sets up in blanking screen frame 130 outer wall, all communicate on well screen frame 150 and the last screen frame 160 and have a discharging piece 180, all be provided with screen assembly 200 in well screen frame 150 and the last screen frame 160, double-deck flexible sealing pad 224 compresses tightly screen 230 in well screen frame 150 inner wall and last screen frame 160 inner wall, the top of screen 230 is higher than the inside lower wall of discharging piece 180, all be provided with storage cylinder 190 on the feed inlet of blanking screen frame 130 bottom discharge gate, discharging piece 180 and top cap 170.
Referring to fig. 10, the top cover 170 includes a cover 171 and a feeding pipe 172, the feeding pipe 172 is fixedly connected to the top end of the cover 171, an installation cylinder 173 is fixedly connected to the inner wall of the feeding pipe 172, and the outer wall of a storage cylinder 190 on the top cover 170 is screwed into the installation cylinder 173 through threads.
Referring to fig. 11, the discharging member 180 includes a guiding box 181 and a discharging tube 182, the discharging tube 182 is fixedly connected to the lower side of one end of the guiding box 181, an external thread is provided on the outer wall of the lower end of the discharging tube 182, a discharging tube 182 is also provided at the bottom end of the blanking screen frame 130, and the outer wall of the upper end of the storage cylinder 190 is screwed into the external thread of the lower end of the discharging tube 182. The storage cylinder 190 includes barrel 191, connecting pipe 192, installation cover 193 and holding ring 194, connecting pipe 192 fixed connection is in the opening of barrel 191 upper end, the inner wall of barrel 191 opening part sets up to the inclined plane, the internal diameter of discharging pipe 182 is less than the opening part internal diameter of barrel 191, the screw thread groove has been seted up to the barrel 191 inside, the screw thread groove of the relative barrel 191 of discharging pipe 182 passes through threaded connection in the external screw thread of discharging pipe 182 with discharging pipe 182, the fixed cup joint in the barrel 191 outer wall of installing cover 193 of holding ring 194, the fixed cup joint in the outer wall of installing cover 193 lower extreme of holding ring 194, the installation cover 193 of storage cylinder 190 can be through screw thread screw in installation cylinder 173 on top cap 170, the holding ring 194 can be blocked to the installation cylinder 173 top. Before screening, the cylinder 191 of the three storage barrels 190 is screwed into the discharging parts 180 of the two discharging pipes 182 and the discharging pipe 182 of the blanking screen frame 130 respectively, the other storage barrel 190 storing raw materials is aligned to the feeding pipe 172, the storage barrel 190 is reversely buckled on the feeding pipe 172, the installation sleeve 193 is screwed into the installation barrel 173, raw materials in the storage barrel 190 fall into the upper side of the screen 230 in the upper screen frame 160 under the action of gravity, the vibrating motor 140 is started, the middle screen frame 150 and the upper screen frame 160 vibrate under the action of the vibrating motor 140, the top end of the screen 230 is higher than the lower wall in the guiding box 181, raw materials which cannot pass through the screen 230 gradually fall into the guiding box 181 under the action of vibration and screen cleaning, the raw materials which enter the discharging pipe 182 fall into the corresponding storage barrel 190, and openings of the blanking screen frame 130, the middle screen frame 150, the upper screen frame 160 and the top cover 170, which are in contact with the external environment, are sealed through the storage barrel 190, so that the pollution and the internal environment of the screen powder blocking device falls into the screen frame 160 are relatively sealed, the dust is reduced, the dust pollution is easily caused when the raw materials are carried out, the dust is easily to the dust is generated in the dust, and the dust is easily polluted in the human body because the dust is caused to the dust when the dust is vibrated, and the dust is easily to the dust is generated in the dust. The blanking screen frame 130, the middle screen frame 150, the upper screen frame 160 and the storage cylinder 190 on the top cover 170 are unified in specification and convenient to replace and commonly use, as the opening of the blanking screen frame 130, the middle screen frame 150 and the storage cylinder 190 on the upper screen frame 160 is upward, the opening of the storage cylinder 190 on the top cover 170 is downward, the inner diameter of the discharging pipe 182 is smaller than the inner diameter of the opening of the cylinder 191 in a sleeving manner, the blanking screen frame 130, the middle screen frame 150 and the upper screen frame 160 are convenient for falling raw materials to directly enter the storage cylinder 190, the connection of the storage cylinder 190 and the top cover 170 adopts a plugging manner, the raw materials in the storage cylinder 190 are convenient for entering the upper screen frame 160, and the stacking condition of the raw materials at an interface is reduced.
Specifically, the working principle of the powder screening device for reducing pollution and blocking net is as follows: when in use, the lower end of the connecting screw 243 passes through the annular compacting plate 221 and the threaded connecting cylinder 225, the nut is screwed on the connecting screw 243, the screen 230 is wrapped on the outer layer of the double-layer flexible sealing gasket 224, the threaded connecting cylinder 225 passes through the first connecting hole 212, the nut is screwed on the threaded connecting cylinder 225, the nut drives the annular compacting plate 221 and the double-layer flexible sealing gasket 224 on the expansion ring 222, the outer layer of the double-layer flexible sealing gasket 224 tightly presses the edge opening at the periphery of the screen 230 on the supporting ring 211, the second seal is formed and the tightness is improved by tightly pressing the outer layer of the double-layer flexible sealing gasket 224 on the screen 230, the friction coefficient between the double-layer flexible sealing gasket 224 and the screen 230 is large, the friction force between the two is also large, the condition that when the screen 230 is tightly pressed by the expansion ring 222, the screen 230 and the double-layer flexible sealing gasket 224 relatively slide, so that the situation of failure in tightening is caused is reduced, the screen 230 is wrapped on the outer ring expansion piece 220, the screen 230 is correspondingly cut at the interference position, the outer ring expansion piece 220 is connected to the supporting ring piece 210, the edge opening at the periphery of the screen 230 is tightly pressed on the upper side of the supporting ring piece 210 at the lower side of the outer ring expansion piece 220, a second seal is formed by tightly pressing the edge opening, a nut is tightly pressed on the threaded connecting cylinder 225, the connecting screw 243 drives the annular adjusting plate 241 to push the pushing ring 242 to push the expanding ring 222 to expand outwards through the slope surface of the inner wall of the expanding ring 222, the double-layer flexible sealing pad 224 expands along with the expanding ring 222, the outer layer of the double-layer flexible sealing pad 224 is integrally and outwards expanded under the influence of the expanding ring 222, the outer layer flexible sealing pad also expands outwards at the position of the yielding groove 223 and gradually presses the inner wall of the screen frame of the vibrating screen assembly 100 to form an integral annular first seal, this screen powder device of pollution reduction and stifled net compresses tightly the screen cloth at the screen frame inner wall through the outside expansion of outer ring expansion member, form first seal, and the screen cloth limit mouth compresses tightly on the supporting ring, form the second seal, improve the success rate of raw materials screen powder through the twice seal, reduce because of the condition that the single seal is not tight to appear reworking, in addition compress tightly the screen cloth at the screen frame inner wall through the outside expansion of outer ring expansion member mode, the outside expansion drives the outside expansion of screen cloth and provides initial tightening force, the tightening mode of pulling relatively manual work, the outside expansion forms stable tightening force to the screen cloth, have the effect that improves screen cloth upper surface roughness.
When sieving, the elastic cantilever 251 swings up and down under the action of the vibration of the vibrating screen assembly 100, the free end of the elastic cantilever 251 swings up and down to drive the marble 254 to strike the screen 230, the net cleaning effect is achieved, raw materials blocking the net on the screen 230 can shake away in the process that the marble 254 strikes the screen 230, the condition of blocking the net by the raw materials is reduced, when the elastic variation or deformation of the elastic cantilever and the maximum upward jumping position of the rubber marble are changed, the position of the elastic cantilever 251 is adjusted by adjusting the positions of the two adjusting nuts 253 on the connecting screw 243, the distance between the marble 254 and the screen 230 is adjusted, and the knocking force of the marble 254 on the screen is adjusted, and the condition that the marble 254 cannot strike the screen due to the elastic variation or deformation of the elastic cantilever is improved.
Before screening, the cylinder 191 of the three storage barrels 190 is screwed into the discharging parts 180 of the two discharging pipes 182 and the discharging pipe 182 of the blanking screen frame 130 respectively, the other storage barrel 190 storing raw materials is aligned to the feeding pipe 172, the storage barrel 190 is reversely buckled on the feeding pipe 172, the installation sleeve 193 is screwed into the installation barrel 173, raw materials in the storage barrel 190 fall into the upper side of the screen 230 in the upper screen frame 160 under the action of gravity, the vibrating motor 140 is started, the middle screen frame 150 and the upper screen frame 160 vibrate under the action of the vibrating motor 140, the top end of the screen 230 is higher than the lower wall in the guiding box 181, raw materials which cannot pass through the screen 230 gradually fall into the guiding box 181 under the action of vibration and screen cleaning, the raw materials which enter the discharging pipe 182 fall into the corresponding storage barrel 190, and openings of the blanking screen frame 130, the middle screen frame 150, the upper screen frame 160 and the top cover 170, which are in contact with the external environment, are sealed through the storage barrel 190, so that the pollution and the internal environment of the screen powder blocking device falls into the screen frame 160 are relatively sealed, the dust is reduced, the dust pollution is easily caused when the raw materials are carried out, the dust is easily to the dust is generated in the dust, and the dust is easily polluted in the human body because the dust is caused to the dust when the dust is vibrated, and the dust is easily to the dust is generated in the dust. The blanking screen frame 130, the middle screen frame 150, the upper screen frame 160 and the storage cylinder 190 on the top cover 170 are unified in specification and convenient to replace and commonly use, as the opening of the blanking screen frame 130, the middle screen frame 150 and the storage cylinder 190 on the upper screen frame 160 is upward, the opening of the storage cylinder 190 on the top cover 170 is downward, the inner diameter of the discharging pipe 182 is smaller than the inner diameter of the opening of the cylinder 191 in a sleeving manner, the blanking screen frame 130, the middle screen frame 150 and the upper screen frame 160 are convenient for falling raw materials to directly enter the storage cylinder 190, the connection of the storage cylinder 190 and the top cover 170 adopts a plugging manner, the raw materials in the storage cylinder 190 are convenient for entering the upper screen frame 160, and the stacking condition of the raw materials at an interface is reduced.
It should be noted that, the specific model specification of the vibration motor 140 needs to be determined by selecting a model according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so the detailed description is omitted.
The power supply of the vibration motor 140 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.
The above embodiments of the present application are only examples, and are not intended to limit the scope of the present application, and various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Claims (7)
1. The utility model provides a reduce screen powder device of pollution and stifled net, includes vibrating screen subassembly, its characterized in that still includes:
the screen assembly comprises a supporting ring piece, an outer ring expansion piece, a screen and an expansion propping piece, wherein the supporting ring piece is fixedly connected to the inner wall of a screen frame of the vibrating screen assembly, the outer ring expansion piece is arranged on the supporting ring piece, the periphery of the upper end of the expansion propping piece pushes the outer wall of the outer ring expansion piece to expand, the outer wall of the outer ring expansion piece stretches up the screen and compresses the screen to the inner wall of the vibrating screen assembly, the supporting ring piece comprises a supporting ring and a threaded plug, a first connecting hole is uniformly formed in the supporting ring, the lower end of the outer ring expansion piece penetrates through the first connecting hole, the lower end of the outer ring expansion piece is compressed to the lower side of the supporting ring through a nut, the outer edge of the screen is compressed to the upper side of the supporting ring, an observation hole is formed in the supporting ring, the threaded plug is provided with an annular compression plate, an expansion ring, a double-layer flexible sealing gasket and a thread connecting sleeve, the expansion ring is fixedly connected to the inner wall of the vibrating screen assembly, the annular compression plate is arranged on the periphery of the annular expansion ring, the expansion ring is provided with an annular sealing gasket, the double-layer flexible sealing gasket is arranged on the inner wall of the annular sealing gasket, the annular sealing gasket is arranged on the side of the annular sealing gasket, the annular sealing gasket is fixed to the side of the inner wall, the annular sealing gasket is connected to the side of the annular sealing gasket, the annular sealing gasket is fixed to the inner wall, the annular sealing gasket is arranged on the side of the annular sealing gasket, and the annular sealing gasket is compressed to the inner layer, and the annular sealing gasket is fixed to the inner layer, and the sealing gasket, and the sealing layer is tightly down side sealing layer. The annular compacting plate is compacted on the upper side of the supporting ring through a threaded connecting cylinder matched with a nut, the outer layer of the double-layer flexible sealing gasket is compacted on the outer side of the screen mesh between the supporting ring, the expansion jacking piece comprises an annular adjusting plate, a jacking pushing ring and a connecting screw rod, the outer wall of the annular adjusting plate is fixedly connected with the jacking pushing ring through a fixing rod, the connecting screw rod is fixedly connected to the lower side of the annular adjusting plate, the connecting screw rod penetrates through the annular compacting plate and the inside of the threaded connecting cylinder in a sliding mode, the connecting screw rod is compacted on the threaded connecting cylinder through the nut, and the jacking pushing ring is compacted on a slope surface of the inner wall of the expansion ring.
2. The powder screening device for reducing pollution and plugging net according to claim 1, wherein the upper side of the supporting ring, the two side surfaces of the annular compacting plates and the upper side surface of the annular adjusting plate are all provided with inclined downward slope surfaces.
3. The powder screening device for reducing pollution and blocking nets according to claim 1, wherein the inner wall of the annular pressing plate is fixedly connected with a strip-shaped connecting plate at equal intervals, the other end of the strip-shaped connecting plate is fixedly connected with an annular limiting plate, a cantilever marble piece is arranged on the connecting screw, the cantilever marble piece comprises an elastic cantilever, a connecting plate, an adjusting nut and a marble, the connecting plate is fixedly connected to one end of the elastic cantilever, the elastic cantilever is positioned between the annular limiting plate and the annular adjusting plate, the marble is fixedly connected to the other end of the elastic cantilever, the connecting plate is sleeved on the connecting screw, the two adjusting nuts are arranged at two ends, the two adjusting nuts are sleeved on the connecting screw through threads, the two adjusting nuts are respectively pressed on two sides of the connecting plate, and the annular limiting plate can block the marble.
4. The powder screening device capable of reducing pollution and blocking nets according to claim 1, wherein the vibrating screen assembly comprises a base, a vibrating spring, a blanking screen frame, a vibrating motor, a middle screen frame, an upper screen frame and a top cover, the vibrating spring is arranged at the upper end of the base, the blanking screen frame is fixedly connected to the top end of the vibrating spring, the blanking screen frame, the middle screen frame, the upper screen frame and the top cover are sequentially connected through binding rings from bottom to top, the vibrating motor is arranged on the outer wall of the blanking screen frame, the middle screen frame and the upper screen frame are communicated with discharging pieces, the middle screen frame and the upper screen frame are internally provided with screen assemblies, the double-layer flexible sealing gaskets compress the screen to the inner wall of the middle screen frame and the inner wall of the upper screen frame, the top end of the screen is higher than the inner lower wall of the discharging pieces, and the discharging pieces and the feeding holes of the top cover are respectively provided with a material storage cylinder.
5. The powder screening device for reducing pollution and plugging net according to claim 4, wherein the top cover comprises a cover body and a feed pipe, the feed pipe is fixedly communicated with the top end of the cover body, the inner wall of the feed pipe is fixedly connected with a mounting cylinder, and the outer wall of the storage cylinder on the top cover is screwed into the mounting cylinder through threads.
6. The powder screening device for reducing pollution and plugging net according to claim 5, wherein the discharging member comprises a material guiding box and a discharging pipe, the discharging pipe is fixedly communicated with the lower side of one end of the material guiding box, an external thread is arranged on the outer wall of the lower end of the discharging pipe, the discharging pipe is also arranged at the bottom end of the material discharging screen frame, and the outer wall of the upper end of the material storage barrel on the discharging pipe is screwed into the external thread of the lower end of the discharging pipe.
7. The powder screening device for reducing pollution and plugging net according to claim 6, wherein the material storage cylinder comprises a cylinder body, a connecting pipe, a mounting sleeve and a positioning ring, the connecting pipe is fixedly connected to an opening at the upper end of the cylinder body, an inner wall at the opening of the cylinder body is set to be an inclined plane, the inner diameter of the material discharging pipe is smaller than that of the opening of the cylinder body, a thread groove is formed in the cylinder body, the thread groove opposite to the material discharging pipe is connected with an external thread of the material discharging pipe through threads, the mounting sleeve is fixedly sleeved on the outer wall of the lower end of the mounting sleeve, the mounting sleeve of the material storage cylinder on the top cover can be screwed into the mounting cylinder through threads, and the top end of the mounting cylinder can block the positioning ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310687846.6A CN116408260B (en) | 2023-06-12 | 2023-06-12 | Powder screening device capable of reducing pollution and blocking net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310687846.6A CN116408260B (en) | 2023-06-12 | 2023-06-12 | Powder screening device capable of reducing pollution and blocking net |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116408260A CN116408260A (en) | 2023-07-11 |
| CN116408260B true CN116408260B (en) | 2023-08-18 |
Family
ID=87049638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310687846.6A Active CN116408260B (en) | 2023-06-12 | 2023-06-12 | Powder screening device capable of reducing pollution and blocking net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116408260B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4148724A (en) * | 1977-12-13 | 1979-04-10 | Hannon Electric Company | Wedge-type tensioning rail construction for electrically heated screens |
| CH644536A5 (en) * | 1979-04-20 | 1984-08-15 | Binder Co Ag | Screening device with a supporting frame and a screen bottom firmly clamped on the supporting frame |
| US5785461A (en) * | 1996-01-18 | 1998-07-28 | Lambert; Gene F. | Wedge tensioning device |
| CN104438059A (en) * | 2014-12-20 | 2015-03-25 | 淄博正邦知识产权企划有限公司 | Method for quickly tightening screen cloth and preventing screen cloth from falling and vibrating screen |
| CN105032759A (en) * | 2015-07-29 | 2015-11-11 | 张家港市兰航机械有限公司 | Vibrating screen |
| CN208944543U (en) * | 2018-08-29 | 2019-06-07 | 江西省君鑫贵金属科技材料有限公司 | Circular impact screen |
| CN209901681U (en) * | 2019-02-25 | 2020-01-07 | 山东润科机电设备有限公司 | Adopt shale shaker of thick gluey compression net |
| CN112228562A (en) * | 2020-11-05 | 2021-01-15 | 北京化工大学 | Radial self-tightening type packing sealing device and system |
| CN213134017U (en) * | 2020-08-06 | 2021-05-07 | 闵克矿山机械设备(湖州)有限公司 | Automatic tensioning device for screen mesh of linear vibrating screen |
| CN114810171A (en) * | 2022-03-30 | 2022-07-29 | 西南交通大学 | Anchor rod with expandable end |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6513665B1 (en) * | 1999-11-02 | 2003-02-04 | M-I L.L.C. | Screen mounting system |
| US7150358B2 (en) * | 2004-04-30 | 2006-12-19 | M-I L.L.C. | Shaker screen clamping and sealing assembly |
-
2023
- 2023-06-12 CN CN202310687846.6A patent/CN116408260B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4148724A (en) * | 1977-12-13 | 1979-04-10 | Hannon Electric Company | Wedge-type tensioning rail construction for electrically heated screens |
| CH644536A5 (en) * | 1979-04-20 | 1984-08-15 | Binder Co Ag | Screening device with a supporting frame and a screen bottom firmly clamped on the supporting frame |
| US5785461A (en) * | 1996-01-18 | 1998-07-28 | Lambert; Gene F. | Wedge tensioning device |
| CN104438059A (en) * | 2014-12-20 | 2015-03-25 | 淄博正邦知识产权企划有限公司 | Method for quickly tightening screen cloth and preventing screen cloth from falling and vibrating screen |
| CN105032759A (en) * | 2015-07-29 | 2015-11-11 | 张家港市兰航机械有限公司 | Vibrating screen |
| CN208944543U (en) * | 2018-08-29 | 2019-06-07 | 江西省君鑫贵金属科技材料有限公司 | Circular impact screen |
| CN209901681U (en) * | 2019-02-25 | 2020-01-07 | 山东润科机电设备有限公司 | Adopt shale shaker of thick gluey compression net |
| CN213134017U (en) * | 2020-08-06 | 2021-05-07 | 闵克矿山机械设备(湖州)有限公司 | Automatic tensioning device for screen mesh of linear vibrating screen |
| CN112228562A (en) * | 2020-11-05 | 2021-01-15 | 北京化工大学 | Radial self-tightening type packing sealing device and system |
| CN114810171A (en) * | 2022-03-30 | 2022-07-29 | 西南交通大学 | Anchor rod with expandable end |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116408260A (en) | 2023-07-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106076823A (en) | A kind of screening plant producing refractory material | |
| CN116408260B (en) | Powder screening device capable of reducing pollution and blocking net | |
| CN108654984B (en) | A additive feeding device for macromolecular material production | |
| CN207726056U (en) | A kind of oscillatory type hopper discharger | |
| CN105032759A (en) | Vibrating screen | |
| CN106474843B (en) | Filter device | |
| CN204974445U (en) | Vibrating screen | |
| CN210000923U (en) | hydrated lime storage tank with anti-blocking function | |
| CN102705508B (en) | Plugging device | |
| CN209520033U (en) | A kind of aggregate-screening machine | |
| CN217450930U (en) | MBS workshop is with sieve that shakes soon of being convenient for change filter screen | |
| CN209901681U (en) | Adopt shale shaker of thick gluey compression net | |
| CN209441972U (en) | High performance composite gasket for sealing | |
| CN206867880U (en) | Overall plastic bag pressing device and bag filter | |
| CN220304756U (en) | Pump box air tightness detection device | |
| CN219647012U (en) | Plate-frame air filter | |
| CN219128790U (en) | Feeding and compressing device of PSA (pressure sensitive adhesive) gas making system | |
| CN211282210U (en) | Prevent blockking up discharge hopper suitable for buggy is unloaded | |
| CN220611298U (en) | Powder screening device | |
| CN115384954B (en) | Discharging device | |
| CN220072418U (en) | Screen cloth and wet granulator | |
| CN212480112U (en) | Bolt fastening sealing structure and sealing box | |
| CN215638362U (en) | Novel vibrated fluidized bed | |
| CN217911465U (en) | Novel edulcoration sieve separator of edible oil production and processing | |
| CN219622662U (en) | Quick assembly disassembly polished rod seals letter body structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |