CN111701837A - Method and equipment for grading tungsten carbide dry powder - Google Patents
Method and equipment for grading tungsten carbide dry powder Download PDFInfo
- Publication number
- CN111701837A CN111701837A CN202010540429.5A CN202010540429A CN111701837A CN 111701837 A CN111701837 A CN 111701837A CN 202010540429 A CN202010540429 A CN 202010540429A CN 111701837 A CN111701837 A CN 111701837A
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- fixedly connected
- tungsten carbide
- dry powder
- plate
- frame
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- 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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for 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
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- 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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to the technical field of classification of tungsten carbide dry powder, in particular to equipment for classifying the tungsten carbide dry powder, which comprises a bottom frame, wherein an open box is arranged at the upper end of the bottom frame, a material receiving port is formed in one side of the open box, a sealing mechanism is rotatably connected in the material receiving port, a sliding groove is formed in the open box, a screen mechanism is slidably connected on the sliding groove, the upper end of the open box is communicated with a material guide hopper, a material inlet is formed in the upper end of the material guide hopper, a connecting rod is fixedly connected to one side of the screen mechanism, a limiting frame is connected to the open box, the connecting rod passes through the limiting frame, one end of the connecting rod is rotatably connected with a pull plate, one end of the. The invention also provides a method for grading the tungsten carbide dry powder. According to the invention, the pulling plate drives the screen mechanism to reciprocate in the open box, so that the tungsten carbide dry powder is screened and classified, and the classification effect of the tungsten carbide dry powder is improved.
Description
Technical Field
The invention relates to the technical field of tungsten carbide dry powder grading, in particular to a method and equipment for grading tungsten carbide dry powder.
Background
The tungsten carbide powder is a main raw material for producing hard alloy, is completely called as black hexagonal crystal, has metallic luster and hardness similar to that of diamond, and is a good conductor of electricity and heat. Tungsten carbide is insoluble in water, hydrochloric acid and sulfuric acid, is easily dissolved in mixed acid of nitric acid and hydrofluoric acid, is fragile, can reduce brittleness if doped with a small amount of metals such as titanium, cobalt and the like, and is used as tungsten carbide of a steel cutting tool, titanium carbide, tantalum carbide or a mixture of the titanium carbide and the tantalum carbide are often added to improve the anti-explosion capability, and the chemical property of the tungsten carbide is stable. When the tungsten carbide is used, the tungsten carbide dry powder needs to be classified, the tungsten carbide with different particle sizes is classified, the classification effect of the existing tungsten carbide classification device is poor, and the tungsten carbide cannot be classified effectively.
Disclosure of Invention
The invention aims to solve the defect of poor grading effect of tungsten carbide dry powder in the prior art, and provides a method and equipment for grading the tungsten carbide dry powder.
In order to achieve the purpose, the invention adopts the following technical scheme:
designing equipment for grading tungsten carbide dry powder, comprising a bottom frame, wherein an open box is arranged at the upper end of the bottom frame, both sides of the open box are connected with fixing mechanisms which are connected with the underframe, one side of the open box is provided with a material receiving port, the inside of the material receiving port is rotatably connected with a sealing mechanism, the inside of the open box is provided with a chute, the chute is connected with a screen mechanism in a sliding way, the upper end of the open box is communicated with a material guide hopper, the upper end of the material guide hopper is provided with a material inlet, one side of the screen mechanism is fixedly connected with a connecting rod, the open box is connected with a limit frame, the connecting rod passes through the limit frame, one end of the connecting rod is rotatably connected with a pulling plate, one end of the pulling plate is connected with a pulling mechanism, the bottom end of the pulling mechanism is fixedly connected with a supporting frame, and the supporting frame is fixedly connected with the bottom frame.
Preferably, the bottom frame comprises a bottom plate, a plurality of fixing holes are formed in the bottom plate, supporting blocks are fixedly connected to two sides of the upper end of the bottom plate, a top plate is fixedly connected to the upper end of each supporting block, and the open box is fixed to the top plates.
Preferably, the fixing mechanism comprises a fixing block, the fixing block is fixedly connected with the open box, and the fixing block is connected with the bottom frame through a bolt.
Preferably, the sealing mechanism comprises a rotating plate, the rotating plate is rotatably connected with the material receiving port, and a handle is fixedly connected to the outer side of the rotating plate.
Preferably, the screen cloth mechanism includes the fixed plate, the first fixed frame of fixedly connected with on the fixed plate, first fixed frame sliding connection the spout, the first screen cloth of fixedly connected with in the first fixed frame, the fixed frame of fixedly connected with second on the fixed plate, the fixed frame of second is located the below of first fixed frame, the fixed frame of fixedly connected with second screen cloth on the second, the fixed frame of fixedly connected with third on the fixed plate, the fixed frame of third is located the below of the fixed frame of second, the fixed frame of third is gone up fixedly connected with third screen cloth.
Preferably, the mesh openings of the first screen, the second screen and the third screen are sequentially reduced.
Preferably, the limiting frame comprises a hollow tube, the connecting rod passes through the hollow tube, fixing rods are fixedly connected to two sides of the hollow tube, a first fixing seat is fixedly connected to one end of each fixing rod, and each first fixing seat is connected with the open box.
Preferably, the pulling mechanism comprises a motor, the motor is fixedly connected with the support frame, the output end of the motor is fixedly connected with a rotating shaft, one end of the rotating shaft is fixedly connected with a connecting seat, the connecting seat is connected with a rotating disc, the rotating disc is connected with a protrusion, the protrusion is connected with the pulling plate, and the connecting seat, the rotating disc and the protrusion are of an integrated structure.
Preferably, the support frame includes the backup pad, the backup pad is connected pulling mechanism, the bottom fixedly connected with a plurality of bracing piece of backup pad, every the equal fixedly connected with second fixing base in bottom of bracing piece, every the second fixing base all connects the chassis.
The invention also provides a method for grading the tungsten carbide dry powder, which comprises the following steps:
s1: the method comprises the following steps that tungsten carbide dry powder enters a screen mechanism through a material guide hopper, and after the pulling mechanism is powered on and started, a pulling plate is driven to move, and the pulling plate drives the screen mechanism to reciprocate in an open box;
s2: after the screen mechanism moves for a period of time, the pulling mechanism stops working;
s3: and opening the sealing mechanism, taking out the tungsten carbide dry powder of each layer, and grading the tungsten carbide dry powder.
The method and the equipment for grading the tungsten carbide dry powder have the advantages that:
through opening the spout in the uncovered incasement, screen cloth mechanism sliding connection is on the spout, and on the tungsten carbide dry powder entered into screen cloth mechanism through the guide fill, pulling mechanism circular telegram started the back, drives the arm-tie motion, and the arm-tie drives screen cloth mechanism at uncovered incasement reciprocating motion, sieves the classification to the tungsten carbide dry powder for the tungsten carbide dry powder of same size granule is located same layer, and the tungsten carbide dry powder is hierarchical swift, improves the classification effect of tungsten carbide dry powder.
Drawings
FIG. 1 is a schematic structural diagram I of a method for grading tungsten carbide dry powder and a device thereof according to the present invention;
FIG. 2 is a schematic structural diagram II of a method and an apparatus for grading tungsten carbide dry powder according to the present invention;
FIG. 3 is a schematic structural diagram of a chassis in the method for grading tungsten carbide dry powder and the device thereof according to the present invention;
FIG. 4 is a schematic structural diagram of a material guide hopper in the method and apparatus for grading tungsten carbide dry powder according to the present invention;
FIG. 5 is a schematic structural diagram of an open box in the method and apparatus for grading tungsten carbide dry powder according to the present invention;
FIG. 6 is a schematic structural diagram of a screen mechanism in the method and apparatus for grading tungsten carbide dry powder according to the present invention;
FIG. 7 is a schematic structural diagram of a limiting mechanism in the method and apparatus for grading tungsten carbide dry powder according to the present invention;
fig. 8 is a schematic view of a connection structure between a pulling mechanism and a supporting frame in the method for grading tungsten carbide dry powder and the device thereof according to the present invention.
In the figure: the bottom plate 1, the fixed orifices 2, the supporting shoe 3, the roof 4, open case 5, the fixed block 6, receive material mouthful 7, the rotor plate 8, the handle 9, the spout 10, fixed plate 11, first fixed frame 12, first screen cloth 13, the fixed frame 14 of second, the second screen cloth 15, the fixed frame 16 of third, the third screen cloth 17, guide hopper 18, feed inlet 19, connecting rod 20, hollow tube 21, dead lever 22, first fixing base 23, arm-tie 24, motor 25, pivot 26, connecting seat 27, carousel 28, arch 29, second fixing base 30, bracing piece 31, backup pad 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-8, a hierarchical equipment of tungsten carbide dry powder, including the chassis, the effect of chassis is fixed open case 5, open case 5 has been placed to the upper end of chassis, open case 5's effect is connection screen cloth mechanism, open case 5's both sides all are connected with fixed establishment, fixed establishment's effect is fixed open case 5, fixed establishment connects the chassis, fixed establishment includes fixed block 6, the open case 5 of 6 fixed connection of fixed block, fixed block 6 passes through the bolted connection chassis, receiving port 7 has been seted up to one side of open case 5, receiving port 7's effect is convenient for collect the tungsten carbide dry powder after grading, receiving port 7 internal rotation is connected with sealing mechanism.
Open 5 of case and seted up spout 10, the effect of spout 10 is connection screen cloth mechanism for screen cloth mechanism can slide in open case 5, sliding connection has screen cloth mechanism on spout 10, screen cloth mechanism's effect is to screening the tungsten carbide dry powder hierarchical, open case 5's upper end intercommunication has guide fill 18, feed inlet 19 has been seted up to the upper end of guide fill 18, one side fixedly connected with connecting rod 20 of screen cloth mechanism, connecting rod 20's effect is connection screen cloth mechanism.
Be connected with spacing on the uncovered case 5, the effect of connecting rod is spacing to connecting rod 20, make connecting rod 20 only remove at the horizontal direction, connecting rod 20 is through spacing, the one end of connecting rod 20 is rotated and is connected with arm-tie 24, the effect of arm-tie 24 is pulling screen cloth mechanism reciprocating motion, the one end of arm-tie 24 is connected with pulling mechanism, pulling mechanism's effect is for pulling screen cloth mechanism reciprocating motion provides power, pulling mechanism's bottom fixedly connected with support frame, the effect of support frame supports pulling mechanism, support frame fixed connection chassis.
The working principle is as follows: the tungsten carbide dry powder enters the screen mechanism through the material guide hopper 18, the pulling mechanism is powered on and started to drive the pulling plate 24 to move, the pulling plate 24 drives the screen mechanism to reciprocate in the open box, after screening and grading are finished, the sealing mechanism is opened, the tungsten carbide dry powder on each layer is taken out, and grading of the tungsten carbide dry powder is finished.
The invention also provides a method for grading the tungsten carbide dry powder, which comprises the following steps:
s1: the method comprises the following steps that tungsten carbide dry powder enters a screen mechanism through a material guide hopper, and after the pulling mechanism is powered on and started, a pulling plate is driven to move, and the pulling plate drives the screen mechanism to reciprocate in an open box;
s2: after the screen mechanism moves for a period of time, the pulling mechanism stops working;
s3: and opening the sealing mechanism, taking out the tungsten carbide dry powder of each layer, and grading the tungsten carbide dry powder.
Example 2
Referring to fig. 1 to 8, as another preferred embodiment of the present invention, the chassis includes a bottom plate 1, a plurality of fixing holes 2 are formed in the bottom plate 1, the fixing holes 2 are used to fix the bottom plate 1, supporting blocks 3 are fixedly connected to both sides of the upper end of the bottom plate 1, the supporting blocks 3 are used to fix a top plate 4, a top plate 4 is fixedly connected to the upper end of each supporting block 3, the top plate 4 is used to support an open box 5, and the open box 5 is fixed on the top plate 4.
Example 3
Referring to fig. 1 to 8, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the sealing mechanism includes a rotating plate 8, the rotating plate 8 functions to seal the receiving opening 7, the rotating plate 8 is rotatably connected to the receiving opening 7, a handle 9 is fixedly connected to the outer side of the rotating plate 8, and the handle 9 functions to facilitate opening of the rotating plate 8.
Example 4
Referring to fig. 1 to 8, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the screen mechanism includes a fixing plate 11, the fixing plate 11 is used to fix a first fixing frame 12, a second fixing frame 14 and a third fixing frame 16, the fixing plate 11 is fixedly connected with the first fixing frame 12, the first fixing frame 12 is slidably connected with a chute 10, a first screen 13 is fixedly connected in the first fixing frame 12, the first screen 13 is used to screen tungsten carbide dry powder, the fixing plate 11 is fixedly connected with the second fixing frame 14, the second fixing frame 14 is used to fix the second screen 15, the second fixing frame 14 is located below the first fixing frame 12, the second screen 15 is fixedly connected to the second fixing frame 14, the fixing plate 11 is fixedly connected with the third fixing frame 16, the third fixing frame 16 is used to fix the third screen 17, the third fixing frame 16 is located below the second fixing frame 14, a third screen 17 is fixedly connected to the third fixed frame 16, and the mesh apertures of the first screen 13, the second screen 15 and the third screen 17 are sequentially reduced.
Example 5
Referring to fig. 1 to 8, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the limiting frame includes a hollow tube 21, the hollow tube 21 is used to limit the connecting rod 20, the connecting rod 20 passes through the hollow tube 21, fixing rods 22 are fixedly connected to both sides of the hollow tube 21, the fixing rods 22 are used to fix the hollow tube 21, one end of each fixing rod 22 is fixedly connected to a first fixing seat 23, and each first fixing seat 23 is connected to the open box 5.
Example 6
Referring to fig. 1-8, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the pulling mechanism includes a motor 25, the motor 25 is fixedly connected to the support frame, an output end of the motor 25 is fixedly connected to a rotating shaft 26, one end of the rotating shaft 26 is fixedly connected to a connecting seat 27, the connecting seat 27 is connected to a rotating disc 28, the rotating disc 28 is connected to a protrusion 29, the protrusion 29 is connected to the pulling plate 24, the connecting seat 27, the rotating disc 28 and the protrusion 29 are integrated into a whole, the motor 25 is powered on to drive the rotating shaft 26 to rotate, the rotating shaft 26 drives the rotating disc 28 to rotate, the rotating disc 28 drives the pulling plate 24 to move through the protrusion.
Example 7
Referring to fig. 1-8, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the supporting frame includes a supporting plate 32, the supporting plate 32 is connected with a pulling mechanism, a plurality of supporting rods 31 are fixedly connected to the bottom end of the supporting plate 32, the supporting rods 31 are used for fixing the supporting plate 32, the bottom end of each supporting rod 31 is fixedly connected with a second fixing seat 30, the second fixing seats 30 are used for fixing the supporting rods 31, and each second fixing seat 30 is connected with the chassis.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The equipment for grading the tungsten carbide dry powder comprises a bottom frame, wherein an open box (5) is placed at the upper end of the bottom frame, two sides of the open box (5) are connected with a fixing mechanism, the fixing mechanism is connected with the bottom frame, and is characterized in that a material receiving opening (7) is formed in one side of the open box (5), a sealing mechanism is rotationally connected with the material receiving opening (7), a sliding groove (10) is formed in the open box (5), a screen mechanism is slidably connected onto the sliding groove (10), a material guide hopper (18) is communicated with the upper end of the open box (5), a material inlet (19) is formed in the upper end of the material guide hopper (18), a connecting rod (20) is fixedly connected to one side of the screen mechanism, a limiting frame is connected onto the open box (5), the connecting rod (20) passes through the limiting frame, and a pull plate (24) is rotationally connected to one end of, one end of the pulling plate (24) is connected with a pulling mechanism, the bottom end of the pulling mechanism is fixedly connected with a supporting frame, and the supporting frame is fixedly connected with the bottom frame.
2. The tungsten carbide dry powder grading equipment according to claim 1, wherein the bottom frame comprises a bottom plate (1), a plurality of fixing holes (2) are formed in the bottom plate (1), supporting blocks (3) are fixedly connected to two sides of the upper end of the bottom plate (1), a top plate (4) is fixedly connected to the upper end of each supporting block (3), and the open box (5) is fixed on the top plate (4).
3. The equipment for grading the tungsten carbide dry powder as claimed in claim 1, wherein the fixing mechanism comprises a fixing block (6), the fixing block (6) is fixedly connected with the open box (5), and the fixing block (6) is connected with the underframe through a bolt.
4. The equipment for grading the tungsten carbide dry powder as claimed in claim 1, wherein the sealing mechanism comprises a rotating plate (8), the rotating plate (8) is rotatably connected with the receiving port (7), and a handle (9) is fixedly connected to the outer side of the rotating plate (8).
5. The apparatus for grading tungsten carbide dry powder according to claim 1, the screen mechanism comprises a fixed plate (11), a first fixed frame (12) is fixedly connected to the fixed plate (11), the first fixed frame (12) is connected with the sliding chute (10) in a sliding way, a first screen (13) is fixedly connected in the first fixed frame (12), a second fixed frame (14) is fixedly connected to the fixed plate (11), the second fixed frame (14) is positioned below the first fixed frame (12), a second screen (15) is fixedly connected to the second fixed frame (14), a third fixed frame (16) is fixedly connected to the fixed plate (11), the third fixed frame (16) is located below the second fixed frame (14), and a third screen (17) is fixedly connected to the third fixed frame (16).
6. An apparatus for grading a tungsten carbide dry powder according to claim 5, characterized in that the mesh openings of the first screen (13), the second screen (15) and the third screen (17) decrease in sequence.
7. The equipment for grading the tungsten carbide dry powder as claimed in claim 1, wherein the limiting frame comprises a hollow tube (21), the connecting rod (20) passes through the hollow tube (21), fixing rods (22) are fixedly connected to both sides of the hollow tube (21), one end of each fixing rod (22) is fixedly connected with a first fixing seat (23), and each first fixing seat (23) is connected with the open box (5).
8. The device for grading the tungsten carbide dry powder according to claim 1, wherein the pulling mechanism comprises a motor (25), the motor (25) is fixedly connected with the support frame, the output end of the motor (25) is fixedly connected with a rotating shaft (26), one end of the rotating shaft (26) is fixedly connected with a connecting seat (27), the connecting seat (27) is connected with a rotating disc (28), the rotating disc (28) is connected with a protrusion (29), the protrusion (29) is connected with the pulling plate (24), and the connecting seat (27), the rotating disc (28) and the protrusion (29) are of an integral structure.
9. The equipment for grading the tungsten carbide dry powder as claimed in claim 1, wherein the supporting frame comprises a supporting plate (32), the supporting plate (32) is connected with the pulling mechanism, a plurality of supporting rods (31) are fixedly connected to the bottom end of the supporting plate (32), a second fixing seat (30) is fixedly connected to the bottom end of each supporting rod (31), and each second fixing seat (30) is connected with the underframe.
10. An apparatus for grading a dry powder of tungsten carbide according to any one of claims 1 to 9, comprising the steps of:
s1: the method comprises the following steps that tungsten carbide dry powder enters a screen mechanism through a material guide hopper, and after the pulling mechanism is powered on and started, a pulling plate is driven to move, and the pulling plate drives the screen mechanism to reciprocate in an open box;
s2: after the screen mechanism moves for a period of time, the pulling mechanism stops working;
s3: and opening the sealing mechanism, taking out the tungsten carbide dry powder of each layer, and grading the tungsten carbide dry powder.
Priority Applications (1)
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CN202010540429.5A CN111701837A (en) | 2020-06-15 | 2020-06-15 | Method and equipment for grading tungsten carbide dry powder |
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CN202010540429.5A CN111701837A (en) | 2020-06-15 | 2020-06-15 | Method and equipment for grading tungsten carbide dry powder |
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CN202010540429.5A Pending CN111701837A (en) | 2020-06-15 | 2020-06-15 | Method and equipment for grading tungsten carbide dry powder |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112719210A (en) * | 2020-12-24 | 2021-04-30 | 安徽永恒泰环保科技有限公司 | Environment-friendly resin fine sand hierarchical screening method |
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US20160151807A1 (en) * | 2014-12-02 | 2016-06-02 | Pipp Mobile Storage Systems, Inc. | Product sorter |
CN205762293U (en) * | 2016-05-19 | 2016-12-07 | 赣州亚泰钨业有限公司 | A kind of high pure and ultra-fine tungsten carbide powder becomes more meticulous sieving equipment |
CN110293051A (en) * | 2019-06-28 | 2019-10-01 | 上海二十冶建设有限公司 | Sand screen |
CN111085430A (en) * | 2018-10-23 | 2020-05-01 | 淮安市月塔米业有限公司 | Rice chaff heat sink |
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2020
- 2020-06-15 CN CN202010540429.5A patent/CN111701837A/en active Pending
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DE19623358A1 (en) * | 1995-06-16 | 1996-12-19 | Christian Bartsch | Vibrating sieve, e.g. for garden use |
DE10259018A1 (en) * | 2002-12-13 | 2004-01-22 | Gkm Siebtechnik Gmbh | Lifting device for lifting of sieve body of tumbling sieve machine has lifting unit connected to mounting for sieve body's bracing means on base frame of machine, and has support element pressed against lower edge of intermediate piece |
US20160151807A1 (en) * | 2014-12-02 | 2016-06-02 | Pipp Mobile Storage Systems, Inc. | Product sorter |
CN205762293U (en) * | 2016-05-19 | 2016-12-07 | 赣州亚泰钨业有限公司 | A kind of high pure and ultra-fine tungsten carbide powder becomes more meticulous sieving equipment |
CN111085430A (en) * | 2018-10-23 | 2020-05-01 | 淮安市月塔米业有限公司 | Rice chaff heat sink |
CN110293051A (en) * | 2019-06-28 | 2019-10-01 | 上海二十冶建设有限公司 | Sand screen |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN112719210A (en) * | 2020-12-24 | 2021-04-30 | 安徽永恒泰环保科技有限公司 | Environment-friendly resin fine sand hierarchical screening method |
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Application publication date: 20200925 |
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RJ01 | Rejection of invention patent application after publication |