CN111530750A - Screening device for nut finished products - Google Patents
Screening device for nut finished products Download PDFInfo
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- CN111530750A CN111530750A CN202010412116.1A CN202010412116A CN111530750A CN 111530750 A CN111530750 A CN 111530750A CN 202010412116 A CN202010412116 A CN 202010412116A CN 111530750 A CN111530750 A CN 111530750A
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- screening
- support
- fixedly connected
- sieve
- base
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- 238000012216 screening Methods 0.000 title claims abstract description 80
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 32
- 238000013016 damping Methods 0.000 claims abstract description 11
- 230000035939 shock Effects 0.000 claims abstract description 8
- 238000010521 absorption reaction Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 3
- 238000007599 discharging Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000007873 sieving Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/04—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size
- B07B13/07—Apparatus in which aggregates or articles are moved along or past openings which increase in size in the direction of movement
-
- 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
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/14—Details or accessories
-
- 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
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/14—Details or accessories
- B07B13/16—Feed or discharge arrangements
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a screening device for nut finished products, and relates to the technical field of machining. The invention comprises a base; two groups of longitudinal shock absorption pieces which are symmetrically arranged are fixedly connected to one surface of the base; one end of each longitudinal damping piece is fixedly connected with a first support and a second support respectively; the top surface of the first support and the bottom surface of the second support are both fixedly connected with a vibration motor; a transverse guide rod is fixedly connected between the inner surfaces of the first support and the second support; the side surfaces of the two transverse guide rods are connected with a screening mechanism. According to the invention, through the design of the screening mechanism, the multi-stage sorting process of the nuts can be completed in an automatic mode, and through the arrangement positions, the apertures and the density of the plurality of sieve hole parts on the screening area and the speed limiting design of the speed limiting baffle, on one hand, the purpose of screening step by step and step by step can be achieved, and on the other hand, the screened time of the nut materials on the screening area can be effectively prolonged.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a screening device for nut finished products.
Background
The nut is a nut, and is a part for fastening together with a bolt or a screw, and is a necessary element for all production and manufacturing machines. Along with mechanized popularization, the demand of the nut increases, along with the development of production technology, the output of the nut also increases, but the nut needs to be inspected after production and just can be put into use, and the manual screening is adopted in the traditional inspection, so that the labor intensity is high, the efficiency is low, and meanwhile, a certain wrong screening rate and a certain screen leakage rate exist during manual screening.
Disclosure of Invention
The invention aims to provide a screening device for nut finished products, which solves the problems of screen miss and screen leakage rate of the existing screening device for nut finished products through the design of a screening mechanism.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a screening device for nut finished products, which comprises a base; two groups of longitudinal shock absorption pieces which are symmetrically arranged are fixedly connected to one surface of the base; one end of each of the two groups of longitudinal shock absorption pieces is fixedly connected with a first support and a second support respectively; the top surface of the first support and the bottom surface of the second support are both fixedly connected with a vibration motor; a transverse guide rod is fixedly connected between the inner surfaces of the first support and the second support; the side surfaces of the two transverse guide rods are connected with a screening mechanism; the two side surfaces of the screening mechanism and the positions corresponding to the transverse guide rods are fixedly connected with transverse damping springs; the inner walls of the first support and the second support are fixedly connected with reciprocating push rods; one ends of the two reciprocating push rods are connected with the screening mechanism; the screening mechanism comprises a screen seat; the bottom surface of the sieve base is connected with the two transverse guide rods in a sliding manner; one ends of the two reciprocating push rods are fixedly connected with the sieve base; a feeding nozzle is fixedly arranged at the front part of the sieve base; a discharge nozzle is fixedly arranged at the rear part of the sieve base; a group of screening areas which are distributed in a linear array are fixedly arranged on the surface of the screening mechanism and correspond to the positions between the feeding nozzle and the discharging nozzle; the surfaces of the screening areas are respectively provided with a first screening hole part, a second screening hole part and a third screening hole part from front to back; the positions of the bottom surface of the sieve seat, which correspond to the lower parts of the first sieve hole part, the second sieve hole part and the third sieve hole part, are all fixedly connected with a sieve material discharge cover; an annular driving mechanism is fixedly arranged between the inner surfaces of the sieve seats; the circumferential side surface of the annular driving mechanism and the position corresponding to the screening area are connected with an annular conveyer belt; the surfaces of the annular conveying belts are fixedly connected with speed limiting baffles which are arranged in a linear array; and the surface of the screening mechanism is also fixedly provided with a flat limiting component.
Further, the flat limiting assembly comprises a connecting plate; the bottom surface of the connecting plate is fixedly connected with two symmetrically arranged adjusting screws; limiting nuts matched with the sieve base are mounted on the circumferential side surfaces of the two adjusting screws; the bottom surface of the connecting seat is fixedly connected with baffle plates corresponding to the screening area.
Further, the cross sections of the first support and the second support are both U-shaped structures.
Further, the mesh apertures of the first, second and third mesh portions are sequentially increased; the mesh arrangement density and the mesh arrangement area of the first, second and third mesh parts are reduced in sequence.
Furthermore, the transverse damping spring is sleeved outside the transverse guide rod; the sieve seat is obliquely arranged; the cross section of the screening and discharging cover is of a hollow inverted trapezoidal structure.
The invention has the following beneficial effects:
according to the invention, through the design of the screening mechanism, the multi-stage screening process of the nuts can be completed in an automatic mode, and through the arrangement position, the aperture and the density of the plurality of sieve hole parts on the screening area and the speed limiting design of the speed limiting baffle, on one hand, the purpose of screening step by step and step by step can be achieved, on the other hand, the screened time of the nut materials on the screening area can be effectively prolonged, meanwhile, through the design of the vibration motor and the two reciprocating push rods, the materials can move in multiple directions on the screening area, and through the multiple-direction movement, the probability and the times of the nut passing through the sieve holes are greatly increased, and then the screen missing rate and the screen missing rate of the nut materials are reduced.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a screening device for nut finished products;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is a schematic bottom view of the structure of FIG. 1;
FIG. 4 is a schematic view of the structure of the feed nozzle, the first screen section, the second screen section and the third screen section;
in the drawings, the components represented by the respective reference numerals are listed below:
1-base, 2-longitudinal damping piece, 3-first support, 4-second support, 5-transverse guide rod, 6-screening mechanism, 7-transverse damping spring, 8-reciprocating push rod, 9-screen seat, 10-feeding nozzle, 11-discharging nozzle, 12-screening area, 13-first screen hole portion, 14-second screen hole portion, 15-third screen hole portion, 16-screen material discharge cover, 17-annular driving mechanism, 18-annular conveying belt, 19-speed-limiting baffle, 20-level-limiting component and 21-vibrating motor.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention is a screening apparatus for nut products, including a base 1; one surface of the base 1 is fixedly connected with two groups of longitudinal shock absorption pieces 2 which are symmetrically arranged; one end of each of the two groups of longitudinal shock absorbing members 2 is fixedly connected with a first support 3 and a second support 4 respectively; the top surface of the first support 3 and the bottom surface of the second support 4 are both fixedly connected with a vibration motor 21; when the vibrating motor 21 works, the sieve base 9 is driven to move up and down in a reciprocating manner, and then vibrating and reciprocating sieving in the up and down direction is realized; the longitudinal shock absorbing members 2 are used for buffering and protecting in the longitudinal direction;
a transverse guide rod 5 is fixedly connected between the inner surfaces of the first support 3 and the second support 4; the side surfaces of the two transverse guide rods 5 are connected with a screening mechanism 6; the two side surfaces of the screening mechanism 6 and the positions corresponding to the transverse guide rods 5 are fixedly connected with transverse damping springs 7; the inner walls of the first support 3 and the second support 4 are fixedly connected with a reciprocating push rod 8; one ends of the two reciprocating push rods 8 are connected with the screening mechanism 6; the two reciprocating push rods 8 push the screening mechanism 6 to reset in the transverse direction, so that left and right reciprocating screening in the transverse direction is realized, and the transverse damping spring 7 is used for damping protection in the transverse direction;
the screening mechanism 6 comprises a screen seat 9; the bottom surface of the sieve base 9 is connected with the two transverse guide rods 5 in a sliding way; one ends of the two reciprocating push rods 8 are fixedly connected with the sieve base 9; when the reciprocating push rod 8 works, the reciprocating push rod moves in a reciprocating way in a set stroke, then the sieve base 9 is pushed to sieve materials in a reciprocating way, and the front part of the sieve base 9 is fixedly provided with a feeding nozzle 10; a discharge nozzle 11 is fixedly arranged at the rear part of the sieve base 9; a group of screening areas 12 which are distributed in a linear array are fixedly arranged on the surface of the screening mechanism 6 and correspond to the position between the feeding nozzle 10 and the discharging nozzle 11; the surfaces of the screening areas 12 are respectively provided with a first screening hole part 13, a second screening hole part 14 and a third screening hole part 15 from front to back; the positions of the bottom surface of the sieve seat 9, which correspond to the lower parts of the first sieve hole part 13, the second sieve hole part 14 and the third sieve hole part 15, are all fixedly connected with a sieve material discharge cover 16; an annular driving mechanism 17 is fixedly arranged between the inner surfaces of the sieve bases 9; the annular driving mechanism 17 comprises a linear motor, a driving shaft and a driven shaft; one surface of the linear motor is fixedly connected with the sieve base 9, and two ends of the driving shaft and the driven shaft are rotatably connected with the sieve base 9; the peripheral side surfaces of the driving shaft and the driven shaft are connected with an annular conveyer belt 18;
the circumferential side surface of the annular driving mechanism 17 and the position corresponding to the screening area 12 are connected with an annular conveyer belt 18; the surfaces of the group of annular conveying belts 18 are fixedly connected with speed-limiting baffles 19 which are arranged in a linear array, the speed-limiting baffles 19 are used for limiting the flow speed of the materials on the sieve base 9, the screened time of the materials on the sieve base 9 is controlled and prolonged, and the screened effect of the materials is prolonged by prolonging the screening time; screening mechanism 6 surface is the limited flat subassembly 20 of fixed mounting still, and the effect that the flat subassembly 20 of limit set up is guaranteeing that the material is tiled in sieve seat 9 surface when the sieve material, and by dislocation or vertical sieve material when can not taking place the nut sieve material, through limiting flat subassembly 20 to help promoting sieve material effect.
Wherein, as shown in fig. 1, the level limiting assembly 20 comprises a connecting plate; the bottom surface of the connecting plate is fixedly connected with two symmetrically arranged adjusting screws; the peripheral side surfaces of the two adjusting screw rods are respectively provided with a limiting nut matched with the sieve base 9, the limiting nuts are used for adjusting the distance between the baffle plate and the sieve base 9, so that the baffle plate is suitable for screening nuts with different thicknesses, and the bottom surface of the connecting base corresponds to the position of the screening area 12 and is fixedly connected with the baffle plate.
Wherein, as shown in fig. 3, the cross section of the first support 3 and the cross section of the second support 4 are both U-shaped structures.
Wherein as shown in fig. 4, the mesh aperture of the first mesh portion 13, the second mesh portion 14 and the third mesh portion 15 is sequentially increased, and the mesh aperture is sequentially increased, so as to achieve the purpose of screening step by step, the mesh arrangement density and the mesh arrangement area of the first mesh portion 13, the second mesh portion 14 and the third mesh portion 15 are sequentially reduced, and through the arrangement density and the total length design, the screened time of the nut material is effectively prolonged, and then the screen leakage and screen error rate of the nut is reduced.
As shown in fig. 2 and 3, the transverse damping spring 7 is sleeved outside the transverse guide rod 5; the sieve base 9 is arranged obliquely; the cross section of the screen material discharge cover 16 is a hollow inverted trapezoidal structure.
One specific application of this embodiment is: before use, the two vibrating motors 21 work at a set frequency, the two reciprocating push rods 8 are controlled by the controller to enable the sieve base 9 to reciprocate leftwards and rightwards in a set stroke, the rotating speed of the annular driving mechanism 17 is controlled to control the time of the materials to be sieved on the sieve base 9, during sieving, the nuts to be sieved are placed into the feeding nozzle 10 in batches, the nuts to be sieved enter the feeding nozzle 10 in batches and flow towards the sieving area 12 under the action of gravity, after the materials flow to the sieving area 12, the flow rate is limited under the action of the speed limiting baffle 19, the materials are controlled at the upper part of the sieving area 12 under the action of the speed limiting baffle 19, and due to the design of the vibrating motors 21 and the reciprocating push rods 8, the materials can move fully in multiple directions at the upper part of the sieving area 12, and move fully in multiple directions, so that the probability and the second time that the materials flow through sieve holes are enhanced, when the material passes through the first sieve hole part 13, the nut material according with the particle size is discharged by the sieve material discharge cover 16 at the corresponding position, and similarly, the material flowing through the second sieve hole part 14 and the third sieve hole part 15 also flows out by the sieve material discharge cover 16 at the corresponding position, and finally, the waste material which can not be screened is discharged by the discharge nozzle 11.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. A screening device for nut finished products comprises a base (1), wherein two groups of longitudinal shock absorption pieces (2) which are symmetrically arranged are fixedly connected to one surface of the base (1); one end of each of the two groups of longitudinal shock absorption pieces (2) is fixedly connected with a first support (3) and a second support (4) respectively; the top surface of the first support (3) and the bottom surface of the second support (4) are fixedly connected with a vibration motor (21); the method is characterized in that:
a transverse guide rod (5) is fixedly connected between the inner surfaces of the first support (3) and the second support (4); the peripheral sides of the two transverse guide rods (5) are connected with a screening mechanism (6); the two side surfaces of the screening mechanism (6) and the positions corresponding to the transverse guide rods (5) are fixedly connected with transverse damping springs (7); the inner walls of the first support (3) and the second support (4) are fixedly connected with a reciprocating push rod (8); one ends of the two reciprocating push rods (8) are connected with the screening mechanism (6);
the screening mechanism (6) comprises a screen seat (9);
wherein the bottom surface of the sieve seat (9) is connected with the two transverse guide rods (5) in a sliding way; one ends of the two reciprocating push rods (8) are fixedly connected with the sieve base (9); a feeding nozzle (10) is fixedly arranged at the front part of the sieve base (9); a discharge nozzle (11) is fixedly arranged at the rear part of the sieve base (9); a group of screening areas (12) which are distributed in a linear array are fixedly arranged on the surface of the screening mechanism (6) and correspond to the position between the feeding nozzle (10) and the discharging nozzle (11); the surfaces of the screening areas (12) are respectively provided with a first screening hole part (13), a second screening hole part (14) and a third screening hole part (15) from front to back; the sieve seat (9) is fixedly connected with a sieve material discharge cover (16) at the bottom corresponding to the positions below the first sieve hole part (13), the second sieve hole part (14) and the third sieve hole part (15).
2. A screening device for finished nuts, according to claim 1, characterized in that the screening mechanism (6) is also fixedly provided with a limiting flat component (20) on the surface.
3. A screening device for finished nuts, according to claim 2, characterized in that said level limiting assembly (20) comprises a connection plate; the bottom surface of the connecting plate is fixedly connected with two symmetrically arranged adjusting screws; limiting nuts matched with the sieve base (9) are arranged on the peripheral side surfaces of the two adjusting screws; the bottom surface of the connecting seat is fixedly connected with baffle plates corresponding to the screening area (12).
4. A screening device for finished nut products according to claim 1, characterized in that the first support (3) and the second support (4) are both U-shaped in cross section.
5. A screening arrangement for finished nut products according to claim 1, characterized in that the mesh diameters of the first, second and third mesh parts (13, 14, 15) increase in sequence; the mesh arrangement density and the mesh arrangement area of the first mesh part (13), the second mesh part (14) and the third mesh part (15) are reduced in sequence.
6. A screening device for nut finished products according to claim 1, characterized in that the transverse damping spring (7) is sleeved outside the transverse guide rod (5).
7. A screening device for finished nuts, according to claim 1, characterized in that the screen seat (9) is arranged obliquely.
8. A screening device for finished nut products according to claim 1, characterized in that an annular driving mechanism (17) is fixedly arranged between the inner surfaces of the screen seat (9); the circumferential side surface of the annular driving mechanism (17) and the position corresponding to the screening area (12) are connected with an annular conveyer belt (18); the surfaces of the annular conveying belts (18) are fixedly connected with speed-limiting baffles (19) which are arranged in a linear array.
9. A screening device for finished nut products according to claim 1, characterized in that the screen material discharge hood (16) is of a hollow inverted trapezoidal structure in cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010412116.1A CN111530750B (en) | 2020-05-15 | 2020-05-15 | Screening device for nut finished products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010412116.1A CN111530750B (en) | 2020-05-15 | 2020-05-15 | Screening device for nut finished products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111530750A true CN111530750A (en) | 2020-08-14 |
| CN111530750B CN111530750B (en) | 2021-07-09 |
Family
ID=71977792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010412116.1A Expired - Fee Related CN111530750B (en) | 2020-05-15 | 2020-05-15 | Screening device for nut finished products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111530750B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112850089A (en) * | 2021-01-04 | 2021-05-28 | 乌日汉 | Hardware machined part screening and discharging device |
| CN114260179A (en) * | 2021-12-31 | 2022-04-01 | 河北建龙丽砂宝新型建材有限公司 | Can improve screening efficiency's tailing material screening plant |
| CN114273227A (en) * | 2021-12-29 | 2022-04-05 | 嘉兴金凌五金科技股份有限公司 | High-strength square nut processing and screening device convenient for screening and used for nuclear power |
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| CN101850337A (en) * | 2010-04-27 | 2010-10-06 | 新疆农业科学院农业机械化研究所 | Variable-gap roll shaft fruit and vegetable classifier |
| CN204735436U (en) * | 2015-06-24 | 2015-11-04 | 海盐嘉海五金有限公司 | Zinc -plating nut sieving mechanism |
| CN205288969U (en) * | 2015-12-09 | 2016-06-08 | 钟祥市大生化工有限公司 | A vibration screening device for producing phosphorus ammonium |
| CN208238499U (en) * | 2018-04-19 | 2018-12-14 | 江西沃邦农业科技有限公司 | A kind of dry screening plant of chemical fertilizer production |
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| CN110665818A (en) * | 2019-10-25 | 2020-01-10 | 盐城哈力动力传动及智能装备产业研究院有限公司 | Sorting device and sorting method for gear machining |
| CN110721902A (en) * | 2019-11-29 | 2020-01-24 | 天津市六合利农副产品初加工有限公司 | A horizontal multistage sorting unit for chilli sauce production |
| CN210080040U (en) * | 2019-06-11 | 2020-02-18 | 钟丹 | Electromagnetic bidirectional vibrating screen feeding device |
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2020
- 2020-05-15 CN CN202010412116.1A patent/CN111530750B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2233256B (en) * | 1989-06-29 | 1993-07-21 | John Dacre Dunlop | A grading machine |
| CN101850337A (en) * | 2010-04-27 | 2010-10-06 | 新疆农业科学院农业机械化研究所 | Variable-gap roll shaft fruit and vegetable classifier |
| CN204735436U (en) * | 2015-06-24 | 2015-11-04 | 海盐嘉海五金有限公司 | Zinc -plating nut sieving mechanism |
| CN205288969U (en) * | 2015-12-09 | 2016-06-08 | 钟祥市大生化工有限公司 | A vibration screening device for producing phosphorus ammonium |
| CN208303213U (en) * | 2018-03-28 | 2019-01-01 | 中铝稀土（阜宁）有限公司 | A kind of rare-earth mineral screening plant |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112850089A (en) * | 2021-01-04 | 2021-05-28 | 乌日汉 | Hardware machined part screening and discharging device |
| CN114273227A (en) * | 2021-12-29 | 2022-04-05 | 嘉兴金凌五金科技股份有限公司 | High-strength square nut processing and screening device convenient for screening and used for nuclear power |
| CN114260179A (en) * | 2021-12-31 | 2022-04-01 | 河北建龙丽砂宝新型建材有限公司 | Can improve screening efficiency's tailing material screening plant |
| CN114260179B (en) * | 2021-12-31 | 2024-01-23 | 河北建龙丽砂宝新型建材有限公司 | Tailing screening device capable of improving screening efficiency |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111530750B (en) | 2021-07-09 |
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