CN113399249B - Vibrating sand screening machine for fine steel preparation - Google Patents
Vibrating sand screening machine for fine steel preparation Download PDFInfo
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- CN113399249B CN113399249B CN202110819621.2A CN202110819621A CN113399249B CN 113399249 B CN113399249 B CN 113399249B CN 202110819621 A CN202110819621 A CN 202110819621A CN 113399249 B CN113399249 B CN 113399249B
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- sand
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- iron ore
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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
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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
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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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
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
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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
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/52—Cleaning with brushes or scrapers
- B07B1/526—Cleaning with brushes or scrapers with scrapers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a vibrating sand screening machine for refined steel preparation, which structurally comprises a sand screening host machine, a vibrating frame, a vibrating motor and a supporting frame, wherein the outer side surface of the sand screening host machine is welded with the vibrating frame, the vibrating frame is fixedly arranged at the top of the supporting frame, a sliding shaft at the outer side of a dispersion guide plate slides up and down in a sliding rail, at the moment, iron ore slides down along a guide groove, the shake and dispersion of the iron ore are improved, friction among the iron ore is reduced, so that magnetism generated by the iron ore is reduced, a screen plate is driven to swing in the swinging frame through a swinging shaft, the screening effect of the screen plate on the iron ore is improved, the range of swing of a swinging rod is avoided to be overlarge through a limiting groove arranged at the lower end of a supporting rod, sand and stone impurities accumulated on the surface of the screen plate are scraped by a scraping strip at the bottom of the pushing plate, and meanwhile, a pushing block stretches out and draws back in the lower end of the pushing plate, so that the effect of cleaning the sand and stone impurities on the surface of the screen plate is improved.
Description
Technical Field
The invention relates to the technical field of preparation of fine steel products, in particular to a vibrating sand screening machine for preparing fine steel products.
Background
The source of steel is iron ore sand, after the iron ore sand is mined, contain more grit impurity, iron ore sand raw materials need use the fine steel to prepare and screen with the shale shaker sand machine before preparing into steel to it, with iron ore sand and grit impurity separation, thereby obtain the higher iron ore sand of purity, but because the iron ore sand produces great friction when vibrating the screening in the inside of shale shaker sand machine, thereby produce magnetism between the iron ore sand, take place magnetic adsorption, cause the iron ore sand in the in-process that sieves, the iron ore sand is difficult to take place to adsorb with the sieve plate, the iron ore sand is difficult to sieve from the sieve plate inside, the iron ore sand adsorbs and is easy to take place to pile up on the sieve plate simultaneously, lead to the sand and stone impurity to be difficult to discharge from the impurity discharging mouth of shale shaker, lead to the separation effect between iron ore sand and the grit impurity to decline, the screening purity of iron ore sand has been reduced.
Disclosure of Invention
The technical scheme adopted for realizing the technical purpose of the invention is as follows: this fine steel preparation is with vibration screen sand machine, its structure includes screen sand host computer, vibrating frame, vibrating motor, support frame, screen sand host computer outside surface welds mutually with the vibrating frame to vibrating frame fixed mounting is at the support frame top, screen sand host computer outside middle-end is equipped with vibrating motor, screen sand host computer includes screen box, dispersion mechanism, sieves the mechanism, prevents piling up mechanism, discharge gate, screen box outside surface welds mutually with the vibrating frame, screen box upper end inside is equipped with dispersion mechanism, dispersion mechanism is located screening mechanism top, screen mechanism left lower extreme is inconsistent with preventing piling up mechanism lower extreme, screen box left lower extreme builds in and installs the discharge gate and link up mutually.
As a further improvement of the invention, the dispersing mechanism comprises a dispersing guide plate, a sliding shaft, a sliding rail and a guide groove, wherein the sliding shaft is arranged at the outer side of the dispersing guide plate and is slidably arranged in the sliding rail, the sliding rail is fixedly arranged on the inner wall of the screening box, the guide groove is embedded in the upper end of the dispersing guide plate, the dispersing guide plate is positioned above the screening mechanism and is in a font structure, the sliding shaft and the sliding rail are arranged at four corners of the outer side of the dispersing guide plate, and a spring is further arranged at the lower end of the inner part of the sliding rail.
As a further improvement of the invention, the sieving mechanism comprises a swinging frame, a sieving plate, a guide block, a swinging shaft, a cleaning mechanism and a positioning ball, wherein the sieving plate is arranged in the swinging frame, the swinging shaft is arranged at the outer side end of the sieving plate, the swinging shaft is slidably arranged at the outer side of the guide block, the cleaning mechanism is arranged at the bottom of the inner side of the swinging frame, the upper end of the cleaning mechanism is arranged in the sieving plate in a clearance fit manner, the lower end of the positioning ball is fixedly arranged in the middle of the cleaning mechanism, the upper end of the positioning ball is arranged at the middle end of the inner part of the sieving plate in a clearance fit manner, and the sieving plate is arranged at a low inclination angle with the right end higher than the left end.
As a further improvement of the invention, the cleaning mechanism comprises a supporting plate and a dredging fine guide pipe, wherein the supporting plate is arranged at the bottom of the inner side of the swinging frame, the dredging fine guide pipe penetrates through the supporting plate, the upper end of the dredging fine guide pipe is arranged in the sieve plate in a clearance fit manner, and the dredging fine guide pipe is of an arc-shaped structure and is matched with the sieving holes in the sieve plate.
As a further improvement of the invention, the anti-accumulation mechanism comprises a supporting rod, a torsion shaft, a swinging rod and a pushing mechanism, wherein the supporting rod is fixedly arranged in the screening box, the lower end of the supporting rod is hinged with the upper end of the swinging rod through the torsion shaft, the lower end of the swinging rod is fixed with the upper end face of the pushing mechanism, and a limiting groove is formed in the joint of the lower end of the supporting rod and the swinging rod.
As a further improvement of the invention, the pushing mechanism comprises a pushing plate, a scraping strip and a pushing block, wherein the upper end face of the pushing plate is fixed with the lower end of the swinging rod, the scraping strip is arranged on the bottom face of the pushing plate, the pushing block is installed in the lower end of the pushing plate in a clearance fit manner, and the scraping strip is in a semi-cylindrical structure.
The invention has the beneficial effects that:
1. the sliding shaft outside the dispersion guide plate slides up and down in the sliding rail, at this time, the iron ore sand slides down along the guide groove, the shake dispersion is carried out on the iron ore sand, friction between the iron ore sand is reduced, thereby magnetism generated by the iron ore sand is reduced, the swing shaft drives the screen plate to swing in the swing frame, and the screening effect of the screen plate on the iron ore sand is improved.
2. Through the spacing recess that the bracing piece lower extreme set up, avoid swinging arms wobbling scope too big, the scraping strip of push pedal bottom will sieve the stacked grit impurity of board surface and strike off, contradict the piece simultaneously and stretch out and draw back in push pedal lower extreme inside, improve the effect of clear up the grit impurity of sieving the board surface to improve the separation effect of iron ore sand and grit impurity.
Drawings
FIG. 1 is a schematic diagram of a vibrating screen sand machine for preparing fine steel products.
Fig. 2 is a schematic diagram of an internal structure of a sand screening host according to the present invention.
Fig. 3 is a schematic perspective view of a dispersing mechanism according to the present invention.
Fig. 4 is a schematic view of a sieving mechanism and a partially enlarged structure according to the present invention.
Fig. 5 is a schematic view of a part of a cleaning mechanism according to the present invention.
Fig. 6 is a schematic structural view of an anti-stacking mechanism according to the present invention.
Fig. 7 is a schematic perspective view of a pushing mechanism according to the present invention.
In the figure: the sand screening machine comprises a sand screening machine body-1, a vibration frame-2, a vibration motor-3, a support frame-4, a screening box-11, a dispersing mechanism-12, a screening mechanism-13, an anti-accumulation mechanism-14, a discharge hole-15, a dispersing guide plate-121, a sliding shaft-122, a sliding rail-123, a guide groove-124, a swinging frame-131, a screening plate-132, a guide block-133, a swinging shaft-134, a cleaning mechanism-135, a positioning ball-136, a support plate-35 a, a dredging fine guide pipe-35 b, a support rod-141, a torsion shaft-142, a swinging rod-143, a pushing mechanism-144, a push plate-44 a, a scraping bar-44 b and a collision block-44 c.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in fig. 1 to 5:
the invention relates to a vibrating sand screening machine for refined steel preparation, which structurally comprises a sand screening main machine 1, a vibrating frame 2, a vibrating motor 3 and a supporting frame 4, wherein the outer side surface of the sand screening main machine 1 is welded with the vibrating frame 2, the vibrating frame 2 is fixedly arranged at the top of the supporting frame 4, the vibrating motor 3 is arranged at the middle end of the outer side of the sand screening main machine 1, the sand screening main machine 1 comprises a screening box 11, a dispersing mechanism 12, a screening mechanism 13, an anti-accumulation mechanism 14 and a discharge hole 15, the outer side surface of the screening box 11 is welded with the vibrating frame 2, the dispersing mechanism 12 is arranged in the upper end of the screening box 11, the dispersing mechanism 12 is positioned above the screening mechanism 13, the left lower end of the screening mechanism 13 is abutted against the lower end of the anti-accumulation mechanism 14, and the discharge hole 15 is fixedly embedded in the left lower end of the screening box 11 and communicated with the same.
Wherein, dispersion mechanism 12 includes dispersion deflector 121, sliding shaft 122, slide rail 123, guide way 124, the dispersion deflector 121 outside is equipped with sliding shaft 122 to sliding shaft 122 slidable mounting is inside slide rail 123, slide rail 123 fixed mounting is at screening case 11 inner wall, guide way 124 inlays inside dispersion deflector 121 upper end, dispersion deflector 121 is located screening mechanism 13 top, dispersion deflector 121 is V style of calligraphy structure to dispersion deflector 121's outside four corners all is equipped with sliding shaft 122 and slide rail 123, and the inside lower extreme of slide rail 123 still is equipped with the spring, does benefit to dispersion deflector 121 and carries out the upper and lower slip in screening case 11 inside, improves and shakes the dispersion to the iron ore, reduces the friction between the iron ore, thereby reduces the magnetism that the iron ore produced.
The screening mechanism 13 comprises a swinging frame 131, a screening plate 132, a guide block 133, a swinging shaft 134, a cleaning mechanism 135 and a positioning ball 136, wherein the screening plate 132 is installed in the swinging frame 131, the swinging shaft 134 is arranged at the outer side end of the screening plate 132, the swinging shaft 134 is slidably installed at the outer side of the guide block 133, the cleaning mechanism 135 is arranged at the inner bottom of the swinging frame 131, the upper end of the cleaning mechanism 135 is installed in the screening plate 132 in a clearance fit manner, the lower end of the positioning ball 136 is fixedly installed in the middle of the cleaning mechanism 135, the upper end of the positioning ball 136 is installed at the middle end of the inner side of the screening plate 132 in a clearance fit manner, the screening plate 132 is installed at a low inclination angle with the right end and the left end, the vibrating screening effect on the iron ore sand is improved, sand impurities in the iron ore sand can be guided and discharged after screening, and sand impurities are reduced.
The cleaning mechanism 135 comprises a supporting plate 35a and a dredging fine duct 35b, the supporting plate 35a is arranged at the bottom of the inner side of the swing frame 131, the dredging fine duct 35b penetrates through the supporting plate 35a, the upper end of the dredging fine duct 35b is installed inside the sieving plate 132 in a clearance fit mode, the dredging fine duct 35b is of an arc-shaped structure and is matched with sieving holes in the sieving plate 132, and accordingly iron ore sand adsorbed on the sieving plate 132 is dredged, and blocking is avoided.
Specific use and action of the embodiment:
in the invention, the vibrating motor 3 is started to drive the screening box 11 to vibrate, then the iron ore sand is put into the screening box 11 from the opening at the upper end of the screening box 11, the iron ore sand is firstly contacted with the dispersing guide plate 121, the separated sand and sand impurities are discharged out of the inside of the screening box 11 through the weight of the iron ore sand and the vibrating screening box 11, the sliding shaft 122 outside the dispersing guide plate 121 slides up and down in the sliding rail 123, at the moment, the iron ore sand slides down along the guide groove 124, so that the iron ore sand is dispersed and discharged to the screening plate 132, the shaking dispersion of the iron ore sand is improved, the friction between the iron ore sand is reduced, the magnetism generated by the iron ore sand is reduced, the iron ore sand is screened on the screening plate 132, during screening, the swinging shaft 134 drives the screening plate 132 to swing in the swing frame 131, the separated sand and sand impurities are discharged out of the inside of the screening box 11 through the guide block 133, the fine guide tube 35b is extended into the inside the screening plate 132, and the iron ore sand adsorbed on the screening plate 132 is prevented from being blocked on the screening plate 132.
Example 2:
as shown in fig. 6 to 7:
the stacking prevention mechanism 14 comprises a supporting rod 141, a torsion shaft 142, a swinging rod 143 and a pushing mechanism 144, the supporting rod 141 is fixedly installed inside the screening box 11, the lower end of the supporting rod 141 is hinged to the upper end of the swinging rod 143 through the torsion shaft 142, the lower end of the swinging rod 143 is fixed to the upper end face of the pushing mechanism 144, a limiting groove is formed in the joint of the lower end of the supporting rod 141 and the swinging rod 143, the swinging range of the swinging rod 143 is limited, and excessive swinging of the swinging rod 143 is avoided.
Wherein, pushing mechanism 144 includes push pedal 44a, scrapes strip 44b, conflict piece 44c, push pedal 44a up end is fixed mutually with the swinging arms 143 lower extreme to push pedal 44a bottom surface is equipped with scrapes strip 44b, conflict piece 44c adopts clearance fit to install inside push pedal 44a lower extreme, scrape strip 44b and be semi-cylindrical structure, do benefit to and strike off the grit impurity that screen 132 surface was piled up, avoid the piling up of grit impurity, thereby improve the separation effect of iron ore sand and grit impurity.
Specific use and action of the embodiment:
in the invention, during sieving, the swinging rod 143 swings through the torsion connection of the torsion shaft 142, so that the push plate 44a is driven to reciprocate on the upper end surface of the sieving plate 132, the swinging range of the swinging rod 143 is prevented from being too large through the limiting groove arranged at the lower end of the supporting rod 141, so that sand and stone impurities partially accumulated on the upper end surface of the sieving plate 132 are pushed, the sand and stone impurities accumulated on the surface of the sieving plate 132 are scraped by the scraping strip 44b at the bottom of the push plate 44a, and meanwhile, the pushing block 44c stretches and contracts in the lower end of the push plate 44a, so that the effect of cleaning the sand and stone impurities on the surface of the sieving plate 132 is improved, the accumulation of the sand and stone impurities is avoided, and the separation effect of iron ore sand and stone impurities is improved.
By utilizing the technical scheme of the invention or under the inspired by the technical scheme of the invention, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical scheme falls into the protection scope of the invention.
Claims (1)
1. The utility model provides a fine steel preparation is with vibrating screen sand machine, its structure includes screen sand host computer (1), vibration frame (2), vibrating motor (3), support frame (4), screen sand host computer (1) outside surface welds with vibration frame (2) mutually to vibration frame (2) fixed mounting is at support frame (4) top, screen sand host computer (1) outside middle-end is equipped with vibrating motor (3), its characterized in that:
the sand sieving host machine (1) comprises a sieving box (11), a dispersing mechanism (12), a sieving mechanism (13), an anti-accumulation mechanism (14) and a discharge hole (15), wherein the outer side surface of the sieving box (11) is welded with a vibrating frame (2), the dispersing mechanism (12) is arranged in the upper end of the sieving box (11), the dispersing mechanism (12) is positioned above the sieving mechanism (13), the left lower end of the sieving mechanism (13) is abutted to the lower end of the anti-accumulation mechanism (14), and the discharge hole (15) is fixedly embedded in the left lower end of the sieving box (11) and communicated with the sieving box;
the dispersing mechanism (12) comprises a dispersing guide plate (121), a sliding shaft (122), a sliding rail (123) and a guide groove (124), wherein the sliding shaft (122) is arranged on the outer side of the dispersing guide plate (121), the sliding shaft (122) is slidably installed inside the sliding rail (123), the sliding rail (123) is fixedly installed on the inner wall of the screening box (11), the guide groove (124) is embedded inside the upper end of the dispersing guide plate (121), the dispersing guide plate (121) is located above the screening mechanism (13), and a spring is further arranged at the lower end inside the sliding rail (123), so that the dispersing guide plate (121) can slide up and down inside the screening box (11), shaking dispersion of iron ore sand is improved, friction between the iron ore sand is reduced, and magnetism generated by the iron ore sand is reduced;
the screening mechanism (13) comprises a swinging frame (131), a screening plate (132), a guide block (133), a swinging shaft (134), a cleaning mechanism (135) and a positioning ball (136), wherein the screening plate (132) is installed inside the swinging frame (131), the swinging shaft (134) is arranged at the outer side end of the screening plate (132), the swinging shaft (134) is slidably installed at the outer side of the guide block (133), the cleaning mechanism (135) is arranged at the inner side bottom of the swinging frame (131), the upper end of the cleaning mechanism (135) is installed inside the screening plate (132) in a clearance fit manner, the lower end of the positioning ball (136) is installed in the middle of the cleaning mechanism (135) in a clearance fit manner, the positioning ball (136) is installed at the middle inside of the screening plate (132), the screening plate (132) is installed at a low inclination angle with the right end and the high and the left end, so that the vibrating screening effect on iron ore sand is improved, and sand impurities in the iron ore sand can be guided and discharged after the sand is screened, and sand impurities are accumulated are reduced;
the cleaning mechanism (135) comprises a supporting plate (35 a) and a dredging fine guide pipe (35 b), the supporting plate (35 a) is arranged at the bottom of the inner side of the swing frame (131), the dredging fine guide pipe (35 b) penetrates through the supporting plate (35 a), the upper end of the dredging fine guide pipe (35 b) is installed inside the screening plate (132) in a clearance fit mode, the dredging fine guide pipe (35 b) is of an arc-shaped structure and is matched with screening holes in the screening plate (132), and iron ore sand adsorbed on the screening plate (132) is dredged, so that blocking is avoided;
the anti-accumulation mechanism (14) comprises a supporting rod (141), a torsion shaft (142), a swinging rod (143) and a pushing mechanism (144), wherein the supporting rod (141) is fixedly arranged inside the screening box (11), the lower end of the supporting rod (141) is hinged with the upper end of the swinging rod (143) through the torsion shaft (142), the lower end of the swinging rod (143) is fixed with the upper end face of the pushing mechanism (144), a limiting groove is formed in the joint of the lower end of the supporting rod (141) and the swinging rod (143), and limits the swinging range of the swinging rod (143) to avoid excessive swinging of the swinging rod (143);
pushing mechanism (144) are including push pedal (44 a), scrape strip (44 b), conflict piece (44 c), push pedal (44 a) up end is fixed mutually with swinging arms (143) lower extreme to push pedal (44 a) bottom surface is equipped with scrapes strip (44 b), conflict piece (44 c) adopt clearance fit to install inside push pedal (44 a) lower extreme, scrape strip (44 b) and be semi-cylindrical structure, do benefit to and scrape the grit impurity of screen board (132) surface pile up, avoid piling up of grit impurity to improve the separation effect of iron ore sand and grit impurity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110819621.2A CN113399249B (en) | 2021-07-20 | 2021-07-20 | Vibrating sand screening machine for fine steel preparation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110819621.2A CN113399249B (en) | 2021-07-20 | 2021-07-20 | Vibrating sand screening machine for fine steel preparation |
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| CN113399249A CN113399249A (en) | 2021-09-17 |
| CN113399249B true CN113399249B (en) | 2023-04-28 |
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| CN202110819621.2A Active CN113399249B (en) | 2021-07-20 | 2021-07-20 | Vibrating sand screening machine for fine steel preparation |
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| CN114769111B (en) * | 2022-03-10 | 2023-02-28 | 郑州铁路职业技术学院 | Raw materials sieving mechanism for chemical industry energy |
| CN115532393A (en) * | 2022-08-18 | 2022-12-30 | 朱堃 | Organic solid waste treatment equipment with high anti-pollution treatment efficiency |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104907250A (en) * | 2015-07-03 | 2015-09-16 | 梧州学院 | Linear vibratory screen based on jewel sorting |
| CN207154134U (en) * | 2017-09-09 | 2018-03-30 | 深圳市晋荣混凝土有限公司 | A kind of material-pulling device of vibratory sieve |
| CN208810532U (en) * | 2018-05-30 | 2019-05-03 | 唐山宏通玛钢有限公司 | Vibrating sand-screening device is used in a kind of preparation of steel |
| CN211463825U (en) * | 2019-12-09 | 2020-09-11 | 南京韦尔夫斯塑胶制品有限公司 | Screening and collecting device of modified plastic extrusion production line |
| CN111760787A (en) * | 2020-07-13 | 2020-10-13 | 许光福 | Sand sieving mechanism for construction |
| CN112058651A (en) * | 2020-09-08 | 2020-12-11 | 余姚升朴生物技术有限公司 | Screening anti-blocking device for biological feed |
| CN113000364A (en) * | 2021-02-26 | 2021-06-22 | 陈豪杰 | Agricultural production soybean seed screening installation |
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Effective date of registration: 20230410 Address after: 276000 Honglingbu Village, Xianggong Street Office, Hedong District, Linyi City, Shandong Province Applicant after: Linyi Mingchen Casting Materials Co.,Ltd. Address before: 213022 floor 7, Jincheng building, 38 Hanjiang Middle Road, Xinbei District, Changzhou City, Jiangsu Province Applicant before: Peng Jiashao |
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