CN102430522B - Gravity grading and stoning machine for grains - Google Patents
Gravity grading and stoning machine for grains Download PDFInfo
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- CN102430522B CN102430522B CN201110447466.2A CN201110447466A CN102430522B CN 102430522 B CN102430522 B CN 102430522B CN 201110447466 A CN201110447466 A CN 201110447466A CN 102430522 B CN102430522 B CN 102430522B
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Abstract
The invention relates to a gravity grading and stoning machine for grains, which comprises a screen body, a wind suction device, a feeding device, vibrating motors, a discharge port and a vibrating support, wherein an upper-layer screen surface and a lower-layer screen surface are arranged in the screen body, the upper-layer screen surface comprises an upper-layer screen piece and a material equalizing section, and the lower-layer screen surface comprises a lower-layer screen piece and a fine screening plate. The upper-layer screen surface is communicated with a light-weight material outlet, the lower-layer screen surface is communicated with a heavy-weight material outlet, a channel connected with the fine screening plate is arranged at the top end of the material equalizing section, and the top end of the fine screening plate is communicated with a stone discharge port. The feeding device is provided with a material receiving plate, a pressure control plate, a material equalizing plate and a material receiving diversion plate. The vibrating motors are respectively mounted on two side walls of the screen body, and the upper-layer screen piece and the lower-layer screen piece are mounted on a mounting frame on the side surfaces of the screen body through bolts in a hanging way. According to the gravity grading and stoning machine for grains, disclosed by the invention, through improvement to the feeding device, materials are equalized three times on the feeding device and uniformly distributed, therefore the grading and stoning effect is improved. The external vibrating motors are reasonable in vibration direction and low in power consumption. The upper-layer screen piece and the lower-layer screen piece are mounted in a hanging way, and the using performance of the screen pieces is better.
Description
Technical field
The invention belongs to grain processing equipment technical field, relate to a kind of grain grading and remove deimpurity equipment, be specifically related to a kind of cereal stone removing machine by use of principle.
Background technology
In grain processing industry, the quality grading of grain and dedusting cleaning equipment are most important to the quality of cereal product.Stone removing machine by use of principle is the grain grading that generally adopts of grain processing industry and the equipment of purifying and dedusting.Stone removing machine by use of principle is to utilize floating velocity difference between grain and heavily assorted (as stone, metal, glass etc.) and the difference of the floating velocity between heavy, light grain grain, continuously except Shi Hechong, the gently classification of grain, both isolated weight impurity, effectively weight, light grain had been carried out to classification again.The de-stone effect of the stone removing machine by use of principle of prior art is fair, but the operation that separates the wheat inferior of 1%-2% is difficult for carrying out.Subject matter is: 1. the lightweight wheat ratio separating is higher, and 2. too much containing wheat in stone, 3. operation is unstable, often changes.Analyze reason mainly: 1. charging skewness, 2. inlet amount is unstable, is 3. equipped with air quantity unstable.
Granted publication number is that the utility model patent of CN201799413U discloses " a kind of stone removing machine by use of principle; relate to grain processing material cleaning equipment; comprise frame; the angle regulator in frame, sieve nest, charging/discharging device, air intake device, rubber spring and vibrating motor; it is characterized in that, between the front end of upper strata sieve nest of feed inlet end and frame front end sieve nest location-plate, punishment in advance slotted eye is set, the horizontal clearance of punishment in advance slotted eye is 10-18mm.Beneficial effect is by punishment in advance slotted eye being set between the front end of upper strata compass screen surface and frame front end sieve nest location-plate, can make large stone on the former upper strata sieve nest that is trapped in charging aperture and heavy material fall to smoothly lower floor's compass screen surface by punishment in advance slotted eye clears up, improved de-stone effect, the production efficiency and the economic benefit that are conducive to improve applying unit, be widely used in powder process enterprise.”。But this utility model patent does not solve the ropy problem of the inhomogeneous classification causing of above-mentioned charging.
Summary of the invention
For overcoming above-mentioned the deficiencies in the prior art, the invention provides a kind of cereal stone removing machine by use of principle, drawing-in device is improved, realize being uniformly distributed of processed grain materials, improve classification de-stone effect, improve the quality of processed cereal product.
A stone removing machine by use of principle, comprises sieve nest, air intake device, drawing-in device, two vibrating motors, discharging opening and vibration mountings.Sieve nest is connected with air intake device by aspiration channel, and the entrance of drawing-in device is connected with charging aperture by feed pipe.Discharging opening comprises light material outlet, the outlet of heavy material and row's stone mouth.In sieve nest, be provided with upper strata compass screen surface and lower floor's compass screen surface, upper strata compass screen surface consists of upper strata sieve and homocline section, and lower floor's compass screen surface consists of lower floor's sieve and handpicking board.Upper strata sieve is communicated with light material outlet, and lower floor's sieve is communicated with the outlet of heavy material, and homocline section top is provided with the passage being connected with handpicking board, and handpicking board top is communicated with row's stone mouth.Drawing-in device consists of the plate that connects material, pressure control panel, equal flitch and the deflector that connects material, the plate that connects material is positioned at the below of drawing-in device entrance, all flitch is positioned at the arrival end of homocline section, and the deflector that connects material is connecting material between plate and equal flitch, and pressure control panel is positioned at the port of export of the deflector that connects material.Two vibrating motors are arranged on two sidewalls of sieve nest bottom, and upper strata sieve and lower floor's sieve are hung on the installing rack that is arranged on sieve nest side with bolt.
The deflector that connects material is " L " shape structure.Vibration mounting comprises anterior vibration mounting and rear portion vibration mounting, and anterior vibration mounting is rubber spring structure, and rear portion vibration mounting is equipped with rubber spring and supports and guiding mechanism.The bottom of charging aperture is provided with differential pressure gauge.Pressure control panel consists of rubber slab and steel plate, and the top of pressure control panel is rubber slab, and bottom is steel plate, rubber slab be fixed on the plate that connects material below.Aspiration channel and feed pipe are elastic tube structure, and preferably the material of aspiration channel and feed pipe is for being rubber hose.Upper strata sieve is perforated plate construction, and the aperture of porous plate is determined according to the kind of processed grain.The material of lower floor's sieve is braided steel wire web frame.
Processed grain materials is sent into cereal stone removing machine by use of principle by apparatus for feeding, the plate that connects material that enters drawing-in device through charging aperture carries out first homocline, material after first homocline flows to and connects material on deflector, material carries out homocline again on the deflector that connects material, and the distribution through the material of twice homocline by pressure control panel is scattered in carries out homocline for the third time on equal flitch.Adopt pressure control panel, make material in the process flowing downward, be subject to certain elastic resistance, laterally separate, avoid local dense, guaranteed that material is in even, the consistent distribution of sieve cross direction.
The present invention utilizes the design feature of drawing-in device, material to be machined carries out three homoclines in drawing-in device fill process, make material being uniformly distributed in homocline section, for material has been created good condition in upper and lower layer compass screen surface classification de-stone process, be conducive to improve the classification de-stone effect of grain, improve the quality of processed grain.Owing to being evenly distributed, reduced in stone with the problem of grain, from Pai Shikou, do not flow out good quality wheat, improve processed grain yield rate, both guaranteed that de-stone efficiency is high, improved again output.Vibrating motor is arranged on two sidewalls of sieve nest, and external vibrating motor drives the regular vibration of sieve nest, reasonably direction of vibration and Angulation changes material operation system, reduced the moving consumption of specific yield; Vibrating motor is external simultaneously, has expanded the space of light material outlet and the outlet of heavy material, is conducive to improve the working ability of cereal stone removing machine by use of principle.Shang, upper strata sieve is hung on the installing rack that is arranged on sieve nest side by bolt respectively, be strained and fixed, guarantee that the upper plane of sieve is close to the upper plane of vibrating body side plate guide groove, compass screen surface is difficult for play, the serviceability that is conducive to improve upper and lower layer sieve, increases the service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of cereal stone removing machine by use of principle of the present invention;
Fig. 2 is the structural representation of drawing-in device;
The schematic diagram of Fig. 3 pressure control panel;
The scheme of installation of Fig. 4 sieve.
Wherein:
1-charging aperture, 2-feed pipe, 3-drawing-in device, 4-homocline section, 5-handpicking board, 6-Pai Shikou, 7-sieve nest, 8-rear portion vibration mounting, 9-air intake device, 10-aspiration channel ,11— upper strata sieve, 12-light material outlet ,13— lower floor sieve, the outlet of 14-heavy material, 15-vibrating motor, 16-support, the 17-plate that connects material, 18-pressure control panel, 19-equal flitch, 20-drawing-in device entrance, the 21-deflector that connects material, 22-rubber slab, 23-steel plate, 24-bolt, 25-windowpane, 26-front portion vibrations bearing.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Cereal stone removing machine by use of principle of the present invention as shown in Figure 1, comprises sieve nest 7, air intake device 9, drawing-in device 3, two vibrating motors 15, discharging opening, anterior vibration mounting 26He rear portion vibration mounting 8.Sieve nest is connected with air intake device by aspiration channel 10, and air intake device is connected with pumped vacuum systems, and aspiration channel and feed pipe are all made by rubber hose.The entrance 20 of drawing-in device is connected with charging aperture 1 by feed pipe 2, and charging aperture is connected to grain materials conveying equipment by pipeline.Discharging opening comprises light material outlet 12, heavy material outlet 14 and row's stone mouth 6.In sieve nest 7, be provided with upper strata compass screen surface and lower floor's compass screen surface.Upper strata compass screen surface consists of upper strata sieve 11 and homocline section 4, and anterior for sieve rear portion, upper strata is that homocline Duan， upper strata sieve is perforated plate construction, the aperture of porous plate is determined according to the kind of processed grain.Lower floor's compass screen surface consists of lower floor's sieve 13 and handpicking board 5, and lower floor's sieve is positioned at front portion, and handpicking board is positioned at rear portion, and the material of lower floor's sieve is braided steel wire net, and the mesh size of braided steel wire net is determined according to the kind of processed grain.Upper strata sieve is large aperture sieve, and lower floor's sieve is small-bore sieve, and the size of concrete sieve aperture is selected according to the particle diameter of processed grain.Upper strata sieve 11 is communicated with light material outlet 12, and lower floor's sieve 13 is communicated with the outlet of heavy material, and homocline section top is provided with the passage being connected with handpicking board, and handpicking board top is communicated with row's stone mouth.As shown in Figure 2, drawing-in device 3 is provided with the plate 17 that connects material, pressure control panel 18, equal flitch 19 and the deflector 21 that connects material.The plate that connects material is positioned at the below of drawing-in device entrance 20, and all flitch is positioned at the arrival end of homocline section 4, and the deflector that connects material is connecting material between plate and equal flitch, and the deflector 21 that connects material is for " L " shape structure, and pressure control panel is positioned at the port of export of the deflector that connects material.As shown in Figure 3, pressure control panel 18 consists of rubber slab 22 and steel plate 23, and the top of pressure control panel is rubber slab, and bottom is steel plate, rubber slab be fixed by bolts to the plate 17 that connects material below.As shown in Figure 4, sieve 13 use bolts 24 in upper strata sieve 11He upper strata are hung on the installing rack that is arranged on sieve nest side.Two vibrating motors 15 are arranged on respectively two sidewalls of sieve nest bottom.Air intake device is provided with differential pressure gauge.Anterior vibration mounting 26 is rubber spring structure, and described rear portion vibration mounting 8 is equipped with rubber spring and supports and guiding mechanism.Guiding mechanism is for adjusting the inclination angle of the upper and lower compass screen surface of stone removing machine by use of principle.Sidewall mounting glass window 25 between the sidewall on compass screen surface top, upper strata and upper strata compass screen surface and lower floor's compass screen surface, for observing the situation of material in sieve nest.
Cereal stone removing machine by use of principle of the present invention utilizes the processed grain materials principle different with floating velocity from the proportion of sandstone to carry out classification and removes impurity, process is: Vibration on Start-up motor and vaccum-pumping equipment vibrate and air draught, grain materials is sent into drawing-in device 3 by processed grain (as wheat) through charging aperture 1, feed pipe 2 by conveying equipment, elasticity throttling action at drawing-in device grain materials through the plate 17 that connects material, connect material deflector 21 and equal 19 3 homocline processes of flitch and pressure control panel 18, makes grain laterally be uniformly distributed in homocline section.Low early and high after structure and the effect of vibration of vibrating motor make processed grain be moved to upper strata sieve 11 directions by homocline section 4.Grain in the sieve of upper strata carries out separated under the acting in conjunction of suction wind and vibrating motor, and the material that unit weight is little and light impurities are suspended in above material, become the oversize of upper strata compass screen surface, from light material outlet 12, discharges.The light impurities such as the material shell of upper strata compass screen surface and dust are sucked wind and siphon away.The material that part unit weight is little, sandstone and clod carry out separated to the handpicking board 5 of lower floor's compass screen surface through the passage from homocline section 4 tops, the material that most of unit weight is large and part sandstone, clod etc. enter lower floor's compass screen surface through sieve aperture and screen below material flow.At lower floor's compass screen surface, utilize equally the difference of material proportion and floating velocity to make the heavy impurities such as sandstone, clod along the braided steel wire face eminence that crawls toward, form Ji Shiqu, from Pai Shikou 6, discharge successively.The material that quality is good, unit weight is large is discharged from heavy material outlet 14, realizes the object of grain grading and de-stone.
Claims (5)
1. a cereal stone removing machine by use of principle, comprise sieve nest (7), air intake device (9), drawing-in device (3), two vibrating motors (15), discharging opening and vibration mounting, described sieve nest is connected with air intake device by aspiration channel (10), the entrance of described drawing-in device is connected with charging aperture (1) by feed pipe (2), and described discharging opening comprises light material outlet (12), heavy material outlet (14) and row's stone mouth (6), in described sieve nest, be provided with upper strata compass screen surface and lower floor's compass screen surface, upper strata compass screen surface consists of upper strata sieve (11) and homocline section (4), and lower floor's compass screen surface consists of lower floor's sieve (13) and handpicking board (5), upper strata compass screen surface is communicated with light material outlet (12), lower floor's compass screen surface is communicated with heavy material outlet (14), homocline section top is provided with the passage that connects handpicking board, handpicking board top is communicated with Pai Shikou (6), it is characterized in that: described drawing-in device is by the plate that connects material (17), pressure control panel (18), equal flitch 19) and the deflector that connects material (21) formation, the described plate that connects material is positioned at the below of drawing-in device (3) entrance, described equal flitch is positioned at the arrival end of homocline section, the deflector that connects material is connecting material between plate and equal flitch, pressure control panel is positioned at the port of export of the deflector that connects material, described pressure control panel (18) consists of rubber slab (22) and steel plate (23), and the top of pressure control panel is rubber slab, and bottom is steel plate, rubber slab be fixed on the plate that connects material (17) below, described two vibrating motors are arranged on two sidewalls of sieve nest bottom, and described upper strata sieve (11) and lower floor's sieve (13) are hung on the installing rack that is arranged on sieve nest side with bolt (24), the described deflector that connects material (21) is " L " shape structure, the bottom of described charging aperture (1) is provided with differential pressure gauge.
2. cereal stone removing machine by use of principle according to claim 1, it is characterized in that: described vibration mounting comprises anterior vibration mounting (26) and rear portion vibration mounting (8), described anterior vibration mounting is rubber spring structure, and described rear portion vibration mounting is equiped with rubber spring and supports and guiding mechanism.
3. cereal stone removing machine by use of principle according to claim 1, is characterized in that: described aspiration channel (10) and feed pipe (2) are elastic tube structure.
4. cereal stone removing machine by use of principle according to claim 3, is characterized in that: the material of described aspiration channel (10) and feed pipe (2) is rubber hose.
5. cereal stone removing machine by use of principle according to claim 1, is characterized in that: described upper strata sieve (11) is perforated plate construction, and the aperture of porous plate is determined according to the kind of processed grain; The material of described lower floor sieve (13) is braided steel wire web frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110447466.2A CN102430522B (en) | 2011-12-29 | 2011-12-29 | Gravity grading and stoning machine for grains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110447466.2A CN102430522B (en) | 2011-12-29 | 2011-12-29 | Gravity grading and stoning machine for grains |
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| Publication Number | Publication Date |
|---|---|
| CN102430522A CN102430522A (en) | 2012-05-02 |
| CN102430522B true CN102430522B (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110447466.2A Active CN102430522B (en) | 2011-12-29 | 2011-12-29 | Gravity grading and stoning machine for grains |
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| CN (1) | CN102430522B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105642549A (en) * | 2016-01-15 | 2016-06-08 | 巢湖瑞丰油脂有限公司 | Improved sesame gravity grading stoner |
| CN106269513A (en) * | 2016-08-16 | 2017-01-04 | 陈泳东 | Grain pneumatic separation vibrating screen |
| CN108636806B (en) * | 2018-05-30 | 2024-01-30 | 河北苹乐面粉机械集团有限公司 | Refining structure of refining box of powder cleaning machine |
| CN110394299B (en) * | 2019-06-25 | 2021-03-23 | 徐州德诚饲料有限责任公司 | Stone device is removed to raw materials for feed production |
| CN112871633A (en) * | 2020-12-24 | 2021-06-01 | 常德振邦米业有限公司 | Dry cereal grain quality grading plant based on big data |
| CN115283244A (en) * | 2022-08-02 | 2022-11-04 | 江苏强大机筛有限公司 | Grain combined cleaning sieve with suspended elastic support sieve box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1701624A (en) * | 1925-02-05 | 1929-02-12 | Martin J Lide | Dry separator |
| CN1035963A (en) * | 1987-11-27 | 1989-10-04 | 布勒兄弟有限公司 | Simple-and double-platen stone separator |
| CN2064272U (en) * | 1990-03-20 | 1990-10-24 | 河南省安阳市粮油机械厂 | Stone removing machine by use of principle of gravity separation |
| CN201799413U (en) * | 2010-09-03 | 2011-04-20 | 凤阳县凤宝粮油食品有限公司 | Gravity grading stone removing machine |
| CN202398536U (en) * | 2011-12-29 | 2012-08-29 | 河北苹乐面粉机械集团有限公司 | Gravity classifying stoning machine for grains |
-
2011
- 2011-12-29 CN CN201110447466.2A patent/CN102430522B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1701624A (en) * | 1925-02-05 | 1929-02-12 | Martin J Lide | Dry separator |
| CN1035963A (en) * | 1987-11-27 | 1989-10-04 | 布勒兄弟有限公司 | Simple-and double-platen stone separator |
| CN2064272U (en) * | 1990-03-20 | 1990-10-24 | 河南省安阳市粮油机械厂 | Stone removing machine by use of principle of gravity separation |
| CN201799413U (en) * | 2010-09-03 | 2011-04-20 | 凤阳县凤宝粮油食品有限公司 | Gravity grading stone removing machine |
| CN202398536U (en) * | 2011-12-29 | 2012-08-29 | 河北苹乐面粉机械集团有限公司 | Gravity classifying stoning machine for grains |
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| CN102430522A (en) | 2012-05-02 |
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