CN102430522A - Gravity grading and stoning machine for grains - Google Patents

Gravity grading and stoning machine for grains Download PDF

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Publication number
CN102430522A
CN102430522A CN2011104474662A CN201110447466A CN102430522A CN 102430522 A CN102430522 A CN 102430522A CN 2011104474662 A CN2011104474662 A CN 2011104474662A CN 201110447466 A CN201110447466 A CN 201110447466A CN 102430522 A CN102430522 A CN 102430522A
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China
Prior art keywords
screen
plate
connects
layer screen
sheet
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Granted
Application number
CN2011104474662A
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Chinese (zh)
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CN102430522B (en
Inventor
李建军
董立海
周峰
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Hebei Pingle Flour Machinery Group Co Ltd
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Hebei Pingle Flour Machinery Group Co Ltd
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Application filed by Hebei Pingle Flour Machinery Group Co Ltd filed Critical Hebei Pingle Flour Machinery Group Co Ltd
Priority to CN201110447466.2A priority Critical patent/CN102430522B/en
Publication of CN102430522A publication Critical patent/CN102430522A/en
Application granted granted Critical
Publication of CN102430522B publication Critical patent/CN102430522B/en
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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

A kind of cereal gravity classification stone remover
Technical field
The invention belongs to the grain processing equipment technical field, relate to a kind of grain classification remove impurity equipment, be specifically related to a kind of cereal gravity classification stone remover.
Background technology
In the grain processing industry, the quality grading of grain and dedusting cleaning equipment are most important to the quality of cereal product.The gravity classification stone remover is the grain classification generally adopted of grain processing industry and the equipment of purifying and dedusting.The gravity classification stone remover is floating velocity difference and the difference of utilizing between grain and heavily assorted (like stone, metal, the glass etc.) of the floating velocity between heavy, the light grain grain; Remove the classification of Shi Hechong, light grain continuously; Both isolated weight impurity, will weigh effectively again, light grain carries out classification.The gravity classification stone remover of prior art go the stone effect fair, but the operation of telling the wheat inferior of 1%-2% is difficult for carrying out.Subject matter is: 1. the lightweight wheat ratio of telling is higher, and it is too much 2. to contain wheat in the stone, and 3. operation is unstable, often changes.Analyzing reason mainly is: 1. charging skewness, 2. inlet amount is unstable, 3. is equipped with the air quantity instability.
Granted publication number is that the utility model patent of CN201799413U discloses that " a kind of gravity classification stone remover; relate to grain processing material cleaning equipment; comprise frame; the angle regulator on the frame, sieve nest, charging/discharging device, air intake device, rubber spring and vibrating motor is characterized in that between front end and the frame front end sieve nest location-plate of upper strata sieve nest of feed inlet end the punishment in advance slotted eye being set, and the horizontal clearance of punishment in advance slotted eye is 10-18mm.Beneficial effect is through between the front end of upper strata compass screen surface and the frame front end sieve nest location-plate punishment in advance slotted eye being set; Can make big stone and heavy material on the former upper strata sieve nest that is trapped in charging aperture fall to lower floor's compass screen surface smoothly through the punishment in advance slotted eye clears up; Improved and gone the stone effect; Help improving the production efficiency and the economic benefit of applying unit, adaptable across powder process enterprise.”。But this utility model patent does not solve the ropy problem of the inhomogeneous classification that causes of above-mentioned charging.
Summary of the invention
For overcoming the deficiency of above-mentioned prior art, the present invention provides a kind of cereal gravity classification stone remover, and drawing-in device is improved, and realizes the even distribution of processed grain material, improves classification and goes the stone effect, improves the quality of processed cereal product.
A kind of cereal gravity classification stone remover 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 through aspiration channel, and the inlet of drawing-in device is connected with charging aperture through feed pipe.Discharging opening comprises light material outlet, the outlet of heavy material and row's stone mouth.Be provided with upper strata compass screen surface and lower floor's compass screen surface in the sieve nest, the upper strata compass screen surface is made up of upper sieve sheet and homocline section, and lower floor's compass screen surface is made up of lower screen sheet and handpicking board.The upper sieve sheet is communicated with the light material outlet, and the lower screen sheet is communicated with the outlet of heavy material, and homocline section top is provided with the passage that is connected with handpicking board, and the handpicking board top is communicated with row's stone mouth.Drawing-in device is made up 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 inlet; All flitch is positioned at the arrival end of homocline section, and the deflector that connects material is connecting material between plate and the equal flitch, and the pressure control panel is positioned at the port of export of the deflector that connects material.Two vibrating motors are installed in two sidewalls of sieve nest bottom, and upper sieve sheet and lower screen sheet are hung on the installing rack that is installed in the 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 the rubber spring structure, and the 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.The pressure control panel is made up of rubber slab and steel plate, and the top of pressure control panel is rubber slab, and the bottom is a steel plate, rubber slab be fixed on the plate that connects material below.Aspiration channel and feed pipe are the elastic tube structure, and the material of preferred aspiration channel and feed pipe is for being rubber hose.The upper sieve sheet is a perforated plate construction, and the aperture of porous plate is confirmed according to the kind of processed grain.The material of lower screen sheet is the braided steel wire web frame.
Processed grain material is sent into cereal gravity classification stone remover through apparatus for feeding; The plate that connects material that gets into drawing-in device through charging aperture carries out first homocline; Material through after the first homocline flows on the deflector that connects material; Material carries out homocline again on the deflector that connects material, the distribution through the pressure control panel is scattered in the homocline for the third time of the enterprising row of equal flitch through the material of twice homocline.Adopt the pressure control panel, make material in the process that flows downward, receive certain elastic resistance, laterally separately, 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 the drawing-in device fill process; Make the even distribution of material in the homocline section; For material goes the stone process to create good condition in the classification of upper and lower layer compass screen surface, the stone effect is gone in the classification that helps improving grain, improves the quality of processed grain.Owing to be evenly distributed, reduced the problem of band grain in the stone, do not flow out good quality wheat from row's stone mouth, improve processed grain yield rate, both guaranteed to go stone efficient high, improved output again.Vibrating motor is installed in two sidewalls of sieve nest, and external vibrating motor drives sieve nest and clocklike vibrates, and reasonably direction of vibration and angle have changed material operation system, has reduced the moving consumption of specific yield; Vibrating motor is external simultaneously, has enlarged the space of light material outlet and the outlet of heavy material, helps improving the working ability of cereal gravity classification stone remover.Upward, the upper sieve sheet is hung on the installing rack that is installed in the sieve nest side through bolt respectively; Be strained and fixed, the last plane of vibrating body side plate guide groove is close on the last plane of guaranteeing to sieve sheet, and compass screen surface is difficult for play; Help improving the serviceability of upper and lower layer sieve sheet, increase the service life.
Description of drawings
Fig. 1 is the structural representation of cereal gravity classification stone remover of the present invention;
Fig. 2 is the structural representation of drawing-in device;
The sketch map of Fig. 3 pressure control panel;
Fig. 4 sieves the scheme of installation of sheet.
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 sieve sheet, the outlet of 12-light material, 13-lower screen sheet, 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 inlet, 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 described.
Cereal gravity classification stone remover of the present invention is 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 26 and rear portion vibration mountings 8.Sieve nest is connected with air intake device through aspiration channel 10, and air intake device is connected with pumped vacuum systems, and aspiration channel and feed pipe are all processed with rubber hose.The inlet 20 of drawing-in device is connected with charging aperture 1 through feed pipe 2, and charging aperture is connected to the grain material transfer equipment through pipeline.Discharging opening comprises light material outlet 12, heavy material outlet 14 and row's stone mouth 6.Be provided with upper strata compass screen surface and lower floor's compass screen surface in the sieve nest 7.The upper strata compass screen surface is made up of upper sieve sheet 11 and homocline section 4, and anterior the upper sieve sheet is a perforated plate construction for upper sieve sheet rear portion is the homocline section, and the aperture of porous plate is confirmed according to the kind of processed grain.Lower floor's compass screen surface is made up of lower screen sheet 13 and handpicking board 5, and the lower screen sheet is positioned at the front portion, and handpicking board is positioned at the rear portion, and the material of lower screen sheet is the braided steel wire net, and the mesh size of braided steel wire net is confirmed according to the kind of processed grain.The upper sieve sheet is a large aperture sieve sheet, and the lower screen sheet is a small-bore sieve sheet, and the size of concrete sieve aperture is selected according to the particle diameter of processed grain.Upper sieve sheet 11 is communicated with light material outlet 12, and lower screen sheet 13 is communicated with the outlet of heavy material, and homocline section top is provided with the passage that is connected with handpicking board, and the 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 inlet 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 the equal flitch, and the deflector 21 that connects material is " L " shape structure, and the 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 is made up of rubber slab 22 and steel plate 23, and the top of pressure control panel is rubber slab, and the bottom is a steel plate, rubber slab be fixed by bolts to the plate 17 that connects material below.As shown in Figure 4, upper sieve sheet 11 is hung on the installing rack that is installed in the sieve nest side with upper sieve sheet 13 usefulness bolts 24.Two vibrating motors 15 are installed in two sidewalls of sieve nest bottom respectively.Air intake device is provided with differential pressure gauge.Anterior vibration mounting 26 is the rubber spring structure, and said rear portion vibration mounting 8 is equipped with rubber spring and supports and guiding mechanism.Guiding mechanism is used to adjust the inclination angle of the upper and lower compass screen surface of gravity classification stone remover.Sidewall between the sidewall on compass screen surface top, upper strata and upper strata compass screen surface and the lower floor's compass screen surface is installed windowpane 25, is used to observe the situation of material in the sieve nest.
Cereal gravity classification stone remover of the present invention utilizes the processed grain material principle different with floating velocity with 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; The grain material is sent into drawing-in device 3 with processed grain (like wheat) through charging aperture 1, feed pipe 2 through conveying equipment; In the elasticity throttling action of drawing-in device grain material, grain is laterally evenly distributed in the homocline section through the plate 17 that connects material, connect material deflector 21 and equal 19 3 homocline processes of flitch and pressure control panel 18.The vibration effect of low early and high after structure and vibrating motor make processed grain by homocline section 4 to upper sieve sheet 11 direction operations.Grain on the upper sieve sheet separates under the acting in conjunction of suction wind and vibrating motor, and material that unit weight is little and light impurities are suspended in above the material, become the oversize of upper strata compass screen surface, discharges from light material outlet 12.Light impurities such as the material shell of upper strata compass screen surface and dust are aspirated wind and are siphoned away.The material that part unit weight is little, sandstone and clod separate through the handpicking board 5 from the passage on homocline section 4 tops to lower floor's compass screen surface, and the material that most of unit weight is big and part sandstone, clod etc. pass sieve aperture entering lower floor compass screen surface and screen below streams.At lower floor's compass screen surface, the different heavy impurities such as sandstone, clod that make that utilize material proportion and floating velocity equally form Ji Shi district, successively from 6 discharges of row's stone mouth along the braided steel wire face eminence that crawls toward.The material that quality is good, unit weight is big is discharged from heavy material outlet 14, realizes grain classification and the purpose of removing stone.

Claims (8)

1. cereal gravity classification stone remover; Comprise sieve nest (7), air intake device (9), drawing-in device (3), two vibrating motors (15), discharging opening and vibration mounting; Said sieve nest is connected with air intake device through aspiration channel (10); The inlet of said drawing-in device is connected with charging aperture (1) through feed pipe (2), and said discharging opening comprises light material outlet (12), heavy material outlet (14) and row's stone mouth (6); Be provided with upper strata compass screen surface and lower floor's compass screen surface in the said sieve nest, the upper strata compass screen surface is made up of upper sieve sheet (11) and homocline section (4), and lower floor's compass screen surface is made up of lower screen sheet (13) and handpicking board (5); The 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, and the handpicking board top is communicated with Pai Shikou (10), it is characterized in that: said 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 said plate that connects material is positioned at the below of drawing-in device (3) inlet; Said equal flitch is positioned at the arrival end of homocline section, and the deflector that connects material is connecting material between plate and the equal flitch, and the pressure control panel is positioned at the port of export of the deflector that connects material; Said two vibrating motors are installed in two sidewalls of sieve nest bottom, and said upper sieve sheet (11) and lower screen sheet (13) are hung on the installing rack that is installed in the sieve nest side with bolt (24).
2. cereal gravity classification stone remover according to claim 1 is characterized in that: the said deflector that connects material (21) is " L " shape structure.
3. cereal gravity classification stone remover according to claim 1; It is characterized in that: said vibration mounting comprises anterior vibration mounting (26) and rear portion vibration mounting (8); Said anterior vibration mounting is the rubber spring structure, and said rear portion vibration mounting is equiped with rubber spring and supports and guiding mechanism.
4. cereal gravity classification stone remover according to claim 1 is characterized in that: the bottom of said charging aperture (1) is provided with differential pressure gauge.
5. cereal gravity classification stone remover according to claim 1; It is characterized in that: said pressure control panel (18) is made up of rubber slab (22) and steel plate (23); The top of pressure control panel is rubber slab, and the bottom is a steel plate, rubber slab be fixed on the plate that connects material (17) below.
6. cereal gravity classification stone remover according to claim 1 is characterized in that: said aspiration channel (10) and feed pipe (2) are the elastic tube structure.
7. cereal gravity classification stone remover according to claim 6 is characterized in that: the material of aspiration channel (10) and feed pipe (2) is a rubber hose.
8. cereal gravity classification stone remover according to claim 1 is characterized in that: said upper sieve sheet (11) is a perforated plate construction, and the aperture of porous plate is confirmed according to the kind of processed grain; The material of said lower screen sheet (13) is the braided steel wire web frame.
CN201110447466.2A 2011-12-29 2011-12-29 Gravity grading and stoning machine for grains Active CN102430522B (en)

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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CN102430522A true CN102430522A (en) 2012-05-02
CN102430522B CN102430522B (en) 2014-01-15

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Cited By (4)

* Cited by examiner, † Cited by third party
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
CN110394299A (en) * 2019-06-25 2019-11-01 徐州德诚饲料有限责任公司 A kind of Feed Manufacturing removes stone device with raw material
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

Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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
CN110394299A (en) * 2019-06-25 2019-11-01 徐州德诚饲料有限责任公司 A kind of Feed Manufacturing removes stone device with raw material
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

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