CN206604545U - One kind experiment hulling machine - Google Patents

Abstract

Tested the utility model discloses one kind in hulling machine, including housing, the housing and the hulling device for paddy to be shelled and the sorting unit for the brown rice and husk after shelling to be separated are installed；The sorting unit includes the air exhauster and some dividing plates in housing for exhausting；Some dividing plates are respectively in the left and right sides and interlocked up and down, and dividing plate it is upper outer lower in inwardly side be obliquely installed；So that brown rice husk mixture left and right crankle from top to bottom；It is provided with air port on the housing, air port is located between homonymy adjacent separator, allows between homonymy adjacent separator and form selection by winnowing passage；The air exhauster is connected with air port.The hulling device uses separating rubber covered roller, and after rubber roll abrasion, separating rubber covered roller directly quickly can be removed stage makeup and costume from power transmission shaft.The hulling device uses independent rubber roll clearance adjustment mechanism, gap is adjusted the latter axle keeping parallelism between rubber roll while rubber roll quick-replaceable is ensured.Experiment hulling machine with said structure, while being sorted step by step by multilayer, increase selection by winnowing action section product, improve useful effect force direction, substantially increase the efficiency of separation so that brown rice and husk separation are more thorough, accomplish in brown rice box without husk, husk box is with without brown rice, while using, regulation, that consumptive material is changed is convenient, reliable.

Description

One kind experiment hulling machine

Technical field

The utility model is related to a kind of experiment hulling machine, especially a kind of to be used to accurately test the inspection of unfinished rice production rate o paddy index Test hulling machine.

Background technology

It is that paddy is sloughed into glume and brown rice and husk is effectively separated to examine hulling machine, finally gives brown rice sample Unfinished rice production rate o paddy (fixed etc.) quality (quality) index test sample making apparatus.It needs at utmost sloughing the same of rice grain husks When reduce that the quick-fried waist of the grain of rice and epidermis are impaired, the integrality of brown rice is kept as far as possible.It is main to be divided by feed arrangement, glue housing apparatus, husk From the composition such as room, power set, collection device, frame.

Hulling machine main working parts are the horizontal rubber coated pressure bowls of a pair bonding or suit shelling glue-lines on cast iron cylinder Or plastics roller.Two roll axis are located in the same horizontal plane or slightly difference in height, are rotated in opposite directions with different rotating speeds, wherein a roller Position fix, another roller can be moved, and make the roll clearance between two rollers adjustable.Paddy is through dropping down plate (or through feeding roller and drop down plate) in glue Equably fed in roller total length between two rollers, roller is inversely turned round with different linear speeds, make to be squeezed by the paddy between roller The stranding effect of tearing with producing by two roller linear differentials, is finally reached the purpose of shelling.

, it is necessary to be sorted to the brown rice and husk after shelling after shelling.Existing hulling machine, which is put, typically all to be adopted It is with the mode of selection by winnowing, i.e., different with the proportion of husk using brown rice, husk is removed by induced-draught fan or air blower.So And existing hulling machine is not thorough to husk separation, it may appear that there are still in many husks or husk in the brown rice after sorting Containing brown rice sample, the accuracy of assay is have impact on, increases hand labor intensity.

Utility model content

In view of this, the utility model provides a kind of experiment hulling machine, and brown rice husk is carried out by the way of multilayer selection by winnowing Separation, and set up high speed winds constituency and low speed sorting area successively sort, substantially increase the efficiency of separation of husk.

To solve above technical problem, the technical solution of the utility model is：One kind experiment hulling machine, including housing, institute State and hulling device for paddy to be shelled is installed and for the brown rice and husk after shelling to be divided in housing From sorting unit；The sorting unit includes the air exhauster and some dividing plates in housing for exhausting；It is described Some dividing plates are respectively in the left and right sides and interlocked up and down, and dividing plate it is upper outer lower in inwardly side be obliquely installed；So that brown rice husk Mixture left and right crankle from top to bottom；It is provided with air port on the housing, air port is located between homonymy adjacent separator, allows homonymy Selection by winnowing passage is formed between adjacent separator；The air exhauster is connected with air port.Gap between the dividing plate of two pieces of the top is charging Mouthful；The lower end of two pieces of dividing plates of bottom is connected with housing bottom surrounds discharging opening.It is provided with below the discharging opening rough Rice disposable box；Described air exhauster one end is connected with air port, and the other end is connected with husk collecting box.The husk collecting box and brown rice Disposable box is arranged side by side.The air port is arranged in housing sidewall so that wind direction is more direct, it is to avoid increase wind during rocket motor Resistance, reduction wind speed.

As an improvement, the selection by winnowing Channel front end cross-sectional area is more than cross sectional rear end area, and it is low speed to make its front end Selection by winnowing area and rear end are high speed winds constituency.The purpose that selection by winnowing passage is set into front end low speed rear end high speed is that front end will not be because Brown rice is sucked for too high wind speed, rear end provides high-speed wind power and ensures that enough suction ensures that husk is sucked and final by lasting Into husk collecting box.

As an improvement, the dividing plate first carries out being bent up again after being turned under folding positioned at one piece of middle part its lower end Folding, before the cross-sectional area for making selection by winnowing passage of its formation with upper baffle and the selection by winnowing passage of itself and underlay screen formation is It is small after big.By the transformation to middle one piece of dividing plate, realize above and below two selection by winnowing passages be provided simultaneously with high speed winds constituency and low Fast selection by winnowing area, greatly reduces manufacture difficulty, reduces manufacturing cost.

As an improvement, the hulling device includes the fixation rubber roll and adjustable rubber roll be arrangeding in parallel.

As a preferred embodiment, the flow direction of the selection by winnowing passage interior air-flow and fixed rubber roll and adjustable rubber roll axis are flat OK.Air-flow vertically penetrates material bed from whereabouts mixture bottom so that selection by winnowing action section and useful effect force direction are significantly excellent In with paddy husking rubber roll axis hole line vertical mode.

As an improvement, described fixation rubber roll and adjustable rubber roll include rubber roll axis hole, rubber roll pedestal and glue shell Sleeve working lining, glue valve jacket cylinder working lining, which is arranged, to be fixed on outside rubber roll pedestal, and rubber roll pedestal is set on rubber roller hole；Rubber roll base Seat is internally provided with positioning step and locking step, locking step and offers dismounting screw；Opened up on the spindle nose of rubber roll axis hole There is setting locking screw nail on keyway, axle tail, the spindle nose of rubber roll axis hole is connected with power transmission shaft.Rubber roll axis hole is connected with power transmission shaft, Rubber roll pedestal secures it on rubber roll axis hole by the setting of positioning step and is arranged position, then by locking step and lock Rubber roll pedestal is fixed on rubber roll by the setting of dismounting screw and the upper keyway of rubber roller hole axle head on tight screw hole and locking step On axis hole, when rubber layer abrasion need change rubber roll when, only need to remove lock-screw, dismounting screw, so that it may by rubber roll pedestal from Remove and changed on rubber roll power transmission shaft, without rubber roll power transmission shaft is removed together, therefore the rubber roll knot that the utility model is provided Structure, compared with prior art, its substitute mode are simpler, and it accelerates the speed of rubber roll replacing, reduces the work of workman Intensity, improves production efficiency.

In order to strengthen the locking functions of lock-screw, it is provided between the locking screw nail and rubber roll transmission shafts tail Lock washer.On the one hand the glue valve jacket cylinder working lining can be wrapped in rubber roll pedestal outer surface by hot-working, on the other hand Can first roughing glue valve jacket cylinder working lining and rubber roll pedestal, then both are bonded together again, finally finishing shaping.Glue The material of valve jacket cylinder working lining is rubber or polyurethane, and its hardness is 70~75 degree.

As an improvement, in addition to rubber roll clearance adjustment mechanism, the rubber roll clearance adjustment mechanism includes support, regulation Sliding block and adjustment axis, the power transmission shaft of adjustable rubber roll are fixed in adjusting slider by bearing, and adjusting slider is arranged in support, It is provided with adjusting slider on adjustment hole, support and is provided with spacing hole, adjustment axis stretches into the regulation of adjusting slider out of spacing hole It is threadedly coupled in hole with adjusting slider, spacing bearing pin and postive stop baffle, limiting block sleeve-board is provided with the spacing hole of support outer surface If being fixed in adjustment axis, axle card is provided with support inner surface spacing hole, adjustment axis.Rubber roll is connected with rubber roll power transmission shaft, glue Roller power transmission shaft is fixed in adjusting slider, and adjustment axis is fixed on support, and spacing bearing pin, the setting of postive stop baffle and axle card are avoided The hole of adjustment axis is to movement, in use, by rotating adjustment axis, adjustment axis and the screw thread of adjusting slider adjustment apertures are moved, Promote adjusting slider to drive rubber roll translation, the gap adjustment between rubber roll is realized, due to being between adjusting slider and support Face is contacted, and contact area is big, it is ensured that axle when gap is adjusted between a pair of rubber rolls is parallel, therefore the utility model adjustment gap Reliable convenient, simultaneously because adjustment mechanism is mobile power transmission shaft to drive rubber roll to move, rubber roll changes meeting more quickly, conveniently, And also significantly reduce the overall volume of clearance adjustment mechanism.

In order to prevent that adjusting slider follows adjustment axis to occur unnecessary upset when rotating adjustment axis progress gap adjustment, The slide block limiting plate being fixed on support is provided with above the adjusting slider, its preferred fixed form is that slide block limiting plate is led to Fixing screws are crossed to be fixed on support.

As an improvement, the hopper for charging is provided with the housing, the hopper discharging opening is located at fixing glue The surface in gap between roller and adjustable rubber roll.

Improved as a kind of further, the hopper discharging opening is transverse opening, and hopper is fixed on vibrating motor. Pass through the vibration of vibrating motor so that the paddy in material mouth is progressively fallen into hulling device.

It is of the present utility model to be beneficial in that：Experiment hulling machine with said structure, its sorting unit is by will be rough The course of rice husk mixture, which carries out transformation, makes the tortuous snakelike speed advanced, reduce its whereabouts in its left and right, for sorting There is provided plenty of time.And by the multiple impacts with dividing plate, allow brown rice and husk self exfoliation.By multilayer step by step While sorting, increase selection by winnowing action section product improves useful effect force direction, substantially increases the efficiency of separation so that brown rice Separate more thorough, accomplish in brown rice box without husk, husk box is with without brown rice with husk.

Experiment hulling machine with said structure, it uses separating rubber covered roller, can be by separating rubber covered roller after rubber roll abrasion Directly quickly removed stage makeup and costume from power transmission shaft, it is simple, quick, efficient.

Experiment hulling machine with said structure, it uses independent rubber roll clearance adjustment mechanism, is ensureing that rubber roll is quick Gap is set to adjust the latter axle keeping parallelism between rubber roll while replacing, gap adjustment is reliable, while so that rubber roll is changed Can be more quick and easy.

Brief description of the drawings

Fig. 1 is front view of the present utility model.

Fig. 2 is stereogram of the present utility model.

Fig. 3 is internal structure schematic diagram of the present utility model.

Fig. 4 is the dimensional structure diagram of sorting unit.

Fig. 5 is longitudinal cross section structure diagram of pneumatic separation device.

Fig. 6 is the arrangement schematic diagram of dividing plate.

Fig. 7 is the cross section structure diagram of fixed rubber roll or adjustable rubber roll.

Fig. 8 is the perspective cross-sectional structural representation of fixed rubber roll or adjustable rubber roll.

Fig. 9 is the front view of rubber roll clearance adjustment mechanism.

Figure 10 is the side view of rubber roll clearance adjustment mechanism；

Figure 11 is the perspective cross-sectional structural representation of rubber roll clearance adjustment mechanism；

Figure 12 is the dimensional structure diagram of rubber roll clearance adjustment mechanism.

Marked in figure：It is the fixed rubber roll in 1 housing, 2 hulling devices, 2 ' adjustable rubber roll, 2 ", 3 sorting units, 4 hoppers, 5 rough Rice disposable box, 6 vibrating motors, 7 rubber roll clearance adjustment mechanisms, 8 motors, 11 husk collecting boxes, 20 power transmission shafts, 21 rubber roll axis holes, 22 rubber roll pedestals, 23 glue valve jacket cylinder working linings, 24 keyways, 25 locking screw nail, 26 lock washers, 27 positioning steps, 28 lockings Step, 29 dismounting screws, 30 discharging openings, 33 dividing plates, 34 air exhausters, 36 air ports, 37 high speed winds constituencies, 38 low velocity wind constituencies, 39 It is charging aperture, 73 adjustment axis, 74 supports, 76 bearings, 77 adjusting sliders, 78 adjustment holes, 79 spacing holes, 80 spacing bearing pins, 81 spacing Baffle plate, 82 axle cards, 83 slide block limiting plates, 84 fixing screws.

Embodiment

In order that those skilled in the art more fully understands the technical solution of the utility model, with reference to specific implementation The utility model is described in further detail for mode.

As shown in Fig. 1-Figure 12, the utility model includes being provided with housing 1, the housing 1 for paddy to be taken off The hulling device 2 of shell and the sorting unit 3 for the brown rice and husk after shelling to be separated.

The hulling device 2 includes the fixation rubber roll 2 be arrangeding in parallel " and adjustable rubber roll 2 '.And fixed rubber roll 2 " is Fast roller and adjustable rubber roll 2 ' is slow rollers.Motor 8 utilizes belt transmission, drives fixed rubber roll 2 " and the belt pulley of regulation rubber roll 2 ' Rotate.Diameter pulley on fixation rubber roll 2 " is less than the belt pulley on regulation rubber roll 2 ' so that its rotating speed has difference.

Fixed rubber roll 2 " includes rubber roll axis hole 21, rubber roll pedestal 22 and glue valve jacket cylinder working lining with adjustable rubber roll 2 ' 23, glue valve jacket cylinder working lining 23, which is arranged, to be fixed on outside rubber roll pedestal 22, and rubber roll pedestal 22 is set on rubber roll axis hole 21；Rubber roll base Seat 22 is internally provided with positioning step 27 and locking step 28, locking step 28 and offers dismounting screw 29；Rubber roll axis hole 21 Spindle nose on offer locking screw nail 25 be set on keyway 24, axle tail, the spindle nose of rubber roll axis hole 21 is connected with power transmission shaft 20.For Strengthen the locking functions of lock-screw, between the locking screw nail 25 and the axle tail of rubber roll axis hole 21 be provided with lock pad Circle 26.The glue valve jacket cylinder one side of working lining 23 can be wrapped in the outer surface of rubber roll pedestal 22 by hot-working, on the other hand Can first roughing glue valve jacket cylinder working lining 23 and rubber roll pedestal 22, then both are bonded together again, is finally finish-machined to Type.The material of glue valve jacket cylinder working lining 23 is rubber or polyurethane, and its hardness is 70~75 degree.

Also include being used for adjust fixed rubber roll 2 " the rubber roll clearance adjustment mechanism 7 in gap, institute between adjustable rubber roll 2 ' Stating rubber roll clearance adjustment mechanism 7 includes support 74, adjusting slider 77 and adjustment axis 73, and the power transmission shaft 20 of adjustable rubber roll 2 ' passes through Bearing 76 is fixed in adjusting slider 77, and adjusting slider 77 is arranged in support 74, and adjustment hole 78 is provided with adjusting slider 77, Spacing hole 79 is provided with support 74, adjustment axis 73 is stretched into the adjustment hole 78 of adjusting slider 77 out of spacing hole 79 with adjusting cunning Block 77 is threadedly coupled, and spacing bearing pin 80 and postive stop baffle 81,81 sets of postive stop baffle are provided with the outer surface spacing hole 79 of support 74 If being fixed in adjustment axis 73, axle card 82 is provided with the inner surface spacing hole 79 of support 74, adjustment axis 73.In order to prevent in rotation Adjusting slider 77 follows adjustment axis 73 to occur unnecessary upset when adjustment axis 73 carries out gap adjustment, in the adjusting slider 77 Top is provided with the slide block limiting plate 83 being fixed on support 74, and its preferred fixed form is that slide block limiting plate 83 passes through fixed spiral shell Nail 84 is fixed on support 74.

The hopper 4 for charging is provided with housing 1, the discharging opening of hopper 4 is located at fixed rubber roll 2 " and adjustable glue The surface in gap between roller 2 '.

The discharging opening of hopper 4 is transverse opening, and hopper 4 is fixed on vibrating motor 6.By the vibration of vibrating motor 6, make The paddy obtained in material mouth is progressively fallen into hulling device 2.The sorting unit 3 includes the air exhauster 34 and installation for exhausting Some dividing plates 33 in housing 1；Under some dividing plates 33 are respectively in the left and right sides and interlocked up and down, and dividing plate 33 is gone up outside In inwardly side be obliquely installed；So that brown rice husk mixture left and right crankle from top to bottom；Air port is provided with the housing 1 36, air port 36 is located between homonymy adjacent separator 33, allows and selection by winnowing passage is formed between homonymy adjacent separator 33；The air exhauster 34 It is connected with air port 36.Gap between the dividing plate 33 of two pieces of the top is charging aperture 39；The lower end of two pieces of dividing plates 33 of bottom It is connected with the bottom of housing 1 and surrounds discharging opening 30.The lower section of discharging opening 30 is provided with brown rice disposable box 5；The air exhauster 34 One end is connected with air port 6, and the other end is connected with husk collecting box 11.The husk collecting box 11 is set side by side with brown rice disposable box 5 Put.The air port 6 is arranged on the side wall of housing 1.So that wind direction is more direct, it is to avoid rocket motor, increase windage, reduction wind Speed.

Selection by winnowing Channel front end cross-sectional area is more than cross sectional rear end area, makes that its front end is low velocity wind constituency 38 and rear end is high Fast selection by winnowing area 37.The purpose that selection by winnowing passage is set into front end low speed rear end high speed is that front end will not be incited somebody to action because of too high wind speed Brown rice is sucked, and rear end provides high-speed wind power and ensures that enough suction ensures husk by lasting suction and eventually enters into husk collecting Box.Specific set-up mode is as follows：Dividing plate 33 first carries out being folded upward at again after being turned under folding positioned at one piece of middle part its lower end, Before the cross-sectional area for making selection by winnowing passage of its formation with upper baffle 33 and the selection by winnowing passage of itself and underlay screen formation is It is small after big.The flow direction of selection by winnowing passage interior air-flow and fixed rubber roll 2 " and the adjustable line of rubber roll 2 ' is parallel.Air-flow is mixed from falling Compound bottom vertically penetrates material bed so that selection by winnowing action section and active force are significantly better than to hang down with paddy husking rubber roll axis hole line Nogata formula.

As preferred forms, 5 pieces of dividing plates 33, left 2 pieces of 3 pieces of right sides are chosen.The right the first tile height highest, the left side first Tile height takes second place, and the tile height of the right second is more secondary and so on.And second piece of the right lower end first carries out being turned under after folding again It is folded upward at.Air port 36 is two, is arranged between first, second piece of the right and second, third block dividing plate 33.So Two selection by winnowing passages are formed, and two selection by winnowing passages are front wide and rear narrow, form low velocity wind constituency 37 respectively and high Fast selection by winnowing area 38.

When work, paddy enters the mixture entrance that brown rice and husk are formed after the shelling of hulling device 2 from hopper 4 Charging aperture 39, and in 33 crankles of dividing plate.When by selection by winnowing passage, because proportion is different, husk is sucked away.Mix simultaneously Multiple impacts bounce-back can also make its natural layering between compound and dividing plate 33 so that it is more easy that husk is drawn in sorting.Low speed Selection by winnowing area 38 avoids wind speed from soon sucking brown rice very much, and high speed winds constituency 37 ensures have enough suction to hold husk in selection by winnowing passage It is continuous to siphon away.Last brown rice enters brown rice disposable box 5, and husk enters husk collecting box 11, and sorting work is completed.

It the above is only preferred embodiment of the present utility model, it is noted that above-mentioned preferred embodiment should not be regarded For to limitation of the present utility model, protection domain of the present utility model should be defined by claim limited range.For For those skilled in the art, do not departing from spirit and scope of the present utility model, can also make some Improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims (9)

1. be provided with one kind experiment hulling machine, including housing, the housing for the hulling device that paddy is shelled with And the sorting unit for the brown rice and husk after shelling to be separated；It is characterized in that：The sorting unit includes being used for The air exhauster of exhausting and some dividing plates in housing；Some dividing plates are respectively in the left and right sides and interlocked up and down, And dividing plate it is upper outer lower in inwardly side be obliquely installed；So that brown rice husk mixture left and right crankle from top to bottom；The shell It is provided with air port on body, air port is located between homonymy adjacent separator, allows between homonymy adjacent separator and form selection by winnowing passage；The exhausting Machine is connected with air port.

2. a kind of experiment hulling machine according to claim 1, it is characterised in that：The selection by winnowing Channel front end cross-sectional area is big In cross sectional rear end area, make that its front end is low velocity wind constituency and rear end is high speed winds constituency.

3. a kind of experiment hulling machine according to claim 2, it is characterised in that：The dividing plate is located at one piece of middle part under it End first carries out being folded upward at again after being turned under folding, the selection by winnowing passage and itself and underlay screen for it is formed with upper baffle The cross-sectional area of the selection by winnowing passage of formation is pre-large post-small.

4. a kind of experiment hulling machine according to claim 1, it is characterised in that：The hulling device includes what is be arranged in parallel Fixed rubber roll and adjustable rubber roll.

5. a kind of experiment hulling machine according to claim 4, it is characterised in that：The flowing side of the selection by winnowing passage interior air-flow To with fixing rubber roll and adjustable rubber roll diameter parallel.

6. a kind of experiment hulling machine according to claim 4, it is characterised in that：Described fixation rubber roll and adjustable rubber roll Include rubber roll axis hole, rubber roll pedestal and shelling sleeve working lining, shelling sleeve working lining, which is arranged, to be fixed on outside rubber roll pedestal, glue Roller pedestal is set on rubber roller hole；Keyway is offered on the spindle nose of rubber roll axis hole, axle tail sets locking screw nail, rubber roll pedestal It is internally provided with positioning step and locking step, locking step and offers dismounting screw；The spindle nose and power transmission shaft of rubber roll axis hole Connection.

7. a kind of experiment hulling machine according to claim 4, it is characterised in that：Also include rubber roll clearance adjustment mechanism, institute Stating rubber roll clearance adjustment mechanism includes support, adjusting slider and adjustment axis, and the power transmission shaft of adjustable rubber roll is fixed on by bearing In adjusting slider, adjusting slider is arranged in support, is provided with adjusting slider on adjustment hole, support and is provided with spacing hole, is adjusted Nodal axisn is stretched into out of spacing hole to be threadedly coupled in the adjustment hole of adjusting slider with adjusting slider, is set at the spacing hole of support outer surface Limited location bearing pin and postive stop baffle, postive stop baffle, which is arranged, to be fixed in adjustment axis, is set at support inner surface spacing hole, adjustment axis There is axle card.

8. a kind of experiment hulling machine according to claim 4, it is characterised in that：It is provided with the housing for charging Hopper, the hopper discharging opening is located at the surface in gap between fixed rubber roll and adjustable rubber roll.

9. a kind of experiment hulling machine according to claim 8, it is characterised in that：The hopper discharging opening is transverse opening, And hopper is fixed on vibrating motor.