CN111545485B

CN111545485B - Screening device for color sorter

Info

Publication number: CN111545485B
Application number: CN202010278529.5A
Authority: CN
Inventors: 王涛
Original assignee: Hunan Hi Tech Agriculture Development Co ltd
Current assignee: Hunan Hi Tech Agriculture Development Co.,Ltd.
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-11-12
Anticipated expiration: 2040-04-10
Also published as: CN111545485A

Abstract

The invention relates to the technical field of color sorter equipment and discloses a screening device for a color sorter. This a sieving mechanism for look selection machine, feed chute and screening plate cooperation through the rhombus setting, make the particulate matter pour into from the feed port, screening when the screening groove one of seting up is coincident with the screening groove under, make the particulate matter of pouring into can carry out the screening of size, choose for use and want to screen the diameter limiting sleeve of particulate matter with the specification, exhaust particulate matter is the drop of one grain, screen, when screening the little particulate matter that gets off last time, promote the push pedal and make the voussoir slide in the push pedal, thereby control lug compression spacing hole, make the screening plate remove to the middle part of feed chute, make the screening groove crisscross with screening groove one, plug up screening groove one, choose for use the diameter limiting sleeve of little particulate matter with the specification, make the little particulate matter be a whereabouts.

Description

Screening device for color sorter

Technical Field

The invention relates to the technical field of color sorter equipment, in particular to a screening device for a color sorter.

Background

The color sorter is a device for automatically sorting out the heterochromatic particles in the particle materials by utilizing a photoelectric detection technology according to the difference of the optical characteristics of the materials, namely, when a CCD (charge coupled device) sensor (image sensor) detects the heterochromatic particles, an air jet valve or an air gun blows away the heterochromatic particles through air blowing.

Current look selection machine is at the course of the work, with the landing of particulate matter on the swash plate, detects the particulate matter of landing through the CCD sensor, and when the heterochrosis particulate matter, the jet-propelled valve work is jetted out the heterochrosis particulate matter, changes the landing direction of heterochrosis particulate matter to make the separation of heterochrosis particulate matter.

Such look selection machine is in the course of the work, and the particulate matter directly falls on the swash plate, and impurity and particulate matter contact between each other, and the jet-propelled movement track that blows the separation and can change the particulate matter equally to cause the particulate matter to get into the collection box of collecting impurity, the screening effect is poor, causes the waste, and its specification size of same kind of particulate matter is different, and current equipment can't distinguish it.

Disclosure of Invention

The invention provides a screening device for a color sorter, which has the advantages that the falling sorting of particles is one sorting, the sorting is more accurate, the specification and the size of the same particle can be distinguished, and the sorting effect is better, and solves the problems that the particles are easy to blow away together and the sizes of the particles cannot be screened in the process of blowing and screening impurities by blowing when the particles freely slide down.

The invention provides the following technical scheme: a screening device for a color sorter comprises a sorter body, wherein a fixed plate is fixedly mounted in the middle of the interior of the sorter body, a motor is fixedly mounted at the bottom of the fixed plate, screening teeth are fixedly sleeved on the upper surface of the fixed plate and the motor, two light sources are fixedly mounted on the upper surface of the interior of the sorter body and positioned between one sides of the screening teeth, a CCD detector is fixedly mounted on the upper surface of the interior of the sorter body and positioned in the middle of the two light sources, an air injection valve is fixedly mounted on the upper surface of the interior of the sorter body and positioned on one side of the light sources, an inclination angle of 30 degrees is mounted on the air injection valve, an impurity box is placed on the bottom of an inner cavity of the sorter body and positioned on one side of the screening teeth, a collecting box is placed on the bottom of the inner cavity of the sorter body and positioned on the front side of the screening teeth, a feeding chute is fixedly mounted above a backrest part of the screening teeth and penetrates through the sorter body, and is formed by splicing two blocks, the lower part of the feed chute is integrally formed with a discharge hole, the upper part of the feed chute is separately provided with a feed hole, the bottom surface of the feed chute is provided with a first screening groove, the inner cavity of the feed chute is provided with two screening plates in a sliding and symmetrical manner, the lower end of the feed chute is sleeved with a discharge sleeve on the outer surface of the discharge hole, two sides of the feed chute are provided with limiting holes, the middle part of each limiting hole is fixedly provided with a support plate, the upper surface and the lower surface of each support plate are symmetrically provided with springs, the surface of each screening plate is provided with a screening groove with the same size as the screening groove, one side of each screening plate close to the middle part of the feed chute is integrally formed with a lug, the lug and the support plate clamp the springs, the upper screening groove and the lower screening groove are clamped between the limiting holes and the lug, the two wedge blocks are slidably provided with push plates, and the lower end of the machine body is provided with a diameter limiting sleeve in a threaded manner, one side of the feeding groove provided with the first screening groove is fixedly provided with a supporting plate.

Preferably, the feeding groove is arranged in a diamond shape, and is narrow at the upper part and wide at the lower part.

Preferably, the upper surfaces of the screening plates are provided with guide grooves, the guide grooves are obliquely formed towards two sides, and the guide grooves are symmetrically formed in the upper surfaces of the two screening plates.

Preferably, the upper surface of the fixed plate and the part of the particulate matter moving under the driving of the screening teeth are provided with arc grooves.

Preferably, the size of the screening groove is the same as that of the first screening groove, the stroke from the lug to the support plate is greater than the width of the first screening groove, and the interval between the first screening groove and the first screening groove is greater than the width of the first screening groove.

Preferably, the hole diameter of the inner hole of the diameter limiting sleeve is matched with the size of the particles, the inner hole of the diameter limiting sleeve is replaced according to the size of the particles, and the inner hole of the diameter limiting sleeve is conical.

The invention has the following beneficial effects:

1. this a sieving mechanism for look selection machine, feed chute and screening plate cooperation through the rhombus setting, make the particulate matter pour into from the feed port, screening when the screening groove one of seting up is coincident with the screening groove under, make the particulate matter of pouring into can carry out the screening of size, choose for use and want to screen the diameter limiting sleeve of particulate matter with the specification, exhaust particulate matter is the drop of one grain, screen, when screening the little particulate matter that gets off last time, promote the push pedal and make the voussoir slide in the push pedal, thereby control lug compression spacing hole, make the screening plate remove to the middle part of feed chute, make the screening groove crisscross with screening groove one, plug up screening groove one, choose for use the diameter limiting sleeve of little particulate matter with the specification, make the little particulate matter be a whereabouts.

2. This a sieving mechanism for look selection machine, through the screening tooth with the cooperation installation of limit diameter cover, make the particulate matter that falls from the limit diameter cover enter into the intertooth space of screening tooth, under rotatory screening tooth drive effect, make the rotatory 90 degrees of particulate matter arrive under the CCD detector, detect the material of particulate matter through the CCD detector, under the condition that belongs to impurity, blow the screening through the air blast valve, impurity falls into the impurity incasement and collects, other particulate matter is under the effect of the centrifugal force of screening tooth, continue rotatory throw away to collect the incasement and collect.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic top view of a screening tooth according to the present invention;

FIG. 3 is a schematic perspective view of a feed chute according to the present invention;

FIG. 4 is a schematic cross-sectional view of a feed chute according to the present invention;

FIG. 5 is a schematic view of the structure of the discharging sleeve of the present invention.

In the figure: 1. a body; 2. a fixing plate; 3. a motor; 4. screening teeth; 5. a light source; 6. a CCD detector; 7. an air blast valve; 8. an impurity box; 9. a collection box; 10. a feed chute; 11. a discharge hole; 12. a first screening groove; 13. screening the plate; 14. a discharging sleeve; 15. a limiting hole; 16. a support plate; 17. a spring; 18. a screening tank; 19. a guide groove; 20. a bump; 21. a wedge block; 22. pushing the plate; 23. a feed port; 24. an arc groove; 25. a diameter limiting sleeve; 26. aggregate device.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a screening device for a color sorter comprises a body 1, a fixed plate 2 is fixedly installed in the middle of the interior of the body 1, a motor 3 is fixedly installed at the bottom of the fixed plate 2, screening teeth 4 are fixedly sleeved on the upper surface of the fixed plate 2 and the motor 3, two light sources 5 are fixedly installed on the upper surface of the interior of the body 1 and above the screening teeth 4, a CCD detector 6 is fixedly installed on the upper surface of the interior of the body 1 and between the two light sources 5, an air injection valve 7 is fixedly installed on the upper surface of the interior of the body 1 and on one side of the light sources 5, an inclination angle of 30 degrees is installed on the air injection valve 7, a impurity box 8 is placed on the bottom of the interior cavity of the body 1 and on one side of the screening teeth 4, a collection box 9 is placed on the bottom of the interior cavity of the body 1 and on the front side of the screening teeth 4, a feed chute 10 is fixedly installed above the back of the screening teeth 4 and passes through the body 1, the feed chute 10 is formed by splicing two blocks, a discharge hole 11 is integrally formed at the lower part of the feed chute 10, a feed hole 23 is separately formed at the upper part of the feed chute 10, a first screening groove 12 is formed at the bottom surface of the feed chute 10, two screening plates 13 are symmetrically installed in the inner cavity of the feed chute 10 in a sliding manner, a discharge sleeve 14 is arranged at the lower end of the feed chute 10 and sleeved on the outer surface of the discharge hole 11, limiting holes 15 are formed at two sides of the feed chute 10, a support plate 16 is fixedly installed in the middle of the limiting holes 15, springs 17 are symmetrically installed on the upper surface and the lower surface of the support plate 16, screening grooves 18 with the same size as the first screening grooves 12 are formed on the surface of the screening plates 13, a lug 20 is integrally formed at one side of the screening plates 13 close to the middle part of the feed chute 10, the spring 17 is clamped between the lug 20 in the limiting hole 15 and the lug 12, and a push plate 22 is slidably installed on the two wedges 21, the diameter limiting sleeve 25 is installed at the lower end of the machine body 1 in a threaded mode, and a supporting plate 16 is fixedly installed on the side, provided with the screening groove I12, of the feeding groove 10.

Wherein, feed chute 10 is the rhombus setting, and narrow centre is wide from top to bottom, through the feed chute 10 that the rhombus set up for the particulate matter of pouring can the diffusion at the upper portion of feed chute 10 and distribute, discharges most little particulate matter through screening groove 12, carries out the specification screening, and the feed chute 10 of lower part makes the quantity of particulate matter whereabouts simultaneously still less, reaches a whereabouts as far as, and follow-up screening is more accurate.

Wherein, the guide way 19 has been seted up to the upper surface of screening board 13, and guide way 19 is seted up to both sides slope, and guide way 19 is seted up at the upper surface symmetry of two screening boards 13, and through the guide effect of the guide way 19 of seting up, the diffusion distribution degree of increase particulate matter in feed chute 10 improves the discharge effect of little particulate matter through screening groove one 12.

Wherein, the arc groove 24 has been seted up at the position that the upper surface of fixed plate 2 just is located the particulate matter and moves under the drive of screening tooth 4, through the arc groove 24 of seting up for the particulate matter is under the rotary motion of screening tooth 4, and outside displacement is great, and it is better that air blast valve 7 blows impurity particulate matter effect, guarantees simultaneously that good particulate matter can accurately get into collection box 9 under centrifugal force and guiding action and collect.

Wherein, screening groove 18 is the same with screening groove 12 size, the lug 20 is greater than the width of screening groove 12 to the stroke of backup pad 16, the interval of screening groove 12 and screening groove 18 is greater than the width of screening groove 12, through the great stroke design of lug 20 and the interval cooperation of screening groove 12, make screening plate 13 remove back screening groove 18 crisscross with screening groove 12, screening plate 13 blocks up screening groove 12, when can screening for the first time, the tiny particle material that falls into in the device 26 that gathers materials screens, improve the screening effect of facility.

Wherein, the size cooperation of limit sleeve 25 hole aperture and particulate matter is changed according to the size of particulate matter, and the hole of limit sleeve 25 is the taper, through removable limit sleeve 25, can adapt to the screening of various size particulate matters, and the hole of taper can effectually let the particulate matter whereabouts, and is unlikely to block.

The working principle of the color selector is as follows:

the particles to be screened are poured into the feeding chute 10 from the feeding hole 23, at this time, the push plate 22 pulls the wedge block 21 to be far away from the feeding chute 10, under the reset action of the spring 17, the lugs 20 on the two sides are farthest away, so that the screening slot 18 on the screening plate 13 is overlapped with the first screening slot 12 on the bottom surface of the feeding chute 10, the poured particles firstly slide to the two sides under the guide action of the guide slot 19 on the surface of the screening plate 13, reach the screening plate 13 on the lower part, and then slide to the middle, so that the poured particles can be dispersed, when passing through the first screening slot 12 and the screening slot 18, the particles smaller than the specification of the diameter limiting sleeve 25 can be discharged and collected under the action of the aggregate device 26, other particles can vertically fall to the teeth of the screening teeth 4 under the action of the steering of the discharging sleeve 14 and the limited size of the diameter sleeve 25, the screening teeth 4 rotating under the drive of the motor 3 bring the particles to the position under the CCD detector 6, the CCD detector 6 irradiates the material through the light source 5 to detect the particles, when the particles are detected to be foreign materials, the air jet valve 7 starts air blowing to blow the foreign particles into the impurity box 8, when the particles are detected to be foreign materials, the screening teeth 4 continue to drive the particles to rotate, under the guide effect of centrifugal force and the arc groove 24, the particles are thrown out into the collection box 9 to be collected, the screened large-sized particles are taken away, then the small-sized particles collected in the collection device 26 are ready to be poured into the feed groove 10, the push plates 22 at two sides are pushed to move towards the feed groove 10, the symmetrically arranged wedges 21 move oppositely, so that the clamping lugs 20 compress the spring 17, the stroke of the lugs 20 at the upper part and the lower part is larger than the width of the screening groove 18, and the screening groove 12 is blocked, the diameter limiting sleeve 25 matched with the small particles in size is replaced at the lower end of the discharging sleeve 14, the small particles are poured into the feeding groove 10, and the step of screening the large particles is repeated to screen the small particles.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sieving mechanism for look selection machine, includes organism (1) and two voussoirs (21), its characterized in that: the middle of the inner part of the machine body (1) is fixedly provided with a fixed plate (2), the bottom of the fixed plate (2) is fixedly provided with a motor (3), the upper surface of the fixed plate (2) is fixedly sleeved with screening teeth (4) together with the motor (3), the upper surface of the inner part of the machine body (1) is fixedly provided with two light sources (5) above one side of the screening teeth (4), the upper surface of the inner part of the machine body (1) is fixedly provided with a CCD detector (6) in the middle of the two light sources (5), one side of the upper surface of the inner part of the machine body (1) which is positioned at the light source (5) is fixedly provided with an air injection valve (7), the air injection valve (7) is provided with a 30-degree inclination angle, the bottom of the inner cavity of the machine body (1) is provided with an impurity box (8) at one side of the screening teeth (4), the bottom of the inner cavity of the machine body (1) is provided with a collecting box (9) in the front side of the screening teeth (4), the screening gear is characterized in that a feeding groove (10) is fixedly arranged above the backrest part of the screening gear (4) and penetrates through the machine body (1), the feeding groove (10) is formed by splicing two blocks, a discharge hole (11) is formed in the lower part of the feeding groove (10) in an integrated mode, a feeding hole (23) is separately formed in the upper part of the feeding groove (10), a first screening groove (12) is formed in the bottom surface of the feeding groove (10), two screening plates (13) are slidably and symmetrically arranged in the inner cavity of the feeding groove (10), a discharge sleeve (14) is arranged at the lower end of the feeding groove (10) and sleeved on the outer surface of the discharge hole (11), limiting holes (15) are formed in two sides of the feeding groove (10), a supporting plate (16) is fixedly arranged in the middle of each limiting hole (15), springs (17) are symmetrically arranged on the upper surface and the lower surface of the supporting plate (16), screening grooves (18) with the same size as the first screening grooves (12) are formed in the surface of the screening plate (13), a convex block (20) is integrally formed on one side, close to the middle of the feeding groove (10), of the screening plate (13), the convex block (20) and the supporting plate (16) clamp a spring (17), an upper screening groove I (12) and a lower screening groove I (12) are clamped between the inside of the limiting hole (15) and the convex block (20), a push plate (22) is installed on the two wedge blocks (21) in a sliding mode, a diameter limiting sleeve (25) is installed on the lower end of the machine body (1) in a threaded mode, and the supporting plate (16) is fixedly installed on one side, provided with the screening groove I (12), of the feeding groove (10);

the feeding groove (10) is arranged in a diamond shape, and is narrow at the upper part and the lower part and wide in the middle;

the upper surfaces of the screening plates (13) are provided with guide grooves (19), the guide grooves (19) are obliquely formed towards two sides, and the guide grooves (19) are symmetrically formed in the upper surfaces of the two screening plates (13);

an arc groove (24) is formed in the upper surface of the fixing plate (2) and at the position where the particles move under the driving of the screening teeth (4);

the size of the screening groove (18) is the same as that of the screening groove I (12), the stroke from the lug (20) to the support plate (16) is larger than the width of the screening groove I (12), and the interval between the screening groove I (12) and the screening groove (18) is larger than the width of the screening groove I (12);

the aperture of the inner hole of the diameter limiting sleeve (25) is matched with the size of the particles, and the diameter limiting sleeve is replaced according to the size of the particles, and the inner hole of the diameter limiting sleeve (25) is conical;

the particulate matter that falls from the stop collar enters into the intertooth space of screening tooth, under rotatory screening tooth drive effect for the particulate matter is rotatory 90 degrees and is reachd CCD detector under, and screening tooth (4) drive the particulate matter rotatory, and under centrifugal force and with arc groove (24) direction effect, the particulate matter throws away the collection box (9) and collects.