CN210730114U

CN210730114U - Chinese prickly ash screening plant

Info

Publication number: CN210730114U
Application number: CN201921237773.6U
Authority: CN
Inventors: 符宝良
Original assignee: Sanhe Jingdong Lingshan Condiment Factory
Current assignee: Sanhe Jingdong Lingshan Condiment Factory
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-06-12
Anticipated expiration: 2029-08-01

Abstract

The utility model provides a prickly ash screening plant, the power distribution box comprises a box body, install the screening bucket at the box top, and constitute the dust collector who collects the dust in the box, and be corresponding to the discharge gate of screening bucket, install first vibratory screen in the box, first vibratory screen is by the one end downwardly extending setting that is located the below of discharge gate, be corresponding to first vibratory screen, be equipped with the second vibratory screen who links firmly rather than in the below of first vibratory screen, be equipped with the tray bottom second vibratory screen, and be connected with vibrating device on second vibratory screen, be equipped with a plurality of stands in the bottom of second vibratory screen, and linked firmly the spring between the top of stand and the bottom of second vibratory screen. Prickly ash screening plant, through the prickly ash after the screening bucket screening carry on in the box on first vibratory screen and the second shale shaker, the prickly ash after the screening flows via respective discharge end to accomplish the screening to the prickly ash, its screening efficiency is high.

Description

Chinese prickly ash screening plant

Technical Field

The utility model relates to a prickly ash screening plant technical field, in particular to prickly ash screening plant.

Background

In the prior art, the Chinese prickly ash needs to be screened according to the size of the Chinese prickly ash after being picked so as to be sold at the later stage. Wherein, because inevitable can have impurity such as leaf or prickly ash stalk in picking, still need sieve the impurity in the prickly ash when carrying out size screening to the prickly ash. Most of the seasonings now only rely on the vibrating screen when screening the peppers, but the screening effect is poor due to unreasonable structure. In addition, the pepper generates dust in the screening process, and causes discomfort to human bodies if directly discharged to the outside of the box body.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a prickly ash screening plant to improve the screening efficiency to prickly ash, and have better practicality.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides an including the box, in the box top install the constitution treat the screening bucket of screening prickly ash prescreening, and constitute right the dust collector that the dust was collected in the box, and correspond to the discharge gate of screening bucket, in install first vibration screen in the box, vibration screen is by being located the one end downwardly extending setting of the below of discharge gate, corresponding to first vibration screen, in the below of first vibration screen is equipped with the second vibration screen who links firmly rather than, the incline direction of second vibration screen with the incline direction of first vibration screen is opposite, and corresponding to the second vibration screen is equipped with the tray in its bottom, and in be connected with vibrating device on the second vibration screen, in order to order about first vibration screen with the synchronous oscillation of second vibration screen, in the bottom of second vibration screen is equipped with a plurality of stands, and a spring is fixedly connected between the top of the stand column and the bottom of the second vibrating screen, and the discharge ends of the first vibrating screen and the second vibrating screen extend out of the box body.

Furthermore, a plurality of connecting plates which can form connection between the first vibrating screen and the second vibrating screen are respectively arranged on two sides of the first vibrating screen and the second vibrating screen.

Furthermore, the screening barrel comprises an outer barrel which is fixed on the top of the box body and is arranged in a through manner, an inner barrel which is sleeved in the outer barrel and is provided with a barrel bottom, and a mounting barrel which is sleeved on the top of the inner barrel, wherein a pepper feeding hole is formed between the mounting barrel and the inner barrel, a discharging hole is formed at the bottom of the outer barrel, a rotating shaft is detachably connected between the mounting barrel and the barrel bottom, a motor is mounted at the top of the mounting barrel, and the power output end of the motor is connected to the top end of the rotating shaft so as to drive the inner barrel to rotate relative to the outer barrel; a plurality of first filtering holes which are arranged along the axial line of the inner barrel in an extending way are formed in the circumferential direction of the inner barrel, the first filtering holes are arranged along the axial direction of the inner barrel at intervals, a plurality of second filtering holes which are arranged at intervals are arranged at the bottom of the inner barrel, the area of the first filtering holes is larger than that of the second filtering holes, and a sponge layer is fixedly arranged on the inner peripheral wall of the outer barrel.

Furthermore, a plastic film is bonded on the outer surface of the sponge layer.

Furthermore, three connecting plates are fixedly connected to the outer peripheral surface of the mounting barrel at intervals, bolts are mounted on the inner barrel corresponding to free ends of the connecting plates, and the bolts are in threaded connection with the free ends of the connecting plates to form relative fixation between the mounting barrel and the inner barrel.

Furthermore, the dust removal device comprises a lower shell arranged at the top of the box body and an upper shell detachably arranged on the lower shell, a conical blanking cavity is formed in the lower shell, a conical air outlet cavity is constructed on the upper shell, the tip of the blanking cavity is arranged downwards, and the tip of the air outlet cavity is arranged upwards; the top of the blanking cavity is communicated with at least one air inlet pipe, the top of the air outlet cavity is communicated with an air outlet pipe, the top of the blanking cavity is provided with a filter element, and the air outlet end of the air outlet pipe is connected with a driving part which drives air flow to flow into the blanking cavity and the air outlet cavity.

Furthermore, a pivot shaft is arranged on one side of the bottom of the upper shell, a mounting block is constructed on the lower shell corresponding to the pivot shaft, and a chute for inserting the pivot shaft and allowing the pivot shaft to slide along the upper shell is constructed on the mounting block.

Further, relative to the pivot shaft, an overhanging clamping block is arranged on the other side of the upper shell, an overhanging stop block is constructed on the other side of the lower shell corresponding to the clamping block, and a clamping groove for the clamping block to slide in and be embedded is arranged at the end part of the stop block; when the pivot shaft moves to one end of the sliding groove close to the stop block, the clamping block (which can slide and is clamped in the clamping groove) is arranged.

Furthermore, a filter screen is arranged at the air inlet end of the air inlet pipe.

Furthermore, the air inlet pipes are arranged on two sides of the lower shell respectively, and air inlet ends of the two air inlet pipes are arranged corresponding to the top of the first vibrating screen and the top of the second vibrating screen respectively.

Compared with the prior art, the utility model discloses following advantage has:

(1) prickly ash screening plant, prickly ash after screening through the screening bucket carries out the first vibratory screen in the box, first vibratory screen and the vibration of second vibratory screen under vibrating device's drive, prickly ash that partial particle diameter is little falls into on the second vibratory screen, prickly ash after the screening flows via respective discharge end to accomplish the screening to prickly ash, its screening efficiency is high. In addition, through setting up dust collector can collect the dust that the prickly ash screening produced, improve the result of use.

(2) The fixed plate is simple, is easy to be fixedly installed on the first vibrating screen and the second vibrating screen, and has low production cost and good use effect.

(3) The prickly ash that will wait to sieve is placed in interior bucket in the screening bucket, then starter motor drives installation bucket and interior bucket and rotates for outer bucket for the prickly ash in the interior bucket is centrifugal motion in interior bucket, and most prickly ash can enter into outer bucket via first filtration hole, and other prickly ashes can enter into outer bucket via the second filtration hole in, and prickly ash in the outer bucket can be discharged on the shale shaker by the discharge gate on the outer bucket. Therefore, the pepper can be pre-screened, so that the screening efficiency of the vibrating screen in use is improved. Meanwhile, the arrangement of the sponge layer can also buffer and protect the screened Chinese prickly ash. In addition, adopt detachable connected mode between installation bucket and the interior bucket, be convenient for with both splits after using, and be convenient for clear up the impurity such as leaf or prickly ash stalk of will keeping apart in interior bucket.

(4) The plastic film can prevent the pepper from being adhered to the sponge, and is beneficial to the pepper to fall to the discharge hole and then be discharged out of the outer barrel, the structure is mature, and the using effect is good.

(5) The connecting plate can improve the connecting effect between the installation barrel and the inner barrel, and can improve the working stability of the inner barrel in a rotating state. And the connecting plate adopts the mounting means that the bolted connection mode is installed on the outer barrel to be simple, and the disassembly is convenient.

(6) Dust collector can be under the drive of drive division, a dust accessible intake pipe enters into the blanking chamber for screening the dust in the box of prickly ash, this moment, because the setting in taper blanking chamber for most dust can get into the dust collection box via the blanking chamber, and partial dust is then flowed through the filter core, and stay the filter core or drop at the blanking intracavity under the filtration of filter core, make the dust in the combustion gas reduce, thereby reduce the human discomfort that leads to because of the direct discharge of dust. In addition, the dust collecting mode can reduce the dust filtered by the filter element, thereby prolonging the service life of the filter element. The air outlet cavity is also arranged to be conical, so that the efficiency of discharging air in the air outlet pipe can be obviously improved. This dust collector for prickly ash screening has collection dirt effectual, convenient to use's effect.

(7) Go up the casing and down the setting through pivot and spout between the casing, can realize relative rotation between the two to be convenient for take the filter core, make installation, change, washing and the maintenance of filter core. In addition, the clamping block is clamped in the clamping groove in the stop block, so that the upper shell and the lower shell can be fixedly connected, and the upper shell and the lower shell are matched with each other in a sliding manner. After the upper shell is buckled on the lower shell, the upper shell slides to enable the upper rotating shaft to slide in the sliding groove towards the direction of the stop block, at the moment, the clamping block can slide into the clamping groove in the stop block, and the installation is completed between the upper shell and the lower shell on the surface after the upper shell is moved in place. It is simple to operate and convenient to use.

(8) The connection effect between the fixture block and the stop block can be improved due to the arrangement of the protrusions and the grooves, the fixture block is prevented from being separated from the clamping groove, the fixture block is convenient to form, and the connection effect is good.

(9) The filter screen can prevent impurities such as leaves from entering the air inlet pipe to influence the use of the dust removal device.

(10) The dust of first vibration screen cloth and second vibration screen cloth department is convenient for collect in the setting of the inlet end of two intake pipes, and its dust collection effect is good, and the dust collection efficiency is high.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural diagram of a pepper screening device according to an embodiment of the present invention;

fig. 2 is a schematic view of the internal structure of the pepper screening device according to the embodiment of the present invention;

fig. 3 is a schematic structural view of a screening barrel for screening chinese prickly ash according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an inner barrel according to an embodiment of the present invention;

fig. 5 is a top view of the screening barrel for pepper screening according to the embodiment of the present invention;

FIG. 6 is a sectional view taken along line A-A of FIG. 5;

fig. 7 is a schematic structural view of the dust removing device for pepper screening according to the embodiment of the present invention at a viewing angle thereof;

fig. 8 is a schematic structural view of the dust removing device for pepper screening according to the embodiment of the present invention at another viewing angle;

fig. 9 is a schematic structural diagram of a lower housing according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of an upper housing according to an embodiment of the present invention;

description of reference numerals:

11-mounting ring, 12-bracket, 13-outer barrel, 14-mounting barrel, 15-inner barrel, 1501-first filtering hole, 1502-second filtering hole, 16-connecting plate, 17-rotating shaft and 18-bolt;

21-a first air inlet pipe, 22-a dust collection box, 23-a lower shell, 2301-a mounting block, 2302-a stop block, 2303-a protrusion, 2304-a sliding groove, 2305-a support frame, 24-an upper shell, 2401-a pivot shaft, 2402-a fixture block, 2403-a groove, 25-an air outlet pipe and 26-a second air inlet pipe;

31-first vibrating screen, 32-box, 33-second vibrating screen, 34-column, 35-fixing plate, 36-spring.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to a prickly ash screening plant for sieve the prickly ash of picking, this prickly ash screening plant includes box 32, is equipped with first vibration screening net 31 and is located the second vibration screen 33 of first vibration screen 31 below in box 32, and just first vibration screen 31 and second vibration screen 33 correspond the setting, and the incline direction between them is opposite. The first vibrating screen 31 and the second vibrating screen 33 are fixedly connected, and in a specific structure, a plurality of fixing plates 35 capable of being connected with the first vibrating screen 31 and the second vibrating screen 33 are respectively arranged on two sides of the first vibrating screen 31 and the second vibrating screen 33. The fixing plate 35 is simple, is easily fixed and installed on the first vibration screen 31 and the second vibration screen 33, and has low production cost and good use effect. Four columns 34 are arranged at the bottom of the second vibrating screen 33, a spring 36 is fixedly connected between the top of each column 34 and the bottom of the second vibrating screen 33, and a vibrating device is arranged at the bottom of the second vibrating screen 33 to drive the first vibrating screen 31 and the second vibrating screen 33 to vibrate synchronously, so that the Chinese prickly ash screening is realized. The vibrating device here may be a prior art vibrating motor or other vibrating device that facilitates mounting on the bottom of the second vibrating screen 33.

In order to ensure the screening effect of the chinese prickly ash, the aperture of the sieve hole on the first vibrating screen 31 in this embodiment is larger than the aperture of the sieve hole on the second vibrating screen 33. So that the zanthoxylum bungeanum with small particle size falls from the first vibrating screen 31 onto the second vibrating screen 33. In addition, a tray is provided at the bottom of the second vibration screen 33 to collect the peppers dropped from the second vibration screen 33. In addition, the discharge ends of the first vibrating screen 31 and the second vibrating screen 33 extend out of the box body, and the screened pepper can be collected conveniently based on the relative arrangement of the discharge ends of the first vibrating screen 31 and the second vibrating screen.

In this embodiment, a screening barrel configured to pre-screen the chinese prickly ash to be screened is installed at the top of the box 32 corresponding to the feeding port of the first vibrating screen 31, and in a specific structure, as shown in fig. 1, fig. 3 and fig. 4, the screening barrel includes an outer barrel 13 fixed at the top of the box 32 and disposed inside through, an inner barrel 15 sleeved in the outer barrel 13 and having a barrel bottom, and an installation barrel 14 sleeved at the top of the inner barrel 15, a chinese prickly ash feeding port is formed between the installation barrel 14 and the inner barrel 15, and a discharging port is formed at the bottom of the outer barrel 13. A plurality of first filtering holes 1501 are formed in the circumferential direction of the inner tub 15 and extend along the axis of the inner tub, the first filtering holes 1501 are spaced apart from each other in the axial direction of the inner tub 15, and a plurality of second filtering holes 1502 are formed in the bottom of the inner tub. A rotating shaft 17 is detachably connected between the mounting barrel 14 and the barrel bottom, a motor is mounted at the top of the mounting barrel 14, and the power output end of the motor is connected to the top end of the rotating shaft 17 to drive the inner barrel 15 to rotate relative to the outer barrel 13.

Wherein, the bottom spiro union of above-mentioned pivot 17 is in the barrel bottom, and this kind of spiro union's form installation and convenient to use, and the spiro union direction is the same with its rotation direction to prevent the connection inefficacy between the two. In order to improve the stability of the inner barrel 15 during rotation, three connecting plates 16 are fixedly connected to the outer peripheral surface of the mounting barrel 14 at intervals, and corresponding to the free ends of the connecting plates 16, bolts are mounted on the inner barrel 15 and are screwed on the free ends of the connecting plates 16 to form relative fixation between the mounting barrel 14 and the inner barrel 15.

Based on the above structural description, the mounting barrel 14 and the inner barrel 15 in the embodiment rotate relative to the outer barrel 13 under the driving of the motor, and the pepper to be screened entering the inner barrel 15 is made to perform centrifugal motion, wherein, in order to improve the screening effect of the inner barrel 15, the area of the first filtering holes 1501 in the embodiment is larger than that of the second filtering holes 1502, so that most of the pepper to be screened is discharged out of the inner barrel 15 through the first filtering net, and a small part of the pepper directly falls out of the discharge port through the second filtering holes 1502 at the bottom of the barrel, so that the screening efficiency through centrifugal screening is high, and the screening effect is good. In addition, a sponge layer is fixedly arranged on the inner peripheral wall of the outer barrel 13 to buffer and protect the pepper touching the outer barrel 13 due to centrifugal motion. In order to prevent the pepper from being adhered to the sponge and facilitate the pepper to fall to the discharge hole, in the embodiment, a plastic film is adhered to the outer surface of the sponge layer. The plastic film is the plastic film in the prior art, has smooth surface and mature structure, and is not easy to adhere to pepper.

The structure of the outer tub 13 is shown in fig. 2 and 4, and includes a first body located outside the inner tub 15 and having a cylindrical shape, a second body located right below the inner tub 15, and a middle body connected between the second body and the first body and having a tapered shape. Four brackets 12 are connected to the outer peripheral surface of the outer tub 13 at intervals around the outer peripheral surface, the free ends of the brackets 12 are fixedly connected to the mounting ring 1, and the outer tub 13 is fixed to the cabinet via fasteners penetrating through the mounting ring 1 and the top of the cabinet. The fastener may be a bolt 18 or other fastener capable of connecting the two.

In this embodiment, the inner barrel 15 is shown in fig. 3, and the inner barrel 15 includes a barrel body and a feeding section connected to the top of the barrel body and extending outward. The feed inlet of this screening bucket specifically encloses by feed section and installation bucket 14 and constructs, here, partly falls into in installation bucket 14 and influences the rotation of motor when preventing the prickly ash feeding, sets up installation bucket 14 in the top of interior bucket 15.

According to the screening barrel in the embodiment, the peppers to be screened are placed in the inner barrel 15, then the motor is started to drive the mounting barrel 14 and the inner barrel 15 to rotate relative to the outer barrel 13, so that the peppers in the inner barrel 15 do centrifugal motion in the inner barrel 15, most of the peppers can enter the outer barrel 13 through the first filtering holes 1501, other peppers can enter the outer barrel 13 through the second filtering holes 1502, and the peppers in the outer barrel 13 can be discharged onto the vibrating screen through the discharge hole in the outer barrel 13. Therefore, the pepper can be pre-screened, so that the screening efficiency of the vibrating screen in use is improved. Meanwhile, the arrangement of the sponge layer can also buffer and protect the screened Chinese prickly ash. In addition, adopt detachable connected mode between installation bucket 14 and the interior bucket 15, be convenient for with both splits after the use, and be convenient for clear up the impurity such as leaf or prickly ash stalk of keeping apart in interior bucket 15.

In addition, a dust removing device configured to collect dust in the box body is further installed on the top of the box body 32 in this embodiment, and the dust removing device includes a lower housing 23 on the top of the box body 32, and an upper housing 24 detachably installed on the lower housing 23. Wherein, be formed with the blanking chamber of toper in lower casing 23, be constructed the air outlet chamber of toper on last casing 24, and the sharp portion in blanking chamber sets up down, and the sharp portion in air outlet chamber sets up. And the top in blanking chamber intercommunication has first intake pipe 21 and second intake pipe 26, and the inlet end of first intake pipe 21 and second intake pipe 26 all staggers the setting with the end of giving vent to anger to reduce both and produce the influence when using, and then influence the effect of admitting air.

In this embodiment, there is outlet duct 25 at the top intercommunication in the chamber of giving vent to anger to be connected with the drive division that orders about the air current inflow blanking chamber and go out the chamber at the end of giving vent to anger of outlet duct 25, the drive division of here can be the air-blower, also can be other equipment that can produce the negative pressure in the workshop, and it should debug when using, in order to avoid leading to prickly ash or other impurity in the box to enter into the blanking intracavity through the intake pipe because of the wind speed is too big. In addition, the air inlet ends of the first air inlet pipe 21 and the second air inlet pipe 26 are also provided with filter screens, so that other impurities in the box body can be effectively prevented from entering the air inlet pipes, and the using effect of the dust removal device is influenced. In addition, install the filter core that can realize filtering the dust at the top in blanking chamber.

The structure of the lower casing 23 is as shown in fig. 3, and the whole of the lower casing 23 includes two parts, a conical blanking section at the bottom and a block-shaped installation section at the top, wherein the installation section is used for installing the filter element, and specifically, in the structure, a support net transversely arranged at the top of the blanking cavity is arranged at the top of the lower casing 23, and the filter element is placed in a space enclosed by the support net and the installation section, for example, the support net can be a lattice grid structure in fig. 3. The bottom of the lower shell 23 is provided with a blanking pipe which is obliquely and downwards arranged and is communicated with the blanking cavity, the blanking pipe is communicated with the top of the dust collection box 22, and the arrangement can guide dust in the blanking cavity to flow into the dust collection box 22 so as to improve the dust collection effect of the whole dust collection device.

The structure of the upper housing 24 is shown in fig. 4, and the whole body thereof also includes two parts, a connecting section which is connected with the lower housing 23 and is in a block shape, and an air outlet section which is positioned at the top and is in a cone shape, wherein the specification of the connecting section is matched with that of the mounting section.

In this embodiment, a pivot shaft 2401 is provided on one side of the bottom of the upper housing 24, a mounting block 2301 is configured on the lower housing 23 corresponding to the pivot shaft 2401, and a chute 2304 for inserting the pivot shaft 2401 and allowing the pivot shaft 2401 to slide along the upper housing 24 is configured on the mounting block 2301. The upper shell 24 can be pivoted relative to the lower shell 23 to open the upper shell and the lower shell, so that the filter element can be taken and placed. In order to fix the upper housing 24 and the lower housing 23, in this embodiment, a latch 2402 is provided to extend from the other side of the upper housing 24 with respect to the pivot shaft 2401, a stopper 2302 is provided to extend from the other side of the lower housing 23 corresponding to the latch 2402, and a locking groove into which the latch 2402 slides and is engaged is provided at an end of the stopper 2302. When the pivot shaft 2401 moves to one end of the sliding groove 2304 close to the stopper 2302, the stopper 2402 can slide and be clamped in the clamping groove, so that the upper shell 24 and the lower shell 23 are fixedly connected, namely, the dust removing device is in a normal use state.

In this embodiment, the relative rotation between the upper housing 24 and the lower housing 23 can be realized through the arrangement of the pivot shaft 2401 and the chute 2304, so that the filter element can be taken conveniently, and the filter element can be installed, replaced, cleaned and maintained. In addition, the upper shell 24 and the lower shell 23 can be connected and fixed through the clamping of the clamping block 2402 in the clamping groove on the block 2302, and the clamping block is matched with the sliding of the pivot shaft 2401. When the upper housing 24 is fastened to the lower housing 23, the upper housing 24 is slid to slide the upper pivot shaft 2401 in the sliding groove 2304 toward the stopper 2302, and then the stopper 2402 can slide into the groove of the stopper 2302 to complete the installation between the upper housing 24 and the lower housing 23 after the upper housing 24 is moved to the rear surface. It is simple to operate and convenient to use.

In addition, as shown in fig. 3 and 4, in the present embodiment, a groove 2403 extending along the width of the latch 2402 is formed on the lower surface of the latch 2402, and a protrusion 2303 is provided on the stopper 2302 corresponding to the groove 2403, and the groove 2403 is engaged with the protrusion 2303 with the movement of the upper housing 24. So set up, the connection effect between fixture block 2402 and dog 2302 can be improved in the setting of arch 2303 and recess 2403, prevents that fixture block 2402 from deviating from in by the draw-in groove, and its shaping is convenient, and connection effect is good.

When the dust removal device in the embodiment is used, the dust removal device is driven by the driving part and used for screening dust in the box body of the pepper, the dust can enter the blanking cavity through the air inlet pipe, at the moment, most of dust can enter the dust collection box 22 through the blanking cavity due to the arrangement of the conical blanking cavity, part of dust flows through the filter element and is left on the filter element or falls in the blanking cavity under the filtration of the filter element, the dust in discharged gas is reduced, and the discomfort of a human body caused by the direct discharge of the dust is reduced. In addition, the dust collecting mode can reduce the dust filtered by the filter element, thereby prolonging the service life of the filter element. The air outlet cavity is also arranged to be conical, so that the efficiency of discharging air in the air outlet pipe 25 can be obviously improved. This dust collector for prickly ash screening has collection dirt effectual, convenient to use's effect.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a prickly ash screening plant, its characterized in that includes box (32), in box (32) top is installed to constitute and is treated the screening bucket of screening prickly ash preliminary screening, and constitutes right the dust collector that dust was collected in box (32), and corresponding to the discharge gate of screening bucket, in install first vibration screen (31) in box (32), first vibration screen (31) by being located the one end downwardly extending setting of the below of discharge gate, corresponding to first vibration screen (31), in the below of first vibration screen (31) is equipped with second vibration screen (33) rather than linking firmly, the incline direction of second vibration screen (33) with the incline direction of first vibration screen (31) is opposite, and corresponding to second vibration screen (33), is equipped with the tray in its bottom, and in be connected with vibrating device on second vibration screen (33), in order to order about first vibration screen cloth (31) with second vibration screen cloth (33) synchronous oscillation, in the bottom of second vibration screen cloth (33) be equipped with a plurality of stands (34), and in the top of stand (34) with link firmly spring (36) between the bottom of second vibration screen cloth (33), just first vibration screen cloth (31) with the discharge end of second vibration screen cloth (33) all stretches out box (32) sets up.

2. The pepper screening device as claimed in claim 1, wherein: and a plurality of fixing plates (35) which can form connection between the first vibration screen (31) and the second vibration screen (33) are respectively arranged on two sides of the first vibration screen and the second vibration screen.

3. The pepper screening device as claimed in claim 1, wherein: the screening barrel comprises an outer barrel (13) which is fixed on the top of the box body (32) and is arranged in a through manner, an inner barrel (15) which is sleeved in the outer barrel (13) and is provided with a barrel bottom, and a mounting barrel (14) which is sleeved on the top of the inner barrel (15), wherein a pepper feeding hole is formed between the mounting barrel (14) and the inner barrel (15), a discharging hole is formed at the bottom of the outer barrel (13), a rotating shaft (17) is detachably connected between the mounting barrel (14) and the barrel bottom, a motor is mounted at the top of the mounting barrel (14), and the power output end of the motor is connected to the top end of the rotating shaft (17) so as to drive the inner barrel (15) to rotate relative to the outer barrel (13); a plurality of first filtering holes (1501) extending along the axis of the inner barrel (15) are formed in the circumferential direction of the inner barrel (15), the first filtering holes (1501) are arranged along the axial direction of the inner barrel (15) at intervals, a plurality of second filtering holes (1502) arranged at intervals are formed in the bottom of the inner barrel, the area of the first filtering holes (1501) is larger than that of the second filtering holes (1502), and a sponge layer is fixedly arranged on the inner peripheral wall of the outer barrel (13).

4. The pepper screening device as claimed in claim 3, wherein: and a plastic film is bonded on the outer surface of the sponge layer.

5. The pepper screening device as claimed in claim 3, wherein: three connecting plates (16) are fixedly connected to the outer peripheral surface of the mounting barrel (14) at intervals, bolts (18) are mounted on the inner barrel (15) corresponding to the free ends of the connecting plates (16), and the bolts (18) are screwed with the free ends of the connecting plates (16) to form relative fixation between the mounting barrel (14) and the inner barrel (15).

6. The pepper screening device according to any one of the claims 1 to 5, wherein: the dust removal device comprises a lower shell (23) arranged at the top of the box body (32) and an upper shell (24) detachably arranged on the lower shell (23), a conical blanking cavity is formed in the lower shell (23), a conical air outlet cavity is constructed on the upper shell (24), the sharp part of the blanking cavity is arranged downwards, and the sharp part of the air outlet cavity is arranged upwards; the top of the blanking cavity is communicated with at least one air inlet pipe, the top of the air outlet cavity is communicated with an air outlet pipe (25), the top of the blanking cavity is provided with a filter element, and the air outlet end of the air outlet pipe (25) is connected with a driving part which drives air flow to flow into the blanking cavity and the air outlet cavity.

7. The pepper screening device as claimed in claim 6, wherein: a pivot shaft (2401) is arranged on one side of the bottom of the upper shell (24), a mounting block (2301) is configured on the lower shell (23) corresponding to the pivot shaft (2401), and a sliding groove (2304) which is used for inserting the pivot shaft (2401) and can allow the pivot shaft (2401) to slide along the upper shell (24) is configured on the mounting block (2301).

8. The pepper screening device as claimed in claim 7, wherein: relative to the pivot shaft (2401), a clamping block (2402) which extends outwards is arranged on the other side of the upper shell (24), a stop block (2302) which extends outwards is formed on the other side of the lower shell (23) corresponding to the clamping block (2402), and a clamping groove for the clamping block (2402) to slide in and be embedded is formed in the end portion of the stop block (2302); when the pivot shaft (2401) moves to one end of the sliding groove (2304) close to the stop block (2302), the clamping block (2402) can slide and be clamped in the clamping groove.

9. The pepper screening device as claimed in claim 6, wherein: and a filter screen is arranged at the air inlet end of the air inlet pipe.

10. The pepper screening device as claimed in claim 6, wherein: the air inlet pipes are arranged on two sides of the lower shell (23) respectively, and air inlet ends of the two air inlet pipes are arranged corresponding to the top of the first vibrating screen and the top of the second vibrating screen respectively.