CN112604774B - A prickly ash screening machine with integrated crushing and wind-selection functions - Google Patents

Abstract

The invention relates to a Zanthoxylum bungeanum screening machine with integrated crushing and air selection functions, belonging to the technical field of Zanthoxylum bungeanum processing equipment. Selection device and vibrating screening device; the present invention uses a primary crushing device and a secondary crushing device to crush Zanthoxylum bungeanum, and the Zanthoxylum bungeanum after the two-stage crushing is subjected to the crushing of the Zanthoxylum bungeanum leaves and branches through the wind selection device. Wind selection, and then through the vibrating screening device, the prickly ash branches, residual leaves and small stalks existing in prickly ash are screened step by step to ensure that the prickly ash shell and prickly ash seeds can be screened out cleanly; After the first-level crushing, the prickly ash is screened by wind separation and vibrating screening device, which effectively reduces the labor cost and greatly improves the screening efficiency.

Description

A prickly ash screening machine with integrated crushing and wind-selection functions

technical field

The invention belongs to the technical field of Zanthoxylum bungeanum processing equipment, in particular to a Zanthoxylum bungeanum screening machine with integrated crushing and wind selection functions.

Background technique

The prickly ash planting areas are mostly hills and mountains, especially the prickly ash grown in the plateau area has better color and taste, and the planting area is wide. After the prickly ash is picked and dried, it is necessary to sieve the prickly ash branches, leaves, small stems, black seeds and pepper shells. Come, the branches, leaves and small stems are thrown away, and the black seeds and pepper shells are placed separately for different purposes.

There are mainly three kinds of existing screening methods: the first method is manual screening, which has low screening efficiency and unsatisfactory effect; the second method is mechanical color sorting method, which has better screening effect, but the biggest problem is The equipment is bulky, expensive, complicated to operate, and expensive to maintain. It is only suitable for fine screening after rough screening of Chinese prickly ash. The third method uses mechanical vibration for screening. This method has low machine cost and easy operation. , can meet the needs of mass production, in line with the development trend of pepper screening technology and equipment.

As far as the existing vibrating prickly ash screening machine is concerned, there are mainly two shortcomings: on the one hand, the screening effect is not ideal, the screening of prickly ash branches, leaves and small stems is not clean, and the separation of pepper seeds and pepper shells is not pure enough. Part of the prickly ash seeds will be mixed into the prickly ash shell; on the other hand, the screening efficiency is low and cannot meet the demand for screening efficiency.

SUMMARY OF THE INVENTION

In order to overcome the problems existing in the background technology, the present invention proposes a prickly ash screening machine with integrated crushing and wind-selection functions, so as to solve the problem of unclean screening of prickly ash branches, leaves and small stalks, and low screening efficiency by existing equipment. question.

To achieve the above object, the present invention is achieved through the following technical solutions:

A prickly ash screening machine with integrated crushing and air-selection functions includes a screening bin 1, an air-selection bin 2, a feeding hopper 3, a primary crushing device, a secondary crushing device, an air-selection device, and a vibrating screening device, The top of the screening bin 1 is installed with a wind separation bin 2, a feed hopper 3 is installed on the top of the wind separation bin 2, and a first-stage hopper located in the wind separation bin 2 is installed at the discharge port of the feed hopper 3. Crushing device, the discharge port of the primary crushing device is equipped with a secondary crushing device located in the wind separation bin 2, and the secondary crushing device is equipped with a wind separation device, and the discharge port of the secondary crushing device is installed with The vibrating screening device in the screening bin 1 is connected.

Further, the primary crushing device includes a primary crushing bucket 4, a primary crushing roller 5, a primary crushing blade 6, and a driving device 7. The feed port of the primary crushing bucket 4 is connected to The discharge port of the feeding hopper 3 is connected, the primary crushing roller 5 is installed on the inner wall of the feeding port of the primary crushing hopper 4 through the bearing, and the primary crushing roller 5 is connected to the driving device 7 through the pulley transmission mechanism I11. The power output shaft is connected, the primary crushing blade 6 is evenly installed on the circumferential surface of the primary crushing roller 5, and the primary crushing bucket 4 is connected with the secondary crushing device.

Further, the secondary crushing device includes a secondary crushing bucket 8, a secondary crushing roller 9, a secondary crushing blade 10, and a pulley transmission mechanism I11. The feeding of the secondary crushing bucket 8 The outlet is connected with the discharge port of the primary crushing bucket 4, the secondary crushing bucket 8 is an arc-shaped cylindrical structure with an open upper end, and the secondary crushing roller 9 is installed on both ends of the secondary crushing bucket 8 through bearings. On the inner wall, the secondary crushing roller 9 is evenly provided with secondary crushing blades 10, the secondary crushing roller 9 is connected with the primary crushing roller 5 through the pulley transmission mechanism, and the arc wall of the secondary crushing bucket 8 is Discharge holes are evenly opened on the top.

Further, a tensioning mechanism 34 for tensioning the belt of the tensioning pulley transmission mechanism I11 is installed on the outer wall of the screening bin 1 .

Further, the tensioning mechanism 34 includes a mounting seat 35, a tension cylinder 36, an adjusting seat 37, an adjusting rod 38, a spring 39, an adjusting piston 40, and a tensioning wheel 41, and the mounting seat 35 is fixedly installed in the screening bin 1, the tension cylinder 36 is fixed on the mounting seat 35, the inner wall of one end of the tension cylinder 36 is provided with a thread, the adjustment seat 37 is provided with an external thread matching the inner wall of the tension cylinder 36, and the adjustment seat 37 is fixedly installed with an adjustment Rod 38, the adjusting piston 40 is installed in the tension cylinder 36, a spring 39 is installed between the piston end of the adjusting piston 40 and the adjusting seat 37, the piston rod of the adjusting piston 40 extends out of the tension cylinder 36 and is installed with a tensioning wheel 41 through the rotating shaft .

Further, the wind separation device includes a wind separation feeding hopper 12, a wind separation feeding pipe 13, an air inlet pipe 14, a fan 15, a wind separation material pipe 16, a prickly ash leaf and a branch scrap collection box 17. The selection feed hopper 12 is installed on the outside of the discharge end of the secondary crushing device. The bottom of the air selection feed hopper 12 is provided with an air selection feed pipe 13, and a side wall of the air selection feed pipe 13 is installed with the same. The air inlet pipe 14 communicated with the inner cavity, the air inlet of the air inlet pipe 14 is connected with the air outlet of the fan 15, and the air selection material pipe corresponding to the air inlet pipe 14 is installed on the other side wall of the air selection feeding pipe 13 16. The discharge port of the air-selecting material pipe 16 is connected to the collection box 17 of the prickly ash leaves and branches.

Further, the vibrating screening device includes a first screen 18, a first screen cabin 19, a second screen 20, a second screen cabin 21, a third screen 22, a third screen cabin 23, and a fourth screen 24. The fourth screen cabin 25, swing arm I26, swing arm II27, swing arm III28, swing arm IV29, Sichuan pepper seed collection box 30, connecting rod I31, connecting rod II32, eccentric wheel 33, the eccentric wheel 33 is installed On the power output shaft of the drive device 7, the eccentric wheel 33 is hinged with a connecting rod I31 and a connecting rod II32, the inclined lower end of the second screen 20 is hinged on the connecting rod I31, and the upper end of the swing arm I26 is hinged on the screening bin 1. The lower end of the swing arm I26 is hinged on the right connecting rod of the first screen 18 and the second screen 20, the inclined lower end of the first screen 18 is hinged on the swing arm II27, and the swing arm II27 is fixedly installed on the On the inner wall of the screening bin 1, a first screen cabin 19 is installed at the bottom of the first screen 18, and the inclined upper end of the second screen 20 is fixed to the left side of the first screen 18 and hinged on the swing arm II27. The inclined lower end of the second screen 20 and the right side of the first screen 18 are fixed and hinged on the swing arm I26 by connecting rods. The outlet of the first screen compartment 19 is located above the inclined upper end of the second screen 20. The screen compartment 21 is installed at the bottom of the second screen 20; the two ends of the fourth screen 24 are hinged on the swing arm III28 and the swing arm IV29 fixed on the inner walls of both sides of the screening compartment 1 respectively. The bottom of 24 is installed with a fourth screen compartment 25, the third screen 22 is fixed on the fourth screen 24 through a bracket, and the third screen 22 is located above the fourth screen 24, and the upper end of the third screen 22 is inclined Hinged with connecting rod II32, the bottom of the third screen 22 is installed with a third screen cabin 23; the inclined upper end of the third screen 22 is provided with a through port, and the discharge port of the second screen 20 is located in the third screen. Above the upper opening of 22, the inclined upper end of the fourth screen 24 is located below the upper opening of the third screen 22; the inclined lower end of the second screen cabin 21 is provided with a discharge port, and the second screen cabin 21 is provided with a discharge port. The discharge port is located above the feed end of the third screen mesh 22 , and a prickly ash seed collection box 30 is provided at the discharge end of the third screen mesh 22 .

Further, the sieve holes of the first sieve 18, from the inclined upper end to the inclined lower end, are sequentially composed of strip holes 42, fine holes 43 of the Zanthoxylum bungeanum mesh and large holes 44 of the Zanthoxylum bungeanum mesh; The sieve aperture of the net 20 is larger than the diameter of the Zanthoxylum bungeanum seeds that needs to be screened and is smaller than the diameter of the Zanthoxylum bungeanum shell; The sieve hole diameter is consistent with the sieve hole diameter of the second screen mesh 20 .

Beneficial effects of the present invention:

The invention uses a primary crushing device and a secondary crushing device to crush Zanthoxylum bungeanum, and the Zanthoxylum bungeanum after the two-stage crushing is subjected to the wind selection of Zanthoxylum bungeanum leaves through an air selection device, and then the Zanthoxylum bungeanum leaves are separated by a vibrating screening device. The existing prickly ash branches, leaves and small stalks are screened step by step to ensure that prickly ash shells and prickly ash seeds can be screened out cleanly; at the same time, the present invention performs secondary smashing of prickly ash, and adopts wind selection and vibrating screening device to screen prickly ash. Screening effectively reduces labor costs and greatly improves screening efficiency.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structural schematic diagram of the power transmission part of the present invention;

3 is a top view of the vibrating screening device of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention and the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in Figure 1-3, a prickly ash screening machine with integrated crushing and wind selection functions includes a screening bin 1, a wind sorting bin 2, a feeding hopper 3, a primary crushing device, a secondary crushing device, an air Selection device, vibrating screening device. The top of the screening bin 1 is installed with a wind separation bin 2, a feed hopper 3 is installed on the top of the wind separation bin 2, and a first-stage hopper located in the wind separation bin 2 is installed at the discharge port of the feed hopper 3. Crushing device, the discharge port of the primary crushing device is equipped with a secondary crushing device located in the wind separation bin 2, and the secondary crushing device is equipped with a wind separation device, and the discharge port of the secondary crushing device is installed with The vibrating screening device in the screening bin 1 is connected. The prickly ash after picking and drying is placed in the feeding hopper 3, and the prickly ash is first smashed by the first-level crushing device, so that the leaves and branches in the prickly ash are broken. The prickly ash shell will open a certain opening, and the prickly ash seeds in the two halves of the prickly ash shell can be separated from the shell through the first-stage crushing device. After being processed by the primary crushing device, the Zanthoxylum bungeanum device can enter the secondary crushing device. The secondary crushing device further crushes the leaves and branches in the Zanthoxylum bungeanum, and separates the Zanthoxylum bungeanum seeds from the Zanthoxylum bungeanum mouth as much as possible. The Zanthoxylum bungeanum after being processed by the secondary crushing device enters the vibrating screening device, and the crushed and lighter Zanthoxylum bungeanum leaves and branches and other materials are removed from the Zanthoxylum bungeanum by the wind selection device. Selected, and then removed the light impurities such as the leaves and branches of the Chinese prickly ash, and then entered the vibrating screening device, and the prickly ash branches, small debris and small stalks existing in the Chinese prickly ash were sieved through the vibrating screening device. Afterwards, the Chinese prickly ash shell and the prickly ash seed are sieved separately to obtain the prickly ash shell and the prickly ash seed without impurities.

A moving wheel 46 is installed at the bottom of the screening bin 1 to support the screening machine to move on the ground.

In the present invention, the primary crushing device includes a primary crushing bucket 4, a primary crushing roller 5, a primary crushing blade 6, and a driving device 7. The feed of the primary crushing bucket 4 The material port is connected with the discharge port of the feeding hopper 3, the primary crushing roller 5 is installed on the inner wall of the feeding port of the primary crushing hopper 4 through the bearing, and the primary crushing roller 5 is driven by the pulley transmission mechanism I11. The power output shaft of the device 7 is connected, the primary crushing blade 6 is evenly installed on the circumferential surface of the primary crushing roller 5, and the primary crushing bucket 4 is connected with the secondary crushing device. The dried Chinese prickly ash is placed in the feeding hopper 3, and the driving device 7 is activated. The driving device 7 includes a motor 47, a pulley transmission mechanism II 48, and a power output shaft 49. The motor 47 is fixedly installed on the outer wall of the fixed and screening bin 1. On the bottom plate, the power output shaft 49 is installed on the bracket on the outer wall of the screening bin 1 through the bearing, the drive shaft of the motor 47 is connected with the power output shaft 49 through the pulley transmission mechanism II48, and the power output shaft 49 is connected with the pulley transmission mechanism I11. The primary crushing roller 5 is connected. During the working process, the motor 47 drives the power output shaft 49 to rotate through the pulley transmission mechanism II48, and the power output shaft 49 drives the primary crushing roller 5 to rotate through the pulley transmission mechanism II48. Drive the first-level crushing blade 6 installed on it to rotate along with it, and the first-level crushing blade 6 can break the leaves and branches existing in the Zanthoxylum bungeanum at the bottom of the feeding hopper 3 during the rotation process and make the two halves of the Zanthoxylum bungeanum shells smashed. The prickly ash seeds are separated from the shell; at the same time, driven by the rotation of the primary crushing blade 6, the crushed prickly ash is driven by the bottom discharge port of the net feed hopper 3 and falls into the secondary crushing device . At the same time, the first-level crushing blade 6 has the function of material removal and turning over, so that the prickly ash in the feeding hopper 3 will not be blocked during the crushing work.

In the present invention, the secondary crushing device includes a secondary crushing bucket 8, a secondary crushing roller 9, a secondary crushing blade 10, and a pulley transmission mechanism I11. The secondary crushing bucket 8 The feed port is connected with the discharge port of the primary crushing bucket 4, the secondary crushing bucket 8 is an arc-shaped cylindrical structure with an open upper end, and the secondary crushing roller 9 is installed on the secondary crushing bucket 8 through a bearing. On the inner walls of the two ends, the secondary crushing roller 9 is evenly provided with secondary crushing blades 10, the secondary crushing roller 9 is connected with the primary crushing roller 5 through the pulley transmission mechanism, and the secondary crushing bucket 8 Discharge holes are evenly opened on the arc wall. The prickly ash falling from the discharge port at the bottom of the feeding hopper 3 enters the secondary crushing bucket 8, the primary crushing roller 5 drives the secondary crushing roller 9 to rotate through the pulley transmission mechanism, and the secondary crushing roller 9 is During the rotation process, the secondary crushing blade 10 installed on it is driven to rotate along with it, and the secondary crushing blade 10 further crushes the leaves and branches existing in the Zanthoxylum bungeanum during the rotation process, and makes the Zanthoxylum chinensis seeds as much as possible. Separated from the mouth of Zanthoxylum, the secondary crushing blade 10 drives the Zanthoxylum bungeanum to the bottom of the secondary crushing bucket 8 in the process of crushing the Zanthoxylum bungeanum. The discharge hole at the bottom falls into the air separation device for air separation of lighter materials such as leaves.

In the present invention, the wind separation device includes a wind separation feed hopper 12, a wind separation feed pipe 13, an air inlet pipe 14, a fan 15, a wind separation material pipe 16, a prickly ash leaf and a branch scrap collection box 17, so the The air-selection feed hopper 12 is installed outside the discharge end of the secondary crushing device, and the air-selection feed hopper 12 is provided with an air-selection feed pipe 13 at the bottom. There is an air inlet pipe 14 connected to its inner cavity, the air inlet of the air inlet pipe 14 is connected with the air outlet of the fan 15, and the other side wall of the air selection feeding pipe 13 is installed with the air selection corresponding to the air inlet pipe 14. The discharge pipe 16, the discharge port of the air-selected material pipe 16 is connected with the collection box 17 of the prickly ash leaves and the broken pieces of the branches. The prickly ash that is crushed twice falls into the air selection feed hopper 12 from the discharge hole at the bottom of the secondary crushing hopper 8 under the action of extrusion, and then falls into the slender feed hopper 12 from the air selection feed hopper 12 . In the air selection feeding pipe 13, the prickly ash after being crushed for the second time is in the process of falling down the air selection feeding pipe 13, the rotating shaft of the fan 15 is connected with the pulley transmission mechanism I11, and the pulley transmission mechanism I11 is in the transmission. During the process, the fan 15 is driven to work, and the fan 15 will blow horizontally to the air selection feeding pipe 13, so that the lighter substances such as prickly ash leaves in the air selection feeding pipe 13 are blown out from the air selection material pipe 16, and the The lighter substances such as the Zanthoxylum bungeanum leaves falling out of the discharge pipe 16 are collected in a centralized manner through the Zanthoxylum bungeanum leaves and the broken branches and ends collecting box 17 .

In the present invention, the vibrating screening device includes a first screen 18, a first screen cabin 19, a second screen 20, a second screen cabin 21, a third screen 22, a third screen cabin 23, The fourth screen 24, the fourth screen cabin 25, the swing arm I26, the swing arm II27, the swing arm III28, the swing arm IV29, the pepper seed collection box 30, the connecting rod I31, the connecting rod II32, and the eccentric wheel 33, the eccentric The wheel 33 is installed on the power output shaft of the driving device 7, the eccentric wheel 33 is hinged with the connecting rod I31 and the connecting rod II32, the inclined lower end of the second screen 20 is hinged on the connecting rod I31, and the upper end of the swing arm I26 is hinged on the screen. On the wall of the sub-silo 1, the lower end of the swing arm I26 is hinged on the right connecting rod of the first screen 18 and the second screen 20, the inclined lower end of the first screen 18 is hinged on the swing arm II27, and the swing arm II27 It is fixedly installed on the inner wall of the screening bin 1, the bottom of the first screen 18 is installed with a first screen cabin 19, and the inclined upper end of the second screen 20 is fixed to the left side of the first screen 18 and hinged on the swing arm II27. , the inclined lower end of the second screen 20 and the right side of the first screen 18 are fixed and hinged on the swing arm I26 by connecting rods, and the discharge port of the first screen cabin 19 is located above the inclined upper end of the second screen 20 , the second screen compartment 21 is installed at the bottom of the second screen 20; the two ends of the fourth screen 24 are hinged on the swing arm III28 and the swing arm IV29 fixed on the inner walls of both sides of the screening compartment 1 respectively. A fourth screen compartment 25 is installed at the bottom of the fourth screen 24, the third screen 22 is fixed on the fourth screen 24 through a bracket, and the third screen 22 is located above the fourth screen 24. The third screen The inclined upper end of 22 is hinged with connecting rod II 32, the bottom of the third screen 22 is installed with a third screen cabin 23; the inclined upper end of the third screen 22 is provided with a through port, and the discharge port of the second screen 20 is located in the first screen. Above the upper opening of the third screen 22, the inclined upper end of the fourth screen 24 is located below the upper opening of the third screen 22; the inclined lower end of the second screen compartment 21 is provided with a discharge port, and the second screen The discharge port of the cabin 21 is located above the feed end of the third screen mesh 22 , and a prickly ash seed collection box 30 is provided at the discharge end of the third screen mesh 22 . The driving device 7 drives the eccentric wheel 33 to rotate, and the rotating eccentric wheel 33 drives the connecting rod I31 and the connecting rod II32 installed on it to move. During the movement of the connecting rod I31, under the action of the swing arm I26 and the swing arm II27, it drives the first A screen 18, a first screen cabin 19, a second screen 20, and a second screen cabin 21 vibrate. During the movement of the connecting rod II32, under the action of the swing arm III28 and the swing arm IV29, it drives the third screen mesh 22, the third screen mesh cabin 23, the fourth screen mesh 24, and the fourth screen mesh cabin 25 to vibrate. The Zanthoxylum bungeanum from which lighter substances such as Zanthoxylum bungeanum leaves have been removed falls onto the first screen 18 through the outlet of the air-selecting feeding pipe 13 . The sieve holes of the described first screen 18, from the inclined upper end to the inclined lower end, are sequentially composed of strip holes 42, small holes 43 of the Zanthoxylum bungeanum mesh and large holes 44 of the Zanthoxylum bungeanum mesh; the second mesh 20 The sieve aperture is larger than the Zanthoxylum bungeanum seed particle size that needs to be screened and is smaller than the Zanthoxylum bungeanum shell particle size; the sieve aperture of the third screen 22 is smaller than the sieve aperture of the second screen 20; the sieve aperture of the fourth screen 24 is the same as The sieve apertures of the second screen mesh 20 are the same. During the vibrating process of the first screen 18, the strip holes 42 are used to sieve the small stalks and branches of Chinese prickly ash and drop them into the first screen compartment 19, and the fine holes 43 of the prickly ash screen are used to sieve the prickly ash pieces and drop them off. After entering the first screen compartment 19, the shells and seeds of Chinese prickly ash fall to the second screen 20 through the large holes 44 of the prickly ash screen for screening. The described second screen 20 is used for screening black seeds of Chinese prickly ash, the sieve aperture of the second screen 20 is larger than the diameter of the prickly ash seeds that need to be screened and smaller than the grain size of the prickly ash shell, and the second screen 20 is in the vibration process, The Chinese prickly ash shell and the prickly ash seeds are separated, the separated prickly ash seeds fall into the second screen mesh compartment 21 , and the prickly ash shells fall into the fourth screen mesh 24 . The third screen 22 is used to screen the fine debris mixed in the prickly ash seeds, and the sieve hole diameter is smaller than the particle size of the black seeds; during the vibration process, the prickly ash seeds in the second screen compartment 21 fall from the discharge port to the first On the third screen 22 , the third screen 22 will dry the small debris in the prickly ash seeds and drop them into the third screen cabin 23 for centralized collection, while the prickly ash seeds are in the vibration process of the third screen 22 . It is sent to the prickly ash seed collection box 30 for collection. The diameter of the prickly ash seed collecting box 30 is larger than the particle size of the prickly ash shell. When the prickly ash on the second screen 20 falls on the fourth screen 24, the vibrating fourth screen 24 removes the small impurities in the prickly ash shell. The materials are screened out and dropped into the fourth screen compartment 25 for centralized collection. At the same time, a few pepper seeds mixed in the pepper shells will also be screened again, and the cleaned pepper shells will pass through the vibration of the fourth The discharge port of the screen 24 is discharged for centralized collection. The vibrating screening device screens the branches, leaves and small stalks of Chinese prickly ash step by step to ensure that the prickly ash shell and prickly ash seeds can be screened out cleanly to meet the screening requirements.

In the present invention, a tensioning mechanism 34 for tensioning the belt of the pulley transmission mechanism I11 is installed on the outer wall of the screening bin 1 . The tensioning mechanism 34 includes an installation seat 35, a tension cylinder 36, an adjustment seat 37, an adjustment rod 38, a spring 39, an adjustment piston 40, and a tensioning wheel 41. The installation seat 35 is fixedly installed on the screen of the screening bin 1. On the outer wall, the tension cylinder 36 is fixed on the mounting seat 35, the inner wall of one end of the tension cylinder 36 is provided with a thread, the adjustment seat 37 is provided with an external thread that matches the thread of the inner wall of the tension cylinder 36, and an adjustment rod 38 is fixedly installed on the adjustment seat 37. , the adjusting piston 40 is installed in the tension cylinder 36, a spring 39 is installed between the piston end of the adjusting piston 40 and the adjusting seat 37, the spring 39 is in a compressed state, the piston rod of the adjusting piston 40 extends out of the tension cylinder 36 and is installed through the rotating shaft. Tension pulley 41 . During the transmission process of the pulley transmission mechanism I11, when the belt is slack, the spring 39 can push the adjusting piston 40 to move forward, so that the adjusting piston 40 pushes the tensioning wheel 41 to move to the side of the belt, so that the belt is on the tensioning wheel. The wrap angle on the 41 is increased to tension the belt. Due to the action of the spring 39, the tensioning mechanism 34 can automatically realize the tensioning of the belt.

In the present invention, by controlling the rotation speed of the motor 47 by the motor controller 45, the rotation speed of the eccentric wheel 33 can be changed, thereby changing the vibration frequency of the vibrating screening device, so as to obtain ideal screening effect and screening efficiency. Or, without changing the rotational speed of the motor 47, the eccentric wheel 33 and the pulley of the pulley transmission mechanism I11 with different eccentricities e are replaced, and the tension of the belt of the pulley transmission mechanism I11 adjusted by the tensioning mechanism 34 can also be changed. The rotating speed of the eccentric wheel 33 can change the vibration frequency of the vibrating screening device, so as to obtain ideal screening effect and screening efficiency.

The working process of the present invention:

Pour the Zanthoxylum bungeanum to be broken into the feed hopper 3 with a length of Lz, and the first-level crushing blade 6 on the first-level crushing roller 5 crushes the Z. Sections of Zanthoxylum bungeanum leaves and branches of the crushed leaf width Lf fall into the secondary crushing bucket 8 through the primary crushing bucket 4, and are smashed twice by the secondary crushing blade 10 on the secondary crushing roller 9 Afterwards, it enters into the air selection feed hopper 12 through the discharge hole on the arc wall of the secondary crushing hopper 8, and then falls into the slender air selection feed pipe 13 from the air selection feed hopper 12. The fan 15 will blow horizontally to the air-selected feeding pipe 13, so that the lighter substances such as prickly ash leaves in the air-selected feeding pipe 13 are blown out from the air-selected material pipe 16 and pass through the prickly ash leaves and the branches and ends of the collection box 17. collect. The remaining prickly ash enters the first screen 18. During the vibration of the first screen 18, the strip holes 42 are used to sieve the small stalks and branches of prickly ash into the first screen compartment 19. The prickly ash screen is fine. The holes 43 are used to sieve the prickly ash powder into the first screen compartment 19 , and the prickly ash shell and the prickly ash seeds fall into the second screen 20 through the large holes 44 of the prickly ash screen for screening. During the vibrating process of the second screen 20 , the prickly ash shell and the prickly ash seeds are separated, the separated prickly ash seeds fall into the second screen compartment 21 , and the prickly ash shell falls into the fourth screen 24 . During the vibration process, the prickly ash seeds in the second screen mesh compartment 21 fall into the third screen mesh 22 from the discharge port, and the third screen mesh 22 dries the small debris mixed in the prickly ash seeds and falls into the Centralized collection is performed in the third screen mesh compartment 23 , while the prickly ash seeds are sent to the prickly ash seed collection box 30 for collection during the vibration process of the third screen mesh 22 . When the prickly ash on the second screen 20 falls on the fourth screen 24, the vibrating fourth screen 24 screens out the small debris in the shell of the prickly ash and makes it fall into the fourth screen compartment 25 for centralized collection, and the cleaned Chinese prickly ash shells are discharged through the discharge port of the fourth vibrating screen 24 for centralized collection.

The invention uses a primary crushing device and a secondary crushing device to crush Zanthoxylum bungeanum, and the Zanthoxylum bungeanum after the two-stage crushing is subjected to the wind selection of Zanthoxylum bungeanum leaves through an air selection device, and then the Zanthoxylum bungeanum leaves are separated by a vibrating screening device. The existing prickly ash branches, leaves and small stalks are screened step by step to ensure that prickly ash shells and prickly ash seeds can be screened out cleanly; at the same time, the present invention performs secondary smashing of prickly ash, and adopts wind selection and vibrating screening device to screen prickly ash. Screening effectively reduces labor costs and greatly improves screening efficiency.

Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should Various changes may be made in details without departing from the scope of the invention as defined by the claims.

Claims (3)

1. The utility model provides an integrated prickly ash sieve separator who smashes and select by winnowing function which characterized in that: the pepper screening machine integrating the smashing and winnowing functions comprises a screening bin (1), a winnowing bin (2), a feeding hopper (3), a primary smashing device, a secondary smashing device, a winnowing device and a vibration screening device, wherein the winnowing bin (2) is installed at the top of the screening bin (1), the feeding hopper (3) is installed at the top of the winnowing bin (2), the primary smashing device positioned in the winnowing bin (2) is installed at a discharge port of the feeding hopper (3), the secondary smashing device positioned in the winnowing bin (2) is installed at a discharge port of the primary smashing device, the winnowing device is installed on the secondary smashing device, and the discharge port of the secondary smashing device is connected with the vibration screening device installed in the screening bin (1); the primary crushing device comprises a primary crushing hopper (4), a primary crushing roller (5), primary crushing blades (6) and a driving device (7), wherein a feeding port of the primary crushing hopper (4) is connected with a discharging port of the feeding hopper (3), the primary crushing roller (5) is arranged on the inner wall of the feeding port of the primary crushing hopper (4) through a bearing, the primary crushing roller (5) is connected with a power output shaft of the driving device (7) through a belt wheel transmission mechanism I (11), the primary crushing blades (6) are uniformly arranged on the circumferential surface of the primary crushing roller (5), and the primary crushing hopper (4) is connected with the secondary crushing device; the secondary crushing device comprises a secondary crushing hopper (8), a secondary crushing roller (9), a secondary crushing blade (10) and a belt wheel transmission mechanism I (11), wherein a feed inlet of the secondary crushing hopper (8) is connected with a discharge outlet of the primary crushing hopper (4), the secondary crushing hopper (8) is of a circular-arc cylindrical structure with an opening at the upper end, the secondary crushing roller (9) is arranged on the inner walls of the two ends of the secondary crushing hopper (8) through a bearing, the secondary crushing roller (9) is uniformly provided with the secondary crushing blade (10), the secondary crushing roller (9) is connected with the primary crushing roller (5) through the belt wheel transmission mechanism, and discharge holes are uniformly formed in the circular-arc wall of the secondary crushing hopper (8); a tensioning mechanism (34) for tensioning a belt of the belt wheel transmission mechanism I (11) is arranged on the outer wall of the screening bin (1); the vibrating screening device comprises a first screen (18), a first screen cabin (19), a second screen (20), a second screen cabin (21), a third screen (22), a third screen cabin (23), a fourth screen (24), a fourth screen cabin (25), a swing arm I (26), a swing arm II (27), a swing arm III (28), a swing arm IV (29), a pepper seed collecting box (30), a connecting rod I (31), a connecting rod II (32) and an eccentric wheel (33), wherein the eccentric wheel (33) is arranged on a power output shaft of a driving device (7), the eccentric wheel (33) is hinged with the connecting rod I (31) and the connecting rod II (32), the inclined lower end of the second screen (20) is hinged on the connecting rod I (31), the upper end of the swing arm I (26) is hinged on the wall of the screening cabin (1), the lower end of the swing arm I (26) is hinged on a connecting rod on the right sides of the first screen (18) and the second screen (20), the lower end of the first screen (18) is hinged to the swing arm II (27), the swing arm II (27) is fixedly mounted on the inner wall of the screening bin (1), a first screen cabin (19) is mounted at the bottom of the first screen (18), the upper end of the second screen (20) is fixed to the left side of the first screen (18) and hinged to the swing arm II (27), the lower end of the second screen (20) is fixed to the right side of the first screen (18) through a connecting rod and hinged to the swing arm I (26), the discharge port of the first screen cabin (19) is located above the upper end of the second screen (20), and the second screen cabin (21) is mounted at the bottom of the second screen (20); two ends of a fourth screen (24) are respectively hinged to a swing arm III (28) and a swing arm IV (29) which are fixed to the inner walls of two sides of the screening bin (1), a fourth screen cabin (25) is installed at the bottom of the fourth screen (24), a third screen (22) is fixed on the fourth screen (24) through a support, the third screen (22) is located above the fourth screen (24), the inclined upper end of the third screen (22) is hinged to a connecting rod II (32), and a third screen cabin (23) is installed at the bottom of the third screen (22); a through hole is formed in the inclined upper end of the third screen (22), the discharge hole of the second screen (20) is positioned above the through hole in the third screen (22), and the inclined upper end of the fourth screen (24) is positioned below the through hole in the third screen (22); a discharge port is formed in the inclined lower end of the second screen cabin (21), the discharge port of the second screen cabin (21) is positioned above the feed end of the third screen (22), and a pepper seed collecting box (30) is arranged at the discharge end of the third screen (22); the sieve pores of the first sieve (18) are formed by arranging three sieve pores of a strip-shaped hole (42), a fine hole (43) of the pepper sieve and a large hole (44) of the pepper sieve from the inclined upper end to the inclined lower end in sequence; the aperture of the sieve pore of the second sieve (20) is larger than the particle size of the pepper seeds to be screened and smaller than the particle size of the pepper shells; the mesh aperture of the third screen (22) is consistent with that of the fine holes (43) of the pepper screen; the mesh opening of the fourth screen (24) is consistent with the mesh opening of the second screen (20).

2. The pepper screening machine integrating functions of smashing and winnowing as claimed in claim 1, wherein: the tensioning mechanism (34) comprises an installation seat (35), a tension cylinder (36), an adjusting seat (37), an adjusting rod (38), a spring (39), an adjusting piston (40) and a tensioning wheel (41), the installation seat (35) is fixedly installed on the outer wall of the screening bin (1), the tension cylinder (36) is fixed on the installation seat (35), a thread is arranged on the inner wall of one end of the tension cylinder (36), an external thread matched with the thread on the inner wall of the tension cylinder (36) is arranged on the adjusting seat (37), the adjusting rod (38) is fixedly installed on the adjusting seat (37), the adjusting piston (40) is installed in the tension cylinder (36), the spring (39) is installed between the piston end of the adjusting piston (40) and the adjusting seat (37), and the tensioning wheel (41) is installed through a rotating shaft after a piston rod of the adjusting piston (40) extends out of the tension cylinder (36).

3. The pepper screening machine integrating functions of smashing and air separation as claimed in any one of claims 1-2, wherein: the wind selector includes selection by winnowing feeder hopper (12), selection by winnowing feeder pipe (13), air-supply line (14), fan (15), selection by winnowing discharging pipe (16), prickly ash leaf and branch pole garrulous end collecting box (17), selection by winnowing feeder hopper (12) install the discharge end outside of smashing the device in the second grade, the bottom of selection by winnowing feeder hopper (12) is provided with selection by winnowing feeder pipe (13), install air-supply line (14) rather than the inner chamber intercommunication on the lateral wall of one side of selection by winnowing feeder pipe (13), the air intake of air-supply line (14) is connected with the air outlet of fan (15), install selection by winnowing discharging pipe (16) that air-supply line (14) corresponds on the opposite side lateral wall of selection by winnowing feeder pipe (13), the discharge gate and prickly ash leaf and branch pole garrulous end collecting box (17) of selection by winnowing discharging pipe (16) are connected.

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