CN113649124B

CN113649124B - Crushing system of walnut for oil squeezing

Info

Publication number: CN113649124B
Application number: CN202110922699.7A
Authority: CN
Inventors: 芮珠明; 季正俊; 季鸿阳; 毛颖成
Original assignee: Lijiang Yongsheng Biantun Tastyle Health Park Co ltd
Current assignee: Lijiang Yongsheng Biantun Tastyle Health Park Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2023-05-05
Anticipated expiration: 2041-08-12
Also published as: CN113649124A

Abstract

The invention relates to the technical field of walnut oil extraction, and discloses an iron walnut crushing system for pressed oil, which comprises the following components: and a feeding barrel. The top end of the feeding barrel is open and communicated with the feeding device, and the edge of the bottom end of the feeding barrel is connected with the crushing material channel. The feeding barrel and the crushing material channel form a closed crushing cavity. The inside of the feed bin is arranged between the feeding device and the crushing material channel, and a material control net is arranged at a position close to the feeding device. The crushing material channel is arc-shaped, and a driving rotating shaft is arranged at the central position of the crushing material channel. The driving rotary shaft is fixedly provided with a driving rotary drum, and at least 2 groups of breaking hammers are arranged on the opposite side of the driving rotary drum. The continuous crushing device can realize continuous crushing of the walnut, effectively solves the problems of extrusion oil production and accumulation of crushed materials in the crusher, and greatly reduces the total amount of organic matters remained in the crusher, thereby effectively solving the problem of oil quality reduction caused by putrefaction of the residual organic matters in the crusher.

Description

Crushing system of walnut for oil squeezing

Technical Field

The invention belongs to the technical field of agricultural product processing, and particularly relates to an iron-walnut crushing system for pressed oil.

Background

The Juglans regia is belonging to Juglandaceae. The deciduous arbor has a height of 10-30 m and a service life of more than hundreds of years, and is distributed in southwest China. The shells of the fruits are hard and heavy, and sink when meeting water, and can generate gold and stone sounds when being mutually impacted, so that the fruits can be selected to be used as a literary composition for playing with walnuts, and also can be used for manufacturing various attractive and durable artware. The oil content in the fruits is high, and the fruits are also important raw material crops for oil extraction.

The prior walnut is crushed by a crusher before being squeezed, so that the walnut shells can be crushed on the one hand, and the walnut kernels are separated by a shell-kernel separating device. On the other hand, the walnut kernels can be crushed into small particles so as to facilitate the subsequent squeezing operation of the squeezer. The prior walnut crusher has an approximate structure with the conventional crusher, and crushes 3-4cm of products are crushed, so that the prior walnut crusher can completely competes with crushing work when crushing crisp walnuts, but has the following problems when crushing iron walnuts: 1. the crushing effect is poor, and the particle size of the crushed materials is changed too much. 2. Crushed materials are easy to accumulate at various gaps, especially between a crushed material channel and a driving rotary drum and between a crushing hammer and a concave channel, and the accumulated crushed materials are easy to spoil and grow a large amount of bacteria for a long time, so that the crushed materials are polluted, the quality of oil is reduced, and frequent shutdown cleaning is required.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides an iron walnut crushing system for pressed oil, which comprises: and a feeding barrel. The top end of the feeding barrel is open and communicated with the feeding device, and the edge of the bottom end of the feeding barrel is connected with the crushing material channel. The feeding barrel and the crushing material channel form a closed crushing cavity. The inside of the feed bin is arranged between the feeding device and the crushing material channel, and a material control net is arranged at a position close to the feeding device. The crushing material channel is arc-shaped, and a driving rotating shaft is arranged at the central position of the crushing material channel. The driving rotary shaft is fixedly provided with a driving rotary drum, and at least 2 groups of breaking hammers are arranged on the opposite side of the driving rotary drum.

The crushing material channel is provided with a concave channel matched with the position of the crushing hammer, and the width of the concave channel is 8-12cm. A gap H1 is formed between the top end of the side wall of the concave channel and the outer edge of the driving rotary drum. The breaking hammer is inserted into the concave channel, and the distance between the top end surface of the breaking hammer and the bottom surface of the inner side of the concave channel is H2. The crushing material passageway bottom is equipped with down the hopper, the feed opening intercommunication of seting up on hopper and the indent passageway down. The steering of the driving rotating shaft is as follows: from the hopper toward the feedwell.

Further, the outer edge of the driving rotary drum is provided with a breaking hammer slot, and at least 2 fixing bolt threaded holes communicated with all breaking hammer slots are formed in the position of the breaking hammer slot on the surface of the driving rotary drum. The breaking hammer is provided with a fixing threaded hole at the corresponding position of the fixing bolt threaded hole, and the fixing bolt sequentially penetrates through the fixing bolt threaded hole and the fixing threaded hole to fix the breaking hammer inserted into the breaking hammer slot.

Further, the driving rotary drum is provided with a blanking guide between the breaking hammers and the side wall of the breaking material channel. The blanking guide between the breaking hammers is a first blanking guide, and the blanking guide between the breaking hammers and the side wall of the breaking material channel is a second blanking guide. The first blanking guide is provided with two triangular ball guide surfaces which respectively drive the rotary drum to face the inward concave channels on two sides, and the second blanking guide is provided with one triangular ball guide surface which drives the rotary drum to face the inward concave channels on the inner side.

Further, the driving rotary drum is rotationally connected with the side wall of the crushing material channel through a closed bearing. The outer side wall of the crushing material channel is provided with a leakage-proof cover which is used for wrapping the sealed bearing at the sealed bearing.

Further, one end of the driving rotating shaft is fixed with a driving wheel, and the other end of the crushing material channel is provided with a rotating base. The driving rotating shaft is rotationally connected with the rotating base.

Further, meshes with the aperture of 20-28cm are densely distributed on the mesh surface of the material control mesh in a matrix mode, and the speed of the driving rotating shaft is 120r/min.

Furthermore, smooth inserting sheets are arranged on two sides of the material control net. The inserting piece is inserted into a movable slot formed in the inner side wall of the feeding barrel and is provided with a driving piece extending to the outside of the feeding barrel. The driving piece is fixed with the telescopic end of the electric control telescopic device.

Further, the top end surface of the side wall of the channel is a curved surface, and the curved surface gradually and smoothly transits from H1=3-4 cm at the material inlet to H1=8-12 mm at the breaking hammer outlet along the rotation direction of the driving rotary drum.

Further, one of the 2 breaking hammers is provided with a 60-degree inclined chamfer surface at a side facing the rotation direction at the hammer tip. The chamfer area is 2 times the area of the top end of the hammer, and H2=10-12 mm. And the top end of the other breaking hammer is provided with an arc surface along the rotation direction, and H2=1-3 mm.

The invention has at least one of the following advantages:

1. the continuous crushing device can realize continuous crushing of the walnut, so that the time for stopping and maintaining the crusher is consistent with the design time, and the requirement of industrial production of the walnut oil is met.

2. The invention effectively solves the problems of extrusion oil production and accumulation of crushed materials in the crusher, and greatly reduces the total amount of residual organic matters in the crusher, thereby effectively solving the problem of oil quality degradation caused by putrefaction of the residual organic matters in the crusher.

Drawings

Fig. 1 is a schematic structural view of an iron walnut crushing system for oil pressing.

FIG. 2 is a schematic view showing the structure of the crushed material channel according to the present invention.

FIG. 3 is a schematic diagram showing the relative relationship among the driving drum, breaking hammer and breaking material channel.

Fig. 4 is a schematic diagram of the structure of the driving shaft and the driving drum according to the present invention.

Fig. 5 is a schematic a-direction structure of the first blanking guide of fig. 3.

Fig. 6 is a schematic view of an a-direction structure of the second blanking guide in fig. 3.

Fig. 7 is a schematic structural diagram of a material control net according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

Example 1

An iron walnut crushing system for pressed oil, as shown in fig. 1 and 2, comprises: feed tank 1. The top end of the feeding barrel 1 is open and communicated with the feeding device, and the bottom end of the feeding barrel is connected with the crushing material channel 2. The feeding barrel 1 and the crushing material channel 2 form a closed crushing cavity. The feeding barrel 1 is arranged between the feeding device and the crushing material channel 2, and a material control net 6 is arranged at a position close to the feeding device. The mesh openings with the aperture of 20-28cm are densely distributed on the mesh surface of the material control net 6 in a matrix mode, and the speed of the driving rotating shaft 7 is 120r/min. The crushing material channel 2 is arc-shaped, and a driving rotating shaft 7 is arranged at the central position of the crushing material channel. The driving rotary shaft 7 is fixedly provided with a driving rotary drum 3, and the driving rotary drum 3 is provided with 2 groups of breaking hammers 4 which are 2 groups or 3 groups or 4 groups or other design numbers on the opposite side.

The crushing material channel 2 is provided with a concave channel 201 matched with the position of the crushing hammer 4, and the width of the concave channel 201 is 8-12cm. A gap H1 is arranged between the top end of the channel side wall 202 of the concave channel 201 and the outer edge of the driving rotary drum 3. The breaking hammer 4 is inserted into the concave channel 201, and the distance between the top end surface of the breaking hammer and the inner bottom surface of the concave channel 201 is H2. The bottom end of the crushing material channel 2 is provided with a discharging hopper 5, and the discharging hopper 5 is communicated with a discharging opening formed in the concave channel 201. The steering of the driving rotating shaft 7 is as follows: from the blanking hopper 5 towards the feedwell 1.

The crushing effect that can produce when current impact breaker broken crisp walnut satisfies the designing requirement, but crushing effect is not good when crushing indisputable walnut, through applicant's research, causes the reason of above-mentioned problem mainly to lie in: 1. the breaking hammer of the existing impact crusher is densely distributed, so that the iron walnut is easily and continuously impacted for many times before entering the breaking material channel, excessive breaking is caused, and the iron walnut mucilage flows out in a large amount, so that the accumulation adhesion between the breaking material channel and the driving rotary drum and between the breaking hammer and the indent channel is realized, the material accumulated and adhered can be fermented and deteriorated while the discharging is influenced, a large amount of bacteria are bred to pollute the breaking material, and the quality of oil output in the later period is greatly influenced. 2. The material of current impact breaker falls into quartering hammer department directly from feedway, and the material whereabouts speed of hickory nut is chaotic, and the impact force that receives can have apparent difference, can lead to producing obvious impulse difference when hickory nut and quartering hammer contact, this just leads to or increases the rotational speed that the crushing was towards, improves the impact force lower limit, and this can very big improvement breaker energy consumption also can lead to receiving the excessive hickory nut of impact force to be excessively broken, leads to the oil in advance. Or conventional power is selected, but the impact force that can lead to some hickory to receive is insufficient, leads to hickory to be driven to broken material passageway department by the jump bit, from impact breakage to oppression breakage, this can lead to hickory to receive the effect of extrusion force and go out oil in advance, greatly influences the oil yield of the broken material in later stage, and the walnut oil that appears in advance can permeate between the breaker gap, when influencing breaker work, can breed a large amount of bacteria, leads to having to frequent shut down the clearance.

Through research, the applicant can effectively solve the problems by additionally arranging the material control net with specific meshes in the embodiment and matching with the breaking hammer with specific rotating speed and installation form. The material control net can enable the walnut speed of the walnut falling into the breaking hammer to be relatively stable, the mesh with the aperture of 20-28cm is combined with the rotating speed of 120r/min of the breaking hammer which is oppositely arranged, the walnut with the speed controlled by the material control net can be effectively impacted and broken, the particle size of broken products is uniform and proper, fine broken materials and large blocks are small, most of the walnut with the impact can be broken into 8-10cm materials, the problem that a large amount of oil and a large amount of mucus are discharged in advance when the particle size of the broken materials is proper is avoided, the total adhesion amount of the broken materials is reduced, the shutdown cleaning frequency of the crusher is remarkably reduced, and the design requirement is met.

Example 2

Based on the walnut crushing system for oil squeezing according to embodiment 1, as shown in fig. 3, the outer edge of the driving drum 3 is provided with a breaking

hammer slot

303, and 2 or 3 or 5 or other designed number of fixing bolt threaded holes 304 are provided on the disc surface of the driving drum 3 at the position of the breaking hammer slot 303, which are communicated with all the breaking hammer slots 303. The breaking hammer 4 is provided with a fixing threaded hole at a position corresponding to the fixing bolt threaded hole 304, and the fixing bolt 8 sequentially passes through the fixing bolt threaded hole 304 and the fixing threaded hole to fix the breaking hammer 4 inserted into the breaking hammer slot 303.

This setting can realize that quartering hammer 4 can dismantle fixed connection at the firm of drive rotary drum 3, when certain quartering hammer of maintenance is needed, only need tear open the quartering hammer that corresponds down and change can, need not to replace and change drive rotary drum 3.

Example 3

Based on the walnut crushing system for oil squeeze of embodiment 1, as shown in fig. 3-6, the driving drum 3 is provided with a blanking guide 9 between the crushing hammers 4 and the side wall of the crushing channel 2. The blanking guide 9 between the breaking hammers 4 is a first blanking guide 901, and the blanking guide 9 between the breaking hammers 4 and the side wall of the breaking passage 2 is a second blanking guide 902. The first blanking guide 901 is provided with two triangular ball guide surfaces which are respectively directed from the driving drum 3 to the two side concave channels 201, and the second blanking guide 902 is provided with one triangular ball guide surface which is directed from the driving drum 3 to the inner side concave channels 201.

Due to the design of the crusher, an anti-collision gap must be provided between the drive drum 3 and the channel side wall 202 of the crushing material channel 2. This results in crushed material falling into these anti-collision gaps. When the crisp walnut is crushed, the crushed materials falling into the concave channel 201 can be vibrated into the concave channel under the vibration acting force of the crusher, and the crushing effect is not affected. However, when the walnut kernels are crushed, mucus is secreted after the walnut kernels are crushed, so that crushed materials in the anti-collision gaps are easily accumulated and adhered and cannot be shaken off. By additionally installing the blanking guide 9 with the specific structure in the embodiment, the applicant can effectively scoop and guide the crushed materials accumulated and adhered between the driving rotary drum 3 and the channel side wall 202 of the crushed material channel 2 into the concave channel 201, so that the crushed product quantity is improved on one hand, and bacteria are prevented from breeding after the accumulated and adhered crushed materials are fermented on the other hand, so that the crushed materials are polluted.

Example 4

Based on the walnut crushing system for the pressed oil according to the embodiment 1, as shown in fig. 4, the driving drum 3 is rotatably connected with the side wall of the crushing material channel 2 through a closed bearing 301. The outer side wall of the crushing material channel 2 is provided with a leakage-proof cover 302 which covers the sealed bearing 301 at the sealed bearing 301.

One end of the driving rotating shaft 7 is fixed with a driving wheel 701, and the other end of the crushing material channel 2 is provided with a rotating base 702. The driving shaft 7 is rotatably connected with the rotating base 702.

This arrangement can avoid leakage of crushed material from the gap of the closed bearing 301, significantly improving the environment at the crushing production site.

Example 5

Based on the walnut crushing system for oil squeeze of embodiment 1, as shown in fig. 7, smooth inserting pieces 601 are disposed on two sides of the material control net 6. The insert 601 is inserted into a movable slot 101 formed in the inner side wall of the feed tank 1, and is provided with a driving piece 602 extending to the outside of the feed tank 1. The driving piece 602 is fixed with the telescopic end of the electric control telescopic device 603.

This setting drives inserted sheet 601 through automatically controlled telescoping device 603 and reciprocates along movable slot 101 to drive accuse material net 6 and carry out reciprocating motion, thereby improved the whereabouts efficiency of material, avoid the material to pile up in the mesh clearance department of accuse material net 6.

Example 6

Based on the walnut crushing system for oil press of embodiment 1, as shown in fig. 1, the top end surface of the side wall 202 of the channel is a curved surface, h1=3-4 cm. This arrangement can avoid that the crushed material of the required particle size is stuck in the gap.

Example 7

Based on the walnut breaking system for oil press of embodiment 1, one of the 2 breaking hammers 4 is provided with a 60 ° inclined chamfer surface at a side facing the rotation direction at the hammer tip. The chamfer area is 2 times the area of the top end of the hammer, and H2=10-12 mm. The other breaking hammer 4 is provided with an arc surface at the top end along the rotation direction, and H2=1-3 mm.

This arrangement allows the breaking hammer 4 to scrape the finely divided material deposited on the bottom surface in the concave channel 201 to different extents by means of the breaking hammer 4 of different structures. The breaking hammer 4 with inclined chamfer faces can break the stacking layer of the stacked materials and drive most of the stacked materials to enter the discharging hopper 5. The breaking hammer 4 with the arc surface can drive the rest accumulated materials into the discharging hopper 5, and as the breaking hammer 4 is relatively close to the inner bottom surface of the concave channel 201, the collision impact between the breaking hammer 4 and the concave channel 201 caused by vibration can be buffered by adopting the arc surface design, and the contact surface between the breaking hammer 4 and the concave channel 201 during vibration collision is reduced.

It should be noted and understood that various modifications and improvements could be made to the invention as described in detail above without departing from the spirit and scope of the invention as claimed. Accordingly, the scope of the claimed subject matter is not limited by any particular exemplary teachings presented.

Claims

1. An iron walnut crushing system for pressing oil, comprising: a feed barrel (1); the top end of the feeding barrel (1) is opened and communicated with the feeding device, and the edge of the bottom end opening is connected with the crushing material channel (2); the feeding barrel (1) and the crushing material channel (2) form a closed crushing cavity; a material control net (6) is arranged in the feeding barrel (1) between the feeding device and the crushing material channel (2) and close to the feeding device; the crushing material channel (2) is arc-shaped, and a driving rotating shaft (7) is arranged at the central position of the crushing material channel; the driving rotary shaft (7) is fixedly provided with a driving rotary drum (3), and at least 2 groups of breaking hammers (4) of 2 groups are arranged on the opposite side of the driving rotary drum (3);

the crushing material channel (2) is provided with a concave channel (201) matched with the position of the crushing hammer (4), and the width of the concave channel (201) is 8-12cm; a gap H1 is formed between the top end of the channel side wall (202) of the concave channel (201) and the outer edge of the driving rotary drum (3); the breaking hammer (4) is inserted into the concave channel (201), and the distance between the top end surface of the breaking hammer and the bottom surface of the inner side of the concave channel (201) is H2; a blanking hopper (5) is arranged at the bottom end of the crushing material channel (2), and the blanking hopper (5) is communicated with a blanking opening formed in the concave channel (201); the steering of the driving rotating shaft (7) is as follows: from the blanking hopper (5) towards the feed bin (1);

the driving rotary drum (3) is provided with a blanking guide (9) between the breaking hammers (4) and the side wall of the breaking material channel (2); the blanking guide (9) between the breaking hammers (4) is a first blanking guide (901), and the blanking guide (9) between the breaking hammers (4) and the side wall of the breaking material channel (2) is a second blanking guide (902); the first blanking guide (901) is provided with two triangular ball guide surfaces which are respectively from the driving rotary drum (3) to the inward concave channels (201) on two sides, and the second blanking guide (902) is provided with one triangular ball guide surface which is from the driving rotary drum (3) to the inward concave channels (201).

2. The walnut crushing system for oil squeezing according to claim 1, wherein the outer edge of the driving rotary drum (3) is provided with a breaking hammer slot (303), and at least 2 fixing bolt threaded holes (304) communicated with all breaking hammer slots (303) are arranged on the disc surface of the driving rotary drum (3) at the positions of the breaking hammer slots (303); the breaking hammer (4) is provided with a fixing threaded hole at a position corresponding to the fixing bolt threaded hole (304), and the fixing bolt (8) sequentially penetrates through the fixing bolt threaded hole (304) and the fixing threaded hole to fix the breaking hammer (4) inserted into the breaking hammer slot (303).

3. The walnut crushing system for pressed oil according to claim 1, wherein the driving drum (3) is rotatably connected with the side wall of the crushing material channel (2) through a closed bearing (301); the outer side wall of the crushing material channel (2) is provided with a leakage-proof cover (302) which is used for wrapping the sealed bearing (301) at the sealed bearing (301);

one end of the driving rotating shaft (7) is fixed with a driving wheel (701), and the other end of the crushing material channel (2) is provided with a rotating base (702); the driving rotating shaft (7) is rotationally connected with the rotating base (702).

4. The walnut crushing system for the pressed oil according to claim 1, wherein meshes with 20-28cm apertures are densely arranged on the net surface of the material control net (6) in a matrix, and the speed of the driving rotating shaft (7) is 120r/min.

5. The walnut crushing system for oil pressing according to claim 4, wherein smooth inserting sheets (601) are arranged on two sides of the material control net (6); the inserting piece (601) is inserted into a movable slot (101) formed in the inner side wall of the feeding barrel (1), and a driving piece (602) extending to the outside of the feeding barrel (1) is arranged; the driving piece (602) is fixed with the telescopic end of the electric control telescopic device (603).

6. The walnut crushing system for pressed oil according to claim 1, wherein the top end surface of the channel side wall (202) is a curved surface, and the curved surface gradually and smoothly transits from h1=3-4 cm at the material inlet to h1=8-12 mm at the outlet of the crushing hammer (4) along the rotation direction of the driving rotary drum (3).

7. The walnut crushing system for oil pressing according to claim 1, characterized in that one of the 2 crushing hammers (4) is provided with a 60 ° inclined chamfer at the hammer tip on the side facing the direction of rotation; the chamfer area is 2 times of the area of the top end of the hammer, and H2=10-12 mm; the other breaking hammer (4) is provided with an arc surface at the top end along the rotation direction, and H2=1-3 mm.