阅读说明：本技术 一种扁核木提取物的高效提取工艺 (Efficient extraction process of nucleus pulposus extract ) 是由 陈宁生 于 2021-09-13 设计创作，主要内容包括：本发明公开了一种扁核木提取物的高效提取工艺,属于植物提取领域,通过对现有扁核木压榨工艺进行改进,有效提高油脂的提取效率,通过在现有立式压榨机的一侧增设侧压榨板,利用侧压榨板和上压榨板在竖向和水平方向上的配合来实现对料渣的双向挤压,有效提高料渣的出油率,通过在侧压榨板的侧壁设置收油管,让其在压榨时深入料渣的内部,利用负压原理将压榨出的油脂吸收起来,不仅有效降低油脂在料渣中残存率,而且有效提高了出油速度,另外通过在侧压榨板内部设置收油器,利用收油器的选择吸收特性来收集油脂,可避免提取物中混合残渣,省去了后续过滤工序。(The invention discloses a high-efficiency extraction process of an extract of nucleus pulposus, belonging to the field of plant extraction, the extraction efficiency of grease is effectively improved by improving the prior flat core wood squeezing process, the two-way squeezing of the material slag is realized by adding the side squeezing plate on one side of the prior vertical squeezer and utilizing the matching of the side squeezing plate and the upper squeezing plate in the vertical direction and the horizontal direction, the oil yield of the material slag is effectively improved, the oil collecting pipe is arranged on the side wall of the side pressing plate, so that the oil collecting pipe is deep into the material slag during pressing, the pressed grease is absorbed by utilizing the negative pressure principle, the residual rate of the grease in the material slag is effectively reduced, in addition, the oil collector is arranged in the side pressing plate, and the oil is collected by utilizing the selective absorption characteristic of the oil collector, so that mixed residues in the extract can be avoided, and the subsequent filtering process is omitted.)

1. An efficient extraction process of an extract of drumstick tree comprises the following extraction steps:

s1, firstly, putting the cleaned seeds of the flat nuclear wood into a frying pan to remove water, frying the seeds to be half-cooked, and then pouring the seeds into a crusher;

s2, crushing the seeds by using a crusher to prepare material slag, and then carrying out heat treatment;

s3, placing the processed material slag into a two-way presser for pressing;

the two-way squeezer in the S3 step includes base (1), first hydraulic press (2) is installed to the upper end of base (1), and the lower extreme fixedly connected with of first hydraulic press (2) goes up stripper plate (3), base (1) is located under stripper plate (3) fixedly connected with oil extraction seat (4), and one side of oil extraction seat (4) has seted up the opening, base (1) just is to second hydraulic press (5) of fixedly connected with in position department of oil extraction seat (4) open-ended, and the output fixedly connected with side stripper plate (6) of second hydraulic press (5), negative pressure machine (7) are installed to the lower extreme of base (1), and negative pressure machine (7) communicate through the back of oil pipe with side stripper plate (6).

2. The efficient extraction process of the extract of the nucleus pulposus as claimed in claim 1, wherein the efficient extraction process comprises the following steps: side expression board (6) are including planking (601) of below and inner panel (602) of top, the inside of locating planking (601) is inserted in inner panel (602), and the two sliding connection, planking (601) have oil recovery pipe (603) towards the lateral wall intercommunication of oil extraction seat (4), and the lateral wall of oil recovery pipe (603) is inlayed and is had a plurality of oil penetration pieces (6031), inner wall sliding connection that planking (601) are located oil recovery pipe (603) below has oil recovery ware (8), and oil recovery ware (8) run through the lateral wall of planking (601) and rather than magnetism inhale the connection.

3. The efficient extraction process of the extract of the nucleus pulposus as claimed in claim 2, wherein the efficient extraction process comprises the following steps: the oil collector is characterized in that a plurality of collecting grooves (801) are formed in the side wall of the upper end of the oil collector (8) at equal intervals, an elastic filtering membrane (802) is fixedly connected to the upper end of each collecting groove (801), and an oil absorption belt (803) extending into each collecting groove (801) is embedded in the inner wall of the oil collector (8).

4. The efficient extraction process of the extract of the nucleus pulposus as claimed in claim 3, wherein the efficient extraction process comprises the following steps: the elastic filtering membrane (802) is made of a high-elasticity material, and the oil absorption belt (803) is made of a selective absorption resin material.

5. The efficient extraction process of the extract of the nucleus pulposus as claimed in claim 2, wherein the efficient extraction process comprises the following steps: the upper end side wall of the inner plate (602) is fixedly connected with a plurality of sealing sliding strips (6021), and the lower end side wall of the upper squeezing plate (3) is provided with a slideway (301) matched with the sealing sliding strips (6021).

6. The efficient extraction process of the extract of the nucleus pulposus as claimed in claim 5, wherein the efficient extraction process comprises the following steps: an opening cavity is formed in the upper end of the sealing slide bar (6021), a lubricating coating edge (6022) is fixedly connected to the upper end of the opening cavity, and an elastic supporting net (6023) is fixedly connected between the lubricating coating edge (6022) and the inner wall of the lower end of the opening cavity.

7. The efficient extraction process of the extract of the nucleus pulposus as claimed in claim 6, wherein the efficient extraction process comprises the following steps: the lubricating coated edge (6022) is made of soft friction-resistant material, and the elastic supporting net (6023) is made of high-elasticity material.

8. The efficient extraction process of the extract of the nucleus pulposus as claimed in claim 2, wherein the efficient extraction process comprises the following steps: the inner wall of the outer plate (601) above the oil collecting pipe (603) is fixedly connected with a partition plate (6011), and the lower end of the inner plate (602) is connected with the partition plate (6011) through a spring.

9. The efficient extraction process of the extract of the nucleus pulposus as claimed in claim 2, wherein the efficient extraction process comprises the following steps: the oil collecting pipe (603) is made of high-strength pressure-resistant materials, a plurality of penetration holes are formed in the oil penetrating piece (6031), and a filter screen is fixedly connected to each penetration hole.

10. The efficient extraction process of the extract of the nucleus pulposus as claimed in claim 2, wherein the efficient extraction process comprises the following steps: the upper pressing plate (3), the oil pressing base (4) and the side pressing plate (6) are equal in width, and the area of the upper pressing plate (3) is equal to that of the oil pressing base (4).

Technical Field

The invention relates to the field of plant extraction, and in particular relates to an efficient extraction process of a nucleus pulposus extract.

Background

The semen Prinsepiae is shrub of genus Prinsepia of family Rosaceae, and has a height of 5 m; branch thorns grow upward, small winter buds are oval or long round, long round or oval blades are in a needle shape, the tips of the blades are sharp or tapered, the upper middle pulse is sunken, and the lower middle pulse and the lateral pulse are protruded; the petiole is unhaired. Most flowers form a general inflorescence, and the general pedicel and the pedicel have brown short and soft hair and gradually fall off; the small bract is in the shape of a needle, the sepal is in the shape of a cup, the sepal is semicircular or wide oval, the edge of the sepal is provided with teeth, the petal is white, the sepal is wide and inverted oval, the flower disc is disc-shaped, and the color is purple red; the stone fruit is long round or inverted egg is long round, and the fruit stalk has no hair. Flowering in 4-5 months and bearing fruit in 8-9 months.

The seeds of the flat nuclear wood are rich in oil, the oil yield is about 30 percent generally, the oil is dark brown yellow, clear and transparent, and white like lard oil after solidification. Can be used for making soap and lighting. The tender tip can be used as vegetable, and can be used for treating carbuncle, cellulitis, toxic sore, toothache due to pathogenic wind-fire, snake bite, fracture, gunshot wound, etc.

Most of the existing methods for extracting the amygdalus communis oil are hot rolling methods, but the existing hot rolling process adopts a one-way vertical squeezer, so that more oil remains in the material slag, the extraction efficiency of the oil is lower, the slag content of the squeezed oil is high, a complicated filtering procedure is additionally added, the cost is improved, and the production efficiency is reduced.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide an efficient extraction process of a flat core wood extract, which improves the existing flat core wood pressing process to effectively improve the extraction efficiency of grease, a side pressing plate is additionally arranged on one side of an existing vertical press, the two-way extrusion of material slag is realized by utilizing the matching of the side pressing plate and an upper pressing plate in the vertical direction and the horizontal direction, the oil yield of the material slag is effectively improved, an oil collecting pipe is arranged on the side wall of the side pressing plate to be deep into the material slag during pressing, the pressed grease is absorbed by utilizing the negative pressure principle, the residual rate of the grease in the material slag is effectively reduced, the oil yield speed is effectively improved, an oil collector is arranged in the side pressing plate, the grease is collected by utilizing the selective absorption characteristic of the oil collector, and the mixed residue in the extract can be avoided, the subsequent filtering process is omitted.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

An efficient extraction process of an extract of drumstick tree comprises the following extraction steps:

s1, firstly, putting the cleaned seeds of the flat nuclear wood into a frying pan to remove water, frying the seeds to be half-cooked, and then pouring the seeds into a crusher;

s2, crushing the seeds by using a crusher to prepare material slag, and then carrying out heat treatment;

s3, placing the processed material slag into a two-way presser for pressing;

the two-way squeezer in the S3 step includes the base, hydraulic press I is installed to the upper end of base, and the lower extreme fixedly connected with of hydraulic press I goes up the stripper plate, the base is located the stripper plate under fixedly connected with seat that extracts oil, and one side of seat that extracts oil has seted up the opening, the base is just to the fixedly connected with hydraulic press second of seat open-ended position department that extracts oil, and the output fixedly connected with side stripper plate of hydraulic press second, negative-pressure machine is installed to the lower extreme of base, and negative-pressure machine passes through the back intercommunication of oil pipe and side stripper plate.

Further, the side expression board includes the planking of below and the inner panel of top, the inner panel is inserted and is located the inside of planking, and the two sliding connection, goes up the expression board and presses in the top of side expression board, can promote the side expression board and move forward when hydraulic press two starts, the lateral wall intercommunication of planking towards the oil press seat has oil recovery pipe, and oil recovery pipe stretches the inside of feeding sediment, can high-efficiently collect inside grease, and oil recovery pipe's lateral wall inlays and has a plurality of oil penetrating members, the inner wall sliding connection that the planking is located oil recovery pipe below has the oil recovery ware, and the residue is filtered to the in-process that the oil recovery ware absorbed the grease, has saved follow-up filtration technology, and the oil recovery ware runs through the lateral wall of planking and rather than magnetism is connected, is convenient like this and dismantles the oil recovery ware and clear up.

Further, the collecting vat that a plurality of equidistant settings were seted up to the upper end lateral wall of oil receiver, and the upper end fixedly connected with elasticity filtration membrane of collecting vat, the inner wall of oil receiver is inlayed and is had the oil absorption area that extends to in the collecting vat, and elasticity filtration membrane is in the concave yield collecting vat under the effect of negative pressure, and the dregs of containing grease that absorb out from the material sediment falls on elasticity filtration membrane, and elasticity filtration membrane filters in advance in order to hold the residue of big granule, and the grease is absorbed by the oil absorption area and drips under the effect of negative pressure, and the residue can be held back completely in the oil absorption area at this in-process, plays high-efficient filtering action.

Further, elasticity filtration membrane adopts high elastic material, and elasticity filtration membrane is in the recessed collecting vat under the negative pressure effect, but the back kick-backs after the negative pressure disappears to the both sides are dialled to the residue that will filter down, can not hinder elasticity filtration membrane's filtration like this, the oil absorption area adopts the selective absorption resin material.

Further, the upper end lateral wall fixedly connected with of inner panel has a plurality of sealed draw runner, and goes up the lower extreme lateral wall of squeezer and offer with sealed draw runner assorted slide, when last squeezer pushes down the top of side squeezer, sealed draw runner and slide closely laminate, can prevent to squeeze in-process grease and reveal away.

Furthermore, an opening cavity is formed in the upper end of the sealing slide bar, a lubricating coating edge is fixedly connected to the upper end of the opening cavity, an elastic supporting net is fixedly connected between the lubricating coating edge and the inner wall of the lower end of the opening cavity and between the lubricating coating edge and the inner wall of the lower end of the opening cavity, and the elasticity of the elastic supporting net can ensure the sealing performance between the lubricating coating edge and the inner wall of the lower end of the opening cavity.

Furthermore, the lubricating coating edge is made of soft friction-resistant materials so as to reduce abrasion and avoid generating gaps, and the elastic supporting net is made of high-elasticity materials so that the lubricating coating edge can be always tightly attached to the slide way.

Furthermore, the inner wall fixedly connected with baffle that the planking is located oil receiving pipe top, the leakproofness of planking below has been realized to the baffle, and the lower extreme of inner panel passes through the spring to be connected with the baffle, and the spring is in order to let the inner panel can reset.

Furthermore, receive oil pipe and adopt high strength withstand voltage material, avoid the in-process of squeezing to receive oil pipe by the buckling, a plurality of infiltration holes have been seted up on the oil penetrating piece, during the grease passed through the infiltration hole and is absorbed into receiving oil pipe, and equal fixedly connected with filter screen on every infiltration hole plays filterable effect in advance.

Furthermore, go up the stripper plate, the width that extracts oil seat and side stripper plate equals, and the area of going up the stripper plate equals with the area that extracts oil the seat, is in order to ensure that the great gap of not appearing in the process of squeezing to avoid causing the seepage of dregs of fat.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) according to the scheme, the existing flat core wood squeezing process is improved, the extraction efficiency of oil is effectively improved, the side squeezing plate is additionally arranged on one side of the existing vertical squeezer, the two-way squeezing of the material slag is realized by the cooperation of the side squeezing plate and the upper squeezing plate in the vertical direction and the horizontal direction, the oil outlet rate of the material slag is effectively improved, the oil collecting pipe is arranged on the side wall of the side squeezing plate and is deep into the material slag when squeezing, the squeezed oil is absorbed by utilizing the negative pressure principle, the residual rate of the oil in the material slag is effectively reduced, the oil outlet speed is effectively improved, an oil collector is arranged inside the side squeezing plate, the oil is collected by utilizing the selective absorption characteristic of the oil collector, mixed residues in an extract can be avoided, and the subsequent filtering process is omitted.

(2) The side expression board includes the planking of below and the inner panel of top, the inside of locating the planking is inserted to the inner panel, and the two sliding connection, it presses the top at the side expression board to go up the expression board, can promote the side expression board when hydraulic press two starts and move forward, the lateral wall intercommunication of planking towards the oil press seat has oil recovery pipe, oil recovery pipe stretches the inside of feeding sediment, can high-efficiently collect inside grease, and oil recovery pipe's lateral wall inlays and has a plurality of oil penetrating pieces, the inner wall sliding connection that the planking is located oil recovery pipe below has the oil collector, the in-process filtration of oil collector absorption grease filters the residue, follow-up filtration technology has been saved, and the oil collector runs through the lateral wall of planking and is connected rather than magnetism, be convenient for dismantling the oil collector and clear up like this.

(3) Receive the collecting vat that a plurality of equidistant settings were seted up to the upper end lateral wall of oil ware, and the upper end fixedly connected with elasticity filtration membrane of collecting vat, the inner wall of oil ware is inlayed and is had the oil absorption area that extends to in the collecting vat, elasticity filtration membrane is in the concave yield collecting vat under the effect of negative pressure, the dregs of fat that absorb out from the material sediment falls on elasticity filtration membrane, elasticity filtration membrane filters in advance in order to hold back the residue of big granule, the grease is absorbed by the oil absorption area and is dripped under the effect of negative pressure, the residue can be held back completely in this in-process oil absorption area, play high-efficient filtering action.

(4) The elastic filtering membrane is made of a high-elasticity material, the elastic filtering membrane is recessed into the collecting tank under the action of negative pressure, and the elastic filtering membrane can rebound after the negative pressure disappears, so that filtered residues are pushed to two sides, the filtering of the elastic filtering membrane cannot be hindered, and the oil absorption belt is made of a selective absorption resin material.

(5) The upper end lateral wall fixedly connected with of inner panel has a plurality of sealed draw runner, and go up the lower extreme lateral wall of squeezer and offer with sealed draw runner assorted slide, when last squeezer pushes down the top of side squeezer, sealed draw runner and slide closely laminate, can prevent to squeeze the in-process grease and reveal away.

(6) An opening cavity is formed in the upper end of the sealing slide bar, a lubricating coating edge is fixedly connected to the upper end of the opening cavity, an elastic supporting net is fixedly connected between the lubricating coating edge and the inner wall of the lower end of the opening cavity and between the lubricating coating edge and the inner wall of the lower end of the opening cavity, and the elasticity of the elastic supporting net can ensure the sealing performance between the lubricating coating edge and the inner wall of the lower end of the opening cavity.

(7) The lubricating coating edge is made of soft friction-resistant materials so as to reduce abrasion and avoid generating gaps, and the elastic supporting net is made of high-elasticity materials so that the lubricating coating edge can be always tightly attached to the slide way.

(8) The inner wall fixedly connected with baffle that the planking is located oil receiving pipe top, the leakproofness of planking below has been realized to the baffle, and the lower extreme of inner panel passes through the spring to be connected with the baffle, and the spring is in order to let the inner panel can reset.

(9) Receive oil pipe and adopt high strength pressure resistant material, the in-process of avoiding squeezing receives oil pipe and is buckled by the pressure, has seted up a plurality of permeability holes on the oil-permeable piece, and during the grease passed through the permeability hole and is absorbed in receiving oil pipe, and equal fixedly connected with filter screen on every permeability hole played filterable effect in advance.

(10) The widths of the upper pressing plate, the oil pressing base and the side pressing plate are equal, and the area of the upper pressing plate is equal to that of the oil pressing base, so that a large gap is not formed in the pressing process, and the material residue is prevented from leaking.

Drawings

FIG. 1 is a schematic process flow diagram of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic diagram comparing the state before and after pressing according to the present invention;

FIG. 5 is a perspective view of a side press plate of the present invention;

FIG. 6 is a schematic cross-sectional view of a side press plate of the present invention;

FIG. 7 is a schematic diagram comparing before and after oil discharge of the oil collector according to the present invention;

FIG. 8 is a schematic cross-sectional view of a seal slide of the present invention;

FIG. 9 is a perspective view of the upper millboard of the present invention;

fig. 10 is a perspective view of the oil pressing base of the present invention.

The reference numbers in the figures illustrate:

the device comprises a base 1, a first hydraulic machine 2, an upper pressing plate 3, a 301 slideway, a 4 oil squeezing seat, a second hydraulic machine 5, a side pressing plate 6, an outer plate 601, a clapboard 6011, an inner plate 602, a 6021 sealing slide strip, a 6022 lubricating coating edge, a 6023 elastic supporting net, an oil collecting pipe 603, an oil penetrating part 6031, a negative pressure machine 7, an oil collector 8, a collecting tank 801, an elastic filtering membrane 802 and an oil absorbing belt 803.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element 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.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1, a high-efficiency extraction process of an extract of prunus humilis bunge includes the following extraction steps:

s1, firstly, putting the cleaned seeds of the flat nuclear wood into a frying pan to remove water, frying the seeds to be half-cooked, and then pouring the seeds into a crusher;

s2, crushing the seeds by using a crusher to prepare material slag, and then carrying out heat treatment;

s3, placing the processed material slag into a two-way presser for pressing;

referring to fig. 2-4, the bidirectional squeezing machine in the step S3 includes a base 1, a first hydraulic machine 2 (prior art) is installed at the upper end of the base 1, and an upper squeezing plate 3 is fixedly connected to the lower end of the first hydraulic machine 2, referring to fig. 10, the base 1 is fixedly connected to an oil squeezing seat 4 under the upper squeezing plate 3, and one side of the oil squeezing seat 4 is opened, a second hydraulic machine 5 (prior art) is fixedly connected to the position where the base 1 faces the opening of the oil squeezing seat 4, and a side squeezing plate 6 is fixedly connected to the output end of the second hydraulic machine 5, a negative pressure machine 7 (prior art) is installed at the lower end of the base 1, and the negative pressure machine 7 is communicated with the back of the side squeezing plate 6 through an oil pipe, the widths of the upper squeezing plate 3, the oil squeezing seat 4 and the side squeezing plate 6 are equal, and the area of the upper squeezing plate 3 is equal to the area of the oil squeezing seat 4, so as to ensure that no large gap is generated in the squeezing process, so as to avoid the seepage of the slag;

referring to fig. 5, 6 and 9, the side press plate 6 includes an outer plate 601 at the lower part and an inner plate 602 at the upper part, the upper end side wall of the inner plate 602 is fixedly connected with a plurality of sealing slide bars 6021, and the lower end side wall of the upper press plate 3 is provided with a slideway 301 matched with the sealing slide bars 6021, when the upper press plate 3 is pressed down to the upper part of the side press plate 6, the sealing slide bars 6021 are tightly attached to the slideway 301 to prevent grease leakage during pressing, the upper end of the sealing slide bars 6021 is provided with an open cavity, the upper end of the open cavity is fixedly connected with a lubricating coated edge 6022, an elastic support net 6023 is fixedly connected between the inner wall of the lower end of the lubricating coated edge 6022 and the inner wall of the lower end of the open cavity, the elasticity of the elastic support net 6023 can ensure the sealing performance therebetween, the lubricating coated edge 6022 is made of a soft friction-resistant material (which is a technique known by those skilled in the art and can be selected according to actual needs), in order to reduce abrasion and avoid generating gaps, the elastic supporting net 6023 is made of a high-elasticity material (an elastic polyurethane material can be selected preferentially, and other materials can be selected according to actual requirements), the lubricating coated edge 6022 can be always tightly attached to the slide way 301, the inner plate 602 is inserted into the outer plate 601 and is in sliding connection with the outer plate 601, the upper pressing plate 3 is pressed above the side pressing plate 6, the side pressing plate 6 can be pushed to move forwards when the second hydraulic machine 5 is started, the side wall of the outer plate 601 facing the oil pressing seat 4 is communicated with an oil collecting pipe 603, the oil collecting pipe 603 extends into the interior of feed residues, internal grease can be collected efficiently, and the side wall of the oil collecting pipe 603 is embedded with a plurality of oil-permeable pieces 6031;

referring to fig. 8, a partition 6011 is fixedly connected to an inner wall of the outer plate 601 above the oil collecting pipe 603, the partition 6011 achieves sealing performance below the outer plate 601, a lower end of the inner plate 602 is connected to the partition 6011 through a spring, the spring is for enabling the inner plate 602 to reset, the oil collecting pipe 603 is made of a high-strength pressure-resistant material (which is known to those skilled in the art and can be selected according to actual requirements), the oil collecting pipe 603 is prevented from being bent in a squeezing process, a plurality of penetration holes are formed in an oil penetrating member 6031, grease is sucked into the oil collecting pipe 603 through the penetration holes, and each penetration hole is fixedly connected with a filter screen to perform a pre-filtering function;

referring to fig. 7, an oil collector 8 is slidably connected to an inner wall of an outer plate 601 below an oil collecting pipe 603, the oil collector 8 filters residues during oil absorption, and a subsequent filtering process is omitted, and the oil collector 8 penetrates through a side wall of the outer plate 601 and is magnetically connected with the outer plate, so as to facilitate the removal and cleaning of the oil collector 8, a plurality of collecting tanks 801 are disposed at equal intervals on the side wall of the upper end of the oil collector 8, an elastic filtering membrane 802 is fixedly connected to the upper end of the collecting tanks 801, an oil absorbing belt 803 extending into the collecting tanks 801 is embedded in the inner wall of the oil collector 8, the elastic filtering membrane 802 sinks into the collecting tanks 801 under the action of negative pressure, the oil containing residues sucked from the residues falls onto the elastic filtering membrane 802, the elastic filtering membrane 802 is pre-filtered to retain large-particle residues, the oil is absorbed by the oil absorbing belt 803 and drops under the action of negative pressure, and the oil absorbing belt 803 can completely retain the residues during the process, the high-efficiency filtering function is achieved, the elastic filtering membrane 802 is made of a high-elasticity material (the technology is well known by the technicians in the field and can be selected according to actual requirements), the elastic filtering membrane 802 is recessed into the collecting tank 801 under the action of negative pressure, the negative pressure can rebound after disappearing, so that filtered residues are pushed to two sides, the filtering of the elastic filtering membrane 802 cannot be obstructed, and the oil absorption belt 803 is made of a selective absorption resin material (the technology is well known by the technicians in the field and can be selected according to actual requirements).

The existing flat core wood squeezing process is improved, the extraction efficiency of oil is effectively improved, the side squeezing plate 6 is additionally arranged on one side of the existing vertical squeezer, the two-way squeezing of the material slag is realized by the cooperation of the side squeezing plate 6 and the upper squeezing plate 3 in the vertical direction and the horizontal direction, the oil outlet rate of the material slag is effectively improved, the oil receiving pipe 603 is arranged on the side wall of the side squeezing plate 6 and is made to penetrate into the material slag when squeezing, the squeezed oil is absorbed by using the negative pressure principle, the residual rate of the oil in the material slag is effectively reduced, the oil outlet speed is effectively improved, the oil receiving device 8 is arranged inside the side squeezing plate 6, the oil is collected by using the selective absorption characteristic of the oil receiving device 8, the mixed residue in an extract can be avoided, and the subsequent filtering process is omitted.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.