CN113481053A

CN113481053A - Oil residue cake pressing device capable of avoiding blockage of filter screen port

Info

Publication number: CN113481053A
Application number: CN202110980486.XA
Authority: CN
Inventors: 周启芳; 蔡军; 曾香梅; 丁铁梅
Original assignee: Hunan Jinzhu Oil Co ltd
Current assignee: Hunan Jinzhu Oil Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2021-10-08

Abstract

The invention relates to the technical field of edible oil processing, and discloses an oil residue cake pressing device capable of avoiding blockage of a filter screen opening. This avoid dregs of fat pressure cake device of filter screen mouth jam, through first filter screen and second filter screen multiple layer filtration crude oil, rotate under the bent lever group, the reciprocating extrusion suction of cock body is fixed a section of thick bamboo air column, prevent that the outer impurity of second filter screen from blockking up, reciprocate the in-process at the cock body, the screw thread that the apical axis periphery was seted up is spacing to make the sleeve drive the bull stick rotate to dial except that first filter screen surface piles up impurity, along with the compression degree aggravation, the pressure grow of pressure disk extrusion oil, based on the mutual nature of effect of power, the telescopic link stretches out at the opening of oil cake surface gradually, make the oil cake be convenient for broken.

Description

Oil residue cake pressing device capable of avoiding blockage of filter screen port

Technical Field

The invention relates to the technical field of edible oil processing, in particular to an oil residue cake pressing device capable of avoiding blockage of a filter screen opening.

Background

Edible oil is used in the process of making food, animal or vegetable oil is used, the processing method of the edible oil is divided into a squeezing method and a leaching method, and the leaching method has the problem of chemical agent residue, so the squeezing method still generally exists, the existing oilseeds or oil residues are used for compressing raw materials through a hydraulic cylinder in the squeezing process, and then crude oil is obtained, but more impurities exist in the crude oil, a filter screen is extremely easy to block during filtering, the processing progress is influenced, the existing equipment can obtain the clearer crude oil only through multiple times of filtering, the filtering efficiency is reduced, meanwhile, in the cake pressing process, as the surface of a pressure plate is flat, the structure in the compressed oil cake is very compact, and the influence on the subsequent oil cake taking, oil cake crushing and crude oil seepage in the squeezing process is extremely large.

In order to solve the problems, the inventor provides an oil residue cake pressing device for avoiding the blockage of a filter screen opening, the oil residue cake pressing device for avoiding the blockage of the filter screen opening filters crude oil in a multi-layer mode through a first filter screen and a second filter screen, a plug body is used for extruding and sucking an air column in a fixed cylinder in a reciprocating mode under the rotation of a crank set to prevent impurities outside the second filter screen from being blocked, in the process that the plug body moves up and down, threads arranged on the periphery of a top shaft are limited, so that a sleeve drives a rotating rod to rotate to remove the accumulated impurities on the surface of the first filter screen, along with the aggravation of the compression degree, the pressure of oil material extruded by a pressure plate is increased, and based on the interaction of force action, a telescopic rod gradually extends out of an opening in the surface of an oil cake to enable the oil cake to be convenient to break.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the oil residue cake pressing device for avoiding the blockage of the filter screen opening, which has the advantages of avoiding the blockage of the screen opening by combining multi-layer filtering and suction and forming holes on the surface of an oil cake based on pressure change, and solves the problems that crude oil impurities are more and easily block the filter screen, and the surface of the oil cake is flat and is not beneficial to the escape of oil.

In order to realize the purposes of avoiding the blockage of a net opening and forming holes on the surface of the oil cake based on pressure change by combining the multilayer filtration with the suction, the invention provides the following technical scheme: the utility model provides an avoid dregs of fat pressure cake device of filter screen mouth jam, includes filtering mechanism, filtering mechanism includes the inner tube, the fixed first filter screen that has connect in top of inner tube, the top center of inner tube is rotated and is connected with the bull stick, the bottom fixedly connected with sleeve of bull stick, telescopic inside swing joint has the apical axis, the bottom fixedly connected with cock body of apical axis, the solid fixed cylinder of middle part fixedly connected with of inner tube, the peripheral fixedly connected with second filter screen of solid fixed cylinder, the bottom of inner tube is rotated and is connected with the bent lever group.

Preferably, the inside cavity of inner tube, the radius of bull stick is less than the radius of inner tube, bull stick and sleeve are in same rotation axis center, the mesh size of first filter screen is greater than the mesh size of second filter screen, rotates through the bull stick and dials first filter screen surface adsorption impurity.

Preferably, telescopic bottom inner wall fixedly connected with lug, the external screw thread has been seted up to the periphery of apical axis, the outside of cock body and the inner wall looks adaptation of solid fixed cylinder, the top swing joint of curved bar group has the cock body, and the curved bar group comprises curved bar and articulated connecting rod, the opening has been seted up to the bottom of solid fixed cylinder, makes the cock body push at solid fixed cylinder internal circulation through the rotation of curved bar group.

Preferably, the cake pressing mechanism comprises a pressing plate, a plunger cylinder is movably connected inside the pressing plate, a telescopic rod is fixedly connected to the lower surface of the plunger cylinder, a first spring is elastically connected to the periphery of the bottom of the plunger cylinder, a sliding groove is formed in the lower surface of the pressing plate, and a hydraulic rod is fixedly connected to the top of the plunger cylinder.

Preferably, the outer wall of plunger jar with the inside looks adaptation of pressure disk, the inside cavity of pressure disk, telescopic link swing joint is in the inside of spout, the bottom at the pressure disk is evenly seted up to the spout, the hydraulic stem is connected with external hydraulic component transmission, drives pressure disk to oil surface through the hydraulic stem, and it is inside to stretch out to insert the oil cake to receive the pressure effect telescopic link.

Preferably, still include a jar body, the bottom fixedly connected with landing leg of the jar body, the bottom fixedly connected with motor of the jar body, the inside center of the jar body is provided with filtering mechanism, the top of the jar body is provided with the pressure cake mechanism, the inside of the jar body is adorned and is waited to press the raw materials.

Preferably, the inside cavity of the jar body, the output transmission of motor is connected with the bent lever group, the bottom center of the jar body is provided with the inner tube, the pressure disk sets up in jar body top, the inner wall of pressure disk and the outer wall looks adaptation of inner tube.

Advantageous effects

Compared with the prior art, the invention provides the oil residue pressing cake device for avoiding the blockage of the filter screen port, and the oil residue pressing cake device has the following beneficial effects:

1. this avoid oil residue pressure cake device of filter screen mouth jam, the first filter screen of top fixedly connected with through the inner tube, treat the crude oil extrusion back, to the internal injection water of jar, crude oil density is less than water, receive buoyancy, the inner tube is covered gradually to the crude oil liquid level, crude oil filters the inflow inner tube via first filter screen, rotate under the bent lever group, the inside air column of stationary canister is inhaled in the reciprocal extrusion of cock body, make the outer deposit crude oil of stationary canister filter the inflow via the second filter screen, through flowing out by stationary canister bottom opening, reciprocate the in-process at the cock body, the screw thread that the apical axis periphery was seted up is spacing to make the sleeve drive the bull stick and rotate and dial first filter screen surface and pile up impurity, thereby reach the effect that the multilayer filtration combines the suction, avoid filter screen mouth jam.

2. This avoid oil cake device of filter screen mouth jam, inside swing joint through the pressure disk has the plunger cylinder, when the raw materials is waited to press in the compression, the hydraulic stem at first moves down and drives pressure disk compression oil, along with waiting to press raw materials compression degree aggravation, the pressure grow of pressure disk extrusion oil, based on the mutual nature of effect of power, the last thrust that the pressure disk received increases, the pressure disk shifts up but the plunger cylinder continues to keep moving down, make the telescopic link stretch out gradually at oil cake surface opening, crude oil oozes in the oil cake with higher speed, when the hydraulic stem shifts up to reset, receive a spring elastic force effect, pressure disk and plunger cylinder move backward and make the telescopic link take in, avoid the oil cake to remain, thereby reach the effect based on pressure variation at oil cake surface trompil, improve crude oil seepage rate, and make the oil cake be convenient for broken.

Drawings

FIG. 1 is a schematic view of the outer appearance of the inner cylinder of the present invention;

FIG. 2 is a cross-sectional view of the inner barrel construction of the present invention;

FIG. 3 is a cross-sectional view of the mechanism for pressing cake of the present invention;

FIG. 4 is a cross-sectional view of the present invention;

FIG. 5 is a schematic view of the structure and operation of the present invention;

FIG. 6 is an enlarged view of the filter mechanism of FIG. 4 in accordance with the present invention;

FIG. 7 is an enlarged view of the filter mechanism of FIG. 5 according to the present invention.

In the figure: 1. a tank body; 2. a support leg; 3. a motor; 4. a filtering mechanism; 41. an inner barrel; 42. a first filter screen; 43. a rotating rod; 44. a sleeve; 45. a top shaft; 46. a plug body; 47. a fixed cylinder; 48. a second filter screen; 49. a set of curved bars; 5. a cake pressing mechanism; 51. a platen; 52. a plunger cylinder; 53. a telescopic rod; 54. a first spring; 55. a chute; 56. a hydraulic lever; 6. and (5) pressing the raw materials.

Detailed Description

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

The first embodiment is as follows:

referring to fig. 1, 2, 4, 5, 6 and 7, an oil residue cake pressing device for avoiding the blockage of a filter screen opening comprises a filter mechanism 4, the filter mechanism 4 comprises an inner cylinder 41, a first filter screen 42 is fixedly connected to the top of the inner cylinder 41, a rotating rod 43 is rotatably connected to the center of the top of the inner cylinder 41, a sleeve 44 is fixedly connected to the bottom of the rotating rod 43, a top shaft 45 is movably connected to the inside of the sleeve 44, a plug body 46 is fixedly connected to the bottom end of the top shaft 45, a fixed cylinder 47 is fixedly connected to the middle of the inner cylinder 41, a second filter screen 48 is fixedly connected to the periphery of the fixed cylinder 47, a crank set 49 is rotatably connected to the bottom of the inner cylinder 41, the inner cylinder 41 is hollow, the radius of the rotating rod 43 is smaller than that of the inner cylinder 41, the rotating rod 43 and the sleeve 44 are located on the same rotating axis, the mesh size of the first filter screen 42 is larger than that of the second filter screen 48, a bump is fixedly connected to the inner wall of the bottom of the sleeve 44, external screw thread has been seted up to apical axis 45's periphery, the outside of cock body 46 and fixed cylinder 47's inner wall looks adaptation, the top swing joint of bent lever group 49 has cock body 46, bent lever group 49 comprises bent lever and articulated connecting rod, the opening has been seted up to fixed cylinder 47's bottom, rotate through bent lever group 49, make the inside air column of the reciprocal suction fixed cylinder 47 of cock body 46, when second filter screen 48 is outer when blockking up, cock body 46 extrusion makes the outside blowout plug of air column, reciprocate the in-process at cock body 46, sleeve 44 drives bull stick 43 during the spacing of apical axis 45 external screw and rotates and dial first filter screen 42 surface and pile up impurity, and cooperate first filter screen 42 and second filter screen 48's filtering action, reach the effect that the multilayer filtration combines the suction, avoid filter screen mouth to block up.

Example two:

referring to fig. 3-5, an oil residue cake pressing device for preventing a filter screen port from being blocked further comprises a cake pressing mechanism 5, the cake pressing mechanism 5 comprises a pressure plate 51, a plunger cylinder 52 is movably connected inside the pressure plate 51, a telescopic rod 53 is fixedly connected to the lower surface of the plunger cylinder 52, a first spring 54 is elastically connected to the periphery of the bottom of the plunger cylinder 52, a sliding groove 55 is formed in the lower surface of the pressure plate 51, a hydraulic rod 56 is fixedly connected to the top of the plunger cylinder 52, the outer wall of the plunger cylinder 52 is matched with the inside of the pressure plate 51, the pressure plate 51 is hollow inside, the telescopic rod 53 is movably connected inside the sliding groove 55, the sliding groove 55 is uniformly formed in the bottom of the pressure plate 51, the hydraulic rod 56 is in transmission connection with an external hydraulic component, the pressure plate 51 is driven to the surface of oil through the hydraulic rod 56, the pressure plate 51 is pressed against the pressure plate 51 under the action of pressure, the telescopic rod 53 extends out and is inserted into an opening in the oil cake, the crude oil on the surface of the oil cake is accelerated to seep out, and meanwhile, the surface of the oil cake is crushed to facilitate the oil cake to be taken out, so that the effect of forming holes on the surface of the oil cake based on pressure change is achieved.

Example three:

referring to fig. 1-7, an oil residue cake pressing device for avoiding the blockage of a filter screen port further comprises a tank body 1, a supporting leg 2 is fixedly connected to the bottom end of the tank body 1, a motor 3 is fixedly connected to the bottom of the tank body 1, a filter mechanism 4 is arranged at the center inside the tank body 1, the filter mechanism 4 comprises an inner cylinder 41, a first filter screen 42 is fixedly connected to the top of the inner cylinder 41, a rotating rod 43 is rotatably connected to the center of the top of the inner cylinder 41, a sleeve 44 is fixedly connected to the bottom of the rotating rod 43, a top shaft 45 is movably connected to the inside of the sleeve 44, a plug body 46 is fixedly connected to the bottom end of the top shaft 45, a fixed cylinder 47 is fixedly connected to the middle of the inner cylinder 41, a second filter screen 48 is fixedly connected to the periphery of the fixed cylinder 47, a crank set 49 is rotatably connected to the bottom of the inner cylinder 41, the inside of the inner cylinder 41 is hollow, the radius of the rotating rod 43 is smaller than that of the inner cylinder 41, and the rotating rod 43 and the sleeve 44 are located at the same rotating axis, the mesh size of the first filter screen 42 is larger than that of the second filter screen 48, the bottom inner wall of the sleeve 44 is fixedly connected with a convex block, the periphery of the top shaft 45 is provided with external threads, the outer part of the plug body 46 is matched with the inner wall of the fixed cylinder 47, the top of the curved rod group 49 is movably connected with the plug body 46, the curved rod group 49 consists of a curved rod and a hinged connecting rod, the bottom of the fixed cylinder 47 is provided with a through hole, the upper part of the tank body 1 is provided with a cake pressing mechanism 5, the cake pressing mechanism 5 comprises a pressure plate 51, the inner part of the pressure plate 51 is movably connected with a plunger cylinder 52, the lower surface of the plunger cylinder 52 is fixedly connected with a telescopic rod 53, the periphery of the bottom of the plunger cylinder 52 is elastically connected with a first spring 54, the lower surface of the pressure plate 51 is provided with a sliding groove 55, the top of the plunger cylinder 52 is fixedly connected with a hydraulic rod 56, the outer wall of the plunger cylinder 52 is matched with the inner part of the pressure plate 51, the inner part of the pressure plate 51 is hollow, the telescopic rod 53 is movably connected inside the sliding groove 55, the chutes 55 are uniformly arranged at the bottom of the pressure plate 51, the hydraulic rod 56 is in transmission connection with an external hydraulic component, the raw material 6 to be pressed is arranged in the tank body 1, the tank body 1 is hollow, the output end of the motor 3 is in transmission connection with the crank set 49, the inner cylinder 41 is arranged at the center of the bottom of the tank body 1, the pressure plate 51 is arranged above the tank body 1, the inner wall of the pressure plate 51 is matched with the outer wall of the inner cylinder 41, the plug body 46 is made to reciprocally suck the air column in the fixed cylinder 47 through the rotation of the crank set 49, when the second filter screen 48 is blocked, the plug body 46 is extruded to make the air column outwards spray the blockage, in the up-and-down moving process of the plug body 46, the sleeve 44 drives the rotating rod 43 to rotate to remove the accumulated impurities on the surface of the first filter screen 42 when the top shaft 45 is limited by the external thread, and the filtering action of the first filter screen 42 and the second filter screen 48 is matched, the effect of combining multi-layer filtering and sucking is achieved, and the blockage of the filter screen opening is avoided, the pressure cake in-process drives pressure disk 51 to the oil surface through hydraulic stem 56, and based on the mutual nature of effect of power, support pressure disk 51 on the oil cake, telescopic link 53 stretches out under the pressure effect and inserts the inside trompil of oil cake, and oil cake surface crude oil oozes with higher speed, and broken oil cake surface makes the oil cake be convenient for take out simultaneously, reaches the effect based on pressure variation at oil cake surface trompil.

The working process and principle are as follows: before pressing a cake by using a squeezing method, a raw material 6 to be pressed is put into a tank body 1, a pressure plate 51 is arranged above the tank body 1, a plunger cylinder 52 is movably connected inside the pressure plate 51, a hydraulic rod 56 is fixedly connected to the top of the plunger cylinder 52, the hydraulic rod 56 is in transmission connection with an external hydraulic component, the hydraulic rod 56 gradually moves downwards when the hydraulic component is started, at the moment, the hydraulic rod 56 drives the pressure plate 51 to move downwards to contact the surface of the raw material 6 to be pressed and gradually increase pressure compression, the pressure of the oil extruded by the pressure plate 51 is increased along with the increase of the compression degree of the raw material 6 to be pressed, the upward thrust force borne by the pressure plate 51 is increased based on the interaction of force effect, the pressure plate 51 is forced to move upwards, but the plunger cylinder 52 is driven by the hydraulic rod 56 to continuously move downwards, the pressure plate 51 and the plunger cylinder 52 move towards each other, so that a telescopic rod 53 gradually extends downwards, the surface of the oil cake is opened, and the seepage of crude oil in the oil cake is accelerated, after hydraulic stem 56 pressure cake, when hydraulic stem 56 shifts up to reset, receive spring 54 elasticity effect, pressure disk 51 and plunger cylinder 52 move dorsad and make telescopic link 53 take in, avoid the dregs of fat to remain, reach the effect based on pressure change at the trompil of oil cake surface, improve crude oil leaching rate, and make the oil cake be convenient for broken.

After the crude oil is pressed out, the crude oil in the tank body 1 is filtered at the moment, a water body is injected into the tank body 1, the density of the crude oil is smaller than that of water, under the action of buoyancy, the liquid level of the crude oil gradually covers the inner cylinder 41, the crude oil flows to one side of the inner cylinder 41 which is lower than the liquid level at the moment, the crude oil is filtered by the first filter screen 42, flows into the inner cylinder 41 and gradually accumulates between the fixed cylinder 47 and the inner cylinder 41, because the bottom of the inner cylinder 41 is rotatably connected with the crank set 49, the crank set 49 is in transmission connection with the output end of the motor 3, meanwhile, the top of the crank set 49 is movably connected with the plug 46, under the rotation of the crank set 49, the plug 46 circularly and reciprocally extrudes and sucks an air column in the fixed cylinder 47, when the plug 46 pushes up the air column, impurities blocked at the surface of the filter opening of the second filter screen 48 are ejected under the action of air pressure, when the plug 46 moves downwards to suck the air column, the crude oil deposited outside the second filter screen 48 flows into the fixed cylinder 47 and is sucked into the fixed cylinder 47, at last from the outflow of fixed section of thick bamboo 47 bottom opening, because cock body 46's top fixedly connected with apical axis 45, the external screw thread has been seted up to apical axis 45's periphery, apical axis 45's peripheral swing joint has sleeve 44, sleeve 44 is coaxial with bull stick 43 simultaneously, reciprocate the in-process at cock body 46, the screw thread that apical axis 45 periphery was seted up is spacing to make sleeve 44 drive bull stick 43 rotate and dial and remove first filter screen 42 surface and pile up impurity, reach the effect that the multilayer filtration combines the suction, avoid the filter screen mouth to block up.

To sum up, this avoid dregs of fat cake device of filter screen mouth jam, first filter screen 42 of top fixedly connected with through inner tube 41, treat the crude oil extrusion back, to the inside water that pours into of jar body 1, crude oil density is less than water, receive buoyancy effect, inner tube 41 is covered gradually to the crude oil liquid level, crude oil filters inflow inner tube 41 via first filter screen 42, rotate under bent lever group 49, the stopper body 46 reciprocates the inside air column of extrusion suction fixed cylinder 47, make fixed cylinder 47 outer deposit crude oil filter the inflow via second filter screen 48, through flowing out by fixed cylinder 47 bottom opening, reciprocate the in-process at stopper body 46, the screw thread that apical axis 45 periphery was seted up is spacing to make sleeve 44 drive bull stick 43 rotate and dial except that first filter screen 42 surface pile up impurity, thereby reach the effect that multilayer filters and combines the suction, avoid the jam of filter screen mouth.

And, this avoid oil cake device of filter screen mouth jam, there is plunger cylinder 52 through the inside swing joint of pressure disk 51, when raw materials 6 are waited to compress, hydraulic stem 56 moves down at first and drives pressure disk 51 compression oil, along with waiting to press the aggravation of raw materials 6 compression degree, the pressure grow of pressure disk 51 extrusion oil, based on the effect of the force reciprocity, the last thrust that pressure disk 51 received increases, pressure disk 51 moves up but plunger cylinder 52 continues to keep moving down, make telescopic link 53 stretch out at oil cake surface opening gradually, the crude oil exudation in the oil cake accelerates, when hydraulic stem 56 shifts up the reset, receive spring 54 elastic force effect, pressure disk 51 and plunger cylinder 52 move back and make telescopic link 53 take in, avoid the oil cake to remain, thereby reach the effect based on pressure variation is trompil on oil cake surface, improve crude oil exudation rate, and make the oil cake be convenient for breakage.

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

Claims

1. The utility model provides an avoid oil residue press cake device of filter screen mouth jam, includes filter mechanism (4), its characterized in that: filtering mechanism (4) include inner tube (41), the fixed first filter screen (42) that has connect in top of inner tube (41), the top center of inner tube (41) is rotated and is connected with bull stick (43), the bottom fixedly connected with sleeve (44) of bull stick (43), the inside swing joint of sleeve (44) has apical axis (45), the bottom fixedly connected with cock body (46) of apical axis (45), the fixed section of thick bamboo (47) of middle part fixedly connected with of inner tube (41), the peripheral fixedly connected with second filter screen (48) of fixed section of thick bamboo (47), the bottom of inner tube (41) is rotated and is connected with bent lever group (49).

2. The oil residue cake pressing device for avoiding the blockage of the filter screen port as claimed in claim 1, wherein: the inside cavity of inner tube (41), the radius of bull stick (43) is less than the radius of inner tube (41), bull stick (43) and sleeve (44) are in same rotation axis center, the mesh size of first filter screen (42) is greater than the mesh size of second filter screen (48).

3. The oil residue cake pressing device for avoiding the blockage of the filter screen port as claimed in claim 1, wherein: the bottom inner wall fixedly connected with lug of sleeve (44), the external screw thread has been seted up to the periphery of apical axis (45), the outside of cock body (46) and the inner wall looks adaptation of solid fixed cylinder (47), the top swing joint of curved bar group (49) has cock body (46), and curved bar group (49) comprise curved bar and articulated connecting rod, the opening has been seted up to the bottom of solid fixed cylinder (47).

4. The oil residue cake pressing device for avoiding the blockage of the filter screen port as claimed in claim 1, wherein: the cake pressing mechanism comprises a pressing plate (51), a plunger cylinder (52) is movably connected inside the pressing plate (51), a telescopic rod (53) is fixedly connected to the lower surface of the plunger cylinder (52), a first spring (54) is elastically connected to the periphery of the bottom of the plunger cylinder (52), a sliding groove (55) is formed in the lower surface of the pressing plate (51), and a hydraulic rod (56) is fixedly connected to the top of the plunger cylinder (52).

5. The oil residue cake pressing device for avoiding the blockage of the filter screen port as claimed in claim 4, wherein: the outer wall of the plunger cylinder (52) is matched with the interior of the pressure plate (51), the interior of the pressure plate (51) is hollow, the telescopic rod (53) is movably connected to the interior of the sliding groove (55), the sliding groove (55) is uniformly formed in the bottom of the pressure plate (51), and the hydraulic rod (56) is in transmission connection with an external hydraulic component.

6. The oil residue cake pressing device for avoiding the blockage of the filter screen port as claimed in claim 1, wherein: still including a jar body (1), the bottom fixedly connected with landing leg (2) of the jar body (1), the bottom fixedly connected with motor (3) of the jar body (1), the inside center of the jar body (1) is provided with filter mechanism (4), the top of the jar body (1) is provided with pressure cake mechanism (5), the inside dress of the jar body (1) remains to press raw materials (6).

7. The oil residue cake pressing device for avoiding the blockage of the filter screen port as claimed in claim 6, wherein: the inside cavity of the jar body (1), the output transmission of motor (3) is connected with curved bar group (49), the bottom center of the jar body (1) is provided with inner tube (41), pressure disk (51) set up in jar body (1) top, the inner wall of pressure disk (51) and the outer wall looks adaptation of inner tube (41).