CN112940846A - Concentric coaxial double-screw oil press - Google Patents
Concentric coaxial double-screw oil press Download PDFInfo
- Publication number
- CN112940846A CN112940846A CN202110390363.0A CN202110390363A CN112940846A CN 112940846 A CN112940846 A CN 112940846A CN 202110390363 A CN202110390363 A CN 202110390363A CN 112940846 A CN112940846 A CN 112940846A
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- Prior art keywords
- pressing
- oil
- oil press
- supporting
- cage
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/06—Production of fats or fatty oils from raw materials by pressing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/30—Feeding material to presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/32—Discharging presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
- B30B9/127—Feed means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
- B30B9/16—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing operating with two or more screws or worms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
The invention discloses a concentric coaxial double-screw oil press, which comprises a pressing cage arranged on a support and used for pressing materials, wherein two pressing screws are arranged in the pressing cage in parallel through a main shaft respectively; two supporting shafts which are coaxial with the two main shafts respectively are arranged in the cake correcting box in parallel from top to bottom, the end parts of the main shafts are connected with one ends of the supporting shafts through threads, and the other ends of the supporting shafts are erected on a back plate extending out of the cake correcting box through aligning roller bearings. The end part of the main shaft is lengthened, and the concentric coaxial rotation between the main shaft and the supporting shaft can be kept by combining the improvement of the base, so that the residual oil rate in cakes and the wear rate of a machine are reduced.
Description
Technical Field
The invention relates to the technical field of oil presses, in particular to a concentric coaxial double-screw oil press.
Background
The oil presses in the existing market are divided into single-screw oil presses and double-screw oil presses, the single-screw oil presses are installed in a pressing cage to squeeze materials, and the single-screw oil presses are dual-purpose machines for continuous screw pressing and pre-pressing and are suitable for processing vegetable oil seeds containing more grease, for example: peanut kernel, cotton seed kernel, rapeseed, sunflower seed kernel, corn germ and the like.
The double-screw oil press realizes the pressing of oil materials by installing two pressing screws in the same pressing cage, is not only suitable for pressing oil materials steamed and fried at high temperature, but also suitable for pressing oil materials which are not steamed and fried at normal temperature, and is also suitable for pressing oil materials at low temperature; it is especially suitable for normal temperature and low temperature squeezing of vegetable oil after dehulling or dehulling. The double-helix oil press has high oil yield and is widely applied.
However, the existing double-screw oil press has the following problems in the process of pressing oil: 1) one end of each of the two main pressing screw shafts is connected with a gear shaft of the gear box, the other end of each main shaft is suspended, and the main shafts have certain lengths, so that the suspended ends of the main shafts can generate radial centrifugal irregular rotation in the rotating process of the main shafts, the front ends and the rear ends of the main shafts are not concentric, oil pressing is easy to be stopped, and the residual oil rate in cakes is high; 2) although some double-screw oil presses's press spiral main shaft supports through the pivot at the tail end, because its base all is formed by the channel-section steel welding, the channel-section steel is out of shape at production and welded in-process easily, and the straightness that hangs down of channel-section steel is not good and fitting surface is not processed from top to bottom in addition, and the plane deviation that leads to by welding deformation is great, can't guarantee the axiality of main shaft. The impact and the friction between the pressing screw and the pressing cage are easy to occur, the disassembly and assembly difficulty is high, the gear box and other accessories are easy to damage, even the shaft is broken, and the service life of the oil press is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a concentric coaxial double-screw oil press which is convenient to install, so that the residual oil rate in cakes is reduced, the oil pressing efficiency of the oil press is improved, and the service life of the oil press is prolonged.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
A concentric coaxial double-screw oil press comprises a pressing cage which is arranged on a support and used for pressing materials, wherein two pressing screws are arranged in the pressing cage in parallel through a main shaft respectively, one side of the pressing cage is provided with a gear box connected with the main shaft, the side end of the gear box is connected with a pressing screw motor through a reducer, a feeding mechanism used for feeding is arranged above the pressing cage, the other side of the pressing cage is provided with a cake correcting box, a base used for supporting the oil press is arranged below the pressing cage, and a slag discharging mechanism used for discharging oil and oil residues is arranged in the base; two supporting shafts which are coaxial with the two main shafts respectively are arranged in the cake correcting box in parallel from top to bottom, the end parts of the main shafts are connected with one ends of the supporting shafts through threads, and the other ends of the supporting shafts are erected on a back plate extending out of the cake correcting box through aligning roller bearings.
In the concentric coaxial double-screw oil press, the cake correcting box is internally provided with a cake correcting head and a sliding beam which slides back and forth along the inner wall of the cake correcting box, and a back plate of the cake correcting box is provided with an adjusting screw rod for adjusting the position of the cake correcting head; the cake correcting head is connected with the sliding beam through a positioning shifting fork, and the other end of the sliding beam is connected to the adjusting screw.
The concentric coaxial double-screw oil press is characterized in that a back plate of the cake checking box positioned at the end part of the main shaft is buckled with a rear cover for protection.
Above-mentioned concentric coaxial double helix oil press, the gear box is the biax gear box.
Above-mentioned concentric coaxial double helix oil press, the base includes that the vertical welding is in the curb plate that bottom plate both sides size is the same, and the fixed backup pad that is provided with a plurality of pieces and is used for press cage, reduction case and gear box in top of curb plate, and the below of bottom plate is provided with the footing of being convenient for support the base.
In the concentric coaxial double-screw oil press, the bottom end faces of the speed reducer case, the gear box and the support for mounting the pressing cage are respectively provided with a concentric square positioning key groove, the top end face of each supporting plate is respectively provided with a square positioning hole corresponding to the positioning key groove, and the positioning holes and the positioning key grooves are combined into a concentric strip square hole.
The concentric coaxial double-screw oil press is characterized in that a triangular plate used for enhancing the supporting strength is arranged on the bottom plate positioned in the middle of the side plate.
Above-mentioned concentric coaxial double helix oil press, feed mechanism includes the horizontal auger that the level set up, and the one end of horizontal auger is provided with the first feed motor of drive horizontal auger pivoted, and the other end of horizontal auger is connected with perpendicular auger, and the top of perpendicular auger is provided with second feed motor, and the bottom of perpendicular auger is connected on the feed inlet of pressing cage, and the top of horizontal auger is provided with the feeder hopper that is used for the feeding.
Above-mentioned concentric coaxial double helix oil press, slag discharging mechanism is used for the sediment auger of arranging oil and dregs of fat exhaust including setting up in the base of pressing cage below, is located to be provided with the dregs of fat export on the base at sediment auger middle part.
Due to the adoption of the technical scheme, the technical progress of the invention is as follows.
The end part of the main shaft is lengthened, and the concentric coaxial rotation between the main shaft and the supporting shaft can be kept by combining the improvement of the base, so that the residual oil rate in cakes is reduced, and the wear rate of a machine is reduced; the oil press is installed through the locating hole when the base is installed, the installation precision and the installation efficiency are improved, the concentric coaxiality of the main shaft is guaranteed, and the service life of the oil press is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a base according to the present invention;
FIG. 3 is a schematic structural diagram of a cake checking box according to the present invention;
FIG. 4 is a longitudinal cross-sectional view of a school cake box according to the present invention;
FIG. 5 is a transverse cross-sectional view of a school cake box according to the present invention;
FIG. 6 is a schematic view of the installation structure of the cake correcting box and the squeezer;
wherein: 1. the automatic cake-removing machine comprises a screw squeezing motor, a speed reducer, a gear box, a pressing cage, a main shaft, a supporting shaft, a cake correcting box, a back plate, a thrust ball bearing, a base, a side plate, a positioning hole, a supporting plate, a triangular plate, a bottom foot, a slag discharging mechanism, an oil residue outlet, a first feeding motor, a horizontal packing auger, a feeding hopper, a vertical packing auger, a second feeding motor, a belt, a third feeding motor and a third feeding motor, wherein the screw squeezing motor is 2, the speed reducer is 3, the gear box is 4, the pressing cage is 41, the main shaft is 42, the supporting shaft is 5, the cake correcting box is 51, the adjusting screw rod is 52, the sliding cross beam is 53.
Detailed Description
The invention will be described in further detail below with reference to the figures and specific examples.
The concentric coaxial double-helix oil press is shown in figures 1-6 and comprises a screw motor 1, a reducer 2, a gear box 3, a pressing cage 4, a cake correcting box 5, a base 6, a slag discharging mechanism 7 and a feeding mechanism. The pressing cage 4 is arranged on the bracket, and the feeding mechanism is arranged above the three-way pressing cage and used for feeding; the gear box 3 is arranged at one side of the pressing cage 4, the pressing screw motor 1 drives the speed reducer 2 to rotate through the belt 14, the speed reducer 2 is connected to the gear box 3, and two vertically parallel spiral main shafts are driven through the gear box to press oil; the cake correcting box 5 is arranged at the other side of the pressing cage and is used for correcting cakes, and the base 6 is arranged below the pressing cage and is used for supporting the oil press; the slag discharging mechanism 7 is arranged in the base below the squeezing cage and is used for discharging oil and oil residue.
Two main shafts of the pressing screw are arranged in parallel in the pressing cage 4 and are respectively connected to the gear box 3 through the main shaft 41, two support shafts 42 are arranged in parallel up and down in the cake correcting box and are respectively coaxial with the two main shafts, the end part of the main shaft 41 is connected with one end of each support shaft 42 through threads, the other end of each support shaft 42 is erected on a back plate 57 extending out of the cake correcting box 5 through a self-aligning roller bearing 55, and the end part of each support shaft 42 is supported by the back plate 57 to avoid suspension of the main shafts. When the main shaft rotates, drive the back shaft and rotate, the back shaft passes through self-aligning roller bearing 55 and rotates, can avoid machine wear and tear, has improved the oil yield of oil press, has reduced the residual oil in the cake, can also prevent simultaneously that the gear box from damaging, has improved the life of oil press.
A back cover 56 is buckled on a back plate 57 of the cake correcting box 5 positioned at the end part of the main shaft 41, so that the protection effect is achieved, and dust can be prevented from entering the cake correcting box to influence the oil outlet quality.
A cake correcting head 54 and a sliding beam 52 are arranged in the cake correcting box 5, the sliding beam 52 slides back and forth along the inner wall of the cake correcting box 5, an adjusting screw 51 is arranged on a back plate 57 of the cake correcting box 5 and used for adjusting the position of the cake correcting head, the cake correcting head 54 is connected with the sliding beam through a positioning shifting fork 53, the positioning shifting fork is of a Z-shaped structure, one end of the Z-shaped positioning shifting fork is connected to the inner side of the sliding beam, the other end of the Z-shaped positioning shifting fork is hooked in a ring groove formed in the outer wall of the cake correcting head, the other end of the sliding beam is connected to the adjusting screw, when the sliding beam moves back and forth, the cake correcting head is driven to move back and forth, the cake correcting head 54 is positioned at the outlet end of a pressing screw, the end part of the cake correcting head is of a slope-shaped structure. When the adjusting screw rod is rotated, the sliding beam is driven to move back and forth in the cake correcting box, the sliding beam drives the cake correcting head to move back and forth through the positioning shifting fork, and the thickness of the cake discharged is adjusted through the depth of the cake correcting head extending into the cake correcting disc.
The sliding cross beam 52 is provided with a thrust ball bearing 58 at the joint with the support shafts 42, and the two support shafts 42 rotate through the thrust ball bearing respectively, so that the abrasion of the machine can be avoided, and the service life of the machine is prolonged.
Feeding mechanism sets up the top at the press cage, including the horizontal auger 10 of level setting and the perpendicular auger 12 of perpendicular setting, the one end of horizontal auger 10 is provided with first feed motor 9, be used for driving horizontal auger and rotate, the other end at horizontal auger is connected to perpendicular auger, the bottom of perpendicular auger is connected on the feed inlet of press cage, the top of perpendicular auger sets up second feed motor 13, be used for driving perpendicular auger and rotate, the top of horizontal auger is provided with feeder hopper 11, be used for adding the oil.
After the oil enters from the feed hopper, the first feeding motor drives the horizontal packing auger to convey the oil into the vertical packing auger, and the second feeding motor drives the vertical packing auger to convey the oil into the squeezing cage to be squeezed, so that the oil can uniformly enter the squeezing cage, the oil is prevented from being piled at the feed inlet of the squeezing cage, the oil is squeezed more uniformly, and the residual oil rate in cakes is reduced.
The gear box 3 is a double-shaft gear box and is respectively connected with two main shafts in the squeezing cage 4, and the squeezing screw motor 1 drives the gear box 3 to rotate after being decelerated by the speed reducer 2, so that the two squeezing screws in the squeezing cage 4 are driven to rotate, and oil is squeezed.
The base 6 comprises side plates 61 vertically welded on two sides of the bottom plate, the two side plates are the same in size, a plurality of supporting plates 63 are fixedly arranged above the two side plates 61 and used for supporting a squeezing cage, a speed reducer case and a gear box, and bottom feet 65 are respectively arranged on two sides of the bottom plate and used for supporting the base, so that the base is convenient to move and install. Because two side plates are the same in size, through welded fastening back, carry out machining, can guarantee the roughness of base top backup pad to guaranteed the concentric coaxial design requirement between oil press main shaft and the back shaft, make the work that the oil press can be smooth-going, avoided the emergence of disconnected axle, damage phenomena such as gear box.
A concentric square positioning key groove is respectively arranged on the bottom end surfaces of the speed reducer case, the gear case and the support for installing the squeezing cage 4, a square positioning hole 62 is respectively arranged on the top end surface of each supporting plate, and the positioning holes 62 and the positioning key grooves are combined into a concentric strip square hole for positioning. When the base is installed, a positioning rod is inserted into the positioning key grooves in the speed reducer case, the gear box and the support for installing the squeezing cage, the positioning hole in the base corresponds to the lower part of the squeezing cage, the oil residue outlet 8 in the base corresponds to the middle part of the residue discharging mechanism at the moment, and after the installation is completed, the positioning rod can be taken down.
In order to enhance the supporting strength of the base 6, a triangular plate 64 is arranged on the bottom plate in the middle of the side plate, so that the effect of a reinforcing rib is achieved, and the stability of the oil press is enhanced.
The deslagging mechanism 7 is internally provided with a deslagging auger which is positioned in the base below the squeezing cage, the base 6 in the middle of the deslagging auger is provided with an oil residue outlet 8, and the helical blades on the deslagging auger positioned at the two sides of the oil residue outlet are oppositely arranged, so that the oil residue falling into the deslagging mechanism is collected to the oil residue outlet and is discharged through the oil residue outlet. The residue discharge auger shaft is connected to the main shaft of the screw press through a chain wheel and a chain, and when the main shaft of the screw press rotates, the residue discharge auger shaft is driven to rotate, and the residue discharge auger discharges oil residues on two sides through the residue outlet 8 in the middle.
When oil is pressed, the pressed oil enters through the feed hopper, the barrel is fed through the feeding mechanism, the oil flows to the oil flowing groove through the pressing strip gaps on the pressing cage after the material enters the barrel and is repeatedly extruded by the double-screw pressing screw in the barrel, oil and a small amount of oil residue are collected in the oil flowing groove and discharged from the oil residue outlet, the extruded cake rotates through the cake correcting head, the cake is extruded in a tile shape and is discharged from the bottom of the cake correcting box, and the whole oil pressing process is finished.
Claims (9)
1. A concentric coaxial double-helix oil press comprises a pressing cage (4) which is arranged on a support and used for pressing materials, wherein two pressing screws are arranged in the pressing cage (4) in parallel through a main shaft (41), a gear box (3) connected with the main shaft is arranged on one side of the pressing cage (4), the side end of the gear box is connected with a pressing screw motor (1) through a speed reducer (2), a feeding mechanism used for feeding is arranged above the pressing cage (4), a cake correcting box (5) is arranged on the other side of the pressing cage (4), a base (6) used for supporting the oil press is arranged below the pressing cage (4), and a slag discharging mechanism (7) used for discharging oil and oil residues is arranged in the base; the method is characterized in that: two supporting shafts (42) which are respectively coaxial with the two main shafts are arranged in the cake correcting box (5) in parallel up and down, the end part of each main shaft (41) is connected with one end of each supporting shaft (42) through threads, and the other end of each supporting shaft (42) is erected on a back plate (57) extending out of the cake correcting box through a self-aligning roller bearing (55).
2. The concentric coaxial twin screw oil press of claim 1, wherein: a cake correcting head (54) and a sliding beam (52) sliding back and forth along the inner wall of the cake correcting box are arranged in the cake correcting box (5), and an adjusting screw rod (51) for adjusting the position of the cake correcting head is arranged on the back plate of the cake correcting box (5); the cake correcting head (54) is connected with the sliding beam (52) through a positioning shifting fork (53), and the other end of the sliding beam (52) is connected to the adjusting screw rod (51).
3. The concentric coaxial twin screw oil press of claim 2, wherein: and a rear cover (56) for protection is buckled on the back plate of the cake correcting box positioned at the end part of the main shaft (41).
4. The concentric coaxial twin screw oil press of claim 1, wherein: the gear box (3) is a double-shaft gear box.
5. The concentric coaxial twin screw oil press of claim 1, wherein: the base (6) comprises side plates (61) which are vertically welded on two sides of the bottom plate and have the same size, a plurality of supporting plates (63) used for supporting the squeezing cage, the speed reducer case and the gear box are fixedly arranged above the side plates (61), and bottom feet (65) convenient for supporting the base are arranged below the bottom plate.
6. The concentric coaxial twin screw oil press of claim 5, wherein: the bottom end surfaces of the speed reducer case, the gear case and the support for installing the squeezing cage are respectively provided with a concentric square positioning key groove, the top end surface of each supporting plate (63) is respectively provided with a square positioning hole (62) corresponding to the positioning key groove, and the positioning holes (62) and the positioning key grooves are combined into a concentric strip square hole.
7. The concentric coaxial twin screw oil press of claim 5, wherein: and a triangular plate (64) used for enhancing the supporting strength is arranged on the bottom plate positioned in the middle of the side plate (61).
8. The concentric coaxial twin screw oil press of claim 1, wherein: the feeding mechanism comprises a horizontal packing auger (10) horizontally arranged, one end of the horizontal packing auger is provided with a first feeding motor (9) for driving the horizontal packing auger to rotate, the other end of the horizontal packing auger is connected with a vertical packing auger (12), the top end of the vertical packing auger is provided with a second feeding motor (13), the bottom end of the vertical packing auger is connected to a feeding port of a squeezing cage (4), and a feeding hopper (11) for feeding is arranged above the horizontal packing auger.
9. The concentric coaxial twin screw oil press of claim 1, wherein: the slag discharging mechanism (7) comprises a slag discharging auger arranged in a base below the squeezing cage (4) and used for discharging oil and oil slag, and an oil slag outlet (8) is arranged on a base (6) in the middle of the slag discharging auger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110390363.0A CN112940846A (en) | 2021-04-12 | 2021-04-12 | Concentric coaxial double-screw oil press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110390363.0A CN112940846A (en) | 2021-04-12 | 2021-04-12 | Concentric coaxial double-screw oil press |
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| Publication Number | Publication Date |
|---|---|
| CN112940846A true CN112940846A (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110390363.0A Withdrawn CN112940846A (en) | 2021-04-12 | 2021-04-12 | Concentric coaxial double-screw oil press |
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| Country | Link |
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| CN (1) | CN112940846A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023116950A3 (en) * | 2023-04-24 | 2023-09-21 | 六安市金兄弟粮油贸易有限公司 | Full-automatic oil pressing device |
-
2021
- 2021-04-12 CN CN202110390363.0A patent/CN112940846A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023116950A3 (en) * | 2023-04-24 | 2023-09-21 | 六安市金兄弟粮油贸易有限公司 | Full-automatic oil pressing device |
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Application publication date: 20210611 |
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| WW01 | Invention patent application withdrawn after publication |