CN108215283B - Combined oil press with strip-row and round-row - Google Patents
Combined oil press with strip-row and round-row Download PDFInfo
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- CN108215283B CN108215283B CN201710919277.8A CN201710919277A CN108215283B CN 108215283 B CN108215283 B CN 108215283B CN 201710919277 A CN201710919277 A CN 201710919277A CN 108215283 B CN108215283 B CN 108215283B
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- 238000003825 pressing Methods 0.000 claims description 69
- 239000002893 slag Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000010079 rubber tapping Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 171
- 235000012970 cakes Nutrition 0.000 description 21
- 235000014571 nuts Nutrition 0.000 description 13
- 238000010438 heat treatment Methods 0.000 description 11
- 239000002994 raw material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000008157 edible vegetable oil Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 235000017060 Arachis glabrata Nutrition 0.000 description 1
- 241001553178 Arachis glabrata Species 0.000 description 1
- 235000010777 Arachis hypogaea Nutrition 0.000 description 1
- 235000018262 Arachis monticola Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 235000021463 dry cake Nutrition 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
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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
- B30B9/121—Screw constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
-
- 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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- 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
Landscapes
- 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)
- Fats And Perfumes (AREA)
Abstract
The utility model provides a strip is arranged and is arranged combination oil press, includes the bottom plate, installs gear box assembly, frame respectively about the bottom plate both ends top, the feed inlet is connected on the gear box assembly right side, and feed inlet top installation hopper assembly, and the press cage assembly is connected to the feed inlet right-hand member, and press cage assembly right-hand member reconnection frame installs the main shaft in frame and press cage assembly and the gear box assembly and presses the spiral shell assembly, through carrying out reasonable combination with strip row and round row, improves oil press main shaft rotational speed to 80~135 revolutions per minute by a wide margin to improve oil yield and output, practice thrift manufacturing cost.
Description
Technical Field
The invention relates to an oil press, in particular to a strip-row round-row combined oil press.
Background
With the continuous improvement of the living standard of people, the medium-temperature pressed edible oil is favored by people. In the prior art, the medium-temperature pressed edible oil is generally pressed by a screw oil press. The middle-temperature pressing spiral oil press on the existing market generally comprises two types, namely a circular row type spiral oil press, and the oil press is generally composed of a base, a frame, a spiral shaft, a pressing cage, a pressing bar, a circular row (or a pressing ring), a feeding hopper (a nozzle), a gearbox and the like, wherein the circular row is one of core components forming the pressing chamber of the oil press, and directly influences the oil product, the oil yield and the residual oil rate of a dried cake of the oil press. The circular row is composed of inner teeth on the inner peripheral wall of the circular row main body and an oil outlet groove on one side of the main body, and the inner teeth, the pressing chamber wall and the pressing screw are mutually matched to form a pressing area, oil is pressed out through repeated pressing of oil, but the pressure of the inner chamber of the oil press often does not meet the requirement of one-time pressing due to the structural distribution of the existing circular row (including an inner hole), the rotating speed of a pressing shaft, the length of a pressing chamber and other factors, the pressing force is insufficient in the pressing process, so that the oil pressing raw material is required to be repeatedly pressed until the oil in the oil pressing raw material is pressed out, the oil yield of the circular row machine in the prior art is low, the residual oil yield of a dry cake is high, the rotating speed is low, an oil way is easy to block, the raw material yield is low, the color difference of the pressed raw material oil has high acid value, and the cake is easy to overflow (slag running), and the waste is serious. The other is a strip-type spiral oil press. The squeezing part of the traditional strip-type oil press is usually composed of a strip and a plurality of squeezing screws (the squeezing chamber is composed of a plurality of strips), the strip is easy to wear, the service life is short, the oil yield of raw squeezing raw materials is low, the oil quality of cooked squeezing raw materials is poor, the oil is turbid, the raw materials are not clear, and the slag is much, so that the strip-type oil press is hard wound.
Therefore, in the prior art oil presses, neither oil press can effectively meet the needs of various consumer groups. However, in the prior art, there are several compound barrel oil presses with both circular and strip structures, so in the prior art, if middle-temperature pressing is performed, two to three times of pressing is performed on oil, or two oil presses are adopted, one is pressed for the first time, and then the oil is put into the other oil press for the second time, so that the oil yield is improved, and thus, the working procedure is complicated, the labor cost is high, more than one time of electric energy is consumed, and the oil production efficiency of the oil press is seriously affected.
Chinese patent CN201776924U describes a four-stage squeezing oil press, which comprises a pressing cage, a pressing screw, an oil-discharging bar row, a first low-pressure circular row and a second low-pressure circular row, wherein the first low-pressure circular row is composed of 4 pressing rings, the second low-pressure circular row is composed of 5 pressing rings, the third low-pressure circular row is composed of 4 pressing rings, and the fourth low-pressure circular row is composed of 4 pressing rings. According to the technical scheme, the four-stage oil squeezing device is characterized in that the second and third high-pressure squeezing screws, the second and third high-pressure circular rows, the third and fourth low-pressure circular rows and the third and fourth low-pressure circular rows are additionally arranged, so that squeezing space is changed into four squeezing areas, oil is squeezed through the four squeezing areas, two-stage squeezing steps are additionally arranged, oil cakes are squeezed completely once after being squeezed out of the cake outlet, the oil yield is high, and the oil squeezing device is a machine type with a good oil squeezing effect in a circular exhauster. However, the problem of abrasion of the round-row machine parts is remarkable, the requirement on the squeezing force in the squeezing chamber is high, the requirement on the cascading screw connection precision is high, the number of round rows is large, and the coaxial difficulty is high. When the speed of the pressing shaft is unstable, the potential safety hazard is large, the requirement on the precision of the parts is high, and the material cost of the oil press is greatly increased.
Chinese patent CN2521032Y describes a planetary screw oil press, a cake discharging ring and a cake discharging head are installed between a hood and an adjusting device, a 1 strip row collar and 19 parallel element rows are installed in the inner cavity of the hood, and 8 press screws are installed on a main shaft. According to the oil press, 1 strip-row lantern rings are additionally arranged in front of 19 round rows, oil flows out from an element oil drain groove in a machine cover under the friction extrusion action of press screws and element rows, cake is formed into a sheet shape, and cake rings are discharged from a right support and cake discharge head gaps are discharged. The oil press is actually a circular-row spiral oil press, has the advantages of simple appearance, simple internal structure, low oil yield and poor oil quality, and belongs to a model eliminated in the existing market.
The Chinese patent NC201604302U describes a compound barrel oil press, which consists of an electric control cabinet, a feeder assembly, a compound barrel assembly, a pressing shaft assembly, a filter cylinder assembly, a reduction gearbox assembly and a frame, wherein the compound barrel assembly consists of a pressing cage, a strip row assembly, a squeezing round row, a bevel round row and a cake discharging ring assembly. Wherein the strip assembly is formed by encircling a plurality of rectangular strips, polygonal strips and annular hoops into a squirrel-cage cylindrical structure, and a plurality of convex-concave parts are formed on the inner surface of the squirrel-cage cylindrical structure. The technical scheme effectively improves the rotation speed of the pressing shaft and the pressing force of the pressing chamber and prolongs the service life of the strip-shaped row, but the technical scheme is actually a structure of the strip-shaped row oil press, in addition, the connection of the strip-shaped row and the round row is not smooth enough, and the structure is similar to the structure of the pressing chamber of the round row inserted into the strip-shaped row, and the complexity of the strip-shaped row is greatly increased for cleaning and maintaining although the pressing force of the strip-shaped row is increased, so that the practical application and popularization difficulty is very high.
Chinese patent CN203510751U describes a full-automatic oil hot press comprising a frame, an input pulley, a gearbox, a press screw, a press cage shell and an oil-extraction clamp plate, said oil-extraction clamp plate being in a circular row and/or in a straight row. However, the technical scheme does not relate to how a structure for simultaneously using the circular row and the straight row is constructed, in the screw oil press, the structures in the screw and the press chamber are core factors of oil yield, the speed of oil entering the oil press device is accelerated through the screw feeder in the scheme, the temperature of the oil is ensured, and meanwhile, the oil is mixed and stirred, so that the oil outlet efficiency and the oil outlet quality of the whole squeezer are further improved. However, contrary to this technical solution, the oil extraction efficiency and the oil quality cannot be improved by simply accelerating the oil entering the oil press, and conversely, if the structure of the press chamber as the press core is unreasonable, the oil extraction rate is greatly reduced, and the oil quality is reduced. Through measurement and calculation in actual operation, the oil yield of the oil press is difficult to reach 9%, and great waste is caused.
Chinese patent CN2680452Y describes a heating type oil press mechanism, which comprises a press screw, a strip row, a meta row, a heating type press cylinder and a short press cage, wherein the strip row and the meta row are sleeved on the press screw, the heating type press cylinder and the short press cage are sleeved on the meta row, a plurality of oil outlet holes are arranged on the ring surface of one end of the heating type press cylinder, and a heating pipe is arranged in the annular groove on the end surface of the short press cage close to one end of the oil cake. In this technical scheme, heating type press cylinder and short press cage cluster cover are on the unit row and open on heating type press cylinder have a plurality of oil outlet to make oil press oil unblocked, the intensify is fast, installs secondary heating part in addition at short press cage afterbody, with the terminal pressing temperature of improvement mechanism, this technical scheme is actually a temperature control formula circular exhaust machine, and it is applicable to the extraction of granule or powder oil more, can not only cause the loss of circular exhaust machine to increase and the oil yield is low when extracting big granule oil such as peanut. Through actual operation measurement, the oil yield is less than 8%.
Chinese patent CN2920631Y describes an automatic stir-frying combined oil press, the oil pressing part comprises a press screw, an integral strip row fixed outside the press screw, a gap is arranged in the middle of the integral strip row, one end of the integral strip row is fixed on the feed inlet, the other end of the integral strip row is matched with a press cylinder, an oil receiving disc is fixed below the integral strip row, a first-stage press ring is fixed in the press cylinder, a groove is arranged on the press cylinder, an involutory split bearing bush heating plate is wrapped on the outer wall of the press cylinder, the other end of the press cylinder is fixed on a combined frame, a round row is pressed in the combined frame, a second-stage press ring is sequentially and fixedly connected with the combined frame, the combined frame is directly connected with a cake outlet, and a third-stage press ring is pressed in the cake outlet. According to the technical scheme, the combined oil press is utilized, the circular rows, the pressing rings and the like are arranged in the combined frame, and the heating plate is adopted for heating, so that the oil product is lifted, but oil filtering equipment such as a vacuum pump and the like is required to be added in the combined structure, and low-pressure cavity negative pressure is required to be generated in the oil filtering combiner, so that the arrangement of the external structure is obviously influenced. In addition, under the action of the screw press, the round rows and the secondary pressing rings, the oil in the oil cake is further pressed out, the pressed oil flows out to the oil receiving disc through the round row gaps, the oil cake is continuously pushed into the three-stage pressing cavity by the screw press, and the residual oil in the oil cake is further pressed out and flows to the oil receiving disc, so that the number of process points is increased, the cost is greatly increased, and the popularization is not facilitated.
On the other hand, the main shaft rotation speed of the prior art is difficult to further improve, the existing oil press usually utilizes the spiral pressure generated by the rotation of the spiral pressing rod in the pressing chamber to press oil, the rotation speed cannot be too high, and the pressure distribution in the pressing chamber is limited by the structure of the spiral pressing rod, once the rotation speed is too high, the machine is blocked easily due to the viscosity of the material slag, on the one hand, the quality of oil products is seriously affected by too high local temperature, and the oil juice contains a large amount of crushed slag and material moisture, so that the prior art oil press adopts a technical scheme for increasing the size of round-row pressing screws in order to avoid the idea of improving the output of the whole machine.
However, in the prior art, a high-rotation-speed strip-row round-row combined oil press does not exist, the advantages of the strip-row machine and the round-row machine are comprehensively utilized, the structure and the size in the press chamber are reasonably arranged, and the rotation speed of a main shaft can be effectively improved, so that the technical scheme of the output per hour, the oil yield and the oil quality can be improved.
Disclosure of Invention
In view of the technical problems existing in the prior art, the problems that the oil yield of the strip-type oil press is low and the output of the round-type oil press is too low in the existing market and cannot meet the demands of various consumer groups are solved, the strip-type round-type combined oil press is provided, the rotation speed of a main shaft can be effectively improved, the per-machine output, the oil yield and the oil quality of the oil press can be greatly improved, and a large number of production costs can be saved.
The invention provides a strip-row round-row combined oil press which is characterized by comprising a bottom plate, wherein a gear box assembly and a frame are respectively arranged above the left end and the right end of the bottom plate, the right side of the gear box assembly is connected with a feeding nozzle, a hopper assembly is arranged above the feeding nozzle, the right end of the feeding nozzle is connected with a press cage assembly, the right end of the press cage assembly is connected with the frame, a main shaft press screw assembly is arranged in the frame, the press cage assembly and the gear box assembly, the main shaft press screw assembly comprises a main shaft, a slag discharging head and a press screw group, the press cage assembly sequentially comprises a press cage, a strip row ring, a round row group, a high-pressure round row, a compression nut and a cake discharging ring, the gear box adopts a one-stage speed change gear box, the main shaft rotation speed reaches 80-135 revolutions per minute, the press screw group comprises 6 high press screws, the length of the strip row is 200-750 mm, the length of the round row group is 300-650 mm, the length of the press cage 11 is 650-1600 mm, and the length of the press screw group 14 is 850-1800 mm.
The combined oil press with the row and round row is characterized in that the length of the pressing cage group is 1000mm, the length of the row part is 520mm, the arrangement length of the round row group is 440mm, and the total length of the pressing screw assembly is 1194mm.
According to the strip-row round-row combined oil press, due to the adoption of the structure, the length of the pressing cage group is 1000mm, the length of the strip row part is 520mm, the arrangement length of the round row group is 440mm, the round row is finally connected with the cake high-pressure round row, the total length of the pressing screw assembly is 1194mm, the gear box is subjected to primary speed change, and the rotating speed of the main shaft is 80-135 revolutions per minute and is far higher than that of the original traditional oil press (28-45 revolutions per minute), so that the output of the oil press is higher than that of the original traditional oil press. The oil yield is 1-3% higher than that of the traditional oil press. The oil color of the oil extracted by the oil press is light yellow, transparent, clear, free of hot burnt smell, free of rancid smell and free of oil quality reaching the national first-class standard.
According to the strip-row-round-row combined oil press, when the length of the round row group 12 is 440mm, the rotating speed of the main shaft can be increased, the friction force in the back half press frame is increased to the greatest effect, the oil yield of oil in the oil pressing process is improved, and finally, one cake-discharging high-pressure round row is connected to the round row group.
According to the invention, the second round row and the third round row are processed into round rows with chamfer angles in inner holes, so that the extrusion smoothness is ensured. Under the high-rotation-speed state, the second round row and the third round row can adapt to the high-speed state, so that the output per hour is greatly improved, and meanwhile, the oil yield can be obviously improved.
Drawings
Fig. 1 is a schematic structural view of a combined oil press with a row and a round row according to an embodiment of the present invention;
FIG. 2 is a schematic diagram showing a gear box assembly structure of a strip-row round-row combined oil press according to an embodiment of the invention;
FIG. 3 is a schematic diagram showing a structure of a press cage assembly of the combined strip and round bar oil press according to the embodiment of the invention;
fig. 4 shows a schematic structural diagram of a main shaft press screw assembly of the strip-row round-row combined oil press according to the specific embodiment of the invention.
In the figure: 1-bottom plate, 2-gear box assembly, 3-feed nozzle, 4-hopper assembly, 5-press cage assembly, 6-frame, 7-main shaft press screw assembly, 8-gland nut, 9-cake discharging ring, 10-main shaft, 11-press cage, 12-round row group, 13-slag tap, 14-press screw group, 15-high pressure round row, 16-adjusting nut, 17-strip row ring, 18-strip row, 19-tightening nut, 20-steering wheel, 21-locking nut, 22-bearing, 23-550 triangle belt pulley, 24-13 tooth wheel shaft, 25-55 tooth gear, 26-13 tooth gear.
Detailed Description
The invention will be further described with reference to the accompanying drawings, which are, however, illustrative, and it will be understood by those skilled in the art that the invention is not limited to the specific embodiments.
Fig. 1 is a schematic structural view of a combined oil press with a row and a round row according to an embodiment of the present invention.
As shown in fig. 1, the combined oil press comprises a bottom plate 1, a gear box assembly 2 and a frame 6 are respectively arranged above the left end and the right end of the bottom plate 1, a feeding nozzle 3 is connected to the right side of the gear box assembly 2, a hopper assembly 4 is arranged above the feeding nozzle 3, a pressing cage assembly 5 is connected to the right end of the feeding nozzle 3, the right end of the pressing cage assembly 5 is connected with the frame 6, and a main shaft pressing screw assembly 7 is arranged in the frame 6, the pressing cage assembly 5 and the gear box assembly 2.
Fig. 2 is a schematic structural diagram of a gear box assembly of the strip-row round-row combined oil press according to the embodiment of the invention.
The gear box assembly 2 comprises a 550V-belt pulley 23, a 13 tooth wheel shaft 24 and a 55 tooth gear 25, a motor drives the 550V-belt pulley on the 13 tooth wheel shaft through a V-belt to drive the 13 tooth wheel shaft to operate, the 55 tooth wheel is driven to operate through the 13 tooth gear 26 on the 13 tooth wheel shaft, the 55 tooth wheel drives the main shaft press screw assembly to operate, the gear box adopts primary speed change to change the main shaft rotating speed to 80-135 revolutions per minute, the yield is improved, the noise emitted by the gear box is lower than that of the original gear box with secondary speed change, and the cost is reduced.
The oil press is characterized in that a motor drives a gear shaft of a gear box 13 through a 550V-belt pulley on a gear shaft of a gear box assembly 2 to drive the gear shaft of the gear box 13 to operate, a 13 tooth wheel on the gear shaft of the gear box 13 drives a 55 tooth wheel to operate, one end of a main shaft press screw assembly 7 is sleeved on the inner diameter of the 55 tooth, so that the main shaft press screw assembly 7 also operates normally, the motor on a hopper assembly 4 is started to push oil from the inside of the hopper to a press cage assembly 5 under the action of a blanking device, and the oil is pushed to the direction of a frame 6 under the action of the main shaft press screw assembly 7, wherein the change of the press frame pressure of the oil reaches a certain extrusion force in the conveying process due to the change of the screw pitch of the main shaft press screw assembly 7, and friction force is generated by the press cage assembly 5 and the main shaft press screw assembly 7, so that oil molecules are extruded from the oil.
Fig. 3 is a schematic structural view of a press cage assembly 5 of the combined strip and round bar oil press according to the embodiment of the invention.
As shown in fig. 3, the press cage assembly 5 comprises a press cage 11 and a press nut 8, wherein the right end of the press cage is connected with the press nut 8, and a cake ring 9 is connected in the press nut 8; the other end of the press cage 11 is internally provided with a bar 18 and bar ring 17 assembly, the bar 18 and bar ring 17 assembly is assembled in the bar ring, a round bar 12 and a high-pressure round bar 15 are assembled between the right end of the bar 18 and bar ring 17 assembly and the cake ring 9, the round bar 12 and the high-pressure round bar 15 are assembled in the press cage through a flat key (not shown), the length of the bar 18 is 200-750 mm, the length of the round bar 12 is 300-650 mm, the length of the press cage 11 is 650-160 mm, specifically, the preferred length of the press cage 11 is 1000mm, the preferred length of the bar 18 is 520mm, the preferred length of the round bar 12 is 440mm, the bar length of the bar is 520mm, the round bar group with the cake ring with the arrangement length of 440mm are sequentially and tightly assembled together, the bar length is increased from 100 mm to 200-750 mm (preferably mm) of the conventional round bar oil press, the front half of the press cage is reduced in resistance, the viscosity of the dry material is easy to be relieved, the press is especially clear after the press is rotated, the clear and the clear oil is easily discharged, and the filter residues are filtered. In another aspect, the combined bar and round bar oil press can be regarded as shortening the bar of the press part of the bar oil press, and the rear half part of the press frame is formed by the round bar group, so that the influence caused by the inherent defects of the bar oil press can be effectively reduced, the rotating speed of a main shaft can be improved when the optimal length of the round bar group 12 is 440mm according to the practice of the applicant, the friction force in the rear half part of the press frame can be increased to the greatest extent, the oil yield of oil in the oil pressing process is improved, and finally, a cake-discharging high-pressure round bar is connected to the arrangement of the round bar group.
The round row group 12 consists of 19 round rows, and comprises 1 round row (the inner hole of the feeding end is provided with a guide chamfer angle), 17 round rows (the two ends of the inner hole are not provided with chamfers), 1 round row (the inner hole of the discharging end is provided with a guide chamfer angle), and flat positioning is used for the round rows I, II and III, and the round rows are sequentially arranged in the pressing cage.
In the invention, the round rows are of the type which is conventional in the field, and the flat keys are the flat keys which are conventionally used in the field.
In the invention, the second round row and the third round row are processed into round rows with chamfer angles in inner holes, so that the extrusion smoothness is ensured. The applicant has found, in actual practice, that, in the high rotation speed state, the influence of the second and third rows (in the structure without the combined high-speed rows) on the press bore pressure is very subtle, and this is described in detail in another invention of the present inventor. According to the circular row structure, the structure in a high-speed state can be adapted, so that the output per hour is greatly improved, and meanwhile, the oil yield can be remarkably improved.
Fig. 4 shows a schematic structural diagram of a main shaft press assembly 7 of the strip-row round-row combined oil press according to the embodiment of the invention.
As shown in fig. 4, the main shaft press screw assembly 7 includes a main shaft 10, a slag tap 13, and a press screw set 14, the slag tap 13 and the press screw set 14 are assembled by flat keys in sequence, and then are pressed on the main shaft 10 by a lock nut 21, one end of the slag tap 13 is connected with the lock nut 21, the other end of the lock nut 21 is connected with an adjusting nut 16, the adjusting nut 16 is connected with a fastening nut 19 and a steering wheel 20, the adjusting nut 16 is used for supporting, fixing and adjusting the positions of the main shaft and the press screw assembly in the press frame, the right end of the main shaft 10 is connected with a bearing 22, the bearing 22 supports the adjusting nut 16, the press screw set 14 is formed by 6 high press screws, and the press screw set 14 and the slag tap are assembled on the main shaft 10 by flat keys (not shown) in sequence. The total length of the screw press group is 850-180mm, the preferable length of the screw press group is 1194mm, and the screw press assembly can well carry out material conveying and pressing for multiple times, so that the pressing effect is optimal.
The bar oil presses in the current market have low oil yield, and the round oil presses have low output. The invention reasonably combines the structure of the oil press, so that the oil press can work at a high rotating speed, effectively solves the defects of the two oil presses, and improves the output per hour. The rotation speed of the main shaft of the strip-row-round-row combined spiral oil press reaches 80-135 revolutions per minute, which is far higher than that of the original traditional oil press (28-45 revolutions per minute), the output of the strip-round-row combined spiral oil press is far higher than that of the traditional oil press, and the oil yield is 1-3% higher than that of the traditional oil press. The oil color of the oil pressed by the oil press is light yellow, transparent, clear and no burnt smell, and the quality of the oil reaches the national first-grade standard.
In view of the foregoing, it will be appreciated by those skilled in the art that the foregoing detailed description has been given by way of example only, and that various modifications and changes can be made thereto without departing from the spirit and scope of the invention as set forth in the appended claims.
Claims (3)
1. The combined oil press is characterized by comprising a bottom plate, wherein a gear box assembly and a frame are respectively arranged above the left end and the right end of the bottom plate, the right side of the gear box assembly is connected with a feeding nozzle, a hopper assembly is arranged above the feeding nozzle, the right end of the feeding nozzle is connected with a pressing cage assembly, the right end of the pressing cage assembly is connected with the frame, the pressing cage assembly and the gear box assembly are internally provided with a main shaft pressing screw assembly, the main shaft pressing screw assembly comprises a main shaft, a slag discharging head and a pressing screw group, the pressing cage assembly sequentially comprises a pressing cage, a strip row ring, a round row group, a high-pressure round row, a compression nut and a cake ring, the gear box adopts a first-stage speed change gear box, the main shaft rotation speed reaches 80-135 revolutions per minute, the pressing screw group comprises 6 high-pressing screws, the strip row length is 200-750 mm, the round row group length is 440mm, the pressing cage 11 length is 650-1600 mm, and the pressing screw group 14 length is 850-1800 mm;
the slag tapping head and the screw pressing group are sequentially positioned and assembled by flat keys and are pressed on the main shaft by lock nuts, one end of the slag tapping head is connected with the lock nuts, the main shaft at the other end of the lock nuts is connected with an adjusting nut, the adjusting nut is connected with a tightening nut and a steering wheel, the right end of the main shaft is connected with a bearing, and the adjusting nut is supported by the bearing;
the round row group consists of 19 round rows, and comprises a round row 1, a round row two, no chamfer 17 at the two ends of an inner hole of the round row two, a round row three, a round row 1, a round row two and a round row three which are positioned by a flat key and are sequentially arranged in the pressing cage; the inner holes of the first round row of feeding ends are provided with guide chamfer angles, the two ends of the second round row of inner holes are not provided with chamfer angles, and the inner holes of the third round row of discharging ends are provided with guide chamfer angles;
a pair of gears are directly pulled in the gear box assembly, the gear box adopts one-stage speed change, and the rotating speed of the main shaft is changed to 80-135 revolutions per minute through the gear box.
2. The combination press of claim 1, wherein the length of the press cage is 1000mm, the length of the row portion is 520mm, and the total length of the press screw is 1194mm.
3. The combined oil press with the row bars and the round bars as claimed in claim 1, wherein the press cage assembly comprises a press cage and a press nut, the right end of the press cage is connected with the press nut, a cake ring is connected in the press nut, the other end of the press cage is internally provided with the row bars and the row bars, the row bars are assembled in the row bars, round bars and high-pressure round bars are assembled between the right end of the row bars and the cake ring, and the round bars and the high-pressure round bars are assembled in the press cage in a positioning way through flat keys.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710919277.8A CN108215283B (en) | 2017-09-30 | 2017-09-30 | Combined oil press with strip-row and round-row |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710919277.8A CN108215283B (en) | 2017-09-30 | 2017-09-30 | Combined oil press with strip-row and round-row |
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| CN108215283A CN108215283A (en) | 2018-06-29 |
| CN108215283B true CN108215283B (en) | 2024-01-26 |
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| CN109049807A (en) * | 2018-09-04 | 2018-12-21 | 吴渭尧 | Pressure juice extractor |
| CN109849406A (en) * | 2019-03-03 | 2019-06-07 | 罗福国 | The method and screw press device of fresh bamboo production bamboo suede health protection tea and fresh bamboo liquid |
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| CN2360253Y (en) * | 1999-03-15 | 2000-01-26 | 王仰仝 | Speed regulation and centre regulation spiral oil press |
| CN2521032Y (en) * | 2002-01-04 | 2002-11-20 | 石家庄市太行榨油机厂 | Planetary drive screw oil expeller |
| CN201604302U (en) * | 2009-12-02 | 2010-10-13 | 温杰 | Combined type barrel oil press |
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