Safe hydraulic oil press

By designing a structure that combines the outer cylinder and the inner cylinder in the hydraulic oil press, the upper and lower pressure plates and air outlet valves can be used to effectively treat oil and residues, which solves the problems of prone to cracking and cylinder deformation of the old hydraulic oil press, and improves the safety and production efficiency of the equipment.

CN222792867UActive Publication Date: 2025-04-25ZHENGZHOU DINGSHENG MASCH MFG CO LTD
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Patent Information

Application Number
CN202421756343.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-24
Publication Date
2025-04-25
Estimated Expiration
2034-07-24

AI Technical Summary

Technical Problem

The old hydraulic oil press is prone to cracking and splashing when the oil cake is exposed, the oil is not collected completely, and the cylinder body is easily deformed and the cylinder is cracked due to strong pressure, affecting safe production.

Method used

A safety hydraulic oil press is designed, which adopts a structure that combines the outer cylinder of the oil press and the inner cylinder to form an oil press space at intervals. The oil is squeezed through the upper and lower pressure plates. The oil is discharged through the drain valve, and the residue is blown out through the air outlet valve.

Benefits of technology

It effectively avoids the problems of oil cake splashing and cylinder deformation, ensures the complete collection of oil and convenient treatment of residues, and improves the safety and production efficiency of the equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222792867U_ABST
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Abstract

The utility model relates to the technical field of hydraulic oil presses, in particular to a safety type hydraulic oil press which comprises an oil pressing outer barrel, a plurality of feeding ports are formed in the upper portion of the outer portion of the oil pressing outer barrel, a plurality of slag outlets are formed in the lower portion of the outer portion of the oil pressing outer barrel, and an oil pressing inner barrel is installed in the middle of the inner portion of the oil pressing outer barrel. The oil pressing device has the advantages that the oil pressing outer barrel serves as an equipment body, the oil pressing inner barrel is installed in the middle of the interior of the oil pressing outer barrel, a gap is reserved between the oil pressing outer barrel and the oil pressing inner barrel to form the oil pressing space, the multiple oil inlet holes which are evenly arrayed are formed in the lower portion of the exterior of the oil pressing inner barrel, and the upper pressing plate and the lower pressing plate are installed on the upper portion and the lower portion of the interior of the oil pressing space respectively. Oil plants are placed between the two pressing plates, oil in the oil plants can be squeezed into the oil pressing inner barrel through squeezing of the two pressing plates, the oil can be discharged from the liquid discharging valve on the lower portion in the oil pressing inner barrel, then the lower pressing plate moves downwards, residues obtained after squeezing can be discharged from the residue outlet in the oil pressing outer barrel, and the residues can be conveniently collected and treated.
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Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic oil presses, in particular to a safe hydraulic oil press. Background Art

[0002] The production of edible oil is generally divided into machine pressing, extraction or a combination of methods. Machine pressing is mainly divided into two types: screw press and hydraulic press. Screw press has better consistency and is more common in large-scale industries. The hydraulic press oil pressing process is 100% physical oil pressing. The organic components and nutrients in the oil are well preserved, and the aroma is more intense. It has been widely recognized by the market in recent years.

[0003] In the old-style hydraulic oil press, when the oil cake is exposed, it is easy to crack and splash after being under great pressure, and the oil is not completely collected. In the new-style oil press, the oil cake is placed in the oil pressing barrel, the oil cake will not splash, and the oil is easy to collect. However, the pressure on the barrel is relatively large, and it is easy to deform under strong pressure, causing the barrel to crack, affecting safe production. Based on this, the present application proposes a safe hydraulic oil press that can solve the above problems. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of the prior art and provide a safe hydraulic oil press.

[0005] The purpose of the utility model is achieved through the following technical solutions: a safe hydraulic oil press, comprising an oil pressing outer cylinder, a plurality of feed ports are provided on the upper part of the outer part of the oil pressing outer cylinder, a plurality of slag outlets are provided on the lower part of the outer part of the oil pressing outer cylinder, an oil pressing inner cylinder is installed at the middle position inside the oil pressing outer cylinder, a gap is left between the two to form an oil pressing space, the upper part of the oil pressing inner cylinder is closed, a plurality of oil inlet holes in a uniform array are provided on the outside thereof, an upper pressure plate and a lower pressure plate which can reciprocate up and down are respectively installed at the upper and lower parts of the oil pressing space, a closed cone is installed at the middle position below the inner part of the oil pressing inner cylinder, a drain valve is installed below the closed cone, a plurality of air outlet valves in a circular array are installed below the inner part of the oil pressing inner cylinder, and the air outlet direction is toward the slag outlet.

[0006] Optionally, an outer expansion cylinder is installed above the outside of the oil pressing outer cylinder, which opens outward, and the lower part of the inner wall of the outer expansion cylinder is in contact with the lower part of the feed port.

[0007] Optionally, a plurality of first hydraulic cylinders are installed below the oil pressing outer cylinder, the lower pressing plate is installed at the output end of the first hydraulic cylinder, and a sealing ring is installed on the outer side of the lower pressing plate.

[0008] Optionally, a plurality of mounting frames in a circular array are installed above the oil pressing inner cylinder, a second hydraulic cylinder is installed above each of the mounting frames, the upper pressure plate is installed at the output end of the plurality of second hydraulic cylinders, and a sealing ring is also installed on the outer side of the upper pressure plate.

[0009] Optionally, a plurality of mounting tubes in a circular array are installed below the inner side of the oil pressing inner cylinder, and the plurality of air outlet valves are respectively installed in the plurality of mounting tubes.

[0010] The utility model has the following advantages:

[0011] The safety hydraulic oil press is composed of an oil pressing outer cylinder as the main body of the equipment, an oil pressing inner cylinder is installed in the middle position inside the oil pressing outer cylinder, and a gap is left between the two to form an oil pressing space. A plurality of oil inlet holes in a uniform array are opened at the lower part of the outside of the oil pressing inner cylinder, and an upper pressing plate and a lower pressing plate are installed at the upper and lower parts of the oil pressing space respectively. The oil material is placed between the two pressing plates, and the oil in the oil material can be squeezed into the oil pressing inner cylinder through the squeezing of the two pressing plates. The oil can be discharged from the drain valve at the lower part of the inside of the oil pressing inner cylinder. Subsequently, the lower pressing plate moves downward, and the residue after pressing can be discharged from the residue outlet on the oil pressing outer cylinder, so that the residue can be collected and processed conveniently.

[0012] Among them, an outer expansion cylinder is installed above the outside of the oil pressing outer cylinder, and multiple feed ports are opened above the outside of the oil pressing outer cylinder. When in use, the upper pressure plate moves up to the top of the feed port, and the oil pressing raw materials are put into the outer expansion cylinder. The raw materials can enter the oil pressing space through the feed port, and the material can be stored and the discharge can be controlled.

[0013] Among them, a plurality of mounting tubes in a circular array are installed at the lower inner side of the oil pressing inner cylinder, each of which is equipped with an air outlet valve. When the residue after oil pressing falls, a strong gas is blown out from the air outlet valve to blow the residue out from the residue outlet, making it easier to collect the residue. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 A schematic cross-sectional structure diagram of ;

[0016] Figure 3 This is a schematic diagram of the overall structure of the oil pressing outer cylinder in the utility model;

[0017] Figure 4 It is a schematic diagram of the internal structure of the oil pressing outer cylinder in the utility model.

[0018] In the figure: 1-oil pressing outer cylinder, 2-outer expansion cylinder, 3-second hydraulic cylinder, 4-upper pressure plate, 5-slag outlet, 6-first hydraulic cylinder, 7-lower pressure plate, 8-sealing ring, 9-oil pressing inner cylinder, 10-air outlet valve, 11-liquid discharge valve, 12-mounting frame, 13-oil inlet hole, 14-closed cone cylinder, 15-mounting pipe, 16-feeding port. DETAILED DESCRIPTION

[0019] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0020] like Figures 1 to 4 As shown, a safe hydraulic oil press comprises an oil pressing outer cylinder 1, a plurality of feed ports 16 are provided on the upper part of the outer part of the oil pressing outer cylinder 1, a plurality of slag outlets 5 are provided on the lower part of the outer part of the oil pressing outer cylinder 1, an oil pressing inner cylinder 9 is installed at the middle position inside the oil pressing outer cylinder 1, and a gap is left between the two to form an oil pressing space, the upper part of the oil pressing inner cylinder 9 is closed, and a plurality of oil inlet holes 13 in a uniform array are provided on the outer part thereof, an upper pressing plate 4 and a lower pressing plate 7 which can reciprocate up and down are installed at the upper and lower parts of the oil pressing space respectively, a closed cone cylinder 14 is installed at the middle position below the inner part of the oil pressing inner cylinder 9, a drain valve 11 is installed below the closed cone cylinder 14, and a plurality of air outlet valves 10 in a circumferential array are installed below the inner part of the oil pressing inner cylinder 9, and the air outlet direction thereof is toward the slag outlet 5.

[0021] As an optional technical solution of the utility model, an outer expansion cylinder 2 is installed above the outside of the oil pressing outer cylinder 1, which opens outward, and the lower part of the inner wall of the outer expansion cylinder 2 is in contact with the lower part of the feed port 16. The staff can add materials into the outer expansion cylinder 2 to store materials. At the same time, the inclined outer expansion cylinder 2 can make the materials slide down smoothly to avoid accumulation.

[0022] As an optional technical solution of the utility model, a plurality of first hydraulic cylinders 6 are installed below the oil pressing outer cylinder 1, a lower pressure plate 7 is installed at the output end of the first hydraulic cylinder 6, and a sealing ring 8 is installed on the outer side of the lower pressure plate 7. In actual application, support legs can be installed on the bottom surface of the oil pressing outer cylinder 1 so that the device can be placed stably. At the same time, the size of the lower pressure plate 7 needs to be adapted to the size of the oil pressing space so that the components are tightly sealed.

[0023] As an optional technical solution of the utility model, a plurality of mounting frames 12 in a circular array are installed above the oil pressing inner cylinder 9, a second hydraulic cylinder 3 is installed above each of the plurality of mounting frames 12, an upper pressure plate 4 is installed at the output end of the plurality of second hydraulic cylinders 3, a sealing ring 8 is also installed on the outer side of the upper pressure plate 4, and the mounting frame 12 can be installed on the oil pressing inner cylinder 9 using fasteners such as bolts to facilitate the installation and disassembly of the upper pressure plate 4. At the same time, the size of the upper pressure plate 4 needs to be adapted to the size in the oil pressing space so that the components are tightly sealed.

[0024] As an optional technical solution of the utility model, a plurality of mounting tubes 15 in a circumferential array are installed at the lower part of the inner side of the oil pressing inner cylinder 9, and a plurality of air outlet valves 10 are respectively installed in the plurality of mounting tubes 15. In actual use, the air outlet valves 10 can be connected to the high-pressure air pipe, so that high-pressure gas can be blown out from the air outlet valves 10, and the residue is blown out by the high-pressure gas.

[0025] In summary, the features, assembly methods, use processes and functions realized by each component of the utility model are as follows: an oil pressing outer cylinder 1 is used as the main body of the equipment, an oil pressing inner cylinder 9 is installed in the middle position inside the oil pressing outer cylinder 1, and a gap is left between the two to form an oil pressing space, and a plurality of oil inlet holes 13 in a uniform array are opened at the lower part of the outside of the oil pressing inner cylinder 9, and an upper pressing plate 4 and a lower pressing plate 7 are installed at the upper and lower parts of the oil pressing space respectively, and the oil material is placed between the two pressing plates, and the oil in the oil material can be squeezed into the oil pressing inner cylinder 9 by squeezing the two pressing plates, and the oil can be discharged from the drain valve 11 at the lower part of the inside of the oil pressing inner cylinder 9, and then the lower pressing plate 7 moves downward, and the residue after squeezing can be discharged from the drain valve 11 at the lower part of the inside of the oil pressing inner cylinder 9. The residue is discharged from the slag outlet 5 on the oil pressing outer cylinder 1, which is convenient for collecting and processing the residue. An outer expansion cylinder 2 is installed above the outside of the oil pressing outer cylinder 1, and a plurality of feed ports 16 are opened above the outside of the oil pressing outer cylinder 1. When in use, the upper pressing plate 4 moves up to the above the feed port 16, and the oil pressing raw materials are put into the outer expansion cylinder 2. The raw materials can enter the oil pressing space through the feed port 16, and the materials can be stored and the feeding can be controlled. A plurality of mounting pipes 15 in a circumferential array are installed at the lower part of the inner side of the oil pressing inner cylinder 9, and an air outlet valve 10 is installed inside them. When the residue after oil pressing falls, a strong gas is blown out from the air outlet valve 10, and the residue can be blown out from the slag outlet 5, which is convenient for collecting the residue.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safe hydraulic oil press, characterized by: The invention comprises an oil pressing outer cylinder (1), wherein a plurality of feed ports (16) are provided on the upper part of the outer part of the oil pressing outer cylinder (1), a plurality of slag outlets (5) are provided on the lower part of the outer part of the oil pressing outer cylinder (1), an oil pressing inner cylinder (9) is installed at the middle position inside the oil pressing outer cylinder (1), and a gap is left between the two to form an oil pressing space, the upper part of the oil pressing inner cylinder (9) is closed, and a plurality of oil inlet holes (13) are provided on the outer part thereof in a uniform array, an upper pressing plate (4) and a lower pressing plate (7) which can reciprocate up and down are installed at the upper and lower parts of the oil pressing space respectively, a closed cone cylinder (14) is installed at the middle position inside the lower part of the oil pressing inner cylinder (9), and a drain valve (11) is installed at the lower part thereof, and a plurality of air outlet valves (10) in a circumferential array are installed at the lower part of the oil pressing inner cylinder (9), and the air outlet direction thereof is toward the slag outlet (5).

2. A safe hydraulic oil press according to claim 1, characterized in that: An outer expansion cylinder (2) is installed above the outside of the oil pressing outer cylinder (1) and opens outwards. The lower part of the inner wall of the outer expansion cylinder (2) is in contact with the lower part of the feed port (16).

3. A safe hydraulic oil press according to claim 1, characterized in that: A plurality of first hydraulic cylinders (6) are installed below the oil pressing outer cylinder (1), the lower pressing plate (7) is installed at the output end of the first hydraulic cylinder (6), and a sealing ring (8) is installed on the outer side of the lower pressing plate (7).

4. A safe hydraulic oil press according to claim 1, characterized in that: A plurality of mounting frames (12) in a circumferential array are installed above the oil pressing inner cylinder (9), a second hydraulic cylinder (3) is installed above each of the plurality of mounting frames (12), the upper pressing plate (4) is installed at the output ends of the plurality of second hydraulic cylinders (3), and a sealing ring (8) is also installed on the outer side of the upper pressing plate (4).

5. A safe hydraulic oil press according to claim 1, characterized in that: A plurality of mounting tubes (15) in a circumferential array are mounted below the inner side of the oil pressing inner cylinder (9), and the plurality of air outlet valves (10) are respectively mounted in the plurality of mounting tubes (15).