A pressing assembly for an oil expeller
By designing the oil press, the technical problems existing in the prior art have been solved, the oil residue has been crushed, and the pressing efficiency has been improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGZHOU LAIQIAN INTELLIGENT EQUIPMENT TECHNOLOGY CO LTD
- Filing Date
- 2025-05-09
- Publication Date
- 2026-06-19
Smart Images

Figure CN224374967U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of oil pressing equipment, specifically a pressing component for an oil press. Background Technology
[0002] Screw oil presses are mainly used for individual household oil processing. When the oil press is running, the processed oilseeds enter the pressing chamber from the hopper. The rotating screw continuously pushes the material forward for pressing. Because the material is in motion within the pressing chamber, under high pressure, significant frictional resistance is generated between the material and the screw, and between the material and the pressing chamber. This friction causes relative movement between the fine particles of the material. The heat generated by this friction provides the necessary heat for the oil pressing process, helping to denature the proteins in the material, breaking down colloids, increasing plasticity, and reducing viscosity, thus facilitating oil extraction. The oil is then pressed out of the oilseeds and flows out through the outlet.
[0003] However, in existing screw oil presses, the oil residue is discharged from the end of the pressing chamber. During the discharge, it forms a long tubular shape that easily falls outside the residue hopper. Furthermore, the loose material occupies a lot of space in the residue hopper. Summary of the Invention
[0004] The purpose of this invention is to address the shortcomings of the prior art by providing a pressing component that can crush the discharged oil residue during oil pressing.
[0005] To solve the above technical problems, the technical solution adopted by this utility model is as follows:
[0006] A pressing component of an oil press includes: a pressing chamber, a pressing rod, and a bearing.
[0007] The pressing chamber includes a first chamber and a second chamber. The first chamber has a feed inlet and an oil outlet, and the second chamber has a slag outlet on its side. The pressing rod includes a tapered shaft and spiral blades disposed on the outside of the tapered shaft. One end of the tapered shaft is provided with a connecting shaft head, and the other end is provided with a slag outlet blade. The bearing is disposed between the second chamber and the pressing rod.
[0008] Preferably, a first groove is provided on the outer side of the first chamber, and the oil outlet is located in the first groove. The first groove can prevent the oil flowing out of the oil outlet from flowing and spreading along the outer wall of the pressing chamber, and facilitate oil collection.
[0009] Preferably, the first bore and the second bore are threadedly connected.
[0010] Preferably, the tapered shaft has a threaded shaft at one end near the slag discharge disc, and a nut that mates with the threaded shaft is provided on the threaded shaft.
[0011] Preferably, the nut is provided with a plurality of second grooves, the threaded shaft is provided with a threaded hole, and the slag discharge plate is connected to the threaded hole by a screw, the screw engaging with the second groove.
[0012] Preferably, the slag discharge blade is Z-shaped.
[0013] Preferably, the bearing includes balls and annular baffles on both sides of the balls, the inner ring of the annular baffles engaging with the threaded shaft; the end of the second bore is provided with a stepped hole, and the outer ring of the annular baffles engaging with the stepped hole of the second bore.
[0014] Preferably, it also includes a base, which is sleeved on the outside of the first cavity, the base has an opening corresponding to the feed port, the base has a pin, the first cavity has a third groove, and the pin cooperates with the third groove.
[0015] The beneficial effects of this utility model are: the slag outlet of the pressing component is located on the side of the second chamber. When pressing oil, the oil residue is discharged from the side of the pressing chamber. At the same time, the slag discharge blades rotate with the pressing rod to cut and crush the oil residue. The oil residue falls into the collection slag hopper below, and the oil residue is piled up tightly, reducing space waste. Attached Figure Description
[0016] Figure 1 This is a structural schematic diagram of an embodiment;
[0017] Figure 2 This is a schematic diagram of the first bore.
[0018] Figure 3 This is a schematic diagram of the second bore.
[0019] Figure 4 This is a schematic diagram of the barrel rod;
[0020] Figure 5 This is a schematic diagram of the base;
[0021] Marking descriptions: 1-First chamber, 11-Inlet, 12-Oil outlet, 13-First groove, 14-Third groove, 2-Second chamber, 21-Slag outlet, 22-Stepped hole, 3-Conical shaft, 4-Helical blade, 5-Connecting shaft head, 6-Threaded shaft, 7-Slag outlet paddle, 71-Screw, 8-Bearing, 81-Ball, 82-Annular baffle, 9-Nut, 91-Second groove, 10-Base, 101-Pin. Detailed Implementation
[0022] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification.
[0023] like Figures 1 to 5 As shown, a pressing component of an oil press includes: a pressing chamber, a pressing rod, and a bearing 8.
[0024] The pressing chamber includes a first chamber 1 and a second chamber 2. The first chamber 1 has a feed inlet 11 and an oil outlet 12, and the second chamber 2 has a slag outlet 21 on its side. The pressing rod includes a tapered shaft 3 and spiral blades 4 disposed on the outside of the tapered shaft 3. One end of the tapered shaft 3 is provided with a connecting shaft head 5, and the other end is provided with a slag outlet deflector 7. The connecting shaft head 5 is used to connect to a drive motor. A bearing 8 is disposed between the second chamber 2 and the pressing rod.
[0025] The first chamber 1 has a first groove 13 on its outer side, and the oil outlet 12 is located in the first groove 13.
[0026] The first bore 1 is threadedly connected to the second bore 2.
[0027] The tapered shaft 3 has a threaded shaft 6 at one end near the slag discharge plate 7, and a nut 9 is provided on the threaded shaft 6 to cooperate with it. The nut 9 can adjust the extrusion gap between the pressing chamber and the pressing rod. When the nut 9 is screwed in, the nut 9 presses against the second chamber 2, and the tapered shaft 3 moves outward, increasing the gap between the tapered shaft 3 and the pressing chamber; conversely, when the nut 9 is screwed out, the tapered shaft 3 moves inward, decreasing the gap between the tapered shaft 3 and the pressing chamber. The extrusion gap can be adjusted according to different oilseeds such as peanuts and soybeans.
[0028] The nut 9 is provided with a plurality of second grooves 91, the threaded shaft 6 is provided with a threaded hole, and the slag discharge plate 7 is connected to the threaded hole by a screw 71, the screw 71 cooperating with the second groove 91.
[0029] The slag discharge blade 7 is Z-shaped.
[0030] The bearing 8 includes balls 81 and annular baffles 82 on both sides of the balls 81. The balls 81 are arranged circumferentially on the outside of the threaded shaft 6 via a cage. The inner ring of the annular baffle 82 mates with the threaded shaft 6. The end of the second chamber 2 is provided with a stepped hole 22, and the outer ring of the annular baffle 82 mates with the stepped hole 22 of the second chamber 2. The pressing chamber and the pressing rod rotate relative to each other via the balls 81. When adjusting the nut 9, the nut 9 rests on the outer annular baffle 82, while the inner annular baffle 82 rests against the stepped hole 22 of the second chamber 2.
[0031] This embodiment also includes a base 10, which is sleeved on the outside of the first chamber 1. The base 10 has an opening corresponding to the feed port 11 and a pin 101. The first chamber 1 has a third groove 14, and the pin 101 cooperates with the third groove 14.
[0032] When the oil press is running, the processed oilseeds enter the pressing chamber through the feed inlet 11. The press rod is driven by a drive motor, and the spiral blades 4 on the press rod continuously push the material inward for pressing. Since the slag outlet 21 of the pressing component is located on the side of the second chamber 2, the oil residue is discharged from the side of the pressing chamber during oil pressing; at the same time as discharge, the slag discharge blades 7 rotate with the press rod to cut and crush the oil residue, and the oil residue falls into the collection hopper below to prevent the oil residue from falling outside the hopper.
[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
[0034] In the description of this utility model, it should be understood that the terms "front", "rear", "left", "right", "center", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only used to facilitate the description of this utility model and simplify the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.
Claims
1. A pressing component of an oil press, characterized in that, include: The pressing chamber includes a first chamber body (1) and a second chamber body (2). The first chamber body (1) is provided with a feed inlet (11) and an oil outlet (12). The second chamber body (2) is provided with a slag outlet (21) on its side. The press rod includes a conical shaft (3) and spiral blades (4) disposed outside the conical shaft (3). One end of the conical shaft (3) is provided with a connecting shaft head (5), and the other end is provided with a slag discharge blade (7). The bearing (8) is disposed between the second chamber (2) and the press rod.
2. The pressing component of the oil press according to claim 1, characterized in that: The first chamber (1) has a first groove (13) on its outer side, and the oil outlet (12) is located in the first groove (13).
3. The pressing component of the oil press according to claim 1, characterized in that: The first bore (1) is threadedly connected to the second bore (2).
4. The pressing component of the oil press according to claim 1, characterized in that: The tapered shaft (3) has a threaded shaft (6) at one end near the slag discharge plate (7), and a nut (9) is provided on the threaded shaft (6) to cooperate with it.
5. The pressing component of the oil press according to claim 4, characterized in that: The nut (9) has a plurality of second grooves (91), the threaded shaft (6) has a threaded hole, the slag discharge plate (7) is connected to the threaded hole by a screw (71), and the screw (71) cooperates with the second groove (91).
6. The pressing component of the oil press according to claim 5, characterized in that: The slag discharge blade (7) is Z-shaped.
7. The pressing component of the oil press according to claim 6, characterized in that: The bearing (8) includes a ball (81) and an annular baffle (82) on both sides of the ball (81). The inner ring of the annular baffle (82) is engaged with the threaded shaft (6). The end of the second bore (2) is provided with a stepped hole (22). The outer ring of the annular baffle (82) is engaged with the stepped hole (22) of the second bore (2).
8. The pressing component of the oil press according to any one of claims 1-7, characterized in that: It also includes a base (10), which is sleeved on the outside of the first chamber (1). The base (10) has an opening corresponding to the feed port (11) and a pin (101) on the base (10). The first chamber (1) has a third groove (14) and the pin (101) cooperates with the third groove (14).