Raw material grinding and conveying mechanism of oil press

Abstract

The utility model relates to grinding mechanism technical field, and disclose a kind of raw material grinding conveying mechanism of oil press, including operation platform, the operation platform top is fixedly connected with L-shaped mounting plate, the fixed disc is fixedly connected in the installation cover inner wall, the protruding strip is fixedly connected in the grinding disc bottom, the recess is fixedly connected in the fixed disc inner wall, the protruding strip is matched with fixed disc, the fixed filter ring is fixedly connected in the installation cover top, the rolling and pressing assembly is equipped on the fixed filter ring, the pressure wheel is equipped on the fixed filter ring, and this rolling and pressing assembly is crushed to the oil extraction raw material of larger particle by pressure wheel;The rolling and pressing assembly formed by setting pressure wheel can pre-rolling and crushing the raw material with larger particle and higher hardness, solve the problem that such raw material cannot be fully processed in initial grinding stage in traditional device, improve the adaptability to different characteristic raw material, ensure overall grinding effect.

Description

Technical Field

[0001] This utility model relates to the field of grinding mechanism technology, specifically to a raw material grinding and conveying mechanism for an oil press. Background Technology

[0002] The raw material grinding and conveying mechanism of an oil press is a crucial part of the oil pressing production process. Its main function is to grind and refine various oilseed crops and then transport the ground material to the subsequent oil pressing stages. Through proper design and operation, this mechanism can effectively improve the oil yield and pressing efficiency, playing a vital role in the overall performance of the oil press.

[0003] Application No. 202321705052.X discloses an edible oil raw material grinding device. This utility model utilizes the rotation of a turntable to effectively grind edible oil raw materials through a fixed disc. Simultaneously, the turntable also drives the feed hopper to rotate, causing the edible oil raw materials in the feed hopper to move towards the fixed disc under the action of a spiral plate. This allows the raw materials to effectively enter between the turntable and the fixed disc for grinding, effectively guiding and unblocking the raw materials without the need for manual unblocking. Through the reciprocating motion of the sieve plate, the ground raw materials can be screened, allowing the raw materials that meet the standards to fall into the collection box after grinding. Larger particles that do not meet the standards can be discharged under the screening action of the sieve plate. The raw materials that do not meet the standards can be collected and ground again, avoiding repeated processing. This eliminates the need for secondary grinding of raw materials that meet the standards, thus improving grinding efficiency.

[0004] When the above-mentioned device is in use, raw materials with larger particles and higher hardness may not be fully crushed and ground between the rotating disc and the fixed disc, resulting in a large difference in particle size of the ground raw materials, which does not meet the product quality requirements and reduces the overall grinding effect. Therefore, we propose a raw material grinding and conveying mechanism for an oil press. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a raw material grinding and conveying mechanism for an oil press, which solves the problem that, when the above-mentioned devices are used, raw materials with larger particles and higher hardness may not be fully crushed and ground between the turntable and the fixed disc, resulting in a large difference in particle size of the ground raw materials, which does not meet product quality requirements and reduces the overall grinding effect.

[0006] To achieve the above-mentioned objectives, this utility model provides the following technical solution: a raw material grinding and conveying mechanism for an oil press, comprising an operating table, an L-shaped mounting plate fixedly connected to the top of the operating table, an mounting cover fixedly installed on the top of the operating table, a cylinder fixedly connected to the top of the L-shaped mounting plate, a motor fixedly connected to the output end of the cylinder, a rotating rod fixedly connected to the output end of the motor, a grinding disc fixedly connected to the bottom of the rotating rod, a fixed plate fixedly connected to the inner wall of the mounting cover, a protrusion fixedly connected to the bottom of the grinding disc, a groove fixedly connected to the inner wall of the fixed plate, the protrusion matching the fixed plate, a fixed filter ring fixedly connected to the top of the mounting cover, a crushing assembly provided on the fixed filter ring, and a pressure roller provided on the fixed filter ring. The crushing assembly crushes larger particles of oil-pressing raw material through the pressure roller.

[0007] Preferably, the convex strips are provided in several groups and are distributed circumferentially, and the grooves are provided in several groups and are distributed circumferentially.

[0008] Preferably, the compaction assembly further includes a second connecting rod and a pressure roller, wherein the second connecting rod is fixedly sleeved on the outer wall of the rotating rod, and the pressure roller is rotatably sleeved on the outer walls at both ends of the pressure roller.

[0009] Preferably, the pressure roller contacts the top of the fixed filter ring, and the pressure roller is matched with the fixed filter ring.

[0010] Preferably, the fixed plate is funnel-shaped, and a discharge port is provided in the middle of the fixed plate.

[0011] Preferably, the bottom of the mounting cover is fixedly connected to a discharge port, the bottom of the rotating rod is fixedly connected to a first connecting rod, the two ends of the first connecting rod are fixedly connected to fixed cylinders, the top of the fixed cylinder is slidably connected to a movable rod, the bottom of the movable rod is fixedly connected to the inner wall of the fixed cylinder, the spring is located inside the fixed cylinder, the bottom of the fixed plate is fixedly connected to a plurality of fixed balls in a circumferential distribution, and the top of the movable rod is in contact with the bottom of the fixed plate.

[0012] Preferably, the operating table is provided with a guide port, the guide port is inclined, and the discharge port is connected to the guide port.

[0013] Compared with the prior art, the present invention provides a raw material grinding and conveying mechanism for an oil press, which has the following beneficial effects:

[0014] 1. The raw material grinding and conveying mechanism of this oil press, through the setting of a crushing assembly composed of pressure rollers, can pre-crush and break up raw materials with larger particles and higher hardness. This solves the problem that such raw materials cannot be fully processed in the initial grinding stage in traditional devices, improves the adaptability to raw materials with different characteristics, and ensures the overall grinding effect. The convex strips at the bottom of the grinding disc match the grooves on the inner wall of the fixed disc and are distributed in a circumferential manner. When the rotating rod drives the grinding disc to rotate, it can grind the raw materials more thoroughly, making the particle size of the ground raw materials more uniform, meeting product quality requirements, and improving the overall grinding effect.

[0015] 2. The raw material grinding and conveying mechanism of this oil press, with its striking structure consisting of a fixed cylinder, a movable rod, a fixed ball, and a spring driven by the rotating rod, can strike the bottom of the fixed disc during the grinding process, effectively preventing the raw material residue after grinding from adhering between the grinding disc and the groove, thus ensuring the continuous and efficient operation of the device. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0018] Figure 3 for Figure 2 A magnified view of part A in the diagram;

[0019] Figure 4 for Figure 2 A magnified view of part B in the diagram.

[0020] In the diagram: 1. Operating table; 2. Feed inlet; 3. L-shaped mounting plate; 4. Fixed filter ring; 5. Cylinder; 6. Motor; 7. Grinding disc; 71. Raised strip; 8. Fixed disc; 9. Groove; 10. Discharge port; 11. First connecting rod; 12. Rotating rod; 121. Second connecting rod; 13. Pressure roller; 14. Fixed ball; 15. Movable rod; 16. Fixed cylinder; 18. Spring; 101. Mounting cover; 81. Discharge port. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4A raw material grinding and conveying mechanism for an oil press includes an operating table 1. An L-shaped mounting plate 3 is fixedly connected to the top of the operating table 1. An mounting cover 101 is fixedly installed on the top of the operating table 1. A cylinder 5 is fixedly connected to the top of the L-shaped mounting plate 3. A motor 6 is fixedly connected to the output end of the cylinder 5. A rotating rod 12 is fixedly connected to the output end of the motor 6. A grinding disc 7 is fixedly connected to the bottom of the rotating rod 12. A fixed disc 8 is fixedly connected to the inner wall of the mounting cover 101. A protrusion 71 is fixedly connected to the bottom of the grinding disc 7. A groove 9 is fixedly connected to the inner wall of the fixed disc 8. The protrusion 71 matches the fixed disc 8. A fixed filter ring 4 is fixedly connected to the top of the mounting cover 101. A crushing component is provided on the fixed filter ring 4. A pressure roller 13 is provided on the fixed filter ring 4. The crushing component crushes larger oil-pressing raw materials through the pressure roller 13. The oil-pressing raw materials are placed on the fixed filter ring 4 of the mounting cover 101. If the raw material contains large particles or has high hardness, the cylinder 5 on the L-shaped mounting plate 3 is activated. The cylinder 5 pushes the motor 6 downward, and simultaneously adjusts the position of the pressure roller 13 via the second connecting rod 121. The motor 6 is then activated, driving the rotating rod 12 to rotate. The rotating rod 12, via the second connecting rod 121, drives the pressure roller 13 to rotate along the top of the fixed filter ring 4, crushing the raw material. The crushed raw material falls through the filter holes of the fixed filter ring 4 into the space between the grinding disc 7 and the fixed disc 8. The motor 6 drives the rotating rod 12 to rotate continuously, which in turn drives the grinding disc 7 to rotate. The raw material is ground by the interaction between the protrusion 71 at the bottom of the grinding disc 7 and the groove 9 on the inner wall of the fixed disc 8. The ground raw material is discharged from the discharge port 81 in the middle of the fixed disc 8, then through the discharge port 10 at the bottom of the mounting cover 101, and finally through the guide port 2 on the operating table 1.

[0023] The protruding strips 71 are arranged in several groups and are distributed in a circular pattern, and the grooves 9 are arranged in several groups and are distributed in a circular pattern. When the rotating rod 12 drives the grinding disc 7 to rotate, the circumferentially distributed protruding strips 71 cooperate with the grooves 9 in sequence. As the grinding disc 7 continues to rotate, the raw material can be subjected to the action of the protruding strips 71 and the grooves 9 at different positions and at different times, so as to be ground in all directions and multiple times.

[0024] The compaction assembly also includes a second connecting rod 121 and a pressure roller 13. The second connecting rod 121 is fixedly sleeved on the outer wall of the rotating rod 12, and the pressure roller 13 is rotatably sleeved on the outer walls at both ends of the pressure roller 13. The second connecting rod 121 is fixedly sleeved on the outer wall of the rotating rod 12, and the pressure roller 13 is rotatably sleeved on the outer walls at both ends of the second connecting rod 121. The pressure roller 13 contacts the top of the fixed filter ring 4, and the pressure roller 13 matches the fixed filter ring 4. When the motor 6 drives the rotating rod 12 to rotate, the rotating rod 12 drives the second connecting rod 121 to rotate synchronously. The second connecting rod 121 then drives the pressure roller 13 to make a circular motion along the top of the fixed filter ring 4, crushing the raw material on the fixed filter ring 4. By setting the crushing assembly composed of the pressure roller 13, the raw materials with larger particles and higher hardness can be pre-crushed and crushed, solving the problem that such raw materials cannot be fully processed in the initial grinding stage in traditional devices, improving the adaptability to raw materials with different characteristics, and ensuring the overall grinding effect. The convex strip 71 at the bottom of the grinding disc 7 matches the groove 9 on the inner wall of the fixed disc 8 and is circumferentially distributed. When the rotating rod 12 drives the grinding disc 7 to rotate, the raw material can be ground more fully, making the particle size of the ground raw material more uniform, meeting the product quality requirements, and improving the overall grinding effect.

[0025] The fixed plate 8 is funnel-shaped, and a discharge port 81 is opened in the middle of the fixed plate 8. The ground raw material is discharged from the discharge port 81 in the middle of the fixed plate 8, passes through the discharge port 10 fixedly connected to the bottom of the mounting cover 101, and is discharged through the guide port 2 inclined on the operating table 1.

[0026] The bottom of the mounting cover 101 is fixedly connected to the discharge port 10. The bottom of the rotating rod 12 is fixedly connected to the first connecting rod 11. The two ends of the first connecting rod 11 are fixedly connected to the fixed cylinders 16. The top of the fixed cylinder 16 is slidably connected to the movable rod 15. The bottom of the movable rod 15 is fixedly connected to the inner wall of the fixed cylinder 16, and the spring 18 is located inside the fixed cylinder 16. The bottom of the fixed disk 8 is fixedly connected to several fixed balls 14 and they are distributed in a circle. The top of the movable rod 15 is in contact with the bottom of the fixed disk 8. When the rotating rod 12 rotates, it will drive the fixed cylinder 16 to rotate through the first connecting rod 11. The fixed cylinder 16 will drive the movable rod 15 to rotate. When the movable rod 15 rotates to contact the fixed balls 14, the spring 18 is compressed. When the top of the movable rod 15 loses contact with the fixed balls 14, the spring 18 returns to its original position and then knocks the bottom of the fixed disk 8 to prevent the ground material residue from adhering between the grinding disk 7 and the groove 9. The ground material is discharged from the discharge port 81 in the middle of the fixed disk 8.

[0027] The operating table 1 is provided with a guide port 2, which is inclined. The discharge port 10 is connected to the guide port 2. After the raw material is ground, it is discharged from the discharge port 10 and then smoothly discharged from the device through the inclined guide port 2 under the action of gravity.

[0028] Structural Description: Operating Platform 1: Serving as the foundational support platform for the entire mechanism, it supports various other components. Its top is equipped with a feed inlet 2 to guide the discharge of ground raw materials. Simultaneously, it provides mounting positions for components such as the L-shaped mounting plate 3, ensuring the stable construction of the entire mechanism.

[0029] Feed guide 2: Located on the operating table 1, it is inclined. Its function is to guide the ground raw material discharged from the discharge port 10 at the bottom of the mounting cover 101 by gravity, so that it can leave the device smoothly and efficiently, avoid the accumulation of raw material, and greatly improve the discharge efficiency.

[0030] L-shaped mounting plate 3: Fixedly mounted on the operating table 1, its unique L-shaped structure cleverly utilizes space, making the mechanism layout more compact and reasonable. It provides a stable mounting position for key components such as cylinder 5 and motor 6, facilitating the coordinated operation of each component.

[0031] Fixed filter ring 4: Located at the top of the mounting cover 101, on which the oil extraction raw materials are placed. The fixed filter ring 4 has filter holes. After the pressure roller 13 crushes the raw materials, the crushed raw materials can pass through these filter holes and enter the grinding area below. It plays a role in the preliminary screening of raw materials, ensuring that the size of the raw materials entering the grinding stage meets certain standards.

[0032] Cylinder 5: Mounted on top of the L-shaped mounting plate 3, its extension and retraction at the output end drives the motor 6 and other connected parts to move up and down. This adjusts the position of the pressure roller 13 to adapt to the crushing requirements of different raw materials, providing a flexible adjustment mechanism for raw material pretreatment.

[0033] Motor 6: Fixedly connected to the output end of cylinder 5, it is the power core of the entire grinding and conveying mechanism. Its output end drives the rotating rod 12 to rotate, which in turn drives the grinding disc 7, pressure roller 13 and other parts to operate, realizing a series of operations such as crushing and grinding the raw materials, and providing continuous power for the operation of the mechanism.

[0034] Grinding disc 7: Fixed to the bottom of rotating rod 12, with a protrusion 71 at its bottom. When the motor 6 drives the rotating rod 12 to rotate, the grinding disc 7 rotates accordingly. Through the interaction between the protrusion 71 and the groove 9 on the inner wall of the fixed disc 8, the raw material is finely ground. It is one of the key parts for achieving fine grinding of raw materials.

[0035] Raised strips 71: Several groups are circumferentially distributed on the bottom of the grinding disc 7, matching the grooves 9 on the inner wall of the fixed disc 8. During the rotation of the grinding disc 7, the raised strips 71 and the grooves 9 work closely together to squeeze and rub the raw material, achieving thorough grinding of the raw material and effectively ensuring the grinding effect of the raw material.

[0036] Fixed plate 8: Fixed to the inner wall of mounting cover 101, funnel-shaped, with a discharge port 81 in the middle. Its inner wall has a groove 9, which works in conjunction with the protrusion 71 at the bottom of the grinding plate 7 to grind the raw materials. The funnel-shaped design facilitates the convergence of the ground raw materials to the middle under the action of gravity, and discharges them through the discharge port 81, improving the convenience and efficiency of discharge.

[0037] Grooves 9: Several grooves are distributed circumferentially on the inner wall of the fixed disk 8, and interlock with the ridges 71 at the bottom of the grinding disk 7. During the grinding process, the grooves 9 and the ridges 71 work together to grind the raw material in multiple directions and repeatedly, ensuring the uniformity and thoroughness of the grinding and improving the grinding quality.

[0038] Discharge port 10: Installed at the bottom of the mounting cover 101 and fixedly connected. Its function is to guide the ground raw material discharged from the discharge port 81 of the fixed plate 8 out of the mounting cover 101 and transport it to the guide port 2 on the operating table 1. It is the key channel of the raw material discharge device and ensures the smooth discharge of the raw material.

[0039] The first connecting rod 11 has one end fixed to the bottom of the rotating rod 12 and the other end connected to the fixed cylinder 16. When the rotating rod 12 rotates, the first connecting rod 11 drives the fixed cylinder 16 to rotate, which in turn drives the movable rod 15 connected to it to rotate, providing power transmission for the auxiliary discharge structure and enabling the auxiliary discharge action to be realized.

[0040] Rotating rod 12: One end is fixedly connected to the output end of motor 6, and the other end is connected to grinding disc 7 and first connecting rod 11. Driven by motor 6, rotating rod 12 drives grinding disc 7 to rotate for grinding raw materials. At the same time, it drives auxiliary material discharge structure to work through first connecting rod 11. It is the core transmission component connecting power source and various working parts, and plays a key transmission role in the operation of the entire mechanism.

[0041] The second connecting rod 121 is fixedly sleeved on the outer wall of the rotating rod 12, with pressure rollers 13 rotatably sleeved at both ends. When the rotating rod 12 rotates, the second connecting rod 121 drives the pressure rollers 13 to rotate along the top of the fixed filter ring 4, crushing the raw material and realizing the pretreatment of large particles, thus preparing for the subsequent grinding process.

[0042] Pressure roller 13: Rotatably sleeved on the outer walls of both ends of the second connecting rod 121, contacting and matching the top of the fixed filter ring 4. Driven by the rotating rod 12, the pressure roller 13 crushes the raw material on the fixed filter ring 4, breaking down the larger and harder raw materials, effectively solving the problem that such raw materials are difficult to process fully in the initial grinding stage in traditional devices, and improving the adaptability of raw materials.

[0043] Fixed balls 14: Several balls are fixed in a circular pattern at the bottom of the fixed plate 8 and work in conjunction with the movable rod 15. When the movable rod 15 rotates to contact the fixed balls 14, it compresses the spring 18; when it disengages, the spring 18 returns to its original position, and the movable rod 15 strikes the bottom of the fixed plate 8 to prevent material residue and ensure the continuous and efficient operation of the device.

[0044] Movable rod 15: Its top end contacts the bottom of the fixed disk 8, and its bottom end is located inside the fixed cylinder 16 and connected to the inner wall of the fixed cylinder 16 via a spring 18. Rotating under the influence of the fixed cylinder 16, it strikes the bottom of the fixed disk 8 by contacting and disengaging with the fixed ball 14, assisting in material discharge and preventing material residue from adhering between the grinding disc 7 and the groove 9, thus improving the discharge effect. Fixed cylinder 16: Its top end is slidably connected to the movable rod 15 and connected to the rotating rod 12 via the first connecting rod 11. Rotating under the influence of the rotating rod 12, it drives the movable rod 15 to rotate, providing power support for the movement of the movable rod 15. It is an important component of the auxiliary discharge structure, ensuring the smooth operation of the auxiliary discharge action.

[0045] Spring 18: Located inside the fixed cylinder 16, one end is connected to the bottom of the movable rod 15, and the other end is connected to the inner wall of the fixed cylinder 16. When the movable rod 15 contacts the fixed ball 14, it is compressed and stores elastic potential energy; when the movable rod 15 separates from the fixed ball 14, the spring 18 releases the elastic potential energy, causing the movable rod 15 to reset and strike the bottom of the fixed plate 8, providing power for auxiliary material discharge.

[0046] Mounting cover 101: The top is fixedly connected to the fixed filter ring 4, the inner wall is fixedly connected to the fixed plate 8, and the bottom is fixedly connected to the discharge port 10. The mounting cover 101 covers the entire grinding working area, which plays a protective role, prevents raw materials from splashing, and provides installation space for internal parts, ensuring the normal operation of the mechanism and creating a safe and stable working environment.

[0047] Discharge port 81: Located in the middle of the fixed plate 8, it is the channel through which the ground raw material is discharged from the fixed plate 8. The funnel-shaped fixed plate 8 allows the raw material to converge at the discharge port 81 under the action of gravity, facilitating the discharge of the ground raw material into the subsequent discharge port 10 and guide port 2 discharge device, thus achieving smooth discharge of the raw material.

[0048] Instructions for use

[0049] The raw material for oil extraction is placed on the fixed filter ring 4 of the mounting cover 101. When there are large particles and high hardness in the raw material, the cylinder 5 on the L-shaped mounting plate 3 is activated. The output end of the cylinder 5 drives the motor 6 to move downward. At the same time, the position of the pressure roller 13 is adjusted through the second connecting rod 121. The motor 6 is activated, and the motor 6 drives the rotating rod 12 to rotate. The rotating rod 12 causes the pressure roller 13 to rotate along the top of the fixed filter ring 4 through the second connecting rod 121. The pressure roller 13 crushes the raw material at the top of the fixed filter ring 4. The crushed raw material enters between the grinding disc 7 and the fixed disc 8 through the filter holes on the fixed filter ring 4. The rotating rod 12 drives the grinding disc 7 to rotate, and the raw material is crushed in the groove 9 and the convex strip. With the cooperation of 71, the incoming raw material is fully ground. When the rotating rod 12 rotates, it will drive the fixed cylinder 16 to rotate through the first connecting rod 11. The fixed cylinder 16 drives the movable rod 15 to rotate. When the movable rod 15 rotates to contact the fixed ball 14, the spring 18 is compressed. When the top of the movable rod 15 loses contact with the fixed ball 14, the spring 18 returns to its original position and then knocks the bottom of the fixed plate 8 to prevent the ground raw material residue from adhering between the grinding plate 7 and the groove 9. The ground raw material is discharged from the discharge port 81 in the middle of the fixed plate 8, passes through the discharge port 10 fixedly connected to the bottom of the mounting cover 101, and is then discharged through the guide port 2 inclined on the operating table 1.

[0050] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A raw material grinding and conveying mechanism for an oil press, comprising an operating table (1), wherein an L-shaped mounting plate (3) is fixedly connected to the top of the operating table (1), and an mounting cover (101) is fixedly installed on the top of the operating table (1), characterized in that, Also includes; A cylinder (5) is fixedly connected to the top of the L-shaped mounting plate (3). A motor (6) is fixedly connected to the output end of the cylinder (5). A rotating rod (12) is fixedly connected to the output end of the motor (6). A grinding disc (7) is fixedly connected to the bottom of the rotating rod (12). A fixed disc (8) is fixedly connected to the inner wall of the mounting cover (101). A protrusion (71) is fixedly connected to the bottom of the grinding disc (7). A groove (9) is fixedly connected to the inner wall of the fixed disc (8). The protrusion (71) matches the fixed disc (8). A fixed filter ring (4) is fixedly connected to the top of the mounting cover (101). A crushing assembly is provided on the fixed filter ring (4). A pressure roller (13) is provided on the fixed filter ring (4). The crushing assembly crushes the larger oil extraction raw materials through the pressure roller (13).

2. The raw material grinding and conveying mechanism of an oil press according to claim 1, characterized in that: The convex strips (71) are provided in several groups and are distributed in a circular pattern, and the grooves (9) are provided in several groups and are distributed in a circular pattern.

3. The raw material grinding and conveying mechanism of an oil press according to claim 1, characterized in that: The rolling assembly also includes a second connecting rod (121) and a pressure roller (13). The second connecting rod (121) is fixedly sleeved on the outer wall of the rotating rod (12), and the pressure roller (13) is rotatably sleeved on the outer walls of both ends of the pressure roller (13).

4. The raw material grinding and conveying mechanism of an oil press according to claim 3, characterized in that: The pressure roller (13) contacts the top of the fixed filter ring (4), and the pressure roller (13) matches the fixed filter ring (4).

5. The raw material grinding and conveying mechanism of an oil press according to claim 1, characterized in that: The fixed plate (8) is funnel-shaped, and a discharge port (81) is provided in the middle of the fixed plate (8).

6. The raw material grinding and conveying mechanism of an oil press according to claim 1, characterized in that: The bottom of the mounting cover (101) is fixedly connected to the discharge port (10). The bottom of the rotating rod (12) is fixedly connected to the first connecting rod (11). The two ends of the first connecting rod (11) are fixedly connected to the fixed cylinder (16). The top of the fixed cylinder (16) is slidably connected to the movable rod (15). The bottom of the movable rod (15) is fixedly connected to the inner wall of the fixed cylinder (16) with the spring (18). The spring (18) is located inside the fixed cylinder (16). The bottom of the fixed plate (8) is fixedly connected to several fixed balls (14) and they are circumferentially distributed. The top of the movable rod (15) is in contact with the bottom of the fixed plate (8).

7. The raw material grinding and conveying mechanism of an oil press according to claim 6, characterized in that: The operating table (1) is provided with a guide port (2), which is inclined, and the discharge port (10) is connected to the guide port (2).

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