Extensible modular squeezer for edible peanut oil

Abstract

The invention relates to the technical field of peanut oil squeezing, and discloses an extensible modular squeezer for edible peanut oil, which comprises a rack and hinge rods movably hinged to the front and rear sides of the right end of the top of the rack, the right sides of the hinge rods on the two sides are slidably clamped with a fixing frame, and a connecting frame is fixedly connected between the left ends of the hinge rods on the two sides; the bottom of the connecting frame is provided with a supporting assembly driving the hinge rod to deflect upwards, the hinge rod is provided with a plurality of linear array squeezing frames, an elastic squeezing cage is rotationally connected into the squeezing frames, and the two sides of the elastic squeezing cage are rotationally connected with material guiding rings with the inner walls provided with two symmetrical protruding blocks. According to the invention, the pressing part comprising the elastic pressing cage and the pressing screw is matched with the pressing frame for modular design, and the expansion space is provided and the pressing frame is fixed by utilizing the flexibility of the fixing frame, so that a pressing module with a new pressure gradient is conveniently and reliably replaced or expanded and added, the pressing quality is improved, the production cost is reduced, and the production efficiency is improved. In addition, internal cleaning is more convenient and safer.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of peanut oil pressing, in particular to an expandable modular press for edible peanut oil. BACKGROUND

[0002] The edible peanut oil press is a device for extracting peanut oil from pretreated peanut raw materials through mechanical multi-stage extrusion combined with progressive pressure. It has the characteristics of compact structure, simple operation, high oil yield, and pure oil quality, and is widely used in family workshops and small oil mills, which can meet people's demand for healthy and natural edible oil. The main pressing part of the peanut oil press is composed of a press barrel and a plurality of press screws sleeved on the shaft. The inner diameter of the press barrel gradually shrinks from large to small along the advancing direction of the press screws, and the pitch of the press screws gradually decreases, so as to form a continuously increasing pressing pressure and realize the full extrusion of the peanut raw materials.

[0003] The invention patent with publication number CN118700615A discloses a peanut oil pressing equipment, which comprises a screw press. The top end of the screw press is provided with a feeding hopper. The inside of the screw press is fixedly provided with an oil outlet. One side of the screw press is provided with a residue discharge port. The end of the screw press close to the residue discharge port is provided with a post-processing assembly for pressing the residual oil in the oil residue. The post-processing assembly comprises a residue collecting box arranged at the end of the screw press close to the residue discharge port. The side of the residue collecting box away from the screw press is provided with a support frame. The oil residue is received by the turnover box and turned over after a set time to guide the oil residue into the storage tank. The oil residue can be quantitatively packed. The three stations of the storage tank and the turnover box can ensure that the packing process does not affect the discharge of the residue discharge port. The oil residue inside the storage tank is pressed by the pressure plate driven by the hydraulic cylinder to press out the residual oil in the oil residue, thereby reducing the time consumed by repeated pressing.

[0004] The peanut oil pressing equipment in the above-mentioned patent has the same structure as the traditional peanut oil pressing equipment, i.e., the structure of the pressing part is fixed, and the range of pressing pressure and the size of pressure in different pressing stages cannot be adjusted. When the pressing of the corresponding peanut raw material is not complete, resulting in residual peanut oil in the oil residue, an additional mechanism is needed to press the oil residue simultaneously. For peanut raw materials with different water content or different pre-treatment, a press with different pressure gradient and pressure range needs to be purchased and replaced, which increases the production cost. After production is completed, the ends of different press screws, i.e., the plug regions, are smooth and have no spiral leaves, so that the regions are prone to accumulate and form cake, which is difficult to clean and is prone to solidification and shaft holding when the temperature decreases, affecting the secondary use. Stopping the machine and removing the shaft and press screws for cleaning is troublesome and has the risk of high-temperature scalding. SUMMARY

[0005] The edible peanut oil extensible modular presser is provided, which solves the problems of fixed presser pressure range and pressure gradient, high production cost, troublesome disassembly and cleaning and easy scalding in the use of general peanut oil press equipment.

[0006] In order to achieve the above-mentioned purpose, the application specifically adopts the following technical scheme: The edible peanut oil extensible modular presser comprises a rack, a hinge rod movably and hingedly arranged at the top right end of the rack, a fixed frame slidably and clippingly arranged at the right side of the hinge rod, a connecting frame fixedly connected between the left ends of the hinge rods on the left side, a supporting assembly arranged at the bottom of the connecting frame and used for driving the hinge rod to deflect upward, a plurality of linearly arranged press frames arranged on the hinge rod, an elastic press cage rotatably arranged in the press frame, a guide ring with two symmetric protrusions arranged on the inner wall of the elastic press cage, a press screw fixedly connected between the two protrusions on the left and right sides, and the elastic press cages and the press screws are synchronously rotated. Each of the press frames is slidably and clippingly arranged on the hinge rod and the fixed frame, a hopper is fixedly and insertingly arranged at the top of the first press frame on the left side, a cleaning assembly for breaking and cleaning the cake is arranged on the inner wall of the press frame, and a driving assembly for driving the rotation of the press screw and the forward and reverse rotation of the elastic press cage is arranged in the connecting frame.

[0007] Further, the fixed frame is in U shape and has an arch plate portion at the right end and used for movably abutting against the right press frame, the arch plate portion has a circular cavity corresponding to the guide ring at the middle portion, and telescopic legs are fixedly connected to the front and rear sides of the lower end of the arch plate portion, threaded rods are rotatably connected to the left ends of the hinge rods on the left side and are screw-inserted into the fixed frame, synchronous belts are movably sleeved to the left ends of the threaded rods on the left side, and hand wheels are arranged at the left ends of the threaded rods on the front side.

[0008] Further, a fixed oil frame is fixedly connected between the bottom of the connecting frame and the rack, a movable oil frame is slidably and sealingly clippingly arranged on the outer wall of the fixed oil frame and is fixedly connected to the fixed frame, an oil port is arranged at the left side of the bottom of the fixed oil frame, and the lower walls of the inner cavities of the fixed oil frame and the movable oil frame are inclined to the left.

[0009] Further, protruding columns are arranged at the front and rear sides of the left end of the elastic press cage, grooves corresponding to the protruding columns are formed at the front and rear sides of the right end of the elastic press cage, the left and right ends of the press screw have key protrusions and key grooves corresponding to each other, positioning columns are arranged at the front and rear sides of the left wall of the press frame and the left wall of the arch plate portion of the fixed frame, and positioning grooves corresponding to the positioning columns are formed at the front and rear sides of the right wall of the press frame and the right wall of the connecting frame.

[0010] Furthermore, the drive assembly includes a shaft roller rotatably connected to the middle of the connecting frame, the right end of the shaft roller being adapted to slide and engage with the key protrusion, a motor being installed on the left wall of the inner cavity of the connecting frame, and a transmission belt being movably sleeved between the motor output shaft and the shaft roller.

[0011] Furthermore, the support assembly includes a U-shaped bearing frame that is slidably engaged with the inner wall of the connecting frame. Telescopic cylinders are fixedly connected between the inner walls on both sides of the bearing frame and the inner wall of the connecting frame. A support rod is movably connected between the bottom of the bearing frame and the connecting frame.

[0012] Furthermore, all of the left-side pressing frames except the first one are equipped with handles at the top, and the upper wall of the first elastic pressing cage on the left side is provided with a material trough that connects with the hopper. The bottom of the hopper is provided with a sealing plate that movably abuts against the outer perimeter of the top of the material trough.

[0013] Furthermore, there is a gap between the inner wall of the pressing frame and the outer wall of the elastic pressing cage, and openings are provided on both the front and rear sides of the top of the pressing frame. The rear wall of the elastic pressing cage has a stop block that movably abuts against the inner wall of the opening. The stop block is elastically connected to the rear wall of the top of the pressing frame. The bottom of both the front and rear sides of the pressing frame is provided with slots that are adapted to the hinge rod and the fixing frame.

[0014] Furthermore, the cleaning assembly includes a spray ring fixedly connected to the inner wall of the press frame, the inner wall of the spray ring having a circumferential array of spray holes, the top of the spray ring having an air pipe extending to the upper wall of the press frame, the spray ring being rotatably connected to the outer right wall of the elastic press cage, and the inner wall of the elastic press cage having a through groove misaligned with the spray holes.

[0015] Furthermore, the drive assembly also includes a turntable fixedly sleeved on the left side of the shaft roller. Slots are provided on both the upper and lower sides of the turntable. A key tube and a toothed disc are rotatably sleeved on the right side of the shaft roller and fixedly connected to each other. A retaining ring rotatably connected in the bearing frame is slidably engaged on the key tube. Two elastic pins corresponding to the slots are slidably engaged on the left wall of the retaining ring. An elastic toothed plate that can mesh with the toothed disc is slidably connected to the rear cavity wall of the connecting frame. A toothed ring that meshes with the elastic toothed plate is fixedly connected to the left end of the first elastic pressing cage on the left side. The bearing frame is movably pressed against the elastic toothed plate. The left end of the first pressing screw on the left side expands and connects to the guide ring to form a closed shape.

[0016] The beneficial effects of this invention are as follows: This invention utilizes a modular design that combines the pressing section, which includes a spring-loaded pressing cage and a screw press, with a pressing frame. It also employs the elasticity of the fixing frame to provide expansion space and fix the pressing frame. Depending on different pressing needs, it facilitates reliable replacement or expansion by adding pressing modules with new pressure gradients. This results in a wider and more comprehensive control over the pressing pressure range, improved pressing quality, and the solution to the problem of needing to purchase different pressing machines when there are different pressing requirements, thus reducing production costs.

[0017] After pressing, this invention controls the support component to drive the hinge rod to deflect upwards, causing each pressing module to automatically tilt. This, combined with an external pressurized air source connected to the cleaning component, drives the screw presses to rotate and the elastic pressing cages to vibrate in both directions. The intermittent pneumatic output of the cleaning component further breaks up the cake residue accumulated at the end of the screw press, accelerating the output of the cake residue fragments. This prevents the residue from solidifying and seizing up when the temperature drops, thus avoiding impact on secondary use. It also eliminates the risk of disassembly and burns during cleaning, making cleaning more convenient and safer. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional sectional view of the frame and pressing frame of the present invention; Figure 3 This is a three-dimensional exploded cross-sectional view of the connecting frame and bearing bracket portion of the present invention; Figure 4 This is an exploded view of the frame and hinge section of the present invention; Figure 5 This is a three-dimensional sectional view of the frame portion of the present invention; Figure 6 This is a three-dimensional sectional view of the frame and pressing frame of the present invention; Figure 7 This is a three-dimensional cross-sectional view of the pressing frame and elastic pressing cage of the present invention; Figure 8 This is a three-dimensional sectional view of the pressing frame and pressing screw of the present invention; Figure 9 This is a three-dimensional structural diagram of the fixed oil frame and the moving oil frame of the present invention.

[0019] Reference numerals: 1. Frame; 11. Hinge rod; 12. Screw; 13. Fixed frame; 14. Telescopic support leg; 15. Fixed oil frame; 16. Moving oil frame; 2. Connecting frame; 21. Bearing frame; 22. Telescopic cylinder; 23. Support rod; 3. Shaft roller; 31. Turntable; 32. Key tube; 33. Toothed disc; 34. Snap ring; 35. Spring pin; 36. Spring toothed plate; 4. Press frame; 41. Positioning column; 42. Spring press cage; 43. Protruding column; 44. Toothed ring; 45. Guide ring; 46. Press screw; 47. Key protrusion; 48. Hopper; 5. Spray ring; 51. Spray hole; 52. Air pipe. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0021] Example 1, as Figures 1-9As shown, an expandable modular press for edible peanut oil includes a frame 1 and hinge rods 11 that are movably hinged to the front and rear sides of the right side of the top of the frame 1. A fixed frame 13 is slidably engaged on the right side of the hinge rods 11. A connecting frame 2 is fixedly connected between the left ends of the hinge rods 11. A support component that drives the hinge rods 11 to deflect upward is provided at the bottom of the connecting frame 2. Several linear arrays of pressing frames 4 are provided on the hinge rods 11. An elastic pressing cage 42 is rotatably connected in the pressing frame 4. There is a gap between the inner wall of the pressing frame 4 and the outer wall of the elastic pressing cage 42. Both sides of the elastic pressing cage 42 are rotatably connected to a guide ring 45 with two symmetrical protrusions on the inner wall. A pressing screw 46 is fixedly connected between the two protrusions. The elastic pressing cages 42 and the pressing screws 46 rotate synchronously. Adjacent guide rings 45 and pressing screws 46 are movably sealed and abutted. Each pressing frame 4 is slidably engaged with the hinge rod 11 and the fixed frame 13. The bottom of the front and rear sides of the pressing frame 4 are provided with slots that are compatible with the hinge rod 11 and the fixed frame 13. The top of the first pressing frame 4 on the left is fixedly inserted with a hopper 48. The inner wall of the pressing frame 4 is provided with a pneumatic crushing and cleaning component for the cake. The connecting frame 2 is provided with a drive component that drives each pressing screw 46 to rotate and the elastic pressing cage 42 to rotate in both directions.

[0022] All of the left-side pressing frames 4 except the first one are equipped with handles on the top. The upper wall of the first elastic pressing cage 42 on the left side is provided with a material trough that connects with the hopper 48. The bottom of the hopper 48 is provided with a sealing plate that moves against the outer perimeter of the top of the material trough.

[0023] During use, each pressing frame 4 is slidably engaged with the hinge rod 11 and the fixed frame 13. The fixed frame 13 fixes all the pressing frames 4 by squeezing the pressing frame 4 on the right side. Depending on the pressing requirements, when it is necessary to change the pressing pressure range or adjust the pressing pressure gradient, the pressing parts of the elastic pressing cage 42 and the pressing screw 46 are modularly designed in conjunction with the pressing frame 4. The fixed frame 13 provides expansion space and a fixing function through its telescopic nature. By controlling the rightward movement of the fixed frame 13, it is easy to reliably replace or expand the pressing module with a new pressure gradient. The pressing pressure range control is more extensive and comprehensive, and the pressing quality is improved. It also solves the problem of needing to purchase different pressing machines when there are different pressing needs, reducing production costs. During pressing production, the control drive component drives each pressing screw 46 to rotate, thus... Peanut raw materials are fed into the pressing chamber between the first elastic pressing cage 42 and the screw press 46 via the hopper 48 and the trough. As each screw press 46 squeezes and conveys the peanuts to the right, the peanuts are pressed to extract oil, which is discharged outward through the elastic pressing cage 42. The cake residue formed at the end of the pressing is discharged from the rightmost guide ring 45. After pressing, the control support component drives the hinge rod 11 to deflect upward, and each pressing module automatically tilts. In conjunction with the external pressurized air source connected to the cleaning component, the drive component drives each elastic pressing cage 42 to rotate forward and backward to vibrate. This, in conjunction with the pneumatic crushing of the cake residue accumulated in the end blockage area of ​​the screw press 46 by the cleaning component, facilitates the output of cake residue fragments, prevents solidification and shaft seizure when the temperature drops, which would affect secondary use, and avoids disassembly and cleaning, as well as the risk of burns. The cleaning process is more convenient and safer.

[0024] In embodiment two, based on the above embodiment, the fixed frame 13 is U-shaped and has an arched plate portion at the right end that movably abuts against the right side pressing frame 4. The middle part of the arched plate portion has a circular cavity corresponding to the guide ring 45, and telescopic support legs 14 are fixedly connected to the front and rear sides of the lower end of the arched plate portion. The left ends of the hinge rods 11 on both sides are rotatably connected to screw rods 12 that are threaded into the fixed frame 13. The left ends of the screw rods 12 on both sides are movably sleeved with synchronous belts, and a handwheel is provided at the left end of the front screw rod 12.

[0025] The arched plate with a circular cavity facilitates the pressing and fixing of each pressing frame 4 while not affecting the discharge of peanut cake residue. When it is necessary to replace or add a new pressing module with a new pressure gradient, one screw 12 is rotated by turning the handwheel, while the other screw 12 rotates synchronously under the action of the synchronous belt. This causes the fixing frame 13 to move to the right, releasing the fixing effect and making room for the replacement or addition of the pressing module. After the pressing module is replaced or added, the handwheel is turned in the opposite direction to control the fixing frame 13 to be fixed again. Depending on the extension state of the fixing frame 13, the two telescopic support legs 14 can be selectively extended to the ground for support. After the pressing is completed, when cleaning the cake residue accumulated in the end plug area of ​​the pressing screw 46, the two telescopic support legs 14 can be pre-controlled to retract, which can then control the partial tilting of the pressing module.

[0026] In Example 3, based on the above examples, a fixed oil frame 15 is fixedly connected between the bottom of the connecting frame 2 and the frame 1. The outer wall of the fixed oil frame 15 is slidably sealed and connected to a movable oil frame 16 fixedly connected to the fixed frame 13. An oil port is provided on the left side of the bottom of the fixed oil frame 15. The lower walls of the inner cavities of the fixed oil frame 15 and the movable oil frame 16 are both inclined to the lower left.

[0027] This design allows the moving oil frame 16 to follow the fixed frame 13, and works with the fixed oil frame 15 to fully cover the area below each elastic pressing cage 42, reliably collect oil, and discharge it stably and quickly from the oil outlet.

[0028] In Example 4, based on the above examples, the elastic press cage 42 is provided with protruding posts 43 on both the front and rear sides of the left end, and the elastic press cage 42 is provided with grooves that are adapted to the protruding posts 43 on both the front and rear sides of the right end. The left wall of the press frame 4 and the arch plate portion on the fixed frame 13 are provided with positioning posts 41 on both the front and rear sides of the left wall, and the right wall of the press frame 4 and the connecting frame 2 are provided with positioning grooves that are adapted to the positioning posts 41 on both the front and rear sides.

[0029] This design facilitates the connection between the right elastic pressing cage 42 and the groove on the left elastic pressing cage 42 via the protrusion 43 during the installation of the pressing module. When the first elastic pressing cage 42 on the left rotates forward and backward, all the other elastic pressing cages 42 on the right can rotate forward and backward synchronously. The pressing frames 4 are connected by positioning posts 41 and positioning grooves. The first pressing frame 4 on the left is connected to the positioning groove on the connecting frame 2 via the positioning post 41, and the first pressing frame 4 on the right is connected to the positioning post 41 on the fixing frame 13 via the positioning groove. This ensures the reliability of the installation of each pressing module after the fixing frame 13 presses and fixes each pressing frame 4.

[0030] In embodiment five, based on the above embodiments, the driving component includes a shaft roller 3 rotatably connected to the middle of the connecting frame 2, the right end of the shaft roller 3 being adapted to slide and engage with the key protrusion 47, a motor being installed on the left wall of the inner cavity of the connecting frame 2, and a transmission belt being movably sleeved between the motor output shaft and the shaft roller 3. The left and right ends of the screw press 46 have matching key protrusions 47 and keyways respectively.

[0031] During peanut pressing, the motor output shaft drives the transmission belt to rotate the roller 3. The roller 3 then uses the key protrusion 47 to drive the first screw 46 on the left to rotate. The remaining screws 46 can rotate synchronously on the same axis through the combination of the key protrusion 47 and the keyway, so as to achieve continuous pressing of peanut raw materials.

[0032] In Example 6, based on the above examples, the support assembly includes a U-shaped bearing frame 21 that is slidably snapped onto the inner wall of the connecting frame 2. Telescopic cylinders 22 are fixedly connected between the inner walls of both sides of the bearing frame 21 and the inner wall of the connecting frame 2. A support rod 23 is movably connected between the bottom of the bearing frame 21 and the connecting frame 2.

[0033] By controlling the extension of the telescopic cylinder 22, the bearing frame 21 is moved to the left, and the support rod 23 is driven to deflect to the upper left. The bearing frame 21 then drives the connecting frame 2 to deflect the hinge rod 11 upward, and the corresponding pressing modules automatically tilt. This makes it easier for the cake residue to be discharged to the right under gravity when cleaning the cake residue in the blockage area inside the pressing chamber.

[0034] In embodiment seven, based on the above embodiments, the cleaning component includes a spray ring 5 fixedly connected to the inner wall of the press frame 4. The inner wall of the spray ring 5 has a circumferential array of spray holes 51. The top of the spray ring 5 is provided with an air pipe 52 extending to the upper wall of the press frame 4. The spray ring 5 is rotatably connected to the outer right side wall of the elastic press cage 42. The inner wall of the elastic press cage 42 has a through groove that is misaligned with the spray holes 51.

[0035] In use, each air pipe 52 is connected in series or in parallel to an external pressurized air source according to the actual working conditions. When it is necessary to clean the cake accumulated in the blockage area inside the pressing chamber, the pressurized air source is controlled to supply air, and the drive component is controlled to drive each elastic pressing cage 42 to rotate in both directions. When the through groove on the elastic pressing cage 42 rotates to the nozzle 51, the nozzle 51 sprays out pressurized air, thereby quickly crushing the accumulated and hard cake in a circular manner for easy discharge.

[0036] In embodiment eight, based on the above embodiments, the drive assembly further includes a turntable 31 fixedly sleeved on the left side of the shaft roller 3. Slots are provided on both the upper and lower sides of the turntable 31. A key tube 32 and a toothed disc 33 are rotatably sleeved on the right side of the shaft roller 3 and fixedly connected to each other. A retaining ring 34 slidably engages on the key tube 32 and is rotatably connected in the bearing frame 21. Two elastic pins 35 corresponding to the slots are slidably engaged on the left wall of the retaining ring 34. An elastic toothed plate 36 capable of meshing with the toothed disc 33 is slidably connected to the rear cavity wall of the connecting frame 2. A toothed ring 44 that meshes with the elastic toothed plate 36 is fixedly connected to the left end of the first elastic pressing cage 42 on the left side. The bearing frame 21 is movably pressed onto the elastic toothed plate 36. The left end of the first pressing screw 46 on the left side expands and connects with the guide ring 45 to form a closed shape.

[0037] The top of the pressing frame 4 has openings on both the front and rear sides. The rear wall of the elastic pressing cage 42 has a stop block that moves against the inner wall of the opening. The stop block is elastically connected to the top rear wall of the pressing frame 4. This design facilitates the initial connection and positioning between the elastic pressing cages 42, and also facilitates the elastic pressing cage 42 to drive the toothed ring 44 to mesh with the elastic toothed plate 36 for installation.

[0038] The initial bearing bracket 21 is movably pressed onto the elastic toothed plate 36, thereby using the elastic toothed plate 36 to drive the toothed ring 44 to keep each elastic pressing cage 42 fixed, preventing the elastic pressing cage 42 from deflecting during normal peanut pressing. After pressing, the control drive assembly drives the shaft roller 3 and each pressing screw 46 to continue rotating, and the turntable 31 is driven to rotate by the shaft roller 3. When the control telescopic cylinder 22 extends and drives the bearing bracket 21 to move to the left, the connecting frame 2 drives the hinge rod 11 to deflect upward, causing each pressing module to automatically tilt. At this time, the retaining ring 34 drives the elastic pin 35 to abut against the turntable 31 and can automatically insert into the rotating turntable. After insertion into the slot on 31, the turntable 31 and the retaining ring 34 rotate synchronously, and the retaining ring 34 drives the key tube 32 to rotate the toothed disc 33. The toothed disc 33 intermittently pushes the elastic toothed plate 36 upward. Under the action of its own elasticity and the elasticity of the elastic pressing cage 42, the elastic toothed plate 36 automatically resets. The corresponding elastic toothed plate 36 meshes with the toothed ring 44 to make each elastic pressing cage 42 rotate in both directions. The stop block on the elastic pressing cage 42 intermittently hits the inner wall of the opening. The elastic pressing cage 42 then uses the vibration force to cooperate with the spray hole 51 to intermittently spray pressurized air to achieve reliable crushing and cleaning of the cake residue accumulated at the blockage.

[0039] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An expandable modular press for edible peanut oil, comprising a frame (1) and hinge rods (11) movably hinged to the front and rear sides of the right top of the frame (1), characterized in that, A fixed frame (13) is slidably engaged on the right side of the hinge rods (11) on both sides. A connecting frame (2) is fixedly connected between the left ends of the hinge rods (11) on both sides. A support component is provided at the bottom of the connecting frame (2) to drive the hinge rods (11) to deflect upward. Several linear arrays of pressing frames (4) are provided on the hinge rods (11). An elastic pressing cage (42) is rotatably connected in the pressing frame (4). A guide ring (45) with two symmetrical protrusions on the inner wall is rotatably connected on both sides of the elastic pressing cage (42). A pressing screw (46) is fixedly connected between the two protrusions. Each elastic pressing cage (42) and the pressing screw (46) rotate synchronously. Adjacent guide rings (45) and pressing screws (46) are movably sealed and abutted. Each of the pressing frames (4) is slidably engaged with the hinge rod (11) and the fixed frame (13). The top of the first pressing frame (4) on the left is fixedly connected to a hopper (48). The inner wall of the pressing frame (4) is provided with a pneumatic crushing and cleaning component. The connecting frame (2) is provided with a drive component that drives each pressing screw (46) to rotate and the elastic pressing cage (42) to rotate in both directions.

2. The expandable modular press for edible peanut oil according to claim 1, characterized in that, The fixed frame (13) is U-shaped and has an arched plate portion that movably abuts against the right side pressing frame (4) at the right end. The middle part of the arched plate portion has a circular cavity corresponding to the guide ring (45), and telescopic support legs (14) are fixedly connected to the front and rear sides of the lower end of the arched plate portion. The left ends of the hinge rods (11) on both sides are rotatably connected to screw rods (12) that are threaded into the fixed frame (13). The left ends of the screw rods (12) on both sides are movably sleeved with a synchronous belt, and a handwheel is provided on the left end of the front screw rod (12).

3. The expandable modular press for edible peanut oil according to claim 2, characterized in that, A fixed oil frame (15) is fixedly connected between the bottom of the connecting frame (2) and the frame (1). The outer wall of the fixed oil frame (15) is slidably sealed and connected to a movable oil frame (16) which is fixedly connected to the fixed frame (13). An oil port is provided on the left side of the bottom of the fixed oil frame (15). The lower walls of the inner cavities of the fixed oil frame (15) and the movable oil frame (16) are both inclined to the lower left.

4. The expandable modular press for edible peanut oil according to claim 3, characterized in that, The elastic press cage (42) has protruding posts (43) on both the front and rear sides of the left end. The elastic press cage (42) has grooves that match the protruding posts (43) on both the front and rear sides of the right end. The press screw (46) has matching key protrusions (47) and key grooves in the middle of the left and right ends respectively. The left wall of the press frame (4) and the arch plate on the fixed frame (13) have positioning posts (41) on both the front and rear sides of the left wall. The right wall of the press frame (4) and the right wall of the connecting frame (2) have positioning grooves that match the positioning posts (41) on both the front and rear sides.

5. The expandable modular press for edible peanut oil according to claim 4, characterized in that, The drive assembly includes a roller (3) rotatably connected to the middle of the connecting frame (2), the right end of the roller (3) is adapted to slide and snap onto the key protrusion (47), a motor is installed on the left wall of the inner cavity of the connecting frame (2), and a transmission belt is movably sleeved between the motor output shaft and the roller (3).

6. The expandable modular press for edible peanut oil according to claim 5, characterized in that, The support assembly includes a U-shaped bearing frame (21) that is slidably snapped onto the inner wall of the connecting frame (2). Telescopic cylinders (22) are fixedly connected between the inner walls on both sides of the bearing frame (21) and the inner wall of the connecting frame (2). A support rod (23) is movably connected between the bottom of the bearing frame (21) and the connecting frame (2).

7. The expandable modular press for edible peanut oil according to claim 6, characterized in that, All of the left-side pressing frames (4) except the first one are equipped with handles on the top. The upper wall of the first elastic pressing cage (42) on the left side is provided with a material trough that connects with the hopper (48). The bottom of the hopper (48) is provided with a sealing plate that moves against the outer periphery of the top of the material trough.

8. The expandable modular press for edible peanut oil according to claim 7, characterized in that, There is a gap between the inner wall of the pressing frame (4) and the outer wall of the elastic pressing cage (42). The pressing frame (4) has openings on both the front and rear sides of the top. The rear wall of the elastic pressing cage (42) has a stop block that movably abuts against the inner wall of the opening. The stop block is elastically connected to the rear wall of the top of the pressing frame (4). The bottom of both the front and rear sides of the pressing frame (4) is provided with slots that are compatible with the hinge rod (11) and the fixing frame (13).

9. The expandable modular press for edible peanut oil according to claim 8, characterized in that, The cleaning assembly includes a spray ring (5) fixedly connected to the inner wall of the press frame (4). The inner wall of the spray ring (5) is provided with a circumferential array of spray holes (51). The top of the spray ring (5) is provided with an air pipe (52) extending to the upper wall of the press frame (4). The spray ring (5) is rotatably connected to the outer right side of the elastic press cage (42). The inner wall of the elastic press cage (42) is provided with a through groove that is misaligned with the spray holes (51).

10. The expandable modular press for edible peanut oil according to claim 9, characterized in that, The drive assembly also includes a turntable (31) fixedly sleeved on the left side of the shaft roller (3). The turntable (31) has slots on both the upper and lower sides. The right side of the shaft roller (3) is rotatably sleeved with a key tube (32) and a toothed disc (33) fixedly connected to each other. A retaining ring (34) rotatably connected in the bearing frame (21) is slidably engaged on the key tube (32). Two elastic pins (35) corresponding to the slots are slidably engaged on the left wall of the retaining ring (34). An elastic toothed plate (36) that can mesh with the toothed disc (33) is slidably connected to the rear cavity wall of the connecting frame (2). A toothed ring (44) that meshes with the elastic toothed plate (36) is fixedly connected to the left end of the first elastic pressing cage (42) on the left. The bearing frame (21) is movably pressed onto the elastic toothed plate (36). The left end of the first pressing screw (46) on the left expands and connects with the guide ring (45) to form a closed shape.

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