CN209851650U - Oil press for grain processing - Google Patents

Abstract

The utility model relates to the technical field of grain processing auxiliary devices, in particular to an oil press for grain processing, which comprises a group of supporting legs, a supporting plate, an oil press main body, a feeding pipe, a discharging pipe, a hopper, an oil tank and an oil pipe; the device also comprises a first front support plate, a first rear support plate, a second front support plate, a second rear support plate, a first roller, a connecting shaft, a front rotating shaft, a second roller, a rear rotating shaft, a rotating rod, a conveying belt, a plurality of groups of partition plates and a bottom plate; the oil press for grain processing is convenient to feed materials into a hopper, and saves manpower; can reduce the residual slag in the oil material, improve the quality of the oil material and improve the use rationality.

Description

Oil press for grain processing

Technical Field

The utility model relates to a technical field of grain processing auxiliary device especially relates to an oil press for grain processing.

Background

As is well known, an oil press for grain processing is a device for pressing grains to obtain grain grease, which is widely used in the field of grain processing; the existing oil press for grain processing comprises a group of supporting legs, a supporting plate, an oil press main body, a feeding pipe, a discharging pipe, a hopper, an oil tank and an oil pipe, wherein the top ends of the group of supporting legs are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom surface of the supporting plate; when the existing oil press for grain processing is used, grains are added into an oil press main body from a hopper, the oil press main body is electrified, the oil press main body presses the grains, oil flows out of a discharge pipe and flows into an oil tank, when more oil exists in the oil tank, an oil pipe is opened, and the oil in the oil tank is filled; in the use of the existing oil press for grain processing, the problem that the grain is inconvenient to add into the main body of the oil press from the hopper due to the higher position of the hopper is found, and manpower is consumed; the oil that the discharging pipe flows out is mixed with the slag charge in, influences the oil quality, and it is relatively poor to use the rationality.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a feeding hopper which can conveniently feed materials into the hopper and save manpower; the oil press for grain processing can reduce residual slag in oil, improve the quality of the oil and improve the rationality of use.

The utility model discloses an oil press for grain processing, including a set of landing leg, a supporting plate, the oil press main part, the inlet pipe, the discharging pipe, the hopper, oil tank and oil pipe, a set of landing leg top respectively with backup pad bottom surface left front side, left rear side, right front side and right rear side are connected, oil press main part bottom and backup pad top surface right half regional connection, oil press main part top surface central zone and bottom surface left half regional intercommunication respectively are provided with inlet pipe and discharging pipe, the inlet pipe top is connected with the hopper bottom, discharging pipe bottom output passes backup pad top surface right half regional, the oil tank is placed under the discharging pipe, the oil tank is inside to be provided with first storage chamber, the oil tank top surface is provided with first opening, first opening communicates with first storage chamber, oil tank bottom surface right half regional intercommunication is provided with oil pipe; the conveying mechanism further comprises a first front support plate, a first rear support plate, a second front support plate, a second rear support plate, a first roller, a connecting shaft, a front rotating shaft, a second roller, a rear rotating shaft, a rotating rod, a conveying belt, a plurality of groups of partition plates and a bottom plate, wherein the bottom end of the first front support plate and the bottom end of the first rear support plate are detachably connected with the ground, the second front support plate and the second rear support plate are respectively connected with the left front side and the left rear side of the top surface of a support plate, the front end of the connecting shaft penetrates through the central area of the rear surface of the first roller, the front end and the rear end of the connecting shaft are respectively connected with the upper half area of the rear surface of the first front support plate and the upper half area of the front surface of the first rear support plate, the rear end of the front rotating shaft penetrates through the upper half area of the front surface of the second front support plate and is connected with the central area of the front surface of the second roller, the front end and the rear end of, the conveying belt is wrapped on the outer side walls of the first roller and the second roller, the bottom end of the bottom plate is connected with the left half area of the top surface of the supporting plate, one ends of the plurality of groups of partition plates are connected with the outer side wall of the conveying belt at intervals, and the right side wall of the bottom plate is in contact with the left side wall of the oil press main body; the filter box comprises a support plate, and is characterized by further comprising a group of front connecting rods, a group of rear connecting rods, a group of front sliding plates, a group of rear sliding plates, a front sliding rod, a rear sliding rod, a filter box, a filter plate, a connecting rod and an oscillating motor, wherein the top ends of the group of front connecting rods and the top ends of the group of rear connecting rods are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom surface of the support plate, the upper half area of the group of front sliding plates is transversely provided with a group of first round holes, the upper half area of the group of rear sliding plates is transversely provided with a group of second round holes, the right end of the front sliding rod penetrates through the group of first round holes, the right end of the rear sliding rod penetrates through the group of second round holes, the bottom ends of the group of front connecting rods are respectively connected with the left half area and the right half area of the top surface, the second opening and the third opening all store the chamber with the second and communicate with each other, and a set of preceding slide bottom is connected with rose box top surface left side front side and right front side respectively, and a set of back slide bottom is connected with rose box top surface left side rear side and right rear side respectively, filter plate left side wall, right side wall, preceding and back respectively with the rose box in the left side wall half down regional, interior right side wall half down regional, interior preceding lateral wall half down regional and interior back side wall half down regional connection, the connecting rod right-hand member is connected with rose box left side wall half up regional, the connecting rod left end is connected with the vibrating motor right-hand member output.

The utility model discloses an oil press for grain processing still includes revolving door and pull rod, the inside first rectangle recess that is provided with of bottom plate, the left side wall is articulated in revolving door left side wall and the first rectangle groove, pull rod rear end and the preceding half regional connection on the right side of revolving door.

The utility model discloses an oil press for grain processing still includes electronic scale and weighing box, the electronic scale is placed in the bottom plate top surface, the inside third that is provided with of weighing box stores the chamber, and weighing box top surface is provided with the fourth opening, and the fourth opening stores the chamber with the third and communicates with each other, the weighing box is placed in the electronic scale top surface.

The utility model discloses an oil press for grain processing still includes the handle, the handle right-hand member is connected with weighing box left side wall central zone.

The utility model discloses an oil press for grain processing still includes left baffle and right baffle, left side baffle bottom and right baffle bottom are connected with half regional on the left side of rose box top surface and half regional on the right side respectively.

The utility model discloses an oil press for grain processing still includes annular plate and apron, annular version top surface is connected with the apron bottom surface, and the apron is placed in the hopper top surface.

The utility model discloses an oil press for grain processing still includes the arm-tie, the arm-tie bottom is connected with the apron top surface.

The utility model discloses an oil press for grain processing still includes a set of universal wheel, a set of universal wheel top is connected with oil tank bottom surface left front side, left rear side, right front side and right rear side respectively.

Compared with the prior art, the beneficial effects of the utility model are that: the grain to be pressed is placed on a group of clapboards at lower positions on a conveyor belt, a rotating rod is rotated, so that the rotating rod drives the front rotating shaft to rotate, the front rotating shaft drives the second roller to rotate, and the second roller is connected with the rear rotating shaft, when the second roller rotates, the second roller and the rear rotating shaft do relative rotation motion, the rotating second roller drives the conveyor belt to move, the conveyor belt drives the first roller to rotate, the rotating first roller rotates along the connecting shaft, so that the conveyor belt drives a group of partition plates loaded with grains to move upwards, when a group of clapboards carrying grains move to the highest position, the grains are taken down and placed on the bottom plate, when the grain content in the oil press main body is reduced, the grain on the bottom plate is added into the oil press main body from the hopper for oil pressing, the grain is conveyed to the bottom plate by rotating the rotating rod, so that labor is saved, and the grain is conveniently fed into the hopper; the oil after extracting oil flows from the discharging pipe, and the oil that flows gets into the rose box, with the oscillating motor circular telegram, the oscillating motor drives the connecting rod and removes to drive about the rose box, grease falls into the oil tank from the filter in with higher speed in the oil, and the slag charge is filtered the oil by the filter interception at the filter top surface, reduces remaining slag charge in the oil, improves the oil quality, improves and uses the rationality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a partial enlarged view of portion B of FIG. 1;

FIG. 4 is a left side view schematic diagram of the front slide plate, the front slide bar, the filter box and the oscillating motor;

in the drawings, the reference numbers: 1. a support leg; 2. a support plate; 3. an oil press main body; 4. a feed pipe; 5. a discharge pipe; 6. a hopper; 7. an oil tank; 8. an oil pipe; 9. a first front support plate; 10. a second front support plate; 11. a first roller; 12. a connecting shaft; 13. a front rotating shaft; 14. a second roller; 15. a rotating rod; 16. a conveyor belt; 17. a partition plate; 18. a base plate; 19. a front link; 20. a front slide plate; 21. a front slide bar; 22. a filter box; 23. a filter plate; 24. a connecting rod; 25. an oscillating motor; 26. a revolving door; 27. a pull rod; 28. an electronic scale; 29. a weighing box; 30. a handle; 31. a left baffle; 32. an annular plate; 33. a cover plate; 34. pulling a plate; 35. a universal wheel.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the oil press for grain processing of the present invention comprises a set of supporting legs 1, a supporting plate 2, an oil press body 3, a feeding pipe 4, a discharging pipe 5, the top ends of a group of supporting legs 1 are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom surface of the supporting plate 2, the bottom end of the oil press main body 3 is connected with the right half area of the top surface of the supporting plate 2, the central area of the top surface of the oil press main body 3 and the left half area of the bottom surface of the oil press main body are respectively communicated with a feeding pipe 4 and a discharging pipe 5, the top end of the feeding pipe 4 is connected with the bottom end of the hopper 6, the output end of the bottom end of the discharging pipe 5 penetrates through the right half area of the top surface of the supporting plate 2, the oil tank 7 is placed under the discharging pipe 5, a first storage cavity is arranged inside the oil tank 7, a first opening is arranged on; the device also comprises a first front support plate 9, a first rear support plate, a second front support plate 10, a second rear support plate, a first roller 11, a connecting shaft 12, a front rotating shaft 13, a second roller 14, a rear rotating shaft, a rotating rod 15, a conveyor belt 16, a plurality of groups of partition plates 17 and a bottom plate 18, wherein the bottom end of the first front support plate 9 and the bottom end of the first rear support plate are detachably connected with the ground, the second front support plate 10 and the second rear support plate are respectively connected with the left front side and the left rear side of the top surface of the support plate 2, the front end of the connecting shaft 12 penetrates through the central area behind the first roller 11, the front end and the rear end of the connecting shaft 12 are respectively connected with the upper half area behind the first front support plate 9 and the upper half area in front of the first rear support plate, the rear end of the front rotating shaft 13 penetrates through the upper half area in front of the second front support plate 10 and is connected with the central area in front of the second roller 14, and the front, the left end of a rotating rod 15 is connected with the front half area of the right side wall of a front rotating shaft 13, a conveyor belt 16 is wrapped on the outer side walls of a first roller 11 and a second roller 14, the bottom end of a bottom plate 18 is connected with the left half area of the top surface of a supporting plate 2, one ends of a plurality of groups of partition plates 17 are connected with the outer side wall of the conveyor belt 16 at intervals, and the right side wall of the bottom plate 18 is in contact with the left side wall of an oil press; the device also comprises a group of front connecting rods 19, a group of rear connecting rods, a group of front sliding plates 20, a group of rear sliding plates, a front sliding rod 21, a rear sliding rod, a filter box 22, a filter plate 23, a connecting rod 24 and an oscillating motor 25, wherein the top ends of the group of front connecting rods 19 and the group of rear connecting rods are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom surface of the support plate 2, the upper half area of the group of front sliding plates 20 is transversely provided with a group of first round holes, the upper half area of the group of rear sliding plates is transversely provided with a group of second round holes, the right end of the front sliding rod 21 passes through the group of first round holes, the right end of the rear sliding rod passes through the group of second round holes, the bottom ends of the group of front connecting rods 19 are respectively connected with the left half area and the right half area of the top surface of the front sliding rods 21, the bottom ends of the group of, the second opening and the third opening are communicated with a second storage cavity, the bottom ends of a group of front sliding plates 20 are respectively connected with the left front side and the right front side of the top surface of a filter box 22, the bottom ends of a group of rear sliding plates are respectively connected with the left rear side and the right rear side of the top surface of the filter box 22, the left side wall, the right side wall, the front side and the rear side of a filter plate 23 are respectively connected with the lower half area of the left side wall, the lower half area of the inner right side wall, the lower half area of the inner front side wall and the lower half area of the inner rear side wall in the filter box 22, the right end of a connecting rod 24 is connected with the upper half area of the left side wall of the filter box 22; the grain to be pressed is placed on a group of clapboards at lower positions on a conveyor belt, a rotating rod is rotated, so that the rotating rod drives the front rotating shaft to rotate, the front rotating shaft drives the second roller to rotate, and the second roller is connected with the rear rotating shaft, when the second roller rotates, the second roller and the rear rotating shaft do relative rotation motion, the rotating second roller drives the conveyor belt to move, the conveyor belt drives the first roller to rotate, the rotating first roller rotates along the connecting shaft, so that the conveyor belt drives a group of partition plates loaded with grains to move upwards, when a group of clapboards carrying grains move to the highest position, the grains are taken down and placed on the bottom plate, when the grain content in the oil press main body is reduced, the grain on the bottom plate is added into the oil press main body from the hopper for oil pressing, the grain is conveyed to the bottom plate by rotating the rotating rod, so that labor is saved, and the grain is conveniently fed into the hopper; the oil after extracting oil flows from the discharging pipe, and the oil that flows gets into the rose box, with the oscillating motor circular telegram, the oscillating motor drives the connecting rod and removes to drive about the rose box, grease falls into the oil tank from the filter in with higher speed in the oil, and the slag charge is filtered the oil by the filter interception at the filter top surface, reduces remaining slag charge in the oil, improves the oil quality, improves and uses the rationality.

The utility model discloses an oil press for grain processing, still include revolving door 26 and pull rod 27, the inside of bottom plate 18 is provided with the first rectangle recess, and revolving door 26 left side wall is articulated with the interior left side wall of first rectangle recess, and pull rod 27 rear end is connected with the front right half region of revolving door 26; grain is stored in the first rectangular groove, the revolving door is directly opened and taken out during use, and the revolving door is closed when the revolving door is not used.

The utility model discloses an oil press for grain processing, still include electronic scale 28 and weighing box 29, electronic scale 28 places in bottom plate 18 top surface, and weighing box 29 is inside to be provided with the third storage chamber, and weighing box 29 top surface is provided with the fourth opening, and the fourth opening communicates with each other with the third storage chamber, and weighing box 29 places in electronic scale 28 top surface; grain is placed in the weighing box and is weighed through the electronic scale, and the grain weight in the oil press main body is added in the control, improves the use reliability.

The utility model discloses an oil press for grain processing, which also comprises a handle 30, wherein the right end of the handle 30 is connected with the central area of the left side wall of the weighing box 29; the handle is convenient for take the weighing box, is convenient for pour grain into the hopper.

The utility model discloses an oil press for grain processing, which also comprises a left baffle 31 and a right baffle, wherein the bottom end of the left baffle 31 and the bottom end of the right baffle are respectively connected with the left half area and the right half area of the top surface of the filter box 22; left baffle and right baffle block the rose box from the left and right sides respectively, reduce the oil that the filter leaks and throw away the oil tank outside, improve the use rationality.

The utility model discloses an oil press for grain processing, which also comprises an annular plate 32 and a cover plate 33, wherein the top surface of the annular plate is connected with the bottom surface of the cover plate 33, and the cover plate 33 is arranged on the top surface of the hopper 6; when the oil press main part is not used, the cover plate is covered on the hopper, so that external dust is reduced to enter the oil press main part, and meanwhile, the annular plate reduces the cover plate to slide from the top surface of the hopper.

The utility model discloses an oil press for grain processing, which also comprises a pulling plate 34, wherein the bottom end of the pulling plate 34 is connected with the top surface of a cover plate 33; the apron of being convenient for take by the arm-tie improves the practicality of use.

The utility model discloses an oil press for grain processing, which also comprises a group of universal wheels 35, wherein the top ends of the group of universal wheels 35 are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom surface of an oil tank 7; when the oil tank is filled with more oil, the oil tank can be conveniently pulled out by the universal wheels, and the oil tank can be replaced.

The utility model relates to an oil press for grain processing, when in operation, the grain to be pressed is placed on a group of baffle plates at lower positions suitable for being placed on a conveyor belt, a rotating rod is rotated to drive a front rotating shaft to rotate, the front rotating shaft drives a second roller to rotate, because the second roller is connected with a rear rotating shaft, when the second roller rotates, the second roller and the rear rotating shaft do relative rotation motion, the rotating second roller drives the conveyor belt to move, the conveyor belt drives a first roller to rotate, the rotating first roller rotates along a connecting shaft, the conveyor belt drives a group of baffle plates loaded with the grain to move upwards, when the group of baffle plates loaded with the grain move to the highest position, the grain is taken down and placed on a bottom plate, when the content of the grain in the oil press main body is reduced, the grain on the bottom plate is added into the oil press main body from a hopper to press the oil main body to press the oil, the grain is conveyed to the bottom plate by rotating the rotating rod, so that labor is saved, and the grain is conveniently fed into the hopper; the oil after being pressed flows out of the discharging pipe, the oil flows into the filter box, the oscillation motor is electrified, the oscillation motor drives the connecting rod to move left and right, so that the filter box is driven to move left and right, oil in the oil falls into the oil tank from the filter plate, the slag is intercepted on the top surface of the filter plate by the filter plate, the oil is filtered, the residual slag in the oil is reduced, the quality of the oil is improved, and the use rationality is improved; grain is stored in the first rectangular groove, the revolving door is directly opened and taken out when the grain storage box is used, and the revolving door is closed when the grain storage box is not used; the grain is placed in the weighing box and weighed by the electronic scale, the weight of the grain added into the main body of the oil press is controlled, and the use reliability is improved; the handle is convenient for taking the weighing box and pouring grains into the hopper; the left baffle and the right baffle respectively block the filter box from the left side and the right side, so that oil leaked by the filter plates is prevented from being thrown out of the outer side of the oil tank, and the use rationality is improved; when the oil press main body is not used, the cover plate covers the hopper, so that external dust is reduced from entering the inside of the oil press main body, and meanwhile, the annular plate reduces the cover plate from sliding off the top surface of the hopper; the pull plate is convenient for taking the cover plate, so that the use practicability is improved; when the oil tank is filled with more oil, the oil tank can be conveniently pulled out by the universal wheels, and the oil tank can be replaced.

The utility model discloses used vibrating motor purchase in the market, has used according to the service instruction of wearing to send and has posted

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. An oil press for grain processing comprises a group of supporting legs (1), a supporting plate (2), an oil press main body (3), a feeding pipe (4), a discharging pipe (5), a hopper (6), an oil tank (7) and an oil pipe (8), wherein the top ends of the group of supporting legs (1) are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom surface of the supporting plate (2), the bottom end of the oil press main body (3) is connected with the right half area of the top surface of the supporting plate (2), the central area of the top surface and the left half area of the bottom surface of the oil press main body (3) are respectively communicated with the feeding pipe (4) and the discharging pipe (5), the top end of the feeding pipe (4) is connected with the bottom end of the hopper (6), the output end of the bottom end of the discharging pipe (5) penetrates through the right half area of the top surface of, a first opening is formed in the top surface of the oil tank (7), the first opening is communicated with the first storage cavity, and an oil pipe (8) is communicated with the right half area of the bottom surface of the oil tank (7); the device is characterized by further comprising a first front support plate (9), a first rear support plate, a second front support plate (10), a second rear support plate, a first roller (11), a connecting shaft (12), a front rotating shaft (13), a second roller (14), a rear rotating shaft, a rotating rod (15), a conveyor belt (16), a plurality of groups of partition plates (17) and a bottom plate (18), wherein the bottom end of the first front support plate (9) and the bottom end of the first rear support plate are detachably connected with the ground, the second front support plate (10) and the second rear support plate are respectively connected with the left front side and the left rear side of the top surface of the support plate (2), the front end of the connecting shaft (12) penetrates through the central area behind the first roller (11), the front end and the rear end of the connecting shaft (12) are respectively connected with the upper half area behind the first front support plate (9) and the upper half area in front of the first rear support plate, the rear end of the front rotating shaft (13) penetrates through the upper half area in front of the second front, the front end and the rear end of the rear rotating shaft are respectively connected with a central area behind a second roller (14) and an upper area in front of a second rear supporting plate in a shaft mode, the left end of a rotating rod (15) is connected with a front half area of the right side wall of a front rotating shaft (13), the conveying belt (16) wraps the outer side walls of the first roller (11) and the second roller (14), the bottom end of a bottom plate (18) is connected with a left half area of the top surface of the supporting plate (2), one ends of a plurality of groups of partition plates (17) are connected with the outer side wall of the conveying belt (16) at intervals, and the right side wall of the bottom plate (18) is contacted with the left side wall of the; the device is characterized by further comprising a group of front connecting rods (19), a group of rear connecting rods, a group of front sliding plates (20), a group of rear sliding plates, front sliding rods (21), rear sliding rods, a filter box (22), a filter plate (23), a connecting rod (24) and an oscillating motor (25), wherein the top ends of the group of front connecting rods (19) and the group of rear connecting rods are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom surface of the support plate (2), the upper half area of the group of front sliding plates (20) is transversely provided with a group of first round holes, the upper half area of the group of rear sliding plates is transversely provided with a group of second round holes, the right end of each front sliding rod (21) penetrates through the group of first round holes, the right end of each rear sliding rod penetrates through the group of second round holes, the bottom ends of the group of front connecting rods (19) are respectively connected with the left half area and, the filter box is characterized in that a second storage cavity is arranged inside the filter box (22), a second opening and a third opening are respectively formed in the top surface and the bottom surface of the filter box (22), the second opening and the third opening are communicated with the second storage cavity, the bottom ends of a group of front sliding plates (20) are respectively connected with the left front side and the right front side of the top surface of the filter box (22), the bottom ends of a group of rear sliding plates are respectively connected with the left rear side and the right rear side of the top surface of the filter box (22), the left side wall, the right side wall, the front surface and the rear surface of the filter plate (23) are respectively connected with the lower half area of the inner left side wall, the lower half area of the inner right side wall, the lower half area of the inner front side wall and the lower half area of the inner rear side wall in the filter box (22), the right end of the connecting rod (24) is connected with the upper half area of the left side wall.

2. The oil press for grain processing as claimed in claim 1, further comprising a swing door (26) and a pull rod (27), wherein a first rectangular groove is formed in the bottom plate (18), the left side wall of the swing door (26) is hinged to the inner left side wall of the first rectangular groove, and the rear end of the pull rod (27) is connected to the right half region in front of the swing door (26).

3. The oil press for grain processing as recited in claim 2, further comprising an electronic scale (28) and a weighing tank (29), wherein said electronic scale (28) is placed on the top surface of said bottom plate (18), said weighing tank (29) is internally provided with a third storage chamber, the top surface of said weighing tank (29) is provided with a fourth opening, said fourth opening is communicated with said third storage chamber, said weighing tank (29) is placed on the top surface of said electronic scale (28).

4. An oil press for grain processing according to claim 3, characterised in that it further comprises a handle (30), the right end of said handle (30) being connected to the central region of the left side wall of the weighing compartment (29).

5. The oil press for grain processing as claimed in claim 4, further comprising a left baffle plate (31) and a right baffle plate, wherein the bottom end of said left baffle plate (31) and the bottom end of said right baffle plate are connected to the left half area and the right half area of the top surface of said filter box (22), respectively.

6. An oil press for grain processing according to claim 5, further comprising a ring plate (32) and a cover plate (33), wherein the top surface of the ring plate is connected to the bottom surface of the cover plate (33), and the cover plate (33) is placed on the top surface of the hopper (6).

7. An oil press for grain processing as claimed in claim 6, further comprising a pull plate (34), wherein the bottom end of said pull plate (34) is connected to the top surface of said cover plate (33).

8. The oil press for grain processing as claimed in claim 7, further comprising a set of universal wheels (35), wherein the top ends of said set of universal wheels (35) are connected to the left front side, the left rear side, the right front side and the right rear side of the bottom surface of the oil tank (7), respectively.