CN115520672B

CN115520672B - Closed feeding device

Info

Publication number: CN115520672B
Application number: CN202211196366.1A
Authority: CN
Inventors: 袁强; 汪健; 吴海龙; 鲍学全; 马俊
Original assignee: Anhui Songyu Biological System Engineering Co ltd
Current assignee: Anhui Songyu Biological System Engineering Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2024-06-04
Anticipated expiration: 2042-09-29
Also published as: CN115520672A

Abstract

The invention provides a closed type feeding device, belongs to the technical field of feeding, and is used for solving the problems that dust-free feeding and low feeding efficiency of bagged powder are difficult to carry out. The automatic feeding device comprises an L-shaped vertical plate and a blanking assembly, wherein a connecting block is fixed on the L-shaped vertical plate, a feeding assembly is arranged on one side of the L-shaped vertical plate, a collecting assembly is arranged on the other side of the L-shaped vertical plate, the blanking assembly comprises a rotating plate and a connecting column, the rotating plate is hinged to the connecting block, a blanking box is fixed on the front side of the rotating plate, a discharging pipe is fixed on the side face of the blanking box, a mounting plate is fixed on the rear side of the rotating plate, an electric push rod is fixed on the mounting plate, a lifting plate is fixed at the end part of the electric push rod, a connecting rod is fixed on the lifting plate, clamping plates are fixed at the two ends of the connecting rod, the connecting column is fixed between the feeding assembly and the collecting assembly, a multi-stage electric push rod is rotatably arranged on the connecting column, and the end part of the multi-stage electric push rod is hinged to the mounting plate; the invention can carry out dust-free feeding on the bagged powder and improve the feeding efficiency of the bagged powder.

Description

Closed feeding device

Technical Field

The invention belongs to the technical field of feeding, and relates to a feeding device, in particular to a closed feeding device.

Background

In our daily life, many foods are ground into powder for preservation and use because of the production and processing requirements, edible materials such as similar flour, chinese herbal medicines, food additives and the like which are ground into powder are called food powder, the food powder is often transported in actual production and processing, the existing food powder is transported after being packaged by adopting a packaging bag, in the food batch production process, the packaged powder is usually required to be manually transported or lifted to a specified position, the packaging bag is cut open, the powdery food materials in the packaging bag are put into a device such as a funnel, and then the powder is poured into a corresponding stirring tank by the device such as the funnel for stirring and processing.

The existing bagged powder throwing mode is carried in a manual mode or a mode of manual and mechanical matching, then a packaging bag is cut open manually, powder is thrown, labor intensity is high, dust is easily produced in the throwing process, physical health of workers is affected, the workshop environment is greatly affected, meanwhile, the throwing speed is low, the throwing efficiency is low, batch production of foods is not facilitated, and therefore the closed type throwing device is provided.

Disclosure of Invention

The invention aims at solving the problems in the prior art, and provides a closed feeding device, which aims at solving the technical problems that: how to carry out dust-free feeding on the bagged powder and improve the feeding efficiency of the bagged powder.

The aim of the invention can be achieved by the following technical scheme:

The utility model provides a closed feeding device, including L type riser and blanking subassembly, be fixed with the connecting block on the L type riser, one side of L type riser is provided with feeding subassembly, the opposite side of L type riser is provided with collecting assembly, blanking subassembly includes rotor plate and spliced pole, the rotor plate articulates on the connecting block, the front side of rotor plate is fixed with down the workbin, the inside of unloading case is fixed with the baffle, two slip draw-in grooves and two jacks have all been seted up on unloading case and the baffle, the side of unloading case is the funnel type, the side of unloading case is fixed with the discharging pipe, be fixed with the material throwing valve on the discharging pipe, the end fixing of discharging pipe has the joint end, be fixed with the cutter on the inner wall of unloading case, the rear side of rotor plate is fixed with the mounting panel, the top of mounting panel is fixed with electric putter, electric putter's end fixing has the lifter plate, be fixed with the connecting rod on the lifter plate, the both ends of connecting rod all are fixed with the cardboard, the cardboard slides and sets up on the slip draw-in groove of corresponding position, the below of unloading case is fixed with two inserted bars, the tip of inserted bar is the taper type, two inserted bars slide respectively sets up at the inside connection of corresponding position at corresponding position, electric putter end fixing between the collecting assembly, the electric putter is connected with the end on the multi-stage hinge.

The working principle of the invention is as follows: the feeding assembly is placed in the bagged powder, the electric push rod drives the lifting plate to lift, the lifting plate drives the connecting rod to lift, the connecting rod drives the collecting assembly to remove the blocking, simultaneously, the connecting rod drives the two clamping plates and the two inserting rods to lift, the two clamping plates lift to remove the sealing of the blanking box, the two inserting rods lift to be separated from the powder packaging bag, the feeding assembly pushes the bagged powder into the blanking box, the feeding assembly pushes the empty packaging bag after unloading into the collecting assembly, simultaneously, the cutter cuts the side face of the bagged powder newly entering the blanking box, the feeding assembly moves reversely, the bagged powder is left in the blanking box, the electric push rod drives the lifting plate to descend, the lifting plate drives the connecting rod to descend, the connecting rod drives the collecting assembly to seal the blocking, simultaneously, the connecting rod drives the two clamping plates and the two inserting rods to descend, the two clamping plates descend to seal the blanking box, the two inserting rods descend to be inserted into the interior of the powder packaging bag, the multistage electric push rod drives the mounting plate to rotate 90 degrees, the blanking box is driven by 90 degrees, the blanking box drives the discharging pipe to rotate, and the discharging pipe drives the clamping end to rotate 90 degrees, and then the corresponding stirring tank is inserted into the stirring tank to open the stirring tank, and the stirring valve inside the stirring tank is opened, and the stirring tank is filled into the stirring tank.

The collecting assembly comprises a collecting box, the collecting box is fixed on the other side of the L-shaped vertical plate, a collecting box is slidably arranged in the other side of the L-shaped vertical plate, a collecting opening is formed in the side face of the collecting box, a lifting partition plate is slidably arranged above the collecting box, the lifting partition plate is attached to the inner wall of the collecting box, an extrusion rod is fixed on the side face of the lifting partition plate, and the extrusion rod is located above the connecting rod.

By adopting the structure, the connecting rod drives the extrusion rod to rise, the extrusion rod drives the lifting partition plate to rise, the lifting partition plate releases the sealing of the collecting port, the feeding assembly pushes the empty packaging bag after discharging into the collecting port, and the empty packaging bag falls into the collecting box from the collecting port to collect.

The feeding assembly comprises a feeding box and a driven roller, the feeding box is fixed on one side of the L-shaped vertical plate, a feeding hole is formed in the end portion of the feeding box, a bottom plate is fixed below the feeding box, two support plates are fixed above the bottom plate, a driving roller is rotatably arranged between the two support plates, the driven roller is rotatably arranged inside the feeding box, a conveying belt is arranged on the driving roller and the driven roller, the conveying belt is located inside the feeding hole, a conveying motor is fixed on the side face of one support plate, and an output shaft of the conveying motor is connected with the driving roller through a coupling.

By adopting the structure, the bagged powder is placed on the conveying belt, the conveying motor drives the driving roller to rotate through the output shaft, the driving roller drives the conveying belt to move, and the conveying belt drives the bagged powder to move into the feeding box.

The feeding assembly further comprises a hydraulic cylinder and an L-shaped communication square tube, the L-shaped communication square tube is fixed in the feeding box, the hydraulic cylinder is fixed at the bottom of the feeding box, the end portion of the hydraulic cylinder is fixedly provided with a lifting plate, the lifting plate is slidably arranged in the L-shaped communication square tube, a feeding opening is formed in the side face of the feeding box, a threaded rod is rotatably arranged in the feeding box, an extension block and a feeding frame are connected to the threaded rod in a threaded mode, the extension block is fixed on one side of the feeding frame, a unidirectional hinge plate is hinged to the other side of the feeding frame in a unidirectional mode, reserved grooves are formed in the unidirectional hinge plate and the feeding frame, the reserved grooves are located on the same level with a cutter, the feeding frame is slidably arranged above the L-shaped communication square tube, the feeding frame is slidably arranged on the feeding opening, a pushing motor is fixed on the side face of the feeding box, and an output shaft of the pushing motor is connected with the threaded rod through a coupler.

By adopting the structure, the conveyer belt drives the bagged powder to move to the lifting plate, the lifting plate drives the lifting plate to rise, the lifting plate drives the bagged powder to rise to the inside of the feeding frame, the pushing motor drives the threaded rod to rotate through the output shaft, the threaded rod drives the extension block and the feeding frame to move, the extension block and the feeding frame drive the bagged powder to move to the inside of the blanking box, the cutter cuts the side face of the bagged powder newly entering the blanking box, the one-way hinged plate pushes the empty packaging bag which is discharged to be moved to the inside of the collecting opening, after the bagged powder completely moves to the inside of the blanking box, the pushing motor drives the threaded rod to reversely rotate through the output shaft, the threaded rod drives the extension block and the feeding frame to reversely move, the feeding frame drives the one-way hinged plate to upwardly rotate, the bagged powder is prevented from being extruded, and after the one-way hinged plate moves out of the blanking box, gravity drives the one-way hinged plate to restore to the original position.

The connecting column is fixed between collection case and feeding case, and the cross-section of connecting rod and extrusion pole is the arc, and the cross-section arc opposite direction of connecting rod and extrusion pole, and the top of L type riser is fixed with the control box, control box and propelling movement motor, conveying motor, throw the material valve, multistage electric putter, electric putter and pneumatic cylinder electric connection.

By adopting the structure, the control box can control the pushing motor, the conveying motor, the feeding valve, the multi-stage electric push rod, the electric push rod and the hydraulic cylinder to open and close, the arc directions of the sections of the connecting rod and the extrusion rod are opposite, and the connecting rod is prevented from mutually limiting collision with the extrusion rod when moving.

Compared with the prior art, the closed feeding device has the following advantages:

1. Through blanking subassembly and feeding subassembly cooperation, the powder in bags carries many times through conveyer belt, lift board and pay-off frame to carry the powder in bags to the inside of unloading case, the cutter opens the powder in bags side, conveniently throws the material, and two cardboard decline is airtight to the unloading case, and two inserted bars decline insert the powder wrapping bag in inside, fix the powder wrapping bag, behind the multistage electric putter drive unloading case rotation 90 degrees, carry out the blanking, two cardboard avoid the dust to float down when blanking, simultaneously, realize automatic to the bagging material package open throw the material, need not artifical the participation, improved the material speed of throwing;

2. The feeding component is matched with the collecting component, so that the bagged raw materials can be automatically fed and the hole packaging bags with the dumping completion can be automatically collected, manual carrying is not needed, the labor intensity is reduced, and the feeding efficiency is improved.

Drawings

FIG. 1 is a schematic view of the front side perspective of the present invention;

FIG. 2 is a rear side perspective view of the present invention;

FIG. 3 is a schematic perspective view of a blanking assembly of the present invention;

FIG. 4 is a schematic cross-sectional view of a blanking assembly of the present invention;

FIG. 5 is a schematic perspective view of a collection assembly of the present invention;

FIG. 6 is a schematic view of a transverse cross-sectional configuration of a feed assembly of the present invention;

FIG. 7 is a schematic view of a longitudinal cross-sectional configuration of a feed assembly of the present invention;

In the figure: 1. a feed box; 2. pushing a motor; 3. a feed inlet; 4. a bottom plate; 5. a conveying motor; 6. a support plate; 7. a conveyor belt; 8. a collection box; 9. a material collecting box; 10. the clamping end is connected; 11. a feeding valve; 12. a baffle; 13. discharging boxes; 14. an L-shaped vertical plate; 15. a connecting block; 16. a rotating plate; 17. a multi-stage electric push rod; 18. a connecting column; 19. a mounting plate; 20. an electric push rod; 21. a lifting plate; 22. a clamping plate; 23. a connecting rod; 24. a rod; 25. a cutter; 26. lifting the partition plate; 27. an extrusion rod; 28. a collection port; 29. a threaded rod; 30. a reserved groove; 31. a lifting plate; 32. a hydraulic cylinder; 33. an extension block; 34. driven roller; 35. a drive roll; 36. l-shaped communicated square tubes; 37. a feeding frame; 38. a control box; 39. and a unidirectional hinge plate.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Referring to fig. 1-7, this embodiment provides a closed feeding device, including L type riser 14 and blanking subassembly, be fixed with connecting block 15 on the L type riser 14, one side of L type riser 14 is provided with feeding subassembly, the opposite side of L type riser 14 is provided with collecting subassembly, the blanking subassembly includes rotor plate 16 and spliced pole 18, rotor plate 16 articulates on connecting block 15, the front side of rotor plate 16 is fixed with blanking box 13, the inside of blanking box 13 is fixed with baffle 12, two slip draw-in grooves and two jacks have all been seted up on blanking box 13 and the baffle 12, the side of blanking box 13 is the funnel type, the side of blanking box 13 is fixed with the discharging pipe, be fixed with feeding valve 11 on the discharging pipe, the tip of discharging pipe is fixed with joint end 10, be fixed with cutter 25 on the inner wall of blanking box 13, the rear side of rotor plate 16 is fixed with mounting panel 19, the top of mounting panel 19 is fixed with electric putter 20, the tip of electric putter 20 is fixed with lifter plate 21, be fixed with connecting rod 23 on the lifter plate 21, the both ends of connecting rod 23 are all fixed with cardboard 22, the cardboard 22 that slides in the corresponding position on the electric putter 18 is fixed with the electric putter 18 on the inside of spliced pole 17, the corresponding position of the electric putter is fixed with the jack 24, the end of the multistage connection rod is arranged at the end of the jack between the electric putter 17.

The bagged powder is put into the feeding component, the electric push rod 20 drives the lifting plate 21 to ascend, the lifting plate 21 drives the connecting rod 23 to ascend, the connecting rod 23 drives the collecting component to release the blocking, meanwhile, the connecting rod 23 drives the two clamping plates 22 and the two inserting rods 24 to ascend, the two clamping plates 22 ascend to release the sealing of the blanking box 13, the two inserting rods 24 ascend to withdraw from the powder packaging bag, the feeding component pushes the bagged powder into the blanking box 13, the feeding component pushes the empty packaging bag after unloading into the collecting component, meanwhile, the cutter 25 cuts the side face of the bagged powder newly entering the blanking box 13, the feeding component moves reversely, the bagged powder is left in the blanking box 13, the electric push rod 20 drives the lifting plate 21 to descend, the connecting rod 23 drives the connecting rod 23 to descend, the collecting component to seal the blocking, meanwhile, the connecting rod 23 drives the two clamping plates 22 and the two inserting rods 24 to descend, the two inserting rods 24 descend into the blanking box 13, the electric push rod 17 drives the 19 to rotate 90 degrees, the mounting plate drives the blanking box 13 to rotate, the stirring pipe is rotated to rotate, the inner end of the stirring pipe is inserted into the blanking box 13, and the stirring pipe is rotated to be inserted into the stirring pipe is rotated to be corresponding to the inner part of the stirring pipe 11, and the stirring pipe is rotated to be opened.

The collecting assembly comprises a collecting box 9, the collecting box 9 is fixed on the other side of the L-shaped vertical plate 14, a collecting box 8 is arranged in the other side of the L-shaped vertical plate 14 in a sliding manner, a collecting opening 28 is formed in the side face of the collecting box 9, a lifting partition plate 26 is arranged above the collecting box 9 in a sliding manner, the lifting partition plate 26 is attached to the inner wall of the collecting box 9, an extrusion rod 27 is fixed on the side face of the lifting partition plate 26, and the extrusion rod 27 is located above the connecting rod 23; the connecting rod 23 drives the extrusion rod 27 to rise, the extrusion rod 27 drives the lifting partition plate 26 to rise, the lifting partition plate 26 releases the sealing of the collecting opening 28, the feeding assembly pushes the empty packaging bags after unloading into the collecting opening 28, and the empty packaging bags fall into the collecting box 8 from the collecting opening 28 to collect the empty packaging bags.

The feeding assembly comprises a feeding box 1 and a driven roller 34, the feeding box 1 is fixed on one side of an L-shaped vertical plate 14, a feeding hole 3 is formed in the end portion of the feeding box 1, a bottom plate 4 is fixed below the feeding box 1, two support plates 6 are fixed above the bottom plate 4, a driving roller 35 is rotatably arranged between the two support plates 6, the driven roller 34 is rotatably arranged in the feeding box 1, conveying belts 7 are arranged on the driving roller 35 and the driven roller 34, the conveying belts 7 are positioned in the feeding hole 3, a conveying motor 5 is fixed on the side face of one support plate 6, and an output shaft of the conveying motor 5 is connected with the driving roller 35 through a coupler; the bagged powder is placed on a conveying belt 7, a conveying motor 5 drives a driving roller 35 to rotate through an output shaft, the driving roller 35 drives the conveying belt 7 to move, and the conveying belt 7 drives the bagged powder to move into the feeding box 1.

The feeding assembly further comprises a hydraulic cylinder 32 and an L-shaped communication square tube 36, the L-shaped communication square tube 36 is fixed in the feeding box 1, the hydraulic cylinder 32 is fixed at the bottom of the feeding box 1, a lifting plate 31 is fixed at the end part of the hydraulic cylinder 32, the lifting plate 31 is slidably arranged in the L-shaped communication square tube 36, a feeding port is formed in the side face of the feeding box 1, a threaded rod 29 is rotatably arranged in the feeding box 1, an extension block 33 and a feeding frame 37 are connected to the threaded rod 29 in a threaded manner, the extension block 33 is fixed on one side of the feeding frame 37, a one-way hinged plate 39 is hinged to the other side of the feeding frame 37 in a one-way manner, a reserved groove 30 is formed in each of the one-way hinged plate 39 and the feeding frame 37, the reserved groove 30 is in the same level with a cutter 25, the feeding frame 37 is slidably arranged above the L-shaped communication square tube 36, the feeding frame 37 is slidably arranged on the feeding port, the side face of the feeding box 1 is fixedly provided with a pushing motor 2, and an output shaft of the pushing motor 2 is connected with the threaded rod 29 through a coupling; the conveyer belt 7 drives the bagged powder to move to the lifting plate 31, the lifting plate 31 drives the lifting plate 31 to ascend, the lifting plate 31 drives the bagged powder to ascend to the inside of the feeding frame 37, the push motor 2 drives the threaded rod 29 to rotate through the output shaft, the threaded rod 29 drives the extension block 33 and the feeding frame 37 to move, the extension block 33 and the feeding frame 37 drive the bagged powder to move to the inside of the blanking box 13, the cutter 25 cuts the side face of the bagged powder newly entering the blanking box 13, the one-way hinged plate 39 pushes the empty packaged bag after unloading to move to the inside of the collecting port 28, after the bagged powder completely moves to the inside of the blanking box 13, the push motor 2 drives the threaded rod 29 to reversely rotate through the output shaft, the threaded rod 29 drives the extension block 33 and the feeding frame 37 to reversely move, the one-way hinged plate 39 upwardly rotates to avoid squeezing the bagged powder, and after the one-way hinged plate 39 moves out of the blanking box 13, gravity drives the one-way hinged plate 39 to restore to the original position.

The connecting column 18 is fixed between the material collecting box 9 and the material feeding box 1, the cross sections of the connecting rod 23 and the extrusion rod 27 are arc-shaped, the arc directions of the cross sections of the connecting rod 23 and the extrusion rod 27 are opposite, a control box 38 is fixed above the L-shaped vertical plate 14, and the control box 38 is electrically connected with the pushing motor 2, the conveying motor 5, the material feeding valve 11, the multi-stage electric push rod 17, the electric push rod 20 and the hydraulic cylinder 32; the control box 38 can control the pushing motor 2, the conveying motor 5, the feeding valve 11, the multi-stage electric push rod 17, the electric push rod 20 and the hydraulic cylinder 32 to be opened and closed, the arc-shaped cross sections of the connecting rod 23 and the extruding rod 27 are opposite in direction, and the connecting rod 23 is prevented from mutually limiting collision with the extruding rod 27 when moving.

The working principle of the invention is as follows:

The bagged powder is put on the conveying belt 7, the conveying motor 5 drives the driving roller 35 to rotate through the output shaft, the driving roller 35 drives the conveying belt 7 to move, the conveying belt 7 drives the bagged powder to move to the lifting plate 31, the lifting plate 31 drives the lifting plate 31 to ascend, the lifting plate 31 drives the bagged powder to ascend to the inside of the feeding frame 37, the electric push rod 20 drives the lifting plate 21 to ascend, the lifting plate 21 drives the connecting rod 23 to ascend, the connecting rod 23 drives the extruding rod 27 to ascend, the extruding rod 27 drives the lifting partition 26 to ascend, the lifting partition 26 releases the closure of the collecting opening 28, meanwhile, the connecting rod 23 drives the two clamping plates 22 and the two inserting rods 24 to ascend, the two clamping plates 22 ascend to release the closure of the discharging box 13, the two inserting rods 24 ascend to be pulled away from the powder packaging bag, the pushing motor 2 drives the threaded rod 29 to rotate through the output shaft, the threaded rod 29 drives the extension block 33 and the feeding frame 37 to move, the extension block 33 and the feeding frame 37 drive the bagged powder to move into the interior of the blanking box 13, the cutter 25 cuts the side face of the bagged powder newly entering the blanking box 13, the one-way hinged plate 39 pushes the empty packaging bag after the unloading is completed to move into the collecting opening 28, the empty packaging bag falls into the collecting box 8 from the collecting opening 28 to collect, when the bagged powder completely moves into the interior of the blanking box 13, the push motor 2 drives the threaded rod 29 to reversely rotate through the output shaft, the threaded rod 29 drives the extension block 33 and the feeding frame 37 to reversely move, the feeding frame 37 drives the one-way hinged plate 39 to move, the one-way hinged plate 39 upwardly rotates to avoid squeezing the bagged powder, and after the one-way hinged plate 39 moves out of the blanking box 13, gravity drives the one-way hinged plate 39 to restore to the original position;

the electric putter 20 drives lifter plate 21 and descends, lifter plate 21 drives connecting rod 23 and descends, connecting rod 23 drives extrusion rod 27 and descends, extrusion rod 27 drives lift baffle 26 and descends, lift baffle 26 seals collection mouth 28, simultaneously, connecting rod 23 drives two cardboard 22 and two inserted bar 24 and descends, two cardboard 22 descend to the airtight of unloading case 13, inside in the powder wrapping bag is inserted in two inserted bar 24 decline, multistage electric putter 17 drives mounting panel 19 rotatory 90 degrees, mounting panel 19 drives unloading case 13 rotatory 90 degrees, unloading case 13 drives the discharging pipe rotatory, the discharging pipe drives inside the agitator tank that corresponds after rotatory 90 degrees of joint end 10, open the material valve 11, inside powder falls into the agitator tank inside, accomplish the material of throwing.

While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a closed feeding device, including L type riser (14) and blanking subassembly, a serial communication port, be fixed with connecting block (15) on L type riser (14), one side of L type riser (14) is provided with feeding subassembly, the opposite side of L type riser (14) is provided with collecting assembly, blanking subassembly includes rotor plate (16) and spliced pole (18), rotor plate (16) articulates on connecting block (15), the front side of rotor plate (16) is fixed with down workbin (13), the inside of lower workbin (13) is fixed with baffle (12), two sliding clamping grooves and two jacks have all been seted up on lower workbin (13) and baffle (12), the side of lower workbin (13) is the funnel type, the side of lower workbin (13) is fixed with the discharging pipe, be fixed with on the discharging pipe and throw material valve (11), the tip is fixed with joint end (10) on the inner wall of lower workbin (13), the rear side of rotor plate (16) is fixed with (19), the top of rotor plate (19) is fixed with electric putter (20), the upper portion of rotor plate (20) is fixed with electric putter (20), the both ends of slider plate (21) are fixed with on slider plate (21) are fixed with connecting rod (23), two inserted bars (24) are fixed below the connecting rod (23), the end parts of the inserted bars (24) are conical, the two inserted bars (24) are respectively arranged inside insertion holes in corresponding positions in a sliding mode, the connecting column (18) is fixed between the feeding assembly and the collecting assembly, the multistage electric push rod (17) is rotatably arranged on the connecting column (18), and the end parts of the multistage electric push rod (17) are hinged to the mounting plate (19).

2. The closed feeding device according to claim 1, wherein the collecting assembly comprises a collecting box (9), the collecting box (9) is fixed on the other side of the L-shaped vertical plate (14), the collecting box (8) is slidably arranged in the other side of the L-shaped vertical plate (14), a collecting opening (28) is formed in the side face of the collecting box (9), a lifting partition plate (26) is slidably arranged above the collecting box (9), the lifting partition plate (26) is attached to the inner wall of the collecting box (9), an extrusion rod (27) is fixed on the side face of the lifting partition plate (26), and the extrusion rod (27) is located above the connecting rod (23).

3. The closed feeding device according to claim 2, wherein the feeding assembly comprises a feeding box (1) and a driven roller (34), the feeding box (1) is fixed on one side of an L-shaped vertical plate (14), a feeding hole (3) is formed in the end portion of the feeding box (1), a bottom plate (4) is fixed below the feeding box (1), two support plates (6) are fixed above the bottom plate (4), a driving roller (35) is rotatably arranged between the two support plates (6), the driven roller (34) is rotatably arranged inside the feeding box (1), a conveying belt (7) is arranged on the driving roller (35) and the driven roller (34), the conveying belt (7) is positioned inside the feeding hole (3), a conveying motor (5) is fixed on the side face of one support plate (6), and an output shaft of the conveying motor (5) is connected with the driving roller (35) through a coupling.

4. The closed feeding device according to claim 3, wherein the feeding assembly further comprises a hydraulic cylinder (32) and an L-shaped communication square tube (36), the L-shaped communication square tube (36) is fixed in the feeding box (1), the hydraulic cylinder (32) is fixed at the bottom of the feeding box (1), the lifting plate (31) is fixed at the end of the hydraulic cylinder (32), the lifting plate (31) is slidably arranged in the L-shaped communication square tube (36), a feeding port is formed in the side surface of the feeding box (1), a threaded rod (29) is arranged in the feeding box (1) in a rotating manner, an extension block (33) and a feeding frame (37) are connected to the threaded rod (29) in a threaded manner, the extension block (33) is fixed on one side of the feeding frame (37), a unidirectional cutter (39) is hinged to the other side of the feeding frame (37), a reserved groove (30) is formed in the same level with the feeding box (25), the feeding frame (37) is slidably arranged above the L-shaped communication square tube (36), a motor (37) is arranged on the side surface of the feeding box (36), and the output shaft (2) is slidably connected to the output shaft (2) through the threaded rod (29).

5. The closed feeding device according to claim 4, wherein the connecting column (18) is fixed between the material collecting box (9) and the material feeding box (1), the sections of the connecting rod (23) and the extruding rod (27) are arc-shaped, the arc directions of the sections of the connecting rod (23) and the extruding rod (27) are opposite, a control box (38) is fixed above the L-shaped vertical plate (14), and the control box (38) is electrically connected with the pushing motor (2), the conveying motor (5), the feeding valve (11), the multi-stage electric push rod (17), the electric push rod (20) and the hydraulic cylinder (32).