CN211247375U

CN211247375U - Screening machine for agriculture

Info

Publication number: CN211247375U
Application number: CN201922121149.6U
Authority: CN
Inventors: 陈宏毅
Original assignee: Tianjin Ruihe Ruifeng Agricultural Technology Co ltd
Current assignee: Tianjin Ruihe Ruifeng Agricultural Technology Co ltd
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-08-14
Anticipated expiration: 2029-11-30

Abstract

The utility model relates to the technical field of agricultural machinery, in particular to an agricultural screening machine which saves labor, improves working efficiency, is convenient to adjust screening standards according to the size of dry fruits and improves use reliability; including the frame, feed bin and feed mechanism, the feed bin is installed on the top of frame, the top of feed bin is provided with the loading hopper, the bottom of feed bin is provided with the conveying pipeline, feed mechanism includes preceding extension board, back extension board, driving motor, tensioning shaft and two sets of conveying rope, the left end of preceding extension board and back extension board all is connected with the left end of frame, the equal downward sloping of right-hand member of preceding extension board and back extension board is connected with the right-hand member of frame, preceding extension board and back splint form transfer passage, the rotatable left pivot that is provided with of left end between preceding extension board and the back extension board, and the fixed two sets of left pulleys that are provided with in the left pivot, still include the right pivot, two sets of right pulleys, fixed plectane, two sets of screwed pipes, two sets.

Description

Screening machine for agriculture

Technical Field

The utility model relates to an agricultural machine's technical field especially relates to a sieve separator for agricultural.

Background

As is well known, a screening machine for agriculture is an auxiliary device for screening and classifying dry fruit agricultural products, which is widely used in the field of agricultural production; the screening of current dry fruit agricultural product is generally carried out through the manual work or with the help of simple screening installation, and work efficiency is lower, and inconvenient big or small condition according to the fruit adjusts the standard of screening, leads to using the reliability lower.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a use manpower sparingly, improve work efficiency to the convenience is adjusted the standard of screening according to the big or small condition of dry fruit, improves the agricultural sieve separator of using the reliability.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an agricultural screening machine comprises a frame, a bin and a distributing mechanism, wherein the bin is arranged at the top end of the frame, a placing cavity is arranged in the bin, a feeding hopper is arranged at the top of the bin, a conveying pipe is arranged at the bottom of the bin, the distributing mechanism comprises a front support plate, a rear support plate, a driving motor, a tensioning shaft and two sets of conveying ropes, the left ends of the front support plate and the rear support plate are connected with the left end of the frame, the right ends of the front support plate and the rear support plate are inclined downwards and connected with the right end of the frame, the front support plate and the rear support plate are arranged oppositely in the front and at the back, a conveying channel is formed between the front support plate and the rear support plate, the left end of the conveying channel is positioned under the conveying pipe, a left rotating shaft is rotatably arranged at the left end between the front support plate and the rear support plate, two sets of left pulleys are fixedly arranged on the left rotating shaft, the driving motor is arranged at the, a right rotating shaft is rotatably arranged at the right end between the front support plate and the rear support plate, an adjusting wheel device is arranged on the right rotating shaft and comprises two groups of right pulleys, a fixed circular plate, two groups of threaded pipes and two groups of threaded rods, the two groups of right pulleys are sleeved on the outer side of the right rotating shaft, the two groups of right pulleys can slide along the radial direction of the right rotating shaft, the fixed circular plate is fixedly arranged in the middle of the right rotating shaft, mounting grooves are formed in the front end and the rear end of the fixed circular plate, ball bearings are fixedly arranged in the two groups of mounting grooves, one ends of the two groups of threaded pipes are respectively inserted into the two groups of ball bearings, one ends of the two groups of threaded rods are respectively inserted into and screwed into the outer sides of the two groups of threaded pipes, the other ends of the two groups of threaded rods are respectively connected with the inner sides of the two groups of right, the conveying ropes are all encircled into a ring shape, each group of conveying ropes is sleeved on one group of left pulleys, one group of right pulleys and one group of tensioning wheels, and the bottom ends and the right sides of the front supporting plate and the rear supporting plate are provided with multiple groups of component troughs.

Preferably, be provided with the fixing device who fixes the tensioning axle in the frame, fixing device includes preceding fixed plate and after-fixing board, preceding fixed plate and after-fixing board all with frame fixed connection to preceding fixed plate sets up around with the after-fixing board relatively, and all is provided with the spout of vertical direction at the rear end of preceding fixed plate and the front end of after-fixing board, and is two sets of all slide in the spout and be provided with the slider to the top of two sets of sliders all is provided with pressure spring, pressure spring's top and spout interior roof paste tightly, the tensioning axle is rotatable to be installed between two sets of sliders.

Preferably, the sliding groove and the sliding groove are both dovetail structures.

Preferably, the wheel surfaces of the left pulley, the right pulley and the tensioning wheel are respectively provided with an annular groove for limiting the conveying rope.

Preferably, the conveying rope is a nylon rope.

Preferably, a material guide inclined plane is arranged on the inner bottom wall of the placing cavity, and an output end of the material guide inclined plane is located at an input end of the top of the material conveying pipe.

Preferably, the conveying pipe is provided with a speed regulating device, the speed regulating device comprises a speed regulating motor and a speed regulating shaft, the speed regulating shaft is rotatably arranged in the conveying pipe, a plurality of groups of blocking pieces are arranged on the outer side of the speed regulating shaft at equal angles, the speed regulating motor is arranged at the left end of the conveying pipe, and the right output end of the speed regulating motor extends into the conveying pipe and is in transmission connection with the speed regulating shaft.

(III) advantageous effects

Compared with the prior art, the utility model provides a sieve separator for agricultural possesses following beneficial effect:

1. according to the agricultural screening machine, the fruits of the dry fruits are placed in the bin, the fruits are guided into the conveying channel through the conveying pipe and fall on the two groups of conveying ropes, the left rotating shaft and the two groups of left pulleys are driven to rotate through the driving motor, so that the two groups of conveying ropes are driven to convey the fruits, the distance between the two groups of conveying ropes is gradually widened from left to right, and the fruits fall into the material distributing groove below when the size of the fruits is smaller than the distance between the two groups of conveying ropes, so that labor is saved, and the working efficiency is improved;

2. this sieve separator for agricultural through rotating two sets of screwed pipes, through the cooperation of screwed pipe and threaded rod, can adjust the distance that has between pulley and the fixed plectane to adjust the biggest interval between two sets of conveying ropes, can guarantee through two sets of take-up pulleys and still keep the tensile force of conveying rope after adjusting the interval of conveying rope, conveniently adjust the standard of screening according to the big or small condition of doing the fruit, improve the reliability in utilization.

Drawings

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

FIG. 2 is a schematic top view of the front and rear support plates of the present invention;

fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 2 according to the present invention;

fig. 4 is a left side view structure diagram of the tensioning shaft, the front fixing plate and the rear fixing plate of the present invention;

FIG. 5 is a schematic side view of the feed delivery pipe, the speed control shaft and the baffle of the present invention;

in the drawings, the reference numbers: 1. a frame; 2. a storage bin; 3. a hopper; 4. a delivery pipe; 5. a front support plate; 6. a rear support plate; 7. a drive motor; 8. tensioning the shaft; 9. a transfer line; 10. a left rotating shaft; 11. a left pulley; 12. a right rotating shaft; 13. a right pulley; 14. fixing the circular plate; 15. a threaded pipe; 16. a threaded rod; 17. a ball bearing; 18. a tension wheel; 19. a material distributing groove; 20. a front fixing plate; 21. a rear fixing plate; 22. a chute; 23. a slider; 24. a compression spring; 25. an annular groove; 26. a material guiding inclined plane; 27. a speed-regulating motor; 28. a speed regulating shaft; 29. a baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, an agricultural screening machine comprises a frame 1, a bin 2 and a material distribution mechanism, wherein the bin 2 is installed at the top end of the frame 1, a placing cavity is arranged in the bin 2, a feeding hopper 3 is arranged at the top of the bin 2, a material conveying pipe 4 is arranged at the bottom of the bin 2, the material distribution mechanism comprises a front support plate 5, a rear support plate 6, a driving motor 7, a tensioning shaft 8 and two sets of conveying ropes 9, the left ends of the front support plate 5 and the rear support plate 6 are connected with the left end of the frame 1, the right ends of the front support plate 5 and the rear support plate 6 are inclined downwards and connected with the right end of the frame 1, the front support plate 5 and the rear support plate 6 are arranged in a front-back opposite manner and form a conveying channel between the front support plate 5 and the rear support plate 6, the left end of the conveying channel is positioned under the material conveying pipe 4, a left rotating shaft 10 is rotatably arranged, two groups of left pulleys 11 are fixedly arranged on a left rotating shaft 10, a driving motor 7 is arranged at the rear end of a rear support plate 6, the front end output end of the driving motor 7 is in transmission connection with the left rotating shaft 10, a right rotating shaft 12 is rotatably arranged at the right end between a front support plate 5 and the rear support plate 6, an adjusting wheel device is arranged on the right rotating shaft 12 and comprises two groups of right pulleys 13, a fixed circular plate 14, two groups of threaded pipes 15 and two groups of threaded rods 16, the two groups of right pulleys 13 are sleeved outside the right rotating shaft 12, the two groups of right pulleys 13 can slide along the radial direction of the right rotating shaft 12, the fixed circular plate 14 is fixedly arranged in the middle of the right rotating shaft 12, mounting grooves are respectively arranged at the front end and the rear end of the fixed circular plate 14, ball bearings 17 are respectively fixedly arranged in the two groups of mounting grooves, one end of the two groups of threaded pipes 15 are respectively inserted into the two, one end of each of the two sets of threaded rods 16 is inserted into and screwed into the outer sides of the two sets of threaded pipes 15, the other end of each of the two sets of threaded rods 16 is connected with the inner sides of the two sets of right pulleys 13, the tensioning shaft 8 is mounted on the frame 1, two sets of tensioning wheels 18 are arranged on the tensioning shaft 8, annular grooves 25 for limiting the conveying ropes 9 are formed in the wheel surfaces of the left pulley 11, the right pulley 13 and the tensioning wheels 18, the conveying ropes 9 are clamped in the annular grooves 25 to limit the conveying ropes 9 and prevent the conveying ropes 9 from falling off, the conveying ropes 9 are all in a ring shape, each set of conveying ropes 9 is sleeved on one set of left pulleys 11, one set of right pulleys 13 and one set of tensioning wheels 18, the conveying ropes 9 are nylon ropes to ensure the strength of the conveying ropes 9, and multi-component material grooves 19 are formed in the bottom ends and the right sides of the front support plate 5, the machine frame 1 is provided with a fixing device for fixing the tensioning shaft 8, the fixing device comprises a front fixing plate 20 and a rear fixing plate 21, the front fixing plate 20 and the rear fixing plate 21 are both fixedly connected with the machine frame 1, the front fixing plate 20 and the rear fixing plate 21 are oppositely arranged, the rear end of the front fixing plate 20 and the front end of the rear fixing plate 21 are both provided with vertical sliding grooves 22, sliding blocks 23 are arranged in the two groups of sliding grooves 22 in a sliding manner, the top ends of the two groups of sliding blocks 23 are both provided with compression springs 24, the top ends of the compression springs 24 are tightly attached to the inner top wall of the sliding grooves 22, the tensioning shaft 8 is rotatably arranged between the two groups of sliding blocks 23, the sliding grooves 22 and the sliding grooves 22 are of dovetail structures, the sliding blocks 23 are pushed by the compression springs 24, so that the conveying rope 9 is always in a tensioning state, and fruits which are dried are placed in, the fruits are guided into the conveying channel through the conveying pipe 4 and fall on the two groups of conveying ropes 9, the driving motor 7 drives the left rotating shaft 10 and the two groups of left pulleys 11 to rotate, so that the two groups of conveying ropes 9 are driven to convey the fruits, the distance between the two groups of conveying ropes 9 is gradually widened from left to right, and the fruits fall into the lower material distributing groove 19 when the size of the fruits is smaller than the distance between the two groups of conveying ropes 9, so that the labor is saved, and the working efficiency is improved; through rotating two sets of screwed pipes 15, through screwed pipe 15 and threaded rod 16's cooperation, can adjust the distance that has between pulley and the fixed plectane 14 to adjust the biggest interval between two sets of conveying rope 9, can guarantee through two sets of take-up pulleys 18 and still keep conveying rope 9's tensile force after having adjusted conveying rope 9's interval, the convenience is adjusted the standard of screening according to the big or small condition of doing the fruit, improves the reliability of use.

It is provided with guide inclined plane 26 on the interior diapire of placing the chamber, the output of guide inclined plane 26 is located conveying pipeline 4 top input end department, makes things convenient for the fruit in feed bin 2 to get into in conveying pipeline 4 through guide inclined plane 26, be provided with speed adjusting device on the conveying pipeline 4, speed adjusting device includes buncher 27 and speed governing axle 28, speed governing axle 28 is rotatable to be set up in conveying pipeline 4 to be provided with multiunit separation blade 29 in the angle such as the outside of speed governing axle 28, buncher 27 installs in the left end of conveying pipeline 4, and the right side output of buncher 27 stretches into in conveying pipeline 4 and is connected with speed governing axle 28 transmission, drives speed governing axle 28 through buncher 27 and rotates, and speed governing axle 28 drives separation blade 29 and rotates to make on the continuous leading-in conveying passageway of fruit, prevent to produce the accumulational condition of fruit on conveying rope 9.

When the fruit conveying device is used, dry fruits are placed in the bin 2, the fruits are guided into the conveying channel through the conveying pipe 4 and fall on the two groups of conveying ropes 9, the driving motor 7 drives the left rotating shaft 10 and the two groups of left pulleys 11 to rotate, so that the two groups of conveying ropes 9 are driven to convey the fruits, the distance between the two groups of conveying ropes 9 is gradually widened from left to right, and the fruits fall into the lower material distributing groove 19 when the size of the fruits is smaller than the distance between the two groups of conveying ropes 9, so that labor is saved, and the working efficiency is improved; through rotating two sets of screwed pipes 15, cooperation through screwed pipe 15 and threaded rod 16, can adjust the distance that has between pulley and the fixed plectane 14, thereby adjust the maximum interval between two sets of conveying rope 9, can guarantee through two sets of take-up pulleys 18 that the interval of having adjusted conveying rope 9 still keeps the tensile force of conveying rope 9, the convenience is adjusted the standard of screening according to the big or small condition of dry fruit, improve the reliability in utilization, make things convenient for in the fruit entering conveying pipeline 4 in the feed bin 2 through guide inclined plane 26, drive speed governing shaft 28 through buncher 27 and rotate, speed governing shaft 28 drives separation blade 29 and rotates, thereby make on the successive leading-in conveying passageway of fruit, prevent to produce the accumulational condition of fruit on conveying rope 9.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

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

Claims

1. The agricultural screening machine is characterized by comprising a rack (1), a bin (2) and a distribution mechanism, wherein the bin (2) is installed at the top end of the rack (1), a placing cavity is formed in the bin (2), a feeding hopper (3) is arranged at the top of the bin (2), a conveying pipeline (4) is arranged at the bottom of the bin (2), the distribution mechanism comprises a front support plate (5), a rear support plate (6), a driving motor (7), a tensioning shaft (8) and two groups of conveying ropes (9), the left ends of the front support plate (5) and the rear support plate (6) are both connected with the left end of the rack (1), the right ends of the front support plate (5) and the rear support plate (6) are both downwards inclined and connected with the right end of the rack (1), the front support plate (5) and the rear support plate (6) are oppositely arranged, and a conveying channel is formed by the front support plate (5) and the rear support plate (6), the left end of the conveying channel is positioned under the conveying pipe (4), a left rotating shaft (10) is rotatably arranged at the left end between the front support plate (5) and the rear support plate (6), two groups of left pulleys (11) are fixedly arranged on the left rotating shaft (10), the driving motor (7) is arranged at the rear end of the rear support plate (6), the front end output end of the driving motor (7) is in transmission connection with the left rotating shaft (10), a right rotating shaft (12) is rotatably arranged at the right end between the front support plate (5) and the rear support plate (6), an adjusting wheel device is arranged on the right rotating shaft (12) and comprises two groups of right pulleys (13), a fixed circular plate (14), two groups of threaded pipes (15) and two groups of threaded rods (16), the two groups of right pulleys (13) are sleeved on the outer side of the right rotating shaft (12), and the two groups of right pulleys (13) can slide along the radial direction of the right rotating shaft (12), the fixed circular plate (14) is fixedly arranged in the middle of the right rotating shaft (12), mounting grooves are formed in the front end and the rear end of the fixed circular plate (14), ball bearings (17) are fixedly arranged in the two groups of mounting grooves, one ends of the two groups of threaded pipes (15) are respectively inserted into the two groups of ball bearings (17), one ends of the two groups of threaded rods (16) are respectively inserted into the outer sides of the two groups of threaded pipes (15) in a screwed mode, the other ends of the two groups of threaded rods (16) are respectively connected with the inner sides of the two groups of right pulleys (13), the tensioning shaft (8) is arranged on the frame (1), two groups of tensioning wheels (18) are arranged on the tensioning shaft (8), the conveying ropes (9) are all surrounded into a ring shape, and each group of conveying ropes (9) is sleeved on one group of left pulleys (11), one group of right pulleys (13) and one group of tensioning wheels (18), the bottom ends and the right sides of the front support plate (5) and the rear support plate (6) are provided with multi-component troughs (19).

2. An agricultural screening machine according to claim 1, wherein the frame (1) is provided with fixing means for fixing the tensioning shaft (8), the fixing device comprises a front fixing plate (20) and a rear fixing plate (21), the front fixing plate (20) and the rear fixing plate (21) are fixedly connected with the frame (1), the front fixing plate (20) and the rear fixing plate (21) are arranged in a front-back opposite manner, the rear end of the front fixing plate (20) and the front end of the rear fixing plate (21) are respectively provided with a sliding chute (22) in the vertical direction, the two groups of sliding chutes (22) are respectively provided with a sliding block (23) in a sliding manner, and the top ends of the two groups of sliding blocks (23) are respectively provided with a pressing spring (24), the top ends of the pressing springs (24) are tightly attached to the inner top wall of the sliding groove (22), the tensioning shaft (8) is rotatably arranged between the two groups of sliding blocks (23).

3. An agricultural screening machine according to claim 2, wherein the chute (22) and chute (22) are each of dovetail construction.

4. An agricultural screening machine according to claim 1, wherein the sheave surfaces of the left sheave (11), the right sheave (13) and the tension sheave (18) are provided with annular grooves (25) for limiting the conveying rope (9).

5. An agricultural screening machine according to claim 1, wherein the conveyor line (9) is a nylon line.

6. An agricultural screening machine according to claim 1, wherein the inner bottom wall of the placing chamber is provided with a material guiding slope (26), and the output end of the material guiding slope (26) is positioned at the input end of the top of the material conveying pipe (4).

7. The agricultural screening machine of claim 1, wherein a speed regulation device is arranged on the conveying pipe (4), the speed regulation device comprises a speed regulation motor (27) and a speed regulation shaft (28), the speed regulation shaft (28) is rotatably arranged in the conveying pipe (4), a plurality of groups of blocking pieces (29) are arranged on the outer side of the speed regulation shaft (28) at equal angles, the speed regulation motor (27) is arranged at the left end of the conveying pipe (4), and the right output end of the speed regulation motor (27) extends into the conveying pipe (4) and is in transmission connection with the speed regulation shaft (28).