CN218981678U - Abandoned crop straw screening frame - Google Patents

Abstract

The utility model discloses a waste crop straw screening frame which comprises an outer frame body, an active screening structure, an auxiliary screening structure and a material collecting structure, wherein the top and the bottom of the outer frame body are of an open type design, a plurality of supporting legs are arranged at the bottom of the outer frame body, the active screening structure is arranged in the outer frame body, the auxiliary screening structure is arranged at one side and the upper side of the outer frame body, the position of the auxiliary screening structure is matched with that of the active screening structure, the material collecting structure is arranged among the supporting legs, the material collecting structure is arranged below the active screening structure, the active screening structure comprises an inner frame body, a connecting rope, a spring and a vibrator, and the top of the inner frame body is of the open type design. When the utility model performs the soil and sand screening work on the waste straws, the time and the labor are saved, the efficiency is higher, the labor intensity of personnel is low, the screening effect is better, and the overall practicability is higher.

Description

Abandoned crop straw screening frame

Technical Field

The utility model relates to the technical field related to agricultural production, in particular to a screening frame for waste crop straws.

Background

The straw is a general term of stem and leaf parts of mature crops, and generally refers to the rest parts of wheat, rice, corn, potato, rape, cotton, sugarcane and other crops after harvesting seeds, more than half of products of photosynthesis of the crops exist in the straw, the straw is rich in nitrogen, phosphorus, potassium, calcium, magnesium, organic matters and the like, is a renewable biological resource with multiple purposes, and is also a coarse fodder, and in the treatment process of agricultural waste straw, a screening frame is needed for screening the straw, so that soil and sand stones at the root of the straw are removed, and other processing treatments such as crushing, briquetting and the like are conveniently carried out on the straw.

Through retrieving, the patent of the publication number CN208213588U, a crop screening frame is disclosed, including the framework, the framework has the chamber of holding, its characterized in that, the framework below is equipped with a plurality of landing legs, the bottom of framework is the screen leakage, fixedly connected with carrier plate on a plurality of landing legs, the carrier plate with form the slot between the framework, peg graft in the slot and be used for accepting the carrying tray of the debris that the framework falls down. The crop screening frame is characterized in that sundries can fall off the frame so as to ensure the purity of the screened fruits.

However, the above-mentioned patent has the following drawbacks:

although it also can be applicable to the screening work of abandonment straw, but need the manual screening frame that rocks of manual work to screen, it is time consuming and laborious, efficiency is lower, personnel intensity of labour is high, and because the earth grit of some straw roots is comparatively compact, so lean on rocking screening effect relatively poor alone, still easily remain more earth grit in the root department of straw, whole practicality is relatively poor.

Disclosure of Invention

The utility model aims to provide a screening frame for waste crop straws, which is used for solving the problems that the screening frame is required to be manually shaken for screening although the screening frame is also suitable for screening of waste straws, time and labor are wasted, the efficiency is low, the labor intensity of personnel is high, and the screening effect is poor due to shaking alone because soil and sand stones at the roots of the straws are compact, more soil and sand stones are easy to remain at the roots of the straws, and the overall practicability is poor.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a abandonment crop straw screening frame, includes outer frame body, activity screening structure, supplementary screening structure and receipts material structure, the top and the bottom of outer frame body are open-type design, the bottom department of outer frame body is provided with a plurality of supporting legs, activity screening structure installs in the inside of outer frame body, supplementary screening structure installs in one side and the top department of outer frame body, just the position phase-match of supplementary screening structure and activity screening structure, receive the material structure and install between a plurality of supporting legs, just receive the below department that the material structure is located activity screening structure.

Preferably, the activity screening structure includes inside casing, connecting rope, spring and vibrator, the top of inside casing is open-type design, the bottom of inside casing is the design of leaking the net, connecting rope is provided with four, four connecting rope's one end respectively with the bottom four corners department fixed connection of inside casing, and four connecting rope respectively with the inside four corners department fixed connection of outside casing, the spring is provided with a plurality of, a plurality of the spring is fixed mounting respectively in the outside department all around of inside casing, and a plurality of the spring is fixed connection respectively with the inside department all around of outside casing, vibrator fixed mounting is in the front department of inside casing.

Preferably, the four connecting ropes are all steel rope ropes.

Preferably, the auxiliary screening structure comprises a mounting plate, an air cylinder and a crushing plate, wherein the mounting plate is L-shaped, the mounting plate is fixedly arranged at one side of the outer frame, the air cylinder is fixedly arranged at the bottom of an L-shaped turning surface of the mounting plate, the top of the crushing plate is fixedly connected with the top of the air cylinder, the position of the crushing plate is matched with the position of the inner frame, and the longitudinal size of the crushing plate is slightly smaller than the inner size of the inner frame.

Preferably, the crushing plate is provided at the bottom with a plurality of raised crushed pieces.

Preferably, the material receiving structure comprises a bearing plate and a material receiving box, wherein the bearing plate is L-shaped, the bearing plate is fixedly arranged between four supporting legs, the material receiving box is movably arranged on the bearing plate, and the size of the material receiving box is larger than that of the inner frame body.

The utility model provides a screening frame for waste crop straws, which has the following beneficial effects:

according to the utility model, the outer frame body, the movable screening structure, the auxiliary screening structure and the material receiving structure are arranged, so that when waste straws are screened, the waste straws can be placed in the inner frame body, the root parts of the waste straws face the crushing plate, then the vibrator can be started to drive the inner frame body to vibrate, the screening work of straw soil sand and gravel is carried out, meanwhile, the cylinder is started to stretch and retract to drive the crushing plate to move up and down, the soil sand and gravel at the root parts of the straws are crushed in a reciprocating manner, the screening effect is improved in an auxiliary manner, the screening efficiency and the screening effect are effectively improved on the original basis, the labor intensity of personnel is greatly reduced, and the practicability is higher.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic top view of an inner frame body installation structure of the present utility model;

FIG. 3 is a schematic top view of the receiving bin of the present utility model;

fig. 4 is a schematic side view of the crushing plate of the present utility model.

In the figure: 1. an outer frame body; 2. support legs; 3. an inner frame body; 4. a connecting rope; 5. a spring; 6. a vibrator; 7. a mounting plate; 8. a cylinder; 9. crushing the plate; 10. pressing the fragments; 11. a carrying plate; 12. and (5) a material receiving box.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1-4, the present utility model provides a technical solution: the utility model provides a abandonment crop straw screening frame, includes frame body 1, activity screening structure, supplementary screening structure and receipts material structure, the top and the bottom of frame body 1 all are open-type design, the bottom department of frame body 1 is provided with a plurality of supporting legs 2, activity screening structure installs in the inside of frame body 1, supplementary screening structure installs in one side and the top department of frame body 1, just the position phase-match of supplementary screening structure and activity screening structure, receive the material structure and install between a plurality of supporting legs 2, just receive the below department that the material structure is located activity screening structure.

The movable screening structure comprises an inner frame body 3, connecting ropes 4, springs 5 and vibrators 6, wherein the top of the inner frame body 3 is in an open type design, the bottom of the inner frame body 3 is in a screen leakage type design, the four connecting ropes 4 are arranged, one ends of the four connecting ropes 4 are fixedly connected with four corners of the bottom of the inner frame body 3 respectively, the four connecting ropes 4 are fixedly connected with four corners of the inner frame body 1 respectively, the springs 5 are arranged in a plurality, the springs 5 are fixedly arranged at the periphery of the outer part of the inner frame body 3 respectively, the springs 5 are fixedly connected with the periphery of the inner part of the outer frame body 1 respectively, and the vibrators 6 are fixedly arranged at the front of the inner frame body 3, so that the inner frame body 3 can be driven to vibrate through the operation of the vibrators 6 and the cooperation of the four connecting ropes 4 and the springs 5, and accordingly, the sand and gravel screening treatment is carried out on straws placed in the inner frame body 3;

the four connecting ropes 4 are all steel rope ropes, so that the connecting ropes 4 have higher strength and are not easy to break and damage;

the auxiliary screening structure comprises a mounting plate 7, an air cylinder 8 and a crushing plate 9, wherein the mounting plate 7 is L-shaped, the mounting plate 7 is fixedly arranged at one side of the outside of the outer frame body 1, the air cylinder 8 is fixedly arranged at the bottom of an L-shaped turning surface of the mounting plate 7, the top of the crushing plate 9 is fixedly connected with the top of the air cylinder 8, the position of the crushing plate 9 is matched with the position of the inner frame body 3, and the longitudinal size of the crushing plate 9 is slightly smaller than the inner size of the inner frame body 3, so that when the inner frame body 3 vibrates to carry out soil and sand screening treatment on straws, the crushing plate 9 can be driven to move up and down through the work of the air cylinder 8, thereby carrying out reciprocating crushing on soil and sand at the root positions of some straws, and assisting in improving the screening effect;

the bottom of the crushing plate 9 is provided with a plurality of raised crushing blocks 10, so that the crushing plate 9 has a good clay and sand crushing effect;

the receiving structure comprises a bearing plate 11 and a receiving box 12, wherein the bearing plate 11 is L-shaped, the bearing plate 11 is fixedly arranged between four supporting legs 2, the receiving box 12 is movably arranged on the bearing plate 11, and the size of the receiving box 12 is larger than that of the inner frame body 3, so that earth and sand can be collected in a concentrated manner through the receiving box 12, and the subsequent concentrated treatment is facilitated;

it can be understood that the vibrator 6 is externally connected with a control switch and a power supply, and the cylinder 8 is externally connected with a control switch and a driving source.

Working principle: when the novel straw screening machine works, waste straws can be placed in the inner frame body 3, the roots of the waste straws face the crushing plate 9, then the vibrator 6 can be started, the inner frame body 3 is driven to vibrate in the outer frame body 1 through the work of the vibrator 6 and the four connecting ropes 4 and the springs 5, so that the straws placed in the inner frame body 3 are subjected to soil and sand screening treatment, when the inner frame body 3 vibrates to carry out soil and sand screening treatment on the straws, the crushing plate 9 can be driven to move up and down through the work of the air cylinder 8, and accordingly soil and sand at the positions of the roots of the straws are crushed repeatedly, the screening effect is improved in an auxiliary mode, finally the screened soil and sand can naturally fall into the material collecting box 12 to be collected in a concentrated mode, subsequent concentrated treatment is facilitated, time and labor are saved, the efficiency is high, the screening effect is good, the labor intensity of personnel is greatly reduced, and the practicability is high.

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

Claims (6)

1. The utility model provides a abandonment crop straw screening frame, includes outer frame body (1), activity screening structure, supplementary screening structure and receipts material structure, its characterized in that: the top and the bottom of frame body (1) all are open-type design, the bottom department of frame body (1) is provided with a plurality of supporting legs (2), activity screening structure installs in the inside of frame body (1), supplementary screening structure installs in one side and the top department of frame body (1), just the position phase-match of supplementary screening structure and activity screening structure, receive the material structure and install between a plurality of supporting legs (2), just receive the below department that the material structure is located activity screening structure.

2. The waste crop straw screening frame according to claim 1, wherein: the movable screening structure comprises an inner frame body (3), connecting ropes (4), springs (5) and vibrators (6), wherein the top of the inner frame body (3) is in an open type design, the bottom of the inner frame body (3) is in a grid-leaking type design, the four connecting ropes (4) are arranged, one ends of the connecting ropes (4) are fixedly connected with four corners of the bottom of the inner frame body (3) respectively, the four connecting ropes (4) are fixedly connected with four corners of the inner frame body (1) respectively, the springs (5) are arranged in a plurality, the springs (5) are fixedly arranged at the periphery of the outer portion of the inner frame body (3) respectively, the springs (5) are fixedly connected with the periphery of the inner portion of the outer frame body (1) respectively, and the vibrators (6) are fixedly arranged at the front of the inner frame body (3).

3. The waste crop straw screen frame of claim 2, wherein: the four connecting ropes (4) are all steel rope ropes.

4. The waste crop straw screening frame according to claim 1, wherein: the auxiliary screening structure comprises a mounting plate (7), an air cylinder (8) and a crushing plate (9), wherein the mounting plate (7) is L-shaped, the mounting plate (7) is fixedly mounted at one side of the outer frame body (1), the air cylinder (8) is fixedly mounted at the bottom of an L-shaped turning surface of the mounting plate (7), the top of the crushing plate (9) is fixedly connected with the top of the air cylinder (8), the position of the crushing plate (9) is matched with the position of the inner frame body (3), and the longitudinal size of the crushing plate (9) is slightly smaller than the inner size of the inner frame body (3).

5. The waste crop straw screen frame of claim 4, wherein: the bottom of the crushing plate (9) is provided with a plurality of raised crushed pieces (10).

6. The waste crop straw screening frame according to claim 1, wherein: the material collecting structure comprises a bearing plate (11) and a material collecting box (12), wherein the bearing plate (11) is L-shaped, the bearing plate (11) is fixedly arranged between four supporting legs (2), the material collecting box (12) is movably arranged on the bearing plate (11), and the size of the material collecting box (12) is larger than that of the inner frame body (3).

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