CN112138985A

CN112138985A - Agricultural seed is with formula sieving mechanism that frustrates immediately

Info

Publication number: CN112138985A
Application number: CN202010977380.XA
Authority: CN
Inventors: 王哲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2020-12-29

Abstract

The invention is suitable for the technical field of agricultural processing equipment, and provides a pause-type screening device for agricultural seeds; the method comprises the following steps: a device main body; the screening net is rotatably arranged in the device main body and is obliquely arranged; the device main body is also provided with a driving part for driving the screening net to rotate; the driving part comprises a shell, a guide block is fixedly installed in the shell, a sliding block is arranged in the guide block in a sliding mode, the sliding block is arranged in a sliding groove in the guide block in an up-and-down sliding mode, a first driving rod and a second driving rod are installed on two sides of the sliding block in a rotating mode respectively, the lower ends of the first driving rod and the second driving rod are clamped on two sides of a pricking wheel respectively, hook directions of end portions of two sides of the first driving rod and the second driving rod are opposite, and the pricking wheel is installed in the shell in a rotating mode; the pricking wheel is in transmission connection with the screening net; the middle positions of the first driving rod and the second driving rod are connected through an elastic piece.

Description

Agricultural seed is with formula sieving mechanism that frustrates immediately

Technical Field

The invention relates to the technical field of agricultural processing equipment, in particular to a pause-type screening device for agricultural seeds.

Background

Agriculture is an industry for obtaining products by artificial cultivation by utilizing growth and development rules of animals and plants. Agriculture belongs to the first industry, and the science for researching agriculture is agriculture. The agricultural working object is living animals and plants, and the obtained products are the animals and plants. Agriculture is a fundamental industry for supporting national economic construction and development.

Agricultural seed need filter the seed in the course of working, and current drum sieve adopts constant speed to rotate usually, and then leads to the seed to be through the discharge that the screen cloth in-process can not be timely, causes the problem that screening efficiency is low, consequently provides an agricultural seed with setback formula sieving mechanism now and solves this technical problem.

Disclosure of Invention

The invention aims to provide a pause type screening device for agricultural seeds, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

an agricultural seed is with formula sieving mechanism that pauses immediately, includes: a device main body;

the screening net is rotatably arranged in the device main body and is obliquely arranged;

the device main body is also provided with a driving part for driving the screening net to rotate;

the driving part comprises a shell, a guide block is fixedly installed in the shell, a sliding block is arranged in the guide block in a sliding mode, the sliding block is arranged in a sliding groove in the guide block in an up-and-down sliding mode, a first driving rod and a second driving rod are installed on two sides of the sliding block in a rotating mode respectively, the lower ends of the first driving rod and the second driving rod are clamped on two sides of a pricking wheel respectively, hook directions of end portions of two sides of the first driving rod and the second driving rod are opposite, and the pricking wheel is installed in the shell in a rotating mode; the pricking wheel is in transmission connection with the screening net; the middle positions of the first driving rod and the second driving rod are connected through an elastic piece.

As a further scheme of the invention: the inside reciprocating assembly that still is provided with of casing.

As a still further scheme of the invention: the reciprocating assembly comprises a driving disc which is arranged in the shell in a self-rotating mode, a connecting rod is connected to the driving disc in a rotating mode, the connecting rod is arranged at the edge of the driving disc, and one end, far away from the driving disc, of the connecting rod is connected to the sliding block in a rotating mode.

As a still further scheme of the invention: the inside drive driving dish that still is provided with of casing rotates driving motor, driving motor and driving disc transmission are connected.

As a still further scheme of the invention: the screening net is internally arranged on a sleeve through a supporting rod, the sleeve is arranged at the center of the screening net, the screening net is sleeved on a rotating shaft, two ends of the rotating shaft are respectively rotatably arranged on the device main body, and the pricking wheel is sleeved on the rotating shaft.

As a still further scheme of the invention: the sleeve is arranged in a reciprocating sliding mode in the rotating process.

As a still further scheme of the invention: a cylindrical cam is fixedly sleeved on the outer side of the sleeve, a driving ring is sleeved on the outer side of the cylindrical cam, a convex sliding rod is arranged in the driving ring, and the sliding rod is inserted into a driving groove in the cylindrical cam; the driving ring is fixedly arranged in the device main body through a bracket.

As a still further scheme of the invention: the two sides of the rotating shaft are respectively and fixedly provided with a guide groove, and the two guide grooves are respectively and slidably arranged in the sliding block inside the sleeve.

As a still further scheme of the invention: the device main part is also provided with a feed hopper, and a discharge port of the feed hopper is arranged at the high end of the screening net.

As a still further scheme of the invention: device main part bottom both sides are provided with first bin outlet and second bin outlet respectively, and wherein first bin outlet sets up in the exit of screen cloth low department.

Compared with the prior art, the invention has the beneficial effects that: seeds to be screened are added into the interior of the screening net, the slide block reciprocates up and down inside the guide block, and then the first driving rod and the second driving rod on two sides are driven to move up and down, the first driving rod and the second driving rod are clamped on the pricking wheel and are matched with the driving pricking wheel to rotate, and the first driving rod and the second driving rod are in pause of one end time in the matching gap process, so that the screening net pauses for a moment in the rotating process, raw materials in the screening net move towards the opposite direction for a moment in a pause period, the opportunity that the raw materials pass through the filter holes is increased, the rotation of one of the raw materials at a single speed is avoided, the raw materials slide on the screening net too fast, the filter holes cannot be passed through, and the screening efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of a pause-type screening device for agricultural seeds.

Fig. 2 is an enlarged view of a portion a in fig. 1.

FIG. 3 is a schematic view of the structure of the driving part of the pause-type screening device for agricultural seeds.

FIG. 4 is a schematic view of the structure of a drive plate in a setback type screening apparatus for agricultural seeds.

In the figure: the device comprises a device main body-1, a feed hopper-2, a driving part-3, a screening net-4, a rotating shaft-5, a driving ring-6, a sleeve-7, a slide block-8, a guide groove-9, a first discharge port-10, a second discharge port-11, a shell-12, a driving disk-13, a connecting rod-14, a guide block-15, a slide block-16, a first driving rod-17, a second driving rod-18, an elastic part-19, a spike wheel-20 and a cylindrical cam-21.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 4, a structure of a setback type screening apparatus for agricultural seeds according to an embodiment of the present invention includes: an apparatus main body 1;

a screening net 4 which is rotatably installed inside the apparatus main body 1 and is obliquely arranged;

because the screening net 4 generally adopts constant speed rotation in the working process in the prior art, seeds can not be discharged in time in the process of passing through the screening net, and the problem of low screening efficiency is caused, the device main body 1 is also provided with a driving part 3 for driving the screening net 4 to rotate;

the driving part 3 comprises a shell 12, a guide block 15 is fixedly installed inside the shell 12, a slide block 16 is slidably arranged inside the guide block 15, the slide block 16 is vertically slidably arranged in a slide groove inside the guide block 15, a first driving rod 17 and a second driving rod 18 are respectively rotatably installed on two sides of the slide block 16, the lower ends of the first driving rod 17 and the second driving rod 18 are respectively clamped on two sides of a pricking wheel 20, hook directions of end parts on two sides of the first driving rod 17 and the second driving rod 18 are opposite, and the pricking wheel 20 is rotatably installed inside the shell 12; the pricking wheel 20 is in transmission connection with the screening net 4; the first driving rod 17 and the second driving rod 18 are connected at an intermediate position by an elastic member 19, which in turn constantly clamps the first driving rod 17 and the second driving rod 18 to the lancet wheel 20.

In the embodiment of the invention, seeds to be screened are added into the screening net 4, the slide block 16 reciprocates up and down in the guide block 15 to drive the first driving rod 17 and the second driving rod 18 on two sides to move up and down, the first driving rod 17 and the second driving rod 18 are clamped on the pricking wheel 20 and are matched with and drive the pricking wheel 20 to rotate, and the first driving rod 17 and the second driving rod 18 stop for a moment in the matching gap process, so that the raw material in the screening net 4 moves in opposite directions for a moment in the stopping time, the chance that the raw material passes through the filter holes is increased, the single-speed rotation of the raw material is avoided, the raw material slides on the screening net 4 too fast and cannot pass through the filter holes, and the screening efficiency is improved.

In order to drive the slider 16 to slide up and down, a reciprocating assembly is further disposed inside the housing 12. Specifically, reciprocal subassembly includes that the rotation sets up the driving-disc 13 inside casing 12, the last swivelling joint of driving-disc 13 has connecting rod 14, connecting rod 14 sets up in the edge of driving-disc 13, connecting rod 14 keeps away from driving-disc 13 one end rotation and connects on slider 16, and then when driving-disc 13 rotates, drives slider 16 through connecting rod 14 and in the inside reciprocating rotation of guide block 15.

The bottom of the slide block 16 is arranged in a sliding groove in the guide block 15 in a sliding manner.

In order to drive the driving disk 13 to rotate, a driving motor for driving the driving disk 13 to rotate is further disposed inside the housing 12 to provide power for the driving disk 13 to rotate, and the driving motor is in transmission connection with the driving disk 13.

The screening net 4 is internally installed on a sleeve 7 through a supporting rod, the sleeve 7 is arranged at the center of the screening net 4, the screening net 4 is sleeved on a rotating shaft 5, two ends of the rotating shaft 5 are respectively rotatably installed on the device main body 1, a pricking wheel 20 is sleeved on the rotating shaft 5, the pricking wheel 20 drives the rotating shaft 5 to rotate, and the rotating shaft 5 drives the screening net 4 to rotate through the sleeve 7 so as to provide power for the rotation of the screening net 4.

Further, the sleeve 7 is arranged in a reciprocating sliding mode during rotation. The sleeve 7 drives the screening net 4 to slide in a reciprocating manner in the reciprocating sliding process, so that the seeds move in a reciprocating manner in the screening process, the uncertainty in the seed screening process is increased, and the passing efficiency of the seeds is improved.

A cylindrical cam 21 is fixedly sleeved outside the sleeve 7, a driving ring 6 is sleeved outside the cylindrical cam 21, a convex sliding rod is arranged inside the driving ring 6 and inserted into a driving groove on the cylindrical cam 21, and then when the cylindrical cam 21 rotates along with the sleeve 7, the sleeve 7 slides back and forth on the rotating shaft 5 under the action of the sliding rod. Thereby providing power for the screen 4 to slide back and forth. The drive ring 6 is fixedly mounted inside the apparatus main body 1 by a bracket.

In order to enable the sleeve 7 to slide back and forth along with the rotation of the rotating shaft 5, guide grooves 9 are respectively fixedly arranged on two sides of the rotating shaft 5, and the two guide grooves 9 are respectively slidably arranged in the sliding blocks 8 inside the sleeve 7, so that the arrangement realizes the back and forth sliding of the sleeve 7.

In order to add the seeds into the device main body 1, the device main body 1 is further provided with a feed hopper 2, and a discharge hole of the feed hopper 2 is formed in the high end of the screening net 4, so that the seeds can flow from top to bottom.

Device 1 bottom both sides of main part are provided with first discharge gate 10 and second discharge gate 11 respectively, and wherein first discharge gate 10 sets up in the low exit of sieve screen 4, sets up first discharge gate 10 and is used for discharging the seed that does not pass through sieve screen 4, and second discharge gate 11 is used for discharging the seed through sieve screen 4.

The working principle of the invention is as follows: seeds to be screened are added into a feed hopper 2, then the seeds fall into a screening net 4 under the action of self gravity, a driving disc 13 rotates, a sliding block 16 is driven by a connecting rod 14 to slide up and down in a reciprocating manner in a

guide block

15, 1 further drives a first driving rod 17 and a second driving rod 18 on two sides to move up and down, the first driving rod 17 and the second driving rod 18 are clamped on a pricking wheel 20 and are matched with and drive the pricking wheel 20 to rotate, the first driving rod 17 and the second driving rod are stopped for a while in a matching gap process, so that the screening net 4 is stopped for a moment in the rotating process, raw materials in the screening net 4 move in opposite directions in a period of stopping, the opportunity that the raw materials pass through a filtering hole is increased for a while, the single speed of the raw materials is prevented from rotating, the raw materials slide on the screening net 4 too fast, and the filtering hole cannot be passed through, and therefore the; simultaneously pivot 5 is in the rotation in-process, and sleeve 7 rotates along with pivot 5, and the cylindrical cam 21 on the sleeve 7 drives sleeve 7 rotation in-process under the effect of drive ring 6, along pivot 5 reciprocating motion, and this setting increases the disturbance of seed in the screening process, increases the chance that the seed passes through the sieve mesh, further provides screening efficiency.

In the description of the present invention, it is to be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, in the description of the present invention, "a plurality" means two or more unless otherwise specified. A feature defined as "first," "second," etc. may explicitly or implicitly include one or more of the feature.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an agricultural seed is with seting up formula sieving mechanism, its characterized in that includes: a device main body (1);

the screening net (4) is rotatably arranged in the device main body (1) and is obliquely arranged;

the device main body (1) is also provided with a driving part (3) for driving the screening net (4) to rotate;

the driving part (3) comprises a shell (12), a guide block (15) is fixedly installed inside the shell (12), a sliding block (16) is arranged inside the guide block (15) in a sliding mode, the sliding block (16) is arranged in a sliding groove inside the guide block (15) in an up-and-down sliding mode, a first driving rod (17) and a second driving rod (18) are installed on two sides of the sliding block (16) in a rotating mode respectively, the lower ends of the first driving rod (17) and the second driving rod (18) are clamped on two sides of a pricking wheel (20) respectively, hook directions of end portions of two sides of the first driving rod (17) and the second driving rod (18) are opposite, and the pricking wheel (20) is installed inside the shell (12) in a rotating mode; the pricking wheel (20) is in transmission connection with the screening net (4); the middle positions of the first driving rod (17) and the second driving rod (18) are connected through an elastic piece (19).

2. The agricultural seed stunning screening apparatus as set forth in claim 1 wherein a reciprocating assembly is further disposed within said housing (12).

3. The agricultural seed setback screening apparatus of claim 2, wherein the reciprocating assembly comprises a driving disk (13) rotatably disposed inside the housing (12), the driving disk (13) is rotatably connected with a connecting rod (14), the connecting rod (14) is disposed at an edge of the driving disk (13), and an end of the connecting rod (14) away from the driving disk (13) is rotatably connected to the slider (16).

4. The agricultural seed-use pause-type screening device according to claim 3, wherein a driving disk (13) is further disposed inside the housing (12) for rotating a driving motor, and the driving motor is in transmission connection with the driving disk (13).

5. The agricultural seed setback type screening device of claim 1, wherein the inside of the screening net (4) is installed on a sleeve (7) through a support rod, the sleeve (7) is arranged at the center of the screening net (4), the screening net (4) is sleeved on a rotating shaft (5), two ends of the rotating shaft (5) are respectively installed on the device main body (1) in a rotating manner, and the pricking wheel (20) is sleeved on the rotating shaft (5).

6. The agricultural seed setback screening apparatus of claim 5, wherein the sleeve (7) is slidably disposed back and forth during rotation.

7. The agricultural seed-use pause-type screening device according to claim 6, wherein a cylindrical cam (21) is fixedly sleeved outside the sleeve (7), a driving ring (6) is sleeved outside the cylindrical cam (21), a convex sliding rod is arranged inside the driving ring (6), and the sliding rod is inserted into a driving groove on the cylindrical cam (21); the driving ring (6) is fixedly arranged inside the device main body (1) through a bracket.

8. The agricultural seed-use pause-type screening device according to claim 7, wherein two sides of the rotating shaft (5) are respectively fixedly provided with a guide groove (9), and the two guide grooves (9) are respectively slidably arranged in the sliding block (8) inside the sleeve (7).

9. The agricultural seed-use pause-type screening device according to any one of claims 1-8, characterized in that the device main body (1) is further provided with a feed hopper (2), and the discharge port of the feed hopper (2) is arranged at the high end of the screening net (4).

10. The agricultural seed pause-type screening device according to claim 9, characterized in that the device body (1) is provided with a first discharge port (10) and a second discharge port (11) on two sides of the bottom, wherein the first discharge port (10) is arranged at the outlet of the lower part of the screening net (4).