CN214132686U

CN214132686U - Miscellaneous mechanism of sieve of adjustable sieve mesh size

Info

Publication number: CN214132686U
Application number: CN202022841294.4U
Authority: CN
Inventors: 闵飞龙
Original assignee: Yutai Fengyuan Grain Machinery Manufacturing Co ltd
Current assignee: Yutai Fengyuan Grain Machinery Manufacturing Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-09-07
Anticipated expiration: 2030-11-30

Abstract

An impurity screening mechanism with adjustable screen mesh size relates to the field of agricultural machinery, and comprises a vibration plate, wherein the lower end of the vibration plate is connected with a material collecting hopper, the outer surface of the material collecting hopper is connected with a vibration damper, the lower end of the vibration damper is connected with a support plate through a damping spring, the upper surfaces of the left end and the right end of the vibration plate are respectively fixedly connected with the lower surfaces of two vertical plates, a placing groove is respectively arranged on an inner measuring plate surface between the two vertical plates, a clamping groove hole is arranged in the placing groove, an upper screen plate and a lower screen plate are arranged between the two placing grooves, a plurality of strip-shaped holes are arranged on the upper screen plate, a plurality of rows of triangular hole groups are arranged on the lower screen plate, semicircular sliding grooves are respectively arranged on the lower surfaces of the left end and the right end of the upper screen plate, the upper surfaces and the lower surfaces of the left end and the right end of the lower screen plate and the lower surfaces in the placing groove, sliding balls are arranged in the sliding grooves, the impurity screening mechanism can adjust the positions of screen meshes on the upper screen plate and the lower screen plate through the combined action of the vibration damper and the damping spring, the flexibility and the stability of vibration screening are improved, and the practicability is high.

Description

Miscellaneous mechanism of sieve of adjustable sieve mesh size

Technical Field

The utility model relates to the field of agricultural machinery, specifically a miscellaneous mechanism of sieve of adjustable sieve mesh size.

Background

The shale shaker utilizes the produced reciprocal type vibration that revolves of oscillator excitation and work, the last rotatory weight of oscillator makes the sifter produce the plane vibration that circles round, and the lower rotatory weight makes the sifter produce conical surface rotary vibration, the effect of its joint action makes the sifter produce the type vibration that revolves again, the shale shaker mainly divide into rectilinear vibrating screen, circular vibrating screen, high-frequency vibration sieve, the degree that the shale shaker screened the material has direct relation with the size of shale shaker sieve mesh, traditional shale shaker sieve mesh size all can not be adjusted, when needing to screen different materials, only can change the screen cloth, the operation is difficult.

Chinese patent CN107855271U discloses a shale shaker of adjustable sieve mesh size, this shale shaker has solved traditional shale shaker and has been adjusting the easy fricative problem of sieve mesh size process through setting up electric telescopic handle, fixed plate, gear motor, cylinder and bracing piece, but this shale shaker mechanism is simple, is not suitable for some places that need carry out a large amount of sieve miscellaneous, and the clearance is too big between two screen cloths, is blockked up easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a miscellaneous mechanism of sieve of adjustable mesh size to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an impurity screening mechanism with adjustable screen mesh size comprises a vibrating plate, wherein the front end of the vibrating plate is connected with a vibrating machine, the lower end of the vibrating plate is connected with a collecting hopper, the outer surface of the collecting hopper is connected with a shock absorber, a supporting plate is arranged below the collecting hopper, the lower surface of the supporting plate is fixedly connected with a supporting column, a damping spring is connected between the lower end of the shock absorber and the upper surface of the supporting plate, the upper surfaces of the left end and the right end of the vibrating plate are respectively fixedly connected with the lower surfaces of two vertical plates, the left end and the right end of the two vertical plates are respectively connected with a feeding groove plate and a discharging groove plate, two fixed blocks and a connecting block are fixedly connected on the outer side plate surface between the two vertical plates, a positioning pin is arranged in the connecting block, the connecting block is positioned between the two fixed blocks and is consistent with the horizontal height of the fixed blocks, the fixed blocks are connected with each other through a threaded rod, one end of the threaded rod is fixedly connected with a rotating handle, all be equipped with the standing groove on the inboard face between two risers, be equipped with the screens slotted hole in the standing groove, be equipped with sieve and lower sieve between two standing grooves, be equipped with a plurality of bar holes on the last sieve, be equipped with multirow triangle-shaped hole on the lower sieve, the left end of going up the sieve and the right-hand member of lower sieve pass the riser respectively through the screens slotted hole and link to each other with the locating pin, the lower surface at both ends about going up the sieve, the upper and lower surface at lower sieve left and right sides both ends and the lower surface in the standing groove all are equipped with the sliding tray, and the same and shape of size of each sliding tray is semi-circular, is equipped with the slip ball in the sliding tray.

Further, the distance between the strip-shaped holes is consistent with the width of the strip-shaped holes, and the distance between the triangular holes in the same row is consistent with the width of the strip-shaped holes.

Furthermore, the screens slotted hole that links to each other with upper screen plate is located the upper portion of standing groove, and the screens slotted hole that links to each other with lower screen plate is located the lower part of standing groove.

Furthermore, the number of the vibration absorbers is four, and the vibration absorbers are respectively positioned at four corners of the aggregate bin, so that stable vibration of the whole mechanism can be better realized.

Further, detect the export groove setting and be close to ejection of compact frid department at the riser right-hand member, detect out the material that flows out in the mouth groove and detect alright carry out the analysis to the screening effect and the vibration stability of whole mechanism, be convenient for further adjustment and maintenance.

The utility model has the advantages that: this sieve miscellaneous mechanism has reached whole sieve mesh size adjustable effect through the adjustment to the sieve mesh position on last sieve and the lower sieve, simultaneously through shock absorber and damping spring's combined action, has improved the stability of vibration, makes whole mechanism's life longer, and the practicality is high.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic diagram of the cooperation of the upper screen deck and the lower screen deck.

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is an enlarged view of a portion of FIG. 2 at B;

wherein: 1 vibration board, 2 risers, 3 collecting hoppers, 4 pan feeding frid, 5 ejection of compact frid, 6 exports, 7 detect the export groove, 8 connecting blocks, 9 fixed blocks, 10 threaded rods, 11 rotation handles, 12 shock absorbers, 13 damping spring, 14 bobbing machine, 15 backup pads, 16 pillars, 17 upper screen plate, 18 lower screen plate, 19 bar holes, 20 triangle-shaped hole, 21 sliding tray, 22 slip ball, 23 standing groove, 24 screens slotted hole, 25 fixed pins, 26 screening hole regions, 27 hides the hole region.

Detailed Description

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

Please refer to fig. 1-5, a sieve size adjustable miscellaneous mechanism, including vibration board 1, vibration board 1 front end is connected with bobbing machine 14, vibration board 1 lower extreme and collecting hopper 3 fixed connection, vibration board 1 left and right sides both ends upper surface all with riser 2 lower fixed surface connection, both ends link to each other with pan feeding frid 4 and ejection of compact frid 5 respectively about two risers 2, all be equipped with standing groove 23 on the inboard face between two risers 2, be equipped with sieve 17 and lower sieve 18 between two standing grooves 23, two fixed blocks 9 and connecting block 8 of fixedly connected with on the outside face between two risers 2, connecting block 8 is located between two fixed blocks 9 and is unanimous with fixed block 9 level, link to each other through threaded rod 10 between fixed block 9 and the connecting block 8, the one end fixedly connected with of threaded rod 10 rotates handle 11.

Go up to be equipped with a plurality of bar holes 19 on the sieve 17, be equipped with multirow triangle-shaped hole 20 on the lower sieve 18, the interval is unanimous with bar hole 19 width between the bar hole 19, and the distance is unanimous with bar hole 19 width between the triangle-shaped hole 20 of every row.

The upper portion still is equipped with screens slotted hole 24 in standing groove 23, and connecting block 8 is inside to be equipped with the locating pin, screens slotted hole 24 and the size phase-match of locating pin and unanimous with last sieve board 17 thickness, go up the left end of sieve board 17 and pass riser 2 through screens slotted hole 24 and link to each other with the locating pin, and further, another standing groove 23 adopts the same structural design, and the difference is that screens slotted hole 24 locates the lower part in standing groove 23.

In order to solve the problem that the service life of the mechanism is reduced due to the fact that abrasion is easily generated between the upper sieve plate 17 and the lower sieve plate 18 and between the lower sieve plate 18 and the placing groove 23, sliding grooves 21 are formed in the lower surfaces of the left end and the right end of the upper sieve plate 17, the upper surface and the lower surface of the left end and the right end of the lower sieve plate 18 and the lower surface of the inner portion of the placing groove 23, the sliding grooves 21 are identical in size and semicircular in shape, and sliding balls 22 are arranged in the sliding grooves 21.

When the screening machine works, the rotating handle 11 is operated to drive the threaded rod 10 to rotate, the fixing block 9 and the connecting block 8 further drive the upper screen plate 17 and the lower screen plate 18 to move in the horizontal direction, the sizes of a screening hole area 26 and a shielding hole area 27 formed between the strip-shaped holes 19 and the triangular holes 20 can be adjusted according to the length of the horizontal movement, wherein the screening hole area 26 is a partial area of the triangular holes 20 below the strip-shaped holes 19, the shielding hole area 27 is a partial area of the triangular holes 20 shielded by the distance plates between the strip-shaped holes 19, when the triangular holes 20 are completely positioned below the strip-shaped holes 19, the area of the screening hole area 26 reaches the maximum, then materials flowing into the material inlet groove plate 4 can be screened and then flow out from the material outlet groove plate 5 through the vibration of the vibration machine 14, and the screened materials are discharged from the outlet 6 through the material collecting hopper 3.

Example two

Referring to fig. 1 and 2, on the basis of embodiment 1, although the size of the material can be well adjusted according to the size of the material, the vibrating plate 1 is likely to shake in the horizontal direction during screening, which increases the energy consumption of the whole mechanism and damages the machine body, therefore, the outer surface of the collecting hopper 3 is connected with the damper 12, the supporting plate 15 is arranged below the collecting hopper 3, the lower surface of the supporting plate 15 is fixedly connected with the pillar 16, and the damping spring 13 is connected between the lower end of the damper 12 and the upper surface of the supporting plate 15.

Preferably, the number of the dampers 12 is four, and the dampers 12 are respectively located at four corners of the aggregate bin 3, and the dampers 12 work together to improve the stability of vibration.

Further, a detection opening groove 7 is arranged at the position, close to the discharge groove plate 5, of the right end of the vertical plate 2 and used for detecting the screening effect and the vibration stability.

During the use, with backup pad 15 as for stable horizontal position on, when bobbing machine 14 vibrates and drives the sieve and carry out the screening, reach the vibration stabilization effect jointly through four shock absorbers 12 and damping spring 13, later to detecting out the interior material that flows of oral cavity 7 and detect alright carry out the analysis to the screening effect and the vibration stability of whole mechanism, be convenient for further adjustment and maintenance.

In conclusion, the impurity screening mechanism achieves the effect of adjusting the size of the whole sieve pore by adjusting the positions of the sieve pores on the upper sieve plate 17 and the lower sieve plate 18, and simultaneously improves the stability of vibration through the combined action of the shock absorber 12 and the damping spring 13, so that the whole mechanism is longer in service life and high in practicability.

Although 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 can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. An impurity screening mechanism with adjustable screen mesh size comprises a vibrating plate, the front end of the vibrating plate is connected with a vibrating machine, the impurity screening mechanism is characterized in that the lower end of the vibrating plate is connected with a collecting hopper, the outer surface of the collecting hopper is connected with a shock absorber, a supporting plate is arranged below the collecting hopper, the lower surface of the supporting plate is fixedly connected with a supporting column, a damping spring is connected between the lower end of the shock absorber and the upper surface of the supporting plate, the upper surfaces of the left end and the right end of the vibrating plate are respectively fixedly connected with the lower surfaces of two vertical plates, the left end and the right end of the two vertical plates are respectively connected with a feeding groove plate and a discharging groove plate, two fixed blocks and a connecting block are fixedly connected on the outer side plate surface between the two vertical plates, a fixed pin is arranged in the connecting block, the connecting block is positioned between the two fixed blocks and is consistent with the horizontal height of the fixed blocks, the fixed blocks are connected with the connecting block through threaded rods, and one end of the threaded rods is fixedly connected with a rotating handle, all be equipped with the standing groove on the inboard face between two risers, be equipped with the screens slotted hole in the standing groove, be equipped with sieve and lower sieve between two standing grooves, be equipped with a plurality of bar holes on the last sieve, be equipped with multirow triangle-shaped hole on the lower sieve, the left end of going up the sieve and the right-hand member of lower sieve pass the riser respectively through the screens slotted hole and link to each other with the fixed pin, the lower surface at both ends about going up the sieve, the upper and lower surface at lower sieve left and right sides both ends and the lower surface in the standing groove all are equipped with the sliding tray, and the same and shape of size of each sliding tray is semi-circular, is equipped with the slip ball in the sliding tray.

2. The mechanism of claim 1, wherein the distance between the strip holes is the same as the width of the strip hole, and the distance between the triangular holes in the same row is the same as the width of the strip hole.

3. The sifter mechanism of claim 2 wherein the detent slot aperture associated with the upper sifter plate is located in an upper portion of the placement chute and the detent slot aperture associated with the lower sifter plate is located in a lower portion of the placement chute.

4. The mechanism of claim 3, wherein the number of the dampers is four, and the dampers are respectively located at four corners of the collecting hopper.

5. The miscellaneous device of claim 4, wherein a test outlet slot is provided at the right end of the vertical plate near the discharge slot plate.