CN213670378U

CN213670378U - Vibrating screen

Info

Publication number: CN213670378U
Application number: CN202022278044.4U
Authority: CN
Inventors: 张永青; 宋卫卫; 姜晓明
Original assignee: Cofco Shancui Peanut Products Weihai Co ltd
Current assignee: Cofco Shancui Peanut Products Weihai Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-07-13
Anticipated expiration: 2030-10-14

Abstract

The application discloses a vibrating screen, which relates to the field of food processing, and adopts the technical scheme that the vibrating screen comprises a rack, a primary screening device arranged on the rack and a discharging assembly arranged at the bottom end of the primary screening device, wherein the primary screening device comprises a screening frame, a first screening plate fixed on the screening frame, a second screening plate slidably connected on the screening frame and positioned below the screening frame, and a plurality of threaded rods in threaded connection with the second screening plate and in rotating connection with the screening frame; a plurality of same sieve meshes are arranged on the first sieve plate and the second sieve plate. The peanut screening machine has the effect of screening peanuts with different sizes.

Description

Vibrating screen

Technical Field

The application relates to the field of food processing, in particular to a vibrating screen.

Background

In the further processing process of peanuts, impurities, unqualified small peanut grains and damaged peanut grains in the peanuts often need to be screened out, and the processing amount of a peanut processing enterprise is often large, so that a peanut device in the prior art cannot meet the requirements of the enterprise and cannot be used in continuous flow operation. The peanuts need to be screened by a vibrating screen. However, in actual production, the sizes of peanuts in different batches are different, and the sizes of the filter holes on the peanut screening machine are fixed, so that screening according to the sizes of the peanuts in different sizes is difficult, and the application range is limited.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, the utility model aims to provide a shale shaker, can adjust the size of sieve mesh to filter the peanut of equidimension not.

In order to achieve the purpose, the application provides the following technical scheme: a vibrating screen comprises a rack, a primary screening device arranged on the rack and a discharging assembly arranged at the bottom end of the primary screening device, wherein the primary screening device comprises a screening frame, a first screening plate fixed on the screening frame, a second screening plate which is connected to the screening frame in a sliding mode and is positioned below the screening frame, and a plurality of threaded rods which are in threaded connection with the second screening plate and are in rotating connection with the screening frame; a plurality of same sieve meshes are arranged on the first sieve plate and the second sieve plate.

Through adopting above-mentioned technical scheme, can drive the position of the second sieve with threaded rod threaded connection through rotating the threaded rod and change to the coincidence degree of sieve mesh on first sieve and the second sieve changes, changes the coincidence degree of two sieve meshes in the vertical direction, changes the particle diameter through first sieve and second sieve raw materials, is convenient for filter the raw materials of different particle sizes.

The application is further configured to: the bottom end of the first sieve plate is fixed with a T-shaped block, and a T-shaped groove for the T-shaped block to slide is formed in the second sieve plate.

Through adopting above-mentioned technical scheme, the T-shaped piece slides in the T-shaped inslot, not only can increase the gliding stability of second sieve, can also make simultaneously can closely the butt between first sieve and the second sieve, reduces the raw materials or the waste residue that enter into between first sieve and the second sieve.

The application is further configured to: the first-level screening device further comprises a fixing assembly for fixing the rotated threaded rod.

Through adopting above-mentioned technical scheme, because the screening frame can produce the vibration at the during operation, the event needs fixed subassembly to fix the screw rod at the screening frame during operation, prevents its rotation because of vibrating and taking place, increases the stability of screening.

The application is further configured to: the fixing component comprises a straight ratchet wheel and a pawl, wherein the straight ratchet wheel and the threaded rod rotate coaxially, and the pawl can be clamped into two adjacent ratchets of the straight ratchet wheel.

Through adopting above-mentioned technical scheme, when the ratchet of straight ratchet was arranged in to the pawl, straight ratchet was unable to rotate, and the threaded rod with the coaxial pivoted of straight ratchet was unable to rotate, and the convenience is fixed the threaded rod.

The application is further configured to: the primary screening device further comprises a synchronizing assembly capable of driving the threaded rods to rotate coaxially.

Through adopting above-mentioned technical scheme, synchronous subassembly can make a plurality of threaded rods rotate simultaneously, conveniently drives the second sieve.

The application is further configured to: the synchronous component comprises a first bevel gear, a second bevel gear and a connecting shaft, wherein the first bevel gear rotates coaxially with the threaded rod, the second bevel gear is meshed with the first bevel gear, and the connecting shaft rotates coaxially with the second bevel gear.

By adopting the technical scheme, the first bevel gear rotates under the driving of the threaded rod to drive the second bevel gear to rotate, so that the connecting shaft and the other second bevel gears arranged on the connecting shaft are driven to rotate; after the other second bevel gears rotate, the first bevel gears which are not driven and the threaded rods are driven to rotate, and the plurality of threaded rods are driven to rotate synchronously.

The application is further configured to: the bottom of one-level sieving mechanism is provided with ejection of compact subassembly, and ejection of compact subassembly is including fixing the collecting hopper in screening frame bottom, the connecting pipe of intercommunication in the collecting hopper bottom and the discharging pipe of intercommunication in the connecting pipe and keeping away from collecting hopper one end, the connecting pipe is the hose.

By adopting the technical scheme, the discharging assembly collects the screened raw materials; the connecting pipe is the vibration that the hose can adapt to the sieve frame, reduces the influence of sieve frame vibration to the discharging pipe.

The application is further configured to: the screening device is characterized by further comprising a second-stage screening device arranged on the rack, wherein the second-stage screening device is arranged at the discharge end of the first-stage screening device.

Through adopting above-mentioned technical scheme, can further filter the raw materials through setting up a plurality of sieving mechanism, improve the screening effect to the raw materials.

To sum up, the beneficial technical effect of this application does:

1. the threaded rod can be rotated to drive the position of the second sieve plate in threaded connection with the threaded rod to change, so that the overlapping degree of sieve pores on the first sieve plate and the second sieve plate is changed, the overlapping degree of sieve pores on the two sieve plates in the vertical direction is changed, the particle size of raw materials passing through the first sieve plate and the second sieve plate is changed, and the raw materials with different particle sizes can be conveniently screened;

2. the T-shaped block slides in the T-shaped groove, so that the sliding stability of the second sieve plate can be improved, the first sieve plate and the second sieve plate can be tightly abutted, and raw materials or waste residues entering between the first sieve plate and the second sieve plate are reduced;

3. the first helical gear rotates under the driving of the threaded rod to drive the second helical gear to rotate, so that the connecting shaft and the other second helical gears arranged on the connecting shaft are driven to rotate; after the other second bevel gears rotate, the first bevel gears which are not driven and the threaded rods are driven to rotate, and the plurality of threaded rods are driven to rotate synchronously.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic structural view of a primary screening apparatus;

fig. 3 is a schematic structural view showing the connection of a first screen deck and a second screen deck;

FIG. 4 is a schematic structural view showing a fixing member;

FIG. 5 is a schematic diagram showing the structure of the discharging assembly.

In the figure: 1. a frame; 2. a primary screening device; 21. a screening rack; 211. a spring; 212. a vibration motor; 22. a first screen deck; 221. a T-shaped block; 222. screening holes; 23. a second screen deck; 231. a T-shaped slot; 24. a threaded rod; 25. a fixing assembly; 251. a straight ratchet wheel; 252. a fixed block; 253. a pawl; 26. a synchronization component; 261. a first helical gear; 262. a second helical gear; 263. a connecting shaft; 264. connecting blocks; 3. a secondary screening device; 4. a discharge assembly; 41. a collection hopper; 42. a connecting pipe; 43. a discharge pipe; 431. a connecting rod; 5. a material receiving box.

Detailed Description

The present application is described in further detail below with reference to the attached figures.

Example (b): a vibrating screen, see figure 1, comprises a frame 1, a primary screening device 2 arranged on the frame 1, a secondary screening device 3 arranged at the discharge end of the primary screening device 2, a discharge assembly 4 arranged at the bottom ends of the primary screening device 2 and the secondary screening device 3, and a material receiving box 5 arranged at the discharge end of the discharge assembly 4 and the secondary screening device 3.

Referring to fig. 2, the primary screening device 2 includes a screening frame 21, a first screening plate 22 fixed on the screening frame 21, a second screening plate 23 slidably connected to the screening frame 21 and located below the screening frame 21, a plurality of threaded rods 24 in threaded connection with the second screening plate 23 and rotatably connected with the screening frame 21, a fixing assembly 25 for fixing the rotated threaded rods 24, and a synchronizing assembly 26 for driving the plurality of threaded rods 24 to rotate simultaneously.

The bottom end of the screening frame 21 is fixedly connected with a spring 211, and the bottom end of the spring 211 is fixed on the frame 1; a vibration motor 212 for supplying power to the screen frame 21 is fixed to one end of the screen frame 21.

A plurality of identical sieve holes 222 are formed in the first sieve plate 22 and the second sieve plate 23, and the sieve holes 222 in the first sieve plate 22 and the second sieve plate 23 can be overlapped in the vertical direction. When the sieve holes 222 on the first sieve plate 22 and the second sieve plate 23 coincide, the particle size of the raw material passing through the first sieve plate 22 and the second sieve plate 23 is the largest; when the screen holes 222 on the first screen deck 22 and the second screen deck 23 are staggered, the particle size of the material passing through the first screen deck 22 and the second screen deck 23 is reduced, and the size of the staggered degree changes the size of the particle size of the material passing through.

The primary screening device 2 and the secondary screening device 3 have the same mechanical structure, and the difference is that the particle sizes of the filtered raw materials are different.

Referring to fig. 3, a T-shaped block 221 is fixed to the bottom end of the first screen plate 22, and a T-shaped groove 231 for the T-shaped block 221 to slide is formed in the second screen plate 23. The T-block 221 slides in the T-shaped groove 231, which not only increases the stability of the sliding of the second screen deck 23, but also enables the first screen deck 22 and the second screen deck 23 to be in close contact with each other.

Referring to fig. 2 and 4, the fixing assembly 25 includes a straight ratchet 251 rotating coaxially with the threaded rod 24, a fixing block 252 fixed to a side wall of the screen frame 21, and a pawl 253 slidably coupled to the fixing block 252. When the threaded rod 24 rotates, the pawl 253 disengages from the straight ratchet 251, at which point the threaded rod 24 can rotate; when the pawl 253 is caught between two ratchet teeth of the straight ratchet wheel 251, the threaded rod 24 cannot be rotated.

The synchronizing assembly 26 includes a first helical gear 261 that rotates coaxially with the threaded rod 24, a second helical gear 262 that meshes with the first helical gear 261, and a connecting shaft 263 that rotates coaxially with the second helical gear 262. Since the threaded rod 24 is plural in number, the first and

second bevel gears

261 and 262 are also plural in number. The plurality of second bevel gears 262 each rotate coaxially with the connecting shaft 263. A connecting block 264 supporting the connecting shaft 263 is fixed on the side wall of the screening frame 21, and the connecting shaft 263 is rotatably connected with the connecting block 264.

Referring to fig. 5, the discharging unit 4 includes a collecting hopper 41 fixed to the bottom end of the screen frame 21, a connecting pipe 42 communicating with the bottom end of the collecting hopper 41, and a discharging pipe 43 communicating with an end of the connecting pipe 42 remote from the collecting hopper 41. Connecting rods 431 fixedly connected with the frame 1 are fixed at two ends of the discharge pipe 43. Wherein the connecting pipe 42 is a hose to accommodate the vibration of the screen frame 21.

During the screening, add the raw materials to the one end that one-level sieving mechanism 2 kept away from second grade sieving mechanism 3 to adjust the crisscross degree of the sieve pore 222 of first sieve 22 and second sieve 23 on one-level sieving mechanism 2 and the second grade sieving mechanism 3, filter the raw materials of different particle sizes. And the overlapping degree of the sieve pores can be adjusted according to the interval degree of the particle size of the raw material.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a vibrating screen, includes frame (1), sets up one-level sieving mechanism (2) in frame (1) and sets up ejection of compact subassembly (4) in one-level sieving mechanism (2) bottom, its characterized in that: the primary screening device (2) comprises a screening frame (21), a first screening plate (22) fixed on the screening frame (21), a second screening plate (23) which is connected to the screening frame (21) in a sliding mode and is located below the screening frame (21), and a plurality of threaded rods (24) which are in threaded connection with the second screening plate (23) and are in rotary connection with the screening frame (21); the first sieve plate (22) and the second sieve plate (23) are provided with a plurality of same sieve holes (222).

2. The vibratory screen of claim 1, wherein: the bottom end of the first sieve plate (22) is fixed with a T-shaped block (221), and the second sieve plate (23) is provided with a T-shaped groove (231) for the T-shaped block (221) to slide.

3. The vibratory screen of claim 1, wherein: the primary screening device (2) further comprises a fixing component (25) for fixing the rotated threaded rod (24).

4. The vibratory screen of claim 3, wherein: the fixing component (25) comprises a straight ratchet wheel (251) which rotates coaxially with the threaded rod (24) and a pawl (253) which can be clamped into two adjacent ratchet teeth of the straight ratchet wheel (251).

5. The vibratory screen of claim 1, wherein: the primary screening device (2) further comprises a synchronizing assembly (26) capable of driving the threaded rods (24) to rotate coaxially.

6. The vibratory screen of claim 5, wherein: the synchronizing assembly (26) comprises a first bevel gear (261) rotating coaxially with the threaded rod (24), a second bevel gear (262) engaged with the first bevel gear (261), and a connecting shaft (263) rotating coaxially with the second bevel gear (262).

7. The vibratory screen of claim 1, wherein: the bottom of one-level sieving mechanism (2) is provided with ejection of compact subassembly (4), and ejection of compact subassembly (4) are including fixing collecting hopper (41) in screening frame (21) bottom, communicating connecting pipe (42) and the communicating discharging pipe (43) of keeping away from collecting hopper (41) one end at connecting pipe (42) in collecting hopper (41) bottom, connecting pipe (42) are the hose.

8. The vibratory screen of claim 1, wherein: the automatic material screening machine is characterized by further comprising a secondary screening device (3) arranged on the rack (1), wherein the secondary screening device (3) is arranged at the discharge end of the primary screening device (2).