CN211247242U

CN211247242U - Anti-blocking screening machine

Info

Publication number: CN211247242U
Application number: CN201922044707.3U
Authority: CN
Inventors: 罗杨; 邓小飞; 张伟
Original assignee: Luzhou Lingang Siyuan Concrete Co ltd
Current assignee: Luzhou Lingang Siyuan Concrete Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-14
Anticipated expiration: 2029-11-25

Abstract

The utility model relates to a prevent stifled screening machine, which comprises a fixing frame, be provided with the screen cloth on the mount, be used for vibrating screen's vibration mechanism and the tray that gathers materials, the screen cloth is the screen cloth conveyer belt that has a plurality of sieve meshes, and the screen cloth conveyer belt is close to the mount top and is upper screen cloth, and the screen cloth conveyer belt is close to the mount below and is lower floor's screen cloth, and the upper screen cloth top installation is used for vibrating the vibration mechanism of upper screen cloth, and the upper screen cloth below installation is used for collecting the tray that gathers materials, and the top of lower floor's screen cloth is installed and is used for beating the mechanism of beating of lower floor's screen cloth, and the driven actuating mechanism of. This technical scheme has the advantage of preventing stifled hole.

Description

Anti-blocking screening machine

Technical Field

The utility model belongs to the technical field of the technique of screening machine and specifically relates to a prevent stifled screening machine is related to.

Background

The sieving machine is a sieving mechanical device which divides granular materials into different grades according to the particle size by utilizing the relative motion of the granular materials and a sieve surface to lead partial particles to penetrate through sieve pores. The screening machine has wide application in the industries of construction, chemical industry, food and the like.

The screen cloth of screening machine is blockked up by the graininess material that is equivalent to screen cloth mesh size easily at the screening in-process, causes the reduction of screening efficiency, and especially when the screening contains the material of certain moisture, the material of being sieved is very easily adhered on the screen cloth, and the screening effect receives serious influence. The screen cloth of the screening machine can be damaged in the long-term use process, and after the screen cloth is damaged, partial materials with the particle size larger than the requirement of the screen holes can enter the product, so that the screening purpose can not be completely achieved, and the product quality is influenced.

In the prior art, a scraper or a scraping rod is generally used for scraping large-particle materials blocked on a screen to achieve the purpose of preventing the screen from being blocked. Contain the bellied scraper blade of inverted triangle awl through setting up above the sieve board like patent CN108855899A, motor drive scrapes the pole, can scrape the grit that blocks up the sieve board hole, keeps the unblocked of sieve board hole, improves the efficiency of screening. The above prior art solutions have the following drawbacks: 1. when the scraping rod is used for scraping away blocked materials, the sieve plate holes cannot feed materials, the sieving of the materials needs to be stopped, and continuous production cannot be realized; 2. the use is scraped the pole and can be scraped away most jam material, but is not obvious to the effect that just in time the card died in the sieve mesh and the hard piece that the sieve mesh size is close uses the pole of scraping, scrapes the hard piece of pole in the sieve mesh of the in-process card of forcing the scraping of pole and destroys the screen cloth easily moreover, influences screening effect, influences product quality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent stifled screening machine has continuous production, does not damage the screen cloth and prevents the advantage in stifled hole.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a prevent stifled screening machine, includes the mount, be provided with the screen cloth on the mount, be used for vibratory screen's vibration mechanism and the tray that gathers materials, the screen cloth is the screen cloth conveyer belt that has a plurality of sieve meshes, and the screen cloth conveyer belt is close to the mount top and is upper screen cloth, and the screen cloth conveyer belt is close to the mount below and is lower floor's screen cloth, and the upper screen cloth top is installed and is used for vibrating the vibration mechanism of upper screen cloth, and the tray that gathers materials that is used for collecting the material is installed to upper screen cloth below, and the top of lower floor's screen cloth is installed and is used for beating the mechanism of beating of lower floor's screen cloth.

Through above-mentioned technical scheme, the screen cloth is the screen cloth conveyer belt that has a plurality of sieve meshes, and the screen cloth rotates the screen cloth through actuating mechanism after the screen cloth uses, and the screen cloth that is not blocked up the hole rotates from the lower floor to the upper strata, and the upper strata can continue to sieve the material. The screen cloth that the sieve mesh was blocked up rotates to the lower floor from the upper strata, and the screen mesh direction was transferred after the screen cloth that is blocked up rotated to the lower floor from the upper strata, and the card hole material of original card above the screen cloth is transferred to the screen cloth below, beats stifled screen cloth with beating the mechanism, and the card hole material of stifled sieve mesh shakes and falls. The screen is rotated and beaten in turn, so that the purposes of continuous production, no damage to the screen and hole blockage prevention are achieved.

Preferably, the vibration mechanism comprises a first cam rotatably arranged on the fixed frame and a first driving motor for driving the first cam to rotate, the distance from the first cam to the screen cloth enables the short side of the first cam not to touch the upper screen cloth when the first cam rotates, the long side of the first cam can hit the upper screen cloth, and the first cam can hit the upper screen cloth with a gap when rotating.

Through above-mentioned technical scheme, the setting contains the vibration mechanism of cam, but striking screen cloth conveyer belt when first cam is rotatory interstitially, drives the material vibration on the screen cloth, and the less material of granule passes through the sieve mesh, and the great material of granule can not pass through the sieve mesh, realizes the purpose of screening material.

Preferably, the beating mechanism comprises a second cam rotatably arranged on the fixed frame and a second driving motor for driving the second cam to rotate, the distance from the second cam to the screen is such that the short side of the second cam cannot touch the lower screen when the second cam rotates, the long side of the second cam can hit the lower screen, and the second cam can hit the lower screen with a gap when rotating.

Through above-mentioned technical scheme, the installation is used for beating the mechanism of beating of lower floor's screen cloth, and the screen cloth conveyer belt rotates the back, and the card hole material is in the below of lower floor's screen cloth, but strikes the screen cloth conveyer belt interstitially when beating the cam of mechanism rotatory, drives the shake of lower floor's screen cloth, drives the card hole material of card on the screen cloth and breaks away from the screen cloth, realizes the mesh of anti-blocking hole.

Preferably, the fixed frame is provided with a driving roller, and the driving roller enables the screen conveyer belt to be stretched straight; the driving mechanism comprises a third driving motor for driving the driving roller to rotate.

Through above-mentioned technical scheme, third driving motor drives the driving roller and rotates, drives the screen cloth conveyer belt and rotates, is stopped up upper screen cloth and rotates to the lower floor, and the original card hole material of card above the screen cloth transfers to the screen cloth below, conveniently realizes knocking off the purpose of card hole material, conveniently realizes preventing the purpose in stifled hole.

Preferably, the fixing frame comprises a back plate and side plates, and the side plates comprise a first side plate and a second side plate; the upper-layer screen mesh is obliquely and downwards installed along the direction from the first side panel to the second side panel, and screen mesh baffles are arranged on two sides of the upper-layer screen mesh along the direction from the first side panel to the second side panel.

Through the technical scheme: the screen cloth is placed in an inclined mode, materials can roll along the upper screen cloth under the action of gravity on the upper screen cloth, and the material screening efficiency can be improved. The direction that first side panel was followed to the second side panel is provided with the screen cloth baffle in upper screen cloth both sides, avoids screen cloth conveyer belt pivoted in-process material to shed, is favorable to operation process safety and sanitation.

Preferably, the tray both sides of gathering materials be provided with the baffle of gathering materials along the direction of first side board to second side board, the tray of gathering materials install along the direction slant of first side board to second side board, the tray of gathering materials is close to the one end of second side board and is provided with first discharging channel, first discharging channel installs to the direction slant that is close to the backplate end down along keeping away from the backplate end, backplate and first discharging channel junction set up the second discharge gate.

Through above-mentioned technical scheme, the tray that gathers materials is installed under the slant of the direction of first side panel to second side panel, and the material of through-hole sieve mesh leans on gravity to slide to first discharging channel on the tray that gathers materials, slides to the second discharge gate under the action of gravity, and the collection of the material of being convenient for is favorable to improving operation process's work efficiency.

Preferably, the lower screen cloth below install the defective material tray, the defective material tray both sides are provided with the defective material baffle along the direction of first side board to second side board, the defective material tray install along the direction slant of first side board to second side board, the one end that is close to the second side board of defective material tray is provided with second discharging channel, second discharging channel installs along keeping away from the backplate end to being close to the direction slant of backplate end down, the junction of backplate and second discharging channel sets up the second discharge gate.

Through above-mentioned technical scheme, set up the defective material tray, can collect the defective material, avoid shedding the defective material, guarantee that operation process goes on under the safety and sanitation condition.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

firstly, the screen is set to be a screen conveyer belt with a plurality of screen holes, after the screen is used, the screen is rotated by a driving mechanism, the screen with the blocked holes rotates from an upper layer to a lower layer, the screen without the blocked holes rotates from the lower layer to the upper layer, and the upper screen can continuously sieve materials, so that the aim of continuous production is fulfilled;

secondly, the screen conveyer belt is rotated through the rotating mechanism, the screen with blocked screen holes rotates from the upper layer to the lower layer, the blocked screen holes are turned in the direction of the screen holes after rotating from the upper layer to the lower layer, the hole blocking materials originally blocked above the screen are turned to the lower part of the screen, the blocked screen is knocked by the knocking mechanism, and the hole blocking materials blocked in the screen holes fall down due to vibration, so that the purposes of not damaging the screen and preventing hole blocking are achieved;

thirdly, the upper-layer screen mesh is obliquely arranged, and materials can roll on the screen mesh under the action of gravity, so that the material screening efficiency can be improved;

and fourthly, the material collecting tray and the residual material tray are obliquely installed, and the discharging channel is obliquely installed, so that the collection of materials is facilitated, the materials are prevented from being thrown, and the operation process is ensured to be carried out under the safety and sanitation conditions.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of the present embodiment;

FIG. 2 is a rear view of the present embodiment;

fig. 3 is a rear view of the hidden back plate and the hidden side plate.

Reference numerals: 1. A fixed mount; 2. screening a screen; 3. a vibration mechanism; 4. a material collecting tray; 5. screening holes; 6. a screen conveyor; 7. an upper screen; 8. a lower layer screen mesh; 9. a tapping mechanism; 10. A drive mechanism; 11. A first cam; 12. a first drive motor; 13. a second cam; 14. a second drive motor; 15. 16, a third driving motor; 17. 18, a back plate; 19. a first side panel; 20. a second side panel; 21. a screen baffle; 22. an aggregate baffle; 23. 24, a first discharge port; 25. a residue tray; 26. a residual material baffle plate; 27. 28, a second discharge hole; 29. a top plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

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

The utility model provides an anti-blocking screening machine, as shown in figure 1, including mount 1, be provided with screen cloth 2 on mount 1, a vibration mechanism 3 and a collection material tray 4 for vibrating screen cloth 2, screen cloth 2 is the screen cloth conveyer belt 6 that has a plurality of sieve meshes 5, the screen cloth conveyer belt is close to mount 1 top and is upper screen cloth 7, screen cloth conveyer belt 6 is close to mount 1 below and is lower floor's screen cloth 8, the vibration mechanism 3 that is used for vibrating upper screen cloth 7 is installed to upper screen cloth 7 top, upper screen cloth 7 below installation is used for collecting the collection material tray 4, the top of lower floor's screen cloth 8 is installed and is used for beating the mechanism 9 of beating of lower floor's screen cloth 8, the driven actuating mechanism 10 of drive screen cloth conveyer belt 6 is installed to the corresponding position of lower floor.

As shown in fig. 1 and 3, a driving roller 15 is disposed on the fixing frame 1, and the driving roller 15 straightens the screen conveyer belt 6. The driving mechanism 10 includes a third driving motor 16 that drives the driving roller 15 to rotate. The vibration mechanism 3 comprises a first cam 11 rotatably arranged on the fixed frame 1 and a first driving motor 12 for driving the first cam 11 to rotate, the distance from the first cam 11 to the upper screen 7 is such that the short side of the first cam 11 cannot touch the upper screen 7 when the first cam 11 rotates, the long side of the first cam 11 can hit the upper screen 7, and the first cam 11 can hit the upper screen 7 with a gap when rotating. The beating mechanism 9 comprises a second cam 13 rotatably arranged on the fixed frame 1 and a second driving motor 14 for driving the second cam 13 to rotate, the distance from the second cam 13 to the lower screen cloth 8 is such that the short side of the second cam 13 cannot touch the lower screen cloth when the second cam 13 rotates, the long side of the second cam 13 can hit the lower screen cloth 8, and the second cam 13 can hit the lower screen cloth 8 with a gap when rotating. The fixing frame 1 comprises a back plate 18 and side panels, wherein the side panels comprise a first side panel 19 and a second side panel 20; the upper layer screen 7 is installed obliquely downwards along the direction from the first side panel 19 to the second side panel 20, and screen baffles 21 are arranged on two sides of the upper layer screen 7 along the direction from the first side panel 19 to the second side panel 20. The fixing frame 1 further comprises a top plate 29, and the feeding funnel 17 is arranged on the top plate 29.

As shown in fig. 1, 2 and 3, the distance from the end of the collecting tray 4 away from the back plate 18 to the end close to the back plate 18 is greater than the distance from the end of the upper screen 7 away from the back plate 18 to the end close to the back plate 18, and the distance from the end of the collecting tray 4 close to the first side panel 19 to the end close to the second side panel 20 is greater than the distance from the end of the upper screen 7 close to the first side panel 19 to the end close to the second side panel 20. The two sides of the collecting tray 4 are provided with collecting baffles 22 along the direction from the first side panel 19 to the second side panel 20, the collecting tray 4 is obliquely installed downwards along the direction from the first side panel 19 to the second side panel 20, one end of the collecting tray 4 close to the second side panel 20 is provided with a first discharging channel 23, the first discharging channel 23 is obliquely installed downwards along the direction from the end far away from the back plate 18 to the end close to the back plate 18, a first discharging hole 24 is arranged at the joint of the back plate 18 and the first discharging channel 23, and the first discharging channel 23 penetrates through the back plate 18 through the first discharging hole 24. And a residue tray 25 is arranged below the lower-layer screen mesh 8, the distance from one end of the residue tray 25 departing from the back plate 18 to one end close to the back plate 18 is greater than the distance from one end of the lower-layer screen mesh 8 departing from the back plate 18 to one end close to the back plate 18, and the distance from one end of the residue tray 25 close to the first side panel 19 to one end close to the second side panel 20 is greater than the distance from one end of the lower-layer screen mesh 8 close to the first side panel 19 to one end close to the second side panel 20. Two sides of the residue tray 25 are provided with residue baffles 26 along the direction from the first side panel 19 to the second side panel 20, the residue tray 25 is obliquely installed downwards along the direction from the first side panel 19 to the second side panel 20, one end of the residue tray 25 close to the second side panel 20 is provided with a second discharging channel 27, the second discharging channel 27 is obliquely installed downwards along the direction from the end far away from the back panel 18 to the end close to the back panel 18, the joint of the back panel 18 and the second discharging channel 27 is provided with a second discharging hole 28, and the second discharging channel 27 passes through the back panel 18 through the second discharging hole 28.

The specific working process is as follows: powder material gets into the screening machine from feed hopper 17 and falls on upper screen 7, powder material slides along upper screen 7 under the effect of gravity, start first driving motor 12, first cam 11 of first driving motor 12 drive is rotatory, 11 interstitial impact upper screen 7 of first cam, the suitable material of particle diameter falls into tray 4 that gathers materials through upper screen 7 in, the suitable material of particle diameter slides to first discharging channel 23 along tray 4 that gathers materials under the effect of gravity in, reach first discharge gate 24 along first discharging channel 23 again and collect. The material with larger particles can not pass through the upper-layer screen 7, slides along the upper-layer screen 7 under the action of gravity, finally falls into the second discharge channel 27 of the residue tray 25, and then reaches the second discharge hole 28 along the second discharge channel 27 for collection.

After some sieve meshes 5 on the upper screen 7 are blocked by the material, the third driving motor 16 is started, the third driving motor 16 drives the driving roller 15 to rotate, the screen conveyer belt 6 is driven to rotate, the screen 2 which is not blocked rotates from the lower layer to the upper layer, the screen 2 which is blocked rotates from the upper layer to the lower layer, and the upper screen 7 can continue to screen the material. By the screen cloth 2 in stifled hole from the upper strata rotate to lower floor, 5 directions transfers of sieve mesh after screen cloth 2 from the upper strata rotation to the lower floor by the stifled hole, original card hole material transfer to screen cloth 2 below in screen cloth 2 top, start second driving motor 14, second driving motor 14 drives second cam 13 rotatory, second cam intermittent type beats by the lower floor screen cloth 8 in stifled hole, stifled card hole material at screen cloth 5 breaks away from lower floor screen cloth 8 because vibrations and gets into defective material tray 25, slide to second discharging channel 27 along defective material tray 25 under the effect of gravity, slide to second discharge gate 28 along second discharging channel 27 under the effect of gravity, the staff passes through second discharge gate 28 and collects the card hole material. The purpose of preventing the blockage of the holes is realized through the operation process.

The operation process is repeated in sequence, the screen conveyer belt 6 is rotated and beaten circularly, and the purposes of continuous production, no damage to the screen and hole blockage prevention are achieved.

Claims

1. The utility model provides an anti-blocking screening machine, includes mount (1), be provided with screen cloth (2), be used for vibrating screen cloth (2) vibration mechanism (3) and collection material tray (4) on mount (1), its characterized in that: screen cloth conveyer belt (6) for having a plurality of sieve meshes (5) in screen cloth (2), screen cloth conveyer belt (6) are close to mount (1) top and are upper screen cloth (7), screen cloth conveyer belt (6) are close to mount (1) below and are lower floor's screen cloth (8), upper screen cloth (7) top installation is used for vibrating vibration mechanism (3) of upper screen cloth (7), upper screen cloth (7) below installation is used for collecting tray (4) of gathering materials, the top of lower floor's screen cloth (8) is installed and is used for beating mechanism (9) of beating lower floor's screen cloth (8), driven actuating mechanism (10) of drive screen cloth conveyer belt (6) are installed to the corresponding position of lower floor's screen cloth (8).

2. The anti-blocking screening machine according to claim 1, characterized in that: the vibrating mechanism (3) comprises a first cam (11) rotatably arranged on the fixed frame (1) and a first driving motor (12) used for driving the first cam (11) to rotate, and the first cam (11) can impact the upper-layer screen mesh (7) at intervals when rotating.

3. The anti-blocking screening machine according to claim 1, characterized in that: the beating mechanism (9) comprises a second cam (13) rotationally arranged on the fixed frame (1) and a second driving motor (14) used for driving the second cam (13) to rotate, and the second cam (13) can strike the lower-layer screen (8) at intervals when rotating.

4. The anti-blocking screening machine according to claim 1, characterized in that: the fixed frame (1) is provided with a driving roller (15), and the screen conveyer belt (6) is stretched on the driving roller (15); the driving mechanism (10) comprises a third driving motor (16) for driving the driving roller (15) to rotate.

5. The anti-blocking screening machine according to claim 1, characterized in that: the fixing frame (1) comprises a back plate (18) and side panels, wherein the side panels comprise a first side panel (19) and a second side panel (20); the upper-layer screen (7) is obliquely and downwards installed along the direction from the first side panel (19) to the second side panel (20), two screen baffles (21) are arranged between the first side panel (19) and the second side panel (20), and the upper-layer screen (7) is positioned between the two screen baffles (21).

6. The anti-blocking screening machine according to claim 5, characterized in that: the direction of tray (4) both sides of gathering materials along first side board (19) to second side board (20) be provided with baffle (22) that gathers materials, tray (4) of gathering materials install along the direction slant of first side board (19) to second side board (20) down, the one end that tray (4) of gathering materials are close to second side board (20) is provided with first discharging channel (23), first discharging channel (23) are installed to the direction slant that is close to backplate (18) end down along keeping away from backplate (18), backplate (18) and first discharging channel (23) junction set up first discharge gate (24).

7. The anti-blocking screening machine according to claim 5, characterized in that: the material residue tray is characterized in that a material residue tray (25) is installed below the lower-layer screen (8), material residue baffles (26) are arranged on two sides of the material residue tray (25) along the direction from the first side panel (19) to the second side panel (20), the material residue tray (25) is obliquely and downwards installed along the direction from the first side panel (19) to the second side panel (20), a second discharging channel (27) is arranged at one end, close to the second side panel (20), of the material residue tray (25), the second discharging channel (27) is obliquely and downwards installed along the direction from the end far away from the back panel (18) to the end close to the back panel (18), and a second discharging port (28) is formed at the joint of the back panel (18) and the second discharging channel (27).