CN216094686U

CN216094686U - Screening plant of gypsum raw materials

Info

Publication number: CN216094686U
Application number: CN202121949483.1U
Authority: CN
Inventors: 陈默
Original assignee: Panzhihua Lvye New Wall Material Co ltd
Current assignee: Panzhihua Lvye New Wall Material Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-03-22
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses a gypsum raw material screening device which comprises a frame and a circular screening barrel, wherein the screening barrel is horizontally arranged and has an inclination angle relative to a horizontal plane, a plurality of sieve holes are uniformly distributed in the middle section of the screening barrel, two guide rings are sleeved on the screening barrel and are respectively positioned on the outer sides of the sieve holes, two circular arc support rings are correspondingly arranged on the frame, guide grooves matched with the guide rings are arranged on the inner arc surfaces of the support rings, a feed hopper is arranged on the frame, the lower end of the feed hopper is connected with a sliding chute, the tail end of the sliding chute extends into the inlet end of the screening barrel, the outlet end of the screening barrel is provided with a slag discharge chute, and the gypsum raw material screening device also comprises a material receiving plate arranged below the screening barrel and a rotary driving mechanism driving the screening barrel to rotate. The device can sieve the gypsum raw materials large granule after the grinding mill feeding front end was broken, is favorable to avoiding the grinding mill feeding jamming, reduces the manual operation of grinding mill material loading, reduces the wearing and tearing to the grinding mill.

Description

Screening plant of gypsum raw materials

Technical Field

The utility model relates to the field of plastering gypsum, in particular to a screening device for gypsum raw materials.

Background

The light plastering gypsum is an indoor wall plastering leveling material prepared by taking building gypsum powder as a cementing material and mixing various additives and light aggregates, has the advantages of rich raw materials, low price, simple production process, convenient construction, good heat preservation effect and the like, and is a novel building engineering material. Need carry out breakage, crocus to the gypsum ore in the light plaster production process that plasters to adopt the jaw breaker to carry out broken gypsum ore usually, because gypsum raw materials particle size difference after the breakage is great, the condition of large granule card material appears easily when feeding to the milling machine, cause the milling machine feeding to need artifical assistance, the milling machine feeding can be interrupted because of the card material sometimes moreover, can cause certain influence to the milling machine life-span like this.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the problem to the great and influence the milling machine feeding of gypsum raw materials granule size difference after present breakage provides a screening plant of gypsum raw materials, and the device can be screened the gypsum raw materials granule after the grinding machine feeding front end is broken, is favorable to avoiding milling machine feeding jamming, reduces the manual operation of milling machine material loading, reduces the wearing and tearing to the milling machine.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a screening device for gypsum raw materials comprises a frame and a circular screening barrel arranged on the frame, wherein the screening barrel is horizontally arranged and has an inclination angle relative to a horizontal plane, a plurality of sieve meshes are uniformly distributed on the middle section of the screening barrel, two guide rings are sleeved on the screening barrel and are respectively positioned outside the sieve meshes, two circular arc support rings are correspondingly arranged on the frame, guide grooves matched with the guide rings are arranged on the inner arc surfaces of the support rings, a feed hopper for receiving the crushed gypsum raw materials is arranged on the frame, the lower end of the feed hopper is connected with a sliding chute, the tail end of the sliding chute extends into the inlet end of the screening barrel, the outlet end of the screening barrel is provided with a slag discharge groove and further comprises a material receiving plate and a rotary driving mechanism, the material receiving plate is positioned below the sieve meshes of the screening barrel, and the bottom of the material receiving plate is provided with a material conveying pipe, the rotary driving mechanism is used for driving the screening cylinder to rotate around the axis.

When the screening drum is used, broken gypsum raw materials are fed into an inlet end of the screening drum through the feed hopper and the sliding chute, the screening drum is provided with the guide ring, the inner cambered surface of the support ring on the rack is provided with the guide chute, the screening drum can be driven to rotate around the axis by utilizing the rotation driving mechanism, the guide ring and the guide chute are matched to limit the screening drum in the radial direction and the axial direction, the screening drum is obliquely arranged, when the gypsum raw materials rotate along with the screening drum, the gypsum raw materials separated by the sieve holes are fed into the pulverizer through the material receiving plate and the material conveying pipe, and large particles after screening continuously move to an outlet end of the screening drum and are discharged through the slag discharge chute; the device can sieve the gypsum raw materials large granule after the grinding mill feeding front end was broken, is favorable to avoiding the grinding mill feeding jamming, reduces the manual operation of grinding mill material loading, reduces the wearing and tearing to the grinding mill.

As a preferred scheme of the utility model, the rotary driving mechanism comprises a driving motor, a driving gear and a driven gear ring, the driving motor is arranged on the rack, the driving gear is connected with an output shaft of the driving motor, the driven gear ring is sleeved on the outer wall of the screening drum, and the driving gear is meshed with the driven gear ring. When the screening drum is used, the driving gear is driven to rotate through the driving motor, and then the driven gear ring is driven to synchronously rotate, so that the screening drum rotates around the axis.

As a preferable scheme of the utility model, a plurality of barrier strips are uniformly distributed on the inner wall of the screening cylinder, and the barrier strips extend along the length direction of the screening cylinder. Through set up a plurality of blend stops at screening section of thick bamboo inner wall along length direction equipartition, can take the gypsum raw materials to higher position when screening section of thick bamboo rotates and fall down again to play the effect of throwing the material, be favorable to improving screening efficiency.

In a preferred embodiment of the present invention, the guide ring and the guide groove have adaptive semicircular cross sections.

As a preferable scheme of the utility model, the inclination angle of the screening cylinder relative to the horizontal plane is 3-5 degrees.

As a preferable embodiment of the present invention, the number of the barrier strips is four.

In a preferred embodiment of the present invention, grease is applied to the guide grooves to reduce friction and noise when the classifying cylinder rotates.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

Drawings

FIG. 1 is a schematic view of a gypsum raw material screening apparatus according to the present invention.

Fig. 2 is a schematic cross-sectional view of the screen cylinder of fig. 1 at a mid-section thereof.

Fig. 3 is a schematic longitudinal cross-sectional view of the screen cartridge of fig. 1 at the location of the guide ring.

The labels in the figure are: 1-frame, 2-screening cylinder, 21-screen hole, 22-barrier strip, 3-guide ring, 4-support ring, 41-guide groove, 5-feed hopper, 51-sliding material groove, 6-slag discharge groove, 7-receiving plate, 71-conveying pipe, 8-rotary driving mechanism, 81-driving motor, 82-driving gear, 83-driven gear ring.

Detailed Description

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

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Examples

The embodiment provides a screening device for gypsum raw materials;

as shown in fig. 1-3, the screening device for gypsum raw materials in this embodiment includes a frame 1 and a circular screening drum 2 disposed on the frame 1, the screening drum 2 is horizontally disposed and has an inclination angle with respect to a horizontal plane, a plurality of screen holes 21 are uniformly distributed on a middle section of the screening drum 2, two guide rings 3 are sleeved on the screening drum 2, the two guide rings 3 are respectively located outside the screen holes, two circular support rings 4 are correspondingly and fixedly disposed on the frame 1, guide grooves 41 adapted to the guide rings 3 are disposed on an inner arc surface of the support rings 4, a feed hopper 5 for receiving the broken gypsum raw materials is disposed on the frame 1, a chute 51 is connected to a lower end of the feed hopper 5, a tail end of the chute 51 extends into an inlet end of the screening drum 2, a slag discharge groove 6 is disposed at an outlet end of the screening drum 2, a material receiving plate 7 and a rotation driving mechanism 8 are further included, connect flitch 7 to fix in frame 1 and be located the sieve mesh below of screening section of thick bamboo 2, connect flitch 7 bottom to be equipped with conveying pipeline 71, rotary drive mechanism 8 is used for driving screening section of thick bamboo 2 and carries out rotary motion around the axis.

In this embodiment, the rotation driving mechanism 8 includes a driving motor 81, a driving gear 82 and a driven gear ring 83, the driving motor 81 is fixedly disposed on the frame 1, the driving gear 82 is connected to an output shaft of the driving motor 81, the driven gear ring 83 is sleeved on an outer wall of the sieving cylinder 2, and the driving gear 82 and the driven gear ring 83 are engaged with each other. When the screening drum is used, the driving gear is driven to rotate through the driving motor, and then the driven gear ring is driven to synchronously rotate, so that the screening drum rotates around the axis. Preferably, the diameter of the driving gear 82 is smaller than that of the driven ring gear 83, so that a deceleration effect is achieved, and the sieving cylinder rotates at a slower speed.

In this embodiment, 2 inner walls equipartitions of screening section of thick bamboo are equipped with a plurality of blend stops 22, blend stop 22 extends along 2 length direction of screening section of thick bamboo and arranges. Through set up a plurality of blend stops at screening section of thick bamboo inner wall along length direction equipartition, can take the gypsum raw materials to higher position when screening section of thick bamboo rotates and fall down again to play the effect of throwing the material, be favorable to improving screening efficiency. Preferably, the number of the barrier strips 22 is four, and the barrier strips are distributed on the inner wall of the screening cylinder 2 at intervals of 90 degrees. Further preferably, the height of the barrier strip 22 protruding from the inner wall of the sieving cylinder 2 is 2-5 cm.

In this embodiment, the cross-sections of the guide ring 3 and the guide groove 41 are in a matched semicircular shape, and the guide ring 3 can be fixed on the outer wall of the sieving cylinder 2 by welding or the like. Preferably, grease is applied to the guide grooves 41 to reduce friction and noise during rotation of the classifying cylinder and to reduce wear of the contact surfaces.

In this embodiment, the inclination angle of the screening cylinder 2 relative to the horizontal plane is 3-5 degrees, so that the axis of the screening cylinder has a proper inclination angle, the high-position end of the screening cylinder 2 is the inlet end, the sliding chute 51 is arranged at the inlet end, the low-position end of the screening cylinder 2 is the outlet end, the slag discharge chute 6 is arranged at the outlet end, thus facilitating the movement of the gypsum raw material during screening, and large particles after screening are completely discharged from the outlet end of the screening cylinder.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit of the present invention are intended to be included within the scope of the present invention.

Claims

1. The screening device for the gypsum raw materials is characterized by comprising a rack and a circular screening barrel arranged on the rack, wherein the screening barrel is horizontally arranged and has an inclination angle relative to a horizontal plane, a plurality of screen holes are uniformly distributed in the middle section of the screening barrel, the screening barrel is sleeved with two guide rings, the two guide rings are respectively positioned outside the screen holes, two arc-shaped support rings are correspondingly arranged on the rack, guide grooves matched with the guide rings are arranged on the inner arc surfaces of the support rings, a feed hopper used for receiving the crushed gypsum raw materials is arranged on the rack, the lower end of the feed hopper is connected with a sliding chute, the tail end of the sliding chute extends into the inlet end of the screening barrel, a slag discharge groove is arranged at the outlet end of the screening barrel, the screening device further comprises a material receiving plate and a rotary driving mechanism, the material receiving plate is positioned below the screen holes of the screening barrel, and a material conveying pipe is arranged at the bottom of the material receiving plate, the rotary driving mechanism is used for driving the screening cylinder to rotate around the axis.

2. A screening apparatus for gypsum material as recited in claim 1, wherein said rotary drive mechanism includes a drive motor, a drive gear and a driven gear ring, said drive motor is mounted on said frame, said drive gear is connected to an output shaft of said drive motor, said driven gear ring is sleeved on an outer wall of said screening drum, said drive gear is engaged with said driven gear ring.

3. The gypsum raw material screening device as claimed in claim 2, wherein a plurality of barrier strips are uniformly distributed on the inner wall of the screening cylinder, and the barrier strips extend along the length direction of the screening cylinder.

4. A screening apparatus for gypsum material according to any one of claims 1 to 3, wherein the guide rings and the guide grooves are adapted to be semi-circular in cross-section.

5. A screening apparatus for gypsum material according to any one of claims 1 to 3, wherein the angle of inclination of the screening drum with respect to the horizontal is 3 to 5 °.

6. A screening apparatus for gypsum material as claimed in claim 3, wherein the number of bars is four.

7. A screening apparatus for gypsum material according to any one of claims 1 to 3, wherein grease is applied to the guide grooves.