CN216297008U

CN216297008U - Spiral middlings screening plant of multilayer

Info

Publication number: CN216297008U
Application number: CN202121969440.XU
Authority: CN
Inventors: 王彬
Original assignee: Gaobeidian Fenglin Heshun Concrete Co ltd
Current assignee: Gaobeidian Fenglin Heshun Concrete Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-04-15
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a multilayer spiral type medium sand screening device, which relates to the technical field of screening equipment and comprises a base and a box body, wherein the box body is fixedly installed at the top end of the base, two supporting plates are arranged on two sides inside the base, a bottom plate is fixedly installed at the central position of the bottom end of the box body, a slewing bearing is fixedly installed at the upper end of the bottom plate, the top end of the slewing bearing is rotatably connected with a fixed block, and the top end of the fixed block is fixedly connected with a screening mechanism. The multi-layer spiral sieve plate is arranged to sieve materials, the spiral sieve plates can be installed according to the size types of the screened sizes, and the multi-layer spiral sieve plates can sieve various sizes of the same materials, so that the use limitation of the sieving device is improved.

Description

Spiral middlings screening plant of multilayer

Technical Field

The utility model relates to the technical field of screening equipment, in particular to a multi-layer spiral type medium sand screening device.

Background

The process of dividing the material to be crushed into different size fractions by one or more layers of screening surface is called screening. The sieving machine is a vibrating sieving mechanical device which utilizes the relative movement of bulk materials and a sieve surface to lead partial particles to penetrate through sieve pores and divide materials such as sand, gravel, broken stone and the like into different grades according to the particle size. The screening process of the screening machine is generally continuous, after screening raw materials are fed onto a screening machine (called a screen for short), materials smaller than the size of the screen holes penetrate through the screen holes and are called undersize products; material larger than the mesh size is continuously discharged from the screening surface and is referred to as oversize product.

Present screening plant is the drum-type mostly, and the during operation cylinder rotates and sieves not unidimensional material, but this kind of screening mode can only sieve two kinds of different size materials that are, has certain use limitation, and the material is piled up together when sieving the ejection of compact, needs manually to shakeout the material and increases the volume of piling.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multilayer spiral type medium sand screening device, which aims to solve the problems that most of the existing screening devices in the background art are drum-type devices, and the drum rotates to screen materials with different sizes when in use, but the screening mode can only screen two materials with different sizes, has certain use limitation, and the materials are stacked together when in screening and discharging, and the materials need to be manually flattened to increase the stacking amount, so that the labor intensity of workers is increased.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:

a multilayer spiral type medium sand screening device comprises a base and a box body, wherein the box body is fixedly installed at the top end of the base, two supporting plates are arranged on two sides of the inner portion of the base, a feed inlet is formed in the upper end of one side of the box body, a bottom plate is fixedly installed at the bottom center of the box body, a slewing bearing is fixedly installed at the upper end of the bottom plate, a fixed block is rotatably connected to the top end of the slewing bearing, a screening mechanism is fixedly connected to the top end of the fixed block and comprises a fixed shaft, spiral screen plates, screen holes, side baffles, a front baffle, a discharge port and a material receiving box, the bottom end of the fixed shaft is fixedly installed at the center of the upper surface of the fixed block, a plurality of spiral screen plates are welded on the surface of the fixed shaft, a plurality of screen holes are formed in the surfaces of the spiral screen plates, the screen holes penetrate through the spiral screen plates, the side baffles are welded at positions on two sides of the upper surface of the spiral screen plates, the spiral screen plate is characterized in that a front baffle is welded at the top end of the spiral screen plate, the surfaces of two sides of the front baffle are abutted to the side surfaces of the two side baffles, and a discharge port is formed in the tail end of the spiral screen plate.

Preferably, there is driving motor inside one side fixed mounting of base, driving motor's pivot end fixedly connected with first drive gear, the bottom central point department of location fixedly connected with transmission shaft of fixed block, the one end of transmission shaft runs through bottom plate, slewing bearing and box and extends to the inside of base, the transmission shaft extends to the inside one end fixedly connected with second drive gear of base.

Preferably, the surface of fixed axle is provided with the spiral sieve board that a backup pad equidistance was arranged, and the backup pad is individual the sieve mesh aperture that spiral sieve board surface was seted up reduces gradually from the top down, and the backup pad is individual the end of spiral sieve board all is provided with the discharge gate, and the length of discharge gate reduces from the top down gradually.

Preferably, the inside of box is located the outer edge position department of bottom plate and is provided with the individual material receiving box of backup pad, and the backup pad is individual the height of material receiving box reduces by outside to the interior gradually, and the backup pad is individual material receiving box is located the backup pad respectively individual under the bottom of discharge gate.

Preferably, the bottom end of the feed inlet penetrates through the box body and extends to the topmost end, and the bottom end of the feed inlet is directly above the spiral sieve plate.

Preferably, the first transmission gear is meshed with the second transmission gear, and the driving motor is in transmission connection with the transmission shaft through the first transmission gear and the second transmission gear.

Compared with the prior art, the utility model provides a multi-layer spiral type medium sand screening device, which has the following beneficial effects:

the multi-layer spiral sieve plate is arranged to sieve materials, the spiral sieve plates can be installed according to the size types of the screened sizes, the multi-layer spiral sieve plates can sieve various sizes of the same materials, the use limitation of the sieving device is improved, the spiral sieve plates are driven to rotate and sieve by driving the electric motor, the discharge port is rotated, the materials flow into the corresponding material receiving box from the discharge port, the discharge port uniformly rotates, the materials are distributed in the material receiving box, the situation that the materials are stacked at one position is prevented, the materials do not need to be flattened manually, and the labor intensity of workers is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a multi-layer spiral type medium sand screening device of the utility model;

FIG. 2 is a schematic perspective view of the sifting mechanism of the present invention;

FIG. 3 is a front view of the screening mechanism of the present invention;

the reference numbers in the figures are:

1. a base; 2. a box body; 3. a support plate; 4. a feed inlet; 5. a drive motor; 6. a first drive gear; 7. a base plate; 8. a slewing bearing; 9. a fixed block; 10. a drive shaft; 11. a second transmission gear; 12. a fixed shaft; 13. a spiral sieve plate; 14. screening holes; 15. a side dam; 16. a front baffle; 17. a discharge port; 18. a material receiving box.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-3, a multi-layer spiral type medium sand screening device comprises a base 1 and a box body 2, wherein the box body 2 is fixedly installed at the top end of the base 1, two supporting plates 3 are arranged at two sides inside the base 1, a feeding hole 4 is arranged at the upper end of one side of the box body 2, a bottom plate 7 is fixedly installed at the central position of the bottom end of the box body 2, a slewing bearing 8 is fixedly installed at the upper end of the bottom plate 7, a fixed block 9 is rotatably connected to the top end of the slewing bearing 8, a screening mechanism is fixedly connected to the top end of the fixed block 9 and comprises a fixed shaft 12, spiral sieve plates 13, sieve holes 14, side baffle plates 15, a front baffle plate 16, a discharging hole 17 and a material receiving box 18, the bottom end of the fixed shaft 12 is fixedly installed at the center of the upper surface of the fixed block 9, a plurality of spiral sieve plates 13 are welded on the surface of the fixed shaft 12, and a plurality of sieve holes 14 are formed in the surfaces of the spiral sieve plates 13, and the sieve pore 14 runs through the spiral sieve plate 13, the side baffles 15 are welded at the positions on both sides of the upper surface of the spiral sieve plate 13, the front baffle 16 is welded at the position of the top end of the spiral sieve plate 13, the surfaces on both sides of the front baffle 16 are abutted against the sides of the two side baffles 15, and the tail end of the spiral sieve plate 13 is provided with a discharge port 17.

Further, a driving motor 5 is fixedly installed on one side inside the base 1, a first transmission gear 6 is fixedly connected to a rotating shaft end of the driving motor 5, a transmission shaft 10 is fixedly connected to the center of the bottom end of the fixing block 9, one end of the transmission shaft 10 penetrates through the bottom plate 7, the rotary support 8 and the box body 2 and extends into the base 1, a second transmission gear 11 is fixedly connected to one end of the transmission shaft 10 extending into the base 1, the driving motor 5 is started, the driving motor 5 drives the first transmission gear 6 to rotate, the second transmission gear 11 is driven to rotate due to the fact that the first transmission gear 6 is meshed with the second transmission gear 11, the transmission shaft 10 is further driven to rotate, the fixing block 9 is rotatably installed at the upper end of the bottom plate 7 through the rotary support 8, the first transmission gear 6 is meshed with the second transmission gear 11, and the driving motor 5 is in transmission connection with the transmission shaft 10 through the first transmission gear 6 and the second transmission gear 11, because the fixed block 9 is fixedly connected with the fixed shaft 12, the fixed block 9 drives the fixed shaft 12 to rotate, the spiral sieve plate 13 is used for rotationally sieving materials, the rotation direction of the driving motor 5 which drives the fixed shaft 12 is opposite to the spiral direction of the spiral sieve plate 13, when the fixed shaft 12 drives the spiral sieve plate 13 to rotate, the downward flow speed of the materials in the spiral sieve plate 13 can be delayed, the materials are overturned under the action of opposite rotation, and the sieving effect of the materials is improved.

Specifically, the surface of fixed axle 12 is provided with the spiral sieve 13 that 3 equidistance of backup pad were arranged, and 14 apertures of sieve mesh that 3 spiral sieve 13 surfaces of backup pad were seted up reduce gradually from the top down, and the end of 3 spiral sieve 13 of backup pad all is provided with discharge gate 17, and the length of discharge gate 17 reduces gradually from the top down.

Specifically, 3 material receiving boxes 18 of backup pad are provided with along position department outside that the inside of box 2 is located

bottom plate

7, 3 material receiving boxes 18 of backup pad highly by outer to interior reducing gradually, and 3 material receiving boxes 18 of backup pad are located 3 discharge gates 17 of backup pad under the bottom respectively, the even annular form of box 2 and material receiving box 18, and material receiving box 18 and box 2 phase-match, the outermost material receiving box 18 of spiral sieve 13 symmetry of first layer, the spiral sieve 13 of last layer corresponds the material receiving box 18 of inlayer, prevent that the material is because the corresponding material receiving box 18 of difference in height skew of spiral sieve 13 when getting rid of.

Specifically, the bottom end of the feed port 4 extends through the box body 2 to a position right above the topmost spiral sieve plate 13. The bottom plate 7, the slewing bearing 8 and the fixing block 9 are coaxially arranged, and the transmission shaft 10 penetrates through the bottom plate 7, the slewing bearing 8, the fixing block 9, the base 1 and the box body 2 and rotates between the two.

The working principle and the using process of the utility model are as follows: after the utility model is installed, when the utility model is checked to be used without errors, materials are poured into the feeding hole 4, under the action of gravity, the materials flow into the spiral sieve plate 13 of the first layer, at the moment, the driving motor 5 is started, the driving motor 5 drives the first transmission gear 6 to rotate, the first transmission gear 6 is meshed with the second transmission gear 11, so the second transmission gear 11 is driven to rotate, the transmission shaft 10 is driven to rotate, the fixed block 9 is rotatably installed at the upper end of the bottom plate 7 through the slewing bearing 8, the fixed block 9 is fixedly connected with the fixed shaft 12, so the fixed block 9 drives the fixed shaft 12 to rotate, the spiral sieve plate 13 is driven to rotatably sieve the materials, the spiral sieve plate 13 of the first layer keeps the materials with larger size on the spiral sieve plate 13, the materials with smaller size are leaked to the second layer, and the same is true for the spiral sieve plate 13 of the second layer, then the end that the material on this layer flowed into spiral sieve 13 flows into corresponding material receiving box 18 inside through discharge gate 17, can sieve the multiple size of the same material through multilayer spiral sieve 13, the use limitation of screening plant has been improved, and in the rotatory screening of spiral sieve 13, make discharge gate 17 take place the rotation, and then make the material flow into corresponding material receiving box 18 inside from discharge gate 17, because discharge gate 17 evenly takes place to rotate, thereby make the material be distributed inside material receiving box 8, prevent that the material from taking place the accumulational condition in one department, do not need artifical manual with the material shakeout, workman's intensity of labour has been reduced.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a spiral middlings screening plant of multilayer, includes base (1) and box (2), its characterized in that: the automatic material screening device is characterized in that a box body (2) is fixedly mounted at the top end of the base (1), two supporting plates (3) are arranged on two sides of the base (1), a feeding hole (4) is formed in the upper end of one side of the box body (2), a bottom plate (7) is fixedly mounted at the center of the bottom end of the box body (2), a slewing bearing (8) is fixedly mounted at the upper end of the bottom plate (7), a fixed block (9) is rotatably connected to the top end of the slewing bearing (8), a screening mechanism is fixedly connected to the top end of the fixed block (9), the screening mechanism comprises a fixed shaft (12), spiral sieve plates (13), sieve holes (14), side baffles (15), a front baffle plate (16), a discharging hole (17) and a material receiving box (18), the bottom end of the fixed shaft (12) is fixedly mounted in the center of the upper surface of the fixed block (9), and a plurality of spiral sieve plates (13) are welded on the surface of the fixed shaft (12), a plurality of sieve mesh (14) have all been seted up on the surface of spiral sieve board (13), just spiral sieve board (13) is run through in sieve mesh (14), side shield (15) have all been welded in the upper surface both sides position department of spiral sieve board (13), the welding of the top position department of spiral sieve board (13) has preceding baffle (16), the both sides surface and two of preceding baffle (16) side looks butt (15), the terminal position department of spiral sieve board (13) is provided with discharge gate (17).

2. The multi-deck spiral type medium sand screening device according to claim 1, wherein: the utility model discloses a quick-witted bearing, including base (1), the inside one side fixed mounting of base (1) has driving motor (5), the pivot end fixedly connected with drive gear (6) of driving motor (5), the bottom central point department fixedly connected with transmission shaft (10) of fixed block (9), the one end of transmission shaft (10) runs through bottom plate (7), slewing bearing (8) and box (2) and extends to the inside of base (1), transmission shaft (10) extend to the inside one end fixedly connected with second drive gear (11) of base (1).

3. The multi-deck spiral type medium sand screening device according to claim 1, wherein: the surface of fixed axle (12) is provided with spiral sieve (13) that backup pad (3) equidistance was arranged, and backup pad (3) sieve mesh (14) aperture that spiral sieve (13) surface was seted up reduces gradually from the top down, and backup pad (3) the end of spiral sieve (13) all is provided with discharge gate (17), and the length of discharge gate (17) reduces from the top down gradually.

4. The multi-deck spiral type medium sand screening device according to claim 1, wherein: the inside of box (2) is located the outer edge position department of bottom plate (7) and is provided with backup pad (3) material receiving box (18), and backup pad (3) is individual the height of material receiving box (18) is reduced by outer to interior gradually, and backup pad (3) material receiving box (18) are located backup pad (3) respectively under the bottom of discharge gate (17).

5. The multi-deck spiral type medium sand screening device according to claim 1, wherein: the bottom end of the feed port (4) penetrates through the box body (2) and extends to the topmost end, and the spiral sieve plate (13) is arranged right above the bottom end.

6. The multi-deck spiral type medium sand screening device according to claim 1, wherein: the bottom plate (7), the slewing bearing (8) and the fixing block (9) are coaxially arranged.

7. The multi-deck spiral type medium sand screening device according to claim 2, wherein: the first transmission gear (6) is meshed with the second transmission gear (11), and the driving motor (5) is in transmission connection with the transmission shaft (10) through the first transmission gear (6) and the second transmission gear (11).