CN217432265U

CN217432265U - Raw materials screening plant is used in pitch production

Info

Publication number: CN217432265U
Application number: CN202220647379.5U
Authority: CN
Inventors: 秦拥军; 贾兵; 张渔舰; 王晓戈
Original assignee: Xinjiang China Carbon New Material Technology Co ltd
Current assignee: Xinjiang China Carbon New Material Technology Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-09-16
Anticipated expiration: 2032-03-22

Abstract

The utility model belongs to the technical field of the pitch production, specifically disclose a raw materials screening plant is used in pitch production, including the screening case, the filter screen with be used for the rotary screening rotary mechanism of case, the filter screen rigid coupling is in screening incasement portion, still include, rotary mechanism includes first pivot and is used for driving first pivot pivoted motor, the one end of first pivot runs through the both sides of screening case in proper order, it is connected with two backup pads to rotate on the first pivot, two backup pads are located the both sides of screening case, the top intercommunication of screening case has the feeder hopper, the bottom intercommunication of screening case has row material pipe, first pivot is located the below of filter screen. The utility model discloses be convenient for discharge the large granule raw materials after filtering and sieve the case to improve the efficiency of raw materials screening.

Description

Raw materials screening plant is used in pitch production

Technical Field

The utility model relates to a pitch production technical field, concretely relates to raw materials screening plant is used in pitch production.

Background

When the asphalt is produced, the raw materials need to be subjected to mild oxidation processing to improve the performance of the asphalt, the oxidation processing procedure mainly comprises the steps of mixing part of the raw materials into the asphalt, introducing air at a certain temperature to change the internal composition of the asphalt, increase the softening point, and achieve the specification index and the service performance requirement of the asphalt by the penetration degree and the temperature sensitivity, wherein the raw materials need to be screened before being mixed into the asphalt, so that the size of the raw materials is suitable for being mixed into the asphalt, and the quality of the modified asphalt is prevented from being influenced by overlarge raw materials.

Among the prior art, when carrying out the filter sieve, the common adoption filters the filter screen of incasement portion of screening with the leading-in screening of raw materials incasement, and the granule that wherein accords with the size drops to the filter screen below, and great raw materials then stops on the filter screen, if not in time clear up then can cause and pile up, and then lead to the fact the influence to the filtering quality of filter screen, mainly adopt to clear up again after tearing down the filter screen at present, and work efficiency is very low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a raw materials screening plant is used in pitch production to solve among the prior art because there is not the clean mechanism of special filter screen and lead to the difficult discharge of raw materials screening case of great granule.

In order to achieve the above object, the utility model provides a basic scheme does: raw materials screening plant is used in pitch production, including screening case and filter screen, the filter screen rigid coupling is in screening incasement portion, still including the rotary mechanism who is used for the rotary screening case, rotary mechanism includes first pivot and is used for driving first pivot pivoted motor, the one end of first pivot runs through the both sides of screening case in proper order, it is connected with two backup pads, two to rotate on the first pivot the backup pad is located the both sides of screening case, the top intercommunication of screening case has the feeder hopper, the bottom intercommunication of screening case has row's material pipe, first pivot is located the below of filter screen.

The utility model discloses a principle and beneficial effect lie in: when screening the raw materials, at first drop into the screening incasement with the raw materials from the feeder hopper, the raw materials that get into the screening case passes through after the filter screen screening, the raw materials of small granule falls into the bottom of screening case, and discharge from row material pipe, and the raw materials of big granule then stops on the top of filter screen, when the large granule raw materials on filter screen top is more, staff's starter motor rotates, the motor rotates then to drive the screening case and rotates, make the port of feeder hopper down, close the motor simultaneously, then the large granule raw materials on filter screen top then is discharged from the feeder hopper, after the large granule raw materials is discharged, start the motor once more, make the port of feeder hopper up, can realize the purpose of the large granule raw materials of discharging through above-mentioned step. Compared with the prior art, the utility model discloses be convenient for with the large granule raw materials discharge screening case after filtering.

And the second proposal is the preferable proposal, and the device also comprises a driving mechanism for stirring the raw material at the top end of the filter screen to move. The raw material on the top end of the filter screen is stirred by the driving mechanism, so that the raw material with small particles can rapidly pass through the filter screen, and the efficiency of screening the raw material is improved.

Scheme three, this is the preferred of scheme two, actuating mechanism includes second pivot, one-way bearing, first bevel gear, second bevel gear and is used for the two direction switch that the driving motor just reverses, first pivot passes through one-way bearing rigid coupling with the lateral wall of screening case, the filter screen is run through to the bottom of second pivot to rotate with the filter screen and be connected, second bevel gear connects in the second pivot, first bevel gear connects in first pivot, first bevel gear and second bevel gear meshing, be connected with the scraper blade in the second pivot, the scraper blade is located the top of filter screen, one-way bearing lock dies when the motor reverses. At the in-process of screening the raw materials, the staff is through the corotation of the switch starter motor of falling in the same direction as falling, but because one-way bearing free rotation during motor corotation, consequently screening case can not rotate along with first pivot, and first pivot is rotated and then is driven the second pivot and rotate, and the second pivot is rotated and then is driven the scraper blade and rotate, then scrapes the raw materials on filter screen top when the scraper blade rotates to avoid appearing the static problem that is difficult for falling in the filter screen top of raw materials.

Preferably, the number of the scrapers is two, and the two scrapers are symmetrical about the axis of the second rotating shaft.

And a fifth scheme is preferable to the fourth scheme, the driving mechanism further comprises an isolation box for protecting the first bevel gear and the second bevel gear, the top end of the isolation box is rotatably connected with the second rotating shaft, and the side surface of the isolation box is rotatably connected with the first rotating shaft. The isolation box can be arranged to prevent the raw material falling from the top end of the filter screen from falling on the first bevel gear and the second bevel gear to affect the work.

And a sixth scheme is preferable to the fifth scheme, and both the top end and the bottom end of the screening box are concave surfaces. The top and the bottom of screening case all establish to the concave surface, are convenient for large granule raw materials and the discharge screening case of tiny particle raw materials.

And a seventh scheme is preferable to the sixth scheme, and the top end of the isolation box is in a circular truncated cone shape. The top end of the isolation box is in a circular truncated cone shape, so that the phenomenon that a large amount of raw materials are retained at the top end of the isolation box can be reduced.

Drawings

Fig. 1 is a schematic structural diagram of the raw material screening device for asphalt production.

Detailed Description

The present invention is described in further detail below with reference to specific embodiments:

reference numerals in the drawings of the specification include: screening case 1, backup pad 2, row's material pipe 3, first pivot 4, motor 5, separator box 6, first bevel gear 7, second bevel gear 8, second pivot 9, filter screen 10, scraper blade 11, feeder hopper 12.

As shown in fig. 1: raw materials screening plant is used in pitch production, including screening case 1, filter screen 10 and the rotary mechanism who is used for rotary screening case 1, filter screen 10 rigid coupling is inside screening case 1, the top intercommunication of screening case 1 has feeder hopper 12, the bottom intercommunication of screening case 1 has row material pipe 3, the top and the bottom of screening case 1 are the concave surface, rotary mechanism includes first pivot 4 and is used for driving first pivot 4 pivoted motor 5, the one end of first pivot 4 runs through the both sides of screening case 1 in proper order, it is connected with two backup pads 2 to rotate on first pivot 4, two backup pads 2 are located the both sides of screening case 1, first pivot 4 is located the below of filter screen 10.

The raw material screening device for asphalt production further comprises a driving mechanism for stirring raw materials at the top end of the filter screen 10 to move, the driving mechanism comprises a second rotating shaft 9, a one-way bearing (not shown in the figure), a first bevel gear 7, a second bevel gear 8 and a reversing switch (not shown in the figure) for driving the motor 5 to rotate forwards and backwards, the first rotating shaft 4 is fixedly connected with the side wall of the screening box 1 through the one-way bearing, the bottom end of the second rotating shaft 9 penetrates through the filter screen 10 and is rotatably connected with the filter screen 10, the second bevel gear 8 is connected onto the second rotating shaft 9, the first bevel gear 7 is connected onto the first rotating shaft 4, the first bevel gear 7 is meshed with the second bevel gear 8, the second rotating shaft 9 is fixedly connected with two scraping plates 11, the scraping plates 11 are positioned above the filter screen 10, the two scraping plates 11 are symmetrical about the axis of the second rotating shaft 9, and the one-way bearing is locked when the motor 5 rotates reversely; the driving mechanism further comprises an isolation box 6 used for protecting the first bevel gear 7 and the second bevel gear 8, the top end of the isolation box 6 is rotatably connected with the second rotating shaft 9, the side face of the isolation box 6 is rotatably connected with the first rotating shaft, the top end of the isolation box 6 is in a circular truncated cone shape, and the type of the reversible switch is HZ 3-132.

The implementation manner of the embodiment is as follows: when raw materials are screened, the raw materials are firstly put into a screening box 1 from a feed hopper 12, the raw materials entering the screening box 1 are screened by a filter screen 10, the small-particle raw materials fall into the bottom end of the screening box 1 and are discharged from a discharge pipe 3, the large-particle raw materials stay at the top end of the filter screen 10, when the raw materials are put into the screening box 1, a worker starts a motor 5 to rotate forwards through a reversing switch, and because the motor 5 can rotate freely through a one-way bearing when rotating forwards, the screening box 1 cannot rotate along with a first rotating shaft 4, the first rotating shaft 4 rotates to drive a second rotating shaft 9 to rotate, the second rotating shaft 9 rotates to drive a scraper 11 to rotate, and when the scraper 11 rotates, the raw materials at the top end of the filter screen 10 are scraped, so that the raw materials at the top end of the filter screen 10 are rapidly screened; when the large granule raw materials accumulation on filter screen 10 top is more, the staff starts 5 reversals of motor through the switch in the same direction as falling, because one-way bearing locks when motor 5 reverses, consequently, first pivot 4 rotates and drives screening case 1 and rotates, make the port of feeder hopper 12 down, close motor 5 after that, the large granule raw materials on filter screen 10 top then follow feeder hopper 12 and discharge, after large granule raw materials discharge, restart motor 5 again, make the port of feeder hopper 12 up, can realize the purpose of the large granule raw materials of discharging through above-mentioned step.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Raw materials screening plant is used in pitch production, including screening case and filter screen, the filter screen rigid coupling is inside the screening case, its characterized in that still including the rotary mechanism that is used for the rotary screening case, rotary mechanism includes first pivot and is used for driving first pivot pivoted motor, the both sides of screening case are run through in proper order to the one end of first pivot, it is connected with two backup pads, two to rotate on the first pivot the backup pad is located the both sides of screening case, the top intercommunication of screening case has the feeder hopper, the material pipe is arranged in the bottom intercommunication of screening case, first pivot is located the below of filter screen.

2. The raw material screening device for asphalt production according to claim 1, further comprising a driving mechanism for agitating the movement of the raw material on the top end of the filter screen.

3. The raw material screening device for asphalt production according to claim 2, wherein the driving mechanism comprises a second rotating shaft, a one-way bearing, a first bevel gear, a second bevel gear and a reversing switch for driving the motor to rotate forward and backward, the first rotating shaft is fixedly connected with the side wall of the screening box through the one-way bearing, the bottom end of the second rotating shaft penetrates through the filter screen and is rotatably connected with the filter screen, the second bevel gear is connected to the second rotating shaft, the first bevel gear is connected to the first rotating shaft, the first bevel gear is meshed with the second bevel gear, a scraper is connected to the second rotating shaft and is located above the filter screen, and the one-way bearing is locked when the motor rotates backward.

4. The raw material screening apparatus for asphalt production according to claim 3, wherein the number of the scrapers is two, and the two scrapers are symmetrical about the axis of the second rotating shaft.

5. The raw material screening device for asphalt production according to claim 4, wherein the driving mechanism further comprises an isolation box for protecting the first bevel gear and the second bevel gear, the top end of the isolation box is rotatably connected with the second rotating shaft, and the side surface of the isolation box is rotatably connected with the first rotating shaft.

6. The raw material screening apparatus for asphalt production according to claim 5, wherein both the top end and the bottom end of the screening box are concave.

7. The raw material screening device for asphalt production according to claim 6, wherein the top end of the isolation box is truncated cone-shaped.