阅读说明：本技术 一种具有反冲洗功能的压力曲筛 (Pressure curved screen with back flush function ) 是由 蒋浩 于 2021-08-18 设计创作，主要内容包括：本发明提供一种具有反冲洗功能的压力曲筛,包括曲筛本体,所述曲筛本体的顶部和底部位置分别固定安装有上板和下板,所述曲筛本体的后侧安装有反冲洗装置,所述反冲洗装置包括弧形喷水管、第一喷嘴、进水管、滑杆、滑套和驱动机构,所述弧形喷水管的形状与曲筛本体的形状相适应,弧形喷水管上固定安装有多个第一喷嘴,所述滑套与弧形喷水管固定连接,利用所述驱动机构,驱动滑套带动弧形喷水管沿着滑杆往复滑动,高压水经过第一喷嘴对筛网本体进行清洗；提升了使用效果的同时大大提升了筛分的效率,有利于推广使用。(The invention provides a pressure curved sieve with a back washing function, which comprises a curved sieve body, wherein an upper plate and a lower plate are respectively and fixedly installed at the top and the bottom of the curved sieve body, a back washing device is installed at the rear side of the curved sieve body, the back washing device comprises an arc-shaped water spray pipe, a first nozzle, a water inlet pipe, a sliding rod, a sliding sleeve and a driving mechanism, the shape of the arc-shaped water spray pipe is matched with that of the curved sieve body, a plurality of first nozzles are fixedly installed on the arc-shaped water spray pipe, the sliding sleeve is fixedly connected with the arc-shaped water spray pipe, the driving mechanism is utilized to drive the sliding sleeve to drive the arc-shaped water spray pipe to slide back and forth along the sliding rod, and high-pressure water cleans the sieve body through the first nozzles; the efficiency of screening has been promoted greatly when having promoted the result of use, is favorable to using widely.)

1. A pressure curved sieve with a back washing function comprises a curved sieve body (1), wherein an upper plate (2) and a lower plate (3) are fixedly installed at the top and the bottom of the curved sieve body (1) respectively, and is characterized in that a back washing device (4) is installed at the rear side of the curved sieve body (1), the back washing device (4) comprises an arc-shaped water spraying pipe (41), first nozzles (42), a water inlet pipe (43), a sliding rod (44), a sliding sleeve (45) and a driving mechanism (5), the shape of the arc-shaped water spraying pipe (41) is matched with that of the curved sieve body (1), the arc-shaped water spraying pipe (41) is fixedly provided with a plurality of first nozzles (42), the sliding sleeve (45) is fixedly connected with the arc-shaped water spraying pipe (41), and the driving mechanism (5) drives the sliding sleeve (45) to drive the arc-shaped water spraying pipe (41) to slide back and forth along the sliding rod (44), the high-pressure water passes through the first nozzle (42) to clean the screen body (1).

2. The pressure curved screen with the back washing function as claimed in claim 1, wherein the driving mechanism (5) comprises a cylinder (51) and a transmission rod (52), a telescopic rod of the cylinder (51) is rotatably connected with the transmission rod (52), and the transmission rod (52) is fixedly connected with the sliding sleeve (45).

3. Pressure curved screen with backwashing function according to claim 1, characterized in that the water inlet pipe (43) is provided with an automatic valve (6) which is linked with a driving mechanism (5), wherein the automatic valve (6) is preferably a pneumatic valve.

4. The pressure curved screen with the back washing function as claimed in claim 1, characterized in that the pressure curved screen comprises four supporting feet (7), and a box body (8) is fixedly arranged at the tops of the four supporting feet (7).

5. The pressure curved screen with the back washing function as claimed in claim 1, wherein a feeding assembly (9) is arranged at the upper part of the pressure curved screen, the feeding assembly (9) comprises a material pipe (91), a material spraying pipe (92) and a second nozzle (93), the bottom of the material pipe (91) and the top of the box body (8) are fixedly installed, and a feeding channel (94) is hermetically communicated with the left side of the material pipe (91).

6. The pressure curved screen with the back washing function as claimed in claim 5, wherein five spraying pipes (92) and five second nozzles (93) are arranged, and the left ends of the five spraying pipes (92) are communicated with the interior of the material pipe (91) in a sealing manner.

7. The pressure curved screen with the back washing function as claimed in claim 1, wherein the left side and the right side of the bottom of the box body (8) are respectively and fixedly provided with a fine material discharging channel (10) and a coarse material discharging channel (11) in a sealing way.

8. The pressure curved screen with the back washing function as claimed in claim 1, wherein a flexible baffle (12) is fixedly arranged at the bottom of the lower plate (3), and the bottom of the flexible baffle (12) and the inner wall of the bottom of the box body (8) can be separated from each other and can be in sealing fit.

9. The pressure curved screen with the back washing function as claimed in claim 1, wherein the top of the box body (8) is fixedly provided with an air outlet (13) in a sealing way.

10. The pressure curved screen with the back washing function as claimed in claim 1, wherein the upper plate (2) and the lower plate (3) are both provided with a clamping groove, and the top and the bottom of the curved screen body (1) are movably clamped with the corresponding clamping grooves of the upper plate (2) and the lower plate (3) respectively.

Technical Field

The invention relates to the technical field of pressure curved screen equipment, in particular to a pressure curved screen with a back washing function.

Background

The curved sieve is also called as a curved sieve, and is an advanced sieving device with wide application. In starch production, it is used for separating starch from germs and fibers. The curved sieve has no rotating parts except a slurry conveying pump, so that the curved sieve has great superiority in operation, maintenance and other aspects compared with other types of sieving equipment, and is usually used in groups by a plurality of curved sieves in order to ensure separation and washing quality, and the curved sieves are generally arranged in a box body in the use process.

The existing pressure curved sieve is easy to block a screen when particles are used, the using effect of the pressure curved sieve is affected, and popularization and use are not facilitated.

Disclosure of Invention

The invention aims to solve the defects that in the prior art, particles easily block a screen mesh in the use process of a pressure curved screen, the use effect of the pressure curved screen is influenced, and the popularization and the use are not facilitated.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a pressure bent sieve with back flush function, includes the bent sieve body, the top and the bottom position of bent sieve body fixed mounting respectively have upper plate and hypoplastron, the back flush unit is installed to the rear side of bent sieve body, back flush unit includes arc spray pipe, first nozzle, inlet tube, slide bar, sliding sleeve and actuating mechanism, the shape of arc spray pipe suits with the shape of bent sieve body, and fixed mounting has a plurality of first nozzles on the arc spray pipe, sliding sleeve and arc spray pipe fixed connection utilize actuating mechanism, drive sliding sleeve drive arc spray pipe along slide bar reciprocating sliding, and the high pressure water washs the screen cloth body through first nozzle.

In order to improve the automation performance of the pressure curved screen, the driving mechanism comprises an air cylinder and a transmission rod, a telescopic rod of the air cylinder is rotatably connected with the transmission rod, and the transmission rod is fixedly connected with the sliding sleeve. The automatic valve linked with the driving mechanism is installed on the water inlet pipe, and the automatic valve is preferably a pneumatic valve.

In order to improve the stability of the pressure curved sieve, the pressure curved sieve comprises four supporting legs, and a box body is fixedly mounted at the tops of the four supporting legs.

In order to facilitate the efficiency of promotion screening, the upper portion of this bent sieve of pressure is equipped with the feeding subassembly, the feeding subassembly includes material pipe, spouts material pipe, second nozzle, the bottom of material pipe and the top fixed mounting of box, and the sealed intercommunication in left side of material pipe has feedstock channel. The spray pipes and the second nozzles are all provided with five spray pipes, and the left ends of the five spray pipes are communicated with the inner part of the material pipe in a sealing mode.

In order to improve the collection efficiency, the left side and the right side of the bottom of the box body are respectively and fixedly provided with a fine material blanking channel and a coarse material blanking channel in a sealing manner. The bottom of the lower plate is fixedly provided with a flexible baffle, and the bottom of the flexible baffle and the inner wall of the bottom of the box body can be separated from each other and can be in sealing fit.

In order to improve the safety of the pressure curved sieve, the top of the box body is fixedly provided with an air outlet in a sealing manner.

In order to facilitate the curved screen body to carry on spacingly, the draw-in groove has all been seted up to upper plate and hypoplastron, the top and the bottom of curved screen body respectively with the draw-in groove activity joint that upper plate and hypoplastron correspond.

The invention has the beneficial effects that: during the use, the material will be sieved and add to the inside of material pipe via the feedstock channel who sets up, spout the material pipe via five that set up, five second nozzles, to sieve the material and spray to bent sieve body one side, utilize bent sieve body to sieve the screening piece, the fine grain can remove to the left side of bent sieve body, the left side fine material unloading passageway via setting up collects, the coarse grain can be preserved on the right side of bent sieve body, collect via the right side coarse grain unloading passageway that sets up, along with long-time use, bent sieve body is blockked up by the particulate matter easily, start drive mechanism, open pneumatic valve, utilize cylinder drive sliding sleeve to drive arc spray pipe along slide bar reciprocating sliding, the high pressure water washs the screen cloth body through first nozzle, the efficiency of sieving has been promoted greatly when having promoted the result of use, be favorable to using widely.

Drawings

FIG. 1 is a schematic structural view of a pressure curved screen according to the present invention;

fig. 2 is a sectional view of a pressure curved screen according to the present invention;

FIG. 3 is a diagram showing the operation state of the driving mechanism of the pressure curved screen (one is: the arc-shaped water spraying pipe is positioned at the left side);

FIG. 4 is a diagram of the driving mechanism of the pressure curved screen according to the present invention in a use state (the second is that the arc-shaped water spraying pipe is located at the right side);

FIG. 5 is a schematic structural diagram of a backwashing device of the pressure curved screen provided by the invention;

FIG. 6 is a schematic top view of a pressure curved screen according to the present invention;

in the figure: the device comprises a curved screen body 1, an upper plate 2, a lower plate 3, a back washing device 4, an arc-shaped water spraying pipe 41, a first nozzle 42, a water inlet pipe 43, a sliding rod 44, a sliding sleeve 45, a driving mechanism 5, a cylinder 51, a transmission rod 52, an automatic valve 6, a supporting leg 7, a box body 8, a feeding assembly 9, a feeding pipe 91, a spraying pipe 92, a second nozzle 93, a feeding channel 94, a fine material discharging channel 10, a coarse material discharging channel 11, a flexible baffle 12 and an air outlet 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-6, a pressure curved sieve with a back washing function comprises a curved sieve body 1, wherein an upper plate 2 and a lower plate 3 are respectively and fixedly installed at the top and the bottom of the curved sieve body 1, a back washing device 4 is installed at the rear side of the curved sieve body 1, the back washing device 4 comprises an arc-shaped water spraying pipe 41, a first nozzle 42, a water inlet pipe 43, a sliding rod 44, a sliding sleeve 45 and a driving mechanism 5, the shape of the arc-shaped water spraying pipe 41 is matched with the shape of the curved sieve body 1, a plurality of first nozzles 42 are fixedly installed on the arc-shaped water spraying pipe 41, the sliding sleeve 45 is fixedly connected with the arc-shaped water spraying pipe 41, the driving mechanism is utilized to drive the sliding sleeve 45 to drive the arc-shaped water spraying pipe 41 to slide back and forth along the sliding rod 44, and high-pressure water cleans the sieve body 1 through the first nozzles 42.

In this embodiment, the driving mechanism 5 includes an air cylinder 51 and a transmission rod 52, wherein the telescopic rod of the air cylinder 51 is rotatably connected with the transmission rod 52, and the transmission rod 52 is fixedly connected with the sliding sleeve 45.

In the present embodiment, the water inlet pipe 43 is provided with an automatic valve 6 linked with the driving mechanism 5, and the automatic valve 6 is preferably a pneumatic valve; the water inlet pipe 43 is made of a rubber hose, has proper length and is convenient to slide together with the arc-shaped water spraying pipe 41.

Example two

The following further improvements are made on the basis of the first embodiment:

in this embodiment, the pressure curved screen comprises four supporting legs 7, and a box 8 is fixedly mounted on the tops of the four supporting legs 7.

In this embodiment, a feeding assembly 9 is arranged on the upper portion of the pressure curved screen, the feeding assembly 9 includes a material pipe 91, a material spraying pipe 92 and a second nozzle 93, the bottom of the material pipe 91 and the top of the box body 8 are fixedly installed, and a feeding channel 94 is hermetically communicated with the left side of the material pipe 91.

In this embodiment, the number of the spray pipes 92 and the number of the second nozzles 93 are five, and the left ends of the five spray pipes 92 are all in sealed communication with the inside of the material pipe 91.

In this embodiment, the left side and the right side of the bottom of the box body 8 are respectively and fixedly provided with a fine material blanking channel 10 and a coarse material blanking channel 11 in a sealing manner.

In this embodiment, a flexible baffle 12 is fixedly mounted on the bottom of the lower plate 3, and the bottom of the flexible baffle 12 and the inner wall of the bottom of the box 8 can be separated from each other and sealed.

In this embodiment, the top of the box 8 is fixedly sealed with an air outlet 13.

In this embodiment, the draw-in groove has all been seted up to upper plate 2 and hypoplastron 3, the top and the bottom of bent sieve body 1 respectively with the draw-in groove activity joint that upper plate 2 and hypoplastron 3 correspond.

When the curved screen is used, screening materials are added into the material pipes through the arranged feeding channel, the screening materials are sprayed to one side of the curved screen body through the five spraying pipes and the five second nozzles, screening parts are screened by the curved screen body, fine particles can move to the left side of the curved screen body, the fine particles are collected through the left fine material discharging channel, coarse particles can be stored on the right side of the curved screen body and are collected through the right coarse particle discharging channel, the curved screen body is easily blocked by particles along with long-time use, the driving mechanism is started, the pneumatic valve is opened, the air cylinder drives the sliding sleeve to drive the arc-shaped water spraying pipe to slide back and forth along the sliding rod, high-pressure water cleans the screen body through the first nozzles, the use effect is improved, the screening efficiency is greatly improved, and the curved screen is beneficial to popularization and use.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.