CN211418861U

CN211418861U - Pneumatic conveying device

Info

Publication number: CN211418861U
Application number: CN201921773100.2U
Authority: CN
Inventors: 孙洪胜
Original assignee: Dandong Ruiding Casting Co ltd
Current assignee: Dandong Ruiding Casting Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-09-04
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses a pneumatic conveyor, include: a plurality of conveying pipeline and concentrated conveying pipeline still include: the conveying pipe comprises a pair of circular pipes, a pair of threaded sealing plugs, a plurality of connecting pipes, a plurality of connecting flange plates and a plurality of scraping frames, wherein the lower ends of the conveying pipes are communicated with the upper ends of the concentrated conveying pipes, and circular openings are machined at the two ends of the joints. This pneumatic conveyor is one kind and can feeds alone, does not compounding, does not wear the material, is convenient for control the feeding proportion of every kind of material, conveniently clears up the pipeline inner wall, and the installation is more convenient, to the casting trade relatively more practical device.

Description

Pneumatic conveying device

Technical Field

The utility model relates to a pipeline transport field provides a pneumatic conveyor very much.

Background

The pipeline transportation is to put the materials into the pipeline, so that the materials are conveniently mixed after being transmitted for a long distance.

Some parts need to be integrally formed, need to be cast and processed, parts with hollow interiors need to be molded by a pouring mold filled inside, the sand mold needs to be formed after mixing of multiple materials, materials proportioned in advance are intensively put into a mixing tank in the traditional process of manufacturing the sand mold, so that the quantity of the manufactured sand mold is fixed every time of mixing, if the quantity is temporarily increased, the materials are required to be proportioned and filled again, the problem is high, if the quantity is increased less, the parts need to be operated once again for a large-scale mixing tank, the cost is high, the traditional conveying pipelines are mixed together before mixing, one material is inconvenient to be independently prepared, the traditional conveying pipelines are easy to stick walls after being used for a long time, the material conveying effect is influenced, and the long-time wall sticking has an influence on the service life of the pipelines, therefore, in order to solve the above problems, it is necessary to design a conveyor which does not mix the material and is easy to clean.

SUMMERY OF THE UTILITY MODEL

In view of the above, in order to solve the above problems, an object of the present invention is to provide a pneumatic conveying device.

The utility model provides a technical scheme is: a pneumatic conveying apparatus comprising: a plurality of conveying pipeline and concentrated conveying pipeline still include: a pair of pipe, a pair of screw thread sealing plug, a plurality of connecting pipe, a plurality of flange dish and a plurality of scrape the frame, a plurality of the transfer line lower extreme with concentrate transfer line upper end intercommunication, and the junction both ends all process circular opening, and is a pair of pipe fixed connection is a pair of in the circular opening, and stretch out the junction, every the internal thread that is used for bearing the screw thread sealing plug is all processed to the pipe side surface in the pipe, every the connecting pipe all is located transfer line upper end, and part stretch into in the transfer line, every scrape the equal fixed connection of frame terminal surface under the connecting pipe, and with the overlap joint of transfer line inner wall, every the connecting pipe all along the transfer line circumference rotates, a plurality of the equal fixed connection of flange dish is in a plurality of the connecting pipe upper end.

Further preferably, a pipeline connecting piece is arranged on the lower end face of the centralized conveying pipeline.

Further preferably, the length of each scraping frame is matched with half of the length of the conveying pipeline.

Further preferably, each of the scraping frames is a multi-forked scraping frame.

Preferably, each connecting pipe is movably connected with the conveying pipeline, and the connecting part is of a step surface structure.

Further preferably, each of the delivery pipes is connected to the centralized delivery pipe by welding.

The utility model provides a pair of pneumatic conveyor, one kind can feed alone, and the compounding is not worn to the material, is convenient for control the feeding proportion of every kind of material, conveniently clears up the pipeline inner wall, and it is more convenient to install, to casting trade relatively more practical device.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and embodiments:

FIG. 1 is a schematic structural diagram of the pneumatic conveying apparatus of the present invention;

FIG. 2 is a side sectional view of the pneumatic conveying apparatus of the present invention;

FIG. 3 is a bottom view of the connecting tube, the connecting flange and the scraping frame of the pneumatic conveying apparatus;

FIG. 4 is a formal cross-sectional view of the transmission pipeline, the connection pipe, the connection flange and the scraping frame of the pneumatic conveying device;

in the figure: 1. a delivery conduit; 2. a centralized delivery pipe; 3. a circular tube; 4. a threaded sealing plug; 5. a connecting pipe; 6. connecting a flange plate; 7. a scraping frame; 8. a pipe connection.

Detailed Description

The invention will be further explained below with reference to specific embodiments, without limiting the invention.

As shown in fig. 1-4, the utility model provides a pneumatic conveying device, including: a plurality of transfer pipes 1 and a centralized transfer pipe 2, further comprising: a pair of circular tubes 3, a pair of threaded sealing plugs 4, a plurality of connecting tubes 5, a plurality of connecting flange plates 6 and a plurality of scraping frames 7, wherein the lower ends of the plurality of conveying pipelines 1 are communicated with the upper ends of the concentrated conveying pipelines 1, circular openings are processed at the two ends of the joints, the pair of circular tubes 3 are fixedly connected in the pair of circular openings and extend out of the joints, internal threads for bearing the threaded sealing plugs 4 are processed on the inner side surfaces of the circular tubes 3, each connecting tube 5 is positioned at the upper end of the conveying pipeline 1, part of the connecting tube 5 extends into the conveying pipeline 1, each scraping frame 7 is fixedly connected to the lower end surface of the connecting tube 5 and is lapped with the inner wall of the conveying pipeline 1, each connecting tube 5 rotates along the circumference of the conveying pipeline 1, and the plurality of connecting flange plates 6 are fixedly connected to the upper ends of the plurality of connecting tubes 5, taking two pairs of conveying pipelines 1 as an example for explanation, wherein more conveying pipelines 1 can be welded according to actual use, the lower ends of the two pairs of conveying pipelines 1 are connected with the upper end of a centralized conveying pipeline 2, so that the interiors are mutually communicated, feeding from the conveying pipelines 1 is convenient to carry out independently, and finally all the materials enter the centralized conveying pipeline 2 and are transmitted to the next station, because a plurality of conveying pipelines 1 can transmit different materials in each conveying pipeline 1, the materials can not be mixed and mixed before mixing, the feeding amount of a certain material and the mixing proportion can be more conveniently controlled, wherein when each conveying pipeline 1 carries out downward conveying, the impact force is provided for the interior through an external air pump, so that the materials can be rapidly and prevented from being blocked and enter the centralized conveying pipeline 2, if the conveyed materials are thicker, the connecting parts of a plurality of conveying pipelines 1 and a centralized conveying pipeline 2 are reserved, the threaded sealing plugs 4 positioned at two ends can be screwed off the corresponding round pipes 3, the internal thread positioned on the inner side surface of each round pipe 3 is convenient to be screwed off, separated or tightly sealed with the threaded sealing plugs 4, each round pipe 3 is welded with the connecting parts, the inner parts do not extend into the connecting parts, the outer parts extend out, and the transmission is not blocked, when the threaded sealing plugs 4 are screwed off, the inner walls of the pipelines at the connecting parts can be stirred and cleaned by using an external stirring or cleaning tool through the cylinders 3, so that the cleaning is convenient, the transmission is convenient, the connecting pipes 5 positioned on each conveying pipeline 1 are convenient to be connected with the feeding part during feeding, the conveying pipelines 1 are introduced, wherein the connecting pipes 5 are inserted at the upper ends of the corresponding conveying pipelines 1, therefore, can rotate on the pipeline 1 that forwards that corresponds, because scrape for fixed connection between frame 7 and every connecting pipe 5, be convenient for when connecting pipe 5 rotates, it also rotates to drive to scrape frame 7, be convenient for rotate the scraping to the 1 inner wall of transfer duct, prevent that the material from pasting the inner wall, wherein be located connecting flange 6 on every connecting pipe 5 up end and be convenient for be connected with outside feeding's feeder hopper or charge-in pipeline, prevent the hourglass material, connecting flange 6 is connected through a plurality of bolt assembly, wherein the material of drum 3 and threaded sealing plug 4 and the material phase-match that forwards pipeline 1 and concentrated transfer duct 2, including but not limited to stainless steel metal, wherein the threaded sealing of threaded sealing plug 4, it is effectual to seal, do not influence pneumatic transmission.

As a technical improvement, the lower end surface of the centralized conveying pipeline 2 is provided with a pipeline connecting piece 8 for facilitating connection with parts on the next station, wherein the pipeline connecting piece 8 comprises but is not limited to a flange, and the pipeline connecting piece 8 shown in the figure is only one of the connection cases.

As technical scheme's improvement, every scrape the length of frame 7 with half phase-match of length of transfer line 1, because scrape the length of frame 7 and half phase-match of length of transfer line 1, if a plurality of transfer line 1 are linked together, will have the radian in the outside, half better adaptation radian of length, simultaneously at the in-process of rotating the scraping, can strike transfer line 1 inner wall, there is vibrations to produce, vibrations produce, will make to be stained with and glue and fall at the material of transfer line 1 inner wall, reach the effect of clearance, and because the stretching into of scraping frame 7, make connecting pipe 5 and transfer line 1 between be connected better, the restriction is difficult to separate, also be convenient for directly take out and clear up, it is also more convenient to install.

As the improvement of the technical scheme, each scraping frame 7 is a multi-fork scraping frame 7, and due to the fact that the scraping frames are multi-fork, when the scraping frames rotate, a plurality of scraping positions are convenient to rotate, and cleaning is fast.

As the improvement of the technical scheme, each connecting pipe 5 is movably connected with the conveying pipeline 1, the connection part is of a step surface structure, the movable connection is convenient for being directly inserted into the conveying pipeline 1, one part of the step surface is convenient to clamp on the upper surface of the conveying pipeline 1, the other part of the step surface extends into the conveying pipeline 1, the fixing is convenient, and the limiting is good when the connecting pipe rotates.

As the improvement of the technical scheme, each conveying pipeline 1 is connected with the concentrated conveying pipeline 1 through welding, and each conveying pipeline 1 is connected with the concentrated conveying pipeline 2 through welding, so that the connection is stable, the connection position is smooth, and the conveying materials cannot be blocked.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A pneumatic conveying apparatus comprising: a plurality of conveying pipe (1) and concentrated conveying pipe (2), characterized by still includes: a pair of round tubes (3), a pair of threaded sealing plugs (4), a plurality of connecting pipes (5), a plurality of connecting flange plates (6) and a plurality of scraping frames (7), wherein the lower end of the conveying pipeline (1) is communicated with the upper end of the concentrated conveying pipeline (1), round openings are processed at two ends of the joint, the round tubes (3) are fixedly connected in the round openings and extend out of the joint, internal threads for bearing the threaded sealing plugs (4) are processed on the inner side surface of each round tube (3), each connecting pipe (5) is positioned at the upper end of the conveying pipeline (1) and partially extends into the conveying pipeline (1), each scraping frame (7) is fixedly connected to the lower end surface of each connecting pipe (5) and is in lap joint with the inner wall of the conveying pipeline (1), and each connecting pipe (5) rotates along the circumference of the conveying pipeline (1), the connecting flange plates (6) are fixedly connected to the upper ends of the connecting pipes (5).

2. A pneumatic conveying device according to claim 1, characterised in that the lower end face of the central conveying pipe (2) is provided with a pipe connection (8).

3. A pneumatic conveying device according to claim 1, characterised in that the length of each scraping frame (7) matches half the length of the conveying pipe (1).

4. A pneumatic conveying device according to claim 1, characterised in that each of said scraping frames (7) is a multi-pronged scraping frame (7).

5. A pneumatic conveying device according to claim 1, characterised in that each connecting pipe (5) is movably connected with the conveying pipeline (1) and the connection is of a step surface structure.

6. A pneumatic conveying device according to claim 1, characterised in that each of said conveying pipes (1) is connected to said central conveying pipe (1) by welding.