CN111036430A

CN111036430A - Automatic feeding device

Info

Publication number: CN111036430A
Application number: CN201911351282.9A
Authority: CN
Inventors: 秦亮; 秦新
Original assignee: Suzhou Chunran Environmental Technology Co Ltd
Current assignee: Suzhou Chunran Environmental Technology Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-04-21

Abstract

The invention relates to an automatic feeding device which is used in a pre-coating process and comprises a cylinder body used for containing powder, an air bag arranged on one side of the cylinder body and an air nozzle arranged in the cylinder body, wherein the air nozzle is connected with the air bag through a pipeline so as to introduce air in the air bag into the air nozzle and blow the air nozzle into the cylinder body, and a powder outlet is arranged on one side of the cylinder body. This automatic material conveying device is through setting up the air nozzle in the barrel, divide into the powder in the barrel by the air nozzle and raise to carry out along the powder export under the effect of negative pressure, thereby realize making the powder carry evenly, and this automatic material conveying device simple structure, convenient operation.

Description

Automatic feeding device

Technical Field

The invention relates to an automatic feeding device which is used in a pre-coating process.

Background

The existing feeding device usually adopts a tube arranged in a cylinder filled with powder, then a nozzle is arranged on the tube, and the powder in the cylinder is directly sprayed to a place needing spraying through the nozzle by air pressure, and the mode has the following problems: the powder entering the tube in the cylinder is not conveyed uniformly, thereby causing the problems of nozzle blockage or uneven discharging.

Disclosure of Invention

The invention aims to provide an automatic feeding device which can realize uniform powder conveying, and is simple in structure and convenient to operate.

In order to achieve the purpose, the invention provides the following technical scheme: an automatic feeding device comprises a barrel body used for containing powder, an air bag arranged on one side of the barrel body and an air nozzle arranged in the barrel body, wherein the air nozzle is connected with the air bag through a pipeline so as to introduce air in the air bag into the air nozzle to blow air towards the interior of the barrel body, and a powder outlet is formed in one side of the barrel body.

Further, the air nozzle may be rotatable within the barrel in a circumferential direction of the barrel.

Further, the pipeline comprises a balance air pipe arranged on the upper portion of the barrel and a guide pipe which is connected with the balance air pipe and perpendicular to the balance air pipe, the air nozzle is installed on the balance air pipe, and the balance air pipe is connected with the guide pipe through a pneumatic rotary joint.

Further, the barrel includes the tubbiness lateral wall and sets up the diapire of the bottom of tubbiness lateral wall, the powder export sets up on the tubbiness lateral wall, the air nozzle orientation the diapire, just the air nozzle is two, two the air nozzle direction is along same direction clockwise bending upwards.

Furthermore, the barrel has the relative upper shed that the diapire set up, be provided with the upper cover on the upper shed, be connected through closing assembly between upper cover and the barrel, closing assembly includes the drive upper cover and barrel relative movement's hand wheel.

Further, the closing component further comprises a first mounting seat arranged on the barrel, a second mounting seat arranged on the upper cover, and a bolt connected with the first mounting seat and the second mounting seat, wherein the bolt is provided with a first end fixed on the first mounting seat and a second end inserted into the second mounting seat, and the hand wheel is in threaded connection with the second end.

Furthermore, an electromagnetic pulse valve and an air compressor are arranged on the pipeline, and the automatic feeding device further comprises a control unit for controlling the electromagnetic pulse valve.

Further, the automatic feeding device also comprises a weighing mechanism arranged at the lower part of the cylinder body.

Further, the weighing mechanism comprises a weight sensor and an alarm for detecting the weight of the barrel, and the alarm and the weight sensor are respectively in signal connection with the control unit.

Further, the automatic feeding device also comprises an oil-water separator arranged at the inlet of the air bag.

The invention has the beneficial effects that: according to the automatic feeding device, the air nozzle is arranged in the barrel, the powder in the barrel is divided and raised by the air nozzle, and the powder is conveyed out along the powder outlet under the action of negative pressure, so that the powder is conveyed uniformly, and the automatic feeding device is simple in structure and convenient to operate.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

FIG. 1 is a schematic structural diagram of an automatic feeding device according to an embodiment of the present invention;

fig. 2 is a perspective view of the automatic charging device shown in fig. 1.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

Referring to fig. 1 and 2, an automatic feeding device 10 according to an embodiment of the present invention is used for applying powder for precoating, such as electrostatic spraying, and the like, and mainly uses compressed air to lift and convey the particles in the cylinder 1 to a desired position. The automatic feeding device 10 comprises a cylinder body 1 used for containing powder, an air bag 2 arranged on one side of the cylinder body 1 and an air nozzle 3 arranged in the cylinder body 1, wherein the air nozzle 3 is connected with the air bag 2 through a pipeline so as to introduce air in the air bag 2 into the air nozzle 3 to blow the air nozzle 3 into the cylinder body 1, and a powder outlet 11 is arranged on one side of the cylinder body 1. The import of gas package 2 is connected with the external air supply device in order to admit air the source, and this gas package 2 is located the downside of barrel 1, and this barrel 1 is fixed through lower box 4, and gas package 2 is located box 4 down, still is provided with electric cabinet 5 in this lower box 4. The lower side of the lower case 4 is provided with casters 7 to facilitate movement of the automatic charging device 10. In this embodiment, the automatic feeding device 10 further comprises an oil-water separator 8 disposed at the inlet of the air bag 2. The water in the air source is separated by the oil-water separator 8, so that the moisture in the air source is prevented from wetting the powder (powder).

The barrel 1 comprises a barrel-shaped side wall 12 and a bottom wall 13 arranged at the bottom of the barrel-shaped side wall 12, the powder outlet 11 is arranged on the barrel-shaped side wall 12, and the air nozzle 3 faces the bottom wall 13. In the present embodiment, the number of the air nozzles 3 is two, and the two air nozzles 3 are curved clockwise and upward in the same direction.

The barrel 1 further comprises an upper opening 14 arranged opposite to the bottom wall 13, an upper cover 15 is arranged on the upper opening 14, the upper cover 15 is connected with the barrel 1 through a sealing component 16, and the sealing component 16 comprises a hand wheel 161 for driving the upper cover 15 and the barrel 1 to move relatively. In detail, the closing assembly 16 further includes the first mounting seat 162 disposed on the cylinder 1, a second mounting seat 163 disposed on the upper cover 15, and a bolt 164 connecting the first mounting seat 162 and the second mounting seat 163, wherein the bolt 164 has a first end (not shown) fixed on the first mounting seat 162 and a second end (not shown) inserted into the second mounting seat 163, and the hand wheel 161 is screwed on the second end.

In this embodiment, the air nozzle 3 can rotate in the cylinder 1 along the circumferential direction of the cylinder 1, so that the powder can be uniformly lifted in the cylinder 1. In detail, the pipeline comprises a balance air pipe 91 arranged at the upper part of the barrel 1 and a guide pipe 92 connected with the balance air pipe 91 and arranged perpendicular to the balance air pipe 91, the air nozzle 3 is installed on the balance air pipe 91, and the balance air pipe 91 is connected with the guide pipe 92 through a pneumatic rotary joint 93.

In this embodiment, the electromagnetic pulse valve 94 and an air compressor (not numbered) are disposed on the pipeline, and the electromagnetic pulse valve 94 is disposed between the air compressor and the air bag 2. The automatic charging device 10 further includes a control unit (not shown) that controls the solenoid valve 94. The control unit is located in the electric cabinet 5, and the electric cabinet 5 also comprises other control devices, a power adapter and the like. In this embodiment, the control unit includes at least one logic control circuit, which is a logic control circuit commonly used in the prior art, and therefore, detailed description thereof is omitted, and a manner of controlling the solenoid valve 94 by the control unit is also a conventional means in the prior art.

In order to timely know the content of the powder in the cylinder 1, the automatic feeding device 10 further comprises a weighing mechanism arranged at the lower part of the cylinder 1. In detail, the weighing mechanism comprises a weight sensor (not shown) for detecting the weight of the cylinder 1 and an alarm 21, and the alarm 21 and the weight sensor are respectively in signal connection with the control unit. In the present embodiment, the alarm 21 is an indicator lamp. The control unit controls the alarm 21 to be turned on or off according to the data detected by the weight sensor, and the manner in which the control unit controls the alarm 21 used in the present embodiment is a conventional manner in the prior art.

The working principle of the automatic feeding device 10 is as follows: when powder is filled in the barrel 1 and used, the upper cover 15 and the barrel 1 are pressed and sealed by the hand wheel 161, so that powder leakage cannot occur under high pressure. An inlet of the air bag 2 is communicated with an air source through the oil-water separator 8, when the air bag works, the electromagnetic pulse valve 94 is opened, compressed air enters the air bag, sequentially passes through the guide pipe 92, the pneumatic rotary joint 93 and the balance air pipe 91 and then is sprayed out from the air nozzle 3, and the air flow enables powder in the barrel 1 to be lifted and conveyed out along the powder outlet 11 under the action of negative pressure to be conveyed to a required position; simultaneously, under the drive of air current, air nozzle 3 drives balanced trachea 91 and passes through rotary joint 93 at 1 internal rotations of barrel, and 3 rotatory powder of jetting in the limit of air nozzle promptly for the more even lifts of powder in the barrel 1. When the powder in the cylinder 1 is used up, the control unit controls the alarm 21 to alarm according to the signal detected by the weight sensor at the bottom, and then the powder is fed again.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The automatic feeding device is characterized by comprising a barrel for containing powder, an air bag arranged on one side of the barrel and an air nozzle arranged in the barrel, wherein the air nozzle is connected with the air bag through a pipeline so as to introduce air in the air bag into the air nozzle to blow the air nozzle into the barrel, and a powder outlet is arranged on one side of the barrel.

2. The automatic charging device according to claim 1, wherein the air nozzle is rotatable within the barrel in a circumferential direction of the barrel.

3. The automatic charging device according to claim 2, wherein the pipeline comprises a balance gas pipe arranged at the upper part of the cylinder body and a guide pipe connected with the balance gas pipe and arranged perpendicular to the balance gas pipe, the air nozzle is installed on the balance gas pipe, and the balance gas pipe is connected with the guide pipe through a pneumatic rotary joint.

4. The automatic charging device according to claim 3, wherein the cylinder includes a barrel-shaped side wall and a bottom wall disposed at a bottom of the barrel-shaped side wall, the powder outlet is disposed on the barrel-shaped side wall, the air nozzle faces the bottom wall, and the number of the air nozzles is two, and two directions of the air nozzles are curved clockwise and upward in the same direction.

5. The automatic charging device according to claim 4, wherein the cylinder has an upper opening disposed opposite to the bottom wall, an upper cover is disposed on the upper opening, the upper cover and the cylinder are connected through a closing assembly, and the closing assembly comprises a hand wheel for driving the upper cover and the cylinder to move relatively.

6. The automatic charging device according to claim 5, wherein the closure assembly further comprises the first mounting seat disposed on the barrel, a second mounting seat disposed on the upper cover, and a bolt connecting the first mounting seat and the second mounting seat, the bolt having a first end secured to the first mounting seat and a second end inserted into the second mounting seat, the hand wheel being threaded onto the second end.

7. The automatic charging device according to claim 1, wherein an electromagnetic pulse valve and an air compressor are provided on the pipe, and the automatic charging device further comprises a control unit for controlling the electromagnetic pulse valve.

8. The automatic charging device according to claim 7, further comprising a weighing mechanism disposed at a lower portion of the cylinder.

9. The automatic charging device according to claim 8, wherein the weighing mechanism comprises a weight sensor and an alarm for detecting the weight of the cylinder, and the alarm and the weight sensor are respectively in signal connection with the control unit.

10. The automatic charging device according to claim 1, further comprising an oil-water separator disposed at an inlet of the gas bag.