Multifunctional powder supply device

Abstract

The invention belongs to the technical field of powder supply devices, and discloses a multifunctional powder supply device. The multifunctional powder supply device comprises a powder barrel, three-axis air cylinders are symmetrically arranged at the bottom of the powder barrel, a powder barrel cover is arranged on the powder barrel, a fluidization bin is arranged at the bottom of the powder barrel, a powder discharging opening and a powder overflowing pipe are arranged on the powder barrel cover, a fluidization plate is arranged in the middle of the fluidization bin and located in the powder barrel, and the powder discharging opening is communicated with the fluidization plate. The bottom end of the fluidization plate penetrates through the fluidization bin to the outside and is provided with a pneumatic pinch valve, and the powder barrel is provided with a powder suction mechanism used for sucking powder in the powder barrel and spraying out the powder. According to the multifunctional powder supply device, through the design of the powder suction mechanism, the powder suction function and the back flushing cleaning function are achieved, the structure is simple, operation is convenient, the automation degree is high, and the problems proposed in the background technology are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of powder feeding devices, and specifically relates to a multifunctional powder feeding device. Background Art

[0002] A powder feeding center is an integrated device for powder raw material supply, recycling, screening and reuse, and rapid cleaning (rapid cleaning is to provide a spraying environment for the next color spraying).

[0003] The cleaning process of the existing powder feeding device has a low degree of automation. During the cleaning process, relevant structures need to be disassembled, the operation is inconvenient, the failure rate is high, and the repair skill level of maintenance personnel is high. Therefore, we have proposed a multifunctional powder feeding device. Summary of the Invention

[0004] The object of the present invention is to provide a multifunctional powder feeding device, which solves the problems raised in the background art.

[0005] To achieve the above object, the present invention is realized through the following technical solutions: A multifunctional powder feeding device includes a powder bucket. Triaxial cylinders are symmetrically arranged at the bottom of the powder bucket. A powder bucket cover is arranged on the powder bucket. A fluidization chamber is arranged at the bottom of the powder bucket. A powder feeding port and an overflow pipe are respectively arranged on the powder bucket cover. A fluidization plate is arranged in the middle of the fluidization chamber and is inside the powder bucket. The bottom end of the fluidization plate penetrates through the fluidization chamber to its outside and is provided with a pneumatic pinch valve. A powder suction mechanism is arranged on the powder bucket for sucking and spraying the powder in the powder bucket.

[0006] The powder suction mechanism includes a backflush pipe, a powder suction pipe, a powder pump mounting block, a powder pump and a spray gun. The backflush pipe is arranged in the powder bucket. A plurality of powder suction pipes are fixedly communicated with both sides of the backflush pipe. The end of the powder suction pipe far from the backflush pipe extends to the outside of the powder bucket and is fixedly connected to the powder pump mounting block. The powder inlet of the powder pump is installed in a through hole reserved on the powder pump mounting block, and the powder pump is communicated with the powder suction pipe through the through hole. The powder outlet of the powder pump is communicated with the spray gun. Powder holes are arranged on the side wall of the powder suction pipe for sucking powder.

[0007] Preferably, one end of the backflush pipe penetrates through the side wall of the powder bucket to its outside and is fixedly installed with a solenoid valve. By connecting high-pressure gas to the backflush pipe through the solenoid valve, the powder suction pipe, the powder pump, the powder pump mounting block and the spray gun can be backflushed and cleaned.

[0008] Preferably, the number of the powder suction pipes is not less than two, and they are arranged equidistantly on the side wall of the backflush pipe.

[0009] Preferably, the number of powder holes on a single powder suction pipe is multiple and they are arranged in an equidistant disk along the axial direction of the powder suction pipe. The included angle between the axis of the powder hole and the horizontal plane is 45 degrees.

[0010] Preferably, the fluidization plate is funnel-shaped for storing powder materials, and the pneumatic pinch valve can be opened to release the powder materials in the fluidization plate.

[0011] By adopting the foregoing technical solutions, the beneficial effects of the present invention are as follows: This multifunctional powder feeding device, through the design of the powder suction mechanism, not only has the powder suction function but also has the function of back blowing and cleaning. When sucking powder, the power is provided by the powder pump, and the powder materials in the fluidization plate are extracted through the powder holes on the powder suction pipe and sprayed out through the spray gun. When performing back blowing and cleaning, the solenoid valve is opened to introduce high-pressure air flow into the back blowing pipe, and the residual powder materials in the powder suction pipe, powder pump, powder pump mounting block, and spray gun can be blown away to achieve the cleaning purpose. The structure is simple, the operation is convenient, and the degree of automation is high, solving the problems raised in the background technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of the present invention; Figure 2 is a front view of the present invention; Figure 3 is the present invention Figure 2 cross-sectional view taken along line A-A; Figure 4 is a side view of the present invention.

[0013] In the figure: 1, solenoid valve; 2, powder bucket cover; 3, overflow powder pipe; 4, powder bucket; 5, powder suction pipe; 6, powder pump; 7, powder pump mounting block; 8, three-axis cylinder; 9, pneumatic pinch valve; 10, powder suction mechanism; 11, fluidization plate; 12, fluidization chamber; 13, back blowing pipe; 14, spray gun; 15, powder outlet; 16, through hole; 17, powder hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0014] Please refer to Figures 1-4 , the present invention provides a technical solution: a multifunctional powder feeding device, including a powder bucket 4, three-axis cylinders 8 are symmetrically arranged at the bottom of the powder bucket 4, a powder bucket cover 2 is arranged on the powder bucket 4, a fluidization chamber 12 is arranged at the bottom of the powder bucket 4, a powder outlet 15 and an overflow powder pipe 3 are respectively arranged on the powder bucket cover 2, a fluidization plate 11 is arranged in the middle of the fluidization chamber 12, and the fluidization plate 11 is located inside the powder bucket 4. The bottom end of the fluidization plate 11 penetrates through the fluidization chamber 12 to the outside and is provided with a pneumatic pinch valve 9. A powder suction mechanism 10 is arranged on the powder bucket 4 for sucking and spraying the powder materials in the powder bucket 4.

[0015] The powder suction mechanism 10 includes a back-blowing pipe 13, a powder suction pipe 5, a powder pump 6 mounting block 7, a powder pump 6, and a spray gun 14. The back-blowing pipe 13 is arranged inside the powder bucket 4. A plurality of powder suction pipes 5 are fixedly connected and communicated on both sides of the back-blowing pipe 13. One end of the powder suction pipe 5 away from the back-blowing pipe 13 extends to the outside of the powder bucket 4 and is fixedly connected to the powder pump 6 mounting block 7. The powder inlet of the powder pump 6 is installed in a through hole 16 reserved on the powder pump 6 mounting block 7, and the powder pump 6 is communicated with the powder suction pipe 5 through the through hole 16. The powder outlet of the powder pump 6 is communicated with the spray gun 14. Powder holes 17 are formed on the side wall of the powder suction pipe 5 for sucking powder.

[0016] One end of the back-blowing pipe 13 penetrates through the side wall of the powder bucket 4 to its outside and is fixedly installed with a solenoid valve 1. By connecting high-pressure gas to the back-blowing pipe 13 through the solenoid valve 1, the powder suction pipe 5, the powder pump 6, the powder pump 6 mounting block 7, and the spray gun 14 can be back-blown and cleaned.

[0017] The number of powder suction pipes 5 is not less than two, and they are arranged equidistantly on the side wall of the back-blowing pipe 13.

[0018] The number of powder holes 17 on a single powder suction pipe 5 is multiple and they are arranged equidistantly along the axial direction of the powder suction pipe 5 in a disk shape. The included angle between the axis of the powder hole 17 and the horizontal plane is 45 degrees.

[0019] The fluidization plate 11 is in a funnel shape for storing powder materials. When the pneumatic pinch valve 9 is opened, the powder materials in the fluidization plate 11 can be released.

[0020] When the device works and is in normal use, powder is fed into the powder bucket 4 through the powder outlet 15. When sucking powder, power is provided by the powder pump 6, and the powder materials in the fluidization plate 11 are extracted through the powder holes 17 on the powder suction pipe 5 and sprayed out through the spray gun 14. When powder needs to be changed or cleaned, the pneumatic pinch valve 9 is opened to release the residual powder materials in the fluidization plate 11, and the unsprayed powder is freely placed into the collection box. The solenoid valve 1 is opened to introduce pulsed high-pressure air flow into the back-blowing pipe 13. Since the diameter of the powder delivery pipeline is much larger than the 45° small holes, 90% of the pulsed gas is discharged from the 14 outlet through the powder delivery pipeline during back-blowing, and thus the residual powder materials in the powder suction pipe 5, the powder pump 6, the powder pump mounting block 7, and the spray gun 14 can be blown away.

[0021] Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but rather will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A multi-functional powder feeding device, comprising a powder bucket, three-axis cylinders are symmetrically arranged at the bottom of the powder bucket, a powder bucket cover is arranged on the powder bucket, a fluidization chamber is arranged at the bottom of the powder bucket, a powder discharging port and an overflow powder pipe are respectively arranged on the powder bucket cover, and it is characterized in that: A fluidization plate is provided in the middle of the fluidization bin, and the fluidization plate is located inside the powder bucket. The bottom end of the fluidization plate penetrates through the fluidization bin to its outside and is provided with a pneumatic pinch valve. A powder suction mechanism is provided on the powder bucket for sucking and spraying the powder in the powder bucket. The powder suction mechanism includes a backflush pipe, a powder suction pipe, a powder pump mounting block, a powder pump, and a spray gun. The backflush pipe is arranged inside the powder bucket, and a plurality of powder suction pipes are fixedly communicated on both sides of the backflush pipe. The end of the powder suction pipe far from the backflush pipe extends to the outside of the powder bucket and is fixedly connected to the powder pump mounting block. The powder inlet of the powder pump is installed in the through hole reserved on the powder pump mounting block, and the powder pump is communicated with the powder suction pipe through the through hole. The powder outlet of the powder pump is communicated with the spray gun. Powder holes are provided on the side wall of the powder suction pipe for sucking powder.

2. The multifunctional powder feeding device according to claim 1, wherein: One end of the backflush pipe penetrates through the side wall of the powder bucket to its outside and is fixedly installed with a solenoid valve. By connecting high-pressure gas to the backflush pipe through the solenoid valve, the powder suction pipe, the powder pump, the powder pump mounting block, and the spray gun can be backflushed and cleaned.

3. A multifunctional powder feeding device according to claim 2, characterized in that: The number of the powder suction pipes is not less than two, and they are arranged equidistantly on the side wall of the backflush pipe.

4. A multi-functional powder feeding device according to claim 3, wherein: The number of powder holes on a single powder suction pipe is multiple and they are arranged in an equidistant disk along the axial direction of the powder suction pipe. The included angle between the axis of the powder hole and the horizontal plane is 45 degrees.

5. The multifunctional powder feeding device according to claim 4, characterized in that: The fluidization plate is funnel-shaped for storing powder, and when the pneumatic pinch valve is opened, the powder in the fluidization plate can be released.

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