阅读说明：本技术 一种利用气流对金属粉体研磨分级的全自动立式气流磨设备 (Full-automatic vertical airflow mill equipment for grinding and grading metal powder by utilizing airflow ) 是由 刘邵生 李虹 郭彬 黄赣军 李文凯 张晶 于 2020-12-23 设计创作，主要内容包括：本发明公开了一种利用气流对金属粉体研磨分级的全自动立式气流磨设备,包括碾磨罐,碾磨罐一侧壁设置有喷嘴,碾磨罐一侧设置有气泵站,喷嘴的进风口通过管道与所述气泵站连通,碾磨罐的侧壁设置有进料管,进料管便于待碾磨的金属粉体通入,碾磨罐内设置有分级轮,碾磨罐一侧设置有收尘器,碾磨罐与收尘器通过粉体流动管路连通,收尘器的下端设置有接驳站,接驳站可排放收尘器内的粉体,收尘器一侧设置有滤尘器,滤尘器的侧壁与收尘器通过连接管连通,滤尘器的上端与所述气泵站通过管道连通。本发明将破碎、筛分、收尘等设备整合在一起,提高了生产效率,降低设备和人工成本。(The invention discloses full-automatic vertical airflow mill equipment for grinding and grading metal powder by using airflow, which comprises a grinding tank, wherein a nozzle is arranged on one side wall of the grinding tank, an air pump station is arranged on one side of the grinding tank, an air inlet of the nozzle is communicated with the air pump station through a pipeline, a feed pipe is arranged on the side wall of the grinding tank, the feed pipe is convenient for the introduction of the metal powder to be ground, a grading wheel is arranged in the grinding tank, a dust collector is arranged on one side of the grinding tank, the grinding tank is communicated with the dust collector through a powder flowing pipeline, a connection station is arranged at the lower end of the dust collector and can discharge the powder in the dust collector, a dust filter is arranged on one side of the dust filter, the side wall of the dust filter is communicated with the dust collector through a connecting pipe, and the. The invention integrates the devices of crushing, screening, dust collection and the like, improves the production efficiency and reduces the device and labor cost.)

1. A full-automatic vertical airflow mill device for grinding and grading metal powder by airflow is characterized in that,

including milling jar (1), milling jar (1) a lateral wall is provided with nozzle (3), milling jar (1) one side is provided with gas pumping station (2), the air intake of nozzle (3) pass through the pipeline with gas pumping station (2) intercommunication, the lateral wall of milling jar (1) is provided with inlet pipe (4), inlet pipe (4) are convenient for wait the metal powder who mills to let in, be provided with classification wheel (5) in milling jar (1), milling jar (1) one side is provided with dust collector (7), milling jar (1) with dust collector (7) pass through powder flow line (6) intercommunication, the lower extreme of dust collector (7) is provided with and connects station (9), connect station (9) and can discharge the powder in dust collector (7), dust collector (7) one side is provided with dust catcher (10), the lateral wall of dust catcher (10) with dust collector (7) pass through connecting pipe (8) intercommunication, the upper end of the dust filter (10) is communicated with the air pump station (2) through a pipeline.

2. The full-automatic vertical airflow mill device for grinding and grading metal powder by using airflow as claimed in claim 1, wherein,

the connecting pipe (8) and the joint of the dust filter (10) and the dust collector (7) are both provided with filter screens.

3. The full-automatic vertical airflow mill device for grinding and grading metal powder by using airflow as claimed in claim 2, wherein,

the connecting pipe (8) is arranged in a bent structure.

4. The full-automatic vertical airflow mill device for grinding and grading metal powder by using airflow as claimed in claim 3, wherein,

for improving connecting pipe (8) with the connection stability of dirt catcher (10), dust collector (7), connecting pipe (8) with the handing-over department of dirt catcher (10), dust collector (7) all is provided with mount (11), the cross section of mount (11) sets up to L type structure, the one side of mount (11) with the fixed surface of dirt catcher (10), dust collector (7) is connected, the another side of mount (11) with connecting pipe (8) fixed connection.

5. The full-automatic vertical airflow mill device for grinding and grading metal powder by using airflow as claimed in claim 1, wherein,

the grinding tank, the dust collector (7) and the dust filter (10) are sequentially and additionally arranged from left to right.

6. The full-automatic vertical airflow mill device for grinding and grading metal powder by using airflow as claimed in claim 1, wherein,

in order to improve the heat dissipation performance of the air pump station (2), a heat dissipation layer is arranged on the surface of the air pump station (2).

7. The full-automatic vertical airflow mill device for grinding and grading metal powder by using airflow as claimed in claim 6, wherein,

the heat dissipation layer adopts a heat conduction polyester coating layer.

8. The full-automatic vertical airflow mill device for grinding and grading metal powder by using airflow as claimed in claim 6, wherein,

and the carrier gas output by the gas pump station (2) is set as inert gas.

Technical Field

The invention relates to the technical field of milling equipment, in particular to full-automatic vertical airflow milling equipment for grinding and grading metal powder by using airflow.

Background

At present, in domestic equipment for airflow classification of metal powder such as tungsten, molybdenum and the like, firstly, air is used as a carrier, and the powder is easy to oxidize and has reduced quality in the process; the grading wheel is small, the linear speed is low, and the grading effect is poor; thirdly, full-automatic production cannot be realized, the existing process equipment has single function, functional equipment is required to be used in a matching way, and equipment connection is not compact; the single unit has low automation degree, and the whole system has no automation.

Disclosure of Invention

In order to solve the technical problems, the invention provides the following technical scheme:

the invention provides a full-automatic vertical airflow mill device for grinding and grading metal powder by using airflow,

including the jar of milling, a jar lateral wall of milling is provided with the nozzle, jar one side of milling is provided with the pump station, the air intake of nozzle pass through the pipeline with the pump station intercommunication, the lateral wall of the jar of milling is provided with the inlet pipe, the inlet pipe is convenient for wait that the metal powder who mills lets in, be provided with the classification wheel in the jar of milling, jar one side of milling is provided with the dust collector, the jar of milling with the dust collector passes through powder flow pipeline intercommunication, the lower extreme of dust collector is provided with the station of plugging into, the station of plugging into can discharge powder in the dust collector, dust collector one side is provided with the dust filter, the lateral wall of dust filter with the dust collector passes through the connecting pipe intercommunication, the upper end of dust filter with the pump station passes through the pipeline intercommunication.

Preferably, filter screens are arranged at the joints of the connecting pipes and the dust filter and the dust collector.

Preferably, the connection pipe is provided in a bent structure.

Preferably, for improving the connecting pipe with the connection stability of dirt catcher, dust collector, the connecting pipe with the handing-over department of dirt catcher, dust collector all is provided with the mount, the cross section of mount sets up to L type structure, the one side of mount with the fixed surface of dirt catcher, dust collector is connected, the another side of mount with connecting pipe fixed connection.

Preferably, the grinding tank, the dust collector and the dust filter are sequentially and additionally arranged from left to right.

Preferably, be convenient for improve the heat dissipation of air pump station, air pump station's the surperficial heat dissipation layer that is provided with.

Preferably, the heat dissipation layer adopts a heat conduction polyester coating layer.

Preferably, the carrier gas output by the gas pumping station is set as inert gas.

The invention has the beneficial effects

(1) After the process of the invention, the uniformity and consistency of the powder particle size distribution are greatly improved, the quality of the product at the later stage is obviously improved, and the favorable guarantee is provided for producing and preparing high-performance products.

(2) The invention integrates the devices of crushing, screening, dust collection and the like, improves the production efficiency and reduces the device and labor cost.

(3) The powder preparation of the invention is full-automatic closed cycle, and has no pollution and no waste.

(4) The invention adopts a vertical structure, a large grading wheel and closed cycle, thereby greatly improving the production efficiency.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic structural view of the fixing frame of the present invention.

Description of reference numerals: 1-grinding tank, 2-air pump station, 3-nozzle, 4-feeding pipe, 5-grading wheel, 6-powder flow pipeline, 7-dust collector, 8-connecting pipe, 9-connection station, 10-dust filter and 11-fixing frame.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1-2, the present invention provides a fully automatic vertical airflow mill device for grinding and grading metal powder by using airflow,

including grinding jar 1, grinding jar 1 lateral wall is provided with nozzle 3, grinding jar 1 one side is provided with air pumping station 2, the air intake of nozzle 3 pass through the pipeline with air pumping station 2 communicates, grinding jar 1's lateral wall is provided with inlet pipe 4, the metal powder that inlet pipe 4 is convenient for to wait to grind lets in, grinding jar 1 is provided with hierarchical wheel 5, grinding jar 1 one side is provided with dust collector 7, grinding jar 1 with dust collector 7 passes through powder flow line 6 and communicates, the lower extreme of dust collector 7 is provided with the station of plugging into 9, the station of plugging into 9 can discharge the powder in the dust collector 7, dust collector 7 one side is provided with dust filter 10, the lateral wall of dust filter 10 with dust collector 7 passes through connecting pipe 8 and communicates, connecting pipe 8 sets up to the bending structure, and the bending structure can slow down the flow rate of carrier gas flow, the dust is collided with the inner wall of the connecting pipe 8 for a plurality of times and is deposited on the inner wall of the connecting pipe 8 for convenient collection, the upper end of the dust filter 10 is communicated with the air pump station 2 through a pipeline, the carrier gas output by the air pump station 2 is set to be inert gas, in the embodiment, the inert gas is set to be nitrogen,

powder to be milled enters a cavity milling tank 1 through a feeding pipe 4, nitrogen in an air pump station 2 is conveyed by a pipeline and is sprayed to the powder to be milled through a nozzle 3, the powder moves at a high speed under airflow to enable the powder to collide with each other, so that the purpose of milling and crushing the powder is achieved, when the powder passes through a grading wheel 5, coarse particle powder returns to the milling tank 1 to be continuously crushed, the graded powder is conveyed into a dust collector 7 through a powder flow pipeline 6 and is collected by the dust collector 7 (the dust collector 7 can be arranged in multiple stages), a connection station 9 discharges the powder, carrier gas flows through a connecting pipe 8 and is continuously conveyed into a dust filter 10, the dust filter 10 further deposits the powder in carrier gas flow, the carrier gas flow is further conveyed into the air pump station 2 through the pipeline, the air pump station 2 and the nozzle 3 are circulated again, the equipment such as crushing, screening and dust collection are integrated together, and the production efficiency is improved, equipment and labor cost are reduced;

filter screens are arranged at the joints of the connecting pipe 8 and the dust filter 10 and the dust collector 7, and the filter screens filter powder in carrier airflow;

in order to improve the connection stability of the connecting pipe 8 with the dust filter 10 and the dust collector 7, fixing frames 11 are arranged at the joints of the connecting pipe 8 with the dust filter 10 and the dust collector 7, the cross section of each fixing frame 11 is of an L-shaped structure, one surface of each fixing frame 11 is fixedly connected with the surfaces of the dust filter 10 and the dust collector 7, the other surface of each fixing frame 11 is fixedly connected with the connecting pipe 8, and the fixing frames 11 can prevent the connecting pipe 8 from falling off in the operation process and improve the safety of the operation process;

the grinding tank, the dust collector 7 and the dust filter 10 are sequentially and additionally arranged from left to right, so that gas circulation is facilitated;

in order to improve the thermal diffusivity of air pump station 2, air pump station 2 is provided with the heat dissipation layer on the surface, the heat dissipation layer adopts the heat conduction polyester dope layer, and through set up the heat dissipation layer on air pump station 2 surface, the heat dissipation layer can play the radiating effect to air pump station 2, at air pump station 2 during operation, can play supplementary radiating function, avoids air pump station 2 overheat phenomenon to appear, has reduced air pump station 2's fault rate, has improved the security performance of air pump station 2 when using simultaneously.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.