CN214601946U

CN214601946U - Metal powder feeding device

Info

Publication number: CN214601946U
Application number: CN202120832020.0U
Authority: CN
Inventors: 胡伟波; 高慧; 杨军
Original assignee: Henan Ruideke Pneumatic Conveying Equipment Co ltd
Current assignee: Henan Ruideke Pneumatic Conveying Equipment Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-11-05
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses a metal powder send whitewashed device relates to powder and carries technical field, including the casing, the upper end of casing is equipped with the feed inlet, and the lower extreme of casing is equipped with the discharge gate, and the casing internal fixation has a screen cloth, and the last sliding surface of screen cloth is connected with a whitewashed device, and the bottom of casing is equipped with powder conveyor, and powder conveyor is linked together with the discharge gate, and whitewashed device and powder conveyor all are connected with the controller electricity. The utility model discloses can control the brush powder device through the controller, the brush powder device can brush the metal powder that blocks on the screen cloth and get off.

Description

Metal powder feeding device

Technical Field

The utility model relates to a powder transport technical field especially relates to a metal powder send powder device.

Background

In industrial production, metal powder materials are increasingly used in various industries, for example, 3D printing technology adopts additive manufacturing model finishing technology, and technology for constructing an object by layer-by-layer printing using a bondable material of powder metal or plastic based on a digital model. The 3D printing technology has the advantages of simplifying the design process, reducing the production cost and accelerating the production period. The 3D metal printing material mainly comprises powder and metal wires, and the metal powder is more widely applied. Therefore, metal powder transportation is involved in each production process, and the transportation scenes are more and more. A stable, accurate, and trace powder feeding device is particularly important.

In the process of metal powder conveying, the screen is a common filtering device, but because the conveying of a large amount of metal powder, and some metal powder are not easy to separate and are combined into a whole, the metal powder can be clamped on the screen, so that the screen is blocked, and the subsequent filtering of the metal powder is not easy.

Therefore, a new metal powder feeding device is urgently needed in the market to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a metal powder send whitewashed device for solve the technical problem that exists among the above-mentioned prior art, can effectually get rid of the metal lump on the screen cloth.

In order to achieve the above object, the utility model provides a following scheme:

the utility model discloses a metal powder send whitewashed device, which comprises a housin, the upper end of casing is equipped with the feed inlet, the lower extreme of casing is equipped with the discharge gate, the casing internal fixation has a screen cloth, the last surface sliding connection of screen cloth has a brush powder device, the bottom of casing is equipped with powder conveyor, powder conveyor with the discharge gate is linked together, the brush powder device with powder conveyor all is connected with the controller electricity.

Preferably, the feed inlet is of a cylindrical structure, a sliding groove is formed in the side wall of the feed inlet, and a switch door is connected to the sliding groove in a sliding mode.

Preferably, the powder brushing device is a brush, the side wall of the brush is fixed on a telescopic rod of a hydraulic cylinder, and the hydraulic cylinder is fixed on the inner wall of the shell.

Preferably, the feed inlet with still rotate between the screen cloth and be connected with two stirring rollers, the both ends of stirring roller pass through the bearing frame rotate connect in the casing, the bearing frame is fixed in the casing, the one end of stirring roller is fixed with agitator motor, evenly be equipped with a plurality of stirring vane on the stirring roller.

Preferably, a vibration exciter is fixed on the screen mesh and electrically connected with the controller.

Preferably, a back-blowing fan is fixed between the screen and the powder conveying device, the back-blowing fan is fixed on the inner wall of the shell, and the back-blowing fan is electrically connected with the controller.

Preferably, be equipped with a collection tube, a fixed cylinder, a telescopic cylinder and a water-cooling pipe between the screen cloth with the powder conveyor, the internal diameter of collection tube from top to bottom reduces gradually, the upper end of collection tube is fixed in on the inner wall of casing, the upper end diameter of collection tube with the casing internal diameter is the same, the upper end of fixed cylinder is fixed in the lower extreme of collection tube, the lower extreme of fixed cylinder has the external screw thread, the telescopic cylinder has the internal thread, the lower extreme of fixed cylinder with telescopic cylinder threaded connection, all twine on the collection tube the fixed cylinder with on the outer wall of telescopic cylinder the water-cooling pipe, the both ends of water-cooling pipe pass respectively the lateral wall of casing.

Preferably, powder conveyor includes screw motor and auger, screw motor is fixed in on the inner wall of casing, screw motor's output shaft is fixed in the one end of auger.

The utility model discloses for prior art gain following technological effect:

1. the metal powder on the screen mesh can be effectively brushed off through the brush;

2. the metal powder on the screen can be reversely blown upwards by a back-blowing fan, so that the powder is separated from the screen;

3. the water cooling pipe is arranged, so that the metal powder with higher temperature can be cooled.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a powder feeding device for metal powder according to this embodiment;

in the figure: 1-a shell; 2-a feed inlet; 3, opening and closing the door; 4-a stirring roller; 5-screening the screen; 6-a vibration exciter; 7-a hydraulic cylinder; 8-brush; 9-a back-blowing fan; 10-a collection cylinder; 11-a fixed cylinder; 12-a telescopic cylinder; 13-a water-cooled tube; 14-a screw motor; 15-auger; 16-a discharge hole; 100-metal powder feeding device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, the present embodiment provides a metal powder feeding device 100, which includes a casing 1, a feeding port 2 is disposed at the top of the upper end of the casing 1, and a discharging port 16 is disposed on the sidewall of the lower end of the casing 1. A screen 5 is fixed in the shell 1, and the size of the screen 5 is equal to the size of the inner wall of the shell 1. The upper surface of the screen 5 is connected with a powder brushing device in a sliding way, the bottom of the shell 1 is provided with a powder conveying device, the powder conveying device is communicated with the discharge hole 16, and the powder brushing device and the powder conveying device are both electrically connected with the controller.

When the metal powder conveying device is used, metal powder is poured into the metal powder conveying device from the upper end feeding hole 2, the metal powder can be scattered after falling onto the screen 5, the metal powder falls onto the powder conveying device through the screen 5, and finally the metal powder is conveyed out from the discharging hole 16 through the powder conveying device.

In order to prevent that metal powder from waving out from feed inlet 2, in this embodiment, feed inlet 2 is cylindric structure, is equipped with a spout on the lateral wall of feed inlet 2, and sliding connection has switch door 3 in the spout. The switch door 3 comprises a baffle and a handle, the baffle is connected with the handle through a connecting plate, the baffle is the same as the inner wall of the feed inlet 2 in size, and the handle is convenient for a user to grasp. When the metal powder needs to be poured, the grabbing handle pulls out the baffle plate, and the metal powder can be poured into the shell 1.

In order to brush out the metal powder on the screen 5, in this embodiment, the brushing device is a brush 8, the side wall of the brush 8 is fixed on the telescopic rod of a hydraulic cylinder 7, the hydraulic cylinder 7 is fixed on the inner wall of the housing 1, and the hydraulic cylinder 7 is electrically connected with the controller. The telescopic rod on the hydraulic cylinder 7 is controlled to reciprocate, so that the brush 8 is driven to brush the metal powder on the screen 5. Those skilled in the art can also replace the brush 8 with a scraper with a softer hardness, which is used to avoid the screen 5 being scraped.

In this embodiment, still rotate between feed inlet 2 and the screen cloth 5 and be connected with two stirring roller 4, the both ends of stirring roller 4 are passed through the bearing frame and are rotated and connect in casing 1, and in the bearing frame was fixed in casing 1, the one end of stirring roller 4 was fixed with agitator motor, evenly was equipped with a plurality of stirring vane on the stirring roller 4, and the stirring vane on two stirring roller 4 is crisscross to be distributed, and the middle gap of two stirring roller 4 is located feed inlet 2 under. During the use, the metal powder that drops from the pan feeding mouth passes through two stirring roller 4 to preliminarily break up a large amount of metal powder.

In order to avoid the screen 5 from being blocked by the metal powder, in the embodiment, the vibration exciter 6 is fixed on the screen 5, and the vibration exciter 6 is electrically connected with the controller. The vibration exciter 6 is controlled to be started through the controller, the vibration exciter 6 drives the screen 5 to vibrate, the dispersion of the metal powder is accelerated, and the screen 5 can be effectively prevented from being blocked by the metal powder.

Further, in this embodiment, a back-blowing fan 9 is fixed between the screen 5 and the powder conveying device, the back-blowing fan 9 is fixed on the inner wall of the casing 1, and the back-blowing fan 9 is electrically connected with the controller. The back-blowing fan 9 blows back air from bottom to top to the screen 5, and can blow the metal powder blocked on the screen 5 upwards. It should be noted that when the blowback blower 9 is used, the opening and closing door 3 should be in a closed state to prevent the metal powder from being blown out and causing waste.

In order to properly cool the metal powder at a higher temperature, in this embodiment, a collecting cylinder 10, a fixed cylinder 11, a telescopic cylinder 12 and a water cooling pipe 13 are arranged between the screen 5 and the powder conveying device, the inner diameter of the collecting cylinder 10 is gradually reduced from top to bottom, the upper end of the collecting cylinder 10 is fixed on the inner wall of the casing 1, the diameter of the upper end of the collecting cylinder 10 is the same as the inner diameter of the casing 1, and the collecting cylinder 10 is used for collecting all the metal powder falling out from the screen 5. The upper end of a fixed cylinder 11 is fixed in the lower extreme of a collecting vessel 10, and the lower extreme of a fixed cylinder 11 has the external screw thread, and a telescopic cylinder 12 has the internal thread, and the lower extreme of a fixed

cylinder

11 and 12 threaded connection of telescopic cylinder can increase overall length through rotating telescopic cylinder 12, can let metal powder one section distance of multithread in telescopic cylinder 12 to promote the cooling effect. The outer walls of the collecting cylinder 10, the fixed cylinder 11 and the telescopic cylinder 12 are all wound with water-cooling pipes 13, two ends of each water-cooling pipe 13 penetrate through the side wall of the shell 1 respectively, one end of each water-cooling pipe is used for feeding cold water, and the other end of each water-cooling pipe is used for discharging the cold water.

In this embodiment, the powder conveying device includes a screw motor 14 and an auger 15, the screw motor 14 is fixed on the inner wall of the casing 1, and an output shaft of the screw motor 14 is fixed at one end of the auger 15. The separated metal powder can be effectively separated by the packing auger 15, and the other main purpose of conveying by the packing auger 15 is to avoid the dust flying problem of the metal powder.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A metal powder feeding device is characterized in that: the powder brushing device comprises a housing, the upper end of casing is equipped with the feed inlet, the lower extreme of casing is equipped with the discharge gate, the internal fixation of casing has a screen cloth, the upper surface sliding connection of screen cloth has a brush powder device, the bottom of casing is equipped with powder conveyor, powder conveyor with the discharge gate is linked together, brush powder device with powder conveyor all is connected with the controller electricity.

2. The metal powder feeding device according to claim 1, characterized in that: the feed inlet is cylindric structure, be equipped with a spout on the lateral wall of feed inlet, sliding connection has the switch door in the spout.

3. The metal powder feeding device according to claim 1, characterized in that: the powder brushing device is a hairbrush, the side wall of the hairbrush is fixed on a telescopic rod of a hydraulic cylinder, and the hydraulic cylinder is fixed on the inner wall of the shell.

4. The metal powder feeding device according to claim 1, characterized in that: the feed inlet with still rotate between the screen cloth and be connected with two stirring rollers, the both ends of stirring roller pass through the bearing frame rotate connect in the casing, the bearing frame is fixed in the casing, the one end of stirring roller is fixed with agitator motor, evenly be equipped with a plurality of stirring vane on the stirring roller.

5. The metal powder feeding device according to claim 1, characterized in that: and a vibration exciter is fixed on the screen and electrically connected with the controller.

6. The metal powder feeding device according to claim 1, characterized in that: a back-blowing fan is fixed between the screen and the powder conveying device, the back-blowing fan is fixed on the inner wall of the shell, and the back-blowing fan is electrically connected with the controller.

7. The metal powder feeding device according to claim 1, characterized in that: the screen cloth with be equipped with a collecting vessel, a fixed cylinder, a telescopic cylinder and a water-cooling pipe between the powder conveyor, the collecting vessel from top to bottom internal diameter reduces gradually, the upper end of collecting vessel is fixed in on the inner wall of casing, the upper end diameter of collecting vessel with the casing internal diameter is the same, the upper end of fixed cylinder is fixed in the lower extreme of collecting vessel, the lower extreme of fixed cylinder has the external screw thread, the telescopic cylinder has the internal thread, the lower extreme of fixed cylinder with telescopic cylinder threaded connection, the collecting vessel the fixed cylinder with all twine on the outer wall of telescopic cylinder the water-cooling pipe, the both ends of water-cooling pipe pass respectively the lateral wall of casing.

8. The metal powder feeding device according to claim 1, characterized in that: the powder conveying device comprises a spiral motor and an auger, the spiral motor is fixed on the inner wall of the shell, and an output shaft of the spiral motor is fixed at one end of the auger.