CN218611693U

CN218611693U - Device for rapidly cooling metal powder

Info

Publication number: CN218611693U
Application number: CN202223104259.XU
Authority: CN
Inventors: 陈洋; 顾孙望; 郭韶山; 宋登湘; 顾雯
Original assignee: Zhongtian Shangcai Additive Manufacturing Co ltd
Current assignee: Zhongtian Shangcai Additive Manufacturing Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-14
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a device of rapid cooling metal powder contains collection powder jar, support and the actuating mechanism that sways, and collection powder jar rotates to set up on the support, and collection powder jar is connected with the actuating mechanism that sways and makes a round trip to sway on the support by the actuating mechanism drive that sways, and the jar body of collection powder jar adopts double-deck water-cooling jacket structure. The utility model discloses can realize that the automation keeps the powder in the powder jar that collects to the motion state to make the metal powder in the powder jar and press from both sides the cover internal cooling water fully contact, greatly improved the cooling capacity of system, under the condition that guarantees that powder oxygen content is low, reduce out the powder time, can greatly promote production efficiency.

Description

Device for rapidly cooling metal powder

Technical Field

The utility model relates to a cooling device, especially a cool off metal powder's device fast belongs to vibration material disk and makes technical field.

Background

Nowadays, metal 3D printing technology is well-established worldwide, and its rapid response capability and extremely high flexibility of manufacture play a great role in the promotion. The metal powder, as a raw material for metal additive manufacturing, largely determines the properties of the final print. Therefore, for the metal powder for 3D printing, the powder parameters have high requirements: high purity of chemical components, narrow particle size distribution, low oxygen content, good fluidity and the like. Among them, since the oxygen content directly affects the final mechanical properties of printed matter, the control of oxygen content has been one of the subjects studied by domestic and foreign scholars.

At present, the industrial production method of metal powder is a gas atomization method, which uses high-speed and high-pressure inert gas to break up molten metal flow, and after flying cooling, metal powder for additive manufacturing can be obtained. However, since the gas atomization device cannot realize an absolutely sealed environment, the powder is easily oxidized by contacting air in the cooling stage, and finally the oxygen content of the metal powder is increased, so that the printing requirement cannot be met. In the traditional method, a powder collecting tank is designed to be a double-layer jacket, and cooling water is used for cooling powder, but in the method, the powder collecting tank is statically placed on the ground, and the powder is in a static state, so that the cooling water in the jacket cannot be fully contacted with the powder, the temperature of the powder is slowly reduced, the cooling time is prolonged, and the production efficiency is seriously influenced. Generally, a 300kg class gas atomization device requires 4 to 6 hours for cooling the powder using a common static water cooling method. Therefore, how to rapidly cool the metal powder in the powder collecting tank and realize rapid powder discharge on the premise of ensuring that the oxygen content meets the requirement so as to improve the production efficiency is a key problem to be solved at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a device of rapid cooling metal powder is provided, the cooling effect of metal powder is improved.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

a device for rapidly cooling metal powder is characterized in that: contain collection powder jar, support and swing actuating mechanism, collection powder jar rotates to set up on the support, and collection powder jar is connected with swing actuating mechanism and is made a round trip to sway on the support by swing actuating mechanism drive, and the jar body of collection powder jar adopts double-deck water-cooling jacket structure.

Furthermore, a cooling water inlet is formed in the upper end of the side face of the powder collecting tank, a cooling water outlet is formed in the bottom face of the powder collecting tank, and the cooling water inlet and the cooling water outlet are communicated with an inner cavity of a double-layer water-cooling jacket structure of the powder collecting tank.

Further, the support contains bottom plate, first vertical support and the vertical support of second, and first vertical support is vertical to be fixed in bottom plate one side, and the vertical opposite side at the bottom plate of fixing of the vertical support of second.

Furthermore, a U-shaped groove is formed in the upper end of the first vertical support and the upper end of the second vertical support respectively, a first supporting shaft arranged horizontally is fixed to one side of the powder collecting tank, a second supporting shaft arranged horizontally is fixed to the other side of the powder collecting tank, the first supporting shaft and the second supporting shaft are located on the same straight line, one side of the powder collecting tank is rotatably arranged in the U-shaped groove in the upper end of the first vertical support through the first supporting shaft, and the other side of the powder collecting tank is rotatably arranged in the U-shaped groove in the upper end of the second vertical support through the second supporting shaft.

Furthermore, one end of the first supporting shaft is fixed on the outer side surface of the powder collection tank, the other end of the first supporting shaft is provided with a first flange, the other end of the second supporting shaft is fixed on the outer side surface of the powder collection tank, and the other end of the second supporting shaft is provided with a second flange.

Furthermore, the swing driving mechanism comprises a rotating shaft, a bearing seat, a rocker, a connecting rod, a disc and a motor, wherein the rotating shaft is rotatably arranged on the bearing seat, one end of the rotating shaft is connected with the first supporting shaft or the second supporting shaft, the rocker is perpendicular to the rotating shaft and one end of the rocker is fixedly connected with the other end of the rotating shaft, the other end of the rocker is hinged with one end of the connecting rod, the other end of the connecting rod is hinged to the side face of the disc, and the disc is arranged on an output shaft of the motor and is driven to rotate by the motor.

Furthermore, a third flange is arranged at one end of the rotating shaft, and the third flange and the second flange are locked and fixed through bolts.

Further, the lower end of the bearing seat is fixed on the side extension plate of the second vertical support.

Further, the motor is a common motor, a stepping motor or a servo motor.

Compared with the prior art, the utility model, have following advantage and effect: the utility model discloses a cool off metal powder's device fast can realize that the automation keeps the powder in the powder jar of album to the motion state to make the metal powder in the powder jar of collection fully contact with the cooling water in the clamp cover, greatly improved the cooling capacity of system, under the condition that guarantees that powder oxygen content is low, reduce the powder time, can greatly promote production efficiency. Additionally, the utility model discloses a motor drive crank rocker mode drives collection powder jar and makes a round trip to rotate repeatedly, and the drive mode is simple, low in manufacturing cost is honest and clean to make a round trip to swing through the cooperation of rocker, connecting rod, disc with motor circumference drive change collection powder jar into, the motor can continuous operation, and the fault rate is low.

Drawings

Fig. 1 is a schematic view of an apparatus for rapidly cooling metal powder according to the present invention.

Detailed Description

To elaborate the technical solution adopted by the present invention to achieve the predetermined technical purpose, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of the present invention, not all embodiments, and technical means or technical features in the embodiments of the present invention can be replaced without inventive labor, and the present invention will be described in detail below with reference to the accompanying drawings in combination with the embodiments.

As shown in FIG. 1, the utility model discloses a device of rapid cooling metal powder contains collection powder jar 1, support and the actuating mechanism that sways, and collection powder jar 1 rotates and sets up on the support, and collection powder jar 1 is connected with the actuating mechanism that sways and makes a round trip to sway on the support by the actuating mechanism drive that sways, and the jar body of collection powder jar 1 adopts double-deck water-cooling jacket structure. The double-layer water-cooling jacket structure of the powder collecting tank 1 is filled with cooling water to cool metal powder in the powder collecting tank 1, and meanwhile, when the metal powder is cooled, the powder collecting tank 1 is driven by the swing driving mechanism to swing back and forth on the support, so that the metal powder in the powder collecting tank 1 is stirred back and forth in the powder collecting tank 1 along with the swing of the powder collecting tank 1, the metal powder is in contact with the inner wall of the powder collecting tank 1 more fully, and the cooling effect and efficiency of the metal powder are improved.

The upper end of the side surface of the powder collecting tank 1 is provided with a cooling water inlet 2, the bottom surface of the powder collecting tank 1 is provided with a cooling water outlet 3, and the cooling water inlet 2 and the cooling water outlet 3 are communicated with the inner cavity of the double-layer water-cooling jacket structure of the powder collecting tank 1. The cooling water inlet 2 and the cooling water outlet 3 are connected with a water supply pipeline and a water return pipeline of the cooling system through quick connectors, the cooling system pumps cooling water in the cooling water tank into the cooling water inlet 2, and the cooling water flows out from the cooling water outlet 3 after passing through the inner cavity of the double-layer jacket of the powder collecting tank 1. In order to avoid influencing the swinging of the powder collecting tank 1, the water inlet pipeline and the water return pipeline of the cooling system both adopt hoses.

The support contains bottom plate 4, first vertical support 5 and the vertical support of second 6, and first vertical support 5 is vertical to be fixed in bottom plate 4 one side, and the vertical opposite side at bottom plate 4 of fixing of the vertical support of second 6. The first vertical support 5 and the second vertical support 6 are arranged in parallel and have equal height, and the first vertical support 5 and the second vertical support 6 are symmetrically arranged at two ends of the upper side surface of the bottom plate 4.

A U-shaped groove 7 is formed in the upper end of the first vertical support 5 and the upper end of the second vertical support 6 respectively, a first supporting shaft 8 which is horizontally arranged is fixed on one side of the powder collecting tank 1, a second supporting shaft 9 which is horizontally arranged is fixed on the other side of the powder collecting tank 1, and the first supporting shaft 8 and the second supporting shaft 9 are located on the same straight line and symmetrically arranged on two sides of the powder collecting tank 1. Since the main body of the powder collecting tank 1 is a cylindrical structure, the first supporting shaft 8 and the second supporting shaft 9 are located on a radial line of a circle of the same cross section of the powder collecting tank 1. One side of the powder collecting tank 1 is rotatably arranged in a U-shaped groove 7 at the upper end of the first vertical support 5 through a first supporting shaft 8, and the other side of the powder collecting tank 1 is rotatably arranged in a U-shaped groove 7 at the upper end of the second vertical support 6 through a second supporting shaft 9. Adopt U type recess 7 structure, can conveniently install collection powder jar 1 and dismantle.

One end of the first supporting shaft 8 is fixed on the outer side surface of the powder collecting tank 1, the other end of the first supporting shaft 8 is provided with a first flange 10, the other end of the second supporting shaft 9 is fixed on the outer side surface of the powder collecting tank 1, and the other end of the second supporting shaft 9 is provided with a second flange 11. Set up the flange structure through the outer end at the back shaft, can effectively establish the spacing card of back shaft of powder collection jar 1 in U type recess, avoid deviating from of powder collection jar 1, the flange structure can conveniently be connected the installation with swing actuating mechanism moreover.

The swing driving mechanism comprises a rotating shaft 12, a bearing seat 13, a rocker 14, a connecting rod 15, a disc 16 and a motor 17, wherein the rotating shaft 12 is rotatably arranged on the bearing seat 13, one end of the rotating shaft 12 is connected with the first supporting shaft 8 or the second supporting shaft 9, the rocker 14 is perpendicular to the rotating shaft 12, one end of the rocker 14 is fixedly connected with the other end of the rotating shaft 12, the other end of the rocker 14 is hinged with one end of the connecting rod 15, the other end of the connecting rod 15 is hinged to the side face of the disc 16 and close to the edge, and the disc 16 is arranged on an output shaft of the motor 17 and is driven to rotate by the motor 17. The motor 17 drives the disc 16 to rotate, the disc 16 is pulled back and forth through the upper end of the rocker 14 of the connecting rod 15, so that the rocker 14 swings and rotates back and forth around the rotating shaft 12, and finally the powder collecting tank 1 is driven to swing back and forth.

One end of the rotating shaft 12 is provided with a third flange 18, and the third flange 18 is locked and fixed with the second flange 11 through bolts, so that the connection between the rotating shaft 12 and the second supporting shaft 9 is realized. The bearing housing 13 is arranged in the vertical direction and the lower end of the bearing housing 13 is fixed to the side extension plate of the second vertical support 6. The motor 17 is a common motor, a stepping motor or a servo motor and mainly provides torque driving force for the system.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the preferred embodiment, it is not intended to limit the present invention, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and all those skilled in the art can make modifications or modifications equivalent embodiments without departing from the technical spirit of the present invention.

Claims

1. An apparatus for rapidly cooling metal powder, comprising: contain collection powder jar, support and swing actuating mechanism, collection powder jar rotates to set up on the support, and collection powder jar is connected with swing actuating mechanism and is made a round trip to sway on the support by swing actuating mechanism drive, and the jar body of collection powder jar adopts double-deck water-cooling jacket structure.

2. An apparatus for rapidly cooling metal powder as recited in claim 1, wherein: the upper end of the side surface of the powder collecting tank is provided with a cooling water inlet, the bottom surface of the powder collecting tank is provided with a cooling water outlet, and the cooling water inlet and the cooling water outlet are communicated with the inner cavity of the double-layer water cooling jacket structure of the powder collecting tank.

3. An apparatus for rapidly cooling metal powder as recited in claim 1, wherein: the support comprises a bottom plate, a first vertical support and a second vertical support, the first vertical support is vertically fixed on one side of the bottom plate, and the second vertical support is vertically fixed on the other side of the bottom plate.

4. An apparatus for rapidly cooling metal powder as recited in claim 3, wherein: the upper end of first vertical support and the upper end of the vertical support of second are opened respectively and are had a U type recess, and one side of collection powder jar is fixed with the first back shaft that a level set up, and the opposite side of collection powder jar is fixed with the second back shaft that a level set up, and first back shaft and second back shaft are located same straight line, and one side of collection powder jar rotates through first back shaft and sets up in first vertical support upper end U type recess, and the opposite side of collection powder jar passes through the second back shaft and rotates the setting in the vertical support upper end U type recess of second.

5. An apparatus for rapidly cooling metal powder as recited in claim 4, wherein: the one end of first back shaft is fixed on collection powder jar lateral surface, and the other end of first back shaft is provided with first flange, and the other end of second back shaft is fixed on collection powder jar lateral surface, and the other end of second back shaft is provided with the second flange.

6. An apparatus for rapidly cooling metal powder as recited in claim 5, wherein: the swing driving mechanism comprises a rotating shaft, a bearing seat, a rocker, a connecting rod, a disc and a motor, wherein the rotating shaft is rotatably arranged on the bearing seat, one end of the rotating shaft is connected with the first supporting shaft or the second supporting shaft, the rocker is perpendicular to the rotating shaft and one end of the rocker is fixedly connected with the other end of the rotating shaft, the other end of the rocker is hinged with one end of the connecting rod, the other end of the connecting rod is hinged to the side face of the disc, and the disc is arranged on an output shaft of the motor and driven to rotate by the motor.

7. An apparatus for rapidly cooling metal powder as claimed in claim 6, wherein: and a third flange is arranged at one end of the rotating shaft, and the third flange and the second flange are locked and fixed through bolts.

8. An apparatus for rapidly cooling metal powder as recited in claim 6, wherein: the lower end of the bearing block is fixed on the side extending plate of the second vertical support.

9. An apparatus for rapidly cooling metal powder as recited in claim 6, wherein: the motor is a common motor, a stepping motor or a servo motor.