CN218580061U

CN218580061U - Laser cladding powder feeding device and laser cladding system

Info

Publication number: CN218580061U
Application number: CN202222689384.5U
Authority: CN
Inventors: 赵鹏; 王守仁; 段旭楠; 杨海宁; 焦一帆; 张振宇; 刘文龙; 张建鹏; 周超
Original assignee: University of Jinan
Current assignee: University of Jinan
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-03-07
Anticipated expiration: 2032-10-12

Abstract

The utility model relates to a laser cladding send powder device machine laser cladding system, including the main tank body, main tank body top intercommunication has a plurality of powder workbins, the inside hot plate that is provided with the back taper of main tank body, hot plate bottom central point puts and is equipped with mixing chamber, mixing chamber's bottom is equipped with the discharge gate, discharge gate department installs the ooff valve, the stirring subassembly is installed to the main tank body, the stirring subassembly bottom stretches into in the mixing chamber, the below of hot plate is provided with the screen cloth, the bottom of main tank body is connected with the one end of ejection of compact flexible pipe, the other end of ejection of compact flexible pipe is used for connecting the laser cladding head, adopts the utility model discloses a send the powder device can effectively avoid the amass phenomenon of powder material group.

Description

Laser cladding powder feeding device and laser cladding system

Technical Field

The utility model relates to a laser cladding equipment technical field, concretely relates to laser cladding send whitewashed device and laser cladding system.

Background

The statements herein merely provide background related to the present disclosure and may not necessarily constitute prior art.

In the laser powder feeding cladding process, a powder feeding device is an extremely important part, and a laser cladding layer is formed by mixing a plurality of materials at present, and patent application CN112553622A discloses a laser cladding powder feeding device and a laser cladding device, which have a stirring component, and avoid the defect that powder needs to be mixed uniformly by manpower before powder feeding.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects of the prior art, providing a laser cladding powder feeding device, effectively solving the problem of powder agglomeration and improving the working efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

in a first aspect, the embodiment of the utility model provides a laser cladding send whitewashed device, including the main tank body, main tank body top intercommunication has a plurality of powder workbins, the inside hot plate that is provided with the back taper of main tank body, hot plate bottom central point puts and is equipped with mixing chamber, mixing chamber's bottom is equipped with the discharge gate, discharge gate department installs the ooff valve, the stirring subassembly is installed to the main tank body, the stirring subassembly bottom stretches into in the mixing chamber, the below of hot plate is provided with the screen cloth, the bottom of main tank body is connected with the one end of ejection of compact flexible tube, the other end of ejection of compact flexible tube is used for connecting the laser cladding head.

Optionally, the powder box is internally provided with a material cavity, the bottom of the material cavity is of an inverted cone structure, the bottom of the box body is also provided with a material discharging pipe, one end of the material discharging pipe is communicated with the center of the bottom of the inverted cone structure of the material cavity, and the other end of the material discharging pipe is communicated with the top of the main box body.

Optionally, the discharge pipe is provided with a switch valve.

Optionally, the powder box includes the open box in top that sets up, and the open end detachable in top of box is connected with the case lid.

Optionally, the stirring subassembly includes the stirring driving piece, and the stirring driving piece is fixed at the top tank wall upper surface of the main tank body, and the stirring driving piece is connected with the top of (mixing) shaft, and the bottom of (mixing) shaft stretches into in the mixing chamber, and the shaft part that the (mixing) shaft stretches into the mixing chamber is fixed with a plurality of stirring vane.

Optionally, the heating plate is an electric heating plate.

Optionally, the side wall of the main box body corresponding to the space between the heating plate and the screen is provided with a switch door.

Optionally, the screen is fixedly connected with the screen support, the screen support is fixedly connected with the main box body, and the screen support is provided with a vibrating motor.

Optionally, the upper surface of the bottom box wall of the main box body is of an inverted cone structure, a discharge hole is formed in the center of the bottom box wall of the main box body, and the discharge hole is connected with one end of the flexible discharge pipe.

In a second aspect, an embodiment of the present invention provides a laser cladding system, including laser cladding machine and the first aspect laser cladding powder feeding device, the flexible discharging pipe of laser cladding powder feeding device is connected with the laser cladding head of laser cladding machine.

Above-mentioned the utility model has the advantages as follows:

1. the utility model discloses a laser cladding send whitewashed device, be provided with the hot plate, the hot plate adopts the toper board that falls, the hot plate bottom is equipped with the stirring cavity, make the powder that falls into the main tank body at first fall to the hot plate, heating through the hot plate, the dryness fraction of powder has been improved, the probability that the powder produced group amasss is reduced, and the powder after the stirring falls into the screen cloth of hot plate below, the screen cloth can further sieve out the powder that produces group amasss, only the powder that satisfies the particle diameter requirement can fall down, the powder that has avoided producing group amasss gets into the laser cladding head and influences the process, need not to send manual treatment group amasss before the powder, and the work efficiency is improved.

2. The utility model discloses a laser cladding powder feeding device, the screen cloth support of fixed screen cloth is provided with vibrating motor, can make the screen cloth produce the vibration, has further avoided the powder to produce the long-pending phenomenon of group.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

fig. 2 is a schematic view of the internal structure of embodiment 1 of the present invention;

fig. 3 is a front view of the internal structure of embodiment 1 of the present invention;

the device comprises a box cover 1, a box body 2, a switch valve 3, an exhaust port 4, an electric heating plate 5, a screen 6, a laser cladding head 7, a stirring chamber 8, a stirring blade 9, a stirring shaft 10, a stirring motor 11, a main box body 12, a screen support 13, a flexible connecting pipe 14 and a vibrating motor 15.

Detailed Description

Example 1

In this embodiment, two powder bins are arranged on the top of the main box 12, and the two powder bins are symmetrically arranged relative to the center of the main box.

The powder case includes the open box 2 that sets up in top, and box 2 is inside to have the material chamber that is used for holding the powder, the material chamber of box 2 inside has cylinder type cavity and the back taper cavity that sets up from top to bottom for the bottom in material chamber forms the back taper structure.

The bottom central point of powder case puts and is provided with row material pipe, arranges the one end of arranging the material pipe and puts the intercommunication with the bottom central point of back taper cavity, and the other end is connected with the top tank wall of the main tank body, arrange the rigid pipe that the material pipe adopted steel or other metal material to make, can play the supporting role to the powder case, need not additionally to set up the powder case support frame.

The inverted cone cavity of the material cavity is convenient for collecting powder to the bottom end, and then the powder is discharged through the discharge pipe.

Arrange and install ooff valve 3 on the material pipe, ooff valve 3 is used for controlling to arrange the switching on and closing of material pipe, and in this embodiment, the ooff valve adopts automatically controlled ooff valve, for example automatically controlled butterfly valve or automatically controlled ball valve or solenoid valve etc..

The opening end of box is provided with case lid 1, and fixed connection can be dismantled through flange and bolt to case lid 1 and box 2, perhaps 1 one end of case lid and box 2 rotate to be connected, is provided with locking mechanism between the other end and the box 2, and locking mechanism adopts current switch lock can.

The box cover 1 is opened, and corresponding powder can be added into the powder box.

The inside hot plate that is provided with of main tank, in this embodiment, the hot plate adopt current electric heating board 5 can, electric heating board 5 adopts the back taper structure, and the outward flange of electric heating board 5 is fixed with the lateral part tank wall medial surface of main tank, in this embodiment, only need to current electric heating board reform transform into the back taper structure can, its concrete structure does not describe in detail here.

In order to prevent the heat generated by the electric heating plate 5 from being transferred to the wall of the main tank 12 and causing a worker's scald, a thermal insulation coating is applied to the inner side surface of the wall of the main tank 12, and the thermal insulation coating may be formed of a conventional thermal insulation material, which will not be described in detail herein.

The cable of the electric heating plate 5 is led out from the wire outlet hole on the wall of the main box body.

In another embodiment, the heating plate is an inverted cone-shaped metal plate, the metal plate is made of a heat-conducting metal material, a heating channel is arranged in the metal plate, and heating elements such as an electric heating rod or a resistance wire are arranged in the heating channel.

The central point of electrical heating board 5 puts and is provided with the open stirring cavity 8 that sets up in top, and the powder that falls on the hot plate can slide down under the effect of self gravity and enter stirring cavity 8.

The stirring subassembly is installed to the main tank body 12, and the stirring subassembly includes the stirring driving piece, and the stirring driving piece adopts agitator motor 11, and agitator motor 11's casing is fixed and is put at the central point of main tank body 12 top tank wall upper surface, and agitator motor 11's output shaft stretches into the main tank body inside and has (mixing) shaft 10 through the coupling joint, and during stirring chamber 8 was stretched into to the bottom of (mixing) shaft 10, and the shaft section that stirring chamber was stretched into to (mixing) shaft 10 was provided with a plurality of stirring vane 9.

Stirring motor 11 can drive (mixing) shaft 10 and rotate around self axis, utilizes stirring vane 9 to stir the powder in stirring chamber 8, stirs the misce bene with different powder in stirring chamber.

In this embodiment, stirring vane 9 is divided into two sets ofly, and two sets of stirring vane set up from top to bottom, and wherein the stirring vane of top is the heliciform blade that four equidistant settings set up, and the stirring vane of lower floor is the straight plate form blade that four equidistant settings set up, and the setting of staggering of heliciform blade and straight plate form blade.

The bottom of stirring cavity 8 is provided with the discharge gate, and discharge gate department installs the ooff valve, and the ooff valve adopts current automatically controlled ooff valve can, for example automatically controlled butterfly valve or automatically controlled ball valve or solenoid valve etc..

And a screen 6 is arranged below the stirring chamber 8, and the diameter of the mesh of the screen 6 meets the requirement of the particle size of laser cladding powder.

In this embodiment, the screen 6 is connected with the screen support 13, the screen support 13 is fixed on the inner side surface of the side wall of the main box body 12 or the inner side surface of the bottom wall of the main box body, the vibrating motor 15 is installed on the screen support 13, the vibrating motor 15 can drive the screen 6 to vibrate to screen the powder, the falling of the agglomerated powder is avoided, and meanwhile, the agglomerated phenomenon of the powder can be further reduced through vibration. Ensuring the normal operation of the subsequent laser cladding.

In a preferred embodiment, rubber or other types of cushioning pads are provided between the screen carrier 13 and the main housing 12 to reduce the transmission of vibrations to the main housing 12.

The upper surface of the bottom box wall of the main box body 12, namely the inner side surface, is of an inverted cone structure, a discharge hole is formed in the central position of the bottom box wall of the main box body, the discharge hole is connected with one end of a flexible discharge pipe 14, and the other end of the flexible discharge pipe 14 is used for being connected with a laser cladding head 7.

The flexible discharge tube 14 is made of a flexible tube, for example a rubber tube, to accommodate the movement of the laser cladding head 7.

The upper surface of the tank wall at the bottom of the main tank body 12 adopts an inverted cone structure, so that powder can be conveniently collected and then discharged through the discharge port.

In this embodiment, an opening and closing door is arranged on a side wall of the main box body 12 between the screen 6 and the heating plate, and after the opening and closing door is opened, powder which does not fall down on the screen is conveniently cleaned.

An air outlet 4 is formed in the side box wall of the main box body above the heating plate, and a pressure release valve is installed at the air outlet 4 and used for discharging excessive air pressure generated by heating of the heating plate, so that the safety of the whole powder feeding device is guaranteed.

The working method of the powder feeding device in the embodiment comprises the following steps:

the switch valves 3 at the two discharging pipes are opened, the powder in the powder box falls onto the electric heating plate 5 of the main box body 12, the set temperature of the electric heating plate 5 is 95-105 ℃, the electric heating plate 5 heats the powder, the dryness of the powder is ensured, the occurrence probability of powder agglomeration is reduced, the two kinds of powder slide along the electric heating plate 5 under the action of gravity to enter the stirring chamber 8, the stirring motor 11 works to drive the stirring shaft 10 to rotate, the powder in the powder chamber 8 is stirred by the stirring blades 9, the two kinds of powder are uniformly mixed, after the stirring set time, the switch valve at the discharge port at the bottom of the stirring chamber is opened, the mixed powder falls onto the screen 6, the screen 6 vibrates under the action of the vibrating motor to screen the falling mixed powder, the powder meeting the particle size requirement falls through the screen 6, the produced agglomeration or the powder with the overlarge particle size is left on the screen, and the vibration of the screen 6 can further reduce the agglomeration of the powder.

The mixed powder passing through the screen 6 enters the flexible discharge pipe through the discharge hole of the main box body and then enters the laser cladding head.

Example 2

The embodiment provides a laser cladding system, which comprises a laser cladding machine 15, wherein a laser cladding head of the laser cladding machine 15 is connected with a discharge end of a flexible discharge pipe, the laser cladding machine only adopts the existing equipment, the specific structure of the laser cladding machine is not described in detail herein,

although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims

1. The utility model provides a laser cladding powder feeding device, a serial communication port, including the main tank body, main tank body top intercommunication has a plurality of powder workbins, the inside hot plate that is provided with the back taper of main tank body, hot plate bottom central point puts and is equipped with mixing chamber, mixing chamber's bottom is equipped with the discharge gate, discharge gate department installs the ooff valve, the main tank body is installed the stirring subassembly, the stirring subassembly bottom stretches into in the mixing chamber, the below of hot plate is provided with the screen cloth, the bottom of main tank body is connected with the one end of ejection of compact flexible tube, the other end of ejection of compact flexible tube is used for connecting the laser cladding head.

2. The powder feeder for laser cladding as claimed in claim 1, wherein the powder hopper has a material cavity therein, the bottom of the material cavity has an inverted conical structure, the bottom of the main body further has a discharge tube, one end of the discharge tube is connected to a central position of the inverted conical structure of the material cavity, and the other end is connected to the top of the main body.

3. The laser cladding powder feeding apparatus as claimed in claim 2, wherein said discharge pipe is provided with a switching valve.

4. The laser cladding powder feeding device of claim 1, wherein the powder bin comprises a box body with an open top, and a box cover is detachably connected to the open top of the box body.

5. The laser cladding powder feeding device according to claim 1, wherein the stirring assembly comprises a stirring driving member fixed on the upper surface of the top wall of the main box, the stirring driving member is connected with the top end of the stirring shaft, the bottom end of the stirring shaft extends into the mixing chamber, and a plurality of stirring blades are fixed on a shaft section of the stirring shaft extending into the mixing chamber.

6. A laser cladding powder feeder apparatus as claimed in claim 1, wherein said heating plate is an electrical heating plate.

7. The laser cladding powder feeding device as claimed in claim 1, wherein a door is provided on a side wall of the main tank corresponding to a space between the heating plate and the mesh.

8. The laser cladding powder feeding device according to claim 1, wherein the screen is fixedly connected with a screen support, the screen support is fixedly connected with the main box, and a vibration motor is mounted on the screen support.

9. The powder feeding device for laser cladding as claimed in claim 1, wherein the upper surface of the bottom wall of the main box body is in an inverted cone structure, and a discharge outlet is provided at the central position of the bottom wall of the main box body and connected with one end of a flexible discharge pipe.

10. A laser cladding system, characterized by comprising a laser cladding machine and the laser cladding powder feeding device of any one of claims 1-9, wherein a flexible discharge pipe of the laser cladding powder feeding device is connected with a laser cladding head of the laser cladding machine.