阅读说明：本技术 高通量激光熔覆材料制备和送粉系统 (High-flux laser cladding material preparation and powder feeding system ) 是由 梁鹏 郭计山 于 2020-12-31 设计创作，主要内容包括：本发明公开了一种高通量激光熔覆材料制备和送粉系统,包括基座,还包括送粉装置、二次混粉装置；送粉装置包括设于基座上的多组送粉筒及分别与每组送粉筒连接的送粉管,送粉管与送粉筒的连接处设有位于送粉管上的电磁阀,送粉管的另一端与二次混粉装置连通并延伸到二次混粉装置内,送粉筒四个一组且呈方形布置,送粉筒均通过软管连接有气泵；二次混粉装置包括混粉筒、位于混粉筒内腔的扇叶和位于混粉筒内顶端的驱动电机,混粉筒的下端设有出粉管并延伸到混粉筒外,以将混合完成的粉末送入到激光熔覆系统中。本发明制备不同配比的合金粉末效率高,缩短合金粉末的研发周期,提高实验效率,并可智能操作,减少浪费和污染,节能环保。(The invention discloses a high-flux laser cladding material preparation and powder feeding system, which comprises a base, a powder feeding device and a secondary powder mixing device, wherein the base is provided with a base; the powder feeding device comprises a plurality of groups of powder feeding cylinders arranged on the base and powder feeding pipes respectively connected with each group of powder feeding cylinders, electromagnetic valves positioned on the powder feeding pipes are arranged at the joints of the powder feeding pipes and the powder feeding cylinders, the other ends of the powder feeding pipes are communicated with the secondary powder mixing device and extend into the secondary powder mixing device, the four powder feeding cylinders are arranged in a group and are arranged in a square shape, and the powder feeding cylinders are all connected with air pumps through hoses; the secondary powder mixing device comprises a powder mixing cylinder, a fan blade positioned in the inner cavity of the powder mixing cylinder and a driving motor positioned at the top end in the powder mixing cylinder, wherein the lower end of the powder mixing cylinder is provided with a powder outlet pipe and extends out of the powder mixing cylinder so as to send mixed powder into a laser cladding system. The method has the advantages of high efficiency of preparing the alloy powder with different proportions, shortening the research and development period of the alloy powder, improving the experimental efficiency, intelligent operation, reducing waste and pollution, saving energy and protecting environment.)

1. The utility model provides a high flux laser cladding material preparation and powder feeding system, includes base (1), its characterized in that still includes: a powder feeding device and a secondary powder mixing device which are used for containing alloy powder raw materials;

the powder feeding device comprises a plurality of groups of powder feeding cylinders (2) arranged on the base (1) and powder feeding pipes (3) which are respectively connected with each group of powder feeding cylinders (2) and used for primarily mixing alloy powder, electromagnetic valves which are positioned on the powder feeding pipes (3) and used for controlling the opening degree of the powder feeding pipes (3) are arranged at the joints of the powder feeding pipes (3) and the powder feeding cylinders (2), the other ends of the powder feeding pipes (3) are communicated with the secondary powder mixing device and extend into the secondary powder mixing device, the powder feeding cylinders (2) are arranged in groups of four in a square shape, and the powder feeding cylinders (2) are all connected with an air pump through hoses;

the secondary powder mixing device comprises a powder mixing cylinder (4) for containing alloy powder, fan blades (5) located in the inner cavity of the powder mixing cylinder (4) and a driving motor (6) located at the inner top end of the powder mixing cylinder (4) and used for driving the fan blades (5), wherein a powder outlet pipe (9) is arranged at the lower end of the powder mixing cylinder (4) and extends to the outside of the powder mixing cylinder (4) so as to send mixed powder into a laser cladding system.

2. The high throughput laser cladding material preparation and powder feeding system of claim 1, wherein: still include controlling means, controlling means includes controller (7) and control switch (8) with controller (7) electric connection, controller (7) are located both sides around on base (1), and with send a powder section of thick bamboo (2) with the position of mixing a powder section of thick bamboo (4) is corresponding, controller (7) still respectively with solenoid valve, air pump with driving motor (6) are connected, control switch (8) are located send powder pipe (3) with mix on the pipeline section that a powder section of thick bamboo (4) are connected.

3. The high throughput laser cladding material preparation and powder feeding system of claim 2, wherein: the powder feeding cylinder (2) adopts pneumatic powder feeding, and the gas for feeding the powder is argon.

4. The high throughput laser cladding material preparation and powder feeding system of claim 1, wherein: the powder feeding cylinders (2) are 1-2 groups.

5. The high throughput laser cladding material preparation and powder feeding system of claim 1, wherein: the bottom of the powder mixing cylinder (4) is funnel-shaped and is movably inserted into the base (1).

6. The high throughput laser cladding material preparation and powder feeding system of claim 1, wherein: the shape of the powder feeding cylinder (2) is the same as that of the powder mixing cylinder (4).

Technical Field

The invention relates to the technical field of laser cladding, in particular to a high-flux laser cladding material preparation and powder feeding system.

Background

The laser cladding is characterized in that cladding materials are added on the surface of a base material, and the cladding materials and the surface of the base material are fused together by utilizing a laser beam with high energy density to form a metallurgically bonded additive cladding layer. The cladding layer can meet the requirements on the specific properties of the surface of the material, can save a large amount of precious elements, and is an important development direction of current green manufacturing and intelligent manufacturing.

The research and development of the applicability powder is a key link of laser cladding, for a certain base material, the research and development of the applicability powder requires a large amount of laser cladding experiments and consumes a large amount of powder to obtain a satisfactory result, the research and development period is long, and the research and development cost is high. Moreover, when conventional means is used for developing powder, more than 30 minutes is usually required for developing one powder and preparing a laser cladding material, and then when the next powder is developed, powder raw materials need to be replaced and the proportion needs to be reset, so that the steps are complicated and the efficiency is low; in addition, when powder is researched and developed, most steps need manual operation, the precision of powder proportioning is often not accurate enough, and powder waste can be generated, so that the research and development cost is increased, and the environmental protection is not facilitated.

Disclosure of Invention

The invention aims to provide a high-flux laser cladding material preparation and powder feeding system which is high in alloy powder research and development efficiency and rapid in proportioning and mixing.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

a high flux laser cladding material preparation and powder feeding system comprises a base and further comprises: a powder feeding device and a secondary powder mixing device which are used for containing alloy powder raw materials;

the powder feeding device comprises a plurality of groups of powder feeding cylinders arranged on the base and powder feeding pipes which are respectively connected with each group of powder feeding cylinders and used for primarily mixing alloy powder, electromagnetic valves which are positioned on the powder feeding pipes and used for controlling the opening degree of the powder feeding pipes are arranged at the joints of the powder feeding pipes and the powder feeding cylinders, the other ends of the powder feeding pipes are communicated with the secondary powder mixing device and extend into the secondary powder mixing device, the four powder feeding cylinders are arranged in a group and in a square shape, and the powder feeding cylinders are all connected with air pumps through hoses;

the secondary powder mixing device comprises a powder mixing cylinder for containing alloy powder, multiple layers of fan blades which are distributed at equal intervals and located in an inner cavity of the powder mixing cylinder, and a driving motor which is located at the top end in the powder mixing cylinder and used for driving the fan blades, wherein a powder outlet pipe is arranged at the lower end of the powder mixing cylinder and extends out of the powder mixing cylinder so as to send mixed powder into a laser cladding system.

The technical scheme of the invention is further improved as follows: the powder mixing device is characterized by further comprising a control device, the control device comprises a controller and a control switch electrically connected with the controller, the controller is arranged on the front side and the rear side of the base and corresponds to the powder conveying cylinder and the powder mixing cylinder in position, the controller is further connected with an electromagnetic valve, an air pump and a driving motor respectively, and the control switch is arranged on a pipe section connected with the powder conveying pipe and the powder mixing cylinder.

The technical scheme of the invention is further improved as follows: the powder feeding cylinder adopts pneumatic powder feeding, and the gas for feeding the powder is argon.

The technical scheme of the invention is further improved as follows: the powder feeding cylinders are 1-2 groups.

The technical scheme of the invention is further improved as follows: the bottom of the powder mixing cylinder is funnel-shaped and is movably inserted into the base.

The technical scheme of the invention is further improved as follows: the shape of the powder feeding cylinder is the same as that of the powder mixing cylinder.

Due to the adoption of the technical scheme, the invention has the technical progress that:

the invention can pre-load various original alloy powders in the powder feeding cylinder, complete hundreds of thousands of combinations by adjusting the powder feeding cylinder and the powder feeding amount, prepare a series of cladding layers of different powders with different proportions at one time, shorten the research and development period of the alloy powders and improve the experimental efficiency.

The powder feeding cylinders are arranged into four groups and are square, so that the raw materials are conveniently added into the powder feeding cylinders, and the powder feeding cylinders can be also arranged into two groups, so that the variety of the alloy powder is improved, and the research and development period of the alloy powder can be further shortened; under the condition that only one group is needed, when one group fails, the other group can be used for replacing the other group, and inconvenience caused by equipment damage is avoided.

The bottoms of the powder feeding cylinder and the powder mixing cylinder are all arranged into a funnel shape and are inserted into the base, so that the corresponding parts can be conveniently replaced when the powder feeding cylinder or the powder mixing cylinder breaks down.

The powder mixing device can perform primary mixing in the powder feeding pipe in the powder feeding process and then perform secondary mixing in the powder mixing cylinder so as to greatly improve the powder mixing efficiency and effect, and the controller controls the electromagnetic valve, the driving motor and the air pump in the powder mixing process so as to control the powder feeding amount, the powder feeding time and the opening and closing of the powder mixing cylinder, so that the manual operation is reduced, the waste and pollution of alloy powder are avoided, and the powder mixing device is energy-saving and environment-friendly.

Drawings

FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a schematic structural view of the powder mixing barrel of the present invention;

FIG. 3 is a schematic structural diagram of a second embodiment of the present invention;

the device comprises a base 1, a base 2, a powder feeding cylinder 3, a powder feeding pipe 4, a powder mixing cylinder 5, fan blades 6, a driving motor 7, a controller 8, a control switch 9 and a powder outlet pipe.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example one

As shown in fig. 1, a high-throughput laser cladding material preparation and powder feeding system comprises a base 1, preferably square, and further comprises a powder feeding device for containing alloy powder raw materials and a secondary powder mixing device;

send the powder device including locating the multiunit on the base 1 and send a powder section of thick bamboo 2, send four a set ofly of a powder section of thick bamboo 2 and be squarely, send the bottom of a powder section of thick bamboo 2 for the infundibulate to in dismantlement and installation, at this moment, preferably two sets of, so that the different ratio of multiple powder.

Each group of powder feeding cylinders 2 is connected with a powder feeding pipe 3 for primarily mixing alloy powder and is positioned between the following fan blades 5 and the following driving motor 6; the junction of powder feeding pipe 3 and powder feeding cylinder 2 is provided with an electromagnetic valve which is positioned on powder feeding pipe 3 and used for controlling the opening degree of powder feeding pipe 3, the other end of powder feeding pipe 3 is communicated with a powder mixing device and extends into the powder mixing device, and powder feeding cylinder 2 is connected with an air pump through a hose, so that when powder is fed, pneumatic powder feeding is adopted, selected gas is preferably argon, powder is fed pneumatically, alloy powder can flow in powder feeding pipe 3, preliminary mixing is carried out, and the mixing effect of the alloy powder is improved.

As shown in fig. 2, the secondary powder mixing device includes: the powder mixing device comprises a powder mixing cylinder 4 for containing alloy powder and mixing the primarily mixed alloy powder for the second time, a plurality of layers of fan blades 5 which are distributed at equal intervals and are positioned in the inner cavity of the powder mixing cylinder 4, and a driving motor 6 which is positioned at the top end in the powder mixing cylinder 4 and is used for driving the fan blades 5. The secondary mixing of the alloy powder in the powder mixing cylinder 4 is realized by driving the fan blades 5 in the powder mixing cylinder 4 to rotate, and the fan blades 5 are preferably three layers to realize the optimal mixing effect; the bottom of the powder mixing cylinder 4 is the same as the powder feeding cylinder 2 in shape and is also funnel-shaped, so that the powder mixing cylinder 4 can be conveniently detached and replaced when in failure.

The lower end of the powder mixing cylinder 4 is provided with a powder outlet pipe 9 and extends out of the powder mixing cylinder 4 so as to send the mixed powder into a laser cladding system. The invention can carry out primary mixing in the powder feeding pipe 3 in the powder feeding process and then carry out secondary mixing in the powder mixing cylinder 4, thereby greatly improving the powder mixing efficiency and effect.

The powder mixing device also comprises a control device, the control device comprises a controller 7 and a control switch 8 electrically connected with the controller 7, the controller 7 is arranged on the front side and the rear side of the base 1 and corresponds to the positions of the powder feeding cylinder 2 and the powder mixing cylinder 4, and the controller 7 is also respectively connected with the electromagnetic valve, the air pump and the driving motor 6 to control the powder feeding amount and the powder feeding time of the powder feeding cylinder 2, and can control the opening and closing of the powder mixing cylinder 4, the control switch 8 is arranged on the pipe section of the powder feeding pipe 3 connected with the powder mixing cylinder 4, the pipe section is provided with a control switch 8, when one of the powder mixing cylinders 4 is used for mixing powder, the control switch 8 on the connecting pipeline is closed, so that the powder can be continuously fed to the other powder mixing cylinder 4, thereby two powder mixing barrels 4 can mix powder simultaneously, greatly improve the efficiency of mixing powder, shorten the research and development cycle of alloy powder, improve experimental efficiency.

And (3) mixing the A + B alloy powder. A, B two kinds of alloy powder are respectively added into the powder feeding cylinder 2.

Feeding the powder A for 2 minutes, wherein the powder feeding time is 0.1; and feeding the powder B for 2 minutes, feeding the powder B for 0.9, mixing the powder for 2 minutes after the powder feeding is finished, starting a laser cladding experiment, and preparing a No. 1 cladding layer. Then powder is uniformly fed for 1 minute, and the powder feeding amount is shown in the following table:

and mixing the powder for 2 minutes after the powder feeding is finished in the experiments, starting the laser cladding experiment, and preparing the cladding layer with the corresponding sequence number. The prepared cladding layer can realize corresponding effect through inspection, but the preparation of the alloy powder by using the method only needs a few minutes, and compared with the conventional experiment time which exceeds half an hour, the preparation efficiency is greatly improved.

Example two

The difference between the present embodiment and the first embodiment is that the number of the powder feeding cylinders 2 is different, so as to reduce the space occupancy rate of the whole equipment.

As shown in fig. 3, a high-throughput laser cladding material preparation and powder feeding system includes a base 1, preferably square, and further includes a powder feeding device for containing alloy powder raw materials and a secondary powder mixing device;

send the powder device including locating the multiunit on the base 1 and send a powder section of thick bamboo 2, send four a set ofly of a powder section of thick bamboo 2 and be squarely, send the bottom of a powder section of thick bamboo 2 for the infundibulate to in dismantlement and installation, at this moment, preferably a set of, so that the different ratio of multiple powder.

Each group of powder feeding cylinders 2 is connected with a powder feeding pipe 3 for primarily mixing alloy powder and is positioned between the following fan blades 5 and the following driving motor 6; the junction of powder feeding pipe 3 and powder feeding cylinder 2 is provided with an electromagnetic valve which is positioned on powder feeding pipe 3 and used for controlling the opening degree of powder feeding pipe 3, the other end of powder feeding pipe 3 is communicated with a powder mixing device and extends into the powder mixing device, and powder feeding cylinder 2 is connected with an air pump through a hose, so that when powder is fed, pneumatic powder feeding is adopted, selected gas is preferably argon, powder is fed pneumatically, alloy powder can flow in powder feeding pipe 3, preliminary mixing is carried out, and the mixing effect of the alloy powder is improved.

As shown in fig. 2, the secondary powder mixing device includes: the powder mixing device comprises a powder mixing cylinder 4 for containing alloy powder and mixing the primarily mixed alloy powder for the second time, a plurality of layers of fan blades 5 which are distributed at equal intervals and are positioned in the inner cavity of the powder mixing cylinder 4, and a driving motor 6 which is positioned at the top end in the powder mixing cylinder 4 and is used for driving the fan blades 5. The secondary mixing of the alloy powder in the powder mixing cylinder 4 is realized by driving the fan blades 5 in the powder mixing cylinder 4 to rotate, and the fan blades 5 are preferably three layers to realize the optimal mixing effect; the bottom of the powder mixing cylinder 4 is the same as the powder feeding cylinder 2 in shape and is also funnel-shaped, so that the powder mixing cylinder 4 can be conveniently detached and replaced when in failure.

The lower end of the powder mixing cylinder 4 is provided with a powder outlet pipe 9 and extends out of the powder mixing cylinder 4 so as to send the mixed powder into a laser cladding system. The invention can carry out primary mixing in the powder feeding pipe 3 in the powder feeding process and then carry out secondary mixing in the powder mixing cylinder 4, thereby greatly improving the powder mixing efficiency and effect.

The powder mixing device also comprises a control device, the control device comprises a controller 7 and a control switch 8 electrically connected with the controller 7, the controller 7 is arranged on the front side and the rear side of the base 1 and corresponds to the positions of the powder feeding cylinder 2 and the powder mixing cylinder 4, and the controller 7 is also respectively connected with the electromagnetic valve, the air pump and the driving motor 6 to control the powder feeding amount and the powder feeding time of the powder feeding cylinder 2, and can control the opening and closing of the powder mixing cylinder 4, the control switch 8 is arranged on the pipe section of the powder feeding pipe 3 connected with the powder mixing cylinder 4, the pipe section is provided with a control switch 8, when one of the powder mixing cylinders 4 is used for mixing powder, the control switch 8 on the connecting pipeline is closed, so that the powder can be continuously fed to the other powder mixing cylinder 4, thereby two powder mixing barrels 4 can mix powder simultaneously, greatly improve the efficiency of mixing powder, shorten the research and development cycle of alloy powder, improve experimental efficiency.

In use, A, B, C three kinds of alloy powder are respectively added into the powder feeding cylinder 2.

Mixing experiments of three alloy powders of A + B + C. The three alloy powders were fed simultaneously for 1.5 minutes, with the following powder feed amounts:

and mixing the powder for 2 minutes after the powder feeding is finished in the experiments, starting the laser cladding experiment, and preparing the cladding layer with the corresponding sequence number. The prepared cladding layer can realize corresponding effect through inspection, but the preparation of the alloy powder by using the method only needs a few minutes, and compared with the conventional experiment time which exceeds half an hour, the preparation efficiency is greatly improved.

By adopting a high-flux laser cladding material preparation and powder feeding system, various orthogonal experiments can be designed, the whole process is controlled by adopting each controller 7, and researchers can carry out other work after the program is operated. After the experiment is finished, the experimental result is detected, the experimental efficiency is greatly improved, and the research and development progress of the alloy powder is greatly improved.

The working principle is as follows:

original alloy powder is added into the powder feeding cylinder 2 to serve as a raw material storage, the powder can be primarily mixed during argon powder feeding, and final mixing and powder feeding of the alloy powder are finally completed in the powder mixing cylinder 4, so that the purposes of powder mixing and powder feeding are achieved.

The controller 7 is used for intelligent control, the serial number and the powder feeding amount of the powder feeding cylinder 2 are changed, various kinds of powder are matched and mixed automatically, and the purposes of preparing and feeding the high-flux laser cladding material are achieved.

The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.