CN116586617A - Silver powder atomizing device and silver powder atomizing method for 3D printing - Google Patents

Abstract

The invention belongs to the technical field of atomization powder preparation and discloses a silver powder atomization device for 3D printing, which comprises an atomization tank, wherein a feeding pipe is fixedly communicated with the middle part of the top of the atomization tank, a limiting cylinder is fixedly connected to the inside of the top of the atomization tank, a connecting pipe is movably clamped at the bottom of the inside of the limiting cylinder, a toothed ring is connected to the outer side of the connecting pipe in a threaded manner, and a first gear is meshed with the outer side of the toothed ring. According to the invention, the atomization effect of the device is good through the structural coordination of the limiting cylinder, the connecting pipe, the toothed ring, the first gear, the second gear, the spray nozzle and the like, water is added into the limiting cylinder through the water inlet pipe, the first motor is started, the first motor drives the first gear to rotate through the second gear, the toothed ring rotates to drive the connecting pipe to move upwards, the material is scattered and atomized through water injection, and the atomization effect of the device is good through the structural coordination of the limiting cylinder, the connecting pipe, the toothed ring, the first gear, the second gear, the spray nozzle and the like.

Description

A silver powder atomization device and atomization method for 3D printing

technical field

The invention belongs to the technical field of atomization powder making, in particular to a silver powder atomization device and an atomization method for 3D printing.

Background technique

3D printing is a kind of rapid prototyping technology, also known as additive manufacturing. It is a technology based on digital model files and using bondable materials such as powdered metal or plastic to construct objects by layer-by-layer printing. , In the printing of some special workpieces, it is often necessary to use silver powder as the printing material, and the existing silver is mostly produced by atomization powder making technology.

In the prior art, the silver liquid is crushed into fine droplets by the impact of a fast-moving fluid or atomized medium or in other ways, and then condensed into a solid powder. The existing atomization device usually uses an atomization nozzle Impact the silver powder liquid to break it into fine droplets, but due to the fixed position of the atomizing nozzle, the impact distance of the silver liquid cannot be adjusted, resulting in different cooling rates of the silver liquid at different temperatures, making the atomization effect Poor, a silver powder atomization device and atomization method for 3D printing is proposed to solve the above problems.

Contents of the invention

(1) Solved technical problems

In order to solve the problems raised in the above-mentioned background technology, the present invention provides a silver powder atomization device and an atomization method for 3D printing. Materials are added through the feed pipe, water is added to the inside of the limit cylinder through the water inlet pipe, and the Start the first motor, the first motor drives the first gear to rotate through the second gear, the first gear drives the gear ring to rotate, the gear ring rotates to drive the connecting pipe to move upward, the connecting pipe drives the nozzle upward, and sprays the material to disperse the mist It has the advantages of good atomization effect.

(2) Technical solution

In order to achieve the above object, the present invention provides the following technical solutions: a silver powder atomization device for 3D printing, including an atomization tank, the middle part of the top of the atomization tank is fixedly connected with a feed pipe, and the top of the atomization tank is The inside is fixedly connected to the limiting cylinder, and the bottom of the limiting cylinder is movably connected with a connecting pipe. The outer side of the connecting pipe is threaded with a gear ring, and the outer side of the gear ring is meshed with a first gear. The other side of the gear is meshed with a second gear, the middle part of the second gear is fixedly connected with the first motor, and the bottom of the connecting pipe is fixedly connected with a spray head at an equal angle.

Preferably, the middle part inside the atomization tank is fixedly connected with a filter plate, the middle bearing of the filter plate is connected with a rotating rod, the top of the rotating rod is fixedly connected with a movable plate at an equal angle, and the bottom of the rotating rod A second motor is fixedly connected, the bottom of the second motor is fixedly connected with a support frame, the middle part of the top of the second motor is fixedly connected with a sealing cover, the bottom of the second motor is fixedly connected with a screw, and the bottom of the second motor is fixedly connected with a screw rod. The outer side is threaded with a first swivel, and the outer side of the first swivel ring is fixedly connected with a support rod at an equal angle, the other side of the support rod is engaged with a movable rod, and the other side of the movable rod is fixedly connected with a Scraper, the upper and lower sides of the middle part of the movable rod are fixedly connected with springs, the top side bearing of the first swivel is connected with a second swivel, and the top of the second swivel is fixedly connected with a fixed cylinder, so The outer side of the fixed cylinder is movably clamped with a movable cylinder.

Preferably, the top of the limiting cylinder is fixedly connected with a water inlet pipe at an equal angle, and the top of the gear ring is connected to the bearing of the limiting cylinder.

Preferably, a water inlet tank is provided in the middle of the connecting pipe, and the bottom of the water inlet tank is in fixed communication with the spray head.

Preferably, the upper and lower sides of the middle part of the first gear are fixedly connected to the atomization tank, and the outer side of the first motor is fixedly connected to the atomization tank.

Preferably, the middle part of the filter plate is high and the outer end is low, the top of the sealing cover is fixedly connected with the filter plate, and the sealing cover is located outside the second motor.

Preferably, the outer side of the support frame is fixedly connected to the inner side of the atomization tank, and the middle part of the support frame is connected to the screw bearing.

Preferably, the top of the movable cylinder is fixedly connected to the support frame, and the outer side of the fixed cylinder is provided with convex strips at an equal angle to match and engage with the movable cylinder.

Preferably, the inner ring of the second swivel is threadedly connected to the screw, the movable cylinder is located outside the screw, the other side of the spring is fixedly connected to the support rod, and the side of the scraper away from the support rod is connected to the The inner side of the atomizing tank is movable, and the scraper is made of rubber material.

A silver powder atomization method for 3D printing, the operation steps are as follows:

Firstly, the operator adds the material through the feeding pipe, and adds water into the inside of the limit cylinder through the water inlet pipe. By starting the first motor, the first motor drives the first gear to rotate through the second gear, and the first gear drives the gear ring to rotate. The rotation of the gear ring drives the connecting pipe to move upward, and the connecting pipe drives the nozzle upward. The material is dispersed and atomized by water jetting, and the atomized silver powder falls to the top of the filter plate. By starting the second motor, the second motor passes through the rotating rod. Drive the movable plate to rotate, scrape the top side of the filter plate through the rotation of the movable plate, quickly filter and drop the silver powder, protect the filter plate through the sealing cover, drive the screw to rotate through the second motor, and fix the filter plate through the movable cylinder The position of the barrel is limited, so that the second swivel moves downward, and the second swivel pushes the first swivel to move downward, so that the first swivel can rotate and move downward. The first swivel drives the movable rod through the support rod to move The rod drives the scraper downward, and the scraper is squeezed through the atomization tank, so that the support rod and the movable rod are bent, and the spring is bent, and the silver powder attached to the inside of the atomization tank can be scratched and dropped by the scraper, and the operation is completed .

(3) Beneficial effects

Compared with the prior art, the beneficial effects of the present invention are as follows:

In the present invention, the atomization effect of the device is good through the structural cooperation of the limiting cylinder, the connecting pipe, the gear ring, the first gear, the second gear and the nozzle, and the material is added through the feeding pipe, and the water is added to the limiting cylinder through the water inlet pipe. Inside, by starting the first motor, the first motor drives the first gear to rotate through the second gear, the first gear drives the gear ring to rotate, the gear ring rotates to drive the connecting pipe to move upward, the connecting pipe drives the nozzle upward, and the water jet will The material is dispersed and atomized, and the atomization effect of the device is good through the structural cooperation of the limit cylinder, the connecting pipe, the gear ring, the first gear, the second gear and the nozzle;

In the present invention, the filter plate, the second motor, the movable plate, the sealing cover, the rotating rod and other structural cooperation make the filtering effect of the device good, and the atomized silver powder falls to the top of the filter plate, and by starting the second motor, the second motor passes through the The rotary rod drives the movable plate to rotate, and scrapes the top side of the filter plate through the rotation of the movable plate, so that the silver powder can be quickly filtered and dropped, and the filter plate can be protected by the sealing cover, through the filter plate, the second motor, the movable plate, The structural cooperation of the sealing cover and the rotating rod makes the filtering effect of the device good;

In the present invention, the cleaning and collection effect of the device is good through the structural cooperation of the screw, the first swivel, the support rod, the movable rod, the scraper and the spring, the screw is driven to rotate by the second motor, and the fixed cylinder is limited by the movable cylinder, so that The second swivel moves downward, and the second swivel pushes the first swivel to move downward, so that the first swivel can rotate and move downward. The first swivel drives the movable rod through the support rod, and the movable rod drives the scraper downward. , the scraper is squeezed through the atomization tank, so that the support rod and the movable rod are bent, and the spring is bent, and the silver powder attached to the inside of the atomization tank can be scratched and dropped by the scraper, and the screw, the first swivel, the The structural cooperation of the support rod, the movable rod, the scraper and the spring makes the cleaning and collection effect of the device good.

Description of drawings

Fig. 1 is the schematic diagram of front section of structure of the present invention;

Fig. 2 is the enlarged schematic diagram of A place of Fig. 1 of the present invention;

Fig. 3 is the enlarged schematic diagram of the B place of Fig. 1 of the present invention;

Fig. 4 is a schematic diagram of the positional relationship between the screw rod, the first swivel, the support rod, the movable rod, the scraper and the spring in the present invention;

Fig. 5 is a top sectional schematic view of the second gear of the present invention;

Fig. 6 is a schematic front view of the present invention.

In the figure: 1. Atomization tank; 2. Feed pipe; 3. Limiting cylinder; 4. Connecting pipe; 5. Gear ring; 6. First gear; 7. Second gear; 8. First motor; 9 10, filter plate; 11, second motor; 12, movable plate; 13, sealing cover; 14, support frame; 15, rotating rod; 16, screw rod; 17, first swivel ring; 18, support rod; 19. Movable rod; 20. Scraper; 21. Spring; 22. Movable cylinder; 23. Fixed cylinder; 24. Second swivel.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Figures 1 to 6, the present invention provides a silver powder atomization device for 3D printing, including an atomization tank 1, the middle part of the top of the atomization tank 1 is fixedly connected with a feed pipe 2, and the top of the atomization tank 1 The inside is fixedly connected to the limiting cylinder 3, the bottom of the limiting cylinder 3 is movably connected to the connecting pipe 4, the outer side of the connecting pipe 4 is threaded with the gear ring 5, and the outer side of the gear ring 5 is meshed with the first gear 6, the first gear The other side of 6 is meshed with the second gear 7, the middle part of the second gear 7 is fixedly connected with the first motor 8, and the bottom of the connecting pipe 4 is connected to the nozzle 9 at an equal angle; the top of the limit tube 3 is fixed at an equal angle. Connected with a water inlet pipe, the top of the gear ring 5 is connected to the limit cylinder 3 bearings, the middle part of the connecting pipe 4 is provided with a water inlet tank, the bottom of the water inlet tank is fixedly connected with the nozzle 9, and the upper and lower sides of the middle part of the first gear 6 are connected to the atomizer. The tank 1 is fixedly connected, the outside of the first motor 8 is fixedly connected with the atomization tank 1, the material is added through the feed pipe 2, and the water is added to the inside of the limit cylinder 3 through the water inlet pipe. By starting the first motor 8, the first The motor 8 drives the first gear 6 to rotate through the second gear 7, the first gear 6 drives the gear ring 5 to rotate, the gear ring 5 rotates to drive the connecting pipe 4 to move upward, the connecting pipe 4 drives the nozzle 9 upward, and the material is sprayed by water jetting. Dispersed atomization makes the atomization effect of the device better.

As shown in Figure 1, Figure 2 and Figure 4, the middle part of the atomization tank 1 is fixedly connected with a filter plate 10, the middle bearing of the filter plate 10 is connected with a rotating rod 15, and the top of the rotating rod 15 is fixedly connected with a movable ring at an equal angle. plate 12, the bottom of the rotating rod 15 is fixedly connected with the second motor 11, the bottom of the second motor 11 is fixedly connected with the support frame 14, the middle part of the top of the second motor 11 is fixedly connected with the sealing cover 13, and the bottom of the second motor 11 is fixed Connected with a screw 16, the outer thread of the screw 16 is connected with a first swivel 17, and the outer side of the first swivel 17 is fixedly connected with a support rod 18 at an equal angle, and the other side of the support rod 18 is engaged with a movable rod 19, and the movable rod The other side of 19 is fixedly connected with scraper 20, and the upper and lower sides of movable rod 19 middle parts are all fixedly connected with spring 21, and the top side bearing of first swivel 17 is connected with second swivel 24, and the second swivel 24 The top is fixedly connected with a fixed cylinder 23, the outer side of the fixed cylinder 23 is movably clamped with a movable cylinder 22, the middle part of the filter plate 10 is high and the outer end is low, the top of the sealing cover 13 is fixedly connected with the filter plate 10, and the sealing cover 13 is located at the 11, the outer side of the support frame 14 is fixedly connected with the inner side of the atomization tank 1, the middle part of the support frame 14 is connected with the screw rod 16 bearing, the top of the movable cylinder 22 is fixedly connected with the support frame 14, and the outer side of the fixed cylinder 23 is circularly equiangular. The protruding line is fitted with the movable cylinder 22, and the inner ring of the second swivel 24 is threadedly connected with the screw rod 16. The movable cylinder 22 is located outside the screw rod 16, and the other side of the spring 21 is fixedly connected with the support rod 18. The side of the scraper 20 away from the support rod 18 is engaged with the inner side of the atomization tank 1. The scraper 20 is made of rubber material; the atomized silver powder falls to the top of the filter plate 10, and by starting the second motor 11, The second motor 11 drives the movable plate 12 to rotate through the rotating rod 15, scrapes the top side of the filter plate 10 through the rotation of the movable plate 12, the silver powder can be filtered off quickly, and the filter plate 10 can be protected by the sealing cover 13. The second motor 11 drives the screw 16 to rotate, and the fixed cylinder 23 is limited by the movable cylinder 22, so that the second swivel 24 moves downward, and the second swivel 24 pushes the first swivel 17 to move downward, so that the first The swivel 17 can rotate and move downward, the first swivel 17 drives the movable rod 19 through the support rod 18, and the movable rod 19 drives the scraper 20 downward, and the scraper 20 is squeezed by the atomization tank 1, so that the support rod 18 The movable rod 19 is bent so that the spring 21 is bent, and the silver powder adhering to the inner side of the atomizing tank 1 can be scratched and dropped by the scraper 20 .

A silver powder atomization method for 3D printing, the operation steps are as follows:

First, the operator adds materials through the feeding pipe 2, and adds water into the inside of the limit cylinder 3 through the water inlet pipe. By starting the first motor 8, the first motor 8 drives the first gear 6 to rotate through the second gear 7, and the first The gear 6 drives the gear ring 5 to rotate, and the rotation of the gear ring 5 drives the connecting pipe 4 to move upward, and the connecting pipe 4 drives the nozzle 9 upward, and the material is dispersed and atomized by water jetting, and the atomized silver powder falls to the top of the filter plate 10 , by starting the second motor 11, the second motor 11 drives the movable plate 12 to rotate through the rotating rod 15, and scrapes the top side of the filter plate 10 through the rotation of the movable plate 12, so that the silver powder can be quickly filtered and dropped through the sealing cover 13 The filter plate 10 can be protected, the screw 16 is driven to rotate by the second motor 11, the fixed cylinder 23 is limited by the movable cylinder 22, so that the second swivel 24 moves downward, and the second swivel 24 pushes the first swivel 17 moves downward, so that the first swivel 17 can rotate and move downward, the first swivel 17 drives the movable rod 19 through the support rod 18, the movable rod 19 drives the scraper 20 downward, and the pair of scrapers 20 through the atomization tank Squeeze to make the support rod 18 and the movable rod 19 bend, so that the spring 21 is bent, and the silver powder attached to the inner side of the atomization tank 1 can be scratched and dropped by the scraper 20, and the operation is completed.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (10)

1. A silver powder atomizing device for 3D printing, comprising an atomizing tank (1), characterized in that: the middle part of the top of the atomizing tank (1) is fixedly connected with a feed pipe (2), and the atomizing The inside of the top of the tank (1) is fixedly connected with the limiting cylinder (3), and the bottom of the limiting cylinder (3) is movably connected with a connecting pipe (4), and the outer thread of the connecting pipe (4) is connected with a toothed ring (5), the outer side of the toothed ring (5) is meshed with a first gear (6), and the other side of the first gear (6) is meshed with a second gear (7), and the second gear ( The middle part of 7) is fixedly connected with the first motor (8), and the bottom of the connecting pipe (4) is fixedly connected with the spray head (9) at an equal angle. 2. A silver powder atomization device for 3D printing according to claim 1, characterized in that: a filter plate (10) is fixedly connected to the middle of the atomization tank (1), and the filter plate (10 ) middle part bearing is connected with rotating rod (15), and the top annular equiangular angle of described rotating rod (15) is fixedly connected with movable plate (12), and the bottom of described rotating rod (15) is fixedly connected with second motor (11 ), the bottom of the second motor (11) is fixedly connected with a support frame (14), and the middle part of the top of the second motor (11) is fixedly connected with a sealing cover (13), the second motor (11) The bottom is fixedly connected with a screw rod (16), the outer thread of the screw rod (16) is connected with a first swivel (17), and the outer ring of the first swivel (17) is fixedly connected with a support rod (18) at an equal angle. , the other side of the support rod (18) is engaged with a movable rod (19), and the other side of the movable rod (19) is fixedly connected with a scraper (20), and the upper and lower parts of the middle part of the movable rod (19) Both sides are fixedly connected with a spring (21), the top side bearing of the first swivel (17) is connected with a second swivel (24), and the top of the second swivel (24) is fixedly connected with a fixed cylinder (23), the outer side of the fixed cylinder (23) is movably engaged with the movable cylinder (22). 3. A silver powder atomization device for 3D printing according to claim 1, characterized in that: the top of the limiting cylinder (3) is fixedly connected with a water inlet pipe at an equal angle, and the gear ring (5) The top of the top is connected with the limit tube (3) bearing. 4. A silver powder atomization device for 3D printing according to claim 1, characterized in that: a water inlet tank is provided in the middle of the connecting pipe (4), and the bottom of the water inlet tank is fixed to the nozzle (9) connected. 5. A silver powder atomization device for 3D printing according to claim 1, characterized in that: the upper and lower sides of the middle part of the first gear (6) are fixedly connected with the atomization tank (1), and the second The outer side of a motor (8) is fixedly connected with the atomizing tank (1). 6. A silver powder atomization device for 3D printing according to claim 2, characterized in that: the middle part of the filter plate (10) is high and the outer end is low, and the top of the sealing cover (13) is in contact with the filter plate (10) is fixedly connected, and the sealing cover (13) is located outside the second motor (11). 7. A silver powder atomization device and atomization method for 3D printing according to claim 2, characterized in that: the outside of the support frame (14) is fixedly connected to the inside of the atomization tank (1), so that The middle part of the support frame (14) is connected with the screw rod (16) bearing. 8. A silver powder atomization device for 3D printing according to claim 2, characterized in that: the top of the movable cylinder (22) is fixedly connected to the support frame (14), and the top of the fixed cylinder (23) The outer ring is provided with convex lines at equal angles. 9. A silver powder atomization device for 3D printing according to claim 2, characterized in that: the inner ring of the second swivel (24) is threadedly connected with the screw (16), and the movable cylinder (22 ) is located on the outside of the screw rod (16), the other side of the spring (21) is fixedly connected with the support rod (18), and the side of the scraper (20) away from the support rod (18) is connected with the atomization tank (1 ), the inner side of the scraper (20) is made of rubber material. 10. A silver powder atomization method for 3D printing, characterized in that: its operation steps are as follows: Firstly, the operator adds the material through the feed pipe (2), feeds water into the inside of the limit cylinder (3) through the water inlet pipe, and starts the first motor (8), which then passes through the second gear (7) ) drives the first gear (6) to rotate, the first gear (6) drives the gear ring (5) to rotate, the gear ring (5) rotates to drive the connecting pipe (4) to move upward, and the connecting pipe (4) drives the nozzle (9) Upward, the material is broken up and atomized by water jet, and the atomized silver powder falls to the top of the filter plate (10), by starting the second motor (11), the second motor (11) drives the movement through the rotating rod (15) The plate (12) rotates, scrapes the top side of the filter plate (10) through the rotation of the movable plate (12), the silver powder can be quickly filtered off, and the filter plate (10) can be protected by the sealing cover (13). The second motor (11) drives the screw (16) to rotate, and the fixed cylinder (23) is limited by the movable cylinder (22), so that the second swivel (24) moves downward, and the second swivel (24) pushes The first swivel (17) moves downwards, so that the first swivel (17) can rotate and move downwards, and the first swivel (17) drives the movable rod (19) by the support rod (18), and the movable rod (19) Drive the scraper (20) downward, squeeze the scraper (20) through the atomization tank (1), make the support rod (18) and the movable rod (19) bend, make the spring (21) bend, pass The scraper (20) can scrape off the silver powder attached to the inner side of the atomization tank (1) to complete the operation.