CN115164541A

CN115164541A - Interior bulk cargo formula metal powder drying device

Info

Publication number: CN115164541A
Application number: CN202210645025.1A
Authority: CN
Inventors: 刘忠军
Original assignee: NANTONG PRATT MACHINERY CO Ltd
Current assignee: NANTONG PRATT MACHINERY CO Ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-10-11
Anticipated expiration: 2042-06-08
Also published as: CN115164541B

Abstract

The invention discloses an internal bulk cargo type metal powder drying device, which belongs to the field of metal powder drying devices, wherein a symmetrical flat cylinder is arranged in a drying cylinder, the drying cylinder is driven by a motor to rotate, so that the metal powder is guided into the drying cylinder in each 360-degree rotation process, and then flows out, is dispersed and is dried through a powder-permeable elastic net, and the metal powder can be guided into the drying cylinder to stretch the powder-permeable elastic net under pressure by the aid of the connection driving action of the powder-permeable elastic net and a net connecting net cloth, so that the pore diameter of the powder-permeable elastic net is increased, the powder is promoted to flow out and dry, the blocking probability of the powder in meshes is reduced.

Description

Interior bulk cargo formula metal powder drying device

Technical Field

The invention relates to the field of metal powder drying devices, in particular to an internal bulk material type metal powder drying device.

Background

The metal powder refers to a group of metal particles having a size of less than 1 mm. Including single metal powders, alloy powders, and powders of certain refractory compounds having metallic properties, are the primary raw materials for powder metallurgy.

At present, metal powder is mainly prepared by a mechanical method and a physical and chemical method, wherein wet ball milling processing through a ball mill is a mechanical method for preparing metal powder, the metal powder prepared by the wet method is necessarily subjected to dehydration processing, and relatively dry metal powder cannot be formed after the dehydration processing, so the metal powder is dried.

When metal powder is dried in the prior art, because more moisture exists in the metal powder, the metal powder is easy to agglomerate, and the metal powder is not easy to disperse during drying, so that the powder is not uniform in drying, and the drying rate is low.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide an internal bulk cargo type metal powder drying device, which realizes the processes of leading metal powder into a drying cylinder, flowing out, dispersing and drying through a powder-permeable elastic net by arranging a symmetrical flat cylinder in the drying cylinder in each 360-degree rotation process, and leads the leading-in of the metal powder to cause pressure stretching on the powder-permeable elastic net through the connection driving action of the powder-permeable elastic net and a net connecting net cloth, so as to increase the aperture of the powder, promote the flowing out and drying of the powder and reduce the blocking probability of the powder in the net holes.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides an interior bulk cargo formula metal powder drying device, includes that the bottom has the dryer cylinder of support, the inside of dryer cylinder is equipped with the flat section of thick bamboo of symmetry, the flat section of thick bamboo of symmetry includes a pair of curb plate and is located the rhombus between the two and looses a powder section of thick bamboo, the one end fixedly connected with motor of dryer cylinder, the flexible end of motor run through the outer end of dryer cylinder and with one of them curb plate fixed connection, the rhombus looses the powder section of thick bamboo and includes the curved plate of a pair of mutual symmetry, and is a pair of be equipped with a pair of powder elasticity net of passing through between the curved plate, the hole has been seted up to the inside of curved plate, the inside of hole is equipped with even screen cloth, and is a pair of even screen cloth and a pair of powder elasticity net are interval distribution, even the both ends of screen cloth move about respectively run through the hole a pair of inner wall and with a pair of powder elasticity net fixed connection of passing through respectively, it is equipped with a plurality of evenly distributed's even ball rope to pass through on the powder elasticity net.

Furthermore, a pair of limiting rods is fixedly connected to the connecting net cloth, the inner part of the inner hole of each limiting rod is smaller than the minimum depth of the inner hole in diameter of the outer ring, and the linear distances between the adjacent powder permeating elastic nets and the limiting rods are the same.

Furthermore, the ball connecting rope comprises a pair of semi-sealed balls and a central rope connected between the semi-sealed balls and the central rope, the central rope is connected inside meshes of the powder permeating elastic net in a sliding mode, and the pair of semi-sealed balls are located on two sides of the powder permeating elastic net respectively.

Furthermore, the net connecting cloth is made of an inelastic material, the powder permeating elastic net is made of an elastic material, and the diameter of the outer ring of the semi-sealed ball is larger than the aperture of the net hole of the powder permeating elastic net in the maximum stretching state.

Furthermore, the semi-sealed ball is composed of a solid half shell and a net half shell, and the open ends of the solid half shell and the net half shell are fixedly connected with each other to form a complete spherical shell shape.

Further, the semi-sealed ball that is located the flat section of thick bamboo outside of symmetry is the state that net half shell was kept away from the powder elasticity net, real half shell was close to the powder elasticity net, and the semi-sealed ball that is located the flat section of thick bamboo inboard of symmetry is the state that net half shell was close to the powder elasticity net, real half shell was kept away from the powder elasticity net, center rope one end fixed connection is on a real half shell, and the other end is on a net half shell.

Furthermore, one end of the drying cylinder, which is far away from the motor, is fixedly connected with an air inlet pipe and a material conveying pipe, the air inlet pipe and the material conveying pipe are communicated with the inside of the drying cylinder, and the material conveying pipe is positioned on the lower side of the air inlet pipe.

Furthermore, a net pipe is fixedly connected to the side plate far away from the motor and communicated with the air inlet pipe, a limiting cylinder is rotatably connected to the outer end of the net pipe, and one end of the limiting cylinder is fixedly connected to the inner wall of the drying cylinder.

Furthermore, a through hole is formed in the inner wall, close to the motor, of the drying cylinder, powder blocking cloth is fixedly connected to the inner wall of the through hole, the powder blocking cloth is made of water-absorbent fiber fabric with the yarn count density of 250T-290T, an air outlet pipe is fixedly connected to the outer end of the drying cylinder, and the powder blocking cloth is located on the inner side of the air outlet pipe.

Furthermore, the central line of the curved arc plate and the central line of the drying cylinder are positioned on the same straight line, and the minimum distance from the curved arc plate to the inner wall of the drying cylinder is 0.5cm-1cm.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) The symmetrical flat cylinder is arranged in the drying cylinder, the drying cylinder is driven by the rotation of the motor, metal powder is guided into the drying cylinder in each 360-degree rotation process, and then the metal powder flows out, disperses and dries through the powder-permeable elastic net.

(2) Can cause the extrusion to the powder elastic network when metal powder gets into the flat section of thick bamboo of symmetry, partial metal powder can get into half ball sealer through half shell of net, the half ball sealer after making the weight gain drives the powder elastic network and sinks, make this powder elastic network inwards sunken, take place great elastic stretching, drive even net cloth one end and shift out the hole, at this moment, the other end of even net cloth can drive another powder elastic network and take place elastic stretching, make its aperture increase, thereby promote metal powder's outflow dispersion rate, reduce the probability that the powder takes place to block up in the mesh.

(3) When metal powder enters the symmetrical flat cylinder through the powder permeable elastic net, the net half shells on two sides of the powder permeable elastic net are all upward, so that the metal powder can conveniently enter the semi-sealed ball to play a role in weight increment, the ball connecting rope plays a role in pulling the powder permeable elastic net downwards, and the tensile deformation degree of the powder permeable elastic net is further increased; and at metal powder through the in-process that the elastic net that passes through powder flows down, dispersion, the half shell of net is the state down, can make things convenient for the metal powder in the semi-sealed ball to flow out through half shell of net, reduces the inside powder of company's ball rope and remains the condition, makes things convenient for the powder to carry out the drying.

(4) The stop lever restricts the displacement of even screen cloth, makes even screen cloth be difficult for excessively shifting out the hole, also makes the difficult excessive hole that gets into of passing through powder elastic mesh simultaneously, keeps passing through powder elastic mesh and lies in the curved plate outside, networking cloth and lie in the inboard state of curved plate to a pair of degree, makes things convenient for metal powder to pass through on passing through powder elastic mesh hole.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of a symmetrical banjo of the present invention;

FIG. 3 is an exploded view of a symmetrical flat cartridge of the present invention;

FIG. 4 is an exploded view of a diamond-shaped powder dispensing cartridge of the present invention;

FIG. 5 is a first schematic diagram of the front side structure of the present invention;

FIG. 6 is a second schematic front view of the present invention;

FIG. 7 is a third schematic diagram of the front side structure of the present invention;

FIG. 8 is a schematic front view of the ball connecting rope of the present invention;

FIG. 9 is a cross-sectional view of the ball connecting cord of the present invention;

fig. 10 is a schematic side view of the present invention.

The reference numbers in the figures illustrate:

1 drying cylinder, 2 rhombus powder scattering cylinders, 21 curved plates, 2101 inner holes, 22 powder-permeable elastic nets, 23 connected net cloth, 24 limiting rods, 25 connected ball ropes, 2501 central ropes, 2502 semi-sealed balls, 3 motors, 4 side plates, 5 air inlet pipes, 6 conveying pipes, 7 net pipes, 8 limiting cylinders, 9 powder blocking cloth and 10 air outlet pipes.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person of ordinary skill in the art without making any creative effort; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-2, an internal bulk material type metal powder drying device comprises a drying cylinder 1 with a support at the bottom, a symmetrical flat cylinder is arranged inside the drying cylinder 1, the symmetrical flat cylinder comprises a pair of side plates 4 and a diamond-shaped powder scattering cylinder 2 arranged between the side plates, one end of the drying cylinder 1 is fixedly connected with a motor 3, the telescopic end of the motor 3 penetrates through the outer end of the drying cylinder 1 and is fixedly connected with one side plate 4, and the motor 3 drives the whole symmetrical flat cylinder to rotate inside the drying cylinder 1, so that the symmetrical flat cylinder performs a drying process on metal powder.

Referring to fig. 3-5, the rhombic powder dispersing cylinder 2 includes a pair of symmetrical curved plates 21, that is, one curved plate 21 can be obtained by rotating the other curved plate 21 by 180 ° about the central line of the drying cylinder 1, the cross section of the curved plate 21 is elliptical, a pair of powder-permeable elastic nets 22 is disposed between the pair of curved plates 21, an inner hole 2101 is disposed inside the curved plate 21, a connecting net cloth 23 is disposed inside the inner hole 2101, the pair of connecting net cloth 23 and the pair of powder-permeable elastic nets 22 are spaced apart, and two ends of the connecting net cloth 23 respectively penetrate through a pair of inner walls of the inner hole 2101 and are respectively fixedly connected with the pair of powder-permeable elastic nets 22.

Referring to fig. 7, a networking cloth 23 is made of an inelastic material, a powder-permeable elastic net 22 is made of an elastic material, the powder-permeable elastic net 22 allows metal powder to pass through, and when the metal powder enters the symmetrical flat cylinder through one of the powder-permeable elastic nets 22, a certain pressure is applied to the powder-permeable elastic net 22 to promote the elastic stretching of the powder-permeable elastic net 22 and the downward sinking of the powder-permeable elastic net 22, at this time, the powder-permeable elastic net 22 drives the connecting net 23 to move out of the inner hole 2101, the other powder-permeable elastic net 22 is driven to elastically stretch through the connecting net 23, the hole diameter is increased, the metal powder entering the symmetrical flat cylinder conveniently flows out through the holes to be distributed and networked and dried, referring to fig. 4-5, a pair of limiting rods 24 is fixedly connected to the connecting net 23, the limiting rods 24 are located inside the inner hole 2101, the outer ring diameter of the limiting rods is smaller than the minimum depth of the inner hole 2101, the straight-line distances between the adjacent powder-permeable elastic nets 22 and the limiting rods 24 are the same, the limiting rods 24 limit the moving distance of the limiting rods 23 is limited, so that the connecting net 23 is not easy to move out of the connecting net 2101, and the metal powder-permeable elastic net 22 is located on the inner side of the curved metal plate 21, and the curved metal plate 21.

Referring to fig. 7 and 8, a plurality of ball connecting ropes 25 are uniformly distributed on the transparent elastic net 22, each ball connecting rope 25 includes a pair of semi-sealed balls 2502 and a central rope 2501 connected therebetween, the central rope 2501 is slidably connected inside the meshes of the transparent elastic net 22, the pair of semi-sealed balls 2502 are respectively located on two sides of the transparent elastic net 22, and the outer ring diameter of each semi-sealed ball 2502 is greater than the mesh aperture of the transparent elastic net 22 in the maximum stretching state, so that the semi-sealed balls 2502 are not easily separated from the meshes when the transparent elastic net 22 is stretched under pressure, the ball connecting ropes 25 can be stably connected to the transparent elastic net 22, and the effect of assisting in dispersing metal powder is achieved.

Referring to fig. 9, the semi-sealed ball 2502 is composed of a solid half shell and a mesh half shell, the open ends of the solid half shell and the mesh half shell are fixedly connected with each other to form a complete spherical shell shape, with reference to fig. 7 to 9, the semi-sealed ball 2502 located outside the symmetric oblate tube is in a state where the mesh half shell is far away from the transparent elastic mesh 22 and the solid half shell is close to the transparent elastic mesh 22, the semi-sealed ball 2502 located inside the symmetric oblate tube is in a state where the mesh half shell is close to the transparent elastic mesh 22 and the solid half shell is far away from the transparent elastic mesh 22, one end of the central rope 2501 is fixedly connected to one of the solid half shells, the other end is tied to one of the mesh half shells, the metal powder can enter the semi-sealed ball 2502 through the meshes of the mesh half shells, please refer to fig. 7, when the metal powder enters the symmetric oblate tube through the transparent elastic mesh 22, the mesh half shells on both sides of the transparent elastic mesh 22 are upward, so that the metal powder can enter the semi-sealed ball 2502 to increase the weight of the connecting rope 25 to pull the transparent elastic mesh 22 downward, and further stretch the deformation of the transparent elastic mesh 22; and in the process that the metal powder flows downwards and is dispersed through the powder-permeable elastic net 22, the net half shell is in a downward state, so that the metal powder in the semi-sealed ball 2502 can conveniently flow out through the net half shell, the residual condition of the powder in the ball connecting rope 25 is reduced, and the powder is convenient to dry.

Referring to fig. 6 and 7, in the process of rotating the symmetric flat cylinder, when the end of the curved plate 21 rotates to the lower bottom surface of the drying cylinder 1, the curved plate 21 pushes the metal powder upwards, the metal powder enters the symmetric flat cylinder through the powder-permeable elastic net 22 and is accumulated at the upper end of the curved plate 21, and in the continuous rotation, the metal powder falls and disperses through the other powder-permeable elastic net 22, and is fully contacted with hot air in the dispersing process to perform efficient drying, and meanwhile, the metal powder in the semi-sealed ball 2502 also flows downwards and is dried; and in above-mentioned in-process, can make the extrusion to passing through powder elastic mesh 22 when metal powder gets into the flat section of thick bamboo of symmetry, partial metal powder can get into half ball 2502 through the half net shell, make half ball 2502 after increasing weight drive to pass through powder elastic mesh 22 and sink, make this pass through powder elastic mesh 22 inwards cave in, take place great elastic stretching, drive even screen cloth 23 one end and shift out hole 2101, at this moment, the other end of networking cloth 23 can drive another pass through powder elastic mesh 22 and take place elastic stretching, make its aperture increase, thereby promote metal powder's outflow dispersion rate, reduce the probability that powder takes place to block up in the mesh.

According to the content, the symmetric flat cylinder brocade clothing can realize the dispersion process of the metal powder once by rotating for 360 degrees every time under the slow driving of the motor 3, and the high-efficiency drying is carried out in the dispersion.

The central line of the curved arc plate 21 and the central line of the drying cylinder 1 are positioned on the same straight line, the minimum distance from the curved arc plate 21 to the inner wall of the drying cylinder 1 is 0.5cm-1cm, namely, the curved arc plate 21 rotates around the central line of the drying cylinder 1, and does not rub the inner wall of the drying cylinder 1 in the rotating process, and most of metal powder can be pushed to enter the symmetrical flat cylinder for dispersion drying.

Referring to fig. 10, an air inlet pipe 5 and a material delivery pipe 6 are fixedly connected to one end of the drying cylinder 1 far from the motor 3, the air inlet pipe 5 and the material delivery pipe 6 are both communicated with the inside of the drying cylinder 1, the material delivery pipe 6 is located at the lower side of the air inlet pipe 5, the material delivery pipe 6 is used for adding and outputting metal powder, the air inlet pipe 5 is used for introducing hot air, a net pipe 7 is fixedly connected to a side plate 4 far from the motor 3, the net pipe 7 is communicated with the air inlet pipe 5, the outer end of the net pipe 7 is rotatably connected with a limiting cylinder 8, one end of the limiting cylinder 8 is fixedly connected to the inner wall of the drying cylinder 1, the stability of the symmetrical flat cylinder during rotation can be increased through the cooperation of the net pipe 7 and the limiting cylinder 8, and after hot air of the air inlet pipe 5 enters the net pipe 7, the hot air can be dispersed to flow around through meshes of the net pipe 7, and the metal powder in the drying cylinder 1 is dried.

Referring to fig. 10, a through hole is formed in the inner wall of the drying cylinder 1 close to the motor 3, a powder blocking cloth 9 is fixedly connected to the inner wall of the through hole, the powder blocking cloth 9 is made of a water-absorbent fiber fabric with a yarn count density of 250T-290T, an air outlet pipe 10 is fixedly connected to the outer end of the drying cylinder 1, and the powder blocking cloth 9 is located on the inner side of the air outlet pipe 10.

The symmetrical flat cylinder is arranged in the drying cylinder 1, the drying cylinder is driven by the rotation of the motor 3, so that the metal powder is guided into the drying cylinder in each 360-degree rotation process, and then flows out, disperses and dries through the powder-permeable elastic net 22, and the metal powder can be guided into the drying cylinder to be stretched under pressure through the connection driving action of the powder-permeable elastic net 22 and the net connecting cloth 23, so that the aperture of the metal powder is increased, the powder flows out and is dried, the blocking probability of the powder in the meshes is reduced.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; those skilled in the art can appreciate that the present invention is not limited to the specific embodiments disclosed herein; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides an interior bulk cargo formula metal powder drying device, includes that the bottom has a drying cylinder (1) of support, its characterized in that: the inside of a drying section of thick bamboo (1) is equipped with the flat section of thick bamboo of symmetry, the flat section of thick bamboo of symmetry includes a pair of curb plate (4) and is located the rhombus between the two and looses a powder section of thick bamboo (2), the one end fixedly connected with motor (3) of a drying section of thick bamboo (1), the flexible end of motor (3) runs through the outer end of a drying section of thick bamboo (1) and rather than one of them curb plate (4) fixed connection, the rhombus looses a powder section of thick bamboo (2) and includes a pair of mutual symmetry's cambered plate (21), and is a pair of powder elastic net (22) of passing through between cambered plate (21), hole (2101) have been seted up to the inside of cambered plate (21), the inside of hole (2101) is equipped with screen cloth (23), and is a pair of even screen cloth (23) and a pair of powder elastic net (22) are interval distribution, the both ends of even activity respectively run through a pair of hole (2101) and respectively with a pair of powder elastic net (22) fixed connection, be equipped with a plurality of evenly distributed's ball (25) on powder elastic net (22).

2. The in-bulk metal powder drying apparatus according to claim 1, wherein: the powder permeating elastic net is characterized in that a pair of limiting rods (24) are fixedly connected to the net connecting cloth (23), the limiting rods (24) are located in the inner holes (2101), the diameters of the outer rings of the limiting rods (24) are smaller than the minimum depth of the inner holes (2101), and the straight line distances between the adjacent powder permeating elastic nets (22) and the limiting rods (24) are the same.

3. The in-bulk metal powder drying apparatus according to claim 1, wherein: the ball connecting rope (25) comprises a pair of semi-sealed balls (2502) and a center rope (2501) connected between the semi-sealed balls and the center rope, the center rope (2501) is connected to the inside of meshes of the powder permeable elastic net (22) in a sliding mode, and the semi-sealed balls (2502) are located on two sides of the powder permeable elastic net (22) respectively.

4. The in-bulk metal powder drying apparatus according to claim 3, wherein: the connecting net cloth (23) is made of an inelastic material, the powder permeating elastic net (22) is made of an elastic material, and the diameter of the outer ring of the semi-sealing ball (2502) is larger than the aperture of the net holes of the powder permeating elastic net (22) in the maximum stretching state.

5. The bulk metal powder drying apparatus of claim 3, wherein: the semi-sealed ball (2502) is composed of a solid half shell and a mesh half shell, and the open ends of the solid half shell and the mesh half shell are fixedly connected with each other and form a complete spherical shell shape.

6. The bulk metal powder drying apparatus of claim 5, wherein: semi-sealed ball (2502) that are located the flat section of thick bamboo outside of symmetry are the state that the net half shell is kept away from powder-permeable elastic net (22), real half shell is close to powder-permeable elastic net (22), and semi-sealed ball (2502) that are located the flat section of thick bamboo inboard of symmetry are the state that the net half shell is close to powder-permeable elastic net (22), real half shell is kept away from powder-permeable elastic net (22), central rope (2501) one end fixed connection is on real half shell, and the other end is on a net half shell.

7. The bulk metal powder drying apparatus of claim 1, wherein: one end fixedly connected with air-supply line (5) and conveying pipeline (6) of motor (3) are kept away from in drying cylinder (1), air-supply line (5) and conveying pipeline (6) all communicate with each other with drying cylinder (1) is inside, and conveying pipeline (6) are located the downside of air-supply line (5).

8. The in-bulk metal powder drying apparatus according to claim 7, wherein: the side plate (4) far away from the motor (3) is fixedly connected with a net pipe (7), the net pipe (7) is communicated with the air inlet pipe (5), the outer end of the net pipe (7) is rotatably connected with a limiting cylinder (8), and one end of the limiting cylinder (8) is fixedly connected to the inner wall of the drying cylinder (1).

9. The in-bulk metal powder drying apparatus according to claim 1, wherein: the drying machine is characterized in that a through hole is formed in the inner wall, close to the motor (3), of the drying cylinder (1), powder blocking cloth (9) is fixedly connected to the inner wall of the through hole, the powder blocking cloth (9) is made of water-absorbent fiber fabric with yarn count density of 250T-290T, an air outlet pipe (10) is fixedly connected to the outer end of the drying cylinder (1), and the powder blocking cloth (9) is located on the inner side of the air outlet pipe (10).

10. The bulk metal powder drying apparatus of claim 1, wherein: the central line of the curved arc plate (21) and the central line of the drying cylinder (1) are positioned on the same straight line, and the minimum distance from the curved arc plate (21) to the inner wall of the drying cylinder (1) is 0.5cm-1cm.