CN212668159U - Powder feeding device suitable for large conveying capacity - Google Patents
Powder feeding device suitable for large conveying capacity Download PDFInfo
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- CN212668159U CN212668159U CN202020789804.5U CN202020789804U CN212668159U CN 212668159 U CN212668159 U CN 212668159U CN 202020789804 U CN202020789804 U CN 202020789804U CN 212668159 U CN212668159 U CN 212668159U
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Abstract
The utility model relates to a particle powder conveying device, which aims to solve the technical problems that in the existing powder feeder, when the particle powder exceeds a certain amount to cause the transmission blockage at a powder outlet, a stirring rod is added in a powder feeding cylinder, the stirring rod is seriously worn due to the long-time work of the metal powder conveying, and the metal powder is easily polluted due to the abrasion of the stirring rod, and provides a powder feeding device suitable for large conveying amount, which comprises a powder cylinder and a communicating pipe; the communicating pipe is sleeved in the powder cylinder, the lower end of the communicating pipe is communicated with the outside of the powder cylinder, and the lower end surface of the communicating pipe is provided with an opening; the upper part of the communicating pipe is communicated with the powder cylinder, and the part of the lower part of the communicating pipe, which is positioned in the powder cylinder, is communicated with the powder cylinder; the lower end of the communicating pipe is provided with a guide head, and the guide head is provided with a powder outlet; the powder outlet is arranged opposite to the opening of the lower end face of the communicating pipe; the powder barrel is provided with a powder inlet, and the powder inlet is provided with a detachable sealing cover.
Description
Technical Field
The utility model relates to a granule powder conveyor specifically provides a send powder device suitable for big transport capacity.
Background
The powder feeder is used for continuously, uniformly and stably conveying the particle powder to a processing area, and is widely applied to the fields of powder spheroidization, material spraying and laser cladding. The existing powder feeder can be divided into gravity type powder feeding and pneumatic type powder feeding according to the powder conveying mode, the powder feeder corresponding to the two modes has the advantages that when powder in a powder feeding cylinder in the powder feeder exceeds a certain amount, the pressure at a powder outlet can be increased along with the powder feeding cylinder, transmission blockage is caused, the continuity of powder feeding is poor, the powder flow is not smooth, the powder feeding is not uniform, and finally the processing is influenced.
At present, the problem of unsmooth powder flow caused by more granular powder in the powder feeding cylinder is solved, a mechanical stirring method is generally adopted, stirring rods with different shapes are driven by a motor to continuously stir in the powder feeding cylinder, the pressure at a powder outlet is reduced through stirring, the flowability of powder is further improved, and the powder in the powder feeding cylinder can be conveyed smoothly at a constant speed.
However, the above-mentioned mechanical stirring method still has the following two problems when applied to the transportation of metal powder: (1) when some high-strength and high-wear-resistance metal powder is conveyed, the stirring rod is stirred in the powder conveying cylinder and continuously rubs with the metal powder, and the stirring rod is seriously abraded after long-time work; (2) the puddler generally chooses the metal material for use, takes place wearing and tearing back, can cause the pollution to sending the metal powder in the powder section of thick bamboo, still can influence the processing property under the severe condition.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve current powder feeder, when particle powder exceeded a certain amount and caused a powder mouth department transmission to block, increase the puddler in sending a powder section of thick bamboo, there is long-time work can lead to the puddler to seriously wear to and the technical problem who pollutes metal powder because of the wearing and tearing of puddler easily, provide a powder feeding device suitable for large transport capacity.
In order to achieve the above object, the utility model provides a following technical scheme:
a powder feeding device suitable for large conveying capacity is characterized by comprising a powder cylinder and a communicating pipe;
the communicating pipe is sleeved in the powder cylinder, the lower end of the communicating pipe is communicated with the outside of the powder cylinder, and a powder containing cavity is formed between the powder cylinder and the communicating pipe; the lower end surface of the communicating pipe is provided with an opening;
the upper part of the communicating pipe is communicated with the powder cylinder, and the part of the lower part of the communicating pipe, which is positioned in the powder cylinder, is communicated with the powder cylinder;
a guide head is arranged at the lower end of the communicating pipe, and a powder outlet is formed in the guide head;
the powder outlet is arranged opposite to the opening on the lower end face of the communicating pipe;
the powder barrel is provided with a powder inlet, and the powder inlet is provided with a detachable sealing cover.
Further, the upper part of the powder cylinder is also provided with an air inlet; the powder cylinder and the communicating pipe are coaxially arranged.
Furthermore, a plurality of through holes are formed in the side wall of the lower end of the communicating pipe, which is positioned in the powder cylinder, and the lower part of the communicating pipe is communicated with the powder cylinder through the through holes.
Further, the through holes are uniformly arranged along the side wall of the communication pipe.
Further, the guide head is in a conical cylinder shape;
the big end of the guide head is detachably connected with the lower part of the powder cylinder;
the powder outlet is formed in the small end face of the guide head;
the powder cylinder is communicated with the inside of the guide head; the communicating pipe is connected with the guide head.
Furthermore, a plurality of through holes are formed in the side wall of the lower end of the communicating pipe, which is positioned in the guide head, and the lower part of the communicating pipe is communicated with the powder cylinder through the through holes.
Further, the through holes are uniformly arranged along the side wall of the communication pipe.
Furthermore, a powder discharge port is formed in the side wall of the guide head;
the powder discharge port is positioned above the connection part of the communicating pipe and the guide head;
and a plug is arranged at the powder outlet.
Furthermore, the through hole closest to the powder outlet on the communicating pipe is positioned on the communicating pipe close to the connecting position of the communicating pipe and the guide head.
Further, the powder inlet is arranged at the top end of the powder cylinder; the sealing cover is detachably connected to the top of the powder cylinder.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model is suitable for a powder feeding device of big transport capacity, under the more condition of powder in a powder section of thick bamboo, still can be even, continuous transport powder, powder in a powder section of thick bamboo passes through intercommunication department in communicating pipe lower part and the powder section of thick bamboo, can flow into to the intercommunication intraductally, go out the powder mouth and communicate with each other with the terminal surface opening part under communicating pipe, the powder pressure that goes out powder mouth department promptly mainly comes from the powder gravity in the intercommunication pipe, the powder height in the powder section of thick bamboo that will be less than far away is actually highly gone into to the intercommunication, alleviate the powder pressure that has reduced out powder mouth department in other words, avoid appearing the powder mouth department powder because of receiving the too big not smooth problem of the flow that.
Compared with the existing scheme of mechanically stirring by using a stirring rod, the powder conveying device has no abrasion and pollution, and ensures the purity and cleanliness of the powder.
The guide head is arranged to send the sent powder along a preset path.
The utility model discloses a send partial shipment device simple structure and reasonable in design, workable, simple manufacture, consequently the cost of manufacture is lower. Compared with the traditional stirring type powder feeder, the powder conveying stability is higher, and the powder can be conveyed uninterruptedly and uniformly.
2. The utility model discloses an air inlet has still been seted up on a powder section of thick bamboo upper portion, and in powder transportation process, can be to the inside powder feeding gas that lets in of a powder section of thick bamboo, can realize evenly sending the powder under the gaseous effect of forward powder feeding, powder in the powder section of thick bamboo constantly flows into in the intercommunication pipe, and the powder in the intercommunication pipe is at the uniform velocity flow in and is sent the powder mouth, realizes sending the powder in succession.
3. The utility model discloses in communicating pipe and the powder section of thick bamboo through a plurality of perforating holes intercommunication, more be favorable to the powder to get into in the communicating pipe from the powder section of thick bamboo.
4. The utility model discloses well perforating hole evenly sets up along the lateral wall of communicating pipe, more is favorable to the even transport of powder.
5. The utility model discloses in show an optimal mounting structure, the connection can be dismantled in a powder section of thick bamboo lower part to the direction head, convenient to detach installation. In addition, the powder cylinder is communicated with the inside of the guide head, the volume of the powder cylinder is correspondingly increased, and the volume of the whole conveying device can be smaller under the same volume requirement, so that the device is beneficial to miniaturization.
6. The utility model discloses seted up on the lateral wall of well direction head and arranged the powder mouth, carry the convenient extraction of remaining powder accessible row powder mouth in the powder section of thick bamboo after accomplishing, the simple operation.
7. The utility model discloses well perforating hole of bottommost is located the junction of communicating pipe and direction head, ensures that the powder in the powder section of thick bamboo can flow into to the communicating pipe completely.
8. The utility model discloses when needing to add the powder in the powder section of thick bamboo, directly take off the closing cap can, it is very convenient to add the powder.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a third embodiment of the present invention.
Wherein, 1-powder tube, 2-sealing cover, 3-communicating tube, 4-guide head, 5-air inlet, 6-powder outlet, 7-powder outlet, 8-through hole, 9-vent.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are not limitations of the present invention.
Example one
Referring to fig. 1, a powder feeder suitable for large conveying capacity includes a powder cartridge 1 and a communicating tube 3.
The powder cylinder 1 is of a hollow columnar structure, an upper port and a lower port of the powder cylinder 1 are both arranged in an opening mode, threads are arranged at the upper port and the lower port of the powder cylinder and used for sealing connection of the sealing cover 2 and the guide head 4, and the threads can be arranged on the inner wall of the powder cylinder and also can be arranged on the outer wall of the powder cylinder. In addition, the threaded connection is only a convenient preferred structural form, and other detachable connections such as buckling or clamping connection and the like can also be adopted. The shape of the powder cylinder 1 is not limited, and for the convenience of observation, the powder cylinder 1 can be made of organic transparent materials, so that the powder discharge condition in the powder cylinder 1 can be observed at any time. Similarly, communication tube 3 is preferably made of an organic transparent material so that the powder discharge condition inside communication tube 3 can be observed.
The guide head 4 is in a cone cylinder shape, the powder outlet 6 is formed in the end face of the small end, the powder outlet 6 can be an independent hole, can also be two adjacent circular holes, can also be holes with other cross-sectional shapes, and can be adjusted according to the powder condition and the actual powder outlet requirement. The guide head 4 is fixedly connected with the lower end of the powder cylinder 1 through threads.
The communicating pipe 3 is of a hollow tubular structure, the communicating pipe 3 is vertically arranged in the powder cylinder 1, preferably coaxially arranged, the lower end of the communicating pipe 3 extends out of the powder cylinder 1 and is positioned in the guide head 4, the lower end of the communicating pipe 3 is provided with threads, and the lower end of the communicating pipe 3 is fixedly connected with the guide head 4 through the threads, and only needs to be fixedly connected here.
The powder outlet 6 is communicated with the inside of the communicating pipe 3, and the powder outlet 6 is completely positioned in the communicating pipe.
A plurality of through holes 8 are formed in the lower end pipe wall of the communication pipe 3, and the through holes 8 are arranged in a staggered manner up and down around the circumference of the communication pipe 3. Through-hole 8 may be provided within a range of 10cm from the lower end of communication pipe 3. The through hole 8 with the lowest lower end of the tube wall is positioned at the joint of the powder cartridge 1 and the communicating tube 3, so that the powder in the powder cartridge 1 can completely flow into the communicating tube 3.
The upper end of the communicating pipe 3 is provided with an air vent 9 to ensure that the air pressure in the communicating pipe 3 is consistent with the air pressure in the powder cylinder 1. Or the upper end of the communicating pipe is not sealed, the communicating pipe is arranged as an opening, the upper end opening is slightly lower than the sealing cover 2, and the communicating pipe 3 and the powder cylinder 1 can be communicated with each other and the internal air pressure is consistent.
The air inlet 5 is positioned at the upper part of the powder cylinder 1 and penetrates through the cylinder wall of the powder cylinder 1. The positive pressure gas is input into the gas inlet 5, which is helpful for continuous and stable output of the powder and can prevent the powder backflow phenomenon caused by the influence of external factors.
The powder discharge port 7 is arranged on the guide head 4, is positioned above the connection part of the guide head 4 and the communicating pipe 3, penetrates through the side wall of the guide head 4, is generally sealed by a plug, and can be removed when redundant powder in the powder cylinder 1 needs to be emptied.
When the powder guide device is used, the powder cylinder 1 and the guide head 4 are tightly connected through threads, the communicating pipe 3 is arranged in the powder cylinder 1, and the guide head 4 at the lower end of the communicating pipe 3 is tightly and fixedly connected through threads. The air inlet 5 is connected with an external air inlet pipe, and air is continuously input into the powder cylinder 1. The powder discharge port 7 is sealed by a plug, the sealing cover 2 is opened, then powder is added into the powder cylinder 1, and the sealing cover 2 is screwed down to ensure that the inside of the whole powder cylinder 1 is well sealed. Inside powder of powder section of thick bamboo 1 flows into communicating pipe 1 inside through perforating hole 8 under the pressurized condition, receive the influence of powder frictional force and gravity, powder height in communicating pipe 3 is less than the powder height in the outside powder section of thick bamboo 1 far away under the balanced state, the pressure that 6 powder of powder mouth department of outlet receives this moment only comes from the powder in communicating pipe 3, the powder pressure that compares in the outside powder section of thick bamboo 1 reduces greatly, avoided because of the powder mobility that 6 pressure of powder mouth department of outlet leads to is too big poor, the problem that the output does not last. The powder at the powder outlet 6 is continuously and uniformly output under the action of gravity and positive pressure gas.
Example two
Referring to fig. 2, the difference from the first embodiment is that the lower end of communication pipe 3 extends out of powder cartridge 1, a closed powder containing cavity is formed between powder cartridge 1 and communication pipe 3, and through hole 8 is formed in the sidewall of communication pipe 3 at the lowest end in powder cartridge 1. Guide head 4 is connected and is located powder section of thick bamboo 1 outside lower extreme department communicating pipe 3, and guide head 4 is a cone tube form, and the main aspects links to each other with communicating pipe 3, and powder mouth 6 is located the tip terminal surface, and the end opening of communicating pipe 3 sets up, sets up with the end opening of communicating pipe 3 relatively, and the powder that falls from communicating pipe 3 gets into guide head 4 in, is sent out by powder mouth 6.
EXAMPLE III
As shown in fig. 3, a difference from the first embodiment is that communication pipe 3 is located in powder cartridge 1, a lower bottom surface of communication pipe 3 is opened, and powder cartridge 1 at a corresponding position is also opened, so that lower end surface of communication pipe 3 is directly communicated with the outside, a closed powder containing cavity is formed between powder cartridge 1 and communication pipe 3, and through hole 8 is formed in a sidewall of a lowermost end of communication pipe 3. The guide head 4 is connected to the bottom of the powder cartridge 1 and covers the opening of the lower end face of the communicating tube 3.
In the present invention, the communicating tube 3 communicates with the inside of the powder cartridge 1 through the through hole 8, or communicates with other communicating forms except the hole. The upper part of the communicating pipe 3 is communicated with the powder cylinder 1 to keep the pressure consistent, and the lower part is communicated with the powder cylinder 1 to ensure that the powder in the powder cylinder 1 can enter the communicating pipe 3.
The above is only the embodiment of the present invention, and is not the limitation of the protection scope of the present invention, all the equivalent structure changes made in the contents of the specification and the drawings, or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a powder feeding device suitable for big transport capacity which characterized in that: comprises a powder cylinder (1) and a communicating pipe (3);
the communicating pipe (3) is sleeved in the powder cylinder (1), the lower end of the communicating pipe (3) is communicated with the outside of the powder cylinder (1), and a powder containing cavity is formed between the powder cylinder (1) and the communicating pipe (3); the lower end surface of the communicating pipe (3) is provided with an opening;
the upper part of the communicating pipe (3) is communicated with the powder cylinder (1), and the part of the lower part of the communicating pipe, which is positioned in the powder cylinder (1), is communicated with the powder cylinder (1);
a guide head (4) is arranged at the lower end of the communicating pipe (3), and a powder outlet (6) is formed in the guide head (4);
the powder outlet (6) is arranged opposite to the opening on the lower end face of the communicating pipe (3);
the powder barrel (1) is provided with a powder inlet, and the powder inlet is provided with a detachable sealing cover (2).
2. A powder feeding apparatus adapted for large conveying capacity as set forth in claim 1, wherein: the upper part of the powder cylinder (1) is also provided with an air inlet (5); the powder cylinder (1) and the communicating pipe (3) are coaxially arranged.
3. A powder feeding apparatus suitable for a large conveying amount according to claim 1 or 2, wherein: the lower end side wall of the communicating pipe (3) positioned in the powder cylinder (1) is provided with a plurality of through holes (8), and the lower part of the communicating pipe (3) is communicated with the powder cylinder (1) through the through holes (8).
4. A powder feeding apparatus adapted for large conveying amounts as set forth in claim 3, wherein: the through holes (8) are uniformly arranged along the side wall of the communicating pipe (3).
5. A powder feeding apparatus suitable for a large conveying amount according to claim 1 or 2, wherein: the guide head (4) is in a conical cylinder shape;
the big end of the guide head (4) is detachably connected with the lower part of the powder cylinder (1);
the powder outlet (6) is formed in the small end face of the guide head (4);
the powder cylinder (1) is communicated with the inside of the guide head (4); the communicating pipe (3) is connected with the guide head (4).
6. A powder feeding apparatus adapted for large conveying capacity as set forth in claim 5, wherein: the lower end side wall of the communicating pipe (3) positioned in the guide head (4) is provided with a plurality of through holes (8), and the lower part of the communicating pipe (3) is communicated with the powder cylinder (1) through the through holes (8).
7. A powder feeding apparatus adapted for large conveying capacity as set forth in claim 6, wherein: the through holes (8) are uniformly arranged along the side wall of the communicating pipe (3).
8. A powder feeding apparatus adapted for large conveying capacity as set forth in claim 6, wherein: a powder discharge port (7) is formed in the side wall of the guide head (4);
the powder discharge port (7) is positioned above the connection part of the communicating pipe (3) and the guide head (4);
and a plug is arranged at the powder discharge port (7).
9. A powder feeding apparatus adapted for large conveying amounts as set forth in claim 8, wherein: the through hole (8) closest to the powder outlet (6) in the communicating pipe (3) is positioned on the communicating pipe (3) close to the joint of the communicating pipe (3) and the guide head (4).
10. A powder feeding apparatus adapted for large conveying amounts as set forth in claim 9, wherein: the powder inlet is arranged at the top end of the powder cylinder (1); the sealing cover (2) is detachably connected to the top of the powder cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020789804.5U CN212668159U (en) | 2020-05-13 | 2020-05-13 | Powder feeding device suitable for large conveying capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020789804.5U CN212668159U (en) | 2020-05-13 | 2020-05-13 | Powder feeding device suitable for large conveying capacity |
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| Publication Number | Publication Date |
|---|---|
| CN212668159U true CN212668159U (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020789804.5U Active CN212668159U (en) | 2020-05-13 | 2020-05-13 | Powder feeding device suitable for large conveying capacity |
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| Country | Link |
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| CN (1) | CN212668159U (en) |
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- 2020-05-13 CN CN202020789804.5U patent/CN212668159U/en active Active
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