CN113996784A

CN113996784A - Powder storage equipment for powder metallurgy

Info

Publication number: CN113996784A
Application number: CN202011350920.8A
Authority: CN
Inventors: 吴明进; 黄亚飞; 贺兰湘; 王涛众; 牟彦澄
Original assignee: Zhuzhou Tianqiao Shunchen Coal Preparation Machinery Co ltd
Current assignee: Anhui Jiuhua Fukang Metallurgical Materials Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2022-02-01
Anticipated expiration: 2040-11-27
Also published as: CN113996784B

Abstract

The invention discloses powder storage equipment for powder metallurgy, which comprises a shell, wherein a feeding device is arranged above the middle part of the shell, a storage bin is arranged in the shell, a circulating drying device matched with the storage bin for use is arranged in the middle part of the shell, a stirring device matched with the circulating drying device for use is also arranged in the storage bin, a blanking device is respectively arranged at the left side and the right side of the bottom of the storage bin, a supporting component is respectively arranged at the left side and the right side of the bottom of the shell, a control device is also electrically arranged outside the shell, the feeding device in the device can carry out double screening before powder storage, meanwhile, the circulating drying device can carry out circulating flow drying on the interior of the storage bin, so that the drying effect of the interior material is prevented from being uneven in the drying process, and a humidity step is formed, the inside powder is stirred and mixed in cooperation with the stirring device, so that the drying effect is further improved, and the storage is facilitated.

Description

Powder storage equipment for powder metallurgy

Technical Field

The invention relates to the powder metallurgy industry, in particular to powder storage equipment for powder metallurgy.

Background

Powder metallurgy is a process technique for producing metal powder or metal powder (or a mixture of metal powder and nonmetal powder) as a raw material, and then forming and sintering the raw material to produce metal materials, composite materials and various products. The powder metallurgy method has similar places to the production of ceramics and belongs to the powder sintering technology, so a series of new powder metallurgy technologies can also be used for preparing ceramic materials. Due to the advantages of the powder metallurgy technology, the powder metallurgy technology becomes a key for solving the problem of new materials, and plays a significant role in the development of the new materials.

In the powder metallurgy process, the powder is stored to be one of key processes, and the powder quality is influencing the quality of powder with the storage effect, further influences the quality of shaping product, and current powder storage device can not effectively screen the powder, and it is relatively poor to store the effect simultaneously, consequently, for improving the not enough of current device, need to develop a more mature powder storage device for powder metallurgy.

Disclosure of Invention

The present invention is directed to a powder storage device for powder metallurgy to solve the problems set forth in the background above.

In order to achieve the purpose, the invention provides the following technical scheme:

a powder storage device for powder metallurgy comprises a shell, wherein a feeding device is arranged above the middle of the shell and can be used for screening powder before storage, a storage bin is arranged in the shell, a circulating drying device matched with the storage bin is arranged in the middle of the shell and can be used for drying the interior of the storage bin in a circulating flow manner, so that the uneven drying effect of the interior material in the drying process is prevented, a humidity step is formed, a stirring device matched with the circulating drying device is also arranged in the storage bin and can be used for stirring and mixing the interior powder, the drying effect is further improved, the storage is facilitated, a discharging device is respectively arranged on the left side and the right side of the bottom of the storage bin, a supporting component is respectively arranged on the left side and the right side of the bottom of the shell, and the control device is electrically arranged outside the shell.

As a further scheme of the invention: the circulation drying device comprises an air inlet device and an air outlet device, wherein the air inlet device is communicated with and installed outside the left side of the shell, and the air outlet device is communicated and installed outside the right side of the shell.

As a further scheme of the invention: the air inlet device and the exhaust device are matched for use to form annular circulating airflow; the air inlet device comprises an air inlet fan, three air inlet pipes, three air inlets, an air bin and an electric heating piece, the air bin is communicated and installed on the left side of the storage bin, the three air inlets are communicated and installed on the outer side of the air bin, the air inlet fan is connected with the air inlets through the air inlet pipes, the electric heating piece is inserted into the inner side of the air bin, during operation, the air inlet fan blows air flow to the electric heating piece inside the air bin through the three air inlet pipes, and then the air flow with temperature uniformly enters the storage bin.

As a further scheme of the invention: exhaust apparatus includes exhaust fan, dust filter rack, a plurality of intercommunication mouth, three circulating line and second door, the second door sets up at the shell outsidely, accessible second door is changed inside dust filter rack, exhaust fan passes through dust filter rack and storage silo right side intercommunication, a plurality of intercommunication mouth sets up respectively at left side air intake fan back and right side exhaust fan back, three circulating line pass through both sides intercommunication mouth equidistance parallel mount at the shell back, the air current gets into the inside back of storage silo, right side exhaust fan passes through the dust filter rack and evenly inhales the inside with the air current, then cooperate three circulating line cooling backs of afterbody intercommunication, the air current flows into left side air intake apparatus inside once more, reciprocating cycle, the circulation is dry, it is inhomogeneous to prevent to cause inside dry effect of inside material among the drying process, form the humidity ladder.

As a further scheme of the invention: feeding device includes first feeder hopper, electronic pivot, bank of screens, second feeder hopper, two vibrating device and third feeding funnel, the second feeder hopper sets up at shell top middle part, and two vibrating device install respectively in the second feeder hopper left and right sides, and electronic pivot is installed at second feeder hopper middle part, first feeder hopper passes through electronic pivot and installs at second feeder hopper top, the third feeding funnel passes through electronic pivot and installs in second feeder hopper bottom, third feeding funnel and bottom storage silo intercommunication, the bank of screens is installed in first feeder hopper bottom.

As a further scheme of the invention: the vibrating device comprises a groove frame, a spring frame, a connecting plate and a vibrating motor, wherein the vibrating motor is installed on the outer side of the top of the shell, the connecting plate is installed on the outer side of a third feeding hopper, the groove frame is installed on the outer side of the connecting plate, the vibrating motor is connected with the groove frame in a vibrating mode through the spring frame, an electric rotating shaft of the middle installation drives the first feeding hopper and the third feeding hopper at the bottom to rotate, powder firstly enters the first feeding hopper at the top, is primarily screened through the screen frame in the first feeding hopper, then qualified powder enters the second feeding hopper at the middle part, screen holes are formed in the bottom inside of the second feeding hopper, the second feeding hopper is matched with the two-side vibrating device to perform vibrating screening, and the qualified powder enters the bottom storage bin through the third feeding hopper to be stored.

As a further scheme of the invention: the stirring device comprises a motor, an I-shaped connecting frame, a connecting shaft, four stirring rods and four second electric rotating shafts, the motor is arranged below the middle part of the storage bin, the I-shaped connecting frame is arranged at the middle part of the storage bin through the connecting shaft, the four second electric rotating shafts are respectively arranged on the left side and the right side of the I-shaped connecting frame in a pairwise manner, the stirring rods are obliquely arranged on the outer side of the I-shaped connecting frame through the second electric rotating shafts, powder entering the storage bin and stored in the storage bin is driven to rotate through the stirring rods driven by the motor, and the angles of the stirring rods on the outer side can be adjusted through the second electric rotating shafts.

As a further scheme of the invention: the blanking device comprises an electromagnetic valve, three blanking pipes, a fixing frame and a first bin gate, the electromagnetic valve is electrically installed at the bottom of the storage bin, the three blanking pipes are communicated and installed at the bottom of the electromagnetic valve, the fixing frame is fixedly installed outside the three blanking pipes, the first bin gate is installed outside the bottom of the storage bin, the first bin gate can be regularly opened to clean blanking, and discharging blockage is prevented.

Compared with the prior art, the invention has the beneficial effects that: this device reasonable in design, inside feeding device can carry out the dual screening before the powder is stored, and circulation drying device can be to the inside drying that circulates of storage silo simultaneously, prevents to cause in the drying process that inside material drying effect is inhomogeneous, forms the humidity ladder, and cooperation agitating unit stirs the mixture to inside powder, has further improved drying effect, is favorable to storing, has improved the not enough of current device, has higher practicality and market prospect, is fit for using widely on a large scale.

Drawings

FIG. 1 is a schematic view showing the internal structure of a powder storage apparatus for powder metallurgy.

FIG. 2 is a schematic view showing the external structure of a powder storage apparatus for powder metallurgy.

FIG. 3 is a back structural view of a powder storage apparatus for powder metallurgy.

Fig. 4 is a partial schematic view at a in a powder storage apparatus for powder metallurgy.

In the figure: 1-shell, 2-feeding device, 3-circulation drying device, 4-storage bin, 5-stirring device, 6-blanking device, 7-air inlet device, 8-exhaust device, 9-support component, 10-control device, 201-first feed hopper, 202-electric rotating shaft, 203-sieve frame, 204-second feed hopper, 205-vibrating device, 206-third feed hopper, 207-groove frame, 208-spring frame, 209-connecting plate, 210-vibrating motor, 501-motor, 502-I-shaped connecting frame, 503-connecting shaft, 504-stirring rod, 505-second electric rotating shaft, 601-electromagnetic valve, 602-blanking pipe, 603-fixing frame, 604-first bin gate, 701-air inlet fan, 702-an air inlet pipe, 703-an air inlet, 704-an air cabin, 705-an electric heating sheet, 801-an exhaust fan, 802-a dust filtering net rack, 803-a communication port, 804-a circulating pipeline and 805-a second cabin door.

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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent. In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

The first embodiment is as follows:

referring to fig. 1 to 4, in the embodiment of the present invention, a powder storage apparatus for powder metallurgy includes a housing 1, a feeding device 2 is installed above a middle portion of the housing 1, the feeding device 2 can screen powder before storage, a storage bin 4 is installed inside the housing 1, a circulation drying device 3 used in cooperation with the storage bin 4 is installed in the middle portion of the housing 1, the circulation drying device 3 can perform circulation flow drying inside the storage bin 4, so as to prevent uneven drying effect of internal materials during drying and form humidity steps, a stirring device 5 used in cooperation with the circulation drying device 3 is also installed inside the storage bin 4, the stirring device 5 can stir and mix internal powder, further improve drying effect, and facilitate storage, a discharging device 6 is installed on each of left and right sides of the bottom of the storage bin 4, the left side and the right side of the bottom of the shell 1 are respectively provided with a supporting component 9, the outside of the shell 1 is also electrically provided with a control device 10, a PLC logic controller (not shown) for controlling the internal electrical devices is electrically installed inside the control device 10, a wireless transmitting module is arranged in the PLC logic controller, wireless receiving modules which are used in a matched way are arranged in other electric devices in the PLC logic controller, the wireless transmitting module is matched with the wireless receiving modules to finish the control of the PLC logic controller on the electric equipment of the PLC logic controller, in the scheme, other electric parts are connected with a power supply which is matched with the other electric parts through leads, and according to the actual situation, a proper control device is selected to meet the control requirement, and the electrical parts are electrically connected in sequence, wherein the detailed connection means is the known technology in the field.

Example two:

in the embodiment, the circulation drying device 3 comprises an air inlet device 7 and an air outlet device 8, the air inlet device 7 is installed outside the left side of the shell 1 in a communication mode, the air outlet device 8 is installed outside the right side of the shell 1 in a communication mode, and the air inlet device 7 and the air outlet device 8 are matched for use to form an annular circulation airflow; the air inlet device 7 comprises an air inlet fan 701, three air inlet pipes 702, three air inlets 703, an air bin 704 and an electric heating sheet 705, the air bin 704 is communicated and installed on the left side of the storage bin 4, the three air inlets 703 are communicated and installed on the outer side of the air bin 704, the air inlet fan 701 is connected with the air inlets 703 through the air inlet pipes 702, the electric heating sheet 705 is inserted into the air bin 704, when the air inlet fan 701 blows airflow to the electric heating sheet 705 in the air bin 704 through the three air inlet pipes 702 during working, and then the airflow with temperature uniformly enters the storage bin 4; the exhaust device 8 comprises an exhaust fan 801, a dust filtering net rack 802, a plurality of communicating ports 803, three circulating pipelines 804 and a second door 805, the second door 805 is arranged outside the shell 1, the internal dust filtering net rack 802 can be replaced through the second door 805, the exhaust fan 801 is communicated with the right side of the storage bin 4 through the dust filtering net rack 802, the communicating ports 803 are respectively arranged at the back of the left air inlet fan 701 and the back of the right exhaust fan 801, the three circulating pipelines 804 are equidistantly and parallelly arranged at the back of the shell 1 through the communicating ports 803 at two sides, after the air flow enters the storage bin 4, the right exhaust fan 801 uniformly sucks the air flow into the interior through the dust filtering net rack 802, and then the air flow is cooled by matching with the three circulating pipelines 804 with the communicated tail part, the air flow flows into the left air inlet device 7 again, the air flow is circulated and dried, the drying effect of the internal materials is prevented from being uneven in the drying process, a humidity step is formed.

In this embodiment, the feeding device 2 includes a first feeding hopper 201, an electric rotating shaft 202, a sieve frame 203, a second feeding hopper 204, two vibrating devices 205 and a third feeding hopper 206, the second feeding hopper 204 is disposed in the middle of the top of the housing 1, the two vibrating devices 205 are respectively mounted on the left and right sides of the second feeding hopper 204, the electric rotating shaft 202 is mounted in the middle of the second feeding hopper 204, the first feeding hopper 201 is mounted on the top of the second feeding hopper 204 through the electric rotating shaft 202, the third feeding hopper 206 is mounted at the bottom of the second feeding hopper 204 through the electric rotating shaft 202, the third feeding hopper 206 is communicated with the bottom storage silo 4, and the sieve frame 203 is mounted at the bottom of the first feeding hopper 201; the vibrating device 205 comprises a groove frame 207, a spring frame 208, a connecting plate 209 and a vibrating motor 210, the vibrating motor 210 is installed on the outer side of the top of the shell 1, the connecting plate 209 is installed on the outer side of a third feeding hopper 206, the groove frame 207 is installed on the outer side of the connecting plate 209, the vibrating motor 210 is in vibrating connection with the groove frame 207 through the spring frame 208, an electric rotating shaft 202 installed in the middle drives the first feeding hopper 201 and the third feeding hopper 206 at the bottom to rotate, powder firstly enters the first feeding hopper 201 at the top, is primarily screened in the first feeding hopper 201 through the screen frame 203, then qualified powder enters the second feeding hopper 204 in the middle, a screen hole (not shown in the figure) is arranged at the bottom inside the second feeding hopper 204, the second feeding hopper 204 is matched with the vibrating devices 205 at two sides for vibrating screening, and the qualified powder enters the storage silo 4 at the bottom through the third feeding hopper 206 for storage; the stirring device 5 comprises a motor 501, an I-shaped connecting frame 502, a connecting shaft 503, four stirring rods 504 and four second electric rotating shafts 505, the motor 501 is arranged below the middle part of the storage bin 4, the I-shaped connecting frame 502 is arranged in the middle of the storage bin 4 through the connecting shaft 503, the four second electric rotating shafts 505 are respectively arranged on the left side and the right side of the I-shaped connecting frame 502 in pairs, the stirring rods 504 are obliquely arranged on the outer side of the I-shaped connecting frame 502 through the second electric rotating shafts 505, powder entering the storage bin 4 for storage is driven by the stirring rods 504 driven by the motor 501 to rotate and stir, and the angles of the stirring rods 504 on the outer side can be adjusted through the second electric rotating shafts 505; unloader 6 includes solenoid valve 601, three unloading pipes 602, mount 603 and first door 604, and solenoid valve 601 electrical property is installed in storage silo 4 bottom, and three unloading pipe 602 intercommunications are installed in solenoid valve 601 bottom, and mount 603 fixed mounting is outside at three unloading pipes 602, first door 604 is installed in storage silo 4 bottom outsidely, can regularly open first door 604 and clear up unloading department, prevents that the ejection of compact from blockking up.

The working principle of the invention is as follows: a PLC (programmable logic controller) for controlling electrical equipment inside the device is electrically installed inside the control device 10, a wireless transmitting module is arranged inside the PLC, wireless receiving modules used in a matched manner are arranged inside the other electrical devices inside the device, the wireless transmitting module is matched with the wireless receiving modules to control the electrical equipment of the device through the PLC, when the device works, the feeding device 2 can screen powder before storage, an electric rotating shaft 202 installed in the middle part drives a first feeding hopper 201 and a third feeding hopper 206 at the bottom to rotate, the powder firstly enters the first feeding hopper 201 at the top part, is primarily screened in the first feeding hopper 201 through a screen frame 203, the qualified powder then enters a second feeding hopper 204 at the middle part, a screen hole (not shown in the figure) is arranged at the bottom inside the second feeding hopper 204, and the second feeding hopper 204 is matched with vibrating devices 205 at two sides to perform vibration screening, qualified powder enters the bottom storage bin 4 through the third feed hopper 206 to be stored, the circulating drying device 3 can circularly flow and dry the inside of the storage bin 4, the air inlet fan 701 blows airflow to the electric heating sheet 705 inside the air bin 704 through the three air inlet pipes 702, then the airflow with temperature uniformly enters the inside of the storage bin 4, after the airflow enters the inside of the storage bin 4, the right exhaust fan 801 uniformly sucks the airflow into the inside through the dust filter net rack 802, and then the airflow is cooled by matching with the three circulating pipelines 804 communicated with the tail part, and then the airflow flows into the left air inlet device 7 again to be circularly circulated and dried, so that the drying effect of the internal materials is prevented from being non-uniform in the drying process, a humidity step is formed, the stirring device 5 can stir and mix the internal powder, the angle of the outer stirring rod 504 can be adjusted through the second electric rotating shaft 505, and the drying effect is further improved, the storage is facilitated, the first bin door 604 can be opened periodically to clean the blanking position, the blockage of discharging is prevented, and the inner dust filtering net rack 802 can be replaced through the second bin door 805.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a powder storage equipment for powder metallurgy, includes shell (1), its characterized in that shell (1) middle part top installs feeding device (2) inside storage silo (4) of being provided with shell (1) middle part be provided with circulation drying device (3) that storage silo (4) cooperation was used storage silo (4) inside still install with agitating unit (5) that circulation drying device (3) cooperation was used storage silo (4) bottom left and right sides installs one unloader (6) respectively shell (1) bottom left and right sides installs one supporting component (9) respectively shell (1) outside still electric installation has controlling means (10).

2. The storage facility for powder metallurgy according to claim 1, wherein the circulating drying device (3) comprises an air inlet device (7) and an air outlet device (8), the air inlet device (7) is installed outside the left side of the casing (1) in a communicating manner, and the air outlet device (8) is installed outside the right side of the casing (1) in a communicating manner.

3. The storage plant for powder metallurgy according to claim 2, wherein the air inlet means (7) comprises an air inlet fan (701), three air inlet pipes (702), three air inlets (703), a wind box (704) and an electric heating plate (705);

the air bin (704) is communicated and installed on the left side of the storage bin (4), the three air inlets (703) are communicated and installed on the outer side of the air bin (704), the air inlet fan (701) is connected with the air inlets (703) through the air inlet pipe (702), and the electric heating plate (705) is inserted and installed on the inner side of the air bin (704).

4. The storage plant for powder metallurgy according to claim 3, wherein the exhaust means (8) comprises an exhaust fan (801), a dust screen (802), a plurality of communication ports (803), three circulation ducts (804) and a second door (805);

the second bin door (805) is arranged outside the shell (1), the exhaust fan (801) is communicated with the right side of the storage bin (4) through a dust filtering net rack (802), the communication ports (803) are respectively arranged on the back of the left air inlet fan (701) and the back of the right exhaust fan (801), and the three circulation pipelines (804) are equidistantly and parallelly installed on the back of the shell (1) through the communication ports (803) on the two sides.

5. The storage apparatus for powder metallurgy according to claim 4, wherein the charging device (2) comprises a first feed hopper (201), an electric rotating shaft (202), a sieve frame (203), a second feed hopper (204), two vibrating devices (205) and a third feed hopper (206);

second feeder hopper (204) set up in shell (1) top middle part, and two vibrating device (205) are installed respectively in the second feeder hopper (204) left and right sides, and install in second feeder hopper (204) middle part electronic pivot (202), install at second feeder hopper (204) top through electronic pivot (202) first feeder hopper (201), third feeding funnel (206) are installed in second feeder hopper (204) bottom through electronic pivot (202), third feeding funnel (206) and bottom storage silo (4) intercommunication, and install in first feeder hopper (201) bottom screen frame (203).

6. The powder storage apparatus for powder metallurgy according to claim 5, wherein the vibration device (205) comprises a slot frame (207), a spring frame (208), a connecting plate (209), and a vibration motor (210);

the vibration motor (210) is installed on the outer side of the top of the shell (1), the connecting plate (209) is installed on the outer side of the third feeding hopper (206), the groove frame (207) is installed on the outer side of the connecting plate (209), and the vibration motor (210) is connected with the groove frame (207) in a vibration mode through the spring frame (208).

7. The powder storage apparatus for powder metallurgy according to claim 6, wherein the stirring device (5) comprises a motor (501), an I-shaped connecting frame (502), a connecting shaft (503), four stirring rods (504) and four second electric rotating shafts (505);

the middle lower part of the storage bin (4) is installed on the motor (501), the I-shaped connecting frame (502) is installed in the middle of the storage bin (4) through a connecting shaft (503), the four second electric rotating shafts (505) are installed on the left side and the right side of the I-shaped connecting frame (502) in a pairwise mode respectively, and the stirring rod (504) is installed on the outer side of the I-shaped connecting frame (502) in an inclined mode through the second electric rotating shafts (505).

8. The powder storage apparatus for powder metallurgy according to claim 7, wherein the blanking device (6) comprises a solenoid valve (601), three blanking pipes (602), a fixed frame (603), and a first door (604);

electromagnetic valve (601) electrical property is installed in storage silo (4) bottom, and three unloading pipe (602) intercommunication are installed in electromagnetic valve (601) bottom, and mount (603) fixed mounting is in three unloading pipe (602) outsides, first door (604) are installed in storage silo (4) bottom outsides.