CN112387965A - Strong magnetic powder forming device and method - Google Patents
Strong magnetic powder forming device and method Download PDFInfo
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- CN112387965A CN112387965A CN202011348855.5A CN202011348855A CN112387965A CN 112387965 A CN112387965 A CN 112387965A CN 202011348855 A CN202011348855 A CN 202011348855A CN 112387965 A CN112387965 A CN 112387965A
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- storage hopper
- driving device
- magnetic powder
- forming device
- mounting
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- 239000006247 magnetic powder Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000003860 storage Methods 0.000 claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 239000000843 powder Substances 0.000 claims abstract description 35
- 238000003756 stirring Methods 0.000 claims abstract description 27
- 238000000465 moulding Methods 0.000 claims description 14
- 230000005389 magnetism Effects 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000006872 improvement Effects 0.000 description 5
- 229910052796 boron Inorganic materials 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 229910052723 transition metal Chemical group 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
- H01F1/0576—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together pressed, e.g. hot working
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
The invention discloses a strong magnetic powder forming device and a strong magnetic powder forming method. The powder feeding device is reasonable in design and simple to operate, the air cylinder pushes the lower die to move upwards to be flush with the lower end face of the lower die, the feeding mechanism is driven by the third driving device to feed magnetic powder into the lower die, labor intensity is reduced, the external controller is used for controlling and quantifying powder filling, accurate control of powder filling amount is improved, the stirring device is used for stirring the powder to avoid bonding, and powder attached to the inner wall of the storage hopper is scraped.
Description
Technical Field
The invention relates to the field of strong magnetic production, in particular to a device and a method for molding strong magnetic powder.
Background
Conventionally, as sintered magnets of an olefinic-earth alloy, two types, i.e., samarium-cobalt-based magnets and rare-earth-iron-boron-based magnets, have been widely used in various fields. Among them, a rare earth-iron-boron magnet (hereinafter referred to as "R-T- (M) -B magnet", where R is a rare earth element containing Y, T is iron, or a transition metal element substituting a part of iron and iron, M is an additive element, and B is boron) is the magnet having the highest magnetic energy product among various magnets, and is relatively inexpensive, and therefore, is actively used in various electronic devices. The transition metal contained in T may be, for example, cobalt. In addition, boron may be partially substituted with C (carbon).
In order to produce such a rare earth magnet, a press molding apparatus is used to produce a molded body (green compact) from magnetic alloy powder obtained by pulverizing a rare earth alloy.
At present, a blank pressed from magnetic material powder is mainly pressed and formed by a hydraulic press and a die. The prior art technology is that powder is placed in a die cavity, then an upper pressure head and a lower pressure head press the powder to form the powder, after the forming is finished, the upper pressure head withdraws from the die cavity, and the lower pressure head ejects a formed blank out of the die cavity. At present, powder filling in a forming device is often manually filled, the filling amount is manually controlled, and the powder cannot be accurately quantified, so that the quality of a formed body is influenced.
Disclosure of Invention
Therefore, in order to solve the above-mentioned disadvantages, the present invention provides a strong magnetic powder forming apparatus and method that can automatically fill powder, precisely eject material, and reduce labor intensity.
The invention is realized in such a way that a strong magnetic powder forming device is constructed, and the forming device comprises a frame body, wherein the top part of the frame body is provided with a first mounting plate, and the middle part of the frame body is provided with a second mounting plate;
the forming device also comprises an air cylinder which is fixedly arranged on the lower end surface of the second mounting plate;
the piston rod of the air cylinder penetrates through the second mounting plate and is connected with the second mounting plate in a sliding manner;
the forming device also comprises a lower die which is arranged between the first mounting plate and the second mounting plate; the lower end surface of the lower die is connected with a cylinder piston rod; the cylinder drives the lower die to vertically displace;
the forming device also comprises an upper die which is fixedly arranged on the lower end surface of the first mounting plate and matched with the lower die;
the forming device also comprises a first mounting frame which is fixedly mounted on the upper end surface of the first mounting plate;
the forming device also comprises a first driving device which is arranged at the top of the first mounting frame;
the forming device also comprises a second mounting frame which is connected with the first mounting frame in a sliding way; the first driving device drives the second mounting rack to slide up and down;
the forming device also comprises a storage hopper which is arranged at the bottom of the second mounting frame and is fixedly connected with the second mounting frame;
the forming device also comprises a second driving device which is fixedly arranged on the upper end surface of the second mounting frame;
the forming device also comprises a third driving device which is fixedly arranged on the upper end surface of the second mounting frame;
the forming device also comprises a feed hopper which is arranged on the upper end surface of the storage hopper and communicated with the interior of the storage hopper;
the forming device also comprises a stirring mechanism which is arranged in the storage hopper; the second driving device drives the stirring mechanism to rotate;
the forming device also comprises a feeding mechanism which is arranged in the storage hopper; the third driving device drives the feeding mechanism to rotate;
the forming device further comprises a pipeline, the first end portion is communicated with the bottom of the storage hopper, the second end portion penetrates through the first mounting plate and the upper die, and the pipe orifice is flush with the lower end face of the upper die.
Furthermore, a pair of guide rods is arranged at two ends of the lower end face of the lower die, the first end portions of the guide rods are fixedly connected with the lower end face of the lower die, and the second end portions penetrate through the second mounting plate and are in sliding connection with the second mounting plate.
Furthermore, a lead screw is arranged in the first mounting frame, a first end part of the lead screw is connected with a rotating shaft of the first driving device, a second end part of the lead screw is rotatably connected with the first mounting frame, and the lead screw is in threaded connection with the second mounting frame.
Furthermore, the stirring mechanism is sleeved on the periphery of the feeding mechanism and is in rotating connection with the feeding mechanism.
Furthermore, the stirring mechanism comprises a connecting piece which is rotatably connected to the periphery of the feeding mechanism, a first stirrer arranged on one side of the connecting piece and a second stirrer arranged on the side of the first stirrer of the connecting piece, and the first stirrer and the second stirrer are fixedly connected with the connecting piece.
Furthermore, a first chain wheel is fixedly installed outside the connecting piece, a second chain wheel is fixedly installed at the rotating shaft of the second driving device, and the first chain wheel and the second chain wheel are kept connected through a chain.
Furthermore, the feeding mechanism comprises a connecting shaft and a screw rod, the connecting shaft is connected with the third driving device, the screw rod is detachably mounted at the end part of the screw rod far away from the third driving device, the far connecting shaft end of the screw rod extends to the section, close to the storage hopper, of the pipeline, and the outer side surface of the screw rod is in contact with the inner wall of the pipeline.
A molding method of the strong magnetic powder molding device; when the magnetic powder feeding device is implemented, magnetic powder is added into the storage hopper from the feeding hopper, the air cylinder pushes the lower die to move upwards until the upper end face of the lower die is flush with the lower end face of the upper die, and then the air cylinder stops moving, the third driving device drives the connecting shaft to drive the screw rod to rotate, and the magnetic powder is pushed to be injected into the storage hopper from the storage hopper through a pipeline; meanwhile, the second driving device drives the stirrer to stir the powder and scrape the inner wall of the storage hopper, after a certain time, the controller controls the third driving device to stop working, the air cylinder pushes the lower die to continuously move upwards until the maximum stroke is reached, the lower die is pressed and formed, and the air cylinder drives the lower die to move downwards to manually take out the magnetic powder forming body.
The invention has the following advantages: according to the invention, the strong magnetic powder forming device is provided by improvement, so that the automatic powder filling and accurate material ejection are realized, and the labor intensity is reduced; compared with the prior art, the method has the following improvements and advantages;
the device comprises a frame body, a first mounting plate is arranged at the top of the frame body, a second mounting plate is arranged in the middle of the frame body, an air cylinder is fixedly arranged on the lower end surface of the second mounting plate, a piston rod of the air cylinder penetrates through the second mounting plate and is in sliding connection with the second mounting plate, a lower die is arranged between the first mounting plate and the second mounting plate, the lower end surface of the lower die is connected with the piston rod of the air cylinder, the air cylinder drives the lower die to vertically displace, an upper die is fixedly arranged on the lower end surface of the first mounting plate and is matched with the lower die, a first mounting frame is fixedly arranged on the upper end surface of the first mounting plate, a first driving device is arranged at the top of the first mounting frame, a second mounting frame is in sliding connection with the first mounting frame, the first driving device drives the second mounting frame to slide up and down, a storage hopper is, a second drive arrangement fixed mounting in second mounting bracket up end, a third drive arrangement fixed mounting in second mounting bracket up end, a feeder hopper set up in the storage hopper up end, with storage hopper in intercommunication, an rabbling mechanism set up in the storage hopper, second drive arrangement drive rabbling mechanism rotates, a feeding mechanism set up in the storage hopper, third drive arrangement drive feeding mechanism rotates, a pipeline first end and storage hopper bottom intercommunication, second end run through first mounting panel and last mould, terminal surface parallel and level under mouth of pipe and the last mould. The powder feeding device is reasonable in design and simple to operate, the air cylinder pushes the lower die to move upwards to be flush with the lower end face of the lower die, the feeding mechanism is driven by the third driving device to feed magnetic powder into the lower die, labor intensity is reduced, the external controller is used for controlling and quantifying powder filling, accurate control of powder filling amount is improved, the stirring device is used for stirring the powder to avoid bonding, and powder attached to the inner wall of the storage hopper is scraped.
In the invention, a pair of guide rods are arranged at two ends of the lower end surface of the lower die, the lower end surfaces of the lower die at the first end parts of the two guide rods are fixedly connected, and the second end parts of the two guide rods penetrate through the second mounting plate and are in sliding connection with the second mounting plate.
3, in the invention, a screw rod is arranged in the first mounting frame, a first end part of the screw rod is connected with the rotating shaft of the first driving device, a second end part of the screw rod is rotatably connected with the first mounting frame, and the screw rod is in threaded connection with the second mounting frame. Reasonable design lead screw, first drive arrangement drive lead screw rotate, drive the storage hopper along the motion of lead screw axis direction, are convenient for adjust the interval between storage hopper and the first mounting panel, convenient to detach.
And 4, in the invention, the stirring mechanism is sleeved on the periphery of the feeding mechanism and is rotationally connected with the feeding mechanism. The stirring mechanism comprises a connecting piece which is rotatably connected to the periphery of the feeding mechanism, a first stirrer arranged on one side of the connecting piece and a second stirrer arranged on the side of the first stirrer of the connecting piece, and the first stirrer and the second stirrer are fixedly connected with the connecting piece.
According to the invention, a first chain wheel is fixedly arranged outside the connecting piece, a second chain wheel is fixedly arranged at the rotating shaft of the second driving device, and the first chain wheel and the second chain wheel are kept connected through a chain. The feeding mechanism comprises a connecting shaft and a screw rod, the connecting shaft is connected with the third driving device, the screw rod is detachably mounted at the end part of the screw rod far away from the third driving device, the far connecting shaft end of the screw rod extends to the section, close to the storage hopper, of the pipeline, and the outer side surface of the screw rod is in contact with the inner wall of the pipeline.
The forming method comprises the following steps of adding magnetic powder into a storage hopper from a feed hopper, pushing a lower die to move upwards by an air cylinder until the upper end face of the lower die is flush with the lower end face of an upper die, stopping the magnetic powder, driving a connecting shaft to drive a screw to rotate by a third driving device, pushing the magnetic powder to move from the storage hopper, injecting the magnetic powder into the storage hopper through a pipeline, driving a stirrer to stir the powder by a second driving device, scraping the inner wall of the storage hopper, stopping the operation of the third driving device after a certain time, pushing the lower die to move upwards by the air cylinder, stopping the magnetic powder after a maximum stroke, performing press forming, driving the lower die to move downwards by the air cylinder, and manually taking out a magnetic powder forming body.
Drawings
FIGS. 1-4 are schematic structural views of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 2 according to the present invention;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5 in accordance with the present invention;
fig. 7 is a cross-sectional view taken along line C-C of fig. 3 in accordance with the present invention.
Wherein: 1. a frame body; 2. a cylinder; 3. a guide bar; 4. a first mounting bracket; 5. a first mounting plate; 6. a first driving device; 7. a second driving device; 8. a third driving device; 9. a feed hopper; 10. a storage hopper; 11. a lower die; 12. an upper die; 13. a pipeline; 14. a second mounting bracket; 15. a connecting shaft; 16. a screw; 17. a first sprocket; 18. a second sprocket; 19. a lead screw; 20. a connecting member; 21. a second mounting plate; 22. a first stirrer; 23. a second agitator.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 7, and the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
The present invention provides a strong magnetic powder molding apparatus by improvement, as shown in fig. 1 to 7, which can be implemented as follows; comprises a frame body 1, a first mounting plate 5 is arranged at the top, a second mounting plate 21 is arranged at the middle part, an air cylinder 2 is fixedly arranged at the lower end surface of the second mounting plate 21, a piston rod of the air cylinder 2 penetrates through the second mounting plate 21 and is connected with the second mounting plate 21 in a sliding way, a lower die 11 is arranged between the first mounting plate 5 and the second mounting plate 21, the lower end surface of the lower die 11 is connected with a piston rod of the air cylinder 2, the air cylinder 2 drives the lower die 11 to vertically displace, an upper die 12 is fixedly arranged at the lower end surface of the first mounting plate 5 and is matched with the lower die 11, a first mounting frame 4 is fixedly arranged at the upper end surface of the first mounting plate 5, a first driving device 6 is arranged at the top of the first mounting frame 4, a second mounting frame 14 is connected with the first mounting frame 4 in a sliding way, the first driving device, a storage hopper 10 set up in second mounting bracket 14 bottom, with second mounting bracket 14 fixed connection, a second drive arrangement 7 fixed mounting in 4 up end of second mounting bracket, a third drive arrangement 8 fixed mounting in 4 up end of second mounting bracket, a feeder hopper 9 set up in 10 up end of storage hopper, with storage hopper 10 in the intercommunication, an rabbling mechanism set up in the storage hopper 10, 7 drive rabbling mechanisms of second drive arrangement rotate, a feeding mechanism set up in the storage hopper 10, 8 drive feeding mechanism of third drive arrangement rotate, a pipeline 13 first end and storage hopper 10 bottom intercommunication, the second end run through first mounting panel 5 and last mould 12, the terminal surface parallel and level under mouth of pipe and last mould 12. The powder feeding device is reasonable in design and simple to operate, the air cylinder pushes the lower die to move upwards to be flush with the lower end face of the lower die, the feeding mechanism is driven by the third driving device to feed magnetic powder into the lower die, labor intensity is reduced, the external controller is used for controlling and quantifying powder filling, accurate control of powder filling amount is improved, the stirring device is used for stirring the powder to avoid bonding, and powder attached to the inner wall of the storage hopper is scraped.
In this embodiment, a pair of guide rods 3 are disposed at two ends of the lower end surface of the lower mold 11, first ends of the guide rods 3 are fixedly connected to the lower end surface of the lower mold 11, and second ends thereof penetrate through the second mounting plate 21 and are slidably connected to the second mounting plate 21.
In this embodiment, a lead screw 19 is disposed in the first mounting frame 4, a first end of the lead screw 19 is connected to the first driving device 6, a second end of the lead screw 19 is connected to the first mounting frame 4, and the lead screw 19 is connected to the second mounting frame 14 by a thread. Reasonable design lead screw, first drive arrangement drive lead screw rotate, drive the storage hopper along the motion of lead screw axis direction, are convenient for adjust the interval between storage hopper and the first mounting panel, convenient to detach.
In this embodiment, the stirring mechanism is sleeved on the periphery of the feeding mechanism and is rotatably connected with the feeding mechanism.
In this embodiment, the stirring mechanism includes a connecting member 20 rotatably connected to the periphery of the feeding mechanism, a first stirrer 22 disposed on one side of the connecting member 20, and a second stirrer 23 disposed on the other side of the connecting member 20, where the first stirrer 22 and the second stirrer 23 are fixedly connected to the connecting member 20.
In this embodiment, a first chain wheel 17 is fixedly installed outside the connecting member, a second chain wheel 18 is fixedly installed at the rotating shaft of the second driving device 7, and the first chain wheel 17 and the second chain wheel 18 are kept connected through a chain.
In this embodiment, the feeding mechanism includes a connecting shaft 15 and a screw 16, the connecting shaft 15 is connected to the third driving device 8, the screw 16 is detachably mounted on the end of the screw 16 far from the third driving device 8, the end of the screw 16 far from the connecting shaft 15 extends to a section of the pipe 13 near the storage hopper 10, and the outer side surface of the screw 16 contacts with the inner wall of the pipe 13.
During implementation, magnetic powder is added into a storage hopper 10 from a feed hopper 9, a cylinder 2 pushes a lower die 11 to move upwards until the end face of the upper 11 of the lower die is flush with the lower end face 12 of an upper die, a third driving device 8 drives a connecting shaft 15 to drive a screw 16 to rotate, the magnetic powder is pushed to move upwards from the storage hopper 10 and is injected into the storage hopper 10 through a pipeline 13, meanwhile, a second driving device 7 drives a stirrer to stir the powder and scrape the inner wall of the storage hopper 10, after a certain time, a controller controls the third driving device 8 to stop working, the cylinder 2 pushes the lower die 11 to continue to move upwards and stop until the maximum stroke, the lower die is pressed and formed, the cylinder 2 drives the lower die 11 to move downwards, and a magnetic powder forming body is taken out manually.
Compared with the prior art, the invention has the following improvements and advantages;
1, the present invention provides a strong magnetic powder molding apparatus by improvement, as shown in fig. 1 to 7, which can be implemented as follows; comprises a frame body 1, a first mounting plate 5 is arranged at the top, a second mounting plate 21 is arranged at the middle part, an air cylinder 2 is fixedly arranged at the lower end surface of the second mounting plate 21, a piston rod of the air cylinder 2 penetrates through the second mounting plate 21 and is connected with the second mounting plate 21 in a sliding way, a lower die 11 is arranged between the first mounting plate 5 and the second mounting plate 21, the lower end surface of the lower die 11 is connected with a piston rod of the air cylinder 2, the air cylinder 2 drives the lower die 11 to vertically displace, an upper die 12 is fixedly arranged at the lower end surface of the first mounting plate 5 and is matched with the lower die 11, a first mounting frame 4 is fixedly arranged at the upper end surface of the first mounting plate 5, a first driving device 6 is arranged at the top of the first mounting frame 4, a second mounting frame 14 is connected with the first mounting frame 4 in a sliding way, the first driving device, a storage hopper 10 set up in second mounting bracket 14 bottom, with second mounting bracket 14 fixed connection, a second drive arrangement 7 fixed mounting in 4 up end of second mounting bracket, a third drive arrangement 8 fixed mounting in 4 up end of second mounting bracket, a feeder hopper 9 set up in 10 up end of storage hopper, with storage hopper 10 in the intercommunication, an rabbling mechanism set up in the storage hopper 10, 7 drive rabbling mechanisms of second drive arrangement rotate, a feeding mechanism set up in the storage hopper 10, 8 drive feeding mechanism of third drive arrangement rotate, a pipeline 13 first end and storage hopper 10 bottom intercommunication, the second end run through first mounting panel 5 and last mould 12, the terminal surface parallel and level under mouth of pipe and last mould 12. The powder feeding device is reasonable in design and simple to operate, the air cylinder pushes the lower die to move upwards to be flush with the lower end face of the lower die, the feeding mechanism is driven by the third driving device to feed magnetic powder into the lower die, labor intensity is reduced, the external controller is used for controlling and quantifying powder filling, accurate control of powder filling amount is improved, the stirring device is used for stirring the powder to avoid bonding, and powder attached to the inner wall of the storage hopper is scraped.
In the present embodiment, a pair of guide rods 3 are disposed at two ends of the lower end surface of the lower mold 11, two first end portions of the guide rods 3 are fixedly connected to the lower end surface of the lower mold 11, and the second end portions penetrate through the second mounting plate 21 and are slidably connected to the second mounting plate 21.
In this embodiment, a lead screw 19 is disposed in the first mounting frame 4, a first end of the lead screw 19 is connected to the first driving device 6, a second end of the lead screw 19 is connected to the first mounting frame 4, and the lead screw 19 is connected to the second mounting frame 14 by a thread. Reasonable design lead screw, first drive arrangement drive lead screw rotate, drive the storage hopper along the motion of lead screw axis direction, are convenient for adjust the interval between storage hopper and the first mounting panel, convenient to detach.
And 4, in the embodiment, the stirring mechanism is sleeved on the periphery of the feeding mechanism and is rotatably connected with the feeding mechanism. The stirring mechanism comprises a connecting piece 20 which is rotatably connected to the periphery of the feeding mechanism, a first stirrer 22 arranged on one side of the connecting piece 20 and a second stirrer 23 arranged on the side of the first stirrer 22 of the connecting piece 20, wherein the first stirrer 22 and the second stirrer 23 are fixedly connected with the connecting piece 20.
In the embodiment, a first chain wheel 17 is fixedly installed outside the connecting piece, a second chain wheel 18 is fixedly installed at the rotating shaft of the second driving device 7, and the first chain wheel 17 and the second chain wheel 18 are kept connected through a chain. The feeding mechanism comprises a connecting shaft 15 and a screw 16, the connecting shaft 15 is connected with the third driving device 8, the screw 16 is detachably mounted at the end of the screw 16 far away from the third driving device 8, the end of the screw 16 far away from the connecting shaft 15 extends to a section of the pipeline 13 close to the storage hopper 10, and the outer side surface of the screw 16 is in contact with the inner wall of the pipeline 13.
The forming method comprises the following steps that firstly, magnetic powder is added into a storage hopper 10 from a feed hopper 9, a cylinder 2 pushes a lower die 11 to move upwards until the end surface of the upper die 11 is flush with the lower end surface 12 of an upper die, and then the magnetic powder stops moving, a third driving device 8 drives a connecting shaft 15 to drive a screw 16 to rotate, the magnetic powder is pushed to move from the storage hopper 10 and is injected into the storage hopper 10 through a pipeline 13, meanwhile, a second driving device 7 drives a stirrer to stir the powder and scrape the inner wall of the storage hopper 10, after a certain time, a controller controls a third driving device 8 to stop working, the cylinder 2 pushes the lower die 11 to move upwards continuously until the maximum stroke, the pressing forming is carried out, the cylinder 2 drives the lower die 11 to move downwards, and magnetic powder forming bodies are taken out manually.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a strong magnetism powder forming device which characterized in that: the forming device comprises a frame body (1), wherein a first mounting plate (5) is arranged at the top of the frame body, and a second mounting plate (21) is arranged in the middle of the frame body;
the forming device also comprises an air cylinder (2) which is fixedly arranged on the lower end surface of the second mounting plate (21);
the piston rod of the air cylinder (2) penetrates through the second mounting plate (21) and is connected with the second mounting plate (21) in a sliding manner;
the forming device also comprises a lower die (11) which is arranged between the first mounting plate (5) and the second mounting plate (21); the lower end surface of the lower die (11) is connected with a piston rod of the cylinder (2); the cylinder (2) drives the lower die (11) to vertically displace;
the forming device also comprises an upper die (12) which is fixedly arranged on the lower end surface of the first mounting plate (5) and is matched with the lower die (11);
the forming device also comprises a first mounting rack (4) which is fixedly mounted on the upper end surface of the first mounting board (5);
the forming device also comprises a first driving device (6) which is arranged on the top of the first mounting frame (4);
the forming device also comprises a second mounting frame (14) which is connected with the first mounting frame (4) in a sliding way; the first driving device (6) drives the second mounting rack (14) to slide up and down;
the forming device also comprises a storage hopper (10) which is arranged at the bottom of the second mounting frame (14) and is fixedly connected with the second mounting frame (14);
the forming device also comprises a second driving device (7) which is fixedly arranged on the upper end surface of the second mounting frame (4);
the forming device also comprises a third driving device (8) which is fixedly arranged on the upper end surface of the second mounting frame (4);
the forming device also comprises a feed hopper (9) which is arranged on the upper end surface of the storage hopper (10) and is communicated with the interior of the storage hopper (10);
the forming device also comprises a stirring mechanism which is arranged in the storage hopper (10); the second driving device (7) drives the stirring mechanism to rotate;
the forming device also comprises a feeding mechanism which is arranged in the storage hopper (10); the third driving device (8) drives the feeding mechanism to rotate;
the forming device further comprises a pipeline (13), the first end portion of the pipeline is communicated with the bottom of the storage hopper (10), the second end portion of the pipeline penetrates through the first mounting plate (5) and the upper die (12), and the pipe orifice of the pipeline is flush with the lower end face of the upper die (12).
2. The strong magnetic powder molding apparatus according to claim 1, wherein: the lower die
(11) Lower terminal surface both ends set up a pair of guide bar (3), two end surface fixed connection under guide bar (3) first end lower mould (11), second end run through second mounting panel (21), with second mounting panel (21) sliding connection.
3. The strong magnetic powder molding apparatus according to claim 1, wherein: set up a lead screw (19) in first mounting bracket (4), lead screw (19) first end and first drive arrangement (6) pivot are connected, and the second end rotates with first mounting bracket (4) to be connected, lead screw (19) and second mounting bracket (14) threaded connection.
4. The strong magnetic powder molding apparatus according to claim 1, wherein: the stirring mechanism is sleeved on the periphery of the feeding mechanism and is rotationally connected with the feeding mechanism.
5. The strong magnetic powder molding apparatus according to claim 1, wherein: the stirring mechanism comprises a connecting piece (20) which is rotatably connected to the periphery of the feeding mechanism, a first stirrer (22) arranged on one side of the connecting piece (20) and a second stirrer (23) arranged on the first stirrer (22) side of the connecting piece (20), and the first stirrer (22) and the second stirrer (23) are fixedly connected with the connecting piece (20).
6. The strong magnetic powder molding apparatus according to claim 5, wherein: a first chain wheel (17) is fixedly installed outside the connecting piece (20), a second chain wheel (18) is fixedly installed at the rotating shaft of the second driving device (7), and the first chain wheel (17) is connected with the second chain wheel (18) through a chain.
7. The strong magnetic powder molding apparatus according to claim 1, wherein: the feeding mechanism comprises a connecting shaft (15) and a screw rod (16), the connecting shaft (15) is connected with the third driving device (8) in a maintaining mode, the screw rod (16) is detachably mounted at the end portion, far away from the third driving device (8), of the screw rod (16), the end, far away from the connecting shaft (15), of the screw rod (16) extends to the section, close to the storage hopper (10), of the pipeline (13), and the outer side face of the screw rod (16) is in contact with the inner wall of the pipeline (13).
8. A molding method of the strong magnetic powder molding apparatus as set forth in claim 1, characterized in that: when the magnetic powder feeding device is implemented, magnetic powder is added into a storage hopper (10) from a feeding hopper (9), the air cylinder (2) pushes the lower die (11) to move upwards until the end surface of the upper die (11) is flush with the lower end surface (12) of the upper die, and then the air cylinder stops moving, the third driving device (8) drives the connecting shaft (15) to drive the screw rod (16) to rotate, and the magnetic powder is pushed to be injected into the storage hopper (10) from the storage hopper (10) through the pipeline (13); meanwhile, the second driving device (7) drives the stirrer to stir the powder and scrape the inner wall of the storage hopper (10), and after a certain time, the controller controls
And stopping the third driving device (8), pushing the lower die (11) to continuously move upwards by the air cylinder (2) until the lower die stops after the maximum stroke, and performing press forming, wherein the lower die (11) is driven to move downwards by the air cylinder (2) to artificially take out the magnetic powder forming body.
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| CN202011348855.5A CN112387965A (en) | 2020-11-26 | 2020-11-26 | Strong magnetic powder forming device and method |
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| CN202011348855.5A CN112387965A (en) | 2020-11-26 | 2020-11-26 | Strong magnetic powder forming device and method |
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| CN113145844A (en) * | 2021-03-04 | 2021-07-23 | 上海平野磁气有限公司 | Cloth powder filling device for non-pressure magnetic powder sintering material blank manufacturing machine |
| CN114919118A (en) * | 2022-02-28 | 2022-08-19 | 泉州众志新材料科技有限公司 | Preparation method of cold pressing blank of resin diamond abrasive disc |
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