CN114309601B - Transportation transfer device and transportation method for sintered neodymium iron boron formed blank - Google Patents
Transportation transfer device and transportation method for sintered neodymium iron boron formed blank Download PDFInfo
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- CN114309601B CN114309601B CN202210093969.2A CN202210093969A CN114309601B CN 114309601 B CN114309601 B CN 114309601B CN 202210093969 A CN202210093969 A CN 202210093969A CN 114309601 B CN114309601 B CN 114309601B
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Abstract
The invention discloses a transportation transfer device and a transportation method for sintered neodymium iron boron formed blanks, and belongs to the technical field of transportation transfer equipment. According to the invention, the sealing assembly is opened at the first inserting pipe, the electromagnetic opening assembly is controlled to independently open the first inserting pipe, the pushing assembly pushes helium to move downwards, the helium enters the first inserting pipe through the gas distribution pipe and finally enters the inner cavity of the sintering box, and air can be extruded out from the exhaust valve arranged at the rear side of the sintering box along with the continuous entering of the helium, so that the time required by sintering is reduced, and the production efficiency of the neodymium iron boron is improved.
Description
Technical Field
The invention relates to the technical field of transportation transfer equipment, in particular to a transportation transfer device for sintered neodymium iron boron formed blanks.
Background
The sintered Nd-Fe-B permanent magnet material adopts a powder metallurgy process, the smelted alloy is made into powder and pressed into a pressed blank in a magnetic field, the pressed blank is sintered in inert gas or vacuum to achieve densification, and a transportation transfer device is needed to transport the molded blank into sintering equipment after the blank is molded.
Present transportation transfer device places shaping blank on transportation transfer device mostly when using, then remove shaping blank to sintering equipment department through the removal of transportation transfer device, then put into sintering device with shaping blank through fork truck and sinter, nevertheless in order to avoid the oxidation when the sintering, need guarantee that sintering environment is in state in the vacuum, and shaping blank on the current transportation transfer device is directly placed in the sintering box mostly, can not guarantee to be vacuum environment mostly when putting, consequently still need carry out vacuum treatment with the sintering box and just can sinter when the sintering, the required time of sintering has been increased, the production efficiency of neodymium iron boron has been reduced.
Present transportation transfer equipment is when using, need place the shaping blank after the isostatic compaction in the sintering box and put, but because the size specification of the neodymium iron boron of different production demands is different, when putting, can appear unable shaping blank of placing completely in the sintering box, one side and the inside incomplete contact of sintering box that leads to shaping blank, when the transportation transfer, originated pulling and stop the pulling in the twinkling of an eye, the impact appears between shaping blank and the sintering box inner wall can appear, and because shaping blank is more fragile, can lead to shaping blank to scatter and then scrap when assaulting, thereby the transportation effect of device has been reduced.
The existing transportation transfer equipment is required to take out the sintered formed blank from the sintering device after production is finished, and transport the formed blank to the next process, and the temperature of the formed blank taken out from the sintering device is high, and the heat of the formed blank can be radiated outwards only through the sintering box due to the fact that the formed blank is placed in the sintering box, so that the temperature of the formed blank is still high when the formed blank reaches the next process, and operators can be scalded when taking down the sintered formed blank, thereby reducing the safety of the device.
Disclosure of Invention
The invention aims to provide a transportation transfer device for sintered neodymium iron boron formed blanks, which is used for solving the problems of the defects of the prior art in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a transportation transfer device for sintered neodymium iron boron formed blanks comprises a movable underframe, wherein a limiting strip is fixedly mounted on the top surface of the movable underframe, an electromagnetic strip is fixedly mounted at the left end of the limiting strip, a placing frame is placed in the middle of the limiting strip, a sintering box is placed in an inner cavity of the placing frame, a sealing cover is movably connected to the top surface of the sintering box, a first connecting pipe is fixedly mounted at the left end of the sintering box, a helium tank is fixedly mounted on the top surface of the movable underframe, a pushing assembly is arranged in the middle of the helium tank, a gas distributing pipe is fixedly mounted on the top surface of the movable underframe, a first inserting pipe is fixedly mounted at the right end of the gas distributing pipe, an electromagnetic opening assembly is arranged in an inner cavity of the first inserting pipe, and a sealing assembly is arranged in an inner cavity of the first connecting pipe;
the left end of the inner cavity of the sintering box is movably connected with a pressing strip, the front end and the rear end of the left side surface of the pressing strip are fixedly provided with connecting shafts, the surface of each connecting shaft is movably sleeved with a reset spring, the left side surface of the sintering box is fixedly provided with a second connecting pipe, the inner cavity of the second connecting pipe is movably connected with a pushing shaft, the right end of the gas distribution pipe is fixedly provided with a second inserting pipe, the electromagnetic opening assembly is also arranged in the second inserting pipe, the sealing assembly is also arranged in the second connecting pipe, and the right ends of the first inserting pipe and the second inserting pipe are both provided with square grooves;
the second inserting pipe is independently opened, and helium pushed by the meshing plate enters the second connecting pipe through a square groove formed in the right end of the second inserting pipe, so that the pushing shaft is pushed rightwards, and the pressing strip is driven to move rightwards when the pushing shaft moves rightwards;
the second inserting pipe is independently opened by controlling the electromagnetic opening assembly, when the helium is pushed downwards by the second inserting pipe to move, the helium can be sent into the second connecting pipe through the square groove formed in the right end of the second inserting pipe, the pushing shaft is pushed rightwards in the second connecting pipe, so that the pressing strip is driven to move rightwards, the right end of the pressing strip is in contact with the left side of the formed blank in the sintering box, the formed blank is supported and fixed, the situation that the formed blank is scattered and scrapped due to impact when the device is moved is avoided, and the transportation effect of the device is improved;
the inner cavity of the sintering box is movably connected with a lifting plate, the bottom surface of the inner cavity of the sintering box is fixedly provided with a limiting plate, the left side surface of the sintering box is fixedly provided with a third connecting pipe, the right side surface of the first inserting pipe is fixedly provided with a third inserting pipe, and the electromagnetic opening assembly is also arranged in the third inserting pipe;
after sintering is completed, the placing frame is taken out of the sintering equipment by a forklift, then the placing frame is placed in the middle of the limiting strip, the electromagnetic strip is electrified, the first inserting pipe, the second inserting pipe and the third inserting pipe are respectively inserted into the first connecting pipe, the second connecting pipe and the third connecting pipe, the electromagnetic rings in the first inserting pipe and the second inserting pipe are electrified, the first inserting pipe and the second inserting pipe are opened, the meshing plate moves upwards at the moment, helium in the sintering box and the second connecting pipe is pumped into the helium tank, the helium is recycled, the sealing cover is pulled out to the right side of the top end of the sintering box, then the first inserting pipe and the second inserting pipe are closed, the electromagnetic rings in the third inserting pipe are electrified, the third inserting pipe is opened, the meshing plate moves downwards at the moment, the helium is sent into the lower part of the lifting plate through the third connecting pipe, and the lifting plate moves upwards to push out sintered molded blanks for a certain distance upwards, when the device moves, the flowing air directly contacts with the sintered forming blank to dissipate heat;
after the sealing cover is pulled out, the third inserting pipe is opened by controlling the electromagnetic opening assembly in the third inserting pipe, when the pushing assembly pushes helium in the helium tank into the gas distributing pipe, the helium can enter the lower part of the lifting plate, so that the lifting plate is pushed upwards, most of sintered formed blanks can be exposed in the air, when the device is transported, the air can quickly dissipate the heat of the sintered formed blanks through the contact of the movement of the device and the air, when the formed blanks are taken out in the next procedure, the scalding is avoided, the safety of the device is improved, and the limiting plate is arranged at the bottom of the inner cavity of the sintering box, so that the helium can still enter the lower part of the lifting plate when the lifting plate moves downwards to the lowest point, and the smooth operation of the device is ensured;
the electromagnetic opening assembly comprises an electromagnetic ring, the electromagnetic ring is fixedly arranged at the left ends of the three inner cavities of the first insertion pipe, the second insertion pipe and the third insertion pipe, a fixed magnetic ring is arranged at the left side of the electromagnetic ring, the fixed magnetic ring is fixedly arranged at the left ends of the three inner cavities of the first insertion pipe, the second insertion pipe and the third insertion pipe, and a movable metal plate is movably connected between the electromagnetic ring and the fixed magnetic ring;
electrifying the electromagnetic ring to enable the electromagnetic ring to generate magnetism to pull the movable metal plate to the right to be attached to the electromagnetic ring, so that the inner cavities of the first plug pipe, the second plug pipe or the third plug pipe are in an open state, powering off the electromagnetic ring, and absorbing the movable metal plate to the left by the magnetic force of the fixed magnetic ring at the moment so as to be in contact with the fixed magnetic ring to seal the first plug pipe, the second plug pipe or the third plug pipe;
the movable metal plate is controlled to move right and left by electrifying and powering off the electromagnetic ring, so that the first plug pipe, the second plug pipe and the third plug pipe can be opened independently or in multiple ways, and the automation degree of the device is increased;
the sealing assembly comprises a permanent magnet ring, the permanent magnet ring is fixedly arranged at the left end of an inner cavity of the connecting pipe, a sealing metal plate is arranged on the right side surface of the permanent magnet ring, and the permanent magnet ring is magnetically connected with the sealing metal plate;
electrifying the electromagnetic strip to enable the electromagnetic strip to generate magnetism, pulling the placing rack leftwards, so that the first plug pipe, the second plug pipe and the third plug pipe are respectively plugged in the first connecting pipe, the second connecting pipe and the third connecting pipe, at the moment, the first plug pipe and the second plug pipe are respectively contacted with the sealing metal plate, and the sealing metal plate is pushed rightwards to be separated from the permanent magnetic ring, so that the first connecting pipe and the second connecting pipe are opened;
the sealing metal plate is arranged on the right side of the permanent magnet ring, and the magnetic force between the permanent magnet ring and the sealing metal plate is utilized, so that the sealing metal plate automatically moves to the left to seal the first connecting pipe and the second connecting pipe after the first connecting pipe and the second connecting pipe are drawn out;
the bottom end of the gas distribution pipe is fixedly arranged on the right side of the bottom end of the helium tank, the gas distribution pipe is communicated with the helium tank, and the gas distribution pipe is positioned on the left side of the sintering box;
when the placing frame moves leftwards, the first inserting pipe, the second inserting pipe and the third inserting pipe are respectively inserted into the first connecting pipe, the second connecting pipe and the third connecting pipe, so that the connection precision of the device is improved, and the device is prevented from being damaged;
placing the sintering box and the placing frame together in the middle of the limiting strip, then electrifying the electromagnetic strip to enable the placing frame to drive the sintering box to move left, respectively inserting the first splicing tube, the second splicing tube and the third splicing tube into the first connecting tube, the second connecting tube and the third connecting tube, controlling the electromagnetic opening assembly to independently open the first splicing tube, and when the pushing assembly pushes helium gas to enter the gas distribution tube, enabling the helium gas to enter a pair of inner cavities of the connecting tubes through the square groove formed in the right end of the first splicing tube and finally enter the inner cavity of the sintering box;
after the first plug-in pipe of grafting pipe is in the first connecting pipe, the first plug-in pipe will seal the subassembly and open, and control electromagnetism was opened the subassembly and is opened the first plug-in pipe alone this moment, and the propelling movement subassembly promotes the helium and moves down and get into the first plug-in pipe through the gas distribution pipe in, get into the inner chamber of sintering box at last, along with the continuous entering of helium, can extrude the air from the discharge valve that sintering box rear side set up to reduce the required time of sintering, improved the production efficiency of neodymium iron boron.
Preferably, the front side surface and the rear side surface of the sintering box are both fixedly provided with a positioning strip, the front end and the rear end of the sealing cover are movably connected to the surface of the positioning strip, and the bottom surface of the sealing cover is attached to the top surface of the sintering box;
placing the isostatic-pressing formed blank in an inner cavity of a sintering box from right to left by an operator, sealing the top end of the sintering box by using a sealing cover after the blank is placed, placing the sintering box in a placing frame after the blank is sealed, and then placing the placing frame in the middle of a limiting strip by using a forklift;
set up the location strip through the side at the sintering box, utilize the location strip to carry out the ascending location of vertical side between sealed lid and the sintering box to the realization is to the sealed between sintering box and the sealed lid, avoids the helium to reveal.
Preferably, the pushing assembly comprises a driving motor, the driving motor is fixedly mounted on the top surface of the helium tank, a ball screw is fixedly sleeved at the output end of the driving motor, an engagement plate is engaged on the surface of the ball screw, guide strips are movably connected to the left end and the right end of the engagement plate, and the guide strips are fixedly mounted at the front end and the rear end of the inner cavity of the helium tank;
starting a driving motor, driving the ball screw to rotate by the driving motor, driving the meshing plate to move downwards when the ball screw rotates, pushing helium below the meshing plate to a gas distribution pipe, and finally respectively entering a sintering box, a connecting pipe II and a connecting pipe III through a first splicing pipe, a second splicing pipe or a third splicing pipe;
through the meshing of ball and meshing board, can realize that accurate control meshing board shifts up or moves down to the realization is with accurate bottom with the helium gas suction or release helium gas pitcher, sets up the gib block simultaneously, can fix a position and lead the motion of meshing board, avoids the meshing board skew or crooked to appear, has guaranteed the smooth operation of device.
Preferably, the left end and the right end of the reset spring are respectively and fixedly arranged at the left end of the connecting shaft and the left side surface of the sintering box, and the right end of the pushing shaft is fixedly arranged in the middle of the left side surface of the pressing bar;
after the helium in the second connecting pipe is pumped out, the return spring in the compressed state can drive the connecting shaft to move leftwards under the elasticity, so that the pressing strip is pulled to move leftwards;
the pressing strips can be automatically reset after helium is pumped out, the formed blank can be conveniently placed next time, and the production efficiency of the neodymium iron boron is improved.
Preferably, the method comprises the following steps
The first step is as follows: placing the isostatic-pressing formed blank in an inner cavity of a sintering box from right to left by an operator, sealing the top end of the sintering box by using a sealing cover after the blank is placed, placing the sintering box in a placing frame after the blank is sealed, and then placing the placing frame in the middle of a limiting strip by using a forklift;
the second step is that: electrifying the electromagnetic strip to enable the electromagnetic strip to generate magnetism, pulling the placing frame leftwards, so that the first inserting pipe, the second inserting pipe and the third inserting pipe are respectively inserted into the first connecting pipe, the second connecting pipe and the third connecting pipe, at the moment, the first inserting pipe and the second inserting pipe are respectively contacted with the sealing metal plate, and the sealing metal plate is pushed rightwards to be separated from the permanent magnetic ring, so that the first connecting pipe and the second connecting pipe are opened;
the third step: electrifying the electromagnetic ring in the second plug pipe to enable the electromagnetic ring to generate magnetism to pull the movable metal plate to the right to be attached to the electromagnetic ring, wherein the inner cavity of the second plug pipe is in an open state, and the first plug pipe and the third plug pipe are in a closed state;
the fourth step: starting a driving motor, driving the ball screw to rotate by the driving motor, driving the meshing plate to move downwards when the ball screw rotates, pushing helium below the meshing plate to the gas distribution pipe, so that the helium enters the second connecting pipe through a square groove formed in the right end of the second inserting pipe, pushing the pushing shaft to the right, driving the pressing strips to move to the right when the pushing shaft moves to the right, filling a gap between the inner cavity of the sintering box and the formed blank, and compressing the formed blank;
the fifth step: powering off an electromagnetic ring in the second inserting pipe, absorbing the movable metal plate leftwards by the magnetic force of the fixed magnetic ring at the moment, contacting with the fixed magnetic ring to seal the second inserting pipe, then powering on the electromagnetic ring in the first inserting pipe, opening the first inserting pipe, pushing helium into the first connecting pipe through the first inserting pipe when the meshing plate moves downwards, and finally entering an inner cavity of the sintering box, wherein air can be extruded out of an exhaust valve arranged at the rear side of the sintering box along with the continuous entering of the helium;
sixthly, moving the device to a sintering device, then powering off the electromagnetic strip, pulling the placing frame to the right by using a forklift, then moving the placing frame upwards to take out the placing frame from the middle part of the limiting strip, and sending the placing frame into the sintering device, when the placing frame moves to the right, moving the first inserting pipe, the second inserting pipe and the third inserting pipe out of the left ends of the first connecting pipe, the second connecting pipe and the third connecting pipe respectively, after moving out, pulling the sealing metal plate to the left by the magnetism of the permanent magnet ring, and attaching the sealing metal plate to the permanent magnet ring, so that the first connecting pipe and the second connecting pipe are sealed;
the seventh step: after sintering is finished, the placing frame is taken out of the sintering equipment by a forklift, then the placing frame is placed in the middle of the limiting strip, the electromagnetic strip is electrified, the first inserting pipe, the second inserting pipe and the third inserting pipe are respectively inserted into the first connecting pipe, the second connecting pipe and the third connecting pipe, the electromagnetic rings in the first inserting pipe and the second inserting pipe are electrified at the moment, the first inserting pipe and the second inserting pipe are opened, the meshing plate moves upwards at the moment, helium in the sintering box and the second connecting pipe is pumped into a helium tank, and the helium is recycled;
eighth step: and the sealing cover is pulled out of the top end of the sintering box rightwards, the first inserting pipe and the second inserting pipe are closed, the electromagnetic ring in the third inserting pipe is electrified, so that the third inserting pipe is opened, the meshing plate moves downwards at the moment, helium is sent into the lower part of the lifting plate through the third connecting pipe, the lifting plate moves upwards to push out the sintered forming blank for a certain distance, and when the device moves, flowing air directly contacts with the sintered forming blank to dissipate heat.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, after the first inserting pipe is inserted into the first connecting pipe, the first inserting pipe opens the sealing assembly, the electromagnetic opening assembly is controlled to independently open the first inserting pipe, the pushing assembly pushes helium to move downwards to enter the first inserting pipe through the gas distribution pipe and finally enter the inner cavity of the sintering box, and along with continuous entering of the helium, air can be extruded out of the exhaust valve arranged at the rear side of the sintering box, so that the time required by sintering is shortened, and the production efficiency of the neodymium iron boron is improved.
2. According to the invention, the electromagnetic opening assembly is controlled to independently open the second inserting pipe, when the helium is pushed downwards by the second inserting pipe to move, the helium can be fed into the second connecting pipe through the square groove formed in the right end of the second inserting pipe, and the pushing shaft is pushed rightwards in the second connecting pipe, so that the pressing strip is driven to move rightwards, the right end of the pressing strip is in contact with the left side of the formed blank in the sintering box, the formed blank is supported and fixed, the situation that the formed blank is scattered and scrapped due to impact when the device is moved is avoided, and the transportation effect of the device is improved.
3. According to the invention, after the sealing cover is pulled out, the third inserting pipe is opened by controlling the electromagnetic opening assembly in the third inserting pipe, when the pushing assembly pushes helium in the helium tank into the gas distributing pipe, the helium can enter the lower part of the lifting plate, so that the lifting plate is pushed upwards, most of sintered formed blanks can be exposed in the air, and when the device is transported, the sintered formed blanks can be rapidly radiated by the air through the contact of the movement of the device and the air, when the formed blanks are taken out in the next procedure, the scalding condition is avoided, and the safety of the device is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structural sintered compact connection of the present invention;
FIG. 3 is a schematic view of the push assembly of the present invention;
FIG. 4 is a schematic view of an exploded electrical magnetic stripe according to the present invention;
FIG. 5 is an enlarged view of the point A in FIG. 4;
FIG. 6 is a schematic view of the connection of the second insertion pipe according to the present invention;
FIG. 7 is an enlarged view of the point B in FIG. 6;
FIG. 8 is a schematic view of the explosion-proof connection of the sealing cover of the present invention;
FIG. 9 is a schematic cross-sectional view of a structural sinter box of the invention;
FIG. 10 is an enlarged view of the point C in FIG. 9.
In the drawings, the components represented by the respective reference numerals are listed below:
1. moving the chassis; 2. a closure assembly; 201. a permanent magnet ring; 202. sealing the metal plate; 3. a limiting strip; 4. an electric magnetic strip; 5. placing a rack; 6. sintering the box; 7. a positioning bar; 8. a sealing cover; 9. a first connecting pipe; 10. a helium tank; 11. a push assembly; 111. a drive motor; 112. a ball screw; 113. an engaging plate; 114. a guide strip; 12. a gas distributing pipe; 13. inserting a first inserting pipe; 14. an electromagnetic opening assembly; 141. an electromagnetic ring; 142. fixing a magnetic ring; 143. moving the metal plate; 15. layering; 16. a connecting shaft; 17. a return spring; 18. a second connecting pipe; 19. pushing the shaft; 20. a second plug pipe; 21. a lifting plate; 22. a limiting plate; 23. a third connecting pipe; 24. and a third inserting pipe.
Detailed Description
Referring to fig. 1-10, the present invention provides a technical solution: a transportation transfer device for sintered neodymium iron boron formed blanks comprises a movable underframe 1, wherein a limiting strip 3 is fixedly mounted on the top surface of the movable underframe 1, an electric magnetic strip 4 is fixedly mounted at the left end of the limiting strip 3, a placing frame 5 is placed in the middle of the limiting strip 3, a sintering box 6 is placed in the inner cavity of the placing frame 5, a sealing cover 8 is movably connected to the top surface of the sintering box 6, a first connecting pipe 9 is fixedly mounted at the left end of the sintering box 6, a helium tank 10 is fixedly mounted on the top surface of the movable underframe 1, a pushing assembly 11 is arranged in the middle of the helium tank 10, a gas distributing pipe 12 is fixedly mounted on the top surface of the movable underframe 1, a first inserting pipe 13 is fixedly mounted at the right end of the gas distributing pipe 12, an electromagnetic opening assembly 14 is arranged in the inner cavity of the first inserting pipe 13, and a sealing assembly 2 is arranged in the inner cavity of the first connecting pipe 9;
the left end of the inner cavity of the sintering box 6 is movably connected with a pressing strip 15, the front end and the rear end of the left side surface of the pressing strip 15 are both fixedly provided with a connecting shaft 16, the surface of the connecting shaft 16 is movably sleeved with a return spring 17, the left side surface of the sintering box 6 is fixedly provided with a connecting pipe II 18, the inner cavity of the connecting pipe II 18 is movably connected with a pushing shaft 19, the right end of the gas distribution pipe 12 is fixedly provided with an inserting pipe II 20, the electromagnetic opening assembly 14 is also arranged in the inserting pipe II 20, the sealing assembly 2 is also arranged in the connecting pipe II 18, and the right ends of the inserting pipe I13 and the inserting pipe II 20 are both provided with square grooves;
the second inserting pipe 20 is opened independently, helium pushed by the meshing plate 113 enters the second connecting pipe 18 through a square groove formed in the right end of the second inserting pipe 20, so that the pushing shaft 19 is pushed rightwards, and the pressing strip 15 is driven to move rightwards when the pushing shaft 19 moves rightwards;
the second inserting pipe 20 is independently opened by controlling the electromagnetic opening assembly 14, when the first inserting pipe 13 pushes the helium downwards to move, the helium can be sent into the second connecting pipe 18 through a square groove formed in the right end of the second inserting pipe 20, and the pushing shaft 19 is pushed rightwards in the second connecting pipe 18, so that the pressing strip 15 is driven to move rightwards, the right end of the pressing strip 15 is in contact with the left side of the formed blank in the sintering box 6, the formed blank is supported and fixed, the situation that the formed blank is scattered and scrapped due to impact when the device is moved is avoided, and the transportation effect of the device is improved;
the inner cavity of the sintering box 6 is movably connected with a lifting plate 21, the bottom surface of the inner cavity of the sintering box 6 is fixedly provided with a limiting plate 22, the left side surface of the sintering box 6 is fixedly provided with a third connecting pipe 23, the right side surface of the first inserting pipe 13 is fixedly provided with a third inserting pipe 24, and the electromagnetic opening assembly 14 is also arranged in the third inserting pipe 24;
after sintering, the placing frame 5 is taken out of the sintering equipment by a forklift, then the placing frame is placed in the middle of the limiting strip 3, the electromagnetic strip 4 is electrified, the first inserting pipe 13, the second inserting pipe 20 and the third inserting pipe 24 are respectively inserted into the first connecting pipe 9, the second connecting pipe 18 and the third connecting pipe 23, the electromagnetic rings 141 in the first inserting pipe 13 and the second inserting pipe 20 are electrified, the first inserting pipe 13 and the second inserting pipe 20 are opened, the meshing plate 113 moves upwards at the moment, helium in the sintering box 6 and the second connecting pipe 18 is pumped into the helium tank 10, the helium is recycled, the sealing cover 8 is pumped out of the top end of the sintering box 6 rightwards, then the first inserting pipe 13 and the second inserting pipe 20 are closed, the electromagnetic rings 141 in the third inserting pipe 24 are electrified, the third inserting pipe 24 is opened, the meshing plate 113 moves downwards at the moment, and the helium is sent to the lower part of the lifting plate 21 through the third connecting pipe 23, so that the lifting plate 21 moves upwards to push the sintered formed blank out a certain distance upwards, and when the device moves, the flowing air directly contacts with the sintered formed blank to dissipate heat;
after the sealing cover 8 is pulled out, the three plug-in pipes 24 are opened by controlling the electromagnetic opening assembly 14 in the three plug-in pipes 24, when the pushing assembly 11 pushes helium in the helium tank 10 into the gas distribution pipe 12, the helium can enter the lower part of the lifting plate 21, so that the lifting plate 21 is pushed upwards, most of sintered formed blanks can be exposed in the air, when the device is transported, the air can quickly dissipate the heat of the sintered formed blanks through the contact between the movement of the device and the air, when the formed blanks are taken out in the next procedure, the scalding is avoided, the safety of the device is improved, and the limiting plate 22 is arranged at the bottom of the inner cavity of the sintering box 6, so that the helium can still enter the lower part of the lifting plate 21 when the lifting plate 21 moves downwards to the lowest point, and the smooth operation of the device is ensured;
the electromagnetic opening assembly 14 comprises an electromagnetic ring 141, the electromagnetic ring 141 is fixedly arranged at the left ends of the inner cavities of the first plug pipe 13, the second plug pipe 20 and the third plug pipe 24, a fixed magnetic ring 142 is arranged at the left side of the electromagnetic ring 141, the fixed magnetic ring 142 is fixedly arranged at the left ends of the inner cavities of the first plug pipe 13, the second plug pipe 20 and the third plug pipe 24, and a movable metal plate 143 is movably connected between the middle parts of the electromagnetic ring 141 and the fixed magnetic ring 142;
electrifying the electromagnetic ring 141 to enable the electromagnetic ring 141 to generate magnetism to pull the movable metal plate 143 to the right to be attached to the electromagnetic ring 141, so that the inner cavity of the first plug-in pipe 13, the second plug-in pipe 20 or the third plug-in pipe 24 is in an open state, powering off the electromagnetic ring 141, adsorbing the movable metal plate 143 to the left by the magnetic force of the fixed magnetic ring 142 at the moment, and contacting the fixed magnetic ring 142 to seal the first plug-in pipe 13, the second plug-in pipe 20 or the third plug-in pipe 24;
the movable metal plate 143 is controlled to move to the right and left by powering on and powering off the electromagnetic ring 141, so that the first plug pipe 13, the second plug pipe 20 and the third plug pipe 24 can be opened individually or in multiple ways, and the automation degree of the device is increased.
The sealing assembly 2 comprises a permanent magnet ring 201, the permanent magnet ring 201 is fixedly installed at the left end of the inner cavity of the first connecting pipe 9, a sealing metal plate 202 is arranged on the right side face of the permanent magnet ring 201, and the permanent magnet ring 201 is magnetically connected with the sealing metal plate 202;
electrifying the electromagnetic strip 4 to enable the electromagnetic strip 4 to generate magnetism, pulling the placing frame 5 leftwards, so that the first inserting pipe 13, the second inserting pipe 20 and the third inserting pipe 24 are respectively inserted into the first connecting pipe 9, the second connecting pipe 18 and the third connecting pipe 23, at the moment, the first inserting pipe 13 and the second inserting pipe 20 are respectively contacted with the sealing metal plate 202, and the sealing metal plate 202 is pushed rightwards to be separated from the permanent magnetic ring 201, so that the first connecting pipe 9 and the second connecting pipe 18 are opened;
by arranging the sealing metal plate 202 on the right side of the permanent magnet ring 201 and utilizing the magnetic force between the permanent magnet ring 201 and the sealing metal plate 202, the sealing metal plate 202 can automatically move left to seal the first connecting pipe 9 and the second connecting pipe 18 after the first inserting pipe 13 and the second inserting pipe 20 are drawn out of the first connecting pipe 9 and the second connecting pipe 18.
Wherein, the bottom end of the gas distributing pipe 12 is fixedly arranged at the right side of the bottom end of the helium tank 10, the gas distributing pipe 12 is communicated with the helium tank 10, and the gas distributing pipe 12 is positioned at the left side of the sintering box 6;
when the placing frame 5 moves leftwards, the first inserting pipe 13, the second inserting pipe 20 and the third inserting pipe 24 are respectively inserted into the first connecting pipe 9, the second connecting pipe 18 and the third connecting pipe 23, so that the connection precision of the device is improved, and the device is prevented from being damaged;
placing the sintering box 6 and the placing frame 5 together in the middle of the limiting strip 3, then electrifying the electromagnetic strip 4 to enable the placing frame 5 to drive the sintering box 6 to move left, respectively inserting the first inserting pipe 13, the second inserting pipe 20 and the third inserting pipe 24 into the first connecting pipe 9, the second connecting pipe 18 and the third connecting pipe 23, controlling the electromagnetic opening assembly 14 to independently open the first inserting pipe 13 at the moment, and when the pushing assembly 11 pushes helium gas to enter the gas distributing pipe 12, enabling the helium gas to enter an inner cavity of the sintering box 6 through the first connecting pipe 9 pairs of inner cavities through the square groove formed in the right end of the first inserting pipe 13;
after inserting in connecting pipe 9 at a grafting pipe 13, a grafting pipe 13 is opened closing component 2, control electromagnetism opening component 14 this moment opens alone a grafting pipe 13, in propelling movement subassembly 11 promoted helium downstream and gets into a grafting pipe 13 through gas-distributing pipe 12, get into sintering box 6's inner chamber at last, along with the continuous entering of helium, can extrude the discharge valve that the air set up from sintering box 6 rear side, thereby the required time of sintering has been reduced, neodymium iron boron's production efficiency has been improved.
The front side surface and the rear side surface of the sintering box 6 are both fixedly provided with positioning strips 7, the front end and the rear end of a sealing cover 8 are movably connected to the surfaces of the positioning strips 7, and the bottom surface of the sealing cover 8 is attached to the top surface of the sintering box 6;
an operator places the isostatic-pressing formed blank in the inner cavity of the sintering box 6 from right to left, after the placement is finished, the top end of the sintering box 6 is sealed by using the sealing cover 8, after the sealing, the sintering box 6 is placed in the placing frame 5, and then the placing frame 5 is placed in the middle of the limiting strip 3 by using a forklift;
through set up location strip 7 in the side of sintering box 6, utilize location strip 7 to carry out the ascending location of vertical side between sealed lid 8 and the sintering box 6 to the realization is to sintering box 6 and sealed between 8 sealedly, avoids the helium to reveal.
The pushing assembly 11 comprises a driving motor 111, the driving motor 111 is fixedly mounted on the top surface of the helium tank 10, the output end of the driving motor 111 is fixedly sleeved with a ball screw 112, the surface of the ball screw 112 is engaged with an engagement plate 113, the left end and the right end of the engagement plate 113 are movably connected with guide strips 114, and the guide strips 114 are fixedly mounted at the front end and the rear end of the inner cavity of the helium tank 10;
starting the driving motor 111, driving the ball screw 112 to rotate by the driving motor 111, driving the meshing plate 113 to move downwards when the ball screw 112 rotates, pushing the helium below the meshing plate 113 to the gas distribution pipe 12, and finally respectively entering the sintering box 6, the connecting pipe II 18 and the connecting pipe III 23 through the first inserting pipe 13, the second inserting pipe 20 or the third inserting pipe 24;
through the meshing of ball 112 and meshing board 113, can realize that accurate control meshing board 113 moves up or moves down to the realization is with accurate bottom with helium gas suction or release helium gas pitcher 10, sets up gib block 114 simultaneously, can fix a position and lead the motion of meshing board 113, avoids meshing board 113 skew or skew to appear, has guaranteed the smooth operation of device.
Wherein, the left end and the right end of the return spring 17 are respectively fixedly arranged at the left end of the connecting shaft 16 and the left side surface of the sintering box 6, and the right end of the pushing shaft 19 is fixedly arranged in the middle of the left side surface of the pressing bar 15;
after the helium in the second connecting pipe 18 is pumped out, the return spring 17 in the compressed state can drive the connecting shaft 16 to move leftwards under elasticity, so that the pressing strip 15 is pulled to move leftwards;
after the helium is pumped out, the pressing strips 15 can be automatically reset, the formed blank can be conveniently placed next time, and the production efficiency of the neodymium iron boron is improved.
Wherein, the method comprises the following steps
The first step is as follows: an operator places the isostatic-pressing formed blank in the inner cavity of the sintering box 6 from right to left, after the placement is finished, the top end of the sintering box 6 is sealed by using the sealing cover 8, after the sealing, the sintering box 6 is placed in the placing frame 5, and then the placing frame 5 is placed in the middle of the limiting strip 3 by using a forklift;
the second step is that: electrifying the electromagnetic strip 4 to enable the electromagnetic strip 4 to generate magnetism, pulling the placing frame 5 leftwards, so that the first inserting pipe 13, the second inserting pipe 20 and the third inserting pipe 24 are respectively inserted into the first connecting pipe 9, the second connecting pipe 18 and the third connecting pipe 23, at the moment, the first inserting pipe 13 and the second inserting pipe 20 are respectively contacted with the sealing metal plate 202, and the sealing metal plate 202 is pushed rightwards to be separated from the permanent magnetic ring 201, so that the first connecting pipe 9 and the second connecting pipe 18 are opened;
the third step: electrifying the electromagnetic ring 141 in the second plug-in pipe 20, enabling the electromagnetic ring 141 to generate magnetism, and pulling the movable metal plate 143 to the right to be attached to the electromagnetic ring 141, wherein the inner cavity of the second plug-in pipe 20 is in an open state, and the first plug-in pipe 13 and the third plug-in pipe 24 are in a closed state;
the fourth step: the driving motor 111 is started, the driving motor 111 drives the ball screw 112 to rotate, the ball screw 112 drives the meshing plate 113 to move downwards when rotating, helium below the meshing plate 113 is pushed to the gas distribution pipe 12, and then enters the second connecting pipe 18 through the square groove formed in the right end of the second inserting pipe 20, so that the pushing shaft 19 is pushed rightwards, the pushing shaft 19 drives the pressing strip 15 to move rightwards when moving rightwards, and therefore gaps between the inner cavity of the sintering box 6 and the formed blank are filled, and the formed blank is compressed;
the fifth step: powering off the electromagnetic ring 141 in the second plug-in pipe 20, absorbing the movable metal plate 143 leftward by the magnetic force of the fixed magnetic ring 142 at this time, so as to be in contact with the fixed magnetic ring 142 to seal the second plug-in pipe 20, then powering on the electromagnetic ring 141 in the first plug-in pipe 13 to open the first plug-in pipe 13, pushing helium into the first connecting pipe 9 through the first plug-in pipe 13 when the meshing plate 113 moves downward, and finally entering an inner cavity of the sintering box 6, wherein air can be extruded out of an exhaust valve arranged at the rear side of the sintering box 6 along with continuous entering of the helium;
sixthly, moving the device to a sintering device, then powering off the electromagnetic strip 4, pulling the placing frame 5 rightwards by using a forklift, then moving upwards to take out the placing frame from the middle part of the limiting strip 3 and sending the placing frame into the sintering device, when the placing frame 5 moves rightwards, moving the first inserting pipe 13, the second inserting pipe 20 and the third inserting pipe 24 out of the left ends of the first connecting pipe 9, the second connecting pipe 18 and the third connecting pipe 23 respectively, after moving out, pulling the sealing metal plate 202 leftwards by the magnetism of the permanent magnet ring 201 to enable the sealing metal plate 202 to be attached to the permanent magnet ring 201, and thus sealing the first connecting pipe 9 and the second connecting pipe 18;
the seventh step: after sintering is completed, the placing frame 5 is taken out of the sintering equipment by a forklift, then the placing frame is placed in the middle of the limiting strip 3, the electromagnetic strip 4 is electrified, the first inserting pipe 13, the second inserting pipe 20 and the third inserting pipe 24 are respectively inserted into the first connecting pipe 9, the second connecting pipe 18 and the third connecting pipe 23, the electromagnetic rings 141 in the first inserting pipe 13 and the second inserting pipe 20 are electrified, the first inserting pipe 13 and the second inserting pipe 20 are opened, the meshing plate 113 moves upwards at the moment, helium in the sintering box 6 and the second connecting pipe 18 is pumped into the helium tank 10, and the helium is recycled;
eighth step: the sealing cover 8 is pulled out of the top end of the sintering box 6 rightwards, then the first inserting pipe 13 and the second inserting pipe 20 are closed, the electromagnetic ring 141 in the third inserting pipe 24 is electrified, the third inserting pipe 24 is opened, at the moment, the meshing plate 113 moves downwards, helium is sent to the lower portion of the lifting plate 21 through the third connecting pipe 23, the lifting plate 21 moves upwards to push the sintered forming blank out for a distance, and when the device moves, flowing air directly contacts with the sintered forming blank to dissipate heat.
Claims (5)
1. The utility model provides a transportation transfer device of sintered neodymium iron boron shaping blank, is including removing chassis (1), its characterized in that: the top surface of the movable underframe (1) is fixedly provided with a limit strip (3), the left end of the limit strip (3) is fixedly provided with an electric magnetic strip (4), a placing rack (5) is placed in the middle of the limiting strip (3), a sintering box (6) is placed in the inner cavity of the placing rack (5), the top surface of the sintering box (6) is movably connected with a sealing cover (8), the left end of the sintering box (6) is fixedly provided with a first connecting pipe (9), a helium tank (10) is fixedly arranged on the top surface of the movable underframe (1), a pushing assembly (11) is arranged in the middle of the helium tank (10), a gas distribution pipe (12) is fixedly arranged on the top surface of the movable underframe (1), a first inserting pipe (13) is fixedly arranged at the right end of the gas distribution pipe (12), an electromagnetic opening component (14) is arranged in the inner cavity of the first inserting pipe (13), and a sealing component (2) is arranged in the inner cavity of the first connecting pipe (9);
the left end of the inner cavity of the sintering box (6) is movably connected with a pressing strip (15), the front end and the rear end of the left side surface of the pressing strip (15) are fixedly provided with connecting shafts (16), the surface of each connecting shaft (16) is movably sleeved with a return spring (17), the left side surface of the sintering box (6) is fixedly provided with a second connecting pipe (18), the inner cavity of the second connecting pipe (18) is movably connected with a pushing shaft (19), the right end of the gas distributing pipe (12) is fixedly provided with a second inserting pipe (20), the electromagnetic opening assembly (14) is also arranged in the second inserting pipe (20), the sealing assembly (2) is also arranged in the second connecting pipe (18), and the right ends of the first inserting pipe (13) and the second inserting pipe (20) are both provided with square grooves;
the inner cavity of the sintering box (6) is movably connected with a lifting plate (21), the bottom surface of the inner cavity of the sintering box (6) is fixedly provided with a limiting plate (22), the left side surface of the sintering box (6) is fixedly provided with a third connecting pipe (23), the right side surface of the first plug-in pipe (13) is fixedly provided with a third plug-in pipe (24), and the electromagnetic opening assembly (14) is also arranged in the third plug-in pipe (24);
the electromagnetic opening assembly (14) comprises an electromagnetic ring (141), the electromagnetic ring (141) is fixedly installed at the left end of the inner cavity of the first plug-in pipe (13), the second plug-in pipe (20) and the third plug-in pipe (24), a fixed magnetic ring (142) is arranged on the left side of the electromagnetic ring (141), the fixed magnetic ring (142) is fixedly installed at the left end of the inner cavity of the first plug-in pipe (13), the second plug-in pipe (20) and the third plug-in pipe (24), and a movable metal plate (143) is movably connected to the middle parts of the electromagnetic ring (141) and the fixed magnetic ring (142);
the sealing assembly (2) comprises a permanent magnet ring (201), the permanent magnet ring (201) is fixedly installed at the left end of the inner cavity of the first connecting pipe (9), a sealing metal plate (202) is arranged on the right side surface of the permanent magnet ring (201), and the permanent magnet ring (201) is magnetically connected with the sealing metal plate (202);
the bottom end of the gas distribution pipe (12) is fixedly installed on the right side of the bottom end of the helium tank (10), the gas distribution pipe (12) is communicated with the helium tank (10), and the gas distribution pipe (12) is located on the left side of the sintering box (6).
2. The transportation transfer device of sintered neodymium iron boron shaping blank of claim 1, characterized in that: the sintering box is characterized in that positioning strips (7) are fixedly mounted on the front side face and the rear side face of the sintering box (6), the front end and the rear end of each sealing cover (8) are movably connected to the surfaces of the positioning strips (7), and the bottom face of each sealing cover (8) is attached to the top face of the sintering box (6).
3. The transportation transfer device of the sintered neodymium iron boron formed blank according to claim 2, characterized in that: propelling movement subassembly (11) are including driving motor (111), driving motor (111) fixed mounting is on the top surface of helium gas jar (10), the fixed cover of output of driving motor (111) has been connected ball (112), the surface meshing of ball (112) has meshing board (113), both ends swing joint has guide strip (114) about meshing board (113), both ends around guide strip (114) fixed mounting is at helium gas jar (10) inner chamber.
4. The transportation transfer device of sintered neodymium iron boron shaping blank of claim 3 characterized in that: the left end and the right end of the reset spring (17) are respectively and fixedly arranged at the left end of the connecting shaft (16) and the left side surface of the sintering box (6), and the right end of the pushing shaft (19) is fixedly arranged in the middle of the left side surface of the pressing strip (15).
5. The transportation method of the transportation transfer device for the sintered neodymium-iron-boron formed blank according to claim 4, characterized in that: comprises the following steps
The first step is as follows: an operator places the isostatic-pressing formed blank in an inner cavity of the sintering box (6) from right to left, after the placement is finished, the top end of the sintering box (6) is sealed by using a sealing cover (8), after the sealing is finished, the sintering box (6) is placed in the placing frame (5), and then the placing frame (5) is placed in the middle of the limiting strip (3) by using a forklift;
the second step is that: electrifying the electric magnetic stripe (4), enabling the electric magnetic stripe (4) to generate magnetism, pulling the placing rack (5) leftwards, so that the first plug pipe (13), the second plug pipe (20) and the third plug pipe (24) are respectively plugged in the first connecting pipe (9), the second connecting pipe (18) and the third connecting pipe (23), at the moment, the first plug pipe (13) and the second plug pipe (20) are respectively contacted with the sealing metal plate (202), and the sealing metal plate (202) is pushed rightwards to be separated from the permanent magnetic ring (201), so that the first connecting pipe (9) and the second connecting pipe (18) are opened;
the third step: electrifying the electromagnetic ring (141) in the second plug-in pipe (20) to enable the electromagnetic ring (141) to generate magnetism to pull the movable metal plate (143) to the right to be attached to the electromagnetic ring (141), wherein the inner cavity of the second plug-in pipe (20) is in an open state, and the first plug-in pipe (13) and the third plug-in pipe (24) are in a closed state;
the fourth step: the driving motor (111) is started, the driving motor (111) drives the ball screw (112) to rotate, the ball screw (112) drives the meshing plate (113) to move downwards when rotating, helium below the meshing plate (113) is pushed to the gas distribution pipe (12), and then enters the second connecting pipe (18) through a square groove formed in the right end of the second inserting pipe (20), so that the pushing shaft (19) is pushed rightwards, the pressing strip (15) is driven to move rightwards when the pushing shaft (19) moves rightwards, and gaps between the inner cavity of the sintering box (6) and the formed blanks are filled, and the formed blanks are compressed;
the fifth step: powering off an electromagnetic ring (141) in a second plug-in pipe (20), adsorbing a moving metal plate (143) leftwards by the magnetic force of a fixed magnetic ring (142) at the moment, so that the moving metal plate is in contact with the fixed magnetic ring (142) to seal the second plug-in pipe (20), then powering on the electromagnetic ring (141) in the first plug-in pipe (13), opening the first plug-in pipe (13), pushing helium into a first connecting pipe (9) through the first plug-in pipe (13) when an engagement plate (113) moves downwards, and finally entering an inner cavity of a sintering box (6), wherein air can be extruded out of an exhaust valve arranged at the rear side of the sintering box (6) along with continuous entering of the helium;
sixthly, moving the device to a sintering device, then powering off the electric magnetic strip (4), pulling the placement frame (5) to the right by using a forklift, then moving the placement frame upwards to take out the placement frame from the middle part of the limiting strip (3), and sending the placement frame into the sintering device, when the placement frame (5) moves to the right, moving the first insertion pipe (13), the second insertion pipe (20) and the third insertion pipe (24) out of the left ends of the first connecting pipe (9), the second connecting pipe (18) and the third connecting pipe (23), respectively, after moving out, pulling the sealing metal plate (202) to the left by the magnetism of the permanent magnet ring (201), enabling the sealing metal plate (202) to be attached to the permanent magnet ring (201), and further sealing the first connecting pipe (9) and the second connecting pipe (18);
the seventh step: after sintering is completed, the placing frame (5) is taken out of the sintering equipment by a forklift, then the placing frame is placed in the middle of the limiting strip (3), the electric magnetic strip (4) is electrified, the first plug-in pipe (13), the second plug-in pipe (20) and the third plug-in pipe (24) are respectively plugged in the first connecting pipe (9), the second connecting pipe (18) and the third connecting pipe (23), the electric magnetic rings (141) in the first plug-in pipe (13) and the second plug-in pipe (20) are electrified, the first plug-in pipe (13) and the second plug-in pipe (20) are opened, the engaging plate (113) moves upwards at the moment, helium in the sintering box (6) and the second connecting pipe (18) is pumped into the helium tank (10), and the helium is recycled;
eighth step: the sealing cover (8) is pulled out of the top end of the sintering box (6) rightwards, then the first inserting pipe (13) and the second inserting pipe (20) are closed, the electromagnetic ring (141) in the third inserting pipe (24) is electrified, the third inserting pipe (24) is opened, the meshing plate (113) moves downwards at the moment, helium is sent to the lower part of the lifting plate (21) through the third connecting pipe (23), the lifting plate (21) moves upwards to push the sintered forming blank out for a certain distance, and when the device moves, flowing air directly contacts with the sintered forming blank to dissipate heat.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210093969.2A CN114309601B (en) | 2022-01-26 | 2022-01-26 | Transportation transfer device and transportation method for sintered neodymium iron boron formed blank |
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| CN202210093969.2A CN114309601B (en) | 2022-01-26 | 2022-01-26 | Transportation transfer device and transportation method for sintered neodymium iron boron formed blank |
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| US20140127072A1 (en) * | 2012-11-08 | 2014-05-08 | Shenyang General Magnetic Co., Ltd | Continuous sintering method for rare earth permanent magnetic alloy and equipment therefor |
| CN203481039U (en) * | 2013-09-06 | 2014-03-12 | 宁波韵升股份有限公司 | Sintering box for preparing spliced and sintered neodymium-iron-boron permanent magnet blank |
| CN203665312U (en) * | 2013-11-26 | 2014-06-25 | 宁波科宁达工业有限公司 | Sintered Nd-Fe-B compact storage box |
| CN107857129B (en) * | 2017-09-29 | 2019-09-10 | 宁波韵升股份有限公司 | A kind of the code material and transferring system of sintering and molding neodymium iron boron blank |
| CN209802072U (en) * | 2019-04-22 | 2019-12-17 | 宁德市星宇科技有限公司 | Sintered neodymium iron boron magnet pressed compact bin |
| CN111795569A (en) * | 2020-06-30 | 2020-10-20 | 宁波元辰新材料有限公司 | Neodymium iron boron vacuum sintering furnace |
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