Production equipment and process of NdFeB magnets

Abstract

The present invention relates to the technical field of magnet production equipment, and discloses production equipment and process for NdFeB magnets, including: a base, a forming cylinder is vertically fixedly connected at the top center thereof, a loading frame is arranged above the forming cylinder, and the bottom two ends of the loading frame are fixedly mounted on the outer wall of the base; and also includes: a lifting platform, which is arranged on the inner side of the upper part of the loading frame, a horizontal second moving platform is fixedly connected to the side wall of the lifting platform, and the second moving platform is embedded on the side wall of the loading frame to form a sliding limit structure, and a threaded driving screw is installed through the second moving platform, and the driving screw is rotatably installed through one side of the lifting platform. The production equipment and process for NdFeB magnets are provided with a magnet pressing structure with dislocation deformation, and the amount of magnet raw materials can be quickly adjusted during the pressing process of the device, and the device can process magnets of different sizes according to user needs.

Description

Technical Field

[0001] The invention relates to the technical field of magnet production equipment, in particular to production equipment and technology for NdFeB magnets. Background Art

[0002] In the production process of NdFeB magnets, the raw materials of the magnets need to be pressed into shape by pressing equipment, then sintered by a sintering furnace, and then surface polishing and other operations are performed. However, there are still some problems with the existing magnet production equipment:

[0003] For example, a multi-station pressing device for producing NdFeB magnets with publication number CN112002546B includes a supporting pressing mechanism and a bottom mold mechanism, wherein the bottom mold mechanism is fixedly welded to the lower end of the supporting pressing mechanism, an auxiliary pressing mechanism is also provided on the supporting frame, and a bottom mold end surface cleaning mechanism is also provided on the upper end surface of the fixed bottom plate, which can perform multi-station pressing and molding, and can also clean the raw material powder remaining on the bottom mold surface;

[0004] A magnet pressing and curing linkage production device with publication number CN115223788B relates to the technical field of rare earth magnet production, comprising a bottom plate, an intermittent driving mechanism is arranged at the upper end of the bottom plate, a turntable is arranged at the middle of the upper end of the workbench, the turntable is transmission-connected with the intermittent driving mechanism, four concave mold plates are embedded in the upper end surface of the turntable, a feeding mechanism is arranged at the right part of the upper end of the workbench, and a pre-pressing mechanism is arranged at the rear part of the upper end of the workbench;

[0005] During the use of the above device, it is difficult to quickly adjust the amount of magnet raw materials in the device, and the device cannot process magnets of different sizes according to user needs.

[0006] In view of the above problems, it is urgent to carry out innovative design based on the original magnet production equipment. Summary of the invention

[0007] The purpose of the present invention is to provide a production device and process for NdFeB magnets to solve the problem that the existing magnet production equipment proposed in the above background technology is difficult to quickly adjust the amount of magnet raw materials in the device, and the device cannot process magnets of different sizes according to user needs.

[0008] To achieve the above object, the present invention provides the following technical solution: a production device for NdFeB magnets, comprising:

[0009] A base, the center of the top of which is vertically fixedly connected to a forming cylinder, a loading frame is arranged above the forming cylinder, and the two ends of the bottom of the loading frame are fixedly mounted on the outer wall of the base;

[0010] Also includes:

[0011] A lifting platform is arranged on the inner side of the upper part of the loading frame, a horizontal second moving platform is fixedly connected to the side wall of the lifting platform, and the second moving platform is embedded in the side wall of the loading frame to form a sliding limit structure, and a threaded driving screw is installed through the second moving platform, and the driving screw is rotatably installed through one side of the lifting platform, an extrusion mechanism is rotatably embedded on the inner wall of the bottom of the lifting platform, the extrusion mechanism includes an inner plate, an outer plate is slidably fitted on the outer wall of the inner plate, and a first half pressure plate is fixedly connected to the bottom of the outer plate, and a rotating disk is fixedly connected to the top of the inner plate, and the rotating disk is rotatably installed on the top of the inner wall of the lifting platform;

[0012] A barrel is vertically arranged directly below the lifting platform, a connecting ring is coaxially fixed on the top outer wall of the barrel, and the cross-section of the connecting ring is an "L"-shaped structure, and the connecting ring is rotatably embedded in the bottom of the lifting platform, the barrel is annular structure, and the inner side of the barrel is fitted with the outer walls of the inner plate and the outer sleeve, a first half pressure plate is arranged below the barrel, and the bottom end of the feeding screw is rotatably fitted in the feeding pipe at the bottom of the barrel to form a magnetic raw material conveying structure, and the top end of the feeding screw rotates and passes through the top setting of the barrel.

[0013] Preferably, the inner diameter of the forming cylinder is smaller than the diameter of the discharge port at the bottom of the base to facilitate the discharge of the magnet, and a horizontally arranged baffle is fitted at the lower port of the forming cylinder, and the outer wall of the baffle is slidably fitted on the inner wall of the base, and the moving end of the electric cylinder is fixedly connected to the center of the side wall of the baffle, and the electric cylinder is horizontally fixedly installed on the side wall of the base, so that the electric cylinder can drive the baffle to move.

[0014] Preferably, a vertical adjusting screw is rotatably installed on the side of the loading frame away from the driving screw, and the middle part of the adjusting screw passes through the first movable platform to form a threaded transmission structure, and the first movable platform is slidably embedded in the inner wall of the loading frame to form a sliding lifting structure, and a trigger rod is fixedly connected to one end of the first movable platform close to the lifting platform, and an indicator plate is provided on the side of the trigger rod, and the indicator plate is fixedly connected to the outer wall of the first movable platform, and the axis of the indicator plate intersects vertically with the axis of the trigger rod and is in the same horizontal plane, so that the adjusting screw can drive the first movable platform to move.

[0015] Preferably, a first transmission gear is coaxially fixedly connected to the top port of the driving screw, and the bottom surface of the first transmission gear is arranged in close contact with the top of the loading frame, a power gear is arranged between the first transmission gear and the second transmission gear, and the power gear is coaxially fixedly connected to the output shaft of the servo motor, and the servo motor is fixedly installed on the top of the loading frame, so that the power gear can drive the first transmission gear and the second transmission gear to rotate.

[0016] Preferably, the power gear is composed of two gears of different sizes, the large gear part of the power gear forms a meshing transmission relationship with the second transmission gear, and the small gear part of the power gear forms a meshing transmission relationship with the first transmission gear, the height of the first transmission gear is smaller than the height of the second transmission gear, the second transmission gear is coaxially fixed on the top side wall of the sleeve, and the sleeve is vertically penetrated and arranged at the top center of the loading frame to form a rotation limiting structure, the inner side of the sleeve is coaxially fitted with the upper part of the transmission rod, and the upper cross-section of the transmission rod is a rectangular structure, and the bottom end of the transmission rod is penetrated and installed on the top of the lifting platform to form a rotation limiting structure, and a rotating disk is coaxially fixedly connected to the lower end surface of the transmission rod, so that the sleeve can drive the transmission rod to rotate.

[0017] Preferably, symmetrically distributed limit blocks are fixedly installed on the lower inner wall of the outer sleeve plate, and the limit blocks are slidably embedded in the slide grooves opened on the lower side walls of the inner plate, and a second half pressure plate is fixedly connected to the bottom surface of the inner plate, and the second half pressure plate is below the first half pressure plate, the centers of the second half pressure plate and the first half pressure plate are on the axis of the rotating disk, and the vertical surfaces of the second half pressure plate and the first half pressure plate are fitted together, the second half pressure plate and the first half pressure plate are coaxially arranged above the forming cylinder to form a magnet pressing structure, and the radii of the second half pressure plate and the first half pressure plate are equal, so that the outer sleeve plate can drive the limit blocks to move in the slide grooves of the inner plate.

[0018] Preferably, a collecting trough is provided on one side of the second half pressure plate close to the first half pressure plate, and the bottom of the collecting trough is inclined to facilitate the collection of magnet raw materials, the bottom end of the feeding screw is arranged inside the collecting trough, and an internal gear is coaxially fixedly connected to the upper end surface of the feeding screw, the internal gear is meshingly arranged on the inner side of the inner gear ring, and the outer side of the inner gear ring is coaxially fitted on the inner wall of the connecting ring, and the top of the inner gear ring is fixedly connected to the bottom surface of the lifting platform, and the lower port of the feeding pipe of the barrel is fixedly connected to the top of the second half pressure plate, so that the internal gear can drive the feeding screw to rotate.

[0019] Preferably, the top of the outer sleeve plate is fixedly connected to the bottom surface of the docking tray, and the top of the inner plate is fitted and penetrated on the docking tray, and the docking tray is rotatably fitted on the rotating tray and the lifting platform, a movable ring frame is rotatably embedded on the side wall of the docking tray, and the protrusions on the side wall of the movable ring frame are embedded on the inner wall of the lifting platform to form a sliding lifting structure, and a horizontal force-bearing rod is fixedly connected to the outer wall of the protrusion of the movable ring frame, so that the docking tray can rotate on the movable ring frame.

[0020] Preferably, the force-bearing rod is fitted and inserted in the top of the inclined guide groove opened on one side of the control panel, and a guide groove is opened on the other side of the control panel, the control panel is slidably fitted on the inner wall of the lifting platform, and the two ends of the guide frame are fixedly connected to the side walls of the control panel, the guide frame slides through the side wall of the lifting platform, and two symmetrically distributed return springs are sleeved on the guide frame, and the return spring is fixedly connected between the outer wall of the guide frame and the side wall of the lifting platform, the middle part of the guide groove is a horizontal "V"-shaped structure, and the upper and lower side ports of the guide groove are aligned and connected with the through groove on the side wall of the lifting platform, and a trigger rod is provided on the inner side of the lower part of the through groove of the lifting platform, so that the trigger rod can push the control panel to move.

[0021] The process of NdFeB magnet production equipment is as follows:

[0022] S1: The user rotates the adjusting screw, and the adjusting screw will drive the first moving platform to move synchronously, thereby adjusting the height of the trigger rod on the first moving platform to adapt to different magnet processing heights. Then, the raw materials of the magnet are put into the forming cylinder, and the servo motor is started. The servo motor will drive the power gear to rotate. At this time, the small gear on the power gear will drive the first transmission gear to rotate, and at the same time, the large gear on the power gear will drive the second transmission gear to rotate. The first transmission gear drives the second moving platform to move on the loading rack through the driving screw. At this time, the lifting platform connected to the second moving platform will move synchronously, and the lifting platform drives the barrel to move downward through the connecting ring. The barrel will drive the first half platen and the second half platen to move into the forming cylinder;

[0023] S2: When the lifting platform moves downward, the lifting platform will drive the rotating connected transmission rod to move downward synchronously, and the transmission rod will move in the sleeve. At the same time, the second transmission gear will drive the sleeve to rotate synchronously. Since the top of the transmission rod is a rectangular structure, the sleeve can drive the transmission rod to rotate, and the transmission rod will drive the rotating disk connected to the bottom to rotate. The rotating disk will drive the outer plate and the barrel to rotate synchronously through the inner plate. The connecting ring at the top of the barrel will rotate at the bottom of the lifting platform, and the internal gear at the top of the barrel will rotate along the fixed internal gear ring. At this time, the internal gear will drive the feeding screw to rotate synchronously;

[0024] S3: Then, when the rotating second half platen enters the forming cylinder and contacts the magnet raw material, the excess magnet raw material in the forming cylinder will enter the collecting trough of the second half platen. Since the bottom end of the feeding screw is in the collecting trough, the feeding screw can feed the excess magnet raw material collected in the collecting trough into the barrel.

[0025] S4: At the same time, when the lifting platform moves downward, the trigger rod will move toward the through groove on the side wall of the lifting platform, and then the trigger rod will enter the guide groove on the control board. Since the middle part of the guide groove is a horizontal "V"-shaped structure, the trigger rod will gradually push the control board to move, and the control board will drive the guide frame to move, and the guide frame will further stretch the reset spring. During this process, the inclined guide groove on the other side of the control board will drive the force-bearing rod to move downward, and the force-bearing rod will drive the docking plate and the outer plate to move downward synchronously through the mobile ring frame. During this process, the outer plate will drive the first half of the pressure plate to move downward, so that the first half of the pressure plate moves toward the bottom of the second half of the pressure plate. At this time, the entrance of the collecting trough on the second half of the pressure plate will gradually decrease until it disappears. At this time, the bottom surface of the first half of the pressure plate will be aligned with the bottom surface of the first half of the pressure plate. The bottom surface of the second half pressure plate is flush, and the trigger rod will enter the most protruding position of the guide groove. Since the trigger rod and the indicator plate are fixed on the first moving platform, the indicator plate will point to the inside of the standard line on the lifting platform for the user to observe. If there is less magnetic raw material in the molding cylinder, the first half pressure plate and the second half pressure plate will continue to move downward. At this time, the indicator plate will pass through the standard line range. After that, the user controls the servo motor to rotate in the opposite direction, and the first half pressure plate and the second half pressure plate will be dislocated and separated again. At the same time, the reversed feeding screw can feed the raw material in the barrel into the collecting trough of the second half pressure plate. The raw material in the collecting trough will fall into the molding cylinder for replenishment. When the magnet in the molding cylinder is pressed, the electric cylinder is started, and the electric cylinder pulls the baffle to open, so that the magnet can be discharged from the bottom of the base.

[0026] Compared with the prior art, the beneficial effects of the present invention are as follows: the production equipment and process of the NdFeB magnet are provided with a magnet pressing structure with dislocation deformation, the amount of magnet raw material can be quickly adjusted during the pressing process of the device, and the device can process magnets of different sizes according to user needs, and the specific contents are as follows:

[0027] 1. The barrel is annular in structure. The bottom end of the feeding screw rotates in the feeding pipe at the bottom of the barrel to form a magnetic raw material conveying structure. The top end of the feeding screw rotates and penetrates the top of the barrel. The upper end face of the feeding screw is coaxially fixedly connected with an internal gear. The internal gear is meshed on the inner side of the inner gear ring. The outer side of the inner gear ring is coaxially fitted on the inner wall of the connecting ring. The top of the inner gear ring is fixedly connected to the bottom surface of the lifting platform. The lower port of the feeding pipe of the barrel is fixedly connected to the top of the second half platen. When the barrel rotates, the internal gear will rotate synchronously along the inner gear ring. At this time, the internal gear will drive the feeding screw to rotate synchronously, so that the feeding screw can drive the magnetic raw materials in the device to move.

[0028] 2. An outer plate is slidably fitted on the outer wall of the inner plate, a first half pressure plate is fixedly connected to the bottom of the outer plate, a rotating plate is fixedly connected to the top of the inner plate, the rotating plate is rotatably mounted on the top of the inner wall of the lifting platform, a second half pressure plate is fixedly connected to the bottom surface of the inner plate, the centers of the second half pressure plate and the first half pressure plate are on the axis of the rotating plate, the second half pressure plate and the vertical surfaces of the first half pressure plate are fitted, the second half pressure plate and the first half pressure plate are coaxially arranged above the forming cylinder to form a magnet pressing structure, the second half pressure plate and the first half pressure plate are fixedly connected to the bottom surface of the inner plate, the second half pressure plate and the first half pressure plate are fixedly arranged on ... The radii of the plates are equal, and a collecting trough is provided on one side of the second half platen close to the first half platen, and the bottom of the collecting trough is inclined to facilitate the collection of magnet raw materials. The bottom end of the feeding screw is provided inside the collecting trough. When the second half platen and the first half platen start to rotate, the excess magnet raw material in the forming cylinder will enter the collecting trough in the second half platen. In the process of the second half platen approaching the magnet forming height, the first half platen will gradually move toward the bottom of the second half platen until the bottom surfaces of the second half platen and the first half platen are flush. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall external structure of the present invention;

[0030] Figure 2 This is a schematic diagram of the installation structure of the forming cylinder of the present invention;

[0031] Figure 3 This is a schematic diagram of the installation structure of the drive screw of the present invention;

[0032] Figure 4 This is a schematic diagram of the installation structure of the lifting platform of the present invention;

[0033] Figure 5 This is a schematic diagram of the power gear transmission structure of the present invention;

[0034] Figure 6 This is a schematic diagram of the internal gear ring installation structure of the present invention;

[0035] Figure 7 This is a schematic diagram of the installation structure of the feeding screw of the present invention;

[0036] Figure 8 This is a schematic diagram of the outer jacket plate installation structure of the present invention;

[0037] Fig. 9 This is a schematic diagram of the control panel installation structure of the present invention;

[0038] Fig.10 This is a schematic diagram of the installation structure of the mobile ring frame of the present invention;

[0039] Fig.11 It is a schematic diagram of the installation structure of the force-bearing rod of the present invention.

[0040] In the figure: 1, base; 2, forming cylinder; 3, baffle; 4, electric cylinder; 5, loading frame; 6, first moving platform; 7, adjusting screw; 8, indicator plate; 9, trigger rod; 10, second moving platform; 11, lifting platform; 12, driving screw; 13, first transmission gear; 14, power gear; 15, servo motor; 16, second transmission gear; 17, sleeve; 18, transmission rod; 19, rotating disk; 20, extrusion mechanism; 2001, Inner plate; 2002, outer plate; 2003, limit block; 2004, movable ring frame; 2005, docking plate; 2006, force rod; 2007, first half pressure plate; 2008, second half pressure plate; 2009, collecting trough; 21, barrel; 22, feeding screw; 23, internal gear; 24, internal gear ring; 25, connecting ring; 26, control board; 27, inclined guide groove; 28, guide groove; 29, guide frame; 30, reset spring. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] See also Figure 1-Figure 11 The present invention provides a technical solution: a production device for NdFeB magnets, comprising:

[0043] A base 1 is vertically fixedly connected to a forming cylinder 2 at the center of its top, a loading frame 5 is arranged above the forming cylinder 2, and both ends of the bottom of the loading frame 5 are fixedly mounted on the outer wall of the base 1;

[0044] Also includes:

[0045] A lifting platform 11 is arranged on the inner side of the upper part of the loading frame 5, a horizontal second moving platform 10 is fixedly connected to the side wall of the lifting platform 11, and the second moving platform 10 is embedded in the side wall of the loading frame 5 to form a sliding limit structure, and a threaded driving screw 12 is installed through the second moving platform 10, and the driving screw 12 is rotatably installed through one side of the lifting platform 11, and an extrusion mechanism 20 is rotatably embedded on the inner wall of the bottom of the lifting platform 11, and the extrusion mechanism 20 includes an inner plate 2001, an outer plate 2002 is slidably fitted on the outer wall of the inner plate 2001, and the bottom of the outer plate 2002 is fixedly connected to a first half pressure plate 2007, and the top of the inner plate 2001 is fixedly connected to a rotating disk 19, and the rotating disk 19 is rotatably installed on the top of the inner wall of the lifting platform 11;

[0046] The barrel 21 is vertically arranged directly below the lifting platform 11, and a connecting ring 25 is coaxially fixed on the top outer wall of the barrel 21, and the cross-section of the connecting ring 25 is an "L"-shaped structure, and the connecting ring 25 is rotatably embedded in the bottom of the lifting platform 11. The barrel 21 is an annular structure, and the inner side of the barrel 21 is fitted with the outer walls of the inner plate 2001 and the outer sleeve plate 2002, and a first half pressure plate 2007 is arranged below the barrel 21. The bottom end of the feeding screw 22 is rotatably fitted in the feeding pipe at the bottom of the barrel 21 to form a magnetic raw material conveying structure, and the top end of the feeding screw 22 rotates and passes through the top setting of the barrel 21.

[0047] The inner diameter of the forming cylinder 2 is smaller than the discharge port diameter at the bottom of the base 1 to facilitate the discharge of the magnet. A horizontally arranged baffle 3 is fitted at the lower port of the forming cylinder 2, and the outer wall of the baffle 3 is slidably fitted on the inner wall of the base 1. The moving end of the electric cylinder 4 is fixedly connected to the center of the side wall of the baffle 3, and the electric cylinder 4 is horizontally fixedly installed on the side wall of the base 1, so that the electric cylinder 4 can drive the baffle 3 to move in the base 1.

[0048] A vertical adjusting screw 7 is rotatably installed on the side of the loading frame 5 away from the driving screw 12, and the middle part of the adjusting screw 7 is penetrated by the first movable platform 6 to form a threaded transmission structure, and the first movable platform 6 is slidably embedded in the inner wall of the loading frame 5 to form a sliding lifting structure, and a trigger rod 9 is fixedly connected to the end of the first movable platform 6 close to the lifting platform 11, and an indicator plate 8 is arranged on the side of the trigger rod 9, and the indicator plate 8 is fixedly connected to the outer wall of the first movable platform 6, and the axis of the indicator plate 8 intersects vertically with the axis of the trigger rod 9 in the same horizontal plane, and the rotating adjusting screw 7 drives the trigger rod 9 and the indicator plate 8 to move downward synchronously through the first movable platform 6.

[0049] A first transmission gear 13 is coaxially fixedly connected to the top port of the driving screw 12, and the bottom surface of the first transmission gear 13 is fitted on the top of the loading frame 5. A power gear 14 is arranged between the first transmission gear 13 and the second transmission gear 16, and the power gear 14 is coaxially fixedly connected to the output shaft of the servo motor 15, and the servo motor 15 is fixedly installed on the top of the loading frame 5. The servo motor 15 drives the first transmission gear 13 and the second transmission gear 16 to rotate synchronously through the power gear 14, and the power gear 14 is composed of two gears of different sizes. The large gear part of the power gear 14 forms a meshing transmission relationship with the second transmission gear 16, and the small gear part of the power gear 14 forms a meshing transmission relationship with the first transmission gear 13. The height of the first transmission gear 13 is smaller than that of the second transmission gear 16. The second transmission gear 16 is coaxially fixedly sleeved on the top side wall of the sleeve 17, and the sleeve 17 vertically penetrates and is arranged at the top center of the loading frame 5 to form a rotation limiting structure. The inner side of the sleeve 17 is coaxially fitted with the upper part of the transmission rod 18, and the upper cross-section of the transmission rod 18 is a rectangular structure, and the bottom end of the transmission rod 18 is penetrated and installed on the top of the lifting platform 11 to form a rotation limiting structure, and the lower end surface of the transmission rod 18 is coaxially fixedly connected with a rotating disk 19. At this time, the second transmission gear 16 will drive the transmission rod 18 to rotate through the sleeve 17, and the transmission rod 18 will drive the rotating disk 19 to rotate synchronously, and the rotating disk 19 will drive the inner plate 2001 to rotate synchronously. Step rotation, since the lower inner wall of the outer sleeve plate 2002 is fixedly installed with symmetrically distributed limit blocks 2003, and the limit blocks 2003 are slidably embedded in the slide grooves provided on the lower side walls of the inner plate 2001, the bottom surface of the inner plate 2001 is fixedly connected with the second half pressure plate 2008, and the second half pressure plate 2008 is below the first half pressure plate 2007, the centers of the second half pressure plate 2008 and the first half pressure plate 2007 are on the axis of the rotating disk 19, and the vertical surfaces of the second half pressure plate 2008 and the first half pressure plate 2007 are fitted together, the second half pressure plate 2008 and the first half pressure plate 2007 are coaxially arranged above the forming cylinder 2 to form a magnet pressing structure, and the radii of the second half pressure plate 2008 and the first half pressure plate 2007 are equal. At this time, the inner plate 2001 will drive the second half platen 2008 to rotate, and the inner plate 2001 will drive the outer plate 2002 to rotate synchronously, and the outer plate 2002 will drive the first half platen 2007 to rotate synchronously. A collecting trough 2009 is provided on the side of the second half platen 2008 close to the first half platen 2007, and the bottom of the collecting trough 2009 is inclined to collect magnet raw materials. The bottom end of the feeding screw 22 is provided inside the collecting trough 2009, and the upper end surface of the feeding screw 22 is coaxially fixedly connected with an internal gear 23, the internal gear 23 is meshedly arranged on the inner side of the inner gear ring 24, and the outer side of the inner gear ring 24 is coaxially fitted on the inner wall of the connecting ring 25, and the top of the inner gear ring 24 is fixedly connected to the bottom surface of the lifting platform 11.The lower end of the feeding pipe of the barrel 21 is fixedly connected to the top of the second half platen 2008. When the second half platen 2008 rotates, the excess magnet raw material in the forming barrel 2 will enter the collecting trough 2009 of the second half platen 2008. At the same time, the internal gear 23 will drive the feeding screw 22 to rotate, and the feeding screw 22 will drive the magnet raw material in the collecting trough 2009 to move.

[0050] The force-bearing rod 2006 is fitted and inserted into the top of the inclined guide groove 27 opened on one side of the control plate 26, and a guide groove 28 is opened on the other side of the control plate 26. The control plate 26 is slidably fitted on the inner wall of the lifting platform 11, and the two ends of the guide frame 29 are fixedly connected to the side wall of the control plate 26. The guide frame 29 slides through the side wall of the lifting platform 11, and two symmetrically distributed return springs 30 are sleeved on the guide frame 29, and the return spring 30 is fixedly connected between the outer wall of the guide frame 29 and the side wall of the lifting platform 11. The middle part of the guide groove 28 is a horizontal "V"-shaped structure, and the upper and lower side ports of the guide groove 28 are aligned and connected with the through groove on the side wall of the lifting platform 11. A trigger rod 9 is arranged on the inner side of the lower part of the through groove of the lifting platform 11, so that the trigger rod 9 can enter the guide groove 28. At this time, the trigger The rod 9 will push the control plate 26 to move, and the control plate 26 will drive the guide frame 29 to move synchronously. The oblique guide groove 27 on the control plate 26 will drive the force rod 2006 to move. The top of the outer sleeve plate 2002 is fixedly connected to the bottom surface of the docking plate 2005, and the top of the inner plate 2001 is fitted and penetrated on the docking plate 2005, and the docking plate 2005 is rotatably fitted on the rotating plate 19 and the lifting platform 11. A movable ring frame 2004 is rotatably embedded on the side wall of the docking plate 2005, and the protrusions on the side wall of the movable ring frame 2004 are embedded on the inner wall of the lifting platform 11 to form a sliding lifting structure, and a horizontal force rod 2006 is fixedly connected to the outer wall of the protrusion of the movable ring frame 2004, so that the force rod 2006 drives the docking plate 2005 to move downward through the movable ring frame 2004.

[0051] The process of NdFeB magnet production equipment is as follows:

[0052] S1: The user rotates the adjusting screw 7, and the adjusting screw 7 will drive the first moving platform 6 to move synchronously, so as to adjust the height of the trigger rod 9 on the first moving platform 6 to adapt to different magnet processing heights. Then, the constituent raw materials of the magnet are put into the forming tube 2, and the servo motor 15 is started. The servo motor 15 will drive the power gear 14 to rotate. At this time, the small gear on the power gear 14 will drive the first transmission gear 13 to rotate, and at the same time, the large gear on the power gear 14 will drive the second transmission gear 16 to rotate. The first transmission gear 13 drives the second moving platform 10 to move on the loading frame 5 through the driving screw 12. At this time, the lifting platform 11 connected to the second moving platform 10 will move synchronously, and the lifting platform 11 drives the barrel 21 to move downward through the connecting ring 25. The barrel 21 will drive the first half platen 2007 and the second half platen 2008 to move toward the forming tube 2;

[0053] S2: When the lifting platform 11 moves downward, the lifting platform 11 will drive the rotatably connected transmission rod 18 to move downward synchronously, and the transmission rod 18 will move in the sleeve 17. At the same time, the second transmission gear 16 will drive the sleeve 17 to rotate synchronously. Since the top of the transmission rod 18 is a rectangular structure, the sleeve 17 can drive the transmission rod 18 to rotate, and the transmission rod 18 will drive the rotating disk 19 connected to the bottom to rotate, and the rotating disk 19 will drive the outer plate 2002 and the barrel 21 to rotate synchronously through the inner plate 2001. The connecting ring 25 at the top of the barrel 21 will rotate at the bottom of the lifting platform 11, and the internal gear 23 at the top of the barrel 21 will rotate along the fixed internal gear ring 24. At this time, the internal gear 23 will drive the feeding screw 22 to rotate synchronously;

[0054] S3: Then, when the rotating second half platen 2008 enters the forming cylinder 2 and contacts the magnet raw material, the excess magnet raw material in the forming cylinder 2 will enter the collecting trough 2009 of the second half platen 2008. Since the bottom end of the feeding screw 22 is in the collecting trough 2009, the feeding screw 22 can feed the excess magnet raw material collected in the collecting trough 2009 into the barrel 21.

[0055] S4: At the same time, during the downward movement of the lifting platform 11, the trigger rod 9 will move toward the through groove on the side wall of the lifting platform 11, and then the trigger rod 9 will enter the guide groove 28 on the control plate 26. Since the middle part of the guide groove 28 is a horizontal "V"-shaped structure, the trigger rod 9 will gradually push the control plate 26 to move, and the control plate 26 will drive the guide frame 29 to move, and the guide frame 29 will further stretch the return spring 30. During this process, the inclined guide groove 27 on the other side of the control plate 26 will drive the force-bearing rod 2006 to move downward, and the force-bearing rod 2006 drives the docking plate 2005 and the outer plate 2002 to move downward synchronously through the moving ring frame 2004. During this process, the outer plate 2002 will drive the first half pressure plate 2007 to move downward, so that the first half pressure plate 2007 moves toward the bottom of the second half pressure plate 2008. At this time, the entrance of the collecting trough 2009 on the second half pressure plate 2008 will gradually decrease until it disappears. At this time, the first half pressure plate 2007 is The bottom surface of the plate 2007 will be flush with the bottom surface of the second half platen 2008, and the trigger rod 9 will enter the most protruding position of the guide groove 28. Since the trigger rod 9 and the indicator plate 8 are both fixed on the first movable platform 6, the indicator plate 8 will point to the inside of the standard line on the lifting platform 11 to facilitate user observation. If there is less magnetic raw material in the molding cylinder 2, the first half platen 2007 and the second half platen 2008 will continue to move downward. At this time, the indicator plate 8 will pass through the standard line range. Then the user controls the servo motor 15 to rotate in the opposite direction, and the first half platen 2007 and the second half platen 2008 will be dislocated and separated again. At the same time, the reversed feeding screw 22 can feed the raw material in the barrel 21 into the collecting trough 2009 of the second half platen 2008, and the raw material in the collecting trough 2009 will fall into the molding cylinder 2 for replenishment. When the magnet in the molding cylinder 2 is pressed, the electric cylinder 4 is started, and the electric cylinder 4 pulls the baffle 3 to open, so that the magnet can be discharged from the bottom of the base 1.

[0056] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0057] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0058] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. Production equipment for NdFeB magnets, including: A base (1) is vertically fixedly connected to a forming cylinder (2) at the center of its top, a loading frame (5) is arranged above the forming cylinder (2), and both ends of the bottom of the loading frame (5) are fixedly mounted on the outer wall of the base (1); It is characterized by further comprising: A lifting platform (11) is arranged on the inner side of the upper part of the loading frame (5); a horizontal second movable platform (10) is fixedly connected to the side wall of the lifting platform (11), and the second movable platform (10) is embedded in the side wall of the loading frame (5) to form a sliding limit structure; a threaded driving screw (12) is installed through the second movable platform (10), and the driving screw (12) is rotatably installed through one side of the lifting platform (11); an extrusion mechanism (20) is rotatably embedded on the inner wall of the bottom of the lifting platform (11); the extrusion mechanism (20) comprises an inner plate (2001); an outer plate (2002) is slidably fitted on the outer wall of the inner plate (2001), and the bottom of the outer plate (2002) is fixedly connected to a first half pressure plate (2007); a rotating disk (19) is fixedly connected to the top of the inner plate (2001), and the rotating disk (19) is rotatably installed on the top of the inner wall of the lifting platform (11); A barrel (21) is vertically arranged directly below the lifting platform (11); a connecting ring (25) is coaxially fixedly installed on the top outer wall of the barrel (21); the cross section of the connecting ring (25) is in an "L"-shaped structure, and the connecting ring (25) is rotatably embedded in the bottom of the lifting platform (11); the barrel (21) is an annular structure, and the inner side of the barrel (21) is fitted with the outer walls of the inner plate (2001) and the outer sleeve plate (2002); a first half platen (2007) is arranged below the barrel (21); the bottom end of the feeding screw (22) is rotatably fitted in the feeding pipe at the bottom of the barrel (21) to form a magnetic raw material conveying structure, and the top end of the feeding screw (22) is rotatably arranged to penetrate the top of the barrel (21).

2. The production equipment of NdFeB magnets according to claim 1, characterized in that: The inner diameter of the forming cylinder (2) is smaller than the diameter of the discharge port at the bottom of the base (1) to facilitate the discharge of the magnets; a horizontally arranged baffle (3) is fitted at the lower end of the forming cylinder (2), and the outer wall of the baffle (3) is slidably fitted on the inner wall of the base (1); the moving end of the electric cylinder (4) is fixedly connected to the center of the side wall of the baffle (3), and the electric cylinder (4) is horizontally fixedly mounted on the side wall of the base (1).

3. The production equipment of NdFeB magnets according to claim 1, characterized in that: A vertical adjusting screw (7) is rotatably installed on a side of the loading frame (5) away from the driving screw (12), and the middle part of the adjusting screw (7) is inserted into the first movable platform (6) to form a threaded transmission structure, and the first movable platform (6) is slidably embedded on the inner wall of the loading frame (5) to form a sliding lifting structure, and a trigger rod (9) is fixedly connected to one end of the first movable platform (6) close to the lifting platform (11), and an indicator plate (8) is arranged on the side of the trigger rod (9), and the indicator plate (8) is fixedly connected to the outer wall of the first movable platform (6), and the axis of the indicator plate (8) and the axis of the trigger rod (9) are perpendicularly intersected and are in the same horizontal plane.

4. The production equipment of NdFeB magnets according to claim 1, characterized in that: A first transmission gear (13) is coaxially fixedly connected to the top end of the driving screw rod (12), and the bottom surface of the first transmission gear (13) is arranged in contact with the top of the loading frame (5). A power gear (14) is arranged between the first transmission gear (13) and the second transmission gear (16), and the power gear (14) is coaxially fixedly connected to the output shaft of the servo motor (15), and the servo motor (15) is fixedly installed on the top of the loading frame (5).

5. The production equipment of NdFeB magnets according to claim 4, characterized in that: The power gear (14) is composed of two gears of different sizes. The large gear portion of the power gear (14) forms a meshing transmission relationship with the second transmission gear (16), and the small gear portion of the power gear (14) forms a meshing transmission relationship with the first transmission gear (13). The height of the first transmission gear (13) is smaller than the height of the second transmission gear (16). The second transmission gear (16) is coaxially fixedly sleeved on the top side wall of the sleeve (17), and the sleeve (17) is vertically penetrated and arranged at the top center of the loading frame (5) to form a rotation limiting structure. The inner side of the sleeve (17) is coaxially fitted with the upper part of the transmission rod (18), and the upper cross-section of the transmission rod (18) is a rectangular structure. The bottom end of the transmission rod (18) is penetrated and installed on the top of the lifting platform (11) to form a rotation limiting structure, and the lower end surface of the transmission rod (18) is coaxially fixedly connected with a rotating disk (19).

6. The production equipment of NdFeB magnets according to claim 1, characterized in that: A symmetrically distributed limit block (2003) is fixedly mounted on the lower inner wall of the outer plate (2002), and the limit block (2003) is slidably embedded in a slide groove provided on the lower side wall of the inner plate (2001); a second half pressure plate (2008) is fixedly connected to the bottom surface of the inner plate (2001), and the second half pressure plate (2008) is located below the first half pressure plate (2007); the centers of the second half pressure plate (2008) and the first half pressure plate (2007) are on the axis of the rotating disk (19), and the vertical surfaces of the second half pressure plate (2008) and the first half pressure plate (2007) are arranged in close contact; the second half pressure plate (2008) and the first half pressure plate (2007) are coaxially arranged above the forming cylinder (2) to form a magnet pressing structure, and the radii of the second half pressure plate (2008) and the first half pressure plate (2007) are equal.

7. The production equipment of NdFeB magnets according to claim 6, characterized in that: A collecting trough (2009) is provided on one side of the second half pressure plate (2008) close to the first half pressure plate (2007), and the bottom of the collecting trough (2009) is inclined to facilitate the collection of magnet raw materials. The bottom end of the feeding screw (22) is arranged inside the collecting trough (2009), and the upper end surface of the feeding screw (22) is coaxially fixedly connected with an internal gear (23), the internal gear (23) is meshingly arranged on the inner side of the inner gear ring (24), and the outer side of the inner gear ring (24) is coaxially fitted on the inner wall of the connecting ring (25), and the top of the inner gear ring (24) is fixedly connected to the bottom surface of the lifting platform (11), and the lower port of the feeding pipe of the barrel (21) is fixedly connected to the top of the second half pressure plate (2008).

8. The production equipment of NdFeB magnets according to claim 1, characterized in that: The top of the outer plate (2002) is fixedly connected to the bottom surface of the docking plate (2005), and the top of the inner plate (2001) is fitted and penetrated on the docking plate (2005), and the docking plate (2005) is rotatably fitted on the rotating plate (19) and the lifting platform (11), and a movable ring frame (2004) is rotatably embedded on the side wall of the docking plate (2005), and the protrusions on the side wall of the movable ring frame (2004) are embedded on the inner wall of the lifting platform (11) to form a sliding lifting structure, and a horizontal force-bearing rod (2006) is fixedly connected to the outer wall of the protrusion of the movable ring frame (2004).

9. The production equipment of NdFeB magnets according to claim 8, characterized in that: The force-bearing rod (2006) is fitted and inserted into the top of an inclined guide groove (27) provided on one side of the control panel (26), and a guide groove (28) is provided on the other side of the control panel (26). The control panel (26) is slidably fitted on the inner wall of the lifting platform (11), and the two ends of a guide frame (29) are fixedly connected to the side wall of the control panel (26). The guide frame (29) is slidably penetrated through the side wall of the lifting platform (11), and two symmetrically distributed return springs (30) are sleeved on the guide frame (29), and the return spring (30) is fixedly connected between the outer wall of the guide frame (29) and the side wall of the lifting platform (11). The middle part of the guide groove (28) is a horizontal "V"-shaped structure, and the upper and lower side ports of the guide groove (28) are aligned and connected with the through groove on the side wall of the lifting platform (11), and a trigger rod (9) is provided on the inner side of the lower part of the through groove of the lifting platform (11).

10. The process of the production equipment of NdFeB magnets according to claim 1, characterized in that: The process of NdFeB magnet production equipment is as follows: S1: The user rotates the adjusting screw (7), and the adjusting screw (7) drives the first movable platform (6) to move synchronously, thereby adjusting the height of the trigger rod (9) on the first movable platform (6) to adapt to different magnet processing heights. Then, the constituent raw materials of the magnet are put into the molding barrel (2), and the servo motor (15) is started. The servo motor (15) drives the power gear (14) to rotate. At this time, the small gear on the power gear (14) drives the first transmission gear (13) to rotate, and at the same time, the large gear on the power gear (14) drives the second transmission gear (16) to rotate. The first transmission gear (13) drives the second movable platform (10) to move on the loading frame (5) through the driving screw (12). At this time, the lifting platform (11) connected to the second movable platform (10) will move synchronously. The lifting platform (11) drives the barrel (21) to move downward through the connecting ring (25), and the barrel (21) drives the first half platen (2007) and the second half platen (2008) to move toward the molding barrel (2); S2: When the lifting platform (11) moves downward, the lifting platform (11) will drive the rotatably connected transmission rod (18) to move downward synchronously, and the transmission rod (18) will move in the sleeve (17). At the same time, the second transmission gear (16) will drive the sleeve (17) to rotate synchronously. Since the top of the transmission rod (18) is a rectangular structure, the sleeve (17) can drive the transmission rod (18) to rotate, and the transmission rod (18) will drive the rotating disk (19) connected to the bottom to rotate. The rotating disk (19) will drive the outer plate (2002) and the barrel (21) to rotate synchronously through the inner plate (2001). The connecting ring (25) at the top of the barrel (21) will rotate at the bottom of the lifting platform (11), and the internal gear (23) at the top of the barrel (21) will rotate along the fixed internal gear ring (24). At this time, the internal gear (23) will drive the feeding screw (22) to rotate synchronously; S3: Then, when the rotating second half platen (2008) enters the forming cylinder (2) and contacts the magnetic raw material, the excess magnetic raw material in the forming cylinder (2) will enter the collecting trough (2009) of the second half platen (2008). Since the bottom end of the feeding screw (22) is in the collecting trough (2009), the feeding screw (22) can feed the excess magnetic raw material collected in the collecting trough (2009) into the barrel (21); S4: At the same time, when the lifting platform (11) moves downward, the trigger rod (9) moves toward the through groove on the side wall of the lifting platform (11), and then the trigger rod (9) enters the guide groove (28) on the control board (26). Since the middle part of the guide groove (28) is a horizontal "V"-shaped structure, the trigger rod (9) will gradually push the control board (26) to move, and the control board (26) will drive the guide frame (29) to move, and the guide frame (29) will further stretch the return spring (30). In this process, the control board (26) is moved to the other side. The inclined guide groove (27) on the side will drive the force-bearing rod (2006) to move downward, and the force-bearing rod (2006) drives the docking plate (2005) and the outer plate (2002) to move downward synchronously through the mobile ring frame (2004). During this process, the outer plate (2002) will drive the first half pressure plate (2007) to move downward, so that the first half pressure plate (2007) moves toward the bottom of the second half pressure plate (2008). At this time, the entrance of the collecting trough (2009) on the second half pressure plate (2008) will gradually decrease until it disappears. At this time, the first half pressure plate The bottom surface of the first half platen (2007) will be flush with the bottom surface of the second half platen (2008), and the trigger rod (9) will enter the most protruding position of the guide groove (28). Since the trigger rod (9) and the indicator plate (8) are both fixed on the first movable platform (6), the indicator plate (8) will point to the inside of the standard line on the lifting platform (11) to facilitate the user's observation. If the magnetic raw material in the molding cylinder (2) is small, the first half platen (2007) and the second half platen (2008) will continue to move downward, and the indicator plate (8) will pass through the standard line range. The user controls the servo motor (15) to rotate in the reverse direction, and the first half pressure plate (2007) and the second half pressure plate (2008) are displaced and separated again. At the same time, the reverse feeding screw (22) can feed the raw materials in the barrel (21) into the collecting trough (2009) of the second half pressure plate (2008). The raw materials in the collecting trough (2009) fall into the forming barrel (2) for replenishment. When the magnets in the forming barrel (2) are pressed, the electric cylinder (4) is started, and the electric cylinder (4) pulls the baffle (3) to open, so that the magnets can be discharged from the bottom of the base (1).

Images