A NdFeB casting sheet hydrogen crushing device

Abstract

The invention relates to the technical field of hydrogen crushing of NdFeB casting sheets, and in particular to a hydrogen crushing device for NdFeB casting sheets; the device comprises a furnace liner assembly and an electric furnace assembly for heating the hydrogen crushing furnace liner; the electric furnace assembly is arranged on both sides of the furnace liner assembly; the furnace liner assembly comprises a furnace liner bracket and a rotating frame, and the hydrogen crushing furnace liner is rotatably matched on the rotating frame; shaft seats are respectively arranged on both sides of the furnace liner bracket; rotating shafts are arranged on both sides of the rotating frame, and the rotating shafts are rotatably matched with the furnace liner bracket through the shaft seats; the rotating shaft on one side extends out of the shaft seat and is connected to a furnace liner driving device; the furnace liner driving device is used to drive the rotating frame and the hydrogen crushing furnace liner to rotate; the invention solves the technical problem of how to realize loading and unloading without taking out the hydrogen crushing furnace liner.

Description

Technical Field

[0001] The invention relates to the technical field of hydrogen crushing of NdFeB casting sheets, and in particular to a hydrogen crushing device for NdFeB casting sheets. Background Art

[0002] The production process of NdFeB includes alloy smelting, hydrogen crushing, air flow milling, magnetic field forming, vacuum sintering, mechanical processing and other processes; the quality of hydrogen crushing directly affects the powder making speed and powder particle size distribution of the air flow mill, and affects the oxygen content of the alloy powder; hydrogen crushing is to load the NdFeB casting into a hydrogen crushing furnace, fill the hydrogen crushing furnace with hydrogen, let the NdFeB casting react with hydrogen, and the NdFeB casting should expand and break into powder.

[0003] A Chinese patent with authorization announcement number CN213701764U discloses a hydrogen crushing furnace device, which discloses an internally heated hydrogen crushing furnace; the hydrogen crushing furnace needs to rotate during operation, and a heating electric furnace is installed on its periphery to heat the hydrogen crushing furnace core; therefore, during the loading and unloading process of the hydrogen crushing furnace, an additional handling device is required to take out the hydrogen crushing furnace core for loading and unloading, and the loading and unloading process is cumbersome.

[0004] Therefore, the problem existing in the prior art is: how to realize loading and unloading of the hydrogen crushing furnace without taking out the hydrogen crushing furnace liner. Summary of the invention

[0005] The invention provides a NdFeB casting sheet hydrogen crushing device, aiming to solve the problem of how to realize loading and unloading of materials without taking out the hydrogen crushing furnace.

[0006] The technical solution used in the present invention is as follows:

[0007] The present application provides a hydrogen crushing device for NdFeB casting sheets, comprising a furnace chamber assembly and an electric furnace assembly for heating the hydrogen crushing furnace chamber; the electric furnace assembly is arranged on both sides of the furnace chamber assembly; the furnace chamber assembly comprises a furnace chamber bracket and a rotating frame, and the hydrogen crushing furnace chamber is rotatably matched with the rotating frame; shaft seats are respectively arranged on both sides of the furnace chamber bracket; rotating shafts are arranged on both sides of the rotating frame, and the rotating shafts are rotatably matched with the furnace chamber bracket through the shaft seats; the rotating shaft on one side extends out of the shaft seat and is connected with a furnace chamber driving device; the furnace chamber driving device is used to drive the rotating frame and the hydrogen crushing furnace chamber to rotate; through matching grooves are arranged on both sides of the rotating frame, and turbines are arranged in the matching grooves, and turbine shafts are keyed on the turbines; the turbine shaft extends inside the rotating frame for connection with the hydrogen crushing furnace chamber; an adjusting shaft channel connecting the matching groove and the side is arranged on the rotating frame, and the adjusting shaft is rotatably matched in the adjusting shaft channel; a worm is arranged at one end of the adjusting shaft close to the matching groove, and the worm is matched with the turbine; a driving head with a non-circular cross-section is arranged at the other end of the adjusting shaft, and an adjusting component for driving the adjusting shaft to rotate is arranged on the side of the rotating frame.

[0008] Furthermore, the adjustment component includes two relatively arranged guide rail and screw slides, the guide rail and screw slides have a driving source, an adjustment frame is provided on the slider of the guide rail and screw slides, an adjustment mounting plate is provided on the adjustment frame, two adjustment motors are provided on the adjustment mounting plate, the motor shaft of the adjustment motor extends out of the adjustment mounting plate and is fixed to one end of the transmission shaft, the other end of the transmission shaft is fixed to the adjustment head, and the adjustment head has a groove corresponding to the drive head.

[0009] Furthermore, the furnace core driving device includes a support platform; the lower side of the support platform is provided with four legs, and the four leg brackets are provided with a motor mounting plate; the motor mounting plate is provided with a furnace core driving motor; the support platform is provided with a reduction box, and the reduction box has an input shaft and an output shaft; a driven wheel is provided on the input shaft of the reduction box, and the output shaft of the reduction box is connected to the rotating shaft through a coupling; a driving wheel is provided on the motor shaft of the furnace core driving motor, and the driving wheel and the driven wheel are connected through a transmission belt.

[0010] Furthermore, floating columns are arranged on both sides of the hydrogen crushing furnace, and floating plates are slidably matched on the floating columns; floating springs are passed through the floating columns, and the turbine shaft extends out of the inner side of the rotating frame and is fixed in the middle of the floating plate.

[0011] Furthermore, the electric furnace assembly includes an electric furnace hood and an electric furnace frame for fixing the electric furnace hood, and the electric furnace frame is slidably fitted on the track; the electric furnace frame includes a circuit base frame and an electric furnace bracket arranged on the circuit base frame, and the circuit base frame is provided with track wheels, and the track wheels are rollingly fitted on the track; the side walls of the electric furnace bracket are provided with furnace hood fixing columns, and the electric furnace hood is respectively fixed to the electric furnace bracket through the furnace hood fixing columns; a furnace hood driving component is provided between the tracks, and the furnace hood driving component is used to drive the electric furnace hood to move.

[0012] Furthermore, the furnace hood driving component includes two furnace hood motors arranged opposite to each other, and furnace hood gears are respectively provided on the motor shafts of the furnace hood motors, and the furnace hood gears are connected through a furnace hood chain transmission; the circuit frame on one side is fixed to the upper side of the furnace hood chain through a first fixing block, and the circuit frame on the other side is fixed to the lower side of the furnace hood chain through a second fixing block, and the upper side of the second fixing block has a notch, and the upper side of the furnace hood chain passes through the notch on the upper side of the second fixing block.

[0013] Furthermore, a loading platform is provided on the upper side of the furnace support; two loading opening assemblies are relatively provided on the lower side of the loading platform, and two discharging opening assemblies are provided on the lower side of the furnace support; the loading opening assembly includes an opening support plate, an opening cylinder is provided on the opening support plate, a push head of the opening cylinder passes through the opening support plate and is fixed to the opening frame, an opening motor is provided on the opening frame, and a motor shaft of the opening motor extends out of the opening frame and is fixed to the opening contact plate; a plurality of opening fixing columns are provided on the clamping surface of the opening contact plate, the opening fixing columns are embedded in the opening contact plate, the end of the opening fixing column is a shrinking groove structure, an opening movable column is slidably fitted in the shrinking groove, and a contact spring is provided at the bottom of the shrinking groove; the loading opening assembly and the discharging opening assembly have the same structure.

[0014] Furthermore, a loading assembly and a flake storage tank are provided on the upper side of the loading platform; the loading assembly is used to connect the flake storage tank and the material port of the hydrogen crushing furnace; the flake storage tank is used to store NdFeB flakes; the loading assembly includes a storage tank connecting member and a furnace connecting member, the storage tank connecting member is provided on the upper side of the loading platform, and is used to connect with the flake storage tank; the furnace connecting member is provided on the lower side of the loading platform, and is used to connect with the material port of the hydrogen crushing furnace; a channel is provided on the loading platform, so that the storage tank connecting member is connected to the furnace connecting member.

[0015] Furthermore, the storage tank connecting component includes a first fixed plate fixed to the loading platform, and a passage is provided in the middle of the first fixed plate; the upper side of the first fixed plate is fixed to the first movable clamping plate through a first bellows; the first movable clamping plate is used to connect to the casting storage tank; the furnace connecting component includes a second fixed plate fixed to the loading platform, and a passage is provided in the middle of the second fixed plate; the lower side of the second fixed plate is fixed to the second movable clamping plate through a second bellows, and the second movable clamping plate is used to connect to the material port of the hydrogen crushing furnace; upper pressure push rods are provided on both sides of the first fixed plate, and the push head of the upper pressure push rod passes upward through the loading platform and is connected to the abutment rod, and the abutment rod is L-shaped; the vertical side of the abutment rod is slidably matched with the two ends of the first movable clamping plate; the vertical side of the abutment rod is penetrated by a first compression spring, and the first compression spring is clamped on the horizontal side of the abutment rod and the lower side of the first movable clamping plate; linkage pull plates are arranged on both sides of the first movable clamping plate; a pressure column is arranged on the upper side of the second movable clamping plate, and a linkage pressure plate is slidably matched on the pressure column; a second compression spring is passed through the pressure column between the second movable clamping plate and the linkage pressure plate; guide wheel frames are arranged on both sides of the second fixed plate, and guide wheels are arranged on the guide wheel frames; the end of the linkage pull plate is fixed to one end of the rope, and the other end of the rope passes downward through the loading platform and around the guide wheel and is fixed to the end of the linkage pressure plate.

[0016] Furthermore, the casting sheet storage tank includes a tank body with a square cross-section, a cylindrical feed pipe is provided on the upper side of the tank body, a sealing cover is threaded on the upper side of the feed pipe, and a hook is provided on the upper side of the sealing cover; the upper outer edge of the tank body is provided with a flange; the bottom of the tank body is provided with a discharge trough of a conical structure, and the bottom of the discharge trough is provided with a blocking member; a fixing assembly for fixing the tank body is provided on the loading platform, and the fixing assembly includes two L-shaped positioning frames arranged opposite to each other, the upper sides of the two positioning frames are connected by a clamping frame, the middle of the clamping frame is provided with a channel, and the tank body is clamped in the channel of the clamping frame through the flange; positioning cylinders are respectively provided on the positioning plates on both sides, positioning plates are respectively provided on the push heads of the positioning cylinders, and positioning grooves corresponding to the positioning plates are respectively provided on the outer edges of the tank body.

[0017] The beneficial effects achieved by the present invention are as follows: when loading, the material opening of the hydrogen crushing furnace liner is aligned with the upper side, loading is carried out, the NdFeB casting sheet is introduced into the hydrogen crushing furnace liner, and the material opening is closed; then the hydrogen crushing furnace liner is adjusted to a horizontal state by an adjusting component, and the hydrogen crushing furnace liner is self-locked under the cooperation of the worm and the turbine; the electric furnace component is close to the hydrogen crushing furnace liner and heats it; the furnace liner driving motor drives the rotating frame and the hydrogen crushing furnace liner to rotate; after the hydrogen crushing is completed, the electric furnace component is retracted, and after the hydrogen crushing furnace liner is cooled, the hydrogen crushing furnace liner is driven to rotate by the adjusting component, so that the material opening of the hydrogen crushing furnace liner is aligned with the lower side; the material opening is opened for discharging. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic structural diagram of the NdFeB casting sheet hydrogen crushing device of the present invention.

[0019] Figure 2 It is a schematic structural diagram of a furnace chamber assembly of the present invention.

[0020] Figure 3 It is a schematic diagram of the adjustment shaft matching of the present invention.

[0021] Figure 4 It is a schematic diagram of the floating column and floating plate structure of the present invention.

[0022] Figure 5 It is a schematic diagram of the position of the adjustment component of the present invention.

[0023] Figure 6 It is a schematic diagram of the structure of the regulating component of the present invention.

[0024] Figure 7 The electric furnace assembly structure of the present invention is schematically shown in FIG. Figure 1 .

[0025] Figure 8 The electric furnace assembly structure of the present invention is schematically shown in FIG. Figure 2 .

[0026] Fig. 9 It is a schematic diagram of the positions of the loading opening component and the discharging opening component of the present invention.

[0027] Fig.10 It is a structural schematic diagram of the loading and opening component of the present invention.

[0028] Fig.11 It is a schematic diagram of the structure of the feeding assembly and the casting sheet storage tank of the present invention.

[0029] Fig.12 It is a schematic diagram of the position of the feeding component of the present invention.

[0030] Fig.13 It is a schematic structural diagram of a feeding assembly of the present invention.

[0031] Fig.14It is a schematic structural diagram of the first movable card board and the second movable card board of the present invention.

[0032] Fig.15 It is a schematic diagram of the action of the feeding assembly of the present invention.

[0033] Fig.16 It is a schematic diagram of the structure of the fixing assembly of the present invention.

[0034] Fig.17 It is a schematic diagram of the internal structure of the can body of the present invention.

[0035] Fig.18 It is a schematic diagram of the structure of the blocking component of the present invention.

[0036] Fig.19 It is a schematic diagram of the cooperation between the abutment rod and the can body of the present invention.

[0037] In the figure, 1, furnace support; 2, rotating frame; 3, hydrogen crushing furnace; 4, shaft seat; 5, rotating shaft; 6, support table; 7, motor mounting plate; 8, furnace driving motor; 9, reduction box; 10, driving wheel; 11, driven wheel; 12, transmission belt; 13, matching groove; 14, turbine; 15, turbine shaft; 16, adjustment shaft; 17, adjustment shaft channel; 18, worm; 19, driving head; 20, rail screw slide; 21, adjustment frame; 22, adjustment mounting plate; 2 3. Adjusting motor; 24. Transmission shaft; 25. Adjusting head; 26. Floating column; 27. Floating plate; 28. Floating spring; 29. ​​Electric furnace cover; 30. Track; 31. Circuit chassis; 32. Electric furnace bracket; 33. Track wheel; 34. Furnace cover fixing column; 35. Furnace cover motor; 36. Furnace cover gear; 37. Furnace cover chain; 38. First fixing block; 39. Second fixing block; 40. Loading platform; 41. Loading opening assembly; 42. Discharging opening assembly; 43 , open support plate; 44, open cylinder; 45, open frame; 46, open motor; 47, open contact plate; 48, open movable column; 49, open fixed column; 50, contact spring; 51, first fixed plate; 52, first movable clamping plate; 53, first bellows; 54, second fixed plate; 55, second movable clamping plate; 56, second bellows; 57, upper push rod; 58, abutment rod; 59, first pressing spring; 60, linkage pull plate; 61, pressing Column; 62, linkage pressure plate; 63, second crimping spring; 64, guide wheel frame; 65, guide wheel; 66, rope; 67, can body; 68, feed pipe; 69, cover; 70, hook; 71, discharge chute; 72, positioning frame; 73, clamping frame; 74, positioning cylinder; 75, positioning plate; 76, positioning slot; 77, first slide slot; 78, guide column; 79, blocking plate; 80, return spring; 81, second slide slot; 82, blocking opening plate; 83, opening rope. DETAILED DESCRIPTION

[0038] To facilitate those skilled in the art to understand the present invention, specific implementations of the present invention are described below with reference to the accompanying drawings.

[0039] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" 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, or it can be the internal connection of two elements; for ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood through specific circumstances.

[0040] like Figure 1 As shown, the present invention provides a NdFeB casting sheet hydrogen crushing device, including a furnace liner assembly and an electric furnace assembly for heating the hydrogen crushing furnace liner 3; the electric furnace assembly is arranged on both sides of the furnace liner assembly; Figure 2 As shown, the furnace assembly includes a furnace support 1 and a rotating frame 2 rotatably arranged on the furnace support 1, and the hydrogen crushing furnace 3 is rotatably matched on the rotating frame 2; the bottom of the furnace support 1 is a square frame structure, and its two sides are trapezoidal frame structures, and shaft seats 4 are respectively provided on both sides of the furnace support 1; the rotating frame 2 is a square frame structure, and rotating shafts 5 are provided on both sides of the rotating frame 2, and the rotating shafts 5 are rotatably matched with the furnace support 1 through the shaft seats 4; the rotating shaft 5 on one side extends out of the shaft seat 4 and is connected to the furnace drive device; the furnace drive device includes a support table 6; the lower side of the support table 6 has four legs, and the four leg brackets are provided with a motor mounting plate 7; the motor mounting plate 7 is provided with a furnace The furnace driving motor 8; a reduction box 9 is provided on the support platform 6, and the reduction box 9 has an input shaft and an output shaft; a driven wheel 11 is provided on the input shaft of the reduction box 9, and the output shaft of the reduction box 9 is connected to the rotating shaft 5 through a coupling; a driving wheel 10 is provided on the motor shaft of the furnace driving motor 8, and the driving wheel 10 and the driven wheel 11 are connected through a transmission belt 12 (the driving wheel 10 and the driven wheel 11 can be sprockets, gears, and the transmission belt 12 can be a conveyor belt or a chain); the furnace driving motor 8 adopts a brake motor, which automatically locks when the motor is turned off; the furnace driving motor 8 drives the rotating frame 2 and the hydrogen crushing furnace 3 to rotate after the speed is reduced and the torque is increased by the reduction box 9.

[0041] like Figure 3 , Figure 5As shown, through matching grooves 13 are provided on both sides of the rotating frame 2, and turbines 14 are provided in the matching grooves 13, and turbine shafts 15 are keyed on the turbines 14; the turbine shafts 15 extend inside the rotating frame 2 for connection with the hydrogen crushing furnace 3; an adjusting shaft channel 17 connecting the matching grooves 13 and the side is provided on the rotating frame 2, and the adjusting shaft 16 is rotatably matched in the adjusting shaft channel 17; both sides of the adjusting shaft 16 have limiting structures to prevent the adjusting shaft 16 from axially moving along the adjusting shaft channel 17; a worm 18 is provided at one end of the adjusting shaft 16 close to the matching groove 13, and the worm 18 is matched with the turbine 14; a driving head 19 with a hexagonal cross section is provided at the other end of the adjusting shaft 16 (the driving head 19 can be a pentagon, a quadrilateral, etc.) The hydrogen crushing furnace 3 is a kind of hydrogen crushing furnace with a non-circular cross section. The side of the rotating frame 2 is provided with an adjusting component for driving the adjusting shaft 16 to rotate. When loading, the material opening of the hydrogen crushing furnace 3 is aligned with the upper side, and the material is loaded. The NdFeB casting sheet is introduced into the hydrogen crushing furnace 3, and the material opening is closed. Then, the hydrogen crushing furnace 3 is adjusted to a horizontal state by the adjusting component. Under the cooperation of the worm 18 and the turbine 14, the hydrogen crushing furnace 3 is self-locked. The electric furnace assembly is close to the hydrogen crushing furnace 3 and heats it. The furnace driving motor 8 drives the rotating frame 2 and the hydrogen crushing furnace 3 to rotate. After the hydrogen crushing is completed, the electric furnace assembly is retracted. After cooling the hydrogen crushing furnace 3, the hydrogen crushing furnace 3 is driven to rotate by the adjusting component so that the material opening of the hydrogen crushing furnace 3 is aligned with the lower side. The material opening is opened for discharging.

[0042] Figure 6 What is shown is a schematic diagram of the structure of the adjustment component, which includes two relatively arranged guide rail screw slides 20, the guide rail screw slides 20 having a driving source (motor), an N-shaped adjustment frame 21 is provided on the slider of the guide rail screw slide 20, an adjustment mounting plate 22 is horizontally provided on the adjustment frame 21, two adjustment motors 23 are provided on the adjustment mounting plate 22, the motor shaft of the adjustment motor 23 extends out of the adjustment mounting plate 22 and is fixed to one end of the transmission shaft 24 through a coupling, and the other end of the transmission shaft 24 is fixed to the adjustment head 25, and the adjustment head 25 has a groove corresponding to the drive head 19; the adjustment head 25 can be clamped on the drive head 19 to drive the drive head 19 to rotate; the guide rail screw slide 20 controls the cooperation and separation of the adjustment head 25 and the drive head 19.

[0043] The present application proposes a furnace liner assembly with a specific structure, and is also equipped with an adjustment assembly with a specific structure and capable of driving the hydrogen-crushed furnace liner 3 on the furnace liner assembly to rotate in a specific manner, so as to realize the switching of the direction of loading and unloading the hydrogen-crushed furnace liner 3; at the same time, the cooperation of the turbine 14 and the worm 18 makes the hydrogen-crushed furnace liner 3 self-locking; by setting the adjustment shaft 16 and the drive head 19, the rotation angle of the hydrogen-crushed furnace liner 3 can be adjusted at the end of the rotating frame 2; in this way, the driving source is externalized, and there is no motor around the rotating frame 2 and the hydrogen-crushed furnace liner 3; the electric furnace assembly can directly heat the hydrogen-crushed furnace liner 3.

[0044] During the rotating hydrogen crushing process of the hydrogen crushing furnace 3, the NdFeB castings inside the hydrogen crushing furnace 3 need to be turned over by rotation so that the heating is more uniform, in order to further increase the floating effect; Figure 4 As shown, floating columns 26 are arranged on both sides of the hydrogen crushing furnace 3, and floating plates 27 are slidably matched on the floating columns 26, and the ends of the floating columns 26 have anti-slip structures; floating springs 28 (with a larger progress coefficient) are passed through the floating columns 26, and the turbine shaft 15 extends out of the inner side of the rotating frame 2 and is fixed in the middle of the floating plates 27; when the furnace driving motor 8 drives the hydrogen crushing furnace 3 to rotate, the hydrogen crushing furnace 3 will move left and right along the floating plates 27, so that the NdFeB castings inside the hydrogen crushing furnace 3 float three-dimensionally; the internal disturbance effect is increased, so that the heating is more uniform.

[0045] The electric furnace assembly is used to heat the periphery of the hydrogen crushing furnace 3 when the hydrogen crushing furnace 3 rotates; Figure 7-8 As shown, the electric furnace assembly includes an electric furnace cover 29 and an electric furnace frame for fixing the electric furnace cover 29, and the electric furnace frame is slidably matched on the track 30; the electric furnace cover 29 and the hydrogen crushing furnace 3 adopt the Shengkaiyuan XZHD500 model; the electric furnace frame includes a U-shaped circuit frame 31 and an N-shaped electric furnace bracket 32 ​​arranged on the circuit frame 31, and the circuit frame 31 is provided with a track wheel 33, and the track wheel 33 is rollingly matched on the track 30; the side wall of the electric furnace bracket 32 ​​is provided with a furnace cover fixing column 34, and the electric furnace cover 29 is respectively fixed to the electric furnace bracket 32 ​​through the furnace cover fixing column 34; a furnace cover driving member is provided between the tracks 30, and the furnace cover driving member includes two furnace cover motors 35 arranged oppositely, and the motor shafts of the furnace cover motors 35 are respectively provided with furnace cover gears 36, and the furnace cover gears 36 are connected to the furnace cover chain The circuit chassis 31 on one side is fixed to the upper side of the furnace hood chain 37 by a first fixing block 38, and the circuit chassis 31 on the other side is fixed to the lower side of the furnace hood chain 37 by a second fixing block 39, and the upper side of the second fixing block 39 has a notch, and the upper side of the furnace hood chain 37 passes through the notch on the upper side of the second fixing block 39; when in use, the furnace hood motor 35 drives the furnace hood chain 37 to drive counterclockwise, thereby driving the left electric furnace rack to move to the right and the right electric furnace rack to move to the left; the electric furnace racks on both sides move synchronously, and the electric furnace hood 29 contacts to close the rotating frame 2 and the hydrogen crushing furnace 3, and the end of the electric furnace hood 29 has a semicircular notch and does not contact the rotating shaft 5 on both sides of the rotating frame 2.

[0046] The material port of the hydrogen crushing furnace 3 is a two-way handwheel structure, which can only be opened and closed manually during loading and discharging. In order to solve this problem, Figure 9-10As shown, a loading platform 40 is provided on the upper side of the furnace support 1; two loading opening components 41 are provided on the lower side of the loading platform 40, and two discharging opening components 42 are provided on the lower side of the furnace support 1; the loading opening components 41 and the discharging opening components 42 have the same structure and are used to drive the hand wheel of the hydrogen crushing furnace 3 to rotate; Fig.10 As shown, the loading and opening assembly 41 includes an opening support plate 43, on which an opening cylinder 44 is provided, a push head of the opening cylinder 44 passes through the opening support plate 43 and is fixed to a U-shaped opening frame 45, an opening motor 46 is provided on the opening frame 45, a motor shaft of the opening motor 46 extends out of the opening frame 45 and is fixed to an opening contact plate 47; a plurality of opening fixing columns 49 are provided on the clamping surface of the opening contact plate 47, the opening fixing columns 49 are embedded in the opening contact plate 47, the end of the opening fixing column 49 is a shrinking groove structure, an opening movable column 48 is slidably fitted in the shrinking groove, and a contact spring 50 is provided at the bottom of the shrinking groove; the opening movable column 48 is squeezed after contacting the hand wheel of the material opening of the hydrogen crushing furnace 3; the contact end of the opening movable column 48 is retracted to surround the hand wheel, and the rotation of the opening motor 46 drives the hand wheel to rotate, thereby opening the material opening of the hydrogen crushing furnace 3.

[0047] like Fig.11 As shown, the NdFeB casting sheet hydrogen crushing device also includes a feeding assembly and a casting sheet storage tank; the feeding assembly is arranged on the feeding platform 40, and is used to connect the casting sheet storage tank and the material port of the hydrogen crushing furnace 3; the casting sheet storage tank is used to store the NdFeB casting sheet, and then the casting sheet storage tank on the ground is hoisted to the feeding platform 40 by the overhead crane; Figure 12-13 As shown, the feeding assembly includes a storage tank connecting member and a furnace connecting member. The storage tank connecting member is arranged on the upper side of the feeding platform 40 for connecting with the casting storage tank; the furnace connecting member is arranged on the lower side of the feeding platform 40 for connecting with the material port of the hydrogen crushing furnace 3; the feeding platform 40 has a channel so that the storage tank connecting member is connected to the furnace connecting member; the storage tank connecting member includes a first fixed plate 51 fixed to the feeding platform 40, and the first fixed plate 51 has a channel in the middle; the upper side of the first fixed plate 51 is fixed to the first movable clamping plate 52 through a first bellows 53; the first movable clamping plate 52 is used to connect with the casting storage tank; the furnace connecting member includes a second fixed plate 54 fixed to the feeding platform 40, and the second fixed plate 54 has a channel in the middle; the lower side of the second fixed plate 54 is fixed to the second movable clamping plate 55 through a second bellows 56, and the second movable clamping plate 55 is used to connect with the material port of the hydrogen crushing furnace 3; as shown Fig.14 As shown, the first movable clamping plate 52 has a channel connected to the first bellows 53, and the upper outer edge of the first movable clamping plate 52 is provided with a square annular groove corresponding to the lower side of the casting slab storage tank, and the second movable clamping plate 55 has a channel connected to the second bellows 56, and the lower outer edge of the second movable clamping plate 55 is provided with a circular annular groove corresponding to the material opening of the hydrogen crushing furnace 3; Fig.13 As shown, upper pressing push rods 57 are provided on both sides of the first fixed connecting plate 51, and the push heads of the upper pressing push rods 57 pass upward through the feeding platform 40 and are connected to the L-shaped abutting rods 58; the vertical side of the abutting rods 58 slides and fits with the side of the first movable clamping plate 52; the upper side of the abutting rods 58 has an anti-slip structure to prevent the first movable clamping plate 52 from axially slipping out; the abutting rods 58 on the lower side of the first movable clamping plate 52 are provided with a first pressing spring 59; the first movable clamping plate 52 is provided with linkage pull plates 60 on both sides; the upper side of the second movable clamping plate 55 is provided with a pressing column 61, which presses The end of the column 61 has an anti-slip structure, and a linkage pressure plate 62 is slidably fitted on the pressure column 61; a second crimping spring 63 is passed through the pressure column 61 between the second movable clamping plate 55 and the linkage pressure plate 62; guide wheel frames 64 are provided on both sides of the second fixed plate 54, and guide wheels 65 are provided on the guide wheel frames 64; the position of the guide wheel frames 64 corresponds to the position of the linkage pressure plate 62; the end of the linkage pull plate 60 is fixed to one end of the rope 66, and the other end of the rope 66 passes downward through the loading platform 40 and passes around the guide wheel 65 and is fixed to the end of the linkage pressure plate 62.

[0048] like Fig.15 As shown, when in use, the casting storage tank on the ground is lifted to the position corresponding to the storage tank connecting member on the loading platform 40 by the overhead crane; the upper pressing push rod 57 is extended, and the first crimping spring 59 presses the first movable clamping plate 52 to move upward. During the upward movement of the first movable clamping plate 52, the linkage pull plate 60 moves upward and pulls the rope 66 upward; the rope 66 pulls the linkage pressing plate 62 downward, and the linkage pressing plate 62 moves downward, and the second crimping spring 63 presses the second movable clamping plate 55 to move downward; the first movable clamping plate 52 moves upward, and the second crimping spring 63 presses the second movable clamping plate 55 to move downward; the second movable clamping plate 55 moves downward. After a movable clamping plate 52 contacts the lower side of the casting storage tank, the casting storage tank is stuck in the square annular groove, the first push rod continues to extend, and the first crimping spring 59 is squeezed, so that the first movable clamping plate 52 and the casting storage tank are flexibly pressed and sealed; after the second movable clamping plate 55 contacts the material opening of the hydrogen crushing furnace 3, the material opening of the hydrogen crushing furnace 3 is stuck in the circular annular groove, and the linkage pressing plate 62 moves downward to squeeze the second crimping spring 63, so that the second movable clamping plate 55 and the hydrogen crushing furnace 3 are flexibly pressed and sealed.

[0049] The NdFeB castings need to be stored in a storage tank and sealed in a bag. The purpose of this is to prevent the NdFeB castings from reacting with oxygen in the air and from contacting dust or other pollutants to keep them clean. One embodiment of the casting storage tank includes a barrel and a sealed bag (not shown) sleeved on the barrel. Although this method can ensure that the NdFeB castings are not exposed to the air, after being hoisted to the loading platform 40 by the overhead crane, manual loading is required. Fig.11 , Fig.16As shown, one embodiment of the casting sheet storage tank includes a tank body 67 with a square cross-section, a cylindrical feeding pipe 68 is provided on the upper side of the tank body 67, a sealing cover 69 is threadedly matched on the upper side of the feeding pipe 68, and a hook 70 is provided on the upper side of the sealing cover 69; the sealing cover 69 is opened to fill the NdFeB casting sheet into the tank body 67, and the upper outer edge of the tank body 67 has a flange; Fig.17 As shown, the bottom of the tank body 67 is provided with a conical discharge groove 71, and the bottom of the discharge groove 71 is provided with a blocking member; Fig.16 As shown, the loading platform 40 is provided with a fixing assembly for fixing the can body 67, and the fixing assembly includes two L-shaped positioning frames 72 arranged opposite to each other, and the upper sides of the two positioning frames 72 are connected by a clamping frame 73, and the middle of the clamping frame 73 has a channel, and the can body 67 is clamped in the channel of the clamping frame 73 by flanging; positioning cylinders 74 are respectively provided on the positioning plates 75 on both sides, and positioning plates 75 are respectively provided on the push heads of the positioning cylinders 74, and positioning grooves 76 corresponding to the positioning plates 75 are respectively provided on the outer edges of the can body 67; Fig.19 As shown, when in use, the tank body 67 is lifted to the loading platform 40 by the overhead crane and clamped on the clamping frame 73, the positioning cylinder 74 is extended, and the positioning plate 75 is clamped in the positioning groove 76 to position the tank body 67 (after the positioning plate 75 fixes the tank body 67, the casting storage tank will not move up and down); the first crimping spring 59 presses the first movable clamping plate 52 to move upward, and after the first movable clamping plate 52 contacts the lower side of the casting storage tank, the casting storage tank is clamped in the square ring groove; at this time, the first push rod continues to The first movable clamping plate 52 will not move after contacting the lower side of the casting storage tank; the first crimping spring 59 is squeezed by the abutting rod 58 and the first movable clamping plate 52, and the abutting rod 58 can continue to slide upward relative to the first movable clamping plate 52, and after exceeding the first movable clamping plate 52, it contacts the blocking component to open the blocking component; the NdFeB component inside the tank body 67 is discharged through the discharge groove 71, and is introduced into the hydrogen crushing furnace 3 through the storage tank connecting component and the furnace connecting component.

[0050] like Figure 17-18 As shown, the blocking component includes a first slide groove 77 arranged relatively to the inner cavity of the tank body 67, and a guide column 78 is provided in the first slide groove 77; two blocking plates 79 are slidably matched with the guide column 78, and return springs 80 are passed through the two ends of the guide column 78. A second slide groove 81 is vertically provided on the side of the tank body 67, and an L-shaped blocking and opening plate 82 is slidably matched with the second slide groove 81. The bottom of the blocking and opening plate 82 is connected to one end of an opening rope 83, and the other end of the opening rope 83 extends and is fixed to the inside of the tank body 67 and the side of the blocking plate 79; the abutment rod 58 exceeds the first movable clamping plate 52 and pushes the blocking and opening plate 82 upward, and the opening rope 83 pulls the blocking plate 79 to move outward, automatically opening the discharge chute 71.

[0051] If the fixing method is not separately introduced above, the general technical means used by technicians in the industry are used, such as welding, nesting, or threaded fixing.

[0052] The following points need to be explained:

[0053] (1) The drawings of the embodiments of the present invention only relate to the structures related to the embodiments of the present invention, and other structures may refer to the general design.

[0054] (2) For the sake of clarity, in the drawings used to describe the embodiments of the present invention, the thickness of the layers or regions is exaggerated or reduced, that is, these drawings are not drawn according to the actual scale. It is understood that when an element such as a layer, film, region or substrate is referred to as being "on" or "under" another element, the element may be "directly" "on" or "under" the other element or there may be intermediate elements.

[0055] (3) In the absence of conflict, the embodiments of the present invention and the features therein may be combined with each other to obtain new embodiments.

[0056] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. The protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A hydrogen crushing device for NdFeB castings, characterized in that: The invention comprises a furnace chamber assembly and an electric furnace assembly for heating a hydrogen-crushed furnace chamber (3); the electric furnace assembly is arranged on both sides of the furnace chamber assembly; the furnace chamber assembly comprises a furnace chamber support (1) and a rotating frame (2), and the hydrogen-crushed furnace chamber (3) is rotatably matched with the rotating frame (2); shaft seats (4) are respectively arranged on both sides of the furnace chamber support (1); rotating shafts (5) are arranged on both sides of the rotating frame (2), and the rotating shafts (5) are rotatably matched with the furnace chamber support (1) through the shaft seats (4); the rotating shaft (5) on one side extends out of the shaft seat (4) and is connected to a furnace chamber driving device; the furnace chamber driving device is used to drive the rotating frame (2) and the hydrogen-crushed furnace chamber (3) to rotate; through-going matching grooves (13) are arranged on both sides of the rotating frame (2), and the matching grooves (13) are arranged on both sides of the rotating frame (2). A turbine (14) is provided in the groove (13), and a turbine shaft (15) is key-connected to the turbine (14); the turbine shaft (15) extends inside the rotating frame (2) and is used to be connected to the hydrogen crushing furnace (3); an adjusting shaft channel (17) communicating with the matching groove (13) and the side is provided on the rotating frame (2), and the adjusting shaft (16) is rotatably matched in the adjusting shaft channel (17); a worm (18) is provided at one end of the adjusting shaft (16) close to the matching groove (13), and the worm (18) is connected to the turbine (14); a driving head (19) with a non-circular cross section is provided at the other end of the adjusting shaft (16), and an adjusting component for driving the adjusting shaft (16) to rotate is provided on the side of the rotating frame (2); The upper side of the furnace support (1) is provided with a loading platform (40); two loading opening components (41) are oppositely provided on the lower side of the loading platform (40); and two discharging opening components (42) are provided on the lower side of the furnace support (1); the loading opening component (41) comprises an opening support plate (43); an opening cylinder (44) is provided on the opening support plate (43); a push head of the opening cylinder (44) passes through the opening support plate (43) and is fixed to an opening frame (45); and an opening motor (46) is provided on the opening frame (45). , the motor shaft of the opening motor (46) extends out of the opening frame (45) and is fixed to the opening contact plate (47); a plurality of opening fixing columns (49) are provided on the clamping surface of the opening contact plate (47), the opening fixing columns (49) are embedded in the opening contact plate (47), the ends of the opening fixing columns (49) are of a shrinking groove structure, an opening movable column (48) is slidably fitted in the shrinking groove, and a contact spring (50) is provided at the bottom of the shrinking groove; the loading opening assembly (41) and the discharging opening assembly (42) have the same structure; A loading assembly is also provided on the upper side of the loading platform (40); the loading assembly is used to connect the casting sheet storage tank and the material opening of the hydrogen crushing furnace (3); the casting sheet storage tank is used to store NdFeB casting sheets; the loading assembly comprises a storage tank connecting component and a furnace connecting component; the storage tank connecting component is provided on the upper side of the loading platform (40) and is used to connect with the casting sheet storage tank; the furnace connecting component is provided on the lower side of the loading platform (40) and is used to connect with the material opening of the hydrogen crushing furnace (3); the loading platform (40) has a channel so that the storage tank connecting component and the furnace connecting component are connected.

2. The NdFeB casting sheet hydrogen fracturing device according to claim 1, characterized in that: The adjustment assembly comprises two guide rail screw slides (20) arranged opposite to each other, the guide rail screw slides (20) having a driving source, an adjustment frame (21) being provided on a slider of the guide rail screw slides (20), an adjustment mounting plate (22) being provided on the adjustment frame (21), two adjustment motors (23) being provided on the adjustment mounting plate (22), a motor shaft of the adjustment motor (23) extending out of the adjustment mounting plate (22) and being fixed to one end of a transmission shaft (24), the other end of the transmission shaft (24) being fixed to an adjustment head (25), and the adjustment head (25) having a groove corresponding to the driving head (19).

3. The NdFeB casting sheet hydrogen fracturing device according to claim 1, characterized in that: The furnace driving device comprises a support platform (6); the support platform (6) has four legs on the lower side, and the four leg brackets are provided with a motor mounting plate (7); a furnace driving motor (8) is provided on the motor mounting plate (7); a reduction box (9) is provided on the support platform (6), and the reduction box (9) has an input shaft and an output shaft; a driven wheel (11) is provided on the input shaft of the reduction box (9), and the output shaft of the reduction box (9) is connected to the rotating shaft (5) via a coupling; a driving wheel (10) is provided on the motor shaft of the furnace driving motor (8), and the driving wheel (10) and the driven wheel (11) are connected to each other via a transmission belt (12).

4. The NdFeB casting sheet hydrogen fracturing device according to claim 1, characterized in that: Floating columns (26) are arranged opposite to each other on both sides of the hydrogen crushing furnace (3), and a floating plate (27) is slidably fitted on the floating column (26); a floating spring (28) is passed through the floating column (26), and the turbine shaft (15) extends out of the inner side of the rotating frame (2) and is fixed in the middle of the floating plate (27).

5. The NdFeB casting sheet hydrogen fracturing device according to claim 1, characterized in that: The electric furnace assembly comprises an electric furnace cover (29) and an electric furnace frame for fixing the electric furnace cover (29), the electric furnace frame being slidably matched on a track (30); the electric furnace frame comprising a circuit base frame (31) and an electric furnace support (32) arranged on the circuit base frame (31), the circuit base frame (31) being provided with a track wheel (33), the track wheel (33) being rollingly matched on the track (30); a furnace cover fixing column (34) is provided on the side wall of the electric furnace support (32), the electric furnace cover (29) being fixed to the electric furnace support (32) via the furnace cover fixing column (34); a furnace cover driving member is provided between the tracks (30), the furnace cover driving member being used to drive the electric furnace cover (29) to move.

6. The NdFeB casting sheet hydrogen fracturing device according to claim 5, characterized in that: The furnace hood driving member comprises two furnace hood motors (35) arranged opposite to each other, furnace hood gears (36) being respectively arranged on the motor shafts of the furnace hood motors (35), and the furnace hood gears (36) being connected by transmission via a furnace hood chain (37); a circuit base frame (31) on one side is fixed to the upper side of the furnace hood chain (37) via a first fixing block (38), and a circuit base frame (31) on the other side is fixed to the lower side of the furnace hood chain (37) via a second fixing block (39), the upper side of the second fixing block (39) having a notch, and the upper side of the furnace hood chain (37) passes through the notch on the upper side of the second fixing block (39).

7. The NdFeB casting sheet hydrogen fracturing device according to claim 1, characterized in that: The storage tank connection component comprises a first fixed plate (51) fixed to the loading platform (40), the first fixed plate (51) having a passage in the middle; the upper side of the first fixed plate (51) is fixed to the first movable clamping plate (52) via a first bellows (53); the first movable clamping plate (52) is used to connect to the casting slab storage tank; the furnace liner connection component comprises a second fixed plate (54) fixed to the loading platform (40), the second fixed plate (54) having a passage in the middle; the lower side of the second fixed plate (54) is fixed to the second movable clamping plate (55) via a second bellows (56), the second movable clamping plate (55) being used to connect to the material opening of the hydrogen crushing furnace liner (3); upper pressing push rods (57) are provided on both sides of the first fixed plate (51), the push head of the upper pressing push rod (57) passes through the loading platform (40) upwards and is connected to the abutting rod (58), the abutting rod (58) is L-shaped; the vertical The first movable clamping plate (52) is slidably engaged with the two ends of the first movable clamping plate (52); a first pressing spring (59) is passed through the vertical side of the abutting rod (58), and the first pressing spring (59) is clamped on the horizontal side of the abutting rod (58) and the lower side of the first movable clamping plate (52); linkage pull plates (60) are provided on both sides of the first movable clamping plate (52); a pressure column (61) is provided on the upper side of the second movable clamping plate (55), and a linkage pressure plate (62) is slidably engaged with the pressure column (61); the second movable clamping plate (55) is provided with a pressure column (61) on the upper side of the second movable clamping plate (55); A second pressing spring (63) is passed through the pressing column (61) between the movable clamping plate (55) and the linkage pressing plate (62); guide wheel frames (64) are provided on both sides of the second fixed connecting plate (54), and guide wheels (65) are provided on the guide wheel frames (64); an end of the linkage pulling plate (60) is fixed to one end of a rope (66), and the other end of the rope (66) passes downward through the feeding platform (40) and around the guide wheel (65) and is fixed to the end of the linkage pressing plate (62).

8. The NdFeB casting sheet hydrogen fracturing device according to claim 7, characterized in that: The casting slab storage tank comprises a tank body (67) with a square cross-section, a cylindrical feed pipe (68) is provided on the upper side of the tank body (67), a cover (69) is threadedly matched on the upper side of the feed pipe (68), and a hook (70) is provided on the upper side of the cover (69); the upper outer edge of the tank body (67) has a flange; the bottom of the tank body (67) is provided with a discharge groove (71) with a conical structure, and the bottom of the discharge groove (71) is provided with a blocking member; a fixing member for fixing the tank body (67) is provided on the loading platform (40). The fixing assembly comprises two L-shaped positioning frames (72) arranged opposite to each other, the upper sides of the two positioning frames (72) are connected by a clamping frame (73), the middle of the clamping frame (73) is provided with a channel, and the can body (67) is clamped in the channel of the clamping frame (73) by flanging; positioning cylinders (74) are respectively provided on the positioning plates (75) on both sides, and positioning plates (75) are respectively provided on the pushing heads of the positioning cylinders (74), and positioning grooves (76) corresponding to the positioning plates (75) are respectively provided on the outer edges of the can body (67).

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