A rare earth electrolysis raw material automatic feeding device and electrolytic cell system

Abstract

The present invention relates to the technical field of rare earth conveying and feeding, and in particular to an automatic feeding device for raw materials for rare earth electrolysis and an electrolytic cell system; the device comprises a lateral movement unit, a feeding unit arranged on the lateral movement unit, the lateral movement unit is used to drive the feeding unit to move laterally and align with a plurality of rare earth electrolytic cells respectively; the feeding unit is used to transport the raw materials for rare earth electrolysis into the rare earth electrolytic cells; the present invention aims to solve the technical problem of how to realize automatic feeding of a plurality of rare earth electrolytic cells in a row.

Description

Technical Field

[0001] The invention relates to the technical field of rare earth conveying and feeding, and in particular to an automatic feeding device for rare earth electrolysis raw materials and an electrolytic cell system. Background Art

[0002] At present, the molten salt electrolysis method is generally used in the preparation of praseodymium and neodymium metal in China. During the production process, raw materials such as praseodymium and neodymium oxides and fluorides are added to the electrolytic cell. A large amount of heat is generated by arcing to molten electrolyte in the electrolytic cell, and then a large direct current is introduced for electrolysis. During the electrolysis process, rare earth metal ions are reduced to metal elements on the cathode surface. Since the density of metal elements is relatively large compared to the density of molten salt electrolyte, they are deposited in the collection tank at the bottom of the electrolytic cell. Workers take out the products in the collection tank at regular intervals, and then pour them into a casting mold. After cooling and molding, rare earth ingots are formed. At the same time, electrolysis raw materials are added in time according to proportion.

[0003] A Chinese patent with authorization announcement number CN212831632U discloses a feeding device for rare earth metal electrolysis, which transports rare earth electrolysis raw materials to a rare earth electrolytic cell through a screw conveyor. However, this technical solution can only feed a single rare earth electrolytic cell, and cannot feed multiple rare earth electrolytic cells in a row.

[0004] Therefore, the problem existing in the prior art is: how to automatically load multiple rare earth electrolytic cells in a row. Summary of the invention

[0005] The invention provides a rare earth electrolysis raw material automatic feeding device and an electrolytic cell system, aiming to solve the problem of how to realize automatic feeding of a plurality of rare earth electrolytic cells in a row.

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

[0007] The first aspect of the present application proposes an automatic feeding device for raw materials for rare earth electrolysis, comprising a transverse movement unit and a feeding unit arranged on the transverse movement unit, the transverse movement unit is used to drive the feeding unit to move horizontally and align with multiple rare earth electrolytic cells respectively; the feeding unit is used to transport the rare earth electrolytic raw materials into the rare earth electrolytic cells; the transverse movement unit comprises a transverse movement support frame and a transverse movement slide plate, the transverse movement support frame is used to be fixed to the ground, and a transverse movement slide shaft is fixed on the transverse movement support frame through an axle seat; four sliding sleeves are slidably matched on the transverse slide shaft, and the transverse movement slide plate is fixed on the sliding sleeve, and the sliding sleeve is located at the four corners of the transverse movement slide plate; the feeding unit is fixed on the transverse movement slide plate; transverse movement motors are installed on both sides of the transverse movement support frame through motor support plates, and a driving gear is keyed on the motor shaft; the driving gears on both sides are connected by chain transmission; the lower side of the transverse movement slide plate is connected to the The chain is fixed; the feeding unit includes a feeding base frame and a feeding support frame vertically arranged on one side of the feeding base frame; a hopper support is provided on the other side of the feeding base frame, and a conical feeding hopper is arranged on the hopper support; a screw feeder is inclinedly provided on the upper side of the feeding support frame; the bottom of the feeding hopper is fixed to the feeding end of the screw feeder, the inner cavity of the feeding hopper is communicated with the inner cavity of the screw feeder, and the discharge end of the screw feeder is connected with the feeding side of the furnace feeding mechanism through a bellows; an upper supporting bracket is horizontally provided on the side of the feeding support frame, and the upper supporting push rod is fixed on the upper supporting bracket, and the push head of the upper supporting push rod is fixed to the right side of the furnace feeding mechanism through the upper supporting push plate, and a pulling bracket is provided at the discharge end of the screw feeder, and the pulling push rod is fixed on the pulling bracket, and the push head of the pulling push rod is fixed to the left side of the furnace feeding mechanism through the pulling plate.

[0008] Furthermore, the feeding mechanism into the furnace includes a feeding pipe and a feeding motor. A feeding port is provided on one side of the feeding pipe, and a discharging port is provided on the other side of the feeding pipe. A feeding shaft is provided inside the feeding pipe, and the feeding shaft has spiral guide blades. A U-shaped motor bracket is provided on the side of the feeding pipe, and a feeding motor is provided on the motor bracket, and the motor shaft of the feeding motor is fixed to the feeding shaft.

[0009] Furthermore, a sway mechanism is provided on the inner side of the motor bracket, and the feed shaft is connected to the sway mechanism. The rotation of the feed shaft drives the output end of the sway mechanism to swing left and right; a sway column is horizontally fixed to the sway mechanism, and the other end of the sway column is connected to the discharge pipe. An annular swing plate is provided on the upper end of the discharge pipe; a channel is provided on the swing plate, which is connected to the discharge pipe; fixed ear plates are relatively provided on both sides of the discharge port, and the swing plate is slidably matched with the fixed ear plates.

[0010] Furthermore, the sway mechanism includes an outer ring fixed to the motor bracket, an intermediate ring rotatably engaged with the inner part of the outer ring, and an inner ring fixed to the feed shaft; the outer ring is a rectangular structure, a straight outer groove is provided on the upper side of the inner cavity of the outer ring, the intermediate ring is rotatably engaged with the inner cavity of the outer ring, and a sway arm is provided on the side of the intermediate ring; an inclined intermediate groove is provided on the intermediate ring, and the intermediate groove is a through structure, the inner ring is rotatably engaged with the inner part of the intermediate ring, and an inner groove is provided on the outer edge of the inner ring; the inner groove is a ring groove structure composed of two straight segments and two oblique segments, a square linkage slider is slidably engaged on the outer groove, a linkage slide shaft is vertically provided on the lower side of the linkage slider, and the lower side of the linkage slide shaft passes through the intermediate groove and extends into the inner groove.

[0011] Furthermore, a stirring mechanism is provided on the side of the feed pipe; the stirring mechanism includes a stirring base frame arranged at the end of the feed pipe; a stirring shaft is rotatably engaged with the other side of the stirring base frame, and the lower side of the stirring shaft passes downward through the stirring base frame and is fixed to the stirring blades; two swing ear plates are relatively provided on the stirring shaft between the two stirring base frames, and a stirring sleeve is vertically provided on the other end of the stirring ear plate, and a stirring sleeve is slidably engaged with the stirring sleeve, and a stirring drive shaft is horizontally provided on the stirring sleeve; the end of the feed shaft extends out of the feed pipe and is fixed to the center of the stirring drive plate, and the stirring drive shaft is rotatably engaged with the edge of the stirring drive plate.

[0012] Furthermore, a knocking mechanism is provided on the side of the corrugated pipe, and the knocking mechanism includes a knocking base frame fixed to the outer wall of the screw feeder, and the knocking base frame is an H-shaped structure. A driving gear is keyed on the feed shaft on the side of the swaying mechanism, and the driving gear is located between the motor brackets. A knocking transmission shaft is rotatably provided on the knocking base frame; a driven gear is keyed at one end of the knocking transmission shaft, and the driving gear and the driven gear are connected through a synchronous chain transmission; the other side of the knocking transmission shaft is fixed to the center of the knocking drive plate; the knocking base frame is close to the corrugated pipe. A striking pendulum shaft is rotatably matched with one side of the bellows, and two striking ear plates are relatively provided on the striking pendulum shaft between the striking base frames, a striking sleeve shaft is vertically provided on the other end of the striking ear plate, and a striking sleeve is slidably matched with the striking sleeve shaft; a striking drive shaft is horizontally provided on the striking sleeve, and the other end of the striking drive shaft is rotatably matched with the edge of the striking drive plate; a striking seat with a T-shaped structure is horizontally provided in the middle of the striking pendulum shaft, and striking columns are respectively provided at both ends of the striking seat, and the ends of the striking columns are connected to the striking head through striking springs.

[0013] The second aspect of the present application proposes an electrolytic cell system, including the automatic feeding device for rare earth electrolytic raw materials of the above-mentioned embodiment, and also including a six-axis arm robot and a crucible clamping assembly and an electrolytic cell unit arranged on the six-axis arm robot; a support platform is provided on one side of the electrolytic cell unit; an electrode push rod is provided on the support platform; a sliding sleeve is provided on the support platform; the electrode arm is slidably fitted in the sliding sleeve; the electrode push rod is fixed to the end of the electrode arm, and the cathode rod is vertically arranged on the other side of the electrode arm, and the cathode rod extends into the electrolytic cell.

[0014] Furthermore, the crucible clamping assembly includes a clamping base and a clamping arm which is relatively slidably arranged on the base; a cross-shaped clamping claw plate is provided on the clamping claw plate, and a connecting frame is provided on the clamping claw plate, the connecting frame is an L-shaped structure, and the downward cylinder is arranged on the connecting frame; the push head of the downward cylinder passes downward through the connecting frame and is fixed to the clamping turntable; the extension and contraction of the downward cylinder can drive the clamping base to rise and fall as a whole; clamping grooves are relatively opened on the clamping base, and the clamping arm slides in the clamping grooves; a clamping motor is installed on one side of the clamping base through a motor support; the motor shaft of the clamping motor is connected to one end of the first lead screw through a torque limiting coupling, and the other end of the first lead screw is connected to one end of the second lead screw through a coupling; the other end of the second lead screw is connected to a bearing; the bearing is fixed to the clamping base through a bearing support; the thread rotation direction of the first lead screw and the second lead screw is opposite; the clamping arm is respectively threaded with the first lead screw and the second lead screw.

[0015] Furthermore, a preheating substrate is provided on the side of the clamping base, a preheating tube is fixed to the lower side of the preheating substrate by a tube clamp, and an air pump is provided on the preheating tube; the clamping arm is a hollow structure, four groups of air inlets are provided on the clamping arm, an exhaust port is provided on the upper side of the air inlet, and the exhaust port is connected to one end of the preheating tube through a heat-proof hose; the other end of the preheating tube is used to spray hot air into the casting mold.

[0016] Furthermore, a mold unit and a turning unit for pouring the rare earth liquid in the crucible into the mold unit are provided on the side of the electrolytic cell unit; the mold unit comprises a mold base and a transverse push rod provided on the mold base, the transverse push rod passes through the mold base and is fixed to a U-shaped demoulding drive frame, and a demoulding motor is provided inside the demoulding drive frame; the motor shaft of the demoulding motor passes through the demoulding drive frame and is fixed to the side of the casting mold; the upper side of the casting mold has a trapezoidal accommodating space, and the rare earth liquid is poured into the casting mold to form a rare earth ingot; A release agent support plate is horizontally arranged on the upper side, and a release agent holding tank is fixed to the upper side of the release agent support plate through a fixing frame; a liquid inlet is arranged on the upper side of the release agent holding tank, and a liquid outlet is arranged on the lower side, and the liquid outlet passes through the release agent support plate downward; an n-shaped diverter frame is arranged on the side of the mold base, and a diverter pipe is arranged on the diverter frame, with the main pipe of the diverter pipe facing upward and the branch pipe of the diverter pipe facing downward; the liquid outlet of the release agent holding tank is connected to one end of a demoulding hose, and the other end of the demoulding hose is connected to the main pipe of the diverter pipe, and a release agent pump is arranged on the demoulding hose.

[0017] The beneficial effects achieved by the present invention are as follows: the transverse motor drives the transverse slide plate to move along the transverse slide shaft to adjust the position so that the loading unit corresponds to the rare earth electrolytic cell; the pulling push rod is extended and the upper push rod is retracted, so that the furnace feeding mechanism moves downward, and the discharge end of the furnace feeding mechanism is aligned with the rare earth electrolytic cell; the rare earth electrolytic raw materials in the loading hopper are input into the furnace feeding mechanism through the spiral feeder, and output to the rare earth electrolytic cell through the furnace feeding mechanism; when feeding, the feeding motor is started to drive the feeding shaft to rotate, and the rare earth electrolytic cell is fed into the furnace feeding mechanism. The raw materials for rare earth electrolysis are transported to the electrolytic furnace; the rotation of the feed shaft drives the inner ring to rotate; the linked sliding shaft slides along the annular inner slide groove; when the linked sliding shaft moves to one of the straight sections of the inner slide groove, the horizontal swing arm drives the discharge pipe to move to the side, and the rare earth electrolysis raw materials are transported to the side of the rare earth electrolytic cell through the feed shaft; when the linked sliding shaft moves to another straight section of the inner slide groove, the horizontal swing arm drives the discharge pipe to move to the other side, and the rare earth electrolysis raw materials are transported to the other side of the rare earth electrolytic cell; thereby avoiding the accumulation of materials on one side in the furnace. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The present invention is a schematic structural diagram of the automatic feeding device for rare earth electrolysis raw materials.

[0019] Figure 2 It is a schematic diagram of the structure of the transverse shift unit of the present invention.

[0020] Figure 3 It is a schematic structural diagram of a feeding unit of the present invention.

[0021] Figure 4 It is a structural schematic diagram of the furnace feeding mechanism of the present invention.

[0022] Figure 5 It is a schematic diagram of the structure of the discharge pipe of the present invention.

[0023] Figure 6 The structure of the swing mechanism of the present invention is shown in FIG. Figure 1 .

[0024] Figure 7 The structure of the swing mechanism of the present invention is shown in FIG. Figure 2 .

[0025] Figure 8 The structure of the swing mechanism of the present invention is shown in FIG. Figure 3 .

[0026] Fig. 9 It is a schematic diagram of the structure of the stirring mechanism of the present invention.

[0027] Fig.10 It is a structural schematic diagram of the knocking mechanism of the present invention.

[0028] Fig.11 It is a schematic diagram of the structure of the electrolytic cell system of the present invention.

[0029] Fig.12 The electrolytic cell unit structure of the present invention is schematically shown in FIG. Figure 1 .

[0030] Fig.13 The electrolytic cell unit structure of the present invention is schematically shown in FIG. Figure 2 .

[0031] Fig.14 The crucible clamping assembly structure of the present invention is schematically shown in FIG. Figure 1 .

[0032] Fig.15 The crucible clamping assembly structure of the present invention is schematically shown in FIG. Figure 2 .

[0033] Fig.16 It is a schematic diagram of the positions of the mold unit and the flip unit of the present invention.

[0034] Fig.17 This is a schematic diagram of the mold unit and the flip unit structure of the present invention. Figure 1 .

[0035] Fig.18 This is a schematic diagram of the mold unit and the flip unit structure of the present invention. Figure 2 .

[0036] In the figure, 1, transverse support frame; 2, transverse slide plate; 3, transverse slide shaft; 4, sliding sleeve; 5, transverse motor; 6, driving gear; 7, chain; 8, fixed clamp; 9, loading base frame; 10, loading support frame; 11, reinforcing ribs; 12, hopper bracket; 13, loading hopper; 14, screw feeder; 15, bellows; 16, upper support bracket; 17, upper support push rod; 18, upper support push plate; 19, pulling bracket; 20, pulling push rod; 21, pulling plate; 22, feeding pipe; 23, feeding motor; 24, feeding port; 25, discharging port; 26, feeding shaft; 27, guide blade; 28, motor bracket; 29, sway column ;30, discharge pipe;31, swing plate;32, fixed ear plate;33, outer ring;34, middle ring;35, inner ring;36, outer slide;37, horizontal swing arm;38, middle slide;39, inner slide;40, linkage slider;41, linkage slide shaft;42, stirring base frame;43, stirring shaft;44, stirring blade;45, swing ear plate;46, stirring sleeve shaft;47, stirring sleeve;48, stirring drive shaft;49, stirring drive plate;50, knocking base frame;51, driving gear;52, knocking transmission shaft;53, driven gear;54, synchronous chain;55, knocking drive plate;56, knocking swing shaft;57 , knocking ear plate; 58, knocking drive shaft; 59, knocking seat; 60, knocking column; 61, knocking spring; 62, knocking head; 63, knocking sleeve shaft; 64, knocking sliding sleeve; 65, electrolytic cell unit; 66, six-axis bracket machine; 67, support table; 68, electrode push rod; 69, sliding sleeve; 70, electrode arm; 71, cathode rod; 72, clamping base; 73, clamping rod; 74, clamping claw plate; 75, connecting frame; 76, downward cylinder; 77, clamping slide; 78, clamping motor; 79, torque-limiting coupling; 80, first screw; 81, second screw; 82, clamping slide; 83, mounting seat; 84, buffer spring Spring; 85, preheating substrate; 86, preheating tube; 87, vacuum pump; 88, air inlet; 89, exhaust port; 90, heat-proof hose; 91, flip base; 92, flip motor; 93, crucible bracket; 94, crucible clamping plate; 95, crucible slot; 96, bracket shaft; 97, locking substrate; 98, locking cylinder; 99, pressure head; 100, mold base; 101, horizontal push rod; 102, demoulding drive frame; 103, demoulding motor; 104, demoulding agent support plate; 105, demoulding agent holding tank; 106, diverter frame; 107, diverter pipe; 108, demoulding hose; 109, demoulding agent pump; 110, casting mold. DETAILED DESCRIPTION

[0037] 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.

[0038] 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.

[0039] like Figure 1 As shown, the present invention provides an automatic feeding device for raw materials for rare earth electrolysis, comprising a lateral movement unit and a feeding unit arranged on the lateral movement unit, the lateral movement unit is used to drive the feeding unit to move horizontally and align with a plurality of rare earth electrolytic cells respectively; the feeding unit is used to transport the raw materials for rare earth electrolysis into the rare earth electrolytic cells; as shown Figure 1-2 As shown, the transverse movement unit includes a transverse movement support frame 1 and a transverse movement slide plate 2. The transverse movement support frame 1 is used to be fixed to the ground, and a transverse movement slide shaft 3 is fixed on the transverse movement support frame 1 through an axle seat; four sliding sleeves 4 are slidably matched on the transverse slide shaft, and the transverse movement slide plate 2 is fixed on the sliding sleeves 4, and the sliding sleeves 4 are located at the four corners of the transverse movement slide plate 2; the loading unit is fixed on the transverse movement slide plate 2; transverse movement motors 5 are installed on both sides of the transverse movement support frame 1 through motor support plates, and a driving gear 6 is keyed on the motor shaft; the driving gears 6 on both sides are connected by a chain 7 transmission; the lower side of the transverse movement slide plate 2 is fixed to the chain 7 through a fixed clamp 8, and the transverse movement motor 5 rotates, and the chain 7 is driven to move by the driving gear 6; the transverse movement slide plate 2 moves along the transverse movement slide shaft 3 to adjust its position; so that the loading unit is aligned with the rare earth electrolytic cell respectively; the transverse movement motor 5 rotates in the opposite direction, and the transverse movement slide plate 2 drives the loading unit to return.

[0040] like Figure 3As shown, the feeding unit includes a feeding base frame 9 and a feeding support frame 10 vertically arranged on one side of the feeding base frame 9, and three reinforcing ribs 11 are arranged between the feeding support frame 10 and the feeding base frame 9; a hopper bracket 12 is arranged on the other side of the feeding base frame 9, and a conical feeding hopper 13 is arranged on the hopper bracket 12; a spiral feeder 14 is inclinedly arranged on the upper side of the feeding support frame 10 (the existing feeding mechanism has spiral blades inside and a motor at the end, and the spiral blades are driven by the motor to rotate for feeding); the bottom of the feeding hopper 13 is fixed to the feeding end of the spiral feeder 14, the inner cavity of the feeding hopper 13 is connected to the inner cavity of the spiral feeder 14, and the discharge end of the spiral feeder 14 is connected to the feeding side of the furnace feeding mechanism through a bellows 15; an upper support bracket 16 is horizontally arranged on the side of the feeding support frame 10, and an upper support push rod 17 is fixed on the upper support bracket 16, and the push head of the upper support push rod 17 is upward The upper support bracket 16 is extended and fixed to the upper support push plate 18 of the L-shaped structure. The vertical end of the upper support push plate 18 is fixed to the right side of the furnace feeding mechanism. The discharge end of the spiral feeder 14 is provided with an L-shaped pulling bracket 19. The pulling push rod 20 is fixed on the pulling bracket 19. The push head of the pulling push rod 20 extends downward from the pulling bracket 19 and is fixed to the pulling plate 21 of the L-shaped structure. The other side of the pulling plate 21 is fixed to the left side of the furnace feeding mechanism. When in use, the transverse motor 5 drives the transverse slide plate 2 to move along the transverse slide shaft 3 for position adjustment, so that the loading unit corresponds to the rare earth electrolytic cell; the pulling push rod 20 is extended and the upper support push rod 17 is retracted, so that the furnace feeding mechanism moves downward, and the discharge end of the furnace feeding mechanism is aligned with the rare earth electrolytic cell; the rare earth electrolytic raw materials inside the upper hopper 13 are input into the furnace feeding mechanism through the spiral feeder 14, and are output to the rare earth electrolytic cell through the furnace feeding mechanism.

[0041] like Figure 4-5 As shown, the feeding mechanism for feeding into the furnace includes a feeding pipe 22 and a feeding motor 23. A conical feeding port 24 is provided on one side of the feeding pipe 22, and a discharge port 25 is provided on the other side of the feeding pipe 22. A feeding shaft 26 is provided inside the feeding pipe 22, and a spiral guide blade 27 is provided on the feeding shaft 26. A U-shaped motor bracket 28 is provided on the side of the feeding pipe 22, and a feeding motor 23 is provided on the motor bracket 28. The motor shaft of the feeding motor 23 is fixed to the feeding shaft 26 by a coupling. The feeding motor 23 drives the feeding shaft 26 to rotate to transport the rare earth electrolysis raw materials from the side of the feeding port 24 to the side of the discharge port 25 for loading.

[0042] Direct discharge through the discharge port 25 can only be carried out at one fixed position, resulting in the accumulation of materials on one side in the rare earth motor slot; in order to solve this problem, a sway mechanism is provided on the inner side of the motor bracket 28, and the feed shaft 26 is connected to the sway mechanism. The feed shaft 26 rotates to drive the output end of the sway mechanism to swing left and right; a sway column 29 is horizontally fixed to the sway mechanism, and the other end of the sway column 29 is connected to the discharge pipe 30, and the upper end of the discharge pipe 30 is provided with a ring-shaped swing plate 31; a channel is provided on the swing plate 31, which is connected to the discharge pipe 30; Figure 5-6 As shown, fixed ear plates 32 are arranged on both sides of the discharge port 25, and the swing plate 31 is slidably matched with the fixed ear plates 32; the feeding motor 23 is started to drive the feeding shaft 26 to rotate; the rare earth electrolysis raw materials are transported to the electrolytic furnace; the feeding shaft 26 rotates to drive the output end of the swaying mechanism to swing left and right, so that the swing plate 31 slides along the fixed ear plate 32; the discharge pipe 30 swings left and right, thereby avoiding the accumulation of materials on one side in the furnace.

[0043] like Figure 6-8 As shown, the sway mechanism includes an outer ring 33 fixed to the motor bracket 28, an intermediate ring 34 rotatably fitted inside the outer ring 33, and also includes an inner ring 35 fixed to the feed shaft 26; the outer ring 33 is a rectangular structure, a straight outer slide groove 36 is provided on the upper side of the inner cavity of the outer ring 33, the intermediate ring 34 is rotatably fitted in the inner cavity of the outer ring 33, and a sway arm 37 is provided on the side of the intermediate ring 34; an inclined intermediate slide groove 38 is provided on the intermediate ring 34, and the intermediate slide groove 38 is a through structure, the inner ring 35 is rotatably fitted inside the intermediate ring 34, and an inner slide groove 39 is provided on the outer edge of the inner ring 35; the inner slide groove 39 is a ring groove structure composed of two straight segments and two oblique segments, a square linkage slider 40 is slidably fitted on the outer slide groove 36, a linkage slide shaft 41 is vertically provided on the lower side of the linkage slider 40, and the lower side of the linkage slide shaft 41 passes through the intermediate slide groove 38 and extends into the inner slide groove 39.

[0044] The feed motor 23 is started to drive the feed shaft 26 to rotate, and the rare earth electrolysis raw materials are transported to the electrolytic furnace; the rotation of the feed shaft 26 drives the inner ring 35 to rotate; the linkage slide shaft 41 slides along the annular inner slide groove 39; when the linkage slide shaft 41 moves to one of the straight sections of the inner slide groove 39, the horizontal swing arm 37 drives the discharge pipe 30 to move to the side, and the rare earth electrolysis raw materials are transported to the side of the rare earth electrolytic cell through the feed shaft 26; when the linkage slide shaft 41 moves to another straight section of the inner slide groove 39, the horizontal swing arm 37 drives the discharge pipe 30 to move to the other side, and the rare earth electrolysis raw materials are transported to the other side of the rare earth electrolytic cell; thereby avoiding the accumulation of materials on one side in the furnace.

[0045] The present application proposes a feed pipe 22 and a feed shaft 26 with a specific connection structure, and is also configured with a lateral swing mechanism with a specific structure that can drive the discharge pipe 30 to swing in a specific manner, so that when the feed shaft 26 of the device transports rare earth electrolysis raw materials to the rare earth electrolytic cell, the discharge pipe 30 swings left and right, thereby avoiding unilateral accumulation of materials in the rare earth electrolytic cell.

[0046] like Fig. 9 As shown, a stirring mechanism is provided on the side of the feed pipe 22, and the stirring mechanism is used to stir the molten material in the rare earth motor slot, thereby accelerating the fusion of the rare earth electrolysis raw materials and avoiding the accumulation of materials on one side; the stirring mechanism includes an L-shaped stirring frame 42, and the stirring frame 42 has two stirring frames, which are arranged at the ends of the feed pipe 22 opposite to each other; the other side of the stirring frame 42 is rotatably matched with a stirring shaft 43, and the lower side of the stirring shaft 43 passes through the stirring frame 42 downward and is fixed to the stirring blade 44; two swinging ear plates 45 are arranged opposite to each other on the stirring shaft 43 between the two stirring frames 42, and the other end of the stirring ear plate is vertically provided with a stirring sleeve shaft 46, a stirring sleeve shaft 46 is slidably matched with a stirring sleeve 47, and a stirring drive shaft 48 is horizontally arranged on the stirring sleeve 47; the end of the feed shaft 26 extending out of the feed pipe 22 is fixed to the center of the stirring drive plate 49, and the stirring drive shaft 48 is rotationally matched with the edge of the stirring drive plate 49; when in use, the feed motor 23 is started, driving the feed shaft 26 to rotate, and the rare earth electrolysis raw materials are transported to the electrolytic furnace; the rotation of the feed shaft 26 drives the stirring drive plate 49 to rotate, and the stirring drive shaft 48 drives the stirring sleeve shaft 46 to swing left and right through the stirring sleeve 47, so that the stirring blade 44 stirs the rare earth motor slot.

[0047] The bellows 15 is a tubular structure. The raw materials for rare earth electrolysis are powder raw materials. When feeding, they are easily adhered to the inner wall of the bellows 15, resulting in poor feeding. In order to solve this problem, a knocking mechanism is provided on the side of the bellows 15. Fig.10As shown, the knocking mechanism includes a knocking base frame 50 fixed to the outer wall of the screw feeder 14, the knocking base frame 50 is an H-shaped structure, a driving gear 51 is keyed on the feed shaft 26 on the side of the swaying mechanism, the driving gear 51 is located between the motor brackets 28, and a knocking transmission shaft 52 is rotatably provided on the knocking base frame 50; one end of the knocking transmission shaft 52 is keyed to a driven gear 53, and the driving gear 51 and the driven gear 53 are connected by a synchronous chain 54; the other side of the knocking transmission shaft 52 is fixed to the center of the knocking drive plate 55; the knocking base frame 50 is rotatably matched with a knocking swing shaft 56 on the side close to the bellows 15, and two knocking ear plates 57 are relatively provided on the knocking swing shaft 56 between the knocking base frames 50, and a knocking sleeve shaft 63 is vertically provided on the other end of the knocking ear plate 57, and a knocking sleeve shaft 64 is slidably matched on the knocking sleeve shaft 63; A knocking drive shaft 58 is arranged horizontally, and the other end of the knocking drive shaft 58 is rotatably matched with the edge of the knocking drive plate 55; a knocking seat 59 of a knocking T-shaped structure is arranged horizontally in the middle of the knocking swing shaft 56, and knocking columns 60 are respectively arranged at both ends of the knocking seat 59, and the ends of the knocking columns 60 are connected to the knocking heads 62 through knocking springs 61; when in use, the feeding motor 23 is started, driving the feeding shaft 26 to rotate, and the rare earth electrolysis raw materials are transported to the electrolytic furnace, the feeding shaft 26 drives the driving gear 51 to rotate, and the driving gear 51 drives the driven gear 53 to rotate through the synchronous chain 54; the knocking transmission shaft 52 rotates to drive the knocking drive plate 55 to rotate, and the knocking drive shaft 58 drives the knocking sleeve shaft 63 to swing through the knocking sliding sleeve 64, so that the knocking seat 59 swings, and the knocking head 62 knocks the bellows 15 left and right, thereby avoiding poor material discharge inside the bellows 15.

[0048] After the rare earth smelting molten salt electrolysis is completed, the rare earth metal is in the crucible, and it is easy to burn the operator during the operation with a clamp, and it is impossible to automatically remove the crucible. In order to solve this problem, Fig.11 As shown, the second aspect of the present application provides an electrolytic cell system, including a six-axis bracket machine 66 and a crucible clamping assembly arranged on the six-axis bracket machine 66; and also includes an electrolytic cell unit 65, wherein a plurality of electrolytic cell units 65 are arranged side by side; Figure 12-13As shown, the electrolytic cell unit 65 adopts the existing electrolytic cell with an upper plug-in cathode structure (the electrolytic cell unit 65 is an existing 10KA rare earth electrolytic cell, and the internal structure and anode structure of the electrolytic cell unit 65 are not changed). A support platform 67 is provided on one side of the electrolytic cell unit 65; an electrode push rod 68 is provided on the support platform 67; a sliding sleeve 69 is provided on the support platform 67; an electrode arm 70 is slidably matched in the sliding sleeve 69; the electrode push rod 68 is fixed to the end of the electrode arm 70, and a cathode rod 71 is vertically provided on the other side of the electrode arm 70, and the cathode rod 71 extends The crucible is extended into the electrolytic cell, and the crucible is located at the lower side of the cathode rod 71; after the anode rod of the electrolytic cell unit 65 and the cathode rod 71 are connected to the current; the electrolyte is electrolyzed between the anode rod and the cathode rod 71, and the rare earth metal electrolyzed by the cathode rod 71 is deposited in the bottom crucible; after the electrolysis is completed, the electrode push rod 68 is extended, driving the electrode arm 70 to move along the sliding sleeve 69, so that the cathode rod 71 moves to one side to avoid interference; the six-axis bracket machine 66 extends the crucible clamping assembly into the electrolytic cell unit 65, clamps and takes out the crucible, and realizes the automatic removal of the crucible.

[0049] like Fig.12 , Figure 14-15 As shown, the crucible clamping assembly includes a clamping base 72 and a clamping arm relatively slidably arranged on the base; the clamping base 72 is a hexagonal plate structure with a certain structural strength; a cross-shaped clamping claw plate 74 is provided on the clamping claw plate 74, a connecting frame 75 is provided on the clamping claw plate 74, the connecting frame 75 is an L-shaped structure, and a downward cylinder 76 is arranged on the connecting frame 75; the push head of the downward cylinder 76 passes through the connecting frame 75 downward and is fixed to the clamping turntable; the extension and contraction of the downward cylinder 76 can drive the clamping base 72 to rise and fall as a whole; a clamping slide groove 77 is relatively opened on the clamping base 72, and the clamping arm slides in the clamping slide groove 77; a motor is used on one side of the clamping base 72 The support is equipped with a clamping motor 78, and the clamping motor 78 adopts a servo motor; the motor shaft of the clamping motor 78 is connected to one end of the first lead screw 80 through a torque-limiting coupling 79, and the other end of the first lead screw 80 is connected to one end of the second lead screw 81 through a coupling; the other end of the second lead screw 81 is connected to the bearing; the bearing is fixed to the clamping base 72 through a bearing support; the thread rotation directions of the first lead screw 80 and the second lead screw 81 are opposite; the clamping arm is respectively matched with the first lead screw 80 and the second lead screw 81 threads; the lead screw is used in combination with the servo gripper to accurately control the gripping force; the torque-limiting coupling 79 plays a protective role. When an error occurs, the clamping motor 78 side is made greater than the established torque and idles.

[0050] When the crucible is clamped, the clamping arm is in hard contact with the crucible, which can easily damage the crucible. The clamping arm includes a clamping slide 82 and a clamping rod 73, and the clamping slide 82 is slidably fitted in the clamping slot 77 and is threadedly fitted with the first lead screw 80 and the second lead screw 81 respectively. When the first lead screw 80 and the second lead screw 81 rotate, the clamping slide 82 approaches or moves away from each other. The upper side of the clamping rod 73 is provided with a mounting seat 83, and two connecting rods are relatively provided on one side of the mounting seat 83, and the clamping slide 82 is provided with corresponding connecting holes. The connecting rod passes through the connecting hole and is limited by a limiting protrusion. A buffer spring 84 is provided on the connecting rod between the clamping slide 82 and the mounting seat 83; an arc-shaped clamping plate is provided on the lower side of the clamping rod 73.

[0051] The clamping motor 78 rotates forward to drive the first lead screw 80 and the second lead screw 81 to rotate synchronously, and the clamping arms approach each other to clamp the crucible; the arc-shaped clamping plate contacts the crucible, and the clamping motor 78 continues to rotate forward; at this time, the mounting seat 83 does not move, and the buffer spring 84 is squeezed by the clamping slide plate 82 to apply force to clamp the crucible; then the clamping motor 78 stops, and the clamping unit and the molybdenum crucible are flexibly contacted and clamped to avoid rigid clamping and damage.

[0052] like Fig.14 As shown, a preheating substrate 85 is provided on the side of the clamping base 72, a preheating tube 86 is fixed to the lower side of the preheating substrate 85 by a tube clamp, and an air pump 87 is provided on the preheating tube 86; the clamping rod 73 is a hollow structure, and four groups of air inlets 88 are provided on the clamping rod 73, and an exhaust port 89 is provided on the upper side of the air inlet 88, and the exhaust port 89 is connected to one end of the preheating tube 86 through a heat-proof hose 90; the other end of the preheating tube 86 is used to spray hot air into the casting mold 110; Preheating the casting mold 110 can reduce thermal stress caused by temperature gradient and help prevent mold cracks and deformation. When in use, the six-axis mounting machine 66 extends the crucible clamping assembly into the electrolytic cell unit 65. At this time, the preheating substrate 85 drives the preheating tube 86 to move downward, so that the end of the preheating tube 86 corresponds to the casting mold 110. The vacuum pump 87 is turned on to extract the high-temperature hot air in the electrolytic cell unit 65 and spray it onto the casting mold 110 to preheat it.

[0053] like Fig.16 As shown, the side of the electrolytic cell unit 65 is provided with a mold unit and a turning unit for pouring the rare earth liquid in the crucible into the mold unit; Figure 17-18As shown, the flip unit includes two L-shaped flip bases 91, on one side of the flip base 91 is a flip motor 92; between the flip bases 91 is an n-shaped crucible bracket 93, on the crucible bracket 93 is a crucible clamping plate 94, on the crucible clamping plate 94 is a circular crucible groove 95; both sides of the crucible bracket 93 are provided with bracket shafts 96; the motor shaft of the flip motor 92 extends inside the flip base 91 and is fixed to the bracket shaft 96 on one side through a coupling, and the bracket shaft 96 on the other side is rotated in coordination with the flip base 91. A locking base plate 97 is provided between the crucible bracket 93 and the crucible clamping plate 94, and a locking cylinder 98 is provided on the locking base plate 97, and a push head of the locking cylinder 98 passes through the locking base plate 97 and is fixed with a pressing head 99; when in use, the six-axis mounting machine 66 extends the crucible clamping assembly into the electrolytic cell unit 65, clamps and takes out the crucible, and places it on the crucible bracket 93; the locking cylinder 98 is extended, and the two pressing heads 99 press and fix the crucible; the flip motor 92 drives the crucible bracket 93 to rotate ninety degrees, and pours the rare earth liquid in the crucible into the mold unit.

[0054] like Figure 17-18As shown, the mold unit includes a mold base 100 and a lateral push rod 101 arranged on the mold base 100. The lateral push rod 101 passes through the mold base 100 and is fixed to a U-shaped demoulding driving frame 102. A demoulding motor 103 is arranged inside the demoulding driving frame 102. The motor shaft of the demoulding motor 103 passes through the demoulding driving frame 102 and is fixed to the side of the casting mold 110. The upper side of the casting mold 110 has a trapezoidal accommodating space. After the rare earth liquid is poured into the casting mold 110, a rare earth ingot is formed. The mold base 10 0 is horizontally provided with a release agent support plate 104 on the upper side, and a release agent holding tank 105 is fixed to the upper side of the release agent support plate 104 through a fixing frame; the release agent holding tank 105 has a liquid inlet on the upper side and a liquid outlet on the lower side, and the liquid outlet passes through the release agent support plate 104 downward; an n-shaped flow divider 106 is provided on the side of the mold base 100, and a flow divider pipe 107 is provided on the flow divider frame 106, the main pipe of the flow divider pipe 107 faces upward, and the branch pipe of the flow divider pipe 107 faces downward; the liquid outlet of the release agent holding tank 105 is connected to the demoulding hose 101 08, the other end of the demoulding hose 108 is connected to the main line of the shunt pipe 107, and the demoulding hose 108 is provided with a demoulding agent pump 109; when in use, the casting mold 110 is located on the outside of the shunt rack 106, corresponding to the position of the preheating pipe 86, the vacuum pump 87 is turned on to extract the high-temperature hot air in the electrolytic cell unit 65, and spray it onto the casting mold 110 to preheat it; then the six-axis bracket machine 66 extends the crucible clamping assembly into the electrolytic cell unit 65, clamps and takes out the crucible, and places it on the crucible At the same time, the transverse push rod 101 is retracted so that the preheated casting mold 110 is aligned with the shunt pipe 107, and the release agent pump 109 is turned on to spray the release agent into the casting mold 110; then the transverse push rod 101 is extended so that the casting mold 110 corresponds to the crucible on the crucible support 93, and the flip motor 92 drives the crucible support 93 to rotate ninety degrees, and the rare earth liquid in the crucible is poured into the casting mold 110; the transverse push rod 101 continues to extend, and after the rare earth ingot is cooled, it is manually demolded.

[0055] 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.

[0056] The following points need to be explained:

[0057] (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.

[0058] (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.

[0059] (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.

[0060] 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. An automatic feeding device for raw materials for rare earth electrolysis, It is characterized in that The invention comprises a transverse movement unit and a loading unit arranged on the transverse movement unit, the transverse movement unit is used to drive the loading unit to move transversely and align with a plurality of rare earth electrolytic cells respectively; the loading unit is used to transport rare earth electrolysis raw materials into the rare earth electrolytic cells; the transverse movement unit comprises a transverse movement support frame (1) and a transverse movement slide plate (2), the transverse movement support frame (1) is used to be fixed to the ground, a transverse movement slide shaft (3) is fixed on the transverse movement support frame (1) through an axle seat; four sliding sleeves (4) are slidably matched on the transverse slide shaft, the transverse movement slide plate (2) is fixed on the sliding sleeves (4), and the sliding sleeves (4) are located at four corners of the transverse movement slide plate (2); the loading unit is fixed on the transverse movement slide plate (2); transverse movement motors (5) are installed on both sides of the transverse movement support frame (1) through motor support plates, and a driving gear (6) is key-connected on the motor shaft; The driving gears (6) on both sides are connected by a chain (7); the lower side of the transverse sliding plate (2) is fixed to the chain (7) by a fixing clamp (8); the feeding unit comprises a feeding base frame (9) and a feeding support frame (10) vertically arranged on one side of the feeding base frame (9); a hopper support (12) is arranged on the other side of the feeding base frame (9), and a conical feeding hopper (13) is arranged on the hopper support (12); a screw feeder (14) is inclinedly arranged on the upper side of the feeding support frame (10); the bottom of the feeding hopper (13) is fixed to a feeding end of the screw feeder (14), the inner cavity of the feeding hopper (13) is connected to the inner cavity of the screw feeder (14), and the discharge end of the screw feeder (14) is connected to the inlet of the furnace feeding mechanism through a bellows (15). The feeding support frame (10) is connected to one side of the material; an upper support bracket (16) is horizontally provided on the side of the feeding support frame (10); an upper support push rod (17) is fixed on the upper support bracket (16); a push head of the upper support push rod (17) is fixed to the right side of the feeding mechanism through an upper support push plate (18); a pulling bracket (19) is provided at the discharge end of the spiral feeder (14); a pulling push rod (20) is fixed on the pulling bracket (19); a push head of the pulling push rod (20) is fixed to the left side of the feeding mechanism through a pulling plate (21); the feeding mechanism comprises a feeding pipe (22) and a feeding motor (23); a feeding port (24) is provided on one side of the feeding pipe (22); a discharge port (25) is provided on the other side of the feeding pipe (22); a feeding shaft (21) is provided inside the feeding pipe (22) 26), a spiral material guide blade (27) is provided on the feeding shaft (26); a U-shaped motor bracket (28) is provided on the side of the feeding pipe (22), a feeding motor (23) is provided on the motor bracket (28), and the motor shaft of the feeding motor (23) is fixed to the feeding shaft (26); a sway mechanism is provided on the inner side of the motor bracket (28), the feeding shaft (26) is connected to the sway mechanism, and the feeding shaft (26) rotates to drive the output end of the sway mechanism to swing left and right; a sway column (29) is horizontally fixed to the sway mechanism, and the other end of the sway column (29) is connected to the discharge pipe (30), and the upper end of the discharge pipe (30) is provided with an annular swing plate (31); a channel is provided on the swing plate (31) and is connected to the discharge pipe (30); both sides of the discharge port (25);A fixed ear plate (32) is provided opposite to the outer ring (33), and the swing plate (31) is slidably matched with the fixed ear plate (32); the sway mechanism comprises an outer ring (33) fixed to the motor bracket (28), an intermediate ring (34) rotatably matched inside the outer ring (33), and an inner ring (35) fixed to the feed shaft (26); the outer ring (33) is a rectangular structure, a straight outer slide groove (36) is provided on the upper side of the inner cavity of the outer ring (33), the intermediate ring (34) is rotatably matched with the inner cavity of the outer ring (33), and a sway arm (37) is provided on the side of the intermediate ring (34); The intermediate ring (34) is provided with an inclined middle slide groove (38), which is a through structure. The inner ring (35) is rotatably matched inside the middle ring (34), and the outer edge of the inner ring (35) is provided with an inner slide groove (39); the inner slide groove (39) is a ring groove structure composed of two straight segments and two oblique segments, and a square linkage slider (40) is slidably matched on the outer slide groove (36), and a linkage slide shaft (41) is vertically provided on the lower side of the linkage slider (40), and the lower side of the linkage slide shaft (41) passes through the middle slide groove (38) and extends into the inner slide groove (39). ; 2. The automatic feeding device for raw materials for rare earth electrolysis according to claim 1, It is characterized in that A stirring mechanism is provided on the side of the feed pipe (22); the stirring mechanism comprises a stirring base frame (42) provided at the end of the feed pipe (22); a stirring shaft (43) is rotatably engaged with the other side of the stirring base frame (42); the lower side of the stirring shaft (43) passes downward through the stirring base frame (42) and is fixed to a stirring blade (44); two swing ear plates (45) are oppositely provided on the stirring shaft (43) between the two stirring base frames (42); a stirring sleeve shaft (46) is vertically provided at the other end of the stirring ear plate; a stirring sleeve shaft (47) is slidably engaged with the stirring sleeve shaft (46); a stirring drive shaft (48) is horizontally provided on the stirring sleeve (47); the end of the feed shaft (26) extending out of the feed pipe (22) is fixed to the center of a stirring drive plate (49); the stirring drive shaft (48) is rotatably engaged with the edge of the stirring drive plate (49).

3. The automatic feeding device for raw materials for rare earth electrolysis according to claim 1, It is characterized in that The side of the bellows (15) is provided with a knocking mechanism, which includes a knocking frame (50) fixed to the outer wall of the screw feeder (14), the knocking frame (50) is an H-shaped structure, a driving gear (51) is keyed on the feeding shaft (26) on the side of the swaying mechanism, the driving gear (51) is located between the motor brackets (28), and a knocking transmission shaft (52) is rotatably provided on the knocking frame (50); one end of the knocking transmission shaft (52) is keyed to a driven gear (53), the driving gear (51) and the driven gear (53) are transmission-connected via a synchronous chain (54); the other side of the knocking transmission shaft (52) is fixed to the center of the knocking drive plate (55); the knocking frame (50) is close to the bellows (15 ) is rotatably matched with a striking swing shaft (56) on one side, two striking ear plates (57) are arranged opposite to each other on the striking swing shaft (56) between the striking base frames (50), a striking sleeve shaft (63) is vertically arranged on the other end of the striking ear plate (57), and a striking sleeve (64) is slidably matched on the striking sleeve shaft (63); a striking drive shaft (58) is horizontally arranged on the striking sleeve (64), and the other end of the striking drive shaft (58) is rotatably matched with the edge of the striking drive plate (55); a striking seat (59) of a striking T-shaped structure is horizontally arranged in the middle of the striking swing shaft (56), and striking columns (60) are respectively arranged at both ends of the striking seat (59), and the ends of the striking columns (60) are connected to the striking head (62) through striking springs (61).

4. An electrolyzer system, It is characterized in that It comprises the automatic feeding device for raw materials for rare earth electrolysis as described in claim 1, and also comprises a six-axis mounting machine (66) and a crucible clamping assembly and an electrolytic cell unit (65) arranged on the six-axis mounting machine (66); a support platform (67) is provided on one side of the electrolytic cell unit (65); an electrode push rod (68) is provided on the support platform (67); a sliding sleeve (69) is provided on the support platform (67); an electrode arm (70) is slidably fitted in the sliding sleeve (69); the electrode push rod (68) is fixed to the end of the electrode arm (70), and a cathode rod (71) is vertically arranged on the other side of the electrode arm (70), and the cathode rod (71) extends into the electrolytic cell.

5. An electrolyzer system according to claim 4, It is characterized in that The crucible clamping assembly comprises a clamping base (72) and a clamping arm which is relatively slidably arranged on the base; a cross-shaped clamping claw plate (74) is arranged on the clamping claw plate (74); a connecting frame (75) is arranged on the clamping claw plate (74); the connecting frame (75) is an L-shaped structure; a downward cylinder (76) is arranged on the connecting frame (75); a push head of the downward cylinder (76) passes downward through the connecting frame (75) and is fixed to the clamping turntable; the extension and retraction of the downward cylinder (76) can drive the clamping base (72) to rise and fall as a whole; a clamping slide groove (77) is relatively opened on the clamping base (72); the clamping arm is slidably arranged on the clamping base (72); and a clamping slide groove (77) is relatively opened on the clamping base (72); and a clamping arm is slidably arranged on the clamping claw plate (74). The clamping motor (78) is mounted on one side of the clamping base (72) through a motor support; the motor shaft of the clamping motor (78) is connected to one end of the first lead screw (80) through a torque limiting coupling (79), and the other end of the first lead screw (80) is connected to one end of the second lead screw (81) through a coupling; the other end of the second lead screw (81) is connected to a bearing; the bearing is fixed to the clamping base (72) through a bearing support; the first lead screw (80) and the second lead screw (81) have opposite thread rotation directions; and the clamping arm is threadedly matched with the first lead screw (80) and the second lead screw (81), respectively.

6. An electrolyzer system according to claim 5, It is characterized in that A preheating substrate (85) is provided on the side of the clamping base (72), a preheating tube (86) is fixed to the lower side of the preheating substrate (85) via a tube clamp, and an air pump (87) is provided on the preheating tube (86); the clamping arm is a hollow structure, and four groups of air inlets (88) are provided on the clamping arm, and an exhaust port (89) is provided on the upper side of the air inlet (88), and the exhaust port (89) is connected to one end of the preheating tube (86) via a heat-proof hose (90); the other end of the preheating tube (86) is used to spray hot air into the casting mold (110).

7. An electrolyzer system according to claim 6, It is characterized in that The side of the electrolytic cell unit (65) is provided with a mold unit and a turning unit for pouring the rare earth liquid in the crucible into the mold unit; the mold unit comprises a mold base (100) and a transverse push rod (101) arranged on the mold base (100); the transverse push rod (101) passes through the mold base (100) and is fixed to a U-shaped demoulding drive frame (102); a demoulding motor (103) is arranged inside the demoulding drive frame (102); the motor shaft of the demoulding motor (103) passes through the demoulding drive frame (102) and is fixed to the side of the casting mold (110); the upper side of the casting mold (110) has a trapezoidal accommodating space, and the rare earth liquid is poured into the casting mold (110) to form a rare earth ingot; the upper side of the mold base (100) is horizontally provided with A release agent support plate (104), a release agent holding tank (105) is fixed to the upper side of the release agent support plate (104) via a fixing frame; the release agent holding tank (105) has a liquid inlet on the upper side and a liquid outlet on the lower side, the liquid outlet passes through the release agent support plate (104) downward; an n-shaped flow distribution frame (106) is provided on the side of the mold base (100), a flow distribution pipe (107) is provided on the flow distribution frame (106), the main pipe of the flow distribution pipe (107) faces upward, and the branch pipe of the flow distribution pipe (107) faces downward; the liquid outlet of the release agent holding tank (105) is connected to one end of a release hose (108), the other end of the release hose (108) is connected to the main pipe of the flow distribution pipe (107), and a release agent pump (109) is provided on the release hose (108).

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