Crystal discharging furnace

Abstract

The utility model discloses a crystal unloading furnace which comprises a bottom plate, an operation table, a lifting mechanism, a rotating mechanism, a clamping and cutting mechanism, a lifting rod, a seed crystal chuck, an annealing furnace and a control box. According to the crystal unloading furnace, the lifting mechanism is used for driving the rotating mechanism, the lifting rod, the seed crystal chuck and the seed crystal rod to lift, so that crystals at the lower end of the seed crystal rod can freely enter and exit from the annealing furnace under the control; the lifting rod, the seed crystal chuck and the seed crystal rod are driven by the rotating mechanism to rotate, so that the crystal at the lower end of the seed crystal rod can rotate in the annealing furnace, the crystal is uniformly heated in the annealing furnace, and annealing treatment is realized; the clamping and cutting mechanism is used for cutting off a seed crystal rod, unloading of processed crystals is achieved, traditional manual shearing is replaced with mechanical shearing, operation of workers is not needed, and unloading safety is improved; and a signal is sent to the controller through the key panel, so that the driving control on the lifting mechanism, the rotating mechanism, the clamping and cutting mechanism and the annealing furnace is realized.

Description

Technical Field

[0001] The utility model relates to a discharge furnace, in particular to a crystal discharge furnace. Background Art

[0002] At present, there are usually a variety of growth processes and methods to choose from for different crystals. The principles of different crystal growth methods are similar but slightly different. They can be divided into gas phase method, solution method, melt method, epitaxial method, etc. At present, important artificial crystal materials such as sapphire single crystal, yttrium aluminum garnet single crystal, silicon germanium single crystal, calcium fluoride single crystal can be obtained through crystal growth technology. At present, the steps of cutting seed crystals and crystal rods during crystal growth are generally completed manually with the help of crystal cutting tools. This crystal cutting method has safety hazards and inconvenient operation. The operator needs to extend his arm into the furnace to perform the operation, which is easy to be burned by the residual heat in the furnace. Utility Model Content

[0003] Purpose of the utility model: to provide a crystal unloading furnace capable of mechanized seed crystal rod shearing to improve the safety of unloading.

[0004] Technical solution: The crystal unloading furnace provided by the utility model includes a base plate, an operating table, a lifting mechanism, a rotating mechanism, a clamping and cutting mechanism, a lifting rod, a seed crystal chuck, an annealing furnace and a control box; the operating table is installed on the base plate; the lifting mechanism is installed on the operating table; the rotating mechanism is installed on the lifting mechanism, and the lifting mechanism drives the rotating mechanism to move vertically; the lifting rod is installed on the lower end of the rotating mechanism, and the rotating mechanism drives the lifting rod to rotate; the seed crystal chuck is detachably installed on the lower end of the lifting rod for clamping the seed crystal rod; the annealing furnace is installed on the base plate for heating the crystal at the lower end of the seed crystal rod; the clamping and cutting mechanism is installed on the operating table for clamping and cutting the seed crystal rod; a controller and a memory electrically connected to the controller are provided in the control box; the lifting mechanism, the rotating mechanism, the clamping and cutting mechanism and the annealing furnace are all driven and controlled by the controller.

[0005] Furthermore, the annealing furnace includes a furnace body shell, a heating crucible and a plurality of electric heating tubes; the furnace body shell is installed on a bottom plate; a thermal insulation layer is provided on the inner wall of the furnace body shell; the heating crucible is installed in the furnace body shell; a thermal insulation layer is provided on the outer wall of the heating crucible; each electric heating tube is installed in the furnace body shell, and the lower side of each electric heating tube is located between the thermal insulation layer and the thermal insulation layer; each electric heating tube is controlled by a controller; a heating liner is provided in the heating crucible.

[0006] Furthermore, the lifting mechanism includes a lifting square tube, a lifting drive tube, a lifting drive motor and an extension plate; the lower end of the lifting square tube is fixed on the operating table; the lifting drive tube is vertically adjustably installed on the lifting square tube; a lifting drive screw for driving the lifting drive tube to move vertically is installed on the lifting square tube; the lifting drive motor is used to drive the lifting drive screw to rotate, and is electrically connected to the controller through the lifting drive circuit; a lifting drive plate is horizontally fixed on the lifting square tube; the extension plate is fixed on the lifting drive plate, and the rotating mechanism is installed on the extension plate.

[0007] Furthermore, it also includes a balancing structure; the balancing structure includes a telescopic unit, a counterweight sleeve, a counterweight sinker and a water bucket; one end of the telescopic unit is fixed on the extension plate, and the length of the telescopic unit is adjustable; the counterweight sleeve is movably installed on the telescopic unit; the counterweight sinker is suspended on the counterweight sleeve by a lifting rope; the water bucket is laterally movably installed on the base plate to correspond to the vertical position of the counterweight sinker.

[0008] Furthermore, the rotating mechanism includes a rotating drive motor, a positioning tube and a rotating drive rod; the upper end of the positioning tube is fixed on the lifting mechanism; the upper side of the rotating drive rod is rotatably installed in the positioning tube; the rotating drive motor is used to drive the rotating drive rod to rotate, and is electrically connected to the controller through a rotating drive circuit; an external thread is provided on the lower side of the rotating drive rod; a rotating mounting seat is provided on the upper end of the lifting rod and is threadedly engaged with the lower end of the rotating drive rod; a hand nut is threadedly engaged on the rotating drive rod for preventing loosening.

[0009] Furthermore, the clamping and cutting mechanism includes a clamping unit and a cutting unit; the clamping unit includes a clamping drive motor, a clamping drive screw and two clamping plates; two sliding adjustment seats are installed in a transverse sliding manner on the operating table; the clamping drive screw is rotatably installed on the operating table, and is used to drive the two sliding adjustment seats to move relative to each other; the clamping drive motor is used to drive the clamping drive screw to rotate, and is electrically connected to the controller through the clamping drive circuit; the two clamping plates are horizontally fixed on the two sliding adjustment seats respectively; arc-shaped grooves for clamping the seed crystal rod are correspondingly arranged on the edges on the opposite sides of the two clamping plates; the cutting unit is used to cut off the seed crystal rod, and is driven and controlled by the controller.

[0010] Furthermore, the cutting unit includes an electric telescopic push rod, a cutting grinding wheel, a cutting drive motor and a sliding seat; the sliding seat is laterally slidably installed on one of the clamping plates; the electric telescopic push rod is used to drive the sliding seat to move laterally and is electrically connected to the controller; the cutting grinding wheel is rotatably installed on the sliding seat and is used to cut off the seed crystal rod; the cutting drive motor drives the cutting grinding wheel to rotate through a gear pair, and is electrically connected to the controller through a cutting drive circuit.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the lifting mechanism is used to drive the rotating mechanism, the lifting rod, the seed crystal chuck and the seed crystal rod to lift and lower, so that the crystal at the lower end of the seed crystal rod can freely enter and exit the annealing furnace under control; the rotating mechanism is used to drive the lifting rod, the seed crystal chuck and the seed crystal rod to rotate, so that the crystal at the lower end of the seed crystal rod can rotate in the annealing furnace, so that the crystal is evenly heated in the annealing furnace to achieve annealing treatment; the seed crystal rod is cut off by the clamping and cutting mechanism to achieve unloading of the processed crystal, and the traditional manual shearing is replaced by mechanized shearing, and the staff does not need to operate, thereby improving the safety of unloading; a signal is sent to the controller through the key panel to achieve drive control of the lifting mechanism, the rotating mechanism, the clamping and cutting mechanism and the annealing furnace. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the installation of the utility model;

[0013] Figure 2 It is a top view of the utility model;

[0014] Figure 3 It is a cross-sectional view of the cutting unit of the utility model;

[0015] Figure 4 It is a schematic diagram of the circuit structure of the utility model;

[0016] In the figure: 1, bottom plate; 2, operation panel; 3, support foot; 4, control box; 5, key panel; 7, sliding guide rail; 8, adjustment slide; 9, adjustment pulley; 10, bucket; 11, counterweight; 12, lifting rope; 13, counterweight sleeve; 14, telescopic adjustment screw; 15, telescopic internal threaded tube; 16, lifting square tube; 17, lifting drive tube; 18, lifting drive plate; 19, extension plate; 20, lifting drive motor; 21, rotation drive motor; 22, positioning tube; 23, rotation drive rod; 24, hand nut; 25, lifting rod; 26, seed crystal chuck; 27. Pin rod; 28. Seed crystal rod; 29. ​​Furnace shell; 30. Routing slot; 31. Insulation layer; 32. Insulation layer; 33. Heating crucible; 34. Heating liner; 35. Electric heating tube; 36. Clamping drive motor; 37. Clamping drive screw; 38. Sliding adjustment seat; 39. Clamping plate; 40. Enclosure; 41. Sliding seat; 42. Cutting wheel; 43. Cutting drive motor; 44. Driving gear; 45. Driven gear; 46. Electric telescopic push rod; 47. Guide column; 48. Guide seat; 50. Arc slot; 51. Block plate; 52. Crystal. DETAILED DESCRIPTION

[0017] The technical solution of the utility model is described in detail below in conjunction with the accompanying drawings, but the protection scope of the utility model is not limited to the embodiments.

[0018] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] In the description of the present invention, it should be understood that the terms "left", "right", "front", "back", "up", "down", "top", "bottom", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0020] Embodiment 1:

[0021] like Figure 1-4 As shown, a crystal unloading furnace provided by the utility model comprises: a bottom plate 1, an operating table, a lifting mechanism, a rotating mechanism, a clamping and cutting mechanism, a lifting rod 25, a seed crystal chuck 26, an annealing furnace and a control box 4; the operating table comprises an operating panel 2 and four legs 3; the upper ends of the four legs 3 are respectively fixed at the four top corners of the lower side of the operating panel 2, and the lower ends are all fixed on the upper side of the bottom plate 1; the lifting mechanism is installed on the upper side of the operating panel 2; the rotating mechanism is installed on the lifting mechanism, and the lifting mechanism drives the rotating mechanism to move vertically; the lifting rod 25 is installed on the lower end of the rotating mechanism, and the rotating mechanism drives the lifting rod 25 to rotate; a plug is provided on the lower end of the lifting rod 25 The seed crystal chuck 26 is installed in the installation hole; the pin rod 27 that passes through the seed crystal chuck 26 is inserted through the lifting rod 25; the seed crystal chuck 26 is used to clamp the seed crystal rod 28; the annealing furnace is installed on the bottom plate 1, and is used to heat the crystal 52 at the lower end of the seed crystal rod 28; the clamping and cutting mechanism is installed on the operating panel 2, and is used to clamp and cut off the seed crystal rod 28; the control box 4 is installed on the upper side of the operating panel 2; a controller and a memory electrically connected to the controller are arranged in the control box 4; the lifting mechanism, the rotating mechanism, the clamping and cutting mechanism and the annealing furnace are all driven and controlled by the controller; a key panel 5 electrically connected to the controller is installed on the control box 4.

[0022] The lifting mechanism is used to drive the rotating mechanism, the lifting rod 25, the seed crystal chuck 26 and the seed crystal rod 28 to lift and lower, so that the crystal 52 at the lower end of the seed crystal rod 28 can freely enter and exit the annealing furnace under control; the rotating mechanism is used to drive the lifting rod 25, the seed crystal chuck 26 and the seed crystal rod 28 to rotate, so that the crystal 52 at the lower end of the seed crystal rod 28 can rotate in the annealing furnace, so that the crystal 52 is evenly heated in the annealing furnace to achieve annealing treatment; the seed crystal rod 28 is cut off by the clamping and cutting mechanism to achieve the unloading of the processed crystal 52, and the mechanized shearing replaces the traditional manual shearing, without the need for staff to operate, thereby improving the safety of unloading; a signal is sent to the controller through the key panel 5 to achieve the drive control of the lifting mechanism, the rotating mechanism, the clamping and cutting mechanism and the annealing furnace.

[0023] Furthermore, the annealing furnace includes a furnace body shell 29, a heating crucible 33 and a plurality of electric heating tubes 35; the furnace body shell 29 is installed on the upper side of the bottom plate 1; the heating crucible 33 is installed in the furnace body shell 29; a thermal insulation layer 31 is arranged between the inner wall of the furnace body shell 29 and the outer wall of the heating crucible 33; an annular groove is arranged on the inner circumferential surface of the thermal insulation layer 31; each electric heating tube 35 is inserted into the thermal insulation layer 31, and the lower side extends into the annular groove; each electric heating tube 35 surrounds the heating crucible 33; an electric control switch electrically connected to the controller is connected in series on the main power supply cable of each electric heating tube 35; a wiring slot 30 is arranged on the upper edge of the furnace body shell 29; an insulation layer 32 is arranged on the outer wall of the heating crucible 33; a heating liner 34 is arranged in the heating crucible 33.

[0024] The heating crucible 33 is heated by each electric heating tube 35 to achieve heating and annealing of the crystal 52; the heating crucible 33 is insulated by the insulation layer 31 and the insulation layer 32; the wiring slot 30 is used to facilitate the wiring of the cables of each electric heating tube 35; the heating liner 34 is made of platinum, which has good stability and thermal conductivity.

[0025] Furthermore, the lifting mechanism includes a lifting square tube 16, a lifting drive tube 17, a lifting drive motor 20 and an extension plate 19; the lower end of the lifting square tube 16 is fixed on the upper side of the operating panel 2; a lifting drive screw is rotatably installed vertically in the lifting square tube 16; the lifting drive motor 20 is installed on the upper end of the lifting square tube 16, used to drive the lifting drive screw to rotate, and is electrically connected to the controller through the lifting drive circuit; a long hole is vertically arranged on the lifting square tube 16; the lifting drive tube 17 is vertically slidably installed on the lifting square tube 16; a lifting drive block is screwed on the lifting drive screw by a through-thread, and the end of the lifting drive rod block extends out of the lifting square tube 16 through the long hole and is fixed on the inner wall of the lifting drive tube 17; a lifting drive plate 18 is horizontally fixed on the front side of the lifting drive tube 17; a rib plate is arranged between the lifting drive tube 17 and the lifting drive plate 18; the left side of the extension plate 19 is fixed on the upper side of the lifting drive plate 18, and the rotating mechanism is installed on the right side of the extension plate 19.

[0026] The lifting drive motor 20 is used to drive the lifting drive screw to rotate under the control of the controller, the lifting drive block drives the lifting drive tube 17 to move vertically along the lifting square tube 16, and the lifting drive plate 18 drives the extension plate 19 to lift and lower, thereby realizing the vertical position adjustment of the rotating mechanism, so that the crystal 52 at the lower end of the seed rod 28 can be driven to enter and exit the annealing furnace.

[0027] Furthermore, it also includes a balancing structure; the balancing structure includes a telescopic unit, a counterweight sleeve 13, a counterweight pendant 11 and a bucket 10; the telescopic unit includes a telescopic internal threaded tube 15 and a telescopic adjustment screw 14; the right end of the telescopic internal threaded tube 15 is fixed to the left side of the upper side of the extension plate 19; the right end of the telescopic adjustment screw 14 is threadedly screwed on the left end of the telescopic internal threaded tube 15; a baffle 51 is fixed on the left end of the telescopic adjustment screw 14; the counterweight sleeve 13 is movably sleeved on the telescopic adjustment screw On the rod 14; a lifting rope 12 is installed on the counterweight sleeve 13; the counterweight pendant 11 is installed on the lower end of the lifting rope 12; two front and rear corresponding sliding guide rails 7 are installed horizontally on the upper side of the bottom plate 1; adjustment slide grooves 8 are horizontally arranged on the upper sides of the two sliding guide rails 7; adjusting pulleys 9 are installed at the four top corners of the lower side of the bucket 10; the two front adjusting pulleys 9 run on the front adjusting slide grooves 8, and the two rear adjusting pulleys 9 run on the rear adjusting slide grooves 8.

[0028] The length of the telescopic unit can be adjusted by the cooperation between the telescopic internal threaded tube 15 and the telescopic adjusting screw 14. The length of the telescopic adjusting screw 14 extending out of the telescopic internal threaded tube 15 is adjusted by rotating the telescopic adjusting screw 14, thereby adjusting the position of the counterweight sleeve 13 and the counterweight 11, so that the weight on both sides of the lifting drive plate 18 is balanced, and the lifting rod 25 at the lower end of the rotating mechanism is kept in a vertical state to prevent the seed crystal rod 28 and the crystal 52 from swinging during rotation; the water bucket 10 is filled with water, and the counterweight 11 is immersed in the water when the crystal 52 enters the annealing furnace, thereby reducing the influence of the shaking of the counterweight 11 on the rotating mechanism; the cooperation between the adjusting pulley 9 and the sliding guide rail 7 facilitates the movement of the position of the water bucket 10, so that the position of the water bucket can correspond to the vertical position of the counterweight 11.

[0029] Furthermore, the rotating mechanism includes a rotating drive motor 21, a positioning tube 22 and a rotating drive rod 23; the upper end of the positioning tube 22 is fixed on the right side of the lower side of the extension plate 19; the upper side of the rotating drive rod 23 is coaxially installed in the positioning tube 22 through a plurality of bearings; the rotating drive motor 21 is installed on the right side of the upper side of the extension plate 19, and is used to drive the rotating drive rod 23 to rotate, and is electrically connected to the controller through a rotating drive circuit; an external thread is provided on the lower side of the rotating drive rod 23; a rotating mounting seat threadedly screwed on the lower end of the rotating drive rod 23 is provided on the upper end of the lifting rod 25; a hand-tightening nut 24 for preventing loosening is threadedly screwed on the rotating drive rod 23.

[0030] The rotary drive motor 21 is used to drive the rotary drive rod to rotate under the control of the controller, so that the lifting rod 25 and the seed crystal chuck 26 drive the seed crystal rod 28 to rotate, thereby realizing the rotation control of the crystal 52; the cooperation between the positioning tube 22 and the bearing is used to improve the rotation stability of the crystal 52 and reduce shaking; the hand-tightening nut 24 is used to prevent the rotary mounting seat from loosening, thereby improving the installation reliability.

[0031] Furthermore, the clamping and cutting mechanism includes a clamping unit and a cutting unit; the clamping unit includes a clamping drive motor 36, a clamping drive screw 37 and two clamping plates 39; two sliding adjustment seats 38 are installed on the lower side of the operating panel 2 in a horizontal sliding manner; the clamping drive screw 37 is rotatably installed on the lower side of the operating panel 2, and the thread pitches on both sides of the clamping drive screw 37 are the same and the rotation directions are opposite; the clamping drive motor 36 is used to drive the clamping drive screw 37 to rotate, and is electrically connected to the controller through the clamping drive circuit; the clamping The two sides of the driving screw 37 are respectively threaded and screwed through the two sliding adjustment seats 38; the two clamping plates 39 are respectively fixed horizontally on the front side surfaces of the two sliding adjustment seats 38; the front side edges and the far side edges of the two clamping plates 39 are provided with enclosures 40, and the rear edges of the two enclosures 40 are close to the front edge of the operating panel 2; arc-shaped notches 50 are correspondingly provided on the edges on the opposite sides of the two clamping plates 39, and the two arc-shaped notches 50 are used to clamp the seed crystal rod 28; the cutting unit is used to cut off the seed crystal rod 28, and is driven and controlled by the controller.

[0032] The clamping drive motor 36 is used to drive the clamping drive screw 37 to rotate under the control of the controller, and the thread pitches on both sides of the clamping drive screw 37 are the same and the rotation direction is opposite, so that the two sliding adjustment seats 38 drive the two clamping plates 39 to move relatively close or away. When the two clamping plates 39 are relatively close, the arc-shaped notches 50 on the two clamping plates 39 clamp the seed crystal rod 28. At this time, the cutting unit cuts off the seed crystal rod 28 to achieve cutting and unloading. The arc-shaped notches 50 play a role in maintaining the stability of the seed crystal rod 28; the enclosure 40 plays a role in shielding debris when cutting the seed crystal rod 28, thereby reducing the debris falling into the heating crucible 33.

[0033] Furthermore, the cutting unit includes an electric telescopic push rod 46, a cutting grinding wheel 42, a cutting drive motor 43 and a sliding seat 41; a guide column 47 is horizontally installed on one of the clamping plates 39; a guide seat 48 is provided on the sliding seat 41 and is slidably installed on the guide column 47; the electric telescopic push rod 46 is installed on the enclosure 40 on the corresponding side, and is used to drive the sliding seat 41 to move horizontally, and is electrically connected to the controller; the cutting grinding wheel 42 is rotatably installed on the sliding seat 41, and is used to cut off the seed rod 28; a driven gear 45 is coaxially installed on the cutting grinding wheel 42; the cutting drive motor 43 is installed on the sliding seat 41, and is electrically connected to the controller through the cutting drive circuit; a driving gear 44 meshing with the driven gear 45 is installed on the output shaft of the cutting drive motor 43.

[0034] The cutting drive motor 43 is used to drive the driving gear 44 to rotate under the control of the controller, the driven gear 45 drives the cutting wheel 42 to rotate, and the electric telescopic push rod 46 drives the sliding seat 41 to move laterally, so that the cutting wheel 42 feeds and cuts, thereby realizing the cutting of the seed crystal rod 28; the electric telescopic push rod 46 is used to drive the sliding seat 41 to move laterally to prevent the cutting unit from interfering with the process of the clamping plate 39 clamping the seed crystal rod 28; the cooperation between the guide column 47 and the guide seat 48 is used to guide the sliding seat 41 to move laterally.

[0035] In the crystal unloading furnace provided by the utility model, the controller adopts the existing single-chip microcomputer control module; the heating liner 34 is made of platinum; the lifting drive motor 20, the rotation drive motor 21, the clamping drive motor 36 and the cutting drive motor 43 all adopt the existing stepping motor, and the lifting drive circuit, the rotation drive circuit, the clamping drive circuit and the cutting drive circuit all adopt the corresponding stepping motor drive circuit; the electric heating tube 35 adopts the existing electric heating tube; the electric control switch adopts the existing electric control switch.

[0036] As described above, although the present invention has been shown and described with reference to specific preferred embodiments, it should not be interpreted as limiting the present invention itself. Various changes can be made to it in form and detail without departing from the spirit and scope of the present invention defined in the appended claims.

Claims

1. A crystal unloading furnace, characterized in that: The invention comprises a base plate (1), an operating table, a lifting mechanism, a rotating mechanism, a clamping and cutting mechanism, a lifting rod (25), a seed crystal chuck (26), an annealing furnace and a control box (4); the operating table is mounted on the base plate (1); the lifting mechanism is mounted on the operating table; the rotating mechanism is mounted on the lifting mechanism, and the lifting mechanism drives the rotating mechanism to move vertically; the lifting rod (25) is mounted on the lower end of the rotating mechanism, and the rotating mechanism drives the lifting rod (25) to rotate; the seed crystal chuck (26) is detachably mounted on the lower end of the lifting rod (25) and is used to clamp the seed crystal rod (28); the annealing furnace is mounted on the base plate (1) and is used to heat the crystal (52) at the lower end of the seed crystal rod (28); the clamping and cutting mechanism is mounted on the operating table and is used to clamp and cut the seed crystal rod (28); a controller and a memory electrically connected to the controller are arranged in the control box (4); the lifting mechanism, the rotating mechanism, the clamping and cutting mechanism and the annealing furnace are all driven and controlled by the controller.

2. The crystal unloading furnace according to claim 1, characterized in that: The annealing furnace comprises a furnace shell (29), a heating crucible (33) and a plurality of electric heating tubes (35); the furnace shell (29) is mounted on a bottom plate (1); a temperature insulating layer (31) is arranged on the inner wall of the furnace shell (29); the heating crucible (33) is mounted in the furnace shell (29); a temperature insulating layer (32) is arranged on the outer wall of the heating crucible (33); each electric heating tube (35) is mounted in the furnace shell (29), and the lower side of each electric heating tube (35) is located between the temperature insulating layer (32) and the temperature insulating layer (31); each electric heating tube (35) is controlled by a controller; and a heating liner (34) is arranged in the heating crucible (33).

3. The crystal unloading furnace according to claim 1, characterized in that: The lifting mechanism comprises a lifting square tube (16), a lifting drive tube (17), a lifting drive motor (20) and an extension plate (19); the lower end of the lifting square tube (16) is fixed on an operating table; the lifting drive tube (17) is vertically adjustable and mounted on the lifting square tube (16); a lifting drive screw rod for driving the lifting drive tube (17) to move vertically is mounted on the lifting square tube (16); the lifting drive motor (20) is used to drive the lifting drive screw rod to rotate and is electrically connected to a controller via a lifting drive circuit; a lifting drive plate (18) is horizontally fixed on the lifting drive tube (17); the extension plate (19) is fixed on the lifting drive plate (18), and a rotating mechanism is mounted on the extension plate (19).

4. The crystal unloading furnace according to claim 3, characterized in that: The invention also comprises a balancing structure; the balancing structure comprises a telescopic unit, a counterweight sleeve (13), a counterweight sinker (11) and a water bucket (10); one end of the telescopic unit is fixed on an extension plate (19), and the length of the telescopic unit is adjustable; the counterweight sleeve (13) is movably mounted on the telescopic unit; the counterweight sinker (11) is suspended on the counterweight sleeve (13) by a lifting rope (12); and the water bucket (10) is movably mounted on the bottom plate (1) to correspond to the vertical position of the counterweight sinker (11).

5. The crystal unloading furnace according to claim 1, characterized in that: The rotating mechanism comprises a rotating drive motor (21), a positioning tube (22) and a rotating drive rod (23); the upper end of the positioning tube (22) is fixed on the lifting mechanism; the upper side of the rotating drive rod (23) is rotatably mounted in the positioning tube (22); the rotating drive motor (21) is used to drive the rotating drive rod (23) to rotate, and is electrically connected to the controller through a rotating drive circuit; an external thread is provided on the lower side of the rotating drive rod (23); a rotating mounting seat threadedly screwed on the lower end of the rotating drive rod (23) is provided on the upper end of the lifting rod (25); and a hand-tightening nut (24) for preventing loosening is threadedly screwed on the rotating drive rod (23).

6. The crystal unloading furnace according to claim 1, characterized in that: The clamping and cutting mechanism comprises a clamping unit and a cutting unit; the clamping unit comprises a clamping drive motor (36), a clamping drive screw rod (37) and two clamping plates (39); two sliding adjustment seats (38) are installed on the operating table in a horizontal sliding manner; the clamping drive screw rod (37) is rotatably installed on the operating table and is used to drive the two sliding adjustment seats (38) to move relative to each other; the clamping drive motor (36) is used to drive the clamping drive screw rod (37) to rotate and is electrically connected to the controller through a clamping drive circuit; the two clamping plates (39) are respectively fixed horizontally on the two sliding adjustment seats (38); arc-shaped notches (50) for clamping the seed crystal rod (28) are correspondingly arranged on the edges of the opposite sides of the two clamping plates (39); the cutting unit is used to cut off the seed crystal rod (28) and is driven and controlled by the controller.

7. The crystal unloading furnace according to claim 6, characterized in that: The cutting unit comprises an electric telescopic push rod (46), a cutting grinding wheel (42), a cutting drive motor (43) and a sliding seat (41); the sliding seat (41) is installed on one of the clamping plates (39) in a transverse sliding manner; the electric telescopic push rod (46) is used to drive the sliding seat (41) to move transversely and is electrically connected to a controller; the cutting grinding wheel (42) is rotatably installed on the sliding seat (41) and is used to cut off the seed crystal rod (28); the cutting drive motor (43) drives the cutting grinding wheel (42) to rotate through a gear pair and is electrically connected to the controller through a cutting drive circuit.

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