Vertical solidification furnace with semi-automatic feeding and discharging device

Abstract

The utility model relates to heat treatment production equipment technical field, especially to a kind of vertical solid melting furnace with semi-automatic feeding and discharging device, including heat treatment box assembly, heat treatment box assembly includes heat treatment box body, heating cavity is provided in heat treatment box body, the inlet of heating cavity is set in the bottom of heat treatment box body, the inlet of heating cavity is also matched and is set with the bottom cover for sealing inlet, cooling pool is provided below heat treatment box body, inlet and outlet device is provided below heat treatment box body, for feeding, material taking in heat treatment box assembly, bottom cover conveying jacking device is provided below heat treatment box body, bottom cover is set on bottom cover conveying jacking device, bottom cover conveying jacking device transports bottom cover to the inlet of heating cavity, and inlet is sealed by jacking, hoisting device is provided outside heat treatment box assembly, for hoisting material.

Description

Technical Field

[0001] This utility model relates to the field of heat treatment production equipment technology, and in particular to a vertical solid melting furnace equipped with a semi-automatic loading and unloading device. Background Technology

[0002] In the production workshop, when using a vertical solid solution furnace for heat treatment of metal workpieces, the operator needs to add the metal workpieces to be heat treated into the solid solution furnace. Through heating, the alloying elements are uniformly dissolved in the matrix, and then rapidly cooled to improve the material's strength, hardness, and other properties. After the solid solution furnace treatment is completed, the operator needs to quickly transfer the workpiece to the cooling zone for cooling treatment. During the transportation process, the material is exposed for a long time, which will affect the effect of the heat treatment. In addition, the operator's labor intensity is high and the work efficiency is low. Summary of the Invention

[0003] In order to overcome the shortcomings and deficiencies of the existing technology, the purpose of this utility model is to provide a vertical solid melting furnace with a semi-automatic loading and unloading device, which can assist the operator in adding workpieces into the solid melting furnace and quickly transferring them to the cooling zone for cooling treatment, thereby reducing labor intensity and improving efficiency.

[0004] The technical solution adopted by this utility model is: A vertical solid furnace equipped with a semi-automatic loading and unloading device includes a heat treatment chamber assembly. The heat treatment chamber assembly includes a heat treatment chamber body and a supporting base frame. The heat treatment chamber body is vertically mounted on the supporting base frame. A heating chamber is provided inside the heat treatment chamber body. The inlet of the heating chamber is located at the bottom of the heat treatment chamber body. The inlet of the heating chamber is also matched with a bottom cover for sealing the inlet.

[0005] A cooling pool is located below the heat treatment chamber, and the inlet of the heating chamber corresponds to the opening of the cooling pool.

[0006] The heat treatment box body is equipped with a feeding and discharging device at the bottom. The feeding and discharging device includes a material frame, a material frame trolley, and a material frame trolley track. The material frame trolley track is an I-beam track, which is set on both sides of the opening of the cooling pool and extends outward to form a supporting base. The material frame trolley is set on the material frame trolley track. The length of the supporting base extending outward from the material frame trolley track is greater than the length of the material frame trolley. The material frame is set on the material frame trolley.

[0007] A bottom cover conveying and lifting device is installed below the heat treatment box body. The bottom cover conveying and lifting device is located on the opposite side of the feeding and discharging device. The bottom cover conveying and lifting device includes a bottom cover conveying track assembly, a bottom cover conveying trolley, a bottom cover lifting assembly, and a position sensing device. The bottom cover conveying trolley is installed on the bottom cover conveying track assembly, the bottom cover lifting assembly is installed on the bottom cover conveying trolley, the bottom cover is installed above the bottom cover lifting assembly, and the position sensing device is installed at the end of the bottom cover conveying track assembly.

[0008] A lifting device is installed on the outside of the heat treatment chamber assembly.

[0009] Two sets of limit stops are set at the front and rear ends of the material frame trolley's running path. The limit stops include a mounting base and a limit plate. The limit plate is vertically set on the top of the mounting base, and the limit plate faces the outer wall of the material frame trolley.

[0010] The bottom cover conveyor rail assembly includes a support leg, a first rail, and a second blocking pin. The support leg is provided with the first rail, which extends to the bottom of the box body. The two ends of the first rail are provided with the second blocking pin.

[0011] The bottom cover conveyor includes a conveyor body, a second set of casters, and a handle. The conveyor body has a square frame structure with second sets of casters symmetrically arranged at the four corners. The second sets of casters are matched with the first track. A handle is provided on the outer wall of the conveyor body in the direction of travel.

[0012] The bottom cover lifting assembly includes a geared motor, gear, rack, guide pillars, mounting plate, rack end cap, lifting plate, and rack guide groove. The mounting plate is fixedly installed above the conveyor vehicle body support. The geared motor is installed below the mounting plate and is also fixedly installed below the conveyor vehicle body support. A gear is installed at the output shaft end of the geared motor, and a rack is installed to match the gear. The rack extends upward through the middle of the mounting plate. A rack end cap is installed at the end of the rack that extends out of the mounting plate. The lifting plate is installed on the rack end cap. Guide pillars are also installed on both sides of the rack. A rack guide groove is installed below the mounting plate in the direction of rack travel.

[0013] The positioning sensing device includes a mounting bracket, a plug-in sensor, a buffer, a limit screw, and a limit top plate. The plug-in sensor includes a first sensor and a second sensor. The first sensor has a plug-in slot, and the second sensor has a plug-in piece. The plug-in piece on the second sensor is inserted into the plug-in slot on the first sensor, and a positioning signal is output. The mounting bracket is located at the end of the first track, and the first sensor is located on top of the mounting bracket. The buffer and the limit screw are sequentially arranged below the first sensor and are screwed onto the mounting bracket. The second sensor, which matches the first sensor, is located on the outer end face of the conveyor body, and the limit top plate, which matches the buffer and the limit screw, is located on the outer end face of the conveyor body.

[0014] The lifting device includes a winch, a tripod, a first sliding pulley, and a second pulley. The tripod is installed at the output head of the winch wire rope. The tripod is an equilateral tripod structure. Wire ropes are wound around both ends of the bottom edge of the tripod. The first sliding pulley and the second pulley are located on the top of the heat treatment box body. The wire ropes wound around both ends of the bottom edge of the tripod are matched with the first sliding pulley and the second pulley.

[0015] The heat treatment chamber is equipped with two sets of lifting hooks: a first hook and a second hook. The positions of the first hook and the second hook are matched with the first sliding pulley and the second pulley.

[0016] Two sets of hanging rings are provided at the top of the material frame, and the hanging rings are matched with the first hook and the second hook.

[0017] The beneficial effects of this utility model are: This utility model discloses a vertical solidification furnace equipped with a semi-automatic loading and unloading device. The heat treatment chamber assembly is vertically positioned above the cooling pool, with the material inlet of the heat treatment chamber located below, corresponding to the cooling pool opening, reducing cooling time. Below the material inlet of the heat treatment chamber, there are feeding / discharging devices and a bottom cover conveying and lifting device. The feeding / discharging device includes tracks, trolleys, material frames, and limiting components, significantly reducing operator workload and improving feeding / discharging efficiency. The bottom cover conveying and lifting device includes bottom cover conveying track components, a bottom cover conveying trolley, a bottom cover lifting component, and a positioning sensor to achieve semi-automatic control of bottom cover clamping. A lifting device is also located on the outside of the heat treatment chamber assembly for lifting materials from the material frame, further reducing operator workload and improving work efficiency. Attached Figure Description

[0018] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in conjunction with the accompanying drawings. However, the embodiments in the drawings do not constitute any limitation on this utility model. For those skilled in the art, other drawings can be obtained based on the following drawings without any creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure; Figure 2 This is a schematic diagram of the feeding and discharging device. Figure 3 Schematic diagram of the bottom cover conveyor track assembly structure; Figure 4 Schematic diagram of the bottom cover conveying and lifting device; Figure 5 Schematic diagram of the positioning sensor structure Figure 1 ; Figure 6 Schematic diagram of the positioning sensor structure Figure 2 .

[0020] In the diagram: 1-Heat treatment chamber assembly, 101-Heat treatment chamber body, 102-Supporting base frame, 103-First hook, 104-Second hook, 105-Supporting fixing plate, 2-Material frame, 201-Material frame hanging ring, 3-Material frame trolley, 301-Trolley body, 302-First caster set, 303-Trolley handle, 4-Material frame trolley track, 401-First blocking pin, 5-Limit stop seat, 501-Mounting seat, 502-Limit plate. 6-Lifting device, 601-Winder, 602-Tripod, 6021-First fixing hole, 6022-Second fixing hole, 6023-Third fixing hole, 603-First sliding block, 604-Second pulley, 7-Bottom cover conveyor rail assembly, 701-Outrigger, 702-First rail, 703-Second stopping pin, 8-Bottom cover conveyor vehicle, 801-Conveyor vehicle body, 802-Second caster assembly, 803-Handle handle, 9-Bottom cover top Lifting assembly, 901-Gear motor, 902-Gear, 903-Rack, 904-Guide post, 905-Mounting plate, 906-Rack end cover, 907-Lifting plate, 908-Rack guide groove, 10-Position sensing device, 1001-Mounting bracket, 1002-First sensor, 1003-Second sensor, 1004-Buffer, 1005-Limit screw, 1006-Limit top plate, 11-Cooling pool, 12-Bottom cover. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0022] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only used to complement the content disclosed in the specification for those skilled in the art to understand and read, and are not intended to limit the conditions under which this utility model can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportional relationships, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0023] like Figure 1As shown, a vertical solidification furnace equipped with a semi-automatic loading and unloading device includes a heat treatment chamber assembly 1, a feeding and discharging device, a lifting device 6, a bottom cover conveying and lifting device, a cooling pool 11, and a bottom cover 12. The heat treatment chamber assembly 1 is used for heat treating materials; the feeding and discharging device is used for feeding and unloading materials into the heat treatment chamber assembly 1; the lifting device 6 is used for lifting materials into the heat treatment chamber assembly 1, and after heat treatment, lifting the materials into the cooling pool 11, and after cooling, lifting the materials onto the feeding and discharging device for transport; the bottom cover conveying and lifting device is used to combine the bottom cover 12 with the heat treatment chamber assembly 1; the cooling pool 11 is used to cool the heat-treated materials.

[0024] The heat treatment chamber assembly 1 includes a heat treatment chamber body 101 and a supporting base frame 102. The heat treatment chamber body 101 is vertically arranged and has a heating chamber inside. The inlet of the chamber is located at the bottom of the heat treatment chamber body 101, and the bottom cover 12 is matched with the size of the inlet of the chamber. The supporting base frame 102 is provided at the bottom of the heat treatment chamber body 101. The supporting base frame 102 is provided with four sets of support legs, which are fixed to the ground. Support fixing plates 105 are provided on the support legs, and the support fixing plates 105 are arranged in pairs opposite each other. A cooling pool 11 is dug in the ground, and the opening of the cooling pool 11 corresponds to the inlet of the heating chamber inside the heat treatment chamber body 101. A feeding and discharging device is provided below the heat treatment chamber assembly 1 for conveying the material to be heat treated to the inlet of the heating chamber. The heat treatment chamber body 101 is equipped with two sets of lifting hooks: the first hook 103 and the second hook 104. The first hook 103 and the second hook 104 are matched with a lifting device 6 for lifting materials into and out of the heating chamber.

[0025] In this embodiment, the heating cavity of the heat treatment chamber body 101 is a cylindrical cavity. A heating system is installed inside the cylindrical cavity of the heat treatment chamber body 101. The heating system in this embodiment is a conventional heat treatment heating system in the field of heat treatment technology, and will not be described in detail here.

[0026] Figure 1As shown, the lifting device 6 includes a winch 601, a tripod 602, a first sliding block 603, and a second pulley 604. The winch 601 is fixedly installed on the ground and located on the side of the heat treatment chamber assembly 1. The wire rope output head of the winch 601 is provided with a tripod 602. The tripod 602 is an equilateral tripod structure. A first fixing hole 6021 is provided at the top of the tripod. The wire rope output head of the winch 601 is wound and fixed in the first fixing hole 6021. The two ends of the bottom side are provided with second fixing holes 6022 and third fixing holes 6023. The first sliding block 603 and the second pulley 604 are provided on the top of the heat treatment chamber body 101. The first sliding block 603 is matched with the first hook 103, and the second pulley 604 is matched with the second hook 104. A wire rope is wound in the second fixing hole 6022 and matched with the first sliding block 603. A wire rope is wound in the third fixing hole 6023 and matched with the second pulley 604. By starting the winch 601 and retracting the wire rope, the material can be hoisted into the heat treatment chamber assembly 1. By releasing the wire rope, the material can be hoisted out of the heat treatment chamber assembly 1.

[0027] like Figure 1 , Figure 2 As shown, the feeding and discharging device includes a material frame 2, a material frame trolley 3, and a material frame trolley track 4. The material frame trolley track 4 is an I-beam track, which is set on both sides of the opening of the cooling pool 11 and extends outward to support the base frame 102. The outward extension length is greater than the length of the material frame trolley 3, so as to ensure that the initial position of the material frame trolley 3 is outside the support base frame 102. A material frame trolley 3 is installed on the material frame trolley track 4. The material frame trolley 3 includes a trolley body 301, a first caster set 302, and a trolley handle 303. The trolley body 301 has a square frame structure, and the first caster sets 302 are symmetrically arranged at the four corners. The first caster sets 302 are matched with the material frame trolley track 4. The trolley handle 303 is installed on the outer wall of the trolley body 301 in the direction of travel. The operator can push the material frame trolley 3 to move on the material frame trolley track 4 with the help of the trolley handle 303. A material frame 2 is installed on the material frame trolley 3. The material frame 2 has a hollow structure, which can effectively heat treat the material placed inside and cool it after the heat treatment.

[0028] like Figure 2 As shown, the top of the material frame 2 is also provided with two sets of material frame hanging rings 201, which are matched with the first hook 103 and the second hook 104.

[0029] like Figure 2As shown, a set of first blocking pins 401 are respectively provided at both ends of the material frame trolley track 4 to prevent the material frame trolley 3 from detaching from both ends of the material frame trolley track 4. Two sets of limiting stops 5 are provided at the front and rear ends of the running path of the material frame trolley 3 to limit the position of the material frame trolley 3 and facilitate the loading and unloading of the material frame 2. The limiting stop 5 includes a mounting base 501 and a limiting plate 502. The mounting base 501 is fixedly set on the ground, and the limiting plate 502 is vertically set on the top of the mounting base 501, facing the outer wall of the material frame trolley 3.

[0030] like Figure 1 As shown, a bottom cover conveying and lifting device is arranged in opposite directions of the feeding and discharging devices. The bottom cover conveying and lifting device includes a bottom cover conveying track assembly 7, a bottom cover conveying cart 8, a bottom cover lifting assembly 9, and a positioning sensor 10. The bottom cover conveying cart 8 is mounted on the bottom cover conveying track assembly 7, the bottom cover lifting assembly 9 is mounted on the bottom cover conveying cart 8, and a bottom cover 12 is mounted on the bottom cover lifting assembly 9. The bottom cover 12 is matched with the heating chamber inlet of the heat treatment chamber body 101 to seal the heating chamber inlet and ensure the heat treatment temperature environment inside the chamber. The positioning sensor 10 is matched with the bottom cover conveying track assembly 7 and the bottom cover conveying cart 8. When the bottom cover conveying cart 8 moves along the bottom cover conveying track assembly 7 to the heating chamber inlet of the heat treatment chamber body 101, the positioning sensor 10 sends a positioning signal, and the bottom cover lifting assembly 9 operates to lift the bottom cover 12 and fit it against the heating chamber inlet, maintaining the lifted state.

[0031] like Figure 3 As shown, the bottom cover conveyor rail assembly 7 includes support legs 701, first rails 702, and second blocking pins 703. The support legs 701 are arranged side by side at both ends of the outer side of the heat treatment box assembly 1. The support legs 701 are fixedly installed on the ground. Two sets of first rails 702 are provided on the support legs 701. The first rails 702 extend to the bottom of the box body 101 and are fixed on the support fixing plate 105 provided on the support base frame 102.

[0032] like Figure 4 As shown, the bottom cover conveyor 8 includes a conveyor body 801, a second set of casters 802, and a handle 803. The conveyor body 801 has a square frame structure, with the second set of casters 802 symmetrically arranged at the four corners. The second set of casters 802 is matched with two sets of first tracks 702. The handle 803 is provided on the outer wall of the conveyor body 801 in the direction of travel. The operator can push the bottom cover conveyor 8 on the bottom cover conveyor track assembly 7 with the help of the handle 803.

[0033] like Figure 4As shown, the bottom cover lifting assembly 9 includes a reduction motor 901, a gear 902, a rack 903, a guide post 904, a mounting plate 905, a rack end cover 906, a lifting plate 907, and a rack guide groove 908. The mounting plate 905 is fixedly mounted above the support of the conveyor vehicle body 801. The reduction motor 901 is located below the mounting plate 905 and is fixedly mounted below the support of the conveyor vehicle body 801. A gear 902 is located at the output shaft end of the reduction motor 901. A rack 903 is provided to match the mounting plate 905. The rack 903 extends upward through the mounting plate 905 and passes through the middle of the mounting plate 905. A rack end cap 906 is provided at the end of the rack 903 that extends through the mounting plate 905. A lifting plate 907 is provided on the rack end cap 906. Guide posts 904 are also provided on both sides of the rack 903 to ensure the stable vertical movement of the lifting plate 907. Below the mounting plate 905, a rack guide groove 908 is provided in the running direction of the rack 903 to guide the rack.

[0034] like Figure 4 , Figure 5 , Figure 6 As shown, the positioning sensing device 10 is provided in two sets. The positioning sensing device 10 includes a mounting bracket 1001, a plug-in sensor, a buffer 1004, a limit screw 1005, and a limit top plate 1006. The plug-in sensor includes a first sensor 1002 and a second sensor 1003. The first sensor 1002 is provided with a plug-in slot, and the second sensor 1003 has a plug-in piece. The plug-in piece on the second sensor 1003 is inserted into the plug-in slot on the first sensor 1002, and a positioning signal is output. Mounting bracket 1001 is located at the end of the first track 702. First sensor 1002 is located on top of mounting bracket 1001. Buffer 1004 and limiting screw 1005 are sequentially arranged below first sensor 1002, and buffer 1004 and limiting screw 1005 are screwed onto mounting bracket 1001. Second sensor 1003, matching first sensor 1002, is located on the outer end face of conveyor body 801. Limiting top plate 1006, matching buffer 1004 and limiting screw 1005, is located on the outer end face of conveyor body 801. When bottom cover conveyor 8 moves towards heat treatment chamber assembly 1, and the insert of second sensor 1003 enters the insert slot on first sensor 1002, a positioning signal is emitted. At this time, bottom cover 12 is transported to directly below the heating chamber inlet of heat treatment chamber body 101.

[0035] like Figure 1As shown, the material to be heat-treated is loaded into the material frame 2, and the material frame 2 is placed on the material frame trolley 3. The operator pushes the material frame trolley 3 to the entrance of the heating chamber below the heat treatment box body 101. At this time, the winch 601 is started to release the wire rope, and the first hook 103 and the second hook 104 are lowered and placed in the material frame hanging ring 201 respectively. The winch 601 pulls back the wire rope, and the material frame 2 is moved into the heating chamber inside the heat treatment box body 101. The material frame trolley 3 returns, the bottom cover conveying and lifting device is started, and the bottom cover conveyor 8 runs. The bottom cover conveyor 8 runs to the position sensing device 10. The second sensor 1003, which is set on the outer end face of the conveyor body 801, connects with the first sensor 1002, which is set on the top of the mounting bracket 1001. The position signal is issued, and the bottom cover 1002 is then in place. 2. The material is transported to the heating chamber inlet of the heat treatment box body 101. The bottom cover lifting assembly 9 operates, the reduction motor 901 starts, the gear 902 drives the rack 903 to lift, the lifting plate 907 lifts the bottom cover 12 to fit against the heating chamber inlet and maintains the lifted state, the heating chamber inlet is sealed, and heat treatment begins. After the heat treatment is completed, the lifting plate 907 descends, the bottom cover 12 is lifted and disengaged from the heating chamber inlet, the bottom cover conveyor 8 returns, the winch 601 is started, the wire rope is released, and the material frame 2 is lowered into the cooling pool 11 for material cooling. After the cooling is completed, the winch 601 pulls back the wire rope, lifting the material frame 2 from the cooling pool 11. The material frame trolley 3 runs to the material frame 2, receives the material frame 2, and transports it out. This cycle is repeated to complete the heat treatment process of the material in the vertical solidification furnace, reducing the labor intensity of people and improving efficiency.

Claims

1. A vertical solidification furnace equipped with a semi-automatic loading and unloading device, comprising a heat treatment chamber assembly (1), the heat treatment chamber assembly (1) comprising a heat treatment chamber body (101) and a supporting base frame (102), the heat treatment chamber body (101) being vertically arranged on the supporting base frame (102), a heating chamber being provided inside the heat treatment chamber body (101), the inlet of the heating chamber being located at the bottom of the heat treatment chamber body (101), and a bottom cover (12) for sealing the inlet being matched with the inlet of the heating chamber, characterized in that: A cooling pool (11) is provided below the heat treatment box body (101), and the inlet of the heating cavity corresponds to the pool opening of the cooling pool (11); The heat treatment box body (101) is provided with a feeding and discharging device below it. The feeding and discharging device includes a material frame (2), a material frame trolley (3), and a material frame trolley track (4). The material frame trolley track (4) is an I-beam track, which is set on both sides of the pool opening of the cooling pool (11) and extends outward to form a support base (102). The material frame trolley (3) is set on the material frame trolley track (4). The length of the support base (102) extending outward from the material frame trolley track (4) is greater than the length of the material frame trolley (3). The material frame (2) is set on the material frame trolley (3). A bottom cover conveying and lifting device is provided below the heat treatment box body (101). The bottom cover conveying and lifting device is located on the opposite side of the feeding and discharging device. The bottom cover conveying and lifting device includes a bottom cover conveying track assembly (7), a bottom cover conveying vehicle (8), a bottom cover lifting assembly (9), and a position sensing device (10). The bottom cover conveying vehicle (8) is provided on the bottom cover conveying track assembly (7). The bottom cover lifting assembly (9) is provided on the bottom cover conveying vehicle (8). A bottom cover (12) is provided above the bottom cover lifting assembly (9). The position sensing device (10) is provided at the end of the bottom cover conveying track assembly (7). A lifting device (6) is provided on the outside of the heat treatment box assembly (1).

2. A vertical solidification furnace with a semi-automatic loading and unloading device according to claim 1, characterized in that: Two sets of limit stop seats (5) are provided at the front and rear ends of the running path of the material frame trolley (3). The limit stop seat (5) includes a mounting seat (501) and a limit plate (502). The limit plate (502) is vertically provided on the top of the mounting seat (501) and faces the outer wall of the material frame trolley (3).

3. A vertical solidification furnace with a semi-automatic loading and unloading device according to claim 1, characterized in that: The bottom cover conveying track assembly (7) includes a support leg (701), a first track (702), and a second blocking pin (703). The support leg (701) is provided with the first track (702), which extends to the bottom of the box body (101). The two ends of the first track (702) are provided with the second blocking pin (703).

4. A vertical solidification furnace with a semi-automatic loading and unloading device according to claim 3, characterized in that: The bottom cover conveyor (8) includes a conveyor body (801), a second set of casters (802), and a handle (803). The conveyor body (801) is a square frame structure with the second set of casters (802) symmetrically arranged at the four corners. The second set of casters (802) is matched with the first track (702). The handle (803) is provided on the outer side wall of the conveyor body (801) in the direction of travel.

5. A vertical solidification furnace with a semi-automatic loading and unloading device according to claim 4, characterized in that: The bottom cover lifting assembly (9) includes a geared motor (901), a gear (902), a rack (903), a guide post (904), a mounting plate (905), a rack end cap (906), a lifting plate (907), and a rack guide groove (908). The mounting plate (905) is fixedly installed above the support of the conveyor vehicle body (801). The geared motor (901) is installed below the mounting plate (905). The geared motor (901) is fixedly installed below the support of the conveyor vehicle body (801). The geared motor (901) outputs power to the conveyor vehicle. A gear (902) is provided at the output shaft end, and a rack (903) is provided to match the gear (902). The rack (903) extends upward through the middle of the mounting plate (905). A rack end cap (906) is provided at one end of the rack (903) that extends out of the mounting plate (905). A lifting plate (907) is provided on the rack end cap (906). Guide posts (904) are also provided on both sides of the rack (903). A rack guide groove (908) is provided below the mounting plate (905) in the direction of rack (903) running.

6. A vertical solidification furnace with a semi-automatic loading and unloading device according to claim 5, characterized in that: The positioning sensing device (10) includes a mounting bracket (1001), a plug-in sensor, a buffer (1004), a limiting screw (1005), and a limiting top plate (1006). The plug-in sensor includes a first sensor (1002) and a second sensor (1003). The first sensor (1002) is provided with a plug-in slot, and the second sensor (1003) is provided with a plug-in piece. The plug-in piece on the second sensor (1003) is inserted into the plug-in slot on the first sensor (1002), and a positioning signal is output. The mounting bracket (1001) is located at the end of the first track (702). The first sensor (1002) is disposed on the top of the mounting bracket (1001), and a buffer (1004) and a limiting screw (1005) are disposed below the first sensor (1002) in sequence. The buffer (1004) and the limiting screw (1005) are screwed onto the mounting bracket (1001). A second sensor (1003) matching the first sensor (1002) is disposed on the outer end face of the conveyor body (801), and a limiting top plate (1006) matching the buffer (1004) and the limiting screw (1005) is disposed on the outer end face of the conveyor body (801).

7. A vertical solidification furnace with a semi-automatic loading and unloading device according to claim 1, characterized in that: The lifting device (6) includes a winch (601), a tripod (602), a first sliding block (603), and a second pulley (604). The wire rope output head of the winch (601) is provided with a tripod (602). The tripod (602) is an equilateral tripod structure. Wire ropes are wound around the two ends of the bottom edge of the tripod (602). The first sliding block (603) and the second pulley (604) are located on the top of the heat treatment box body (101). The wire ropes wound around the two ends of the bottom edge of the tripod (602) are matched with the first sliding block (603) and the second pulley (604).

8. A vertical solidification furnace with a semi-automatic loading and unloading device according to claim 7, characterized in that: The heat treatment box body (101) is provided with two sets of lifting hooks: a first hook (103) and a second hook (104). The positions of the first hook (103) and the second hook (104) are matched with the first sliding (603) and the second pulley (604).

9. A vertical solidification furnace with a semi-automatic loading and unloading device according to claim 8, characterized in that: The top of the material frame (2) is provided with two sets of material frame hanging rings (201), and the material frame hanging rings (201) are matched with the first hook (103) and the second hook (104).

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