A melting device for producing tin ingots

Abstract

The present invention relates to the technical field of tin ingot smelting, and in particular to a melting device for tin ingot production, comprising a heating unit and a movable bracket, wherein the heating unit is in a tubular structure, the movable bracket is in a cylindrical structure, the movable bracket is inserted into the heating unit, a heating chamber is provided in the movable bracket, two symmetrically arranged platforms are provided on the top of the movable bracket, and a plurality of linearly distributed circular slots are provided on the top of the platforms. Conventional melting furnaces have poor insulation effects, and the temperature of the melting furnace will continue to drop when the tin is poured out. When the time for pouring out the tin continues for too long, the molten tin will easily cool and condense again, and the melting furnace needs to be heated again at this time, which increases the energy consumption when the tin ingot is melted. The present invention designs a movable bracket, and through the reciprocating movement of the movable bracket, in conjunction with the heating unit, the tin ingot can be melted and heated while the melted tin can be kept warm for a long time.

Description

Technical Field

[0001] The present invention relates to the technical field of tin ingot smelting, in particular to a melting device for tin ingot production. Background Art

[0002] Tin ingot is a block made by casting metallic tin. It is the basic raw material for all tin deep processing and has a wide range of uses in food, machinery, electrical appliances, automobiles, aerospace and other industrial sectors.

[0003] The existing tin ingot production mainly involves extracting metallic tin from tin ore, and then casting the extracted molten metallic tin into a specified mold to form a tin ingot. When metallic tin is needed for production, the tin ingot usually needs to be melted before production and processing. However, the existing tin ingot melting process has the following problems: 1. In the existing tin ingot melting process, several tin ingots are usually placed in a melting furnace for melting treatment. When the tin ingots are melted, the melting furnace is taken out and the molten tin inside is poured out for production and processing. However, the heat preservation effect of conventional melting furnaces is poor. When pouring out the tin, the temperature of the melting furnace will continue to drop. If the pouring time of the tin continues for too long, the molten tin will easily cool and condense again. At this time, the melting furnace needs to be heated again, which increases the energy consumption when melting the tin ingot and reduces the efficiency of using the tin ingot for production. 2. During the melting process, the existing tin ingots usually need to be manually stirred to accelerate the melting of the tin ingot. This stirring method is relatively primitive, and the temperature of the tin ingot is too high when it is melted. Manual stirring has certain safety risks, which brings inconvenience to the melting of the tin ingot. Summary of the Invention

[0004] In order to solve the above problems, the present invention provides a melting device for producing tin ingots.

[0005] The present invention adopts the following technical solution: a melting device for tin ingot production, comprising a heating unit and a movable bracket, characterized in that: the heating unit is a circular tubular structure, the movable bracket is a cylindrical structure, the movable bracket is inserted into the heating unit, a heating chamber is provided in the movable bracket, two mutually symmetrical platforms are provided on the top of the movable bracket, a plurality of linearly distributed circular slots are provided on the top of the platforms, the bottoms of the circular slots pass through the platforms and are connected to the heating chamber, and a cylindrical hollow melting liner is inserted in the circular slots;

[0006] The top of the melting liner is an open structure, an isolation tube is fixedly installed at the bottom of the inner wall of the melting liner, a stepped circular groove is opened at the bottom of the melting liner, the bottom of the isolation tube is connected to the stepped circular groove, a rotating disk is rotatably installed in the stepped circular groove, a connecting rod is fixedly installed on the top of the rotating disk, and the end of the connecting rod away from the rotating disk passes through the isolation tube and is fixedly installed with an L-shaped stirring rod;

[0007] A main shaft is rotatably installed in the heating chamber, and a plurality of linearly distributed transmission bevel gears are fixedly installed on the main shaft. A lifting plate is provided in the heating chamber and above the main shaft, and a plurality of spring pressure rods are fixedly installed on the bottom of the lifting plate, and the bottom of the spring pressure rods is fixedly installed on the inner wall of the heating chamber. A plurality of linearly distributed spring telescopic shafts are rotatably installed on the top of the lifting plate, and a driven gear is fixedly installed on the top of the spring telescopic shaft. A gear groove is provided at the bottom of the rotating disk, and the opening position of the gear groove corresponds one-to-one to the installation position of the driven gear. The bottom of the spring telescopic shaft passes through the lifting plate and is fixedly installed with a driven bevel gear, and the installation position of the driven bevel gear corresponds one-to-one to the installation position of the transmission bevel gear.

[0008] As a preferred technical solution of the present invention, a roller is rotatably installed on the side of the stirring rod close to the isolation tube, and the roller contacts the outer wall of the isolation tube. A plurality of linearly distributed spring steel sheets are fixedly installed on the side of the stirring rod away from the isolation tube.

[0009] As a preferred technical solution of the present invention, a number of linearly distributed tilting rods are fixedly installed on both sides of the lifting plate, and through grooves are provided on both sides of the movable bracket. The through grooves pass through the movable bracket and are connected to the heating chamber. An auxiliary shaft is rotatably installed in the through groove, and an arc-shaped heat insulation board is fixedly installed on the auxiliary shaft. The installation position of the heat insulation board corresponds to the installation position of the tilting rod.

[0010] As an optimal technical solution of the present invention, two symmetrically arranged arc-shaped movable grooves are provided in the movable bracket and between the two platforms, and two symmetrically arranged arc-shaped racks are inserted in the arc-shaped movable grooves. The ends of the two arc-shaped racks in the same arc-shaped movable groove that are close to each other are both arc-shaped structures, and the ends of the two arc-shaped racks in the same arc-shaped movable groove that are away from each other are fixedly installed with extrusion springs, and the ends of the extrusion springs away from the arc-shaped racks are fixedly installed on the inner wall of the arc-shaped movable groove, and the ends of the auxiliary shafts close to the arc-shaped movable grooves extend into the movable bracket and are fixedly installed with a driving gear, and the driving gear corresponds to the arc-shaped racks one by one and meshes with the arc-shaped racks, and two symmetrically arranged extrusion balls are inserted at the bottom of the movable bracket, and the tops of the extrusion balls extend into the corresponding arc-shaped movable grooves and are located between the two arc-shaped racks, and the extrusion balls are in contact with the corresponding arc-shaped racks.

[0011] As a preferred technical solution of the present invention, the bottom of the inner wall of the stepped circular groove is provided with positioning tooth grooves evenly distributed along its circumference, and the bottom of the rotating disk is fixedly installed with positioning teeth evenly distributed along its circumference. The installation position of the positioning teeth corresponds to the opening position of the positioning tooth grooves, and the top of the inner wall of the stepped circular groove is inserted with a number of spring steel balls evenly distributed along its circumference, and the spring steel balls are in contact with the top of the rotating disk.

[0012] As a preferred technical solution of the present invention, sealing plates are fixedly installed at both ends of the movable bracket, a driving frame with a concave structure is provided on one side of the heating unit, a driving tooth groove is provided on the side of the driving frame close to the heating unit, and a rotating gear is rotatably installed on the outer wall of the heating unit, and the rotating gear is engaged with the driving tooth groove.

[0013] As a preferred technical solution of the present invention, a limiting ring is fixedly installed on the top of the outer wall of the melting inner liner, and two symmetrically arranged limiting blocks are fixedly installed on the bottom of the limiting ring. A limiting groove is provided on the top of the platform and below the limiting block, and the limiting block and the limiting groove are matched in a concave-convex manner.

[0014] As a preferred technical solution of the present invention, a rotation groove is provided on the top of the platform and on both sides of the circular slot. The rotation groove is connected to the circular slot, and a limit buckle is rotatably installed in the rotation groove.

[0015] The beneficial effects of the present invention are as follows: 1. The present invention designs a movable bracket, which, through the reciprocating movement of the movable bracket, cooperates with the heating unit to melt and heat the tin ingot while keeping the molten tin warm for a long time, avoiding the temperature drop of the molten tin and the cooling, thereby improving the efficiency of production using the tin ingot.

[0016] 2. The present invention designs a molten liner. When the molten liner is inserted into the circular slot, it will drive the gear groove at the bottom of the rotating disk to engage with the driven gear. When one of the platforms on the movable bracket is inserted into the heating unit, the lifting plate can be pressed by rotating the heat insulation plate in conjunction with the tilting rod. The pressed lifting plate drives the driven bevel gear to engage with the transmission bevel gear. At this time, driven by the main shaft, the molten liner in the heating unit can be stirred at the same time, which accelerates the efficiency of melting the tin ingot and reduces safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further explained below in conjunction with the accompanying drawings and embodiments:

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0019] Figure 2 This invention Figure 1 Schematic diagram of the local enlarged structure at A.

[0020] Figure 3 It is a three-dimensional cutaway structural diagram of the mobile bracket of the present invention.

[0021] Figure 4 This invention Figure 3 Schematic diagram of the local enlarged structure at B.

[0022] Figure 5 It is a schematic diagram of the three-dimensional cross-section structure of the melting liner of the present invention.

[0023] Figure 6 This invention Figure 5 Schematic diagram of the local enlarged structure at C.

[0024] Figure 7 It is a schematic diagram of the three-dimensional cross-section structure of the present invention.

[0025] Figure 8 The present invention Figure 7 Schematic diagram of the local enlarged structure at D.

[0026] Figure 9 It is a schematic cross-sectional structural diagram of the melting liner of the present invention.

[0027] Figure 10 It is a schematic cross-sectional structural diagram of the stirring rod of the present invention.

[0028] Figure 11 It is a schematic diagram of the planar structure of the present invention.

[0029] Figure 12 The present invention Figure 11 AA section structural diagram.

[0030] Figure 13 This invention Figure 12 Schematic diagram of the local enlarged structure at E.

[0031] In the figure: 1. Heating unit; 2. Moving bracket; 201. Heating chamber; 202. Platform; 203. Circular slot; 3. Melting liner; 301. Isolation tube; 302. Stepped circular slot; 303. Rotating plate; 304. Connecting rod; 305. Stirring rod; 204. Main shaft; 205. Transmission bevel gear; 206. Lifting plate; 207. Spring pressure rod; 208. Spring telescopic shaft; 209. Driven gear; 340. Gear slot; 210. Driven bevel gear; 306. Roller; 307. Spring steel sheet; 211. Tilt rod; 212. Through slot; 213. Auxiliary shaft; 214. Heat shield; 215. Arc-shaped movable slot; 216. Arc-shaped rack; 217. Extrusion spring; 218. Driving gear; 219. Extrusion ball; 308. Positioning tooth groove; 309. Positioning tooth; 310. Spring steel ball; 220. Sealing plate; 221. Driving frame; 222. Driving tooth groove; 101. Rotating gear; 311. Limiting ring; 312. Limiting block; 223. Limiting slot; 224. Rotating slot; 225. Limiting buckle. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and effects of the present invention easier to understand, the present invention is further described below with reference to specific diagrams. It should be noted that the embodiments and features in the embodiments of this application can be combined with each other unless they conflict.

[0033] See Figures 1 to 4 A melting device for tin ingot production includes a heating unit 1 and a movable bracket 2. The heating unit 1 is a circular tubular structure, and the movable bracket 2 is a cylindrical structure. The movable bracket 2 is inserted into the heating unit 1. A heating chamber 201 is provided in the movable bracket 2. Two mutually symmetrical platforms 202 are provided on the top of the movable bracket 2. A plurality of linearly distributed circular slots 203 are provided on the top of the platform 202. The bottom of the circular slots 203 passes through the platform 202 and is connected to the heating chamber 201. A cylindrical hollow structure is inserted in the circular slots 203. The movable bracket 2 can drive the two platforms 202 to be inserted back and forth into the heating unit 1 by moving. The platform 202 can be inserted with the melting liner 3 through the circular slot 203. The melting liner 3 is used to place the tin ingot. When the melting liner 3 with the tin ingot is inserted into the circular slot 203, its bottom will extend into the heating chamber 201. At this time, the tin ingot in the melting liner 3 can be heated and melted by the heating of the heating unit 1. At this time, the heat in the heating chamber 201 will keep the melting liner 3 on the platform 202 exposed to the outside warm.

[0034] See Figures 5 to 8The top of the melting liner 3 is an open structure. An isolation tube 301 is fixedly installed at the bottom of the inner wall of the melting liner 3. A stepped circular groove 302 is opened at the bottom of the melting liner 3. The bottom of the isolation tube 301 is connected to the stepped circular groove 302. A rotating disk 303 is rotatably installed in the stepped circular groove 302. A connecting rod 304 is fixedly installed on the top of the rotating disk 303. The end of the connecting rod 304 away from the rotating disk 303 passes through the isolation tube 301 and is fixedly installed with an L-shaped stirring rod 305. The rotating disk 303 at the bottom of the melting liner 3 can drive the connecting rod 304 and the stirring rod 305 to rotate by rotation. The stirring rod 305 can stir the tin ingot in the melting liner 3 to accelerate the melting speed of the tin ingot. The isolation tube 301 can isolate the molten tin ingot to prevent the molten tin ingot from flowing out of the melting liner 3.

[0035] See Figures 7 to 9 A main shaft 204 is rotatably installed in the heating chamber 201, and a number of linearly distributed transmission bevel gears 205 are fixedly installed on the main shaft 204. A lifting plate 206 is provided in the heating chamber 201 and above the main shaft 204. A number of spring pressure rods 207 are fixedly installed at the bottom of the lifting plate 206. The bottom of the spring pressure rods 207 is fixedly installed on the inner wall of the heating chamber 201. A number of linearly distributed spring telescopic shafts 208 are rotatably installed on the top of the lifting plate 206. A driven gear 209 is fixedly installed on the top of the spring telescopic shaft 208. A gear groove 340 is provided at the bottom of the rotating disk 303. The opening position of the gear groove 340 corresponds to the installation position of the driven gear 209. The bottom of the spring telescopic shaft 208 passes through the lifting plate 206 and is fixedly installed with a driven bevel gear 210, the installation position of the driven bevel gear 210 corresponds to the installation position of the transmission bevel gear 205 one by one. The main shaft 204 is driven by the external drive device to rotate, which can drive the transmission bevel gear 205 to rotate. The lifting plate 206 is connected to the heating chamber 201 through the spring pressure rod 207 and can be lifted and lowered a specified distance. When the molten liner 3 is inserted into the heating chamber 201, it will drive the gear groove 340 to plug into the driven gear 209 at the specified position. When one of the platforms 202 on the mobile bracket 2 is inserted into the heating unit 1, the spring telescopic shaft 208 and the driven gear 209 can be driven to rotate synchronously through the transmission bevel gear 205 and the driven bevel gear 210. The driven gear 209 drives the rotating disk 303 and the stirring rod 305 to rotate synchronously to achieve stirring.

[0036] See Figure 10A roller 306 is rotatably mounted on the side of the stirring rod 305 close to the isolation tube 301, and the roller 306 contacts the outer wall of the isolation tube 301. A plurality of linearly distributed spring steel sheets 307 are fixedly mounted on the side of the stirring rod 305 away from the isolation tube 301. The roller 306 on the stirring rod 305 can increase the smoothness of the rotation of the stirring rod 305, and the spring steel sheet 307 can increase the stirring effect of the stirring rod 305. At the same time, when the tin ingot in the melting liner 3 is not completely melted, the spring steel sheet 307 can allow the stirring rod 305 to pass smoothly, thereby preventing the stirring rod 305 from being blocked by the unmelted tin ingot.

[0037] See Figure 3 and Figure 4 , a plurality of linearly distributed tilting rods 211 are fixedly installed on both sides of the lifting plate 206, and a through slot 212 is provided on both sides of the movable bracket 2. The through slot 212 passes through the movable bracket 2 and is connected to the heating chamber 201. An auxiliary shaft 213 is rotatably installed in the through slot 212, and an arc-shaped heat insulation board 214 is fixedly installed on the auxiliary shaft 213. The installation position of the heat insulation board 214 corresponds to the installation position of the tilting rod 211. When one of the two platforms 202 moves into the heating unit 1, the operation pair The auxiliary shaft 213 at the corresponding position drives the heat insulation plate 214 to rotate and open the through slot 212. At this time, the heating unit 1 can directly heat the heating chamber 201. When the heat insulation plate 214 rotates to the specified position, it will contact the tilting rod 211. At this time, the heat insulation plate 214 continues to rotate to press the tilting rod 211. The tilting rod 211 drives the lifting plate 206 to descend synchronously. When the lifting plate 206 descends to the specified position, it drives the driven bevel gear 210 to engage with the corresponding transmission bevel gear 205.

[0038] See Figures 11 to 13, two symmetrically arranged arc-shaped moving grooves 215 are opened in the moving bracket 2 and between the two platforms 202, and two symmetrically arranged arc-shaped racks 216 are inserted in the arc-shaped moving groove 215. The ends of the two arc-shaped racks 216 in the same arc-shaped moving groove 215 that are close to each other are both arc-shaped structures, and the ends of the two arc-shaped racks 216 in the same arc-shaped moving groove 215 that are away from each other are fixedly installed with extrusion springs 217, and the ends of the extrusion springs 217 away from the arc-shaped racks 216 are fixedly installed on the inner wall of the arc-shaped moving groove 215. The ends of the auxiliary shafts 213 close to the arc-shaped moving groove 215 extend into the moving bracket 2 and are fixedly installed with a driving gear 218. The driving gear 218 corresponds to and meshes with the arc-shaped racks 216 one by one. Two symmetrically arranged extrusion balls 219 are inserted at the bottom of the moving bracket 2, and the tops of the extrusion balls 219 extend into the corresponding arc-shaped structures. The movable groove 215 is located between the two arc-shaped racks 216, and the squeezing ball 219 is in contact with the corresponding arc-shaped rack 216. When the movable bracket 2 drives one of the two platforms 202 to move into the heating unit 1, it will drive the squeezing ball 219 at the corresponding position to contact the heating unit 1. At this time, the squeezing ball 219 is squeezed by the inner wall of the heating unit 1 and automatically shrinks. When the squeezing ball 219 shrinks into the arc-shaped movable groove 215, it will squeeze the arc-shaped rack 216 in the opposite direction. The two arc-shaped racks 216 in the same arc-shaped movable groove 215 are squeezed by the squeezing ball 219 and move in opposite directions. When the arc-shaped rack 216 moves, it will drive the corresponding driving gear 218 to rotate. When the driving gear 218 rotates, it will drive the auxiliary shaft 213 to rotate synchronously. The auxiliary shaft 213 drives the heat insulation plate 214 to move to open the through slot 212, so that the heating unit 1 can heat the heating chamber 201.

[0039] See Figure 9The bottom of the inner wall of the stepped circular groove 302 is provided with positioning tooth grooves 308 evenly distributed along its circumference. The bottom of the rotating disk 303 is fixedly installed with positioning teeth 309 evenly distributed along its circumference. The installation position of the positioning teeth 309 corresponds to the opening position of the positioning tooth grooves 308. The top of the inner wall of the stepped circular groove 302 is inserted with a plurality of spring steel balls 310 evenly distributed along its circumference. The spring steel balls 310 are in contact with the top of the rotating disk 303. When the molten liner 3 is not inserted into the circular slot 203, the rotating disk 303 is pressed against the bottom of the inner wall of the stepped circular groove 302 under the resistance of the spring steel balls 310. At this time, the positioning teeth 309 will be inserted into the inner wall of the stepped circular groove 302. It is arranged in the positioning tooth groove 308. At this time, the positions of the rotating disk 303 and the stirring rod 305 remain fixed, which can prevent the stirring rod 305 from shaking when pouring out the tin. When the molten liner 3 is inserted into the circular slot 203, the gear groove 340 at the bottom of the rotating disk 303 will be plugged into the driven gear 209 at the corresponding position. At this time, under the action of the weight of the molten liner 3 itself, a conflict will be generated between the rotating disk 303 and the driven gear 209. The rotating disk 303 that is in conflict will rise upward by a specified distance and drive the positioning teeth 309 to disengage from the positioning tooth groove 308. At this time, the rotating disk 303 can be rotated under the drive of the driven gear 209.

[0040] See Figure 1 , sealing plates 220 are fixedly installed at both ends of the movable bracket 2, and a driving bracket 221 with a concave structure is provided on one side of the heating unit 1. A driving tooth groove 222 is provided on the side of the driving bracket 221 close to the heating unit 1, and a rotating gear 101 is rotatably installed on the outer wall of the heating unit 1. The rotating gear 101 is engaged with the driving tooth groove 222. The sealing plate 220 is used to seal the two ends of the movable bracket 2, and also limits the moving distance of the movable bracket 2. When the sealing plate 220 at one end of the movable bracket 2 contacts the heating unit 1, it can cooperate with the movable bracket 2 itself to seal the heating unit 1 to a certain extent, thereby reducing heat dissipation. The driving bracket 221 is used to drive the movable bracket 2 to move back and forth. When the movable bracket 2 needs to move, the rotating gear 101 is driven to rotate by another external driving device, and the driving tooth groove 222 can realize the movement of the driving bracket 221.

[0041] See Figure 9 A limit ring 311 is fixedly installed on the top of the outer wall of the molten liner 3, and two symmetrically arranged limit blocks 312 are fixedly installed on the bottom of the limit ring 311. A limit groove 223 is provided on the top of the platform 202 and below the limit block 312. The limit block 312 and the limit groove 223 are matched with each other in a concave-convex manner. The limit ring 311 is used to limit the molten liner 3 to prevent the molten liner 3 from shaking in the circular slot 203. The limit block 312 cooperates with the limit groove 223 to prevent the molten liner 3 from rotating with the rotating disk 303.

[0042] See Figure 1 and Figure 9 A rotating groove 224 is provided on the top of the platform 202 and on both sides of the circular slot 203. The rotating groove 224 is connected to the circular slot 203. A limiting buckle 225 is rotatably installed in the rotating groove 224. The limiting buckle 225 can press the melting liner 3 by rotating, so as to prevent the melting liner 3 from popping out under the interference of the driven gear 209. The limiting block 312 and the limiting groove 223 can play a positioning role for the melting liner 3.

[0043] When using:

[0044] First, move the movable bracket 2 to the designated position, so that one of the two platforms 202 moves out of the heating unit 1. Insert several melting liner 3 containing tin ingots into the circular slots 203 on the above platform 202 in sequence. After the melting liner 3 is inserted into the circular slots 203, rotate the limit buckle 225 to limit the melting liner 3.

[0045] The movable bracket 2 is operated to move, driving the platform 202 with the molten liner 3 inserted therein to be inserted into the heating unit 1. At this time, the squeezing ball 219 at the corresponding position contacts and is squeezed by the inner wall of the heating unit 1. The squeezing ball 219 is squeezed by the inner wall of the heating unit 1 and automatically shrinks. When the squeezing ball 219 shrinks into the arc-shaped movable groove 215, it squeezes the arc-shaped rack 216 in the opposite direction. The two arc-shaped racks 216 in the same arc-shaped movable groove 215 are squeezed by the squeezing ball 219 and move in opposite directions. When the arc-shaped rack 216 moves, it drives the corresponding driving gear 218 to rotate. When the driving gear 218 rotates, it drives the auxiliary shaft 213 to rotate synchronously. The auxiliary shaft 213 drives the heat insulation plate 214 to move to open the through slot 212, so that the heating unit 1 can heat the heating chamber 201.

[0046] When the heating chamber 201 is heated, the corresponding melting liner 3 will be heated synchronously. When the tin ingot in the melting liner 3 is melted, when the heat insulation plate 214 rotates to the specified position, it will contact the tilting rod 211. At this time, the heat insulation plate 214 continues to rotate to press the tilting rod 211, and the tilting rod 211 drives the lifting plate 206 to descend synchronously. When the lifting plate 206 descends to the specified position, it drives the driven bevel gear 210 to engage with the corresponding transmission bevel gear 205. At this time, the rotating disk 303 at the bottom of the melting liner 3 in the heating unit 1 can rotate along with the main shaft 204. The rotation of the rotating disk 303 can drive the stirring rod 305 to stir the molten tin, thereby accelerating the melting of the tin;

[0047] When the tin in the heating unit 1 is completely melted, the movable bracket 2 is operated to move in the opposite direction out of the heating unit 1. When the heated platform 202 is moved out of the heating unit 1, the squeezing ball 219 automatically falls, and its corresponding arc-shaped rack 216 moves toward each other under the action of the squeezing spring 217, driving its corresponding auxiliary shaft 213 and the heat insulation plate 214 to automatically close. At the same time, when the movable bracket 2 moves, it will synchronously drive another platform 202 to be inserted into the heating unit 1. At this time, the heat insulation plate 214 corresponding to the other platform 202 is opened, and the heating unit 1 can continue to heat the heating chamber 201. At the same time, the heat in the heating chamber 201 will continuously keep the molten inner liner 3 moved out of the heating unit 1 warm. The reciprocating movement of the movable bracket 2 can cyclically drive different molten inner liners 3 into the heating unit 1 for heating, thereby improving the efficiency of tin ingot melting.

[0048] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above-described embodiments. The above-described embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A melting device for producing tin ingots, comprising a heating unit (1) and a movable support (2), characterized in that: The heating unit (1) is in a tubular structure, the movable bracket (2) is in a cylindrical structure, the movable bracket (2) is inserted in the heating unit (1), a heating chamber (201) is provided in the movable bracket (2), two mutually symmetrically arranged platforms (202) are provided on the top of the movable bracket (2), a plurality of linearly distributed circular slots (203) are provided on the top of the platforms (202), the bottoms of the circular slots (203) pass through the platforms (202) and are in communication with the heating chamber (201), and a cylindrical hollow melting liner (3) is inserted in the circular slots (203); The top of the melting liner (3) is an open structure, an isolation tube (301) is fixedly installed at the bottom of the inner wall of the melting liner (3), a stepped circular groove (302) is provided at the bottom of the melting liner (3), the bottom of the isolation tube (301) is connected to the stepped circular groove (302), a rotating disk (303) is rotatably installed in the stepped circular groove (302), a connecting rod (304) is fixedly installed on the top of the rotating disk (303), and the end of the connecting rod (304) away from the rotating disk (303) passes through the isolation tube (301) and is fixedly installed with an L-shaped stirring rod (305); A main shaft (204) is rotatably mounted in the heating chamber (201), and a plurality of linearly distributed transmission bevel gears (205) are fixedly mounted on the main shaft (204). A lifting plate (206) is provided in the heating chamber (201) and above the main shaft (204). A plurality of spring pressure rods (207) are fixedly mounted on the bottom of the lifting plate (206). The bottom of the spring pressure rods (207) is fixedly mounted on the inner wall of the heating chamber (201). A plurality of linearly distributed transmission bevel gears (205) are rotatably mounted on the top of the lifting plate (206). The spring telescopic shaft (208) is provided with a driven gear (209) fixedly mounted on the top of the spring telescopic shaft (208); a gear groove (340) is provided at the bottom of the rotating disk (303); the opening position of the gear groove (340) corresponds to the installation position of the driven gear (209); the bottom of the spring telescopic shaft (208) passes through the lifting plate (206) and is fixedly mounted with a driven bevel gear (210); the installation position of the driven bevel gear (210) corresponds to the installation position of the transmission bevel gear (205).

2. A melting device for producing tin ingots according to claim 1, characterized in that: A roller (306) is rotatably mounted on the side of the stirring rod (305) close to the isolation tube (301), and the roller (306) contacts the outer wall of the isolation tube (301). A plurality of linearly distributed spring steel sheets (307) are fixedly mounted on the side of the stirring rod (305) away from the isolation tube (301).

3. The melting device for producing tin ingots according to claim 1, characterized in that: A plurality of linearly distributed tilting rods (211) are fixedly installed on both sides of the lifting plate (206), and a through slot (212) is provided on both sides of the movable bracket (2), wherein the through slot (212) passes through the movable bracket (2) and is connected to the heating chamber (201), and an auxiliary shaft (213) is rotatably installed in the through slot (212), and an arc-shaped heat insulation plate (214) is fixedly installed on the auxiliary shaft (213), and the installation position of the heat insulation plate (214) corresponds to the installation position of the tilting rod (211).

4. A melting device for producing tin ingots according to claim 3, characterized in that: Two symmetrically arranged arcuate moving grooves (215) are provided in the moving bracket (2) and between the two platforms (202). Two symmetrically arranged arcuate racks (216) are inserted in the arcuate moving groove (215). The ends of the two arcuate racks (216) in the same arcuate moving groove (215) that are close to each other are both in an arc-shaped structure. The ends of the two arcuate racks (216) in the same arcuate moving groove (215) that are away from each other are both fixedly installed with a pressing spring (217). The end of the pressing spring (217) that is away from the arcuate rack (216) is fixedly installed in the arcuate moving groove ( On the inner wall of the movable bracket (215), one end of the auxiliary shaft (213) close to the arc-shaped movable groove (215) extends into the movable bracket (2) and is fixedly installed with a driving gear (218), the driving gear (218) corresponds to and meshes with the arc-shaped rack (216) one by one, and two symmetrically arranged squeezing balls (219) are inserted at the bottom of the movable bracket (2), the top of the squeezing ball (219) extends into the corresponding arc-shaped movable groove (215) and is located between the two arc-shaped racks (216), and the squeezing ball (219) contacts the corresponding arc-shaped rack (216).

5. The melting device for producing tin ingots according to claim 1, characterized in that: The bottom of the inner wall of the stepped circular groove (302) is provided with positioning tooth grooves (308) evenly distributed along its circumference, and the bottom of the rotating disk (303) is fixedly installed with positioning teeth (309) evenly distributed along its circumference. The installation position of the positioning teeth (309) corresponds to the opening position of the positioning tooth grooves (308). The top of the inner wall of the stepped circular groove (302) is provided with a plurality of spring steel balls (310) evenly distributed along its circumference, and the spring steel balls (310) are in contact with the top of the rotating disk (303).

6. The melting device for producing tin ingots according to claim 1, characterized in that: Sealing plates (220) are fixedly mounted on both ends of the movable bracket (2), a driving frame (221) with a concave structure is provided on one side of the heating unit (1), a driving tooth groove (222) is provided on the side of the driving frame (221) close to the heating unit (1), and a rotating gear (101) is rotatably mounted on the outer wall of the heating unit (1), and the rotating gear (101) is meshed with the driving tooth groove (222).

7. The melting device for producing tin ingots according to claim 1, characterized in that: A limiting ring (311) is fixedly installed on the top of the outer wall of the melting liner (3), and two symmetrically arranged limiting blocks (312) are fixedly installed on the bottom of the limiting ring (311). A limiting groove (223) is provided at the top of the platform (202) and below the limiting block (312), and the limiting block (312) and the limiting groove (223) are matched in a concave-convex manner.

8. The melting device for producing tin ingots according to claim 1, characterized in that: A rotation groove (224) is provided on the top of the platform (202) and on both sides of the circular slot (203). The rotation groove (224) is connected to the circular slot (203). A limit buckle (225) is rotatably installed in the rotation groove (224).

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