A gold ingot circulating automatic production system

Abstract

A kind of gold ingot circulation automatic production system, including rack, mould cover automatic cover mechanism, feeding mechanism, heating mechanism, cooling mechanism, discharging mechanism and cleaning mechanism, rack is provided with filling site, filling site rear is provided with mould cover automatic cover mechanism, mould cover automatic cover mechanism rear is provided with feeding mechanism, feeding mechanism rear is provided with heating mechanism, heating mechanism rear is provided with cooling mechanism, cooling mechanism rear is provided with discharging mechanism, discharging mechanism rear is provided with cleaning mechanism, the melt way of heating mechanism is located in the front end of heating furnace, crystallization section is located in the rear end of heating furnace, fixedly installed with observation window on the side plate of crystallization section, primary cooling section is connected in the rear end of crystallization section.The automatic production line of the whole automatic gold ingot production line in the utility model is in the form of tunnel and is integrated with automatic production line of melting, crystallization and cooling, reaches the whole automatic production line from raw material to gold ingot finished product, and production line is high in production efficiency by replacing mould of different forming cavity.

Description

Technical Field

[0001] This utility model discloses a gold ingot production system, and more particularly a gold ingot recycling automatic production system, belonging to the field of precious metal processing technology. Background Technology

[0002] Gold ingots are precious metal ingots made of gold, possessing high value and multiple uses. The application of gold in industries such as electronics, aerospace, and medicine requires raw materials with "controllable purity and regular shape." Industrial gold requires extremely high purity (e.g., the gold plating layer of electronic chips requires a purity of ≥99.99%). Gold ingots undergo multiple refining processes during production (such as electrolytic refining), resulting in a purity far exceeding that of raw gold, allowing them to be used directly as industrial raw materials without further purification.

[0003] Conventional gold ingot production equipment mainly includes the following types: (1) Vacuum casting equipment heats and melts gold in a vacuum or inert gas environment, then injects it into a mold in a controlled manner, and then solidifies and cools to form a shape. Vacuum casting machines are expensive and have low production efficiency. The qualified rate of semi-automatic vacuum casting machines is about 90%, and the daily output is low. The production process requires manual handling of each piece, which is labor-intensive and results in low output and high labor costs.

[0004] (2) Centrifugal casting equipment uses centrifugal force to uniformly fill a rotating mold to produce gold ingots. The main equipment used is a centrifugal casting machine. It has certain limitations when used to produce irregularly shaped castings. It is not very suitable for producing gold ingots with complex shapes. The inner diameter of the casting is inaccurate, the inner surface is relatively rough, the quality is poor, and the machining allowance is large.

[0005] (3) Forging and pressing equipment uses mechanical pressure to repeatedly hammer and stretch gold billets into the shape of gold ingots. Commonly used equipment includes forging presses. It is necessary to first make the gold into suitable billets, which increases the pre-processing steps and makes it difficult to produce gold ingots with extremely high dimensional accuracy. During the forging process, stress may be generated inside the gold. If the subsequent processing is not proper, it may affect the quality and performance of the gold ingot. Summary of the Invention

[0006] To address the shortcomings of existing gold ingot processing equipment, such as high cost and quality issues in the produced ingots, this invention provides an automated gold ingot production system. This system uses a transmission mechanism to automatically switch between heating, cooling, and feeding mechanisms, enabling the processing of gold ingots. The fully automated gold ingot production line of this invention is a tunnel-type integrated production line for melting, crystallization, and cooling, achieving full automation from raw materials to finished gold ingots. By changing molds with different forming cavities, the production line can automatically produce gold ingots of 50g, 100g, 500g, 1kg, 3kg, and 12.5kg.

[0007] The technical solution adopted by this utility model to solve its technical problem is: an automatic production system for gold ingot circulation. The production system includes a frame, an automatic mold cover mounting mechanism, a feeding mechanism, a heating mechanism, a cooling mechanism, a discharging mechanism, and a cleaning mechanism. A loading position is provided on the frame, an automatic mold cover mounting mechanism is provided behind the loading position, a feeding mechanism is provided behind the automatic mold cover mounting mechanism, a heating mechanism is provided behind the feeding mechanism, a cooling mechanism is provided behind the heating mechanism, a discharging mechanism is provided behind the cooling mechanism, and a cleaning mechanism is provided behind the discharging mechanism.

[0008] The technical solution adopted by this utility model to solve its technical problem further includes: The automatic mold cover mounting mechanism includes a first gantry support, a mold cover loading and lifting cylinder, a mold cover loading suction head, a mold cover loading transverse movement cylinder, a mold cover loading transverse movement slide rail, and a mold cover loading adapter plate. The first gantry support is fixedly mounted on the machine frame. The mold cover loading transverse movement cylinder and the mold cover loading transverse movement slide rail are fixedly mounted on the first gantry support. The mold cover loading transverse movement cylinder and the mold cover loading transverse movement slide rail are arranged in parallel. The mold cover loading adapter plate is provided on the mold cover loading transverse movement slide rail. The cylinder rod of the mold cover loading transverse movement cylinder is connected to the mold cover loading adapter plate. The mold cover loading lifting cylinder is fixedly mounted on the mold cover loading adapter plate. The mold cover loading suction head is fixedly mounted on the cylinder rod of the mold cover loading lifting cylinder.

[0009] The feeding mechanism includes a second gantry support, a mold support platform, and a transverse linear motor module. The second gantry support is fixedly installed on the frame, the mold support platform is fixedly installed on the frame, and the mold support platform is located below the second gantry support. The transverse linear motor module is fixedly installed on the second gantry support.

[0010] The lateral linear motor module includes a lateral linear motor, a lateral push plate, and a lateral connecting rod. The lateral linear motor is fixedly mounted on the second gantry bracket, the lateral connecting rod is mounted on the lateral linear motor, and the lateral push plate is fixedly mounted on the bottom of the lateral connecting rod. A propulsion linear motor module is also fixedly mounted on the frame. The propulsion linear motor module includes a propulsion linear motor and a propulsion push plate, and the propulsion push plate is fixedly mounted on the propulsion linear motor.

[0011] The heating mechanism includes a front section of the melting channel, a heating furnace, a crystallization section, and a primary cooling section. The front section of the melting channel is located at the front end of the heating furnace, the crystallization section is located at the rear end of the heating furnace, an observation window is fixedly installed on the side plate of the crystallization section, and the primary cooling section is connected to the rear end of the crystallization section.

[0012] The heating furnace includes an inner plate, a surrounding plate, a heating coil, and a magnetic core. The inner plate covers the outside of the feeding channel, the surrounding plate surrounds the outer side of the inner plate, the heating coil is embedded in the surrounding plate, and the magnetic core is surrounded by the outer side of the heating coil. A protective plate is provided outside the magnetic core, the protective plate including a first side plate, a second side plate, and a top plate of the heating furnace. The first side plate and the second side plate are respectively positioned on the left and right sides of the magnetic core, and the top plate is positioned above the magnetic core. A first door panel support frame is installed at the front end of the heating furnace, and a second door panel support frame is installed at the rear end of the heating furnace. The first door panel support frame and the heating coil are connected to the magnetic core. The structure of the second door panel support frame is the same. The heating furnace door panel is embedded in the second door panel support frame. A door panel pushing cylinder mounting plate is fixedly installed on the second door panel support frame. A door panel pushing cylinder is fixedly installed on the door panel pushing cylinder mounting plate. A door panel pushing cylinder rod is inserted into the door panel pushing cylinder. A push plate pushing connecting plate is fixedly installed at the end of the door panel pushing cylinder rod. A door panel connecting rod is fixedly installed on the push plate pushing connecting plate. The door panel connecting rod is fixedly installed together with the heating furnace door panel. A thermocouple is embedded in the heating furnace. A heat insulation plate is fixedly installed on the frame. The heat insulation plate is set corresponding to the outside of the heating furnace.

[0013] The heating mechanism is connected to a cooling mechanism at its rear end. The cooling mechanism includes a cooling tank, a propulsion cylinder, and a discharge cylinder. The propulsion cylinder is fixedly installed at the bottom of the cooling tank. A propulsion connecting plate is fixedly installed at the end of the cylinder rod of the propulsion cylinder. A first propulsion rod and a second propulsion rod are fixedly installed on the propulsion connecting plate. Through holes are respectively opened on the side wall of the cooling tank corresponding to the positions of the first and second propulsion rods. The first and second propulsion rods are inserted into the cooling tank through the through holes. The discharge cylinder is fixedly installed on the frame. A discharge slide rail is fixedly installed on the side wall of the cooling tank. A discharge push block is fixedly installed at the end of the cylinder rod of the discharge cylinder. The discharge push block is set on the discharge slide rail.

[0014] The unloading mechanism includes a third gantry support, an unloading transverse cylinder, an unloading transverse slide rail, a first unloading servo motor driven lead screw guide rail module, a second unloading servo motor driven lead screw guide rail module, a first unloading suction head, and a second unloading suction head. The third gantry support is fixedly mounted on the machine frame. The unloading transverse cylinder and the unloading transverse slide rail are fixedly mounted on the third gantry support and are arranged in parallel. The first unloading servo motor driven lead screw guide rail module and the second unloading servo motor driven lead screw... The guide rail module is installed on the unloading transverse slide rail. The first unloading servo motor drive screw guide rail module and the second unloading servo motor drive screw guide rail module are respectively fixedly connected to the cylinder rod of the unloading transverse cylinder. The first unloading suction head is fixedly installed at the bottom of the cylinder rod of the first unloading servo motor drive screw guide rail module, and the second unloading suction head is fixedly installed at the bottom of the cylinder rod of the second unloading servo motor drive screw guide rail module. A gold ingot support frame is fixedly installed on the frame, and an anti-slip positioning plate is laid on the gold ingot support frame.

[0015] The automatic mold cleaning mechanism includes a cleaning chamber shell, a front baffle of the cleaning chamber, a rear baffle of the cleaning chamber, a bamboo-joint air knife, and an air suction pipe. The cleaning chamber shell is fixedly installed on the frame, the front baffle of the cleaning chamber is installed at the front end of the cleaning chamber shell, the rear baffle of the cleaning chamber is installed at the rear end of the cleaning chamber shell, the bamboo-joint air knife is fixedly installed on the air intake split pipe, and the air suction pipe is fixedly installed on the cleaning chamber shell.

[0016] The outer side of the frame is equipped with a protective cover, on which a filling window is opened at the filling position and a unloading window is opened at the position of the unloading mechanism. An alarm is also installed on the top of the protective cover, and an exhaust vent for the machine platform is set on the top of the protective cover. A human-machine interface is set on the protective cover.

[0017] The beneficial effects of this utility model are: This utility model uses a transmission mechanism to automatically switch the mold between heating, cooling, and feeding mechanisms, thus enabling the processing of gold ingots. This utility model has a compact and rationally arranged structure, achieving the entire gold ingot processing function while occupying minimal space, and can achieve continuous operation.

[0018] This invention enables automatic melting and casting of gold particles into ingots, automatic temperature-controlled solidification, and automatic cooling, and features overheat, overpressure, and overcurrent protection functions. A thermocouple is installed at the crystallization site to monitor the crystallization temperature in real time, ensuring the quality of the gold ingot's appearance. Through controllable melting and casting technology, this invention achieves a smooth, flat surface, free of pores and shrinkage lines, with consistent thickness, no cracks, and rounded edges without serrations.

[0019] This invention relates to a fully automated gold ingot production line that integrates smelting, crystallization, and cooling in a tunnel-like configuration. This achieves full automation from raw materials to finished gold ingots. By changing molds with different forming cavities, the production line can automatically produce gold ingots of 50g, 100g, 500g, 1kg, 3kg, and 12.5kg. Compared to existing gold ingot processing equipment, this invention offers higher production efficiency, with a fully automated production line capable of producing over 45 ingots per hour (1kg) and over 7 ingots per hour (3kg).

[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0022] Figure 2 This is a two-dimensional structural diagram of the present invention from a second perspective.

[0023] Figure 3 This is a schematic diagram of the exploded state structure of this utility model.

[0024] Figure 4 This is a three-dimensional structural diagram of the automatic cover-up mechanism for the mold cover in this utility model.

[0025] Figure 5 This is a three-dimensional structural diagram of the feeding mechanism in this utility model.

[0026] Figure 6 This is a schematic diagram of the disassembled structure of the feeding mechanism in this utility model.

[0027] Figure 7 This is a three-dimensional structural diagram of the heating mechanism in this utility model.

[0028] Figure 8 This is a schematic diagram of the exploded state of the heating mechanism in this utility model.

[0029] Figure 9 This is a three-dimensional structural diagram of the heating device in this utility model.

[0030] Figure 10 This is a schematic diagram of the exploded state of the heating device in this utility model.

[0031] Figure 11 This is a three-dimensional structural diagram of the cooling mechanism in this utility model.

[0032] Figure 12 This is a schematic diagram of the exploded structure of the cooling mechanism in this utility model.

[0033] Figure 13 This is a three-dimensional structural diagram of the automatic mold cleaning mechanism in this utility model.

[0034] Figure 14 This is a partial exploded view of the automatic mold cleaning mechanism in this utility model.

[0035] In the diagram, 1-protective cover, 11-protective cover bracket, 12-safety door, 13-maintenance door, 14-alarm, 15-loading window, 16-unloading window, 17-machine exhaust vent, 18-human-machine interface, 2-main unit, 21-frame, 22-loading position, 23-automatic mold cover mounting mechanism, 231-first gantry bracket, 232-mold cover loading lifting cylinder, 233-mold cover loading suction head, 234-mold cover loading transverse movement cylinder, 235-mold cover loading transverse movement slide rail, 236-mold cover loading adapter plate, 24-loading mechanism, 241-second gantry bracket, 242-mold support platform, 243-transverse movement linear motor module, 2431-transverse movement linear motor, 2432-transverse movement push plate, 2433-transverse movement connecting rod. 244-Propulsion linear motor module, 2441-Propulsion linear motor, 2442-Propulsion push plate, 25-Heating mechanism, 251-Front position of melting channel, 252-Heating furnace, 2521-Inner plate, 2522-Surrounding plate, 2523-Heating coil, 2524-Magnetic core, 25251-First side plate of heating furnace, 25252-Second side plate of heating furnace, 25253-Top plate of heating furnace, 25261-First door panel support frame of heating furnace, 25262-Second door panel support frame of heating furnace, 25263-Door panel of heating furnace, 2527-First door panel push cylinder assembly of heating furnace, 2528-Second door panel push cylinder assembly of heating furnace, 25281-Door panel push cylinder, 25282-Door panel push cylinder rod, 25283-Door panel connecting rod, 25284 Push plate pushes connecting plate, 25285-door panel push cylinder mounting plate, 2529-thermocouple, 253-crystallization section, 2531-observation window, 254-primary cooling section, 255-heat insulation plate, 26-cooling mechanism, 261-cooling tank, 262-propulsion cylinder, 2621-propulsion connecting plate, 2622-first propulsion rod, 2623-second propulsion rod, 263-discharge cylinder, 2631-discharge slide rail, 2632-discharge push block. 264-Cooling cover plate, 265-Floating joint cylinder seat, 266-Floating joint cylinder, 267-Floating joint, 268-Protective cover, 27-Unloading mechanism, 271-Third gantry bracket, 272-Unloading transverse cylinder, 273-Unloading transverse slide rail, 274-First unloading servo motor driven lead screw guide rail module, 275-Second unloading servo motor driven lead screw guide rail module, 276-First unloading suction head, 277-Second unloading suction head, 278 - Mold cover push slide rail, 279- Mold cover push head, 2710- Mold cover push cylinder, 28- Automatic mold cleaning mechanism, 281- Air blowing cleaning chamber, 2811- Cleaning chamber shell, 2812- Cleaning chamber front baffle, 2813- Cleaning chamber rear baffle, 2814- Cleaning chamber top cover, 2815- Top cover sealing ring, 2816- Air inlet splitter pipe, 2817- Bamboo joint air knife, 2818- Air knife head, 2819- Suction pipe, 3- Mold4-Mold spacer block, 5-Mold cover, 6-Gold ingot, 7-Gold ingot support bracket, 71-Anti-slip positioning plate. Detailed Implementation

[0036] This embodiment is a preferred embodiment of the present invention. All other embodiments that are the same as or similar to this embodiment in principle and basic structure are within the protection scope of the present invention.

[0037] Please refer to the appendix for details. Figure 1 To be continued Figure 14 This utility model protects an automatic production system for gold ingot recycling, which mainly includes a frame 21, an automatic mold cover mounting mechanism 23, a feeding mechanism 24, a heating mechanism 25, a cooling mechanism 26, a discharging mechanism 27, and a cleaning mechanism 28. A filling position 22 is provided on the frame 21. In this embodiment, filling is done manually. In practice, other filling equipment can also be used to perform the filling operation at the filling position 22. The automatic mold cover mounting mechanism 23 is located behind the filling position 22. The feeding mechanism 24 is located behind the automatic mold cover mounting mechanism 23. The heating mechanism 25 is located behind the feeding mechanism 24. The cooling mechanism 26 is located behind the heating mechanism 25. The discharging mechanism 27 is located behind the cooling mechanism 26. A cleaning mechanism 28 is installed at the rear. Except for filling and feeding, all other processes in this invention are fully automated, achieving a high degree of automation. This fully automated gold ingot production line is a tunnel-type integrated production line for melting, crystallization, and cooling, achieving full automation from raw materials to finished gold ingots. By changing molds with different forming cavities, the production line can automatically produce gold ingots of 50g, 100g, 500g, 1kg, 3kg, and 12.5kg. Compared to existing gold ingot processing equipment, this invention has high production efficiency, with a fully automated gold ingot production line capacity of >45 pieces / hour for 1kg and >7 pieces / hour for 3kg.

[0038] In this utility model, the terms "front" and "rear" are defined according to the working sequence, not in terms of spatial front and back. In this utility model, the filling of material into mold 3 is the beginning, and the next process is defined as "rear", and so on.

[0039] In this embodiment, the automatic mold cover mounting mechanism 23 mainly includes a first gantry support 231, a mold cover loading lifting cylinder 232, a mold cover loading suction head 233, a mold cover loading transverse movement cylinder 234, a mold cover loading transverse movement slide rail 235, and a mold cover loading adapter plate 236. The first gantry support 231 is fixedly mounted on the frame 21. The mold cover loading transverse movement cylinder 234 and the mold cover loading transverse movement slide rail 235 are fixedly mounted on the first gantry support 231. The mold cover loading transverse movement cylinder 234 and the mold cover loading transverse movement slide rail 235 are arranged in parallel. The mold cover loading transverse movement slide rail 235 is provided with a mold cover loading adapter plate 236. The cylinder rod of the mold cover loading transverse movement cylinder 234 is connected to the mold cover loading adapter plate 236. The mold cover loading lifting cylinder 232 is fixedly mounted on the mold cover loading adapter plate 236. The mold cover 5 can be moved back and forth along the mold cover 3 by pushing the mold cover loading transition plate 236 and the mold cover loading lifting cylinder 232 along the mold cover loading transverse slide rail 235 via the mold cover loading transverse transfer cylinder 234. The mold cover loading suction head 233 is fixedly installed on the cylinder rod of the mold cover loading lifting cylinder 232. In use, the mold cover 5 can be lifted by the mold cover loading suction head 233, and then the mold cover loading lifting cylinder 232 can be moved along the mold cover loading transverse transfer slide rail 235 via the mold cover loading transverse transfer cylinder 234 to move it above the mold 3. The mold cover 5 can be placed into the mold 3 via the mold cover loading lifting cylinder 232.

[0040] In this embodiment, the feeding mechanism 24 mainly includes a second gantry bracket 241, a mold support platform 242, and a transverse linear motor module 243. The second gantry bracket 241 is fixedly installed on the frame 21, and the mold support platform 242 is fixedly installed on the frame 21. The mold support platform 242 is located below the second gantry bracket 241. The transverse linear motor module 243 is fixedly installed on the second gantry bracket 241, and the mold 3 can be pushed to move on the mold support platform 242 by the transverse linear motor module 243.

[0041] In this embodiment, the transverse linear motor module 243 includes a transverse linear motor 2431, a transverse push plate 2432, and a transverse connecting rod 2433. The transverse linear motor 2431 is fixedly mounted on the second gantry bracket 241, and the transverse connecting rod 2433 is mounted on the transverse linear motor 2431. The transverse linear motor 2431 can push the transverse connecting rod 2433 to move. The transverse push plate 2432 is fixedly mounted on the bottom of the transverse connecting rod 2433. The transverse push plate 2432 can synchronously push the mold 3 and the mold spacer block 4 to move together.

[0042] In this embodiment, a linear motor module 244 is also fixedly installed on the frame 21. The mold 3 and the mold spacer block 4 can be pushed into the heating mechanism 25 together by the linear motor module 244. The linear motor module 244 includes a linear motor 2441 and a push plate 2442. The push plate 2442 is fixedly installed on the linear motor 2441, and the linear motor 2441 pushes the push plate 2442 forward.

[0043] In this embodiment, the transverse linear motor 2431 and the propulsion linear motor 2441 can be servo motors, which can make the feeding process smoother and more efficient.

[0044] In this embodiment, the heating mechanism 25 is the core mechanism of this utility model. The heating mechanism 25 mainly includes a melting channel front position 251, a heating furnace 252, a crystallization section 253, and a primary cooling section 254. The melting channel front position 251 is located at the front end of the heating furnace 252 (defined as front and rear according to the feeding direction in this utility model). Through the blocking and heat insulation effect of the melting channel front position 251, the heat in the high-temperature heating furnace 252 can affect other components of this utility model as little as possible. The crystallization section 253 is located at the rear end of the heating furnace 252. The crystallization section 253 can, on the one hand, allow the molten gold solution to be initially cooled and crystallized, and on the other hand, through the blocking and heat insulation effect of the crystallization section 253, the heat in the high-temperature heating furnace 252 can affect other components of this utility model as little as possible. In this embodiment, an observation window 2531 is fixedly installed on the side plate of the crystallization section 253, allowing observation of the internal condition of the crystallization section 253. The primary cooling section 254 is connected to the crystallization section 253. At the rear end, the crystallized gold ingot undergoes initial natural cooling. In this embodiment, a temperature detection device, such as a thermocouple, can be selectively installed in the crystallization section 253 to monitor the temperature of the crystallization section 253 in real time, ensuring the appearance quality of the formed gold ingot.

[0045] In this embodiment, the heating furnace 252 uses electromagnetic heating to heat the gold ingot inside the mold 3. The heating furnace 252 mainly includes an inner plate 2521, a surrounding plate 2522, a heating coil 2523, and a magnetic core 2524. The inner plate 2521 is installed outside the feeding channel, and the surrounding plate 2522 surrounds the outer side of the inner plate 2521. The inner plate 2521 and the surrounding plate 2522 are made of heat-resistant material that can be passed through by magnetic field lines. The heating coil 2523 is embedded in the surrounding plate 2522. By passing high-frequency alternating current through the heating coil 2523, an alternating magnetic field is induced inside it. The gold ingot inside it generates eddy currents under the action of the alternating magnetic field and melts the gold ingot by using the heat generated by itself.

[0046] In this embodiment, a magnetic core 2524 surrounds the heating coil 2523. The magnetic field lines outside the heating coil 2523 are absorbed by the magnetic core 2524, which can prevent the magnetic field generated by the heating coil 2523 from affecting external devices.

[0047] In this embodiment, a protective plate is provided outside the magnetic core 2524. The protective plate includes a first side plate 25251, a second side plate 25252, and a top plate 25253 of the heating furnace. The first side plate 25251 and the second side plate 25252 are respectively disposed on the left and right sides of the magnetic core 2524, and the top plate 25253 is disposed above the magnetic core 2524, which can protect the internal structure.

[0048] In this embodiment, a thermocouple 2529 is embedded in the heating furnace 252, which can automatically monitor the heating temperature inside the heating furnace 252 to ensure that the heating temperature reaches the set standard.

[0049] In this embodiment, a first door panel support frame 25261 is installed at the front end (inlet end) of the heating furnace 252, and a second door panel support frame 25262 is installed at the rear end (outlet end) of the heating furnace 252. The first door panel support frame 25261 and the second door panel support frame 25262 have the same structure. Here, the second door panel support frame 25262 is used as an example for explanation. A heating furnace door panel 25263 is embedded in the second door panel support frame 25262. The heating furnace door panel 25263 can move up and down within the second door panel support frame 25262, thereby blocking the outlet of the heating furnace 252. A door panel push cylinder mounting plate 25285 is fixedly installed on the second door panel support frame 25262, and a door panel push cylinder 25281 is fixedly installed on the door panel push cylinder mounting plate 25285. The furnace door panel is internally fitted with a door panel push cylinder rod 25282. A push plate push connecting plate 25284 is fixedly installed at the end of the door panel push cylinder rod 25282. A door panel connecting rod 25283 is fixedly installed on the push plate push connecting plate 25284. The door panel connecting rod 25283 is fixedly installed together with the heating furnace door panel 25263. The heating furnace door panel 25263 can be pushed up and down by the door panel push cylinder 25281, thereby realizing the door closing and opening operation. The above structures together constitute the second door panel pushing cylinder assembly 2528 of the heating furnace. Similarly, a set of the same first door panel pushing cylinder assembly 2527 is also fixedly installed on the first door panel support frame 25261 of the heating furnace. The first door panel pushing cylinder assembly 2527 and the second door panel pushing cylinder assembly 2528 of the heating furnace push the door panels on both sides of the heating furnace 252 to realize the opening and closing operations. Thus, when the heating furnace 252 is working, the door panels on both sides can be closed to prevent internal heat from being transferred out from the inlet and outlet and affecting other components of this utility model.

[0050] In this embodiment, a heat insulation plate 255 is fixedly installed on the frame 21. The heat insulation plate 255 is set on the outside of the heating furnace 252. The heat insulation plate 255 can directly block the heat emitted by the heating furnace 252 to the outside, minimizing the impact on the operator.

[0051] In this embodiment, a cooling mechanism 26 is connected to the rear end of the heating mechanism 25. The cooling mechanism 26 is connected to the primary cooling section 254 of the heating mechanism 25. The cooling mechanism 26 mainly includes a cooling tank 261, a propulsion cylinder 262, and a discharge cylinder 263. Cooling water is introduced into the bottom plate of the cooling tank 261 to water cool the mold 3. The propulsion cylinder 262 is fixedly installed at the bottom of the cooling tank 261. A propulsion connecting plate 2621 is fixedly installed at the end of the cylinder rod of the propulsion cylinder 262. A first propulsion rod 2622 and a second propulsion rod 2623 are fixedly provided on the propulsion connecting plate 2621. Through holes are respectively opened on the side wall of the cooling tank 261 at the positions of the first propulsion rod 2622 and the second propulsion rod 2623. The first propulsion rod 2622 and the second propulsion rod 2623 are inserted into the cooling tank 261 through the through holes, and the mold 3 can be pushed synchronously by the first propulsion rod 2622 and the second propulsion rod 2623. The mold spacer 4 moves with the cooling tank 261, pushing it from one side (feeding side) to the other side (discharge side). In this embodiment, the discharge cylinder 263 is fixedly mounted on the frame 21, and a discharge slide rail 2631 is fixedly mounted on the side wall of the cooling tank 261 (discharge side). The discharge push block 2632 is fixedly mounted at the end of the cylinder rod of the discharge cylinder 263. The discharge push block 2632 is set on the discharge slide rail 2631, and the cooled mold 3 and mold spacer 4 can be pushed out of the cooling tank 261 one by one through the discharge push block 2632. In this embodiment, a protective cover 268 is installed on the outside of the discharge slide rail 2631 to protect the discharge slide rail 2631.

[0052] In this embodiment, a floating joint cylinder seat 265 is fixedly installed above the cooling tank 261, a floating joint cylinder 266 is fixedly installed on the floating joint cylinder seat 265, a floating joint 267 is fixedly installed at the end of the cylinder rod of the floating joint cylinder 266, and a cooling cover plate 264 is fixedly installed on the floating joint 267. The cooling cover plate 264 can be pushed up and down by the floating joint cylinder 266 to cover the mold 3.

[0053] In this embodiment, a feeding mechanism 27 is provided behind the cooling mechanism 26 to demold and feed the cooled gold ingot. In this embodiment, the unloading mechanism 27 mainly includes a third gantry bracket 271, an unloading transverse cylinder 272, an unloading transverse slide rail 273, a first unloading servo motor driven lead screw guide rail module 274, a second unloading servo motor driven lead screw guide rail module 275, a first unloading suction head 276, and a second unloading suction head 277. The third gantry bracket 271 is fixedly mounted on the frame 21. The unloading transverse cylinder 272 and the unloading transverse slide rail 273 are fixedly mounted on the third gantry bracket 271. The unloading transverse cylinder 272 and the unloading transverse slide rail 273 are arranged in parallel. The first unloading servo motor driven lead screw guide rail module 274 and the second unloading servo motor driven lead screw guide rail module 275 are mounted on the unloading transverse slide rail 273 and can slide along the unloading transverse slide rail 273. The first unloading servo motor driven lead screw guide rail module 274... The first and second unloading servo motor drive screw guide modules 274 and 275 are fixedly connected to the cylinder rods of the unloading transverse cylinder 272. The unloading transverse cylinder 272 can synchronously push the first unloading servo motor drive screw guide modules 274 and 275 to slide along the unloading transverse slide rail 273. The first unloading suction head 276 is fixedly installed at the bottom of the cylinder rod of the first unloading servo motor drive screw guide module 274, and the second unloading suction head 277 is fixedly installed at the bottom of the cylinder rod of the second unloading servo motor drive screw guide module 275. The second unloading suction head 277 can adsorb the processed gold ingot 6 for unloading, and the first unloading suction head 276 can adsorb the mold cover 5 for unloading.

[0054] In this embodiment, a gold ingot support frame 7 is fixedly installed on the frame 21 for temporary storage of gold ingots 6. An anti-slip positioning plate 71 is laid on the gold ingot support frame 7 to prevent the gold ingots 6 from falling off. In use, the processed gold ingots can be manually removed from the anti-slip positioning plate 71. In practical implementation, it can be freely expanded to include docking with a material handling robot or other automated material handling equipment.

[0055] In this embodiment, a mold cover pushing cylinder 2710 and a mold cover pushing slide rail 278 are fixedly installed on the frame 21. The mold cover pushing cylinder 2710 and the mold cover pushing slide rail 278 are arranged in parallel. A mold cover pushing head 279 is provided on the mold cover pushing slide rail 278. The mold cover pushing head 279 is fixedly installed together with the cylinder rod 2710 of the mold cover pushing cylinder. The mold cover 5 can be pushed forward by the mold cover pushing head 279.

[0056] In the unloading operation of this invention, the first unloading servo motor drives the lead screw guide module 274 to align above the mold 3. The first unloading servo motor drives the lead screw guide module 274 to push the first unloading suction head 276 downwards, which lifts the mold cover 5. Simultaneously, the unloading lateral movement cylinder 272 pushes the first unloading servo motor drives the lead screw guide module 274 and the second unloading servo motor drives the lead screw guide module 275 laterally. The first unloading servo motor drives the lead screw guide module 274 is positioned above the transmission track of the mold cover 5. The second unloading servo motor drives the lead screw guide module 275 is aligned above the mold 3. The first unloading servo motor drives the lead screw guide module 274 pushes the first unloading suction head 276 downwards, lifting the mold cover 5. The gold ingot 6 is placed on the mold cover transfer track. Simultaneously, the second unloading servo motor drives the lead screw guide module 275 to push the second unloading suction head 277 downward. The second unloading suction head 277 picks up the processed gold ingot 6. The unloading lateral movement cylinder 272 synchronously pushes the first unloading servo motor driven lead screw guide module 274 and the second unloading servo motor driven lead screw guide module 275 to move laterally. The second unloading suction head 277 delivers the gold ingot 6 to the gold ingot support frame 7, where it is manually removed by the staff. The first unloading servo motor driven lead screw guide module 274 picks up the mold cover 5 again. At the same time, the mold cover pushing cylinder 2710 pushes the mold cover 5 forward through the mold cover pushing head 279 to make room for placing the mold cover 5 again.

[0057] In this embodiment, the rear end of the feeding mechanism 27 is connected to an automatic mold cleaning mechanism 28. The automatic mold cleaning mechanism 28 mainly consists of an air-blowing cleaning chamber 281. The air-blowing cleaning chamber 281 includes a cleaning chamber shell 2811, a cleaning chamber front baffle 2812, a cleaning chamber rear baffle 2813, a bamboo-joint air knife 2817, and an air suction pipe 2819. The cleaning chamber shell 2811 is fixedly installed on the frame 21. The cleaning chamber front baffle 2812 is installed at the front end of the cleaning chamber shell 2811, and the cleaning chamber rear baffle 2813 is installed at the rear end of the cleaning chamber shell 2811. Different cleaning chamber front baffles 2812 and cleaning chamber rear baffles 2813 can be replaced according to the height of different molds 3 to ensure that it works in the best condition. The bamboo-joint air knife 2817 is fixedly installed on the air intake split pipe 2816. In this embodiment, four bamboo-joint air knives 2817 are provided, which blow air to clean the inside of the mold 3 in four directions. In specific implementation, the number of bamboo-joint air knives 2817 can be set according to actual needs. The four bamboo-joint air knives 2817 are fixedly installed on the two air intake split pipes 2816 respectively. The mold 3 passes between the two guide rails. Each bamboo-joint air knife 2817 has an air knife head 2818 fixedly installed at its end. The suction pipe 2819 is fixedly installed on the outer shell 2811 of the cleaning chamber. The gold dust, impurities, etc. blown by the bamboo-joint air knife 2817 can be sucked away by the suction pipe 2819 for sorting, purification, and reuse.

[0058] In this embodiment, a cleaning chamber top cover 2814 is fixedly installed on the top of the cleaning chamber shell 2811, and the inside of the cleaning chamber shell 2811 can be operated through the cleaning chamber top cover 2814. A top cover sealing ring 2815 is provided between the cleaning chamber top cover 2814 and the cleaning chamber shell 2811.

[0059] In this embodiment, a protective cover 1 is installed on the outside of the host 2, which can protect the host 2 inside and effectively prevent the internal heat from dissipating into the air and raising the ambient temperature.

[0060] In this embodiment, the protective cover 1 mainly includes a protective cover bracket 11, which is assembled from profiles. The upper part of the protective cover bracket 11 corresponds to the operating space of the main unit 2. Safety doors 12 are installed on all four sides of the upper part of the protective cover bracket 11. When in use, the safety doors 12 can be opened to manually operate the processes of the gold ingot production line, as well as perform maintenance and repair. The lower part of the protective cover bracket 11 corresponds to the control space of the main unit 2. A maintenance door 13 is installed on the lower part of the protective cover bracket 11. When in use, the maintenance door 13 can be opened to perform maintenance and repair operations on the control devices of the gold ingot production line.

[0061] In this embodiment, a filling window 15 is provided on the protective cover 1 at the position corresponding to the filling position 22 for filling materials at this position, and a feeding window 16 is provided on the protective cover 1 at the position corresponding to the feeding mechanism 27 for feeding the gold ingot 6 to the outside at this position.

[0062] In this embodiment, an alarm 14 is also installed on the top of the protective cover 1. In case of an emergency, the alarm 14 can sound an alarm to remind staff to handle the situation in a timely manner.

[0063] In this embodiment, an exhaust vent 17 is provided on the top of the protective cover 1, from which air inside the protective cover 1 can be discharged.

[0064] In this embodiment, a human-machine interface 18 is provided on the protective cover 1. The human-machine interface 18 is located next to the loading window 15. The working procedure of this utility model can be operated through the human-machine interface 18, and the working status of this utility model can be displayed through the human-machine interface 18.

[0065] This invention uses a transmission mechanism to automatically switch the mold between heating, cooling, and feeding mechanisms, enabling the processing of gold ingots. The invention features a compact and rationally arranged structure, achieving the entire gold ingot processing function while occupying minimal space, and allowing for continuous operation.

[0066] This invention enables automatic melting and casting of gold particles into ingots, automatic temperature-controlled solidification, and automatic cooling, and features overheat, overpressure, and overcurrent protection functions. A thermocouple is installed at the crystallization site to monitor the crystallization temperature in real time, ensuring the quality of the gold ingot's appearance. Through controllable melting and casting technology, this invention achieves a smooth, flat surface, free of pores and shrinkage lines, with consistent thickness, no cracks, and rounded edges without serrations.

[0067] This invention relates to a fully automated gold ingot production line that integrates smelting, crystallization, and cooling in a tunnel-like configuration. This achieves full automation from raw materials to finished gold ingots. By changing molds with different forming cavities, the production line can automatically produce gold ingots of 50g, 100g, 500g, 1kg, 3kg, and 12.5kg. Compared to existing gold ingot processing equipment, this invention offers higher production efficiency, with a fully automated production line capable of producing over 45 ingots per hour (1kg) and over 7 ingots per hour (3kg).

Claims

1. An automated production system for gold ingot recycling, characterized in that: The production system includes a frame (21), an automatic mold cover mounting mechanism (23), a feeding mechanism (24), a heating mechanism (25), a cooling mechanism (26), a discharging mechanism (27), and a cleaning mechanism (28). A loading position (22) is provided on the frame (21). The automatic mold cover mounting mechanism (23) is provided behind the loading position (22). The feeding mechanism (24) is provided behind the automatic mold cover mounting mechanism (23). The heating mechanism (25) is provided behind the feeding mechanism (24). The cooling mechanism (26) is provided behind the heating mechanism (25). The discharging mechanism (27) is provided behind the cooling mechanism (26). The cleaning mechanism (28) is provided behind the discharging mechanism (27).

2. The automated gold ingot recycling production system according to claim 1, characterized in that: The automatic mold cover mounting mechanism (23) includes a first gantry support (231), a mold cover loading lifting cylinder (232), a mold cover loading suction head (233), a mold cover loading transverse movement cylinder (234), a mold cover loading transverse movement slide rail (235), and a mold cover loading adapter plate (236). The first gantry support (231) is fixedly mounted on the frame (21), and the mold cover loading transverse movement cylinder (234) and the mold cover loading transverse movement slide rail (235) are fixedly mounted on the first gantry support (231). The mold cover loading transverse cylinder (234) and the mold cover loading transverse slide rail (235) are arranged in parallel. The mold cover loading transverse slide rail (235) is provided with a mold cover loading adapter plate (236). The cylinder rod of the mold cover loading transverse cylinder (234) is connected to the mold cover loading adapter plate (236). The mold cover loading lifting cylinder (232) is fixedly installed on the mold cover loading adapter plate (236). The mold cover loading suction head (233) is fixedly installed on the cylinder rod of the mold cover loading lifting cylinder (232).

3. The automated gold ingot recycling production system according to claim 1, characterized in that: The feeding mechanism (24) includes a second gantry bracket (241), a mold support platform (242), and a transverse linear motor module (243). The second gantry bracket (241) is fixedly installed on the frame (21), the mold support platform (242) is fixedly installed on the frame (21), and the mold support platform (242) is located below the second gantry bracket (241). The transverse linear motor module (243) is fixedly installed on the second gantry bracket (241).

4. The automated gold ingot recycling production system according to claim 3, characterized in that: The transverse linear motor module (243) includes a transverse linear motor (2431), a transverse push plate (2432), and a transverse connecting rod (2433). The transverse linear motor (2431) is fixedly installed on the second gantry bracket (241), the transverse connecting rod (2433) is installed on the transverse linear motor (2431), and the transverse push plate (2432) is fixedly installed at the bottom of the transverse connecting rod (2433). A propulsion linear motor module (244) is also fixedly installed on the frame (21). The propulsion linear motor module (244) includes a propulsion linear motor (2441) and a propulsion push plate (2442). The propulsion push plate (2442) is fixedly installed on the propulsion linear motor (2441).

5. The automated gold ingot recycling production system according to claim 1, characterized in that: The heating mechanism (25) includes a front melt channel (251), a heating furnace (252), a crystallization section (253), and a primary cooling section (254). The front melt channel (251) is located at the front end of the heating furnace (252), the crystallization section (253) is located at the rear end of the heating furnace (252), an observation window (2531) is fixedly installed on the side plate of the crystallization section (253), and the primary cooling section (254) is connected to the rear end of the crystallization section (253).

6. The automated gold ingot recycling production system according to claim 5, characterized in that: The heating furnace (252) includes an inner plate (2521), a surrounding plate (2522), a heating coil (2523), and a magnetic core (2524). The inner plate (2521) covers the outside of the feeding channel, the surrounding plate (2522) surrounds the outside of the inner plate (2521), the heating coil (2523) is embedded in the surrounding plate (2522), the magnetic core (2524) is surrounded on the outside of the heating coil (2523), and a protective plate is provided on the outside of the magnetic core (2524). The protective plate includes the first side plate (25251) of the heating furnace. The heating furnace has a second side plate (25252) and a top plate (25253). The heating furnace has a first side plate (25251) and a second side plate (25252) respectively located on the left and right sides of the magnetic core (2524). The heating furnace top plate (25253) is located above the magnetic core (2524). The heating furnace has a first door panel support frame (25261) installed at the front end and a second door panel support frame (25262) ​​installed at the rear end. The structure of the plate support frame (25261) and the second door plate support frame (25262) ​​of the heating furnace is the same. The second door plate support frame (25262) ​​of the heating furnace has a heating furnace door plate (25263) embedded inside. A door plate pushing cylinder mounting plate (25285) is fixedly installed on the second door plate support frame (25262). A door plate pushing cylinder (25281) is fixedly installed on the door plate pushing cylinder mounting plate (25285). A door plate pushing cylinder rod (2528) is inserted into the door plate pushing cylinder (25281). 2) A push plate push connecting plate (25284) is fixedly installed at the end of the door panel push cylinder rod (25282). A door panel connecting rod (25283) is fixedly installed on the push plate push connecting plate (25284). The door panel connecting rod (25283) is fixedly installed together with the heating furnace door panel (25263). A thermocouple (2529) is embedded in the heating furnace (252). A heat insulation plate (255) is fixedly installed on the frame (21). The heat insulation plate (255) is set on the outside of the heating furnace (252).

7. The automated gold ingot recycling production system according to claim 1, characterized in that: The heating mechanism (25) is connected to a cooling mechanism (26) at its rear end. The cooling mechanism (26) includes a cooling tank (261), a propulsion cylinder (262), and a discharge cylinder (263). The propulsion cylinder (262) is fixedly installed at the bottom of the cooling tank (261). A propulsion connecting plate (2621) is fixedly installed at the end of the cylinder rod of the propulsion cylinder (262). A first propulsion rod (2622) and a second propulsion rod (2623) are fixedly installed on the propulsion connecting plate (2621). The push rod (2623) and the cooling tank (261) have through holes at the positions corresponding to the first push rod (2622) and the second push rod (2623) respectively. The first push rod (2622) and the second push rod (2623) are inserted into the cooling tank (261) through the through holes. The discharge cylinder (263) is fixedly installed on the frame (21). The discharge slide rail (2631) is fixedly installed on the side wall of the cooling tank (261). The cylinder rod end of the discharge cylinder (263) is fixedly installed on the discharge push block (2632). The discharge push block (2632) is set on the discharge slide rail (2631).

8. The automated gold ingot recycling production system according to claim 1, characterized in that: The unloading mechanism (27) includes a third gantry support (271), an unloading transverse cylinder (272), an unloading transverse slide rail (273), a first unloading servo motor drive screw guide rail module (274), a second unloading servo motor drive screw guide rail module (275), a first unloading suction head (276), and a second unloading suction head (277). The third gantry support (271) is fixedly installed on the frame (21). The unloading transverse cylinder (272) and the unloading transverse slide rail (273) are fixedly installed on the third gantry support (271). The unloading transverse cylinder (272) and the unloading transverse slide rail (273) are arranged in parallel. The first unloading servo motor drive screw guide rail module (274) and the second unloading servo motor drive screw guide rail module (275) are arranged in parallel. The material servo motor drive screw guide module (275) is installed on the material unloading transverse slide rail (273). The first material unloading servo motor drive screw guide module (274) and the second material unloading servo motor drive screw guide module (275) are fixedly connected to the cylinder rod of the material unloading transverse cylinder (272). The first material unloading suction head (276) is fixedly installed at the bottom of the cylinder rod of the first material unloading servo motor drive screw guide module (274). The second material unloading suction head (277) is fixedly installed at the bottom of the cylinder rod of the second material unloading servo motor drive screw guide module (275). A gold ingot support frame (7) is fixedly installed on the frame (21). An anti-slip positioning plate (71) is laid on the gold ingot support frame (7).

9. The automated gold ingot recycling production system according to claim 1, characterized in that: The automatic mold cleaning mechanism (28) includes a cleaning chamber shell (2811), a cleaning chamber front baffle (2812), a cleaning chamber rear baffle (2813), a bamboo-joint air knife (2817), and an air suction pipe (2819). The cleaning chamber shell (2811) is fixedly installed on the frame (21). The cleaning chamber front baffle (2812) is installed at the front end of the cleaning chamber shell (2811). The cleaning chamber rear baffle (2813) is installed at the rear end of the cleaning chamber shell (2811). The bamboo-joint air knife (2817) is fixedly installed on the air intake split pipe (2816). The air suction pipe (2819) is fixedly installed on the cleaning chamber shell (2811).

10. The automated gold ingot recycling production system according to claim 1, characterized in that: The frame (21) is covered with a protective cover (1). A loading window (15) is provided on the protective cover (1) at the position corresponding to the loading position (22). A unloading window (16) is provided on the protective cover (1) at the position corresponding to the unloading mechanism (27). An alarm (14) is also installed on the top of the protective cover (1). An exhaust vent (17) is provided on the top of the protective cover (1). A human-machine interface (18) is provided on the protective cover (1).

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