A furnace sintering loading and unloading production line

Abstract

The present application relates to the technical field of sintering furnaces, and in particular to a furnace body sintering loading and unloading production line, comprising a base, a sintering box is arranged on the base, windows are symmetrically opened on both sides of the sintering box, a plurality of connecting brackets are arranged on both sides of the sintering box, supporting baffles are arranged in the windows through the connecting brackets, a partition plate is arranged between the two supporting baffles, the sintering box is divided into a sintering chamber and a cooling chamber by the partition plate, a plurality of equidistantly distributed trays are slidably arranged in the sintering chamber and the cooling chamber, a sinterer is arranged on the sintering box, the sinterer is used to drive the tray to move in the sintering chamber and the cooling chamber, the loader of the present invention will exchange the tray in the loading port with the tray at the bottom of the cooling chamber through the loading port, so that the tray with the product to be sintered is exchanged with the tray at the bottom of the cooling chamber, and sintering is continuously performed by alternating loading, thereby improving the sintering efficiency.

Description

Technical Field

[0001] The present application relates to the technical field of sintering furnaces, and in particular to a furnace body sintering loading and unloading production line. Background Art

[0002] Sintered enamel is a common surface coating technology, usually used in industrial equipment and other fields. For example, by coating the inner surface of a solar tank with enamel glaze and sintering it under high temperature conditions, a solid enamel protective layer is formed, which can effectively extend the service life of the solar tank and improve its performance stability and reliability. Using sintered enamel technology to treat the inner surface of the solar tank is a common and effective practice that helps optimize the quality and performance of solar products.

[0003] This technology forms a strong and durable enamel layer by coating special enamel glaze on the metal surface and sintering it under high temperature conditions. First, during the production process, the metal surface needs to be cleaned and treated to ensure that the enamel layer can be firmly adhered. Then, in the glaze coating stage, it can be coated by spraying or dipping to ensure that the enamel layer evenly covers the entire surface. The most critical step is sintering. By sending the product into a high-temperature furnace, the enamel glaze combines with the metal surface after melting to form a corrosion-resistant and wear-resistant enamel protective layer. The sintered enamel not only has excellent corrosion resistance and wear resistance, but is also easy to clean, providing a strong protective effect for metal products.

[0004] Furnace sintering is a crucial link in the production process of sintered enamel. By precisely controlling the sintering temperature and time, the quality and uniformity of the enamel layer can be ensured. This process not only gives the product excellent performance characteristics, such as corrosion resistance, wear resistance and easy cleaning, but also gives it a colorful appearance, improving the practicality of the product.

[0005] For example, the automatic loading and unloading device, desktop lifting sintering furnace, and automatic loading and unloading system with publication number CN107478055A relate to the technical field of sintering furnaces. The prior art includes a fixed seat, a lifting platform is fixed to the fixed seat, the lifting platform is rotatably fixedly connected to a tray, the tray is provided with a notch along the rotation direction, and also includes a liftable furnace bottom, a sintering bracket is placed on the furnace bottom, the sintering bracket is provided with a support leg, and the diameter of the arc-shaped notch is larger than the diameter of the support leg.

[0006] However, the above existing technologies still have some defects when loading and unloading materials for sintering:

[0007] 1. In the above-mentioned prior art, when loading and unloading materials during sintering, multiple automatic loading and unloading devices are arranged on the sintering furnace, so that after one device unloads materials, another device can load materials immediately. When manufacturing sintered enamel products, it is usually necessary to add binders, lubricants, etc., so it is necessary to pre-burn before sintering to discharge these organic substances and gases out of the product to avoid the generation of pores and residues, which affect the quality of the finished product. In the above-mentioned technology, the sintering loading and unloading process is carried out continuously, that is, from the second loading to the end, the temperature in the sintering furnace is always at a high temperature, and there is no preheating process, resulting in incomplete decomposition or volatilization of organic substances such as binders and lubricants during the sintering process, causing residual substances to leave pores or other quality problems in the final product, affecting the quality of the finished product; if you want to avoid quality problems caused by excessive temperature each time you load materials, you need to wait for the temperature of the sintering furnace to drop to the preheating temperature before loading materials, which will result in waiting for the sintering furnace to cool down each time you load materials, thereby affecting work efficiency.

[0008] 2. During sintering in the above-mentioned prior art, the temperature in the sintering furnace is always at a high temperature. Due to the rapid temperature change, a large temperature difference will occur inside and on the surface of the product, which is prone to cause stress concentration. This stress concentration may cause the product to crack or deform, affecting the quality and stability of the product. The product is easily affected by thermal shock, resulting in cracks, affecting the integrity and stability of the product.

[0009] Based on this, and according to the above-mentioned viewpoints, the existing technology still has room for improvement in the methods of sintering loading and unloading. Summary of the invention

[0010] In order to solve the above technical problems, the present application provides a furnace sintering loading and unloading production line, which adopts the following technical solutions:

[0011] A furnace sintering loading and unloading production line comprises a base, a sintering box is arranged on the base, a heater is arranged on the upper end of the sintering box, windows are symmetrically opened on both sides of the sintering box, a plurality of connecting brackets are arranged on both sides of the sintering box, a supporting baffle is arranged in the window through the connecting bracket, a partition plate is arranged between two supporting baffles, the sintering box is divided into a sintering chamber and a cooling chamber by the partition plate, a plurality of equally spaced trays are slidably arranged in the sintering chamber and the cooling chamber, a sinterer is arranged on the sintering box, and the sinterer is used to drive the tray to move in the sintering chamber and the cooling chamber;

[0012] The sintering device comprises a return-shaped slide groove formed between the edge of the supporting baffle and the window, and supporting shafts distributed in a rectangular shape are arranged on the back sides of the two supporting baffles, and the supporting shafts are rotatably connected with the supporting baffles.

[0013] Preferably, the sintering device further comprises a sprocket wheel arranged on the supporting shaft, a chain is sleeved between the sprocket wheels on the same supporting baffle, and a connecting piece for connecting and driving the tray is arranged on the chain.

[0014] Preferably, the connecting member includes a holder on the chain which corresponds one-to-one with the pallet and is connected to the chain link, the holder is provided with a sliding frame, a sliding block is slidably provided in the sliding frame, a connecting shaft is rotatably passed through the sliding block, one end of the connecting shaft passes through a return groove and is connected to the pallet for driving the pallet to move.

[0015] Preferably, the sintering box is provided with a driving member for driving the supporting shafts on both sides to rotate synchronously;

[0016] The driving member comprises a driving shaft arranged on one side of the sintering box through a bracket, and both sides of the driving shaft are respectively connected to supporting shafts adjacent to the two sides through a belt transmission.

[0017] Preferably, the tray includes a supporting frame, and both sides of the supporting frame are connected to corresponding connecting shafts;

[0018] The supporting frame is slidably arranged in the sintering chamber and the cooling chamber, and a flip groove is symmetrically provided in the supporting frame. A flip block is arranged in the flip groove to rotate through a torsion spring, and a supporting plate located in the supporting frame is movably placed on the flip block, and a plurality of connecting holes are located on the supporting plate.

[0019] Preferably, a feeder is provided at the lower end of the base;

[0020] The feeder comprises a feeding port opened on the base and located directly below the cooling cavity, and a charging port is opened on one side of the base and located outside the sintering box.

[0021] Preferably, the feeder also includes a feeding box arranged at the lower end of the base below the feeding port and the charging port, a feeding shaft is symmetrically and rotatably provided on the feeding box, pulleys are symmetrically provided at both ends of the feeding shaft, a belt is provided between the pulleys on the same side of the two feeding shafts, a feeding support plate 1 connected to the upper horizontal section of the belt is slidably provided in the feeding box, a sliding seat connected to the lower horizontal section of the belt is slidably provided in the feeding box, a feeding support plate 2 is slidably provided on the sliding seat, and the feeding support plate 1 and the feeding support plate 2 are respectively located directly below the charging port and the feeding port.

[0022] Preferably, the loading part includes a loading support plate 1 and a loading support plate 2, both of which are provided with multiple telescopic rods on the upper ends. The upper ends of the multiple telescopic rods on the loading support plate 1 and the loading support plate 2 are respectively provided with a unloading plate. A loading hole is opened on the unloading plate. A resistance plate is symmetrically and rotatably arranged in the loading hole. A top shaft located below the loading hole is slidably penetrated on the loading support plate 1 and the loading support plate 2. A connecting disk connected to the top shaft through a ratchet pawl is rotatably arranged on the loading support plate 1 and the loading support plate 2.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. The loader of the present invention will exchange the tray in the loading port with the tray at the bottom of the cooling chamber through the loading port, so that the tray with the product to be sintered is exchanged with the tray at the bottom of the cooling chamber, and sintering is continuously performed by alternating loading, thereby improving the sintering efficiency.

[0025] 2. During sintering, the present invention drives the tray to move the product from the loading area to the preheating area layer by layer through the sintering device. The product stays for a period of time each time it moves. The temperature of the product is gradually increased in the preheating area for pre-firing, so that the glaze is initially melted at a lower temperature to form a uniform glass-like coating, which can firmly adhere to the surface of the substrate and improve the quality.

[0026] 3. The tray supporting the product of the present invention moves layer by layer from the cooling zone to the upper material zone, and the temperature decreases layer by layer. The bonding between the enamel layer and the substrate is consolidated, and the internal stress caused by rapid cooling is avoided, so that the internal stress of the product is relieved, thereby reducing the risk of deformation and cracking of the material, and further improving the density and strength of the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the present invention.

[0028] Figure 2 It is a three-dimensional cross-sectional view of the present invention.

[0029] Figure 3 It is a cross-sectional view of the sintering device of the present invention.

[0030] Figure 4 The present invention Figure 3 A partial enlarged view of point A.

[0031] Figure 5 It is a schematic structural diagram of the driving member of the present invention.

[0032] Figure 6 It is a bottom view of the lower base of the present invention.

[0033] Figure 7 It is a cross-sectional view of a tray of the present invention.

[0034] Figure 8 It is a schematic diagram of the structure between the feeder and the base of the present invention.

[0035] Fig. 9 It is a structural schematic diagram of a feeder of the present invention.

[0036] Fig.10 It is a cross-sectional view of a feeder of the present invention.

[0037] Fig.11 It is a structural schematic diagram of the feeding part of the present invention.

[0038] Fig.12 It is a sectional view of the upper material of the present invention.

[0039] Fig.13 The present invention Fig.12 A partial enlarged view of point B.

[0040] Description of the accompanying drawings: 1, base; 11, supporting leg; 2, sintering box; 21, heater; 22, opening and closing door panel; 23, window; 24, connecting bracket; 3, supporting baffle; 31, partition plate; 4, sintering chamber; 5, cooling chamber; 6, tray; 61, connecting hole; 62, supporting frame; 63, turning groove; 64, turning block; 65, supporting plate; 66, card slot; 7, sintering device; 71, return slide; 72, supporting shaft; 73, sprocket; 74, chain; 75, connecting piece; 751, card seat; 752, sliding frame; 753, sliding block; 754, connecting shaft; 755 , spring; 76, driving member; 761, driving shaft; 762, stepping motor; 8, feeder; 81, feeding port; 82, loading port; 83, feeding box; 84, feeding shaft; 841, pulley; 842, belt; 85, servo motor; 86, sliding seat; 87, feeding support plate one; 88, feeding support plate two; 89, guiding inclined plate; 9, feeding member; 91, telescopic rod; 92, unloading plate; 93, top plate; 94, feeding hole; 95, resistance plate; 96, top shaft; 961, cylinder; 97, connecting plate; 971, telescopic connecting rod; 98, top contact plate; 99, top feeding plate. DETAILED DESCRIPTION

[0041] The following is combined with Figures 1 to 13 This application is described in further detail.

[0042] The embodiment of the present application discloses a furnace sintering loading and unloading production line, which improves the sintering efficiency by alternately loading materials. At the same time, the temperature is gradually increased layer by layer, and organic matter and gas such as binders and lubricants added during product molding are discharged to avoid the formation of pores and residues, thereby improving the quality; and then the temperature is gradually decreased layer by layer, the internal stress of the product will be relieved, thereby reducing the risk of material deformation and cracking, thereby improving the molding quality and stability of the product.

[0043] Embodiment 1:

[0044] Reference Figure 1 and Figure 2A furnace sintering loading and unloading production line includes a base 1, a plurality of supporting legs 11 are arranged at the bottom of the base 1, a sintering box 2 is arranged on the base 1, windows 23 are symmetrically opened on both sides of the sintering box 2, a plurality of connecting brackets 24 are arranged on both sides of the sintering box 2, a supporting baffle 3 is arranged in the window 23 through the connecting bracket 24, a partition plate 31 is arranged between the two supporting baffles 3, the sintering box 2 is divided into a sintering chamber 4 and a cooling chamber 5 by the partition plate 31, and a plurality of equally spaced trays 6 are slidably arranged in the sintering chamber 4 and the cooling chamber 5.

[0045] First, open the opening and closing door panel 22 hinged on one side of the sintering box 2 and located on one side of the cooling chamber 5, and place the products that need to be coated with glaze on a plurality of trays 6 slidingly arranged in the sintering chamber 4 and the cooling chamber 5, and the plurality of trays 6 are equidistantly distributed in the sintering chamber 4 and the cooling chamber 5, and then close the opening and closing door panel 22, and the loading of the tray 6 is completed.

[0046] Then start the sintering device 7 provided on the sintering box 2. The sintering device 7 is used to drive the tray 6 to move in the sintering chamber 4 and the cooling chamber 5. The sintering device 7 will drive the tray 6 to move from the bottom of the cooling chamber 5, through the gap between the bottom of the partition plate 31 and the base 1, one station into the bottom of the sintering chamber 4, and then move one station upward from the bottom of the sintering chamber 4. During this process, each time the tray 6 moves one station, the tray 6 that has completed loading moves one station from the bottom of the cooling chamber 5 into the bottom of the sintering chamber 4, and then the opening and closing door panel 22 is opened to load the tray 6 once.

[0047] Until it reaches the top of the sintering chamber 4, it moves one station through the gap between the top of the partition plate 31 and the top of the sintering box 2 to enter the top of the cooling chamber 5, and then moves downward from the top of the cooling chamber 5 until it returns to the initial position, opens the opening and closing door panel 22 to take out the product that has completed enameling sintering, and then replaces it with the product that needs enameling sintering, and closes the opening and closing door panel 22.

[0048] At the same time, the heater 21 arranged at the upper end of the sintering box 2 will heat the inside of the sintering box 2. Since the heater 21 is located at the top of the sintering box 2, the heating heat needs to pass through a number of connecting holes 61 opened at the bottom of the tray 6. The tray 6 will block the heat transfer, so that the temperature at the top of the sintering box 2 is higher than that at the bottom. The middle downward part of the sintering chamber 4 with a lower temperature is defined as the preheating zone, and the middle upward part of the sintering chamber 4 with a higher temperature is defined as the sintering zone; the middle upward part of the cooling chamber 5 is defined as the cooling zone, and the middle downward part of the cooling chamber 5 is defined as the loading zone.

[0049] During the sintering process, the tray 6 will carry the product from the loading area to the preheating area. The product will stay for a period of time each time it moves. The preheating area will be pre-fired to discharge the organic matter and gas such as the binder and lubricant added when the product is attached to the enamel, so that the glaze will be initially melted at a lower temperature to form a uniform glass-like coating, so that it can be firmly attached to the surface of the substrate, avoiding the formation of pores and residues, and improving the quality. After preheating, the tray 6 will carry the product to the sintering area where the temperature gradually increases. At high temperatures, the enamel glaze will completely melt and combine with the substrate to form a strong and durable enamel layer. The sintering temperature is usually high to ensure that the enamel layer has the required hardness and wear resistance.

[0050] Then it enters the cooling chamber 5, and the tray 6 continues to support the product and moves it from the cooling area to the upper material area layer by layer. The temperature also decreases layer by layer, so that the product is gradually cooled to room temperature. The bond between the enamel layer and the substrate is consolidated, and the internal stress caused by rapid cooling is avoided, further improving the density and strength of the material.

[0051] Reference Figures 3 to 5 Specifically, the sintering device 7 includes a return chute 71 formed between the edge of the support baffle 3 and the window 23. The two support baffles 3 are provided with support shafts 72 distributed in a rectangular shape on the back sides, and the support shafts 72 are rotatably connected with the support baffles 3. A sprocket 73 rotates on the support shaft 72. After the tray 6 is loaded, the driving member 76 provided on the sintering box 2 will drive the support shafts 72 on both sides to rotate synchronously. The rotating support shaft 72 will drive the remaining sprockets 73 to rotate through the chain 74 sleeved between the sprockets 73 on the same support baffle 3. The driving member 76 drives the connecting member 75 provided on the chain 74 through the driving chain 74 to drive the tray 6 to move one station in the return chute 71.

[0052] The corresponding connecting pieces 75 on both sides will drive the tray 6 to move in turn in the return chute 71, so that the tray 6 moves one station at a time in the sintering chamber 4 and the cooling chamber 5.

[0053] Among them, the connecting member 75 includes a holder 751 on the chain 74, which corresponds to the tray 6 one by one and is connected to the chain link of the chain 74. The rotation of the chain 74 will drive the holder 751 to move together, and the holder 751 will drive the sliding frame 752 set thereon, so that the sliding frame 752 drives the sliding block 753 slidingly set therein to move one work station each time. The sliding block 753 is rotatably penetrated by a connecting shaft 754 that passes through the return groove 71 and is connected to the tray 6.

[0054] The rotational connection between the sliding block 753 and the connecting shaft 754 enables the multiple connecting shafts 754 to move smoothly in the return groove 71, and drives the tray 6 to move in the cooling chamber 5 and the sintering chamber 4 in sequence for sintering and cooling.

[0055] By setting springs 755 between the two ends of the sliding block 753 and the sliding frame 752, the sliding block 753 can always be located between the sliding frame 752. The compression and release of the spring 755 make it easier for the connecting shaft 754 to move in the circular sliding groove 71.

[0056] Among them, the driving member 76 includes a driving shaft 761 arranged on one side of the sintering box 2 through a bracket, and the two sides of the driving shaft 761 are respectively connected to the support shafts 72 adjacent to the two sides through belt transmission; start the stepper motor 762 connected to the driving shaft 761 arranged on the sintering box 2 through a bracket, the stepper motor 762 will drive the driving shaft 761 to rotate, and the driving shaft 761 will drive the support shafts 72 adjacent to the two sides to rotate through belt transmission, and the rotating support shafts 72 will drive the remaining sprockets 73 to rotate through the chain 74.

[0057] Embodiment 2: Based on Embodiment 1,

[0058] Reference Figure 6 and Figure 7 A feeder 8 is provided at the lower end of the base 1 , and the feeder 8 includes a feed port 81 opened on the base 1 and located directly below the cooling chamber 5 , and a charging port 82 is opened on one side of the base 1 located outside the sintering box 2 .

[0059] First, place the product to be sintered on the tray 6 set in the loading port 82, and then start the loader 8. The loader 8 will exchange the tray 6 in the loading port 82 with the tray 6 at the bottom of the cooling chamber 5 through the loading port 81, so that the tray 6 with the product to be sintered is exchanged with the tray 6 at the bottom of the cooling chamber 5, and then load the tray 6 in the loading port 82, thus completing one sintering loading.

[0060] After the tray 6 with the glaze-coated products placed at the bottom of the cooling chamber 5 is moved to the bottom of the sintering chamber 4, the loader 8 performs sintering and loading again, and the cycle continues until the products with completed enamel sintering are moved to the bottom of the cooling chamber 5. At this time, the loader 8 will take out the products with completed enamel sintering while loading the products. At this time, the products with completed enamel sintering will be taken out from the tray 6 in the loading port 82, and the products to be sintered will be placed there, waiting for the next sintering and loading by the loader 8.

[0061] Specifically, the tray 6 includes a supporting frame 62, which is slidably arranged in the sintering chamber 4 and the cooling chamber 5. A flip groove 63 is symmetrically opened in the supporting frame 62. A flip block 64 is rotatably arranged in the flip groove 63 by a torsion spring. A supporting plate 65 located in the supporting frame 62 is movably placed on the flip block 64, and a plurality of connecting holes 61 are located on the supporting plate 65.

[0062] Both sides of the support frame 62 are connected to the corresponding connecting shafts 754, and the rotational connection between the sliding block 753 and the connecting shaft 754 can enable multiple connecting shafts 754 to move smoothly in the circular slide groove 71, and drive the support frame 62 to move in the cooling chamber 5 and the sintering chamber 4 in turn for sintering cooling.

[0063] After placing the product to be sintered on the support plate 65 in the loading port 82, start the loader 8. The loader 8 will simultaneously press upward against the flip block 64 on the support frame 62 in the loading port 82 and at the bottom of the cooling chamber 5 to compress the torsion spring. At the same time, the support plate 65 is lifted up through a slot 66 corresponding to the flip block 64 at the lower end of the support plate 65. While restricting the flip block 64, the support plate 65 is driven downward to separate from the support frame 62. The support plate 65 is restricted on the loader 8 through the slot 66. After the support plate 65 is separated from the support frame 62, the compressed torsion spring will force the flip block 64 to return to its initial state.

[0064] Then the loader 8 will exchange the position of the loading port 82 with the supporting plate 65 taken out from the bottom of the cooling chamber 5, and then the loader 8 will lift the supporting plates 65 of the loading port 82 and the loading port 81 at the same time, so that the supporting plate 65 moves upward. The supporting plate 65 of the loading port 81 will pass through the loading port 81, and at the same time, it will resist the flip block 64 with the supporting plate 65 at the loading port 82, so that the flip block 64 rotates and compresses the torsion spring and moves to the upper end of the flip block 64. At this time, the flip block 64 loses the resistance of the supporting plate 65, and the compressed torsion spring will force the flip block 64 to return to its initial position. Then the loader 8 drives the supporting plate 65 to move downward, and the flip block 64 will be stuck in the slot 66, restricting the supporting plate 65 in the supporting frame 62, thereby completing a sintering loading.

[0065] Reference Figures 8 to 10 The feeder 8 further comprises a feeding box 83 arranged at the lower end of the base 1 below the feeding port 81 and the charging port 82, a feeding shaft 84 is symmetrically and rotatably provided on the feeding box 83, pulleys 841 are symmetrically provided at both ends of the feeding shaft 84, a belt 842 is provided between the pulleys 841 on the same side of the two feeding shafts 84, a feeding support plate 87 connected to the upper horizontal section of the belt 842 is slidably provided in the feeding box 83, a sliding seat 86 connected to the lower horizontal section of the belt 842 is slidably provided in the feeding box 83, a feeding support plate 2 88 is slidably provided on the sliding seat 86, and the feeding support plate 1 87 and the feeding support plate 2 88 are respectively located directly below the charging port 82 and the feeding port 81.

[0066] After placing the product to be sintered on the support plate 65 in the loading port 82, start the loading parts 9 provided on both the loading support plate 1 87 and the loading support plate 2 88. The loading parts 9 on the loading support plate 1 87 and the loading support plate 2 88 will simultaneously lift the support plate 65 upwards, and then drive the support plate 65 downwards to separate from the support frame 62 while limiting the flip block 64. After that, the servo motor 85 connected to one of the loading shafts 84 provided on the loading box 83 through the bracket is started, and the servo motor 85 will drive the loading shaft 84 connected thereto to rotate, and the rotating loading shaft 84 will drive the pulley 841 to rotate synchronously, and the loading shaft 84 on the other side will rotate through the rotation of the belt 842 and the pulley 841.

[0067] When the belt 842 rotates, the upper horizontal section and the lower horizontal section of the belt 842 will move in opposite directions, thereby the upper horizontal section of the belt 842 will drive the loading support plate 1 87 to move in the direction of the upper material support plate 2 88; at the same time, the lower horizontal section of the belt 842 will drive the sliding seat 86 to move in the direction of the upper material support plate 1 87, and the sliding seat 86 will drive the loading support plate 2 88 to move together.

[0068] During this process, the loading support plate 2 88 will slide downward on the sliding seat 86 due to its own weight, avoiding the loading support plate 2 88 and the loading support plate 1 87 from colliding during the exchange of positions. When the sliding seat 86 drives the loading support plate 2 88 to move to just below the loading port 82 or the loading port 81, the loading support plate 2 88 will move upward on the sliding seat 86 through the inclined surfaces of the guide inclined plates 89 symmetrically arranged on both sides of the loading box 83, and move to the same height position as the loading support plate 1 87. During the movement process, due to the loss of resistance from the guide inclined plates 89, the loading support plate 2 88 moves downward on the sliding seat 86, so that the loading support plate 2 88 passes under the loading support plate 1 87 each time to avoid collision.

[0069] After the loading support plate 1 87 and the loading support plate 2 88 have completed the exchange of positions, the loading part 9 will simultaneously lift the supporting plates 65 of the loading port 82 and the loading port 81, so that the supporting plate 65 moves upward. The supporting plate 65 of the loading port 81 will pass through the loading port 81 and simultaneously resist the flip block 64 with the supporting plate 65 at the loading port 82, so that the flip block 64 rotates and compresses the torsion spring and moves to the upper end of the flip block 64. At this time, the flip block 64 loses the resistance of the supporting plate 65, and the compressed torsion spring will force the flip block 64 to return to its initial position. Then the loader 8 drives the supporting plate 65 to move downward, and the flip block 64 will be stuck in the slot 66, restricting the supporting plate 65 in the supporting frame 62, thereby completing one alternating loading.

[0070] Then, the products that have completed enamel sintering on the tray 6 in the loading port 82 are taken out, and the products that need to be sintered are placed on it, waiting for the next alternating loading.

[0071] Reference Figures 11 to 13Specifically, the loading part 9 includes a plurality of telescopic rods 91 arranged on the upper ends of the loading support plate 1 and the loading support plate 2 88, and a lowering plate 92 is respectively arranged on the upper ends of the plurality of telescopic rods 91 on the loading support plate 1 87 and the loading support plate 2 88, and a loading hole 94 is opened on the lowering plate 92, and a resistance plate 95 is symmetrically and rotatably arranged in the loading hole 94. A top shaft 96 located below the loading hole 94 is slidably penetrated on the loading support plate 1 87 and the loading support plate 2 88, and a connecting plate 97 connected to the top shaft 96 through a ratchet pawl is rotatably arranged on the loading support plate 1 87 and the loading support plate 2 88.

[0072] After the product to be sintered is placed on the support plate 65 in the loading port 82, the lower ends of the loading support plate 1 87 and the loading support plate 2 88 are ejected by the cylinder 961 connected to the top shaft 96 arranged by the bracket, and the telescopic end of the cylinder 961 will push the top shaft 96 to move upward, and the top shaft 96 will drive the top contact plate 98 symmetrically arranged thereon and located on the lower side of the contact plate 95, and the top contact plate 98 will contact the contact plate 95 so that the contact plate 95 drives the unloading plate 92 to move upward together.

[0073] The top plate 93 corresponding to the slot 66 on the blanking plate 92 will contact the flip block 64, causing the flip block 64 to rotate and compress the torsion spring, and then the top plate 93 will be inserted into the slot 66 to lift the supporting plate 65; then the telescopic end of the cylinder 961 retracts to drive the top shaft 96 to move downward, at this time the top plate 93 will limit the rotation of the flip plate, and drive the supporting plate 65 to move down and away from the supporting frame 62, and then the compressed torsion spring forces the flip block 64 to return to its initial state; in the process of the top shaft 96 moving downward, the top shaft 96 drives the ratchet to rotate through threaded cooperation, and the ratchet drives the connecting plate 97 to rotate by contacting with the pawl, and the connecting plate 97 drives the contact plate 95 to rotate 90 degrees through the telescopic connecting rod 971 set between the contact plate 95, so that the contact plate 95 and the top contact plate 98 are staggered.

[0074] At this time, the supporting plates 65 in the charging port 82 and at the bottom of the cooling chamber 5 are both located on the unloading plate 92, and are restricted by being clamped in the clamping groove 66 through the top plate 93. Then the servo motor 85 drives the loading shaft 84 connected thereto to rotate, so that the positions of the loading support plate 1 87 and the loading support plate 2 88 are exchanged; then the cylinder 961 extends out again, and because the contact plate 95 and the top contact plate 98 are staggered, when the top shaft 96 drives the top contact plate 98 to move upward, the top contact plate 98 will pass through the loading hole 94 and cannot drive the unloading plate 92. The top shaft 96 will drive the top material disposed at its upper end at the upper end of the unloading plate 92 Plate 99 lifts up the support plate 65 after the exchange of positions and moves it upward, the slots 66 of the support plates 65 on both sides are disengaged from the top plate 93, and the two sides simultaneously pass through the loading port 81 and the charging port 82 to resist the flip block 64, so that the flip block 64 rotates and compresses the torsion spring and moves to the upper end of the flip block 64, and the flip block 64 loses the resistance of the support plate 65, and the compressed torsion spring will force the flip block 64 to return to its initial position, and then the cylinder 961 retracts to drive the support plate 65 to move downward, and the flip block 64 will be stuck in the slot 66, restricting the support plate 65 in the support frame 62 until the top plate 99 returns to its initial state.

[0075] At the same time, the top shaft 96 drives the ratchet to rotate through threaded cooperation, and the ratchet drives the connecting plate 97 to rotate by contacting with the pawl. The connecting plate 97 drives the contact plate 95 to rotate 90 degrees through the telescopic connecting rod 971 set between the contact plate 95, so that the contact plate 95 overlaps with the top contact plate 98, thereby completing one alternating feeding.

[0076] The implementation principle of the present invention is:

[0077] (1): First, place the product to be sintered on the tray 6 set in the loading port 82.

[0078] (2): Restart the loader 8. The loader 8 will exchange the tray 6 in the loading port 82 with the tray 6 at the bottom of the cooling chamber 5 through the loading port 81, so that the tray 6 with the product coated with glaze is exchanged with the tray 6 at the bottom of the cooling chamber 5, thus completing one alternating loading.

[0079] (3): Then the sintering device 7 is started, and the sintering device 7 drives the tray 6 to move one station each time in the sintering chamber 4 and the cooling chamber 5, and the loader 8 performs alternating loading.

[0080] (4): During the sintering process, the tray 6 will carry the product from the loading area to the preheating area. The product will stay for a period of time each time it moves. The preheating area will be pre-fired to discharge the organic matter and gas such as the binder and lubricant added during the product molding out of the product, so that the glaze will be initially melted at a lower temperature to form a uniform glass-like coating, so that it can be firmly attached to the surface of the substrate, avoiding the formation of pores and residues, and improving the quality.

[0081] (5): After preheating, the tray 6 will carry the product to the sintering area. At high temperature, due to the diffusion of atoms, the grain boundaries will migrate and rearrange, and the contact points between particles will gradually form sintering necks. During this process, the temperature gradually increases, and the enamel glaze will completely melt and combine with the substrate to form a strong and durable enamel layer. The sintering temperature is usually high to ensure that the enamel layer has the required hardness and wear resistance.

[0082] (6): Then it enters the cooling chamber 5, and the tray 6 continues to support the product and moves it from the cooling area to the upper material area layer by layer. The temperature also decreases layer by layer, and the bond between the enamel layer and the substrate is consolidated, and the internal stress caused by rapid cooling is avoided, thereby reducing the risk of material deformation and cracking, and further improving the density and strength of the material.

[0083] (7): After cooling, the product is sintered. The sintered product is taken out by the feeder 8 in an alternating manner, and the product to be sintered is replaced in this reciprocating manner.

[0084] The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A furnace sintering loading and unloading production line, comprising a base (1), a sintering box (2) being arranged on the base (1), a heater (21) being arranged at the upper end of the sintering box (2), characterized in that: The sintering box (2) has windows (23) symmetrically formed on both sides. A plurality of connecting brackets (24) are provided on both sides of the sintering box (2). A supporting baffle (3) is provided in the window (23) via the connecting bracket (24). A partition plate (31) is provided between the two supporting baffles (3). The sintering box (2) is divided into a sintering chamber (4) and a cooling chamber (5) by the partition plate (31). A plurality of equally spaced trays (6) are slidably provided in the sintering chamber (4) and the cooling chamber (5). A sintering device (7) is provided on the sintering box (2). The sintering device (7) is used to drive the trays (6) to move in the sintering chamber (4) and the cooling chamber (5). The sintering device (7) comprises a return-shaped slide groove (71) formed between the edge of the support baffle (3) and the window (23), and support shafts (72) distributed in a rectangular shape are arranged on the opposite sides of the two support baffles (3), and the support shafts (72) are rotatably connected to the support baffles (3); The sintering device (7) further comprises a sprocket (73) arranged on the support shaft (72), a chain (74) is sleeved between the sprocket (73) on the support baffle (3), and a connecting piece (75) for connecting and driving the tray (6) is arranged on the chain (74); The connecting member (75) comprises a holder (751) on the chain (74) which corresponds to the tray (6) one by one and is connected to the chain link of the chain (74); a sliding frame (752) is provided on the holder (751); a sliding block (753) is slidably provided in the sliding frame (752); a connecting shaft (754) is rotatably passed through the sliding block (753); one end of the connecting shaft (754) passes through the return slide groove (71) and is connected to the tray (6) for driving the tray (6) to move; The tray (6) comprises a supporting frame (62), and both sides of the supporting frame (62) are connected to corresponding connecting shafts (754); The support frame (62) is slidably arranged in the sintering chamber (4) and the cooling chamber (5), and a turning groove (63) is symmetrically provided in the support frame (62). A turning block (64) is rotatably arranged in the turning groove (63) by means of a torsion spring, and a supporting plate (65) located in the support frame (62) is movably placed on the turning block (64), and a plurality of connecting holes (61) are located on the supporting plate (65); A feeder (8) is provided at the lower end of the base (1); The loader (8) comprises a loading port (81) opened on the base (1) and located directly below the cooling chamber (5), and a loading port (82) opened on one side of the base (1) located outside the sintering box (2).

2. A furnace sintering loading and unloading production line according to claim 1, characterized in that: The sintering box (2) is provided with a driving member (76) for driving the supporting shafts (72) on both sides to rotate synchronously; The driving member (76) comprises a driving shaft (761) disposed on one side of the sintering box (2) through a bracket, and two sides of the driving shaft (761) are respectively connected to supporting shafts (72) adjacent to the two sides through a belt transmission.

3. The furnace sintering loading and unloading production line according to claim 1 is characterized in that: The feeder (8) further comprises a feeding box (83) arranged at the lower end of the base (1) below the feeding port (81) and the charging port (82); a feeding shaft (84) is symmetrically and rotatably provided on the feeding box (83); pulleys (841) are symmetrically provided at both ends of the feeding shaft (84); a belt (842) is provided between the pulleys (841) on the same side of the two feeding shafts (84); a feeding support plate (87) connected to the upper horizontal section of the belt (842) is slidably provided in the feeding box (83); a sliding seat (86) connected to the lower horizontal section of the belt (842) is slidably provided in the feeding box (83); a feeding support plate (88) is slidably provided on the sliding seat (86); the feeding support plate (87) and the feeding support plate (88) are respectively located directly below the charging port (82) and the feeding port (81).

4. A furnace sintering loading and unloading production line according to claim 3, characterized in that: The feeding member (9) comprises a feeding support plate 1 (87) and a feeding support plate 2 (88), both of which are provided with a plurality of telescopic rods (91) at their upper ends; a feeding plate (92) is provided at the upper ends of the plurality of telescopic rods (91) on the feeding support plate 1 (87) and the feeding support plate 2 (88); a feeding hole (94) is provided on the feeding support plate (92); a resistance plate (95) is symmetrically and rotatably provided in the feeding hole (94); a top shaft (96) located below the feeding hole (94) is slidably penetrated on the feeding support plate 1 (87) and the feeding support plate 2 (88); a connecting plate (97) is rotatably provided on the feeding support plate 1 (87) and the feeding support plate 2 (88) and is connected to the top shaft (96) through a ratchet pawl.

Images