A melamine tableware production line

Abstract

The present invention discloses a melamine tableware production line, belonging to the technical field of melamine tableware production, including a conveying and feeding device, a placing box, a hydraulic press, a preheating machine, a feeding box feeding device and a scraping paper feeding device. The conveying and feeding device is placed on a horizontal plane, the feeding box feeding device is located beside the conveying and feeding device, the hydraulic press is located beside the feeding box feeding device, the placing box is located beside the feeding box feeding device, the preheating machine is located beside the conveying and feeding device and the feeding box feeding device, and the scraping paper feeding device is located beside the hydraulic press. The conveying and feeding device can convey and feed the feeding box. Subsequently, the feeding box is moved to the preheating machine for preheating treatment of the melamine powder raw material. Then, the feeding box feeding device moves the melamine powder raw material into the hydraulic press. The hydraulic press applies pressure to the melamine powder raw material. The scraping paper feeding device feeds the scraping paper onto the melamine powder raw material on the hydraulic press. Then, powder is sprinkled on the melamine powder raw material on the hydraulic press through a gold powder feeding device to complete the production of melamine tableware.

Description

Technical Field

[0001] The present invention relates to the technical field of melamine tableware production, and particularly to a melamine tableware production line. Background Art

[0002] Melamine tableware, the full name of melamine tableware is melamine resin: taking its meaning from its name - beautiful and durable utensils, also known as melamine, imitation porcelain, plastic porcelain, is a processed product of a chemical raw material, and also a new type of tableware popular in China. The scientific name is melamine resin, and melamine tableware is also known as imitation porcelain, melamine, plastic porcelain, scientific porcelain, etc.

[0003] However, the existing melamine tableware requires multiple processes to complete production during the production process, and the automation of melamine tableware production cannot be achieved. Summary of the Invention

[0004] An embodiment of the present invention provides a melamine tableware production line to solve the above-mentioned technical problems.

[0005] The embodiment of the present invention adopts the following technical solution: a melamine tableware production line includes a conveying and loading device, a placing box, a hydraulic press, a preheating machine, a feeding box loading device, and a scraping paper loading device. The conveying and loading device is placed on a horizontal plane. The feeding box loading device is located beside the conveying and loading device. The hydraulic press is located beside the feeding box loading device. The placing box is located beside the feeding box loading device. The preheating machine is located beside the conveying and loading device and the feeding box loading device. The scraping paper loading device is located beside the hydraulic press.

[0006] Further, the conveying and loading device includes a conveying table, a first conveyor belt, a second conveyor belt, a third conveyor belt, a cup brushing device, a flipping device, and a screw powder spreading device. The conveying table is placed on a horizontal plane. The first conveyor belt, the second conveyor belt, and the third conveyor belt are all arranged on the conveying table. The cup brushing device is arranged on the conveying table and is located between the first conveyor belt and the second conveyor belt. The flipping device is arranged on the conveying table and is located between the second conveyor belt and the third conveyor belt. The screw powder spreading device is arranged on the conveying table and is located above the third conveyor belt.

[0007] Further, the flipping device includes a mobile radio station, a flipping electric cylinder, and a clamping electric cylinder. The mobile radio station is fixedly arranged on the conveying table and is located between the second conveyor belt and the third conveyor belt. The flipping electric cylinder is fixedly arranged on the sliding table of the mobile radio station. The clamping electric cylinder is arranged on the main shaft of the flipping electric cylinder.

[0008] Further, the screw powder spreading device includes a bearing seat and a powder spreading and discharging device. The bearing seat is fixedly arranged on the conveying table and is located above the third conveyor belt. The powder spreading and discharging device is arranged on the bearing seat.

[0009] Furthermore, the feeding box loading device includes a feeding box manipulator, a bearing plate, and a gripper fixture device. The feeding box manipulator is located beside the conveying table. The bearing plate is arranged on the jaws of the feeding box manipulator, and the gripper fixture device is fixedly arranged on the bearing plate.

[0010] Furthermore, the scraping paper loading device includes a scraping paper loading manipulator, a loading rack, a scraping paper loading seat, and a scraping paper loading device. The scraping paper loading manipulator is located beside the hydraulic press. The loading rack is fixedly arranged on the jaws of the scraping paper loading manipulator. The scraping paper loading seat is placed beside the scraping paper loading manipulator, and the scraping paper loading device is arranged on the loading rack.

[0011] Furthermore, a gold powder loading device is also arranged on the loading rack, and the gold powder loading device has the same structure as the powder discharging device for powder spreading.

[0012] The above at least one technical solution adopted in the embodiments of the present invention can achieve the following beneficial effects:

[0013] Firstly, when the feeding box is placed on the conveying and loading device, the feeding box can be conveyed and loaded through the conveying and loading device. Subsequently, the feeding box is moved to the preheating machine through the feeding box loading device. The feeding box containing the melamine powder raw material powder is preheated by the preheating machine, so that the melamine powder raw material powder in the feeding box is in a cylindrical shape. Then, the cylindrical melamine powder raw material powder is moved into the hydraulic press through the feeding box loading device. The melamine powder raw material is subjected to a hydraulic operation by the hydraulic press. Subsequently, the scraping paper is loaded onto the melamine powder raw material on the hydraulic press by the scraping paper loading device. The melamine powder raw material and the scraping paper are subjected to a hydraulic operation by the hydraulic press. Then, the gold powder is spread on the melamine powder raw material on the hydraulic press by the gold powder loading device. The melamine powder raw material with gold powder spread on it is subjected to hydraulic pressure again by the hydraulic press, completing the production work of the melamine tableware.

[0014] Secondly, when the feeding box is placed upside down on the first conveyor belt and conveyed to the cup brushing device by the first conveyor belt, the melamine powder raw material adhering to the inside of the feeding box after being preheated by the preheating machine can be cleaned by the cup brushing device, which is convenient for the recycling of the feeding box. Subsequently, the feeding box is moved to the second conveyor belt by the cup brushing device. The feeding box upside down on the second conveyor belt is flipped through the cooperation of the flipping device, and the feeding box is placed face up on the third conveyor belt. Then, the melamine powder raw material loading operation is carried out on the cleaned feeding box by the screw powder spreading device, completing the cleaning and loading work of the feeding box.

[0015] Thirdly, after the cup brushing device clears the melamine powder raw material powder stuck in the feeding box, the feeding is transferred to the side of the flipping device through the second conveyor belt. Subsequently, the clamping cylinder clamps the feeding box, and the flipping cylinder flips the feeding box that is buckled, making the opening of the feeding box face upward. Cooperating with the mobile radio station, the feeding box is placed on the third conveyor belt, facilitating the screw powder spreading device to perform the feeding operation of the melamine powder raw material powder on the cleared feeding box.

[0016] Fourthly, when the feeding box containing the melamine powder raw material powder is transferred to the third conveyor belt, the gripper fixture device clamps the feeding box containing the melamine powder raw material powder. Subsequently, the feeding box manipulator transfers the feeding box containing the melamine powder raw material powder above the hydraulic press. Then, the melamine powder raw material is poured from the feeding box into the hydraulic press, and through cooperation with the hydraulic press, the melamine powder raw material powder is pressed, completing the work.

[0017] Fifthly, after the hydraulic press presses the melamine powder raw material powder, the scraping paper feeding device sucks the scraping paper. Subsequently, the scraping paper feeding manipulator transfers the scraping paper onto the melamine powder raw material powder on the hydraulic press, and the hydraulic press performs the hydraulic operation on the melamine powder raw material powder and the scraping paper, completing the work.

[0018] Sixthly, after the hydraulic press performs the hydraulic operation on the melamine powder raw material powder and the scraping paper, finally, the gold powder feeding device performs the gold powder spreading operation on the pressed melamine powder raw material powder, and the hydraulic press presses the melamine powder raw material with the gold powder spread, completing the production of melamine tableware. Description of the Drawings

[0019] The drawings described herein are used to provide a further understanding of the present invention, form a part of the present invention, and the schematic embodiments of the present invention and their descriptions are used to explain the present invention, and do not constitute an improper limitation to the present invention. In the drawings:

[0020] Figure 1 is a three-dimensional structure schematic diagram of the melamine tableware production line Figure 1 ;

[0021] Figure 2 is a three-dimensional structure schematic diagram of the melamine tableware production line Figure 2 ;

[0022] Figure 3 is a partial three-dimensional structure schematic diagram of the conveying and feeding equipment Figure 1 ;

[0023] Figure 4 is a partial three-dimensional structure schematic diagram of the conveying and feeding equipment Figure 2 ;

[0024] Figure 5 is a three-dimensional structure schematic diagram of the cup brushing device;

[0025] Figure 6 Schematic diagram of the three-dimensional structure of the flipping device;

[0026] Figure 7 Schematic diagram of the three-dimensional structure of the powder spraying and discharging device;

[0027] Figure 8 Partial three-dimensional structure sectional view of the powder spraying and discharging device;

[0028] Figure 9 Schematic diagram of the three-dimensional structure of the feeding box loading equipment;

[0029] Figure 10 Schematic diagram of the three-dimensional structure of the gripper fixture device;

[0030] Figure 11 Schematic diagram of the three-dimensional structure of the paper scraping loading device;

[0031] Figure 12 Schematic diagram of the three-dimensional structure of the paper scraping positioning component;

[0032] Figure 13 Schematic diagram of the three-dimensional structure of the paper scraping loading component.

[0033] Reference numerals

[0034] Conveyor loading equipment 1, conveyor table 11, first conveyor belt 12, second conveyor belt 13, third conveyor belt 14, brush cup device 2, brush cup assembly 21, electric slide table 211, drive motor 212, brush 213, moving clamping assembly 22, support table 221, moving belt 222, rotating handle 223, threaded rod 224, threaded block 225, guide rod 226, flipping device 3, moving radio station 31, flipping cylinder 32, clamping cylinder 33, screw powder spraying equipment 4, bearing seat 41, powder spraying and discharging device 42, powder spraying and discharging part 43, bearing table 431, discharge box 432, top plate 433, spiral discharge part 44, discharge motor 441, discharge rod 442, sleeve 443, discharge auger 444, driving worm 445, pressing part 45, turbine 451, bearing rod 452, lower pressing plate 453, driving gear 454, driving rack 455, placement box 8, hydraulic press 9, preheating machine 10, feeding box loading equipment 5, feeding box manipulator 51, bearing plate 52, gripper fixture device 53, gripper fixture assembly 54, rotating cylinder 541, bearing frame 542, clamping cylinder 543, cover plate assembly 55, rotating cylinder 551, cover plate 552, paper scraping loading equipment 6, paper scraping loading manipulator 61, loading rack 62, paper scraping loading seat 63, paper scraping loading device 64, paper scraping positioning component 65, placement plate 651, positioning column 652, air outlet plate 653, suction cup 654, storage box 655, paper scraping loading component 66, suction cup rack 661, paper suction cup 662, gold powder loading device 7, feeding box 15. Detailed implementation manners

[0035] To make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with specific embodiments of the present invention and the corresponding drawings. Obviously, the described embodiments are only a part rather than all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention.

[0036] The technical solutions provided by the embodiments of the present invention will be described in detail below in conjunction with the drawings.

[0037] Refer to Figure 1 - Figure 13 As shown, an example embodiment of the present invention provides a melamine tableware production line, including a conveying and loading device 1, a placement box 8, a hydraulic press 9, a preheating machine 10, a feeding box loading device 5, and a scraping paper loading device 6. The conveying and loading device 1 is placed on a horizontal plane. The feeding box loading device 5 is located beside the conveying and loading device 1. The hydraulic press 9 is located beside the feeding box loading device 5. The placement box 8 is located beside the feeding box loading device 5. The preheating machine 10 is located beside the conveying and loading device 1 and the feeding box loading device 5. The scraping paper loading device 6 is located beside the hydraulic press 9. When the feeding box 15 is placed on the conveying and loading device 1, the feeding box 15 can be conveyed and loaded through the conveying and loading device 1. Subsequently, the feeding box 15 is moved to the preheating machine 10 through the feeding box loading device 5. The feeding box 15 containing the melamine powder raw material powder is preheated by the preheating machine 10 to make the melamine powder raw material powder in the feeding box 15 cylindrical. Subsequently, the cylindrical melamine powder raw material powder is moved into the hydraulic press 9 through the feeding box loading device 5. The melamine powder raw material is subjected to a hydraulic operation by the hydraulic press 9. Subsequently, the scraping paper loading device 6 loads the scraping paper onto the melamine powder raw material on the hydraulic press 9. The melamine powder raw material and the scraping paper are subjected to a hydraulic operation by the hydraulic press 9. Then, the gold powder is sprinkled on the melamine powder raw material on the hydraulic press 9 through the gold powder loading device 7. The melamine powder raw material with the gold powder sprinkled thereon is hydraulically pressed again by the hydraulic press 9 to complete the production of the melamine tableware.

[0038] Preferably, the conveying and feeding device 1 includes a conveying table 11, a first conveyor belt 12, a second conveyor belt 13, a third conveyor belt 14, a cup brushing device 2, a flipping device 3 and a screw powder spreading device 4. The conveying table 11 is placed on a horizontal plane. The first conveyor belt 12, the second conveyor belt 13 and the third conveyor belt 14 are all arranged on the conveying table 11. The cup brushing device 2 is arranged on the conveying table 11 and is located between the first conveyor belt 12 and the second conveyor belt 13. The flipping device 3 is arranged on the conveying table 11 and is located between the second conveyor belt 13 and the third conveyor belt 14. The screw powder spreading device 4 is arranged on the conveying table 11 and is located above the third conveyor belt 14. When the feeding box 15 is placed upside down on the first conveyor belt 12, the feeding box 15 is conveyed to the cup brushing device 2 through the first conveyor belt 12. The cup brushing device 2 can clean the melamine powder raw material adhering in the feeding box 15 after being preheated by the preheating machine 10, facilitating the recycling of the feeding box 15. Subsequently, the cup brushing device 2 moves the feeding box 15 to the second conveyor belt 13, and the flipping device 3 cooperates to flip the feeding box 15 upside down on the second conveyor belt 13, placing the feeding box 15 face up on the third conveyor belt 14. Then, the screw powder spreading device 4 performs the melamine powder raw material feeding operation on the cleaned feeding box 15, completing the cleaning and feeding work of the feeding box 15.

[0039] Preferably, the flipping device 3 includes a mobile station 31, a flipping electric cylinder 32 and a clamping electric cylinder 33. The mobile station 31 is fixedly arranged on the conveying table 11 and is located between the second conveyor belt 13 and the third conveyor belt 14. The flipping electric cylinder 32 is fixedly arranged on the sliding table of the mobile station 31. The clamping electric cylinder 33 is arranged on the main shaft of the flipping electric cylinder 32. After the cup brushing device 2 cleans the melamine powder raw material powder adhered in the feeding box 15, the feeding box 15 is moved to the side of the flipping device 3 through the second conveyor belt 13. Subsequently, the clamping electric cylinder 33 clamps the feeding box 15, and the flipping electric cylinder 32 flips the upside-down feeding box 15 to make the opening of the feeding box 15 face up, and the mobile station 31 cooperates to place the feeding box 15 on the third conveyor belt 14, facilitating the screw powder spreading device 4 to perform the melamine powder raw material powder feeding operation on the cleaned feeding box 15.

[0040] Preferably, the screw powder spreading device 4 includes a bearing seat 41 and a powder spreading and discharging device 42. The bearing seat 41 is fixedly arranged on the conveying table 11 and is located above the third conveyor belt 14. The powder spreading and discharging device 42 is arranged on the bearing seat 41. The screw powder spreading device 4 can perform the melamine powder raw material feeding operation on the cleaned feeding box 15 with melamine powder raw material powder.

[0041] Preferably, the feeding box loading device 5 includes a feeding box manipulator 51, a bearing plate 52, and a gripper fixture device 53. The feeding box manipulator 51 is located beside the conveying table 11. The bearing plate 52 is arranged on the jaws of the feeding box manipulator 51. The gripper fixture device 53 is fixedly arranged on the bearing plate 52. When the feeding box 15 filled with melamine powder raw material powder is moved onto the third conveyor belt 14, the feeding box 15 filled with melamine powder raw material powder is clamped by the gripper fixture device 53. Subsequently, the feeding box 15 filled with melamine powder raw material powder is moved above the hydraulic press 9 by the feeding box manipulator 51. Then, the melamine powder raw material is poured from the feeding box 15 into the hydraulic press 9, and the melamine powder raw material powder is pressed by cooperating with the hydraulic press 9 to complete the work.

[0042] Preferably, the scraping paper loading device 6 includes a scraping paper loading manipulator 61, a loading rack 62, a scraping paper loading seat 63, and a scraping paper loading device 64. The scraping paper loading manipulator 61 is located beside the hydraulic press 9. The loading rack 62 is fixedly arranged on the jaws of the scraping paper loading manipulator 61. The scraping paper loading seat 63 is placed beside the scraping paper loading manipulator 61. The scraping paper loading device 64 is arranged on the loading rack 62. After the hydraulic press 9 presses the melamine powder raw material powder, the scraping paper is sucked by the scraping paper loading device 64. Subsequently, the scraping paper is moved onto the melamine powder raw material powder on the hydraulic press 9 by the scraping paper loading manipulator 61, and the hydraulic operation is performed on the melamine powder raw material powder and the scraping paper by the hydraulic press 9 to complete the work.

[0043] Preferably, a gold powder loading device 7 is further arranged on the loading rack 62, and the gold powder loading device 7 has the same structure as the powder spreading and discharging device 42. After the hydraulic press 9 performs the hydraulic operation on the melamine powder raw material powder and the scraping paper, finally, the gold powder loading device 7 performs the gold powder spreading operation on the pressed melamine powder raw material powder, and the hydraulic press 9 presses the melamine powder raw material with the gold powder spread on it to complete the production of melamine tableware.

[0044] Preferably, the cup brushing device 2 includes a cup brushing assembly 21 and a moving clamping assembly 22. The cup brushing assembly 21 is arranged on the conveying table 11 and is located between the first conveyor belt 12 and the second conveyor belt 13. The moving clamping assembly 22 is arranged on the top of the conveying table 11 and is located above the cup brushing assembly 21. The feeding box 15 can be clamped and moved above the cup brushing assembly 21 by the moving clamping assembly 22. Subsequently, the melamine tableware colloidal material adhered to the inner wall of the feeding box 15 can be removed by the cup brushing assembly 21, which is convenient for subsequent reloading operation of the feeding box 15. The subsequent production of melamine tableware will not be affected by the residual melamine powder raw material colloidal material on the inner wall of the feeding box 15, and the feeding box 15 can be reused in a cycle.

[0045] Preferably, the cup brushing assembly 21 includes an electric slide 211, a drive motor 212, and a brush 213. The electric slide 211 is fixedly arranged on the conveying table 11. The drive motor 212 is fixedly arranged on the slide of the electric slide 211. The brush 213 is arranged on the main shaft of the drive motor 212 and is located between the first conveyor belt 12 and the second conveyor belt 13. The electric slide 211 drives the brush 213 to move into the feeding box 15. The drive motor 212 drives the rotating brush 213 to rotate, so as to remove the melamine resin glue-like material adhered to the inner wall of the feeding box 15, which is convenient for subsequent reloading operation of the feeding box 15. The subsequent production of melamine tableware will not be affected by the melamine powder raw material glue-like material remaining on the inner wall of the feeding box 15, and the feeding box 15 can be reused repeatedly.

[0046] Preferably, there are two sets of the moving clamping assemblies 22, and the two sets of moving clamping assemblies 22 are symmetrically and fixedly arranged on the top of the conveying table 11. The brush 213 is located between the two sets of moving clamping assemblies 22.

[0047] Preferably, each of the two sets of moving clamping assemblies 22 includes a support table 221, a moving belt 222, a rotating grip 223, a threaded rod 224, a threaded block 225, and a guide rod 226. The support table 221 is fixedly arranged on the top of the conveying table 11. The rotating grip 223 is arranged on the support table 221 and is rotatably matched with the support table 221. The threaded rod 224 is arranged on the rotating grip 223 and is in transmission cooperation with the rotating grip 223. The threaded block 225 is arranged on the threaded rod 224 and is in threaded cooperation with the threaded rod 224. The moving belt 222 is arranged on the threaded block 225 and is located above the brush 213. The guide rods 226 on the two moving clamping assemblies 22 are symmetrically and fixedly arranged on the two support tables 221 and are in sliding cooperation with the two threaded blocks 225. When the feeding box 15 is placed upside down on the first conveyor belt 12 and then the first conveyor belt 12 moves the feeding box 15 between the moving belts 222 on the two sets of moving clamping assemblies 22, the operator can operate the rotating grip 223. The rotating grip 223 drives the threaded rod 224 to rotate. The threaded rod 224 rotates to drive the threaded block 225 to move on the two guide rods 226. The threaded block 225 moves to drive the moving belt 222 to move. The feeding box 15 can be clamped and moved by the moving belts 222 on the two sets of moving clamping assemblies 22.

[0048] Preferably, the two threaded rods 224 on the two moving clamping assemblies 22 are connected by a universal joint. The universal joint between the threaded rods 224 on the two sets of moving clamping assemblies 22 enables the operator to only rotate the rotating grip 223 on one of the moving clamping assemblies 22 to drive the two threaded rods 224 to rotate simultaneously. The two threaded rods 224 rotate simultaneously to drive the two moving belts 222 to be centered and clamped simultaneously, and the feeding box 15 is clamped and moved.

[0049] Preferably, the powder sprinkling and discharging device 42 includes two groups of powder sprinkling and discharging members 43. Both groups of the powder sprinkling and discharging members 43 are arranged on the carrier seat 41. Both groups of the powder sprinkling and discharging members 43 include a carrier table 431, a discharging box 432, a spiral discharging member 44 and a pressing member 45. The carrier table 431 is arranged on the carrier seat 41. The discharging box 432 is fixedly arranged on the carrier table 431. The spiral discharging member 44 is arranged in the discharging box 432 and is rotationally matched with the discharging box 432. The pressing member 45 is arranged on the discharging box 432 and is in transmission cooperation with the spiral discharging member 44. A top plate 433 is further arranged on the top of the discharging box 432, and a material placing opening is arranged on the top plate 433. The two groups of powder sprinkling and discharging members 43 can perform the feeding operation of melamine powder of different colors. The spiral discharging member 44 cooperates with the pressing member 45 to discharge the melamine powder raw material powder in the discharging box 432, and can effectively prevent the phenomenon of material jamming of the melamine powder raw material in the discharging box 432.

[0050] Preferably, the spiral discharging member 44 includes a discharging motor 441, a discharging rod 442, a sleeve 443 and a discharging auger 444. The discharging motor 441 is arranged on the carrier table 431. The sleeve 443 is fixedly arranged on the outer side wall of the discharging box 432. The discharging rod 442 is arranged in the sleeve 443 and is rotationally matched with the discharging box 432. The discharging auger 444 is rotatably arranged in the discharging box 432 and is fixedly connected with the discharging rod 442. The discharging rod 442 is in transmission cooperation with the main shaft of the discharging motor 441. When the feeding box 15 is moved to the side of the discharging box 432, the discharging motor 441 drives the discharging rod 442 to rotate, and the discharging rod 442 drives the discharging auger 444 to rotate, so as to discharge the melamine powder raw material powder in the discharging box 432 and perform the feeding operation on the feeding box 15.

[0051] Preferably, an accommodating groove is arranged in the sleeve 443, and a transmission worm 445 is sleeved on the discharging rod 442. The transmission worm 445 is rotationally matched with the accommodating groove.

[0052] Preferably, the pressing member 45 includes a turbine 451, a bearing rod 452, a lower pressing plate 453, two transmission gears 454 and two transmission racks 455. The bearing rod 452 is rotatably arranged on the outer side wall of the discharge box 432. The turbine 451 is fixedly arranged on the bearing rod 452 and is in transmission cooperation with the transmission worm 445. The two transmission gears 454 are symmetrically and fixedly arranged on the bearing rod 452. The two transmission racks 455 are symmetrically and slidably arranged on the outer side wall of the discharge box 432. The two transmission racks 455 are respectively engaged with the two transmission gears 454. The lower pressing plate 453 is arranged on the tops of the two transmission racks 455 and is connected to the top plate 433 of the discharge box 432. When the discharge rod 442 rotates, the discharge rod 442 drives the transmission worm 445 to rotate in the sleeve 443. The rotation of the transmission worm 445 drives the turbine 451 to rotate. The turbine 451 drives the bearing rod 452 to make the two transmission gears 454 rotate. The rotation of the two transmission gears 454 drives the two transmission racks 455 to move on the discharge box 432. The movement of the two transmission racks 455 drives the top plate 433 to move downward in the discharge box 432. The downward movement of the top plate 433 in the discharge box 432 drives the melamine powder raw material powder adhering to the inner wall of the discharge box 432 to fall to the bottom of the discharge box 432, which can be used for the discharge operation of the discharge auger 444.

[0053] Preferably, the top plate 433 of the discharge box 432 is in sliding fit with the inner wall of the discharge box 432. By pressing the melamine powder raw material powder in the discharge box 432 downward through the top plate 433 in the discharge box 432, the phenomenon that the powder is stuck in the discharge box 432 can be prevented, which affects the normal discharge operation of the discharge box 432.

[0054] Preferably, the gripper fixture device 53 includes two groups of gripper fixture assemblies 54 and two groups of cover plate assemblies 55. The two groups of gripper fixture assemblies 54 have the same structure and are symmetrically arranged on the bearing plate 52. The two groups of cover plate assemblies 55 are respectively arranged on the two groups of gripper fixture assemblies 54. The two groups of gripper fixture assemblies 54 can be used to clamp and move the feeding box 15 filled with melamine powder raw material. In order to prevent the melamine powder raw material from being unable to be accurately fed into the hydraulic press 9, the openings of the feeding box 15 can be blocked by cooperating with the two groups of cover plate assemblies 55, so that the melamine powder raw material can be accurately fed.

[0055] Preferably, each of the two sets of gripper fixture assemblies 54 includes a rotary cylinder 541, a carrier 542, and a clamping electric cylinder 543. The rotary cylinder 541 is fixedly arranged on the carrier plate 52. The carrier 542 is arranged on the rotating end of the rotary cylinder 541. The clamping electric cylinder 543 is fixedly arranged on the carrier 542. A feeding box 15 is arranged inside the clamping end of the clamping electric cylinder 543. When the feeding box 15 is filled with the required powder materials, the two sets of gripper fixture assemblies 54 can be moved to the side of the third conveyor belt 14 by the feeding box manipulator 51. The two feeding boxes 15 filled with melamine powder raw material powder on the third conveyor belt 14 are clamped by the clamping electric cylinders 543 on the two sets of gripper fixture assemblies 54. Subsequently, the two feeding boxes 15 are placed on the preheating machine 10 by the feeding box manipulator 51. The melamine powder raw material powder in the two feeding boxes 15 is preheated first by the preheating machine 10, so that the melamine powder raw material powder in the feeding box 15 becomes a cylindrical solid. After the powder in the two feeding boxes 15 becomes cylindrical solids, the two feeding boxes 15 are clamped and moved into the hydraulic press 9 by the feeding box manipulator 51 in cooperation with the two clamping electric cylinders 543. At this time, the carrier 542 is driven to turn over by the rotary cylinder 541, so that the feeding box 15 clamped by the clamping electric cylinder 543 turns over, and the feeding box 15 can place the cylindrical solid melamine powder raw material in the hydraulic press 9 to complete the work.

[0056] Preferably, each of the two sets of cover assemblies 55 includes a rotary electric cylinder 551 and a cover 552. The rotary electric cylinder 551 is fixedly arranged on the carrier 542. The cover 552 is arranged on the rotating end of the rotary electric cylinder 551. When the rotary cylinder 541 drives the carrier 542 to turn over, in order to prevent the cylindrical solids in the two feeding boxes 15 from not accurately falling on the hydraulic position in the hydraulic press 9, the rotary electric cylinder 551 can be used to drive the cover 552 to block the opening part of the feeding box 15 first. After reaching the accurate position, the cover 552 is moved by the rotary electric cylinder 551 to make the cylindrical solids in the feeding box 15 fall into the hydraulic press 9, and the cylindrical solids are hydraulically pressed by the hydraulic press 9 to complete the preliminary processing operation.

[0057] Preferably, the size of the cover 552 can completely block the opening of the feeding box 15.

[0058] Preferably, the paper scraping feeding device 64 includes a paper scraping positioning assembly 65 and a paper scraping feeding assembly 66. The paper scraping positioning assembly 65 is fixedly arranged on the paper scraping feeding base 63. The paper scraping feeding assembly 66 is arranged on the feeding frame 62. The paper scraping feeding assembly 66 is located beside the paper scraping positioning assembly 65. When feeding the paper scraping, the paper scraping is sucked by the paper scraping feeding assembly 66, and the paper scraping can be accurately fed in cooperation with the paper scraping positioning assembly 65 to prevent multiple paper scrapings from being stacked together, which affects the production work of melamine tableware.

[0059] Preferably, the scraping paper positioning assembly 65 includes a placement plate 651, a plurality of positioning columns 652 and a plurality of air outlet plates 653. The placement plate 651 is fixedly arranged on the scraping paper loading seat 63. A plurality of the positioning columns 652 are fixedly arranged on the placement plate 651 in pairs symmetrically. A plurality of the positioning columns 652 are attached to the side edges of the stacked scraping paper. A plurality of the air outlet plates 653 are respectively arranged on the placement plate 651 in pairs symmetrically and are respectively located at the four side edges of the scraping paper. In order to prevent the scraping paper from sticking together, the stacked scraping paper can be blown by a plurality of the air outlet plates 653, so as to effectively prevent the stacked scraping paper from adhering together and affecting the sucking operation of the paper sucking disc 662 on the scraping paper.

[0060] Preferably, two suction discs 654 are further arranged on the placement plate 651. The two suction discs 654 are symmetrically and fixedly arranged on the placement plate 651, and the suction ports of the two suction discs 654 are arranged upward. The scraping paper sucked by the scraping paper loading manipulator 61 is moved above the two suction discs 654. The suction force of the two suction discs 654 is small, and the suction force of the four paper sucking discs 662 is large. At this time, the scraping paper adsorbed on the paper sucking disc 662 can be sucked by the two suction discs 654 again, so as to prevent two or several scraping papers from being stored on the paper sucking disc 662 and affecting the scraping paper loading operation on the melamine dish.

[0061] Preferably, a storage box 655 is further arranged below the two suction discs 654. The storage box 655 is fixedly arranged on the scraping paper loading seat 63. If the scraping paper is sucked by the suction disc 654, the sucked scraping paper will fall into the storage box 655 below, and the fallen scraping paper can be collected through the storage box 655.

[0062] Preferably, the scraping paper loading assembly 66 includes two sucker frames 661. The two sucker frames 661 are fixedly arranged on one side of the loading frame 62. Four paper sucking discs 662 are arranged on each of the two sucker frames 661. The four paper sucking discs 662 are arranged in a rectangle, and the four paper sucking discs 662 are all arranged downward. It is moved above the stacked scraping paper on the placement plate 651 by the scraping paper loading manipulator 61, and then the top scraping paper is sucked by the four paper sucking discs 662 on the two sucker frames 661 to complete the scraping paper loading operation.

[0063] Working principle: When the feeding box 15 is placed upside down on the first conveyor belt 12, and then the feeding box 15 is moved to between the moving belts 222 of the two sets of moving clamping assemblies 22 through the first conveyor belt 12, the operator can operate the rotating handle 223. The rotation of the rotating handle 223 drives the threaded rod 224 to rotate. The rotation of the threaded rod 224 drives the threaded block 225 to move on the two guide rods 226. The movement of the threaded block 225 drives the movement of the moving belt 222. The feeding box 15 is clamped and moved by the moving belts 222 of the two sets of moving clamping assemblies 22. The two sets of moving clamping assemblies 22 clamp and move the feeding box 15 above the brush 213. Then, the electric slide 211 drives the brush 213 to move into the feeding box 15. The driving motor 212 drives the rotating brush 213 to rotate, and the melamine resin glue-like material adhered to the inner wall of the feeding box 15 can be removed, which is convenient for subsequent reloading operations of the feeding box 15. The subsequent production of melamine resin will not be affected by the melamine powder raw material glue-like material remaining on the inner wall of the feeding box 15. The feeding box 15 can be reused in a cycle. Through the universal joint between the threaded rods 224 of the two sets of moving clamping assemblies 22, the operator can only rotate the rotating handle 223 on one of the moving clamping assemblies 22 to drive the two threaded rods 224 to rotate simultaneously. The simultaneous rotation of the two threaded rods 224 can drive the two moving belts 222 to be centered and clamped simultaneously, and the feeding box 15 is clamped and moved;

[0064] After the cup brushing device 2 clears the melamine powder raw material powder stuck in the feeding box 15, the feeding box 15 is moved to the side of the flipping device 3 through the second conveyor belt 13. Subsequently, the clamping cylinder 33 clamps the feeding box 15, and the flipping cylinder 32 flips the inverted feeding box 15 so that the opening of the feeding box 15 faces upward. Then, in cooperation with the mobile radio station 31, the feeding box 15 is placed on the third conveyor belt 14, facilitating the feeding operation of the melamine powder raw material powder on the cleaned feeding box 15 by the powder spreading and discharging device 42. When the feeding box 15 is moved to the side of the discharging box 432, the discharging motor 441 drives the discharging rod 442 to rotate, and the discharging rod 442 drives the discharging auger 444 to rotate, enabling the melamine powder raw material powder in the discharging box 432 to be discharged for the feeding operation of the feeding box 15. Different colors of melamine powder can be discharged through two groups of powder spreading and discharging parts 43. When the discharging rod 442 rotates, the discharging rod 442 drives the transmission worm 445 to rotate in the sleeve 443. The rotation of the transmission worm 445 drives the turbine 451 to rotate, and the turbine 451 drives the bearing rod 452 to rotate the two transmission gears 454. The rotation of the two transmission gears 454 drives the two transmission racks 455 to move on the discharging box 432. The movement of the two transmission racks 455 drives the top plate 433 to move downward in the discharging box 432. The downward movement of the top plate 433 in the discharging box 432 drives the melamine powder raw material powder adhering to the inner wall of the discharging box 432 to fall to the bottom of the discharging box 432, which can be used for the discharging operation of the discharging auger 444. Moreover, by the top plate 433 pressing the melamine powder raw material powder in the discharging box 432 downward, it can prevent the powder from getting stuck in the discharging box 432 and affecting the normal discharging operation of the discharging box 432;

[0065] When the feeding box 15 is filled with the required powder materials, the two groups of gripper fixture assemblies 54 can be moved to the side of the third conveyor belt 14 by the feeding box manipulator 51. The two feeding boxes 15 filled with melamine powder raw materials on the third conveyor belt 14 are clamped by the clamping electric cylinders 543 on the two groups of gripper fixture assemblies 54. Subsequently, the two feeding boxes 15 are placed on the preheating machine 10 by the feeding box manipulator 51. The melamine powder raw materials in the two feeding boxes 15 are preheated first by the preheating machine 10 to make the melamine powder raw materials in the feeding box 15 become cylindrical solids. After the powder in the two feeding boxes 15 becomes cylindrical solids, the two feeding boxes 15 are clamped and moved into the hydraulic press 9 by the feeding box manipulator 51 in cooperation with the two clamping electric cylinders 543. At this time, the rotary cylinder 541 drives the carrier 542 to turn over, so that the feeding box 15 clamped by the clamping electric cylinder 543 turns over. When the rotary cylinder 541 drives the carrier 542 to turn over, in order to prevent the cylindrical solids in the two feeding boxes 15 from not accurately falling on the hydraulic position in the hydraulic press 9, the rotary electric cylinder 551 can drive the cover plate 552 to block the opening part of the feeding box 15 first. After reaching the accurate position, the rotary electric cylinder 551 moves the cover plate 552 to make the cylindrical solids in the feeding box 15 fall into the hydraulic press 9. The cylindrical solids are hydraulically pressed by the hydraulic press 9 to complete the preliminary processing operation. Subsequently, the feeding box manipulator 51 moves the feeding box 15 clamped by the clamping electric cylinders 543 on the two groups of gripper fixture assemblies 54 to the first conveyor belt 12. The first conveyor belt 12 then conveys the feeding box 15 to the cup brushing device 2, and the feeding box 15 can be reused. When it is necessary to load the melamine powder raw materials for the second time, the feeding box 15 filled with powder of other colors can be clamped from the preheating machine 10 by the feeding box manipulator 51 and poured onto the melamine powder raw materials that have been hydraulically pressed by the hydraulic press 9 before. The melamine powder raw materials are hydraulically pressed again by the hydraulic press 9 to complete the work;

[0066] After the hydraulic press 9 hydraulically presses the melamine powder raw material, it is moved above the scraping paper stacked on the placing plate 651 by the scraping paper loading manipulator 61. Subsequently, the four paper suction discs 662 on the two suction disc racks 661 suck the scraping paper at the top. In order to prevent the scraping paper from sticking together, several air outlet plates 653 can blow air on the stacked scraping paper to effectively prevent the stacked scraping paper from adhering together and affecting the paper suction operation of the paper suction discs 662. After the four paper suction discs 662 suck the scraping paper, the scraping paper loading manipulator 61 moves the sucked scraping paper above the two adsorption discs 654. The suction force of the two adsorption discs 654 is smaller, and the suction force of the four paper suction discs 662 is larger. At this time, the two adsorption discs 654 can suck the scraping paper adsorbed on the paper suction discs 662 again to prevent two or several scraping papers on the paper suction discs 662 from affecting the scraping paper loading operation of the melamine tableware. If a scraping paper is sucked by the adsorption disc 654, the sucked scraping paper will fall into the storage box 655 below. The storage box 655 can collect the fallen scraping paper. Subsequently, the scraping paper loading manipulator 61 places the scraping paper on the melamine powder raw material hydraulically pressed by the hydraulic press 9. The hydraulic press 9 performs a hydraulic operation on the scraping paper and the melamine powder raw material again to complete the scraping paper loading operation. Subsequently, the gold powder feeding device 7 scatters gold powder on the melamine powder raw material on the hydraulic press 9. The hydraulic press 9 performs a hydraulic operation on the gold powder and the melamine powder raw material again to complete the production of the melamine tableware. Finally, the gripper fixture device 53 clamps and places the melamine tableware finished product on the hydraulic press 9 into the placement box 8 to complete the work.

[0067] The above are only the embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims

1. A melamine tableware production line, characterized in that, it includes a conveying and feeding device (1), a placing box (8), a hydraulic press (9), a preheating machine (10), a feeding box feeding device (5) and a scraping paper feeding device (6). The conveying and feeding device (1) is placed on a horizontal plane. The feeding box feeding device (5) is located beside the conveying and feeding device (1). The hydraulic press (9) is located beside the feeding box feeding device (5). The placing box (8) is located beside the feeding box feeding device (5). The preheating machine (10) is located beside the conveying and feeding device (1) and the feeding box feeding device (5). The scraping paper feeding device (6) is located beside the hydraulic press (9); The conveying and feeding device (1) includes a conveying table (11), a first conveyor belt (12), a second conveyor belt (13), a third conveyor belt (14), a cup brushing device (2), a flipping device (3) and a screw powder spreading device (4). The conveying table (11) is placed on a horizontal plane. The first conveyor belt (12), the second conveyor belt (13) and the third conveyor belt (14) are all arranged on the conveying table (11). The cup brushing device (2) is arranged on the conveying table (11) and is located between the first conveyor belt (12) and the second conveyor belt (13). The flipping device (3) is arranged on the conveying table (11) and is located between the second conveyor belt (13) and the third conveyor belt (14). The screw powder spreading device (4) is arranged on the conveying table (11) and is located above the third conveyor belt (14); The scraping paper feeding device (6) includes a scraping paper feeding manipulator (61), a feeding rack (62), a scraping paper feeding seat (63) and a scraping paper feeding device (64). The scraping paper feeding manipulator (61) is located beside the hydraulic press (9). The feeding rack (62) is fixedly arranged on the claw of the scraping paper feeding manipulator (61). The scraping paper feeding seat (63) is placed beside the scraping paper feeding manipulator (61). The scraping paper feeding device (64) is arranged on the feeding rack (62).

2. The melamine tableware production line according to claim 1, characterized in that, the flipping device (3) includes a mobile station (31), a flipping electric cylinder (32) and a clamping electric cylinder (33). The mobile station (31) is fixedly arranged on the conveying table (11) and is located between the second conveyor belt (13) and the third conveyor belt (14). The flipping electric cylinder (32) is fixedly arranged on the sliding table of the mobile station (31). The clamping electric cylinder (33) is arranged on the main shaft of the flipping electric cylinder (32).

3. The melamine tableware production line according to claim 1, characterized in that, the screw powder spreading device (4) includes a bearing seat (41) and a powder spreading and discharging device (42). The bearing seat (41) is fixedly arranged on the conveying table (11) and is located above the third conveyor belt (14). The powder spreading and discharging device (42) is arranged on the bearing seat (41).

4. The melamine tableware production line according to claim 1, characterized in that, The feeding box loading device (5) includes a feeding box manipulator (51), a bearing plate (52) and a gripper fixture device (53). The feeding box manipulator (51) is located beside the conveying table (11). The bearing plate (52) is arranged on the jaws of the feeding box manipulator (51). The gripper fixture device (53) is fixedly arranged on the bearing plate (52).

5. According to a melamine tableware production line described in claim 1, characterized in that a gold powder feeding device (7) is further provided on the loading rack (62), and the gold powder feeding device (7) has the same structure as the powder spreading and discharging device (42).

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