Anti-corrosion washing machine door plate and production process thereof

Abstract

The invention relates to the technical field of washing machine door plate machining, and discloses an anti-corrosion washing machine door plate and a production technology thereof.The quenching cooling device comprises a mounting plate, a mounting frame is fixedly connected to the top of the mounting plate, and two threaded rods are rotationally connected into the mounting frame; according to the anti-corrosion washing machine door plate and the production process thereof, the clamped washing machine door plate subjected to heating treatment is fed into the cooling box, then the driving mechanism drives the first transmission shaft to rotate, and therefore the clamped door plate is driven to turn over; and meanwhile, cooling water in the cooling box quickly and circularly flows in cooperation with the circulating mechanism, so that the heated door plate is quickly, circularly and uniformly cooled, the cooling speed and the cooling uniformity of the door plate are greatly improved, the quenching effect of the door plate is further improved, and the corrosion resistance of the door plate is improved.

Description

Technical Field

[0001] The invention relates to the technical field of washing machine door panel processing, and in particular to a corrosion-resistant washing machine door panel and a production process thereof. Background Art

[0002] A washing machine is a cleaning appliance that uses electrical energy to generate mechanical action to wash clothes. It is divided into two categories according to its rated washing capacity: household and collective use. During the production process of washing machines, the door panels of the washing machines need to be processed and produced. In the current production process of washing machine door panels, metal sheets are usually placed in a stamping die for stamping and forming into washing machine door panel blanks.

[0003] However, during the current production process of washing machine door panels, the corrosion resistance of metal door panels is relatively poor. After the paint on the surface of the metal door panels is partially peeled off, the metal inside will undergo an oxidation reaction after water enters, causing corrosion and rust, which affects the service life of the metal door panels. The current method is to quench the stamped door panel blanks to improve the corrosion resistance of the metal surface. However, during the quenching production process, when the heated door panels are cooled, their surfaces cannot be cooled evenly and quickly, resulting in poor quenching effect in some parts of the door panels, affecting the corrosion resistance of the surface. Summary of the invention

[0004] The object of the present invention is to provide a corrosion-resistant washing machine door panel and a production process thereof, so as to solve the deficiencies in the above-mentioned background technology.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] The invention discloses a corrosion-resistant washing machine door plate, which is composed of the following raw materials in percentage by weight: C: 0.6%, Si: 0.40%, Mn: 0.3%, Cr: 0.9%, N0: 1.8%, Cu1.5%, and the rest is Fe.

[0007] A production process for a corrosion-resistant washing machine door panel comprises the following steps:

[0008] Step 1: Melt the raw materials of the washing machine door panel and put them into the mold to make a panel;

[0009] Step 2: Place the plate in step 1 into a punching machine, and then use the punching machine to punch and form it into a washing machine door panel blank:

[0010] Step 3: placing the washing machine door panel stamped in step 2 into a heating furnace for heating, and then placing the heated door panel into a quenching and cooling device for cooling and quenching treatment;

[0011] Step 4: spray paint the surface of the door panel that has been quenched in step 4, and then install accessories on the painted door panel to obtain the washing machine door panel.

[0012] As a further solution of the present invention: the quenching cooling device comprises a mounting plate, the top of the mounting plate is fixedly connected to a mounting frame, two threaded rods are rotatably connected in the mounting frame, the two threaded rods are connected by a transmission wheel and a transmission belt, one end of one of the threaded rods is fixedly connected to a first motor fixedly connected to the mounting frame through a coupling, the outer surface of the threaded rod is threadedly matched with a transmission plate, the bottom of the transmission plate is fixedly connected to a first electric hydraulic rod, and the bottom end of the first electric hydraulic rod is fixedly connected to a clamping frame;

[0013] A cooling mechanism is fixedly connected to the top of the mounting plate, and the cooling mechanism is used to cool the washing machine door panel after the heating treatment. A clamping and flipping mechanism is provided on the clamping frame, and the clamping and flipping mechanism is used to drive the washing machine door panel after the heating treatment to be evenly flipped and cooled in the cooling mechanism. A circulation mechanism connected to the flipping cooling mechanism is provided on the clamping frame, and the circulation mechanism is used to circulate the coolant in the cooling mechanism.

[0014] As a further solution of the present invention: the clamping and flipping mechanism includes a first transmission shaft rotatably connected to the clamping frame, a transmission groove is opened in the clamping frame, the outer surface of the first transmission shaft is connected to two second transmission shafts rotatably connected to the transmission groove through a transmission wheel and a transmission belt, one end of the second transmission shaft is fixedly sleeved with a first bevel gear, the outer surface of the first bevel gear is meshingly connected with the second bevel gear, the middle of the second bevel gear is fixedly sleeved with a third transmission shaft rotatably connected to the clamping frame, one end of the third transmission shaft is fixedly connected to a connecting block, one side of the connecting block is fixedly connected to a second electric hydraulic rod, one end of the second electric hydraulic rod is fixedly connected to a clamping plate, the outer surface of the first transmission shaft is transmission-connected to a driving mechanism connected to the clamping frame, the outer surface of the first transmission shaft is transmission-connected to a circulation mechanism, and the outer surface of the first transmission shaft is transmission-connected to a heat recovery mechanism connected to the clamping frame.

[0015] As a further solution of the present invention: the circulation mechanism includes a first mounting plate fixedly connected to the clamping frame, a plurality of suction cylinders are fixedly connected to the bottom of the first mounting plate, a first transmission pipe rotatably connected to the first mounting plate is rotatably connected inside the suction cylinder, a first gear is fixedly sleeved on the outer surface of the first transmission shaft, a second gear fixedly sleeved on the outer surface of the first gear is meshingly connected to the first transmission pipe, a turbine blade is fixedly connected to the bottom end of the first transmission pipe, a suction port is provided on the outer surface of the first transmission pipe, the top end of the first transmission pipe is rotatably connected to a first connecting pipe fixedly connected to the first mounting plate, the top end of the first connecting pipe is fixedly connected to a first drain pipe, and a filter screen is fixedly connected to the bottom of the suction cylinder.

[0016] As a further solution of the present invention: the heat gas recovery mechanism includes a second mounting plate fixedly connected to the clamping frame, the bottom of the second mounting plate is fixedly connected to an air suction cylinder, a second transmission pipe rotatably connected to the second mounting plate is rotatably connected inside the air suction cylinder, a third gear is fixedly sleeved on the outer surface of the first transmission pipe, the outer surface of the third gear is meshingly connected to a fourth gear fixedly sleeved on the second transmission pipe, the outer surface of the first transmission shaft is fixedly sleeved on the outer surface of the second transmission pipe and a plurality of air suction ports are provided, the bottom end of the second transmission pipe is fixedly connected to a first fan blade, the top end of the second transmission pipe is rotatably connected to a second connecting pipe fixedly connected to the second mounting plate, the top end of the second connecting pipe is fixedly connected to a condensation circle pipe through a pipeline, the outer surface of the condensation circle pipe is fixedly connected to a second drain pipe, and an electromagnetic valve is provided on the second drain pipe.

[0017] As a further solution of the present invention: the driving mechanism includes a driving motor fixedly connected to the clamping frame, the output end of the driving motor is fixedly connected to the driving shaft through a coupling, the outer surface of the driving shaft is fixedly sleeved with a first driving gear, and the outer surface of the first driving gear is meshingly connected with a second driving gear fixedly sleeved with the first transmission shaft.

[0018] As a further solution of the present invention: the bottom of the transmission plate is rotatably connected to a fourth transmission shaft, the outer surface of the fourth transmission shaft is fixedly sleeved with a second fan blade, the outer surface of the fourth transmission shaft is fixedly sleeved with a transmission gear, and the outer surface of the transmission gear is meshingly connected with a transmission rack fixedly connected to the mounting frame.

[0019] As a further solution of the present invention: the cooling mechanism comprises a cooling box fixedly connected to the mounting plate, the cooling box is filled with cooling water, and the outer surface of the cooling box is fixedly connected to a water cooling mechanism.

[0020] As a further solution of the present invention: the water cooling mechanism includes a water cooler fixedly connected to the mounting plate, the input end of the water cooler is fixedly connected to a water pumping circle pipe through a pipeline, the outer surface of the water pumping circle pipe is connected to a cooling box through a pipeline, and the output end of the water cooler is connected to the cooling box through a pipeline.

[0021] Beneficial effects of the present invention:

[0022] (1) The clamped heated washing machine door panel is sent into a cooling box, and then the first transmission shaft is driven to rotate by a driving mechanism, thereby driving the clamped door panel to flip, and at the same time, the cooling water in the cooling box is rapidly circulated by a circulation mechanism, thereby realizing rapid and uniform cooling of the heated door panel, greatly improving the cooling speed and cooling uniformity of the door panel, further improving the quenching effect of the door panel, and thus improving the corrosion resistance of the door panel.

[0023] (2) During the cooling process, the boiling water vapor after cooling and heating is sucked into the condensing coil through the suction tube, and then cooled by the condensing coil. At the same time, the condensing coil is cooled by the second fan blade, so that the water vapor heated during the cooling process is recovered, reducing the waste of water resources and also reducing the impact of water vapor on the environment.

[0024] (3) By adjusting the proportions of the various components, the material strength of the washing machine door panel is further improved, and the corrosion resistance of the door panel is also improved. At the same time, the blank of the washing machine door panel after stamping is quenched, which further improves the corrosion resistance of the blank of the washing machine door panel. At the same time, the surface is spray-painted, thereby greatly improving the corrosion resistance of the washing machine door panel after production. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below in conjunction with the accompanying drawings.

[0026] Figure 1 is a first stereogram of the external structure of the present invention;

[0027] Figure 2 is a second stereoscopic diagram of the external structure of the present invention;

[0028] Figure 3 It is a three-dimensional diagram of the internal structure of the present invention;

[0029] Figure 4 This is a front view of the internal structure of the clamping frame of the present invention;

[0030] Figure 5 The present invention Figure 1 A magnified view of middle;

[0031] Figure 6 The present invention Figure 2 Enlarged view of middle B;

[0032] Figure 7 The present invention Figure 2 Enlarged view of middle C;

[0033] Figure 8 The present invention Figure 3 Enlarged view of D in the middle.

[0034] In the figure: 1, mounting plate; 2, mounting frame; 3, threaded rod; 4, first motor; 5, transmission plate; 6, first electric hydraulic rod; 7, clamping frame; 11, first transmission shaft; 12, transmission groove; 13, second transmission shaft; 14, first bevel gear; 15, second bevel gear; 16, third transmission shaft; 17, connecting block; 18, second electric hydraulic rod; 19, clamping plate; 21, first mounting plate; 22, suction cylinder; 23, first transmission pipe; 24, first gear; 25, second gear; 26, turbine blade; 27, suction port; 28, first connecting pipe ; 29. ​​First drain pipe; 290. Filter screen; 31. Second mounting plate; 32. Air suction cylinder; 33. Second transmission pipe; 34. Third gear; 35. Fourth gear; 36. First fan blade; 37. Second connecting pipe; 38. Condensation circle pipe; 39. Second drain pipe; 390. Air intake; 41. Drive motor; 42. Drive shaft; 43. First drive gear; 44. Second drive gear; 51. Fourth transmission shaft; 52. Second fan blade; 53. Transmission gear; 54. Transmission rack; 61. Cooling box; 62. Water cooler; 63. Pumping circle pipe. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] Embodiment 1

[0037] The present invention is a corrosion-resistant washing machine door panel and a production process thereof.

[0038] The invention discloses a corrosion-resistant washing machine door panel, which is composed of the following raw materials in percentage by weight: C: 0.6%, Si: 0.40%, Mn: 0.3%, Cr: 0.9%, N0: 1.8%, Cu1.5%, and the rest is Fe.

[0039] Embodiment 2

[0040] See also Figure 1-Figure 8 As shown, a production process of a corrosion-resistant washing machine door panel includes the following steps:

[0041] Step 1: Melt the raw materials of the washing machine door panel and put them into the mold to make a panel;

[0042] Step 2: Place the plate in step 1 into a punching machine, and then use the punching machine to punch and form it into a washing machine door panel blank:

[0043] Step 3: placing the washing machine door panel stamped in step 2 into a heating furnace for heating, and then placing the heated door panel into a quenching and cooling device for cooling and quenching treatment;

[0044] Step 4: spray paint the surface of the door panel that has been quenched in step 4, and then install accessories on the painted door panel to obtain the washing machine door panel.

[0045] Through the ratio of each component material, the material strength of the washing machine door panel is further improved, and the corrosion resistance of the door panel is also improved. At the same time, the washing machine door panel blank after stamping is quenched, which further improves the corrosion resistance of the washing machine door panel blank. At the same time, the surface is painted, thereby greatly improving the corrosion resistance of the washing machine door panel after production.

[0046] The quenching cooling device comprises a mounting plate 1, a mounting frame 2 is fixedly connected to the top of the mounting plate 1, two threaded rods 3 are rotatably connected inside the mounting frame 2, the two threaded rods 3 are connected to each other by a transmission wheel and a transmission belt, one end of one of the threaded rods 3 is fixedly connected to a first motor 4 fixedly connected to the mounting frame 2 by a coupling, the first motor 4 is controlled by a PLC programming program, and the first motor 4 can be controlled to rotate forward and backward and rotate at an angle, the outer surface of the threaded rod 3 is threadedly matched with a transmission plate 5, the bottom of the transmission plate 5 is fixedly connected to a first electric hydraulic rod 6, and the bottom end of the first electric hydraulic rod 6 is fixedly connected to a clamping frame 7;

[0047] A cooling mechanism is fixedly connected to the top of the mounting plate 1, and the cooling mechanism is used to cool the washing machine door panel after the heating treatment. A clamping and flipping mechanism is provided on the clamping frame 7, and the clamping and flipping mechanism is used to drive the washing machine door panel after the heating treatment to be evenly flipped and cooled in the cooling mechanism. A circulation mechanism connected to the flipping cooling mechanism is provided on the clamping frame 7, and the circulation mechanism is used to circulate the coolant in the cooling mechanism.

[0048] The driving mechanism includes a driving motor 41 fixedly connected to the clamping frame 7. The driving motor 41 is controlled by a PLC programming program, and can be controlled to rotate forward and reverse and rotate at an angle. The output end of the driving motor 41 is fixedly connected to a driving shaft 42 through a coupling. The outer surface of the driving shaft 42 is fixedly sleeved with a first driving gear 43, and the outer surface of the first driving gear 43 is meshingly connected with a second driving gear 44 fixedly sleeved with the first transmission shaft 11.

[0049] The driving motor 41 drives the driving shaft 42 to rotate, and the driving shaft 42 drives the first transmission shaft 11 to rotate through the first driving gear 43 and the second driving gear 44 .

[0050] The cooling mechanism comprises a cooling box 61 fixedly connected to the mounting plate 1 . The cooling box 61 is filled with cooling water. The outer surface of the cooling box 61 is fixedly connected to a water cooling mechanism.

[0051] The water cooling mechanism includes a water cooler 62 fixedly connected to the mounting plate 1, the input end of the water cooler 62 is fixedly connected to a water pumping tube 63 through a pipeline, the outer surface of the water pumping tube 63 is connected to the cooling box 61 through a pipeline, and the output end of the water cooler 62 is connected to the cooling box 61 through a pipeline.

[0052] Cooling water is filled in the cooling box 61, and the water cooler 62 sucks the cooled and heated water in the cooling box 61 into the water cooler 62 through the pipeline and the water pumping coil 63 for cooling. The cooled water is discharged into the cooling box 61 through the pipeline, so that the water in the cooling box 61 is circulated and cooled, ensuring that the cooling water in the cooling box 61 is within a certain cooling temperature range.

[0053] The threaded rod 3 is driven to rotate by the first motor 4, and the threaded rod 3 drives the transmission plate 5 to move. The transmission plate 5 drives the first electric hydraulic rod 6 and the clamping frame 7 to move, so that the clamping frame 7 is moved to the top of the door panel after the heating treatment, and then the clamping frame 7 is driven downward by the first electric hydraulic rod 6, and then the door panel is clamped and fixed by the clamping and flipping mechanism on the clamping frame 7, and then the first electric hydraulic rod 6 drives the clamping frame 7 to move upward, and at the same time, the threaded rod 3 drives the clamping frame 7 to move above the cooling mechanism, and then the clamping frame 7 is inserted into the cooling mechanism to quickly cool the door panel, and at the same time, cooperate with the circulation mechanism to achieve rapid and uniform cooling of the door panel, which greatly improves the cooling and quenching effect of the door panel, thereby further improving the corrosion resistance of the door panel of the washing machine.

[0054] Embodiment 3

[0055] Based on Example 2, please refer to Figure 2 , Figure 3 , Figure 4 , Figure 6 and Figure 8As shown, the clamping and flipping mechanism includes a first transmission shaft 11 rotatably connected to the clamping frame 7, a transmission groove 12 is opened in the clamping frame 7, the outer surface of the first transmission shaft 11 is connected to two second transmission shafts 13 rotatably connected to the transmission groove 12 through a transmission wheel and a transmission belt, the transmission belt is triangularly transmitted, one end of the second transmission shaft 13 is fixedly sleeved with a first bevel gear 14, the outer surface of the first bevel gear 14 is meshedly connected with a second bevel gear 15, the middle of the second bevel gear 15 is fixedly sleeved with a third transmission shaft 16 rotatably connected to the clamping frame 7, one end of the third transmission shaft 16 is fixedly connected to a connecting block 17, one side of the connecting block 17 is fixedly connected to a second electric hydraulic rod 18, one end of the second electric hydraulic rod 18 is fixedly connected to a clamping plate 19, the outer surface of the first transmission shaft 11 is transmission-connected to a driving mechanism connected to the clamping frame 7, the outer surface of the first transmission shaft 11 is transmission-connected to a circulation mechanism, and the outer surface of the first transmission shaft 11 is transmission-connected to a heat recovery mechanism connected to the clamping frame 7.

[0056] The circulation mechanism includes a first mounting plate 21 fixedly connected to the clamping frame 7, a plurality of suction cylinders 22 are fixedly connected to the bottom of the first mounting plate 21, a first transmission pipe 23 rotatably connected to the first mounting plate 21 is rotatably connected inside the suction cylinder 22, a first gear 24 is fixedly sleeved on the outer surface of the first transmission shaft 11, the outer surface of the first gear 24 is meshingly connected to a second gear 25 fixedly sleeved on the first transmission pipe 23, a turbine blade 26 is fixedly connected to the bottom end of the first transmission pipe 23, a suction port 27 is provided on the outer surface of the first transmission pipe 23, the top end of the first transmission pipe 23 is rotatably connected to a first connecting pipe 28 fixedly connected to the first mounting plate 21, the top end of the first connecting pipe 28 is fixedly connected to a first drain pipe 29, and a filter screen 290 is fixedly connected to the bottom of the suction cylinder 22.

[0057] By moving the clamping frame 7 to the door panel position for heating treatment, and then driving the clamping plate 19 to move through the second electric hydraulic rod 18, the clamping plate 19 clamps and fixes the door panel, and then the first electric hydraulic rod 6 drives the clamping plate 19 to move upward, and at the same time cooperates with the threaded rod 3 to drive the transmission plate 5 to move, so that the clamped door panel moves to the top of the cooling mechanism, and then the clamping frame 7 is driven downward by the first electric hydraulic rod 6, so that the clamped door panel enters the cooling mechanism, and at the same time, the first transmission shaft 11 is driven to rotate through the driving mechanism, and the first transmission shaft 11 drives the second transmission shaft 13 to rotate through the transmission wheel and transmission, and the second transmission shaft 13 drives the third transmission shaft 16 to rotate through the first bevel gear 14 and the second bevel gear 15, and the third transmission shaft 16 drives the connecting block 17 and the second electric hydraulic rod 18 to rotate, thereby driving the clamped door panel to rotate in the coolant in the cooling mechanism, so that it is evenly cooled, and at the same time, the first transmission The shaft 11 drives the second gear 25 to rotate through the first gear 24, and the second gear 25 drives the first transmission pipe 23 to rotate. The first transmission pipe 23 drives the turbine blades 26 to rotate in the suction barrel 22 to form a negative pressure to suck the hot water after cooling the heated door panel in the cooling mechanism. At the same time, the cooled and heated hot water will flow upward due to the decrease in density after heating, thereby quickly sucking the cooled and heated water into the suction barrel 22, and then entering the first transmission pipe 23 through the suction port 27 on the first transmission pipe 23 in the suction barrel 22, and then entering the first drain pipe 29 through the first connecting pipe 28 on the first transmission pipe 23 to be discharged to the surrounding of the cooling mechanism. At the same time, the surrounding cooling and heated water will also quickly flow to the surrounding of the door panel to heat the door panel, thereby realizing rapid circulation and uniform cooling of the heated door panel, greatly improving the cooling speed and cooling uniformity of the door panel, and further improving the quenching effect of the door panel.

[0058] Embodiment 4

[0059] Based on Example 3, please refer to Figure 2 , Figure 3 , Figure 5 , Figure 7 and Figure 8As shown, the heat recovery mechanism includes a second mounting plate 31 fixedly connected to the clamping frame 7, an air suction cylinder 32 is fixedly connected to the bottom of the second mounting plate 31, a second transmission pipe 33 rotatably connected to the second mounting plate 31 is rotatably connected inside the air suction cylinder 32, a third gear 34 is fixedly sleeved on the outer surface of the first transmission pipe 23, and the outer surface of the third gear 34 is meshingly connected to the fourth gear 35 fixedly sleeved with the second transmission pipe 33, the outer surface of the first transmission shaft 11 is fixedly sleeved with the outer surface of the second transmission pipe 33 and a plurality of air suction ports 390 are provided, the bottom end of the second transmission pipe 33 is fixedly connected to the first fan blade 36, the top end of the second transmission pipe 33 is rotatably connected to the second connecting pipe 37 fixedly connected to the second mounting plate 31, the top end of the second connecting pipe 37 is fixedly connected to the condensation circle pipe 38 through a pipeline, the outer surface of the condensation circle pipe 38 is fixedly connected to the second drain pipe 39, and the second drain pipe 39 is provided with an electromagnetic valve.

[0060] The bottom of the transmission plate 5 is rotatably connected to the fourth transmission shaft 51, the outer surface of the fourth transmission shaft 51 is fixedly sleeved with the second fan blade 52, the outer surface of the fourth transmission shaft 51 is fixedly sleeved with a transmission gear 53, and the outer surface of the transmission gear 53 is meshingly connected to a transmission rack 54 fixedly connected to the mounting frame 2.

[0061] During the cooling process, the hot door panel will quickly heat the water in the cooling box 61, and the water will boil at a high temperature. At this time, the boiling steam will flow upward, and the first transmission shaft 11 will drive the second transmission pipe 33 to rotate through the third gear 34 and the fourth gear 35, and the second transmission pipe 33 will drive the first fan blade 36 to rotate. The first fan blade 36 rotates in the air intake cylinder 32, and the boiling water vapor is sucked into the air intake cylinder 32, and then enters the second connecting pipe 37 through the air intake port 390 on the surface of the second transmission pipe 33, and then enters the condensation circle pipe 38 through the second connecting pipe 37 and the pipeline, and then the condensation circle pipe 38 cools the steam into liquid, and at the same time, the threaded rod 3 drives the transmission plate 5 to enter During the movement, the fourth transmission shaft 51 is driven to move through the transmission plate 5, and the transmission gear 53 on the fourth transmission shaft 51 is meshed with the transmission rack 54, driving the transmission gear 53 and the fourth transmission shaft 51 to rotate, and the fourth transmission shaft 51 drives the second fan blade 52 to rotate, and the second fan blade 52 blows air to the condensation coil tube 38, thereby accelerating the heat dissipation of the condensation coil tube 38, so that the condensation coil tube 38 absorbs the steam for rapid cooling, and then after the condensation coil tube 38 moves to the top of the cooling box 61 of the cooling mechanism, the electromagnetic valve on the second drain pipe 39 is opened to discharge the cooling water, so as to recover the water vapor heated during the cooling process, reduce the waste of water resources, and also reduce the impact of water vapor on the environment.

[0062] The working principle of the present invention is as follows: by moving the clamping frame 7 to the door panel position for heating treatment, and then the clamping plate 19 is driven to move by the second electric hydraulic rod 18, the clamping plate 19 clamps and fixes the door panel, and then the first electric hydraulic rod 6 drives the clamping plate 19 to move upward, and at the same time cooperates with the threaded rod 3 to drive the transmission plate 5 to move, so that the clamped door panel moves to the top of the cooling mechanism, and then the clamping frame 7 is driven downward by the first electric hydraulic rod 6, so that the clamped door panel enters the cooling mechanism, and at the same time the first transmission shaft 11 is driven to rotate by the driving mechanism, the first transmission shaft 11 drives the second transmission shaft 13 to rotate through the transmission wheel and transmission, the second transmission shaft 13 drives the third transmission shaft 16 to rotate through the first bevel gear 14 and the second bevel gear 15, the third transmission shaft 16 drives the connecting block 17 and the second electric hydraulic rod 18 to rotate, thereby driving the clamped door panel to rotate in the coolant in the cooling mechanism, so that it is evenly cooled, and at the same time At the same time, the first transmission shaft 11 drives the second gear 25 to rotate through the first gear 24, and the second gear 25 drives the first transmission pipe 23 to rotate. The first transmission pipe 23 drives the turbine blades 26 to rotate in the suction barrel 22 to form a negative pressure to suck the hot water after cooling the heated door panel in the cooling mechanism. At the same time, the cooled and heated hot water will flow upward due to the decrease in density after heating, thereby quickly sucking the cooled and heated water into the suction barrel 22, and then enter the first transmission pipe 23 through the suction port 27 on the first transmission pipe 23 in the suction barrel 22, and then enter the first drainage pipe 29 through the first connecting pipe 28 on the first transmission pipe 23 to be discharged to the surrounding of the cooling mechanism. At the same time, the surrounding cooling and heated water will also quickly flow to the surrounding of the door panel to heat the door panel, thereby realizing rapid circulation and uniform cooling of the heated door panel, greatly improving the cooling speed and cooling uniformity of the door panel, and further improving the quenching effect of the door panel.

[0063] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A corrosion-resistant washing machine door panel, characterized in that: It is composed of the following raw materials in weight percentage: C: 0.6%, Si: 0.40%, Mn: 0.3%, Cr: 0.9%, N0: 1.8%, Cu1.5%, and the rest is Fe.

2. The production process of a corrosion-resistant washing machine door panel according to claim 1, characterized in that: The following steps are involved: Step 1: Melt the raw materials of the washing machine door panel and put them into the mold to make a panel; Step 2: Place the plate in step 1 into a punching machine, and then use the punching machine to punch and form it into a washing machine door panel blank: Step 3: placing the washing machine door panel stamped in step 2 into a heating furnace for heating, and then placing the heated door panel into a quenching and cooling device for cooling and quenching treatment; Step 4: spray paint the surface of the door panel that has been quenched in step 4, and then install accessories on the painted door panel to obtain the washing machine door panel.

3. The production process of a corrosion-resistant washing machine door panel according to claim 2, characterized in that: The quenching cooling device comprises a mounting plate (1), the top of the mounting plate (1) is fixedly connected to a mounting frame (2), two threaded rods (3) are rotatably connected inside the mounting frame (2), the two threaded rods (3) are connected to each other through a transmission wheel and a transmission belt, one end of one of the threaded rods (3) is fixedly connected to a first motor (4) fixedly connected to the mounting frame (2) through a coupling, the outer surface of the threaded rod (3) is threadedly matched with a transmission plate (5), the bottom of the transmission plate (5) is fixedly connected to a first electric hydraulic rod (6), and the bottom end of the first electric hydraulic rod (6) is fixedly connected to a clamping frame (7); The top of the mounting plate (1) is fixedly connected with a cooling mechanism, the cooling mechanism is used to cool the washing machine door panel after the heating treatment, the clamping frame (7) is provided with a clamping and flipping mechanism, the clamping and flipping mechanism is used to drive the washing machine door panel after the heating treatment to be evenly flipped and cooled in the cooling mechanism, the clamping frame (7) is provided with a circulation mechanism connected to the flipping and cooling mechanism, the circulation mechanism is used to circulate the cooling liquid in the cooling mechanism.

4. The production process of a corrosion-resistant washing machine door panel according to claim 3 is characterized in that: The clamping and flipping mechanism comprises a first transmission shaft (11) rotatably connected to the clamping frame (7); a transmission groove (12) is provided in the clamping frame (7); the outer surface of the first transmission shaft (11) is connected to two second transmission shafts (13) rotatably connected to the transmission groove (12) through a transmission wheel and a transmission belt; one end of the second transmission shaft (13) is fixedly sleeved with a first bevel gear (14); the outer surface of the first bevel gear (14) is meshingly connected with a second bevel gear (15); the middle of the second bevel gear (15) is fixedly sleeved with a first bevel gear (14) rotatably connected to the clamping frame (7); A third transmission shaft (16) is provided, one end of the third transmission shaft (16) is fixedly connected to a connection block (17), one side of the connection block (17) is fixedly connected to a second electric hydraulic rod (18), one end of the second electric hydraulic rod (18) is fixedly connected to a clamping plate (19), the outer surface of the first transmission shaft (11) is transmission-connected to a driving mechanism connected to a clamping frame (7), the outer surface of the first transmission shaft (11) is transmission-connected to a circulation mechanism, and the outer surface of the first transmission shaft (11) is transmission-connected to a heat recovery mechanism connected to the clamping frame (7).

5. The production process of a corrosion-resistant washing machine door panel according to claim 4, characterized in that: The circulation mechanism comprises a first mounting plate (21) fixedly connected to the clamping frame (7); a plurality of suction cylinders (22) are fixedly connected to the bottom of the first mounting plate (21); a first transmission tube (23) rotatably connected to the first mounting plate (21) is rotatably connected inside the suction cylinder (22); a first gear (24) is fixedly sleeved on the outer surface of the first transmission shaft (11); a second gear (25) is meshingly connected to the outer surface of the first gear (24) and fixedly sleeved on the first transmission tube (23); a turbine blade (26) is fixedly connected to the bottom end of the first transmission tube (23); a suction port (27) is provided on the outer surface of the first transmission tube (23); a first connecting tube (28) fixedly connected to the first mounting plate (21) is rotatably connected to the top of the first connecting tube (28); a first drain pipe (29) is fixedly connected to the top of the first connecting tube (28); and a filter screen (290) is fixedly connected to the bottom of the suction cylinder (22).

6. The production process of a corrosion-resistant washing machine door panel according to claim 4, characterized in that: The heat recovery mechanism comprises a second mounting plate (31) fixedly connected to the clamping frame (7); a suction cylinder (32) is fixedly connected to the bottom of the second mounting plate (31); a second transmission pipe (33) rotatably connected to the second mounting plate (31) is rotatably connected inside the suction cylinder (32); a third gear (34) is fixedly sleeved on the outer surface of the first transmission pipe (23); a fourth gear (35) fixedly sleeved on the outer surface of the third gear (34) is meshingly connected to the second transmission pipe (33); and the outer surface of the first transmission shaft (11) A plurality of air intake ports (390) are provided on the outer surface of the second transmission tube (33) which is fixedly sleeved thereon; the bottom end of the second transmission tube (33) is fixedly connected to the first fan blade (36); the top end of the second transmission tube (33) is rotatably connected to a second connecting tube (37) which is fixedly connected to the second mounting plate (31); the top end of the second connecting tube (37) is fixedly connected to a condensation tube (38) via a pipeline; the outer surface of the condensation tube (38) is fixedly connected to a second drain tube (39); and an electromagnetic valve is provided on the second drain tube (39).

7. The production process of a corrosion-resistant washing machine door panel according to claim 3, characterized in that: The driving mechanism comprises a driving motor (41) fixedly connected to the clamping frame (7); the output end of the driving motor (41) is fixedly connected to a driving shaft (42) via a coupling; the outer surface of the driving shaft (42) is fixedly sleeved with a first driving gear (43); the outer surface of the first driving gear (43) is meshingly connected with a second driving gear (44) fixedly sleeved with the first transmission shaft (11).

8. The production process of the corrosion-resistant washing machine door panel according to claim 3 is characterized in that: The bottom of the transmission plate (5) is rotatably connected to a fourth transmission shaft (51); a second fan blade (52) is fixedly sleeved on the outer surface of the fourth transmission shaft (51); a transmission gear (53) is fixedly sleeved on the outer surface of the fourth transmission shaft (51); and a transmission rack (54) fixedly connected to the mounting frame (2) is meshedly connected on the outer surface of the transmission gear (53).

9. The production process of a corrosion-resistant washing machine door panel according to claim 3, characterized in that: The cooling mechanism comprises a cooling box (61) fixedly connected to the mounting plate (1), the cooling box (61) being filled with cooling water, and the outer surface of the cooling box (61) being fixedly connected to a water cooling mechanism.

10. The production process of the corrosion-resistant washing machine door panel according to claim 9, characterized in that: The water cooling mechanism comprises a water cooler (62) fixedly connected to the mounting plate (1); an input end of the water cooler (62) is fixedly connected to a water pumping tube (63) via a pipeline; an outer surface of the water pumping tube (63) is connected to a cooling box (61) via a pipeline; and an output end of the water cooler (62) is connected to the cooling box (61) via a pipeline.

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