Efficient leveling and stamping production line for side plate of dish-washing machine and production process of efficient leveling and stamping production line

Abstract

The invention provides a dish-washing machine side plate efficient leveling and stamping production line and a production process thereof. The dish-washing machine side plate efficient leveling and stamping production line comprises a machine table, automatic feeding equipment, leveling equipment, a buffer device, feeding equipment, plate shearing equipment, a conveying belt machine table, steering mechanical arm equipment, transportation mechanical arm equipment, stamping equipment, a discharging conveying belt and a main control system. A buffering device is connected to the rear end of the leveling device, a feeding device is arranged at the rear end of the buffering device, the output end of the feeding device is connected with a plate shearing device, the output end of the plate shearing device is connected with a conveying belt machine table, and a conveying belt assembly used for conveying sheared steel plates is installed on the conveying belt machine table. A steering mechanical arm device and a conveying mechanical arm device are sequentially installed above the conveying belt machine table from front to back, and the output end of the stamping device is connected with the discharging conveying belt. The defects and defects that existing sheet metal machining is not high in automation degree, poor in sheet material flatness, long in production line, large in occupied space, low in stamping machining efficiency and the like are overcome.

Description

Technical Field

[0001] The present invention relates to the technical field of metal sheet processing, and particularly to an efficient leveling and stamping production line for the side plates of dishwashers and its production process. Background Art

[0002] The stamping and shearing of metal sheets are not fully automated operations. The feeding equipment, punching presses, and shearing machines cannot be effectively coordinated, resulting in scattered processes, occupying a large amount of human resources, taking up a large area, and low production efficiency. The existing stamping and shearing methods for sheet materials require multiple ordinary punching presses. The punching presses frequently change multiple sets of dies and require multiple people to cooperate to complete. Not only are the processes scattered, but the shearing accuracy is also poor.

[0003] Moreover, when the length of the steel plate in the existing sheet metal production line is relatively large, the length of the production line is long, occupying a large space, and the transportation time is relatively long, resulting in low production efficiency.

[0004] There is a need for a fully automated production line for stamping and shearing metal sheets that can operate fully automatically, reduce equipment investment costs, reduce labor and floor area, and solve the above problems. Summary of the Invention

[0005] The present invention provides an efficient leveling and stamping production line for the side plates of dishwashers and its production process. By technically transforming the existing metal sheet processing production line, the problem of low production efficiency of the existing sheet processing production line is solved.

[0006] To achieve the above object, the technical solution adopted by the present invention is:

[0007] An efficient leveling and stamping production line for the side plates of dishwashers includes a machine table, an automatic feeding device, a leveling device, a buffer device, a feeding device, a shearing device, a conveyor belt machine table, a turning manipulator device, a transportation manipulator device, a stamping device, a blanking conveyor belt, and a main control system. The automatic feeding device is used to unroll and supply the material steel coil and convey it to the leveling device. The leveling device is used to extrude and level the steel coil to form a steel plate. A buffer device is connected to the rear end of the leveling device. A feeding device is arranged at the rear end of the buffer device. The feeding device is used to clamp the material and provide conveying power. The output end of the feeding device is connected to the shearing device. The output end of the shearing device is connected to the conveyor belt machine table. A conveyor belt assembly for transporting the sheared steel plate is installed on the conveyor belt machine table. Above the conveyor belt machine table, a turning manipulator device for grasping the sheared steel plate and performing a 90° turn and a transportation manipulator device for conveying the steel plate to the stamping device are installed in sequence from front to back. The output end of the stamping device is connected to the blanking conveyor belt. The automatic feeding device, the leveling device, the feeding device, the shearing device, the turning manipulator device, the transportation manipulator device, the stamping device, and the blanking conveyor belt are electrically connected to the main control system using a PLC numerical control system.

[0008] Preferably, the automatic feeding device includes a feeding trolley, a trolley moving track, a feeding device base, a rotary driving mechanism, and an uncoiling device. The feeding device base is provided with a rotary driving mechanism. Two uncoiling devices facing each other are installed at the output end of the rotary driving mechanism. The uncoiling device is used for uncoiling the material steel coil and conveying it to the leveling device. A trolley moving track is installed on the machine table, and a feeding trolley is movably installed on the trolley moving track. The feeding trolley is used for conveying the material steel coil to the uncoiling device for feeding.

[0009] Preferably, the buffer device includes an arc-shaped support frame, a material passing trough, a bridge, and a bridge lifting device. A material passing trough is further provided between the leveling device and the feeding device. Arc-shaped support frames and bridges for carrying the material steel coil are respectively installed on the front and rear sides of the material passing trough. A bridge lifting device for controlling the lifting of the bridge is also installed on the machine table.

[0010] Preferably, the conveyor belt assembly installed on the conveyor belt machine table includes an inner conveyor belt and an outer conveyor belt. The inner conveyor belt and the outer conveyor belt are arranged in parallel. The output end of the shearing device is connected to the inner conveyor belt. The end of the inner conveyor belt is located directly below the steering manipulator device. A first limit post for blocking the steel plate is installed at the end of the inner conveyor belt. The steering manipulator device is used for sucking the steel plate on the inner conveyor belt and rotating it by 90 degrees and placing it at the outer conveyor belt. The end of the outer conveyor belt is located directly below the transportation manipulator device. A second limit post for blocking the steel plate is also installed at the end of the outer conveyor belt. The transportation manipulator device is used for transporting the steel plate on the outer conveyor belt to the stamping device.

[0011] Preferably, the steering manipulator device includes a mounting frame, a steering manipulator lifting driving device, a steering manipulator rotating driving device, and a steering manipulator. The mounting frame is erected above the conveyor belt machine table. A steering manipulator lifting driving device is installed on the mounting frame. The output end of the steering manipulator lifting driving device is installed with a steering manipulator rotating driving device. The output end of the steering manipulator rotating driving device is installed with a steering manipulator for sucking the steel plate.

[0012] Preferably, a palletizing and depalletizing assembly is installed above the conveyor platform connected to the rear of the plate shearing device. The palletizing and depalletizing assembly includes a depalletizing truss, a horizontal and lifting drive assembly, a palletizing and depalletizing manipulator assembly, and a stacking platform. A depalletizing truss is erected above the conveyor platform. A horizontal and lifting drive assembly is installed on the depalletizing truss. The output end of the horizontal and lifting drive assembly is equipped with a palletizing and depalletizing manipulator assembly. A stacking platform is installed on one side of the conveyor platform. The palletizing and depalletizing manipulator assembly is used to suck up the steel plates on the conveyor assembly and move them to the stacking platform for stacking. A steel plate limiting device is also installed on the stacking platform.

[0013] Preferably, the stamping device includes a stamping platform, a stamping drive assembly, an upper die and a lower die. The stamping drive assembly is installed above the stamping platform. The output end of the stamping drive assembly is equipped with an upper die, which is arranged directly opposite the lower die below. A limiting device for limiting the material is also provided on the lower die. The transport manipulator device is installed on one side of the stamping platform.

[0014] A production process for an efficient leveling and stamping production line for the side plates of a dishwasher includes the following steps:

[0015] S1. Loading: The material is lifted onto the loading trolley by a hoisting device, and the loading trolley is driven to sleevedly install the material on the expanding and contracting reel of the uncoiling device for loading.

[0016] S2. Uncoiling: Open the head of the raw steel coil, and use the rotation of the expanding and contracting reel and the feeding pressure arm to uncoil the head of the raw steel coil and transport it to the leveling device.

[0017] S3. Leveling: Adjust the downward pressure of the leveling device, and level it by the upper and lower traction rollers and the leveling rollers to flatten the bent steel coil into a steel plate.

[0018] S4. Material transportation: After the steel plate is output from the leveling device, it passes through the material passing groove of the buffer device, and then is transported to the feeding device by a conveyor. The driving roller of the feeding device presses the steel plate and transports the steel plate to the plate shearing device.

[0019] S5. Plate shearing processing: The plate shearing device cuts the steel plate according to the set length and transports the cut steel plate to the subsequent conveyor.

[0020] S6. Steel plate commutation: The steering manipulator device sucks up the steel plate on the conveyor and rotates it by ninety degrees, and then lowers it to place the steel plate on the conveyor.

[0021] S7. Stamping process: The steel plate on the conveyor belt is transported to the lower die of the stamping machine table by the transport manipulator device. The stamping drive assembly on the stamping machine table drives the upper die to move downward towards the lower die to stamp the steel plate. According to the design and usage requirements, the multi-axis manipulator transports the steel plate to the subsequent stamping machine tables for multiple consecutive stamping and forming processes.

[0022] S8. Finished product discharging: The transport manipulator device transports the stamped workpiece to the discharging conveyor belt for discharging.

[0023] The beneficial effects of the present invention are as follows:

[0024] The high-efficiency leveling stamping production line of the present invention realizes the full-process automation from steel coil loading to stamping processing and then to finished product palletizing by integrating advanced automation equipment and intelligent control systems. The present invention solves the deficiencies and defects of the existing steel coil material stamping processing, such as low automation degree, poor flatness of the plate, low stamping processing efficiency, and inability to conveniently and quickly perform product palletizing. Moreover, it has good operating performance, occupies a small site, and processes steel coil strips quickly.

[0025] The present invention is provided with a conveyor belt machine table behind the shearing equipment. The conveyor belt machine table is provided with a steering manipulator device, which can rotate the horizontally continuous steel plate on the conveyor belt by 90 degrees and place it on the subsequent conveyor belt, shortening the length of the production line and promptly sending it to the next working station for stamping and forming processing by the stamping equipment, with higher processing production efficiency.

[0026] The present invention is provided with an uncoiling equipment with a double material inlet, which can feed and uncoil simultaneously without interrupting the original production line processing equipment, with higher production efficiency.

[0027] The present invention is also provided with a palletizing and depalletizing assembly behind the shearing equipment, which can stack and store the sheared steel plates, or depalletize the steel plates stacked on the stacking platform and place them on the conveyor belt assembly, greatly reducing the labor intensity of workers. Brief Description of the Drawings

[0028] Figure 1-2 is the schematic diagram of the production line of the present invention;

[0029] Figure 3 is the schematic diagram of the automatic loading equipment, leveling equipment and buffer device of the production line of the present invention;

[0030] Figure 4 is the schematic diagram of the structure of the steering manipulator device of the present invention;

[0031] Figure 5 is the schematic diagram of the structure of the palletizing and depalletizing assembly of the present invention;

[0032] Figure 6It is a schematic structural diagram of the conveyor machine platform of the present invention;

[0033] Figure 7 It is a schematic diagram of the production process steps of the present invention;

[0034] Explanation of the reference numerals in the attached drawings: machine platform 1, automatic feeding device 2, leveling device 3, buffer device 4, feeding device 5, plate cutting device 6, conveyor machine platform 7, inner conveyor belt 71, outer conveyor belt 72, first limit column 73, second limit column 74, steering manipulator device 8, mounting frame 81, steering manipulator lifting drive device 82, steering manipulator rotation drive device 83, steering manipulator 84, transportation manipulator device 9, stamping device 10, blanking conveyor belt 11, unstacking and de-stacking assembly 12, unstacking truss 121, horizontal and lifting drive assembly 122, unstacking and de-stacking manipulator assembly 123, stacking platform 124. Specific embodiments

[0035] The following will describe in detail the specific content of the present invention in conjunction with the accompanying drawings and embodiments.

[0036] Please refer to Figure 1-7 As shown, the present invention provides a high-efficiency leveling and stamping production line for the side plates of dishwashers, including a machine platform 1, an automatic feeding device 2, a leveling device 3, a buffer device 4, a feeding device 5, a plate cutting device 6, a conveyor machine platform 7, a steering manipulator device 8, a transportation manipulator device 9, a stamping device 10, a blanking conveyor belt 11 and a main control system. The automatic feeding device 2 is used to unroll and supply the material steel coil and transport it to the leveling device 3. The leveling device 3 is used to extrude and level the steel coil to form a steel plate. The rear end of the leveling device 3 is connected to a buffer device 4. The rear end of the buffer device 4 is provided with a feeding device 5. The feeding device 5 is used to clamp the material and provide the conveying power. The output end of the feeding device 5 is connected to the plate cutting device 6. The output end of the plate cutting device 6 is connected to the conveyor machine platform 7. A conveyor belt assembly for transporting the cut steel plate is installed on the conveyor machine platform 7. Above the conveyor machine platform 7, a steering manipulator device 8 for grasping the cut steel plate and performing a 90° turn and a transportation manipulator device 9 for transporting the steel plate to the stamping device 10 are installed in sequence from front to back. The output end of the stamping device 10 is connected to the blanking conveyor belt 11. The automatic feeding device 2, the leveling device 3, the feeding device 5, the plate cutting device 6, the steering manipulator device 8, the transportation manipulator device 9, the stamping device 10 and the blanking conveyor belt 11 are electrically connected to the main control system using a PLC numerical control system.

[0037] Further, in order to enable the equipment to be used while loading materials, the automatic loading equipment 2 includes a loading trolley, a trolley moving track, a loading equipment base, a rotary drive mechanism and an uncoiling equipment. The rotary drive mechanism is installed on the loading equipment base, and two uncoiling equipments facing each other are installed at the output end of the rotary drive mechanism. The uncoiling equipment is used for uncoiling the material steel coil and conveying it to the leveling equipment 3. The trolley moving track is installed on the machine table 1, and the loading trolley is movably installed on the trolley moving track. The loading trolley is used for conveying the material steel coil to the uncoiling equipment for loading.

[0038] Further, the buffer device 4 includes an arc-shaped support frame, a material passing trough, a bridge and a bridge lifting device. A material passing trough is also arranged between the leveling device and the feeding equipment 5. Arc-shaped support frames and bridges for carrying the material steel coil are respectively installed on the front and rear sides of the material passing trough. The bridge lifting device for controlling the lifting of the bridge is also installed on the machine table 1. The steel coil droops into the material passing trough in a natural state and is supported by the arc-shaped support frame. The steel plate presents a drooping arc shape, and the steel plate will not be pulled and deformed or broken during continuous operation.

[0039] When the feeding equipment 5 starts, it clamps and conveys the steel strip to the plate cutting equipment 6 for plate cutting according to the set length. Then the feeding equipment 5 pauses, and the conveyor belt transports the cut steel plate forward.

[0040] Further, the conveyor belt assembly installed on the conveyor belt machine table 7 includes an inner conveyor belt 71 and an outer conveyor belt 72. The inner conveyor belt 71 and the outer conveyor belt 72 are arranged in parallel. The output end of the plate cutting equipment 6 is connected to the inner conveyor belt 71. The end of the inner conveyor belt 71 is located directly below the steering manipulator equipment 8, and a first limit column 73 for blocking the steel plate is installed at the end of the inner conveyor belt 71. The steering manipulator equipment 8 is used for sucking the steel plate on the inner conveyor belt 71, rotating it by ninety degrees and placing it at the outer conveyor belt 72. The end of the outer conveyor belt 72 is located directly below the transportation manipulator equipment 9, and a second limit column 74 for blocking the steel plate is also installed at the end of the outer conveyor belt 72. The transportation manipulator equipment 9 is used for transporting the steel plate on the outer conveyor belt 72 to the stamping equipment 10. When the steel plate is transported onto the inner conveyor belt 71, it is blocked by the first limit column 73, which facilitates the steering manipulator equipment 8 to suck the steel plate. When the steel plate is transported onto the outer conveyor belt 72, it is blocked by the second limit column 74, which facilitates the transportation manipulator equipment 9 to suck the steel plate.

[0041] Further, the steering manipulator device 8 includes a mounting frame 81, a steering manipulator lifting drive device 82, a steering manipulator rotating drive device 83, and a steering manipulator 84. The mounting frame 81 is erected above the conveyor table 7. The steering manipulator lifting drive device 82 is installed on the mounting frame 81. The output end of the steering manipulator lifting drive device 82 is installed with the steering manipulator rotating drive device 83. The output end of the steering manipulator rotating drive device 83 is installed with the steering manipulator 84 for sucking steel plates.

[0042] The cut steel plate moves through the inner conveyor belt 71 in the direction of the steering manipulator device 8. A limiting column is provided at the front end of the steering manipulator 84 to block the steel plate, so that the steel plate stops directly below the steering manipulator device 8. Then, the steering manipulator 84 sucks and lifts the steel plate, then horizontally rotates the steel plate by 90 degrees, and then lowers it to place the steel plate on the outer conveyor belt 72, transporting the steel plate in the direction of the stamping device 10. The transport manipulator device 9 transports the steel plate to the lower die of the stamping device 10, and the upper die descends to stamp the steel plate.

[0043] Further, a palletizing and depalletizing assembly 12 is installed above the conveyor table 7 connected to the rear of the shearing device 6. The palletizing and depalletizing assembly 12 includes a palletizing truss 121, a horizontal and lifting drive assembly 122, a palletizing and depalletizing manipulator assembly 123, and a stacking platform 124. The palletizing truss 121 is erected above the conveyor table 7. The horizontal and lifting drive assembly 122 is installed on the palletizing truss 121. The output end of the horizontal and lifting drive assembly 122 is installed with the palletizing and depalletizing manipulator assembly 123. A stacking platform 124 is installed on one side of the conveyor table 7. The palletizing and depalletizing manipulator assembly 123 is used to suck the steel plates on the conveyor assembly and move them to the stacking platform 124 for stacking. A steel plate limiting device is also installed on the stacking platform 124.

[0044] Further, the transport manipulator device 9 includes a fixed mounting base, an XYZ three-axis drive assembly, a manipulator main body, and an end effector. The fixed mounting base is fixedly arranged on the stamping machine table 1, and the XYZ three-axis drive assembly is installed on the fixed mounting base. The output end of the flat XYZ three-axis drive assembly is installed with the manipulator main body, and the end effector for sucking workpieces is installed at the end of the manipulator main body. The main control system controls the XYZ three-axis drive assembly to drive the manipulator assembly to move to the stamping device 10 to suck the stamped workpieces, and move to the lower die of the subsequent stamping device 10 or the blanking conveyor belt 11.

[0045] Furthermore, the stamping device 10 includes a stamping machine table 1, a stamping drive assembly, an upper die, and a lower die. A stamping drive assembly is installed above the stamping machine table 1. The output end of the stamping drive assembly is equipped with an upper die, and the lower die is arranged directly below the upper die. A limiting device for limiting the material is also provided on the lower die. The transport manipulator device 9 is installed on one side of the stamping machine table 1.

[0046] The production process of the above-mentioned high-efficiency leveling stamping production line for dishwasher side panels includes the following steps:

[0047] S1. Loading: The material is lifted onto the loading trolley 21 by a hoisting device, and the loading trolley 21 is driven to sleeved and install the material on the expansion and contraction reel of the uncoiling device 25 for loading.

[0048] S2. Uncoiling: Open the head of the raw material steel coil, and use the rotation of the expansion and contraction reel and the feeding pressure arm to uncoil the head of the raw material steel coil and transport it to the leveling device 3.

[0049] S3. Leveling: Adjust the downward pressure of the leveling device 3, and level it by the upper and lower traction rollers and the leveling rollers to flatten the bent steel coil into a steel plate.

[0050] S4. Material transportation: After the steel plate is output from the leveling device 3, it passes through the material passing trough of the buffer device, and then is transported to the feeding device 5 by a conveyor belt. The driving roller of the feeding device 5 presses the steel plate and transports the steel plate to the shearing device 6.

[0051] S5. Shearing processing: The shearing device 6 shears the steel plate according to the set length and transports the sheared steel plate to the subsequent conveyor belt.

[0052] S6. Steel plate commutation: The turning manipulator device 8 sucks the steel plate on the conveyor belt and rotates it by 90 degrees, and then lowers it to place the steel plate on the conveyor belt.

[0053] S7. Stamping processing: The transport manipulator device 9 transports the steel plate on the conveyor belt to the lower die of the stamping machine table 1. The stamping drive assembly on the stamping machine table 1 drives the upper die to move towards the lower die to stamp the steel plate. According to the design and usage requirements, the multi-axis manipulator transports the steel plate to the subsequent stamping machine table 1 for multiple consecutive stamping processing and forming.

[0054] S8. Finished product discharging: The transport manipulator device 9 transports the stamped workpiece to the discharging conveyor belt 11 for discharging.

[0056] The high-efficiency leveling stamping production line of this application realizes the full-process automation from coil loading to stamping processing and then to finished product palletizing by integrating advanced automation equipment and intelligent control systems. This invention solves the deficiencies and defects of the existing coil material stamping processing, such as low automation level, poor flatness of the sheet metal, low stamping processing efficiency, and inability to conveniently and quickly palletize products. Moreover, it has good operating performance, occupies a small area, and processes coil strips quickly.

[0057] A conveyor machine platform is installed behind the shearing equipment of this application. The conveyor machine platform is equipped with a steering manipulator device, which can rotate the horizontally continuous steel plate on the conveyor by 90 degrees and place it on the subsequent conveyor, shortening the length of the production line and promptly sending it to the next station for stamping and forming processing by stamping equipment, with higher processing production efficiency.

[0058] This application is provided with an uncoiler with a double material inlet, which can load and use materials for uncoiling at the same time without interrupting the original production line processing equipment, resulting in higher production efficiency.

[0059] A stacking and unstacking component is also installed behind the shearing equipment of this application, which can stack and store the sheared steel plates, or unstack the steel plates stacked on the stacking platform and place them on the conveyor component, greatly reducing the labor intensity of workers.

[0060] The leveling equipment is additionally provided with an automatic leveling system, which can automatically adjust the downward pressure according to the thickness and material of the sheet metal, and flatten the bent coil into a steel plate.

[0061] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not restrictive. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the purpose and scope of the technical solutions of the present invention, and they should all be covered by the scope of the claims of the present invention.

[0062] The standard parts used in this invention can all be purchased from the market. The special-shaped parts can be customized according to the descriptions in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the existing technology. The machines, parts, and equipment all adopt conventional models in the existing technology, and the circuit connections adopt conventional connection methods in the existing technology, which will not be elaborated here.

[0063] In the description of the present invention, unless otherwise clearly defined and limited, the terms "installed", "connected", "connected", and "fixed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Claims

1. A high-efficiency flattening and stamping production line for dishwasher side panels, characterized in that: It includes a machine, an automatic loading device, a leveling device, a buffer device, a feeding device, a shearing device, a conveyor belt machine, a steering manipulator device, a transport manipulator device, a stamping device, a feeding conveyor belt and a main control system. The automatic loading device is used to unwind and feed the material steel coil and convey it to the leveling device. The leveling device is used to extrude and flatten the steel coil to form a steel plate. The rear end of the leveling device is connected to a buffer device. The rear end of the buffer device is provided with a feeding device. The feeding device is used to clamp the material and provide conveying power. The output end of the feeding device is connected to the shearing device. The output end of the shearing device is connected to the The output end is connected to a conveyor machine, on which a conveyor belt assembly for transporting sheared steel plates is installed, and above the conveyor machine are installed, from front to back, a steering robot device for grabbing the sheared steel plates and turning them 90 degrees and a transport robot device for transporting the steel plates to the stamping equipment, and the output end of the stamping equipment is connected to a unloading conveyor belt, and the automatic loading equipment, leveling equipment, feeding equipment, shearing equipment, steering robot device, transport robot device, stamping equipment and unloading conveyor belt are electrically connected to a main control system that adopts a PLC numerical control system.

2. A dishwasher side panel high-efficiency flattening and stamping production line according to claim 1, characterized in that: The automatic loading equipment includes a loading trolley, a trolley moving track, a loading equipment base, a rotating drive mechanism and an unwinding device. A rotating drive mechanism is installed on the loading equipment base, and two unwinding devices facing opposite directions are installed at the output end of the rotating drive mechanism. The unwinding device is used to unwind the material steel coil and transport it to the leveling equipment. A trolley moving track is installed on the machine platform, and a loading trolley is movably installed on the trolley moving track. The loading trolley is used to transport the material steel coil to the unwinding device for loading.

3. A dishwasher side panel high-efficiency flattening and stamping production line according to claim 1, characterized in that: The buffer device includes an arc-shaped support frame, a material chute, a bridge and a bridge lifting device. A material chute is also provided between the leveling device and the feeding equipment. An arc-shaped support frame and a bridge for carrying material steel coils are respectively installed on the front and rear sides of the material chute. A bridge lifting device for controlling the lifting of the bridge is also installed on the machine platform.

4. A dishwasher side panel high-efficiency flattening and stamping production line according to claim 1, characterized in that: The conveyor belt assembly installed on the conveyor belt machine includes an inner conveyor belt and an outer conveyor belt, the inner conveyor belt and the outer conveyor belt are arranged parallel to each other, the output end of the shearing device is connected to the inner conveyor belt, the end of the inner conveyor belt is located directly below the steering robot device, and the end of the inner conveyor belt is installed with a first limiting column for blocking the steel plate, the steering robot device is used to absorb the steel plate on the inner conveyor belt, rotate it ninety degrees and place it on the outer conveyor belt, the end of the outer conveyor belt is located directly below the transport robot device, and the end of the outer conveyor belt is also installed with a second limiting column for blocking the steel plate, and the transport robot device is used to transport the steel plate on the outer conveyor belt to the stamping equipment.

5. The high-efficiency flattening and stamping production line for dishwasher side panels according to claim 1, characterized in that: The steering manipulator equipment includes a mounting frame, a steering manipulator lifting drive device, a steering manipulator rotation drive device and a steering manipulator. The mounting frame is erected above the conveyor belt machine, and the steering manipulator lifting drive device is installed on the mounting frame. The steering manipulator lifting drive device is installed at the output end of the steering manipulator lifting drive device, and the steering manipulator for sucking steel plates is installed at the output end of the steering manipulator rotation drive device.

6. The high-efficiency flattening and stamping production line for dishwasher side panels according to claim 1, characterized in that: A destacking and defstacking assembly is installed above the conveyor machine connected to the rear of the shearing equipment, and the destacking and defstacking assembly includes a destacking truss, a horizontal and lifting drive assembly, a destacking and defstacking robot assembly and a stacking platform. A destacking truss is erected above the conveyor machine, and a horizontal and lifting drive assembly is installed on the destacking truss. A destacking and defstacking robot assembly is installed at the output end of the horizontal and lifting drive assembly, and a stacking platform is installed on one side of the conveyor machine. The destacking and defstacking robot assembly is used for sucking steel plates on the conveyor assembly and moving them to the stacking platform for stacking, and a steel plate limiting device is also installed on the stacking platform.

7. The high-efficiency flattening and stamping production line for dishwasher side panels according to claim 1, characterized in that: The stamping equipment includes a stamping machine platform, a stamping drive assembly, an upper die and a lower die. A stamping drive assembly is installed above the stamping machine platform, an upper die is installed at the output end of the stamping drive assembly, and the lower die is arranged opposite to the lower die below the upper die. A limiting device for limiting the material is also arranged on the lower die. The transport robot equipment is installed on one side of the stamping machine platform.

8. A production process for a dishwasher side panel high-efficiency flattening and stamping production line, characterized in that: The following steps are involved: S1, loading, lifting the material to the loading trolley through the lifting equipment, driving the loading trolley to install the material on the expansion and contraction reel of the unwinding equipment for loading; S2, uncoiling, opening the raw steel coil head, using the rotation of the expansion and contraction reel and the feeding pressure arm to uncoil the raw steel coil head and transport it to the leveling equipment; S3, leveling, adjusting the downward pressure of the leveling equipment, using the upper and lower traction rollers and the leveling roller to level the bent steel coil into a steel plate; S4, material transportation, the steel plate is output from the leveling equipment and passes through the material chute of the buffer equipment, and then is transported to the feeding equipment through the conveyor belt. The power roller of the feeding equipment presses the steel plate and transports the steel plate to the shearing equipment; S5, shearing processing, the shearing equipment shears the steel plate according to the set length and transports the sheared steel plate to the subsequent conveyor belt; S6, steel plate reversing, the reversing robot picks up the steel plate on the conveyor belt and rotates it 90 degrees, then lowers it and places the steel plate on the conveyor belt; S7, stamping processing, the steel plate on the conveyor belt is transported to the lower die of the stamping machine through the transport robot equipment, and the stamping drive assembly on the stamping machine drives the upper die to move toward the lower die to stamp the steel plate. According to the design and use requirements, the multi-axis robot transports the steel plate to the subsequent stamping machine for multiple continuous stamping processes; S8, finished product discharge, the transport robot equipment transports the stamped workpiece to the unloading conveyor belt for unloading.

Images