Plate production line for steel office furniture

Abstract

According to the plate production line for the steel office furniture, stamping equipment is used for conducting stamping machining on a steel plate and comprises a mounting platform, the mounting platform is provided with a plurality of stamping mechanisms and a shearing die which are distributed along a straight line, and each stamping mechanism comprises at least one stamping unit; the driving unit is used for driving the stamping unit to move in the direction perpendicular to the plate conveying direction, the stamping unit comprises a die frame slidably connected with the mounting platform and a stamping die mounted in the die frame, and a stamping hydraulic cylinder used for pushing the stamping die to be closed is arranged on the die frame. The adjusting device can be suitable for steel plates with different widths, the production cost can be reduced, the adjusting device does not need to be detached from a machine tool, the adjusting process is simplified, and the production efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of steel plate stamping, in particular to a plate production line for steel office furniture. Background Art

[0002] Steel office furniture is made of steel plates through a complete set of precise manufacturing processes. During the processing, first, the coiled steel plate is cut to the required length, then the cut steel plate is placed on different molds for stamping to obtain the base material, and finally the base material is processed into parts for assembling steel office furniture through processes such as bending.

[0003] Due to the large number of application scenarios and types of different office furniture, there are a large number of special sizes. Correspondingly, the sizes of the panels used are also different, which requires the design and manufacture of multiple sets of molds during the processing, increasing production costs. In addition, large-sized panels also require large-sized molds for processing, and the main body of the stamping mold is made of steel. As the size increases, the weight will increase significantly, making disassembly and installation difficult. Summary of the invention

[0004] In order to solve the problems in the prior art, the present invention provides a panel production line for steel office furniture, which can be used for steel plates of different widths, can reduce production costs, and does not need to be removed from the machine tool, thereby simplifying the adjustment process and improving production efficiency.

[0005] The technical solution adopted by the present invention to solve the above technical problems is: a plate production line for steel office furniture, including an unwinding machine, a feeding device and a stamping device;

[0006] The unwinding machine is used to release the steel plate, and the unwinding machine comprises a frame, on which a support assembly for supporting the steel coil is rotatably arranged;

[0007] The feeding equipment is used to convey the steel plate. The feeding equipment includes a pressure roller and an active roller arranged up and down, and a first passage for the steel plate to pass through is reserved between the active roller and the pressure roller. One end of the active roller is connected to a motor for driving the active roller.

[0008] The stamping equipment is used for stamping steel plates, and includes a mounting platform on which are arranged several stamping mechanisms and a shearing die distributed along a straight line. Each stamping mechanism includes at least one stamping unit, and a driving unit for driving the stamping unit to move in a direction perpendicular to the plate conveying direction. The stamping unit includes a die frame slidably connected to the mounting platform and a stamping die installed in the die frame. The die frame is provided with a stamping hydraulic cylinder for pushing the stamping die to close the die.

[0009] As a further optimization of the invention of a panel production line for steel office furniture: each of the stamping mechanisms includes two stamping units, the driving mechanism includes a first lead screw and a second lead screw corresponding to the two stamping units, a power connecting block is fixedly connected to the mold frame, the first lead screw and the second lead screw pass through the corresponding power connecting block and can drive the power connecting block to reciprocate, a light rod is coaxially fixedly connected to the end of the second lead screw, and the light rod extends to be flush with the end of the first lead screw away from the second lead screw, a feed trough is provided on the side wall of the mold frame, and the openings of the two feed troughs in one stamping mechanism are arranged opposite to each other and connected.

[0010] As a further optimization of the invention of a panel production line for steel office furniture: the mold frame includes two relatively arranged fixed side panels, the top and bottom of the fixed side panels are respectively provided with a top plate and a bottom plate, the top plate, the bottom plate and the two fixed side panels enclose a accommodating space for accommodating the stamping mold, and the top plate is provided with a sensing plate that can move synchronously along the piston rod of the hydraulic cylinder, and two sensors that can sense the position of the sensing plate and are distributed along the movement direction of the piston rod.

[0011] As a further optimization of the invention of a panel production line for steel office furniture: a sliding rod is slidably arranged on the top plate, the top end of the sliding rod is located above the top plate and fixedly connected to the induction plate, the bottom end of the sliding rod is located below the top plate and connected to the piston rod, the bottom end of the sliding rod is fixedly connected to a movable plate, a push plate is fixedly sleeved on the piston rod, the movable plate is located below the push plate and on the movement trajectory of the push plate, and the part of the sliding rod located at the induction plate and the top plate is sleeved with a second spring that pushes the induction plate to move upward.

[0012] As a further optimization of the invention of a panel production line for steel office furniture: the stamping equipment also includes a steel plate guiding mechanism located in front of the stamping mechanism, the steel plate guiding mechanism includes a positioning assembly and two parallel fixed plates for fixedly connected to the mounting platform, the positioning assembly includes a third lead screw and a positioning block, the third lead screw is rotatably connected to one of the fixed plates and extends toward the other fixed plate, the third lead screw passes through the positioning block and can drive the positioning block to reciprocate horizontally, guide rods that can pass through the positioning block and are fixedly connected to the fixed plate are arranged on both sides of the third lead screw, a guide block is sleeved on the center position of the guide rod, and the horizontal position of the guide block is higher than the horizontal position of the third lead screw.

[0013] As a further optimization of the invention of a panel production line for steel office furniture: the feeding equipment includes a carrying box and a photoelectric sensing mechanism, the pressure roller and the active roller are arranged up and down on the carrying box, the photoelectric sensing mechanism includes a first photoelectric sensor and a second photoelectric sensor which are arranged up and down on the sides of the carrying box, after the feeding equipment sends out the steel plate, the steel plate can pass in front of the first photoelectric sensor and the second photoelectric sensor, the first photoelectric sensor is used to sense a first distance between the steel plate and the second photoelectric sensor is used to sense a second distance between the steel plate and the steel plate.

[0014] As a further optimization of the invented panel production line for steel office furniture: two opposite mounting side panels are fixedly arranged above the carrying box, a cover plate parallel to the top of the carrying box is connected between the two mounting side panels, the pressure roller and the active roller are located between the two mounting side panels, the feeding equipment includes a leveling mechanism, the leveling mechanism includes an upper roller unit and a lower roller unit arranged up and down, and a second channel is left between the upper roller unit and the lower roller unit, and the upper roller unit and the lower roller unit are both rotatably connected to the mounting side panels.

[0015] As a further optimization of the invention of a panel production line for steel office furniture: a sliding shaft is provided on the frame, and the sliding shaft can slide along its own axial direction, the supporting assembly is provided on the sliding shaft, the supporting assembly includes a sleeve rotatably sleeved on the sliding shaft and capable of sliding synchronously with the sliding shaft, and a plurality of supporting plates evenly distributed along the circumference of the sleeve, the supporting plate extends axially along the sleeve and is connected to the sleeve through a plurality of connecting rods, the two ends of the connecting rod are respectively rotatably connected to the sleeve and the supporting plate, a turntable rotatably connected to the frame is coaxially sleeved on the sliding shaft, and the turntable is slidably connected to the end of the support plate, and the supporting plate is driven to slide radially along the turntable during the sliding process of the sliding shaft, and at least one support plate is provided with two limit frames for limiting the position of the steel plate, and the two limit frames are distributed along the axial direction of the sliding shaft.

[0016] As a further optimization of the invention of a panel production line for steel office furniture: the limit frame is slidably arranged along the support plate and can be fixed, the limit frame includes two limit plates arranged in a V-shape, the ends of the limit plates are bent toward the other limit plates to form a bent portion, and a first connecting plate is also connected between the middle parts of the two limit plates, and a space is formed between the first connecting plate and the bent portion so that the edge of the support plate can enter, and a locking bolt is arranged on the connecting plate, and the locking bolt can be tightened against the surface of the support plate away from the sleeve during rotation, and the bent portion can be tightened against the surface of the support plate facing the sleeve.

[0017] As a further optimization of the invention of a panel production line for steel office furniture: the limit frame includes two limit plates arranged opposite to each other and rotatably connected by a rotating shaft, a support rod for pushing the two limit plates to rotate oppositely is slidably arranged between the two limit plates, and a spring for pulling the two limit plates to rotate relative to each other, the end of the limit plate is bent toward the other limit plate to form a bent portion, and the bent portion can be pressed against the surface of the support plate facing the sleeve.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The present invention sets up a plurality of stamping mechanisms and a shearing die distributed along a straight line, each stamping mechanism includes at least one stamping unit and a driving unit for driving the stamping unit to move in a direction perpendicular to the plate conveying direction. The number of stamping units is adjusted according to the size of the workpiece and the stamping units are combined. The stamping units are driven to move by the driving mechanisms, and then the positions of the stamping units are adjusted to adapt to steel plates of different widths. The production cost can be reduced, and the stamping units can be adjusted individually without removing them from the machine tool, thereby simplifying the adjustment process and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention;

[0021] Figure 2 is a schematic diagram of the structure of the drive unit;

[0022] Figure 3 It is a top view inside the installation platform;

[0023] Figure 4 It is a schematic diagram of the structure inside the installation platform;

[0024] Figure 5 It is a structural diagram of the mold frame;

[0025] Figure 6 It is a structural schematic diagram of the stamping unit;

[0026] Figure 7 is a cross-sectional view of the mold frame;

[0027] Figure 8 It is a partial enlarged view of B of the present invention;

[0028] Fig. 9 It is a side view of the feeding equipment;

[0029] Fig.10 It is a schematic diagram of the coordination between the driving roller, the pressure roller, the first roller, the intermediate shaft and the second roller;

[0030] Fig.11 It is a schematic diagram of the coordination of the adjustment handle, the pressure plate and the cover plate;

[0031] Fig.12 This is a partial enlarged view of point A;

[0032] Fig.13 It is a structural schematic diagram of the limit frame;

[0033] Fig.14 It is a side view of the limit frame;

[0034] Markings in the figure: 1, unwinding machine, 1001, frame, 1002, bottom plate, 1003, pad, 1004, turntable, 1005, slide, 1006, sliding shaft, 1007, driving hydraulic cylinder, 1008, baffle, 1009, support plate, 1010, connecting rod, 1011, fixing bar, 1012, limiting column, 1013, sleeve, 1014, connecting bar, 1015, limiting frame, 1016, limiting plate, 1017, bending part, 1018, first connecting plate, 1019, first spring, 1020, support rod, 1021, sliding hole;

[0035] 2. Feeding equipment, 2001. Carrying box, 2002. Mounting side plate, 2003. Cover plate, 2004. First slide plate, 2005. Second slide plate, 2006. Transition roller, 2007. First extension plate, 2008. Feeding slide rail, 2009. Pipe position wheel, 2010. Adjustment handle, 2011. First adjustment screw, 2012. Second adjustment nut, 2013. Return spring, 2014. Second connecting plate, 2015. Connecting shaft, 2016. Second adjustment screw, 2017. Wheel, 2018. Second extension plate, 20 19. connecting shaft, 2020. blocking wheel, 2021. positioning ring, 2022. driving roller, 2023. pressure roller, 2024. first roller, 2025. pressure plate, 2026. mounting seat, 2027. mounting shaft, 2028. mounting block, 2029. first mounting plate, 2030. supporting shaft, 2031. first adjusting nut, 2032. vertical hole, 2033. horizontal hole, 2034. scale bar, 2035. intermediate shaft, 2036. second roller, 2037. first photoelectric sensor, 2038. second photoelectric sensor;

[0036] 3. Stamping equipment, 3001. Mounting platform, 3002. Second mounting plate, 3003. Stamping slide rail, 3004. Steel plate guide mechanism, 3005. Fixed plate, 3006. Third lead screw, 3007. Positioning block, 3008. Guide rod, 3009. Guide block, 3010. Die frame, 3011. Slider, 3012. Stamping hydraulic cylinder, 3013. Blanking hole, 3014. Power connection block, 3015. Overfeed chute, 3016. Mounting hole, 3017 , material guide machine, 3018, shearing die, 3019, induction plate, 3020, sliding rod, 3021, second spring, 3022, moving plate, 3023, third rotary support assembly, 3024, material guide plate, 3025, push plate, 3026, sensor, 3027, fixing plate, 3028, long hole, 3029, first lead screw, 3030, first rotary support assembly, 3031, second lead screw, 3032, second rotary support assembly, 3033, light rod. DETAILED DESCRIPTION

[0037] The technical solution of the present invention is further elaborated in detail below in conjunction with specific embodiments. The parts of the present invention that are not described and disclosed in detail in the following embodiments should be understood as the prior art known or should be known to those skilled in the art, such as the structure of the shearing die 3018, how the control unit obtains the sensing signal of the sensor 3026, how the control unit controls the piston rod to change the movement direction, how the steel plate guiding mechanism 3004 is installed on the mounting platform 3001, the structure of the material guide machine 3017, the models of the driving hydraulic cylinder 1007 and the stamping hydraulic cylinder 3012, etc.

[0038] A panel production line for steel office furniture, such as Figure 1 As shown, it includes an unwinding machine 1, a feeding device 2 and a punching device 3; Figures 12 to 14As shown, the unwinding machine 1 is used to release the steel plate. The unwinding machine 1 includes a frame 1001, on which a support assembly for supporting the steel coil is rotatably arranged. The frame 1001 is a box-type structure. The frame 1001 is installed on a rectangular support plate, and pads 1003 are fixedly arranged at the four corners of the support plate. The pads 1003 are connected to the support plate by bolts. The frame 1001 is provided with a sliding shaft 1006, and the sliding shaft 1006 can slide along its own axis. The frame 1001 is provided with a driving hydraulic cylinder 1007 for driving the sliding shaft 1006 to slide. The driving hydraulic cylinder 1007 and the sliding shaft 1006 are located on both sides of the frame 1001. The cylinder body of the driving hydraulic cylinder 1007 is connected to the frame 1001 by bolts, and the piston of the driving hydraulic cylinder 1007 extends into the frame 1001; one end of the sliding shaft 1006 extends into the frame 1001 and is coaxially fixedly connected with the piston, and the other end of the sliding shaft 1006 extends out of the frame 1001. The support assembly is arranged on the sliding shaft 1006, and the support assembly includes a sleeve 1013 that is rotatably sleeved on the sliding shaft 1006 and can slide synchronously with the sliding shaft 1006, and a plurality of support plates 1009 that are evenly distributed along the circumference of the sleeve 1013. The sleeve 1013 is close to the end of the sliding shaft 1006 that extends out of the frame 1001; in this embodiment, the sleeve 1013 is a cylindrical structure with two ends open and its inner diameter is equal to the outer diameter of the sliding shaft 1006; one end surface of the sleeve 1013 is flush with the end surface of the sliding shaft 1006 that extends out of the frame 1001, and the other end surface of the sleeve 1013 is at a certain distance from the frame 1001 to ensure that the sliding shaft 1006 can slide smoothly along its own axial direction and avoid collision between the sleeve 1013 and the frame 1001 during the sliding process of the sliding shaft 1006. A baffle 1008 is fixedly connected to the end of the sliding shaft 1006 that is away from the frame 1001.

[0039] Each support plate 1009 extends along the axial direction of the sleeve 1013 and is connected to the sleeve 1013 through a plurality of connecting rods 1010. The two ends of the connecting rod 1010 are respectively rotatably connected to the sleeve 1013 and the support plate 1009. The support plate 1009 is an arc-shaped plate-shaped mechanism concave toward the sleeve 1013, and the length direction of the support plate 1009 is parallel to the axial direction of the sleeve 1013. The number of support plates 1009 is 3-6. In this embodiment, the number of support plates 1009 is 4 and is evenly distributed along the circumference of the sleeve 1013. Each support plate 1009 is connected to the sleeve 1013 through a plurality of connecting rods 1010. In this embodiment, each support plate 1009 is connected through 8 connecting rods 1010. The 8 connecting rods 1010 are evenly divided into 4 groups. The 4 groups of connecting rods 1010 are evenly distributed along the axial direction of the sliding shaft 1006, and the 2 connecting rods 1010 in each group are distributed along the circumference of the sliding shaft 1006. The connection method of the connecting rod 1010 and the support plate 1009 is that a fixing bar 1011 extending axially along the sliding shaft 1006 is fixedly provided on one side of the support plate 1009 close to the sleeve 1013, and the fixing bar 1011 is located at the center of the support plate 1009. The fixing bar 1011 is a rectangular parallelepiped structure, and the length direction of the fixing bar 1011 is parallel to the axial direction of the sliding shaft 1006. The fixing bar 1011 and the support plate 1009 are connected by bolts or welding. In this embodiment, the connection method of the two is welding. The ends of the connecting rod 1010 are rotatably connected to the fixing bar 1011. In this embodiment, the two connecting rods 1010 in each group are located on both sides of the fixing bar 1011, and the ends of the connecting rod 1010 are rotatably connected to the fixing bar 1011 through an axis.

[0040] The connection between the connecting rod 1010 and the sleeve 1013 is that the outer wall of the sleeve 1013 is fixedly provided with a connecting strip 1014 corresponding to the support plate 1009, that is, the number of the connecting strips 1014 is the same as the number of the support plates 1009, the number of the connecting strips 1014 is 4, and the connection between the connecting strips 1014 and the sleeve 1013 is welding or bolt connection. In this embodiment, the connection between the two is welding. Multiple connecting strips 1014 are evenly distributed along the circumference of the sleeve 1013 and extend along the circumference of the sleeve 1013, and the end of the connecting rod 1010 is rotatably connected to the connecting strip 1014 through a shaft.

[0041] A turntable 1004 rotatably connected to the frame 1001 is coaxially sleeved on the sliding shaft 1006. The turntable 1004 and the sliding shaft 1006 are located on the same side of the frame 1001. The turntable 1004 includes a first annular plate rotatably connected to the frame 1001 and a second annular plate coaxially parallel to the second annular plate. The first annular plate and the second annular plate are connected by a connecting tube coaxial with the two, so that an avoidance gap is formed between the first annular plate and the second annular plate. The turntable 1004 is slidably connected to the end of the support plate 1009. During the sliding process of the sliding shaft 1006, the support plate 1009 is driven to slide radially along the turntable 1004. A sliding groove 1005 is provided on the turntable 1004. The number of the sliding grooves 1005 is the same as the number of the support plates 1009. The sliding grooves 1005 are long strip structures extending along their radial directions. One end of the fixed bar 1011 passes through the sliding groove 1005, and the fixed bar 1011 is provided with two limiting columns 1012 respectively attached to both sides of the turntable 1004. The setting of the two limiting columns 1012 limits the axial movement of the support plate 1009 along the sliding shaft 1006. When installing the steel plate, the sliding shaft 1006 moves to the right, so that the support plate 1009 is close to the sleeve 1013, and the steel plate is sleeved on the support plate 1009; the hydraulic cylinder 1007 is driven to drive the sliding shaft 1006 to move to the left. At this time, the sliding shaft 1006 drives the sleeve 1013 to move to the left, and the limit column 1012 and the turntable 1004 block the support plate 1009 from moving to the left, thereby making the support plate 1009 slide radially along the sliding shaft 1006, that is, the support plate 1009 is away from the sleeve 1013 to support the steel plate and has a tensioning effect on the steel plate; at the same time, the support diameter of the unwinder 1 can be adjusted by adjusting the distance that the sliding shaft 1006 moves to the left, that is, the support diameter can be flexibly adjusted to adapt to steel plates with different inner diameters, thereby improving the flexibility of the unwinder 1.

[0042] The outer wall of the limiting column 1012 is wrapped with a buffer pad, which can protect the end surface of the turntable 1004 and the limiting column 1012. Two limiting frames 1015 for limiting the position of the steel plate are arranged on at least one support plate 1009. The two limiting frames 1015 are distributed along the axial direction of the sliding shaft 1006 and are used to adjust the position of the steel plate in the axial direction of the sliding shaft 1006 so that the position of the steel plate corresponds to the position of the mold, thereby preventing the steel plate from being offset relative to the mold position and causing deformation of the steel plate.

[0043] The limit frame 1015 is slidably arranged along the support plate 1009 and can be fixed. The limit frame 1015 includes two limit plates 1016 arranged in a V-shape. The ends of the limit plates 1016 are bent toward the other limit plates 1016 to form a bending portion 1017. A first connecting plate 1018 is also connected between the middle parts of the two limit plates 1016. A space is formed between the first connecting plate 1018 and the bending portion 1017 so that the edge of the support plate 1009 can enter. A locking bolt is arranged on the connecting plate. During the rotation of the locking bolt, the locking bolt can be pressed against the surface of the support plate 1009 facing away from the sleeve 1013, and the bending portion 1017 can be pressed against the surface of the support plate 1009 facing the sleeve 1013. Specifically, when installing the limiting frame 1015, first install the limiting frame 1015 near the position of the frame 1001, adjust the position of the limiting frame 1015 so that the steel plate can correspond to the mold, rotate the locking bolt, so that the locking bolt and the bending portion 1017 are respectively pressed against the surface of the support plate 1009, and the limiting frame 1015 is fixed; then, the steel plate is sleeved on the support plate 1009; finally, install the limiting frame 1015 at a position away from the frame 1001. When replacing the steel plate, first rotate the locking bolt on the limiting frame 1015 at a position away from the frame 1001, release the conflict between the bending portion 1017 and the locking bolt and the surface of the support plate 1009, slide the limiting frame 1015 to make it detach from the support plate 1009, sleeve the new steel plate on the support plate 1009, and then reinstall the removed limiting frame 1015 on the support plate 1009.

[0044] The limiting frame 1015 includes two limiting plates 1016 that are arranged opposite to each other and are rotatably connected via a rotating shaft. The ends of the two limiting plates 1016 are rotatably connected via the rotating shaft. A support rod 1020 for pushing the two limiting plates 1016 to rotate in opposite directions and a spring for pulling the two limiting plates 1016 to rotate relative to each other are slidably arranged between the two limiting plates 1016. The ends of the limiting plates 1016 are bent toward the other limiting plate 1016 to form a bent portion 1017, and the bent portion 1017 can be pressed against the surface of the supporting plate 1009 facing the sleeve 1013. The support rod 1020 is arranged at a position close to the rotating shaft, the first spring 1019 is arranged at a position close to the bent portion 1017, and the two ends of the first spring 1019 are respectively suspended on the corresponding limiting plates 1016. The limit plate 1016 is provided with a sliding hole 1021 extending along its length direction, and the two ends of the support rod 1020 are slidably arranged in the sliding hole 1021. When installing the limit frame 1015, the support rod 1020 is pushed to slide upward, so that the support rod 1020 pushes the two limit plates 1016 to rotate oppositely, thereby increasing the opening between the two limits, and the limit frame 1015 is clamped on the support plate 1009, that is, the bending portion 1017 is located on the side of the support plate 1009 close to the sleeve 1013, and then, the first spring 1019 pulls the two limit plates 1016 to rotate towards each other until the support plate 1009 enters the interval formed by the bending portion 1017 and the limit plate 1016, and makes the bending portion 1017 and the support plate 1009 close to the surface of the sleeve 1013, that is, when the limit frame 1015 is installed, it is not necessary to slide back and forth on the support plate 1009, which is convenient for the installation of the limit frame 1015.

[0045] like Figures 8 to 11 As shown, the feeding device 2 is used to convey the steel plate. The feeding device 2 includes a pressure roller 2023 and an active roller 2022 arranged up and down, and a first channel for the steel plate to pass through is reserved between the active roller 2022 and the pressure roller 2023. One end of the active roller 2022 is connected to a motor for driving the active roller 2022, and the active roller 2022 and the pressure roller 2023 are driven by a gear pair; the active roller 2022 and the pressure roller 2023 form a conveying mechanism, and the conveying mechanism is set to two and distributed along the conveying direction of the steel plate. The motor rotates, driving the active roller 2022 to rotate together, and the pressure roller 2023 drives the active roller 2022 to rotate together through the gear pair. The fixed sleeve on the active roller 2022 is provided with a driving gear, and the fixed sleeve on the pressure roller 2023 is provided with a clamping gear, and the driving gear and the clamping gear cooperate with each other to form a gear pair. The models of the motor, the active roller 2022, the pressure roller 2023, the driving gear and the clamping gear are conventional existing technologies in this field, and will not be described in detail here. The gear pair is conventional in the art and will not be described in detail here.

[0046] The feeding device 2 includes a carrying box 2001 and a photoelectric sensing mechanism. The pressure roller 2023 and the active roller 2022 are arranged on the carrying box 2001 from top to bottom. The photoelectric sensing mechanism includes a first photoelectric sensor 2037 and a second photoelectric sensor 2038 which are arranged on the sides of the carrying box 2001 from top to bottom. After the feeding device 2 sends out the steel plate, the steel plate can pass in front of the first photoelectric sensor 2037 and the second photoelectric sensor 2038. The first photoelectric sensor 2037 is used to sense the first distance between the steel plate and the second photoelectric sensor 2038 is used to sense the second distance between the steel plate and the steel plate.

[0047] The first photoelectric sensor 2037 and the second photoelectric sensor 2038 are both connected to a controller. The first photoelectric sensor 2037 includes a first transmitter and a first receiver. The second photoelectric sensor 2038 includes a second transmitter and a second receiver. When the conveying speed of the steel plate is too slow, the distance between the steel plate conveyed from the feeding device and the ground increases; when the conveying speed of the steel plate is too fast, the distance between the steel plate conveyed from the feeding device and the ground decreases. The light emitted by the first transmitter is reflected back by the steel plate, and the first receiver receives the reflected light reflected back by the steel plate and calculates the first distance between the steel plate and the first receiver. The controller adjusts the feeding speed of the feeding device according to the first distance. When the first distance is greater than the first threshold, it indicates that a large number of steel plates enter the stamping device 3, and the pre-stored steel plates are insufficient, and the feeding speed of the feeding device 2 needs to be accelerated to avoid the insufficient steel plates causing the stamping device 3 to fail to act on the steel plates during the stamping process; when the first distance is less than the first threshold, it indicates that there are too many pre-stored steel plates, and the feeding speed of the feeding device 2 needs to be reduced to avoid the steel plates being offset during stamping due to too many pre-stored steel plates. The light emitted by the second transmitter is reflected by the steel plate, and the second receiver receives the reflected light reflected by the steel plate and calculates the second distance between the second receiver and the steel plate. The controller controls the feeding device to feed the material according to the second distance. If only the second photoelectric sensor 2038 is provided, only judging whether to start feeding cannot well ensure the matching of the feeding speed and the processing speed. Under the joint action of the first photoelectric sensor 2037 and the second photoelectric sensor 2038, the mismatch between the feeding speed and the processing speed is avoided, and the processing accuracy is improved. The models of the first photoelectric sensor 2037 and the second photoelectric sensor 2038, and how the first photoelectric sensor 2037 and the second photoelectric sensor 2038 are connected to the controller are conventional existing technologies in the field, and will not be described in detail here.

[0048] Two mounting seats 2026 are fixedly arranged on the carrying box 2001, and the two mounting seats 2026 are connected by a mounting shaft 2027. Two mounting blocks 2028 are slidably arranged on the mounting shaft 2027, and the position of the mounting blocks 2028 can be fixed. The mounting blocks 2028 can be matched with the mounting shaft 2027 by bolts. After the bolts pass through the mounting blocks 2028, they can be pressed against the mounting shaft 2027 to fix the position of the mounting blocks 2028. The first photoelectric sensor 2037 and the second photoelectric sensor 2038 are mounted on the mounting blocks 2028 in a one-to-one correspondence. A first mounting plate 2029 is detachably connected to the mounting block 2028, and the first photoelectric sensor 2037 or the second photoelectric sensor 2038 is connected to the first mounting plate 2029. A horizontal hole 2033 and a vertical hole 2032 are provided on the surface where the first mounting plate 2029 and the mounting block 2028 are connected, and the vertical hole 2032 is above the horizontal hole 2033. Bolts pass through the horizontal hole 2033 and the vertical hole 2032 to complete the connection between the first mounting plate 2029 and the mounting block 2028, so that the first mounting plate 2029 can be twisted to a certain extent along the vertical hole 2032, thereby realizing a change in the angle of light emission of the first photoelectric sensor 2037 and / or the second photoelectric sensor 2038. In order to support the mounting seats 2026, two support shafts 2030 are fixedly arranged between the two mounting seats 2026, and a channel is formed between the two support shafts 2030 for the light emitted by the first photoelectric sensor 2037 and the second photoelectric sensor 2038 to pass through, which will not interfere with the use of the first photoelectric sensor 2037 and the second photoelectric sensor 2038.

[0049] Two opposite mounting side plates 2002 are fixedly arranged above the carrying box 2001, and a cover plate 2003 parallel to the top of the carrying box 2001 is connected between the two mounting side plates 2002. The pressure roller 2023 and the active roller 2022 are located between the two mounting side plates 2002. The feeding device 2 includes a leveling mechanism, which includes an upper roller unit and a lower roller unit arranged up and down, and a second channel is reserved between the upper roller unit and the lower roller unit, and the steel plate can pass through the second channel. In order not to affect the work of the upper roller unit and the lower roller unit, the upper roller unit and the lower roller unit are both rotatably connected to the mounting side plates 2002. The upper roller unit includes a plurality of first rollers 2024 evenly distributed along the first straight line, and the first rollers 2024 are set to three. The first slide plates 2004 are rotatably connected at both ends of the first rollers 2024. The first slide plates 2004 are slidably connected to the mounting side plates 2002. The cover plate 2003 is provided with an adjustment assembly, and the adjustment assembly includes at least one second adjustment screw 2016. A wheel 2017 is fixedly provided at one end of the second adjustment screw 2016 located above the cover plate 2003, so as to facilitate manual manipulation by an operator. The second adjustment screw 2016 passes through the cover plate 2003 and abuts against the first slide plate 2004. The second adjustment screw 2016 is fixed to the cover plate 2003 through a second adjustment nut 2012. The second adjustment nut 2012 is fixed to the cover plate 2003, and the second adjustment nut 2012 is screwed to the second adjustment nut 2012 and passes through the cover plate 2003. By rotating the wheel 2017, the second adjusting screw 2016 rotates downward. The second adjusting screw 2016 is rotatably connected to the second slide plate 2005, and will move the second slide plate 2005 downward. In order to know the distance the second slide plate 2005 moves downward, a scale bar 2034 corresponding to the second adjusting screw 2016 is provided on the mounting side plate 2002.

[0050] The lower roller unit includes a plurality of second rollers 2036 distributed along the second straight line, and a distance is left between the first roller 2024 and the second roller 2036, which is the second channel, and the second rollers 2036 are set to 4. Both ends of the second roller 2036 are fixedly sleeved with A gears, and the inner side of the mounting side plate 2002 is rotatably provided with a plurality of intermediate shafts 2035 corresponding to the second rollers 2036, and the intermediate shafts 2035 are located below the second rollers 2036, and the intermediate shafts 2035 are fixedly sleeved with B gears, and the A gears and the B gears are meshed. The second rollers 2036 and the intermediate shafts 2035 are both set to 4, and two second rollers 2036 and two intermediate shafts 2035 corresponding to the second rollers 2036 are a group with one of the active rollers 2022, and one end of the two active rollers 2022 without the active gear is fixedly sleeved with a transmission gear, and the two transmission gears are driven by a chain, and at this time, only one motor can be set. The motor drives the driving gear on one of the driving rollers 2022 and the driving gear on the driving roller 2022 to rotate, and the other driving roller 2022 will also rotate together. When the driving gear rotates, there is a B gear meshing with the driving gear. At this time, the B gear rotates, and then drives the A gear meshing with the B gear to rotate. The rotation direction of the A gear is consistent with that of the driving roller 2022. At this time, the rotation direction of the second roller 2036 is consistent with that of the driving roller 2022; the A gear rotates, driving the other B gear to rotate. At this time, the B gear drives the A gear meshing with it to rotate, so that the rotation direction of the A gear is consistent with that of the driving roller 2022. At this time, the rotation direction of the second roller 2036 is consistent with that of the driving roller 2022; the working process of the other driving roller 2022 is consistent with this.

[0051] In order to adjust the distance between the active roller 2022 and the pressure roller 2023 in case of emergency, a pressure plate 2025 is provided between the cover plate 2003 and the pressure roller 2023, and the pressure plate 2025 is fixedly connected to the first slide plate 2004. An adjustment handle 2010 is provided on the cover plate 2003, and an extension shaft is rotatably provided on the adjustment handle 2010, and the extension shaft is fixedly connected to the pressure plate 2025 after passing through the cover plate 2003. The portion where the adjustment handle 2010 contacts the cover plate 2003 is set as an arc surface, and the portion where the extension shaft passes through the cover plate 2003 is sleeved with an adjustment spring. The rotation of the adjustment handle 2010 drives the extension shaft to move to a certain extent, thereby driving the pressure plate 2025 to move to a certain extent. The two ends of the adjustment spring are respectively connected to the pressure plate 2025 and the bottom surface of the cover plate 2003 to help the pressure plate 2025 to reset.

[0052] The two ends of the pressure roller 2023 are rotatably connected with the second slide plate 2005, and the second slide plate 2005 is slidably connected with the mounting side plate 2002 in a one-to-one correspondence. The two ends of the active roller 2022 are rotatably connected with the mounting side plate 2002 in a one-to-one correspondence. A pre-tightening component for pushing the pressure roller 2023 downward is provided on the cover plate 2003. The pre-tightening component adjusts the pre-tightening force so that the second slide plate 2005 can slide to a suitable position on the mounting side plate 2002 to change the size of the first channel and ensure the smooth passage of the steel plate. The models of the motor, active roller 2022, pressure roller 2023, active gear and clamping gear are conventional existing technologies in this field, and will not be described in detail here. The gear pair is conventional existing technologies in this field, and will not be described in detail here.

[0053] The preload assembly includes a first adjusting screw 2011 and a connecting piece. One end of the first adjusting screw 2011 movably passes through the connecting piece and is fixedly connected to the cover plate 2003. The other end of the first adjusting screw 2011 is provided with a first adjusting nut 2031. A return spring 2013 is sleeved on the first adjusting screw 2011. One end of the return spring 2013 abuts against the first adjusting nut 2031, and the other end of the return spring 2013 abuts against the connecting piece. The connecting piece movably passes through the cover plate 2003 and is fixedly connected to the second slide plate 2005. By turning the first adjusting nut 2031 on the first adjusting screw 2011, the return spring 2013 is compressed. At this time, the other end of the return spring 2013 moves against the connecting piece in order to reset, so that the connecting piece drives the first slide plate 2004 to slide on the mounting side plate 2002, thereby changing the distance between the pressure roller 2023 and the active roller 2022. The connecting member includes two connecting shafts 2015, one end of the two connecting shafts 2015 is connected through a second connecting plate 2014, and the second connecting plate 2014 is located above the cover plate 2003, the first adjusting screw 2011 passes through the second connecting plate 2014 and is screwed to the cover plate 2003, one end of the return spring 2013 rests on the second connecting plate 2014, and the other ends of the two connecting shafts 2015 move through the cover plate 2003 and are connected to the second slide plate 2005.

[0054] The feeding device 2 includes two first extension plates 2007, which are connected to the mounting side plates 2002 in a one-to-one correspondence. The two first extension plates 2007 are close to the feeding direction. A transition roller 2006 and a feeding slide rail 2008 are arranged between the two first extension plates 2007, and when the steel plate is conveyed, the steel plate enters the first channel and the second channel with the help of the transition roller 2006. A through hole is provided on the first extension plate 2007 for the roller shaft of the transition roller 2006 to pass through, so as to facilitate the installation of the transition roller 2006. Two pipe position wheels 2009 are slidably arranged on the feeding slide rail 2008, and the steel plate can pass between the two pipe position wheels 2009. The distance between the two pipe position wheels 2009 can be adjusted according to the actual width of the steel plate, so that the steel plate can be leveled to a certain extent when feeding. The specific structure, model and working principle of the pipe position wheel 2009, how the pipe position wheel 2009 is installed on the feeding slide rail 2008, and the model of the transition roller 2006 are conventional existing technologies in this field, and will not be described in detail here. The feeding device 2 includes two second extension plates 2018, and the second extension plates 2018 are connected to the mounting side plates 2002 in a one-to-one correspondence. The two second extension plates 2018 are close to the discharge direction. A connecting shaft 2019 is provided between the two second extension plates 2018. Two stop wheels 2020 are sleeved on the connecting shaft 2019. The distance between the two stop wheels 2020 is adjusted according to the width of the steel plate, and the steel plate can be leveled to a certain extent when discharging. In order to ensure the convenience of adjusting the distance between the stop wheels 2020 and fixing the position of the stop wheels 2020, the stop wheels 2020 are coaxially connected with a positioning ring 2021, and the positioning ring 2021 is sleeved on the connecting shaft 2019, and the positioning bolts are penetrated on the positioning ring 2021. The locating ring 2021 is fixed at a suitable position on the connecting shaft 2019 by means of locating bolts.

[0055] like Figures 2 to 7As shown, the stamping equipment 3 is used for stamping steel plates, including a mounting platform 3001, the mounting platform 3001 including a second mounting plate 3002 arranged horizontally and a support frame for supporting the second mounting plate 3002, and a plurality of cabinet doors (not shown in the figure) are arranged on the support frame, so that the plate stamping machine is a closed machine. The mounting platform 3001 is provided with a plurality of stamping mechanisms and a shearing die 3018 distributed along a straight line, and the steel plate is fed from left to right, and the plurality of stamping mechanisms and the shearing die 3018 on the mounting platform 3001 are arranged in sequence along the conveying direction of the plate, and the number of stamping mechanisms is determined according to the length of the hole to be punched on the steel plate. In this embodiment, the number of stamping mechanisms is 3, and they are distributed along the conveying direction of the plate, and the shearing die 3018 is located at the edge of the mounting platform 3001, and is used to shear the steel plate. Each punching mechanism includes at least one punching unit and a driving unit for driving the punching unit to move perpendicular to the sheet conveying direction. The driving unit drives the punching unit to move perpendicular to the sheet conveying direction to adapt to steel plates of different widths; or by adjusting the punching unit, punching holes with different distances from the edge of the steel plate are punched on the steel plate. The driving unit can drive each punching unit separately, and the punching units can be combined more flexibly to adapt to steel plates with different punching requirements.

[0056] The stamping unit includes a die frame 3010 slidably connected to the mounting platform 3001 and a stamping die installed in the die frame 3010. The die frame 3010 is installed on the second mounting plate 3002. A stamping hydraulic cylinder 3012 for pushing the stamping die to close the die is provided on the die frame 3010. The die frame 3010 includes two fixed side plates arranged opposite to each other, and a top plate and a bottom plate 1002 are respectively provided on the top and bottom of the fixed side plates. The top plate, the bottom plate 1002 and the two fixed side plates enclose a receiving space for receiving the stamping die. The two ends of the receiving space are open, and the top plate and the bottom plate 1002 are parallel to each other and perpendicular to the fixed side plates. The connection method between the top plate and the two fixed side plates can be welding, bolt connection or clamping. The connection method between the top plate and the fixed side plates is clamping and bolt connection, that is, the top of the two fixed side plates is opened on the side facing the accommodation space with a first groove opening toward the accommodation space, and the two ends of the top plate are correspondingly inserted into the two first grooves and connected by bolts; the connection method between the bottom plate 1002 and the two fixed side plates can be welding, bolt connection or clamping. The connection method between the bottom plate 1002 and the two fixed side plates is clamping, that is, the bottom of the two fixed side plates is opened on the side facing the accommodation space with a second groove opening toward the accommodation space, and the two ends of the bottom plate 1002 are correspondingly inserted into the two second grooves and connected by bolts. The fixed side plates, the top plate and the bottom plate 1002 are fixedly connected by adopting this connection method, which can improve the bearing capacity of the entire mold frame 3010 and further improve the stability of the mold frame 3010.

[0057] The housing of the stamping hydraulic cylinder 3012 is fixed above the top plate, and the free end of the piston rod of the stamping hydraulic cylinder 3012 passes through the top plate and is located below the top plate. The connection between the stamping hydraulic cylinder 3012 and the top plate is bolted. A feeding trough 3015 with one end open is provided on the side wall of the mold frame 3010. The opening direction of the feeding trough 3015 is the same as an opening direction of the accommodating space. During the steel plate stamping process, the position of the steel plate near the edge passes through the feeding trough 3015 and moves along the plate conveying direction. The feeding trough 3015 is provided on two fixed side plates, and the positions and opening directions of the feeding trough 3015 on the two fixed side plates are the same, so that the feeding troughs 3015 on the two fixed side plates are connected. A guide plate 3024 is fixedly provided on the side wall of the feeding trough 3015. The two sides of the guide plate 3024 are bent downward to form a bending portion. The two bending portions are located on both sides of the fixed side plate, so that the steel plate can pass through the feeding trough 3015.

[0058] The bottom plate 1002 is provided with a plurality of mounting holes 3016 for mounting the stamping die. The number of mounting holes 3016 is 3 and they are evenly distributed along the sheet conveying direction. The mounting hole 3016 in the middle is provided with an internal thread. The stamping die is pushed into the accommodating space. The lower template of the stamping die and the mounting hole 3016 in the middle are connected by bolts. Positioning pins are inserted into the two mounting holes 3016 at the edge. The outer wall of the positioning pin fits with the side wall of the lower template of the stamping die to achieve the positioning and fixation of the stamping die. The bottom plate 1002 is provided with a first discharge hole corresponding to the blanking hole 3013 on the stamping die, and the second mounting plate 3002 is provided with a second discharge hole connected to the first discharge hole. The size of the second discharge hole is larger than that of the first discharge hole. When the position of the stamping unit is adjusted, the second discharge hole is always connected to the first discharge hole, ensuring that the punched waste can smoothly pass through the first discharge hole and the second discharge hole and fall.

[0059] The top plate is provided with a sensing plate 3019 capable of synchronously moving along the piston rod of the hydraulic cylinder, and two sensors 3026 capable of sensing the position of the sensing plate 3019 and distributed along the movement direction of the piston rod, thereby limiting the stroke of the stamping hydraulic cylinder 3012. The sensing plate 3019 is located above the top plate, that is, a sliding rod 3020 is slidably provided on the top plate, and the sliding rod 3020 is a cylindrical structure. A hole with the same diameter as the sliding rod 3020 is opened on the top plate, and the sliding rod 3020 passes through the hole and the two ends are respectively located on both sides of the top plate. Specifically, the sliding rod 3020 is slidably provided on the top plate, and the top end of the sliding rod 3020 is located above the top plate and fixedly connected to the sensing plate 3019. The sensing plate 3019 is a circular plate structure coaxial with the sliding rod 3020, and the two are connected by a bolt located at the center of the sensing plate 3019. The bottom end of the slide bar 3020 is located below the top plate and connected to the piston rod. The bottom end of the slide bar 3020 is fixedly connected with a moving plate 3022. The moving plate 3022 is a circular plate-shaped mechanism coaxial with the slide bar 3020. The diameter of the moving plate 3022 is the same as the diameter of the sensing plate 3019, and the moving plate 3022 and the slide bar 3020 are connected by bolts located on the axes of the two. A push plate 3025 is fixedly sleeved on the piston rod. The moving plate 3022 is located below the push plate 3025 and on the movement trajectory of the push plate 3025, that is, the edge of the push plate 3025 extends between the upper surface of the moving plate 3022 and the lower surface of the top plate, and the stamping hydraulic cylinder 3012 pushes When the dynamic stamping die is closed, the piston rod moves downward so that the push plate 3025 pushes the movable plate 3022 to move downward; the part of the slide bar 3020 located at the induction plate 3019 and the top plate is sleeved with a second spring 3021 that pushes the induction plate 3019 to move upward, one end of the second spring 3021 is in conflict with the induction plate 3019, and the other end of the second spring 3021 is in conflict with the upper surface of the top plate. The second spring 3021 is compressed during the downward movement of the movable plate 3022. When the piston rod moves upward, the induction plate 3019, the slide bar 3020 and the movable plate 3022 move upward synchronously under the action of the restoring elastic force of the second spring 3021.

[0060] The sensor 3026 is arranged above the top plate and on one side of the sensing plate 3019. The sensor 3026 is connected to the top plate via a fixing plate 3027. Specifically, the fixing plate 3027 includes a vertical portion perpendicular to the top plate and a horizontal portion parallel to the top plate. The vertical portion and the horizontal portion are integrally connected, and the horizontal portion and the top plate are connected by bolts. A long hole 3028 is provided on the vertical portion, and the length direction of the long hole 3028 is parallel to the movement direction of the piston rod. The sensor 3026 is slidably arranged in the long hole 3028 and can be fixed. When the piston rod moves downward to push the stamping die to close the mold, the push plate 3025 pushes the moving plate 3022 to move downward, thereby driving the sensing plate 3019 to move downward until the sensing plate 3019 senses the sensor 3026 located below, that is, the sensor 3026 below senses the sensing plate 3019 and transmits the sensing signal to the control unit, and the control unit controls the piston rod to stop pushing the stamping die and move upward; under the action of the second spring 3021 restoring elastic force, the sensing plate 3019 moves upward until the sensing plate 3019 moves to the position of the upper sensor 3026, and the upper sensor 3026 senses the sensing plate 3019 and transmits the sensing signal to the control unit, and the control unit controls the piston rod to change the direction of movement, that is, the setting of the sensor 3026 is used to control the stroke of the piston rod. The setting of the long hole 3028 can adjust the position of the two sensors 3026, and then adjust the stroke of the stamping hydraulic cylinder 3012, so that the stamping hydraulic cylinder 3012 can adapt to different stamping dies.

[0061] A power connecting block 3014 is fixedly connected to the mold frame 3010, and the power connecting block 3014 is located on the side wall of the mold frame 3010. The driving mechanism includes a lead screw corresponding to the stamping unit one by one. Both ends of the lead screw are rotatably connected to the mounting platform 3001 through a slewing support assembly, and the lead screw passes through the power connecting block 3014 and can drive the power connecting block 3014 to reciprocate, thereby being able to adjust the position of the stamping unit to adapt to steel plates of different widths, thereby improving the scope of application of the present invention.

[0062] Each of the punching mechanisms includes two punching units, and the driving mechanism includes a first lead screw 3029 and a second lead screw 3031 corresponding to the two punching units. The first lead screw 3029 and the second lead screw 3031 are both rotatably connected to the second mounting plate 3002, and the length direction of the first lead screw 3029 and the second lead screw 3031 is perpendicular to the sheet conveying direction. The two ends of the first lead screw 3029 are connected to the second mounting plate 3002 through the first rotary support assembly 3030; the two ends of the second lead screw 3031 are connected to the second mounting plate 3002 through the second rotary support assembly 3032, and the end of the second lead screw 3031 is coaxially fixedly connected with a light rod 3033, and the light rod 3033 extends to be flush with the end of the first lead screw 3029 away from the second lead screw 3031. Specifically, in order to save space of the machine tool and reduce the size of the mounting platform 3001, the first lead screw 3029 is located above the second lead screw 3031; the two ends of the light rod 3033 are connected to the second mounting plate 3002 through the third slewing support assembly 3023 located below the first slewing support assembly 3030. A power connection block 3014 is fixedly connected to the mold frame 3010, and the power connection block 3014 is fixed to the side wall of the mold frame 3010. The power connection block 3014 is connected to the mold frame 3010 by bolt connection. The first lead screw 3029 and the second lead screw 3031 pass through the corresponding power connection block 3014 and can drive the power connection block 3014 to reciprocate. This arrangement can adjust the positions of the two stamping units separately on the same side, which is convenient for adjusting the stamping units. The punching mechanism also includes two punching slide rails 3003 fixedly connected to the mounting platform 3001 and parallel to each other. The punching slide rails 3003 are connected to the second mounting plate 3002 by bolts. The extending direction of the punching slide rails 3003 is perpendicular to the sheet conveying direction. The punching slide rails 3003 are slidably connected with a slider 3011 fixedly connected to the mold frame 3010. The slider 3011 is connected to the bottom plate 1002 of the mold frame 3010, and the connection method of the two is bolted. A feeding trough 3015 is provided on the side wall of the mold frame 3010, and the openings of the two feeding troughs 3015 in one punching mechanism are arranged oppositely and connected. The openings of the two feeding troughs 3015 in one punching mechanism are arranged oppositely and connected, and the steel plate can pass through the feeding trough 3015.

[0063] A material guide 3017 is arranged according to the spacing of the punching mechanisms to ensure smooth feeding of the steel plates. A material guide 3017 is arranged between the first punching mechanism and the second punching mechanism.

[0064] The stamping equipment 3 also includes a steel plate guiding mechanism 3004 located in front of the stamping mechanism, and the steel plate guiding mechanism 3004 includes two fixed plates 3005 arranged in parallel and fixedly connected to the mounting platform 3001, and guide wheels, a first guide wheel pair and a second guide wheel pair distributed along the feeding direction are arranged between the two fixed plates 3005, and a positioning component located between the first guide wheel pair and the second guide wheel pair is arranged on the fixed plate 3005, and the positioning component includes a third lead screw 3006 and a positioning block 3007, the third lead screw 3006 is rotatably connected to the fixed plate 3005 and extends toward the other fixed plate 3005, and the third lead screw 3006 passes through the positioning block 3007 to drive the positioning block 3007 to reciprocate horizontally, and guide rods 3008 that can pass through the positioning block 3007 and are fixedly connected to the fixed plate 3005 are arranged on both sides of the third lead screw 3006. A threaded hole matching the third lead screw 3006 is provided on the fixed plate 3005, and one end of the third lead screw 3006 extends out of the fixed plate 3005, and the other end of the third lead screw 3006 faces another fixed plate 3005; one end of the third lead screw 3006 extending out of the fixed plate 3005 is fixedly connected to a rotating disk, and rotating the rotating disk drives the third lead screw 3006 to rotate, thereby driving the positioning block 3007 to move in the horizontal direction, so as to more accurately position the steel plate.

[0065] A guide block 3009 is sleeved at the center of the guide rod 3008, and the horizontal position of the guide block 3009 is higher than that of the third lead screw 3006. During the steel plate transmission process, the lower surface of the steel plate is prevented from contacting with the thread of the third lead screw 3006 to scratch the surface of the steel plate and damage the thread of the third lead screw 3006.

[0066] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A panel production line for steel office furniture, characterized in that: Including unwinding machine, feeding equipment and stamping equipment; The unwinder is used to release the steel plate, and the unwinder comprises a frame, on which a support assembly for supporting the steel coil is rotatably arranged; The feeding equipment is used to convey the steel plate. The feeding equipment includes a pressure roller and an active roller arranged up and down, and a first passage for the steel plate to pass through is reserved between the active roller and the pressure roller. One end of the active roller is connected to a motor for driving the active roller. The stamping equipment is used for stamping steel plates, and includes a mounting platform on which are arranged several stamping mechanisms and a shearing die distributed along a straight line. Each stamping mechanism includes at least one stamping unit, and a driving unit for driving the stamping unit to move in a direction perpendicular to the plate conveying direction. The stamping unit includes a die frame slidably connected to the mounting platform and a stamping die installed in the die frame. The die frame is provided with a stamping hydraulic cylinder for pushing the stamping die to close the die.

2. The panel production line for steel office furniture according to claim 1, characterized in that: Each of the stamping mechanisms includes two stamping units, and the driving mechanism includes a first lead screw and a second lead screw corresponding to the two stamping units. A power connecting block is fixedly connected to the mold frame. The first lead screw and the second lead screw pass through the corresponding power connecting block and can drive the power connecting block to reciprocate. A light rod is coaxially fixedly connected to the end of the second lead screw, and the light rod extends to be flush with the end of the first lead screw away from the second lead screw. A feeding groove is provided on the side wall of the mold frame, and the openings of the two feeding grooves in one stamping mechanism are arranged opposite to each other and connected.

3. The panel production line for steel office furniture according to claim 1, characterized in that: The mold frame includes two relatively arranged fixed side plates, and the top and bottom of the fixed side plates are respectively provided with a top plate and a bottom plate, and the top plate, the bottom plate and the two fixed side plates enclose a storage space for accommodating the stamping mold, and the top plate is provided with a sensing plate that can move synchronously along the piston rod of the hydraulic cylinder, and two sensors that can sense the position of the sensing plate and are distributed along the movement direction of the piston rod.

4. The panel production line for steel office furniture as claimed in claim 3, characterized in that: A sliding rod is slidably arranged on the top plate, the top end of the sliding rod is located above the top plate and fixedly connected to the sensing plate, the bottom end of the sliding rod is located below the top plate and connected to the piston rod, the bottom end of the sliding rod is fixedly connected to a moving plate, a push plate is fixedly sleeved on the piston rod, the moving plate is located below the push plate and on the movement trajectory of the push plate, the part of the sliding rod located at the sensing plate and the top plate is sleeved with a second spring that pushes the sensing plate to move upward.

5. The panel production line for steel office furniture according to claim 1, characterized in that: The stamping equipment also includes a steel plate guiding mechanism located in front of the stamping mechanism, the steel plate guiding mechanism includes a positioning assembly and two fixed plates arranged in parallel and fixedly connected to the mounting platform, the positioning assembly includes a third lead screw and a positioning block, the third lead screw is rotatably connected to one of the fixed plates and extends toward the other fixed plate, the third lead screw passes through the positioning block and can drive the positioning block to reciprocate horizontally, guide rods that can pass through the positioning block and are fixedly connected to the fixed plate are arranged on both sides of the third lead screw, a guide block is sleeved on the center position of the guide rod, and the horizontal position of the guide block is higher than the horizontal position of the third lead screw.

6. The panel production line for steel office furniture according to claim 1, characterized in that: The feeding equipment includes a carrying box and a photoelectric sensing mechanism. The pressure roller and the active roller are arranged up and down on the carrying box. The photoelectric sensing mechanism includes a first photoelectric sensor and a second photoelectric sensor which are arranged up and down on the sides of the carrying box. After the feeding equipment sends out the steel plate, the steel plate can pass in front of the first photoelectric sensor and the second photoelectric sensor. The first photoelectric sensor is used to sense the first distance between the steel plate and the second photoelectric sensor. The second photoelectric sensor is used to sense the second distance between the steel plate and the steel plate.

7. The panel production line for steel office furniture according to claim 6, characterized in that: Two opposite mounting side plates are fixedly arranged above the carrying box, a cover plate parallel to the top of the carrying box is connected between the two mounting side plates, the pressure roller and the active roller are located between the two mounting side plates, the feeding equipment includes a leveling mechanism, the leveling mechanism includes an upper roller unit and a lower roller unit arranged up and down, and a second channel is left between the upper roller unit and the lower roller unit, and the upper roller unit and the lower roller unit are both rotatably connected to the mounting side plates.

8. The panel production line for steel office furniture according to claim 1, characterized in that: The frame is provided with a sliding shaft, and the sliding shaft can slide along its own axial direction. The support assembly is arranged on the sliding shaft, and the support assembly includes a sleeve rotatably sleeved on the sliding shaft and capable of sliding synchronously with the sliding shaft, and a plurality of support plates evenly distributed along the circumference of the sleeve, the support plate extends along the axial direction of the sleeve and is connected to the sleeve through a plurality of connecting rods, and the two ends of the connecting rod are rotatably connected to the sleeve and the support plate respectively. A turntable rotatably connected to the frame is coaxially sleeved on the sliding shaft, and the turntable is slidably connected to the end of the support plate. During the sliding process of the sliding shaft, the support plate is driven to slide radially along the turntable, and at least one support plate is provided with two limit frames for limiting the position of the steel belt, and the two limit frames are distributed along the axial direction of the sliding shaft.

9. The panel production line for steel office furniture according to claim 8, characterized in that: The limit frame is slidably arranged along the support plate and can be fixed, and the limit frame includes two limit plates arranged in a V shape, and the ends of the limit plates are bent toward the other limit plate to form a bent portion, and a first connecting plate is connected between the middle parts of the two limit plates, and a space is formed between the first connecting plate and the bent portion so that the edge of the support plate can enter, and a locking bolt is arranged on the connecting plate. During the rotation process, the locking bolt can be pressed against the surface of the support plate away from the sleeve, and the bent portion can be pressed against the surface of the support plate facing the sleeve.

10. The panel production line for steel office furniture according to claim 9, characterized in that: The limit frame includes two limit plates that are arranged opposite to each other and rotatably connected by a rotating shaft, a support rod for pushing the two limit plates to rotate away from each other and a spring for pulling the two limit plates to rotate relative to each other are slidably arranged between the two limit plates, and an end of the limit plate is bent toward the other limit plate to form a bent portion, and the bent portion can be pressed against the surface of the support plate facing the sleeve.

Images