CN219335701U - Automatic feeding and discharging equipment for stamping chair feet - Google Patents

Abstract

An automatic feeding and discharging device for stamping chair feet comprises a stacking table top, a first feeding device, an oil spraying device, a stamping device, a discharging table top and a second feeding device; can realize automatic unloading work for the stamping processing of chair foot, when carrying out chair foot stamping processing, only need with the multi-disc metal sheet stack that waits to punch can on stacking the mesa, automatic unloading equipment can carry the metal sheet to stamping equipment in carry out stamping processing, the stamping processing back is automatic take out the chair foot body from stamping equipment, whole journey need not artifical unloading of going up, has saved the human cost greatly, improves chair foot stamping processing's efficiency, and can ensure staff's safety.

Description

Automatic feeding and discharging equipment for stamping chair feet

Technical Field

The utility model belongs to the technical field of stamping processing of furniture accessories, and particularly relates to automatic feeding and discharging equipment for stamping processing of chair feet.

Background

The applicant is at integrated into one piece chair foot of research and development before, and the authorized bulletin number is CN 218127685U, including the chair foot body, the chair foot body includes fixing base and a plurality of stabilizer blade that is formed by the integrative punching press bending of same piece first metal sheet, and a plurality of stabilizer blades distribute on the periphery of fixing base, the one end that the stabilizer blade was kept away from the fixing base is buckled downwards has the arc to receive the oral area. The chair leg body is formed by putting a first metal plate into stamping equipment for stamping processing, the traditional stamping feeding and discharging mode mainly depends on manual work, the metal plate to be stamped is put into a die of the stamping equipment, after the stamping equipment forms a chair leg body by stamping processing of the metal plate, the stamped chair leg body is taken out of the stamping die by manual work, the feeding and discharging mode consumes labor, and certain potential safety hazards exist, so that automatic feeding and discharging equipment is needed to be provided for the stamping processing of the chair leg.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides automatic feeding and discharging equipment for stamping chair feet.

The technical scheme adopted for solving the technical problems is as follows:

an automatic feeding and discharging device for stamping chair feet comprises a stacking table top, a first feeding device, an oil spraying device, a stamping device, a discharging table top and a second feeding device;

the stacking table top is used for stacking metal plates to be stamped, the stacking table top is positioned on one side of the oil spraying equipment, a plurality of vertically arranged limiting columns are arranged on the stacking table top, and the metal plates are limited through the limiting columns;

the first feeding equipment is used for conveying the metal plates to be stamped from the stacking table top to the oil spraying equipment, and the first feeding equipment moves above the stacking table top and the oil spraying equipment;

the oil spraying equipment is used for spraying lubricating oil on the surface of the metal plate to be stamped, and is positioned between the stacking table top and the stamping equipment;

the stamping equipment is used for stamping the metal plate to form a chair leg body, a stamping die is arranged in the stamping equipment, and the stamping equipment is positioned between the oil spraying equipment and the discharging table top;

the discharging table top is used for placing the stamped chair leg body; the discharging table top is positioned on one side of the stamping die;

the second feeding equipment is used for conveying the metal plate with the surface sprayed with the lubricating oil into the stamping die of the stamping equipment from the oil spraying equipment and conveying the stamped chair leg body from the stamping die of the stamping equipment to the discharging table top, the second feeding equipment is positioned at the rear of the stamping equipment, and the second feeding equipment moves between the oil spraying equipment and the stamping equipment and between the stamping equipment and the discharging table top.

In the utility model, three limit posts are arranged, and the three limit posts are arranged in a 360-degree annular array.

In the utility model, the first feeding device comprises a stand column, a cross beam, a first traversing mechanism, a first vertical moving mechanism and a first material sucking mechanism, wherein the stand column is fixedly arranged at the rear of a stacking table top, the cross beam is arranged at the top of the stand column, the cross beam extends from the stacking table top to the direction of the oil spraying device, the first traversing mechanism is movably arranged on the cross beam, a longitudinal beam extending from the cross beam to the direction of the stacking table top is arranged on the first traversing mechanism, the first vertical moving mechanism is arranged on the longitudinal beam, and the first material sucking mechanism is arranged on the first vertical moving mechanism

In the utility model, the first traversing mechanism comprises a sliding seat, a first motor and a rack, wherein the sliding seat is slidably arranged on a cross beam, the first motor is fixedly arranged on the sliding seat, the rack is fixedly arranged on the cross beam, the rack is arranged along the length direction of the cross beam, a rotating shaft of the first motor is connected with a gear, and the gear is meshed with the rack.

In the utility model, the first vertical movement mechanism comprises a second motor arranged on a longitudinal beam, a transmission box fixed on the longitudinal beam, a first sprocket connected with a rotating shaft of the second motor, a second sprocket connected with the first sprocket through a first chain transmission, a third sprocket coaxially arranged with the second sprocket, a fourth sprocket connected with the third sprocket through a second chain transmission and an up-down movable rod, wherein the up-down movable rod is fixedly connected with the second chain, and the second sprocket, the third sprocket and the fourth sprocket are rotatably arranged in the transmission box and are distributed up and down with the third sprocket.

In the utility model, the first material sucking mechanism comprises a material sucking disc arranged at the bottom of the upper and lower movable rods and a plurality of material sucking nozzles arranged at the bottom of the material sucking disc, wherein the material sucking nozzles are connected in parallel through an air pipe, and the material sucking nozzles are connected with the air sucking device.

In the utility model, the oil injection equipment comprises a chassis, a first longitudinal moving mechanism longitudinally moving along the chassis and an oil injection device transversely crossing the chassis, wherein an oil injection channel for the first longitudinal moving mechanism to drive a metal plate to pass through is arranged in the oil injection device.

The second feeding equipment comprises a fixing frame fixed at the rear of the stamping equipment, a second vertical moving mechanism arranged on the fixing frame, a second transverse moving mechanism arranged on the second vertical moving mechanism, a feeding frame connected with the second transverse moving mechanism, a second material sucking mechanism used for sucking a metal plate sprayed with lubricating oil on the upper surface of the oil spraying equipment and placing the metal plate into a stamping die of the stamping equipment, and a clamping mechanism used for clamping a chair leg body after stamping in the stamping equipment and placing the chair leg body on a material placing table top, wherein two ends of the feeding frame are provided with extension plates extending towards the center of the stamping die, the second material sucking mechanism is arranged on the extension plate close to one end of the oil spraying equipment, and the clamping mechanism is arranged on the extension plate close to one end of the material placing table top.

In the utility model, the second vertical moving mechanism comprises a third motor, a rotating screw rod and a movable nut, wherein the third motor is arranged on the fixed frame, the rotating screw rod is connected with a rotating shaft of the third motor, the movable nut is in transmission fit with the rotating screw rod, the second lateral moving mechanism is fixedly connected with the movable nut, two ends of the rotating screw rod are rotationally connected to the fixed frame, the second lateral moving mechanism is in sliding connection with the fixed frame through a guide rail sliding block mechanism, and the rotating screw rod is arranged in an extending mode along the up-down direction.

In the utility model, the second transverse moving mechanism comprises a back plate connected with the second vertical moving mechanism and a fourth motor fixed on the back plate, the fourth motor is arranged at the back of the back plate, the front surface of the back plate is provided with a movable groove for a feeding frame to be embedded into and movably connected with, a rotating shaft of the fourth motor penetrates through the back plate to enter the movable groove, a rotating shaft of the third motor is connected with a gear, the back of the feeding frame is provided with a rack meshed with the gear, and the rack transversely extends along the feeding frame.

The beneficial effects of the utility model are as follows: the automatic feeding and discharging equipment can realize automatic feeding and discharging for the stamping processing of the chair legs, when the stamping processing of the chair legs is carried out, only a plurality of metal plates to be stamped are needed to be stacked and placed on the stacking table top, the automatic feeding and discharging equipment can automatically convey the metal plates into the stamping equipment for stamping processing, the chair leg body is automatically taken out from the stamping equipment after the stamping processing, manual feeding and discharging are not needed in the whole process, the labor cost is greatly saved, the stamping processing efficiency of the chair legs is improved, and the safety of staff can be ensured.

Drawings

Fig. 1 is a schematic front view of the present embodiment;

FIG. 2 is a schematic top view of the present embodiment;

fig. 3 is a schematic front view of the first feeding apparatus according to the present embodiment;

fig. 4 is a schematic top view of a first feeding apparatus according to the present embodiment;

FIG. 5 is a schematic diagram illustrating the operation of the first vertical movement mechanism according to the present embodiment;

FIG. 6 is a schematic diagram showing the front view of the fuel injection device of the present embodiment;

FIG. 7 is a schematic top view of the fuel injection apparatus of the present embodiment;

fig. 8 is a schematic front view of the second feeding apparatus according to the present embodiment;

fig. 9 is a schematic top view of a second feeding apparatus according to the present embodiment;

fig. 10 is a schematic view of the embodiment from the metal plate to the chair leg body.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Examples:

as shown in fig. 1 to 10, the embodiment discloses an automatic feeding and discharging device for stamping processing of chair feet, which comprises a stacking table top 1, a first feeding device 2, an oil spraying device 3, a stamping device 4, a discharging table top 5 and a second feeding device 6;

the stacking table top 1 is used for stacking and placing metal plates A to be stamped, the stacking table top 1 is positioned on one side of the oil spraying equipment 3, a plurality of vertically arranged limiting columns 11 are arranged on the stacking table top 1, and the metal plates A are limited through the limiting columns 11;

the first feeding equipment 2 is used for conveying the metal plate A to be stamped from the stacking table top 1 to the oil spraying equipment 3, and the first feeding equipment 2 moves above the stacking table top 1 and the oil spraying equipment 3;

the oil spraying equipment 3 is used for spraying lubricating oil on the surface of the metal plate A to be stamped, and the oil spraying equipment 3 is positioned between the stacking table top 1 and the stamping equipment 4;

the stamping equipment 4 is used for stamping the metal plate A to form a chair leg body B, a stamping die 41 is arranged in the stamping equipment 4, and the stamping equipment 4 is positioned between the oil spraying equipment 3 and the discharging table top 5;

the discharging table top 5 is used for placing the chair script body B after stamping; the discharging table top 5 is positioned on one side of the stamping die 41;

the second feeding equipment 6 is used for conveying the metal plate A with the surface sprayed with the lubricating oil into the stamping die 41 of the stamping equipment 4 from the oil spraying equipment 3 and conveying the stamped chair leg body B onto the discharging table top 5 from the stamping die 41 of the stamping equipment 4, the second feeding equipment 6 is positioned behind the stamping equipment 4, and the second feeding equipment 6 moves between the oil spraying equipment 3 and the stamping equipment 4 and between the stamping equipment 4 and the discharging table top 5.

The automatic feeding and discharging equipment can realize automatic feeding and discharging for stamping of chair legs, when the stamping of chair legs is carried out, a plurality of metal plates A to be stamped are only needed to be stacked and placed on the stacking table top 1, the metal plates A are limited by the limiting columns 11, then the equipment is started, the first feeding equipment 2 can automatically convey the metal plates A on the stacking table top 1 to the oil spraying equipment 3 one by one, the oil spraying equipment 3 sprays lubricating oil on the surfaces of the metal plates A, friction between the metal plates A and the stamping die 41 is reduced in the stamping process, the surfaces of the stamping die 41 are protected, the service life of the stamping die 41 is prolonged, scratch of the surfaces of chair script bodies B is prevented, the deformation degree of the metal plates A is improved, and the forming rate of the chair script bodies B is improved; the second feeding device 6 conveys the metal plate A with the surface sprayed with the lubricating oil from the oil spraying device 3 into the stamping die 41 of the stamping device 4; the stamping equipment 4 performs stamping processing on the metal plate A to form a chair leg body B; the second feeding equipment 6 conveys the stamped chair leg body B from the stamping die 41 of the stamping equipment 4 to the discharging table top 5, so that discharging is completed; the whole process does not need manual feeding and discharging, so that the labor cost is greatly saved, the stamping efficiency of the chair legs is improved, and the safety of workers can be ensured.

In this embodiment, three limit posts 11 are provided, and the three limit posts 11 are arranged in a 360 ° annular array. The space that can supply metal sheet A middle part to slide in is formed to inboard between the spacing post 11 of three, and the interval region between the spacing post 11 of three forms the space that can supply metal sheet A's outer foot to stretch out, through spacing the spacing of spacing post 11, can make all pile up the metal sheet A of placing on stacking mesa 1 all lie in same vertical space, is convenient for first feeding equipment 2 get material to metal sheet A one by one.

In this embodiment, the first feeding device 2 includes a column 21, a cross beam 22, a first traversing mechanism 23, a first vertical moving mechanism 24 and a first material sucking mechanism 25, where the column 21 is fixedly installed at the rear of the stacking table 1, the cross beam 22 is installed at the top of the column 21, the cross beam 22 extends from the stacking table 1 to the direction of the fuel injection device 3, the first traversing mechanism 23 is movably installed on the cross beam 22, a longitudinal beam 26 extending from the cross beam 22 to the direction of the stacking table 1 is installed on the first traversing mechanism 23, the first vertical moving mechanism 24 is installed on the longitudinal beam 26, and the first material sucking mechanism 25 is installed on the first vertical moving mechanism 24. The first vertical movement mechanism 24 can drive the first material sucking mechanism 25 to move up and down, and the first transverse movement mechanism 23 can drive the longitudinal beam 26 and the first vertical movement mechanism 24 to move transversely together with the first material sucking mechanism 25. When the first feeding device 2 conveys the metal plate A, the first traversing mechanism 23 acts to enable the first suction mechanism 25 to transversely move to be right above the stacking table top 1, the first vertical moving mechanism 24 acts to drive the first suction mechanism 25 to downwardly move, the first suction mechanism 25 acts to suck the metal plate A on the stacking table top 1, then the first vertical moving mechanism 24 reversely acts to drive the first suction mechanism 25 to upwardly move together with the metal plate A, the metal plate A breaks away from the stacking table top 1, the first traversing mechanism 23 drives the longitudinal beam 26, the first vertical moving mechanism 24 and the first suction mechanism 25 to move together with the metal plate A to be right above the oil spraying device 3, and when the metal plate A is located right above the oil spraying device 3, the first vertical moving mechanism 24 drives the first suction mechanism 25 to downwardly move together with the metal plate A, the first suction mechanism 25 acts to loosen the metal plate A to enable the metal plate A to be placed on the oil spraying device 3, and then the work of conveying a piece of the metal plate A from the stacking table top 1 to the oil spraying device 3 is completed.

Specifically, the first traversing mechanism 23 includes a sliding seat 231 slidably mounted on the cross beam 22, a first motor 232 fixedly mounted on the sliding seat 231, and a rack fixedly mounted on the cross beam 22, where the rack is disposed along the length direction of the cross beam 22, and a rotation shaft of the first motor 232 is connected with a gear, and the gear is meshed with the rack. Wherein the slide seat 231 can be slidably mounted on the cross beam 22 by a slider-slide mechanism. When the first motor 232 rotates, the gear is driven to rotate, and the sliding seat 231 moves laterally under the meshing action of the gear and the rack.

Specifically, the first vertical moving mechanism 24 includes a second motor 241 mounted on the longitudinal beam 26, a transmission case 242 fixed on the longitudinal beam 26, a first sprocket 243 connected to a rotation shaft of the second motor 241, a second sprocket 245 connected to the first sprocket 243 through a first chain 244, a third sprocket 246 coaxially disposed with the second sprocket 245, a fourth sprocket 248 connected to the third sprocket 246 through a second chain 247, and an up-and-down movable rod 249, wherein the up-and-down movable rod 249 is fixedly connected to the second chain 247, the second sprocket 245, the third sprocket 246, and the fourth sprocket 248 are rotatably mounted in the transmission case 242, the fourth sprocket 248 and the third sprocket 246 are vertically distributed, and a distance between the fourth sprocket 248 and the third sprocket 246 determines a stroke of the first suction mechanism 25 moving up and down. When the second motor 241 rotates, the first sprocket 243 is driven to rotate, the first sprocket 243 drives the second sprocket 245 to rotate through the first chain 244, the third sprocket 246 coaxially rotates with the second sprocket 245, the third sprocket 246 drives the fourth sprocket 248 to rotate through the second chain 247, and the second chain 247 drives the up-and-down movable rod 249 to move up and down in the operation process.

Specifically, the first suction mechanism 25 includes a suction tray 251 mounted at the bottom of the upper and lower movable rods 249 and a plurality of suction nozzles 252 mounted at the bottom of the suction tray 251, the suction nozzles 252 are connected in parallel through an air pipe, and the suction nozzles 252 are connected with a suction device. When the suction device works, the suction nozzle 252 generates suction force, the metal plate A can be firmly sucked at the bottom of the suction nozzle 252, when the suction device stops working, the suction force effect of the suction nozzle 252 disappears, and the metal plate A is separated from the suction nozzle 252 under the action of gravity.

In this embodiment, the oil spraying device 3 includes a chassis 31, a first longitudinal moving mechanism 32 moving longitudinally along the chassis 31, and an oil spraying device 33 crossing over the chassis 31, where an oil spraying channel 34 is provided in the oil spraying device 33 for the first longitudinal moving mechanism 32 to drive the metal plate a to pass through. When the oil spraying device 3 works, the oil spraying device 33 sprays lubricating oil into the oil spraying channel 34, and the first longitudinal moving mechanism 32 drives the metal plate A to pass through the oil spraying channel 34, so that the lubricating oil is sprayed on the surface of the metal plate A. The first longitudinal moving mechanism 32 includes a moving table 321 for driving the metal plate a to move longitudinally and a telescopic cylinder 322 for driving the moving table 321 to move longitudinally, the telescopic cylinder 322 is fixedly mounted on the chassis 31, a telescopic end of the telescopic cylinder 322 is connected with the moving table 321, and the moving table 321 is movably mounted on the chassis 31 through a sliding block and sliding rail mechanism. When the telescopic cylinder 322 stretches out, the movable table 321 is driven to move to a front end position where the metal plate A can be placed from the first feeding equipment 2 to the oil spraying equipment 3; when the telescopic cylinder 322 is retracted, the moving stage 321 is moved to the rear end position of the fuel injection apparatus 3 together with the metal plate a through the fuel injection passage 34.

In this embodiment, the second feeding device 6 includes a fixing frame 61 fixed at the rear of the stamping device 4, a second vertical moving mechanism 62 mounted on the fixing frame 61, a second horizontal moving mechanism 63 mounted on the second vertical moving mechanism 62, a feeding frame 64 connected to the second horizontal moving mechanism 63, a second material sucking mechanism 65 for sucking the metal plate a sprayed with lubricating oil on the upper surface of the oil spraying device 3 into the stamping die 41 of the stamping device 4, and a clamping mechanism 66 for clamping the chair script body B after stamping in the stamping device 4 onto the discharging table 5, both ends of the feeding frame 64 are provided with extension plates 641 extending toward the center of the stamping die 41, the second material sucking mechanism 65 is mounted on the extension plate 641 near one end of the oil spraying device 3, and the clamping mechanism 66 is mounted on the extension plate 641 near one end of the discharging table 5. The second material sucking mechanism 65 and the clamping mechanism 66 are connected through the feeding frame 64 to synchronously move, so that synchronous feeding and discharging actions of the stamping equipment 4 are realized, and the working efficiency of the equipment is improved. Specifically, when the stamping equipment 4 performs stamping, the second traversing mechanism 63 moves the feeding frame 64 to the middle position, the second material sucking mechanism 65 and the clamping mechanism 66 are all withdrawn from the die clamping section of the stamping die 41, the second feeding equipment 6 is prevented from influencing the die clamping of the stamping die 41, after the stamping is completed, the stamping die 41 is opened, the second traversing mechanism 62 drives the second traversing mechanism 63, the feeding frame 64, the second material sucking mechanism 65 and the clamping mechanism 66 to move upwards, the second traversing mechanism 63 drives the feeding frame 64, the second material sucking mechanism 65 and the clamping mechanism 66 to move towards one side close to the oil spraying equipment 3, the second material sucking mechanism 65 and the clamping mechanism 66 are respectively positioned above the oil spraying equipment 3 and the stamping die 41, the second vertical traversing mechanism 62 drives the second traversing mechanism 63, the feeding frame 64, the second material sucking mechanism 65 and the clamping mechanism 66 to move downwards, the second suction mechanism 65 sucks the metal plate A sprayed with the lubricating oil on the oil spraying equipment 3, the clamping mechanism 66 clamps the stamped chair leg body B, the second vertical moving mechanism 62 moves upwards, the second suction mechanism 65 sucking the metal plate A and the clamping mechanism 66 clamping the chair leg body B synchronously move upwards, the second traversing mechanism 63 moves to the side close to the discharging table top 5, the second suction mechanism 65 sucking the metal plate A moves to the position right above the stamping die 41, the clamping mechanism 66 clamping the chair leg body B moves to the position right above the discharging table top 5, the second vertical moving mechanism 62 moves downwards, the metal plate A sucked by the second suction mechanism 65 is placed in the stamping die 41, the chair leg body B clamped by the clamping mechanism 66 is placed on the discharging table top 5, the second vertical moving mechanism 62 moves upwards, the second traversing mechanism 63 moves to the side close to the oil spraying equipment 3, the press machine 4 can perform press working by moving the carriage 64 to the intermediate position. The above-mentioned action process is the action process of the second feeding device 6 in one press working cycle.

Specifically, the second vertical moving mechanism 62 includes a third motor 621 mounted on the fixing frame 61, a rotating screw 622 connected with a rotating shaft of the third motor 621, and a movable nut in transmission fit with the rotating screw 622, the second lateral moving mechanism 63 is fixedly connected with the movable nut, two ends of the rotating screw 622 are rotatably connected to the fixing frame 61, the second lateral moving mechanism 63 is slidably connected with the fixing frame 61 through a guide rail slider mechanism, and the rotating screw 622 extends in an up-down direction. When the third motor 621 rotates, the rotating screw 622 is driven to rotate, the movable nut moves up and down under the cooperation of the rotating screw 622, and the movable nut drives the second traversing mechanism 63 to move up and down.

Specifically, the second traversing mechanism 63 is also implemented in a rack and pinion manner. The second traversing mechanism 63 comprises a back plate 631 connected with the second traversing mechanism 62 and a fourth motor 632 fixed on the back plate 631, the fourth motor 632 is installed at the back of the back plate 631, the front surface of the back plate 631 is provided with a movable groove for the feeding frame 64 to be embedded into the movable groove, a rotating shaft of the fourth motor 632 penetrates through the back plate 631 to enter the movable groove, a rotating shaft of the third motor 621 is connected with a gear, a rack meshed with the gear is arranged at the back of the feeding frame 64, and the rack transversely extends along the feeding frame 64. When the third motor 621 rotates, the gear is driven to rotate, and the rack drives the feeding frame 64 to move transversely under the meshing action of the rack and the gear.

Specifically, the second suction mechanism 65 may have the same structure as the first suction mechanism 25. The clamping mechanism 66 can be implemented by using pneumatic fingers, and when clamping action is required, the pneumatic fingers are opened to enable the pneumatic fingers to be clamped in the through hole in the middle of the chair script body B; when the user needs to put down, the pneumatic fingers are only required to be closed, so that the pneumatic fingers are separated from the through holes in the middle of the chair script body B, and the chair script body B falls off under the action of gravity.

The foregoing is only a preferred embodiment of the present utility model, and all technical solutions for achieving the object of the present utility model by substantially the same means are included in the scope of the present utility model.

Claims (10)

1. A automatic unloading equipment that goes up for chair foot punching press processing, its characterized in that: comprises a stacking table top (1), a first feeding device (2), an oil spraying device (3), a stamping device (4), a discharging table top (5) and a second feeding device (6);

the stacking table top (1) is used for stacking metal plates (A) to be stamped, the stacking table top (1) is positioned on one side of the oil spraying equipment (3), a plurality of vertically arranged limit posts (11) are arranged on the stacking table top (1), and the metal plates (A) are limited through the limit posts (11);

the first feeding device (2) is used for conveying the metal plate (A) to be stamped from the stacking table top (1) to the oil spraying device (3), and the first feeding device (2) moves above the stacking table top (1) and the oil spraying device (3);

the oil spraying equipment (3) is used for spraying lubricating oil on the surface of the metal plate (A) to be stamped, and the oil spraying equipment (3) is positioned between the stacking table top (1) and the stamping equipment (4);

the stamping equipment (4) is used for stamping the metal plate (A) to form a chair leg body (B), a stamping die (41) is arranged in the stamping equipment (4), and the stamping equipment (4) is positioned between the oil spraying equipment (3) and the discharging table top (5);

the discharging table top (5) is used for placing the stamped chair leg body (B); the discharging table top (5) is positioned at one side of the stamping die (41);

the second feeding equipment (6) is used for conveying the metal plate (A) with the surface sprayed with lubricating oil into the stamping die (41) of the stamping equipment (4) from the oil spraying equipment (3), and is also used for conveying the chair leg body (B) after stamping from the stamping die (41) of the stamping equipment (4) onto the discharging table top (5), the second feeding equipment (6) is positioned at the rear of the stamping equipment (4), and the second feeding equipment (6) moves between the oil spraying equipment (3) and the stamping equipment (4) and between the stamping equipment (4) and the discharging table top (5).

2. An automatic loading and unloading device for stamping chair feet according to claim 1, wherein: the three limiting columns (11) are arranged, and the three limiting columns (11) are arranged in a 360-degree annular array.

3. An automatic loading and unloading device for stamping chair feet according to claim 1, wherein: the first feeding equipment (2) comprises a stand column (21), a cross beam (22), a first transverse moving mechanism (23), a first vertical moving mechanism (24) and a first material sucking mechanism (25), wherein the stand column (21) is fixedly installed at the rear of the stacking table top (1), the cross beam (22) is installed at the top of the stand column (21), the cross beam (22) extends from the stacking table top (1) to the direction of the oil spraying equipment (3), the first transverse moving mechanism (23) is movably installed on the cross beam (22), a longitudinal beam (26) extending from the cross beam (22) to the stacking table top (1) is installed on the first transverse moving mechanism (23), and the first material sucking mechanism (25) is installed on the first vertical moving mechanism (24).

4. An automatic loading and unloading device for stamping chair feet according to claim 3, wherein: the first traversing mechanism (23) comprises a sliding seat (231) which is slidably arranged on the cross beam (22), a first motor (232) which is fixedly arranged on the sliding seat (231) and a rack which is fixedly arranged on the cross beam (22), wherein the rack is arranged along the length direction of the cross beam (22), a rotating shaft of the first motor (232) is connected with a gear, and the gear is meshed with the rack.

5. The automatic loading and unloading device for stamping chair feet according to claim 4, wherein: the first vertical moving mechanism (24) comprises a second motor (241) arranged on a longitudinal beam (26), a transmission box (242) fixed on the longitudinal beam (26), a first sprocket (243) connected with a rotating shaft of the second motor (241), a second sprocket (245) connected with the first sprocket (243) through a first chain (244) in a transmission mode, a third sprocket (246) coaxially arranged with the second sprocket (245), a fourth sprocket (248) connected with the third sprocket (246) through a second chain (247) in a transmission mode and an up-down movable rod (249), the up-down movable rod (249) is fixedly connected with the second chain (247), the second sprocket (245), the third sprocket (246) and the fourth sprocket (248) are rotatably arranged in the transmission box (242), and the fourth sprocket (248) and the third sprocket (246) are distributed up-down.

6. The automatic loading and unloading device for stamping chair feet according to claim 5, wherein: the first material sucking mechanism (25) comprises a material sucking disc (251) arranged at the bottom of the upper and lower movable rods (249) and a plurality of material sucking nozzles (252) arranged at the bottom of the material sucking disc (251), the material sucking nozzles (252) are connected in parallel through an air pipe, and the material sucking nozzles (252) are connected with the air sucking device.

7. An automatic loading and unloading device for stamping chair feet according to claim 1, wherein: the oil spraying equipment (3) comprises a machine case (31), a first longitudinal moving mechanism (32) longitudinally moving along the machine case (31) and an oil spraying device (33) transversely arranged on the machine case (31), wherein an oil spraying channel (34) through which the first longitudinal moving mechanism (32) drives the metal plate (A) to pass is arranged in the oil spraying device (33).

8. An automatic loading and unloading device for stamping chair feet according to claim 1, wherein: the second feeding equipment (6) comprises a fixing frame (61) fixed at the rear of the stamping equipment (4), a second vertical moving mechanism (62) arranged on the fixing frame (61), a second transverse moving mechanism (63) arranged on the second vertical moving mechanism (62), a feeding frame (64) connected to the second transverse moving mechanism (63), a second material sucking mechanism (65) for sucking a metal plate (A) sprayed with lubricating oil on the upper surface of the oil spraying equipment (3) and placing the metal plate (A) into a stamping die (41) of the stamping equipment (4) and a clamping mechanism (66) for clamping a chair leg body (B) subjected to stamping in the stamping equipment (4) on a material placing table (5), extension plates (641) extending towards the center of the stamping die (41) are arranged at two ends of the feeding frame (64), the second material sucking mechanism (65) is arranged on an extension plate (641) close to one end of the oil spraying equipment (3), and the clamping mechanism (66) is arranged on an extension plate (641) close to one end of the material placing table (5).

9. The automatic loading and unloading device for stamping chair legs according to claim 8, wherein: the second erects and moves mechanism (62) including install third motor (621) on mount (61), with rotation lead screw (622) of rotation axis connection of third motor (621) and with the movable nut of rotation lead screw (622) transmission complex, second sideslip mechanism (63) fixed connection movable nut, the both ends rotation of rotation lead screw (622) are connected in mount (61), second sideslip mechanism (63) pass through guide rail slider mechanism sliding connection with mount (61), rotation lead screw (622) are along upper and lower direction extension setting.

10. The automatic loading and unloading device for stamping chair feet according to claim 9, wherein: the second sideslip mechanism (63) is including backplate (631) of connecting second perpendicular mechanism (62) and fourth motor (632) of being fixed in on backplate (631), fourth motor (632) are installed at the back of backplate (631), the front of backplate (631) is equipped with the movable groove that can supply pay-off frame (64) embedding swing joint, the axis of rotation of fourth motor (632) passes backplate (631) and gets into the movable groove, the axis of rotation of third motor (621) is connected with the gear, the back of pay-off frame (64) is equipped with the rack with gear engagement, and the rack transversely extends along pay-off frame (64) and sets up.

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