Reaming equipment for overturned office chair legs

Abstract

The utility model discloses a reaming device used after office chair leg overturning. The reaming device comprises a machine frame. The lifting platform is arranged on the rack in a manner of moving up and down relative to the rack and can bear the office chair legs; the turnover device can grab the office chair legs pushed by the lifting platform and turn over the office chair legs after the lifting platform descends; the lifting device is arranged on the rack and can drive the lifting table to move upwards to push the office chair legs to one side of the overturning device or drive the lifting table to move downwards to reset after the overturned office chair legs are put back to the lifting table; the reaming workbench is arranged on the rack and can bear the turned office chair legs; the transfer device is arranged on the rack and can convey the office chair legs turned over on the lifting table to the reaming workbench; and the reaming device is arranged on the rack and used for reaming the office chair legs on the reaming workbench. Automatic overturning and reaming of the office chair legs are achieved, time and labor are saved, labor cost is saved, production cost is reduced, and productivity is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of office chair foot hole reaming equipment after overturning. BACKGROUND

[0002] Office chair foot on market is generally produced according to the forming process disclosed in Chinese invention patent with application No.202410663408.0, including chair foot body formed by metal template stamping, the chair foot body includes fixed part at center, multiple support parts extending to the periphery of fixed part and mounting part at the extension end of support part, the fixed part center is welded with tubular shaft sleeve, the mounting part is welded with roller seat, support inner bone is welded on support part, and the both ends of support inner bone are fixedly connected with shaft sleeve and roller seat by welding. In the process of welding shaft sleeve and roller seat, the back of chair foot body is upward, in order to facilitate hole reaming, generally need to overturn chair foot body manually to make front upward, and place on hole reaming machine for hole reaming, time-consuming and laborious, high labor cost, and heavy and dull work can also affect the work efficiency of operator, and further affect production efficiency.

[0003] Therefore, the utility model is just based on the above deficiencies. CONTENT OF UTILITY MODEL

[0004] The utility model aims at overcoming the deficiencies of prior art, and provides office chair foot hole reaming equipment after overturning, which saves labor and effectively improves production efficiency.

[0005] The utility model is realized through the following technical solutions.

[0006] An office chair foot hole reaming equipment after overturning, characterized in that: it comprises rack 1.

[0007] Lifting platform 2 is movably arranged on rack 1 and can carry office chair foot.

[0008] Overturning device 4 can grab office chair foot pushed by lifting platform 2 and overturn office chair foot after lifting platform 2 is lowered.

[0009] Lifting device 3 is arranged on rack 1 and can drive lifting platform 2 to move upwards to push office chair foot to one side of overturning device 4 or drive lifting platform 2 to move downwards to reset after office chair foot is placed on lifting platform 2.

[0010] Hole reaming workbench 5 is arranged on rack 1 and can carry overturned office chair foot.

[0011] Transfer device 6 is arranged on rack 1 and can send overturned office chair foot on lifting platform 2 to hole reaming workbench 5.

[0012] A reaming device 7 is arranged on the frame 1 and used to ream the office chair leg on the reaming workbench 5.

[0013] The office chair leg reaming device with the office chair leg turning over after reaming as described above is characterized in that the lifting device 3 comprises a first pushing screw 31 supported below the lifting platform 2 and capable of moving up and down relative to the frame 1, a second motor 32 arranged on the frame 1, a first connecting rotating shaft 34 driven to rotate by the second motor 32 and capable of driving the first pushing screw 31 to move up and down through a first connecting gear set 33 when rotating.

[0014] The office chair leg reaming device with the office chair leg turning over after reaming as described above is characterized in that the turning device 4 comprises a first mounting frame 41 mounted on the frame 1 and located at one side of the lifting platform 2, a turning shaft 42 arranged on the first mounting frame 41 in a rotatable manner, a mounting plate 43 arranged on the turning shaft 42, a clamping jaw cylinder 44 arranged on the mounting plate 43, two clamping arms 45 driven by the clamping jaw cylinder 44 to clamp or release the office chair leg, a first motor 46 mounted on the first mounting frame 41 and capable of driving the turning shaft 42 to rotate so as to drive the mounting plate 43 to rotate and make the clamping arms 45 drive the office chair leg to turn over.

[0015] The office chair leg reaming device with the office chair leg turning over after reaming as described above is characterized in that the mounting plate 43 is provided with a first guide rail 47, the first guide rail 47 is provided with two sliding blocks 48 capable of sliding horizontally along the first guide rail 47, and the two clamping arms 45 are arranged on the two sliding blocks 48 one by one in a corresponding manner.

[0016] The office chair leg reaming device with the office chair leg turning over after reaming as described above is characterized in that the reaming device 7 comprises a second mounting frame 71 mounted on the frame 1, a pressing and positioning device 72 arranged on the second mounting frame 71 and used to press and fix the office chair leg axially on the reaming workbench 5, a reaming cutter 73 capable of descending to the office chair leg after the pressing and positioning device 72 presses and fixes the office chair leg, and a driving device 74 used to drive the reaming cutter 73 to rotate for reaming.

[0017] The office chair leg reaming device with the office chair leg turning over after reaming as described above is characterized in that the pressing and positioning device 72 comprises a pressing cylinder 721 arranged vertically on the second mounting frame 71, a pressing block 722 arranged on a piston rod of the pressing cylinder 721 and driven by the pressing cylinder 721 to move towards or away from the reaming workbench 5, and a through hole 7221 provided in the pressing block 722 and through which the reaming cutter 73 passes.

[0018] The office chair leg flip-opening hinge hole device described above is characterized in that: the transfer device 6 includes a guide rail seat 61 extending from the lifting platform 2 towards the hinge hole worktable 5; a second push screw 62 supported below the guide rail seat 61 and capable of moving up and down relative to the frame 1 to drive the guide rail seat 61 to rise and fall; a third motor 63 mounted on the frame 1; a second connecting shaft 65 driven by the third motor 63 to rotate and, during rotation, drives the second push screw 62 to move up and down via a second connecting gear set 64; a second guide rail 66 arranged along the length direction of the guide rail seat 61; a slide 67 slidably mounted on the second guide rail 66; a screw nut seat 68 fixed on the slide 67; a screw 69 arranged parallel to the second guide rail 66 and mounted on the screw nut seat 68; a fourth motor 60 that drives the screw 69 to rotate, causing the screw nut seat 68 to move along the screw 69 and thus driving the slide 67 to move horizontally; and a carrying block 671 mounted on the slide 67 and capable of supporting the office chair legs.

[0019] Compared with the prior art, the present invention has the following advantages:

[0020] 1. After the office chair legs, which have completed the previous process, are placed on the lifting platform, the lifting device drives the lifting platform to move up and send the office chair legs to the side of the flipping device. The flipping device grabs the office chair legs and flips them over after the lifting device drives the lifting platform to move down to make room. Then, after the lifting device drives the lifting platform to move up again, the flipped office chair legs are placed back on the lifting platform. The transfer device then sends the flipped office chair legs to the hinge hole worktable. Finally, the hinge hole device is used to hinge holes in the middle of the office chair legs. This achieves automatic flipping and hinge hole operation of the office chair legs, saving time and effort, reducing labor costs, and helping to reduce production costs and improve productivity. [Attached Image Description]

[0021] Figure 1 This is a perspective view of the present invention;

[0022] Figure 2 This is a structural schematic diagram of the lifting device of this utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the flipping device of this utility model;

[0024] Figure 4 This is a schematic diagram of the hinge hole device of this utility model;

[0025] Figure 5 This is a structural schematic diagram of the lifting platform, the hinged worktable, and the transfer device on the frame of this utility model.

Detailed Implementation Methods

[0026] The present invention will be further described below with reference to the accompanying drawings:

[0027] like Figures 1 to 5As shown, an office chair leg flipping and hole-reaming device includes a frame 1; a lifting platform 2, which is movably mounted on the frame 1 and can support office chair legs; a flipping device 4, which can grab the office chair legs pushed by the lifting platform 2 and flip the office chair legs when the lifting platform 2 descends; a lifting device 3, which is mounted on the frame 1 and can drive the lifting platform 2 to move upward to push the office chair legs to the side of the flipping device 4 or to put the flipped office chair legs back onto the lifting platform 2 and then drive the lifting platform 2 to move downward to reset; a hole-reaming worktable 5, which is mounted on the frame 1 and can support the flipped office chair legs; a transfer device 6, which is mounted on the frame 1 and can transfer the flipped office chair legs from the lifting platform 2 to the hole-reaming worktable 5; and a hole-reaming device 7, which is mounted on the frame 1 and is used to hole-ream the office chair legs on the hole-reaming worktable 5. After the office chair legs, having completed the previous process, are placed on the lifting platform 2, the lifting device 3 drives the lifting platform 2 to move upwards, sending the office chair legs to the side of the flipping device 4. The flipping device 4 grabs the office chair legs and flips them over after the lifting device 3 drives the lifting platform 2 to move downwards to make room. Then, after the lifting device 3 drives the lifting platform 2 to move upwards, the flipping device 4 releases the office chair legs, allowing the flipped office chair legs to be placed back on the lifting platform. The transfer device 6 then sends the flipped office chair legs to the hinge worktable 5. Finally, the hinge device 7 is used to hinge holes in the middle of the office chair legs, realizing the automatic flipping and hinge of the office chair legs. This saves time and effort, reduces labor costs, and helps to reduce production costs and improve productivity.

[0028] like Figure 2 As shown, the lifting device 3 includes a first jacking screw 31 supported below the lifting platform 2 and movable up and down relative to the frame 1, a second motor 32 mounted on the frame 1, and a first connecting shaft 34 driven by the second motor 32 to rotate and, during rotation, to move the first jacking screw 31 up and down via a first connecting gear set 33. The first connecting gear set 33 includes multiple meshing gears, with an input gear mounted on the first connecting shaft 34 and an output gear meshing with the first jacking screw 31. When the second motor 32 drives the first connecting shaft 34 to rotate, it drives the first connecting gear set 33, thereby causing the first jacking screw 31 to move up and down, raising or lowering the lifting platform 2.

[0029] like Figure 3As shown, the overturning device 4 comprises a first mounting frame 41 mounted on the frame 1 and located at one side of the lifting platform 2, an overturning shaft 42 rotatably arranged on the first mounting frame 41, a mounting plate 43 arranged on the overturning shaft 42, a clamping jaw cylinder 44 arranged on the mounting plate 43, two clamping arms 45 driven by the clamping jaw cylinder 44 to clamp or release the office chair leg, a first motor 46 mounted on the first mounting frame 41 and capable of driving the overturning shaft 42 to rotate to drive the mounting plate 43 to rotate so as to drive the clamping arms 45 to overturn the office chair leg. When the lifting platform 2 moves upward with the office chair leg so that one leg of the office chair leg moves between the two clamping arms 45, the clamping jaw cylinder 44 drives the two clamping arms 45 to approach each other to clamp the leg of the office chair leg, then the lifting platform moves downward to make way, then the first motor 46 drives the overturning shaft 42 to rotate, the overturning shaft 42 drives the mounting plate 43 to rotate so as to drive the clamping arms 45 to overturn the office chair leg, finally the lifting platform moves upward and the clamping jaw cylinder 44 drives the two clamping arms 45 to move away from each other to release the leg of the office chair leg, so that the overturned office chair leg falls on the lifting platform, and the lifting platform carries the overturned office chair leg back to the original position.

[0030] Specifically, the mounting plate 43 is provided with a first guide rail 47, the first guide rail 47 is provided with two sliding blocks 48 capable of sliding horizontally along the first guide rail 47, and the two clamping arms 45 are respectively and correspondingly arranged on the two sliding blocks 48. Through the above structure, the clamping arms 45 can run stably.

[0031] As Figure 5As shown, the transfer device 6 comprises a guide rail base 61 extending from the lifting platform 2 to the reaming workbench 5, a second push screw 62 supported below the guide rail base 61 and capable of moving up and down relative to the frame 1 to drive the guide rail base 61 to move up and down, a third motor 63 arranged on the frame 1, a second connecting shaft 65 driven to rotate by the third motor 63 and capable of driving the second push screw 62 to move up and down through a second engagement gear set 64 when rotating, a second guide rail 66 arranged along the length direction of the guide rail base 61, a sliding table 67 slidably arranged on the second guide rail 66, a screw nut base 68 fixed on the sliding table 67, a screw rod 69 arranged in parallel with the second guide rail 66 and threaded on the screw nut base 68, a fourth motor 60 driving the screw rod 69 to rotate to drive the screw nut base 68 to move along the screw rod 69 and thus drive the sliding table 67 to move horizontally, and a carrying block 671 arranged on the sliding table 67 and capable of carrying the office chair leg. In the initial state, the carrying block 671 is below the lifting platform, and when the lifting platform 2 carries the reset office chair leg after being turned over, the third motor 63 drives the second connecting shaft 65 to rotate and thus drives the second engagement gear set 64, so as to drive the second push screw 62 to move upwards, lift the guide rail base 61, and make the carrying block 671 move upwards to support the office chair leg. Then, the fourth motor 60 works to drive the screw rod 69 to rotate, so as to drive the screw nut base 68 to move along the screw rod 69 and thus drive the sliding table 67 to move horizontally, so that the carrying block 671 carrying the office chair leg moves to the reaming workbench 5. Finally, the third motor 63 reverses to drive the carrying block 671 to move downwards to make the office chair leg fall on the reaming workbench 5 for positioning, and the reaming is performed.

[0032] As shown in the figures, Figure 4 The reaming device 7 comprises a second mounting frame 71 mounted on the frame 1, a pressing and positioning device 72 arranged on the second mounting frame 71 and used for pressing and fixing the office chair leg axially on the reaming workbench 5, a reaming cutter 73 capable of descending to the office chair leg after the pressing and positioning device 72 presses and fixes the office chair leg, and a driving device 74 driving the reaming cutter 73 to rotate for reaming. The driving device 74 is a driving motor, which drives the reaming cutter 73 to rotate for reaming when the pressing and positioning device 72 presses and positions the office chair leg and the reaming cutter 73 is driven by the machine head internal lifting assembly to descend to the office chair leg.

[0033] Specifically, the pressing and positioning device 72 comprises a pressing cylinder 721 arranged vertically on the second mounting frame 71, a pressing block 722 arranged on the piston rod of the pressing cylinder 721 and driven by the pressing cylinder 721 to move towards or away from the reaming workbench 5, and a through hole 7221 arranged on the pressing block 722 and through which the reaming cutter 73 passes.

Claims

1. An office chair leg turning and reaming device, characterized in that: a frame (1); a lifting platform (2) movably arranged on the frame (1) and capable of carrying office chair legs; a turning device (4) capable of grabbing office chair legs pushed by the lifting platform (2) and turning the office chair legs after the lifting platform (2) is lowered; a lifting device (3) arranged on the frame (1) and capable of driving the lifting platform (2) to move upwards to push office chair legs to one side of the turning device (4) or to move downwards to reset after the turned office chair legs are put back on the lifting platform (2); a reaming workbench (5) arranged on the frame (1) and capable of carrying turned office chair legs; a transfer device (6) arranged on the frame (1) and capable of transferring turned office chair legs on the lifting platform (2) to the reaming workbench (5); and a reaming device (7) arranged on the frame (1) and capable of reaming office chair legs on the reaming workbench (5). The lifting device (3) comprises a first pushing screw (31) supported below the lifting platform (2) and capable of moving upwards and downwards relative to the frame (1), a second motor (32) arranged on the frame (1), and a first connecting shaft (34) driven to rotate by the second motor (32) and capable of driving the first pushing screw (31) to move upwards and downwards through a first connecting gear set (33) when rotating. The turning device (4) comprises a first mounting frame (41) arranged on the frame (1) and located on one side of the lifting platform (2), a turning shaft (42) movably arranged on the first mounting frame (41), a mounting plate (43) arranged on the turning shaft (42), a clamping jaw cylinder (44) arranged on the mounting plate (43), two clamping arms (45) driven by the clamping jaw cylinder (44) to clamp or release office chair legs, and a first motor (46) arranged on the first mounting frame (41) and capable of driving the turning shaft (42) to rotate to drive the mounting plate (43) to rotate and make the clamping arms (45) turn office chair legs. The mounting plate (43) is provided with a first guide rail (47), the first guide rail (47) is provided with two sliding blocks (48) capable of sliding horizontally along the first guide rail (47), and the two clamping arms (45) are respectively and correspondingly arranged on the two sliding blocks (48). The reaming device (7) comprises a second mounting frame (71) arranged on the frame (1), a pressing and positioning device (72) arranged on the second mounting frame (71) and capable of pressing and fixing office chair legs on the reaming workbench (5), a reaming cutter (73) capable of reaching office chair legs after the pressing and positioning device (72) presses and fixes office chair legs, and a driving device (74) capable of driving the reaming cutter (73) to rotate to ream. ​ ​ ​ 2. The office chair foot flipper reamer apparatus of claim 1, wherein: ​ 3. The office chair foot flipper reamer apparatus of claim 1, wherein: ​ 4. The office chair foot flipper reamer apparatus of claim 3, wherein: ​ 5. The office chair foot flipper reamer apparatus of claim 1, wherein: ​ 6. The office chair foot flipper reamer apparatus of claim 5, wherein: The pressing positioning device (72) comprises a pressing cylinder (721) vertically arranged on the second mounting frame (71), a pressing block (722) arranged on a piston rod of the pressing cylinder (721) and driven by the pressing cylinder (721) to move towards the reaming workbench (5) or away from the reaming workbench (5), and a through hole (7221) is arranged on the pressing block (722) and used for allowing the reaming cutter (73) to pass through.

7. The office chair foot flipper reamer apparatus of claim 1, wherein: The transfer device (6) comprises a guide rail seat (61) extending from the lifting platform (2) to the reaming workbench (5), a second pushing screw (62) supported below the guide rail seat (61) and capable of driving the guide rail seat (61) to move up and down relative to the rack (1), a third motor (63) arranged on the rack (1), a second connecting rotating shaft (65) driven to rotate by the third motor (63) and capable of driving the second pushing screw (62) to move up and down through the second connecting gear set (64) when rotating, a second guide rail (66) arranged along the length direction of the guide rail seat (61), a sliding table (67) slidably arranged on the second guide rail (66), a screw nut seat (68) fixed on the sliding table (67), a screw rod (69) arranged in parallel with the second guide rail (66) and sleeved on the screw nut seat (68), a fourth motor (60) driving the screw rod (69) to rotate so that the screw nut seat (68) moves along the screw rod (69) and drives the sliding table (67) to move horizontally, and a load block (671) arranged on the sliding table (67) and capable of bearing the office chair legs.

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