Bending device for office chair production

Abstract

The utility model discloses a bending device for office chair production, which comprises an operating table, the top of the operating table is rotatably connected with a turntable and a positioning wheel, and the top of the turntable is fixedly connected with a bending wheel. According to the pipe body bending device, firstly, a pipe body to be bent is placed between the positioning wheel and the adjusting wheel, the bending wheel is driven by the rotating disc, the bending wheel abuts against the pipe body and bends the pipe body with the adjusting wheel as the circle center, bending operation is completed, and when pipe bodies with different diameters need to be clamped and bent, only the threaded rod needs to be rotated, and then the pipe body can be clamped and bent. The sliding block slides along the interior of the sliding groove, the adjusting wheel is made to be away from the positioning wheel synchronously, the clamping diameter is adjusted, pipe bodies with different diameters can be conveniently clamped, in the bending process, the pipe bodies are bent with the adjusting wheel as the circle center, meanwhile, the pipe bodies can push the baffle to rotate with the adjusting wheel as the circle center, and at the moment, the pipe bodies can be bent by comparing with the dial. The bending angle is the bending angle of the pipe body, and the bending angle can be conveniently controlled in the bending process.

Description

Technical Field

[0001] The utility model relates to the technical field of bending for producing office chairs, in particular to a bending device for producing office chairs. Background Art

[0002] Most office chair backs are high straight backs, which make up for the problem that most current chairs have low backs and the head and neck cannot be leaned on for rest. At the same time, they maintain a right-angle sitting posture for the hips and waist, satisfying the first important right angle of the three right-angle sitting postures recognized by the medical community. Most office chair backs and armrests require pipe bending processing to produce them. The office chair backs of the prior art are directly bent and formed by a bending machine during the processing and production process. The bending mechanism of this chair back will deform the pipe used to make the chair back during the bending process, and there is a lack of an anti-deformation shaping mechanism for the pipe, which makes the yield rate of the chair back bending production high, which not only greatly increases the production cost, but also reduces the production efficiency.

[0003] In the publication number CN211637870U, a bending device for office chair production is disclosed, which includes a bending platform, an electric rotating table and a molding mechanism are provided on the top of the bending platform, a bending guide mechanism and a top bending mechanism are provided on the top of the electric rotating table, the bending guide mechanism includes a fixed cylinder, a circular fixed block with an annular pipe guide groove and a rectangular raised block with a first horizontal pipe guide groove, the top bending mechanism includes a rectangular fixed block, a rectangular vertical plate, a hydraulic cylinder and a rectangular top block with a right-angle pipe guide groove, the molding mechanism includes a U-shaped support frame, a screw rod, a fixed seat and a rectangular positioning block with a second horizontal pipe guide groove, and the upper support block is arranged at the right rear end of the fixed cylinder. The utility model has a good effect on shaping the pipes of the raw materials for chair back production, can effectively prevent the occurrence of bending and deformation of the raw material pipes, and can effectively improve the bending efficiency of the chair back. However, the above-mentioned bending device for office chair production can only bend pipes of the same diameter during the bending process, so its functionality is relatively low, and it is also not convenient for height adjustment and displacement of the overall device. It is not convenient to move and cannot adapt to users of different heights. Therefore, it is necessary to provide a new bending device for office chair production to solve the above-mentioned technical problems. Utility Model Content

[0004] The utility model aims to provide a bending device for office chair production, which has the advantages of easy adjustment, strong matching, and easy observation of bending angles, thus solving the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bending device for office chair production, comprising: an operating table, the top of which is rotatably connected to a turntable and a positioning wheel, the top of which is fixedly connected to a bending wheel, the top of which is fixedly connected to a positioning column, and the top of which is provided with a notch; an adjusting component, the adjusting component comprising a slide slot, the slide slot being provided inside the operating table, the bottom of the turntable being provided with a controllable motor for driving the turntable, firstly placing the tube to be bent between the positioning wheel and the adjusting wheel, and rotating the tube to be bent. The disc drives the bending wheel, and the bending wheel presses against the tube body to bend with the adjusting wheel as the center to complete the bending operation. When it is necessary to clamp and bend tubes of different diameters, it is only necessary to rotate the threaded rod to make the slider slide along the inside of the slide groove, and simultaneously make the adjusting wheel move away from the positioning wheel to adjust the clamping diameter, so as to facilitate the clamping of tubes of different diameters. During the bending process, the tube body is bent with the adjusting wheel as the center, and at the same time, the tube body pushes the baffle to rotate with the adjusting wheel as the center. At this time, the bending angle of the tube body is obtained by comparing with the dial, which is convenient for controlling the bending angle during the bending process.

[0006] Preferably, the adjustment assembly also includes a slider, which is slidably connected to the inside of the slide groove, and the top of the slider is fixedly connected with an adjustment wheel, which extends to the outside of the operating table through the slot. The combination of the adjustment wheel and the positioning wheel can clamp the tube body to be bent.

[0007] Preferably, the outside of the slider is rotatably connected to a threaded rod, and the threaded rod is threadedly rotatably connected to the inside of the slave operating table. The threaded rod can be rotated to allow the slider to slide inside the slide groove.

[0008] Preferably, a torsion spring column is provided inside the adjusting wheel, a dial is provided on the top of the adjusting wheel, and a baffle is rotatably connected to the top of the torsion spring column. During the bending process, the tube body is bent with the adjusting wheel as the center, and at the same time, the tube body pushes the baffle to rotate with the adjusting wheel as the center. At this time, the dial is compared with the bending angle of the tube body, and the torsion spring column can reset the baffle after rotation.

[0009] Preferably, an electric telescopic rod is fixedly connected to the top of the operating table, and a push plate is fixedly connected to the end of the electric telescopic rod. The electric telescopic rod is extended and retracted in length so that the push plate pushes the tube body to facilitate the bending operation.

[0010] Preferably, four cylinders are fixedly connected to the bottom of the operating table, the bottoms of the four cylinders are commonly fixedly connected to a bottom plate, the bottom of the bottom plate is rotatably connected to four universal wheels, and the four cylinders can adjust the height of the operating table to enable users of different heights to use it.

[0011] Preferably, the outside of the base plate is fixedly connected to two threaded columns, and the outsides of the two threaded columns are rotatably connected to adjusting bolts, and the adjusting bolts can be rotated to limit the displacement of the device.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model first places the tube to be bent between the positioning wheel and the adjusting wheel, drives the bending wheel through the turntable, and the bending wheel presses against the tube to bend with the adjusting wheel as the center to complete the bending operation. When it is necessary to clamp and bend tubes of different diameters, it is only necessary to rotate the threaded rod to make the slider slide along the inside of the slide groove, and simultaneously make the adjusting wheel move away from the positioning wheel to adjust the clamping diameter, so as to facilitate the clamping of tubes of different diameters.

[0014] 2. In the utility model, during the bending process, the tube body is bent with the adjusting wheel as the center, and at the same time the tube body pushes the baffle to rotate with the adjusting wheel as the center. At this time, the scale dial is used as a reference, which is the bending angle of the tube body, so as to facilitate the control of the bending angle during the bending process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the top view of a bending device for office chair production according to the utility model;

[0016] Figure 2 This is a front view structural diagram of a bending device for office chair production according to the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the operating table cross section of the utility model;

[0018] Figure 4 This is a schematic diagram of the external structure of the regulating wheel of the utility model.

[0019] In the figure: 1. operating table; 2. turntable; 3. bending wheel; 4. positioning wheel; 5. adjusting wheel; 6. notch; 7. cylinder; 8. bottom plate; 9. universal wheel; 10. threaded column; 11. adjusting bolt; 12. electric telescopic rod; 13. push plate; 14. slide groove; 15. threaded rod; 16. slider; 17. dial; 18. baffle; 19. torsion spring column; 20. positioning column. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 4 The utility model provides a technical solution: a bending device for office chair production, comprising: an operating table 1, a turntable 2 and a positioning wheel 4 are rotatably connected to the top of the operating table 1, a bending wheel 3 is fixedly connected to the top of the turntable 2, a positioning column 20 is fixedly connected to the top of the operating table 1, and a notch 6 is opened on the top of the operating table 1; an adjustment component, the adjustment component includes a slide 14, the slide 14 is opened inside the operating table 1, and a motor that can be controlled to rotate is arranged at the bottom of the turntable 2 to drive the turntable 2. First, the tube to be bent is placed between the positioning wheel 4 and the adjusting wheel 5, and the bending wheel 3 is driven by the turntable 2. The bending wheel 3 is pressed against the tube body to bend with the adjusting wheel 5 as the center to complete the bending operation. When it is necessary to clamp and bend tubes of different diameters, it is only necessary to rotate the threaded rod 15 to make the slider 16 slide along the inside of the slide groove 14, and simultaneously make the adjusting wheel 5 move away from the positioning wheel 4 to adjust the clamping diameter, so as to facilitate clamping of tubes of different diameters. During the bending process, the tube body is bent with the adjusting wheel 5 as the center, and at the same time, the tube body pushes the baffle 18 to rotate with the adjusting wheel 5 as the center. At this time, the scale plate 17 is used to obtain the bending angle of the tube body, so as to facilitate the control of the bending angle during the bending process.

[0022] The adjustment assembly also includes a slider 16, which is slidably connected to the inside of the slide groove 14. The top of the slider 16 is fixedly connected to an adjustment wheel 5, which extends out of the operating table 1 through the slot 6. The adjustment wheel 5 and the positioning wheel 4 are used in combination to clamp the pipe body to be bent.

[0023] The outside of the slider 16 is rotatably connected to a threaded rod 15 , and the threaded rod 15 is threadedly rotatably connected to the inside of the slave operating table 1 . The threaded rod 15 can be rotated to allow the slider 16 to slide inside the slide groove 14 .

[0024] An electric telescopic rod 12 is fixedly connected to the top of the operating table 1, and a push plate 13 is fixedly connected to the end of the electric telescopic rod 12. The electric telescopic rod 12 is extended and retracted so that the push plate 13 pushes the tube body to facilitate the bending operation.

[0025] Four cylinders 7 are fixedly connected to the bottom of the operating table 1, and the bottoms of the four cylinders 7 are commonly fixedly connected to a bottom plate 8. The bottom of the bottom plate 8 is rotatably connected to four universal wheels 9. The four cylinders 7 can adjust the height of the operating table 1 to enable users of different heights to use it.

[0026] The outside of the base plate 8 is fixedly connected to two threaded columns 10, and the outsides of the two threaded columns 10 are rotatably connected to adjusting bolts 11. The adjusting bolts 11 can be rotated to limit the position of the device after displacement.

[0027] When the bending device for office chair production is used, the tube to be bent is first placed between the positioning wheel 4 and the adjusting wheel 5, and the bending wheel 3 is driven by the turntable 2. The bending wheel 3 presses against the tube to be bent with the adjusting wheel 5 as the center to complete the bending operation. When tubes of different diameters need to be clamped and bent, it is only necessary to rotate the threaded rod 15 to make the slider 16 slide along the inside of the slide groove 14, and simultaneously make the adjusting wheel 5 move away from the positioning wheel 4, so as to adjust the clamping diameter and facilitate clamping of tubes of different diameters.

[0028] See also Figures 1 to 4 The utility model provides a technical solution: a bending device for office chair production, wherein a torsion spring column 19 is arranged inside the adjusting wheel 5, a dial 17 is arranged on the top of the adjusting wheel 5, and a baffle 18 is rotatably connected to the top of the torsion spring column 19. During the bending process, the tube body is bent with the adjusting wheel 5 as the center, and at the same time, the tube body pushes the baffle 18 to rotate with the adjusting wheel 5 as the center. At this time, the dial 17 is compared, which is the bending angle of the tube body. The torsion spring column 19 can reset the baffle 18 after rotation.

[0029] During the bending process of the bending device for office chair production, the tube body is bent with the adjusting wheel 5 as the center, and at the same time, the tube body pushes the baffle 18 to rotate with the adjusting wheel 5 as the center. At this time, the dial 17 is used as a reference, which is the bending angle of the tube body, so as to facilitate the control of the bending angle during the bending process.

[0030] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural components recorded in the specification and the drawings can also be directly processed according to the existing technical common sense. At the same time, the connection method of each component adopts the mature conventional means in the prior art, and the machinery, parts and equipment all adopt the conventional models in the prior art, so no specific description will be given here.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bending device for office chair production, characterized in that: include: An operating table (1), wherein the top of the operating table (1) is rotatably connected to a turntable (2) and a positioning wheel (4), the top of the turntable (2) is fixedly connected to a bending wheel (3), the top of the operating table (1) is fixedly connected to a positioning column (20), and the top of the operating table (1) is provided with a notch (6); An adjustment component, the adjustment component comprising a slide groove (14), the slide groove (14) being arranged inside the operating table (1); The adjustment assembly further comprises a slider (16), the slider (16) being slidably connected to the inside of the slide groove (14), the top of the slider (16) being fixedly connected to an adjustment wheel (5), the adjustment wheel (5) extending out of the operating table (1) through the notch (6); The outside of the slider (16) is rotatably connected to a threaded rod (15), and the threaded rod (15) is threadably rotatably connected to the inside of the slave operating table (1).

2. The bending device for office chair production according to claim 1, characterized in that: A torsion spring column (19) is arranged inside the adjusting wheel (5), a dial (17) is provided on the top of the adjusting wheel (5), and a baffle (18) is rotatably connected to the top of the torsion spring column (19).

3. The bending device for office chair production according to claim 1, characterized in that: The top of the operating table (1) is fixedly connected to an electric telescopic rod (12), and the end of the electric telescopic rod (12) is fixedly connected to a push plate (13).

4. The bending device for office chair production according to claim 1, characterized in that: Four cylinders (7) are fixedly connected to the bottom of the operating table (1); the bottoms of the four cylinders (7) are commonly fixedly connected to a bottom plate (8); and the bottom of the bottom plate (8) is rotatably connected to four universal wheels (9).

5. The bending device for office chair production according to claim 4, characterized in that: The outside of the base plate (8) is fixedly connected to two threaded columns (10), and the outsides of the two threaded columns (10) are rotatably connected to adjusting bolts (11).

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