CN218134224U

CN218134224U - Pipe bending device for high-precision sofa framework production

Info

Publication number: CN218134224U
Application number: CN202222754245.6U
Authority: CN
Inventors: 蔡新杰; 黄琴霞; 马改娜; 吴晓赟
Original assignee: Huizhou Yishang Intelligent Technology Co ltd
Current assignee: Huizhou Yishang Intelligent Technology Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2022-12-27
Anticipated expiration: 2032-10-19

Abstract

The utility model provides a swan neck system of high accuracy sofa skeleton production usefulness relates to the pipe bending technology field, comprising a base plate, the first grip block of top fixedly connected with and the fixed block of bottom plate, the surface screw thread through connection of fixed block has the threaded rod, the terminal surface of threaded rod rotates and is connected with the second grip block, the top fixed mounting of bottom plate has first round of mould, the first fixed axle of top center fixedly connected with of department of first round of mould, the position cover that the surface of first fixed axle is close to the bottom is equipped with first bearing. The utility model discloses in, rotate the post through rotating and drive the gear and rotate, rethread gear and rack cooperate, have played the effect that drives the rack and remove to through supporting the connecting rod, carried on spacingly to the rotation range of connecting rod, made the stroke of connecting rod bending unanimous to the tubular metal resonator at every turn, obtained the tubular metal resonator that the degree of curvature is unanimous, improved the precision to the tubular metal resonator angle of buckling.

Description

Pipe bending device for high-precision sofa framework production

Technical Field

The utility model relates to a pipe bending technical field especially relates to a swan neck system of high accuracy sofa skeleton production usefulness.

Background

The sofa is a chair with a cushion, the interior of the sofa is supported by a framework, the sofa is one of soft furniture, and the framework is formed by bending the sofa by adopting a pipe bending device and then welding the sofa.

In the prior art, as in chinese patent publication No.: CN203695689U discloses a pipe bending device, which comprises a frame, wherein a workbench is formed on the frame, bench vice and pipe bending structure are arranged on the workbench on the same straight line, the pipe bending structure comprises a movable plate, an elongated slot is formed on the movable plate, a movable first wheel mold is arranged in the elongated slot, the movable plate is movably arranged on the workbench, a second wheel mold is arranged between the movable plate and the workbench, a sleeve pipe connected by screw threads is arranged at the other end of the movable plate, and a telescopic handle is arranged in the sleeve pipe; the top end of the first wheel die is arranged in the long groove of the movable plate through an adjusting screw rod; the utility model discloses be fit for different diameter tubular products and carry out the return bend operation, improve return bend efficiency simultaneously.

Although the position that above-mentioned patent can be through adjusting the second wheel mould realizes carrying out the return bend operation to different diameter tubular products, has improved return bend efficiency, but, the inside skeleton of sofa skeleton is symmetrical structure, consequently the angle requirement to the skeleton department of buckling is very high, and the metal tubular product of two symmetrical parts is buckled the angle and can lead to the sofa of producing to appear inclining when the deviation appears, influences the quality of sofa, consequently, to above-mentioned problem, we provide neotype swan neck system of high accuracy sofa skeleton production usefulness.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the inside skeleton of sofa skeleton among the prior art and be symmetrical structure, consequently the angle requirement of department of buckling to the skeleton is very high, and the metal tubular product at two symmetrical positions is buckled the angle and can be leaded to the sofa that produces to incline when the deviation appears, influences the problem of the quality of sofa, and the swan neck system of a high accuracy sofa skeleton production usefulness that provides.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a swan neck system of high accuracy sofa skeleton production usefulness, includes the bottom plate, the first grip block of top fixedly connected with and the fixed block of bottom plate, the surface screw thread through connection of fixed block has the threaded rod, the terminal surface of threaded rod rotates and is connected with the second grip block, the top fixed mounting of bottom plate has first round of mould, the first fixed axle of fixedly connected with is located at the top center of first round of mould, the position cover that the surface of first fixed axle is close to the bottom is equipped with first bearing, first bearing be provided with the connecting rod for surface sliding, the position screw thread connection that the surface of first fixed axle is close to the top has first internal thread cap, first recess has been seted up to the surface of first round of mould, a plurality of regulation holes have been seted up at the top of connecting rod, one of them the internal surface sliding of regulation hole is provided with the second bearing, the internal surface sliding of second bearing is provided with the second fixed axle, the bottom fixedly connected with second round of second fixed axle mould, the surface screw thread connection that the surface of second fixed axle is close to the top has the second internal thread cap, the second groove has been seted up to the surface of second round of mould, the external fixed surface of connecting rod is connected with the extension.

Preferably, the position of the first clamping block corresponds to the position of the second clamping block, and the first groove and the second groove are correspondingly arranged.

Preferably, the top of the first wheel mould is fixedly connected with a limiting strip, and the top of the first wheel mould is fixedly connected with a limiting shell.

Preferably, a rack is arranged at the position, located on the first limiting strip, of the top of the first wheel mold in a sliding mode, and a limiting groove is formed in the bottom of the rack.

Preferably, the top of spacing shell slides to run through and is provided with and rotates the post, the bottom fixedly connected with gear of rotation post, the surface of gear is connected with the surface meshing of rack.

Preferably, the top thread of the limiting shell is connected with a fixing bolt in a penetrating manner, and the position of the fixing bolt corresponds to that of the rack.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses in, rotate the post through rotating and drive the gear and rotate, rethread gear and rack cooperate, have played the effect that drives the rack and remove to through supporting the connecting rod, carried on spacingly to the rotation range of connecting rod, make the stroke that the connecting rod was bent at every turn to the tubular metal resonator unanimous, obtain the tubular metal resonator that the degree of curvature is unanimous, improved the precision to the tubular metal resonator angle of buckling.

2. The utility model discloses in, played the effect that reduces connecting rod and first fixed axle surface friction through setting up first bearing to play laborsaving effect, played the effect that reduces friction between second fixed axle and the connecting rod through setting up the second bearing, thereby played laborsaving effect, played the effect that conveniently rotates the connecting rod through setting up the extension, thereby played the effect that facilitates the use.

Drawings

FIG. 1 is a perspective view of a pipe bending device for high precision sofa frame production according to the present invention;

fig. 2 is a schematic view of a part of the structure of a pipe bending device for producing a high-precision sofa framework;

FIG. 3 is a schematic structural view of a first wheel mold of a pipe bending device for producing a high-precision sofa frame of the present invention;

fig. 4 is the utility model provides a structural schematic diagram of swan neck system rack of high accuracy sofa skeleton production usefulness.

Illustration of the drawings: 1. a base plate; 11. a first clamping block; 12. a fixed block; 13. a threaded rod; 14. a second clamping block; 2. a first wheel mold; 21. a first fixed shaft; 22. a first bearing; 23. a first internally threaded cap; 24. a first groove; 25. a limiting strip; 3. a second wheel mold; 31. a second fixed shaft; 32. a second bearing; 33. a second internally threaded cap; 34. a second groove; 4. a connecting rod; 41. an adjustment hole; 42. a lengthening handle; 5. a limiting shell; 51. a rack; 52. a limiting groove; 53. a gear; 54. rotating the column; 55. and fixing the bolt.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-4, the utility model provides a swan neck system of high accuracy sofa skeleton production usefulness, comprising a base plate 1, the first grip block 11 of top fixedly connected with and fixed block 12 of bottom plate 1, the surface screw thread through connection of fixed block 12 has threaded rod 13, the terminal surface rotation of threaded rod 13 is connected with second grip block 14, the top fixed mounting of bottom plate 1 has first round of mould 2, the first fixed axle 21 of top center department fixedly connected with of first round of mould 2, the position cover that the surface of first fixed axle 21 is close to the bottom is equipped with first bearing 22, first bearing 22 be provided with connecting rod 4 for the surface slides, the position screw thread connection that the surface of first fixed axle 21 is close to the top has first interior screw cap 23, first recess 24 has been seted up to the surface of first round of mould 2, a plurality of regulation holes 41 have been seted up at the top of connecting rod 4, the interior surface slide of one of regulation hole 41 is provided with second bearing 32, the interior surface slide of second bearing 32 is provided with second 31, the bottom fixedly connected with second round of second fixed axle 31, the surface of second fixed axle 31 has second round of mould 3, the screw thread connection has the extension of second axle 33, the surface of second wheel cap 34.

The whole embodiment 1 achieves the effect that the threaded rod 13 is screwed to be matched with the fixed block 12, so that the effect of driving the second clamping block 14 to move along the position of the first clamping block 11 is achieved, the purpose of fixing the metal pipe is achieved, then the extension handle 42 is held to rotate the connecting rod 4 to drive the second wheel die 3 to rotate around the first wheel die 2 by taking the circle center of the first wheel die 2 as the center, the first groove 24 is matched with the second groove 34 at the moment, the metal pipe is bent by extrusion, the gear 53 is driven to rotate by rotating the rotating column 54, the gear 53 is matched with the rack 51 to drive the rack 51 to move, the rotating amplitude of the connecting rod 4 is limited by abutting against the connecting rod 4, the metal pipe bending stroke of the connecting rod 4 is consistent each time, the metal pipe with the consistent bending degree is obtained, the precision of the metal pipe bending angle is improved, so that the quality of the produced sofa is improved, the scales are arranged at the top of the rack 51, the further improvement effect is achieved, the high-precision limiting shell 5 plays a role of limiting the rack and a limiting strip 51 matched with the limiting strip 52, and a limiting strip 52 matched with the limiting strip 52.

Embodiment 2, as shown in fig. 1 to 4, a position of the first clamping block 11 corresponds to a position of the second clamping block 14, the first groove 24 and the second groove 34 are correspondingly disposed, the top of the first wheel mold 2 is fixedly connected with the limiting strip 25, the top of the first wheel mold 2 is fixedly connected with the limiting shell 5, a rack 51 is slidably disposed at a position, located at the first limiting strip 25, of the top of the first wheel mold 2, a limiting groove 52 is formed in the bottom of the rack 51, a rotating column 54 is slidably disposed at the top of the limiting shell 5 in a penetrating manner, a gear 53 is fixedly connected to the bottom of the rotating column 54, an outer surface of the gear 53 is in meshing connection with an outer surface of the rack 51, a fixing bolt 55 is slidably connected to a top thread of the limiting shell 5 in a penetrating manner, and a position of the fixing bolt 55 corresponds to a position of the rack 51.

The effect that its whole embodiment 2 reached does, has played the effect that reduces connecting rod 4 and the effect of first fixed axle 21 surface friction through setting up first bearing 22, thereby laborsaving effect has been played, play the effect that reduces friction between second fixed axle 31 and the connecting rod 4 through setting up second bearing 32, thereby laborsaving effect has been played, play the effect that conveniently rotates connecting rod 4 through setting up the extension to 42, thereby the effect that facilitates the use has been played, the effect of fixed connecting rod 4 has been played through setting up first internal thread cap 23 and second internal thread cap 33, and the dismouting is carried out conveniently.

The working principle is as follows: when the metal pipe of the sofa framework needs to be bent, the threaded rod 13 is rotated to drive the second clamping block 14 to move to enable the second clamping block to be matched with the first clamping block 11 to play a role in fixing the metal pipe, then the extension handle 42 is held to rotate the connecting rod 4 to drive the second wheel mold 3 to rotate around the first wheel mold 2 by taking the circle center of the first wheel mold 2 as the center, at the moment, the first groove 24 is matched with the second groove 34 to play a role in bending the metal pipe through extrusion, the gear 53 is driven to rotate by rotating the rotating column 54, the gear 53 is matched with the rack 51 to play a role in driving the rack 51 to move, so that the rotating amplitude of the connecting rod 4 is limited by abutting against the connecting rod 4, the stroke of the connecting rod 4 for bending the metal pipe at each time is consistent, and the metal pipe with consistent bending degree is obtained, the precision of the angle of buckling of metal tube has been improved, thereby the quality of producing the sofa has been improved, rack 51 top is provided with the scale, the effect of further improvement precision has been played, at the in-process that rotates connecting rod 4, play the effect of reducing connecting rod 4 and the effect of first fixed axle 21 surface friction through setting up first bearing 22, thereby laborsaving effect has been played, play the effect of reducing friction between second fixed axle 31 and the connecting rod 4 through setting up second bearing 32, thereby laborsaving effect has been played, the effect of conveniently rotating connecting rod 4 has been played 42 through setting up the extension, thereby the effect that facilitates the use has been played, the effect of fixed connecting rod 4 has been played through setting up first internal thread cap 23 and second internal thread cap 33, and the dismouting is conveniently carried out.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a swan neck system of high accuracy sofa skeleton production usefulness, includes bottom plate (1), its characterized in that: the top of the bottom plate (1) is fixedly connected with a first clamping block (11) and a fixed block (12), the outer surface of the fixed block (12) is in threaded penetration connection with a threaded rod (13), the end face of the threaded rod (13) is rotatably connected with a second clamping block (14), the top of the bottom plate (1) is fixedly provided with a first wheel mold (2), the top center of the first wheel mold (2) is fixedly connected with a first fixed shaft (21), the position, close to the bottom, of the outer surface of the first fixed shaft (21) is sleeved with a first bearing (22), the outer surface of the first bearing (22) is provided with a connecting rod (4) in a sliding manner, the position, close to the top, of the outer surface of the first fixed shaft (21) is in threaded connection with a first internal thread cap (23), the outer surface of the first wheel mold (2) is provided with a first groove (24), the top of the connecting rod (4) is provided with a plurality of adjusting holes (41), the inner surface of one adjusting hole (41) is provided with a second bearing (32) in a sliding manner, the inner surface of the second bearing (32) is provided with a second fixed shaft (31), the bottom of the second wheel mold (31) is connected with a second groove (34), and the position, the outer surface of the second wheel mold (3) is connected with a second groove (33), the outer surface of the connecting rod (4) is fixedly connected with an extension handle (42).

2. The pipe bending device for high-precision sofa frame production according to claim 1, wherein: the position of the first clamping block (11) corresponds to the position of the second clamping block (14), and the first groove (24) and the second groove (34) are correspondingly arranged.

3. The pipe bending device for high-precision sofa frame production according to claim 1, wherein: the top fixedly connected with spacing strip (25) of first round mould (2), the top fixedly connected with spacing shell (5) of first round mould (2).

4. The pipe bending device for high-precision sofa frame production according to claim 1, wherein: the top of the first wheel mould (2) is provided with a rack (51) at the position of the first limiting strip (25) in a sliding manner, and the bottom of the rack (51) is provided with a limiting groove (52).

5. The pipe bending device for producing the high-precision sofa framework according to claim 3, wherein the pipe bending device comprises: the top of spacing shell (5) slides and runs through and is provided with rotation post (54), the bottom fixedly connected with gear (53) of rotation post (54), the surface of gear (53) is the meshing with the surface of rack (51) and is connected.

6. The pipe bending device for high-precision sofa frame production according to claim 3, wherein: the top thread of the limiting shell (5) is connected with a fixing bolt (55) in a penetrating mode, and the position of the fixing bolt (55) corresponds to the position of the rack (51).