CN214133467U

CN214133467U - Pipe bending machine for processing swivel chair leg rest

Info

Publication number: CN214133467U
Application number: CN202023338597.0U
Authority: CN
Inventors: 朱炳华; 吕军; 周云忠
Original assignee: Hangzhou Lin'an Huaguan Furniture Co ltd
Current assignee: Hangzhou Lin'an Huaguan Furniture Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-07
Anticipated expiration: 2030-12-31

Abstract

The application relates to a bending machine for processing swivel chair bracket, including setting up the workstation subaerial and the mechanism of buckling of setting on the workstation, the mechanism of buckling includes two subassemblies of buckling and drive assembly, two the subassembly of buckling is buckled with the both ends of U type pipe respectively, drive assembly is used for driving two subassemblies synchronous operation of buckling. This application has the effect that improves the staff and buckle U type pipe and be swivel chair bracket machining efficiency.

Description

Pipe bending machine for processing swivel chair leg rest

Technical Field

The application relates to the field of swivel chair processing equipment, in particular to a pipe bending machine for processing a swivel chair leg rest.

Background

The swivel chair is an office tool frequently used in the current office place, is convenient to move, can adjust the height, and is popular with the current office staff.

The swivel chair bracket is an essential part of a swivel chair, is formed by bending a straight pipe, is required to be bent into a U-shaped pipe by a pipe bending machine, and then is bent by 90 degrees towards the inner side of the U-shaped pipe at two ends of the U-shaped pipe by using the pipe bending machine to form the swivel chair bracket.

In view of the above-mentioned related technologies, the inventor finds that when bending two ends of a U-shaped pipe, a worker needs to bend the two ends of the U-shaped pipe respectively, which is complicated to operate and low in machining efficiency.

Disclosure of Invention

In order to improve the staff and be the machining efficiency of swivel chair bracket with U type pipe bending, this application provides a bending machine for processing swivel chair bracket.

The application provides a bending machine for processing swivel chair bracket adopts following technical scheme:

the utility model provides a bending machine for processing swivel chair bracket, is including setting up the workstation subaerial and setting up the mechanism of buckling on the workstation, the mechanism of buckling includes two subassemblies of buckling and drive assembly, two the subassembly of buckling is buckled with the both ends of U type pipe respectively, drive assembly is used for driving two subassemblies synchronous operation of buckling.

Through adopting above-mentioned technical scheme, when using the bending machine to buckle the shaping to U type pipe, earlier place U type pipe level on the workstation to make the both ends of U type pipe be located two bending assembly respectively, then start drive assembly, drive two bending assembly synchronous operation, disposable buckle the both ends of U type pipe, shortened the operating procedure that the staff buckled into the swivel chair bracket with U type pipe, and then improved the machining efficiency of U type pipe.

Optionally, the bending assembly comprises a bending table rotatably arranged on the workbench and a clamping assembly arranged on the bending table and used for clamping two ends of the U-shaped pipe;

the clamping assembly comprises a fixed round block coaxially fixed on the bending table, a clamping block arranged on the bending table in a sliding mode and a power part arranged on the bending table and used for driving the clamping block to slide towards the direction of the fixed round block, and the end face, abutted against the clamping block, of the fixed round block is arranged to be a plane.

Through adopting above-mentioned technical scheme, when using the subassembly of buckling to fix U type pipe, at first place two clamping unit respectively with the both ends of U type pipe in, make the one end of U type pipe be located fixed circle piece and press from both sides between the tight piece, then start power spare, drive and press from both sides tight piece and remove to the direction of fixing the circle piece towards, until press from both sides tight piece and fixed circle piece with the one end of U type pipe fixed can, made things convenient for the staff to use the subassembly of buckling to buckle the both ends of U type pipe.

Optionally, an arc-shaped groove for clamping two ends of the U-shaped pipe is formed in the end face, opposite to the fixed round block, of the clamping block.

By adopting the technical scheme, the contact area between the clamping block and the U-shaped pipe is increased, and the clamping block can stably clamp one end of the U-shaped pipe on the fixed round block.

Optionally, the driving assembly includes a first driven gear and a second driven gear respectively coaxially connected with the lower end portions of the two bending tables, a driving gear engaged with the teeth of the first driven gear, a transmission gear rotatably disposed on the ground and respectively engaged with the second driven gear and the driving gear, and a driving motor disposed on the ground in the vertical direction and coaxially connected with the driving gear.

Through adopting above-mentioned technical scheme, when using two bending assemblies of drive assembly drive to buckle, start driving motor, driving motor drives the driving gear and rotates, the driving gear drives first driven gear and rotates, first driven gear drives one of them bending assembly and rotates, the driving gear drives drive gear simultaneously and rotates, drive gear drives second driven gear and rotates, second driven gear drives another bending assembly and rotates, make two bending assemblies all can buckle towards the inside direction of U type pipe to the both ends of U type pipe.

Optionally, the U-shaped pipe includes a bottom pipe and two side pipes vertically arranged at two ends of the bottom pipe, a positioning assembly for positioning the U-shaped pipe is arranged on the workbench, the positioning assembly includes a positioning block arranged on the workbench, and the positioning block is parallel to and abutted against the bottom pipe in the U-shaped pipe.

Through adopting above-mentioned technical scheme, the setting of locating piece has made things convenient for the staff to confirm the processing position of U type pipe, when placing the workstation with U type pipe on, only need guarantee the bottom tube in the U type pipe and conflict with the locating piece parallel to two side pipes in the U type pipe are located clamping assembly can.

Optionally, the positioning assembly further includes two limiting blocks disposed on the workbench, the two limiting blocks are respectively located at two sides of the positioning block, and the two limiting blocks respectively abut against two side pipes in the U-shaped pipe.

Through adopting above-mentioned technical scheme, the setting of stopper is injectd two side pipes of U type pipe, and when the mechanism of buckling drove two side pipes and buckle, two side pipes of U type pipe moved along the length direction of stopper under the restriction of stopper, have improved the stability that U type pipe slided.

Optionally, the workbench is provided with a control assembly for controlling the positioning block to slide along the direction of the bottom pipe in the U-shaped pipe, the control assembly comprises a control frame arranged on one side of the workbench back to the bending mechanism and control rods penetrating through the control frame along horizontal direction threads, the two control rods are arranged perpendicular to the bottom pipe in the U-shaped pipe, and the control rods are rotatably connected with the positioning block.

By adopting the technical scheme, when the side pipes with different lengths in the U-shaped pipe are required to be bent, the distance between the positioning block and the bending component needs to be adjusted at first, the control rod drives the positioning block to move along the length direction of the control rod through screwing the control rod, and then the distance between the positioning block and the bending component is adjusted, so that the positioning component can be suitable for processing the U-shaped pipes with different side pipe lengths.

Optionally, a sliding block is arranged on the end face of the positioning block, which is abutted to the workbench, and a sliding groove for the sliding block to slide along the direction perpendicular to the bottom pipe is formed in the position, which is over against the sliding block, of the workbench.

Through adopting above-mentioned technical scheme, the setting of slider and spout has improved the sliding stability between locating piece and the workstation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the bending mechanism, two ends of the U-shaped pipe can be bent at one time, so that the operation step of bending the U-shaped pipe into a swivel chair leg rest by a worker is shortened, and the processing efficiency of the U-shaped pipe is improved;

2. due to the arrangement of the driving assembly, the use of a power source is reduced, and the synchronous operation of the two clamping assemblies is ensured;

3. through setting up locating component, fix a position the position of U type pipe and workstation, made things convenient for the staff with quick and accurate putting into of U type pipe buckle the mechanism in and buckle the processing.

Drawings

FIG. 1 is a schematic view of a U-tube embodied in the present application.

Fig. 2 is an overall view of an embodiment of the present application.

Fig. 3 is an exploded view of an embodiment of the present application embodying a control assembly.

Description of reference numerals: 1. a U-shaped pipe; 11. a bottom tube; 12. a side tube; 2. a work table; 21. a chute; 3. a bending mechanism; 4. a bending assembly; 41. a bending station; 42. a clamping assembly; 421. fixing the round block; 422. a clamping block; 4221. an arc-shaped slot; 423. a cylinder; 5. a drive assembly; 51. a first driven gear; 52. a second driven gear; 53. a driving gear; 54. a drive motor; 55. a transmission gear; 6. a positioning assembly; 61. positioning blocks; 611. a slider; 62. a limiting block; 7. a control component; 71. a control frame; 72. a control lever; 73. a handwheel.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The forming is accomplished by a straight tube to the swivel chair bracket, combines figure 1, and the both ends of straight tube are at first buckled, form a U type pipe 1, and U type pipe 1 includes bottom tube 11 and two side tubes 12, and two side tubes 12 are laid with bottom tube 11 is perpendicular, then buckle two side tubes 12, form the swivel chair bracket, and this application aims at improving the machining efficiency that U type pipe 1 buckles and is the swivel chair bracket.

The embodiment of the application discloses a bending machine for processing a swivel chair leg rest. Referring to fig. 2 and 3, the pipe bending machine comprises a workbench 2, a bending mechanism 3 and a positioning assembly 6, the workbench 2 is fixed on the ground, the table top of the workbench 2 is horizontally arranged, the bending mechanism 3 is arranged on the workbench 2 and used for completing the U-shaped pipe 1 on the workbench 2, and the positioning assembly 6 is arranged on the workbench 2 and used for positioning the U-shaped pipe 1 on the workbench 2.

The bending mechanism 3 comprises two bending assemblies 4 and a driving assembly 5, the two bending assemblies 4 are symmetrically arranged on the workbench 2, the two bending assemblies 4 are used for bending two side pipes 12 in the U-shaped pipe 1 respectively, and the driving assembly 5 is arranged on the workbench 2 and used for driving the two bending assemblies 4 to run synchronously.

Bending assembly 4 includes bending table 41, fixed circle 421, press from both sides tight piece 422 and power spare, bending table 41 rotates and sets up on the mesa of workstation 2, fixed circle 421 with the coaxial rigid coupling of bending table 41, press from both sides tight piece 422 setting and deviate from the one end of another bending assembly 4 at fixed circle 421, and press from both sides

tight piece

422 and 41 sliding connection of bending table, power spare sets up to cylinder 423, cylinder 423 fixes on bending table 41 along the horizontal direction, and be located and press from both sides tight piece 422 and deviate from one side of fixed circle 421, the piston rod of cylinder 423 is fixed on pressing from both sides tight piece 422, one side that fixed circle 421 orientation pressed from both sides tight piece 422 sets up to the plane, press from both sides tight piece 422 and just set up the arc groove 4221 that holds side pipe 12 on the terminal surface of fixed circle 421.

The driving assembly 5 is arranged at the lower end part of the workbench 2, the driving assembly 5 comprises a first driven gear 51, a second driven gear 52, a driving gear 53, a transmission gear 55 and a driving motor 54, the first driven gear 51 is coaxially fixedly connected to one bending platform 41, the second driven gear 52 is coaxially fixedly connected to the other bending platform 41, the platform is arranged on the ground, the driving motor 54 is vertically and upwards fixed on the platform, the driving gear 53 is coaxially fixedly connected to an output shaft of the driving motor 54, the driving gear 53 is meshed with the first driven gear 51 in a tooth mode, the transmission gear 55 is rotatably arranged on the platform, and the transmission gear 55 is respectively meshed with the second driven gear 52 and the driving gear 53 in a tooth mode.

The positioning assembly 6 comprises a positioning block 61 and two limiting blocks 62, the positioning block 61 is fixed on the outer face of the workbench 2, the positioning block 61 is arranged in parallel with the bottom pipe 11 in the U-shaped pipe 1, the two limiting blocks 62 are arranged, the two limiting blocks 62 are respectively fixed on the workbench 2 and located on two sides of the positioning block 61, the two limiting blocks are respectively arranged in parallel with the side pipe 12 in the U-shaped pipe 1, and the positioning block 61 and the two limiting blocks 62 form the U-shaped positioning assembly 6 clamped with the U-shaped pipe 1.

Be provided with the control assembly 7 of control locating piece 61 position on workstation 2, control assembly 7 includes control frame 71 and control lever 72, control frame 71 is fixed to be set up on the mesa of workstation 2, control lever 72 is provided with two, two control lever 72 intervals set up, control lever 72 passes control frame 71 along the horizontal direction bolt, and control lever 72 rotates perpendicularly and connects on locating piece 61, the coaxial rigid coupling of one end that control lever 72 deviates from locating piece 61 has hand wheel 73, interval on the terminal surface that locating piece 61 and workstation 2 contradict is fixed with two sliders 611, workstation 2 has just seted up spout 21 to the position of slider 611, spout 21 is laid along the direction of perpendicular to bottom tube 11, slider 611 sets up to trapezoidal slider 611, spout 21 sets up to trapezoidal spout 21.

The implementation principle of the pipe bender for processing the leg rest of the swivel chair in the embodiment of the application is as follows: when the U-shaped pipe 1 needs to be bent, firstly, the position of the positioning block 61 is adjusted according to the length of the side pipe 12 in the U-shaped pipe 1, the positioning block 61 is driven to move along the sliding groove 21 by screwing the hand wheel 73 until the requirement of a worker is met, then, the U-shaped pipe 1 is placed in the positioning assembly 6, the two side pipes 12 of the U-shaped pipe 1 are respectively positioned in the two clamping assemblies 42, the air cylinder 423 is started, the clamping block 422 and the fixed round block 421 clamp the side pipes 12 of the U-shaped pipe 1, and then, the driving motor 54 is started to drive the two clamping assemblies 42 to synchronously rotate.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a bending machine for processing swivel chair bracket which characterized in that: the bending mechanism comprises a workbench (2) arranged on the ground and a bending mechanism (3) arranged on the workbench (2), wherein the bending mechanism (3) comprises two bending assemblies (4) and a driving assembly (5), the two bending assemblies (4) are respectively bent with two ends of a U-shaped pipe (1), and the driving assembly (5) is used for driving the two bending assemblies (4) to synchronously run.

2. The bender for processing a swivel chair leg rest according to claim 1, wherein: the bending assembly (4) comprises a bending table (41) rotatably arranged on the workbench (2) and a clamping assembly (42) arranged on the bending table (41) and used for clamping two ends of the U-shaped pipe (1);

the clamping assembly (42) comprises a fixed round block (421) coaxially fixed on the bending table (41), a clamping block (422) arranged on the bending table (41) in a sliding mode and a power part arranged on the bending table (41) and used for driving the clamping block (422) to slide towards the direction of the fixed round block (421), and the end face, abutted against the clamping block (422), of the fixed round block (421) is arranged to be a plane.

3. The bender for processing a swivel chair leg rest according to claim 2, wherein: the end face, opposite to the fixed round block (421), of the clamping block (422) is provided with arc-shaped grooves (4221) for clamping two ends of the U-shaped pipe (1).

4. The bender for processing a swivel chair leg rest according to claim 2, wherein: the driving assembly (5) comprises a first driven gear (51) and a second driven gear (52) which are respectively and coaxially connected with the lower end portions of the two bending tables (41), a driving gear (53) meshed with teeth of the first driven gear (51), a transmission gear (55) which is rotatably arranged on the ground and respectively meshed with the second driven gear (52) and the driving gear (53), and a driving motor (54) which is arranged on the ground along the vertical direction and is coaxially connected with the driving gear (53).

5. The bender for processing a swivel chair leg rest according to claim 1, wherein: u type pipe (1) includes bottom tube (11) and lays two side pipes (12) at bottom tube (11) both ends perpendicularly, be provided with on workstation (2) and carry out locating component (6) of location to U type pipe (1) position, locating component (6) are including setting up locating piece (61) on workstation (2), bottom tube (11) parallel and conflict in locating piece (61) and U type pipe (1).

6. The bender for processing a swivel chair leg rest according to claim 5, wherein: the positioning assembly (6) further comprises two limiting blocks (62) arranged on the workbench (2), the two limiting blocks (62) are respectively located on two sides of the positioning block (61), and the two limiting blocks are respectively abutted to the two side pipes (12) in the U-shaped pipe (1).

7. The bender for processing a swivel chair leg rest according to claim 5, wherein: be provided with on workstation (2) and be used for controlling gliding control assembly (7) of locating piece (61) along bottom tube (11) direction in perpendicular to U type pipe (1), control assembly (7) are including setting up in workstation (2) deviating from control frame (71) of buckling mechanism (3) one side and pass control lever (72) of control frame (71) along the horizontal direction screw thread, control lever (72) are provided with two, and bottom tube (11) are laid in two control lever (72) equal perpendicular to U type pipe (1), control lever (72) are connected with locating piece (61) rotation.

8. The bender for processing a swivel chair leg rest according to claim 7, wherein: the end face of the positioning block (61) which is abutted to the workbench (2) is provided with a sliding block (611), and a sliding groove (21) for the sliding block (611) to slide along the direction vertical to the bottom pipe (11) is formed in the position, opposite to the sliding block (611), of the workbench (2).