CN212760488U

CN212760488U - Bidirectional round tube bending machine

Info

Publication number: CN212760488U
Application number: CN202020988699.8U
Authority: CN
Inventors: 周高中
Original assignee: Jinan Xianglong Office Furniture Co ltd
Current assignee: Jinan Xianglong Office Furniture Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-03-23
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses a bidirectional circular tube bending machine, which comprises a base, wherein the base is provided with bending mechanisms, the bending mechanisms are distributed on the base in a bilateral symmetry manner, the bending mechanisms comprise a rotating mechanism and a fixing mechanism, and the fixing mechanism is positioned at the inner side of the rotating mechanism; the rotating mechanism comprises a support frame and a shell, the support frame is mounted on the base, a driving mechanism for driving the shell to rotate is arranged in the support frame, a first guide wheel and a second guide wheel are arranged in the shell, when the round pipe is bent, the round pipe penetrates between the first guide wheel and the second guide wheel, the round pipe is located in the clamping groove, then the driving mechanisms of the rotating mechanisms at the two ends drive the shell to rotate synchronously, the two ends of the round pipe are bent simultaneously, and the bending efficiency is improved.

Description

Bidirectional round tube bending machine

Technical Field

The utility model belongs to the technical field of the pipe processing technique and specifically relates to a two-way pipe bender.

Background

The circular tube is made of steel material with two open ends and hollow concentric cross section, and the length of the steel material is larger than that of the periphery. Circular pipes are used in pipelines, thermal equipment, the mechanical industry, oil geological drilling, vessels, the chemical industry and special applications.

In the field of metal material processing, a metal round pipe is often required to be bent into a required shape, such as an arc with a certain radian. When the steel pipe is bent, the two ends of the steel pipe need to be bent, but the conventional bending machine is used for one-way bending, and after one end of the steel pipe is bent, the other end of the steel pipe is bent, so that the time consumption is long, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the above-mentioned problem, provide a two-way pipe bender, can bend simultaneously to the pipe both ends, it is efficient to bend.

The utility model provides a technical scheme that its technical problem adopted is:

a bidirectional circular tube bending machine comprises a base, wherein bending mechanisms are arranged on the base, are distributed on the base in a bilateral symmetry mode, and comprise a rotating mechanism and a fixing mechanism, and the fixing mechanism is located on the inner side of the rotating mechanism;

the rotating mechanism comprises a support frame and a shell, the support frame is arranged on the base, a driving mechanism for driving the shell to rotate is arranged in the support frame, and a first guide wheel and a second guide wheel are arranged in the shell;

the fixing mechanism comprises a stand column and a clamping mechanism, the stand column is installed on the base, the clamping mechanism comprises a hydraulic cylinder, a rotating plate and a sliding plate, the cylinder body end of the hydraulic cylinder is installed on the stand column, the front end of the stand column is provided with a cross beam, the sliding plate is installed on the cross beam and is in sliding connection with the cross beam, the rotating plate is rotatably connected with the upper end of the sliding plate, the rear end of the rotating plate is matched with a piston rod of the hydraulic cylinder, and the front end of the sliding plate is provided with a clamping.

Furthermore, the support frame is connected with the base through a guide rail and slider pair, a lead screw is arranged on the base, the lead screw is rotatably connected with the base, and one end of the inner side of the lead screw is in threaded connection with the base.

Furthermore, the driving mechanism comprises a motor and a rotating shaft, the motor is installed in the support frame, the rotating shaft is rotatably connected with the support frame, the upper end of the rotating shaft is connected with the shell, the axis of the rotating shaft is overlapped with the axis of the first guide wheel, a first gear is arranged at the output end of the motor, a second gear is arranged on the rotating shaft, and the first gear is meshed with the second gear.

Furthermore, grooves are formed in the outer cylindrical surface of the first guide wheel and the outer cylindrical surface of the second guide wheel, and the grooves in the first guide wheel and the second guide wheel are spliced into a circle.

Furthermore, connecting rods are arranged at two ends of the sliding plate, a guide block is arranged on the cross beam, the connecting rods penetrate through the guide block, and compression springs are arranged on the connecting rods.

Furthermore, the front end of the piston rod of the hydraulic cylinder is provided with an inclined plane, and the rear end of the rotating plate is matched with the inclined plane.

Furthermore, a connecting rod is arranged at one end of the outer side of the shell, a baffle used for positioning the end position of the round pipe is arranged on the connecting rod, and the baffle is connected with the connecting rod in a sliding mode.

The utility model has the advantages that:

1. the utility model discloses be equipped with the mechanism of bending on the well base, its the distribution of the mechanism bilateral symmetry of bending is on the base, the mechanism of bending includes rotary mechanism and fixed establishment, and rotary mechanism includes support frame and casing, the support mounting is on the base, be equipped with drive housing pivoted actuating mechanism in the support frame, be equipped with first leading wheel and second leading wheel in the casing, when bending, pass the pipe between first leading wheel and the second leading wheel to make the pipe be located the draw-in groove, later both ends rotary mechanism's drive housing synchronous rotation accomplishes the pipe both ends and bends simultaneously, improved the efficiency of bending.

2. The utility model discloses well fixed establishment includes stand and clamping mechanism, the column mouting is on the base, and clamping mechanism includes the pneumatic cylinder, changes board and slide, and pneumatic cylinder body end is installed on the stand, and the stand front end is equipped with the crossbeam, the slide install on the crossbeam and with through sliding connection between the crossbeam, change the board and rotate with the slide upper end and be connected, change board rear end and the cooperation of pneumatic cylinder piston rod, the slide front end is equipped with the draw-in groove, draw-in groove and pipe cooperation, roll over at the in-process of bending, the slide receives the pressure backward movement of pipe, under the effect of pneumatic cylinder piston rod, changes the board and rotates, changes the tight pipe of board front end pressure for the pipe is fixed more reliable, prevents that the pipe from beating.

3. The utility model discloses be equipped with the connecting rod in casing outside one end, be equipped with the baffle that is used for fixing a position pipe tip position on the connecting rod, sliding connection between baffle and the connecting rod, the baffle upper end is equipped with the sleeve, and the muffjoint is on the connecting rod and through the screw location, prescribes a limit to the position at pipe both ends through the baffle for the pipe symmetry of bending, or bend in the position that needs, the practicality is good.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

fig. 4 is a left side view of the present invention.

In the figure: the device comprises a base 1, a supporting frame 2, a shell 3, a first guide wheel 4, a second guide wheel 5, an upright post 6, a hydraulic cylinder 7, a rotating plate 8, a sliding plate 9, a cross beam 10, a clamping groove 11, a lead screw 12, a motor 13, a rotating shaft 14, a first gear 15, a second gear 16, a groove 17, a connecting rod 18, a guide block 19, a compression spring 20, an inclined plane 21, a connecting rod 22 and a baffle 23.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

As shown in fig. 1, the bidirectional circular tube bending machine comprises a base 1, wherein bending mechanisms are arranged on the base 1, the bending mechanisms are distributed on the base 1 in a bilateral symmetry manner, each bending mechanism comprises a rotating mechanism and a fixing mechanism, and the fixing mechanisms are located on the inner side of the rotating mechanism.

As shown in fig. 1 and 4, the rotating mechanism includes a support frame 2 and a housing 3, the support frame 2 is mounted on a base 1, the housing 3 is mounted at the upper end of the support frame 2 and is rotatably connected with the support frame 2, a driving mechanism for driving the housing 3 to rotate is arranged in the support frame 2, a first guide wheel 4 and a second guide wheel 5 are arranged in the housing 3, and the first guide wheel 4 and the second guide wheel 5 are rotatably connected with the housing 3; grooves 17 are formed in the outer cylindrical surface of the first guide wheel 4 and the outer cylindrical surface of the second guide wheel 5, the grooves 17 in the first guide wheel 4 and the second guide wheel 5 are spliced into a circular shape, and the circular tube penetrates through the circular hole and is firmly fixed.

As shown in fig. 1, the support frame 2 is connected with the base 1 through a guide rail and slider pair, the base 1 is provided with the lead screw 12, the lead screw 12 is rotatably connected with the base 1 through a bearing, one end of the inner side of the lead screw 12 is in threaded connection with the base 1, the base 1 is provided with a nut, the lead screw 12 is matched with the nut, the interval between the rotating mechanisms on two sides can be adjusted by rotating the lead screw, the bending can be performed at different positions, and the practicability is good.

As shown in fig. 4, the driving mechanism includes a motor 13 and a rotating shaft 14, the motor 13 is installed in the support frame 2, the rotating shaft 14 is rotatably connected with the support frame 2 through a bearing, the upper end of the rotating shaft 14 is connected with the housing 3, the axis of the rotating shaft 14 is overlapped with the axis of the first guide wheel 4, the output end of the motor 13 is provided with a first gear 15, the rotating shaft 14 is provided with a second gear 16, the first gear 15 is meshed with the second gear 16, and during bending, the motor 13 drives the rotating shaft 14 to rotate through the first gear 15 and the second gear 16, so as to drive the housing to rotate, thereby realizing bending.

As shown in fig. 1 and 2, the fixing mechanism includes a stand 6 and a clamping mechanism, the stand 6 is installed on the base 1, the clamping mechanism includes a hydraulic cylinder 7, a rotating plate 8 and a sliding plate 9, the cylinder end of the hydraulic cylinder 7 is installed on the stand 6, the front end of the stand 6 is provided with a cross beam 10, the sliding plate 9 is installed on the cross beam 10 and is in sliding connection with the cross beam 10 through a guide rail and a sliding block pair, the rotating plate 8 is rotatably connected with the upper end of the sliding plate 9, the rear end of the rotating plate 8 is matched with a piston rod of the hydraulic cylinder 7, the front end of the sliding plate 9 is provided with a clamping groove 11, the clamping groove 11 is matched with a round pipe.

As shown in fig. 1 and 2, two ends of the sliding plate 9 are provided with connecting rods 18, the cross beam 10 is provided with a guide block 19, the connecting rods 18 penetrate through the guide block 19, the connecting rods 18 are provided with compression springs 20, and after bending is finished, the shell is reset, and the compression springs 20 can help the sliding plate 9 to reset, so that the rotating plate 8 loosens the round pipe.

As shown in fig. 4, the front end of the piston rod of the hydraulic cylinder 7 is provided with an inclined plane 21, the rear end of the rotating plate 8 is matched with the inclined plane 21, when the rotating plate 8 moves backwards, the inclined plane 21 can drive the rotating plate to rotate, and meanwhile, when steel pipes with different diameters are bent, the piston rod of the hydraulic cylinder 7 can move back and forth for a short distance, so that the front end of the rotating plate 8 can be guaranteed to be capable of compressing a round pipe.

During bending, the circular tube passes through the space between the first guide wheel 4 and the second guide wheel 5, the circular tube is positioned in the clamping groove 11, and then the driving mechanisms of the rotating mechanisms at the two ends drive the shell to synchronously rotate, so that the two ends of the circular tube are bent simultaneously; in the bending process, the sliding plate 9 is moved backwards under the pressure of the round pipe, the rotating plate 8 rotates under the action of the piston rod of the hydraulic cylinder, and the round pipe is pressed at the front end of the rotating plate 8, so that the round pipe is fixed more reliably, and the round pipe is prevented from jumping.

As shown in fig. 1 and 3, a connecting rod 22 is arranged at one end of the outer side of the shell 3, a baffle 23 used for positioning the end position of the circular tube is arranged on the connecting rod 22, the baffle 23 is in sliding connection with the connecting rod 22, a sleeve is arranged at the upper end of the baffle 23, the sleeve is sleeved on the connecting rod 22 and is positioned through screws, the positions of the two ends of the circular tube are limited through the baffle 23, the circular tube is bent symmetrically, or the circular tube is bent at a required position, and the practicability is good.

In the description of the present invention, it should be noted that the terms "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be mechanically or electrically connected, directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The bidirectional circular tube bending machine comprises a base (1), wherein bending mechanisms are arranged on the base (1), and is characterized in that the bending mechanisms are distributed on the base (1) in a bilateral symmetry manner and comprise a rotating mechanism and a fixing mechanism, and the fixing mechanism is positioned on the inner side of the rotating mechanism;

the rotating mechanism comprises a support frame (2) and a shell (3), the support frame (2) is installed on the base (1), a driving mechanism for driving the shell (3) to rotate is arranged in the support frame (2), and a first guide wheel (4) and a second guide wheel (5) are arranged in the shell (3);

fixing mechanism includes stand (6) and clamping mechanism, install on base (1) stand (6), clamping mechanism includes pneumatic cylinder (7), changes board (8) and slide (9), and pneumatic cylinder (7) cylinder body end is installed on stand (6), and stand (6) front end is equipped with crossbeam (10), slide (9) install on crossbeam (10) and with crossbeam (10) between through sliding connection, change board (8) and slide (9) upper end and rotate and be connected, change board (8) rear end and the cooperation of pneumatic cylinder (7) piston rod, slide (9) front end is equipped with draw-in groove (11), draw-in groove (11) and pipe cooperation.

2. The bidirectional circular tube bending machine according to claim 1, wherein the support frame (2) is connected with the base (1) through a guide rail and slider pair, a lead screw (12) is arranged on the base (1), the lead screw (12) is rotatably connected with the base (1), and one end of the inner side of the lead screw (12) is in threaded connection with the base (1).

3. The bidirectional circular tube bending machine according to claim 1, wherein the driving mechanism comprises a motor (13) and a rotating shaft (14), the motor (13) is installed in the support frame (2), the rotating shaft (14) is rotatably connected with the support frame (2), the upper end of the rotating shaft (14) is connected with the housing (3), the axis of the rotating shaft (14) is overlapped with the axis of the first guide wheel (4), the output end of the motor (13) is provided with a first gear (15), the rotating shaft (14) is provided with a second gear (16), and the first gear (15) is meshed with the second gear (16).

4. The machine according to claim 1, characterized in that said first guide wheel (4) and said second guide wheel (5) have grooves (17) on both outer cylindrical surfaces, said grooves (17) being spliced into a circular shape on said first guide wheel (4) and said second guide wheel (5).

5. A machine for bending bidirectional round tubes according to claim 1, wherein the slide plate (9) is provided at both ends with connecting rods (18), the cross beam (10) is provided with guide blocks (19), the connecting rods (18) pass through the guide blocks (19), and the connecting rods (18) are provided with compression springs (20).

6. The machine according to claim 1, wherein the front end of the piston rod of the hydraulic cylinder (7) is provided with an inclined surface (21), and the rear end of the rotating plate (8) is matched with the inclined surface (21).

7. A bidirectional round tube bending machine according to claim 1, wherein a connecting rod (22) is provided at one end of the outer side of the housing (3), a baffle (23) for positioning the end position of the round tube is provided on the connecting rod (22), and the baffle (23) is slidably connected with the connecting rod (22).