CN220196016U - Double-end pipe bending machine - Google Patents

Abstract

The utility model discloses a double-head pipe bending machine, which comprises a frame, wherein a first pipe bending mechanism and a second pipe bending mechanism are arranged on the frame, and are respectively used for bending two ends of a pipe body of an electric heating pipe; the first pipe bending mechanism comprises a mounting table, a first positioning piece, a first limiting piece and a bending die, wherein the mounting table is used for supporting the electric heating pipe, the first positioning piece is used for positioning one end of the electric heating pipe, a first limiting groove is formed in the first limiting piece, the first limiting groove is used for accommodating the pipe body, the first limiting groove is used for limiting the two radial sides of the pipe body, and the bending die is located between the first positioning piece and the first limiting piece; the mounting table comprises a table body and a first moving seat, wherein the first moving seat is used for driving the bending die to move along the radial direction of the pipe body so as to enable the rotation axis of the bending die to be transferred at two radial sides of the pipe body. The double-head pipe bending machine can adjust the bending direction of the bending die to the pipe body of the electric heating pipe, and is suitable for various specifications of bent pipes.

Description

Double-end pipe bending machine

Technical Field

The utility model relates to the technical field of pipe bending machines, in particular to a double-head pipe bending machine.

Background

The electric heating tube is an electrical element which is specially used for converting electric energy into heat energy, and structurally comprises a tube body and core rods arranged at two ends of the tube body.

The pipe bending machine is equipment for bending the electric heating pipe, wherein the double-head pipe bending machine is one of pipe bending machines, and the double-head pipe bending machine can bend two ends of a pipe body of the electric heating pipe simultaneously.

In the related art, the double-head pipe bending machine comprises two pipe bending devices which are oppositely arranged, wherein each pipe bending device comprises a bending die and a first motor for driving the bending die to rotate, and the bending die rotates to drive the pipe body of the electric heating pipe to bend.

In the position, the rotation axis of the bending die is positioned at one radial side of the electric heating tube, and when the bending die rotates, the bending die can drive the tube body of the electric heating tube to bend along the rotation axis of the bending die.

However, the existing double-head pipe bending machine cannot adjust the bending direction of the bending die to the pipe body of the electric heating pipe, and the bending specification is single.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the double-head pipe bending machine provided by the utility model can adjust the bending direction of the bending die to the pipe body of the electric heating pipe, and is suitable for various specifications of bent pipes.

According to the embodiment of the first aspect of the utility model, the double-head pipe bending machine comprises a frame, wherein a first pipe bending mechanism and a second pipe bending mechanism are arranged on the frame, and the first pipe bending mechanism and the second pipe bending mechanism are respectively used for bending two ends of a pipe body of an electric heating pipe; the first pipe bending mechanism comprises a mounting table, a first positioning piece, a first limiting piece and a bending die, wherein the first positioning piece, the first limiting piece and the bending die are arranged on the mounting table, the mounting table is arranged on the rack and used for supporting the electric heating pipe, the first positioning piece is used for positioning one end of the electric heating pipe, the first limiting piece is positioned on one side, close to the second pipe bending mechanism, of the first positioning piece, a first limiting groove is formed in the first limiting piece and used for accommodating a pipe body, the first limiting groove is used for limiting two radial sides of the pipe body, and the bending die is positioned between the first positioning piece and the first limiting piece and used for bending one end of the pipe body; the mounting table comprises a table body arranged on the machine frame and a first movable seat arranged on the table body in a sliding manner, wherein the bending die is arranged on the first movable seat, and the first movable seat is used for driving the bending die to move along the radial direction of the pipe body so that the rotation axis of the bending die is transferred at two radial sides of the pipe body.

The double-head pipe bending machine provided by the embodiment of the utility model has at least the following beneficial effects:

1. according to the utility model, the first pipe bending mechanism and the second pipe bending mechanism are arranged on the frame and are respectively used for bending the two ends of the pipe body of the electric heating pipe, so that the first pipe bending mechanism and the second pipe bending mechanism are matched to bend the two ends of the pipe body of the electric heating pipe at the same time, and further, the double-head pipe bending effect of the double-head pipe bending machine on the electric heating pipe is realized.

2. According to the utility model, the mounting table is arranged on the frame through the first pipe bending mechanism, and the mounting table is used for supporting the electric heating pipe, so that the electric heating pipe can be stably placed on the mounting table.

3. According to the utility model, the first positioning piece is arranged on the mounting table and is used for positioning one end of the electric heating tube, so that the electric heating tube is conveniently positioned, and the bending position of the double-head pipe bender on the electric heating tube is more accurate.

4. According to the pipe bending machine, the first limiting piece is arranged on the mounting table and is positioned on one side, close to the second pipe bending mechanism, of the first positioning piece, the first limiting groove is arranged on the first limiting piece and is used for accommodating the pipe body, the first limiting groove is used for limiting two radial sides of the pipe body, and when the pipe body is bent, the straight pipe section of the pipe body is easy to arch and deform to one side far from the bending die, and the first limiting groove can limit two radial sides of the pipe body, so that the first limiting groove can prevent the straight pipe section of the pipe body from arch and deforming.

5. According to the utility model, the bending die is arranged on the mounting table and is positioned between the first positioning piece and the first limiting piece, and the bending die is used for bending one end of the pipe bending body, so that the pipe bending machine can bend the electric heating pipe.

6. According to the utility model, the mounting table comprises the table body arranged on the frame and the first movable seat arranged on the table body in a sliding manner, the bending die is arranged on the first movable seat, the first movable seat is used for driving the bending die to move along the radial direction of the pipe body so as to enable the rotation axis of the bending die to be transferred along the radial direction of the pipe body, and as can be understood, the first movable seat can move along the radial direction of the pipe body on the table body, so that the rotation axis of the bending die can be transferred along the radial direction of the pipe body, when the rotation axis of the bending die is arranged on one radial side of the pipe body, the bending die can bend the pipe body in one direction, and when the rotation axis of the bending die is arranged on the other radial side of the pipe body, the bending direction of the bending die to the pipe body of the electric heating pipe can be conveniently adjusted, and the bending die is suitable for various processing specifications.

According to some embodiments of the utility model, the first screw and the first motor for driving the first screw to rotate are arranged on the table body, the first screw is rotationally connected with the table body, the first screw is in threaded connection with the first moving seat, and the first screw is used for driving the first moving seat to move.

According to some embodiments of the utility model, the table body is provided with a first guide rod, and the first moving seat is provided with a first guide hole for accommodating the first guide rod to slide.

According to some embodiments of the utility model, a first cylinder is arranged on the first moving seat, and the first cylinder is used for driving the bending die to lift along a direction perpendicular to the mounting table.

According to some embodiments of the utility model, the mounting table is provided with a second cylinder for driving the first limiting member to lift in a direction perpendicular to the mounting table.

According to some embodiments of the utility model, the first positioning piece is provided with a first positioning groove, and the first positioning groove is used for accommodating a core rod at one end of the electric heating tube.

According to some embodiments of the utility model, the mounting table is provided with a third cylinder for driving the first positioning member to lift in a direction perpendicular to the mounting table so as to enable the first positioning groove to approach and separate from the core rod.

According to some embodiments of the utility model, the mounting table is slidably connected with the frame, the frame is provided with a second screw rod and a second motor for driving the second screw rod to rotate, the second screw rod is arranged along the axial extension of the electric heating tube, the second screw rod is rotatably connected with the frame, the second screw rod is in threaded connection with the mounting table, and the second screw rod rotates to drive the mounting table to approach and depart from the second pipe bending mechanism along the axial direction of the electric heating tube.

According to some embodiments of the utility model, a tube clamping assembly is further arranged on the frame, the tube clamping assembly is located between the first tube bending mechanism and the second tube bending mechanism, and the tube clamping assembly is used for clamping and fixing a tube body of the electric heating tube.

According to some embodiments of the utility model, the clamp tube assembly comprises a first clamp, a second clamp and a fourth cylinder driving the first clamp and the second clamp to move towards and away from each other, and the first clamp and the second clamp are matched to clamp and unclamp a tube body.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of a dual-head pipe bender according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a portion of the dual head pipe bender shown in FIG. 1;

FIG. 3 is a schematic view of the first pipe bending mechanism shown in FIG. 2;

fig. 4 is a schematic view of the first pipe bending mechanism shown in fig. 2 from another perspective.

Reference numerals: 100-frame, 110-first pipe bending mechanism, 120-second pipe bending mechanism, 130-mounting table, 140-first positioning piece, 150-first limiting piece, 160-bending die, 170-first limiting groove, 180-table body, 190-first moving seat, 200-first screw, 210-first motor, 220-first guide rod, 230-first guide hole, 240-first cylinder, 250-second cylinder, 260-first positioning groove, 270-third cylinder, 280-second screw, 290-second motor, 300-clamping pipe assembly, 310-first clamp, 320-second clamp and 330-fourth cylinder.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

A double-ended tube bending machine according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

Referring to fig. 1 and 2, a double-head pipe bender according to an embodiment of the present utility model includes a frame 100, and a first pipe bending mechanism 110 and a second pipe bending mechanism 120 are disposed on the frame 100, where the first pipe bending mechanism 110 and the second pipe bending mechanism 120 are respectively used for bending two ends of a pipe body of an electrothermal pipe.

According to the embodiment, the first pipe bending mechanism 110 and the second pipe bending mechanism 120 are arranged on the frame 100, and the first pipe bending mechanism 110 and the second pipe bending mechanism 120 are respectively used for bending two ends of the pipe body of the electric heating pipe, so that the first pipe bending mechanism 110 and the second pipe bending mechanism 120 are matched to bend two ends of the pipe body of the electric heating pipe simultaneously, and further, the double-head pipe bending effect of the double-head pipe bending machine on the electric heating pipe is achieved.

Referring to fig. 3 and 4, for the first pipe bending mechanism 110, the first pipe bending mechanism 110 includes a mounting table 130, a first positioning member 140 provided on the mounting table 130, a first stopper 150, and a bending die 160.

Specifically, the mounting table 130 is disposed on the frame 100, and the mounting table 130 is used to support the electric heating tube, so that the electric heating tube can be stably placed on the mounting table 130.

In some specific embodiments, the mounting table 130 is slidably connected to the frame 100, the frame 100 is provided with a second screw 280 and a second motor 290 for driving the second screw 280 to rotate, the second screw 280 is disposed along an axial extension of the electrothermal tube, the second screw 280 is rotationally connected to the frame 100, the second screw 280 is in threaded connection with the mounting table 130, and the second screw 280 rotates to drive the mounting table 130 to approach and depart from the second pipe bending mechanism 120 along the axial direction of the electrothermal tube, so that the distance between the first pipe bending mechanism 110 and the second pipe bending mechanism 120 can be conveniently adjusted, and further, the first pipe bending mechanism 110 and the second pipe bending mechanism 120 can adapt to bending of electrothermal tubes with different lengths.

Further, the first guide rod 220 is disposed on the frame 100, the mounting table 130 is provided with a first guide groove, and the first guide rod 220 and the first guide groove are cooperatively guided, so that the movement of the mounting table 130 is smoother.

In some specific embodiments, the first positioning member 140 is used to position one end of the electrothermal tube, so that the electrothermal tube is conveniently positioned, and the bending position of the double-head pipe bender on the electrothermal tube is more accurate.

Further, the first positioning piece 140 is provided with a first positioning groove 260, and the first positioning groove 260 is used for accommodating a core rod at one end of the electric heating tube, so that the first positioning groove 260 can avoid the core rod, the side wall of the first positioning piece 140 can be conveniently abutted to the end part of the tube body of the electric heating tube, and further, the first positioning piece 140 can be used for positioning the electric heating tube more easily.

In some specific embodiments, the mounting table 130 is provided with a third air cylinder 270, and the third air cylinder 270 is used to drive the first positioning member 140 to lift in a direction perpendicular to the mounting table 130 so as to make the first positioning slot 260 approach and separate from the mandrel.

It can be appreciated that when the bending die 160 bends the tube body of the electrothermal tube, the tube body of the electrothermal tube and the core rod swing to one side of the electrothermal tube, and the third cylinder 270 drives the first positioning member 140 to lift, so that the first positioning member 140 can descend to be separated from the core rod when the electrothermal tube is bent, thereby facilitating the first positioning member 140 to avoid the core rod and the end part of the electrothermal tube, and avoiding the first positioning member 140 from obstructing the end part of the electrothermal tube and the core rod swing.

In some specific embodiments, the first limiting member 150 is located on one side of the first positioning member 140 near the second pipe bending mechanism 120, and a first limiting groove 170 is provided on the first limiting member 150, where the first limiting groove 170 accommodates the pipe body, and the first limiting groove 170 is used for limiting two radial sides of the pipe body.

It can be appreciated that when the pipe bending machine bends the pipe body, the straight pipe section of the pipe body is easy to arch and deform to one side far away from the bending die 160, and the first limiting grooves 170 can limit the two radial sides of the pipe body, so that the first limiting grooves 170 can prevent the straight pipe section of the pipe body from arch and deforming.

Further, the mounting table 130 is provided with a second air cylinder 250, and the second air cylinder 250 is used for driving the first limiting member 150 to lift along a direction perpendicular to the mounting table 130.

It can be appreciated that the first limiting member 150 can be lifted, and when the double-head pipe bender completes pipe bending, the first limiting member 150 can be lowered to separate the first limiting groove 170 from the pipe body of the electric heating pipe, so that the electric heating pipe is convenient to take down.

In some specific embodiments, the first limiting groove 170 can accommodate a plurality of electrothermal tubes stacked up and down, so that the double-head pipe bender can bend a plurality of electrothermal tubes simultaneously, and the pipe bending efficiency is improved.

In some embodiments, the bending die 160 is located between the first positioning member 140 and the first limiting member 150, and the bending die 160 is used to bend one end of the bent tube body, so that the bent tube can bend the electric heating tube.

Further, the mounting table 130 includes a table body 180 provided on the frame 100 and a first moving seat 190 slidably provided on the table body 180, and the bending die 160 is provided on the first moving seat 190, and the first moving seat 190 is used to drive the bending die 160 to move in the radial direction of the pipe body so that the rotation axis of the bending die 160 is shifted on both sides in the radial direction of the pipe body.

It can be appreciated that the first moving seat 190 can move on the table body 180 along the radial direction of the tube body, so that the first moving seat 190 can drive the bending die 160 to move along the radial direction of the tube body, so that the rotation axis of the bending die 160 can be transferred at two radial sides of the tube body, when the rotation axis of the bending die 160 is on one radial side of the tube body, the bending die 160 can bend the tube body in one direction, when the rotation axis of the bending die 160 is on the other radial side of the tube body, the bending die 160 can bend the tube body in the other direction, and further, the bending direction of the bending die 160 to the tube body of the electric heating tube can be conveniently adjusted, so that the electric heating tube bending machine is suitable for various processing bent tube specifications.

In some specific embodiments, the table body 180 is provided with a first screw rod 200 and a first motor 210 for driving the first screw rod 200 to rotate, the first screw rod 200 is rotationally connected with the table body 180, the first screw rod 200 is in threaded connection with the first moving seat 190, and the first screw rod 200 is used for driving the first moving seat 190 to move, so that the moving position of the first moving seat 190 is conveniently controlled, and the movement of the first moving seat 190 is more flexible.

In some embodiments, the stage 180 is provided with a first guide bar 220, and the first moving seat 190 is provided with a first guide hole 230 to accommodate sliding of the first guide bar 220, thereby making the movement of the first moving seat 190 smoother.

In some specific embodiments, the first moving seat 190 is provided with a first cylinder 240, and the first cylinder 240 is used to drive the bending die 160 to lift and lower in a direction perpendicular to the mounting table 130.

It can be appreciated that the bending die 160 can be lifted, and when the double-head pipe bender completes pipe bending, the bending die 160 can be lowered to separate the bending die 160 from the pipe body of the electric heating pipe, so that the electric heating pipe is convenient to take down.

In some specific embodiments, a third motor is further disposed on the first moving seat 190, and the third motor is used to drive the bending die 160 to rotate.

In some specific embodiments, the bending die 160 includes a first wheel, a second wheel and a connecting arm connecting the first wheel and the second wheel, the third motor drives the first wheel to rotate along the axis of the first wheel, the tube body of the electrothermal tube is accommodated between the first wheel and the second wheel, when the first wheel rotates, the second wheel swings along the axis of the first wheel, and the second wheel drives the tube body of the electrothermal tube to bend.

In some specific embodiments, a tube clamping assembly 300 is further disposed on the frame 100, where the tube clamping assembly 300 is located between the first tube bending mechanism 110 and the second tube bending mechanism 120, and the tube clamping assembly 300 is used to clamp and fix the tube body of the electrothermal tube.

It can be understood that when the bending die 160 bends the tubular body of the electrothermal tube, the position of the electrothermal tube is easy to move after being stressed, and the tubular body of the electrothermal tube can be clamped by the tubular clamping assembly 300, so that the quality of the electrothermal tube after bending is prevented from being influenced due to the fact that the position of the electrothermal tube moves when the tubular body of the electrothermal tube of the bending die 160 is bent.

Further, the clamp tube assembly 300 includes a first clamp 310, a second clamp 320, and a fourth cylinder 330 driving the first clamp 310 and the second clamp 320 toward and away from each other, and the first clamp 310 and the second clamp 320 cooperate to clamp and unclamp the tube body, thereby facilitating rapid clamping and unclamping of the tube body by the clamp tube assembly 300.

In some particular embodiments, the structure of second tube bending mechanism 120 is identical to the structure of first tube bending mechanism 110.

Further, the clamp assembly 300 is located at the center of the line connecting the first pipe bending mechanism 110 and the second pipe bending mechanism 120.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. A double-ended bender comprising a frame (100), characterized in that: a first pipe bending mechanism (110) and a second pipe bending mechanism (120) are arranged on the frame (100), and the first pipe bending mechanism (110) and the second pipe bending mechanism (120) are respectively used for bending two ends of a pipe body of the electric heating pipe;

the first pipe bending mechanism (110) comprises a mounting table (130), a first positioning piece (140) arranged on the mounting table (130), a first limiting piece (150) and a bending die (160), wherein the mounting table (130) is arranged on the frame (100), the mounting table (130) is used for supporting an electric heating pipe, the first positioning piece (140) is used for positioning one end of the electric heating pipe, the first limiting piece (150) is positioned on one side, close to the second pipe bending mechanism (120), of the first positioning piece (140), a first limiting groove (170) is formed in the first limiting piece (150), the first limiting groove (170) is used for accommodating a pipe body, the first limiting groove (170) is used for limiting two radial sides of the pipe body, the bending die (160) is positioned between the first positioning piece (140) and the first limiting piece (150), and the bending die (160) is used for bending one end of the pipe body;

the mounting table (130) comprises a table body (180) arranged on the machine frame (100) and a first movable seat (190) arranged on the table body (180) in a sliding manner, the bending die (160) is arranged on the first movable seat (190), and the first movable seat (190) is used for driving the bending die (160) to move along the radial direction of the pipe body so that the rotation axis of the bending die (160) is transferred at two radial sides of the pipe body.

2. The double-head pipe bending machine according to claim 1, wherein a first screw (200) and a first motor (210) for driving the first screw (200) to rotate are arranged on the table body (180), the first screw (200) is rotationally connected with the table body (180), the first screw (200) is in threaded connection with the first movable seat (190), and the first screw (200) is used for driving the first movable seat (190) to move.

3. The double-head pipe bender according to claim 1, wherein the table (180) is provided with a first guide bar (220), and the first moving seat (190) is provided with a first guide hole (230) for receiving the first guide bar (220) to slide.

4. The double-head pipe bending machine according to claim 1, wherein a first cylinder (240) is arranged on the first movable seat (190), and the first cylinder (240) is used for driving the bending die (160) to lift and lower along a direction perpendicular to the mounting table (130).

5. The double-head pipe bending machine according to claim 1, wherein the mounting table (130) is provided with a second cylinder (250), and the second cylinder (250) is used for driving the first limiting member (150) to lift along a direction perpendicular to the mounting table (130).

6. The double-head pipe bending machine according to claim 1, wherein the first positioning piece (140) is provided with a first positioning groove (260), and the first positioning groove (260) is used for accommodating a core rod at one end of the electric heating pipe.

7. The double-head pipe bending machine according to claim 6, wherein the mounting table (130) is provided with a third cylinder (270), and the third cylinder (270) is used for driving the first positioning member (140) to lift along a direction perpendicular to the mounting table (130) so as to enable the first positioning groove (260) to approach and separate from a core rod.

8. The double-head pipe bending machine according to claim 1, wherein the mounting table (130) is slidably connected with the frame (100), the frame (100) is provided with a second screw (280) and a second motor (290) for driving the second screw (280) to rotate, the second screw (280) is arranged along the axial extension of the electric heating pipe, the second screw (280) is rotatably connected with the frame (100), the second screw (280) is in threaded connection with the mounting table (130), and the second screw (280) rotates to drive the mounting table (130) to approach and separate from the second pipe bending mechanism (120) along the axial direction of the electric heating pipe.

9. The double-head pipe bending machine according to claim 1, wherein the frame (100) is further provided with a pipe clamping assembly (300), the pipe clamping assembly (300) is located between the first pipe bending mechanism (110) and the second pipe bending mechanism (120), and the pipe clamping assembly (300) is used for clamping and fixing a pipe body of the electric heating pipe.

10. The double-ended tube bending machine of claim 9, wherein the tube clamping assembly (300) comprises a first clamp (310), a second clamp (320), and a fourth cylinder (330) that moves the first clamp (310) and the second clamp (320) toward and away from each other, the first clamp (310) and the second clamp (320) cooperatively clamping and unclamping a tube.