Adjustable pipe bending machine

Abstract

The utility model discloses an adjustable pipe bending machine which comprises a machine table, a mounting frame is mounted on the side wall of the machine table, a bottom frame is arranged at the bottom of a rotating frame, a rotating bending disc is mounted at the top of the rotating frame, a first hydraulic cylinder is mounted at the top of the rotating frame, a first motor for driving the rotating frame to rotate is mounted at the bottom of the bottom frame, and a second hydraulic cylinder is mounted at the bottom of the bottom frame. A hydraulic cylinder II for driving the bottom frame to lift is mounted on the side wall of the machine table; a lifting plate capable of ascending and descending is arranged on the top of the machine table, and a guide plate is installed on an output shaft of the third hydraulic cylinder. According to the adjustable pipe bending machine, the rotary bending disc, the fixed disc, the second hydraulic cylinder and the guide plate are arranged, the second hydraulic cylinder is used for driving the mounting frame to ascend and descend, the grooving height used during pipe bending is adjusted, and synchronous adjustment of grooving in the two sides of a pipe fitting during pipe bending is facilitated; the third hydraulic cylinder and the guide plate are driven by an electric push rod in the machine table to synchronously ascend and descend along with the fixing disc and the first hydraulic cylinder, and the pipe fittings are conveniently guided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pipe bender technical field, concretely is a kind of adjustable pipe bender. BACKGROUND

[0002] Pipe bender is a kind of equipment for bending pipe into specific angle and shape, and the working principle of pipe bender is mainly to bend pipe around specific mould by exerting external force, generally, first, pipe is placed on the workbench of pipe bender, then it is clamped by clamping device, then, transmission system drives pipe mould to rotate, pipe is gradually bent under the action of mould, until reaching the set bending angle.

[0003] The Chinese patent with announcement number CN110899410A discloses a pipe bender convenient for adjusting pipe diameter, which comprises a pipe bender body, a gas cylinder is fixedly connected to the rear end of the upper surface of the pipe bender body through a fixing plate, the other end of the gas cylinder is fixedly connected with a sliding plate, a motor is fixedly connected to one side of the front surface of the sliding plate, the output shaft of the motor is fixedly connected with a rotating rod through a shaft coupling, the front end of the rotating rod is fixedly connected with a steel pipe through a sleeve, and a rotating disc body is arranged at the left end of the front surface of the pipe bender body.

[0004] However, the above technical solution still has some deficiencies: in the use of the above technical solution, the inner diameter of the slot on the side of the adjustable upper rotating disc and the lower rotating disc can be adjusted to adapt to pipe fittings of different thicknesses, but the first fixing disc and the second fixing disc on the other side for fixing cannot be adjusted according to the diameter change of the pipe fitting, and the rotating rod and the sleeve also cannot clamp pipe fittings of different diameters. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of adjustable pipe bender to solve the problems that the first fixing disc and the second fixing disc on the other side for fixing in the prior art cannot be adjusted according to the diameter change of the pipe fitting, and the rotating rod and the sleeve also cannot clamp pipe fittings of different diameters.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of adjustable pipe bender, including machine table,

[0007] The side wall of the machine table is provided with a mounting bracket, and the mounting bracket comprises a rotating frame, the bottom of the rotating frame is provided with a base frame, the top of the rotating frame is provided with a rotating bending disc, the top of the rotating frame is provided with a hydraulic cylinder one, and the output shaft of the hydraulic cylinder one is provided with a fixing disc, the bottom of the base frame is provided with a motor one for driving the rotating frame to rotate, and the side wall of the machine table is provided with a hydraulic cylinder two for driving the base frame to lift;

[0008] The top of the machine table is provided with a liftable lifting plate, and a hydraulic cylinder three is installed on the top of the lifting plate, an output shaft of the hydraulic cylinder three is provided with a guide plate, the guide plate is arranged side by side with a fixed disc, and a plurality of semicircular grooves are formed in the side walls of the rotating bending disc, the fixed disc and the guide plate.

[0009] By adopting the above technical scheme, in use, the specific pipe bending process is as follows: 1. pipe fitting clamping: the pipe fitting is sleeved outside the sleeve, the hydraulic cylinder four is started to drive the ejection block to tightly press the inner wall of the pipe fitting, and the hydraulic cylinder one is started to drive the fixed disc to clamp the outer side of the pipe fitting; 2. parameter adjustment: the hydraulic cylinder two and the electric push rod are started to align the grooves of the rotating bending disc, the fixed disc and the guide plate, the hydraulic cylinder three is started to make the guide plate adhere to the pipe fitting, and the motor two is started to adjust the position of the pipe fitting; 3. pipe bending execution: the motor one is started to drive the rotating bending disc to rotate, so that the pipe fitting is bent around the rotating bending disc to a preset angle; 4. reset and take the pipe fitting: each component is reversed to reset and take down the pipe fitting. Through the above steps, the pipe bending operation on pipe fittings with different diameters is realized.

[0010] As a further scheme of the utility model: the inside of the machine table is provided with an electric push rod, the output shaft of the electric push rod is upwardly connected with the lifting plate, and the electric push rod and the hydraulic cylinder two are synchronously lifted.

[0011] By adopting the above technical scheme, in use, the lifting plate, the hydraulic cylinder three and the guide plate on the lifting plate and the mounting frame are synchronously lifted by the electric push rod.

[0012] As a further scheme of the utility model: the top of the machine table is provided with a moving groove, a lead screw is rotatably installed in the moving groove, a motor two for driving the rotation of the lead screw is installed on the side wall of the machine table, and the tail end of the lead screw faces between the rotating bending disc and the fixed disc.

[0013] By adopting the above technical scheme, in use, the forward and backward movement of the mounting plate can be driven by the rotation of the lead screw driven by the motor two.

[0014] As a further scheme of the utility model: the top of the machine table is provided with a mounting plate above the moving groove, an internally threaded block is installed on the bottom of the mounting plate, the lead screw is threadedly connected with the internally threaded block, a sleeve is installed on the side wall of the mounting plate close to the rotating bending disc, and a hydraulic cylinder four is installed on the other side of the mounting plate.

[0015] By adopting the above technical scheme, in use, the pipe fitting is sleeved on the sleeve before pipe bending, and the forward and backward movement of the pipe fitting is driven by the forward and backward movement of the mounting plate.

[0016] As a further scheme of the utility model: a plurality of ejection blocks are installed on the side wall of the sleeve, and the tail end of the ejection block is inserted into the sleeve, the output shaft of the hydraulic cylinder four is inserted into the sleeve and connected with the moving rod, and the position of the moving rod aligned with the ejection block is provided with a resisting block.

[0017] By adopting the above technical scheme, after the pipe fitting is sleeved on the sleeve, the forward movement of the moving rod is driven by the hydraulic cylinder four, the resisting block is used to eject the ejection block outward, the inside of the pipe fitting can be opened and fixed, and various diameters of pipe fittings can be fixed within a certain range.

[0018] Compared with the prior art, the utility model has the advantages that the adjustable pipe bending machine,

[0019] The rotating bending disc, the fixed disc, the hydraulic cylinder two and the guide plate are provided, the hydraulic cylinder two is used to drive the lifting of the mounting frame, the height of the slot used during pipe bending is adjusted, the slotting on both sides of the pipe during pipe bending is conveniently adjusted synchronously, the hydraulic cylinder three and the guide plate are lifted synchronously with the fixed disc and the hydraulic cylinder one under the driving of the electric push rod in the machine table, and the pipe fitting is conveniently guided.

[0020] In addition, the adjustable pipe bending machine is further provided with the hydraulic cylinder four, the moving rod, the ejection block and the resisting block, the forward movement of the moving rod and the resisting block is driven by the hydraulic cylinder four, the resisting block is used to extrude the ejection block outward, the pipe fitting sleeved on the outside of the sleeve is internally supported and fixed, and different diameters of pipe fittings are conveniently fixed. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a top view structural schematic view of the utility model;

[0022] Figure 2 It is a three-dimensional structural schematic view of the utility model;

[0023] Figure 3 It is a top view sectional structural schematic view of the mounting plate, the hydraulic cylinder four and the sleeve of the utility model.

[0024] In the drawing: 1, machine table; 101, moving groove; 102, lifting plate; 2, mounting frame; 201, rotating frame; 202, base frame; 3, rotating bending disc; 4, fixed disc; 5, hydraulic cylinder one; 6, motor one; 7, hydraulic cylinder two; 8, hydraulic cylinder three; 9, guide plate; 10, mounting plate; 11, lead screw; 12, motor two; 13, hydraulic cylinder four; 14, sleeve; 15, moving rod; 16, ejection block; 17, resisting block. DETAILED DESCRIPTION

[0025] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0026] Please refer to Figures 1-3 The present application provides a technical scheme: an adjustable pipe bending machine, comprising a machine table 1,

[0027] The side wall of the machine table 1 is provided with a mounting rack 2, and the mounting rack 2 comprises a rotating frame 201, the bottom of the rotating frame 201 is provided with a bottom frame 202, the top of the rotating frame 201 is provided with a rotating bending disc 3, the top of the rotating frame 201 is provided with a hydraulic cylinder 1 5, and the output shaft of the hydraulic cylinder 1 5 is provided with a fixed disc 4, the bottom of the bottom frame 202 is provided with a motor 1 6 for driving the rotating frame 201 to rotate, and the side wall of the machine table 1 is provided with a hydraulic cylinder 2 7 for driving the bottom frame 202 to lift;

[0028] The top of the machine table 1 is provided with a lifting plate 102 which can be lifted, and the top of the lifting plate 102 is provided with a hydraulic cylinder 3 8, the output shaft of the hydraulic cylinder 3 8 is provided with a guide plate 9, the guide plate 9 is arranged side by side with the fixed disc 4, and the side walls of the rotating bending disc 3, the fixed disc 4 and the guide plate 9 are all provided with a plurality of semicircular grooves;

[0029] Specifically, the output shaft of the motor 1 6 is aligned with the center of the rotating bending disc 3 on the rotating frame 201.

[0030] Please refer to Figure 2 Further, an electric push rod is installed in the machine table 1, and the output shaft of the electric push rod is upwardly connected with the lifting plate 102, and the electric push rod is synchronously lifted with the hydraulic cylinder 2 7.

[0031] Please refer to Figure 1 and Figure 2 Further, a moving groove 101 is formed in the top of the machine table 1, a lead screw 1 1 is rotatably installed in the moving groove 101, a motor 2 12 is installed on the side wall of the machine table 1 for driving the lead screw 1 1 to rotate, and the end of the lead screw 1 1 is directed between the rotating bending disc 3 and the fixed disc 4.

[0032] Please refer to Figure 2 and Figure 3 Further, an installation plate 10 is arranged above the moving groove 101 on the top of the machine table 1, an internally threaded block is installed at the bottom of the installation plate 10, the lead screw 1 1 is threadedly connected with the internally threaded block, a sleeve 1 4 is installed on the side wall of the installation plate 10 close to the rotating bending disc 3, and a hydraulic cylinder 4 13 is installed on the other side of the installation plate 10.

[0033] Please refer to Figure 3 Further, a plurality of sets of ejection blocks 16 are mounted on the side wall of the sleeve 14, and the ends of the ejection blocks 16 are inserted into the sleeve 14, the output shaft of the hydraulic cylinder four 13 is inserted into the sleeve 14 and connected with the moving rod 15, and the position of the moving rod 15 aligned with the ejection blocks 16 is provided with a stop block 17;

[0034] Specifically, a reset spring should be arranged between the side wall of the ejection block 16 and the inner wall of the sleeve 14 for resetting the ejection block 16, the stop block 17 is trapezoidal in cross section, facilitating the ejection of the ejection block 16 outward, and the side of the ejection block 16 close to the stop block 17 is attached to the stop block 17.

[0035] Working principle: when the adjustable pipe bending machine is used, the lifting of the mounting frame 2 is driven by the hydraulic cylinder two 7 to adjust the slotting height used in pipe bending, facilitating the synchronous adjustment of the slotting on both sides of the pipe during pipe bending, the synchronous lifting of the hydraulic cylinder three 8 and the guide plate 9 in the machine table 1 is driven by the electric push rod to facilitate the pipe guiding, the forward movement of the moving rod 15 and the stop block 17 is driven by the hydraulic cylinder four 13 to drive the stop block 17 to eject the ejection block 16 outward, and the pipe sleeved outside the sleeve 14 is internally supported and fixed, facilitating the fixation of pipes with different diameters, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0036] The orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, which are only simplified descriptions for facilitating the description of the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the protection scope of the present application.

[0037] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An adjustable pipe bending machine comprising a machine table (1), characterized in that: a mounting frame (2) is mounted on the side wall of the machine table (1), and the mounting frame (2) comprises a rotating frame (201), the bottom of the rotating frame (201) is provided with a bottom frame (202), the top of the rotating frame (201) is provided with a rotating bending disc (3), the top of the rotating frame (201) is provided with a hydraulic cylinder I (5), and the output shaft of the hydraulic cylinder I (5) is provided with a fixed disc (4), the bottom of the bottom frame (202) is provided with a motor I (6) for driving the rotating frame (201) to rotate, and a hydraulic cylinder II (7) for driving the bottom frame (202) to lift is mounted on the side wall of the machine table (1); a liftable lifting plate (102) is arranged on the top of the machine table (1), and a hydraulic cylinder III (8) is arranged on the top of the lifting plate (102), the output shaft of the hydraulic cylinder III (8) is provided with a guide plate (9), the guide plate (9) is arranged side by side with the fixed disc (4), and a plurality of semicircular grooves are arranged on the side walls of the rotating bending disc (3), the fixed disc (4) and the guide plate (9).

2. A machine according to claim 1, wherein: An electric push rod is arranged in the machine table (1), and the output shaft of the electric push rod is connected to the lifting plate (102) upward, and the electric push rod is lifted synchronously with the hydraulic cylinder II (7).

3. An adjustable pipe bender according to claim 1, wherein: A moving groove (101) is arranged on the top of the machine table (1), a lead screw (11) is rotatably arranged in the moving groove (101), a motor II (12) for driving the lead screw (11) to rotate is arranged on the side wall of the machine table (1), and the end of the lead screw (11) faces between the rotating bending disc (3) and the fixed disc (4).

4. An adjustable pipe bender according to claim 3, wherein: An installation plate (10) is arranged above the moving groove (101) on the top of the machine table (1), an internally threaded block is arranged on the bottom of the installation plate (10), the lead screw (11) is threadedly connected with the internally threaded block, a sleeve (14) is arranged on the side wall of the installation plate (10) close to the rotating bending disc (3), and a hydraulic cylinder IV (13) is arranged on the other side of the installation plate (10).

5. An adjustable pipe bender according to claim 4 wherein: A plurality of ejection blocks (16) are arranged on the side wall of the sleeve (14), the ends of the ejection blocks (16) are inserted into the sleeve (14), the output shaft of the hydraulic cylinder IV (13) is inserted into the sleeve (14) and connected with a moving rod (15), and a resisting block (17) is arranged on the moving rod (15) in alignment with the ejection blocks (16).

Images