CN109807206B

CN109807206B - Pipe bending machine

Info

Publication number: CN109807206B
Application number: CN201910152485.9A
Authority: CN
Inventors: 万峰
Original assignee: Ningbo Jiapeng Machinery Equipment Manufacturing Co ltd
Current assignee: Ningbo Jiapeng Machinery Equipment Manufacturing Co ltd
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2020-07-03
Anticipated expiration: 2039-02-28
Also published as: JP2020138233A; CN109807206A; JP6704492B1

Abstract

The invention discloses a pipe bender, which comprises a fixed disk, wherein the fixed disk comprises a top disk and a bottom disk, ceramic wafers are fixedly welded at the middle part of the top of the bottom disk and the middle part of the bottom of the top disk, ceramic columns are fixedly welded at the middle part of the top of the ceramic wafers, first butt holes are formed in the top part and the bottom part of the outer side of the fixed disk at equal distances, a first coil is connected with an inner cavity of each first butt hole in a penetrating manner, an installation bolt is connected with the middle part of the top of the fixed disk in a penetrating manner, a force arm plate is sleeved at the top part of the outer side of the installation bolt, a bending mechanism is arranged at the bottom part of the force arm plate, atoms in a metal pipe are bent under an active state, compensation operation can be carried out on a bent part under irregular motion, the bent part is smoother and more natural, meanwhile, the bending part is, reducing the error values at the curved corners.

Description

Pipe bending machine

Technical Field

The invention relates to the technical field of pipe bending, in particular to a pipe bending machine.

Background

At present, in industries such as industrial production and building industry, various metal materials are often used, requirements on shapes and curvatures of the metal materials required for producing different products or different places are different, and with continuous progress and development of science and technology, the requirements on the quality of the metal materials and the quality of the products are higher and higher, wherein equipment for bending the metal materials, namely a pipe bender is provided, the pipe bender can not only bend a hollow metal pipe at a certain angle, but also can perform deformation work on some solid metal materials, and the existing pipe bender comprises a series of classifications such as manual operation, electric operation and air pressure.

For example, the Chinese patent discloses a pneumatic pipe bender (patent No. CN102248043B), which comprises a workbench, a cylinder and a cylinder assembly, a pipe bending pressure groove and a rolling groove, the technical scheme is that a pipe to be bent is placed at the pipe bending pressure groove through an air inlet pipe and an air pump, an operating handle is pushed to the working direction, the air valve transmits air pressure to the cylinder through a pneumatic hose, the air pressure at the rear of a piston of the cylinder is greater than the air pressure at the front end, a telescopic shaft lever and the pipe bending pressure groove are pushed to move forwards towards the workbench, finally, a steel pipe is stressed and bent to a set angle between the pipe bending pressure groove and the rolling groove, then the operating handle is pushed to the opposite direction, the telescopic shaft lever and the pipe bending pressure groove move backwards to the initial position, and the bent elbow is taken.

If a Chinese patent discloses a pipe bending machine (patent number: CN102553988B), which comprises a frame, a power output device and a power shaft, the technical scheme is that a round pipe to be bent passes through a through hole of a positioning block and a round groove formed by a first semi-round groove and a second semi-round groove, then the power output device is started to drive the power shaft to rotate, a power shaft drives a bending swing arm to rotate around a wheel disc along a certain direction, meanwhile, a bending pressure rod in a groove position of the bending swing arm can bend the round pipe passing through the round groove, and when the bending swing arm rotates a certain angle and meets the requirement that the round pipe needs to be bent, the bending swing arm can be controlled to stop rotating by controlling a motor, so that the bent round pipe can be taken out.

The above technical solutions and the bending apparatuses currently used in the art, whether bending short metal materials or long metal products, cannot avoid some important problems: the metal material has certain elasticity, and after the bending operation, the metal material can restore the deformation, so that certain deviation can occur on the bending angle, and the metal material can be shaped only by repeated bending operations; when the metal material is bent, the inner sides of the corners are gathered, and the outer sides of the corners are stretched, which easily causes the problems of breakage or unsmooth corners of the metal material.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a pipe bending machine, which solves the problems of unstable shaping and easy breakage at the corner of a bent pipe.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a pipe bending machine, includes the fixed disk, the fixed disk is including top dish and chassis, the equal fixed welding in middle part at the middle part at chassis top and the middle part of top dish bottom has the potsherd, the fixed welding in middle part of potsherd has the ceramic post, first butt joint hole has been seted up with the impartial distance in bottom in the top in the fixed disk outside, the inner chamber through connection that first butt joint hole has first coil, the middle part through connection at fixed disk top has the fitting bolt, the arm plate has been cup jointed at the top in the fitting bolt outside, the bottom of arm plate is provided with the mechanism that bends.

Preferably, hidden grooves are formed in the outer sides of the ceramic posts at equal intervals, wiring grooves are formed in the opposite sides of the ceramic posts at equal intervals, and one side, away from the first butt hole, of the first coil is clamped in the hidden grooves and the inner cavities of the wiring grooves respectively.

Preferably, the bar groove has been seted up at the middle part at arm-arm board top, the inner chamber through connection in bar groove has the activity post, the top of activity post runs through the bar groove and extends to the outside at arm-arm board top, the top fixed weld of activity post has spacing wide slab, the fixed welding in right side of arm-arm board bottom has the bearing plate, the right side through connection of bearing plate has the propulsion bolt, the fixed welding in right side at arm-arm board top has rotatory handle.

Preferably, the bending mechanism comprises a bending block, a bending groove is formed in the left middle of the bending block, a bending roller is movably clamped in an inner cavity of the bending groove, round holes are formed in the middle of the bending block at equal intervals, an installation rod is connected to the inner cavity of each round hole in a penetrating mode, the lower portion of the installation rod penetrates through the round holes and extends to the outer side of the bottom of the bending block, a second butt joint hole is formed in the left top of the bending block at equal distance from the bottom of the bending block, a second coil is connected to the inner cavity of each second butt joint hole in a penetrating mode, and insertion holes are formed in the front of the bending block and in the left side of the.

Preferably, the hidden groove is a vertical groove, the length of the hidden groove is equal to the height of the ceramic column, and the top and the bottom of the hidden groove are communicated with the wiring groove.

Preferably, the propelling bolt is a threaded bolt, the propelling bolt is in threaded connection with the bearing plate, and the left side of the propelling bolt is lapped on the outer side of the movable column.

Preferably, the piece of bending is the arc piece, the left diameter of the piece of bending equals with the diameter in the fixed disk outside, the right side and the activity post fixed weld of the piece of bending, the second coil is equidimension with first coil, the quantity of second coil is three at least.

Preferably, the right side of the bearing plate is provided with a frequency converter, and the right side of the frequency converter is electrically connected with a power line.

(III) advantageous effects

The invention provides a pipe bender. The method has the following beneficial effects:

(1) this bending machine can carry out local heating to metal material fast until metal material is in the high temperature state for by the metal atom of bending part in high activity state, the flexibility is promoted by a wide margin, has improved the smoothness degree of return bend action.

(2) According to the pipe bender, the metal atoms in the bent part are highly active, so that the internal atom structure and the positions of the bent part can be rearranged and distributed, and the problem that the inner side of the bent part is too thick and the outer side of the bent part is too thin is solved.

(3) This bending machine adopts and carries out the metal pipe bending work at the high temperature state, not only can improve the roughness of corner in the bending action in-process, carries out crooked plasticity and design under this kind of state moreover and can not take place because metal self elasticity and lead to the problem that bending angle takes place the deviation.

Drawings

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

FIG. 2 is a cross-sectional view of a mounting plate of the present invention;

FIG. 3 is a schematic view of a press bending mechanism of the present invention;

fig. 4 is a schematic diagram of the butt joint of the first coil and the second coil and the direction of current flow.

In the figure: 1 fixed disk, 101 top disk, 102 bottom disk, 103 ceramic chip, 1031 wiring groove, 104 ceramic post, 1041 hidden groove, 105 first butt hole, 106 installation bolt, 107 arm plate, 1071 strip groove, 1072 movable post, 1073 spacing wide plate, 1074 bearing plate, 10741 transducer, 10742 power cord, 1075 push bolt, 1076 rotation handle, 108 bending mechanism, 1081 bending block, 1082 bending groove, 1083 bending roller, 1084 round hole, 1085 installation rod, 1086 second butt hole, 1087 second coil, 1088 through-hole, 109 first coil.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-4, the present invention provides a technical solution: a pipe bender comprises a fixed disk 1, wherein the fixed disk 1 comprises a top disk 101 and a bottom disk 102, ceramic plates 103 are fixedly welded at the middle part of the top of the bottom disk 102 and the middle part of the bottom of the top disk 101, ceramic posts 104 are fixedly welded at the middle parts of the ceramic plates 103, invisible grooves 1041 are equidistantly formed in the outer sides of the ceramic posts 104, the invisible grooves 1041 are vertical grooves, the length of the invisible grooves is equal to the height of the ceramic posts 104, the top and the bottom of the invisible grooves 1041 are communicated with wiring grooves 1031, wiring grooves 1031 are equidistantly formed in the opposite sides of the ceramic plates 103, one sides of first coils 109 far away from first butt holes 105 are respectively clamped in inner cavities of the invisible grooves 1041 and the wiring grooves 1031, first butt holes 105 are equidistantly formed in the top and the bottom of the outer side of the fixed disk 1, the inner cavity of the first butt holes 105 is connected with a first coil 109 in a penetrating manner, an installation bolt 106 is connected at the, a strip-shaped groove 1071 is formed in the middle of the top of the arm-force plate 107, the inner cavity of the strip-shaped groove 1071 is connected with a movable column 1072 in a penetrating manner, the top of the movable column 1072 penetrates through the strip-shaped groove 1071 and extends to the outer side of the top of the arm-force plate 107, a limit wide plate 1073 is fixedly welded at the top of the movable column 1072, a bearing plate 1074 is fixedly welded at the right side of the bottom of the arm-force plate 107, a frequency converter 10741 is installed at the right side of the bearing plate 1074, a right side of the frequency converter 10741 is electrically connected with a power cord 10742, a push bolt 1075 is fixedly welded at the right side of the bearing plate 1074, the push bolt 1075 is a threaded bolt, the push bolt 1075 is in threaded connection with the bearing plate 1074, the left side of the push bolt 1075 is lapped at the outer side of the movable column 1072, a rotary handle 1076 is fixedly welded at the right side of the top of the arm-force plate 107, a bending mechanism 108 is arranged at the bottom of, the right side of bending piece 1081 and activity post 1072 fixed weld, second coil 1087 is isometric with first coil, the quantity of second coil 1087 is three at least, bending piece 1081 left middle part is seted up and is pressed bending groove 1082, bending groove 1082's the activity joint of inner chamber has bending gyro wheel 1083, round hole 1084 has been seted up to the middle part equidistance at bending piece 1081's top, round hole 1084's inner chamber through connection has installation stick 1085, installation stick 1085's bottom runs through round hole 1084 and extends to the outside of bending piece 1081 bottom, bending piece 1081 left top has been seted up the second butt joint hole 1086 with the bottom equidistance, the inner chamber through connection of second butt joint hole 1086 has second coil 1087, bending piece 1081 openly has all seted up the break-through hole 1088 with the left side at the back.

When the pipe bender works (or is used), firstly, a metal rod or a metal pipe needing bending processing is directly clamped in a reserved space between a ceramic chip 103 and a ceramic column 104, then a pushing bolt 1075 is directly rotated, a bending mechanism 108 is slowly pushed to a fixed disc 1 through the continuous movement of the pushing bolt 1075 until a bending block 1081 and the fixed disc 1 are mutually attached, a bending roller 1083 in the bending mechanism 108 is mutually contacted with the outer wall of the metal pipe in the state, then the power supply of the whole equipment is switched on, a starting button is pressed, a frequency converter 10741 is electrified, the frequency converter 10741 converts civil electricity into high-frequency electricity and sends the high-frequency electricity to a second coil 1087, the second coil 1087 is contacted with a port of a first coil 109 along with the movement of the bending mechanism 108, a plurality of first coils 109 and second coils 1087 form a closed loop with a certain length, and a local metal pipe is positioned in the middle of the loop, the local position of the metal tube can be rapidly heated and burned, then the rotating handle 1076 is pulled, the driving arm plate 107 rotates around the mounting bolt 106, the press bending mechanism rotates along with the rotation, the press bending roller 1083 rolls and presses the burned part tightly against the ceramic column 104 to generate deformation, the actions of opening and closing are continuously repeated along with the continuous movement of the coil, and the metal tube at each section is heated and burned in the whole rotating process until the required bending section is processed.

In conclusion, the bending machine rolls and bends the metal pipe in the firing state, atoms in the metal pipe are in the extremely active state, and can compensate the bending part under irregular motion, so that the bending part is smoother and more natural, and meanwhile, the bending part is shaped more stably after being bent in the firing state, and the bending part is not easy to rebound, so that the error value of the bending corner is reduced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a pipe bender, includes fixed disk (1), its characterized in that: the fixed disk (1) comprises a top disk (101) and a bottom disk (102), the middle of the top of the bottom disk (102) and the middle of the bottom of the top disk (101) are fixedly welded with ceramic plates (103), the middle of the ceramic plates (103) is fixedly welded with ceramic posts (104), the top of the outer side of the fixed disk (1) and the bottom of the fixed disk are equally spaced to form a first butt hole (105), an inner cavity of the first butt hole (105) is connected with a first coil (109) in a penetrating manner, the middle of the top of the fixed disk (1) is connected with an installation bolt (106) in a penetrating manner, the top of the outer side of the installation bolt (106) is sleeved with a force arm plate (107), the bottom of the force arm plate (107) is provided with a bending mechanism (108), the outer side of the ceramic posts (104) is equidistantly provided with hidden grooves (1041), and one side of the ceramic, one side of the first coil (109), which is far away from the first butt joint hole (105), is respectively clamped in the inner cavities of the hidden groove (1041) and the wiring groove (1031); the bending mechanism (108) comprises a bending block (1081), a bending groove (1082) is formed in the middle of the left side of the bending block (1081), a bending roller (1083) is movably clamped in an inner cavity of the bending groove (1082), round holes (1084) are formed in the middle of the bending block (1081) at equal intervals, an inner cavity of the round hole (1084) is connected with an installation rod (1085) in a penetrating manner, the lower portion of the installation rod (1085) penetrates through the round hole (1084) and extends to the outer side of the bottom of the bending block (1081), second opposite connection holes (1086) are formed in the top and the bottom of the left side of the bending block (1081) at equal distances, an inner cavity of the second opposite connection holes (1086) is connected with a second coil (1087) in a penetrating manner, and insertion holes (1088) are formed in the left sides of the front surface and the back surface; the hidden groove (1041) is a vertical groove, the length of the hidden groove is equal to the height of the ceramic column (104), and the top and the bottom of the hidden groove (1041) are communicated with the wiring groove (1031).

2. The bender according to claim 1, wherein: bar groove (1071) have been seted up at the middle part at arm-force board (107) top, the inner chamber through connection of bar groove (1071) has activity post (1072), the top of activity post (1072) runs through bar groove (1071) and extends to the outside at arm-force board (107) top, the top fixed weld of activity post (1072) has spacing wide plate (1073), the right side fixed weld of arm-force board (107) bottom has bearing plate (1074), the right side through connection of bearing plate (1074) has propulsion bolt (1075), the right side fixed weld at arm-force board (107) top has rotatory handle (1076).

3. The bender according to claim 2, wherein: the propelling bolt (1075) is a threaded bolt, the propelling bolt (1075) is in threaded connection with the bearing plate (1074), and the left side of the propelling bolt (1075) is overlapped on the outer side of the movable column (1072).

4. The bender according to claim 2, wherein: the piece of buckling (1081) is the arc piece, the diameter that the left diameter of the piece of buckling (1081) equals with the diameter in fixed disk (1) outside, the right side and the activity post (1072) fixed weld of the piece of buckling (1081), second coil (1087) are equidimension with first coil, the quantity of second coil (1087) is three at least.

5. The bender according to claim 2, wherein: the right side of bearing plate (1074) is installed converter (10741), power cord (10742) is connected to the right side electricity of converter (10741).