CN214719989U

CN214719989U - Flaring device for pipe end of special pipe

Info

Publication number: CN214719989U
Application number: CN202120510274.0U
Authority: CN
Inventors: 李建; 胡艳
Original assignee: Feishi Pipeline Technology Taicang Co ltd
Current assignee: Feishi Pipeline Technology Taicang Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-11-16
Anticipated expiration: 2031-03-10

Abstract

The utility model relates to a flaring device for the end of a special pipe, which comprises a main body and a flaring mechanism supported on the main body, wherein the flaring mechanism is sleeved in the end of the special pipe; the flaring mechanism comprises at least two flaring dies, and the flaring dies are sequentially arranged along the peripheral direction of the flaring mechanism; the flaring dies can move along the radial direction of the special pipe, and inner contour forming is carried out on the end of the special pipe when the flaring dies move from inside to outside. The utility model discloses in the flaring process, when flaring mechanism cover was located in the mechanical tubes pipe end, through drive flaring mould outdiffusion, outline slow shaping in the pipe end, because shaping speed is slow and can avoid causing fish tail and the wearing and tearing of mechanical tubes internal surface because axial displacement, improved the shaping quality of mechanical tubes pipe end for the practicality of this mechanical tubes pipe end's flaring device is stronger.

Description

Flaring device for pipe end of special pipe

Technical Field

The utility model belongs to the technical field of the pipe-machining technique and specifically relates to indicate flaring device of mechanical tubes pipe end.

Background

The special pipe is a generic term for steel pipes having a cross-sectional shape other than a round pipe. According to the different shapes and sizes of the cross sections of the steel pipes, the steel pipes can be divided into special-shaped steel pipes with equal wall thickness, special-shaped steel pipes with unequal wall thickness and special-shaped steel pipes with variable diameters.

The existing machining and forming method of the pipe end of the special pipe is to design a special forming die according to the pipe end profile of the special pipe, fix the special pipe between an upper die and a lower die by closing the dies in the working process, and then form the inner profile of the pipe end of the special pipe by a copper core rod in a translation manner along the axial direction of the special pipe and matching with the upper die and the lower die. The inner contour of the tube end of the special tube produced according to the mode is easy to scratch and wear the inner surface of the tube end of the special tube due to the friction of the copper core rod in the axial direction of the special tube, so that the problem that the process requirement cannot be met after the tube end is formed is solved.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem that when overcoming mechanical tubes pipe end machine-shaping among the prior art, copper plug produces fish tail, wearing and tearing to the mechanical tubes internal surface, can not reach the technological requirement after leading to the pipe end machine-shaping, provide a flaring device of mechanical tubes pipe end for this reason, through the radial movement of flaring mould along the mechanical tubes, strut the pipe end of mechanical tubes, avoid causing the fish tail and the wearing and tearing of mechanical tubes inner wall because axial displacement, improved the shaping quality of mechanical tubes pipe end.

In order to solve the technical problem, the utility model provides a flaring device for the end of a special pipe, which comprises a main body and a flaring mechanism supported on the main body, wherein the flaring mechanism is sleeved in the end of the special pipe; the flaring mechanism comprises at least two flaring dies, and the flaring dies are sequentially arranged along the peripheral direction of the flaring mechanism; the flaring dies can move along the radial direction of the special pipe, and inner contour forming is carried out on the end of the special pipe when the flaring dies move from inside to outside.

In an embodiment of the present invention, in order to improve the stability of the flaring die when sliding, the main body is provided with a sliding groove corresponding to the flaring die one to one, and the flaring die is arranged along the sliding groove.

The utility model discloses an in an embodiment, for the convenience of changing different flaring dies, it is provided with the slider to slide in the spout, the slider can be dismantled with the flaring die and be connected.

In an embodiment of the present invention, in order to further improve the stability of the sliding block during sliding, the sliding groove is a dovetail groove.

In an embodiment of the present invention, in order to facilitate driving the flaring die, the flaring device further includes a driving mechanism, the driving mechanism is supported by the main body, and the driving mechanism is used for driving the flaring die to move along the radial direction of the mechanical tube.

In an embodiment of the present invention, in order to facilitate driving the flaring die, the driving mechanism is set as a flaring mandrel, the flaring mandrel is axially inserted into the main body, one end of the flaring mandrel is set as a cone structure, the flaring mandrel passes through the cone structure to contact the flaring die to drive the flaring die to follow the radial movement of the mechanical tubes.

In an embodiment of the present invention, in order to facilitate withdrawal of the flaring die, the driving mechanism connects each of the flaring dies.

In an embodiment of the present invention, in order to facilitate driving the driving mechanism, the driving mechanism is externally connected with a power source, and the power source drives the driving mechanism to automatically move along the axial direction of the main body.

In an embodiment of the present invention, in order to facilitate driving the flaring die by the flaring mandrel, the flaring die is provided with a chamfer adapted to the conical end of the flaring mandrel.

In an embodiment of the present invention, in order to facilitate the insertion of the flaring mandrel, the main body is provided with an axial through hole for inserting the flaring mandrel, and an annular inclined plane is provided at an end of the axial through hole away from the flaring mold.

Compared with the prior art, the technical scheme of the utility model have following advantage:

a flaring device of mechanical tubes pipe end, in the flaring process, when flaring mechanism cover was located in the mechanical tubes pipe end, through drive flaring mould outdiffusion, the slow shaping of profile in the pipe end, because shaping speed is slow and can avoid causing fish tail and the wearing and tearing of mechanical tubes internal surface because axial displacement, improved the shaping quality of mechanical tubes pipe end for this mechanical tubes pipe end's flaring device's practicality is stronger.

Drawings

In order to make the content of the present invention more clearly understood, the present invention will be described in further detail with reference to the following embodiments of the present invention, in conjunction with the accompanying drawings, wherein:

fig. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural diagram of the present invention;

fig. 3 is a cross-sectional view of the present invention at the chute.

The specification reference numbers indicate: 1. the main part, 2, flaring mould, 3, spout, 4, slider, 5, flaring plug.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

It will be understood that when an element is referred to as being "disposed on," "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured" to, or "fixedly coupled" to another element, it can be removably secured or non-removably secured to the other element. When an element is referred to as being "connected," "pivotally connected," to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for illustrative purposes only and are not meant to be the only real-time.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the present invention, "first", "second", "third", and the like are used similarly to refer to a specific number and order, and are used only for name differentiation.

Referring to fig. 1-2, an embodiment of a flaring device for a tube end of a mechanical tube according to the present invention includes a main body 1 and a flaring mechanism supported by the main body 1, wherein the flaring mechanism is sleeved in the tube end of the mechanical tube; the flaring mechanism comprises at least two flaring dies 2, and the flaring dies 2 are sequentially arranged along the peripheral direction of the flaring mechanism; the flaring dies 2 are each movable in the radial direction of the profiled tube, and the inner profile of the end of the profiled tube is formed when the flaring dies 2 are moved from the inside to the outside. It should be noted that the flaring dies 2 are discrete dies, and the external profile of the dies after being separated from each other should be consistent with the internal profile of the end of the special pipe to be formed. In the flaring process, firstly, the flaring dies 2 are closed, after the end of the special pipe is sleeved on the flaring dies 2, the flaring dies 2 are driven to move from inside to outside along the radial direction of the special pipe, so that the inner contour of the end of the special pipe is gradually formed under the action of the flaring dies 2, and in the process, the flaring dies 2 move along the radial direction of the special pipe, so that the end of the special pipe can be prevented from being scratched and abraded due to axial friction.

Referring to fig. 3, the main body 1 is provided with sliding grooves 3 corresponding to the flaring dies 2 one to one, and the flaring dies 2 are movably arranged along the sliding grooves 3. Flaring die 2 slides in spout 3 for when flaring die 2's slip direction is fixed, through the limiting displacement of spout 3 to flaring die 2, stability when flaring die 2 slides can be improved.

Referring to fig. 3, a slide block 4 is slidably disposed in the chute 3, and the slide block 4 is detachably connected to the flaring die 2. Through adding between spout 3 and flaring die 2 and establishing slider 4 that can dismantle with flaring die 2, can guarantee to be convenient for change different flaring die 2 when 2 are spacing to flaring die.

The sliding groove 3 is a dovetail groove. The dovetail groove can prevent the slider 4 from breaking away from the chute 3, so that the slider 4 has stronger stability when sliding.

Referring to fig. 3, the flaring device further comprises a driving mechanism supported on the main body 1 for driving the flaring die 2 to move along the radial direction of the profiled tube. The driving mechanism is set to be a flaring core rod 5, the flaring core rod 5 axially penetrates through the main body 1, one end of the flaring core rod 5 is set to be a cone structure, and the flaring core rod 5 contacts the flaring die 2 through the cone structure to drive the flaring die 2 to move along the radial direction of the special pipe. Drive flaring die 2 along the radial movement of mechanical tubes through promoting flaring plug 5, carry out the flaring to the mechanical tubes pipe end, compare in the mode that directly drive flaring die 2 removed, it is more convenient to drive the mode of flaring die 2 through promoting flaring plug 5, can guarantee the simultaneous movement of flaring die 2 simultaneously, improves the uniformity.

The driving mechanism is connected with each flaring die 2. Actuating mechanism can be connected with flaring die 2 through arbitrary connecting pieces such as transfer line, hinge, glue, the utility model discloses a better embodiment is: offer the rope hole on flaring mould 2 and actuating mechanism, connect the two through the mode of wearing to establish the connection rope, actuating mechanism drive flaring mould 2 from inside to outside removal back, draw back actuating mechanism and be accessible and connect the rope and reset each flaring mould 2 simultaneously, be convenient for implement next flaring process.

The driving mechanism is externally connected with a power source, and the power source drives the driving mechanism to automatically move along the axial direction of the main body 1. The power supply can be the structure that motor, lead screw etc. can drive actuating mechanism and remove wantonly, the utility model discloses a better embodiment does: realize automatic control actuating mechanism through air pump, cylinder for production efficiency is higher.

And the flaring die 2 is provided with a chamfer matched with the conical end of the flaring core rod 5. The chamfer and the cone end of the flaring core rod 5 are matched, so that the flaring die 2 is more easily displaced in the direction vertical to the moving direction of the flaring core rod 5 after being contacted with the flaring core rod 5, and the sliding of the flaring die 2 is facilitated.

The main body is provided with an axial through hole for penetrating the flaring core rod 5, and one end of the axial through hole, which is far away from the flaring die, is provided with an annular inclined plane. The annular inclined plane can play a certain effect of rectifying deviation to flaring plug 5 when flaring plug 5 wears to establish to be convenient for wearing to establish of flaring plug 5.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims

1. The flaring device for the pipe end of the special pipe is characterized in that: the flaring mechanism is sleeved in the end of the special pipe; the flaring mechanism comprises at least two flaring dies, and the flaring dies are sequentially arranged along the peripheral direction of the flaring mechanism; the flaring dies can move along the radial direction of the special pipe, and inner contour forming is carried out on the end of the special pipe when the flaring dies move from inside to outside.

2. A device for flaring a tube end of a mechanical tube according to claim 1, wherein: the main body is provided with sliding grooves which correspond to the flaring dies one to one, and the flaring dies move along the sliding grooves.

3. A device for flaring a tube end of a mechanical tube according to claim 2, wherein: the sliding block is arranged in the sliding groove in a sliding mode and is detachably connected with the flaring die.

4. A device for flaring a tube end of a mechanical tube according to claim 2 or 3, wherein: the sliding groove is a dovetail groove.

5. A device for flaring a tube end of a mechanical tube according to claim 1, wherein: the flaring device further comprises a driving mechanism, the driving mechanism is supported on the main body, and the driving mechanism is used for driving the flaring die to move along the radial direction of the special pipe.

6. A device for flaring a tube end of a mechanical tube according to claim 5, wherein: the driving mechanism is set to be a flaring core rod, the flaring core rod axially penetrates through the main body, one end of the flaring core rod is set to be a cone structure, and the flaring core rod contacts the flaring die through the cone structure to drive the flaring die to move along the radial direction of the special pipe.

7. A device for flaring a tube end of a mechanical tube according to claim 5 or 6, wherein: the driving mechanism is connected with the flaring dies.

8. A device for flaring a tube end of a mechanical tube according to claim 5 or 6, wherein: the driving mechanism is externally connected with a power source, and the power source drives the driving mechanism to automatically move along the axial direction of the main body.

9. A device for flaring a tube end of a mechanical tube according to claim 6, wherein: and the flaring die is provided with a chamfer matched with the conical end of the flaring core rod.

10. A device for flaring a tube end of a mechanical tube according to claim 6, wherein: the main body is provided with an axial through hole for penetrating the flaring core rod, and one end of the axial through hole, which is far away from the flaring die, is provided with an annular inclined plane.