CN114210848A - Convenient fixed tubular product flaring device - Google Patents

Abstract

The invention discloses a convenient fixed pipe flaring device, which comprises: the flaring assembly comprises a clamping piece, a sleeve and a flaring piece, wherein the clamping piece is arranged on the inner side of the end part of the sleeve, and the clamping piece is clamped on the outer side of the end part of the pipe; the flaring piece is arranged in the sleeve and comprises a rotating wheel, a third inclined plane and a boss, the rotating wheel is arranged in the middle of the sleeve and is coaxially arranged, the boss is arranged on the rotating wheel, the rotating wheel is matched with the sleeve, and the third inclined plane is arranged at the end part of the rotating wheel; the rotating wheel is also provided with a positioning assembly; the invention can reduce the cost of the flaring device, improve the flaring quality effect and the flaring stability, increase the use convenience and reduce the research and development period of the process stamping flaring.

Description

Convenient fixed tubular product flaring device

Technical Field

The invention relates to the technical field of pipe flaring, in particular to a convenient fixed pipe flaring device.

Background

The flaring of the product at the position where the steel pipe elbow and the corrugated pipe are welded needs flaring, can be easily realized by adopting a pipe end forming machine or similar equipment for flaring of the product with enough clamping positions, but is more troublesome for flaring of the product without enough clamping positions, can be realized by adopting special clamping devices according to different differences, has more investment and long development period, and increases the product development cost.

At present, flaring devices for metal pipe fitting ports without enough clamping positions, different space angle product flaring functions and flaring quality requirements are rare, and the problems that low cost, convenience, fixing stability and ideal flaring effect cannot be achieved simultaneously in the prior art are solved.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract and the title of the invention of this application some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made keeping in mind the above problems occurring in the prior art and/or the problems occurring in the prior art.

Therefore, the technical problems to be solved by the invention are as follows: the problems of low cost, convenience, fixed stability and ideal flaring effect cannot be simultaneously realized.

In order to solve the technical problems, the invention provides the following technical scheme: a portable fixed pipe flaring device, comprising: the flaring assembly comprises a clamping piece, a sleeve and a flaring piece, wherein the clamping piece is arranged on the inner side of the end part of the sleeve, and the clamping piece is clamped on the outer side of the end part of the pipe;

the flaring piece is arranged in the sleeve and comprises a rotating wheel, a third inclined plane and a boss, the rotating wheel is arranged in the middle of the sleeve and is coaxially arranged, the boss is arranged on the rotating wheel, the rotating wheel is matched with the sleeve, and the third inclined plane is arranged at the end part of the rotating wheel;

and the rotating wheel is also provided with a positioning assembly.

As a preferred scheme of the convenient fixed pipe flaring device of the present invention, wherein: the boss is arranged on the outer wall of the rotating wheel along the axis direction, and the outer side face of the boss is in contact with the inner wall of the sleeve.

As a preferred scheme of the convenient fixed pipe flaring device of the present invention, wherein: the rotating wheel is provided with external threads, and the end part of the rotating wheel is provided with a rotating cap;

as a preferred scheme of the convenient fixed pipe flaring device of the present invention, wherein: the sleeve includes barrel and end plate, the one end of barrel is provided with the holder, the other end of barrel is provided with the end plate.

As a preferred scheme of the convenient fixed pipe flaring device of the present invention, wherein: the end plate is provided with a threaded hole, the rotating wheel penetrates through the threaded hole, and the threaded hole is matched with the external thread.

As a preferred scheme of the convenient fixed pipe flaring device of the present invention, wherein: an arc-shaped opening is reserved on the end plate.

As a preferred scheme of the convenient fixed pipe flaring device of the present invention, wherein: the positioning assembly comprises a supporting plate, a side plate and an intermediate shaft, wherein the side plate is connected with the supporting plate and the intermediate shaft, an inner groove is formed between the supporting plate and the intermediate shaft, a control piece is arranged in the inner groove, the control piece is sleeved on the intermediate shaft, and an outer expanding piece penetrates through the supporting plate and the control piece to be connected with the intermediate shaft.

As a preferred scheme of the convenient fixed pipe flaring device of the present invention, wherein: the supporting plate is provided with a square hole in a penetrating mode along the radial direction, the middle shaft is provided with a shaft groove along the upper radial direction, and the shaft groove corresponds to the square hole in position.

The invention has the beneficial effects that: the invention can reduce the cost of the flaring device, improve the flaring quality effect and the flaring stability, increase the use convenience and reduce the research and development period of the process stamping flaring.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

fig. 1 is a schematic overall cross-sectional structure view of a portable fixed pipe flaring device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a fixing assembly in a convenient fixing type pipe flaring device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a control element in a portable fixed pipe flaring device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a first annular plate in the portable fixed tube flaring device according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second annular plate in the portable fixed tube flaring device according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an external expansion piece in the portable fixed tube flaring device according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a fixture block in the convenient fixed tube flaring device according to an embodiment of the present invention.

Wherein: flaring assembly 100, clamping member 101, sleeve 102, flaring member 103, rotating wheel 103a, third inclined surface 103B, boss 103c, external thread 103a-1, screw cap 103a-2, barrel 102a, end plate 102B, threaded hole 102B-1, arc opening 102c, positioning assembly 200, support plate 201, side plate 202, intermediate shaft 203, shaft groove 203a, internal groove 204, control member 205, flaring member 206, square hole 201a, first annular plate 205a, second annular plate 205B, first arc groove 205a-1, arc block 205a-2, toggle block 205a-3, first inclined surface 205a-4, projection 205c-1, asymptotic curved surface 205c-2, proximal end A, distal end B, second arc groove 205c-3, embedded groove 205B-1, fixture block 205B-2, first spring 205B-3, second inclined surface 205B-4, the insertion shaft 206a, the top block 206b, the second spring 206c, the abutting inclined surface 206d, the bent rod 206e, the stop block 205b-5 and the handle 205 c.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

Example 1

Referring to fig. 1-3, the embodiment discloses a convenient fixed tubular product flaring device, includes: the flaring assembly 100 comprises a clamping piece 101, a sleeve 102 and a flaring piece 103, wherein the clamping piece 101 is arranged on the inner side of the end part of the sleeve 102, and the clamping piece 101 is clamped on the outer side of the end part of the pipe; the flaring piece 103 is arranged in the sleeve 102, the flaring piece 103 comprises a rotating wheel 103a, a third inclined surface 103b and a boss 103c, the rotating wheel 103a is arranged in the middle of the sleeve 102 and coaxially arranged, the boss 103c is arranged on the rotating wheel 103a, the rotating wheel 103a is matched with the sleeve 102, and the third inclined surface 103b is arranged at the end part of the rotating wheel 103 a; the rotating wheel 103a is also provided with a positioning assembly 200.

The boss 103c is arranged on the outer wall of the rotating wheel 103a along the axial direction, and the outer side surface of the boss 103c is contacted with the inner wall of the sleeve 102; the rotating wheel 103a is provided with an external thread 103a-1, and the end part of the rotating wheel 103a is provided with a screw cap 103 a-2; the screw cap 103a-2 is arranged at the end part of the rotating wheel 103a extending out of the sleeve 102, and the external thread 103a-1 is arranged on the rotating wheel 103a extending out of one end of the outer side of the sleeve 102.

The sleeve 102 comprises a cylinder 102a and an end plate 102b, wherein one end of the cylinder 102a is provided with the clamping piece 101, and the other end of the cylinder 102a is provided with the end plate 102 b; the end plate 102b is provided with a threaded hole 102b-1, the rotating wheel 103a penetrates through the threaded hole 102b-1, and the threaded hole 102b-1 is matched with the external thread 103 a-1.

The end plate 102b is provided with an arc-shaped opening 102c, and the handle 205c passes through the arc-shaped opening 102 c.

When the screw cap 103a-2 is screwed, the rotating wheel 103a is pushed to move, and one end with the third inclined surface 103b enters the pipe to perform flaring operation;

the handle 205c is rotated by a small amplitude to drive the control member 205 to perform fixed control.

The positioning assembly 200 comprises a supporting plate 201, a side plate 202 and a middle shaft 203, wherein the side plate 202 is connected with the supporting plate 201 and the middle shaft 203, an inner groove 204 is formed between the supporting plate 201 and the middle shaft 203, a control piece 205 is arranged in the inner groove 204, the control piece 205 is sleeved on the middle shaft 203, and an outer expanding piece 206 penetrates through the supporting plate 201 and the control piece 205 to be connected with the middle shaft 203.

The intermediate shaft 203 is coaxial with the rotating wheel 103a, and the intermediate shaft 203 is sleeved on the rotating wheel 103a and is in key connection with the rotating wheel 103 a.

It should be noted that the support plate 201 has a cylindrical structure, and an inner groove 204 is formed by a non-through groove structure provided on one side thereof, the intermediate shaft 203 is provided coaxially with the support plate 201, and the axis of the support plate 201 is in a horizontal state.

Furthermore, the control element 205 is disposed in the inner groove 204, and by operating the control element 205, the flaring element 206 is indirectly controlled to expand outwards through the supporting plate 201, and the positioning assembly 200 is disposed inside the end of the pipe and supported and fixed by the flaring element 206.

Specifically, the control element 205 is rotated, the outward-expanding element 206 expands during initial rotation, the outward-expanding element 206 pushes against the inner side wall of the pipe after the rotation to a certain degree, and the fixed state is maintained by continuing the rotation.

When the flaring piece 103 is in place, the positioning assembly 200 is controlled to act, so that the flaring piece 103 is fixed relative to the sleeve 102 and the pipe, the end of the pipe is kept in a flaring state for a certain time, and the rebound deformation caused by the unconcentration of the stress of the end of the pipe after the flaring piece 103 is removed is avoided.

Example 2

Referring to fig. 1 to 7, the difference between the present embodiment and the previous embodiment is that a square hole 201a is radially formed through a support plate 201, a shaft groove 203a is radially formed on an intermediate shaft 203 along the upper direction, the shaft groove 203a corresponds to the square hole 201a, one end of an outward expansion piece 206 is embedded in the square hole 201a, and the other end is embedded in the shaft groove 203a, where it should be noted that the square hole 201a is a hole structure that is formed through the support plate 201 along the radial direction and limits one end of the outward expansion piece 206, so that the outward expansion piece 206 cannot rotate and can only move outward or retract inward along the radial direction.

Specifically, the tube is disposed outside the supporting plate 201, and the expanding member 206 can move radially outward to contact the inner wall of the tube, so that the tube is fixed relative to the positioning assembly 200.

Further, the control member 205 includes a first annular plate 205a and a second annular plate 205b, the first annular plate 205a is sleeved on the middle shaft 203, the first annular plate 205a is provided with a first arc groove 205a-1, and the second annular plate 205b is sleeved on the outer side of the first annular plate 205 a; the outer side of the first annular plate 205a is further provided with an arc block 205a-2, the arc block 205a-2 is provided with a toggle block 205a-3, and one side of the toggle block 205a-3 is provided with a first inclined surface 205 a-4.

It should be noted that, the first ring plate 205a and the second ring plate 205b are both annular plate-shaped structures, the first ring plate 205a can rotate relative to the intermediate shaft 203, the inner side of the first ring plate 205a is matched with the intermediate shaft 203, that is, the first ring plate 205a and the intermediate shaft 203 are coaxially arranged, the second ring plate 205b can rotate relative to the first ring plate 205a under a certain condition, specifically, the arc block 205a-2 is a raised structure arranged on the outer side of the first ring plate 205a, the outer side of the arc block is an arc surface structure, and the toggle block 205a-3 is a raised structure arranged on the arc block 205a-2, preferably, the top surface of the toggle block 205a-3 is attached to the inner side surface of the second ring plate 205b, so as to increase the structural stability between the first ring plate 205a and the second ring plate 205 b.

The dial block 205a-3 is arranged at one end of the arc block 205a-2, and the first inclined surface 205a-4 is arranged on the side surface of the dial block 205a-3 facing the arc block 205 a-2.

A convex block 205c-1 is arranged on the outer side of the second annular plate 205B, the top surface of the convex block 205c-1 is an asymptotic curved surface 205c-2, and the distance from the asymptotic curved surface 205c-2 to the center from the near end A to the far end B is gradually increased; preferably, the proximal end A of the asymptotic curve 205c-2 is smoothly blended with the outer surface of the second ring plate 205 b.

Furthermore, the second annular plate 205b is provided with a second arc groove 205c-3, and the second arc groove 205c-3 penetrates through the bump 205c-1 to divide the bump 205c-1 into two parts.

A caulking groove 205b-1 is radially arranged on the inner side of the second annular plate 205b, a fixture block 205b-2 is arranged in the caulking groove 205b-1, and the fixture block 205b-2 is connected with the bottom of the caulking groove 205b-1 through a first spring 205 b-3; one end of the fixture block 205b-2 is provided with a second inclined surface 205b-4, and the second inclined surface 205b-4 is provided with sawteeth; the slot 205b-1 is radially arranged along the inner side wall of the second ring plate 205b, the latch 205b-2 is embedded in the slot 205b-1 and can only slide in the slot 205b-1, and in a natural state, the first spring 205b-3 pushes the latch 205b-2 outwards.

The external expansion piece 206 comprises an inserting shaft 206a and a top block 206b, the inserting shaft 206a is embedded in the shaft groove 203a, the bottom of the inserting shaft 206a is connected with the bottom of the shaft groove 203a through a second spring 206c, the bottom of the top block 206b is provided with an abutting inclined surface 206d, and one side of the inserting shaft 206a is provided with a bent rod 206 e; the flaring member 206 is limited to move only in the radial direction of the intermediate shaft 203, and it should be noted that the second spring 206c pulls the insertion shaft 206a to draw the flaring member 206 toward the central axis of the intermediate shaft 203, so that the contact inclined surface 206d is always in contact with the asymptotic curved surface 205c-2, and the bent rod 206e is used for fixing the position of the flaring member 206.

The second ring plate 205b is provided with a stopper 205b-5 at the inner side, and the first ring plate 205a is provided with a handle 205c at the outer side of the end.

It should be noted that, in the initial state, the end of the fixture block 205b-2 abuts against the arc block 205a-2, the first inclined surface 205a-4 is disposed opposite to the second inclined surface 205b-4, at this time, the first ring plate 205a is rotated by the handle 205c, the dial block 205a-3 contacts with the fixture block 205b-2, and since the first spring 205b-3 abuts the fixture block 205b-2 against the arc block 205a-2, the dial block 205a-3 drives the fixture block 205b-2 and the entire second ring plate 205b to rotate together, in this process, the expanding element 206 and the second ring plate 205b rotate relatively, the top block 206b moves on the projection 205c-1, that is, the projection 205c-1 abuts the top block 206b outwards, until the top of the top block 206b contacts with the inner side wall of the pipe, so as to achieve the relative fixation of the positioning assembly 200 and the pipe, and in this process, the control element 205 is in a rotating state.

When the handle 205c is rotated further, since the flaring element 206 can not flare outward any more, during the continuous rotation, the toggle block 205a-3 will push the latch 205b-2 into the slot 205b-1 and contact the stop 205b-5 beyond the latch 205b-2, the latch 205b-2 will pop up under the action of the first spring 205b-3 to limit the toggle block 205a-3 between the latch 205b-2 and the stop 205b-5, and the first ring plate 205a and the second ring plate 205b are fixed relatively, at this time, the control element 205 is in a fixed state. It should be noted that, after the fixture block 205b-2 is ejected, the saw teeth thereon contact the edge of the end of the curved rod 206e, so as to limit the outward expansion piece 206 from moving backward, i.e. the outward expansion piece 206 always keeps in contact with the inner side wall of the pipe.

When the rotating force is greater than a certain degree, the fixing state can be automatically kept, the clamping and the fixing are convenient, and the fixing device is used for fixing the flaring piece 103.

It should be noted that the main structure of the present invention is the structure for realizing flaring and fixing the position, such as the flaring member 103 and the positioning assembly 200, therefore, the clamping member 101 is not thinned, it can be the existing clamping structure for fixing the pipe in the sleeve 102 from the outside, and it can also be the structure of the positioning assembly 200 that is adjusted to change from inside-out clamping to outside-in clamping and fixing.

Claims (8)

1. The utility model provides a convenient fixed tubular product flaring device which characterized in that includes:

the flaring assembly (100) comprises a clamping piece (101), a sleeve (102) and a flaring piece (103), wherein the clamping piece (101) is arranged on the inner side of the end part of the sleeve (102), and the clamping piece (101) is clamped on the outer side of the end part of the pipe;

the flaring piece (103) is arranged in the sleeve (102), the flaring piece (103) comprises a rotating wheel (103 a), a third inclined surface (103 b) and a boss (103 c), the rotating wheel (103 a) is arranged in the middle of the sleeve (102) and coaxially arranged, the boss (103 c) is arranged on the rotating wheel (103 a), the rotating wheel (103 a) is matched with the sleeve (102), and the third inclined surface (103 b) is arranged at the end part of the rotating wheel (103 a);

the rotating wheel (103 a) is also provided with a positioning assembly (200).

2. The portable fixed tube flaring device of claim 1, wherein: the boss (103 c) is arranged on the outer wall of the rotating wheel (103 a) along the axial direction, and the outer side face of the boss (103 c) is in contact with the inner wall of the sleeve (102).

3. The portable fixed tube flaring device of claim 2, wherein: an external thread (103 a-1) is arranged on the rotating wheel (103 a), and a screw cap (103 a-2) is arranged at the end part of the rotating wheel (103 a).

4. The portable fixed tube flaring device of claim 3, wherein: the sleeve (102) comprises a cylinder (102 a) and an end plate (102 b), the clamping piece (101) is arranged at one end of the cylinder (102 a), and the end plate (102 b) is arranged at the other end of the cylinder (102 a).

5. The portable fixed tube flaring device of claim 4, wherein: the end plate (102 b) is provided with a threaded hole (102 b-1), the rotating wheel (103 a) penetrates through the threaded hole (102 b-1), and the threaded hole (102 b-1) is matched with the external thread (103 a-1).

6. The portable fixed tube flaring device of claim 5, wherein: an arc-shaped opening (102 c) is reserved on the end plate (102 b).

7. The portable fixed tube flaring device of claim 6, wherein: locating component (200), locating component (200) includes backup pad (201), curb plate (202) and jackshaft (203), curb plate (202) are connected backup pad (201) with jackshaft (203), backup pad (201) with form between jackshaft (203) inside groove (204), be provided with control (205) in inside groove (204), control (205) cover is located on jackshaft (203), and outer expanding piece (206) runs through backup pad (201) with control (205) with jackshaft (203) is connected.

8. The portable fixed tube flaring device of claim 7, wherein: the supporting plate (201) is provided with a square hole (201 a) in a penetrating mode along the radial direction, the intermediate shaft (203) is provided with a shaft groove (203 a) along the radial direction, and the position of the shaft groove (203 a) corresponds to that of the square hole (201 a).

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