CN212917323U

CN212917323U - Hollow tube flaring device

Info

Publication number: CN212917323U
Application number: CN202021468163.XU
Authority: CN
Inventors: 孙虎
Original assignee: Shenzhen Tatfook 2r Forming Technologhy Co ltd
Current assignee: Shenzhen Tatfook 2r Forming Technologhy Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-04-09
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses a hollow tube flaring device, include: the first fixing component is positioned at the upper part of the second fixing component in the stamping process, and the punch head extends into the hollow pipe; the punch is provided with a step section for flaring the hollow pipe, and the outer diameter of the step section is larger than the inner diameter of the hollow pipe. The hollow tube flaring device provided by the utility model has the advantages of convenient operation, simple steps and easy operation; and because the punch and the hollow tube do not need to be manually and repeatedly aligned in the process of punching and flaring, the flaring consistency and the flaring quality can be improved.

Description

Hollow tube flaring device

Technical Field

The utility model relates to a machining equipment technical field, more specifically say, relate to a hollow tube flaring device.

Background

In the assembling or assembling process of the hollow pipe, one end of the hollow pipe needs to be flared sometimes, in the prior art, the hollow pipe is flared by means of a tool generally by manual work, in the flaring process, the hollow pipe needing to be flared needs to be aligned manually, and in the operating process, due to the difference of manual proficiency and operating modes, the precision and consistency of the reaming of the hollow pipe cannot be guaranteed.

In summary, how to provide a flaring device which is convenient to operate and can improve the yield rate of hollow tube flaring process is a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a hollow tube flaring device, which can simplify the flaring process of the hollow tube and improve the flaring quality of the hollow tube.

In order to achieve the above object, the present invention provides the following technical solutions:

a hollow tube flaring device comprising: the device comprises a first fixing component and a second fixing component, wherein the first fixing component is used for fixing a hollow pipe to be flared, and the first fixing component is used for fixing a punch matched with the hollow pipe;

the punch is provided with a step section for expanding the hollow pipe, and the outer diameter of the step section is larger than the inner diameter of the hollow pipe.

Preferably, first fixed subassembly includes upper die base and the punch holder that sets gradually from top to bottom along the direction of height, the upper die base with punch holder fixed connection, the punch holder is provided with and is used for making the first through-hole that the drift passed, the drift with the upper die base passes through the fastener and fixes.

Preferably, the first fixing assembly further comprises a stripper plate and an adjusting piece penetrating through the upper clamping plate and extending out of the lower end of the upper clamping plate, and a mounting hole used for being matched with the adjusting piece is formed in the upper surface of the stripper plate.

Preferably, the outer part of the adjusting piece is sleeved with a contour sleeve.

Preferably, the second fixing component comprises a lower cover plate, a lower mold plate and a lower mold base which are sequentially arranged from top to bottom along the height direction, and the lower cover plate and the lower mold plate are provided with second through holes for enabling the hollow pipes to penetrate through.

Preferably, the lower die base is provided with a positioning piece for positioning the position of the hollow tube, and the positioning piece protrudes out of the upper surface of the lower die base.

Preferably, the lower die further comprises a lower cushion plate arranged between the lower die plate and the lower die base, the lower cushion plate is provided with a third through hole for the hollow pipe to pass through, and the lower cushion plate is detachably connected with the lower die plate and the lower die base.

Preferably, the lower surface of the stripper plate is provided with a boss, and the upper surface of the lower cover plate is provided with a groove matched with the boss.

In using the utility model provides an in-process of hollow tube flaring device, at first need be fixed in the fixed subassembly of second with the hollow tube of treating the flaring, the drift that will correspond with the hollow tube is fixed in first fixed subassembly, then set up first fixed subassembly in the upper portion of the fixed subassembly of second, and it is inside to make the drift stretch into the hollow tube, can use relevant stamping equipment to drive first fixed subassembly and move down for the fixed subassembly of second, in order to make the bench section of drift get into the hollow tube, because the external diameter size in stage is greater than the internal diameter size of hollow tube, consequently at the in-process of drift removal down, the upper portion that can make the hollow tube is strutted, realize the flaring.

Compared with the prior art, the hollow tube flaring device provided by the utility model has the advantages of convenient operation, simple steps and easy operation; and because the punch and the hollow tube do not need to be manually and repeatedly aligned in the process of punching and flaring, the flaring consistency and the flaring quality can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a specific embodiment of a hollow tube flaring device provided by the present invention;

fig. 2 is a schematic structural view of the hollow tube flaring device provided by the present invention in a mold opening state;

fig. 3 is a schematic structural view of a punch entering a hollow tube in the hollow tube flaring device provided by the present invention;

fig. 4 is a schematic structural view of the hollow pipe flaring device provided by the present invention in a closed mold state;

fig. 5 is a schematic structural view of the hollow tube flaring device provided by the present invention in a material stripping state;

fig. 6 is a schematic structural view of the punch provided by the present invention;

fig. 7 is a schematic top view of the upper die base provided by the present invention;

fig. 8 is a schematic top view of the upper splint according to the present invention;

fig. 9 is a schematic top view of the stripper plate provided in the present invention;

fig. 10 is a schematic front view of a stripper plate according to the present invention;

fig. 11 is a schematic top view of the lower cover plate provided in the present invention;

fig. 12 is a schematic front view of a lower cover plate provided in the present invention;

fig. 13 is a schematic top view of the lower template provided by the present invention;

fig. 14 is a schematic top view of a lower mat provided by the present invention;

fig. 15 is a schematic top view of the lower die holder according to the present invention;

FIG. 16 is a schematic front view of the lower die holder according to the present invention;

fig. 17 is a schematic structural view of the positioning member.

In FIGS. 1-17:

01 is a hollow pipe, 1 is a punch, 101 is a first threaded hole, 102 is a stage, 2 is an upper die holder, 201 is a counter bore, 3 is an upper clamping plate, 4 is a stripper plate, 401 is a boss, 5 is a positioning piece, 6 is an adjusting piece, 7 is an equal-height sleeve, 8 is a lower cover plate, 801 is a groove, 9 is a lower die plate, 10 is a lower die holder, and 11 is a lower cushion plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a hollow tube flaring device, can simplify the process of the flaring of hollow tube to can improve the flaring quality of hollow tube.

Please refer to fig. 1-17.

This embodiment provides a hollow tube flaring device, includes: the device comprises a first fixing component and a second fixing component, wherein the first fixing component is used for fixing a hollow pipe 01 to be flared, and the first fixing component is used for fixing a punch 1 matched with the hollow pipe 01; the punch 1 is provided with a step section 102 for flaring the hollow tube 01, and the outer diameter dimension of the step section 102 is larger than the inner diameter dimension of the hollow tube 01.

It should be noted that, the first fixing component and the second fixing component mentioned in the present application document may be both an integrated structure or a split structure, and are determined specifically according to actual situations, and are not described herein again.

As shown in fig. 6, the punch 1 has a step-like structure, and the portion of the punch 1 which first extends into the hollow tube 01 has a smaller diameter, and finally is used for extruding the hollow tube 01, so that the portion of the hollow tube 01 which is expanded and flared has a larger diameter.

In the process of using the hollow tube flaring device provided by the present embodiment, first, the hollow tube 01 to be flared needs to be fixed to the second fixing component, the punch 1 corresponding to the hollow tube 01 is fixed to the first fixing component, then the first fixing component is arranged on the upper portion of the second fixing component, and the punch 1 extends into the hollow tube 01, and the related punching equipment can be used to drive the first fixing component to move downward relative to the second fixing component, so that the step section 102 of the punch 1 enters the hollow tube 01, and since the outer diameter of the step section 102 is greater than the inner diameter of the hollow tube 01, in the process of moving downward of the punch 1, the upper portion of the hollow tube 01 is flared, and flaring is achieved.

Compared with the prior art, the hollow tube flaring device provided by the embodiment is convenient to operate, simple in steps and easy to operate; and in the process of punching and flaring, the punch 1 and the hollow tube 01 do not need to be aligned manually and repeatedly, so that the flaring consistency and the flaring quality can be improved.

On the basis of the above-mentioned embodiment, can make first fixed subassembly include upper die base 2, punch holder 3 and the flitch 4 of taking off that sets gradually from top to bottom along the direction of height, and the top of drift 1 is provided with first screw hole 101, and punch holder 3 and the flitch 4 of taking off all are provided with the first through-hole that is used for making drift 1 pass, and upper die base 2 is provided with countersunk hole 201 that is used for making the screw pass, and the screw is connected with first screw hole 101 cooperation.

It should be noted that, in the assembling process, the upper die holder 2 and the upper clamp plate 3 may be connected by fastening screws, and the upper clamp plate 3 and the stripper plate 4 may also be connected by fastening screws, which, of course, may be in other connection manners, and will not be described herein.

In the assembling process, the first fixing component can be moved to the mold opening state, the punch 1 penetrates through the first through hole from the lower part, then a screw is inserted into the countersunk hole 201 in the upper part and connected with the punch 1, and the punch 1 can be fixed by tightening the screw.

In use, when the dimensions of the hollow tube 01 are changed, the punch 1 can be replaced by removing the screw.

On the basis of the above embodiment, the material removing device may further include an adjusting member 6 penetrating through the upper clamping plate 3 and extending out of the lower end of the upper clamping plate 3, and the upper surface of the material removing plate 4 is provided with a mounting hole for being matched with the adjusting member 6.

Preferably, a contour sleeve 7 may be provided on the outer peripheral portion of the adjuster 6.

In the using process, as shown in fig. 3, when the step section 102 of the punch 1 just starts to contact with the hollow tube 01, a certain gap is formed between the lower surface of the upper clamping plate 3 and the upper surface of the stripper plate 4, at this time, the stripper plate 4 can be attached to the upper surface of the lower cover plate 8 by pressing the stripper plate 4 downwards through the relevant punching equipment, at this time, if the flaring depth is not reached, the upper die holder 2 can be moved downwards relative to the stripper plate 4 by screwing the adjusting piece 6, so that the punch 1 is moved downwards, the step section 102 further enters the hollow tube 01 downwards, the flaring depth of the hollow tube 01 is increased, and the flaring depth can be adjusted by screwing the adjusting piece 6.

On the basis of the above embodiment, the second fixing component can comprise a lower cover plate 8, a lower cover plate 9 and a lower die holder 10 which are sequentially arranged from top to bottom along the height direction, and the lower cover plate 8 and the lower cover plate 9 are both provided with second through holes for allowing the hollow pipes 01 to pass through.

When the hollow tube 01 is fixed, the hollow tube 01 can be directly placed in the first through hole.

In order to position the hollow tube 01, a positioning element 5 for positioning the position of the hollow tube 01 may be disposed on the lower die holder 10, and the positioning element 5 is disposed to protrude from the upper surface of the lower die holder 10.

As shown in fig. 17, the positioning member 5 has a step-shaped structure, and in the using process, a positioning hole for placing the positioning member 5 can be formed in the lower die holder 10, the positioning member 5 is placed in the lower die holder 10, and after the hollow tube 01 is placed in the first through hole, the hollow tube 01 can be sleeved on the outer periphery of the positioning member 5, so as to position the hollow tube 01.

When the first fixing component and the second fixing component are separated and in a stripping state, the positioning piece 5 can be pushed upwards to push the hollow tube 01 out, so that the hollow tube 01 can be taken out conveniently.

On the basis of the above embodiment, a lower cushion plate 11 located between the lower mold plate 9 and the lower mold base 10 can be further provided, the lower cushion plate 11 is provided with a third through hole for the hollow tube 01 to pass through, and the lower cushion plate 11 can be detachably connected with both the lower mold plate 9 and the lower mold base 10.

For positioning, a boss 401 may be provided on the lower surface of the stripper plate 4, and a groove 801 for cooperating with the boss 401 may be provided on the upper surface of the lower cover plate 8.

It should be noted that, in the present application, the first through hole, the second through hole, and the third through hole mentioned above are only used for distinguishing the position differences, and are not in sequence.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The utility model provides an arbitrary compound mode of all embodiments all is in this utility model's a protection scope, does not do here and gives unnecessary details.

The above is to the hollow tube flaring device provided by the utility model is introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A hollow tube flaring device, comprising: the device comprises a second fixing component and a first fixing component, wherein the second fixing component is used for fixing a hollow pipe (01) to be flared, the first fixing component is used for fixing a punch (1) matched with the hollow pipe (01), the first fixing component is positioned at the upper part of the second fixing component in the punching process, and the punch (1) extends into the hollow pipe (01);

the punch (1) is provided with a table stage (102) for flaring the hollow tube, and the outer diameter of the table stage (102) is larger than the inner diameter of the hollow tube (01).

2. The hollow tube flaring device of claim 1, characterized in that said first fixing component comprises an upper die holder (2) and an upper clamping plate (3) which are arranged in sequence from top to bottom along the height direction, said upper die holder (2) and said upper clamping plate (3) are fixedly connected, said upper clamping plate (3) is provided with a first through hole for passing said punch (1), said punch (1) is fixed with said upper die holder (2) by a fastener.

3. The hollow tube flaring device according to claim 2, characterized in that said first fixing assembly further comprises a stripper plate (4) and an adjusting piece (6) passing through said upper clamping plate (3) and extending out of the lower end of said upper clamping plate (3), and the upper surface of said stripper plate (4) is provided with a mounting hole for cooperating with said adjusting piece (6).

4. The hollow tube flaring device of claim 3, characterized in that the adjusting piece (6) is externally sleeved with a contour sleeve (7).

5. The hollow tube flaring device of claim 3, characterized in that said second fixing component comprises a lower cover plate (8), a lower cover plate (9) and a lower base (10) which are arranged from top to bottom in sequence along the height direction, and said lower cover plate (8) and said lower cover plate (9) are both provided with second through holes for passing said hollow tubes (01).

6. The hollow tube flaring device according to claim 5, characterized in that the lower die holder (10) is provided with a positioning element (5) for positioning the position of the hollow tube (01), and the positioning element (5) is arranged to protrude out of the upper surface of the lower die holder (10).

7. The hollow tube flaring device of claim 5, characterized in that, the device further comprises a lower backing plate (11) arranged between the lower template (9) and the lower die holder (10), the lower backing plate (11) is provided with a third through hole for the hollow tube (01) to pass through, and the lower backing plate (11) is detachably connected with both the lower template (9) and the lower die holder (10).

8. The hollow tube flaring device according to claim 5, characterized in that the lower surface of said stripper plate (4) is provided with a boss (401) and the upper surface of said lower cover plate (8) is provided with a groove (801) for cooperating with said boss (401).