CN106001266A

CN106001266A - Flanging punch

Info

Publication number: CN106001266A
Application number: CN201610407619.3A
Authority: CN
Inventors: 付朝
Original assignee: Suzhou Day Precision Components Co Ltd
Current assignee: Suzhou Day Precision Components Co Ltd
Priority date: 2016-06-12
Filing date: 2016-06-12
Publication date: 2016-10-12
Anticipated expiration: 2036-06-12
Also published as: CN106001266B

Abstract

The invention relates to a flanging punch which comprises a flanging mold core and a deburring jacket, wherein one end of the flanging mold core is the flanging end; the other end of the flanging mold core is the connecting end; the flanging end is in a conical shape with the diameter to be gradually increased towards the connecting end; collection grooves with the cross section to be semicircular are circumferentially formed in the outer wall of the flanging end, close to one end with the largest diameter; the deburring jacket is detachably connected with the flanging mold core; the flanging mold core is installed in an inner hole of the deburring jacket; one end of the deburring jacket is the deburring end; a gap is formed between the deburring end and the flanging end; the inner hole is a step hole with a first hole segment and a second hole segment; the inside diameter of the first hole segment is smaller than that of the second hole segment; the connecting end of the flanging mold core is installed in the first hole segment through a fastening part; the deburring end is formed at the second hole segment; and the second hole segment is provided with a chamber at the step.

Description

A kind of flanging drift

Technical field

The present invention relates to pipe end processing and forming mould applications, particularly relate to a kind of flanging drift.

Background technology

The mouth of pipe quality of copper pipe deburring is always a bottleneck of pipe end processing and forming, the quality of crudy Directly influence interior pipe arrangement and the efficiency of upper snap joint.Owing to current pipe end forming die tool is the most common Flaring die and reducing die two kinds, do not have special deburring drift.

In order to ensure upper snap joint and the prescription of interior pipe arrangement, often need to process burr and flanging simultaneously Problem, it is ensured that the dimensional requirement of copper pipe internal-and external diameter.Therefore deburring operation need to divide two stroke processing, typically First carry out flanging operation, then carry out deburring operation, owing to two techniques can not be carried out simultaneously, and, Said method complex procedures, production efficiency is relatively low.

Because above-mentioned defect, the design people, the most in addition research and innovation, to founding a kind of novel knot The flanging drift of structure so that it is have more the value in industry.

Summary of the invention

For solving above-mentioned technical problem, it is an object of the invention to provide one can be carried out flanging and goes simultaneously The flanging drift of deburring operation.

The flanging drift of the present invention, including

-flanging core rod, its one end is flanging end, and the other end is for connecting end, and described flanging end is diametrically The taper gradually increased to described connection end, near one end week that its diameter is maximum on described flanging end outer wall It is semicircular collecting tank to being provided with cross section；

-deburring overcoat, removably connects with described flanging core rod, and described flanging core rod is arranged on described In the endoporus of deburring overcoat, one end of described deburring overcoat is unhairing barbed end, described unhairing barbed end and institute State, between flanging end, there is gap；

Wherein, described endoporus is to have the first hole section and the shoulder hole of the second hole section, described first hole section interior Footpath is arranged on described less than the internal diameter of described second hole section, the connection end of described flanging core rod by securing member In first hole section, described second hole section forms described unhairing barbed end；Described second hole section is provided with down at ladder Angle.

Further, the angle of described chamfering is equal with the cone angle of described flanging end.

Further, between edge and the bottom of described chamfering of described flanging end diameter maximum, there is institute State gap.

Further, described flanging end outer wall is provided with some reinforcements isometric with its bus, and two is adjacent Gully is formed between described reinforcement.

Further, the connection end of described flanging core rod is provided with binding groove, the middle part of described deburring overcoat It is provided with, at corresponding described binding groove, the connecting hole matched with described securing member.

Further, described securing member is screw, and described connecting hole is for having female through hole.

By such scheme, the flanging drift of the present invention utilizes flanging end and unhairing barbed end to press copper simultaneously The inside and outside wall of pipe, can guarantee that the inside/outside diameter size requirement of copper pipe, and utilizes chamfering to remove while flanging Inner burr, improves mouth of pipe quality, also improves production efficiency.

Described above is only the general introduction of technical solution of the present invention, in order to better understand the technology of the present invention Means, and can being practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate attached After figure describes in detail such as.

Accompanying drawing explanation

Fig. 1 is the structural representation of the present invention；

Fig. 2 is the structural representation of present invention China and foreign countries flange core rod.

Detailed description of the invention

Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described in further detail.With Lower embodiment is used for illustrating the present invention, but is not limited to the scope of the present invention.

Seeing Fig. 1 and Fig. 2, a kind of flanging drift described in a preferred embodiment of the present invention, including flanging Core rod 10, removably connects deburring overcoat 20 with flanging core rod 10.One end of flanging core rod 10 is Flanging end 11, the other end is for connecting end 12, and flanging end 11 is the most gradually to connecting what end 12 increased Taper；Flanging core rod 10 is arranged in the endoporus 21 of deburring overcoat 20, the one of deburring overcoat 20 End is unhairing barbed end 22, has gap between unhairing barbed end 22 and flanging end 11.Wherein, endoporus 21 is Having the first hole section 23 and shoulder hole of the second hole section 24, the internal diameter of the first hole section 23 is less than the second hole section 24 Internal diameter, the connection end 12 of flanging core rod 10 is arranged in the first hole section 23 by securing member 40, the Two hole sections 24 form unhairing barbed end 22；Second hole section 24 is provided with chamfering 25 at ladder.

Flanging core rod 10 in the present invention plays flanging effect, by the mouthpiece cover of copper pipe flange core rod 10 outside Flanging end 11 on, due to flanging end 11 the most gradually to connect end 12 increase taper, in work The mouth of pipe can be carried out flanging during work；Utilize the gap between unhairing barbed end 22 and flanging end 11 30, tube wall can be placed in this gap 30, so, flanging end 11 is placed in the mouth of pipe；Again because of the second hole Section 24 is provided with chamfering 25 at ladder, and while flanging, chamfering 25 contacts with the mouth of pipe, utilizes chamfering The inner burr produced during 25 that is removable mouth of pipe flangings, production process becomes simple, thus improves Production efficiency.Further, between edge and the bottom of chamfering 25 of flanging end 11 diameter maximum also There is above-mentioned gap 30, the size in gap 30 can be determined according to the wall thickness of copper pipe, thus ensure internal-and external diameter Dimensional requirement.

Further, one end that on present invention flared ends 11 outer wall outside, its diameter close is maximum is circumferentially with to be cut Face is semicircular collecting tank 15.By arranging collecting tank 15 in this position, chamfering 25 is removing inner burr Time produce burr can drop in collecting tank 15, it is to avoid burr is infected with on the outer wall of flared ends 11 outside, Produce drag effects flanging end 11 and enter in the mouth of pipe, it is ensured that when flanging end 11 enters the mouth of pipe smoothly.

For further ensuring that copper pipe internal diameter size, the angle of chamfering 25 and the cone of flanging end 11 in the present invention Angle is equal so that when flanging, utilizes chamfering 25 to stop copper pipe to produce irregular deformation.

Owing to the present invention is to utilize flanging end 11 mouth of pipe to strut inside the mouth of pipe formation flanging, for guaranteeing The mouth of pipe can quickly be strutted by flanging end 11 by copper pipe inboard wall stress, present invention flared ends 11 outer wall outside It is provided with some reinforcements 13 isometric with its bus, between two adjacent said rib 13, forms gully.Utilize each For linear contact lay between flanging end 11 and copper pipe inwall that reinforcement 13 makes, the contact of contact area phase specific surface subtracts Few a lot, thus in the case of identical active force, increase the pressure suffered by copper pipe inwall, it is thus possible to Enough quickly the mouth of pipe is strutted.

For ease of flanging core rod 10 is installed with deburring overcoat 20, present invention flange core rod outside The connection end 12 of 10 is provided with binding groove 14, and at the middle part correspondence binding groove of deburring overcoat 20,14 are provided with The connecting hole matched with securing member 40.Concrete, securing member 40 is screw, and connecting hole is for having interior spiral shell The through hole of stricture of vagina, utilizes threaded mode, it is achieved deburring overcoat 20 is removable with flanging core rod 10 Unload connection.

The operation principle of the present invention is as follows:

First being directly installed on pipe end forming machine by flanging drift, copper pipe to be processed is placed on pipe end forming machine Clamp in clamping.Along with stroke movement, during work, the flanging end 11 of flanging core rod 10 first with copper Inside pipe wall contacts, and liquidates copper pipe internal diameter outward flanging and ensures internal diameter size；Deburring overcoat 20 immediately Chamfering 25 and copper pipe contact internal walls, remove inner burr to copper pipe；During drift backhaul, the of deburring overcoat 20 The inwall of two hole sections 24 contacts with the mouth of pipe of flanging, again removes outer burr, the copper pipe effect so processed The most more preferably, and the burr removed can drop in collecting tank 15 fruit, it is to avoid burr is infected with flared ends 11 outside Outer wall on.The flanging drift of the present invention utilizes flanging end to press the inside and outside of copper pipe with unhairing barbed end simultaneously Wall, can guarantee that the inside/outside diameter size requirement of copper pipe, and utilizes chamfering to remove inner burr while flanging, Improve mouth of pipe quality, also improve production efficiency.

The above is only the preferred embodiment of the present invention, is not limited to the present invention, it is noted that For those skilled in the art, on the premise of without departing from the technology of the present invention principle, also Can make some improvement and modification, these improve and modification also should be regarded as protection scope of the present invention.

Claims

1. a flanging drift, it is characterised in that: include

Flanging drift the most according to claim 1, it is characterised in that: the angle of described chamfering and institute The cone angle stating flanging end is equal.

Flanging drift the most according to claim 1, it is characterised in that: described flanging end diameter is Between edge and the bottom of described chamfering of general goal, there is described gap.

Flanging drift the most according to claim 1, it is characterised in that: on described flanging end outer wall It is provided with some reinforcements isometric with its bus, between two adjacent described reinforcements, forms gully.

Flanging drift the most according to claim 1, it is characterised in that: the company of described flanging core rod Connect end and be provided with binding groove, be provided with and described securing member at the corresponding described binding groove in the middle part of described deburring overcoat The connecting hole matched.

Flanging drift the most according to claim 5, it is characterised in that: described securing member is screw, Described connecting hole is for having female through hole.