CN107900173A - Thin-wall pipe radial hole flange body - Google Patents
Thin-wall pipe radial hole flange body Download PDFInfo
- Publication number
- CN107900173A CN107900173A CN201711042431.4A CN201711042431A CN107900173A CN 107900173 A CN107900173 A CN 107900173A CN 201711042431 A CN201711042431 A CN 201711042431A CN 107900173 A CN107900173 A CN 107900173A
- Authority
- CN
- China
- Prior art keywords
- hole
- longitudinal direction
- cavity plate
- vertical
- flat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
- B21D19/088—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws for flanging holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
Abstract
The present invention relates to a kind of thin-wall pipe radial hole flange body.Its main feature is that including U-shaped seat, there are two gripping blocks in U-shaped seat, have longitudinal fluting on the top proximal surface of two gripping blocks.There is cavity plate in U-shaped seat, the first press is connected with above cavity plate.There is longitudinal shallow slot among cavity plate lower surface, flat hole is formed by longitudinal shallow slot and flat groove, processed flat tube is placed in flat hole, has punching on the upside of flat tube, there is die orifice hole on the cavity plate opposite with punching.There is fixed block behind U-shaped seat, have plug between two gripping blocks and fixed block.Have vertical hole on the upside of corresponding with die orifice hole plug, have in plug first longitudinal direction hole and the two between it is excessive in circular arc.Have behind fixed block into pearl seat, into pearl seat on have second longitudinal direction hole.Into pearl seat above have into the hole of bead, into the die orifice orifice part of the hole of bead and cavity plate between have steel ball runner.There is mandril in first longitudinal direction hole, mandril rear end has by sliding block, punch and the second press.Using the present invention, production cost and rejection rate can be reduced.
Description
Technical field
The present invention relates to a kind of mould.Specifically, be for by the punching processing on the upper wall of small-bore flat tube into hole flanging
Molding die.Turning on the fuel gas inlet interface flat tube upper wall for the gas-cooker being particularly suitable in caravan etc small space
Hole machined.
Background technology
Both known about in caravan production industry, the gas-cooker for cooking for occupant is fitted with caravan.Due to caravan
Interior space is smaller, and the bore of pipe fitting --- -- flat tube on gas-cooker for installing gas inlet valve is also very small.Wherein
Flat tube contain two tube walls being parallel to each other and two arc tube walls positioned opposite, process and be used as on one arc tube wall
The hole flanging of air inlet, during installation, is machined with internal thread, in order to install air intake valve in hole flanging.Process the conventional method of hole flanging
It is taper bit and the flat tube mantle friction heat softening flat tube bore area of high-speed rotation to be bored using hot melt, from one of flat tube
Ecto-entad drills on the outside of arc tube wall.While taper hot melting drill head drills, the surrounding in drilled hole is softened and is formed
One outside thrust, so as to form the outward flanging with certain altitude in the surrounding edge in drilled hole, realizes hole flanging
Processing.For the sake of anti-corrosion and beauty, flat tube used is usually all using galvanized pipe, and zinc coat fusing point thereon is low, such as
Fruit is drilled with taper hot melting drill head, and acutely chemical reaction occurs with the oxygen in air at high temperature for the zinc coat in hole flanging area, goes out
Existing combustion phenomena, reaction product zinc oxide is squeezed into hole wall steel matrix or residual hole wall surface, easily causes hole flanging mouth
Crack at edge or cell wall rupture, while Zinc coat is destroyed, seriously affect the quality and yield rate of hole flanging.For this reason,
First the zinc coat of the hole flanging surrounding of flat tube to be processed need to just be removed with acid washing method before hole flanging processing, then it is hot with taper
Molten bit bore.To extend the service life of flat tube, in hole flanging process finishing, also need to plate the corresponding site of flat tube again
Zinc.It can be seen from the above that processing hole flanging using the above method, step is more, complex process, and production cost is higher.In addition, using hot melt
Drill bit is low to process the flange height that hole flanging is formed, and the screw thread lines of the tapping in a lower height of flange is short, it is difficult to meets
The installation of valve needs.Due to processing hole flanging using hot melting drill head, the flange thickness formed is difficult to control so that flange is thick
Spend relatively thin, not only intensity is low, but also flange is easily broken during tapping, high rejection rate.
The content of the invention
The problem to be solved in the present invention is to provide a kind of thin-wall pipe radial hole flange body.Using this device come small
Hole flanging is processed on bore flat tube, not only step is few, technique is simple, production cost is low, but also the flange thickness of the hole flanging processed
It is thicker, intensity is high, when tapping is not easy to break through, rejection rate is low.
The invention solves the above problem realized by following technical scheme：
The thin-wall pipe radial hole flange body feature of the present invention is to include U-shaped seat, there is two gripping blocks in U-shaped seat, and two clamp
There is longitudinal fluting on the top proximal surface of block, the flat groove for accommodating flat tube is made of two longitudinal flutings.It is useful for compressing in U-shaped seat
The cavity plate of gripping block, cavity plate top are connected with the first press.There is longitudinal shallow slot in the centre of cavity plate lower surface, the slot bottom of longitudinal shallow slot and
The slot bottom of flat groove is arc, and the flat hole being adapted to flat tube is formed by longitudinal shallow slot and flat groove, and when work is processed flat tube and is placed in
In flat hole, there is punching on flat tube upper side, there is die orifice hole on the cavity plate opposite with punching.Fixed block, two folders are connected with behind U-shaped seat
Tightly there is plug between block and fixed block, plug rear end is fixed in fixed block, and plug front end is penetrated in the processed flat tube in flat groove.
There is vertical hole on the upside of plug corresponding with die orifice hole, there is first longitudinal direction hole in the plug between vertical hole and plug rear end, and vertically
Excessive in streamlined circular arc between hole and first longitudinal direction hole, the diameter in vertical hole and first longitudinal direction hole is equal, and vertical hole or first
Twice of the diameter difference in longitudinal hole and die orifice hole≤processed flat tube thickness.Be connected with behind fixed block into pearl seat, into pearl seat on have
The second longitudinal direction hole connected with first longitudinal direction hole；Have above into pearl seat communicated with second longitudinal direction hole into the hole of bead, into the hole of bead with it is recessed
There is steel ball runner between the die orifice orifice part of mould.There is slide cartridge below into pearl seat, the slide cartridge is in being vertically arranged, with first longitudinal direction hole pair
There is through hole on the slide cartridge barrel answered, and the bore of the through hole is more than the diameter in first longitudinal direction hole.First longitudinal direction has mandril in hole, leads to
There is cross slider in hole, cross slider is connected with the neighboring terminal of mandril；The cross slider is column, its one end not being connected with mandril has
One inclined-plane.There is punch in slide cartridge on first inclined-plane, there are the second inclined-plane coordinated with the first inclined-plane, punch upper end in punch lower end
It is connected with the second press.
Further improvement of the present invention scheme is that have vertical slot on two vertical part medial surfaces of U-shaped seat, with two vertical slot phases
To cavity plate lower surface relative position on have inclined wedge, when cavity plate is contacted with gripping block, inclined wedge be stuck in the slot bottom of vertical slot with it is corresponding
Between the lateral surface of gripping block, and make to leave gap between gripping block outside the cell wall of vertical slot.
Further improvement of the present invention scheme is that have concentric blind hole among the proximal surface of the gripping block, two concentric blind holes
Bottom hole between have reset spring.
Further improvement of the present invention scheme is to be cased with adjustment block on two flat tubes between gripping block and fixed block.
Further improvement of the present invention scheme is that bottom plate is connected with below U-shaped seat.
As can be seen from the above scheme, since the present invention contains U-shaped seat, there are two gripping blocks in U-shaped seat, two gripping blocks
There is longitudinal fluting on the proximal surface of top, the flat groove for accommodating flat tube is made of two longitudinal flutings；It is useful for compressing in U-shaped seat and clamps
The cavity plate of block, cavity plate top are connected with the first press；There are longitudinal shallow slot, the slot bottom of longitudinal shallow slot and flat groove in the centre of cavity plate lower surface
Slot bottom be arc, the flat hole being adapted to flat tube is formed by longitudinal shallow slot and flat groove, when work is processed flat tube and is placed in flat hole
It is interior, there is punching on flat tube upper side, there is die orifice hole on the cavity plate opposite with punching；Fixed block, two gripping blocks are connected with behind U-shaped seat
There is plug between fixed block, plug rear end is fixed in fixed block, and plug front end is penetrated in the processed flat tube in flat groove；With mould
Have vertical hole on the upside of the corresponding plug of oral pore, there is first longitudinal direction hole in the plug between vertical hole and plug rear end, and vertical hole with
Excessive in streamlined circular arc between first longitudinal direction hole, the diameter in vertical hole and first longitudinal direction hole is equal, and vertical hole or first longitudinal direction
Twice of the diameter difference in hole and die orifice hole≤processed flat tube thickness；Be connected with behind fixed block into pearl seat, into pearl seat on have and the
The second longitudinal direction hole of one longitudinal hole connection；Have above into pearl seat communicated with second longitudinal direction hole into the hole of bead, into the hole of bead and cavity plate
There is steel ball runner between die orifice orifice part；There is slide cartridge below into pearl seat, the slide cartridge is in be vertically arranged, corresponding with first longitudinal direction hole
There is through hole on slide cartridge barrel, and the bore of the through hole is more than the diameter in first longitudinal direction hole；There is mandril in first longitudinal direction hole, in through hole
There is cross slider, cross slider is connected with the neighboring terminal of mandril；The cross slider is column, its one end not being connected with mandril has first oblique
Face；There is punch in slide cartridge on first inclined-plane, there is the second inclined-plane coordinated with the first inclined-plane in punch lower end, and punch upper end is connected with
Second press.
During work, it will be entered using the second press, punch, cross slider and mandril into the steel ball in the hole of bead and pass sequentially through first
Streamlined circular arc transition zone and vertical hole between longitudinal hole, vertical hole and first longitudinal direction hole, finally make steel ball from vertical hole Nei Ding
Go out, only need a step, be achieved that the flange processing of punching on flat tube, compared with background technology, step is few, and technique is simple, production
Cost is low.Passed sequentially through again since the present invention will be entered into the steel ball in the hole of bead using the second press, punch, cross slider and mandril
Streamlined circular arc transition zone and vertical hole between first longitudinal direction hole, vertical hole and first longitudinal direction hole, finally make steel ball from vertical hole
Interior ejection, the ecto-entad for becoming traditional are processed as processing from inside to outside, are not required to the equipment such as taper hot melting drill head, the flange formed
Height is high, the screw thread lines length of the tapping in higher-height flange, can meet the installation needs of valve.Due to being bored without hot melt
Head processes hole flanging, and the flange thickness formed is substantially identical with the pipe thickness of processed flat tube, thickness is thicker, intensity compared with
It is high.Again since the flange thickness and the pipe thickness of processed flat tube that are formed are essentially identical, flange easily quilt when avoiding tapping
Situation about breaking through occurs, and thus greatly reduces rejection rate.
Brief description of the drawings
Fig. 1 is the thin-wall pipe radial hole flange body schematic diagram of the present invention；
Fig. 2 is the left view schematic diagram of Fig. 1.
Embodiment
As depicted in figs. 1 and 2, thin-wall pipe radial hole flange body of the invention contains U-shaped seat 2, is set in U-shaped seat 2
There are two gripping blocks 3, longitudinal fluting is machined with the top proximal surface of two gripping blocks 3, docked by the notch of two longitudinal flutings
A flat groove that can accommodate processed flat tube 4 is formed afterwards.The cavity plate 7 for compressing gripping block 3 is provided with U-shaped seat 2, it is described recessed
Mould 7 is tabular, its top is provided with the first press 6.First press 6 is pressurized cylinder, the piston rod of pressurized cylinder downward and with
Cavity plate 7 is connected, by the flexible of piston rod, to drive the flexible of cavity plate 7.The centre of 7 lower surface of cavity plate is machined with longitudinal shallow slot,
The slot bottom of the slot bottom of longitudinal shallow slot and flat groove is arc, and the flat hole being adapted to flat tube is formed by longitudinal shallow slot and flat groove.Work
When, it is processed flat tube 4 and is placed in flat hole.It is processed on 4 upper side of flat tube and punching has been pre-machined, the cavity plate 7 opposite with punching
On be machined with die orifice hole 5.
U-shaped seat 2 is connected with fixed block 10 below, plug 9 is provided between two gripping blocks 3 and fixed block 10,9 rear end of plug is fixed
In fixed block 10,9 front end of plug is penetrated in the processed flat tube 4 in flat groove.The upside of plug 9 corresponding with die orifice hole 5 processing
There is a vertical hole 91, first longitudinal direction hole is machined with the plug 9 between 9 rear end of vertical hole 91 and plug, and vertical hole 91 and first is indulged
To between hole be in streamlined circular arc it is excessive.Vertical hole 91 is equal with the diameter in first longitudinal direction hole, vertical hole 91 or first longitudinal direction hole with
Twice of the diameter difference in die orifice hole 5≤4 thickness of processed flat tube.In the present embodiment, vertical hole 91 or first longitudinal direction hole and mould
The diameter difference of oral pore 5 is be processed 4 thickness of flat tube 1.8 times.Fixed block 10 is provided with into pearl seat 13 below, should be block into pearl seat
Shape, it links together by bolt and fixed block 10.Be machined with into pearl seat 13 it is coaxial with first longitudinal direction hole and connect the
Two longitudinal holes.Be machined with above into pearl seat 13 communicated with second longitudinal direction hole into the hole of bead 11.To improve the automation journey of the present invention
Degree, is provided with steel ball passage so that from die orifice hole 5 in 5 oral area of die orifice hole of cavity plate 7 and into pearl seat 13 between 11 oral area of the hole of bead
Steel ball 12 out can flow to automatically on pearl seat 13 into the hole of bead 11.
There is slide cartridge 24 below into pearl seat 13, the slide cartridge 24 is in be vertically arranged, slide cartridge 24 corresponding with first longitudinal direction hole
There is through hole on wall, and the bore of the through hole is more than the diameter in first longitudinal direction hole；There is mandril 14 in first longitudinal direction hole, have horizontal stroke in through hole
Sliding block 25, cross slider 25 are connected with the neighboring terminal of mandril 14；The cross slider 25 is column, its one end not being connected with mandril 14 has
First inclined-plane 27；There is punch 23 in slide cartridge 24 on first inclined-plane 27, there be the coordinated with the first inclined-plane 27 in 23 lower end of punch
Two inclined-planes 26,23 upper end of punch are connected with the second press 22.
Wherein, vertical slot 19 is machined with two vertical part medial surfaces of U-shaped seat 2, the cavity plate 7 opposite with two vertical slots 19
Inclined wedge 18 is connected with the relative position of lower surface, when 7 lower surface of cavity plate is contacted with 3 top of gripping block, two inclined wedges 18 block respectively
Between the slot bottom of corresponding vertical slot 19 and the lateral surface of corresponding gripping block 3, and make to stay between gripping block 3 outside the cell wall of vertical slot 19
There is gap 20.
For ease of enabling two gripping blocks to automatically revert to initial position after a work pieces process, in the gripping block
Concentric blind hole is machined among proximal surface, reset spring is installed between the bottom hole of two concentric blind holes.
Vertical hole is machined with the fixed block 10,9 front end of plug penetrates vertical hole from the rear side of fixed block 10 and is processed successively
In flat tube 4.
To adapt to the processing needs that different length is processed flat tube 4, being processed between two gripping blocks 3 and fixed block 10
Adjustment block 16 is cased with flat tube 4.
For ease of being connected with lathe, bottom plate 1 is connected with below U-shaped seat 2.
During work, first pass through the controller separately set and start press 6 and hold out against cylinder 15, press 6 is increased and drive cavity plate 7
Depart from gripping block 3, and processed flat tube 4 be sleeved on plug 9, and make the punching that is processed on 4 upside arcwall of flat tube with it is recessed
Die orifice hole 5 on mould 7 is corresponding.Then, restart press 6 and drive cavity plate 7 to decline, until making cavity plate 7 be pressed on gripping block 3
On.Afterwards, start and hold out against cylinder 15, drive mandril 14 to be outwards reduced into pearl seat 13 into after the hole of bead 11 by holding out against cylinder 15,
And steel ball 12 is put into the hole of bead 11.And then start and hold out against cylinder 15, make its piston rod drive mandril 14 inwardly to stretch out simultaneously
The steel ball 12 that will enter in plug 9 push up vertical hole 91 to plug 9, until make steel ball 12 by the vertical hole 91 of plug 9 and by
After processing the punching on 4 upper side wall of flat tube, finally ejected at the die orifice hole 5 on cavity plate 7.So as to by the upside of processed flat tube 4
Punching processing on wall is into the hole flanging with outward flanging.
Claims (6)
1. thin-wall pipe radial hole flange body, it is characterised in that including U-shaped seat, there is two gripping blocks, two gripping blocks in U-shaped seat
Top proximal surface on have longitudinal fluting, by two longitudinal flutings form accommodate flat tube flat groove；Pressing clip is useful in U-shaped seat
The cavity plate of tight block, cavity plate top are connected with the first press；There is longitudinal shallow slot in the centre of cavity plate lower surface, the slot bottom of longitudinal shallow slot and flat
The slot bottom of groove is arc, and the flat hole being adapted to flat tube is formed by longitudinal shallow slot and flat groove, when work be processed flat tube be placed in it is flat
In hole, there is punching on flat tube upper side, there is die orifice hole on the cavity plate opposite with punching；Fixed block is connected with behind U-shaped seat, two clamp
There is plug between block and fixed block, plug rear end is fixed in fixed block, and plug front end is penetrated in the processed flat tube in flat groove；With
There is vertical hole on the upside of the corresponding plug in die orifice hole, there is first longitudinal direction hole, and vertical hole in the plug between vertical hole and plug rear end
Excessive in streamlined circular arc between first longitudinal direction hole, the diameter in vertical hole and first longitudinal direction hole is equal, and vertical hole or first vertical
To twice of the diameter difference in hole and die orifice hole≤processed flat tube thickness；Be connected with behind fixed block into pearl seat, into pearl seat on have with
The second longitudinal direction hole of first longitudinal direction hole connection；Into pearl seat above have communicated with second longitudinal direction hole into the hole of bead, into the hole of bead and cavity plate
Die orifice orifice part between have steel ball runner；There is slide cartridge below into pearl seat, the slide cartridge is in be vertically arranged, corresponding with first longitudinal direction hole
Slide cartridge barrel on have a through hole, and the bore of the through hole is more than the diameter in first longitudinal direction hole；There are mandril, through hole in first longitudinal direction hole
Inside there is cross slider, cross slider is connected with the neighboring terminal of mandril；The cross slider is column, its one end not being connected with mandril has first
Inclined-plane；There is punch in slide cartridge on first inclined-plane, there is the second inclined-plane coordinated with the first inclined-plane in punch lower end, and punch upper end connects
There is the second press.
2. thin-wall pipe radial hole flange body according to claim 1, it is characterised in that on the inside of two vertical parts of U-shaped seat
There is vertical slot on face, have inclined wedge in the cavity plate lower surface relative position opposite with two vertical slots, when cavity plate is contacted with gripping block,
Inclined wedge is stuck between the slot bottom of vertical slot and the lateral surface of corresponding gripping block, and makes to leave between gripping block outside the cell wall of vertical slot
Gap.
3. thin-wall pipe radial hole flange body according to claim 1, it is characterised in that in the proximal surface of the gripping block
Between have concentric blind hole, have reset spring between the bottom hole of two concentric blind holes.
4. the thin-wall pipe radial hole flange body according to any one of claim 1 ~ 3, it is characterised in that two clampings
Adjustment block is cased with flat tube between block and fixed block.
5. the thin-wall pipe radial hole flange body according to any one of claim 1 ~ 3, it is characterised in that below U-shaped seat
It is connected with bottom plate.
6. thin-wall pipe radial hole flange body according to claim 4, it is characterised in that bottom plate is connected with below U-shaped seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711042431.4A CN107900173A (en) | 2017-10-31 | 2017-10-31 | Thin-wall pipe radial hole flange body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711042431.4A CN107900173A (en) | 2017-10-31 | 2017-10-31 | Thin-wall pipe radial hole flange body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107900173A true CN107900173A (en) | 2018-04-13 |
Family
ID=61842212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711042431.4A Pending CN107900173A (en) | 2017-10-31 | 2017-10-31 | Thin-wall pipe radial hole flange body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107900173A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109290446A (en) * | 2018-09-25 | 2019-02-01 | 珠海格力精密模具有限公司 | A kind of hole flanging mold structure and process for stamping |
| CN110125236A (en) * | 2019-05-28 | 2019-08-16 | 芜湖众力底盘系统有限公司 | A kind of side blow isocentric circular arc mold of automotive seat end socket of pipe fitting |
| CN110814135A (en) * | 2019-12-09 | 2020-02-21 | 安徽中巨智能科技有限公司 | Pipe side opening drawing device |
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| DE401475C (en) * | 1922-03-19 | 1924-09-04 | Hymmen Theodor | Device for the production of nozzles from the full wall of hollow bodies |
| FR1217174A (en) * | 1958-12-02 | 1960-05-02 | Method and devices for manufacturing tubing in a thin tube | |
| JPH08197151A (en) * | 1995-01-26 | 1996-08-06 | Daito:Kk | Burring method and jig used in burring and device for burring |
| DE102004028078A1 (en) * | 2004-06-09 | 2006-01-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Production of a collar section around an opening on a surface of a workpiece comprises applying a fluid to a molding element to press the molding element partially through the opening and deforming the workpiece |
| CN101837402A (en) * | 2010-05-19 | 2010-09-22 | 昆山市三众模具制造有限公司 | Automobile shift lever die cutting die |
| CN201969773U (en) * | 2011-01-26 | 2011-09-14 | 成都万荣科技有限责任公司 | Single-hole vertical punching die for tube |
| CN104841722A (en) * | 2015-04-20 | 2015-08-19 | 张中平 | Production method of pipeline connecting piece and pipeline connecting piece made by method |
| CN204867111U (en) * | 2015-08-20 | 2015-12-16 | 成都市鸿侠科技有限责任公司 | Thin wall spare side opening turn -ups forming die |
| CN207823664U (en) * | 2017-10-31 | 2018-09-07 | 无锡惠汕金属制品有限公司 | Thin-wall pipe radial hole flange body |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE401475C (en) * | 1922-03-19 | 1924-09-04 | Hymmen Theodor | Device for the production of nozzles from the full wall of hollow bodies |
| FR1217174A (en) * | 1958-12-02 | 1960-05-02 | Method and devices for manufacturing tubing in a thin tube | |
| JPH08197151A (en) * | 1995-01-26 | 1996-08-06 | Daito:Kk | Burring method and jig used in burring and device for burring |
| DE102004028078A1 (en) * | 2004-06-09 | 2006-01-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Production of a collar section around an opening on a surface of a workpiece comprises applying a fluid to a molding element to press the molding element partially through the opening and deforming the workpiece |
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| CN204867111U (en) * | 2015-08-20 | 2015-12-16 | 成都市鸿侠科技有限责任公司 | Thin wall spare side opening turn -ups forming die |
| CN207823664U (en) * | 2017-10-31 | 2018-09-07 | 无锡惠汕金属制品有限公司 | Thin-wall pipe radial hole flange body |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109290446A (en) * | 2018-09-25 | 2019-02-01 | 珠海格力精密模具有限公司 | A kind of hole flanging mold structure and process for stamping |
| CN110125236A (en) * | 2019-05-28 | 2019-08-16 | 芜湖众力底盘系统有限公司 | A kind of side blow isocentric circular arc mold of automotive seat end socket of pipe fitting |
| CN110125236B (en) * | 2019-05-28 | 2024-04-05 | 芜湖众力底盘系统有限公司 | One-time side punching concentric circular arc die for end head of automobile seat pipe fitting |
| CN110814135A (en) * | 2019-12-09 | 2020-02-21 | 安徽中巨智能科技有限公司 | Pipe side opening drawing device |
| CN110814135B (en) * | 2019-12-09 | 2021-04-09 | 安徽中巨智能科技有限公司 | Pipe side opening drawing device |
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Application publication date: 20180413 |