CN107803420A - Hole-flanging device among oblate pipe - Google Patents
Hole-flanging device among oblate pipe Download PDFInfo
- Publication number
- CN107803420A CN107803420A CN201711043000.XA CN201711043000A CN107803420A CN 107803420 A CN107803420 A CN 107803420A CN 201711043000 A CN201711043000 A CN 201711043000A CN 107803420 A CN107803420 A CN 107803420A
- Authority
- CN
- China
- Prior art keywords
- hole
- cavity plate
- longitudinal direction
- plug
- flat tube
- 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
- 239000011324 bead Substances 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 238000004080 punching Methods 0.000 claims abstract description 15
- 210000002421 cell wall Anatomy 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000002950 deficient Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 11
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000010079 rubber tapping Methods 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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
Abstract
The present invention relates to hole-flanging device among a kind of oblate pipe.It is characterized in including U-shaped seat and two gripping blocks, has longitudinal fluting on two gripping block top proximal surfaces.There is cavity plate in U-shaped seat, have press above cavity plate.There is longitudinal shallow slot the centre of cavity plate lower surface, and processed flat tube is placed in flat hole.There is punching on flat tube upper side, there is die orifice hole on the cavity plate relative with punching.There is fixed block behind U-shaped seat, there is plug between two gripping blocks and fixed block, plug front end is penetrated in flat tube.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, it is excessive etc. in circular arc between vertical hole and first longitudinal direction hole.Have behind fixed block into pearl seat, enter on pearl seat to have second longitudinal direction hole.Entering above pearl seat has into the hole of bead, and entering between the die orifice orifice part of the hole of bead and cavity plate has steel ball runner.There is push rod in first longitudinal direction hole, push rod outer end is connected with cylinder.Hole flanging is processed using this device, production cost and percent defective 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
Mould.Turning on the fuel gas inlet interface flat tube upper wall for the gas-cooker being particularly suitable for use in caravan etc small space
Hole machined.
Background technology
Both known about in caravan production industry, the gas-cooker for being cooked for occupant is fitted with caravan.Due to caravan
Interior space is smaller, and the bore of pipe joint --- -- 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, internal thread is machined with hole flanging, in order to install air intake valve.Process the conventional method of hole flanging
It is to bore the taper bit of high-speed rotation using hot melt and flat tube mantle friction heat softens flat tube bore area, 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 formed
One outside thrust, so as to form the outward flanging with certain altitude in the surrounding edge in drilled hole, realize hole flanging
Processing.In order to anti-corrosion and it is attractive in appearance for the sake of, flat tube used generally all using galvanized pipe, 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, have a strong impact on the quality and yield rate of hole flanging.Therefore,
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.As can be seen here, hole flanging is processed 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 highly relatively low 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
Relatively thin, not only low intensity, and flange is easily broken during tapping is spent, percent defective is high.
The content of the invention
The problem to be solved in the present invention is to provide hole-flanging device among a kind of oblate pipe.Using this device come small-bore
Hole flanging is processed on flat tube, not only step is few, technique is simple, production cost is low, and the flange thickness of the hole flanging processed it is thicker,
Intensity is high, be not easy during tapping to break through, percent defective it is low.
The invention solves above mentioned problem realized by following technical scheme：
Hole-flanging device feature is to include U-shaped seat among the oblate pipe of the present invention, there is 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 up of two longitudinal flutings.Have in U-shaped seat tight for pressing clip
The cavity plate of block, cavity plate top are connected with press；There is the groove of longitudinal shallow slot, the bottom land of longitudinal shallow slot and flat groove the centre of cavity plate lower surface
Bottom is arc, and the flat hole being adapted to flat tube is formed by longitudinal shallow slot and flat groove, and being processed flat tube during work is placed in flat hole, flat
There is punching on pipe upper side, there is die orifice hole on the cavity plate relative with punching.Fixed block is connected with behind U-shaped seat, two gripping blocks are with consolidating
Determine have plug between block, plug rear end is fixed in fixed block, and plug front end is penetrated in the processed flat tube in flat groove.With die orifice hole
There is vertical hole on the upside of corresponding plug, there is first longitudinal direction hole, and vertical hole and first in the plug between vertical hole and plug rear end
Excessive in streamlined circular arc between longitudinal hole, the diameter in vertical hole and first longitudinal direction hole is equal, and vertical hole or first longitudinal direction hole with
Twice of the diameter difference in die orifice hole≤processed flat tube thickness；It is connected with behind fixed block into pearl seat, enters on pearl seat to have and indulged with first
The second longitudinal direction hole connected to hole.Enter above pearl seat to have and enter the hole of bead with what second longitudinal direction hole communicated, enter the die orifice of the hole of bead and cavity plate
There is steel ball runner between orifice part.There is push rod in first longitudinal direction hole, push rod outer end is connected with cylinder.
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 wedge, when cavity plate contacts with gripping block, wedge be stuck in the bottom land 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, because 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 up of two longitudinal flutings.Have in U-shaped seat tight for pressing clip
The cavity plate of block, cavity plate top are connected with press.There is the groove of longitudinal shallow slot, the bottom land of longitudinal shallow slot and flat groove the centre of cavity plate lower surface
Bottom is arc, and the flat hole being adapted to flat tube is formed by longitudinal shallow slot and flat groove, and being processed flat tube during work is placed in flat hole, flat
There is punching on pipe upper side, there is die orifice hole on the cavity plate relative with punching.Fixed block is connected with behind U-shaped seat, two gripping blocks are with consolidating
Determine have plug between block, plug rear end is fixed in fixed block, and plug front end is penetrated in the processed flat tube in flat groove.With die orifice hole
There is vertical hole on the upside of corresponding plug, there is first longitudinal direction hole, and vertical hole and first in the plug between vertical hole and plug rear end
Excessive in streamlined circular arc between longitudinal hole, the diameter in vertical hole and first longitudinal direction hole is equal, and vertical hole or first longitudinal direction hole with
Twice of the diameter difference in die orifice hole≤processed flat tube thickness；It is connected with behind fixed block into pearl seat, enters on pearl seat to have and indulged with first
The second longitudinal direction hole connected to hole.Enter above pearl seat to have and enter the hole of bead with what second longitudinal direction hole communicated, enter the die orifice of the hole of bead and cavity plate
There is steel ball runner between orifice part.There is push rod in first longitudinal direction hole, push rod outer end is connected with cylinder.
During work, the steel ball entered in the hole of bead is passed sequentially through into first longitudinal direction hole, vertical hole using push rod and indulged with first
To the streamlined circular arc transition zone between hole and vertical hole, steel ball is ejected out of vertical hole, only need a step, be achieved that flat
The flange processing of punching on pipe, compared with background technology, step is few, and technique is simple, and production cost is low.Again because the present invention utilizes
Push rod passes sequentially through the steel ball entered in the hole of bead the streamlined circular arc mistake between first longitudinal direction hole, vertical hole and first longitudinal direction hole
Area and vertical hole are spent, steel ball is ejected out of vertical hole, the ecto-entad for becoming traditional is processed as processing from inside to outside, is not required to
The equipment such as taper hot melting drill head, the flange height formed is high, the screw thread lines length of the tapping in highly higher flange, can be full
The installation of sufficient valve needs.Due to processing hole flanging without hot melting drill head, the flange thickness that is formed substantially with processed flat tube
Pipe thickness it is identical, thickness is thicker, and intensity is higher.Again by the flange thickness and the pipe thickness of processed flat tube that are formed
Essentially identical, the situation that flange is easily broken when avoiding tapping occurs, so as to greatly reduce percent defective.
Brief description of the drawings
Fig. 1 is hole-flanging device schematic diagram among the oblate pipe of the present invention；
Fig. 2 is Fig. 1 left view schematic diagram.
Embodiment
As depicted in figs. 1 and 2, hole-flanging device contains U-shaped seat 2 among oblate pipe of the invention, and two are provided with U-shaped seat 2
Individual gripping block 3, longitudinal fluting is machined with the top proximal surface of two gripping blocks 3, by structure after the notch docking of two longitudinal flutings
The flat groove that can accommodate processed flat tube 4 into one.The cavity plate 7 for compressing gripping block 3, the cavity plate 7 are provided with U-shaped seat 2
For tabular, its top is provided with press 6.The press 6 is pressurized cylinder, the piston rod of pressurized cylinder down and with the phase of cavity plate 7
Even, by the flexible of piston rod, to drive the flexible of cavity plate 7.The centre of the lower surface of cavity plate 7 is machined with longitudinal shallow slot, longitudinally shallow
The bottom land of the bottom land of groove and flat groove is arc, and the flat hole being adapted to flat tube is formed by longitudinal shallow slot and flat groove.During work, added
Work flat tube 4 is placed in flat hole.It is processed on the upper side of flat tube 4 and punching has been pre-machined, is machined with the cavity plate 7 relative with punching
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, the rear end of plug 9 is fixed
In fixed block 10, the front end of plug 9 is penetrated in the processed flat tube 4 in flat groove.The upside of plug 9 corresponding with die orifice hole 5 processes
There is vertical hole 91, first longitudinal direction hole is machined with the plug 9 between vertical hole 91 and the rear end of plug 9, and vertical hole 91 and first is vertical
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≤processed thickness of flat tube 4.In the present embodiment, vertical hole 91 or first longitudinal direction hole and mould
The diameter difference of oral pore 5 is be processed the thickness of flat tube 4 1.8 times.Fixed block 10 is provided with into pearl seat 13 below, and it is block that this, which enters pearl seat,
Shape, it links together by bolt and fixed block 10.Enter on pearl seat 13 be machined with it is coaxial with first longitudinal direction hole and connect
Two longitudinal holes.Enter pearl seat 13 above be machined with communicated with second longitudinal direction hole enter the hole of bead 11.To improve the automation journey of the present invention
Degree, cavity plate 7 the oral area of die orifice hole 5 and enter entering between the oral area of the hole of bead 11 for pearl seat 13 and be provided with steel ball passage 21 so that from die orifice
The steel ball 12 that hole 5 comes out can flow into entering in the hole of bead 11 on pearl seat 13 automatically.
It is furnished with push rod 14 in first longitudinal direction hole, the outer end of push rod 14, which is connected with, holds out against cylinder 15.
Wherein, vertical slot 19 is machined with two vertical part medial surfaces of U-shaped seat 2, the cavity plate 7 relative with two vertical slots 19
Wedge 18 is connected with the relative position of lower surface, when the lower surface of cavity plate 7 contacts with the top of gripping block 3, two wedges 18 block respectively
Between the bottom land 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 original 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, the front end of plug 9 penetrates vertical hole from the rear side of fixed block 10 and is processed successively
In flat tube 4.
To improve the automaticity of the present invention, cavity plate 7 the oral area of die orifice hole 5 and that enters pearl seat 13 enter the oral area of the hole of bead 11
Between be provided with steel ball passage so that from die orifice hole 5 come out steel ball 12 can flow to automatically into entering in the hole of bead 11 on pearl seat 13.
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 enclosed on plug 9, and make the punching that is processed on the upside arcwall of flat tube 4 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 hold out against cylinder 15, by hold out against cylinder 15 drive push rod 14 outwards be reduced into pearl seat 13 enter the hole of bead 11 after,
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 push rod 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 the upper side wall of flat tube 4, 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. hole-flanging device among oblate pipe, it is characterised in that including U-shaped seat, there is two gripping blocks in U-shaped seat, two gripping blocks it is upper
There is longitudinal fluting on portion's proximal surface, the flat groove for accommodating flat tube is made up of two longitudinal flutings；Have in U-shaped seat for the tight block of pressing clip
Cavity plate, be connected with press above cavity plate；There is the bottom land of longitudinal shallow slot, the bottom land of longitudinal shallow slot and flat groove the centre of cavity plate lower surface
It is arc, the flat hole being adapted to flat tube is formed by longitudinal shallow slot and flat groove, being processed flat tube during work is placed in flat hole, flat tube
There is punching on upper side, there is die orifice hole on the cavity plate relative with punching；Fixed block, two gripping blocks and fixation are connected with behind U-shaped seat
There is plug between block, plug rear end is fixed in fixed block, and plug front end is penetrated in the processed flat tube in flat groove；With die orifice hole phase
There is vertical hole on the upside of the plug answered, have first longitudinal direction hole in the plug between vertical hole and plug rear end, and vertical hole is indulged with first
To being in that streamlined circular arc is excessive, and the diameter in vertical hole and first longitudinal direction hole is equal between hole, and vertical hole or first longitudinal direction hole and mould
Twice of the diameter difference of oral pore≤processed flat tube thickness；It is connected with behind fixed block into pearl seat, enters on pearl seat to have and first longitudinal direction
The second longitudinal direction hole of hole connection；Enter above pearl seat to have and enter the hole of bead with what second longitudinal direction hole communicated, enter the hole of bead and the die orifice hole of cavity plate
There is steel ball runner between oral area；There is push rod in first longitudinal direction hole, push rod outer end is connected with cylinder.
2. hole-flanging device among oblate pipe according to claim 1, it is characterised in that on two vertical part medial surfaces of U-shaped seat
There is vertical slot, have wedge in the cavity plate lower surface relative position relative with two vertical slots, when cavity plate contacts with gripping block, wedge
It is stuck between the bottom land of vertical slot and the lateral surface of corresponding gripping block, and makes between being left outside the cell wall of vertical slot between gripping block
Gap.
3. hole-flanging device among oblate pipe according to claim 1, it is characterised in that among the proximal surface of the gripping block
There is concentric blind hole, have reset spring between the bottom hole of two concentric blind holes.
4. hole-flanging device among oblate pipe according to any one of claim 1 ~ 3, it is characterised in that two gripping blocks with
Adjustment block is cased with flat tube between fixed block.
5. hole-flanging device among the oblate pipe according to any one of claim 1 ~ 3, it is characterised in that be connected with below U-shaped seat
Bottom plate.
6. hole-flanging device among oblate pipe 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 |
|---|---|---|---|
| CN201711043000.XA CN107803420A (en) | 2017-10-31 | 2017-10-31 | Hole-flanging device among oblate pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711043000.XA CN107803420A (en) | 2017-10-31 | 2017-10-31 | Hole-flanging device among oblate pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107803420A true CN107803420A (en) | 2018-03-16 |
Family
ID=61590932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711043000.XA Pending CN107803420A (en) | 2017-10-31 | 2017-10-31 | Hole-flanging device among oblate pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107803420A (en) |
Citations (6)
| 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 |
| 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 |
| CN207823663U (en) * | 2017-10-31 | 2018-09-07 | 无锡惠汕金属制品有限公司 | Hole-flanging device among oblate pipe |
-
2017
- 2017-10-31 CN CN201711043000.XA patent/CN107803420A/en active Pending
Patent Citations (6)
| 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 |
| 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 |
| CN207823663U (en) * | 2017-10-31 | 2018-09-07 | 无锡惠汕金属制品有限公司 | Hole-flanging device among oblate pipe |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20180316 |