CN207823663U - Hole-flanging device among oblate pipe - Google Patents
Hole-flanging device among oblate pipe Download PDFInfo
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- CN207823663U CN207823663U CN201721422706.2U CN201721422706U CN207823663U CN 207823663 U CN207823663 U CN 207823663U CN 201721422706 U CN201721422706 U CN 201721422706U CN 207823663 U CN207823663 U CN 207823663U
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Abstract
The utility model is related to hole-flanging devices among a kind of oblate pipe.Its main feature is that including U-shaped seat and two gripping blocks, there is longitudinal fluting on two gripping block top proximal surfaces.There is cavity plate in U-shaped seat, has press above cavity plate.The centre of cavity plate lower surface has longitudinal shallow slot, processed flat tube to be placed in flat hole.There is punching on flat tube upper side, there is die orifice hole on the cavity plate opposite with punching.There is fixed block behind U-shaped seat, there is plug, plug front end to penetrate in flat tube between two gripping blocks and fixed block.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, into pearl seat on have second longitudinal direction hole.Have into the hole of bead above into pearl seat, has steel ball runner between the hole of bead and the die orifice orifice part of cavity plate.There are mandril, mandril outer end to be connected with cylinder in first longitudinal direction hole.Hole flanging is processed using this device, production cost and rejection rate can be reduced.
Description
Technical field
The utility model is related to a kind of molds.Specifically, be for by the punching processing on the upper wall of small-bore flat tube at
The molding die of hole flanging.It is particularly suitable on the fuel gas inlet interface flat tube upper wall of the gas-cooker in caravan etc small space
Hole flanging processing.
Background technology
It is both known about in caravan production industry, the gas-cooker for cooking for occupant is fitted in caravan.Due to caravan
Interior space is smaller, and the bore of the pipe fitting --- -- flat tube for being used for installing gas inlet valve on gas-cooker is also very small.Wherein
Flat tube contain there are two the tube wall that is mutually parallel and two arc tube walls positioned opposite, process and be used as on one arc tube wall
The hole flanging of air inlet when 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 realizes hole flanging to form the outward flanging with certain altitude in the surrounding edge in drilled hole
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 seriously affect the quality and yield rate of hole flanging while Zinc coat is destroyed.For this purpose,
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 hot with taper
Molten bit bore.Service life to extend flat tube also needs to plate the corresponding site of flat tube again in hole flanging process finishing
Zinc.It can be seen 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 formed by that flange height is low to process hole flanging, and the screw thread lines of the tapping in a lower height of flange is short, it is difficult to meet
The installation of valve needs.Due to processing hole flanging using hot melting drill head, it is formed by flange thickness and is difficult to control so that flange is thick
Spend relatively thin, not only intensity is low, but also flange is easily broken when tapping, high rejection rate.
Utility model content
Problem to be solved in the utility model is to provide a kind of oblate pipe centre hole-flanging device.Using this device come small
Hole flanging is processed on bore flat tube, not only step is few, simple for process, 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 above problem to be solved in the utility model is realized by following technical scheme：
Among the oblate pipe of the utility model hole-flanging device feature be include U-shaped seat, in U-shaped seat there are two gripping block, two
There is longitudinal fluting on the top proximal surface of gripping block, the flat slot for accommodating flat tube is made of two longitudinal flutings.It is useful in U-shaped seat
The cavity plate of gripping block is compressed, press is connected with above cavity plate；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 slot is arc, and the flat hole being adapted to flat tube is constituted by longitudinal shallow slot and flat slot, 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 are plug, plug rear end to be fixed in fixed block between block and fixed block, plug front end penetrates in the processed flat tube in flat slot.
There is vertical hole on the upside of plug corresponding with die orifice hole, has first longitudinal direction hole in the plug between vertical hole and plug rear end, and vertical
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 being connected to 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 are mandril, mandril outer end to be connected with cylinder in first longitudinal direction hole.
Further improvement of the utility model scheme is that have vertical slot on two vertical part medial surfaces of U-shaped seat, perpendicular with two
Have inclined wedge in the opposite cavity plate lower surface relative position of slot, when cavity plate is contacted with gripping block, inclined wedge be stuck in the slot bottom of vertical slot with
Between the lateral surface of corresponding gripping block, and make outside the cell wall of vertical slot there are gaps between gripping block.
Further improvement of the utility model scheme is that have concentric blind hole among the proximal surface of the gripping block, and two with one heart
There is reset spring between the bottom hole of blind hole.
Further improvement of the utility model scheme is to be cased with adjustment block on two flat tubes between gripping block and fixed block.
Further improvement of the utility model scheme is that bottom plate is connected with below U-shaped seat.
As can be seen from the above scheme, since the utility model contains U-shaped seat, U-shaped seat is interior, and there are two gripping blocks, two to clamp
There is longitudinal fluting on the top proximal surface of block, the flat slot 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 press.There are longitudinal shallow slot, the slot bottom of longitudinal shallow slot and flat slot in the centre of cavity plate lower surface
Slot bottom be arc, the flat hole being adapted to flat tube is constituted by longitudinal shallow slot and flat slot, 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 are plug, plug rear end to be fixed in fixed block between fixed block, plug front end penetrates in the processed flat tube in flat slot.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 are mandril, mandril outer end to be connected with cylinder in first longitudinal direction hole.
When work, it will be indulged into first longitudinal direction hole, vertical hole is passed sequentially through into the steel ball in the hole of bead with first using mandril
To between hole streamlined circular arc transition zone and vertical hole, so that 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 the background art, step is few, simple for process, and production cost is low.Again due to the utility model
It will be entered into the steel ball in the hole of bead using mandril and pass sequentially through the circle of the streamlined between first longitudinal direction hole, vertical hole and first longitudinal direction hole
Arc transition zone and vertical hole, finally make steel ball be ejected out of vertical hole, and the ecto-entad for becoming traditional is processed as processing from inside to outside,
The equipment such as taper hot melting drill head are not required to, flange height height is formed by, the screw thread lines of the tapping in higher-height flange is long,
The installation needs of valve can be met.Process hole flanging due to not having to hot melting drill head, be formed by flange thickness substantially be processed
The pipe thickness of flat tube is identical, and thickness is thicker, and intensity is higher.And due to the tube wall for being formed by flange thickness and processed flat tube
The case where thickness is essentially identical, and flange is easily broken when avoiding tapping, thus greatly reduces rejection rate.
Description of the drawings
Fig. 1 is hole-flanging device schematic diagram among the oblate pipe of the utility model；
Fig. 2 is the left view schematic diagram of Fig. 1.
Specific implementation mode
As depicted in figs. 1 and 2, hole-flanging device contains U-shaped seat 2 among the oblate pipe of the utility model, is arranged in U-shaped seat 2
There are two gripping block 3, it is machined with longitudinal fluting on the top proximal surface of two gripping blocks 3, is docked by the notch of two longitudinal flutings
A flat slot that can accommodate processed flat tube 4 is constituted afterwards.The cavity plate 7 for compressing gripping block 3 is provided in U-shaped seat 2, it is described recessed
Mould 7 is plate, and top is provided with press 6.The press 6 be pressurized cylinder, the piston rod of pressurized cylinder downward and with cavity plate 7
It 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, longitudinal
The slot bottom of the slot bottom of shallow slot and flat slot is arc, and the flat hole being adapted to flat tube is constituted by longitudinal shallow slot and flat slot.When work, quilt
Processing flat tube 4 is placed in flat hole.It is processed on 4 upper side of flat tube and punching has been pre-machined, processed on the cavity plate 7 opposite with punching
There is die orifice hole 5.
It is connected with fixed block 10 behind U-shaped seat 2, 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 penetrates in the processed flat tube 4 in flat slot.9 upside processing of plug corresponding with die orifice hole 5
There is vertical hole 91, first longitudinal direction hole is machined in the plug 9 between 9 rear end of vertical hole 91 and plug, 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≤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.It is provided with behind fixed block 10 into pearl seat 13, should be block into pearl seat
Shape links together by bolt and fixed block 10.Be machined on into pearl seat 13 it is coaxial with first longitudinal direction hole and be connected to 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 automatic of the utility model
Change degree is provided with steel ball channel 21 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 so that from
The steel ball 12 that die orifice hole 5 comes out can flow to automatically on pearl seat 13 into the hole of bead 11.
It is furnished with mandril 14 in first longitudinal direction hole, 14 outer end of mandril, which is connected with, holds out against cylinder 15.
Wherein, it is machined with vertical slot 19 on 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 in 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 and the lateral surface of corresponding gripping block 3 of corresponding vertical slot 19, 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
It is machined with concentric blind hole among proximal surface, reset spring is installed between the bottom hole of two concentric blind holes.
Vertical hole is machined on the fixed block 10,9 front end of plug penetrates vertical hole from 10 rear side of fixed block and is processed successively
In flat tube 4.
To improve the degree of automation of the utility model, cavity plate 75 oral area of die orifice hole with into pearl seat 13 into the hole of bead 11
Steel ball channel is provided between oral area so that the steel ball 12 come out from die orifice hole 5 can flow to automatically on pearl seat 13 into the hole of bead 11
It is interior.
The processing that flat tube 4 is processed to adapt to different length needs, being processed between two gripping blocks 3 and fixed block 10
Adjustment block 16 is cased on flat tube 4.
For ease of being connect with lathe, bottom plate 1 is connected with below U-shaped seat 2.
When work, first passes through the controller separately set and start press 6 and hold out against cylinder 15, press 6 is made to increase and drive cavity plate 7
Be detached from gripping block 3, and processed flat tube 4 be sleeved on plug 9, and make the punching being 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 cavity plate 7 is driven to decline, until cavity plate 7 is made to be pressed on gripping block 3
On.Later, start and hold out against cylinder 15, drive mandril 14 to be reduced to outward 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 that mandril 14 be driven inwardly to stretch out simultaneously
Will enter plug 9 in steel ball 12 push up the 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 from the die orifice hole 5 on cavity plate 7.Thus will 4 upside of processed flat tube
Punching processing on wall is at 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 are two gripping block in U-shaped seat, two gripping blocks it is upper
There is longitudinal fluting on portion's proximal surface, the flat slot for accommodating flat tube is made of two longitudinal flutings；It is useful for compressing gripping block in U-shaped seat
Cavity plate, be connected with press above cavity plate；There are longitudinal shallow slot, the slot bottom of the slot bottom of longitudinal shallow slot and flat slot in the centre of cavity plate lower surface
It is arc, the flat hole being adapted to flat tube is constituted by longitudinal shallow slot and flat slot, when work is processed flat tube and is placed in flat hole, flat tube
There is punching on upper side, there is die orifice hole on the cavity plate opposite with punching；Fixed block, two gripping blocks and fixation are connected with behind U-shaped seat
There are plug, plug rear end to be fixed in fixed block between block, plug front end penetrates in the processed flat tube in flat slot；With die orifice hole phase
There is vertical hole on the upside of the plug answered, has first longitudinal direction hole in the plug between vertical hole and plug rear end, and vertical hole is indulged with first
Streamlined circular arc is excessive, and the diameter in vertical hole and first longitudinal direction hole is equal to being between hole, and vertical hole or first longitudinal direction hole and mould
Twice of the diameter difference of oral pore≤processed flat tube thickness；Be connected with behind fixed block into pearl seat, into pearl seat on have and first longitudinal direction
The second longitudinal direction hole of hole connection；Into pearl seat above have communicated with second longitudinal direction hole into the hole of bead, into the die orifice hole in the hole of bead and cavity plate
There is steel ball runner between oral area；There are mandril, mandril outer end to be connected with cylinder in first longitudinal direction hole.
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, there is 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
Be stuck between the slot bottom of vertical slot and the lateral surface of corresponding gripping block, and make outside the cell wall of vertical slot between gripping block there are
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, has reset spring between the bottom hole of two concentric blind holes.
4. according to hole-flanging device among oblate pipe as claimed in any one of claims 1 to 3, it is characterised in that two gripping blocks with
It is cased with adjustment block on flat tube between fixed block.
5. according to hole-flanging device among oblate pipe as claimed in any one of claims 1 to 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 be connected with bottom plate below U-shaped seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721422706.2U CN207823663U (en) | 2017-10-31 | 2017-10-31 | Hole-flanging device among oblate pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721422706.2U CN207823663U (en) | 2017-10-31 | 2017-10-31 | Hole-flanging device among oblate pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207823663U true CN207823663U (en) | 2018-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721422706.2U Active CN207823663U (en) | 2017-10-31 | 2017-10-31 | Hole-flanging device among oblate pipe |
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| CN (1) | CN207823663U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803420A (en) * | 2017-10-31 | 2018-03-16 | 无锡惠汕金属制品有限公司 | Hole-flanging device among oblate pipe |
-
2017
- 2017-10-31 CN CN201721422706.2U patent/CN207823663U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803420A (en) * | 2017-10-31 | 2018-03-16 | 无锡惠汕金属制品有限公司 | Hole-flanging device among oblate pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.390 Xilu Road, Qianqiao street, Huishan District, Wuxi City, Jiangsu Province Patentee after: Jiangsu Huishan New Energy Group Co.,Ltd. Address before: No.390 Xilu Road, Qianqiao street, Huishan District, Wuxi City, Jiangsu Province Patentee before: WUXI HUISHAN METAL PRODUCTS CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |