CN203917555U - A kind of three-way pipe hydraulic forming device - Google Patents
A kind of three-way pipe hydraulic forming device Download PDFInfo
- Publication number
- CN203917555U CN203917555U CN201420362844.6U CN201420362844U CN203917555U CN 203917555 U CN203917555 U CN 203917555U CN 201420362844 U CN201420362844 U CN 201420362844U CN 203917555 U CN203917555 U CN 203917555U
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- die cavity
- supervisor
- forming device
- mold half
- way pipe
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Abstract
The utility model proposes a kind of three-way pipe hydraulic forming device, comprise that upper mold half and lower mold half and both coordinate the formation supervisor die cavity corresponding with tubular blank, in described lower mold half, arrange with supervisor's die cavity and be connected and form the arm die cavity of pipe die cavity, the two ends of supervisor's die cavity arrange respectively the side cylinder and the push rod thereof that are connected in pushing machine; It is characterized in that: two described push rods respectively with supervisor's die cavity matched in clearance and form lubrication gap between the two, the liquid injection hole that is connected in topping-up pump and pipe inner chamber is set in one of them described push rod, and described liquid injection hole setting is communicated in the lubricated through hole of lubrication gap; Described supervisor's die cavity two ends are provided for the sealing device in seal lubrication gap.The utility model can provide a kind of three-way pipe hydraulic forming device, can reduce tubular blank and add frictional force between man-hour and pipe die cavity, thereby be beneficial to the problem of tubular blank plastic deformation; The utlity model has advantage simple in structure simultaneously.
Description
Technical field
The utility model relates to a kind of three-way pipe hydraulic forming device field, relates in particular to the improvement of the mould of this hydraulic forming device.
Background technology
Swollen type pipe and many siphunculus generally by internal high pressure forming technique, tubular blank are applied to axial force simultaneously and internal hydraulic pressure load makes it that plastic deformation occur, and the process of final pad pasting shaping; In the process of processing, generally by hydroforming equipment, tubular blank is processed, with respect to three-way pipe, its hydroforming equipment generally comprises upper mold half and coordinates formation supervisor die cavity with lower mold half and both, in lower mold half, arrange with supervisor's die cavity and be connected and form the arm die cavity of pipe die cavity, the two ends of supervisor's die cavity arrange respectively the side cylinder and the push rod thereof that are connected in synchronous pushing machine, the liquid injection hole that is connected in topping-up pump is set in push rod, and the bottom of arm die cavity arranges and ejects cylinder and retainer bar thereof.
Generally adding man-hour, first tubular blank is placed in lower mold half, then left and right two push rods synchronously promote, when push rod contacts realization sealing with tubular blank, upper mold half presses down, and carries out locked mode, then carries out slowly synchronous promotion of fluid injection and two push rods, apply axial force and internal hydraulic pressure load simultaneously, make tubular blank internal pressure reach steady state value; Tubular blank can be close to pipe die cavity, is finally filled in arm die cavity inside, forms three-way pipe.
But in forming high pressure in pipe, no matter be initial product design or technological parameter afterwards, all will take into full account the impact of frictional force, the shaping of friction factor to the axial shrinkage amount in tubular blank plastic deformation, crimp district and the wall thickness uniformity of formed product have a great impact.Frictional force is larger, and the axial force needing is also just larger, is unfavorable for the shaping in crimp district simultaneously, finally causes the in uneven thickness of overall tubing, and the thickness of general forming tube is greater than the thickness of arm.Moreover, reduce the lubricated environment of frictional force transformation and can also reduce the wearing and tearing to mould, increase the service life, avoid pipe surface to occur cut, affect its surface quality.
Utility model content
The utility model object is to provide a kind of three-way pipe hydraulic forming device, can reduce tubular blank and add frictional force between man-hour and pipe die cavity, thereby be beneficial to the problem of tubular blank plastic deformation; The utlity model has advantage simple in structure simultaneously.
For above problem, provide following technical scheme: a kind of three-way pipe hydraulic forming device, comprise that upper mold half and lower mold half and both coordinate the formation supervisor die cavity corresponding with tubular blank, in described lower mold half, arrange with supervisor's die cavity and be connected and form the arm die cavity of pipe die cavity, the two ends of supervisor's die cavity arrange respectively the side cylinder and the push rod thereof that are connected in pushing machine; It is characterized in that: two described push rods respectively with supervisor's die cavity matched in clearance and form lubrication gap between the two, the liquid injection hole that is connected in topping-up pump and pipe inner chamber is set in one of them described push rod, and described liquid injection hole setting is communicated in the lubricated through hole of lubrication gap; Described supervisor's die cavity two ends are provided for the sealing device in seal lubrication gap.
Adopt said structure, tubular blank is being added to man-hour, apply axial force and increase internal hydraulic pressure load by the liquid feeding of liquid injection hole by the push rod of synchronous extruding, because tubular blank is matched in clearance with supervisor's die cavity, in meeting the inner forming pressure of tubular blank, part fluid injection medium can flow into lubrication gap through lubricated through hole, because lubrication gap is sealing state at supervisor die cavity two ends, the in the situation that of high pressure, fluid injection medium can be filled between tubular blank and supervisor's die cavity and realize lubricating in extrusion process used for forming, simultaneously because arm die cavity is relative non-tight state, for the minimizing friction between the two of can flowing through between arm and arm die cavity of lubricated fluid injection medium, be conducive to realize the shaping of arm.
The utility model is also further set to, and the liquid injection hole that is connected in topping-up pump and pipe inner chamber is set respectively in two described push rods, and corresponding liquid injection hole arranges respectively the lubricated through hole that is communicated in lubrication gap.
Adopt said structure, be convenient to the lubricated filling of fluid injection medium, can realize lubricated efficiently.
The utility model is also further set to, and described upper mold half is electromagnet device, and described electromagnet device is realized the demoulding by the magnetic-adsorption that moulding pipe is carried out to controllable type.
Adopt said structure, can directly omit in prior art, be positioned at lower mold half bottom corresponding with arm die cavity eject cylinder and retainer bar thereof, after completing the processing of tubular blank, the electromagnet device energising of upper mold half, moulding pipe is by upper mold half magnetic absorption, complete the demoulding of arm and the arm die cavity of moulding pipe, with respect to the cylinder that ejects of prior art, its structure is simpler.
The utility model is also further set to, and described sealing device comprises side cylinder and the supervisor soft sealed base between die cavity end and be positioned at the sealing shroud of outer end, lubrication gap, and described soft sealed base and sealing shroud are wholely set.
Adopt said structure, can meet the sealing to seal clearance, be used in lubricated fluid injection medium and flow out from arm die cavity, be convenient to the lubricated of arm and arm die cavity.
The utility model is also further set to, and the described fluid injection medium corresponding with topping-up pump and liquid injection hole is emulsion.
Adopt said structure, emulsion can be convenient to can coordinate on the one hand topping-up pump to tubular blank inside liquid feeding to increase internal hydraulic pressure load, can realize on the other hand lubrication.
The utility model is also further set to, and described electromagnet device is electromagnet.
Adopt said structure, upper mold half can be carried out the demoulding to moulding pipe easily.
The utility model is also further set to, and described arm die cavity bottom is provided for collecting the reservoir of emulsion.
Adopt said structure, flow into reservoir for lubricated emulsion through arm die cavity, be convenient to its cycling and reutilization.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model extrusion equipment;
Fig. 2 is that the utility model is through extruding aftershaping pipe and device structure schematic diagram.
Number in the figure implication: 1-upper mold half; 2-lower mold half; 3-side cylinder; 4-push rod; 41-liquid injection hole; 42-lubricates through hole; 5-sealing device; 51-wedge-type seal cover; The soft sealed base of 52-; 6-is responsible for die cavity; 61-arm die cavity; 7-moulding pipe; 71-arm; 8-lubrication gap; 9-reservoir.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1 and Figure 2, a kind of three-way pipe hydraulic forming device, comprise that upper mold half 1 and lower mold half 2 and both coordinate the formation supervisor die cavity 6 corresponding with tubular blank, in described lower mold half 2, arrange with supervisor's die cavity 6 and be connected and form the arm die cavity 61 of pipe die cavity, the two ends of supervisor's die cavity 6 arrange respectively the side cylinder 3 and the push rod 4 thereof that are connected in pushing machine; Two push rods 4 are respectively with supervisor's die cavity 6 matched in clearance and form lubrication gap 8 between the two, the interior liquid injection hole 41 that is connected in topping-up pump (omitting in accompanying drawing) and pipe inner chamber that arranges respectively of two described push rods 4, corresponding liquid injection hole 41 arranges respectively the lubricated through hole 42 that is communicated in lubrication gap 8; Described supervisor's die cavity 6 two ends are provided for the sealing device 5 in seal lubrication gap 8.Adopt said structure, tubular blank is being added to man-hour, apply axial force and increase internal hydraulic pressure load by the liquid feeding of liquid injection hole 41 by the push rod 4 of synchronous extruding, because tubular blank is matched in clearance with supervisor's die cavity 6, in meeting the inner forming pressure of tubular blank, part fluid injection medium can flow into lubrication gap 8 through lubricated through hole 42, because lubrication gap 8 is sealing state at supervisor die cavity 6 two ends, the in the situation that of high pressure, fluid injection medium can be filled between tubular blank and supervisor's die cavity 6 and realize lubricating in extrusion process used for forming, simultaneously because arm die cavity 61 is relative non-tight state, for the minimizing friction between the two of can flowing through between arm 71 and arm die cavity 61 of lubricated fluid injection medium, be conducive to realize the shaping of arm 71, two push rods 4 arrange corresponding liquid injection hole 41 and lubricated through hole 42 simultaneously, are convenient to the lubricated filling of fluid injection medium, can realize lubricated efficiently.
In order to simplify the structure of whole equipment, upper mold half 1 is set to electromagnet device, described electromagnet device is realized the demoulding by the magnetic-adsorption that moulding pipe 7 is carried out to controllable type, in the present embodiment, electromagnet device refers to electromagnet, and the upper mold half 1 corresponding with supervisor's die cavity 6 is the magnetic pole that electromagnet is corresponding.Can directly omit in prior art, be positioned at lower mold half 2 bottoms corresponding with arm die cavity 61 eject cylinder and retainer bar thereof, after completing the processing of tubular blank, the electromagnet energising of upper mold half 1, moulding pipe 7 is by upper mold half 1 magnetic absorption, complete the demoulding of arm 71 with the arm die cavity 61 of moulding pipe 7, with respect to the cylinder that ejects of prior art, its structure is simpler.
In order to meet the sealing to seal clearance, the utility model is also further set to, described sealing device 5 comprises side cylinder 3 and the supervisor soft sealed base 52 between die cavity 6 ends and is positioned at 8 outer ends, lubrication gap and cross section is wedge-type seal cover 51, and described soft sealed base 52 is wholely set with wedge-type seal cover 51; Flow out from arm die cavity 61 for lubricated fluid injection medium, be convenient to the lubricated of arm and arm die cavity 61.
In the utility model embodiment, the fluid injection medium of indication is emulsion, emulsion can be convenient to can coordinate on the one hand topping-up pump to tubular blank inside liquid feeding to increase internal hydraulic pressure load, can realize on the other hand lubrication.
For the ease of recycling of emulsion, the utility model is also further set to, and described arm die cavity 61 bottoms are provided for collecting the reservoir 9 of emulsion, flows into reservoir 9 for lubricated emulsion through arm die cavity 61.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and modification, these of above-mentioned hypothesis improve and modification also should be considered as protection domain of the present utility model.
Claims (7)
1. a three-way pipe hydraulic forming device, comprise that upper mold half and lower mold half and both coordinate the formation supervisor die cavity corresponding with tubular blank, in described lower mold half, arrange with supervisor's die cavity and be connected and form the arm die cavity of pipe die cavity, the two ends of supervisor's die cavity arrange respectively the side cylinder and the push rod thereof that are connected in pushing machine; It is characterized in that: two described push rods respectively with supervisor's die cavity matched in clearance and form lubrication gap between the two, the liquid injection hole that is connected in topping-up pump and pipe inner chamber is set in one of them described push rod, and described liquid injection hole setting is communicated in the lubricated through hole of lubrication gap; Described supervisor's die cavity two ends are provided for the sealing device in seal lubrication gap.
2. a kind of three-way pipe hydraulic forming device according to claim 1, is characterized in that: the liquid injection hole that is connected in topping-up pump and pipe inner chamber is set respectively in two described push rods, and corresponding liquid injection hole arranges respectively the lubricated through hole that is communicated in lubrication gap.
3. a kind of three-way pipe hydraulic forming device according to claim 1 and 2, is characterized in that: described upper mold half is electromagnet device, described electromagnet device is realized the demoulding by the magnetic-adsorption that moulding pipe is carried out to controllable type.
4. a kind of three-way pipe hydraulic forming device according to claim 1 and 2, it is characterized in that: described sealing device comprises side cylinder and the supervisor sealed base between die cavity end and be positioned at the soft sealing shroud of outer end, lubrication gap, described sealed base and soft sealing shroud are wholely set.
5. a kind of three-way pipe hydraulic forming device according to claim 1 and 2, is characterized in that: the described fluid injection medium corresponding with topping-up pump and liquid injection hole is emulsion.
6. a kind of three-way pipe hydraulic forming device according to claim 3, is characterized in that: described electromagnet device is electromagnet.
7. a kind of three-way pipe hydraulic forming device according to claim 5, is characterized in that: described arm die cavity bottom is provided for collecting the reservoir of emulsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420362844.6U CN203917555U (en) | 2014-06-25 | 2014-06-25 | A kind of three-way pipe hydraulic forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420362844.6U CN203917555U (en) | 2014-06-25 | 2014-06-25 | A kind of three-way pipe hydraulic forming device |
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| Publication Number | Publication Date |
|---|---|
| CN203917555U true CN203917555U (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420362844.6U Withdrawn - After Issue CN203917555U (en) | 2014-06-25 | 2014-06-25 | A kind of three-way pipe hydraulic forming device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203917555U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104084469A (en) * | 2014-06-25 | 2014-10-08 | 温州蓝天管件阀门有限公司 | Tee pipe hydraulic molding device |
| CN104541613A (en) * | 2014-12-03 | 2015-04-29 | 宁波大叶园林设备有限公司 | Mini-tiller driven by engine provided with miniature propane fuel tank and tank extruding method |
| CN105251846A (en) * | 2015-06-19 | 2016-01-20 | 新昌县航达机械制造有限公司 | Rigid and plastic compound bulging forming die for large-caliber T-branch pipe |
| CN105268815A (en) * | 2015-06-19 | 2016-01-27 | 新昌县航达机械制造有限公司 | Tee-joint pipe rigid and plastic composite bulging forming die |
| CN105921588A (en) * | 2016-06-03 | 2016-09-07 | 广东工业大学 | Single-side feeding multi-branch-pipe inner high pressure forming method and device |
| CN107405671A (en) * | 2015-03-31 | 2017-11-28 | 住友重机械工业株式会社 | Shaped device |
-
2014
- 2014-06-25 CN CN201420362844.6U patent/CN203917555U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104084469A (en) * | 2014-06-25 | 2014-10-08 | 温州蓝天管件阀门有限公司 | Tee pipe hydraulic molding device |
| CN104084469B (en) * | 2014-06-25 | 2016-02-03 | 温州蓝天管件阀门有限公司 | A kind of three-way pipe hydraulic forming device |
| CN104541613A (en) * | 2014-12-03 | 2015-04-29 | 宁波大叶园林设备有限公司 | Mini-tiller driven by engine provided with miniature propane fuel tank and tank extruding method |
| CN107405671A (en) * | 2015-03-31 | 2017-11-28 | 住友重机械工业株式会社 | Shaped device |
| CN107405671B (en) * | 2015-03-31 | 2020-03-10 | 住友重机械工业株式会社 | Molding device |
| CN105251846A (en) * | 2015-06-19 | 2016-01-20 | 新昌县航达机械制造有限公司 | Rigid and plastic compound bulging forming die for large-caliber T-branch pipe |
| CN105268815A (en) * | 2015-06-19 | 2016-01-27 | 新昌县航达机械制造有限公司 | Tee-joint pipe rigid and plastic composite bulging forming die |
| CN105921588A (en) * | 2016-06-03 | 2016-09-07 | 广东工业大学 | Single-side feeding multi-branch-pipe inner high pressure forming method and device |
| CN105921588B (en) * | 2016-06-03 | 2018-10-19 | 广东工业大学 | A kind of unilateral feeding manifold inside high-pressure forming method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20160203 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |