CN204108072U - The shaping drift of a kind of inner high voltage - Google Patents
The shaping drift of a kind of inner high voltage Download PDFInfo
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- CN204108072U CN204108072U CN201420591191.9U CN201420591191U CN204108072U CN 204108072 U CN204108072 U CN 204108072U CN 201420591191 U CN201420591191 U CN 201420591191U CN 204108072 U CN204108072 U CN 204108072U
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- high voltage
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Abstract
The utility model proposes a kind of good sealing effect, structure is comparatively simple, be beneficial to stablize shaping, be applicable to the shaping drift of inner high voltage that processed pipe fitting is inclined-plane by the end face of sealed end, it comprises body (1), described one end is divided into left and right two parts by planar annular (2), left-hand component is used for drift manhole appendix (3) matched in clearance with inner high voltage mold for forming, right-hand component comprises the end face (4) of described one end, right-hand component vertically right-to-left is sequentially guide section, cylindrical seal section (6) and cone seal section (7), cylindrical seal section (6) is for processed pipe fitting (12) interference fit shaping with inner high voltage, cone seal section (7) is adjacent to for being extruded by sealed end inclined-plane (8) with processed pipe fitting (12), described guide section right-to-left is sequentially the round-corner transition part (5.1) arranged between conical section (5.2) side and described end face (4), described conical section (5.2).
Description
Technical field
The utility model relates to inner high voltage shaped device technical field, is specifically the shaping drift of a kind of inner high voltage.
Background technology
Inner high voltage forming technique has years of researches, also there are many schemes patent application aspect, the such as patent application of application publication number CN 102764809 A, the utility patent of Authorization Notice No. CN 201659188 U, the patent application etc. of publication number CN 101011715 A, inner high voltage forming principle and advantage have done and have analyzed more fully by they, in these schemes, about the shaping drift of inner high voltage (being also often called the shaping plug of inner high voltage in industry), we roughly see three kinds of schemes, 1, a kind of gasket structure disclosed in the patent application of application publication number CN102764809 A, rely on sealing gasket sealing ring realization in other words sealing, sealing pad is general thicker, and in the later stage uses, need frequent replacing and maintenance, 2, it is the structure of the sealing ring that a kind of employing is obliquely installed disclosed in the utility patent of Authorization Notice No. CN 201659188 U, adopt material to be the material the same with drift body, structure is comparatively complicated, not easily process, 3, it is the structure that a kind of drift body end face is provided with cannelure disclosed in the patent application of publication number CN101011715 A, larger space is there is between processed pipe fitting sidewall and mould, do not support, the situation such as easy Instability wrinkling when there is shaping compensation, in addition, structure is comparatively complicated, not easily process, and above-mentioned several situation, there is the feature that common, that is exactly that processed pipe fitting is plane by the end face of sealed end, but not inclined-plane.
Utility model content
Technical problem to be solved in the utility model is, overcomes the defect of prior art, provide a kind of good sealing effect, structure comparatively simple, be beneficial to stablize shaping, be applicable to the shaping drift of inner high voltage that processed pipe fitting is inclined-plane by the end face of sealed end.
For solving the problems of the technologies described above, the utility model proposes the shaping drift of a kind of inner high voltage, it comprises body, body is provided with planar annular for the one end sealed, described one end is divided into left and right two parts by this planar annular, left-hand component is used for the drift manhole appendix matched in clearance with inner high voltage mold for forming, right-hand component comprises the end face of described one end, right-hand component vertically right-to-left is sequentially guide section, cylindrical seal section and cone seal section, cylindrical seal section is used for the processed pipe fitting interference fit shaping with inner high voltage, cone seal section is used for being extruded by sealed end inclined-plane with processed pipe fitting being adjacent to, described guide section right-to-left is sequentially the round-corner transition part arranged between conical section side and described end face, described conical section, seal section offers ring-shaped groove, in ring-shaped groove, sealing ring is set, gap is there is bottom sealing ring and ring-shaped groove, body interior offers the second runner being parallel to runner, and body left part is provided with the second connecting hole, and the second connecting hole is connected with independent pressure fluid organization of supply, this the second runner one end communicates with the second connecting hole, and the other end communicates with the gap bottom ring-shaped groove with sealing ring, utilizes this second connecting hole and the second runner can inject fluid in described gap.
After adopting said structure, compared with prior art, the utility model has the following advantages: the utility model realizes tentatively sealing by cylindrical seal section and the shaping processed pipe fitting interference fit of inner high voltage, ensure to seal to bear high pressure further for being extruded to be adjacent to by sealed end inclined-plane with processed pipe fitting in conjunction with cone seal section, arrange sealing ring can guarantee to seal completely, overall structure of the present invention is comparatively simple, also there is larger space without the need to making between processed pipe fitting sidewall and mould, processed pipe fitting sidewall and mould can be adjacent to mutually, the support of mould is obtained to make processed pipe fitting sidewall, be beneficial to stablize shaping, when if desired tube forming being compensated, as long as continue feeding to make planar annular, cylindrical seal section and cone seal section jointly extrude processed pipe fitting and are moved to promote processed pipe fitting flow of material by sealed end, be beneficial to stablize shaping, to sum up, the utility model has good sealing effect, structure is comparatively simple, be beneficial to stablize shaping, being applicable to processed pipe fitting by the end face of sealed end is the advantage on inclined-plane.
As improvement, the scope of the magnitude of interference of described interference fit is 0.3 millimeter to 0.5 millimeter, like this, not only good sealing effect, and feeding resistance is less.
As improvement, body is the cylinder adopting 42CrMo steel to make, 42CrMo steel belongs to unimach, there is high strength and toughness, quenching degree is also better, without obvious temper brittleness, has higher fatigue limit and anti-repeat impact ability after modifier treatment, low-temperature impact toughness is good, is more conducive to the raising in the application's reliability, service life.
As improvement, round-corner transition between described cone seal section and planar annular, like this, intensity is good, is beneficial to sealing, material flowing and shaping simultaneously.
Accompanying drawing explanation
Fig. 1 is the partial sectional view of the shaping drift of the utility model inner high voltage.
Fig. 2 is A zoomed-in view.
Fig. 3 is the partial sectional view that processed pipe fitting is arranged in inner high voltage shaping mould.
Fig. 4 is B zoomed-in view.
Fig. 5 is the broken section structural representation of the inner high voltage shaped device adopting the shaping drift of the utility model inner high voltage.
Fig. 6 is C zoomed-in view.
As shown in the figure: 1, body, 2, planar annular, 3, manhole appendix, 4, end face, 5.1, round-corner transition part, 5.2, conical section, 6, cylindrical seal section, 7, cone seal section, 8, by sealed end inclined-plane, 9, connecting hole, 10, runner, 11, driving mechanism link, 12, pipe fitting, 13, ring-shaped groove, 14, sealing ring, 15, the second runner, 16 second connecting holes.
Detailed description of the invention
Below the utility model is described in further detail:
The shaping drift of the utility model inner high voltage, it comprises body 1, body 1 is provided with planar annular 2 for the one end sealed, described one end is divided into left and right two parts by this planar annular 2, left-hand component is used for drift manhole appendix 3 matched in clearance with inner high voltage mold for forming, right-hand component comprises the end face 4 of described one end, right-hand component vertically right-to-left is sequentially guide section, cylindrical seal section 6 and cone seal section 7, cylindrical seal section 6 is for processed pipe fitting 12 interference fit shaping with inner high voltage, namely cylindrical seal section 6 is for the endoporus interference fit of the processed pipe fitting 12 shaping with inner high voltage, cone seal section 7 is adjacent to for being extruded by sealed end inclined-plane 8 with processed pipe fitting 12, be circular cone in 8, sealed end inclined-plane example, what circular cone connected to the right is exactly described endoporus, described guide section right-to-left is sequentially the round-corner transition part 5.1 arranged between conical section 5.2 side and described end face 4, described conical section 5.2.
Body seal section 7 is offered ring-shaped groove 13, rubber seal 14 is set in ring-shaped groove 13, bottom sealing ring 14 and groove 13, there is gap.The second runner 15 being parallel to runner 10 is offered in body 1 inside, body 1 left part is provided with the second connecting hole 16, second connecting hole 16 is connected with independent pressure fluid organization of supply (fluid pressure therefore in aforementioned gap can independently control, can independently regulate), this the second runner 15 one end communicates with the second connecting hole 16, the other end communicates with the gap bottom groove 13 with sealing ring 14, utilizes this second connecting hole 16 and the second runner 15 can inject fluid in described gap; During need of work, injecting fluid can jack-up sealing ring 14, strengthens sealing; On the other hand, adopt the second connecting hole 16 and the second runner 15 can make in the course of work, to regulate sealing ring 14 to push up the pressure of the inwall to pipe fitting to be processed, namely change sealing intensity, like this when just in case occur sealing due to problems such as such as blemish, inside pipe fitting pressure to be processed are excessive closely do not occur can to regulate when leaking pressure and again shutoff leak.If when body interference fit can realize effective sealing in some working condition, then can not use the sealing property of sealing ring 14, therefore can save the loss of sealing ring 14.If use the working fluid in runner 10 to carry out jacking sealing ring 14, the pressure of this working fluid cannot regulate arbitrarily usually, therefore cannot realize above-mentioned advantage.
Preferably, groove 13 is opened in seal section 7 length 1/3rd place from right to left;
Preferably, groove 13 degree of depth is 1/1 to two/4th of column sealed section of 6 radiuses, more preferably 1/3rd;
Preferably, in a quiescent state, sealing ring 14 is within groove 13 upper top, can protect sealing ring like this.
The scope of the magnitude of interference of described interference fit is 0.3 millimeter to 0.5 millimeter, and this example is 0.4 millimeter.
Body 1 is the cylinder adopting 42CrMo steel to make.
Round-corner transition between described cone seal section 7 and planar annular 2, fillet is too little, does not mark in the drawings, but between two phase cross surfaces in round-corner transition industry those skilled in the art can know its structure.
Body 1 is provided with connecting hole 9 and runner 10, the other end of body 1 is driving mechanism link 11, such as ring flange, driving mechanism is for driving body 1 along pipe fitting 12 axially-movable, driving mechanism can be oil cylinder, and connecting hole 9 is for being connected to inject highly pressurised liquid to runner 10 with efferent duct one end of outside liquid supplying device.
The length of cylindrical seal section 6, cone seal section 7 can determine a comparatively effective length according to test of many times, and be called effective sealing length, criterion obtains stable sealing, and general length is longer can obtain reasonable sealing effectiveness; Cone seal section 7 i.e. circular cone, extrudes by sealed end inclined-plane 8, and final both realize excellent sealing.
Claims (4)
1. the shaping drift of inner high voltage, it comprises body (1), it is characterized in that, body (1) is provided with planar annular (2) for the one end sealed, described one end is divided into left and right two parts by this planar annular (2), left-hand component is used for drift manhole appendix (3) matched in clearance with inner high voltage mold for forming, right-hand component comprises the end face (4) of described one end, right-hand component vertically right-to-left is sequentially guide section, cylindrical seal section (6) and cone seal section (7), cylindrical seal section (6) is for processed pipe fitting (12) interference fit shaping with inner high voltage, cone seal section (7) is adjacent to for being extruded by sealed end inclined-plane (8) with processed pipe fitting (12), described guide section right-to-left is sequentially the round-corner transition part (5.1) arranged between conical section (5.2) side and described end face (4), described conical section (5.2), seal section is offered ring-shaped groove (13), sealing ring (14) is set in ring-shaped groove (13), gap is there is in sealing ring (14) with ring-shaped groove (13) bottom, the second runner (15) being parallel to runner (10) is offered in body (1) inside, body (1) left part is provided with the second connecting hole (16), and the second connecting hole (16) is connected with independent pressure fluid organization of supply, this the second runner (15) one end communicates with the second connecting hole (16), the other end communicates with the gap of sealing ring (14) with ring-shaped groove (13) bottom, utilizes this second connecting hole (16) and the second runner (15) can inject fluid in described gap.
2. the shaping drift of inner high voltage according to claim 1, is characterized in that, the scope of the magnitude of interference of described interference fit is 0.3 millimeter to 0.5 millimeter.
3. the shaping drift of inner high voltage according to claim 1, is characterized in that, body (1) is the cylinder adopting 42CrMo steel to make.
4. the shaping drift of inner high voltage according to claim 1, is characterized in that, round-corner transition between described cone seal section (7) and planar annular (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420591191.9U CN204108072U (en) | 2014-10-14 | 2014-10-14 | The shaping drift of a kind of inner high voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420591191.9U CN204108072U (en) | 2014-10-14 | 2014-10-14 | The shaping drift of a kind of inner high voltage |
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| Publication Number | Publication Date |
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| CN204108072U true CN204108072U (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420591191.9U Active CN204108072U (en) | 2014-10-14 | 2014-10-14 | The shaping drift of a kind of inner high voltage |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307955A (en) * | 2014-10-14 | 2015-01-28 | 宁波思明汽车科技有限公司 | Punching head for internal high-pressure forming |
| CN106363069A (en) * | 2016-08-29 | 2017-02-01 | 天津市天锻压力机有限公司 | Inner high-pressure forming push head for machining automobile chassis part and machining technology |
| CN106378376A (en) * | 2016-11-21 | 2017-02-08 | 济南大学 | Multistage sealing device for internal high-pressure molding |
-
2014
- 2014-10-14 CN CN201420591191.9U patent/CN204108072U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307955A (en) * | 2014-10-14 | 2015-01-28 | 宁波思明汽车科技有限公司 | Punching head for internal high-pressure forming |
| CN104307955B (en) * | 2014-10-14 | 2017-04-12 | 宁波思明汽车科技股份有限公司 | Punching head for internal high-pressure forming |
| CN106363069A (en) * | 2016-08-29 | 2017-02-01 | 天津市天锻压力机有限公司 | Inner high-pressure forming push head for machining automobile chassis part and machining technology |
| CN106378376A (en) * | 2016-11-21 | 2017-02-08 | 济南大学 | Multistage sealing device for internal high-pressure molding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 315171 Zhejiang city of Ningbo province Yinzhou District jishigang town jcair Road No. 688 Patentee after: NINGBO SIMING AUTOMOBILE TECHNOLOGY CO., LTD. Address before: 315176 Ningbo Province, Yinzhou District Spring Industrial Park Road, Cai Cai road, No. 688 Patentee before: NINGBO SIMING AUTOMOBILE TECHNOLOGY CO., LTD. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No.688 Jucai Road, Wangchun Industrial Park, Haishu District, Ningbo City, Zhejiang Province Patentee after: NINGBO SIMING AUTOMOBILE TECHNOLOGY Co.,Ltd. Address before: No. 688, Jucai Road, jishigang Town, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: NINGBO SIMING AUTOMOBILE TECHNOLOGY Co.,Ltd. |