CN102990008A - Lap joint mould for cantilever section material - Google Patents
Lap joint mould for cantilever section material Download PDFInfo
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- CN102990008A CN102990008A CN2012105623531A CN201210562353A CN102990008A CN 102990008 A CN102990008 A CN 102990008A CN 2012105623531 A CN2012105623531 A CN 2012105623531A CN 201210562353 A CN201210562353 A CN 201210562353A CN 102990008 A CN102990008 A CN 102990008A
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- section bar
- mould
- cantilever section
- counterdie
- overlap joint
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Abstract
The invention provides a lap joint mould for a cantilever section material. The lap joint mould comprises an upper die and a lower die matched with the upper die, wherein the lap-jointed faying surface between a core head of the upper die and the lower die is a step surface. According to the lap joint mould for the cantilever section material provided by the invention, when a mould bridge is deformed, the core head shifts; as the lap-jointed faying surface of a core head of the upper die and the lower die is the step surface, then two sections of gaps are generated between the faying surface of the core head and the lower die and are respectively a first gap and a second gap, and the two sections of gaps are staggered and are both blind gaps, namely, on the flowing direction of the liquid metal, the first gap and the second gap cannot penetrate through the whole faying surface of the core head and the lower die, and the liquid metal cannot penetrate through the whole faying surface of the core head and the lower die; and a burr of a section material manufactured by the lap joint mould for the cantilever section material is smaller, the burr of the section material is reduced, and the influence of the burr on the quality of the section material is reduced.
Description
Technical field
The present invention relates to cantilever section bar manufacturing technology field, more particularly, relate to a kind of cantilever section bar with overlapping mould.
Background technology
At present, generally adopt flat-die production for the cantilever section bar.For example, large cantilever section bar as shown in Figure 1 adopts flat-die 11 to produce, and flat-die 11 as shown in Figure 2.Because liquid metal is in flat-die 11 interior extrusion modlings, the cantilever 111 in the flat-die 11 is longer, is A place fracture at the narrowest place more easily, causes the service life of flat-die 11 shorter.In order to improve the mold use life-span, adopt " false shunting mould " to produce, as shown in Figure 3-4, cantilever 111 is divided into two parts, a part is as the core print 121 of patrix 12, another part is as the part of counterdie 13, the core print 121 of patrix 12 and counterdie 13 overlap joints, and core print 121 is seamless with the lap-joint of counterdie 13, thus eliminated the cantilever 111 in the mould, thereby avoided collapsing and causing mold damage because of cantilever 111 fractures, pressure, improved the mold use life-span.
But, along with increasing of mould access times, the mould bridge 122 of patrix 12 can be stayed distortion, as shown in Figure 5, the core print 121 that links to each other with mould bridge 122 also can be along with deforming, cause core print 121 and its initial position to be offset, because core print 121 only is one with the faying surface of counterdie 13, so that the lap-joint of core print 121 and counterdie 13 gap occurs and whole faying surface is run through in this gap, and this gap is parallel to the flow direction of liquid metal, and as shown in Figure 6, then liquid metal can be full of whole faying surface, larger overlap will appear in the section bar with this mould production, has a strong impact on the quality of section bar.
In sum, how reducing the overlap of section bar, to reduce overlap to the impact of section quality, is present those skilled in the art's problem demanding prompt solution.
Summary of the invention
The purpose of this invention is to provide a kind of cantilever section bar with overlapping mould, reduce the overlap of section bar, to reduce overlap to the impact of section quality.
To achieve these goals, the invention provides following technical scheme:
A kind of cantilever section bar comprises patrix and the counterdie that matches with described patrix with the overlap joint mould; Wherein, the faying surface of the core print of described patrix and described counterdie overlap joint is cascaded surface.
Preferably, above-mentioned cantilever section bar is with in the overlap joint mould, and the ladder number of plies of described faying surface is two-layer, and described faying surface comprises the first cascaded surface and second-order tread, and wherein, described the first cascaded surface is near the bottom of described core print.
Preferably, above-mentioned cantilever section bar is with in the overlap joint mould, and the width of the width of described the first cascaded surface and described second-order tread equates.
Preferably, above-mentioned cantilever section bar is with in the overlap joint mould, and the width of described the first cascaded surface is 2 times of width of described second-order tread.
Preferably, above-mentioned cantilever section bar is with in the overlap joint mould, and described faying surface is the vertical riser face.
Preferably, above-mentioned cantilever section bar is with in the overlap joint mould, and described faying surface is the angled step face.
Cantilever section bar provided by the invention comprises patrix and the counterdie that matches with patrix with the overlap joint mould; Wherein, the faying surface of the core print of patrix and counterdie overlap joint is cascaded surface.When the mould bridge deforms, core print also deforms thereupon, so that core print is offset, because the faying surface of core print and counterdie overlap joint is cascaded surface, then produce two intersegmental cracks between the faying surface of core print and the counterdie, be respectively the first gap and the second gap, two intersegmental cracks are staggered and are blind gap, namely on the flow direction of liquid metal, the whole faying surface of core print and counterdie can not run through in the first gap and the second gap, then when liquid metal flows in this cantilever section bar usefulness overlap joint mould, liquid metal can not run through the whole faying surface of core print and counterdie, core print and the gap between the counterdie are run through whole faying surface and this gap and are parallel to the liquid metal flow direction and compare when with the prior art core print skew occuring, cantilever section bar provided by the invention is with overlapping mould, and liquid metal is less at the overlap of the first gap and the formation of the second gap, and the overlap of the section bar of namely producing is less, thereby reduced the overlap of section bar, and then reduced the impact of overlap on section quality.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the cantilever section bar that Fig. 1 provides for prior art;
The structural representation of the flat-die that Fig. 2 provides for prior art;
The cutaway view of " false shunting mould " that Fig. 3 provides for prior art;
Fig. 4 is the structure for amplifying schematic diagram of B part among Fig. 3;
" false shunting mould " schematic diagram when middle mould bridge deforms that Fig. 5 provides for prior art;
The relative position schematic diagram of core print and counterdie when " mould is shunted in vacation " middle mould bridge that Fig. 6 provides for prior art deforms;
The cantilever section bar that Fig. 7 provides for the embodiment of the invention cutaway view of overlap joint mould;
Fig. 8 is the structure for amplifying schematic diagram of C part among Fig. 7;
The cantilever section bar that Fig. 9 provides for the embodiment of the invention structural representation of patrix in the overlap joint mould;
Figure 10 is that the D-D of Fig. 9 is to cutaway view;
Figure 11 is the structure for amplifying schematic diagram of E part among Figure 10;
The cantilever section bar that Figure 12 provides for the embodiment of the invention structural representation of counterdie in the overlap joint mould;
Figure 13 is that the F-F of Figure 12 is to cutaway view;
Figure 14 is the structure for amplifying schematic diagram of G part among Figure 13;
Structural representation when the cantilever section bar that Figure 15 provides for the embodiment of the invention is given birth to skew with overlap joint mould SMIS hair.
Among upper Fig. 1-Figure 15:
Flat-die 11, cantilever 111, patrix 12, core print 121, mould bridge 122, counterdie 13, patrix 21, core print 211, the first cascaded surface 212, second-order tread 213, the first gap 214, the second gap 215, counterdie 22.
The specific embodiment
For the ease of understanding of the present invention, technical term is made explanations:
Overlap joint: be exactly that the part of separating and former part are linked to be overall structure by upper and lower mould assembling, junction (lap-joint) can not have the space, and the section bar of producing is still the section bar that does not seal.
The embodiment of the invention provides a kind of cantilever section bar with the overlap joint mould, has reduced the overlap of section bar, and then has reduced the impact of overlap on section quality.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Please refer to accompanying drawing 7-15, the cantilever section bar that Fig. 7 provides for the embodiment of the invention cutaway view of overlap joint mould; Fig. 8 is the structure for amplifying schematic diagram of C part among Fig. 7; The cantilever section bar that Fig. 9 provides for the embodiment of the invention structural representation of patrix in the overlap joint mould; Figure 10 is that the D-D of Fig. 9 is to cutaway view; Figure 11 is the structure for amplifying schematic diagram of E part among Figure 10; The cantilever section bar that Figure 12 provides for the embodiment of the invention structural representation of counterdie in the overlap joint mould; Figure 13 is that the F-F of Figure 12 is to cutaway view; Figure 14 is the structure for amplifying schematic diagram of G part among Figure 13; Structural representation when the cantilever section bar that Figure 15 provides for the embodiment of the invention is given birth to skew with overlap joint mould SMIS hair.
The cantilever section bar that the embodiment of the invention provides comprises patrix 21 and the counterdie 22 that matches with patrix 21 with the overlap joint mould; Wherein, the core print 211 of patrix 21 is cascaded surface with the faying surface of counterdie 22 overlap joints, shown in Fig. 7-11.Because patrix 21 matches with counterdie 22, so the faying surface of counterdie 22 and core print 211 also is cascaded surface, shown in Figure 12-14.Above-mentioned cantilever section bar is with the overlap joint mould, and when process and assemble, core print 211 and counterdie 22 offset and contact seamlessly, when the mould bridge deforms, the gap occurs between core print 211 and the counterdie 22, namely the gap occurs between the faying surface of core print 211 and the counterdie 22.The cantilever section bar that the embodiment of the invention provides is with in the overlap joint mould, when the mould bridge deforms, core print 211 also deforms thereupon, so that core print 211 is offset, because core print 211 is cascaded surface with the faying surface of counterdie 22 overlap joints, then produce two intersegmental cracks between the faying surface of core print 211 and the counterdie 22, be respectively the first gap 214 and the second gap 215, as shown in figure 15, two intersegmental cracks are not in same plane, mutually stagger and be blind gap, namely on the flow direction of liquid metal, the whole faying surface of core print 211 and counterdie 22 can not run through in the first gap 214 and the second gap 215, then when liquid metal flows in this cantilever section bar usefulness overlap joint mould, liquid metal can not run through the whole faying surface of core print 211 and counterdie 22, core print and the gap between the counterdie are run through whole faying surface and this gap and are parallel to the liquid metal flow direction and compare when with the prior art core print skew occuring, the cantilever section bar that adopts the embodiment of the invention to provide overlap joint mould, liquid metal is less at the overlap of the first gap 214 and 215 formation of the second gap, the overlap of the section bar of namely producing is less, thereby reduced the overlap of section bar, and then reduced the impact of overlap on section quality.
Simultaneously, the cantilever section bar that the embodiment of the invention provides is divided into patrix 21 and counterdie 22 with the overlap joint mould, has avoided mould the phenomenon of large cantilever to occur, has effectively improved this cantilever section bar and has used the service life that overlaps mould.
The cantilever section bar that above-described embodiment provides is with in the overlap joint mould, and the core print 211 of patrix 21 is cascaded surface with the faying surface of counterdie 22 overlap joints, and this cascaded surface can be the multi-step face, and for example core print 211 is 3 layers with the ladder number of plies of the faying surface of counterdie 22 overlap joints.But, for the ease of the installation of cantilever section bar with the production that overlaps mould and patrix 21 and counterdie 22, preferential selection core print 211 is two-layer with the ladder number of plies of the faying surface of counterdie 22 overlap joints, be that core print 211 comprises the first cascaded surface 212 and second-order tread 213 with the faying surface that counterdie 22 overlaps, such as Fig. 8 and shown in Figure 11, wherein, the first cascaded surface 212 is near the bottom of core print 211, namely when patrix 21 and counterdie 22 were installed, the first cascaded surface 212 contacted with counterdie 22 first.
In order further to optimize technique scheme, the cantilever section bar that above-described embodiment provides is with in the overlap joint mould, and the width of the width of the first cascaded surface 212 and second-order tread 213 equates that as shown in Figure 8, the width of the first cascaded surface 212 is L
1, the width of second-order tread 213 is L
2, i.e. L
1=L
2, be convenient to like this to guarantee that the intensity of core print 211 of patrix 21 and the intensity of counterdie 22 meet the demands.Certainly, the width that also can select the first cascaded surface 212 is 2 times of width of second-order tread 213, i.e. L
1=2L
2In actual application, the width of the width of the first cascaded surface 212 and second-order tread 213 also can be other relations, meet the demands as long as can guarantee the intensity of core print 211 of patrix 21 and the intensity of counterdie 22, the embodiment of the invention does not limit particularly to this.
The cantilever section bar that above-described embodiment provides is with overlapping mould, and when assembling patrix 21 and counterdie 22, the first cascaded surface 212 must be close to counterdie 22, can reserve the gap of 0.1mm between second-order tread 213 and the counterdie 22.Certainly, in the practical set process, can decide according to actual concrete condition, the embodiment of the invention does not limit particularly to this, is adjacent to counterdie 22 as long as can guarantee the first cascaded surface 212.
For the ease of the installation of above-mentioned cantilever section bar with the production that overlaps mould and patrix 21 and counterdie 22, the cantilever section bar that above-described embodiment provides is with in the overlap joint mould, core print 211 is the vertical riser face with the faying surface of counterdie 22 overlap joints, the drift angle that is cascaded surface is 90 °, concrete, the joint face vertical and horizontal direction of the first cascaded surface 212 and second-order tread 213 or be parallel to horizontal direction (this cantilever section bar with overlap the mould traverse or place vertically).Certainly, core print 211 also can be the angled step face with the faying surface of counterdie 22 overlap joints, and namely the drift angle of cascaded surface is the obtuse angle, when this cantilever section bar is used overlap joint mould traverse, joint face and the horizontal direction of the first cascaded surface 212 and second-order tread 213 have angle, and this angle is acute angle.The embodiment of the invention does not limit particularly to the concrete shape of cascaded surface.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment as herein described, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a cantilever section bar comprises patrix and the counterdie that matches with described patrix with the overlap joint mould; It is characterized in that the faying surface of the core print of described patrix and described counterdie overlap joint is cascaded surface.
2. cantilever section bar according to claim 1 is characterized in that with the overlap joint mould ladder number of plies of described faying surface is two-layer, and described faying surface comprises the first cascaded surface and second-order tread, and wherein, described the first cascaded surface is near the bottom of described core print.
3. cantilever section bar according to claim 2 is characterized in that with the overlap joint mould width of described the first cascaded surface equates with the width of described second-order tread.
4. cantilever section bar according to claim 2 is characterized in that with the overlap joint mould, and the width of described the first cascaded surface is 2 times of width of described second-order tread.
5. the described cantilever section bar of any one is characterized in that with the overlap joint mould described faying surface is the vertical riser face according to claim 1-4.
6. the described cantilever section bar of any one is characterized in that with the overlap joint mould described faying surface is the angled step face according to claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105623531A CN102990008A (en) | 2012-12-21 | 2012-12-21 | Lap joint mould for cantilever section material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105623531A CN102990008A (en) | 2012-12-21 | 2012-12-21 | Lap joint mould for cantilever section material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102990008A true CN102990008A (en) | 2013-03-27 |
Family
ID=47919417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105623531A Pending CN102990008A (en) | 2012-12-21 | 2012-12-21 | Lap joint mould for cantilever section material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102990008A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201271666Y (en) * | 2008-09-01 | 2009-07-15 | 江阴市江顺模具有限公司 | Mouth spliced hot extrusion die |
| CN202539244U (en) * | 2012-02-22 | 2012-11-21 | 扬州市管件厂有限公司 | Cold extrusion pipe bending die |
| CN202606554U (en) * | 2012-05-29 | 2012-12-19 | 广东伟业铝厂有限公司 | Extrusion die for hollow aluminum profile |
| CN203044866U (en) * | 2012-12-21 | 2013-07-10 | 西南铝业（集团）有限责任公司 | Lap joint mould |
-
2012
- 2012-12-21 CN CN2012105623531A patent/CN102990008A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201271666Y (en) * | 2008-09-01 | 2009-07-15 | 江阴市江顺模具有限公司 | Mouth spliced hot extrusion die |
| CN202539244U (en) * | 2012-02-22 | 2012-11-21 | 扬州市管件厂有限公司 | Cold extrusion pipe bending die |
| CN202606554U (en) * | 2012-05-29 | 2012-12-19 | 广东伟业铝厂有限公司 | Extrusion die for hollow aluminum profile |
| CN203044866U (en) * | 2012-12-21 | 2013-07-10 | 西南铝业（集团）有限责任公司 | Lap joint mould |
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Application publication date: 20130327 |