CN103537507A - Hollow outer flange part extrusion forming mold and male mold thereof - Google Patents
Hollow outer flange part extrusion forming mold and male mold thereof Download PDFInfo
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- CN103537507A CN103537507A CN201310506248.0A CN201310506248A CN103537507A CN 103537507 A CN103537507 A CN 103537507A CN 201310506248 A CN201310506248 A CN 201310506248A CN 103537507 A CN103537507 A CN 103537507A
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Abstract
The invention relates to a hollow outer flange part extrusion forming mold and a male mold of the hollow outer flange part extrusion forming mold. The hollow outer flange part extrusion forming mold comprises a working part, wherein the working part comprises an upper extrusion part and a lower extrusion part; the upper extrusion part is used for extruding an outer flange of a hollow outer flange part; the lower extrusion part is used for extruding a tube part of the hollow outer flange part; the upper extrusion part is detachably connected with the lower extrusion part; the outer diameter of the upper extrusion part is greater than that of the lower extrusion part; the lower end surface of the upper extrusion part is a flange extrusion surface; the peripheral surface of the lower extrusion part is a tube part extrusion surface. With a combined male mold structure, the hollow outer flange part extrusion forming mold is convenient to replace, cost-reducing and convenient to release; waste caused by damage to the male mold or parts is avoided.
Description
Technical field
The present invention relates to metallic extrusion molding technical field, relate in particular to a kind of hollow outward flange part mold for extruding and forming and punch thereof.
Background technology
The advantages such as extrusion process is strong with its flow of metal ability, quality of item is high, stock utilization is high, equipment investment is few are widely used in pressure processing field.Hollow outward flange part is the hollow tubular part that one end is provided with outward flange, this part generally adopts forward extrusion mode to be shaped, the normal punch adopting of the existing mould for extrusion molding is generally monoblock type punch, mainly there is following problem in this monoblock type punch: 1) when punch draw taper hour, product is easily wrapped on punch and is difficult to take off, and whole punch can only be destroyed together; And when draw taper is excessive, can cause the utilization rate of material to reduce; 2) punch is when Reusability, due to the continuous wearing and tearing of its working portion, when this part may wear to while affecting forming accuracy, just must change whole punch, thereby increase production cost.
Summary of the invention
the object of this invention is to provide a kind of hollow outward flange part mold for extruding and forming punch of being convenient to replacing and the demoulding of punch.The present invention also aims to provide a kind of mold for extruding and forming that uses above-mentioned punch.
for addressing the above problem, in the present invention, a kind of hollow outward flange part extrusion molding by the technical scheme that punch adopts is:
a kind of hollow outward flange part mold for extruding and forming punch, comprise working portion, described working portion comprises for the upper press section of the outward flange of the hollow outward flange part of extrusion molding with for the lower press section of the pipe portion of the hollow outward flange part of extrusion molding, described upper press section and lower press section releasable connection, the external diameter of described upper press section is greater than the external diameter of lower press section, the lower surface of described upper press section is flange compressive plane, and the outer peripheral face of described lower press section is pipe portion compressive plane.
also comprise standing part, described standing part and described working portion are by being divided into double-screw bolt and the screwed hole releasable connection on both.
described upper press section is clamped between described standing part and described lower press section.
described upper press section and lower press section are only screwed and close by the bearing pin being inserted on the two, are provided with the tooling hole for plug-in mounting extracting tool on the outer peripheral face of described upper press section.
in one of them of described upper press section and lower press section, be provided with recessed seam, be provided with male half coupling on another, between upper press section, lower press section, by described male half coupling, recessed seam seam, coordinate, the hole portion of described recessed seam is circular cone hole shape, and the convex pillar part of described male half coupling is truncated cone.
in the present invention, use the technical scheme of the mold for extruding and forming of combinations thereof punch to be:
mold for extruding and forming, comprise punch and die, described combined heave die comprises working portion, described working portion comprises for the upper press section of the outward flange of the hollow outward flange part of extrusion molding with for the lower press section of the pipe portion of the hollow outward flange of extrusion molding, described upper press section and described lower press section releasable connection, the external diameter of described upper press section is greater than the external diameter of lower press section, and the lower surface of described upper press section is flange compressive plane, and the outer peripheral face of described lower press section is pipe portion compressive plane.
Also comprise standing part, described standing part and described working portion are by being divided into double-screw bolt and the screwed hole releasable connection on both.
Described upper press section is clamped between described standing part and described lower press section.
Described upper press section and lower press section are only screwed and close by the bearing pin being inserted on the two, are provided with the tooling hole for plug-in mounting extracting tool in the periphery of described upper crimping section.
In one of them of described upper press section and lower press section, be provided with recessed seam, be provided with male half coupling on another, between upper press section, lower press section, by described male half coupling, recessed seam seam, coordinate, the hole portion of described recessed seam is circular cone hole shape, and the convex pillar part of described male half coupling is truncated cone.
A kind of hollow outward flange mold for extruding and forming and combined heave die thereof that the present invention proposes, the working portion of this mold for extruding and forming convex mould comprises upper press section and the lower press section of releasable connection, during press section wearing and tearing instantly, after only needing upper press section and lower press section to take apart, change lower press section, therefore be convenient to change, reduce costs; After having pushed, when if hollow outward flange part is coated on lower press section, because the external diameter of upper press section is larger, upper press section and lower press section can be taken apart, thereby just the flange portion of hollow outward flange part can be abdicated, thereby can the flange portion of part is padded, lower press section is applied to certain pressure and easily pull down part, do not need to damage punch, be convenient to the demoulding, convenient operation, cost-saving.
Further, releasable connection structure adopts double-screw bolt and screwed hole to coordinate, simple in structure, and easy accessibility, is easy to processing.
Further, on upper press section and lower press section, recessed seam and male half coupling are set, are convenient to the inserting of feeling relieved, the hole portion of recessed seam and the convex pillar part of male half coupling adopt taper seat to coordinate, and are convenient to the plug-in mounting that leads.
Accompanying drawing explanation
Fig. 1 be of the present invention in use state diagram during a kind of embodiment matched moulds of mold for extruding and forming of hollow outward flange part;
Use state diagram when Fig. 2 is the normal parting of embodiment of mold for extruding and forming of a kind of hollow outward flange part in the present invention;
Fig. 3 is the structure that the punch in Fig. 1 is removed the working portion after standing part;
Fig. 4 is demoulding schematic diagram;
Fig. 5 is blank drawing to be extruded;
Fig. 6 is required product figure;
Fig. 7 is the use state diagram of the embodiment of a kind of combined heave die of mold for extruding and forming of hollow outward flange part in the present invention.
The specific embodiment
The embodiment of the mold for extruding and forming of a kind of hollow outward flange part of the present invention: as shown in Figure 1 to 4, the present embodiment is mainly that blank forward extrusion is as shown in Figure 5 configured as to hollow outward flange product as shown in Figure 6, product 4 is for having the tubular member of outward flange, this mold for extruding and forming comprises punch and die 5, punch is split type combined heave die, this combined heave die comprises standing part 1 and working portion, standing part 1 lower surface has been wholely set double-screw bolt, working portion comprises for the upper press section 2 of the flange portion of extrusion molding product 4 with for the lower press section 3 of the pipe portion of extrusion molding product 4, on upper press section 2, offer the unthreaded hole passing through for the double-screw bolt for standing part 1, on lower press section 3, be provided with screwed hole, releasable connection structure is threaded standing part 1 and lower press section 3 to be set by double-screw bolt and screwed hole releasable connection on standing part 1, upper press section 2 is clamped between standing part 1 and lower press section 3, upper press section 2 is only revolved and is connected by bearing pin 6 with lower press section 3, on upper press section 2, be provided with recessed seam, on lower press section 3, be provided with male half coupling, on, between lower press section, by male half coupling and recessed seam seam, coordinate, the hole portion of recessed seam is circular cone hole shape, the convex pillar part of male half coupling is truncated cone, by the conical surface guiding plug-in mounting of recessed seam and male half coupling.
On the outer peripheral face of upper press section 2, be provided with the tooling hole 7 that makes working portion be connected or unclamp with standing part 1 with rotary work part for plug-in mounting dismounting pin, lower press section 3 has the draw taper of 1 ~ 3 degree, the equal diameters of the flange section of the diameter of upper press section 2 and product 4, the equal diameters of the endoporus of the diameter of lower press section 3 and product 4, the lower surface of upper press section 2 is flange compressive plane, the outer peripheral face of lower press section 3 is pipe portion compressive plane, between the periphery wall of lower press section 3 and the mould intracavity wall of die 5, is reserved with for making the gap of metal flow.
During extrusion molding, blank is as shown in Figure 5 heated to initial forging temperature, copper alloy initial forging temperature is 800-850 ℃, then put it in extrusion die, extrusion molding under the pressure-acting of hydraulic press, the product 4 after extruding as shown in Figure 6, then die sinking backhaul.1. (draw taper of punch is reasonable in design, lubricated normal) under normal production conditions, after combined heave die backhaul, the product of extrusion molding will be stayed in die, as shown in Figure 2, now only need eject by ejector the product of extrusion molding, if 2. after punch backhaul, the product 4 of extrusion molding is coated on the periphery wall of lower press section 3, as shown in Figure 3, now can adopt following methods separated: to utilize dismounting pin to insert in the tooling hole 7 arranging on upper press section 2, in rotation, press section 2, upper press section 2 drives the lower press section 3 that only revolves with it releasable connection to rotate together, thereby can standing part 1 is separated with working portion, to split out for only revolving the bearing pin 6 of press section 2 and lower press section 3 in releasable connection, thereby make press section 2 and lower press section 3 separately, the lower press section 3 that is coated with product 4 is placed on the gasket ring of two cushion blocks 8 minute being arranged or ring-type, the flange of product 4 is supported on the end face of cushion block 8 or gasket ring, lower press section 3 away from cushion block 8 one sides is applied to certain pressure P, just can product 4 is separated with lower press section 3.
Standing part and working portion are by the double-screw bolt that arranges on standing part and the screwed hole releasable connection on working portion in the present embodiment, also double-screw bolt can be arranged on working portion in other embodiments of the invention, specifically, on lower press section upper surface, double-screw bolt is set, this double-screw bolt is threaded with the screwed hole of offering on standing part through the unthreaded hole of upper press section.
The hole portion of recessed seam is circular cone hole shape in the present embodiment, the convex pillar part of male half coupling is truncated cone, the hole portion of recessed seam and the convex pillar part of the male half coupling taper of inserting that also can not be set to mutually to coincide in other embodiments of the invention, or the hole portion of recessed seam is set to spherically, it is spherical that the convex pillar part of male half coupling is also set to coordinate with spherical pore.
In the present invention, as shown in Figure 7, its structure is identical with the structure of above-described embodiment convex mould, does not repeat them here for a kind of structure of hollow outward flange part mold for extruding and forming use punch.
Claims (10)
1. a hollow outward flange part mold for extruding and forming punch, it is characterized in that: comprise working portion, described working portion comprises for the upper press section of the outward flange of the hollow outward flange part of extrusion molding with for the lower press section of the pipe portion of the hollow outward flange part of extrusion molding, described upper press section and lower press section releasable connection, the external diameter of described upper press section is greater than the external diameter of lower press section, the lower surface of described upper press section is flange compressive plane, and the outer peripheral face of described lower press section is pipe portion compressive plane.
2. hollow outward flange part mold for extruding and forming punch according to claim 1, is characterized in that: also comprise standing part, described standing part and described working portion are by being divided into double-screw bolt and the screwed hole releasable connection on both.
3. hollow outward flange part mold for extruding and forming punch according to claim 2, is characterized in that: described upper press section is clamped between described standing part and described lower press section.
4. hollow outward flange part mold for extruding and forming punch according to claim 3, it is characterized in that: described upper press section and lower press section are only screwed and close by the bearing pin being inserted on the two, are provided with the tooling hole for plug-in mounting extracting tool on the outer peripheral face of described upper press section.
5. according to the hollow outward flange part mold for extruding and forming punch described in any one in claim 1～4, it is characterized in that: in one of them of described upper press section and lower press section, be provided with recessed seam, be provided with male half coupling on another, between upper press section, lower press section, by described male half coupling, recessed seam seam, coordinate, the hole portion of described recessed seam is circular cone hole shape, and the convex pillar part of described male half coupling is truncated cone.
6. mold for extruding and forming, comprise punch and die, it is characterized in that: described punch comprises working portion, described working portion comprises for the upper press section of the outward flange of the hollow outward flange part of extrusion molding with for the lower press section of the pipe portion of the hollow outward flange of extrusion molding, described upper press section and described lower press section releasable connection, the external diameter of described upper press section is greater than the external diameter of lower press section, the lower surface of described upper press section is flange compressive plane, and the outer peripheral face of described lower press section is pipe portion compressive plane.
7. mold for extruding and forming according to claim 6, is characterized in that: also comprise standing part, described standing part and described working portion are by being divided into double-screw bolt and the screwed hole releasable connection on both.
8. mold for extruding and forming according to claim 7, is characterized in that: described upper press section is clamped between described standing part and described lower press section.
9. mold for extruding and forming according to claim 8, is characterized in that: described upper press section and lower press section are only screwed and close by the bearing pin being inserted on the two, are provided with the tooling hole for plug-in mounting extracting tool in the periphery of described upper crimping section.
10. according to the mold for extruding and forming described in any one in claim 6～9, it is characterized in that: in one of them of described upper press section and lower press section, be provided with recessed seam, be provided with male half coupling on another, between upper press section, lower press section, by described male half coupling, recessed seam seam, coordinate, the hole portion of described recessed seam is circular cone hole shape, and the convex pillar part of described male half coupling is truncated cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310506248.0A CN103537507B (en) | 2013-10-24 | 2013-10-24 | A kind of hollow outward flange part mold for extruding and forming and punch thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310506248.0A CN103537507B (en) | 2013-10-24 | 2013-10-24 | A kind of hollow outward flange part mold for extruding and forming and punch thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN103537507A true CN103537507A (en) | 2014-01-29 |
| CN103537507B CN103537507B (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310506248.0A Active CN103537507B (en) | 2013-10-24 | 2013-10-24 | A kind of hollow outward flange part mold for extruding and forming and punch thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108687153A (en) * | 2018-07-05 | 2018-10-23 | 中北大学 | Axial-radial Splicing Mechanism shaping dies of the wide flange stud cylindrical member of thin-walled |
| CN109078994A (en) * | 2018-07-05 | 2018-12-25 | 中北大学 | Axial-radial Splicing Mechanism manufacturing process of the wide flange stud cylindrical member of thin-walled |
| CN113020527A (en) * | 2021-03-19 | 2021-06-25 | 中国船舶重工集团公司第七二五研究所 | Closed large-size copper-nickel alloy BFe30-1-1 flange forming die and processing method |
Citations (6)
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| JPH10166039A (en) * | 1996-12-12 | 1998-06-23 | Mitsubishi Alum Co Ltd | Extruding device for variable section |
| US5813270A (en) * | 1995-03-17 | 1998-09-29 | Bwe Limited | Continuous extrusion apparatus |
| JP2006239770A (en) * | 2005-03-07 | 2006-09-14 | Daido Steel Co Ltd | Die for forging |
| CN2885442Y (en) * | 2006-02-15 | 2007-04-04 | 北京机电研究所 | Axle sleeve extruding die |
| CN201189527Y (en) * | 2008-03-11 | 2009-02-04 | 济南中川汽车零部件有限公司 | Semi-axis sleeve extrusion die |
| CN101829698A (en) * | 2010-03-30 | 2010-09-15 | 河南科技大学 | Extrusion forming process of thin-wall long pipe-shaped part blank with flange and mould |
-
2013
- 2013-10-24 CN CN201310506248.0A patent/CN103537507B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5813270A (en) * | 1995-03-17 | 1998-09-29 | Bwe Limited | Continuous extrusion apparatus |
| JPH10166039A (en) * | 1996-12-12 | 1998-06-23 | Mitsubishi Alum Co Ltd | Extruding device for variable section |
| JP2006239770A (en) * | 2005-03-07 | 2006-09-14 | Daido Steel Co Ltd | Die for forging |
| CN2885442Y (en) * | 2006-02-15 | 2007-04-04 | 北京机电研究所 | Axle sleeve extruding die |
| CN201189527Y (en) * | 2008-03-11 | 2009-02-04 | 济南中川汽车零部件有限公司 | Semi-axis sleeve extrusion die |
| CN101829698A (en) * | 2010-03-30 | 2010-09-15 | 河南科技大学 | Extrusion forming process of thin-wall long pipe-shaped part blank with flange and mould |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108687153A (en) * | 2018-07-05 | 2018-10-23 | 中北大学 | Axial-radial Splicing Mechanism shaping dies of the wide flange stud cylindrical member of thin-walled |
| CN109078994A (en) * | 2018-07-05 | 2018-12-25 | 中北大学 | Axial-radial Splicing Mechanism manufacturing process of the wide flange stud cylindrical member of thin-walled |
| CN113020527A (en) * | 2021-03-19 | 2021-06-25 | 中国船舶重工集团公司第七二五研究所 | Closed large-size copper-nickel alloy BFe30-1-1 flange forming die and processing method |
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| Publication number | Publication date |
|---|---|
| CN103537507B (en) | 2016-01-13 |
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