CN102009098B - Method for processing two-dimensional curved surface intersecting line by stamping and dissecting mode and stamping and dissecting mould - Google Patents
Method for processing two-dimensional curved surface intersecting line by stamping and dissecting mode and stamping and dissecting mould Download PDFInfo
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- CN102009098B CN102009098B CN2010105060212A CN201010506021A CN102009098B CN 102009098 B CN102009098 B CN 102009098B CN 2010105060212 A CN2010105060212 A CN 2010105060212A CN 201010506021 A CN201010506021 A CN 201010506021A CN 102009098 B CN102009098 B CN 102009098B
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Abstract
The invention belongs to the scope of the pressure processing technique of machine building industry, in particular to a method for processing two-dimensional curved surface intersecting line by stamping and dissecting mode and a stamping and dissecting mould. The method is characterized in that a penetration-implementation wedge-type punch with a tapered wedge surface and a side edge is adopted on a punching machine and is matched with an intersecting line-type wrapped edge in a wrapped edge cavity which is fit with the shape of a section bar workpiece to be penetrated to form a shearing pair; the punching penetration is implemented by the penetration-implementation wedge-type punch along the axis included angle alpha of the section bar workpiece to be penetrated; in the press movement of the penetration-implementation wedge-type punch, both sides of the prefabricated opening of the section bar workpiece to be penetrated are continuously pushed, and through pushing and cutting off the reserved processing allowance of the prefabricated opening of the section bar workpiece to be penetrated, a two-dimensional curved surface with an intersecting line is formed at the side of the section bar workpiece to be penetrated. The invention has the advantages of reasonable design, compact structure, low carbon, high efficiency, low investment cost, convenience in application and the like, makes the two-dimensional curved surface intersecting line processed on the section bar workpiece to be penetrated through the punching and dissecting mode, greatly improves the production efficiency, and is most suitable for mass processing manufacturing.
Description
Technical field
The invention belongs to machinery manufacturing industry pressure processing technology scope, method and the crowded mould of cutting of punching press that the butt formula is processed two-dimentional curved surface intersection squeezed in a kind of punching press that is specially adapted to processing and manufacturing section bar workpiece two dimension curved surface intersection in enormous quantities.Be particularly useful for the processing of tubing workpiece two dimension curved surface intersection.And provide an intersection that solves in the profile shapes to process the approach of problem.
Background technology
At present, mostly the processing of conventional intersection is to adopt the method for machining or fusion cutting.Traditional machining process needs simple frock clamp and the cutter that is fit to, and it is big to remove processing capacity, and machinable workpiece size receives the equipment restriction and less relatively; Advanced digital control flame cutter special can go out intersection by the fusion cutting of programming path, to single-piece or small lot processing, can adjust flexibly and compatible bigger processing work size range, but equipment self involves great expense.Though the former two has his own strong points, limit because of its processing mechanism separately, have the deficiency that working (machining) efficiency is low, consuming time, consume energy jointly, especially need add man-hour as workpiece in enormous quantities, its working (machining) efficiency often becomes the bottleneck of project progress.More individual or be when irregularly shaped when executing the cross section
that passes through body and passed through body, will be difficult to carry out or realize the processing of its intersection with the former two's method.
Summary of the invention
The present invention is intended to the shortcoming and defect part that in above-mentioned technology, exists, and the working (machining) efficiency under the well-known punching press mechanism is that cutting is incomparable with fusion cutting, and problem is the die-cut motion of how to use one dimension, generates two-dimentional intersection curved surface.The present invention just provides a kind of punching press to squeeze the butt formula and has processed method and the punching press of two-dimentional curved surface intersection and squeeze and cut mould, is used for obtaining the intersection of two-dimentional curved surface; The present invention is not only reasonable in design; Compact conformation can squeeze the butt formula through punching press, will be passed through the intersection that the section bar workpiece processes two-dimentional curved surface; Low-carbon (LC), efficient again; Greatly enhance productivity, be specially adapted to processing and manufacturing in enormous quantities, it is low and use advantage very easily to have investment cost; And can solve the machine-shaping problem of passing through the intersection that is generated between special-shaped body mutually.
The objective of the invention is to adopt following technical scheme to realize: the method that the butt formula is processed two-dimentional curved surface intersection is squeezed in described punching press; It is characterized in that: on pressing equipment, adopt and execute the executing of side edge of passing through cylinder and cammed surface and pass through the wedge-type drift; The side edge of described cammed surface with passed through the bag sword chamber that section bar workpiece profile matches in the Bao Ren of intersection type match to form and shear secondaryly, the edge is executed and is passed through the wedge-type drift and the two axial lines α angle direction of being passed through the section bar workpiece is imposed punching press run through; Described α angle is 0 ° of < α≤90 °; Executing in the downward motion of passing through the wedge-type drift of of short duration, one dimension; Push the both sides of the prefabricated gap that is passed through the section bar workpiece continuously; Cooperate jointly with the bag sword, the allowance of prefabricated gap is cut off, and then form curved surface two dimension, that have intersection being passed through the section bar workpiece end.
Described section bar workpiece or tubing or the solid material of being passed through; Its cross section is rounded, oval, polygon, cam-shaped, gear type or parabola shaped; Passed through the lateral surface of section bar workpiece or for closed or for gap type.
Described execute pass through cylinder and rounded, oval, the polygon of cross section, cam-shaped, gear type or parabola shaped.
The Bao Ren of the intersection type of end, described bag sword chamber is meant by executing and passes through cylinder and wrap chamber, sword chamber face with the crossing formed intersection of said axis angle [alpha]; Chamber, said bag sword chamber face matches with the profile of being passed through the section bar workpiece; Promptly pass through cylinder to being executed
when passing through by axis angle α by being passed through the section bar workpiece when executing; Execute pass through cylinder with and passed through the bag sword chamber face that section bar workpiece profile matches, pass through the space intersection of holding generation at the quilt that is passed through the section bar workpiece.
Described prefabricated gap is meant and is passed through the section bar workpiece before the punching press intersection, and it is passed through the empty cutter gap of end through preceding being processed into, and the bottom shape of prefabricated gap should be corresponding with position, the shape of being passed through the end intersection, its depth H above prefabricated gap
SWith prefabricated gap below depth H
XIt is consistent to match in the time of must be descending with the drift vertex (vertices) on the described wedge-type drift, the width B of its prefabricated gap
0Should be greater than the vertex (vertices) width B of said drift
1Its B
1Value is 0<b
1<b
0Just require the depth H of prefabricated gap
SAnd H
XNeed to satisfy not with said drift on the condition that interferes when descending of drift vertex (vertices), the width B of gap
0Should pass through wedge-type drift vertex (vertices) width B greater than executing
1
The crowded mould of cutting of punching press that the crowded butt formula of described a kind of punching press is processed the method for two-dimentional curved surface intersection is that crowded mould or the symmetrical crowded mould of cutting of the described punching press of two covers of installing cut of described punching press overlapped in installing one on pressing equipment; Described every cover punching press is squeezed and is cut mould; On the cope match-plate pattern, pass through on the corresponding position of end installing with the quilt that is passed through the section bar workpiece and execute and pass through the wedge-type drift; On the lower bolster, pass through the corresponding position of wedge-type drift and be provided with hole, sky cutter road with executing; The Bao Ren of intersection type is close to the correspondence position installing bag sword chamber of wedge-type drift; Described bag sword chamber is divided into upper mold section and female die along the axial die joint that is passed through the section bar workpiece; In upper mold section and female die, be provided with and hold the bag sword chamber face that is passed through the section bar workpiece; Its female die is installed on the lower bolster, and upper mold section uses pull bar and spring to be fitted on the cope match-plate pattern; Cope match-plate pattern connects guide pillar, and upper mold section is equipped with the guide pillar hole of matching with the guide pillar of being installed with the correspondence position of female die.Described executing passed through the wedge-type drift and formed by executing the side edge that passes through cylinder and cammed surface; The side edge of the cammed surface on the described wedge-type drift is cammed surface and executes the cammed surface side edge that passes through the crossing formation of cylinder; This side edge is symmetrically set in executes the both sides of passing through the cylinder hypomere; Or be located at and execute a side of passing through the cylinder hypomere, its each cammed surface is tapered plane or is skew surface, and described each cammed surface is the β angle of wedge with executing the angle that passes through column axis; The described β angle of wedge is 3 °～14 °, and it depends on intensity and the geomery that is passed through the section bar workpiece, takes off limit when low with intensity when the wall that is passed through the section bar workpiece is thin; When the workpiece that is passed through the section bar workpiece, capping when intensity is high; The curvilinear path of the side edge of described each cammed surface in edge is parallel to its inboard and is provided with basil groove, makes the interior angle θ of the side edge of its cammed surface be slightly less than 90 °.So, so that increase side edge sharp of cammed surface.
When impact extrusion is processed non-regular intersection or actual condition when comparatively complicated; Filling workpiece core in the described intersection end that is passed through the section bar workpiece also; Passed through the other end installing position block of section bar workpiece, and between workpiece core and position block the connecting-type core bar.Use increase and passed through the strength and stiffness of section bar workpiece when passing through mutually.
Described lower bolster cooperates and is provided with backup plate with the described cylinder that passes through wedge-type drift outer fix of executing, and realizes when drift presses down not the propulsive thrust of reason workpiece and produces inclination; Backup plate is connected on the lower bolster through stiffener.
Principle of the present invention is set forth in down with the operation branch:
The present invention sets to execute according to designing requirement to pass through the wedge-type drift and passed through mutually by axis angle α by being passed through the section bar workpiece.Executing the shape of cross section that passes through the wedge-type drift and passed through workpiece, can one or the two to be arranged by demand all be irregularly shaped.On bag sword chamber, quilt is passed through the axis in section bar workpiece insertion chamber and executes the axis angle that passes through the wedge-type drift is α, and the prefabricated gap that is passed through the section bar workpiece can adopt various simple and practical methods to process, and process for stamping is first-selected, the top depth H of prefabricated gap
SWith following H
XNeed to satisfy not and the described condition that the drift vertex (vertices) that passes through the wedge-type drift interferes when descending, the width B of prefabricated gap executed
0Should be greater than drift vertex (vertices) width B
1, being passed through the section bar workpiece and inserted in the bag sword chamber by the direction of its prefabricated gap, the vertex (vertices) side of passing through wedge-type drift initial position is executed in touching of bottom surface of gap on it; Execute that to pass through the wedge-type drift descending, begin to squeeze to cut, pass through the β angle of wedge that the wedge-type drift has because of executing; The side edge line of its cammed surface promptly can move with two (the second half can have 4) merge points of bag sword line continuously laterally, from a1 and a2 to b1 and b2, at this moment; Leakage is squeezed side shifting outside the tangential at the outside clout of bag sword cutting edge by drift; Move past outside the bag sword line, promptly passed through the section bar workpiece and separate fully, so far passed through the section bar workpiece side and just formed the intersection curved surface at quilt with quilt.Consider that the quilt after the moulding passes through the section bar workpiece at the residual burr of bag sword periphery, hinder workpiece from bag sword chamber, to extract out, cut into open upper mold section and upper mold section along passing through the axial die joint of section bar workpiece so will wrap the sword chamber.Wherein can adopt pull bar and spring part on the upper mold section, cooperate guide pillar to fluctuate, and use the component of the downward P of drift, before the cammed surface side edge does not begin crowded cutting, give downward unsteady power P of upper mold section
yRetrain and squeeze the reaction force that workpiece produces upper and lower half module when cutting.Drift is to being passed through axial thrust load that the section bar workpiece produces when big; The other end that is passed through the section bar workpiece can adopt measures such as increasing position block to offset its axial thrust, certainly, and in the time of all need processing intersection as if the workpiece two ends; This device of capable of setting distance two covers squeezes simultaneously to be cut, and axial thrust load can be cancelled out each other.Generally, axial thrust load is less, uses the power P that floats
y, upper and lower half module gets final product clamping work pieces, retrains endwisely slipping of workpiece.During work; Pull bar is pulled upwardly upper mold section; The quilt of prefabricated empty cutter gap is passed through in the die cavity that the section bar workpiece is put into the female die that conforms to its profile, and axial location can also can adopt other location measure by the method for last gap bottom touching drift vertex (vertices) side; But the bottom surface that should guarantee prefabricated gap does not exceed beyond the bag sword line of upper and lower half module, its pressure is collapsed when descending with the bottom surface of avoiding drift; With passed through upper mold section that section bar workpiece profile conform to descending, depend on the elastic force P of spring thereafter
yWorkpiece pressing; Then execute and pass through the wedge-type drift and continue descending; The side edge of its cammed surface pushes laterally continuously and is passed through the clout that the section bar workpiece is exposed at the upper and lower half module bag sword line outside; Through shearing secondary shearing work, the clout of removing until needs all with passed through the section bar workpiece and separated, promptly passed through the intersection machine-shaping of section bar workpiece end face.Though by demand; Executing the shape of cross section that passes through the wedge-type drift and passed through the section bar workpiece possibly one or two all be irregularly shaped; But in the interlaced process of the Bao Ren of the side edge of cammed surface and intersection type; Realized executing and passed through the wedge-type drift and run through the cutting behavior, therefore realized the machine-shaping of intersection between special-shaped section bar workpiece what pass through the section bar workpiece.
The technical scheme of to sum up being taked realizes the object of the invention.
Compared with prior art, the present invention is not only reasonable in design, compact conformation; Can squeeze the butt formula through punching press; To be passed through the two-dimentional curved surface intersection machine-shaping of section bar workpiece, low-carbon (LC), efficient is greatly enhanced productivity again; And be best suited for processing and manufacturing in enormous quantities, it is low and use advantages such as very convenient to have investment cost.And an effective way that solves intersection problem between working special-shaped material workpiece is provided emphatically.
Description of drawings
The present invention has nine width of cloth accompanying drawings.Wherein:
Accompanying drawing 1 is that the master of operation principle of the present invention looks sketch map;
Accompanying drawing 2 is side views of Fig. 1;
Accompanying drawing 3 is that operation principle axle of the present invention is surveyed sketch map;
Accompanying drawing 4 is main TV structure sketch mapes of one of embodiment of the invention;
Accompanying drawing 5 is along the cutaway view of B-B line among Fig. 4
Accompanying drawing 6 is along the cutaway view of A-A line among Fig. 4;
Accompanying drawing 7 is C place enlarged diagrams of Fig. 6;
Accompanying drawing 8 be the embodiment of the invention two in executing of gear forms pass through wedge-type drift 1 and the assembling sketch map that is passed through section bar workpiece 3;
Accompanying drawing 9 is that the K of Fig. 8 is to sketch map.
Among the figure: 1, execute and pass through the wedge-type drift, 2, bag sword chamber, 3, passed through the section bar workpiece, 4, prefabricated gap, 5, Bao Ren, 6, cope match-plate pattern; 7, lower bolster, 8, hole, empty cutter road, 9, guide pillar, 10, spring, 11, the cammed surface side edge, 12, basil groove; 13, backup plate, 14, stiffener, 15, drift vertex (vertices), 16, the guide pillar hole, 17, upper mold section, 18, pull bar, 19, female die; 20, cammed surface, 21, execute and pass through cylinder, 22, bag sword chamber face, 23, the workpiece core, 24, position block, 25, the core bar.
The specific embodiment
Fig. 1,2, be that the present invention-punching press is squeezed the butt formula and processed the operation principle sketch map of the method for two-dimentional curved surface intersection shown in 3; It is characterized in that: on pressing equipment, adopt and execute the executing of side edge 11 of passing through cylinder 21 and cammed surface 20 and pass through wedge-type drift 1; Described executing passed through wedge-type drift 1 and formed by executing the side edge 11 that passes through cylinder 21 and cammed surface 20; The side edge 11 of its cammed surface 20 is symmetrically set in executes the both sides of passing through cylinder 21 hypomeres; Or be located at and execute a side of passing through cylinder 21 hypomeres, its each cammed surface 20 is tapered plane or is skew surface, and described each cammed surface 20 is the β angle of wedge with executing the angle that passes through cylinder 21 axis; The curvilinear path of the side edge 11 of described each cammed surface in edge is parallel to its inboard and is provided with basil groove 12, makes the interior angle θ of the side edge 11 of its cammed surface be slightly less than 90 °; The described β angle of wedge is 3 °～14 °, and it depends on intensity and the geomery that is passed through section bar workpiece 3, takes off limit when low with intensity when the wall that is passed through section bar workpiece 3 is thin; When the workpiece that is passed through section bar workpiece (3), capping when intensity is high; The side edge 11 of described cammed surface matches with the bag sword 5 of intersection types in the bag sword chamber 2 to form and shears secondaryly, passes through two axial lines α angle direction that 1 pair of quilt of wedge-type drift passes through the section bar workpiece and imposes punching press and run through along executing; Described α angle is 0 ° of < α≤90 °; Executing in the downward motion of passing through wedge-type drift 1 of of short duration, one dimension; Push the both sides of the prefabricated gap 4 that is passed through section bar workpiece 3 continuously; Cooperates jointly with bag sword 5, the allowance of prefabricated gap 4 is cut off, and then form curved surface two-dimentional, that have intersection being passed through section bar workpiece 3 ends.
Fig. 4,5,6, be one of embodiments of the invention shown in 7, it is that the described punching press of symmetry installing two covers is squeezed and cut mould on pressing equipment; Described every cover punching press is squeezed the structure of cutting mould and is comprised: cope match-plate pattern 6, lower bolster 7; It is characterized in that: cope match-plate pattern 6 installings are executed and are passed through wedge-type drift 1; Describedly execute that to pass through wedge-type drift 1 be that the side edge 11 that cylinder 21 and cammed surface are passed through in circular executing is formed by cross section; Executing the external diameter that passes through cylinder 21 is the external diameter that circular quilt passes through section bar workpiece 3, i.e. Φ greater than cross section
21>Φ
3And the two ° passes through with axis angle α=90 mutually, and the described bilateral symmetry of executing the hypomere that passes through wedge-type drift 1 is provided with cammed surface 20, its with execute angle of wedge β=10.6 that the axis that passes through cylinder 21 presss from both sides °; The two intersects and to have formed an oval-shaped intersection of opening; Be the track of the side edge 11 of cammed surface 20, the inboard that is parallel to side edge 11 tracks of described each cammed surface is provided with basil groove 12, makes the interior angle θ of the side edge 11 of its cammed surface be slightly less than 90 °; Pass through wedge-type drift 1 corresponding position with executing; On lower bolster 7, be provided with hole, sky cutter road 8; The bag sword 5 of intersection type is close to the correspondence position installing bag sword chamber 2 of wedge-type drift 1, and described bag sword chamber 2 is divided into upper mold section 17 and female die 19 along the axial die joint that is passed through section bar workpiece 3, in upper mold section 17 and female die 19, is provided with and holds the bag sword chamber face 22 that is passed through section bar workpiece 3; Its female die 19 is installed on the lower bolster 7; Cope match-plate pattern 6 is inlayed and is connected guide pillar 9, and upper mold section 17 is equipped with the guide pillar hole 16 of matching with guide pillar 9 with female die 19, and pull bar 18 is connected cope match-plate pattern 6 with spring 10 with upper mold section 17; Lower bolster 7 cooperates and is provided with backup plate 13 with the described cylinder that passes through wedge-type drift 1 outer fix of executing, and backup plate 13 peripheral hardware stiffeners 14 are connected lower bolster 7 jointly.
Fig. 8, being two of embodiments of the invention shown in 9, is that the quilt of working special-shaped solid material passes through punching press that the method for the intersection of section bar workpiece 3 uses and squeezes and cut mould; Its structure: be that installing one cover punching press is squeezed and to be cut mould on stamping machine, wherein saidly execute that to pass through wedge-type drift 1 be that the side edge 11 that executing of gear shape passed through cylinder 21 and cammed surface is formed by cross section; The described cross section that is passed through section bar workpiece 3 is that major axis is that a, minor axis are the ellipse of b; The two passes through with axis angle α mutually.Consider that it squeezes when cutting; Shear secondary shearing inclination or direction and change comparatively complicacy, so, added workpiece core 23 and core bar 25 in the intersection end of workpiece 3 inside; Workpiece core 23 can be assisted the shearing subtask, reduces workpiece profile and changes the distortion that brings because of shearing auxiliary direction; The other end of workpiece 3 adds position block 24 and retrains the axial thrust that when shearing workpiece 3 and workpiece core 23 is produced; Present embodiment two in cammed surface 20 adopted an interior R curved surface than long radius; It changes after can making the instant β angle of squeezing when cutting earlier little greatly continuously; Adapting to the variation of shearing auxiliary direction, it passes through cylinder 21 and intersects with executing, and has formed the trajectory of the side edge 11 of cammed surface 20; Be provided with basil groove 12 along described each cammed surface side edge 11 inboard, make the interior angle θ of the side edge 11 of cammed surface be slightly less than 90 °; All the other structures are partly identical with one of embodiment.
The above; Be merely that the present invention gives an example or the preferable specific embodiment; But protection scope of the present invention is not limited thereto; All are familiar with the technical staff in present technique field in technical scope disclosed by the invention, are equal to replacement or change and all should be encompassed within protection scope of the present invention according to technical scheme of the present invention and design of the present invention thereof.
Claims (8)
1. the method that the butt formula is processed two-dimentional curved surface intersection is squeezed in a punching press; It is characterized in that: on pressing equipment, adopt and execute the executing of side edge (11) of passing through cylinder (21) and cammed surface (20) and pass through wedge-type drift (1); Described executing passed through wedge-type drift (1) and formed by executing the side edge (11) that passes through cylinder (21) and cammed surface (20); The side edge (11) of described cammed surface (20) is symmetrically set in executes the both sides of passing through cylinder (21) hypomere; Or be located at and execute a side of passing through cylinder (21) hypomere, its each cammed surface (20) is tapered plane or is skew surface, and described each cammed surface (20) is the β angle of wedge with executing the angle that passes through cylinder (21) axis; The curvilinear path of the side edge (11) of described each cammed surface in edge is parallel to its inboard and is provided with basil groove (12), makes the interior angle θ of the side edge (11) of its cammed surface be slightly less than 90 °; The described β angle of wedge is 3 °～14 °, and it depends on intensity and the geomery that is passed through section bar workpiece (3), takes off limit when low with intensity when the wall that is passed through section bar workpiece (3) is thin; When the workpiece that is passed through section bar workpiece (3), capping when intensity is high; The side edge (11) of described cammed surface (20) matches with the Bao Ren (5) that is passed through interior the intersection type in bag sword chamber (2) that section bar workpiece (3) profile matches to form and shears secondaryly, and the edge is executed and passed through wedge-type drift (1) and the two axial lines α angle direction of being passed through section bar workpiece (3) is imposed punching press run through; Described α angle is 0 ° of < α≤90 °; Executing in the downward motion of passing through wedge-type drift (1) of of short duration, one dimension; Push the both sides of the prefabricated gap (4) that is passed through section bar workpiece (3) continuously; And the common cooperation of Bao Ren (5); The allowance of prefabricated gap (4) is cut off, so by passed through section bar workpiece (3) end form two dimension, curved surface with intersection.
2. squeeze the method that the butt formula is processed two-dimentional curved surface intersection by the described punching press of claim 1, it is characterized in that: described section bar workpiece (3) or tubing or the solid material of being passed through; Its cross section is rounded, oval, polygon, cam-shaped, gear type or parabola shaped; Passed through the lateral surface of section bar workpiece (3) or for closed or for gap type.
3. squeeze the method that the butt formula is processed two-dimentional curved surface intersection by the described punching press of claim 1, it is characterized in that: describedly execute that the cross section that passes through cylinder (21) is rounded, oval, polygon, cam-shaped, gear type or parabola shaped.
4. squeeze the method that the butt formula is processed two-dimentional curved surface intersection by the described punching press of claim 1; It is characterized in that: the Bao Ren (5) of the intersection type of end, described bag sword chamber (2) is meant by executing and passes through cylinder (21) and wrap chamber, sword chamber face (22) with the crossing formed intersection of said axis angle [alpha]; Said bag sword chamber chamber face (22) is to match with the profile of being passed through section bar workpiece (3).
5. squeeze the method that the butt formula is processed two-dimentional curved surface intersection by the described punching press of claim 1; It is characterized in that: described prefabricated gap (4); Be meant and passed through section bar workpiece (3) before the punching press intersection; It is passed through the empty cutter gap of end through preceding being processed into, and the bottom shape of prefabricated gap (4) should be corresponding with position, the shape of being passed through the end intersection, the depth H above its prefabricated gap (4)
SWith the following depth H of prefabricated gap (4)
XIt is consistent to match in the time of must be descending with the drift vertex (vertices) (15) on the described wedge-type drift (1), the width B of its prefabricated gap (4)
0Should be greater than the vertex (vertices) width B of said drift (1)
1Its B
1Value is 0<b
1<b
0
6. a punching press of adopting the crowded butt formula of the described punching press of claim 1 to process the method for two-dimentional curved surface intersection is squeezed and cut mould, it is characterized in that: crowded mould or the crowded mould of cutting of the described punching press of symmetrical installing two covers cut of described punching press overlapped in installing one on pressing equipment; Described every cover punching press is squeezed and to be cut mould, on cope match-plate pattern (6), passes through to install to execute on the corresponding position of end with the quilt that is passed through section bar workpiece (3) and passes through wedge-type drift (1); Described executing passed through wedge-type drift (1) and formed by executing the side edge (11) that passes through cylinder (21) and cammed surface (20); The side edge (11) of described cammed surface (20) is symmetrically set in executes the both sides of passing through cylinder (21) hypomere; Or be located at and execute a side of passing through cylinder (21) hypomere; Its each cammed surface (20) is tapered plane or is skew surface, and described each cammed surface (20) is the β angle of wedge with executing the angle that passes through cylinder (21) axis; The curvilinear path of the side edge (11) of described each cammed surface in edge is parallel to its inboard and is provided with basil groove (12), makes the interior angle θ of the side edge (11) of its cammed surface be slightly less than 90 °; The described β angle of wedge is 3 °～14 °, and it depends on intensity and the geomery that is passed through section bar workpiece (3), takes off limit when low with intensity when the wall that is passed through section bar workpiece (3) is thin; When the workpiece that is passed through section bar workpiece (3), capping when intensity is high; On lower bolster (7), pass through the corresponding position of wedge-type drift (1) and be provided with hole, sky cutter road (8) with executing; The Bao Ren of intersection type (5) is close to the correspondence position installing bag sword chamber (2) of wedge-type drift (1); Described bag sword chamber (2) is divided into upper mold section (17) and female die (19) along the axial die joint that is passed through section bar workpiece (3); In upper mold section (17) and female die (19), be provided with and hold the bag sword chamber face (22) that is passed through section bar workpiece (3); Its female die (19) is installed on the lower bolster (7), and upper mold section (17) uses pull bar (18) and spring (10) to be fitted on the cope match-plate pattern (6); Cope match-plate pattern (6) connects guide pillar (9), and upper mold section (17) is equipped with the guide pillar hole (16) of matching with the guide pillar of being installed (9) with the correspondence position of female die (19).
7. squeeze by the described punching press of claim 6 and cut mould; It is characterized in that: filling workpiece core (23) in the described intersection end that is passed through section bar workpiece (3); Passed through the other end installing position block (24) of section bar workpiece (3), connecting-type core bar (25) between workpiece core (23) and position block (24).
8. squeeze by the described punching press of claim 6 and cut mould; It is characterized in that: described lower bolster (7); Cooperate and be provided with backup plate (13) with the described cylinder that passes through wedge-type drift (1) outer fix of executing, realize when drift presses down not the propulsive thrust of reason workpiece and produce inclination; Backup plate (13) is connected on the lower bolster (7) through stiffener (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105060212A CN102009098B (en) | 2010-10-12 | 2010-10-12 | Method for processing two-dimensional curved surface intersecting line by stamping and dissecting mode and stamping and dissecting mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105060212A CN102009098B (en) | 2010-10-12 | 2010-10-12 | Method for processing two-dimensional curved surface intersecting line by stamping and dissecting mode and stamping and dissecting mould |
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| CN102009098A CN102009098A (en) | 2011-04-13 |
| CN102009098B true CN102009098B (en) | 2012-11-21 |
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| CN102133597B (en) * | 2011-05-07 | 2012-09-05 | 驻马店市嵖岈山门业有限公司 | 45-degree corner cutting and punching mould for doorframe semi-finished product |
| CN102500681B (en) * | 2011-09-30 | 2014-03-12 | 重庆建设·雅马哈摩托车有限公司 | Method for processing and forming pipe fitting connection end of motorcycle frame |
| CN106424295B (en) * | 2016-09-19 | 2018-04-20 | 江汉大学 | The disposable blanking apparatus of thin-walled pipe end circular arc cutaway |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2071990U (en) * | 1990-06-29 | 1991-02-27 | 广西南宁手扶拖拉机厂 | Intersecting line punching and shearing die for thin wall pipe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52149685A (en) * | 1976-06-09 | 1977-12-12 | Koike Sanso Kogyo Kk | Device for marking working and cutting intersecting line of pipe |
-
2010
- 2010-10-12 CN CN2010105060212A patent/CN102009098B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2071990U (en) * | 1990-06-29 | 1991-02-27 | 广西南宁手扶拖拉机厂 | Intersecting line punching and shearing die for thin wall pipe |
Non-Patent Citations (3)
| Title |
|---|
| JP昭52-149685A 1977.12.12 |
| 朱尚武."冲切圆管相贯线模".《模具工业》.1992,(第7期),35－36. |
| 朱尚武."冲切圆管相贯线模".《模具工业》.1992,(第7期),35-36. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102009098A (en) | 2011-04-13 |
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