CN109248959A - A kind of aluminium alloy sheet rushes circular hole, square hole flanging and compound shearing die - Google Patents
A kind of aluminium alloy sheet rushes circular hole, square hole flanging and compound shearing die Download PDFInfo
- Publication number
- CN109248959A CN109248959A CN201811201867.8A CN201811201867A CN109248959A CN 109248959 A CN109248959 A CN 109248959A CN 201811201867 A CN201811201867 A CN 201811201867A CN 109248959 A CN109248959 A CN 109248959A
- Authority
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- China
- Prior art keywords
- square hole
- plate
- hole flanging
- formed punch
- flanging
- Prior art date
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 18
- 150000001875 compounds Chemical class 0.000 title claims abstract description 16
- 238000010008 shearing Methods 0.000 title claims abstract description 16
- 238000005520 cutting process Methods 0.000 claims abstract description 29
- 238000000465 moulding Methods 0.000 claims abstract description 6
- 238000004080 punching Methods 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims 1
- 230000007306 turnover Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/003—Simultaneous forming, e.g. making more than one part per stroke
Abstract
The invention discloses a kind of aluminium alloy sheets to rush circular hole, square hole flanging and compound shearing die, the formed punch includes several circular hole formed punches, it is mounted on the cutting formed punch and square hole flanging formed punch of the fixed plate end, the concave template is equipped with groove in the lower surface of position corresponding with the square hole flanging formed punch, top plate is slidably fitted in the groove, the top plate is connected by little spring with the lower template, the top plate withstands on the top surface of the groove when bouncing, the fixed plate is fixed with push plate, the top plate is pressed to the lower template present invention in molding and once molds by the mold and can be achieved with rushing circular hole to workpiece by the push plate lower end, the working procedures of square hole flanging and cutting.The processing of same mold enables the size distance of product more stable accurate, avoids the result that burr is excessive, workpiece takes off mould after flange.Keep processed product size accurate, stable, impulse- free robustness avoids workpiece after flange from taking off mould and significantly improve the result in square hole flanging formed punch service life.
Description
Technical field
The present invention relates to stamping die fields, and in particular to it is multiple that a kind of aluminium alloy sheet rushes circular hole, square hole flanging and cutting
Molding.
Background technique
The light-weight design of automobile is the dynamic property in order to improve automobile, reduces fuel consumption, reduces exhaust pollution and subtracts
The most effective measure of light automobile own wt, method are closed as far as possible using aluminium under the premise of proof strength and safety
The steel material that gold or carbon fibre material substitution extensively use originally, is the Multiple Type specification that vehicle forms a complete production network including company
Installation nut limit plate is exactly 0.8 or 1.0 rectangle aluminium alloy sheet part, wherein having a kind of width is 34mm, length
For 938mm, surface be equipped with multiple ￠ 22, ￠ 12 and ￠ 6 circular hole and multiple groups circular hole two sides it is symmetrical cut rectangle
The installation nut limit plate of flange after mouthful.Its technical requirements: inner hole allowable error+0.1 or+0.2, pitch-row and product total length
Size allowable error ± 0.2 or ± 0.3, surfacing and impulse- free robustness.The prior art is using blanking punching circular hole, rushes square opening flange
It is completed with the three secondary mould punchings for cutting both ends, there are burrs at circular hole and square opening for product, and workpiece takes off mould or flange greatly, after flange
Place's cracking, pitch-row and the unappeasable problem of product overall length dimension allowable error, need to do over again mostly after leading to product punching,
Part product will be scrapped, and there are problems that rushing square opening flange formed punch frangibility.
Summary of the invention
The purpose of the present invention is to provide a kind of aluminium alloy sheets to rush circular hole, square hole flanging and compound shearing die, to solve
A variety of circular holes, square hole flanging are processed on same workpiece in the prior art and cuts off the more secondary molds of edge needs, long processing time,
Mold cost is high, especially repeatedly the processing of more mold exchange causes the scale error of product excessive to product, scraps and needs to do over again
The problem that product is more and the square hole flanging formed punch service life is short.
The aluminium alloy sheet rushes circular hole, square hole flanging and compound shearing die, including cope plate, lower template, outer bush,
Outer guiding post, the fixed plate being mounted below the cope plate, the concave template being fixed in the lower template and it is slidably mounted on institute
The pressure plate below fixed plate is stated, several formed punches are fixedly installed in the fixed plate, the pressure plate passes through big spring and institute
Fixed plate connection is stated, the concave template is equipped with die hole corresponding with the formed punch, it is characterised in that: the formed punch includes
Several circular hole formed punches, the cutting formed punch and square hole flanging formed punch for being mounted on the fixed plate end, the concave template with it is described
The lower surface of the corresponding position of square hole flanging formed punch is equipped with groove, is slidably fitted with top plate in the groove, the top plate passes through
Little spring is connected with the lower template, and the top plate withstands on the top surface of the groove when bouncing, and the fixed plate is fixed with push plate,
The top plate is pressed to the lower template, the cope plate, fixed plate and the binder in molding by the push plate lower end
Plate is using multiple big clamping screw connections.
Preferably, the circular hole formed punch includes the different round punch one of diameter, round punch two and round punch three, the square hole
Flange formed punch has multipair, and each pair of square hole flanging formed punch is symmetrically arranged at the two sides of the round punch three, under each pair of square hole flanging formed punch
Corresponding position is equipped with a top plate.
Preferably, after upper and lower mould separates, the push plate bottom surface extends downwardly distance and the side more than pressure plate bottom
The height of hole flanging matches.
Preferably, the pressure plate upper surface and the fixed plate lower surface be designed with install the big spring spring it is recessed
Hole, the top plate lower surface and the lower template upper surface are also provided with the spring pocket for installing the little spring, the cavity plate
The height of the square hole flanging of the depth and workpiece of plate lower surface groove matches.
Preferably, the pressure plate is equipped with several stepped holes, and small clamping screw passes through the stepped hole and consolidates limited block
It is scheduled on the upper surface of the pressure plate, is equal to the punching of the formed punch at the top of the limited block to the distance of the fixed plate bottom plate
Depth.
Preferably, the circular hole formed punch and the cutting formed punch are matched with corresponding cavity plate hole shape, and the square hole turns over
The shape and the shape after square hole flanging of the corresponding die hole of side formed punch match.
Preferably, multiple inner guiding posts are equipped with above the concave template, the pressure plate is arranged below multiple interior to be led with described
Column corresponding guide pillar hole is additionally provided with the locating piece to workpiece positioning above the concave template.
Preferably, the push plate is symmetrically fixed on the fixed plate two sides at three position of round punch in pairs, a pair of push plates it
Between distance be not less than the width of the concave template, the length of the top plate of the strip is greater than the spacing between a pair of push plates.
Preferably, the die cut section of the square hole flanging formed punch is from top to bottom divided into arc section, rushes square hole section and sword
Mouthful, the fillet on the square hole flanging of the arc section and workpiece matches, and also is provided on the die hole and the square hole flanging
The side arc surface that upper fillet matches, the cutting edge are inclined-plane cutter shape, and the square hole section of rushing is above shape and workpiece
The rectangular cylinder that hole matches, the inclined-plane of the cutting edge and the arc surface are both facing to the square hole flanging side.Preferably, institute
Stating and rushing the length range of square hole section is 2~3 times of height of the square hole flanging, the inclined-plane of the cutting edge and the folder in punching direction
Angle α is 20 °~30 °.
The present invention has the advantages that by the different circular hole of three kinds of sizes, edge of work cutting and to the more of square hole flanging
Kind manufacturing procedure is integrated into a secondary mold.Once molded by the mold can be achieved with rushing workpiece circular hole, square hole flanging and
The working procedures of cutting.And formed punch due to processing and die hole all set in a pair of molds can be shortened 2/3rds processing
Time replaces three width to greatly reduce the total cost of mold with a secondary mold.And biggest advantage of the present invention is that same mold adds
Work enables the size distance of product more stable accurate, avoids the result that burr is excessive, workpiece takes off mould after flange.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram in left view direction of the invention；
Fig. 3 is the structural schematic diagram of square hole flanging formed punch in the present invention.
Wherein, 1, square hole flanging formed punch, 101, cutting edge, 102, rush square hole section, 103, arc section, 2, top plate, 3, little spring,
4, push plate, 5, round punch three, 6, round punch one, 7, round punch two, 8, cutting formed punch, 9, cope plate, 10, outer bush, 11, binder
Plate, 12, big spring, 13, fixed plate, 14, limited block, 15, guide pillar hole, 16, big clamping screw, 17, outer guiding post, 18, locating piece,
19, lower template, 20, concave template, 21, die hole, 22, small clamping screw, 23, inner guiding post.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making further details of theory to the specific embodiment of the invention
It is bright, to help those skilled in the art to have more complete, accurate and deep reason to inventive concept of the invention, technical solution
Solution.
Embodiment 1:
As shown in Figure 1-3, the present invention provides a kind of aluminium alloy sheets to rush circular hole, square hole flanging and compound shearing die, packet
It includes cope plate 9, lower template 19, outer bush 10, outer guiding post 17, the fixed plate 13 being fixedly mounted below the cope plate 9, fix
The concave template 20 being mounted in the lower template 19 and the pressure plate 11 being slidably mounted below the fixed plate 13.The fixation
Several formed punches are fixed on plate 13, the pressure plate 11 is connect by big spring 12 with the fixed plate 13, the concave template 20
It is equipped with die hole 21 corresponding with the formed punch.
The cope plate 9 and fixed plate 13 are fixedly mounted by big clamping screw 16, the concave template 20 and the lower die
It is bolted between plate 19, the pressure plate 11 is mounted on 13 lower section of fixed plate by big clamping screw 16, described
The step slideway being slidably matched with the big clamping screw 16 is equipped in fixed plate 13.The pressure plate 11 and the fixation
Plate 13 is designed with the spring pocket for installing the big spring 12, acts on pressure plate 11 by big spring 12 and exists to the material of workpiece
Pre-pressing is carried out before punching press.Big clamping screw 16 protrudes into part, and there is position limiting structure to stop limit by the step part of step slideway
Position.
The formed punch includes several circular hole formed punches, cutting formed punch 8 and square hole flanging formed punch 1.Cutting formed punch 8 is mounted on described
13 end of fixed plate.The circular hole formed punch includes the different round punch 1 of diameter, round punch 27 and round punch 35, according to work
The processing of part needs to be arranged in corresponding position.The circular hole formed punch and the cutting formed punch 8 and corresponding 21 shape phase of die hole
Cooperation.
The pressure plate 11 is equipped with several stepped holes, and small clamping screw 22 passes through the stepped hole, and limited block 14 is fixed
It is equal to the formed punch to the distance of 13 bottom plate of fixed plate at the top of the upper surface of the pressure plate 11, the limited block 14
Punching depth.The concave template 20 is equipped with multiple inner guiding posts 23 above, and the pressure plate 11 is arranged below multiple interior to be led with described
The corresponding guide pillar hole 15 of column 23, the concave template 20 are additionally provided with locating piece 18 corresponding with the location hole of workpiece above.Institute
It states inner guiding post 23 and guides 11 direction of pressure plate, limited block 14 is for determining punching depth, protection pressure plate 11, formed punch and workpiece.
The square hole flanging formed punch 1 has multipair, and a pair of of square hole flanging formed punch 1 is symmetrically arranged at the two sides of the round punch 35,
The square hole flanging that processing generates is located at the outer side in both sides.The corresponding top plate 2 of each pair of square hole flanging formed punch 1, the top plate 2 are
The top plate 2 of the strip extended along a pair of of 1 setting direction of square hole flanging formed punch.Concave template 19 with the square hole flanging formed punch 1
Corresponding position is equipped with groove, and groove is located at the lower surface of concave template 19, at the top of die hole through-going recess herein, on top plate 2
It also is provided with the blanking hole of corresponding round punch 35.The top plate 2 is connected to the bottom portion of groove, the top plate 2 by little spring 3
The groove top is pressed in when bouncing.
It is fixed with push plate 4 in the fixed plate 13, the push plate 4 is symmetrically arranged at the two sides of the round punch 35 in pairs, and one
It is not less than the width of the concave template 20 to the distance between push plate 4, the length of the top plate 2 of the strip is greater than a pair of push plates
The top plate 2 is depressed template 19 in molding by the spacing between 4,4 lower end of push plate.The width of fixed plate 13 is equal to concave template
Push plate 4 can be fixed on to the two sides of the fixed plate 13 in the case where 20.The depth of the groove and the square hole flanging of workpiece
Height match, matching here refers to that depth is corresponding by the height of square hole flanging, and square hole flanging formed punch protrudes into the groove
Interior length is equal to cutting edge height and rushes the sum of square hole section height, and the range for rushing square hole section height is the height of square hole flanging
2~3 times, the depth of groove is equivalent to the sum of spring-compressed surplus, top plate thickness, top plate moving distance three, the above two are all
It can be used fixed numbers, and cutting edge height is in the case where inclined-plane cutting edge angle is constant and to rush square hole section height be all by the side
Hole flanging is highly relevant.
The spring pocket for installing the little spring 3 is also provided with by the top plate 2 and the lower template 19.Molding completely
When, top plate 2 is pressed to lower template 19 by the push plate 4, and after upper and lower mould separates, 4 bottom surface of push plate is extended downwardly more than pressure plate
The distance of 11 bottoms and the height of the square hole flanging match, and the two is of substantially equal, and 4 bottom surface of push plate, which extends downwardly, is more than
The distance of 11 bottom of pressure plate can be somewhat larger.In this way when pressure plate 11 is pressed on workpiece, top plate 2 is depressed in the push plate 4,
The distance between the sinking of top plate 2 and pressure plate 11 are not less than the height of square hole flanging, prevent the cutting edge 101 of square hole flanging formed punch 1
Top plate 2 is in contact or collided with top plate 2 to jack up workpiece when little spring 3 is sprung back, and prevents workpiece after flange from taking off convenient for demoulding
Mould.
The die cut section of the square hole flanging formed punch 1 is from top to bottom divided into arc section 103, rushes square hole section 102 and sword
Mouth 101, the following side of the arc section 103 is to be transitioned into the cambered surface for rushing 102 side of square hole section, on the square hole flanging of workpiece
Fillet matches, and the side arc surface matched with fillet on the square hole flanging, the circle also are provided on the die hole 21
Segmental arc 103 and the side arc surface enable the fillet of square hole flanging form.Die hole 21 corresponding with the square hole flanging formed punch 1
The square hole flanging side between the square hole flanging formed punch 1 there are with the square hole flanging thickness be adapted at a distance from,
Therefore the shape and the shape after square hole flanging of the die hole 21 match.
The cutting edge 101 is inclined-plane cutter shape, and the square hole section 102 of rushing is the square that shape is matched with workpiece upper aperture
Shape cylinder, the inclined-plane and the arc surface of the cutting edge 101 are both facing to the square hole flanging side.The square hole section 102 of rushing
Length range is 2~3 times of the height of the square hole flanging, and the angle α range on the inclined-plane and punching direction of the cutting edge 101 is
20 °~30 °.This structure can guarantee the quality of punching rear hole flanging, prevent from cracking.
The present invention once molds a variety of works that can be achieved with rushing workpiece circular hole, square hole flanging and cutting by the mold
Sequence.The processing of same mold enables the size distance of product more stable accurate, avoids the knot that burr is excessive, workpiece takes off mould after flange
Fruit.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, it is or not improved as long as using the improvement for the various unsubstantialities that the method for the present invention conception and technical scheme carry out
Present inventive concept and technical solution are directly applied into other occasions, within that scope of the present invention.
Claims (10)
1. a kind of aluminium alloy sheet rushes circular hole, square hole flanging and compound shearing die, including cope plate (9), lower template (19), lead outside
Set (10), is mounted on the following fixed plate (13) of the cope plate (9), is fixed on the lower template (19) outer guiding post (17)
Concave template (20) and the pressure plate (11) that is slidably mounted below the fixed plate (13), fixed peace on the fixed plate (13)
Equipped with several formed punches, the pressure plate (11) is connect by big spring (12) with the fixed plate (13), the concave template (20)
It is equipped with die hole (21) corresponding with the formed punch, it is characterised in that: the formed punch includes several circular hole formed punches, is mounted on
The cutting formed punch (8) and square hole flanging formed punch (1) of fixed plate (13) end, the concave template (20) are turned over the square hole
The lower surface of the corresponding position of side formed punch (1) is equipped with groove, is slidably fitted with top plate (2) in the groove, and the top plate (2) is logical
It crosses little spring (3) to be connected with the lower template (19), the top plate (2) withstands on the top surface of the groove, the fixation when bouncing
Plate (13) is fixed with push plate (4), and the top plate (2) is pressed to the lower template (19), institute in molding by push plate (4) lower end
Cope plate (9), fixed plate (13) and the pressure plate (11) stated are using multiple big clamping screw (16) connections.
2. a kind of aluminium alloy sheet according to claim 1 rushes circular hole, square hole flanging and compound shearing die, feature exists
In: the circular hole formed punch includes that the different round punch one (6) of diameter, round punch two (7) and round punch three (5), the square hole turn over
Side formed punch (1) has multipair, and each pair of square hole flanging formed punch (1) is symmetrically arranged at the two sides of the round punch three (5), each pair of square hole flanging
Corresponding position is equipped with a top plate (2) under formed punch (1).
3. a kind of aluminium alloy sheet according to claim 2 rushes circular hole, square hole flanging and compound shearing die, feature exists
In: after upper and lower mould separates, push plate (4) bottom surface extends downwardly distance and the square hole flanging more than pressure plate (11) bottom
Height match.
4. a kind of aluminium alloy sheet according to claim 1 rushes circular hole, square hole flanging and compound shearing die, feature exists
In: pressure plate (11) upper surface and the fixed plate (13) lower surface be designed with install the big spring (12) spring it is recessed
Hole, top plate (2) lower surface and the lower template (19) upper surface be also provided with install the little spring (3) spring it is recessed
Hole, the height of the square hole flanging of the depth and workpiece of concave template (20) lower surface groove match.
5. a kind of aluminium alloy sheet according to claim 1 rushes circular hole, square hole flanging and compound shearing die, feature exists
In: the pressure plate (11) is equipped with several stepped holes, and small clamping screw (22) passes through the stepped hole, and limited block (14) are solid
It is scheduled on the upper surface of the pressure plate (11), the distance that the fixed plate (13) bottom plate is arrived at the top of the limited block (14) is equal to institute
State the punching depth of formed punch.
6. a kind of aluminium alloy sheet according to claim 1 rushes circular hole, square hole flanging and compound shearing die, feature exists
It is matched in: the circular hole formed punch and the cutting formed punch (8) with corresponding die hole (21) shape, the square hole flanging formed punch
(1) shape and the shape after square hole flanging of corresponding die hole (21) match.
7. a kind of aluminium alloy sheet according to claim 1 rushes circular hole, square hole flanging and compound shearing die, feature exists
Multiple inner guiding posts (23) are equipped with above in: the concave template (20), the pressure plate (11) is arranged below multiple interior leads with described
The corresponding guide pillar hole (15) of column (23), the concave template (20) are additionally provided with the locating piece (18) to workpiece positioning above.
8. a kind of aluminium alloy sheet according to claim 3 rushes circular hole, square hole flanging and compound shearing die, feature exists
Symmetrically be fixed on fixed plate (13) two sides at round punch three (5) position in pairs in: the push plate (4), a pair of push plates (4) it
Between distance be not less than the width of the concave template (20), the length of the top plate (2) of the strip is greater than between a pair of push plates (4)
Spacing.
9. a kind of aluminium alloy sheet according to claim 1 rushes circular hole, square hole flanging and compound shearing die, feature exists
Arc section (103) is from top to bottom divided into: the die cut section of the square hole flanging formed punch (1), rushes square hole section (102) and sword
Mouth (101), the arc section (103) match with the fillet on the square hole flanging of workpiece, also are provided on the die hole (21)
The side arc surface to match with fillet on the square hole flanging, the cutting edge (101) is inclined-plane cutter shape, described to rush square hole
Section (102) is the rectangular cylinder that shape is matched with workpiece upper aperture, the inclined-plane of the cutting edge (101) and the arc surface all courts
To the square hole flanging side.
10. a kind of aluminium alloy sheet according to claim 9 rushes circular hole, square hole flanging and compound shearing die, feature exists
In: the length range for rushing square hole section (102) be 2~3 times of the height of the square hole flanging, the cutting edge (101) it is oblique
The angle α in face and punching direction is 20 °~30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201867.8A CN109248959A (en) | 2018-10-16 | 2018-10-16 | A kind of aluminium alloy sheet rushes circular hole, square hole flanging and compound shearing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201867.8A CN109248959A (en) | 2018-10-16 | 2018-10-16 | A kind of aluminium alloy sheet rushes circular hole, square hole flanging and compound shearing die |
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| Publication Number | Publication Date |
|---|---|
| CN109248959A true CN109248959A (en) | 2019-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811201867.8A Pending CN109248959A (en) | 2018-10-16 | 2018-10-16 | A kind of aluminium alloy sheet rushes circular hole, square hole flanging and compound shearing die |
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| CN (1) | CN109248959A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479849A (en) * | 2019-08-30 | 2019-11-22 | 四川航天长征装备制造有限公司 | A kind of valve block mold |
| CN116532573A (en) * | 2023-07-06 | 2023-08-04 | 山东华建铝业集团有限公司 | Aluminum alloy plate flanging mechanism |
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| CN108097805A (en) * | 2017-12-11 | 2018-06-01 | 郑州诚合信息技术有限公司 | A kind of flanging die with automatic material jacking mechanism |
| CN209109977U (en) * | 2018-10-16 | 2019-07-16 | 芜湖勤惠科技有限公司 | A kind of aluminium alloy sheet rushes circular hole, rushes square hole flanging and compound shearing die |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110479849A (en) * | 2019-08-30 | 2019-11-22 | 四川航天长征装备制造有限公司 | A kind of valve block mold |
| CN116532573A (en) * | 2023-07-06 | 2023-08-04 | 山东华建铝业集团有限公司 | Aluminum alloy plate flanging mechanism |
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