CN110732590A - novel small-space multi-hole-site inclined punching structure and punching method thereof - Google Patents

novel small-space multi-hole-site inclined punching structure and punching method thereof Download PDF

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Publication number
CN110732590A
CN110732590A CN201911081564.1A CN201911081564A CN110732590A CN 110732590 A CN110732590 A CN 110732590A CN 201911081564 A CN201911081564 A CN 201911081564A CN 110732590 A CN110732590 A CN 110732590A
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China
Prior art keywords
die
punching
seat
upper die
workpiece
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Pending
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CN201911081564.1A
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Chinese (zh)
Inventor
郭宏林
张勇
陈利
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FINEFORMING PRECISION ENGINEERING Co Ltd
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FINEFORMING PRECISION ENGINEERING Co Ltd
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Application filed by FINEFORMING PRECISION ENGINEERING Co Ltd filed Critical FINEFORMING PRECISION ENGINEERING Co Ltd
Priority to CN201911081564.1A priority Critical patent/CN110732590A/en
Publication of CN110732590A publication Critical patent/CN110732590A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/24Perforating, i.e. punching holes
    • B21D28/34Perforating tools; Die holders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/02Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/04Centering the work; Positioning the tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • B21D37/12Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)

Abstract

The invention relates to a small-space multi-hole-position inclined punching novel structure which comprises an upper die and a lower die which can be opened and closed relatively, wherein a workpiece accommodating cavity is formed in the lower part of the upper die, a plurality of side punching punches are arranged in the workpiece accommodating cavity, a side punching die for supporting a workpiece is arranged on the lower die, a plurality of side punching punches capable of performing upper and lower side punching relative to the side punching die are arranged in the workpiece accommodating cavity, a driving punch seat and a discharging plate insert are sleeved on a end of the side punching punch with a punching head, and a cushion block which is abutted against the other end of the side punching punch and corresponds to the driving punch seat.

Description

novel small-space multi-hole-site inclined punching structure and punching method thereof
Technical Field
The invention relates to the field of machining, in particular to the field of machining of metal parts, and particularly relates to a novel small-space multi-hole-position inclined punching structure.
Background
In the prior art, for example, the patent name of a punching die (patent application number: CN 201720479966.7) discloses punching dies which comprise a lower die holder, a female die, a guide plate, an impact block and a male die, wherein holes are formed in the lower die holder, the female die is installed and limited on the lower die holder, a blank placing position for positioning blanks is arranged on the female die, a material guide cutting edge channel is arranged on the female die, the guide plate is installed and limited on the lower die holder and is positioned on the upper side of the female die, a male die guide channel is arranged on the guide plate, the male die is contained in the male die guide channel, the male die is matched with the female die under the impact of the impact block to shear the blanks placed on the blank placing position, and then the blanks and sheared shear materials sequentially pass through the material guide cutting edge channel and the holes.
Therefore, the punching operation is realized through the opening and closing of the upper die and the lower die, the existing punching industry has the problems that the side punching structure of a product is single , and the plurality of side punching spaces of small parts are insufficient.
However, in the prior art, a plurality of positions on the same plane can be punched simultaneously for a planar workpiece, but a plurality of technical problems exist for carrying out multi-angle and multi-direction embossing operation on the side surface of a part with depth, for example, how to carry out multi-direction embossing operation on a similar circular cavity inclined surface system of the part through a plurality of die punches, how to realize convenient and rapid demoulding operation, and the technical problems need to be solved by the technical personnel in the field.
Disclosure of Invention
The invention overcomes the defects of the prior art, provides novel small-space multi-hole-position inclined punching structures, can complete the punching operation of on multiple positions of the inclined surface in a part, and can realize quick demoulding.
In order to achieve the purpose, the technical scheme includes that the novel small-space multi-hole-position inclined punching structure comprises an upper die and a lower die which can be opened and closed relatively, a workpiece accommodating cavity is formed in the lower portion of the upper die, a plurality of side punching punches are arranged in the workpiece accommodating cavity, a side punching die for supporting a workpiece is arranged on the lower die, a plurality of side punching punches capable of performing upper and lower side punching relative to the side punching die are arranged in the workpiece accommodating cavity, a driving punch seat and a discharging plate insert are sleeved on ends, provided with punching heads, of the side punching punches, and cushion blocks, abutted against the other ends of the side punching punches, and corresponding to the driving punch seat.
In preferred embodiments of the present invention, the side punching head includes a limiting end limited between the cushion block and the driving punch seat, a telescopic rod passing through the through hole of the driving punch seat is arranged at the side of the limiting end , and the end of the telescopic rod, at which the punching head is arranged, passes through the second through hole of the stripper plate insert.
In preferred embodiments of the invention, a die plate insert is embedded in the lower die, and the side punching die is arranged in the die plate insert.
In preferred embodiments of the present invention, the side punching female die is embedded between the female die holder provided in the lower die and the lower die, and the side punching female die is provided with a plurality of punched holes and a third through hole communicated with the punched holes, and the third through hole is communicated with a chip groove provided on the lower die and communicated with the outside.
In preferred embodiments of the present invention, the upper mold comprises an upper mold mounting seat arranged on the outer side, an upper mold abutment seat is arranged on the lower portion of the upper mold mounting seat, a reset mechanism is arranged between the upper mold mounting seat and the upper mold abutment seat, and an elastic gap is reserved between the upper mold mounting seat and the reset mechanism through the reset mechanism.
In preferred embodiments of the present invention, the lower mold comprises a lower mold mounting seat arranged on the outer side, and a lower mold supporting seat is arranged on the lower mold mounting seat.
In preferred embodiments of the invention, the stripper plate insert is fixedly arranged in the workpiece accommodating cavity of the upper die, and the inner side of the stripper plate insert is provided with an abutting inclined cutting surface which is correspondingly abutted against the side punching die.
In preferred embodiments of the present invention, the end of the side punch provided with the punch head is capable of reciprocating through-going relative to the stripper plate insert.
In preferred embodiments of the present invention, the punching method of the novel structure of small-space multi-hole-site slant punching comprises:
a. opening the mold; separating and opening the upper die and the lower die;
b. feeding; sleeving the inner cavity of the workpiece on a side punching female die in the lower die, wherein a punched hole on the side punching female die is abutted against the wall of the inner cavity of the workpiece;
c. limiting the workpiece; pressing an upper die and a lower die with a workpiece, covering a workpiece accommodating cavity of an upper die abutting seat 2 on the workpiece placed on a lower die supporting seat of the lower die, and locking the workpiece through the upper die abutting seat and the lower die supporting seat;
d. punching a workpiece; continuing to press the upper die mounting seat in the upper die until the resetting mechanism between the upper die mounting seat and the upper die abutting seat is stressed and deformed, so that the upper die mounting seat and the upper die abutting seat extrude an elastic gap mutually;
at the moment, the punch seat and the cushion block are driven to move downwards, and the side punching punch is driven to move along the penetrating track on the stripper plate insert; the punching head penetrates through the discharging plate insert to impact a workpiece and then penetrates into a corresponding punched hole on the side punching female die.
e. Returning the material;
after punching is completed, force applied to the upper die mounting seat is cancelled or the upper die is lifted upwards, the resetting mechanism between the upper die mounting seat and the upper die abutting seat restores, and the elastic gap between the upper die mounting seat and the upper die abutting seat restores;
the upper die mounting seat drives the driving punch seat and the cushion block to move upwards, so that the driving side punch moves back upwards, the punching head of the driving side punch withdraws from the workpiece,
when the upper die is driven to move upwards, the upper die and the lower die are separated, and die opening is realized;
f. and taking out the workpiece.
The invention solves the defects existing in the background technology, and has the beneficial effects that:
the invention provides novel structures of small-space multi-hole-position inclined punching, which can realize punching operation on multiple positions of inclined surfaces in parts in a unified way and can realize rapid demoulding.
The sections of the side punching punches are locked between the cushion block and the driving punch seat, and the side punching punches are pushed to penetrate through the stripper plate insert to perform reciprocating punching action through the downward action of the cushion block and the driving punch seat relative to the stripper plate insert.
The side punching head end is locked between the cushion block and the driving punch head seat, and the reset mechanism restores the reset, the cushion block and the driving punch head seat move upwards relative to the stripper plate insert, so that the punching head of the side punching head returns into the stripper plate insert, and the die stripping operation is realized.
The die opening operation of the upper running-in lower die of the die is realized by locking the sections of the side punching punch between the cushion block and the driving punch seat, and driving the cushion block and the driving punch seat upwards relative to the stripper plate insert through the action of the upper die seat.
Drawings
The invention is further illustrated in the following description with reference to the figures and examples.
FIG. 1 is a schematic diagram of a closed mold structure in accordance with a preferred embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1;
FIG. 3 is a schematic view of the mold open configuration of the preferred embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3;
FIG. 5 is a schematic diagram of a prior art configuration;
wherein 1-upper die mount, 11-upper die base, 12-fixed die backing plate, 13-fixed plate, 2-upper die abutment, 21-stripper backing plate, 22-stripper, 3-lower die support, 31-anchor, 32-cavity plate, 33-cavity plate, 34-internal limiting rod, 4-lower die mount, 41-cavity plate, 42-lower die base, 5-reset mechanism, 51-stripper screw, 52-spring, 53-threaded ram, 61-driving punch base, 62-pad, 63-side punch, 631-limiting end, 632-telescopic rod, 633-punch, 64-stripper insert, 7-cavity mount, 71-side punch, 711-punch, 72-chip removal groove and 8-workpiece.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner and thus show only the components relevant to the invention.
As shown in fig. 1 to 4, the present embodiment discloses novel structures for small-space multi-hole-position oblique punching, which include an upper die and a lower die that can be opened and closed relatively, a workpiece accommodating cavity is provided at the lower part of the upper die, a plurality of side punching heads 63 are provided in the workpiece accommodating cavity, a side punching die 71 for supporting a workpiece 8 is provided on the lower die, a plurality of side punching heads 63 that can perform upper and lower side punching holes with respect to the side punching die 71 are provided in the workpiece accommodating cavity, a driving punch seat 61 and a discharging plate insert 64 that are sleeved on the end of the side punching head 63 with a head 633, and a spacer 62 that is abutted against the other end of the side punching head 63 and corresponds to the driving punch seat 61.
Specifically, in preferred embodiments of the invention, the upper die comprises an upper die mounting seat 1 arranged on the outer side and an upper die abutting seat 2 arranged on the lower portion of the upper die mounting seat 1, the upper die mounting seat 1 comprises an upper die seat 11 arranged on the outer side, a fixing plate backing plate 12 is arranged on the lower portion of the upper die seat 11, a fixing plate 13 is arranged on the lower portion of the fixing plate backing plate 12, the upper die abutting seat 2 comprises a stripper backing plate 21 close to the fixing plate 13, a stripper plate 22 is arranged on the lower portion of the stripper backing plate 21, a reset mechanism 5 is arranged between the fixing plate 13 of the upper die mounting seat 1 and the stripper backing plate 21 of the upper die abutting seat 2, and an elastic gap is reserved between the upper die mounting seat 1 and the reset mechanism 5 through elastic interval separation of the reset mechanism 5.
More specifically, a workpiece accommodating cavity corresponding to the lower die is arranged in the upper die abutting seat 2 of the upper die, a lower portion of the upper die seat 11 is fixedly connected with the driving punch seat 61 through a cushion block 62 which is arranged in the fixing plate abutting seat 12 in a penetrating manner through a connecting piece such as a screw piece and abuts against the fixing plate abutting seat 12, the other ends of the cushion block 62 and the driving punch seat 61 are movably arranged in the workpiece accommodating cavity of the upper die abutting seat 2 in a penetrating manner, the limiting end 631 of the side punch 63 is locked between the cushion block 62 and the driving punch seat 61 by the cushion block 62 and the driving punch seat 61, the expansion rod 632 arranged on the limiting end 631 side is arranged in the penetrating manner through a through hole in the driving punch seat 61, then the end of the punch head 633 arranged at the end of the expansion rod continues to be arranged in the through hole II in the discharging plate insert 64, and the end of the punch head 633.
In step , the stripper plate insert 64 is fixedly arranged in the workpiece receiving cavity of the upper die abutment seat 2, and the inner side of the stripper plate insert 64 is provided with an abutment chamfer which is correspondingly abutted against the side punch die 71.
Specifically, in preferred embodiments of the present invention, the lower die comprises a lower die mounting seat 4 disposed on the outer side, the lower die mounting seat 4 is provided with a lower die supporting seat 3, the lower die supporting seat 3 of the lower die comprises a fixing seat 31 corresponding to the upper die stripper plate 22, a cavity plate insert 33 for supporting the workpiece 8 is embedded in the fixing seat 31, a cavity plate 32 is disposed at the lower part of the fixing seat 31, the lower die mounting seat 4 comprises a cavity plate backing plate 41 disposed at the bottom of the cavity plate 32, and a lower die seat 42 is disposed at the lower part of the cavity plate backing plate 41.
A concave template insert 33 is embedded in the lower die, and the side punching concave die 71 is arranged in the concave template insert 33. The side punching female die 71 is embedded between the female die fixing seat 7 arranged in the lower die and the lower die; and the side punching female die 71 is provided with a plurality of punched holes 711 and a third through hole communicated with the punched holes 711, and the third through hole is communicated with a chip groove 72 which is arranged on the lower die and communicated with the outside.
The working principle is as follows:
as shown in fig. 3 and 4, the upper and lower dies are separated and opened; the inner cavity of the workpiece 8 is sleeved on the side punching concave die 71 in the lower die, and the punched hole 711 on the side punching concave die 71 is abutted against the inner cavity wall of the workpiece 8.
As shown in fig. 1 and 2, an upper die and a lower die on which a workpiece 8 is placed are pressed together. A workpiece accommodating cavity of the upper die abutting seat 2 of the upper die is covered on a workpiece 8 placed on the lower die supporting seat 3 of the lower die, and the workpiece 8 is locked by the upper die abutting seat 2 and the lower die supporting seat 3;
continuing to press the upper die mounting seat 1 in the upper die until the reset mechanism 5 between the upper die mounting seat 1 and the upper die abutting seat 2 is stressed and deformed, so that the upper die mounting seat 1 and the upper die abutting seat 2 mutually extrude an elastic gap; at the moment, the driving punch seat 61 and the cushion block 62 move downwards, and the driving side punch 63 moves along the penetrating track on the stripper plate insert 64; the punching head 633 penetrates through the stripper plate insert 64 to impact the workpiece 8 and then penetrates through the corresponding punched hole 711 in the side punching die 71.
As shown in fig. 3 and 4, after the punching is completed, the force applied to the upper die mounting base 1 is cancelled or the upper die is lifted upwards, the reset mechanism 5 between the upper die mounting base 1 and the upper die abutting base 2 is reset, and the elastic gap between the upper die mounting base 1 and the upper die abutting base 2 is reset; the upper die mounting seat 1 drives the driving punch seat 61 and the cushion block 62 to move upwards, so that the driving side punch 63 returns upwards, the punch 633 of the driving side punch 63 exits the workpiece 8, and when the upper die is driven to move upwards, the upper die and the lower die are separated to realize die opening; then, the workpiece is taken out.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (9)

  1. The novel structure comprises an upper die and a lower die which can be opened and closed relatively, wherein a workpiece accommodating cavity is formed in the lower portion of the upper die, a plurality of side punching heads (63) are arranged in the workpiece accommodating cavity, and a side punching die (71) for supporting a workpiece (8) is arranged on the lower die, and the novel structure is characterized in that a plurality of side punching heads (63) which can perform upper and lower side punching relative to the side punching die (71) and are arranged in the workpiece accommodating cavity, a driving punch seat (61) and a discharging plate insert (64) which are sleeved on ends of the side punching heads (63) with punching heads (633), and a cushion block (62) which is abutted against the other end of the side punching heads (63) and corresponds to the driving punch seat (61).
  2. 2. The novel structure of small-space multi-hole-site inclined punching of claim 1 is characterized in that the side punching head (63) comprises a limiting end (631) limited between the cushion block (62) and the driving punch seat (61), a telescopic rod (632) penetrating through a through hole in the driving punch seat (61) is arranged on the limiting end (631) side, and a end provided with a punching head (633) penetrates through a second through hole in the discharging plate insert (64).
  3. 3. The novel structure of small-space multi-hole-site inclined punch as claimed in claim 1, wherein: a concave template insert (33) is embedded in the lower die, and the side punching concave die (71) is arranged in the concave template insert (33).
  4. 4. The novel structure of small-space multi-hole-site inclined punch as claimed in claim 3, wherein: the side punching female die (71) is embedded between a female die fixing seat (7) arranged in the lower die and the lower die; and a plurality of punched holes (711) and a third through hole communicated with the punched holes (711) are formed in the side punching female die (71), and the third through hole is communicated with a chip groove (72) which is formed in the lower die and communicated with the outside.
  5. 5. The novel structure of small-space multi-hole-site inclined punch as claimed in claim 1, wherein: go up the mould including setting up last mould mount pad (1) in the outside, it leans on seat (2) to go up the mould mount pad (1) lower part to be provided with the mould, go up mould mount pad (1) with it leans on to go up to be provided with canceling release mechanical system (5) between seat (2), and reserve through canceling release mechanical system (5) and have the elastic gap between last mould mount pad (1) and canceling release mechanical system (5).
  6. 6. The novel structure of small-space multi-hole-site inclined punch as claimed in claim 1, wherein: the lower die comprises a lower die mounting seat (4) arranged on the outer side, and a lower die supporting seat (3) is arranged on the lower die mounting seat (4).
  7. 7. The novel structure of small-space multi-hole-site inclined punch as claimed in claim 1, wherein: the stripper plate insert (64) is fixedly arranged in the workpiece accommodating cavity of the upper die, and an abutting inclined cutting surface which is correspondingly abutted against the side punching die (71) is arranged on the inner side of the stripper plate insert (64).
  8. 8. The novel structure of small-space multi-hole-site inclined punching according to claim 2, characterized in that the end of the side punching punch (63) provided with the punching head (633) can perform reciprocating penetrating action relative to the stripper plate insert (64).
  9. 9. The method for punching a small-space multi-hole-site slant-punching novel structure as claimed in any of claims 1-8, wherein:
    a. opening the mold; separating and opening the upper die and the lower die;
    b. feeding; sleeving the inner cavity of the workpiece (8) on a side punching female die (71) in the lower die, and enabling a punching hole (711) on the side punching female die (71) to abut against the inner cavity wall of the workpiece (8);
    c. limiting the workpiece (8); pressing an upper die and a lower die with a workpiece (8), covering a workpiece accommodating cavity of an upper die abutting seat 2 on the workpiece (8) placed on a lower die supporting seat (3) of the lower die, and locking the workpiece (8) through the upper die abutting seat (2) and the lower die supporting seat (3);
    d. punching a workpiece (8); continuously pressing the upper die mounting seat (1) in the upper die until a reset mechanism (5) between the upper die mounting seat (1) and the upper die abutting seat (2) is stressed and deformed, so that an elastic gap is extruded between the upper die mounting seat (1) and the upper die abutting seat (2);
    at the moment, the punch seat (61) and the cushion block (62) are driven to move downwards, and the side punching punch (63) is driven to move along a penetrating track on the stripper plate insert (64); the punching head (633) penetrates through a corresponding punched hole (711) in the side punching die (71) after the stripper plate insert (64) impacts the workpiece (8);
    e. returning the material;
    after punching is finished, force applied to the upper die mounting seat (1) is cancelled or the upper die is lifted upwards, a reset mechanism (5) between the upper die mounting seat (1) and the upper die abutting seat (2) restores to reset, and an elastic gap between the upper die mounting seat (1) and the upper die abutting seat (2) restores;
    the upper die mounting seat (1) drives the driving punch seat (61) and the cushion block (62) to move upwards, so that the driving side punch (63) retracts upwards, the punch head (633) of the driving side punch (63) withdraws from the workpiece (8),
    when the upper die is driven to move upwards, the upper die and the lower die are separated, and die opening is realized;
    f. the workpiece (8) is taken out.
CN201911081564.1A 2019-11-07 2019-11-07 novel small-space multi-hole-site inclined punching structure and punching method thereof Pending CN110732590A (en)

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Application Number Priority Date Filing Date Title
CN201911081564.1A CN110732590A (en) 2019-11-07 2019-11-07 novel small-space multi-hole-site inclined punching structure and punching method thereof

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Application Number Priority Date Filing Date Title
CN201911081564.1A CN110732590A (en) 2019-11-07 2019-11-07 novel small-space multi-hole-site inclined punching structure and punching method thereof

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CN110732590A true CN110732590A (en) 2020-01-31

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115213291A (en) * 2022-08-30 2022-10-21 东莞市卓成五金科技有限公司 Workpiece rotating punching die

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Publication number Priority date Publication date Assignee Title
JPH08164431A (en) * 1994-12-12 1996-06-25 Toshiba Corp Press drilling device
CN201361659Y (en) * 2009-02-25 2009-12-16 江苏卡明模具有限公司 Trimming die for automobile oil pan
CN201558906U (en) * 2009-12-10 2010-08-25 昌辉(上海)科技集团股份有限公司 Slant face side punching type progressive die
CN202343700U (en) * 2011-11-28 2012-07-25 江铃汽车股份有限公司 Stripper plate and driving sliding block type oblique punching mold
CN103611776A (en) * 2013-11-18 2014-03-05 梧州恒声电子科技有限公司 Upper die side punching structure of progressive die
CN204320921U (en) * 2014-12-05 2015-05-13 广州海洋汽车零部件有限公司 The hole diel of a kind of auto parts integral type oblique impact
CN205763249U (en) * 2016-05-16 2016-12-07 上海新朋金属制品有限公司 A kind of diel for large-angle inclined punching
CN211027729U (en) * 2019-11-07 2020-07-17 苏州三维精密机械有限公司 Novel structure of small-space multi-hole-position inclined punch

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08164431A (en) * 1994-12-12 1996-06-25 Toshiba Corp Press drilling device
CN201361659Y (en) * 2009-02-25 2009-12-16 江苏卡明模具有限公司 Trimming die for automobile oil pan
CN201558906U (en) * 2009-12-10 2010-08-25 昌辉(上海)科技集团股份有限公司 Slant face side punching type progressive die
CN202343700U (en) * 2011-11-28 2012-07-25 江铃汽车股份有限公司 Stripper plate and driving sliding block type oblique punching mold
CN103611776A (en) * 2013-11-18 2014-03-05 梧州恒声电子科技有限公司 Upper die side punching structure of progressive die
CN204320921U (en) * 2014-12-05 2015-05-13 广州海洋汽车零部件有限公司 The hole diel of a kind of auto parts integral type oblique impact
CN205763249U (en) * 2016-05-16 2016-12-07 上海新朋金属制品有限公司 A kind of diel for large-angle inclined punching
CN211027729U (en) * 2019-11-07 2020-07-17 苏州三维精密机械有限公司 Novel structure of small-space multi-hole-position inclined punch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115213291A (en) * 2022-08-30 2022-10-21 东莞市卓成五金科技有限公司 Workpiece rotating punching die

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