CN109047449A - A kind of stamping die buffering formed punch - Google Patents

A kind of stamping die buffering formed punch Download PDF

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Publication number
CN109047449A
CN109047449A CN201811048600.XA CN201811048600A CN109047449A CN 109047449 A CN109047449 A CN 109047449A CN 201811048600 A CN201811048600 A CN 201811048600A CN 109047449 A CN109047449 A CN 109047449A
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CN
China
Prior art keywords
formed punch
mounting blocks
side wall
sliding block
cavity
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Granted
Application number
CN201811048600.XA
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Chinese (zh)
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CN109047449B (en
Inventor
耿攀
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Anhui Yingli Electronic Technology Co., Ltd.
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耿攀
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Priority to CN201811048600.XA priority Critical patent/CN109047449B/en
Priority to CN201911003986.7A priority patent/CN110605328B/en
Publication of CN109047449A publication Critical patent/CN109047449A/en
Application granted granted Critical
Publication of CN109047449B publication Critical patent/CN109047449B/en
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Classifications

    • 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
    • B21D28/14Dies

Abstract

The invention discloses a kind of stamping die buffering formed punches, including mounting blocks, installation cavity is equipped in the mounting blocks, and sliding block is slidably connected in installation cavity, the downside side wall of the sliding block is equipped with the formed punch being vertically arranged, and formed punch far from sliding block side through mounting blocks side wall and with its setting that is slidably connected, the upper inside walls of the mounting blocks are equipped with the first cavity being laterally arranged, and first is equipped with upper capacitor board in cavity, the second cavity being laterally arranged is equipped in the sliding block, and second is equipped with the lower capacitor board being parallel to each other with upper capacitor board in cavity, the side side wall of the mounting blocks is equipped with power interface, and power interface is electrically connected by conducting wire and upper capacitor board and lower capacitor board, ER fluid is filled between the upper inside walls and sliding block of the mounting blocks.In the present invention, which can fully buffer formed punch with buffering formed punch, effectively prevent it that larger abrasion occurs, to improve its service life.

Description

A kind of stamping die buffering formed punch
Technical field
The present invention relates to technical field of mold more particularly to a kind of stamping die buffering formed punches.
Background technique
Stamping die is that material (metal or nonmetallic) is processed into part (or semi-finished product) in Cold Press Working A kind of special process equipment, referred to as cold punching die (being commonly called as cold-punching mould).
In practical punching course, the whole pair maximum component of die wear is undoubtedly formed punch, thus can generally select hardness Higher formed punch carries out stamping press, in punching course repeatedly, since formed punch directly contacts firmly with punching plate, generates suddenly Great stress can make the degree of wear higher.In addition, for the punching plate of different-thickness, due to blanking pressure size not Together, so that the degree of wear to formed punch is also not quite similar.And the formed punch after wearing needs to replace immediately, what is otherwise processed rushes The quality for cutting out part not can guarantee.
For this purpose, it is proposed that a kind of stamping die is solved the above problems with buffering formed punch.
Summary of the invention
The purpose of the present invention is to solve problems of the prior art, and a kind of stamping die buffering proposed Formed punch.
To achieve the goals above, present invention employs following technical solutions:
A kind of stamping die buffering formed punch, including mounting blocks are equipped with installation cavity in the mounting blocks, and sliding in installation cavity Dynamic to be connected with sliding block, the downside side wall of the sliding block is equipped with the formed punch being vertically arranged, and formed punch runs through far from the side of sliding block The side wall of mounting blocks and with its setting that is slidably connected, the upper inside walls of the mounting blocks are equipped with the first cavity being laterally arranged, And first is equipped with upper capacitor board in cavity, is equipped with the second cavity being laterally arranged in the sliding block, and be equipped in the second cavity with The side side wall of the lower capacitor board that upper capacitor board is parallel to each other, the mounting blocks is equipped with power interface, and power interface passes through Conducting wire and upper capacitor board and lower capacitor board are electrically connected, and are become between the upper inside walls and sliding block of the mounting blocks filled with electric current Liquid, the outside side wall of the formed punch on the outside of mounting blocks are equipped with annular shoulder block, are arranged on the outside side wall of the formed punch There is a spring, and the both ends of spring offset with the side wall of mounting blocks and annular shoulder block setting respectively.
Preferably, it is symmetrically arranged with the fixed block being laterally arranged on the two sides side wall of the mounting blocks, and is equipped in fixed block Through the bolt hole of setting.
Preferably, circular array shows multiple guide grooves on the side wall that the mounting blocks are in contact with formed punch, the formed punch Circular array shows multiple guide pads to match with guide groove on outside side wall.
Preferably, the outside side wall of the sliding block is equipped with annular groove, and O-ring seal is arranged in annular groove.
Preferably, the side side wall of the mounting blocks is equipped with liquid injection port, and cock is threaded in liquid injection port.
Preferably, the upside side wall of the installation cavity is elastic surface.
Compared with prior art, the beneficial effects of the present invention are:
The stamping die passes through the cooperation of sliding block, ER fluid, spring, upper capacitor board and lower capacitor board with buffering formed punch, When formed punch and punching plate contact, spring contraction, to avoid formed punch that hard contact occurs, by biggish mutation stress, separately Outside, ER fluid is under the voltage effect that upper capacitor board and lower capacitor board generate, and viscosity changes, and according to stamping press Size, the mobile distance of slide plate changes, so that the viscosity of ER fluid also changes, so as in due course to formed punch into Row buffering is adequately protected it, and then can guarantee the quality of blanking part;
By setting guide pad and guide groove, can make in punching course, movement of the formed punch in installation cavity is more Add stabilization, keeps vertical, will not shift, to avoid breakage punch head.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of stamping die proposed by the present invention buffers formed punch;
Fig. 2 is the structural schematic diagram in Fig. 1 at A;
Fig. 3 is the schematic diagram of the section structure for the mounting blocks that a kind of stamping die proposed by the present invention buffers formed punch.
In figure: 1 mounting blocks, 2 ER fluids, 3 first cavitys, capacitor board, 5 fixed blocks, 6 bolts hole, 7 installation cavitys, 8 on 4 Guide pad, 9 springs, 10 annular shoulder blocks, 11 formed punches, 12 sliding blocks, 13 second cavitys, 14 lower capacitor boards, 15O type sealing ring, 16 rings Connected in star, 17 guide grooves.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top", The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with Specific orientation construction and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-3, a kind of stamping die is equipped with installation cavity 7 with formed punch, including mounting blocks 1 is buffered in mounting blocks 1, and Sliding block 12 is slidably connected in installation cavity 7, the upside side wall of installation cavity 7 is elastic surface, it is ensured that sliding block 12 squeezes electric current and becomes When liquid 2, and deformation occurs for side wall, so that sliding block 12 can move up, to change upper capacitor board 4 and lower capacitor board 14 Voltage so that the viscosity of ER fluid 2 changes therewith, the side side wall of mounting blocks 1 is equipped with liquid injection port, and liquid injection port In be threaded with cock, ER fluid 2 can be replaced in due course, be symmetrically arranged with transverse direction on the two sides side wall of mounting blocks 1 The fixed block 5 of setting, and the bolt hole 6 through setting is equipped in fixed block 5, convenient for securing the device in stamping die On punch retainer, circular array shows multiple guide grooves 17, the outside of formed punch 11 on the side wall that mounting blocks 1 are in contact with formed punch 11 Circular array shows multiple guide pads 8 to match with guide groove 17 on side wall, and avoiding formed punch 11 from delivering in punching course can be partially It moves, to guarantee the stability and verticality of its movement, then guarantees that formed punch 11 will not be broken off, set on the downside side wall of sliding block 12 There is the formed punch 11 being vertically arranged, the outside side wall of sliding block 12 is equipped with annular groove 16, and is arranged in annular groove 16 O-shaped close Seal 15 prevents the ER fluid 2 filled in installation cavity 7 from flowing out, and side of the formed punch 11 far from sliding block 12 is through mounting blocks 1 Side wall and with its setting that is slidably connected, the upper inside walls of mounting blocks 1 are equipped with the first cavity 3 being laterally arranged, and the first cavity 3 In be equipped with upper capacitor board 4, the second cavity 13 being laterally arranged is equipped in sliding block 12, and be equipped in the second cavity 13 and upper capacitor board The 4 lower capacitor boards 14 being parallel to each other, the side side walls of mounting blocks 1 are equipped with power interface, and power interface by conducting wire with it is upper Capacitor board 4 and lower capacitor board 14 are electrically connected, and ER fluid 2, position are filled between the upper inside walls and sliding block 12 of mounting blocks 1 It is equipped with annular shoulder block 10 in the outside side wall of the formed punch 11 in 1 outside of mounting blocks, is arranged with spring on the outside side wall of formed punch 11 9, and the both ends of spring 9 offset with the side wall of mounting blocks 1 and annular shoulder block 10 setting respectively.
In the present invention, stamping die buffering formed punch is secured it within by the bolt hole 6 in bolt-through fixed block 5 On the punch retainer of mold, in addition, on the side wall of guide post fixing sleeve be equipped with travel switch utilize pressure in punching course Power machine drives upper mold to push, and formed punch 11 is contacted with punching plate first, so that spring 9 is shunk, so that formed punch 11 moves up one After segment distance, the guide sleeve in mold touches travel switch, then power supply is connected, thus upper capacitor board 4 and lower capacitor board 14 it Between form voltage, ER fluid 2 is due to Wen Saige phenomenon, under the action of voltage, so that the liquid viscosity of ER fluid 2 increases Greatly, to offset after formed punch 11 rises a small distance with ER fluid 2, since the upper side wall of installation cavity 7 is elastic surface, Then sliding block 12 pushes ER fluid 2 and makes installation cavity 7 that flexible deformation occur, and then is combined with spring 9 and ER fluid 2 Buffer function can contact firmly with punching plate to avoid formed punch 11, cause its degree of wear larger, improve its service life;
In addition, for the punching plate of different-thickness, set stamping press is different, in punching course, formed punch 11 with After being punched plate contact, due to the contraction of spring 9, avoid formed punch 11 by unexpected stress, as sliding block 12 squeezes electric current During becoming liquid 2, with the difference of stamping press, the distance moved up is also not quite similar sliding block 12, due to upper capacitor board 4 with Capacitor keeps certain between lower capacitor board 14, and when stamping press is larger, the distance moved up is larger, then voltage increases, thus The viscosity of ER fluid 2 increases, so as to carry out the adjust automatically of viscosity, Jin Erke according to the size of different stamping presses in due course Adequately to be buffered to formed punch 11, avoid it by biggish abrasion.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (6)

1. a kind of stamping die buffering formed punch, including mounting blocks (1), which is characterized in that be equipped with installation in the mounting blocks (1) Chamber (7), and sliding block (12) are slidably connected in installation cavity (7), the downside side wall of the sliding block (12), which is equipped with, to be vertically arranged Formed punch (11), and formed punch (11) far from sliding block (12) side through mounting blocks (1) side wall and with its setting that is slidably connected, institute The upper inside walls for stating mounting blocks (1) are equipped with the first cavity (3) being laterally arranged, and upper capacitor board is equipped in the first cavity (3) (4), it is equipped with the second cavity (13) being laterally arranged in the sliding block (12), and is equipped with and upper capacitor board in the second cavity (13) (4) the lower capacitor board (14) being parallel to each other, the side side wall of the mounting blocks (1) is equipped with power interface, and power interface is logical It crosses conducting wire and upper capacitor board (4) and lower capacitor board (14) is electrically connected, the upper inside walls of the mounting blocks (1) and sliding block (12) Between be filled with ER fluid (2), the outside side wall for being located at the formed punch (11) on the outside of mounting blocks (1) is equipped with annular shoulder block (10), be arranged with spring (9) on the outside side wall of the formed punch (11), and the both ends of spring (9) respectively with mounting blocks (1) and ring The side wall of shape shoulder block (10) offsets setting.
2. a kind of stamping die according to claim 1 buffering formed punch, which is characterized in that the two of the mounting blocks (1) It is symmetrically arranged with the fixed block (5) being laterally arranged on the side wall of side, and is equipped with the bolt hole (6) through setting in fixed block (5).
3. a kind of stamping die according to claim 1 buffering formed punch, which is characterized in that the mounting blocks (1) and punching Circular array is shown multiple guide grooves (17) on the side wall that head (11) is in contact, annular array on the outside side wall of the formed punch (11) There are multiple guide pads (8) to match with guide groove (17).
4. a kind of stamping die according to claim 1 buffering formed punch, which is characterized in that the outside of the sliding block (12) Side wall is equipped with annular groove (16), and O-ring seal (15) are arranged in annular groove (16).
5. a kind of stamping die according to claim 1 buffering formed punch, which is characterized in that the one of the mounting blocks (1) Side side wall is equipped with liquid injection port, and cock is threaded in liquid injection port.
6. a kind of stamping die according to claim 1 buffering formed punch, which is characterized in that the installation cavity (7) it is upper Side side wall is elastic surface.
CN201811048600.XA 2018-09-10 2018-09-10 A kind of stamping die buffering formed punch Active CN109047449B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811048600.XA CN109047449B (en) 2018-09-10 2018-09-10 A kind of stamping die buffering formed punch
CN201911003986.7A CN110605328B (en) 2018-09-10 2018-09-10 Buffer punch for stamping die and stamping method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811048600.XA CN109047449B (en) 2018-09-10 2018-09-10 A kind of stamping die buffering formed punch

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CN109047449B CN109047449B (en) 2019-12-03

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109773587A (en) * 2019-01-31 2019-05-21 泉州装备制造研究所 A kind of power control precise machining equipment
CN111531147A (en) * 2020-05-16 2020-08-14 肖航 Temperature control and self-telescopic rear cavity ejection device for die-casting die
CN112372953A (en) * 2020-10-22 2021-02-19 吴懋萱 Plate glass edge-covering injection molding device
CN112893006A (en) * 2021-01-15 2021-06-04 厦门奈克斯新材料有限公司 Spraying device is used in sticky goods production of industry of protection type
CN113618569A (en) * 2021-10-13 2021-11-09 南通泾达船用轴瓦有限公司 Bearing bush grinding device
CN114260373A (en) * 2022-01-06 2022-04-01 靖江市联友模具制造有限公司 Die buffering device for machining stamping die

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CN108944565B (en) * 2018-09-17 2021-06-18 云南人民电力电气有限公司 Novel anti-collision charging pile
CN111645267B (en) * 2020-06-02 2021-08-31 太仓信诚精密模具有限公司 Injection mold with spherical workpiece without penetrating through special-shaped hole
CN111872231A (en) * 2020-07-20 2020-11-03 安徽省巢湖市共力链条有限公司 Buffer punch for stamping die
CN112296240A (en) * 2020-10-12 2021-02-02 湖州浪佩智能科技有限公司 Fixing method of hollow spherical workpiece for riveting press
CN112303166A (en) * 2020-10-27 2021-02-02 郑学威 Flexible buffer type bumper shock absorber locking equipment
CN112981623B (en) * 2021-02-05 2022-06-14 桐乡市盈迈服饰有限公司 Energy-saving yarn drafting device with over-stretching prevention function

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US4026192A (en) * 1971-11-12 1977-05-31 Atlas Copco Aktiebolag Motor driven by a pressurized fluid medium for operating an impacting tool in a linear direction
JPS5626627A (en) * 1979-08-10 1981-03-14 Aida Eng Ltd Buffer for breakthrough of press
EP0659547A1 (en) * 1992-09-02 1995-06-28 Kabushiki Kaisha Komatsu Seisakusho Breakthrough buffer for presses and control method therefor
CN1136989A (en) * 1995-05-29 1996-12-04 株式会社不二越 Vibration finishing method and apparatus for same
CN202021499U (en) * 2011-03-30 2011-11-02 嘉兴学院 Semi-automatic machine tool vibration isolation device based on magneto-rheological damping technology
CN103506504A (en) * 2012-06-29 2014-01-15 成都陵川特种工业有限责任公司 Mechanism for buffering pressure during punching occlusion of automobile rear silencer shell
CN203621248U (en) * 2013-12-05 2014-06-04 昆山市珍和模具五金机械有限公司 Constant-pressure type cup punching die
CN106001275A (en) * 2016-06-30 2016-10-12 昆山华航威泰机器人有限公司 Puncher pin mechanism with buffer function

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109773587A (en) * 2019-01-31 2019-05-21 泉州装备制造研究所 A kind of power control precise machining equipment
WO2020155630A1 (en) * 2019-01-31 2020-08-06 泉州装备制造研究所 Force-controlled precision machining apparatus
CN111531147A (en) * 2020-05-16 2020-08-14 肖航 Temperature control and self-telescopic rear cavity ejection device for die-casting die
CN112372953A (en) * 2020-10-22 2021-02-19 吴懋萱 Plate glass edge-covering injection molding device
CN112893006A (en) * 2021-01-15 2021-06-04 厦门奈克斯新材料有限公司 Spraying device is used in sticky goods production of industry of protection type
CN112893006B (en) * 2021-01-15 2022-07-08 厦门奈克斯新材料有限公司 Spraying device is used in sticky goods production of industry of protection type
CN113618569A (en) * 2021-10-13 2021-11-09 南通泾达船用轴瓦有限公司 Bearing bush grinding device
CN114260373A (en) * 2022-01-06 2022-04-01 靖江市联友模具制造有限公司 Die buffering device for machining stamping die
CN114260373B (en) * 2022-01-06 2022-10-25 靖江市联友模具制造有限公司 Die buffering device for machining stamping die

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Publication number Publication date
CN110605328A (en) 2019-12-24
CN110605328B (en) 2020-11-13
CN109047449B (en) 2019-12-03

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