CN104029021A - Stamping and cold heading device - Google Patents

Stamping and cold heading device Download PDF

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Publication number
CN104029021A
CN104029021A CN201410295018.9A CN201410295018A CN104029021A CN 104029021 A CN104029021 A CN 104029021A CN 201410295018 A CN201410295018 A CN 201410295018A CN 104029021 A CN104029021 A CN 104029021A
Authority
CN
China
Prior art keywords
stripper plate
cold
heading
punching press
die shoe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410295018.9A
Other languages
Chinese (zh)
Inventor
张鹏
李配宇
张亮
张青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KUNSHAN LEMTECH PRECISION MACHINERY CO Ltd
Original Assignee
KUNSHAN LEMTECH PRECISION MACHINERY CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KUNSHAN LEMTECH PRECISION MACHINERY CO Ltd filed Critical KUNSHAN LEMTECH PRECISION MACHINERY CO Ltd
Priority to CN201410295018.9A priority Critical patent/CN104029021A/en
Publication of CN104029021A publication Critical patent/CN104029021A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/02Machine tools for performing different machining operations
    • 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
    • B21D19/00Flanging or other edge treatment, e.g. of tubes
    • B21D19/12Edge-curling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/02Die forging; Trimming by making use of special dies ; Punching during forging
    • B21J5/027Trimming

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Punching Or Piercing (AREA)

Abstract

The invention relates to a stamping and cold heading device comprising an upper die and a lower die. The upper die comprises an upper die base, a stripper plate, an elastic element, a mounting plate, a stamping forming punch and a cold heading forming punch, the upper die base is connected with the stripper plate through a connecting element, the mounting plate is arranged between the upper die base and the stripping plate and fixedly connected with the upper die base, the elastic element is connected with the upper die base and can butt against the stripper plate along the vertical direction, the stamping forming punch and the cold heading forming punch which are connected with the mounting plate can penetrate the stripper plate in a vertical moving manner, the lower die comprises a lower support plate and a lower die base arranged on the lower support plate, and a stamping forming insert and a cold heading forming insert matched with the stamping forming punch and the cold heading forming punch respectively are arranged on the lower die base. The stamping and cold heading device can perform stamping and cold heading on products in same equipment, and is high in production efficiency; since the products can be shaped through cold heading, quality of the products is high.

Description

Punching press cold-heading device
Technical field
The present invention relates to automobile manufacturing field, be specifically related to a kind of punching press cold-heading device.
Background technology
Along with the fast development of China's economic construction and improving constantly of living standards of the people, the automotive demand of China is also in continuous increase, thereby brings huge pressure to automobile making.When producing automobile safety belt buckle, prior art generally all adopts casting technique, and this kind of mode inefficiency, cost are high, can not realize at short notice production in enormous quantities.For this reason, technical staff is studying and by casting technique, is changing production automobile safety belt buckle into Sheet Metal Forming Technology, but need to design for this reason, a kind of production efficiency is higher, the good decompressor of product quality.
Summary of the invention
In view of this, the present invention aims to provide that a kind of production efficiency is higher, the good punching press cold-heading device of product quality.
In order to realize object of the present invention, a kind of punching press cold-heading device of the present invention, it comprises the upper die and lower die that can relatively move up and down, described patrix comprises upper bolster, stripper plate, flexible member, installing plate, punch forming punching pin and cold-heading molding punching pin, between described upper bolster and described stripper plate, by Connection Element, connect, and can relatively move up and down between described upper bolster and stripper plate, described installing plate is arranged between described upper bolster and described stripper plate, and be fixedly connected with described upper bolster, described flexible member is connected with described upper bolster and can compresses along the vertical direction described stripper plate, described punch forming punching pin and cold-heading molding punching pin can pass described stripper plate up or down, and be connected with described installing plate, described counterdie comprises bottom plate and is arranged on the die shoe on described bottom plate, on described die shoe, be provided with that the punch forming matching with described punch forming punching pin and cold-heading molding punching pin respectively enters piece and cold-heading molding enters piece.
Preferably, described punching press cold-heading device also comprises guidance set, and described guidance set is fixedly connected with described upper bolster, and is slidably matched with described stripper plate and die shoe.
Preferably, described guidance set comprises guide post, upper lining, lower lining and block, described stripper plate is provided with fairlead, described die shoe is provided with lower fairlead, described guide post is through described stripper plate and described die shoe, the upper end of described guide post is fixedly connected with described upper bolster, the lower end of described guide post is connected with described block, described upper lining fixed cover is located at the outside of described guide post, and be arranged in described upper fairlead, be slidably matched with described upper fairlead, described lower lining slip cap is located at the outside of described guide post, and be arranged in described lower fairlead, be slidably matched with described lower fairlead, described block is positioned at the downside of described lower fairlead, and can promote described lower fairlead moves upward.
Preferably, in described die shoe, be also provided with de-material push rod and spring, described spring and de-material push rod extend along the vertical direction, one end of described spring is fixedly connected on described die shoe, the other end is connected with the lower end of described de-material push rod, described spring is under free state, and the upper end of described de-material push rod protrudes from the upper surface of described die shoe.
Preferably, described flexible member is air spring.
Preferably, described flexible member is when free state, and described punch forming punching pin and cold-heading molding punching pin lower end are positioned at described stripper plate.
Preferably, the lower end of described punch forming punching pin is lower than the lower end of described cold-heading molding punching pin.
Preferably, described stripper plate comprises large stripper plate and little stripper plate, and described little stripper plate is connected to the below of described large stripper plate, and the lateral dimension of described large stripper plate is greater than the lateral dimension of described little stripper plate.
Preferably, described Connection Element is contour screw, described contour screw comprises nut and screw rod, described screw rod comprises threaded portion and smooth department, and described smooth department is between described threaded portion and described nut, and described threaded portion is fixedly connected with described upper bolster, described smooth department is through described large stripper plate, and be slidably matched with described large stripper plate, described nut is arranged on the below of described large stripper plate, and can promote described large stripper plate and move up.
Preferably, on described die shoe, be provided with the groove that can take in described nut.
Punching press cold-heading device provided by the invention can carry out punching press and cold-heading to product in same equipment, and its production efficiency is higher, and owing to can product being carried out to shaping by cold-heading, makes the quality of product better.
Accompanying drawing explanation
Fig. 1 is the structural representation of the punching press cold-heading device that provides of the embodiment of the present invention.
Fig. 2 is the punching press view of the punching press cold-heading device that provides of the embodiment of the present invention.
Fig. 3 is the schematic diagram of the handled product of punching press cold-heading device that provides of the embodiment of the present invention.
The specific embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Please refer to Fig. 1 to Fig. 3, the embodiment of the present invention provides a kind of punching press cold-heading device, and it comprises the upper die and lower die that can relatively move up and down.
Patrix comprises upper bolster 1, stripper plate, flexible member 4, installing plate, punch forming punching pin 6 and cold-heading molding punching pin 7.Between upper bolster 1 and stripper plate, by Connection Element 7, connect, and can relatively move up and down between upper bolster 1 and stripper plate.Particularly, in a preferred embodiment, stripper plate comprises large stripper plate 8 and little stripper plate 9, and little stripper plate 9 is connected to the below of large stripper plate 8, and the lateral dimension of large stripper plate 8 (being also the length of horizontal direction and wide) is greater than the lateral dimension of little stripper plate 9.Further preferably, Connection Element 7 is contour screw, contour screw comprises nut and screw rod, and screw rod comprises threaded portion and smooth department, and smooth department is between threaded portion and nut, threaded portion is fixedly connected with by screw thread with upper bolster 1, smooth department passes large stripper plate 8, and is slidably matched with large stripper plate 8, and nut is arranged on the below of large stripper plate 8, when upper bolster 1 moves up, nut can promote large stripper plate 8 and move up with upper bolster 1.Correspondingly, in a preferred embodiment, be provided with the groove 17 that can take in nut on die shoe 14, when little stripper plate 9 is pressed on die shoe 14, nut is accommodated in groove 17.
Installing plate is arranged between upper bolster 1 and stripper plate, and is fixedly connected with upper bolster 1, is also that installing plate also can move up and down with respect to stripper plate.Particularly, in a preferred embodiment, installing plate comprises backing plate 2 and clamping plate 3, and clamping plate 3 are connected to the below of backing plate 2.Punch forming punching pin 6 and cold-heading molding punching pin 5 can pass stripper plate up or down, and are connected with installing plate.Particularly, interval predeterminable range between punch forming punching pin 6 and cold-heading molding punching pin 5, and respectively through clamping plate 3, be connected with backing plate 2.Punch forming punching pin 6 and cold-heading molding punching pin 5 are slidably matched with stripper plate 8 and little stripper plate 9.
Flexible member 4 is connected with upper bolster 1 and can compresses along the vertical direction stripper plate.Particularly, one end of flexible member 4 can be fixedly connected with upper bolster 1 by screw, and the other end compresses large stripper plate 8 downwards when punching press state.In a preferred embodiment, flexible member 4 is air spring, is specially nitrogen spring.
Counterdie comprises bottom plate 16 and is arranged on the die shoe 14 on bottom plate 16, and die shoe 14 is specifically arranged on bottom plate 16 by a plurality of feets 15.On die shoe 14, be provided with that the punch forming matching with punch forming punching pin 6 and cold-heading molding punching pin 5 respectively enters piece 18 and cold-heading molding enters piece 23.Punch forming enters in piece 18 to offer the punching press die cavity 19 matching with the drift of punch forming punching pin 6, and the drift of punch forming punching pin 6 can insert in punching press die cavity 19.
In a preferred embodiment, this punching press cold-heading device also comprises guidance set, and guidance set is fixedly connected with upper bolster 1, and is slidably matched with stripper plate and die shoe 14, relative motion between patrix and counterdie is led, so that mould is in correct direction even running.Particularly, guidance set can comprise guide post 10, upper lining 11, lower lining 25 and block 24.On large stripper plate 8, be fixedly installed fairlead 12, on die shoe 14, be fixedly installed lower fairlead 26.Guide post 10 is through large stripper plate 8 and die shoe 14, and the upper end of guide post 10 is fixedly connected with upper bolster 1, and the lower end of guide post 10 is fixedly connected with block 24.Upper lining 11 fixed covers are located at the outside of guide post 10, and are arranged in fairlead 12, are slidably matched with upper fairlead 12, and lower lining 25 slip caps are located at the outside of guide post 10, and are arranged in lower fairlead 26, are slidably matched with lower fairlead 26.Block 24 is positioned at the downside of lower fairlead 25, and can promote lower fairlead 25 and move upward.
In a preferred embodiment, in die shoe 14, be also provided with de-material push rod 22 and spring 21, spring 21 and de-material push rod 22 extend along the vertical direction, one end of spring 21 is fixedly connected on die shoe 14 by set screw 20, the other end is connected with the lower end of de-material push rod 22, spring 21 is under free state, and the upper end of de-material push rod 22 protrudes from the upper surface of die shoe 14, for by product 13 jack-up.
In a preferred embodiment, flexible member 4 is when free state, and the lower end of punch forming punching pin 6 and cold-heading molding punching pin 5 is all positioned at stripper plate, is also all to contract in little stripper plate 9 in the lower end of punch forming punching pin 6 and cold-heading molding punching pin 5.Further preferably, the lower end of punch forming punching pin 6 is lower than the lower end of cold-heading molding punching pin 5.
This punching press cold-heading device can first carry out punching press to product 13, and then carries out cold-heading.During punching press, product 13 is placed between upper die and lower die, and upper bolster 1 presses down, and stripper plate presses down thereupon, until withstood by de-material push rod 22.Upper bolster 1 continues to press down, and 4 pairs of large stripper plates 8 of flexible member are exerted pressure, and makes lower stripper 9 will take off material push rod 22 and spring 21 and depresses, and product 13 is pressed on die shoe 14.Upper bolster 1 continues to press down, and punch forming punching pin 6 stretches out in outside lower stripper 9, and the punching press die cavity 19 that enters piece 18 with punch forming matches, and stamps out turnup structure 27 as shown in Figure 3 on product 13.Then, will on upper bolster 1, draw, punch forming punching pin 6 is deviate from from punching press die cavity 19, and is retracted in lower stripper 9, and now lower stripper 9 is still pushed down product 13 under the effect of flexible member 4.In continuation, pull on die holder 1, large stripper plate 8 and little stripper plate 9, with moving on upper bolster 1, separate with die shoe 14, and de-material push rod 22 by product 13 jack-up, completes punching course under the effect of spring 21.
Then, by product 13 station that moves right, turnup structure 27 is aimed at cold-heading molding punching pin 5, then pressed down upper bolster 1, similar with punching course, make 5 pairs of turnup structures of cold-heading molding punching pin 27 carry out cold-heading, also the lower surface of turnup structure 27 is carried out to shaping, obtain cold-heading structure 28, then at the upper upper bolster 1 that moves, this punching press cold-heading device is resetted, complete time processing process.In the process of whole punching press and cold-heading, upper lining 11, lower lining 25 move up and down and move up and down in upper fairlead 12 and lower fairlead 26 with guide post 10, realize guide effect.
Punching press cold-heading device provided by the invention can carry out punching press and cold-heading to product in same equipment, and its production efficiency is higher, and owing to can product being carried out to shaping by cold-heading, makes the quality of product better.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.

Claims (10)

1. a punching press cold-heading device, it is characterized in that, comprise the upper die and lower die that can relatively move up and down, described patrix comprises upper bolster, stripper plate, flexible member, installing plate, punch forming punching pin and cold-heading molding punching pin, between described upper bolster and described stripper plate, by Connection Element, connect, and can relatively move up and down between described upper bolster and stripper plate, described installing plate is arranged between described upper bolster and described stripper plate, and be fixedly connected with described upper bolster, described flexible member is connected with described upper bolster and can compresses along the vertical direction described stripper plate, described punch forming punching pin and cold-heading molding punching pin can pass described stripper plate up or down, and be connected with described installing plate, described counterdie comprises bottom plate and is arranged on the die shoe on described bottom plate, on described die shoe, be provided with that the punch forming matching with described punch forming punching pin and cold-heading molding punching pin respectively enters piece and cold-heading molding enters piece.
2. punching press cold-heading device according to claim 1, is characterized in that, also comprises guidance set, and described guidance set is fixedly connected with described upper bolster, and is slidably matched with described stripper plate and die shoe.
3. punching press cold-heading device according to claim 2, it is characterized in that, described guidance set comprises guide post, upper lining, lower lining and block, described stripper plate is provided with fairlead, described die shoe is provided with lower fairlead, described guide post is through described stripper plate and described die shoe, the upper end of described guide post is fixedly connected with described upper bolster, the lower end of described guide post is connected with described block, described upper lining fixed cover is located at the outside of described guide post, and be arranged in described upper fairlead, be slidably matched with described upper fairlead, described lower lining slip cap is located at the outside of described guide post, and be arranged in described lower fairlead, be slidably matched with described lower fairlead, described block is positioned at the downside of described lower fairlead, and can promote described lower fairlead moves upward.
4. punching press cold-heading device according to claim 1, it is characterized in that, in described die shoe, be also provided with de-material push rod and spring, described spring and de-material push rod extend along the vertical direction, one end of described spring is fixedly connected on described die shoe, the other end is connected with the lower end of described de-material push rod, and described spring is under free state, and the upper end of described de-material push rod protrudes from the upper surface of described die shoe.
5. punching press cold-heading device according to claim 1, is characterized in that, described flexible member is air spring.
6. punching press cold-heading device according to claim 1, is characterized in that, described flexible member is when free state, and described punch forming punching pin and cold-heading molding punching pin lower end are positioned at described stripper plate.
7. punching press cold-heading device according to claim 6, is characterized in that, the lower end of described punch forming punching pin is lower than the lower end of described cold-heading molding punching pin.
8. punching press cold-heading device according to claim 1, it is characterized in that, described stripper plate comprises large stripper plate and little stripper plate, and described little stripper plate is connected to the below of described large stripper plate, and the lateral dimension of described large stripper plate is greater than the lateral dimension of described little stripper plate.
9. punching press cold-heading device according to claim 8, it is characterized in that, described Connection Element is contour screw, described contour screw comprises nut and screw rod, described screw rod comprises threaded portion and smooth department, described smooth department is between described threaded portion and described nut, described threaded portion is fixedly connected with described upper bolster, described smooth department is through described large stripper plate, and be slidably matched with described large stripper plate, described nut is arranged on the below of described large stripper plate, and can promote described large stripper plate and move up.
10. punching press cold-heading device according to claim 9, is characterized in that, is provided with the groove that can take in described nut on described die shoe.
CN201410295018.9A 2014-06-25 2014-06-25 Stamping and cold heading device Pending CN104029021A (en)

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CN201410295018.9A CN104029021A (en) 2014-06-25 2014-06-25 Stamping and cold heading device

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Application Number Priority Date Filing Date Title
CN201410295018.9A CN104029021A (en) 2014-06-25 2014-06-25 Stamping and cold heading device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105397746A (en) * 2015-12-10 2016-03-16 重庆大帝重工机械有限公司 Upper die and lower die storage and butt-joint method
CN115446243A (en) * 2022-09-30 2022-12-09 卓越紧固系统(上海)有限公司 Novel I-shaped bushing forming process

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1447570A (en) * 1973-12-22 1976-08-25 Ceske Z Motocyckove Np Manufacture of rollers for use in roller chains
US4716268A (en) * 1980-05-27 1987-12-29 Renz, Wacker & Co. Maschinenfabrik Method and apparatus for producing bimetallic contacts, especially bimetallic welded contacts
JP2005169492A (en) * 2003-12-10 2005-06-30 Sakamura Mach Co Ltd Multistage type heading forming machine
CN103302496A (en) * 2013-06-07 2013-09-18 江苏大学 Upsetting formed automobile framework piece progressive die and using method thereof
CN203317032U (en) * 2013-06-17 2013-12-04 宁波骏腾模具科技有限公司 Continuous stamping die for upsetting inner holes
CN203900877U (en) * 2014-06-25 2014-10-29 昆山联德精密机械有限公司 Stamping and cold heading device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1447570A (en) * 1973-12-22 1976-08-25 Ceske Z Motocyckove Np Manufacture of rollers for use in roller chains
US4716268A (en) * 1980-05-27 1987-12-29 Renz, Wacker & Co. Maschinenfabrik Method and apparatus for producing bimetallic contacts, especially bimetallic welded contacts
JP2005169492A (en) * 2003-12-10 2005-06-30 Sakamura Mach Co Ltd Multistage type heading forming machine
CN103302496A (en) * 2013-06-07 2013-09-18 江苏大学 Upsetting formed automobile framework piece progressive die and using method thereof
CN203317032U (en) * 2013-06-17 2013-12-04 宁波骏腾模具科技有限公司 Continuous stamping die for upsetting inner holes
CN203900877U (en) * 2014-06-25 2014-10-29 昆山联德精密机械有限公司 Stamping and cold heading device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105397746A (en) * 2015-12-10 2016-03-16 重庆大帝重工机械有限公司 Upper die and lower die storage and butt-joint method
CN115446243A (en) * 2022-09-30 2022-12-09 卓越紧固系统(上海)有限公司 Novel I-shaped bushing forming process

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Address after: Suzhou City, Jiangsu province 215300 Zhangpu town Kunshan city Wei Road No. 128

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Application publication date: 20140910