CN113118303A - One-out forming process based on progressive die - Google Patents

One-out forming process based on progressive die Download PDF

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Publication number
CN113118303A
CN113118303A CN201911419915.5A CN201911419915A CN113118303A CN 113118303 A CN113118303 A CN 113118303A CN 201911419915 A CN201911419915 A CN 201911419915A CN 113118303 A CN113118303 A CN 113118303A
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CN
China
Prior art keywords
station
progressive die
material belt
die
forming
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
CN201911419915.5A
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Chinese (zh)
Inventor
陈松龙
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.)
Weiye Precision Technology Huizhou Co ltd
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Weiye Precision Technology Huizhou 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 Weiye Precision Technology Huizhou Co ltd filed Critical Weiye Precision Technology Huizhou Co ltd
Priority to CN201911419915.5A priority Critical patent/CN113118303A/en
Publication of CN113118303A publication Critical patent/CN113118303A/en
Pending legal-status Critical Current

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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
    • B21D37/08—Dies with different parts for several steps in a process
    • 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/14—Dies
    • 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/34—Perforating tools; Die holders
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

The invention relates to a one-out-two forming process based on a progressive die, which belongs to the field of stamping processing and comprises the following steps: preparing a material belt: the width of the material belt is wider than twice of the width of the workpiece to be molded; setting a progressive die: the progressive die is provided with a plurality of stations for sequentially punching the material belt, and the stations on the progressive die are equidistantly arranged on the same straight line; punching operation: the material belt is moved at a fixed distance on the progressive die, and the male die on the progressive die moves once towards the corresponding female die once when the material belt moves once, so that one-time stamping operation is performed on two sides of the central line of the material belt in the length direction. The width of the material belt is wider than twice of the width of the workpiece to be formed, so that the progressive die can process two workpieces in the width direction of the material belt, each time of stamping operation of each station of the progressive die can simultaneously stamp the workpieces on two sides of the connected central line, and the processing efficiency can be effectively improved.

Description

One-out forming process based on progressive die
Technical Field
The invention relates to the field of stamping, in particular to a one-out-two forming process based on a progressive die.
Background
The progressive die consists of a plurality of stations, the stations are associated in sequence to finish different processing, a series of different punching processing is finished in one stroke of the punch, and the material belt moves once at a fixed distance every time the die finishes punching until the product is finished.
In the existing progressive die stamping process, the same material belt can only perform stamping processing on one workpiece at the same station, and the processing efficiency is low.
Disclosure of Invention
Accordingly, there is a need for a one-out-two molding process based on a progressive die, comprising the steps of:
preparing a material belt: the width of the material belt is wider than twice of the width of the workpiece to be molded;
the width in material area is wider than the twice of the width of the work piece that needs the shaping, consequently upgrades the mould and can process out two work pieces in the width direction in material area, and the punching press operation of each time of each station of upgrading the mould can both be stamped the work piece of the central line both sides of taking simultaneously, can effectively improve machining efficiency.
Setting a progressive die: the progressive die is provided with a plurality of stations for sequentially punching the material belt, the stations on the progressive die are equidistantly arranged on the same straight line, wherein each station of the progressive die comprises two male dies with the same shape and two female dies with the same shape;
the two female dies and the male dies of the stations on the progressive die are respectively positioned on two sides of the central line of the material belt, so that workpieces obtained after the progressive die punches the material belt can be supported by the central part of the material belt, and the workpieces can be guaranteed to synchronously move along with the material belt on the premise of simultaneously punching the two workpieces.
Punching operation: the material belt carries out the distance removal on upgrading the mould, and wherein the distance that the material belt distance removed equals with the distance between the adjacent station in the mould that upgrades, and the material belt is once removed, and the terrace die on the mould that upgrades removes once towards the corresponding die, carries out a punching operation to the both sides of the length direction's of material belt central line.
Further, the punching operation comprises the following steps:
feeding: the material belt enters the progressive die and sequentially passes through all stations of the progressive die in a fixed-distance moving manner in the progressive die;
the material belt is conveyed to the progressive die through the material belt conveying mechanism and is conveyed equidistantly along a straight line where the station on the progressive die is located, so that the distance of the material belt moving on the progressive die at each time is the same, and therefore after the material belt moves at each time, the part of the material belt, on which a workpiece is machined, is always located below the station on the progressive die, and the accuracy of the punching process is guaranteed.
Stamping: after each time of distance movement of the material strip, each station of the progressive die punches the material strip below the station, wherein the stations of the progressive die comprise a first trimming station, a deep drawing station, a shaping station, a punching station, a second trimming station, a forming station and a cutting station which are sequentially arranged along the conveying direction of the material strip;
the first trimming station is used for shearing the material belt to obtain a workpiece with a preliminary outline prototype, the shaping station is used for trimming a concave-convex structure of the workpiece to enable the concave-convex structure to meet the design requirement, the second trimming station is used for trimming the edge of the workpiece to enable the shape of the workpiece to meet the design requirement, and the cutting station is used for separating the workpiece from the material belt.
The specific stamping process of the material belt is as follows: after the first station of the progressive die performs stamping operation on the material belt, the stamped part of the material belt moves to the position below the next station, then the next station continues stamping the stamped part, meanwhile, the first station of the progressive die performs stamping on the material belt below the first station of the progressive die, then the part of the material belt stamped by the first station of the progressive die for the first time moves to the position below the third station of the progressive die to continue stamping, and at the moment, the part of the material belt stamped by the first station of the progressive die for the second time moves to the position below the second station of the progressive die and is stamped by the second station of the progressive die, so that the steps are repeated, and the continuous forming of workpieces is realized.
Wherein the content of the first and second substances,
further, the drawing station comprises a first drawing station and a second drawing station.
The first drawing station and the second drawing station are used for carrying out drawing and stamping operations for two times on the material belt, wherein the first drawing operation is used for stamping out a prototype of a drawing mechanism of a workpiece, the second drawing operation is used for enabling the drawing structure of the workpiece to be completely formed and meet design requirements, the drawing structure of the workpiece obtained through the drawing and stamping operations for two times can carry out gradual drawing on the workpiece, and the workpiece can be prevented from being damaged due to overlarge deformation in the same drawing operation.
Further, the punching station comprises a hole forming station and a hole flanging station.
The hole forming station is used for processing a through hole in a workpiece, and the hole flanging station is used for enabling the edge of the inner side of the through hole to be upwards or downwards flanged and removing the sharp edge of the inner side of the through hole.
Further, the forming stations include a first forming station, a second forming station, and a third forming station.
The forming station is used for eliminating the internal stress of the workpiece and avoiding the deformation of the workpiece after forming.
Further, an idle station is arranged between the forming station and the cutting station.
The idle work station is a space reserved for adjusting the product structure in the later period.
Further, the method also comprises the step of manufacturing a pilot hole before the punching operation: processing a plurality of positive holes of leading on the material area, leading the equidistant setting of positive hole, leading the length direction setting of positive hole along the material area, just the centre of a circle of leading the positive hole is located the length direction's in material area central line.
The number of the pilot holes is multiple, so that at least two pilot holes are located in the progressive die, the pilot holes are arranged on the central line of the material belt, and the positions of the pilot holes and the positions of workpieces to be machined on the material belt are relatively fixed, so that the positions of the workpieces can be adjusted by adjusting the positions of the pilot holes, and the accuracy of workpiece stamping is improved.
Furthermore, the progressive die is also provided with a positioning pin, and the positioning pin is in linkage with the male die.
The locating pin corresponds the pilot hole setting, and wherein, the diameter of locating pin is the same with the diameter of pilot hole, and the tip of locating pin becomes the cusp form, and the locating pin can adjust the position of pilot hole to the coincidence of the central line of pilot hole and the central line of locating pin through inserting in the pilot hole, and then increases stamping process's accuracy.
Further, the partial edge of the workpiece to be formed is overlapped with the edge of the material belt.
The partial edge of work piece and the edge coincidence of material area can reduce corresponding shearing operation and increase the utilization ratio of material area, wherein, because the work piece shaping is in the both sides of material area, therefore the mid portion of material area can be used for connecting and making the work piece of both sides, consequently can guarantee that the work piece that the punching press obtained can be along with material area synchronous motion.
The principle and effect of the present invention will be further explained by combining the above technical solutions:
in the invention, the width of the material belt is wider than twice of the width of the workpiece to be formed, so that the progressive die can process two workpieces in the width direction of the material belt, and each stamping operation of each station of the progressive die can simultaneously stamp the workpieces on two sides of the connected central line, thereby effectively improving the processing efficiency.
Detailed Description
The invention will now be described in further detail with reference to the following examples, in order to facilitate the understanding of those skilled in the art:
a one-out-two molding process based on a progressive die comprises the following steps:
preparing a material belt: the width of the material belt is wider than twice of the width of the workpiece to be molded;
the width in material area is wider than the twice of the width of the work piece that needs the shaping, consequently upgrades the mould and can process out two work pieces in the width direction in material area, and the punching press operation of each time of each station of upgrading the mould can both be stamped the work piece of the central line both sides of taking simultaneously, can effectively improve machining efficiency.
Setting a progressive die: the progressive die is provided with a plurality of stations for sequentially punching the material belt, the stations on the progressive die are equidistantly arranged on the same straight line, wherein each station of the progressive die comprises two male dies with the same shape and two female dies with the same shape;
the two female dies and the male dies of the stations on the progressive die are respectively positioned on two sides of the central line of the material belt, so that workpieces obtained after the progressive die punches the material belt can be supported by the central part of the material belt, and the workpieces can be guaranteed to synchronously move along with the material belt on the premise of simultaneously punching the two workpieces.
Punching operation: the material belt carries out the distance removal on upgrading the mould, and wherein the distance that the material belt distance removed equals with the distance between the adjacent station in the mould that upgrades, and the material belt is once removed, and the terrace die on the mould that upgrades removes once towards the corresponding die, carries out a punching operation to the both sides of the length direction's of material belt central line.
The stamping operation comprises the following steps:
feeding: the material belt enters the progressive die and sequentially passes through all stations of the progressive die in a fixed-distance moving manner in the progressive die;
the material belt is conveyed to the progressive die through the material belt conveying mechanism and is conveyed equidistantly along a straight line where the station on the progressive die is located, so that the distance of the material belt moving on the progressive die at each time is the same, and therefore after the material belt moves at each time, the part of the material belt, on which a workpiece is machined, is always located below the station on the progressive die, and the accuracy of the punching process is guaranteed.
Stamping: after each time of distance movement of the material strip, each station of the progressive die punches the material strip below the station, wherein the stations of the progressive die comprise a first trimming station, a deep drawing station, a shaping station, a punching station, a second trimming station, a forming station and a cutting station which are sequentially arranged along the conveying direction of the material strip;
the specific stamping process of the material belt is as follows: after the first station of the progressive die performs stamping operation on the material belt, the stamped part of the material belt moves to the position below the next station, then the next station continues stamping the stamped part, meanwhile, the first station of the progressive die performs stamping on the material belt below the first station of the progressive die, then the part of the material belt stamped by the first station of the progressive die for the first time moves to the position below the third station of the progressive die to continue stamping, and at the moment, the part of the material belt stamped by the first station of the progressive die for the second time moves to the position below the second station of the progressive die and is stamped by the second station of the progressive die, so that the steps are repeated, and the continuous forming of workpieces is realized.
The first trimming station is used for shearing the material belt to obtain a workpiece with a preliminary outline prototype, the shaping station is used for trimming a concave-convex structure of the workpiece to enable the concave-convex structure to meet the design requirement, the second trimming station is used for trimming the edge of the workpiece to enable the shape of the workpiece to meet the design requirement, and the cutting station is used for separating the workpiece from the material belt.
The drawing station comprises a first drawing station and a second drawing station.
The first drawing station and the second drawing station are used for carrying out drawing and stamping operations for two times on the material belt, wherein the first drawing operation is used for stamping out a prototype of a drawing mechanism of a workpiece, the second drawing operation is used for enabling the drawing structure of the workpiece to be completely formed and meet design requirements, the drawing structure of the workpiece obtained through the drawing and stamping operations for two times can carry out gradual drawing on the workpiece, and the workpiece can be prevented from being damaged due to overlarge deformation in the same drawing operation.
The punching station comprises a hole forming station and a hole flanging station.
The hole forming station is used for processing a through hole in a workpiece, and the hole flanging station is used for enabling the edge of the inner side of the through hole to be upwards or downwards flanged and removing the sharp edge of the inner side of the through hole.
The forming stations include a first forming station, a second forming station, and a third forming station.
The forming station is used for eliminating the internal stress of the workpiece and avoiding the deformation of the workpiece after forming.
And an idle station is also arranged between the forming station and the cutting station.
The idle work station is a space reserved for adjusting the product structure in the later period.
The method also comprises the following steps of manufacturing a pilot hole before the punching operation: processing a plurality of positive holes of leading on the material area, leading the equidistant setting of positive hole, leading the length direction setting of positive hole along the material area, just the centre of a circle of leading the positive hole is located the length direction's in material area central line.
The number of the pilot holes is multiple, so that at least two pilot holes are located in the progressive die, the pilot holes are arranged on the central line of the material belt, and the positions of the pilot holes and the positions of workpieces to be machined on the material belt are relatively fixed, so that the positions of the workpieces can be adjusted by adjusting the positions of the pilot holes, and the accuracy of workpiece stamping is improved.
And the progressive die is also provided with a positioning pin, and the positioning pin is in linkage with the male die.
The locating pin corresponds the pilot hole setting, and wherein, the diameter of locating pin is the same with the diameter of pilot hole, and the tip of locating pin becomes the cusp form, and the locating pin can adjust the position of pilot hole to the coincidence of the central line of pilot hole and the central line of locating pin through inserting in the pilot hole, and then increases stamping process's accuracy.
The partial edge of the workpiece to be formed is coincident with the edge of the material belt.
The partial edge of work piece and the edge coincidence of material area can reduce corresponding shearing operation and increase the utilization ratio of material area, wherein, because the work piece shaping is in the both sides of material area, therefore the mid portion of material area can be used for connecting and making the work piece of both sides, consequently can guarantee that the work piece that the punching press obtained can be along with material area synchronous motion.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
The invention relates to a one-out-two forming process based on a progressive die, which belongs to the field of stamping processing and comprises the following steps: preparing a material belt: the width of the material belt is wider than twice of the width of the workpiece to be molded; setting a progressive die: the progressive die is provided with a plurality of stations for sequentially punching the material belt, and the stations on the progressive die are equidistantly arranged on the same straight line; punching operation: the material belt is moved at a fixed distance on the progressive die, and the male die on the progressive die moves once towards the corresponding female die once when the material belt moves once, so that one-time stamping operation is performed on two sides of the central line of the material belt in the length direction. The width of the material belt is wider than twice of the width of the workpiece to be formed, so that the progressive die can process two workpieces in the width direction of the material belt, each time of stamping operation of each station of the progressive die can simultaneously stamp the workpieces on two sides of the connected central line, and the processing efficiency can be effectively improved.

Claims (9)

1. A one-out-two molding process based on a progressive die is characterized by comprising the following steps:
preparing a material belt: the width of the material belt is wider than twice of the width of the workpiece to be molded;
setting a progressive die: the progressive die is provided with a plurality of stations for sequentially punching the material belt, the stations on the progressive die are equidistantly arranged on the same straight line, wherein each station of the progressive die comprises two male dies with the same shape and two female dies with the same shape;
punching operation: the material belt carries out the distance removal on upgrading the mould, and wherein the distance that the material belt distance removed equals with the distance between the adjacent station in the mould that upgrades, and the material belt is once removed, and the terrace die on the mould that upgrades removes once towards the corresponding die, carries out a punching operation to the both sides of the length direction's of material belt central line.
2. The progressive die based one-out-two molding process of claim 1, wherein said stamping operation comprises the steps of:
feeding: the material belt enters the progressive die and sequentially passes through all stations of the progressive die in a fixed-distance moving manner in the progressive die;
stamping: each station of the progressive die punches the material belt below the station after each time of distance movement of the material belt, wherein the station of the progressive die comprises a first trimming station, a deep drawing station, a shaping station, a punching station, a second trimming station, a forming station and a cutting station which are sequentially arranged along the conveying direction of the material belt.
3. The progressive die based one-out-two forming process of claim 2 wherein the drawing station comprises a first drawing station and a second drawing station.
4. The progressive die based one-out-two molding process of claim 3, wherein the punching station comprises a hole forming station and a hole flanging station.
5. The progressive die based one-out-two molding process of claim 4 wherein the forming stations include a first forming station, a second forming station and a third forming station.
6. The progressive die based one-out-two molding process of claim 5, wherein a blank station is further provided between the forming station and the cutting station.
7. The progressive die based one-out-two molding process of claim 1 further comprising, prior to the stamping operation, the step of forming pilot holes: processing a plurality of positive holes of leading on the material area, leading the equidistant setting of positive hole, leading the length direction setting of positive hole along the material area, just the centre of a circle of leading the positive hole is located the length direction's in material area central line.
8. The one-out-two molding process based on the progressive die as claimed in claim 7, wherein a positioning pin is further provided on the progressive die, and the positioning pin is linked with the male die.
9. The progressive die based one-out-two molding process of claim 1, wherein a portion of the edge of the workpiece to be molded coincides with the edge of the strip of material.
CN201911419915.5A 2019-12-31 2019-12-31 One-out forming process based on progressive die Pending CN113118303A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911419915.5A CN113118303A (en) 2019-12-31 2019-12-31 One-out forming process based on progressive die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911419915.5A CN113118303A (en) 2019-12-31 2019-12-31 One-out forming process based on progressive die

Publications (1)

Publication Number Publication Date
CN113118303A true CN113118303A (en) 2021-07-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911419915.5A Pending CN113118303A (en) 2019-12-31 2019-12-31 One-out forming process based on progressive die

Country Status (1)

Country Link
CN (1) CN113118303A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203737827U (en) * 2014-01-13 2014-07-30 东莞虹日金属科技有限公司 Progressive die producing two pieces per stamping for front beam of automobile seat
KR20150061313A (en) * 2013-11-27 2015-06-04 신한정밀(주) Transfer mold for reducing raw materials
CN208853539U (en) * 2018-09-21 2019-05-14 东莞市杰洋模具有限公司 A kind of one goes out the stamping die of two suicide seat mounting plates

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150061313A (en) * 2013-11-27 2015-06-04 신한정밀(주) Transfer mold for reducing raw materials
CN203737827U (en) * 2014-01-13 2014-07-30 东莞虹日金属科技有限公司 Progressive die producing two pieces per stamping for front beam of automobile seat
CN208853539U (en) * 2018-09-21 2019-05-14 东莞市杰洋模具有限公司 A kind of one goes out the stamping die of two suicide seat mounting plates

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Application publication date: 20210716

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