CN109226489B - Stamping guide device - Google Patents

Stamping guide device Download PDF

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Publication number
CN109226489B
CN109226489B CN201811023991.XA CN201811023991A CN109226489B CN 109226489 B CN109226489 B CN 109226489B CN 201811023991 A CN201811023991 A CN 201811023991A CN 109226489 B CN109226489 B CN 109226489B
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China
Prior art keywords
plate
outer guide
material belt
stamping
guide
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CN201811023991.XA
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Chinese (zh)
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CN109226489A (en
Inventor
李耀辉
李晴雨
张俊臣
刘英杰
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Suzhou Vocational University
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Suzhou Vocational University
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Priority to CN201811023991.XA priority Critical patent/CN109226489B/en
Publication of CN109226489A publication Critical patent/CN109226489A/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
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/08Dies with different parts for several steps in a process
    • 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
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02Advancing work in relation to the stroke of the die or tool
    • B21D43/04Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/05Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work specially adapted for multi-stage presses

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

Abstract

The invention discloses a stamping and guiding device which comprises an inner guiding plate, a first outer guiding plate, a second outer guiding plate, a lower die holder for installing various parts, a material belt for conveying raw materials and a floating plate for supporting the material belt, and finally a lower supporting plate for supporting and fixing the lower die holder, wherein a T-shaped punching groove is formed in the material belt at the position of the floating plate, one end of the material belt is provided with a flanging characteristic at the edge of the floating plate, and a forming procedure is arranged at the position of the material belt close to the floating plate. The stamping and guiding device can realize the whole-process accurate feeding and guiding of the material belt, and improve the stamping process and the guiding mode of stamping workpiece precision and stamping production safety, so as to overcome the technical restriction that the whole-process accurate feeding and guiding of the material belt cannot be realized due to the limitation of forming characteristics in the multi-station progressive die with complex structure and more forming procedures in the existing stamping die technology.

Description

Stamping guide device
Technical Field
The invention relates to the technical field of mechanical forming, in particular to a stamping and guiding device.
Background
The stamping die is important technological equipment in stamping production and is generally divided into an upper die and a lower die, wherein the upper die is driven by a press slide block to realize die opening and closing movement, and the lower die is fixed on a press working table top. In the case of stamping production, the blank must have two-directional limits in the die feed plane: one is a limit in the direction perpendicular to the feeding direction, for ensuring that the blank is fed in the correct direction, called feed guide; secondly, limiting in the feeding direction, and controlling the distance of one-time feeding of the blanks, namely feeding distance. The multi-station precision progressive die usually adopts blanks in a strip form, and strip feeding and guiding are performed through a guide plate or a guide nail arranged on the lower die. During stamping, the side edge of the material belt is fed forward along the material guide plate, so that the feeding direction is controlled; meanwhile, the precision of the stamping workpiece and the safety of stamping production are ensured by combining the control of the side edge of the feeding distance, the guide pin and other positioning parts. In production, for a multi-station progressive die with complex structure and with forming procedures such as deep drawing and bending, the procedure arrangement is generally to firstly punch guide holes and other structural holes (the procedure of side edge trimming is also required when side edges are arranged), then to punch gaps of the parts to be bent or deep drawn so as to facilitate material flow, realize subsequent deep drawing or bending forming, and finally cut off waste materials to realize separation of a workpiece and a carrier. Because the shaping characteristic of follow-up station is restricted, can't utilize the material area side to realize the stock guide direction to can't ensure the whole accurate feeding direction of material area, influence the stamping accuracy and the security of stamping production of finished piece to a certain extent, can cause stamping production potential safety hazard even.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides the stamping and guiding device, which can realize the whole-process accurate feeding and guiding of the material belt, and improve the stamping process and the guiding mode of stamping workpiece precision and stamping production safety, so as to overcome the technical limitations that in the existing stamping die technology, the whole-process accurate feeding and guiding of the material belt cannot be realized due to the limitation of forming characteristics for the multi-station progressive die with complex structure and more forming procedures.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a punching press guider, includes the die holder that is used for the interior stock guide of punching press stock guide process, first outer stock guide and second outer stock guide and is used for each spare part installation, still includes the material area that is used for raw materials conveying and is used for the stock area to hold up the kickboard simultaneously, last including the lower bolster that is used for the die holder to support fixedly usefulness, the inside in the material area is located the position department of floating stock plate and has seted up T type die-cut groove, and the one end in the material area is located the edge of floating stock plate and be provided with the turn-ups characteristic, the material area is close to floating stock plate department and is provided with the shaping process, the upper end surface of floating stock plate is close to the die-cut groove department of T type and installs the lower bolster, and the inside center department of lower bolster runs through and has seted up towards leading the positive hole die, the surface of lower bolster is connected with multiunit lower bolster, the surface of lower bolster is close to peripheral apex angle department and installs outer guide pillar, and multiunit fastening screw and spacing post are seted up to the surface of lower die holder.
Preferably, the bottom of the floating plate is provided with a plurality of nitrogen springs, and the first outer guide plate and the second outer guide plate which are arranged on the upper part of the floating plate are movably connected with the floating plate through screws.
Preferably, the outer surfaces of the upper ends of the lower template and the punching guide hole female die are higher than the outer surfaces of the upper ends of the float plate during die assembly.
Preferably, the first outer guide plate and the second outer guide plate are of split type structure.
Preferably, the number of the first outer guide plates and the second outer guide plates is two, the first outer guide plates and the second outer guide plates are symmetrical with respect to the material belt at the upper end of the floating plate, and the first outer guide plates and the second outer guide plates are made of Cr12 materials subjected to heat treatment.
Preferably, the two groups of the first outer guide plates and the second outer guide plates are contacted with the side surfaces of the material belt, and a guide gap of 0.2-0.5mm is arranged, so that the feeding guide of the material belt before the forming process can be realized.
Preferably, a rectangular boss is arranged on the outer surface of the upper end of the inner guide plate.
Preferably, an end sensor is mounted at a position of one end of the material belt away from the floating plate.
Preferably, the material belt is fed on the upper surface of the floating material plate along the feeding direction, and the bottom of the inlet end of the material belt is provided with a material bearing plate.
Preferably, the first outer guide plate and the second outer guide plate are of shoulder structures, and the height below the shoulders of the first outer guide plate and the second outer guide plate is larger than the sum of the thickness of the material belt and the downward moving distance of the guide plates.
(III) beneficial effects
The invention provides a punching guide device, which has the following beneficial effects:
for the multi-station continuous stamping die with complex shape of the workpiece and more forming procedures, the whole-course accurate feeding and guiding of the blank can be better realized. The guide device can further improve feeding guide precision and stamping production safety while simplifying the die structure, and has good application prospect and practical significance.
Drawings
FIG. 1 is a schematic view of the whole structure of a stamping and guiding device of the present invention;
FIG. 2 is a rear view of a punch guide of the present invention;
FIG. 3 is a schematic view of a floating plate in a stamping and guiding device according to the present invention;
FIG. 4 is a partial block diagram of a strip in a punch guide according to the present invention;
fig. 5 is a schematic view of an inner guide plate in a punching guide device according to the present invention.
In the figure: 1. t-shaped punching grooves; 2. a flanging feature; 3. a first outer guide plate; 4. a second outer stock guide; 5. a forming step; 6. an inner guide plate; 7. a material belt; 8. a float plate; 9. a lower template; 10. punching a pilot hole female die; 11. a lower die holder; 12. a lower foot pad; 13. an outer guide post; 14. fastening the screw hole; 15. a limit column; 16. and a lower supporting plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a punching press guider, including being used for punching press guide process's interior stock guide 6, first outer stock guide 3 and second outer stock guide 4 and be used for the die holder 11 of each spare part installation, still include the stock strip 7 that is used for raw materials to convey and be used for the stock strip 7 to hold up the kickplate 8, finally include the die holder 11 support fixed lower bolster 16 that is used for, T type punching groove 1 has been seted up to the inside position department that lies in the stock strip 7, and the one end that lies in the stock strip 7 is provided with turn-ups characteristic 2 in the edge department of stock strip 8, stock strip 7 is provided with shaping process 5 near the stock strip 8 department, lower bolster 9 is installed near T type punching groove 1 department to the upper end surface of stock strip 8, and the inside center department of lower bolster 9 runs through and has seted up towards guide hole die 10, the surface of lower bolster 16 is connected with multiunit lower bolster 12, the surface of die holder 11 is close to peripheral apex angle department and installs outer guide pillar 13, and multiunit fastening screw 14 and spacing post 15 have been seted up to the surface of lower bolster 11.
The bottom of the floating plate 8 is provided with a plurality of nitrogen springs, and the first outer guide plate 3 and the second outer guide plate 4 which are arranged on the upper portion of the floating plate 8 are movably connected with the floating plate 8 through screws, so that the first outer guide plate 3 and the second outer guide plate 4 can be driven to move up and down by pressure in the die assembly process conveniently.
The outer surfaces of the upper ends of the lower die plate 9 and the punching guide hole female die 10 are higher than the outer surfaces of the upper ends of the floating plates 8 during die assembly, so that the first outer guide plate 3 and the second outer guide plate 4 adopt split structures, are disconnected on the side surface of the lower die plate 9, and facilitate the up-down synchronous movement of the first outer guide plate 3 and the second outer guide plate 4.
The number of the first outer guide plates 3 and the second outer guide plates 4 is two, the first outer guide plates 3 and the second outer guide plates 4 are symmetrical to each other about the material belt 7 at the upper end of the floating plate 8, and the first outer guide plates 3 and the second outer guide plates 4 are made of Cr12 materials subjected to heat treatment, so that the wear resistance of the material belt can be improved, and the repeated contact wear of the first outer guide plates 3, the second outer guide plates 4 and the material belt 7 is reduced.
The two groups of first outer guide plates 3 and second outer guide plates 4 are contacted with the side surfaces of the material belts 7, and a guide gap of 0.2-0.5mm is arranged, so that the feeding guide of the material belts 7 before the forming process 5 can be realized.
The outer surface of the upper end of the inner stock guide 6 is provided with rectangular bosses, which by contact with the flanging feature 2 effect the feeding guidance of the strip 7 after the forming process 5.
The end sensor is arranged at one end of the material belt 7 away from the floating plate 8.
The material belt 7 is fed in the feeding direction on the upper surface of the float plate 8, and the bottom of the inlet end of the material belt 7 is provided with a material bearing plate.
The first outer guide plate 3 and the second outer guide plate 4 are of shoulder structures, and the height below the shoulders of the first outer guide plate 3 and the second outer guide plate 4 is larger than the sum of the thickness of the material belt 7 and the downward moving distance of the guide plates.
In summary, in the use process of the punching guide device, firstly, the lower pad 12 is installed on the outer surface of the lower supporting plate 16, meanwhile, in the process of die assembly, when the upper die contacts with the floating plate 8, the guide sleeve installed on the upper die is used for precisely die assembly with the outer guide post 13 connected to the upper end surface of the lower die seat 11, and the limit post 15 is used for limiting the punching stroke, so as to prevent the material from thinning, meanwhile, the first outer guide plate 3 and the second outer guide plate 4 are in a shoulder structure, the screw is used for fastening with the floating plate 8, before die assembly, the material belt 7 is fed forward along the side surface of the lower part of the shoulder 3 of the first outer guide plate for guiding, when the upper die contacts with the floating plate 8, the floating plate 8 moves downwards under the action of the nitrogen spring below, and drives the first outer guide plate 3 and the second outer guide plate 4 to move together, the height of the guide surface below the shoulders of the first outer guide plate 3 and the second outer guide plate 4 is larger than the sum of the thickness of the material belt 7 and the downward moving distance of the guide plate, in the stamping process, firstly, the guide hole and the side edge are punched, the die 10 with the guide hole is fixed on the lower die plate 9, because the first outer guide plate 3 and the second outer guide plate 4 and the floating plate 8 move downwards, the die 10 with the guide hole protrudes out of the floating plate 8, in order to avoid die assembly interference, and simultaneously ensure the strength of the lower die plate 9, the first outer guide plate 3 and the second outer guide plate 4 are separated, the side surface of the lower die plate 9 is disconnected, the clearance is kept above the lower die plate 9, each station before the forming process 5, the feeding guide of the material belt 7 is realized through the contact of the first outer guide plate 3 and the second outer guide plate 4 and the side surface of the material belt 7, the first outer guide plate 3 and the second outer guide plate 4 are respectively left and right, because the first outer guide plate 3 is repeatedly contacted with the second outer guide plate 4 and the material belt 7 for abrasion, in order to improve the guiding precision of the material outer guide plates, the first outer guide plate 3 and the second outer guide plate 4 are made of Cr12 materials and are subjected to heat treatment to improve the abrasion resistance, before the forming process 5 starts, a T-shaped punching groove 1 with the head in an arc line form is punched on a middle carrier of the material belt 7, the arc-shaped head of the T-shaped punching groove 1 is turned up, the vertical flanging characteristic 2 is obtained, the feeding guiding of the material belt 7 is realized by the contact between the side face of a rectangular boss protruding from the upper end of the inner guide plate 6 and the flanging characteristic 2, and the material belt 7 is separated from a workpiece through a cutting process at the last station, so that the required punched workpiece is obtained, and the method is practical.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The inclusion of an element as defined by the statement "comprising one does not exclude the presence of additional identical elements in a process, method, article or apparatus that comprises the element, electrical elements appearing herein are all electrically connected to an external master and 380V mains, and the master may be a conventionally known apparatus that controls a computer or the like.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a punching press guider, is including being used for punching press guide process's interior stock guide, first outer stock guide and second outer stock guide and be used for each spare part installation's die holder, still includes the flitch that is used for the material to convey and is used for the flitch that the material is held up in the area simultaneously, finally including being used for the die holder to support the fixed lower bolster of usefulness, its characterized in that: the inner part of the material belt is provided with a T-shaped punching groove at the position of the floating plate, one end of the material belt is provided with a flanging characteristic at the edge of the floating plate, the position of the material belt, which is close to the floating plate, is provided with a forming procedure, the outer surface of the upper end of the floating plate, which is close to the T-shaped punching groove, is provided with a lower template, the inner center of the lower template is provided with a punching guide hole female die in a penetrating way, the outer surface of the lower supporting plate is connected with a plurality of groups of lower padding feet, the outer surface of the lower template, which is close to the peripheral top corners, is provided with an outer guide pillar, and the outer surface of the lower template is provided with a plurality of groups of fastening screw holes and limiting columns;
the bottom end of the floating plate is provided with a plurality of nitrogen springs, and the first outer guide plate and the second outer guide plate which are arranged on the upper part of the floating plate are movably connected with the floating plate through screws;
the outer surface of the upper end of the lower die plate and the outer surface of the upper end of the punching guide hole female die are higher than the outer surface of the upper end of the float plate when the die is closed;
the first outer guide plate and the second outer guide plate are of split type structures;
the number of the first outer guide plates and the second outer guide plates is two, the first outer guide plates and the second outer guide plates are symmetrical relative to the material belt at the upper end of the floating plate, and the first outer guide plates and the second outer guide plates are made of Cr12 materials subjected to heat treatment;
the two groups of the first outer guide plates and the second outer guide plates are contacted with the side surfaces of the material belts, and a guide gap of 0.2-0.5mm is arranged, so that the feeding guide of the material belts before the forming process can be realized.
2. A stamping and guiding device as claimed in claim 1, wherein: the outer surface of the upper end of the inner guide plate is provided with a rectangular boss.
3. A stamping and guiding device as claimed in claim 1, wherein: and a tail end sensor is arranged at one end position of the material belt, which is far away from the floating plate.
4. A stamping and guiding device as claimed in claim 1, wherein: the material belt is fed on the upper surface of the floating material plate along the feeding direction, and the bottom of the inlet end of the material belt is provided with a material bearing plate.
5. A stamping and guiding device as claimed in any one of claims 1 to 4, wherein: the first outer guide plate and the second outer guide plate are of shoulder structures, and the height below the shoulders of the first outer guide plate and the second outer guide plate is larger than the sum of the thickness of the material belt and the downward moving distance of the guide plates.
CN201811023991.XA 2018-09-04 2018-09-04 Stamping guide device Active CN109226489B (en)

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Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811023991.XA CN109226489B (en) 2018-09-04 2018-09-04 Stamping guide device

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CN109226489B true CN109226489B (en) 2024-03-26

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117505674B (en) * 2024-01-05 2024-04-30 广州坤江汽车配件工业制造有限公司 Stamping die capable of rapidly positioning and automatically returning materials

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JP2017170482A (en) * 2016-03-24 2017-09-28 新日鐵住金株式会社 Manufacturing method and manufacturing apparatus of press part having hat cross section
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JP2017170482A (en) * 2016-03-24 2017-09-28 新日鐵住金株式会社 Manufacturing method and manufacturing apparatus of press part having hat cross section
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CN107008807A (en) * 2017-03-30 2017-08-04 柳州职业技术学院 Apron plate support multistation progressive die
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