CN110000285B - Stamping die for seat mounting bracket and machining process of stamping die - Google Patents

Stamping die for seat mounting bracket and machining process of stamping die Download PDF

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Publication number
CN110000285B
CN110000285B CN201910167343.XA CN201910167343A CN110000285B CN 110000285 B CN110000285 B CN 110000285B CN 201910167343 A CN201910167343 A CN 201910167343A CN 110000285 B CN110000285 B CN 110000285B
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Prior art keywords
die holder
die
lower die
holder
trimming
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CN201910167343.XA
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CN110000285A (en
Inventor
白瑛
曹一枢
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Wuxi Shuguang Precision Industry Co ltd
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Wuxi Dawn Die and Stamping Co Ltd
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Priority to CN201910167343.XA priority Critical patent/CN110000285B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • 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
    • B21D45/00Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/02Ejecting devices
    • B21D45/04Ejecting devices interrelated with motion of tool
    • 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
    • B21D53/00Making other particular articles
    • B21D53/88Making other particular articles other parts for vehicles, e.g. cowlings, mudguards

Abstract

The invention discloses a stamping die for a seat mounting bracket, which comprises a forming die, a trimming die, a shaping die and a trimming-punching-side punching die, wherein the trimming die comprises a punching die body and a trimming die body; the forming die comprises a first lower die holder and a first upper die holder; the first lower die holder comprises a first base and a plurality of lower die holder inserts with the same structure; the lower die base insert is arranged at the upper end of the first base; an elastic ejection pin is embedded below the lower die base insert; the processing technology adopts multiple steps, so that the processing difficulty of a single working section is simplified, the defective rate and the rework difficulty are reduced, the production cost is saved, and the production efficiency is improved.

Description

Stamping die for seat mounting bracket and machining process of stamping die
Technical Field
The invention relates to the field of automobile parts, in particular to a stamping die for a seat mounting bracket and a processing technology thereof.
Background
In the manufacturing process of automobiles, the seat is an important component in the important automobile, and a special seat mounting bracket is needed to enhance the firmness of the seat and ensure the safety of passengers. Because the mounting bracket is made of metal materials and has a complex structure, a special stamping die is needed for auxiliary forming. Therefore, it is necessary to provide a press mold for a seat mounting bracket, which has high processing accuracy and is structurally stable and durable.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the stamping die for the seat mounting bracket, which is high in processing precision, stable and durable in structure.
The technical scheme is as follows: in order to achieve the above object, the stamping die for a seat mounting bracket of the present invention comprises a forming die; the forming die comprises a first lower die holder and a first upper die holder; the first lower die holder comprises a first base and a plurality of lower die holder inserts with the same structure; the lower die base insert is arranged at the upper end of the first base; an elastic ejection pin is embedded below the lower die base insert; two sides of the first base along the arrangement direction of the lower die holder insert are respectively provided with a first forming outer guide plate; the first lower die holder comprises a second base and a plurality of upper die holder inserts with the same structure; the upper die base insert is correspondingly matched with the lower die base insert; two sides of the second base are respectively provided with a second forming outer guide plate; the second forming outer guide plate is correspondingly nested and matched with the first forming outer guide plate; and a first cutter block key is arranged on the side edge of the upper die holder insert.
The device also comprises a trimming die; the trimming die comprises a second lower die holder and a second upper die holder; the plate pressed by the forming die is correspondingly clamped between the second lower die seat and the second upper die seat; the second lower die holder also comprises a material sliding plate, a storage limiting block and a transportation connecting plate; a first male die is correspondingly arranged in the second lower die holder; the sliding material plate is obliquely arranged along the width direction of the second lower die base, and the higher side of the sliding material plate is connected with the bottom of the first male die; the storage limiting block is correspondingly arranged on one side of the second lower die holder in the length direction; two sides of the second lower die holder along the length direction are provided with first trimming outer guide plates; second trimming outer guide plates are arranged on two opposite sides of the second upper die holder and correspondingly matched with the first trimming outer guide plates; the second upper die holder is also provided with a trimming knife; and the trimming knife corresponds to the edge position of the plate reserved area along the direction in which the second lower die holder and the second upper die holder are matched with each other.
Further, the device also comprises a shaping die; the sizing die comprises a third lower die holder and a third upper die holder; the plate processed by the trimming die is correspondingly clamped and arranged on the third lower die base and the third upper die base; a second male die is mounted on the third lower die holder; a blank holder is sleeved on the periphery of the third lower die holder; the blank holder comprises a second positioning plate, a pressure regulating pad and a spring top pin; the second positioning plate is correspondingly matched with the second male die; the pressure regulating pad corresponds to the third upper die seat in the matching direction of the third lower die seat and the third upper die seat; the elastic ejection pin is embedded in the blank holder, and the telescopic path of the elastic ejection pin corresponds to the drawing area of the plate.
Further, the method also comprises trimming-punching-side stamping; the trimming-punching-side punching die comprises a fourth lower die holder and a fourth upper die holder; the plate processed by the sizing die is correspondingly clamped between the fourth lower die seat and the fourth upper die seat; a material pressing core is arranged in the fourth upper die base; a third inner guide plate is arranged on the side face of the material pressing core in the annular direction and is correspondingly matched with the fourth upper die base; an outer guide post is arranged in the material pressing core; an outer guide sleeve is arranged in the fourth upper die base, and the outer guide pillar is correspondingly matched with the outer guide sleeve; an adjusting pad is arranged at one end of the pressing core facing the fourth lower die holder; and a lifting rod is arranged at the edge of one side of the fourth upper die base, which is far away from the fourth lower die base.
A processing technology of a seat mounting bracket comprises the following steps,
firstly, performing primary pressing on a plate by using a forming die to enable the extension area of the plate in each direction to exceed the corresponding area of a finished product;
trimming the waste material part around the plate material by using a trimming die along the corresponding outline of the finished product, thereby improving the smoothness of the edge and the processing precision;
thirdly, the trimmed plate is repressed by adopting a sizing die, the shape and the size of the plate are slightly changed by depending on the flowing of the material, and the effect of improving the processing precision is achieved;
step four, adopting a trimming-punching-side punching die to perform high-precision machining on the mounting hole part of the workpiece so as to ensure the mounting effect in use;
and fifthly, bending the part of the workpiece to finally obtain a finished product.
Has the advantages that: the invention relates to a stamping die for a seat mounting bracket, which comprises a forming die, a trimming die, a shaping die and a trimming-punching-side punching die, wherein the trimming die comprises a punching die body and a trimming die body; the forming die comprises a first lower die holder and a first upper die holder; the first lower die holder comprises a first base and a plurality of lower die holder inserts with the same structure; the lower die base insert is arranged at the upper end of the first base; an elastic ejection pin is embedded below the lower die base insert; two sides of the first base along the arrangement direction of the lower die holder insert are respectively provided with a first forming outer guide plate; the first lower die holder comprises a second base and a plurality of upper die holder inserts with the same structure; the upper die base insert is correspondingly matched with the lower die base insert; two sides of the second base are respectively provided with a second forming outer guide plate; the second forming outer guide plate is correspondingly nested and matched with the first forming outer guide plate; a cutter block stopper is arranged on the side edge of the upper die holder insert; the processing technology adopts multiple steps, so that the processing difficulty of a single working section is simplified, the defective rate and the rework difficulty are reduced, the production cost is saved, and the production efficiency is improved.
Drawings
FIG. 1 is an isometric view of a lower die holder of a forming die;
FIG. 2 is an isometric view of a mold base on a mold;
FIG. 3 is a schematic view of a lower die holder part of a forming die;
FIG. 4 is an isometric view of the lower die holder of the trimming die;
FIG. 5 is an isometric view of a mold base on the trimming mold;
FIG. 6 is a schematic view of a part of a lower die holder of the trimming die;
FIG. 7 is a schematic view of a trimming die upper die base part;
FIG. 8 is a schematic view of a trim die core construction;
FIG. 9 is an isometric view of the sizing die lower die base;
FIG. 10 is an isometric view of the sizing die upper die base;
FIG. 11 is a schematic view of a lower die holder part of the sizing die;
FIG. 12 is a schematic view of a sizing die upper die base part;
FIG. 13 is an isometric view of a sizing die blank holder;
FIG. 14 is a schematic view of a sizing die blank holder part;
FIG. 15 is an isometric view of the trimming-punching-side-piercing die lower die base;
FIG. 16 is an isometric view of the upper die holder of the deburring-punching-side punching die;
FIG. 17 is a schematic view of a lower die holder part of the trimming-punching-side-punching die;
FIG. 18 is a schematic view of trimming-punching-side punching die upper die holder parts;
FIG. 19 is a schematic view of a trim-punch-side punch molding core;
FIG. 20 is a schematic view of the processing;
fig. 21 is a schematic view of a seat mounting bracket configuration.
In the figure: a101, a first lower die holder; a103, a first upper die holder; a200, a first base; a300, a second base; a201, inserting an insert of a lower die holder; a202, mounting a die holder insert; a301-1 second forming outer guide plate; a301-2, forming a first outer guide plate; a302, a first knife block key; a303 a first cast-in lifting rod; a304 a first positioning plate; a305-1 elastic liftout pin; a305-2 a first spring; a305-3 cushion block; a307 exhaust pipe;
b101, a second lower die holder; b102, a second upper die holder; b201, lower die insert; b202 trimming knife; b301-1 second trimming outer guide plate; b301-2, first trimming outer guide plate; b302 first inner guide plate; b303, a guide pillar; b304, a guide sleeve; b305 nitrogen spring; b306-1 spring mounting plate; b306-2 nitrogen spring cushion blocks; b307 male die positioning keys; b308, a stop key; b309 storing limiting blocks; b310 side pin assembly; b312 a second cast-in crane bar; b313 first transport connection plate; b314 sliding material plate;
c101, a third lower die holder; c102 blank holders; c103, a third upper die holder; c104 second punch; a C301 first outer guide plate; c302 second inner guide plate; c303 pressure regulating pad; c304 a first adjustment pad; c305 second positioning plate; c306, a second cutter block stop key; c307 alignment key; c308 a third cast-in crane bar; c309 hoisting rod assembly; c310 limiting plate; c311 is marked to the end; c312 mandril cushion blocks; c313 ejection pin; c314 connecting plate;
d101, a fourth lower die holder; d102, a fourth upper die holder; d103, pressing a material core; d300, a second outer guide plate; d301, a third inner guide plate; d304 outer guide pillars; d305 outer guide sleeves; d306 a second spring; d308 working side pin; d309 safety side pin; a D310 limiting block; d311 hoisting bar; a D312 buffer assembly; d313, a third positioning plate; d316 a second transport connection board; d317 punching head; d318 fixing plate; d319 a female die sleeve; d325 second adjustment pad.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
A stamping die for a seat mounting bracket comprises a forming die, a trimming die, a shaping die and a trimming-punching-side punching die; as shown in fig. 1 to 3, the forming die includes a first lower die base a101 and a first upper die base a 103; the first die holder A101 comprises a first base A200 and a plurality of die holder inserts A201 with the same structure, so that a plurality of plates can be produced and processed by one-time stamping, and the production efficiency is improved; the lower die holder insert A201 is arranged at the upper end of the first base A200; an elastic liftout pin A305-1 is embedded below the lower die holder insert A201; two sides of the first base A200 along the arrangement direction of the lower die holder insert A201 are respectively provided with a first forming outer guide plate A301-2; the first upper die holder A103 comprises a second base A300 and a plurality of upper die holder inserts A202 with the same structure; the upper die holder insert A202 is correspondingly matched with the lower die holder insert A201; two sides of the second base A300 are respectively provided with a second forming outer guide plate A301-1; the second forming outer guide plate A301-1 is correspondingly nested and matched with the first forming outer guide plate A301-2, so that the upper die base sheet and the lower die base sheet are accurately matched and positioned; a first cutter stop key A302 is arranged on the side edge of the upper die holder insert A202.
As shown in fig. 4 to 8, the trimming die includes a second lower die base B101 and a second upper die base B102; the plate pressed by the forming die is correspondingly clamped between the second lower die base B101 and the second upper die base B102; the second lower die holder B101 further comprises a material sliding plate B314, a storage limiting block B309 and a first transportation connecting plate B313; a first male die is correspondingly arranged in the second lower die holder B101; the material sliding plate B314 is obliquely arranged along the width direction of the second lower die holder B101, and the higher side of the material sliding plate B314 is connected with the bottom of the first male die; the storage limiting block B309 is correspondingly arranged on one side of the second lower die holder B101 in the length direction; two sides of the second lower die holder B101 along the length direction are provided with first trimming outer guide plates B301-2; a second trimming outer guide plate B301-1 is arranged on two opposite sides of the second upper die seat B102 and correspondingly matched with the first trimming outer guide plate B301-2; the second upper die base B102 is also provided with a trimming knife B202; the trimming knife B202 corresponds to the edge of the reserved area of the sheet material along the direction in which the second lower die base B101 and the second upper die base B102 are matched with each other, and is used for removing the redundant extension part.
As shown in fig. 9-14, the sizing die includes a third lower die holder C101 and a third upper die holder C103; the plate processed by the trimming die is correspondingly clamped and arranged on a third lower die seat C101 and a third upper die seat C103; a second male die C104 is arranged on the third lower die holder C101; a blank holder C102 is sleeved on the periphery of the third lower die holder C101; the blank holder C102 comprises a second positioning plate C305, a pressure regulating pad C303 and a spring top pin C313; the second positioning plate C305 is correspondingly matched with the second male die C104; the pressure regulating pad C303 corresponds to the third upper die holder C103 in the matching direction of the third lower die holder C101 and the third upper die holder C103; the ejection pin C313 is embedded in the blank holder C102, and the telescopic path of the ejection pin C corresponds to the drawing area of the plate.
As shown in fig. 15 to 19, the deburring-punching-side punching die comprises a fourth lower die holder D101 and a fourth upper die holder D102; the plate processed by the sizing die is correspondingly clamped between a fourth lower die seat D101 and a fourth upper die seat D102; a material pressing core D103 is arranged in the fourth upper die seat D102 and used for ensuring the stability of the molding surface of the flitch in the processing process; a third inner guide plate D301 is annularly arranged on the side surface of the material pressing core D103, and the third inner guide plate D301 is correspondingly matched with the fourth upper die holder D102; an outer guide post D304 is arranged in the pressing core D103; an outer guide sleeve D305 is arranged in the fourth upper die holder D102, and the outer guide post D304 is correspondingly matched with the outer guide sleeve D305; a second adjusting pad D325 is arranged at one end of the pressing core D103 facing the fourth lower die holder D101; and a lifting rod D311 is arranged at the edge of one side of the fourth upper die holder D102, which is far away from the fourth lower die holder D101.
FIG. 21 is a schematic view of the seat mounting bracket; as shown in fig. 20, a process for manufacturing a seat mounting bracket includes the following steps,
firstly, as shown in fig. 20(a), a forming die is adopted to preliminarily press the plate, so that the extension area of the plate in each direction exceeds the corresponding area of a finished product;
step two, in the figure 20(b), the trimming die is adopted to trim the waste material part around the plate material along the corresponding outline of the finished product part, so that the smoothness of the edge is improved, and the processing precision is improved;
step three, the plate material after trimming is repressed by adopting a sizing die in the figure 20(c), and the shape and the size of the plate material are slightly changed by depending on the flowing of the material, so that the effect of improving the processing precision is achieved;
step four, adopting a trimming-punching-side punching die in the figure 20(d) to perform high-precision processing on the mounting hole part of the workpiece so as to ensure the mounting effect in use;
step five, finally bending the part of the workpiece in the figure 20(e) to finally obtain a finished product; the flanging and shaping process is a common means in production, is known to those skilled in the art, and is not described herein.
The method of the processing technology simplifies the processing difficulty of a single working section, reduces the defective rate and the rework difficulty, saves the production cost, simultaneously improves the production efficiency and ensures the processing precision.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.

Claims (1)

1. The utility model provides a stamping die for seat installing support which characterized in that: comprises a forming die; the forming die comprises a first lower die holder (A101) and a first upper die holder (A103); the first die holder (A101) comprises a first base (A200) and a plurality of die holder inserts (A201) with the same structure; the lower die holder insert (A201) is arranged at the upper end of the first base (A200); an elastic liftout pin (A305-1) is embedded below the lower die base insert (A201); two sides of the first base (A200) along the arrangement direction of the lower die holder insert (A201) are respectively provided with a first forming outer guide plate (A301-2); the first upper die holder (A103) comprises a second base (A300) and a plurality of upper die holder inserts (A202) with the same structure; the upper die base insert (A202) is correspondingly matched with the lower die base insert (A201); two sides of the second base (A300) are respectively provided with a second forming outer guide plate (A301-1); the second forming outer guide plate (A301-1) is correspondingly nested and matched with the first forming outer guide plate (A301-2); a first cutter block key (A302) is arranged on the side edge of the upper die base insert (A202);
the device also comprises a trimming die; the trimming die comprises a second lower die holder (B101) and a second upper die holder (B102); the plate pressed by the forming die is correspondingly clamped between a second lower die holder (B101) and a second upper die holder (B102); the second lower die holder (B101) further comprises a material sliding plate (B314), a storage limiting block (B309) and a first transportation connecting plate (B313); a first male die is correspondingly arranged in the second lower die holder (B101); the material sliding plate (B314) is obliquely arranged along the width direction of the second lower die holder (B101), and the higher side of the material sliding plate is connected with the bottom of the first male die; the storage limiting block (B309) is correspondingly arranged on one side of the second lower die holder (B101) in the length direction; two sides of the second lower die holder (B101) along the length direction are provided with first trimming outer guide plates (B301-2); a second trimming outer guide plate (B301-1) is arranged on two opposite sides of the second upper die holder (B102) and correspondingly matched with the first trimming outer guide plate (B301-2); the second upper die holder (B102) is also provided with a trimming knife (B202); the trimming knife (B202) corresponds to the edge position of the sheet reserved area along the direction that the second lower die holder (B101) and the second upper die holder (B102) are matched with each other;
the device also comprises a shaping die; the sizing die comprises a third lower die holder (C101) and a third upper die holder (C103); the plate processed by the trimming die is correspondingly clamped and arranged on a third lower die base (C101) and a third upper die base (C103); a second male die (C104) is arranged on the third lower die holder (C101); a blank holder (C102) is sleeved on the periphery of the third lower die holder (C101); the blank holder (C102) comprises a second positioning plate (C305), a pressure regulating pad (C303) and a spring top pin (C313); the second positioning plate (C305) is correspondingly matched with the second male die (C104); the pressure regulating pad (C303) corresponds to the third upper die holder (C103) in the matching direction of the third lower die holder (C101) and the third upper die holder (C103); the ejection pin (C313) is embedded in the blank holder (C102), and the telescopic path of the ejection pin corresponds to the drawing area of the plate;
also includes edging-punching-side stamping die; the trimming-punching-side punching die comprises a fourth lower die holder (D101) and a fourth upper die holder (D102); the plate processed by the sizing die is correspondingly clamped between a fourth lower die holder (D101) and a fourth upper die holder (D102); a material pressing core (D103) is arranged in the fourth upper die holder (D102); a third inner guide plate (D301) is arranged on the side face of the material pressing core (D103) in the circumferential direction, and the third inner guide plate (D301) is correspondingly matched with a fourth upper die holder (D102); an outer guide post (D304) is arranged in the pressing core (D103); an outer guide sleeve (D305) is arranged in the fourth upper die holder (D102), and the outer guide post (D304) is correspondingly matched with the outer guide sleeve (D305); a second adjusting pad (D325) is arranged at one end of the pressing core (D103) facing the fourth lower die holder (D101); and a lifting rod (D311) is arranged at the edge of one side of the fourth upper die holder (D102) far away from the fourth lower die holder (D101).
CN201910167343.XA 2019-03-06 2019-03-06 Stamping die for seat mounting bracket and machining process of stamping die Active CN110000285B (en)

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CN201910167343.XA CN110000285B (en) 2019-03-06 2019-03-06 Stamping die for seat mounting bracket and machining process of stamping die

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CN110000285B true CN110000285B (en) 2021-01-26

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112547910B (en) * 2020-12-22 2023-05-12 苏州广型模具有限公司 Forming mechanism applied to light-weight mounting bracket

Citations (4)

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Publication number Priority date Publication date Assignee Title
CN102921802A (en) * 2012-11-06 2013-02-13 柳州市昌河模具厂 Method for forming car rear shaft support assembly cross beam
CN204396634U (en) * 2014-12-12 2015-06-17 十堰帝冠汽车工程技术有限公司 Produce the mould of automobile front wall baffle sill
CN205926806U (en) * 2016-07-04 2017-02-08 上海众大汽车配件有限公司 Mould of car rear seat backup pad assembly part
CN107470460A (en) * 2017-08-16 2017-12-15 无锡威唐工业技术股份有限公司 A kind of processing mold of seat slide support

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120062273A (en) * 2010-12-06 2012-06-14 현대자동차주식회사 Press system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102921802A (en) * 2012-11-06 2013-02-13 柳州市昌河模具厂 Method for forming car rear shaft support assembly cross beam
CN204396634U (en) * 2014-12-12 2015-06-17 十堰帝冠汽车工程技术有限公司 Produce the mould of automobile front wall baffle sill
CN205926806U (en) * 2016-07-04 2017-02-08 上海众大汽车配件有限公司 Mould of car rear seat backup pad assembly part
CN107470460A (en) * 2017-08-16 2017-12-15 无锡威唐工业技术股份有限公司 A kind of processing mold of seat slide support

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Address after: No.106, Hongda Road, machine Photoelectric Industrial Park, Hongshan street, Xinwu District, Wuxi City, Jiangsu Province, 214145

Patentee after: Wuxi Shuguang Precision Industry Co.,Ltd.

Address before: No.106, Hongda Road, machine Photoelectric Industrial Park, Hongshan street, Xinwu District, Wuxi City, Jiangsu Province, 214145

Patentee before: WUXI DAWN DIE & STAMPING Co.,Ltd.

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