CN201220252Y - Calendering mould for workpiece having complicated shape - Google Patents

Calendering mould for workpiece having complicated shape Download PDF

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Publication number
CN201220252Y
CN201220252Y CNU2008200379249U CN200820037924U CN201220252Y CN 201220252 Y CN201220252 Y CN 201220252Y CN U2008200379249 U CNU2008200379249 U CN U2008200379249U CN 200820037924 U CN200820037924 U CN 200820037924U CN 201220252 Y CN201220252 Y CN 201220252Y
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CN
China
Prior art keywords
binder
mould
calendaring
stamping parts
insert
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.)
Expired - Fee Related
Application number
CNU2008200379249U
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Chinese (zh)
Inventor
杨春和
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Chery Automobile Co Ltd
Original Assignee
SAIC Chery Automobile Co Ltd
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Publication date
Application filed by SAIC Chery Automobile Co Ltd filed Critical SAIC Chery Automobile Co Ltd
Priority to CNU2008200379249U priority Critical patent/CN201220252Y/en
Application granted granted Critical
Publication of CN201220252Y publication Critical patent/CN201220252Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a calendaring molding die for a workpiece with a complicated shape. A pressing edge structure (14) is arranged in a pressing material core (2) of the calendaring molding die and positioned on the edge of a stamping part (9), and the stamping part is relatively pressed by the pressing edge structure (14) and an upper male die (4). By adopting the technical proposal, the product quality is greatly improved, the consistent performance of the stamping parts for batch production is ensured, the structure operation is convenient, and the utility model has the advantages of simple manufacturing process, long service life, low maintenance cost, and the like.

Description

A kind of calendaring mould of complex-shaped workpieces
Technical field
The utility model belongs to the pressure processing craft equipment technology field in the machine-building, relates to its cold stamping shaping processed mould, and more particularly, the utility model relates to a kind of calendaring mould of complex-shaped workpieces.
Background technology
In punch process, can relate to big, the complex-shaped workpiece of a lot of sizes, particularly for some complex parts on the body of a motor car, the back base plate of compactedness vehicle for example, because the relative three-box car type of size is less than normal, the sparrow may be small but it has all the vital organs, the position of the position of following fuel tank and back spare tyre, all need to reserve and,, weld bad processing if adopt discrete parts, stock utilization is also low simultaneously, and investment increases; For such part, if bulk-breaking not, then must adopt the three present moving structures could moulding; But because three moving structures exist binder inhomogeneous, material flows and can't be well controlled, and forming stability is poor, causes occurring poor product quality, the inconsistent problem of state.Carry out specific description below:
The three moving mold structures that prior art adopts, shown in Figure 1 as in this Figure of description.At first, nitrogen spring 5 and two dynamic compressor outer slides compress stamping parts 9 and move downward under the press pressure effect, contact stress deformation with binder core 2 in the counterdie 3, when binder core 2 arrives dead point (promptly arriving the position of stop block 8), the moulding of counterdie bossing; At this moment, two dynamic compressor inner slide setting in motions, stamping parts 9 rear section plates and the 4 stressed beginning moulding of last punch; In this forming process, stamping parts 9 latter halfs (illustrated the right, be that plate is not subjected to pressure-pad-force position 11) all be in vacant state, the plate of stamping parts 9 that is in vacant state like this is with regard to the unfettered matrix face that enters counterdie 3, cause this profile and around wrinkling, cracking appears.
The utility model content
Problem to be solved in the utility model provides a kind of calendaring mould of complex-shaped workpieces, its objective is the phenomenon of complex-shaped stamping parts is eliminated occur owing to binder is inhomogeneous in the drawing and moulding process wrinkling, cracking.
To achieve these goals, the technical scheme taked of the utility model is:
The calendaring mould of this complex-shaped workpieces that is provided carries out calendering formation to stamping parts, and its structure comprises the upper die and lower die of relative motion, studs with the last punch that carries out relative motion with patrix in the patrix; If binder core, its track that moves up and down is limited by the guide plate in the mold cavity, and by the stop block stop that is located on the counterdie plane, the binder core is moved by nitrogen spring 5 jackings, in the binder core of described calendaring mould, be positioned at the edge of stamping parts, be provided with the flanging structure, the relative stamping parts that compresses with last punch.
For making the utility model more perfect, more detailed and concrete technical scheme below also further having proposed, to obtain best practical function, realize goal of the invention better, and demonstrated fully novelty of the present utility model and creativeness:
Establish little binder in the described flanging structure and insert, little binder insert and counterdie between establish the flanging nitrogen spring.
Described little binder insert and the binder core between, establish the binder guide plate of inserting.
Described flanging structure is to establish a hole on the binder core, and described little binder is inserted and is located in this hole.
The distance of the stamping parts trimming line of the described matrix that is provided with hole that little binder inserts and stamping parts is 15mm.
In patrix 1 and the little binder corresponding position of inserting a bead is set, its size is identical with peripheral bead.
Compared with prior art, the utility model makes stamping parts each several part in the punch forming process stressed reasonable by adopting technique scheme, has greatly improved product quality, and steady quality; Guaranteed the uniformity of the stamping parts performance produced in batches, its structure operation is convenient, characteristics such as have that manufacturing process is simple, long service life, maintenance cost are low.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this specification and the mark among the figure are briefly explained:
Fig. 1 is the related three moving mold structural representations of this specification background technology part;
Fig. 2 is a structural representation of the present utility model.
Be labeled as among the figure:
1, patrix, 2, the binder core, 3, counterdie, 4, go up punch, 5, nitrogen spring, 6, guide plate, 7, little binder inserts, 8, stop block, 9, stamping parts, 10, the stamping parts trimming line, 11, plate is not subjected to the pressure-pad-force position, and 12, the flanging nitrogen spring, 13, the binder guide plate of inserting, 14, the flanging structure.
The specific embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and operation principle, the manufacturing process of the mutual alignment between the shape of the specific embodiment of the present utility model such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present utility model, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.
The of the present utility model structure expressed as Fig. 2, the utility model is a kind of calendaring mould of complex-shaped workpieces, stamping parts 9 is carried out calendering formation, and its structure comprises the patrix 1 and the counterdie 3 of relative motion, studs with the last punch 4 that carries out relative motion with patrix 1 in the patrix 1; If binder core 2, its track that moves up and down are subjected to guide plate 6 restrictions in counterdie 3 inner chambers, and by stop block 8 stop that are located on counterdie 3 planes, binder core 2 is moved by nitrogen spring 5 jackings.
Under the press pressure effect, nitrogen spring 5 and two dynamic compressor outer slides compress stamping parts 9 and move downward, and contact stress deformation with binder core 2 in the counterdie 3; When binder core 2 arrives dead point (promptly arriving the position of stop block 8), the moulding of counterdie bossing; At this moment, two dynamic compressor inner slide setting in motions, stamping parts 9 part plates and the 4 stressed beginning moulding of last punch.
For solve stamping parts profile that the described present known technology of this specification background technology part exists and around the problem of wrinkling, cracking occurs and overcome its defective, that realization is eliminated complex-shaped stamping parts to occur owing to binder is inhomogeneous in the drawing and moulding process is wrinkling, the goal of the invention of the phenomenon of cracking, and the technical scheme that the utility model is taked is:
As shown in Figure 2, the calendaring mould of this complex-shaped workpieces provided by the utility model in the binder core 2 of described calendaring mould, is positioned at the edge of stamping parts 9, is provided with flanging structure 14, with the last punch 4 relative stamping parts 9 that compress.
Above-mentioned structure is the moving structures of mould four, is three moving mold structures based on prior art, increases a motion structure, i.e. flanging structure 14 comprises that little binder inserts 7, binder is inserted guide plate 13 and flanging nitrogen spring 12.
The effect of said structure is: under the effect of flanging nitrogen spring 12, during last punch 4 setting in motion moulding, little binder is inserted and 7 is contacted with patrix 1 and to push down stamping parts 9, be used for controlling plate the flowing of section left and right directions, improve the quality of products and make the conforming purpose of enhancing product performance to reach.
For making clearer and at length introducing embodiments of the present invention,, the present invention is carried out concrete description below by some exemplifying embodiments of being recommended:
Embodiment one:
Establish little binder in the described flanging structure 14 and insert 7, little binder insert 7 and counterdie 3 between establish flanging nitrogen spring 12.
According to the shape of product, begin apart from 15mm outside the limit at the product trimming line, open a via hole; In the via hole the inside a little binder is installed and is inserted 7, and insert guide plate 13 as guide frame with binder; Insert below 7 at little binder, two flanging nitrogen springs 12 are installed.
Embodiment two:
Described little binder insert 7 and binder core 2 between, establish the binder guide plate 13 of inserting.Its effect is to insert for little binder 7 to provide guiding, and higher quality of fit and and mill property are arranged.Its material is the wear-resisting high-carbon steel that harden, and improves its service life.
Embodiment three:
In order to make little binder insert 7 in above-below direction motion, described flanging structure 14 is to establish a hole on binder core 2, and described little binder is inserted and 7 is located in this hole.
Embodiment four:
Described insert 7 the pitch-row of little binder that is provided with is 15mm from the stamping parts trimming line 10 of the matrix of stamping parts 9.
Place with 15mm beyond the stamping parts trimming line 10 is the sideline, opens a through hole on binder core 2, and its length is 3/4 of stamping parts 9 matrixs; Width is 2/5 of a length; Described little binder inserts 7, and its length and width size and this through hole are used.Plane that is used for installing flanging nitrogen spring 12 of processing on counterdie 3.
Insert 7 height of little binder designs by calculating, and patrix 1 deducts the height of flanging nitrogen spring 12 under normal condition apart from the distance of counterdie 3 mounting planes when arriving dead points according to binder core 2, draws little binder 7 the height of inserting.This is a perfect condition, in the ordinary course of things, after having designed like this, adjusts highly to some extent in the time of back processing mounting plane.Little binder insert 7 and binder core 2 between adopt binder guide plate 13 guiding of inserting.
Embodiment five:
In the insert position of 7 correspondences of patrix 1 and little binder a bead is set, its size is identical with peripheral bead.
In order better to increase the binder effect, add a bead in the insert position of 7 correspondences of patrix 1 and little binder, its size is identical with peripheral bead.By this structure is set, the unsettled state of stamping parts 9 latter halfs (diagram the right) is controlled, thereby has guaranteed that plate has flowing of control.
Adopt technique scheme, greatly improve the quality of products, guaranteed the uniformity of the stamping parts performance of batch process, and steady quality; Its structure operation is convenient, characteristics such as have that manufacturing process is simple, long service life, maintenance cost are low.Therefore, compared with prior art, the utility model has possessed substantial characteristics, and has obtained progress technically, demonstrates fully novelty of the present utility model and creativeness.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or design of the present utility model and technical scheme are directly applied to other occasion without improving, all within protection domain of the present utility model.

Claims (6)

1, a kind of calendaring mould of complex-shaped workpieces carries out calendering formation to stamping parts (9), and its structure comprises the patrix (1) and the counterdie (3) of relative motion, studs with the last punch (4) that carries out relative motion with patrix (1) in the patrix (1); If binder core (2), its track that moves up and down is subjected to guide plate (6) restriction in counterdie (3) inner chamber, and by stop block (8) stop that is located on counterdie (3) plane, binder core (2) is moved by nitrogen spring (5) jacking, it is characterized in that: in the binder core (2) of described calendaring mould, be positioned at the edge of stamping parts (9), be provided with flanging structure (14), the relative stamping parts (9) that compresses with last punch (4).
2, according to the calendaring mould of the described complex-shaped workpieces of claim 1, it is characterized in that: establish little binder in the described flanging structure (14) and insert (7), little binder insert (7) and counterdie (3) between establish flanging nitrogen spring (12).
3, according to the calendaring mould of the described complex-shaped workpieces of claim 2, it is characterized in that: described little binder insert (7) and binder core (2) between, establish the binder guide plate (13) of inserting.
4, according to the calendaring mould of the described complex-shaped workpieces of claim 3, it is characterized in that: described flanging structure (14) is to establish a hole on binder core (2), described little binder insert (7) be located in this hole.
5, according to the calendaring mould of the described complex-shaped workpieces of claim 4, it is characterized in that: described to be provided with the insert distance of stamping parts trimming line (10) of matrix of the hole of (7) and stamping parts (9) of little binder be 15mm.
6, according to the calendaring mould of the described complex-shaped workpieces of claim 1, it is characterized in that: in patrix (1) and little binder (7) the corresponding position of inserting a bead is set, its size is identical with peripheral bead.
CNU2008200379249U 2008-06-06 2008-06-06 Calendering mould for workpiece having complicated shape Expired - Fee Related CN201220252Y (en)

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Application Number Priority Date Filing Date Title
CNU2008200379249U CN201220252Y (en) 2008-06-06 2008-06-06 Calendering mould for workpiece having complicated shape

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102310139A (en) * 2011-09-26 2012-01-11 奇瑞汽车股份有限公司 Unrolling and blanking mold
CN102513445A (en) * 2011-11-30 2012-06-27 长城汽车股份有限公司 Trimming and flanging composite stamping die
CN102873163A (en) * 2012-10-19 2013-01-16 安徽江淮汽车股份有限公司 Method for forming tail door inner plate die surface
CN103418687A (en) * 2013-08-02 2013-12-04 龚志辉 Large stamping part drawing die set with rib plate-like molded surface
CN104416068A (en) * 2013-08-28 2015-03-18 定西银奥模具有限公司 Tiger claw forming mould
CN105478596A (en) * 2016-02-02 2016-04-13 奇瑞汽车股份有限公司 Complex-surface multi-pass drawing die structure

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102310139A (en) * 2011-09-26 2012-01-11 奇瑞汽车股份有限公司 Unrolling and blanking mold
CN102310139B (en) * 2011-09-26 2013-10-16 奇瑞汽车股份有限公司 Unrolling and blanking mold
CN102513445A (en) * 2011-11-30 2012-06-27 长城汽车股份有限公司 Trimming and flanging composite stamping die
CN102513445B (en) * 2011-11-30 2015-02-04 长城汽车股份有限公司 Trimming and flanging composite stamping die
CN102873163A (en) * 2012-10-19 2013-01-16 安徽江淮汽车股份有限公司 Method for forming tail door inner plate die surface
CN102873163B (en) * 2012-10-19 2014-07-02 安徽江淮汽车股份有限公司 Method for forming tail door inner plate die surface
CN103418687A (en) * 2013-08-02 2013-12-04 龚志辉 Large stamping part drawing die set with rib plate-like molded surface
CN103418687B (en) * 2013-08-02 2015-03-18 龚志辉 Large stamping part drawing die set with rib plate-like molded surface
CN104416068A (en) * 2013-08-28 2015-03-18 定西银奥模具有限公司 Tiger claw forming mould
CN105478596A (en) * 2016-02-02 2016-04-13 奇瑞汽车股份有限公司 Complex-surface multi-pass drawing die structure

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090415

Termination date: 20130606