CN110899484A - Method for processing side-wall outer plate of automobile body and side shaping die of side-wall outer plate - Google Patents
Method for processing side-wall outer plate of automobile body and side shaping die of side-wall outer plate Download PDFInfo
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- CN110899484A CN110899484A CN201911183945.0A CN201911183945A CN110899484A CN 110899484 A CN110899484 A CN 110899484A CN 201911183945 A CN201911183945 A CN 201911183945A CN 110899484 A CN110899484 A CN 110899484A
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- die
- wall outer
- outer plate
- side wall
- shaping
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- 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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- 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
- B21D37/10—Die sets; Pillar guides
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- 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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
Abstract
The invention relates to a processing method of a side wall outer plate of a vehicle body and a side shaping die of the side wall outer plate, wherein the processing method comprises the following steps: s1: drawing the side wall outer plate; s2: carrying out a first trimming process on the side wall outer plate subjected to the drawing process, trimming the side edge of the side wall outer plate and reserving a plurality of process supplement plates which are arranged at intervals along the side edge and protrude outwards; s3: and performing a side shaping process on the side wall outer plate processed by the first modification process, wherein the side shaping die at least partially presses the process supplement plate and performs side shaping on a side plate of the side wall outer plate. S4: and (3) performing secondary trimming process on the side wall outer plate processed by the side shaping process, and removing the process supplement plate by using a second trimming die. The processing method can improve the processing precision of the side wall outer plate shaping process, so that the influence on assembly and sealing caused by distortion or wrinkles on the surface of the side wall outer plate can be avoided.
Description
Technical Field
The disclosure relates to the technical field of vehicle part processing, in particular to a processing method of a side wall outer plate of a vehicle body and a shaping die of the side wall outer plate.
Background
The side wall outer plate of the automobile body is a part with higher manufacturing difficulty in an automobile body covering part. In the prior art, a stamping and shaping process is usually adopted for manufacturing the body side outer panel, and comprises the processes of drawing, punching, trimming, shaping and the like, and in the shaping process step, due to the single structure of the existing shaping die and the special structure of the bent part of the body side outer panel, the problems of uneven shape-shaping surface distortion, large local multi-material wrinkles, ultra-poor trimming size and the like can occur at the bent part of the body side outer panel after the shaping process, so that the assembly of the body side outer panel in a whole vehicle can be seriously influenced, and the condition that the body side outer panel is not tightly sealed by windshield glass can be caused.
Disclosure of Invention
The processing method of the side wall outer plate of the automobile body can improve the processing precision of the shaping process of the side wall outer plate, so that the side wall outer plate of the automobile body is more accurately processed, and the assembly of the side wall outer plate of the automobile body is prevented from being influenced.
In order to achieve the purpose, the present disclosure provides a method for processing a side wall outer panel of a vehicle body, comprising the following steps:
s1: putting the side wall outer plate into a drawing die, and performing a drawing process;
s2: placing the side wall outer plate subjected to the drawing process into a first trimming die, and performing a first trimming process, wherein in the first trimming process, the side edge of the side wall outer plate is trimmed, and a plurality of process supplement plates are reserved and used as working profiles for strip material shaping, and are arranged at intervals along the side edge and protrude outwards;
s3: and placing the side wall outer plate subjected to the first modification process into a side shaping die, and performing a side shaping process, wherein in the side shaping process, the side shaping die at least partially presses against the process supplement plate and performs side shaping on a side plate of the side wall outer plate.
S4: and taking out the side wall outer plate subjected to the side shaping process, putting the side wall outer plate into a second trimming die, and performing a second trimming process, wherein in the second modification process, the second trimming die removes the process supplement plate.
Optionally, in the first trimming process, the process supplement panel is left at the bending part of the side edge of the side outer panel.
The process supplement plate comprises a first multi-material section, the first multi-material section is connected with the side wall outer plate, and in the side shaping process, a convex die of the side shaping die simultaneously presses against the side wall outer plate and the first multi-material section.
Optionally, the process supplementary plate further includes a second multi-material section integrally formed with the first multi-material section, the second multi-material section is connected to one side of the first multi-material section, which is far away from the side wall outer plate, and in the side shaping process, the pressure plate of the side shaping mold simultaneously presses against the second multi-material section.
Optionally, the side sizing die extrudes and deforms the first multi-strand section.
According to another aspect of the disclosure, a side shaping mold of a side body outer plate is further provided, the side shaping mold is used for the processing method, the side shaping mold comprises a male mold, a female mold and a first pressure plate used for pressing the side body outer plate, and the male mold is used for at least partially pressing the process supplement plate.
Optionally, the process supplementary plate includes a first multi-material section, the first multi-material section is connected to the side wall outer plate, and the male die in the side shaping die is used for simultaneously pressing the side wall outer plate and the first multi-material section in the side shaping process.
Optionally, the side wall outer plate material shaping device further comprises a second multi-material section integrally formed with the first multi-material section, the second multi-material section is connected with one side, away from the side wall outer plate material, of the first multi-material section, the male die is further connected with a plurality of second pressure plates, and the second pressure plates are used for simultaneously pressing the second multi-material section in the side shaping process.
Optionally, the side shaping mold further comprises a wedge slide block mechanism for driving the female mold.
Optionally, the slide wedge slider mechanism includes slider, slide wedge and baffle, the one end and the nitrogen gas jar of slider are connected, the slide wedge is installed on the baffle, the baffle is close to one side of die is provided with first arch, be provided with on the die with the second arch that first arch supported.
Through the technical scheme, as the side wall outer plate processed by the drawing process in the step S1 and the first trimming process in the step S2 in the processing method keeps an integrated process supplement plate, the process supplement plate can be placed into the side shaping die together with the side wall outer plate, and the side shaping die is closed to extrude the side wall outer plate and the process supplement plate, the process supplement plate can increase the contact area between the side wall outer plate and the processing surface in the side shaping die, so that the side shaping die can more fully punch and draw the side wall outer plate, the processing difficulty of shaping the side wall outer plate can be reduced, the shaping processing precision can be improved, the processing consistency is strong, the side wall outer plate does not need to be trimmed for multiple times, and the method is beneficial to eliminating and grinding the distortion and wrinkles of the processing surface after the side shaping process, the problems of difficult assembly of the side wall outer plate of the automobile body, poor sealing between the windshield and the side wall outer plate of the automobile body and the like caused by distortion, wrinkles, size super-difference and the like of the whole surface of the side wall outer plate are avoided.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a process flow diagram of the processing method provided by one embodiment of the present disclosure;
FIG. 2 is a perspective view of a quarter panel blank according to an embodiment of the present disclosure;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is a perspective view of a side shaping mold provided in an embodiment of the present disclosure, wherein the first nip plate is not shown;
fig. 5 is a schematic view illustrating the matching of the side shaping mold and the outer side panel blank according to an embodiment of the present disclosure.
Description of the reference numerals
1 side wall outer plate material 11 process supplementary plate material
111 first multi-material section 112 second multi-material section
2-side shaping die 21 male die
211 second pressure plate 22 concave die
221 second projection 23 wedge slide block mechanism
231 slider 232 wedge
233 guide plate 2331 first projection
24 first pressure plate
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, unless otherwise specified, the use of the terms of orientation such as "upper and lower" is generally defined with reference to the drawing direction of the corresponding drawings, and "inner and outer" refer to inner and outer with respect to the outline of the corresponding part itself. Those skilled in the art will appreciate that the foregoing directional terms are used only to explain and illustrate the present disclosure, and are not limiting. Furthermore, terms such as "first," "second," and the like, are used herein to distinguish one element from another, and are not necessarily sequential or significant.
As shown in fig. 1, the present disclosure provides a method for processing a body side outer panel, comprising the following steps:
s1: putting the side wall outer plate 1 into a drawing die (not shown) to carry out a drawing process;
s2: putting the side wall outer plate material 1 subjected to drawing process into a first trimming die (not shown) to perform a first trimming process, wherein in the first trimming process, the side edge of the side wall outer plate material 1 is trimmed and a plurality of process supplement plate materials 11 are reserved and used as working profiles for strip material shaping, and the process supplement plate materials 11 are arranged at intervals along the side edge and protrude outwards;
s3: and (3) placing the side wall outer plate material 1 subjected to the first modification process into a side shaping mold 2, and performing a side shaping process, wherein in the side shaping process, the side shaping mold 2 at least partially presses the process supplement plate material 11 and performs side shaping on a side plate of the side wall outer plate material 1.
S4: and taking out the side wall outer plate material 1 subjected to the side shaping process, putting the side wall outer plate material into a second trimming die (not shown), and performing a second trimming process, wherein in the second modification process, the second trimming die removes the process supplement plate.
The process supplement plate 11 in the step S2 is a part of the original side wall outer plate 1, the process supplement plate 11 and the side wall outer plate 1 are placed together in the side shaping mold 2 to perform the side shaping process in the step S3, and the side shaping process in the step S3 utilizes the side shaping mold 2 to act on the side edge of the side wall outer plate 1 to perform the side shaping process treatment on the side edge.
According to the technical scheme, the side wall outer plate 1 processed by the drawing process in the step S1 and the first trimming process in the step S2 in the processing method remains the integrated process supplement plate 11, the process supplement plate 11 is placed into the side shaping die 2 along with the side wall outer plate 1, and the side shaping die 2 is closed to extrude the side wall outer plate 1 and the process supplement plate 11, so that the process supplement plate 11 can increase the contact area of the processing surfaces in the side wall outer plate 1 and the side shaping die 2, the side shaping die 2 can more fully punch and draw the side wall outer plate 1, the processing difficulty of shaping the side wall outer plate can be reduced, the shaping processing precision is improved, the processing consistency is strong, multiple trimming operations on the side wall outer plate 1 are not needed, and elimination of the side wall outer plate 1 is facilitated, The distortion and the fold of the post-processing surface of the side-wall shaping process are ground, so that the problems of difficult assembly of the side-wall outer plate of the automobile body, poor sealing between the windshield and the side-wall outer plate of the automobile body and the like caused by the distortion, the fold, the size out-of-tolerance and the like of the shaping surface of the side-wall outer plate are avoided.
Further, as shown in fig. 2, in the first trimming process of step S2, the process supplement panel 11 may be left at the bent portion of the side edge of the quarter outer panel 1. It should be noted that, because there are fillet and negative angle in the department of bending of the side of side wall planking sheet material 1 simultaneously, there is the bigger stamping process degree of difficulty in the straight line section department of comparison side, it is easy to appear the distortion after the stamping process of side plastic mould 2, fold and size are out of tolerance etc., therefore, technology supplements sheet material 11 and can remain the department of bending at the side, thus, side plastic mould 2 can play the effect of local plastic to the bight, increase the area of contact during the stamping process of 2 fifty percent discount bights of side plastic mould, thereby can reduce the degree of difficulty of plastic processing, improve the precision of fifty percent discount bight plastic processing, avoid the department of bending to appear distortion uneven and fold.
In other embodiments, the process supplement panel 11 may be left in any position of the trimmed quarter panel 1.
In one embodiment of the present disclosure, as shown in fig. 2 to 5, the process supplement sheet 11 includes a first multi-material section 111, the first multi-material section 111 is connected to the side outer panel sheet 1, and in the side shaping process, the male die 21 of the side shaping die 2 simultaneously presses against the side outer panel sheet 1 and the first multi-material section 111. That is to say, in the side shaping process of step S3, the first multi-material segment 111 integrally formed with the side wall outer panel 1 increases the contact area between the side wall outer panel 1 and the side shaping mold 2, so that the male mold 21 of the side shaping mold 2 can be matched with the female mold 22 to more fully press against the side wall outer panel 1, thereby reducing the difficulty in shaping the side wall outer panel 1 and improving the processing accuracy.
In order to improve the processing precision of the side shaping process for stamping the side wall outer plate material 1, further, the process supplement plate material 11 further comprises a second multi-material section 112 integrally formed with the first multi-material section 111, the second multi-material section 112 is connected with one side of the first multi-material section 111 far away from the side wall outer plate material 1, and in the side shaping process, a pressure plate of the side shaping mold 2 simultaneously presses the second multi-material section 112. That is to say, the side shaping mold 2 is closed, the side outer panel sheet 1 is extruded by the male mold 21 and the female mold 22, and simultaneously, the pressure plate abutting on the second multi-material section 112 cooperates with the female mold 22 to clamp the second multi-material section 112, so as to improve the stability of the side outer panel sheet 1 installed in the female mold 22 when the male mold 21 extrudes the side outer panel sheet 1, and in addition, the feeding speed of the side outer panel sheet 1 can be reduced by clamping the second multi-material section 112, so that the side shaping mold 2 can more fully stamp and shape the side outer panel sheet 1, the structure that the side edge of the side outer panel sheet 1 is twisted and folded is avoided, and the processing precision of the side outer panel sheet 1 can be improved.
Further, the side reforming die 2 may press-deform the first multi-strand section 111. That is to say, in the side shaping process of step S3, the male die 21 of the side shaping die 2 cooperates with the female die 22 to simultaneously extrude the side wall outer panel 1 and the first multi-material section 111, and the first multi-material section 111 deforms along with the side wall outer panel 1, so that the contact area of the male die 21 of the side shaping die 2 when processing the side wall outer panel 1 is increased, the male die 21 can more fully extrude the side wall outer panel 1, the difficulty in shaping the side wall outer panel 1 is reduced, and the processing precision is further improved.
According to another aspect of the disclosure, a side shaping mold 2 of a side body outer plate is further provided, the side shaping mold 2 is used for the processing method, the side shaping mold 2 comprises a male mold 21, a female mold 22 and a first pressure plate 24 used for pressing the side body outer plate material 1, and the male mold 21 is used for at least partially pressing the process supplement plate material 11. The male die 21 and the female die 22 of the side shaping die 2 are in extrusion fit to act on the side wall outer plate 1 to perform side shaping processing on the side edge of the side wall outer plate 1, and the side shaping process step of S3 does not involve processing other planes of the side wall outer plate 1, so that the first pressure plate 24 has the function of abutting and pressing the side wall outer plate 1 on the female die 22, so that the side wall outer plate 1 can be extruded by the side shaping die 2 stably in the whole processing process, in addition, the male die 21 can supplement the plate 11 by at least partially together with the extrusion process while extruding the side wall outer plate 1, so that the extrusion contact area of the male die 21 on the side wall outer plate 1 is increased, the extrusion is more sufficient, the difficulty in shaping processing the side edge of the side wall outer plate 1 can be reduced, and the shaping processing precision is improved.
In order to increase the contact area between the male die 21 of the side shaping die 2 and the side outer panel 1, further, the process supplement panel 11 includes a first multi-material section 111, the first multi-material section 111 is connected to the side outer panel 1, and the male die 21 in the side shaping die 2 is used for simultaneously pressing the side outer panel 1 and the first multi-material section 111 in the side shaping process. That is to say, the male die 21 of the side shaping die 2 increases the area of extrusion contact with the side wall outer plate 1 through the first multi-material section 111, so that the shaping and extrusion of the side wall outer plate 1 are more sufficient, the side edge of the side wall outer plate 1 is prevented from being distorted and folded during shaping, and the processing precision is improved.
In the present disclosure, as shown in fig. 3, the process supplementary sheet 11 further includes a second multi-material section 112 integrally formed with the first multi-material section 111, the second multi-material section 112 is connected to one side of the first multi-material section 111 away from the side wall outer panel sheet 1, the male die 21 is further connected to a plurality of second pressure plates 211, and the second pressure plates 211 are used for simultaneously pressing the second multi-material section 112 in the side shaping process. The second pressure plate 211 can be installed on the male die 21 in a sliding connection manner, that is, when the male die 21 cooperates with the female die 22 to extrude the side of the side wall outer panel plate 1, the second pressure plate 211 abutting against the second multi-material section 112 cooperates with the female die 22 to clamp the second multi-material section 112, so that the second pressure plate 211 can cooperate with the first pressure plate 24 and the female die 22 to jointly clamp the side wall outer panel plate 1, and thus the stability of the side wall outer panel plate 1 during punching and shaping by the side shaping die 2 can be improved, and the processing precision of the side wall outer panel plate 1 can be improved.
Further, the side reforming mold 2 further includes a wedge slider mechanism 23 for driving the female mold 22. Therefore, the wedge slide block mechanism 23 can drive the female die 22 to move at a certain inclination angle, so that the female die 22 can move to the optimal position matched with the male die 21, and the processing precision of the side wall outer plate material 1 is improved.
Further, the wedge slide block mechanism 23 includes a slide block 231, a wedge 232 and a guide plate 233, one end of the slide block 231 is connected with a nitrogen cylinder (not shown), the wedge 232 is installed on the guide plate 233, a first protrusion 2331 is arranged on one side of the guide plate 233 close to the die 22, and a second protrusion 221 abutting against the first protrusion 2331 is arranged on the die 22. That is to say, the slider 231 can be driven to move along the axial direction of the nitrogen cylinder by the stretching of the nitrogen cylinder, the slider 231 abuts against the wedge 232 so as to drive the guide plate 233 to reciprocate, the first protrusion 2331 on the guide plate 233 abuts against the second protrusion 221 so as to push the female die 22 to be close to or far away from the male die 21, so that the female die 22 and the male die 21 can be matched with each other more accurately to extrude the side-wall outer plate 1 to perform side shaping processing, and the processing precision of the side shaping is improved.
It should be noted that the working process of the side shaping mold 2 in the S3 side shaping process is as follows:
a. the female die 22 moves towards the direction close to the male die 21 through the wedge 232 sliding block mechanism 23 to reach the upper limit working position;
b. the first upper pressure plate presses the side wall outer plate material 1, and the second pressure plate 211 presses the process supplement plate material 11;
c. closing the die, enabling the male die 21 to start moving, reducing the closing height of the upper die, keeping the female die 22 still and keeping the male die 21 in a side shaping working state, and enabling the male die 21 to start moving and the side shaping die 2 to be closed to reach the limit of the die, and finishing the side shaping;
d. when the upper die of the side shaping die 2 reaches the die limit, the male die 21 reaches the bottom dead center position at the same time;
e. the nitrogen cylinder drives the sliding block 231 to return, and the male die 21 and the second pressure plate 211 return along with the upper die;
f. the upper slide block 231 drives the upper die to return to the upper dead point position, and the floating side shaping female die 22 is reset to the lower limit position through the nitrogen cylinder to be a non-working position;
g. the negative angle between the stamping direction and the vertical direction of the side shaping of the side wall outer plate is reset to the lower limit position (non-working position) by the nitrogen cylinder, the negative angle is eliminated, and the side wall outer plate can be taken out upwards along the vertical direction.
The side shaping die 2 can more fully punch and draw the side wall outer plate, namely the first pressure plate 24 is pressed against the molded surface of the side wall outer plate 1, the nitrogen cylinder drives the second pressure plate 211 to press the process supplement plate 11, and the side shaping die 21 is used for carrying out side shaping on the side wall outer plate 1, so that the purpose of eliminating multi-material wrinkles is achieved, and the surface quality and the precision of the side wall outer plate 1 can be improved.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. The processing method of the side wall outer plate of the car body is characterized by comprising the following steps:
s1: putting the side wall outer plate into a drawing die, and performing a drawing process;
s2: placing the side wall outer plate subjected to the drawing process into a first trimming die, and performing a first trimming process, wherein in the first trimming process, the side edge of the side wall outer plate is trimmed, and a plurality of process supplement plates are reserved and used as working profiles for strip material shaping, and are arranged at intervals along the side edge and protrude outwards;
s3: and placing the side wall outer plate subjected to the first modification process into a side shaping die, and performing a side shaping process, wherein in the side shaping process, the side shaping die at least partially presses against the process supplement plate and performs side shaping on a side plate of the side wall outer plate.
S4: and taking out the side wall outer plate subjected to the side shaping process, putting the side wall outer plate into a second trimming die, and performing a second trimming process, wherein in the second modification process, the second trimming die removes the process supplement plate.
2. The method of processing of claim 1 wherein said process repair stock is retained at the folds of the side edges of said quarter outer panel stock during said first trimming process.
3. The method of processing of claim 1 wherein said process makeup stock includes a first multi-stock section that interfaces with said outer gusset panel stock, and wherein during said side reforming process, a male die of said side reforming die simultaneously presses against said outer gusset panel stock and said first multi-stock section.
4. The method of processing of claim 3, wherein said process supplement slab further comprises a second multi-slab section integrally formed with said first multi-slab section, said second multi-slab section being contiguous with a side of said first multi-slab section remote from said side gusset panel slab, said side-trim die having a pressure plate simultaneously pressing against said second multi-slab section during said side-trim process.
5. A process according to claim 3 or 4, wherein the side-shaping die extrudes and deforms the first multi-strand section.
6. Side-trimming die for a quarter panel, characterized in that it is used in the method of processing according to any one of claims 1 to 5, comprising a male die for pressing at least partially against said process supplement panel, a female die and a first pressure plate for pressing said quarter panel.
7. The side reforming die of claim 6, wherein the process makeup sheet comprises a first multi-strand section that interfaces with the outer side gusset sheet, the male die in the side reforming die being adapted to simultaneously press against the outer side gusset sheet and the first multi-strand section during the side reforming process.
8. The side shaping mold according to claim 7, further comprising a second multi-material section integrally formed with the first multi-material section, wherein the second multi-material section is connected with one side of the first multi-material section, which is far away from the side wall outer plate material, and a plurality of second pressure plates are further connected to the male mold and used for simultaneously pressing the second multi-material section in the side shaping process.
9. The side reforming mold defined in any one of claims 6-8, further comprising a cam slider mechanism for driving the female mold.
10. The side shaping die according to claim 9, wherein the wedge slider mechanism comprises a slider, a wedge and a guide plate, one end of the slider is connected with the nitrogen cylinder, the wedge is mounted on the guide plate, a first protrusion is arranged on one side of the guide plate close to the female die, and a second protrusion abutting against the first protrusion is arranged on the female die.
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CN113351744A (en) * | 2021-05-14 | 2021-09-07 | 天津一汽丰田汽车有限公司 | High-strength steel medium plate stamping part capable of preventing edge cracking, manufacturing method and application |
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