CN204182789U - The diel of a kind of automobile dash board downward-extension part - Google Patents
The diel of a kind of automobile dash board downward-extension part Download PDFInfo
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- CN204182789U CN204182789U CN201420527051.5U CN201420527051U CN204182789U CN 204182789 U CN204182789 U CN 204182789U CN 201420527051 U CN201420527051 U CN 201420527051U CN 204182789 U CN204182789 U CN 204182789U
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- holding pad
- patrix
- counterdie
- cylinder
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Abstract
The utility model discloses the diel of a kind of automobile dash board downward-extension part, adopt new drawing die mould structure and die face technique, reduce the scrappage of process part processing in production process, and when process part processing shape is unfavorable for that stock utilization promotes, the object achieve and promote stock utilization, ensureing accessory size and presentation quality; The content of compression Sheet Metal Forming Technology, when requiring to reduce lathe usage quantity and operating personnel's quantity, the component sharing one group of mould realizing two kinds of relevant vehicles is produced.After Sheet Metal Forming Technology change, the stock utilization of certain vehicle front panel downward-extension part (left/right) part existing can improve 9%, and the board dimension used also has the space reduced further; The scrappage of drawing operation part is reduced to present less than 0.2% by original 4.5%; The qualification rate of part has been brought up to by 80% ~ 87% of original instability and has all been reached more than 92%.
Description
Technical field
The utility model relates to stamp forming technology field, particularly a kind of automobile dash board downward-extension part diel.
Background technology
The plate of existing automobile dash board downward-extension part is rectangle plate, is of a size of 925mm × 635mm.The binder mode of its drawing die is that four limits compress charging simultaneously.
Be described further below in conjunction with the drawing work of concrete techniqueflow to this part:
Before the drawing action of A, plate starts, be contained in blanking cutter on holding pad and upper bolster by two of rectangle plate corner blankings, the structure of its counterdie and patrix as Figure 1-Figure 4;
Plate 4 regions up and down compress by B, patrix and holding pad, and start drawing action, plate flows to mold center via these 4 regions.
The technique arrangement of vehicle I front panel downward-extension part (left/right) as shown in Figure 5-Figure 8, is followed successively by OP10 drawing, OP20 trimming pre-punched hole, OP30 flanging and restriking is separated with the punching of OP40 punching side.The part connecting method of this technique can avoid process part processing to form semi-enclosed cavity, has larger help to the control of stock utilization.
But existing punching production technological design existing defects, part material is high-yield strength plate, mould can cause the accessory size qualification rate Quality Down produced after length service time, and due to the cracking of tensioning member, cause the part drawing crack scrappage in actual production process to uprise (scrappage of drawn component reaches 4.5%); And the process part processing connecting method of front panel downward-extension part (left/right) part forms closed cavity, carrying out designing mould by common stamping parts forming technology fundamentally can not promote stock utilization.
Therefore, for above-mentioned situation, ensure accessory size and presentation quality, improve the stock utilization of part, reduce part rejection rate, become the important technological problems that those skilled in the art are urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides the diel of a kind of automobile dash board downward-extension part, carried out changing and mould newly developed, improve accessory size quality to the Sheet Metal Forming Technology of front panel downward-extension part (left/right), improve the stock utilization of part, reduce part rejection rate.
For achieving the above object, the utility model provides following technical scheme:
The diel of a kind of automobile dash board downward-extension part, comprise upper die and lower die, patrix is installed in patrix inside and assists holding pad and patrix cylinder, patrix assists the cavity edge region in the position of holding pad and plate four limits relative, and patrix assists holding pad to have the forming surface corresponding to the cavity edge region of plate, patrix cylinder can order about patrix and assist holding pad to move downward;
Counterdie is installed in counterdie inside and assists holding pad and counterdie cylinder, counterdie assists the cavity edge region in the position of holding pad and plate four limits relative, and counterdie assists holding pad to have the forming surface corresponding to the cavity edge region of plate, counterdie cylinder can order about counterdie and assist holding pad to move upward;
Patrix cylinder pressure is greater than counterdie cylinder.
Preferably, patrix cylinder and counterdie cylinder are nitrogen cylinder.
Preferably, also comprise be installed on cylinder on the main holding pad of counterdie and auxiliary holding pad synchronous/force backing mechanism, cylinder can drive with lathe source of the gas, forced synchronism/back body is pushed main holding pad and patrix is assisted between holding pad.
Preferably, also comprise the pressure being installed on counterdie and retract hook, can be assisted between holding pad by main holding pad and patrix and retract by auxiliary holding pad is synchronous/pressure back body.
As can be seen from above-mentioned technical scheme, the automobile dash board downward-extension part diel that the utility model provides, adopt new drawing die mould structure and die face technique, the flow of material flowing mode of drawing die is become 3 limit chargings by 4 traditional limit chargings, although the process part processing of this Sheet Metal Forming Technology is semi-enclosed cavity, but because open cavity beyond does not have material to flow, promote to some extent on the contrary so stock utilization can not reduce; Reduce the scrappage of process part processing in production process, and when process part processing shape is unfavorable for that stock utilization promotes, the object achieve and promote stock utilization, ensureing accessory size and presentation quality.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the counterdie of drawing die in prior art;
Fig. 2 is the structural representation of the patrix of drawing die in prior art;
Fig. 3 is the sectional view along A-A cross section in Fig. 1;
Fig. 4 is the sectional view along B-B cross section in Fig. 1;
Fig. 5 is the schematic diagram of draw step in existing Sheet Metal Forming Technology;
Fig. 6 is the schematic diagram of (trimming+pre-punched hole) step in existing Sheet Metal Forming Technology;
Fig. 7 is the schematic diagram of (flange+shaping) step in existing Sheet Metal Forming Technology;
Fig. 8 is the schematic diagram of (punching+separation) step in existing Sheet Metal Forming Technology;
The structural representation of the counterdie of the drawing die that Fig. 9 provides for the utility model embodiment;
The structural representation of the patrix of the drawing die that Figure 10 provides for the utility model embodiment;
Figure 11 is the sectional view along A-A cross section in Fig. 9;
Figure 12 is the sectional view along B-B cross section in Fig. 9;
The schematic diagram of draw step in the Sheet Metal Forming Technology that Figure 13 provides for the utility model embodiment;
The schematic diagram of trimming process in the Sheet Metal Forming Technology that Figure 14 provides for the utility model embodiment;
The schematic diagram of (separation+punching+flange+shaping) step in the Sheet Metal Forming Technology that Figure 15 provides for the utility model embodiment.
During another vehicle part of production that Figure 16 provides for the utility model embodiment, the schematic diagram of Sheet Metal Forming Technology (trimming) step of the steel plate mould used.
Wherein, 1 is cylinder, 2 for auxiliary holding pad synchronous/force back body, 3 assist holding pad for counterdie, and 4 is main holding pad, 5 is die shoe, and 6 is punch, and 7 retract hook for pressure, and 8 assist holding pad for patrix, 9 is die profile, and 10 is upper bolster, and 11 is patrix cylinder, and 12 is counterdie cylinder.
Detailed description of the invention
The utility model discloses the diel of a kind of automobile dash board downward-extension part, carry out changing to the Sheet Metal Forming Technology of front panel downward-extension part (left/right) and mould newly developed, improve accessory size quality, improve the stock utilization of part, reduce part rejection rate.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 9-Figure 16, the structural representation of the counterdie of the drawing die that Fig. 9 provides for the utility model embodiment; The structural representation of the patrix of the drawing die that Figure 10 provides for the utility model embodiment; Figure 11 is the sectional view along A-A cross section in Fig. 9; Figure 12 is the sectional view along B-B cross section in Fig. 9; The schematic diagram of draw step in the Sheet Metal Forming Technology that Figure 13 provides for the utility model embodiment; The schematic diagram of trimming process in the Sheet Metal Forming Technology that Figure 14 provides for the utility model embodiment; The schematic diagram of (separation+punching+flange+shaping) step in the Sheet Metal Forming Technology that Figure 15 provides for the utility model embodiment.During another vehicle part of production that Figure 16 provides for the utility model embodiment, the schematic diagram of Sheet Metal Forming Technology (trimming) step of the steel plate mould used.
The automobile dash board downward-extension part diel that the utility model embodiment provides, comprise upper die and lower die, patrix comprises upper bolster 10 and die profile 9, counterdie comprises main holding pad 4, die shoe 5 and punch 6, die profile 9 wherein and punch 6 corresponding, act on the upper and lower surface of plate respectively;
Its core improvement is, patrix is installed in patrix inside and assists holding pad 8 and patrix cylinder 11, patrix assists the cavity edge region in the position of holding pad 8 and plate four limits relative, and patrix assists holding pad 8 to have the forming surface corresponding to the cavity edge region of plate, patrix cylinder 11 can order about patrix and assist holding pad 8 to move downward; Main holding pad 4 comprises the part relative with other three edge regions in plate four limits;
Counterdie is installed in counterdie inside and assists holding pad 3 and counterdie cylinder 12, counterdie assists the cavity edge region in the position of holding pad 3 and plate four limits relative, and counterdie assists holding pad 3 to have the forming surface corresponding to the cavity edge region of plate, counterdie cylinder 12 can order about counterdie and assist holding pad 3 to move upward; Main holding pad 4 comprises the part relative with other three edge regions in plate four limits;
The pressure that patrix cylinder 11 can provide is greater than the pressure that counterdie cylinder 12 can provide; When patrix assists holding pad 8 and counterdie to assist holding pad 3 to contact, assist holding pad (8) to order about counterdie by patrix and assist holding pad 3 to move downward.
Apply the technique of the automobile dash board downward-extension part diel of above-mentioned mould, comprise step:
S1, OP10 drawing die, comprises step:
S11, patrix move downward, until the patrix being installed on upper bolster 10 inside assists holding pad 8 to contact plate; Now assist holding pad 8 by patrix, be installed on the counterdie of die shoe 5 inside and assist the main holding pad 4 of holding pad 3, counterdie and the die profile 9 of patrix to be pushed down in the cavity edge region in plate four limits, then enter step S12;
S12, the patrix cylinder 11 being installed on patrix inside order about patrix and assist holding pad 8 to move downward, patrix cylinder 11 pressure is greater than the counterdie cylinder 12 being installed on counterdie inside, patrix assists holding pad 8 to assist holding pad 8 to depress the patrix that script orders about upwards jack-up by counterdie cylinder 12, and make the plate generation deformation of cavity edge areas adjacent, until the deformation of this part plate is consistent with die face, auxiliary holding pad just can reach relative static conditions up and down, then enters step S13; In this step, the local of plate (cavity edge region) first shaping deformation consistent for mould local profile before beginning pulling action is allowed;
After S13, patrix assist holding pad 8 and counterdie to assist holding pad 3 to reach relative static conditions, patrix continues to move downward, plate is pushed down other three edge regions by the main holding pad 4 of the die profile 9 of patrix and counterdie, along with patrix continues to move downward, plate is to mold center's direction flowing, and the long fringe region simultaneously in plate is assisted holding pad 8 and counterdie to assist holding pad 3 compression to flow by patrix; After mould reaches end state, enter step S14;
S14, make patrix assist holding pad 8, die profile 9 and counterdie to assist holding pad 3, main holding pad 4 to open at mould process in separated in synchronization, until patrix assists holding pad 8 finally to assist holding pad 3 to be separated completely with counterdie, then enter step S2; So far mould completes a complete pulling action, and tensioning member is not because the separated in synchronization of several parts deforms;
S2, OP20 edger: once cut out in most of sideline of part, only retains local tangent trimming to facilitate process part processing to subsequent processing transmission, then enters step S3; Original Sheet Metal Forming Technology has side cut step due to process part processing, the trimming operation of process part processing must be arranged to twice sequence (two mold OP20 tangents and OP40 side are cut), and the process part processing after improving technique can not adopt side cutting process, the improvement of the operation content compression of new technology is the equal of that the trimming work step of OP20 and OP40 of old technology is fused to existing OP20 shaving die, once most of sideline of part is cut out, retain local tangent trimming to facilitate process part processing to subsequent processing transmission; Because process part processing does not separate completely, only just process part processing can be put lower operation smoothly with a people, the design of new Sheet Metal Forming Technology can adapt to production line balance equally very smoothly;
S3, OP30 piercing and flanging splitting die, comprises separation, punching, flange and shaping, then enters step S4;
S4, OP40 incised notch mouth mould.
As can be seen from above-mentioned technical scheme, the automobile dash board downward-extension part diel that the utility model embodiment provides, adopt new drawing die mould structure and die face technique, the flow of material flowing mode of drawing die is become 3 limit chargings (as shown in figure 13) by 4 traditional limit chargings, although the process part processing of this Sheet Metal Forming Technology is semi-enclosed cavity, but because open cavity beyond (cavity sides) does not have material to flow, promote to some extent on the contrary so stock utilization can not reduce; Reduce the scrappage of process part processing in production process, and when process part processing shape is unfavorable for that stock utilization promotes, the object achieve and promote stock utilization, ensureing accessory size and presentation quality.
It is inner that the counterdie that this programme provides assists holding pad 3 to be installed on die shoe 5, it is inner that patrix assists holding pad 8 to be installed on upper bolster 10, these two auxiliary holding pads all drive with nitrogen cylinder, patrix assist the nitrogen cylinder pressure of holding pad 8 to be greater than nitrogen cylinder pressure that counterdie assists holding pad 3.This upper and lower mould assists the effect of holding pad plate to have two: 1, allow the first shaping deformation consistent for mould local profile before beginning pulling action of the local of plate.2, compress plate, when plate is to mold center's direction flowing, the plate acting on above-mentioned position can not flow.
In order to optimize above-mentioned technical scheme further, this mould also comprise be installed on cylinder 1 on the main holding pad 4 of counterdie and auxiliary holding pad synchronous/force backing mechanism 2, cylinder 1 can drive with lathe source of the gas, forced synchronism/back body 2 is pushed main holding pad 4 and patrix is assisted between holding pad 8 in time at the suitable time points meeting press runs, and its structure can with reference to shown in Fig. 9.Forced synchronism/backing mechanism 2 is installed on main holding pad 4, when mould is pressed onto the end, cylinder 1 is driven by lathe source of the gas, forced synchronism/back body 2 is pushed main holding pad 4 and patrix is assisted between holding pad 8, after mould completes pulling action, in the process that patrix moves upward along with lathe slide block, patrix is driven to assist the power of the nitrogen cylinder of holding pad 8 to be delivered on main holding pad 4 by forced synchronism/backing mechanism 2, thus ensure that main holding pad 4, die profile 9, the state of synchronization action is in the process that upper and lower mould assists holding pad to open at mould, avoid certain assembly because the asynchronous situation causing tensioning member to scrap of action occurs.
As preferably, auxiliary holding pad is synchronous/and the quantity of forcing backing mechanism 2 is two, and be oppositely arranged on the both sides of main holding pad 4 respectively, cylinder 1 is corresponding two.
In the specific embodiment that this programme provides, mould also comprises the pressure being installed on counterdie and retracts hook 7, can be assisted between holding pad 8 by main holding pad 4 and patrix by synchronous for auxiliary holding pad/pressure back body 2 when lathe source of the gas lost efficacy and retract, its structure can with reference to shown in Figure 10.Be described further below in conjunction with the technological process of specific works process to this programme drawing die:
(1), before the drawing action of plate starts, three edge regions and the counterdie of main holding pad 4 are assisted and are pushed down plate together with holding pad 3 and make plate produce the deformation of local;
(2) patrix assists holding pad 8 and counterdie to assist holding pad 3 to reach relative static conditions, patrix assists holding pad 8 and counterdie assist holding pad 3 that plate shaping is gone out definite shape and coordinate the pressure of nitrogen cylinder simultaneously, is assisted by counterdie the plate at holding pad 3 place to compress and makes it not flow toward mold center direction again;
(3) patrix continues to move downward, and plate, via three edge regions of main holding pad 4, flows to mold center direction;
(4), when mould reaches end state, the auxiliary holding pad on main holding pad 4 is synchronous/and force back body 2 to make patrix and up/down mould assist holding pad and main holding pad 4 separated in synchronization, until patrix assists holding pad 8 to be separated completely with main holding pad 4.Avoid and that cause drawn component be out of shape situation appearance asynchronous due to upper and lower auxiliary binder motion.
As preferably, plate is isosceles trapezoid plate, and its long limit is cavity sides.Namely in step s 11, patrix assists holding pad 8 and counterdie to assist holding pad 3 to be pushed down in the longest edge region of plate, and makes this part of plate generation deformation by the effect of cylinder in S12; In step s 13, die profile 9 and main holding pad 4 push down minor face and two these three edge regions of waist limit of plate.By the connecting method of change part in drawing die, make production plate into isosceles trapezoid by rectangle, eliminate the process of rectangle plate two corner blankings in prior art, while simplifying operation, also improve the utilization rate of material.
In order to optimize above-mentioned technical scheme further, in step S14, the cylinder 1 of counterdie by synchronous for auxiliary holding pad/force back body 2 to push main holding pad 4 and patrix is assisted between holding pad 8, patrix is assisted, and holding pad 8, die profile 9 and counterdie assist holding pad 3, main holding pad 4 realizes separated in synchronization, until patrix assists holding pad 8 finally to assist holding pad 3 to be separated completely with counterdie.After mould completes pulling action, in the process that patrix moves upward along with lathe slide block, patrix is driven to assist the power of the patrix cylinder 11 of holding pad 8 to be delivered on main holding pad 4 by forced synchronism/backing mechanism 2, thus in ensure that the process that main holding pad 4, die profile 9, upper and lower mould assist holding pad to open at mould, be in the state of synchronization action, avoid certain assembly because the asynchronous situation causing tensioning member to scrap of action occurs
In the specific embodiment that this programme provides, step S14 also comprises: assist holding pad 8 finally to assist with counterdie after holding pad 3 is separated completely at patrix, the cylinder 1 of counterdie by synchronous for auxiliary holding pad/force back body 2 to be assisted between holding pad 8 by main holding pad 4 and patrix to retract; If cylinder 1 retracts inefficacy, force to retract hook 7 and can retract original position by auxiliary holding pad is synchronous/pressure back body 2.
The drawing work of new employing is owing to employing two pieces of auxiliary holding pads (on upper die and lower die each a piece), mould complete punching press action complete time, need to control well the uniformity that main holding pad 4 and patrix and upper and lower mould assist holding pad to move, otherwise patrix assists holding pad 8 will because of the effect of nitrogen cylinder, produce in the process that mould is opened relative to patrix motion down, drawn component top is out of shape.At this time, be arranged on two auxiliary holding pads on main holding pad 4 synchronous/force backing mechanism 2 just to start to have worked.
By above-mentioned technique, patrix can be avoided to assist holding pad 8 to damage in the process of next punching press action, and assist holding pad 8 to cause tensioning member to scrap owing to being in incorrect position in the process of die drawn action due to patrix.
In order to optimize above-mentioned technical scheme further, the OP40 incised notch mouth mould in step S4, is placed on same press with the OP30 piercing and flanging splitting die in step S3 and uses.Have compressed Sheet Metal Forming Technology, the production process of vehicle I part has 4 original roads to be reduced to 3 present roads.This time process change also has an object, that part in order to realize vehicle II and vehicle I newly developed can realize producing on same group of mould, and the trim lines of these two kinds of vehicles only left member has local different, so the left member of a set of aided process (simple steel template die) for the production of another vehicle II can also be increased.
In sum, the utility model provides a kind of automobile dash board downward-extension part diel promoting the scrappage of process part processing in stock utilization, guarantee accessory size and presentation quality, reduction production process.
Its key point is:
(1) after being changed by the docking mode of part, process part processing is semi-enclosed cavity structure, carrys out designing mould be difficult to improve stock utilization by the drawing work of common stamping parts.
(2) make the flow of material flowing mode of drawing die into 3 limit chargings by 4 common limit chargings, normal mould structure is difficult to realize.
(3) in order to realize manufactured parts when two kinds of vehicles share one set of die and reduce pressuring machine (4 press become 3 press) and operator's quantity, need to carry out large change to a whole set of Sheet Metal Forming Technology of part.
(4) on drawing die, increase two pieces of auxiliary holding pads, the object of producing drawn component by the mode of 3 limit chargings is achieved, reduces the scrappage of process part processing.
(5) use auxiliary holding pad synchronous/force backing mechanism to solve due to the action inconsistent part deformation problem caused during two pieces of auxiliary holding pads work.
The advantage of this programme is:
(1) new drawing die mould structure and die face technique is adopted, reduce the scrappage of process part processing in production process, and when process part processing shape is unfavorable for that stock utilization promotes, the object achieve and promote stock utilization, ensureing accessory size and presentation quality.
(2) compress the content of Sheet Metal Forming Technology, when requiring to reduce lathe usage quantity and operating personnel's quantity, the component sharing one group of mould realizing two kinds of relevant vehicles is produced.
After Sheet Metal Forming Technology change, the stock utilization of certain vehicle front panel downward-extension part (left/right) part existing can improve 9%, and the board dimension used also has the space reduced further; The scrappage of drawing operation part is reduced to present less than 0.2% by original 4.5%; Machine for producing bed is reduced to 3 by original 4, and producers are reduced to 8 people by 10 original people; The qualification rate of part has been brought up to by 80% ~ 87% of original instability and has all been reached more than 92%; Achieve that two kinds of vehicles use identical mould, punch line, personnel produce.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. automobile dash board downward-extension part diel, comprise upper die and lower die, it is characterized in that, patrix is installed in patrix inside and assists holding pad (8) and patrix cylinder (11), patrix assists the cavity edge region in the position of holding pad (8) and plate four limits relative, and patrix assists holding pad (8) to have the forming surface corresponding to the cavity edge region of plate, patrix cylinder (11) can order about patrix and assist holding pad to move downward;
Counterdie is installed in counterdie inside and assists holding pad (3) and counterdie cylinder (12), counterdie assists the cavity edge region in the position of holding pad (3) and plate four limits relative, and counterdie assists holding pad (3) to have the forming surface corresponding to the cavity edge region of plate, counterdie cylinder (12) can order about counterdie and assist holding pad (3) to move upward;
Patrix cylinder (11) pressure is greater than counterdie cylinder (12).
2. automobile dash board downward-extension part according to claim 1 diel, is characterized in that, patrix cylinder (11) and counterdie cylinder (12) are nitrogen cylinder.
3. automobile dash board downward-extension part according to claim 2 diel, it is characterized in that, also comprise be installed on cylinder (1) on the main holding pad (4) of counterdie and auxiliary holding pad synchronous/force backing mechanism (2), cylinder (1) can drive with lathe source of the gas, forced synchronism/back body (2) is pushed main holding pad (4) and patrix is assisted between holding pad (8).
4. automobile dash board downward-extension part according to claim 3 diel, it is characterized in that, also comprise the pressure being installed on counterdie and retract hook (7), can auxiliary holding pad is synchronous/force back body (2) to be assisted between holding pad (8) by main holding pad (4) and patrix to retract.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420527051.5U CN204182789U (en) | 2014-09-12 | 2014-09-12 | The diel of a kind of automobile dash board downward-extension part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420527051.5U CN204182789U (en) | 2014-09-12 | 2014-09-12 | The diel of a kind of automobile dash board downward-extension part |
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| CN204182789U true CN204182789U (en) | 2015-03-04 |
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| CN201420527051.5U Withdrawn - After Issue CN204182789U (en) | 2014-09-12 | 2014-09-12 | The diel of a kind of automobile dash board downward-extension part |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001792A (en) * | 2014-06-10 | 2014-08-27 | 昆山宝锦激光拼焊有限公司 | Lower die base structure of blanking die |
| CN104438589A (en) * | 2014-09-12 | 2015-03-25 | 柳州五菱汽车有限责任公司 | Automobile front wall plate lower extending piece punching technology and die |
| CN110434234A (en) * | 2019-08-13 | 2019-11-12 | 奇瑞汽车股份有限公司 | A kind of vehicle side-wall outer-plate processing and forming mold and method |
| CN112756454A (en) * | 2021-01-25 | 2021-05-07 | 奇瑞汽车股份有限公司 | Design method of common mode process of left side wall and right side wall of vehicle and common mode die |
-
2014
- 2014-09-12 CN CN201420527051.5U patent/CN204182789U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001792A (en) * | 2014-06-10 | 2014-08-27 | 昆山宝锦激光拼焊有限公司 | Lower die base structure of blanking die |
| CN104438589A (en) * | 2014-09-12 | 2015-03-25 | 柳州五菱汽车有限责任公司 | Automobile front wall plate lower extending piece punching technology and die |
| CN104438589B (en) * | 2014-09-12 | 2016-09-14 | 广西汽车集团有限公司 | A kind of automobile dash board Lower extension Sheet Metal Forming Technology and mould |
| CN110434234A (en) * | 2019-08-13 | 2019-11-12 | 奇瑞汽车股份有限公司 | A kind of vehicle side-wall outer-plate processing and forming mold and method |
| CN110434234B (en) * | 2019-08-13 | 2021-04-27 | 奇瑞汽车股份有限公司 | Automobile side wall outer plate forming and processing die and method |
| CN112756454A (en) * | 2021-01-25 | 2021-05-07 | 奇瑞汽车股份有限公司 | Design method of common mode process of left side wall and right side wall of vehicle and common mode die |
| CN112756454B (en) * | 2021-01-25 | 2022-03-15 | 奇瑞汽车股份有限公司 | Design method of common mode process of left side wall and right side wall of vehicle and common mode die |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGXI PROVINCE AUTOMOBILE GROUP CO., LTD. Free format text: FORMER NAME: WULING AUTOMOBILE CO., LTD., LIUZHOU |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 545007 Liuzhou Hexi Road, the Guangxi Zhuang Autonomous Region, No. 18 Patentee after: Guangxi company limited of automobile group Patentee after: Liuzhou Wuling Automobile Industry Co., Ltd. Address before: 545007 Liuzhou Hexi Road, the Guangxi Zhuang Autonomous Region, No. 18 Patentee before: Liuzhou Wuling Motors Co., Ltd. Patentee before: Liuzhou Wuling Automobile Industry Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150304 Effective date of abandoning: 20160914 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |