CN201913155U - Trimming and punching die for longitudinal beam blank of car floor - Google Patents
Trimming and punching die for longitudinal beam blank of car floor Download PDFInfo
- Publication number
- CN201913155U CN201913155U CN 201020694611 CN201020694611U CN201913155U CN 201913155 U CN201913155 U CN 201913155U CN 201020694611 CN201020694611 CN 201020694611 CN 201020694611 U CN201020694611 U CN 201020694611U CN 201913155 U CN201913155 U CN 201913155U
- Authority
- CN
- China
- Prior art keywords
- die
- punch
- cutting
- punch retainer
- bottom plates
- 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
Links
Images
Landscapes
- Punching Or Piercing (AREA)
Abstract
The utility model discloses a trimming and punching die for a longitudinal beam blank of a car floor, which comprises an upper die seat and a lower die seat. The four corners of the upper die seat and the lower die seat are respectively fixed through combinations of guide sleeves and guide columns, the guide sleeves and the guide columns are connected sequentially and are arranged vertical to the planes of the two die seats, and an upper cushion plate, a convex die fixing plate, a rubber pad II, an upper discharging plate, a feeding concave die, a convex and concave die, a lower discharging plate, a rubber pad I and a lower cushion plate are arranged sequentially from top to bottom between the upper die seat and the lower die seat; and the convex die fixing plate and the convex and concave die are correspondingly provided with a plurality of punching heads with penetrating channels. The numerical simulation method is adopted in the design of the die, the die is easy to assemble and has the advantages of good positioning performance and high degree of refinement, and the defects of the existing processing die such as non-precise design and large errors in finished product are overcome.
Description
Technical field
The utility model relates to mould manufacturing field, particularly a kind of mould that is used for car bottom plates longeron base edge-cutting and hole-punching.
Background technology
Automobile longitudinal girder is as the important component part of running car system, is the bridge type structure on the vehicle bridge of bridge before and after being connected across, and is the basis of whole automobile, also is the important component part of automobile frame.General its technology is to carry out initial blanking (side cut and punching are carried out simultaneously) earlier, and the blank that obtains as shown in Figure 2; Next is a bending forming, and its final finished product as shown in Figure 1.
The accurate dimension of blank and shape are difficult to calculate out by theory, because be subjected to material property (as anisotropy), the influence of factors such as molding condition, blank is in the process that is shaped, partial thickening, attenuation can take place inevitably, the inhomogeneous grade that flows can't accurate description motion, cause the design in workpiece size, structure and the ideal that a certain distance is arranged.Along with computer technology develops development with the continuous maturation and the plasticity Computational Mechanics of Finite Element Method rapidly, the designer begins to adopt more method for numerical simulation to study various physical phenomenons in the sheet-metal forming process, so that understand forming process more exactly.With numerical simulation software workpiece is launched, not only reduced artificial workload and amount of calculation, the bigger sum of errors error when also having avoided simultaneously artificial calculating drops to error minimum, has improved the efficient of design greatly,
In view of this, be necessary to utilize method for numerical simulation to design a kind of car bottom plates longeron base edge-cutting and hole-punching mould, have the advantage that assembling is easy, positioning performance is good, the degree that becomes more meticulous is high.
Summary of the invention
In view of this, the purpose of this utility model provides a kind of car bottom plates longeron base edge-cutting and hole-punching mould, has overcome the drawback that existing processing mold design is accurate inadequately, the finished product error is bigger.
The purpose of this utility model is achieved through the following technical solutions:
Car bottom plates longeron base edge-cutting and hole-punching mould of the present utility model, comprise upper bolster and die shoe, fix by the combination of guide pin bushing and guide pillar respectively between four jiaos of described upper and lower die holder, described guide pin bushing and guide pillar join end to end and perpendicular to two die holder planes, are disposed with upper padding plate, punch retainer, valve rubber II, loading and unloading material plate, blanking die, punch-die, following stripper, valve rubber I and lower bolster between the described upper and lower die holder from top to bottom;
Length direction along punch retainer, a wherein end of described punch retainer is as front end, the other end is as the rear end, in the front position of punch retainer, the hold-down screw by passing upper bolster vertically downward is solid punch fixed head and blanking die and the discharging screw I by passing die shoe straight up fixedly lower bolster, valve rubber I and following stripper respectively respectively; At the back-end location of punch retainer, the straight pin by passing upper bolster vertically downward is the other end of blanking die fixedly, and the fixing other end of lower bolster, valve rubber I and following stripper respectively of the discharging screw II by passing die shoe straight up;
The corresponding a plurality of drifts that are provided with the passage perforation on described punch retainer and the punch-die.
Further, the end face of described upper bolster is provided with die shank;
Further, fix by a plurality of equally distributed hold-down screws down between described die shoe, lower bolster and the punch-die, described hold-down screw down vertically screws in from die shoe;
Further, described punch retainer and loading and unloading material plate are fixed by a plurality of equally distributed hold-down screws of going up, the described top screw-in of going up hold-down screw from punch retainer;
Further, the profile shape of punch-die and the geomery of workpiece match, and its punch cutting edge contour is by digital-to-analogue line cutting processing;
Further, the working portion of described blanking die and workpiece are identical substantially, and its cutting edge of die profile is by digital-to-analogue line cutting processing.
The beneficial effects of the utility model are:
The utility model designs by method for numerical simulation, has the advantage that assembling is easy, positioning performance is good, the degree that becomes more meticulous is high, has overcome the drawback that existing processing mold design is accurate inadequately, the finished product error is bigger.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can from practice of the present utility model, obtain instruction to investigating hereinafter.Target of the present utility model and other advantages can realize and obtain by following specification and claims.
Description of drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:
Fig. 1 is the structural representation of car bottom plates longeron;
Fig. 2 is the car bottom plates longeron beam blank structure schematic diagram of edge-cutting and hole-punching;
Fig. 3 is a mould structure schematic diagram of the present utility model;
Fig. 4 is the side cutaway view of punch-die;
Fig. 5 is the schematic top plan view of punch-die;
Fig. 6 is the side cutaway view of blanking bed die;
Fig. 7 is the schematic top plan view of blanking bed die.
The specific embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment only for the utility model is described, rather than in order to limit protection domain of the present utility model.
As shown in Figure 1, car bottom plates longeron base edge-cutting and hole-punching mould of the present utility model, comprise upper bolster 10 and die shoe 21, fix by the combination of guide pin bushing 18 and guide pillar 19 respectively between four jiaos of upper and lower die holder, guide pin bushing 18 and guide pillar 19 join end to end and perpendicular to two die holder planes, are disposed with upper padding plate 9, punch retainer 8, valve rubber II 7, loading and unloading material plate 6, blanking die 5, punch-die 20, following stripper 4, valve rubber I 3 and lower bolster 2 between the upper and lower die holder from top to bottom;
Length direction along punch retainer 8, a wherein end of punch retainer 8 is as front end, the other end is as the rear end, in the front position of punch retainer 8, the hold-down screw 11 by passing upper bolster 10 vertically downward is solid punch fixed head 8 and blanking die 5 and the discharging screw I by passing die shoe 21 straight up fixedly lower bolster 2, valve rubber I 3 and following stripper 4 respectively respectively; Back-end location at punch retainer 8, straight pin 17 by passing upper bolster 10 vertically downward is the other end of blanking die 5 fixedly, and the fixing other end of lower bolster 2, valve rubber I 3 and following stripper 4 respectively of the discharging screw II 1 by passing die shoe straight up;
The corresponding a plurality of drifts (as 12 among Fig. 3,13,15) that are provided with the passage perforation on punch retainer 8 and the punch-die 20, the end face of upper bolster is provided with die shank 16.
Wherein, fix by a plurality of equally distributed hold-down screws 23 down between die shoe 21, lower bolster 2 and the punch-die 20, following hold-down screw 23 screws in from die shoe 21 bottom vertical;
Fig. 4 is the side cutaway view of punch-die, and Fig. 5 is the schematic top plan view of punch-die, and as shown in the figure, the profile shape of punch-die and the geomery of workpiece match, and its punch cutting edge contour is by digital-to-analogue line cutting processing.
Fig. 6 is the side cutaway view of blanking bed die, and Fig. 7 is the schematic top plan view of blanking bed die.As shown in the figure, the working portion of blanking die and workpiece are identical substantially, and its cutting edge of die profile is by digital-to-analogue line cutting processing.
The course of work of the present utility model is as follows:
When press ram is in upper dead center position, the workpiece after the forming process is placed on the punch-die 20 utilizes pin stop to position.This moment, valve rubber I 3 head part that is not stressed was in the initial point position.Press ram drives punch retainer 8 and moves downward, up to the workpiece punching; Simultaneously, valve rubber I 3 and valve rubber II 7 are compacted, and the side cut operation is carried out simultaneously.After shaping was finished, punch retainer was up, and loading and unloading material plate 6 and following stripper 4 eject workpiece and waste material under the elastic force effect of valve rubber II 7 and valve rubber I 3 respectively, and this moment, workpiece was stayed on the punch-die.Thereby finish a stroke.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (6)
1. car bottom plates longeron base edge-cutting and hole-punching mould, it is characterized in that: described punching die comprises upper bolster (10) and die shoe (21), on described, fix by the combination of guide pin bushing (18) and guide pillar (19) respectively between four jiaos of die shoe, described guide pin bushing (18) and guide pillar (19) join end to end and perpendicular to two die holder planes, described on, be disposed with upper padding plate (9) between the die shoe from top to bottom, punch retainer (8), valve rubber II(7), loading and unloading material plate (6), blanking die (5), punch-die (20), following stripper (4), valve rubber I(3) and lower bolster (2);
Length direction along punch retainer (8), a wherein end of punch retainer (8) is as front end, the other end is as the rear end, front position in punch retainer (8), the hold-down screw (11) by passing upper bolster (10) vertically downward be solid punch fixed head (8) and blanking die (5) and the discharging screw I by passing die shoe (21) straight up fixedly lower bolster (2), valve rubber I(3 respectively respectively) and following stripper (4); Back-end location in punch retainer (8), straight pin (17) by passing upper bolster (10) vertically downward is the other end of blanking die fixedly, and by passing the discharging screw II(1 of die shoe straight up) fixedly lower bolster (2), valve rubber I(3 respectively) and the other end of following stripper (4);
Described punch retainer (8) and punch-die (20) are gone up correspondence and are provided with a plurality of drifts that passage connects.
2. car bottom plates longeron base edge-cutting and hole-punching mould according to claim 1, it is characterized in that: the end face of described upper bolster is provided with die shank (16).
3. car bottom plates longeron base edge-cutting and hole-punching mould according to claim 1 and 2, it is characterized in that: fix by a plurality of equally distributed hold-down screws (23) down between described die shoe (21), lower bolster (2) and the punch-die (20), described hold-down screw (23) down vertically screws in from die shoe.
4. car bottom plates longeron base edge-cutting and hole-punching mould according to claim 3, it is characterized in that: described punch retainer (8) and loading and unloading material plate (6) are fixed by a plurality of equally distributed hold-down screws (14) of going up, the described top screw-in of going up hold-down screw (14) from punch retainer (8).
5. car bottom plates longeron base edge-cutting and hole-punching mould according to claim 1, it is characterized in that: the profile shape of described punch-die (20) and the geomery of workpiece match, and its punch cutting edge contour is by digital-to-analogue line cutting processing.
6. car bottom plates longeron base edge-cutting and hole-punching mould according to claim 1, it is characterized in that: the working portion and the workpiece of described blanking die (5) are identical substantially, and its cutting edge of die profile is by digital-to-analogue line cutting processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020694611 CN201913155U (en) | 2010-12-31 | 2010-12-31 | Trimming and punching die for longitudinal beam blank of car floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020694611 CN201913155U (en) | 2010-12-31 | 2010-12-31 | Trimming and punching die for longitudinal beam blank of car floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201913155U true CN201913155U (en) | 2011-08-03 |
Family
ID=44412971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020694611 Expired - Fee Related CN201913155U (en) | 2010-12-31 | 2010-12-31 | Trimming and punching die for longitudinal beam blank of car floor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201913155U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615189A (en) * | 2012-04-06 | 2012-08-01 | 南车戚墅堰机车有限公司 | Sheet-shaped plates compound die |
| CN102814412A (en) * | 2012-08-14 | 2012-12-12 | 济南轨道交通装备有限责任公司 | Small hole punching trimmed composite mould |
| CN103111523A (en) * | 2013-03-05 | 2013-05-22 | 桂林福达股份有限公司 | Optional processing process of clutch driven disc |
| CN103230980A (en) * | 2013-05-10 | 2013-08-07 | 济南铸造锻压机械研究所有限公司 | Die base on punching machine |
| CN104550411A (en) * | 2014-12-19 | 2015-04-29 | 桂林新艺制冷设备有限责任公司 | Punching mold |
| CN109261762A (en) * | 2017-07-18 | 2019-01-25 | 玉溪新天力农业装备制造有限公司 | A kind of bending mould for all kinds of vehicle frame main beams |
| CN113020405A (en) * | 2021-03-15 | 2021-06-25 | 滁州市博精模具设备制造有限公司 | Punching die structure for sheet metal processing |
-
2010
- 2010-12-31 CN CN 201020694611 patent/CN201913155U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615189A (en) * | 2012-04-06 | 2012-08-01 | 南车戚墅堰机车有限公司 | Sheet-shaped plates compound die |
| CN102814412A (en) * | 2012-08-14 | 2012-12-12 | 济南轨道交通装备有限责任公司 | Small hole punching trimmed composite mould |
| CN102814412B (en) * | 2012-08-14 | 2014-11-26 | 济南轨道交通装备有限责任公司 | Small hole punching trimmed composite mould |
| CN103111523A (en) * | 2013-03-05 | 2013-05-22 | 桂林福达股份有限公司 | Optional processing process of clutch driven disc |
| CN103230980A (en) * | 2013-05-10 | 2013-08-07 | 济南铸造锻压机械研究所有限公司 | Die base on punching machine |
| CN104550411A (en) * | 2014-12-19 | 2015-04-29 | 桂林新艺制冷设备有限责任公司 | Punching mold |
| CN109261762A (en) * | 2017-07-18 | 2019-01-25 | 玉溪新天力农业装备制造有限公司 | A kind of bending mould for all kinds of vehicle frame main beams |
| CN113020405A (en) * | 2021-03-15 | 2021-06-25 | 滁州市博精模具设备制造有限公司 | Punching die structure for sheet metal processing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201913155U (en) | Trimming and punching die for longitudinal beam blank of car floor | |
| CN101829727A (en) | Forming process of punching die beam piece | |
| CN1321785C (en) | Apparatus for blanking and processing profile notches of rubber sealing strip | |
| CN102513445A (en) | Trimming and flanging composite stamping die | |
| CN104209406A (en) | Novel automobile beam forming process and stamping die structure | |
| CN102672027A (en) | Large board blanking system for hydraulic press | |
| CN202006242U (en) | Flanging molding die | |
| CN103272926A (en) | Primary stamping forming die | |
| CN205851674U (en) | One-time forming die for the processing of part small arc-shaped | |
| CN106975696A (en) | Vehicle right and left door hinge installing plate diel and Sheet Metal Forming Technology | |
| CN202804053U (en) | Comprehensive processing mold for connecting rod blank forging | |
| CN203470608U (en) | Door frame punching die | |
| CN103111512B (en) | Forming die of reinforcing plate on automobile wiper | |
| CN102284601A (en) | Punch mould of vehicle accelerator pedal support | |
| CN202045281U (en) | Blanking forming and punching die | |
| CN205833978U (en) | Back-row seat framework installs the nutplate progressive die | |
| CN202762805U (en) | Shear type blanking mold | |
| CN103831347A (en) | Edge trimming and punching die for automobile anti-collision beam mounting support | |
| CN103817229A (en) | Raising, flanging and forming die for front main rocker arms of cars | |
| CN203292288U (en) | Punching die for vehicle door hinge mount | |
| CN106984709B (en) | Take turns shaping mould and forming method in the deburring of hood panel and C column inner panel component | |
| CN202079163U (en) | Automatic three-in-one stamping die for automotive box piece | |
| CN213591491U (en) | Side wall stand forming die | |
| CN102166601B (en) | High-speed and a step-by-step forming die and method for stamping part of guide rail | |
| CN203030711U (en) | Punching machining die of transverse beam installing plate of instrument panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110803 Termination date: 20111231 |