CN110625006B - Top cover cutting, flanging and shaping composite die and use method thereof - Google Patents
Top cover cutting, flanging and shaping composite die and use method thereof Download PDFInfo
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- CN110625006B CN110625006B CN201910955735.2A CN201910955735A CN110625006B CN 110625006 B CN110625006 B CN 110625006B CN 201910955735 A CN201910955735 A CN 201910955735A CN 110625006 B CN110625006 B CN 110625006B
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- die
- cutting
- lower die
- flanging
- upper die
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Classifications
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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
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
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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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
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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
- B21D35/003—Simultaneous forming, e.g. making more than one part per stroke
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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
- B21D37/08—Dies with different parts for several steps in a process
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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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a top cover cutting and flanging shaping composite die and a use method thereof, wherein the top cover cutting and flanging shaping composite die comprises an upper die assembly, a pressing device assembly and a lower die assembly; the upper die assembly comprises an upper die base, a die frame cushion block, an upper die shaping insert, an upper die flanging cutting insert, a plurality of springs, a plurality of discharging screws and the like, the pressing device assembly comprises a pressing device and a plurality of pressing device guide plates, and the lower die assembly comprises a lower die base, a plurality of limiters, a lower die cutting shaping insert, a lower die cutting flanging insert, a lower die fixing block, a spring jacking pin and the like. The invention provides a simple and practical top cover cutting-off flanging shaping composite die, which directly realizes cutting-off, flanging and shaping functions without using external equipment such as wedges, air cylinders and the like, reduces die opening cost and production cost, saves part placement cost, part transfer cost and die loading and unloading time, saves die cost and ensures the stability of part size.
Description
Technical Field
The invention relates to the technical field of automobile stamping dies, in particular to a top cover cutting-off flanging shaping composite die and a using method thereof.
Background
With the increasing aesthetic enhancement of consumers at present, the process of changing money and updating the vehicle model is continuously accelerated. Most automobile main engine factories save development cost, shorten part development period, and most choose to reform the existing top cover, so that the length of the original top cover is required to be adjusted, and then the original top cover is spliced into a new top cover in the modes of gluing, welding and the like.
The improvement of the large-sized appearance part such as the top cover brings new requirements to the design of the die, and the part is oversized but only partially improved, so how to design the die meets the quality requirements of the part, saves the cost of the die and the production cost of the part, is a problem that the die designer must consider, and promotes innovation under the background.
Disclosure of Invention
The present invention aims to solve, at least to some extent, one of the above technical problems in the prior art.
Therefore, on one hand, the invention aims to provide a top cover cutting and flanging plastic composite die which comprises an upper die assembly, a pressing device assembly and a lower die assembly,
The upper die assembly comprises an upper die base, a die carrier cushion block, an upper die shaping insert, an upper die flanging cutting insert, a plurality of springs and a plurality of discharging screws, wherein the die carrier cushion block is fixedly connected to the upper die base and is used for upsetting the casting die assembly;
The pressing device assembly comprises a pressing device and a plurality of pressing device guide plates, and the pressing device is hung on the upper die holder through a plurality of discharging screws; the plurality of pressing device guide plates are arranged around the pressing device and used for guiding the pressing device, one ends of the plurality of springs are arranged on the upper die base, the other ends of the plurality of springs are propped against the pressing device, and the pressing device is used for transmitting acting force to press the top cover blank;
The lower die assembly comprises a lower die base, a plurality of limiters, a lower die cutting and shaping insert, a lower die cutting and flanging insert, a lower die fixing block and a spring jacking pin, wherein the limiters are fixedly connected to the lower die base and used for upsetting the upper die assembly, the lower die cutting and shaping insert, the lower die cutting and flanging insert and the lower die fixing block are fixedly connected in a cutting and flanging working area on the lower die base, and the spring jacking pin is fixed on the lower die fixing block and used for pushing cut waste materials out of the lower die fixing block.
The invention provides a simple and practical top cover cutting-off flanging shaping composite die, which directly realizes cutting-off, flanging and shaping functions without using external equipment such as wedges, cylinders and the like.
Based on the technical scheme, the invention can also make the following improvements:
preferably, the upper die holder and the lower die holder are provided with a plurality of die locking grooves with locking and positioning functions at the front and rear sides.
Preferably, the upper die holder is provided with a plurality of guide sleeves, the lower die holder is provided with a plurality of guide posts, and the guide posts are matched with the guide sleeves for use and play a role in guiding during die assembly.
The guide posts and the guide sleeves are arranged on the upper die holder and the lower die holder, so that the mutual positions of the cavities are ensured to be matched correctly when the two die holders are matched.
Preferably, the upper die base and the lower die base are respectively provided with an upper die lifting lug and a lower die lifting lug which are convenient to lift.
Preferably, the upper die holder is provided with a plurality of upper die guide plates, the lower die holder is provided with a plurality of lower die guide plates, the upper die guide plates are matched with the lower die holder body, the lower die guide plates are matched with the upper die holder body, and the upper die and the lower die play a role in guiding when moving.
Preferably, the lower die assembly further comprises a plurality of positioning plates for initially positioning the top cover blank.
Preferably, the lower die assembly further comprises a plurality of positioning pins for precisely positioning the top cover blank.
Preferably, the lower die assembly further comprises a plurality of storage devices applied during storage and transportation of the die, the storage devices being used only during storage or transportation of the die and not during operation.
Preferably, the lower die assembly further comprises a pallet for supporting the top cover blank.
On the other hand, the invention aims to provide a using method of a top cover cutting and flanging plastic composite die, which comprises the following steps:
1) Cutting off the flanging and shaping composite die according to the top cover, and placing the top cover blank before being reformed on the lower die holder for positioning;
2) The upper die assembly descends, firstly, the pressing device is contacted with the outer part of the top cover blank, and the outer molded surface of the top cover blank is pressed by the force transmitted by the spring;
3) The upper die assembly continues to descend, the cutting edge of the upper die flanging cutting insert is contacted with the cutting edges of the lower die cutting shaping insert and the lower die cutting flanging insert, and the top cover blank is cut and flanged;
4) The upper die assembly continues to descend, the upper die shaping insert is contacted with the lower die cutting shaping insert, and the cut part is shaped; the upper die flanging cutting insert is contacted with the lower die fixing block to shape and demould waste materials cut in the middle of the top cover blank, and the cutting flanging shaping is finished;
5) And the worker firstly takes out the waste materials cut off in the middle, and then lifts out the two cut top cover blanks, so that one working cycle is completed.
By adopting the technical scheme, compared with the prior art, the invention has the beneficial effects that:
(1) The invention has simple processing process, directly realizes the functions of cutting, flanging and shaping without using external auxiliary equipment such as wedge, cylinder and the like, has large size of the blank part of the top cover, small die, reduced die opening cost and production cost, and saves the cost of placing the part, the transfer cost of the part and the loading and unloading time of the die.
(2) The invention changes the traditional two sets of dies for cutting and flanging into a set of cap cutting and flanging and reshaping composite die, thereby saving a set of dies and die cost.
(3) The invention can realize one-time positioning, reduce errors caused by repeated positioning and ensure the stability of the size of the part.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a plan view of a lower die of a composite die for cutting and flanging a top cover.
Fig. 2 is a plan view of an upper die of the composite die for cutting and flanging the top cover.
Fig. 3 is an isometric view of a pressing device of the top cover cutting-off flanging shaping composite die.
Fig. 4 is a schematic cross-sectional view in the direction of fig. 1 A-A.
Fig. 5 is a schematic cross-sectional view in the direction of fig. 1B-B.
Wherein, in the drawing,
100-An upper die assembly, wherein the upper die assembly comprises a plurality of die assemblies,
101-An upper die holder, 102-a die carrier cushion block, 103-an upper die shaping insert, 104-an upper die flanging cutting insert, 105-a spring, 106-a discharge screw, 107-a guide sleeve and 108-an upper die lifting lug;
a 200-press assembly, wherein the press assembly,
201-A presser, 202-a presser guide plate;
300-a lower die assembly, wherein the lower die assembly comprises a lower die and an upper die,
301-Lower die holder, 302-limiter, 303-lower die cutting shaping insert, 304-lower die cutting flanging insert, 305-lower die fixing block, 306-spring jack pin, 307-guide post, 308-lower die lifting lug, 309-lower die guide plate, 310-positioning plate, 311-storage and 312-material supporting frame.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Examples:
A cap severing and flanging composite die according to an embodiment of the present invention is described in detail below with reference to fig. 1 to 5.
As shown in fig. 1 to 5, the embodiment of the present invention discloses a cap cutting and flanging plastic composite die, which comprises an upper die assembly 100, a follower assembly 200, a lower die assembly 300,
The upper die assembly 100 comprises an upper die holder 101, a die carrier cushion block 102, an upper die shaping insert 103, an upper die flanging cutting insert 104, a spring 105 and a discharge screw 106, wherein,
The die carrier cushion block 102 is fixedly connected with the middle part of the upper die holder 101 by a screw and is used for upsetting the pressing device assembly 200, and the upper die shaping insert 103 and the upper die flanging cutting insert 104 are fixedly connected with the cutting flanging shaping working area on the upper die holder 101 by a screw and a pin.
In the descending process of the upper die, the upper die flanging cutting insert 104 is contacted with the lower die cutting shaping insert 303 and the lower die cutting flanging insert 304 to realize cutting flanging shaping.
In the descending process of the upper die, the upturning shaping insert 103 contacts with the lower die cutting shaping insert 303 to realize shaping.
The presser assembly 200 comprises two pressers 201 and eight presser guide plates 202, wherein the two pressers 201 are respectively hung on the upper die holder 101 by means of six unloading screws 106, the eight presser guide plates 202 are respectively arranged on the front, the back, the left and the right of the pressers 201 and are used for guiding the pressers 201, one ends of ten springs 105 are arranged in drilling holes on the upper die holder 101, and the other ends of the ten springs 105 are propped against the pressers 201 and are used for transmitting force to the pressers 201 to compress a top cover blank.
In the descending process of the upper die, the two pressing devices 201 press the top cover blank by the force transmitted by the springs 105, so that the top cover blank is prevented from deforming during cutting and flanging and shaping, and the quality of parts is ensured.
The lower die assembly 300 comprises a lower die base 301, limiters 302, a lower die cutting and shaping insert 303, a lower die cutting and flanging insert 304, a lower die fixing block 305 and a spring jacking pin 306, wherein the four limiters 302 are fixedly connected to the lower die base 301 through screws and used for upsetting the upper die assembly 100, the lower die fixing block 305 is fixedly connected to a cutting and flanging working area on the lower die base 301 through screws, the lower die cutting and shaping insert 303 and the lower die cutting and flanging insert 304 through screws and pins, and the spring jacking pin 306 is fixed to the lower die fixing block 305 through self threads and used for pushing cut waste materials out of the lower die fixing block 305.
In the descending process of the upper die, the lower die cutting shaping insert 303 is contacted with the upper die flanging cutting insert 104 to realize cutting, and then contacted with the upper die shaping insert 103 to realize shaping.
In the descending process of the upper die, the lower die cutting flanging insert 304 is contacted with the upper die flanging cutting insert 104 to realize cutting flanging.
In the descending process of the upper die, the lower die fixing block 305 is in contact with the upper die flanging cutting insert 104 to realize waste forming, so that waste is prevented from being clamped between the lower die cutting and shaping insert 303 and the lower die cutting and flanging insert 304, deformation of the part during flanging cutting and shaping is prevented, and the quality of the part is ensured.
During the return stroke of the upper die, the cut scrap can be pushed out of the lower die fixing block 305 by the force transmitted by the ejector pin 306.
In the technical solution of the above embodiment, three mold locking grooves with locking and positioning functions are formed in front and rear of the upper mold base 101 and the lower mold base 301.
In the technical solution of the above embodiment, four guide sleeves 107 are fixedly connected to four corners of the upper die holder 101 by screws, four guide posts 307 are fixedly connected to four corners of the lower die holder 301 by screws, and the four guide posts 307 are used in cooperation with the four guide sleeves 107, so that a guiding function is achieved during die assembly.
In the technical solution of the above embodiment, the upper die lifting lugs 108 which are convenient to lift are installed at four corners of the upper die holder 101, and the lower die lifting lugs 308 which are convenient to lift are installed at four corners of the lower die holder 301.
In the technical solution of the above embodiment, four upper mold guide plates are disposed on the upper mold base 101, four lower mold guide plates 309 are disposed on the lower mold base 301, the upper mold guide plates are used in cooperation with the lower mold base body, the lower mold guide plates 309 and the upper mold base body, and play a guiding role when the upper and lower molds move, specifically, the upper mold guide plates play a guiding role in the Y direction, and the lower mold guide plates 309 play a guiding role in the X direction.
In the solution of the foregoing embodiment, the lower die assembly 300 further includes six positioning plates 310 for initially positioning the top cover blank, and further, the lower die assembly 300 further includes a plurality of positioning pins for accurately positioning the top cover blank.
In the solution of the above embodiment, the lower die assembly 300 further includes four storage units 311 applied during the storage and transportation of the die, and the four storage units 311 are used only during the storage or transportation of the die, and are not used during the operation.
In the solution of the above embodiment, the lower die assembly 300 further includes a material holder 312 for supporting the top cover blank.
The embodiment of the invention also discloses a use method of the top cover cutting and flanging plastic composite die, which comprises the following steps:
1) According to the top cover cutting and flanging plastic composite die described in the embodiment, the top cover blank before being reformed is placed on the lower die holder 301 for positioning;
Specifically, the long top cover before being reformed is placed on a lower die holder 301, the top cover blank part is initially positioned by six positioning plates 310 in the feeding process, and then is precisely positioned by attaching a die positioning pin and a part molded surface with the die molded surface;
2) The upper die assembly 100 descends, firstly, the pressing device 201 contacts with the outer part of the top cover blank, and the outer molded surface of the top cover blank is pressed by the force transmitted by the spring 105, so that the top cover blank part is prevented from deforming in the stamping process;
3) The upper die assembly 100 continues to descend, the cutting edge of the upper die flanging cutting insert 104 contacts with the cutting edges of the lower die cutting shaping insert 303 and the lower die cutting flanging insert 304, and the top cover blank is cut and flanged;
4) The upper die assembly 100 continues to move downwards, the upper die shaping insert 103 contacts with the lower die cutting shaping insert 303, and the cut part is shaped, the upper die flanging cutting insert 104 contacts with the lower die fixing block 305, and the waste material cut in the middle of the top cover blank is shaped and demoulded, and the cutting flanging shaping is finished;
In the above process, the presser 201 always presses the outer profile of the cap blank part and as the compression of the spring 105 increases, the pressure increases and reaches a maximum value after the shaping is finished;
5) The upper die assembly 100 is moved upward, and in the upward process, the presser 201 and the spring 105 are restored to the original state, and the worker takes out the waste material cut off in the middle and then lifts up the two cut-off cap blanks, so that one working cycle is completed.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A top cover cutting-off flanging shaping composite die is characterized by comprising an upper die assembly (100), a pressing piece assembly (200) and a lower die assembly (300),
The upper die assembly (100) comprises an upper die holder (101), a die carrier cushion block (102), an upper die shaping insert (103), an upper die flanging cutting insert (104), a plurality of springs (105) and a plurality of discharging screws (106), wherein the die carrier cushion block (102) is fixedly connected to the upper die holder (101) and used for upsetting the follower assembly (200), and the upper die shaping insert (103) and the upper die flanging cutting insert (104) are fixedly connected to a cutting flanging shaping working area on the upper die holder (101);
The pressing device assembly (200) comprises a pressing device (201) and a plurality of pressing device guide plates (202), wherein the pressing device (201) is hung on the upper die holder (101) through a plurality of discharging screws (106), the plurality of pressing device guide plates (202) are arranged on the periphery of the pressing device (201) and are used for guiding the pressing device (201), one ends of a plurality of springs (105) are arranged on the upper die holder (101), and the other ends of the springs are propped against the pressing device (201) and transmit acting force to the pressing device (201) to press a top cover blank;
The lower die assembly (300) comprises a lower die holder (301), a plurality of limiters (302), a lower die cutting and shaping insert (303), a lower die cutting and flanging insert (304), a lower die fixing block (305) and a spring knock pin (306), wherein the limiters (302) are fixedly connected to the lower die holder (301) and used for upsetting the upper die assembly (100), the lower die cutting and shaping insert (303), the lower die cutting and flanging insert (304) and the lower die fixing block (305) are fixedly connected in a cutting and flanging working area on the lower die holder (301), and the spring knock pin (306) is fixed on the lower die fixing block (305) and used for pushing cut waste materials out of the lower die fixing block (305);
The die locking device comprises an upper die holder (101) and a lower die holder (301), wherein a plurality of die locking grooves with locking and positioning functions are formed in the front and the rear of the upper die holder (101) and the lower die holder (301), a plurality of guide sleeves (107) are arranged on the upper die holder (101), a plurality of guide posts (307) are arranged on the lower die holder (301), and the guide posts (307) are matched with the guide sleeves (107) for use and play a guiding role in die assembly.
2. The roof cutting and flanging composite die as claimed in claim 1, wherein the upper die holder (101) and the lower die holder (301) are each provided with an upper die lifting lug (108) and a lower die lifting lug (308) which are convenient to lift.
3. The top cover cutting, flanging and shaping composite die according to claim 1, wherein a plurality of upper die guide plates are arranged on the upper die holder (101), a plurality of lower die guide plates (309) are arranged on the lower die holder (301), and the upper die guide plates are matched with the lower die holder body, and the lower die guide plates (309) are matched with the upper die holder body to play a role in guiding when the upper die and the lower die move.
4. The roof cutting and flanging composite die according to claim 1, wherein the lower die assembly (300) further comprises a plurality of positioning plates (310) for initially positioning the roof blank.
5. The roof cutting and flanging composite die as claimed in claim 4, wherein the lower die assembly (300) further comprises a plurality of positioning pins for precisely positioning the roof blank.
6. The roof cutting and flanging composite die as claimed in claim 1, wherein the lower die assembly (300) further comprises a plurality of storage means (311) for use in storing and transporting the die.
7. The roof cutting and flanging composite die as claimed in claim 1, wherein the lower die assembly (300) further comprises a material holder (312) for supporting a roof blank.
8. The application method of the composite die for cutting and flanging the top cover is characterized by comprising the following steps of:
1) The cap cutting and flanging plastic composite die according to any one of claims 1-7, wherein a cap blank before being reformed is placed on the lower die holder (301) for positioning;
2) The upper die assembly (100) descends, firstly, the pressing device (201) is contacted with the outer part of the top cover blank, and the outer molded surface of the top cover blank is pressed by the force transmitted by the spring (105);
3) The upper die assembly (100) continues to descend, the cutting edge of the upper die flanging cutting insert (104) is contacted with the cutting edges of the lower die cutting shaping insert (303) and the lower die cutting flanging insert (304), and the top cover blank is cut and flanged;
4) The upper die assembly (100) continues to move downwards, the upper die shaping insert (103) is contacted with the lower die cutting shaping insert (303), and the cut part is shaped; shaping and demolding the waste materials cut in the middle of the top cover blank by the contact of the upper die flanging cutting insert (104) and the lower die fixing block (305), and finishing the cutting flanging shaping;
5) And the upper die assembly (100) ascends, the pressing device (201) and the spring (105) recover to an initial state in the ascending process, and a worker firstly takes out waste materials which are cut off in the middle and then lifts out two cut-off top cover blanks, so that one working cycle is completed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910955735.2A CN110625006B (en) | 2019-10-09 | 2019-10-09 | Top cover cutting, flanging and shaping composite die and use method thereof |
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| CN201910955735.2A CN110625006B (en) | 2019-10-09 | 2019-10-09 | Top cover cutting, flanging and shaping composite die and use method thereof |
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| CN110625006B true CN110625006B (en) | 2025-03-25 |
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| CN114798921A (en) * | 2022-06-08 | 2022-07-29 | 厦门金龙汽车车身有限公司 | Multi-process-integrated composite die |
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| CN210907672U (en) * | 2019-10-09 | 2020-07-03 | 厦门金龙汽车车身有限公司 | Top cover cutting, flanging and shaping composite die |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210907672U (en) * | 2019-10-09 | 2020-07-03 | 厦门金龙汽车车身有限公司 | Top cover cutting, flanging and shaping composite die |
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| Publication number | Publication date |
|---|---|
| CN110625006A (en) | 2019-12-31 |
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