CN110624999B - A guide groove one-step punching and forming die structure - Google Patents
A guide groove one-step punching and forming die structure Download PDFInfo
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- CN110624999B CN110624999B CN201910816123.5A CN201910816123A CN110624999B CN 110624999 B CN110624999 B CN 110624999B CN 201910816123 A CN201910816123 A CN 201910816123A CN 110624999 B CN110624999 B CN 110624999B
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- insert
- punching
- block
- punch
- forming
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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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a guide groove one-step punching forming die structure, which comprises an upper die and a lower die, wherein the upper die comprises an upper die base, the upper die base is provided with a material pressing plate, a forming male die and a punching punch beside the forming male die, the working end of the punching punch is lower than that of the forming male die, the lower die comprises a lower die base, a lower die block is arranged on the lower die base, the lower die block is provided with a lower cutter block and an insert, a punching hole for the punching punch to pass through is arranged between the lower cutter block and the insert, the insert is positioned below the forming male die, a driving mechanism is arranged between the upper die base and the lower die base, and after the punching process of the punching punch on a workpiece or the punching punch on the workpiece is completed, the driving mechanism provides a descending space for the insert. The invention can realize punching and boss forming in one station, and improves the production beat.
Description
Technical Field
The invention relates to a die in the field of automobile part production research, in particular to a one-step punching and forming die structure of a guide groove.
Background
The guide groove and the guide rail are welded on the A column, the B column and the C column, the guide rail and the support are welded on the support, and the guide rail and the support are used for protecting and guiding the lifting of the glass after loading.
The guide channel and the guide rail mounted on the automobile have an assembling relationship, and the guide channel and the guide rail need to be connected and excessive in a very smooth way, otherwise, the glass is blocked in the lifting process.
The guide groove is arranged at the transition position and relates to two characteristics of a notch and a boss, the conventional die is manufactured into a 1-die 2-station, the guide groove is firstly arranged at a first station in the die, the notch is punched on the guide groove after the die is closed, the die is separated, the guide groove is arranged at a second station of the die for molding, and the boss is molded on the guide groove after the die is closed again. Since two stations are required for forming one guide groove, the tact is low.
Disclosure of Invention
The invention aims to provide a guide groove one-step punching and forming die structure, which can complete punching and forming in one station and improve the production beat.
The invention solves the technical problems by adopting the technical scheme that the one-step punching forming die structure comprises an upper die and a lower die, wherein the upper die comprises an upper die base, the upper die base is provided with a pressing plate, a forming male die and a punching punch beside the forming male die, the working end of the punching punch is lower than that of the forming male die, the lower die comprises a lower die base, a lower die block is arranged on the lower die base, the lower die block is provided with a lower cutter block and an insert, a punching hole for the punching punch to pass through is arranged between the lower cutter block and the insert, the insert is positioned below the forming male die, a driving mechanism is arranged between the upper die base and the lower die base, and the driving mechanism provides a descending space for the insert after the punching process of the punching punch to a workpiece or the punching punch to the workpiece is finished.
The die structure has the advantages that when the die is assembled, the punching punch is used for punching on the workpiece, or after the punching punch is used for punching on the workpiece, the driving mechanism provides a descending space for the insert, the forming punch drives the insert to descend, and the forming punch and the insert form a boss on the workpiece.
As a further improvement of the technical scheme, the driving mechanism comprises an upper die stamping block arranged on the upper die holder and a sliding component arranged on the lower die holder, and the execution end of the sliding component extends to the lower side of the insert. In the die assembly process, after the upper die molding block is in press contact with the sliding component, the execution end of the sliding component is driven to move, and a downlink space is reserved for the insert.
As a further improvement of the technical scheme, a first plane close to the punching hole, a second plane far away from the punching hole and a transition plane connecting the first plane and the second plane are arranged on the lower end face of the insert, the second plane is higher than the first plane, and in the process of die assembly, the upper die assembly drives the execution end of the slider assembly to move in a direction far away from the punching hole, and the contact point of the execution end of the slider assembly and the insert moves from the first plane to the second plane. In the die assembly process, the forming male die drives the insert to move downwards, and after the upper die assembly is in press contact with the sliding assembly, the execution end of the sliding assembly moves to the second plane along the first plane and the transition plane, so that a descending space is reserved for the insert. In the process of giving up the descending space, the forming male die and the insert form the workpiece.
As a further improvement of the technical scheme, the sliding assembly comprises a fixed block, a sliding block and a sliding block mounted on the sliding block, the sliding block is an execution end of the sliding assembly, an elastic reset piece is arranged between the fixed block and the sliding block, a first driving surface is arranged on the upper portion of the sliding block, and a second driving surface is arranged on the upper die block. After the die is opened, the elastic reset piece drives the sliding block and the sliding block to reset. In the resetting process, the sliding block is moved to the first plane along the second plane and the transition plane, and the insert is reset in an ascending manner.
As a further improvement of the technical scheme, a limiting assembly is arranged between the punching punch and the pressing plate, the limiting assembly comprises a first limiting part arranged on the side face of the punching punch and a second limiting part arranged in the pressing plate, and the first limiting part is located above the second limiting part. The first limiting part and the second limiting part prevent the punching punch from going down to exceed the stroke in the die assembly process.
As a further improvement of the technical scheme, an insert spring is arranged between the insert and the lower die holder. When the mold is closed, the insert descends, and the insert spring is compressed. In the resetting process, the sliding block is moved to the first plane along the second plane and the transition plane, and the insert spring drives the insert to reset upwards.
As a further improvement of the technical scheme, the lower module is provided with a mounting hole for mounting the insert, the inner wall of the mounting hole is provided with a limiting cavity, and the insert is provided with a limiting block capable of moving up and down in the limiting cavity. The height of the limiting cavity is the upward and downward strokes of the insert.
As a further improvement of the technical scheme, the upper end face of the insert is provided with a molding surface, and the side face, close to the lower cutter block, of the insert is provided with a cutter edge surface. A punching hole is formed between the knife edge surface and the lower knife block.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the invention, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.
Fig. 1 is a schematic diagram of a structure of an embodiment of the present invention when the mold is opened.
Fig. 2 is a schematic structural diagram of a pressing plate according to an embodiment of the present invention.
Fig. 3 is a schematic view of a structure of the punching according to the embodiment of the present invention.
Fig. 4 is a schematic view of the structure of the slider block and insert in the embodiment of the present invention.
Fig. 5 is a schematic view of a structure of a forming boss according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a lower module in an embodiment of the present invention.
Fig. 7 is a schematic view of the structure of an insert according to an embodiment of the present invention.
FIG. 8 is a schematic view of a slider assembly according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1-8, a one-step punching forming die structure of a guide groove comprises an upper die and a lower die, wherein the upper die comprises an upper die holder 10, the upper die holder 10 is provided with a pressing plate 13, a forming punch 14 and a punching punch 15 positioned beside the forming punch 14, the working end of the punching punch 15 is lower than that of the forming punch 14, the lower die comprises a lower die holder 20, a lower die block 21 is arranged on the lower die holder 20, the lower die block 21 is provided with a lower cutter block 22 and an insert 24, a punching hole 23 for the punching punch 15 to pass through is arranged between the lower cutter block 22 and the insert 24, the insert 24 is positioned below the forming punch 14, a driving mechanism is arranged between the upper die holder 10 and the lower die holder 20, and after the punching punch 15 punches a workpiece or the punching punch 15 punches the workpiece, the driving mechanism provides a downlink space for the insert 24. The working end of the punching punch 15 and the working end of the forming punch 14 pass through the mounting hole of the platen 13.
The forming punch 14, the punching punch 15 and the pressing plate 13 are arranged on the upper die holder 10 through the fixing plate 11, a spring is arranged between the forming punch 14 and the fixing plate 11, a spring is arranged between the punching punch 15 and the fixing plate 11, and a spring is arranged between the pressing plate 13 and the fixing plate 11.
The lower die holder 20 is provided with a guide block and a guide groove, and the guide groove is communicated with a guide cavity in the lower die block 21, so that an operator can put a workpiece in place conveniently.
A positioning assembly is provided within the lower module 21 adjacent the insert 24. The positioning assembly positions the workpiece.
When the die is assembled, the punching punch 15 is used for punching a workpiece, or after the punching punch 15 is used for punching the workpiece, the driving mechanism provides a descending space for the insert 24, the forming punch 14 drives the insert 24 to descend, and the forming punch 14 and the insert 24 form a boss on the workpiece.
The drive mechanism includes an upper die block 12 disposed on the upper die base 10 and a slide assembly disposed on the lower die base 20 with an actuating end of the slide assembly extending below the insert 24. In the mold closing process, after the upper mold molding block 12 is pressed against the sliding assembly, the execution end of the sliding assembly is driven to move, so that a downlink space is reserved for the insert 24.
The lower end face of the insert 24 is provided with a first plane 25 close to the punching hole 23, a second plane 28 far away from the punching hole 23 and a transition plane 27 connecting the first plane 25 and the second plane 28, wherein the second plane 28 is higher than the first plane 25, and in the process of clamping the die, the upper die block 12 drives the actuating end of the slider assembly to move in the direction far away from the punching hole 23, and the contact point of the actuating end of the slider assembly and the insert 24 moves from the first plane 25 to the second plane 28. In the mold closing process, the molding punch 14 drives the insert 24 to descend, and after the upper molding block 12 is in press contact with the sliding assembly, the execution end of the sliding assembly moves to the second plane 28 along the first plane 25 and the transition plane 27, so that a descending space is reserved for the insert 24. The forming punch 14 and insert 24 form the workpiece during the creation of the downspace.
The sliding assembly comprises a fixed block 31, a sliding block 30 and a sliding block beating block 29 arranged on the sliding block 30, the sliding block beating block 29 is an execution end of the sliding assembly, an elastic reset piece 32 is arranged between the fixed block 31 and the sliding block 30, a first driving surface 33 is arranged on the upper portion of the sliding block 30, and a second driving surface 34 is arranged on the upper die beating block 12. The first driving surface is a plane, and the second driving surface 34 may be a plane or an arc surface. After the mold is opened, the elastic reset member 32 drives the slider 30 and the slider-opening block 29 to reset. During the resetting process, the slider block 29 moves to the first plane 25 along the second plane 28 and the transition plane 27, and the insert 24 is reset upward. The resilient return member 32 includes a return spring and a return guide. The reset guide rod passes through the fixed block 31 and the sliding block 30, the reset spring is sleeved on the outer surface of the reset guide rod, one end of the reset spring is pressed against the fixed block 31, and the other end of the reset spring is pressed against the sliding block 30. The sliding block 30 realizes positioning and guiding along horizontal movement through the guide block, the guide key and the bottom plate.
A sliding block plane 26 matched with the transition plane 27 is arranged between the upper end surface and the front side surface of the sliding block 29, and the sliding block plane 26 is convenient for the sliding block 29 to drive the insert 24 to reset upwards, and is also convenient for the insert 24 to smoothly descend when the sliding block 29 moves leftwards.
A limiting assembly is arranged between the punching punch 15 and the pressing plate 13, the limiting assembly comprises a first limiting part 16 arranged on the side face of the punching punch 15 and a second limiting part 17 arranged in the pressing plate 13, and the first limiting part 16 is located above the second limiting part 17. The first and second limiting portions 16 and 17 prevent the punching punch 15 from going down beyond the stroke during the mold closing process.
An insert spring 38 is disposed between the insert 24 and the lower die holder 20. During mold closing, the insert 24 descends and the insert spring 38 is compressed. During the resetting process, the slider block 29 moves to the first plane 25 along the second plane 28 and the transition plane 27, and the insert spring 38 drives the insert 24 to reset upwards.
The lower module 21 is provided with a mounting hole for mounting the insert 24, the inner wall of the mounting hole is provided with a limiting cavity, and the insert 24 is provided with a limiting block 37 capable of moving up and down in the limiting cavity. The height of the spacing cavity is the upward and downward travel of the insert 24.
The upper end face of the insert 24 is provided with a molding surface 35, and the molding surface 35 is matched with the molding male die 14. The side of the insert 24 adjacent the lower blade 22 is provided with a blade surface 36. A die-cut hole 23 is formed between the edge surface 36 and the lower blade block 22.
The following is a preferred working procedure of the invention:
1. the upper die and the lower die are arranged on a punch press, a workpiece is guided by a guide block and a guide groove, and a positioning assembly is positioned in place;
2. Starting a punch press, driving an upper die to move downwards, and enabling an upper die punching block 12 to move downwards, wherein when the upper die moves downwards by 25mm, a pressing plate 13 just contacts a workpiece, and the pressing effect starts to be carried out, and the pressing plate 13 is kept motionless;
3. the upper die continues to move downwards, the spring starts to compress, when the punching punch 15 moves downwards for 6mm, punching is completed, the punching punch 15 does not work any more after moving downwards, and the upper die block 12 and the sliding block 30 start to contact at the same time;
4. The upper die continues to move downwards, the upper die block 12, the forming male die 14 and the punching punch 15 continue to move downwards, the springs continue to compress, when the upper die moves downwards for 4.5mm again, the upper die block 12 drives the sliding block 30 to move leftwards for 4.5mm, the elastic reset piece compresses for 4.5mm, the sliding block 29 moves leftwards for 4.5mm along with the sliding block 30, the sliding block 29 supports the insert 24, and at the moment, the sliding block 29 and the insert 24 are in a critical state;
5. The upper die continues to move downwards for 2mm, the upper die block 12 drives the sliding block 30 and the sliding block 29 to move leftwards for 2mm, the sliding block 29 and the insert 24 are separated from each other for 2mm, the insert 24 cannot directly move downwards because the lower die of the insert 24 is provided with 2 insert springs 38 which are lifted, meanwhile, the forming male die 14 moves downwards for 2mm, and the forming male die 14 just contacts with the product surface to start forming contents;
6. when the upper die continues to move downwards by 0.5mm, the upper die molding block 12 is in parallel surface contact with the sliding block 30, the sliding block 30 is not driven by the upper die molding block 12, after the sliding mechanism moves downwards by 2mm again, the sliding mechanism is unchanged, the molding male die 14 moves downwards, the molding process is started by the die, and when the sliding mechanism moves to 2.5mm, the die moves to the bottom, and the molding is finished;
7. when the punch starts to move upwards, the die starts to move reversely, the total stroke of the upper die is 40mm, and the die moves to the initial position.
While the preferred embodiments of the present application have been illustrated and described, the present application is not limited to the embodiments, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present application, and these equivalent modifications and substitutions are intended to be included in the scope of the present application as defined in the appended claims.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910816123.5A CN110624999B (en) | 2019-08-30 | 2019-08-30 | A guide groove one-step punching and forming die structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910816123.5A CN110624999B (en) | 2019-08-30 | 2019-08-30 | A guide groove one-step punching and forming die structure |
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| Publication Number | Publication Date |
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| CN110624999A CN110624999A (en) | 2019-12-31 |
| CN110624999B true CN110624999B (en) | 2025-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910816123.5A Active CN110624999B (en) | 2019-08-30 | 2019-08-30 | A guide groove one-step punching and forming die structure |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210907641U (en) * | 2019-08-30 | 2020-07-03 | 广州敏惠汽车零部件有限公司 | Die-cut forming die structure of guide slot one-step method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE30814E (en) * | 1976-04-22 | 1981-12-08 | Man Barrier Corporation | Apparatus and method for forming barbed tape |
| CN201217046Y (en) * | 2008-05-19 | 2009-04-08 | 彭诗均 | Die for manufacturing code-clipping nail |
| CN204583987U (en) * | 2015-03-24 | 2015-08-26 | 广州敏实汽车零部件有限公司 | A kind of collision prevention girders breach blanking die |
| CN207057444U (en) * | 2017-08-02 | 2018-03-02 | 广州敏实汽车零部件有限公司 | A kind of guide groove molding press cutting mechanism |
| CN109500242B (en) * | 2018-11-16 | 2023-07-25 | 宁波横河精密工业股份有限公司 | Stamping die for molding and processing multiple surfaces of automobile skylight guide rail and stamping method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210907641U (en) * | 2019-08-30 | 2020-07-03 | 广州敏惠汽车零部件有限公司 | Die-cut forming die structure of guide slot one-step method |
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| CN110624999A (en) | 2019-12-31 |
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