CN215879523U - Square plate die device - Google Patents
Square plate die device Download PDFInfo
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- CN215879523U CN215879523U CN202121989476.4U CN202121989476U CN215879523U CN 215879523 U CN215879523 U CN 215879523U CN 202121989476 U CN202121989476 U CN 202121989476U CN 215879523 U CN215879523 U CN 215879523U
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Abstract
The utility model discloses a square plate die device, which comprises: the upper die frame is provided with a female die and a die core positioned in the middle of the female die; the male die holder is provided with a male die, and the upper end surface of the male die is matched and pressed with the die core; wherein, a gap smaller than the wall thickness of the workpiece before thinning and stretching is formed between one side wall of the female die and one side wall of the male die. Therefore, in the stretching process, the gap between the first side wall of the female die and the first side wall of the male die is smaller than the wall thickness of the workpiece before thinning and stretching, and the female die and the male die extrude the side wall of the workpiece, so that the workpiece has certain stability and is convenient to form, the surface roughness of the outer side wall of the workpiece can achieve the polishing-free effect, the production process flow is optimized, the process cost is greatly reduced, the production efficiency is improved, and the labor intensity of operators is reduced.
Description
Technical Field
The utility model relates to the technical field of molds, in particular to a square plate mold device.
Background
The existing square plate forming die is single in structure and only used for stretch forming. Because the drawing trace of the side wall of the workpiece is serious, the subsequent process needs to be polished to remove the drawing defect; and because the bottom of the stretched workpiece is convex outwards, the subsequent process also needs to carry out an undercut pressing step on the stretched workpiece, and after the undercut pressing step is carried out independently, the disc opening of the workpiece is easy to deform (such as swell), so that the correction is difficult, the disc bottom swing is difficult to be considered, and the process steps of the workpiece are various.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a square disc die device which can enable the surface roughness of the outer side wall of a workpiece to achieve a polishing-free effect and optimize the production process flow.
The square plate die device according to the embodiment of the utility model comprises: the upper die frame is provided with a female die and a die core positioned in the middle of the female die; the male die holder is provided with a male die, and the upper end surface of the male die is matched and pressed with the die core; and a gap smaller than the wall thickness of the workpiece before thinning and stretching is formed between one side wall of the female die and one side wall of the male die.
The square plate die device provided by the embodiment of the utility model at least has the following beneficial effects: the workpiece is placed on the male die, and is pressed with the upper end face of the male die through the die core, and the female die and the male die are assembled to stretch and form the workpiece with the bent side wall, namely the square plate. Therefore, in the stretching process, the gap between the first side wall of the female die and the first side wall of the male die is smaller than the wall thickness of the workpiece before thinning and stretching, and the female die and the male die extrude the side wall of the workpiece, so that the workpiece has certain stability and is convenient to form, the surface roughness of the outer side wall of the workpiece can achieve the polishing-free effect, the production process flow is optimized, the process cost is greatly reduced, the production efficiency is improved, and the labor intensity of operators is reduced.
According to some embodiments of the utility model, a gap between a side wall of the female die and a side wall of the male die is 0.8 to 0.85 times a wall thickness of the workpiece before ironing.
According to some embodiments of the utility model, the clearance between a side wall of the female die and a side wall of the male die is 2.5 mm.
According to some embodiments of the utility model, the mold core is provided with a convex surface, and the upper end face of the male mold is provided with a groove capable of accommodating the convex surface.
According to some embodiments of the utility model, the mold core is removably connected to the upper mold frame.
According to some embodiments of the utility model, the upper mold frame is provided with a first bolt movable relative to the upper mold frame, the first bolt being threadedly engaged with the mold core.
According to some embodiments of the utility model, a first shim plate is disposed between the upper mold frame and the female mold.
According to some embodiments of the utility model, the upper mold frame, the first backing plate and the female mold are fixedly connected through a second bolt.
According to some embodiments of the utility model, the stamping die further comprises a blank holder which is arranged around the male die and can move up and down relative to the male die, the blank holder is correspondingly abutted against the female die, and the blank holder is in transmission connection with an oil press ejector rod.
According to some embodiments of the utility model, a second cushion plate is arranged between the blank holder and the oil press ejector rod, and the blank holder, the second cushion plate and the oil press ejector rod are fixedly connected through a third bolt.
According to some embodiments of the utility model, the punch is connected to the punch holder by a fourth bolt.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic diagram of a part of a left mold closing state and a part of a right mold opening state of a square plate mold device according to an embodiment of the utility model;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic structural diagram of a square plate mold device according to an embodiment of the present invention engaged with a workpiece;
FIG. 4 is a schematic structural view of a male mold;
FIG. 5 is a schematic structural view of a mold core;
FIG. 6 is a schematic structural view of a square plate;
reference numerals:
an upper die frame 10, a female die 11, a die core 12 and a convex surface 121;
the male die holder 20, the male die 21 and the groove 211;
the workpiece 30, the gap 40, the first bolt 51, the second bolt 52, the third bolt 53, and the fourth bolt 54;
the device comprises a first cushion plate 61, a second cushion plate 62, a blank holder 70 and an oil press ejector rod 80.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
As shown in fig. 1 to 6, a square plate mold apparatus according to an embodiment of the present invention includes: an upper mold frame 10 provided with a female mold 11 and a mold core 12 positioned in the middle of the female mold 11; the male die holder 20 is provided with a male die 21, and the upper end surface of the male die 21 is matched and pressed with the die core 12; wherein, a gap 40 which is smaller than the wall thickness of the workpiece 30 before the thinning and stretching is arranged between one side wall of the female die 11 and one side wall of the male die 21.
According to the square plate die device of the embodiment of the utility model, the workpiece 30 is placed on the male die 21, the die core 12 is pressed on the upper end surface of the male die 21, and the female die 11 and the male die 21 are matched to stretch and form the workpiece 30 with the bent side wall, namely the square plate. Therefore, in the stretching process, the gap between one side wall of the female die 11 and one side wall of the male die 21 is smaller than the wall thickness of the workpiece 30 before thinning and stretching, and the female die 11 and the male die 21 extrude the side wall of the workpiece 30, so that the workpiece 30 has certain stability and is convenient to form, the surface roughness of the outer side wall of the workpiece 30 can achieve the polishing-free effect, the production process flow is optimized, the process cost is greatly reduced, the production efficiency is improved, and the labor intensity of operators is reduced.
It can be understood that, as shown in fig. 1 to 3, in some embodiments of the present invention, the gap 40 between a side wall of the female die 11 and a side wall of the male die 21 is 0.8 to 0.85 times of the wall thickness of the workpiece 30 before ironing, and the structure is reasonable, which is beneficial to the polishing-free effect of the surface roughness of the outer side wall of the workpiece 30.
In a particular embodiment, the clearance 40 between a side wall of the matrix 11 and a side wall of the punch 21 is 2.5 mm. It can be understood that the thickness of the workpiece 30 is 3 mm, and the gap 40 between the female die 11 and the male die 21 is 2.5 mm, so that the female die 11 and the male die 21 can press the side wall of the workpiece 30, and the circumferential side wall of the workpiece 30 is 2.5 mm, which is beneficial to the effect that the surface roughness of the outer side wall of the workpiece 30 can achieve the polishing-free effect.
In some embodiments of the present invention, the mold core 12 is provided with a raised surface 121, and the upper end surface of the male mold 21 is provided with a groove 211 capable of receiving the raised surface 121. Therefore, in the stretching process, the die can not only press the bottom concave to the workpiece, but also the gap between one side wall of the female die 11 and one side wall of the male die 21 is smaller than the wall thickness of the workpiece 30 before thinning and stretching, and the workpiece 30 can be extruded by the female die 11 and the male die 21, so that the workpiece 30 has certain stability and is convenient to form.
It should be noted that, in some embodiments of the present invention, the workpiece is undercut by the cooperation of the convex surface 121 and the groove 211, and the bottom of the workpiece is recessed inward by 1.5-2 mm.
It should be noted that, in some embodiments of the present invention, the groove 211 is located in the middle of the punch 21, and when the workpiece 30 is stretched, the four corners of the square plate of the workpiece 30 are higher than the middle of the four sides by about 0.5 mm, i.e., the four corners land when the square plate is laid flat, but the middle of the four sides is 0.5 mm away from the center). The workpiece 30 is placed on the plane, and only the swinging direction of the tray bottom needs to be found out, and the workpiece can be easily corrected by tapping one of the corners of the tray bottom, so that the correction difficulty is greatly reduced.
It will be appreciated that in some embodiments of the present invention, as shown in fig. 1 and 3, the mold core 12 is removably attached to the upper mold frame 10. By adopting the structure, the mold core 12 is arranged to be movable, and when the female mold 11 and the male mold 21 are closed, the groove 211 on the mold core 12 and the male mold 21 can be slowly contacted, so that the workpiece 30 can be conveniently molded; when the female die 11 and the male die 21 are opened, the die core 12 can move towards the male die 21, so that the material returning effect is achieved, and the design is reasonable.
As shown in fig. 1 and 3, in some embodiments of the present invention, the upper mold frame 10 is provided with a first bolt 51 movable relative to the upper mold frame 10, and the first bolt 51 is screwed to the mold core 12, so that the structure is simple and the assembly, disassembly and maintenance are convenient.
As shown in fig. 1 and 3, in some embodiments of the present invention, a first shim plate 61 is disposed between the upper mold frame 10 and the female mold 11 to increase the strength of the female mold 11 and prevent the female mold 11 from being deformed and broken due to an excessive force during the stamping process
In some embodiments of the present invention, the upper mold frame 10, the first cushion plate 61 and the female mold 11 are fixedly connected through the second bolt 52, which is simple in structure and convenient to disassemble and assemble.
It can be understood that, as shown in fig. 1 and 3, in some embodiments of the present invention, a blank holder 70 is further included, the blank holder 70 is disposed around the punch 21 and can move up and down relative to the punch 21, the blank holder 70 abuts against the die 11 correspondingly, and the blank holder 70 is in driving connection with an oil press ram 80, which can prevent the lip portion of the workpiece 30 from buckling and wrinkling during the drawing process, and can drive the blank holder 70 to move towards the die 11 through the oil press ram 80, which plays a role of material returning.
In some embodiments of the present invention, the second cushion plate 62 is disposed between the blank holder 70 and the oil press ram 80, and the blank holder 70, the second cushion plate 62 and the oil press ram 80 are connected and fixed by the third bolt 53, which is simple in structure and convenient for disassembly and maintenance.
As shown in fig. 1 and 3, in some embodiments of the present invention, the punch 21 is connected to the punch holder 20 by a fourth bolt 54, which is simple in structure and easy to disassemble, assemble and maintain.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The utility model is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the utility model, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (10)
1. Square dish mould device, its characterized in that includes:
the upper die frame (10) is provided with a female die (11) and a die core (12) positioned in the middle of the female die (11);
the male die holder (20) is provided with a male die (21), and the upper end surface of the male die (21) is matched and pressed with the die core (12);
wherein a gap (40) smaller than the wall thickness of the workpiece (30) before the thinning and stretching is formed between one side wall of the female die (11) and one side wall of the male die (21).
2. The square plate die device according to claim 1, wherein a gap (40) between a side wall of the die (11) and a side wall of the punch (21) is 0.8 to 0.85 times a wall thickness of the workpiece (30) before ironing.
3. Square tray mould device according to claim 1, characterized in that the gap (40) between a side wall of the female mould (11) and a side wall of the male mould (21) is 2.5 mm.
4. Square plate die set according to claim 1, characterized in that the core (12) is provided with a raised surface (121) and the upper end surface of the punch (21) is provided with a recess (211) capable of receiving the raised surface (121).
5. Square tray mould device according to claim 1, characterized in that the mould core (12) is movably connected to the upper mould frame (10).
6. Square tray mould arrangement according to claim 4, characterized in that the upper mould carrier (10) is provided with a first bolt (51) movable relative to the upper mould carrier (10), the first bolt (51) being screwed to the mould core (12).
7. The square plate die device according to claim 1, wherein a first cushion plate (61) is arranged between the upper die frame (10) and the female die (11), and the upper die frame (10), the first cushion plate (61) and the female die (11) are fixedly connected through a second bolt (52).
8. The square plate die device according to claim 1, further comprising a blank holder (70) which is arranged around the male die (21) and can move up and down relative to the male die (21), wherein the blank holder (70) is correspondingly abutted against the female die (11), and the blank holder (70) is in transmission connection with an oil press ejector rod (80).
9. The square plate die device according to claim 8, wherein a second cushion plate (62) is arranged between the blank holder (70) and the oil press ejector rod (80), and the blank holder (70), the second cushion plate (62) and the oil press ejector rod (80) are fixedly connected through a third bolt (53).
10. Square plate die set according to claim 1, characterized in that the punch (21) is connected to the punch shoe (20) by a fourth bolt (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121989476.4U CN215879523U (en) | 2021-08-23 | 2021-08-23 | Square plate die device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121989476.4U CN215879523U (en) | 2021-08-23 | 2021-08-23 | Square plate die device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215879523U true CN215879523U (en) | 2022-02-22 |
Family
ID=80341404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121989476.4U Active CN215879523U (en) | 2021-08-23 | 2021-08-23 | Square plate die device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215879523U (en) |
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2021
- 2021-08-23 CN CN202121989476.4U patent/CN215879523U/en active Active
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