CN217941582U - Stamping die with two bent sides - Google Patents
Stamping die with two bent sides Download PDFInfo
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- CN217941582U CN217941582U CN202221836407.4U CN202221836407U CN217941582U CN 217941582 U CN217941582 U CN 217941582U CN 202221836407 U CN202221836407 U CN 202221836407U CN 217941582 U CN217941582 U CN 217941582U
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- block
- sliding
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- fixed block
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Abstract
The utility model provides a press die of both sides bending type, including last mould structure and lower mould structure, the bottom of going up the mould structure is equipped with sliding block set spare, and sliding block set spare includes fixed block, two first sliders and four second sliders, and the bottom of mould structure is established to the fixed block, and two first sliders slide respectively and locate left side and right side that the fixed block is relative. Two second sliders slide respectively and locate the front side and the rear side of a first slider, and other two second sliders slide respectively and locate the front side and the rear side of another first slider, and the gliding direction of first slider is perpendicular with the gliding direction of second slider. The longitudinal section of the fixed block and the partial cross section of the first sliding block are both inverted isosceles trapezoids. During the punching press, slider assembly's both sides outwards expand, and after the punching press was accomplished, slider assembly's both sides shrink in to reduce the volume to be applicable to the machined part of treating that the processing lateral wall has the inward bending leg.
Description
[ technical field ] A
The utility model belongs to the technical field of the technique of mould and specifically relates to a press die of both sides buckling is related to.
[ background of the invention ]
As is well known, a press die is a special processing equipment for processing a metal or nonmetal material into a part or a semi-finished product in cold press working, and refers to a press working method for obtaining a desired part by applying pressure to the material at room temperature using a die mounted on a press machine to cause separation or plastic deformation.
However, at present, the metal casing of the existing chassis, power box, set-top box and other devices is generally composed of a box body with an opening on one side and a panel, as shown in fig. 1. This box generally adopts a metal decking to pass through the punching press mould four times punching press in order to form the lateral wall bending of four sides, and this mode then needs manual intervention many times to wait that the machined part takes out and places with on the punching press mould, influences production efficiency and increases the cost of labor.
Accordingly, the prior art is in need of improvement and development.
[ Utility model ] A method for manufacturing a semiconductor device
An object of the utility model is to provide a press die of both sides are buckled for four lateral walls that solve present one side and need influence production efficiency and increase the problem of cost of labor through quartic punching press for the open-ended box.
The technical scheme of the utility model as follows: a stamping die with two bent sides comprises an upper die structure and a lower die structure, wherein a first limiting groove used for placing a workpiece to be machined is formed in the upper surface of the lower die structure, and a second limiting groove is formed in the middle of the first limiting groove;
a sliding block assembly is arranged at the bottom of the upper die structure corresponding to the second limiting groove and comprises a fixed block, two first sliding blocks and four second sliding blocks, the fixed block is arranged at the bottom of the upper die structure, and the two first sliding blocks are respectively arranged on the left side and the right side of the fixed block in a sliding manner; the two second sliding blocks are respectively arranged on the front side and the rear side of one first sliding block in a sliding manner, the other two second sliding blocks are respectively arranged on the front side and the rear side of the other first sliding block in a sliding manner, and the sliding direction of the first sliding block is vertical to that of the second sliding block; the longitudinal section of the fixed block is an inverted isosceles trapezoid, the cross section of the first sliding block corresponding to the second sliding block is an inverted isosceles trapezoid, one side wall of the second sliding block close to the first sliding block is a first inclined surface, and the inclination of the first inclined surface is the same as that of the side surface on the first sliding block;
during punching, the first sliding blocks on two sides extruded by the fixed block move outwards, and the second sliding blocks on two sides extruded by the first sliding blocks move outwards.
Furthermore, an ejection block is arranged in the second limiting groove, and an elastic piece is arranged between the ejection block and the bottom surface of the second limiting groove; when not punching, the top surface of the ejection block and the bottom surface of the first limit groove are positioned on the same horizontal plane.
Furthermore, all inwards cave in on the left side wall of fixed block and the right side wall and be formed with first forked tail shape groove, outside protruding being formed with on the lateral wall that first slider is close to the fixed block with first forked tail shape lug that first forked tail shape groove cooperation was used.
Furthermore, all inwards cave in and are formed with second forked tail shape groove on lateral wall before the first slider and the back lateral wall, the outside arch is formed with the second forked tail shape lug that uses with the cooperation of second forked tail shape groove on the lateral wall that the second slider is close to first slider.
Furthermore, during punching, the bottom surface of the fixed block, the bottom surface of the first sliding block and the bottom surface of the second sliding block are all located on the same plane.
Further, go up the die structure including the upper die base, upper padding plate and the flitch of taking off that from top to bottom set gradually, the fixed block machinery sets up on taking off the flitch on, first slider and second slider all slide and set up on taking off the flitch.
Further, when not punching, the bottom surface of second slider is less than the bottom surface of first slider, and the bottom surface of first slider is less than the bottom surface of fixed block.
Furthermore, the lower die structure comprises a lower die plate, a lower backing plate and a lower die base, and the first limiting groove and the second limiting groove are both located on the lower die plate.
The beneficial effects of the utility model reside in that: compared with the prior art, the utility model discloses a slider assembly and the cooperation of second spacing groove, when the punching press, it is spacing to treat that the machined part is placed in first spacing groove location, and slider assembly downstream extrusion treats the machined part for treating that be located on the spacing trench position of second treats that the machined part is absorbed in the spacing trench of second, thereby can make and be located the perk that makes progress of the machined part of treating of four sides of second spacing groove, cooperation slider assembly's lateral wall, the realization is buckled the side of treating the machined part. Just the utility model discloses utilize the lateral wall motion of first slider along the fixed block, the lateral wall motion of second slider along first slider, during the punching press, go up the downward motion of mould structure and drive the fixed block downstream, and then, the first slider of both sides is being extruded downwards and the outward movement in fixed block both sides inclined plane, and the second slider outward movement is being extruded in first slider downstream, and at this moment, the bottom surface length of sliding block set spare is greater than the bottom surface length of sliding block set spare when not punching press. And accomplish at the punching press, go up mould structure upward movement and drive fixed block upward movement, it is relative, two first sliders are close to for the fixed block downstream under the effect of self gravity, and two second sliders in first slider both sides are close to for the second slider downstream under the effect of self gravity to shorten sliding block set's length from both sides, this structure can let the utility model discloses the press die is applicable to the lateral wall and has the machined part of treating of the leg of inwards buckling, so that this type of machined part processing and processing back can not be because of the leg card of inwards buckling on sliding block set, the drawing of patterns of being convenient for.
[ description of the drawings ]
FIG. 1 is a schematic diagram of a prior art chassis;
fig. 2 is a sectional view of the stamping die of the present invention;
FIG. 3 is a top view of the slider assembly of the present invention;
FIG. 4 is an exploded view of the slider assembly of the present invention;
fig. 5 is a schematic structural view of the first dovetail-shaped groove and the first dovetail-shaped protrusion of the present invention.
[ detailed description ] A
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 2-5, an embodiment of the present invention provides a stamping die with two bent sides.
The stamping die with the two bent sides comprises an upper die structure 10 and a lower die structure 20, wherein a first limiting groove 41 for placing a workpiece 200 to be machined is formed in the upper surface of the lower die structure 20, and a second limiting groove 42 is formed in the middle of the first limiting groove 41. The bottom of the upper die structure 10 is provided with a sliding block assembly 30 corresponding to the position of the second limit groove 42, the sliding block assembly 30 comprises a fixed block 31, two first sliding blocks 32 and four second sliding blocks 33, the fixed block 31 is provided with the bottom of the upper die structure 10, and the two first sliding blocks 32 are respectively arranged on the left side and the right side of the fixed block 31 in a sliding manner. The two second sliders 33 are respectively slidably disposed on the front side and the rear side of one first slider 32, the other two second sliders 33 are respectively slidably disposed on the front side and the rear side of the other first slider 32, and the sliding direction of the first slider 32 is perpendicular to the sliding direction of the second sliders 33. The longitudinal section of the fixed block 31 is an inverted isosceles trapezoid, that is, the left side wall and the right side wall of the fixed block 31 are both inclined surfaces. The cross section of the first slide block 32 corresponding to the second slide block 33 is an inverted isosceles trapezoid, i.e. the front side wall and the rear side wall of the first slide block 32 are both inclined surfaces. The second slider 33 has a first inclined surface 332 on a side wall near the first slider 32, and the first inclined surface 332 has the same inclination as the side surface on the first slider 32.
The utility model discloses a slider assembly 30 and second spacing groove 42 cooperation, when the punching press, it is spacing to treat that machined part 200 places in first spacing groove 41 location, slider assembly 30 downstream extrusion treats machined part 200, make the machined part 200 of treating that is located on second spacing groove 42 position be absorbed in second spacing groove 42, thereby can make the machined part 200 of treating that is located four sides of second spacing groove 42 perk upwards, cooperate slider assembly 30's lateral wall, the realization is buckled the side of treating machined part 200. Just the utility model discloses utilize first slider 32 along the lateral wall motion of fixed block 31, second slider 33 is along the lateral wall motion of first slider 32, during the punching press, go up mould structure 10 downstream and drive fixed block 31 downstream, and then, fixed block 31 both sides inclined plane is extruding the first slider 32 of both sides downwards and outwards moving, and the second slider 33 outwards moving is being extruded in first slider 32 downstream, and at this moment, sliding block set 30's bottom surface length is greater than sliding block set 30's bottom surface length when not punching press. And accomplish at the punching press, go up the upward movement of mould structure 10 and drive fixed block 31 upward movement, it is relative, two first sliders 32 are close to for fixed block 31 downstream under the effect of self gravity, and two second sliders 33 in first slider 32 both sides are close to for second slider 33 downstream under the effect of self gravity to shorten sliding block set's 30 length from both sides, this structure can let the utility model discloses the punching press mould is applicable to the lateral wall and has the machined part 200 of treating of incurving leg, as shown in fig. 1, so that can not be because of incurving leg card on sliding block set 30 after such machined part 200 processing of treating and processing, the drawing of patterns of being convenient for.
Wherein the first inclined surface 332 has the top surface of the second slider 33 inclined toward the bottom surface such that the width of the bottom surface of the second slider 33 is smaller than the width of the top surface, as shown in fig. 4, and the dotted line in fig. 4 is a line of the shape of the bottom surface of the slider assembly 30. In one embodiment, in order to eject the workpiece 200 to be processed, which is placed in the second limiting groove 42 after stamping, so that the user can take out the workpiece, an ejection block 7 is arranged in the second limiting groove 42, and an elastic member 8 is arranged between the ejection block 7 and the bottom surface of the second limiting groove 42. When not punching, the top surface of the ejection block 7 and the bottom surface of the first limit groove 41 are positioned on the same horizontal plane; during punching, the top block moves downwards to extrude the elastic part 8 under the extrusion action of the workpiece 200 to be machined; after punching, the ejector block is reset by the reset acting force of the elastic piece 8 so as to eject the workpiece 200 to be processed. In particular, the elastic member 8 is a spring.
In an embodiment, to realize the sliding arrangement of the first slider 32 and the fixed block 31, a first dovetail-shaped groove 311 is formed on each of the left side wall and the right side wall of the fixed block 31 in an inward concave manner, and a first dovetail-shaped protrusion 321 used in cooperation with the first dovetail-shaped groove 311 is formed on one side wall of the first slider 32 close to the fixed block 31 in an outward convex manner.
In an embodiment, to realize the sliding arrangement of the first slider 32 and the second slider 33, the front side wall and the rear side wall of the first slider 32 are both formed with a second dovetail-shaped groove 322 in an inward concave manner, and one side wall of the second slider 33 close to the first slider 32 is formed with a second dovetail-shaped protrusion 331 in an outward convex manner for cooperating with the second dovetail-shaped groove 322. The second slider 33 and the first slider 32 can slide by the cooperation of the C-shaped sliding groove and the protrusion, and the like, which is not limited herein.
In the above embodiment, when not punching, the bottom surface of the second slider 33 is lower than the bottom surface of the first slider 32, and the bottom surface of the first slider 32 is lower than the bottom surface of the fixed block 31. Furthermore, during stamping, the second slider 33 contacts with the workpiece 200 to be machined first, the first slider 32 contacts with the workpiece 200 to be machined under the extrusion of the fixed block 31, and finally, the fixed block 31 continues to move downwards along with the fixed block 31, and then the fixed block 31 contacts with the workpiece 200 to be machined, at this time, the bottom surfaces of the fixed block 31, the first slider 32 and the second slider 33 are all located on the same plane and simultaneously extrude to be machined, and the two side walls of the workpiece 200 to be machined can be bent by matching with the second limiting groove 42.
In the above embodiment, the upper mold structure 10 includes the upper mold base 1, the upper liner plate 2, and the stripper plate 3 sequentially arranged from top to bottom, the fixing block 31 is mechanically disposed on the upper stripper plate 3, and the first slider 32 and the second slider 33 are both slidably disposed on the stripper plate 3. The lower die structure 20 comprises a lower die plate 4, a lower backing plate 5 and a lower die holder 6 which are sequentially arranged from top to bottom, and the first limiting groove 41 and the second limiting groove 42 are both positioned on the lower die plate 4. Specifically, the top of the first slider 32 and the top of the second slider 33 may be provided with a sliding rod, the top of the sliding rod protrudes outward to form a limiting block, the upper padding plate 2 is provided with a movable groove for the sliding rod to move linearly, and the stripper plate 3 is provided with a bar-shaped counter bore to limit the downward movement position of the sliding rod and the space for the sliding rod to move linearly. In addition, in another embodiment, a first limiting protrusion 312 is disposed in each of the first dovetail groove 311 or the second dovetail groove 322, and a second limiting protrusion 314 used in cooperation with the first limiting protrusion 312 is disposed on each of the first dovetail protrusion 321 or the second dovetail protrusion 331, as shown in fig. 5, so that when the first slider 32 and the second slider 33 are under their own weight, the second limiting protrusion 314 is blocked by the first limiting protrusion 312 and stops moving downwards, so as to prevent the first slider 32 from separating from the fixed block 31 and prevent the second slider 33 from separating from the first slider 32 and affecting the use of the stamping die, which is not limited herein.
The above description is only for the embodiments of the present invention, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (8)
1. The stamping die with the two bent sides is characterized by comprising an upper die structure and a lower die structure, wherein a first limiting groove for placing a workpiece to be machined is formed in the upper surface of the lower die structure, and a second limiting groove is formed in the middle of the first limiting groove;
a sliding block assembly is arranged at the bottom of the upper die structure corresponding to the second limiting groove and comprises a fixed block, two first sliding blocks and four second sliding blocks, the fixed block is arranged at the bottom of the upper die structure, and the two first sliding blocks are respectively arranged on the left side and the right side of the fixed block in a sliding manner; the two second sliding blocks are respectively arranged on the front side and the rear side of one first sliding block in a sliding manner, the other two second sliding blocks are respectively arranged on the front side and the rear side of the other first sliding block in a sliding manner, and the sliding direction of the first sliding block is vertical to that of the second sliding block; the longitudinal section of the fixed block is an inverted isosceles trapezoid, the cross section of the first sliding block corresponding to the position of the second sliding block is an inverted isosceles trapezoid, one side wall of the second sliding block close to the first sliding block is a first inclined surface, and the inclination of the first inclined surface is the same as that of the side surface on the first sliding block;
during punching, the first sliding blocks on two sides extruded by the fixed block move outwards, and the second sliding blocks on two sides extruded by the first sliding blocks move outwards.
2. The press die with the two bent sides as claimed in claim 1, wherein an ejection block is arranged in the second limiting groove, and an elastic piece is arranged between the ejection block and the bottom surface of the second limiting groove; when the first limit groove is not punched, the top surface of the ejection block and the bottom surface of the first limit groove are positioned on the same horizontal plane.
3. The two-sided bending stamping die according to claim 2, wherein the left side wall and the right side wall of the fixed block are both formed with first dovetail-shaped grooves which are inwards recessed, and one side wall of the first sliding block close to the fixed block is formed with first dovetail-shaped convex blocks which are outwards raised and used with the first dovetail-shaped grooves.
4. The double-sided bending die according to claim 3, wherein the front side wall and the rear side wall of the first sliding block are both formed with a second dovetail-shaped groove in an inward concave manner, and one side wall of the second sliding block close to the first sliding block is formed with a second dovetail-shaped convex block in an outward convex manner, wherein the second dovetail-shaped convex block is matched with the second dovetail-shaped groove in use.
5. The die of claim 4, wherein the bottom surface of the fixed block, the bottom surface of the first slide block, and the bottom surface of the second slide block are located on the same plane during stamping.
6. The die set for stamping according to claim 5, wherein the upper die structure comprises an upper die base, an upper backing plate and a stripper plate, the upper die base, the upper backing plate and the stripper plate are sequentially arranged from top to bottom, the fixing block is mechanically arranged on the upper stripper plate, and the first slide block and the second slide block are both slidably arranged on the stripper plate.
7. The die of claim 6, wherein the bottom surface of the second slide block is lower than the bottom surface of the first slide block, and the bottom surface of the first slide block is lower than the bottom surface of the fixed block when the die is not used for stamping.
8. The stamping die with the two bent sides as claimed in claim 7, wherein the lower die structure comprises a lower die plate, a lower backing plate and a lower die base which are sequentially arranged from top to bottom, and the first limiting groove and the second limiting groove are both located on the lower die plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221836407.4U CN217941582U (en) | 2022-07-15 | 2022-07-15 | Stamping die with two bent sides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221836407.4U CN217941582U (en) | 2022-07-15 | 2022-07-15 | Stamping die with two bent sides |
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| Publication Number | Publication Date |
|---|---|
| CN217941582U true CN217941582U (en) | 2022-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221836407.4U Active CN217941582U (en) | 2022-07-15 | 2022-07-15 | Stamping die with two bent sides |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117548545A (en) * | 2024-01-12 | 2024-02-13 | 德阳华智精密科技有限公司 | Dovetail groove stamping die |
-
2022
- 2022-07-15 CN CN202221836407.4U patent/CN217941582U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117548545A (en) * | 2024-01-12 | 2024-02-13 | 德阳华智精密科技有限公司 | Dovetail groove stamping die |
| CN117548545B (en) * | 2024-01-12 | 2024-04-02 | 德阳华智精密科技有限公司 | Dovetail groove stamping die |
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