CN112958686A - Fine blanking die for improving corner collapse - Google Patents
Fine blanking die for improving corner collapse Download PDFInfo
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- CN112958686A CN112958686A CN201911277388.9A CN201911277388A CN112958686A CN 112958686 A CN112958686 A CN 112958686A CN 201911277388 A CN201911277388 A CN 201911277388A CN 112958686 A CN112958686 A CN 112958686A
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- block
- die
- improving
- guide block
- fine blanking
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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
- B21D28/14—Dies
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- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a fine blanking die for improving collapse angle, which comprises: the device comprises an accommodating groove, a push rod, a driving guide block, a driven guide block and an extrusion block; the containing groove is arranged on the surface of the female die; the pressing block is provided with a driving column; the push rod is arranged on the outer side of the driving column and is in an inverted U shape; the active guide blocks are arranged on two sides of the lower end surface of the push rod; the driven guide block is arranged below one side of the pressing block on the driving guide block, one side surface of the driving guide block facing the pressing block is an inclined surface S, one side surface of the driven guide block departing from the pressing block is an inclined surface S, and the inclined surface S are parallel to each other; the extrusion block is arranged at the bottom of the driven guide block; and a material plate is arranged between the male die and the female die and is positioned between the two extrusion blocks. According to the fine blanking die for improving the corner collapse, in the stamping process of the material plate, the plastic deformation is continuously filled into the corner collapse, so that the effect of improving the corner collapse is achieved.
Description
Technical Field
The invention relates to the technical field of fine blanking dies, in particular to a fine blanking die for improving corner collapse.
Background
The fine blanking is an advanced metal plastic forming process, compared with the common blanking, the die structure of the fine blanking is added with a blank holder and a reverse top plate, in the fine blanking process, the edge part can generate a corner collapse when a flitch is stamped, and the size of the corner collapse is an important standard for evaluating the quality of fine blanking parts, so that the yield of the part processing can be improved by improving the corner collapse of the fine blanking die.
Disclosure of Invention
In order to solve the technical problems, the fine blanking die for improving the corner collapse provided by the invention continuously fills the position where the corner collapse is generated by utilizing the self plastic deformation process in the stamping process of the material plate, so that the corner collapse is improved.
The utility model provides an improve fine blanking mould of corner collapse, includes terrace die, briquetting, kicking block and V-arrangement clamping ring, still includes: the device comprises an accommodating groove, a push rod, a driving guide block, a driven guide block and an extrusion block;
the accommodating groove is arranged on the surface of the female die, is matched with the V-shaped pressing ring in size and is positioned right below the V-shaped pressing ring;
the pressing block is provided with a driving column which is used for connecting a power source to drive the pressing block to move;
the push rod is arranged on the outer side of the driving column and is in an inverted U shape;
the active guide blocks are arranged on two sides of the lower end surface of the push rod;
the driven guide block is arranged below one side of the pressing block of the driving guide block, one side surface of the driving guide block facing the pressing block is an inclined surface, one side surface of the driven guide block departing from the pressing block is an inclined surface, and the inclined surface are parallel to each other;
the extrusion block is arranged at the bottom of the driven guide block;
and a material plate is arranged between the male die and the female die and is positioned between the two extrusion blocks.
In one embodiment, the upper end surface of the female die is provided with two symmetrically distributed transverse sliding grooves, movable transverse sliding blocks are arranged in the transverse sliding grooves, springs are arranged between the transverse sliding blocks and the inner walls of the side surfaces of the transverse sliding grooves, and the springs provide elastic force for the transverse sliding blocks in the direction away from the ejector block;
the transverse sliding block is connected with the extrusion block through a transverse plate.
In one embodiment, the inner walls of two sides of the male die are provided with vertical sliding grooves which are symmetrically distributed, movable vertical sliding blocks are arranged in the vertical sliding grooves, and the vertical sliding blocks are fixedly connected with the active guide block.
In one embodiment, notches for providing space for the driven guide block to move are arranged on two sides of the lower end surface of the male die.
In one embodiment, the first inclined plane is provided with a rotating shaft with one side extending out of the first inclined plane.
In one embodiment, the beveled tip has a transition surface with a smaller angle of inclination than the first beveled surface.
In one embodiment, the receiving groove is located between the two pressing blocks.
In one embodiment, the thickness of the slab is equal to the thickness of the extrusion block.
The fine blanking die for improving the corner collapse has the following beneficial effects:
in the fine blanking process of the flitch, the flitch is extruded to one side of a formed collapsed angle, the flitch is subjected to plastic deformation during extrusion, and the flitch can be continuously filled into the collapsed angle position in the deformation process, so that the collapsed angle is improved.
Drawings
FIG. 1 is a schematic structural view of a fine blanking die for improving corner collapse in one embodiment;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view of FIG. 1 at B;
FIG. 4 is a perspective view of a fine blanking die for improving corner collapse in one embodiment;
FIG. 5 is a schematic view of the structure of the male mold in one embodiment;
FIG. 6 is a schematic view of the male and female dies being pressed together in one embodiment;
FIG. 7 is a schematic view of a follower guide block in one embodiment.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Referring to fig. 1 to 6, the invention provides a fine blanking die for improving a corner collapse, which includes a punch 100, a die 200, a pressing block 101, a top block 201 and a V-shaped pressing ring 102, wherein the punch 100 and the die 200 are arranged oppositely from top to bottom, a groove for accommodating the pressing block 101 is arranged in the punch 100, a forming groove for accommodating the top block 201 and forming a material plate 300 is arranged in the die 200, the V-shaped pressing ring 102 is arranged on the lower end surface of the punch 100, the material plate 300 is arranged between the punch 100 and the die 200, the material plate 300 is arranged between the two pressing blocks 400, during a stamping process, the punch 100 moves downwards to cooperate with the die 200 to clamp the material plate 300, then the pressing block 101 moves downwards to cooperate with the top block 201 to perform fine blanking on the material plate 300, and the V-shaped pressing ring 102 is pressed into the material plate 300 to lock and fix the material plate 300. This improve fine blanking mould of corner collapse still includes: the receiving groove 202, the push rod 103, the driving guide block 104, the driven guide block 203 and the pressing block 400. The receiving groove 202 is formed in the surface of the die 200, the receiving groove 202 is matched with the V-shaped pressing ring 102 in size and is located right below the V-shaped pressing ring 102, when the V-shaped pressing ring 102 is pressed into the material plate 300 to position the material plate 300, the material plate 300 is extruded by the V-shaped pressing ring 102, and the extruded part of the material plate 300 enters the receiving groove 202. The pressing block 101 is provided with a driving column 105 for connecting a power source to drive the pressing block 101 to move. The push rod 103 is arranged on the outer side of the driving column 105, the push rod 103 is in an inverted U shape, and when the driving column 105 moves, the push rod 103 is driven to move. The active guide blocks 104 are disposed on two sides of the lower end surface of the push rod 103, and when the push rod 103 moves, the active guide blocks 104 are driven to move.
According to the fine blanking die for improving the corner collapse, in the fine blanking process of the flitch, the flitch is extruded towards the side where the corner collapse is formed, the flitch is subjected to plastic deformation during extrusion, and the flitch can be continuously filled into the corner collapse position in the deformation process, so that the corner collapse is improved.
Referring to fig. 7, the driven guide block 203 is disposed below the driving guide block 104 on one side of the pressing block 101, a side of the driving guide block 104 facing the pressing block 101 is a first inclined surface S1, a side of the driven guide block 203 facing away from the pressing block 101 is a second inclined surface S2, the first inclined surface S1 is parallel to the second inclined surface S2, and when the driving guide block 104 moves downward and contacts the driven guide block 203, the driving guide block 104 pushes the driven guide block 203 toward the material plate 300;
in one embodiment, the pressing blocks 400 are disposed at the bottom of the driven guide blocks 203, and when the two driving guide blocks 104 move toward the middle of the material plate 300, the two driving guide blocks 400 are driven to press the material plate 300. In the process that the pressing block 101 presses the material plate 300, the two pressing blocks 400 press the two ends of the material plate 300 to the middle, when the pressed part of the material plate 300 generates a corner collapse, the material plate 300 is pressed to be continuously filled to the corner collapse position, and the effect of improving the corner collapse is achieved.
In an embodiment, two transverse sliding grooves 204 are symmetrically arranged on the upper end surface of the female die 200, a movable transverse sliding block 205 is arranged in each transverse sliding groove 204, a spring 206 is arranged between each transverse sliding block 205 and the inner wall of the side surface of each transverse sliding groove 204, each spring 206 provides elastic force for each transverse sliding block 205 in the direction away from the top block 201, and the elastic force of each spring 206 enables each transverse sliding block 205 to be located on one side away from the top block 201 in each transverse sliding groove 204 without the action of other external force.
The transverse sliding block 205 is connected with the extrusion block 400 through the transverse plate 207, the transverse plate 207 can transmit the elastic force of the spring 206 to the extrusion block 400 through the transverse sliding block 205, in an initial state, the elastic force of the spring 206 can enable the two extrusion blocks 400 to be in a state with the largest distance, in a stamping process, the extrusion block 400 moves and drives the transverse sliding block 205 to move through the transverse plate 207, the transverse sliding block 205 can compress the spring 206, after the stamping is completed, the compressed spring 206 can drive the driven guide plate to move and restore to the initial state through the transverse sliding block 205 and the transverse plate 207 in a restoring process, and a next material plate 300 can be conveniently placed between the male die 100 and the female die 200.
The inner walls of two sides of the male die 100 are provided with vertical sliding grooves 106 which are symmetrically distributed, movable vertical sliding blocks 107 are arranged in the vertical sliding grooves 106, the vertical sliding blocks 107 are fixedly connected with the driving guide block 104, when the driving guide block 104 moves downwards, the vertical sliding blocks 107 can move synchronously along with the driving guide block 104 in the vertical sliding grooves 106, in the process, the vertical sliding blocks 107 have a supporting effect on the driving guide block 104 along the transverse direction through the male die 100, and further when the driving guide block 104 pushes the driven guide block 203 to move and drive the extrusion block 400 to compress the material plate 300, the male die 100 is matched with the vertical sliding blocks 107 to support the driving guide plate, so that the driving guide plate cannot be stressed and deformed, and the driving guide plate has stronger stability.
In one embodiment, notches 108 for providing space for the movement of the follower guide 203 are formed on both sides of the lower end surface of the male mold 100.
In one embodiment, the first inclined surface S1 is provided with a rotating shaft 500 extending laterally beyond the first inclined surface S1, and when the driving guide plate pushes the driven guide plate, the first inclined surface S1 moves downward on the second inclined surface S2, so that the rotating shaft 500 can reduce the friction between the driving guide plate and the driven guide plate, and better enable the driving guide plate to apply the acting force to the driven guide plate.
In one embodiment, the top end of the inclined surface S3 has a transition surface S4 inclined at an angle smaller than that of the second inclined surface S2, and the transition surface S4 provides a buffering slope for the rotation shaft 500 to enter the second inclined surface S2.
In one embodiment, the receiving cavity 202 is located between the two pressing blocks 400.
In an embodiment, the thickness of the flitch 300 is equal to the thickness of the extrusion blocks 400, so that in the process of stamping the flitch 300, one side surface of the punch 100 opposite to the die 200 is respectively in contact with the upper end surface and the lower end surface of the flitch 300, and in the process of stamping the flitch 300 by the pressing plate, the punch 100 and the die 200 can cooperate with the two extrusion blocks 400 to limit the flitch 300 within a certain space, so that when the flitch 300 is extruded by the extrusion blocks 400, the flitch 300 can effectively fill the formed collapsed angle by being extruded.
The invention has the following working processes:
placing the flitch 300 at the position between two extrusion blocks 400 on the upper end face of a female die 200, wherein the male die 100 moves downwards to cooperate with the female die 200 to clamp the flitch 300, the male die 100 cooperates with the female die 200 and the extrusion blocks 400 to fix the upper, lower, left and right four side faces of the flitch 300, in the process, a V-shaped pressing ring 102 is pressed into the flitch 300 to lock the flitch 300, the extruded and deformed part of the flitch 300 enters a receiving groove 202, when the pressing block 101 moves downwards to stamp the flitch 300, a driving column 105 drives a push rod 103 to move downwards synchronously along with the pressing block 101, the push rod 103 drives a driving guide block 104 to move downwards, the driving guide block 104 pushes the extrusion blocks 400 towards the middle part of the flitch 300 through a driven guide block 203, so that in the stamping process of the flitch 300, the two extrusion blocks 400 can extrude the flitch 300 towards the middle part, and the upper and lower end faces and the two end faces of the flitch 300 are respectively fixed by the male die 100, therefore, when the corner collapse occurs during the stamping process of the material plate 300, the extruded material plate 300 will continuously fill the step position of the material plate 300 during the plastic deformation process, thereby improving the corner collapse formed during the fine stamping.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A fine blanking die for improving corner collapse comprises: terrace die, briquetting, kicking block and V-arrangement clamping ring, its characterized in that still includes: the device comprises an accommodating groove, a push rod, a driving guide block, a driven guide block and an extrusion block;
the accommodating groove is arranged on the surface of the female die, is matched with the V-shaped pressing ring in size and is positioned right below the V-shaped pressing ring;
the pressing block is provided with a driving column which is used for connecting a power source to drive the pressing block to move;
the push rod is arranged on the outer side of the driving column and is in an inverted U shape;
the active guide blocks are arranged on two sides of the lower end surface of the push rod;
the driven guide block is arranged below one side of the pressing block of the driving guide block, one side of the driving guide block facing the pressing block is a first inclined plane S, one side of the driven guide block facing away from the pressing block is a second inclined plane, and the first inclined plane is parallel to the second inclined plane;
the extrusion block is arranged at the bottom of the driven guide block;
and a material plate is arranged between the male die and the female die and is positioned between the two extrusion blocks.
2. The fine blanking die for improving the corner collapse according to claim 1, wherein the upper end surface of the female die is provided with two symmetrically distributed transverse sliding grooves, movable transverse sliding blocks are arranged in the transverse sliding grooves, springs are arranged between the transverse sliding blocks and the inner walls of the side surfaces of the transverse sliding grooves, and the springs provide elastic force for the transverse sliding blocks in the direction away from the ejector block;
the transverse sliding block is connected with the extrusion block through a transverse plate.
3. The fine blanking die for improving the corner collapse according to claim 2, wherein vertical sliding grooves are symmetrically formed in the inner walls of the two sides of the male die, movable vertical sliding blocks are arranged in the vertical sliding grooves, and the vertical sliding blocks are fixedly connected with the active guide block.
4. The fine blanking die for improving the corner collapse according to the claim 3, wherein notches for providing space for the movement of the driven guide blocks are arranged on two sides of the lower end surface of the male die.
5. The fine blanking die for improving the corner collapse as claimed in claim 4, wherein a side of the first inclined plane is provided with a rotating shaft extending out of the first inclined plane.
6. The fine blanking die for improving the corner collapse as claimed in claim 5, wherein the bevel tip has a transition surface inclined at a smaller angle than the first bevel.
7. The fine blanking die for improving the corner collapse as claimed in claim 6, wherein the receiving groove is located between the two extrusion blocks.
8. The fine blanking die for improving corner collapse according to claim 7, wherein the thickness of the material plate is equal to the thickness of the extrusion block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911277388.9A CN112958686A (en) | 2019-12-13 | 2019-12-13 | Fine blanking die for improving corner collapse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911277388.9A CN112958686A (en) | 2019-12-13 | 2019-12-13 | Fine blanking die for improving corner collapse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112958686A true CN112958686A (en) | 2021-06-15 |
Family
ID=76270752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911277388.9A Withdrawn CN112958686A (en) | 2019-12-13 | 2019-12-13 | Fine blanking die for improving corner collapse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112958686A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011954A (en) * | 2021-11-10 | 2022-02-08 | 河南星光机械制造有限公司 | Continuous forming and finishing fine blanking die capable of improving corner collapse of fine blanking part |
-
2019
- 2019-12-13 CN CN201911277388.9A patent/CN112958686A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011954A (en) * | 2021-11-10 | 2022-02-08 | 河南星光机械制造有限公司 | Continuous forming and finishing fine blanking die capable of improving corner collapse of fine blanking part |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210615 |
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| WW01 | Invention patent application withdrawn after publication |