CN215587628U - Hemispherical part drawing stamping die - Google Patents
Hemispherical part drawing stamping die Download PDFInfo
- Publication number
- CN215587628U CN215587628U CN202121382359.1U CN202121382359U CN215587628U CN 215587628 U CN215587628 U CN 215587628U CN 202121382359 U CN202121382359 U CN 202121382359U CN 215587628 U CN215587628 U CN 215587628U
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- die
- upper die
- mounting seat
- seat
- connecting seat
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- 230000007246 mechanism Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 14
- 238000000465 moulding Methods 0.000 description 6
- 238000004080 punching Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a drawing and stamping die for hemispherical parts, which comprises: the upper die assembly comprises an upper die connecting seat and an upper die mounting seat, wherein a limiting clamping plate is mounted at the bottom end of the upper die connecting seat, and the upper male die is movably mounted in the upper die mounting seat; the lower die assembly comprises a lower die mounting seat, and a female die seat with a female die cavity is movably mounted in the lower die mounting seat; the ejector rod is movably arranged in the forming cavity and is used for ejecting the formed hemispherical part out of the die cavity of the female die; the upper die mounting seat is internally provided with a mounting groove, the upper male die is mounted in the mounting groove, the outer wall of the upper male die is provided with a T-shaped limiting ring, the top end of the upper male die is provided with a border, and the bottom end of the border is provided with an annular groove for accommodating the top of the T-shaped limiting ring.
Description
Technical Field
The utility model belongs to the technical field of drawing and stamping dies, and particularly relates to a drawing and stamping die for hemispherical parts.
Background
The aerospace field uses a lot of parts, and the shape is different, and the part hemispherical part needs to be through punching press shaping, and stamping die is a special technological equipment that in cold stamping, processes the material into parts, utilizes the mould installed on the press to exert pressure to the material, makes it produce separation or plastic deformation to obtain a pressure processing method of required part, stamping die its important effect in the punching press process, and stamping die directly influences the quality of part punching press shaping.
For example, a drawing and punching die for hemispherical parts is disclosed in publication No. CN213079758U, comprising: the lower die assembly comprises a lower female die, and the lower female die is provided with a female die cavity; the upper die assembly comprises a liftable upper male die, the lower part of the upper male die is a hemispherical ejection head and is used for entering a die cavity of the female die to be matched with the lower female die to be drawn and stamped to form a hemispherical part; the material returning rod extends into a die cavity of the female die and is used for pushing the formed hemispherical part out of the female die; the top surface of the material returning rod is provided with a spherical crown-shaped recess, and the spherical crown-shaped recess is provided with a spherical inner surface and is used for matching with the spherical top area of the hemispherical part in an inserting manner when the spherical part is ejected upwards. When the material returning rod is used for pushing a workpiece, the spherical inner surface of the spherical concave part at the end part of the material returning rod is coated on the outer spherical surface of the workpiece, at the moment, the contact area of the spherical inner surface and the spherical concave part is large, the bottom deformation is not easy to occur when upward pushing acting force is applied, and the existing problem that the spherical concave part is pushed out due to point contact can be effectively avoided.
The problem of ejection depression is avoided in the existing stamping die, and due to the fact that the sizes of parts are various, the die needs to be replaced when different parts are stamped, and the required time and the cost are high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provides a drawing and stamping die for hemispherical parts.
The utility model provides the following technical scheme:
a drawing and stamping die for hemispherical parts comprises:
the upper die assembly comprises an upper die connecting seat and an upper die mounting seat, wherein a limiting clamping plate is mounted at the bottom end of the upper die connecting seat, and the upper male die is movably mounted in the upper die mounting seat;
the lower die assembly comprises a lower die mounting seat, and a female die seat with a female die cavity is movably mounted in the lower die mounting seat;
the ejector rod is movably arranged in the forming cavity and is used for ejecting the formed hemispherical part out of the die cavity of the female die;
the upper die mounting seat is internally provided with a mounting groove, the upper male die is mounted in the mounting groove, the outer wall of the upper male die is provided with a T-shaped limiting ring, the top end of the upper male die is provided with a border, and the bottom end of the border is provided with an annular groove for accommodating the top of the T-shaped limiting ring.
Further, a forming cavity is arranged in the lower die mounting seat, the cross section of the forming cavity is in an inverted T shape, the female die seat is fixedly mounted in the forming cavity through bolts, the female die cavity is communicated with the forming cavity, a plurality of springs are mounted at the bottom end of the ejector rod, and the springs are mounted on the inner wall of the forming cavity.
Furthermore, the bottom of the upper male die is a hemispherical surface, and the bottom end of the upper male die is matched with the arc-shaped groove on the ejector rod.
Furthermore, guide blocks are arranged on two sides of the lower die mounting seat, threaded holes are formed in the guide blocks, the threaded guide rods penetrate through the upper die connecting seat and the upper die mounting seat, and the threaded guide rods are made to rotate through the rotating mechanism with the clamping holes.
Furthermore, the threaded guide rod is in threaded connection with the upper die connecting seat and the upper die mounting seat, and the diameter of the bottom of the threaded guide rod is smaller than that of a threaded hole in the guide block.
Further, go up the installation piece fixed connection that mould connecting seat and last mould mount pad both ends were laid through the symmetry, upward be equipped with square shrinkage pool one on the mould connecting seat, upward be equipped with square shrinkage pool two on the mould connecting seat, the installation piece is located square shrinkage pool one and square shrinkage pool two, all is equipped with the bolt mounting hole of longitudinal symmetry on installation piece, last mould connecting seat, the last mould mount pad.
The utility model has the beneficial effects that:
1. be equipped with the shape of falling T mounting groove in the last die holding seat, not unidimensional last convex mould collocation not unidimensional T type spacing ring is installed in last die holding seat, changes whole mould when avoiding processing not unidimensional spare part, reduces the processing cost.
2. The mounting block is located in square shrinkage pool one and square shrinkage pool two on last mould mount pad and the last mould connecting seat, and it is fixed to reuse bolted connection, guarantees the stability of installation between last mould mount pad and the last mould connecting seat.
3. When the upper die mounting seat and the upper die connecting seat punch downwards, the upper die mounting seat and the upper die connecting seat are matched with each other through the threaded guide rod and the guide block, so that the upper die mounting seat and the upper die connecting seat do linear motion up and down, and the quality of punched parts is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic front view of the present invention;
fig. 2 is a left side view of the mounting block of the present invention.
Labeled as: 1. a lower die mounting seat; 101. forming a cavity; 2. a guide block; 201. a threaded hole; 3. a threaded guide rod; 4. an upper die mounting seat; 401. mounting grooves; 402. a second square concave hole; 5. an upper die connecting seat; 501. a first square concave hole; 6. an upper male die; 601. an annular groove; 7. a limiting clamping plate; 8. a rotation mechanism; 801. a clamping hole; 9. mounting blocks; 901. a bolt mounting hole; 10. a T-shaped limiting ring; 11. a hemispherical surface; 12. a spring; 13. a top rod; 14. a bolt; 15. a female die holder; 1501. and a female die cavity.
Detailed Description
As shown in fig. 1 and 2, a drawing and punching die for hemispherical parts comprises: the upper die assembly comprises an upper die connecting seat 5 and an upper die mounting seat 4, wherein a limiting clamping plate 7 is mounted at the bottom end of the upper die connecting seat 5, and an upper male die 6 is movably mounted in the upper die mounting seat 4; be equipped with mounting groove 401 in going up mould mount pad 4, go up the convex die 6 and install in mounting groove 401, go up convex die 6 bottom and be hemispherical 11, and the convex die 6 bottom is identical with the arc recess on the ejector pin 13, and T shape spacing ring 10 is installed to the 6 outer walls of upper convex die, and 6 tops of upper convex die are equipped with the border, and the border bottom is equipped with the annular groove 601 that holds T shape spacing ring 10 top.
Go up mould connecting seat 5 and last mould mount pad 4 both ends through the 9 fixed connection of installation piece that the symmetry was laid, go up to be equipped with square shrinkage pool one 501 on mould connecting seat 5, upward be equipped with two 402 square shrinkage pools on the mould connecting seat 4, installation piece 9 is located two 402 square shrinkage pools one 501 and square shrinkage pools, all is equipped with the bolt mounting hole 901 of longitudinal symmetry on installation piece 9, last mould connecting seat 5, the last mould mount pad 4.
The lower die assembly comprises a lower die mounting seat 1, and a female die holder 15 with a female die cavity 1501 is movably mounted in the lower die mounting seat 1; a molding cavity 101 is arranged in the lower die mounting seat 1, the cross section of the molding cavity 101 is in an inverted T shape, a female die holder 15 is fixedly arranged in the molding cavity 101 through a bolt 14, a female die cavity 1501 is communicated with the molding cavity 101, a plurality of springs 12 are arranged at the bottom end of a mandril 13, and the springs 12 are arranged on the inner wall of the molding cavity 101; and the ejector rod 13 is movably arranged in the molding cavity 101 and is used for ejecting the molded hemispherical part out of the female die cavity 1501.
The two sides of the lower die mounting seat 1 are provided with guide blocks 2, threaded holes 201 are formed in the guide blocks 2, the threaded guide rods 3 penetrate through the upper die connecting seat 5 and the upper die mounting seat 4, the threaded guide rods 3 are made to rotate through the rotating mechanism 8 with the clamping holes 801, the threaded guide rods 3 are in threaded connection with the upper die connecting seat 5 and the upper die mounting seat 4, and the diameter of the bottoms of the threaded guide rods 3 is smaller than that of the threaded holes 201 in the guide blocks 2.
As shown in fig. 1-2, a mounting groove 401 with a certain size and an inverted T shape is arranged in the upper die mounting seat 4, the upper convex die 6 and the T-shaped limiting ring 10 are installed in the mounting groove 401 in a matched manner, the outer diameter and the inner diameter of the T-shaped limiting ring 10 are fixed, the upper convex die 6 with different diameters can be conveniently installed, the upper convex die 6 can be replaced when parts with different sizes are punched, the upper die connecting seat 5 and the upper die mounting seat 4 are attached and fixedly installed through the mounting block 9, the limiting clamping plate 7 is located in the mounting groove 401 to limit rotation and up-down movement of the upper convex die 6, the punching quality is ensured, the mounting block 9 is located in the first square concave hole 501 and the second square concave hole 402 to limit up-down movement of the upper die mounting seat 4 and the upper die connecting seat 5, a bolt structure is added to limit left-right movement of the upper die mounting seat 4 and the upper die connecting seat 5, and firm and reliable installation are ensured.
As shown in fig. 1, in order to ensure the accuracy of the action position and the stability of the action when the upper male die 6 is pressed down, the threaded guide rod 3 is further installed in the die, the die forging machine is pressurized to move down to drive the upper die connecting seat 5 and the upper die installing block 4 to move down, the rotating mechanism 8 drives the threaded guide rod 3 to rotate, the diameter of the bottom of the threaded guide rod 3 is smaller than that of the rod body, the threaded guide rod 3 can conveniently penetrate through the threaded hole 201, the female die holder 15, the ejector rod 13 and the upper male die 6 are used in a set, a plurality of springs are installed at the bottom end of the ejector rod 13, the upper male die 6 can conveniently move upwards after the punch forming is completed, and the ejector rod 13 pushes the formed hemispherical part out of the female die cavity 1501 by means of the elasticity of the spring 12.
The working principle of the utility model when in use is as follows: selecting an upper male die 6, a T-shaped limiting ring 7, a female die holder 15 and a top rod 13 according to the size of a processed hemispherical part, wherein the female die holder 15 is installed in a lower die installation seat 1 through a bolt, the top rod 13 is installed in a forming cavity 101 along a female die cavity 1501, the T-shaped limiting ring 10 is sleeved on the outer wall of the upper male die 6 and then installed in an installation groove 401, a limiting clamping plate 7 is aligned with the installation groove 401 to place an upper die connection seat 5 on an upper die installation seat 4, an installation block 9 is installed in a first square concave hole 501 and a second square concave hole 402 through bolts, a plate is placed in a limiting groove on the female die holder 15, a die forging machine is pressurized to downwards drive the upper die connection seat 5 and the upper die installation seat 4 downwards, meanwhile, a rotating mechanism 8 enables a threaded guide rod 3 to rotate downwards to pass through a threaded hole 201 to guarantee the accuracy of a stamping center position, the utilization rate of the plate is improved, the plate is pressed into the female die cavity 1501 by the upper male die 6, after the punch forming is completed, the upper male die 6 moves upwards, the ejector rod 13 ejects the formed part upwards by means of the elasticity of the spring 12, the quality of the punch formed hemispherical part is high, and the bottom of the punch formed hemispherical part is not easy to deform.
Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A drawing and stamping die for hemispherical parts comprises:
the upper die assembly comprises an upper die connecting seat (5) and an upper die mounting seat (4), wherein a limiting clamping plate (7) is mounted at the bottom end of the upper die connecting seat (5), and an upper male die (6) is movably mounted in the upper die mounting seat (4);
the lower die assembly comprises a lower die mounting seat (1), and a female die holder (15) with a female die cavity (1501) is movably mounted in the lower die mounting seat (1);
the ejector rod (13) is movably arranged in the forming cavity (101) and is used for ejecting the formed hemispherical part out of the female die cavity (1501);
the upper die mounting structure is characterized in that a mounting groove (401) is formed in the upper die mounting seat (4), the upper male die (6) is mounted in the mounting groove (401), a T-shaped limiting ring (10) is mounted on the outer wall of the upper male die (6), the top end of the upper male die (6) is provided with a border, and the bottom end of the border is provided with an annular groove (601) for accommodating the top of the T-shaped limiting ring (10).
2. The deep drawing die for the hemispherical parts as claimed in claim 1, wherein a forming cavity (101) is arranged in the lower die mounting seat (1), the cross section of the forming cavity (101) is in an inverted T shape, the die holder (15) is fixedly mounted in the forming cavity (101) through a bolt (14), the die cavity (1501) is communicated with the forming cavity (101), a plurality of springs (12) are mounted at the bottom end of the ejector rod (13), and the springs (12) are mounted on the inner wall of the forming cavity (101).
3. The drawing and deep-drawing die for the hemispherical parts as claimed in claim 1, wherein the bottom of the upper male die (6) is a hemispherical surface (11), and the hemispherical surface (11) is matched with the arc-shaped groove on the ejector rod (13).
4. The deep drawing die for hemispherical parts according to claim 1, wherein guide blocks (2) are arranged on two sides of the lower die mounting seat (1), threaded holes (201) are formed in the guide blocks (2), the threaded guide rod (3) penetrates through the upper die connecting seat (5) and the upper die mounting seat (4), and the threaded guide rod (3) is enabled to rotate through a rotating mechanism (8) with clamping holes (801).
5. The drawing and deep-drawing die for the hemispherical parts as claimed in claim 4, wherein the threaded guide rod (3) is in threaded connection with the upper die connecting seat (5) and the upper die mounting seat (4), and the diameter of the bottom of the threaded guide rod (3) is smaller than that of the threaded hole (201) in the guide block (2).
6. The deep drawing die for the hemispherical parts as claimed in claim 1, wherein the two ends of the upper die connecting seat (5) and the upper die mounting seat (4) are fixedly connected through mounting blocks (9) symmetrically arranged, a first square concave hole (501) is formed in the upper die connecting seat (5), a second square concave hole (402) is formed in the upper die connecting seat (4), the mounting blocks (9) are located in the first square concave hole (501) and the second square concave hole (402), and bolt mounting holes (901) which are vertically symmetrical are formed in the mounting blocks (9), the upper die connecting seat (5) and the upper die mounting seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121382359.1U CN215587628U (en) | 2021-06-21 | 2021-06-21 | Hemispherical part drawing stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121382359.1U CN215587628U (en) | 2021-06-21 | 2021-06-21 | Hemispherical part drawing stamping die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215587628U true CN215587628U (en) | 2022-01-21 |
Family
ID=79875984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121382359.1U Expired - Fee Related CN215587628U (en) | 2021-06-21 | 2021-06-21 | Hemispherical part drawing stamping die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215587628U (en) |
-
2021
- 2021-06-21 CN CN202121382359.1U patent/CN215587628U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220121 |