CN211101138U - Self-tapping thread punching die - Google Patents
Self-tapping thread punching die Download PDFInfo
- Publication number
- CN211101138U CN211101138U CN201922085314.7U CN201922085314U CN211101138U CN 211101138 U CN211101138 U CN 211101138U CN 201922085314 U CN201922085314 U CN 201922085314U CN 211101138 U CN211101138 U CN 211101138U
- Authority
- CN
- China
- Prior art keywords
- spiral
- die
- male die
- self
- punch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a self-tapping thread punching die, which comprises a spiral male die, a punch and a spiral female die, wherein one side of the spiral male die is defined as the upper side, the punch is arranged inside the spiral male die, and the punch is exposed out of the spiral male die; the lower end of the spiral male die is provided with a thread curved surface, and the upper end of the spiral female die is provided with a groove which is matched with the thread curved surface and is sunken downwards; during stamping, the to-be-stamped part is positioned between the spiral male die and the spiral female die. The utility model discloses when well drift will treat that the stamping workpiece dashes out the hole, the helical surface of spiral terrace die carries out stamping forming with corresponding spiral die, and the edge in hole takes place the helical surface shaping when making treating that the stamping workpiece punches a hole, makes it become unsmooth shape, can pass through screw assembly, and is simple swift.
Description
Technical Field
The utility model relates to the technical field of mold, especially, relate to a mould for sheet metal component punching press, this mould is mainly applied to the car, household electrical appliances, the fields that need mould punching press plate and follow-up assembly such as hardware and machinery.
Background
The sheet metal part is needed to be punched in the fields of automobiles, household appliances, hardware machinery and the like, then tapping is carried out, but along with the development of energy conservation and emission reduction and light weight of automobiles, the thickness of the sheet metal part is thinner and thinner, the mode of punching and tapping is adopted, the sheet metal part is easy to deform, or in the past, the punching assembly of the sheet metal part in the field is only simply to punch a hole on a plane, then the assembly between the hole and the hole is screwed up by screws, in the mode, the position and the gap cannot be precisely positioned and combined together, because the surface and the surface are assembled in a plane mode, the situation that the combination of vibration occasions and the like is not tight and the loosening and even the thread falling can be.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a self tapping thread cut-out press, and when the drift will treat that the stamping workpiece punches out the hole, the helical surface of spiral terrace die carries out stamping forming with corresponding spiral die, and the edge in hole takes place the helical surface shaping when making treating that the stamping workpiece punches a hole, makes it become unsmooth shape, can pass through screw assembly, and is simple swift.
In order to solve the technical problem, the utility model discloses a technical scheme be: providing a self-tapping thread punching die, wherein the die comprises a spiral male die, a punch and a spiral female die, one side where the spiral male die is located is defined as the upper side, the punch is arranged in the spiral male die, and the punch is exposed out of the spiral male die;
the lower end of the spiral male die is provided with a thread curved surface, and the upper end of the spiral female die is provided with a groove which is matched with the thread curved surface and is sunken downwards; the groove also has a helical curvature.
And during stamping, the to-be-stamped part is positioned between the spiral male die and the spiral female die.
Further, the upper end of the spiral male die is provided with a hanging table, and the spiral male die is arranged on the movable die plate through the hanging table.
Further, the lower end of the spiral female die is also provided with a hanging table, and the spiral female die is arranged on the fixed die plate through the hanging table.
Further, the punch is cylindrical, conical or truncated cone-shaped.
Further, the lower end of the spiral male die is provided with a groove.
Further, the upper end of the spiral female die is provided with a groove.
Further, the spiral female die is internally provided with a blanking hole.
Further, the part to be stamped is a metal plate.
The utility model has the advantages that:
the utility model comprises a spiral male die, a punch and a spiral female die, wherein one side of the spiral male die is defined as the upper side, the punch is arranged inside the spiral male die, and the punch is exposed out of the spiral male die; the lower end of the spiral male die is provided with a thread curved surface, and the upper end of the spiral female die is provided with a groove which is matched with the thread curved surface and is sunken downwards; when punching, the to-be-punched piece is positioned between the spiral male die and the spiral female die, in the utility model, because the lower end of the spiral male die is a spiral curved surface, when the punch punches the to-be-punched piece into a hole, the spiral curved surface of the spiral male die and the corresponding spiral female die are subjected to punch forming, so that the edge of the hole is subjected to spiral curved surface forming when the to-be-punched piece is punched, and the to-be-punched piece is changed into a concave-convex;
therefore, when the parts to be stamped are assembled, the hole edges are in a spiral form, and only a screw needs to penetrate through the hole to be screwed, and extra tapping is not needed, so that the parts to be stamped can be precisely and quickly assembled; secondly, the working procedure can be saved, and the processing efficiency can be improved; thirdly, the punched threads have higher strength and rigidity, so that the punched threads are better matched with screws, the loosening phenomenon caused by vibration can be resisted for a long time, the manufacturing cost is reduced, the operating efficiency is improved, and the quality of a finished piece is improved;
moreover, the product can be correspondingly manufactured according to different sizes of metric thread size, English thread size, non-standard thread and the like, the material, coating and clearance can be respectively adjusted according to different stamping materials and thicknesses of the to-be-stamped parts, and standard specifications can be manufactured for market use, so that the functional application occasions are wider.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
FIG. 1 is a schematic view of the structure of the present invention (after the mold is closed);
FIG. 2 is a schematic structural view of the spiral male die of the present invention;
fig. 3 is a schematic structural view of the punch of the present invention;
fig. 4 is a schematic structural view of the spiral female die of the present invention;
fig. 5 is a schematic diagram of the metal part after being stamped according to the present invention;
the stamping die comprises a spiral male die 1, a hanging table 11, a groove 12, a punch 2, a spiral female die 3, a groove 31, a blanking hole 32, a to-be-stamped part 4 and a screw 5.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and the advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure of the present invention. The present invention can also be implemented in other different ways, i.e. different modifications and changes can be made without departing from the scope of the present invention.
Example (b): a self-tapping thread punching die, as shown in fig. 1 to 5, the die comprises a spiral male die 1, a punch 2 and a spiral female die 3, wherein one side of the spiral male die is defined as the upper side, the punch is arranged inside the spiral male die, and the punch is exposed out of the spiral male die;
the lower end of the spiral male die is provided with a thread curved surface, and the upper end of the spiral female die is provided with a groove 31 which is matched with the thread curved surface and is sunken downwards; the groove also has a helical curvature.
And during stamping, the to-be-stamped part 4 is positioned between the spiral male die and the spiral female die.
The upper end of the spiral male die is provided with a hanging table 11, and the spiral male die is arranged on the movable die plate through the hanging table. Other mounting arrangements may of course be used.
The lower end of the spiral female die is also provided with a hanging table 11, and the spiral female die is arranged on the fixed die plate through the hanging table. Other mounting arrangements may of course be used. The mounting of the male die and the female die by the hanging table is prior art and is not described in detail.
The punch is cylindrical, conical or truncated cone-shaped, but is not limited thereto, and various shapes can be designed according to needs.
In this embodiment, the lower end of the spiral male die has a slot 12.
The upper end of the spiral female die is provided with a slot 12. When the die is closed, the tolerance exists, the heights are not necessarily completely consistent, and one notch is designed to give pressure relief.
The spiral die has a blanking hole 32 in the interior.
The to-be-stamped part is a metal plate, but is not limited to this, and the die of the embodiment is particularly suitable for the thread punching of a relatively thin metal plate.
The utility model discloses a theory of operation and working process as follows:
punching a hole on a to-be-punched part by using a punch, and punching and forming the spiral curved surface of the spiral male die and the corresponding spiral female die by using the punch, so that the edge of the hole is formed into a concave-convex shape while the to-be-punched part is punched;
therefore, when the parts to be stamped are assembled, the hole edges are in a spiral form, and only a screw needs to penetrate through the hole to be screwed, and extra tapping is not needed, so that the parts to be stamped can be precisely and quickly assembled; secondly, the working procedure can be saved, and the processing efficiency can be improved; thirdly, because the punched threads have stronger strength and rigidity, the punched threads are better matched with screws, the loosening phenomenon caused by vibration can be resisted for a long time, the manufacturing cost is reduced, the operation efficiency is improved, and the quality of a finished piece is improved.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same principle as the protection scope of the present invention.
Claims (8)
1. The utility model provides a self tapping screw thread cut-out press which characterized in that: the die comprises a spiral male die (1), a punch (2) and a spiral female die (3), wherein one side where the spiral male die is located is defined as the upper side, the punch is arranged in the spiral male die, and the punch is exposed out of the spiral male die;
the lower end of the spiral male die is provided with a thread curved surface, the upper end of the spiral female die is provided with a groove (31) which is matched with the thread curved surface and is sunken downwards, and the groove is also provided with a spiral curved surface;
and during stamping, the to-be-stamped part (4) is positioned between the spiral male die and the spiral female die.
2. The self-tapping thread-punching die of claim 1, wherein: the upper end of the spiral male die is provided with a hanging table (11), and the spiral male die is arranged on the movable die plate through the hanging table.
3. The self-tapping thread-punching die of claim 1, wherein: the lower end of the spiral female die is also provided with a hanging table (11), and the spiral female die is arranged on the fixed die plate through the hanging table.
4. The self-tapping thread-punching die of claim 1, wherein: the punch is cylindrical, conical or truncated cone-shaped.
5. The self-tapping thread-punching die of claim 1, wherein: the lower end of the spiral male die is provided with a groove (12).
6. The self-tapping thread-punching die of claim 1, wherein: the upper end of the spiral concave die is provided with a slot (12).
7. The self-tapping thread-punching die of claim 1, wherein: the spiral concave die is internally provided with a blanking hole (32).
8. The self-tapping thread-punching die of claim 1, wherein: the to-be-stamped part is a metal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922085314.7U CN211101138U (en) | 2019-11-28 | 2019-11-28 | Self-tapping thread punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922085314.7U CN211101138U (en) | 2019-11-28 | 2019-11-28 | Self-tapping thread punching die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211101138U true CN211101138U (en) | 2020-07-28 |
Family
ID=71712931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922085314.7U Active CN211101138U (en) | 2019-11-28 | 2019-11-28 | Self-tapping thread punching die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211101138U (en) |
-
2019
- 2019-11-28 CN CN201922085314.7U patent/CN211101138U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105750829A (en) | Sheet metal processing technology | |
| CN203281731U (en) | Lubricating structure of stamping die | |
| CN211101138U (en) | Self-tapping thread punching die | |
| KR20080078118A (en) | Manufacture method of nut by rolling steel plate foming | |
| CN204470403U (en) | A kind of fast ram Bending Mould | |
| CN106345877A (en) | Sheet metal part convex hull making process and special mold | |
| CN210936638U (en) | Hole flanging adopts and turns over cover | |
| KR20080100891A (en) | Manufacture method of position nut by rolling steel plate foming | |
| CN204108124U (en) | Automatic riveting in the die fastener mould | |
| CN218425125U (en) | Reduce thick plate tapping screw tap rupture structure | |
| CN113102946A (en) | Lantern type rivet nut production process | |
| CN110814149B (en) | Machine shell thick material blanking process | |
| CN105215161A (en) | The processing method of a kind of monaural airtight nut height cover part | |
| JP2012020330A (en) | Burring working method and burring working implement | |
| CN214053353U (en) | Flanging die | |
| CN216095962U (en) | Stamping die and stamping lower die | |
| CN111185717A (en) | Sheet metal machining process | |
| KR101556539B1 (en) | none penentration light pemnut | |
| CN210115375U (en) | Be applied to fashioned structure of attenuation turn-ups | |
| CN209407224U (en) | A kind of novel die red needle | |
| CN212884500U (en) | Twisting device suitable for small plane forming | |
| CN213162717U (en) | Mould for processing vehicle door | |
| CN219509973U (en) | Novel plastic rivet | |
| CN219401957U (en) | Bending and punching integrated forming die | |
| CN211360284U (en) | Multi-cutting-edge integrated stamping die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |