CN207026399U - A kind of cubic multipart punch structure of cold forging - Google Patents
A kind of cubic multipart punch structure of cold forging Download PDFInfo
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- CN207026399U CN207026399U CN201720904389.1U CN201720904389U CN207026399U CN 207026399 U CN207026399 U CN 207026399U CN 201720904389 U CN201720904389 U CN 201720904389U CN 207026399 U CN207026399 U CN 207026399U
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- multipart punch
- drift
- multipart
- cubic
- core bar
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Abstract
The utility model discloses a kind of cold forging with cubic multipart punch structure, including press and the sliding block being welded on inside press, the slider bottom has fixed plate by screw connection, drift set is provided with the middle part of the fixed plate, the drift set is internal to be provided with multipart punch ring, multipart punch core bar is provided with inside the multipart punch ring, the multipart punch core bar is by drift square, gradual rounded piece, cylindrical piece, groove block and groove are formed, the drift square is arranged on multipart punch core bar bottom, gradual rounded piece is provided with the top of the drift square, the gradual rounded piece of top is provided with cylindrical piece, groove block is provided with the top of the cylindrical piece, the groove block surface opens up fluted, the fixed plate bottom is provided with cavity plate, workpiece is provided with inside the cavity plate, the workpiece bottom is provided with push rod.The utility model is simple in construction, can effectively avoid and stress concentration phenomenon occurs in forging, it is therefore prevented that drift is broken in big press forging.
Description
Technical field
A kind of punch structure is the utility model is related to, the cubic multipart punch structure of specially a kind of cold forging, belongs to machinery
Technical field.
Background technology
Drift is the metal parts in the diel in machine tool, is called and rushes rod, red needle or punching pin, is installation
Continuous stamping punching press is carried out in diel and thrusts operation, makes machined material that separation or plastic deformation occur, so as to obtain
Required finished product or semi-finished product.
The anti-crowded cold forging that cubic blind hole, aperture require with fillet, because having fillet requirement in cubic bore orifice, general meeting
Drift is made of one formula, but this structure may result in and stress concentration phenomenon occurs in forging, in big press forging
Shi Chongtou may be broken.Therefore, propose a kind of cold forging with cubic multipart punch structure regarding to the issue above.
Utility model content
The purpose of this utility model is that to solve the above problems and provides a kind of cold forging with cubic multipart punch knot
Structure.
The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of cubic multipart punch structure of cold forging,
Including press and the sliding block being welded on inside press, the slider bottom has fixed plate, the fixed plate by screw connection
Middle part is provided with drift set, and the drift set is internal to be provided with multipart punch ring, and multipart punch core is provided with inside the multipart punch ring
Bar, the multipart punch core bar are made up of drift square, gradual rounded piece, cylindrical piece, groove block and groove, the drift square
Multipart punch core bar bottom is arranged on, gradual rounded piece is provided with the top of the drift square, the gradual rounded piece of top is provided with cylindrical piece,
It is provided with groove block at the top of the cylindrical piece, the groove block surface opens up fluted, and the fixed plate bottom is provided with cavity plate, described
Workpiece is provided with inside cavity plate, the workpiece bottom is provided with push rod.
Preferably, it is socketed between multipart punch ring and the drift set.
Preferably, it is connected between the multipart punch ring and multipart punch core bar.
Preferably, the drift square, gradual rounded piece, cylindrical piece and groove block are integrated.
Preferably, the workpiece is arranged on drift square bottom.
Preferably, the groove is uniformly arranged on groove block surface, and groove number is three.
The beneficial effects of the utility model are：The apparatus structure is simple, simple in construction, can be suitably used for general under existing environment
Logical press, the generation stress concentration in forging can effectively be avoided by the setting of multipart punch core bar and multipart punch ring and showed
As, it is therefore prevented that in big press forging, drift is broken；Gradual rounded piece of setting can effectively avoid big pressure the following group syzygies
During head core bar jumping-up, drift set stress ftractures.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model multipart punch core bar structure schematic diagram；
Fig. 3 is the utility model multipart punch core bar and multipart punch ring structure schematic diagram.
In figure：1st, drift set, 2, multipart punch core bar, 201, drift square, 202, gradual rounded piece, 203, cylindrical piece,
204th, groove block, 205, groove, 3, multipart punch ring, 4, press, 5, sliding block, 6, fixed plate, 7, cavity plate, 8, workpiece, 9, top
Bar.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to shown in Fig. 1-3, a kind of cubic multipart punch structure of cold forging, including press 4 and be welded in press 4
There is fixed plate 6 sliding block 5 in portion, the bottom of sliding block 5 by screw connection, and the middle part of fixed plate 6 is provided with drift set 1, described
The inside of drift set 1 is provided with multipart punch ring 3, and the inside of multipart punch ring 3 is provided with multipart punch core bar 2, the multipart punch
Core bar 2 is made up of drift square 201, gradual rounded piece 202, cylindrical piece 203, groove block 204 and groove 205, the drift four directions
Block 201 is arranged on the bottom of multipart punch core bar 2, and the top of drift square 201 is provided with gradual rounded piece 202, described gradual rounded piece 202
Top is provided with cylindrical piece 203, and the top of cylindrical piece 203 is provided with groove block 204, and the surface of groove block 204 opens up fluted
205, the bottom of fixed plate 6 is provided with cavity plate 7, and the inside of cavity plate 7 is provided with workpiece 8, and the bottom of workpiece 8 is provided with push rod
9。
As a kind of technical optimization scheme of the present utility model, it is socketed, makes between multipart punch ring 3 and the drift set 1
Multipart punch ring 3 is completely embedded with drift set 1.
As a kind of technical optimization scheme of the present utility model, match somebody with somebody between the multipart punch ring 3 and multipart punch core bar 2
Connection is closed, can effective fixed Combination drift core bar 2.
As a kind of technical optimization scheme of the present utility model, the drift square 201, gradual rounded piece 202, cylindrical piece
203 and groove block 204 be integrated, ensure that multipart punch core bar 2 using relatively reliable.
As a kind of technical optimization scheme of the present utility model, the workpiece 8 is arranged on the bottom of drift square 201,
Die casting/processing part 8 can effectively be descended.
As a kind of technical optimization scheme of the present utility model, the groove 205 is uniformly arranged on the surface of groove block 204,
And the number of groove 205 is three, it is firm to ensure that multipart punch core bar 2 is connected with multipart punch ring 3.
When in use, multipart punch core bar 2 and multipart punch ring 3 are assembled for the utility model, by fixed plate 6 by drift
Set 1 is connected with press 4, the multipart punch core bar 2 assembled and multipart punch ring 3 is arranged on drift set 1, by workpiece 8
It is put into cavity plate 7, it is descending in the drive sliding block 5 of press 4, with descending, the drift four on multipart punch core bar 2 of sliding block 5
201 times die casting/processing parts of square 8, workpiece 8 shapes in cavity plate 7, and workpiece 8 has been processed rear slider 5 and returned with press 4, top
Bar 9 ejects workpiece 8, departs from cavity plate 7.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. a kind of cubic multipart punch structure of cold forging, including press (4) and the sliding block (5) for being welded on press (4) inside, its
It is characterised by：There is fixed plate (6) sliding block (5) bottom by screw connection, and drift set is provided with the middle part of the fixed plate (6)
(1) multipart punch ring (3), is provided with inside the drift set (1), multipart punch core bar is provided with inside the multipart punch ring (3)
(2), the multipart punch core bar (2) is by drift square (201), gradual rounded piece (202), cylindrical piece (203), groove block (204)
Formed with groove (205), the drift square (201) is arranged on multipart punch core bar (2) bottom, the drift square
(201) top is provided with gradual rounded piece (202), and cylindrical piece (203), cylindrical piece (203) top are provided with the top of described gradual rounded piece (202)
Portion is provided with groove block (204), and groove block (204) surface opens up fluted (205), and fixed plate (6) bottom is provided with recessed
Mould (7), the cavity plate (7) is internal to be provided with workpiece (8), and workpiece (8) bottom is provided with push rod (9).
A kind of 2. cubic multipart punch structure of cold forging according to claim 1, it is characterised in that：The multipart punch ring
(3) it is socketed between drift set (1).
A kind of 3. cubic multipart punch structure of cold forging according to claim 1, it is characterised in that：The multipart punch ring
(3) it is connected between multipart punch core bar (2).
A kind of 4. cubic multipart punch structure of cold forging according to claim 1, it is characterised in that：The drift square
(201), gradual rounded piece (202), cylindrical piece (203) and groove block (204) are integrated.
A kind of 5. cubic multipart punch structure of cold forging according to claim 1, it is characterised in that：The workpiece (8)
It is arranged on drift square (201) bottom.
A kind of 6. cubic multipart punch structure of cold forging according to claim 1, it is characterised in that：The groove (205)
Groove block (204) surface is uniformly arranged on, and groove (205) number is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720904389.1U CN207026399U (en) | 2017-07-25 | 2017-07-25 | A kind of cubic multipart punch structure of cold forging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720904389.1U CN207026399U (en) | 2017-07-25 | 2017-07-25 | A kind of cubic multipart punch structure of cold forging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207026399U true CN207026399U (en) | 2018-02-23 |
Family
ID=61462112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720904389.1U Active CN207026399U (en) | 2017-07-25 | 2017-07-25 | A kind of cubic multipart punch structure of cold forging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207026399U (en) |
-
2017
- 2017-07-25 CN CN201720904389.1U patent/CN207026399U/en active Active
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