CN212397810U - Round hole punch and girder die without fixing seat - Google Patents
Round hole punch and girder die without fixing seat Download PDFInfo
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- CN212397810U CN212397810U CN202020772920.6U CN202020772920U CN212397810U CN 212397810 U CN212397810 U CN 212397810U CN 202020772920 U CN202020772920 U CN 202020772920U CN 212397810 U CN212397810 U CN 212397810U
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- 238000009434 installation Methods 0.000 claims abstract description 18
- 230000007704 transition Effects 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 7
- 238000004080 punching Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a round hole punch and girder die without a fixed seat, relating to the technical field of dies and comprising a round rod supporting part, wherein the upper end of the round rod supporting part is sequentially provided with a positioning straight wall part and a fine thread threaded rod, and the lower end of the round rod supporting part is sequentially provided with an installation limiting part and a working part; the working part is cylindrical, and the end part of the working part is provided with a cutting edge; the side of the working part is provided with a plurality of limiting surfaces.
Description
Technical Field
The utility model relates to the technical field of dies, particularly a round hole drift and girder mould of no fixing base.
Background
At present, for a longitudinal beam die, a main working content is a punched hole, the length of the longitudinal beam die is usually about 9 meters, and about 500 punched holes in one set of die are sometimes more. A plurality of round holes are dense and rough, the round holes are close to each other sometimes, the space is limited, the punch cannot be provided with an independent fixing seat, an assembly fixing seat is often adopted, dozens of punches or more punches are fixed on the large assembly fixing seat, when one or more punches need to be disassembled and replaced at each time, the whole assembly fixing seat needs to be disassembled, other punches on the assembly fixing seat are also disassembled simultaneously, the punch and other punches are required to be installed again during installation, the working time is wasted, and the punch is troublesome.
Patent document porous die structure (patent application No. 201610592230.0) which facilitates independent punch replacement also discloses a similar punch, but this approach has the following disadvantages: the punch pin structure is characterized in that N blind holes used for installing the punch pin body are formed in the upper surface of the base, and the blind holes are linearly arranged, so that the installed punch pin body is also linearly arranged. On a girder die or a complex punching die, most hole sites are not in a straight line, the hole sites can move along with the change of products, and the punching on the straight line is hardly found.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a round hole drift and girder mould of no fixing base can independently install and dismantle, reduces man-hour, and the dismouting is more convenient.
In order to achieve the above purpose, the utility model adopts the technical proposal that: a round hole punch without a fixed seat comprises a round rod supporting part, wherein the upper end of the round rod supporting part is sequentially provided with a positioning straight wall part and a fine thread threaded rod, and the lower end of the round rod supporting part is sequentially provided with an installation limiting part and a working part; the working part is cylindrical, and the end part of the working part is provided with a cutting edge; the side of the working part is provided with a plurality of limiting surfaces.
The further improvement lies in that: the fine thread rod, the positioning straight wall part, the round rod supporting part, the installation limiting part and the working part are of an integrated structure.
The further improvement lies in that: the fine thread rod, the positioning straight wall part, the round rod supporting part, the installation limiting part and the working part are located on the same axis.
The further improvement lies in that: the diameters of the fine thread rod, the positioning straight wall part and the round rod supporting part are sequentially increased.
The further improvement lies in that: the limiting surfaces are four, every two limiting surfaces are arranged oppositely, and the included angle between every two adjacent limiting surfaces is 90 degrees.
The further improvement lies in that: an arc transition section is arranged between the working part and the installation limiting part.
The utility model provides a girder die, which comprises an upper die and a plurality of round hole punches; the mounting surface of the upper die is provided with a plurality of mounting holes, and the round hole punch heads are mounted in the corresponding mounting holes.
The further improvement lies in that: the mounting hole comprises a pin hole part and a screw hole part, the screw hole part is matched with a fine tooth threaded rod of the round hole punch, and the pin hole part is matched with a positioning straight wall part of the round hole punch.
The further improvement lies in that: the mounting surface of the upper die is also provided with a plurality of limiting parts and a plurality of guiding parts.
The beneficial effects of the utility model reside in that:
1. because the round hole punch has no fixed seat, the expense for purchasing the fixed seat is reduced, and the cost is saved; the fixed seat does not need to be processed, and the processing time is saved.
2. Because the round hole drift does not have the fixing base, can realize independent installation and dismantlement, just can not reduce dismouting man-hour with drift mutual interference on every side in the dismouting, the dismouting is more convenient, even the later stage is changed the drift, also can effectively improve work efficiency.
3. Because the bottom of the round hole punch is provided with the M12 fine-tooth threaded rod, the axis of the threaded rod is superposed with the axis of the punch, the punch can be effectively screwed on the upper die mounting surface of the die, and only one M12 threaded hole needs to be machined on the upper die mounting surface, so that the machining time is reduced.
4. Because the bottom of the round hole punch is provided with a positioning straight wall part with the diameter of 16MM and the length of 10MM close to the threaded rod, the axis of the positioning straight wall part is superposed with the axis of the punch, the positioning straight wall part can be effectively and tightly installed as a pin of M16 and a pin hole of an upper die installation surface M16, the accurate positioning of the punch can be realized, the structure that the punch is integrated with a screw and a pin is further realized, and the cost is saved.
5. Because be equipped with the spacing portion of installation between round bar supporting part and the working portion, the side of working portion is provided with four spacing faces, is 90 degrees between every two adjacent spacing faces, and is parallel with the spacing face of symmetry side, and the fitter can be with two spacing faces of clamp centre gripping when dismouting round hole drift, the phenomenon of skidding can not appear twisting the round hole drift, and it is more convenient to operate.
Drawings
Fig. 1 is a perspective view of a circular hole punch without a fixing base in an embodiment of the present invention;
fig. 2 is a front view of a circular hole punch without a fixing base in an embodiment of the present invention;
fig. 3 is a top view of a circular hole punch without a fixing base according to an embodiment of the present invention;
fig. 4 is a bottom view of the circular hole punch without the fixing base in the embodiment of the present invention;
fig. 5 is a schematic structural view of an upper die of a girder die in an embodiment of the present invention.
Reference numerals:
1-a circular hole punch; 11-a round bar support; 12-positioning the straight wall portion; 13-fine threaded rod; 14-a working part; 15-installing a limiting part; 2-upper mould; 3-a guide member; 4-a limiting part.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.
In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.
The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.
Referring to fig. 1 to 4, an embodiment of the present invention provides a circular hole punch without a fixed seat, including a circular rod supporting portion 11, an upper end of the circular rod supporting portion 11 is sequentially provided with a positioning straight wall portion 12 and a fine threaded rod 13, and a lower end of the circular rod supporting portion 11 is sequentially provided with an installation limiting portion 15 and a working portion 14; the working part 14 is cylindrical, and a cutting edge is arranged at the end part of the working part 14; the side of the working part 14 is provided with a plurality of limiting surfaces. Specifically, the fine thread rod 13, the positioning straight wall portion 12, the round rod supporting portion 11, the installation limiting portion 15 and the working portion 14 are of an integrated structure. The fine thread rod 13, the positioning straight wall part 12, the round rod supporting part 11, the installation limiting part 15 and the working part 14 are positioned on the same axis. In this embodiment, the diameters of the fine thread rod 13, the positioning straight wall portion 12, and the round rod support portion 11 are sequentially increased.
Preferably, four limiting surfaces are arranged oppositely in pairs, and the included angle between every two adjacent limiting surfaces is 90 degrees. An arc transition section is arranged between the working part 14 and the installation limiting part 15.
Referring to fig. 5, an embodiment of the present invention further provides a girder die, which includes an upper die 2 and a plurality of circular hole punches 1 as described above; the mounting surface of the upper die 2 is provided with a plurality of mounting holes, and the round hole punch 1 is mounted in the corresponding mounting hole. Specifically, the mounting hole comprises a pin hole part and a screw hole part, the screw hole part is matched with a fine thread rod 13 of the round hole punch 1, and the pin hole part is matched with a positioning straight wall part 12 of the round hole punch 1. The mounting surface of the upper die 2 is also provided with a plurality of limiting parts 4 and a plurality of guiding parts 3.
The utility model discloses a theory of operation does:
in the die, a round hole punch mounting surface is machined on an upper die body, then an M16 pin hole with the depth of 12MM is machined on the mounting surface, and an M12 fine thread threaded hole is drilled at the bottom of the pin hole. The round hole punch is placed at the position of a punching axis, the axis of the round hole punch is coincided with the axis of a punching line, a fitter clamps two limiting surfaces of the round hole punch, the round hole punch is screwed into the upper die body, the positioning straight wall part of the bottom of the round hole punch, which is close to the threaded rod, is effectively and tightly installed with the pin hole of the upper die installation surface M16, and the accurate positioning of the round hole punch is realized.
In the description of the specification, reference to the description of "one embodiment," "preferably," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and schematic representations of the terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
With the above structure and principle in mind, those skilled in the art should understand that the present invention is not limited to the above embodiments, and all modifications and substitutions based on the present invention and adopting the known technology in the art are within the scope of the present invention, which should be limited by the claims.
Claims (9)
1. The utility model provides a no round hole drift of fixing base, includes round bar supporting part (11), its characterized in that: the upper end of the round rod supporting part (11) is sequentially provided with a positioning straight wall part (12) and a fine thread threaded rod (13), and the lower end of the round rod supporting part (11) is sequentially provided with an installation limiting part (15) and a working part (14); the working part (14) is cylindrical, and a cutting edge is arranged at the end part of the working part (14); the side of the working part (14) is provided with a plurality of limiting surfaces.
2. The circular hole punch without a fixed base according to claim 1, wherein: the fine thread rod (13), the positioning straight wall part (12), the round rod supporting part (11), the installation limiting part (15) and the working part (14) are of an integrated structure.
3. The circular hole punch without a fixed base according to claim 1, wherein: the fine thread rod (13), the positioning straight wall part (12), the round rod supporting part (11), the installation limiting part (15) and the working part (14) are located on the same axis.
4. The circular hole punch without a fixed base according to claim 1, wherein: the diameters of the fine thread rod (13), the positioning straight wall part (12) and the round rod supporting part (11) are sequentially increased.
5. The circular hole punch without a fixed base according to claim 1, wherein: the limiting surfaces are four, every two limiting surfaces are arranged oppositely, and the included angle between every two adjacent limiting surfaces is 90 degrees.
6. The circular hole punch without a fixed base according to claim 1, wherein: an arc transition section is arranged between the working part (14) and the installation limiting part (15).
7. The utility model provides a girder mould, includes mould (2), its characterized in that: further comprising a plurality of round hole punches (1) as claimed in claim 1; the mounting surface of the upper die (2) is provided with a plurality of mounting holes, and the round hole punch (1) is mounted in the corresponding mounting hole.
8. The girder mold according to claim 7, wherein: the mounting hole comprises a pin hole part and a screw hole part, the screw hole part is matched with a fine tooth threaded rod (13) of the round hole punch (1), and the pin hole part is matched with a positioning straight wall part (12) of the round hole punch (1).
9. The girder mold according to claim 7, wherein: the mounting surface of the upper die (2) is also provided with a plurality of limiting parts (4) and a plurality of guiding parts (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020772920.6U CN212397810U (en) | 2020-05-12 | 2020-05-12 | Round hole punch and girder die without fixing seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020772920.6U CN212397810U (en) | 2020-05-12 | 2020-05-12 | Round hole punch and girder die without fixing seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212397810U true CN212397810U (en) | 2021-01-26 |
Family
ID=74376371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020772920.6U Active CN212397810U (en) | 2020-05-12 | 2020-05-12 | Round hole punch and girder die without fixing seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212397810U (en) |
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2020
- 2020-05-12 CN CN202020772920.6U patent/CN212397810U/en active Active
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