CN214472245U - Bulging male die and bulging testing machine - Google Patents
Bulging male die and bulging testing machine Download PDFInfo
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- CN214472245U CN214472245U CN202120279259.XU CN202120279259U CN214472245U CN 214472245 U CN214472245 U CN 214472245U CN 202120279259 U CN202120279259 U CN 202120279259U CN 214472245 U CN214472245 U CN 214472245U
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- bulging
- punch
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- connecting column
- central hole
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Abstract
The utility model discloses a bulging terrace die and bulging test machine belongs to panel punching press technical field. The bulging male die comprises: the punch, the connecting column and the supporting column; the top of the supporting column is provided with a central hole; the first end of the connecting column is fixedly connected with the punch, and the second end of the connecting column is detachably arranged in the central hole; wherein, drift, spliced pole and support column are coaxial. The utility model discloses bulging terrace die and bulging testing machine have avoided the drift to collide with whole terrace die that the damage arouses and have scrapped, resources are saved, reduce cost.
Description
Technical Field
The utility model relates to a panel punching press technical field, in particular to bulging terrace die and bulging test machine.
Background
The automobile industry is rapidly developed, the automobile market is gradually expanded, and the automobile plate consumption is increased day by day. There are also increasing methods for testing and evaluating the formability of automotive sheets.
The method adopts test pieces with different widths and circular grids, the test pieces are clamped between annular female dies, and the rigid male die expands the test pieces to fracture; and measuring strain values of test pieces with different widths in the visible necking and cracking area and the vicinity, and drawing a forming limit curve. The forming limit curve has important significance for evaluating material performance and guiding actual production of parts.
At present, in the assembling and using process of the bulging male die used in the bulging test, the frequency of collision of the punch is high, so that the working part of the punch is damaged, and the whole bulging male die is scrapped, thereby causing resource waste.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bulging terrace die and bulging testing machine has solved or partially has solved the drift working part impaired of bulging terrace die among the prior art to whole bulging terrace die is scrapped, causes the technical problem of wasting of resources.
In order to solve the technical problem, the utility model provides an expanding male die includes: the punch, the connecting column and the supporting column; the top of the supporting column is provided with a central hole; the first end of the connecting column is fixedly connected with the punch, and the second end of the connecting column is detachably arranged in the central hole; wherein, drift, spliced pole and support column are coaxial.
Further, the bulging male die further comprises: a plurality of locking members; a plurality of threaded holes are formed in the side surface of the supporting column and are communicated with the central hole; a plurality of grooves are formed in the side surface of the connecting column, and the grooves correspond to the threaded holes one by one; a plurality of retaining member and a plurality of screw hole one-to-one, the retaining member passes correspondingly the screw hole gets into in the recess.
Further, the outer diameter of the end of the locking member facing the connecting column matches the inner diameter of the groove.
Further, the diameter of the connecting column is matched with the diameter of the central hole.
Further, the length of the connecting column is matched with the depth of the central hole.
Further, the shape of the punch is hemispherical.
Further, the diameter of the punch is matched with that of the support column.
Furthermore, the bottom of the support column is provided with a connecting hole.
Furthermore, a flange plate is fixedly arranged at the bottom of the supporting column.
The application still provides a bulging test machine, include bulging terrace die.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
because the centre bore has been seted up at the top of support column, the first end and the drift fixed connection of spliced pole, the second end of spliced pole sets up in the centre bore detachablely, so, when the drift damages, dismantle the spliced pole by the centre bore in, take away the drift that damages, install the spliced pole of the drift of changing in the centre bore, the support column need not be changed, the whole terrace die that the drift collided with the damage and arouses is scrapped, resources are saved, and the cost is reduced, because the drift, spliced pole and support column are coaxial, so, can guarantee the experimental precision of bulging.
Drawings
Fig. 1 is a schematic structural view of an expanding male die provided by an embodiment of the present invention;
fig. 2 is a schematic view of the assembly of the expansion punch of fig. 1.
Detailed Description
Referring to fig. 1-2, an embodiment of the present invention provides an expanding male die, including: drift 1, spliced pole 2 and support column 3.
The top of the support column 3 is provided with a central hole.
The first end of the connecting column 2 is fixedly connected with the punch 1, and the second end of the connecting column 2 is detachably arranged in the central hole.
Wherein, drift 1, spliced pole 2 and support column 3 are coaxial.
This application embodiment is because the centre bore has been seted up at support column 3's top, the first end and the 1 fixed connection of drift of spliced pole 2, the second end of spliced pole 2 sets up in the centre bore detachablely, so, when drift 1 damages, with spliced pole 2 by dismantling in the centre bore, take away the drift that damages, install spliced pole 2 of the drift 1 of changing in the centre bore, need not change support column 3, the whole terrace die that has avoided the drift to collide with the damage and arouse is scrapped, resources are saved, and therefore, the cost is reduced, because drift 1, spliced pole 2 and support column 3 are coaxial, so, can guarantee the experimental precision of bulging.
The punch 1, the connecting column 2 and the supporting column 3 can be made of chromium-molybdenum-vanadium-dodecaoxide (Cr12MoV) to ensure rigidity.
Specifically, the bulging male die further comprises: a plurality of locking members 4.
A plurality of threaded holes are formed in the side face of the support column 3 and communicated with the center hole.
A plurality of grooves are formed in the side face of the connecting column 2 and correspond to the threaded holes one by one.
The locking pieces 4 correspond to the threaded holes one by one, and the locking pieces 4 penetrate through the corresponding threaded holes to enter the grooves.
When spliced pole 2 got into the centre bore in, retaining member 4 passed in corresponding screw hole gets into the recess, radial and axial to spliced pole 2 is radial spacing, avoid spliced pole 2 to drop by the centre bore, guarantee the stability that drift 1 and support column 3 are connected, when drift 1 damaged, take out retaining member 4 in corresponding screw hole and the recess, make spliced pole 2 and centre bore separation, take away the drift that damages, install the spliced pole 2 of new drift in the centre bore, and is simple and practical, the dismouting is convenient, and convenient operation.
Preferably, the number of retaining members 4 is two.
Wherein, the locking piece 4 can adopt a set screw.
Specifically, the external diameter of retaining member 4 towards the tip of spliced pole 2 matches with the internal diameter of recess, guarantees to lock stably spliced pole 2.
Specifically, the diameter of the connecting column 2 is matched with that of the central hole, the length of the connecting column 2 is matched with the depth of the central hole, the connecting column 2 is prevented from shaking in the central hole, and normal operation of a bulging test is guaranteed.
Specifically, the shape of the punch 1 is a hemisphere. The diameter of the punch 1 is matched with that of the support column 3, so that the normal operation of the bulging test is ensured.
Wherein, the diameter of the support column 3 is 100-110mm, and the height of the support column 3 is 130-150 mm.
Specifically, the bottom of support column 3 has seted up the connecting hole for be connected with the lower cylinder of bulging test machine.
Specifically, the fixed ring flange 5 that is provided with in bottom of support column 3 for be connected with bulging testing machine, guarantee the stability of connecting.
The utility model also provides a bulging test machine, this bulging test machine have adopted the bulging terrace die in above-mentioned embodiment, and the concrete structure of this bulging terrace die refers to above-mentioned embodiment, because this bulging terrace die has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, no longer gives unnecessary details here one by one.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. An expanding punch, comprising: the punch, the connecting column and the supporting column;
the top of the supporting column is provided with a central hole;
the first end of the connecting column is fixedly connected with the punch, and the second end of the connecting column is detachably arranged in the central hole;
wherein, drift, spliced pole and support column are coaxial.
2. The expanding punch of claim 1, further comprising: a plurality of locking members;
a plurality of threaded holes are formed in the side surface of the supporting column and are communicated with the central hole;
a plurality of grooves are formed in the side surface of the connecting column, and the grooves correspond to the threaded holes one by one;
a plurality of retaining member and a plurality of screw hole one-to-one, the retaining member passes correspondingly the screw hole gets into in the recess.
3. The expanding punch of claim 2, wherein:
the outer diameter of the end part of the connecting column, facing the locking piece, is matched with the inner diameter of the groove.
4. The expanding punch of claim 1, wherein:
the diameter of the connecting column is matched with that of the central hole.
5. The expanding punch of claim 1, wherein:
the length of the connecting column is matched with the depth of the central hole.
6. The expanding punch of claim 1, wherein:
the punch is hemispherical in shape.
7. The expanding punch of claim 6, wherein:
the diameter of the punch head is matched with that of the supporting column.
8. The expanding punch of claim 1, wherein:
the bottom of the support column is provided with a connecting hole.
9. The expanding punch of claim 1, wherein:
and a flange plate is fixedly arranged at the bottom of the supporting column.
10. A bulging tester comprising the bulging punch according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120279259.XU CN214472245U (en) | 2021-02-01 | 2021-02-01 | Bulging male die and bulging testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120279259.XU CN214472245U (en) | 2021-02-01 | 2021-02-01 | Bulging male die and bulging testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214472245U true CN214472245U (en) | 2021-10-22 |
Family
ID=78142913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120279259.XU Active CN214472245U (en) | 2021-02-01 | 2021-02-01 | Bulging male die and bulging testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214472245U (en) |
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2021
- 2021-02-01 CN CN202120279259.XU patent/CN214472245U/en active Active
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