CN111716299A - Self-centering sample punching device - Google Patents
Self-centering sample punching device Download PDFInfo
- Publication number
- CN111716299A CN111716299A CN202010628407.4A CN202010628407A CN111716299A CN 111716299 A CN111716299 A CN 111716299A CN 202010628407 A CN202010628407 A CN 202010628407A CN 111716299 A CN111716299 A CN 111716299A
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- Prior art keywords
- hole
- positioning
- sample
- self
- sample punch
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Links
- 238000004080 punching Methods 0.000 title abstract description 26
- 230000002093 peripheral effect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- ZXJXZNDDNMQXFV-UHFFFAOYSA-M crystal violet Chemical compound [Cl-].C1=CC(N(C)C)=CC=C1[C+](C=1C=CC(=CC=1)N(C)C)C1=CC=C(N(C)C)C=C1 ZXJXZNDDNMQXFV-UHFFFAOYSA-M 0.000 description 3
- 229960001235 gentian violet Drugs 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D5/00—Centre punches
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a self-centering sample punching device, which comprises: positioning disk and appearance are towards, and the peripheral edge of positioning disk is equipped with the protruding location tang of one side, and the middle part of positioning disk is equipped with the through-hole. When the positioning plate is used, the positioning spigot is buckled on the end face of the shaft workpiece, the sample punch is sleeved in the through hole, the inner surface of the through hole is tightly matched with the outer peripheral surface of the sample punch so as to ensure the coaxiality of the sample punch and the through hole, namely the positioning plate, the sample punch and the through hole are coaxial, and finally the upper end of the sample punch is knocked by a hammer, so that the sample punch can be punched on the end face of the shaft workpiece.
Description
Technical Field
The invention relates to the technical field of sample punching, in particular to a self-centering sample punching device.
Background
The center hole is a positioning reference of the shaft workpiece, and has the characteristics of accurate positioning, good processing rigidity and good safety, and the positioning can still be kept unchanged even though the center hole is used for many times. Especially, when processing shaft workpieces with thicker diameters, the position of the central hole is very important.
At present, a scribing method is generally used for firstly punching a sample and then processing a center hole, and the method comprises the following steps: coating gentian violet or chalk on the shaft end, measuring the size of the shaft, drawing three intersecting arcs on the shaft end according to a half of the shaft diameter by using a gauge, punching sample punching holes at the intersection of the arcs, and then punching a central hole by using the sample punching as a reference. However, the position of the central hole formed by the method is difficult to ensure, and the working efficiency is low. Particularly, when the workpiece allowance is small, the workpiece is easily scrapped.
Therefore, how to improve the quality and efficiency of sample hole punching is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of this, the present invention provides a self-centering punching device, which can improve punching efficiency.
In order to achieve the purpose, the invention provides the following technical scheme:
a self-centering sample punch device, comprising: positioning disk and appearance are dashed, the neighboring of positioning disk is equipped with the convex location tang to one side, the location tang is used for detaining the terminal surface at axle type work piece, the middle part of positioning disk is equipped with the through-hole, the appearance is dashed the cover and is established in the through-hole, just the appearance dash with the through-hole and the positioning disk is coaxial.
Preferably, the inner side surface of the locating spigot is divergent from inside to outside.
Preferably, the inner side surface of the positioning spigot is a conical surface.
Preferably, a guide cylinder is arranged on one side of the positioning disc, which deviates from the positioning spigot, the guide cylinder is coaxial with the through hole, and the sample punch is sleeved in the guide cylinder and the through hole.
Preferably, the outer periphery of the sample punch is provided with a positioning step, and the positioning step is used for limiting the punch of the sample punch to extend out of the positioning spigot for a preset length.
Preferably, the upper end of the sample punch extends out of the guide cylinder.
Compared with the prior art, the technical scheme has the following advantages:
the invention provides a self-centering sample punching device, which comprises: positioning disk and appearance are towards, and the peripheral edge of positioning disk is equipped with the protruding location tang of one side, and the middle part of positioning disk is equipped with the through-hole. When the positioning plate is used, the positioning spigot is buckled on the end face of the shaft workpiece, the sample punch is sleeved in the through hole, the inner surface of the through hole is tightly matched with the outer peripheral surface of the sample punch so as to ensure the coaxiality of the sample punch and the through hole, namely the positioning plate, the sample punch and the through hole are coaxial, and finally the upper end of the sample punch is knocked by a hammer, so that the sample punch can be punched on the end face of the shaft workpiece.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a self-centering sample punching device according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a self-centering sample punch device according to an embodiment of the present invention.
The reference numbers are as follows:
1 is the appearance towards, 2 is the positioning disk, 3 is the location tang, 4 is the guide cylinder, 5 is the location terrace.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a self-centering sample punching device according to an embodiment of the present invention; fig. 2 is a cross-sectional view of a self-centering sample punch device according to an embodiment of the present invention.
The embodiment of the invention provides a self-centering sample punching device, which comprises: the positioning disc 2 and the sample punch 1 are provided with positioning spigots 3 protruding towards one side at the peripheral edge of the positioning disc 2, a through hole is formed in the middle of the positioning disc 2, and a punch of the sample punch 1 is turned to enable the rotation axis of the punch to be coaxial with the main rotation axis. When the positioning device is used, the positioning spigot 3 is buckled on the end face of a shaft workpiece, then the sample punch 1 is sleeved in the through hole, the inner surface of the through hole is tightly matched with the peripheral surface of the sample punch 1 to ensure the coaxiality of the sample punch 1 and the through hole, namely the positioning disc 2, the sample punch 1 and the through hole are coaxial, and finally the upper end of the sample punch 1 is knocked by a hammer, so that the sample punch 1 can be punched on the end face of the shaft workpiece. Wherein positioning disk 2 can make according to the external diameter of the axle type work piece tip of different models, and the through-hole size is unchangeable on positioning disk 2, still with the appearance towards the mutually supporting of 1 external diameter, only need change during the use positioning disk 2 of corresponding size can.
Furthermore, the inner side surface of the positioning spigot 3 is gradually expanded from inside to outside so as to adapt to the size change of the shaft workpiece. The inner side surface of the positioning spigot 3 is preferably a conical surface, and the taper of the conical surface is preferably 20 degrees.
Furthermore, one side of the positioning disk 2, which is far away from the positioning spigot 3, is provided with a guide cylinder 4, the guide cylinder 4 is coaxial with the through hole, the sample punch 1 is sleeved in the guide cylinder 4 and the through hole, the stability of the hammer sample punch 1 can be improved through the guide cylinder 4, and the guide cylinder 4 and the positioning disk 2 are preferably of an integrated structure.
Specifically, the appearance is dashed 1 periphery and is equipped with location step 5, and location step 5 is used for limiting the appearance and dashes 1 drift and stretches out location tang 3 and predetermine length, and location step 5 still can prevent simultaneously that the appearance from dashing 1 and falling out from the through-hole, wherein can make the user when using through location step 5, convenient and fast more.
In order to facilitate hammering of the sample punch 1, the upper end of the sample punch 1 extends out of the guide cylinder 4, and the extending length can be selected according to actual conditions. In addition, the positioning step 5 is preferably arranged on the periphery of the upper part of the sample punch 1 and positioned on the upper part of the guide cylinder 4, the outer diameter of the positioning step 5 is larger than the inner diameter of the guide cylinder 4, and the sample punch 1 can be prevented from moving downwards continuously by the contact of the positioning step 5 and the upper surface of the guide cylinder 4.
When the method is used specifically, 10 shaft workpieces with the diameter of 100mm are taken, the traditional scribing and punching method is adopted, the time for coating gentian violet is 1 minute, the time for measuring is 1 minute, the time for scribing a compass is 3 minutes, the time for drawing a circular arc is 3 minutes, the time for proofing and punching is 3 minutes, and the total time is 12 minutes; by adopting the self-centering sample punching device provided by the invention, the steps of coating gentian violet, measuring, drawing a gauge, drawing an arc and the like are omitted, the self-centering sample punching device can be directly buckled at the end part of a shaft workpiece, and punching can be carried out, the time is 10 seconds, so that the punching efficiency is far greater than that of the existing punching mode, and the punching quality is higher.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The self-centering sample punching device provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (6)
1. A self-centering sample punch device, comprising: positioning disk and appearance are dashed, the neighboring of positioning disk is equipped with the convex location tang to one side, the location tang is used for detaining the terminal surface at axle type work piece, the middle part of positioning disk is equipped with the through-hole, the appearance is dashed the cover and is established in the through-hole, just the appearance dash with the through-hole and the positioning disk is coaxial.
2. The self-centering sample punch device of claim 1, wherein the inner side surface of the locating spigot is flared from the inside to the outside.
3. The self-centering pilot punch device of claim 2, wherein the inner side surface of the locating spigot is tapered.
4. The self-centering sample punch device according to claim 1, wherein a guide cylinder is arranged on a side of the positioning plate facing away from the positioning spigot, the guide cylinder is coaxial with the through hole, and the sample punch is sleeved in the guide cylinder and the through hole.
5. The self-centering sample punch device according to claim 4, wherein the sample punch is provided with a positioning step on the periphery, and the positioning step is used for limiting the punch head of the sample punch to extend out of the positioning spigot for a preset length.
6. The self-centering sample punch device of claim 4, wherein the upper end of the sample punch protrudes from the guide cylinder bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010628407.4A CN111716299A (en) | 2020-07-02 | 2020-07-02 | Self-centering sample punching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010628407.4A CN111716299A (en) | 2020-07-02 | 2020-07-02 | Self-centering sample punching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111716299A true CN111716299A (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010628407.4A Pending CN111716299A (en) | 2020-07-02 | 2020-07-02 | Self-centering sample punching device |
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| Country | Link |
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| CN (1) | CN111716299A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809643A (en) * | 2020-12-31 | 2021-05-18 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Scribing centering device, apparatus and method |
| CN113770979A (en) * | 2021-09-01 | 2021-12-10 | 沪东中华造船(集团)有限公司 | Drilling and coring device and method for marine equipment base gasket |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB589838A (en) * | 1945-03-17 | 1947-07-01 | William Francis Boyce | Centering devices |
| GB1001530A (en) * | 1963-07-29 | 1965-08-18 | Dennis John Everest | Improved centre punch |
| GB2402099A (en) * | 2003-05-31 | 2004-12-01 | Richard James Mathias Jones | Bolt head centre marker |
| CN204658369U (en) * | 2015-04-28 | 2015-09-23 | 沪东中华造船(集团)有限公司 | A kind of auxiliary mould for beaing standardization ocean punching point |
| CN206393571U (en) * | 2016-09-30 | 2017-08-11 | 四川爱思新机械设备制造有限公司 | Boring centering machine with guide rail |
-
2020
- 2020-07-02 CN CN202010628407.4A patent/CN111716299A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB589838A (en) * | 1945-03-17 | 1947-07-01 | William Francis Boyce | Centering devices |
| GB1001530A (en) * | 1963-07-29 | 1965-08-18 | Dennis John Everest | Improved centre punch |
| GB2402099A (en) * | 2003-05-31 | 2004-12-01 | Richard James Mathias Jones | Bolt head centre marker |
| CN204658369U (en) * | 2015-04-28 | 2015-09-23 | 沪东中华造船(集团)有限公司 | A kind of auxiliary mould for beaing standardization ocean punching point |
| CN206393571U (en) * | 2016-09-30 | 2017-08-11 | 四川爱思新机械设备制造有限公司 | Boring centering machine with guide rail |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809643A (en) * | 2020-12-31 | 2021-05-18 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Scribing centering device, apparatus and method |
| CN113770979A (en) * | 2021-09-01 | 2021-12-10 | 沪东中华造船(集团)有限公司 | Drilling and coring device and method for marine equipment base gasket |
| CN113770979B (en) * | 2021-09-01 | 2024-05-10 | 沪东中华造船(集团)有限公司 | Drilling coring device and method for marine equipment base gasket |
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Application publication date: 20200929 |
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| RJ01 | Rejection of invention patent application after publication |