CN203343645U - Locating pin - Google Patents
Locating pin Download PDFInfo
- Publication number
- CN203343645U CN203343645U CN 201320317674 CN201320317674U CN203343645U CN 203343645 U CN203343645 U CN 203343645U CN 201320317674 CN201320317674 CN 201320317674 CN 201320317674 U CN201320317674 U CN 201320317674U CN 203343645 U CN203343645 U CN 203343645U
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- CN
- China
- Prior art keywords
- component
- locating
- locating surface
- workpiece
- alignment pin
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a locating pin. The locating pin is used for carrying out locating on a workpiece, and a locating hole is formed in the workpiece. The locating pin comprises a first component and a second component which is matched with the first component, wherein the first component comprises a first locating face, the second component comprises a second locating face, the first locating face is matched with the second locating face, the first component and the second component are connected in a fastened mode, and the workpiece is arranged between the first locating face and the second locating face. The locating pin can be repeatedly used in the process of welding small-sized workpieces, the enough welding space can be reserved, welding quality is improved, and manufacturing cost of a clamp can also be reduced.
Description
Technical field
The utility model relates to the anchor structure field, relates in particular to a kind of alignment pin.
Background technology
In plant equipment, in the locating hole of alignment pin or the workpiece that connects fastening through needs, play the effect of the free degree on restriction object all directions.For example, a workpiece, two alignment pins, can control the free degree of 3 directions.Workpiece is placed on the XY plane, two locating holes, and two alignment pins, can control X, Y-direction, and control workpiece along the Z direction rotation.Locating pin structure is widely used in the jig Design unit, makes workpiece meet welding requirements.
Usually fixed and telescopic two kinds of forms that the locating pin structure on fixture adopts.Fixed, be that stylus pin passes through the alignment pin connecting plate, the adjustment through both direction, finally be connected to rebound.The not flexible of this kind of connected mode pin.Telescopic, be that stylus pin passes through the alignment pin connecting plate, through the both direction adjustment, finally be connected to telescoping cylinder, telescoping cylinder is connected on rebound or rocking arm.It is larger that the connected mode of these two kinds of alignment pins is applicable to workpiece, the high workpiece to required precision; And the welding smallclothes, welding precision is less demanding, and in the few situation of the number of times that this fixture is used altogether, these two kinds of locating pin structure production costs are high, and manufacturing time is long, causes very large waste.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of alignment pin, and the function of this existing location of alignment pin has again the function of compression, and reusable.
For solving the problems of the technologies described above, the utility model provides technical scheme as follows:
A kind of alignment pin, for workpiece is positioned, be provided with a locating hole on described workpiece, described alignment pin comprises first component and the second component coordinated with described first component, wherein: described first component comprises the first locating surface, and described second component comprises the second locating surface, and described the first locating surface coordinates with described the second locating surface, described first component and described second component are fastenedly connected, and described workpiece setting is between described the first locating surface and described the second locating surface.
Preferably, described first component comprises first with first diameter and the second portion of Second bobbin diameter, described the first diameter is less than described Second bobbin diameter, described first is that outer surface arranges threaded threaded rod, wherein, the end that described second portion is connected with described first forms described the first locating surface;
Have the screwed hole coordinated with described threaded rod on one end face of described second component, the place, outer face of described screwed hole forms described the second locating surface.
Preferably, the diameter of described threaded rod is less than the diameter of described locating hole.
Preferably, described first component, second component are cylindrical or rhombus, and described the first locating surface is while coordinating with described the second locating surface, and described first component and described second component are on same axis.
Preferably, described first component, second component are all for being made by Steel material.
Compared with prior art, the beneficial effects of the utility model are:
Alignment pin of the present utility model is reusable in the small size workpiece process of the welding location of workpiece, and can leave enough welding spaces, improves welding quality, can also reduce the manufacturing cost of fixture.
The accompanying drawing explanation
The structure chart that the alignment pin that Fig. 1 is the utility model embodiment coordinates with workpiece;
The exploded view that the alignment pin that Fig. 2 is the utility model embodiment coordinates with workpiece;
The front view that the alignment pin that Fig. 3 is the utility model embodiment coordinates with workpiece;
The cutaway view that Fig. 4 is A-A section in Fig. 3;
The front view of the alignment pin that Fig. 5 is the utility model embodiment.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawings and the specific embodiments the utility model is described in detail.At this, illustrative examples of the present utility model and explanation, for explaining the utility model, still can not be thought restriction of the present utility model.
A kind of alignment pin provided by the utility model, position for the workpiece less to weld size, to guarantee the accuracy of welding.Fig. 1 is the structure chart that this alignment pin coordinates with workpiece, the exploded view that the alignment pin that Fig. 2 is the utility model embodiment coordinates with workpiece, please refer to Fig. 1, Fig. 2, described alignment pin comprises first component 2 and the second component 1 coordinated with described first component 2, and wherein: described first component 2 comprises the first locating surface S
1, described second component 1 comprises and described the first locating surface S
1the the second locating surface S coordinated
2.As described the first locating surface S
1with described the second locating surface S
2during cooperation, described first component 2 is fastenedly connected with described second component 1, and described workpiece 3 just is arranged on described the first locating surface S
1with described the second locating surface S
2between.
As a most preferred embodiment of the present utility model, described first component 2 is the mode that bolt thread is connected with the connected mode of described second component 1.Please refer to Fig. 2, the mode that described bolt thread connects is:
Described first component 2 comprises first with first diameter and the second portion of Second bobbin diameter, described the first diameter is less than described Second bobbin diameter, described first is that outer surface arranges threaded threaded rod 12, wherein, the end that described second portion is connected with described first forms described the first locating surface S
1.
Have the screwed hole 11 coordinated with described threaded rod on one end face of described second component, the place, outer face of described screwed hole 11 forms described the second locating surface S
2.
In position fixing process, described threaded rod 12 passes the locating hole 31 on workpiece 3 and screws in described screwed hole 11, now described the first locating surface S
1with described the second locating surface S
2tighten described workpiece 3 from relative direction, limit the free degree of described workpiece 3 in the Z direction, simultaneously described threaded rod 12 limits the free degree of described workpiece 3 in the XY direction, thereby grips described workpiece 3.
The alignment pin of said structure, owing to adopting cooperatively interacting between two parts, not only makes this alignment pin reusable in the welding position fixing process of workpiece, and can leave enough welding spaces, improves welding quality, and can reduce the manufacturing cost of fixture.
The front view that the alignment pin that Fig. 3 is the utility model embodiment coordinates with workpiece, the cutaway view that Fig. 4 is A-A section in Fig. 3, with reference to Fig. 3, Fig. 4 and in conjunction with Fig. 2, in order to allow threaded rod 12 through the locating hole 31 on workpiece 3, must guarantee that the diameter of described threaded rod 12 is less than the diameter of described locating hole 31.
With reference to Fig. 1, in order to make the first locating surface S
1with described the second locating surface S
2meet force request when relative direction tightens described workpiece 3, need to guarantee threaded rod 12 through the locating hole 31 on workpiece 3 and after screwing in described screwed hole 11 at described the first locating surface S
1with described the second locating surface S
2during cooperation, described first component 2 and described second component 1 are on same axle 4.
The front view of the alignment pin that Fig. 5 is the utility model embodiment, with reference to Fig. 5, described first component 2 be cylindrical or rhombus wherein a kind of, described second component 1 is also cylindrical or rhombus is wherein a kind of, and described first component 2 is consistent in shape with described second component 1, if described first component 2 is circular, described second component 1 is also circular; If described first component 2 is rhombus, described second component 1 is also rhombus.And described first component 2, second component 1 are all for being made by Steel material.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. an alignment pin, for workpiece is positioned, be provided with a locating hole on described workpiece, it is characterized in that, described alignment pin comprises first component and the second component coordinated with described first component, wherein: described first component comprises the first locating surface, described second component comprises the second locating surface, described the first locating surface coordinates with described the second locating surface, described first component and described second component are fastenedly connected, and described workpiece setting is between described the first locating surface and described the second locating surface.
2. alignment pin according to claim 1, it is characterized in that, described first component comprises first with first diameter and the second portion of Second bobbin diameter, described the first diameter is less than described Second bobbin diameter, described first is that outer surface arranges threaded threaded rod, wherein, the end that described second portion is connected with described first forms described the first locating surface;
Have the screwed hole coordinated with described threaded rod on one end face of described second component, the place, outer face of described screwed hole forms described the second locating surface.
3. alignment pin according to claim 1, is characterized in that, the diameter of described threaded rod is less than the diameter of described locating hole.
4. alignment pin according to claim 1, is characterized in that, described first component, second component are cylindrical or rhombus, and described the first locating surface is while coordinating with described the second locating surface, and described first component and described second component are on same axis.
5. alignment pin according to claim 1, is characterized in that, described first component, second component are all for being made by Steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320317674 CN203343645U (en) | 2013-06-04 | 2013-06-04 | Locating pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320317674 CN203343645U (en) | 2013-06-04 | 2013-06-04 | Locating pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203343645U true CN203343645U (en) | 2013-12-18 |
Family
ID=49743578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320317674 Expired - Fee Related CN203343645U (en) | 2013-06-04 | 2013-06-04 | Locating pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203343645U (en) |
-
2013
- 2013-06-04 CN CN 201320317674 patent/CN203343645U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20210604 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |