CN209164282U - A kind of expansion positioning pin - Google Patents
A kind of expansion positioning pin Download PDFInfo
- Publication number
- CN209164282U CN209164282U CN201821563786.8U CN201821563786U CN209164282U CN 209164282 U CN209164282 U CN 209164282U CN 201821563786 U CN201821563786 U CN 201821563786U CN 209164282 U CN209164282 U CN 209164282U
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- CN
- China
- Prior art keywords
- positioning
- expansion sleeve
- piston
- expansion
- petaloid
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Abstract
The utility model discloses a kind of expansion positioning pin, it is characterised in that: including positioning expansion sleeve, piston and end cap, wherein the upper end of positioning expansion sleeve has petaloid portion, the petaloid portion has several valves closed up to center；The piston is set in positioning expansion sleeve；The end cap is set to positioning expansion sleeve bottom；The positioning expansion sleeve is equipped with stomata；Increase the air pressure between piston and end cap by the stomata, the petaloid portion that can push piston towards positioning expansion sleeve is mobile, and then the valve in petaloid portion is outwardly opened completion positioning；The utility model creates the location hole of energy compatible many kinds of specification, while overcoming because of the problem that manufacturing tolerance causes positioning accuracy not high.
Description
Technical field
The utility model relates to automatic fields more particularly to a kind of for determining all kinds of workpiece with location hole
The expansion positioning pin of position.
Background technique
Now during production, assembly of many electronic products or element etc., positioning is often related to.Such as pcb board exists
In printing process, need position to the position of pcb board then just can be carried out printing etc..Existing positioning method has including figure
As visual identity positioning, positioning pin are combined with location hole.Wherein, image vision identification positioning requires to compare to computing capability
Height needs to configure corresponding processing module, at high cost, and identification process is more complicated, convenience is not high.Existing positioning pin
The positioning method combined with location hole, simple and clear, manufacturing cost is low, high-efficient, but existing positioning pin can only correspond to
The location hole in a kind of model, and the technique relatively high for some positioning requirements, such as the printing of pcb board are applied in ground, fixed
Position pin can not accurately be offseted with location hole inner wall due to tolerance.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of expansion positioning pin, it can be compatible with more
The location hole of kind specification, while overcoming because of the problem that manufacturing tolerance causes positioning accuracy not high.
The expansion positioning pin of the utility model, it is characterised in that: including positioning expansion sleeve, piston and end cap, wherein positioning
The upper end of expansion sleeve has petaloid portion, and the petaloid portion has several valves closed up to center；The piston is set to positioning expansion
In set；The end cap is set to positioning expansion sleeve bottom；The positioning expansion sleeve is equipped with stomata；By the stomata increase piston with
Air pressure between end cap, the petaloid portion that can push piston towards positioning expansion sleeve is mobile, and then the valve in petaloid portion is outwardly opened
Complete positioning.
Preferably, the petaloid portion of the positioning expansion sleeve is equipped with the first tapered surface, vertical surface and the second taper from top to bottom
Face；Wherein, the first tapered surface is up-narrow and down-wide, for guiding petaloid portion to be inserted into the location hole of workpiece to be positioned；Petaloid portion it is upright
Location hole of the face for after piston expands with workpiece to be positioned offsets；The trans D of second tapered surface is greater than vertical surface,
For after petaloid portion is inserted into location hole by workpiece support to be positioned.
Preferably, the piston upper end has the tapered portion to match with the petaloid portion of positioning expansion sleeve, and is located at cone
Plug body part below shape portion.
Preferably, closed cylinder space is formed between the bottom and end cap of the piston.
Preferably, the stomata is set to positioning expansion sleeve and is located on the wall of cylinder space.
Detailed description of the invention
Fig. 1 is the overall structure diagram in certain preferred embodiment；
Fig. 2 is cross-sectional view at A-A in Fig. 1.
Specific embodiment
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
It is the structural schematic diagram of expansion positioning pin in certain preferred embodiment referring to figs. 1 to 2.Wherein as shown in Figure 1, expansion
Positioning pin, including positioning expansion sleeve 11, piston 12 and end cap 13, wherein the upper end of positioning expansion sleeve 11 has petaloid portion 111, with
And the mounting portion 112 under petaloid portion 111.Wherein, 111 inner hollow of petaloid portion of expansion sleeve 11 is positioned, petaloid portion 111 has
There are multiple valves closed up to center.Petaloid portion 111 is equipped with the first tapered surface 111a, vertical surface 111b and the second taper from top to bottom
Face 111c.Wherein, the first tapered surface 111a in petaloid portion 111 is up-narrow and down-wide, to facilitate the positioning for being smoothly inserted into workpiece to be positioned
Hole.The vertical surface 111b in petaloid portion 111 offsets for the expanded rear location hole with workpiece to be positioned, and then is positioned.The
The trans D of two tapered surface 111c is used for after being inserted into location hole to petaloid portion 111 greater than vertical surface 111b to be positioned
Workpiece is supported.The inner hollow of the mounting portion 112 of expansion sleeve 11 is positioned, end cap 13, which will be set to positioning 11 bottom of expansion sleeve, to be determined
Position 11 sealed bottom of expansion sleeve.Depending on 112 shape of mounting portion of positioning expansion sleeve 11 can according to need, positioning expansion sleeve 11
Mounting portion 112 is mainly used for that expansion positioning pin is made to be fixedly installed to corresponding jig, positioning mechanism etc..
Refering to what is shown in Fig. 2, piston 12 is set to the inside of positioning expansion sleeve 11, it can be above and below the inside of positioning expansion sleeve 11
It is mobile.12 upper end of piston has the tapered portion 121 to match with positioning 11 petaloid portion 111 of expansion sleeve, and is located at tapered portion 121
The plug body part 122 of lower section.The tapered portion 121 of piston 12 is up-narrow and down-wide.It is formed between the bottom and end cap 13 of piston 12 closed
Cylinder space.Expansion sleeve 11 is positioned within the scope of the cylinder space, the stomata 113 equipped with input and output gas.Expansion positioning pin work
When, it is evacuated by the stomata 113 of expansion positioning pin, cylinder space air pressure is reduced, and piston 12 moves down.The insertion valve of expansion positioning pin
Shape portion 111 is inserted into the location hole of workpiece to be positioned, and wherein 111 first tapered surface 111a of petaloid portion can guide it to enter positioning
Hole, since the trans D of the second tapered surface 111c in petaloid portion 111 is greater than the aperture of location hole, so the of petaloid portion 111
Two tapered surface 111c can be by workpiece support to be positioned.After vertical surface 111b when petaloid portion 111 is inserted into location hole, pass through stomata
113 increase the air pressure of cylinder space, and piston 12 is up elapsed；The tapered portion 121 of piston 12 will position the petaloid of expansion sleeve 11
Portion 111 expands opening around, increases the trans D of vertical surface 111b, finally makes 111 surrounding of petaloid portion and workpiece to be positioned
Location hole inner wall offset, complete positioning.In this way, the positioning pin relative to traditional fixed size, expansion positioning pin of the invention
Larger range of location hole can be adapted to.Wherein, according to the of different sizes of location hole, the first tapered surface 111a in petaloid portion 111,
Vertical surface 111b and the second tapered surface 111c are used as positioning, so a kind of expansion positioning pin of specification can be used for simultaneously not
With the location hole of size.In addition, traditional positioning pin, size be it is fixed, due to manufacturing tolerance, can not well with
Location hole size is consistent, and is unable to satisfy high-precision positioning needs, and expansion positioning pin of the invention can solve well
Certainly this problem positions every time, and under the effect of piston 12, petaloid portion 111 can be with the positioning hole of workpiece to be positioned after expanding
Wall holding well offsets, and positioning accuracy is high, and fastness is good after positioning.Expansion positioning pin is swollen due to using pneumatic actuation
It is swollen, it is easy to control efficient.Certainly, in certain occasions, the piston 12 of expansion positioning pin can also be to be driven using motor with equivalence replacement
Dynamic, but counter structure will be complicated, the convenience of control will have and reduce to a certain degree, so expansion positioning pin can be preferentially using figure
Shown in pneumatic actuation.
The foregoing is merely some or certain preferred embodiments of the utility model, are not intended to limit the utility model
The scope of the patents, equivalent structure or equivalent transformation made by using the description of the utility model and the drawings, or directly or
It is used in other relevant technical fields indirectly, should all similarly include in the scope of patent protection of the utility model.In addition, with
The not most place of upper verbal description can also combine with the understanding of routine and the prior art with reference to the direct expression of figure and go to implement.
Claims (5)
1. a kind of expansion positioning pin, it is characterised in that: including positioning expansion sleeve, piston and end cap, wherein positioning expansion sleeve is upper
End has petaloid portion, and the petaloid portion has several valves closed up to center；The piston is set in positioning expansion sleeve；The end
It is covered on positioning expansion sleeve bottom；The positioning expansion sleeve is equipped with stomata；Increase the gas between piston and end cap by the stomata
Pressure, the petaloid portion that can push piston towards positioning expansion sleeve is mobile, and then the valve in petaloid portion is outwardly opened completion positioning.
2. expansion positioning pin according to claim 1, which is characterized in that the petaloid portion of the positioning expansion sleeve is from top to bottom
Equipped with the first tapered surface, vertical surface and the second tapered surface；Wherein, the first tapered surface is up-narrow and down-wide, for guiding petaloid portion to be inserted into
The location hole of workpiece to be positioned；Location hole of the vertical surface in petaloid portion for after piston expands with workpiece to be positioned offsets；The
The trans D of two tapered surfaces is greater than vertical surface, is used for workpiece support to be positioned after petaloid portion is inserted into location hole.
3. expansion positioning pin according to claim 1 or 2, which is characterized in that the piston upper end has to be expanded with positioning
The tapered portion that the petaloid portion of set matches, and the plug body part below tapered portion.
4. expansion positioning pin according to claim 3, which is characterized in that form envelope between the bottom and end cap of the piston
The cylinder space closed.
5. expansion positioning pin according to claim 4, which is characterized in that the stomata is set to positioning expansion sleeve and is located at cylinder
On the wall in space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821563786.8U CN209164282U (en) | 2018-09-26 | 2018-09-26 | A kind of expansion positioning pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821563786.8U CN209164282U (en) | 2018-09-26 | 2018-09-26 | A kind of expansion positioning pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209164282U true CN209164282U (en) | 2019-07-26 |
Family
ID=67332098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821563786.8U Active CN209164282U (en) | 2018-09-26 | 2018-09-26 | A kind of expansion positioning pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209164282U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207138A (en) * | 2020-03-16 | 2020-05-29 | 庞长青 | High-expansion-force anti-loosening expansion bolt |
| CN111779748A (en) * | 2020-07-18 | 2020-10-16 | 杨磊 | Reinforced punching-free expansion screw |
-
2018
- 2018-09-26 CN CN201821563786.8U patent/CN209164282U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207138A (en) * | 2020-03-16 | 2020-05-29 | 庞长青 | High-expansion-force anti-loosening expansion bolt |
| CN111207138B (en) * | 2020-03-16 | 2021-04-13 | 豪梅特紧固件系统(苏州)有限公司 | High-expansion-force anti-loosening expansion bolt |
| CN111779748A (en) * | 2020-07-18 | 2020-10-16 | 杨磊 | Reinforced punching-free expansion screw |
| CN111779748B (en) * | 2020-07-18 | 2022-05-03 | 佛山市南海众勤五金电器有限公司 | Reinforced punching-free expansion screw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210122 Address after: 523000 1st floor, No.22 zhongkeng Road, Jinlong Industrial Zone, Sanzhong village, Qingxi Town, Dongguan City, Guangdong Province Patentee after: Yukai Precision Mold Parts Co.,Ltd. Address before: 518110 a401, 4th floor, No.14, Xiawei Industrial Zone 1st Road, Guanlan xiahu community, Longhua New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN TAIPIN TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210922 Address after: 518000 workshop 302, No. 4, Hongxin Industrial Park, No. 1303, sightseeing Road, Xinlan community, Guanlan street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Ruiwai Technology Co.,Ltd. Address before: 523000 1st floor, No.22 zhongkeng Road, Jinlong Industrial Zone, Sanzhong village, Qingxi Town, Dongguan City, Guangdong Province Patentee before: Yukai Precision Mold Parts Co.,Ltd. |
|
| TR01 | Transfer of patent right |