CN203621812U - Rotary positioning device - Google Patents
Rotary positioning device Download PDFInfo
- Publication number
- CN203621812U CN203621812U CN201320815884.7U CN201320815884U CN203621812U CN 203621812 U CN203621812 U CN 203621812U CN 201320815884 U CN201320815884 U CN 201320815884U CN 203621812 U CN203621812 U CN 203621812U
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- CN
- China
- Prior art keywords
- housing
- rotary positioning
- hole
- alignment pin
- spring
- 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 - Lifetime
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- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model provides a rotary positioning device. The rotary positioning device comprises a housing, a positioning pin, a spring and a rear cover. The front end of the housing is provided with a through hole, the dimension of which is 1.05 to 1.2 times as large as that of the cross section of the positioning pin. An internal thread is arranged in the inner wall at the tail end of the housing. The tail end of the positioning pin penetrates through the through hole and is movably fixed in the housing via a fixing part. The rear cover comprises a connecting part with a sealed end portion. An external thread matched with the internal thread is arranged on the outer wall of the connecting part. The spring is arranged in the housing along the axis of the housing and disposed between the fixing part and the connecting part. The distance from the end surface at the front end of the connecting piece to the end surface at the tail end of the fixing part is within the range from the minimum length to the maximum length of the spring. The rotary positioning device has following beneficial effects: concise in overall structure and low in production cost, the rotary positioning device is also capable of achieving to carry out rapid and accurate positioning operation to installing holes of blots and other products of workpieces and is conveniently used.
Description
Technical field
The utility model relates to panel beating industry field, especially, relates to a kind of rotary positioning apparatus.
Background technology
The welding of carrying out the parts such as double-screw bolt in current panel beating industry mainly contains two kinds of modes: (1) line location, and when this kind of mode used, exist and be difficult for fixing, easily produce deviation, be subject to external interference large, and cause the defects such as error; (2) adopt Template Location, this kind of method can guarantee the relative size of double-screw bolt, but deviation easily appears in the bad control of benchmark, affects the assembling at other positions, and need to, by means of template, increase cost, and template takes up room, and construction is inconvenient.
Therefore, inventing a kind of device tool that can make the Related products such as double-screw bolt carry out fast, accurately locate has very important significance.
Utility model content
The utility model object is to provide that structure is simplified, can be carried out fast products such as bolts, the accurate device of location, is applicable in the positioning process with products such as the double-screw bolts of through hole, and concrete technical scheme is as follows:
A kind of rotary positioning apparatus, comprises housing, alignment pin, spring and bonnet;
The front end of described housing is provided with through hole, and described through hole is of a size of 1.05-1.2 times of described alignment pin cross sectional dimensions; The inwall of its end is provided with internal thread, and its length is 2.0-5.0cm;
The end of described alignment pin is movably fixed in described housing by fixed part through described through hole;
Described bonnet comprises the connector of end part seal, and the outer wall of described connector is provided with the external screw thread matching with described internal thread, and its length is 2.0-5.0cm;
Described spring is arranged at its inside along the axis of described housing, and its one end connects described fixed part, the other end connects the end of described connector, the front end end face of described connector to the distance of the distal end faces of described fixed part in the minimum length of described spring between maximum length.
Preferred in above technical scheme, described through hole is of a size of 1.1 times of described alignment pin cross section.
Preferred in above technical scheme, the 0.8-0.95 of the through hole that the cross sectional dimensions of described alignment pin is product to be welded doubly.
Preferred in above technical scheme, the length of described internal thread is 3.0cm; Described externally threaded length is 3.0cm.
Preferred in above technical scheme, described alignment pin be taper shape foremost.
Preferred in above technical scheme, described housing and bonnet are stainless steel.
The utlity model has following beneficial effect:
(1) the utility model adopts the combination of housing, alignment pin, spring and bonnet, realize the installing hole of the products such as the bolt on workpiece is located quickly and accurately by alignment pin, and the elasticity that the cooperation of the internal thread by external screw thread on bonnet and enclosure interior has in conjunction with spring meets the pretension effect of playing after the demand of differing heights product and fixed point, device overall structure is simplified, easy to use.
(2) in the utility model, through hole is of a size of 1.1 times of described alignment pin cross section, makes the friction between alignment pin and through hole reduce to minimum, and has spacing very large skew, the good stability of can not occurring of through hole.
(3) 0.8-0.95 of the through hole that the cross sectional dimensions of alignment pin described in the utility model is product to be welded doubly, is suitable for the product of all size, and can realize location accurately.
(4) in the utility model, the length of internal thread is 3.0cm, and externally threaded length is 3.0cm, and it is can regulate well the length of alignment pin and play good pretension effect that internal thread is coordinated with external screw thread.
(5) in the utility model alignment pin be conical foremost, being convenient to this device can be well, position rapidly.
(6) the utility model middle shell and bonnet are stainless steel, good product quality, long service life.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the utility model preferred embodiment 1;
1-housing; 11-through hole; 12-internal thread; 2-alignment pin; 3-spring; 4-bonnet; 41-connector; 42-external screw thread; 5-fixed part.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can limit and cover according to claim is implemented.
Embodiment 1:
A kind of rotary positioning apparatus, comprises housing 1, alignment pin 2, spring 3 and bonnet 4, and overall structure is simplified.
The front end of described housing 1 is provided with through hole 11, described through hole 11 is of a size of 1.05-1.2 times of described alignment pin 2 cross sections, preferably 1.1 times, makes the friction between alignment pin and through hole reduce to minimum, and have the spacing alignment pin that makes of through hole that very large skew can not occur, positional accuracy is high.
The end of described alignment pin 2 is movably fixed in described housing 1 by fixed part 5 through described through hole 11; The cross sectional dimensions of described alignment pin 2 be product to be welded through hole 0.8-0.95 doubly, preferably 0.9 times, can realize accurately and locating.
The inwall of described housing 1 end is provided with internal thread 12, and its length L 1 is 2.0-5.0cm, preferably 3.0cm; Described bonnet 4 comprises the connector 41 of end part seal, and the outer wall of described connector 41 is provided with the external screw thread 42 matching with described internal thread 12, and its length L 2 is 2.0-5.0cm, preferably 3.0cm; Described spring 3 is arranged at its inside along the axis of described housing 1, and its one end connects described fixed part 5, the other end connects the end of described connector 41, the front end end face of described connector 41 to the distance L of the distal end faces of described fixed part 5 in the minimum length of described spring 3 between maximum length, the elasticity that the cooperation of the internal thread by external screw thread on bonnet and enclosure interior has in conjunction with spring meets the pretension effect of playing after the demand of differing heights product and fixed point, easy to use.
Be convenient to well, position rapidly, can be by described alignment pin 2 be designed to foremost taper shape or other shapes.
Described housing 1 and bonnet 4 can be selected stainless steel, good product quality, and long service life, also can select other different materials according to the actual requirements.
In use, detailed process is as follows for rotary positioning apparatus of the present utility model: (1) is enclosed within the products such as double-screw bolt to be welded the front end of alignment pin 2; (2) again the cone-shaped nose of alignment pin is aimed to reserved anchor point in sheet material; (3) rotation bonnet 4, makes the internal thread 12 of external screw thread 42 on connector 41 and housing 1 Compress Spring 3 that matches, and adjusts the length of housing 1 outside fix pin 2, is needing pad to carry out pretension the products such as double-screw bolt simultaneously; (4) carry out follow-up welding procedure.Whole device takes up room little, and practical very convenient, can realize simultaneously the products such as double-screw bolt fast, location accurately.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a rotary positioning apparatus, is characterized in that: comprise housing (1), alignment pin (2), spring (3) and bonnet (4);
The front end of described housing (1) is provided with through hole (11), and described through hole (11) is of a size of 1.05-1.2 times of described alignment pin (2) cross sectional dimensions, and the inwall of its end is provided with internal thread (12), and its length (L1) is 2.0-5.0cm;
The end of described alignment pin (2) is movably fixed in described housing (1) by fixed part (5) through described through hole (11);
Described bonnet (4) comprises the connector (41) of end part seal, and the outer wall of described connector (41) is provided with the external screw thread (42) matching with described internal thread (12), and its length (L2) is 2.0-5.0cm;
Described spring (3) is arranged at its inside along the axis of described housing (1), and its one end connects described fixed part (5), the other end connects the end of described connector (41), and the minimum length that the front end end face of described connector (41) is positioned at described spring (3) to the distance (L) of the distal end faces of described fixed part (5) is between maximum length.
2. rotary positioning apparatus according to claim 1, is characterized in that: described through hole (11) is of a size of 1.1 times of described alignment pin (2) cross section.
3. rotary positioning apparatus according to claim 1, is characterized in that: the 0.8-0.95 of the through hole that the cross sectional dimensions of described alignment pin (2) is product to be welded doubly.
4. rotary positioning apparatus according to claim 1, is characterized in that: the length (L1) of described internal thread (12) is 3.0cm; The length (L2) of described external screw thread (42) is 3.0cm.
5. rotary positioning apparatus according to claim 1, is characterized in that: described alignment pin (2) foremost for conical.
6. rotary positioning apparatus according to claim 1, is characterized in that: described housing (1) and bonnet (4) are stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320815884.7U CN203621812U (en) | 2013-12-11 | 2013-12-11 | Rotary positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320815884.7U CN203621812U (en) | 2013-12-11 | 2013-12-11 | Rotary positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203621812U true CN203621812U (en) | 2014-06-04 |
Family
ID=50808330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320815884.7U Expired - Lifetime CN203621812U (en) | 2013-12-11 | 2013-12-11 | Rotary positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203621812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583562A (en) * | 2016-02-29 | 2016-05-18 | 四川营山五四机械有限责任公司 | Quick movable positioning device for automobile part installing and welding |
-
2013
- 2013-12-11 CN CN201320815884.7U patent/CN203621812U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583562A (en) * | 2016-02-29 | 2016-05-18 | 四川营山五四机械有限责任公司 | Quick movable positioning device for automobile part installing and welding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |
|
| CX01 | Expiry of patent term |