CN202071024U - Round pin insertion type positioning device and tensioning positioning round pin thereof - Google Patents
Round pin insertion type positioning device and tensioning positioning round pin thereof Download PDFInfo
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- CN202071024U CN202071024U CN 201120045094 CN201120045094U CN202071024U CN 202071024 U CN202071024 U CN 202071024U CN 201120045094 CN201120045094 CN 201120045094 CN 201120045094 U CN201120045094 U CN 201120045094U CN 202071024 U CN202071024 U CN 202071024U
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- tensioning
- round pin
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- positioning
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- 230000037431 insertion Effects 0.000 title abstract 2
- 238000003780 insertion Methods 0.000 title abstract 2
- 238000009434 installation Methods 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 241000446313 Lamella Species 0.000 abstract 1
- 230000007812 deficiency Effects 0.000 description 6
- 230000008602 contraction Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012958 reprocessing Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a tensioning location round pin, tensioning location round pin has two at least round pin lamella that separate each other. The tensioning pin is folded, namely the tensioning pin is tightly contracted to be reduced, so that the positioning hole can be easily stretched into, then the tensioning pin is tightly combined with the positioning hole by expanding the pin flap of the tensioning pin, no gap is formed between the tensioning pin and the positioning hole, the positioning precision is improved, and the positioning precision and the stability of the clamp are ensured, so that the mounting precision of accessories such as a vehicle door hinge is ensured, the one-time mounting achievement rate of the vehicle door is improved, the production efficiency is improved, and the fluctuation of the product quality is reduced. The utility model also discloses a round pin bayonet positioner, round pin bayonet positioner includes: the tensioning and positioning round pin comprises at least two pin petals separated from each other, and a telescopic device which is fixedly connected with the root parts of the pin petals and enables the pin petals to move along the radial direction. The round pin insertion type positioning device can improve the installation precision of the vehicle door hinge and the one-time installation achievement rate of the vehicle door.
Description
Technical field
The utility model relates to a kind of tensioning location round pin.The utility model also relates to a kind of pin positioning device for use, relates in particular to a kind of round pin plug-in type positioner.
Background technology
In manufacturing industry, especially in the automobile making, the locating hole that uses alignment pin to insert vehicle body when accessories such as installation car door positions usually, and alignment pin is for deciding the round pin of diameter, alignment pin and locating hole are matched in clearance, and the alignment pin diameter is got 24.7mm when being 25mm as the locating hole diameter.The dimensional discrepancy of Chan Shenging will be delivered to accessory such as the body hinge of being installed therefrom, causes accessory installation accuracy deficiency, makes to cooperate fluctuation bigger, and online adjustment is difficulty comparatively, also needs line to reprocess sometimes outward.Directly plug when alignment pin cooperates with locating hole in addition, repeatedly use the back alignment pin to be worn, influence the quality of fit of itself and locating hole, and then the installation accuracy of accessory such as body hinge, making needs the secondary adjustment after the assembling of accessory such as car door, influences production efficiency.Usually remove anchor clamps when secondary is adjusted, needed the singlehanded position of regulating car door, the singlehanded bolt of regulating, difficulty is bigger.
The utility model content
At the prior art deficiency, the technical problems to be solved in the utility model provides a kind of tensioning location round pin that improves positioning accuracy and reduce the pin wearing and tearing.
The utility model also provides a kind of round pin plug-in type positioner that improves positioning accuracy and reduce the pin wearing and tearing simultaneously.
In order to overcome the prior art deficiency, the technical solution adopted in the utility model is: a kind of tensioning location round pin, described tensioning location round pin has at least two pin lobes separated from one another.
As improvement of the technical scheme, described tensioning location round pin has three pin lobes separated from one another.
As improvement of the technical scheme, the cross section of described pin lobe is fan-shaped or semi-circular.
As improvement of the technical scheme, the described central angle sum of lobe outside cambered surface of respectively selling is less than 360 °.
As improvement of the technical scheme, the described circumferential radian of respectively selling lobe is identical.
In order to overcome the technical deficiency of existing car door positioning fixture, the technical solution adopted in the utility model is: a kind of round pin plug-in type positioner, described round pin plug-in type positioner comprises: have the tensioning location round pin of at least two pin lobes separated from one another, the retractor device of fixedlying connected and described pin lobe is radially moved with the root of described pin lobe.
As improvement of the technical scheme, described tensioning location round pin has three pin lobes separated from one another.
As improvement of the technical scheme, the cross section of described pin lobe is fan-shaped or semi-circular.
As improvement of the technical scheme, described central angle sum of respectively selling lobe outside cambered surface is less than 360 °, described shape specification unanimity of respectively selling lobe.
As improvement of the technical scheme, described retractor device is the gas pawl.
The beneficial effects of the utility model are: it promptly is tension pin to be tightened diminish that the pin lobe of tension pin is closed up, thereby can easily stretch into locating hole, the pin lobe that opens tension pin then fits tension pin and locating hole, guaranteeing does not have the slit between tension pin and the locating hole, improve positioning accuracy, guarantee the positioning accuracy and the stability of anchor clamps, thereby guarantee the installation accuracy of accessories such as body hinge, reduce the adjustment of car door secondary, enhance productivity and reduce product quality and fluctuate.The disposable installation accuracy delivery rate of car door is brought up to more than 95% from 5%, improves the precision of four disposable installations effectively, alleviates working strength of workers and reprocesses cost, further enhances productivity.
The action that tension pin cooperates with locating hole is an opening and closing, substantially can not produce bad problems such as surface abrasion, prolonged the life cycle of alignment pin, and further guarantee the positioning accuracy of alignment pin, the probability that reduces the secondary adjustment and reprocess, improve production efficiency, guaranteed the stability of product quality.
Tension pin in the utility model also may be used on the weld jig at other position of vehicle body, improves the anchor clamps positioning accuracy, is that welding or other installation technology precision are improved, and has improved the quality of product, guarantees production efficiency of products.
Description of drawings
Fig. 1 is the structural representation of the embodiment of a kind of tensioning location round pin in the utility model.
Fig. 2 is the structural representation of a kind of embodiment of round pin plug-in type positioner in the utility model.
The specific embodiment
Below embodiment of the present utility model is specifically described.
As shown in Figure 1, a kind of tensioning of the utility model location round pin 10, described tensioning location round pin has at least two pin lobes 12 separated from one another.Tensioning location round pin 10 claims tension pin again, or claims alignment pin.The pin lobe 12 of tension pin closed up tension pin 10 is tightened diminish, the Outside Dimensions of tension pin 10 is then less than the diameter of locating hole, thereby can easily stretch in the locating hole, the pin lobe 12 that opens tension pin by drive unit closely cooperates tension pin and locating hole then, the Outside Dimensions of alignment pin 10 equals the diameter of locating hole at this moment, and guaranteeing does not have the slit between tension pin 10 and the locating hole, improves positioning accuracy, guarantee the positioning accuracy and the stability of anchor clamps, realize accurately location.Use this alignment pin 10 as accessory making positioning fixture, so that positioning fixture is auxiliary the installation accuracy that car door can increase substantially accessories such as body hinge is installed, thereby reduces the adjustment of car door secondary, enhance productivity and reduce product quality and fluctuate.The disposable installation accuracy delivery rate of car door is brought up to more than 95% from 5%, improves the precision of four (four car doors) disposable installations effectively, alleviates working strength of workers and reprocesses cost, further enhances productivity.
Wherein tension pin 10 can by a whole round bar by machined along its axially and radial cuts be a plurality of parts, various piece is called pin lobe 12.This several sections preferably size is consistent, the cross section unanimity.Has certain interval between the pin lobe, promptly cutting is to have excised certain thickness material, make when the cambered surface external cylindrical surface of respectively selling lobe when opening certain distance overlaps with the face of cylinder of former round bar, has certain interval between the pin lobe, can be thereby respectively sell lobe to moving axially contraction, formation is less than the volume size of former round bar, thereby can insert locating hole smoothly.Wherein round bar can be the rigid metal bar, as steel pole.This round bar one end preferably is provided with along its boss radially, and this boss can be used as root and connecting hole is set after cutting, and the device of being convenient to respectively sell the lobe hypertonic with control is connected.Each free end of selling lobe can be provided with the importing angle, makes alignment pin insert locating hole more smoothly, and this importing angle can be fillet or chamfering.
The action that tension pin 10 cooperates with locating hole is an opening and closing, do not plug the friction of process, therefore can not produce bad problems such as surface abrasion substantially, thereby prolonged tension pin 10 is the life cycle of alignment pin, and further guarantee the positioning accuracy of alignment pin, the probability that reduces the secondary adjustment and reprocess has improved production efficiency, guarantees the stability of product quality.
More preferably, described tensioning location round pin 10 has three pin lobes 12 separated from one another.Because three-point fix is accurately stable more, therefore tension pin 10 is divided into three parts independent of each other, drive each independent sector by retractor device and radially move, realize tensioning and contraction, thereby realize accurately location can when tightening up, stretch in the locating hole tensioning easily the time.Three pin lobes 12 can closely contact with locating hole during tensioning, avoid eccentric situation to occur fully, thereby further improve positioning accuracy.More preferably, a pin is cut into a plurality of parts along its radial direction, making pin have identical radius has and has the gap each other, thereby can realize opening and shrinking and then make its variable size.The cross section of so described pin lobe 12 is exactly fan-shaped or semi-circular, if original pin is a tubulose, the cross section of then selling lobe is exactly semi-circular.Each pin lobe 12 all has certain thickness and guarantees that it has enough intensity like this.More preferably, the described central angle sum of lobe 12 outside cambered surfaces of respectively selling is less than 360 °, thereby make the face of cylinder cambered surface of tension pin 10 when tension pin 10 is in tensioning state to form cooperation position (contact position), make that the location is more stable with locating hole near a week.At this moment, have enough gaps for its contraction between the pin lobe 12, shrink the back alignment pin and can extract locating hole easily.
More preferably, the described circumferential radian of respectively selling lobe 12 is identical, i.e. the shape specification unanimity of each pin lobe 12, thus each pin lobe 12 is stressed identical when tensioning, and each pin lobe 12 circumferentially evenly is equally spaced along alignment pin 10, guarantees locating accuracy.
As shown in Figure 2, cause the disposable low excessively present situation of delivery rate that car door is installed of finishing at the positioning accuracy deficiency that has the car door positioning fixture now, the invention also discloses a kind of round pin plug-in type positioner that is exclusively used in the body hinge sectional fixture, described round pin plug-in type positioner comprises: have the tensioning location round pin 10 of at least two pin lobes 12 separated from one another, the retractor device of fixedlying connected and described pin lobe 12 is radially moved with the root 15 of described pin lobe 12.
By retractor device the pin lobe 12 of tension pin is closed up and tension pin 10 to be tightened diminish, the Outside Dimensions of tension pin 10 is then less than the diameter of locating hole, thereby can easily stretch in the locating hole, the pin lobe 12 that opens tension pin 10 by drive unit closely cooperates tension pin and locating hole then, realizes accurately location.
Wherein round pin plug-in type positioner comprises tensioning location round pin 10, and it is identical that round pin is located in the structure of tensioning location round pin 10 and function thereof and the tensioning in the foregoing description, do not repeat them here.
More preferably, described tensioning location round pin 10 has three pin lobes 12 separated from one another.Because three-point fix is accurately stable more, therefore tension pin 10 is divided into three parts independent of each other, drive each independent sector by retractor device and radially move, realize tensioning and contraction, thereby realize accurately location can when tightening up, stretch in the locating hole tensioning easily the time.Three pin lobes 12 can closely contact with locating hole during tensioning, avoid eccentric situation to occur fully, thereby further improve positioning accuracy.
More preferably, a pin is cut into a plurality of parts along its radial direction, making pin have identical radius has and has the gap each other, thereby can realize opening and shrinking and then make its variable size.The cross section of so described pin lobe 12 is exactly fan-shaped or semi-circular, if original pin is a tubulose, the cross section of then selling lobe is exactly semi-circular.Each pin lobe 12 all has certain thickness and guarantees that it has enough intensity like this.
More preferably, the described central angle sum of lobe 12 outside cambered surfaces of respectively selling is less than 360 °, thereby make the face of cylinder cambered surface of tension pin 10 when tension pin 10 is in tensioning state to form cooperation position (contact position), make that the location is more stable with locating hole near a week.At this moment, have enough gaps for its contraction between the pin lobe 12, shrink the back alignment pin and can extract locating hole easily.
More preferably, described shape specification unanimity of respectively selling lobe 12, promptly the circumferential radian of each pin lobe 12 is identical, thus each pin lobe 12 is stressed identical when tensioning, and each pin lobe 12 circumferentially evenly is equally spaced along alignment pin 10, guarantees locating accuracy.
More preferably, described retractor device is a gas pawl 18.Gas pawl 18 is provided with the device of steering power transferring elements for the cylinder output, cylinder is output as axial driving force, the cooperation of the assembly by chute and slide block 19, and the flexible connection of slide block and cylinder axis, the axial power of cylinder is converted into radially power, orders about slide block 19 and do to move.Each pin lobe 12 is fixedlyed connected with slide block 19, under the effect of cylinder pin lobe 12 is carried out pneumatic tensioning, thereby the alignment pin 10 that inserts in the locating hole is expanded, and realizes accurately location.Use cylinder (gas pawl) as power source, its pressure has certain cushioning effect, thereby realization soft drive, the deformation of avoiding the profile of the too firm and influence pin of power or forming the alignment pin appearance influences positioning accuracy, also avoid the size of the excessive damage of pressure (expansion) locating hole, influence positioning accuracy.
This round pin plug-in type positioner also can be used for other anchor clamps, the welding or the sectional fixture that for example can be used for other position of vehicle body, improve the anchor clamps positioning accuracy, welding or other accessory installation technology precision are improved, avoid reprocessing and correcting process, thereby improve the quality of product, improve the disposable delivery rate that product is installed, guarantee production efficiency of products.
By locating round pin 10 with round pin plug-in type positioner in the utility model and tensioning is the positioning fixture that parts are made, can install body hinge and accurately locate, the installation accuracy that makes car door that the whole car door in back is installed reaches instructions for use, the fit dimension of car door and doorframe reaches designing requirement, avoids that alignment error between the car door that causes because of hinge installation accuracy deficiency and the doorframe is excessive can't close reprocessing of causing etc.
Above disclosed only is preferred embodiment of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (10)
1. a tensioning location round pin is characterized in that, described tensioning location round pin has at least two pin lobes separated from one another.
2. tensioning according to claim 1 location round pin is characterized in that: described tensioning location round pin has three pin lobes separated from one another.
3. tensioning according to claim 1 and 2 location round pin, it is characterized in that: the cross section of described pin lobe is fan-shaped or semi-circular.
4. tensioning according to claim 1 and 2 location round pin is characterized in that: the described central angle sum of lobe outside cambered surface of respectively selling is less than 360 °.
5. tensioning according to claim 1 and 2 location round pin is characterized in that: the described circumferential radian of respectively selling lobe is identical.
6. a round pin plug-in type positioner is characterized in that, described pin plug-in type positioner comprises:
Tensioning location round pin with at least two pin lobes separated from one another,
The retractor device of fixedlying connected and described pin lobe is radially moved with the root of described pin lobe.
7. round pin plug-in type positioner according to claim 6 is characterized in that: described tensioning location round pin has three pin lobes separated from one another.
8. according to claim 6 or 7 described round pin plug-in type positioners, it is characterized in that: the cross section of described pin lobe is fan-shaped or semi-circular.
9. according to claim 6 or 7 described round pin plug-in type positioners, it is characterized in that: described central angle sum of respectively selling lobe outside cambered surface is less than 360 °, described shape specification unanimity of respectively selling lobe.
10. round pin plug-in type positioner according to claim 6 is characterized in that: described retractor device is the gas pawl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120045094 CN202071024U (en) | 2011-02-23 | 2011-02-23 | Round pin insertion type positioning device and tensioning positioning round pin thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120045094 CN202071024U (en) | 2011-02-23 | 2011-02-23 | Round pin insertion type positioning device and tensioning positioning round pin thereof |
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| Publication Number | Publication Date |
|---|---|
| CN202071024U true CN202071024U (en) | 2011-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120045094 Expired - Fee Related CN202071024U (en) | 2011-02-23 | 2011-02-23 | Round pin insertion type positioning device and tensioning positioning round pin thereof |
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| Country | Link |
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| CN (1) | CN202071024U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121496A (en) * | 2011-02-23 | 2011-07-13 | 广汽本田汽车有限公司 | Round pin insertion type positioning device and tensioning positioning round pin thereof |
| CN103213086A (en) * | 2013-04-03 | 2013-07-24 | 苏州凯蒂亚半导体制造设备有限公司 | Quick assembling jig for magnet housing assembly |
| CN108381071A (en) * | 2018-03-07 | 2018-08-10 | 河南科技大学 | A kind of supplied materials strainer of circle plug spot welding device |
-
2011
- 2011-02-23 CN CN 201120045094 patent/CN202071024U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121496A (en) * | 2011-02-23 | 2011-07-13 | 广汽本田汽车有限公司 | Round pin insertion type positioning device and tensioning positioning round pin thereof |
| CN102121496B (en) * | 2011-02-23 | 2013-06-19 | 广汽本田汽车有限公司 | Round pin insertion type positioning device and tensioning positioning round pin thereof |
| CN103213086A (en) * | 2013-04-03 | 2013-07-24 | 苏州凯蒂亚半导体制造设备有限公司 | Quick assembling jig for magnet housing assembly |
| CN103213086B (en) * | 2013-04-03 | 2014-11-05 | 苏州凯蒂亚半导体制造设备有限公司 | Quick assembling jig for magnet housing assembly |
| CN108381071A (en) * | 2018-03-07 | 2018-08-10 | 河南科技大学 | A kind of supplied materials strainer of circle plug spot welding device |
| CN108381071B (en) * | 2018-03-07 | 2020-03-31 | 河南科技大学 | Incoming material tensioning mechanism of spot welding device with circular electrical plug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20140223 |