CN204053217U - A kind of general project-welding nut alignment pin - Google Patents
A kind of general project-welding nut alignment pin Download PDFInfo
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- CN204053217U CN204053217U CN201420458864.3U CN201420458864U CN204053217U CN 204053217 U CN204053217 U CN 204053217U CN 201420458864 U CN201420458864 U CN 201420458864U CN 204053217 U CN204053217 U CN 204053217U
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- nut
- location division
- positioning sleeve
- alignment pin
- bearing pin
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Abstract
The utility model discloses a kind of general project-welding nut alignment pin, comprise: bearing pin and multiple positioning sleeve, bearing pin and each positioning sleeve separately with the use of, positioning sleeve is coaxially movably arranged on bearing pin, each positioning sleeve is divided into nut location division and part location division, and nut location division and part location division link together, and nut location division is Rotary-table, nut is located by nut location division, and part is located by part location division.Compared with prior art, in this general project-welding nut alignment pin, positioning sleeve is coaxially movably arranged on bearing pin, nut location division is Rotary-table, by changing the positioning sleeve in alignment pin, alignment pin is made to be applicable to the nut of various different model, improve general rate, save and change the alignment pin time, improve projection welding efficiency; This locating pin structure is simple, and positioning sleeve coaxial threaded is socketed on bearing pin, and its axiality improving nut and alignment pin is high, and production cost is low, increases economic efficiency, and therefore its application prospect is very wide.
Description
Technical field
The utility model relates to a kind of alignment pin, specifically, relates to a kind of general project-welding nut alignment pin, belongs to soldering cramping apparatus.
Background technology
Projection welding is mainly used in the stamping parts of welding low-carbon steel and low-alloy steel.The kind of projection welding is a lot, except plate projection welding, also has the projection welding of nut, screw class part, wire rod intersects projection welding, pipe projection welding and the T-shaped projection welding of sheet material etc.
When project-welding nut, the model of project-welding nut has kind more than 20, and each project-welding nut all needs the projection welding alignment pin auxiliary nut projection welding of respective model in projection welding process, and therefore the model of the corresponding project-welding nut of alignment pin is also have 20 Multiple Types.Be illustrated in figure 1 the shape of projection welding alignment pin of the prior art, its upper and lower is cylindrical, respectively setscrew nut and sheet material.Be welded station when carrying out project-welding nut to part, after the complete a kind of part of projection welding, due to different part corresponding needed for the nut model of projection welding different, alignment pin must be changed before different nut carries out projection welding, just the alignment pin changing corresponding model is needed to carry out projection welding operation when having changed nut like this, this Renewal process complex operation, and after changing new definition pin, also need correction parameter again, ensure the uniformity of projection welding parameter, to meet quality requirement, this was wasted in regard to the plenty of time changes on location, add production process, waste time and energy.In addition, the alignment pin outward appearance of often kind of model is all extremely similar, and when changing alignment pin, operating personnel easily misuse the situation of alignment pin, wastes so again the plenty of time and finds the alignment pin mated with nut model.
In prior art, multiple improvement is made to alignment pin, but there is various defect: 1, CN 2009101044063 provides a kind of positioner of welding projection welding stud on automobile component, it has a support body, this support body is provided with for connecting with the corresponding locating hole on automobile component the many covers set pin sleeve and alignment pin that position, this device only needs one-time positioning, just can carry out project-welding nut to multiple part, although need not positioner be changed, but the component of this device is many, have that manufacturing cost is high, dismounting and change trouble, use the shortcomings such as loaded down with trivial details.2, a kind of project-welding nut alignment pin that CN 2012202350951 provides, this project-welding nut alignment pin comprises nut positioning end and stamping parts positioning end, nut positioning end and stamping parts positioning end are global formation, nut positioning end is trapezoidal round platform, nut is when locating by alignment pin, nut positioning end directly stands the stamping press of nut, this nut positioning end is caused to be easy to occur crack conditions like this, reduction of service life, and nut positioning end is trapezoidal round platform, whole like this project-welding nut alignment pin can only be applicable to the nut installing model between trapezoidal round platform minimum diameter and maximum gauge, will be no longer applicable to the nut of other models.3, a kind of positioner for sheet metal nut projection welding that CN 201220673178 provides, it comprises alignment pin, this alignment pin is divided into head and pedestal, insulation sleeve, spring, the head of alignment pin is Rotary-table, the pedestal of insulation sleeve parcel alignment pin, spring fitting is in the bottom of the insulation sleeve of alignment pin base bottom, the head of its alignment pin and pedestal are an entirety, but alignment pin can only be applicable to the nut installing model between trapezoidal round platform minimum diameter and maximum gauge, will be no longer applicable to the nut of other sizes, therefore still need to change alignment pin constantly to adapt to the nut of different model, lose time on replacing location, add production process, waste time and energy.In sum, need a kind of alignment pin that can adapt to different model nut badly, save and change the alignment pin time, improve projection welding efficiency.
Utility model content
For the problems referred to above that prior art exists, the purpose of this utility model is to provide a kind of general project-welding nut alignment pin, making alignment pin be applicable to the nut of various different model, saving and changing the alignment pin time, improving projection welding efficiency by improving the structure of alignment pin.
For realizing above-mentioned utility model object, the technical solution adopted in the utility model is as follows:
A kind of general project-welding nut alignment pin, comprise: bearing pin and multiple positioning sleeve, bearing pin and each positioning sleeve separately with the use of, positioning sleeve is coaxially movably arranged on bearing pin, each positioning sleeve is divided into nut location division and part location division, and nut location division and part location division link together, and nut location division is Rotary-table, nut is located by nut location division, and part is located by part location division.
Preferably, the minimum diameter of nut location division is not less than the diameter of bearing pin, the maximum gauge of nut location division is consistent with the diameter of part location division, the nut installing model between minimum diameter and maximum gauge is applicable to by the diameter change of nut location division, alignment pin is made to be applicable to the nut of model between the minimum diameter of nut location division and maximum gauge like this, save and change the alignment pin time, improve projection welding efficiency.
Preferably, positioning sleeve comprises a through hole and a jacket wall, nut location division and part location division are arranged on jacket wall, the diameter of through hole is consistent with the diameter of bearing pin, and positioning sleeve is connected on bearing pin by through hole coaxial sleeve, like this when one locate the nut location division put be not suitable for a kind of nut of model time, positioning sleeve can be changed at any time, to make positioning sleeve top nut location division change in size to be applicable to the nut of various model, save like this and change the alignment pin time, improve projection welding efficiency.
More preferably, in each positioning sleeve, the size constancy of through hole, keeps the applicable of each positioning sleeve to be arranged on bearing pin like this.
More preferably, positioning sleeve coaxial threaded is arranged on bearing pin.
Preferably, the length of bearing pin is longer than the length of positioning sleeve.
More preferably, bearing pin comprises the connecting axle of guide end, stiff end and connection guide end and stiff end further, when positioning sleeve is coaxially movably arranged on bearing pin, guide end stretches out nut location division, by the installation of guide end guiding nut, improve the coaxial precision that nut is installed, reduce the wearing and tearing of nut location division simultaneously.
Preferably, bearing pin is provided with a baffle plate, and baffle plate is arranged on stiff end, by baffle plate to the installation site location of positioning sleeve on bearing pin.
More preferably, the diameter of baffle plate is not less than the diameter of part location division.
Compared with prior art, the utility model provides a kind of general project-welding nut alignment pin, in this alignment pin, positioning sleeve is coaxially movably arranged on bearing pin, nut location division is Rotary-table, by changing the positioning sleeve in alignment pin, makes the change in size of the nut location division in positioning sleeve, alignment pin is applicable to the nut of various different model, improve general rate, save and change the alignment pin time, improve projection welding efficiency; This locating pin structure is simple, and positioning sleeve coaxial threaded is socketed on bearing pin, and its axiality improving nut and alignment pin is high, and production cost is low, increases economic efficiency, and therefore its application prospect is very wide.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of project-welding nut alignment pin in prior art;
The schematic diagram of the general project-welding nut alignment pin preferred embodiment that Fig. 2 provides for the utility model;
The sectional view of the general project-welding nut alignment pin preferred embodiment that Fig. 3 provides for the utility model.
Detailed description of the invention
Do to illustrate in detail, intactly further to the utility model below in conjunction with embodiment and accompanying drawing.
Fig. 2 and Fig. 3, the preferred embodiment of the general project-welding nut alignment pin that the utility model provides.As shown in Figures 2 and 3, this general project-welding nut alignment pin comprises bearing pin 10 and multiple positioning sleeve 20, positioning sleeve 20 is coaxially movably arranged on bearing pin 10, bearing pin 10 and each positioning sleeve 20 separately with the use of, by converting positioning sleeve 20, make general project-welding nut alignment pin be applicable to the nut of various different model, save and change the alignment pin time, improve projection welding efficiency.
The length of bearing pin 10 is longer than the length of positioning sleeve 20, and when positioning sleeve 20 is coaxially movably arranged on bearing pin 10, positioning sleeve 20 is stretched out at the both ends of bearing pin 10.Bearing pin 10 comprises guide end 11, stiff end 12 and is connected the connecting axle 13 of guide end 11 and stiff end 12, the guide end 11 of bearing pin 10 is identical with connecting axle 13 diameter, the diameter of stiff end 12 is less than the diameter of connecting axle, positioning sleeve 20 is coaxially movably arranged on the connecting axle 13 of bearing pin 10, guide end 11 stretches out positioning sleeve 20, the installation of guide end 11 guiding nut, improves the coaxial precision that nut is installed, and reduces the wearing and tearing of positioning sleeve 20 simultaneously.Bearing pin 10 is provided with a baffle plate 14, and baffle plate 14 is arranged on stiff end 12, the installation site location of baffle plate 14 pairs of positioning sleeves 20 on the connecting axle 13 of bearing pin 10.
Positioning sleeve 20 is divided into nut location division 21 and part location division 22, and nut location division 21 and part location division 22 link together, and nut location division 21 is Rotary-table, and nut is located by nut location division 21, and part is located by part location division 22.The minimum diameter of nut location division 21 is not less than the diameter of connecting axle 13 in bearing pin 10, the maximum gauge of nut location division 21 is consistent with the diameter of part location division 22, by the diameter change of nut location division 21, the nut being in model between the minimum diameter of nut location division 21 and maximum gauge is installed, this alignment pin 10 is made to be applicable to the nut of model between the minimum diameter of nut location division 21 and maximum gauge like this, save and change the alignment pin time, improve projection welding efficiency.
Positioning sleeve 20 is coaxially movably arranged on the connecting axle 13 of bearing pin 10, and preferably adopt screw thread movable connection method, positioning sleeve 20 is movably arranged on connecting axle 13 by threaded coaxial.Positioning sleeve 20 comprises through hole 201 and a jacket wall 202, nut location division 21 and part location division 22 are arranged on jacket wall 202, the diameter of through hole 201 is consistent with the diameter of connecting axle 13 in bearing pin 10, the connecting axle 13 of through hole 201 and bearing pin 10 is provided with screw thread, positioning sleeve 20 is connected on bearing pin 10 by through hole 201 coaxial sleeve, like this when the nut location division 21 on a positioning sleeve 20 is not suitable for a kind of nut of model, bearing pin 10 is kept not convert, positioning sleeve 20 can be changed at any time, to make positioning sleeve 20 top nut location division 21 change in size to be applicable to the nut of various model, improve the general rate of whole alignment pin, save and change the alignment pin time, improve projection welding efficiency.In each positioning sleeve 20, the size constancy of through hole 201, keeps the applicable of each positioning sleeve 20 to be arranged on bearing pin 10 like this.
The process of this alignment pin is used to be: when keeping bearing pin 10 invariant position in alignment pin, foundation needs the model of the nut of projection welding, select the positioning sleeve 20 with the nut location division 21 that adapts, positioning sleeve 20 is coaxially movably arranged on the connecting axle 13 of bearing pin 10 by through hole 201, the location, position of the baffle plate 14 pairs of positioning sleeves 20 on bearing pin 10, part is arranged on the part location division 22 of positioning sleeve 20, and guide end 11 guiding nut on bearing pin 10 is arranged on the nut location division 21 of positioning sleeve 20.
Finally be necessary described herein: above embodiment is only for being described in more detail the technical solution of the utility model; can not be interpreted as the restriction to the utility model protection domain, some nonessential improvement that those skilled in the art makes according to foregoing of the present utility model and adjustment all belong to protection domain of the present utility model.
Claims (9)
1. a general project-welding nut alignment pin, it is characterized in that, comprise: bearing pin and multiple positioning sleeve, bearing pin and each positioning sleeve separately with the use of, positioning sleeve is coaxially movably arranged on bearing pin, and each positioning sleeve is divided into nut location division and part location division, nut location division and part location division link together, nut location division is Rotary-table, and nut is located by nut location division, and part is located by part location division.
2. general project-welding nut alignment pin according to claim 1, it is characterized in that: the minimum diameter of nut location division is not less than the diameter of bearing pin, the maximum gauge of nut location division is consistent with the diameter of part location division.
3. general project-welding nut alignment pin according to claim 1, it is characterized in that: positioning sleeve comprises a through hole and a jacket wall, nut location division and part location division are arranged on jacket wall, and the diameter of through hole is consistent with the diameter of bearing pin, and positioning sleeve is connected on bearing pin by through hole coaxial sleeve.
4. general project-welding nut alignment pin according to claim 3, is characterized in that: positioning sleeve coaxial threaded is arranged on bearing pin.
5. general project-welding nut alignment pin according to claim 3, is characterized in that: in each positioning sleeve, the size constancy of through hole.
6. general project-welding nut alignment pin according to claim 1, is characterized in that: the length of bearing pin is longer than the length of positioning sleeve.
7. general project-welding nut alignment pin according to claim 6, it is characterized in that: bearing pin comprises the connecting axle of guide end, stiff end and connection guide end and stiff end further, when positioning sleeve is coaxially movably arranged on bearing pin, guide end stretches out nut location division, by the installation of guide end guiding nut.
8. general project-welding nut alignment pin according to claim 7, is characterized in that: bearing pin is provided with a baffle plate, and baffle plate is arranged on stiff end, by baffle plate to the installation site location of positioning sleeve on bearing pin.
9. general project-welding nut alignment pin according to claim 8, is characterized in that: the diameter of baffle plate is not less than the diameter of part location division.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458864.3U CN204053217U (en) | 2014-08-14 | 2014-08-14 | A kind of general project-welding nut alignment pin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458864.3U CN204053217U (en) | 2014-08-14 | 2014-08-14 | A kind of general project-welding nut alignment pin |
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| CN204053217U true CN204053217U (en) | 2014-12-31 |
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| CN201420458864.3U Active CN204053217U (en) | 2014-08-14 | 2014-08-14 | A kind of general project-welding nut alignment pin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250852A (en) * | 2020-01-21 | 2020-06-09 | 江铃汽车股份有限公司 | Projection welding insulation positioning pin and manufacturing device and method thereof |
-
2014
- 2014-08-14 CN CN201420458864.3U patent/CN204053217U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250852A (en) * | 2020-01-21 | 2020-06-09 | 江铃汽车股份有限公司 | Projection welding insulation positioning pin and manufacturing device and method thereof |
| CN111250852B (en) * | 2020-01-21 | 2021-11-16 | 江铃汽车股份有限公司 | Projection welding insulation positioning pin and manufacturing device and method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 411101 Hunan province Xiangtan Jiuhua Economic Development Zone Minle Road No. 6 Patentee after: Xiangtan Tong Tong Automobile Products Co., Ltd. Address before: Geely road Minle road 411101 in Hunan province Xiangtan City Jiuhua Economic Development Zone Patentee before: Tao (Xiangtan) Co., Ltd. |