CN204053220U - A kind of nut projection welding servicing unit - Google Patents
A kind of nut projection welding servicing unit Download PDFInfo
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- CN204053220U CN204053220U CN201420458831.9U CN201420458831U CN204053220U CN 204053220 U CN204053220 U CN 204053220U CN 201420458831 U CN201420458831 U CN 201420458831U CN 204053220 U CN204053220 U CN 204053220U
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- support column
- projection welding
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- alignment pin
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Abstract
The utility model discloses a kind of nut projection welding servicing unit, coordinate electrode special welded nut and workpiece, it comprises: support column, supporting seat and alignment pin, supporting seat is arranged on an end of support column, electrode special is supported by supporting seat, alignment pin is arranged in supporting seat, and workpiece and nut are located by alignment pin; Supporting seat comprises flat board and supporting pile further, and supporting pile is provided with connecting hole, and support column connects supporting pile by connecting hole, and supporting pile is arranged on dull and stereotyped bottom, and the inner plane of electrode special contacts with dull and stereotyped end face.Compared with prior art, this nut projection welding servicing unit coordinates electrode special welded nut, facilitate the clamping of workpiece and nut, reduce electrode special and stretch out distortion, hoisting nut welding quality, extend electrode special service life, and by improving the alignment pin in device, being applicable to various different model nut is installed, saving replacing construction, improve projection welding efficiency, therefore its application prospect is very wide.
Description
Technical field
The utility model relates to projection welding device, specifically, relates to a kind of nut projection welding servicing unit.
Background technology
Projection welder adopts Pneumatic Pressure, and bearing leads, and its impulse stroke and auxiliary stroke can even regulation, and bottom electrode can carry out having level to regulate in the vertical direction, pressure stability between guarantee electrode.Its welding procedure is controlled automatically by microcomputer control cabinet, and have solder joint and control to be proficient in, the feature that Electrode following character is good, the multiple projection welding and the point that are widely used in the components of machine such as automobile fitting are burn-on.
The kind of projection welding is a lot, except plate projection welding, also have the projection welding of nut, screw class workpiece, wire rod intersects projection welding, tubing projection welding and the T-shaped projection welding of sheet material etc., meet the requirement of user's welding work pieces, match different electrode, mould, be widely used in the industrial departments such as automobile making, tractor manufacture and motorcycle manufacture.
Using the process of projection welder welded nut be: upper/lower electrode is separated, by Workpiece fixing side on the bottom electrode, what nut was placed in workpiece needs welding position, then starts projection welder and top electrode is declined fast form instantaneous short-circuit with bottom electrode Rapid contact by nut-welding on workpiece.
In auto parts and components nut projection welding, the top electrode that plane workpiece adopts usually and bottom electrode are all cylindrical electrodes; Workpiece for shape matching complexity then adopts the electrode special of customization.During cylindrical electrode welding, bottom electrode and workpiece and the location comparison between workpiece and nut are stablized, and deflection is less likely to occur in position, and thus quality is also more stable.And electrode special extension when welding deforms unavoidably due to the impact being subject to top electrode, cause like this in use electrode special welding process, the welding quality of nut does not reach standard.Nut welding quality is not up to standard is divided into two types: 1, form nut rosin joint, if nut comes off in installation process, difficulty can be increased to secondary welding, and if do not come off at installation process nut, and staff does not also find, a potential safety hazard can be formed; 2, perpendicularity problem, is subject to the nut be arranged on workpiece can be caused not ensure vertical workpiece during the blastic deformation of top electrode at electrode special, causes tilt nut to be welded on workpiece, impact workpiece.Therefore, in use electrode special welding process, need a kind of servicing unit badly and prevent electrode special to be out of shape, ensure the welding quality of nut.
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 nut projection welding servicing unit, this servicing unit coordinates electrode special welded nut to use, facilitate the clamping of workpiece and nut, that reduces electrode special stretches out distortion, promote the nut welding quality of electrode special, extend the service life of electrode special.
For realizing above-mentioned utility model object, the technical solution adopted in the utility model is as follows:
A kind of nut projection welding servicing unit, coordinate electrode special welded nut and workpiece, it comprises: support column, supporting seat and alignment pin, supporting seat is arranged on an end of support column, support electrode special by supporting seat, alignment pin is arranged in supporting seat, and workpiece and nut are located by alignment pin; Supporting seat comprises flat board and supporting pile further, and supporting pile is provided with connecting hole, and support column connects supporting pile by connecting hole, and supporting pile is arranged on dull and stereotyped bottom, and the inner plane of electrode special contacts with dull and stereotyped end face.
Preferably, flat board is provided with locating hole, and alignment pin is arranged in locating hole, and the degree of depth of locating hole is less than the length of alignment pin.
More preferably, during the flat support electrode special of supporting seat, electrode special is provided with electrode hole, and locating hole is communicated with the electrode hole on electrode special, and alignment pin is at locating hole inner position workpiece and nut.
Preferably, support column Height Adjustable, by regulating the height of support column, makes whole nut projection welding servicing unit coordinate the height of electrode special.
More preferably, support column comprises the first support column and the second support column, second support column is socketed in the first support column, first support column is connected with the connecting hole in supporting pile on supporting seat, first support column and the second support column are provided with screw thread, by the height regulating the relative altitude between the first support column and the second support column to change whole support column, thus whole nut projection welding servicing unit is made to coordinate the height of electrode special.
Another object of the utility model is to provide a kind of nut projection welding servicing unit, by improving alignment pin, makes this nut projection welding servicing unit be applicable to install the nut of various different model, saves and changes the alignment pin time, improves projection welding efficiency.
Preferably, alignment pin comprises 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 Workpiece fixing portion, and nut location division and Workpiece fixing portion link together, and nut location division is Rotary-table, nut is located by nut location division, and workpiece is located by Workpiece fixing portion.
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 in Workpiece fixing portion, 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, jacket wall forms through hole, and nut location division and Workpiece fixing portion are arranged on jacket wall, and the diameter of through hole is consistent with the diameter of bearing pin, 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, the alignment pin time is changed in such saving, improves 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.
Compared with prior art, the utility model provides a kind of nut projection welding servicing unit, this servicing unit coordinates electrode special welded nut to use, facilitate the clamping of workpiece and nut, that reduces electrode special stretches out distortion, promote the nut welding quality of electrode special, extend the service life of electrode special, and by improving the alignment pin in device, this nut projection welding servicing unit is made to be applicable to install the nut of various different model, save and change the alignment pin time, improve projection welding efficiency, therefore its application prospect is very wide.
Accompanying drawing explanation
The preferred embodiment stereogram of the nut projection welding servicing unit that Fig. 1 provides for the utility model;
The nut projection welding servicing unit that Fig. 2 provides for the utility model coordinates schematic diagram with electrode special;
The sectional view of alignment pin in the nut projection welding servicing unit 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. 1 to Fig. 3, for the preferred embodiment of a kind of nut projection welding servicing unit that the utility model provides, this nut projection welding servicing unit coordinates electrode special welded nut to use, facilitate the clamping of workpiece and nut, that reduces electrode special stretches out distortion, promote the nut welding quality of electrode special, extend the service life of electrode special.As shown in Figure 1 to Figure 3, this nut projection welding servicing unit comprises support column 10, supporting seat 20 and alignment pin 30, supporting seat 20 is arranged on an end of support column 10, electrode special is supported by supporting seat 20, alignment pin 30 is arranged in supporting seat 20, and workpiece and nut are positioned on electrode special by alignment pin 30.
Support column 10 Height Adjustable, by regulating the height of support column 10, makes whole nut projection welding servicing unit coordinate the height of electrode special.Support column 10 comprises the first support column 11 and the second support column 12, second support column 12 is socketed in the first support column 11, first support column 11 connecting support seat 20, first support column 11 and the second support column 12 are provided with screw thread, by the height regulating the relative altitude between the first support column 11 and the second support column 12 to change whole support column 10, thus whole nut projection welding servicing unit is made to coordinate the height of electrode special.
Supporting seat 20 is arranged on support column 10, supporting seat 20 comprises one dull and stereotyped 21 and one supporting pile 22 further, supporting pile 22 is provided with connecting hole 221, first support column 11 of support column 10 passes through the supporting pile 22 of connecting hole 221 connecting support seat 20, supporting pile 22 is arranged on the bottom of dull and stereotyped 21, and the inner plane of electrode special contacts with the end face of dull and stereotyped 21.Dull and stereotyped 21 are provided with locating hole 211, and alignment pin 30 is arranged in locating hole 211, and the degree of depth of locating hole 211 is less than the length of alignment pin 30, and when alignment pin 30 is in locating hole 211, locating hole 211 is stretched out in the end of alignment pin 30.When the flat board 21 of supporting seat 20 supports electrode special, electrode special is provided with electrode hole, and locating hole 211 is communicated with the electrode hole on electrode special, and alignment pin 30 is at locating hole 211 inner position workpiece and nut.
The nut of various different model is installed for making nut projection welding servicing unit be applicable to, save and change the alignment pin time, improve projection welding efficiency, improve by making structure to alignment pin 30, make whole nut projection welding servicing unit be applicable to install the nut of various different model.
The sectional view of alignment pin in the nut projection welding servicing unit that Fig. 3 provides for the utility model.As shown in Figure 3, alignment pin 30 comprises bearing pin 31 and multiple positioning sleeve 32, bearing pin 31 and each positioning sleeve 32 separately with the use of, positioning sleeve 32 is coaxially movably arranged on bearing pin 31, by converting positioning sleeve 32, make alignment pin 30 be applicable to the nut of various different model, save and change alignment pin 30 time, improve projection welding efficiency.
The length of bearing pin 31 is longer than the length of positioning sleeve 32, and when positioning sleeve 32 is coaxially movably arranged on bearing pin 31, positioning sleeve 32 is stretched out at the both ends of bearing pin 31.Bearing pin 31 comprises guide end 311, stiff end 312 and is connected the connecting axle 313 of guide end 311 and stiff end 312, the guide end 311 of bearing pin 31 is identical with connecting axle 313 diameter, the diameter of stiff end 312 is less than the diameter of connecting axle 313, positioning sleeve 32 is coaxially movably arranged on the connecting axle 313 of bearing pin 31, guide end 311 stretches out positioning sleeve 32, the installation of guide end 311 guiding nut, improves the coaxial precision that nut is installed, and reduces the wearing and tearing of positioning sleeve 20 simultaneously.
Each positioning sleeve 32 is divided into nut location division 321 and Workpiece fixing portion 322, and nut location division 321 and Workpiece fixing portion 322 link together, and nut location division 321 is Rotary-table, and nut is located by nut location division 321, and workpiece is located by Workpiece fixing portion 322.The minimum diameter of nut location division 321 is not less than the diameter of bearing pin 31, the maximum gauge of nut location division 321 is consistent with the diameter in Workpiece fixing portion 322, the nut installing model between minimum diameter and maximum gauge is applicable to by the diameter change of nut location division 321, alignment pin 30 is made to be applicable to the nut of model between the minimum diameter of nut location division 321 and maximum gauge like this, save and change the alignment pin time, improve projection welding efficiency.
Positioning sleeve 32 is coaxially movably arranged on the connecting axle 313 of bearing pin 31, and preferably adopt screw thread movable connection method, positioning sleeve 32 is movably arranged on connecting axle 313 by threaded coaxial.Positioning sleeve 32 comprises through hole 3201 and a jacket wall 3202, jacket wall 3202 forms through hole 3201, nut location division 321 and part location division 322 are arranged on jacket wall 3202, the diameter of through hole 3201 is consistent with the diameter of connecting axle 313 in bearing pin 31, the connecting axle 313 of through hole 3201 and bearing pin 31 is provided with screw thread, positioning sleeve 32 is connected on bearing pin 31 by through hole 3201 coaxial sleeve, like this when the nut location division 321 on a positioning sleeve 32 is not suitable for a kind of nut of model, the invariant position of bearing pin 31 is kept to change, positioning sleeve 32 can be changed at any time, to make positioning sleeve 32 top nut location division 321 change in size to be applicable to the nut of various model, improve the general rate of whole alignment pin 30, save and change alignment pin 30 time, improve projection welding efficiency.In each positioning sleeve 32, the size constancy of through hole 3201, keeps the applicable of each positioning sleeve 32 to be arranged on bearing pin 31 like this.
The use procedure of nut projection welding servicing unit is: regulate the relative altitude between the first support column 11 and the second support column 12 to change the height of whole support column 10, plane contact in the end face of supporting seat 20 middle plateform 21 and electrode special, locating hole 211 on dull and stereotyped 21 is corresponding with the electrode hole position on electrode special, bearing pin 31 in alignment pin 30 is arranged in locating hole 211, according to the size of the nut of welding, suitable positioning sleeve 32 is selected to be arranged on bearing pin 31, workpiece is located by the Workpiece fixing portion 322 on positioning sleeve 32, nut is located by nut location division 321.
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 (10)
1. a nut projection welding servicing unit, coordinate electrode special welded nut and workpiece, it is characterized in that, it comprises: support column, supporting seat and alignment pin, supporting seat is arranged on an end of support column, support electrode special by supporting seat, alignment pin is arranged in supporting seat, and workpiece and nut are located by alignment pin; Supporting seat comprises flat board and supporting pile further, and supporting pile is provided with connecting hole, and support column connects supporting pile by connecting hole, and supporting pile is arranged on dull and stereotyped bottom, and the inner plane of electrode special contacts with dull and stereotyped end face.
2. nut projection welding servicing unit according to claim 1, is characterized in that: flat board is provided with locating hole, and alignment pin is arranged in locating hole, and the degree of depth of locating hole is less than the length of alignment pin.
3. nut projection welding servicing unit according to claim 2, it is characterized in that: during the flat support electrode special of supporting seat, electrode special is provided with electrode hole, and locating hole is communicated with the electrode hole on electrode special, and alignment pin is at locating hole inner position workpiece and nut.
4. nut projection welding servicing unit according to claim 1, it is characterized in that: support column comprises the first support column and the second support column, second support column is socketed in the first support column, first support column is connected with the connecting hole in supporting pile on supporting seat, first support column and the second support column are provided with screw thread, by the height regulating the relative altitude between the first support column and the second support column to change whole support column.
5. nut projection welding servicing unit according to claim 3, it is characterized in that: alignment pin comprises 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 Workpiece fixing portion, and nut location division and Workpiece fixing portion link together, and nut location division is Rotary-table, nut is located by nut location division, and workpiece is located by Workpiece fixing portion.
6. nut projection welding servicing unit according to claim 5, is characterized in that: the minimum diameter of nut location division is not less than the diameter of bearing pin, and the maximum gauge of nut location division is consistent with the diameter in Workpiece fixing portion.
7. nut projection welding servicing unit according to claim 5, it is characterized in that: positioning sleeve comprises a through hole and a jacket wall, jacket wall forms through hole, nut location division and Workpiece fixing portion 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.
8. nut projection welding servicing unit according to claim 7, is characterized in that: the size constancy of through hole in each positioning sleeve.
9. nut projection welding servicing unit according to claim 5, is characterized in that: the length of bearing pin is longer than the length of positioning sleeve.
10. nut projection welding servicing unit according to claim 9, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458831.9U CN204053220U (en) | 2014-08-14 | 2014-08-14 | A kind of nut projection welding servicing unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458831.9U CN204053220U (en) | 2014-08-14 | 2014-08-14 | A kind of nut projection welding servicing unit |
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| Publication Number | Publication Date |
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| CN204053220U true CN204053220U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420458831.9U Active CN204053220U (en) | 2014-08-14 | 2014-08-14 | A kind of nut projection welding servicing unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581163A (en) * | 2018-06-28 | 2018-09-28 | 奇瑞汽车股份有限公司 | A kind of project-welding nut leakproof and positioning welding mechanism |
| CN114054922A (en) * | 2021-11-30 | 2022-02-18 | 重庆至信实业集团有限公司 | U-shaped nut plate welding and positioning device |
-
2014
- 2014-08-14 CN CN201420458831.9U patent/CN204053220U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581163A (en) * | 2018-06-28 | 2018-09-28 | 奇瑞汽车股份有限公司 | A kind of project-welding nut leakproof and positioning welding mechanism |
| CN108581163B (en) * | 2018-06-28 | 2020-05-08 | 奇瑞汽车股份有限公司 | Leak-proof and fixed-position welding mechanism for projection welding nut |
| CN114054922A (en) * | 2021-11-30 | 2022-02-18 | 重庆至信实业集团有限公司 | U-shaped nut plate welding and positioning device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 411101 Hunan province Xiangtan City 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. |