CN203018906U - Mechanical triggering control mode clamp for friction stir welding tool - Google Patents
Mechanical triggering control mode clamp for friction stir welding tool Download PDFInfo
- Publication number
- CN203018906U CN203018906U CN 201220721244 CN201220721244U CN203018906U CN 203018906 U CN203018906 U CN 203018906U CN 201220721244 CN201220721244 CN 201220721244 CN 201220721244 U CN201220721244 U CN 201220721244U CN 203018906 U CN203018906 U CN 203018906U
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- China
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- pressing plate
- limit switch
- friction stir
- stir welding
- plate cylinder
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Abstract
The utility model discloses a mechanical triggering control mode clamp for a friction stir welding tool. The clamp comprises a clamp base, a control unit, triggering elements, limiting switches and a plurality of pressing plates, wherein each pressing plate is connected with a pressing plate cylinder, each pressing plate cylinder is corresponding to at least one limiting switch and is controlled by the corresponding limiting switch, each limiting switch and the corresponding pressing plate cylinder are connected with the control unit, the triggering elements are matched with the limiting switches and are arranged on the welding head of the friction stir welding tool. The pressing plate cylinders are controlled by adopting the corresponding limiting switches and the corresponding triggering elements in a mechanical contact mode so as to eliminate the possibility of the error action of the cylinders, in the moving process of the welding head, the pressing plates can be automatically opened under the driving of the pressing plate cylinders when the welding head moves in front of the position of the welding head, and the pressing plate is reset to press a workpiece after the welding head passes through the position of the welding head. The whole clamp disclosed by the utility model is used for realizing the automatic control and is reliable in operation and low in cost.
Description
Technical field
The utility model is relevant with weld jig, specifically belongs to a kind of machinery for friction stir welding and triggers the control model fixture, is particularly useful for polygon weld seam, closed curve weld seam or irregularly shaped etc.
Background technology
Britain's institute of welding (TWI) has been invented friction stir welding (Friction Stir Welding is called for short FSW) in 1991, this is a kind of solid phase interconnection technique of innovation, and this derives from technology relatively is applicable to the welding of long straight weld in traditional friction welding (FW).Compare with traditional fusion welding method; agitating friction welding has that weld grain is tiny, smoke dust, without splash, pore-free, the gas that do not need protection when need not scolder, welding, the postwelding workpiece stress is little and be out of shape the advantages such as little, is particularly suitable for the welding of aluminium alloy.
friction stir welding is a kind of continuous solid phase connecting method of pure mechanization, as shown in Figure 1, in welding process, the soldering tip rotation of special shaft shoulder of cylindricality band and pin protruding (being stirring-head), stirring-head slowly inserts the place to be welded of welded piece, fricting shearing resistance between stirring-head and materials to be welded has produced frictional heat, make material softening generation plastic deformation, when soldering tip is activated when moving forward along interface to be welded, the material of thermoplastification is shifted to the rear portion by the front portion of stirring-head, and under the forging effect of the soldering tip shaft shoulder, realize that the solid phase between workpiece connects.
In the process of carrying out friction stir welding, workpiece need to compress with pressing plate, when the weld seam of workpiece is a polygon or closed curve or when irregularly shaped, take the rectangle weld seam as example, the square cross of one hollow is positioned at the outside of another square cross, the square cross of this hollow is called outer workpiece, and another square cross is called interior workpiece, and pressing plate need to stretch out and stride across weld seam from outer workpiece surrounding and be pressed in and be positioned on workpiece.When welding, what soldering tip was walked is the square track of a sealing like this, and pressing plate can block the operation of soldering tip in the soldering tip moving process, therefore needs the fixture that can automatically control.At present, the opening and closing of pressing plate are mainly controlled by the pressing plate cylinder, the pressing plate cylinder is realized controlling by photoelectric sensor, when stirring welding, soldering tip can produce the material that is extruded of strip, these are extruded material can cause interference to photoelectric sensor, and then causes the misoperation of pressing plate cylinder.
The utility model content
The machinery that technical problem to be solved in the utility model is to provide a kind of friction stir welding triggers the control model fixture, can eliminate the possibility that causes the misoperation of pressing plate cylinder, improves operational reliability, reduces costs.
For solving the problems of the technologies described above, the machinery of the friction stir welding that the utility model provides triggers the control model fixture, comprise clamp base, control module, trigger element, limit switch and a plurality of pressing plate, each pressing plate is connected with a pressing plate cylinder, each pressing plate cylinder is corresponding with at least one limit switch and controlled by corresponding limit switch, and described limit switch all is connected with control module with the pressing plate cylinder; Described trigger element and limit switch match to merge and are arranged on the soldering tip of friction stir welding.
Further, what described limit switch matched with trigger element is an elastic wire, and this elastic wire is across in welded joints, and its two ends lay respectively at the both sides of weld seam, and an end is fixed on limit switch, and the other end is free end.Described trigger element is for promoting the push rod of elastic wire bending, and its main shaft with soldering tip is coaxial.
Wherein, described control module is PLC.
Further, the limit switch corresponding with each pressing plate cylinder is positioned at the place ahead of the pressing plate that this pressing plate cylinder controls on the running orbit of soldering tip.
Wherein, described limit switch is one, perhaps arranged side by side two or more.
The utility model is controlled the pressing plate cylinder due to the limit switch that has adopted mechanical contact and trigger element, eliminated the possibility that causes the misoperation of pressing plate cylinder, in the moving process of soldering tip, pressing plate is opened under the drive of pressing plate cylinder before soldering tip runs to self-position automatically, and push down workpiece at soldering tip through resetting after self-position, whole fixture is realized automatically controlling and is reliable, cost.
Description of drawings
Fig. 1 is the principle schematic of friction stir welding;
Fig. 2 is the structural representation of fixture in the utility model;
Fig. 3 is the schematic diagram that coordinates of trigger element and limit switch in the utility model.
Wherein description of reference numerals is as follows:
1 limit switch 2 pressing plates
3 pressing plate cylinder 4 clamp base
5 soldering tip 6 trigger elements
7 elastic wires
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the utility model is described in further detail.
The machinery of the friction stir welding that the utility model provides triggers the control model fixture, as shown in Figure 2, comprise clamp base 4, control module (adopting in the present embodiment PLC), trigger element 6, limit switch 1 and six pressing plates 2, each pressing plate 2 is connected with a pressing plate cylinder 3, and each pressing plate cylinder 3 is corresponding with at least one limit switch 1 and controlled by corresponding limit switch 1.The limit switch 1 corresponding with each pressing plate cylinder 3 is positioned at the place ahead of the pressing plate 2 that this pressing plate cylinder 3 controls on the running orbit of soldering tip 5.In the present embodiment, in order to improve the contact reliability of trigger element 6 and limit switch 1, guarantee the accuracy that fixture is controlled automatically, each pressing plate 2 is front is equipped with two limit switches 1 side by side.Described limit switch 1 all is connected with control module with pressing plate cylinder 3.
In the present embodiment, as shown in Figure 3, what limit switch 1 matched with trigger element 6 is an elastic wire 7, and this elastic wire 7 is across in welded joints, and its two ends lay respectively at the both sides of weld seam, and an end is fixed on limit switch 1, and the other end is free end.Described trigger element 6 is for promoting the push rod of elastic wire 7 bendings, and it is arranged on the soldering tip 5 of friction stir welding and is coaxial with the main shaft of soldering tip 5.
need the inside and outside workpiece of welding to locate on clamp base 4, pressing plate cylinder 3 is controlled pressing plate 2 and is compressed interior workpiece, under the control of control module, soldering tip 5 drives trigger elements 6 and brings into operation take a place of weld seam as starting point, trigger element 6 promotes the elastic wire 7 of certain limit switch 1 and makes this elastic wire 7 bendings on running orbit, this limit switch 1 sends a signal to control module, described control module sends OPEN to the pressing plate cylinder 3 corresponding with this limit switch 1, described pressing plate cylinder 3 drives connected pressing plate 2 rotations and makes soldering tip 5 processes, trigger element 6 is through this limit switch 1, elastic wire 7 on this limit switch 1 restores to the original state, described limit switch 1 sends a signal to control module, described control module sends reset instruction to the pressing plate cylinder 3 corresponding with this limit switch 1, the described pressing plate cylinder 3 connected pressing plates 2 of drive reset and again push down interior workpiece, soldering tip 5 continues operation forward along weld seam, trigger element 6 is pushed the elastic wire 7 of residue limit switch 1 one by one open, the pressing plate cylinder 3 band dynamic pressure plates 2 corresponding with limit switch 1 rotate one by one and make soldering tip 5 processes, until soldering tip 5 is got back to described weld seam starting point, control module drives all pressing plate cylinder 3 band dynamic pressure plate 2 rotating opening and finishes welding process.Described pressing plate cylinder 3 receives that OPEN band dynamic pressure plate 2 after the first time-delay of setting rotates, and receives that reset instruction band dynamic pressure plate 2 after the second time-delay of setting resets, and described the first time-delay and the second time-delay are set by control module.
The utility model is controlled the pressing plate cylinder due to the limit switch that has adopted mechanical contact and trigger element, eliminated the possibility that causes the misoperation of pressing plate cylinder, in the moving process of soldering tip, pressing plate is opened under the drive of pressing plate cylinder before soldering tip runs to self-position automatically, and push down workpiece at soldering tip through resetting after self-position, whole fixture is realized automatically controlling and is reliable, cost.
Abovely by specific embodiment, the utility model is had been described in detail, this embodiment is only preferred embodiment of the present utility model, and it is not that the utility model is limited.In the situation that do not break away from the utility model principle, equivalent replacement and improvement that those skilled in the art makes the quantity of the quantity of pressing plate and distributing position, limit switch and position etc. all should be considered as in the technology category that the utility model is protected.
Claims (6)
1. the machinery of a friction stir welding triggers the control model fixture, it is characterized in that, comprise clamp base (4), control module, trigger element (6), limit switch (1) and a plurality of pressing plate (2), each pressing plate (2) is connected with a pressing plate cylinder (3), each pressing plate cylinder (3) is corresponding with at least one limit switch (1) and controlled by corresponding limit switch (1), and described limit switch (1) all is connected with control module with pressing plate cylinder (3); Described trigger element (6) matches to merge with limit switch (1) and is arranged on the soldering tip (5) of friction stir welding.
2. the machinery of friction stir welding according to claim 1 triggers the control model fixture, it is characterized in that, what described limit switch (1) matched with trigger element (6) is an elastic wire (7), this elastic wire (7) is across in welded joints, its two ends lay respectively at the both sides of weld seam, and an end is fixed on limit switch (1), and the other end is free end.
3. the machinery of friction stir welding according to claim 2 triggers the control model fixture, it is characterized in that, described trigger element (6) is for promoting the crooked push rod of elastic wire (7), and its main shaft with soldering tip (5) is coaxial.
4. the machinery of friction stir welding according to claim 1 triggers the control model fixture, it is characterized in that, described control module is PLC.
5. the machinery of friction stir welding according to claim 1 triggers the control model fixture, it is characterized in that, the limit switch (1) corresponding with each pressing plate cylinder (3) is positioned at the place ahead of the pressing plate (2) that this pressing plate cylinder (3) controls on the running orbit of soldering tip (5).
6. the machinery of friction stir welding according to claim 1 triggers the control model fixture, it is characterized in that, described limit switch is one, perhaps arranged side by side two or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220721244 CN203018906U (en) | 2012-12-24 | 2012-12-24 | Mechanical triggering control mode clamp for friction stir welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220721244 CN203018906U (en) | 2012-12-24 | 2012-12-24 | Mechanical triggering control mode clamp for friction stir welding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203018906U true CN203018906U (en) | 2013-06-26 |
Family
ID=48642920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220721244 Expired - Lifetime CN203018906U (en) | 2012-12-24 | 2012-12-24 | Mechanical triggering control mode clamp for friction stir welding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203018906U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042303A (en) * | 2012-12-24 | 2013-04-17 | 联合汽车电子有限公司 | Friction stir welding fixture in mechanical trigger control mode and method for controlling friction stir welding fixture |
| CN103753014A (en) * | 2014-01-02 | 2014-04-30 | 联合汽车电子有限公司 | Clamping device for friction stir welding |
-
2012
- 2012-12-24 CN CN 201220721244 patent/CN203018906U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042303A (en) * | 2012-12-24 | 2013-04-17 | 联合汽车电子有限公司 | Friction stir welding fixture in mechanical trigger control mode and method for controlling friction stir welding fixture |
| CN103042303B (en) * | 2012-12-24 | 2017-03-22 | 联合汽车电子有限公司 | Friction stir welding fixture in mechanical trigger control mode and method for controlling friction stir welding fixture |
| CN103753014A (en) * | 2014-01-02 | 2014-04-30 | 联合汽车电子有限公司 | Clamping device for friction stir welding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: DONGGUAN JINGMING HARDWARE TECHNOLOGY Co.,Ltd. Assignor: UNITED AUTOMOTIVE ELECTRONIC SYSTEMS Co.,Ltd. Contract record no.: 2014990000714 Denomination of utility model: Friction stir welding fixture in mechanical trigger control mode and method for controlling friction stir welding fixture Granted publication date: 20130626 License type: Common License Record date: 20140826 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130626 |
|
| CX01 | Expiry of patent term |