CN1927518A - Controlling device of stirring friction welding friction head - Google Patents
Controlling device of stirring friction welding friction head Download PDFInfo
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- CN1927518A CN1927518A CN 200610042988 CN200610042988A CN1927518A CN 1927518 A CN1927518 A CN 1927518A CN 200610042988 CN200610042988 CN 200610042988 CN 200610042988 A CN200610042988 A CN 200610042988A CN 1927518 A CN1927518 A CN 1927518A
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- friction
- friction head
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Abstract
The invention relates to a friction head controller used in mixing friction welding, which can eliminate the key hole and avoid changing mixing needle. Wherein, it is formed by friction head automatic extending device, electric contactor and rotator coaxial keeping device; the lower end of transmission main axle 2 via the first key 1 is connected to the friction head element while its upper end via the second key 10 is connected to the transmission motor; the speed reducer 27 is fixed on the guide shoe 22 that moves up and down at the inner wall of hollow axle 30; the speed reducer 27 via coupler 33 is connected to the lead screw 19; the lead screw 19, fixed muffle, 18, mixing needle, 14, friction axle should 15 and axle should compressing plate 16 are mounted on the large fixed muffle 17; the inner surface of hollow axle 30 is mounted with conductive sliding plate 36 for powering the speed reducer 27; and the hollow axle 30 is mounted inside the large bearing base 31.
Description
Technical field
The present invention relates to the friction stir welding welder, specifically is the control device of the friction head of friction stir welding.
Background technology
The present invention is on existing agitating friction solder technology basis, at improving one's methods that unadjustable this shortcoming of the friction pin in the friction head commonly used proposes.Owing to the unadjustable friction stir welding that causes of friction pin in the friction head commonly used picks out now following inevitable shortcoming: the one, after finishing, welding can leave over a keyhole in the weld seam end, and conventional solution is exactly with other welding method soldering keyhole or add derivation plate elimination keyhole; The 2nd, when the workpiece of welding thickening degree, need change the mixing needle of different length.The adjustable friction head of the present invention's development is intended to eliminate the keyhole of weld seam tail end and solves the technical problem that friction stir welding connects variable cross-section thickness workpiece, permanent magnet DC motor is installed in the hollow shaft of rotation at a high speed simultaneously, and armature will obtain efficiently, galvanic current; The adjustable friction head comprises a plurality of pivoted members, and the assurance of the axiality of these pivoted members all is the technical barrier that needs solution.
Summary of the invention
The objective of the invention is to eliminate the keyhole that the stir friction welding seam end is left over, need not change the mixing needle of different length during the workpiece of welding thickening degree, keep the axiality of friction head pivoted member.
The present invention is a kind of controlling device of stirring friction welding friction head, by the automatic telescoping mechanism of friction head, electrically contacting coaxial maintaining body three parts of mechanism and pivoted member forms, the lower end of transmission main shaft 2 links to each other with friction head mechanism by first key 1, the upper end of transmission main shaft 2 links to each other with driving motor by second key 10, decelerator 27 is fixed on can be on the guide shoe 22 that hollow shaft 30 inwalls move up and down, decelerator 27 links to each other with leading screw 19 by shaft coupling 33, leading screw 19, fixed muffle 18, mixing needle 14, the friction shaft shoulder 15 and shaft shoulder pressing plate 16 are installed on the big fixed muffle 17, the inner surface of hollow shaft 30 is equipped with the conduction slide plate 36 that power supply is provided to decelerator 27, and hollow shaft 30 is installed in the big bearing block 31.
The brush 29 that electrically contacts in the mechanism of the present invention contacts with conducting slip ring 23, outside tube, lead to direct current in the tube by the hold-down screw on the conducting slip ring 23 through the conduction screw again, the direct current of coming from brush is through copper slip ring 39, contact screw 40, conductive filament is to 41, being subjected to electric screw 44 back arrival to send electric slide plate 45, the binding post of armature to receive is subjected on the electric reed 47.
The endoporus of hollow shaft 30 is the platform cone structure.
The invention has the beneficial effects as follows:
Utilize the automatic telescoping mechanism of friction head can eliminate the keyhole that weld seam does not hold mixing needle to leave over well, the technical barrier in the time of also can solving with friction stir welding welding variable cross-section thickness workpiece simultaneously well is particularly useful for the welding of circular weld; The Electical connector that adopts has been realized effective power transmission mode, guarantees to flow to armature from the electricity of the outer dc source output of the friction head of rotation at a high speed, makes permanent magnet DC motor stable operation, current path connection firm; The place that circuit is outer by reliable insulation, had both guaranteed safety, had prevented shunting again, had realized normal, the even running of system; The axiality maintaining body of the pivoted member that adopts has guaranteed the axiality of all pivoted members, has further improved to reverse end for end the axiality of main shaft and three phase alternating current motor main shaft, makes whole welding process more steady, can obtain the weld seam of outward appearance grace.
Description of drawings
Fig. 1 is a transmission main shaft component diagram of the present invention, and Reference numeral and corresponding name are called: first key 1, and transmission main shaft 2, the attaching nut 3, little bearing (ball) cover 4, bearing 5, septulum ring 6, big spacer ring 7, sealing ring 8, little axle sleeve 9, the second keys 10, bearing trim ring 11, connecting axle bearing block 12.
Fig. 2 a is the structure chart of the automatic telescoping mechanism of the present invention, and Reference numeral and corresponding name are called: adjusting nut 13, mixing needle 14, the friction shaft shoulder 15, shaft shoulder pressing plate 16, big fixed muffle 17, fixed muffle 18, leading screw 19, big abutment sleeve 20, bearing 21, guide shoe 22, collector ring 23, pin 24, sealing ring 25, connector 26, reductor 27, small sealing ring installing rack 28, brush 29, hollow shaft 30, big bearing block 31, big bearing (ball) cover 32, shaft coupling 33, large sealing packing ring pressing plate 34, key 35, Fig. 2 b are the side views of Fig. 2 a, Reference numeral and corresponding name are called: conduction slide plate 36, conduction slide plate 37.
Fig. 3 is an installation diagram of the present invention.
Fig. 4 is the structure chart that electrically contacts mechanism, Reference numeral and corresponding name are called: bakelite 38, copper slip ring 39, contact screw 40, conductive filament is to 41, silk is bakelite tube 42 externally, send electroplax insulating barrier 43, send electric slide plate to be subjected to electric screw 44, send electric slide plate 45, be subjected to electric reed bakelite 46, be subjected to electric reed 47.
Fig. 5 is the cutaway view of expression hollow shaft 30 structures.
Specific implementation
As shown in Figure 1, transmission main shaft 2 lower ends link to each other with automatic telescoping mechanism by key 1, transmission main shaft 2 upper ends link to each other with driving motor by key 10, the parts that transmission main shaft 2 is formed by little bearing (ball) cover 4, bearing 5, septulum ring 6, big spacer ring 7, sealing ring 8, little axle sleeve 9, bearing trim ring 11 link to each other with connecting axle bearing block 12, and connecting axle bearing block 12 utilizes pin and foundation bolt to be connected on the friction stir welding body.The effect of transmission main shaft mainly is to solve being connected between the power source of original friction stir welding machine and the adjustable friction head main shaft.
Shown in Fig. 2 a, b, reductor 27 is fixed on the guide shoe 22, reductor 27 links to each other with leading screw 19 by shaft coupling 33, leading screw 19, fixed muffle 18, mixing needle 14, the friction shaft shoulder 15 and shaft shoulder pressing plate 16 are installed on the big fixed muffle 17, above installation component is fixed on the hollow shaft 30, the inner surface of hollow shaft 30 is installed conduction slide plate 36, conduction slide plate 37, is used for providing power supply to reductor 27, and hollow shaft 30 is installed in the big bearing block 31.Big bearing block 31 utilizes pin 24 and foundation bolt to be connected on the friction stir welding body.When motor just changeed, motor moved downward along guide groove under the pulling of little leading screw together with decelerator, shaft joint, and the friction head mixing needle is slowly protruding; When motor reversed, motor moved upward along guide groove under the promotion of little leading screw together with decelerator, shaft joint, and the friction head mixing needle slowly back shrinks.
Figure 3 shows that installation diagram of the present invention.
As shown in Figure 4.The direct current of coming from brush 29 is through copper slip ring 39, contact screw 40, conductive filament is to 41, arrived by electric screw 44 backs and send electric slide plate 45, owing to be subjected to electric reed 47 to have enough intensity to make it and send between the electric slide plate 45 to flow through stable electric current, and the binding post of armature has extended to and has been subjected on the electric reed 47.
As shown in Figure 5, copper slip ring machining accuracy is higher, and the endoporus of hollow shaft 30 is the platform cone structure, and further raising can be reversed end for end the axiality of main shaft and three phase alternating current motor main shaft, makes whole welding process more steady.
Claims (3)
1, controlling device of stirring friction welding friction head, by the automatic telescoping mechanism of friction head, electrically contacting coaxial maintaining body three parts of mechanism and pivoted member forms, the lower end of transmission main shaft (2) links to each other with friction head mechanism by first key (1), the upper end of transmission main shaft (2) links to each other with driving motor by second key (10), it is characterized in that decelerator (27) is fixed on can be on the guide shoe (22) that hollow shaft (30) inwall moves up and down, decelerator (27) links to each other with leading screw (19) by shaft coupling (33), leading screw (19), fixed muffle (18), mixing needle (14), the friction shaft shoulder (15) and shaft shoulder pressing plate (16) are installed on the big fixed muffle (17), the inner surface of hollow shaft (30) is equipped with the conduction slide plate (36) that power supply is provided to decelerator (27), and hollow shaft (30) is installed in the big bearing block (31).
2, controlling device of stirring friction welding friction head according to claim 1, its brush (29) that electrically contacts in the mechanism contacts with conducting slip ring (23), outside tube, lead to direct current in the tube by the hold-down screw on the conducting slip ring (23) through the conduction screw again, the direct current that it is characterized in that coming from brush is through copper slip ring (39), contact screw (40), conductive filament is subjected to the arrival of electric screw (44) back to send electric slide plate (45), the binding post of armature to receive and is subjected on the electric reed (47) (41).
3, controlling device of stirring friction welding friction head according to claim 1, the endoporus that it is characterized in that hollow shaft (30) is the platform cone structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610042988 CN1927518A (en) | 2006-06-13 | 2006-06-13 | Controlling device of stirring friction welding friction head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610042988 CN1927518A (en) | 2006-06-13 | 2006-06-13 | Controlling device of stirring friction welding friction head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1927518A true CN1927518A (en) | 2007-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610042988 Pending CN1927518A (en) | 2006-06-13 | 2006-06-13 | Controlling device of stirring friction welding friction head |
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| Country | Link |
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| CN (1) | CN1927518A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319952A (en) * | 2011-06-14 | 2012-01-18 | 兰州理工大学 | Spot welding method and device for light alloy-steel key-free hole stirring friction |
| CN103071913A (en) * | 2013-01-04 | 2013-05-01 | 兰州理工大学 | Anti-blocking mechanism used for keyhole-less friction stir spot welding |
| CN104551378A (en) * | 2013-10-23 | 2015-04-29 | 上海航天设备制造总厂 | Dual-moving ring friction stir spot welder |
| CN105965152A (en) * | 2016-07-19 | 2016-09-28 | 北京工业大学 | Current-carrying stationary shoulder friction stir welding method and device for high-strength metal |
| CN106041292A (en) * | 2016-08-11 | 2016-10-26 | 北京工业大学 | Current-carrying stationary shoulder friction stir welding method driven by controlled current |
| CN107000115A (en) * | 2014-12-15 | 2017-08-01 | 川崎重工业株式会社 | Friction stir spot joining device and friction stir spot joint method |
| CN107107253A (en) * | 2014-10-23 | 2017-08-29 | 川崎重工业株式会社 | Friction stir spot joining device and friction stir spot joint method |
| CN110026674A (en) * | 2019-05-24 | 2019-07-19 | 宁夏吴忠市好运电焊机有限公司 | Friction welding apparatus for spot welding robot |
-
2006
- 2006-06-13 CN CN 200610042988 patent/CN1927518A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319952A (en) * | 2011-06-14 | 2012-01-18 | 兰州理工大学 | Spot welding method and device for light alloy-steel key-free hole stirring friction |
| CN103071913A (en) * | 2013-01-04 | 2013-05-01 | 兰州理工大学 | Anti-blocking mechanism used for keyhole-less friction stir spot welding |
| CN104551378A (en) * | 2013-10-23 | 2015-04-29 | 上海航天设备制造总厂 | Dual-moving ring friction stir spot welder |
| CN107107253A (en) * | 2014-10-23 | 2017-08-29 | 川崎重工业株式会社 | Friction stir spot joining device and friction stir spot joint method |
| CN107107253B (en) * | 2014-10-23 | 2019-07-09 | 川崎重工业株式会社 | Friction stir spot joining device and friction stir spot joint method |
| CN107000115A (en) * | 2014-12-15 | 2017-08-01 | 川崎重工业株式会社 | Friction stir spot joining device and friction stir spot joint method |
| CN105965152A (en) * | 2016-07-19 | 2016-09-28 | 北京工业大学 | Current-carrying stationary shoulder friction stir welding method and device for high-strength metal |
| CN106041292A (en) * | 2016-08-11 | 2016-10-26 | 北京工业大学 | Current-carrying stationary shoulder friction stir welding method driven by controlled current |
| CN110026674A (en) * | 2019-05-24 | 2019-07-19 | 宁夏吴忠市好运电焊机有限公司 | Friction welding apparatus for spot welding robot |
| CN110026674B (en) * | 2019-05-24 | 2023-12-26 | 宁夏吴忠市好运电焊机有限公司 | Friction welding device for spot welding robot |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |