CN205043342U - Differential circulative cooling biax shoulder stirring instrument - Google Patents
Differential circulative cooling biax shoulder stirring instrument Download PDFInfo
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- CN205043342U CN205043342U CN201520777986.3U CN201520777986U CN205043342U CN 205043342 U CN205043342 U CN 205043342U CN 201520777986 U CN201520777986 U CN 201520777986U CN 205043342 U CN205043342 U CN 205043342U
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- shaft shoulder
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- shoulder
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- biax
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Abstract
The utility model discloses a differential circulative cooling biax shoulder stirring instrument. The instrument includes biax shoulder shank -pin, goes up shaft shoulder outer cooling stator and lower shaft shoulder internal cooling pipe, down shaft shoulder internal cooling pipe alternates to biax shoulder stirring bottom from biax shoulder shank -pin top, go up shaft shoulder outer cooling stator through a transmission shaft hold with the biax shoulder shank -pin link to each other, it is connected with water circulating equipment respectively with lower shaft shoulder internal cooling pipe to go up shaft shoulder outer cooling stator. The utility model discloses a shaft shoulder outer cooling stator normal water circulative cooling was gone up to differential circulation biax shoulder stirring instrument through control respectively the velocity of flow and the velocity of flow of the copper pipe water -logging of shaft shoulder internal cooling down, it is calorifacient unbalanced effectively to solve down the thermal accumulative total of the shaft shoulder and the upper and lower shaft shoulder to it takes on the life of stirring instrument, effectual assurance welding quality effectively to prolong the biax.
Description
Technical field
Stirring tool used when the utility model relates to a kind of self-supporting friction stir welding, particularly relates to a kind of differential circulating cooling double-shaft shoulder stirring tool, belongs to agitating friction welding field.
Background technology
Friction stir welding belongs to novel Solid-phase welding technology, has been widely used in the syndeton of the alloy in lightweight such as aluminium alloy, magnesium alloy.Because of its inherent characteristics, when traditional single shaft shoulder agitating friction is welded in welding, its lower end need be provided with rigidity backing plate, and this not only greatly reduces the efficiency that comes into force, the production cost also improved, and the type of the welding point simultaneously also making friction stir welding be suitable for is limited.
Double-shaft shoulder friction stir welding is the new technique developed on single shaft shoulder friction stir welding basis, and the technology of this technology can make joint design simplify, and reduces materials'use amount, is conducive to realizing lightweight.This technology also helps and improves the quality stability of joint simultaneously, fundamentally avoids the weld defects such as lack of penetration, back Weak link.But the use of this technology is limited to the lack of uniformity of upper and lower shaft shoulder heat radiation, when welding, the lower shaft shoulder can produce " heat sink " phenomenon, greatly reduce the service life of stirring tool, and due to the heat that the upper and lower shaft shoulder is accumulative different, welding quality creates uncontrollable impact, greatly reduces the stability of friction stir welding welding quality.The methods such as traditional direct spray water or water smoke are difficult to the controlled control realizing temperature, and the liquid such as water and water smoke is difficult to effective recovery, affects the cleannes of welding surroundings.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of differential circulating cooling double-shaft shoulder stirring tool.
The utility model is achieved through the following technical solutions:
A kind of differential circulating cooling double-shaft shoulder stirring tool, comprise double-shaft shoulder mixing needle, also comprise the shaft shoulder and cool cooling duct in stator and the lower shaft shoulder outward, in the described lower shaft shoulder, cooling duct interts to double-shaft shoulder stirring bottom from double-shaft shoulder mixing needle top, the described upper shaft shoulder is cooled stator outward and is connected with described double-shaft shoulder mixing needle by a drive bearing, and the described upper shaft shoulder cools cooling duct in stator and the lower shaft shoulder outward and is connected to water circulating apparatus.
Described a kind of differential circulating cooling double-shaft shoulder stirring tool, the described upper shaft shoulder is cooled stator outward and is formed by laser weld by inner sleeve and outer sleeve, and the outer wall of described inner sleeve is the runner of helix shape.
Described a kind of differential circulating cooling double-shaft shoulder stirring tool, the described upper shaft shoulder is cooled stator outward and is also connected with double-shaft shoulder mixing needle with outer washer by inner washer.
Described a kind of differential circulating cooling double-shaft shoulder stirring tool, the described upper shaft shoulder cools outward on stator and is also provided with locking hole, and a locking nut penetrates described locking hole again through a compacting ring.
Described a kind of differential circulating cooling double-shaft shoulder stirring tool, described double-shaft shoulder mixing needle place is also provided with sealing ring.
Described a kind of differential circulating cooling double-shaft shoulder stirring tool, described double-shaft shoulder mixing needle is provided with and holds out against position, hole.
The beneficial effect that the utility model reaches:
Differential circulation double-shaft shoulder stirring tool of the present utility model cools flow velocity and the interior flow velocity cooling water in copper conduit of the lower shaft shoulder of water circulation cooling in stator outward by controlling the upper shaft shoulder respectively, effectively can solve the unbalanced of the accumulative and upper and lower shaft shoulder heat production of lower shaft shoulder heat, thus effectively extend the service life of double-shaft shoulder stirring tool, effectively ensure welding quality.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation that the upper shaft shoulder cools stator outward.
Fig. 3 is the structural representation that the upper shaft shoulder cools stator outward.
Fig. 4 is the structural representation of double-shaft shoulder mixing needle.
In figure: 1, double-shaft shoulder mixing needle, 11, hold out against position, hole, 2, the upper shaft shoulder cools stator outward, 21, inner sleeve, 22, outer sleeve, 23, locking hole, 3, cooling duct in the lower shaft shoulder, 4, drive bearing, 5, inner washer, 6, outer washer, 7, locking nut, 8, compacting ring.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
As shown in Figure 1, a kind of differential circulating cooling double-shaft shoulder stirring tool of the present utility model, comprise double-shaft shoulder mixing needle 1, also comprise the shaft shoulder and cool cooling duct 3 in stator 2 and the lower shaft shoulder outward, the described upper shaft shoulder is cooled stator 2 outward and is connected with described double-shaft shoulder mixing needle 1 by a drive bearing 4, and the described upper shaft shoulder cools cooling duct 3 in stator 2 and the lower shaft shoulder outward and is connected to water circulating apparatus (not shown).In the described lower shaft shoulder, cooling duct 3 is copper pipe, and described upper shaft shoulder cooling stator 2 is arranged on machine spindle (not shown); The copper conduit 3 of cooling is arranged on machine spindle (not shown) in the described lower shaft shoulder, under be inserted to the bottom at double-shaft shoulder mixing needle 1 center.
As shown in Figures 2 and 3, the described upper shaft shoulder is cooled stator 2 outward and is formed by laser weld by inner sleeve 21 and outer sleeve 22, the outer wall of described inner sleeve 21 is the runner of helix shape, the ending place distance upper and lower end face certain distance of the runner of helix shape, described outer cooling stator is arranged in machine spindle, and the water inlet and the delivery port that cool stator outside realize the adjustable cooling control of speed by external water circulating apparatus.
The described upper shaft shoulder is cooled stator 2 outward and is also connected with double-shaft shoulder mixing needle 1 with outer washer 6 by inner washer 5.
The described upper shaft shoulder cools outward on stator 2 and is also provided with locking hole 23, and a locking nut 7 penetrates described locking hole 23 again through a compacting ring 8.
As shown in Figure 4, position, hole 11 is held out against when double-shaft shoulder mixing needle 1 being processed with clamping, accommodating the length of end end by calculating the centre distance double-shaft shoulder mixing needle 1 holding out against position, hole 11, realizing being tightly connected of double-shaft shoulder mixing needle 1 and machine spindle (not shown).In the lower shaft shoulder, cooling duct 3 accesses water circulating apparatus by machine spindle center, and water circulating apparatus controls separately the flow velocity of cooling duct 3 inner cooling water in the lower shaft shoulder.In the lower shaft shoulder, cooling duct 3 is inserted into the bottom at double-shaft shoulder mixing needle 1 center, is provided with sealing ring (not shown) at the end face of double-shaft shoulder mixing needle 1 retaining part, realizes central seal cooling.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and distortion, these improve and distortion also should be considered as protection domain of the present utility model.
Claims (6)
1. a differential circulating cooling double-shaft shoulder stirring tool, comprise double-shaft shoulder mixing needle, it is characterized in that, also comprise the shaft shoulder and cool cooling duct in stator and the lower shaft shoulder outward, in the described lower shaft shoulder, cooling duct interts to double-shaft shoulder stirring bottom from double-shaft shoulder mixing needle top, the described upper shaft shoulder is cooled stator outward and is connected with described double-shaft shoulder mixing needle by a drive bearing, and the described upper shaft shoulder cools cooling duct in stator and the lower shaft shoulder outward and is connected to water circulating apparatus.
2. a kind of differential circulating cooling double-shaft shoulder stirring tool according to claim 1, it is characterized in that, the described upper shaft shoulder is cooled stator outward and is formed by laser weld by inner sleeve and outer sleeve, and the outer wall of described inner sleeve is the runner of helix shape.
3. a kind of differential circulating cooling double-shaft shoulder stirring tool according to claim 1, it is characterized in that, the described upper shaft shoulder is cooled stator outward and is also connected with double-shaft shoulder mixing needle with outer washer by inner washer.
4. a kind of differential circulating cooling double-shaft shoulder stirring tool according to claim 1, it is characterized in that, the described upper shaft shoulder cools outward on stator and is also provided with locking hole, and a locking nut penetrates described locking hole again through a compacting ring.
5. a kind of differential circulating cooling double-shaft shoulder stirring tool according to claim 1, it is characterized in that, described double-shaft shoulder mixing needle place is also provided with sealing ring.
6. a kind of differential circulating cooling double-shaft shoulder stirring tool according to claim 1, it is characterized in that, described double-shaft shoulder mixing needle is provided with and holds out against position, hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777986.3U CN205043342U (en) | 2015-10-09 | 2015-10-09 | Differential circulative cooling biax shoulder stirring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777986.3U CN205043342U (en) | 2015-10-09 | 2015-10-09 | Differential circulative cooling biax shoulder stirring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205043342U true CN205043342U (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520777986.3U Active CN205043342U (en) | 2015-10-09 | 2015-10-09 | Differential circulative cooling biax shoulder stirring instrument |
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| CN (1) | CN205043342U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689885A (en) * | 2016-04-14 | 2016-06-22 | 江苏科技大学 | Double-shaft-shoulder stir friction head water-cooling cooling device and stir friction welding device and method |
| CN108425956A (en) * | 2018-05-16 | 2018-08-21 | 嘉兴市乍浦杭湾重型机械有限公司 | A kind of birotor hydroelectric generator forging |
-
2015
- 2015-10-09 CN CN201520777986.3U patent/CN205043342U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689885A (en) * | 2016-04-14 | 2016-06-22 | 江苏科技大学 | Double-shaft-shoulder stir friction head water-cooling cooling device and stir friction welding device and method |
| CN105689885B (en) * | 2016-04-14 | 2017-11-17 | 江苏科技大学 | Double-shaft shoulder agitating friction head water-cooling heat radiating device, agitating friction welder and method |
| CN108425956A (en) * | 2018-05-16 | 2018-08-21 | 嘉兴市乍浦杭湾重型机械有限公司 | A kind of birotor hydroelectric generator forging |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |