CN114985899A - Split type friction stir welding stirring head with quick replacement function - Google Patents
Split type friction stir welding stirring head with quick replacement function Download PDFInfo
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- CN114985899A CN114985899A CN202210584756.XA CN202210584756A CN114985899A CN 114985899 A CN114985899 A CN 114985899A CN 202210584756 A CN202210584756 A CN 202210584756A CN 114985899 A CN114985899 A CN 114985899A
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- 238000003756 stirring Methods 0.000 title claims abstract description 118
- 238000003466 welding Methods 0.000 title abstract description 39
- 230000005291 magnetic effect Effects 0.000 claims abstract description 44
- 238000000576 coating method Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 10
- 229910002065 alloy metal Inorganic materials 0.000 claims description 7
- 239000000696 magnetic material Substances 0.000 claims description 7
- 230000004323 axial length Effects 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 abstract 7
- 239000000463 material Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000007704 transition Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012636 effector Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
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- Engineering & Computer Science (AREA)
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
A split type friction stir welding stirring head with a quick replacement function is characterized in that a stirring head adaptive clamp handle is of a cylinder structure, the lower end face of the stirring head adaptive clamp handle is a threaded hole adaptive to an auxiliary base station, the upper portion of the stirring head adaptive auxiliary base station is of a D-shaped cross section structure, the diameters of the upper portion and the lower portion of the stirring head adaptive auxiliary base station are different, the upper portion of the stirring head adaptive auxiliary base station is a threaded hollow shaft matched with the clamp handle, a boss is matched with a stirring needle and a shaft shoulder simultaneously, and the lower end face of the stirring head adaptive auxiliary base station comprises a six-key rectangular spline groove and an embedded ring groove; the lower end surface of the base station contains an annular groove, a strong magnetic ring is embedded in the annular groove, and a shaft shoulder is fixed. The invention is more convenient for the rapid assembly and disassembly of the stirring head, saves the time cost, improves the universality of the stirring head and has better economy.
Description
Technical Field
The invention belongs to the technical field of friction stir welding, in particular to a stirring head technology, and particularly relates to a split type stirring head for friction stir welding with a quick replacement function.
Background
This background section information is disclosed only to enhance an understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
Friction stir welding is characterized in that a welding tool rotating at a high speed is utilized to rub with a workpiece to generate heat, materials are softened and are enabled to generate plastic flow and dynamic recrystallization, when the welding tool moves forwards along a welding surface, the plasticized materials flow from the front part to the rear part of the welding tool under the action of the rotating friction force of the welding tool, a compact solid-phase welding seam is formed under the extrusion of the welding tool, and then the welding of the workpiece is completed.
Among the prior art at present, extensively direct at the stirring head top with the lathe centre gripping cooperation, its lower part shaft shoulder and stirring needle participate in actual welding, and the centre is as the transition for the size overlength of stirring head along the axial direction leads to the fact the structure complicacy simultaneously, and processing difficulty, cost of manufacture promotes. When the shaft shoulder or the stirring pin is damaged, the whole stirring head needs to be replaced, unnecessary waste is caused, the welding production cost is increased, and the whole stirring head needs to be repeatedly positioned and adjusted in tool setting due to disassembly after replacement, so that the working efficiency is reduced.
The application number CN112935517A discloses a tool clamp and a clamping method of a split type stirring head for friction stir welding, wherein a short stirring head is fixedly connected in a stirring head clamp through a bolt by utilizing a hub hole at the bottom of a clamp cylinder body, so that the split type stirring head is realized.
The application number CN112222605A discloses a split friction stir welding stirring head, wherein a piston is controlled by an air pump to realize movement, and an arc-shaped clamping block is used for realizing convenient installation and disassembly of a stirring needle when abrasion of a connecting structure is solved after a bolt is loosened and loosened.
At present, only the separable replacement of a stirring pin is realized in the existing split type friction stir welding head technology, and a shaft shoulder which is seriously worn in the welding process has an immature split connection technology, so that unnecessary waste is still caused when the shaft shoulder is replaced, and the welding production cost is increased.
Disclosure of Invention
The invention aims to solve the problem that the easily damaged parts of the existing stirring head are inconvenient to replace, and provides a split stirring head for friction stir welding, which has a quick replacement function. Can realize the clamping and the fastening of stirring needle, shaft shoulder simultaneously, the design has supplementary base station to realize same anchor clamps simultaneously, to welding under the different processing environment, simplifies friction stir welding head's structure and processing cost to can realize convenient dismantlement, improve welding efficiency, reduction in production cost.
The technical scheme of the invention is as follows:
the utility model provides a split type stirring head with quick replacement function which characterized in that: the fixture comprises a fixture handle 1 and an auxiliary base station 3, wherein the fixture handle 1 is in threaded connection with the auxiliary base station 3, and a strong magnetic cylinder 2 is arranged in one end of an inner hole of the auxiliary base station 3, which is connected with the fixture handle 1; the lower terminal surface of supplementary base station 3 is equipped with the embedded annular of installation magnetic ring 4, and the other end of 3 holes of supplementary base station is equipped with the rectangle spline groove, and the rectangle spline groove communicates with each other with strong magnetic cylinder 2's mounting hole, and stirring needle 6 passes through integral key shaft clamping location and is in the rectangle spline groove in and by strong magnetic cylinder 2 attraction realization axial positioning, thin slice shaft shoulder 5 adsorbs the lower tip at supplementary base station 3 through the magnetic force of magnetic ring 4.
The threaded hole in the lower end surface of the clamp handle is connected with the external thread on the auxiliary base station through threads.
The counter bore in auxiliary base station upper portion is strong magnetism cylinder mounting hole, and its diameter is less than auxiliary base station lower part rectangle spline groove path.
The lower end face of the auxiliary base station comprises a spline groove and a ring groove, a hard alloy metal coating is sprayed on the inner surface of the spline groove, and the ring groove and the strong magnetic ring are in interference fit to fix the strong magnetic ring.
The stirring head comprises a stirring pin and a shaft shoulder.
Stirring needle upper portion is the integral key shaft, and lower part stirring needle head, the length of integral key shaft and the axial length ratio of stirring needle head are 4: 1.
the sheet metal shaft shoulder is independent of the stirring pin and is matched with the stirring pin through the spline groove.
The length of a spline shaft of the stirring pin 6 is the same as the sum of spline grooves in the auxiliary base station 3 and spline grooves of the thin sheet shaft shoulder 5, and hard alloy metal coatings are sprayed on the combined surfaces.
The stirring pin and the shaft shoulder are fixed on the inner end face and the surface of the auxiliary base station through the adsorption effect of the strong magnetic material.
The invention has the beneficial effects that:
according to the stirring head for friction stir welding, the stirring needle and the shaft shoulder are both arranged in a split structure, the design structure is reasonable, the processing is simple, the manufacturing is convenient, and the production cost of the stirring head and the shaft shoulder can be reduced. The stirring head, the clamp and the shaft shoulder are connected in a forming mode, the spline shaft is good in transition fit centering and reliable in positioning, the connecting end of the stirring needle is provided with the fillet transition, and meanwhile, the joint of the spline shaft is sprayed with the hard alloy coating, so that large torque can be transmitted. Meanwhile, the stirring needle and the shaft shoulder are fixed in a mode of collision, absorption and adsorption with the permanent magnetic material, the assembling and disassembling operation is simple, compared with the traditional integral stirring head or the stirring head in threaded connection with a bolt, the stirring head is more convenient to assemble and disassemble, the time cost is further saved, meanwhile, the auxiliary base station can be changed and adapted according to different processing conditions, and the universality of the whole kit is improved. And it is mainly changed for independent stirring needle and can use repeatedly for a long time that this set of stirring head external member, reduces the stirring head cost of manufacture, improves the material rate of utilization, and it is serious to use different welding stirring heads and shaft shoulder to the welding of different materials simultaneously, and economic income is high.
Drawings
FIG. 1 is an exploded view of the stirring head and clamp of the present invention.
Fig. 2 is a partial cross-sectional view of fig. 1.
FIG. 3 shows a view of the structure of the grip handle.
Fig. 4 is a view showing the structure of the auxiliary base.
FIG. 5 is a view showing the construction of the pin and the shoulder of the slice.
Wherein: 1. the fixture comprises a fixture handle, 11, a machine tool threaded hole, 12, a radiating groove, 13, an auxiliary base station threaded hole, 2, a strong magnetic cylinder, 3, an auxiliary base station, 31, a connecting external thread, 32, a strong magnetic cylinder mounting hole, 33, a rectangular spline groove, 34, a ring groove 4, a strong magnetic ring, 5, a thin sheet shaft shoulder, 6, a stirring pin, 61, a spline shaft, 62 and a transition fillet.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in fig. 1-5.
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that all terms used herein are merely descriptive of specific embodiments and are not intended to limit exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and it should be further understood that when the term "comprising" and/or "includes" is used in this specification, it indicates the presence of the features, steps, operations, devices, components and/or combinations thereof.
The utility model provides a split type friction stir welding of quick replacement function uses stirring head, includes clamping anchor clamps external member, stirring processing external member.
The clamping fixture external member comprises a fixture handle 1, an auxiliary base station 3, a strong magnetic cylinder 2 and a strong magnetic ring 5; the internal thread hole of the clamp handle 1 is in threaded connection with the external connecting thread 31 outside the auxiliary base station 3; the auxiliary base station 3 is internally provided with a strong magnetic cylinder mounting hole 32 for clamping the strong magnetic cylinder 2, and the lower end surface of the auxiliary base station is provided with a ring groove embedded strong magnetic ring 5, as shown in figure 1.
Stirring head processing external member includes stirring needle 6, thin slice shaft shoulder 5, 6 upper portions of stirring needle are 6 key rectangle integral key shafts 61, integral key shaft 61 surface spraying carbide metal coating, and the lower part is the processing stirring syringe needle, and wherein upper and lower part length proportion is 4: 1, preventing the stirring pin from being broken out due to the advancing resistance in the advancing process of welding, and transiting the joint of the upper part and the lower part by a fillet 62 to improve the torsional strength so as to realize normal work at the main shaft rotating speed of 1000-3000 rpm; the thin sheet shaft shoulder 5 is internally provided with a rectangular spline groove, and the inner surface of the spline groove is sprayed with a hard alloy metal coating; as shown in fig. 5.
On the first hand, the function of clamping and fixing the fixture set is realized;
the upper part of the clamp handle 1 is provided with a threaded hole 11 which can be in threaded connection with a machine tool machining spindle, the outer surface of the lower part of the clamp handle is provided with a heat dissipation groove 12 to prevent a welding tool from being overheated, and meanwhile, the clamp handle is internally provided with a threaded counter bore which is in threaded connection with the upper part of the auxiliary base station 3, as shown in figure 3.
The outer surface of the upper part of the auxiliary base station 3 is provided with a connecting external thread 31, the same-diameter strong magnetic cylinder 2 is arranged in the auxiliary base station for a counter bore, the thread and the clamp handle 1 are screwed to the bottom and then the strong magnetic cylinder 2 is clamped, and clamping of the strong magnetic cylinder 2 is realized.
The lower part of the auxiliary base station 3 is internally provided with a 6-key rectangular key groove 33 (as shown in figure 4), the rectangular key groove 33 is communicated with a counter bore at the upper part, the small diameter of the rectangular key groove 33 is larger than the diameter of the counter bore, and the inner surface of the key groove is sprayed with a hard alloy metal coating to improve the surface strength.
The end face of the lower part of the auxiliary base station 3 is provided with an annular groove 34, and the main functions of the annular groove are that the ferromagnetic ring 5 is embedded in the annular groove and the ferromagnetic ring 5 is fixedly clamped, as shown in fig. 2 and 4.
In the second aspect, the function of the stirring head processing kit is realized;
the length of the upper part of the stirring pin 6 accounts for 80%, the stirring pin is a six-key rectangular spline main shaft, and a hard alloy metal coating is sprayed on the surface of the spline, so that the connection strength is improved; the lower part is a stirring needle head which integrally enters a welding line during welding processing.
The thin sheet shaft shoulder 5 is matched with the upper part of the stirring needle 6 through a shaft shoulder internal spline groove, the stirring needle 6 is matched with a spline groove on the lower end face of the auxiliary base station through a spline shaft for clamping and positioning, and a strong magnetic cylinder is arranged through an internal counter bore on the upper part of the auxiliary base station for collision and absorption and is fixed on the internal end face of the spline groove of the auxiliary base station; wherein the shaft shoulder laminating is fixed a position through spline cooperation with supplementary base station lower surface, through embedded strong magnetic ring fixed at the lower surface.
Aiming at the characteristics of the stirring head suitable for the invention, the following components are matched:
on the first hand, the clamping and fixing clamp kit comprises a clamp handle 1, an auxiliary base station 3, a strong magnetic cylinder 2 and a strong magnetic ring 5. In order to ensure the resistance to downward pressure and forward resistance in the welding process, the welding machine is fixedly connected with the end effector through threads and a machine tool.
In the implementation mode of the invention, in order to meet the processing parameter conditions of 30-60mm/min of forward speed and 1000-rpm of main shaft rotation speed, the replacement frequency of the auxiliary base station is far less than that of the stirring needle and the shaft shoulder, namely the influence of abrasion caused by multiple screwing on a processing device is not considered, namely the auxiliary base station is in threaded connection with the clamp handle.
In the embodiment of the invention, the diameter of the non-full-circle section at the upper part of the clamp handle is smaller than the diameter of the lower half;
in the embodiment of the invention, the upper half area and the lower half area of the clamp handle structure are connected and arranged into steps, and the cross section of each step is circular;
in the embodiment of the invention, the axial length of the threaded and unthreaded inner hole of the clamp handle accounts for 5: 1; the roughness Ra of the clamping plane is less than 3.2 mu m;
in the implementation mode of the invention, the ratio of the axial length of the thread-free part of the outer surface of the upper part of the auxiliary base station to the inner hole of the clamp handle is the same, the diameter of the counter bore of the upper part of the auxiliary base station is smaller than the small diameter of the spline groove of the lower end face, and the diameter of the strong magnetic cylinder is the same.
In the implementation mode of the invention, the inner hole at the upper part of the auxiliary base station is provided with the strong magnetic cylinder, the counter bore is communicated with the spline groove, the diameter of the counter bore is smaller than the small diameter of the key groove, the strong magnetic cylinder is clamped and positioned at the junction of the inner hole groove of the base station, and the strong magnetic cylinder is fixed in the mounting hole after the auxiliary base station and the clamp handle are screwed.
In the embodiment of the invention, the lower end surface of the auxiliary base station comprises the ring groove, and the strong magnetic ring is arranged in an interference fit mode. Meanwhile, the strong magnetic cylinder and the strong magnetic ring are made of neodymium iron boron strong magnetic material.
In a second aspect, a tool kit for a tool head includes a pin and a shoulder of a wafer. Wherein the stirring pin and the shaft shoulder are fixed on the auxiliary base station through the collision and absorption of the strong magnetic cylinder and the strong magnetic ring, and the processing conditions adapted to materials with different thicknesses can be realized by replacing the auxiliary base station.
In the embodiment of the invention, the stirring pin is divided into a 6-key rectangular spline shaft part and a welding material needle part; the axial length ratio is 4: 1, normal work at the main shaft rotating speed of 1000-3000rpm is realized, and extrusion of the stirring needle is prevented.
In the embodiment of the invention, the thickness of the sheet shaft shoulder is matched with the length of a spline shaft and the length of an inner spline groove of an auxiliary base station, wherein the sum of the axial lengths of the spline groove of the sheet shaft shoulder and the spline groove of the base station is equal to the length of the spline shaft, and NiCr-Cr is sprayed on the spline connection contact surface 3 C 2 The composite coating is formed by coating a composite coating,the torsional strength is improved, and the processing is stable.
In the embodiment of the invention, the stirring pin spline shaft and the spline groove part matched with the stirring pin spline shaft only need to be processed according to GB/T1144-2001, and the shaft shoulder is separated from the stirring pin in the processing process, so that the damage to the shaft shoulder caused by misoperation of workers in the processing process is avoided;
in the embodiment of the invention, the lower cylindrical column body is a stirring needle head, and the junction of the upper part and the lower part is a 0.5-1mm round angle, so that the torsional strength is increased;
in the embodiment of the invention, the materials of the stirring pin and the sheet shaft shoulder are all common H13 die steel.
In the embodiment of the invention, the stirring pin and the shaft shoulder are positioned through the spline shaft, and the stirring pin is magnetically connected through the strong magnetic material and is collided and attracted at the joint. And the strong magnetic material is fixed on the auxiliary base station, namely, the damaged stirring pin or shaft shoulder can be easily and conveniently taken out after the stirring pin or shaft shoulder is worn and loses efficacy. The function of changing the stirring head quickly and conveniently is realized.
Example 1.
As shown in fig. 1, a clamp handle 1 is connected with a machine tool spindle, the lower end of the clamp handle 1 is connected with an auxiliary base station 3 through threads, a strong magnetic cylinder 2 is clamped in a hole of the auxiliary base station 3, a strong magnetic ring 4 is embedded in the lower end face of the auxiliary base station 3, a stirring pin 6, a thin sheet shaft shoulder 5 and the auxiliary base station 3 are mutually positioned through a spline shaft 61 on the upper part of the stirring pin 6, and a stirring head 6 is fixed through the strong magnetic cylinder 2 and the strong magnetic ring 4 and connected with the thin sheet shaft shoulder 5, wherein the arch height of a D-shaped section of the clamp handle is 20 mm; the upper part is axially 38mm high; the external diameter of the lower part is 30mm, the axial height of the step shaft is 3mm, the axial height of the lower part is 35mm, and the diameter of the threaded hole of the lower part is 25 mm. The diameter of a counter bore in the auxiliary base station 3 is 10mm, the axial height of the strong magnetic cylinder 2 is 20mm, and the specification of the rectangular spline groove at the lower part of the auxiliary base station 3 refers to GB/T1144-2001: 6 multiplied by 11 multiplied by 14 multiplied by 3, the spline grooves of the shaft shoulder and the spline shafts of the stirring pin have the same specifications.
After the clamp handle 1 and the auxiliary base station 3 are clamped, the stirring pin 6 and the sheet shaft shoulder can be collided and sucked on the auxiliary base station 3 to process the welding of the same aluminum alloy material, the welding seam track is a non-closed curve, the stirring pin at the end of processing is separated from a workpiece through a leading-out plate or a non-stop feeding mode, and the stirring pin is not separated from the workpiece in a direct lifting mode.
After the stirring pin 6 or the thin sheet shaft shoulder 5 is worn out and loses efficacy, the mechanical force of the stirring pin 6 or the thin sheet shaft shoulder 5 can be acted to break away from the adsorption effect of the magnetic material, a new tool is replaced, quick and convenient replacement is realized, and compared with the traditional bolt connection, the quick and convenient replacement device is free of rotary closing abrasion, and meanwhile, the replacement speed is quick and convenient.
When workpiece materials with different thicknesses are processed, the auxiliary base station 3 needs to be replaced, and tools can be replaced at any time under the condition that the clamp handle 1 does not depart from a machine tool by using the auxiliary base station 3 with different specifications, the stirring needle 6 and the sheet shaft shoulder 5, so that welding processing in different working environments can be realized.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.
The present invention is not concerned with parts which are the same as or can be implemented using prior art techniques.
Claims (9)
1. The utility model provides a split type stirring head with quick replacement function which characterized in that: the clamp comprises a clamp handle (1) and an auxiliary base station (3), wherein the clamp handle (1) is in threaded connection with the auxiliary base station (3), and a strong magnetic cylinder (2) is arranged in one end of the auxiliary base station (3) where an inner hole is connected with the clamp handle (1); the lower terminal surface of supplementary base station (3) is equipped with the embedded annular of installation magnetic ring (4) by force, and the other end of supplementary base station (3) hole is equipped with the rectangle spline groove, and the rectangle spline groove communicates with each other with the mounting hole of strong magnetism cylinder (2), and stirring needle (6) are fixed a position through the integral key shaft clamping the rectangle spline groove in and by strong magnetism cylinder (2) attraction realization axial positioning, thin slice shaft shoulder (5) adsorb the lower tip at supplementary base station (3) through the magnetic force of magnetic ring by force (4).
2. The split mixing head of claim 1, wherein: the threaded hole in the lower end surface of the clamp handle is connected with the external thread on the auxiliary base station through threads.
3. The split mixing head of claim 1, wherein: the counter bore in auxiliary base station upper portion is strong magnetism cylinder mounting hole, and its diameter is less than auxiliary base station lower part rectangle spline groove path.
4. The split mixing head of claim 1, wherein: the lower end face of the auxiliary base station comprises a spline groove and a ring groove, a hard alloy metal coating is sprayed on the inner surface of the spline groove, and the ring groove and the strong magnetic ring are in interference fit to fix the strong magnetic ring.
5. The split mixing head of claim 1, wherein: the stirring head comprises a stirring pin and a shaft shoulder.
6. The split mixing head of claim 5, wherein: stirring needle upper portion is the integral key shaft, and lower part stirring needle head, the length of integral key shaft and the axial length ratio of stirring needle head are 4: 1.
7. the split mixing head of claim 5, wherein: the thin plate shaft shoulder is independent of the stirring pin and is matched with the stirring pin through the spline groove.
8. The split mixing head of claim 5, wherein: the length of the spline shaft of the stirring pin (6) is the same as the sum of the spline grooves in the auxiliary base station (3) and the spline grooves of the thin sheet shaft shoulder (5), and hard alloy metal coatings are sprayed on the bonding surfaces.
9. The split mixing head of claim 5 wherein: the stirring pin and the shaft shoulder are fixed on the inner end surface and the surface of the auxiliary base station through the adsorption effect of the strong magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210584756.XA CN114985899A (en) | 2022-05-26 | 2022-05-26 | Split type friction stir welding stirring head with quick replacement function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210584756.XA CN114985899A (en) | 2022-05-26 | 2022-05-26 | Split type friction stir welding stirring head with quick replacement function |
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| CN114985899A true CN114985899A (en) | 2022-09-02 |
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| CN202210584756.XA Pending CN114985899A (en) | 2022-05-26 | 2022-05-26 | Split type friction stir welding stirring head with quick replacement function |
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| JP2008036664A (en) * | 2006-08-03 | 2008-02-21 | Nippon Sharyo Seizo Kaisha Ltd | Friction stirring and joining tool |
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| CN214350238U (en) * | 2020-12-30 | 2021-10-08 | 河北泰利振特科技有限公司 | Friction stir welding cutter |
| CN214602494U (en) * | 2020-12-30 | 2021-11-05 | 昆山哈工万洲焊接研究院有限公司 | Static shaft shoulder quick-change device and welding equipment |
| CN215510775U (en) * | 2021-08-30 | 2022-01-14 | 浙江拓进五金工具有限公司 | Replaceable magnetic screwdriver head joint and magnetic seat replacing tool thereof |
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Application publication date: 20220902 |