CN216264021U - Static shaft shoulder friction stir welding stirring head clamping of high reliability robot is equipped - Google Patents
Static shaft shoulder friction stir welding stirring head clamping of high reliability robot is equipped Download PDFInfo
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- CN216264021U CN216264021U CN202122734476.6U CN202122734476U CN216264021U CN 216264021 U CN216264021 U CN 216264021U CN 202122734476 U CN202122734476 U CN 202122734476U CN 216264021 U CN216264021 U CN 216264021U
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- knife
- stirring head
- robot
- shaft shoulder
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Abstract
The utility model belongs to the technical field of stirring head clamping equipment, and particularly relates to high-reliability stirring head clamping equipment for static shaft shoulder friction stir welding of a robot; the equipment can effectively reduce the phenomenon of heat concentration in the using process; this equipment includes handle of a knife sleeve, handle of a knife and stirring head, and handle of a knife clamping is on the main shaft of robot, and the outside at the handle of a knife is installed to the handle of a knife sleeve, and fixed connection can be dismantled on the static shell of main shaft of robot to the handle of a knife sleeve, and the stirring head is installed on the handle of a knife, its characterized in that: a gap is formed between the knife handle sleeve and the side part of the knife handle, the stirring head is arranged on the knife handle through a customized flat key, and an inner hexagonal flat end fastening screw for tightly pushing the stirring head is arranged on the knife handle; the stirring tool further comprises a compression nut and a static shaft shoulder, wherein the static shaft shoulder is installed at the lower end of the tool shank sleeve through the compression nut and is used for keeping the axes of the stirring head and the tool shank to be collinear.
Description
Technical Field
The utility model belongs to the technical field of stirring head clamping equipment, and particularly relates to high-reliability stirring head clamping equipment for friction stir welding of a static shaft shoulder of a robot.
Background
Friction Stir Welding (FSW) is a solid phase Welding technique, and the tool used for Welding is called a Stir head, which generally consists of a shaft shoulder and a Stir pin; static Shoulder Friction Stir Welding (SSFSW) is to separately process a stirring head Shoulder (hereinafter called static Shoulder) and a central stirring head (hereinafter called stirring head) on the basis of conventional Friction Stir Welding, wherein during Welding, the static Shoulder does not rotate, only the stirring head rotates, the Shoulder plays a role in compression, the thinning amount of the static Shoulder Friction Stir Welding is small, and the surface quality of a Welding seam is higher; the robot static shaft shoulder friction stir welding is a novel friction stir welding manufacturing mode which applies an industrial robot to conventional static shaft shoulder friction stir welding, can greatly improve the automation level and achieve high-quality, multi-station and flexible manufacturing; the stirring head and the robot main shaft need to be clamped together to ensure coaxial rotation, a tool handle which is used for connecting the robot main shaft and the stirring head is generally called as a tool handle, a threaded hole is formed in the side edge of the tool handle, a hexagon socket fastening screw is used for clamping the stirring head, the positioning surface of the stirring head is tightly attached to the end surface of the tool handle after clamping, a clamping handle of the stirring head extends into a matching hole of the tool handle, and the clamping handle is tightly pressed through the fastening screw; during welding, the end face of the cutter handle is subjected to creep deformation and abrasion due to the action of heat and force on the stirring head, and the cutter handle is recessed; in addition, the clamping handle of the stirring head is tightly pressed by the fastening screw at any time, so that stress concentration at the clamping handle is caused, and fatigue fracture is easy to occur.
SUMMERY OF THE UTILITY MODEL
In view of the above, the technical problem to be solved by the utility model is to provide a high-reliability clamping device for a static shaft shoulder friction stir welding stirring head of a robot, which can effectively reduce the phenomenon of heat concentration in the use process.
The utility model provides high-reliability clamping equipment for a static shaft shoulder friction stir welding stirring head of a robot, which comprises a tool handle sleeve, a tool handle and a stirring head, wherein the tool handle is clamped on a main shaft of the robot, the tool handle sleeve is arranged on the outer side of the tool handle, the tool handle sleeve is detachably and fixedly connected to a static shell of the main shaft of the robot, and the stirring head is arranged on the tool handle, and is characterized in that: a gap is formed between the knife handle sleeve and the side part of the knife handle, the stirring head is installed on the knife handle through a customized flat key, and an inner hexagonal flat end fastening screw used for tightly pushing the stirring head is installed on the knife handle.
The stirring tool further comprises a compression nut and a static shaft shoulder, wherein the static shaft shoulder is installed at the lower end of the tool shank sleeve through the compression nut and is used for keeping the axes of the stirring head and the tool shank to be collinear.
Drawings
The utility model is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a cross-sectional view of the whole of the apparatus provided by the present invention;
FIG. 2 is an exploded perspective view of the assembly of the present invention;
FIG. 3 is a schematic structural view of a stationary shoulder provided in the present invention;
FIG. 4 is a schematic view of the structure of a tool holder provided by the present invention;
FIG. 5 is a schematic structural diagram of a stirring head provided by the present invention;
FIG. 6 is a schematic view of a tool holder sleeve according to the present invention.
In the figure:
a compression nut 1;
a stationary shoulder 2;
a knife handle sleeve 3;
a thread groove I31;
a knife handle 4;
a key slot I41;
a thread groove II 42;
a stirring head 5;
a key groove II 51;
a custom flat key 6;
a briquetting 7;
the flat end of the inner hexagon is tightly provided with a set screw 8.
Detailed Description
The clamping equipment for the static shaft shoulder friction stir welding stirring head of the robot provided by the utility model is described in detail by combining the attached drawings in the embodiment of the utility model.
Examples of the present invention are illustrated with reference to FIGS. 1-2:
the utility model provides a static shaft shoulder Friction Stir Welding (FSW) stirring head clamping of high reliability robot is equipped, includes handle of a knife sleeve 3, handle of a knife 4 and stirring head 5, and 4 clamping of handle of a knife are on the main shaft of robot, and handle of a knife sleeve 3 installs in the outside of handle of a knife 4, and fixed connection can be dismantled on the static shell of main shaft of robot to handle of a knife sleeve 3, and stirring head 5 installs on handle of a knife 4, its characterized in that: a gap is formed between the side parts of the tool handle sleeve 3 and the tool handle 4, the stirring head 5 is installed on the tool handle 4 through the customized flat key 6, and the tool handle 4 is provided with an inner hexagonal flat end fastening screw 8 for tightly pushing the stirring head 5.
The stirring head 5 and the customized flat key 6 are matched and arranged in the tool shank 4, then the tool shank is locked by the internal hexagonal flat end fastening screw 8, the customized flat key 6 can be used for positioning and transmitting torque, then the tool shank is clamped to a robot spindle (rotating), and then the tool shank sleeve 3 is clamped to a robot spindle shell (static);
in the prior art, a screw penetrating through one side of a cutter handle 4 is arranged on the side part of the cutter handle 4, and the cutter handle 4 and a stirring head 5 are tightly jacked by the screw, so that the problem of fatigue fracture is easily caused by stress concentration at the jacking position;
in the application, the stirring head 5 is arranged on the cutter handle 4 through the customized flat key 6, and by the design, the force acting on the stirring head during welding can be reasonably dispersed on the cutter handle, the phenomenon of heat concentration in the use process can be effectively reduced, the service life of the cutter handle can be greatly prolonged, and the stability of welding equipment in engineering application is further improved;
furthermore, the installation position of the customized flat key 6 is arranged at a cooler position at the rear end of the cutter handle 4, so that the heat dissipation effect is improved when the device is used, and the heat conduction position of the customized flat key 6 is far away from the processing position of the stirring head 5;
the bottom end of the stirring head 5 is provided with a conical stirring pin with right-handed screw threads.
Examples of the present invention are illustrated with reference to FIGS. 1-2:
the utility model provides a static shaft shoulder Friction Stir Welding (FSW) stirring head clamping of high reliability robot is equipped, still includes gland nut 1 and static shaft shoulder 2, static shaft shoulder 2 is installed through gland nut 1 to the lower extreme of handle of a knife sleeve 3, and this static shaft shoulder 2 is used for keeping the axis collineation of stirring head 5 and handle of a knife 4.
The stationary shoulder 2 can improve the co-linear retention of the virtual axes of the tool shank 4 and the pin 5.
The embodiment of the present invention will be explained with reference to fig. 4 and 6:
and a thread groove I31 in threaded connection with the compression nut 1 is formed in the tool holder sleeve 3.
And a thread groove II 42 in threaded connection with the inner hexagonal flat-end fastening screw 8 is formed in the tool shank 4.
Examples of the present invention are illustrated with reference to fig. 1-3:
and a discharging and heat dissipating through hole is formed in the static shaft shoulder 2.
The discharging heat dissipation through holes can play a role in facilitating discharging;
further, the discharging heat dissipation through holes can improve the heat dissipation effect.
And weight reduction grooves are symmetrically arranged on two sides of the static shaft shoulder 2.
Due to the design of the weight reduction grooves, the discharging effect can be improved;
further, the weight reduction groove in the stationary shoulder 2 shown in fig. 3 can reduce the overall weight of the equipment while maintaining a certain strength in use.
An embodiment of the utility model is illustrated, with reference to fig. 4:
be equipped with keyway I41 on the handle of a knife 4, the upper end of keyway I41 is opened, be equipped with keyway II 51 on the stirring head 5, the flat key 6 of customization inlays simultaneously between keyway I41 and keyway II 51.
The structure schematic diagram of the knife handle 4 is shown in fig. 4, the external shape and the upper part of the knife handle meet the knife handle standard, and the model is as follows: HSK 63A;
a key groove I41 which can be matched with the customized flat key 6 is bored on the cutter handle 4, the lower section of the key groove I41 is closed, and the upper end of the key groove I41 is opened;
further, for the installation cooperation condition that the heat that produces when preventing to equip the use causes stirring head 5 deformation and influence and handle of a knife 4, make the both sides of customization parallel key 6 tightly with keyway I41 and keyway II 51 top respectively to keep having certain clearance between handle of a knife 4 and stirring head 5.
Examples of the present invention are illustrated with reference to fig. 4-5:
the customization flat key 6 is provided with a plurality of, and a plurality of customization flat keys 6 are evenly installed on the week side of stirring head 5.
The stirring head 5 is of a cylindrical structure, and three key grooves distributed circumferentially are formed in the upper part of the stirring head, so that the phenomenon that the end face of a cutter handle is concave after the traditional equipment is used can be effectively avoided;
the design of a plurality of customization parallel keys 6 can ensure that the power that acts on the stirring head during welding can be by reasonable dispersion to the week side of handle of a knife on, can further avoid being heated and concentrate, can further promote the handle of a knife life-span by a wide margin, and then increase substantially the stability of welding equipment in engineering application.
Examples of the present invention are illustrated with reference to FIGS. 1-2:
and a pressing block 7 is arranged between the inner hexagonal flat end fastening screw 8 and the stirring head 5.
The material of the pressing block 7 is 45 steel or cast iron, and according to the welding pressure, when the welding pressure is higher than 2500N, 45 steel is used; when the temperature is less than 2500N, cast iron is used;
the design of the pressing block 7 can improve the bearing effect and the jacking effect between the inner hexagonal flat end fastening screw 8 and the stirring head 5;
when the tool is used, one end of the pressing block 7 is tightly pressed on the stirring head 5, the other end of the pressing block is tightly attached to the inner hexagonal flat end fastening screw 8, and the horizontal height of the attachment part is slightly higher than the plane of the shoulder of the inner stepped hole of the tool holder 4, so that the pressing block 7 can be tightly pressed by the inner hexagonal flat end fastening screw 8;
the design of the pressing block 7 can further shorten the length of the stirring head 5 so as to achieve the purpose of saving materials;
furthermore, the design of the pressing block 7 can facilitate the installation of stirring heads 5 of various models, and at the moment, only the pressing blocks 7 with different lengths need to be replaced;
after the inner hexagonal flat end fastening screw 8 is screwed, one end of the inner hexagonal flat end fastening screw is tightly pressed on the pressing block 7, the other end with the inner hexagonal hole is exposed, and the mounting height of the end face of the screw is 1.5-2mm lower than the plane of the shoulder of the inner stepped hole of the side tool shank 4, so that the inner hexagonal flat end fastening screw 8 is prevented from being loosened and withdrawn by vibration in the welding process, and the movement of a clamping jaw of a hydraulic tool shank of a robot above is influenced.
Claims (9)
1. The utility model provides a static shaft shoulder Friction Stir Welding (FSW) stirring head clamping of high reliability robot is equipped, includes handle of a knife sleeve (3), handle of a knife (4) and stirring head (5), and handle of a knife (4) clamping is on the main shaft of robot, and the outside at handle of a knife (4) is installed in handle of a knife sleeve (3), and fixed connection can be dismantled on the static shell of main shaft of robot in handle of a knife sleeve (3), and its characterized in that is installed on handle of a knife (4) in stirring head (5): the utility model discloses a stirring tool, including handle of a knife, handle of a knife sleeve (3) and handle of a knife (4), have the clearance between the lateral part of handle of a knife sleeve (3) and handle of a knife (4), install on handle of a knife (4) through customization parallel key (6) stirring head (5), install on handle of a knife (4) and be used for carrying out tight interior hexagonal flat end holding screw (8) in top with stirring head (5).
2. The high-reliability clamping equipment for the static shaft shoulder friction stir welding stirring head of the robot as claimed in claim 1, wherein the clamping equipment comprises: the stirring tool is characterized by further comprising a compression nut (1) and a static shaft shoulder (2), wherein the static shaft shoulder (2) is installed at the lower end of the tool shank sleeve (3) through the compression nut (1), and the static shaft shoulder (2) is used for keeping the axes of the stirring head (5) and the tool shank (4) in a collinear mode.
3. The high-reliability clamping equipment for the static shaft shoulder friction stir welding stirring head of the robot as claimed in claim 2, wherein: and a thread groove I (31) in threaded connection with the compression nut (1) is arranged on the knife handle sleeve (3).
4. The high-reliability clamping equipment for the static shaft shoulder friction stir welding stirring head of the robot as claimed in claim 2, wherein: and a discharging and heat dissipating through hole is formed in the static shaft shoulder (2).
5. The high-reliability clamping equipment for the static shaft shoulder friction stir welding stirring head of the robot as claimed in claim 2, wherein: weight reduction grooves are symmetrically arranged on two sides of the static shaft shoulder (2).
6. The high-reliability clamping equipment for the static shaft shoulder friction stir welding stirring head of the robot as claimed in claim 1, wherein the clamping equipment comprises: and a thread groove II (42) in threaded connection with the inner hexagonal flat-end fastening screw (8) is arranged on the tool handle (4).
7. The high-reliability clamping equipment for the static shaft shoulder friction stir welding stirring head of the robot as claimed in claim 1, wherein the clamping equipment comprises: be equipped with keyway I (41) on handle of a knife (4), the upper end of keyway I (41) is opened, be equipped with keyway II (51) on stirring head (5), customization parallel key (6) inlays simultaneously between keyway I (41) and keyway II (51).
8. The high-reliability robot static shaft shoulder friction stir welding stirring head clamping equipment as recited in claim 7 or 1, characterized in that: the customized flat keys (6) are provided with a plurality of flat keys, and the plurality of flat keys (6) are uniformly arranged on the peripheral side of the stirring head (5).
9. The high-reliability clamping equipment for the static shaft shoulder friction stir welding stirring head of the robot as claimed in claim 1, wherein the clamping equipment comprises: and a pressing block (7) is arranged between the inner hexagonal flat end fastening screw (8) and the stirring head (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122734476.6U CN216264021U (en) | 2021-11-05 | 2021-11-05 | Static shaft shoulder friction stir welding stirring head clamping of high reliability robot is equipped |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122734476.6U CN216264021U (en) | 2021-11-05 | 2021-11-05 | Static shaft shoulder friction stir welding stirring head clamping of high reliability robot is equipped |
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| Publication Number | Publication Date |
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| CN216264021U true CN216264021U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122734476.6U Active CN216264021U (en) | 2021-11-05 | 2021-11-05 | Static shaft shoulder friction stir welding stirring head clamping of high reliability robot is equipped |
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| CN (1) | CN216264021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115647569A (en) * | 2022-11-15 | 2023-01-31 | 哈尔滨工业大学 | Robot continuous wire feeding friction stir material increasing device and curved surface material increasing method |
-
2021
- 2021-11-05 CN CN202122734476.6U patent/CN216264021U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115647569A (en) * | 2022-11-15 | 2023-01-31 | 哈尔滨工业大学 | Robot continuous wire feeding friction stir material increasing device and curved surface material increasing method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20230410 Address after: Room 3, No. 99, Shaojing Road, Kunshan Development Zone, Suzhou City, Jiangsu Province, 215333 Patentee after: Suzhou Wanzhi New Energy Technology Co.,Ltd. Address before: 215333 plant 3, No. 99, Shaojing Road, Kunshan Development Zone, Suzhou, Jiangsu Province Patentee before: KUNSHAN WORLD-WIDE SPECIAL WELDING CO.,LTD. |