CN212217435U - Main shaft welding device suitable for friction stir welding machine tool and friction stir welding machine tool - Google Patents
Main shaft welding device suitable for friction stir welding machine tool and friction stir welding machine tool Download PDFInfo
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- CN212217435U CN212217435U CN202020592364.4U CN202020592364U CN212217435U CN 212217435 U CN212217435 U CN 212217435U CN 202020592364 U CN202020592364 U CN 202020592364U CN 212217435 U CN212217435 U CN 212217435U
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Abstract
The utility model provides a main shaft welding set and friction stir welding lathe suitable for friction stir welding lathe, include: the device comprises a main shaft welding unit (1), a main shaft angle adjusting unit (3), a main shaft shell (4) and a main shaft drawing-back unit (5); the main shaft angle adjusting unit (3) is fixedly arranged on the machine tool; the main shaft shell (4) is fixedly connected with the main shaft angle adjusting unit (3); the main shaft welding unit (1) is fixedly connected with the main shaft angle adjusting unit (3); one end of the main shaft withdrawing unit (5) is connected with the main shaft shell (4), and the other end of the main shaft withdrawing unit is fixedly connected with the main shaft welding unit (1). The utility model provides a main shaft welding set suitable for friction stir welding lathe can satisfy the welding of different angle welding seam orbits, reaches the high-quality requirement of welding seam, and the pressure stability in the welding process can guarantee the welding seam quality in the welding process, and application scope is wide.
Description
Technical Field
The utility model relates to a pumpback formula main shaft welding system technical field specifically relates to a pumpback formula main shaft welding set for friction stir welding lathe equipment especially relates to the main shaft welding set and the friction stir welding lathe that are applicable to the friction stir welding lathe.
Background
At present, friction stir welding process methods are applied to a plurality of fields, including high-tech fields such as aerospace military industry and the like, along with the development of the process, friction stir welding machine tool equipment is developed rapidly at home and abroad and is continuously updated and replaced as a core component of the friction stir welding machine tool equipment, namely a spindle welding system, although most popular in the market are pumpback spindle welding systems, the spindle welding systems have some defects in practical application. For example, the rigidity is insufficient during the drawing back, the stability is poor, the running load of the drawing back shaft is low, and the like. These problems cause a significant increase in the failure rate of the spindle welding system, reduce the production efficiency, and more importantly, affect the weld quality of the weld. Therefore, a drawing-back type spindle welding device for friction stir welding machine tool equipment is urgently needed, so that the welding quality and efficiency of the friction stir welding machine tool equipment are improved.
The patent document with the publication number of CN207746639U and the name of a driving chain wheel main shaft welding device discloses a driving chain wheel main shaft welding device, which comprises a workbench, wherein a support column is fixedly arranged on the outer surface of the bottom end of the workbench, an elastic block is fixedly arranged in the middle of the outer surface of the upper end of the workbench, a cushion block is fixedly arranged between the elastic blocks, a driver is movably arranged on one side of the cushion block, a movable column is fixedly arranged on the outer surface of the upper end of the driver, and a clamping piece is arranged on one side of the movable column. The technical scheme disclosed by the patent document has the advantages of high failure rate, poor stability and low production efficiency.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a main shaft welding set and friction stir welding lathe suitable for friction stir welding lathe.
According to the utility model provides a pair of main shaft welding set suitable for friction stir welding lathe, include:
the device comprises a main shaft welding unit, a main shaft angle adjusting unit, a main shaft shell and a main shaft withdrawing unit;
the main shaft angle adjusting unit is fixedly arranged on the machine tool;
the main shaft shell is fixedly connected with the main shaft angle adjusting unit;
the main shaft welding unit is fixedly connected with the main shaft angle adjusting unit;
one end of the main shaft withdrawing unit is connected with the main shaft shell, and the other end of the main shaft withdrawing unit is fixedly connected with the main shaft welding unit.
Preferably, the pressure sensor is fixedly mounted at the front end of the spindle shell and can measure the pressure value of the spindle welding unit during welding in real time.
Preferably, the pressure sensor is nested at the front end of the spindle housing.
Preferably, the main shaft welding unit comprises a stirring head, a stirring head sleeve, a withdrawal shaft spline sleeve, a positioning sleeve, a front bearing nut, a front bearing gland, a first bearing, a main shaft front bearing seat, a first rotor balancing ring, a main shaft motor, a main shaft, a second rotor balancing ring, a second bearing, a rear bearing gland, a main shaft sealing ring, an induction ring and a rear bearing nut;
the head end of the main shaft is fixedly connected with the spline sleeve of the withdrawing shaft, and the main shaft is nested in the inner ring of the first bearing;
the tail end of the main shaft is nested in the inner ring of the second bearing, and the middle position of the main shaft is in interference fit connection with the main shaft motor;
one end of the spindle motor is axially fixed with the first rotor balancing ring, and the other end of the spindle motor is axially fixed with the second rotor balancing ring;
the positioning sleeve is nested at the head end of the main shaft and can position and limit the withdrawal stroke;
the stirring head sleeve is arranged at one end of the spline sleeve of the withdrawal shaft;
the stirring head is arranged at the small end of the stirring head sleeve;
the head end of the first bearing is locked by a front bearing nut, and the outer ring of the first bearing is nested in a front bearing seat of the main shaft;
one end of the second bearing is abutted against the spindle shoulder, and the other end of the second bearing is tightly pressed and fixed by a rear bearing gland;
the main shaft sealing ring is embedded with the main shaft and abuts against the second bearing, and the rear bearing nut and the main shaft sealing ring abut against and indirectly lock the second bearing;
the induction ring is connected with the rear bearing nut.
Preferably, the reading head is arranged on a rear bearing seat of the main shaft, when the main shaft rotates, the rear bearing nut and the induction ring are driven to rotate, and the reading head can display the speed of the induction ring.
Preferably, the main shaft angle adjusting unit comprises a main shaft angle adjusting fixing seat, an adjusting screw mounting seat, an adjusting screw, a main shaft angle adjusting connecting seat, a main shaft swinging shaft and a main shaft swinging shaft gasket;
the main shaft angle adjusting fixing seat is fixedly arranged on the machine tool;
the adjusting screw rod mounting seat is mounted on the main shaft angle adjusting fixing seat;
the main shaft angle adjusting connecting seat is connected with the main shaft angle adjusting fixing seat;
the adjusting screw rod is positioned in the adjusting screw rod mounting seat, and the adjusting screw rod can freely advance and retreat in the adjusting screw rod mounting seat in a spiral manner;
one end of the main shaft swinging shaft is fixedly connected with the main shaft shell, and the other end of the main shaft swinging shaft is connected with the main shaft angle adjusting connecting seat;
the main shaft oscillating axle gasket is nested between the main shaft angle adjustment fixing seat and the main shaft oscillating axle, the main shaft oscillating axle gasket can adjust the spiral stroke of the adjusting screw rod, pushes the main shaft angle adjustment connecting seat and the main shaft oscillating axle rotating angle to drive the main shaft shell rotating angle, and further can adjust the main shaft angle.
Preferably, the main shaft angle adjusting connecting seat is flexibly connected with the main shaft angle adjusting fixing seat through an arc-shaped groove.
Preferably, the main shaft withdrawing unit comprises a stirring pin, a stirring pin sleeve, a withdrawing shaft, a withdrawing main shaft shell, a linear guide rail, a stator positioning block, a main shaft rear bearing seat, a withdrawing shaft large belt pulley, a synchronous belt, a withdrawing shaft small belt pulley, a withdrawing shaft speed reducer mounting seat, a speed reducer, a servo motor, a withdrawing limiting block, a guide flat key, a sensor bracket, a sensor, a withdrawing shaft copper sleeve, a withdrawing rear gland, a belt wheel bearing retainer ring, a belt wheel bearing cover, a third bearing, a withdrawing shaft connecting seat, a planetary screw, a fourth bearing and a locking nut;
the servo motor is connected with the speed reducer;
the speed reducer is arranged on the withdrawing shaft speed reducer mounting seat;
the small belt pulley of the withdrawal shaft is arranged at the output end of the speed reducer and is flexibly connected with the large belt pulley of the withdrawal shaft through a synchronous belt;
the optical axis end of the large belt wheel of the withdrawing shaft is nested in a third bearing inner ring, the third bearing outer ring is nested in the withdrawing shaft connecting seat, the outer ring of the third bearing is blocked by a belt wheel bearing retainer ring, and the inner ring of the third bearing is pressed by a belt wheel bearing press cover;
one end of the pumping-back shaft connecting seat is connected with the main shaft rear bearing seat, and the other end of the pumping-back shaft connecting seat is connected with the pumping-back gland;
the main shaft rear bearing seat is connected with the stator positioning block;
the stator positioning block is arranged at the tail end of the withdrawing main shaft shell, and the linear guide rail is arranged on the outer surface of the withdrawing main shaft shell;
the nut of the planetary screw is connected with the large belt wheel of the withdrawal shaft;
one end of the planetary screw is connected with a guide flat key, the planetary screw can drive the guide flat key to move left and right in the withdrawal shaft copper sleeve by moving left and right, the guide flat key has a guide effect, and the withdrawal shaft copper sleeve is connected with the withdrawal gland;
the other end of the planetary screw is nested in an inner ring of a fourth bearing, an outer ring of the fourth bearing is nested in the withdrawing shaft, and the fourth bearing is locked through a locking nut;
the head end of the withdrawal shaft is connected with the stirring needle sleeve, and the stirring needle is connected with the stirring needle sleeve through threads.
Preferably, the screw shaft pressure bearing cover is arranged at the tail end of the withdrawing shaft, and the screw shaft pressure bearing cover presses an outer ring of the fourth bearing to prevent the fourth bearing from moving back and forth.
The utility model provides a stir friction welding lathe in addition, include as above the main shaft welding set who is applicable to the stir friction welding lathe.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model provides a pair of main shaft welding set suitable for friction stir welding lathe has realized the flexible pumpback of freedom in welding process through setting up main shaft welding unit, main shaft angular adjustment unit, main shaft casing and main shaft pumpback unit, can satisfy the welding of different angle welding seam orbits through changing main shaft welding angle, reaches the high-quality requirement of welding seam.
2. The utility model provides a pair of main shaft welding set suitable for friction stir welding lathe is through setting up main shaft welding unit, main shaft angular adjustment unit, main shaft casing, main shaft pumpback unit enhai pressure sensor each item pressure value when having realized real-time accurate test and having welded, can feed back main shaft motor in real time according to the measured value, and the pressure that reachs among the welding process is stable, guarantees the welding seam quality among the welding process.
3. The utility model provides a pair of main shaft welding set application scope suitable for friction stir welding lathe is wide, can popularize and be applied to the friction stir welding system in many fields of aviation, space flight scientific research and military project.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of a spindle welding device suitable for a friction stir welding machine tool according to the present invention;
fig. 2 is a cross-sectional view of a spindle welding device suitable for a friction stir welding machine tool provided by the present invention;
fig. 3 is a cross-sectional view of a spindle welding unit in a spindle welding device suitable for a friction stir welding machine tool according to the present invention;
fig. 4 is a partial schematic view of a spindle welding unit in a spindle welding device suitable for a friction stir welding machine according to the present invention;
fig. 5a is a schematic structural diagram of a spindle angle adjusting unit in a spindle welding device suitable for a friction stir welding machine according to the present invention;
fig. 5b is a cross-sectional view of a spindle angle adjusting unit in a spindle welding device suitable for a friction stir welding machine according to the present invention;
fig. 6 is a schematic structural diagram of a spindle retracting unit in a spindle welding device suitable for a friction stir welding machine tool according to the present invention;
fig. 7 is a cross-sectional view of a spindle retracting unit in a spindle welding device suitable for a friction stir welding machine according to the present invention;
shown in the figure:
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
The following first describes a basic embodiment of a spindle welding device for a friction stir welding machine according to the present invention.
As shown in FIGS. 1-2, the utility model provides a pair of main shaft welding device suitable for friction stir welding lathe, include: the device comprises a main shaft welding unit 1, a main shaft angle adjusting unit 3, a main shaft shell 4 and a main shaft drawing-back unit 5; the main shaft angle adjusting unit 3 is fixedly arranged on the machine tool; the spindle housing 4 is fixedly connected with the spindle angle adjusting unit 3; the main shaft welding unit 1 is fixedly connected with the main shaft angle adjusting unit 3; one end of the main shaft drawing unit 5 is connected with the main shaft shell (4), and the other end of the main shaft drawing unit is fixedly connected with the main shaft welding unit 1.
The present invention will be described in more detail with reference to preferred examples and/or modifications of the above basic embodiment, such as embodiment 1.
Example 1
As shown in FIGS. 1-2, the utility model provides a pair of main shaft welding set suitable for friction stir welding lathe, including still including pressure sensor 2, 2 fastening installations of pressure sensor are in 4 front ends of main shaft casing, can real-time measurement the pressure value when 1 welding of main shaft welding unit.
Example 2
As shown in figures 1-2, the utility model provides a pair of main shaft welding device suitable for friction stir welding lathe, pressure sensor 2 nest in 4 front ends of main shaft housing.
Example 3
Fig. 3 to 4 show the schematic diagram of a spindle welding unit in a spindle welding device suitable for a friction stir welding machine tool, the spindle welding unit 1 includes a stirring head 101, a stirring head sleeve 102, a withdrawing shaft spline sleeve 103, a positioning sleeve 104, a front bearing nut 105, a front bearing gland 106, a first bearing 107, a spindle front bearing seat 108, a first rotor balance ring 109, a spindle motor 110, a spindle 111, a second rotor balance ring 112, a second bearing 113, a rear bearing gland 114, a spindle sealing ring 115, an induction ring 116 and a rear bearing nut 117; the head end of the main shaft 111 is fixedly connected with the spline housing 103 of the withdrawing shaft, and the main shaft 111 is nested in the inner ring of the first bearing 107; the end of the main shaft 111 is nested in the inner ring of the second bearing 113, and the middle position of the main shaft 111 is connected with the main shaft motor 110 in an interference fit manner; one end of the spindle motor 110 is axially fixed to the first rotor balance ring 109, and the other end is axially fixed to the second rotor balance ring 112; the positioning sleeve 104 is nested at the head end of the main shaft 111 and can position and limit the withdrawal stroke; the stirring head sleeve 102 is arranged at one end of the withdrawal shaft spline sleeve 103; the stirring head 101 is arranged at the small end of the stirring head sleeve 102; the head end of the first bearing 107 is locked by a front bearing nut 105, and the outer ring of the first bearing 107 is nested in a front bearing seat 108 of the main shaft; one end of the second bearing 113 abuts against the shaft shoulder of the main shaft 111, and the other end is pressed and fixed by a rear bearing gland 114; the main shaft sealing ring 115 is embedded with the main shaft 111 and abuts against the second bearing 113, and the rear bearing nut 117 abuts against the main shaft sealing ring 115 to indirectly lock the second bearing 113; the inductor ring 116 is connected to the rear bearing nut 117.
When the spindle is welded, the spindle motor 110 drives the spindle 111 to rotate at a high speed, and indirectly drives the stirring pin 501 and the stirring head 101 in the spindle retraction unit 5 to rotate, so as to generate high temperature to melt the periphery of the weld joint, thereby achieving the welding effect.
Example 4
As shown in fig. 3-4, the utility model provides a pair of main shaft welding unit's among main shaft welding set suitable for friction stir welding lathe sketch map still includes reading head 118, reading head 118 is installed on main shaft rear axle seat 507, and when main shaft 111 was rotatory, it was rotatory to drive rear bearing nut 117 and induction ring 116, can read out induction ring 116 speed through reading head 118, and then can demonstrate the actual speed when welding in real time.
Example 5
Fig. 5a and 5b show a schematic view and a cross-sectional view of a spindle angle adjusting unit 3 in a spindle welding device suitable for a friction stir welding machine tool, where the spindle angle adjusting unit 3 includes a spindle angle adjusting fixing seat 301, an adjusting screw mounting seat 302, an adjusting screw 303, a spindle angle adjusting connecting seat 304, a spindle swing shaft 305, and a spindle swing shaft gasket 306; the main shaft angle adjusting fixing seat 301 is fixedly arranged on the machine tool; the adjusting screw mounting base 302 is mounted on the main shaft angle adjusting fixing base 301; the spindle angle adjusting connecting seat 304 is connected with the spindle angle adjusting fixing seat 301; the adjusting screw 303 is positioned in the adjusting screw mounting seat 302, and the adjusting screw 303 can freely advance and retreat in the adjusting screw mounting seat 302; one end of the spindle swinging shaft 305 is fixedly connected with the spindle housing 4, and the other end is connected with the spindle angle adjusting connecting seat 304; spindle oscillating axle gasket 306 nests in between spindle angle adjustment fixing base 301 and the spindle oscillating axle 305, spindle oscillating axle gasket 306 can adjust adjusting screw 303's spiral stroke promotes spindle angle adjustment connecting seat 304 and spindle oscillating axle 305 turned angle drive 4 turned angle of main shaft casing, and then can adjust the spindle angle. When the angle of the welding seam is slightly changed or the optimal welding angle needs to be found, the spiral strokes of the two adjusting screws 303 can be adjusted to finely adjust the main shaft by a certain angle.
Example 6
As shown in fig. 5a and 5b, the utility model provides a main shaft angle adjusting unit 3 schematic diagram, a cross-sectional view in the main shaft welding device suitable for friction stir welding machine tool, main shaft angle adjusting connecting seat 304 and main shaft angle adjusting fixing seat 301 pass through arc-shaped groove flexible connection.
Example 7
Fig. 6 to 7 show a schematic diagram of a spindle retraction unit in a spindle welding device suitable for a friction stir welding machine tool, the spindle retraction unit 5 includes a stir pin 501, a stir pin sleeve 502, a retraction shaft 503, a retraction spindle housing 504, a linear guide rail 505, a stator positioning block 506, a spindle rear bearing seat 507, a retraction shaft large belt pulley 508, a synchronous belt 509, a retraction shaft small belt pulley 510, a retraction shaft reducer mounting seat 511, a speed reducer 512, a servo motor 513, a retraction limiting block 514, a guide flat key 515, a sensor support 516, a sensor 517, a retraction shaft copper sleeve 518, a retraction back gland 519, a pulley bearing retainer ring 520, a pulley bearing gland 521, a third bearing 522, a retraction shaft connecting seat 523, a planetary lead screw 524, a fourth bearing 526 and a locking nut 527; the servo motor 513 is connected with the speed reducer 512; the speed reducer 512 is mounted on the withdrawing shaft speed reducer mounting base 511; the small withdrawing shaft belt pulley 510 is mounted at the output end of the speed reducer 512, and the small withdrawing shaft belt pulley 510 is flexibly connected with the large withdrawing shaft belt pulley 508 through a synchronous belt 509; the optical axis end of the large withdrawing shaft belt wheel 508 is nested in the inner ring of a third bearing 522, the outer ring of the third bearing 522 is nested in a withdrawing shaft connecting seat 523, the outer ring of the third bearing 522 is blocked by a belt wheel bearing retainer ring 520, and the inner ring of the third bearing 522 is pressed by a belt wheel bearing gland 521; one end of the withdrawing shaft connecting seat 523 is connected with the main shaft rear bearing seat 507, and the other end is connected with the withdrawing rear gland 519; the main shaft rear bearing seat 507 is connected with the stator positioning block 506; the stator positioning block 506 is mounted at the end of the retraction spindle housing 504, and the linear guide 505 is mounted on the outer surface of the retraction spindle housing 504; the nut of the planetary lead screw 524 is connected with the large belt pulley 508 of the withdrawal shaft; one end of the planetary lead screw 524 is connected with a guide flat key 515, the planetary lead screw 524 moves left and right to drive the guide flat key 515 to move left and right in the withdrawal shaft copper sleeve 518, the guide flat key 515 has a guiding function, and the withdrawal shaft copper sleeve 518 is connected with the withdrawal gland 519; the other end of the planetary screw 524 is nested in the inner ring of a fourth bearing 526, the outer ring of the fourth bearing 526 is nested in the withdrawing shaft 503, and the fourth bearing 526 is locked by a locking nut 527; the head end of the retraction shaft 503 is connected to the agitator needle sheath 502, and the agitator needle 501 is connected to the agitator needle sheath 502 through a screw thread.
When the drawing is performed, the servo motor 513 and the speed reducer 512 drive the small drawing shaft belt wheel 510 to rotate, the small drawing shaft belt wheel 510 drives the large drawing shaft belt wheel 508 to rotate through the synchronous belt 509, and the nut of the planetary screw 524 is connected with the large drawing shaft belt wheel 508 to drive the planetary screw 524 to rotate, so that the drawing is performed. Because this device has adopted the high load, and the linear guide 505 of four directions installation side by side, the rigidity is not enough when having avoided the pumpback, the poor problem of stability, and planet lead screw 524 compares ordinary lead screw, has high load, high rigidity, characteristics that occupation space is little, has avoided unstable situations such as tremble among the pumpback operation process to appear.
Example 8
Fig. 6 to 7 are schematic diagrams illustrating a spindle retracting unit in a spindle welding device suitable for a friction stir welding machine tool, further including a screw spindle bearing cap 525, the screw spindle bearing cap 525 is installed at the end of the retracting spindle 503, the screw spindle bearing cap 525 compresses the outer ring of the fourth bearing 526 to prevent the fourth bearing 526 from moving back and forth.
The utility model provides a friction stir welding lathe in addition, include as above be applicable to friction stir welding lathe's main shaft welding set
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A spindle welding device suitable for a friction stir welding machine, comprising:
the device comprises a main shaft welding unit (1), a main shaft angle adjusting unit (3), a main shaft shell (4) and a main shaft drawing-back unit (5);
the main shaft angle adjusting unit (3) is fixedly arranged on the machine tool;
the main shaft shell (4) is fixedly connected with the main shaft angle adjusting unit (3);
the main shaft welding unit (1) is fixedly connected with the main shaft angle adjusting unit (3);
one end of the main shaft withdrawing unit (5) is connected with the main shaft shell (4), and the other end of the main shaft withdrawing unit is fixedly connected with the main shaft welding unit (1).
2. The spindle welding device adapted for a friction stir welding machine according to claim 1, wherein:
the pressure sensor (2) is fixedly mounted at the front end of the main shaft shell (4) and can measure the pressure value of the main shaft welding unit (1) during welding in real time.
3. The spindle welding device adapted for a friction stir welding machine according to claim 2, wherein:
the pressure sensor (2) is nested at the front end of the main shaft shell (4).
4. The spindle welding device adapted for a friction stir welding machine according to claim 1, wherein:
the main shaft welding unit (1) comprises a stirring head (101), a stirring head sleeve (102), a withdrawal shaft spline sleeve (103), a positioning sleeve (104), a front bearing nut (105), a front bearing gland (106), a first bearing (107), a main shaft front bearing seat (108), a first rotor balance ring (109), a main shaft motor (110), a main shaft (111), a second rotor balance ring (112), a second bearing (113), a rear bearing gland (114), a main shaft sealing ring (115), an induction ring (116) and a rear bearing nut (117);
the head end of the main shaft (111) is fixedly connected with the spline sleeve (103) of the withdrawing shaft, and the main shaft (111) is nested in the inner ring of the first bearing (107);
the tail end of the main shaft (111) is nested in an inner ring of a second bearing (113), and the middle position of the main shaft (111) is connected with the main shaft motor (110) in an interference fit manner;
one end of the spindle motor (110) is axially fixed with the first rotor balance ring (109), and the other end of the spindle motor is axially fixed with the second rotor balance ring (112);
the positioning sleeve (104) is nested at the head end of the main shaft (111) and can be positioned to limit the withdrawal stroke;
the stirring head sleeve (102) is arranged at one end of the withdrawal shaft spline sleeve (103);
the stirring head (101) is arranged at the small end of the stirring head sleeve (102);
the head end of the first bearing (107) is locked by a front bearing nut (105), and the outer ring of the first bearing (107) is nested in a front bearing seat (108) of the main shaft;
one end of the second bearing (113) abuts against the shaft shoulder of the main shaft (111), and the other end of the second bearing is pressed and fixed by a rear bearing pressing cover (114);
the main shaft sealing ring (115) is nested with the main shaft (111) and abuts against the second bearing (113), and the rear bearing nut (117) abuts against the main shaft sealing ring (115) to indirectly lock the second bearing (113);
the induction ring (116) is connected with the rear bearing nut (117).
5. The spindle welding device adapted for a friction stir welding machine according to claim 4, wherein:
the spindle speed display device is characterized by further comprising a reading head (118), wherein the reading head (118) is installed on a spindle rear bearing seat (507), when the spindle (111) rotates, a rear bearing nut (117) and an induction ring (116) are driven to rotate, and the reading head (118) can display the speed of the induction ring (116).
6. The spindle welding device adapted for a friction stir welding machine according to claim 1, wherein:
the main shaft angle adjusting unit (3) comprises a main shaft angle adjusting fixed seat (301), an adjusting screw rod mounting seat (302), an adjusting screw rod (303), a main shaft angle adjusting connecting seat (304), a main shaft swinging shaft (305) and a main shaft swinging shaft gasket (306);
the main shaft angle adjusting fixing seat (301) is fixedly arranged on a machine tool;
the adjusting screw mounting seat (302) is mounted on the main shaft angle adjusting fixing seat (301);
the main shaft angle adjusting connecting seat (304) is connected with the main shaft angle adjusting fixing seat (301);
the adjusting screw (303) is positioned in the adjusting screw mounting seat (302), and the adjusting screw (303) can freely advance and retreat in the adjusting screw mounting seat (302);
one end of the main shaft swinging shaft (305) is fixedly connected with the main shaft shell (4), and the other end of the main shaft swinging shaft is connected with the main shaft angle adjusting connecting seat (304);
main shaft oscillating axle gasket (306) nest in between main shaft angular adjustment fixing base (301) and main shaft oscillating axle (305), main shaft oscillating axle gasket (306) can be adjusted the spiral stroke of adjusting screw (303), promote main shaft angular adjustment connecting seat (304) and main shaft oscillating axle (305) turned angle drive main shaft casing (4) turned angle, and then can adjust the main shaft angle.
7. The spindle welding device adapted for a friction stir welding machine according to claim 5, wherein:
the main shaft angle adjusting connecting seat (304) is flexibly connected with the main shaft angle adjusting fixing seat (301) through an arc-shaped groove.
8. The spindle welding device adapted for a friction stir welding machine according to claim 1, wherein:
the main shaft withdrawing unit (5) comprises a stirring pin (501), a stirring pin sleeve (502), a withdrawing shaft (503), a withdrawing main shaft shell (504), a linear guide rail (505), a stator positioning block (506), a main shaft rear bearing seat (507), a withdrawing shaft large belt pulley (508), a synchronous belt (509), a withdrawing shaft small belt pulley (510), a withdrawing shaft speed reducer mounting seat (511), a speed reducer (512), a servo motor (513), a withdrawing limiting block (514), a guide flat key (515), a sensor support (516), a sensor (517), a withdrawing shaft copper sleeve (518), a withdrawing rear gland (519), a belt wheel bearing retainer ring (520), a belt wheel bearing gland (521), a third bearing (522), a withdrawing shaft connecting seat (523), a planetary screw (524), a fourth bearing (526) and a locking nut (527);
the servo motor (513) is connected with the speed reducer (512);
the speed reducer (512) is mounted on the withdrawing shaft speed reducer mounting seat (511);
the small withdrawing shaft belt wheel (510) is mounted at the output end of the speed reducer (512), and the small withdrawing shaft belt wheel (510) is flexibly connected with the large withdrawing shaft belt wheel (508) through a synchronous belt (509);
the optical axis end of the large belt wheel (508) of the withdrawing shaft is nested in the inner ring of a third bearing (522), the outer ring of the third bearing (522) is nested in a withdrawing shaft connecting seat (523), the outer ring of the third bearing (522) is blocked by a belt wheel bearing retainer ring (520), and the inner ring of the third bearing (522) is pressed by a belt wheel bearing gland (521);
one end of the withdrawing shaft connecting seat (523) is connected with a main shaft rear bearing seat (507), and the other end of the withdrawing shaft connecting seat is connected with a withdrawing rear gland (519);
the main shaft rear bearing seat (507) is connected with the stator positioning block (506);
the stator positioning block (506) is installed at the tail end of the withdrawing main shaft shell (504), and the linear guide rail (505) is installed on the outer surface of the withdrawing main shaft shell (504);
the nut of the planetary lead screw (524) is connected with the large belt wheel (508) of the withdrawal shaft;
one end of the planetary lead screw (524) is connected with a guide flat key (515), the planetary lead screw (524) moves left and right to drive the guide flat key (515) to move left and right in the withdrawing shaft copper sleeve (518), the guide flat key (515) has a guide function, and the withdrawing shaft copper sleeve (518) is connected with the withdrawing back gland (519);
the other end of the planetary screw (524) is nested in an inner ring of a fourth bearing (526), an outer ring of the fourth bearing (526) is nested in the withdrawing shaft (503), and the fourth bearing (526) is locked through a locking nut (527);
the head end of the withdrawal shaft (503) is connected with the stirring needle sleeve (502), and the stirring needle (501) is connected with the stirring needle sleeve (502) through threads.
9. The spindle welding device adapted for a friction stir welding machine according to claim 8, wherein: further comprising a screw shaft bearing cap (525), the screw shaft bearing cap (525) being mounted to the end of the withdrawal shaft (503), the screw shaft bearing cap (525) pressing against an outer ring of a fourth bearing (526) to prevent the fourth bearing (526) from sliding back and forth.
10. A friction stir welding machine tool is characterized in that: the spindle welding device suitable for the friction stir welding machine tool comprises the spindle welding device suitable for the friction stir welding machine tool according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020592364.4U CN212217435U (en) | 2020-04-20 | 2020-04-20 | Main shaft welding device suitable for friction stir welding machine tool and friction stir welding machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020592364.4U CN212217435U (en) | 2020-04-20 | 2020-04-20 | Main shaft welding device suitable for friction stir welding machine tool and friction stir welding machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212217435U true CN212217435U (en) | 2020-12-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116408532A (en) * | 2023-05-25 | 2023-07-11 | 河北科技大学 | Main shaft system capable of realizing friction material adding and friction stir welding |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116408532A (en) * | 2023-05-25 | 2023-07-11 | 河北科技大学 | Main shaft system capable of realizing friction material adding and friction stir welding |
| CN116408532B (en) * | 2023-05-25 | 2023-09-22 | 河北科技大学 | Main shaft system capable of realizing friction material adding and friction stir welding |
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