CN113414704A - Novel swing driving mechanism for swing head of super-finishing machine - Google Patents
Novel swing driving mechanism for swing head of super-finishing machine Download PDFInfo
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- CN113414704A CN113414704A CN202110547446.6A CN202110547446A CN113414704A CN 113414704 A CN113414704 A CN 113414704A CN 202110547446 A CN202110547446 A CN 202110547446A CN 113414704 A CN113414704 A CN 113414704A
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- shaft
- sleeve
- swing
- locking
- bearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B35/00—Machines or devices designed for superfinishing surfaces on work, i.e. by means of abrading blocks reciprocating with high frequency
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
Abstract
The invention discloses a novel swing driving mechanism for a swing head of a super-fine machine, which comprises a servo motor and a swing shaft, wherein a bearing sleeve is sleeved in a through hole of a motor base, a locking outer sleeve is sleeved in a small smooth ring of the bearing sleeve, and a large smooth ring is connected with a main bearing ring and a bearing cover; a driving shaft of the servo motor is sleeved with a locking shaft sleeve, the locking shaft sleeve sequentially penetrates through a main bearing ring and a locking outer sleeve, and a sliding groove is fixedly connected with the locking shaft sleeve; the sliding groove block is matched with the sliding block and the first pin shaft; the sliding groove block, the sliding block, the first pin shaft, the first connecting bearing seat, the swinging connecting rod, the second connecting bearing seat, the second pin shaft, the eccentric connecting rod and the swinging shaft form a mechanism similar to a crank sliding block. The invention has the advantages that: change the mode of servo motor lug connection connecting rod into, for the yaw axle transmission power, realize under the low moment of torsion, processing is more stable, but the control range increases, fixes a position more accurately, cancels a part frock accessory simultaneously, has simplified the structure, and later maintenance is convenient, reduce cost.
Description
Technical Field
The invention relates to the technical field of super-finishing machine oilstone swing driving, in particular to a novel swing driving mechanism for a super-finishing machine swing head.
Background
The superfinishing machine presses the oilstone to a rotating workpiece under lower pressure to form a surface contact state, and meanwhile, the oilstone vibrates axially at higher frequency. The main characteristics are as follows:
1. the roughness is greatly improved in a short time (penetration superfinishing can usually reach Ra0.025 μm).
2. Since the machining is performed under low pressure, the surface texture of the workpiece is not abnormally changed, and the surface deterioration layer generated in the process (grinding or cutting) can be removed or mostly removed.
3. Because the oilstone and the workpiece are in a surface contact mode and automatically profile-shaped, surface ripples (edge circles) which are easy to appear in grinding can be removed, and the roundness is improved.
The oilstone of present super fine machine is installed in the yaw position, and the drive mode of yaw has the multiple, and main flexible that still has the pneumatic cylinder drives the pushing down of oilstone and lifts up, and this reciprocating lift's flexibility, accuracy and can regulate and control the performance all exist certain not enough, await urgent need the improvement.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a novel swing driving mechanism for a swing head of a superfinishing machine.
In order to achieve the purpose, the invention adopts the following technical scheme:
a novel swing driving mechanism for a super-fine machine swing head comprises a servo motor arranged on a motor base and a swing shaft arranged in a swing head shaft base, wherein the motor base is of a four-fold plate-shaped metal structure, a shell on the output side of the servo motor is fastened on a panel of the motor base through bolts, the panel is provided with a through hole, a bearing sleeve is sleeved in the through hole of the motor base and is integrally formed by a small smooth ring sleeved in the through hole and a large smooth ring arranged outside the through hole, the small smooth ring is tightly connected with the motor base through a bolt arranged on the side wall of the motor base, the small smooth ring is movably sleeved with a locking outer sleeve, the large smooth ring is movably sleeved with a main bearing ring, the end face of the large smooth ring far away from the servo motor is fastened with a bearing cover through a bolt, the bearing cover is used for limiting the main bearing ring in a bearing sleeve, and the locking outer sleeve consists of a whole ring part and an open ring part;
a servo motor driving shaft penetrates through a motor base through hole, a locking shaft sleeve is tightly sleeved outside the servo motor driving shaft, the locking shaft sleeve sequentially comprises a locking inner sleeve section, an outer thread ring section and a smooth shaft sleeve section, the locking inner sleeve section and an open ring part of a locking outer sleeve are both non-closed steel rings, the outer wall of the locking inner sleeve section is tightly abutted and fastened in the open ring part of the locking outer sleeve through a fastening screw, counter bores corresponding to bolt caps are uniformly distributed on the outer wall of the open ring part, the influence on the movable connection of the open ring part and a bearing sleeve is avoided, the outer thread ring section is sleeved in the whole ring part of the locking outer sleeve through threads, the outer wall of the smooth shaft sleeve section is movably sleeved in a hole of the bearing cap, and the end face of the smooth shaft sleeve section;
a T-shaped sliding groove is formed in one side, away from a driving shaft of a servo motor, of each sliding groove block, a sliding block is matched in the T-shaped sliding groove, a first pin shaft is fixedly connected with the sliding block, a first connecting shaft bearing seat is movably sleeved on the first pin shaft, an extending block is arranged on the side wall of the first connecting shaft bearing seat, a screw hole is formed in the side wall of the extending block, a swinging connecting rod is sleeved on the side wall of the extending block, the swinging connecting rod is composed of a main rod section in the middle and screw rod sections at two ends of the main rod section, one end, away from the extending block of the first connecting shaft bearing seat, of the swinging connecting rod is sleeved at the screw hole of the extending block of the second connecting shaft bearing seat, the second connecting shaft bearing seat is riveted at one end of an eccentric connecting rod through a second pin shaft, the other end of the eccentric connecting rod is fixed at one end of a screw thread of the swinging shaft through a locking nut and a locking ring clamp, and the locking nut is used for fixing one end of the eccentric connecting rod and the swinging shaft, and thus when one end of the eccentric connecting rod rotates around the second pin shaft, the swinging shaft at the other end can rotate;
the swing shaft is sleeved with a swing shaft sleeve, two end faces of the swing head shaft seat are provided with through telescopic holes, and the swing shaft sleeve is fixedly sleeved in the telescopic holes; the top surface of the swing shaft seat is provided with a crack communicated with the telescopic hole, two side walls inside the crack are provided with screw holes, one side surface of the swing shaft seat is connected with the screw holes on the two side walls of the crack through long bolts, so that the function of expanding or reducing the inner diameter of the telescopic hole is achieved, the swing shaft seat is used for installing and locking the swing shaft sleeve, the other side surface of the swing shaft seat is provided with a lug part, the lug part is fixedly connected with the motor seat through bolts, and the top surface of the lug part is also provided with an installation hole;
the outer end faces of the locking nut, the second connecting bearing seat and the first connecting bearing seat are located on the same plane, so that the locking nut can effectively block the second connecting bearing seat, the eccentric connecting rod can only do reciprocating rotation at a certain angle around the swinging shaft, the distance between the first pin shaft and the second pin shaft is limited by the depth of the swinging connecting rod screwed into the second connecting bearing seat and the first connecting bearing seat, the first pin shaft moves along with the sliding block, the sliding block is influenced by centrifugal force and is easy to stay at the edge of the T-shaped sliding groove of the sliding groove block, a crank sliding block mechanism is formed, the length of the long arm of the crank sliding block mechanism can be adjusted, and the short arm drives the central shaft to rotate;
the sliding block can move in an inner translational mode, and can rotate along with the driving shaft of the servo motor along with the locking shaft sleeve, the second pin shaft can only deflect at a certain small angle around the swinging shaft under the limitation of distance and the limitation of the movement range of the sliding block in the sliding groove block, so that the swinging angle of the swinging shaft is effectively controlled, the swinging frequency is the same as the rotating speed value of the driving shaft of the servo motor, and if the rotating speed of the motor is 6000r/min, the swinging frequency is 100r/s, namely the swinging frequency of the swinging shaft is 100 times/s.
Preferably, the swing axle sleeve includes that the outer sleeve and the activity cup joint the interior spacer in the outer sleeve, the swing axle middle part is equipped with the shoulder portion that cup joints with the activity of interior spacer, the interior spacer both ends face is contradicted respectively on the inner ring of bearing ring, the relative terminal surface of two bearing rings is supported and is had the spring holder, the spring holder is kept away from one side conflict of bearing ring and is had the spring, spring contact has the thrust pad, the end cover has been kept away from in the end face contact of spring holder to the thrust pad, the end cover is kept away from thrust pad one side activity joint and is had the locking nut lid, the screw has been seted up at locking nut lid center, the swing axle be equipped with locking nut lid. According to the invention, through the inner spacer sleeve, the movable sleeve connection of the bearing ring, the spring seat, the thrust pad and the locking nut cap and the outer sleeve, the torque force born by the swinging shaft can be effectively increased.
Preferably, the end parts of the first pin shaft and the second pin shaft are respectively provided with an end-sealing nut for positioning.
Preferably, the shaft wall of the part of the swinging shaft sleeved with the eccentric connecting rod is a reducing conical surface, so that the eccentric connecting rod can be conveniently clamped on the swinging shaft in an interference manner through knocking.
Preferably, a gasket is arranged between the bearing sleeve and the end face of the shell of the servo motor, so that the servo motor is guaranteed to abut against the bearing sleeve, the bearing sleeve plays a role in protecting the driving shaft, and the torque force born by the driving shaft can be properly increased.
Compared with the prior art, the invention has the beneficial effects that:
1. through technical upgrading and improvement, a matched connecting device is installed on a driving shaft of a servo motor to serve as a driving mechanism, so that the bearing torque force of the driving shaft is increased;
2. the driving mechanism is arranged on a specially designed motor base and is connected and fixed with the swing head shaft base.
3. Then the driving mechanism is connected with the swinging shaft by an eccentric connecting rod by using a swinging connecting rod with adjustable length.
4. During actual production, the driving shaft is driven to rotate through the servo motor, so that the connecting rod which is eccentrically installed is driven to reciprocate, power is transmitted to the connected swinging shaft, reciprocating swinging within a certain angle of the swinging head is realized, and the workpiece is ground and superfinished.
In conclusion, the transmission principle of the invention is as follows: the sliding groove block, the sliding block, the first pin shaft, the first connecting bearing seat, the swing connecting rod, the second connecting bearing seat, the second pin shaft, the eccentric connecting rod and the swing shaft form a mechanism similar to a crank sliding block, the distance between the first pin shaft and the second pin shaft is controlled through the screw thread precession length of the swing connecting rod, the reciprocating rotation angle of the swing shaft is controlled through the combination of centrifugal rotation force and sliding motion trend, and the reciprocating vibration frequency of the swing shaft is directly controlled through the rotation speed of a servo motor
Summarizing the advantages of the invention: change the mode of servo motor lug connection connecting rod into, for the yaw axle transmission power, realize under the low moment of torsion, processing is more stable, but the control range increases, fixes a position more accurately, cancels a part frock accessory simultaneously, has simplified the structure, and later maintenance is convenient, reduce cost.
Drawings
Fig. 1 is a schematic structural diagram of a novel swing driving mechanism for a swing head of a superfinishing machine according to the present invention;
FIG. 2 is an assembly view of the novel swing driving mechanism for the swing head of the superfinishing machine according to the present invention;
FIG. 3 is an internal structure diagram of a swing shaft sleeve in the novel swing driving mechanism for a swing head of a super-finishing machine according to the present invention;
in the figure: the device comprises a motor base 1, a servo motor 2, a swing head shaft base 3, a swing shaft 4, a bearing sleeve 5, a locking outer sleeve 6, a main bearing ring 7, a bearing cover 8, a locking shaft sleeve 9, a sliding groove block 10, a sliding block 11, a first pin shaft 12, a first connecting bearing base 13, a swing connecting rod 14, a second connecting bearing base 15, a second pin shaft 16, an eccentric connecting rod 17, a locking nut 18, a swing shaft sleeve 19, an outer sleeve 19-1, an inner spacer sleeve 19-2, a bearing ring 19-3, a spring seat 19-4, a thrust pad 19-5, an end cover 19-6, a locking screw cap cover 19-7 and a telescopic hole 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a novel swing driving mechanism for a super-fine machine head swing comprises a servo motor 2 mounted on a motor base 1 and a swing shaft 4 mounted in a head swing shaft base 3, wherein the motor base 1 is a four-fold plate-shaped metal structure, a shell at the output side of the servo motor 2 is fastened on a panel of the motor base 1 through bolts, the panel is provided with through holes, a bearing sleeve 5 is sleeved in the through hole of the motor base 1, the bearing sleeve 5 is formed by a small smooth ring sleeved in the through hole and a large smooth ring arranged outside the through hole in an integrated manner, the small smooth ring is fastened and connected with the motor base 1 through bolts arranged on the side wall of the motor base 1, a locking outer sleeve 6 is movably sleeved in the small smooth ring, a main bearing ring 7 is movably sleeved in the large smooth ring, a bearing cover 8 is fastened and arranged on the end surface of the large smooth ring far away from the direction of the servo motor 2 through bolts, the bearing cover 8 is used for limiting the main bearing ring 7 in the bearing sleeve 5, the locking outer sleeve 6 consists of a whole circle part and an open ring part; a driving shaft of a servo motor 2 penetrates through a through hole of a motor base 1, a locking shaft sleeve 9 is tightly sleeved outside the driving shaft of the servo motor 2, the locking shaft sleeve 9 sequentially consists of a locking inner sleeve section, an outer thread ring section and a smooth shaft sleeve section, the locking inner sleeve section and an open ring part of a locking outer sleeve 6 are non-closed steel rings, the outer wall of the locking inner sleeve section is tightly abutted and fastened in the open ring part of the locking outer sleeve 6 through fastening screws, counter bores corresponding to bolt caps are uniformly distributed on the outer wall of the open ring part, influence on movable connection of the open ring part and a bearing sleeve 5 is avoided, the outer thread ring section is sleeved in the whole ring part of the locking outer sleeve 6 through threads, the outer wall of the smooth shaft sleeve section is movably sleeved in a hole of a bearing cover 8, and the end face of the smooth shaft; a T-shaped sliding groove is formed in one side, away from a driving shaft of the servo motor 2, of the sliding groove block 10, a sliding block 11 is matched in the T-shaped sliding groove, a first pin shaft 12 is fixedly connected to the sliding block 11, a first connecting shaft bearing block 13 is movably sleeved on the first pin shaft 12, an extending block is arranged on the side wall of the first connecting shaft bearing block 13, a screw hole is formed in the side wall of the extending block, a swinging connecting rod 14 is sleeved on the side wall of the extending block, the swinging connecting rod 14 is composed of a main rod section in the middle and screw rod sections at two ends of the main rod section, one end, away from the extending block of the first connecting shaft bearing block 13, of the swinging connecting rod 14 is sleeved on the screw hole of the extending block of the second connecting shaft bearing block 15, the second connecting shaft bearing block 15 is riveted at one end of an eccentric connecting rod 17 through a second pin shaft 16, the other end of the eccentric connecting rod 17 is clamped and fixed at one end of the swinging shaft 4 through a locking nut 18 and a locking ring, the locking nut 18 is used for fixing one end of the eccentric connecting rod 17 and the swinging shaft 4, and further enabling the swinging shaft 4 to rotate when one end of the eccentric connecting rod 17 rotates around the second pin shaft 16; the swing shaft 4 is sleeved with a swing shaft sleeve 19, two end faces of the swing head shaft base 3 are provided with through telescopic holes 20, and the swing shaft sleeve 19 is fixedly sleeved in the telescopic holes 20; the crack that communicates with telescopic hole 20 is seted up to 3 top surfaces of yaw axle bed, and the inside both sides wall in crack all is equipped with the screw, and the screw of crack both sides wall is connected through long bolt to 3 side of yaw axle bed to reach the function of expanding or reducing telescopic hole 20 internal diameter, be used for installation and locking swing axle sleeve 19, 3 another side of yaw axle bed is equipped with lug portion, and lug portion passes through bolt and motor cabinet 1 fastening connection, lug portion top surface still is equipped with the mounting hole.
Referring to FIG. 3, the swing shaft sleeve 19 includes an outer sleeve 19-1 and an inner spacer sleeve 19-2 movably sleeved in the outer sleeve 19-1, a shaft shoulder movably sleeved with the inner spacer sleeve 19-2 is provided in the middle of the swing shaft 4, two end faces of the inner spacer sleeve 19-2 are respectively abutted against the inner ring of the bearing ring 19-3, the opposite end faces of the two bearing rings 19-3 are abutted against a spring seat 19-4, one side of the spring seat 19-4 away from the bearing ring 19-3 is abutted against a spring, the spring is contacted with a thrust pad 19-5, one end face of the thrust pad 19-5 away from the spring seat 19-4 is contacted with an end cover 19-6, one side of the end cover 19-6 away from the thrust pad 19-5 is movably clamped with a locking nut cap 19-7, a central screw hole of the locking nut cap 19-7 is provided, the swing shaft 4 is provided with a screw thread portion matched with the screw hole of the locking nut cap 19-7, the end cap 19-6 is fastened by bolts at the end face edge of the outer sleeve 19-1. According to the invention, the inner spacer 19-2, the bearing ring 19-3, the spring seat 19-4, the thrust pad 19-5 and the locking nut cap 19-7 are movably sleeved with the outer sleeve 19-1, so that the torque borne by the swing shaft 4 can be effectively increased.
Referring to fig. 1, end-capped nuts are disposed at the ends of the first pin 12 and the second pin 16 for positioning.
Referring to fig. 3, the shaft wall of the portion of the swing shaft 4 sleeved with the eccentric connecting rod 17 is a tapered conical surface, so that the eccentric connecting rod 17 can be conveniently clamped on the swing shaft 4 in an interference manner by knocking.
Referring to fig. 2, a gasket is further arranged between the bearing sleeve 5 and the end face of the shell of the servo motor 2, so that the servo motor 2 is guaranteed to abut against the bearing sleeve 5, the bearing sleeve 5 plays a role in protecting the driving shaft, and the torque force born by the driving shaft can be properly increased.
The swing transmission principle of the invention is as follows: referring to fig. 1, the outer end surfaces of the locking nut 18, the second connecting bearing seat 15 and the first connecting bearing seat 13 are located on the same plane, so that the locking nut 18 can effectively block the second connecting bearing seat 15, the eccentric connecting rod 17 can only make reciprocating rotation at a certain angle around the oscillating shaft 4, meanwhile, the depth of the oscillating connecting rod 14 screwed into the second connecting bearing seat 15 and the first connecting bearing seat 13 limits the distance between the first pin shaft 12 and the second pin shaft 16, the first pin shaft 12 moves along with the sliding block 11, the sliding block 11 is influenced by centrifugal force and is easy to stay at the edge of the T-shaped sliding groove of the sliding groove block 10, a crank sliding block mechanism is formed, the length of the long arm oscillating rod of the crank sliding block mechanism can be adjusted, and the short arm eccentric connecting rod drives the central shaft oscillating shaft to rotate; the sliding block can not only do translational motion in the inner direction, but also rotate along with the driving shaft of the servo motor 2 along with the locking shaft sleeve 9, and is limited by the distance and the motion range of the sliding block 11 in the sliding groove block 10, and the second pin shaft 16 can only deflect at a certain small angle around the swinging shaft 4, so that the swinging angle, namely the amplitude, of the swinging shaft 4 is effectively controlled, the swinging frequency is the same as the rotating speed of the driving shaft of the servo motor 2, and if the rotating speed of the motor is 6000r/min, the swinging frequency is 100r/s, namely 100 times/s of the swinging shaft 4.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A novel swing driving mechanism for a super-fine machine swinging head comprises a servo motor (2) arranged on a motor base (1) and a swinging shaft (4) arranged in a swinging shaft base (3), and is characterized in that the motor base (1) is of a four-fold plate-shaped metal structure, a shell of the output side of the servo motor (2) is fastened on a panel of the motor base (1) through bolts, a through hole is formed in the panel, a bearing sleeve (5) is sleeved in the through hole of the motor base (1), the bearing sleeve (5) is formed by a small smooth ring sleeved in the through hole and a large smooth ring arranged outside the through hole in an integrated manner, the small smooth ring is fastened and connected with the motor base (1) through bolts arranged on the side wall of the motor base (1), a locking outer sleeve (6) is movably sleeved in the small smooth ring, a main bearing ring (7) is movably sleeved in the large smooth ring, the end face of the large smooth ring far away from the servo motor (2) is fastened with a bearing cover (8) through a bolt, the bearing cover (8) is used for limiting the main bearing ring (7) in the bearing sleeve (5), and the locking outer sleeve (6) consists of a whole ring part and an open ring part;
the driving shaft of the servo motor (2) passes through the through hole of the motor base (1), and a locking shaft sleeve (9) is tightly sleeved outside the driving shaft of the servo motor (2), the locking shaft sleeve (9) is composed of a locking inner sleeve section, an external thread ring section and a smooth shaft sleeve section in sequence, the locking inner sleeve section and the open loop part of the locking outer sleeve (6) are non-closed steel rings, the outer wall of the locking inner sleeve section is tightly propped against and fastened in the open loop part of the locking outer sleeve (6) through fastening screws, and counter bores corresponding to the bolt caps are uniformly distributed on the outer wall of the open-loop part, so that the movable connection between the open-loop part and the bearing sleeve (5) is prevented from being influenced, the external thread ring section is sleeved in the whole ring part of the locking outer sleeve (6) through threads, the outer wall of the smooth shaft sleeve section is movably sleeved in a hole of a bearing cover (8), and the end face of the smooth shaft sleeve section is fixedly connected with a sliding groove block (10);
a T-shaped sliding groove is formed in one side, away from a driving shaft of the servo motor (2), of the sliding groove block (10), a sliding block (11) is matched in the T-shaped sliding groove, a first pin shaft (12) is fixedly connected to the sliding block (11), a first connecting shaft base (13) is movably sleeved on the first pin shaft (12), an extending block is arranged on the side wall of the first connecting shaft base (13), a screw hole is formed in the side wall of the extending block, a swinging connecting rod (14) is sleeved on the side wall of the extending block, the swinging connecting rod (14) is composed of a main rod section in the middle and screw rod sections at two ends of the main rod section, one end, away from the extending block of the first connecting shaft base (13), of the swinging connecting rod (14) is sleeved at the screw hole of an extending block of a second connecting shaft base (15), the second connecting shaft base (15) is riveted at one end of an eccentric connecting rod (17) through a second pin shaft (16), and the other end of the eccentric connecting rod (17) is clamped and fixed at one end of the swinging shaft (4) through a locking nut (18) and a locking ring, the locking nut (18) is used for fixing one end of the eccentric connecting rod (17) and the swinging shaft (4), and therefore when one end of the eccentric connecting rod (17) rotates around the second pin shaft (16), the swinging shaft (4) at the other end can rotate;
the swing shaft (4) is sleeved with a swing shaft sleeve (19), two end faces of the swing head shaft seat (3) are provided with penetrating telescopic holes (20), and the swing shaft sleeve (19) is fixedly sleeved in the telescopic holes (20); the top surface of the swing head shaft seat (3) is provided with a crack communicated with the telescopic hole (20), screw holes are formed in two side walls inside the crack, one side surface of the swing head shaft seat (3) is connected with the screw holes in the two side walls of the crack through long bolts, so that the function of expanding or reducing the inner diameter of the telescopic hole (20) is achieved, the swing head shaft seat is used for installing and locking a swing shaft sleeve (19), the other side surface of the swing head shaft seat (3) is provided with a convex block part, the convex block part is fixedly connected with the motor base (1) through bolts, and the top surface of the convex block part is also provided with an installation hole;
the outer end faces of the locking nut (18), the second connecting bearing seat (15) and the first connecting bearing seat (13) are located on the same plane.
2. The novel swing driving mechanism for the swing head of the super-fine machine according to claim 1, wherein the swing shaft sleeve (19) comprises an outer sleeve (19-1) and an inner spacer sleeve (19-2) movably sleeved in the outer sleeve (19-1), a shaft shoulder movably sleeved with the inner spacer sleeve (19-2) is arranged in the middle of the swing shaft (4), two end faces of the inner spacer sleeve (19-2) respectively abut against the inner ring of the bearing ring (19-3), a spring seat (19-4) abuts against the opposite end faces of the two bearing rings (19-3), a spring abuts against one side of the spring seat (19-4) far away from the bearing ring (19-3), the spring contacts with a thrust pad (19-5), and one end face of the thrust pad (19-5) far away from the spring seat (19-4) contacts with an end cover (19-6), one side, far away from the thrust pad (19-5), of the end cover (19-6) is movably clamped with a locking nut cap (19-7), a screw hole is formed in the center of the locking nut cap (19-7), the swinging shaft (4) is provided with a screw thread portion matched with the screw hole of the locking nut cap (19-7), and the end cover (19-6) is fastened at the edge of the end face of the outer sleeve (19-1) through a bolt.
3. The novel swing driving mechanism for the swing head of the superfinishing machine according to claim 1, wherein the ends of the first pin (12) and the second pin (16) are provided with end-capped nuts.
4. The novel swing driving mechanism for the swing head of the superfinishing machine according to claim 1, wherein a part of the shaft wall of the swing shaft (4) sleeved with the eccentric connecting rod (17) is a tapered conical surface.
5. The novel swing driving mechanism for the swing head of the superfinishing machine according to claim 1, wherein a gasket is further arranged between the bearing sleeve (5) and the end face of the shell of the servo motor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110547446.6A CN113414704B (en) | 2021-05-19 | 2021-05-19 | Novel swing driving mechanism for swing head of super-finishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110547446.6A CN113414704B (en) | 2021-05-19 | 2021-05-19 | Novel swing driving mechanism for swing head of super-finishing machine |
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| Publication Number | Publication Date |
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| CN113414704A true CN113414704A (en) | 2021-09-21 |
| CN113414704B CN113414704B (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110547446.6A Active CN113414704B (en) | 2021-05-19 | 2021-05-19 | Novel swing driving mechanism for swing head of super-finishing machine |
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| CN212314876U (en) * | 2020-05-13 | 2021-01-08 | 东莞市联浩包装设备有限公司 | Feeding machine |
| CN112428135A (en) * | 2020-12-03 | 2021-03-02 | 浙江盛达智能装备有限公司 | Spherical roller superfinishing machine |
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| CN107073673A (en) * | 2014-06-23 | 2017-08-18 | 纳格尔机械及工具制造厂有限责任公司 | The method and apparatus of the circumferential surface of the workpiece section rotationally symmetrical for polishing |
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| DE102017110872A1 (en) * | 2017-05-18 | 2018-11-22 | Supfina Grieshaber Gmbh & Co. Kg | Finishing device and method for setting up and operating a finishing device |
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| CN112428135A (en) * | 2020-12-03 | 2021-03-02 | 浙江盛达智能装备有限公司 | Spherical roller superfinishing machine |
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| CN113414704B (en) | 2022-06-21 |
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