CN221270352U

CN221270352U - Pneumatic clamping shaft rotating device

Info

Publication number: CN221270352U
Application number: CN202322977977.6U
Authority: CN
Inventors: 李水军
Original assignee: Shaoxing Zhili Electromechanical Technology Co ltd
Current assignee: Shaoxing Zhili Electromechanical Technology Co ltd
Filing date: 2023-11-05
Publication date: 2024-07-05
Anticipated expiration: 2033-11-05

Abstract

The technical scheme discloses a pneumatic clamping shaft rotating device which comprises a clamping shaft mechanism, a redundant nozzle and a driving mechanism; the clamping shaft mechanism comprises a nozzle sleeve, an indexing shaft, a pull rod, a cylinder body, a piston, a thrust ball bearing, a screwing nut, a piston sleeve, an angular contact ball bearing and a shaft sleeve; the inside of the mouth sleeve is hollow, the tremble mouth is arranged at the hollow position of the mouth sleeve, the end part of the tremble mouth is a conical surface, and the hollow corresponding position of the inside of the mouth sleeve is also a conical surface; the said cord mouth is fixed with the indexing shaft, the indexing shaft is hollow round shaft structure, the tie rod penetrates the said indexing shaft and mouth sleeve; the piston is arranged in the cylinder body, a gap is formed between the piston and the cylinder body, an air inlet hole is formed in the cylinder body, and the air inlet hole is communicated with the gap so that the piston transversely reciprocates; the thrust ball bearing is arranged at the hollow position of the piston and is matched with the indexing shaft together with the screwing nut, one side of the piston is provided with a piston sleeve, and the piston sleeve is simultaneously matched with one side of the cylinder body; the shaft sleeve is matched with one side of the cylinder body through an angular contact ball bearing. The technical problem that this technical scheme solved is: a pneumatic clamping shaft rotating mechanism is designed.

Description

Pneumatic clamping shaft rotating device

Technical Field

The utility model relates to a mechanical clamping shaft device which adopts a pneumatic driving mode to carry out clamping shaft operation.

Background

The motor rotor needs to be clamped and rotated in the whole manufacturing process to facilitate winding, the existing clamping shaft rotating structure is various, the rotation is basically realized by a rotating driving mechanism such as a synchronous wheel and a synchronous belt driven by a motor to operate, the structure of the clamping shaft is various, such as a flexible nozzle clamping and fixing mechanism disclosed in China patent number 202020097299.8, the flexible nozzle is directly pushed by a cylinder to act on a telescopic sleeve to perform front-back clamping shaft operation on the flexible nozzle, and certain defects such as insufficient clamping force exist in practical application.

Disclosure of utility model

The utility model aims to provide a pneumatic clamping shaft rotating device, which solves the technical problems that: a pneumatic clamping shaft rotating mechanism is designed.

The pneumatic clamping shaft rotating device comprises a clamping shaft mechanism, a cord mouth and a driving mechanism; the clamping shaft mechanism comprises a nozzle sleeve, an indexing shaft, a pull rod, a cylinder body, a piston, a thrust ball bearing, a screwing nut, a piston sleeve, an angular contact ball bearing and a shaft sleeve; the inside of the mouth sleeve is hollow, the tremble mouth is arranged at the hollow position of the mouth sleeve, the end part of the tremble mouth is a conical surface, and the hollow corresponding position of the inside of the mouth sleeve is also a conical surface; the said cord mouth is fixed with the indexing shaft, the indexing shaft is hollow round shaft structure, the tie rod penetrates the said indexing shaft and mouth sleeve; the piston is arranged in the cylinder body, a gap is formed between the piston and the cylinder body, an air inlet hole is formed in the cylinder body, and the air inlet hole is communicated with the gap so that the piston transversely reciprocates; the thrust ball bearing is arranged at the hollow position of the piston and is matched with the indexing shaft together with the screwing nut, one side of the piston is provided with a piston sleeve, and the piston sleeve is simultaneously matched with one side of the cylinder body; the shaft sleeve is matched with one side of the cylinder body through an angular contact ball bearing; the driving mechanism comprises a motor, two synchronous wheels and a synchronous belt; the two synchronizing wheels are matched through a synchronous belt, one synchronizing wheel is arranged on the motor, and the other synchronizing wheel is arranged on the cylinder body.

The two ends of the mouth sleeve are opened, screw holes are formed in the positions, matched with the dividing plate, of the mouth sleeve, and the mouth sleeve is arranged on the screw holes through screws and is mutually fixed with the dividing plate.

The cylinder body is provided with a first side cylinder and a second side cylinder and is arranged on two sides of the piston, a hollow end cap is arranged between the first side cylinder and the indexing shaft, a screw hole is formed in the end cap, the end cap is fixed with the first side cylinder through the arrangement of a screw on the screw hole, and a linear bearing is arranged in the first side cylinder to be matched with the indexing shaft.

The first side cylinder and the second side cylinder are respectively provided with an air inlet hole, the cylinder body is also provided with a hollow circular cylinder cap, and the cylinder caps are respectively in sealing fit with the first side cylinder, the piston and the second side cylinder.

The inner surface and the outer surface of the piston are both provided with empty grooves, the outer surface is provided with a sealing ring, and the inner surface is provided with the thrust ball bearing for matching.

The piston sleeve is respectively sealed with the piston and the second side cylinder through sealing rings.

The outer surface of the shaft sleeve is matched with the second side cylinder through an angular contact ball bearing.

The motor is provided with a clamping plate which is simultaneously fixedly matched with the second side cylinder.

And one side of the angular contact ball bearing is provided with a bearing cover, the bearing cover is provided with a screw hole, and the screw hole is provided with a screw to fix the bearing cover on the second side cylinder.

The other synchronizing wheel is arranged on the second side cylinder, a groove is formed in the synchronizing wheel, and the bearing cover is arranged at the position of the groove; a locking block and a limiting block are fixed on the synchronous wheel through screws, and the limiting block is positioned in the locking block; the locking block is provided with a screw which is matched with the corresponding position of the pull rod.

The beneficial effects of the utility model are as follows: through designing the cylinder body, the piston can be enabled to stably and transversely reciprocate by utilizing external high-pressure gas, so that the indexing shaft and the nozzle sleeve are driven to transversely move, and the compaction action of the redundant nozzle is completed.

Drawings

FIG. 1 is a schematic view of a pneumatic clamp shaft rotating device;

FIG. 2 is a schematic view of a pneumatic clamp shaft rotation device at another angle;

FIG. 3 is a schematic view of a clamp shaft structure;

FIG. 4 is an exploded schematic view of the clamp shaft structure of FIG. 3;

FIG. 5 is an exploded view of another angle of the clamp shaft structure of FIG. 3;

FIG. 6 is an exploded view of another angle of the clamp shaft structure of FIG. 3;

FIG. 7 is an exploded view of the clamp shaft structure of FIG. 6 with parts removed;

FIG. 8 is an internal cross-sectional view of the pneumatic clamp shaft rotating device;

In the figure

1. The driving mechanism, 11, the motor, 12, the synchronizing wheel, 121, the groove and 13, the synchronous belt;

2. b, mouth cutting;

3. The hydraulic cylinder comprises a clamping shaft mechanism, 31, a mouth sleeve and 32, an indexing shaft, 321, an expansion part, 33, a pull rod and 34, a cylinder body and 341, a first side cylinder, 3411, an air inlet hole and 342, a second side cylinder, 343, a cylinder cap, 35, a piston, 351, a hollow groove and 36, a thrust ball bearing, 37, a screwing nut and 38, a piston sleeve and 39, an angular contact ball bearing, 310, a shaft sleeve and 311, a linear bearing, 312, a sealing ring and 313, end caps and 314, and a bearing cover.

4. A clamping plate;

5. A locking block;

6. and a limiting block.

Detailed Description

Referring to fig. 1 to 8, a pneumatic clamping shaft rotating device is provided with a driving mechanism 1, a redundancy mouth 2 and a clamping shaft mechanism 3; wherein the driving mechanism 1 is used for driving the beaten mouth 2 to rotate, the beaten mouth 2 is used for fixing a fixed shaft, and the shaft clamping mechanism 3 is used for driving the mouth sleeve 31 to transversely reciprocate through the piston 35 to act on the beaten mouth 2. In practical applications, the above mechanism may be optimized again.

The driving mechanism 1 in the figure is designed with a motor 11, two synchronous wheels 12 and a synchronous belt 13; one of the synchronizing wheels 12 is arranged on the motor 11, and the other synchronizing wheel 12 is arranged on the clamping shaft mechanism 3, so that the first synchronizing wheel 12 and the second synchronizing wheel 12 drive the pull rod 33 to rotate. The motor 11, the synchronizing wheel 12 and the synchronous belt 13 are assembled by adopting the conventional components or adopting the structure shown in the drawing and according to the assembly relation shown in the drawing. The motor 11 is provided with a clamping plate 4 having a plate-like structure, so that the clamping plate 4 is also mounted on the second side cylinder 342, thereby fixing the second side cylinder 342 and the motor 11 to each other. To facilitate the installation of the second side cylinder 342 of the spindle unit 3, the groove 121 may be designed on the second synchronizing wheel 12 at the position near the second side cylinder 342, so that the bearing cap 314 at the corresponding position is installed at the position of the groove 121. Simultaneously, the synchronous wheel 12 is also provided with a locking block 5 and a limiting block 6 which are fixed by screws, and the limiting block 6 is positioned in the locking block 5; the locking block 5 is provided with screws and a pull rod 33 which are arranged at corresponding positions. In practical applications, other rotation mechanisms may be used, such as a combination of the motor 11 and a lever or other component.

The figure shows a figure with a figure of a conventional part, the outwardly facing end of which is of conical surface construction and has a plurality of interstices, the inward facing end has a cavity to facilitate assembly with the tie rod 33. The outward end of the flexible tap 2 is provided with a gap to form an elastic structure, so that the tap sleeve 31 can firmly fix the rotating shaft when aligned and pressed.

The clamping shaft mechanism 3 in the figure is designed with a nozzle sleeve 31, an indexing shaft 32, a pull rod 33, a cylinder body 34, a piston 35, two thrust ball bearings 36, a screwing nut 37, a piston sleeve 38, three angular contact ball bearings 39, a shaft sleeve 310, sealing rings 312, linear bearings 311 and other accessories. The mouth sleeve 31 is a round shaft body structure, two ends of the mouth sleeve are open, and the inside of the mouth sleeve is a hollow structure, so that the inside of the mouth sleeve 31 is convenient for arranging the beaten mouth 2 and a part of the pull rod 33. The tip cover 31 is also designed with a conical surface at a position matching with the conical surface of the beaten tip 2, and is designed with a plurality of screw holes at a position matching with the indexing shaft 32, such as the position of the expansion portion 321 in the figure, so that the tip cover can be mounted on the screw holes by screws and the indexing shaft 32. The index shaft 32 is also hollow and has two open ends, so that the pull rod 33 can be conveniently penetrated and fixed with the beaten mouth 2. The index shaft 32 has a stepped structure, and may have a linear bearing 311, a thrust ball bearing 36, a screw nut 37, a bearing housing, and the like on its outer surface. The pull rod 33 has a round rod-shaped structure, one end of the pull rod is assembled with the line mouth 2 in an interference manner, and the other end of the pull rod is provided with a limiting block 6 and a screw and locking block 5 which are in an I-shaped structure and are fixed on the second synchronous wheel 12. The cylinder body 34 is designed with two parts, namely a first side cylinder 341, a second side cylinder 342 and a cylinder cap 343; The first side cylinder 341 is provided with an air inlet hole 3411 at the top, the air inlet hole 3411 penetrates through the cylinder body of the first side cylinder 341 integrally so as to guide external high-pressure air into the cavity in the cylinder body 34, as shown in the figure, the first side cylinder 341 is provided with a hollow end cap 313 structure on the outer side surface, and the end cap 313 is also provided with a screw hole and a screw structure; the first side cylinder 341 is also provided with a linear bearing 311 to be engaged with the index shaft 32. The second side cylinder 342 is also provided with an air intake hole 3411 at its top position as shown in the drawing and also integrally penetrates the cylinder body of the second side cylinder 342 so that external high pressure air can be introduced into the cavity in the cylinder body 34, thus forming a high pressure air flow with the first side cylinder 341. The cylinder cap 343 is of hollow annular structure, which seals the two side cylinders and the piston 35 by means of the sealing ring 312, the cylinder cap 343 being located between the first side cylinder 341 and the second side cylinder 342. The piston 35 is a conventional component and is located in the cylinder 34 between the first side cylinder 341 and the second side cylinder 342, and the piston 35 and the inner wall of the cylinder 34 have a gap to be communicated with an air inlet hole 3411 on the cylinder 34, so that the piston 35 can transversely reciprocate under the action of external high-pressure air. The hollow inside of the piston 35 is convenient for penetrating the indexing shaft 32, the piston 35 is provided with a hollow groove 351 at the position matched with the indexing shaft 32, such as the position of the inner surface in the figure, so that two thrust ball bearings 36 are mounted, simultaneously, the two thrust ball bearings 36 are firmly fixed through a step part and a screwing nut 37, and the outer surface of the piston 35 is also provided with a hollow groove 351 structure, thus being convenient for placing the sealing ring 312. The piston 35 is provided with a piston sleeve 38, so that the piston sleeve 38 is assembled with the piston 35 at one side position and is assembled with the index shaft 32 and the second side cylinder 342 at the other side position, and a sealing ring 312 is arranged between the piston sleeve 38 and the second side cylinder 342. A sleeve 310 is also provided adjacent to the second side cylinder 342, and the sleeve 310 is fitted over the index shaft 32 and the outer surface is fitted with an angular ball bearing 39 again to the second side cylinder 342. The bearing cap 314 is mounted on one side of the angular ball bearing 39, and screw holes and screw members are correspondingly disposed on the bearing cap 314, so that the bearing cap 314 is mounted on the second side cylinder 342, thereby limiting and fixing the three angular ball bearings 39.

When the motor 11 rotates, the motor 11 drives the second synchronous wheel 12 to rotate through the first synchronous wheel 12 and the synchronous belt 13, so that the pull rod 33 and the flexible nozzle 2 can be rotated through the locking block 5 and the limiting block 6, and when the flexible nozzle 2 needs to be extruded, the piston 35 can be enabled to move transversely through charging high-pressure gas, and the piston 35 drives the index shaft 32 and the nozzle sleeve 31 to move transversely in sequence.

The above-described specific embodiments are merely for explaining the present technical solution, and are not intended to limit the present technical solution. In the description of the present technical solution, it should be noted that the terms such as "upper", "inner", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and are merely for convenience of describing the present technical solution and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present technical solution.

Meanwhile, in the description of the present technical solution, it should be noted that, unless explicitly specified and limited otherwise, the terms "fixed", "fitting", and "fitting" should be construed broadly, and may be, for example, a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present technical solution can be understood by those skilled in the art according to specific circumstances.

Although embodiments of the present technology have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the technology, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Pneumatic clamp axle rotary device, its characterized in that: comprises a shaft clamping mechanism (3), a tremble nozzle (2) and a driving mechanism (1); the clamping shaft mechanism (3) comprises a nozzle sleeve (31), an indexing shaft (32), a pull rod (33), a cylinder body (34), a piston (35), a thrust ball bearing (36), a screwing nut (37), a piston sleeve (38), an angular contact ball bearing (39) and a shaft sleeve (310); the inside of the mouth sleeve (31) is hollow, the tremble mouth (2) is arranged at the hollow position of the mouth sleeve (31), the end position of the tremble mouth (2) is a conical surface, and the corresponding hollow position in the mouth sleeve (31) is also a conical surface; the said cord mouth (2) is fixed with the index shaft (32), the index shaft (32) is hollow round shaft structure, the draw bar (33) penetrates the said index shaft (32) and mouth sleeve (31); the piston (35) is arranged in the cylinder body (34), a gap is formed between the piston (35) and the cylinder body (34), an air inlet hole (3411) is formed in the cylinder body (34), and the air inlet hole (3411) is communicated with the gap so that the piston (35) transversely reciprocates; the thrust ball bearing (36) is arranged at the hollow position of the piston (35) and is matched with the indexing shaft (32) together with the screwing nut (37), one side of the piston (35) is provided with a piston sleeve (38), and the piston sleeve (38) is matched with one side of the cylinder body (34) at the same time; the shaft sleeve (310) is matched with one side of the cylinder body (34) through an angular contact ball bearing (39); the driving mechanism (1) comprises a motor (11), two synchronous wheels (12) and a synchronous belt (13); two synchronizing wheels (12) are matched through a synchronous belt (13), one synchronizing wheel (12) is arranged on the motor (11), and the other synchronizing wheel (12) is arranged on the cylinder body (34).

2. The pneumatic clamp shaft rotating device of claim 1, wherein: the two ends of the mouth sleeve (31) are provided with openings, screw holes are formed in the positions, matched with the dividing disc, of the mouth sleeve (31), and the mouth sleeve (31) is arranged on the screw holes through screws and is mutually fixed with the dividing disc.

3. The pneumatic clamp shaft rotating device of claim 2, wherein: the indexing shaft (32) is provided with openings at two ends, the cylinder body (34) is provided with a first side cylinder (341) and a second side cylinder (342) and is arranged at two sides of the piston (35), a hollow end cap (313) is arranged between the first side cylinder (341) and the indexing shaft (32), a screw hole is formed in the end cap (313), the end cap (313) is fixed with the first side cylinder (341) through the screw arrangement on the screw hole, and a linear bearing (311) is arranged in the first side cylinder (341) and matched with the indexing shaft (32).

4. A pneumatic clamp shaft rotating apparatus as claimed in claim 3, wherein: the first side cylinder (341) and the second side cylinder (342) are respectively provided with an air inlet hole (3411), the cylinder body (34) is also provided with a hollow circular cylinder cap (343), and the cylinder caps (343) are respectively in sealing fit with the first side cylinder (341), the piston (35) and the second side cylinder (342).

5. The pneumatic clamp shaft rotating device of claim 4, wherein: the inner surface and the outer surface of the piston (35) are respectively provided with a groove (121), the outer surface is provided with a sealing ring (312), and the inner surface is provided with the thrust ball bearing (36) for matching.

6. The pneumatic clamp shaft rotating device of claim 5, wherein: the piston sleeve (38) is respectively sealed with the piston (35) and the second side cylinder (342) through a sealing ring (312).

7. The pneumatic clamp shaft rotating device of claim 6, wherein: the outer surface of the shaft sleeve (310) is matched with the second side cylinder (342) through an angular contact ball bearing (39).

8. The pneumatic clamp shaft rotating device of claim 7, wherein: the motor (11) is provided with a clamping plate (4), and the clamping plate (4) is fixedly matched with the second side cylinder (342) at the same time.

9. The pneumatic clamp shaft rotating device of claim 8, wherein: a bearing cap (314) is arranged on one side of the angular ball bearing (39), a screw hole is formed in the bearing cap (314), and a screw is arranged in the screw hole to fix the bearing cap (314) to the second side cylinder (342).

10. The pneumatic clamp shaft rotating device of claim 9, wherein: the other synchronizing wheel (12) is arranged on the second side cylinder (342), a groove (121) is formed in the synchronizing wheel (12), and a bearing cover (314) is arranged at the position of the groove (121); a locking block (5) and a limiting block (6) are fixed on the synchronous wheel (12) through screws, and the limiting block (6) is positioned in the locking block (5); the locking block (5) is provided with a screw which is matched with the corresponding position of the pull rod (33).