CN219169701U

CN219169701U - Milling device

Info

Publication number: CN219169701U
Application number: CN202320257353.4U
Authority: CN
Inventors: 俞志洪
Original assignee: Hangzhou Ludi Machinery Co ltd
Current assignee: Hangzhou Ludi Machinery Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-06-13
Anticipated expiration: 2033-02-09

Abstract

The utility model relates to the technical field of spline shaft processing, in particular to a milling device, which comprises a base; the base is provided with a mounting frame, the inner side of the mounting frame is provided with a mounting plate, and the mounting frame is provided with a power assembly A for driving the mounting plate to rotate; the mounting plate is rotatably provided with a movable sleeve penetrating through two ends of the movable sleeve, and the mounting plate is provided with a power component B for driving the movable sleeve to rotate; a supporting plate is fixed on the outer side of the movable sleeve, a servo motor C is installed on the supporting plate, and a milling cutter head is installed on an output shaft of the servo motor C; both sides of the movable sleeve are provided with fixed sleeves; and a plurality of groups of compacting components are arranged on the fixed sleeve along the annular array. The milling cutter head can conveniently adjust the machining position of the milling cutter head on the spline shaft, is convenient to operate, can fix spline shafts with different diameters, and is high in applicability.

Description

Milling device

Technical Field

The utility model relates to the technical field of spline shaft machining, in particular to a milling device.

Background

The spline shaft is mechanically driven, and has the same function as that of flat key, semi-circular key and inclined key, and is used to transmit mechanical torque. While rotating, some may also slide longitudinally on the shaft, such as a gearbox shift gear or the like.

The Chinese patent with the publication number of CN211101959U discloses a spline shaft milling device, which comprises a base plate, the top both ends of bottom plate are all connected with the backup pad perpendicularly, two the backup pad is close to each other one side symmetry be provided with fixture, just the top of bottom plate is vertical to be provided with solid fixed ring, gu fixed ring's upper and lower extreme is connected with actuating mechanism jointly gu fixed ring's bilateral symmetry is provided with milling mechanism.

The above-mentioned published patents still have the following drawbacks during actual operation: 1. the rotation angle of the milling cutter head is inconvenient to adjust, when a plurality of key grooves are required to be cut, the spline shaft is required to be unfixed, then the spline shaft is driven to rotate to a set position, and the operation process is complicated; 2. the spline shafts with different diameters are not convenient to fix and clamp, and the applicability is low.

Disclosure of Invention

The utility model aims at solving the technical problems in the background art and provides a milling device.

The technical scheme of the utility model is as follows: a milling device comprising a base; the base is provided with a mounting frame which is of an n-shaped structure, the inner side of the mounting frame is provided with a mounting plate, and the mounting frame is provided with a power assembly A for driving the mounting plate to rotate; the mounting plate is rotatably provided with a movable sleeve penetrating through two ends of the movable sleeve, and the mounting plate is provided with a power component B for driving the movable sleeve to rotate; a supporting plate is fixed on the outer side of the movable sleeve, a servo motor C is installed on the supporting plate, a milling cutter head is installed on an output shaft of the servo motor C, and a through hole for the milling cutter head to penetrate is formed in the movable sleeve; the two sides of the movable sleeve are respectively provided with a fixed sleeve, the lower part of the fixed sleeve is fixedly connected with a movable bracket, and the mounting frame is provided with a power component C for driving the two movable brackets to approach or separate from each other; the fixed sleeve is provided with a plurality of groups of compacting pieces along the annular array, each compacting piece comprises a pressing plate, a movable rod, a hemispherical block and a spring, the movable rod movably penetrates through the side wall of the fixed sleeve, the pressing plate and the hemispherical block are respectively connected with the inner end and the outer end of the movable rod, the spring is sleeved on the movable rod, the outer side of the fixed sleeve is sleeved with a horn cover, and a linear driving mechanism A for driving the horn cover to move is mounted on the movable support.

Preferably, a sliding plate is slidably arranged on the supporting plate, the servo motor C is fixedly arranged on the sliding plate, the bottom end of the sliding plate is fixedly provided with a connecting plate, and a linear driving mechanism B for driving the connecting plate to move is arranged on the supporting plate.

Preferably, the power assembly A comprises a servo motor D, a gear and a toothed ring, wherein the servo motor D is arranged on the mounting plate, the gear is fixed on an output shaft of the servo motor D, the toothed ring is fixed on the periphery of the movable sleeve, and the toothed ring is meshed with the gear.

Preferably, power component B includes servo motor B, threaded rod and guide bar B, and guide bar B fixes on the mounting bracket, and the mounting panel slides and sets up on guide bar B, and the threaded rod rotates and sets up on the mounting bracket, mounting panel and threaded rod threaded connection, and servo motor B sets up on the mounting bracket and its output shaft is connected with the threaded rod.

Preferably, power component C includes servo motor A, two-way lead screw and guide bar A, and guide bar A fixes on the mounting bracket, and two movable support all slide and set up on guide bar A, and two movable support rotate and set up on the mounting bracket, and two movable support symmetry set up on two-way lead screw and all with two-way lead screw threaded connection, servo motor A sets up on the mounting bracket and its output shaft is connected with two-way lead screw.

Preferably, a plurality of universal wheels are installed at the bottom end of the base.

Preferably, the two sides of the mounting frame are provided with perforations.

Preferably, the two fixed sleeves are arranged coaxially with the moving sleeve.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial technical effects: in the process of milling a key groove of the spline shaft body, the movable sleeve can be driven to rotate through the arranged power assembly A, and the position of the milling cutter head can be adjusted, so that the machining position of the milling cutter head on the spline shaft body can be adjusted conveniently; the linear driving mechanism A drives the horn cover to move to one side of the movable sleeve, and the movable rod moves to the center of the fixed sleeve under the extrusion of the horn cover, so that the clamping and fixing work of the spline shaft body can be realized; in conclusion, the milling cutter head can conveniently adjust the machining position of the milling cutter head on the spline shaft, is convenient to operate, and can fix spline shafts with different diameters, so that the applicability is strong.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 and 3 are schematic structural views of the moving sleeve and the mounting plate according to the present utility model.

Fig. 4 is a schematic view of a partial enlarged structure at a in fig. 1.

Reference numerals: 1. a base; 2. a mounting frame; 201. perforating; 3. moving the sleeve; 4. fixing the sleeve; 5. a horn cover; 6. a movable support; 7. a universal wheel; 81. a servo motor A; 82. a two-way screw rod; 91. a servo motor B; 92. a threaded rod; 10. a guide rod A; 11. a guide rod B; 12. a spline shaft body; 13. a mounting plate; 14. a linear driving mechanism A; 15. a support plate; 16. a servo motor C; 17. a linear driving mechanism B; 18. milling a cutter head; 19. a slide plate; 20. a connecting plate; 21. a servo motor D; 22. a gear; 23. a toothed ring; 24. a pressing plate; 25. a movable rod; 26. hemispherical blocks; 27. and (3) a spring.

Detailed Description

As shown in fig. 1-4, a milling device according to the present utility model comprises a base 1; the bottom end of the base 1 is provided with a plurality of universal wheels 7; the base 1 is provided with a mounting frame 2, the mounting frame 2 is of an n-shaped structure, two sides of the mounting frame 2 are provided with perforations 201, the inner side of the mounting frame 2 is provided with a mounting plate 13, the mounting frame 2 is provided with a power assembly A for driving the mounting plate 13 to rotate, the power assembly A comprises a servo motor D21, a gear 22 and a toothed ring 23, the servo motor D21 is arranged on the mounting plate 13, the gear 22 is fixed on an output shaft of the servo motor D21, the toothed ring 23 is fixed on the periphery of the movable sleeve 3, and the toothed ring 23 is in meshed connection with the gear 22; the mounting plate 13 is rotatably provided with a movable sleeve 3 penetrating through two ends of the movable sleeve, the mounting plate 13 is provided with a power component B for driving the movable sleeve 3 to rotate, the power component B comprises a servo motor B91, a threaded rod 92 and a guide rod B11, the guide rod B11 is fixed on the mounting frame 2, the mounting plate 13 is slidably arranged on the guide rod B11, the threaded rod 92 is rotatably arranged on the mounting frame 2, the mounting plate 13 is in threaded connection with the threaded rod 92, the servo motor B91 is arranged on the mounting frame 2, and an output shaft of the servo motor B91 is connected with the threaded rod 92; a supporting plate 15 is fixed on the outer side of the movable sleeve 3, a servo motor C16 is installed on the supporting plate 15, a milling cutter head 18 is installed on an output shaft of the servo motor C16, and a through hole for the milling cutter head 18 to penetrate is formed in the movable sleeve 3; a slide plate 19 is slidably arranged on the support plate 15, a servo motor C16 is fixedly arranged on the slide plate 19, a connecting plate 20 is fixed at the bottom end of the slide plate 19, a linear driving mechanism B17 for driving the connecting plate 20 to move is arranged on the support plate 15, the linear driving mechanism B17 can drive the servo motor C16 to move, and then the milling cutter head 18 is driven to move, so that the cutting depth is adjustable; the two sides of the movable sleeve 3 are respectively provided with a fixed sleeve 4, the two fixed sleeves 4 and the movable sleeve 3 are coaxially arranged, the lower part of the fixed sleeve 4 is fixedly connected with a movable support 6, a power component C for driving the two movable supports 6 to be close to or far away from each other is arranged on the mounting frame 2, the power component C comprises a servo motor A81, a bidirectional screw rod 82 and a guide rod A10, the guide rod A10 is fixed on the mounting frame 2, the two movable supports 6 are slidably arranged on the guide rod A10, the bidirectional screw rod 82 is rotatably arranged on the mounting frame 2, the two movable supports 6 are symmetrically arranged on the bidirectional screw rod 82 and are in threaded connection with the bidirectional screw rod 82, and the servo motor A81 is arranged on the mounting frame 2 and an output shaft of the servo motor A81 is connected with the bidirectional screw rod 82; the fixed sleeve 4 is provided with a plurality of groups of compacting pieces along the annular array, each compacting piece comprises a pressing plate 24, a movable rod 25, a hemispherical block 26 and a spring 27, the movable rod 25 movably penetrates through the side wall of the fixed sleeve 4, the pressing plate 24 and the hemispherical block 26 are respectively connected with the inner end and the outer end of the movable rod 25, the spring 27 is sleeved and installed on the movable rod 25, the outer side of the fixed sleeve 4 is sleeved with a horn cover 5, and a linear driving mechanism A14 for driving the horn cover 5 to move is installed on the movable support 6.

The working principle of the utility model is as follows: in the process of milling a key groove of the spline shaft body 12, the movable sleeve 3 can be driven to rotate through the arranged power assembly A, and the position of the milling cutter head 18 can be adjusted, so that the machining position of the milling cutter head 18 on the spline shaft body 12 can be conveniently adjusted; the linear driving mechanism A14 drives the horn cover 5 to move to one side of the movable sleeve 3, and the movable rod 25 moves to the center of the fixed sleeve 4 under the extrusion of the horn cover 5, so that the clamping and fixing work of the spline shaft body 12 can be realized; in summary, the milling cutter head 18 can conveniently adjust the machining position of the milling cutter head on the spline shaft, is convenient to operate, and can also fix spline shafts with different diameters, so that the applicability is strong.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. Milling device, characterized by comprising a base (1); the base (1) is provided with a mounting frame (2), the mounting frame (2) is of an n-shaped structure, the inner side of the mounting frame (2) is provided with a mounting plate (13), and the mounting frame (2) is provided with a power assembly A for driving the mounting plate (13) to rotate; the mounting plate (13) is rotatably provided with a movable sleeve (3) penetrating through two ends of the movable sleeve, and the mounting plate (13) is provided with a power component B for driving the movable sleeve (3) to rotate; a supporting plate (15) is fixed on the outer side of the movable sleeve (3), a servo motor C (16) is arranged on the supporting plate (15), a milling cutter head (18) is arranged on an output shaft of the servo motor C (16), and a through hole for the milling cutter head (18) to penetrate is formed in the movable sleeve (3); both sides of the movable sleeve (3) are provided with fixed sleeves (4), the lower parts of the fixed sleeves (4) are fixedly connected with movable brackets (6), and the mounting frame (2) is provided with a power component C for driving the two movable brackets (6) to be close to or far away from each other; the fixed sleeve (4) is provided with a plurality of groups of compacting pieces along the annular array, each compacting piece comprises a pressing plate (24), a movable rod (25), a hemispherical block (26) and a spring (27), the movable rod (25) movably penetrates through the side wall of the fixed sleeve (4), the pressing plates (24) and the hemispherical blocks (26) are connected with the inner end and the outer end of the movable rod (25) respectively, the springs (27) are sleeved and installed on the movable rod (25), the outer side of the fixed sleeve (4) is sleeved with a horn cover (5), and a linear driving mechanism A (14) for driving the horn cover (5) to move is installed on the movable support (6).

2. A milling device according to claim 1, characterized in that the support plate (15) is slidably provided with a slide plate (19), the servo motor C (16) is fixedly arranged on the slide plate (19), the bottom end of the slide plate (19) is fixedly provided with a connecting plate (20), and the support plate (15) is provided with a linear driving mechanism B (17) for driving the connecting plate (20) to move.

3. A milling device according to claim 1, characterized in that the power assembly a comprises a servomotor D (21), a gear (22) and a toothed ring (23), the servomotor D (21) is arranged on the mounting plate (13), the gear (22) is fixed on the output shaft of the servomotor D (21), the toothed ring (23) is fixed on the outer periphery of the moving sleeve (3), and the toothed ring (23) is in meshed connection with the gear (22).

4. A milling device according to claim 1, characterized in that the power assembly B comprises a servomotor B (91), a threaded rod (92) and a guide rod B (11), the guide rod B (11) is fixed on the mounting frame (2), the mounting plate (13) is slidably arranged on the guide rod B (11), the threaded rod (92) is rotatably arranged on the mounting frame (2), the mounting plate (13) is in threaded connection with the threaded rod (92), the servomotor B (91) is arranged on the mounting frame (2) and the output shaft thereof is connected with the threaded rod (92).

5. A milling device according to claim 1, characterized in that the power assembly C comprises a servomotor a (81), a bi-directional screw (82) and a guide rod a (10), the guide rod a (10) is fixed on the mounting frame (2), the two movable brackets (6) are both slidably arranged on the guide rod a (10), the bi-directional screw (82) is rotatably arranged on the mounting frame (2), the two movable brackets (6) are symmetrically arranged on the bi-directional screw (82) and are both in threaded connection with the bi-directional screw (82), the servomotor a (81) is arranged on the mounting frame (2) and the output shaft thereof is connected with the bi-directional screw (82).

6. A milling device according to claim 1, characterized in that the base (1) is provided with a plurality of universal wheels (7) at its bottom end.

7. A milling device according to claim 1, characterized in that the mounting frame (2) is provided with perforations (201) on both sides.

8. A milling device according to claim 1, characterized in that the two stationary bushings (4) are arranged coaxially with the moving bushing (3).