CN213350850U

CN213350850U - Slewing mechanism of turning and milling composite machine tool spindle

Info

Publication number: CN213350850U
Application number: CN202022205543.0U
Authority: CN
Inventors: 洪鸿儒
Original assignee: Foshan Xinshuo Precision Machinery Co ltd
Current assignee: Foshan Xinshuo Precision Machinery Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-04
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a turn-milling composite machine tool spindle's rotation mechanism. The utility model discloses a: the spindle comprises a spindle body and a base plate, wherein a rotary disc is fixedly sleeved on the outer side of the spindle body, a circular hole is formed in the top of the base plate, the outer side of a bearing is fixedly installed in the circular hole, an inner ring of the bearing is fixedly sleeved on the outer side of the spindle body, a motor is fixedly installed on one side of the top of the base plate, a vertical groove is formed in the base plate, a vertical shaft is rotatably installed in the vertical groove, a large bevel gear and a small bevel gear are fixedly installed on the vertical shaft, a disc and, the driving force required by the rotation operation of the main shaft is reduced through speed reduction transmission, the main shaft can be accurately fixed in angle after rotation, the machining precision of the main shaft is guaranteed, and the problems that the main shaft needs to stay at a certain position to be machined due to the fact that a fixing structure of the main shaft is lacked in a rotation mechanism of the existing turning and milling composite machine tool main shaft, the positioning stability is poor, and the machining precision is reduced are solved.

Description

Slewing mechanism of turning and milling composite machine tool spindle

Technical Field

The utility model relates to a turning and milling composite machine tool technical field specifically is a turning and milling composite machine tool spindle's rotation mechanism.

Background

The turning and milling composite machine tool integrates the milling function and the turning function, can finish all functions of a common lathe, and can also perform the processes of milling end surfaces, milling grooves, boring holes and the like, thereby reducing the floor area of the machine tool, reducing the clamping and positioning times of a workpiece, and saving the time required by process conversion; the turning and milling composite machine tool has been widely applied to metal cutting due to the advantages, the rotation precision of the spindle of the existing turning and milling composite machine tool workbench is ensured by positioning the spindle by a straight hole or a taper hole, and the spindle has the biggest defects of complex processing, unstable positioning precision and manual scraping. Through retrieval, chinese patent with publication number CN207205948U discloses a slewing mechanism of a turning and milling composite machine tool spindle, comprising a spindle and a spindle sleeve, wherein the spindle sleeve is nested outside the spindle, a bearing is arranged between the spindle and the spindle sleeve, a slewing disc is vertically installed on the spindle, a transmission rack and a sliding chute are arranged on the lower end surface of the slewing disc, the transmission rack is a circular rack, the sliding chute is a circular groove, a base plate is installed on the spindle sleeve, the base plate is located below the slewing disc, the base plate is provided with a gear bracket and a pulley bracket, the gear bracket is provided with a plurality of gears, the gear bracket is provided with a transmission gear, the transmission gear is located under the transmission rack, the transmission gear is meshed with the transmission rack, the transmission gear is provided with a gear shaft, the gear shaft is connected with a gear motor, the pulley bracket is provided with a pulley, the pulley is located under the, and the pulley slides in the chute, the rotation precision is easy to control, the abrasion degree is low, and the service life is long.

However, the design has disadvantages that although the spindle can rotate, the spindle is lack of a fixing structure, so that the spindle needs to stay at a certain position for processing, the positioning stability is poor, and the processing precision is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a turn-milling composite machine tool spindle's rotation mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the method comprises the following steps: the spindle comprises a spindle body and a base plate, wherein a rotary disc is fixedly sleeved on the outer side of the spindle body, a circular hole is formed in the top of the base plate, the outer side of a bearing is fixedly arranged in the circular hole, an inner ring of the bearing is fixedly sleeved on the outer side of the spindle body, a motor is fixedly arranged on one side of the top of the base plate, a vertical groove is formed in the vertical groove, a vertical shaft is rotatably arranged in the vertical shaft, a large bevel gear and a small bevel gear are fixedly arranged on the vertical shaft, a disc and a small bevel gear are fixedly arranged on an output shaft of the motor, the small bevel gear is meshed with the large bevel gear, an internal gear is fixedly arranged at the bottom of the rotary disc, the small gear is meshed with the internal gear, a transverse groove is formed in one side of the base plate, a transverse plate is fixedly, the threaded rod is installed to the screw hole internal thread, the constant head tank is seted up at the fixed plate top, and the threaded rod clamps with the constant head tank activity.

Furthermore, a groove is formed in one side of the top of the base plate, and the disc is arranged in the groove, so that the disc is convenient to mount and move.

Furthermore, a connecting groove is formed in one side of the base plate, a connecting plate is fixedly mounted at the bottom of the transverse plate, and the connecting plate is slidably mounted in the connecting groove to limit the transverse plate.

Furthermore, one end of a return spring is fixedly connected to one side of the connecting plate, and the other end of the return spring is fixedly connected to one side of the fixing plate to reset the connecting plate.

Further, base plate top fixed mounting has a plurality of supports, and a plurality of supports are the equidistant setting of annular for the axle center of main shaft body, all rotate in a plurality of supports and install the gyro wheel, a plurality of gyro wheels all with gyration dish bottom roll connection, support the gyration dish.

Furthermore, one end of a limiting rod is fixedly connected to one side of the fixing plate, the other end of the limiting rod is fixedly installed on the inner wall of one side of the connecting groove, and the connecting plate is sleeved outside the limiting rod in a sliding mode to guide the connecting plate.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a reduction gearing reduces the required drive power of main shaft gyration operation, and can carry out accurate angle fixation to the main shaft after the gyration, guarantees the precision of its processing, has solved the fixed knot structure to the main shaft that lacks of the rotation mechanism of the compound lathe main shaft of current turn-milling, leads to the main shaft to need stop adding man-hour in certain position, and the stability of location is relatively poor, has reduced the problem of machining precision.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of the portion A of FIG. 1;

fig. 3 is a bottom view of the main shaft body, the rotary disk, the internal gear and the pinion gear according to an embodiment of the present invention.

Reference numerals: 1. a main shaft body; 2. a rotary disk; 3. a substrate; 4. a bearing; 5. an internal gear; 6. a vertical axis; 7. a pinion gear; 8. a large bevel gear; 9. a motor; 10. a bevel pinion gear; 11. a disc; 12. a clamping hole; 13. a transverse plate; 14. a threaded rod; 15. a fixing plate; 16. positioning a groove; 17. connecting grooves; 18. a connecting plate; 19. a limiting rod; 20. a return spring; 21. a groove; 22. a support; 23. and a roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, in which fig. 1 is a schematic front view of an embodiment of the present invention; FIG. 2 is an enlarged view of a portion of the portion A of FIG. 1; fig. 3 is a bottom view of the spindle body, the rotary disk, the internal gear and the pinion gear according to an embodiment of the present invention, and a rotary mechanism of a spindle of a turning and milling composite machine tool includes: the spindle comprises a spindle body 1 and a base plate 3, a rotary disc 2 is fixedly sleeved on the outer side of the spindle body 1, a circular hole is formed in the top of the base plate 3, the outer side of a bearing 4 is fixedly installed in the circular hole, an inner ring of the bearing 4 is fixedly sleeved on the outer side of the spindle body 1, a motor 9 is fixedly installed on one side of the top of the base plate 3 and provided with a vertical groove, a vertical shaft 6 is rotatably installed in the vertical groove, a large bevel gear 8 and a small gear 7 are fixedly installed on the vertical shaft 6, a disc 11 and a small bevel gear 10 are fixedly installed on an output shaft of the motor 9, the small bevel gear 10 is meshed with the large bevel gear 8, an inner gear 5 is fixedly installed at the bottom of the rotary disc 2, the small gear 7 is meshed with the inner gear 5, a transverse groove is formed in one side of the base plate 3, the transverse plate 13 is movably clamped with the corresponding clamping hole 12, a threaded hole is formed in one side of the top of the transverse plate 13, a threaded rod 14 is installed in the threaded hole in a threaded mode, a positioning groove 16 is formed in the top of the fixing plate 15, and the threaded rod 14 is movably clamped with the positioning groove 16.

One side of the top of the base plate 3 is provided with a groove 21, and the disc 11 is arranged in the groove 21, so that the disc 11 can be conveniently installed and moved.

Connecting groove 17 has been seted up to base plate 3 one side, diaphragm 13 bottom fixed mounting has connecting plate 18, and connecting plate 18 slidable mounting is in connecting groove 17, carries on spacingly to diaphragm 13.

One end of a return spring 20 is fixedly connected to one side of the connecting plate 18, and the other end of the return spring 20 is fixedly connected to one side of the fixing plate 15 to reset the connecting plate 18.

The top of the base plate 3 is fixedly provided with a plurality of supports 22, the plurality of supports 22 are arranged in an annular and equidistant mode relative to the axis of the main shaft body 1, the plurality of supports 22 are internally provided with rollers 23 in a rotating mode, and the plurality of rollers 23 are connected with the bottom of the rotary disc 2 in a rolling mode to support the rotary disc 2.

One end of a limiting rod 19 is fixedly connected to one side of the fixing plate 15, the other end of the limiting rod 19 is fixedly installed on the inner wall of one side of the connecting groove 17, and the connecting plate 18 is sleeved outside the limiting rod 19 in a sliding mode to guide the connecting plate 18.

To sum up, the utility model provides a turning and milling machine tool spindle rotation mechanism, during operation, through turning to threaded rod 14 and through threaded rod 14 and threaded hole's screw-thread fit drive threaded rod 14 rotate and upward move simultaneously and break away from the connection with constant head tank 16, then through pulling threaded rod 14 to the side of keeping away from base plate 3 and move to one side and make diaphragm 13 break away from the connection with corresponding card hole 12, diaphragm 13 drives connecting plate 18 to move to one side in connecting groove 17 and compress reset spring 20, then through reverse rotation threaded rod 14 drives threaded rod 14 to move downwards, thereby through threaded rod 14 and fixed plate 15 side butt to diaphragm 13 lateral motion spacing, then through starting motor 9, motor 9 output shaft drives disc 11 and small bevel gear 10 to rotate, small bevel gear 10 drives large bevel gear 8 to rotate at a slow speed, the large bevel gear 8 drives the small gear 7 to rotate through the vertical shaft 6, the small gear 7 drives the internal gear 5 to rotate at a slow speed, the internal gear 5 drives the main shaft body 1 to rotate through the rotary disc 2, thereby realizing the rotation of the main shaft body 1, the required driving force is smaller through speed reduction transmission, the rotation precision is higher, when the working angle of the main shaft body 1 needs to be fixed, the threaded rod 14 is driven to move upwards through the rotary threaded rod 14 and is separated from the connection with the fixed plate 15, the connecting plate 18 slides reversely under the elastic action of the reset spring 20 and drives the transverse plate 13 to slide reversely, the transverse plate 13 is clamped into the corresponding clamping hole 12 to fix the disc 11, then the threaded rod 14 is driven to be clamped into the positioning groove 16 through the reverse rotary threaded rod 14, the transverse plate 13 is fixed, thereby improving the fixing stability of the disc 11, the disc 11 fixes the small bevel gear 10 through the output shaft of the motor, the small bevel gear 10 fixes the main shaft body 1 through the large bevel gear 8, the vertical shaft 6, the small gear 7, the internal gear 5 and the rotary disk 2, so that the angle of the main shaft body is accurately fixed, and the machining precision of the main shaft body is guaranteed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a turn and mill rotation mechanism of compound lathe main shaft which characterized in that includes: the spindle comprises a spindle body (1) and a base plate (3), a rotary disc (2) is fixedly sleeved on the outer side of the spindle body (1), a circular hole is formed in the top of the base plate (3), the outer side of a bearing (4) is fixedly installed in the circular hole, an inner ring of the bearing (4) is fixedly sleeved on the outer side of the spindle body (1), a motor (9) and a vertical groove are fixedly installed on one side of the top of the base plate (3), a vertical shaft (6) is installed in the vertical groove in a rotating mode, a large bevel gear (8) and a small gear (7) are fixedly installed on the vertical shaft (6), a disc (11) and a small bevel gear (10) are fixedly installed on an output shaft of the motor (9), the small bevel gear (10) is meshed with the large bevel gear (8), an internal gear (5) is fixedly installed at the bottom of the rotary disc (2), the small gear (7) is meshed with the internal gear (, sliding mounting has diaphragm (13) in the transverse groove, card hole (12) have all been seted up to disc (11) one side top and one side bottom, and diaphragm (13) clamp with the activity of the card hole (12) that corresponds, and diaphragm (13) top one side is seted up the screw hole, and threaded hole internal thread installs threaded rod (14), constant head tank (16) have been seted up at fixed plate (15) top, and threaded rod (14) clamp with constant head tank (16) activity.

2. A rotary mechanism of a turning and milling composite machine tool spindle as claimed in claim 1, characterized in that one side of the top of the base plate (3) is provided with a groove (21), and the disc (11) is arranged in the groove (21).

3. The turning mechanism of the turning and milling composite machine tool spindle as claimed in claim 1, wherein one side of the base plate (3) is provided with a connecting groove (17), the bottom of the cross plate (13) is fixedly provided with a connecting plate (18), and the connecting plate (18) is slidably mounted in the connecting groove (17).

4. A rotary mechanism of a turning and milling composite machine tool spindle according to claim 3, characterized in that one end of a return spring (20) is fixedly connected to one side of the connecting plate (18), and the other end of the return spring (20) is fixedly connected to one side of the fixed plate (15).

5. The slewing mechanism of the turning and milling composite machine tool spindle as claimed in claim 1, wherein a plurality of supports (22) are fixedly mounted on the top of the base plate (3), the plurality of supports (22) are annularly and equally spaced relative to the axis of the spindle body (1), rollers (23) are rotatably mounted in the plurality of supports (22), and the plurality of rollers (23) are in rolling connection with the bottom of the slewing disc (2).

6. The turning and milling machine tool spindle slewing mechanism according to claim 1, wherein one end of a limiting rod (19) is fixedly connected to one side of the fixed plate (15), the other end of the limiting rod (19) is fixedly mounted on the inner wall of one side of the connecting groove (17), and the connecting plate (18) is slidably sleeved on the outer side of the limiting rod (19).