CN209970197U

CN209970197U - Machine tool spindle assembly and machine tool

Info

Publication number: CN209970197U
Application number: CN201920653901.9U
Authority: CN
Inventors: 郑勇; 邓小雷; 张姜军; 方正
Original assignee: Zhejiang Yonglida Cnc Polytron Technologies Inc
Current assignee: Zhejiang Yonglida Cnc Polytron Technologies Inc
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-01-21
Anticipated expiration: 2029-05-08

Abstract

The utility model relates to a machining equipment technical field provides a lathe main shaft subassembly and lathe, lathe main shaft subassembly includes main shaft rotor, cutter mount pad and drive mechanism, main shaft rotor's one end is passed through drive mechanism with the cutter mount pad is connected in order to drive the cutter mount pad rotates, the drive mechanism perpendicular to main shaft rotor's axis setting. The utility model discloses a lathe main shaft subassembly passes through the drive mechanism of perpendicular main shaft rotor's axis setting and transmits the cutter mount pad with main shaft rotor's rotation on to drive the cutter and rotate, such setting makes drive mechanism can drive the cutter mount pad and stretch into to waiting to process the position, has avoided main shaft rotor to be unable because of bulky to stretch into to operating position, is favorable to lathe main shaft subassembly to carry out work in narrow space.

Description

Machine tool spindle assembly and machine tool

Technical Field

The utility model relates to a machining equipment technical field, in particular to lathe main shaft subassembly and lathe.

Background

The main shaft of a machine tool refers to a shaft on the machine tool for driving a workpiece or a cutter to rotate, and most of machine tools except for the machine tools with linear motion, such as a planer, a broaching machine and the like, have a main shaft part.

A machine tool spindle generally includes a spindle rotor, a bearing, and a spindle sleeve disposed on an outer periphery of the spindle to constrain the spindle, wherein a tool is disposed at one end of the spindle, the tool is generally disposed along an axial direction of the spindle, and the spindle drives the tool to rotate, so as to machine a workpiece.

Accordingly, there is a need to design a machine tool spindle assembly that facilitates operation in narrow machining areas.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a lathe main shaft subassembly and lathe, this lathe main shaft subassembly can transmit main shaft rotor's rotation to the cutter mount pad through the drive mechanism of perpendicular main shaft rotor's axis setting on to drive the cutter and rotate, drive mechanism can drive the cutter mount pad and stretch into to treating the processing position, and such setting has avoided main shaft rotor to restrict feeding of cutter because of bulky.

In order to achieve the above object, an aspect of the present invention provides a machine tool spindle assembly, which includes a spindle rotor, a tool mounting seat and a transmission mechanism, wherein the one end of the spindle rotor is passed through the transmission mechanism and the tool mounting seat is connected to drive the tool mounting seat rotates, and the transmission mechanism is perpendicular to the axis of the spindle rotor.

Preferably, the machine tool spindle assembly comprises a spindle extension rod, one end of the spindle extension rod is detachably connected with the spindle rotor, and the other end of the spindle extension rod is matched with the transmission mechanism.

Preferably, the transmission mechanism comprises a belt drive, a gear drive or a chain drive.

Preferably, drive mechanism adopts belt drive, including the action wheel, from driving wheel and hold-in range, the action wheel sets up the periphery of main shaft extension rod, it is in to set up from the driving wheel the periphery of cutter mount pad, the action wheel with connect through the hold-in range between the driving wheel.

Preferably, lathe spindle unit includes spindle sleeve, extension rod sleeve and drive arm, the spindle sleeve cover is established spindle rotor's periphery, extension rod sleeve cover is established spindle extension rod's periphery, just the telescopic one end of extension rod with the connection can be dismantled to the telescopic one end of spindle, the one end of drive arm with extension rod muffjoint, the other end with cutter mount pad rotatable coupling.

Preferably, the side wall of the extension rod sleeve is provided with an avoiding hole, and the synchronous belt penetrates through the avoiding hole.

Preferably, the transmission arm and the synchronous belt are arranged in parallel.

Preferably, the driving arm is arranged below the synchronous belt, one end of the driving arm is fixedly connected with the extension rod sleeve, and the other end of the driving arm is rotatably connected with the cutter mounting seat through a bearing.

Preferably, the transmission arm further comprises an upper transmission arm, the upper transmission arm is arranged above the synchronous belt, one end of the upper transmission arm is fixedly connected with the extension rod sleeve, and the other end of the upper transmission arm is rotatably connected with the cutter mounting seat through a bearing.

And simultaneously, the utility model also provides a machine tool, machine tool includes the utility model discloses machine tool spindle unit spare.

Compared with the prior art, the utility model discloses a lathe main shaft subassembly passes through on the drive mechanism of perpendicular main shaft rotor's axis setting transmits main shaft rotor's rotation to the cutter mount pad to drive the cutter and rotate, such setting up makes drive mechanism can drive the cutter mount pad and stretch into to operating position, has avoided main shaft rotor to be unable to stretch into to operating position because of bulky, is favorable to lathe main shaft subassembly to carry out work in narrow space.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural diagram of the spindle assembly of the machine tool of the present invention.

Description of reference numerals:

1 main shaft rotor 2 cutter mounting seat

3 transmission mechanism 4 main shaft extension rod

5 main shaft sleeve 6 extension rod sleeve

7 drive arm 8 upper drive arm

31 driving wheel 32 driven wheel

33 synchronous belt 41 avoidance hole

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, left, and right" generally means upper, lower, left, and right as illustrated with reference to the accompanying drawings; "inner and outer" refer to the inner and outer relative to the profile of the components themselves. The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.

According to the utility model discloses an aspect provides a lathe main shaft subassembly, as shown in fig. 1, lathe main shaft subassembly, including main shaft rotor 1, cutter mount pad 2 and drive mechanism 3, main shaft rotor 1's one end is passed through drive mechanism 3 with cutter mount pad 2 is connected in order to drive cutter mount pad 2 rotates, drive mechanism 3 perpendicular to main shaft rotor 1's axis setting, promptly drive mechanism 3 is followed the radial direction setting of a certain diameter of main shaft rotor 1.

The utility model discloses a lathe main shaft subassembly is through transmitting main shaft rotor 1's rotation to cutter mount pad 2 along main shaft rotor 1's radial drive mechanism 3, the cutter is installed on the cutter mount pad 2 of telling, cutter mount pad 2 drives the cutter and rotates, in the course of working, drive mechanism can drive the cutter mount pad and stretch into to waiting to process the position, such setting has avoided main shaft rotor 1 to stretch into to the operating position because of bulky, be favorable to lathe main shaft subassembly to carry out work in narrow space.

In the above, in order to facilitate connection of the transmission mechanism 3 with the spindle rotor 1, the machine tool spindle assembly includes the spindle extension rod 4, one end of the spindle extension rod 4 is detachably connected with the spindle rotor 1, and the other end of the spindle extension rod is matched with the transmission mechanism 3. The main shaft extension rod 4 with the one end that main shaft rotor 1 is connected is the same with the structure of handle of a knife among the prior art, promptly main shaft extension rod 4 with the one end that main shaft rotor 1 is connected is the toper, and the other end is the cylinder, main shaft extension rod 4 with still be equipped with the blind rivet on the terminal surface of the one end that main shaft rotor 1 is connected, the dismantlement and the change of main shaft extension rod 4 of being convenient for of such setting are favorable to changing cutter mount pad 2, and in addition, such setting still is favorable to reforming transform the main shaft rotor 1 of current lathe, reduction in production cost.

In the above, the transmission mechanism 3 includes a belt transmission, a gear transmission or a chain transmission.

When the transmission mechanism 3 adopts gear transmission, the transmission mechanism 3 adopts bevel gear transmission and comprises a driving bevel gear, a driven bevel gear, a driving bevel gear ring and a driven bevel gear ring, wherein the driving bevel gear ring is sleeved on the periphery of the spindle extension rod 4, the driven bevel gear is sleeved on the periphery of the cutter mounting seat 2, the driving bevel gear is meshed with the driving bevel gear ring, the driven bevel gear is meshed with the driven bevel gear ring, and a gear shaft of the driving bevel gear is fixedly connected with a gear shaft of the driven bevel gear. This arrangement enables the transmission mechanism 3 to transmit a large torque.

Preferably, drive mechanism 3 adopts belt drive, including action wheel 31, follow driving wheel 32 and hold-in range 33, action wheel 31 sets up the periphery of main shaft extension rod 4, follow driving wheel 32 and set up the periphery of cutter mount pad 2, action wheel 31 with connect through hold-in range 33 between the follow driving wheel 32. The transmission mechanism 3 is small in size due to the arrangement, and the transmission mechanism 3 is favorable for driving the cutter mounting seat 2 to stretch into a narrow space for drilling and milling.

In the above-mentioned, in order to provide the support to main shaft rotor 1 and drive mechanism 3, lathe main shaft assembly includes main shaft sleeve 5, extension rod sleeve 6 and driving arm 7, main shaft sleeve 5 cover is established the periphery of main shaft rotor 1, extension rod sleeve 6 cover is established the periphery of main shaft extension rod 4, just extension rod sleeve 6 one end with the connection can be dismantled to main shaft sleeve 5's one end, driving arm 7 one end with extension rod sleeve 6 is connected, the other end with 2 rotatable coupling of cutter mount pad.

In the above, in order to facilitate the installation of the synchronous belt 33, the sidewall of the extension rod sleeve 6 is provided with the avoiding hole 41, and the synchronous belt 33 passes through the avoiding hole 41.

In order to reduce the volume of the transmission mechanism 3 and the transmission arm 7, the transmission arm 7 and the timing belt 33 are arranged in parallel.

In order to further reduce the volume of the transmission mechanism 3 and the transmission arm 7, the transmission arm 7 is arranged below the synchronous belt 33, one end of the transmission arm 7 is fixedly connected with the extension rod sleeve 6, and the other end of the transmission arm 7 is rotatably connected with the tool mounting seat 2 through a bearing. Such setting reduces the axial length of tool mount 2 on the one hand to make tool mount 2 can stretch into narrower space, on the other hand can provide good support to tool mount 2, can not make tool mount 2 pull by hold-in range 33 thereby lead to the angular deviation.

In order to improve the stability of the cutter mounting seat 2, the transmission arm 7 further comprises an upper transmission arm 8, the upper transmission arm 8 is arranged above the synchronous belt 33, one end of the upper transmission arm 8 is fixedly connected with the extension rod sleeve 6, and the other end of the upper transmission arm is rotatably connected with the cutter mounting seat 2 through a bearing.

And simultaneously, the utility model also provides a machine tool, machine tool includes the utility model discloses machine tool spindle unit.

When using lathe main shaft assembly, main shaft rotor 1 drives main shaft extension rod 4 and rotates, and action wheel 31 on the main shaft extension rod 4 passes through hold-in range 33 and drives from driving wheel 32 and rotate to drive cutter mount pad 2 and rotate, cutter mount pad 2 drives cutter work, and at this moment, cutter mount pad 2 can stretch into narrow and small space under drive mechanism 3's drive and bore processing such as milling.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a lathe main shaft subassembly, its characterized in that includes main shaft rotor (1), cutter mount pad (2) and drive mechanism (3), the one end of main shaft rotor (1) is passed through drive mechanism (3) with cutter mount pad (2) are connected in order to drive cutter mount pad (2) rotate, drive mechanism (3) perpendicular to the axis setting of main shaft rotor (1).

2. Machine tool spindle assembly according to claim 1, characterized in that it comprises a spindle extension rod (4), one end of the spindle extension rod (4) being detachably connected to the spindle rotor (1) and the other end being fitted with the transmission mechanism (3).

3. Machine tool spindle assembly according to claim 2, characterized in that the transmission mechanism (3) comprises a belt, gear or chain transmission.

4. The machine tool spindle assembly according to claim 3, wherein the transmission mechanism (3) adopts a belt transmission, and comprises a driving wheel (31), a driven wheel (32) and a synchronous belt (33), the driving wheel (31) is arranged on the periphery of the spindle extension rod (4), the driven wheel (32) is arranged on the periphery of the tool mounting seat (2), and the driving wheel (31) and the driven wheel (32) are connected through the synchronous belt (33).

5. The machine tool spindle assembly according to claim 4, comprising a spindle sleeve (5), an extension rod sleeve (6) and a transmission arm (7), wherein the spindle sleeve (5) is sleeved on the periphery of the spindle rotor (1), the extension rod sleeve (6) is sleeved on the periphery of the spindle extension rod (4), one end of the extension rod sleeve (6) is detachably connected with one end of the spindle sleeve (5), one end of the transmission arm (7) is connected with the extension rod sleeve (6), and the other end of the transmission arm is rotatably connected with the tool mounting base (2).

6. The machine spindle assembly according to claim 5, wherein a relief hole (41) is provided on a side wall of the extension rod sleeve (6), the timing belt (33) passing through the relief hole (41).

7. The machine spindle assembly of claim 5, wherein the drive arm (7) is arranged parallel to the timing belt (33).

8. The machine spindle assembly of claim 5, wherein the drive arm (7) is disposed below the timing belt (33), and one end of the drive arm (7) is fixedly connected to the extension rod sleeve (6) and the other end is rotatably connected to the tool mount (2) via a bearing.

9. The machine spindle assembly of claim 8, wherein the transmission arm (7) further comprises an upper transmission arm (8), the upper transmission arm (8) is disposed above the synchronous belt (33), one end of the upper transmission arm (8) is fixedly connected with the extension rod sleeve (6), and the other end is rotatably connected with the tool mounting base (2) through a bearing.

10. A machine tool comprising a machine tool spindle assembly according to any one of claims 1 to 9.