CN218017064U

CN218017064U - Main shaft machining mechanism and machining center

Info

Publication number: CN218017064U
Application number: CN202221629730.4U
Authority: CN
Inventors: 苏剑超; 谭礼财; 林子谋
Original assignee: Changpu Intelligent Equipment Guangdong Co ltd
Current assignee: Changpu Intelligent Equipment Guangdong Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-12-13
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses a main shaft machining mechanism and machining center, include: the front side surface of the X-axis sliding seat is provided with an avoidance space; an output shaft of the Z-axis motor is connected with a screw rod, and the screw rod extends into the avoiding space; and the spindle machining module comprises a mounting frame, a first mounting block is arranged on the rear side face of the mounting frame, a nut piece is arranged on the first mounting block, the first mounting block and the nut piece are located in an avoiding space, roller mechanisms are arranged on two side faces of the first mounting block, two side faces of the avoiding space are rolling guide faces, and the output end of each roller mechanism rolls along the rolling guide face. Through all being equipped with gyro wheel mechanism on the both sides face of first installation piece, when first installation piece moves about from top to bottom, the output of gyro wheel mechanism rolls along the leading roll face that corresponds to the atress on effective dispersion nut spare and the first installation piece makes main shaft processing module reciprocate more steady smooth and easy, and gyro wheel mechanism ingenious use dodge the leading roll face in space, need not and increase the guide rail part outward.

Description

Main shaft machining mechanism and machining center

Technical Field

The utility model belongs to the technical field of the machining center technique and specifically relates to indicate a main shaft machining mechanism and machining center.

Background

The machining center changes the traditional production mode mainly by people, can meet various machining requirements such as milling, drilling, boring, tapping and the like by means of control of a computer program, greatly shortens the machining time course, reduces the production cost, and is the greatest characteristic of the machining center. However, the existing machining center is not reasonable enough in structural arrangement, and has the following problems:

the Z-axis motor drives the spindle processing module to move up and down under the driving of the matching of the lead screw and the nut piece, the weight of the spindle processing module is heavy, and a connecting point (the position of the lead screw and the position of the nut piece) is relatively small, so that the stress of the positions of the lead screw and the nut piece is large in the movement process, the service life of the nut piece can be influenced, and the driving force of the Z-axis motor needs to be larger, so that the spindle processing module can be driven to move up and down.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a spindle machining mechanism and a machining center, which solve the above-mentioned problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a spindle machining mechanism comprising:

the front side surface of the X-axis sliding seat is provided with an avoidance space;

the Z-axis motor is arranged on the X-axis sliding seat and is positioned above the avoidance space; an output shaft of the Z-axis motor is connected with a screw rod, and the screw rod extends into the avoiding space; and the number of the first and second groups,

the main shaft machining module comprises a mounting frame, a first mounting block is arranged on the rear side face of the mounting frame, a nut piece is arranged on the first mounting block, the first mounting block and the nut piece are located in the avoidance space, the nut piece is in threaded connection with the lead screw, and the Z-axis motor drives the main shaft machining module to move up and down;

the two side faces of the first mounting block are provided with roller mechanisms, the two side faces of the avoidance space are rolling guide faces, and when the roller mechanisms move up and down along with the first mounting block, the output ends of the roller mechanisms roll along the corresponding rolling guide faces.

In one embodiment, the roller mechanism comprises a second mounting block and a roller, wherein the second mounting block is arranged on the side surface of the first mounting block; the side face, deviating from the first mounting block, of the second mounting block is provided with a mounting cavity, and the roller is rotatably arranged in the mounting cavity and exposed out of the mounting cavity.

In one embodiment, the roller is a plastic roller.

In one embodiment, the roller is a bearing, the number of the bearings is multiple, and the multiple bearings are arranged side by side.

In one embodiment, the X-axis sliding base is provided with sliding blocks, and the sliding blocks are positioned on two sides of the avoidance space; correspondingly, a sliding rail is arranged on the mounting frame, and the sliding rail is installed in a sliding fit mode with the sliding block.

In one embodiment, air cylinders are arranged at two ends of the X-axis sliding seat, output shafts of the two air cylinders are respectively connected with two sides of the mounting frame, and the air cylinders and the Z-axis motor drive the spindle processing module to move up and down together.

In one embodiment, a flexible water injection pipe is arranged on the mounting frame and is positioned beside the output end side of the spindle machining module.

A machining center comprises the spindle machining mechanism.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

through all being equipped with gyro wheel mechanism on the both sides face of first installation piece, when first installation piece moves about from top to bottom, gyro wheel mechanism's output rolls along the leading roll surface that corresponds to the atress on effective dispersion nut spare and the first installation piece makes main shaft processing module reciprocate more steady smooth and easy, and gyro wheel mechanism ingenious use dodge the leading roll surface in space, need not and increase guide rail part outward, simple structure, and practical.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a perspective view of a spindle machining mechanism according to an embodiment of the present invention;

fig. 2 is a first angular exploded view of the spindle machining mechanism according to the embodiment of the present invention;

fig. 3 is a second exploded perspective view of the spindle machining mechanism according to the embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a sectional view of a spindle machining mechanism according to an embodiment of the present invention;

fig. 6 is a partially enlarged view at B in fig. 5.

Reference numerals:

10. x-axis slide carriage 101, avoidance space

102. Guide rolling surface 20, Z-axis motor

30. Main shaft processing module 31 and mounting rack

32. First mounting block 41 and screw rod

42. Nut 50 and roller mechanism

51. Second mounting block 52, roller

501. Mounting cavity 61, slider

62. Slide rail 70 and air cylinder

80. A flexible water injection pipe.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 6, the present application provides a spindle machining mechanism, including:

an avoidance space 101 is formed in the front side face of the X-axis sliding seat 10, and the avoidance space 101 is a moving space of the lead screw and the nut block, so that interference between the lead screw and the nut block and the X-axis sliding seat 10 is avoided.

And a Z-axis motor 20 provided on the X-axis slide carriage 10 and located above the avoidance space 101. The output shaft of the Z-axis motor 20 is connected with a screw rod 41, the screw rod 41 extends into the avoiding space 101, and the Z-axis motor 20 drives the screw rod 41 to rotate, so that the spindle machining module 30 is driven to accurately move up and down. And the number of the first and second groups,

the spindle processing module 30 comprises a mounting frame 31, a first mounting block 32 is arranged on the rear side surface of the mounting frame 31, a nut member 42 is arranged on the first mounting block 32, the first mounting block 32 and the nut member 42 are located in the avoiding space 101, the nut member 42 is in threaded connection with the lead screw 41, and the lead screw 41 rotates the nut member 42 to move up and down along the lead screw 41, so that the mounting frame 31 is driven to move up and down. The Z-axis motor 20 drives the spindle processing module 30 to move up and down.

The two side surfaces of the first mounting block 32 are both provided with roller mechanisms 50, the two side surfaces of the avoidance space 101 are guide rolling surfaces 102, and the guide rolling surfaces 102 are planes; when the roller mechanism 50 moves up and down along with the first mounting block 32, the output end of the roller mechanism 50 rolls along the corresponding guide rolling surface 102. When the screw rod 41 drives the nut member 42 to move up and down, the nut member 42 and the first mounting block 32 are used as main stress points, the force borne by the main stress points is large, the roller mechanisms 50 are arranged on the two side surfaces of the first mounting block 32, when the first mounting block 32 moves up and down, the output ends of the roller mechanisms 50 roll along the corresponding rolling guide surfaces 102, so that the stress on the nut member 42 and the first mounting block 32 is effectively dispersed, the first mounting block 32 can move up and down more stably and smoothly, the roller mechanisms 50 are skillfully used for the rolling guide surfaces 102 in an avoiding space, guide rail parts do not need to be added, the structure is simple, and the structure is practical.

Optionally, the Z-axis motor 20 is a servo motor, and the servo motor is matched with the screw rod 41 to move, so that the spindle machining module 30 moves up and down more accurately, that is, the machining precision is higher.

The roller mechanism 50 includes a second mounting block 51 and a roller 52, the second mounting block 51 is disposed on a side surface of the first mounting block 32, and optionally, the second mounting block 51 is screwed to the side surface of the first mounting block 32. The side surface of the second mounting block 51, which faces away from the first mounting block 32, is provided with a mounting cavity 501, and the roller 52 is rotatably arranged in the mounting cavity 501 and exposes the mounting cavity 501. The exposed portion of the mounting cavity 501 of the roller 52 contacts the roller surface 102. Optionally, a slip-guiding coating, such as a wax coating, may be applied to the roller surface 102 to facilitate smooth rolling of the roller 52 over the roller surface 102.

The roller 52 is a plastic roller. In this embodiment, the roller 52 is preferably used as a bearing, and the number of the bearings is 3, and 3 bearings are arranged side by side. Compared with a plastic roller, the bearing can bear larger force, has longer service life and can roll more smoothly.

The X-axis sliding seat 10 is provided with sliding blocks 61, and the sliding blocks 61 are positioned on two sides of the avoidance space 101; correspondingly, a slide rail 62 is arranged on the mounting frame 31, and the slide rail 62 is installed in sliding fit with the slide block 61.

The two ends of the X-axis sliding base 10 are provided with air cylinders 70, the output shafts of the two air cylinders 70 are respectively connected with the two sides of the mounting frame 31, and the air cylinders 70 and the Z-axis motor 20 drive the spindle processing module 30 to move up and down together. Compare the tradition and use single motor drive main shaft processing module 30 activity from top to bottom, under motor drive's the prerequisite now, increased the cylinder drive, make drive power bigger, and drive power dispersion respectively in the both sides of mounting bracket 31 and centre, the atress is more even.

And a flexible water injection pipe 80 is arranged on the mounting frame 31, and the flexible water injection pipe 80 is positioned beside the output end of the spindle machining module 30. During the machining process, the flexible water injection pipe 80 sprays water to the workpiece, thereby effectively dissipating heat and flushing away scraps.

The application also provides a machining center, which comprises the spindle machining mechanism. Since the machining center adopts all the technical solutions of all the embodiments, all the beneficial effects brought by the technical solutions of the embodiments are also achieved, and are not described in detail herein.

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

Claims

1. A main shaft machining mechanism is characterized in that: the method comprises the following steps:

the Z-axis motor is arranged on the X-axis sliding seat and is positioned above the avoidance space; a screw rod is connected to an output shaft of the Z-axis motor and extends into the avoiding space; and the number of the first and second groups,

the main shaft machining module comprises a mounting frame, a first mounting block is arranged on the rear side surface of the mounting frame, a nut piece is arranged on the first mounting block, the first mounting block and the nut piece are located in the avoiding space, the nut piece is in threaded connection with the screw rod, and the Z-axis motor drives the main shaft machining module to move up and down;

the two side surfaces of the first mounting block are provided with roller mechanisms, the two side surfaces of the avoidance space are guide rolling surfaces, and when the roller mechanisms move up and down along with the first mounting block, the output ends of the roller mechanisms roll along the corresponding guide rolling surfaces.

2. The spindle machining mechanism according to claim 1, wherein: the roller mechanism comprises a second mounting block and a roller, and the second mounting block is arranged on the side surface of the first mounting block; the side face, deviating from the first mounting block, of the second mounting block is provided with a mounting cavity, and the roller is rotatably arranged in the mounting cavity and exposed out of the mounting cavity.

3. The spindle machining mechanism according to claim 1, wherein: the rollers are plastic rollers.

4. The spindle machining mechanism according to claim 1, wherein: the gyro wheel is the bearing, the bearing is a plurality of, and is a plurality of the bearing is arranged side by side.

5. The spindle machining mechanism according to claim 1, wherein: the X-axis sliding seat is provided with sliding blocks, and the sliding blocks are positioned on two sides of the avoidance space; correspondingly, a sliding rail is arranged on the mounting frame, and the sliding rail is installed in a sliding fit mode with the sliding block.

6. The spindle machining mechanism according to any one of claims 1 to 5, wherein: and air cylinders are arranged at two ends of the X-axis sliding seat, output shafts of the two air cylinders are respectively connected with two sides of the mounting frame, and the air cylinders and the Z-axis motor jointly drive the spindle machining module to move up and down.

7. The spindle machining mechanism according to claim 1, wherein: the mounting frame is provided with a flexible water injection pipe, and the flexible water injection pipe is located beside the output end side of the spindle machining module.

8. A machining center is characterized in that: comprising a spindle machining mechanism according to any one of claims 1 to 7.