CN113909973A

CN113909973A - Self-driven type inverted milling head

Info

Publication number: CN113909973A
Application number: CN202010658286.8A
Authority: CN
Inventors: 徐保群; 朱慧; 钱石; 朱军辉
Original assignee: Jiangsu Ningshing Hengli Intelligent Equipment Co ltd
Current assignee: Jiangsu Ningshing Hengli Intelligent Equipment Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2022-01-11

Abstract

The invention discloses a self-driven inverted milling head which comprises a milling head body, bearing supports, a lead screw, a base and a guide rail, wherein the two bearing supports are fixed on a bottom plate of the milling head body at intervals, the lead screw is rotatably connected between the two bearing supports, a lead screw nut on the lead screw is fixedly connected with the base through the lead screw nut support, the guide rail which is parallel to the lead screw is also fixed on the bottom plate, the guide rail is in sliding fit with a slide rail on the base, and the slide rail is fixedly connected with the base. When the servo motor rotates, the lead screw drives the milling head body to move, the lead screw nut does not move, the size of the milling machine is reduced, and the structure is more compact. Milling chips are prevented from entering a gap between the base plate and the base, the ball screw and the guide rail can be effectively protected, and the service life is longer.

Description

Self-driven type inverted milling head

Technical Field

The invention relates to the field of milling machines, in particular to a self-driven inverted milling head.

Background

With the development of modern industry, the current equipment is developing towards integration compact type. On the premise of ensuring the use and the precision of the equipment, the smaller the occupied area of the equipment is, the better the occupied area is. In a traditional feeding mechanism of the milling machine, a guide rail of a rear bearing support, a front bearing support and a linear guide rail is arranged on a base, and a sliding block of the linear guide rail is arranged at the bottom of an upper sliding table body to realize feeding action. The base becomes very long in this way, resulting in a very large mounting surface and a large floor space. In addition, when the traditional feeding mechanism is small in installation space, the protection of the equipment is difficult to design and install, a large amount of scrap iron is collected on the ball screw and the linear guide rail, and therefore the ball screw and the linear guide rail are damaged.

Disclosure of Invention

The present invention is intended to solve the above technical problems to some extent.

In order to solve the technical problem, the invention provides a self-driven inverted milling head which is compact in structure and not easy to wear a lead screw and a guide rail.

The utility model provides a self-driven face-down milling head, its characterized in that, includes bearing, milling head body, lead screw, base and guide rail, two the bearing interval is fixed on the bottom plate of milling head body, two bearing rotates between be connected with the lead screw, lead screw nut on the lead screw pass through lead screw nut support with base fixed connection, still be fixed with on the bottom plate with lead screw parallel arrangement the guide rail, slide rail sliding fit on guide rail and the base, under servo motor's drive, the lead screw drives milling head body is followed lead screw nut's axial displacement.

Further, the lead screw and the guide rail are mounted on the bottom plate and slide together with the bottom plate.

Furthermore, the screw rod and the screw nut are fixedly connected with the nut support.

Furthermore, the milling head body is provided with a rotating motor, a reduction gearbox and a milling cutter head, the rotating motor is in belt transmission connection with the reduction gearbox, an output shaft of the reduction gearbox is perpendicular to the moving direction of the milling head body, and the end part of the output shaft of the reduction gearbox is connected with the milling cutter head.

Furthermore, the servo motor is fixed on the milling head body, and the coupler is connected between the servo motor and the lead screw.

Further, the two bearing supports are fixed at two ends of the central axis of the bottom plate.

Further, the number of the guide rails is two, and the two guide rails are arranged on two sides of the lead screw.

Further, the lead screw is a ball screw.

The self-driven inverted milling head comprises a milling head body, bearing supports, a lead screw, a base and guide rails, wherein the two bearing supports are fixed on a bottom plate of the milling head body at intervals, the lead screw is rotatably connected between the two bearing supports, a lead screw nut on the lead screw is fixedly connected with the base through the lead screw nut support, the guide rails arranged in parallel with the lead screw are also fixed on the bottom plate, the guide rails are in sliding fit with slide rails on the base, and the guide rails are fixedly connected with the base. When the servo motor rotates, the lead screw drives the milling head body to move, the lead screw nut does not move, the size of the milling machine is reduced, and the structure is more compact. Milling chips are prevented from entering a gap between the base plate and the base, the ball screw and the guide rail can be effectively protected, and the service life is longer.

Drawings

FIG. 1 is a front view of a self-driven face-down milling head of the present invention;

FIG. 2 is a side view of a self-driven face-down milling head of the present invention;

FIG. 3 is a top view of a self-driven face-down milling head of the present invention;

in the drawings, 1-bearing support; 2-milling the head body; 21-a bottom plate; 22-a rotating electrical machine; 23-a reduction gearbox; 3-a lead screw; 4-a base; 5-a guide rail; 6-a slide rail; 7-nut support; 8-a servo motor; 9-coupler.

Detailed Description

The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.

According to the specific embodiment of the invention, as shown in fig. 1, fig. 2 and fig. 3, a self-driven inverted milling head comprises bearing supports 1, a milling head body 2, a lead screw 3, a base 4 and guide rails 5, wherein the two bearing supports 1 are fixed on a bottom plate 21 of the milling head body 2 at intervals, the lead screw 3 is rotatably connected between the two bearing supports 1, a lead screw nut on the lead screw 3 is fixedly connected with the base 4, the guide rails 5 arranged in parallel with the lead screw 3 are also fixed on the bottom plate 21, the guide rails 5 are in sliding fit with slide rails 6 on the base 4, the slide rails 6 are fixedly connected with the base 4, and under the driving of a power device 8, the lead screw 3 drives the milling head body 2 to slide along the axial direction of the lead screw 3 nut. The milling head main shaft is perpendicular to the moving direction of the milling head body 2, and the end part of the milling head main shaft is connected with a milling cutter disc to finish the milling action. Effectively shortened base 4 length, the installation face is less, and then has reduced the volume of milling machine, and the structure is compacter.

According to the embodiment of the invention, as shown in fig. 1, 2 and 3, the screw 3 and the guide rail 5 are mounted on the base plate 21 and slide along with the base plate 21. Milling chips can be prevented from entering the gap between the base plate 21 and the base 4, and thus the chips are prevented from degrading the accuracy of the guide rail 5 and the lead screw 3.

According to the specific embodiment of the invention, as shown in fig. 1, fig. 2 and fig. 3, the self-driven upside-down milling head further comprises a nut support 7, the nut support 7 is fixed on the base 4 and is arranged close to one end of the base 4, and the lead screw nut is fixedly connected with the nut support 7. The nut support 7 can not only facilitate the fixation of the lead screw nut, but also increase the contact area between the lead screw nut and the base 4, and can be matched with the slide rail 6 for use, so that the milling head body 2 can stably run.

According to the specific embodiment of the invention, as shown in fig. 1, fig. 2 and fig. 3, a self-driven face-down milling head comprises a milling head body 2, a rotary motor 22, a reduction box 23 and a milling cutter disc 24, wherein the rotary motor 22 is in belt transmission connection with the reduction box 23, and an output shaft of the reduction box 23 is in key connection with the milling cutter disc 24. The rotary motor 22 is used to provide rotary power to the milling cutter head 24.

According to the specific embodiment of the invention, as shown in fig. 1, fig. 2 and fig. 3, a self-driven upside-down milling head is provided, a servo motor 8 is fixed on a milling head body 2, and a coupling 9 is connected between the servo motor 8 and a lead screw 3. The servo motor 8 is used for providing axial feeding power for the milling head body 2, and the control precision is high. In this embodiment, two bearing holders 1 are fixed to both ends of the central axis of the bottom plate 21.

According to the specific embodiment of the invention, as shown in fig. 1, 2 and 3, the guide rails 5 of the self-driven inverted milling head are two, and the two guide rails 5 are arranged on two sides of the screw rod 3. In practical use, the position of the guide rail 5 needs to be tested, the stress balance of the two slide rails 6 is ensured, the abrasion of the guide rail 5 is reduced, and the lead screw 3 is a ball screw in the embodiment.

The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.

Claims

1. The utility model provides a self-driven face-down milling head, its characterized in that, includes bearing, milling head body, lead screw, base and guide rail, two the bearing interval is fixed on the bottom plate of milling head body, two bearing rotates between be connected with the lead screw, lead screw nut on the lead screw pass through lead screw nut support with base fixed connection, still be fixed with on the bottom plate with lead screw parallel arrangement the guide rail, slide rail sliding fit on guide rail and the base, under servo motor's drive, the lead screw drives milling head body is followed lead screw nut's axial displacement.

2. A self-driving, face-down milling head as claimed in claim 1, wherein the lead screw and the guide track are mounted on the base plate and slide with the base plate.

3. The self-driven inverted milling head according to claim 1, further comprising a nut support, wherein the nut support is fixed to the base and disposed near one end of the base, and the lead screw nut is fixedly connected to the nut support.

4. The self-driven inverted milling head according to claim 1, wherein the milling head body comprises a rotating motor, a reduction gearbox and a milling cutter head, the rotating motor is in belt transmission connection with the reduction gearbox, an output shaft of the reduction gearbox is perpendicular to the moving direction of the milling head body, and the end of the output shaft of the reduction gearbox is connected with the milling cutter head.

5. The self-driven face-down milling head according to claim 1, wherein the servo motor is fixed to the milling head body, and the coupling is connected between the servo motor and the lead screw.

6. The self-driven face-down milling head as claimed in claim 1, wherein two of the bearing supports are fixed to opposite ends of the central axis of the base plate.

7. The self-driven face-down milling head as claimed in claim 1, wherein the number of the guide rails is two, and the two guide rails are disposed on both sides of the lead screw.

8. The self-driven face-down milling head of claim 1, wherein the screw is a ball screw.