CN216681724U

CN216681724U - Main shaft supporting assembly for numerically-controlled grinding machine

Info

Publication number: CN216681724U
Application number: CN202220172842.5U
Authority: CN
Inventors: 姜代亮; 张涛; 薛娇; 相世高
Original assignee: Qingdao Yuefenglai Machinery Co ltd
Current assignee: Qingdao Yuefenglai Machinery Co ltd
Priority date: 2022-01-22
Filing date: 2022-01-22
Publication date: 2022-06-07
Anticipated expiration: 2032-01-22

Abstract

The utility model discloses a main shaft supporting assembly for a numerical control grinding machine, which comprises a driving seat and a main shaft body clamped with the output end of the driving seat, wherein a telescopic piece is welded on the front end surface of the driving seat, a U-shaped pipe is welded at one end of the telescopic piece far away from the driving seat, a U-shaped plate is sleeved on the outer wall of the U-shaped pipe in a threaded manner, the bottom end of the U-shaped pipe is connected with a nut in a threaded manner, the nut is positioned under the U-shaped plate, and a plurality of balls are arranged on the top surface of the U-shaped plate; through the U-shaped pipe, the U-shaped plate, the nut and the ball that set up, the effectual existing device of having avoided easily follows the main shaft and slides in the use, is favorable to carrying out spacing support to the main shaft, has increased the accurate nature of device.

Description

Main shaft supporting assembly for numerically-controlled grinding machine

Technical Field

The utility model relates to the technical field of numerically controlled grinders, in particular to a spindle supporting assembly for a numerically controlled grinder.

Background

The machine tool spindle refers to a spindle which drives a workpiece or a cutter to rotate on a machine tool, generally comprises a spindle part, a bearing, a transmission part (a gear or a belt pulley) and the like, and is mainly used for supporting transmission parts such as the gear and the belt pulley in the machine tool and transmitting movement and torque, such as the machine tool spindle; the spindle is used for clamping workpieces, such as mandrels, except for planing machines, broaching machines and other machine tools with linear motion main motion, most of the machine tools are provided with spindle parts, and the motion precision and the structural rigidity of the spindle parts are important factors for determining the processing quality and the cutting efficiency. The main shaft component performance measuring indexes are mainly rotation precision, rigidity and speed adaptability.

The existing spindle supporting device mostly adopts a single plane structure, the stability of a workpiece support to a spindle is not high, the spindle is not easy to adjust, and the phenomenon that a bearing slides along with the spindle in the polishing and machining processes is easily caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the main shaft supporting assembly for the numerical control grinding machine, and the U-shaped pipe, the U-shaped plate, the nut and the ball are arranged, so that the problem that the conventional device is easy to slide along with the main shaft in the use process is effectively avoided, the main shaft is favorably limited and supported, and the accuracy of the device is improved.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a main shaft supporting component for numerically control grinder, includes the drive seat, rather than the main shaft body of output joint, the preceding terminal surface welding of drive seat has the extensible member, the welding of the one end far away of extensible member apart from the drive seat has the U-shaped pipe, the outer wall thread bush of U-shaped pipe is equipped with the U-shaped board, the bottom threaded connection nut of U-shaped pipe, and the nut is located the U-shaped board under, the top surface of U-shaped board is equipped with a plurality of ball.

Preferably, the extensible member includes with the preceding terminal surface welded piercing tube of drive seat, the inner wall of piercing tube slides and wears to be equipped with the slide bar, the inside of piercing tube is equipped with spacing lug, and spacing lug runs through piercing tube to slide bar.

Preferably, the outer wall of the U-shaped pipe is provided with a thread groove, and the outer wall of the bent end of the U-shaped pipe is wrapped with a cushion pad.

Preferably, the number of the balls is an even number and the balls are distributed at equal intervals, and the balls can slide on the top surface of the U-shaped plate.

Preferably, the U-shaped pipe is opposite to the bent end of the U-shaped plate, and the U-shaped pipe and the U-shaped plate are distributed along the radial direction of the main shaft body.

Preferably, the diameter of the sliding rod is smaller than that of the through pipe, and the sliding rod can slide on the inner wall of the through pipe.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. through the arrangement of the U-shaped pipe, the U-shaped plate, the nut and the ball, the phenomenon that the existing device is easy to slide along with the main shaft in the use process is effectively avoided, the main shaft is favorably limited and supported, and the accuracy of the device is improved;

2. through the extensible member that sets up, effectually avoided current device can't adjust to lead to the main shaft center skew to the main shaft support distance, be favorable to adjusting device to support the distance, increased the device practicality.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the ball mounting structure of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the internal structure of the telescoping member of FIG. 1 according to the present invention;

wherein: 1. a driving seat; 2. a main shaft body; 3. a telescoping member; 4. a U-shaped tube; 5. a U-shaped plate; 6. a nut; 7. a ball bearing; 8. a cushion pad; 31. a feed-through tube; 32. a slide bar; 33. and a limiting bump.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental procedures in the following examples were carried out in a conventional manner unless otherwise specified, and materials, reagents and the like used in the following examples were commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-3, a main shaft supporting assembly for a numerically controlled grinder comprises a driving seat 1 and a main shaft body 2 clamped with an output end of the driving seat 1, wherein a telescopic part 3 is welded on the front end face of the driving seat 1, a U-shaped pipe 4 is welded on one end, far away from the driving seat 1, of the telescopic part 3, a U-shaped plate 5 is sleeved on the outer wall of the U-shaped pipe 4 in a threaded manner, a nut 6 is connected with the bottom end of the U-shaped pipe 4 in a threaded manner, the nut 6 is located right below the U-shaped plate 5, and a plurality of balls 7 are arranged on the top surface of the U-shaped plate 5; specifically, the method comprises the following steps: the number of the balls 7 is even and equidistantly distributed, and the balls 7 can slide on the top surface of the U-shaped plate 5;

the working principle is as follows: the staff is at first with 3 radial welding in the preceding terminal surface of drive seat 1 of extensible member, as shown in fig. 1, penetrate one end and 3 welded U-shaped pipe 4 bottoms of extensible member with U-shaped board 5 this moment, revolve later to revolve and twist nut 6 to 4 outer walls of U-shaped pipe and continue upwards revolving with it and twist the removal, until nut 6 drives ball 7 laminating in the 2 outer walls of main shaft body that the 5 top surfaces of U-shaped board set up, main shaft body 2 receives U-shaped

board

5 and 3 two-way support of extensible member this moment, and ball 7 that 5 top surfaces of U-shaped board set up when main shaft body 2 rotates follows the rotation, avoid U-shaped board 5 to follow the rotation of main shaft body 2 and break away from, the effectual existing device of having avoided easily follows the main shaft in the use and slides, be favorable to carrying out spacing support to the main shaft, the accurate nature of device has been increased.

As shown in fig. 3, the extensible member 3 includes a penetrating pipe 31 welded to the front end surface of the driving seat 1, a sliding rod 32 is slidably disposed through the inner wall of the penetrating pipe 31, a limiting protrusion 33 is disposed inside the penetrating pipe 31, and the limiting protrusion 33 penetrates through the penetrating pipe 31 to the sliding rod 32; when the staff needs adjusting device support distance, accessible pulling limit bump 33 makes it break away from drift tube 31 and slide bar 32, and pulling slide bar 32 slides at drift tube 31 inner wall afterwards and extends to needs support position department, drives U-shaped plate 5 with slide bar 32 welded U-shaped pipe 4 and follows the removal this moment, and the effectual unable adjustment of having avoided current device leads to main shaft center skew to main shaft support distance, is favorable to adjusting device support distance, has increased the device practicality.

As shown in fig. 3, the outer wall of the U-shaped tube 4 is provided with a thread groove, and the outer wall of the bent end of the U-shaped tube 4 is wrapped with a cushion pad 8; staff's accessible increases its shock-absorbing capacity at 4 crooked end outer walls parcel natural rubber blotters 8 of U-shaped pipe, is favorable to main shaft body 2 to rock the time to its buffering.

As shown in fig. 1, the U-shaped pipe 4 is opposite to the bent end of the U-shaped plate 5, and the U-shaped pipe 4 and the U-shaped plate 5 are distributed along the radial direction of the main shaft body 2; through radially distributing U-shaped pipe 4 and U-shaped board 5 along main shaft body 2 and the bending end is opposite, be favorable to U-shaped board 5 to carry out annular parcel with main shaft body 2 along U-shaped pipe 4 upward movement.

As shown in fig. 3, the diameter of the sliding rod 32 is smaller than that of the through pipe 31, and the sliding rod 32 can slide on the inner wall of the through pipe 31; the diameter of the sliding rod 32 is smaller than that of the piercing tube 31, and the sliding rod 32 can be located on the inner wall of the piercing tube 31 to slide, so that the sliding rod 32 can move to drive the U-shaped tube 4 to move and further adjust the supporting position of the U-shaped plate 5.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a main shaft supporting component for numerically control grinder, includes drive seat (1), with spindle body (2) of its output joint, its characterized in that: the welding of the preceding terminal surface of driving seat (1) has extensible member (3), the welding of extensible member (3) apart from driving seat (1) one end far away has U-shaped pipe (4), the outer wall thread bush of U-shaped pipe (4) is equipped with U-shaped plate (5), bottom threaded connection nut (6) of U-shaped pipe (4), and nut (6) are located U-shaped plate (5) under, the top surface of U-shaped plate (5) is equipped with a plurality of ball (7).

2. The spindle support assembly for a numerically controlled grinding machine according to claim 1, wherein: the telescopic piece (3) comprises a penetrating pipe (31) welded with the front end face of the driving seat (1), a sliding rod (32) penetrates through the inner wall of the penetrating pipe (31) in a sliding mode, a limiting lug (33) is arranged inside the penetrating pipe (31), and the limiting lug (33) penetrates through the penetrating pipe (31) to the sliding rod (32).

3. The spindle support assembly for a numerically controlled grinding machine according to claim 1, wherein: the outer wall of the U-shaped pipe (4) is provided with a thread groove, and the outer wall of the bent end of the U-shaped pipe (4) is wrapped with a cushion pad (8).

4. The spindle support assembly for a numerically controlled grinding machine according to claim 1, wherein: the quantity of the balls (7) is even number and is distributed at equal intervals, and the balls (7) can be positioned on the top surface of the U-shaped plate (5) to slide.

5. The spindle support assembly for a numerically controlled grinding machine according to claim 1, wherein: the U-shaped pipe (4) is opposite to the bent end of the U-shaped plate (5), and the U-shaped pipe (4) and the U-shaped plate (5) are distributed along the radial direction of the main shaft body (2).

6. The spindle support assembly for a numerically controlled grinding machine according to claim 2, wherein: the diameter of the sliding rod (32) is smaller than that of the through pipe (31), and the sliding rod (32) can be positioned on the inner wall of the through pipe (31) to slide.