CN216066542U

CN216066542U - Digit control machine tool variable speed structure

Info

Publication number: CN216066542U
Application number: CN202121948221.3U
Authority: CN
Inventors: 周熙
Original assignee: Suzhou Jiu Feng Rui Precision Technology Co ltd
Current assignee: Suzhou Jiu Feng Rui Precision Technology Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-03-18
Anticipated expiration: 2031-08-18

Abstract

The utility model relates to the technical field of numerical control machines, in particular to a speed change structure of a numerical control machine, which comprises an outer box, a driving shaft and a driving joint, wherein the right side inside the outer box is rotatably connected with the driving shaft, the middle position of the driving shaft is fixedly connected with a transmission gear, the upper side wall and the lower side wall of the left side inside the outer box are both slidably connected with an I-shaped sliding plate, the inner side of the I-shaped sliding plate is rotatably connected with a shaft sleeve, the inner side of the shaft sleeve is slidably connected with a sliding shaft, the upper side of the sliding shaft is fixedly connected with a first gear, the middle position of the sliding shaft is fixedly connected with a second gear, the lower side of the sliding shaft is fixedly connected with a third gear, and the outer side of the second gear is provided with a transmission plate. The rotating speed of the transmission gear can be adjusted.

Description

Digit control machine tool variable speed structure

Technical Field

The utility model relates to the technical field of numerical control machines, in particular to a speed change structure of a numerical control machine.

Background

With the development of society, the application of numerical control machine tools is becoming more extensive, and numerical control machine tools are short for digital control machine tools, and are automatic machine tools equipped with a program control system, which can logically process programs specified by control codes or other symbolic instructions, decode the programs, represent the programs by coded numbers, input the programs into a numerical control device through an information carrier, and send various control signals through operation processing by the numerical control device to control the action of the machine tools, and automatically process parts according to the shapes and sizes required by drawings.

In the prior art, when a numerical control machine tool is used, the speed of the workpiece can not be adjusted, so that the precision machining of the workpiece is influenced; and the speed can not be stably and rapidly adjusted when the speed is adjusted, thereby influencing the speed change treatment of the numerical control machine tool and being not beneficial to the processing and use of workpieces.

SUMMERY OF THE UTILITY MODEL

The present invention provides a speed changing structure of a numerical control machine tool to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a numerical control machine tool speed change structure comprises an outer box, a driving shaft and a driving joint, wherein the driving shaft is rotatably connected to the right side inside the outer box, a transmission gear is fixedly connected at the middle position of the driving shaft, the upper side wall and the lower side wall of the left side inside the outer box are both connected with an I-shaped sliding plate in a sliding way, the inner side of the I-shaped sliding plate is rotatably connected with a shaft sleeve, the inner side of the shaft sleeve is connected with a sliding shaft in a sliding way, a first gear is fixedly connected with the upper side of the sliding shaft, a second gear is fixedly connected with the middle position of the sliding shaft, a third gear is fixedly connected with the lower side of the sliding shaft, a transmission plate is arranged on the outer side of the second gear, the transmission plate is rotationally connected with the sliding shaft, the outer side of the shaft sleeve is rotationally connected with a sleeve, the telescopic box is characterized in that a telescopic rod is fixedly connected to the left end of the sleeve, a first spring is arranged on the inner side of the telescopic rod, and the telescopic rod is fixedly connected with the outer box.

Preferably, the lower end of the driving shaft is fixedly connected with a driving joint, and the driving joint is rotatably connected with the outer box.

Preferably, the upper end of the shaft sleeve is provided with a motor, the shaft sleeve is rotatably connected with the motor through an output shaft, and the motor is fixedly connected with the I-shaped sliding plate.

Preferably, a support rod is connected to the inside of the front side of the transmission plate in a sliding manner, the support rod is fixedly connected with the I-shaped sliding plate, a speed change grip is fixedly connected to the front end of the transmission plate, and the speed change grip is connected with the outer box in a sliding manner.

Preferably, a second spring is arranged inside the shaft sleeve, and the second spring is connected with the sliding shaft in a sliding mode.

Preferably, the front wall of the outer box is provided with a speed changing clamping groove.

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

1. according to the utility model, through the arrangement of the I-shaped sliding plate, the sliding shaft and the transmission plate, the sliding shaft can drive the first gear, the second gear and the third gear to move by utilizing the movement of the transmission plate, so that the connection with the transmission gear can be replaced, the rotating speed of the transmission gear can be adjusted, and the motor and the sliding shaft can simultaneously move under the action of the arranged I-shaped sliding plate, so that the motor can drive the sliding shaft to continuously rotate;

2. according to the utility model, through the sleeve, the telescopic rod and the first spring, when the speed is changed, the shaft sleeve can drive the sleeve to move, so that the telescopic rod is contracted, the first spring is extruded, the first spring has elastic acting force, the shaft sleeve can be pushed to the right side when the speed is adjusted, and the first gear, the second gear and the third gear can be connected with the transmission gear after switching, so that the speed change treatment of a numerical control machine tool is facilitated.

Drawings

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

FIG. 2 is a cross-sectional view of the mounting structure of FIG. 1 in accordance with the present invention;

FIG. 3 is a sectional view showing an installation structure of a shaft sleeve, a sliding shaft and a driving plate according to the present invention;

FIG. 4 is a right side view of the mounting structure of the driving plate, the supporting rod and the shifting knob of the present invention;

fig. 5 is a sectional view showing an installation structure of the telescopic bar and the first spring according to the present invention.

In the figure: 1. an outer box; 2. a drive shaft; 3. a transmission gear; 4. an i-shaped slide plate; 5. a shaft sleeve; 6. a sliding shaft; 7. a first gear; 8. a second gear; 9. a third gear; 10. a drive plate; 11. a sleeve; 12. a telescopic rod; 13. a first spring; 14. a drive joint; 15. a motor; 16. a support bar; 17. a speed change grip; 18. a second spring; 19. speed change card slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Embodiment 1 referring to fig. 1 to 5, the present invention provides a technical solution: a numerical control machine tool speed change structure comprises an outer box 1, a driving shaft 2 and a driving joint 14, wherein the driving shaft 2 is rotatably connected to the right side inside the outer box 1, a transmission gear 3 is fixedly connected to the middle position of the driving shaft 2, an I-shaped sliding plate 4 is slidably connected to the upper side wall and the lower side wall of the left side inside the outer box 1, a shaft sleeve 5 is rotatably connected to the inner side of the I-shaped sliding plate 4, a sliding shaft 6 is slidably connected to the inner side of the shaft sleeve 5, a first gear 7 is fixedly connected to the upper side of the sliding shaft 6, a second gear 8 is fixedly connected to the middle position of the sliding shaft 6, a third gear 9 is fixedly connected to the lower side of the sliding shaft 6, speed switching can be performed by switching the first gear 7, the second gear 8 and the third gear 9, a driving plate 10 is arranged on the outer side of the second gear 8, the driving plate 10 is rotatably connected with the sliding shaft 6, so as to facilitate moving processing of the sliding shaft 6, thereby realize the switching to the speed, the outside of axle sleeve 5 is rotated and is connected with sleeve pipe 11, sleeve pipe 11's left end fixedly connected with telescopic link 12, the inboard of telescopic link 12 is equipped with first spring 13, be convenient for remove slide shaft 6 to the right side propelling movement when removing slide shaft 6, thereby be convenient for remove and fix the use to slide shaft 6, the upper end of axle sleeve 5 is equipped with motor 15, axle sleeve 5 passes through to rotate between output shaft and the motor 15 to be connected, fixed connection between motor 15 and the I-shaped slide 4, thereby make I-shaped slide 4 can drive motor 15 and slide shaft 6 and remove simultaneously at the removal in-process, thereby can not influence the processing use to the work piece when the variable speed.

Example 2: referring to fig. 1, fig. 3 and fig. 4, the present embodiment is different from embodiment 1 in that: the inside sliding connection of the front side of the driving plate 10 has the supporting rod 16, the driving plate 10 is convenient to limit and support, the supporting rod 16 is fixedly connected with the I-shaped sliding plate 4, the front end of the driving plate 10 is fixedly connected with the speed change grip 17, the speed change grip 17 is slidably connected with the outer box 1, the switching of the rotating speed is realized by moving the speed change grip 17, the second spring 18 is arranged inside the shaft sleeve 5, the second spring 18 is slidably connected with the sliding shaft 6, the speed change grip 17 is convenient to push downwards, therefore, the speed change grip 17 can be stably installed in the speed change clamping groove 19, and the sliding shaft 6 is prevented from sliding during machining of a machine tool.

The working process is as follows: when the device is used, a machine tool power supply is adopted for supplying power, when the numerical control machine tool is subjected to variable speed adjustment, the variable speed handle 17 is moved in the variable speed clamping groove 19, so that the sliding shaft 6 drives the first gear 7, the second gear 8 and the third gear 9 to rotate, the shaft sleeve 5 drives the sleeve 11 to move, the telescopic rod 12 is contracted, the first spring 13 is extruded, the second spring 18 is compressed through the up-and-down movement of the sliding shaft 6, the variable speed handle 17 can be moved to the right end fixing position of the variable speed clamping groove 19 through the action of the first spring 13 and the second spring 18 after the variable speed handle 17 is moved to the corresponding speed adjusting position, the connection of the first gear 7, the second gear 8 and the third gear 9 with the transmission gear 3 can be switched, the rotating speed of the transmission gear 3 can be adjusted, and the numerical control machine tool can process workpieces more finely, meanwhile, the I-shaped sliding plate 4 can drive the motor 15 to move while the shaft sleeve 5 and the sliding shaft 6 are limited and supported by the sliding connection of the I-shaped sliding plate 4 and the outer box 1, so that the motor 15 can continuously drive the first gear 7, the second gear 8 and the third gear 9 to rotate, a workpiece can be subjected to speed switching in the machining process, and the workpiece can be conveniently machined and used.

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 digit control machine tool variable speed structure, includes outer container (1), drive shaft (2) and drive joint (14), its characterized in that: a driving shaft (2) is rotatably connected to the right side of the inside of the outer box (1), a transmission gear (3) is fixedly connected to the middle position of the driving shaft (2), an I-shaped sliding plate (4) is slidably connected to the upper side wall and the lower side wall of the left side of the inside of the outer box (1), a shaft sleeve (5) is rotatably connected to the inner side of the I-shaped sliding plate (4), a sliding shaft (6) is slidably connected to the inner side of the shaft sleeve (5), a first gear (7) is fixedly connected to the upper side of the sliding shaft (6), a second gear (8) is fixedly connected to the middle position of the sliding shaft (6), a third gear (9) is fixedly connected to the lower side of the sliding shaft (6), a transmission plate (10) is arranged on the outer side of the second gear (8), the transmission plate (10) is rotatably connected with the sliding shaft (6), and a sleeve (11) is rotatably connected to the outer side of the shaft sleeve (5), the left end fixedly connected with telescopic link (12) of sleeve pipe (11), the inboard of telescopic link (12) is equipped with first spring (13), fixed connection between telescopic link (12) and outer container (1).

2. The numerical control machine tool speed changing structure according to claim 1, wherein: the lower end of the driving shaft (2) is fixedly connected with a driving joint (14), and the driving joint (14) is rotatably connected with the outer box (1).

3. The numerical control machine tool speed changing structure according to claim 1, wherein: the upper end of the shaft sleeve (5) is provided with a motor (15), the shaft sleeve (5) is rotatably connected with the motor (15) through an output shaft, and the motor (15) is fixedly connected with the I-shaped sliding plate (4).

4. The numerical control machine tool speed changing structure according to claim 1, wherein: the inner part of the front side of the transmission plate (10) is connected with a support rod (16) in a sliding mode, the support rod (16) is fixedly connected with the I-shaped sliding plate (4), the front end of the transmission plate (10) is fixedly connected with a speed change grip (17), and the speed change grip (17) is connected with the outer box (1) in a sliding mode.

5. The numerical control machine tool speed changing structure according to claim 1, wherein: and a second spring (18) is arranged in the shaft sleeve (5), and the second spring (18) is connected with the sliding shaft (6) in a sliding manner.

6. The numerical control machine tool speed changing structure according to claim 1, wherein: the front wall of the outer box (1) is provided with a speed changing clamping groove (19).