CN215968202U

CN215968202U - Multi-section combined type grinding spindle of internal grinding machine

Info

Publication number: CN215968202U
Application number: CN202122140804.XU
Authority: CN
Inventors: 李文兴
Original assignee: Wuxi Mingshan Electromechanical Technology Co ltd
Current assignee: Wuxi Mingshan Electromechanical Technology Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-03-08
Anticipated expiration: 2031-09-06

Abstract

The utility model relates to the technical field of grinding spindles of internal grinding machines, in particular to a multi-section combined grinding spindle of an internal grinding machine, which comprises a device main body, wherein the device main body comprises a motor, external threads are arranged on the inner side of a clamping ring, a second connecting inner shaft is arranged inside a third connecting shaft, clamping grooves are arranged inside the third connecting shaft and positioned on two sides of the second connecting inner shaft, thread grooves are arranged on the inner side of the second connecting shaft and positioned in the clamping ring, a first connecting inner shaft is arranged inside the second connecting shaft, a connecting head is arranged on one side of the first connecting inner shaft, clamping structures for clamping each section of rotating shaft are arranged on the upper side and the lower side of the connecting head, through the arranged clamping structures, mutual clamping and disassembly between each section of rotating shaft can be facilitated, so that the length of the grinding spindle can be adjusted according to the length of a pipeline in the use process of the grinding spindle, and the practicability of the device is improved, the flexibility of the device is improved.

Description

Multi-section combined type grinding spindle of internal grinding machine

Technical Field

The utility model relates to the technical field of grinding spindles of dry internal grinding machines, in particular to a multi-section combined type grinding spindle of an internal grinding machine.

Background

The internal grinding machine is mainly used for grinding the surface of an inner hole formed by cylindrical, conical or other-shaped plain lines and the end surface of the inner hole. The internal grinding machine is classified into a general internal grinding machine and a universal internal grinding machine. Among them, the universal internal grinding machine is the most widely used one. The inner cylindrical surface, the inner conical surface, the step shaft end surface and the like of various shaft and sleeve workpieces can be ground on the inner circular grinding machine.

Although the grinding main shafts of the internal grinding machines on the market at present are various in variety, most of the grinding main shafts are only changed in form, the functions of the grinding main shafts are not changed greatly, and the grinding main shafts of the internal grinding machines at present cannot be adjusted according to the length of a pipeline in the using process, so that the practicability of the device is reduced, and the flexibility of the device is reduced.

Therefore, it is necessary to design a multi-segment combined grinding spindle of an internal grinding machine to solve the above problems in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multi-section combined type grinding spindle of an internal grinding machine, which aims to solve the problems in the background technology.

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

a multi-section combined grinding spindle of an internal grinding machine comprises a main body of the device, the main body of the device comprises a motor, the bottom of the motor is provided with a mounting lug, one side of the motor is provided with a first connecting shaft, one side of the first connecting shaft is provided with a second connecting shaft, a third connecting shaft is arranged at one side of the second connecting shaft, a polishing disc is arranged at one side of the third connecting shaft, a clamping ring is arranged at the outer side of the connecting part of the third connecting shaft and the second connecting shaft, an external thread is arranged on the inner side of the clamping ring, a second connecting inner shaft is arranged in the third connecting shaft, clamping grooves are arranged on two sides of the second connecting inner shaft in the third connecting shaft, a thread groove is arranged on the inner side of the second connecting shaft, which is positioned in the clamping ring, a first connecting inner shaft is arranged in the second connecting shaft, one side of the first connecting inner shaft is provided with a connector, and the upper side and the lower side of the connector are provided with clamping structures for clamping each section of rotating shaft.

As a preferable scheme of the utility model, the clamping structure comprises a spring, a telescopic socket and a clamping joint, the spring is sleeved outside the telescopic socket, the clamping joint is positioned at the top of the telescopic socket, and the clamping joint is fixedly connected with the top of the telescopic socket.

As a preferable scheme of the present invention, the clamping head is clamped and fixed with a clamping groove formed in the third connecting shaft.

As the preferable scheme of the utility model, the clamping ring is clamped with a thread groove formed in the second connecting shaft through an external thread arranged on the inner side.

As a preferable aspect of the present invention, the first connecting shaft is rotatably connected to the motor.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, through the arranged clamping structure, mutual clamping and disassembly of each section of rotating shaft can be facilitated, so that the length of the grinding main shaft can be adjusted according to the length of a pipeline in the use process of the grinding main shaft, the practicability of the device is improved, and the flexibility of the device is improved.

Drawings

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is an internal structural view of the present invention;

FIG. 3 is an enlarged view of part A of the present invention.

In the figure: 1. a device main body; 101. a motor; 102. mounting lugs; 2. a first connecting shaft; 3. a second connecting shaft; 301. a first connecting inner shaft; 302. a thread groove; 303. a connector; 304. a spring; 305. a telescopic socket; 306. a clamping head; 4. a third connecting shaft; 401. grinding disc; 402. a second connecting inner shaft; 403. a clamping groove; 404. a snap ring; 405. an external thread; 5. a clamping structure.

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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of providing a more thorough disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present invention provides a technical solution:

a multi-section combined grinding spindle of an internal grinding machine comprises a main body 1, the main body 1 comprises a motor 101, a mounting lug 102 is arranged at the bottom of the motor 101, a first connecting shaft 2 is arranged at one side of the motor 101, a second connecting shaft 3 is arranged at one side of the first connecting shaft 2, a third connecting shaft 4 is arranged at one side of the second connecting shaft 3, a polishing disc 401 is arranged at one side of the third connecting shaft 4, a clamping ring 404 is arranged at the outer side of the joint of the third connecting shaft 4 and the second connecting shaft 3, an external thread 405 is arranged at the inner side of the clamping ring 404, a second connecting inner shaft 402 is arranged inside the third connecting shaft 4, clamping grooves are arranged at two sides of the second connecting inner shaft 402 inside the third connecting shaft 4, a thread groove 302 is arranged at the inner side of the clamping ring 404 inside the second connecting shaft 3, a first connecting inner shaft 301 is arranged inside the second connecting shaft 3, a connecting head 303 is arranged at one side of the first connecting inner shaft 301, be equipped with the joint structure 5 that can supply to carry out the joint between every section pivot in both sides about connector 303, through the joint structure 5 that sets up, can be convenient for mutual joint and the dismantlement between every section pivot, make the grinding main shaft in the use, can adjust the length of grinding main shaft according to the length of pipeline, improve the practicality of device, make the flexibility of device improve.

In an embodiment, referring to fig. 2 and fig. 3, the clamping structure 5 includes a spring 304, an extensible socket 305 and a clamping head 306, the spring 304 is sleeved outside the extensible socket 305, the clamping head 306 is located at the top of the extensible socket 305, the clamping head 306 is fixedly connected with the top of the extensible socket 305, the clamping head 306 is clamped and fixed with a clamping groove 403 formed inside the third connecting shaft 4, and a certain pushing force can be provided for the clamping head 306 through the set extensible socket 305 and the spring 304, so that the clamping head 306 can be clamped and fixed with the clamping groove 403.

In an embodiment, referring to fig. 1 and fig. 2, the clamping ring 404 is clamped with the thread groove 302 formed in the second connecting shaft 3 through an external thread 405 formed on an inner side, the first connecting shaft 2 is rotatably connected with the motor 101, and the clamping ring 404 is arranged to further enhance the fixing strength and improve the overall quality of the spindle.

The working principle is as follows: when the length of the grinding spindle is required to be lengthened, an operator can connect the second connecting shaft 3 to lengthen the length of the grinding spindle or can shorten the length of the grinding spindle by removing the second connecting shaft 3, after the first connecting shaft 2 is clamped with the inside of the second connecting shaft 3, the clamping ring on the second connecting shaft 3 is clamped with the first connecting shaft 2, so that the first connecting shaft 2 and the second connecting shaft 3 are fixed, after the second connecting shaft 3 is clamped with the inside of the third connecting shaft 4, the clamping ring 404 arranged outside the third connecting shaft 4 is clamped with the thread groove 302 arranged outside the second connecting shaft 3 to complete the butt joint, thereby lengthening the length of the grinding spindle, when the length is required to be shortened, the second connecting shaft 3 is taken down, and then the clamping ring 404 arranged outside the third connecting shaft 4 is clamped with the first connecting shaft 2, thereby shortening the length of the grinding spindle.

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 an internal grinding machine multistage combination formula grinding main shaft, includes device main part (1), its characterized in that: the device main body (1) comprises a motor (101), a mounting lug (102) is arranged at the bottom of the motor (101), a first connecting shaft (2) is arranged on one side of the motor (101), a second connecting shaft (3) is arranged on one side of the first connecting shaft (2), a third connecting shaft (4) is arranged on one side of the second connecting shaft (3), a polishing disc (401) is arranged on one side of the third connecting shaft (4), a clamping ring (404) is arranged on the outer side of the joint of the third connecting shaft (4) and the second connecting shaft (3), external threads (405) are arranged on the inner side of the clamping ring (404), a second connecting inner shaft (402) is arranged inside the third connecting shaft (4), clamping grooves (403) are formed in two sides of the second connecting inner shaft (402) inside the third connecting shaft (4), threaded grooves (302) are formed in the inner side of the clamping ring (404) inside the second connecting shaft (3), and a first connecting inner shaft (301) is arranged inside the second connecting shaft (3), one side of the first connecting inner shaft (301) is provided with a connector (303), and the upper side and the lower side of the connector (303) are provided with clamping structures (5) for clamping each section of rotating shaft.

2. The multi-segment combined grinding spindle of the internal grinding machine according to claim 1, characterized in that: the clamping structure (5) comprises a spring (304), an expansion socket (305) and a clamping connector (306), the spring (304) is sleeved on the outer side of the expansion socket (305), the clamping connector (306) is located at the top of the expansion socket (305), and the clamping connector (306) is fixedly connected with the top of the expansion socket (305).

3. The multi-segment combined grinding spindle of the internal grinding machine according to claim 2, characterized in that: the clamping joint (306) is clamped and fixed with a clamping groove (403) formed in the third connecting shaft (4).

4. The multi-segment combined grinding spindle of the internal grinding machine according to claim 1, characterized in that: the clamping ring (404) is clamped with a thread groove (302) formed in the second connecting shaft (3) through an external thread (405) arranged on the inner side.

5. The multi-segment combined grinding spindle of the internal grinding machine according to claim 1, characterized in that: the first connecting shaft (2) is rotatably connected with the motor (101).