CN109048615B

CN109048615B - Cutting machine convenient to fix and change emery wheel

Info

Publication number: CN109048615B
Application number: CN201810917998.XA
Authority: CN
Inventors: 不公告发明人
Original assignee: Wuhu Chuangyuan New Materials Co ltd
Current assignee: WUHU CHUANGYUAN NEW MATERIALS Co.,Ltd.
Priority date: 2018-08-13
Filing date: 2018-08-13
Publication date: 2020-10-30
Anticipated expiration: 2038-08-13
Also published as: CN109048615A

Abstract

The invention relates to the technical field of machining, in particular to a cutting machine convenient for fixing and replacing a grinding wheel, which comprises a main body and a connecting shaft, wherein the right side of the top end of the main body is rotatably connected with the connecting shaft, the top end of the connecting shaft is fixedly connected with a screw rod, the outer side of the connecting shaft is fixedly connected with a supporting block, the top end of the supporting block is provided with the grinding wheel, the top end of the connecting shaft is fixedly connected with a vertically arranged sleeve, the left side and the right side of the front end surface of the sleeve are respectively rotatably connected with a fixing ring, and the inner side of the bottom end of the fixing ring is rotatably connected with a fixing rod. Has huge economic benefit and wide market prospect, and is worth popularizing and using.

Description

Cutting machine convenient to fix and change emery wheel

Technical Field

The invention relates to the technical field of machining, in particular to a cutting machine convenient for fixing and replacing a grinding wheel.

Background

The abrasive wheel cutting machine is a common device for cutting materials such as metal square flat tubes, square flat steels, I-shaped steels, channel steels, carbon steel steels, element tubes and the like, but the abrasive wheel cutting machine is extremely abraded and needs to frequently cut abrasive wheels, particularly a handheld cutting machine.

Abrasive wheel cutting machine who appears in the existing market, most simple structure, the function is single, cutting machine needs manual dismantlement to fixation nut with the spanner when changing the emery wheel, it is inconvenient to dismantle, it is inefficient to change, and still will use the spanner, and general abrasive wheel cutting machine need fix the emery wheel with the hand earlier when fixing the emery wheel in addition, has caused the potential safety hazard to user's safety, has reduced the security, consequently, propose a cutting machine convenient to fix and change the emery wheel to above-mentioned problem.

Disclosure of Invention

The present invention is directed to a cutting machine that facilitates the attachment and replacement of a grinding wheel to solve the problems set forth in the background art.

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

a cutting machine convenient for fixing and replacing a grinding wheel comprises a main body and a connecting shaft, wherein the right side of the top end of the main body is rotatably connected with the connecting shaft, the top end of the connecting shaft is fixedly connected with a screw rod, the outer side of the connecting shaft is fixedly connected with a supporting block, the top end of the supporting block is provided with the grinding wheel, the screw rod is sleeved with a sleeve, the left side and the right side of the front end surface of the sleeve are respectively rotatably connected with a fixing ring, the inner side of the bottom end of the fixing ring is rotatably connected with a fixing rod, the inner sides of the left end surface and the right end surface of the sleeve are respectively provided with a first chute, one end of the fixing rod is fixedly connected with a sliding block, the sliding block is slidably connected with the first chute, the top end of the fixing rod is fixedly connected with a spring, the spring is fixedly, the utility model discloses a safety protection device for railway carriage, including gag lever post, fixed plate, protective housing, main part fixed connection, the left end inboard of gag lever post is rotated and is connected with vertical axis, the top of vertical axis and the equal fixed plate that the level set up in the bottom outside, the rear end face fixedly connected with protective housing of fixed plate, and protective housing and main part fixed connection, the outside of vertical axis is provided with the torsional spring, and the upper and lower both ends of torsional spring respectively with fixed plate and gag lever post fixed.

Preferably, the top end of the screw is fixedly connected with a horizontally arranged block.

Preferably, the outer diameter of the sliding block is equal to the inner diameter of the first sliding chute.

Preferably, the shape of the fixing ring is in a U-shaped arrangement.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the grinding wheel fixing device, the torsion spring, the fixing plate, the vertical shaft, the limiting rod, the second sliding chute and the sleeve are arranged, so that the sleeve can be limited in position under the action of the limiting rod to prevent the sleeve from rotating together with the screw rod when working, the problem that the sleeve needs to be manually fixed when a grinding wheel is fixed is solved, and the safety of workers during replacement is improved;

2. according to the grinding wheel fixing device, the fixing ring, the screw rod, the spring, the fixing rod, the sliding block, the first sliding groove and the blocking block are arranged, so that the fixing ring and the fixing rod can move under the action of the screw rod, the grinding wheel can be quickly fixed, the trouble that a nut needs to be disassembled by a wrench when the grinding wheel is fixed is solved, the fixing and disassembling efficiency is improved, and the grinding wheel fixing device has huge economic benefits and wide market prospects, and is worthy of popularization and use.

Drawings

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

FIG. 2 is a schematic view of the structure of FIG. 1 at point A according to the present invention;

FIG. 3 is a schematic view of an installation structure of the limiting rod of the present invention;

FIG. 4 is a schematic structural diagram of FIG. 3 at B according to the present invention.

In the figure: the grinding wheel device comprises a main body 1, a connecting shaft 2, a grinding wheel 3, a protective shell 4, a fixing rod 5, a fixing ring 6, a blocking block 7, a screw rod 8, a torsion spring 9, a fixing plate 10, a limiting rod 11, a vertical shaft 12, a sliding block 13, a limiting block 14, a spring 15, a sleeve 16, a supporting block 17, a first sliding chute a second sliding chute b.

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.

Referring to fig. 1-4, the present invention provides a technical solution:

a cutting machine convenient for fixing and replacing a grinding wheel comprises a main body 1 and a connecting shaft 2, wherein the right side of the top end of the main body 1 is rotatably connected with the connecting shaft 2, the top end of the connecting shaft 2 is fixedly connected with a screw 8, the outer side of the connecting shaft 2 is fixedly connected with a supporting block 17, the top end of the supporting block 17 is provided with the grinding wheel 3, a sleeve 16 is combined with the screw sleeve 8, the left side and the right side of the front end surface of the sleeve 16 are rotatably connected with a fixing ring 6, the inner side of the bottom end of the fixing ring 6 is rotatably connected with a fixing rod 5, the inner sides of the left end surface and the right end surface of the sleeve 16 are respectively provided with a first chute a, one end of the fixing rod 5 is fixedly connected with a sliding block 13, the sliding block 13 is slidably connected with the first chute a, the top end of the, second spout b has been seted up to the rear end face of sleeve 16, the inboard sliding connection of second spout b has gag lever post 11, the inboard rotation of left end of gag lever post 11 is connected with vertical axis 12, the top of vertical axis 12 and the equal fixed plate 10 that the level set up in the bottom outside, the rear end face fixedly connected with protective housing 4 of fixed plate 10, and protective housing 4 and 1 fixed connection of main part, the outside of vertical axis 12 is provided with torsional spring 9, and the upper and lower both ends of torsional spring 9 respectively with fixed plate 10 and gag lever post 11 fixed connection.

The top fixed connection of screw rod 8 has the sprue 7 that the level set up, can carry on spacingly to sleeve 16 through the effect of sprue 7, prevents that sleeve 16's accident from droing, stopper 14's total two of number, and even distribution is around sleeve 16, can carry on spacingly to solid fixed ring 6 through stopper 14's effect, prevents solid fixed ring 6 the phenomenon of rocking from appearing, the external diameter of slider 13 equals with the internal diameter size of first spout an, can guarantee that slider 13 can not appear rocking in sliding in first spout an, guarantees the stability of during operation, gu fixed ring 6's shape is "U" type setting, can fix emery wheel 3 through solid fixed ring 6's effect, prevents that emery wheel 3 during operation from appearing becoming flexible.

The working process is as follows: before the quick fixing device is used, electricity is firstly conducted, when the grinding wheel 3 needs to be replaced, the limiting rod 11 is firstly separated from the second sliding groove b on the sleeve 16, meanwhile, the torsion spring 9 correspondingly rotates, then the grinding wheel 3 penetrates through the sleeve 16 and is placed on the supporting block 17, then the limiting rod 11 is clamped with the second sliding groove b, then the connecting shaft 2 rotates to drive the screw 8 and the blocking block 7 to rotate, then the sleeve 16 moves downwards under the action of the screw 8 to drive the fixing ring 6 and the fixing rod 5 to be opened towards two sides until the fixing ring 6 is in contact with the limiting block 14, at the moment, the fixing rod 5 is horizontal, and the spring 15 also correspondingly contracts, so that the grinding wheel 3 can be quickly fixed and replaced.

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

Claims

1. The utility model provides a cutting machine convenient to fix and change emery wheel, includes main part (1) and connecting axle (2), its characterized in that: the grinding wheel grinding machine is characterized in that the right side of the top end of the main body (1) is rotatably connected with a connecting shaft (2), the top end of the connecting shaft (2) is fixedly connected with a screw rod (8), the outer side of the connecting shaft (2) is fixedly connected with a supporting block (17), the top end of the supporting block (17) is provided with a grinding wheel (3), the screw rod (8) is sleeved with a sleeve (16), the left side and the right side of the front end face of the sleeve (16) are rotatably connected with a fixing ring (6), the inner side of the bottom end of the fixing ring (6) is rotatably connected with a fixing rod (5), the inner sides of the left end face and the right end face of the sleeve (16) are respectively provided with a first sliding groove (a), one end of the fixing rod (5) is fixedly connected with a sliding block (13), the sliding block (13) is slidably connected with the, the utility model discloses a safety protection sleeve, including sleeve (16), the equal fixedly connected with stopper (14) of both ends face about sleeve (16), second spout (b) have been seted up to the rear end face of sleeve (16), the inboard sliding connection of second spout (b) has gag lever post (11), the left end inboard of gag lever post (11) is rotated and is connected with vertical axis (12), the top of vertical axis (12) and the equal fixedly connected with fixed plate (10) that the level set up in the bottom outside, the rear end face fixedly connected with protective housing (4) of fixed plate (10), and protective housing (4) and main part (1) fixed connection, the outside of vertical axis (12) is provided with torsional spring (9), and the upper and lower both ends of torsional spring (9) respectively with fixed plate (10) and gag lever post (11) fixed connection.

2. A cutting machine facilitating the mounting and replacement of grinding wheels according to claim 1, wherein: the top end of the screw rod (8) is fixedly connected with a blocking block (7) which is horizontally arranged.

3. A cutting machine facilitating the mounting and replacement of grinding wheels according to claim 1, wherein: the outer diameter of the sliding block (13) is equal to the inner diameter of the first sliding chute (a).

4. A cutting machine facilitating the mounting and replacement of grinding wheels according to claim 1, wherein: the shape of the fixing ring (6) is U-shaped.