CN218799196U

CN218799196U - Anti-loosening device for cutter screw

Info

Publication number: CN218799196U
Application number: CN202222932719.1U
Authority: CN
Inventors: 李俊贤
Original assignee: Dongguan Zaoqun Machinery Electronic Technology Co ltd
Current assignee: Dongguan Zaoqun Machinery Electronic Technology Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-04-07
Anticipated expiration: 2032-11-03

Abstract

The utility model discloses a cutter screw locking device, which belongs to the technical field of machining and comprises a cutter body, a cutter neck and a cutter handle, wherein the cutter body is connected with the cutter handle through the cutter neck, the surface of the cutter body is provided with a blade assembly part, the inside of the blade assembly part is provided with a blade through a blade locking screw, and the outer surface of the cutter body is inwards provided with a locking screw groove; the utility model discloses a set up the locking screw groove in intercommunication lock blade screw hole on cutter body surface, can install the blade installation when lock blade screw is installed in lock blade screw hole, install the machine meter screw thread inside the locking screw groove after the installation, and make the machine meter screw tip lock at the screw surface of lock blade screw, lock blade screw hole, greatly reduced lock blade screw take place not hard up phenomenon, thereby reduce the screw fracture condition emergence of blade fracture even that causes the lock blade, reduce the cost of manufacturing, the efficiency of work is improved.

Description

Anti-loosening device for cutter screw

Technical Field

The utility model relates to a machining technology field specifically is cutter screw locking device.

Background

A cutting tool is a tool used for cutting work in machine manufacturing. Most knives are machine, but also hand-held. Since tools used in machine manufacturing are basically used for cutting metal materials, the term "tool" is generally understood to mean a metal cutting tool. At present, when a cutter is used for a long time, a phenomenon that a screw of a blade lock of the cutter is easy to loosen is caused, and when the condition that the screw of the blade lock is broken or even the blade is broken is easily caused when the cutter is not found and treated in time for continuous use, so that the working efficiency is reduced, the manufacturing cost is increased, and therefore a screw locking device of the cutter needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cutter screw locking device can improve the stable effect fixed to the blade to lock blade screw to greatly reduced lock blade screw and taken place not hard up phenomenon, prevented to cause the screw fracture of lock blade or even the cracked condition of blade, reduced the cost of manufacturing, improved the efficiency of work, in order to solve the problem of proposing among the above-mentioned background art.

To achieve the above object, the utility model provides a: cutter screw locking device, including cutter body, sword neck and handle of a knife, the cutter body passes through the sword neck and is connected with the handle of a knife, blade assembly portion has been seted up on the surface of cutter body, the blade is installed through lock blade screw in the inside of blade assembly portion, the surface of cutter body has inwards seted up the locking screw groove, the inside machine rice screw that is provided with of locking screw groove, machine rice screw end connection lock blade screw's flank of thread, the one end of blade is located the assembly inslot and is provided with the blade benchmark and leans on the limit.

Preferably, the blade reference abutting edge is attached to the inner wall of the blade assembling groove, and the end part of the blade is connected to the surface of the blade reference abutting edge.

Preferably, the inner wall of the blade assembling part is provided with a blade locking screw hole, and the inner cavity of the locking screw groove is communicated to the blade locking screw hole.

Preferably, the surface of the blade is provided with a blade positioning hole, and one end of the blade locking screw penetrates through the blade positioning hole and is mounted in the blade locking screw hole through threads.

Preferably, the two ends of the cutter neck are end faces with different sizes, and the two ends of the cutter neck are respectively connected with the cutter body and the end part of the cutter handle.

Preferably, the knife handle is provided with a limiting part, the limiting part is formed by arranging two planes at intervals along the length direction of the knife handle, and the two planes are located at the same circumferential position on the knife handle.

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

1. the utility model discloses a cooperation setting of lock blade screw and machine rice screw isotructure, through set up the locking screw groove that communicates lock blade screw hole on the cutter body surface, can install the blade installation when lock blade screw is installed in lock blade screw hole, install machine rice screw thread inside the locking screw groove after the installation, and make the machine rice screw tip lock at the screw thread surface of lock blade screw, lock blade screw hole, greatly reduced lock blade screw take place not hard up phenomenon, thereby reduce the screw fracture that causes the lock blade even blade fracture condition take place, reduce the cost of manufacturing, improve the efficiency of work;

2. the utility model discloses a blade assembly portion and blade benchmark lean on the setting of limit isotructure, be provided with the blade benchmark through the laminating of the blade assembly portion inner wall of seting up on the cutter body surface and lean on the limit, when the blade was installed through lock blade screw, make the blade tip closely laminate and lean on the limit surface at the blade benchmark, play the location to the blade, can improve the stable effect to lock blade screw to the blade is fixed to avoid the blade about drunkenness and not hard up.

Drawings

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

FIG. 2 is a schematic view of the structure of the knife body of the present invention;

FIG. 3 is a schematic view of a partially sectioned structure of the cutter body of the present invention;

fig. 4 is a schematic view of the top-view partially-cut structure of the conductor of the present invention.

In the figure: 1. a cutter body; 101. a blade fitting section; 102. a lock blade screw hole; 103. locking the screw groove; 2. a cutter neck; 3. a knife handle; 301. a limiting part; 4. a blade; 401. a blade positioning hole; 5. locking the blade screw; 6. the blade datum is close to the edge; 7. machine rice screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides: cutter screw locking device, including cutter body 1, sword neck 2 and handle of a knife 3, cutter body 1 is connected with handle of a knife 3 through sword neck 2, blade assembly portion 101 has been seted up on the surface of cutter body 1, blade 4 is installed through locking blade screw 5 in the inside of blade assembly portion 101, locking screw groove 103 has inwards been seted up to the surface of cutter body 1, locking screw groove 103 is inside to be provided with machine rice screw 7, on the screw thread face of 7 end connection lock blade screws 5 of machine rice screw, the one end of blade 4 is located the assembly groove and is provided with the blade benchmark and leans on limit 6.

It is worth to say that through the cooperation of the blade assembling portion 101, the blade locking screw 5, the blade reference edge 6, the machine meter screw 7 and other structures, the fixing stability effect of the blade locking screw 5 on the blade 4 can be improved, the phenomenon that the blade locking screw 5 is loosened is greatly reduced, the situation that the screw of the blade locking screw 4 is broken and even the blade 4 is broken is prevented, the manufacturing cost is reduced, and the working efficiency is improved.

Specifically, the blade reference abutting edge 6 is attached to the inner wall of the blade 4 assembling groove, and the end part of the blade 4 is connected to the surface of the blade reference abutting edge 6. Preferably, the positioning effect on the blade 4 can be enhanced by arranging the blade reference leaning edge 6, the blade 4 can be conveniently and stably installed by arranging the blade 4 assembling groove, the blade 4 reference is matched to be arranged, the effect of fixing the blade 4 by the blade locking screw 5 can be improved, and the blade 4 is prevented from moving left and right.

The inner wall of the blade assembly part 101 is provided with a blade locking screw hole 102, and the inner cavity of the locking screw groove 103 is communicated to the blade locking screw hole 102. The surface of the blade 4 is provided with a blade positioning hole 401, and one end of the blade-locking screw 5 passes through the blade positioning hole 401 and is installed in the blade-locking screw hole 102 through a thread.

Further, the blade locking screw hole 102 is used for assembling the blade locking screw 5, so that the blade 4 is installed through the blade locking screw 5, and the locking screw hole is used for installing the screw 7, so that the blade 4 can be tightly pressed on the surface of the blade locking screw 5 after the blade locking screw 5 is used for fixing the blade 4, the blade locking screw 5 is fixed, and the loosening effect of the blade locking screw 5 is prevented.

In addition, the both ends of the cutter neck 2 are end faces with different sizes, and the both ends of the cutter neck 2 are respectively connected with the end parts of the cutter body 1 and the cutter handle 3. The tool neck 2 is a connecting part between the tool setting body 1 and the tool holder 3, so that the tool setting body 1 and the tool holder 3 become a tool, wherein the tool holder 3 is provided with a limiting part 301, the limiting part 301 is provided with two planes at intervals along the length direction of the tool holder 3, and the two planes are located at the same circumferential position on the tool holder 3. Through spacing portion 301 on the handle of a knife 3, can improve the effect fixed to handle of a knife 3 to guarantee the stability of installation.

Through the fact that the locking screw groove 103 communicated with the blade locking screw hole 102 is formed in the surface of the cutter body 1, when the blade locking screw 5 is installed in the blade locking screw hole 102, the blade 4 can be installed and installed, the machine-meter screw 7 is installed in the locking screw groove 103 in a threaded mode after installation, the end portion of the machine-meter screw 7 is locked on the threaded surface of the blade locking screw 5, the blade locking screw hole 102 is locked, the phenomenon that the blade locking screw 5 is loosened is greatly reduced, the situation that the screw of the blade locking screw 4 is broken and even the blade 4 is broken is reduced, manufacturing cost is reduced, and working efficiency is improved; the blade reference abutting edge 6 is attached to the inner wall of the blade assembling portion 101 formed in the surface of the cutter body 1, when the blade 4 is installed through the blade locking screw 5, the end portion of the blade 4 is tightly attached to the surface of the blade reference abutting edge 6, the blade 4 is positioned, the effect of stabilizing the blade 4 by the blade locking screw 5 can be improved, and the blade 4 is prevented from moving and loosening left and right.

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. Cutter screw locking device, including cutter body (1), sword neck (2) and handle of a knife (3), cutter body (1) is connected its characterized in that through sword neck (2) and handle of a knife (3): blade assembly portion (101) have been seted up on the surface of cutter body (1), blade (4) are installed through lock blade screw (5) to the inside of blade assembly portion (101), locking screw groove (103) have inwards been seted up to the surface of cutter body (1), inside machine rice screw (7) that is provided with of locking screw groove (103), on the helicoid of machine rice screw (7) end connection lock blade screw (5), the one end of blade (4) is located the assembly inslot and is provided with the blade benchmark and leans on limit (6).

2. The tool screw anti-loosening device of claim 1, wherein: the blade reference abutting edge (6) is attached to the inner wall of the blade (4) assembling groove, and the end part of the blade (4) is connected to the surface of the blade reference abutting edge (6).

3. The tool screw anti-loosening device as claimed in claim 1, wherein: the inner wall of the blade assembly part (101) is provided with a blade locking screw hole (102), and the inner cavity of the locking screw groove (103) is communicated to the blade locking screw hole (102).

4. The tool screw loosening prevention device of claim 3, wherein: the surface of the blade (4) is provided with a blade positioning hole (401), and one end of the blade locking screw (5) penetrates through the blade positioning hole (401) and is installed in the blade locking screw hole (102) through threads.

5. The tool screw anti-loosening device of claim 1, wherein: the utility model discloses a cutter, including cutter neck (2), cutter handle (3), cutter neck (2) both ends are the terminal surface of variation in size, cutter neck (2) both ends are the connecting cutter body (1) and handle of a knife (3) tip respectively.

6. The tool screw anti-loosening device of claim 1, wherein: the knife handle is characterized in that a limiting portion (301) is arranged on the knife handle (3), two planes are arranged at intervals in the length direction of the knife handle (3) in the limiting portion (301), and the two planes are located at the same circumferential position on the knife handle (3).