CN211840183U

CN211840183U - Cutting blade for lathe

Info

Publication number: CN211840183U
Application number: CN201921628215.2U
Authority: CN
Inventors: 不公告发明人
Original assignee: Guiyang Ruixin Machining Co Ltd
Current assignee: Guiyang Ruixin Machining Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-11-03
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a cutting blade for a lathe, which comprises a mounting seat, a tool bit and two fastening mechanisms, wherein the left end surface of the mounting seat is provided with a tool bit arranging notch, the tool bit is attached to the inner cavity side wall of the tool bit arranging notch, the upper end surface and the lower end surface of the tool bit are respectively provided with a plurality of limiting grooves which are evenly distributed at intervals, the left side of the upper end surface and the lower end surface of the mounting seat are respectively provided with a plurality of first limiting holes and second limiting holes which are distributed front and back, each first limiting hole is opposite to each second limiting hole from top to bottom, and all communicate with the cutter head arrangement notch inner chamber, and two tight set mechanisms all include U type stainless steel shell fragment, first spacing post, the spacing post of second and tight set bolt, and every tight set mechanism slides through the first spacing hole and the spacing hole of second of mount pad through first spacing post and the spacing post of second, and respectively with the spacing inslot chamber that prolongs to the upper and lower both sides of cutter head. The utility model discloses traditional tool bit fixed mounting mode has been changed to install and dismantle simple and convenient to the tool bit.

Description

Cutting blade for lathe

Technical Field

The utility model relates to a lathe is with cutting off the relevant technical field of blade, specifically is a lathe is with cutting off blade.

Background

At present, in modern turning, generally adopt high accuracy cutter holder and the accurate carbide blade of regrinding to use in combination, in the in-service use, cutting vibration is big, also can increase to the wearing and tearing of cutting off the blade, has reduced the life of cutting off the blade, current cutting off the blade in case the fracture damage will unable continuation use, can't change the tool bit, cause the waste of material, the blade consumption is big, so the cutting off blade for lathe has been designed and produced here to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lathe is with cutting off blade to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a cutting blade for a lathe comprises a mounting seat, a tool bit and two fastening mechanisms, wherein the left end surface of the mounting seat is provided with a tool bit mounting notch, the cutter head is attached to the side wall of the inner cavity of the cutter head placing notch, a plurality of limit grooves which are uniformly distributed at intervals are arranged on the upper end surface and the lower end surface of the cutter head, the left sides of the upper and lower end surfaces of the mounting seat are respectively provided with a plurality of first limiting holes and second limiting holes which are distributed front and back, each first limiting hole and each second limiting hole are opposite to each other up and down, and are communicated with the inner cavity of the cutter head mounting notch, the two fastening mechanisms comprise U-shaped stainless steel elastic sheets, a first limiting column, a second limiting column and fastening bolts, each fastening mechanism penetrates through a first limiting hole and a second limiting hole of the mounting seat through the first limiting column and the second limiting column in a sliding manner, and the first limit column and the second limit column are respectively extended to the limit groove inner cavities at the upper side and the lower side of the cutter head.

Preferably, the thickness of the cutter head is the same as the horizontal width of the inner cavity of the cutter head installation notch.

Preferably, the first limit column and the second limit column of each fastening mechanism are vertically opposite, and are respectively fixedly welded at two ends of the inner side wall of each U-shaped stainless steel elastic sheet, threaded holes are formed in the middle position of each U-shaped stainless steel elastic sheet, and each fastening bolt is rotatably inserted into the threaded hole of each U-shaped stainless steel elastic sheet.

Preferably, the tip of each fastening bolt is provided with a positioning disc positioned on the inner side of each U-shaped stainless steel elastic sheet through rotation of a turntable.

Preferably, each first limiting column is equal to each second limiting column in length, the axial length of each first limiting hole is equal to the axial length of the inner cavity of each second limiting hole, and the length of each first limiting column is equal to the sum of the vertical heights of each first limiting hole and the inner cavity of each limiting groove.

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

1. the utility model relates to a lathe is with cutting off blade has changed traditional tool bit fixed mounting mode to in installing and dismantling simple and convenient to the tool bit.

2. The utility model discloses after installation mechanism fixed tool bit, through rotating tightly decide the bolt for the positioning disk is fed to the right-hand member face of mount pad gradually, and finally the laminating is at the right-hand member face of mount pad and can't feed positioning bolt again, prevents like this that positioning mechanism's first spacing post and the spacing post of second from breaking away from the restriction in first spacing hole and the spacing hole of second, influences the installation stability of tool bit.

3. The utility model discloses, it is the same with the horizontal width of tool bit arrangement breach inner chamber through the thickness with the tool bit, make the outer wall of tool bit flush with the lateral wall of whole mount pad like this, do not influence the cutting operation of tool bit.

Drawings

FIG. 1 is an exploded view of the structure of an embodiment of the present invention;

fig. 2 is a side sectional view of a tool bit according to an embodiment of the present invention.

In the figure: 1. a cutter head; 11. a limiting groove; 2. a mounting seat; 21. a first limit hole; 22. the cutter head is provided with a notch; 23. a second limiting hole; 3. a tightening mechanism; 31. a U-shaped stainless steel spring plate; 32. tightening the bolt; 33. positioning a plate; 34. a first limit post; 35. a second limit post.

Detailed Description

In order to facilitate the use, the embodiment of the utility model provides a lathe is with cutting off blade. 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.

Example 1

Referring to fig. 1-2, the present embodiment provides a cutting blade for a lathe, including a mounting base 2, a tool bit 1 and two fastening mechanisms 3, wherein a tool bit mounting notch 22 is formed on a left end surface of the mounting base 2, the tool bit 1 is attached to a side wall of an inner cavity of the tool bit mounting notch 22, a plurality of limiting grooves 11 are uniformly distributed at intervals on upper and lower end surfaces of the tool bit 1, a plurality of first limiting holes 21 and second limiting holes 23 are respectively formed on left sides of the upper and lower end surfaces of the mounting base 2, each first limiting hole 21 and each second limiting hole 23 are vertically aligned and are communicated with the inner cavity of the tool bit mounting notch 22, the two fastening mechanisms 3 each include a U-shaped stainless steel spring plate 31, a first limiting column 34, a second limiting column 35 and a fastening bolt 32, each fastening mechanism 3 slidably penetrates through the first limiting hole 21 and the second limiting hole 23 of the mounting base 2 through the first limiting column 34 and the second limiting column 35, and the first limit column 34 and the second limit column 35 are respectively extended to the inner cavities of the limit grooves 11 at the upper and lower sides of the cutter head 1.

In the embodiment, the tool bit 1 is firstly attached to the side wall of the inner cavity of the tool bit mounting opening 22, then the length of the tool bit 1 extending out of the mounting seat 2 is adjusted, the limiting grooves 11 on the upper and lower sides of the tool bit 1 are respectively aligned with the first limiting hole 21 and the second limiting hole 23 of the mounting seat 2, then the U-shaped stainless steel spring plate 31 of each fastening mechanism 3 is spread, so that the gap between the first limiting column 34 and the second limiting column 35 aligned up and down is further increased, then the first limiting column 34 and the second limiting column 35 are respectively arranged on the upper and lower sides of the mounting seat 2, then the first limiting column 34 and the second limiting column 35 of the two fastening mechanisms 3 are utilized to slidably penetrate through the first limiting hole 21 and the second limiting hole 23 of the mounting seat 2 and respectively extend into the inner cavities of the limiting grooves 11 on the upper and lower sides of the tool bit 1, so as to fixedly mount the tool bit 1 in the inner cavity of the tool bit mounting seat 2, the traditional installation mode that adopts the bolt fastening fixed tool bit 1 has been changed, and the installation is very convenient with the dismantlement, improves the efficiency of changing tool bit 1, simple and practical.

Example 2

Referring to fig. 1-2, a further improvement is made on the basis of embodiment 1:

wherein, the thickness of tool bit 1 is the same with the horizontal width of tool bit arrangement gap 22 inner chamber, makes the outer wall of tool bit 1 flush with the lateral wall of whole mount pad 2 like this, does not influence the cutting operation of tool bit 1.

The first limiting column 34 and the second limiting column 35 of each fastening mechanism 3 are vertically opposite, and are respectively fixedly welded at two ends of the inner side wall of each U-shaped stainless steel elastic sheet 31, the middle section of each U-shaped stainless steel elastic sheet 31 is provided with a threaded hole, and each fastening bolt 32 is rotatably inserted into the threaded hole of each U-shaped stainless steel elastic sheet 31; every tight set bolt 32's most advanced all is equipped with the positioning disk 33 that is located every U type stainless steel spring piece 31 inboard through the carousel rotation, after tight set mechanism 3 fixed tool bit 1, through rotating tight set bolt 32, make positioning disk 33 give gradually to the right-hand member face of mount pad 2, finally the laminating is at the right-hand member face of mount pad 2 and can't give tight set bolt 32 again, prevent like this that tight set mechanism 3's spacing post 34 of first spacing post and the spacing post 35 of second from breaking away from the restriction in first spacing hole 21 and the spacing hole 23 of second, influence tool bit 1's installation stability.

Each first limiting column 34 is equal to each second limiting column 35 in length, the axial length of the inner cavity of each first limiting hole 21 is equal to the axial length of the inner cavity of each second limiting hole 23, and the length of each first limiting column 34 is equal to the sum of the vertical heights of the inner cavities of each first limiting hole 21 and each limiting groove 11, so that the first limiting columns 34 and the second limiting columns 35 have enough lengths to extend to the inner cavities of the limiting grooves 11 of the tool bit 1, and the tool bit 1 is limited and fixed.

In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

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 lathe is with cutting off blade, includes mount pad (2), tool bit (1) and two tight setting mechanism (3), its characterized in that: a cutter head placing notch (22) is formed in the left end face of the mounting seat (2), the cutter head (1) is attached to the inner cavity side wall of the cutter head placing notch (22), a plurality of limiting grooves (11) distributed at even intervals are formed in the upper end face and the lower end face of the cutter head (1), a plurality of first limiting holes (21) and second limiting holes (23) distributed front and back are formed in the left side of the upper end face and the lower end face of the mounting seat (2), each first limiting hole (21) and each second limiting hole (23) are right opposite to each other from top to bottom and communicated with the inner cavity of the cutter head placing notch (22), two fastening mechanisms (3) respectively comprise a U-shaped stainless steel elastic sheet (31), a first limiting column (34), a second limiting column (35) and a fastening bolt (32), each fastening mechanism (3) penetrates through the first limiting hole (21) and the second limiting hole (23) of the mounting seat (2) in a sliding mode through the first limiting column (34) and the second limiting column (35), and the first limit column (34) and the second limit column (35) are respectively extended to the inner cavities of the limit grooves (11) at the upper side and the lower side of the cutter head (1).

2. The cutoff insert for lathe use according to claim 1, wherein: the thickness of the cutter head (1) is the same as the horizontal width of the inner cavity of the cutter head installation notch (22).

3. The cutoff insert for lathe use according to claim 1, wherein: the first limiting column (34) and the second limiting column (35) of each tightening mechanism (3) are vertically opposite, the tightening mechanisms are respectively and fixedly welded at two ends of the inner side wall of each U-shaped stainless steel elastic sheet (31), threaded holes are formed in the middle section of each U-shaped stainless steel elastic sheet (31), and each tightening bolt (32) is rotatably connected with the threaded hole of each U-shaped stainless steel elastic sheet (31) in an inserting mode.

4. The cutoff insert for lathe use according to claim 1, wherein: the tip of each fastening bolt (32) is provided with a positioning disc (33) positioned on the inner side of each U-shaped stainless steel elastic sheet (31) through rotation of a turntable.

5. The cutoff insert for lathe use according to claim 1, wherein: each first limiting column (34) is equal to each second limiting column (35) in length, the axial length of the inner cavity of each first limiting hole (21) is equal to the axial length of the inner cavity of each second limiting hole (23), and the length of each first limiting column (34) is equal to the sum of the vertical heights of the inner cavities of each first limiting hole (21) and each limiting groove (11).