CN211680052U

CN211680052U - Precision supporting blade

Info

Publication number: CN211680052U
Application number: CN202020293519.4U
Authority: CN
Inventors: 饶荣乐; 朱新渊
Original assignee: Wuxi Simika Precision Technology Co ltd
Current assignee: Wuxi Simika Precision Technology Co ltd
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-10-16
Anticipated expiration: 2030-03-11

Abstract

A precision support blade comprising: the cutting tool comprises a main body part, two opposite sides of the main body part extend outwards to form blade parts, the main body part is provided with a first face and a second face, the main body part is provided with a screw fastening hole penetrating through the first face and the second face, a fastening screw is screwed in the screw fastening hole, a limiting screw hole is obliquely and penetratingly arranged on the inner wall of the screw fastening hole towards the first face of the blade part, a limiting screw is screwed in the limiting screw hole, and the limiting screw is inserted into the limiting screw hole from the first face of the blade part and the top of the limiting screw abuts against the fastening screw in the screw fastening hole. This application sets up limit screw hole and supports tight screw hole through inclining on the blade, can be at limit screw hole with support tight screw hole in respectively screwing limit screw and support tight screw to the fastening screw is connected with the blade in the reinforcing screw fastening hole, reduces the possibility that the blade rotates the in-process fast and drops.

Description

Precision supporting blade

Technical Field

The utility model belongs to the technical field of the blade, concretely relates to precision support blade.

Background

The blade is a part commonly used in daily production and can be used for cutting products. The insert is typically fixed to a machine, such as a machine tool, and is rapidly rotated under the control of the machine tool to cut the product. In order to change the specification of the insert conveniently, the insert is fixed by a screw, when the insert needs to be used, the insert is fixed with a machine tool by the screw, and when the insert is changed, the insert can be detached from the screw.

However, sometimes the screw and the blade are not firmly connected, and the blade may fall off from the screw in the process of rapid rotation, which is easy to injure surrounding workers by mistake.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a precision support blade, include: the cutting tool comprises a main body part, two opposite sides of the main body part extend outwards to form blade parts, the main body part is provided with a first face and a second face, the main body part is provided with a screw fastening hole penetrating through the first face and the second face, a fastening screw is screwed in the screw fastening hole, a limiting screw hole is obliquely and penetratingly arranged on the inner wall of the screw fastening hole towards the first face of the blade part, a limiting screw is screwed in the limiting screw hole, and the limiting screw is inserted into the limiting screw hole from the first face of the blade part and the top of the limiting screw abuts against the fastening screw in the screw fastening hole.

Preferably, the screw fastening hole includes: the cavity is held to screw pole through-hole and screw cap, the screw pole through-hole is close to the main part second face and the screw cap holds the cavity and is close to the main part first face and with screw pole through-hole intercommunication, fastening screw's the body of rod inserts in the screw pole through-hole, fastening screw's screw cap hold in the screw cap holds in the cavity.

Preferably, a screw cap holding flat cavity is arranged at the position, located in the screw cap receiving cavity, of the first surface of the screw fastening hole, and the screw cap holding flat cavity and the screw cap receiving cavity jointly receive the screw cap of the fastening screw.

Preferably, the depth of the screw cap flat holding cavity is greater than or equal to the thickness of the screw cap.

Preferably, the first and second faces of the main body portion are provided with reinforcing portions which project from the main body portion and extend at least partially towards and connect with the blade portion.

Preferably, the side of the reinforcing portion facing the blade portion is shaped as a curve.

Preferably, the reinforcing part on the first face of the body part is arc-shaped.

Preferably, the blade section edge is provided with a circle of cutting portion.

Preferably, the cross-sectional shape of the cutting portion is triangular.

Preferably, the second surface of the blade part penetrates through the limit screw hole in an inclined mode to be provided with a abutting screw hole, a abutting screw is screwed in the abutting screw hole, the abutting screw is inserted into the abutting screw hole from the second surface of the blade part, and the top of the abutting screw abuts against the limit screw in the limit screw hole.

The utility model provides a pair of precision support blade sets up limit screw hole and supports tight screw hole through inclining on the blade, can respectively screw limit screw and support tight screw in limit screw hole and support tight screw hole to the fastening screw is connected with the blade in the reinforcing screw fastening hole, reduces the possibility that the blade fast turn in-process drops.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic front view of a precision support blade according to the present invention;

fig. 2 is a schematic top view of a precision support blade according to the present invention;

FIG. 3 is a schematic side view of a precision support blade according to the present invention;

fig. 4 is a schematic perspective view of a precision support blade according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

In an embodiment of the present application, as shown in fig. 1-4, the present application provides a precision support blade comprising: the cutting insert comprises a main body part 10, wherein two opposite sides of the main body part 10 extend outwards to form blade parts 20 respectively, the main body part 10 is provided with a first face and a second face which are opposite, screw fastening holes 11 penetrating through the first face and the second face are formed in the main body part 10, fastening screws are screwed in the screw fastening holes 11, limit screw holes 21 are obliquely and penetratingly arranged on the inner walls of the screw fastening holes 11 towards the first face of the blade part 20, limit screws are screwed in the limit screw holes 21, and the limit screws are inserted into the limit screw holes 21 from the first face of the blade part 20 and the tops of the limit screws are abutted against the fastening screws in the screw fastening holes 11.

In the present embodiment, the main body portion 10 and the blade portions 20 on both sides together form an oblong rectangular parallelepiped structure, the main body portion 10 is located in the middle of the rectangular parallelepiped structure, and the blade portions 20 are located on both sides of the rectangular parallelepiped structure. The main body 10 has a first surface and a second surface opposite to each other, and is provided with a screw fastening hole 11 penetrating the first surface and the second surface. A fastening screw may be screwed into the screw fastening hole 11, and the fastening screw may be installed to the machine tool through the second surface from the first surface of the body 10.

In the embodiment of the present application, in order to enhance the connection between the fastening screw and the upper blade body 10 and prevent the fastening screw from being detached from the screw fastening hole 11, a limit screw hole 21 is obliquely arranged from the first surface of the blade portion 20 toward the screw fastening hole 11, an inlet is arranged on the first surface of the blade portion 20 on the first side of the limit screw hole 21, an outlet is arranged on the inner side wall of the screw fastening hole 11 on the second side, the limit screw enters the limit screw hole 21 from the inlet and passes through the outlet to directly contact and tightly abut against the fastening screw in the screw fastening hole 11, and the fastening screw is subject to the acting force of the limit screw and is not easy to fall off from the screw fastening.

As shown in fig. 1 to 4, in the embodiment of the present application, the screw fastening hole 11 includes: screw rod through-hole 12 and screw cap hold chamber 13, screw rod through-hole 12 is close to main part 10 second face and screw cap holds chamber 13 and is close to main part 10 first face and with screw rod through-hole 12 intercommunication, fastening screw's the body of rod inserts in screw rod through-hole 12, fastening screw's screw cap hold in screw cap holds in chamber 13.

In the embodiment of the present application, the fastening screw may be a general screw, and the screw includes a screw shaft and a screw cap, and the screw cap is provided with a cross pattern, so that the screw shaft can be screwed into the screw shaft through hole 12 by using a device such as pliers to support the screw cap, and the screw cap is finally installed in the screw cap accommodating cavity 13.

In the embodiment of the present application, as shown in fig. 1 to 4, a screw cap holding flat cavity 14 is provided at the screw cap receiving cavity 13 on the first surface of the screw fastening hole 11, and the screw cap holding flat cavity 14 and the screw cap receiving cavity 13 jointly receive the screw cap of the fastening screw.

In the embodiment of the present application, as shown in FIGS. 1-4, the depth of the screw cap cavity 14 is equal to or greater than the thickness of the screw cap.

In the embodiment of the present application, considering the flatness on the first surface of the main body 10, a screw cap holding cavity 14 may be provided at the position of the screw cap holding cavity 13 on the first surface, the screw cap holding cavity 14 and the screw cap holding cavity 13 collectively hold the screw cap of the fastening screw, and the depth of the screw cap holding cavity 14 is greater than or equal to the thickness of the screw cap, the screw cap holding cavity 14 may completely hold the screw cap, and the screw cap may not protrude out of the first surface of the main body 10.

In the embodiment of the present application, as shown in fig. 1 to 4, the main body 10 is provided with a reinforcing portion 15 on the first and second surfaces, and the reinforcing portion 15 protrudes from the main body 10 and extends at least partially toward and connects to the blade portion 20.

In the embodiment of the present application, the reinforcing portion 15 can increase the thickness of the main body portion 10 and the connection between the main body portion 10 and the blade portion 20, so as to reduce the probability of fracture at the connection between the main body portion and the blade portion, and prolong the service life of the blade.

In the embodiment of the present application, as shown in fig. 1 to 4, the side of the reinforcing portion 15 facing the blade portion 20 is curved.

As shown in fig. 1 to 4, in the present embodiment, the reinforcing part 15 on the first surface of the main body part 10 is arc-shaped.

In the embodiment of the present application, as shown in fig. 1 to 4, the edge of the blade portion 20 is provided with a circle of cutting portion 22. The shape of the cutting portion 22 may be configured according to the cutting requirements of the product so that the blade may cut a specific shape when in contact with the product.

In the embodiment of the present application, the cutting portion 22 has a triangular cross-sectional shape, as shown in fig. 1 to 4.

As shown in fig. 1 to 4, in the embodiment of the present application, a fastening screw hole 23 is obliquely and penetratingly disposed on the second surface of the blade portion 20 toward the limit screw hole 21, a fastening screw is screwed into the fastening screw hole 23, and the fastening screw is inserted into the fastening screw hole 23 from the second surface of the blade portion 20 and abuts against the limit screw in the limit screw hole 21 at the top.

In this application embodiment, in order to reduce the probability that the limit screw in the limit screw hole 21 drops, the second surface of the blade part 20 is obliquely penetrated towards the limit screw hole 21 and is provided with the clamping screw hole 23, the clamping screw penetrates through the side wall of the limit screw hole 21 from the second surface, and the top of the clamping screw abuts against the limit screw, so that the limit screw is difficult to drop from the limit screw hole 21, and the fastening screw is also difficult to drop from the screw fastening hole 11.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A precision support insert, comprising: the cutting tool comprises a main body part, two opposite sides of the main body part extend outwards to form blade parts, the main body part is provided with a first face and a second face, the main body part is provided with a screw fastening hole penetrating through the first face and the second face, a fastening screw is screwed in the screw fastening hole, a limiting screw hole is obliquely and penetratingly arranged on the inner wall of the screw fastening hole towards the first face of the blade part, a limiting screw is screwed in the limiting screw hole, and the limiting screw is inserted into the limiting screw hole from the first face of the blade part and the top of the limiting screw abuts against the fastening screw in the screw fastening hole.

2. The precision support insert of claim 1, wherein the screw-securing bore comprises: the cavity is held to screw pole through-hole and screw cap, the screw pole through-hole is close to the main part second face and the screw cap holds the cavity and is close to the main part first face and with screw pole through-hole intercommunication, fastening screw's the body of rod inserts in the screw pole through-hole, fastening screw's screw cap hold in the screw cap holds in the cavity.

3. The precision support insert of claim 2, wherein the screw fastening hole first face is provided with a screw cap retention cavity at the screw cap receiving cavity, the screw cap retention cavity and the screw cap receiving cavity together receiving the screw cap of the fastening screw.

4. The precision support blade of claim 3 wherein the depth of the screw cap holding cavity is equal to or greater than the thickness of the screw cap.

5. A precision support blade according to claim 1 wherein the body portion is provided on the first and second faces with a reinforcing portion which projects from the body portion and extends at least partially towards and connects with the blade portion.

6. The precision support blade of claim 5 wherein the side of the reinforcing portion facing the blade portion is arcuate in shape.

7. The precision support blade of claim 5 wherein the reinforcement portion on the first face of the body portion is arcuate in shape.

8. The precision support blade of claim 1 wherein the blade section edge is provided with a circle of cut.

9. The precision support insert of claim 8 wherein the cutting portion is triangular in cross-sectional shape.

10. The precision support insert according to claim 1, wherein the second surface of the insert part is obliquely and penetratingly provided with a fastening screw hole towards the limiting screw hole, a fastening screw is screwed in the fastening screw hole, and the fastening screw is inserted into the fastening screw hole from the second surface of the insert part and abuts against the limiting screw in the limiting screw hole at the top.