CN219704834U

CN219704834U - Blade clamping tool

Info

Publication number: CN219704834U
Application number: CN202321308638.2U
Authority: CN
Inventors: 胡恩玉; 安敬; 章明
Original assignee: Sichuan Funeng Precision Machinery Equipment Co ltd
Current assignee: Sichuan Funeng Precision Machinery Equipment Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-09-19
Anticipated expiration: 2033-05-26

Abstract

The utility model discloses a blade clamping tool which comprises a base, wherein a clamping frame is arranged on the base, a fixed arm and an elastic arm are arranged on the clamping frame at intervals, grooves are formed in the tops of opposite surfaces of the fixed arm and the elastic arm, clamping grooves matched with a blade clamping part are formed by the two grooves, a locking screw is arranged on the elastic arm, and the locking screw penetrates through a gap between the fixed arm and the elastic arm and is in threaded connection with the fixed arm. The beneficial effects of the utility model are as follows: through locking screw's locking for the elastic arm is to fixed arm skew, thereby makes the clearance between the grip slot reduce, and then presss from both sides the clamping part of blade tightly, thereby accomplishes the clamping of blade, consequently, its clamping is convenient, and after locking loose, then can make the clearance between the grip slot reset by one, and then is convenient for take out of blade.

Description

Blade clamping tool

Technical Field

The utility model relates to processing of blades, in particular to a blade clamping tool.

Background

The blade is generally provided with an irregular curved surface, during machining, machining of the cambered surface of the blade is generally difficult, machining of the blade can be achieved only through complex tool path operation, in the process of the blade, the blade is required to be clamped and fixed, machining precision of the blade is guaranteed, and the inventor develops a set of blade clamping tools after long-term study on the shape of the blade.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a blade clamping tool.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a blade centre gripping frock, includes the base, installs the holder on the base, has fixed arm and elastic arm on the holder, and fixed arm and elastic arm interval relatively set up, and the top of the opposite face of fixed arm and elastic arm is all seted up flutedly, two recess constitution and blade clamping part assorted grip groove, installs locking screw on the elastic arm, and locking screw passes the clearance of fixed arm and elastic arm and with fixed arm threaded connection.

Optionally, a limiting block is further installed on the opposite surface of the fixing arm, a positioning protrusion protruding towards the clamping groove is arranged at the top of the limiting block, and the end part of the positioning protrusion is inserted into the clamping groove.

Optionally, a return spring is sleeved on the locking screw rod between the fixed arm and the elastic arm.

Optionally, the bottom of the elastic arm is provided as a thin-walled end.

Optionally, the opposite face of the fixed arm is provided with a raised arm, the limiting block is located at one side of the raised arm, and the groove on the fixed arm is formed in the raised arm.

Optionally, the stopper passes through locking screw demountable installation on the fixed arm.

Optionally, the fixing arm is in an L-shaped structure, the bending part of the fixing arm is a platform, and the thin wall end of the elastic arm is fixed on the platform of the fixing arm.

The utility model has the following advantages: according to the blade clamping tool disclosed by the utility model, the elastic arms are deflected towards the fixed arms through the locking of the locking screw, so that the gap between the clamping grooves is reduced, and the clamping parts of the blades are clamped, so that the clamping of the blades is completed.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model

FIG. 2 is a schematic diagram of a second embodiment of the present utility model

In the figure, a base, a 2-clamping frame, a 3-limiting block, a 4-locking screw, a 5-locking screw, a 6-blade, a 21-fixing arm, a 22-elastic arm, a 23-protruding arm, a 24-thin-wall end, a 25-clamping groove and a 26-return spring are arranged.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 and fig. 2, a blade clamping tool includes a base, a clamping frame is installed on the base, in this embodiment, the base is mainly used for being placed on a processing machine tool, through holes detachably installed on an installation platform of the processing machine tool are formed in the base, a fixing arm and an elastic arm are arranged on the clamping frame at intervals, grooves are formed in tops of opposite faces of the fixing arm and the elastic arm, clamping grooves matched with blade clamping portions are formed in the two grooves, locking screws are installed on the elastic arm, the locking screws penetrate through gaps of the fixing arm and the elastic arm and are in threaded connection with the fixing arm, when the blade is clamped, the clamping portions of the blade are placed in the clamping grooves, further, V-shaped ribs are arranged on two sides of the clamping portions of the blade, and accordingly the grooves on the fixing arm and the elastic arm are V-shaped grooves.

In this embodiment, as shown in fig. 1 and fig. 2, the limiting block is further installed on the opposite surface of the fixed arm, preferably, the limiting block is detachably installed on the fixed arm through a locking screw, the top of the limiting block is provided with a positioning protrusion protruding towards the clamping groove, the end portion of the positioning protrusion is inserted into the clamping groove, after the clamping portion of the blade is installed, the clamping portion of the blade is tightly attached to the positioning protrusion, at this time, the positioning protrusion can play a role in positioning, so that after each blade is installed, the installation position of each blade is located at the same position, and then the assembly precision of the blade is guaranteed.

In this embodiment, as shown in fig. 1 and fig. 2, a return spring is sleeved on the locking screw between the fixing arm and the elastic arm, in the locking process of the locking screw, the elastic arm can deflect towards the fixing arm, so that the return spring is compressed, when the locking screw is loosened, the elastic arm can reset under the action of the internal stress of the elastic arm and the elastic restoring force of the return spring, so that the next blade can be smoothly clamped by the clamping groove, and in order to ensure that the elastic arm can deflect, in this embodiment, the bottom of the elastic arm is set to be a thin-wall end.

In this embodiment, as shown in fig. 1 and fig. 2, the opposite surfaces of the fixing arm are provided with a protruding arm, the limiting block is located at one side of the protruding arm, the groove on the fixing arm is formed in the protruding arm, and the protruding arm can increase the structural strength of the fixing arm, so that the fixing arm is prevented from deflecting in the locking process of the locking screw.

In this embodiment, as shown in fig. 1 and 2, the fixing arm has an L-shaped structure, the bending part of the fixing arm is a platform, and the thin-wall end of the elastic arm is fixed on the platform of the fixing arm.

The working process of the utility model is as follows: after the limiting block, the locking screw rod and the reset spring are installed, the clamping part of the blade is placed into the clamping groove, one side face of the clamping part is attached to the limiting protrusion, then the locking screw rod is locked, the elastic arm deflects towards the direction of the fixing arm in the locking process, so that the gap between the clamping grooves is gradually reduced, and the clamping groove clamps the clamping part of the blade, so that the clamping of the blade is completed.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Blade centre gripping frock, its characterized in that: the clamping device comprises a base, a clamping frame is arranged on the base, a fixing arm and an elastic arm are arranged on the clamping frame, the fixing arm and the elastic arm are arranged at opposite intervals, the top of the opposite surfaces of the fixing arm and the elastic arm are provided with grooves, two clamping grooves matched with the clamping parts of the blades are formed in the grooves, locking screws are arranged on the elastic arm, and penetrate through gaps of the fixing arm and the elastic arm and are in threaded connection with the fixing arm.

2. The blade clamping tool of claim 1, wherein: the limiting block is further arranged on the opposite face of the fixing arm, a positioning protrusion protruding towards the clamping groove is arranged at the top of the limiting block, and the end portion of the positioning protrusion is inserted into the clamping groove.

3. The blade clamping tool according to claim 2, wherein: and a return spring is sleeved on the locking screw between the fixed arm and the elastic arm.

4. A blade gripping tool as claimed in claim 3, wherein: the bottom of the elastic arm is provided with a thin-wall end.

5. The blade clamping tool according to any one of claims 2-4, wherein: the opposite surface of the fixed arm is provided with a raised arm, the limiting block is positioned on one side of the raised arm, and the groove on the fixed arm is formed in the raised arm.

6. The blade clamping tool of claim 5, wherein: the limiting block is detachably mounted on the fixed arm through a locking screw.

7. The blade clamping tool of claim 4, wherein: the fixing arm is of an L-shaped structure, the bending part of the fixing arm is a platform, and the thin-wall end of the elastic arm is fixed on the platform of the fixing arm.