CN211414417U

CN211414417U - Clamp used in machining process

Info

Publication number: CN211414417U
Application number: CN201922287173.7U
Authority: CN
Inventors: 徐韶华; 张邦平; 沈玲玲
Original assignee: Chengdu Siwi High Tech Industrial Park Co Ltd
Current assignee: Chengdu Siwi High Tech Industrial Park Co Ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-09-04
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a clamp used in the machining process, which comprises a fixed clamp and a movable clamp, wherein the movable clamp is matched with the fixed clamp for use and can obliquely move along the end part of the fixed clamp for clamping a workpiece; the end part of the fixed pliers is provided with an oblique guide groove, the end part of the movable pliers is provided with a guide part matched with the guide groove, and the guide part can move along the guide groove; the fixed pincers and the movable pincers are fixed through the locking mechanism, and after the movable pincers clamp a workpiece, the workpiece is locked through the locking mechanism to keep a continuous clamping force. The utility model provides an anchor clamps suitable for machining through the slant cooperation of fixed pincers with the activity pincers, is assisted with guide structure again, can realize the infinitely variable control of anchor clamps. In addition, after clamping, the clamping mechanism is locked, so that clamping interference can be effectively avoided, and the clamping times are reduced. The utility model discloses be particularly useful for face milling, appearance course of working also can use to some environments that need one-way clamp force, and the application scope is wider.

Description

Clamp used in machining process

Technical Field

The utility model belongs to the technical field of machining, specific theory, in the machining process, the tool equipment who adopts: and (4) clamping.

Background

In the machining process, the efficient, convenient and practical clamping device is an important guarantee for improving the production efficiency, particularly in the processes of face milling, appearance machining and the like, a common clamp is easy to interfere, multiple times of clamping are needed, the machining efficiency is influenced, and the positioning precision is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide an anchor clamps for among the machining process, can realize infinitely variable control, positioning accuracy is higher.

The purpose of the utility model is realized through the following technical scheme:

a clamp used in the machining process comprises a fixed clamp and a movable clamp, wherein the movable clamp is matched with the fixed clamp for use and can obliquely move along the end part of the fixed clamp to clamp a workpiece;

the end part of the fixed pliers is provided with an oblique guide groove, the end part of the movable pliers is provided with a guide part matched with the guide groove, and the guide part can move along the guide groove;

the fixed pincers and the movable pincers are fixed through the locking mechanism, and after the movable pincers clamp a workpiece, the workpiece is locked through the locking mechanism to keep a continuous clamping force.

Preferably, the fixing clamp is provided with a mounting hole, and the fixing clamp is fixed by a mounting bolt, and generally the fixing clamp is fixed on a machine tool workbench.

As the preferred mode, the mounting hole on the fixed pincers is waist-shaped hole, and the waist-shaped hole is convenient and quick for moving back and forth and fine adjusting.

Preferably, the top of the waist-shaped hole is provided with an annular groove, and the annular groove is used for accommodating the head of the mounting bolt.

Preferably, the locking mechanism comprises a clamping bolt.

As a preferred mode, the end part of the fixing clamp is provided with a semicircular threaded hole, and the clamping bolt is matched with the semicircular threaded hole; when the movable pliers are in place, the movable pliers are fixed through the clamping bolts.

As a preferred mode, a semicircular groove matched with the semicircular threaded hole is formed in the movable clamp; after the movable pliers and the fixed pliers are assembled, the clamping bolt is placed into a round hole formed by the semicircular groove and the semicircular threaded hole, and the clamping bolt can be rotated in the forward direction to drive the movable pliers to move downwards in an inclined mode.

Preferably, the oblique guide groove is an oblique dovetail groove, and the guide part is an oblique dovetail part;

the oblique dovetail groove comprises two V-shaped grooves, and the oblique dovetail part comprises two V-shaped parts matched with the two V-shaped grooves.

Preferably, the movable clamp comprises an inclined part and a clamping part, and the inclined part and the clamping part are integrally formed; the inclined part is provided with a guide part.

Preferably, the front end of the clamping part is provided with a transverse and/or longitudinal V-shaped groove, so that a round workpiece can be fixed conveniently.

The utility model has the advantages that: the utility model provides an anchor clamps suitable for machining through the slant cooperation of fixed pincers with the activity pincers, is assisted again with guide structure (guide way + guide part), can realize the infinitely variable control of anchor clamps. In addition, after clamping, the clamping mechanism is locked, so that clamping interference can be effectively avoided, and the clamping times are reduced. The utility model discloses be particularly useful for face milling, appearance course of working also can use to some environments that need one-way clamp force, and the application scope is wider.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a stationary clamp;

FIG. 2 is a schematic view of the movable clamp;

FIG. 3 is a schematic view of the assembly of the stationary and movable tongs;

FIG. 4 is a schematic view of the use of the clamp;

in the figure, 1 is a fixed clamp, 2 is a movable clamp, 3 is a clamping bolt, and 4 is a workpiece.

Detailed Description

The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrated; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the presence of a first feature above or below a second feature may encompass direct contact of the first and second features, and may also encompass contact of the first and second features not being in direct contact, but via additional features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. Including a first feature being directly below and obliquely below a second feature, or simply indicating that the first feature is at a lesser elevation than the second feature, if present below, under or below the second feature.

Example one

A clamp used in the machining process comprises a fixed clamp 1 (shown in figure 1) and a movable clamp 2 (shown in figure 2), wherein the movable clamp 2 is matched with the fixed clamp 1 for use and can obliquely move along the end part of the fixed clamp 1 to clamp (abut against) a workpiece 4;

the end part of the fixed clamp 1 is provided with an oblique guide groove, the end part of the movable clamp 2 is provided with a guide part matched with the guide groove, and the guide part can move along the guide groove;

the fixing of the fixed pliers 1 and the movable pliers 2 is realized through a locking mechanism, and after the movable pliers 2 clamp a workpiece 4, the workpiece is locked through the locking mechanism to keep a continuous clamping force.

The utility model discloses a slant presss from both sides tightly, can realize the stepless clamp force of applying, and it is fine to press from both sides tight effect, and positioning accuracy is high. In addition, the fixed pliers 1 and the movable pliers 2 are provided with structures matched with oblique movement, so that the whole clamp can be conveniently implemented.

Example two

The fixed clamp 1 is provided with a mounting hole, the fixed clamp 1 is fixed through a mounting bolt, and the fixed clamp 1 is generally fixed on a machine tool workbench. The mounting hole on the fixing clamp 1 is a waist-shaped hole. The waist-shaped hole is convenient to move forwards and backwards quickly for fine adjustment. The top of the waist-shaped hole is provided with an annular groove which is used for accommodating the head of the mounting bolt.

The locking mechanism comprises a clamping bolt 3. The end part of the fixed clamp 1 is provided with a semicircular threaded hole (half of the threaded hole), and the clamping bolt 3 is matched with the semicircular threaded hole; when the movable clamp 2 is in place, the movable clamp is fixed through the clamping bolt 3. A semicircular groove matched with the semicircular threaded hole is formed in the movable clamp 2; after the movable pliers 2 and the fixed pliers 1 are assembled, the clamping bolt 3 is placed into a round hole formed by the semicircular groove and the semicircular threaded hole, and the clamping bolt 3 is rotated in the forward direction to drive the movable pliers 2 to move downwards in an inclined mode.

The oblique guide groove is an oblique dovetail groove, and the guide part is an oblique dovetail part; the oblique dovetail groove comprises two V-shaped grooves, and the oblique dovetail part comprises two V-shaped parts matched with the two V-shaped grooves. The movable clamp 2 comprises an inclined part and a clamping part, and the inclined part and the clamping part are integrally formed; the inclined part is provided with a guide part. The front end of the clamping part is provided with a transverse and/or longitudinal V-shaped groove for fixing a round workpiece, as shown in figure 3.

The embodiment provides a working scheme: after the fixed clamp 1 and the movable clamp 2 are assembled, the fixed clamp 1 is fixed at a proper position of a machine tool workbench, and the front-back distance is finely adjusted according to the requirement; the clamping bolt 3 is screwed in, the bottom of the head of the clamping bolt 3 pushes the movable clamp 2, the movable clamp 2 slides downwards along the oblique dovetail groove, and the clamping end of the movable clamp 2 is driven to move forwards until a workpiece 4 is clamped, as shown in fig. 4.

The utility model is suitable for a one-way condition of applying the clamp force, if certainly will two-way clamp tightly, can set up the mounting at the opposite side of activity pincers 2 (keep away from one side of fixed pincers 1), through the mounting with the effect of activity pincers 2, apply the clamp force. The utility model discloses especially, be fit for as the anchor clamps of face milling, appearance course of working, effectively avoid the clamping to interfere, reduce the clamping number of times.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. The above description is only exemplary of the present invention and should not be taken as limiting, and all changes, equivalents, and improvements made within the spirit and principles of the present invention should be understood as being included in the scope of the present invention.

Claims

1. A anchor clamps for in machining process which characterized in that: the movable pliers are matched with the fixed pliers for use and can obliquely move along the end parts of the fixed pliers to clamp a workpiece;

2. A fixture for use in a machining process according to claim 1, wherein: the fixed clamp is provided with a mounting hole and is fixed through a mounting bolt.

3. A fixture for use in a machining process according to claim 2, wherein: the mounting hole on the fixing clamp is a waist-shaped hole.

4. A fixture for use in a machining process according to claim 3, wherein: the top of the waist-shaped hole is provided with an annular groove which is used for accommodating the head of the mounting bolt.

5. A fixture for use in a machining process according to claim 1, wherein: the locking mechanism includes a clamping bolt.

6. A fixture for use in a machining process according to claim 5, wherein: the end part of the fixing clamp is provided with a semicircular threaded hole, and the clamping bolt is matched with the semicircular threaded hole; when the movable pliers are in place, the movable pliers are fixed through the clamping bolts.

7. A fixture for use in a machining process according to claim 6, wherein: a semicircular groove matched with the semicircular threaded hole is formed in the movable clamp; after the movable pliers and the fixed pliers are assembled, the clamping bolt is placed into a round hole formed by the semicircular groove and the semicircular threaded hole, and the clamping bolt can be rotated in the forward direction to drive the movable pliers to move downwards in an inclined mode.

8. A fixture for use in a machining process according to claim 1, wherein: the oblique guide groove is an oblique dovetail groove, and the guide part is an oblique dovetail part;

9. A fixture for use in a machining process according to claim 1, wherein: the movable pliers comprise an inclined part and a clamping part, and the inclined part and the clamping part are integrally formed; the inclined part is provided with a guide part.

10. A fixture for use in a machining process according to claim 9, wherein: the front end of the clamping part is provided with a transverse and/or longitudinal V-shaped groove.