CN212918485U

CN212918485U - Workpiece clamp

Info

Publication number: CN212918485U
Application number: CN202020876360.9U
Authority: CN
Inventors: 胡旭波; 贾维强
Original assignee: Shaanxi Ceyi Electromechanical Equipment Co ltd
Current assignee: Shaanxi Ceyi Electromechanical Equipment Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-04-09
Anticipated expiration: 2030-05-22

Abstract

The embodiment of the present disclosure discloses a work fixture, which includes a fixture body, the fixture body includes: a base; and a fixing portion provided on the base and configured to fix the workpiece after the workpiece is placed in the fixing portion. After the workpiece is placed in the fixing portion, the workpiece is fixed through the bolts to prevent the workpiece to be machined from being displaced when being machined, and meanwhile, the side edge of the workpiece to be machined cannot be extruded to cause deformation of the workpiece to be machined due to the fixing mode of bolt connection. Therefore, the stability of the workpiece to be machined during machining is ensured, and the problem that the workpiece to be machined deforms due to clamping force and cutting force during machining is solved.

Description

Workpiece clamp

Technical Field

The embodiment of the disclosure relates to the technical field of numerical control machining, in particular to a workpiece clamp.

Background

In the field of numerical control machining, a workpiece is usually machined, and the workpiece is clamped by a clamp, fixed on a numerical control machine tool and then machined.

At present, when a workpiece to be machined is machined, a standard machining clamp is selected for clamping the workpiece, the shape of the workpiece to be machined is not considered, the workpiece to be machined is uniformly clamped on the standard machining clamp and then machined, the clamping part of the standard machining clamp and the surface of the workpiece to be machined, which is in contact, are in a plane, after the workpiece to be machined is placed in the machining clamp, the clamping part of the clamp is screwed, and then the clamp is installed and fixed on a numerical control machine tool, so that the workpiece to be machined can be machined.

The existing clamp is a standard part, the shape of a workpiece to be machined is not considered, if the workpiece to be machined is a machined workpiece with an arc surface, the side edge of the workpiece has an arc, the workpiece to be machined can easily slide on a contact surface of the clamp by a one-cut clamping method of the standard part, the stability of the workpiece to be machined is kept by continuously screwing a clamping part, the workpiece to be machined can be deformed, and the processing production of the workpiece to be machined, the contact surface of which is non-planar, of the standard clamp is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the embodiments of the present disclosure is to provide a workpiece fixture, which ensures a clamping force of a workpiece to be machined during clamping machining and simultaneously prevents a structure of the workpiece to be machined from changing due to an excessive clamping force.

A work holder comprising: a clamp body, the clamp body comprising:

a base;

the fixing part is arranged on the base and is configured to fix a workpiece after the workpiece is placed in the fixing part.

Optionally, a positioning reference edge is arranged on the fixing portion, and the positioning reference edge is configured to be attached to the side edge of the workpiece after the workpiece is placed and fixed.

Optionally, the positioning reference edge includes a first positioning reference edge and a second positioning reference edge, and the first positioning reference edge and the second positioning reference edge are arranged perpendicularly.

Optionally, a plurality of bolt holes are arranged on the fixing part;

the fixing part is connected with the workpiece through a bolt.

Optionally, the number of bolt holes is any number between 2 and 5.

Optionally, the base is provided with a first connecting portion and a second connecting portion, the first connecting portion and the second connecting portion are connected with the machine tool, the first connecting portion is configured to abut against the machine tool, and the second connecting portion is configured to be clamped with the machine tool.

Optionally, the fixing portion and the base are integrally formed.

Optionally, the fixing part is detachably connected with the base.

Optionally, the fixing portion is provided with a structure matched with a machine tool.

Optionally, the base is a cylinder or a cuboid structure.

Compared with the prior art, the technical effects of the embodiment of the disclosure are as follows:

the embodiment of the disclosure discloses a workpiece clamp, which comprises a base and a fixing part, wherein the base is used for being installed and fixed on a processing machine tool; the fixed part sets up on the base, be configured to be in after putting into the work piece in the fixed part, will through the bolt the work piece is fixed and is prevented to treat that the work piece from taking place the displacement when being processed, and bolted connection's fixed mode can not cause the extrusion to lead to treating the work piece deformation to treating the side of treating the work piece simultaneously. Therefore, the stability of the workpiece to be machined during machining is ensured, and the problem that the workpiece to be machined deforms due to clamping force and cutting force during machining is solved.

Other features of, and advantages with, the disclosed embodiments will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the disclosed embodiments and together with the description, serve to explain the principles of the disclosed embodiments.

FIG. 1 is a schematic structural view of a work holder of the present application;

FIG. 2 is a side view of a work holder of the present application;

FIG. 3 is a schematic view of a workpiece of the present application being applied to a workpiece holder;

FIG. 4 is a diagram illustrating a use scenario for machining a workpiece according to the present application;

wherein: 100-a clamp body; 1-a base; 2-a fixed part; 21-a first positioning reference edge; 22-a second positioning reference edge; 23-bolt holes; 3-a first connection; 4-a second connecting portion; 200-workpiece.

Detailed Description

Various exemplary embodiments of the disclosed embodiments will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the embodiments of the present disclosure unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the embodiments of the disclosure, their application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Referring to fig. 1, a schematic structural diagram of a workpiece holder disclosed in an embodiment of the present disclosure includes: the anchor clamps body 100, the shape of anchor clamps body 100 is cylinder or cuboid, includes:

the base 1 is used for installing the workpiece fixture on the machine tool and is fixed with the machine tool, the base 1 is detachably connected with the machine tool, when the workpiece needs to be machined, the workpiece is firstly fixed by the fixture, and then the fixture is fixed on the machine tool for machining.

Optionally, the fixing portion 2 is arranged on the base 1, the fixing portion 2 and the base 1 can be integrally formed, the clamp body 100 is a whole, the fixing portion 2 is arranged inside the clamp body 100 and is arranged to be an integral piece, accessories can be saved, a connecting piece between the base 1 and the fixing portion 2 does not need to be separately configured, materials are saved, production steps can be simplified, production time is saved, and production efficiency is improved.

Optionally, the upper portion of base 1 is provided with fixed part 2, fixed part 2 can be dismantled with base 1 and be connected, fixed part 2 and base 1 can separate promptly, when the two is for dismantling when connecting, just need set up assorted connection structure on fixed part 2 and the base 1, the connected mode can be bolted connection, inlay and connect etc., it connects to set to dismantle, can dismantle base 1 and fixed part 2 after the use, convenient the saving, and after the shape of work piece changes, can be the shape of corresponding change fixed part 2 only, and need not change base 1, a base 1 can be shared to a plurality of fixed parts 2, it is more convenient to use, avoid the wasting of resources that causes when still changing base 1 when changing the clamping part.

The fixture body 100 further comprises a fixing portion 2, as shown in fig. 2, which is a top view of the workpiece fixture, the fixing portion 2 is used for fixing the workpiece on the fixture, the fixing portion 2 is disposed on the upper portion of the base 1, the fixing portion 2 is provided with a positioning reference edge and a bolt hole 23, the positioning reference edge is used for aligning a side edge of the workpiece with the positioning reference edge when the workpiece is placed on the fixing portion 2, and the bolt hole 23 is matched with the bolt hole 23 on the workpiece, and is used for fixing the workpiece on the base 1 through a bolt when the workpiece is placed in the fixing portion 2.

Optionally, as shown in fig. 2, the positioning reference edge includes a first positioning reference edge 21 and a second positioning reference edge 22, the first positioning reference edge 21 and the second positioning reference edge 22 are vertically disposed and are respectively aligned with two side edges of the workpiece, so as to conveniently and quickly align the bolt hole 23 of the fixing portion 2 with the bolt hole 23 of the workpiece, thereby implementing connection of the two, and simultaneously providing a processing reference line for the subsequent processing of the workpiece, if the workpiece is mounted on the fixture, the side edge exceeds the positioning reference edge of the fixing portion 2, it indicates that the workpiece is not matched with the fixture, the fixing portion 2 needs to be replaced to be adapted to the workpiece, and a better processing effect is achieved.

Optionally, a bolt hole 23 is formed in one surface, connected with the workpiece, of the fixing portion 2, the bolt hole 23 is formed in order to fix the workpiece on the fixing portion 2 through a bolt, and the workpiece is fixed by using a bolt connection, so that firstly, the stability is good; secondly, the disassembly is convenient.

Alternatively, the number of the bolt holes 23 is at least two, one is provided near a first side of the workpiece, and the other is provided near a second side opposite to the first side, so that the workpiece as a whole is fixed by fixing the opposite ends of the workpiece, wherein the larger the number of the bolt holes 23 is, the more the workpiece is, the more the bolt holes 23 are, the more the number of the bolt holes 23 is, the more the workpiece is, the more the bolt holes are, the more the bolt.

Optionally, as shown in fig. 1, a first connecting portion 3 and a second connecting portion 4 connected to the machine tool are provided on the base 1, the first connecting portion 3 and the second connecting portion 4 are two opposite sides, and the fixing portion 2 is provided between the first connecting portion 3 and the second connecting portion 4.

In one embodiment, as shown in fig. 4, a use scenario of the fixture assembled on the machine tool is shown, the first connecting portion 3 of the fixture is configured to abut against the machine tool, and the second connecting portion 4 is configured to be clamped with the machine tool. By the connecting mode, the fixture can rotate by 360 degrees, so that the machining of various angles of the workpiece is met, and the workpiece machining efficiency is improved.

In one embodiment, as shown in fig. 3, an assembly drawing of a cambered surface workpiece and a fixture is provided, one surface of the cambered surface workpiece is a cambered surface, the surface opposite to the cambered surface is a plane surface, the cambered surface workpiece fixes the workpiece on the fixture through the plane surface, bolt holes 23 matched with the fixture are machined in advance during production of the cambered surface workpiece, the number of the bolt holes 23 is at least 2, the cambered surface workpiece is placed along a first positioning reference edge 21 and a second positioning reference edge 22 of a fixing part 2, bolts are installed in the corresponding bolt holes 23, and the cambered surface workpiece is fixed on the fixture by tightening the bolts. The shape of the bolt hole 23 is related to the shape of the workpiece, and the plurality of bolt holes 23 may be the same or different, and is not limited herein.

In one embodiment, as shown in fig. 4, a cambered workpiece is placed on the fixing portion 2, and a use scene graph connecting the clamp with a machine tool is formed, because the clamp is abutted against one end of the machine tool and clamped with the other end of the machine tool, the clamp can rotate on the machine tool by 360 degrees to realize multi-angle processing of the workpiece, the workpiece is connected with the clamp through bolts, the stability is good, the workpiece does not fall off during rotation, and meanwhile, the side edge of the workpiece is not extruded, so that the workpiece is not deformed.

Optionally, a structure matched with the machine tool is arranged on the base 1. The main function of the structure is to prevent the structure of the base 1 from being damaged due to the fact that the machining part of the machine tool extends into the clamp in the process of machining the workpiece, so that the groove is formed in the base 1 to prevent the problems, and the structure matched with the machine tool on the base 1 is not limited.

In one embodiment, the clamp provided by the application is mainly used for fixing workpieces with special structures, such as workpieces with cambered surfaces or workpieces with other structures, namely, clamped parts of the workpieces cannot be tightly clamped with clamping parts of a standard clamp through a plane, so that the shape of the fixing part 2 is matched with the shape of the workpieces, and the workpieces are exemplarily provided with cambered surfaces, and the clamp fixes the workpieces on the clamp through bolts in a mode that the bolts do not generate excessive compression on the workpieces. The size of the fixing portion 2 varies with the size of the workpiece, and is not particularly limited.

Although some specific embodiments of the disclosed embodiments have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the disclosed embodiments. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the embodiments of the disclosure. The scope of the embodiments of the present disclosure is defined by the appended claims.

Claims

1. A workpiece holder, comprising: a clamp body (100), the clamp body (100) comprising:

a base (1);

a fixing part (2), the fixing part (2) being disposed on the base (1) and configured to fix the workpiece (200) after the workpiece (200) is placed in the fixing part (2).

2. The workpiece holder according to claim 1,

the fixing part (2) is provided with a positioning reference edge, and the positioning reference edge is configured to be attached to the side edge of the workpiece (200) after the workpiece (200) is placed in the fixing part (2).

3. The workpiece holder according to claim 2,

the positioning reference edge comprises a first positioning reference edge (21) and a second positioning reference edge (22), and the first positioning reference edge (21) and the second positioning reference edge (22) are arranged perpendicularly.

4. The workpiece holder according to claim 1,

a plurality of bolt holes (23) are formed in the fixing part (2);

the fixing part (2) is connected with the workpiece (200) through a bolt.

5. The workpiece holder according to claim 4,

the number of the bolt holes (23) is any value between 2 and 5.

6. The workpiece holder according to claim 1,

the base (1) is provided with a first connecting portion (3) and a second connecting portion (4) which are connected with a machine tool, the first connecting portion (3) is configured to be abutted to the machine tool, and the second connecting portion (4) is configured to be clamped with the machine tool.

7. The workpiece holder according to claim 1,

the fixing part (2) and the base (1) are integrally formed.

8. The workpiece holder according to claim 1,

the fixing part (2) is detachably connected with the base (1).

9. The workpiece holder according to claim 1,

and the fixed part (2) is provided with a structure matched with a machine tool.

10. The workpiece holder according to claim 1,

the base (1) is of a cylindrical or cuboid structure.