CN211991954U

CN211991954U - CNC processing thin wall arcwall face air jig

Info

Publication number: CN211991954U
Application number: CN202020492310.0U
Authority: CN
Inventors: 陈锐杰
Original assignee: Qianglong Technology Suzhou Co ltd
Current assignee: Qianglong Technology Suzhou Co ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2020-11-24
Anticipated expiration: 2030-04-07

Abstract

The utility model relates to a CNC processing thin wall arcwall face air jig, four angles of anchor clamps mainboard are run through from bottom to top respectively by M8 fixed screw, M8 fixed screw passes the bracing piece of anchor clamps mainboard upper surface and is connected with the anchor clamps fixed plate, four angles of anchor clamps fixed plate upper surface undercut form little recess, be equipped with the locating pin in the little recess, can install and clamp four work pieces once, accomplish quick location through little recess and locating pin, be equipped with the cylinder above the intermediate position of anchor clamps mainboard, the cylinder is fixedly connected with the M10 fixed screw that runs through the anchor clamps mainboard from top to bottom, the pull rod of cylinder upwards runs through the anchor clamps fixed plate and the clamp plate above the anchor clamps mainboard, the pull rod drives the clamp plate and accomplishes the clamping downwards, the constant head tank of clamp plate lower surface suits with the work piece shape, the clamping is more firm when the work piece just can not damaged in this way, the clamp plate is, when aiming at the special-shaped workpiece, the limit pin in asymmetric design can play a role in preventing reversion.

Description

CNC processing thin wall arcwall face air jig

Technical Field

The utility model relates to a machine-building field especially relates to a CNC processing thin wall arcwall face air jig.

Background

The earlier clamp type, which mainly consists of a fixed clamp block and a movable clamp block, is relatively simple and has the following defects: a pair of clamps can only process a part at a time, the symmetry, parallelism, verticality and jumping of a hole are difficult to guarantee, a surface is selected for positioning, the workpiece is easy to deform greatly and is difficult to process, the part is easy to scratch in clamping, deviation is easy to exist in the position and size processing of the hole during hole processing, the clamping is complicated, the part is easy to cause badness, the clamp for processing the outline of two ends generally consists of two clamp fixed blocks and a movable block, the replacement and clamping of the two clamps are troublesome, the positioning surface is easy to cause the displacement and deformation of the workpiece, the size processing is poor and the deformation are caused, and the positioning mode and the clamping mode have great defects.

Disclosure of Invention

The utility model aims at providing a CNC processing thin wall arcwall face air jig of deformation that can control the work piece and stable machining dimension.

In order to achieve the technical purpose, the utility model adopts the following technical scheme that a CNC processing thin-wall arc-shaped surface pneumatic clamp comprises a clamp main board, wherein four corners of the clamp main board are respectively penetrated from bottom to top by M8 fixing screws, the M8 fixing screws penetrate through a supporting rod on the upper surface of the clamp main board to be connected with a clamp fixing plate, the four corners on the upper surface of the clamp fixing plate are sunken downwards to form small grooves, positioning pins are arranged in the small grooves, an air cylinder is arranged above the middle position of the clamp main board and fixedly connected with the M10 fixing screws penetrating through the clamp main board from top to bottom, a pull rod of the air cylinder penetrates through the clamp fixing plate and a pressing plate above the clamp main board upwards, the middle position of the top of the pull rod is sunken downwards to form a screw hole to be connected with the M8 locking screw, the diameter of the top of the pull rod is smaller than, the clamp fixing plate is provided with a pin hole corresponding to the pin, and the lower surface of the pressing plate is upwards sunken to form four positioning grooves.

Preferably, the main board of the clamp is penetrated by four M10 fixing screws.

Preferably, two limit pins penetrating the pressure plate are provided.

Preferably, the two limit pins are of asymmetric design with the pull rod as a center.

In order to solve the problem that the early clamp is easy to deform and difficult to position, the clamp comprises a clamp main board, wherein four corners of the clamp main board are respectively penetrated through from bottom to top by M8 fixing screws, the M8 fixing screws penetrate through supporting rods on the upper surface of the clamp main board and are connected with a clamp fixing plate, the four corners on the upper surface of the clamp fixing plate are sunken downwards to form small grooves, positioning pins are arranged in the small grooves, four workpieces can be clamped at one time, the small grooves and the positioning pins are used for completing quick positioning, an air cylinder is arranged above the middle position of the clamp main board and is fixedly connected with the M10 fixing screws penetrating through the clamp main board from top to bottom, a pull rod of the air cylinder penetrates through the clamp fixing plate and a pressing plate above the clamp main board upwards, the pressing plate is driven by the pull rod to complete clamping downwards, a positioning groove on the lower surface of the pressing, the pin is downwards clamped into the pin hole to fix the position of the pressure plate, and when the special-shaped workpiece is aimed at, the asymmetrically designed limiting pin can play a role in preventing reverse rotation.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an embodiment of the present invention.

In the figure: 1. a clamp main board; 2. m8 set screws; 3. a support bar; 4. fixing a clamp plate; 5. positioning pins; 6. a cylinder; 7. m10 set screws; 8. a pull rod; 9. pressing a plate; 10. m8 locking screw; 11. a limit pin; 12. a pin hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be understood that the terms "mounted," "connected," and "connected" are used in a broad sense and can be, for example, mechanically or electrically connected, or can be connected by two elements through internal communication, either directly or indirectly via an intermediate medium. The specific meaning of the above terms can be understood by those of ordinary skill in the art as appropriate.

The pneumatic clamp for CNC machining of thin-wall arc-shaped surfaces according to the embodiment of the present invention is described below with reference to fig. 1, which comprises a clamp main plate 1, wherein four corners of the clamp main plate 1 are penetrated from bottom to top by M8 fixing screws 2, M8 fixing screws 2 pass through support rods 3 on the upper surface of the clamp main plate 1 and are connected with a clamp fixing plate 4, four corners on the upper surface of the clamp fixing plate 4 are recessed downwards to form small grooves, positioning pins 5 are arranged in the small grooves, a cylinder 6 is arranged above the middle position of the clamp main plate 1, the cylinder 6 is fixedly connected with M10 fixing screws 7 penetrating through the clamp main plate 1 from top to bottom, a pull rod 8 of the cylinder 6 penetrates through the clamp fixing plate 4 and a pressing plate 9 above the clamp main plate 1 upwards, the middle position on the top of the pull rod 8 is recessed downwards to form a screw hole for connecting with M8 locking screws 10, the diameter of the, the pressing plate 9 is penetrated by a limiting pin 11, a pin hole 12 corresponding to the pin 11 is arranged on the fixture fixing plate 4, and the lower surface of the pressing plate 9 is upwards sunken to form four positioning grooves.

Preferably, the main board 1 of the jig is penetrated by four M10 fixing screws 7.

Preferably, two limit pins 11 penetrating the pressing plate 9 are provided.

Preferably, the two limit pins 11 are of asymmetrical design with the pull rod 8 as the center.

In the description herein, references to the description of "one embodiment," "an example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A CNC processing thin wall arcwall face air jig, includes the anchor clamps mainboard, its characterized in that, four angles of anchor clamps mainboard are run through from bottom to top by M8 fixed screw respectively, M8 fixed screw passes the bracing piece of anchor clamps mainboard upper surface and is connected with the anchor clamps fixed plate, four angles of anchor clamps fixed plate upper surface undercut form little recess, be equipped with the locating pin in the little recess, be equipped with the cylinder above the intermediate position of anchor clamps mainboard, the cylinder with run through anchor clamps mainboard from top to bottom M10 fixed screw fixed connection, the pull rod of cylinder runs through the clamp fixed plate and the clamp plate above the anchor clamps mainboard upwards, the pull rod top intermediate position undercut forms screw hole connection M8 locking screw, pull rod top diameter is less than the lower part, the clamp plate cover is rotatory with the pull rod as the centre of a circle at the pull rod top, the clamp plate is run through by spacing pin, be equipped with the pinhole that, the lower surface of the pressing plate is upwards sunken to form four positioning grooves.

2. The clip of claim 1 wherein the clip main panel is threaded through by four M10 set screws.

3. The clamp of claim 1, wherein there are two stop pins extending through the pressure plate.

4. The clamp of claim 3, wherein the two stop pins are of asymmetric design centered on the pull rod.