CN211680991U

CN211680991U - CNC adds clamping apparatus in spot facing work

Info

Publication number: CN211680991U
Application number: CN201922264633.4U
Authority: CN
Inventors: 陈锐杰
Original assignee: Qianglong Technology Suzhou Co ltd
Current assignee: Jieweite Intelligent Manufacturing Suzhou Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-10-16
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to a special fixture for CNC machining holes, six fixing units are arranged above a fixture main board, each fixing unit comprises a disc-shaped positioning block, the upper surface of each positioning block is a positioning surface, a positioning pin is arranged on each positioning surface, a supporting block is arranged at the middle position of each positioning block and comprises a middle inner supporting block and a peripheral outer supporting block, the outer surface of each outer supporting block is in a circular arc shape, the outer supporting block is controlled by a cylinder arranged below the fixture main board to move inwards or outwards, the positioning mode and the clamping mode are adjusted by the fixture, the external positioning is realized by adopting a pneumatic clamp and a clamping mode of internal support of a six-petal supporting block, the hole of the product is processed, the clamping is simple, and the pneumatic inner support mode is adopted, so that the pneumatic inner support device can adapt to holes of various specifications without damaging workpieces, six parts can be simultaneously processed by one-time clamping, and the production efficiency and time are improved.

Description

CNC adds clamping apparatus in spot facing work

Technical Field

The utility model relates to a machine-building field especially relates to a CNC processing hole special fixture.

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 can control the deformation of work piece and stabilize the CNC processing hole special fixture of machining size.

For realizing above-mentioned technical purpose, the utility model discloses a following technical scheme, a CNC adds clamping apparatus in working hole, including the anchor clamps mainboard, thereby four angles of anchor clamps mainboard are run through from top to bottom by M20 fixed screw respectively with the installation of anchor clamps mainboard on the lathe, the intermediate position of two sides on the anchor clamps mainboard upper surface is put to extend a indent to anchor clamps mainboard central point from anchor clamps mainboard edge respectively, the top of anchor clamps mainboard is equipped with the big clamp plate of an anchor clamps, and the big clamp plate of anchor clamps passes through M12 fixed screw to be fixed on the anchor clamps mainboard, M12 fixed screw runs through the big clamp plate of anchor clamps to be fixed on the anchor clamps mainboard, and the upper surface of anchor clamps mainboard still is equipped with.

Preferably, the large clamp pressure plate of the clamp is penetrated by two M12 fixing screws.

Preferably, one M12 fixing screw penetrates through the center positions of the large clamp plate and the clamp main plate, and the other M12 fixing screw is eccentrically arranged.

Preferably, the upper surface of the clamp main board is provided with two positioning pins which are respectively arranged at the left side and the right side of the pressing groove.

Preferably, the two press grooves are symmetrically arranged by taking the central position of the clamp main plate as a central point.

Preferably, a gasket is arranged between the M12 fixing screw and the upper surface of the large pressure plate of the clamp.

In order to solve the problem that an 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 up and down by M20 fixing screws so as to install the clamp main board on a machine tool, the middle positions of two side edges of the upper surface of the clamp main board respectively extend from the edge of the clamp main board to the central position of the clamp main board, a clamp large pressing plate is arranged above the clamp main board and fixed on the clamp main board by M12 fixing screws, the M12 fixing screws penetrate through the clamp large pressing plate and are fixed on the clamp main board, and the upper surface of the clamp main board is also provided with a positioning pin. The production efficiency and time are improved.

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. m20 set screws; 3. pressing a groove; 4. a clamp large pressing plate; 5. m12 set screws; 6. positioning pins; 7. a gasket.

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 utility model discloses a follow and describe according to the utility model discloses CNC adds clamping apparatus in hole, including anchor clamps mainboard 1, thereby four angles of anchor clamps mainboard 1 are run through from top to bottom by M20 fixed screw 2 respectively and install anchor clamps mainboard 1 on the lathe, and the intermediate position of two sides on the 1 upper surface of anchor clamps mainboard is put from 1 edge of anchor clamps mainboard to 1 central point of anchor clamps mainboard and is extended a indent 3, the top of anchor clamps mainboard 1 is equipped with the big clamp plate 4 of an anchor clamps, and the big clamp plate 4 of anchor clamps passes through M12 fixed screw 5 to be fixed on anchor clamps mainboard 1, M12 fixed screw 5 runs through the big clamp plate 4 of anchor clamps and fixes on anchor clamps mainboard 1, and the upper surface of anchor clamps mainboard 1 still is equipped with locating pin 6.

Preferably, the clamp large pressure plate 4 is penetrated by two M12 fixing screws 5.

Preferably, one M12 fixing screw 5 penetrates through the center positions of the clamp large pressure plate 4 and the clamp main plate 1, and the other M12 fixing screw 5 is eccentrically arranged.

Preferably, the upper surface of the clamp main plate 1 is provided with two positioning pins 6, and the positioning pins 6 are respectively arranged at the left side and the right side of the indent 3.

Preferably, the two press grooves 3 are arranged symmetrically with respect to the center position of the main plate 1 of the jig.

Preferably, a gasket 7 is arranged between the M12 fixing screw 5 and the upper surface of the clamp large pressure plate 4.

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. The utility model provides a CNC adds clamping apparatus in hole, includes the anchor clamps mainboard, its characterized in that, thereby four angles of anchor clamps mainboard are run through from top to bottom by M20 fixed screw respectively with the installation of anchor clamps mainboard on the lathe, the intermediate position of two sides on anchor clamps mainboard upper surface is put to anchor clamps mainboard central point from anchor clamps mainboard edge respectively and is extended a indent, the top of anchor clamps mainboard is equipped with the big clamp plate of an anchor clamps, and the big clamp plate of anchor clamps passes through M12 fixed screw to be fixed on the anchor clamps mainboard, M12 fixed screw runs through the big clamp plate of anchor clamps and fixes on the anchor clamps mainboard, and the upper surface of anchor clamps mainboard still is equipped with.

2. The clamp of claim 1, wherein the clamp large pressure plate is penetrated by two M12 set screws.

3. The clamp of claim 2, wherein one M12 fixing screw penetrates through the center positions of the large clamp plate and the clamp main plate, and the other M12 fixing screw is eccentrically arranged.

4. The clamp of claim 1, wherein the upper surface of the main plate of the clamp is provided with two positioning pins, and the positioning pins are respectively arranged at the left side and the right side of the pressing groove.

5. The clip defined in claim 1 wherein the two indent portions are symmetrically disposed about a central position of the main panel of the clip.

6. The clamp of claim 1, wherein a washer is provided between the M12 set screw and the upper surface of the large clamp plate.