CN205888632U - CNC processing thin wall cavity spare special fixture - Google Patents

Abstract

The utility model discloses a CNC processing thin wall cavity spare special fixture, has adjusted clamping mode and locate mode, and the anchor clamps main part is cylindrical, the anchor clamps main part runs through the anchor clamps base from top to bottom, and the upper surface of anchor clamps main part upwards protrusion forms the round platform, and the upper surface of round platform upwards protrusion has a M12 locking screw, the last cover of M12 locking screw has the M12 nut, and the below of M12 nut is equipped with the packing ring, and above -mentioned anchor clamps main part, round platform and M12 locking screw are integrative, the utility model discloses an anchor clamps adopt the mode of internal stay to guarantee the yielding of thin wall cavity for the processing of product become stable and also the clamping simpler, the upper surface of anchor clamps base is equipped with the fixed pin, and the fixed pin lies in the side of anchor clamps main part, adopts the fixed pin to come the location to make the processing that kong nenggeng is stable on the thin wall like this, and it is bad to reduce the size, has improved production efficiency.

Description

A Special Fixture for CNC Machining Thin-walled Cavity Parts

technical field

The utility model relates to the field of mechanical manufacturing, in particular to a special fixture for CNC machining thin-wall cavity parts.

Background technique

The earlier fixture type is mainly composed of fixture fixed block and moving block, and the type is relatively simple. The defects of this type are: a pair of fixtures can only process one part at a time, and it is difficult to guarantee the symmetry, parallelism, verticality, and runout of the holes. Choosing a surface for positioning may easily cause a large deformation of the workpiece. , and it is not easy to process, and it is easy to cause defective parts.

Contents of the invention

The utility model aims to provide a special fixture for CNC machining thin-walled cavity parts which can control the deformation of the workpiece and stabilize the processing size.

In order to achieve the above technical purpose, the utility model adopts the following technical scheme, a special fixture for CNC machining thin-walled cavity parts, including a fixture base, the special fixture also includes a fixture main body, the fixture main body is cylindrical, and the fixture main body is up and down Through the fixture base, the upper surface of the fixture body protrudes upwards to form a round platform, and an M12 locking screw protrudes upwards from the upper surface of the circular platform. The M12 locking screw is covered with an M12 nut, and a washer is provided under the M12 nut. The above-mentioned fixture body , The round table and the M12 locking screw are integrated, and the upper surface of the clamp base is provided with a fixed pin, and the fixed pin is located on the side of the clamp main body.

Preferably, the fixture base is penetrated up and down by several M12 fixing screws, and the fixture is fixed on the machine tool through the M12 fixing screws.

Preferably, there are two M12 fixing screws.

Preferably, there are two fixing pins located on both sides of the clamp body.

In order to solve the problems that earlier fixtures easily caused deformation and difficult positioning, the utility model adjusts the clamping method and positioning method. The main body of the fixture is cylindrical. A round table, an M12 locking screw protrudes upwards from the upper surface of the round table, an M12 nut is sleeved on the M12 locking screw, and a washer is provided under the M12 nut. The above-mentioned fixture main body, the round table and the M12 locking screw are integrated. The utility model The designed fixture adopts the method of internal support to ensure the easy deformation of the thin-walled cavity, making the processing of the product stable and the clamping easier. The upper surface of the fixture base is provided with a fixing pin, which is located on the side of the fixture body , Use fixed pins to locate the holes so that the holes on the thin wall can be processed more stably, reduce poor size and improve production efficiency.

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a schematic structural view of an embodiment of the utility model.

In the figure: 1. Fixture base; 2. M12 fixing screw; 3. Fixing pin; 4. Fixture body; 5. Round table; 6. M12 locking screw; 7. Washer; 8. M12 nut.

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In the description of the present utility model, unless otherwise stipulated and limited, it should be noted that the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be The internal communication between two elements may be direct connection or indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms according to specific situations.

Referring to Fig. 1, the special fixture for CNC processing thin-wall cavity parts according to the embodiment of the present invention will be described below, including a fixture base 1, and the special fixture also includes a fixture main body 4, which is cylindrical, and the fixture main body 4 is up and down Through the clamp base 1, the upper surface of the clamp body 4 protrudes upwards to form a round platform 5, and an M12 locking screw 6 protrudes upwards from the upper surface of the circular platform 5, and the M12 locking screw 6 is covered with M12 nuts 8, M12 nuts 8 A washer 7 is arranged below, and the above-mentioned fixture main body 4 , round table 5 and M12 locking screw 6 are integrated. The upper surface of the fixture base 1 is provided with a fixing pin 3 , and the fixing pin 3 is located on the side of the fixture main body 4 .

Preferably, the fixture base 1 is penetrated up and down by several M12 fixing screws 2 , and the fixture is fixed on the machine tool through the M12 fixing screws 2 .

Preferably, there are two M12 fixing screws 2 .

Preferably, there are two fixing pins 3 located on both sides of the clamp body 4 .

In order to solve the problems that earlier fixtures easily caused deformation and difficult positioning, the utility model adjusts the clamping method and positioning method. The main body of the fixture is cylindrical. A round table, an M12 locking screw protrudes upwards from the upper surface of the round table, an M12 nut is sleeved on the M12 locking screw, and a washer is provided under the M12 nut. The above-mentioned fixture main body, the round table and the M12 locking screw are integrated. The utility model The designed fixture adopts the method of internal support to ensure the easy deformation of the thin-walled cavity, making the processing of the product stable and the clamping easier. The upper surface of the fixture base is provided with a fixing pin, which is located on the side of the fixture body , Use fixed pins to locate the holes so that the holes on the thin wall can be processed more stably, reduce poor size and improve production efficiency.

In the description of this specification, descriptions referring to the terms "one embodiment", "example", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or examples are included in the present invention. In at least one embodiment or example of . In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications, the scope of the present invention is defined by the claims and their equivalents.

Claims (4)

1. a kind of cnc processes thin walled cavity part special fixture, including clamp base it is characterised in that described special fixture also wraps Include jig main body, jig main body is cylinder, described jig main body runs through clamp base up and down, and the upper surface of jig main body is upwards Protrude and form round platform, the upper surface of round platform is protruding upward a m12 lock screw, and described m12 lock screw is cased with m12 spiral shell Mother, the lower section of m12 nut is provided with packing ring, and above-mentioned jig main body, round platform and m12 lock screw are one, described clamp base Upper surface be provided with steady pin, steady pin be located at jig main body side.

2. fixture according to claim 1 is it is characterised in that described clamp base is upper and lower by some m12 fixed screws Run through, fixture is fixed on lathe by this m12 fixed screw.

3. fixture according to claim 2 is it is characterised in that described m12 fixed screw is provided with 2.

4. fixture according to claim 1 is it is characterised in that described steady pin is provided with two, positioned at the two of jig main body Side.