CN211614965U

CN211614965U - Clamp for numerical control machining

Info

Publication number: CN211614965U
Application number: CN201921859276.XU
Authority: CN
Inventors: 赵晓雷
Original assignee: Anshan Diri Technology Development Co ltd
Current assignee: Anshan Diri Technology Development Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-10-02
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses an anchor clamps for numerical control processing, including the anchor clamps body, the hole has been seted up to one side of anchor clamps body, the inside of hole is pegged graft and is had the slide bar, the anchor clamps body is in the homonymy department of hole set up with the mounting groove of hole with the centre of a circle, the inside of anchor clamps body is provided with the air cavity, the trachea that metal material was passed through to one side of air cavity is connected with the air pump, the inner wall that the hole is close to air cavity one end is provided with the spacing groove, the slide bar is located the inside one end an organic whole of hole and is provided with pneumatic piece, the external diameter of slide bar matches with the internal diameter of hole, the inner wall bonding of spacing groove has the seal cover, the material of seal cover is the same with pneumatic piece's material, the slide bar includes the. Through the cooperation of above each device use, can realize better centre gripping to the work piece that the appearance is complicated, can prevent that the work piece from removing in the course of working, the condition that the processing is accurate appears influencing.

Description

Clamp for numerical control machining

Technical Field

The utility model relates to a numerical control processing centre gripping correlation technique field specifically is an anchor clamps for numerical control processing.

Background

In the numerical control machining process, a workpiece needs to be clamped to prevent the workpiece from moving in the numerical control machining process and affecting machining precision, but in the numerical control machining process, workpieces with complex shapes or workpieces with difficult-to-find clamping force points exist, and after the workpiece with the complex shape is clamped, the workpiece still easily moves in the machining process and affects the precision of numerical control machining, so that a clamp capable of clamping the workpiece with the complex shape is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anchor clamps for numerical control processing to there is the problem that is difficult to carry out the centre gripping to the complicated work piece of appearance in the numerical control processing who proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the clamp for numerical control machining comprises a clamp body, wherein holes which are arranged in a matrix mode are formed in one side of the clamp body, and sliding rods which can freely slide in the holes are inserted in the holes.

Preferably, the clamp body is provided with a placing groove at the same side of the hole, the placing groove is circular and concentric with the hole, and the inner diameter of the placing groove is matched with the outer diameter of one end, away from the hole, of the slide rod.

Preferably, the inside of anchor clamps body is provided with the air cavity, the air cavity link up with the hole, one side of air cavity is connected with the air pump through the trachea of metal material, the air pump passes through the wire and is connected with the commercial power, it has the single-pole double-throw switch to establish ties through the wire between air pump and the commercial power.

Preferably, the inner wall of the hole close to one end of the air cavity is provided with a limiting groove, one end of the slide bar, which is positioned inside the hole, is integrally provided with a pneumatic block, the outer diameter of the pneumatic block is matched with the inner diameter of the limiting groove, and the outer diameter of the slide bar is matched with the inner diameter of the hole.

Preferably, a sealing sleeve with the thickness of 0.1-0.2mm is bonded on the inner wall of the limiting groove, the sealing sleeve is made of the same material as the pneumatic block and is made of rubber, and the length of the pneumatic block is 2-3 cm.

Preferably, the slide bar includes connecting rod and contact piece, the contact piece is the rubber material, and the contact piece is hemisphere type structure, the external diameter of contact piece top view is unanimous with the internal diameter of settling the groove, the one end that the connecting rod was kept away from to the contact piece flushes with the side of anchor clamps body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, through the power of opening the air pump, make the inside atmospheric pressure of air cavity rise, the inside atmospheric pressure of air cavity promotes pneumatic piece and slide bar and slides in the inside of hole to make the contact piece support the outer wall at the work piece, can realize carrying out the purpose of centre gripping to the work piece that the appearance is complicated, and the work piece can prevent through the laminating of a plurality of slide bars and work piece outer wall that the work piece from removing in the course of working, avoids influencing the precision of processing.

2. The utility model discloses, through the laminating of pneumatic piece seal cover, can seal the air cavity to when relative slip between pneumatic piece and seal cover, can avoid producing the gap between the two, can convert the inside atmospheric pressure of air cavity into the inside gliding power of slide bar in the hole better.

Drawings

FIG. 1 is a schematic structural view of a clamp body according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a front cross-sectional structure of an air cavity in an embodiment of the present invention;

fig. 3 is a schematic diagram of a circuit connection according to an embodiment of the present invention.

In the figure: 1. a clamp body; 11. a placing groove; 2. a hole; 21. a limiting groove; 22. sealing sleeves; 3. A slide bar; 31. a pneumatic block; 32. a connecting rod; 33. a contact block; 4. an air cavity; 41. an air tube; 42. an air pump; 43. single pole double throw switch.

Detailed Description

In order to better clamp a workpiece with a complex external shape and prevent the workpiece from moving in the machining process, the numerical control machining clamp is particularly provided. The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Example 1

Referring to fig. 1-3, the present embodiment provides a clamp for numerical control machining, which includes a clamp body 1, a plurality of holes 2 arranged in a matrix are formed on one side of the clamp body 1, and a slide rod 3 is inserted into the holes 2 and can slide freely therein.

The clamp body 1 is provided with a placing groove 11 at the same side of the hole 2, the placing groove 11 is circular, the placing groove 11 and the hole 2 are concentrically arranged, and the inner diameter of the placing groove 11 is matched with the outer diameter of one end, away from the hole 2, of the slide rod 3.

An air cavity 4 is arranged in the clamp body 1, the air cavity 4 is communicated with the hole 2, one side of the air cavity 4 is connected with an air pump 42 through an air pipe 41 made of metal, the air pump 42 is connected with mains supply through a lead, and a single-pole double-throw switch 43 is connected in series between the air pump 42 and the mains supply through a lead.

The inner wall of the hole 2 close to one end of the air cavity 4 is provided with a limiting groove 21, one end of the slide rod 3 positioned inside the hole 2 is integrally provided with a pneumatic block 31, the outer diameter of the pneumatic block 31 is matched with the inner diameter of the limiting groove 21, and the outer diameter of the slide rod 3 is matched with the inner diameter of the hole 2.

The inner wall of the limiting groove 21 is bonded with a sealing sleeve 22 with the thickness of 0.1-0.2mm, the material of the sealing sleeve 22 is the same as that of the pneumatic block 31, the sealing sleeve 22 is made of rubber, and the length of the pneumatic block 31 is 2-3 cm.

The sliding rod 3 comprises a connecting rod 32 and a contact block 33, the contact block 33 is made of rubber, the contact block 33 is of a hemispherical structure, the outer diameter of the top view of the contact block 33 is consistent with the inner diameter of the placement groove 11, and one end, away from the connecting rod 32, of the contact block 33 is flush with the side face of the clamp body 1.

In this embodiment, when the air pump 42 is connected to the commercial power, the transformer and the rectifier are used to control the commercial power voltage between 12V and 48V, then the alternating current is changed into the direct current, the positive and negative poles of the direct current are connected to the two ends of the air pump 42 by the wires, and the single-pole double-throw switch 43 is connected between the two ends in series.

When the tool is used, a workpiece is placed in the fixture body 1, the workpiece stands in the fixture body 1, under the action of gravity, the workpiece is stable in the fixture body 1, then the fixture body 1 clamps the workpiece, when the workpiece cannot be stirred in the fixture body 1 by hands, the single-pole double-throw switch 43 is closed by hands, the air pump 42 rotates forwards and blows air into the air cavity 4, and the air is difficult to compress, so that the air pressure in the air cavity 4 is increased, and the pressure is released by pushing the pneumatic block 31.

The pneumatic block 31 drives the slide rod 3 to slide in the hole 2 under the pushing of the air pressure in the air chamber 4 until one end of the contact block 33 far away from the connecting rod 32 contacts with the outer wall of the workpiece, and after the contact blocks 33 at the end parts of the slide rods 3 all contact with the outer wall of the workpiece, the single-pole double-throw switch 43 is switched off, so that the air pump 42 can inform the operation.

After the workpiece is machined, the distance between the clamp bodies 1 is increased, the workpiece can be taken out sufficiently, after the workpiece is taken out, the single-pole double-throw switch 43 is closed, the air pump 42 is enabled to draw the hole in the air cavity 4 away, the air pressure in the air cavity 4 is reduced, under the action of the external atmospheric pressure, the pneumatic block 31 drives the connecting rod 32 to slide in the hole 2 until one side of the contact block 33, close to the connecting rod 32, is attached to the inner wall of the limiting groove 21, and then the single-pole double-throw switch 43 is switched off, so that the air pump 42 stops working.

Through the cooperation of above each device use, can realize better centre gripping to the work piece that the appearance is complicated, can prevent that the work piece from removing in the course of working, the condition that the processing is accurate appears influencing.

Example 2

Referring to fig. 2, a further improvement is made on the basis of embodiment 1: the one end an organic whole that slide bar 3 is located inside hole 2 is provided with pneumatic block 31, the external diameter of pneumatic block 31 and the internal diameter phase-match of spacing groove 21, the external diameter of slide bar 3 and the internal diameter phase-match of hole 2, the inner wall of spacing groove 21 bonds and has the seal cover 22 of thickness between 0.1-0.2mm, the material of seal cover 22 is the same with the material of pneumatic block 31, and be the rubber material, the length of pneumatic block 31 is between 2-3cm, through the laminating of pneumatic block 31 seal cover 22, can seal air cavity 4, and when sliding relatively between pneumatic block 31 and seal cover 22, can avoid producing the gap between the two, can convert the inside atmospheric pressure of air cavity 4 into the gliding power of slide bar 3 in hole 2 better.

In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a anchor clamps for numerical control processing, includes anchor clamps body (1), its characterized in that: the clamp is characterized in that holes (2) which are arranged in a matrix mode are formed in one side of the clamp body (1), and sliding rods (3) which can freely slide in the holes (2) are inserted in the holes.

2. The jig for numerical control machining according to claim 1, characterized in that: the clamp body (1) is provided with a placing groove (11) at the same side of the hole (2), the placing groove (11) is circular, the placing groove (11) and the hole (2) are concentrically arranged, and the inner diameter of the placing groove (11) is matched with the outer diameter of one end, away from the hole (2), of the slide rod (3).

3. The jig for numerical control machining according to claim 1, characterized in that: the fixture comprises a fixture body (1), and is characterized in that an air cavity (4) is arranged inside the fixture body (1), the air cavity (4) is communicated with a hole (2), one side of the air cavity (4) is connected with an air pump (42) through an air pipe (41) made of metal materials, the air pump (42) is connected with a mains supply through a wire, and a single-pole double-throw switch (43) is connected between the air pump (42) and the mains supply in series through a wire.

4. The jig for numerical control machining according to claim 1, characterized in that: the inner wall of one end, close to the air cavity (4), of the hole (2) is provided with a limiting groove (21), one end, located inside the hole (2), of the sliding rod (3) is integrally provided with a pneumatic block (31), the outer diameter of the pneumatic block (31) is matched with the inner diameter of the limiting groove (21), and the outer diameter of the sliding rod (3) is matched with the inner diameter of the hole (2).

5. The jig for numerical control machining according to claim 4, characterized in that: the inner wall of the limiting groove (21) is bonded with a sealing sleeve (22) with the thickness of 0.1-0.2mm, the material of the sealing sleeve (22) is the same as that of the pneumatic block (31), the sealing sleeve is made of rubber, and the length of the pneumatic block (31) is 2-3 cm.

6. The jig for numerical control machining according to claim 1, characterized in that: slide bar (3) are including connecting rod (32) and contact piece (33), contact piece (33) are the rubber material, and contact piece (33) are hemisphere type structure, the external diameter of contact piece (33) top view is unanimous with the internal diameter of resettlement groove (11), the one end that connecting rod (32) were kept away from in contact piece (33) flushes with the side of anchor clamps body (1).