CN219444357U - Vacuum suction clamp - Google Patents

Abstract

The utility model discloses a vacuum suction clamp which comprises a clamp body, wherein the clamp body is arranged on a machine tool workbench, an air cavity is formed in the clamp body, a workpiece placing cavity is formed in the side face of the clamp body, the workpiece placing cavity is communicated with the air cavity, an air pipe is arranged on the air cavity and is communicated with external vacuum equipment, an air suction switch is arranged on the air pipe, and an air leakage switch is also arranged on the air cavity. The beneficial effects of the utility model are as follows: placing the work piece in the work piece placing cavity, opening the air suction switch, and sucking air in the air cavity through the vacuum equipment, so that negative pressure is formed in the air cavity, the work piece is pressed in the work piece placing cavity, after the work piece processing is completed, opening the air leakage switch, and enabling the air pressure in the air cavity to be recovered to normal pressure, thereby taking down the work piece from the work piece placing cavity, realizing quick suction mounting of the work piece, and improving the processing efficiency.

Description

Vacuum suction clamp

Technical Field

The utility model relates to the technical field of mechanical clamps, in particular to a vacuum suction clamp.

Background

In machining, more and more thin plate parts are machined, a common clamping method is to machine a workpiece by replacing a pressing plate, but the process method has certain requirements on the skill level of personnel, and because the flatness of a blank of the thin plate parts is poor, if a gap exists between the workpiece and a tool, the workpiece is large in deformation after machining and unstable in size, and the workpiece needs to be adjusted for many times when the pressing plate is replaced, so that the machining efficiency is low.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a vacuum suction clamp.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a vacuum suction clamp, includes the anchor clamps body, and the anchor clamps body sets up on the lathe workstation, has offered the air cavity in the anchor clamps body, and the side of anchor clamps body is provided with the work piece and places the chamber, and the chamber is placed to the work piece and the air cavity intercommunication are provided with the trachea on the air cavity, and the trachea is provided with the switch of breathing in on the trachea with outside vacuum equipment intercommunication, still is provided with the bleeder switch on the air cavity.

Preferably, the vacuum gauge is connected with the air suction switch through an air pipe, the vacuum gauge is used for detecting air pressure in the air cavity, and a signal output end of the vacuum gauge is electrically connected with an external machine tool control system.

Preferably, the workpiece placing cavity is internally provided with a sealing strip, and part of the sealing strip is positioned outside the workpiece placing cavity.

Preferably, the side wall of the clamp body is provided with a chip removing plate, the feeding end of the chip removing plate is positioned below the workpiece placing cavity, and the discharging end of the chip removing plate is positioned above the chip removing groove of the machine tool.

Preferably, mounting pressing plates are mounted on two side walls of the clamp body, mounting holes are formed in the mounting pressing plates, a plurality of T-shaped grooves are formed in the machine tool workbench, the mounting holes correspond to the T-shaped grooves, T-shaped nuts are arranged in the T-shaped grooves, locking screws are mounted in the mounting holes, and the end parts of the locking screws are mounted in the T-shaped nuts.

The utility model has the following advantages: according to the utility model, the workpiece is placed in the workpiece placing cavity, the air suction switch is turned on, and the air in the air cavity is sucked through the vacuum equipment, so that the air cavity is in negative pressure, the workpiece is further pressed in the workpiece placing cavity, after the workpiece is processed, the air release switch is turned on, so that the air pressure in the air cavity is restored to normal pressure, the workpiece is taken down from the workpiece placing cavity, the rapid suction mounting of the workpiece is realized, and the processing efficiency is improved.

Drawings

FIG. 1 is a schematic top view of a vacuum chuck;

FIG. 2 is a schematic diagram of the structure of a vacuum chuck in elevation;

FIG. 3 is a schematic view of the structure of section AA;

fig. 4 is a schematic structural view of a section BB;

FIG. 5 is an enlarged schematic view of the structure of C;

in the figure, 1-fixture body, 2-work piece, 3-sealing strip, 4-chip removal board, 5-installation clamp plate, 6-suction switch, 7-vacuum gauge, 8-bleeder switch, 9-trachea, 10-lathe workstation, 11-air cavity, 12-locking screw, 13-T type groove, 14-T type nut.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In this embodiment, as shown in fig. 1 and 2, a vacuum suction clamp comprises a clamp body 1, wherein the clamp body 1 is arranged on a machine tool workbench 10, an air cavity 11 is formed in the clamp body 1, a workpiece placing cavity is formed in the side face of the clamp body 1, the workpiece placing cavity is communicated with the air cavity 11, an air pipe 9 is arranged on the air cavity 11 and communicated with external vacuum equipment, an air suction switch 6 is arranged on the air pipe 9, and an air leakage switch 8 is further arranged on the air cavity 11. The workpiece 2 is placed in the workpiece placing cavity, the air suction switch 6 is opened, air in the air cavity 11 is sucked through the vacuum equipment, so that negative pressure is formed in the air cavity 11, the workpiece 2 is pressed in the workpiece placing cavity, after the workpiece 2 is machined, the air leakage switch 8 is opened, the air pressure in the air cavity 11 is restored to normal pressure, the workpiece 2 is taken down from the workpiece placing cavity, quick suction mounting of the workpiece 2 is realized, and machining efficiency is improved.

Further, the vacuum gauge 7 is further included, the vacuum gauge 7 is connected with the air suction switch 6 through an air pipe 9, the vacuum gauge 7 is used for detecting air pressure in the air cavity 11, and a signal output end of the vacuum gauge 7 is electrically connected with an external machine tool control system. Specifically, in the process of sucking air in the air cavity 11 by the vacuum equipment, the vacuum gauge 7 detects the air pressure in the air cavity 11 in real time, when the air pressure reaches a set value, the vacuum gauge 7 sends a signal to the machine tool control system, the machine tool control system feeds the signal back to the display screen, and a worker closes the vacuum equipment according to the feedback signal to stop sucking air, so that deformation of the workpiece 2 caused by overlarge air pressure difference is avoided.

Still further, as shown in fig. 5, a sealing strip 3 is provided in the workpiece placement chamber, and a part of the sealing strip 3 is located outside the workpiece placement chamber. Specifically, when the air cavity 11 is under negative pressure, the external atmospheric pressure can compress the workpiece 2 in the workpiece placing cavity, and the workpiece 2 can squeeze the sealing strip 3 at the moment, so that the tightness is ensured.

In this embodiment, as shown in fig. 3, a chip removing plate 4 is disposed on a side wall of the fixture body 1, a feeding end of the chip removing plate 4 is located below the workpiece placing cavity, and a discharging end of the chip removing plate 4 is located above a chip removing groove of the machine tool. Specifically, when the workpiece is pressed, the workpiece is machined, scraps generated in the machining process fall on the chip removal plate 4, and the chip removal plate 4 is obliquely arranged, so that the scraps are led into a chip removal groove of the machine tool through the chip removal plate 4, the scraps are prevented from splashing, and the cleaning by workers is facilitated.

Further, as shown in fig. 4, mounting pressing plates 5 are mounted on two side walls of the clamp body 1, mounting holes are formed in the mounting pressing plates 5, a plurality of T-shaped grooves 13 are formed in the machine tool workbench 10, the mounting holes correspond to the T-shaped grooves 13, T-shaped nuts 14 are arranged in the T-shaped grooves 13, locking screws 12 are mounted in the mounting holes, and the ends of the locking screws 12 are mounted in the T-shaped nuts 14. Specifically, the mounting hole corresponds to the T-shaped groove 13 on the proper position of the machine tool table 10, and the locking screw 12 is locked in the T-shaped nut 14, so that the clamp body 1 is fixed on the machine tool table 10.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. The utility model provides a vacuum suction anchor clamps which characterized in that: including anchor clamps body (1), anchor clamps body (1) set up on lathe workstation (10), air cavity (11) have been seted up in anchor clamps body (1), the side of anchor clamps body (1) is provided with the work piece and places the chamber, the work piece place the chamber with air cavity (11) intercommunication, be provided with trachea (9) on air cavity (11), trachea (9) and outside vacuum equipment intercommunication, be provided with on trachea (9) and breathe in switch (6), still be provided with on air cavity (11) and let out air switch (8).

2. A vacuum chuck as in claim 1, wherein: the vacuum gauge is characterized by further comprising a vacuum gauge (7), wherein the vacuum gauge (7) is connected with the air suction switch (6) through the air pipe (9), the vacuum gauge (7) is used for detecting air pressure in the air cavity (11), and a signal output end of the vacuum gauge (7) is electrically connected with an external machine tool control system.

3. A vacuum chuck as in claim 2, wherein: the workpiece placement cavity is internally provided with a sealing strip (3), and part of the sealing strip (3) is positioned outside the workpiece placement cavity.

4. A vacuum chuck as in claim 3, wherein: be provided with chip board (4) on the lateral wall of anchor clamps body (1), the pan feeding end of chip board (4) is located the below in chamber is placed to the work piece, and the discharge end of chip board (4) is located the top of lathe chip groove.

5. The vacuum chuck as in claim 4, wherein: install installation clamp plate (5) on the both sides wall of anchor clamps body (1), the mounting hole has been seted up on installation clamp plate (5), a plurality of T type grooves (13) have been seted up on lathe workstation (10), just the mounting hole with T type groove (13) correspond, be provided with T type nut (14) in T type groove (13), install locking screw (12) in the mounting hole, the tip of locking screw (12) is installed in T type nut (14).