Non-contact vacuum chuck device

Abstract

The utility model relates to the technical field of vacuum chucks, in particular to a non-contact type vacuum chuck device which comprises a chuck body, a supply hole is formed in the middle of the upper portion inside the chuck body, an air conveying pipe is fixedly connected to the inner wall of the supply hole in the middle of the upper portion inside the chuck body, and a mounting hole is formed in the edge of the upper portion inside the chuck body. A mounting rod is fixedly connected to the inner wall of a mounting hole in the upper edge in the sucker body; through design cooperation of the supply holes and the exhaust holes, air guided in from the air supply holes can enter the suction cup through the air conveying pipe and then is sprayed out through the exhaust holes, after the atmosphere is exhausted, a gap between the suction cup body and a workpiece generates a vacuum field on the center part exhausted towards the outer circumferential direction, and therefore non-contact working attraction force is achieved; meanwhile, the airflow plate at the bottom of the suction cup body is in an independently developed cleaning groove shape, air is discharged in a discharging mode, waves of pulsation and swirling flow are restrained, and the amplitude of a work piece can be effectively restrained.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vacuum chuck technical field especially relates to a kind of non-contact vacuum chuck device. BACKGROUND

[0002] Non-contact vacuum chuck is an innovative industrial equipment, it is sucked and kept object by creating a low pressure area, without physical contact.

[0003] Traditional contact type vacuum chuck can meet the use demand in many cases, but they have some inherent defects, first, since chuck needs to be in direct contact with workpiece surface, this can leave mark or cause damage on workpiece surface, especially when processing surface sensitive or high-precision workpiece;Second, contact type chuck can cause workpiece displacement or damage due to excessive friction during handling;In addition, for complex or irregular workpiece, the adaptability of traditional chuck is poor, it is difficult to realize effective grabbing, in order to solve these problems, non-contact vacuum chuck technology is developed, this kind of chuck forms a thin air film between chuck and workpiece, avoids direct contact, thereby reducing damage and pollution to workpiece surface.

[0004] However, existing vacuum chuck technology has some limitations, first, traditional vacuum chuck can produce pulsation and swirl flow due to unstable airflow during vacuum formation, cause workpiece to vibrate during adsorption, affect the stability and accuracy of handling;Second, the existing vacuum chuck has insufficient grip on smooth surface, easy to cause sliding, affect handling efficiency and safety, in view of this, provide a kind of non-contact vacuum chuck device to overcome the above defects. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in prior art, and provides a kind of non-contact vacuum chuck device.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of non-contact vacuum chuck device, including chuck body, the upper middle of the inside of chuck body is provided with supply hole, the inner wall of the supply hole in the upper middle of the inside of chuck body is fixedly connected with gas pipe, the upper edge of the inside of chuck body is provided with mounting hole, the inner wall of the mounting hole of the upper edge of the inside of chuck body is fixedly connected with mounting rod, the front side of the inside of chuck body is provided with exhaust hole, the inner wall of the exhaust hole of the front side of the inside of chuck body is provided with communication groove in the middle of lower side, the bottom of chuck body is fixedly connected with airflow plate, the edge of the bottom of chuck body is fixedly connected with antiskid ring, the airflow plate of the bottom of chuck body adopts independent development clean groove shape, air is discharged in the shape of air, the wave of pulsation and rotational flow is inhibited, the amplitude of workpiece can be effectively inhibited.

[0007] As further description of the above technical solution: the number of mounting holes is four, and the mounting holes are distributed in the upper, lower, left and right four directions of the upper inside of the chuck body, the cross-sectional diameter of the mounting hole is matched with the cross-sectional diameter of the mounting rod, the chuck body can be fixed on the outside of the mounting rod, and the purpose of mounting the chuck body is achieved.

[0008] As further description of the above technical solution: the cross-sectional diameter of the gas pipe is matched with the cross-sectional diameter of the supply hole, the supply hole on the upper inside of the chuck body and the exhaust hole on the front inside of the chuck body are in intercommunication state, the air introduced from the air supply hole can enter the inside of the chuck through the gas pipe, and then be sprayed out through the exhaust hole, after atmospheric exhaust, the gap between the chuck body and the workpiece generates a vacuum field to the center part discharged in the peripheral direction, so that the non-contact working attraction force is achieved.

[0009] As further description of the above technical solution: the bottom of the chuck body is provided with an annular groove, and the airflow plate is located in the annular groove provided in the bottom of the chuck body, the exhaust hole and the annular groove provided in the bottom of the chuck body are in intercommunication state through the communication groove, the gas flows from the supply hole to the exhaust hole, and the gap between the chuck body and the workpiece generates a vacuum field to the center part discharged in the peripheral direction.

[0010] As further description of the above technical solution: the longitudinal section shape of the airflow plate is trapezoidal, and the overall shape of the airflow plate is circular plate, the inclined surface at the edge of the airflow plate is perpendicular to the communication groove provided below the inner wall of the exhaust hole, the airflow plate at the bottom of the chuck body adopts independent development clean groove shape, air is discharged in the shape of air, the wave of pulsation and rotational flow is inhibited, and the amplitude of workpiece can be effectively inhibited.

[0011] As a further description of the above technical solutions: the airflow plate bottom is provided with a convex round plate, and the round plate bottom is parallel to the anti-skid ring bottom edge fixed to the suction cup body bottom, so that the anti-skid ring bottom is parallel to the airflow plate bottom, and the non-contact type suction of the workpiece surface is realized.

[0012] As a further description of the above technical solutions: the anti-skid ring is located outside the annular groove opened at the suction cup body bottom, and the wall width of the anti-skid ring is consistent with the distance from the outer edge of the annular groove to the outer edge of the suction cup body, so that the stability of the suction cup body bottom and the airflow plate bottom on the smooth surface is improved to a certain extent.

[0013] The utility model has the following beneficial effects:

[0014] The non-contact type vacuum suction cup device designed by the utility model is characterized in that: the air introduced from the air supply hole enters the suction cup interior through the air supply pipe, and then is sprayed out at the air exhaust hole, so that the gap between the suction cup body and the workpiece generates a vacuum field in the outward peripheral direction of the central part after the air is exhausted, thereby achieving the non-contact working suction force; meanwhile, the airflow plate at the bottom of the suction cup body adopts an independently developed clean groove shape, and the air is discharged in a shape, so that the pulsation and the vortex flow wave are inhibited, the amplitude of the workpiece can be effectively inhibited, compared with the traditional mechanical clamp, the non-contact property of the suction cup body reduces the damage to the workpiece, the suction force is stable and adjustable, the device is suitable for workpieces of different shapes and sizes, is widely applied to various industrial environments, and the anti-skid ring arranged at the bottom of the suction cup body increases the friction between the workpieces, so that the stability of the suction cup body bottom and the airflow plate bottom on the smooth surface is improved to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of the utility model;

[0016] Fig. 2 It is a longitudinal section structure schematic view of the suction cup body of the utility model;

[0017] Fig. 3 It is a whole structure schematic view of the airflow plate of the utility model;

[0018] Fig. 4 It is a longitudinal rotation 180 structure schematic view of the suction cup body of the utility model.

[0019] Legend:

[0020] 1, suction cup body; 2, air supply pipe; 3, mounting rod; 4, air exhaust hole; 5, mounting hole; 6, air supply hole; 7, communication groove; 8, airflow plate; 9, anti-skid ring. DETAILED DESCRIPTION

[0021] Reference Figs. 1 to 4The utility model provides a kind of non-contact vacuum chuck device, including chuck body 1, supply hole 6 is set in the middle of the upper inside of chuck body 1, the inner wall of supply hole 6 in the middle of the upper inside of chuck body 1 is provided with gas pipe 2, mounting hole 5 is set in the upper edge of the inside of chuck body 1, the inner wall of mounting hole 5 in the upper edge of the inside of chuck body 1 is provided with mounting rod 3, exhaust hole 4 is set in the front side of the inside of chuck body 1, the inner wall of exhaust hole 4 in the front side of the inside of chuck body 1 is set in the middle of lower side and is provided with communication groove 7, chuck body 1 bottom is welded airflow plate 8, the edge of chuck body 1 bottom is connected by viscose anti-skid ring 9, airflow plate 8 of chuck body 1 bottom adopts the shape of independent development clean tank, air is discharged in the shape of putting, the wave of pulsation and swirl flow is inhibited, the amplitude of work object can be effectively inhibited, compared with traditional mechanical clamp, the non-contact of chuck body 1 reduces the damage to workpiece.

[0022] As further implementation of the above technical solution: the number of mounting hole 5 is four, and mounting hole 5 is distributed in the upper, lower, left and right four directions of the upper inside of chuck body 1, the cross-sectional diameter of mounting hole 5 is matched with the cross-sectional diameter of mounting rod 3, chuck body 1 can be fixed on the outside of mounting rod 3, to realize the purpose of mounting chuck body 1.

[0023] As further implementation of the above technical solution: the cross-sectional diameter of gas pipe 2 is matched with the cross-sectional diameter of supply hole 6, supply hole 6 in the upper inside of chuck body 1 and exhaust hole 4 in the front side of the inside of chuck body 1 are in intercommunication state, the air introduced from air supply hole can enter the inside of chuck through gas pipe 2, and then be sprayed through exhaust hole 4, after atmospheric exhaust, the gap between chuck body 1 and workpiece generates vacuum field to the center part discharged in the peripheral direction, so as to achieve non-contact working attraction.

[0024] As further implementation of the above technical solution: annular groove is set in the bottom of chuck body 1, and airflow plate 8 is in the annular groove set in the bottom of chuck body 1, exhaust hole 4 and the annular groove set in the bottom of chuck body 1 are interconnected through communication groove 7, gas flows from supply hole 6 to exhaust hole 4, the gap between chuck body 1 and workpiece generates vacuum field to the center part discharged in the peripheral direction.

[0025] As further implementation of the above technical solution: the longitudinal section shape of airflow plate 8 is trapezoidal, and the overall shape of airflow plate 8 is circular plate, the inclined surface at the edge of airflow plate 8 is perpendicular to the communication groove 7 set below the inner wall of exhaust hole 4, airflow plate 8 at the bottom of chuck body 1 adopts the shape of independent development clean tank, air is discharged in the shape of putting, the wave of pulsation and swirl flow is inhibited, the amplitude of work object can be effectively inhibited.

[0026] As a further embodiment of the above technical solution: the airflow plate 8 is provided with a raised round plate at the bottom, and the bottom of the round plate is fixed with the bottom edge of the suction cup body 1, and the bottom of the anti-skid ring 9 is parallel to the bottom of the airflow plate 8, so that the bottom of the anti-skid ring 9 is parallel to the bottom of the airflow plate 8, and the workpiece surface is sucked without contact.

[0027] As a further embodiment of the above technical solution: the anti-skid ring 9 is located outside the annular groove at the bottom of the suction cup body 1, and the wall width of the anti-skid ring 9 is consistent with the distance from the outer edge of the annular groove to the outer edge of the suction cup body 1, which improves the stability of the bottom of the suction cup body 1 and the bottom of the airflow plate 8 on the smooth surface.

[0028] Working principle:

[0029] When using the utility model, the gas supply pipe 2 is inserted into the supply hole 6 in the middle of the top of the suction cup body 1 from top to bottom, and then the mounting rod 3 is also inserted into the mounting hole 5 at the top edge of the suction cup body 1 from top to bottom, and after installation is completed, it can be used, the gas supply pipe 2 injects air into the inside of the suction cup body 1, and then the gas is discharged from the exhaust hole 4, at this time the air at the bottom of the suction cup body 1 is synchronously discharged outward by the exhaust hole 4 through the communication groove 7, and the gap between the bottom of the airflow plate 8 and the workpiece produces a vacuum field to the outward peripheral direction of the central part, thereby achieving a non-contact working suction force, and the surface of the workpiece is sucked without contact, and the anti-skid ring 9 at the bottom of the suction cup body 1 increases the friction force of the surface of the workpiece, and the stability of the bottom of the suction cup body 1 and the bottom of the airflow plate 8 on the smooth surface is improved to a certain extent.

[0030] Finally, it should be pointed out that: the above is only a preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A non-contact vacuum chuck device comprising a chuck body (1), characterized in that: The inside upper middle of the suction cup body (1) is provided with a supply hole (6), the inner wall of the supply hole (6) in the inside upper middle of the suction cup body (1) is fixedly connected with a gas conveying pipe (2), the inside upper edge of the suction cup body (1) is provided with a mounting hole (5), the inner wall of the mounting hole (5) of the inside upper edge of the suction cup body (1) is fixedly connected with a mounting rod (3), the inside front side of the suction cup body (1) is provided with an exhaust hole (4), the inner wall of the exhaust hole (4) of the inside front side of the suction cup body (1) is provided with a communication groove (7) in the lower middle, the bottom of the suction cup body (1) is fixedly connected with an airflow plate (8), and the bottom edge of the suction cup body (1) is fixedly connected with an anti-skid ring (9).

2. A non-contact vacuum chuck apparatus as claimed in claim 1, wherein: The number of the mounting hole (5) is four, and the mounting hole (5) is distributed in the upper, lower, left and right four directions of the inside upper of the suction cup body (1), and the cross-sectional diameter of the mounting hole (5) matches the cross-sectional diameter of the mounting rod (3).

3. A non-contact vacuum chuck apparatus as claimed in claim 1, wherein: The cross-sectional diameter of the gas conveying pipe (2) matches the cross-sectional diameter of the supply hole (6), and the supply hole (6) in the inside upper of the suction cup body (1) and the exhaust hole (4) in the inside front side of the suction cup body (1) are in intercommunication state.

4. A non-contact vacuum chuck apparatus as claimed in claim 1, wherein: The bottom of the suction cup body (1) is provided with an annular groove, and the airflow plate (8) is in the annular groove provided in the bottom of the suction cup body (1), and the exhaust hole (4) and the annular groove provided in the bottom of the suction cup body (1) are communicated through the communication groove (7).

5. A non-contact vacuum chuck apparatus as claimed in claim 1, wherein: The longitudinal section shape of the airflow plate (8) is trapezoidal, and the overall shape of the airflow plate (8) is circular plate, and the inclined surface at the edge of the airflow plate (8) is perpendicular to the communication groove (7) provided below the inner wall of the exhaust hole (4).

6. A non-contact vacuum chuck apparatus as described in claim 1, wherein: The bottom of the airflow plate (8) is provided with a convex circular plate, and the bottom of the circular plate is parallel to the bottom of the anti-skid ring (9) fixed at the bottom edge of the suction cup body (1).

7. A non-contact vacuum chuck apparatus as described in claim 1, wherein: The anti-skid ring (9) is located outside the annular groove provided in the bottom of the suction cup body (1), and the wall width of the anti-skid ring (9) is consistent with the distance from the outer edge of the annular groove to the outer edge of the suction cup body (1).

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