JPH0627086U - Robot suction pad - Google Patents

Abstract

(57) [Summary] [PROBLEMS] The present invention provides a suction pad for a robot capable of transporting a transport object having uneven portions such as uneven portions and fine irregularities on the suction surface. A vacuum pump is connected to an upper portion of a pad body 5 via a hose 6, and a pad member 7 is attached to a lower portion of the pad body 5 in the suction pad 4. further,
A flexible member 11 having a restoring force at the opening of the pad member 7
Are glued together. In the suction pad of the robot configured as described above, even if there is a stepped portion on the surface of the conveyed object, the flexible member 11 is deformed so as to close the gap, so that air does not leak from this gap and the suction surface Even if it is not flat, it can be adsorbed and transported.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a suction pad for a robot that can pick up a conveyed object having uneven surfaces or uneven steps.

[0002]

[Prior art]

 Generally, in a robot, as shown in FIG. 3, a pedestal 3 is provided on an operating arm 1 via a connecting portion 2, a large number of suction pads 4 are attached to an arm 3a provided on the pedestal 3, and as shown in FIG. As described above, in these suction pads 4, a vacuum pump (not shown) is connected to the pad body 5 via the hose 6, and the elastic pad member 7 is attached to the lower portion of the pad body 5.

[0003]

[Problems to be solved by the device]

 The robot configured in this way can pick up and convey a conveyed object that has a flat surface without unevenness or unevenness. However, as shown in FIG. If there is 9, the pad member 7 is not deformed in conformity with the stepped portion 9, and a gap 10 is formed between the stepped portion 9 and the pad member 7. Air leaks from this gap 10 and the transported object is a suction pad. There was a problem that it could not be conveyed because it could not be adsorbed.

Further, even if there are fine irregularities on the surface of the conveyed product, there is a problem that the irregularities similarly cause a gap, and air leaks from the gap, so that the conveyed product cannot be conveyed.

[0005]

[Means for Solving the Problems]

 According to the present invention, a flexible member having a restoring force is adhered to the periphery of a pad member in one or a plurality of suction pads attached to an arm connected to an operating arm of a robot body.

[0006]

[Action]

 According to the present invention, when there is a step on the surface of the conveyed product, when the vacuum pump operates and the suction pad comes into contact with the surface of the conveyed product, the volume of the flexible member is reduced by sucking air, and By deforming the stepped portion so as to fill the gap, the gap between the stepped portion and the flexible member is filled, air leakage can be prevented, and the conveyed object can be conveyed.

Even when the surface of the conveyed product has fine irregularities, the flexible member of the suction pad is deformed according to the fine irregularities of the surface of the conveyed product, and thus the gap is closed, so that the conveyed product should be conveyed. You can

[0008]

【Example】

 FIG. 1 is a sectional view of a suction pad according to an embodiment of the present invention, in which 4 is a suction pad, 5 is a pad main body, 6 is a hose, and 7 is a pad member. Although the description is omitted here, the flexible member 11 having a restoring force is bonded to the lower portion of the pad member 7 in the present embodiment.

In the suction pad of the present embodiment configured as described above, even if the transported article 8 is provided with the stepped portion 9, the volume of the flexible member 11 is reduced in the flat portion 8a of the transported article 8. Since the flexible member 11 is deformed in the step difference portion 9 so as to close the gap, air leakage is eliminated and the conveyed object 8 can be conveyed.

Further, even if the surface of the conveyed product 8 has fine irregularities, the flexible member 11 is similarly deformed so as to close the gaps between the concavities and convexities. It can be transported without air leakage.

As the flexible member 11, foamed rubber, urethane foam, or foamed vinyl chloride is suitable, but it has a large shrinkage property, does not let air pass through, has a large restoring force, and has a wear resistance. Any member can be used, regardless of these members.

[0012]

[Effect of device]

 As described above, in the suction pad of the robot of the present invention, since a flexible member having a restoring force is bonded to the opening of the pad member mounted on the pad body, the surface of the conveyed product is not flat and uneven portions or unevenness are formed. Even a conveyed product in which is formed has an advantage that it can be conveyed without air leakage.

[Brief description of drawings]

FIG. 1 is a sectional view of a suction pad of a robot according to an embodiment of the present invention.

FIG. 2 is a diagram showing a state where the suction pad of FIG. 1 sucks a conveyed product having a stepped portion.

FIG. 3 is a front view of a conventional robot.

FIG. 4 is a side view of the suction pad of FIG.

5 is a side view showing a usage state of the suction pad of FIG. 3. FIG.

[Explanation of symbols]

 1 Working Arm 2 Connecting Part 3 Pedestal 3a Arm 4 Adsorption Pad 5 Pad Body 6 Hose 7 Pad Member 11 Flexible Member

Claims (2)

[Scope of utility model registration request] 1. A suction device for a robot, characterized in that, in one or a plurality of suction pads mounted on an arm connected to an operating arm of a robot body, a flexible member having a restoring force is adhered around the pad member. pad. 2. The flexible member is made of foamed rubber, foamed urethane, or foamed vinyl chloride.
The robot suction pad described.