CN220165185U

CN220165185U - Vacuum grabbing device

Info

Publication number: CN220165185U
Application number: CN202321944370.1U
Authority: CN
Inventors: 黄凡; 张波; 杨阳; 蒋宇; 程时飞; 李昌义; 李兵; 聂正彪; 祁灿; 胡丹
Original assignee: Dongshi Wuhan Industrial Co ltd
Current assignee: Dongshi Wuhan Industrial Co ltd
Priority date: 2023-07-21
Filing date: 2023-07-21
Publication date: 2023-12-12
Anticipated expiration: 2033-07-21

Abstract

The utility model relates to a vacuum grabbing device which comprises a vacuum generator, an air source, an air pipe, a valve and a vacuum degree detection assembly, wherein the vacuum generator is provided with an air inlet, an air outlet and a vacuum suction inlet, the air source is communicated with the air inlet through a first air pipe, the first valve is arranged on the first air pipe, one end of a second air pipe is communicated with the vacuum suction inlet, the other end of the second air pipe is used for sucking a workpiece, the air source is also communicated with the second air pipe through a third air pipe, the second valve is arranged on the third air pipe, the vacuum degree detection assembly comprises a detection end and a display end which are connected through signals, and the detection end is connected with the second air pipe and used for detecting the vacuum degree in the second air pipe and conveying a detection result to the display end. Compared with the prior art, the vacuum material grabbing device provided by the utility model can detect whether the vacuum material grabbing device can generate a required vacuum state or not, and can detect whether the vacuum state can be timely eliminated, so that faults of material sucking action or discharging action can be timely found before production.

Description

Vacuum grabbing device

Technical Field

The utility model relates to the technical field of automobiles, in particular to a vacuum grabbing device.

Background

In the manufacturing process of automobile parts, the production of robots is indispensable to cold stamping automation lines and welding four-door two-cover production lines in the automobile industry, the material grabbing vacuum chuck is the only material grabbing and stabilizing tool in the current production process, and the air suction and air blowing of the vacuum chuck are derived from a vacuum generator.

The working principle of the vacuum generator is as follows: compressed air generated by the air source enters the vacuum generator through the air inlet and is sprayed out from the air outlet of the vacuum generator, negative pressure is formed in the vacuum generator by the flow of the compressed air, and suction force is generated at the vacuum suction inlet, so that a workpiece is sucked.

The precondition that the mechanical arm can carry parts efficiently is that the vacuum chuck can accurately generate and eliminate vacuum states according to production requirements. An existing detection device such as CN211740522U is an end effector vacuum detection device, which can only detect whether the vacuum material grabbing device can generate a required vacuum state, but cannot detect whether the vacuum material grabbing device can timely eliminate the vacuum state, so that the vacuum material grabbing device grabs a workpiece during production, but cannot timely put down the workpiece.

Disclosure of Invention

In view of the foregoing, it is necessary to provide a vacuum material grabbing device to solve the technical problem that in the prior art, whether the vacuum material grabbing device can timely eliminate the vacuum state cannot be detected, so that the vacuum material grabbing device grabs a workpiece during production, but the workpiece cannot be put down timely.

The utility model provides a vacuum grabbing device, which comprises: the vacuum degree detection assembly comprises a detection end and a display end which are connected through signals, wherein the detection end is connected with the second air pipe and used for detecting the vacuum degree in the second air pipe, and the detection end is conveyed to the display end.

Further, the detection end is a vacuum degree detector, the detection end comprises a PLC controller, an air suction result output unit and an air blowing result output unit, the air suction result output unit and the air blowing result output unit are respectively and electrically connected with the PLC controller, and the PLC controller can respectively control the air suction result output unit and the air blowing result output unit to output an air suction detection result and an air blowing detection result.

Further, the air suction result output unit and the air blowing result output unit are lamp beads.

Further, the first valve and the second valve are both electric control valves.

Further, the air conditioner further comprises a silencer, and the silencer is communicated with the air outlet.

Further, the vacuum generator further comprises a material grabbing sucker, and the material grabbing sucker is connected with one end, far away from the vacuum generator, of the second air pipe.

Further, the second air pipe is detachably connected with the vacuum suction inlet.

Further, the air filter is arranged on the first air pipe and is closer to the air source than the first valve.

Further, the third air pipe is communicated with the first air pipe between the filter and the first valve.

Further, the air filter further comprises an air pressure gauge arranged on the first air pipe, and the air pressure gauge is positioned between the filter and the first valve.

Compared with the prior art, the vacuum material grabbing device provided by the utility model can generate the effect of air suction or air blowing by controlling the opening and closing of the two valves, and the vacuum degree during air suction and air blowing is detected by the vacuum degree detecting component, so that whether the vacuum material grabbing device can generate a required vacuum state or not can be detected, and whether the vacuum state can be timely eliminated can be detected, and the faults of the material suction action or the material discharging action can be timely found before production.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and its details set forth in the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of a vacuum grabbing device according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a display end of the vacuum degree detecting assembly.

Detailed Description

The following detailed description of preferred embodiments of the utility model is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the utility model, are used to explain the principles of the utility model and are not intended to limit the scope of the utility model.

Referring to fig. 1, the present utility model provides a vacuum grabbing device. The vacuum grabbing device can be applied to automobile production or other production lines. And before production, whether vacuum state can be timely and accurately generated and eliminated is detected, faults are timely found, and production is prevented from being influenced.

The vacuum grabbing device comprises a vacuum generator 1, an air source 2, a plurality of air pipes, a plurality of valves and a vacuum degree detection assembly 3. Wherein the vacuum generator 1 is provided with an air inlet, an air outlet and a vacuum suction inlet, the air source 2 is communicated with the air inlet through a first air pipe 41, and a first valve 51 is arranged on the first air pipe 41. One end of the second air pipe 42 is communicated with the vacuum suction inlet, and the other end is used for sucking the workpiece. The air source is also communicated with the second air pipe 42 through a third air pipe 43, and a second valve 52 is arranged on the third air pipe 43. The vacuum degree detection assembly 3 comprises a detection end and a display end which are connected through signals, wherein the detection end is connected with the second air pipe 42 and is used for detecting the vacuum degree in the second air pipe 42 and conveying the detection result to the display end.

When the workpiece is sucked by suction, the first valve 51 is opened, the second valve 52 is closed, compressed air generated by the air source 2 enters the vacuum generator 1 through the air inlet and is sprayed out from the air outlet of the vacuum generator 1, the flow of the compressed air forms negative pressure in the vacuum generator 1, and suction is generated at the vacuum suction inlet, so that the workpiece is sucked through the second air pipe 42.

When the workpiece is released by blowing, the first valve 51 is closed, the second valve 52 is opened, compressed air generated by the air source enters the second air pipe 42 through the third air pipe 43, positive pressure is generated in the second air pipe 42, and the adsorption force of the second air pipe 42 for sucking the workpiece is eliminated.

The vacuum material grabbing device provided by the utility model can generate the effect of air suction or air blowing by controlling the opening and closing of the two valves, and the vacuum degree during air suction and air blowing is detected by the vacuum degree detecting component 3, so that whether the vacuum material grabbing device can generate a required vacuum state or not can be detected, and whether the vacuum state can be timely eliminated can be detected, and therefore, the faults of the material suction action or the material discharge action can be timely found before production, and the production is not influenced.

In some embodiments, the detecting end is a vacuum degree detector, and the detecting end can detect the air pressure of the environment and send a pulse signal to the detecting end. The detection end comprises a PLC controller, an air suction result output unit and an air blowing result output unit, wherein the air suction result output unit and the air blowing result output unit are respectively and electrically connected with the PLC controller, and the PLC controller converts the pulse signals into signals which can be identified by the air suction result output unit or the air blowing result output unit after receiving the pulse signals. The inhalation result output unit and the blowing result output unit may be controlled to output an inhalation detection result and a blowing detection result, respectively.

As in some embodiments, the inhalation and insufflation result output units comprise light bulbs and electronically controlled switches. And the PLC controls the corresponding electric control switch to be closed or opened according to the received pulse signal, so that the lamp beads are lightened or extinguished. For example, when the vacuum degree is qualified during the inspiration detection, the electric control switch correspondingly controlling the inspiration result output unit is closed, so that the lamp bead of the inspiration result output unit is lightened. When the vacuum degree is unqualified, the electric control switch of the air suction result output unit is controlled to be kept off, so that the lamp beads of the air suction result output unit are kept in an off state. The same applies to the blowing detection.

Referring to fig. 2, in some embodiments, the display end further includes a knob for switching the inhalation detection and the insufflation detection. Correspondingly, the first valve 51 and the second valve 52 are electrically controlled valves, and when the knob is turned to the inspiration detection, the first valve 51 is opened, and the second valve 52 is closed. When the knob is turned to blow detection, the first valve 51 is closed and the second valve 52 is opened.

In some embodiments, a muffler 6 is also preferably provided at the air outlet to reduce noise and noise pollution when the air flow is flushed out of the air outlet.

In some embodiments, a material grabbing sucker 7 is connected to the end of the second air pipe 42 away from the vacuum generator, and the material grabbing sucker 7 can grab the workpiece better. Preferably, the second air pipe 42 is detachably connected with the vacuum suction inlet, so that different grabbing suckers 7 can be conveniently replaced to adapt to different workpieces.

In some embodiments, a filter 8 is further provided on the first gas pipe 41, and the filter 8 is closer to the gas source 2 than the first valve 51, and is used for filtering the compressed gas ejected from the gas source 2, so as to protect the vacuum generator 1.

Preferably, the third air duct 43 communicates with the first air duct 41 between the filter 8 and the first valve 51. The first air pipe is also provided with a barometer 9, and the barometer 9 is positioned between the filter 8 and the first valve 51. For detecting the pressure of the compressed gas emitted from the gas source 2 so that the operator can control it within a proper range.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.

Claims

1. A vacuum gripping device, comprising: the vacuum generator is provided with an air inlet, an air outlet and a vacuum suction inlet, the air source is communicated with the air inlet through a first air pipe, a first valve is arranged on the first air pipe, one end of a second air pipe is communicated with the vacuum suction inlet, the other end of the second air pipe is used for sucking a workpiece, the air source is further communicated with the second air pipe through a third air pipe, a second valve is arranged on the third air pipe, the vacuum detection assembly comprises a detection end and a display end which are connected through signals, the detection end is connected with the second air pipe and used for detecting the vacuum degree in the second air pipe, and the detection result is conveyed to the display end.

2. The vacuum grabbing device according to claim 1, wherein the detection end is a vacuum degree detector, the detection end comprises a PLC controller, an air suction result output unit and an air blowing result output unit, the air suction result output unit and the air blowing result output unit are respectively and electrically connected with the PLC controller, and the PLC controller can respectively control the air suction result output unit and the air blowing result output unit to output an air suction detection result and an air blowing detection result.

3. The vacuum gripping apparatus according to claim 2, wherein the suction result output unit and the blowing result output unit are lamp beads.

4. The vacuum gripping apparatus of claim 2, wherein the first valve and the second valve are both electronically controlled valves.

5. The vacuum gripping device of claim 1, further comprising a muffler in communication with the air outlet.

6. The vacuum gripping apparatus of claim 1, further comprising a gripping suction cup connected to an end of the second air tube remote from the vacuum generator.

7. The vacuum gripping apparatus of claim 6, wherein the second air tube is removably connected to the vacuum suction port.

8. The vacuum gripping apparatus of claim 1, further comprising a filter disposed on the first air tube closer to the air source than the first valve.

9. The vacuum gripping apparatus of claim 8, wherein the third air tube communicates with the first air tube between the filter and the first valve.

10. The vacuum gripping apparatus of claim 8, further comprising a barometer disposed on the first air tube, the barometer being located between the filter and the first valve.