Engine helium gas tightness detection paw

Abstract

The utility model relates to the technical field of automobile part processing, in particular to an engine helium gas tightness detection gripper, which comprises a cross beam, and a first detection device, a second detection device and a third detection device which are arranged on the cross beam, the first detection device comprises an air cylinder, and a first air suction head fixing seat and a second air suction head fixing seat which are connected with the air cylinder; a first air suction head is arranged on the first air suction head fixing seat; the second air suction head fixing seat is located on one side of the first air suction head fixing seat, and a second air suction head is arranged on the second air suction head fixing seat; the second detection device comprises a third air suction head fixing seat, and a third air suction head is arranged on the third air suction head fixing seat; the third detection device comprises a fourth air suction head fixing seat, and a fourth air suction head is arranged on the fourth air suction head fixing seat. The utility model aims to provide an engine helium gas tightness detection gripper which solves the problems of low helium gas tightness detection automation degree and low production efficiency in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts processing, in particular to a helium air tightness detection gripper for an engine. Background Art

[0002] At present, automobile engine manufacturers need to conduct a leak test on the connection parts of the fuel system after assembling the fuel system. In the current production process, helium is manually filled into the fuel system, and each helium inspection suction head is manually fixed to the inspection point before starting the helium inspection. After the inspection is completed, each suction head is manually removed and the workpiece is released to the subsequent process. During the manual operation, in order to facilitate the fixing of the helium inspection suction head, the engine needs to be rotated, and after the inspection is completed, the engine needs to be rotated back to its original position.

[0003] Currently, this process has the following problems: manual helium air tightness testing requires manual fixation of each suction head to the testing point, which requires more actions, takes up more cycles, is labor-intensive, and has low efficiency.

[0004] At the same time, due to the rise of the concept of Industry 4.0, the requirements for automation of production lines in the automotive industry are getting higher and higher. It is necessary to develop a system to optimize and improve the above process flow and improve production efficiency and automation level. Summary of the invention

[0005] In order to overcome the above-mentioned deficiencies, the purpose of the utility model is to provide an engine helium air tightness detection gripper to solve the problems of low automation and low production efficiency of helium air tightness detection in the prior art.

[0006] The technical solution of the utility model is an engine helium air tightness detection gripper, comprising a crossbeam, a first detection device, a second detection device, and a third detection device installed on the crossbeam; the first detection device comprises a cylinder, a first suction head fixing seat connected to the cylinder, and a second suction head fixing seat; the first suction head fixing seat is provided with a first suction head; the second suction head fixing seat is located at one side of the first suction head fixing seat, and the second suction head fixing seat is provided with a second suction head; the second detection device comprises a third suction head fixing seat, and the third suction head fixing seat is provided with a third suction head; the third detection device comprises a fourth suction head fixing seat, and the fourth suction head fixing seat is provided with a fourth suction head.

[0007] Furthermore, in order to facilitate operation, a quick-change device is provided on the upper portion of the crossbeam, and a wireless coupling bracket is provided on one side of the quick-change device.

[0008] Furthermore, the first detection device is fixed to one end of the beam through a cylinder; the second detection device is fixed to the middle section of the beam; and the third detection device is fixed to the other end of the beam.

[0009] Furthermore, the first suction head fixing seat, the second suction head fixing seat, the third suction head fixing seat, and the fourth suction head fixing seat are all provided with air holes, and pipe joints connected to the air holes are also respectively provided on the first suction head fixing seat, the second suction head fixing seat, the third suction head fixing seat, and the fourth suction head fixing seat.

[0010] Furthermore, the first suction head provided on the first suction head fixing seat, the second suction head provided on the second suction head fixing seat, the third suction head provided on the third suction head fixing seat, and the fourth suction head provided on the fourth suction head fixing seat are all connected to the air hole.

[0011] Furthermore, the second suction head fixing seat, the third suction head fixing seat, and the fourth suction head fixing seat are provided with detection switches; the fourth suction head fixing seat is also provided with a gripper support assembly; the gripper support assembly includes a connecting plate and a support rod installed on the connecting plate.

[0012] The beneficial effect of the utility model lies in that an engine helium air tightness detection gripper is used for helium air tightness detection of a fuel system, the detection gripper is fixed to a robot through a quick-change device, a plurality of detection devices are fixed on a crossbeam, the detection device mainly consists of an air suction head fixing seat and an air suction head, wherein a hole for ventilation is provided in the middle of the air suction head fixing seat, one end of the hole is connected with the air suction head, and the other end is connected with a helium detector through a pipe joint, during detection, the engine assembly is first transported to the corresponding detection position through a roller conveyor, and then the robot drives the gripper close to the engine detection point, when the detection switch is triggered, the cylinder on the first detection device extends to drive the air suction head installed on the cylinder close to the detection point and seal it tightly, the second detection device and the third detection device directly correspond to the detection point, and the corresponding sealing detection point is detected through the air suction head, and then the helium detector is automatically turned on for detection, after the detection is completed, the detection gripper is reset, and the engine is transferred to the next process according to the detection result. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] For ease of explanation, the present invention is described in detail with reference to the following preferred embodiments and accompanying drawings.

[0014] Figure 1 This is a schematic diagram of the front three-dimensional structure of an engine helium air tightness detection gripper of the utility model;

[0015] Figure 2 It is a side view stereoscopic structural diagram of an engine helium air tightness detection gripper of the utility model;

[0016] Figure 3 This is a schematic diagram of the engine helium air tightness detection claw detection process of the utility model Figure 1 ;

[0017] Figure 4 This is a schematic diagram of the engine helium air tightness detection claw detection process of the utility model Figure 2 .

[0018] Figure markings: crossbeam 1, first detection device 2, second detection device 3, third detection device 4, cylinder 21, first suction head fixing seat 22, second suction head fixing seat 23, first suction head 24, second suction head 25, third suction head fixing seat 31, third suction head 32, fourth suction head fixing seat 41, fourth suction head 42, quick change device 11, wireless coupling bracket 12, air hole 6, pipe joint 7, detection switch 8, gripper support assembly 9, connecting plate 91, support rod 92. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0021] The following is a further description of the engine helium air tightness detection gripper described in the utility model with reference to the accompanying drawings:

[0022] like Figure 1-4The engine helium air tightness detection gripper shown includes a crossbeam 1, a first detection device 2, a second detection device 3, and a third detection device 4 installed on the crossbeam 1, wherein the first detection device 2 is fixed to one end of the crossbeam 1 through a cylinder 21; the second detection device 3 is fixed to the middle section of the crossbeam 1; the third detection device 4 is fixed to the other end of the crossbeam 1, and is distributed according to actual detection needs to achieve rapid detection; the first detection device 2 includes a cylinder 21, a first suction head fixing seat 22 and a second suction head fixing seat 23 connected to the cylinder 21; a first suction head 24 is provided on the first suction head fixing seat 22; the second suction head fixing seat 23 is located on one side of the first suction head fixing seat 22, and a second suction head 25 is provided on the second suction head fixing seat 23; the second detection device 3 includes a third suction head fixing seat 31, and a third suction head 32 is provided on the third suction head fixing seat 31; the third detection device 4 includes a fourth suction head fixing seat 41, and a fourth suction head 42 is provided on the fourth suction head fixing seat 41.

[0023] In this embodiment, a quick-change device 11 is provided on the upper part of the crossbeam 1, which can be better connected to the robot for detecting the position and is convenient for disassembly and installation. A wireless coupling bracket 12 is provided on one side of the quick-change device 11 for connecting related equipment.

[0024] In this embodiment, there are four detection points on the engine, namely detection point one, detection point two, detection point three and detection point four; the first detection mechanism on the gripper corresponds to detection point one and detection point two on the engine, the second detection mechanism corresponds to detection point three on the engine, and the third detection mechanism corresponds to detection point four on the engine. The first air suction head fixing seat 22, the second air suction head fixing seat 23, the third air suction head fixing seat 31 and the fourth air suction head fixing seat 41 are all provided with air holes 6, and at the same time, the first air suction head fixing seat 22, the second air suction head fixing seat 23, the third air suction head fixing seat 31 and the fourth air suction head fixing seat 41 are also respectively provided with pipe joints 7 connected to the air holes 6, and then the first air suction head fixing seat 22 is provided with a first air suction head 24, and the first air suction head 24 corresponds to detection point one; the second air suction head fixing seat 23 is provided with a second air suction head 25, and the second air suction head 25 corresponds to detection point two; the third The third suction head 32 is provided on the suction head fixing seat 31, and the third suction head 32 corresponds to detection point three; the fourth suction head 42 is provided on the fourth suction head fixing seat 41, and the fourth suction head 42 corresponds to detection point four. The pipe joints 7 located on the first suction head fixing seat 22, the second suction head fixing seat 23, the third suction head fixing seat 31, and the fourth suction head fixing seat 41 are respectively connected with the first suction head 24, the second suction head 25, the third suction head 32, and the fourth suction head 42 through the air holes. During use, the connection between each pipe joint and the corresponding suction head is convenient for helium air tightness detection.

[0025] In this embodiment, a detection switch 8 is provided on the second suction head fixing seat 23, the third suction head fixing seat 31, and the fourth suction head fixing seat 41; a gripper support assembly 9 is also provided on the fourth suction head fixing seat 41; the gripper support assembly 9 includes a connecting plate 91 and a support rod 92 installed on the connecting plate 91.

[0026] The utility model discloses an engine helium air tightness detection gripper, which is used for helium air tightness detection of a fuel system. The detection gripper is fixed to a robot through a quick-change device, and a plurality of detection devices are fixed on a crossbeam. The detection device is mainly composed of an air suction head fixing seat and an air suction head, wherein a hole for ventilation is provided in the middle of the air suction head fixing seat, one end of the hole is connected with the air suction head, and the other end is connected with a helium detector through a pipe joint. During detection, the engine assembly is first transported to a corresponding detection position through a roller conveyor, and then the robot drives the gripper close to the engine detection point. When the detection switch is triggered, the cylinder on the first detection device extends to drive the air suction head installed on the cylinder close to the detection point and seal it tightly. The second detection device and the third detection device directly correspond to the detection point, and the corresponding sealing detection point is detected through the air suction head. Then the helium detector is automatically turned on for detection. After the detection is completed, the detection gripper is reset, and the engine is transferred to the next process according to the detection result.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An engine helium air tightness detection gripper, characterized in that: It includes a crossbeam, a first detection device installed on the crossbeam, a second detection device, and a third detection device; the first detection device includes a cylinder, a first suction head fixing seat connected to the cylinder, and a second suction head fixing seat; the first suction head fixing seat is provided with a first suction head; the second suction head fixing seat is located on one side of the first suction head fixing seat, and the second suction head fixing seat is provided with a second suction head; the second detection device includes a third suction head fixing seat, and the third suction head fixing seat is provided with a third suction head; the third detection device includes a fourth suction head fixing seat, and the fourth suction head fixing seat is provided with a fourth suction head.

2. The engine helium air tightness detection gripper according to claim 1, characterized in that: A quick-change device is provided on the upper part of the crossbeam, and a wireless coupling bracket is provided on one side of the quick-change device.

3. The engine helium air tightness detection gripper according to claim 1, characterized in that: The first detection device is fixed to one end of the beam through a cylinder; the second detection device is fixed to the middle section of the beam; and the third detection device is fixed to the other end of the beam.

4. The engine helium air tightness detection gripper according to claim 1, characterized in that: The first suction head fixing seat, the second suction head fixing seat, the third suction head fixing seat and the fourth suction head fixing seat are all provided with air holes, and at the same time, the first suction head fixing seat, the second suction head fixing seat, the third suction head fixing seat and the fourth suction head fixing seat are also respectively provided with pipe joints connected to the air holes.

5. The engine helium air tightness detection gripper according to claim 4, characterized in that: The first suction head provided on the first suction head fixing seat, the second suction head provided on the second suction head fixing seat, the third suction head provided on the third suction head fixing seat, and the fourth suction head provided on the fourth suction head fixing seat are all connected to the air hole.

6. The engine helium air tightness detection gripper according to claim 1, characterized in that: The second suction head fixing seat, the third suction head fixing seat, and the fourth suction head fixing seat are provided with detection switches; the fourth suction head fixing seat is also provided with a gripper support assembly; the gripper support assembly includes a connecting plate and a support rod installed on the connecting plate.

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