Online air tightness testing device of automatic assembly line

Abstract

The utility model discloses an on-line air tightness testing device of an automatic assembly line, which comprises a supporting frame, a fixing frame arranged on the top side of the supporting frame, an upper jig connected to the bottom of the fixing frame in a sliding manner, a feeding manipulator arranged on one side of the supporting frame, a discharging conveying assembly arranged on the bottom side of the supporting frame, an opening formed in the supporting frame, and a clamping mechanism arranged on the opening, grooves are formed in the two ends of the opening correspondingly, and lower jig assemblies are slidably connected into the grooves. The discharging conveying assembly comprises a shell located on the inner side of an opening of the supporting frame, a conveying belt is rotationally connected to the inner side of the shell, a support is arranged on the bottom side of the supporting frame, a third hydraulic cylinder is arranged at one end of the support, and one end of the third hydraulic cylinder is connected with the bottom of the shell. The lower jig assembly comprises a lower jig body located at the bottom of the upper jig, an opening is formed in the bottom of the lower jig body, and a bottom plate is rotationally connected to the inner side of the opening. The device can realize automatic feeding and discharging of the to-be-detected workpiece in the use process, so that the production efficiency of the to-be-detected workpiece is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air tightness testing, in particular to an online air tightness testing device for an automated assembly line. Background Art

[0002] An air-tightness test refers to a type of tightness test that uses gas as the pressurized medium to prevent pressure vessels from leaking. This test is required for pressure vessels that contain extremely toxic or highly hazardous media or that are designed not to allow even a small amount of leakage. The air-tightness test can only be carried out after the hydraulic test has been passed.

[0003] At present, workpieces need to undergo air tightness testing during the production process. However, air tightness testing machines usually require workers to manually load and unload materials during use, and cannot be used in conjunction with automated assembly lines, resulting in a decrease in the overall production efficiency of the workpieces. Therefore, improvements are needed. Utility Model Content

[0004] The utility model aims to provide an online air tightness testing device for an automated assembly line, so as to solve the problem that the air tightness testing machine proposed in the above background technology needs manual loading and unloading.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an online air tightness test device for an automated assembly line, comprising a support frame, a fixed frame is arranged on the top side of the support frame, an upper fixture is slidably connected to the bottom of the fixed frame, a loading manipulator is arranged on one side of the support frame, a discharging conveying assembly is arranged on the bottom side of the support frame, an opening is opened on the support frame, grooves are arranged at both ends of the opening, and a lower fixture assembly is slidably connected inside the groove;

[0006] The material discharging conveying assembly includes a shell located inside the opening of the support frame, a conveying belt is rotatably connected inside the shell, a bracket is arranged at the bottom of the support frame, a third hydraulic cylinder is arranged at one end of the bracket, and one end of the third hydraulic cylinder is connected to the bottom of the shell;

[0007] The lower fixture assembly includes a lower fixture body located at the bottom of the upper fixture, an opening is opened at the bottom of the lower fixture body, a bottom plate is rotatably connected to the inner side of the opening, a rotating motor is fixedly connected to one end of the lower fixture body, and one end of the rotating motor shaft is connected to the shaft at one end of the bottom plate.

[0008] Preferably, one end of the support frame is fixedly connected to a second hydraulic cylinder, and one end of the second hydraulic cylinder is connected to one end of the lower fixture of the lower fixture assembly.

[0009] Preferably, one side of the lower control is connected to an exhaust pipe, and a solenoid valve and a pressure sensor are provided on the exhaust pipe.

[0010] Preferably, a second sealing ring is arranged on the top of the bottom plate, a workpiece to be detected is arranged on the bottom plate, and the air hole of the workpiece to be detected corresponds to the position of the connecting pipe.

[0011] Preferably, one end of the housing is fixedly connected to a driving motor, and the shaft of the driving motor is connected to the shaft at one end of the conveying belt through a belt.

[0012] Preferably, an air pump is fixedly connected to the top of the upper jig, and a connecting pipe is connected to the inflation port of the air pump, and one end of the connecting pipe passes through the upper jig and is located inside the upper jig.

[0013] Preferably, a first hydraulic cylinder is fixedly connected to the top of the fixing frame, one end of the first hydraulic cylinder is connected to the top of the upper fixture, and a first sealing ring is provided on the inner side of the upper fixture.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] (1) During use, the device can realize automatic loading and unloading of the workpiece to be inspected, thereby improving the production efficiency of the workpiece to be inspected.

[0016] (2) The device is provided with a loading robot on one side of the support frame for automatically loading the workpiece to be inspected, and a discharging conveying assembly is provided on the bottom side of the support frame. At the same time, an openable bottom plate is provided at the bottom of the support frame. After the bottom plate is opened, the workpiece to be inspected on the bottom plate can fall onto the conveyor belt for automatic output, thereby realizing automatic loading and unloading, being suitable for automated assembly lines, and improving production efficiency.

[0017] (3) This device can adjust the height of the conveyor belt by arranging an automatically lifting conveyor belt at the bottom of the support frame, so that the conveyor belt can be at a suitable height to transport the workpiece to be inspected. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of an online air tightness testing device for an automated assembly line of the utility model;

[0019] Figure 2 This is a left view of a support frame of an online air tightness test device for an automated assembly line of the utility model;

[0020] Figure 3 This is a cross-sectional view of a support frame of an online air tightness testing device for an automated assembly line of the utility model;

[0021] Figure 4 This is a bottom view of an upper fixture of an online air tightness testing device for an automated assembly line of the utility model;

[0022] Figure 5It is a top view of the connection between the lower part of an online air tightness test device of an automated assembly line and a workpiece to be tested;

[0023] Figure 6 The utility model is a top view of the connection between the lower handle and the base plate of an online air tightness testing device of an automated assembly line.

[0024] In the figure: 1. first hydraulic cylinder; 2. fixed frame; 3. discharge conveying assembly; 31. driving motor; 32. conveying belt; 33. bracket; 34. third hydraulic cylinder; 35. housing; 4. supporting frame; 5. loading robot; 6. upper fixture; 7. second hydraulic cylinder; 8. lower fixture assembly; 81. lower fixture body; 82. second sealing ring; 83. exhaust pipe; 84. rotating motor; 85. solenoid valve; 86. pressure sensor; 87. bottom plate; 9. air pump; 10. connecting pipe; 11. first sealing ring; 12. workpiece to be detected. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-6The utility model provides a technical solution: an online air tightness testing device for an automated assembly line, comprising a support frame 4, a fixed frame 2 is arranged on the top side of the support frame 4, one end of the support frame 4 is fixedly connected to a second hydraulic cylinder 7, one end of the second hydraulic cylinder 7 is connected to one end of a lower handle body 81 of a lower fixture assembly 8; this structure can push the lower handle body 81 to slide inside the support frame 4 through the second hydraulic cylinder 7, so that the position of the lower handle body 81 can be adjusted, and the lower handle body 81 can also be completely retracted into the support frame 4, so as to expose the top of the conveyor belt 32 for cleaning and other work; the bottom of the fixed frame 2 is slidably connected to an upper fixture 6, the top of the upper fixture 6 is fixedly connected to an air pump 9, the air pump 9 is connected to a connecting pipe 10 at the air inlet, and the connecting pipe 10 is One end passes through the upper jig 6 and is located inside the upper jig 6; this structure can inflate the workpiece 12 to be detected inside the lower jig body 81 after the upper jig 6 and the lower jig body 81 are closed by setting an air pump 9, so as to facilitate the pressure sensor 86 to detect the pressure; a first hydraulic cylinder 1 is fixedly connected to the top of the fixed frame 2, one end of the first hydraulic cylinder 1 is connected to the top of the upper jig 6, and a first sealing ring 11 is arranged on the inner side of the upper jig 6; this structure can push the upper jig 6 to automatically rise and fall through the first hydraulic cylinder 1, so as to realize the contact or separation between the upper jig 6 and the lower jig body 81; a loading manipulator 5 is arranged on one side of the support frame 4, and a discharging conveying assembly 3 is arranged on the bottom side of the support frame 4, and an opening is opened on the support frame 4, and grooves are arranged at both ends of the opening, and the lower jig assembly 8 is slidably connected inside the groove;

[0027] The material discharging conveying assembly 3 includes a shell 35 located inside the opening of the support frame 4, one end of the shell 35 is fixedly connected to a driving motor 31, and the shaft of the driving motor 31 is connected to the shaft of one end of the conveying belt 32 through a belt; this structure can drive the conveying belt 32 to rotate automatically through the driving motor 31, and the rotation of the conveying belt 32 can convey the workpiece 12 to be detected to automatically discharge; the inner side of the shell 35 is rotatably connected to the conveying belt 32, and a bracket 33 is provided on the bottom side of the support frame 4, and a third hydraulic cylinder 34 is provided at one end of the bracket 33, and one end of the third hydraulic cylinder 34 is connected to the bottom of the shell 35; the third hydraulic cylinder 34 can be used to push the shell 35 and the height of the conveying belt 32 to adjust, so that the conveying belt 32 can better contact the dropped workpiece 12 to be detected;

[0028] The lower fixture assembly 8 includes a lower fixture body 81 located at the bottom of the upper fixture 6, and one side of the lower fixture body 81 is connected to an exhaust pipe 83, and the exhaust pipe 83 is provided with a solenoid valve 85 and a pressure sensor 86; this structure can be automatically opened by setting the solenoid valve 85, and the gas can be discharged in time after the detection work is completed; by setting the pressure sensor 86, the pressure inside the workpiece 12 to be detected can be detected after the workpiece 12 to be detected is inflated;

[0029] An opening is provided at the bottom of the lower control body 81, and a bottom plate 87 is rotatably connected to the inner side of the opening. A second sealing ring 82 is provided on the top of the bottom plate 87, and a workpiece 12 to be detected is provided on the bottom plate 87, and the air hole of the workpiece 12 to be detected corresponds to the position of the connecting pipe 10; this structure can improve the sealing performance of the gap between the bottom plate 87 and the lower control body 81 by providing the second sealing ring 82; a rotating motor 84 is fixedly connected to one end of the lower control body 81, and one end of the shaft of the rotating motor 84 is connected to the shaft at one end of the bottom plate 87; the bottom plate 87 can be driven to rotate by the rotating motor 84, thereby facilitating the workpiece 12 to be detected on the bottom plate 87 to fall downward; the loading robot 5 of this device is mainly used for loading work, and the loading robot 5 is a prior art, so it will not be described in detail here.

[0030] Working principle: When using the online air tightness testing device of the automated assembly line, first, the loading robot 5 clamps the workpiece 12 to be tested and places it on the bottom plate 87 inside the lower fixture 81 and on the inner side of the second sealing ring 82. Then, the first hydraulic cylinder 1 pushes the upper fixture 6 to contact and close with the lower fixture 81, so that the connecting pipe 10 inside the upper fixture 6 is tightly fitted with the inflation port position on the workpiece 12 to be tested inside the lower fixture 81. At this time, the inflation pump 9 is started to inflate the inside of the workpiece 12 to be tested. After the inflation is completed, the pressure sensor 86 detects the pressure inside the workpiece 12 to be tested. After the detection work is completed, the solenoid valve 85 is opened to discharge the gas, and then the upper fixture 6 is reset, and the rotating motor 84 drives the bottom plate 87 to rotate. After the bottom plate 87 rotates and tilts, the workpiece 12 to be tested inside the bottom plate 87 falls downward onto the conveyor belt 32. Finally, the conveyor belt 32 transports the workpiece 12 to be tested to the next process.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An online air tightness testing device for an automated assembly line, comprising a support frame (4), a fixing frame (2) being arranged on the top side of the support frame (4), an upper fixture (6) being slidably connected to the bottom of the fixing frame (2), characterized in that: A loading manipulator (5) is disposed on one side of the support frame (4), a discharging conveying assembly (3) is disposed on the bottom side of the support frame (4), an opening is provided on the support frame (4), grooves are disposed at both ends of the opening, and a lower fixture assembly (8) is slidably connected inside the groove; The material discharging conveying assembly (3) comprises a shell (35) located inside the opening of the support frame (4), a conveying belt (32) is rotatably connected inside the shell (35), a bracket (33) is arranged on the bottom side of the support frame (4), a third hydraulic cylinder (34) is arranged at one end of the bracket (33), and one end of the third hydraulic cylinder (34) is connected to the bottom of the shell (35); The lower fixture assembly (8) comprises a lower fixture body (81) located at the bottom of the upper fixture (6); an opening is provided at the bottom of the lower fixture body (81); a bottom plate (87) is rotatably connected to the inside of the opening; a rotating motor (84) is fixedly connected to one end of the lower fixture body (81); and one end of a shaft of the rotating motor (84) is connected to a shaft at one end of the bottom plate (87).

2. The online air tightness testing device for an automated assembly line according to claim 1, characterized in that: One end of the support frame (4) is fixedly connected to a second hydraulic cylinder (7), and one end of the second hydraulic cylinder (7) is connected to one end of a lower fixture body (81) of the lower fixture assembly (8).

3. The online air tightness testing device for an automated assembly line according to claim 1, characterized in that: One side of the lower treatment body (81) is connected to an exhaust pipe (83), and the exhaust pipe (83) is provided with a solenoid valve (85) and a pressure sensor (86).

4. The online air tightness testing device for an automated assembly line according to claim 1, characterized in that: A second sealing ring (82) is arranged on the top of the bottom plate (87), a workpiece to be detected (12) is arranged on the bottom plate (87), and the air hole of the workpiece to be detected (12) corresponds to the position of the connecting pipe (10).

5. The online air tightness testing device for an automated assembly line according to claim 1, characterized in that: One end of the housing (35) is fixedly connected to a drive motor (31), and the shaft of the drive motor (31) is connected to a shaft at one end of a conveyor belt (32) via a belt.

6. The online air tightness testing device for an automated assembly line according to claim 1, characterized in that: The top of the upper jig (6) is fixedly connected to an air pump (9), the inflation port of the air pump (9) is connected to a connecting pipe (10), and one end of the connecting pipe (10) passes through the upper jig (6) and is located inside the upper jig (6).

7. The on-line air tightness testing device for an automated assembly line according to claim 1, characterized in that: A first hydraulic cylinder (1) is fixedly connected to the top of the fixing frame (2); one end of the first hydraulic cylinder (1) is connected to the top of the upper fixture (6); and a first sealing ring (11) is provided on the inner side of the upper fixture (6).

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