Automatic airtightness detector

Abstract

The utility model discloses an automatic air tightness detector which comprises a detection support, a jig placed on the detection support, a detection workpiece placed on the jig, a pressing cylinder which is installed on the detection support and located above the jig, and a telescopic cylinder which is fixedly installed on the detection support and located on one side of the jig. The air inlet mechanism is mounted at the output end of the telescopic cylinder and is driven by the telescopic cylinder to be inserted into a detection workpiece for detection; the device has the remarkable advantages in the aspects of improving the detection precision, reducing manual intervention, improving the production efficiency, reducing the cost and the like, can effectively improve the quality control and operation stability in the production process, and is suitable for large-scale production environments with high standard requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic air tightness detector. BACKGROUND

[0002] At present, the intelligent mobile phone develops rapidly, and the functional elements in the mobile phone are more and more, in addition to the important operating system, the shell structure stability of the mobile phone, the air tightness of the shell is also particularly important.

[0003] Taking the air tightness of the mobile phone as an example, not only need to prevent water, but also need to prevent the internal through the tiny gap and the outside ventilation, cause the circuit board high temperature to produce water mist, thereby corrode the circuit board and electronic component, and the position of the existence of simple writing is usually the external plug pin position of the mobile phone power plug, therefore, in the production process of the mobile phone shell, the air tightness detection of the mobile phone shell power plug part is needed, and for the above problems, a device capable of detecting the air tightness of the mobile phone shell is needed. SUMMARY

[0004] In view of the defects in the prior art, the utility model aims at providing automatic air tightness detector.

[0005] The utility model solves technical scheme that it adopts for its technical problem is:

[0006] Automatic air tightness detector, including detection support, fixture placed on detection support, detection workpiece placed on fixture, tight pressing pneumatic cylinder installed on detection support and located above fixture, telescopic pneumatic cylinder fixedly installed on detection support and located on one side of fixture, and air inlet mechanism installed on the output end of telescopic pneumatic cylinder and driven by telescopic pneumatic cylinder to insert detection workpiece for detection.

[0007] Preferably, the detection support includes a bottom plate for placing the jig, two vertical support columns fixed to the side of the bottom plate, and a top plate fixedly installed with the support columns for assembling the tight pressing pneumatic cylinder.

[0008] Preferably, the jig includes a jig body, and a workpiece embedding groove is formed in the upper end of the jig body for placing the detection workpiece.

[0009] Preferably, the end of the detection workpiece towards the air inlet mechanism is integrally formed with a terminal lug, and the terminal lug is internally provided with a metal pin extending into the detection workpiece.

[0010] Preferably, a pressing plate is installed on the output end of the tight pressing pneumatic cylinder.

[0011] Preferably, the air inlet mechanism includes an assembly block fixedly installed with the output end of the telescopic pneumatic cylinder, an air inlet seat with an air inlet channel fixedly installed on the assembly block, an air inlet hose in communication with the air inlet channel in the air inlet seat, and an air nozzle fixedly installed in the air inlet seat and in communication with the air inlet channel.

[0012] The utility model discloses the beneficial effect is:

[0013] 1. High accuracy air tightness detection: through the connection of air inlet hose and air nozzle, ensure that gas can accurately, stably send into the detection workpiece inside, effective evaluation air tightness;

[0014] 2. High degree of automation: the tight pressure cylinder drive pressing plate automatically press the detection workpiece on the fixture, ensure that workpiece position is stable, thereby avoid the error that artificial intervention brings, the automatic cooperation of telescopic cylinder and air inlet mechanism makes the air tightness detection process full automation, reduced the complexity of manual operation, improved detection efficiency and consistency;

[0015] 3. Improve detection efficiency: the design of automation makes every workpiece can complete air tightness detection in short time, is suitable for the requirement of detection efficiency in large-scale production;Equipment design is reasonable, can automatically complete the whole detection process, reduced the dependence on manual, improved the efficiency of production line. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure diagram of automatic air tightness detector of the utility model;

[0017] Figure 2 It is Figure 1 The exploded view;

[0018] Figure 3 It is Figure 1 The sectional view;

[0019] Figure 4 It is the schematic diagram of metal pin assembly in detection workpiece. DETAILED DESCRIPTION

[0020] The utility model is further explained in connection with the drawings and specific embodiment, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model. EMBODIMENT

[0021] As Figures 1-4 Indicated, automatic air tightness detector, including detection support 1, the fixture 2 of placing on detection support 1, the detection workpiece 3 of placing on fixture 2, the tight pressure cylinder 4 of installing on detection support 1 and located above fixture 2, the telescopic cylinder 5 of fixed installation on detection support 1 and located on one side of fixture 2, and the air inlet mechanism 6 of installing on the output end of telescopic cylinder 5, through telescopic cylinder 5 drive and insert detection workpiece 3 and detect.

[0022] The detection support 1 comprises a bottom plate 11 for placing the jig 2, two vertical support columns 12 fixed on the sides of the bottom plate 11, and a top plate 13 fixedly installed on the support columns 12 and used for assembling the pressing cylinder 4.

[0023] The jig 2 comprises a jig body 21 and a workpiece embedding groove 22 formed in the upper end of the jig body 21 and used for placing the detection workpiece 3.

[0024] The detection workpiece 3 is integrally formed with a terminal lug 31 at one end thereof facing the air inlet mechanism 6, and the terminal lug 31 is internally provided with a metal pin 32 extending into the detection workpiece 3.

[0025] The pressing cylinder 4 is provided with a pressing plate 41 at the output end thereof, and specifically, after the detection workpiece 3 is placed in the workpiece embedding groove 22, the pressing plate 41 is driven by the pressing cylinder 4 to press the detection workpiece 3, so as to facilitate the detection workpiece 3 to cooperate with the air inlet mechanism 6 for detection.

[0026] The air inlet mechanism 6 comprises an assembly block 61 fixedly installed on the output end of the telescopic cylinder 5, an air inlet seat 62 provided with an air inlet channel and fixedly installed on the assembly block 61, an air inlet hose 63 in communication with the air inlet channel in the air inlet seat 62, and an air nozzle 64 fixedly installed in the air inlet seat 62 and in communication with the air inlet channel, and specifically, the air nozzle 64 can be inserted into the terminal lug 31 of the detection workpiece 3, and then air is supplied through the air inlet hose 63, so as to detect whether there is a gap at the assembly position of the metal pin 32 in the terminal lug 31, thereby judging whether the product meets the specification requirements.

[0027] It should be further explained that a sealing ring can be arranged at the position where the air nozzle 64 contacts the terminal lug 31, so as to more accurately detect whether there is a gap at the assembly position of the metal pin 32 causing air leakage.

[0028] It should be further explained that the air inlet hose 63 is connected to an air pump, an electronic air pressure gauge and a flowmeter which are not shown in the figure, and the pressing cylinder 4 and the telescopic cylinder 5 are externally connected to a control platform and an alarm, and in actual operation and detection, the air flow is detected by monitoring the data of the electronic air pressure gauge and the flowmeter, if the control platform displays OK, it means that the air tightness of the detection workpiece 3 meets the detection requirements, if the control platform displays NG, it means that the air tightness of the detection workpiece 3 does not meet the detection requirements, and at the same time, the alarm is prompted.

[0029] The above embodiments of the utility model are not the limitation of the protection scope of the utility model, and the implementation mode of the utility model is not limited to this, and according to the above content of the utility model, according to the ordinary technical knowledge and usual means in the field, other various forms of modification, replacement or change of the above structure of the utility model are made without departing from the above basic technical thought of the utility model, and all should fall within the protection scope of the utility model.

Claims

1. Automatic air tightness tester, characterized in that, The utility model provides a detection device, which comprises a detection support, a jig placed on the detection support, a detection workpiece placed on the jig, a pressing cylinder installed on the detection support and located above the jig, an extension cylinder fixedly installed on the detection support and located on one side of the jig, and an air inlet mechanism installed on the output end of the extension cylinder and driven by the extension cylinder to insert into the detection workpiece for detection.

2. The automatic air tightness tester according to claim 1, wherein The detection support comprises a bottom plate for placing the jig, two vertical support columns fixedly arranged on the side of the bottom plate, and a top plate fixedly arranged on the support columns and used for assembling the pressing cylinder.

3. The automatic air tightness tester of claim 1, wherein, The jig comprises a jig body and a workpiece embedding groove formed in the upper end of the jig body and used for placing the detection workpiece.

4. The automatic air tightness tester of claim 1, wherein, One end of the detection workpiece towards the air inlet mechanism is integrally formed with a terminal lug, and the terminal lug is internally provided with a metal pin extending into the detection workpiece.

5. The automatic air tightness tester of claim 1, wherein, The output end of the pressing cylinder is provided with a pressing plate.

6. The automatic air tightness tester of claim 1, wherein, The air inlet mechanism comprises an assembling block fixedly arranged on the output end of the extension cylinder, an air inlet seat provided with an air inlet channel and fixedly arranged on the assembling block, an air inlet hose in communication with the air inlet channel of the air inlet seat, and an air nozzle fixedly arranged in the air inlet seat and in communication with the air inlet channel.

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