WO2018040303A1

WO2018040303A1 - Rotary airtightness detection device

Info

Publication number: WO2018040303A1
Application number: PCT/CN2016/106480
Authority: WO
Inventors: 吴加富; 缪磊; 黎宗彩; 刘学府
Original assignee: 苏州富强科技有限公司
Priority date: 2016-08-30
Filing date: 2016-11-19
Publication date: 2018-03-08
Also published as: CN106353039B; CN106353039A

Abstract

A rotary airtightness detection device comprises: a control system; a carrier assembly (110); a container tray (120) provided on the right side of the carrier assembly (110); a suction assembly (130) provided between the carrier assembly (110) and the container assembly (120); and a detection assembly (140) provided on the rear side of the carrier assembly (110). The detection assembly (140) comprises a sealing mechanism and a pressing mechanism. The pressing mechanism is provided above the sealing mechanism. The sealing mechanism is selectively arranged close to or far from a product to undergo detection on the carrier assembly (110). The pressing mechanism selectively presses or releases the product on the carrier assembly. The carrier assembly (110), the suction assembly (130) and the detection assembly (140) are all electrically connected to the control system. The detection device ensures a high level of automation, effective sealing and high detection precision when sealing a small and complex structure and particularly for a structure having a complex sealed internal structure.

Description

Rotary air tightness detecting device

Technical field

The present invention relates to a hermeticity detecting device, and more particularly to a rotary airtightness detecting device.

Background technique

With the development of electronic information technology and the advancement of consumer attitudes, high-light, thin, highly integrated electronic products (such as ultra-thin mobile phones, ultra-thin MP3 players, ultra-thin tablets, etc.) are increasingly consumed. The user's favorite, and gradually developed into a consumer trend, correspondingly, the related electronic product parts and components will be smaller in size and structural combination will be more compact. This size reduction and assembly complexity increase the size and functionality of electronic products while greatly improving the functionality and performance. However, this trend of smaller size, precision of assembly and greater power will result in many Design and assembly challenges.

At the same time, the penetration of conductive liquid into the product during the use of electronic products will affect the overall performance of the electronic product, and even directly lead to the short-circuit of the electronic product, so it requires interfaces and gaps on the electronic product to interface with the outside world (such as mobile phones or MP3 players). The USB interface, the headphone interface, the speaker sounding port, and the seam between the screen and the housing are tested for air tightness, which is convenient and quick to measure the leak rate, and to ensure the accuracy and reliability of the test.

The main disadvantages of the sliding reset mechanism in the prior art are: low degree of automation, and many steps requiring manual assistance. When sealing a complicated structure, especially a small-sized internal structure, the mechanism covers a large area and the sealing effect is poor. The detection accuracy is low.

Summary of the invention

In view of the deficiencies in the above techniques, it is an object of the present invention to provide a rotary airtightness detecting device which ensures automation in the case of small size, complicated structure, and particularly structural seals having complicated internal structures. High sealing effect with good sealing effect and high detection accuracy.

In order to achieve the above object and other advantages in accordance with the present invention, a rotary airtightness detecting apparatus is provided, comprising:

Control System;

Loading component

a tray provided on the right side of the loading assembly;

a suction assembly disposed between the load assembly and the tray;

a detection component disposed on a rear side of the load carrier assembly,

Wherein the detecting component comprises a sealing mechanism and a pressing mechanism, the pressing mechanism is disposed above the sealing mechanism, and the sealing mechanism is selectively adjacent to or away from the product to be tested placed on the loading component The pressing mechanism selectively compresses or loosens a product to be tested placed on the load carrier assembly, the load assembly, the suction assembly, and the detection assembly being electrically connected to the control system.

Preferably, the detecting component comprises:

a first mounting plate disposed vertically;

a driver mounting bracket disposed on a rear side of the first mounting board,

Wherein the driver mount is provided with a first driver, the power output end of the first driver is connected to the sealing mechanism after passing through the first mounting plate, and the sealing mechanism is in the first driver The drive is selectively advanced or retracted.

Preferably, the sealing mechanism comprises:

Gas supply device

Air tightness sensor;

a sealed mounting plate that interfaces with the power take-off of the first driver;

a sealing support plate provided on a front side of the seal mounting plate,

Wherein the air supply device and the airtightness sensor are electrically connected to the control system, the front side of the seal support plate is provided with a sealing end and a first guiding column, and the air path of the air supply device is The interior of the sealed tip extends and leads to the front end of the sealed end.

Preferably, the pressing mechanism comprises:

a second driver disposed on a front side of the first mounting board;

a pressing slide provided on a front side of the second driver;

An L-shaped pressing support plate provided on a front side of the pressing slide rail,

Wherein the L-shaped compression support plate comprises vertical and horizontal portions perpendicular to each other, the vertical portion being engaged with the pressing slide rail, the horizontal portion being located directly above the loading assembly a lower end surface of the horizontal portion is provided with a pressing end, and the L-shaped pressing support plate is drivable at the second drive Moving down the sliding rail.

Preferably, the carrier assembly comprises:

Loading platform;

a positioning sensor disposed on one side of the loading platform,

Wherein the positioning sensor is electrically connected to the control system.

Preferably, the suction assembly comprises:

a second mounting plate disposed vertically;

a rotating electrical machine mounting plate fixed to the upper end edge of the second mounting plate and perpendicular;

a rotary electric machine mounted on a lower surface of the rotating electrical machine mounting plate;

a rotating arm provided on an upper surface of the rotating electrical machine mounting plate,

Wherein, the rotating arm and the second mounting plate have a T-shaped structure, one end of the rotating arm is connected to a power output end of the rotating electrical machine, and a lower surface of the other end of the rotating arm is fixedly connected A three-driver that is rotatable at any angle in a horizontal plane driven by the rotary electric machine.

Preferably, the third driver is provided with a sliding guide rail extending vertically downward, a sliding sleeve is fastened on the sliding rail, and a tip mounting plate is fixed to the end of the sliding sleeve, and the nozzle is fixed. The lower surface of the mounting plate is provided with a plurality of vacuum tips and positioning posts.

Preferably, the receiving tray is provided with a partition plate, and the partition plate divides the receiving tray into a qualified product chamber and a defective chamber.

Compared with the prior art, the invention has the following beneficial effects:

1. The pressing mechanism selectively presses or loosens a test piece placed on the load carrier assembly because the sealing mechanism is selectively adjacent to or away from a product to be tested placed on the load carrier assembly The product is such that when the product to be tested is placed on the loading component, after the pressing mechanism presses the product to be tested, the sealing mechanism can be close to the to-be-detected part of the product to be tested and sealed to provide preparation for subsequent airtightness detection. condition;

2. The gas supply device and the airtightness sensor are electrically connected to the control system, and the front side of the sealing support plate is provided with a sealing end and a first guiding column, and the gas path of the gas supply device is The inner portion of the sealing end extends to the front end of the sealing end, so that when the sealing end is driven by the first driver to abut the hole to be tested of the product to be tested to form a sealed space, The air supply device starts to inflate the sealed space, and the airtight sensor starts airtightness detection;

3. Since the L-shaped compression support plate comprises vertical and horizontal portions perpendicular to each other, the vertical portion is engaged with the pressing slide rail, and the horizontal portion is located at the positive of the load component Upper side, the lower surface of the horizontal portion is provided with a pressing end, and the L-shaped pressing support plate is slidable along the pressing slide rail under the driving of the second driver, thereby making the L-shaped pressure The supporting plate can realize the function of pressing or releasing the product to be tested while sliding up and down;

4. The loading assembly includes: a loading platform; and a positioning sensor disposed on a side of the loading platform, wherein the positioning sensor is electrically connected to the control system, so that the loading assembly can be Detecting whether there is a product to be tested on the loading platform and whether the position of the product to be tested reaches a predetermined position;

5. The rotating arm and the second mounting plate have a T-shaped structure, one end of the rotating arm is connected to the power output end of the rotating electrical machine, and the lower surface of the other end of the rotating arm is fixed a third driver, the rotating arm is rotatable at any angle in a horizontal plane under the driving of the rotating electric machine, so that the vacuum suction head is driven by the rotating electric machine to suck the product to be tested from the loading station to the loading material The airtightness detection is performed on the platform. After the detection is completed, the vacuum suction nozzle absorbs the measured product, and after rotating to a blanking station by a certain angle, the measured product is placed in the receiving tray;

6. Since the tray is provided with a partition, the partition divides the tray into a qualified compartment and a defective compartment, so that the tray can be used for sorting and placing the detected product.

DRAWINGS

1 is a perspective view showing the structure of a rotary airtightness detecting device according to an embodiment of the present invention;

2 is a perspective view showing a three-dimensional structure of a rotary airtightness detecting device according to an embodiment of the present invention;

3 is a right side view of a rotary airtightness detecting apparatus according to an embodiment of the present invention.

detailed description

The above and other objects, features, aspects and advantages of the present invention will become more apparent from

Referring to Fig. 1, a rotary airtightness detecting apparatus 100 includes a control system (slightly drawn), a loading assembly 110, a receiving tray 120, a suction assembly 130, and a detecting assembly 140, wherein the receiving tray 120 is disposed on the loading On the right side of the material assembly 110, the suction assembly 130 is disposed between the loading assembly 110 and the receiving tray 120, the detecting assembly 140 is disposed on the rear side of the loading assembly 110, and the detecting assembly 140 includes a sealing mechanism and a pressing mechanism. The pressing mechanism is disposed above the sealing mechanism, and the sealing mechanism is selectively adjacent to or away from the product to be tested placed on the loading assembly 110, and the pressing mechanism is selectively pressed or loosened to be placed The product to be tested on the carrier assembly 110, the carrier assembly 110, the suction assembly 130, and the detection assembly 140 are all electrically coupled to the control system.

Referring to Figure 2, the detection component 140 includes:

a first mounting plate 141 disposed vertically;

a driver mounting bracket 142 disposed on a rear side of the first mounting board 141,

The first mounting device 143 is disposed on the driver mounting bracket 142. The power output end of the first driving device 143 is connected to the sealing mechanism after passing through the first mounting plate 141. The sealing mechanism is driven by the first driving device 143. Selectively advance or retreat.

Referring to Figures 2 and 3, the sealing mechanism comprises:

Gas supply device (slightly drawn);

Airtight sensor (slightly drawn);

a seal mounting plate 144 that interfaces with the power take-off of the first driver 143;

a seal support plate 145 provided on the front side of the seal mounting plate 144,

Wherein, the air supply device and the airtightness sensor are electrically connected to the control system, and the front side of the sealing support plate 145 is provided with a sealing end 145a and a first guiding post 145b, and the air path of the air supply device is sealed The interior of the end 145a extends and leads to the front end of the sealed end 145a.

Referring again to Figures 2 and 3, the pressing mechanism includes:

a second driver 146 disposed on the front side of the first mounting board 141;

a pressing slide rail 146a provided on a front side of the second driver 146;

An L-shaped pressing support plate 147 provided on the front side of the pressing slide rail 146a,

Wherein, the L-shaped compression support plate 147 includes vertical and horizontal portions perpendicular to each other, the vertical portion being engaged with the pressing slide rail 146a, the horizontal portion being located directly above the loading assembly 110, The lower surface of the horizontal portion is provided with a pressing end 147a, and the L-shaped pressing support plate 147 is at the second driver 146. The drive slides down the compression rail 146a.

Referring to Figure 2, the carrier assembly 110 includes:

Loading platform 111;

a positioning sensor 112 disposed on one side of the loading platform 111,

The positioning sensor 112 is electrically connected to the control system, and the side surface of the loading platform 111 is provided with a guiding hole corresponding to the first guiding post 145b. In an embodiment, the upper end of the first mounting plate 141 is fixed with a supporting arm 148a. The front end of the supporting arm 148a is fixed with a scanner 148. The scanner 148 is directly above the loading platform 111, and the scanner 148 Electrically coupled to the control system.

Referring to Figures 2 and 3, the suction assembly 130 includes:

a second mounting plate 131 disposed vertically;

a rotating electrical machine mounting plate 132 fixed to the upper end edge of the second mounting plate 131 and perpendicular;

a rotary electric machine 136 mounted on a lower surface of the rotary electric machine mounting plate 132;

a rotating arm 133 provided on an upper surface of the rotating electrical machine mounting plate 132,

The rotating arm 133 and the second mounting plate 131 have a T-shaped structure, one end of the rotating arm 133 is connected to the power output end of the rotating electrical machine 136, and the lower surface of the other end of the rotating arm 133 is fixed with the third driver 134, and the rotating The arm 133 is rotatable at any angle in the horizontal plane driven by the rotary electric machine 136.

Referring to FIG. 2 and FIG. 3 again, the third driver 134 is provided with a sliding guide rail extending vertically downward, and a sliding sleeve 135a is fastened on the sliding rail, and a tip mounting plate 135 is fixed to the end of the sliding sleeve 135a. The lower surface of the tip mounting plate 135 is provided with a plurality of vacuum nozzles 135b and positioning posts 135c. The upper surface of the product to be tested is provided with positioning holes corresponding to the positioning posts 135c. In one embodiment, three triangular shaped and equidistantly distributed vacuum tips 135b are provided. The positioning sensor 112 is configured to scan a preset positioning feature code on a lower surface of the product to be tested. When the positioning sensor 112 scans the positioning feature code, it determines that the product to be tested has been rotated and translated to a predetermined detection position. At this time, the third driver When the 134 driving suction head mounting plate 135 is slid downward, when the product to be tested is brought into contact with the loading platform 111, the vacuum suction head 135b starts to deflate, thereby placing the product to be tested on the loading platform 111.

Referring again to FIG. 1, a tray 123 is disposed in the tray 120, and the separator 123 divides the tray 120 into a qualified chamber 121 and a defective chamber 122.

There are three stations in the suction assembly 130 in the rotary airtightness detecting device 100, at the level The in-plane direction is in the clockwise direction: the unloading station, the loading station, and the inspection station, and the nozzle mounting plate 135 can be selectively rotated between the three stations by the rotation motor 136, wherein The detecting station is located directly above the loading platform 131, and the angle between the blanking station and the detecting station is between 150° and 180°, and the angle between the loading station and the detecting station is between 60° and 90°. .

The specific working principle is as follows:

1. The suction head mounting plate 135 sucks the product to be tested at the loading station, then rotates and translates to the inspection station shown in FIG. 1 , and places the product to be tested on the loading platform 131;

2. The tip mounting plate 135 is rotated by the third driver 134 to rotate the translation detecting station, and the second driver 146 drives the L-shaped pressing support plate 147 to slide downward, thereby the product to be tested on the loading platform 131. Pressing to prevent movement, and the scanner 148 directly above the loading platform 111 starts to detect the barcode of the product attached on the upper surface of the product to be tested, and records the scanned data in the control system;

3. The sealing tip 145a is driven by the first driver 143 to abut the hole to be tested of the product to be tested to form a sealed space, and the air supply device starts to inflate the sealed space, and the airtight sensor starts to be performed. Air tightness test;

4. After the detection is completed, the detection result data is recorded in the control system to form a unique match with the scanned barcode data, and the detection result data is compared with the preset qualified data threshold in the control system, thereby determining the airtightness of the product. Whether the performance meets the design standard, at this time, the second driver 146 drives the L-type compression support plate 147 to slide upward, and the measured product on the loading platform 131 is released, and the suction head mounting plate 135 is rotated and translated to the inspection station. After the product is taken up, the product is rotated and translated onto the tray 120. After comparison, if the airtightness of the product satisfies the design standard, the measured product is placed in the qualified product room 121, and vice versa. In the defective room 122;

5. After the post-test product classification is completed, the nozzle mounting plate 135 is rotated and translated to the loading station, waiting for the next product to be tested to be tested, and the cycle is repeated until all the products to be tested are detected.

The number of devices and processing scales described herein are intended to simplify the description of the present invention. Applicability, modifications, and variations of the present invention will be apparent to those skilled in the art.

As described above, according to the present invention, the following advantageous effects can be obtained:

1. The seal mechanism is selectively adjacent to or away from the load component 110 to be tested. a product, the pressing mechanism selectively compressing or loosening the product to be tested placed on the carrier assembly 110 such that when the product to be tested is placed on the carrier assembly 110, the pressing mechanism is pressed After the product is tested, the sealing mechanism can be close to the to-be-detected portion of the product to be tested and sealed to provide necessary preparation conditions for subsequent airtightness detection;

2. The gas supply device and the airtightness sensor are electrically connected to the control system, and the front side of the sealing support plate is provided with a sealing end 145a and a first guiding column 145b, and the gas path of the gas supply device Extending inside the sealing end 145a and leading to the front end of the sealing end 145a, when the sealing end 145a is driven by the first driver 143 against the hole to be tested of the product to be tested to form a sealed space, the supply The air device begins to inflate the sealed space, and the airtight sensor begins to perform airtightness detection;

3. Since the L-shaped compression support plate 147 includes vertical and horizontal portions that are perpendicular to each other, the vertical portion is engaged with the pressing slide rail 146a, and the horizontal portion is located directly above the load assembly 110. The lower surface of the horizontal portion is provided with a pressing end 147a, and the L-shaped pressing support plate 147 is slidable along the pressing slide 146a under the driving of the second driver 146, so that the L-shaped pressing support plate 147 is The function of pressing or releasing the product to be tested can be achieved while sliding up and down;

4. The load carrier assembly 110 includes: a loading platform 111 and a positioning sensor 112 disposed on one side of the loading platform 111, wherein the positioning sensor 112 is electrically connected to the control system, so that the loading assembly 110 can detect the same. Whether the product to be tested and the placement position of the product to be tested reach the predetermined position on the loading platform 111;

5. Since the rotating arm 133 and the second mounting plate 131 have a T-shaped structure, one end of the rotating arm 133 is connected to the power output end of the rotating electrical machine 136, and the lower surface of the other end of the rotating arm 133 is fixed to the third driver 134. The rotating arm 133 can be rotated at any angle in the horizontal plane under the driving of the rotating electric machine 136, so that the vacuum suction head 135b is driven by the rotating electric machine 136 to suck the product to be tested from the loading station to the loading platform 111 for airtightness. Sex detection, after the completion of the detection, the vacuum nozzle 135b absorbs the measured product, rotates a certain angle to reach the blanking station, and places the measured product in the sump 120;

6. Since the tray 120 is provided with a partition 123, the partition 123 divides the tray 120 into the quality chamber 121 and the defective chamber 122, so that the tray 120 can be used to sort and place the detected product.

Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the embodiments, and are fully applicable to various fields suitable for the present invention, and can be easily made by those skilled in the art. The invention is not limited to the specific details and the details shown and described herein, without departing from the scope of the appended claims.

Claims

A rotary airtightness detecting device, comprising:

Control System;

Loading component

a tray provided on the right side of the loading assembly;

a suction assembly disposed between the load assembly and the tray;

a detection component disposed on a rear side of the load carrier assembly,

Wherein the detecting component comprises a sealing mechanism and a pressing mechanism, the pressing mechanism is disposed above the sealing mechanism, and the sealing mechanism is selectively adjacent to or away from the product to be tested placed on the loading component The pressing mechanism selectively compresses or loosens a product to be tested placed on the load carrier assembly, the load assembly, the suction assembly, and the detection assembly being electrically connected to the control system.
The rotary airtightness detecting apparatus according to claim 1, wherein said detecting component comprises:

a first mounting plate disposed vertically;

a driver mounting bracket disposed on a rear side of the first mounting board,

Wherein the driver mount is provided with a first driver, the power output end of the first driver is connected to the sealing mechanism after passing through the first mounting plate, and the sealing mechanism is in the first driver The drive is selectively advanced or retracted.
The rotary airtightness detecting device according to claim 2, wherein the sealing mechanism comprises:

Gas supply device

Air tightness sensor;

a sealed mounting plate that interfaces with the power take-off of the first driver;

a sealing support plate provided on a front side of the seal mounting plate,

Wherein the air supply device and the airtightness sensor are electrically connected to the control system, the front side of the seal support plate is provided with a sealing end and a first guiding column, and the air path of the air supply device is The interior of the sealed tip extends and leads to the front end of the sealed end.
A rotary airtightness detecting device according to claim 2, wherein said compacting machine The structure includes:

a second driver disposed on a front side of the first mounting board;

a pressing slide provided on a front side of the second driver;

An L-shaped pressing support plate provided on a front side of the pressing slide rail,

Wherein the L-shaped compression support plate comprises vertical and horizontal portions perpendicular to each other, the vertical portion being engaged with the pressing slide rail, the horizontal portion being located directly above the loading assembly The lower surface of the horizontal portion is provided with a pressing end, and the L-shaped pressing support plate is slidable along the pressing slide rail under the driving of the second driver.
The rotary airtightness detecting apparatus according to claim 1, wherein said load component comprises:

Loading platform;

a positioning sensor disposed on one side of the loading platform,

Wherein the positioning sensor is electrically connected to the control system.
The rotary airtightness detecting apparatus according to claim 1, wherein said suction assembly comprises:

a second mounting plate disposed vertically;

a rotating electrical machine mounting plate fixed to the upper end edge of the second mounting plate and perpendicular;

a rotary electric machine mounted on a lower surface of the rotating electrical machine mounting plate;

a rotating arm provided on an upper surface of the rotating electrical machine mounting plate,

Wherein, the rotating arm and the second mounting plate have a T-shaped structure, one end of the rotating arm is connected to a power output end of the rotating electrical machine, and a lower surface of the other end of the rotating arm is fixedly connected A three-driver that is rotatable at any angle in a horizontal plane driven by the rotary electric machine.
The rotary airtightness detecting device according to claim 6, wherein the third actuator is provided with a sliding guide rail extending vertically downward, and the sliding guide rail is engaged with a sliding sleeve, the sliding The end of the sleeve is fixed with a suction head mounting plate, and the lower surface of the suction head mounting plate is provided with a plurality of vacuum suction heads and positioning posts.
The rotary airtightness detecting device according to claim 1, wherein a partition plate is provided in the hopper tray, and the partition plate divides the hopper tray into a qualified compartment and a defective compartment.