CN212059277U - Tightness test mechanism for sealing product - Google Patents
Tightness test mechanism for sealing product Download PDFInfo
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- CN212059277U CN212059277U CN202021189719.1U CN202021189719U CN212059277U CN 212059277 U CN212059277 U CN 212059277U CN 202021189719 U CN202021189719 U CN 202021189719U CN 212059277 U CN212059277 U CN 212059277U
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Abstract
The utility model provides a leakproofness product gas tightness accredited testing organization, include: a test jig; the positioning detection assembly is arranged on the test frame and used for fixing and detecting a product to be detected; wherein, the location detection subassembly includes: the positioning air pipes are arranged on the test frame and used for adsorbing a product to be tested on the test frame through air suction; the test probe is connected with the test frame through the elastic connecting sheet, an inflation hole is formed in the test probe, a product to be tested is adsorbed on the test frame under the action of the positioning air pipe and compresses the test probe, so that the inflation hole of the test probe is tightly connected with the air hole of the product to be tested, and the product to be tested is inflated; and the pressure sensor is used for detecting the pressure intensity in the product to be detected. This mechanism can detect the gas tightness of leakproofness product simultaneously and whether leak and paste waterproof ventilative subsides, and detection speed is faster, and efficiency, precision are higher.
Description
Technical Field
The utility model relates to an air tightness test technical field indicates a leakproofness product gas tightness accredited testing organization especially.
Background
Some sealing products, such as radars, are not completely sealed, but some air holes are required to be formed in the shell, waterproof breathable patches are attached to the air holes, and in addition, other places are required to be sealed. However, in the actual production process of the radar, the rest positions of the radar may be leaked, and the waterproof breathable paste is also easy to leak, so that the air tightness of the radar is not in line with the standard, and the performance of the radar is affected. Therefore, it is necessary to detect the airtightness of the radar and whether the waterproof and breathable tape is missed.
In the prior art, whether the radar is missed to be pasted with the waterproof breathable paste is usually manually detected, or the air tightness of the radar is manually detected through an air tightness detector, the detection efficiency is low, and the detection result precision is not high. Therefore, an air tightness testing mechanism which can simultaneously detect the air tightness of a sealing product and detect whether to leak and stick a waterproof breathable paste or not, and has higher detection speed and higher precision is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a leakproofness product gas tightness accredited testing organization can detect the gas tightness of leakproofness product simultaneously and whether leak and paste waterproof ventilative subsides, and detection speed is faster, and efficiency, precision are higher.
The utility model provides a technical scheme as follows:
the utility model provides a leakproofness product gas tightness accredited testing organization, include:
a test jig;
the positioning detection assembly is arranged on the test frame and used for fixing and detecting a product to be detected;
wherein the positioning detection assembly comprises:
the positioning air pipes are arranged on the test frame and used for enabling the product to be tested to be adsorbed on the test frame through air suction;
the test probe is connected with the test frame through an elastic connecting sheet, an inflation hole is formed in the test probe, the product to be tested is adsorbed on the test frame under the action of the positioning air pipe and compresses the test probe, so that the inflation hole of the test probe is tightly connected with the inflation hole of the product to be tested, and the product to be tested is inflated;
and the pressure sensor is used for detecting the pressure intensity in the product to be detected.
The positioning air pipe is connected with the air suction device, so that a product to be tested can be firmly adsorbed on the test frame after being placed on the test frame, the test probe is also arranged on the test frame and is connected with the test frame through the elastic connecting piece, when the product to be tested is adsorbed on the test frame, the test probe can be compressed, an inflation hole of the test probe is tightly connected with an air hole of the product to be tested, the product to be tested is inflated through the inflation hole, the actual inflation time required by inflating gas with preset pressure intensity can be measured, whether the product to be tested leaks air or is pasted with a waterproof breathable paste can be judged according to the actual inflation time, the pressure in the product to be tested is kept for a period of time, the leakage amount is measured, the leakage amount is compared with the preset difference value, whether the product to be tested is qualified or leaked can be further determined, and the mechanism can simultaneously detect the air tightness of the product to be tested and whether the waterproof breathable paste is pasted, and a plurality of products to be detected are detected simultaneously, so that the detection speed is higher, and the efficiency and the precision are higher.
Further, the side of test jig is provided with the first sensor of a plurality of, first sensor respectively with the location determine module corresponds, is used for detecting whether the product that awaits measuring is set level.
Set up first sensor through the side at the test jig, first sensor is laser sensor, radar sensor etc. for whether the product that detects is set level, thereby guarantee the gas charging hole of test probe and the bleeder vent zonulae occludens of the product that awaits measuring, avoid influencing the precision of test.
Further, be provided with the location mounting groove on the test jig, location determine module all sets up in the location mounting groove.
Through setting up the location mounting groove, the big or small size of location mounting groove matches with the size of the product that awaits measuring, and location determine module all sets up in the location mounting groove, can make the product that awaits measuring fix a position fast when placing the product that awaits measuring, improves detection efficiency.
Furthermore, the bottom surface of the positioning installation groove is provided with a plurality of air pipe positioning holes, and the positioning air pipes are respectively arranged in the corresponding air pipe positioning holes.
Through setting up the trachea locating hole, can be fixed with the location trachea to be favorable to making the product that awaits measuring fixed when adsorbing the product that awaits measuring, when avoiding the test, the product that awaits measuring rocks, influences the measuring accuracy.
Further, still include the test cabinet, be provided with the open chamber that holds of one side in the test cabinet, the test jig is installed hold the intracavity.
Through setting up the test cabinet, the test jig is installed in the intracavity that holds of test cabinet, can make the test mechanism form an organic whole to the use of test mechanism is convenient for.
Further, the test cabinet further comprises:
the control box is arranged in the test cabinet and used for controlling the operation of a system;
the display screen is arranged at the top of the test cabinet, is connected with the control box and is used for displaying test data;
the three-color lamp is arranged at the top end of the test cabinet, is connected with the control box and is used for displaying a test result;
two safety gratings are respectively arranged on two sides of the opening of the accommodating cavity and are connected with the control box.
In this embodiment, the control box is a PLC control box for controlling the operation of the entire system; the display screen is used for displaying test data and displaying test results in forms, images and the like; the three-color lamp is used for visually displaying a test result, if a product to be tested is qualified, a green lamp is displayed, a yellow lamp is displayed in the test process, and if the product to be tested is unqualified, a red lamp is displayed; the safety grating is equivalent to a starting switch, when a product to be tested is placed on the test frame, a hand or a machine and the like are required to stretch into the accommodating cavity, the placing is to be completed, and when the safety grating detects that the hand or the machine completely exits from the accommodating cavity, the control box control system starts to operate and detect.
Further, a second sensor is further arranged on the detection probe and used for detecting whether the product to be detected is placed or not.
Through set up the second sensor on test probe, the second sensor is radar sensor etc. can detect and survey whether to place the product that awaits measuring on the probe, simultaneously, can also scan the two-dimensional code that the product that awaits measuring pasted this department to the record is traceed back.
Further, a sealing ring is arranged on the air charging hole.
Through set up the sealing washer on aerifing the hole, can guarantee the hole of aerifing of test probe and the bleeder vent zonulae occludens of the product that awaits measuring to when preventing to the product that awaits measuring to aerify, gas leakage influences the test result.
According to the utility model provides a leakproofness product gas tightness accredited testing organization, through setting up the location trachea, the location trachea is connected with the getter device, make after putting the product to be measured on the test jig, can adsorb the product to be measured firmly on the test jig, still be provided with the test probe on the test jig, the test probe passes through elastic connection piece and is connected with the test jig, when making the product to be measured adsorb on the test jig, can compress the test probe, make the gas charging hole of test probe and the bleeder vent of the product to be measured closely connect, aerify to the product to be measured in through the gas charging hole, just can measure the actual inflation time that fills the gas of predetermineeing pressure, just can judge whether gas leakage or paste waterproof ventilative subsides of product to be measured according to the length of actual inflation time, keep the pressure in the product to be measured for a period again, measure the leakage quantity, compare the leakage quantity with predetermineeing the difference value, whether the product to be detected is qualified or leaked can be further determined, so that the mechanism can simultaneously detect the air tightness of the product to be detected and whether the waterproof breathable paste is leaked or not, a plurality of products to be detected are simultaneously detected, the detection speed is higher, and the efficiency and the precision are higher.
Drawings
The foregoing features, technical features, advantages and embodiments of the present invention will be further explained in the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings.
Fig. 1 is a schematic structural diagram of a test rack according to an embodiment of the present invention;
FIG. 2 is a schematic view of a mounting structure of a product to be tested according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional structural view of the test frame according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a test probe according to an embodiment of the present invention;
fig. 5 is a schematic view of the overall structure of the test cabinet according to the embodiment of the present invention;
fig. 6 is a schematic diagram of a state flow structure according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a determination process according to an embodiment of the present invention.
Reference numbers in the figures: 10-a test jig; 11-a first sensor; 12-positioning the mounting groove; 13-air pipe positioning hole; 20-positioning the detection assembly; 21-positioning the trachea; 22-test probe; 23-an elastic connecting piece; 24-an inflation hole; 25-a second sensor; 30-a product to be tested; 40-a test cabinet; 41-an accommodating cavity; 42-a control box; 43-a display screen; 44-three color lamps; 45-safety grating.
Detailed Description
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
Example 1
The utility model discloses an embodiment, as shown in FIG. 1 to FIG. 4, the utility model provides a leakproofness product gas tightness accredited testing organization, including test jig 10 and at least a set of location determine module 20, location determine module 20 sets up on test jig 10 for fixed and detect the product 30 that awaits measuring. The number of the positioning detection assemblies 20 is not fixed, and can be determined according to the use environment, in this embodiment, the product 30 to be detected is placed on the positioning detection assemblies 20 by hands, so that the number of the positioning detection assemblies 20 is two, and the left hand and the right hand can be operated simultaneously, in other embodiments, the positioning detection assemblies 20 can be further provided with multiple groups, for example, the product 30 to be detected is placed on the positioning detection assemblies 20 by a manipulator.
In this embodiment, the product 30 to be tested is a radar, and a specific air hole is provided with a waterproof air-permeable patch, but in the actual production process, other positions of the radar may be leaked, and the waterproof air-permeable patch may not be attached to the air hole, so that the air tightness of the radar needs to be tested to determine whether the radar is qualified, and in other embodiments, the product 30 to be tested may also be other products similar to radars.
The positioning detection assembly 20 includes a plurality of positioning air tubes 21, a test probe 22, and a pressure sensor. The positioning air pipe 21 is arranged on the test frame 10 and used for enabling the product 30 to be tested to be adsorbed on the test frame 10 through air suction.
The test probe 22 is connected with the test frame 10 through an elastic connecting sheet 23, an inflation hole 24 is arranged on the test probe 22, the product 30 to be tested is adsorbed on the test frame 10 under the action of the positioning air pipe 21 and compresses the test probe 22, so that the inflation hole 24 of the test probe 22 is tightly connected with the inflation hole of the product 30 to be tested, and the product 30 to be tested can be inflated, in the embodiment, the test probe 22 is connected with an inflation device, and an inflation pipeline can penetrate through the test frame 10.
Preferably, a sealing ring is arranged on the air charging hole 24. By arranging the sealing ring on the air charging hole 24, the air charging hole 24 of the test probe 22 can be ensured to be tightly connected with the air holes of the product 30 to be tested, so that the gas leakage is prevented from influencing the test result when the product 30 to be tested is charged.
The pressure sensor is used for detecting the pressure inside the product 30 to be measured, including the initial pressure, the pressure after inflation, the pressure after pressure maintaining, and the like, and in this embodiment, the pressure sensor is installed inside the product 30 to be measured or at the inflation hole 24.
By arranging the positioning air pipe 21, the positioning air pipe 21 is connected with the air suction device, so that the product 30 to be tested can be firmly adsorbed on the test frame 10 after the product 30 to be tested is placed on the test frame 10, the test probe 22 is also arranged on the test frame 10, the test probe 22 is connected with the test frame 10 through the elastic connecting sheet 23, when the product 30 to be tested is adsorbed on the test frame 10, the test probe 22 can be compressed, the air inflation hole 24 of the test probe 22 is tightly connected with the air inflation hole of the product 30 to be tested, the product 30 to be tested is inflated through the air inflation hole 24, the actual inflation time required by the gas filled with the preset pressure can be measured, whether the product 30 to be tested leaks air or is pasted with a waterproof breathable paste can be judged according to the actual inflation time, the pressure in the product 30 to be tested is kept for a period of time, the leakage amount is measured, the leakage amount is compared, whether the product 30 to be detected is qualified or leaked can be further determined, so that the mechanism can simultaneously detect the air tightness of the product 30 to be detected and whether the waterproof breathable paste is leaked or not, and a plurality of products 30 to be detected are simultaneously detected, therefore, the detection speed is higher, and the efficiency and the precision are higher.
Example 2
The utility model discloses an embodiment, as shown in fig. 1 to fig. 4, on embodiment 1's basis, the side of test jig 10 is provided with the first sensor 11 of a plurality of, and first sensor 11 corresponds with location detection subassembly 20 respectively for whether the product 30 that detects to await measuring is set level.
Set up first sensor 11 through the side at test jig 10, first sensor 11 is laser sensor, radar sensor etc. for whether detect the product 30 that awaits measuring and set level, thereby guarantee that the gas charging hole 24 of test probe 22 and the bleeder vent zonulae occludens of the product 30 that awaits measuring, avoid influencing the precision of test.
Preferably, the test jig 10 is provided with a positioning installation groove 12, and the positioning detection components 20 are all arranged in the positioning installation groove 12.
Through setting up location mounting groove 12, the size and the dimensions of location mounting groove 12 and the size matching of the product 30 that awaits measuring, location determine module 20 all sets up in location mounting groove 12, can make the product 30 that awaits measuring fix a position fast when placing the product 30 that awaits measuring, improves detection efficiency.
Further preferably, the bottom surface of the positioning installation groove 12 is provided with a plurality of air pipe positioning holes 13, and the positioning air pipes 21 are respectively arranged in the corresponding air pipe positioning holes 13.
Through setting up trachea locating hole 13, can be fixed with location trachea 21 to be favorable to making the product 30 that awaits measuring fixed when adsorbing the product 30 that awaits measuring, when avoiding the test, the product 30 that awaits measuring rocks, influences the measuring accuracy.
Preferably, the test probe 22 is further provided with a second sensor 25, and the second sensor 25 is used for detecting whether the product 30 to be tested is placed.
Through set up second sensor 25 on test probe 22, second sensor 25 is radar sensor etc. can detect whether place the product 30 that awaits measuring on the test probe 22, simultaneously, can also scan the two-dimensional code that the product 30 that awaits measuring pasted this department to the record is traceed back.
Example 3
The utility model discloses an embodiment, as shown in fig. 5, on embodiment 1 or embodiment 2's basis, still include test cabinet 40, be provided with the one side in the test cabinet 40 and open the chamber 41 that holds, test jig 10 is installed in holding chamber 41.
By providing the test cabinet 40, the test rack 10 is mounted in the receiving cavity 41 of the test cabinet 40, enabling the testing mechanism to be formed as an organic whole for use by the testing mechanism. Meanwhile, an air suction device for sucking air through the positioning air tube 21 and an air inflation device for inflating air through the test probe 22 are placed at the bottom of the test cabinet 40 to facilitate the test.
Preferably, the test cabinet further comprises a control box 42, a display screen 43, a tri-color light 44, and two safety light barriers 45. The control box 42 is arranged in the test cabinet 40 and is used for controlling the operation of the system; the display screen 43 is arranged at the top of the test cabinet 40, is connected with the control box 42 and is used for displaying test data; the three-color lamp 44 is arranged at the top end of the test cabinet 40, is connected with the control box 42 and is used for displaying a test result; the two safety gratings 45 are respectively arranged at two sides of the opening of the accommodating cavity 41 and are connected with the control box 42.
In this embodiment, the control box 42 is a PLC control box for controlling the operation of the whole system; the display screen 43 is used for displaying test data, and can display test results in forms, images and the like; the three-color lamp 44 is used for visually displaying a test result, for example, a green lamp is displayed when a product to be tested is qualified, a yellow lamp is displayed in the test process, and a red lamp is displayed when the product to be tested is unqualified; the safety grating 45 is equivalent to a start switch, when the product 30 to be tested is placed on the testing jig 10, a hand or a machine needs to be inserted into the accommodating cavity 41, and when the safety grating 45 detects that the hand or the machine completely exits the accommodating cavity 41 after the placement is completed, the control box 42 controls the system to operate and start the detection.
Example 4
The utility model discloses an embodiment, as shown in FIG. 6, on the basis of above-mentioned arbitrary embodiment, the utility model also provides a test method that is used for above-mentioned leakproofness product gas tightness accredited testing organization, including the step:
and S1, adsorbing the product to be tested through the positioning air pipe, enabling the product to be tested to compress the test probe, and enabling the air charging hole of the test probe to be tightly connected with the air hole of the product to be tested.
Specifically, the positioning air pipe is connected with the air suction device and used for enabling a product to be tested placed on the test frame to be tightly adsorbed on the test frame through air suction, and compressing the test probe in an adsorption process, so that the air inflation hole of the test probe can be tightly connected with the air holes of the product to be tested, and the product to be tested can be inflated through the test probe.
And S2, testing the initial pressure in the product to be tested through the pressure sensor, and obtaining the preset inflation time of the product to be tested when the preset pressure is reached through big data.
In this embodiment, taking radar as an example, the initial pressure of the product to be measured is 2Kpa, the preset pressure is 12Kpa, that is, the pressure of the charged gas is 10Kpa, and the preset charging time T of the product when the product is charged to 12Kpa is 5s according to the big data.
And S3, inflating the product to be tested through the inflation hole of the test probe to enable the product to be tested to reach the preset pressure, and measuring the actual inflation time.
And S4, maintaining the pressure of the product to be detected for a preset pressure maintaining time. In the present embodiment, the preset dwell time is 3 s.
And S5, measuring the real-time pressure in the product to be measured after the preset pressure maintaining time through the pressure sensor.
After step S5, a venting setting is also included for venting gas from the product to be tested, in this embodiment, the venting time is 1S.
And S6, obtaining a test result according to the actual inflation time and the difference value between the preset pressure and the real-time pressure.
Preferably, as shown in fig. 7, obtaining the test result specifically includes:
when the actual inflation time is longer than the preset inflation time, the product to be detected has leakage at other positions; when the actual inflation time is less than the preset inflation time, the waterproof breathable paste is not pasted at the breathable hole of the product to be detected; when the actual inflation time is equal to the preset inflation time and the difference between the preset pressure and the real-time pressure is not greater than the preset difference, the product to be tested is qualified and has not been leaked; and when the actual inflation time is equal to the preset inflation time and the difference value between the preset pressure and the real-time pressure is greater than the preset difference value, the product to be detected has leakage at other positions. The preset difference is determined according to the product characteristics, and in this embodiment, taking radar as an example, the preset difference is 0-1 pa.
After whether the product to be tested is leaked or whether the waterproof breathable paste is pasted or not is determined, the test result can be uploaded to an upper computer so that the test result can be displayed through a display screen.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A leakproofness product gas tightness accredited testing organization, its characterized in that includes:
a test jig;
the positioning detection assembly is arranged on the test frame and used for fixing and detecting a product to be detected;
wherein the positioning detection assembly comprises:
the positioning air pipes are arranged on the test frame and used for enabling the product to be tested to be adsorbed on the test frame through air suction;
the test probe is connected with the test frame through an elastic connecting sheet, an inflation hole is formed in the test probe, the product to be tested is adsorbed on the test frame under the action of the positioning air pipe and compresses the test probe, so that the inflation hole of the test probe is tightly connected with the inflation hole of the product to be tested, and the product to be tested is inflated;
and the pressure sensor is used for detecting the pressure intensity in the product to be detected.
2. The tightness testing mechanism of a sealing product according to claim 1, characterized in that: the side of test jig is provided with the first sensor of a plurality of, first sensor respectively with the location determine module corresponds, is used for detecting whether the product that awaits measuring is set level.
3. The tightness testing mechanism of a sealing product according to claim 1, characterized in that: be provided with the location mounting groove on the test jig, location determine module all sets up in the location mounting groove.
4. The tightness testing mechanism of a sealing product according to claim 3, wherein: the bottom surface of the positioning installation groove is provided with a plurality of air pipe positioning holes, and the positioning air pipes are respectively arranged in the corresponding air pipe positioning holes.
5. The tightness testing mechanism of a sealing product according to claim 1, characterized in that: still include the test cabinet, be provided with the open chamber that holds of one side in the test cabinet, the test jig is installed hold the intracavity.
6. The tightness testing mechanism of a sealing product according to claim 5, wherein: the test cabinet further comprises:
the control box is arranged in the test cabinet and used for controlling the operation of a system;
the display screen is arranged at the top of the test cabinet, is connected with the control box and is used for displaying test data;
the three-color lamp is arranged at the top end of the test cabinet, is connected with the control box and is used for displaying a test result;
two safety gratings are respectively arranged on two sides of the opening of the accommodating cavity and are connected with the control box.
7. The airtightness testing mechanism for hermetic products according to any one of claims 1 to 6, wherein: the test probe is also provided with a second sensor, and the second sensor is used for detecting whether to place the product to be tested.
8. The airtightness testing mechanism for hermetic products according to any one of claims 1 to 6, wherein: and a sealing ring is arranged on the inflation hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021189719.1U CN212059277U (en) | 2020-06-24 | 2020-06-24 | Tightness test mechanism for sealing product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021189719.1U CN212059277U (en) | 2020-06-24 | 2020-06-24 | Tightness test mechanism for sealing product |
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| CN212059277U true CN212059277U (en) | 2020-12-01 |
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| CN202021189719.1U Active CN212059277U (en) | 2020-06-24 | 2020-06-24 | Tightness test mechanism for sealing product |
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| CN (1) | CN212059277U (en) |
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2020
- 2020-06-24 CN CN202021189719.1U patent/CN212059277U/en active Active
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