Air tightness automatic detection equipment

Abstract

The utility model relates to the technical field of air tightness detection, in particular to automatic air tightness detection equipment, which comprises an air tightness detection device, a detection base, a detection bottom plate, a pressing power mechanism, a limiting assembly, a clamping assembly, a switch ejector rod and a switch power mechanism. The air tightness detection joints are respectively arranged on the detection base and are respectively positioned right below the inlet and outlet channel ports of the to-be-detected product; compared with an existing traditional pure manual mode for air tightness detection, the air tightness detection can be completed only by putting in and taking out the to-be-detected product, the overall air tightness detection time can be greatly shortened, the overall air tightness detection efficiency is improved, the plugging force consistency is good, and the detection efficiency is improved. The condition of wrong detection caused by the fact that the air tightness detection connector and the access channel opening are not inserted in place due to different insertion force can be avoided, and the air tightness detection accuracy is higher.

Description

Technical fields:

[0001] This utility model relates to the field of airtightness testing technology, and in particular to an automated airtightness testing device. Background technology:

[0002] like Figure 1 As shown, a product includes a main body 14, a switch button 15 located on one side of the main body 14, and several inlet / outlet ports 16 located at the bottom of the main body 14. Each inlet / outlet port 16 will only be connected to the outside when the switch button 15 is pressed and opened. In order to ensure the airtightness of the product, after the product is manufactured, it is necessary to perform an airtightness test. That is, the airtightness test device 13 is used to inflate the inside of the product to be tested and test the air pressure. When the air pressure is maintained within the preset air pressure range, it indicates that there is no air leakage inside the product to be tested and the airtightness is qualified. When the air pressure is lower than the preset air pressure range, it indicates that there is air leakage inside the product to be tested and the airtightness is unqualified.

[0003] Currently, most airtightness tests on the products under test are still conducted manually. This involves manually pressing the switch button 15 to open each inlet / outlet port 16, then manually connecting each airtightness testing connector 131 of the airtightness testing device 13 to each inlet / outlet port 16 of the product under test, and then inflating the product under test using the airtightness testing device 13 and performing an air pressure test. This purely manual method of airtightness testing not only takes a long time and has low overall testing efficiency, but also makes it easy for the airtightness testing connectors to not be properly connected to the inlet / outlet ports due to different insertion force, resulting in false tests. Utility Model Content:

[0004] The purpose of this invention is to provide an automated airtightness testing device that addresses the shortcomings of existing technologies. This device can significantly shorten the overall airtightness testing time and improve the overall airtightness testing efficiency. It also ensures good consistency in insertion force, avoiding mistesting caused by incomplete insertion of the airtightness testing connector and the inlet / outlet channel due to different insertion forces. This results in a higher accuracy rate for airtightness testing.

[0005] In order to achieve the above object, the utility model discloses the technical scheme that a kind of air-tightness automatic detection equipment, including air-tightness detection device, the air-tightness detection device includes several air-tightness detection joints, further including detection base, detection base plate is slidably arranged on the top of detection base along vertical direction, the pressing power mechanism for driving detection base plate sliding is set, the limiting assembly is set on the top of detection base plate, the clamping assembly is set on the bottom of detection base plate, switch top rod is slidably connected in the limiting assembly one side along horizontal direction, the switch power mechanism for driving switch top rod sliding is set, each air-tightness detection joint is respectively set on detection base and respectively located the each inlet and outlet passageway mouth of product to be detected directly below, pressing power mechanism is set on detection base, and the output end of pressing power mechanism is drivingly connected detection base plate, and switch power mechanism is set on detection base plate, and the output end of switch power mechanism is drivingly connected switch top rod;The limiting assembly is used to limit the product main body of product to be detected around;The clamping assembly is used to clamp the product main body of product to be detected.

[0006] Further improvement to the above scheme is that the clamping assembly includes two clamping modules symmetrically arranged, and each clamping module includes a clamping block slidably connected to the bottom of the detection base along the horizontal direction and a clamping power mechanism for driving the clamping block to slide, wherein the clamping power mechanism is arranged on the detection base, and the output end of the clamping power mechanism is drivingly connected to the clamping block.

[0007] Further improvement to the above scheme is that a plurality of first compression springs are clamped between the detection base plate and the detection base, the bottom of each first compression spring abuts against the top of the detection base, and the top of each first compression spring abuts against the bottom of the detection base plate.

[0008] Further improvement to the above scheme is that each air-tightness detection joint is sleeved with a joint sliding block, and a second compression spring is clamped between each joint sliding block and the detection base, the bottom of the second compression spring abuts against the top of the detection base, and the top of the second compression spring abuts against the bottom of the joint sliding block.

[0009] Further improvement to the above scheme is that the detection base plate is further provided with a pipe extruding assembly, the pipe extruding assembly includes an extruding block slidably connected to the front of the limiting assembly along the horizontal direction and an extruding power mechanism for driving the extruding block to slide, wherein the extruding power mechanism is arranged on the detection base plate, and the output end of the extruding power mechanism is drivingly connected to the extruding block.

[0010] Further improvement of the above scheme is that the downward pressing power mechanism comprises a downward pressing base arranged on the detection base, a downward pressing plate arranged below the downward pressing base in a vertical direction, a downward pressing cylinder for driving the downward pressing plate to slide, and a plurality of downward pressing slide rods arranged on the downward pressing plate in a vertical direction, the downward pressing cylinder is arranged on the downward pressing base, the output end of the downward pressing cylinder is drivingly connected with the downward pressing plate, the bottom of each downward pressing slide rod is connected with the downward pressing plate, and the top of each downward pressing slide rod is connected with the detection base.

[0011] Further improvement of the above scheme is that the downward pressing cylinder has two downward pressing cylinders which are symmetrically arranged on the top of the downward pressing base.

[0012] The air-tightness automatic detection equipment has the advantages that the air-tightness automatic detection equipment is provided with the air-tightness detection device, the detection base, the detection base plate arranged above the detection base in a vertical direction, the downward pressing power mechanism for driving the detection base plate to slide, the limiting assembly arranged on the top of the detection base plate, the clamping assembly arranged on the bottom of the detection base plate, the switch top rod slidingly connected with one side of the limiting assembly in a horizontal direction, and the switch power mechanism for driving the switch top rod to slide, so that the product main body of the product to be detected can be limited and clamped, the detection base plate can be driven to slide, and the switch top rod can be driven to slide.

[0013] When the air tightness is detected by the utility model, the product to be detected is first placed in the limiting assembly, the switch top rod is driven to slide and the switch button is pressed by the switch power mechanism, each inlet and outlet passage is opened, the product main body of the product to be detected is clamped by the clamping assembly, the detection bottom plate is driven to slide downward by the downward power mechanism, along with the downward movement of the detection bottom plate, each inlet and outlet passage of the product to be detected moves downward and is connected with the corresponding air tightness detection connector, the product to be detected is inflated and air pressure is detected by the air tightness detection device, after the detection is completed, the detection bottom plate is driven to move upward and reset by the downward power mechanism, the clamping assembly releases the clamping of the product to be detected, the switch top rod is driven to exit and reset by the switch power mechanism, the product after the detection is taken out from the limiting assembly, and the whole detection process is completed; compared with the air tightness detection by the traditional manual mode, the utility model only needs to put in and take out the product to be detected to complete the air tightness detection, can greatly shorten the required time length of the overall air tightness detection, improve the overall air tightness detection efficiency, has good consistency of plugging force, can avoid the misjudgment caused by the different plugging force of the air tightness detection connector and the inlet and outlet passage, and has higher air tightness detection accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of a product.

[0015] Figure 2 It is a structural schematic view of the utility model.

[0016] Figure 3 It is a structural schematic view of the utility model.

[0017] Figure 4 It is a structural schematic view of the clamping assembly of the utility model.

[0018] Figure 5 It is a structural schematic view of the switch top rod, the switch power mechanism and the extrusion pipe assembly of the utility model.

[0019] Figure 6 It is a sectional structure schematic view of the detection base and the detection bottom plate of the utility model.

[0020] Explanation of reference signs: detection base 1, detection bottom plate 2, pressing power mechanism 3, pressing seat 31, pressing plate 32, pressing cylinder 33, pressing slide rod 34, limiting assembly 4, clamping assembly 5, clamping module 51, clamping block 511, clamping power mechanism 512, switch top rod 6, switch power mechanism 7, pipe extruding assembly 9, extruding block 91, extruding power mechanism 92, first compression spring 10, joint slide block 11, second compression spring 12, air tightness detection device 13, air tightness detection joint 131, product main body 14, switch button 15, access passage 16, pipe joint 17, communication pipe 18, pipe clamp 19. DETAILED DESCRIPTION

[0021] The utility model will be described further, combining with the drawings, such as Figures 2-6The utility model discloses airtightness detection device 13, the airtightness detection device 13 includes several airtightness detection joints 131, still includes detection base 1, the detection base 1 top is slidably arranged in the detection base 1 in vertical direction detection bottom plate 2, the lower pressure power mechanism 3 for driving detection bottom plate 2 sliding is set on the limiting assembly 4 of detection bottom plate 2 top, the clamping assembly 5 that sets up on the detection bottom plate 2 bottom, the switch top rod 6 that is slidably connected in the limiting assembly 4 one side along horizontal direction, the switch power mechanism 7 for driving switch top rod 6 sliding, each airtightness detection joint 131 is arranged on detection base 1 respectively and is located respectively the each access channel mouth 16 of the product to be detected directly below, the lower pressure power mechanism 3 is arranged on detection base 1, and the output end drive connection detection bottom plate 2 of lower pressure power mechanism 3, and the switch power mechanism 7 is arranged on detection bottom plate 2, and the output end drive connection switch top rod 6 of switch power mechanism 7, the limiting assembly 4 is used for limiting the product main body 14 of the product to be detected around, the clamping assembly 5 is used for clamping the product main body 14 of the product to be detected, when carrying out airtightness detection through the utility model, first the product to be detected is placed in the limiting assembly 4, and the switch top rod 6 is driven to slide and is pressed to the switch button 15 through the switch power mechanism 7, makes each access channel mouth 16 open, and the product main body 14 of the product to be detected is clamped through the clamping assembly 5, and detection bottom plate 2 is driven to slide down through the lower pressure power mechanism 3, along with detection bottom plate 2 moving down, each access channel mouth 16 of the product to be detected moves down respectively and is opposite to the corresponding airtightness detection joint 131, and the product to be detected is inflated and carries out air pressure detection through the airtightness detection device 13, after completing detection, detection bottom plate 2 is driven to move up reset through the lower pressure power mechanism 3, and the clamping assembly 5 releases the clamping of the product to be detected, and the switch power mechanism 7 drives switch top rod 6 to exit reset, and the product after completing detection is taken out from the limiting assembly 4, and the whole detection process is completed, compared with the airtightness detection of the existing traditional manual mode, the utility model only needs to put in, take out the product to be detected to complete airtightness detection, not only can greatly shorten the length of time required for the whole airtightness detection, improve the whole airtightness detection efficiency, but also the consistency of insertion force is good, can avoid the misjudgment due to the different insertion force of airtightness detection joint 131 and access channel mouth 16 and cause the situation that does not plug in, and the airtightness detection accuracy is higher.

[0022] The clamping assembly 5 comprises two clamping modules 51 symmetrically arranged, each of which comprises a clamping block 511 slidingly connected to the bottom of the detection base plate 2 in the horizontal direction, and a clamping power mechanism 512 for driving the clamping block 511 to slide, the clamping power mechanism 512 being arranged on the detection base plate 2 and having an output end drivingly connected to the clamping block 511; the two clamping blocks 511 are driven by the clamping power mechanisms 512 of the two clamping modules 51 to move close to each other, so as to clamp the product body 14 of the product to be detected, thereby facilitating the stable sliding of the access passage 16 of the product to be detected along with the detection base plate 2 to realize the relative connection with the air tightness detection connector 131.

[0023] A plurality of first compression springs 10 are clamped between the detection base plate 2 and the detection base 1, the bottom of each first compression spring 10 abutting against the top of the detection base 1, and the top of each first compression spring 10 abutting against the bottom of the detection base plate 2; the arrangement of each first compression spring 10 enables the detection base plate 2 and the detection base 1 to have a certain dynamic buffering effect, thereby better realizing the relative connection of each air tightness detection connector 131 and each access passage 16.

[0024] Each air tightness detection connector 131 is sleeved with a connector sliding block 11, and a second compression spring 12 is clamped between each connector sliding block 11 and the detection base 1, the bottom of the second compression spring 12 abutting against the top of the detection base 1, and the top of the second compression spring 12 abutting against the bottom of the connector sliding block 11; the arrangement of the second compression spring 12 enables the air tightness detection connector 131 to be floatingly arranged on the detection base 1, the air tightness detection connector 131 having a certain height self-adaptation, which not only compensates for the height position deviation, but also better ensures the close connection of the access passage 16 and the air tightness detection connector 131.

[0025] As Figure 1As shown, the product further comprises two pipe joints 17 arranged on the front end of the product body 14, a communication pipe 18 arranged between the two pipe joints 17, and pipe clamps 19 arranged at the connecting positions of the two pipe joints 17 and the communication pipe 18, so that the air tightness detection fails when the pipe joints 17 and the product body 14 are loose and / or the pipe clamps 19 fail to fix the communication pipe 18 in place; the detection base plate 2 further comprises a pipe extruding assembly 9, which comprises an extruding block 91 slidably connected to the front of the limiting assembly 4 in the horizontal direction, and an extruding driving force mechanism 92 for driving the extruding block 91 to slide, wherein the extruding driving force mechanism 92 is arranged on the detection base plate 2, and the output end of the extruding driving force mechanism 92 is drivingly connected to the extruding block 91; when the air tightness of the product to be detected is detected, the extruding block 91 is driven by the extruding driving force mechanism 92 to extrude the communication pipe 18 and generate a certain extrusion force, so that the pipe joints 17, the pipe clamps 19 and the communication pipe 18 are subjected to air tightness detection under more severe conditions, which can not only more effectively expose potential leakage points, but also simulate the situation that a peristaltic pump and the like cause a certain impact force on the communication pipe 18, thereby greatly improving the air tightness reliability of the product in the actual use environment.

[0026] The down pressure power mechanism 3 comprises a down pressure seat 31 arranged on the detection base 1, a down pressure plate 32 arranged below the down pressure seat 31 in the vertical direction, a down pressure cylinder 33 for driving the down pressure plate 32 to slide, and a plurality of down pressure sliding rods 34 arranged on the down pressure plate 32 in the vertical direction, wherein the down pressure cylinder 33 is arranged on the down pressure seat 31, the output end of the down pressure cylinder 33 is drivingly connected to the down pressure plate 32, the bottom portions of the down pressure sliding rods 34 are respectively connected to the down pressure plate 32, and the top portions of the down pressure sliding rods 34 are respectively connected to the detection base plate 2; the down pressure power mechanism 3 drives the down pressure plate 32 to slide through the down pressure cylinder 33, and then drives the detection base plate 2 to slide through the down pressure plate 32 driving the plurality of down pressure sliding rods 34 to slide, so as to realize the down pressure of the detection base plate 2, which can make the detection base plate 2 as a whole more uniformly stressed and more stably down pressed, thereby making each access channel 16 more stably docked with the air tightness detection joint 131.

[0027] The down pressure cylinder 33 has two down pressure cylinders 33 symmetrically arranged on the top of the down pressure seat 31, which can further ensure that the detection base plate 2 as a whole is uniformly stressed and more stably down pressed.

[0028] Working principle:

[0029] The product to be detected is first placed in the limiting assembly 4, the switch top rod 6 is driven to slide and the switch button 15 is pressed through the switch power mechanism 7, each inlet and outlet passage opening 16 is opened, the product main body 14 of the product to be detected is clamped through the clamping assembly 5, the detection bottom plate 2 is driven to slide downward through the downward power mechanism 3, along with the downward movement of the detection bottom plate 2, each inlet and outlet passage opening 16 of the product to be detected moves downward and is opposite to the corresponding airtightness detection connector 131, the product to be detected is inflated and pressure detection is carried out through the airtightness detection device 13, after the detection is completed, the detection bottom plate 2 is driven to move upward and reset through the downward power mechanism 3, the clamping assembly 5 releases the clamping of the product to be detected, the switch top rod 6 is driven to exit and reset through the switch power mechanism 7, the product after the detection is completed is taken out from the limiting assembly 4, and the whole detection process is completed; compared with the existing traditional manual airtightness detection, the airtightness detection can be completed by only putting and taking out the product to be detected, the whole airtightness detection time can be greatly shortened, the whole airtightness detection efficiency is improved, the consistency of the plug-in force is good, the misjudgment caused by the fact that the airtightness detection connector 131 and the inlet and outlet passage opening 16 are not plugged in place due to different plug-in forces can be avoided, and the airtightness detection accuracy is higher.

[0030] Of course, the above is only a preferred embodiment of the utility model, therefore, equivalent changes or modifications made according to the structure, features and principles of the utility model patent application range are included in the utility model patent application range.

Claims

1. A hermeticity automated detection apparatus comprising a hermeticity detection device (13) comprising a number of hermeticity detection joints (131), characterized in that: Also include detection base (1), detection base plate (2) is arranged above detection base (1) in vertical direction sliding, for driving detection base plate (2) sliding down pressure power mechanism (3), limit component (4) is arranged on the top of detection base plate (2), clamping assembly (5) is arranged on the bottom of detection base plate (2), switch top rod (6) is slidingly connected to one side of limit component (4) in horizontal direction, switch power mechanism (7) is used for driving switch top rod (6) sliding, each air tightness detection connector (131) is arranged on detection base (1) respectively and is located below each inlet and outlet passage (16) of the product to be detected respectively, down pressure power mechanism (3) is arranged on detection base (1), the output end of down pressure power mechanism (3) is drivingly connected with detection base plate (2), switch power mechanism (7) is arranged on detection base plate (2), and the output end of switch power mechanism (7) is drivingly connected with switch top rod (6);The limit component (4) is used for limiting the product main body (14) of the product to be detected around;The clamping assembly (5) is used for clamping the product main body (14) of the product to be detected.

2. The automated leak detection apparatus of claim 1, wherein: The clamping assembly (5) includes two clamping modules (51) arranged symmetrically, and each clamping module (51) includes a clamping block (511) slidingly connected to the bottom of the detection base plate (2) in the horizontal direction, and a clamping power mechanism (512) for driving the clamping block (511) to slide, the clamping power mechanism (512) is arranged on the detection base plate (2), and the output end of the clamping power mechanism (512) is drivingly connected with the clamping block (511).

3. The automated leak detection apparatus of claim 1, wherein: A plurality of first compression springs (10) are clamped between the detection base plate (2) and the detection base (1), the bottom of each first compression spring (10) abuts against the top of the detection base (1), and the top of each first compression spring (10) abuts against the bottom of the detection base plate (2).

4. The automated leak detection apparatus of claim 1, wherein: Each air tightness detection connector (131) is sleeved with a connector sliding block (11), and a second compression spring (12) is clamped between each connector sliding block (11) and the detection base (1), the bottom of the second compression spring (12) abuts against the top of the detection base (1), and the top of the second compression spring (12) abuts against the bottom of the connector sliding block (11).

5. The hermetic automated detection apparatus of claim 1, wherein: The detection base plate (2) is also provided with a pipe extruding assembly (9), and the pipe extruding assembly (9) includes an extruding block (91) slidingly connected in front of the limit component (4) in the horizontal direction, and an extruding power mechanism (92) for driving the extruding block (91) to slide, the extruding power mechanism (92) is arranged on the detection base plate (2), and the output end of the extruding power mechanism (92) is drivingly connected with the extruding block (91).

6. The automated leak testing apparatus of any one of claims 1-5, wherein: The lower pressing power mechanism (3) comprises a lower pressing base (31) arranged on the detection base (1), a lower pressing plate (32) arranged below the lower pressing base (31) in a vertical direction, a lower pressing cylinder (33) for driving the lower pressing plate (32) to slide, and a plurality of lower pressing slide rods (34) arranged on the lower pressing plate (32) in a vertical direction, wherein the lower pressing cylinder (33) is arranged on the lower pressing base (31), the output end of the lower pressing cylinder (33) is drivingly connected with the lower pressing plate (32), the bottom of each lower pressing slide rod (34) is connected with the lower pressing plate (32), and the top of each lower pressing slide rod (34) is connected with the detection base plate (2).

7. The automated leak detection apparatus of claim 6, wherein: The lower pressing cylinder (33) has two, and the two lower pressing cylinders (33) are symmetrically arranged on the top of the lower pressing base (31) on both sides.

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