CN217384597U - Air tightness detection device - Google Patents
Air tightness detection device Download PDFInfo
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- CN217384597U CN217384597U CN202221178864.9U CN202221178864U CN217384597U CN 217384597 U CN217384597 U CN 217384597U CN 202221178864 U CN202221178864 U CN 202221178864U CN 217384597 U CN217384597 U CN 217384597U
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Abstract
The utility model discloses an air tightness detection device. The air tightness detection device comprises a water tank frame, a lifting mechanism fixed on the water tank frame and an inflating and pressing mechanism fixed on the lifting mechanism; the inflation pressing mechanism comprises a supporting plate, a first workpiece fixing plug and a second workpiece plug which are arranged at two ends of the supporting plate, a pneumatic quick push rod for pushing the second workpiece plug to drive the workpiece to move, and a pneumatic quick pressing plate for moving downwards and pressing the workpiece. The utility model discloses a gas tightness detection device has not only solved the low problem of heat exchanger gas tightness detection efficiency, has solved the erroneous judgement problem moreover, has reduced working strength simultaneously, has also improved the operation environment.
Description
Technical Field
The utility model relates to an air tightness test equipment field especially relates to the gas tightness detection device of heat exchanger.
Background
In the prior art, the detection of the air tightness of the heat exchanger is basically detected by manually plugging two ends of the heat exchanger, inflating the two ends of the heat exchanger, putting the two ends of the heat exchanger into water and observing whether bubbles exist, the detection method cannot inflate air with larger pressure, and the heat exchanger is easy to deform and damage the structure of the heat exchanger due to the larger pressure; when the pressure is too low, bubbles are not easy to observe and are easy to misjudge. In addition, the manual clamping speed is low, the clamping is easy to be deviated, the plugging force is insufficient, the working strength is high, and the two hands soak water for a long time, so that the testing efficiency is low and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough and provide gas tightness detection device among the prior art. The air tightness detection device is high in heat exchanger detection efficiency.
The technical scheme of the utility model as follows:
the air tightness detection device comprises a water tank frame, a lifting mechanism fixed on the water tank frame and an inflating and pressing mechanism fixed on the lifting mechanism; the inflation pressing mechanism comprises a supporting plate, a first workpiece fixing plug and a second workpiece plug which are arranged at two ends of the supporting plate, a pneumatic quick push rod for pushing the second workpiece plug to drive the workpiece to move, and a pneumatic quick pressing plate for moving downwards and pressing the workpiece.
The inflatable pressing mechanism further comprises a limiting guide pillar fixed on the supporting plate.
The number of the limiting guide columns is two.
The water tank rack comprises a frame and a water tank fixed on the frame.
The lifting mechanism comprises an air cylinder and a sliding rod which are fixedly arranged on two sides of the water tank, and a fixing plate which is fixedly connected with the driving output end of the air cylinder and the bottom end of the sliding rod respectively.
The supporting plate is fixed on the fixing plate.
The water tank is characterized by further comprising a control system, wherein the control system comprises a starting button, an ending button and a control box which are arranged on the water tank rack, and the control box comprises an electric leakage switch, a time relay, an electromagnetic valve and an air pressure oil-water separation pressure regulating valve.
The first workpiece fixing plug is provided with a silica gel pad, the second workpiece plug is provided with a silica gel pad, and the first workpiece fixing plug is provided with an air pipe connector.
The utility model has the advantages that: the utility model discloses a gas tightness detection device with compare in prior art, not only solved the low problem of heat exchanger gas tightness detection efficiency, solved the erroneous judgement problem moreover, reduced working strength simultaneously, also improved the operation environment.
Drawings
FIG. 1 is a structural diagram of the air tightness detecting device of the present invention;
FIG. 2 is a structural view of the sink frame and the elevating mechanism of the present invention;
fig. 3 is the structure diagram of the pneumatic pressing mechanism of the utility model.
In the figure: 100-a water tank rack, 200-a lifting mechanism, 300-an inflation pressing mechanism and 400-a control system;
101-sink, 102-frame;
201-cylinder, 202-slide bar, 203-fixing plate;
301-a first workpiece fixing plug, 302-a supporting plate, 303-a pneumatic rapid pressing plate, 304-a limiting guide column, 305-a second workpiece plug and 306-a pneumatic rapid push rod;
401-start button, 402-end button, 403-control box.
Detailed Description
For better illustration of the present invention, the following description will be made with reference to the accompanying drawings.
As shown in fig. 1 to 3, the airtightness detection apparatus includes a water tank frame 100, a lifting mechanism 200 fixed to the water tank frame 100, and an air-filling pressing mechanism 300 fixed to the lifting mechanism 200; the inflation pressing mechanism 300 comprises a supporting plate 302, a first workpiece fixing plug 301 and a second workpiece plug 305 which are arranged at two ends of the supporting plate 302, a pneumatic quick push rod 306 for pushing the second workpiece plug 305 to drive the workpiece to move, and a pneumatic quick pressing plate 303 for moving downwards and pressing the workpiece.
Further, as shown in fig. 3, the pneumatic pressing mechanism 300 further includes two limiting guide posts 304 fixed on the supporting plate 302; the limiting guide post 304 ensures that the workpiece cannot be deviated, so that the second workpiece plug 305 can be pressed against the workpiece.
Specifically, the sink housing 100 includes a frame 102 and a sink 101 secured to the frame 102.
Specifically, the lifting mechanism 200 comprises an air cylinder 201 and a sliding rod 202 which are fixedly arranged at two sides of the water tank 101, and a fixing plate 203 which is fixedly connected with a driving output end of the air cylinder 201 and the bottom end of the sliding rod 202 respectively; the supporting plate 302 is fixed on the fixing plate 203; the synchronous work of the air cylinders 201 on the two sides is guaranteed by adjusting the flow rate of inlet and outlet air, four sliding rods 202 are provided, the sliding rods 202 guarantee that the fixing plate 203 cannot shake when moving up and down, and the lifting mechanism 200 drives the inflating and pressing mechanism 300 to move up and down.
Further, the control system 400 is further included, the control system 400 includes a start button 401, an end button 402 and a control box 403 which are installed on the sink frame 100, and the control box 403 includes an electric leakage switch, a time relay, an electromagnetic valve, and a pneumatic oil-water separation pressure regulating valve.
Preferably, the first workpiece fixing plug 301 is provided with a silica gel pad, the second workpiece plug 305 is provided with a silica gel pad, and the silica gel pad has the function of ensuring that the workpieces cannot leak air after being compressed and inflated; the first workpiece fixing plug 301 is provided with a gas pipe interface. Before detection, a workpiece is placed on the limiting guide pillar 304, the pneumatic quick push rod 306 pushes the second workpiece plug 305 to drive the workpiece to move towards the first workpiece fixing plug 301 so as to compress the workpiece, then the pneumatic quick press plate 303 moves downwards to compress the workpiece so as not to deform the workpiece after inflation, the workpiece is pressed and inflated through the air pipe interface at the first workpiece fixing plug 301, the whole inflating and compressing mechanism 300 moves downwards along with the lifting mechanism 200 to the water tank 101 and is detected, and the reverse action returns to the original position after detection.
The utility model discloses gas tightness detection device theory of operation as follows:
firstly, a workpiece is placed at the position of a limiting guide pillar 304 on a supporting plate 302, a starting button 401 is pressed down, a control system 400 controls a pneumatic quick push rod 306 to enable a second workpiece plug 305 to move towards the direction of a first workpiece fixing plug 301 so as to press two sides of the workpiece tightly, the control system 400 controls a pneumatic quick press plate 303 to start pressing the workpiece tightly, the control system 400 controls gas to enter the workpiece from a gas pipe interface of the first workpiece fixing plug 301, the control system 400 controls a lifting mechanism 200 to move downwards after pressure stabilization, the whole workpiece is immersed under the water surface of a water tank 101, and whether bubbles are generated at the welding seam of the workpiece is observed after the water surface is calm. After the detection is finished, an end button 402 is pressed, the control system 400 controls the lifting 200 to ascend to the initial position, the control system 400 controls gas to exhaust from the first workpiece fixing plug 301, the control system 400 controls the pneumatic quick push rod 306 to move towards the direction far away from the first workpiece fixing plug 301 to loosen the workpiece after the gas is exhausted, the control system 400 controls the pneumatic quick press plate 303 to loosen the workpiece, the workpiece is taken out finally, the qualified workpiece is placed in a qualified product material area, and the unqualified workpiece is adhered to the vicinity of a leakage point by a mark label and placed in an unqualified product area.
The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modification, equivalent replacement or improvement made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The air tightness detection device is characterized in that: the device comprises a water tank frame, a lifting mechanism fixed on the water tank frame and an inflating and pressing mechanism fixed on the lifting mechanism; the inflation pressing mechanism comprises a supporting plate, a first workpiece fixing plug and a second workpiece plug which are arranged at two ends of the supporting plate, a pneumatic quick push rod for pushing the second workpiece plug to drive the workpiece to move, and a pneumatic quick pressing plate for moving downwards and pressing the workpiece.
2. The airtightness detection apparatus according to claim 1, wherein: the inflation pressing mechanism further comprises a limiting guide pillar fixed on the supporting plate.
3. The airtightness detection apparatus according to claim 2, wherein: the number of the limiting guide columns is two.
4. The airtightness detection apparatus according to claim 1, wherein: the water tank rack comprises a frame and a water tank fixed on the frame.
5. The airtightness detection apparatus according to claim 4, wherein: the lifting mechanism comprises an air cylinder and a sliding rod which are fixedly arranged on two sides of the water tank, and a fixing plate which is fixedly connected with the driving output end of the air cylinder and the bottom end of the sliding rod respectively.
6. The airtightness detection apparatus according to claim 5, wherein: the supporting plate is fixed on the fixing plate.
7. The airtightness detection apparatus according to claim 6, wherein: the water tank is characterized by further comprising a control system, wherein the control system comprises a starting button, an ending button and a control box which are installed on the water tank rack, and the control box comprises an electric leakage switch, a time relay, an electromagnetic valve and a pneumatic oil-water separation pressure regulating valve.
8. The airtightness detection apparatus according to claim 1, wherein: the first workpiece fixing plug is provided with a silica gel pad, the second workpiece plug is provided with a silica gel pad, and the first workpiece fixing plug is provided with an air pipe connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221178864.9U CN217384597U (en) | 2022-05-17 | 2022-05-17 | Air tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221178864.9U CN217384597U (en) | 2022-05-17 | 2022-05-17 | Air tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217384597U true CN217384597U (en) | 2022-09-06 |
Family
ID=83087524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221178864.9U Active CN217384597U (en) | 2022-05-17 | 2022-05-17 | Air tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217384597U (en) |
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2022
- 2022-05-17 CN CN202221178864.9U patent/CN217384597U/en active Active
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