CN208366547U - Air tightness of workpiece detection device - Google Patents
Air tightness of workpiece detection device Download PDFInfo
- Publication number
- CN208366547U CN208366547U CN201821172537.6U CN201821172537U CN208366547U CN 208366547 U CN208366547 U CN 208366547U CN 201821172537 U CN201821172537 U CN 201821172537U CN 208366547 U CN208366547 U CN 208366547U
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- workpiece
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- lateral frame
- water tank
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Abstract
The utility model discloses a kind of air tightness of workpiece detection devices, detect the top that water tank is arranged in sink, will be in the hydraulic pressure of water tank to detection sink by water pump；The side of detection sink is provided with switch, the first cylinder is fixed on lateral frame vertically, and pressing plate is fixed on the bottom end of expansion rod part；Below lateral frame, pressing plate is provided with the workpiece rack, workpiece for measurement is placed on workpiece and puts on the bottom plate of bracket, and its bottom plate is horizontal immediately below pressing plate, and bottom plate center is provided with tapped ventilation pipe；Lateral frame is fixed on the perpendicular support on water tank by bottom in one end and fixes, lateral frame can be moved up and down by the second cylinder in perpendicular support direction, and the second cylinder is vertically arranged, and is parallel to perpendicular support, and telescopic rod top end is connected with lateral frame, bottom cylinder is fixed on water tank.The present apparatus has saved detection time and the phenomenon that the accuracy of testing result is improved, is not in missing inspection or false retrieval.
Description
Technical field
The utility model specifically designs a kind of air tightness of workpiece detection device, belongs to engineering machinery and its accessory production and processing
Field.
Background technique
In the process of manufacture for the fuel tank that engineering mechanical device uses, need to prepare some miniature workpieces, these are small
The workpiece of type is usually weldment, and plate shape workpiece is stitched together using welding manner, and forming one has hollow cavity
Sub-assembly is welded, before the use, the airtightness to these welding sub-assemblies is needed to detect.
Previous detection method usually uses suds and reverses in weld, then by workpiece, and observation is blown either with or without bubble
It rises, such detection mode takes a long time, it usually needs time more than ten minutes is observed, and often will appear some stingy
Not the phenomenon that bubble does not observe, and causes testing result and error.
Summary of the invention
In view of the above-mentioned problems of the prior art, the purpose of the utility model is to provide a kind of detections of air tightness of workpiece to fill
It sets, quickly to solve the air-tightness of welding workpiece and improve the accuracy rate of testing result.
A kind of air tightness of workpiece detection device that in order to achieve the above purposes, the technical solution adopted by the utility model is:, including
Water tank, detection sink, workpiece rack, pressing plate, the first cylinder and the second cylinder, the detection sink are upper end opening shape,
The top of the water tank is set, by water pump by the hydraulic pressure of water tank to detection sink in, and be arranged electrically operated valve control
The reflux of water；The side of detection sink is provided with switch, first cylinder is fixed on lateral frame vertically, expansion rod part
Vertically downward, the pressing plate is fixed on the bottom end of expansion rod part；Below lateral frame, pressing plate is provided with the workpiece and puts
Frame is set, workpiece for measurement is placed on workpiece and puts on the bottom plate of bracket, and its bottom plate is horizontal immediately below pressing plate, bottom plate center
Position is provided with tapped ventilation pipe, and vertical and perforation bottom plate, the bottom of workpiece for measurement is provided with to match with its size
The outside threaded holes of conjunction；Lateral frame is fixed on the perpendicular support on water tank by bottom in one end and fixes, and lateral frame can pass through institute
It states the second cylinder to move up and down in perpendicular support direction, the second cylinder is vertically arranged, and is parallel to the perpendicular support, and telescopic rod top end
It is connected with lateral frame, bottom cylinder is fixed on water tank.
Further, the pressing plate is set as the structure with multiple compression bars straight down, and the compression bar upper end
It is fixedly connected with spring, bottom is provided with anti-skid rubber cushion.
Further, on the detection sink, it is provided with vertical graduated scale.
Further, the top of perpendicular support is provided with air gauge.
The utility model has the following beneficial effects: by setting the first cylinder and the second cylinder, to workpiece carry out compress and
It drops to liquid level in detection sink once, is ventilated by the ventilation pipe of bottom base plate, make to be formed inside weld assembly certain
Air pressure, artificial observation liquid level detects the air-tightness of weld assembly either with or without bubble so that substantially reduced the time required to detection,
Detection can be completed within usual three minutes, saved detection time, and the accuracy of testing result is improved, will not go out
The phenomenon that existing missing inspection or false retrieval.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model,
Fig. 2 is the structural schematic diagram of pressing plate；
In figure, 1- water tank, 2- detects sink, 3- workpiece rack, 3.1- bottom plate, 4- pressing plate, 4.1- compression bar, 4.2- bullet
Spring, 4.3- anti-skid rubber cushion, the first cylinder of 5-, the second cylinder of 6-, 7- water pump, 8- switch, 9- lateral frame, 10- ventilation pipe,
11- perpendicular support, 12- graduated scale, 13- air gauge.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, 2, a kind of air tightness of workpiece detection device, including water tank 1, detection sink 2, workpiece rack 3,
Pressing plate 4, the first cylinder 5 and the second cylinder 6, the detection sink 2 are upper end opening shape, and the top of the water tank 1 is arranged in,
By water pump 7 by the hydraulic pressure of water tank 1 to detection sink 2 in, and be arranged electrically operated valve control water reflux, water can be through storing up
It is reused between water tank 1 and detection sink 2.
The side of detection sink 2 is provided with switch 8, switch 8 is used to control the open and close of water pump 7, opens switch
8, so that the water in water tank 1 enters detection sink 2,8 are turned off the switch, water stays in detection sink 2, it is used when to be detected,
It detects on sink 2, is provided with vertical graduated scale 12, also can be set in detection 2 inner surface of sink, it can be according to workpiece for measurement
Thickness observation enter detection sink 2 in water height, avoid enter into excessive moisture and increase useless energy consumption.Described first
Cylinder 5 is fixed on vertically on lateral frame 9, and vertically downward, the pressing plate 4 is fixed on the bottom end of expansion rod part to expansion rod part,
Pressing plate 4 can be driven by the first cylinder 5 and move up and down, and compress and unclamp workpiece for measurement.Below lateral frame 9, it is arranged around pressing plate 4
Have the workpiece rack 3, workpiece for measurement is placed on workpiece and puts on the bottom plate 3.1 of bracket, and its bottom plate 3.1 is horizontal is located at
Immediately below pressing plate 4, in this way when the first cylinder 5 is downward with dynamic pressure plate 4, workpiece can be pushed down, 3.1 center of bottom plate is provided with
Tapped ventilation pipe 10, vertical and perforation bottom plate 3.1, the bottom of workpiece for measurement be provided with matched with its size it is outer
Tracheae when needing to detect, is first connected ventilation pipe 10 by threaded hole.So that workpiece for measurement inner cavity is formed confined space, and has certain
Pressure.Lateral frame 9 is fixed in the perpendicular support 11 that one end is fixed on water tank 1 by bottom, and lateral frame 9 can pass through described the
Two cylinders 6 move up and down in 11 direction of perpendicular support, and the second cylinder 6 is vertically arranged, and are parallel to the perpendicular support 11, and telescopic rod top
End is connected with lateral frame 9, and bottom cylinder is fixed on water tank 1, and upper and lower stretch of the second cylinder 6 can drive 9 edge of lateral frame
The direction of perpendicular support 11 move up and down.
In order to preferably compress workpiece for measurement, the pressing plate 4 is set as the knot with multiple compression bars 4.1 straight down
Structure, and 4.1 upper end of the compression bar is fixedly connected with spring 4.2, bottom is provided with anti-skid rubber cushion 4.3, because workpiece bottom has
Possible out-of-flatness, if using rigid compression bar 4.1 isometric and that height is equal, it is possible to can workpiece be tilted a certain angle, from
And influence the ventilatory conditions of tracheae；Bottom is provided with anti-skid rubber cushion 4.3 and then plays the role of protecting workpiece for measurement surface, keeps away
Exempt from downward pressure and crosses macrolesion workpiece for measurement surface.The top of perpendicular support 11 is provided with air gauge 13, settable difference
Pressure, more accurate detection is carried out to the airtightness of workpiece for measurement.
Workpiece for measurement when in use, is placed on the bottom plate 3.1 of workpiece rack 3 by utility model device first,
By the first cylinder 5 with dynamic pressure plate 4 downwardly against workpiece for measurement, tracheae is connected to ventilation pipe 10, opening switch 8 makes water tank 1
Interior water enters detection sink 2, and water is sufficient, then drives lateral frame 9 to decline with the second cylinder 6, workpiece for measurement is made not exist
It detects in the water in sink 2, static three minutes, the bubble situation observed in liquid level proves if bubble-free is emerged in three minutes
The air-tightness of workpiece for measurement is good, meets regulation.
Claims (4)
1. a kind of air tightness of workpiece detection device, which is characterized in that including water tank (1), detection sink (2), workpiece rack
(3), pressing plate (4), the first cylinder (5) and the second cylinder (6), the detection sink (2) are upper end opening shape, are arranged in water tank
(1) top, it is by water pump (7) that the hydraulic pressure of water tank (1) is interior to detection sink (2), and electrically operated valve is set and controls water
Reflux；It is provided with switch (8) in the side of detection sink (2), first cylinder (5) is fixed on vertically on lateral frame (9), is stretched
Vertically downward, the pressing plate (4) is fixed on the bottom end of expansion rod part to contracting bar part；Below lateral frame (9), pressing plate is surrounded
(4) it is provided with the workpiece rack (3), workpiece for measurement is placed on workpiece and puts on the bottom plate (3.1) of bracket, and its bottom plate
(3.1) horizontal to be located at immediately below pressing plate (4), bottom plate (3.1) center is provided with tapped ventilation pipe (10),
Vertical and perforation bottom plate (3.1), the bottom of workpiece for measurement is provided with the outside threaded holes matched with its size；Lateral frame (9) exists
One end is fixed by the perpendicular support (11) that bottom is fixed on water tank (1), and lateral frame (9) can pass through second cylinder
(6) it is moved up and down in perpendicular support (11) direction, the second cylinder (6) is vertically arranged, and is parallel to the perpendicular support (11), and telescopic rod
The same lateral frame in top (9) is connected, and bottom cylinder is fixed on water tank (1).
2. air tightness of workpiece detection device according to claim 1, which is characterized in that the pressing plate (4) is set as having
The structure of multiple compression bars (4.1) straight down, and the compression bar upper end is fixedly connected with spring (4.2), bottom is provided with anti-
Sliding rubber pad (4.3).
3. air tightness of workpiece detection device according to claim 2, which is characterized in that on the detection sink (2), if
It is equipped with vertical graduated scale (12).
4. air tightness of workpiece detection device according to claim 1 or 2, which is characterized in that in the perpendicular support (11)
Top is provided with air gauge (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821172537.6U CN208366547U (en) | 2018-07-23 | 2018-07-23 | Air tightness of workpiece detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821172537.6U CN208366547U (en) | 2018-07-23 | 2018-07-23 | Air tightness of workpiece detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208366547U true CN208366547U (en) | 2019-01-11 |
Family
ID=64925839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821172537.6U Active CN208366547U (en) | 2018-07-23 | 2018-07-23 | Air tightness of workpiece detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208366547U (en) |
-
2018
- 2018-07-23 CN CN201821172537.6U patent/CN208366547U/en active Active
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