Airtightness testing mechanism

Abstract

The invention relates to an air tightness testing mechanism which comprises an air tightness bottom plate, a stand column, a mechanical rodless cylinder, a guide rail, a sliding block, a correlation optical axis, correlation photoelectricity, a guide rail sliding plate, an exhaust throttling valve, a rodless cylinder sliding plate, a rodless cylinder cylinder, a heightening optical axis, a heightening plate, a replaceable tool, a press bottom plate, a gas-liquid pressure cylinder, a pressing plate base plate and a ventilation plate. The air tightness testing mechanism has the advantages that a to-be-detected product is placed on the replaceable tool through the clamping jaw, correlation photoelectric detection is in place, the mechanical rodless cylinder drives the replaceable tool to move towards the front edge guide rail to the position below the ventilation plate, the gas-liquid pressure cylinder firstly presses the replaceable tool, then the ventilation plate conducts ventilation, and the air tightness of the to-be-detected product is achieved. The gas-liquid pressure cylinder drives the ventilation plate to press downwards onto the product to carry out airtightness detection; the device has the characteristics of simplicity in operation, high efficiency, high automation degree, time saving, high economical efficiency and the like, and has popularization significance.

Description

Technical Field

[0001] The present invention relates to the technical field of valve body air tightness testing, and more specifically to an air tightness testing mechanism. Background Art

[0002] As for valve bodies, they are widely used in industrial fields such as petroleum, power generation, chemical industry, papermaking, atomic energy, aviation, rockets, etc. The sealing of the valve body is one of the most important indicators of the valve body. Each valve body needs to be tested for sealing after production.

[0003] At present, valve body sealing inspection is generally completed manually, which can only complete the inspection of one valve body at a time. The degree of automation is not high, resulting in low inspection efficiency. Moreover, it is easy to get confused when manually classifying the inspected valve bodies.

[0004] The preceding description is intended to provide general background information and does not necessarily constitute prior art. Summary of the invention

[0005] The purpose of the present invention is to provide an airtight testing mechanism, which is simple to operate, highly efficient, time-saving, highly automated, and economical, and has promotional significance.

[0006] The present invention provides an airtight testing mechanism, including an airtight base plate, a column, a mechanical rodless cylinder, a guide rail, a slider, an opposing optical axis, an opposing photoelectric, a guide rail slide plate, an exhaust throttle valve, a rodless cylinder slide plate, a rodless cylinder cylinder, a heightened optical axis, a heightened plate, a replaceable tooling, a press base plate, a gas-liquid booster cylinder, a pressure plate substrate and a ventilation plate; at least one of the columns is fixed on both side edges of the airtight base plate, two parallel guide rails are connected between the columns on both sides of the airtight base plate, the mechanical rodless cylinder is connected between the two guide rails on the airtight base plate, and the exhaust throttle valve is installed at both ends of the mechanical rodless cylinder; the rodless cylinder slide plate is slidably connected to the mechanical rodless cylinder, and the rodless cylinder cylinder is vertically connected to the middle of the rodless cylinder slide plate; the slider is slidably connected to the guide rail, and both sides below the guide rail slide plate They are respectively connected to the two sliding blocks; the rodless cylinder cylinder passes through the center hole of the guide rail slide; the four edges on the guide rail slide are vertically connected with the elevated optical axis, the other end of the elevated optical axis is connected to the elevated plate, and the interchangeable tooling is connected to the elevated plate; two opposing optical axes are connected to the end of the airtight bottom plate away from the column, the two opposing optical axes are respectively located on the outside of the guide rail, the two opposing optical axes are symmetrical about the mechanical rodless cylinder, and the other end of the opposing optical axis is connected to the opposing photoelectric; the other end of the column is connected to the press bottom plate, the middle part of the press bottom plate is provided with a mounting hole, the gas-liquid booster cylinder is fixed on the press bottom plate, and the output end of the gas-liquid booster cylinder passes through the mounting hole; the output end of the gas-liquid booster cylinder is connected to the pressure plate substrate, and the ventilation plate is connected to the pressure plate substrate.

[0007] By adopting the above technical scheme, the present invention places the product to be inspected on the interchangeable tooling through the clamping claws, and the photoelectric detection is in place. The mechanical rodless cylinder drives the interchangeable tooling to move forward along the front guide rail to under the ventilation plate. The gas-liquid booster cylinder presses it first, and then the ventilation plate is ventilated. The gas-liquid booster cylinder drives the ventilation plate downward to press onto the product for airtightness detection.

[0008] Furthermore, the airtight testing mechanism also includes a locking nut, and four of the columns are respectively fixed at the two side edges on the airtight bottom plate, and connecting holes are provided at the four edges of the press bottom plate. The other end of the column passes through the connecting hole and is locked and fixed by the locking nut.

[0009] Furthermore, the airtight testing mechanism also includes a horizontal support, two of which are connected to the airtight bottom plate, the horizontal support is connected to the incident light axis, the other end of the incident light axis is connected to the clamping block, and the incident photoelectric device is installed on the clamping block.

[0010] Furthermore, the airtight testing mechanism also includes a buffer block and an adjustable buffer. Two of the buffer blocks are connected to the top of the airtight bottom plate. The two buffer blocks are respectively located at both ends of the airtight bottom plate. The buffer block is located between the mechanical rodless cylinder and the guide rail, and the buffer block is located on the side of the mechanical rodless cylinder away from the exhaust throttle valve. The adjustable buffer is connected to the buffer block.

[0011] Furthermore, limited-height cylinders are vertically connected at four corners on the interchangeable tooling.

[0012] Furthermore, the airtight testing mechanism also includes a flange linear bearing, a guide light shaft and a guide column upper plate. Two of the flange linear bearings are respectively connected to the two sides of the gas-liquid booster cylinder on the press bottom plate. The guide light shaft is inserted into the flange linear bearing and connected to the pressure plate base plate. The two ends of the guide column upper plate are respectively connected to the two guide light shafts on one side of the gas-liquid booster cylinder.

[0013] Furthermore, the airtight testing mechanism also includes a floating upper block and a floating lower block, the floating upper block is connected to the output end of the gas-liquid booster cylinder, the floating lower block is connected to the pressure plate substrate, and the floating upper block is stuck in the groove of the floating lower block.

[0014] Furthermore, the airtight testing mechanism also includes a groove-shaped photoelectric profile, a groove-shaped photoelectric and a groove-shaped sheet metal; the groove-shaped photoelectric profile is connected to one side of the gas-liquid booster cylinder on the press bottom plate, and the groove-shaped photoelectric is installed on the groove-shaped photoelectric profile; the groove-shaped sheet metal is installed on the guide column upper plate on the same side of the groove-shaped photoelectric profile; when the guide column upper plate moves up and down, the groove-shaped sheet metal will pass through the opening of the groove-shaped photoelectric.

[0015] The airtight testing mechanism provided by the present invention places the product to be tested on the replaceable tooling through the clamping claws, and the photoelectric detection is in place. The mechanical rodless cylinder drives the replaceable tooling to move forward along the front guide rail to under the ventilation plate. The gas-liquid booster cylinder presses it first, and then the ventilation plate is ventilated. The gas-liquid booster cylinder drives the ventilation plate to press downward onto the product for airtight testing. It has the characteristics of simple operation, high efficiency, high degree of automation, time saving, high economy, etc., and has the advantages of being popularized. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic structural diagram of an airtight testing mechanism provided in an embodiment of the present invention.

[0017] Figure 2 for Figure 1 Schematic diagram of the test of the airtight test mechanism.

[0018] Figure 3 for Figure 1Schematic diagram of the front view of the airtightness test mechanism.

[0019] Figure 4 for Figure 1 Structural diagram of the airtightness test mechanism from another perspective.

[0020] Figure 5 for Figure 1 Schematic diagram of the structure of the airtight base plate of the airtight testing mechanism.

[0021] Figure 6 for Figure 1 Schematic diagram of the structure of the gas-liquid booster cylinder of the airtightness test mechanism.

[0022] The reference numerals and components involved in the drawings are as follows:

[0023] 1. Airtight base plate 2. Column 3. Mechanical rodless cylinder

[0024] 4. Guide rail 5. Slider 6. Optical axis

[0025] 7. Opposite photoelectric 8. Guide rail slide 9. Exhaust throttle valve

[0026] 10. Rodless cylinder slide plate 11. Rodless cylinder cylinder 12. Pad heightening optical axis

[0027] 13. Heightening plate 14. Interchangeable tooling 15. Press bottom plate

[0028] 16. Gas-liquid booster cylinder 17. Press plate base plate 18. Ventilation plate

[0029] 19. Mounting hole 20. Locking nut 21. Connection hole

[0030] 22. Horizontal support 23. Clamp 24. Buffer block

[0031] 25. Adjustable buffer 26. Height-limiting cylinder 27. Flange linear bearing

[0032] 28. Guide light axis 29. Guide column upper plate 30. Floating upper block

[0033] 31. Floating lower block 32. Groove-shaped photoelectric profile 33. Groove-shaped photoelectric

[0034] 34. Channel sheet metal DETAILED DESCRIPTION

[0035] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0036] The terms "first", "second", "third", "fourth" and the like in the description and claims of the present invention are used to distinguish similar objects and are not necessarily used to describe a particular order or sequence.

[0037] Example 1

[0038] Figure 1 A schematic diagram of the structure of an airtight testing mechanism provided in an embodiment of the present invention, Figure 2 for Figure 1 Test diagram of airtight test mechanism. Figure 3 for Figure 1 Front view of the airtightness test mechanism. Figure 4 for Figure 1 Another structural diagram of the airtightness test mechanism. Figure 5 for Figure 1 Schematic diagram of the structure of the airtight bottom plate of the airtight test mechanism. Figure 6 for Figure 1 The structural diagram of the gas-liquid booster cylinder of the airtightness test mechanism. Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6The airtight testing mechanism provided by the embodiment of the present invention comprises an airtight bottom plate 1, a column 2, a mechanical rodless cylinder 3, a guide rail 4, a slider 5, a corresponding optical axis 6, a corresponding photoelectric 7, a guide rail slide 8, an exhaust throttle valve 9, a rodless cylinder slide 10, a rodless cylinder cylinder 11, a padding optical axis 12, a padding plate 13, a replaceable tooling 14, a press bottom plate 15, a gas-liquid booster cylinder 16, a press plate substrate 17 and a vent plate 18; at least one of the columns 2 is fixed at the two side edges on the airtight bottom plate 1, and at least one of the columns 2 is fixed at the two side edges on the airtight bottom plate 1. Two parallel guide rails 4 are connected between the columns 2 on both sides of the bottom plate 1, and the mechanical rodless cylinder 3 is connected between the two guide rails 4 on the airtight bottom plate 1, and the exhaust throttle valve 9 is installed at both ends of the mechanical rodless cylinder 3; the rodless cylinder slide plate 10 is slidably connected to the mechanical rodless cylinder 3, and the rodless cylinder cylinder 11 is vertically connected to the middle of the rodless cylinder slide plate 10; the slider 5 is slidably connected to the guide rail 4, and the guide rail slide plate 8 below The two sides are respectively connected to the two sliders 5; the rodless cylinder 11 passes through the central hole of the guide rail slide 8; the four edges on the guide rail slide 8 are vertically connected to the elevated optical axis 12, and the other end of the elevated optical axis 12 is connected to the elevated plate 13, and the elevated plate 13 is connected to the interchangeable tooling 14; two opposing optical axes 6 are connected to the end of the airtight bottom plate 1 away from the column 2, and the two opposing optical axes 6 are respectively located on the outside of the guide rail 4, and the two opposing optical axes 6 are respectively located on the outside of the guide rail 4. The optical axis 6 is symmetrical about the mechanical rodless cylinder 3, and the opposing photoelectric device 7 is connected to the other end of the opposing optical axis 6; the press base plate 15 is connected to the other end of the column 2, and a mounting hole 19 is provided in the middle of the press base plate 15; the gas-liquid booster cylinder 16 is fixed on the press base plate 15, and the output end of the gas-liquid booster cylinder 16 passes through the mounting hole 19; the output end of the gas-liquid booster cylinder 16 is connected to the pressure plate substrate 17, and the ventilation plate 18 is connected to the pressure plate substrate 17.

[0039] It should be noted that the present invention places the product to be inspected on the interchangeable tooling 14 through the clamping claws, and the photoelectric detection 7 detects that it is in place, and the mechanical rodless cylinder 3 drives the interchangeable tooling 14 to move forward along the front guide rail to under the ventilation plate 18, and the gas-liquid booster cylinder 16 drives the ventilation plate 18 to press the product downward, and then the ventilation plate 18 starts to ventilate for airtightness detection; the present invention has the characteristics of simple operation, high efficiency, high degree of automation, time saving, high economy, etc., and has the advantages of promotion significance.

[0040] Further references Figure 1The airtight testing mechanism of the present invention also includes a locking nut 20. Four of the columns 2 are respectively fixed at the side edges of the airtight bottom plate 1. Connecting holes 21 are provided at the four edges of the press bottom plate 15. The other end of the column 2 passes through the connecting hole 21 and is locked and fixed by the locking nut 20.

[0041] Further references Figure 5 The airtight testing mechanism of the present invention also includes a horizontal support 22, two of which are connected to the airtight bottom plate 1, the horizontal support 22 is connected to the incident light axis 6, the other end of the incident light axis 6 is connected to the clamping block 23, and the incident photoelectric device 7 is installed on the clamping block 23.

[0042] Further references Figure 5 The airtight testing mechanism of the present invention also includes a buffer block 24 and an adjustable buffer 25. Two buffer blocks 24 are connected to the airtight base plate 1. The two buffer blocks 24 are respectively located at the two ends of the airtight base plate 1. The buffer block 24 is located between the mechanical rodless cylinder 3 and the guide rail 4, and the buffer block 24 is located on the side of the mechanical rodless cylinder 3 away from the exhaust throttle valve 9. The adjustable buffer 25 is connected to the buffer block 24.

[0043] Further references Figure 1 In the present invention, a limited height cylinder 26 is vertically connected at the four corners on the interchangeable tooling 14; the airtight testing mechanism also includes a flange linear bearing 27, a guide light axis 28 and a guide column upper plate 29, and two flange linear bearings 27 are respectively connected to the two sides of the gas-liquid booster cylinder 16 on the press bottom plate 15, and the guide light axis 28 is inserted into the flange linear bearing 27 and connected to the pressure plate base plate 17, and the two ends of the guide column upper plate 29 are respectively connected to the two guide light axes 28 on one side of the gas-liquid booster cylinder 16.

[0044] Further references Figure 2 , Figure 3 The airtight testing mechanism of the present invention also includes a floating upper block 30 and a floating lower block 31. The floating upper block 30 is connected to the output end of the gas-liquid booster cylinder 16, and the floating lower block 31 is connected to the pressure plate substrate 17. The floating upper block 30 is stuck in the groove of the floating lower block 31.

[0045] Further references Figure 3 , Figure 6The airtight testing mechanism of the present invention also includes a groove-shaped photoelectric profile 32, a groove-shaped photoelectric 33 and a groove-shaped sheet metal 34; the groove-shaped photoelectric profile 32 is connected to one side of the gas-liquid booster cylinder 16 on the press bottom plate 15, and the groove-shaped photoelectric 33 is installed on the groove-shaped photoelectric profile 32; the groove-shaped sheet metal 34 is installed on the guide column upper plate 29 located on the same side of the groove-shaped photoelectric profile 32; when the guide column upper plate 29 moves up and down, the groove-shaped sheet metal 34 will pass through the opening of the groove-shaped photoelectric 33.

[0046] Based on the above description, it can be seen that the advantages of the present invention are:

[0047] The airtight testing mechanism provided by the present invention places the product to be tested on the interchangeable tooling 14 through the clamping claws, and the photoelectric detection 7 detects that it is in place. The mechanical rodless cylinder 3 drives the interchangeable tooling 14 to move to the bottom of the ventilation plate 18 along the front guide rail, and the air-liquid booster cylinder 16 drives the ventilation plate 18 to press the product downward, and then the ventilation plate 18 starts to ventilate for airtightness detection. The present invention has the characteristics of simple operation, high efficiency, high degree of automation, time saving, high economy, etc., and has promotion significance.

[0048] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. An airtight testing mechanism, characterized in that: It comprises an airtight bottom plate (1), a column (2), a mechanical rodless cylinder (3), a guide rail (4), a slider (5), a corresponding optical axis (6), a corresponding photoelectric (7), a guide rail slide plate (8), an exhaust throttle valve (9), a rodless cylinder slide plate (10), a rodless cylinder cylinder (11), a heightened optical axis (12), a heightening plate (13), a replaceable tooling (14), a press bottom plate (15), a gas-liquid booster cylinder (16), a press plate base plate (17) and a vent plate (18); At least one of the columns (2) is fixed on both side edges of the airtight bottom plate (1), two parallel guide rails (4) are connected between the columns (2) on both sides of the airtight bottom plate (1), the mechanical rodless cylinder (3) is connected between the two guide rails (4) on the airtight bottom plate (1), and the exhaust throttle valves (9) are installed at both ends of the mechanical rodless cylinder (3); The rodless cylinder slide plate (10) is slidably connected to the mechanical rodless cylinder (3), and the rodless cylinder cylinder (11) is vertically connected to the middle of the rodless cylinder slide plate (10); The slide block (5) is slidably connected to the guide rail (4), and the two sides below the guide rail slide block (8) are respectively connected to the two slide blocks (5); the rodless cylinder (11) passes through the central hole of the guide rail slide block (8); the four edges above the guide rail slide block (8) are vertically connected to the heightening optical axis (12), and the other end of the heightening optical axis (12) is connected to the heightening plate (13), and the interchangeable tooling (14) is connected to the heightening plate (13); Two of the opposing optical axes (6) are connected to one end of the airtight bottom plate (1) away from the column (2), the two opposing optical axes (6) are respectively located outside the guide rail (4), the two opposing optical axes (6) are symmetrical about the mechanical rodless cylinder (3), and the opposing photoelectric device (7) is connected to the other end of the opposing optical axis (6); The press bottom plate (15) is connected to the other end of the column (2), a mounting hole (19) is provided in the middle of the press bottom plate (15), the gas-liquid booster cylinder (16) is fixed on the press bottom plate (15), and the output end of the gas-liquid booster cylinder (16) passes through the mounting hole (19); the output end of the gas-liquid booster cylinder (16) is connected to the pressure plate substrate (17), and the ventilation plate (18) is connected to the pressure plate substrate (17).

2. The airtight testing mechanism according to claim 1, characterized in that: The airtight testing mechanism also includes locking nuts (20), which are respectively fixed to the four side edges of the airtight bottom plate (1), and connecting holes (21) are provided at the four side edges of the press bottom plate (15). The other end of the column (2) passes through the connecting hole (21) and is locked and fixed by the locking nuts (20).

3. The airtight testing mechanism according to claim 1, characterized in that: The airtight testing mechanism also includes a horizontal support (22), two of which are connected to the airtight bottom plate (1), the horizontal support (22) is connected to the incident light axis (6), the other end of the incident light axis (6) is connected to the clamping block (23), and the incident photoelectric device (7) is installed on the clamping block (23).

4. The airtight testing mechanism according to claim 1, characterized in that: The airtight testing mechanism also includes a buffer block (24) and an adjustable buffer (25). Two of the buffer blocks (24) are connected to the airtight base plate (1). The two buffer blocks (24) are respectively located at the two ends of the airtight base plate (1). The buffer block (24) is located between the mechanical rodless cylinder (3) and the guide rail (4), and the buffer block (24) is located on the side of the mechanical rodless cylinder (3) away from the exhaust throttle valve (9). The adjustable buffer (25) is connected to the buffer block (24).

5. The airtight testing mechanism according to claim 1, characterized in that: Limited height cylinders (26) are vertically connected to the four corners on the replaceable tooling (14).

6. The airtight testing mechanism according to claim 1, characterized in that: The airtight testing mechanism also includes a flange linear bearing (27), a guide light axis (28) and a guide column upper plate (29). Two flange linear bearings (27) are respectively connected to the two sides of the gas-liquid booster cylinder (16) on the press bottom plate (15). The guide light axis (28) is inserted into the flange linear bearing (27) and connected to the pressure plate base plate (17). The two ends of the guide column upper plate (29) are respectively connected to the two guide light axes (28) on one side of the gas-liquid booster cylinder (16).

7. The airtight testing mechanism according to claim 1, characterized in that: The airtight testing mechanism further comprises a floating upper block (30) and a floating lower block (31), wherein the floating upper block (30) is connected to the output end of the gas-liquid booster cylinder (16), and the floating lower block (31) is connected to the pressure plate base plate (17), and the floating upper block (30) is stuck in the groove of the floating lower block (31).

8. The airtight testing mechanism according to claim 6, characterized in that: The airtight testing mechanism further comprises a slot-shaped photoelectric profile (32), a slot-shaped photoelectric (33) and a slot-shaped sheet metal (34); the slot-shaped photoelectric profile (32) is connected to one side of the gas-liquid booster cylinder (16) on the press bottom plate (15), and the slot-shaped photoelectric (33) is installed on the slot-shaped photoelectric profile (32); The groove-shaped sheet metal (34) is installed on the guide column upper plate (29) located on the same side as the groove-shaped photoelectric profile (32); when the guide column upper plate (29) moves up and down, the groove-shaped sheet metal (34) passes through the opening of the groove-shaped photoelectric (33).

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