Damping air chamber leak detection automatic detection device

Abstract

The utility model discloses a damping air chamber leak hunting automatic detection device, which comprises a support mechanism, a product clamping mechanism and a lifting mechanism, when detection begins, a damping air chamber is placed between a bottom plate and an upper template, a connecting flange descends to extrude the upper template, and the damping air chamber is extruded and sealed by an upper sealing ring and a lower sealing ring to form a closed space for detection; after detection is completed, the connecting flange ascends, the bottom plate and the upper die plate are separated, and the damping air chamber is taken out. According to the utility model, the servo motor, the sensor and other parts are arranged, and the PLC is externally connected, so that the other actions of manually placing and taking a product can be controlled by the PLC, the automatic detection control of the damping air chamber can be realized, the operation time of workers is released, the operation intensity of the workers is reduced, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of shock-absorbing air chamber leakage detection, in particular to an automatic leakage detection device for shock-absorbing air chamber. Background Art

[0002] The shock-absorbing air chamber needs to have good sealing and maintain strong mechanical properties. During the production process of the shock-absorbing air chamber, gaps may exist due to welding or other operations, affecting the use of the shock-absorbing air chamber. Therefore, the shock-absorbing air chamber needs to be tested. At present, the detection of the shock-absorbing air chamber is not easy to automate and mainly relies on manual operation, which increases the operating intensity of personnel and reduces the detection efficiency.

[0003] Patent document No. CN105181261A discloses a welding air tightness tester, which realizes the whole process of workpiece clamping, positioning and air tightness test, and is suitable for air tightness test of cylinders, oil cylinders, welding pipes, etc. However, its structure still has the problems of poor automation capability and poor applicability to shock-absorbing air chamber test. Utility Model Content

[0004] The utility model aims to provide an automatic detection device for shock-absorbing air chamber leakage detection, so as to solve the problem of automatic detection of shock-absorbing air chamber, reduce the work intensity of personnel and improve the detection efficiency.

[0005] The purpose of the utility model can be achieved through the following technical solutions: an automatic leakage detection device for a shock-absorbing air chamber, comprising:

[0006] A support mechanism, the support mechanism comprising a fixing plate and a base, the fixing plate being connected to the base via a plurality of equal-height columns;

[0007] A product clamping mechanism, the product clamping mechanism comprising a bottom plate and an upper template, the bottom surface of the bottom plate is connected to the base, the top surface of the bottom plate is inlaid with a lower sealing ring, and the bottom surface of the upper template is inlaid with an upper sealing ring;

[0008] A lifting mechanism, the lifting mechanism is installed on the fixed plate, the lifting mechanism comprises a connecting flange and a power assembly, and the power assembly drives the connecting flange to rise or fall;

[0009] At the beginning of the test, the shock-absorbing air chamber is placed between the bottom plate and the upper template, the connecting flange descends to squeeze the upper template, and the shock-absorbing air chamber is squeezed and sealed by the upper and lower sealing rings to form a closed space for testing;

[0010] After the inspection is completed, the connecting flange rises, the bottom plate and the upper template are separated, and the shock-absorbing air chamber is taken out.

[0011] Optionally, the power assembly includes a servo motor, a connecting shaft, a transmission platform and a screw rod, the servo motor is connected to a fixed plate, and the servo motor chain drives the connecting shaft;

[0012] The transmission platform is connected to the fixed plate, the screw rod passes through the fixed plate and the transmission platform, the lower end of the screw rod is connected to the connecting flange, the screw rod is meshed with the connecting shaft inside the transmission platform to form a screw rod pair, and the servo motor chain drives the connecting shaft.

[0013] Optionally, the product clamping mechanism further comprises at least two guide posts, the upper template is provided with guide post holes corresponding to the guide posts, a guide sleeve pressure plate is installed in the guide post holes, and the guide posts and the guide sleeve pressure plate form a sliding fit.

[0014] Optionally, the product clamping mechanism further includes a positioning plate, the positioning plate is connected to the bottom plate, the positioning plate is located outside the lower sealing ring, and limits a portion of the lower sealing ring.

[0015] Optionally, the product clamping mechanism further comprises a limit block, wherein the limit block is connected to the bottom plate, and the limit block is located between the upper template and the bottom plate, and limits the lowering of the upper template.

[0016] Optionally, the connecting shaft passes through one end of the transmission platform and is connected to a handwheel, and the other end of the connecting shaft is connected to a driving sprocket through a clutch.

[0017] Optionally, the power assembly further includes sensor 1 and sensor 2;

[0018] The sensor 1 is connected to the connecting bracket, and the connecting bracket is connected to the fixing plate;

[0019] The second sensor is connected to the detection bracket, and the detection bracket is connected to the upper end of the screw rod;

[0020] The sensor 1 and the sensor 2 form a distance sensing.

[0021] Optionally, the connecting flange is threadedly connected to the template.

[0022] Optionally, the bottom plate is provided with an air duct, an air outlet of the air duct is connected to the enclosed space of the shock absorbing air chamber, and a joint is connected to the air inlet of the air duct.

[0023] Beneficial effects of the utility model:

[0024] 1. The utility model is provided with servo motors, sensors and other components, and connected to an external PLC controller. Manual operations only need to be performed by placing and taking products, and the rest of the operations can be controlled by the PLC. This can realize automatic detection and control of the shock-absorbing air chamber, free up employees' operating time, reduce personnel workload, and improve detection efficiency.

[0025] 2. The utility model can position and fix the shock-absorbing air chamber to be detected, and the shock-absorbing air chamber is not easy to be displaced, which is conducive to forming a closed space and improving the detection efficiency and accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the structure of an automatic leakage detection device for a shock-absorbing air chamber according to the utility model;

[0027] Figure 2 This is a schematic diagram of the structure of the clamping mechanism of the utility model product;

[0028] Figure 3 This is a schematic diagram of the lifting mechanism structure of the utility model;

[0029] Figure 4 It is a top view of the clamping mechanism of the utility model product;

[0030] Figure 5 For this utility model Figure 4 CC section view;

[0031] Figure 6 This is a side view of the lifting mechanism of the utility model;

[0032] Figure 7 It is a top view of the lifting mechanism of the utility model.

[0033] A. Products;

[0034] 100, bracket mechanism; 110, fixing plate; 120, base; 121, positioning block; 130, equal height column;

[0035] 200, product clamping mechanism; 210, bottom plate; 211, lower sealing ring; 212, positioning plate; 220, upper template; 221, upper sealing ring; 222, positioning hole; 230, guide column; 231, heightening block; 232, guide column positioning block; 240, guide sleeve plate; 250, limit block; 260, joint; 270, connecting block; 271, anti-rotation block;

[0036] 300, lifting mechanism; 310, connecting flange; 311, screw hole; 320, power assembly; 321, servo motor; 322, connecting shaft; 323, transmission platform; 324, screw rod; 325, transmission sprocket; 326, driving sprocket; 330, hand wheel; 340, clutch; 341, connecting seat; 350, sensor 1; 351, connecting bracket; 360, sensor 2; 361, detection bracket. DETAILED DESCRIPTION

[0037] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar symbols throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0038] The utility model discloses an automatic leakage detection device for a shock-absorbing air chamber. Figure 1-7 Shown, including

[0039] The bracket mechanism 100 includes a fixed plate 110 and a base 120. The fixed plate 110 and the base 120 are parallel to each other and placed horizontally. Four equal-height columns 130 can be used. The top ends of the equal-height columns 130 are connected to the fixed plate 110, and the bottom ends of the equal-height columns 130 are connected to the base 120. The fixed plate 110 and the base 120 form the bracket structure of the entire device, in which the components are installed on the bracket mechanism 100.

[0040] Product clamping mechanism 200, such as Figure 2 As shown, the product clamping mechanism 200 includes a base plate 210 as a basis and an upper template 220 for pressing the product A.

[0041] The bottom plate 210 is connected to the base 120 through three positioning blocks 121 for quick mold change, so that the product clamping mechanism 200 can be quickly replaced. The bottom surface of the upper mold plate 220 is inlaid with an upper sealing ring 221, and the top surface of the bottom plate 210 is inlaid with a lower sealing ring 211. The upper sealing ring 221 is used to seal the top of the shock-absorbing air chamber, and the lower sealing ring 211 is used to seal the bottom of the shock-absorbing air chamber, surrounding the outer side of the lower sealing ring 211, such as Figure 2 As shown, the top surface of the bottom plate 210 is connected to a positioning plate 212 for preventing the lower sealing ring 211 from sliding out. The positioning plate 212 can also be used to position the product A.

[0042] like Figure 2 , 5 As shown, the bottom plate 210 is connected to two limit blocks 250, and the two limit blocks 250 are located between the upper template 220 and the bottom plate 210. They can limit the excessive squeezing of the shock-absorbing air chamber when the upper template 220 descends, and can clamp and fix the product clamping mechanism 200.

[0043] The base plate 210 is also connected to two heightening blocks 231 for heightening the guide column 230, the heightening blocks 231 are connected to the guide column positioning blocks 232, the guide column positioning blocks 232 are connected to the guide column 230, the upper template 220 is provided with guide column holes corresponding to the guide columns 230, a guide sleeve pressure plate 240 is installed in the guide column holes, the guide column 230 and the guide sleeve pressure plate 240 form a sliding fit, and the guide column 230 plays a positioning and guiding role when the upper template 220 rises or falls.

[0044] The base plate 210 is also connected to a connecting block 270 for fixing an anti-rotation block 271. The connecting block 270 is connected to the anti-rotation block 271. When the shock-absorbing air chamber is placed between the base plate 210 and the upper template 220, the anti-rotation block 271 can better position the shock-absorbing air chamber to prevent it from rotating.

[0045] like Figure 2 , 4 As shown, the bottom plate 210 is provided with an air duct, and the air outlet of the air duct is connected to the enclosed space of the shock-absorbing air chamber. The air inlet of the air duct is connected with a joint 260. When the shock-absorbing air chamber is sealed by the upper sealing ring 221 and the lower sealing ring 211, a closed space is formed for detection. The air source is connected through the joint 260, and a stamping test is performed on the enclosed space. The welding condition of the shock-absorbing air chamber can be detected to avoid leakage of the shock-absorbing air chamber.

[0046] Also includes a lifting mechanism 300, such as Figure 3 As shown, the lifting mechanism 300 is installed on the fixing plate 110 , and the lifting mechanism 300 includes a connecting flange 310 and a power assembly 320 , and the power assembly 320 drives the connecting flange 310 to rise or fall.

[0047] like Figure 3 As shown, the power assembly 320 includes a servo motor 321 , a connecting shaft 322 , a transmission platform 323 , a screw rod 324 and other components.

[0048] The servo motor 321 is connected to the fixing plate 110, as shown in FIG. Figure 7 As shown, the transmission sprocket 325 of the servo motor 321 is connected to the driving sprocket 326 through a chain drive, and a clutch 340 is installed between the driving sprocket 326 and the connecting shaft 322. The fixed plate 110 is connected to a connecting seat 341, and the connecting seat 341 is connected to the clutch 340 through a support plate, thereby fixing and supporting the clutch 340.

[0049] The transmission platform 323 is connected to the fixed plate 110, the screw rod 324 passes through the fixed plate 110 and the transmission platform 323 in the vertical direction, the connecting shaft 322 passes through the transmission platform 323 in the horizontal direction, and the connecting shaft 322 passes through the transmission platform 323. One end of the connecting shaft 322 is connected to the handwheel 330; the lower end of the screw rod 324 is connected to the connecting flange 310, and the screw rod 324 engages with the connecting shaft 322 inside the transmission platform 323, and the screw rod 324 and the connecting shaft 322 form a screw pair.

[0050] When in use, the servo motor 321 chain drives the connecting shaft 322 to rotate, and the connecting shaft 322 engages the screw rod 324 in the transmission platform 323 to drive the screw rod 324 to rise or fall. When manual intervention is required, the drive sprocket 326 is separated from the connecting shaft 322 through the clutch 340, and the connecting shaft 322 can be rotated by the hand wheel 330 to adjust the screw rod 324 to rise or fall.

[0051] The connecting flange 310 is connected to the lower end of the screw rod 324 and rises or falls with the screw rod 324. Figure 2 , 3 As shown, the upper template 220 is provided with a plurality of positioning holes 222 , and the connecting flange 310 is provided with screw holes 311 corresponding to the positioning holes 222 . The connecting flange 310 can be threadedly connected to the upper template 220 by bolts, so that the upper template 220 rises or falls with the connecting flange 310 .

[0052] Further Figure 6 As shown, the power assembly 320 also includes a sensor 1 350 and a sensor 2 360. The sensor 1 350 is connected to a connecting bracket 351, the connecting bracket 351 is connected to the fixing plate 110, the sensor 2 360 is connected to a detection bracket 361, and the detection bracket 361 is connected to the upper end of the screw rod 324; the sensor 1 350 and the sensor 2 360 form an upper and lower distance sensing.

[0053] When in use, sensor 1 350 and sensor 2 360 are connected to the PLC controller, and sensor 2 360 follows the screw rod 324 to rise or fall. Through the distance sensing between sensor 1 350 and sensor 2 360, the PLC controller controls the servo motor 321 to rotate or stop, thereby realizing the control of automatic rise or fall of the upper template 220.

[0054] Principle of the utility model: The utility model includes a bracket mechanism 100, a product clamping mechanism 200 and a lifting mechanism 300. When the detection starts, the shock-absorbing air chamber is placed between the bottom plate 210 and the upper template 220. The outer shape of the shock-absorbing air chamber is utilized, and the positioning pressure plate 212 and the anti-rotation block 271 are used to position the shock-absorbing air chamber. The servo motor 321 is started, and the servo motor 321 drives the screw rod 324. The screw rod 324 drives the connecting flange 310 to descend, and then drives the upper template 220 to descend. When the screw rod 324 descends to the set distance, the sensor 1 350 and the sensor 2 360 perform distance sensing and send it to the PLC controller. The PLC controller controls the servo motor 321 according to the sensor signal to stop it.

[0055] At this time, the shock-absorbing air chamber is sealed by the upper sealing ring 221 and the lower sealing ring 211, forming a closed space inside. The air source is connected through the joint 260 to perform an inflation test on the closed space, so as to detect the airtightness of the shock-absorbing air chamber and find the gap in the shock-absorbing air chamber in time.

[0056] After the detection is completed, the PLC controller can control the servo motor 321 to start according to the set time, drive the upper template 220 to rise, separate the upper template 220 from the bottom plate 210, take out the shock-absorbing air chamber, and complete a detection cycle.

[0057] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

[0058] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0059] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0060] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0061] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

Claims

1. An automatic leakage detection device for a shock-absorbing air chamber, characterized in that: include: A support mechanism (100), the support mechanism (100) comprising a fixing plate (110) and a base (120), the fixing plate (110) being connected to the base (120) via a plurality of equal-height columns (130); A product clamping mechanism (200), the product clamping mechanism (200) comprising a bottom plate (210) and an upper template (220), the bottom surface of the bottom plate (210) being connected to the base (120), the top surface of the bottom plate (210) being inlaid with a lower sealing ring (211), and the bottom surface of the upper template (220) being inlaid with an upper sealing ring (221); A lifting mechanism (300), wherein the lifting mechanism (300) is installed on the fixing plate (110), and the lifting mechanism (300) comprises a connecting flange (310) and a power assembly (320), and the power assembly (320) drives the connecting flange (310) to rise or fall; When the test starts, the shock-absorbing air chamber is placed between the bottom plate (210) and the upper template (220), the connecting flange (310) descends to squeeze the upper template (220), and the shock-absorbing air chamber is squeezed and sealed by the upper sealing ring (221) and the lower sealing ring (211) to form a closed space for testing; After the inspection is completed, the connecting flange (310) rises, the bottom plate (210) and the upper template (220) are separated, and the shock-absorbing air chamber is taken out.

2. The automatic leakage detection device for shock-absorbing air chamber according to claim 1 is characterized in that: The power assembly (320) comprises a servo motor (321), a connecting shaft (322), a transmission platform (323) and a screw rod (324); the servo motor (321) is connected to the fixing plate (110); and the servo motor (321) drives the connecting shaft (322) in a chain manner; The transmission platform (323) is connected to the fixed plate (110), the screw rod (324) passes through the fixed plate (110) and the transmission platform (323), the lower end of the screw rod (324) is connected to the connecting flange (310), the screw rod (324) is meshed with the connecting shaft (322) inside the transmission platform (323) to form a screw rod pair, and the servo motor (321) chain drives the connecting shaft (322).

3. The automatic leakage detection device for shock-absorbing air chamber according to claim 1 is characterized in that: The product clamping mechanism (200) further comprises at least two guide posts (230), the upper template (220) is provided with guide post holes corresponding to the guide posts (230), a guide sleeve pressure plate (240) is installed in the guide post holes, and the guide posts (230) and the guide sleeve pressure plate (240) form a sliding fit.

4. The automatic leakage detection device for shock-absorbing air chamber according to claim 1 is characterized in that: The product clamping mechanism (200) further comprises a positioning pressure plate (212), wherein the positioning pressure plate (212) is connected to the bottom plate (210), and the positioning pressure plate (212) is located outside the lower sealing ring (211) and limits a portion of the lower sealing ring (211).

5. The automatic leakage detection device for shock-absorbing air chamber according to claim 1 is characterized in that: The product clamping mechanism (200) further comprises a limit block (250), wherein the limit block (250) is connected to the bottom plate (210), and the limit block (250) is located between the upper template (220) and the bottom plate (210), and limits the lowering of the upper template (220).

6. The automatic leakage detection device for shock-absorbing air chamber according to claim 2 is characterized in that: One end of the connecting shaft (322) passes through the transmission platform (323) and is connected to a hand wheel (330), and the other end of the connecting shaft (322) is connected to a driving sprocket (326) via a clutch (340).

7. The automatic leakage detection device for shock-absorbing air chamber according to claim 2 is characterized in that: The power assembly (320) further includes a sensor 1 (350) and a sensor 2 (360); The sensor 1 (350) is connected to a connecting bracket (351), and the connecting bracket (351) is connected to a fixing plate (110); The second sensor (360) is connected to a detection bracket (361), and the detection bracket (361) is connected to the upper end of the screw rod (324); The sensor 1 (350) and the sensor 2 (360) form distance sensing.

8. The automatic leakage detection device for shock-absorbing air chamber according to claim 1 is characterized in that: The connecting flange (310) is threadedly connected to the upper template (220).

9. The automatic leakage detection device for shock-absorbing air chamber according to claim 1, characterized in that: The bottom plate (210) is provided with an air passage, an air outlet of the air passage is connected to the closed space of the shock-absorbing air chamber, and a joint (260) is connected to the air inlet of the air passage.

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