Stainless steel tube air tightness detection equipment
By designing an adjustable bracket and clamping frame for the airtightness testing of stainless steel pipes, the problem of existing equipment being unable to adjust length and only capable of testing a single type of pipe has been solved. This enables the fixing and airtightness testing of stainless steel pipes of multiple specifications, enhancing the flexibility and accuracy of the testing.
Patent Information
- Application Number
- CN202520569398.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-28
AI Technical Summary
Existing stainless steel pipe airtightness testing equipment cannot be adjusted according to the length of the stainless steel pipe, the testing method is limited, and it cannot detect defects on the pipe surface during airtightness testing.
A stainless steel pipe airtightness testing device was designed, which includes an adjustable bracket and a clamping frame. The clamping plate is clamped by rotating the screw driven by a motor, and the internal pressure is tested by an air pump. The device is equipped with a pressure sensor and a defect camera for comprehensive testing.
It enables the fixing and airtightness testing of stainless steel pipes of different specifications, and can detect defects on the pipe surface, improving the accuracy and flexibility of the testing.
Smart Images
Figure CN223808078U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to stainless steel pipe detection technical field, concretely is a kind of stainless steel pipe air tightness detection equipment. BACKGROUND
[0002] Stainless steel pipe is a hollow long strip round steel, mainly widely used in petroleum, chemical industry, medical treatment, food, light industry, mechanical instrument etc. Industrial conveying pipeline and mechanical structural component etc. In addition, when bending, torsional strength is same, weight is lighter, so it is also widely used in manufacturing mechanical parts and engineering structure, also often used as furniture kitchenware etc., and stainless steel pipe needs to be carried out air tightness detection in processing process, the traditional detection equipment is inconvenient to adjust according to the length of stainless steel pipe when using, so that the practicability of equipment is poor, and detection mode is single, the defect on the surface of stainless steel pipe cannot be detected simultaneously with air tightness detection, for this purpose, a kind of stainless steel pipe air tightness detection equipment is provided. UTILITY MODEL CONTENTS
[0003] The utility model solves the technical problems to overcome the defects of the prior art, provide a kind of stainless steel pipe air tightness detection equipment, the bracket of adjustable position can be fixed to different specifications of stainless steel pipe with the pressure solid frame, and fixed plate and clamping plate can be clamped to stainless steel pipe, to facilitate the air tightness of stainless steel pipe to be detected, can effectively solve the problems in the background art.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of stainless steel pipe air tightness detection equipment, including workbench and clamping plate;
[0005] Workbench: the left side of top is fixed with fixed plate, the top of workbench is evenly provided with sliding slot, the right side of workbench is evenly installed with motor, the output shaft of motor is connected with the right side end of lead screw, the bottom end of clamping plate is slidably installed with sliding slot, the screw hole on the surface of clamping plate is connected with the screw thread of lead screw, the right side of the top of workbench is placed with air pump, the air outlet pipe of air pump is inserted with the through hole on the surface of clamping plate, the left side of fixed plate is evenly provided with the mounting seat corresponding with the position of clamping plate, pressure sensor is screw-threaded installed in the mounting seat, the top of workbench is provided with support fixed unit;
[0006] Wherein, it further includes controller, the controller is located on the top of workbench, the input end of motor and air pump is electrically connected with the output end of controller, the output end of pressure sensor is electrically connected with the input end of controller, the input end of controller is electrically connected with the output end of external power supply.
[0007] The starting motor drives the screw rod to rotate, so that the clamping plate cooperates with the fixed plate to clamp the two ends of the stainless steel pipe, the air pump delivers gas into the stainless steel pipe, and the pressure sensor can detect the pressure in the stainless steel pipe to determine the air tightness of the stainless steel pipe.
[0008] Further, the support fixing unit comprises a bracket, an adjusting block, an adjusting groove, a sliding rod, a rotating wheel and a screw rod, the adjusting groove is arranged on the top surface of the workbench, the adjusting block is slidably connected in the adjusting groove, the sliding rod is slidably arranged in the sliding hole in the middle of the adjusting block, the top end of the sliding rod is connected with the middle of the bottom surface of the bracket, the rotating wheel is rotatably arranged in the groove on the right side of the top surface of the bracket, the bottom end of the rotating wheel is connected with the top end of the screw rod, and the screw rod is screwed with the screw hole on the surface of the adjusting block; rotating the rotating wheel drives the screw rod to rotate, and the height of the bracket is adjusted by the sliding sliding rod, so that the stainless steel pipes of different specifications can be conveniently placed.
[0009] Further, the support fixing unit further comprises a hydraulic rod, a pressing frame, a linear motor, a support and a rotating roller, the linear motor has two and is fixed on the front and rear sides of the workbench respectively, the surfaces of the moving sub-stations of the linear motors are connected with the two ends of the support respectively, the top surfaces of the support are fixed with the hydraulic rods, the bottom ends of the hydraulic rods are connected with the top surfaces of the pressing frames, the rotating roller has two and is rotatably arranged in the grooves on the two sides of the top surface of the bracket, and the input ends of the hydraulic rods and the linear motor are electrically connected with the output end of the controller; the position of the pressing frame is adjusted by starting the linear motor, and the pressing frame is pressed down by the hydraulic rod to press and fix the stainless steel pipe, so as to prevent the stainless steel pipe from falling off during detection.
[0010] Further, it further comprises a rack and a defect camera, the rack has two and is fixed on the two sides of the top surface of the support respectively, the defect camera is placed in the rack, and the input end of the defect camera is electrically connected with the output end of the controller; the defect camera in the rack can detect the defects on the surface of the stainless steel pipe, and the rotating roller can drive the stainless steel pipe to turn over, so as to improve the detection accuracy.
[0011] Further, it further comprises a secondary sealing gasket and a primary sealing gasket, the sealing gasket is bonded to the left side of the clamping plate, and the primary sealing gasket is bonded to the right side of the fixed plate; the bonded secondary sealing gasket and primary sealing gasket can increase the sealing property of the connection between the two ends of the stainless steel pipe, so as to prevent the problem of air leakage during air tightness detection.
[0012] Further, it further comprises an audible and visual alarm, the audible and visual alarm is uniformly arranged on the left side of the fixed plate, the audible and visual alarm is arranged corresponding to the position of the mounting seat, the input end of the audible and visual alarm is electrically connected with the output end of the controller, and the audible and visual alarm can flash and alarm in time when the air tightness detection has a problem, so as to facilitate personnel to check.
[0013] Compared with the prior art, the stainless steel pipe air tightness detection equipment has the following advantages:
[0014] 1, by starting the motor drive screw rotation makes clamping plate fixed plate to clamp the two ends of the stainless steel pipe, air pump will gas delivery to the inside of the stainless steel pipe, the pressure sensor can be set to detect the pressure inside the stainless steel pipe, to determine the air tightness of stainless steel pipe.
[0015] 2, by rotating the runner drive screw rotation, cooperation sliding slide rod to adjust the height of the bracket, so as to facilitate the placement of different specifications of stainless steel pipe, start the linear motor to adjust the position of the pressure frame, hydraulic rod drive pressure frame down to the stainless steel pipe to prevent the problem of falling off in the detection process.
[0016] 3, by the defect camera inside the rack can detect the surface defects of the stainless steel pipe, the setting of the rotating roller can drive the stainless steel pipe to turn over, so as to improve the accuracy of detection. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a structural schematic diagram of the utility model;
[0018] Figure 2 is a workbench section structure schematic diagram of the utility model;
[0019] Figure 3 is a utility model Figure 2 A local enlarged structure schematic diagram.
[0020] In the drawing: 1 workbench, 2 support fixed unit, 21 bracket, 22 adjusting block, 23 adjusting groove, 24 slide rod, 25 runner, 26 screw, 27 hydraulic rod, 28 pressure frame, 29 linear motor, 210 support, 211 rotating roller, 3 fixed plate, 4 motor, 5 screw, 6 slide, 7 clamping plate, 8 air pump, 9 mounting seat, 10 pressure sensor, 11 rack, 12 defect camera, 13 secondary sealing gasket, 14 primary sealing gasket, 15 sound and light alarm, 16 controller. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0022] Please refer to Figures 1-3The embodiment provides a technical scheme: a stainless steel pipe air tightness detection equipment, including a workbench 1 and a clamping plate 7;
[0023] The workbench 1: the left side of the top is fixed with a fixed plate 3, the top of the workbench 1 is uniformly provided with a sliding groove 6, the right side of the workbench 1 is uniformly provided with a motor 4, the output shaft of the motor 4 is connected with the right side end of the lead screw 5, the bottom end of the clamping plate 7 is slidingly installed with the sliding groove 6, the screw hole on the surface of the clamping plate 7 is threadedly connected with the lead screw 5, the top right side of the workbench 1 is placed with a gas pump 8, the gas outlet pipe of the gas pump 8 is inserted with the through hole on the surface of the clamping plate 7, the left side of the fixed plate 3 is provided with a mounting seat 9 corresponding to the position of the clamping plate 7, the inside of the mounting seat 9 is threadedly installed with a pressure sensor 10, the top of the workbench 1 is provided with a supporting and fixing unit 2, the supporting and fixing unit 2 comprises a bracket 21, an adjusting block 22, an adjusting groove 23, a sliding rod 24, a rotating wheel 25 and a screw rod 26, the adjusting groove 23 is opened in the top of the workbench 1, the adjusting block 22 is slidingly connected in the inside of the adjusting groove 23, the sliding hole in the middle of the adjusting block 22 is slidingly installed with the sliding rod 24, the top end of the sliding rod 24 is connected with the middle of the bottom surface of the bracket 21, the rotating wheel 25 is rotatably installed in the groove on the right side of the top of the bracket 21, the bottom end of the rotating wheel 25 is connected with the top end of the screw rod 26, the screw rod 26 is threadedly connected with the screw hole on the surface of the adjusting block 22, rotating the rotating wheel 25 drives the screw rod 26 to rotate, and the height of the bracket 21 is adjusted in cooperation with the sliding sliding rod 24, so that different specifications of stainless steel pipes are conveniently placed, the supporting and fixing unit 2 further comprises a hydraulic rod 27, a pressing frame 28, a linear motor 29, a support 210 and a rotating roller 211, the linear motor 29 is two and is fixed on the front and rear sides of the workbench 1 respectively, the surface of the mover seat of the linear motor 29 is connected with the two ends of the support 210 respectively, the top of the support 210 is fixed with the hydraulic rod 27, the bottom end of the hydraulic rod 27 is connected with the top of the pressing frame 28, the rotating roller 211 is two and is rotatably installed in the grooves on the top of the bracket 21, the input end of the hydraulic rod 27 and the linear motor 29 is electrically connected with the output end of the controller 16, the position of the pressing frame 28 is adjusted by starting the linear motor 29, the pressing frame 28 is pressed down by the hydraulic rod 27 to press and fix the stainless steel pipe, so as to prevent the problem of falling off in the detection process;
[0024] The controller 16 is arranged on the top surface of the workbench 1, the input end of the motor 4 and the air pump 8 is electrically connected with the output end of the controller 16, the output end of the pressure sensor 10 is electrically connected with the input end of the controller 16, the input end of the controller 16 is electrically connected with the output end of the external power supply, the motor 4 is started to drive the screw rod 5 to rotate, the clamping plate 7 cooperates with the fixed plate 3 to clamp the two ends of the stainless steel pipe, the air pump 8 delivers gas into the stainless steel pipe, the pressure sensor 10 arranged can detect the pressure in the stainless steel pipe to judge the air tightness of the stainless steel pipe, the frame 11 and the defect camera 12 are arranged, the frame 11 is arranged on the two sides of the top surface of the support 210, the defect camera 12 is arranged in the frame 11, the input end of the defect camera 12 is electrically connected with the output end of the controller 16, the defect camera 12 in the frame 11 can detect the defect on the surface of the stainless steel pipe, the rotating roller 211 can drive the stainless steel pipe to rotate to improve the detection accuracy, the auxiliary sealing gasket 13 and the main sealing gasket 14 are arranged, the auxiliary sealing gasket 13 is bonded to the left side of the clamping plate 7, the main sealing gasket 14 is bonded to the right side of the fixed plate 3, the auxiliary sealing gasket 13 and the main sealing gasket 14 can increase the sealing performance of the connection between the two ends of the stainless steel pipe to prevent the problem of air leakage in the air tightness detection process, the sound and light alarm 15 is arranged on the left side of the fixed plate 3, the sound and light alarm 15 is arranged corresponding to the mounting seat 9, the input end of the sound and light alarm 15 is electrically connected with the output end of the controller 16, and the sound and light alarm 15 can flash and alarm in time when the air tightness detection has a problem, so that personnel can check conveniently.
[0025] The working principle of the stainless steel pipe air tightness detection equipment is as follows: first, the adjusting block 22 is slid in the adjusting groove 23 according to the specification of the stainless steel pipe, the rotating roller 25 drives the screw rod 26 to rotate to adjust the height of the bracket 21, then the linear motor 29 is started to drive the support 210 to move, at this time, the defect camera 12 in the frame 11 can detect the defect on the surface of the stainless steel pipe, and the rotating roller 211 can drive the stainless steel pipe to rotate to improve the detection accuracy, when the outer side of the stainless steel pipe is detected, the hydraulic rod 27 is started to drive the pressing frame 28 to press down to press and fix the stainless steel pipe, then the motor 4 is started to drive the screw rod 5 to rotate, the clamping plate 7 cooperates with the fixed plate 3 to clamp the two ends of the stainless steel pipe, the air pump 8 delivers gas into the stainless steel pipe, the pressure sensor 10 arranged can detect the pressure in the stainless steel pipe to judge the air tightness of the stainless steel pipe, the auxiliary sealing gasket 13 and the main sealing gasket 14 can increase the sealing performance of the connection between the two ends of the stainless steel pipe to prevent the problem of air leakage in the air tightness detection process, finally, the sound and light alarm 15 can flash and alarm in time when the air tightness detection has a problem, so that personnel can check conveniently.
[0026] It is worth noting that the controller 16 disclosed in the above embodiment is selected as model S7-200, the pressure sensor 10 can be freely configured according to the actual application scene, and the pressure sensor with model WJ131 is recommended to be selected, the defect camera 12 can be selected as model CP70-16-M-148, and the sound-light alarm 15 can be selected as model KXB127-T. The controller 16 controls the hydraulic rod 27, the linear motor 29, the motor 4, the air pump 8, the pressure sensor 10, the defect camera 12 and the sound-light alarm 15 to work by using the method commonly used in the prior art.
[0027] The above description is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation obtained by using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.
Claims
1. A stainless steel pipe air tightness detection device, characterized by: It include workbench (1) and clamping plate (7); The workbench (1) is provided with a fixed plate (3) on the left side of the top surface, and a plurality of sliding grooves (6) are uniformly arranged on the top surface of the workbench (1), a motor (4) is installed on the right side of the workbench (1), the output shaft of the motor (4) is connected with the right side end of a lead screw (5), the bottom end of the clamping plate (7) is slidably installed in the sliding groove (6), the screw hole on the surface of the clamping plate (7) is threadedly connected with the lead screw (5), an air pump (8) is placed on the right side of the top surface of the workbench (1), the air outlet pipe of the air pump (8) is inserted into the through hole on the surface of the clamping plate (7), the left side surface of the fixed plate (3) is provided with a mounting seat (9) corresponding to the position of the clamping plate (7), a pressure sensor (10) is threadedly installed in the mounting seat (9), and a support fixing unit (2) is arranged on the top surface of the workbench (1). The support fixing unit (2) comprises a bracket (21), an adjusting block (22), an adjusting groove (23), a sliding rod (24), a rotating wheel (25) and a screw rod (26), the adjusting groove (23) is arranged on the top surface of the workbench (1), the adjusting block (22) is slidably connected in the adjusting groove (23), the sliding rod (24) is slidably installed in the sliding hole in the middle of the adjusting block (22), the top end of the sliding rod (24) is connected with the middle of the bottom surface of the bracket (21), the rotating wheel (25) is rotatably installed in the groove on the right side of the top surface of the bracket (21), the bottom end of the rotating wheel (25) is connected with the top end of the screw rod (26), and the screw rod (26) is threadedly connected with the screw hole on the surface of the adjusting block (22).
2. The equipment for detecting the gas tightness of a stainless steel pipe according to claim 1, characterized in that: The support fixing unit (2) further comprises a hydraulic rod (27), a pressing frame (28), a linear motor (29), a support (210) and a rotating roller (211), the linear motor (29) is arranged on the front and rear sides of the workbench (1), the surface of the mover seat of the linear motor (29) is connected with the two ends of the support (210), the hydraulic rod (27) is fixed on the top surface of the support (210), the bottom end of the hydraulic rod (27) is connected with the top surface of the pressing frame (28), the rotating roller (211) is rotatably installed in the groove on the two sides of the top surface of the bracket (21), and the input ends of the hydraulic rod (27) and the linear motor (29) are electrically connected with the output end of the controller (16).
3. The apparatus for detecting the gas tightness of a stainless steel pipe according to claim 2, characterized by: The workbench (1) further comprises a rack (11) and a defect camera (12), the rack (11) is arranged on the two sides of the top surface of the support (210), the defect camera (12) is arranged in the rack (11), and the input end of the defect camera (12) is electrically connected with the output end of the controller (16).
4. The apparatus for detecting the gas tightness of a stainless steel pipe according to claim 3, characterized by: 5. The apparatus for detecting the gas tightness of a stainless steel pipe according to claim 1, characterized by: Also include the secondary sealing gasket (13) and the main sealing gasket (14), the sealing gasket (13) is bonded in the left side of the clamping plate (7), the main sealing gasket (14) is bonded in the right side of the fixed plate (3).
6. The apparatus for detecting the gas tightness of a stainless steel pipe according to claim 1, characterized by: Also include the sound light alarm (15), the sound light alarm (15) is uniformly installed in the left side of the fixed plate (3), the sound light alarm (15) is arranged with the position of the mounting seat (9), the input end of the sound light alarm (15) is electrically connected with the output end of the controller (16).