Pump mechanical seal production supervision system

Abstract

The invention provides a pump mechanical seal production supervision system, which comprises a rack, a plurality of groups of conveyor belts are symmetrically arranged on the rack, a placement seat is placed above the conveyor belts, a placement groove for placing workpieces is formed in the placement seat, a first mounting frame is mounted on the rack, and a second mounting frame is mounted on the first mounting frame. An electric telescopic rod is mounted on the first mounting frame, a mounting seat is mounted at the bottom of the electric telescopic rod, a test assembly is arranged on the mounting seat, the test assembly comprises two mounting shafts movably arranged on the mounting seat, an annular plate is mounted at the bottom of each mounting shaft, a lifting table is arranged under the mounting seat, and the lifting table is connected with the electric telescopic rod. According to the mechanical sealing element detection device, the problems that after mechanical sealing elements are produced, certain errors exist in existing manual detection, and meanwhile the detection process of the sealing elements cannot be supervised and managed are solved.

Description

Technical Field

[0001] The invention relates to the field of mechanical seals, and in particular to a production monitoring system for mechanical seals for pumps. Background Art

[0002] Mechanical seal refers to a device that prevents fluid leakage by at least one pair of end faces perpendicular to the axis of rotation, which are kept in contact and slide relative to each other under the action of fluid pressure and the elastic force (or magnetic force) of the compensation mechanism and the cooperation of the auxiliary seal. The auxiliary seal of the compensation ring is a metal bellows, which is called a bellows mechanical seal. Mechanical seals are one of the basic mechanical components with precision and complex structure, and are key components of various pumps, reaction synthesis kettles, turbine compressors, submersible motors and other equipment.

[0003] After the mechanical seal is produced, the inner diameter size of the seal needs to be inspected. In the prior art, it is generally done manually with a standard caliper. The mechanical seal to be inspected is inspected and measured sequentially with the standard caliper. The workload is large, and there are certain errors in manual inspection. At the same time, the inspection process of the seal cannot be supervised and managed.

[0004] Therefore, it is necessary to provide a new pump mechanical seal production supervision system to solve the above technical problems. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a production supervision system for mechanical seals for pumps, which solves the problem that after the production of mechanical seals is completed, the existing manual inspection has certain errors and the inspection process of the seals cannot be supervised and managed.

[0006] The pump mechanical seal production monitoring system provided by the present invention comprises a frame, wherein a plurality of conveyor belts are symmetrically arranged on the frame, a storage seat is placed above the conveyor belt, a storage slot for placing workpieces is provided on the storage seat, a first mounting frame is installed on the frame, an electric telescopic rod is installed on the first mounting frame, a mounting seat is installed at the bottom of the electric telescopic rod, and a test assembly is arranged on the mounting seat; A lifting platform is arranged directly below the mounting seat.

[0007] In a preferred embodiment, the test assembly includes two mounting shafts movably arranged on the mounting seat, a ring plate is installed at the bottom of the mounting shaft, a receiving groove is opened on the ring plate, two top shafts are penetrated on the ring plate, a limit plate is installed on the top shaft, a top ring is sleeved on the limit plate, a monitoring spring is sleeved on the top shaft, one end of the monitoring spring is fixed on the top ring, and the other end of the monitoring spring is fixed on the ring plate, a pressure sensor is arranged between the top ring and the ring plate, and the pressure sensor is electrically connected to an external buzzer through a PLC controller.

[0008] In a preferred embodiment, worm gears are installed on the tops of the two mounting shafts, a first limit seat is installed on the mounting seat, a transmission shaft is movably arranged on the first limit seat, worms are connected to both ends of the transmission shaft, and the two worms are respectively meshed with the two worm gears.

[0009] In a preferred embodiment, an electromagnet is disposed on the surface of the lifting platform, and a steel sheet is fixed to the bottom of the storage seat, so that the storage seat can be stably fixed on the surface of the lifting platform through the electromagnet.

[0010] In a preferred embodiment, a gantry is provided below the frame, a threaded sleeve is movably provided on the gantry via a bearing, a threaded push rod is threadedly connected to the threaded sleeve, and the top of the threaded push rod is fixed to the bottom of the lifting platform.

[0011] In a preferred embodiment, a first bevel gear is installed on the threaded sleeve, a second limit seat is installed on the gantry, a rotating shaft is movably provided on the second limit seat, a second bevel gear is installed on the rotating shaft, and the second bevel gear is meshed with the first bevel gear.

[0012] In a preferred embodiment, the surface of the threaded mandrel is galvanized.

[0013] In a preferred embodiment, the worm and the rotating shaft both use electric motors as power sources.

[0014] In a preferred embodiment, a second mounting frame is disposed on one side of the first mounting frame, the bottom of the second mounting frame is fixed to the frame, and an industrial camera is mounted on the second mounting frame.

[0015] In a preferred embodiment, a first sliding column is provided through the first mounting frame, and the bottom of the first sliding column is fixed on the mounting seat; A second sliding column is fixed on the gantry, and the second sliding column passes through both sides of the bottom of the lifting platform.

[0016] Beneficial effects of the present invention: 1. When the lifting platform is separated from the conveyor belt, the electric telescopic rod starts to drive the mounting seat to move down until the ring plate enters the inner side of the workpiece. At this time, the motor is started to drive the two mounting shafts to rotate. When the inner side of the workpiece is unevenly processed, the force of the monitoring spring will change and be fed back to the pressure sensor between the limit plate and the top ring. The pressure sensor transmits the signal to the PLC controller that plays a monitoring role, and then the PLC controller transmits the signal to the buzzer to remind the staff to recycle the defective products; 2. When this monitoring system is used, after the seal is placed, under the action of the conveyor belt, when the storage seat moves to the bottom of the mounting seat, the motor starts, and under the transmission of the threaded sleeve, the threaded push rod moves forward, so that the lifting platform moves upward and separates from the conveyor belt, and when the lifting platform contacts the bottom of the storage seat, the electromagnet starts to adsorb the lifting platform to prevent the storage seat from moving during detection and affecting the detection effect; 3. After the inner wall test of the workpiece is completed, the workpiece will be driven to the bottom of the second mounting bracket by the conveyor belt. At this time, the industrial camera will take a picture of the workpiece surface. After the shooting is completed, the industrial camera will transmit the image data to the computer for analysis and mark the abnormal areas in the image. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The main structure of the pump mechanical seal production supervision system provided by the present invention is a three-dimensional view Figure 1 ; Figure 2 for Figure 1 A schematic diagram of the enlarged structure of shown; Figure 3 The main structure of the pump mechanical seal production supervision system provided by the present invention is a three-dimensional view Figure 2 ; Figure 4 A front view of the main structure of the pump mechanical seal production monitoring system provided by the present invention; Figure 5 A schematic diagram of the structure of the ring plate provided by the present invention; Figure 6 A side view of the main structure of the pump mechanical seal production monitoring system provided by the present invention; Figure 7 The present invention provides a flow chart of the pump mechanical seal production supervision system.

[0018] Numbers in the figure: 1. frame; 2. conveyor belt; 3. storage seat; 4. storage slot; 5. first mounting bracket; 6. electric telescopic rod; 7. mounting seat; 8. lifting platform; 9. mounting shaft; 10. ring plate; 11. receiving slot; 12. top shaft; 13. limit plate; 14. top ring; 15. monitoring spring; 16. worm gear; 17. first limit seat; 18. transmission shaft; 19. worm; 20. electromagnet; 21. gantry; 22. threaded sleeve; 23. threaded top rod; 24. first bevel gear; 25. second limit seat; 26. rotating shaft; 27. second bevel gear; 28. industrial camera; 29. ​​first slide column; 30. second slide column; 31. second mounting bracket. DETAILED DESCRIPTION

[0019] The present invention will be further described below in conjunction with the accompanying drawings and implementation modes.

[0020] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 as well as Figure 7 ,in Figure 1 The main structure of the pump mechanical seal production supervision system provided by the present invention is a three-dimensional view Figure 1 ; Figure 2 for Figure 1 A schematic diagram of the enlarged structure of shown; Figure 3 The main structure of the pump mechanical seal production supervision system provided by the present invention is a three-dimensional view Figure 2 ; Figure 4 A front view of the main structure of the pump mechanical seal production monitoring system provided by the present invention; Figure 5 A schematic diagram of the structure of the ring plate provided by the present invention; Figure 6 A side view of the main structure of the pump mechanical seal production monitoring system provided by the present invention; Figure 7 The present invention provides a flow chart of the pump mechanical seal production supervision system.

[0021] In the specific implementation process, Figure 1-Figure 7 As shown, it includes a frame 1, and several groups of conveyor belts 2 are symmetrically arranged on the frame 1. A storage seat 3 is placed above the conveyor belt 2, and a storage slot 4 for placing the workpiece is opened on the storage seat 3. When the present monitoring system is used, the staff only needs to put the workpiece to be inspected into the storage slot 4. The workpiece can be fixed by the elastic soft pad inside the storage slot 4. Under the action of the transmission belt 2, the storage seat 3 can be moved to the bottom of the mounting seat 7.

[0022] A first mounting frame 5 is installed on the frame 1, and an electric telescopic rod 6 is installed on the first mounting frame 5. A mounting seat 7 is installed at the bottom of the electric telescopic rod 6, and a test assembly is arranged on the mounting seat 7. The test assembly includes two mounting shafts 9 movably arranged on the mounting seat 7, a ring plate 10 is installed at the bottom of the mounting shaft 9, and a receiving groove 11 is opened on the ring plate 10. Two top shafts 12 are penetrated through the ring plate 10, and a limit plate 13 is installed on the top shaft 12. A top ring 14 is sleeved on the limit plate 13, and a monitoring spring 15 is sleeved on the top shaft 12. One end of the monitoring spring 15 is fixed on the top ring 14, and the other end of the monitoring spring 15 is fixed on the ring plate 10. A pressure sensor is arranged between the top ring 10 and the ring plate 14, and the pressure sensor is electrically connected to an external buzzer through a PLC controller.

[0023] A lifting platform 8 is arranged directly below the mounting seat 7, and an electromagnet 20 is arranged on the surface of the lifting platform 8. A steel sheet is fixed at the bottom of the storage seat 3. The storage seat 3 can be firmly fixed on the surface of the lifting platform 8 by the electromagnet 20. When the storage seat 3 moves to the bottom of the mounting seat 7, the motor starts to drive the rotating shaft 26 to rotate. Under the transmission action of the first bevel gear 24 and the second bevel gear 27, the threaded sleeve 22 will be driven to rotate. Under the transmission of the threaded sleeve 22, the threaded push rod 23 will move toward, so that the lifting platform 8 moves upward and separates from the conveyor belt 2, and when the lifting platform 8 contacts the bottom of the storage seat 3, the electromagnet 20 starts to adsorb the lifting platform 20.

[0024] A worm gear 16 is installed on the top of the two mounting shafts 9, a first limit seat 17 is installed on the mounting seat 7, a transmission shaft 18 is movably arranged on the first limit seat 17, and worms 19 are connected to both ends of the transmission shaft 18. The two worms 19 are respectively meshed with the two worm gears 16, and the worms 19 and the rotating shaft 26 both use motors as power sources.

[0025] A gantry 21 is arranged below the frame 1, and a threaded sleeve 22 is movably arranged on the gantry 21 through a bearing, a threaded push rod 23 is threadedly connected to the threaded sleeve 22, and the surface of the threaded push rod 23 is galvanized to increase its service life. The top of the threaded push rod 23 is fixed to the bottom of the lifting platform 8, and a first bevel gear 24 is installed on the threaded sleeve 22. A second limit seat 25 is installed on the gantry 21, and a rotating shaft 26 is movably arranged on the second limit seat 25. A second bevel gear 27 is installed on the rotating shaft 26, and the second bevel gear 27 is meshed with the first bevel gear 24.

[0026] A second mounting frame 31 is provided on one side of the first mounting frame 5, and the bottom of the second mounting frame 31 is fixed on the frame 1. An industrial camera 28 is installed on the second mounting frame 31. When the lifting platform 8 is separated from the conveyor belt 2, the electric telescopic rod 6 starts to drive the mounting seat 7 to move downward until the ring plate 10 enters the inner side of the workpiece. At this time, the motor is started to drive the two worms 19 to rotate. Under the transmission action of the worm 19 and the worm wheel 16, the two mounting shafts 9 are driven to rotate. When the inner side of the workpiece is unevenly processed, the force on the monitoring spring 15 will change and be fed back to the pressure sensor between the limit plate 13 and the top ring 14. The pressure sensor transmits the signal to the PLC controller that plays a monitoring role, and then the PLC controller transmits the signal to the buzzer to remind the staff to recycle the defective products; When the inner wall test of the workpiece is completed, the workpiece will be driven to the bottom of the second mounting bracket 31 by the conveyor belt 2. At this time, the industrial camera 28 will take a picture of the workpiece surface. After the shooting is completed, the industrial camera will transmit the image data to the computer for analysis and mark the abnormal areas in the image.

[0027] A first slide column 29 is provided on the first mounting frame 5 , and the bottom of the first slide column 29 is fixed on the mounting seat 7 . A second slide column 30 is fixed on the gantry 21 , and the second slide column 30 passes through both sides of the bottom of the lifting platform 8 to increase the stability of the movement of the mounting seat 7 and the lifting platform 8 .

[0028] Working principle of the present invention: When the monitoring system is used, the staff only needs to put the workpiece to be inspected into the storage slot 4, and the workpiece can be fixed by the elastic cushion inside the storage slot 4. Under the action of the transmission belt 2, the storage seat 3 can be moved to the bottom of the mounting seat 7; When the storage seat 3 moves to the bottom of the mounting seat 7, the motor starts to drive the rotating shaft 26 to rotate, and the threaded sleeve 22 is driven to rotate under the transmission action of the first bevel gear 24 and the second bevel gear 27. Under the transmission of the threaded sleeve 22, the threaded push rod 23 moves forward, so that the lifting platform 8 moves upward and separates from the conveyor belt 2, and when the lifting platform 8 contacts the bottom of the storage seat 3, the electromagnet 20 starts to adsorb the lifting platform 20; When the lifting platform 8 is separated from the conveyor belt 2, the electric telescopic rod 6 starts to drive the mounting seat 7 to move downward until the ring plate 10 enters the inner side of the workpiece. At this time, the motor is started to drive the two worms 19 to rotate. Under the transmission action of the worm 19 and the worm wheel 16, the two mounting shafts 9 are driven to rotate. When the inner side of the workpiece is unevenly processed, the force on the monitoring spring 15 will change and be fed back to the pressure sensor between the limit plate 13 and the top ring 14. The pressure sensor transmits the signal to the PLC controller that plays a monitoring role, and then the PLC controller transmits the signal to the buzzer to remind the staff to recycle the defective products. When the inner wall test of the workpiece is completed, the workpiece will be driven to the bottom of the second mounting bracket 31 by the conveyor belt 2. At this time, the industrial camera 28 will take a picture of the workpiece surface. After the shooting is completed, the industrial camera will transmit the image data to the computer for analysis and mark the abnormal areas in the image.

[0029] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0030] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A production monitoring system for a pump mechanical seal, comprising a frame (1), wherein a plurality of groups of conveyor belts (2) are symmetrically arranged on the frame (1), characterized in that: A storage seat (3) is placed above the conveyor belt (2), and a storage slot (4) for placing workpieces is provided on the storage seat (3); a first mounting frame (5) is installed on the frame (1), and an electric telescopic rod (6) is installed on the first mounting frame (5); a mounting seat (7) is installed at the bottom of the electric telescopic rod (6), and a test assembly is arranged on the mounting seat (7); A lifting platform (8) is arranged directly below the mounting seat (7).

2. The pump mechanical seal production supervision system according to claim 1 is characterized in that: The test assembly comprises two mounting shafts (9) movably arranged on the mounting seat (7), a ring plate (10) being installed at the bottom of the mounting shaft (9), a receiving groove (11) being provided on the ring plate (10), two top shafts (12) being provided through the ring plate (10), a limit plate (13) being installed on the top shaft (12), a top ring (14) being sleeved on the limit plate (13), a monitoring spring (15) being sleeved on the top shaft (12), one end of the monitoring spring (15) being fixed on the top ring (14), and the other end of the monitoring spring (15) being fixed on the ring plate (10), a pressure sensor being provided between the top ring (10) and the ring plate (14), and the pressure sensor being electrically connected to an external buzzer via a PLC controller.

3. The pump mechanical seal production supervision system according to claim 2 is characterized in that: A worm gear (16) is mounted on the top of each of the two mounting shafts (9); a first limit seat (17) is mounted on the mounting seat (7); a transmission shaft (18) is movably mounted on the first limit seat (17); both ends of the transmission shaft (18) are connected to a worm (19); and the two worms (19) are respectively meshed with the two worm gears (16).

4. The pump mechanical seal production supervision system according to claim 3 is characterized in that: An electromagnet (20) is provided on the surface of the lifting platform (8), and a steel sheet is fixed to the bottom of the storage seat (3); the storage seat (3) can be stably fixed on the surface of the lifting platform (8) by means of the electromagnet (20).

5. The pump mechanical seal production supervision system according to claim 4, characterized in that: A gantry (21) is provided below the frame (1), a threaded sleeve (22) is movably provided on the gantry (21) via a bearing, a threaded push rod (23) is threadedly connected to the threaded sleeve (22), and the top of the threaded push rod (23) is fixed to the bottom of the lifting platform (8).

6. The pump mechanical seal production supervision system according to claim 5, characterized in that: A first bevel gear (24) is mounted on the threaded sleeve (22), a second limit seat (25) is mounted on the gantry (21), a rotating shaft (26) is movably arranged on the second limit seat (25), a second bevel gear (27) is mounted on the rotating shaft (26), and the second bevel gear (27) is meshed with the first bevel gear (24).

7. The pump mechanical seal production monitoring system according to claim 6, characterized in that: The surface of the threaded push rod (23) is galvanized.

8. The pump mechanical seal production monitoring system according to claim 7, characterized in that: The worm (19) and the rotating shaft (26) both use an electric motor as a power source.

9. The pump mechanical seal production monitoring system according to claim 8, characterized in that: A second mounting frame (31) is provided on one side of the first mounting frame (5); the bottom of the second mounting frame (31) is fixed on the frame (1); and an industrial camera (28) is mounted on the second mounting frame (31).

10. The pump mechanical seal production monitoring system according to claim 9, characterized in that: A first sliding column (29) is provided through the first mounting frame (5), and the bottom of the first sliding column (29) is fixed on the mounting seat (7); A second sliding column (30) is fixed on the gantry (21), and the second sliding column (30) passes through two sides of the bottom of the lifting platform (8).

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