CN108747319A - Inlet valve device for screwing up - Google Patents

Abstract

The invention discloses a water inlet valve tightening device. The tightening device is installed on the workbench of the work cabinet. The tightening device includes a workbench mounting plate, a vertical propulsion component, a horizontal propulsion component and a rotary transmission component. The water inlet valve is placed on the lower fixture; one side of the workbench mounting plate is installed with For the lower fixture, a horizontal propulsion assembly is installed on the other side of the workbench mounting plate, a fixed bracket is installed on the workbench installation plate above the lower fixture, a vertical propulsion assembly is installed on the fixed bracket, and the workbench installation plate below the lower fixture A rotary transmission assembly is installed at the bottom. The invention overcomes the difficulty of tightening the circular joint and makes up for the defect of easy scratches, realizes the automatic tightening and adjustment of the water inlet valve, is convenient for clamping, and is safe for testing.

Description

Inlet valve tightening device

technical field

The invention relates to a tightening device, in particular to a water inlet valve tightening device.

Background technique

The water inlet valve is an important component commonly used in many industries, and it is very important for enterprises to tighten the water valve and water pump. If it is not tightened, it will cause liquid leakage and loss. If it is too tight, it will cause damage to the water inlet valve. Especially for circular joints, many companies have no suitable way to complete the tightening work well. The method of increasing the holding force is adopted, but the method of increasing the holding force is easy to scratch the joint, so a simple, safe and accurate emergency device and tightening method for the water inlet valve is developed and designed, which is to improve the water inlet valve. Effective approach to valve quality.

Contents of the invention

In order to overcome the difficulty of tightening the circular joint and improve work efficiency, the purpose of the present invention is to provide a water inlet valve tightening device.

The technical scheme adopted in the present invention is:

The tightening device is installed on the workbench of the work cabinet. The tightening device includes a workbench mounting plate, a vertical propulsion assembly, a horizontal propulsion assembly and a rotary transmission assembly. The water inlet valve is placed on the lower fixture; on one side of the workbench mounting plate The lower fixture is installed, and the other side of the workbench installation plate is installed with a horizontal propulsion assembly. The workbench installation plate above the lower fixture is installed with a fixed bracket. A rotary transmission assembly is mounted on the bottom of the mounting plate.

The vertical propulsion assembly includes a clamping cylinder, a fixed bracket, a vertical guide rail, a fixed clamp block and an upper fixture; the lower fixture is fixed on the working plate, and the water inlet valve is placed on the lower fixture, and the working plate is fixed on the working plate through the four-corner columns. On the table mounting plate, the working plate above the lower fixture is fixed with a fixed bracket, and the clamping cylinder is fixed on the top of the fixed bracket. The cylinder rod of the clamping cylinder faces downward and is fixedly connected with a fixed clamp block, which is fixed on the upper clamp In the central hole of the fixed bracket, there are vertical guide rails between the two sides of the fixed bracket and the working plate, and the two sides of the upper clamp and the lower clamp are connected with the vertical guide rails to form a sliding pair; the clamping cylinder pushes the fixed clamp block and the upper clamp along the vertical The guide rail lifts up and down, and the water inlet valve is vertically fixed between the upper and lower clamps.

The horizontal propulsion assembly includes a horizontal guide rail, a sliding cylinder, a buffer, a bottom plate, a fixed table, a fixed frame, a floating joint, a horizontal propulsion servo motor, a horizontal propulsion reducer, a connector and a square sleeve; the bottom plate is fixed on the workbench and installed On the bottom plate, a horizontal guide rail is installed on the side close to the lower fixture, and the bottom of the fixed table is embedded on the horizontal guide rail and moves along the horizontal guide rail; on the bottom plate, a fixed frame is installed on the side close to the lower fixture, and a slide is fixed on the fixed frame. Cylinder, the output rod of the sliding cylinder faces the direction of the lower fixture, the output rod of the sliding cylinder is fixedly connected to the bottom side of the fixed table through the second shaft, and the second shaft is equipped with a floating joint; there is a buffer on the side of the bottom plate near the lower fixture , the buffer is fixed on the mounting plate of the workbench, and the buffer is used to stop the horizontal movement of the fixed table to limit and buffer; the horizontal propulsion servo motor is fixed on the upper part of the fixed table, and the output shaft of the horizontal propulsion servo motor passes through the horizontal propulsion reducer and The first shaft is coaxially connected, the first shaft is horizontally installed on the top of the fixed table, the first shaft is equipped with a connector, and the end of the first shaft is fixed with a square sleeve; the sliding cylinder drives the fixed table horizontally along the horizontal guide rail Moving, the movement of the fixed table drives the square sleeve to move horizontally to the horizontal water inlet of the water inlet valve, and the horizontal water inlet of the water inlet valve is tightened by driving the square sleeve to rotate through the horizontal propulsion servo motor.

The rotation transmission assembly includes a rotation transmission servo motor, a pneumatic chuck, a circular sleeve, an upper splint, a lower splint and a rotation transmission reducer; the upper splint and the lower splint are passed through four shafts and sleeves arranged at the four corners. The spring on the shaft is elastically connected, and the center of the bottom surface of the lower splint is installed with a rotary transmission reducer and a rotary transmission servo motor. The rotary transmission servo motor faces upward and is connected with the lower end of the third shaft through the rotary transmission reducer. The pneumatic chuck is fixed on On the top surface of the upper splint, the upper end of the third shaft passes upward through the lower splint, the upper splint, the pneumatic chuck and the circular sleeve and is coaxially connected; the circular sleeve is driven by the rotary transmission servo motor to rotate to the vertical water inlet of the water inlet valve. Tight work.

The servo motors in the horizontal propulsion assembly and the rotary transmission assembly, the slide cylinder in the horizontal propulsion assembly, and the clamping cylinder of the vertical propulsion assembly are all connected to the computer through PLC.

The circular sleeve has a circular joint corresponding to the clamping surface, and a pneumatic chuck is used to increase the clamping force.

The contact surface of the circular sleeve is made of soft material to avoid damage to the valve body.

The pneumatic chuck is driven by a spring to move up and down.

The work cabinet below the work table is provided with a first start key, a stop key and a second start key, the work cabinet is provided with a touch screen, and the work cabinet is provided with qualified lamps, power switches and unqualified lamps.

The present invention has the beneficial effect compared with prior art:

1. The present invention adopts a vertical operating table structure, which is easy to operate, maintain and improve, and uses a PLC controller to realize fully automatic control of the testing process.

2. The safety of the present invention is very high. In order to prevent workers from being pinched when their hands stay on the tooling, a start button is set on the left and right sides. The worker must press the start button with both hands to start the device; at the same time, a light curtain is added to the tightening work area The automatic sensing function further checks whether the worker takes his hands away. Only when the PLC receives the double start signal and the light curtain does not sense any abnormal situation, does the tightening work begin.

3. For water inlet valves of different sizes, different types of water inlet valves can be tightened by replacing the square sleeve.

4. For water inlet valves with different materials, different parameters can be set through the touch screen, such as torque, tightening speed and other parameters, so that better quality water inlet valves can be obtained to meet the needs of enterprises.

5. For the clamping surface of the water pump connection is a circular joint, a clamping device is added on the top of the tightening shaft, and a special pneumatic chuck fixture is used. Since the spring is installed under the pneumatic chuck, the tightening device can go upward with the tightening of the joint move so it doesn't scratch the joint.

Description of drawings

Figure 1 is a front view of the present invention.

FIG. 2 is a side view of FIG. 1 .

Fig. 3 is a front view of the tightening device of the present invention.

FIG. 4 is a side view of FIG. 3 .

Fig. 5 is a perspective view of the tightening device of the present invention.

Fig. 6 is a perspective view of the vertical rotation assembly of the present invention.

Fig. 7 is a front view of the horizontal propulsion assembly and the horizontal rotation assembly of the present invention.

Fig. 8 is a perspective view of the square sleeve of the horizontal rotation assembly of the present invention.

In the figure: 1. The first start button, 2. Stop button, 3. The second start button, 4. Tightening device, 5. Touch screen, 6. Qualified light, 7. Power switch, 8. Unqualified light, 9. Work Table top, 10. Lower splint, 11. Spring, 12. Upper splint, 13. Workbench mounting plate, 14. Pneumatic chuck, 15. Fixed bracket, 16. Vertical guide rail, 17. Upper clamp, 18. Clamping cylinder , 19. Fixed clamp block, 20. Square sleeve, 21. First shaft, 22. Connector, 23. Fixed table, 24. Horizontal propulsion reducer, 25. Horizontal propulsion servo motor, 26. Slide cylinder, 27. Floating joint, 28. horizontal guide rail, 29. buffer, 30. spring, 31. rotary transmission reducer, 32. rotary transmission servo motor, 33. spring, 34. spring, 35. working plate, 36. water inlet valve, 37. base plate, 38. column, 39. fixed frame, 40. lower fixture, 41. second shaft, 42. circular sleeve, 43. third shaft.

Detailed ways

The present invention will be further described below in conjunction with drawings and embodiments.

As shown in Fig. 1 and Fig. 2, the tightening device 4 of the present invention is installed on the worktable 9 of the work cabinet, and the tightening device 4 includes a workbench mounting plate 13, a vertical propulsion assembly, a horizontal propulsion assembly and a rotary transmission assembly, and a water inlet valve 36 Placed on the lower clamp 40; the lower clamp 40 is installed on one side of the workbench mounting plate 13, and the horizontal propulsion assembly is installed on the other side on the workbench mounting plate 13, on the workbench mounting plate 13 above the lower clamp 40 A fixed bracket 15 is installed, a vertical propulsion assembly is installed on the fixed bracket 15, and a rotary transmission assembly is installed at the bottom of the workbench mounting plate 13 below the lower clamp 40 .

The water inlet valve 36 is vertically fixed on the lower fixture 40 by the vertical propulsion assembly. The upper surface of the lower fixture 40 is provided with a groove structure matching the bottom surface of the water inlet valve 36 , so that the water inlet valve 36 can be positioned on the lower fixture 40 by itself.

As shown in Figure 1, the work cabinet below the work surface 9 is provided with a first start key 1, a stop key 2 and a second start key 3, the work cabinet is provided with a touch screen 5, and the work cabinet is provided with a qualified lamp 6, a power switch 7 and Substandard lamps8. There is a touch screen 5 on the upper right of the tightening device 4, and there are qualified indicator lights 6, unqualified indicator lights 8 and a main power switch 7 on the lower side of the touch screen 5; key1.

As shown in Figure 3, Figure 4, and Figure 5, the vertical propulsion assembly includes a clamping cylinder 18, a fixed bracket 15, a vertical guide rail 16, a fixed clamp block 19 and an upper clamp 17; the lower clamp 40 is fixed on the working plate 35, and the lower clamp 40 Water inlet valve 36 is placed on fixture 40, and work plate 35 is fixed on the workbench mounting plate 13 by the column of four corners, and work plate 35 above lower fixture 40 is fixedly installed fixing support 15, and clamping cylinder 18 is fixed on by four screw holes. On the top of the fixed bracket 15, the cylinder rod of the clamping cylinder 18 faces down and is fixedly connected with a fixed clamp block 19. The fixed clamp block 19 is fixedly set in the center hole of the upper clamp 17, and the two sides of the fixed bracket 15 and the working plate 35 There is a vertical guide rail 16 between them, and the two sides of the upper clamp 17 and the lower clamp 40 are connected with the vertical guide rail 16 to form a sliding pair; the clamping cylinder 18 pushes the fixed clamp block 19 and the upper clamp 17 up and down along the vertical guide rail 16, and the upper clamp 17 moves down smoothly to the water inlet valve 36, and the water inlet valve 36 is vertically fixed between the upper clamp 17 and the lower clamp 40.

As shown in Figure 3, Figure 5, and Figure 7, the horizontal propulsion assembly includes a horizontal guide rail 28, a sliding cylinder 26, a buffer 29, a bottom plate 37, a fixed table 23, a fixed frame 39, a floating joint 27, a horizontal propulsion servo motor 25, a horizontal Propel reducer 24, connector 22 and square sleeve 20; base plate 37 is fixed on the workbench mounting plate 13, a horizontal guide rail 28 is installed on the side of the base plate 37 close to the lower fixture 40, and the bottom of the fixed table 23 is embedded in the horizontal guide rail 28 and move along the horizontal guide rail 28; a fixed frame 39 is installed on the bottom plate 37 near the side of the lower clamp 40, and a sliding cylinder 26 is fixed on the fixed frame 39, and the output rod of the sliding cylinder 26 faces the direction of the lower clamp 40, and the sliding cylinder 26 The output rod is fixedly connected to the bottom side of the fixed table 23 through the second shaft 41, and the second shaft 41 is equipped with a floating joint 27; a buffer 29 is arranged on the side of the bottom plate 37 near the side of the lower clamp 40, and the buffer 29 is fixed on the working On the table mounting plate 13, the buffer 29 is used to stop the horizontal movement of the fixed table 23 to limit and buffer; the horizontally propelled servo motor 25 is fixed on the top of the fixed table 23, and the output shaft of the horizontally propelled servo motor 25 passes through the horizontally propelled reducer 24 is coaxially connected with the first shaft 21, the first shaft 21 is horizontally installed on the top of the fixed table 23, the first shaft 21 is equipped with a connector 22, and the end of the first shaft 21 is fixed with a square sleeve 20, as shown in the figure 8, the square sleeve 20 is aligned with the water inlet of the water inlet valve 36 in the horizontal direction.

As shown in Fig. 3, Fig. 4 and Fig. 6, the rotation transmission assembly includes a rotation transmission servo motor 32, a pneumatic chuck 14, a circular sleeve 42, an upper clamping plate 12, a lower clamping plate 10 and a rotation transmission reducer 31; the upper clamping plate 12 , and the lower splints 10 are elastically connected by four shafts arranged at the four corners and springs 11, 30, 33, 34 sleeved on the shafts, and the center of the bottom surface of the lower splint 10 is equipped with a rotation transmission reducer 31 and a rotation transmission servo The motor 32, the rotation transmission servo motor 32 faces upwards and is connected with the lower end of the third shaft 43 through the rotation transmission reducer 31, the pneumatic chuck 14 is fixed on the top surface of the upper splint 12, and the upper end of the third shaft 43 passes upwards through the lower splint 10, the upper The splint 12, the pneumatic chuck 14 and the circular sleeve 42 are coaxially connected, and the circular sleeve 42 is aligned with the vertical water inlet of the water inlet valve 36; the corresponding clamping surface of the circular sleeve 42 is a circular joint, and the pneumatic The chuck grips the circular fitting.

In the specific implementation, the present invention drives the fixed table 23 to move horizontally along the horizontal guide rail 28 through the operation of the sliding cylinder 26, and the movement of the fixed table 23 drives the square sleeve 20 to move horizontally to the horizontal water inlet of the water inlet valve 36, which is driven by the horizontal propulsion servo motor 25. The rotation of the square sleeve 20 tightens the horizontal water inlet of the water inlet valve 36, and the rotation of the circular sleeve 42 drives the rotation of the servo motor 32 to tighten the vertical water inlet of the water inlet valve 36. The two water inlets of the water inlet valve 36 are tightened by driving the square sleeve 20 and the circular sleeve 42 to rotate simultaneously through the horizontally advancing servo motor 25 and the rotating transmission servo motor 32 .

In specific implementation, the servo motors in the horizontal propulsion assembly and the rotary transmission assembly, the sliding cylinder in the horizontal propulsion assembly, and the clamping cylinder in the vertical propulsion assembly are all connected to the computer through PLC.

The specific implementation process:

Firstly, the water inlet valve 36 is pre-tightened, and then placed on the lower fixture 40 .

Through the touch screen 5 control, set the corresponding parameters. Press the start button 1 and 3 with both hands at the same time, the clamping cylinder 18 pushes the fixed clamp block 19, and at the same time the upper clamp 17 moves down along the vertical guide rail 16, pushes the water inlet valve 36 to the clamping position, and is clamped on the upper clamp. Between the clamp 17 and the lower clamp 40.

The sliding cylinder 26 pushes the fixed table 23, and the fixed table 23 reaches the fixed position along the horizontal guide rail 28, and then the two servo motors 25, 32 work at the same time, and the horizontal and vertical directions of the water inlet valve 36 are tightened simultaneously. After finishing, servomotor 25,32 stops working, and two cylinders 18,26 reset, and touch screen displays production total number, and indicator light 6,8 lights up simultaneously.

From this implementation, it can be seen that the present invention can overcome the difficulty of tightening the circular joint and make up for the defect of easy scratches, realize the automatic tightening and adjustment of the water inlet valve, convenient clamping, and safe testing.

Claims (7)

1. a kind of inlet valve device for screwing up, it is characterised in that：The device for screwing up (4) is mounted on the work top (9) of working cabined On, device for screwing up (4) includes workbench mounting plate (13), vertical thrust component, horizontal propulsion assembly and rotary drive component, into Water valve (36) is placed on lower fixture (40)；Lower fixture (40), workbench are installed on the side on workbench mounting plate (13) Horizontal propulsion assembly is installed on the other side on mounting plate (13), is pacified on the workbench mounting plate (13) above lower fixture (40) Equipped with fixing bracket (15), vertical thrust component is installed on fixing bracket (15), the workbench installation below lower fixture (40) Plate (13) bottom is equipped with rotary drive component.

2. a kind of inlet valve device for screwing up according to claim 1, it is characterised in that：

The vertical thrust component includes clamping cylinder (18), fixing bracket (15), upright guide rail (16), fixing clip (19) With upper fixture (17)；Lower fixture (40) is fixed on working plate (35), and inlet valve (36), working plate are placed on lower fixture (40) (35) it is fixed on workbench mounting plate (13) by the column of quadrangle, the working plate (35) above lower fixture (40) is fixedly mounted Fixing bracket (15), clamping cylinder (18) are fixed on the top of fixing bracket (15), and the cylinder rod of clamping cylinder (18) is downward simultaneously It is connected with fixing clip (19), fixing clip (19) fixing sleeve is loaded in the centre bore of upper fixture (17), fixing bracket (15) Upright guide rail (16), upper fixture (17) and lower fixture (40) both sides and upright guide rail (16) are equipped between both sides and working plate (35) Connection forms sliding pair；Clamping cylinder (18) pushes fixing clip (19) and upper fixture (17) to be risen up and down along upright guide rail (16) Drop, inlet valve (36) is vertically fixed between upper fixture (17) and lower fixture (40)；

The horizontal propulsion assembly includes horizontal guide rail (28), sliding cylinder (26), buffer (29), bottom plate (37), fixes Platform (23), fixed frame (39), floating junction (27), horizontal propulsion servo motor (25), horizontal propulsion retarder (24), connector (22) and square sleeve (20)；Bottom plate (37) is fixed on workbench mounting plate (13), close to lower fixture (40) on bottom plate (37) Side horizontal guide rail (28) is installed, fixed station (23) bottom is moved on horizontal guide rail (28) and along horizontal guide rail (28) It is dynamic；Side on bottom plate (37) close to lower fixture (40) is equipped with fixed frame (39), and fixed frame is fixed with sliding cylinder on (39) (26), the output rod of sliding cylinder (26) is towards lower fixture (40) direction, and the output rod of sliding cylinder (26) is through the second axis (41) It is fixedly connected with fixed station (23) bottom sides, the second axis (41) is equipped with floating junction (27)；Close to lower fixture (40) side Bottom plate (37) side is equipped with buffer (29), and buffer (29) is fixed on workbench mounting plate (13), and buffer (29) is used for Moving horizontally for blocking fixed station (23) limit simultaneously cushioning effect；Level promotes servo motor (25) to be fixed on fixed station (23) top, level promote the output shaft of servo motor (25) to promote retarder (24) and first axle (21) coaxially to connect through level It connects, first axle (21) is horizontal to be penetratingly mounted at the top of fixed station (23), and connector (22), first axle are housed in first axle (21) (21) end, which is fixed, is equipped with square sleeve (20)；

Being run by sliding cylinder (26) drives fixed station (23) to be moved horizontally along horizontal guide rail (28), and fixed station (23) moves band Dynamic square sleeve (20) is moved horizontally to the horizontal water inflow mouth of inlet valve (36), and servo motor (25) drive side is promoted by level Shape sleeve (20) rotation carries out tightening work to the horizontal water inflow mouth of inlet valve (36)；

The rotary drive component includes rotary drive servo motor (32), air spider (14), circular sleeve (42), upper folder Plate (12), lower clamp plate (10) and rotary drive retarder (31)；By being arranged in quadrangle between upper clamp plate (12), lower clamp plate (10) Four shaft member and the spring (11,30,33,34) that is sleeved in shaft member carry out elastic connection, the installation of lower clamp plate (10) bottom center There are rotary drive retarder (31) and rotary drive servo motor (32), rotary drive servo motor (32) to pass upward and through rotation Dynamic retarder (31) is connected with third axis (43) lower end, and air spider (14) is fixed on upper clamp plate (12) top surface, third axis (43) It is coaxially connected that upper end is upward through lower clamp plate (10), upper clamp plate (12), air spider (14) and circular sleeve (42)；Pass through rotation Actuator servo motor (32) drives circular sleeve (42) to rotate and carries out tightening work to the vertical inlet mouth of inlet valve (36).

3. a kind of inlet valve device for screwing up according to claim 2, it is characterised in that：

It is the horizontal propulsion assembly and the servo motor in rotary drive component, the sliding cylinder in horizontal propulsion assembly, vertical The clamping cylinder of propulsion assembly is connect by PLC with computer.

4. a kind of inlet valve device for screwing up according to claim 2 and tightening method, it is characterised in that：

The circular sleeve (42), corresponding face of stepping up is circular joint, increases enclasping force using air spider.

5. a kind of inlet valve device for screwing up according to claim 2 and tightening method, it is characterised in that：

The contact surface of the circular sleeve (42) uses soft material.

6. a kind of inlet valve device for screwing up according to claim 2 and tightening method, it is characterised in that：

The air spider (14) is moved up and down by spring (30) drive.

7. a kind of inlet valve device for screwing up according to claim 1, it is characterised in that：

Working cabined below the work top (9) is equipped with the first start key (1), stop key (2) and the second start key (3), Working cabined is equipped with touch screen (5), and working cabined is equipped with qualified lamp (6), power switch (7) and unqualified lamp (8).