Tightening and leakage testing all-in-one machine for faucet gland
By designing a faucet gland tightening and leak testing all-in-one machine that integrates gland nut tightening, leak testing and marking functions, the problem of unbalanced processes in faucet production has been solved, automated production has been achieved, and production efficiency has been improved.
Patent Information
- Application Number
- CN202423265839.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-12-30
AI Technical Summary
In the existing faucet production process, the three processes of gland nut installation, leak testing and marking are carried out separately, resulting in unbalanced processes, waste of labor, and inability to achieve automation.
A faucet gland tightening and leak testing machine is designed, which integrates the functions of gland nut tightening, air tightness testing and marking. It realizes automated operation through a height adjustment plate, a water outlet sealing device and a laser marking machine, and is suitable for faucets of different specifications.
It realizes the automated tightening, leak testing and marking of faucet gland nuts, improves production efficiency, reduces labor waste, and is suitable for faucets of different specifications.
Smart Images

Figure CN223383007U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an assembly and testing device for a faucet, in particular to an all-in-one machine for tightening a faucet gland and testing a leak. Background Art
[0002] The hot and cold water basin faucets used daily have a variety of different specifications according to different usage and design requirements. The structures of hot and cold water basin faucets of different specifications are basically similar. The main difference lies in the position of the faucet outlet relative to the water inlet. The hot and cold water basin faucet includes a faucet body and a valve core. The faucet body has a cold water chamber, a hot water chamber and a mixing water chamber. The valve core is installed on the faucet body by a gland nut. The gland nut and the faucet body are threaded together. To ensure the sealing of the faucet, the assembled faucet needs to be leak-tested and products that may leak need to be separated. In addition, many products currently need to be marked to improve the level of digital management. In the current faucet production process, the installation and tightening of the gland nut, leak testing, and marking are carried out separately, requiring three steps. The time required for the three steps is different, and there is an imbalance between the steps, resulting in a large amount of labor waste. Summary of the Invention
[0003] In response to the above problems, the purpose of the present invention is to provide an all-in-one machine for tightening the faucet gland and testing leaks, which can complete the gland nut tightening and air tightness testing processes on one device, and the present invention can be quickly adjusted to suit hot and cold water basin faucets of different specifications.
[0004] The solution of the utility model is: a faucet gland tightening and leak testing all-in-one machine, including a frame, a height adjustment plate is arranged on the frame; a gland nut tightening gun mounting plate is provided above the height adjustment plate, a gland nut tightening gun is installed on the gland nut tightening gun mounting plate, a first cylinder is installed on the gland nut tightening gun mounting plate, and the top end of the piston rod of the first cylinder is connected to the height adjustment plate; a pressing fixing plate is provided below the height adjustment plate, a second cylinder is installed on the pressing fixing plate, the top end of the piston rod of the second cylinder is connected to the height adjustment plate, and a pressing pad is installed under the pressing fixing plate for pressing the faucet the edge of the body; the height adjustment plate, the gland nut tightening gun mounting plate, and the tightening fixing plate are connected by a guide column, and the guide column is installed on the workbench panel; a faucet fixing bracket is installed on the workbench panel, and the center of the faucet fixing bracket is facing the gland nut tightening gun; a step opening is provided in the center of the faucet fixing bracket, and two water inlet sealing core rods are provided in the step opening, and a sealing ring is covered on the head of the sealing core rod; a water outlet sealing device is installed on the workbench panel, and the water outlet sealing device is facing the water outlet of the faucet, and an air inlet is provided in the center of the water outlet sealing device, and the air inlet is connected to the air pipe and connected to the air tightness detector.
[0005] Furthermore, a vertical slide rail is provided on the frame, and a horizontal slide cooperates with the slide rail and can move up and down, and the height adjustment plate is fixedly mounted on the horizontal slide rail.
[0006] Furthermore, the water outlet sealing device includes a horizontal adjustment plate, a height adjustment plate, an angle adjustment plate and a sealing cylinder. The horizontal adjustment plate is in an inverted T shape, with a waist-shaped groove on the vertical plate. A positioning pin is installed on the bottom surface of the horizontal adjustment plate, and the positioning pin cooperates with the slide groove opened on the workbench panel. Waist-shaped grooves are opened on both sides of the horizontal adjustment plate to achieve front and rear position adjustment and are fixed with screws; the height adjustment plate has several groups of threaded holes, and the screws pass through the waist-shaped grooves on the vertical plate of the horizontal adjustment plate to fix the height adjustment plate. The height adjustment plate The upper and lower positions can be adjusted; the angle adjustment plate is an L-shaped plate, and an arc groove is provided on the vertical plate of the angle adjustment plate. The angle adjustment plate is connected to the height adjustment plate with a fixing screw, and a second screw is passed through the arc groove and tightened. The angle adjustment plate can adjust the inclination position; the cylinder is installed on the angle adjustment plate, and a sealing gasket is installed at the end of the piston rod of the sealing cylinder. An air inlet hole is provided in the center of the sealing gasket 19, and the air inlet hole is connected to the air pipe joint installed on the side of the sealing gasket, and then the air pipe is connected to the solenoid valve and the sealing detector.
[0007] A laser marking machine is provided behind the faucet bracket. The laser marking machine is installed on a one-way slide. The one-way slide is installed on the workbench panel and can adjust the front and rear positions so that the laser marking position is on the rear side of the faucet body.
[0008] During use of the faucet gland tightening and leak testing machine of the present invention, first adjust the height adjustment plate to a suitable height, adjust the water outlet sealing device so that it is facing the water outlet of the faucet; install the faucet on the faucet fixing bracket, lower the pressing fixing plate to tighten and fix the faucet, then lower the gland nut tightening gun mounting plate, and start the gland nut tightening gun to lock the gland nut. After the locking is completed, the gland nut tightening gun mounting plate drives the gland nut tightening gun back; the air inlet is opened for air tightness test, and if the air tightness test is qualified, start the laser marking machine for marking. The faucet gland tightening and leak testing machine of the present invention completes the three processes of faucet gland nut tightening, leak testing, and marking with one device, and realizes automation, which greatly improves production efficiency. At the same time, the present invention can be quickly adjusted to adapt to faucets of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 It is a structural schematic diagram of the utility model with a faucet workpiece installed.
[0010] Figure 2 It is a partial three-dimensional structural schematic diagram of the utility model. DETAILED DESCRIPTION
[0011] The following is a further description of the technical solution of the present invention with reference to the specific embodiments of the present invention and the accompanying drawings. Figure 1~Figure 2 As shown, the faucet gland tightening and leak testing machine of the present invention includes a frame 1, a vertical slide rail 2 is provided on the frame 1, a horizontal slide 5 cooperates with the slide rail 2, and a servo motor 27 is used to realize the up and down movement of the slide, and a height adjustment plate 4 is fixedly installed on the slide 5; a gland nut tightening gun mounting plate 3 is provided above the height adjustment plate 4.
[0012] A gland nut tightening gun 25 is installed on the gland nut tightening gun mounting plate 3, and a first cylinder 26 is installed on the gland nut tightening gun mounting plate 3, and the top of the piston rod of the first cylinder 26 is connected to the height adjustment plate 4; a pressing fixing plate 6 is provided below the height adjustment plate 4, and a second cylinder 24 is installed on the pressing fixing plate 6, and the top of the piston rod of the second cylinder 24 is connected to the height adjustment plate 4, and a pressing pad 28 is installed under the pressing fixing plate 6 for pressing the edge of the body of the faucet 11; the height adjustment plate 4 and the gland nut tightening gun mounting plate 3 are provided. The tightening gun mounting plate 3 and the tightening fixing plate 6 are connected by a guide column 7, and the guide column 7 is installed on the workbench panel 10; a faucet fixing bracket 12 is installed on the workbench panel 10, and the center of the faucet fixing bracket 12 is facing the gland nut tightening gun 25; a stepped opening is provided in the center of the faucet fixing bracket 12, and two water inlet sealing core rods 34 are provided in the stepped opening, and a sealing ring 35 is provided on the head of the sealing core rod 34; a water outlet sealing device 13 is installed on the workbench panel 10, and the water outlet sealing device 13 is facing the water outlet of the faucet 11.
[0013] The water outlet sealing device 13 includes a horizontal adjustment plate 14, a height adjustment plate 15, an angle adjustment plate 16 and a sealing cylinder 17. The horizontal adjustment plate 14 is an inverted T-shaped plate with a waist-shaped groove on the vertical plate. A positioning pin is installed on the bottom surface of the horizontal adjustment plate 14. The positioning pin cooperates with the slide groove opened on the workbench panel 10. The waist-shaped grooves are opened on both sides of the horizontal adjustment plate 13 to achieve front and rear position adjustment and are fixed with screws; the height adjustment plate 15 has several groups of threaded holes, and the screws pass through the waist-shaped grooves on the vertical plate of the horizontal adjustment plate 14 to fix the height adjustment plate 15. The height adjustment plate 15 can achieve up and down positions Adjustment of the position; the angle adjustment plate 16 is an L-shaped plate, and an arc groove is provided on the vertical plate of the angle adjustment plate 16. The angle adjustment plate 16 is connected to the height adjustment plate 15 with a fixing screw, and a second screw is passed through the arc groove and then fastened to the height adjustment plate 15. The angle adjustment plate 16 can adjust the inclination position; the sealing cylinder 17 is installed on the angle adjustment plate 16, and a sealing gasket 19 is installed at the end of the piston rod of the sealing cylinder 17; an air inlet hole is provided in the center of the sealing gasket 19, and the air inlet hole is connected to the air pipe joint 18 installed on the side of the sealing gasket, and then the air pipe is connected to the solenoid valve and the sealing detector.
[0014] A lateral block mounting plate 21 is also mounted on the top of the sealing cylinder 17. The lateral block 20 is mounted on the lateral block mounting plate 21 to ensure that the faucet does not shift when tightened. A top fixing bracket 23 is mounted on the clamping plate 6. The top fixing bracket 23 is Y-shaped and has an oblong hole at the front end. The top fixing rod 22 has a rubber sealing gasket at the head. The rod of the top fixing rod 22 is threaded and passes through the oblong hole at the front end of the top fixing bracket 23. A butterfly nut is used to adjust the height and fix it. The top fixing rod is used to offset the upward force of the sealing cylinder to ensure sealing reliability.
[0015] A switch toggle device is mounted below the clamping plate 6. The device includes a lever 33 connected to a lever ejector rod 29, which is connected to the piston of a small cylinder 30. The small cylinder 30 is fixed to a small cylinder fixing plate 31, which is fixed below the clamping plate 6. A guide rod 32 is located at the end of the lever 33, which is fixed to the small cylinder fixing plate 31. The lever 33 is highly elastic and can bend and deform after pushing the toggle switch. After restoration, the lever is on the other side of the switch, allowing a single cylinder to turn the faucet on and off.
[0016] A laser marking machine 8 is provided behind the faucet bracket 12. The laser marking machine 8 is installed on a one-way slide 9, and the one-way slide 9 is installed on a workbench panel 10. The laser marking machine can move forward and backward, and the laser marking machine itself can move up and down to ensure that the marking position is at the accurate position of the faucet body.
[0017] During use of the faucet nut tightening, leak testing and marking all-in-one machine of the present invention, the servo motor 27 drives the height adjustment plate 4 to be adjusted to a suitable height according to the model and size of the faucet, and the sealing gasket 19 is made to face the water outlet of the faucet body 11 by adjusting the positions of the horizontal adjustment plate 14, the height adjustment plate 15 and the angle adjustment plate 16 of the water outlet sealing device 13; the first cylinder 7 is pushed out to raise the gland nut tightening gun mounting plate 3; the second cylinder 9 retracts, and the compression fixing plate 6 rises to the initial position, at which time there is a larger space on the faucet fixing frame 12. The faucet 11 to be tested is mounted on the faucet fixing bracket 12. The second cylinder 24 pushes out, the clamping plate 6 descends to clamp and fix the faucet 11, and the water inlet is sealed. The sealing cylinder 17 pushes out to seal the water outlet. The first cylinder 26 then retracts, the gland nut tightening gun mounting plate 3 descends, and the gland nut tightening gun 25 is activated to tighten the gland nut. After tightening, the first cylinder 26 pushes out, and the gland nut tightening gun mounting plate 3 drives the gland nut tightening gun 25 upward. The air inlet is opened to inflate and maintain pressure. The air tightness of the faucet body is tested by the gas pressure difference. If the leak test is qualified, the laser marking machine 8 is activated for marking; otherwise, an alarm signal is issued.
[0018] This all-in-one faucet gland tightening and leak testing machine completes the three processes of faucet nut tightening, leak testing, and marking in one device, achieving automation and significantly improving production efficiency. The height of the clamping plate and the position of the water outlet sealing device can also be quickly adjusted to accommodate faucets of different specifications.
Claims
1. A faucet gland tightening and leak testing machine, characterized by: The invention comprises a frame (1), a height adjustment plate (4) is arranged on the frame (1); a gland nut tightening gun mounting plate (3) is provided above the height adjustment plate (4), a gland nut tightening gun (25) is installed on the gland nut tightening gun mounting plate (3), a first cylinder (26) is installed on the gland nut tightening gun mounting plate (3), and the top end of the piston rod of the first cylinder (26) is connected to the height adjustment plate (4); a pressing fixing plate (6) is provided below the height adjustment plate (4), a second cylinder (24) is installed on the pressing fixing plate (6), the top end of the piston rod of the second cylinder (24) is connected to the height adjustment plate (4), and a pressing pad (28) is installed below the pressing fixing plate (6) for pressing the faucet ( 11); the height adjustment plate (4), the gland nut tightening gun mounting plate (3), and the clamping fixing plate (6) are connected by a guide column (7), and the guide column (7) is installed on the workbench panel (10); a faucet fixing bracket (12) is installed on the workbench panel (10), and the center of the faucet fixing bracket (12) is directly opposite to the gland nut tightening gun (25); a step opening is provided at the center of the faucet fixing bracket (12), and two water inlet sealing core rods (34) are provided in the step opening, and the head of the sealing core rod (34) is covered with a sealing ring (35); a water outlet sealing device (13) is installed on the workbench panel (10), and the water outlet sealing device (13) is directly opposite to the water outlet of the faucet (11).
2. The faucet gland tightening and leak testing all-in-one machine according to claim 1, characterized in that: The frame (1) is provided with a vertical slide rail (2), and a horizontal slide platform (5) cooperates with the slide rail (2) and can move up and down. The height adjustment plate (4) is fixedly mounted on the slide platform (5).
3. The faucet gland tightening and leak testing all-in-one machine according to claim 2, characterized in that: The water outlet sealing device (13) includes a horizontal adjustment plate (14), a height adjustment plate (15), an angle adjustment plate (16) and a sealing cylinder (17). The horizontal adjustment plate (14) is in an inverted T shape, and a waist-shaped groove is provided on the vertical plate. A positioning pin is installed on the bottom surface of the horizontal adjustment plate (14), and the positioning pin cooperates with the slide groove provided on the workbench panel (10). The horizontal adjustment plate (14) has waist-shaped grooves on both sides, which can realize the adjustment of the front and rear positions and is fixed with screws; the height adjustment plate (15) has several groups of threaded holes, and the screws pass through the waist-shaped grooves on the vertical plate of the horizontal adjustment plate (14) to fix the height adjustment plate (15). The height adjustment plate (15) can realize the adjustment of the upper and lower positions; the angle adjustment plate (16) is an L-shaped plate, and an arc groove is opened on the vertical plate of the angle adjustment plate (16). The angle adjustment plate (16) is connected to the height adjustment plate (15) with a fixing screw, and is fastened again with a second screw passing through the arc groove. The angle adjustment plate (16) can realize the adjustment of the inclination position; the sealing cylinder (17) is installed on the angle adjustment plate (16), and a sealing gasket (19) is installed at the end of the piston rod of the sealing cylinder (17); an air inlet hole is opened in the center of the sealing gasket, and the air inlet hole is connected to the air pipe joint (18) installed on the side of the sealing gasket, and then connected to the air pipe and connected to the sealing detector.
4. The faucet gland tightening and leak testing all-in-one machine according to claim 3, characterized in that: A lateral stopper mounting plate (21) is also mounted on the top of the sealing cylinder (17), and the lateral stopper (20) is mounted on the lateral stopper mounting plate (21).
5. The faucet gland tightening and leak testing all-in-one machine according to claim 4, characterized in that: A switch toggle device is installed under the clamping fixed plate (6), and the switch toggle device includes a toggle rod (33), the toggle rod (33) is connected to the toggle rod ejection rod (29), the toggle rod ejection rod (29) is connected to the piston of the small cylinder (30), the small cylinder (30) is fixed on the small cylinder fixing plate (31), the small cylinder fixing plate (31) is fixed under the clamping fixed plate (6), and a guide rod (32) is provided at the end of the toggle rod (33), and the guide rod (32) is fixed on the small cylinder fixing plate (31).
6. The faucet gland tightening and leak testing all-in-one machine according to claim 2 or 5, characterized in that: A laser marking machine (8) is provided behind the faucet fixing bracket (12), and the laser marking machine (8) is installed on a one-way slide (9), and the one-way slide (9) is installed on a workbench panel (10).