Precise pH value control device for surface treatment liquid medicine

Abstract

The utility model belongs to the technical field of surface treatment liquid medicine pH value control, and particularly relates to a surface treatment liquid medicine pH value precision control device which comprises a foot stool, a movable barrel is assembled in a fixed barrel in a sliding mode, a sliding groove is formed in the side wall of the fixed barrel, a first electrode plate is installed on the bottom side of a first sliding block, and a second electrode plate is installed on the bottom side of the first sliding block. A screw rod is rotatably mounted on the two groups of fixing blocks, a knob is welded to the top side of the screw rod, a second sliding block sleeves the screw rod, a second electrode plate is mounted on the second sliding block, the screw rod is rotated to drive the second sliding block on the screw rod to vertically move, and the second sliding block drives the second electrode plate on the second sliding block to vertically move. The distance between a second electrode plate and a first electrode plate is adjusted, the position of a second sliding block is accurately adjusted, two sets of scale values are accurately adjusted according to the proportion of distilled water to sulfuric acid, the pH value of the surface treatment liquid medicine is accurately controlled, and the precision of the pH value of the surface treatment liquid medicine is easily improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pH control of surface treatment liquid, in particular to a device for accurately controlling pH of surface treatment liquid. Background Art

[0002] When treating the metal surface, it is necessary to use surface treatment solution for polishing. The treatment method is to put the metal as the anode into the surface treatment solution and apply current for polishing. The pH value of the surface treatment solution directly affects the effect of the metal surface treatment. Therefore, an alkalinity control device is required in the process of preparing the surface treatment solution.

[0003] A Chinese patent with publication number CN212865017U discloses an automatic acidity adjustment device for an electroforming nickel tank, comprising an electroforming nickel tank, an acidity adjustment medicine box, a delivery pipe, a metering pump, an acidity detection probe and an electric control box. The coordination of the acidity detection probe and the electric control box can timely understand the acidity value of the electrolyte in the electroforming nickel tank. The coordination of the acidity detection probe, the electric control box, the delivery pipe and the metering pump can automatically add 10% sulfuric acid in the acidity adjustment medicine box into the electroforming nickel tank to automatically adjust the acidity value of the electrolyte in the electroforming nickel tank. The coordination of the liquid level switch and the electric control box can automatically control the metering pump to stop running when the 10% sulfuric acid in the acidity adjustment medicine box is insufficient. The acidity value of the surface treatment solution in the electroforming nickel tank can be timely understood. At the same time, the acidity value of the electrolyte in the electroforming nickel tank can also be automatically controlled and adjusted. The device is easy to operate, can avoid the generation of acid mist, thereby avoiding nodules and pits in the printed nickel mesh, and improving the yield and quality of the product.

[0004] In the process of preparing the surface treatment solution, the existing surface treatment solution pH control device cannot accurately control the raw material ratio of the surface treatment solution, making it difficult to accurately control the pH of the surface treatment solution, resulting in poor accuracy of the pH of the surface treatment solution; therefore, a surface treatment solution pH precision control device is proposed to address the above problem. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problems existing in the prior art, the utility model provides a device for precisely controlling the pH value of surface treatment liquid.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a surface treatment solution pH precision control device described in the utility model comprises a tripod, a cylinder body is installed on the tripod, a control panel and a first indicator light and a second indicator light are installed on the side wall of the cylinder body, the first indicator light and the second indicator light are connected to the control panel through an internal circuit, a first control quantity component and a second control quantity component are installed on the top plate of the cylinder body, the first control quantity component comprises a fixed cylinder, a mobile cylinder is slidably assembled inside the fixed cylinder, a slide groove is provided on the side wall of the fixed cylinder, a first slider is slidably assembled in the slide groove, the side wall of the first slider is fixedly connected to the bottom end of the side wall of the mobile cylinder, a first electrode sheet is installed on the bottom side of the first slider, two groups of fixed blocks are installed on the side wall of the fixed cylinder, a screw rod is rotatably installed on the two groups of fixed blocks, a knob is welded on the top side of the screw rod, a second slider is sleeved on the screw rod, the second slider is assembled in the slide groove, a second electrode sheet is installed on the second slider, the first electrode sheet and the second electrode sheet are connected to the first indicator light through an internal circuit, a scale is installed on the outer wall of the fixed cylinder, and a pointer is installed on the second slider, A connecting groove is installed on the inner wall of the fixed cylinder, and a connecting block is installed in the connecting groove. The connecting block is fixedly connected to the side wall of the moving cylinder. Six groups of springs are installed between the bottom side of the moving cylinder and the bottom wall of the fixed cylinder. A water pump is installed on the outer wall of the fixed cylinder through a machine base. A first conduit and a second conduit are installed on the water pump. The second conduit is fixedly connected to the top plate of the moving cylinder. A first solenoid valve is installed on the second conduit. A third conduit is installed on the bottom side of the moving cylinder. A second solenoid valve is installed on the third conduit. The first solenoid valve and the second solenoid valve are connected to the control panel through an internal circuit. By rotating the screw rod, the screw rod drives the second slider thereon to move vertically, and the second slider drives the second electrode sheet thereon to move vertically, so as to adjust the distance between the second electrode sheet and the first electrode sheet. The pointer on the second slider points to the scale. According to the scale, the position of the second slider is accurately adjusted. According to the ratio of distilled water and sulfuric acid, the two groups of scale values ​​are accurately adjusted. By accurately regulating the raw material ratio of the surface treatment solution, the pH value of the surface treatment solution is accurately controlled, which is beneficial to improving the accuracy of the pH value of the surface treatment solution.

[0007] Preferably, the second quantity control component has the same structure as the first quantity control component, the first electrode sheet and the second electrode sheet inside the second quantity control component are connected to the second indicator light through an internal circuit, a motor is installed on the top plate of the cylinder body, a stirring rod is installed on the output shaft of the motor, a stirring blade is installed on the stirring rod, a PH sensor is installed inside the cylinder body, the PH sensor is connected to the control panel through an internal circuit, a discharge pipe is installed on the bottom side of the cylinder body, a valve is installed on the discharge pipe, after the addition of distilled water is completed, during the process of adding sulfuric acid, the motor is operated to drive the stirring rod to rotate, the stirring rod drives the stirring blade to rotate, the stirring blade stirs the distilled water and the continuously poured sulfuric acid, which can avoid splashing of sulfuric acid, and by continuously stirring the distilled water and sulfuric acid, uniform mixing of the distilled water and sulfuric acid is achieved, which is beneficial to improving the uniformity of the surface treatment solution.

[0008] The utility model is beneficial in that:

[0009] 1. The utility model rotates the screw rod, which drives the second slider thereon to move vertically, and the second slider drives the second electrode sheet thereon to move vertically, thereby adjusting the distance between the second electrode sheet and the first electrode sheet. The pointer on the second slider points to the scale, and the position of the second slider is accurately adjusted according to the scale. According to the ratio of distilled water and sulfuric acid, the two groups of scale values ​​are accurately adjusted. By accurately regulating the raw material ratio of the surface treatment solution, the pH value of the surface treatment solution is accurately controlled, which is beneficial to improving the accuracy of the pH value of the surface treatment solution.

[0010] 2. After the distilled water is added, the utility model drives the stirring rod to rotate through the operation of the motor during the process of adding sulfuric acid. The stirring rod drives the stirring blades to rotate. The stirring blades stir the distilled water and the continuously poured sulfuric acid, which can avoid the splashing of sulfuric acid. By continuously stirring the distilled water and sulfuric acid, the distilled water and sulfuric acid are evenly mixed, which is beneficial to improving the uniformity of the surface treatment solution. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0012] Figure 1 It is a schematic diagram of a three-dimensional structure from a first-person perspective;

[0013] Figure 2 It is a schematic diagram of the three-dimensional structure of the screw rod;

[0014] Figure 3 It is a schematic diagram of the three-dimensional structure at the scale;

[0015] Figure 4 It is a schematic diagram of the internal three-dimensional structure of the fixed cylinder;

[0016] Figure 5 It is a schematic diagram of the internal three-dimensional structure of the cylinder.

[0017] In the figure: 1. tripod; 2. cylinder body; 3. control panel; 4. first indicator light; 5. second indicator light; 6. fixed cylinder; 7. moving cylinder; 8. slide groove; 9. first slider; 10. first electrode sheet; 11. fixed block; 12. screw rod; 13. knob; 14. second slider; 15. second electrode sheet; 16. scale; 17. pointer; 18. connecting groove; 19. connecting block; 20. spring; 21. water pump; 22. first conduit; 23. second conduit; 24. first solenoid valve; 25. third conduit; 26. second solenoid valve; 27. motor; 28. stirring rod; 29. ​​stirring blade; 30. PH sensor; 31. discharge pipe; 32. valve. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4As shown, a surface treatment solution pH precision control device comprises a tripod 1, a cylinder body 2 is mounted on the tripod 1, a control panel 3 and a first indicator light 4 and a second indicator light 5 are mounted on the side wall of the cylinder body 2, the first indicator light 4 and the second indicator light 5 are connected to the control panel 3 through an internal circuit, a first control quantity assembly and a second control quantity assembly are mounted on the top plate of the cylinder body 2, the first control quantity assembly comprises a fixed cylinder 6, a moving cylinder 7 is slidably mounted inside the fixed cylinder 6, a slide groove 8 is provided on the side wall of the fixed cylinder 6, a first slider 9 is slidably mounted in the slide groove 8, the side wall of the first slider 9 is fixedly connected to the bottom end of the side wall of the moving cylinder 7, a first electrode sheet 10 is mounted on the bottom side of the first slider 9, two groups of fixed blocks 11 are mounted on the side wall of the fixed cylinder 6, and the two groups of fixed blocks 11 are mounted on the side wall of the fixed cylinder 6. A screw rod 12 is rotatably mounted on the fixed block 11, a knob 13 is welded on the top side of the screw rod 12, a second slider 14 is sleeved on the screw rod 12, the second slider 14 is assembled in the slide groove 8, a second electrode sheet 15 is mounted on the second slider 14, the first electrode sheet 10 and the second electrode sheet 15 are connected to the first indicator light 4 through an internal circuit, a scale 16 is mounted on the outer wall of the fixed cylinder 6, a pointer 17 is mounted on the second slider 14, a connecting groove 18 is mounted on the inner wall of the fixed cylinder 6, a connecting block 19 is assembled in the connecting groove 18, the connecting block 19 is fixedly connected to the side wall of the moving cylinder 7, six groups of springs 20 are installed between the bottom side of the moving cylinder 7 and the bottom wall of the fixed cylinder 6, a water pump 21 is mounted on the outer wall of the fixed cylinder 6 through a base, and the water pump 21 is mounted on the outer wall of the fixed cylinder 6. A first conduit 22 and a second conduit 23 are installed, the second conduit 23 is fixedly connected to the top plate of the moving cylinder 7, a first solenoid valve 24 is installed on the second conduit 23, a third conduit 25 is installed on the bottom side of the moving cylinder 7, a second solenoid valve 26 is installed on the third conduit 25, and the first solenoid valve 24 and the second solenoid valve 26 are connected to the control panel 3 through an internal circuit; when working, the existing surface treatment solution pH control device cannot accurately control the raw material ratio of the surface treatment solution during the process of configuring the surface treatment solution, making it difficult to accurately control the pH of the surface treatment solution, resulting in poor accuracy of the pH of the surface treatment solution, by connecting the first conduit 22 on the first control component to the distilled water storage material The first guide tube 22 on the second control quantity component is connected to the sulfuric acid storage box, and the screw rod 12 is driven to rotate by turning the knob 13 on the first control quantity component, and the screw rod 12 drives the second slider 14 thereon to move vertically, and the second slider 14 drives the second electrode sheet 15 thereon to move vertically, so as to adjust the distance between the second electrode sheet 15 and the first electrode sheet 10, and the pointer 17 on the second slider 14 points to the scale 16, and the position of the second slider 14 is accurately adjusted according to the scale 16, and the scale value pointed by the pointer 17 is the amount of distilled water added; the amount of sulfuric acid added of the second control quantity component is adjusted in the same way as the above method, and the two sets of scale values ​​are accurately adjusted according to the ratio of distilled water and sulfuric acid;

[0020] After the adjustment is completed, the first control component is controlled to operate through the control panel 3, that is, the control panel 3 controls the water pump 21 and the first solenoid valve 24 to open, and the water pump 21 guides the distilled water in the storage box into the second conduit 23, and then pours it into the moving cylinder 7. As the distilled water in the moving cylinder 7 increases, the moving cylinder 7 moves vertically downward as a whole, and the moving cylinder 7 presses the spring 20. At the same time, the moving cylinder 7 drives the first slider 9 thereon to move vertically downward, and the first slider 9 drives the first electrode sheet 10 thereon to move vertically downward until the first electrode sheet 10 contacts the second electrode sheet 15. At this time, the internal circuit of the first indicator light 4 is connected, and the first indicator light 4 sends an electrical signal to the control panel 3. After receiving the electrical signal, the control panel 3 controls the water pump 21 and the first solenoid valve 24 to close, and controls the second solenoid valve 26 to open, so that the distilled water in the mobile cylinder 7 is poured into the cylinder body 2 from the third conduit 25, thereby realizing the quantitative addition of distilled water; after the addition of distilled water is completed, the control panel 3 controls the operation of the second quantity control component, and the adding method is the same as that described above, thereby realizing the quantitative addition of sulfuric acid; this structure makes the pH value of the surface treatment solution a set value by quantitatively adding distilled water and sulfuric acid according to a ratio, and realizes precise control of the pH value of the surface treatment solution by precisely adjusting the raw material ratio of the surface treatment solution, which is beneficial to improving the accuracy of the pH value of the surface treatment solution.

[0021] See also Figure 5 As shown, the second control component has the same structure as the first control component, the first electrode sheet 10 and the second electrode sheet 15 inside the second control component are connected to the second indicator light 5 through an internal circuit, a motor 27 is installed on the top plate of the cylinder body 2, a stirring rod 28 is installed on the output shaft of the motor 27, a stirring blade 29 is installed on the stirring rod 28, a PH sensor 30 is installed inside the cylinder body 2, the PH sensor 30 is connected to the control panel 3 through an internal circuit, a discharge pipe 31 is installed on the bottom side of the cylinder body 2, and a valve 32 is installed on the discharge pipe 31; when working, in the process of preparing the existing surface treatment solution, the raw materials are usually left to stand and wait for the solution to be mixed, and the standing treatment cannot ensure that the solution is mixed evenly, resulting in poor uniformity of the surface treatment solution, After the distilled water is added, during the process of adding sulfuric acid, the motor 27 is operated to drive the stirring rod 28 to rotate, and the stirring rod 28 drives the stirring blade 29 to rotate. The stirring blade 29 stirs the distilled water and the continuously poured sulfuric acid to avoid splashing of sulfuric acid. By continuously stirring the distilled water and sulfuric acid, a uniform mixing of the distilled water and sulfuric acid is achieved. After the mixing is completed, the PH sensor 30 detects the mixed liquid and the PH value. The model of the PH sensor 30 is DPS-600A. The PH sensor 30 sends an electrical signal to the control panel 3. The control panel 3 obtains the electrical signal and displays the PH value of the surface treatment solution through the display screen. This structure is beneficial to improving the uniformity of the surface treatment solution by continuously stirring the distilled water and sulfuric acid.

[0022] Working principle: In the process of configuring the surface treatment solution, the raw material ratio of the surface treatment solution cannot be accurately regulated by the existing surface treatment solution pH control device, which makes it difficult to accurately control the pH of the surface treatment solution, resulting in poor accuracy of the pH of the surface treatment solution. By connecting the first conduit 22 on the first control component to the distilled water storage box, connecting the first conduit 22 on the second control component to the sulfuric acid storage box, and rotating the knob 13 on the first control component to drive the screw rod 12 to rotate, the screw rod 12 drives the second slider 14 thereon to move vertically, and the second slider 14 The second electrode sheet 15 thereon is driven to move vertically, so as to adjust the distance between the second electrode sheet 15 and the first electrode sheet 10. The pointer 17 on the second slider 14 points to the scale 16. According to the scale 16, the position of the second slider 14 is accurately adjusted. The scale value pointed by the pointer 17 is the amount of distilled water added. The amount of sulfuric acid added to the second control component is adjusted in the same way as above. According to the ratio of distilled water and sulfuric acid, the two sets of scale values ​​are accurately adjusted. After the adjustment is completed, the first control component is controlled to operate through the control panel 3, that is, the control panel 3 controls the water pump 21 and the first solenoid valve 24. When the water pump 21 is turned on, the distilled water in the storage box is guided into the second conduit 23, and then poured into the moving cylinder 7. As the distilled water in the moving cylinder 7 increases, the moving cylinder 7 moves vertically downward as a whole, and the moving cylinder 7 presses the spring 20. At the same time, the moving cylinder 7 drives the first slider 9 thereon to move vertically downward, and the first slider 9 drives the first electrode sheet 10 thereon to move vertically downward until the first electrode sheet 10 contacts the second electrode sheet 15. At this time, the internal circuit of the first indicator light 4 is connected, and the first indicator light 4 sends an electrical signal to the control panel 3. After receiving the electrical signal, the control panel 3 controls the water pump 21 and the first electrode sheet 10. The magnetic valve 24 is closed, and the second electromagnetic valve 26 is controlled to be opened, and the distilled water in the moving cylinder 7 is poured into the cylinder body 2 from the third conduit 25, thereby realizing the quantitative addition of distilled water; after the distilled water is added, the control panel 3 controls the operation of the second control component, and the adding method is the same as the above, thereby realizing the quantitative addition of sulfuric acid; this structure makes the pH value of the surface treatment solution a set value by quantitatively adding distilled water and sulfuric acid according to a ratio, and realizes the precise control of the pH value of the surface treatment solution by precisely regulating the raw material ratio of the surface treatment solution, which is beneficial to improving the accuracy of the pH value of the surface treatment solution;In the process of preparing the existing surface treatment solution, the raw materials are usually left to stand and wait for the solution to be mixed. The standing treatment cannot ensure that the solution is mixed evenly, resulting in poor uniformity of the surface treatment solution. After the distilled water is added, in the process of adding sulfuric acid, the motor 27 is operated to drive the stirring rod 28 to rotate, and the stirring rod 28 drives the stirring blade 29 to rotate. The stirring blade 29 stirs the distilled water and the continuously poured sulfuric acid to avoid splashing of sulfuric acid. By continuously stirring the distilled water and sulfuric acid, the distilled water and sulfuric acid are uniformly mixed. After the mixing is completed, the PH sensor 30 detects the mixed liquid and the PH value. The model of the PH sensor 30 is DPS-600A. The PH sensor 30 sends an electrical signal to the control panel 3. The control panel 3 obtains the electrical signal and displays the PH value of the surface treatment solution through the display screen. This structure is conducive to improving the uniformity of the surface treatment solution by continuously stirring the distilled water and sulfuric acid. ;

[0023] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A device for precisely controlling the pH value of a surface treatment solution, characterized in that: The invention comprises a tripod (1), a cylinder body (2) is mounted on the tripod (1), a control panel (3) and a first indicator light (4) and a second indicator light (5) are mounted on the side wall of the cylinder body (2), the first indicator light (4) and the second indicator light (5) are connected to the control panel (3) through an internal circuit, a first control quantity component and a second control quantity component are mounted on the top plate of the cylinder body (2), the first control quantity component comprises a fixed cylinder (6), a movable cylinder (7) is slidably mounted inside the fixed cylinder (6), a sliding groove (8) is provided on the side wall of the fixed cylinder (6), a first slider (9) is slidably mounted inside the sliding groove (8), the side wall of the first slider (9) is fixedly connected to the bottom end of the side wall of the movable cylinder (7), and the first slider (9) is fixedly connected to the bottom end of the side wall of the movable cylinder (7). A first electrode sheet (10) is installed on the bottom side of the first slider (9), two groups of fixed blocks (11) are installed on the side wall of the fixed cylinder (6), screw rods (12) are rotatably installed on the two groups of fixed blocks (11), a knob (13) is welded on the top side of the screw rod (12), a second slider (14) is sleeved on the screw rod (12), the second slider (14) is assembled in the slide groove (8), a second electrode sheet (15) is installed on the second slider (14), the first electrode sheet (10) and the second electrode sheet (15) are connected to the first indicator light (4) through an internal circuit, a scale (16) is installed on the outer wall of the fixed cylinder (6), and a pointer (17) is installed on the second slider (14).

2. The device for accurately controlling the pH value of surface treatment solution according to claim 1, characterized in that: A connecting groove (18) is installed on the inner wall of the fixed cylinder (6), a connecting block (19) is installed in the connecting groove (18), and the connecting block (19) is fixedly connected to the side wall of the movable cylinder (7).

3. The device for accurately controlling the pH value of surface treatment solution according to claim 1, characterized in that: Six groups of springs (20) are installed between the bottom side of the movable cylinder (7) and the bottom wall of the fixed cylinder (6); a water pump (21) is installed on the outer wall of the fixed cylinder (6) through a machine base; and a first conduit (22) and a second conduit (23) are installed on the water pump (21).

4. The device for accurately controlling the pH value of surface treatment solution according to claim 3 is characterized in that: The second conduit (23) is fixedly connected to the top plate of the moving cylinder (7); a first solenoid valve (24) is installed on the second conduit (23); a third conduit (25) is installed on the bottom side of the moving cylinder (7); a second solenoid valve (26) is installed on the third conduit (25); the first solenoid valve (24) and the second solenoid valve (26) are connected to the control panel (3) through an internal circuit.

5. The device for accurately controlling the pH value of surface treatment solution according to claim 1, characterized in that: The second quantity control component has the same structure as the first quantity control component, and the first electrode sheet (10) and the second electrode sheet (15) inside the second quantity control component are connected to the second indicator light (5) through an internal circuit.

6. The device for accurately controlling the pH value of surface treatment solution according to claim 1, characterized in that: A motor (27) is mounted on the top plate of the cylinder body (2), a stirring rod (28) is mounted on the output shaft of the motor (27), a stirring blade (29) is mounted on the stirring rod (28), a pH sensor (30) is mounted inside the cylinder body (2), the pH sensor (30) is connected to the control panel (3) via an internal circuit, a discharge pipe (31) is mounted on the bottom side of the cylinder body (2), and a valve (32) is mounted on the discharge pipe (31).

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