Anti-corrosion paint spraying equipment for valve

By designing an anti-corrosion painting equipment for valves and using plugs to seal the valve entrance, the problem of paint entering the internal passage during valve painting is solved, achieving safer and longer-lasting valve protection.

CN222642292UActive Publication Date: 2025-03-21SICHUAN BRAN SHUWEI TECH CO LTD
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Patent Information

Application Number
CN202421022550.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-11
Publication Date
2025-03-21
Estimated Expiration
2034-05-11

AI Technical Summary

Technical Problem

During the valve painting process, some paint may enter the internal passage of the valve, causing chemical reactions, material corrosion or channel blockage, affecting the structural strength and normal operation of the valve.

Method used

An anti-corrosion spraying equipment for valves is designed, and the first plug and the second plug are used to seal the two valve ports of the valve to ensure that the paint is only sprayed on the outer wall of the valve to prevent the paint from entering the internal passage.

Benefits of technology

It effectively avoids paint entering the internal passage of the valve, solves the corrosion and blockage problems caused by paint, extends the service life of the valve and ensures its normal operation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222642292U_ABST
Patent Text Reader

Abstract

The utility model discloses anti-corrosion paint spraying equipment for a valve, which belongs to the field of valve processing and comprises a base, a driving shaft mounted on the top surface of the base, a first plug mounted at the upper end of the driving shaft, a second plug mounted above the first plug, and a driven shaft connected above the second plug. The lower end of the driven shaft is detachably connected with the top of the second plug, the upper end of the driven shaft is fixedly connected with a horizontally-arranged supporting plate, the supporting plate is fixedly connected with the base through a vertically-arranged lifting column, a valve to be painted is clamped between the first plug and the second plug, and two valve ports are oppositely formed in the valve. The first plug and the second plug are plugged in two valve openings of the valve respectively, a paint bucket is further installed on the base, the upper portion of the paint bucket is at least communicated with one nozzle through a pipeline, and the nozzle is located on the side face of the valve. The valve paint spraying device solves the problem that part of paint enters an inner channel of a valve in the current valve paint spraying process, and adverse effects are caused to use of the valve.
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Description

Technical Field

[0001] The utility model belongs to the field of valve anti-corrosion processing and relates to anti-corrosion paint spraying equipment for valves. Background Art

[0002] The main purpose of valve painting is to protect the valve from erosion by the external environment, enhance the corrosion resistance of the valve, extend its service life, and ensure the normal operation of the valve.

[0003] During the valve painting process, some paint will enter the channel inside the valve. If the material of the paint is incompatible with the medium inside the valve, a chemical reaction may occur, causing corrosion or damage to the valve material. This will seriously affect the structural strength and durability of the valve; in addition, the paint may adhere to the wall of the internal channel of the valve, especially in the valve hole or narrow area. This may cause the inner diameter of the channel to decrease or even cause blockage, thereby affecting the flow efficiency of the medium and the normal operation of the valve. Utility Model Content

[0004] The utility model aims to provide an anti-corrosion painting device for valves, which solves the problem that part of the paint will enter the internal channel of the valve during the current valve painting process, causing adverse effects on the use of the valve.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A kind of anti-corrosion painting equipment for valves, including a horizontally placed base, a vertically placed driving shaft is installed on the top surface of the base, a vertically placed first plug is installed on the upper end of the driving shaft, a vertically placed second plug is installed above the first plug, the vertical center lines of the first plug and the second plug coincide, a vertically placed driven shaft is connected above the second plug, the lower end of the driven shaft is detachably connected to the top of the second plug, the upper end of the driven shaft is connected and fixed to a horizontally placed supporting plate, the supporting plate is connected and fixed to the base through a vertically placed lifting column, the valve waiting to be painted is clamped between the first plug and the second plug, two valve openings are relatively arranged on the valve, the first plug and the second plug are respectively blocked in the two valve openings of the valve, a paint bucket is also installed on the base, and at least one nozzle is connected to the top of the paint bucket through a pipeline, and the nozzle is located on the side of the valve.

[0007] The utility model utilizes the first plug and the second plug to cooperate to block the two valve openings of the valve, which can effectively prevent paint from entering the interior of the valve during the valve spraying process, and solves the problem that part of the paint can enter the internal channel of the valve during the current valve spraying process, causing adverse effects on the use of the valve.

[0008] In the utility model, the base is the supporting structure of the whole device, the driving shaft is used to support the first plug, the driven shaft, the supporting plate and the lifting column are used to support the second plug, the valve is clamped between the first plug and the second plug, the first plug matching the valve is installed on the driving shaft, and the second plug matching the valve is installed on the driven shaft, firstly align the valve opening at one end of the valve with the first plug and press it down so that the first plug is inserted into the valve opening corresponding to the valve, and then adjust the height of the second plug by the lifting column so that the second plug is downwardly inserted into the valve opening on the other side of the valve, and the lifting column will press down the second plug and the valve tightly connected with the second plug during the downward shortening process, so that the valve is tightly connected with the first plug, and in the process of the lifting column pressing down, the valve is clamped between the first plug and the second plug, and then the nozzle above the paint bucket is used to spray paint on the outer wall of the valve, and the paint will not enter the internal channel of the valve through the valve opening during the painting process.

[0009] Furthermore, the lower end of the driving shaft is rotatably connected to the base via a motor, the bottom of the motor is fixedly connected to the base, and the driving shaft is fixedly connected to the rotating shaft of the motor;

[0010] The upper end of the driven shaft passes through the support plate upwards and the driven shaft and the support plate are rotationally connected via a first rolling bearing. The driven shaft is fixedly connected to the inner ring of the first rolling bearing, and the outer ring of the first rolling bearing is fixedly connected to the support plate.

[0011] In the utility model, a motor drives the driving shaft to rotate, and the rotation of the driving shaft drives the valve and the driven shaft to rotate. During the painting process, there is no need to manually move one or more nozzles on one side of the valve. Evenly spraying paint can be obtained during the rotation of the valve, and the painting effect is good. The paint nozzle does not need to be moved manually, and the operation is simple and safe.

[0012] Furthermore, a protective cover is installed on the outside of the motor, the lower end of the driving shaft passes through the top of the protective cover and is connected and fixed to the motor inside the protective cover, the driving shaft and the top of the protective cover are rotatably connected through a second rolling bearing, the inner ring of the second rolling bearing is connected and fixed to the driving shaft, and the outer ring of the second rolling bearing is connected and fixed to the top of the protective cover.

[0013] In order to prevent paint from entering the motor and affecting the normal use of the motor, the utility model installs a protective cover on the outside of the motor. The protective cover is generally a hollow cylindrical tube structure with one end completely open.

[0014] Furthermore, the first plug is threadedly connected to the upper end of the driving shaft, and the second plug is threadedly connected to the lower end of the driven shaft.

[0015] The first plug and the second plug are connected to the corresponding shafts through threads in order to facilitate replacement of the corresponding plugs according to valves of different models.

[0016] Furthermore, the first plug and the second plug are both conical rubber plugs with round surfaces at both ends, the narrow ends of the first plug and the second plug are inserted into the corresponding valve ports, blind holes are opened on the wide surfaces of the first plug and the second plug, and internal threads are evenly distributed inside the blind holes, and the upper end of the driving shaft and the lower end of the driven shaft are both provided with external threads matching the internal threads inside the corresponding blind holes.

[0017] The conical rubber plug has good sealing performance.

[0018] Furthermore, the paint bucket is connected to a vertically placed pipe above, and three nozzles are installed on a side wall of the pipe; the topmost nozzle among the three nozzles is located above the top surface of the valve and the nozzle of the topmost nozzle is inclined downward toward the direction of the top surface of the valve; the bottommost nozzle among the three nozzles is located below the bottom surface of the valve and the nozzle of the bottommost nozzle is inclined upward toward the direction of the bottom surface of the valve.

[0019] The utility model is provided with three nozzles, the uppermost nozzle can spray the top surface of the valve, the lowermost nozzle can spray the bottom surface of the valve, and the middle nozzle sprays the side wall of the valve, so that the three sides are sprayed, the paint is sprayed comprehensively and the effect is good.

[0020] Furthermore, the lowering column is a hydraulic lifting column.

[0021] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0022] 1. The utility model is a kind of anti-corrosion painting equipment for valves. The first plug and the second plug cooperate to block the two valve ports of the valve. During the valve painting process, the paint can be effectively prevented from entering the inside of the valve, solving the problem that part of the paint will enter the internal channel of the valve during the current valve painting process, causing adverse effects on the use of the valve.

[0023] 2. The utility model is provided with three nozzles for the anti-corrosion spraying equipment for valves. The top nozzle can spray the top surface of the valve, the bottom nozzle can spray the bottom surface of the valve, and the middle nozzle can spray the side wall of the valve. The three-side spraying is comprehensive and has a good effect.

[0024] 3. In the utility model, a motor drives the driving shaft to rotate in the anti-corrosion painting equipment for valves, and the rotation of the driving shaft drives the valve and the driven shaft to rotate. During the painting process, there is no need to manually move one or more nozzles on one side of the valve. Evenly sprayed paint can be obtained during the rotation of the valve, and the painting effect is good. The paint nozzle does not need to be moved manually, and the operation is simple and safe. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present utility model and should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work, including:

[0026] Figure 1 It is a structural schematic diagram of the utility model;

[0027] Figure 2 This is a schematic diagram of the installation structure of the driven shaft of the utility model;

[0028] Figure 3 It is a schematic diagram of the structure of the protective cover of the utility model;

[0029] Figure 4 It is a schematic diagram of the plug structure of the utility model.

[0030] Markings in the figure: 1-base, 2-driving shaft, 3-first plug, 4-second plug, 5-driven shaft, 6-support plate, 7-lifting column, 8-paint bucket, 9-valve, 10-nozzle, 11-motor, 12-first rolling bearing, 13-protective cover, 14-second rolling bearing, 15-pipeline. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the utility model provided in the accompanying drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents selected embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without making creative efforts are within the scope of protection of the utility model.

[0033] It should be noted that relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0034] The features and performance of the present invention are further described in detail below in conjunction with the embodiments.

[0035] Example 1

[0036] like Figure 1-Figure 4 As shown, a preferred embodiment of the utility model provides an anti-corrosion painting equipment for valves, including a horizontally placed base 1, a vertically placed driving shaft 2 is installed on the top surface of the base 1, a vertically placed first plug 3 is installed on the upper end of the driving shaft 2, a vertically placed second plug 4 is installed above the first plug 3, the vertical center lines of the first plug 3 and the second plug 4 coincide, a vertically placed driven shaft 5 is connected above the second plug 4, the lower end of the driven shaft 5 is detachably connected to the top of the second plug 4, the upper end of the driven shaft 5 is connected and fixed to a horizontally placed supporting plate 6, the supporting plate 6 is connected and fixed to the base 1 through a vertically placed lifting column 7, a valve 9 waiting for painting is clamped between the first plug 3 and the second plug 4, two valve ports are relatively arranged on the valve 9, the first plug 3 and the second plug 4 are respectively blocked in the two valve ports of the valve 9, a paint bucket 8 is also installed on the base 1, and at least one nozzle 10 is connected to the top of the paint bucket 8 through a pipeline, and the nozzle 10 is located on the side of the valve 9.

[0037] The first plug 3 is threadedly connected to the upper end of the driving shaft 2 , and the second plug 4 is threadedly connected to the lower end of the driven shaft 5 .

[0038] The first plug 3 and the second plug 4 are both conical rubber plugs with round surfaces at both ends. The narrow ends of the first plug 3 and the second plug 4 are inserted into the corresponding valve ports. Blind holes are opened on the wide surfaces of the first plug 3 and the second plug 4, and internal threads are evenly distributed on the inner walls of the blind holes. The upper end of the driving shaft 2 and the lower end of the driven shaft 5 are both provided with external threads matching the internal threads inside the corresponding blind holes.

[0039] The paint bucket 8 is connected to a vertically placed pipe 15 above, and three nozzles 10 are installed on a side wall of the pipe 15; the topmost nozzle 10 among the three nozzles 10 is located above the top surface of the valve 9 and the nozzle of the topmost nozzle 10 is tilted downward in the direction of the top surface of the valve 9; the bottommost nozzle 10 among the three nozzles 10 is located below the bottom surface of the valve 9 and the nozzle of the bottommost nozzle 10 is tilted upward in the direction of the bottom surface of the valve 9.

[0040] The lifting column 7 is a hydraulic lifting column.

[0041] The base in the utility model is the supporting structure of the whole device, the driving shaft is used to support the first plug, the driven shaft, the supporting plate and the lifting column are used to support the second plug, the valve is clamped between the first plug and the second plug, the first plug matched with the valve is installed on the driving shaft, and the second plug matched with the valve is installed on the driven shaft, firstly, the valve opening of one end of the valve is aligned with the first plug and pressed down so that the first plug is inserted into the valve opening corresponding to the valve, and then the height of the second plug is adjusted by the lifting column so that the second plug is downwardly inserted into the valve opening on the other side of the valve, and the second plug and the valve tightly connected with the second plug are pressed down during the downward shortening of the lifting column, so that the valve is tightly connected with the first plug, and during the downward pressing process of the lifting column, the valve is clamped between the first plug and the second plug, and then the nozzle above the paint bucket is used to spray paint on the outer wall of the valve, and the paint will not enter the internal channel of the valve through the valve opening during the painting process, which solves the problem that part of the paint will enter the internal channel of the valve during the current valve painting process, causing adverse effects on the use of the valve.

[0042] Example 2

[0043] In this embodiment, based on the embodiment 1, the lower end of the driving shaft 2 is rotatably connected to the base 1 through the motor 11, the bottom of the motor 11 is fixedly connected to the base 1, and the driving shaft 2 is fixedly connected to the rotating shaft of the motor 11;

[0044] The upper end of the driven shaft 5 passes upward through the support plate 6 and the driven shaft 5 and the support plate 6 are rotatably connected via a first rolling bearing 12 . The driven shaft 5 is fixedly connected to the inner ring of the first rolling bearing 12 , and the outer ring of the first rolling bearing 12 is fixedly connected to the support plate 6 .

[0045] A protective cover 13 is installed on the outside of the motor 11, the lower end of the driving shaft 2 passes through the top of the protective cover 13 and is connected and fixed to the motor 11 inside the protective cover 13, the driving shaft 2 and the top of the protective cover 13 are rotatably connected through a second rolling bearing 14, the inner ring of the second rolling bearing 14 is connected and fixed to the driving shaft 2, and the outer ring of the second rolling bearing 14 is connected and fixed to the top of the protective cover 13.

[0046] In the utility model, the motor drives the driving shaft to rotate, and the rotation of the driving shaft drives the valve and the driven shaft to rotate. During the painting process, there is no need to manually move one or more nozzles on one side of the valve. The paint can be evenly sprayed during the valve rotation process, and the painting effect is good. The paint nozzle does not need to be moved manually, and the operation is simple and safe. In order to prevent paint from entering the motor and affecting the normal use of the motor, the utility model adds a protective cover to the outside of the motor. The protective cover is generally a hollow cylindrical tube structure with one end completely open.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions and improvements made by any technician familiar with the field within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An anti-corrosion painting equipment for valves, characterized by: The invention comprises a horizontally placed base (1), a vertically placed driving shaft (2) is installed on the top surface of the base (1), a vertically placed first plug (3) is installed on the upper end of the driving shaft (2), a vertically placed second plug (4) is installed above the first plug (3), the vertical center lines of the first plug (3) and the second plug (4) coincide, a vertically placed driven shaft (5) is connected above the second plug (4), the lower end of the driven shaft (5) is detachably connected to the top of the second plug (4), and the upper end of the driven shaft (5) is connected to the horizontally placed supporting shaft (2). The support plate (6) is connected and fixed, and the support plate (6) is connected and fixed to the base (1) through a vertically placed lifting column (7). The valve (9) waiting for spraying paint is clamped between the first plug (3) and the second plug (4). Two valve openings are arranged on the valve (9) in a relative manner. The first plug (3) and the second plug (4) are respectively blocked in the two valve openings of the valve (9). A paint bucket (8) is also installed on the base (1). At least one nozzle (10) is connected to the top of the paint bucket (8) through a pipeline, and the nozzle (10) is located on the side of the valve (9).

2. The anti-corrosion paint spraying equipment for valves according to claim 1 is characterized in that: The lower end of the driving shaft (2) is rotatably connected to the base (1) via a motor (11), the bottom of the motor (11) is fixedly connected to the base (1), and the driving shaft (2) is fixedly connected to the rotating shaft of the motor (11); The upper end of the driven shaft (5) passes through the support plate (6) upwards, and the driven shaft (5) and the support plate (6) are rotatably connected via a first rolling bearing (12); the driven shaft (5) is fixedly connected to the inner ring of the first rolling bearing (12), and the outer ring of the first rolling bearing (12) is fixedly connected to the support plate (6).

3. The anti-corrosion paint spraying equipment for valves according to claim 2 is characterized in that: A protective cover (13) is installed outside the motor (11); the lower end of the driving shaft (2) passes through the top of the protective cover (13) and is connected and fixed to the motor (11) inside the protective cover (13); the driving shaft (2) and the top of the protective cover (13) are rotatably connected via a second rolling bearing (14); the inner ring of the second rolling bearing (14) is connected and fixed to the driving shaft (2); and the outer ring of the second rolling bearing (14) is connected and fixed to the top of the protective cover (13).

4. The anti-corrosion paint spraying equipment for valves according to claim 1, characterized in that: The first plug (3) is threadedly connected to the upper end of the driving shaft (2), and the second plug (4) is threadedly connected to the lower end of the driven shaft (5).

5. The anti-corrosion paint spraying equipment for valves according to claim 4 is characterized in that: The first plug (3) and the second plug (4) are both conical rubber plugs with rounded surfaces at both ends. The narrow ends of the first plug (3) and the second plug (4) are inserted into the corresponding valve ports. Blind holes are provided on the wide surfaces of the first plug (3) and the second plug (4), and internal threads are evenly distributed on the inner walls of the blind holes. External threads matching the internal threads inside the corresponding blind holes are distributed on the upper end of the driving shaft (2) and the lower end of the driven shaft (5).

6. The anti-corrosion paint spraying equipment for valves according to claim 1, characterized in that: The paint bucket (8) is connected to a vertically placed pipe (15) at the top, and three nozzles (10) are installed on a side wall of the pipe (15); the topmost nozzle (10) of the three nozzles (10) is located above the top surface of the valve (9), and the nozzle of the topmost nozzle (10) is tilted downward in the direction of the top surface of the valve (9); the bottommost nozzle (10) of the three nozzles (10) is located below the bottom surface of the valve (9), and the nozzle of the bottommost nozzle (10) is tilted upward in the direction of the bottom surface of the valve (9).

7. The anti-corrosion paint spraying equipment for valves according to claim 1, characterized in that: The lifting column (7) is a hydraulic lifting column.