A splash-proof baffle for a high-pressure spray gun for cleaning a screen printing screen

Abstract

This utility model discloses a splash guard for a high-pressure spray gun used for cleaning printing screens, specifically relating to the technical field of printing screen cleaning equipment. It includes a connecting base, with a fixed base securely connected to the right side of the connecting base via welding. A spray bar is welded and fixed to the right side of the fixed base. The spray bar has an external thread on its outer side away from the fixed base, and an internal thread sleeve is fitted onto the outer thread of the spray bar. The baffle and splash guard block high-pressure water flow from multiple directions, significantly reducing the splash range during cleaning, avoiding water waste, protecting the working environment, and reducing potential hazards to personnel and equipment. Simultaneously, the device is highly adjustable; the position of the spray base on the spray bar, the length of the telescopic rod extending beyond the protective sleeve, and the angle of the splash guard can all be flexibly adjusted according to actual cleaning needs. It can adapt to the cleaning of printing screens of different sizes and positions, exhibiting high versatility and practicality.

Description

Technical Field

[0001] This utility model relates to the technical field of printing screen cleaning equipment, and more specifically, to a splash guard for a high-pressure spray gun for cleaning printing screens. Background Technology

[0002] In the printing industry, printing screens play a crucial role, determining the pattern and precision of the print. Over time, ink, impurities, and other stains will gradually accumulate on the printing screens.

[0003] A search revealed that patent publication number CN218758558U discloses a paint spraying anti-splatter device, which can be installed at the nozzle end of a spraying machine. It includes a protective disc and a support rod. The protective disc is positioned on the side of the nozzle away from the work surface, with one side inclined towards the work surface. The end of the protective disc closest to the work surface abuts against the surface, effectively preventing paint splattering, improving construction efficiency, and featuring a simple structure and convenient operation. The inventors discovered the following problems with the existing technology during the development of this utility model:

[0004] During the cleaning process, splashing water not only wastes water resources and increases production costs, but also pollutes the surrounding work environment, making the work area damp and dirty, affecting the operator's work experience and efficiency. Secondly, splashing water may also splash onto surrounding equipment and tools, damaging the equipment and affecting its normal operation and service life.

[0005] Therefore, a splash guard for high-pressure spray guns used for cleaning printing screens is proposed to address the above problems. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the present invention provides a splash guard for high-pressure spray guns used for cleaning printing screens, so as to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a splash guard for cleaning high-pressure spray guns of printing screens, including a connecting seat. A fixed seat is securely connected to the right side of the connecting seat, and the two are tightly connected by welding. A water spray rod is fixedly installed on the right side of the fixed seat by welding. An external thread is provided on the outer side of the end of the water spray rod away from the fixed seat. An internal thread sleeve is fitted on the outer thread of the water spray rod. The internal thread sleeve and the external thread are tightly connected by threads. A connecting rod is detachably placed on top of the fixed seat. A protective sleeve is fixedly installed on one end of the connecting rod by welding. A telescopic rod is movably installed inside the protective sleeve. The telescopic rod can freely extend and retract within the protective sleeve. A positioning hole is provided on the top of the telescopic rod. A fixing bolt is detachably installed at the bottom of the telescopic rod. A splash guard is detachably installed in the middle of the fixing bolt. The telescopic rod and the fixing bolt are positioned by means of the splash guard.

[0008] Preferably, a positioning bolt is installed in the lateral position of the fixed seat and the water spray rod. During installation, the positioning bolt passes through the fixed seat and the water spray rod in sequence. The head of the positioning bolt remains on one side of the fixed seat, while the other end extends to the side of the water spray rod away from the fixed seat. A fastening nut is also threaded on the outside of the positioning bolt.

[0009] Preferably, the internal threaded sleeve can be moved on the water spray rod by rotating the internal threaded sleeve. A water spray seat is fixedly installed on one side of the internal threaded sleeve. A baffle is fixedly installed on the upper side of the water spray seat by welding. A water spray hole is opened laterally on the right side of the water spray seat. The water spray hole is located directly below the splash guard.

[0010] Preferably, the top of the fixing base is provided with a positioning screw hole, and a gasket is placed on top of the fixing base.

[0011] Preferably, the size of the gasket is adapted to the top structure of the fixing seat, and the inner ring of the gasket coincides with the inner ring of the positioning screw hole. When the connecting rod is placed above the fixing seat, the top of the gasket is in close contact with the bottom of the connecting rod.

[0012] Preferably, a rotating handle is placed above the fixing base, and the rotating handle has a through hole running vertically through it. The diameter of the through hole matches the diameter of the screw to be installed later. When installing, the screw is screwed in from the through hole of the rotating handle, and the screw will smoothly pass through the rotating handle and extend into the positioning screw hole at the top of the fixing base.

[0013] Preferably, the upper part of the protective sleeve has a hole for installing a positioning pin, which is adapted to the outer diameter of the positioning pin and the size of the hole. When the telescopic rod needs to be positioned, the positioning pin can be detachably installed by passing through both the protective sleeve and the telescopic rod.

[0014] The technical effects and advantages of this utility model are as follows:

[0015] Compared with existing technologies, this anti-splash baffle for high-pressure spray guns used for cleaning printing screens forms a double anti-splash structure by setting up an anti-splash plate and a baffle. The water spray holes are located directly below the anti-splash plate, which can block water splashing to the greatest extent, reduce water waste, protect the working environment, and improve operational safety and environmental friendliness. The anti-splash plate is made of transparent material, allowing operators to clearly observe the cleaning process of the printing screen and adjust the cleaning position and pressure in a timely manner to ensure the cleaning effect.

[0016] Compared with existing technologies, this anti-splash baffle for high-pressure spray guns used for cleaning printing screens features a flexible water spray base that can be moved by rotating the internal threaded sleeve to adapt to different cleaning positions. The telescopic rod extends and retracts freely within the protective sleeve and is positioned by a locating pin, allowing for adjustment of the anti-splash range according to actual conditions. The rotating handle, in conjunction with the screw, securely connects the connecting rod to the fixed base, and the gasket design increases connection stability. These adjustable designs enable the device to adapt to cleaning operations of printing screens of different sizes and positions, making it highly versatile. Furthermore, the anti-splash baffle is detachable for easy replacement and maintenance, ensuring a long-lasting and stable anti-splash effect. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model.

[0018] Figure 2 This is a top view of the structure of this utility model.

[0019] Figure 3 This is a front view structural diagram of the present utility model.

[0020] Figure 4 This is a schematic diagram of the right-side structure of this utility model.

[0021] The attached diagram is labeled as follows: 1. Connecting seat; 2. Fixing seat; 3. Spray bar; 4. External thread; 5. Positioning bolt; 6. Fastening nut; 7. Internal thread sleeve; 8. Spray base; 9. Baffle; 10. Spray hole; 11. Positioning screw hole; 12. Rotating handle; 13. Screw; 14. Washer; 15. Connecting rod; 16. Protective sleeve; 17. Telescopic rod; 18. Positioning hole; 19. Positioning pin; 20. Fixing bolt; 21. Splash guard. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0023] Example 1

[0024] As attached Figures 1 to 4 The illustrated high-pressure spray gun anti-splash baffle for cleaning printing screens includes a connecting seat 1. A fixed seat 2 is securely connected to the right side of the connecting seat 1, and the two are tightly connected by welding. A spray rod 3 is fixedly installed on the right side of the fixed seat 2 by welding. An external thread 4 is provided on the outer side of the end of the spray rod 3 away from the fixed seat 2. An internal thread sleeve 7 is fitted on the outer thread of the spray rod 3, and the internal thread sleeve 7 and the external thread 4 are tightly connected by threads. A connecting rod 15 is detachably placed on the top of the fixed seat 2. A protective sleeve 16 is fixedly installed on one end of the connecting rod 15 by welding. A telescopic rod 17 is movably installed inside the protective sleeve 16. The telescopic rod 17 can freely extend and retract within the protective sleeve 16. A positioning hole 18 is opened on the top of the telescopic rod 17. A fixing bolt 20 is detachably installed at the bottom of the telescopic rod 17. A splash guard 21 is detachably installed in the middle of the fixing bolt 20. The telescopic rod 17 and the fixing bolt 20 are positioned by means of the splash guard 21.

[0025] Specifically: By setting up the splash guard 21, the water splashed during high-pressure spray cleaning can be effectively blocked, avoiding water waste, reducing pollution to the surrounding environment, creating a safe and clean working environment for operators, and improving the safety and environmental friendliness of cleaning operations; Next, it is flexible and convenient to adjust. The internal threaded sleeve 7 on the spray bar 3 can be moved flexibly with the help of the external thread 4, making it easy to adjust the spray position; The telescopic rod 17 inside the protective sleeve 16 can be freely extended and retracted, and can be positioned by the positioning pin 19 and the positioning hole 18, which can flexibly adjust the splash range according to the printing screen of different sizes and positions, adapting to various cleaning scenarios; Second, it is easy to install and maintain. The connecting rod 15 can be detached and placed on the fixed base 2, and the splash guard 21 and the fixing bolt 20 can be detached and installed, which facilitates the assembly, disassembly and subsequent maintenance and replacement of the equipment, reduces the cost of use, extends the service life of the equipment, and improves the overall efficiency of use.

[0026] Example 2

[0027] Based on Embodiment 1, the solution in Embodiment 1 will be further described in detail below with reference to the specific working method, such as... Figures 1 to 4 As shown below, see details:

[0028] In a preferred embodiment, a positioning bolt 5 is installed in the lateral position of the fixing seat 2 and the water spray rod 3. During installation, the positioning bolt 5 passes through the fixing seat 2 and the water spray rod 3 in sequence. The head of the positioning bolt 5 remains on one side of the fixing seat 2, while the other end extends to the side of the water spray rod 3 away from the fixing seat 2. A fastening nut 6 is also threaded on the outside of the positioning bolt 5. After the positioning bolt 5 is installed in place, tightening the fastening nut 6 can make the connection between the fixing seat 2 and the water spray rod 3 more secure, effectively preventing them from loosening or shifting during use.

[0029] In a preferred embodiment, the internal threaded sleeve 7 can be moved on the spray rod 3 by rotating the internal threaded sleeve 7. A spray seat 8 is fixedly installed on one side of the internal threaded sleeve 7. A baffle 9 is fixedly installed on the upper side of the spray seat 8 by welding. During welding, the welding parameters are strictly controlled to ensure that the baffle 9 and the spray seat 8 are tightly connected and have sufficient strength. The baffle 9 can play a certain role in blocking and guiding. A spray hole 10 is opened laterally on the right side of the spray seat 8. The diameter of the spray hole 10 is designed to make the water flow uniform and stable, meet specific water spraying needs, and ensure the effect and quality of the water spraying operation. The spray hole 10 is located directly below the splash guard 21. The splash guard 21 can block the water flow sprayed from the spray hole 10 to the greatest extent. When the water flow begins to splash upward and in all directions, it will be effectively intercepted by the splash guard 21, which greatly reduces the splash range of the water flow, improves the splash prevention effect, and ensures the cleanliness and safety of the cleaning operation environment.

[0030] As a preferred embodiment, the top of the fixing base 2 is provided with a positioning screw hole 11. The position of the positioning screw hole 11 has been carefully considered and is located on the top of the fixing base 2 for easy operation and to play the best positioning role. The diameter and depth of the positioning screw hole 11 strictly follow the design standards. The hole wall is smooth and flat, and the threads are clear and regular. It can be matched with bolts of the corresponding specifications, providing a stable and reliable connection base for subsequent installation of positioning components, ensuring the accuracy and firmness of the installation.

[0031] In a preferred embodiment, a gasket 14 is placed on top of the fixing base 2. The size of the gasket 14 is adapted to the top structure of the fixing base 2. The inner ring of the gasket 14 coincides with the inner ring of the positioning screw hole 11 to ensure that there is no misalignment during installation. The material of the gasket 14 has good elasticity and wear resistance, which can play a buffering and protective role. When the connecting rod 15 is placed on top of the fixing base 2, the top of the gasket 14 and the bottom of the connecting rod 15 are tightly fitted, effectively increasing the contact area, dispersing pressure, and preventing the connecting rod 15 from directly contacting the fixing base 2 and causing wear.

[0032] In a preferred embodiment, a rotating handle 12 is placed on top of the fixing base 2. The rotating handle 12 is ergonomically designed to facilitate gripping and applying force by the operator. The rotating handle 12 has a through hole running vertically through it, the diameter of which matches the diameter of the screw 13 to be installed later. The interior of the rotating handle 12 adopts a threaded structure with regular threads and appropriate depth to ensure the stability of the connection. When installing, the screw 13 is screwed into the through hole of the rotating handle 12. The screw 13 will smoothly pass through the rotating handle 12 and extend into the positioning screw hole 11 at the top of the fixing base 2 to achieve a firm connection.

[0033] In a preferred embodiment, the upper part of the protective sleeve 16 is provided with a hole for installing the positioning pin 19, which is adapted to the outer diameter of the positioning pin 19 and the size of the hole to ensure that the positioning pin 19 can be installed smoothly. When it is necessary to position the telescopic rod 17, the positioning pin 19 can pass through both the protective sleeve 16 and the telescopic rod 17 for detachable installation. By installing the positioning pin 19, the movement of the telescopic rod 17 within the protective sleeve 16 can be effectively restricted, thereby achieving precise positioning.

[0034] The working process of this utility model is as follows: In use, firstly, the connecting seat 1 and the fixed seat 2 are tightly connected by welding. The water spray rod 3 is welded to the right side of the fixed seat 2, and an external thread 4 is provided on the outer side of the end of the water spray rod 3 away from the fixed seat 2. Next, the positioning bolt 5 is passed through the fixed seat 2 and the water spray rod 3 in the lateral position. The head of the positioning bolt 5 remains on one side of the fixed seat 2, and the other end extends to the side of the water spray rod 3 away from the fixed seat 2. Then, a fastening nut 6 is fitted on the outer thread of the positioning bolt 5. Finally, the inner thread is fitted with... 7 is threaded onto the external thread 4 of the water spray rod 3. By rotating the internal thread sleeve 7, it can be moved on the water spray rod 3. A water spray seat 8 is fixedly installed on one side of the internal thread sleeve 7. A baffle 9 is welded on the upper side of the water spray seat 8. A water spray hole 10 is opened laterally on the right side. At the same time, a shim 14 is placed on the top of the fixed seat 2. The size of the shim 14 is adapted to the top structure of the fixed seat 2. The inner ring coincides with the inner ring of the positioning screw hole 11. The connecting rod 15 is detachably placed on the fixed seat 2 so that the top of the shim 14 and the bottom of the connecting rod 15 are tightly fitted.

[0035] A rotating handle 12 is placed above the fixed base 2. The screw 13 is screwed into the through hole of the rotating handle 12, passes through the rotating handle 12 and extends into the positioning screw hole 11 at the top of the fixed base 2 to complete the fixing of the connecting rod 15. A protective sleeve 16 is welded to one end of the connecting rod 15. The telescopic rod 17 is movably installed inside the protective sleeve 16 so that it can freely extend and retract within the protective sleeve 16. A fixing bolt 20 is detachably installed at the bottom of the telescopic rod 17. A splash guard 21 is detachably installed in the middle of the fixing bolt 20. The telescopic rod 17 and the fixing bolt 20 are positioned by means of the splash guard 21.

[0036] When it is necessary to position the telescopic rod 17, the positioning pin 19 is inserted through the corresponding hole on both the protective sleeve 16 and the telescopic rod 17 for detachable installation.

Claims

1. A splash guard for cleaning high-pressure spray guns of printing screens, comprising a connecting seat (1), characterized in that: The right side of the connecting seat (1) is securely connected to the fixing seat (2), and the two are tightly connected by welding. The right side of the fixing seat (2) is fixedly installed with a water spray rod (3) by welding. The outer side of the end of the water spray rod (3) away from the fixing seat (2) is provided with an external thread (4). An internal thread sleeve (7) is fitted on the outer thread of the water spray rod (3). The internal thread sleeve (7) and the external thread (4) are tightly connected by threads. A connecting rod (15) is detachably placed on top of the fixing seat (2). One end of the device is fixedly installed with a protective sleeve (16) by welding. A telescopic rod (17) is movably installed inside the protective sleeve (16). The telescopic rod (17) can freely extend and retract within the protective sleeve (16). A positioning hole (18) is provided above the telescopic rod (17). A fixing bolt (20) is detachably installed at the bottom of the telescopic rod (17). A splash guard (21) is detachably installed in the middle of the fixing bolt (20). The telescopic rod (17) and the fixing bolt (20) are positioned by means of the splash guard (21).

2. The anti-splash baffle for high-pressure spray gun cleaning of printing screen as described in claim 1, characterized in that: Positioning bolts (5) are installed in the lateral position of the fixed seat (2) and the water spray rod (3). The positioning bolts (5) pass through the fixed seat (2) and the water spray rod (3) in sequence. The head of the positioning bolts (5) remains on one side of the fixed seat (2), while the other end extends to the side of the water spray rod (3) away from the fixed seat (2). A fastening nut (6) is also threaded on the outside of the positioning bolts (5).

3. The anti-splash baffle for high-pressure spray gun cleaning of printing screen as described in claim 1, characterized in that: By rotating the internal threaded sleeve (7), the internal threaded sleeve (7) can be moved on the water spray rod (3). A water spray seat (8) is fixedly installed on one side of the internal threaded sleeve (7). A baffle (9) is fixedly installed on the upper side of the water spray seat (8) by welding. A water spray hole (10) is opened laterally on the right side of the water spray seat (8). The water spray hole (10) is located directly below the splash guard (21).

4. The anti-splash baffle for high-pressure spray gun cleaning of printing screen as described in claim 1, characterized in that: The top of the fixing seat (2) is provided with a positioning screw hole (11), and a gasket (14) is placed on the top of the fixing seat (2).

5. A splash guard for cleaning high-pressure spray guns of printing screens according to claim 4, characterized in that: The size of the gasket (14) is adapted to the top structure of the fixing seat (2). The inner ring of the gasket (14) coincides with the inner ring of the positioning screw hole (11). When the connecting rod (15) is placed above the fixing seat (2), the top of the gasket (14) is in close contact with the bottom of the connecting rod (15).

6. The anti-splash baffle for high-pressure spray gun cleaning of printing screen as described in claim 5, characterized in that: A rotating handle (12) is placed above the fixed base (2). The rotating handle (12) has a through hole running vertically through it. The diameter of the through hole matches the screw (13) to be installed later. When installing, the screw (13) is screwed in from the through hole of the rotating handle (12). The screw (13) will pass smoothly through the rotating handle (12) and extend into the positioning screw hole (11) at the top of the fixed base (2).

7. The anti-splash baffle for high-pressure spray gun cleaning of printing screen as described in claim 1, characterized in that: The protective sleeve (16) has a hole for installing a positioning pin (19) at the top position. The size of the positioning pin (19) is adapted to the outer diameter of the positioning pin (19) and the size of the hole. When the telescopic rod (17) needs to be positioned, the positioning pin (19) can pass through the protective sleeve (16) and the telescopic rod (17) at the same time for detachable installation.

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