Coating mixing and spraying device suitable for narrow-spacing limited construction space
The paint mixing and spraying device addresses the challenge of applying coatings in narrow transformer heat sink spaces by using a device with a storage unit, stirring component, and heating units to ensure consistent temperature and efficient spraying, enhancing maintenance efficiency and safety.
Patent Information
- Application Number
- CN202420903896.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-28
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-28
AI Technical Summary
Conventional spraying equipment struggles to perform fast and stable repainting operations on transformer heat sinks due to narrow spacing and limited construction space, leading to issues like radiator oil leakage and uneven coating application.
A paint mixing and spraying device with a box body containing a storage unit, stirring component, and spraying component, equipped with resistance wire heating units to maintain constant temperature and a thin, long spraying rod for narrow spaces, allowing simultaneous spraying on both sides of the heat sinks.
Ensures stable and efficient coating application in narrow and deep spaces by maintaining paint viscosity and fluidity, facilitating even mixing and spraying, thereby improving maintenance efficiency and preventing accidents.
Smart Images
Figure CN222197543U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of paint spraying, and more specifically, particularly to a paint mixing and spraying device suitable for narrow-spacing limited construction space. Background Art
[0002] The power system transformer needs to effectively dissipate heat through the radiator to reduce the heat generated by the winding and ensure the normal operation of the power system. The interface formed by the high-temperature surface of the radiator and the cold air puts the coating in a harsh service environment. The radiator oil leakage caused by the cracking of the coating can easily cause major production safety accidents.
[0003] The surface coating of transformer heat sink is generally applied by dipping to ensure the uniformity of the coating on the surface of the heat sink. However, cracked and peeled radiator fins cannot be repainted by dipping. In addition, due to the limitation of less than 10cm fin spacing and up to 1m depth of the radiator, existing conventional spraying equipment is difficult to achieve fast spraying operation and cannot maintain the stability of the coating during the repainting process.
[0004] Therefore, it is necessary to provide a device that can realize effective spraying construction under the conditions of narrow spacing and limited construction space of transformer heat sinks while ensuring the stability of the coating. Utility Model Content
[0005] The purpose of the utility model is to provide a paint mixing and spraying device suitable for narrow-spacing limited construction space to solve the problems existing in the prior art. A spraying assembly is arranged on one side of a box body, and the spraying assembly is used to easily extend between heat sinks with narrow spacing and long depth to complete the spraying operation. A resistance wire heating unit and a stirring assembly are arranged in the box body to ensure the stability of the paint during the spraying process.
[0006] To achieve the above-mentioned purpose, the utility model provides the following scheme: The utility model provides a paint mixing and spraying device suitable for narrow-spacing and limited construction space, including: a box body, a storage unit is arranged in the box body, and the storage unit is respectively placed with paint, solvent and additives, and the paint, solvent and additives can flow out of the storage unit simultaneously or sequentially; a stirring component, the stirring component is arranged in the box body and below the storage unit, and the stirring component is used to stir the paint; a spraying component, the spraying component is arranged on one side of the box body, the spraying component includes a spraying rod and a spray head, the spray head is connected to one end of the spraying rod, and the other end of the spraying rod is connected to the box body, and the spraying rod extends between the heat sinks so that the spray head can spray the heat sinks on both sides at the same time; a resistance wire heating unit, the resistance wire heating units are respectively distributed on the box body and the spraying component, so that the paint is in a constant temperature state.
[0007] Furthermore, the spray head is connected to the top end of the spray rod through a three-way thread, the bottom end of the spray rod is connected to a hose, and the hose is connected to the box.
[0008] Furthermore, two nozzles are provided, and the two nozzles are respectively connected to two opposite sides of the three-way thread, and the resistance wire heating unit is provided beside the nozzle.
[0009] Furthermore, the box body includes a constant temperature box, a filling port is provided on the top of the constant temperature box, the paint, solvent and additive are added into the constant temperature box through the filling port, the resistance wire heating unit is provided on the inner side plate of the constant temperature box, and a first discharge port is provided at the bottom of the constant temperature box.
[0010] Furthermore, the constant temperature box is respectively provided with a first chamber, a second chamber and a third chamber, the tops of the first chamber, the second chamber and the third chamber are respectively provided with filling ports, the bottoms of the first chamber, the second chamber and the third chamber are respectively provided with first discharge ports, and the first chamber, the second chamber and the third chamber are respectively provided with coatings, solvents and additives.
[0011] Furthermore, the box body also includes a stirring box, which is arranged at the bottom of the constant temperature box, and the stirring box is connected to the constant temperature box through the first discharge port.
[0012] Furthermore, a plurality of electric stirrers are arranged in the mixing box, and a second discharge port is arranged at the bottom of the mixing box.
[0013] Furthermore, the box body also includes an extrusion box, which is arranged at the bottom of the mixing box, and the extrusion box is connected to the mixing box through the second discharge port.
[0014] Furthermore, a flow channel is provided at the bottom of the extrusion box, and the flow channel is connected to the extrusion box through a third discharge port. An electric hydraulic rod is provided at one end of the flow channel, and a fourth discharge port is provided at the other end. The fourth discharge port is connected to the hose.
[0015] Furthermore, a shell is arranged outside the box, and an integrated thermocouple temperature digital display screen, a switch and a battery box are arranged on the shell.
[0016] The utility model discloses the following technical effects:
[0017] In the device, a spraying assembly is arranged on one side of the box body, wherein the spraying rod is thin and long so as to be inserted between the heat sinks with narrow spacing and long depth, so that the nozzle on the top of the spraying rod can spray the heat sinks on both sides; a storage unit is arranged in the box body so as to store the coating, solvent and additive separately, so as to facilitate the coating, solvent and additive to flow out of the storage unit simultaneously or sequentially for mixing, and the operation is convenient; a stirring assembly is arranged in the box body so as to stir the coating so as to make the coating mixed evenly; a resistance wire heating unit is arranged on both the box body and the spraying assembly so as to ensure that the coating is always in a constant temperature state, maintain the viscosity and fluidity of the coating, and facilitate the spraying operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] 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 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 work.
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the structure of the nozzle assembly of the utility model;
[0021] Among them, 1. Constant temperature box; 101. First chamber; 102. Second chamber; 103. Third chamber; 2. Filling port; 3. First discharge port; 4. Mixing box; 5. Electric stirrer; 6. Second discharge port; 7. Extrusion box; 8. Third discharge port; 9. Flow channel; 10. Fourth discharge port; 11. Electric hydraulic rod; 12. Spray rod; 13. Nozzle; 14. Resistance wire heating unit; 15. Hose. DETAILED DESCRIPTION
[0022] 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.
[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0024] like Figure 1As shown, the utility model provides a paint mixing and spraying device suitable for narrow-spacing limited construction space, comprising: a box body, a storage unit is arranged in the box body, and paint, solvent and additive are respectively placed in the storage unit, and the paint, solvent and additive can flow out of the storage unit simultaneously or sequentially; a stirring component, the stirring component is arranged in the box body and below the storage unit, and the stirring component is used to stir the paint; a spraying component, the spraying component is arranged on one side of the box body and is connected to the box body, and the spraying component extends between the heat sinks to realize simultaneous spraying of the heat sinks on both sides; a resistance wire heating unit 14, and the resistance wire heating unit 14 is respectively distributed on the box body and the spraying component, so that the paint is in a constant temperature state.
[0025] The box body includes a constant temperature box 1, a stirring box 4 and an extrusion box 7. The stirring box 4 is arranged at the bottom of the constant temperature box 1, and the constant temperature box 1 and the stirring box 4 are connected through a first discharge port 3. The extrusion box 7 is arranged at the bottom of the stirring box 4, and the stirring box 4 and the extrusion box 7 are connected through a second discharge port 6. An outer shell is arranged outside the box body, and a thermocouple temperature digital display screen, a switch, a handheld spray rod 12 position and a battery box are integrated on the outer shell. The outer shell also marks the feed port and the discharge port, hazard signs, flammable signs and other safety signs.
[0026] A filling port 2 is provided at the top of the thermostatic box 1, and a first discharge port 3 is provided at the bottom. A storage unit is provided in the thermostatic box 1, and the storage unit includes a first chamber 101, a second chamber 102 and a third chamber 103. The first chamber 101, the second chamber 102 and the third chamber 103 are separated by a partition. The first chamber 101, the second chamber 102 and the third chamber 103 have a filling port 2 at the top and a first discharge port 3 at the bottom respectively. Paint, solvent and additive are placed in the first chamber 101, the second chamber 102 and the third chamber 103 respectively, so as to realize the packaging and storage of different components, and are suitable for mixing and stirring of polyurea and other coatings.
[0027] The thermostatic box 1 is provided with a resistance wire heating unit 14 on the side wall and the internal partition. The resistance wire heating unit 14 is used to heat the paint precursor container and keep it warm to a preset temperature by thermocouple testing. The measured temperature can be displayed on the integrated thermocouple temperature digital display screen. The thermostatic box 1 is provided with a filling port 2 on the top of the chamber for paint, solvent, and additive according to the function of the box unit, and is sealed with a threaded sealing ring to prevent water vapor from entering and contaminating the raw materials.
[0028] A first discharge port 3 is provided at the bottom of the first chamber 101, the second chamber 102 and the third chamber 103 in the constant temperature box 1. An electric switch is provided at the first discharge port 3. The electric switch is provided at the outer shell. The opening or closing of the first discharge port 3 is controlled by controlling the electric switch, so that the paint, solvent and additive can be controlled to flow into the mixing box 4 simultaneously or in sequence to achieve mixing of the paint.
[0029] After opening the first discharge port 3, the paint components in the constant temperature box 1 enter the mixing box 4 respectively. A stirring assembly is provided in the mixing box 4. The stirring assembly includes a plurality of electric stirrers 5 for stirring and mixing the raw materials in the mixing box 4. In the present embodiment, five electric stirrers 5 are provided, of which three electric stirrers 5 are horizontally arranged and two electric stirrers 5 are vertically arranged, respectively arranged on the two side walls of the mixing box 4. The control switch of the electric stirrer 5 is arranged on the outer casing. The electric stirrer 5 is started, and the paint vortex generated by the electric stirrer 5 is used to achieve uniform stirring of the paint components.
[0030] A resistance wire heating unit 14 (not shown in the figure) is provided on the inner wall of the mixing box 4. The temperature of the raw materials in the mixing box 4 is controlled by the resistance wire heating unit 14. By adjusting the temperature of different chambers in the storage unit, the performance of different components of paint in different chambers is kept in the best state, so that the viscosity and fluidity of the paint meet the requirements during mixing.
[0031] A second discharge port 6 is provided at the bottom of the mixing box 4. The method of controlling the opening or closing of the second discharge port 6 is the same as the method of controlling the opening or closing of the first discharge port 3, and is controlled by a switch provided on the outer shell. In the present embodiment, two second discharge ports 6 are provided. When the second discharge port 6 is in the open state, the well-mixed paint enters the extrusion box 7 through the second discharge port 6.
[0032] A resistance wire heating unit 14 is provided in the extrusion box 7 to keep the coating warm and maintain the fluidity of the coating.
[0033] A flow channel 9 is provided at the bottom of the extrusion box 7, and a third discharge port 8 is provided at the top of the flow channel 9. The third discharge port 8 is a one-way valve. The paint in the extrusion box 7 enters the flow channel 9 through the third discharge port 8. An electric hydraulic rod 11 is provided at one end of the flow channel 9, and a fourth discharge port 10 is provided at the other end. The fourth discharge port 10 is connected to a spraying assembly. The paint entering the flow channel 9 enters the spraying assembly through the fourth discharge port 10 under the push of the electric hydraulic rod 11, and the spraying operation is performed. When the electric hydraulic rod 11 is recovered, the negative pressure generated opens the one-way valve at the third discharge port 8, and the paint enters the flow channel 9. The electric hydraulic rod 11 pushes in the flow channel 9, which facilitates pushing the paint in the flow channel 9 into the spraying assembly, and spraying the heat sink through the spraying assembly.
[0034] The spraying assembly includes a spray head 13 and a spraying rod 12. The top end of the spraying rod 12 is connected to the spray head 13 through a three-way thread. In the present embodiment, two spray heads 13 are provided, and the two spray heads 13 are respectively installed on the opposite sides of the three-way thread, so as to facilitate simultaneous spraying of the heat sinks on both sides. The other end of the spraying rod 12 is connected to a hose 15, and the hose 15 is connected to the fourth discharge port 10; the spraying rod 12 is provided with a power switch of the electric hydraulic rod 11, which is used to control the working state of the electric hydraulic rod 11, and then control the spraying time and spraying amount; the spraying rod 12 is thin and long, which is convenient for extending into a spraying environment with narrow spacing and long depth. The spraying rod 12 is held by hand for spraying, which is convenient for controlling the spraying time and position, so as to achieve re-coating of cracks and detachments on the surface of the heat sink.
[0035] The resistance wire heating unit 14 is arranged beside the nozzle 13 to ensure that the temperature of the paint sprayed out by the nozzle 13 is the optimal curing temperature of the paint, further ensuring the fluidity of the paint.
[0036] The spray rod 12 is a handheld spray rod 12. Through its thin and compact handheld design, it can be conveniently inserted into the space between the radiator fins to spray the surface coating of the radiator fins, thereby improving the efficiency of the radiator fin paint repair construction and solving the paint spraying problem in narrow spacing and limited construction space.
[0037] A clamping position for the spray rod 12 is also provided on the outer shell, which is convenient for placing the spray rod 12 after spraying is completed; the switches on the outer shell include a control switch for the resistance wire heating unit 14, a switch for opening or closing the first discharge port 3, the second discharge port 6, and the third discharge port 8, and a control switch for the electric stirrer 5; batteries are provided in the battery box for powering the box body and the electrical components in the spray assembly.
[0038] In this embodiment, the device has a small size, which is convenient for spraying the gap between the sheets; the first discharge port 3 below the first chamber 101, the second chamber 102 and the third chamber 103 is controlled by the electronic control unit, so that the paint and the additive enter the mixing box 4 respectively for mixing and stirring, and the evenly stirred paint enters the extrusion box 7, and the paint is squeezed into the spray rod 12 by the electric hydraulic rod 11 and sprayed through the nozzle 13. During the process, the resistance wire heating unit 14 always keeps the paint warm to ensure that the paint is at the optimal maintenance temperature. During the mixing and spraying process of the paint, a resistance wire heating unit is provided to keep it warm, further ensuring the viscosity and fluidity of the paint during spraying, so that the paint can be firmly attached to the surface of the heat sink when sprayed; the device is used for rapid repair spraying of the paint on the surface of the radiator, saving the time of brushing the paint between the narrow-spaced sheets and improving the maintenance efficiency of the heat sink.
[0039] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0040] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.
Claims
1. A coating mixing and spraying device suitable for narrow spacing and limited construction space, It is characterized in that include: A box body, wherein a storage unit is arranged in the box body, and the storage unit is respectively filled with paint, solvent and additive, and the paint, solvent and additive can flow out of the storage unit simultaneously or sequentially; A stirring component, the stirring component is arranged in the box and below the storage unit, and the stirring component is used to stir the paint; A spraying assembly, the spraying assembly being arranged on one side of the housing, the spraying assembly comprising a spraying rod (12) and a spray head (13), the spray head (13) being connected to one end of the spraying rod (12), the other end of the spraying rod (12) being connected to the housing, the spraying rod (12) extending between the heat sinks so that the spray head (13) can spray the heat sinks on both sides simultaneously; A resistance wire heating unit (14) is respectively distributed on the box body and the spraying assembly, so that the paint is kept in a constant temperature state.
2. The coating mixing and spraying device suitable for narrow spacing and limited construction space according to claim 1, Features: The spray head (13) is connected to the top end of the spray rod (12) through a three-way thread, and the bottom end of the spray rod (12) is connected to a hose (15), and the hose (15) is connected to the box.
3. The coating mixing and spraying device suitable for narrow spacing and limited construction space according to claim 2, Features: Two nozzles (13) are provided, and the two nozzles (13) are respectively connected to two opposite sides of the three-way thread, and the resistance wire heating unit (14) is provided beside the nozzle (13).
4. The coating mixing and spraying device suitable for narrow spacing and limited construction space according to claim 3, Features: The box body comprises a constant temperature box (1), a filling port (2) is arranged at the top of the constant temperature box (1), the coating, solvent and auxiliary agent are added into the constant temperature box (1) through the filling port (2), the resistance wire heating unit (14) is arranged on the inner side plate of the constant temperature box (1), and a first discharge port (3) is arranged at the bottom of the constant temperature box (1).
5. The coating mixing and spraying device suitable for narrow spacing and limited construction space according to claim 4, Features: The storage unit is arranged in the thermostatic box (1), and the storage unit comprises a first chamber (101), a second chamber (102) and a third chamber (103); the tops of the first chamber (101), the second chamber (102) and the third chamber (103) are respectively provided with the filling ports (2); the bottoms of the first chamber (101), the second chamber (102) and the third chamber (103) are respectively provided with first discharge ports (3); and the first chamber (101), the second chamber (102) and the third chamber (103) are respectively provided with coating materials, solvents and additives.
6. The coating mixing and spraying device suitable for narrow spacing and limited construction space according to claim 4, Features: The box body further comprises a stirring box (4), wherein the stirring box (4) is arranged at the bottom of the constant temperature box (1), and the stirring box (4) is connected to the constant temperature box (1) via the first discharge port (3).
7. The coating mixing and spraying device suitable for narrow spacing and limited construction space according to claim 6, Features: The stirring box (4) is provided with the stirring assembly, which includes a plurality of electric stirrers (5). The bottom of the stirring box (4) is provided with a second discharge port (6).
8. The coating mixing and spraying device suitable for narrow spacing and limited construction space according to claim 7, Features: The box body further comprises an extrusion box (7), wherein the extrusion box (7) is arranged at the bottom of the stirring box (4), and the extrusion box (7) is connected to the stirring box (4) via the second discharge port (6).
9. The coating mixing and spraying device suitable for narrow spacing and limited construction space according to claim 8, Features: A flow channel (9) is provided at the bottom of the extrusion box (7), and the flow channel (9) is connected to the extrusion box (7) via a third discharge port (8). An electric hydraulic rod (11) is provided at one end of the flow channel (9), and a fourth discharge port (10) is provided at the other end. The fourth discharge port (10) is connected to the hose (15).
10. The coating mixing and spraying device suitable for narrow spacing and limited construction space according to claim 1, Features: An outer shell is arranged outside the box, and an integrated thermocouple temperature digital display screen, a switch and a battery box are arranged on the outer shell.