Metal shell oil removing device for photovoltaic inverter production

Abstract

This utility model discloses a metal casing degreasing device for photovoltaic inverter production, relating to the field of photovoltaic inverter processing technology. It includes a base, a fixed frame fixedly connected to the top of the base, a movable seat slidably connected to the top of the fixed frame, a movable component mounted on the top of the fixed frame, a first cylinder mounted at the bottom of the movable seat, a clamping seat fixedly connected to the telescopic end of the first cylinder, second cylinders mounted on both sides of the clamping seat, the telescopic ends of the second cylinders extending into the clamping seat and fixedly connected to clamping plates, and an immersion tank fixedly connected to the top of the base. An agitator is installed on one side of the immersion tank. This utility model, using the above structure, allows for effective water circulation within the immersion tank, ensuring sufficient contact between the degreasing liquid and the inverter casing surface, avoiding uneven degreasing caused by localized stagnant water flow. Simultaneously, the circulating water flow quickly removes oil stains peeled from the casing surface, reducing secondary oil adhesion and significantly improving degreasing efficiency and cleanliness.

Description

Technical Field

[0001] This utility model belongs to the field of photovoltaic inverter processing technology, and specifically relates to a degreasing device for metal casing of photovoltaic inverter production. Background Technology

[0002] The metal casing degreasing device for photovoltaic inverter production is a specialized industrial piece of equipment designed to meet the pre-treatment needs of photovoltaic inverter metal casings, which are mostly made of aluminum alloy or cold-rolled steel sheet. Its core function is to remove contaminants such as cutting oil, rust-preventive oil, fingerprint oil, and dust that adhere to the casing during stamping, welding, and storage. This provides a clean surface for subsequent processes such as spraying and assembly, preventing oil stains from affecting coating adhesion, insulation performance, and product lifespan. It typically integrates conveying, degreasing, cleaning, and drying functions, balancing the efficiency and cleanliness requirements of large-scale photovoltaic inverter casing production. Simultaneously, it must be adapted to the characteristics of the casing material to ensure that the degreasing casing meets the standards for subsequent processes.

[0003] Publication No. "CN216095097U" discloses a metal casing degreasing device for photovoltaic inverter production. The device includes an degreasing tank containing a mixing tank. A support column connects the degreasing tank and the mixing tank. The mixing tank contains a mixing mechanism, which includes a rotating cylinder with a water inlet pipe inserted inside. Multiple nozzles and stirring rollers are mounted on the rotating cylinder. A pair of blocking blocks are located on one side of the rotating cylinder, and a slider is positioned between the blocking blocks. A telescopic rod connects the slider to the mixing tank, and a spring is fitted onto the telescopic rod. Multiple flow grooves are carved into each of the blocking blocks. This invention, by modifying the existing degreasing device's mechanism, ensures that multiple degreasing agents are effectively mixed before entering the degreasing tank, and then flow into the tank along with water. This minimizes the reduction of degreasing effectiveness on the metal casing, eliminating the need for secondary degreasing and reducing workload for workers.

[0004] Although the above-mentioned utility model does not easily reduce the degreasing effect on the metal casing, thus eliminating the need for secondary degreasing of the metal casing and reducing the workload of the staff, when the inverter metal casing is immersed in the mixing tank for degreasing, it only relies on the reverse thrust of the water jet sprayed from the rotating cylinder nozzle to drive the rotating cylinder and stirring rod to stir the mixed solution. The liquid flow intensity and coverage generated by this method are limited, and it is impossible to form an effective and continuous flow circulation of the water flow in the mixing tank. Especially for areas such as depressions and gaps on the surface of the casing, the still or weak water flow is difficult to fully contact the oil stains and carry away the residual oil stains, which can easily lead to uneven degreasing and incomplete removal of local oil stains, affecting the degreasing efficiency and cleanliness. Utility Model Content

[0005] To address the problems mentioned in the background art, the purpose of this utility model is to provide a degreasing device for metal casings used in photovoltaic inverter production. This device solves the problem that when degreasing the metal casing of an inverter by immersing it in a mixing tank, the method relies solely on the reverse thrust of the water jet from the rotating cylinder nozzle to drive the rotating cylinder and stirring rod to stir the mixed solution. This method produces a limited flow intensity and coverage area, making it impossible to form an effective and continuous flow circulation of water throughout the mixing tank. In particular, for areas such as depressions and gaps on the casing surface, the still or weak water flow is difficult to fully contact the oil stains and remove residual oil stains, easily leading to uneven degreasing, incomplete removal of local oil stains, and affecting the degreasing efficiency and cleanliness.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0007] A metal casing degreasing device for photovoltaic inverter production includes a base, a fixed frame fixedly connected to the top of the base, a movable seat slidably connected to the top of the fixed frame, a movable component installed on the top of the fixed frame, a first cylinder installed at the bottom of the movable seat, a clamping seat fixedly connected to the telescopic end of the first cylinder, second cylinders installed on both sides of the clamping seat, the telescopic ends of the second cylinders extending into the clamping seat and fixedly connected to clamping plates, and an immersion tank fixedly connected to the top of the base, with an agitation component installed on one side inside the immersion tank.

[0008] The agitation assembly includes a first drive motor, a drive gear, a driven gear, a connecting shaft, a rotating seat, and agitating rollers. The drive gear is rotatably connected to one side of the immersion tank, and the first drive motor is installed on one side of the immersion tank. The output end of the first drive motor extends into the immersion tank and is fixedly connected to the drive gear. The driven gear is symmetrically rotatably connected to one side of the immersion tank, and a connecting shaft is fixedly connected to the center of the other side of the driven gear. A rotating seat is fixedly connected to the other end of the connecting shaft. Agitating rollers are symmetrically fixedly connected to the outer wall of the rotating seat via a circular array. The diameter of the drive gear is larger than that of the driven gear, and the drive gear and driven gear mesh with each other, enabling effective circulation of water within the immersion tank. This allows the degreasing liquid to fully contact the inverter casing surface, avoiding uneven degreasing caused by localized stagnant water flow. Simultaneously, the circulating water flow can quickly remove oil stains peeled from the casing surface, reducing secondary oil adhesion and significantly improving degreasing efficiency and cleanliness. Furthermore, dynamic water circulation can be achieved without additional complex structures, ensuring a stable and efficient degreasing process.

[0009] As a preferred technical solution, the moving component includes a lead screw, a guide rod, a moving block, a connecting block, and a second drive motor. Fixed blocks are symmetrically fixed to the top of the fixed frame. Guide rods are symmetrically fixed to each fixed block, and lead screws are rotatably connected to each fixed block. A second drive motor is installed on one side of each fixed block, and the output end of the second drive motor is fixedly connected to the lead screw. A moving block is sleeved on the outside of the lead screw and guide rod. A connecting block is fixedly connected to the bottom of the moving block. The bottom of the connecting block extends into the fixed frame and is fixedly connected to the moving block. A through slot is provided on the top of the fixed frame, and the connecting block and the through slot are slidably connected. This design enables fully automated control of the inverter housing from placement to immersion, eliminating the need for manual handling and positioning. This significantly reduces human intervention, operational errors, and safety hazards. The clamping and fixing of the inverter housing is stable, preventing displacement and collisions during movement and immersion, thus ensuring the integrity of the housing's appearance.

[0010] As a preferred technical solution, the clamping end of the clamping plate is glued with an anti-slip pad. The surface of the anti-slip pad is provided with anti-slip protrusions. The anti-slip pad is made of rubber, which can increase the friction between the clamping plate and the inverter housing. Combined with the anti-slip protrusions on the surface, it further enhances the anti-slip effect, preventing the housing from slipping when clamped or moved. At the same time, the rubber material can buffer the clamping force, prevent the housing surface from being damaged, and ensure the integrity of the housing.

[0011] As a preferred technical solution, a drain pipe is fixedly connected to one side of the soaking tank, and a valve is installed on the outside of the drain pipe to flexibly control the start and stop of the drain and the flow rate, which facilitates the replacement of new liquid or cleaning of the tank and ensures the oil removal effect.

[0012] In summary, the present invention has the following main advantages:

[0013] First, in this utility model, when the inverter housing is immersed in the soaking tank, the first drive motor is started to control the drive gear to rotate. The drive gear meshes with the driven gear, thereby causing the drive gear to drive the driven gear to rotate. The two sets of driven gears rotate in the forward and reverse directions respectively. The driven gear drives the rotating seat to rotate through the connecting shaft. The rotating seat drives the outer stirring roller to rotate. The stirring roller stirs the liquid inside the soaking tank, thereby forming an effective circulation of water inside the soaking tank. This allows the degreasing liquid to fully contact the surface of the inverter housing, avoiding uneven degreasing caused by local stagnant water flow. At the same time, the circulating water flow can quickly remove the oil stains peeled off from the housing surface, reducing secondary oil stains and significantly improving degreasing efficiency and cleanliness. Moreover, dynamic water circulation can be achieved without additional complex structures, ensuring a stable and efficient degreasing process.

[0014] Secondly, in this utility model, the inverter housing is placed on the base, the first cylinder is activated to control the clamping seat to descend, and then the second cylinder is activated to control the clamping plate to move and clamp the inverter housing. Then, the clamping seat is controlled to drive the inverter housing to rise, and at the same time, the second drive motor is activated to control the lead screw to rotate. The lead screw and the moving block are threadedly driven, so that the moving block drives the moving seat to move through the connecting block, moving the inverter housing to the top of the soaking tank. Then, the clamping seat is controlled to drive the inverter housing to be immersed in the soaking tank. This can realize the fully automated control of the inverter housing from placement to soaking, without the need for manual handling and positioning, greatly reducing human intervention, reducing operational errors and safety hazards. The clamping and fixing of the inverter housing is stable, which can prevent it from shifting or colliding during movement and soaking, and ensure the integrity of the housing's appearance. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0016] Figure 2 This is a three-dimensional structural diagram of the other side of this utility model;

[0017] Figure 3 This is the utility model Figure 2 Enlarged view of part A;

[0018] Figure 4 This is a three-dimensional structural diagram of the present invention viewed from below.

[0019] Reference numerals: 1. Base; 2. Fixing frame; 3. Soaking tank; 4. Drain pipe; 5. Valve; 6. Fixing block; 7. Moving seat; 8. First cylinder; 9. Clamping seat; 10. Second cylinder; 11. Clamping plate; 12. Anti-slip pad; 13. Agitating assembly; 131. First drive motor; 132. Drive gear; 133. Driven gear; 134. Connecting shaft; 135. Rotating seat; 136. Agitating roller; 14. Moving assembly; 141. Lead screw; 142. Guide rod; 143. Moving block; 144. Connecting block; 145. Second drive motor; 15. Through groove. Detailed Implementation

[0020] Example:

[0021] refer to Figures 1 to 4The metal casing degreasing device for photovoltaic inverter production described in this embodiment includes a base 1, a fixed frame 2 fixedly connected to the top of the base 1, a movable seat 7 slidably connected to the top of the fixed frame 2, a movable component 14 installed on the top of the fixed frame 2, a first cylinder 8 installed at the bottom of the movable seat 7, a clamping seat 9 fixedly connected to the telescopic end of the first cylinder 8, and a second cylinder 10 installed on both sides of the clamping seat 9. The telescopic end of the second cylinder 10 extends into the clamping seat 9 and is fixedly connected to a clamping plate 11. A soaking tank 3 is fixedly connected to the top of the base 1, and an agitation component 13 is installed on one side inside the soaking tank 3. The power components of the first cylinder 8 and the second cylinder 10 are respectively mounted on the movable seat 7 and the clamping seat 9. The power components are a piston and piston rod driven by compressed air, which work with the cylinder and the air intake / exhaust port to achieve telescopic movement, thereby driving the clamping seat 9 or the clamping plate 11 to move.

[0022] The agitation assembly 13 includes a first drive motor 131, a drive gear 132, a driven gear 133, a connecting shaft 134, a rotating seat 135, and agitating rollers 136. The drive gear 132 is rotatably connected to one side of the soaking tank 3. The first drive motor 131 is mounted on one side of the soaking tank 3, and its output end extends into the soaking tank 3 and is fixedly connected to the drive gear 132. The driven gear 133 is symmetrically rotatably connected to one side of the soaking tank 3. The connecting shaft 134 is fixedly connected to the center of the other side of the driven gear 133. The rotating seat 135 is fixedly connected to the other end of the connecting shaft 134. Agitating rollers 136 are symmetrically fixedly connected to the outer wall of the rotating seat 135 via an annular circumferential array. The diameter of the drive gear 132 is larger than the diameter of the driven gear 133. The drive gear 132 and the driven gear 133 mesh with each other. When the inverter housing is immersed in the soaking tank 3, the first drive motor 131 is started to control the drive gear 132 to rotate. The drive gear 132 meshes with the driven gear 133, thereby causing the drive gear 132 to drive the driven gear 133 to rotate. The two sets of driven gears 133 rotate in the forward and reverse directions respectively. The driven gear 133 drives the rotating seat 135 to rotate through the connecting shaft 134. The rotating seat 135 drives the outer stirring roller 136 to rotate. The stirring roller 136 stirs the liquid inside the soaking tank 3, thereby forming an effective circulation of water inside the soaking tank 3.

[0023] refer to Figures 1 to 2The moving component 14 includes a lead screw 141, a guide rod 142, a moving block 143, a connecting block 144, and a second drive motor 145. A fixed block 6 is symmetrically fixedly connected to the top of the fixed frame 2. Guide rods 142 and lead screws 141 are symmetrically fixedly connected between the fixed blocks 6. A second drive motor 145 is mounted on one side of the fixed block 6. The output end of the second drive motor 145 is fixedly connected to the lead screw 141. A moving block 143 is sleeved on the outer side of the lead screw 141 and guide rod 142. A connecting block 144 is fixedly connected to the bottom of the moving block 143. The bottom of the connecting block 144 extends into the fixed frame 2 and is fixedly connected to the moving seat 7. The lead screw 141 and the moving block 143 are threadedly connected. The guide rod 142 and the moving block 143 are connected by a thread. Block 143 is slidably connected. The top of the fixing frame 2 is provided with a through groove 15. The connecting block 144 is slidably connected to the through groove 15. The inverter housing is placed on the base 1. The first cylinder 8 is started to control the clamping seat 9 to descend. Then the second cylinder 10 is started to control the clamping plate 11 to move and clamp and fix the inverter housing. Then the clamping seat 9 is controlled to drive the inverter housing to rise. At the same time, the second drive motor 145 is started to control the lead screw 141 to rotate. The lead screw 141 and the moving block 143 are threadedly driven, so that the moving block 143 drives the moving seat 7 to move through the connecting block 144, moving the inverter housing to the top of the soaking tank 3. Then the clamping seat 9 is controlled to drive the inverter housing to be immersed in the soaking tank 3.

[0024] refer to Figure 4 The clamping end of the clamping plate 11 is glued with an anti-slip pad 12. The surface of the anti-slip pad 12 is provided with anti-slip protrusions. The anti-slip pad 12 is made of rubber. The rubber anti-slip pad 12 can increase the friction between the clamping plate 11 and the inverter housing. Combined with the anti-slip protrusions on the surface, it further enhances the anti-slip effect, preventing the housing from slipping when clamped or moved. At the same time, the rubber material can buffer the clamping force, prevent the housing surface from being damaged, and ensure the integrity of the housing.

[0025] refer to Figures 1 to 2 A drain pipe 4 is fixedly connected to one side of the soaking tank 3. A valve 5 is installed on the outside of the drain pipe 4. Waste degreasing liquid in the soaking tank 3 can be conveniently discharged through the drain pipe 4. The valve 5 on the outside can flexibly control the start and stop of the drain and the flow rate, making it easy to replace the new liquid or clean the tank, and ensuring the degreasing effect.

[0026] Operating principle and advantages: The metal casing of the photovoltaic inverter is placed on the base 1. The first cylinder 8 is activated, its extension end causing the clamping seat 9 to descend above the casing. Then, the second cylinders 10 on both sides of the clamping seat 9 are activated. The extension ends of the second cylinders 10 push the clamping plate 11 towards the casing. The casing is securely clamped by the anti-slip pads 12 (made of rubber with anti-slip protrusions) at the ends of the clamping plate 11, preventing slippage and injury. Next, the first cylinder 8 causes the clamping seat 9 and the casing to rise. Simultaneously, the second drive motor 145 in the moving assembly 14 is activated. The second drive motor 145 drives the lead screw 141 to rotate. The lead screw 141 and the moving block 143 are threadedly connected. Under the limiting guidance of the guide rod 142, the moving block 143 drives the moving seat 7 to slide along the top through groove 15 of the fixed frame 2 via the connecting block 144. The outer shell is precisely delivered to the top of the soaking tank 3; then the first cylinder 8 is activated again, causing the outer shell to descend and be immersed in the degreasing liquid in the soaking tank 3. The first drive motor 131 of the stirring component 13 is activated, which drives the drive gear 132 to rotate. The drive gear 132 meshes with the driven gears 133 on both sides, causing the driven gears 133 to rotate the rotating seat 135 and the outer stirring roller 136 through the connecting shaft 134, thus agitating the degreasing liquid to form a circulating water flow and improving the degreasing effect. After the degreasing is completed, the first cylinder 8 and the moving component 14 are reversed to remove the outer shell from the soaking tank 3 and deliver it to the designated position. The clamping plate 11 is released to complete the material removal. Subsequently, the waste degreasing liquid can be discharged through the drain pipe 4 and valve 5 on one side of the soaking tank 3 for replacement with new liquid or cleaning of the tank.

[0027] This invention enables the water flow in the soaking tank 3 to form an effective circulation, allowing the degreasing liquid to fully contact the surface of the inverter housing, avoiding uneven degreasing caused by local water stagnation; at the same time, the circulating water flow can quickly remove the oil stains peeled off from the housing surface, reducing secondary oil stains, significantly improving degreasing efficiency and cleanliness, and can achieve dynamic water circulation without additional complex structures, ensuring a stable and efficient degreasing process.

Claims

1. A degreasing device for metal casings used in photovoltaic inverter production, comprising a base (1), characterized in that: The base (1) is fixedly connected to a fixed frame (2) at the top. A movable seat (7) is slidably connected to the top of the fixed frame (2). A movable component (14) is installed on the top of the fixed frame (2). A first cylinder (8) is installed at the bottom of the movable seat (7). A clamping seat (9) is fixedly connected to the telescopic end of the first cylinder (8). A second cylinder (10) is installed on both sides of the clamping seat (9). The telescopic end of the second cylinder (10) extends into the clamping seat (9) and is fixedly connected to a clamping plate (11). A soaking tank (3) is fixedly connected to the top of the base (1). An agitation component (13) is installed on one side inside the soaking tank (3).

2. The degreasing device for metal casing in photovoltaic inverter production according to claim 1, characterized in that: The stirring assembly (13) includes a first drive motor (131), a drive gear (132), a driven gear (133), a connecting shaft (134), a rotating seat (135), and a stirring roller (136). The drive gear (132) is rotatably connected to one side of the soaking tank (3). The first drive motor (131) is installed on one side of the soaking tank (3). The output end of the first drive motor (131) extends into the soaking tank (3) and is fixedly connected to the drive gear (132). The driven gear (133) is symmetrically rotatably connected to one side of the soaking tank (3). The connecting shaft (134) is fixedly connected to the center of the other side of the driven gear (133). The rotating seat (135) is fixedly connected to the other end of the connecting shaft (134). The stirring roller (136) is symmetrically fixedly connected to the outer wall of the rotating seat (135) through an annular circumferential array.

3. The degreasing device for metal casing in photovoltaic inverter production according to claim 2, characterized in that: The diameter of the drive gear (132) is larger than the diameter of the driven gear (133), and the drive gear (132) and the driven gear (133) mesh with each other.

4. The degreasing device for metal casing in photovoltaic inverter production according to claim 1, characterized in that: The moving component (14) includes a lead screw (141), a guide rod (142), a moving block (143), a connecting block (144), and a second drive motor (145). The top of the fixed frame (2) is symmetrically fixedly connected to a fixed block (6). The fixed blocks (6) are symmetrically fixedly connected to the guide rod (142) and rotatably connected to the lead screw (141). The second drive motor (145) is installed on one side of the fixed block (6). The output end of the second drive motor (145) is fixedly connected to the lead screw (141). The moving block (143) is sleeved on the outside of the lead screw (141) and the guide rod (142). The bottom of the moving block (143) is fixedly connected to a connecting block (144). The bottom of the connecting block (144) extends into the fixed frame (2) and is fixedly connected to the moving seat (7).

5. The degreasing device for metal casing in photovoltaic inverter production according to claim 4, characterized in that: The lead screw (141) and the moving block (143) are threadedly connected, and the guide rod (142) and the moving block (143) are slidably connected.

6. The degreasing device for metal casing in photovoltaic inverter production according to claim 5, characterized in that: The top of the fixing frame (2) is provided with a through groove (15), and the connecting block (144) is slidably connected to the through groove (15).

7. The degreasing device for metal casing in photovoltaic inverter production according to claim 1, characterized in that: The clamping end of the clamping plate (11) is glued with an anti-slip pad (12), the surface of the anti-slip pad (12) is provided with anti-slip protrusions, and the anti-slip pad (12) is made of rubber.

8. The degreasing device for metal casing in photovoltaic inverter production according to claim 1, characterized in that: A drain pipe (4) is fixedly connected to one side of the soaking tank (3), and a valve (5) is installed on the outside of the drain pipe (4).

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