Spraying device for water-based paint

Abstract

The utility model discloses a water-based paint spraying device which comprises a machine frame, a material barrel, a control box and a spray gun, the material barrel is arranged above the machine frame, the control box is arranged at the upper end of the machine frame and fixedly connected with the machine frame, and the spray gun is placed on the right side of the machine frame and connected with the material barrel. According to the electrostatic spraying machine, the rack, the charging barrel, the control box, the spraying gun, the fixed box, the cleaning and scraping device, the rotating assembly, the fixed barrel, the movable clamping groove, the lead screw, the rotating groove, the rotating block, the scraping plate assembly, the sleeve, the clamping block, the fixed ring, the scraping disc, the scraping head, the transmission assembly and the fixed cover are arranged and used in cooperation, and the problem that in the spraying process of an existing electrostatic spraying machine, the spraying efficiency is high is solved; the problems that a part of coating is attached to the inner wall of a charging barrel of the electrostatic spraying machine and cannot be used, so that the coating attached to the inner wall of the charging barrel cannot be used, and the coating is wasted are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of spraying devices, and in particular relates to a spraying device for water-based paint. Background Art

[0002] Water-based paint refers to paint that uses water as a solvent or dispersion medium. This type of paint is environmentally friendly, non-toxic, odorless, and easy to apply, so it is widely used in construction, furniture, automobiles, home appliances and other fields; the main components of water-based paint include water-based resins, pigments, fillers, additives, etc., among which water-based resins are the basis of paint and determine the performance and use effect of paint. Water-based resins are usually modified from natural polymers or synthetic polymers, and have good stability, water resistance, weather resistance and chemical resistance; and spraying requires the use of spraying devices, such as HVLP sprayers, air spray guns, electrostatic sprayers, etc., which are professional tools for spraying paint evenly on the surface of objects; among them, electrostatic sprayers use built-in high-voltage electrostatic generators to make the paint carry an electric charge during the spraying process, so that it is adsorbed on the surface of the object to form a uniform and dense coating; electrostatic spray guns are suitable for occasions that require high-quality coatings, such as automotive spraying, industrial painting, etc.

[0003] The problem with the prior art is that during the spraying process of the existing electrostatic sprayer, a portion of the paint adheres to the inner wall of the barrel of the electrostatic sprayer and cannot be used, which results in the paint adhered to the inner wall of the barrel not being used, resulting in a waste of paint. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a water-based paint spraying device, which has the advantage of scraping off the paint attached to the inner wall of the barrel, thereby solving the problem that during the spraying process of the existing electrostatic sprayer, a part of the paint adheres to the inner wall of the barrel of the electrostatic sprayer and cannot be used, thereby causing the paint attached to the inner wall of the barrel to not be used, resulting in a waste of paint.

[0005] The utility model is implemented as follows: a water-based paint spraying device comprises a frame, a barrel, a control box and a spray gun, wherein the barrel is arranged above the frame, the control box is arranged at the upper end of the frame and is fixedly connected to the frame, the spray gun is placed on the right side of the frame and is connected to the barrel, a fixing box is arranged below the barrel, the upper and lower surfaces of the fixing box are fixedly connected to the upper surface of the frame and the lower surface of the barrel respectively, and a scraping device is arranged inside the barrel.

[0006] The scraping device preferably used in the present invention includes a rotating component, a scraper component and a transmission component. The rotating component is arranged inside the barrel, the scraper component is sleeved on the surface of the rotating component, and the transmission component is arranged below the rotating component. By arranging the scraping device inside the barrel, it is used to clean the inner wall of the barrel, and has the function of scraping off the remaining paint attached to the inner wall of the barrel, thereby avoiding a large amount of paint attached to the inner wall of the barrel and not being used, thereby causing waste.

[0007] The rotating assembly preferably comprises a fixed cylinder, a movable slot, a screw rod, a rotating slot and a rotating block, the fixed cylinder is arranged inside the barrel, and the lower end is fixedly connected to the bottom surface of the barrel. The movable slot is two in number, and is respectively arranged on the front and rear sides of the fixed cylinder and passes through the fixed cylinder. The screw rod is arranged in the fixed cylinder, and the lower end extends to the inside of the fixed box. The lower end of the screw rod is rotatably connected to the barrel and the fixed box, the rotating slot is arranged at the bottom of the fixed cylinder, the rotating block is arranged in the rotating slot and is sleeved on the lower end surface of the screw rod, the rotating block is fixedly connected to the screw rod and rotatably connected to the rotating slot. By setting the rotating assembly, it is used to fix and support the scraper assembly, and has the function of driving the scraper assembly to move up and down in the barrel to scrape the inner wall of the barrel.

[0008] The scraper assembly preferably includes a sleeve, a clamping block, a fixing ring, a scraper disk and a scraper head, the sleeve is sleeved on the surface of the screw rod and is threadedly connected to the screw rod, the number of the clamping blocks is two, and they are respectively arranged in the two movable slots and are slidably connected to the movable slots, the ends of the two clamping blocks close to each other are fixedly connected to the sleeve respectively, the fixing ring is sleeved on the surface of the fixed cylinder and is slidably connected to the fixed cylinder, the front and rear ends of the inner side of the fixing ring are respectively fixedly connected to the two clamping blocks, the scraper disk is sleeved on the surface of the fixing ring and is fixedly connected to the fixing ring, the scraper head is sleeved on the surface of the scraper disk, and the scraper assembly is provided to scrape the inner wall of the barrel, and has the function of moving up and down in the barrel through the drive of the rotating assembly to scrape off the paint attached to the inner wall of the barrel for continued use.

[0009] The transmission assembly preferably of the present invention includes bevel gear 1, bevel gear 2, a transmission shaft, a motor and a rotating frame, the bevel gear 1 is fixedly connected to one end of the screw rod extending to the inside of the fixed box, the bevel gear 2 is arranged behind the bevel gear 1 and meshingly connected with the bevel gear 1, the transmission shaft is fixedly connected to the rear end of the bevel gear 2, the motor is arranged behind the fixed box and fixedly connected to the upper surface of the frame, the output end of the motor is fixedly connected to the transmission shaft, the rotating frame is sleeved on the middle end of the transmission shaft and rotatably connected to the transmission shaft, the lower end of the rotating frame is fixedly connected to the bottom surface of the fixed box, and a transmission assembly is arranged to drive the rotating assembly, and the scraper assembly is moved up and down in the barrel by driving the screw rod to rotate, thereby performing scraping.

[0010] As a preferred embodiment of the utility model, the top of the fixed tube is provided with a thread, and the top of the fixed tube is sleeved with a fixed cover, and the fixed cover is threadably connected to the fixed tube via a thread. By arranging the fixed cover at the top of the fixed tube, it is used to prevent the scraper assembly from accidentally detaching from the screw rod when moving upward, thereby limiting the scraper assembly.

[0011] As a preferred material of the scraper head of the utility model, the scraper head is in contact with the inner wall of the barrel. By setting the material of the scraper head to rubber material, it has the effect of avoiding scratching the barrel during the process of scraping the inner wall of the barrel.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model solves the problem that a part of the paint of the existing electrostatic sprayer adheres to the inner wall of the barrel of the electrostatic sprayer and cannot be used during the spraying process, thereby causing the paint adhered to the inner wall of the barrel to be unused, resulting in a waste of paint, by arranging a frame, a barrel, a control box, a spray gun, a fixed box, a scraping device, a rotating assembly, a fixed barrel, a mobile slot, a screw rod, a rotating slot, a rotating block, a scraper assembly, a sleeve, a clamping block, a fixed ring, a scraper plate, a scraper head, a transmission assembly, a bevel gear 1, a bevel gear 2, a transmission shaft, a motor, a rotating frame and a fixed cover for coordinated use.

[0014] 2. The utility model provides a scraping device inside the barrel to clean the inner wall of the barrel, and has the function of scraping off the remaining paint attached to the inner wall of the barrel, thereby avoiding a large amount of paint adhering to the inner wall of the barrel and not being used, thereby causing waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of an electrostatic sprayer provided by an embodiment of the utility model;

[0016] Figure 2 It is a partially cutaway three-dimensional structural schematic diagram of an electrostatic sprayer provided by an embodiment of the utility model;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of a rotating component in an electrostatic sprayer provided by an embodiment of the utility model;

[0018] Figure 4 It is a three-dimensional structural schematic diagram of a scraper assembly in an electrostatic sprayer provided by an embodiment of the utility model.

[0019] In the figure: 1. frame; 2. barrel; 3. control box; 4. spray gun; 5. fixed box; 6. scraper device; 61. rotating assembly; 611. fixed barrel; 612. movable slot; 613. screw rod; 614. rotating slot; 615. rotating block; 62. scraper assembly; 621. sleeve; 622. clamping block; 623. fixed ring; 624. scraper plate; 625. scraper head; 63. transmission assembly; 631. bevel gear one; 632. bevel gear two; 633. transmission shaft; 634. motor; 635. rotating frame; 7. fixed cover. DETAILED DESCRIPTION

[0020] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0021] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0022] like Figures 1 to 4 As shown, a water-based paint spraying device provided by an embodiment of the utility model includes a frame 1, a barrel 2, a control box 3 and a spray gun 4, the barrel 2 is arranged above the frame 1, the control box 3 is arranged at the upper end of the frame 1 and is fixedly connected to the frame 1, the spray gun 4 is placed on the right side of the frame 1 and is connected to the barrel 2, a fixed box 5 is arranged below the barrel 2, the upper and lower surfaces of the fixed box 5 are fixedly connected to the upper surface of the frame 1 and the lower surface of the barrel 2, and a scraping device 6 is arranged inside the barrel 2.

[0023] refer to Figure 1 and Figure 2 The scraping device 6 includes a rotating assembly 61, a scraper assembly 62 and a transmission assembly 63. The rotating assembly 61 is arranged inside the barrel 2, the scraper assembly 62 is sleeved on the surface of the rotating assembly 61, and the transmission assembly 63 is arranged below the rotating assembly 61.

[0024] The above scheme is adopted: by arranging a scraping device 6 inside the barrel 2, which is used to clean the inner wall of the barrel 2, and has the function of scraping off the remaining paint attached to the inner wall of the barrel 2, so as to avoid a large amount of paint adhering to the inner wall of the barrel 2 and not being used, thereby causing waste.

[0025] refer to Figure 2 and Figure 3 The rotating assembly 61 includes a fixed cylinder 611, a movable slot 612, a screw rod 613, a rotating groove 614 and a rotating block 615. The fixed cylinder 611 is arranged inside the barrel 2, and the lower end is fixedly connected to the bottom surface of the inner part of the barrel 2. There are two movable slots 612, which are respectively opened on the front and rear sides of the fixed cylinder 611 and penetrate the fixed cylinder 611. The screw rod 613 is arranged in the fixed cylinder 611, and the lower end extends to the inside of the fixed box 5. The lower end of the screw rod 613 is rotatably connected to the barrel 2 and the fixed box 5. The rotating groove 614 is opened at the bottom of the fixed cylinder 611. The rotating block 615 is arranged in the rotating groove 614 and is sleeved on the lower end surface of the screw rod 613. The rotating block 615 is fixedly connected to the screw rod 613 and rotatably connected to the rotating groove 614.

[0026] The above scheme is adopted: by setting a rotating component 61 to fix and support the scraper component 62, it has the function of driving the scraper component 62 to move up and down in the barrel 2 so as to scrape the inner wall of the barrel 2.

[0027] refer to Figure 2 , Figure 3 and Figure 4 The scraper assembly 62 includes a sleeve 621, a clamping block 622, a fixing ring 623, a scraper plate 624 and a scraper head 625. The sleeve 621 is sleeved on the surface of the screw rod 613 and is threadedly connected to the screw rod 613. There are two clamping blocks 622, which are respectively arranged in two movable slots 612 and are slidably connected to the movable slots 612. The ends of the two clamping blocks 622 close to each other are respectively fixedly connected to the sleeve 621. The fixing ring 623 is sleeved on the surface of the fixed tube 611 and is slidably connected to the fixed tube 611. The front and rear ends of the inner side of the fixing ring 623 are respectively fixedly connected to the two clamping blocks 622. The scraper plate 624 is sleeved on the surface of the fixing ring 623 and is fixedly connected to the fixing ring 623. The scraper head 625 is sleeved on the surface of the scraper plate 624.

[0028] The above scheme is adopted: a scraper assembly 62 is provided to scrape the inner wall of the barrel 2, which is driven by the rotating assembly 61 to move up and down in the barrel 2, and the paint attached to the inner wall of the barrel 2 is scraped off for continued use.

[0029] refer to Figure 1 and Figure 2The transmission assembly 63 includes a bevel gear 1 631, a bevel gear 2 632, a transmission shaft 633, a motor 634 and a rotating frame 635. The bevel gear 1 631 is fixedly connected to one end of the screw rod 613 extending to the inside of the fixed box 5. The bevel gear 2 632 is arranged behind the bevel gear 1 631 and meshingly connected with the bevel gear 1 631. The transmission shaft 633 is fixedly connected to the rear end of the bevel gear 2 632. The motor 634 is arranged behind the fixed box 5 and fixedly connected to the upper surface of the frame 1. The output end of the motor 634 is fixedly connected to the transmission shaft 633. The rotating frame 635 is sleeved on the middle end of the transmission shaft 633 and is rotatably connected to the transmission shaft 633. The lower end of the rotating frame 635 is fixedly connected to the bottom surface of the fixed box 5.

[0030] The above scheme is adopted: a transmission assembly 63 is provided to drive the rotating assembly 61, and the scraper assembly 62 is moved up and down in the barrel 2 by driving the screw rod 613 to rotate, so as to perform scraping.

[0031] refer to Figure 3 The top of the fixing tube 611 is provided with a threaded end, and the top of the fixing tube 611 is sleeved with a fixing cover 7, and the fixing cover 7 is threadedly connected to the fixing tube 611 through a thread.

[0032] The above solution is adopted: by setting a fixed cover 7 at the top of the fixed cylinder 611, it is used to prevent the scraper assembly 62 from accidentally separating from the screw rod 613 when moving upward, thereby limiting the scraper assembly 62.

[0033] refer to Figure 4 The scraper head 625 is made of rubber and contacts the inner wall of the barrel 2 .

[0034] The above solution is adopted: by setting the material of the scraper head 625 to rubber material, it has the effect of avoiding scratching the barrel 2 during the process of scraping the inner wall of the barrel 2.

[0035] The working principle of this utility model:

[0036] When the paint attached to the inner wall of the barrel 2 is cleaned, the motor 634 is started, and the motor 634 drives the transmission shaft 633 to rotate in the rotating frame 635. When the transmission shaft 633 rotates, it drives the bevel gear 2 632 fixedly connected thereto to rotate. When the bevel gear 2 632 rotates, it drives the bevel gear 1 631 meshing with it to rotate. When the bevel gear 1 631 rotates, it drives the screw rod 613 fixedly connected thereto to rotate. When the screw rod 613 rotates, the rotating block 615 fixedly connected thereto rotates in the rotating groove 614, and at the same time drives the sleeve 621 threadedly connected thereto to move in the fixed barrel 611. When the sleeve 621 moves, it drives the clamping block 622 to slide in the moving clamping groove 612, and at the same time drives the fixed ring 623 fixedly connected thereto to move on the surface of the sleeve 621 through the clamping block 622. When the fixed ring 623 moves, it drives the scraper head 625 sleeved on the outer side of the scraper plate 624 to scrape the inner wall of the barrel 2.

[0037] To sum up: the water-based paint spraying device, through the arrangement of a frame 1, a barrel 2, a control box 3, a spray gun 4, a fixed box 5, a scraping device 6, a rotating component 61, a fixed barrel 611, a movable slot 612, a screw 613, a rotating slot 614, a rotating block 615, a scraper component 62, a sleeve 621, a clamping block 622, a fixed ring 623, a scraper plate 624, a scraper head 625, a transmission component 63, a bevel gear 1 631, a bevel gear 2 632, a transmission shaft 633, a motor 634, a rotating frame 635 and a fixed cover 7, solves the problem that during the spraying process of the existing electrostatic sprayer, a part of the paint will adhere to the inner wall of the barrel of the electrostatic sprayer and cannot be used, which will cause the paint adhered to the inner wall of the barrel to not be used, resulting in a waste of paint.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used 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.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water-based paint spraying device, comprising a frame (1), a barrel (2), a control box (3) and a spray gun (4), wherein the barrel (2) is arranged above the frame (1), the control box (3) is arranged at the upper end of the frame (1) and is fixedly connected to the frame (1), and the spray gun (4) is placed on the right side of the frame (1) and is connected to the barrel (2), characterized in that: A fixing box (5) is arranged below the barrel (2), and the upper and lower surfaces of the fixing box (5) are respectively fixedly connected to the upper surface of the frame (1) and the lower surface of the barrel (2), and a scraping device (6) is arranged inside the barrel (2); The scraping device (6) comprises a rotating assembly (61), a scraper assembly (62) and a transmission assembly (63); the rotating assembly (61) is arranged inside the barrel (2); the scraper assembly (62) is sleeved on the surface of the rotating assembly (61); and the transmission assembly (63) is arranged below the rotating assembly (61); The rotating assembly (61) comprises a fixed cylinder (611), a movable slot (612), a screw (613), a rotating slot (614) and a rotating block (615); the fixed cylinder (611) is arranged inside the barrel (2), and the lower end is fixedly connected to the inner bottom surface of the barrel (2); the movable slot (612) is two in number and is respectively arranged on the front and rear sides of the fixed cylinder (611) and passes through the fixed cylinder (611); the screw (613) is arranged inside the fixed cylinder (611) and the rotating block (615) ... The screw rod (613) is in the fixed cylinder (611), and its lower end extends into the fixed box (5); the lower end of the screw rod (613) is rotatably connected to the material cylinder (2) and the fixed box (5); the rotating groove (614) is provided at the bottom of the fixed cylinder (611); the rotating block (615) is arranged in the rotating groove (614) and sleeved on the lower end surface of the screw rod (613); the rotating block (615) is fixedly connected to the screw rod (613) and is rotatably connected to the rotating groove (614); The scraper assembly (62) comprises a sleeve (621), a clamping block (622), a fixing ring (623), a scraper plate (624) and a scraper head (625); the sleeve (621) is sleeved on the surface of the screw rod (613) and is threadedly connected to the screw rod (613); there are two clamping blocks (622), which are respectively arranged in two movable slots (612) and are slidably connected to the movable slots (612); the two clamping blocks (622) are mutually abutted. The near end is respectively fixedly connected to the sleeve (621), the fixing ring (623) is sleeved on the surface of the fixing tube (611) and is slidably connected to the fixing tube (611), the front and rear ends of the inner side of the fixing ring (623) are respectively fixedly connected to the two clamping blocks (622), the scraper (624) is sleeved on the surface of the fixing ring (623) and is fixedly connected to the fixing ring (623), and the scraper head (625) is sleeved on the surface of the scraper (624).

2. A water-based paint spraying device as claimed in claim 1, characterized in that: The transmission assembly (63) comprises a bevel gear 1 (631), a bevel gear 2 (632), a transmission shaft (633), a motor (634) and a rotating frame (635); the bevel gear 1 (631) is fixedly connected to one end of the screw rod (613) extending to the interior of the fixed box (5); the bevel gear 2 (632) is arranged behind the bevel gear 1 (631) and meshingly connected with the bevel gear 1 (631); the transmission shaft (633) is fixedly connected to the rear end of the bevel gear 2 (632); the motor (634) is arranged behind the fixed box (5) and fixedly connected to the upper surface of the frame (1); the output end of the motor (634) is fixedly connected to the transmission shaft (633); the rotating frame (635) is sleeved on the middle end of the transmission shaft (633) and is rotatably connected to the transmission shaft (633); and the lower end of the rotating frame (635) is fixedly connected to the inner bottom surface of the fixed box (5).

3. A water-based paint spraying device as claimed in claim 1, characterized in that: The top end of the fixing tube (611) is provided with a threaded end, the top end of the fixing tube (611) is sleeved with a fixing cover (7), and the fixing cover (7) is threadedly connected to the fixing tube (611) via a threaded connection.

4. A water-based paint spraying device as claimed in claim 1, characterized in that: The scraper head (625) is made of rubber, and the scraper head (625) is in contact with the inner wall of the barrel (2).

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