A gradient drying oven for waterborne epoxy primer and fluorocarbon topcoat

Abstract

The utility model provides a gradient drying oven of waterborne epoxy primer and fluorocarbon finish, belong to drying oven technical field, including drying oven body and the box door hinged to its one side wall, the through -flow hole of symmetry is equipped in the inside wall of drying oven body, the paint storage subassembly and even heating subassembly in the inside of drying oven body are equipped, among them, the paint storage subassembly includes: the paint bucket of being placed in the inside of drying oven body, the locating post of being equipped in the bottom of paint bucket, and the draft tube of being equipped in the inside bottom central position department of paint bucket, the draft hole of being equipped in the bottom central position department of paint bucket, the air inlet hole of being circumferentially set up in the outside wall of draft tube, the utility model discloses through the slow rotation of paint bucket makes its outside wall cyclically towards flowing hot air, effectively the position of paint bucket on the back to hot air flow direction towards hot air, can even heat the paint in paint bucket.

Description

Technical Field

[0001] This utility model belongs to the field of oven technology, specifically relating to a gradient drying oven for water-based epoxy primer and fluorocarbon topcoat. Background Technology

[0002] The drying process is a crucial step in the processing of water-based epoxy primers and fluorocarbon topcoats, ensuring coating quality. This process requires the use of an oven, which is a type of drying equipment.

[0003] Most existing water-based epoxy primers and fluorocarbon topcoats use a horizontal hot air circulation mode during the drying process. This results in the paint drying faster on the windward side and slower on the leeward side inside the oven, leading to uneven drying and low efficiency. In addition, the paint is usually placed in a container inside the oven, and the middle part of the paint receives less heat, resulting in low drying efficiency.

[0004] Therefore, a gradient drying oven for waterborne epoxy primer and fluorocarbon topcoat is proposed. Summary of the Invention

[0005] This invention provides a gradient drying oven for water-based epoxy primer and fluorocarbon topcoat, the purpose of which is to solve the problems mentioned above.

[0006] This utility model provides a gradient drying oven for water-based epoxy primer and fluorocarbon topcoat, including an oven body and a door hinged to one side wall; symmetrically arranged flow holes on the inner side wall of the oven body; a paint storage assembly and a uniform heating assembly disposed inside the oven body; wherein, the paint storage assembly includes: a paint bucket placed inside the oven body; a positioning post at the bottom of the paint bucket; a guide pipe at the center of the bottom of the paint bucket; a guide hole at the center of the bottom of the paint bucket; and an air inlet circumferentially opened on the outer side wall of the guide pipe; the uniform heating assembly includes: a turntable rotating at the bottom of the oven body; a positioning hole at the top of the turntable; a driven gear at the center of the bottom of the turntable; a bracket at the bottom of the oven body; a motor at the bottom of the bracket; a driving gear fixed to the output end of the motor; and a return pipe rotating at the bottom of the driven gear.

[0007] Furthermore, the oven body is also equipped with a gradient heating assembly, which includes: a fixed arc plate located at one outer side of the bottom of the oven body near the paint bucket; a rotating arc plate located at another outer side of the bottom of the oven body near the paint bucket; side plates respectively located on one side of the fixed arc plate and the rotating arc plate; infrared halogen heaters respectively circumferentially and equally spaced on the inner sidewalls of the fixed arc plate and the rotating arc plate; and a connecting block located on one outer sidewall of the rotating arc plate.

[0008] Furthermore, the positioning pin and the positioning hole are matched and fit together.

[0009] Furthermore, both the guide hole and the return pipe on the guide pipe are connected to the air inlet.

[0010] Furthermore, the driven gear and the driving gear are connected by gear meshing.

[0011] Furthermore, one end of the rotating arc plate is movably connected to the inner bottom of the oven body via a connecting shaft.

[0012] Furthermore, the connecting block and the oven body are fixed together by screws.

[0013] Furthermore, the side plates on the fixed arc plate and the rotating arc plate respectively fit against one side of the inner wall of the oven body and one side of the outer wall of the oven door.

[0014] The beneficial effects of this utility model are as follows:

[0015] 1. This utility model utilizes the slow rotation of the paint bucket to circulate the outer wall towards the flowing hot air, effectively aligning the part of the paint bucket that was previously facing away from the hot air flow with the hot air. This allows for uniform heating of the paint inside the bucket, and the hot air passing through the center of the paint bucket can dry the paint in the central part of the bucket, improving drying efficiency while ensuring uniform drying. The design of the guide pipe also does not interfere with the flow path of the horizontally circulating hot air inside the oven body.

[0016] 2. This utility model, through the cooperation of the side plate, the fixed arc plate and the rotating arc plate, allows hot air to move along the outer wall of the paint bucket, which can more efficiently dry the paint inside the paint bucket. The working power of the infrared halogen heaters at different positions can be individually controlled according to the heat loss during the hot air flow process, so that the heat generated is relatively equal, which makes it easier for the outer wall of the paint bucket to receive consistent heat, thereby ensuring the uniformity and efficiency of drying.

[0017] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained by means of the structures particularly pointed out in the description and the drawings. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0019] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0020] Figure 2 This is a schematic diagram of the paint bucket structure according to an embodiment of the present utility model;

[0021] Figure 3 This is a sectional view of the bottom of the oven body according to an embodiment of the present invention;

[0022] Figure 4 This is an embodiment of the present utility model. Figure 3 Enlarged diagram of point A in the diagram;

[0023] Figure 5 This is a top sectional view of the oven body according to an embodiment of the present invention;

[0024] Figure 6 This is a schematic diagram of the gradient heating component structure according to an embodiment of the present invention;

[0025] Reference numerals: 1. Oven body; 2. Flow hole; 3. Oven door; 4. Paint storage assembly; 41. Paint bucket; 42. Positioning column; 43. Guide pipe; 44. Guide hole; 45. Air inlet; 5. Uniform heating assembly; 51. Turntable; 52. Positioning hole; 53. Driven gear; 54. Return pipe; 55. Support; 56. Motor; 57. Drive gear; 6. Gradient heating assembly; 61. Fixed arc plate; 62. Rotating arc plate; 63. Side plate; 64. Infrared halogen heater; 65. Connecting block. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. The same reference numerals in the drawings represent the same components. It should be noted that the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0027] Example 1

[0028] Reference Figure 1-4 This utility model embodiment proposes a gradient drying oven for water-based epoxy primer and fluorocarbon topcoat, including an oven body 1, an internal hot air circulation system, an exhaust valve on the top of the oven body 1, convection flow holes 2 on the two opposing inner side walls of the oven body 1, and a door 3 hinged to one outer side wall of the oven body 1.

[0029] A turntable 51 from a uniform heating assembly 5 is rotatably connected to the center of the bottom of the oven body 1. Four positioning holes 52 are evenly spaced on the top of the turntable 51, and a driven gear 53 is provided at the center of the bottom of the turntable 51. The oven body 1 has a cavity inside, and a return pipe 54 is provided inside the cavity. One end of the return pipe 54 is rotatably connected to the center of the bottom of the driven gear 53. A bracket 55 is provided at the top of the cavity, and a motor 56 is provided at the bottom of the bracket 55. The motor 56 is fixedly connected to a drive gear 57 through its output end on one side. The driven gear 53 and the drive gear 57 are connected by gear meshing. Power is transmitted through the meshing connection, which causes the drive gear 57 to rotate. The drive gear 57 pulls the driven gear 53 to rotate, thereby rotating the turntable 51, which facilitates the slow rotation of the paint bucket 41 placed on top of the turntable 51.

[0030] Inside the oven body 1, near the top of the turntable 51, is a paint bucket 41 from the paint storage assembly 4. Four positioning posts 42 are evenly spaced around the bottom of the paint bucket 41. These posts 42 and positioning holes 52 are matched and fitted together, allowing the posts 42 to be inserted into the holes, thus positioning the paint bucket 41 and the turntable 51. This ensures the stability of the paint bucket 41 and allows it to rotate synchronously with the turntable 51. A guide pipe 43 is located at the center of the bottom of the paint bucket 41. A guide hole 44 is located directly below the guide pipe 43 at the bottom of the paint bucket 41. Several air inlets 45 are evenly spaced around the outer wall of the guide pipe 43. The guide holes 44 and the return pipe 54 on the guide pipe 43 are connected to the air inlets 45. This interconnected structure allows hot air to circulate, passing through the center of the paint bucket 41. Through heat exchange, the water-based epoxy primer and fluorocarbon topcoat inside the paint bucket 41 are dried.

[0031] In order to ensure that the water-based epoxy primer and fluorocarbon topcoat contained in the paint bucket 41 are heated and dried evenly, in this embodiment, the water-based epoxy primer and fluorocarbon topcoat (hereinafter referred to as paint) are poured into the paint bucket 41 and the paint bucket 41 is placed inside the oven body 1. The positioning pin 42 at the bottom of the paint bucket 41 is inserted into the positioning hole 52 on the turntable 51 to realize the plug-in connection between the paint bucket 41 and the turntable 51. At this time, the output end of the control motor 56 rotates slowly. The motor 56 drives the drive gear 57 to rotate through the output end on one side. Through the meshing connection between the drive gear 57 and the driven gear 53, the driven gear 53 rotates after being driven, and the turntable 51 and the paint bucket 41 rotate slowly, which can effectively prevent the paint in the paint bucket 41 from shaking and avoid the generation of bubbles, etc.

[0032] The hot air circulation system inside the oven body 1 (composed of a fan, heating element, gas flow channel, etc., which is the prior art) causes hot air to flow from one side to the other inside the oven body 1. At this time, the hot air blows towards the paint bucket 41. Under the heat conduction of the paint bucket 41, the heat is transferred to the paint inside the paint bucket 41 and dries the paint. As the paint bucket 41 rotates, the position opposite to the direction of the hot air flow faces the hot air, which can evenly heat the paint inside the paint bucket 41.

[0033] Furthermore, a portion of the hot air located in the upper part of the oven body 1 enters the guide pipe 43 through the air inlet 45 during the horizontal circulation process. The hot air passes through the middle position of the paint bucket 41. Under the heat exchange, the paint in the central position inside the paint bucket 41 can be dried, improving the drying efficiency while ensuring the uniformity of drying.

[0034] Example 2

[0035] Reference Figure 1 , Figure 5 and Figure 6 Based on the above embodiments, this utility model also proposes a gradient drying oven for water-based epoxy primer and fluorocarbon topcoat, including an oven body 1. A fixed arc plate 61 and a rotating arc plate 62 from the gradient heating assembly 6 are symmetrically arranged at the bottom interior of the oven body 1 near the outer side of the paint bucket 41. One end of the rotating arc plate 62 is movably connected to the bottom interior of the oven body 1 via a connecting shaft. By rotating the rotating arc plate 62 along one end, the space between the rotating arc plate 62 and the fixed arc plate 61 can be opened, facilitating the placement of the paint bucket 41 inside the oven body 1 and the loading and unloading of paint. The side plates 63 on the fixed arc plate 61 and the rotating arc plate 62 respectively fit against one inner wall of the oven body 1 and one outer wall of the oven door 3. The inclined side plate 63 guides the hot air into the space between the fixed arc plate 61 and the rotating arc plate 62, allowing the hot air to move along the outer wall of the paint bucket 41, thus drying the paint inside the paint bucket 41. The fixed arc plate 61 and the rotating arc plate 62 are each provided with a side plate 63 on one side, and several infrared halogen heaters 64 are provided at equal intervals around the inner side walls of the fixed arc plate 61 and the rotating arc plate 62. The infrared halogen heaters 64 can be controlled individually to control various forms of temperature gradients. A connecting block 65 is provided on one outer wall of the rotating arc plate 62. The connecting block 65 is fixed to the oven body 1 by screws, which can fix the position of the rotating arc plate 62.

[0036] To achieve a gradient drying of the water-based epoxy primer and fluorocarbon topcoat inside the paint bucket 41, in this embodiment, the rotating arc plate 62 is rotated along one side to open the space between the rotating arc plate 62 and the fixed arc plate 61, placing the paint bucket 41 on the turntable 51 inside the oven body 1. Guided by the inclined side plate 63, hot air is directed to enter the space between the fixed arc plate 61 and the rotating arc plate 62, and moves along the outer wall of the paint bucket 41 to dry the paint inside. The working power of the infrared halogen heaters 64 at different positions is individually controlled according to the heat loss during the hot air flow, so that relatively equal heat is generated, ensuring that the outer wall of the paint bucket 41 receives consistent heat, thereby guaranteeing the uniformity and efficiency of drying.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A gradient drying oven for water-based epoxy primer and fluorocarbon topcoat, characterized in that: Includes the oven body (1) and the oven door (3) hinged to one side wall; Flow holes (2) are symmetrically arranged on the inner side wall of the oven body (1); Paint storage component (4) and uniform heating component (5) are provided inside the oven body (1); The paint storage component (4) includes: Paint bucket (41) placed inside the oven body (1); The positioning post (42) is located at the bottom of the paint bucket (41); and A guide pipe (43) is provided at the center of the bottom inside the paint bucket (41); A flow guide hole (44) is provided at the center of the bottom of the paint bucket (41); An air inlet (45) is circumferentially opened on the outer wall of the guide tube (43); The uniform heating component (5) includes: A turntable (51) that rotates at the bottom of the interior of the oven body (1); A positioning hole (52) is provided on the top of the turntable (51); and A driven gear (53) is located at the center of the bottom of the turntable (51); A support (55) is provided at the bottom of the oven body (1); A motor (56) is located at the bottom of the bracket (55); The drive gear (57) is fixed to the output end of the motor (56); The return pipe (54) rotates at the bottom of the driven gear (53).

2. The gradient drying oven for waterborne epoxy primer and fluorocarbon topcoat according to claim 1, characterized in that: The oven body (1) is further provided with a gradient heating component (6), which includes: A fixed arc plate (61) is provided at the bottom of the oven body (1) on one outer side near the paint bucket (41); and Rotating arc plate (62) located at the bottom of the oven body (1) on the other side of the paint bucket (41); Side plates (63) are respectively provided on one side of the fixed arc plate (61) and the rotating arc plate (62); Infrared halogen heaters (64) are respectively arranged at equal intervals in the circumference on the inner sidewalls of the fixed arc plate (61) and the rotating arc plate (62); A connecting block (65) is provided on the outer wall of one side of the rotating arc plate (62).

3. The gradient drying oven for waterborne epoxy primer and fluorocarbon topcoat according to claim 1, characterized in that: The positioning pin (42) and the positioning hole (52) are matched and fit together.

4. The gradient drying oven for waterborne epoxy primer and fluorocarbon topcoat according to claim 1, characterized in that: The guide hole (44) and return pipe (54) on the guide pipe (43) are both connected to the air inlet (45).

5. The gradient drying oven for waterborne epoxy primer and fluorocarbon topcoat according to claim 1, characterized in that: The driven gear (53) and the driving gear (57) are connected by gear meshing.

6. The gradient drying oven for waterborne epoxy primer and fluorocarbon topcoat according to claim 2, characterized in that: One end of the rotating arc plate (62) is movably connected to the bottom of the oven body (1) via a connecting shaft.

7. The gradient drying oven for waterborne epoxy primer and fluorocarbon topcoat according to claim 2, characterized in that: The connecting block (65) and the oven body (1) are fixed together by screws.

8. The gradient drying oven for waterborne epoxy primer and fluorocarbon topcoat according to claim 2, characterized in that: The side plates (63) on the fixed arc plate (61) and the rotating arc plate (62) are respectively attached to one side of the inner wall of the oven body (1) and one side of the outer wall of the oven door (3).

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