Spraying drying box side door structure

Abstract

The utility model provides a spraying drying box side door structure, which belongs to the technical field of drying box side doors and comprises a drying box body. The multiple door plates are movably hinged to the two side ends of the drying box body through hinge shafts correspondingly; the number of the sealing mechanisms is two, each sealing mechanism comprises a conveying channel, a soft plate and limiting plates, the number of the limiting plates is two, and the two limiting plates are fixedly connected to the surfaces of the two door plates correspondingly; by using the device, the coiling control mechanism drives the soft plate to pass through the conveying channel and then enter the two limiting plates, a gap between the two door plates is sealed, the sealing performance of the drying box body is effectively improved, and the situation that the temperature in the drying box body is reduced due to heat overflow is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of drying box side doors, and in particular relates to a spray drying box side door structure. Background Art

[0002] The spray drying oven is a safe and efficient auxiliary equipment designed specifically for the spray coating industry. Its primary function is to quickly dry workpieces after the spraying operation to ensure coating quality. The side door is made of high-strength aluminum alloy, which has excellent corrosion resistance and mechanical strength, and can withstand the frequent opening and closing during long-term use. The door is designed to open outward, allowing operators to quickly insert and remove workpieces while reducing the need for workspace. The door is equipped with a high-temperature resistant sealing strip at the door seam to ensure uniform temperature inside the drying oven, prevent heat loss, and improve drying efficiency. The side door also has an observation window, allowing operators to monitor the drying process in real time and adjust process parameters promptly. In addition, the side door is equipped with a safety lock to ensure that the door is tightly closed during the drying process, preventing accidental opening and ensuring the safety of the operator. The overall structure is compact and easy to install, suitable for spray coating production lines of various sizes.

[0003] In the prior art, for example, Chinese patent application number CN201910310790.6, published on June 18, 2019, discloses a high-efficiency spray drying device for automobile wheel hub spraying, comprising a drying box having an opening on the front surface thereof, a switch door provided on the opening, ventilation openings on the left and right sides of the drying box, a ventilation mechanism provided on the ventilation openings, a control mechanism provided on the left side of the front surface of the drying box, adjustable wheel hub fixing devices provided on the left and right sides of the drying box, a rotating spray drying device provided on the top of the drying box, and a pigment changing and storage device provided on the top of the drying box. The above document has a simple structure and strong practicality.

[0004] Since the equipment to be sprayed is relatively large, in order to be able to place the larger equipment into the spray drying box, the entire spray drying box body is made larger, so the side door of the spray drying box is a two-door structure. However, after the two doors are closed, there is a gap between the two door panels. During the drying operation, heat is easily dissipated from the gap, and the heat in the drying box cannot reach the temperature required for drying the object, which has a certain impact on the drying of the object. Utility Model Content

[0005] The purpose of the utility model is to provide a side door structure of a spray drying box with good sealing performance and simple structure.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] The utility model provides a kind of spray drying oven side door structure, drying oven body;Two door panels are provided on drying oven body, and two door panels are covered on drying oven body, including sealing mechanism, sealing mechanism is arranged in drying oven body and is close to the side of door panel, door gap is formed between two door panels after door panel closure, the sealing mechanism includes conveying channel, soft board, winding control mechanism and limit plate, the limit plate is equipped with two, two limit plate is fixedly connected in the inner side of two door panels close to door gap position, two limit plates form limit channel, and the upper portion of limit channel is provided with opening, the conveying channel is opened in drying oven body, and the soft board is slidably connected in conveying channel and two limit channels, and the both ends of soft board are connected with winding control mechanism respectively.

[0008] The above arrangement, by setting limit plate on the inner side of door panel, so that limit plate forms limit channel after two door panels are closed, then soft board enters into limit channel through the opening on limit channel, then control winding control mechanism to make soft board move on conveying channel to the position of door gap to shield and seal door gap, when the door needs to be opened, soft board can be slid out of the opening in limit channel to open the door, so that the structure is simple and convenient to realize.

[0009] Further, the upper end of the drying oven body is fixedly connected with a shell, the shell is provided with a winding control mechanism, and another winding control mechanism is arranged at the bottom of the drying oven body.

[0010] The above arrangement, by setting the both ends of soft board on the shaft of winding control mechanism, when the movement of soft board needs to be controlled, the two shafts of winding control mechanism are controlled to move synchronously and reversely, one shaft is operated in winding, and the other shaft is operated in releasing, so as to realize the movement of soft board.

[0011] Further, the inner wall of the drying oven body is fixedly connected with a sealing frame on both sides.

[0012] The above arrangement, by setting sealing frame on both sides of inner arm, the position of door gap in the middle of door panel can be sealed.

[0013] Further, the corners of the two conveying channels are rounded.

[0014] The above arrangement facilitates the flexible movement of soft board at the corner.

[0015] Furthermore, the width of one end of the flexible board is smaller than the width of the other end of the flexible board, the width of one end of the flexible board is smaller than the width of the opening on the limiting channel, and the width of the other end of the flexible board is larger than the width of the opening.

[0016] With the above arrangement, when the door panel needs to be opened, the end of the soft board close to the bottom of the drying box is moved to the door gap position, so that one end of the soft board can be easily moved out of the opening of the limiting channel when the door panel is opened.

[0017] Furthermore, the limiting plate is an L-shaped plate, one end of the L-shaped plate is connected to the inner surface of the door panel, there is a gap between the plane where the other end of the L-shaped plate is located and the inner side of the door panel, and an opening is formed between the other ends of the L-shaped plates on the two door panels.

[0018] With the above arrangement, a limiting channel can be formed by the inverted L-shaped plate, and the structure is simple.

[0019] Furthermore, the length of the soft board is greater than the length of the conveying channel.

[0020] The above arrangement ensures that the soft board is long enough to cover the door gap of the door panel.

[0021] Furthermore, the conveying channel includes a groove provided on the inner wall of the drying box, the upper end opening of the groove is smaller than the width of the lower end, and the width of the soft board is larger than the upper end opening and smaller than the width of the lower end.

[0022] The above arrangement can more reliably confine the flexible board in the groove and enable it to move in the groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0024] Figure 1 It is a three-dimensional diagram of the utility model;

[0025] Figure 2 This is the first cross-sectional view of the present utility model;

[0026] Figure 3 This is a second cross-sectional view of the present invention;

[0027] Figure 4 For this utility model Figure 3 A partial enlarged view of point A in the middle.

[0028] Figure 5 for Figure 2 Enlarged view of point B in the middle.

[0029] Figure 6 A cross-sectional view of the conveying channel.

[0030] Figure 7 This is an exploded view of the present invention.

[0031] In the figure: 1. Drying box; 2. Door panel; 3. Outer shell; 4. Gear; 5. Motor; 6. Rotating shaft; 7. Conveying channel; 8. Soft board; 9. Limiting plate; 10. Sealing frame; 11. Groove. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] Example

[0034] See also Figure 1-Figure 7 The utility model provides the following technical solutions: a side door structure of a spray drying box, comprising: a drying box body 1; a door panel 2, which is provided with two, and the two door panels 2 are respectively hinged to the two side ends of the drying box body 1 through hinge shafts;

[0035] The sealing mechanism is provided with two groups, each of which includes a conveying channel 7, a soft plate 8, a limit plate 9 and a winding control mechanism. There are two limit plates 9, and the two limit plates 9 are respectively fixedly connected to the surfaces of two of the door panels 2. The conveying channel 7 is opened in the drying box body 1, and the soft plate 8 is slidably connected to the conveying channel 7 and the two limit plates 9. The two ends of the soft plate 8 are respectively connected to the winding control mechanism.

[0036] In the specific embodiment of the utility model, the drying box body 1 is the main body of the spray drying box, the drying box body 1 is used to dry the paint on the surface of the object, two door panels 2 are movably hinged to the two side ends of the drying box body 1 through a hinge shaft, when the two door panels 2 are opened, the object is conveyed to the drying box body 1 through a track to be dried; when the two door panels 2 are closed, a gap is formed between the two door panels 2, after the two door panels 2 are closed, two limiting plates 9 on the surface of the two door panels 2 form a limiting channel, an opening is arranged on the limiting channel, the limiting channel is used for sliding the soft plate 8, the winding control mechanism operates, the shaft 6 rotates to wind the soft plate 8, the soft plate 8 slides to the two limiting plates 9 through the conveying channel 7, the soft plate 8 blocks the gap between the two door panels 2, so that the heat in the drying box body 1 does not overflow from the gap, the sealing mechanism is arranged, the sealing property of the drying box body 1 is effectively improved, and the heat overflow is avoided to reduce the temperature in the drying box body 1; the soft plate 8 is made of high-temperature-resistant material and soft material, in the embodiment, the limiting plate 9 is an L-shaped plate, one end of the L-shaped plate is connected to the inner surface of the door panel, and a gap exists between the plane where the other end of the L-shaped plate is located and the inner side surface of the door panel, an opening is formed between the other ends of the L-shaped plates on the two door panels.

[0037] Referring to Figures 1-4 , the winding control mechanism is provided with one, and the upper end of the drying box body 1 is fixedly connected with a shell 3. The winding control mechanism is arranged in the shell 3. The winding control mechanism is arranged in the shell 3 and includes a shaft 6, a gear 4 and a motor 5. The gear 4 and the shaft 6 are both provided with two, the two shafts 6 are both rotatably connected in the shell 3, the two shafts 6 are respectively connected with two soft plates 8, the two gears 4 are respectively fixedly connected with the end portions of the two shafts 6, the two gears 4 are engaged with each other, the motor 5 is fixedly connected with the upper end of the drying box body 1, the output end of the motor 5 is fixed with one end of one of the shafts 6, one end of the soft plate 8 is connected with one of the shafts 6 in the winding control mechanism, and the other end of the soft plate 8 is connected with the other shaft 6 in the winding control mechanism.

[0038] In the embodiment, the sealing mechanism is provided with two groups, the front side and the rear side of the drying box body are respectively provided with door panels, the two motors 5 in the winding control mechanism are fixedly connected with the upper end of the drying box body 1, the motor 5 drives one of the shafts 6 to rotate when operating, the surfaces of the two shafts 6 are both fixedly connected with gears 4, and the two gears 4 are engaged with each other, one of the shafts 6 rotates, and the other shaft 6 rotates in the opposite direction at the same time, the two shafts 6 are respectively connected with the two soft plates 8, and the shaft 6 winds the soft plate 8 on the circumferential surface of the shaft 6 or inputs the soft plate 8 wound on the surface of the shaft 6 into the limiting plate 9 through the conveying channel 7 when rotating, so that the winding and unwinding of the soft plate 8 are conveniently realized.

[0039] For details, please refer to Figures 1-4 The inner walls of the drying box body 1 are both fixedly connected with sealing frames 10; the sealing frames 10 are used to seal the parts where the door panels 2 rotate through the hinge shafts.

[0040] For details, please refer to Figures 1-6 The corners of the two conveying channels 7 are set as rounded corners; the rounded corners are convenient for the soft board 8 to turn, and the conveying channel 7 is a groove 11 set on the inner wall of the drying box. The upper end opening of the groove 11 is smaller than the width of the bottom of the groove, and the width of the soft board 8 is smaller than the upper end opening and larger than the width of the bottom of the groove.

[0041] For details, please refer to Figures 1-6 The length of the soft plate 8 is greater than the length of the conveying channel 7 and the limiting plate 9; the length of the soft plate 8 is sufficient to ensure the sealing between the two door panels 2; the width of the soft plate 8 near one end is smaller than the width of the other end of the soft plate 8, the width of one end of the soft plate 8 is smaller than the width of the opening on the limiting channel, and the width of the other end of the soft plate 8 is greater than the width of the opening. The end with the smaller width of the soft plate 8 is connected to the end with the larger width of the soft plate 8 by a connecting piece. The connecting piece can be a snap-fit ​​protrusion formed at one end, and the two sections of the soft plate 8 form a snap-fitting part. When the door panel is opened and items need to be moved in, the connecting piece can be disconnected, so that the soft plate 8 will not block the door position.

[0042] It should be noted that the specific type of motor 5 to be used is selected by relevant technicians familiar with this field, and the above-mentioned motor 5 and the like belong to the existing technology and will not be elaborated in this solution.

[0043] The working principle and usage process of the present invention are as follows: when the device is in use, the door panel 2 is first opened to convey the workpiece to be dried into the drying box body 1, and the winding control mechanism is opened so that the end of the soft board with a thinner width is located at the door position of the drying box body. Then, the door panel 2 is closed. After the two door panels 2 on the same side are closed, the thin end of the soft board 8 passes through the limit plate (the thinner end of the soft board 8 can be determined by controlling the number of turns of the winding control mechanism to reach the door position), and the two limit plates 9 on its surface form a track connecting the soft board 8. The winding control mechanism is operated, and the winding control mechanism drives the wider end of the soft board 8 through the conveying channel 7 and into the two limit plates 9, sealing the gap between the two door panels 2, and then performing the drying step on the workpiece in the drying box body 1; by using the present device, the winding control mechanism drives the soft board 8 through the conveying channel 7 and into the two limit plates 9, sealing the gap between the two door panels 2, effectively improving the sealing performance of the drying box body 1, and preventing heat overflow from lowering the temperature inside the drying box body 1.

Claims

1. A spray drying box side door structure, a drying box body; the drying box body is provided with two door panels arranged opposite to each other, and the two door panels cover the drying box body, characterized in that: It includes a sealing mechanism, which is arranged on one side of the drying box body close to the door panel. After the door panel is closed, a door gap is formed between the two door panels. The sealing mechanism includes a conveying channel, a soft plate, a winding control mechanism and a limit plate. There are two limit plates, and the two limit plates are respectively fixedly connected to the inner side surfaces of the two door panels close to the door gap. The two limit plates form a limiting channel, and an opening is provided above the limiting channel. The conveying channel is opened in the drying box body, and the soft plate is slidably connected to the conveying channel and the two limiting channels. The two ends of the soft plate are respectively connected to the winding control mechanism.

2. The side door structure of a spray drying box according to claim 1, characterized in that: The upper end of the drying box is fixedly connected to a shell, a winding control mechanism is provided in the shell, and another winding control mechanism is provided at the bottom of the drying box. The winding control mechanism includes a rotating shaft, a gear and a motor. There are two gears and two rotating shafts, and the two rotating shafts are rotatably connected to the shell. The two rotating shafts are respectively connected to one end of the soft board, and the two gears are respectively fixedly connected to the ends of the two rotating shafts. The two gears are meshed with each other. The motor is fixedly connected to the upper end of the drying box, and the output end of the motor is fixed to one end of one of the rotating shafts. The other end of the two soft boards is connected to the other rotating shaft of a winding control mechanism.

3. The side door structure of a spray drying box according to claim 1, characterized in that: Sealing frames are fixedly connected to both sides of the inner wall of the drying box.

4. The side door structure of a spray drying box according to claim 1, characterized in that: The corners of the two conveying channels are both rounded.

5. The side door structure of a spray drying box according to claim 1, characterized in that: The width of one end of the flexible board is smaller than the width of the other end of the flexible board, the width of one end of the flexible board is smaller than the width of the opening on the limiting channel, and the width of the other end of the flexible board is larger than the width of the opening.

6. The side door structure of a spray drying box according to claim 1, characterized in that: The limiting plate is an L-shaped plate, one end of which is connected to the inner surface of the door panel, and there is a gap between the plane where the other end of the L-shaped plate is located and the inner side of the door panel, forming an opening between the other ends of the L-shaped plates on the two door panels.

7. The side door structure of a spray drying box according to claim 1, characterized in that: The length of the soft board is greater than the length of the conveying channel.

8. The side door structure of a spray drying box according to claim 1, characterized in that: The conveying channel includes a groove provided on the inner wall of the drying box, the upper end opening of the groove is smaller than the width of the lower end, and the width of the soft board is larger than the upper end opening and smaller than the width of the lower end.

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