Tunnel type infrared curing oven

Abstract

The utility model discloses a tunnel type infrared curing oven, which relates to the technical field of infrared tunnel furnaces and comprises a bottom box, the top of the bottom box is fixedly connected with a housing, the top end of the housing is fixedly connected with two inclined plates, a plurality of thermosensitive coating blocks are embedded in the top end of one inclined plate, one end of the housing is provided with a feed port, and the other end of the housing is provided with a discharge port. A vertical plate is fixedly connected to the inner wall of the feeding port, a rack is arranged on one side of the vertical plate, a second gear is meshed with one side wall of the rack, a first gear is meshed with the outer side of the second gear, and a baffle is fixedly connected to the bottom end of the rack. By arranging a series of structures, the situation that adjacent products are arranged too densely is avoided, so that the spacing distance between the adjacent products is guaranteed, curing of the products in the infrared curing oven is facilitated, an operator is prevented from making contact with the top of the oven body, the probability that the operator is scalded due to the fact that the operator makes contact with the top of the oven body is reduced, and the service life of the operator is prolonged. And meanwhile, adverse effects on normal operation of the infrared curing oven are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of infrared tunnel furnaces, in particular to a tunnel-type infrared curing furnace. Background Art

[0002] Tunnel-type infrared furnace, also known as infrared tunnel furnace, is a heat treatment equipment with efficient energy utilization. It adopts advanced infrared radiation technology to convert electrical energy into high-temperature thermal energy, realizing rapid heating and efficient heat treatment of materials. It is widely used in metal heating, ceramic sintering and other surface drying and curing fields.

[0003] However, when placing products to be cured in existing tunnel-type infrared curing ovens, manual intervention is usually required to arrange the products in the oven at intervals. Due to uncontrollable human factors, the products are easily arranged too densely when placed in the oven, causing adjacent products to be too close to each other, which is not conducive to the curing of the product surface. In addition, the heat of existing tunnel-type infrared curing ovens is usually concentrated on the top of the inner side of the oven body, and the top of the curing oven is also a location with more heat dissipation. Since the top of the curing oven is usually in a horizontal state, the operator is likely to place debris on the top of the oven body when watching the operation of the curing oven. Moreover, since the temperature of the top of the oven body cannot be sensed, the operator is at risk of burns when touching the top of the oven body, and the placed debris is also likely to affect the normal operation of the curing oven. Utility Model Content

[0004] The purpose of the present invention is to provide a tunnel-type infrared curing oven to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tunnel-type infrared curing furnace, comprising a bottom box, the top of the bottom box is fixedly connected to a cover shell, the top of the cover shell is fixedly connected to two inclined plates, the top of one of the inclined plates is embedded with a plurality of heat-sensitive paint blocks, a feed port is provided at one end of the cover shell, the inner wall of the feed port is fixedly connected to a vertical plate, a rack is provided on one side of the vertical plate, a second gear is engaged with one side wall of the rack, a first gear is engaged with the outer side of the second gear, a baffle is fixedly connected to the bottom end of the rack, an annular groove is provided on the inner wall of the cover shell, a discharge port is provided at the other end of the cover shell, a conveyor chain is installed in the middle of the top of the bottom box, and a rotating motor is installed inside the bottom box.

[0006] Preferably, a plurality of circulation fans are installed on the top of another inclined plate, a return air duct is passed through one side wall of each of the plurality of circulation fans, and the bottom ends of each of the plurality of return air ducts pass through the top of the bottom box.

[0007] Preferably, a gasket is fixedly connected to the bottom end of the baffle, and a hydraulic rod is installed on the top end of the baffle, and the hydraulic rod is movably embedded in the middle of the vertical plate.

[0008] Preferably, a rotating rod is fixedly connected to the middle portion of the first gear, and a chain is engaged with one end portion of the rotating rod.

[0009] Preferably, the rotating rod is engaged and rotatably connected with the end of the roller on the conveying chain through a chain, and the first gear is rotatably connected with the cover shell through the rotating rod.

[0010] Preferably, a clamping rod is fixedly connected to the middle portion of the second gear, and the clamping rod is movably connected to the annular groove.

[0011] Preferably, the second gear is movably engaged with the rack through a clamping rod and an annular groove, and the rack is slidingly connected to the vertical plate through the second gear.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. This tunnel-type infrared curing oven uses the first gear, the second gear, the annular groove, the rack and the baffle to adjust the products at the same time interval before they enter the infrared curing oven. This allows the products to enter the oven body for curing and drying at the same interval, avoiding the situation where adjacent products are arranged too closely, thereby ensuring the interval distance between adjacent products and facilitating the curing of the products in the infrared curing oven.

[0014] 2. This tunnel-type infrared curing oven tilts its top to both sides through the inclined plate and the heat-sensitive paint block, so that no debris can be placed on the top of the oven, thus preventing the operator from contacting the top of the oven. At the same time, the heat-sensitive paint that changes color with temperature allows the operator to more intuitively perceive the real-time temperature of the top of the oven, thereby reducing the probability of the operator being burned by contact with the top of the oven and reducing the adverse effects on the normal operation of the infrared curing oven. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic structural diagram of the first gear and the second gear of the present invention;

[0017] Figure 3 This is a schematic structural diagram of the inclined plate and the heat-sensitive coating block of the utility model;

[0018] Figure 4 This is a schematic diagram of the baffle and rack structure of the utility model.

[0019] In the figure: 1. Base box; 2. Cover; 3. Circulation fan; 4. Heat-sensitive paint block; 5. Inclined plate; 6. Vertical plate; 7. Baffle; 8. Conveyor chain; 9. Discharge port; 10. Rotating motor; 11. First gear; 12. Annular groove; 13. Second gear; 14. Rack; 15. Feed port; 16. Rotating rod; 17. Chain; 18. Return air duct; 19. Gasket; 20. Hydraulic rod. DETAILED DESCRIPTION

[0020] 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.

[0021] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0023] like Figures 1 to 4As shown, the tunnel-type infrared curing oven in this embodiment includes a bottom box 1, the top of the bottom box 1 is fixedly connected to a cover shell 2, the top of the cover shell 2 is fixedly connected to two inclined plates 5, the top of one of the inclined plates 5 is embedded with a plurality of heat-sensitive paint blocks 4, a feed port 15 is provided at one end of the cover shell 2, the inner wall of the feed port 15 is fixedly connected to a vertical plate 6, a rack 14 is provided on one side of the vertical plate 6, a side wall of the rack 14 is engaged with a second gear 13, the outer side of the second gear 13 is engaged with a first gear 11, the bottom end of the rack 14 is fixedly connected to a baffle 7, an annular groove 12 is provided on the inner wall of the cover shell 2, a discharge port 9 is provided at the other end of the cover shell 2, a conveyor chain 8 is installed in the middle of the top of the bottom box 1, and a rotating motor 10 is installed inside the bottom box 1.

[0024] Specifically, a cavity is provided inside the bottom box 1, and the cavity is connected to the end of the return air duct 18, so that the hot air sent back by the circulating fan 3 can be blown from bottom to top to the products of the conveyor chain 8, which is beneficial to saving the energy consumption of the infrared curing furnace. The feed port 15 and the discharge port 9 at both ends of the cover shell 2 are the same size, and the height of the openings are relatively low, which can avoid the waste caused by heat overflow. The side walls of the two inclined plates 5 fit together, so that the top of the furnace body is inclined downward on both sides, so that debris cannot be placed on the top. At the same time, the inclined plate 5 facilitates the disassembly of the top of the cover shell 2, which is beneficial to cleaning the dust in the tunnel formed by the cover shell 2. Dust, the thermal paint block 4 is a metal plate coated with thermal paint, which can change color with the change of temperature, which is beneficial to remind the operator of the temperature of the top of the furnace body at this time, and at the same time facilitates the user to perceive the temperature of the furnace body more intuitively, reduces the probability of contact between the operator and the top of the furnace body, and reduces the risk of burns. The number of racks 14, first gears 11, second gears 13 and chains 17 are two, so that the baffle 7 can remain stable when being lifted. The output end of the rotating motor 10 is connected to the end of the roller on the conveyor chain 8 through a belt, so that the conveyor chain 8 can be driven to rotate by the rotating motor 10.

[0025] Furthermore, multiple circulation fans 3 are installed at the top of another inclined plate 5, and a return air duct 18 is passed through one side wall of the multiple circulation fans 3. The bottom ends of the multiple return air ducts 18 pass through the top of the bottom box 1. The return air duct 18 can return the hot air retained at the top of the inner side of the cover 2 to the bottom of the inner side of the cover 2, thereby realizing the recycling of heat energy and reducing the actual temperature of the top of the furnace body.

[0026] Furthermore, a gasket 19 is fixedly connected to the bottom end of the baffle 7, and a hydraulic rod 20 is installed on the top end of the baffle 7. The hydraulic rod 20 is movably embedded in the middle of the vertical plate 6. The gasket 19 can reduce the friction between the baffle 7 and the conveyor chain 8 when it falls back, thereby increasing the protection of the baffle 7.

[0027] Furthermore, a rotating rod 16 is fixedly connected to the middle of the first gear 11, and a chain 17 is engaged at one end of the rotating rod 16. The chain 17 serves to connect the rotating rod 16 and the roller on the conveyor chain 8, so that when the conveyor chain 8 is driven by the rotating motor 10, the first gear 11 will also rotate on the inner wall of the cover 2, providing power for the rotation of the first gear 11.

[0028] Furthermore, the rotating rod 16 is engaged and rotatably connected with the roller end on the conveyor chain 8 through the chain 17, and the first gear 11 is rotatably connected with the cover 2 through the rotating rod 16. The rotating rod 16 can drive the first gear 11 to rotate, so that the first gear 11 can engage with the second gear 13 to rotate, providing power for the rotation of the second gear 13.

[0029] Furthermore, a clamping rod is fixedly connected to the middle part of the second gear 13, and the clamping rod is movably connected to the annular groove 12. The clamping rod can make a circular motion along the annular groove 12 while the second gear 13 engages with the first gear 11 and rotates, so that the second gear 13 can contact and engage with the rack 14, thereby realizing the meshing connection of the second gear 13 to the first gear 11.

[0030] Furthermore, the second gear 13 is movably engaged with the rack 14 through the clamping rod and the annular groove 12, and the rack 14 is slidingly connected to the vertical plate 6 through the second gear 13. After the second gear 13 is engaged with the rack 14, the rack 14 can drive the baffle 7 to rise or fall at the feed port 15, thereby realizing the adjustment of the interval distance of the products entering the conveyor chain 8 by the baffle 7, thereby avoiding the situation where the products are arranged too densely.

[0031] The method of using this embodiment is as follows: when using this tunnel-type infrared curing oven, first connect this curing oven to an external power supply so that the infrared lamp tube in the oven body starts to be powered on and heats up, then start the rotary motor 10, drive the conveyor chain 8 to rotate, drive the chain 17 and the rotating rod 16 on the chain 17 to rotate, drive the first gear 11 fixed to the rotating rod 16 to rotate, drive the first gear 11 to engage the second gear 13, so that the second gear 13 rotates along the annular groove 12 through the clamping rod and engages with the first gear 11. At this time, the product to be cured can be placed on the conveyor chain 8 at the feed port 15. At this time, the conveyor chain 8 transports the product to the baffle 7 at the feed port 15. When the second gear 13 rotates to a position that meshes with the rack 14, it will mesh with the clamping teeth on the rack 14, so that the rack 14 slides upward along the vertical plate 6, driving the baffle 7 to be lifted from the feed port 15. At the same time, the piston in the hydraulic rod 20 will be in a compressed state. After the baffle 7 is raised, the products on the conveyor chain 8 will pass through the conveyor chain 8 smoothly into the cover 2. When the second gear 13 is disengaged from the rack 14, the baffle 7 will be pushed back to its original height by the hydraulic rod 20. At this time, the gasket 19 will fit with the top of the conveyor chain and block the products placed on the conveyor chain 8 again until the second gear 13 is engaged with the rack 14 again, the baffle 7 will be raised again, and the products blocked by the baffle 7 will enter the cover 2 through the feed port 15 at the same interval for curing, so that a suitable interval is maintained between adjacent products entering the cover 2. Then, as the temperature in the cover 2 rises, heat accumulates at the top of the inner side of the cover 2 and is conducted to the inclined plate 5 through the top of the inner side of the cover 2, so that the heat-sensitive paint block 4 on the inclined plate 5 changes color with the change of temperature. The operator can intuitively perceive the temperature at the top of the curing furnace based on the color change, making it difficult for the operator to easily contact the top of the furnace body.

[0032] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A tunnel-type infrared curing oven, comprising a bottom box (1), characterized in that: The top of the bottom box (1) is fixedly connected to a cover shell (2), and the top of the cover shell (2) is fixedly connected to two inclined plates (5), and a plurality of heat-sensitive paint blocks (4) are embedded at the top of one of the inclined plates (5). A feed port (15) is provided at one end of the cover shell (2), and a vertical plate (6) is fixedly connected to the inner wall of the feed port (15), and a rack (14) is provided on one side of the vertical plate (6). A second gear (13) is meshed with a side wall of the rack (14), and a first gear (11) is meshed with the outer side of the second gear (13), and a baffle (7) is fixedly connected to the bottom end of the rack (14). An annular groove (12) is provided on the inner wall of the cover shell (2), and a discharge port (9) is provided at the other end of the cover shell (2). A conveyor chain (8) is installed in the middle of the top of the bottom box (1), and a rotating motor (10) is installed inside the bottom box (1).

2. The tunnel-type infrared curing oven according to claim 1, characterized in that: A plurality of circulation fans (3) are installed on the top of the other inclined plate (5), a return air duct (18) is passed through one side wall of each of the circulation fans (3), and the bottom ends of each of the return air ducts (18) pass through the top of the bottom box (1).

3. The tunnel-type infrared curing oven according to claim 1, characterized in that: The bottom end of the baffle (7) is fixedly connected with a gasket (19), and the top end of the baffle (7) is installed with a hydraulic rod (20), and the hydraulic rod (20) is movably embedded in the middle of the vertical plate (6).

4. The tunnel-type infrared curing oven according to claim 3, characterized in that: A rotating rod (16) is fixedly connected to the middle portion of the first gear (11), and a chain (17) is engaged at one end portion of the rotating rod (16).

5. The tunnel-type infrared curing oven according to claim 4, characterized in that: The rotating rod (16) is engaged and rotationally connected with the end of the roller on the conveying chain (8) through a chain (17), and the first gear (11) is rotationally connected with the cover shell (2) through the rotating rod (16).

6. The tunnel-type infrared curing oven according to claim 1, characterized in that: A clamping rod is fixedly connected to the middle of the second gear (13), and the clamping rod is movably connected to the annular groove (12).

7. The tunnel-type infrared curing oven according to claim 6, characterized in that: The second gear (13) is movably engaged with the rack (14) through a clamping rod and an annular groove (12), and the rack (14) is slidably connected to the vertical plate (6) through the second gear (13).

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