Periodic control type tunnel drying furnace

Abstract

The utility model discloses a period control type tunnel drying oven which comprises a drying oven body, supporting legs are arranged at the four corners of the lower end face of the drying oven body, and guiding sliding shafts and adjusting devices are symmetrically arranged on the side end faces of the drying oven body. The adjusting device is fixedly arranged at the position, deviating from the guide sliding shaft, of the side end face of the drying furnace body. By arranging the two sets of material guiding devices, during drying, the upper stepping motor and the lower stepping motor can drive the conveying steel belt to move in the drying furnace body through the conveying belt roller in a periodic circulation mode, then the material drying efficiency is effectively improved, meanwhile, the servo motor can be in threaded connection with the ball sliding base through the two-way lead screw, and therefore the material drying efficiency is improved. And therefore, the distance between the two groups of fixed clamping seats is synchronously regulated and controlled, and the adaptability of the equipment to drying of different materials is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drying furnace equipment, in particular to a periodically controlled tunnel type drying furnace. Background Art

[0002] Tunnel drying furnace is a high-efficiency, energy-saving and environmentally friendly drying equipment, which is widely used in material drying in food, pharmaceutical and other industries.

[0003] As disclosed in the utility model patent with publication number: CN219324405U, a tunnel drying furnace comprises a drying furnace base, and a plurality of hot air circulation drying mechanisms and a conveyor belt are sequentially installed on the top of the drying furnace base; the hot air circulation drying mechanism comprises a hot air box, a blower is installed on the top of the hot air box, a hot air cavity is arranged inside the hot air box, a plurality of infrared heating tubes are installed inside the hot air cavity, a connecting air duct is installed at the bottom of the hot air cavity, an air storage plate is installed at the inner bottom of the hot air box, a plurality of air outlets are arranged at the bottom of the air storage plate, a plurality of return air ducts are arranged at the inner top of the hot air box, and the plurality of return air ducts are evenly connected with the hot air cavity. The device divides the drying furnace into sections through a plurality of hot air circulation drying mechanisms, thereby ensuring the drying effect, and by adjusting the position of the air storage plate up and down, the hot air can be closer to the material to be dried, thereby ensuring the drying effect, and by designing the return air duct, the hot air can be circulated into the hot air cavity for reheating, thereby reducing heat loss and improving the utilization rate of the hot air.

[0004] Although the above-mentioned drying furnace can dry materials, it can only dry a single group of materials during the drying operation, thereby reducing the efficiency of drying multiple groups of materials. At the same time, the above-mentioned drying furnace is not convenient for regulating the drying interval and is not convenient for adjustment according to different material requirements, which reduces the adaptability of the drying furnace. Therefore, a cycle-controlled tunnel drying furnace is urgently needed to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a cycle-controlled tunnel drying furnace to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a cycle-controlled tunnel drying furnace, comprising a drying furnace body, wherein the four corners of the lower end surface of the drying furnace body are provided with support legs, and the side end surface of the drying furnace body is symmetrically provided with guide sliding shafts,

[0007] An adjusting device, wherein the adjusting device is fixedly arranged on a side end surface of the drying furnace body away from the guide sliding shaft;

[0008] A material guiding device, wherein two groups of the material guiding devices are provided, and the two groups of the material guiding devices are threadedly slidably connected to the interior of the drying furnace body through the adjusting device;

[0009] A sealing card plate is fixedly arranged on the side end surface of the drying furnace body close to the guide sliding shaft, and two groups of material guide sliding grooves are opened on the inner end surface of the sealing card plate.

[0010] Preferably, the adjustment device includes a sealing seat for support, a limit seat is fixedly installed at the center of the side end surface of the sealing seat, a servo motor is fixedly arranged on the upper end surface of the limit seat, and a bidirectional screw is fixedly arranged at the output end of the servo motor.

[0011] Preferably, the material guiding device includes a fixed card seat, a ball slide is fixedly arranged at the center of the side end surface of the fixed card seat, and a conveyor belt roller is symmetrically rotatably clamped on the inner end surface of the fixed card seat, a conveyor steel belt is meshingly connected between the two groups of the conveyor belt rollers, a stepper motor is arranged on the front end surface of the fixed card seat opposite to the conveyor belt roller, and linear bearings are arranged at the front and rear of the fixed card seat.

[0012] Preferably, the ball slide is adapted to the bidirectional screw, and the fixed base is adapted to the bidirectional screw through the ball slide and then threadedly connected to the inside of the limit base. The threaded connection between the ball slide and the bidirectional screw can effectively improve the accuracy and stability of the subsequent material guiding device in the threaded lifting and lowering inside the adjusting device.

[0013] Preferably, the fixed clamping seat and the linear bearing are further slidably clamped on the outer end surface of the guide sliding shaft, and the two groups of guide sliding shafts can provide sufficient axial limiting basis for regulating the upper and lower groups of material guiding devices.

[0014] Preferably, the structure of the sealing pallet is the same as that of the sealing pallet seat, and the sealing pallet and the sealing pallet seat are not in contact with the material guiding device. The material guiding grooves inside the sealing pallet and the sealing pallet can provide sufficient lifting and displacement space for the material guiding device, which is convenient for loading and adjusting the spacing.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model sets two groups of material guiding devices, so that when drying, the upper and lower groups of stepper motors can drive the conveyor steel belt to move inside the main body of the drying furnace through the periodic cycle of the conveyor belt roller, thereby effectively improving the drying efficiency of the material. At the same time, the servo motor can be connected with the thread of the ball slide through the bidirectional screw rod, and then the spacing between the two groups of fixed seats can be synchronously adjusted, which effectively improves the adaptability of the equipment to drying different materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a disassembled diagram of the main body of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the main body of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the regulating device of the utility model;

[0020] Figure 4 This is a disassembled diagram of the material guiding device of the present utility model.

[0021] In the figure: 1-drying furnace body, 2-adjusting device, 3-material guiding device, 4-supporting leg, 5-material guiding chute, 6-sealing card plate, 7-guide slide shaft, 21-servo motor, 22-bidirectional screw rod, 23-limiting card seat, 24-sealing card seat, 31-linear bearing, 32-stepping motor, 33-fixed card seat, 34-ball slide seat, 35-conveyor belt roller, 36-conveyor steel belt. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides an embodiment: a cycle-controlled tunnel drying furnace, comprising a drying furnace body 1, the four corners of the lower end surface of the drying furnace body 1 are provided with support legs 4, and the side end surface of the drying furnace body 1 is symmetrically provided with guide sliding shafts 7,

[0024] The adjusting device 2 is fixedly arranged on the side end surface of the drying furnace body 1 away from the guide sliding shaft 7;

[0025] The material guiding device 3 is provided with two groups, and the two groups of material guiding devices 3 are connected to the inside of the drying furnace body 1 by the adjusting device 2 through the threaded sliding connection;

[0026] The sealing card plate 6 is fixedly arranged on the side end surface of the drying furnace body 1 near the guide slide shaft 7, and two groups of material guide chutes 5 are opened on the inner end surface of the sealing card plate 6.

[0027] The adjusting device 2 includes a sealing seat 24 for support, a limit seat 23 is fixedly installed at the center of the side end surface of the sealing seat 24, a servo motor 21 is fixedly arranged on the upper end surface of the limit seat 23, and a bidirectional screw rod 22 is fixedly arranged at the output end of the servo motor 21.

[0028] The material guiding device 3 includes a fixed card seat 33, a ball slide seat 34 is fixedly arranged at the center of the side end surface of the fixed card seat 33, and a conveyor belt roller 35 is symmetrically rotatably clamped on the inner end surface of the fixed card seat 33, and a conveyor steel belt 36 is meshingly connected between the two groups of conveyor belt rollers 35. A stepper motor 32 is arranged at the front end surface of the fixed card seat 33 opposite to the conveyor belt roller 35, and linear bearings 31 are arranged at the front and rear of the fixed card seat 33.

[0029] The ball slide 34 is adapted to the bidirectional screw rod 22, and the fixed base 33 is adapted to the bidirectional screw rod 22 through the ball slide 34 and then threadedly connected to the inside of the limit base 23. The threaded connection between the ball slide 34 and the bidirectional screw rod 22 can effectively improve the accuracy and stability of the subsequent threaded lifting and lowering of the material guiding device 3 in the adjusting device 2.

[0030] The fixed clamping seat 33 and the linear bearing 31 are then slidably clamped on the outer end surface of the guide sliding shaft 7. The two groups of guide sliding shafts 7 can provide sufficient axial limiting basis for the upper and lower groups of material guiding devices 3 when regulating.

[0031] The structure of the sealing card plate 6 is the same as that of the sealing card seat 24, and the sealing card plate 6 and the sealing card seat 24 are not in contact with the material guiding device 3. The sealing card plate 6 and the material guiding groove 5 inside the sealing card seat 24 can provide sufficient lifting and displacement space for the material guiding device 3, which is convenient for loading and adjusting the spacing.

[0032] Working principle: When in use, the user can first adjust the distance between the two groups of material guide devices 3 according to the size of the material to be dried. When making adjustments, first start the servo motor 21. At this time, the servo motor 21 can drive the bidirectional screw rod 22 at the bottom to rotate. At the same time, the bidirectional screw rod 22 can be threadedly connected with the two groups of ball slides 34, thereby driving the two groups of fixed seats 33 to synchronously move centripetally or centrifugally, thereby quickly and accurately adjusting the material guide spacing between the two groups of material guide devices 3. When drying, the user can guide external materials into the upper part of the conveyor steel belt 36, and then start the stepper motor 32. The stepper motor 32 can cyclically drive the conveyor belt rollers 35 to rotate, so that the two groups of conveyor belt rollers 35 can cyclically drive the materials to be repeatedly dried, effectively improving the efficiency of material drying.

[0033] 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 cycle-controlled tunnel drying furnace, comprising a drying furnace body (1), wherein the four corners of the lower end surface of the drying furnace body (1) are provided with support legs (4), and the side end surface of the drying furnace body (1) is symmetrically provided with guide sliding shafts (7), characterized in that: An adjusting device (2), the adjusting device (2) being fixedly arranged on a side end surface of the drying furnace body (1) away from the guide sliding shaft (7); A material guiding device (3), wherein two sets of the material guiding device (3) are provided, and the two sets of the material guiding device (3) are threadedly slidably connected to the interior of the drying furnace body (1) via the adjusting device (2); A sealing card plate (6) is fixedly arranged on the side end surface of the drying furnace body (1) near the guide slide shaft (7), and two groups of material guide grooves (5) are opened on the inner end surface of the sealing card plate (6).

2. A cycle-controlled tunnel drying furnace according to claim 1, characterized in that: The regulating device (2) comprises a sealing card seat (24) for support, a limit card seat (23) is fixedly installed at the center of the side end surface of the sealing card seat (24), a servo motor (21) is fixedly arranged at the upper end surface of the limit card seat (23), and a bidirectional screw rod (22) is fixedly arranged at the output end of the servo motor (21).

3. A cycle-controlled tunnel drying furnace according to claim 2, characterized in that: The material guiding device (3) comprises a fixed card seat (33), a ball bearing slide seat (34) is fixedly arranged at the center of the side end face of the fixed card seat (33), and a conveyor belt roller (35) is symmetrically rotatably clamped on the inner end face of the fixed card seat (33), and a conveyor steel belt (36) is meshingly connected between two groups of the conveyor belt rollers (35). A stepper motor (32) is arranged at the front end face of the fixed card seat (33) facing the conveyor belt rollers (35), and linear bearings (31) are arranged at the front and rear parts of the fixed card seat (33).

4. The cycle-controlled tunnel drying furnace according to claim 3, characterized in that: The ball bearing slide (34) is matched with the bidirectional screw rod (22), and the fixed clamping seat (33) is matched with the bidirectional screw rod (22) through the ball bearing slide (34) and then threadedly connected to the interior of the limiting clamping seat (23).

5. The cycle-controlled tunnel drying furnace according to claim 3, characterized in that: The fixed clamping seat (33) and the linear bearing (31) are further slidably clamped on the outer end surface of the guide sliding shaft (7).

6. The cycle-controlled tunnel drying furnace according to claim 3, characterized in that: The structure of the sealing card plate (6) is the same as that of the sealing card seat (24), and both the sealing card plate (6) and the sealing card seat (24) are not in contact with the material guiding device (3).

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