Blowing-type drying oven

Abstract

The utility model belongs to the technical field of drying oven equipment, and particularly relates to a blowing-type drying oven which comprises a drying oven body, a conveying hopper is fixedly connected to the upper surface of the drying oven body, a sliding groove is formed in one side of the conveying hopper, a cover plate is connected into the sliding groove in a sliding mode, and a plurality of vent holes are formed in the upper surface of the cover plate. Through the arrangement of a first auger, a second auger, a second chain wheel, a chain and the like, a second conical tooth drives the first auger to rotate, materials at the bottom move in the direction of a first conveying pipe through the first auger, the second chain wheel drives the second auger to rotate, and the materials at the bottom move in the direction of a second conveying pipe; the second auger conveys materials at the bottom of the first conveying pipe upwards, and when the materials are conveyed to the top of the first conveying pipe, the materials fall onto the concave plate and then slide to the position above the materials through the concave plate, so that the materials can be circularly dried in the drying box, and the situation that hot air cannot blow the interiors of the stacked materials, and the drying quality is affected is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of oven equipment, in particular to a forced-air oven. Background Technique

[0002] The electrothermal forced-air drying oven blows hot air through a circulation fan to ensure the temperature balance inside the oven and has an accurate temperature control system. It is a commonly used instrument and equipment, widely used in industries such as electromechanics, chemical engineering, plastics, and light industry.

[0003] However, in existing equipment, most forced-air ovens can only dry the surface of solid particles piled together and cannot transport hot air into the interior of the piled solid particles, which affects the drying quality of the solid particles. For this reason, a forced-air oven is proposed. Content of the Utility Model

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art and to propose a forced-air oven.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a forced-air oven, including a drying box, the upper surface of the drying box is fixedly connected with a feeding hopper, one side of the feeding hopper is provided with a sliding groove, a cover plate is slidably connected in the sliding groove, and a plurality of ventilation holes are opened on the upper surface of the cover plate. The upper surface of the drying box is fixedly connected with an L-shaped fixing plate, and a conveying structure is arranged on the L-shaped fixing plate. One side of the drying box is fixedly connected with a fixing block, one side of the interior of the drying box is fixedly connected with a first conveying pipe, the bottom of the drying box is fixedly connected with a second conveying pipe, the upper surface of the second conveying pipe is communicated with the bottom of the drying box, and one side of the second conveying pipe is fixedly connected with a discharge pipe. The opposite sides inside the drying box are jointly fixedly connected with a concave plate, and one side of the concave plate is fixedly connected with the outer side wall of the first conveying pipe. A rotating assembly is arranged on the drying box.

[0006] As a further description of the above technical scheme:

[0007] A plurality of air intake holes are opened on the upper surface of the drying box, a fixing box is fixedly connected to the upper surface of the drying box, a plurality of filtering holes are opened on the upper surface of the fixing box, an electric fan is fixedly connected to the inside of the fixing box, and a drying lamp is fixedly connected to the inner top of the drying box.

[0008] As a further description of the above technical scheme:

[0009] The conveying structure includes a servo motor fixedly connected to the upper surface of the L-shaped fixing plate. A first sprocket is fixedly connected to the output shaft of the servo motor. A rotating rod is fixedly connected to the bottom of the first sprocket. One end of the rotating rod penetrates and is rotatably connected to the upper surface of the fixed block and is fixedly connected to a first bevel gear.

[0010] As a further description of the above technical solution:

[0011] A first auger is rotatably connected to the opposite sides inside the second conveying pipe. One end of the first auger penetrates and is fixedly connected to the inner side of the second conveying pipe and is fixedly connected to a second bevel gear. The second bevel gear is meshed with the first bevel gear.

[0012] As a further description of the above technical solution:

[0013] A second auger is rotatably connected to penetrate the inner top of the drying box. The outer side of the second auger is in contact with the inner side of the first conveying pipe. A second sprocket is fixedly connected to the upper surface of the second auger. A chain is movably sleeved on the second sprocket and the first sprocket together.

[0014] As a further description of the above technical solution:

[0015] The rotating assembly includes a rotating column rotatably connected to the opposite sides inside the drying box. A rotating motor is fixedly connected to one side of the drying box. The output shaft of the rotating motor is fixedly connected to one end of the rotating column. A plurality of rubber rods are fixedly connected to the outer side wall of the rotating column.

[0016] The utility model has the following beneficial effects:

[0017] 1. Compared with the prior art, for this blast-type oven, by setting a servo motor, a first sprocket, a rotating rod, a first bevel gear, a second bevel gear, a first auger, a second auger, a second sprocket and a chain, etc., the servo motor drives the rotating rod to rotate through the first sprocket, the rotating rod drives the second bevel gear to rotate through the first bevel gear, the second bevel gear drives the first auger to rotate, and the materials at the bottom move towards the first conveying pipe through the first auger. When the first sprocket rotates, the second sprocket is driven to rotate through the chain, and the second sprocket drives the second auger to rotate. The second auger conveys the materials at the bottom of the first conveying pipe upwards. When the materials are conveyed to the top of the first conveying pipe, they fall onto the concave plate and then slide through the concave plate to the upper part of the materials, enabling the materials to be circulated and dried in the drying box, avoiding the hot air not reaching the inside of the piled-up materials and affecting the drying quality.

[0018] 2. Compared with the prior art, for the blast drying oven, by setting a rotating motor, a rotating column, rubber rods, etc., the rotating motor drives the rotating column to rotate, the rotating column drives multiple rubber rods to rotate, and the multiple rubber rods strike the bottom of the concave plate, causing the concave plate to vibrate, avoiding the accumulation of materials on the concave plate and being unable to disperse, resulting in the hot air being unable to uniformly dry the materials and reducing the drying quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 FIG. 6 is a three-dimensional structural schematic diagram of a blast drying oven proposed by the present utility model;

[0020] Figure 2 FIG. 10 is a plan view of a blast drying oven proposed by the present utility model;

[0021] Figure 3 FIG. 14 is a sectional view of a blast drying oven proposed by the present utility model;

[0022] Figure 4 FIG. 18 is a schematic diagram of a conveying structure and a first conveying pipe of a blast drying oven proposed by the present utility model;

[0023] Figure 5 FIG. 22 is an exploded view of a conveying structure and a first conveying pipe of a blast drying oven proposed by the present utility model;

[0024] Figure 6 FIG. 26 is a schematic diagram of a rotating assembly of a blast drying oven proposed by the present utility model.

[0025] LEGEND DESCRIPTION:

[0026] 1. Drying box; 2. Feeding hopper; 3. Cover plate; 4. L-shaped fixing plate; 5. Fixed block; 6. Conveying structure; 601. Servo motor; 602. First sprocket; 603. Rotating rod; 604. First bevel gear; 605. Second bevel gear; 606. First auger; 607. Second auger; 608. Second sprocket; 609. Chain; 7. First conveying pipe; 8. Discharge pipe; 9. Concave plate; 10. Rotating assembly; 101. Rotating motor; 102. Rotating column; 103. Rubber rod; 11. Fixed box; 12. Electric fan; 13. Drying lamp; 14. Second conveying pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0028] Refer toFigures 1 to 6 A blast-type oven provided by the utility model includes a drying box 1. A plurality of air delivery holes are formed in the upper surface of the drying box 1, and air is delivered into the drying box 1 through the air delivery holes. A fixed box 11 is fixedly connected to the upper surface of the drying box 1. A plurality of filtering holes are formed in the upper surface of the fixed box 11, and the filtering holes can filter external air to prevent external impurities from entering the interior of the drying box 1. An electric blower 12 is fixedly connected to the inside of the fixed box 11. A drying lamp 13 is fixedly connected to the inner top of the drying box 1. A feeding hopper 2 is fixedly connected to the upper surface of the drying box 1. A sliding groove is formed on one side of the feeding hopper 2, and a cover plate 3 is slidably connected in the sliding groove. A plurality of ventilation holes are formed in the upper surface of the cover plate 3, and water vapor inside the drying box 1 is discharged through the ventilation holes. An L-shaped fixing plate 4 is fixedly connected to the upper surface of the drying box 1, and a conveying structure 6 is arranged on the L-shaped fixing plate 4. A fixing block 5 is fixedly connected to one side of the drying box 1. A first conveying pipe 7 is fixedly connected to one side inside the drying box 1. A second conveying pipe 14 is fixedly connected to the bottom of the drying box 1, and the upper surface of the second conveying pipe 14 communicates with the bottom of the drying box 1. A discharge pipe 8 is fixedly connected to one side of the second conveying pipe 14. Opposite sides inside the drying box 1 are fixedly connected with a concave plate 9 together, and one side of the concave plate 9 is fixedly connected to the outer side wall of the first conveying pipe 7. A rotating assembly 10 is arranged on the drying box 1;

[0029] Refer to Figure 3 、 Figure 4 and Figure 5, in order to achieve the purpose of conveying materials, the conveying structure 6 includes a servo motor 601 fixedly connected to the upper surface of the L-shaped fixing plate 4. A first sprocket 602 is fixedly connected to the output shaft of the servo motor 601. A rotating rod 603 is fixedly connected to the bottom of the first sprocket 602. One end of the rotating rod 603 penetrates and is rotatably connected to the upper surface of the fixed block 5 and is fixedly connected to a first bevel gear 604. A first auger 606 is rotatably connected to the opposite sides inside the second conveying pipe 14. One end of the first auger 606 penetrates the inner side of the second conveying pipe 14 and is fixedly connected to a second bevel gear 605. The second bevel gear 605 is meshed with the first bevel gear 604. A second auger 607 is rotatably connected to the inner top of the drying box 1. The outer side of the second auger 607 is in contact with the inner side of the first conveying pipe 7. A second sprocket 608 is fixedly connected to the upper surface of the second auger 607. A chain 609 is movably sleeved on the second sprocket 608 and the first sprocket 602. The servo motor 601 drives the rotating rod 603 to rotate through the first sprocket 602. The rotating rod 603 drives the second bevel gear 605 to rotate through the first bevel gear 604. The second bevel gear 605 drives the first auger 606 to rotate. The materials at the bottom move towards the first conveying pipe 7 through the first auger 606. When the first sprocket 602 rotates, it drives the second sprocket 608 to rotate through the chain 609. The second sprocket 608 drives the second auger 607 to rotate. The second auger 607 conveys the materials at the bottom of the first conveying pipe 7 upwards. When the materials are conveyed to the top of the first conveying pipe 7, they fall onto the concave plate 9 and then slide onto the upper part of the materials through the concave plate 9, enabling the materials to be circulated and dried in the drying box 1, avoiding the hot air not reaching the inside of the piled-up materials, which affects the drying quality;

[0030] Referring to Figure 3 and Figure 6 , in order to achieve the purpose of vibrating the concave plate 9, the rotating assembly 10 includes a rotating column 102 rotatably connected to the opposite sides inside the drying box 1. A rotating motor 101 is fixedly connected to one side of the drying box 1. The output shaft of the rotating motor 101 is fixedly connected to one end of the rotating column 102. A plurality of rubber rods 103 are fixedly connected to the outer side wall of the rotating column 102. The rotating motor 101 drives the rotating column 102 to rotate. The rotating column 102 drives the plurality of rubber rods 103 to rotate. The plurality of rubber rods 103 strike the bottom of the concave plate 9, causing the concave plate 9 to vibrate, avoiding the materials from piling up on the concave plate 9 and not dispersing, resulting in the hot air being unable to dry the materials evenly and reducing the drying quality.

[0031] Working principle: Granular materials are conveyed into the drying box 1 through the feeding hopper 2. Then, the electric fan 12 blows air into the drying box 1 through the air delivery holes. With the cooperation of the drying lamp 13, hot air drying is carried out on the materials. The materials at the bottom fall into the second conveying pipe 14. Then, the servo motor 601 drives the rotating rod 603 to rotate through the first sprocket 602. The rotating rod 603 drives the second bevel gear 605 to rotate through the first bevel gear 604. The second bevel gear 605 drives the first auger 606 to rotate. The materials at the bottom move towards the first conveying pipe 7 through the first auger 606. When the first sprocket 602 rotates, it drives the second sprocket 608 to rotate through the chain 609. The second sprocket 608 drives the second auger 607 to rotate. The second auger 607 conveys the materials at the bottom of the first conveying pipe 7 upwards. When the materials are conveyed to the top of the first conveying pipe 7, they fall onto the concave plate 9 and then slide onto the upper part of the materials through the concave plate 9, enabling the materials to be circulated and dried in the drying box 1, avoiding the situation that the hot air cannot reach the inside of the piled-up materials and affecting the drying quality. Then, the rotating motor 101 drives the rotating column 102 to rotate. The rotating column 102 drives multiple rubber rods 103 to rotate. The multiple rubber rods 103 strike the bottom of the concave plate 9, causing the concave plate 9 to vibrate, avoiding the materials from piling up on the concave plate 9 and not spreading out, resulting in the hot air being unable to dry the materials evenly and reducing the drying quality.

[0032] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A forced-air oven, comprising a drying box (1), characterized in that: The upper surface of the drying box (1) is fixedly connected with a feeding hopper (2). One side of the feeding hopper (2) is provided with a sliding groove, and a cover plate (3) is slidably connected in the sliding groove. The upper surface of the cover plate (3) is provided with a plurality of ventilation holes. The upper surface of the drying box (1) is fixedly connected with an L-shaped fixing plate (4). A conveying structure (6) is arranged on the L-shaped fixing plate (4). One side of the drying box (1) is fixedly connected with a fixing block (5). One side of the interior of the drying box (1) is fixedly connected with a first conveying pipe (7). The bottom of the drying box (1) is fixedly connected with a second conveying pipe (14). The upper surface of the second conveying pipe (14) is communicated with the bottom of the drying box (1). One side of the second conveying pipe (14) is fixedly connected with a discharge pipe (8). The relatively two sides inside the drying box (1) are jointly fixedly connected with a concave plate (9). One side of the concave plate (9) is fixedly connected with the outer side wall of the first conveying pipe (7). A rotating assembly (10) is arranged on the drying box (1).

2. The blast drying oven according to claim 1, characterized in that: The upper surface of the drying box (1) is provided with a plurality of air outlet holes. The upper surface of the drying box (1) is fixedly connected with a fixing box (11). The upper surface of the fixing box (11) is provided with a plurality of filtering holes. An electric fan (12) is fixedly connected inside the fixing box (11). A drying lamp (13) is fixedly connected to the inner top of the drying box (1).

3. The blast drying oven according to claim 1, characterized in that: The conveying structure (6) includes a servo motor (601) fixedly connected to the upper surface of the L-shaped fixing plate (4). A first sprocket (602) is fixedly connected to the output shaft of the servo motor (601). A rotating rod (603) is fixedly connected to the bottom of the first sprocket (602). One end of the rotating rod (603) penetrates through and is rotatably connected to the upper surface of the fixing block (5) and is fixedly connected with a first conical tooth (604).

4. The blast drying oven according to claim 3, characterized in that: Relatively two sides inside the second conveying pipe (14) are jointly rotatably connected with a first auger (606). One end of the first auger (606) penetrates through one side of the interior of the second conveying pipe (14) and is fixedly connected with a second conical tooth (605). The second conical tooth (605) is meshed with the first conical tooth (604).

5. The blast drying oven according to claim 3, characterized in that: A second auger (607) penetrates through and is rotatably connected to the inner top of the drying box (1). The outer side of the second auger (607) is in contact with one side of the interior of the first conveying pipe (7). A second sprocket (608) is fixedly connected to the upper surface of the second auger (607). A chain (609) is jointly sleeved on the second sprocket (608) and the first sprocket (602).

6. The blast drying oven according to claim 1, wherein: The rotating assembly (10) includes a rotating column (102) rotatably connected to the relatively two sides inside the drying box (1). A rotating motor (101) is fixedly connected to one side of the drying box (1). The output shaft of the rotating motor (101) is fixedly connected to one end of the rotating column (102). A plurality of rubber rods (103) are fixedly connected to the outer side wall of the rotating column (102).

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