Double-screw extrusion drying machine

Abstract

The utility model discloses a twin-screw extrusion dryer, which belongs to the technical field of dryers and comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a heating plate, a protective shell and a control device respectively, the upper surface of the control device is fixedly connected with a driving motor, and the upper surface of the heating plate is fixedly connected with a shell. The back face of the shell is fixedly connected with a discharging port, two baffles are arranged above the shell, the outer surface of one baffle is fixedly connected with the inner wall of the shell, and the outer surface of the other baffle is fixedly connected with an exhaust fan. According to the double-screw extrusion drying machine, through mutual cooperation of the screw rod, the driving motor, the first toothed belt, the second toothed belt and the gear, solid materials can be turned over during drying treatment, the purpose of uniform internal heating and drying is achieved, and the phenomena that moisture is generated due to the fact that the temperature in the drying machine is high, and dead corners exist during material drying are avoided; therefore, the problems of insufficient drying of solid materials, poor drying quality and low efficiency are solved.

Description

Technical Field

[0001] The present application belongs to the technical field of dryers, and in particular relates to a twin-screw extrusion dryer. Background Art

[0002] A dryer is a mechanical device that uses heat energy to reduce the moisture content of materials. It is used to dry objects. The dryer vaporizes the moisture in the material by heating to obtain solid materials with a specified moisture content. The purpose of drying is to meet the needs of material use or further processing.

[0003] The current dryers do not tumble the solid materials during drying, which easily results in dead corners of drying, leading to uneven heating of the materials and poor drying effects. In addition, due to the lack of ventilation, a large amount of moisture is generated during drying and cannot be discharged, resulting in poor drying quality of the solid materials.

[0004] Therefore, we propose a twin-screw extruder dryer to solve the above problems. Utility Model Content

[0005] The purpose of the present application is to solve the problem in the prior art that when solid materials are dried, there are drying dead corners and poor ventilation, resulting in poor material drying effect and poor drying quality, and to propose a twin-screw extrusion dryer.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A twin-screw extrusion dryer comprises a bottom plate, the upper surface of which is respectively fixedly connected with a heating plate, a protective shell and a control device, the upper surface of which is fixedly connected with a driving motor, the upper surface of which is fixedly connected with a shell, the back of which is fixedly connected with a discharge port, two baffles are arranged above the shell, the outer surface of one of which is fixedly connected with the inner wall of the shell, the outer surface of the other baffle is fixedly connected with an exhaust fan, the outer surfaces of the two baffles are commonly fixedly connected with an exhaust pipe, the upper surface of the shell is fixedly connected with a valve, the top end of the valve is fixedly connected with a storage pipe, the top end of the storage pipe is fixedly connected with a feeding funnel, and the storage pipe The outer surface of the gear and the outer surface of the valve are fixedly connected with two groups of bolts, the interior of the protective shell is respectively provided with a first toothed belt and a second toothed belt, the inner wall of the first toothed belt and the inner wall of the second toothed belt are meshed with two gears, the outer surface of the output end of the drive motor is fixedly connected to the inner wall of one of the gears, and the inner wall of one group of the gears is fixedly connected with a rotating column, and two spiral rods are arranged inside the shell, the outer surface of each of the spiral rods close to the second toothed belt is fixedly connected to the inner walls of two of the gears, and one end of the spiral rods close to the first toothed belt is fixedly connected to the end of the rotating column away from the first toothed belt, and the control device is electrically connected to the drive motor and the exhaust fan respectively through wires.

[0008] Preferably, two groups of limit blocks are fixedly connected to the outer surface of the protective shell, and the bottom surface of each group of limit blocks is fixedly connected to the upper surface of the bottom plate.

[0009] Preferably, a protection box is fixedly connected to the outer surface of the driving motor, and the bottom surface of the protection box is fixedly connected to the upper surface of the control device.

[0010] Preferably, a reinforcement frame is fixedly connected to the outer surface of the outer shell, and the front side of the reinforcement frame is fixedly connected to the back side of the protective shell.

[0011] Preferably, a support frame is fixedly connected to the outer surface of the feed funnel, and the bottom end of the support frame is fixedly connected to the upper surface of the outer shell.

[0012] Preferably, the outer surface of each spiral rod is fixedly connected to a fixing ring, and one end of each fixing ring close to the first toothed belt is in contact with the outer surface of the second toothed belt.

[0013] In summary, the technical effects and advantages of this application are:

[0014] By providing a spiral rod, a driving motor, a first toothed belt, a second toothed belt and a gear that cooperate with each other, the solid material can be turned over during the drying process, so as to achieve the purpose of uniform internal heating and drying, thereby enhancing the practicability of the device. By controlling the device, it can be more convenient for the staff to operate, thereby enhancing the use effect of the device. By providing a baffle, an exhaust pipe and an exhaust fan that cooperate with each other, the moisture generated when the solid material is heated and dried can be discharged, thereby enhancing the drying effect. Further drying of the solid material can effectively avoid the high temperature inside the dryer to generate moisture, and the existence of dead corners when the material is dried, which leads to insufficient drying of the solid material, poor drying quality and low efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the twin-screw extrusion dryer of the utility model;

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the feeding funnel of the utility model;

[0017] Figure 3 It is a three-dimensional structural diagram of the driving motor of the utility model;

[0018] Figure 4 It is a three-dimensional structural schematic diagram of the spiral rod of the utility model;

[0019] Figure 5 It is a three-dimensional structural schematic diagram of the exhaust fan of the utility model.

[0020] In the figure: 1. bottom plate; 2. heating plate; 3. limit block; 4. control device; 5. protection box; 6. protection shell; 7. support frame; 8. feed hopper; 9. exhaust duct; 10. discharge port; 11. outer shell; 12. reinforcement frame; 13. storage pipe; 14. bolt; 15. valve; 16. baffle; 17. screw rod; 18. first toothed belt; 19. drive motor; 20. second toothed belt; 21. gear; 22. rotating column; 23. fixing ring; 24. exhaust fan. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-5A twin-screw extrusion dryer comprises a bottom plate 1, the upper surface of the bottom plate 1 is respectively fixedly connected with a heating plate 2, a protective shell 6 and a control device 4, the upper surface of the control device 4 is fixedly connected with a driving motor 19, the upper surface of the heating plate 2 is fixedly connected with a shell 11, the back of the shell 11 is fixedly connected with a discharge port 10, the outer surface of the protective shell 6 is fixedly connected with two groups of limit blocks 3, the bottom surface of each group of limit blocks 3 is fixedly connected to the upper surface of the bottom plate 1, and the position of the protective shell 6 can be limited by the limit blocks 3 to prevent it from shifting.

[0023] Two baffles 16 are arranged above the outer shell 11, wherein the outer surface of one baffle 16 is fixedly connected to the inner wall of the outer shell 11, and the outer surface of the other baffle 16 is fixedly connected to the exhaust fan 24, and the outer surfaces of the two baffles 16 are commonly fixedly connected to the exhaust duct 9, and the outer surface of the drive motor 19 is fixedly connected to the protection box 5, and the bottom surface of the protection box 5 is fixedly connected to the upper surface of the control device 4. The drive motor 19 can be protected by the protection box 5, which has a good protection effect.

[0024] The upper surface of the outer shell 11 is fixedly connected to a valve 15, the top of the valve 15 is fixedly connected to a material storage pipe 13, the top of the material storage pipe 13 is fixedly connected to a feeding funnel 8, the outer surface of the material storage pipe 13 and the outer surface of the valve 15 are fixedly connected by two sets of bolts 14, the interior of the protective shell 6 is respectively provided with a first toothed belt 18 and a second toothed belt 20, the outer surface of the outer shell 11 is fixedly connected to a reinforcement frame 12, the front side of the reinforcement frame 12 is fixedly connected to the back side of the protective shell 6, and the outer shell 11 can be reinforced by the reinforcement frame 12 to avoid the problem of displacement and instability during use.

[0025] The inner wall of the first toothed belt 18 and the inner wall of the second toothed belt 20 are meshed with two gears 21, the outer surface of the output end of the driving motor 19 is fixedly connected to the inner wall of one of the gears 21, and the inner wall of one group of gears 21 is fixedly connected with a rotating column 22. Two spiral rods 17 are arranged inside the outer shell 11, and the outer surface of the feed funnel 8 is fixedly connected with a support frame 7, and the bottom end of the support frame 7 is fixedly connected to the upper surface of the outer shell 11. The feed funnel 8 can be reinforced by the support frame 7 to enhance the stability of the device.

[0026] The outer surface of each screw rod 17 near the second toothed belt 20 is fixedly connected to the inner walls of two gears 21, and the end of one of the screw rods 17 near the first toothed belt 18 is fixedly connected to the end of the rotating column 22 away from the first toothed belt 18. The control device 4 is electrically connected to the drive motor 19 and the exhaust fan 24 through wires, and the outer surface of each screw rod 17 is fixedly connected to a fixing ring 23, and the end of each fixing ring 23 near the first toothed belt 18 is in contact with the outer surface of the second toothed belt 20. The fixing ring 23 can be used to reinforce the screw rod 17 to enhance the applicability of the device.

[0027] The working principle of the utility model is as follows: when in use, firstly, the solid material is poured into the feed hopper 8, and the output end of the driving motor 19 is rotated by the control device 4, so that the gear 21 can be rotated, thereby the two screw rods 17 can be rotated, thereby enhancing the practicality of the device, the inside of the shell 11 is heated by the heating plate 2, and then the valve 15 is opened, so that the solid material in the storage tube 13 will enter the shell 11 for drying treatment, and the two screw rods 17 are rotated to turn the solid material in the shell 11, thereby effectively enhancing the practical effect of the device, and a large amount of moisture is generated when the solid material in the shell 11 is dried, and the exhaust fan 24 is rotated by the control device 4, so that the moisture in the shell 11 can be discharged through the exhaust pipe 9, thereby enhancing the applicability of the device, and effectively avoiding the existence of drying dead corners and the generation of a large amount of moisture when the dryer is in use, resulting in insufficient drying of the solid material, poor drying quality, and low efficiency.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A twin-screw extrusion dryer, comprising a bottom plate (1), characterized in that: The upper surface of the bottom plate (1) is respectively fixedly connected to a heating plate (2), a protective shell (6) and a control device (4); the upper surface of the control device (4) is fixedly connected to a driving motor (19); the upper surface of the heating plate (2) is fixedly connected to a housing (11); the back of the housing (11) is fixedly connected to a discharge port (10); two baffles (16) are arranged above the housing (11); the outer surface of one of the baffles (16) is fixedly connected to the inner wall of the housing (11); the outer surface of the other baffle (16) is fixedly connected to an exhaust fan (24); the outer surfaces of the two baffles (16) are commonly fixedly connected to an exhaust pipe (9); the upper surface of the housing (11) is fixedly connected to a valve (15); the top end of the valve (15) is fixedly connected to a material storage pipe (13); the top end of the material storage pipe (13) is fixedly connected to a feeding funnel (8); the outer surface of the material storage pipe (13) and the valve (15) are fixedly connected to each other. The outer surface of the protective shell (6) is fixedly connected with two groups of bolts (14), the interior of the protective shell (6) is respectively provided with a first toothed belt (18) and a second toothed belt (20), the inner wall of the first toothed belt (18) and the inner wall of the second toothed belt (20) are meshed with two gears (21), the outer surface of the output end of the driving motor (19) is fixedly connected with the inner wall of one of the gears (21), and the inner wall of one group of the gears (21) is fixedly connected with a rotating column (22), the interior of the housing (11) is provided with two screw rods (17), the outer surface of each of the screw rods (17) close to one end of the second toothed belt (20) is fixedly connected with the inner walls of two of the gears (21), one end of one of the screw rods (17) close to the first toothed belt (18) is fixedly connected with one end of the rotating column (22) away from the first toothed belt (18), and the control device (4) is electrically connected to the driving motor (19) and the exhaust fan (24) through wires.

2. A twin-screw extrusion dryer according to claim 1, characterized in that: Two groups of limit blocks (3) are fixedly connected to the outer surface of the protective shell (6), and the bottom surface of each group of limit blocks (3) is fixedly connected to the upper surface of the bottom plate (1).

3. A twin-screw extrusion dryer according to claim 1, characterized in that: The outer surface of the driving motor (19) is fixedly connected to a protection box (5), and the bottom surface of the protection box (5) is fixedly connected to the upper surface of the control device (4).

4. A twin-screw extrusion dryer according to claim 1, characterized in that: A reinforcement frame (12) is fixedly connected to the outer surface of the outer shell (11), and the front side of the reinforcement frame (12) is fixedly connected to the back side of the protective shell (6).

5. A twin-screw extrusion dryer according to claim 1, characterized in that: The outer surface of the feed hopper (8) is fixedly connected to a support frame (7), and the bottom end of the support frame (7) is fixedly connected to the upper surface of the outer shell (11).

6. A twin-screw extrusion dryer according to claim 1, characterized in that: The outer surface of each spiral rod (17) is fixedly connected to a fixing ring (23), and one end of each fixing ring (23) close to the first toothed belt (18) is in contact with the outer surface of the second toothed belt (20).

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