Rotary drum type drying device

Abstract

The utility model discloses a rotary drum type drying device which comprises a drying box, a gear motor is fixedly installed at the bottom of the inner side of the drying box, an output shaft of the gear motor is fixedly connected with a plurality of supporting rods through a prism shaft and a shaft sleeve, and the other ends of the supporting rods are jointly and fixedly connected with a conical drum. A bevel ring is fixedly connected to the lower portion of the outer side of the conical cylinder, a linkage disc is fixedly connected to the position, located below the supporting rod, of the outer side of the shaft sleeve, an inverted-T-shaped block is slidably connected to the interior of the linkage disc, and an electric push rod is fixedly installed at the position, located on the right side of the gear motor, of the bottom of the inner side of the drying box; a piston rod of the electric push rod is fixedly connected with the convex block, a box cover is detachably installed at the top of the drying box, an electric heating pipe is arranged at the bottom of the box cover, an exhaust hole is formed in the upper portion of the side wall of the drying box, and a discharging opening is formed in the lower portion of the side wall of the drying box. The drying device is high in drying efficiency and convenient to discharge.

Description

Technical Field

[0001] The utility model belongs to a drying device, in particular to a rotary drum drying device. Background Art

[0002] Polyformaldehyde, also known as acetal resin, polyoxymethylene, polyacetal, is a thermoplastic crystalline polymer, known as "super steel" or "sport steel". Like other plastics with excellent performance, most polyformaldehyde is produced in a granular state and then melt-molded. After polyformaldehyde is produced, it is necessary to use a drying device to dry the residual water vapor on its surface. For example, the invention patent application with application publication number CN107014187A proposes a rotary drum drying device, which divides the cylindrical drying mechanism into an inner drum component and an outer drum component, and uses the inner drum component to generate hot air, and then relies on the hot air to heat and dry the fabric. During the drying process, the fabric surrounds the outer drum component, and the outer drum component and the inner drum component are synchronously selected in reverse and staggered manner. The volume of hot air blown out from the inner drum component changes cyclically, and the fabric is agitated to form oscillations to facilitate the dissipation of water vapor. In the existing rotary drying device, materials are easily piled up, resulting in uneven drying, which prolongs the drying time. In addition, after the materials are put into the drying device for drying, the device needs to be opened to take the materials out, which is inconvenient. Therefore, it is necessary to improve it. Utility Model Content

[0003] The utility model aims to provide a rotary drum drying device to solve the problems of low drying efficiency and inconvenience in material feeding in the existing rotary drum drying device.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A rotary drying device comprises a drying box 1, a reduction motor 2 is fixedly installed on the inner bottom of the drying box 1, a prismatic shaft 3 is fixedly connected to the end of the output shaft of the reduction motor 2, a sleeve 4 is slidably sleeved on the outer side of the prismatic shaft 3, a plurality of support rods 5 are fixedly connected to the outer side of the sleeve 4, and a cone 6 is fixedly connected to the other end of the plurality of support rods 5, a bevel ring 7 is fixedly connected to the outer lower part of the cone 6, a linkage disk 18 is fixedly connected to the outer side of the sleeve 4 and located below the support rod 5, a convex block 8 is slidably connected to the inside of the linkage disk 18, an electric push rod 9 is fixedly installed on the inner bottom of the drying box 1 and located on the right side of the reduction motor 2, the piston rod of the electric push rod 9 is fixedly connected to the convex block 8, a box cover 11 is detachably installed on the top of the drying box 1, an electric heating pipe 12 is arranged at the bottom of the box cover 11, an exhaust hole 15 is opened on the upper part of the side wall of the drying box 1, and a feeding port 16 is opened on the lower part of the side wall of the drying box 1.

[0006] An annular groove is formed inside the linkage disk 18, and the convex block 8 is located in the annular groove.

[0007] A plurality of stirring rods 10 are fixedly connected to the outer side of the cone 6 .

[0008] The stirring rods 10 are divided into several layers, and each layer is distributed in a ring array.

[0009] The lengths of the stirring rods 10 of each layer are the same.

[0010] The inner wall of the drying box 1 is fixedly connected with a plurality of fixing blocks 13 , and the plurality of fixing blocks 13 are jointly fixedly connected with a net barrel 14 , the top of the net barrel 14 is in contact with the box cover 11 , and the bottom of the net barrel 14 is in contact with the bevel ring 7 .

[0011] A receiving tray 17 is fixedly connected to the outside of the drying box 1. The bottom surface of the receiving tray 17 is not higher than the bottom edge of the feed opening, and the receiving tray 17 is made of stainless steel.

[0012] The diameter of the bevel ring 7 is slightly smaller than the inner diameter of the drying box 1 .

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model arranges a cone cylinder driven by a reduction motor in a drying box, a stirring rod is arranged on the surface of the cone cylinder, and polyformaldehyde particles can be placed in the area between the cone cylinder and the inclined ring, the net barrel and the box cover. Under the heating of the electric heating tube, the polyformaldehyde particles can be stirred, heated and dried, so that they are evenly heated, thereby improving the drying efficiency.

[0015] 2. The utility model sets a feeding port on the side wall of the drying box, and then uses an electric push rod to control the lifting of the linkage disk, thereby controlling the lifting of the outer side of the square shaft of the sleeve on the reduction motor, and further controlling the lifting of the cone. In this way, after the polyformaldehyde particles are dried, the cone drops to a certain height, and the polyformaldehyde can be discharged from the feeding port under the guidance of the bevel ring, which is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural diagram of the utility model.

[0017] Figure 2 for Figure 1 A front view and a cross-sectional stereoscopic view of the local structure.

[0018] Figure 3 for Figure 1 Front cross-sectional view of .

[0019] Figure 4 This is a three-dimensional structural diagram of the linkage disk.

[0020] In the figure: 1. Drying box; 2. Speed ​​reduction motor; 3. Prismatic shaft; 4. Bushing; 5. Support rod; 6. Cone cylinder; 7. Bevel ring; 8. Embossed block; 9. Electric push rod; 10. Stirring rod; 11. Box cover; 12. Electric heating tube; 13. Fixed block; 14. Net bucket; 15. Exhaust hole; 16. Feeding port; 17. Receiving tray; 18. Linkage disk. DETAILED DESCRIPTION

[0021] 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.

[0022] like Figure 1 , Figure 2 , Figure 3 As shown, a rotary drying device comprises a drying box 1, a reduction motor 2 is fixedly installed at the inner bottom of the drying box 1, a prism shaft 3 is fixedly connected to the end of the output shaft of the reduction motor 2, a sleeve 4 is slidably sleeved on the outer side of the prism shaft 3, a plurality of support rods 5 are fixedly connected to the outer side of the sleeve 4, and a cone 6 is fixedly connected between the plurality of support rods 5, a plurality of stirring rods 10 are fixedly connected to the outer side of the cone 6, the stirring rods 10 are divided into several layers, each layer is distributed in a circular array, the length of the stirring rods 10 in each layer is the same, and the length of the stirring rods 10 in different layers can be different. By setting the stirring rod 10, the polyoxymethylene particles can be stirred.

[0023] like Figure 4 As shown, a bevel ring 7 is fixedly connected to the lower outer side of the cone 6, and the diameter of the bevel ring 7 is slightly smaller than the inner diameter of the drying box 1. A linkage disk 18 is fixedly connected to the outer side of the sleeve 4 and located below the support rod 5. A convex block 8 is slidably connected to the inside of the linkage disk 18. An annular groove is provided inside the linkage disk 18, and the convex block 8 is located in the annular groove. The relative rotation between the convex block 8 and the linkage disk 18 is facilitated by the setting of the annular groove. An electric push rod 9 is fixedly installed at the inner bottom of the drying box 1 and located on the right side of the reduction motor 2, and the piston rod of the electric push rod 9 is fixedly connected to the convex block 8.

[0024] A box cover 11 is detachably mounted on the top of the drying box 1, and an electric heating tube 12 is arranged at the bottom of the box cover 11. A plurality of fixing blocks 13 are fixedly connected to the inner wall of the drying box 1, and the plurality of fixing blocks 13 are fixedly connected to a net barrel 14 together, the top of the net barrel 14 is in contact with the box cover 11, and the bottom of the net barrel 14 is in contact with the bevel ring 7. The arrangement of the net barrel 14 can not only frame the polyformaldehyde particles, but also does not affect the discharge of moisture. An exhaust hole 15 is provided on the upper part of the side wall of the drying box 1, and a discharge port 16 is provided on the lower part of the side wall of the drying box 1. The arrangement of the exhaust hole 15 facilitates the discharge of water vapor during the drying of the polyformaldehyde particles. A receiving tray 17 is fixedly connected to the outer side of the drying box 1, and the bottom surface of the receiving tray 17 is not higher than the bottom edge of the discharge port 16, and the receiving tray 17 is made of stainless steel. The arrangement of the receiving tray 17 facilitates the receipt of the dried polyformaldehyde particles. Figure 3 As shown, the bottom edge of the discharge port 16 is set as an inclined surface, and the top of the inclined surface is higher than the bottom surface of the receiving tray 17, which can prevent the polyoxymethylene particles falling on the receiving tray from falling into the lower part of the drying box.

[0025] The specific implementation process of the utility model is as follows: when in use, first put the polyformaldehyde particles into the drying box 1, and the area between the bevel ring 7, the cone 6 and the net barrel 14, then cover the box cover 11, and the electric heating tube 12 on the box cover 11 is also inserted into the polyformaldehyde particles. Then, the electric heating tube 12 can be powered on to dry and heat the polyformaldehyde particles, and the water vapor can be discharged through the exhaust hole 15. At the same time, the reduction motor 2 drives the shaft sleeve 4 to rotate through the prismatic shaft 3, and the shaft sleeve 4 drives the cone 6 to rotate through the support rod 5. When the cone 6 rotates, it can drive The bevel ring 7 rotates, and the stirring rod 10 on the outside of the cone cylinder 6 can stir the polyformaldehyde to make it evenly heated, thereby improving the drying efficiency. After the drying is completed, the reduction motor 2 remains in the started state. At the same time, the electric push rod 9 pulls the linkage disk 18 downward through the convex block 8, and the linkage disk 18 drives the sleeve 4 to slide downward on the outside of the prism shaft 3, and then the cone cylinder 6 moves driven by the support rod 5. Subsequently, the bevel ring 7 on the cone cylinder 6 is misaligned with the discharge port 16, and the polyformaldehyde can be discharged from the discharge port 16 under the guidance of the bevel ring 7, which is more convenient.

[0026] Although the 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 rotary drum drying device, comprising a drying box (1), characterized in that: A reduction motor (2) is fixedly mounted on the bottom of the inner side of the drying box (1); the output shaft end of the reduction motor (2) is fixedly connected to a prismatic shaft (3); a shaft sleeve (4) is slidably sleeved on the outer side of the prismatic shaft (3); a plurality of support rods (5) are fixedly connected to the outer side of the shaft sleeve (4); the other ends of the plurality of support rods (5) are commonly fixedly connected to a cone cylinder (6); a bevel ring (7) is fixedly connected to the lower outer side of the cone cylinder (6); and a linkage disk (18) is fixedly connected to the outer side of the shaft sleeve (4) and below the support rods (5). The linkage disk (18) is internally slidably connected with a convex block (8); an electric push rod (9) is fixedly installed at the inner bottom of the drying box (1) and located on the right side of the reduction motor (2); the piston rod of the electric push rod (9) is fixedly connected to the convex block (8); a box cover (11) is detachably installed on the top of the drying box (1); an electric heating tube (12) is arranged at the bottom of the box cover (11); an exhaust hole (15) is provided at the upper part of the side wall of the drying box (1); and a material discharge port (16) is provided at the lower part of the side wall of the drying box (1).

2. A rotary drum drying device according to claim 1, characterized in that: An annular groove is provided inside the linkage disk (18), and the convex block (8) is located in the annular groove.

3. A rotary drum drying device according to claim 1, characterized in that: A plurality of stirring rods (10) are fixedly connected to the outer side of the cone (6).

4. A rotary drum drying device according to claim 3, characterized in that: The stirring rods (10) are divided into several layers, and each layer is distributed in a ring array.

5. A rotary drum drying device according to claim 4, characterized in that: The lengths of the stirring rods (10) of each layer are the same.

6. A rotary drum drying device according to claim 1, characterized in that: The inner wall of the drying box (1) is fixedly connected to a plurality of fixing blocks (13), and the plurality of fixing blocks (13) are jointly fixedly connected to a net barrel (14), the top of the net barrel (14) is in contact with the box cover (11), and the bottom of the net barrel (14) is in contact with the bevel ring (7).

7. A rotary drum drying device according to claim 1, characterized in that: A material receiving tray (17) is fixedly connected to the outside of the drying box (1), the bottom surface of the material receiving tray (17) is not higher than the bottom edge of the material discharge port, and the material receiving tray (17) is made of stainless steel.

8. A rotary drum drying device according to claim 1, characterized in that: The diameter of the bevel ring (7) is slightly smaller than the inner diameter of the drying box (1).

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