Roller structure of wood chip dryer

By using a fixed sleeve and a sliding sleeve structure, combined with a large scraper and a small scraper design, the problems of low efficiency and residual wood chips in existing wood chip dryers are solved, achieving efficient cleaning and continuous production.

CN224050866UActive Publication Date: 2026-03-27SHANDONG YUNFAN HEAVY IND GROUP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-27
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The existing drum structure of wood chip dryers results in low drying efficiency and easy wood chip residue, making it difficult to meet the needs of continuous industrial production.

Method used

The structure employs a fixed sleeve and a sliding sleeve, combined with a large scraper and a small scraper design, to ensure full contact between the wood chips and hot air, and to remove residual wood chips after drying by scraping.

Benefits of technology

It improves the efficiency of wood chip drying, ensures that the wood chips inside the drum are completely cleaned, avoids clogging, and meets the requirements of continuous industrial production.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224050866U_ABST
    Figure CN224050866U_ABST
Patent Text Reader

Abstract

The utility model discloses a roller structure of a wood chip dryer, and belongs to the technical field of dryers. The device comprises a base and an outer barrel rotationally installed on the base, a power assembly for controlling the outer barrel to rotate is installed on the base, a front support and a rear support are fixedly connected into the outer barrel, a sliding inner barrel is slidably connected into the front support, a large lifting plate is fixedly connected into the sliding inner barrel, a fixed inner barrel is fixedly connected into the rear support, and a large lifting plate is fixedly connected into the fixed inner barrel. A fixing rod is fixedly connected to one side of the sliding inner cylinder in a penetrating mode, a first connecting shaft is fixedly connected to the lower side of the fixing rod, a first baffle is fixedly connected to the lower side of the sliding inner cylinder, and a large scraper is rotationally connected to the lower portion of the first connecting shaft. According to the wood chip drying device, the outer cylinder is layered through the fixed sleeve and the sliding sleeve, wood chips can make full contact with hot air, more wood chips can be dried, and the overall working efficiency of the device is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a dryer technical field especially relates to a cylinder structure of sawdust dryer. BACKGROUND

[0002] In the sawdust resource utilization process, raw material drying is an important pretreatment link, and the moisture content needs to be controlled within the process requirement range before subsequent processing, the traditional natural drying method evaporates water by means of solar energy through open-air airing, which has the advantages of simple equipment and low cost, but is subject to weather conditions, site scale and other factors, has the defects of significantly prolonged drying period, low single processing capacity and obvious quality fluctuation, and is difficult to meet the needs of industrialized continuous production, so people use the dryer to dry sawdust, which has small occupied area and short drying time compared with natural drying;

[0003] However, the existing sawdust dryer mostly adopts a single cylinder structure, and the sawdust to be dried is directly poured into the cylinder, the weight of the poured sawdust needs to be strictly controlled in order to provide drying effect and make the sawdust fully contact with hot air, thereby leading to low overall drying efficiency, and after drying is completed, some sawdust is easily left in the cylinder during the material taking process, so a cylinder structure of a sawdust dryer is provided. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art and provides a cylinder structure of a sawdust dryer.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A cylinder structure of a sawdust dryer, comprising a base and an outer cylinder rotatably installed on the base, a power assembly for controlling rotation of the outer cylinder is installed on the base, a front support and a rear support are fixedly connected in the outer cylinder, a sliding inner cylinder is slidingly connected in the front support, a large lifting plate is fixedly connected in the sliding inner cylinder, a fixed inner cylinder is fixedly connected in the rear support, a fixed rod is fixedly connected on one side of the sliding inner cylinder, a first connecting shaft is fixedly connected on the lower side of the fixed rod, a large scraper is rotatably connected to the first connecting shaft, a second connecting shaft is fixedly connected on the upper side of the fixed rod, a small scraper is rotatably connected to the second connecting shaft, and a small lifting plate is fixedly connected in the outer cylinder.

[0007] Preferably, the lower side of the sliding inner cylinder is fixedly connected with a first baffle, the first baffle and the large scraper are fixedly connected with a first spring, the side edge of the second connecting shaft is fixedly connected with a second baffle, and the second baffle and the small scraper are fixedly connected with a second spring.

[0008] Preferably, a handle is fixedly connected to the outside of the sliding inner cylinder, and an antiskid rubber sleeve is fixedly connected to the outside of the handle.

[0009] Preferably, a plurality of stoppers are fixedly connected to the inside of the outer cylinder and the fixed inner cylinder, and each stopper is provided with a smooth arc on the side close to the fixed rod.

[0010] Preferably, a positioning pin is rotatably connected to the lower side of the front support.

[0011] Preferably, the sliding inner cylinder and the fixed inner cylinder are oppositely arranged, and a sealing ring is fixedly installed on the inner wall of the sliding inner cylinder and the fixed inner cylinder.

[0012] Compared with the prior art, the wood chip dryer has the following beneficial effects:

[0013] 1. Firstly, the fixed sleeve and the sliding sleeve are adopted to divide the outer cylinder into layers, so that the wood chips can be fully contacted with the hot air, more wood chips can be dried, and the working efficiency of the device as a whole is improved.

[0014] 2. Secondly, after the wood chip drying operation is completed, the sliding inner cylinder can be pulled out, the large scraper and the small scraper can be driven to clean the residual wood chips in the outer cylinder and the fixed inner cylinder, the wood chips can be prevented from being accumulated and clogging the roller, and in this process, the large scraper and the small scraper can be better pushed out from the outer cylinder and the fixed inner cylinder, and the cleaning effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The structure of the wood chip dryer is shown in the structure diagram of the roller structure of the wood chip dryer.

[0016] Figure 2 The structure of the wood chip dryer is shown in the structure diagram of the roller structure of the wood chip dryer.

[0017] Figure 3 The structure of the wood chip dryer is shown in the structure diagram of the roller structure of the wood chip dryer.

[0018] Figure 4 The structure of the wood chip dryer is shown in the structure diagram of the roller structure of the wood chip dryer.

[0019] Figure 5 The structure of the wood chip dryer is shown in the structure diagram of the roller structure of the wood chip dryer.

[0020] In the figure: 1 outer cylinder, 2 base, 3 positioning pin, 4 stop block, 5 second connecting shaft, 6 handle, 7 fixed rod, 8 sliding inner cylinder, 9 large lifting plate, 10 front support, 11 small lifting plate, 12 first connecting shaft, 13 first baffle, 14 rear support, 15 fixed inner cylinder, 16 large scraper, 17 small scraper, 18 first spring, 19 second spring, 20 second baffle. DETAILED DESCRIPTION

[0021] Referring to Figures 1-5 A wood drying machine drum structure, comprising a base 2 and a rotatingly installed outer cylinder 1 on the base 2, a power assembly for controlling the rotation of the outer cylinder 1 is installed on the base 2, the power assembly comprises a motor fixedly installed on the upper side of the base 2, a gear is fixedly installed on the outer side of the motor, a gear ring is fixedly connected to the outer side of the outer cylinder, when the drying operation is needed, the motor is started, the motor drives the outer cylinder to rotate through the gear and the gear ring, and then the drying operation is started, which is prior art and will not be described in detail, the outer cylinder 1 is fixedly connected with a front support 10 and a rear support 14, the front support 10 is slidingly connected with a sliding inner cylinder 8, the sliding inner cylinder 8 is connected with the front support 10 and the rear support 14 through horizontal sliding rails, the front support 10 is rotatably connected with a positioning pin 3 on the lower side, which fixes the sliding inner cylinder 8 during rotation, the front support 10 and the rear support 14 are relatively stationary during rotation, a handle 6 is fixedly connected to the outer side of the sliding inner cylinder 8, a non-slip rubber sleeve is fixedly connected to the outer side of the handle 6, which is convenient for the operator to pull out the sliding inner cylinder 8, a large lifting plate 9 is fixedly connected in the sliding inner cylinder 8, a small lifting plate 11 is fixedly connected in the outer cylinder 1, a fixed inner cylinder 15 is fixedly connected in the rear support 14, the sliding inner cylinder 8 and the fixed inner cylinder 15 are oppositely arranged, as shown in Figure 3 The inner walls of the sliding inner cylinder 8 and the fixed inner cylinder 15 are both fixedly installed with sealing rings, the sliding inner cylinder 8 and the fixed inner cylinder 15 form a closed cylinder after being connected through the sealing rings, a fixed rod 7 is fixedly connected through one side of the sliding inner cylinder 8, a first connecting shaft 12 is fixedly connected to the lower side of the fixed rod 7, a first baffle 13 is fixedly connected to the lower side of the sliding inner cylinder 8, a large scraper 16 is rotatably connected to the first connecting shaft 12, a first spring 18 is fixedly connected between the first baffle 13 and the large scraper 16, a second connecting shaft 5 is fixedly connected to the fixed rod 7, a second baffle 20 is fixedly connected to the side of the second connecting shaft 5, a small scraper 17 is rotatably connected to the second connecting shaft 5, a second spring 19 is fixedly connected between the second baffle 20 and the small scraper 17, a plurality of stop blocks 4 are fixedly connected to the inner side of the outer cylinder 1, a plurality of stop blocks 4 are fixedly connected to the inner side of the fixed inner cylinder 15, when the large scraper 16 and the small scraper 17 move with the sliding inner cylinder 8, they sway under the action of the stop blocks 4, the first spring 18 and the second spring 19, which more effectively cleans the wood chips in the inner wall of the outer cylinder 1 and the inner wall of the fixed inner cylinder 15.

[0022] The utility model discloses when needing to dry wood dregs, add wood dregs to fixed inner tube 15 and outer tube 1 one end, the sliding inner tube 8 is connected with fixed inner tube 15 through sealing washer and forms a closed cylinder at the beginning, and is fixed through the screwing of positioning pin 3, when drying operation is carried out, the outer tube 1 is autorotation, and the outer tube 1 drives the sliding inner tube 8 and fixed inner tube 15 to rotate through front support 10 and rear support 14, simultaneously drives big material throwing plate 9 and small material throwing plate 11 to rotate, makes wood dregs and hot air fully contact, to reach sufficient and equal drying, after drying, the outer tube 1 stops rotating, and the positioning pin 3 is loosened, and the positioning pin 3 is rotated and is taken out, and the outer tube 1 is rotated as a whole, until big scraper 16 is at the lower side of the inner wall of outer tube 1, pull handle 6 and take out the sliding inner tube 8, complete the taking of drying wood dregs, simultaneously drive big scraper 16 to clean the wood dregs accumulated in the inner wall of outer tube 1, after cleaning the inner wall of outer tube 1, push handle 6 and reset the sliding inner tube 8, and the outer tube 1 is rotated as a whole again, makes the outer tube 1 and fixed inner tube 15 rotate as a whole 180 DEG, makes big scraper 16 at the upper side of the inner wall of outer tube 1, and small scraper 17 scraping head faces down, pull handle 6 and take out the sliding inner wall 8 again, drive small scraper 17 to clean the wood dregs accumulated in the inner wall of fixed inner tube 15, reset after cleaning, that is, complete once drying, in the above-mentioned cleaning process, when big scraper 16 or small scraper 17 and stopper 4 abut, because the cross section of stopper 4 is circular, therefore when big scraper 16 or small scraper 17 and stopper 4 abut, will cause big scraper 16 or small scraper 17 to shake, and can further improve the cleaning effect.

Claims

1. A drum structure of a wood chip dryer comprising a base (2) and an outer drum (1) rotatably mounted on the base (2), characterized in that, The base (2) is provided with a power assembly for controlling the rotation of the outer cylinder (1), the outer cylinder (1) is fixedly connected with a front support (10) and a rear support (14), the front support (10) is slidably connected with a sliding inner cylinder (8), the sliding inner cylinder (8) is fixedly connected with a large material lifting plate (9), the rear support (14) is fixedly connected with a fixed inner cylinder (15), one side of the sliding inner cylinder (8) is fixedly connected with a fixed rod (7) penetratingly, the lower side of the fixed rod (7) is fixedly connected with a first connecting shaft (12), the first connecting shaft (12) is rotatably connected with a large scraper (16), the upper side of the fixed rod (7) is fixedly connected with a second connecting shaft (5), the second connecting shaft (5) is rotatably connected with a small scraper (17), and the outer cylinder (1) is fixedly connected with a small material lifting plate (11).

2. A drum structure of a wood chip dryer according to claim 1, characterized in that, The lower side of the sliding inner cylinder (8) is fixedly connected with a first baffle (13), the first baffle (13) and the large scraper (16) are fixedly connected with a first spring (18), the side edge of the second connecting shaft (5) is fixedly connected with a second baffle (20), and the second baffle (20) and the small scraper (17) are fixedly connected with a second spring (19).

3. A drum structure of a wood chip dryer according to claim 1, characterized in that, The outer side of the sliding inner cylinder (8) is fixedly connected with a handle (6), and the outer side of the handle (6) is fixedly connected with an anti-skid rubber sleeve.

4. A drum structure of a wood chip dryer according to claim 1, wherein The inner side of the outer cylinder (1) and the fixed inner cylinder (15) are fixedly connected with a plurality of stoppers (4), and the side of each stopper (4) close to the fixed rod (7) is provided with a smooth arc.

5. A drum structure of a wood chip dryer according to claim 1, wherein The lower side of the front support (10) is rotatably connected with a positioning pin (3).

6. A drum structure of a wood chip dryer according to claim 1, wherein The sliding inner cylinder (8) and the fixed inner cylinder (15) are oppositely arranged, and the inner walls of the sliding inner cylinder (8) and the fixed inner cylinder (15) are fixedly installed with sealing rings.