A double cone rotary vacuum dryer for easy discharging

By setting up a baffle structure for easy opening and closing at the discharge port of the double-cone rotary vacuum dryer, and setting a scraper rod in the tank body, the problem of slow discharge caused by fixing the material to the inner wall is solved, and the discharge and drying efficiency is improved.

CN222747615UActive Publication Date: 2025-04-11CHANGZHOU HENGCHENG FIRST DRYING EQUIP
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420978147.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-08
Publication Date
2025-04-11
Estimated Expiration
2034-05-08

AI Technical Summary

Technical Problem

During the discharge process of existing double-cone rotary vacuum dryers, the materials are easily fixed to the inner wall, resulting in slow discharge speed, low efficiency, and difficult to clean the inner wall materials.

Method used

A double-cone rotary vacuum dryer for convenient discharge is designed. By setting a fixed seat, a positioning shaft, a positioning seat and a positioning plate at the discharge port, the baffle is easy to open and close, and a scraper rod is installed in the tank body, and the scraper rod is driven to rotate by a motor to scrape off the material on the inner wall of the tank body.

Benefits of technology

It realizes convenient opening and closing of the discharge port, improves the discharge efficiency, and through the design of the scraper rod, the materials on the inner wall of the tank are effectively cleaned up, improving the drying efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222747615U_ABST
    Figure CN222747615U_ABST
Patent Text Reader

Abstract

A double-cone rotary vacuum dryer for convenient discharging, wherein a top cover is fixedly arranged on the top of the tank body, a motor is fixedly arranged on the top of the top cover, a driving shaft penetrating the top cover and inserted into the tank body is provided at the output end of the motor, a rotating shaft is fixedly arranged at the lower end of the driving shaft, scraping rods contacting the tank body and the inner wall of the top cover are provided on both sides of the rotating shaft, a discharging port is provided at the lower end of the tank body, a fixing seat is fixedly arranged on one side of the discharging port, a positioning seat is fixedly arranged on the other side of the discharging port, and a positioning shaft is fixedly arranged on one side of the baffle plate; when discharging is required, the motor is started, the driving shaft can drive the rotating shaft to rotate in the tank body, thereby the driving block can rotate on the inner wall of the tank body, the material on the inner wall of the tank body can be scraped, and the discharging efficiency of the tank body can be improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of drying machines, in particular to a double-cone rotary vacuum drying machine which is convenient for discharging materials. Background Art

[0002] The double cone rotary vacuum dryer is a double cone rotary tank. When the tank is in a vacuum state, steam or hot water is introduced into the jacket for heating. The heat contacts the wet material through the inner wall of the tank. The water vapor evaporated by the wet material after absorbing heat is pumped away through the vacuum exhaust pipe by the vacuum pump. Since the tank is in a vacuum state and the rotation of the tank makes the material constantly turn up and down, inside and outside, the drying speed of the material is accelerated, the drying efficiency is improved, and the purpose of uniform drying is achieved.

[0003] During the discharge process of the existing double-cone rotary vacuum dryer, part of the material will be fixed on its inner wall. Since the size of its discharge port is too small, it is inconvenient to clean the material on the inner wall, so that the double-cone rotary vacuum dryer has a slow discharge speed and low discharge efficiency. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies of the prior art, the utility model provides a double-cone rotary vacuum dryer which is convenient for discharging materials.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a double-cone rotary vacuum dryer for convenient discharging, comprising a bracket and a tank body, the tank body can rotate on the bracket, a top cover is fixedly arranged on the top of the tank body, a motor is fixedly arranged on the top of the top cover, an output end of the motor is provided with a driving shaft that penetrates the top cover and is inserted into the tank body, a rotating shaft is fixedly arranged at the lower end of the driving shaft, scraping rods that contact the tank body and the inner wall of the top cover are arranged on both sides of the rotating shaft, a discharging port is provided at the lower end of the tank body, a fixing seat is fixedly arranged on one side of the discharging port, a positioning seat is fixedly arranged on the other side of the discharging port, a baffle is provided below the discharging port, a positioning shaft is fixedly arranged on one side of the baffle, both ends of the positioning shaft are rotatably connected with the fixing seat, a positioning plate is arranged on the other side of the baffle, and the positioning plate is fixed to the positioning seat by bolts.

[0008] In order to improve the stability of the driving block during rotation, the utility model has the following improvements: a positioning ring located at the bottom of the scraper rod is provided inside the tank body, the positioning ring is fixed to the inside of the tank body by a support rod, the support rod is located below the scraper rod, an annular groove is provided between the positioning ring and the inner wall of the tank body, and the bottom end of the scraper rod can rotate inside the annular groove.

[0009] In order to facilitate the assembly of the rotating shaft, the utility model has the following improvements: a driving block is fixedly arranged at the bottom end of the driving shaft, and a positioning rod inserted into the driving block is provided at the top end of the rotating shaft, and the positioning rod is threadedly connected to the driving block.

[0010] Furthermore, the utility model has the following improvements: a sealing ring contacting the driving block is provided on the top of the rotating shaft.

[0011] Furthermore, the improvement of the utility model is that the top cover and the tank body are fixed by bolts.

[0012] Furthermore, the utility model has the following improvements: the motor is a servo motor.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a double-cone rotary vacuum dryer which is convenient for discharging materials and has the following beneficial effects:

[0015] The double-cone rotary vacuum dryer is convenient for discharging materials. The structure can make the baffle easy to open and close through the fixed seat, positioning shaft, positioning seat and positioning plate. This process only requires the operation of one bolt, and the opening and closing efficiency is high.

[0016] When discharging is required, the motor is started, and the driving shaft drives the rotating shaft to rotate in the tank body, so that the scraper rod can rotate on the inner wall of the tank body, and the material on the inner wall of the tank body can be scraped, thereby improving the discharging efficiency of the tank body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 For this utility model Figure 1 Rear view of

[0019] Figure 3 This is a schematic diagram of the internal structure of the tank body in the utility model;

[0020] Figure 4 For this utility model Figure 3 A schematic diagram of the local enlarged structure at point A in the middle;

[0021] Figure 5 It is a schematic diagram of the docking structure of the positioning seat and the positioning plate in the utility model;

[0022] Figure 6 It is a structural schematic diagram of the positioning ring in the utility model;

[0023] In the figure: 1. bracket; 2. tank body; 3. top cover; 4. motor; 5. discharge port; 6. baffle; 7. fixing seat; 8. positioning shaft; 9. positioning seat; 10. positioning plate; 11. rotating shaft; 12. driving shaft; 13. driving block; 14. positioning rod; 15. sealing ring; 16. positioning ring. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-6 , a double-cone rotary vacuum dryer for convenient discharging, comprising a bracket 1 and a tank body 2, the tank body 2 can rotate on the bracket 1, a top cover 3 is fixedly arranged on the top of the tank body 2, a motor 4 is fixedly arranged on the top of the top cover 3, an output end of the motor 4 is provided with a driving shaft 12 that penetrates the top cover 3 and is inserted into the tank body 2, a rotating shaft 11 is fixedly arranged at the lower end of the driving shaft 12, and scraping rods that contact the inner walls of the tank body 2 and the top cover 3 are arranged on both sides of the rotating shaft 11, a discharging port 5 is provided at the lower end of the tank body 2, a fixing seat 7 is fixedly arranged on one side of the discharging port 5, a positioning seat 9 is fixedly arranged on the other side of the discharging port 5, a baffle 6 is provided below the discharging port 5, a positioning shaft 8 is fixedly arranged on one side of the baffle 6, both ends of the positioning shaft 8 are rotatably connected with the fixing seat 7, a positioning plate 10 is provided on the other side of the baffle 6, and the positioning plate 10 is fixed to the positioning seat 9 by bolts;

[0026] In this structure, the material is added into the tank body 2 through the discharge port 5, and then the baffle 6 is closed, and the positioning plate 10 is fixed to the positioning seat 9 by bolts. This structure can make the baffle 6 easy to open and close by providing a fixing seat 7, a positioning shaft 8, a positioning seat 9 and a positioning plate 10. This process only requires the operation of one bolt, and the opening and closing efficiency is high;

[0027] When it is necessary to discharge the material, the motor 4 is started, and the driving shaft 12 can drive the rotating shaft 11 to rotate in the tank body 2, so that the scraper rod can rotate on the inner wall of the tank body 2, and the material on the inner wall of the tank body 2 can be scraped, thereby improving the discharge efficiency of the tank body 2. Moreover, the scraper rod and the rotating shaft 11 are fixed by a cross bar, which can also provide a stirring effect for the material in the tank body 2, thereby improving the drying efficiency of the material.

[0028] The bottom of the scraper rod lacks a guiding structure in the tank body 2, which will affect the stability of the scraper rod during rotation. The tank body 2 is provided with a positioning ring 16 located at the bottom of the scraper rod. The positioning ring 16 is fixed to the inside of the tank body 2 by a support rod. The support rod is located below the scraper rod. An annular groove is provided between the positioning ring 16 and the inner wall of the tank body 2. The bottom end of the scraper rod can rotate inside the annular groove. Through the provided drive shaft 12, a guiding structure can be provided for the bottom of the scraper rod in the tank body 2, which can improve the stability of the scraper rod during rotation.

[0029] Furthermore, a driving block 13 is fixedly arranged at the bottom end of the driving shaft 12, a positioning rod 14 is provided at the top end of the rotating shaft 11 and is inserted into the driving block 13, the positioning rod 14 is threadedly connected to the driving block 13, and a sealing ring 15 is provided on the top of the rotating shaft 11 to contact the driving block 13. The sealing ring 15 can ensure the sealing of the joint between the driving block 13 and the rotating shaft 11, and the rotating shaft 11 can be rotated to make the positioning rod 14 assembled on the driving block 13, so that the rotating shaft 11 can be easily assembled on the driving block 13.

[0030] Furthermore, the top cover 3 and the tank body 2 are fixed by bolts, and the bolt fixing method has the advantage of easy assembly.

[0031] Furthermore, the motor 4 can be a servo motor.

[0032] In the description of this article, it should be noted that relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[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 double-cone rotary vacuum dryer for convenient discharging, comprising a support (1) and a tank body (2), wherein the tank body (2) can rotate on the support (1), characterized in that: A top cover (3) is fixedly arranged on the top of the tank body (2), a motor (4) is fixedly arranged on the top of the top cover (3), an output end of the motor (4) is provided with a driving shaft (12) which passes through the top cover (3) and is inserted into the tank body (2), a rotating shaft (11) is fixedly arranged at the lower end of the driving shaft (12), and scraping rods which contact the tank body (2) and the inner wall of the top cover (3) are arranged on both sides of the rotating shaft (11), a discharge port (5) is provided at the lower end of the tank body (2), a fixing seat (7) is fixedly arranged on one side of the discharge port (5), a positioning seat (9) is fixedly arranged on the other side of the discharge port (5), a baffle (6) is provided below the discharge port (5), a positioning shaft (8) is fixedly arranged on one side of the baffle (6), both ends of the positioning shaft (8) are rotatably connected to the fixing seat (7), a positioning plate (10) is provided on the other side of the baffle (6), and the positioning plate (10) is fixed to the positioning seat (9) by bolts.

2. A double-cone rotary vacuum dryer for convenient discharging according to claim 1, characterized in that: The interior of the tank body (2) is provided with a positioning ring (16) located at the bottom of the scraper rod. The positioning ring (16) is fixed to the interior of the tank body (2) via a support rod. The support rod is located below the scraper rod. An annular groove is provided between the positioning ring (16) and the inner wall of the tank body (2). The bottom end of the scraper rod can rotate inside the annular groove.

3. A double-cone rotary vacuum dryer for convenient discharging according to claim 2, characterized in that: A driving block (13) is fixedly arranged at the bottom end of the driving shaft (12), and a positioning rod (14) inserted into the driving block (13) is arranged at the top end of the rotating shaft (11), and the positioning rod (14) is threadedly connected to the driving block (13).

4. The double-cone rotary vacuum dryer for convenient discharging of materials according to claim 3, characterized in that: A sealing ring (15) contacting the driving block (13) is provided on the top of the rotating shaft (11).

5. The double-cone rotary vacuum dryer for convenient discharging of materials according to claim 4, characterized in that: The top cover (3) and the tank body (2) are fixed by bolts.

6. A double-cone rotary vacuum dryer for convenient discharging according to claim 5, characterized in that: The motor (4) is a servo motor.