Double-cone vacuum dryer

By introducing a reversible stirring shaft structure into the double cone vacuum dryer, the problems of uneven mixing and insufficient applicability have been solved, enabling uniform drying and efficient production of viscous materials.

CN223580479UActive Publication Date: 2025-11-21CHANGZHOU YIXIN DRYING EQUIP
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Patent Information

Application Number
CN202423289228.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-11-21
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

The existing double cone vacuum dryer's stirring shaft can only rotate in one direction, which causes viscous materials to easily agglomerate and be mixed unevenly, affecting the drying effect and product quality. Furthermore, it cannot flexibly adjust the stirring direction according to the material state, which limits the dryer's applicability and efficiency.

Method used

A reversible stirring shaft structure was designed to break up material agglomeration by alternating forward and reverse rotation, and to flexibly adjust the stirring direction according to the material characteristics and drying stage, thereby enhancing the contact effect between the material and the heating wall.

Benefits of technology

It achieves full dispersion and uniform drying of viscous materials, improves drying efficiency and product quality stability, enhances the adaptability of the dryer to different materials, and meets diverse production needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a double-cone vacuum dryer, and relates to the technical field of double-cone vacuum dryers. The device comprises a mounting cylinder, a connecting hole is formed in the mounting cylinder, a coupler is installed in the connecting hole, a rotating shaft is installed in the coupler, a gear is installed on the rotating shaft, a connecting block is installed on one side of the gear, a tooth groove is formed in the connecting block, and the gear is meshed with the tooth groove. According to the double-cone vacuum drying machine, by additionally arranging a structure capable of enabling the stirring shaft to rotate forwards and backwards, for viscous materials, material agglomeration can be effectively broken through forward and backward rotation alternation, the viscous materials are fully dispersed in the cylinder, the drying uniformity degree is improved, and stable product quality is guaranteed. Meanwhile, according to different materials and different drying stages, the rotating direction of the stirring shaft is flexibly switched, the material stirring effect can be optimized, the materials can make better contact with the heating wall, and the drying efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to double -cone vacuum drying machine technical field especially relates to a double -cone vacuum drying machine. BACKGROUND

[0002] In numerous industries such as chemical industry, pharmacy, food, etc., double-cone vacuum drying machine is a commonly used drying equipment, which utilizes vacuum environment to reduce the boiling point of materials, and through heating and stirring, the materials are uniformly heated to realize efficient drying. It is widely used due to its advantages such as processing of heat-sensitive materials at low temperature and good drying effect. With the continuous development of production process, the requirement for the refinement of drying machine function is higher and higher, for example, more flexible stirring mode is needed in the stirring process to meet the requirements of different material characteristics and drying stages, so as to further improve the drying quality and efficiency.

[0003] At present, the stirring shaft of the common double-cone vacuum drying machine on the market can only rotate in a single direction, and the rotating speed is generally only a few dozen rounds or even a few rounds per minute. In actual drying operation, for some materials with high viscosity and easy to agglomerate, one-way stirring is easy to cause local accumulation of materials and uneven stirring, resulting in insufficient drying and affecting product quality. Moreover, the stirring direction cannot be flexibly adjusted according to the state of the materials in each drying stage, and the role of stirring in turning and mixing the materials cannot be maximized, which limits the applicability of the drying machine to different materials and the improvement of the drying effect to some extent.

[0004] Therefore, a double-cone vacuum drying machine is newly proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a double-cone vacuum drying machine to solve the technical problems proposed in the background art.

[0006] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0007] The utility model is a double-cone vacuum drying machine, which comprises a mounting cylinder, a connecting hole is formed in the mounting cylinder, a shaft coupling is installed in the connecting hole, a rotating shaft is installed in the shaft coupling, a gear is installed on the rotating shaft, a connecting block is installed on one side of the gear, a gear slot is formed in the connecting block, the gear is engaged with the gear slot, a movable piece is installed at the left end of the connecting block, a sliding groove is formed in the movable piece, an installation rod is installed in the sliding groove, a limiting block is installed at one end of the installation rod close to the mounting cylinder, an installation block is installed at the other end of the installation rod away from the limiting block, and a first transmission shaft is installed at the upper end of the installation block.

[0008] Preferably, the lower end of the rotating shaft is provided with a stirring shaft, the stirring shaft is installed in the coupling at one end close to the rotating shaft, a plurality of stirring blades are installed on the stirring shaft, a second bearing is installed on the stirring shaft at an end away from the coupling, and the second bearing is connected to the inner side wall of the mounting cylinder at an end away from the connecting hole.

[0009] Preferably, the lower end of the rotating shaft is provided with a stirring shaft, the stirring shaft is installed in the coupling at one end close to the rotating shaft, a plurality of stirring blades are installed on the stirring shaft, a second bearing is installed on the stirring shaft at an end away from the coupling, and the second bearing is connected to the inner side wall of the mounting cylinder at an end away from the connecting hole.

[0010] Preferably, the inner side wall of the mounting cylinder is provided with a temperature sensor at an end close to the second bearing, and the temperature sensor is electrically connected to an external terminal.

[0011] Preferably, the mounting cylinder is provided with a discharge pipe at an end close to the second bearing, and the discharge pipe is provided with a valve.

[0012] Preferably, the mounting cylinder is provided with a second transmission shaft at both left and right ends, the right end of the second transmission shaft is provided with a third bearing at an end away from the mounting cylinder, the left end of the second transmission shaft is provided with a second motor at an end away from the mounting cylinder, the second motor is provided with a support plate at an end close to the mounting cylinder and at an end away from the mounting cylinder of the third bearing, the left end of the second transmission shaft penetrates through the corresponding support plate, and the two support plates are provided with a bottom plate at bottom ends.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The double-cone vacuum dryer can effectively break the material agglomeration by alternately reversing the stirring shaft for viscous materials, fully disperses the materials in the cylinder, improves the drying uniformity, and ensures the stable product quality. Meanwhile, the rotating direction of the stirring shaft can be flexibly switched according to different materials and different drying stages, the material overturning effect can be optimized, the materials can be better contacted with the heating wall, the drying efficiency is improved, the adaptability of the dryer to various materials is enhanced, more diversified production demands can be met, and the production efficiency of related industries is improved.

[0015] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 The installation form structure diagram of the present application;

[0018] Figure 2 The installation cylinder sectional structure diagram of the present application;

[0019] Figure 3 The gear and connecting block structure diagram of the present application;

[0020] Figure 4 The stirring shaft and stirring blade diagram of the present application;

[0021] Figure 5 The temperature sensor structure diagram of the present application;

[0022] Figure 6 The second motor and second transmission shaft structure diagram of the present application.

[0023] In the drawings, the component list represented by each sign is as follows:

[0024] 110, installation cylinder; 120, connecting hole; 130, discharging pipe; 140, valve; 210, first mounting piece; 220, second mounting piece; 230, limiting block; 231, mounting rod; 232, mounting block; 233, first transmission shaft; 234, first motor; 240, movable piece; 241, connecting block; 250, first bearing; 251, rotating shaft; 252, gear; 260, shaft coupling; 261, stirring shaft; 262, stirring blade; 263, second bearing; 310, second transmission shaft; 320, third bearing; 330, support plate; 340, second motor; 350, bottom plate; 410, temperature sensor. DETAILED DESCRIPTION

[0025] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0026] In the description of the embodiments of the utility model, it is understood that the orientation or positional relationship indicated by the terms "length", "vertical", "horizontal", "top", "bottom" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the utility model.

[0027] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0028] In order to better understand the purpose, structure and function of the utility model, the utility model will be further described in detail below in combination with the drawings.

[0029] Please refer to Figures 1-5 The embodiment is a double-cone vacuum dryer, which comprises a mounting cylinder 110, a connecting hole 120 is formed in the mounting cylinder 110, a shaft coupling 260 is installed in the connecting hole 120, a rotating shaft 251 is installed in the shaft coupling 260, a gear 252 is installed on the rotating shaft 251, a connecting block 241 is installed on one side of the gear 252, a tooth groove is formed in the connecting block 241, the gear 252 is engaged with the tooth groove, a movable piece 240 is installed at the left end of the connecting block 241, a sliding groove is formed in the movable piece 240, a mounting rod 231 is installed in the sliding groove, a limiting block 230 is installed at one end of the mounting rod 231 close to the mounting cylinder 110, a mounting block 232 is installed at the other end of the mounting rod 231 away from the limiting block 230, and a first transmission shaft 233 is installed at the upper end of the mounting block 232.

[0030] A stirring shaft 261 is installed at the lower end of the rotating shaft 251, one end of the stirring shaft 261 close to the rotating shaft 251 is installed in the shaft coupling 260, a plurality of stirring blades 262 are installed on the stirring shaft 261, a second bearing 263 is installed at the other end of the stirring shaft 261 away from the shaft coupling 260, and the other end of the second bearing 263 away from the stirring shaft 261 is connected with the inner side wall of the mounting cylinder 110 away from the connecting hole 120. This design can drive the stirring shaft 261 to rotate through the rotating shaft 251 installed in the shaft coupling 260, drive the stirring blades 262 to rotate through the stirring shaft 261, and then stir the materials in the mounting cylinder 110.

[0031] The first bearing 250 is installed on one end of the rotating shaft 251 away from the shaft coupling 260, the second mounting piece 220 is installed on one end of the first bearing 250 away from the rotating shaft 251, the first mounting piece 210 is connected with the mounting cylinder 110, the first motor 234 is installed on one end of the first transmission shaft 233 away from the mounting block 232, the first mounting piece 210 is connected with the mounting cylinder 110.

[0032] The temperature sensor 410 is installed on the inner side wall of the mounting cylinder 110 close to one end of the second bearing 263, and the temperature sensor 410 is electrically connected with the external terminal. This design can detect the temperature in the mounting cylinder 110 in real time, and because it is connected with the external terminal, the temperature information can be accurately grasped by the staff.

[0033] The discharge pipe 130 is installed on the mounting cylinder 110 close to one end of the second bearing 263, and the valve 140 is installed on the discharge pipe 130. This design can open the channel of the discharge pipe 130 through the valve 140 after the drying operation is completed, and the material in the drying agent is discharged.

[0034] The second transmission shaft 310 is installed on both left and right ends of the mounting cylinder 110, the third bearing 320 is installed on one end of the second transmission shaft 310 away from the mounting cylinder 110 on the right end, the second motor 340 is installed on one end of the second transmission shaft 310 away from the mounting cylinder 110 on the left end, the support plate 330 is installed on one end of the second motor 340 close to the mounting cylinder 110 and one end of the third bearing 320 away from the mounting cylinder 110, the second transmission shaft 310 penetrates through the corresponding support plate 330 on the left end, and the bottom plate 350 is installed on the bottom end of the two support plates 330. This design can rotate the mounting cylinder 110 by starting the second motor 340, and the second motor 340 drives the mounting cylinder 110 to rotate through the second transmission shaft 310, so as to produce horizontal rotation of the material in the mounting cylinder 110.

[0035] The working principle is as follows: in working, the material is directly placed into the installation cylinder 110, then the second motor 340 is started to drive the installation cylinder 110 to rotate to generate transverse rotation of the material in the installation cylinder 110, and the first motor 234 is started to drive the first transmission shaft 233 to rotate, the first transmission shaft 233 drives the installation block 232 and the installation rod 231 to rotate when rotating, the installation rod 231 moves upwards in the movable piece 240 first when rotating, and the movable piece 240 is pulled to the left when the top end is moved into the sliding groove in the movable piece 240, the connecting plate is synchronously moved by the movable piece 240, the gear 252 is rotated when the connecting plate moves, the stirring shaft 261 is driven to rotate by the rotating shaft 251 when the gear 252 rotates, the stirring blade 262 is driven to rotate by the stirring shaft 261 when rotating, so that the material is stirred, when the connecting plate moves to the left end, the installation rod 231 drives the movable piece 240 to be located at the left end of the first motor 234, at this time, the installation rod 231 rotates to the right, the movable piece 240 is synchronously moved to the right by the installation rod 231 in the moving process, the connecting plate is moved to the right by the movable piece 240 in the moving process, the rotating shaft 251 is reversely rotated by the gear 252 when the connecting plate moves to the right, the stirring blade 262 is reversely rotated by the rotating shaft 251 through the stirring shaft 261, so that the material in the installation cylinder 110 is reversely stirred.

[0036] It can be understood that the utility model is described through some embodiments, and the person skilled in the art knows that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed here, and all embodiments falling within the scope of the claims of the application belong to the scope protected by the utility model.

Claims

1. A double-cone vacuum dryer, characterized by, Include: The installation cylinder (110) is provided with a connecting hole (120), a shaft coupling (260) is installed in the connecting hole (120), a rotating shaft (251) is installed in the shaft coupling (260), a gear (252) is installed on the rotating shaft (251), a connecting block (241) is installed on one side of the gear (252), a gear slot is formed in the connecting block (241), the gear (252) is engaged with the gear slot, a movable element (240) is installed at the left end of the connecting block (241), a sliding groove is formed in the movable element (240), an installation rod (231) is installed in the sliding groove, a limiting block (230) is installed at one end of the installation rod (231) close to the installation cylinder (110), an installation block (232) is installed at one end of the installation rod (231) away from the limiting block (230), and a first transmission shaft (233) is installed at the upper end of the installation block (232).

2. A double-cone vacuum dryer according to claim 1, characterized in that The lower end of the rotating shaft (251) is provided with a stirring shaft (261), one end of the stirring shaft (261) close to the rotating shaft (251) is installed in the shaft coupling (260), a plurality of stirring blades (262) are installed on the stirring shaft (261), a second bearing (263) is installed at one end of the stirring shaft (261) away from the shaft coupling (260), and the second bearing (263) is connected to the inner side wall of the installation cylinder (110) away from the connecting hole (120).

3. A double-cone vacuum dryer according to claim 1, characterized in that The end of the rotating shaft (251) away from the shaft coupling (260) is provided with a first bearing (250), the first bearing (250) is provided with a second mounting element (220) at the end away from the rotating shaft (251), the second mounting element (220) is connected to the installation cylinder (110), the first transmission shaft (233) is provided with a first motor (234) at the end away from the installation block (232), the first motor (234) is provided with a first mounting element (210) at the end away from the first transmission shaft (233), and the first mounting element (210) is connected to the installation cylinder (110).

4. A double-cone vacuum dryer according to claim 1, characterized in that The inner side wall of the installation cylinder (110) is provided with a temperature sensor (410) at the end close to the second bearing (263), and the temperature sensor (410) is electrically connected to an external terminal.

5. A double-cone vacuum dryer according to claim 1, characterized in that The installation cylinder (110) is provided with a discharge pipe (130) at the end close to the second bearing (263), and the discharge pipe (130) is provided with a valve (140).

6. A double-cone vacuum dryer according to claim 1, characterized in that Second transmission shafts (310) are installed on both left and right ends of the mounting cylinder (110), a third bearing (320) is installed on the end of the right second transmission shaft (310) away from the mounting cylinder (110), a second motor (340) is installed on the end of the left second transmission shaft (310) away from the mounting cylinder (110), support plates (330) are installed on the end of the second motor (340) close to the mounting cylinder (110) and the end of the third bearing (320) away from the mounting cylinder (110), the left second transmission shaft (310) penetrates through the corresponding support plate (330), and bottom plates (350) are installed on the bottom ends of the two support plates (330).