Shellac dissolving tank for shellac coating production
By introducing a premixing chamber and a dissolving chamber structure into the shellac dissolving tank, and equipping it with ultrasonic waves and segmented heating, the problems of uneven heating and sedimentation in the shellac dissolving tank are solved, thereby improving the dissolving efficiency and mixing effect.
Patent Information
- Application Number
- CN202423275680.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing shellac dissolving tanks suffer from uneven heating, inconsistent stirring effects, and shellac sedimentation, resulting in low dissolving efficiency.
The design incorporates a premixing chamber and a dissolving chamber, equipped with a premixing stirring mechanism and an ultrasonic transducer. Combined with segmented heating and spiral blades, it enhances material mixing and temperature control, and prevents sedimentation.
It achieves uniform premixing and crushing of shellac and solvent, improves dissolution efficiency, ensures heating uniformity, prevents sedimentation, and enhances mixing effect.
Smart Images
Figure CN223846674U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of shellac coating production, especially to a shellac dissolving tank for shellac coating production. BACKGROUND
[0002] Shellac coating is a process that uses shellac as the main material to wrap tablets, pills and other pharmaceutical preparations. Shellac is a natural resin substance secreted by a female insect called lac bug. This substance is used in the pharmaceutical industry to form a protective film covering the surface of tablets or capsules. Shellac dissolving tank is a container used to dissolve solid shellac, usually in the form of tablets or powder, into a liquid state for subsequent use in various industries such as medicine, food and paint industries. The commonly used dissolving tank has a heating structure inside the inner wall, and the temperature of the material center and the inner wall is not uniform, which causes uneven heating during dissolution. At the same time, shellac is prone to settle at the bottom of the tank under the action of gravity, and the stirring effect of the common stirrer is single, resulting in low dissolution efficiency. SUMMARY
[0003] The utility model aims at solving the deficiency of prior art, and provides a shellac dissolving tank for shellac coating production.
[0004] To achieve the above purpose, the utility model adopts the following technical scheme: a shellac dissolving tank for shellac coating production, comprising a tank body, a support seat arranged at the bottom of the tank body, a premixing cavity arranged at the upper part of the tank body, a dissolving cavity arranged at the lower part of the tank body, a material guiding channel with a valve arranged between the premixing cavity and the dissolving cavity, a plurality of feed ports connected with the premixing cavity arranged at the top of the tank body, a discharge port connected with the dissolving cavity arranged at the bottom of the tank body, a premixing stirring mechanism arranged in the premixing cavity, a plurality of ultrasonic transducers arranged on the outer wall of the premixing cavity in a circumferential manner, an ultrasonic generator connected with the ultrasonic transducers arranged on the support seat, a plurality of heating cavities arranged inside the inner wall of the dissolving cavity from top to bottom, an electric heating pipe arranged in the heating cavity, a dissolving stirring mechanism arranged in the dissolving cavity, and an auxiliary heating mechanism arranged on the dissolving stirring mechanism.
[0005] In particular, the premixing stirring mechanism comprises a first stirring shaft rotatably connected to the top center of the premixing cavity, a first motor arranged at the top of the tank body to drive the rotation of the first stirring shaft, first scrapers arranged on the top and bottom of the first stirring shaft to contact the inner wall of the premixing cavity, and a plurality of groups of stirring blades arranged on the outer wall of the first stirring shaft from top to bottom.
[0006] In particular, the stirring blades are arranged in a downwardly bent manner away from the side of the first stirring shaft.
[0007] Particularly, the dissolving stirring mechanism comprises a second stirring shaft rotatably connected to the center of the bottom of the dissolving cavity, the support base is provided with a second motor, the bottom of the second stirring shaft penetrates through the tank body and is driven by a belt transmission with the main shaft of the second motor, the outer wall of the second stirring shaft is respectively provided with a first spiral blade and a second spiral blade in the form of a belt, a connecting rod is arranged between the second spiral blade and the second stirring shaft, and the top and bottom of the second stirring shaft are provided with second scrapers in contact with the inner wall of the dissolving cavity.
[0008] Particularly, the second stirring shaft and the connecting rod are hollow and communicate with each other, and the auxiliary heating mechanism comprises a plurality of heating lining plates arranged on the connecting rod.
[0009] The beneficial effects of the utility model are as follows: the utility model discloses a premixing cavity and a premixing stirring mechanism, and a premixing process is additionally arranged, so that the insect glue and the solvent are preliminarily mixed before formal dissolving, the material in the initial state is more uniform, and the subsequent heating and dissolving process is facilitated, meanwhile, the arrangement of the ultrasonic transducer and the ultrasonic generator facilitates the crushing of insect glue particles before dissolving, and promotes the subsequent dissolving and mixing; the arrangement of the first spiral blade and the second spiral blade enhances the vertical conveying capacity of the material, improves the mixing effect, and prevents the material from settling; the arrangement of the sectional electric heating pipe on the inner wall of the dissolving cavity facilitates the sectional control of temperature, meanwhile, the arrangement of the auxiliary heating mechanism facilitates the more uniform heating of the material during the dissolving process, and the dissolving and mixing effect is good and the efficiency is high. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 It is a structural schematic view of the utility model;
[0011] In the drawing: 1-tank body; 2-support base; 3-premixing cavity; 4-dissolving cavity; 5-material guiding channel; 6-feeding port; 7-discharging port; 8-ultrasonic transducer; 9-ultrasonic generator; 10-heating cavity; 11-electric heating pipe; 12-first stirring shaft; 13-first motor; 14-first scraper; 15-stirring blade; 16-second stirring shaft; 17-second motor; 18-first spiral blade; 19-second spiral blade; 20-connecting rod; 21-heating lining plate; 22-second scraper;
[0012] The utility model will be described in detail below by combining the embodiments thereof with the drawings. DETAILED DESCRIPTION
[0013] The utility model will be described in detail below by combining the embodiments thereof with the drawings.
[0014] For example, Figure 1As shown, a shellac dissolving tank for shellac coating production includes a tank body 1, a support seat 2 arranged at the bottom of the tank body 1, a premixing cavity 3 arranged at the upper portion of the tank body 1, a dissolving cavity 4 arranged at the lower portion of the tank body 1, a valve-equipped material guiding channel 5 arranged between the premixing cavity 3 and the dissolving cavity 4, a plurality of feeding ports 6 connected with the premixing cavity 3 arranged at the top of the tank body 1, a discharging port 7 connected with the dissolving cavity 4 arranged at the bottom of the tank body 1, a premixing stirring mechanism arranged in the premixing cavity 3, a plurality of ultrasonic transducers 8 arranged on the circumferential wall of the premixing cavity 3, an ultrasonic generator 9 connected with the ultrasonic transducers 8 arranged on the support seat 2, the premixing stirring mechanism including a first stirring shaft 12 rotatably connected with the top center of the premixing cavity 3, a first motor 13 arranged at the top of the tank body 1 and configured to drive the first stirring shaft 12 to rotate, first scrapers 14 arranged on the top and bottom of the first stirring shaft 12 and configured to contact the inner wall of the premixing cavity 3, and a plurality of groups of stirring blades 15 arranged on the outer wall of the first stirring shaft 12 from top to bottom.
[0015] The premixing process is additionally provided, the relative shellac and solvent are preliminarily mixed before formal dissolving, the material in the initial state is more uniform, which is helpful for the subsequent heating and dissolving process, meanwhile, the arrangement of the ultrasonic transducers 8 and the ultrasonic generator 9 facilitates the crushing of the shellac particles before dissolving, and promotes the subsequent dissolving and mixing.
[0016] A plurality of heating cavities 10 are arranged on the inner wall of the dissolving cavity 4 from top to bottom, an electric heating pipe 11 is arranged in each of the heating cavities 10, a dissolving stirring mechanism is arranged in the dissolving cavity 4, the dissolving stirring mechanism includes a second stirring shaft 16 rotatably connected with the bottom center of the dissolving cavity 4, a second motor 17 arranged in the support seat 2, the bottom of the second stirring shaft 16 penetrates through the tank body 1 and is connected with the main shaft of the second motor 17 through a belt transmission, a first helical blade 18 and a second helical blade 19 in the form of a belt are respectively arranged on the outer wall of the second stirring shaft 16, a connecting rod 20 is arranged between the second helical blade 19 and the second stirring shaft 16, and second scrapers 22 are arranged on the top and bottom of the second stirring shaft 16 and configured to contact the inner wall of the dissolving cavity 4. The arrangement of the first helical blade 18 and the second helical blade 19 enhances the vertical conveying capacity of the material, improves the mixing effect, and prevents the material from settling.
[0017] The dissolving stirring mechanism is provided with an auxiliary heating mechanism, the second stirring shaft 16 and the connecting rod 20 are hollow and connected with each other, and the auxiliary heating mechanism includes a plurality of heating lining plates 21 arranged on the connecting rod 20. The arrangement of the segmented electric heating pipe 11 on the inner wall of the dissolving cavity 4 facilitates the segmented control of the temperature, meanwhile, the arrangement of the auxiliary heating mechanism facilitates the more uniform heating of the material during the dissolving process, and the dissolving and mixing effect is good.
[0018] The utility model discloses a work, lacca and solvent are entered respectively through corresponding feed inlet 6 into premixing chamber 3, first motor 13 works, and first stirring shaft 12 drives stirring blade 15 to rotate, and lacca and solvent are premixed, simultaneously, ultrasonic generator 9 and ultrasonic transducer 8 work, and ultrasonic transducer 8 passes through jar body 1 and transmits ultrasonic energy to the inside liquid, and lacca is broken, and after premixing is completed, passes through guide channel 5 and enters into dissolving chamber 4, and second motor 17 works, and second stirring shaft 16 drives first helical blade 18 and second helical blade 19 to rotate, and electric heating tube 11 and heating lining plate 21 are electrified and heated, and lacca is dissolved and mixes, and during the period, first scraper 14 scrapes off the inner wall of premixing chamber 3, and second scraper 22 scrapes off the inner wall of dissolving chamber 4, avoid that lacca is adhered on the inner wall, and after dissolving is completed, can be discharged through discharge port 7.
[0019] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, a particular orientation and operation, and therefore cannot be understood as limiting the utility model.
[0020] 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 as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.
[0021] In the utility model, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.
[0022] The utility model has been described exemplarily above in combination with the drawings, and obviously, the utility model is not limited by the above-mentioned mode in the specific implementation, and various improvements adopting the method concept and technical scheme of the utility model or direct application in other occasions without improvement are all within the protection scope of the utility model.
Claims
1. A shellac dissolving tank for shellac coating production, comprising a tank body (1) and a supporting seat (2) arranged at the bottom of the tank body (1), characterized in that, The upper part of the tank body (1) is provided with a premixing cavity (3), and the lower part is provided with a dissolving cavity (4). A material guiding channel (5) with a valve is arranged between the premixing cavity (3) and the dissolving cavity (4). The top of the tank body (1) is provided with a plurality of feeding ports (6) connected with the premixing cavity (3), and the bottom is provided with a discharging port (7) connected with the dissolving cavity (4). The premixing cavity (3) is provided with a premixing stirring mechanism. A plurality of ultrasonic transducers (8) are arranged on the outer wall of the premixing cavity (3) in a circumferential direction. An ultrasonic generator (9) is arranged on the support seat (2) and connected with the ultrasonic transducers (8). A plurality of heating cavities (10) are arranged on the inner wall of the dissolving cavity (4) from top to bottom. An electric heating tube (11) is arranged in the heating cavity (10). The dissolving cavity (4) is provided with a dissolving stirring mechanism. An auxiliary heating mechanism is arranged on the dissolving stirring mechanism.
2. A shellac dissolving tank for shellac coating production according to claim 1, characterized in that, The premixing stirring mechanism comprises a first stirring shaft (12) rotatably connected to the top center of the premixing cavity (3). The top of the tank body (1) is provided with a first motor (13) for driving the rotation of the first stirring shaft (12). The first stirring shaft (12) is provided with a first scraper (14) in contact with the inner wall of the premixing cavity (3) on the top and the bottom. A plurality of groups of stirring blades (15) are arranged on the outer wall of the first stirring shaft (12) from top to bottom.
3. A shellac dissolving tank for shellac coating production according to claim 2, characterized in that, The stirring blades (15) are arranged in a downwardly bent manner on the side away from the first stirring shaft (12).
4. The shellac dissolving tank for shellac coating production according to claim 1, characterized in that, The dissolving stirring mechanism comprises a second stirring shaft (16) rotatably connected to the bottom center of the dissolving cavity (4). A second motor (17) is arranged in the support seat (2). The bottom of the second stirring shaft (16) penetrates the tank body (1) and is connected with the main shaft of the second motor (17) through a belt drive. The outer wall of the second stirring shaft (16) is respectively provided with a first helical blade (18) and a second helical blade (19) in the form of a belt. A connecting rod (20) is arranged between the second helical blade (19) and the second stirring shaft (16). The top and the bottom of the second stirring shaft (16) are provided with a second scraper (22) in contact with the inner wall of the dissolving cavity (4).
5. A shellac dissolving tank for shellac coating production according to claim 4, characterized in that, The second stirring shaft (16) and the connecting rod (20) are hollow and connected with each other. The auxiliary heating mechanism comprises a plurality of heating lining plates (21) arranged on the connecting rod (20).