CN107744167B - Continuous coating machine and continuous coating method adopting same - Google Patents
Continuous coating machine and continuous coating method adopting same Download PDFInfo
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- CN107744167B CN107744167B CN201711148509.0A CN201711148509A CN107744167B CN 107744167 B CN107744167 B CN 107744167B CN 201711148509 A CN201711148509 A CN 201711148509A CN 107744167 B CN107744167 B CN 107744167B
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
- A23P20/00—Coating of foodstuffs; Coatings therefor; Making laminated, multi-layered, stuffed or hollow foodstuffs
- A23P20/10—Coating with edible coatings, e.g. with oils or fats
- A23P20/15—Apparatus or processes for coating with liquid or semi-liquid products
- A23P20/18—Apparatus or processes for coating with liquid or semi-liquid products by spray-coating, fluidised-bed coating or coating by casting
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J3/00—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms
- A61J3/005—Coating of tablets or the like
Abstract
A continuous coating machine and a continuous coating method adopting the continuous coating machine relate to a coating machine and a coating method. The invention aims to solve the problems of long time consumption, high energy consumption and low production efficiency of the existing coating machine when coating production is carried out on large batches of materials. The coating drum is in a long and thin cylinder shape with two open ends, is horizontally and rotatably hermetically arranged in a machine body, the wall of the coating drum is densely provided with through holes, the front end of the machine body is provided with a feeding pipe, the rear end of the machine body is provided with a discharging pipe, four corners of the bottom end of the machine body are respectively provided with a supporting leg, and a cylinder capable of controlling the machine body and the coating drum to lift is vertically arranged in the two supporting legs positioned at the front end of the machine body. The continuous feeding and discharging of the coating roller are realized, the coating of the materials is completed in the process of advancing from the inlet of the coating roller to the outlet of the coating roller, the continuous coating production of large batches of materials is realized, the production energy consumption is optimized, and the zero loss of production is realized. The invention is used for coating materials.
Description
Technical Field
The invention relates to a coating machine device and a coating method, in particular to a continuous coating machine and a continuous coating method adopting the continuous coating machine, and belongs to the field of pharmaceutical, food and chemical equipment.
Background
The coating machine in the prior art adopts a batch coating mode, namely, materials in fixed batches are conveyed into a coating drum for coating, the materials subjected to coating are discharged from the coating drum, and then the next materials are conveyed into the coating drum for coating, and the steps are repeated. When the amount of the material to be coated is relatively large, the material needs to be coated in multiple batches, which is long in time consumption, high in energy consumption and low in production efficiency. And a plurality of coating machines are adopted to carry out coating production simultaneously, so that the production time can be reduced, the production efficiency is improved, and the production cost and the equipment cost are improved.
In conclusion, the existing coating machine has the problems of long time consumption, high energy consumption and low production efficiency when coating production is carried out on large batches of materials.
Disclosure of Invention
The invention aims to solve the problems of long time consumption, high energy consumption and low production efficiency of the existing coating machine during coating production of mass materials. Further provides a continuous coating machine and a continuous coating method using the continuous coating machine.
The technical scheme of the invention is as follows: the continuous coating machine comprises a machine body, a coating roller and a motor for driving the coating roller to rotate, and further comprises a feeding pipe, a discharging pipe, supporting legs and a cylinder, wherein the coating roller is in a long and thin cylinder shape with openings at two ends, the coating roller is horizontally and rotatably and hermetically mounted in the machine body, through holes are densely distributed in the wall of the coating roller, the front end of the machine body is provided with the feeding pipe which extends into the coating roller from the outside of the machine body, the rear end of the machine body is provided with the discharging pipe which is communicated with the coating roller and extends out of the machine body, the supporting legs are mounted at four corners of the bottom end of the machine body, and the cylinder which can control the machine body and the coating roller to lift is vertically mounted in the two supporting legs positioned at the front end of the machine body.
Preferably, the continuous coating machine further comprises a plurality of kick-out devices, a spray gun mounting frame and spray guns, the kick-out devices are long, the cross sections of the kick-out devices are semicircular, the kick-out devices are fixedly mounted on the inner wall of the coating drum along the axial direction of the coating drum, the arc-shaped outer side arc surfaces of the kick-out devices point to the axis of the coating drum, and the kick-out devices are uniformly distributed along the radial direction of the coating drum.
Furthermore, the spray gun mounting rack is followed the front end and/or the rear end of organism are followed the axial from outside to inside of capsule cylinder stretches into in the capsule cylinder, from the front to the back equidistant install a plurality of spray gun on the spray gun mounting rack, the spray gun mounting rack is divided into a plurality of consecutive and same spray gun district from the past to the back, every include at least one in the spray gun district the spray gun, the quantity of spray gun mounting rack is two, one of them the spray gun mounting rack is followed the front end from outside to inside of organism stretches into in the capsule cylinder, another the spray gun mounting rack is followed the rear end from outside to inside of organism stretches into in the capsule cylinder, two the axis coincidence of spray gun mounting rack.
Furthermore, the continuous coating machine further comprises a front sleeve and a rear sleeve, through holes which are communicated with the coating drum and have the same size with the cross section of the coating drum are formed in the front wall and the rear wall of the machine body, both ends of the front sleeve and the rear sleeve are open, the front sleeve comprises a cylindrical drum wall and a front door matched with the cross section of the front end of the drum wall, the rear sleeve comprises a cylindrical drum wall and a rear door matched with the cross section of the rear end of the drum wall, the front sleeve is coaxially and hermetically communicated with the through holes in the front wall of the machine body, the rear sleeve is coaxially and hermetically communicated with the through holes in the rear wall of the machine body, the front door is hinged to the front end of the drum wall of the front sleeve and provided with a door lock, the rear door is hinged to the rear wall of the machine body through a connecting rod and provided with a door lock, the feeding pipe penetrates through the drum wall of the front sleeve and is hermetically connected with the drum wall of the front sleeve, and the discharging pipe is mounted on the drum wall of the rear sleeve and is communicated with the inside of the rear sleeve.
Preferably, the continuous coating machine further comprises two baffle plates, the baffle plates are crescent-shaped, the outer edges of the baffle plates are matched with the radial inner wall of the coating drum, one of the two baffle plates is a front baffle plate, the other baffle plate is a rear baffle plate, the front baffle plate is installed at the lower part of the front end in the coating drum, the front baffle plate is fixedly connected inside the machine body through a support rod, the outer edge of the front baffle plate is in clearance fit with the inner wall of the coating drum, an outlet of the feeding pipe extends to the rear side of the front baffle plate, the rear baffle plate is installed at the lower part of the rear end in the coating drum, the rear baffle plate is connected with the rear door through a link mechanism, the link mechanism at least comprises a horizontal link and a vertical link, the horizontal link vertically penetrates through the center of the rear door and is in rotation sealing fit with the rear door, one end of the horizontal link in the rear sleeve is fixedly connected with the top end of the vertical link, the bottom end of the vertical link is fixedly connected with the rear baffle plate, and the outer edge of the rear baffle plate is in clearance fit with the inner wall of the coating drum.
Generally, the space for accommodating the coating drum in the machine body is divided into a first cavity, a second cavity and a third cavity which are communicated in sequence from front to back, adjacent cavities are separated by a partition plate, a through hole for the coating drum to pass through is formed in the partition plate, the coating drum is in rotary sealing fit with the partition plate, and the spray gun mounted on the spray gun mounting frame is located in the second cavity.
Furthermore, the continuous coating machine further comprises a front axial positioning wheel/wheel set, a rear axial positioning wheel/wheel set and a supporting wheel/wheel set, wherein a radially outward front flange is arranged on the outer wall of the coating roller in the first cavity, a radially outward rear flange is arranged on the outer wall of the coating roller in the third cavity, the front axial positioning wheel/wheel set fixedly installed in the machine body is arranged in front of the front flange, the rear axial positioning wheel/wheel set fixedly installed in the machine body is arranged behind the rear flange, the wheel surface of the front axial positioning wheel/wheel set is tightly attached to the front wall of the front flange, and the wheel surface of the rear axial positioning wheel/wheel set is tightly attached to the rear wall of the rear flange. At least a supporting wheel/wheel set which is the same as the coating drum in the axial direction is arranged below the middle part of the coating drum, the supporting wheel/wheel set is arranged inside the machine body, and the wheel surface of the supporting wheel/wheel set is closely matched with the radial outer wall of the coating drum in a tangent mode.
The invention also provides a continuous coating method adopting the continuous coating machine, which sequentially comprises a starting process, a continuous coating process and a closing process,
the method comprises the following steps: a starting procedure: the method comprises the following steps of starting feeding of a coating roller and closing discharging of the coating roller in a batch coating mode, closing feeding of the coating roller when materials are paved on the bottom in the coating roller from front to back, and starting a coating machine to finish coating of the materials in the coating roller, so that the materials in the coating roller meet the requirements of a continuous coating mode;
step two: continuous coating process: adopting a continuous coating mode, simultaneously starting feeding and discharging of the coating roller, coating the materials continuously entering the coating roller, finishing coating when the materials move from an inlet of the coating roller to an outlet of the coating roller, and continuously discharging the coated materials from the coating roller;
step three: a closing process: and a batch coating mode is adopted, the feeding and discharging of the coating roller are closed simultaneously, the coating of the materials in the coating roller is completed, the discharging of the coating roller is started, and the complete discharging of the materials in the coating roller is realized.
Preferably, the start-up procedure comprises the following steps in sequence:
the method comprises the following steps: the front ends of the machine body and the coating roller are lifted up through the cylinder;
step two: opening the feed pipe to convey the materials into the coating drum until the materials are fully paved at the bottom in the coating drum from front to back, and closing the feed pipe;
step three: adjusting the rear baffle to a discharge closing station through the cylinder leveling machine body and the coating drum, namely, the central line of the rear baffle is vertical;
step four: starting a driving motor and an air inlet and exhaust cabinet of the coating drum, and simultaneously starting all spray guns to coat the materials in the coating drum;
step five: after the materials in the coating drum are coated, all spray guns are closed at the same time.
Preferably, the continuous coating process comprises the following steps in sequence:
the method comprises the following steps: adjusting the rear baffle to a continuous discharging station, namely, partially offsetting the rear baffle along the axis of the coating roller to close the discharging station;
step two: the front ends of the machine body and the coating roller are lifted up through the cylinder;
step three: simultaneously opening a feed pipe and a discharge pipe to realize continuous feeding and continuous discharging of the coating roller;
step four: and (3) sequentially opening the spray guns in each spray gun area from front to back according to the advancing speed of the materials in the coating drum to coat the materials continuously entering the coating drum, finishing coating in the process that the materials advance from the inlet of the coating drum to the outlet of the coating drum, and continuously discharging the coated materials from the discharge pipe to realize continuous coating of large-batch materials.
Preferably, the shutdown procedure comprises the following steps in sequence:
the method comprises the following steps: leveling the machine body and the coating drum through a cylinder;
step two: according to the advancing speed of the materials in the continuous coating procedure in the coating drum, closing the spray guns in each spray gun area from back to front in sequence to finish coating the materials in the coating drum;
step three: the machine body and the coating drum are lifted by the air cylinder, the rear baffle is adjusted to a final discharging station, namely the rear baffle is completely deviated along the axis of the coating drum to close the discharging station, and materials in the coating drum are quickly and completely discharged from the discharging pipe;
step four: and adjusting the rear baffle to reset, closing a driving motor of the coating roller and an air inlet and exhaust cabinet, and leveling the machine body and the coating roller through an air cylinder.
Compared with the prior art, the invention has the following effects:
1. the continuous coating production can be carried out on the materials, the coating drum continuously feeds and discharges materials, and the coating is finished in the process that the materials travel from the inlet of the coating drum to the outlet of the coating drum, so that compared with the traditional batch coating mode, the continuous production has the advantages of short time consumption, low energy consumption and at least 30% improvement of the production efficiency, and is particularly suitable for the coating production of mass materials;
2. the arrangement of the air cylinder is convenient for the lifting of the machine body and the front end of the coating roller, is beneficial to the material entering the coating roller to advance from the inlet of the coating roller to the outlet of the coating roller in the rotating process of the coating roller, and is also convenient for the conversion between a continuous coating mode and a batch coating mode;
3. the kick-out device is beneficial to turning over materials in the rotating process of the coating drum so that the materials are in full contact with the liquid sprayed by the spray gun, the coating effect and the coating efficiency are improved, and the shape of the kick-out device is designed so that the lifted or stirred materials can smoothly slide or roll on the kick-out device, thereby effectively avoiding the damage to the materials in the process of kick-out;
4. the two spray gun mounting frames are adopted and respectively extend into the coating drum from the front end and the rear end, and compared with the spray gun mounting frame, the spray gun mounting frame can effectively avoid deflection or deformation caused by overlong spray gun mounting frames;
5. the arrangement of the front baffle and the rear baffle can effectively ensure the accumulation of materials in the coating roller in the coating production process and avoid the abnormal overflow of the materials from the coating roller, and the position of the rear baffle is designed to be adjustable and is matched with the inclination angle of the coating roller, so that the continuous discharging and the batch complete discharging can be effectively controlled, and meanwhile, the conversion between the continuous coating mode and the batch coating mode is facilitated;
6. according to the invention, the first chamber, the second chamber, the third chamber and all spray guns are positioned in the second chamber, so that materials can be preheated in the first chamber before entering the second chamber for coating production in a continuous coating mode, the coating effect and efficiency are effectively improved, the materials coated in the second chamber can be cooled to a certain degree in the third chamber and then discharged through the discharge pipe, in addition, the transmission part of the coating roller is usually arranged in the first/third chamber and the machine body corresponding to the first/third chamber, the internal space of the machine body is divided into a plurality of chambers, and the transmission part and the support part in the machine body can be conveniently overhauled and the interior of the machine body can be conveniently cleaned;
7. the arrangement of the axial positioning wheel/wheel set can effectively avoid the coating roller from generating axial displacement when the front ends of the machine body and the coating roller are lifted;
8. the arrangement of the supporting wheel/wheel set can effectively avoid the deformation or waist collapse of the coating drum due to overlong;
9. the air outlet of the air inlet duct and the air inlet of the air outlet duct are designed, so that hot air from the air inlet duct can penetrate through the material in a direction nearly perpendicular to the upper surface of the material in the coating production process, and the drying efficiency of the material can be effectively improved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a rear view of the present invention;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is a perspective view of the baffle of the present invention;
FIG. 6 is a partial cross-sectional view of a tailgate and mounting structure according to the present invention;
FIG. 7 is a partial schematic view of the rear end of the housing of the present invention;
FIG. 8 is a front cross-sectional view of the present invention;
FIG. 9 is a partial schematic view of the support wheel/wheel assembly and the coating drum of the present invention;
FIG. 10 is a partial schematic view of the axial positioning wheel/wheel set and the coating drum of the present invention.
Detailed Description
For the convenience of description of the continuous coating machine of the present invention, the feeding direction of the continuous coating machine is defined as front, the discharging direction of the continuous coating machine is defined as rear, and the left and right directions are determined accordingly.
The first embodiment is as follows: the continuous coating machine of the present embodiment is described with reference to fig. 1 to 4, and includes a machine body 1, a coating drum 2 and a motor 3 for driving the coating drum to rotate along an axis, wherein the transmission between the motor and the coating drum may be a belt transmission, a gear transmission or other suitable transmission, and generally, the coating drum rotates clockwise during coating production. The continuous coating machine further comprises a feed pipe 4, a discharge pipe 5, a support leg 6 and a cylinder 7, and the coating drum is in the shape of an elongated cylinder with both ends open, and is generally not less than 1.6m long and not less than 0.27m in diameter. The coating drum is horizontally and rotatably installed in the machine body in a sealing mode, through holes are densely distributed in the wall of the coating drum, an inlet pipe extending into the coating drum from the outside of the machine body is arranged at the front end of the machine body so as to convey materials to be coated into the coating drum, a discharge pipe communicated with the coating drum and extending out of the machine body is arranged at the rear end of the machine body so as to discharge the materials subjected to coating out of the coating drum, the supporting legs are installed at four corners of the bottom end of the machine body, and the air cylinders capable of controlling the machine body and the coating drum to ascend and descend are vertically installed in the two supporting legs located at the front end of the machine body.
The continuous coating machine can carry out continuous coating production on materials by the continuous coating method, the coating drum continuously feeds materials and continuously discharges materials, and the materials are coated in the process of advancing from the inlet of the coating drum to the outlet of the coating drum.
The arrangement of the air cylinder of the invention is convenient for the lifting of the machine body and the front end of the coating drum, is beneficial to the material entering the coating drum to advance from the inlet of the coating drum to the outlet of the coating drum in the rotating process of the coating drum, and is also convenient for the conversion between the continuous coating mode and the batch coating mode.
The central controller is used for uniformly controlling parameter variables such as the rotating speed of the coating drum, the opening and closing time of the spray gun, the flow and the spraying duration of the spray gun, the speed and the feeding amount of materials continuously entering the coating drum, the lifting height of the front end of the coating drum and the machine body in the coating production process, so that the parameter variables are optimally matched, the continuous coating production and the lowest energy consumption production of the materials are finally realized, and the production efficiency and the coating effect are effectively ensured.
The second embodiment is as follows: the continuous coating machine of the present embodiment is described with reference to fig. 4, fig. 8, fig. 9 and fig. 10, and further includes a plurality of kick-out devices 8, the kick-out devices are long and generally slightly shorter than the coating drum, the cross sections of the kick-out devices are semicircular, the kick-out devices are fixedly mounted on the inner wall of the coating drum along the axial direction of the coating drum, the arc-shaped outer side arc surfaces of the kick-out devices point to the axis of the coating drum, the number of the kick-out devices is generally six, and the kick-out devices are uniformly distributed along the radial direction of the coating drum. The setting of setting aside the ware helps overturning the material at the rotation in-process of coating cylinder to make the material fully contact with the hydrojet of spray gun, improve capsule effect and capsule efficiency, the design of the shape of setting aside the ware, make its promotion or the material of stirring slide or roll on it smoothly, effectively avoid causing the damage to the material at the setting aside the material in-process. Other components and connections are the same as those in the first embodiment.
The third concrete implementation mode: the continuous coating machine of the embodiment is described with reference to fig. 1-4, and further includes a spray gun mounting rack 9 and spray guns 10, the spray gun mounting rack extends into the coating drum from outside to inside along the axial direction of the coating drum from the front end and/or the rear end of the machine body, a plurality of spray guns are mounted on the spray gun mounting rack at equal intervals from front to back, the spray gun mounting rack is divided into a plurality of sequentially connected and identical spray gun zones from front to back, each spray gun zone includes at least one spray gun, each spray gun is independently controlled, the spraying direction of each spray gun points to the stacking direction of the materials inside the coating drum when the coating drum rotates, and the liquid medicine sprayed by the spray guns is generally in a cone shape so as to spray the medicine to the surface of the materials more uniformly and achieve the coating effect better. Usually, the spray gun mounting bracket is equipped with the support frame, the support frame includes horizontal support frame 11 and vertical support frame 12, horizontal support frame with spray gun mounting bracket parallel arrangement, vertical support frame's upper and lower both ends respectively with the end connection of horizontal support frame and spray gun mounting bracket, horizontal support frame and vertical support frame constitute the "U" type of transversal arrangement installation, the opening orientation of the "U" type that the three constitutes the capsule cylinder direction, the top of organism be equipped with horizontal support frame matched with slide rail, the slide rail can include two assembly pulleys, every assembly pulley includes the pulley of two upper and lower correspondences installation, horizontal support frame is installed between two pulleys, and closely cooperates with the wheel face of two pulleys, the axis of pulley with horizontal support frame is perpendicular, so design, can be through the pulling or promote vertical support frame will the spray gun mounting bracket is followed pull out or push back in the capsule cylinder, be convenient for right the spray gun overhauls or changes and overhaul the inside of capsule cylinder. Other components and connection relationships are the same as those in the first or second embodiment.
The fourth concrete implementation mode: referring to fig. 4, the number of the gun mounts of this embodiment is two, one gun mount extends from the front end of the machine body from the outside to the inside into the coating drum, the other gun mount extends from the rear end of the machine body from the outside to the inside into the coating drum, and the axes of the two gun mounts coincide. So design, compare in adopting a spray gun mounting bracket and can effectively avoid producing amount of deflection or warping because the spray gun mounting bracket overlength. Other components and connection relationships are the same as those in the first, second or third embodiment.
The fifth concrete implementation mode: the continuous coating machine of the present embodiment is described with reference to fig. 1 to 4, and further includes a front sleeve 13 and a rear sleeve 14, through holes communicated with the coating drum and having the same size as the cross section of the coating drum are formed in both the front wall and the rear wall of the machine body, both ends of the front sleeve and the rear sleeve are open, the front sleeve includes a cylindrical drum wall and a front door 15 matched with the cross section of the front end of the drum wall, the rear sleeve includes a cylindrical drum wall and a rear door 16 matched with the cross section of the rear end of the drum wall, the front sleeve is coaxially and hermetically communicated with the through hole in the front wall of the machine body, the rear sleeve is coaxially and hermetically communicated with the through hole in the rear wall of the machine body, the front door is hinged to the front end of the drum wall of the front sleeve and is provided with a door lock, the rear door is hinged to the rear wall of the machine body through a connecting rod and provided with a door lock, the hinge structure between the rear door and the rear wall of the machine body generally includes a first connecting rod 17, a second connecting rod 18, a rotating shaft 19 and two shaft seats 20, one end of the first connecting rod is connected to the upper end of the second connecting rod, and the second connecting rod is connected to the upper end of the rear shaft seat. The feeding pipe penetrates through the barrel wall of the front sleeve and is in sealing connection with the barrel wall of the front sleeve, and the discharging pipe is installed at the bottom of the barrel wall of the rear sleeve and is communicated with the interior of the rear sleeve. The two spray gun mounting frames respectively extend into the coating drum from the front door and the rear door, openings capable of accommodating the vertical supporting frames are formed in the wall of the front sleeve and the wall of the rear sleeve, and the vertical supporting frames are in sliding sealing fit with the openings. Transparent observation windows are usually provided on the front and rear doors to observe the production conditions inside the coating drum during the production process. Other components and connections are the same as those of the first, second, third or fourth embodiments.
The sixth specific implementation mode: the continuous coating machine of the present embodiment further includes two baffles 21, the baffles are crescent-shaped, the outer edge of the baffle is matched with the radial inner wall of the coating drum, the outer side surface of the baffle facing the outer side of the coating drum is a vertical plane, the inner side surface of the baffle facing the inner side of the coating drum is an inclined plane inclined from the outer edge to the inner edge from inside to outside, that is, the inner side surface of the baffle is a side surface shape of a partial circular truncated cone. One of the two baffles is a front baffle 22, the other baffle is a rear baffle 23, the front baffle 22 is installed at the lower part of the front end in the coating drum, the central line of the front baffle 22 is vertical, the front baffle 22 is fixedly connected inside the machine body through a support rod, the outer edge of the front baffle 22 is in clearance fit with the inner wall of the coating drum, the gap between the front baffle 22 and the inner wall of the coating drum is smaller than the particle size of the material, the material is prevented from leaking from the gap, the outlet of the inlet pipe extends to the rear of the front baffle 22, so that the material from the inlet pipe can smoothly enter the coating drum behind the front baffle 22, the rear baffle 23 is installed at the lower part of the rear end in the coating drum, the central line of the rear baffle 23 is vertical, the rear baffle 23 is connected with the rear door through a link mechanism, the link mechanism at least comprises a horizontal link 24 and a vertical link 25, the horizontal link vertically penetrates through the center of the rear door and is in rotation sealing fit with the rear door, one end of the horizontal link is fixedly connected with the top end of the vertical link, the bottom end of the vertical link is fixedly connected with the rear baffle 23, the outer edge of the rear baffle 23 is in clearance fit with the inner wall of the coating drum, the adjustable baffle 23, the gap is smaller than the axis of the coating drum, and the axis of the rear baffle 23, and the adjustable gap is designed for preventing the coating drum from rotating offset of the gap, and the coating drum, and the gap of the rear baffle 23. The arrangement of the front baffle 22 and the rear baffle 23 can effectively ensure the accumulation of materials in the coating drum in the coating production process and avoid the abnormal overflow of the materials from the coating drum, and the position of the rear baffle 23 is designed to be adjustable and is matched with the inclination angle of the coating drum, so that the continuous discharging and the batch complete discharging can be effectively controlled, and the conversion between the continuous coating mode and the batch coating mode is facilitated. Other components and connection relationships are the same as those in the first, second, third, fourth or fifth embodiment.
The seventh embodiment: the embodiment is described with reference to fig. 4, a space in the body of the embodiment, which accommodates the coating drum, is divided into a first chamber 26, a second chamber 27 and a third chamber 28, which are sequentially communicated from front to back, adjacent chambers are separated by a partition, a through hole through which the coating drum can pass is formed in the partition, the coating drum and the partition are in rotating sealing fit, spray guns mounted on the spray gun mounting frame are all located in the second chamber, and the spray range of the spray guns in the second chamber, which are close to the two ends of the second chamber, can cover the edges of the two ends of the second chamber, so as to ensure the coating effect of the material entering the second chamber. According to the invention, the first chamber, the second chamber, the third chamber and all spray guns are arranged in the second chamber, so that in a continuous coating mode, materials can be preheated in the first chamber before entering the second chamber for coating production, the coating effect and efficiency are effectively improved, the materials coated in the second chamber can be cooled to a certain degree in the third chamber and then discharged through the discharge pipe, in addition, the transmission part of the coating roller is usually arranged in the first/third chamber and the machine body corresponding to the first/third chamber, the internal space of the machine body is divided into a plurality of chambers, and the transmission part and the support part in the machine body can be conveniently overhauled and the interior of the machine body can be conveniently cleaned. Other components and connection relationships are the same as those in the first, second, third, fourth, fifth or sixth embodiment.
The specific implementation mode is eight: referring to fig. 10, the continuous coating machine of the present embodiment further includes an axial positioning wheel/wheel set 29, the axial positioning wheel/wheel set is divided into a front axial positioning wheel/wheel set and a rear axial positioning wheel/wheel set, a radially outward front flange is disposed on the outer wall of the coating drum in the first chamber, a radially outward rear flange is disposed on the outer wall of the coating drum in the third chamber, a front axial positioning wheel/wheel set fixedly mounted inside the machine body is disposed in front of the front flange, a rear axial positioning wheel/wheel set fixedly mounted inside the machine body is disposed behind the rear flange, a wheel surface of the front axial positioning wheel/wheel set is closely attached to the front wall of the front flange, a wheel surface of the rear axial positioning wheel/wheel set is closely attached to the rear wall of the rear flange, of course, the axial positioning wheel/wheel set may also be disposed as follows, the front axial positioning wheel/wheel set is mounted behind the front flange, the rear axial positioning wheel/wheel set is mounted in front of the rear flange, the front axial positioning wheel/wheel set is closely attached to the front wall of the rear flange, and the rear axial positioning wheel/wheel set is closely attached to the front flange. The arrangement of the axial positioning wheel/wheel set can effectively avoid the coating roller from generating axial displacement when the front end of the machine body and the coating roller are lifted. Usually, the axial positioning of the coating drum takes the form of an axial positioning wheel set, which includes two axial positioning wheels arranged symmetrically left and right, so as to more firmly realize the axial positioning of the coating drum. Other components and connection relations are the same as those of the first, second, third, fourth, fifth, sixth or seventh embodiment.
The specific implementation method nine: referring to fig. 9, the continuous coating machine of the present embodiment further includes a supporting wheel/wheel set 30, at least a supporting wheel/wheel set axially identical to the coating drum is disposed below the middle portion of the coating drum, the supporting wheel/wheel set is mounted inside the machine body, and a wheel surface of the supporting wheel/wheel set is in close and tangential fit with a radial outer wall of the coating drum. The arrangement of the supporting wheel/wheel set can effectively avoid the deformation or waist collapse of the coating roller caused by overlong. The support for the coating drum is usually in the form of support wheel sets, which include support wheels symmetrically arranged and installed at left and right sides, and the number of the support wheel sets is preferably three, and the support wheel sets are respectively installed at the front end, the middle part and the rear end of the coating drum, so that the support for the coating drum can be more stably realized. Other components and connection relationships are the same as those of the first, second, third, fourth, fifth, sixth, seventh or eighth embodiment.
The detailed implementation mode is ten: the continuous coating machine of the present embodiment is described with reference to fig. 8, and further includes an air intake duct 31 and an air exhaust duct 32, both the air intake duct and the air exhaust duct extend from the outside of the machine body into the interior of the machine body, the air intake duct and the air exhaust duct are hermetically connected to the machine body, both the air outlet of the air intake duct and the air inlet of the air exhaust duct point to the side wall of the coating drum located in the second chamber, the air outlet of the air intake duct and the air inlet of the air exhaust duct are located at the left and right sides of the coating drum, respectively, the air outlet of the air intake duct is located at the same side of the coating drum as the rotation direction thereof, the air inlet of the air exhaust duct is located at the opposite side of the coating drum as the rotation direction thereof, the air outlet of the air intake duct is higher than the air inlet of the air exhaust duct, the air inlet of the air intake duct is connected to the air intake cabinet, and the air outlet of the air exhaust duct is connected to the cabinet. The air outlet of the air inlet duct and the air inlet of the air exhaust duct are designed, so that hot air from the air inlet duct can penetrate through the material in a direction nearly perpendicular to the upper surface of the material in the coating production process, and the drying efficiency of the material can be effectively improved. Other components and connection relations are the same as those of the first, second, third, fourth, fifth, sixth, seventh, eighth or ninth embodiment.
The concrete implementation mode eleven: the continuous coating method used by the continuous coating machine of the present embodiment includes a start-up process, a continuous coating process, and a shut-down process in this order,
the method comprises the following steps: starting up the process comprises the following steps: the method comprises the following steps of starting feeding of a coating roller and closing discharging of the coating roller in a batch coating mode, closing feeding of the coating roller when materials are paved on the bottom in the coating roller from front to back, and starting a coating machine to finish coating of the materials in the coating roller, so that the materials in the coating roller meet the requirements of a continuous coating mode;
step two: continuous coating process: adopting a continuous coating mode, adjusting the inclination angle of the coating roller, simultaneously starting feeding and discharging of the coating roller, coating the materials continuously entering the coating roller, finishing coating in the process that the materials move from the inlet of the coating roller to the outlet of the coating roller, and continuously discharging the coated materials from the coating roller;
step three: a closing process: and a batch coating mode is adopted, the feeding and discharging of the coating roller are closed simultaneously, the coating of the materials in the coating roller is completed, the discharging of the coating roller is started, and the complete discharging of the materials in the coating roller is realized.
The specific implementation mode twelve: the present embodiment is described with reference to fig. 1 to 10, and the startup process of the present embodiment sequentially includes the steps of:
the method comprises the following steps: the front ends of the machine body and the coating roller are lifted up through the cylinder;
step two: opening the feeding pipe to convey the materials into the coating roller until the materials are fully paved at the bottom of the coating roller from front to back (the materials can be uniformly paved at the bottom of the coating roller by rotating the coating roller and matching with the inclination angle of the coating roller), and closing the feeding pipe;
step three: the rear baffle 23 is adjusted to a closed discharging station through the cylinder leveling machine body and the coating drum, namely the central line of the rear baffle 23 is vertical;
step four: starting a driving motor and an air inlet cabinet and an air outlet cabinet of the coating drum, and simultaneously starting all spray guns to coat the materials in the coating drum;
step five: after the materials in the coating drum are coated, all spray guns are closed at the same time. Other components and connections are the same as those of the first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth or eleventh embodiment.
The specific implementation mode is thirteen: the present embodiment will be described with reference to fig. 1 to 10, and the continuous coating process of the present embodiment sequentially includes the following steps:
the method comprises the following steps: adjusting the rear baffle 23 to a continuous discharging station, namely partially shifting the rear baffle 23 along the axis of the coating drum to close the discharging station;
step two: the front ends of the machine body and the coating roller are lifted up through the cylinder;
step three: simultaneously opening a feed pipe and a discharge pipe to realize continuous feeding and continuous discharging of the coating roller;
step four: and (3) sequentially opening the spray guns in each spray gun area from front to back according to the advancing speed of the materials in the coating drum to coat the materials which continuously and newly enter the coating drum, gradually discharging the materials which have been coated in the starting process from the discharge pipe along with the materials to be coated, finishing coating in the process that the materials which newly enter the coating drum advance from the inlet of the coating drum to the outlet of the coating drum, and continuously discharging the materials which are finished coating from the discharge pipe to realize continuous coating of large-batch materials. Other components and connections are the same as those of the first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh or twelfth embodiment.
The specific implementation mode is fourteen: the present embodiment is described with reference to fig. 1 to 10, and the shutdown process of the present embodiment sequentially includes the steps of:
the method comprises the following steps: leveling the machine body and the coating roller through the air cylinder, wherein the coating degree of the materials in the coating roller is gradually increased from front to back, namely the coating degree of the materials behind is higher than that of the materials in front;
step two: according to the advancing speed of the materials in the continuous coating process in the coating drum, closing the spray guns in each spray gun area from back to front in sequence to finish coating the materials in the coating drum, wherein the materials in the coating drum finish coating gradually from back to front in the process;
step three: the machine body and the coating roller are lifted by the air cylinder (the angle is usually larger than the lifting angle of the machine body and the coating roller in the continuous coating process), the rear baffle 23 is adjusted to a final discharging station, namely the rear baffle 23 is completely deviated along the axis of the coating roller to close the discharging station, and the materials in the coating roller are quickly and completely discharged from the discharging pipe;
step four: and adjusting the rear baffle 23 to reset, closing a driving motor and an air inlet and exhaust cabinet of the coating roller, and leveling the machine body and the coating roller through the air cylinder to finish a period of continuous coating production. Other components and connection relationships are the same as those in the first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, twelfth or thirteenth embodiment.
Generally, the start-up procedure is mainly directed to the batch that first fills the coating drum when the continuous coating production starts, and the shut-down procedure is mainly directed to the batch that last fills the coating drum when the continuous coating production is about to end. The continuous coating machine provided by the invention is matched with a continuous coating method, and can realize continuous coating production of mass materials through optimal matching control of the central controller, and meanwhile, the production energy consumption is most reasonable, and the production zero loss is realized.
Claims (10)
1. A continuous coating machine comprises a machine body (1), a coating roller (2) and a motor (3) for driving the coating roller (2) to rotate, and is characterized in that: it still includes inlet pipe (4), discharging pipe (5), supporting leg (6) and cylinder (7), coating drum (2) are both ends open-ended long and thin tube-shape, coating drum (2) level rotation ground seal installation is in organism (1), it has the through-hole to gather on the section of thick bamboo wall of coating drum (2), the front end of organism (1) is equipped with from organism (1) outer inlet pipe (4) that extend to in coating drum (2), the rear end of organism (1) is equipped with and communicates with coating drum (2) and extend to organism (1) outer discharging pipe (5), supporting leg (6) are all installed in the four corners of the bottom of organism (1), wherein be located in two (6) of the front end of organism (1) vertical cylinder (7) of installing steerable organism (1) and coating drum (2) lift.
2. The continuous coater of claim 1, wherein: the coating machine is characterized by further comprising a plurality of kick-out devices (8), a spray gun mounting frame (9) and spray guns (10), wherein the kick-out devices (8) are long-strip-shaped, the cross sections of the kick-out devices (8) are semicircular, the kick-out devices (8) are fixedly mounted on the inner wall of the coating drum (2) along the axial direction of the coating drum (2), the arc-shaped outer side cambered surfaces of the kick-out devices (8) point to the axis of the coating drum (2), and the kick-out devices (8) are uniformly distributed along the radial direction of the coating drum (2);
spray gun mounting bracket (9) is from the axial of the front end of body (1) and/or rear end along coating drum (2) from outside to inside stretch into in coating drum (2), from preceding to equidistant a plurality of spray guns (10) of installing in back on spray gun mounting bracket (9), spray gun mounting bracket (9) are divided into a plurality of consecutive and the same spray gun district from the front to the back, include at least one spray gun (10) in every spray gun district, the quantity of spray gun mounting bracket (9) is two, one of them spray gun mounting bracket (9) stretches into coating drum (2) from outside to inside from the front end of body (1), another spray gun mounting bracket (9) stretches into coating drum (2) from the rear end of body (1) from outside to inside, the axis coincidence of two spray gun mounting brackets (9).
3. The continuous coater of claim 2, wherein: the automatic packaging machine further comprises a front sleeve (13) and a rear sleeve (14), through holes which are communicated with the coating drum (2) and are the same as the cross section of the coating drum (2) in size are formed in the front wall and the rear wall of the machine body (1), both ends of the front sleeve (13) and the rear sleeve (14) are open, the front sleeve (13) comprises a cylindrical drum wall and a front door (15) which is matched with the cross section of the front end of the drum wall in size, the rear sleeve (14) comprises a cylindrical drum wall and a rear door (16) which is matched with the cross section of the rear end of the drum wall, the front sleeve (13) is coaxially and hermetically communicated with the through holes in the front wall of the machine body (1), the rear sleeve (14) is coaxially and hermetically communicated with the through holes in the rear wall of the machine body (1), the front door (15) is hinged to the front end of the drum wall of the front sleeve (13) and provided with a door lock, the rear door (16) is hinged to the rear wall of the machine body (1) through a connecting rod and provided with a door lock, a feeding pipe (4) penetrates through the drum wall of the front sleeve (13) and is hermetically connected with the interior of the rear sleeve (14).
4. The continuous coater of claim 3, wherein: it still includes two baffles (21), baffle (21) are crescent, the outer fringe of baffle (21) cooperatees with the radial inner wall of capsule cylinder (2), one of two baffles (21) is preceding baffle (22), another is backplate (23), the front end lower part in capsule cylinder (2) is installed to preceding baffle (22), preceding baffle (22) are through bracing piece fixed connection inside organism (1), the outer fringe of preceding baffle (22) and the inner wall clearance fit of capsule cylinder (2), the export of inlet pipe (4) extends to the rear of preceding baffle (22), backplate (23) are installed in the rear end lower part in capsule cylinder (2), backplate (23) pass through link mechanism and connect back door (16), link mechanism includes horizontal connecting rod and vertical connecting rod at least, horizontal connecting rod vertically passes the center of back door (16) and rotates between back door (16) sealing cooperation, the top of the one end fixed connection vertical connecting rod of horizontal connecting rod in back sleeve (14), the bottom fixed connection vertical connecting rod's bottom end is connected the outer fringe of backplate (23) and the clearance fit of capsule cylinder (2).
5. The continuous coating machine according to claim 4, characterized in that: the space of accommodating the coating roller (2) in the machine body (1) is divided into a first cavity (26), a second cavity (27) and a third cavity (28) which are communicated in sequence from front to back, adjacent cavities are separated by a partition plate, a through hole for the coating roller (2) to pass through is formed in the partition plate, the coating roller (2) and the partition plate are in rotary sealing fit, and the spray gun (10) installed on the spray gun mounting frame (9) is located in the second cavity (27).
6. The continuous coater of claim 5, wherein: the coating machine also comprises a front axial positioning wheel/wheel set (29), a rear axial positioning wheel/wheel set and a supporting wheel/wheel set (30), wherein a radial outward front flange is arranged on the outer wall of the coating drum (2) positioned in the first chamber (26), a radial outward rear flange is arranged on the outer wall of the coating drum (2) positioned in the third chamber (28), the front axial positioning wheel/wheel set (29) fixedly installed in the machine body (1) is arranged in front of the front flange, the rear axial positioning wheel/wheel set fixedly installed in the machine body (1) is arranged behind the rear flange, the wheel surface of the front axial positioning wheel/wheel set (29) is tightly attached to the front wall of the front flange, the wheel surface of the rear axial positioning wheel/wheel set is tightly attached to the rear wall of the rear flange,
a supporting wheel/wheel set (30) which is the same as the coating drum (2) in the axial direction is arranged below the middle part of the coating drum (2), the supporting wheel/wheel set (30) is arranged inside the machine body (1), and the wheel surface of the supporting wheel/wheel set (30) is closely attached to the radial outer wall of the coating drum (2) and is in tangent fit with the radial outer wall of the coating drum.
7. The coating method using the continuous coating machine according to any one of claims 1 to 6, wherein: it comprises the following steps:
the method comprises the following steps: a starting procedure:
the method is characterized in that a batch coating mode is adopted, feeding of a coating roller (2) is started, discharging of the coating roller (2) is closed, when materials are fully paved at the bottom in the coating roller (2) from front to back, feeding of the coating roller (2) is closed, a coating machine is started to finish coating of the materials in the coating roller (2), and the materials in the coating roller (2) meet the requirements of a continuous coating mode;
step two: continuous coating process:
a continuous coating mode is adopted, the feeding and the discharging of the coating drum (2) are started simultaneously, the materials continuously entering the coating drum (2) are coated, the coating is completed in the process that the materials move from the inlet of the coating drum (2) to the outlet of the coating drum (2), and the materials completing the coating are continuously discharged from the coating drum;
step three: a closing process:
and a batch coating mode is adopted, the feeding and discharging of the coating roller (2) are closed simultaneously, the coating of the materials in the coating roller (2) is completed, the discharging of the coating roller (2) is started, and the complete discharging of the materials in the coating roller (2) is realized.
8. A coating process according to claim 7, wherein: the starting procedure comprises the following steps in sequence:
the method comprises the following steps: the front ends of the machine body (1) and the coating roller (2) are lifted up through the air cylinder (7);
step two: opening the feed pipe (4) to convey materials into the coating drum (2) until the materials are paved on the bottom of the coating drum (2) from front to back, and closing the feed pipe (5);
step three: leveling the machine body (1) and the coating roller (2) through the air cylinder (7), and adjusting the rear baffle (23) to a closed discharging station, namely, the central line of the rear baffle (23) is vertical;
step four: starting a driving motor (3) and an air inlet cabinet and an air outlet cabinet of the coating drum (2), and simultaneously starting all spray guns (10) to coat the materials in the coating drum (2);
step five: after the materials in the coating drum (2) are coated, all the spray guns (10) are closed at the same time.
9. A coating process according to claim 8, wherein: the continuous coating process comprises the following steps in sequence:
the method comprises the following steps: adjusting the rear baffle (23) to a continuous discharging station, namely partially offsetting the rear baffle (23) along the axis of the coating drum (2) to close the discharging station;
step two: the front ends of the machine body (1) and the coating roller (2) are lifted up through the air cylinder (7);
step three: simultaneously opening the feeding pipe (4) and the discharging pipe (5) to realize the continuous feeding and the continuous discharging of the coating roller (2);
step four: the spray guns (10) in each spray gun area are sequentially opened from front to back according to the advancing speed of the materials in the coating drum (2), the materials continuously entering the coating drum (2) are coated, the coating is completed in the process that the materials advance from the inlet of the coating drum (2) to the outlet of the coating drum (2), the coated materials are continuously discharged from the discharge pipe (5), and the continuous coating of large batches of materials is realized.
10. A coating process according to claim 9, wherein: the shutdown procedure comprises the following steps in sequence:
the method comprises the following steps: the machine body (1) and the coating roller (2) are leveled through the air cylinder (7);
step two: according to the advancing speed of the materials in the continuous coating process in the coating drum (2), closing the spray guns (10) in each spray gun area from back to front in sequence to finish coating the materials in the coating drum (2);
step three: the machine body (1) and the coating roller (2) are lifted through the air cylinder (7), the rear baffle (23) is adjusted to a final discharging station, namely the rear baffle (23) is completely deviated along the axis of the coating roller (2) to close the discharging station, and materials in the coating roller (2) are quickly and completely discharged from the discharging pipe (5);
step four: the rear baffle (23) is adjusted to reset, the driving motor (3) and the air inlet and exhaust cabinets of the coating roller (2) are closed, and the machine body (1) and the coating roller (2) are leveled through the air cylinder (7).
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| CN110856690A (en) * | 2018-08-22 | 2020-03-03 | 深圳善康医疗健康产业有限公司 | Implant diolame and drying device |
| CN109382273A (en) * | 2018-12-10 | 2019-02-26 | 南京火燥机械科技有限公司 | A kind of continous way seed-coating machine |
| CN109534914B (en) * | 2019-01-16 | 2023-09-15 | 北京市农林科学院 | Coating equipment and special coating tower thereof |
| CN110575396B (en) * | 2019-08-09 | 2021-08-03 | 刘杨 | A equipment for chinese-medicinal material decocte is drawed |
| CN112137145B (en) * | 2020-10-09 | 2022-08-12 | 济宁伟士达科技发展有限公司 | Multifunctional powder wrapping equipment for roasted food |
| CN112586788B (en) * | 2020-11-24 | 2022-04-12 | 安徽百盛药业有限公司 | Health food production capsule device |
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| US5498441A (en) * | 1990-11-05 | 1996-03-12 | Mcneil-Ppc | Method and apparatus for creating a gelatin coating on a tablet |
| US5433964A (en) * | 1991-08-06 | 1995-07-18 | Borden, Inc. | Process of coating strandula food |
| EP1871542B1 (en) * | 2005-04-12 | 2012-03-28 | O'Hara Technologies Inc. | Continuous feed tablet coating system |
| CN2902285Y (en) * | 2006-04-21 | 2007-05-23 | 成都永泰制药化工机械厂 | Machine for medicine coating and granulating |
| US8887659B2 (en) * | 2007-02-21 | 2014-11-18 | Glaxosmithkline Llc | Continuous coating of pellets |
| CN205017814U (en) * | 2015-09-08 | 2016-02-10 | 哈尔滨理工大学 | Seed coating machine based on two atomizing device |
| CN208338852U (en) * | 2017-11-17 | 2019-01-08 | 哈尔滨纳诺机械设备有限公司 | A kind of continous way seed-coating machine |
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