CN107744167B - Continuous coating machine and continuous coating method adopting same - Google Patents

Abstract

A continuous coating machine and a continuous coating method using the continuous coating machine relate to a coating machine and a coating method. The present invention aims to solve the problems of long time consumption, large energy consumption and low production efficiency when the existing coating machine coats large batches of materials. The coating drum of the present invention is in the shape of a slender cylinder with openings at both ends, and is sealed and installed in the body in a horizontally rotating manner. The wall of the coating drum is densely covered with through holes, the front end of the body is provided with a feeding pipe, and the rear end of the body There is a discharge pipe, and the four corners of the bottom of the body are equipped with supporting legs, and the two supporting legs at the front end of the body are vertically installed with cylinders that can control the lifting of the body and the coating roller. Through the continuous feeding and discharging of the coating drum, the coating is completed when the material travels from the inlet of the coating drum to the outlet of the coating drum, which realizes the continuous coating production of large quantities of materials, and at the same time makes the production energy consumption the most reasonable and realizes Production "zero loss". The invention is used for material coating.

Description

Continuous coating machine and continuous coating method using the continuous coating machine

technical field

The invention relates to a coating machine equipment and a coating method, in particular to a continuous coating machine and a continuous coating method using the continuous coating machine, belonging to the fields of pharmaceutical, food and chemical equipment.

Background technique

The coating machines in the prior art all adopt the batch coating mode, that is, a fixed batch of materials is transported to the coating drum for coating, and the coated materials are discharged from the coating drum, and then the next batch of materials is Transport to the coating drum for coating, so repeatedly. When the amount of material to be coated is relatively large, it needs to be divided into multiple batches for coating, which takes a long time, consumes a lot of energy, and the production efficiency is not high. The use of multiple coating machines for coating production at the same time, although it can reduce production time and improve production efficiency, has brought about an increase in production costs and equipment costs.

To sum up, the existing coating machines have the problems of long time consumption, high energy consumption and low production efficiency when coating large quantities of materials.

Contents of the invention

The purpose of the present invention is to solve the problems of long time consumption, large energy consumption and low production efficiency when the existing coating machine coats large batches of materials. Furthermore, a continuous coating machine and a continuous coating method using the continuous coating machine are provided.

The technical scheme of the present invention is: a continuous coating machine, which includes a body, a coating drum and a motor that drives the rotation of the coating drum, and it also includes a feed pipe, a discharge pipe, support legs and an air cylinder. The coating drum is in the shape of a slender cylinder with openings at both ends. The coating drum is horizontally and rotatably sealed and installed in the body. The wall of the coating drum is densely covered with through holes. The front end of the body is equipped with There is a feed pipe extending from the outside of the body to the coating drum, and the rear end of the body is provided with a discharge pipe that communicates with the coating drum and extends to the outside of the body. The four corners of the bottom end are all equipped with the support legs, wherein the two support legs located at the front end of the body are vertically installed with the cylinder that can control the lifting of the body and the coating roller.

Preferably, the continuous coating machine also includes a plurality of feeders, a spray gun mounting frame and a spray gun, the feeder is in the shape of a strip, and the cross section of the feeder is semicircular, so The feeder is fixedly installed on the inner wall of the coating drum along the axial direction of the coating drum, and the arc-shaped outer arc surface of the feeder points to the axis of the coating drum. The agitators are evenly distributed along the radial direction of the coating drum.

Further, the spray gun mounting frame extends into the coating drum from the front end and/or the rear end of the body along the axial direction of the coating drum from outside to inside, and the spray gun mounting frame is from front to back, etc. A plurality of spray guns are installed at intervals, and the spray gun mounting frame is divided into a plurality of sequentially connected and identical spray gun areas from front to back, each of which includes at least one spray gun in the spray gun area, and the number of the spray gun mounting racks There are two, wherein one of the spray gun mounting frames extends from the front end of the body into the coating drum from the outside to the inside, and the other spray gun mounting frame extends from the rear end of the body into the coating drum from the outside to the inside. In the coating drum, the axes of the two spray gun mounting frames coincide.

Furthermore, the continuous coating machine also includes a front sleeve and a rear sleeve, and the front wall and the rear wall of the machine body are provided with holes that communicate with the coating drum and communicate with the coating drum. through holes with the same cross-sectional size, the front sleeve and the rear sleeve are open at both ends, and the front sleeve includes a cylindrical wall and a front door that matches the cross-sectional size of the front end of the wall. The rear sleeve includes a cylindrical wall and a rear door matching the cross-sectional size of the rear end of the wall, the front sleeve is coaxially connected to the through hole on the front wall of the body, and the rear sleeve The coaxial seal communicates with the through hole on the rear wall of the body, the front door is hinged with the front end of the cylinder wall of the front sleeve and is provided with a door lock, and the rear door is hinged with the rear wall of the body through a connecting rod And a door lock is provided, the feed pipe passes through the cylinder wall of the front sleeve and is sealingly connected with the cylinder wall of the front sleeve, and the discharge pipe is installed on the cylinder wall of the rear sleeve And communicate with the inside of the rear sleeve.

Preferably, the continuous coating machine further includes two baffles, the baffles are crescent-shaped, the outer edges of the baffles match the radial inner wall of the coating drum, and the two baffles One of the baffles is a front baffle, and the other is a rear baffle, the front baffle is installed at the lower part of the front end of the coating drum, and the front baffle is fixedly connected to the body through a support rod Inside, the outer edge of the front baffle is matched with the inner wall of the coating drum, the outlet of the feed pipe extends to the rear of the front baffle, and the rear baffle is installed on the coating drum The lower part of the rear end inside, the tailgate is connected to the rear door through a linkage mechanism, the linkage mechanism at least includes a horizontal link and a vertical link, the horizontal link vertically passes through the center of the rear door and Rotate and seal with the rear door, one end of the horizontal connecting rod inside the rear sleeve is fixedly connected to the top end of the vertical connecting rod, and the bottom end of the vertical connecting rod is fixedly connected to the rear stop plate, and the outer edge of the rear baffle is in clearance fit with the inner wall of the coating drum.

Usually, the space for accommodating the coating drum in the machine body is divided into a first chamber, a second chamber and a third chamber which are communicated in sequence from front to back, and adjacent chambers are separated by partitions, the A through hole for the coating drum to pass through is provided on the partition, and the rotation and sealing fit between the coating drum and the partition is arranged, and the spray guns installed on the spray gun mounting frame are all located in the second chamber indoor.

Further, the continuous coating machine also includes a front axial positioning wheel/wheel set, a rear axial positioning wheel/wheel set and a supporting wheel/wheel set, the coating located in the first chamber The outer wall of the drum is provided with a radially outward front flange, the outer wall of the coating drum located in the third chamber is provided with a radially outward rear flange, and the front of the front flange is provided with a There is a front axial positioning wheel/wheel set fixedly installed inside the body, a rear axial positioning wheel/wheel set fixedly installed inside the body is arranged behind the rear flange, and the front axial positioning The wheel surface of the wheel/wheel set is attached to the front wall of the front flange, and the wheel surface of the rear axial positioning wheel/wheel set is attached to the rear wall of the rear flange. At least the lower part of the coating drum is provided with a support wheel/wheel set that is axially the same as the coating drum, and the support wheel/wheel set is installed inside the body, and the support wheel/wheel set The wheel surface of the roller is close and tangent to the radially outer wall of the coating drum.

The present invention also provides a continuous coating method using the continuous coating machine, which includes a start-up process, a continuous coating process and a closing process in sequence,

Step 1: Start the process: adopt the batch coating mode, turn on the feeding of the coating drum, close the discharging of the coating drum, and turn off the feeding of the coating drum when the material covers the bottom of the coating drum from front to back , start the coating machine to complete the coating of the materials in the coating drum, so that the materials in the coating drum meet the requirements of the continuous coating mode;

Step 2: Continuous coating process: adopt the continuous coating mode, open the feeding and discharging of the coating drum at the same time, and coat the materials that continuously enter the coating drum, and the materials travel from the entrance of the coating drum to the coating The coating is completed during the exit of the drum, and the coated material is continuously discharged from the coating drum;

Step 3: Closing process: adopt the batch coating mode, close the feeding and discharging of the coating drum at the same time, complete the coating of the material in the coating drum, open the discharging of the coating drum, and realize the All materials are discharged.

Preferably, the start-up procedure includes the following steps in sequence:

Step 1: Raise the front end of the machine body and coating drum through the cylinder;

Step 2: Open the feed pipe to convey the material into the coating drum until the material covers the bottom of the coating drum from front to back, then close the feed pipe;

Step 3: Use the air cylinder to level the machine body and coating drum, adjust the back baffle to close the discharge station, that is, the center line of the back baffle is vertical;

Step 4: Start the driving motor of the coating drum and the inlet and exhaust cabinets, and open all the spray guns at the same time to coat the materials in the coating drum;

Step 5: After coating the materials in the coating drum, all spray guns are turned off at the same time.

Preferably, the continuous coating process comprises the following steps in sequence:

Step 1: Adjust the back baffle to the continuous discharge station, that is, the back baffle is partially offset along the axis of the coating drum to close the discharge station;

Step 2: Raise the body and the front end of the coating drum through the cylinder;

Step 3: Simultaneously open the feeding pipe and the discharging pipe to realize continuous feeding and continuous discharging of the coating drum;

Step 4: Turn on the spray guns in each spray gun area sequentially from front to back according to the travel speed of the materials in the coating drum to coat the materials that continuously enter the coating drum, and the materials travel from the entrance of the coating drum to the coating drum Coating is completed during the export process, and the coated materials are continuously discharged from the discharge pipe to realize continuous coating of large quantities of materials.

Preferably, the closing procedure includes the following steps in sequence:

Step 1: Level the machine body and coating drum through the cylinder;

Step 2: According to the traveling speed of the materials in the coating drum in the continuous coating process, the spray guns in each spray gun area are closed sequentially from back to front to complete the coating of the materials in the coating drum;

Step 3: Raise the machine body and the coating drum through the air cylinder, adjust the back baffle to the final discharge station, that is, the rear baffle is completely offset along the axis of the coating drum to close the discharge station, and the materials in the coating drum go from The discharge pipe is quickly and fully discharged;

Step 4: Adjust the rear baffle to reset, turn off the driving motor of the coating drum and the inlet and exhaust cabinets, and level the machine body and coating drum through the cylinder.

Compared with the prior art, the present invention has the following effects:

1. The present invention can carry out continuous coating production of materials, the coating drum is continuously fed and discharged, and the coating is completed during the process of the material traveling from the entrance of the coating drum to the outlet of the coating drum. Compared with the traditional Unique batch coating mode, continuous production takes short time, low energy consumption, and the production efficiency can be increased by at least 30%, especially suitable for coating production of large batches of materials;

2. The arrangement of the air cylinder of the present invention facilitates the lifting of the front end of the machine body and the coating drum, and helps the material entering the coating drum to move from the inlet of the coating drum to the outlet of the coating drum during the rotation of the coating drum. Advance, also facilitate the present invention to switch between continuous coating mode and batch coating mode simultaneously;

3. The setting of the feeder of the present invention helps to turn over the material during the rotation of the coating drum, so that the material is fully contacted with the spray liquid of the spray gun, and the coating effect and coating efficiency are improved. The shape of the design makes it possible for the material to be lifted or moved to slide or roll smoothly on it, effectively avoiding damage to the material during the material removal process;

4, the spray gun mounting frame of the present invention adopts two, stretches into the coating drum from the front and rear ends respectively, compared with adopting a spray gun mounting frame, it can effectively avoid deflection or deformation due to the excessive length of the spray gun mounting frame;

5. The setting of the front baffle and the back baffle of the present invention can effectively ensure the accumulation of materials in the coating drum during the coating production process, avoiding the abnormal overflow of materials from the coating drum, and the position of the back baffle can be adjusted. Adjustable design, combined with the inclination angle of the coating drum, facilitates the effective control of continuous discharge and large-batch complete discharge, and also facilitates the conversion of the present invention between continuous coating mode and batch coating mode;

6. The design of the first chamber, the second chamber, the third chamber and all the spray guns in the second chamber of the present invention makes it possible for the material to be coated in the second chamber in the continuous coating mode. Previously, preheating can be carried out in the first chamber to effectively improve the coating effect and efficiency. The coated materials in the second chamber can also be cooled to a certain extent in the third chamber and then discharged through the discharge pipe. In addition, the transmission part of the coating drum is usually arranged in the first/third chamber and the body corresponding to the position of the first/third chamber, and the inner space of the body is divided into multiple chambers, which is also convenient for The transmission parts and supporting parts in the body are overhauled and the interior of the body is cleaned;

7. The arrangement of the axial positioning wheel/wheel set of the present invention can effectively avoid the axial displacement of the coating drum when the body and the front end of the coating drum are raised;

8. The setting of the supporting wheel/wheel set of the present invention can effectively prevent the coating drum from being deformed or collapsed due to being too long;

9. The positions of the air outlet of the air inlet duct and the air inlet of the exhaust air duct of the present invention are designed so that the hot air from the air inlet duct can pass through in a direction nearly perpendicular to the upper surface of the material during the coating production process. materials, which can effectively improve the drying efficiency of materials.

Description of drawings

Fig. 1 is a perspective view of the present invention;

Fig. 2 is the front view of the present invention;

Fig. 3 is the back view of the present invention;

Fig. 4 is a sectional view of the present invention;

Figure 5 is a perspective view of the baffle of the present invention;

Fig. 6 is a partial sectional view of the tailgate and the installation structure of the present invention;

Fig. 7 is a partial structural schematic diagram of the body rear end of the present invention;

Figure 8 is a front sectional view of the present invention;

Fig. 9 is a partial structural schematic view of the support wheel/wheel set and the coating drum of the present invention;

Fig. 10 is a partial structural schematic diagram of the axial positioning wheel/wheel set and the coating drum of the present invention.

Detailed ways

In order to facilitate the description of the continuous coating machine of the present invention, the feeding direction of the continuous coating machine is defined as the front, and the discharge direction of the continuous coating machine is defined as the rear, and the left and right directions are determined accordingly.

Specific Embodiment 1: This embodiment is described in conjunction with FIGS. 1-4 . A continuous coating machine of this embodiment includes a body 1, a coating drum 2 and a motor 3 that drives the coating drum to rotate along the axis. The transmission mode between the motor and the coating drum can be belt transmission, gear transmission or other suitable transmission modes. Usually, the rotation direction of the coating drum is clockwise during coating production. Continuous coating machine also comprises feed pipe 4, discharge pipe 5, support leg 6 and cylinder 7, and described coating drum is the elongated cylindrical shape of two ends opening, and generally, the length of described coating drum is not Less than 1.6m, diameter not less than 0.27m. The coating drum is horizontally and rotatably sealed and installed in the body, the wall of the coating drum is densely covered with through holes, and the front end of the body is provided with a The feed pipe inside is used to deliver the material to be coated into the coating drum, and the rear end of the body is provided with a discharge pipe that communicates with the coating drum and extends to the outside of the body so that the The coated material is discharged from the coating drum, and the four corners of the bottom of the body are equipped with the support legs, wherein the two support legs at the front end of the body are vertically installed to control the body and The cylinder for lifting and lowering the coating drum.

The continuous coating machine of the present invention can carry out continuous coating production to the material through the continuous coating method described below, the coating drum is continuously fed and continuously discharged, and the material travels from the inlet of the coating drum to the coating The coating is completed during the exit of the drum. Compared with the traditional batch coating mode, the continuous production takes less time and consumes less energy, and the production efficiency can be increased by at least 30%. It is especially suitable for the coating production of large batches of materials.

The arrangement of the air cylinder of the present invention facilitates the lifting of the body and the front end of the coating drum, and helps the material entering the coating drum to advance from the entrance of the coating drum to the outlet of the coating drum during the rotation of the coating drum. Simultaneously, it is also convenient for the present invention to switch between continuous coating mode and batch coating mode.

During the coating production process, the rotation speed of the coating drum, the timing of opening and closing the spray gun, the flow rate of the spray gun and the duration of the spray, the speed and amount of material continuously entering the coating drum, the front end of the machine body and the coating drum Parameter variables such as the lifting height are uniformly controlled by the central controller to make the optimal match of these parameter variables, and finally realize the continuous coating production of materials and the production of the lowest energy consumption, effectively ensuring production efficiency and coating effect.

Specific embodiment two: this embodiment is described in conjunction with Fig. 4, Fig. 8, Fig. 9 and Fig. 10, the continuous coating machine of this embodiment also includes a plurality of feeder 8, and described feeder is elongated, Usually slightly shorter than the coating drum, the cross-section of the feeder is semicircular, and the feeder is fixedly installed on the inner wall of the coating drum along the axial direction of the coating drum, so The arc-shaped outer arc surface of the above-mentioned feeder points to the axis of the coating drum, and generally the number of the feeder is six, which are evenly distributed along the radial direction of the coating drum. The setting of the feeder helps to turn over the material during the rotation of the coating drum, so that the material can fully contact with the spray liquid of the spray gun, and improve the coating effect and coating efficiency. The design of the shape of the feeder, The material to be lifted or shifted can slide or roll smoothly on it, effectively avoiding damage to the material during the shifting process. Other components and connections are the same as those in the first embodiment.

Specific Embodiment Three: This embodiment is described in conjunction with FIGS. 1-4 . The continuous coating machine of this embodiment also includes a spray gun mounting frame 9 and a spray gun 10. The spray gun mounting frame is connected from the front end and/or rear of the body The end extends into the coating drum from outside to inside along the axial direction of the coating drum, and a plurality of spray guns are installed at equal intervals from front to back on the spray gun mounting frame, and the spray gun mounting frame is divided into It is a plurality of sequentially connected and identical spray gun areas, each of which includes at least one spray gun, each spray gun is independently controlled, and the injection direction of the spray gun points to the material inside when the coating drum rotates The accumulation direction of the spray gun is usually in the shape of a cone, so that the medicine can be sprayed to the surface of the material more uniformly, and the coating effect can be better achieved. Generally, the spray gun installation frame is provided with a support frame, and the support frame includes a horizontal support frame 11 and a vertical support frame 12. The ends are respectively connected with the ends of the horizontal support frame and the spray gun mounting frame. The spray gun mounting frame, the horizontal support frame and the vertical support frame form a "U" shape arranged horizontally. The opening of the "U" shape formed by the three faces In the direction of the coating drum, a slide rail matched with the transverse support frame is provided above the body, and the slide rail may include two pulley blocks, and each pulley block includes two pulleys installed correspondingly up and down. The horizontal support frame is installed between two pulleys, and closely fits with the wheel surfaces of the two pulleys, the axis of the pulley is perpendicular to the horizontal support frame, so designed, the vertical support frame can be pulled or pushed Pulling out or pushing back the spray gun mounting frame from the coating drum facilitates inspection or replacement of the spray gun and inspection of the interior of the coating drum. Other compositions and connections are the same as those in Embodiment 1 or 2.

Specific Embodiment Four: This embodiment is described in conjunction with FIG. 4 . The number of the spray gun mounting racks in this embodiment is two, and one of the spray gun mounting racks extends from the front end of the body into the coating from the outside to the inside. In the drum, another spray gun mounting frame extends from the rear end of the body into the coating drum from the outside to the inside, and the axes of the two spray gun mounting frames coincide. Such a design can effectively avoid deflection or deformation due to too long spray gun installation frame compared to using one spray gun installation frame. Other compositions and connections are the same as those in the first, second or third embodiment.

Specific embodiment five: this embodiment is described in conjunction with Fig. 1-Fig. 4, the continuous type coating machine of this embodiment also comprises front sleeve 13 and rear sleeve 14, and the front wall and rear wall of described body are all provided with A through hole communicating with the coating drum and having the same cross-sectional size as the coating drum, the front sleeve and the rear sleeve are both open at both ends, and the front sleeve includes a cylindrical wall and a A front door 15 that matches the cross-sectional size of the front end of the cylinder wall, the rear sleeve includes a cylindrical cylinder wall and a rear door 16 that matches the cross-sectional size of the rear end of the cylinder wall, and the front sleeve communicates with the coaxial seal The through hole on the front wall of the body, the rear sleeve is coaxially connected to the through hole on the rear wall of the body, the front door is hinged with the front end of the cylinder wall of the front sleeve and is provided with a door lock, the rear door is hinged with the rear wall of the body through a connecting rod and is provided with a door lock, and the hinged structure between the rear door and the rear wall of the body usually includes a first connecting rod 17 and 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 rear door, the other end of the first connecting rod is connected to the upper part of the rotating shaft, and the second connecting rod is connected to the first The connecting rods are arranged in parallel, one end of the second connecting rod is connected to the bottom of the rear door, the other end of the second connecting rod is connected to the bottom of the rotating shaft, and the upper and lower positions of the two shaft seats are fixedly installed on the body On the rear wall, the rotating shaft is fitly installed between the two shaft seats. The feed pipe passes through the cylinder wall of the front sleeve and is in sealing connection with the cylinder wall of the front sleeve, and the discharge pipe is installed at the bottom of the cylinder wall of the rear sleeve and is connected with the rear sleeve The interior of the sleeve communicates. The two spray gun installation frames respectively extend into the coating drum from the front door and the rear door, and the cylinder wall of the front sleeve and the cylinder wall of the rear sleeve are provided with holes capable of accommodating the vertical support frame. The notch, the vertical support frame and the notch slide and seal fit. Usually, the front door and the back door are provided with transparent observation windows, so that the production conditions in the coating drum can be observed during the production process. The other components and connections are the same as those in Embodiment 1, 2, 3 or 4.

Specific embodiment six: this embodiment is described in conjunction with Fig. 4-Fig. 7, the continuous coating machine of this embodiment also comprises two baffles 21, and described baffle is crescent shape, and the outer edge of described baffle and The radial inner wall of the coating drum is matched, and generally, the outer surface of the baffle facing the outer side of the coating drum is a vertical plane, and the inner side of the baffle is facing the inner side of the coating drum It is a slope from the outer edge to the inner edge and from the inside to the outside, that is, the inner surface of the baffle is in the shape of a partial truncated cone. One of the two baffle plates is a front baffle plate 22, and the other is a rear baffle plate 23. Vertically, the front baffle 22 is fixedly connected inside the body through a support rod, the outer edge of the front baffle 22 fits with the inner wall of the coating drum, and the gap between the two is smaller than the grain size of the material. diameter, to avoid material leakage from the gap, the outlet of the feed pipe extends to the rear of the front baffle 22, to ensure that the material from the feed pipe can smoothly enter the coating drum behind the front baffle 22 Inside, the rear baffle 23 is installed at the lower rear end of the coating drum, the centerline of the rear baffle 23 is vertical, and the rear baffle 23 is connected to the rear door through a linkage mechanism. The linkage mechanism at least includes a horizontal link 24 and a vertical link 25. The horizontal link vertically passes through the center of the rear door and is in rotational sealing fit with the rear door. The horizontal link is located in the rear cover One end in the barrel is fixedly connected to the top of the vertical connecting rod, and the bottom end of the vertical connecting rod is fixedly connected to the back baffle 23, and the outer edge of the back baffle 23 is in contact with the inner wall of the coating drum. Clearance fit, the gap between the two is smaller than the particle size of the material, so as to prevent the material from leaking from the gap, so designed, by rotating the horizontal connecting rod, the rear baffle plate 23 can be driven to rotate along the axis of the coating drum and the The offset of the tailgate 23 relative to the original position is adjustable. The setting of the front baffle 22 and the back baffle 23 can effectively ensure the accumulation of materials in the coating drum during the coating production process, avoiding the abnormal overflow of materials from the coating drum, and the position of the back baffle 23 can be adjusted. Adjustable design, combined with the inclination angle of the coating drum, facilitates the effective control of continuous discharge and large-batch complete discharge, and also facilitates the conversion of the present invention between continuous coating mode and batch coating mode. Other compositions and connection relations are the same as those in Embodiment 1, 2, 3, 4 or 5.

Specific Embodiment Seven: This embodiment is described in conjunction with FIG. 4 . The space for accommodating the coating drum in the body of this embodiment is divided into a first chamber 26, a second chamber 27 and a second chamber that are connected in sequence from front to back. Three chambers 28, separated by partitions between adjacent chambers, said partitions are provided with through holes that can pass through for said coating drum, rotating and sealing between said coating drum and said partitions Cooperate, the spray gun installed on the described spray gun mounting frame is all positioned in the described second chamber, and the spray range of the spray gun near its two ends in the described second chamber can cover the edge of the two ends of the described second chamber, to ensure Coating effect on material entering the second chamber. The first chamber, the second chamber, the third chamber and all the spray guns of the present invention are located in the second chamber design, so that in the continuous coating mode, before the material enters the second chamber for coating production, Preheating can be carried out in the first chamber to effectively improve the coating effect and efficiency. The coated materials in the second chamber can also be cooled to a certain extent in the third chamber and then discharged through the discharge pipe. In addition, The transmission part of the coating drum is usually set in the first/third chamber and the body corresponding to the position of the first/third chamber, which divides the inner space of the body into multiple chambers and facilitates Overhaul the transmission parts and supporting parts and clean the inside of the body. The other components and connections are the same as those in Embodiment 1, 2, 3, 4, 5 or 6.

Embodiment 8: This embodiment is described in conjunction with FIG. 10. The continuous coating machine of this embodiment also includes an axial positioning wheel/wheel set 29, and the axial positioning wheel/wheel set is a front axial positioning wheel/wheel set. wheel set and rear axial positioning wheel/wheel set, the outer wall of the coating drum in the first chamber is provided with a radially outward front flange, the coating drum in the third chamber The outer wall of the clothes drum is provided with a radially outward rear flange, the front of the front flange is provided with a front axial positioning wheel/wheel set fixedly installed inside the body, and the rear of the rear flange is provided with a There is a rear axial positioning wheel/wheel set fixedly installed inside the body, the wheel surface of the front axial positioning wheel/wheel set is close to the front wall of the front flange, and the rear axial positioning The wheel surface of the wheel/wheel set is attached to the rear wall of the rear flange. Of course, the axial positioning wheel/wheel set can also be set as follows, and the front axial positioning wheel/wheel set is installed on the front flange the rear of the rim, the rear axial positioning wheel/wheel set is installed in front of the rear flange, and the wheel surface of the front axial positioning wheel/wheel set is close to the rear wall of the front flange, The wheel surface of the rear axial positioning wheel/wheel set is attached to the front wall of the rear flange. The arrangement of the axial positioning wheel/wheel set in the present invention can effectively avoid the axial displacement of the coating drum when the machine body and the front end of the coating drum are raised. Usually, the axial positioning of the coating drum adopts the form of an axial positioning wheel set, and the axial positioning wheel set includes two axial positioning wheels arranged symmetrically on the left and right, so that the coating drum can be positioned more firmly. axial positioning. Other compositions and connection relations are the same as those of the specific embodiment 1, 2, 3, 4, 5, 6 or 7.

Specific Embodiment Nine: This embodiment is described in conjunction with FIG. 9. The continuous coating machine of this embodiment also includes a support wheel/wheel set 30. At least the lower part of the coating drum is provided with a shaft that is connected to the coating drum. To the same support wheel/wheel set, the support wheel/wheel set is installed inside the body, and the wheel surface of the support wheel/wheel set is in close contact with the radially outer wall of the coating drum. The setting of the supporting wheel/wheel set of the present invention can effectively avoid deformation or waist collapse of the coating drum due to excessive length. Usually, the support of the coating drum is in the form of a support wheel set, and the support wheel set includes left and right symmetrically arranged support wheels. The number of the support wheel sets is preferably three groups, which are respectively installed at the front end of the coating drum. , the middle and the rear end, so that the support to the coating drum can be realized more firmly. The other components and connections are the same as those in Embodiment 1, 2, 3, 4, 5, 6, 7 or 8.

Embodiment 10: This embodiment is described in conjunction with FIG. 8 . The continuous coating machine of this embodiment also includes an air inlet duct 31 and an exhaust air duct 32 . The outside of the body extends into the inside of the body, the air inlet duct and the air exhaust duct are sealed and connected with the body, the air outlet of the air inlet duct and the air inlet of the exhaust air duct are both Pointing to the side wall of the coating drum located in the second chamber, the air outlet of the air inlet duct and the air inlet of the exhaust air duct are respectively located on the left and right sides of the coating drum, the inlet The air outlet of the air duct is located on the same side of the coating drum as it rotates, the air inlet of the air outlet is located on the opposite side of the coating drum as it rotates, and the air inlet The air outlet of the air channel is higher than the air inlet of the air outlet channel, the air inlet of the air inlet channel is connected to the air inlet cabinet, and the air outlet of the exhaust air channel is connected to the fume cabinet. The positions of the air outlet of the air inlet duct and the air inlet of the exhaust air duct of the present invention are designed so that the hot air from the air inlet duct can pass through the material in a direction nearly perpendicular to the upper surface of the material during the coating production process. It can effectively improve the drying efficiency of materials. The other components and connections are the same as those in Embodiments 1, 2, 3, 4, 5, 6, 7, 8 or 9.

Specific Embodiment Eleven: This embodiment is described in conjunction with FIGS. 1 to 10. The continuous coating method adopted by the continuous coating machine of this embodiment includes a start-up process, a continuous coating process and a closing process in sequence.

Step 1: Start the process: adopt the batch coating mode, turn on the feeding of the coating drum, close the discharging of the coating drum, and turn off the feeding of the coating drum when the material covers the bottom of the coating drum from front to back , start the coating machine to complete the coating of the materials in the coating drum, so that the materials in the coating drum meet the requirements of the continuous coating mode;

Step 2: Continuous coating process: adopt the continuous coating mode, adjust the inclination angle of the coating drum, open the feeding and discharging of the coating drum at the same time, and coat the materials that continuously enter the coating drum. Coating is completed during the process from the entrance of the coating drum to the exit of the coating drum, and the coated materials are continuously discharged from the coating drum;

Step 3: Closing process: adopt the batch coating mode, close the feeding and discharging of the coating drum at the same time, complete the coating of the material in the coating drum, open the discharging of the coating drum, and realize the All materials are discharged.

Specific Embodiment Twelve: This embodiment is described in conjunction with FIG. 1 to FIG. 10 , and the start-up process of this embodiment includes the following steps in sequence:

Step 1: Raise the front end of the machine body and coating drum through the cylinder;

Step 2: Open the feed pipe to convey the material into the coating drum until the material covers the bottom of the coating drum from front to back (you can make the material evenly cover the coating by rotating the coating drum to match the inclination angle of the coating drum the bottom of the drum), close the feed pipe;

Step 3: level the machine body and the coating drum through the cylinder, adjust the back baffle 23 to close the discharge station, that is, the center line of the back baffle 23 is vertical;

Step 4: Start the driving motor of the coating drum and the inlet and exhaust cabinets, and open all the spray guns at the same time to coat the materials in the coating drum;

Step 5: After coating the materials in the coating drum, all spray guns are turned off at the same time. The other components and connections are the same as those in Embodiments 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11.

Specific Embodiment Thirteen: This embodiment is described with reference to FIGS. 1 to 10 . The continuous coating process of this embodiment includes the following steps in sequence:

Step 1: Adjust the back baffle 23 to the continuous discharge station, that is, the back baffle 23 is partially offset along the axis of the coating drum to close the discharge station;

Step 2: Raise the body and the front end of the coating drum through the cylinder;

Step 3: Simultaneously open the feeding pipe and the discharging pipe to realize continuous feeding and continuous discharging of the coating drum;

Step 4: Turn on the spray guns in each spray gun area sequentially from front to back according to the travel speed of the materials in the coating drum, and coat the materials that continuously enter the coating drum, and the materials that have been coated during the start-up process As the material to be coated enters and is gradually discharged from the discharge pipe, the new material entering the coating drum completes coating during the process of advancing from the inlet of the coating drum to the outlet of the coating drum, and the coated material is continuously It is discharged from the discharge pipe to realize continuous coating of large batches of materials. The other components and connections are the same as those in Embodiments 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 or 12.

Specific Embodiment 14: This embodiment is described in conjunction with FIGS. 1 to 10 . The closing process of this embodiment includes the following steps in sequence:

Step 1: Use the air cylinder to level the body and the coating drum. At this time, the coating degree of the materials in the coating drum gradually increases from front to back, that is, the coating degree of the materials at the back is higher than that of the materials at the front. degree;

Step 2: According to the traveling speed of the materials in the coating drum in the continuous coating process, turn off the spray guns in each spray gun area from back to front to complete the coating of the materials in the coating drum, and the coating drum The materials inside are coated gradually from back to front in this procedure;

Step 3: Elevate the machine body and the coating drum through the cylinder (usually the angle is greater than that of the machine body and the coating drum in the continuous coating process), and adjust the back baffle 23 to the final discharge station, that is, the back baffle 23 The axis of the coating drum is fully offset to close the discharge station, and the materials in the coating drum are quickly and completely discharged from the discharge pipe;

Step 4: Adjust the rear baffle plate 23 to reset, close the driving motor of the coating drum and the inlet and exhaust cabinets, level the machine body and the coating drum through the cylinder, and complete a continuous coating production cycle. The other components and connections are the same as those in Embodiments 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 or 13.

Usually, the start-up process is mainly for the batch of materials that first fill the coating drum at the beginning of continuous coating production, and the shutdown process is mainly for the last batch of materials that fill the coating drum when the continuous coating production is about to end. The continuous coating machine of the present invention is equipped with a continuous coating method, through the optimal matching control of the central controller, it can realize the continuous coating production of large batches of materials, and at the same time make the production energy consumption the most reasonable, and realize the production " Zero loss".

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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