Air knife for efficient centrifugal coating machine

Abstract

The utility model discloses an air knife for a high-efficiency centrifugal coating machine, which comprises a shell, a quick coupler, a left sealing plate, a linear air tap, a rectiblock and a right sealing plate, the shell is of a round-head U-shaped plate structure, a connecting sleeve is arranged at the left end of the shell, the quick coupler is connected with the connecting sleeve, the linear air tap is a bent plate, and the opening end of the linear air tap is butted and fixedly connected with the opening end of the round-head U-shaped plate in a sealing manner; a crack groove is formed in the middle of the bent plate, the rectification piece is arranged in the shell, a plurality of evenly-distributed rectification through holes are formed in the middle of the rectification piece, and the left sealing plate and the right sealing plate are arranged at the left end and the right end of the round-head U-shaped plate respectively, so that a closed air chamber is formed among the left sealing plate, the shell, the linear air nozzle, the rectification piece and the right sealing plate. The air knife is simple in structure, convenient to install and low in cost, uniform distribution of high-speed linear airflow is achieved, modular design is adopted, according to different coating tablets, other structures of the air knife except for the size of a crack groove are consistent, rapid replacement of coating products of the coating machine is achieved, and production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to solid preparation film coating technical field especially relates to a high -efficient centrifugal coating machine is with air knife. BACKGROUND

[0002] High -efficient centrifugal coating machine is a kind of new solid preparation film coating equipment, when coating, main shaft drives coating pot high -speed rotation, so that solid preparation matrix tablet is attached to the inner wall of coating pot under the action of centrifugal force and forms a matrix tablet ring, at this time, linear air knife located at the edge of the outer wall of coating pot sprays high -speed linear airflow to coating pot radially, so that annular matrix tablet rheology becomes continuous fluidization of waterfall.

[0003] Air knife assembly is the core component of high -efficient centrifugal coating machine, provides high -speed stable uniform airflow for high -efficient centrifugal coating machine. At present, domestic coating machine does not have air knife assembly, realizes coating fluidization by the rotation of coating pot driving the guide vane on its inner wall, cannot form the suspended fluidization of waterfall, and each matrix tablet coating cannot be completed at one time, leads to uneven coating thickness, low coating efficiency and high cost. CONTENT OF THE UTILITY MODEL

[0004] To solve the above background art problems, the utility model provides a kind of air knife for high -efficient centrifugal coating machine, simple structure, easy to install, low cost, realize the uniform distribution of high -speed linear airflow, adopt modular design, for different coating matrix tablet, air knife except gap groove size its rest structure is identical, realize the quick replacement of coating machine when replacing coating product, improve production efficiency.

[0005] To achieve the above object, the utility model provides a kind of air knife for high -efficient centrifugal coating machine, it is characterized by: including shell, quick -mounting connector, left sealing plate, linear air nozzle, rectifier sheet and right sealing plate, the shell is round head U type board structure, left end is equipped with the cylindrical connecting sleeve coaxial with the round head of round head U type board, the quick -mounting connector is sealingly fixed with connecting sleeve connection, for quick installation connection with fan air pipe, the linear air nozzle is the bending plate of length with the length of round head U type board, the opening end of bending plate is opposite to the opening end of round head U type board and is sealingly fixed connection, the middle of bending plate is provided with gap groove, the rectifier sheet is located in shell, both sides are sealingly fixed with the corresponding side wall of shell, both ends are flush with the both ends of round head U type board, the rectifier sheet middle is equipped with multiple evenly distributed rectifier through -hole, the left sealing plate and right sealing plate are respectively located at the left and right ends of round head U type board, and are sealingly fixed with the left and right ends of linear air nozzle, shell, rectifier sheet, so that left sealing plate, shell, linear air nozzle, rectifier sheet and right sealing plate form a closed air chamber.

[0006] Further, the linear air nozzle is trapezoidal bending plate, and the long side of the trapezoid is the opening end.

[0007] Further, the slot width is matched with the size of the tablet, and is 0.3-2mm.

[0008] Further, the straightener is a U-shaped bent plate, two side walls of the U-shaped bent plate are sealingly and fixedly connected with two side walls of the round head U-shaped plate, and an opening of the U-shaped bent plate faces the linear air nozzle.

[0009] Further, the straightener is a U-shaped bent plate, two side walls of the U-shaped bent plate are sealingly and fixedly connected with two side walls of the round head U-shaped plate, and an opening of the U-shaped bent plate faces the linear air nozzle.

[0010] Further, the air knife is made of stainless steel.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The utility model discloses a quick connector and fan pipe are connected quickly, and air flows into the shell through the quick connector, is rectified through the straightener and the straightener through hole, then is high -speed injection and goes out through the slot of the linear air nozzle, forms the linear air flow of sword shape, realizes the even distribution of high -speed linear air flow.

[0013] 2. The utility model discloses a small volume, simple and compact structure, low in cost, convenient to install, adopts the modular design, and the air knife is consistent except the size of the slot for the coating of different specifications of the tablet, and is easy to replace, thereby improving production efficiency.

[0014] 3. The utility model discloses a small volume, simple and compact structure, low in cost, convenient to install, adopts the modular design, and the air knife is consistent except the size of the slot for the coating of different specifications of the tablet, and is easy to replace, thereby improving production efficiency. DRAWINGS

[0015] Figure 1 It is the structure schematic drawing of the utility model embodiment;

[0016] Figure 2 It is the structure schematic drawing of the utility model embodiment;

[0017] Figure 3 It is the structure schematic drawing of the utility model embodiment;

[0018] Figure 4 It is the structure schematic drawing of the utility model embodiment;

[0019] Figure 5 It is the structure schematic drawing of the utility model embodiment;

[0020] In the drawing: 1, quick connector, 2, shell, 201, connecting sleeve, 3, linear air nozzle, 301, slot, 4, straightener, 401, straightener through hole, 5, left sealing plate, 6, right sealing plate. CONCRETE IMPLEMENTATION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] As shown in the drawings, Figures 1-5 The present embodiment comprises a shell 2, a quick connector 1, a left sealing plate 5, a linear air nozzle 3, a rectifier sheet 4 and a right sealing plate 6. The shell 2 is a round head U-shaped plate structure, and a left end is provided with a cylindrical connecting sleeve 201 coaxial with the round head of the round head U-shaped plate. The quick connector 1 is sealingly and fixedly connected with the connecting sleeve 201, and is used for quick installation and connection with a fan air pipe. The linear air nozzle 3 is a bending plate with a length consistent with the length of the round head U-shaped plate. The opening end of the bending plate is connected with and sealingly fixed to the opening end of the round head U-shaped plate. A gap groove 301 is formed in the middle of the bending plate. The rectifier sheet 4 is arranged in the shell 2, and the two sides are sealingly and fixedly connected with the corresponding side walls of the shell 2. The two ends are flush with the two ends of the round head U-shaped plate. The rectifier sheet 4 is provided with 11 evenly distributed rectifier through holes 401 in the middle. The left sealing plate 5 and the right sealing plate 6 are respectively arranged at the left and right ends of the round head U-shaped plate, and are sealingly and fixedly connected with the left and right ends of the linear air nozzle 3, the shell 2 and the rectifier sheet 4, so as to form a closed air chamber between the left sealing plate 5, the shell 2, the linear air nozzle 3, the rectifier sheet 4 and the right sealing plate 6.

[0023] Further, the linear air nozzle 3 is a trapezoidal bending plate, and the long side of the trapezoid is the opening end.

[0024] Further, the gap groove 301 has a width adapted to the size of the blank, and is 0.3-2 mm.

[0025] For different specifications of the blank, the gap groove 301 can be 0.3 mm, 0.5 mm, 0.7 mm or 1 mm. The air knife has consistent structures except the gap groove 301, forming a modularization. When the coating machine changes the coating product, the air knife can be quickly replaced, improving the production efficiency.

[0026] Further, the rectifier sheet 4 is a U-shaped bending plate, and the two side walls of the U-shaped bending plate are sealingly and fixedly connected with the two side walls of the round head U-shaped plate. The opening of the U-shaped bending plate faces the linear air nozzle 301.

[0027] Further, the rectifier through hole 401 is a waist-shaped hole. In the present embodiment, the rectifier sheet 4 is provided with 11 waist-shaped holes with a size of 8 mm*4 mm.

[0028] Further, the air knife is made of stainless steel.

[0029] The working mode of the embodiment is as follows: the quick connector is connected with the fan pipe, the fan is started, the airflow enters the shell from the quick connector, is rectified through the 11 rectifying through holes 401 of the rectifying piece 4, and is high-speed injected out through the clamping slot 301 of the linear air nozzle 3 to form a knife-shaped linear airflow, and the uniform distribution of the high-speed linear airflow is realized.

[0030] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and substitutions can be made, and these improvements and substitutions should also be considered as the protection scope of the present application.

Claims

1. A gas knife for high efficiency centrifugal coater characterized by: The utility model relates to a kind of air knife, including shell, quick connector, left sealing plate, linear air nozzle, rectifier sheet and right sealing plate, the shell is round head U-shaped plate structure, left end is equipped with the cylindrical connecting sleeve coaxial with the round head of round head U-shaped plate, the quick connector is sealingly and fixedly connected with connecting sleeve, for with fan air pipe quick installation connection, the linear air nozzle is the bending plate of length with the length of round head U-shaped plate consistent, the opening end of bending plate is opposite and sealingly and fixedly connected with the opening end of round head U-shaped plate, the middle of bending plate is provided with pinch seam groove, the rectifier sheet is located in shell, two sides are sealingly and fixedly connected with the corresponding side wall of shell, two ends are flush with the two ends of round head U-shaped plate, the rectifier sheet middle is provided with multiple evenly distributed rectifier through-hole, the left sealing plate and right sealing plate are respectively located in the left and right two ends of round head U-shaped plate, and are sealingly and fixedly connected with the left and right two ends of linear air nozzle, shell, rectifier sheet, so that left sealing plate, shell, linear air nozzle, rectifier sheet and right sealing plate form a closed air chamber.

2. The air knife for high efficiency centrifugal coater according to claim 1, characterized in that: The linear air nozzle is trapezoidal bending plate, and the long side of the trapezoid is the opening end.

3. The air knife for high efficiency centrifugal coater according to claim 1, wherein: The pinch seam groove has a width of 0.3-2mm, which is suitable for the size of the sheet.

4. The air knife for high efficiency centrifugal coater according to claim 1, wherein: The rectifier sheet is a U-shaped bending plate, and the two side walls of the U-shaped bending plate are sealingly and fixedly connected with the two side walls of the round head U-shaped plate.

5. The air knife for high efficiency centrifugal coater according to claim 1 or 4, wherein: The rectifier through-hole is a waist-shaped hole. ​ 6. The air knife for high efficiency centrifugal coater according to claim 1, wherein: The air knife is made of stainless steel.

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