Fluorocarbon polymer powder decompression drying device

Abstract

The utility model discloses a fluorocarbon polymer powder decompression drying device, and relates to the technical field of decompression drying. The fluorocarbon polymer powder decompression drying device comprises a drying barrel and a drainage pipe fixedly arranged on the bottom face of the drying barrel in a penetrating mode, a valve is fixedly arranged at the bottom of the drainage pipe in a penetrating mode, and an air supply adjusting valve is fixedly arranged on the top face of the drying barrel in a penetrating mode and extends into the drying barrel. The drying device has the technical effects that a sealing cover, a sealing ring, an extrusion ring, a mounting frame and bolts are arranged in the placing mechanism, so that external humid air is effectively prevented from entering the drying barrel, and a stable environment is provided for drying; and a pressing plate, an extruding plate, a motor, a threaded rod, a threaded sleeve, a limiting rod and other parts of the extruding part can extrude the fluorocarbon polymer powder in the drying process, internal water is extruded out and discharged through a water discharging pipe, and the drying effect and the product quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pressure reduction drying, specifically to fluorocarbon polymer powder pressure reduction drying device. BACKGROUND

[0002] Fluorocarbon polymer powder is a powder coating material with fluorine-containing resin as the main film-forming material, which is usually composed of fluorocarbon resin, curing agent, pigment, filler and additive. Among them, fluorocarbon resin is the key ingredient, such as polyvinylidene fluoride (PVDF), fluorine-vinyl ether copolymer (FEVE), etc., which determines the main performance of the powder;

[0003] In the production and processing process of fluorocarbon polymer powder, the importance of the drying link is self-evident, and its treatment effect is directly related to the quality and production efficiency of the product. When drying fluorocarbon polymer powder, a pressure reduction drying device is used;

[0004] The existing pressure reduction drying device is dried by extracting the humid air inside the drying barrel to reduce the pressure inside the drying barrel, but when the moisture inside the fluorocarbon polymer powder is high, only the air is extracted for drying, which will result in low drying efficiency. Therefore, a fluorocarbon polymer powder pressure reduction drying device is proposed. Utility model content

[0005] (I) Technical problem solved

[0006] In view of the shortcomings of the prior art, the utility model provides a fluorocarbon polymer powder pressure reduction drying device, which solves the problem of low drying efficiency when the moisture inside the fluorocarbon polymer powder is high.

[0007] (II) Technical scheme

[0008] In order to achieve the above purpose, the utility model is realized by the following technical scheme: including drying barrel and drying barrel bottom surface fixed drainage pipe penetratingly arranged, the bottom of drainage pipe is fixedly and penetratingly provided with valve, the top surface of drying barrel is fixedly and penetratingly provided with air supply regulating valve extending to the inside of drying barrel, the inside of drying barrel is provided with placing mechanism and pressure reduction mechanism;

[0009] The placing mechanism includes placing part and extrusion part;

[0010] The placing part includes placing frame, sealing ring, extrusion part includes pressing plate and extrusion plate;

[0011] The top surface of the placing frame is fixedly penetrated through the top surface of the inner side of the drying barrel and extends above the placing frame, a sealing cover is sleeved on the outer wall of the drying barrel, a connecting rod is fixedly arranged on the inner side of the sealing cover, the bottom surface of the connecting rod is fixedly connected with the top surface of the pressing plate, and the inner side of the placing frame is slidingly connected with the outer wall of the extruding plate.

[0012] Preferably, the pressure reducing mechanism comprises an air extraction pump, the outer wall of the drying barrel is fixedly provided with a mounting block, the inner side of the mounting block is fixedly connected with the outer wall of the air extraction pump, the air extraction end of the air extraction pump is fixedly and penetratively provided with a connecting pipe, and the side of the connecting pipe close to the drying barrel is fixedly penetrated through the outer wall of the drying barrel and extends to the inside of the drying barrel.

[0013] Preferably, the outer wall of the placing frame is fixedly sleeved with a sealing frame, the inner side of the sealing frame is fixedly provided with a sealing ring, the bottom surface of the sealing cover is fixedly provided with an extruding ring, and the outer wall of the extruding ring is extrudedly contacted with the inner side of the sealing ring.

[0014] Preferably, the inner bottom surface of the drying barrel is fixedly provided with a motor, the output end of the motor is fixedly provided with a threaded rod, the outer wall of the threaded rod is threadedly sleeved with a threaded sleeve, the top surface of the threaded sleeve is penetrated through the bottom surface of the placing frame and extends to the inside of the placing frame, and the top surface of the threaded sleeve is fixedly connected with the bottom surface of the extruding plate.

[0015] Preferably, the bottom surface of the extruding plate is fixedly provided with a limiting rod, and the bottom surface of the limiting rod is slidingly penetrated through the inner bottom surface of the placing frame and extends below the placing frame.

[0016] Preferably, the outer wall of the sealing cover is fixedly provided with two mounting racks, and the bottom surfaces of the two mounting racks are movably connected with the top surface of the drying barrel through two bolts.

[0017] Preferably, the inner bottom surface of the drying barrel is fixedly provided with a connecting box, the side of the connecting pipe close to the connecting box is fixedly penetrated through the outer wall of the connecting box and extends to the inside of the connecting box, and the outer wall of the connecting box is fixedly and penetratively provided with a plurality of air extraction pipes extending to the inside of the connecting box.

[0018] (Three) beneficial effects

[0019] The fluorocarbon polymer powder pressure reducing and drying device has the following beneficial effects:

[0020] The fluorocarbon polymer powder pressure reducing and drying device is provided with the sealing cover, the sealing ring, the extruding ring, the mounting rack and the bolt in the placing mechanism, so that the external humid air is effectively prevented from entering the inside of the drying barrel, a stable environment is provided for drying, the pressing plate, the extruding plate, the motor, the threaded rod, the threaded sleeve and the limiting rod and other components of the extruding part can extrude the fluorocarbon polymer powder during the drying process, the internal moisture is extruded and discharged through the drain pipe, and the drying effect and the product quality are improved.

[0021] (ii) The fluorocarbon polymer powder reduced pressure drying device, the air pump, the connecting pipe, the connecting box and the air pump in the reduced pressure mechanism and other components cooperate closely, can quickly extract the humid air in the drying barrel, effectively reduce the internal atmospheric pressure, create a low pressure environment conducive to moisture evaporation, thereby greatly shorten the drying time, improve the production efficiency and reduce the cost; moreover, through the opening and closing of the air supply regulating valve and the air pump, repeated drying operation can be realized, and the fluorocarbon polymer powder can be thoroughly dried. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the overall structure schematic view of the utility model;

[0023] Figure 2 It is the structure schematic view of the placing mechanism of the utility model;

[0024] Figure 3 It is the structure schematic view inside the placing mechanism of the utility model;

[0025] Figure 4 It is the structure schematic view of the reduced pressure mechanism of the utility model;

[0026] Figure 5 It is the structure schematic view of the utility model Figure 3 The structure schematic view of the enlarged A area in the utility model.

[0027] In the drawing: 1, drying barrel; 2, placing mechanism; 21, sealing cover; 22, mounting frame; 23, placing frame; 24, motor; 25, connecting rod; 26, pressing plate; 27, extrusion plate; 28, limiting rod, 29, threaded rod; 210, threaded sleeve; 211, sealing frame; 212, sealing ring; 213, extrusion ring; 3, reduced pressure mechanism; 31, mounting block; 32, air pump; 33, connecting pipe; 34, air pump; 35, connecting box; 4, air supply regulating valve; 5, drain pipe. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0029] Please refer to Figures 1-5 The utility model provides a technical scheme: including drying barrel 1 and the drain pipe 5 fixedly penetrating the bottom surface of drying barrel 1, the valve is fixedly penetrated in the bottom of drain pipe 5, the air supply regulating valve 4 is fixedly penetrated on the top surface of drying barrel 1 and extends to the inside of drying barrel 1, and the inside of drying barrel 1 is provided with placing mechanism 2 and reduced pressure mechanism 3;

[0030] The placing mechanism 2 comprises a placing part and a pressing part;

[0031] The placing part comprises a placing frame 23 and a sealing ring 212, and the pressing part comprises a pressing plate 26 and a pressing plate 27;

[0032] The top surface of the placing frame 23 is fixedly penetrated through the top surface of the inner side of the drying barrel 1 and extends to above the placing frame 23, the outer wall of the drying barrel 1 is sleeved with a sealing cover 21, the inner side of the sealing cover 21 is fixedly provided with a connecting rod 25, the bottom surface of the connecting rod 25 is fixedly connected with the top surface of the pressing plate 26, the inner side of the placing frame 23 is slidingly connected with the outer wall of the pressing plate 27, the outer wall of the placing frame 23 is fixedly sleeved with a sealing frame 211, the inner side of the sealing frame 211 is fixedly provided with a sealing ring 212, the bottom surface of the sealing cover 21 is fixedly provided with a pressing ring 213, the outer wall of the pressing ring 213 is in extrusion contact with the inner side of the sealing ring 212, the inner bottom surface of the drying barrel 1 is fixedly provided with a motor 24, the top surface of the output end of the motor 24 is fixedly provided with a threaded rod 29, the outer wall of the threaded rod 29 is threadedly sleeved with a threaded sleeve 210, the top surface of the threaded sleeve 210 is penetrated through the bottom surface of the placing frame 23 and extends to the inside of the placing frame 23, the top surface of the threaded sleeve 210 is fixedly connected with the bottom surface of the pressing plate 27, the bottom surface of the pressing plate 27 is fixedly provided with a limiting rod 28, the bottom surface of the limiting rod 28 slidingly penetrates through the inner bottom surface of the placing frame 23 and extends to below the placing frame 23, the outer wall of the sealing cover 21 is fixedly provided with two mounting racks 22, and the bottom surfaces of the two mounting racks 22 are movably connected with the top surface of the drying barrel 1 through two bolts respectively;

[0033] The decompression mechanism 3 comprises a gas suction pump 32, the outer wall of the drying barrel 1 is fixedly provided with a mounting block 31, the inner side of the mounting block 31 is fixedly connected with the outer wall of the gas suction pump 32, the gas suction end of the gas suction pump 32 is fixedly provided with a connecting pipe 33, one side of the connecting pipe 33 close to the drying barrel 1 is fixedly penetrated through the outer wall of the drying barrel 1 and extends to the inside of the drying barrel 1, the inner bottom surface of the drying barrel 1 is fixedly provided with a connecting box 35, one side of the connecting pipe 33 close to the connecting box 35 is fixedly penetrated through the outer wall of the connecting box 35 and extends to the inside of the connecting box 35, and the outer wall of the connecting box 35 is fixedly penetrated through and provided with a plurality of gas suction pipes 34 extending to the inside of the connecting box 35.

[0034] In use, the drying bag containing fluorocarbon polymer powder is placed in the placing frame 23, the sealing cover 21 is covered on the placing frame 23 after the placing is completed, the pressing plate 26 can enter the inside of the placing frame 23 after the sealing cover 21 is covered, the sealing cover 21 and the placing frame 23 can be sealed at the connecting position through the sealing ring 212 and the pressing ring 213 after the sealing cover 21 is covered, and the sealing cover 21 can be fixed through the two mounting racks 22.

[0035] After the placement is completed, the air suction pump 32 is opened, the air suction pump 32 can be opened to suck out the humid air in the drying barrel 1, and the atmospheric pressure in the drying barrel 1 can be reduced, and the fluorocarbon polymer powder drying efficiency can be improved after the atmospheric pressure in the drying barrel 1 is lowered;

[0036] During the drying process, the motor 24 is controlled to be turned on, the threaded rod 29 can be rotated during the motor 24 is turned on, the extrusion plate 27 can be moved up and down through the threaded sleeve 210 and the limiting rod 28 during the threaded rod 29 is rotated, the fluorocarbon polymer powder can be extruded when the extrusion plate 27 moves up, so that the moisture inside the fluorocarbon polymer powder can be squeezed out, and the moisture can be discharged through the drain pipe 5 after being squeezed out;

[0037] After the first drying is completed, the air supply regulating valve 4 is opened to allow drying air to enter the inside of the drying barrel 1, and the atmospheric pressure in the drying barrel 1 can be restored, and the air supply regulating valve is closed after the restoration is completed, and the air suction pump 32 is opened, the inside of the drying barrel 1 and the humid air can be sucked out again, the atmospheric pressure in the drying barrel 1 is lowered again, and the above operation is repeated several times to completely dry the fluorocarbon polymer powder.

[0038] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

[0039] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A fluorocarbon polymer powder reduced pressure drying device, comprising a drying barrel (1) and a drain pipe (5) fixedly penetrating the bottom surface of the drying barrel (1), a valve is fixedly penetrating the bottom of the drain pipe (5), and a gas regulating valve (4) is fixedly penetrating the top surface of the drying barrel (1) and extends to the inside of the drying barrel (1), characterized in that: The inside of the drying barrel (1) is provided with a placing mechanism (2) and a decompression mechanism (3); The placing mechanism (2) comprises a placing part and a pressing part; The placing part comprises a placing frame (23) and a sealing ring (212), and the pressing part comprises a pressing plate (26) and a pressing plate (27); The top surface of the placing frame (23) is fixedly penetrated through the inside top surface of the drying barrel (1) and extends above the placing frame (23), the outer wall of the drying barrel (1) is sleeved with a sealing cover (21), the inner side of the sealing cover (21) is fixedly provided with a connecting rod (25), the bottom surface of the connecting rod (25) is fixedly connected with the top surface of the pressing plate (26), and the inner side of the placing frame (23) is slidingly connected with the outer wall of the pressing plate (27).

2. The apparatus for drying fluorocarbon polymer powder under reduced pressure according to claim 1, wherein: The decompression mechanism (3) comprises an air pump (32), the outer wall of the drying barrel (1) is fixedly provided with a mounting block (31), the inner side of the mounting block (31) is fixedly connected with the outer wall of the air pump (32), the air suction end of the air pump (32) is fixedly provided with a connecting pipe (33), and the side of the connecting pipe (33) close to the drying barrel (1) is fixedly penetrated through the outer wall of the drying barrel (1) and extends to the inside of the drying barrel (1).

3. The apparatus for drying fluorocarbon polymer powder under reduced pressure according to claim 1, wherein: The outer wall of the placing frame (23) is fixedly sleeved with a sealing frame (211), the inner side of the sealing frame (211) is fixedly provided with a sealing ring (212), the bottom surface of the sealing cover (21) is fixedly provided with a pressing ring (213), and the outer wall of the pressing ring (213) is in extrusion contact with the inner side of the sealing ring (212).

4. The apparatus for drying fluorocarbon polymer powder under reduced pressure according to claim 1, wherein: The inner bottom surface of the drying barrel (1) is fixedly provided with a motor (24), the output end of the motor (24) is fixedly provided with a threaded rod (29), the outer wall of the threaded rod (29) is threadedly sleeved with a threaded sleeve (210), the top surface of the threaded sleeve (210) is penetrated through the bottom surface of the placing frame (23) and extends to the inside of the placing frame (23), and the top surface of the threaded sleeve (210) is fixedly connected with the bottom surface of the pressing plate (27).

5. The apparatus for drying fluorocarbon polymer powder under reduced pressure according to claim 1, wherein: The bottom surface of the pressing plate (27) is fixedly provided with a limiting rod (28), and the bottom surface of the limiting rod (28) slidingly penetrates through the inner bottom surface of the placing frame (23) and extends below the placing frame (23).

6. The apparatus for drying fluorocarbon polymer powder under reduced pressure according to claim 1, wherein: The outer wall of the sealing cover (21) is fixedly provided with two mounting racks (22), and the bottom surfaces of the two mounting racks (22) are movably connected with the top surface of the drying barrel (1) through two bolts respectively.

7. The apparatus for drying fluorocarbon polymer powder under reduced pressure according to claim 2, wherein: The inner bottom surface of the drying barrel (1) is fixedly provided with a connecting box (35), the side of the connecting pipe (33) close to the connecting box (35) is fixedly penetrated through the outer wall of the connecting box (35) and extends to the inside of the connecting box (35), and the outer wall of the connecting box (35) is fixedly penetrated through a plurality of air suction pipes (34) and extends to the inside of the connecting box (35).

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