CN113218157B - Vacuum drying device for engineering plastic preparation - Google Patents
Vacuum drying device for engineering plastic preparation Download PDFInfo
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- CN113218157B CN113218157B CN202110468092.6A CN202110468092A CN113218157B CN 113218157 B CN113218157 B CN 113218157B CN 202110468092 A CN202110468092 A CN 202110468092A CN 113218157 B CN113218157 B CN 113218157B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
- F26B11/16—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a vertical or steeply-inclined plane
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/16—Chambers, containers, receptacles of simple construction mainly closed, e.g. drum
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention provides a vacuum drying device for engineering plastic preparation, which structurally comprises a tank body, a transmission shaft, a motor box, a supporting seat and a discharge port, wherein the lower end of the tank body is welded and connected with the upper end of the supporting seat, the left side of the transmission shaft is fixedly connected with the right side of the tank body, the lower end of the motor box is welded and installed at the upper end of the supporting seat, the left end of the motor box is fixedly connected with the right end of the transmission shaft, the upper end of the discharge port is welded and connected with the lower end of the tank body, the tank body comprises a steam inlet pipe, a feed pipe, an evacuation pipe, a steam outlet pipe, a rotating shaft, rake teeth, a tank wall and a sealing cover, the lower end of the steam inlet pipe is welded and connected with the upper end of the left side of the tank wall in a fixedly embedded manner, the lower end of the evacuation pipe is fixedly installed at the upper end of the tank wall, the rake teeth are rotated by driving the rotating shaft through the motor box, an elastic device pulls a lower linking block to stretch through the centrifugal effect in the rotating process, so that the total length of the rake teeth is prevented from losing the evaporation effect of water caused by the fact that materials at the bottom cannot be stirred by the rake teeth.
Description
Technical Field
The invention belongs to the technical field of preparation of special engineering plastics, and particularly relates to a vacuum drying device for preparing engineering plastics.
Background
After the engineering plastic is prepared, because the engineering plastic has a small amount of water vapor, the water vapor can directly affect a product made of the engineering plastic, so that the elasticity and the hardness of the product can not reach the standard, a vacuum rake dryer is needed to freeze a material to the temperature of a triple point, then the solid water of the material is directly sublimated into water vapor under the vacuum condition, and the water vapor is discharged through vacuum, so that the material is dried and formed.
Based on the above description, the present inventors found that the existing vacuum drying device for engineering plastic preparation mainly has the following disadvantages, such as:
although vacuum drying equipment is equipped with the rake teeth and carries out rotatory stirring to the material, the distance of rake teeth and fuselage inner wall is greater than engineering plastics's height, and a large amount of moisture when putting into the material piles up in the bottom, and the material contacts with the moisture of bottom for a long time, at the in-process that the rake teeth was being stirred the material, the stirring that the rake teeth was not got to the bottom material promotes, make the material pile up the moisture upper end of bottom and reduce the gap that steam got into, the moisture that leads to the material bottom reduces with vapor area of contact, cause engineering plastics's drying effect to weaken.
Disclosure of Invention
In order to solve the technical problems, the invention provides a vacuum drying device for engineering plastic preparation, which aims to solve the existing problems.
Aiming at the defects of the prior art, the invention provides the purpose and the effect of a vacuum drying device for preparing engineering plastics, which are achieved by the following specific technical means: the utility model provides a vacuum drying device for engineering plastics preparation, its structure includes a jar body, transmission shaft, motor case, supporting seat, discharge gate, jar body lower extreme and supporting seat upper end welded connection, transmission shaft left side and jar body right side embedded connection, motor case lower extreme welded mounting are in the supporting seat upper end, motor case left end embedded connection is in the transmission shaft right-hand member, discharge gate upper end and jar body lower extreme weld mutually, jar body is including advancing steaming pipe, inlet pipe, evacuation pipe, play steaming pipe, pivot, rake teeth, jar wall, sealed lid, advance steaming pipe lower extreme and jar wall left side upper end and weld mutually, the inlet pipe lower extreme is connected with jar wall upper end embedded fixation, evacuation pipe lower extreme embedded fixation installs in jar wall upper end, it welds with jar wall right side upper end to go out steaming pipe lower extreme, the pivot outside welded mounting is inboard in the rake teeth, the closing plate inboard is connected with the pipe wall outside embedded fixation.
Preferably, the rake teeth comprise an upper connecting block, an elastic device, a lower connecting block, a fixed rod and a contact block, the lower end of the upper connecting block is fixedly embedded at the upper end of the elastic device, the lower end of the elastic device is fixedly embedded at the upper end of the lower connecting block, the lower end of the fixed rod is fixedly embedded at the upper end of the contact block, two telescopic rods with fixed positions are installed at the two ends of the elastic device, and an included angle between the two telescopic rods is 140 degrees.
Preferably, the contact block comprises a connecting plate, mounting blocks, a ventilating plate and stirring blocks, the lower end of the connecting plate is connected with the upper end of the ventilating plate in a clamping mode, the outer side of each mounting block is fixedly connected with the inner side of the ventilating plate in an embedded mode, the lower end of the ventilating plate is fixedly connected with the upper end of the stirring block in an embedded mode, the number of the ventilating plates is two, the ventilating plates are arranged in a mirror symmetry mode, and the middle ends of the ventilating plates are designed in a hollow mode.
Preferably, the air permeable plate comprises a connecting block, an air permeable ring, a fixing plate and a flow guide block, the left side of the connecting block is fixedly connected with the right side of the mounting block, the air permeable ring is arranged in the fixing plate, the upper end of the fixing plate is fixedly connected with the lower end of the connecting block, the inner side of the flow guide block is fixedly connected with the outer side of the fixing plate, the upper end of the air permeable ring is provided with a slope flow guide plate, the fixing plate contains a flow pipe, the upper end of the flow guide plate is connected with the lower end of the air permeable ring, and the lower end of the flow guide plate is connected with the upper end of the stirring block.
As preferred, the water conservancy diversion piece includes guide plate, hinders liquid piece, intake pipe, mounting panel, fixed block, the guide plate lower extreme is connected with the mounting panel upper end is set in, it connects in the intake pipe inboard to hinder the liquid piece outside set in, the intake pipe outside is connected with the inboard block of fixed block, the mounting panel upper end welds with the fixed block lower extreme mutually, the mounting panel lower extreme is connected with the fixed plate outside set in, there is 25 contained angles between guide plate and the fixed block and installs, and the outside adopts four swash plates to install around.
Preferably, the liquid blocking block comprises a guide block, an installation wall, a limiting block, a flow storage block and an embedded plate, the lower end of the guide block is fixedly connected with the upper end of the installation wall, the left end of the guide block is vertically installed on the right side of the air inlet pipe, the lower end of the limiting block is vertically installed on the right side of the lower end of the installation wall, the left side of the flow storage block is connected with the lower end of the right side of the embedded plate in a clamping mode, the left side of the embedded plate is fixedly installed on the right side of the air inlet pipe, two flow guide pipes are arranged on the inner side of the installation wall, the upper end of one flow guide pipe is installed on the outer side of the upper end of the installation wall, and the right side of the other flow guide pipe is connected with the right side of the installation wall.
As preferred, the stirring piece includes mosaic block, air guide block, expansion plate, stripper plate, the mosaic block inboard is connected with the embedding of air guide block outside, the inboard embedding of air guide block is installed in the stripper plate outside, the expansion plate outside is connected with the inboard block of stripper plate, install the return spring at the expansion plate middle-end, and the flexible distance of expansion plate middle-end is shorter.
Preferably, the extrusion plate includes gas blow pipe, clamp plate, briquetting, lug, soft board, the gas blow pipe outside is connected with the inboard embedded solid of clamp plate, briquetting lower extreme block is connected in clamp plate right side upper end, the lug upper end is connected with clamp plate right side lower extreme embedded solid, soft board left side upper end is embedded solid and is connected in the gas blow pipe lower extreme, be equipped with two gas dissipation pieces in the gas blow pipe, and install perpendicularly in gas blow pipe upper end inboard.
Compared with the prior art, the invention has the following advantagesAdvantageous effects：
1. The rotating shaft is driven by the motor box to rotate the rake teeth, the elastic device pulls the lower connecting block to stretch under the action of centrifugation in the rotating process, and the total length of the rake teeth is lengthened to prevent water from losing evaporation due to the fact that the material at the bottom cannot be stirred by the rake teeth.
2. Make steam pass through the interior concave shape of guide plate through rotatory production conduct enter into the fixed plate in, enter into the air guide piece in the flow tube in the fixed plate afterwards, through the process promotion expansion plate to the material stirring, make expansion plate pressure briquetting extrusion clamp plate, make inside air release through the gas blow pipe through the lug to the extrusion of soft plate afterwards, fully make material and steam carry out abundant contact.
Drawings
FIG. 1 is a schematic structural diagram of a vacuum drying apparatus for engineering plastic production according to the present invention.
FIG. 2 is a schematic sectional front view of a tank of a vacuum drying apparatus for engineering plastic production according to the present invention.
Fig. 3 is a schematic front view of a rake tooth of the vacuum drying device for manufacturing engineering plastics according to the present invention.
Fig. 4 is a schematic structural diagram of a contact block of a vacuum drying device for manufacturing engineering plastics according to the present invention.
FIG. 5 is a schematic structural view of a gas-permeable plate of a vacuum drying apparatus for manufacturing engineering plastics according to the present invention.
Fig. 6 is a schematic view of an internal structure of a flow guide block of a vacuum drying device for engineering plastic preparation according to the present invention.
FIG. 7 is a sectional structure diagram of a liquid blocking block of the vacuum drying device for manufacturing engineering plastics according to the present invention.
FIG. 8 is a side view and a sectional view showing the structure of a stirring block of the vacuum drying apparatus for manufacturing engineering plastics according to the present invention.
Fig. 9 is a schematic view of the internal structure of a pressing plate of a vacuum drying apparatus for manufacturing engineering plastics according to the present invention.
In the figure: the device comprises a tank body-1, a transmission shaft-2, a motor box-3, a support seat-4, a discharge hole-5, a steam inlet pipe-11, a feed pipe-12, an evacuation pipe-13, a steam outlet pipe-14, a rotating shaft-15, rake teeth-16, a tank wall-17, a sealing cover-18, an upper armature block-161, an elastic device-162, a lower armature block-163, a fixed rod-164, a contact block-165, a connecting plate-651, a mounting block-652, a breathable plate-653, a stirring block-654, a connecting block-531, a breathable ring-532, a flow guide block-533, a fixed plate-534 flow guide plate-331, a liquid blocking block-332, an air inlet pipe-333, a mounting plate-334, a fixed block-335, a guide block-321, a mounting wall-322, a limiting block-323, a flow storage block-324, an embedding block-325, an embedding block-541, an embedding block-542, a telescopic plate-543, an extrusion plate-544, an air blowing pipe-441, a pressing plate-442, a pressing plate-443, a pressing plate-444, a soft plate-445.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Example 1
As shown in figures 1 to 5:
the invention provides a vacuum drying device for engineering plastic preparation, which structurally comprises a tank body 1, a transmission shaft 2, a motor box 3, a supporting seat 4 and a discharge hole 5, wherein the lower end of the tank body 1 is connected with the upper end of the supporting seat 4 in a welding manner, the left side of the transmission shaft 2 is fixedly embedded and connected with the right side of the tank body 1, the lower end of the motor box 3 is installed at the upper end of the supporting seat 4 in a welding manner, the left end of the motor box 3 is fixedly embedded and connected with the right end of the transmission shaft 2, the upper end of the discharge hole 5 is welded with the lower end of the tank body 1, the tank body 1 comprises a steam inlet pipe 11, a feed pipe 12, a vacuum pumping pipe 13, a steam outlet pipe 14, a rake tooth 16, a tank wall 17 and a sealing cover 18, the lower end of the steam inlet pipe 11 is welded with the upper end of the left side of the tank wall 17, the lower end of the feed pipe 12 is fixedly embedded and connected with the upper end of the tank wall 17, the lower end of the vacuum pipe 13 is fixedly embedded and installed at the upper end of the tank wall 17, the lower end of the steam outlet pipe 14 is welded with the upper end of the right side of the tank wall 17, the outer side of the sealing plate 15 is fixedly connected with the rake tooth 16 in a welding manner.
The rake teeth 16 comprise an upper engaging block 161, an elastic device 162, a lower engaging block 163, a fixing rod 164 and a contact block 165, wherein the lower end of the upper engaging block 161 is fixedly embedded in the upper end of the elastic device 162, the lower end of the elastic device 162 is fixedly embedded in the upper end of the lower engaging block 163, the lower end of the fixing rod 164 is fixedly embedded in the upper end of the contact block 165, two telescopic rods with fixed positions are arranged at the two ends of the elastic device 162, an included angle between the two telescopic rods is 140 degrees, and the phenomenon that the upper engaging block and the lower engaging block 163 are subjected to centrifugal force to generate position deviation when the rake teeth 16 rotate can be prevented.
The contact block 165 comprises a connecting plate 651, mounting blocks 652, air permeable plates 653 and stirring blocks 654, the lower end of the connecting plate 651 is connected with the upper ends of the air permeable plates 653 in a clamping manner, the outer sides of the mounting blocks 652 are fixedly connected with the inner sides of the air permeable plates 653, the lower ends of the air permeable plates 653 are fixedly connected with the upper ends of the stirring blocks 654, the number of the air permeable plates 653 is two, the air permeable plates 653 are connected in a mirror symmetry mounting manner, the middle ends of the air permeable plates are designed in a hollow-out form, and steam can enter the stirring blocks 654 through the air permeable plates 653 to release steam for materials in the process that the contact block 165 is driven by the rotation of the rotating shaft 15.
The breathable plate 653 comprises a connecting block 531, a breathable ring 532, a fixing plate 534, and a flow guide block 533, wherein the left side of the connecting block 531 is fixedly connected to the right side of the mounting block 652, the breathable ring 532 is disposed in the fixing plate 534, the upper end of the fixing plate 534 is fixedly connected to the lower end of the connecting block 531, the inner side of the flow guide block 533 is fixedly connected to the outer side of the fixing plate 534, the upper end of the breathable ring 532 is provided with a tapered flow guide plate 331, the fixing plate 534 contains a flow tube, the upper end of the breathable ring 532 is connected to the lower end of the breathable ring 532, the lower end of the breathable ring is connected to the upper end of the stirring block 654, the breathable plate 653 can be driven by the rake teeth 16 to guide steam into the flow tube through the breathable ring 532 in the rotating process, and then the steam enters the stirring block 654 through the flow tube to heat the material.
The specific use mode and function of the embodiment are as follows:
according to the invention, after materials are put into the feeding pipe 12, air in the tank body 1 is extracted through the evacuation pipe 13, steam is input from the steam inlet pipe 11, the motor box 3 is started to drive the transmission shaft 2 to rotate the rotating shaft 15, the upper holding block 161 and the lower holding block 163 are subjected to centrifugal force in the rotating process to enable the elastic device 162 to extend outwards, the length of the rake teeth 16 is extended to stir the materials at the bottom of the tank body 1, airflow is generated in the rotating process of the contact block 165, the steam enters from the air permeable ring 532 and then enters from the flow pipe in the fixed plate 534, the steam is filled into the stirring block 654 to stir and evaporate the materials, the materials in the tank body 1 are evaporated and then are together evacuated through the evacuation pipe 13, the motor box 3 is stopped after processing is finished, the elastic device 162 is pulled back to the whole length, and then the discharge port 5 is opened to take out the materials in the tank body.
Example 2
As shown in fig. 6 to 9:
the invention provides a vacuum drying device for engineering plastic preparation, wherein a flow guide block 533 comprises a flow guide plate 331, a liquid blocking block 332, an air inlet pipe 333, an installation plate 334 and a fixed block 335, the lower end of the flow guide plate 331 is fixedly connected with the upper end of the installation plate 334, the outer side of the liquid blocking block 332 is fixedly connected with the inner side of the air inlet pipe 333, the outer side of the air inlet pipe 333 is connected with the inner side of the fixed block 335 in a clamping manner, the upper end of the installation plate 334 is welded with the lower end of the fixed block 335, the lower end of the installation plate 334 is fixedly connected with the outer side of a fixed plate 534, an included angle of 25 degrees is formed between the flow guide plate 331 and the fixed block 335 for installation, four inclined plates are adopted on the outer side for installation, and steam in a tank can be guided into the air inlet pipe 333 by a ventilating plate 653 when the ventilating plate 653 moves.
The liquid blocking block 332 comprises a guide block 321, an installation wall 332, a limiting block 323, a liquid storage block 324 and an embedding plate 325, the lower end of the guide block 321 is fixedly connected with the upper end of the installation wall 332, the left end of the guide block 321 is vertically installed on the right side of the air inlet pipe 333, the lower end of the limiting block 323 is vertically installed on the right side of the lower end of the installation wall 332, the left side of the liquid storage block 324 is connected with the lower end of the right side of the embedding plate 325 in a clamping manner, the left side of the embedding plate 325 is fixedly installed on the right side of the air inlet pipe 333 in an embedding manner, two guide pipes are arranged on the inner side of the installation wall 332, the upper end of one guide pipe is installed on the outer side of the upper end of the installation wall 332, and the right side of the other guide pipe is connected with the right side of the installation wall 332, so that when water drops are generated in the wall of the air inlet pipe 333, the water is stored in the liquid storage block 324 through the guide pipes.
Wherein, stirring piece 654 includes mosaic block 541, air guide block 542, expansion plate 543, stripper plate 544, mosaic block 541 is inboard to be connected with the outside of air guide block 542 in an embedded manner, the inboard embedded installation of air guide block 542 is in the stripper plate 544 outside, the expansion plate 543 outside is connected with the inboard block of stripper plate 544, install the resilience spring at the expansion plate 543 middle-end, and the flexible distance of expansion plate 543 middle-end is shorter, can make expansion plate 543 carry out the middle-end block after moving inwards to the fractional distance, lose afterwards to strut expansion plate 543 behind the driving force, make the expansion plate 543 outside remove along the inboard left end of stripper plate 544.
The extrusion plate 544 comprises an air blowing pipe 441, a pressing plate 442, a pressing block 443, a protruding block 444 and a soft plate 445, the outer side of the air blowing pipe 441 is fixedly connected with the inner side of the pressing plate 442 in an embedded manner, the lower end of the pressing block 443 is connected to the upper end of the right side of the pressing plate 442 in an embedded manner, the upper end of the protruding block 444 is fixedly connected to the lower end of the right side of the pressing plate 442 in an embedded manner, the upper end of the left side of the soft plate 445 is fixedly connected to the lower end of the air blowing pipe 441 in an embedded manner, two air dispersing blocks are installed in the air blowing pipe 441 and are vertically installed on the inner side of the upper end of the air blowing pipe 441, and therefore steam can be dispersed outside in a large amount after being extruded and the contact amount of materials and steam is increased.
The specific use mode and function of the embodiment are as follows:
in the invention, when the air-permeable plate 653 swings, steam enters the air inlet pipe 333 through the guide plate 331, when water drops are generated on the inner wall of the air inlet pipe 333, the steam is drawn into the guide pipe on the upper side of the mounting wall 322 through the guide block 321, part of the water drops slide on the right side of the mounting wall 322 and enter the guide pipe on the lower end under the blocking of the limiting block 323, then the water drops are stored in the flow storage block 324, the rest of the steam enters the flow pipe in the expansion plate 534 through the air inlet pipe 333, then enters the air guide block 542 through the air inlet hole on the upper end of the mosaic block 541, when the stirring block 654 stirs the material, the material pushes the expansion plate 543 to move inwards, so that the expansion plate 543 moves to the upper end of the pressing block 443 to press, the pressing block 543 presses the soft plate 445 through the pressing block 443 to press the steam inside, so that the steam is dispersed by the air-dispersing block in the air blowing pipe 441 along with the air blowing pipe 441, and the steam is blown out to achieve the effect of stirring the effect of blowing the stirring block 654 while stirring, thereby increasing the drying speed of the material.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (1)
1. A vacuum drying device for engineering plastic preparation structurally comprises a tank body (1), a transmission shaft (2), a motor box (3), a supporting seat (4) and a discharge port (5), wherein the lower end of the tank body (1) is connected with the upper end of the supporting seat (4) in a welding manner, the left side of the transmission shaft (2) is fixedly connected with the right side of the tank body (1), the lower end of the motor box (3) is installed at the upper end of the supporting seat (4) in a welding manner, the left end of the motor box (3) is fixedly connected with the right end of the transmission shaft (2) in a welding manner, and the upper end of the discharge port (5) is welded with the lower end of the tank body (1); the method is characterized in that:
the tank body (1) comprises a steam inlet pipe (11), a feed pipe (12), a vacuum pipe (13), a steam outlet pipe (14), a rotating shaft (15), rake teeth (16), a tank wall (17) and a sealing cover (18), wherein the lower end of the steam inlet pipe (11) is welded with the upper end of the left side of the tank wall (17), the lower end of the feed pipe (12) is fixedly connected with the upper end of the tank wall (17), the lower end of the vacuum pipe (13) is fixedly installed at the upper end of the tank wall (17), the lower end of the steam outlet pipe (14) is welded with the upper end of the right side of the tank wall (17), the outer side of the rotating shaft (15) is welded and installed at the inner side of the rake teeth (16), and the inner side of the sealing plate is fixedly connected with the outer side of the tank wall;
the rake teeth (16) comprise an upper engaging block (161), an elastic device (162), a lower engaging block (163), a fixing rod (164) and a contact block (165), the lower end of the upper engaging block (161) is fixedly installed at the upper end of the elastic device (162), the lower end of the elastic device (162) is fixedly installed at the upper end of the lower engaging block (163), and the lower end of the fixing rod (164) is fixedly connected with the upper end of the contact block (165);
the contact block (165) comprises a connecting plate (651), a mounting block (652), a ventilating plate (653) and a stirring block (654), the lower end of the connecting plate (651) is connected with the upper end of the ventilating plate (653) in a clamping manner, the outer side of the mounting block (652) is fixedly connected with the inner side of the ventilating plate (653), and the lower end of the ventilating plate (653) is fixedly connected with the upper end of the stirring block (654);
the breathable plate (653) comprises a connecting block (531), a breathable ring (532), a fixing plate (534) and a flow guide block (533), the left side of the connecting block (531) is fixedly connected with the right side of the mounting block (652), the breathable ring (532) is arranged in the fixing plate (534), the upper end of the fixing plate (534) is fixedly connected with the lower end of the connecting block (531), and the inner side of the flow guide block (533) is fixedly connected with the outer side of the fixing plate (534);
the flow guide block (533) comprises a flow guide plate (331), a liquid blocking block (332), an air inlet pipe (333), a mounting plate (334) and a fixing block (335), the lower end of the flow guide plate (331) is fixedly connected with the upper end of the mounting plate (334), the outer side of the liquid blocking block (332) is fixedly connected to the inner side of the air inlet pipe (333) in an embedded mode, the outer side of the air inlet pipe (333) is connected with the inner side of the fixing block (335) in a clamped mode, the upper end of the mounting plate (334) is welded with the lower end of the fixing block (335), and the lower end of the mounting plate (334) is fixedly connected with the outer side of the fixing plate (534) in an embedded mode;
the liquid blocking block (332) comprises a guide block (321), an installation wall (332), a limiting block (323), a flow storage block (324) and an embedded plate (325), the lower end of the guide block (321) is embedded and fixedly connected with the upper end of the installation wall (332), the left end of the guide block (321) is vertically installed on the right side of the air inlet pipe (333), the lower end of the limiting block (323) is vertically installed on the right side of the lower end of the installation wall (332), the left side of the flow storage block (324) is clamped and connected with the lower end of the right side of the embedded plate (325), and the left side of the embedded plate (325) is embedded and fixedly installed on the right side of the air inlet pipe (333);
the stirring block (654) comprises an inlay block (541), an air guide block (542), an expansion plate (543) and an extrusion plate (544), wherein the inner side of the inlay block (541) is fixedly embedded and connected with the outer side of the air guide block (542), the inner side of the air guide block (542) is fixedly embedded and installed on the outer side of the extrusion plate (544), and the outer side of the expansion plate (543) is connected with the inner side of the extrusion plate (544) in a clamping manner;
the extrusion plate (544) comprises an air blowing pipe (441), a pressing plate (442), a pressing block (443), a protruding block (444) and a soft plate (445), the outer side of the air blowing pipe (441) is fixedly embedded and connected with the inner side of the pressing plate (442), the lower end of the pressing block (443) is connected to the upper end of the right side of the pressing plate (442) in a clamping mode, the upper end of the protruding block (444) is fixedly embedded and connected with the lower end of the right side of the pressing plate (442), and the upper end of the left side of the soft plate (445) is fixedly embedded and connected to the lower end of the air blowing pipe (441).
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