CN111829297A - Low-temperature low-vacuum drying equipment - Google Patents
Low-temperature low-vacuum drying equipment Download PDFInfo
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- CN111829297A CN111829297A CN202010668725.3A CN202010668725A CN111829297A CN 111829297 A CN111829297 A CN 111829297A CN 202010668725 A CN202010668725 A CN 202010668725A CN 111829297 A CN111829297 A CN 111829297A
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- water bath
- bath heating
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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
- F26B5/042—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 for drying articles or discrete batches of material in a continuous or semi-continuous operation, e.g. with locks or other air tight arrangements for charging/discharging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/14—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by trays or racks or receptacles, which may be connected to endless chains or belts
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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
- 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
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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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
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
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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
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
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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
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/003—Handling, e.g. loading or unloading arrangements for articles
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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
- F26B25/005—Treatment of dryer exhaust gases
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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
- F26B25/009—Alarm systems; Safety sytems, e.g. preventing fire and explosions
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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
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
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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
- F26B25/066—Movable chambers, e.g. collapsible, demountable
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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 discloses low-temperature low-vacuum drying equipment which comprises at least one group of water bath heating mechanism, a vacuumizing device and a medicine containing tray transfer mechanism arranged above a transmission system, wherein the medicine containing tray transfer mechanism comprises a conveying system and a conveying system; the medicine containing tray transfer mechanism grabs and transfers the medicine containing trays placed on the transmission system to the vacuumizing device; the water bath heating mechanism can vertically reciprocate above the vacuumizing device and is in sealing connection with the upper part of the medicine containing disc, and the water bath heating mechanism heats air and performs drying operation through the medicine containing disc; the vacuumizing device is communicated with and hermetically connected with the bottom of the medicine containing tray and evacuates hot air in the medicine containing tray. According to the invention, the hot water bag above the explosive tray is heated by hot water, the air above the explosive tray is indirectly heated, and the hot air is matched with the vacuumizing device, so that the contact between the hot air and the explosive is used for realizing rapid drying, thereby not only realizing the low-temperature safe drying of the primary explosive, but also improving the drying efficiency of the primary explosive.
Description
Technical Field
The invention relates to the technical field of primary explosive processing, in particular to low-temperature low-vacuum drying equipment.
Background
The primary explosive is a necessary component for producing the detonator, and is a sensitive explosive which is easy to be excited by external energy to burn or explode and can quickly form detonation. In the production process of the initiating explosive, the initiating explosive needs to be dried in vacuum, one of the keys of the continuous automatic production technology of the initiating explosive is to solve the technical problem of online, continuous and automatic heating and drying of the initiating explosive, and the vacuum drying of the initiating explosive is realized by manual operation at present. However, since the sensitivity of the initiating explosive is high and the risk of the dried initiating explosive is high, it is very dangerous to manually convey the initiating explosive dispensing tray containing the initiating explosive, and the degree of automation of such a method is low, resulting in very low production efficiency.
Disclosure of Invention
The purpose of this patent is in order to provide a low temperature low vacuum drying equipment, through the hot water package of hot water heating batch pan top, the air of indirect heating batch pan top utilizes hot-air and evacuating device to cooperate, and the contact of hot-air and medicine realizes fast drying, realizes the low temperature fast drying of initiating explosive.
In order to achieve the purpose, the following technical scheme is adopted in the patent:
a low-temperature low-vacuum drying device comprises at least one group of water bath heating mechanism, a vacuumizing device and a medicine containing tray transfer mechanism arranged above a transmission system;
the medicine containing tray transfer mechanism grabs and transfers the medicine containing trays placed on the transmission system to the vacuumizing device;
the water bath heating mechanism can vertically reciprocate above the vacuumizing device and is in sealing connection with the upper part of the medicine containing disc, and the water bath heating mechanism heats air and performs drying operation through the medicine containing disc;
the vacuumizing device is communicated with and hermetically connected with the bottom of the medicine containing tray and evacuates hot air in the medicine containing tray.
Preferably, the water bath heating mechanism comprises a second fixing frame, a water bath heating bag lifting cylinder and a water bath heating bag;
the number of the second fixing frames is two, the two second fixing frames are arranged in parallel with the conveying direction of the conveying system, the two second fixing frames are welded through a fixing plate, the cylinder seat end of the water bath heating bag lifting cylinder is fixed on the fixing plate, and the piston end of the water bath heating bag lifting cylinder penetrates through the fixing plate and is fixedly connected with the water bath heating bag;
two limiting rods are arranged on the fixing plate and positioned on two sides of the lifting cylinder of the water bath heating bag in a penetrating manner, and the bottoms of the limiting rods are fixedly connected with the water bath heating bag;
the inside cavity that is used for depositing hydrothermal that is provided with of water bath heating package, several cold air inlet has been seted up on the outer wall of water bath heating package, a plurality of hot-blast holes have been seted up to the bottom of water bath heating package, and be provided with the air duct that is linked together with cold air inlet in the cavity of water bath heating package, the other end of air duct leads to the hot-blast hole.
Preferably, the water bath heating bag is detachably connected with a wind shield at an outlet of each hot air hole, and a gap is reserved between the wind shield and the hot air hole.
Preferably, the vacuumizing device comprises a vacuum suction hopper, a vacuum generator and a drying table arranged on a third fixing frame;
the vacuum suction hopper is fixedly arranged at the bottom of the drying table, an opening structure matched with the top of the vacuum suction hopper is arranged on the drying table, a rubber sealing gasket is annularly nested on the opening structure, and the drying table is connected with the medicine containing disc in a sealing mode through the rubber sealing gasket;
the vacuum generator is erected on the third fixing frame, an air inlet of the vacuum generator is communicated with an outlet end at the bottom of the vacuum suction hopper through an air pipe, and an air outlet of the vacuum generator is communicated with the outside through the air pipe;
and a proximity switch is arranged on the drying table close to the opening structure, and the output signal end of the proximity switch is connected with a water bath heating bag lifting cylinder of the water bath heating mechanism.
Preferably, evacuating device is still including transparent material's water filter tank, the detachable sealing connection in upper portion of water filter tank has the upper cover, the inside of water filter tank is provided with the toper cavity, is located the middle part of toper cavity is provided with the filter plate, the middle part of filter plate runs through and is provided with coupling hose, the inside below that is located the filter plate of water filter tank has held the clear water, the trachea that the bottom exit end of vacuum suction hopper is connected passes the upper cover and is connected with coupling hose and accesss to the clear water of filter plate below, the outer wall of water filter tank is located and has seted up the through-hole on the liquid level of clear water, vacuum generator's air inlet is connected with this through-hole through the trachea.
Preferably, the medicine containing tray transferring mechanism comprises a medicine containing tray transferring cylinder longitudinally arranged on a first fixing frame, the first fixing frame is arranged along the conveying direction of the conveying system, the cylinder seat end of the medicine containing tray transferring cylinder is fixedly connected with the first fixing frame, and the piston end of the medicine containing tray transferring cylinder is connected with a manipulator used for grabbing a medicine containing tray.
Preferably, the first fixing frame is provided with guide rails at two sides of the medicine containing tray transfer cylinder, the guide rails are slidably connected with guide rods, and the front ends of the guide rods are fixedly connected with the manipulator.
The invention has the beneficial effects that:
(1) according to the invention, the hot water bag above the explosive tray is heated by hot water, the air above the explosive tray is indirectly heated, the hot air is matched with the vacuumizing device, the contact between the hot air and the explosive realizes quick drying, the low-temperature quick drying of the primary explosive is realized, the vacuum generator is adopted for suction, no mechanical friction exists, no power is introduced, and the safety is ensured.
(2) According to the invention, the transfer of the medicine containing tray on the conveying line and the drying table is realized by using the manipulator, so that the labor intensity of operators is reduced, the production efficiency is improved, the production time is shortened, and the energy consumption is reduced.
(3) In the invention, moisture pumped by the vacuum generator is directly introduced into the transparent water filter tank to filter medicinal powder possibly contained in the transparent water filter tank, and water in the water filter tank is periodically collected and sold for explosion, thereby improving the safety level.
(4) According to the invention, the wind shields are correspondingly arranged on each hot air hole on the water bath heating bag, so that hot air can be prevented from directly blowing on the medicinal powder, and the medicinal powder is prevented from being stuck on the water bath heating bag due to dust.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a low-temperature low-vacuum drying apparatus according to the present invention;
fig. 2 is a front view of a low-temperature low-vacuum drying apparatus proposed in the present invention;
fig. 3 is a top view of the low-temperature low-vacuum drying apparatus proposed in the present invention;
FIG. 4 is a side view of the low temperature and low vacuum drying apparatus proposed in the present invention;
FIG. 5 is an assembly diagram of a water bath heating mechanism, a drug tray and a drying table of the low-temperature low-vacuum drying device provided by the invention;
FIG. 6 is a schematic bottom structure view of a water bath heating bag of the low temperature and low vacuum drying apparatus of the present invention;
FIG. 7 is a structural diagram of a vacuum extractor of the low temperature and low vacuum drying apparatus according to the present invention;
fig. 8 is an internal structure view of a water filter tank of the low-temperature low-vacuum drying device according to the present invention.
In the figure: 1. a first fixing frame; 2. a second fixing frame; 3. a drying table; 4. a water filtration tank; 5. a water bath heating mechanism; 6. a drug containing tray transfer cylinder; 7. a guide rail; 8. a guide bar; 9. a manipulator; 10. a third fixing frame; 11. an upper cover; 12. a water bath heating bag lifting cylinder; 13. a limiting rod; 14. a fixing plate; 15. a water bath heating bag; 16. a cold air inlet; 17. a medicine containing tray; 18. a rubber gasket; 19. a vacuum suction hopper; 20. hot air holes; 21. a wind deflector; 22. a transmission system; 23. a vacuum generator; 24. an air outlet; 25. an air inlet; 26. an air tube; 27. a connecting hose; 28. filtering the plate; 29. a proximity switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
A low-temperature and low-vacuum drying apparatus according to an embodiment of the present invention is described in detail below with reference to fig. 1 to 8.
Referring to fig. 1-4, the low-temperature and low-vacuum drying apparatus includes at least one set of water-bath heating mechanism 5, a vacuum-pumping device, and a tray transfer mechanism disposed above a conveying system 22, and in actual production, the number of different stations can be adjusted according to production requirements, in this embodiment, 8 stations are provided, and each station dries 1 tray of medicine, the amount of 1 tray of medicine is 1.25 kg, and 10 kg in total; when the equipment acts, the medicine containing tray transfer mechanism grabs and transfers the medicine containing trays 17 placed on the transmission system 22 to the vacuum-pumping device; the water bath heating mechanism 5 can vertically reciprocate above the vacuumizing device and is in sealing connection with the upper part of the explosive containing disc 17, hot water with the temperature of 50-70 ℃ is injected into the water bath heating mechanism 5, and air passes through the explosive containing disc 17 after being heated by the hot water and dries the primary explosive in the explosive containing disc 17; after the initiating explosive is dried, because the vacuum extractor is communicated and hermetically connected with the bottom of the explosive containing tray 17, the vacuum extractor starts to evacuate hot air in the explosive containing tray 17, so that the initiating explosive is quickly dried, and what needs to be explained is that the explosive containing tray 17 in the invention adopts the prior art, the specific structure of the novel explosive containing tray refers to the utility model with the application number of 201922485176.1 and the name of an initiating explosive transport tray, and the structure of the explosive containing tray 17 is not repeated herein.
Specifically, as shown in fig. 1 and 5, the water bath heating mechanism 5 includes a second fixing frame 2, a water bath heating bag lifting cylinder 12, and a water bath heating bag 15; the two second fixing frames 2 are arranged in parallel with the conveying direction of the conveying system 22, the two second fixing frames 2 are welded through a fixing plate 14, a cylinder seat end of a water bath heating bag lifting cylinder 12 is fixed on the fixing plate 14, a piston end of the water bath heating bag lifting cylinder 12 penetrates through the fixing plate 14 to be fixedly connected with a water bath heating bag 15, the water bath heating bag lifting cylinder 12 controls the water bath heating bag 15 to reciprocate and linearly move above the vacuumizing device, continuous heating and drying of the medicine containing tray 17 can be achieved, a rubber sealing gasket 18 is also arranged on the water bath heating bag 15, the medicine containing tray 17 and the water bath heating bag 15 form a closed space which is isolated from the outside, and hot air leakage is avoided;
in order to improve the motion stability of the water bath heating bag 15, two limiting rods 13 are arranged on the fixing plate 14 and positioned on two sides of the water bath heating bag lifting cylinder 12 in a penetrating manner, the bottoms of the limiting rods 13 are fixedly connected with the water bath heating bag 15, the water bath heating bag 15 moves and synchronously moves with the two limiting rods 13, and the limiting rods 1 are arranged in a penetrating manner on the fixing plate 14, so that the linear movement of the water bath heating bag 15 can be guaranteed, and the water bath heating bag 15 is accurately matched with the medicine containing tray 17;
inside being provided with of water bath heating package 15 is used for depositing hydrothermal cavity, several cold air inlet 16 has been seted up on the outer wall of water bath heating package 15, a plurality of hot-blast holes 20 have been seted up to the bottom of water bath heating package 15, and be provided with the air duct that is linked together with cold air inlet 16 in the cavity of water bath heating package 15, air duct's the other end leads to hot-blast hole 20, cold air is blown out from hot-blast hole 20 through hot water formation hot-blast after cold air inlet 16 gets into water bath heating package 15, hot-blast from last medicine tray 17 that down passes, the initiating explosive fully contacts with hot-blast and carries out the heat exchange.
As shown in fig. 6, in order to prevent the discharged air from directly blowing on the medicine surface, the water bath heating bag 15 is detachably connected with a wind shield 21 at the outlet of each hot air hole 20, a gap is reserved between the wind shield 21 and the hot air hole 20, and the hot air hole 20 transversely blows to the medicine powder through the flow guiding effect of the wind shield 21, so that the vertical direct-blowing of the medicine powder is avoided.
As shown in fig. 7, the vacuum extractor in this embodiment includes a vacuum suction hopper 19, a vacuum generator 23, and a drying table 3 mounted on a third fixing frame 10;
the vacuum suction hopper 19 is fixedly arranged at the bottom of the drying table 3, an opening structure matched with the top of the vacuum suction hopper 19 is arranged on the drying table 3, a rubber sealing gasket 18 is annularly nested on the opening structure, and the drying table 3 is hermetically connected with the medicine containing tray 17 through the rubber sealing gasket 18, so that a closed space is formed in the vacuum suction hopper 19, and the vacuum generator 23 is favorable for evacuating hot and humid air;
the vacuum generator 23 is erected on the third fixing frame 10, an air inlet 25 of the vacuum generator 23 is communicated with the bottom outlet end of the vacuum suction hopper 19 through an air pipe 26, an air outlet 24 of the vacuum generator 23 is communicated with the outside through the air pipe 26, the vacuum generator 23 works to enable the vacuum suction hopper 19 to form negative pressure, heated hot air with the temperature of about 30 ℃ penetrates through the medicine under the action of the negative pressure, heat exchange is completed, and drying of the medicine is achieved;
in order to realize the continuity and the automation of the equipment, a proximity switch 29 is arranged on the drying platform 3 close to the opening structure, the output signal end of the proximity switch 29 is connected with a water bath heating bag lifting cylinder 12 of the water bath heating mechanism 5, and when the medicine containing tray 17 is close to the drying platform 3, the water bath heating bag lifting cylinder 12 acts to drive a water bath heating bag 15 to move downwards to cover the medicine containing tray 17.
Further, in this embodiment, the vacuum pumping device further includes a water filtering tank 4 made of transparent material, the upper portion of the water filtering tank 4 is detachably and hermetically connected with an upper cover 11, a conical cavity is arranged inside the water filtering tank 4, a filtering plate 28 is arranged in the middle of the conical cavity, a connecting hose 27 is arranged in the middle of the filtering plate 28 in a penetrating manner, clear water is contained in the water filtering tank 4 below the filtering plate 28, an air pipe 26 connected to the bottom outlet end of the vacuum suction hopper 19 penetrates through the upper cover 11 and is connected with the connecting hose 27 to be led into the clear water below the filtering plate 28, a through hole is arranged on the outer wall of the water filtering tank 4 above the liquid level of the clear water, an air inlet 25 of the vacuum generator 23 is connected with the through hole through the air pipe 26, negative pressure is formed in the water filtering tank 4 when the vacuum generator 23 works, the sucked moisture is directly introduced into the transparent water filtering tank 4 and is, the powder possibly contained in the powder is filtered, and water below the filter plate 28 is periodically collected and is subjected to pin blasting, so that the safety level is improved.
As shown in fig. 1, the medicine containing tray transferring mechanism comprises a medicine containing tray transferring cylinder 6 longitudinally installed on a first fixing frame 1, the first fixing frame 1 is arranged along the conveying direction of a conveying system 22, the cylinder seat end of the medicine containing tray transferring cylinder 6 is fixedly connected with the first fixing frame 1, the piston end of the medicine containing tray transferring cylinder 6 is connected with a manipulator 9 used for grabbing a medicine containing tray 17, and the manipulator 9 controls the medicine containing tray 17 placed on the conveying system 22 continuously through the medicine containing tray transferring cylinder 6 to grab and transfer the medicine containing tray onto the drying table 3.
In addition, in order to improve the accuracy of the movement of the medicine containing tray transferring cylinder 6, guide rails 7 are erected on two sides of the medicine containing tray transferring cylinder 6 on the first fixing frame 1, a guide rod 8 is connected to the guide rails 7 in a sliding mode, the front end of the guide rod 8 is fixedly connected with the manipulator 9, the guide rails 7 effectively limit the movement track of the medicine containing tray transferring cylinder 6, and the manipulator 9 is ensured to be capable of accurately positioning and grabbing.
The invention provides low-temperature low-vacuum drying equipment, when in work, a medicine containing tray 17 is conveyed into a drying room through a conveying system 22, the system conveys the medicine containing tray 17 to a corresponding drying station according to the sequence of the medicine containing tray 17, a manipulator 9 holds the medicine containing tray 17 and transfers the medicine containing tray to a drying platform 3, a water bath heating bag lifting cylinder 12 acts to cover a water bath heating bag 15 above the medicine containing tray 17 to form a closed space, a vacuumizing device positioned at the lower part of the medicine containing tray 17 works, hot air passes through the medicine containing tray 17 from top to bottom, medicines are fully contacted with the hot air for heat exchange, a temperature sensor arranged below a vacuum suction hopper 19 detects the suction temperature in real time, if the temperature reaches the drying time and reaches the process setting, the water bath heating bag 15 is lifted, the manipulator 9 holds the medicine containing tray 17 and puts the medicine containing tray back to the transportation system 22 to be sent to the next processing link, wherein the moisture pumped by the vacuum generator 23 is directly introduced into the transparent water filter tank 4 and is filtered by water.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (7)
1. Low low vacuum drying equipment of low temperature, its characterized in that: comprises at least one group of water bath heating mechanism, a vacuum pumping device and a medicine containing tray transfer mechanism arranged above a transmission system;
the medicine containing tray transfer mechanism grabs and transfers the medicine containing trays placed on the transmission system to the vacuumizing device;
the water bath heating mechanism can vertically reciprocate above the vacuumizing device and is in sealing connection with the upper part of the medicine containing disc, and the water bath heating mechanism heats air and performs drying operation through the medicine containing disc;
the vacuumizing device is communicated with and hermetically connected with the bottom of the medicine containing tray and evacuates hot air in the medicine containing tray.
2. The low temperature and low vacuum drying apparatus according to claim 1, wherein: the water bath heating mechanism comprises a second fixing frame, a water bath heating bag lifting cylinder and a water bath heating bag;
the number of the second fixing frames is two, the two second fixing frames are arranged in parallel with the conveying direction of the conveying system, the two second fixing frames are welded through a fixing plate, the cylinder seat end of the water bath heating bag lifting cylinder is fixed on the fixing plate, and the piston end of the water bath heating bag lifting cylinder penetrates through the fixing plate and is fixedly connected with the water bath heating bag;
two limiting rods are arranged on the fixing plate and positioned on two sides of the lifting cylinder of the water bath heating bag in a penetrating manner, and the bottoms of the limiting rods are fixedly connected with the water bath heating bag;
the inside cavity that is used for depositing hydrothermal that is provided with of water bath heating package, several cold air inlet has been seted up on the outer wall of water bath heating package, a plurality of hot-blast holes have been seted up to the bottom of water bath heating package, and be provided with the air duct that is linked together with cold air inlet in the cavity of water bath heating package, the other end of air duct leads to the hot-blast hole.
3. The low temperature and low vacuum drying apparatus according to claim 2, wherein: the water bath heating bag is provided with a wind shield at the outlet of each hot air hole in a detachable mode, and a gap is reserved between the wind shield and the hot air holes.
4. The low temperature and low vacuum drying apparatus according to claim 2, wherein: the vacuumizing device comprises a vacuum suction hopper, a vacuum generator and a drying table arranged on a third fixing frame;
the vacuum suction hopper is fixedly arranged at the bottom of the drying table, an opening structure matched with the top of the vacuum suction hopper is arranged on the drying table, a rubber sealing gasket is annularly nested on the opening structure, and the drying table is connected with the medicine containing disc in a sealing mode through the rubber sealing gasket;
the vacuum generator is erected on the third fixing frame, an air inlet of the vacuum generator is communicated with an outlet end at the bottom of the vacuum suction hopper through an air pipe, and an air outlet of the vacuum generator is communicated with the outside through the air pipe;
and a proximity switch is arranged on the drying table close to the opening structure, and the output signal end of the proximity switch is connected with a water bath heating bag lifting cylinder of the water bath heating mechanism.
5. The low temperature and low vacuum drying apparatus according to claim 4, wherein: the vacuum pumping device is characterized by further comprising a water filter tank made of transparent materials, an upper cover is detachably and hermetically connected to the upper portion of the water filter tank, a conical cavity is arranged inside the water filter tank and located in the middle of the conical cavity, a connecting hose penetrates through the middle of the filter plate, clear water is contained below the filter plate located inside the water filter tank, an air pipe connected to the bottom outlet end of the vacuum pumping hopper penetrates through the upper cover and is connected with the connecting hose to the clear water below the filter plate, a through hole is formed in the outer wall of the water filter tank and located above the liquid level of the clear water, and an air inlet of the vacuum generator is connected with the through hole through the air pipe.
6. The low temperature and low vacuum drying apparatus according to claim 1, wherein: the medicine containing tray transferring mechanism comprises a medicine containing tray transferring cylinder longitudinally arranged on a first fixing frame, the first fixing frame is arranged along the conveying direction of the conveying system, the cylinder seat end of the medicine containing tray transferring cylinder is fixedly connected with the first fixing frame, and the piston end of the medicine containing tray transferring cylinder is connected with a manipulator used for grabbing a medicine containing tray.
7. The low temperature and low vacuum drying apparatus of claim 6, wherein: the guide rails are erected on two sides of the first fixing frame, which are located on the medicine containing tray transfer cylinder, the guide rails are located on the guide rails and are connected with guide rods in a sliding mode, and the front ends of the guide rods are fixedly connected with the manipulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010668725.3A CN111829297A (en) | 2020-07-13 | 2020-07-13 | Low-temperature low-vacuum drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010668725.3A CN111829297A (en) | 2020-07-13 | 2020-07-13 | Low-temperature low-vacuum drying equipment |
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| CN111829297A true CN111829297A (en) | 2020-10-27 |
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| CN202010668725.3A Pending CN111829297A (en) | 2020-07-13 | 2020-07-13 | Low-temperature low-vacuum drying equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054427A (en) * | 2021-11-26 | 2022-02-18 | 歌尔科技有限公司 | Earphone belt cleaning device |
| CN114459209A (en) * | 2022-01-28 | 2022-05-10 | 福建省民爆化工股份有限公司 | Intelligent drying method and device for civil explosive chemical agent |
-
2020
- 2020-07-13 CN CN202010668725.3A patent/CN111829297A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054427A (en) * | 2021-11-26 | 2022-02-18 | 歌尔科技有限公司 | Earphone belt cleaning device |
| CN114459209A (en) * | 2022-01-28 | 2022-05-10 | 福建省民爆化工股份有限公司 | Intelligent drying method and device for civil explosive chemical agent |
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