CN114963703A - Vacuum type oven with pressure protection function - Google Patents
Vacuum type oven with pressure protection function Download PDFInfo
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- CN114963703A CN114963703A CN202210627471.XA CN202210627471A CN114963703A CN 114963703 A CN114963703 A CN 114963703A CN 202210627471 A CN202210627471 A CN 202210627471A CN 114963703 A CN114963703 A CN 114963703A
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- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- 239000011261 inert gas Substances 0.000 claims abstract description 41
- 238000001035 drying Methods 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 16
- 239000011148 porous material Substances 0.000 claims description 15
- 238000005485 electric heating Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 230000007306 turnover Effects 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Classifications
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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
- 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
- F26B21/14—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects using gases or vapours other than air or steam, e.g. inert gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
-
- 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
-
- 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
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
- F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B7/00—Drying solid materials or objects by processes using a combination of processes not covered by a single one of groups F26B3/00 and F26B5/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Microbiology (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to a vacuum type oven with a pressure protection function, which is characterized in that: including oven main part, vacuum pump, rocker mechanism, chamber door, L type baffle and heating device, four corners of oven main part bottom respectively are provided with a height-adjustable's heel brace, L type baffle fix in the oven main part and separate into drying chamber and inert gas heating chamber with its inner space, three business turn over material mouthful have been seted up to the position that faces three independent dry storehouse on the preceding terminal surface of oven main part, three business turn over material mouthful respectively seal through a chamber door, three chamber door respectively through a rocker mechanism connection on the preceding terminal surface of oven main part. The pressure protection device can prevent self damage caused by overlarge internal and external pressure difference, and can recycle the inert gas, thereby saving the cost.
Description
Technical Field
The invention relates to the technical field of drying, in particular to a vacuum type drying oven with a pressure protection function.
Background
The vacuum oven is a common instrument, mainly uses power supply to heat the heater to produce heat source, when it is absorbed by heated object, it can be directly converted into heat energy so as to obtain quick drying effect, and can attain the goal of shortening production period, saving energy source and raising product quality. The vacuum oven is widely applied to industries such as laboratories, electronic communication, plastics, cables, electroplating, hardware, photoelectricity, plastic products, molds, shoe materials, spraying, printing, medical treatment, aerospace, universities and colleges.
In the current box structure such as the above vacuum oven, the door part of the box is basically hinged with the box, i.e. similar to the hinge structure used in the common door, the box door structure has the disadvantages that the automatic opening and closing of the box door can not be realized only based on manual control, and the service life of the sealing part generates more loss along with the increase of the times of manually opening and closing the box door, so that there is a short plate in the sealing durability
Moreover, the existing vacuum oven is often heated by inert gas, once the pressure difference between the inside and the outside of the vacuum oven is too large, the structure of the vacuum oven is easily damaged, and the inert gas leaks to cause unnecessary loss and cause adverse effects on the surrounding environment, so that the design of the vacuum oven with the pressure protection function for solving the problems is particularly important.
Disclosure of Invention
The invention designs the vacuum type oven with the pressure protection function in order to solve the problems, and the arranged pressure protection device can not only prevent the self-damage caused by overlarge internal and external pressure difference, but also recycle the inert gas, thereby saving the cost.
In order to solve the technical problem, the invention provides a vacuum type oven with a pressure protection function, which is characterized in that: the drying oven comprises an oven main body, a vacuum pump, a rocker mechanism, an oven door, an L-shaped partition plate and a heating device, wherein four corners of the bottom of the oven main body are respectively provided with a height-adjustable foot support, the L-shaped partition plate is fixed in the oven main body and divides the inner space of the oven main body into a drying chamber and an inert gas heating chamber, two support plates are horizontally arranged in the drying chamber from top to bottom in sequence, the drying chamber is divided into three independent drying chambers through the two support plates, the upper and lower independent drying chambers are mutually communicated through holes arranged on the support plates, through grooves are arranged on the L-shaped partition plate at positions facing the three independent drying chambers, the inert gas heating chamber is communicated with the three independent drying chambers through the through grooves, and three material inlet and outlet openings are arranged on the front end surface of the oven main body at positions facing the three independent drying chambers, the three feeding and discharging ports are respectively sealed through a box door, the three box doors are respectively connected to the front end face of the oven main body through a rocker mechanism, the vacuum pump is mounted at the top of the oven main body and is communicated with the inert gas heating chamber through a pressure protection device, the heating device is detachably connected to the rear end face of the oven main body and stretches into the inert gas heating chamber, the rear end face of the oven main body is further connected with an inert gas conveying pipeline, the inert gas conveying pipeline is communicated with the inert gas heating chamber, the top of the L-shaped partition plate is further provided with a circulating pump, and the circulating pump is communicated with the drying chamber through a circulating hole channel formed in the top of the L-shaped partition plate.
Further: the rocker arm mechanism comprises a first mounting frame, a second mounting frame, a driving rocker arm, a driven rocker arm and a first driving part, a second mounting rack is respectively fixed on the outer wall of the oven main body at the two sides of the feed and discharge port, the first mounting rack is connected on the second mounting rack in a sliding manner, the driving rocker arm is an L-shaped rocker arm, the first end part of the driving rocker arm is hinged with the side surface of the box door, the second end part of the driving rocker arm is hinged with a first driving shaft of a first driving part, the first driving part is arranged on a first mounting rack through the mounting rack, the first driving part is hinged with the mounting frame, the bending part of the driving rocker arm is hinged on the first mounting frame, the third end part of the driven rocker arm is hinged to the side surface of the box door, and the fourth end part of the driven rocker arm is hinged to the first mounting frame.
And further: the second mounting bracket on be provided with and be used for first mounting bracket to carry out gliding slide rail, first mounting bracket pass through slider sliding connection on the slide rail, first mounting bracket on still install the second driver part, the second drive shaft of second driver part passes first mounting bracket and links to each other with the second mounting bracket.
And further: the pressure protection device comprises a connecting seat and a pressure valve body, the connecting seat is installed at the top of the oven main body, a flow guide channel is formed in the connecting seat, one end of the flow guide channel is communicated with the vacuum pump, the pressure valve body is installed on the outer wall of the connecting seat and is communicated with the other end of the flow guide channel, a plurality of pore channels communicated with the flow guide channel are formed in the bottom of the connecting seat, a communicating pore channel is also formed in the top of the oven main body relative to the position of the pore channels, and the flow guide channel is communicated with the inert gas heating chamber sequentially through the pore channels and the communicating pore channels.
And further: the pressure valve body comprises a first valve body, a second valve body, a valve core and a spring, wherein the second valve body is in a shape that one end is opened and the other end is sealed, the opened end of the second valve body is provided with a first flange used for being connected with a recovery pipeline, the valve core is in piston type sliding connection in the second valve body and is connected with one sealed end through the spring, one end of the first valve body is sealed and fixed on the outer wall of the second valve body, the other end of the first valve body is installed on the outer wall of the connecting seat through a second flange and communicated with the flow guide channel, a gap is reserved between the inner wall of the first valve body and the outer wall of the second valve body, a first through hole is reserved on the outer wall of the second valve body in the first valve body, and a second through hole is reserved at one sealed end of the second valve body.
And further: the connecting seat in still seted up the guide way, the guide way be linked together with the water conservancy diversion passageway, the guide way in swing joint have a shutoff valve body, the bottom of water conservancy diversion passageway is just facing the position of shutoff valve body and is seted up the shutoff recess, the switch cylinder is still installed at the top of connecting seat, the play axle head of switch cylinder stretches into in the guide way and links to each other with the shutoff valve body, the shutoff valve body stretches into in the shutoff recess through the drive of switch cylinder and seals the water conservancy diversion passageway.
And further: the heating device comprises a mounting seat and an electric heating pipe, a plurality of mounting through grooves matched with the mounting seat are sequentially formed in the back of the oven main body from top to bottom, the mounting seat is detachably connected to the back of the oven main body through bolts, one end of the mounting seat extends into the inert gas heating chamber along the mounting through grooves, the electric heating pipe is detachably connected to one end of the mounting seat extending into the inert gas heating chamber, and a sealing ring is further arranged between the mounting seat and the mounting through grooves.
After the structure is adopted, the pressure protection device can prevent self damage caused by overlarge internal and external pressure difference, and can recycle inert gas, thereby saving the cost; and the heating device adopted by the design is convenient for maintaining the electric heating pipe, and plays a role in increasing the practical performance.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a perspective view of the rocker mechanism.
Fig. 3 is a top view structural view of the rocker mechanism.
Fig. 4 is an internal structural view of the pressure protection device.
Fig. 5 is an enlarged view of a in fig. 4.
Fig. 6 is a partial internal structure view of the oven main body.
Detailed Description
As shown in fig. 1 and 6, the vacuum oven with pressure protection function comprises an oven main body 1, a vacuum pump 6, a rocker mechanism 2, a door 4, an L-shaped partition plate 3 and a heating device, wherein four corners of the bottom of the oven main body are respectively provided with a height-adjustable foot support 5, the L-shaped partition plate is fixed in the oven main body and divides the inner space of the oven main body into a drying chamber and an inert gas heating chamber, two support plates 9 are horizontally arranged in the drying chamber from top to bottom in sequence, the drying chamber is divided into three independent drying chambers by the two support plates, the upper and lower independent drying chambers are communicated with each other through holes arranged on the support plates, through grooves 3-1 are arranged on the L-shaped partition plate in positions opposite to the three independent drying chambers, and the inert gas heating chamber is communicated with the three independent drying chambers through the through grooves, the drying oven comprises an oven body, a vacuum pump, a heating device, an inert gas heating chamber, an L-shaped partition plate and a circulating pump, wherein the front end face of the oven body is provided with three feeding and discharging ports facing three independent drying bins, the three feeding and discharging ports are sealed through a box door, the three box doors are connected to the front end face of the oven body through rocker arm mechanisms, the vacuum pump is installed at the top of the oven body and communicated with the inert gas heating chamber through a pressure protection device, the heating device is detachably connected to the rear end face of the oven body and extends into the inert gas heating chamber, the rear end face of the oven body is also connected with an inert gas conveying pipeline 10, the inert gas conveying pipeline is communicated with the inert gas heating chamber, the top of the L-shaped partition plate is also provided with the circulating pump, and the circulating pump is communicated with the drying chamber through a circulating hole formed in the top of the L-shaped partition plate. During drying, the vacuum pump is firstly used for vacuumizing, inert gas is filled into the oven main body through the inert gas conveying pipeline after the vacuum degree meets the requirement, the inert gas is heated to the drying temperature through the heating device, and the circulating pump is started to perform circulating heating by utilizing the inert gas.
The rocker arm mechanism shown in fig. 2 and 3 comprises a first mounting frame 2-1, a second mounting frame 2-2, a driving rocker arm 2-7, a driven rocker arm 2-6 and a first driving part 2-4, wherein the outer walls of the oven main body at two sides of the material inlet and the material outlet are respectively fixed with one second mounting frame, the first mounting frame is slidably connected onto the second mounting frame, the driving rocker arm is an L-shaped rocker arm, the first end part of the driving rocker arm is hinged with the side surface of the oven door, the second end part of the driving rocker arm is hinged with a first driving shaft of the first driving part, the first driving part is mounted on the first mounting frame through the mounting frames 2-3, the first driving part is hinged with the mounting frames, the bent part of the driving rocker arm is hinged onto the first mounting frame, and the third end part of the driven rocker arm is hinged with the side surface of the oven door, the fourth end part of the driven rocker arm is hinged to the first mounting frame; the second mounting rack is provided with slide rails 2-8 used for the first mounting rack to slide, the first mounting rack is connected to the slide rails through slide blocks 2-9 in a sliding mode, the first mounting rack is further provided with second driving parts 2-5, and a second driving shaft of each second driving part penetrates through the first mounting rack to be connected with the second mounting rack. When the door needs to be opened, the first driving part drives the driving rocker arm through the first driving shaft, the driving rocker arm starts to swing based on a hinge point at a turning position, the door starts to move from bottom to top (or from top to bottom), the door starts to drive the driven rocker arm to swing, and the driven rocker arm continues to drive the door to move in reverse until the door is completely opened; when the box door needs to be closed, the first driving part retracts the first driving shaft, the driving rocker arm resets, and the box door and the driven rocker arm sequentially reset until the box door is completely closed; therefore, compared with the prior art, the oven door can be automatically and accurately opened and closed, the oven door is opened and closed in a vertical translation mode, the damage to the sealing ring is small, and the durability of the oven sealing can be improved.
The pressure protection device shown in fig. 4 comprises a connecting seat 7 and a pressure valve body 8, wherein the connecting seat is installed at the top of the oven main body, a flow guide channel 7-2 is formed in the connecting seat, one end of the flow guide channel is communicated with a vacuum pump, the pressure valve body is installed on the outer wall of the connecting seat and is communicated with the other end of the flow guide channel, a plurality of pore channels 7-3 communicated with the flow guide channel are formed in the bottom of the connecting seat, a conduction pore channel is formed in the position, opposite to the pore channels, of the top of the oven main body, and the flow guide channel is communicated with the inert gas heating chamber sequentially through the pore channels and the conduction pore channels; the pressure valve body comprises a first valve body 8-1, a second valve body 8-2, a valve core 8-4 and a spring 8-6, wherein one end of the second valve body is open, and the other end of the second valve body is sealed, a first flange 8-3 used for connecting a recovery pipeline is arranged at the open end of the first valve body, the valve core is connected in the second valve body in a piston type sliding manner and is connected with one sealed end through a spring, one end of the first valve body is fixed on the outer wall of the second valve body in a sealing manner, the other end of the connecting base is arranged on the outer wall of the connecting base through a second flange 8-5 and is communicated with the flow guide channel, a gap is reserved between the inner wall of the first valve body and the outer wall of the second valve body, a first through hole 8-7 is formed in the outer wall of the second valve body in the first valve body, and a second through hole 8-8 is also formed in one sealed end of the second valve body. The pressure protection device can prevent self damage caused by overlarge internal and external pressure difference, and can recycle the inert gas, thereby saving the cost.
As shown in fig. 4, a guide groove is further formed in the connecting seat, the guide groove is communicated with the flow guide channel, a plugging valve body 7-6 is movably connected in the guide groove, a plugging groove 7-4 is formed in the position, opposite to the plugging valve body, of the bottom of the flow guide channel, a switch cylinder 7-5 is further installed at the top of the connecting seat, an output shaft end of the switch cylinder extends into the guide groove and is connected with the plugging valve body, and the plugging valve body is driven by the switch cylinder to extend into the plugging groove to seal the flow guide channel. By adopting the structure, the invention can directly seal the flow guide channel by plugging the valve body, thereby preventing unnecessary loss caused by the problem of the self structure of the pressure valve body.
The heating device shown in fig. 6 includes a mounting seat 11 and an electric heating pipe 12, the back of the oven main body is sequentially provided with a plurality of mounting through grooves matched with the mounting seat from top to bottom, the mounting seat is detachably connected to the back of the oven main body through bolts, one end of the mounting seat extends into the inert gas heating chamber along the mounting through grooves, the electric heating pipe is detachably connected to one end of the mounting seat extending into the inert gas heating chamber, and a sealing ring is further arranged between the mounting seat and the mounting through grooves. The heating device adopted by the invention is convenient for maintaining the electric heating pipe, and plays a role in increasing the practical performance.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.
Claims (7)
1. The utility model provides a vacuum type oven with pressure protection function which characterized in that: the drying oven comprises an oven main body (1), a vacuum pump (6), a rocker mechanism (2), an oven door (4), an L-shaped partition plate (3) and a heating device, wherein four corners of the bottom of the oven main body are respectively provided with a height-adjustable foot support (5), the L-shaped partition plate is fixed in the oven main body and divides the inner space of the oven main body into a drying chamber and an inert gas heating chamber, two supporting plates (9) are sequentially and horizontally arranged in the drying chamber from top to bottom, the drying chamber is divided into three independent drying chambers through the two supporting plates, the upper and lower independent drying chambers are mutually communicated through holes arranged on the supporting plates, a through groove (3-1) is arranged on the L-shaped partition plate in a position facing the three independent drying chambers, the inert gas heating chamber is communicated with the three independent drying chambers through the through grooves, three material inlet and outlet openings are arranged on the front end face of the oven main body in a position facing the three independent drying chambers, the three feeding and discharging ports are sealed through a box door, the three box doors are connected to the front end face of the oven main body through rocker arm mechanisms, the vacuum pump is mounted at the top of the oven main body and communicated with the inert gas heating chamber through a pressure protection device, the heating device is detachably connected to the rear end face of the oven main body and extends into the inert gas heating chamber, an inert gas conveying pipeline (10) is further connected to the rear end face of the oven main body and communicated with the inert gas heating chamber, a circulating pump is further mounted at the top of the L-shaped partition plate, and the circulating pump is communicated with the drying chamber through a circulating hole formed in the top of the L-shaped partition plate.
2. The vacuum oven with pressure protection function as claimed in claim 1, characterized in that: the rocker arm mechanism comprises a first mounting frame (2-1), a second mounting frame (2-2), a driving rocker arm (2-7), a driven rocker arm (2-6) and a first driving part (2-4), wherein a second mounting frame is respectively fixed on the outer wall of the oven main body at two sides of the material inlet and the material outlet, the first mounting frame is connected to the second mounting frame in a sliding manner, the driving rocker arm is an L-shaped rocker arm, the first end part of the driving rocker arm is hinged to the side surface of the oven door, the second end part of the driving rocker arm is hinged to a first driving shaft of the first driving part, the first driving part is mounted on the first mounting frame through the mounting frame (2-3), the first driving part is hinged to the mounting frame, the bending part of the driving rocker arm is hinged to the first mounting frame, and the third end part of the driven rocker arm is hinged to the side surface of the oven door, and the fourth end part of the driven rocker arm is hinged on the first mounting frame.
3. The vacuum oven with pressure protection function according to claim 2, characterized in that: the second mounting bracket on be provided with and be used for first mounting bracket to carry out gliding slide rail (2-8), first mounting bracket pass through slider (2-9) sliding connection on the slide rail, first mounting bracket on still install second driver part (2-5), the second drive shaft of second driver part passes first mounting bracket and links to each other with the second mounting bracket.
4. The vacuum oven with pressure protection function according to claim 1, characterized in that: the pressure protection device comprises a connecting seat (7) and a pressure valve body (8), the connecting seat is installed at the top of the oven main body, a flow guide channel (7-2) is formed in the connecting seat, one end of the flow guide channel is communicated with the vacuum pump, the pressure valve body is installed on the outer wall of the connecting seat and communicated with the other end of the flow guide channel, a plurality of pore channels (7-3) communicated with the flow guide channel are formed in the bottom of the connecting seat, a conduction pore channel is formed in the position, opposite to the pore channel, of the top of the oven main body, and the flow guide channel is communicated with the inert gas heating chamber sequentially through the pore channels and the conduction pore channels.
5. The vacuum oven with pressure protection function according to claim 4, characterized in that: the pressure valve body comprises a first valve body (8-1), a second valve body (8-2), a valve core (8-4) and a spring (8-6), the second valve body is open at one end and sealed at the other end, a first flange (8-3) used for connecting a recovery pipeline is arranged at the open end of the first valve body, the valve core is connected in the second valve body in a piston type sliding manner and is connected with one sealed end through a spring, one end of the first valve body is fixed on the outer wall of the second valve body in a sealing manner, the other end of the connecting seat is arranged on the outer wall of the connecting seat through a second flange (8-5) and is communicated with the flow guide channel, a gap is reserved between the inner wall of the first valve body and the outer wall of the second valve body, a first through hole (8-7) is formed in the outer wall of the second valve body in the first valve body, and a second through hole (8-8) is also formed in the sealed end of the second valve body.
6. The vacuum oven with pressure protection function according to claim 1, characterized in that: the sealing device is characterized in that a guide groove is further formed in the connecting seat and is communicated with the flow guide channel, a sealing valve body (7-6) is movably connected into the guide groove, a sealing groove (7-4) is formed in the position, facing the sealing valve body, of the bottom of the flow guide channel, a switch air cylinder (7-5) is further mounted at the top of the connecting seat, the shaft outlet end of the switch air cylinder extends into the guide groove and is connected with the sealing valve body, and the sealing valve body extends into the sealing groove through the driving of the switch air cylinder to seal the flow guide channel.
7. The vacuum oven with pressure protection function according to claim 1, characterized in that: the heating device comprises a mounting seat (11) and an electric heating pipe (12), a plurality of mounting through grooves matched with the mounting seat are sequentially formed in the back of the oven body from top to bottom, the mounting seat is detachably connected to the back of the oven body through bolts, one end of the mounting seat extends into the inert gas heating chamber along the mounting through grooves, the electric heating pipe is detachably connected to one end of the mounting seat extending into the inert gas heating chamber, and a sealing ring is further arranged between the mounting seat and the mounting through grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210627471.XA CN114963703A (en) | 2022-06-06 | 2022-06-06 | Vacuum type oven with pressure protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210627471.XA CN114963703A (en) | 2022-06-06 | 2022-06-06 | Vacuum type oven with pressure protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114963703A true CN114963703A (en) | 2022-08-30 |
Family
ID=82970717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210627471.XA Pending CN114963703A (en) | 2022-06-06 | 2022-06-06 | Vacuum type oven with pressure protection function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115682642A (en) * | 2022-12-30 | 2023-02-03 | 石家庄市冀荣药业有限公司 | High-efficient gyration vacuum drying device of amino acid |
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| CN115682642B (en) * | 2022-12-30 | 2023-03-10 | 石家庄市冀荣药业有限公司 | High-efficient gyration vacuum drying device of amino acid |
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