CN207138854U - A kind of isolating seal mechanism of vacuum atomizing powder manufacturing apparatus - Google Patents
A kind of isolating seal mechanism of vacuum atomizing powder manufacturing apparatus Download PDFInfo
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- CN207138854U CN207138854U CN201721184180.9U CN201721184180U CN207138854U CN 207138854 U CN207138854 U CN 207138854U CN 201721184180 U CN201721184180 U CN 201721184180U CN 207138854 U CN207138854 U CN 207138854U
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- rotary sleeve
- fixed cover
- spray chamber
- vacuum
- isolating seal
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Abstract
This application discloses a kind of isolating seal mechanism of vacuum atomizing powder manufacturing apparatus, vacuum melting room and spray chamber for isolating seal vacuum atomizing powder manufacturing apparatus, the isolating seal mechanism includes fixed cover, L bracket, hydraulic lifting arm, movable rod and elevating lever, it is affixed with motor by fixed mount in the side wall of the fixed cover, drive sprocket is connected with the output shaft of the motor, rotated in the fixed cover and be socketed with rotary sleeve, the both ends of the rotary sleeve all extend to the outside of the fixed cover, one end of the rotary sleeve is connected with driven sprocket, the drive sprocket is connected with driven sprocket by chain.Without again vacuumizing spray chamber simultaneously, the pumpdown time is greatlyd save, shortens the time before vacuum melting, accelerates vacuum melting process, effectively improves production efficiency.
Description
Technical field
The application is related to powder by atomization equipment technical field, more particularly to a kind of isolating seal of vacuum atomizing powder manufacturing apparatus
Mechanism.
Background technology
In powder injection-molded, high temperature insostatic pressing (HIP), 3D printing prepare the industry fields such as ball-type metal-powder, often to use
High performance vacuum gas atomization plant, its operation principle are after by vavuum pump, vacuum melting room is vacuumized, to be melted in vacuum
The melting of metal is realized in refining interior, then switchs the isolating seal between vacuum melting room and spray chamber and opens, then will be true
Empty working chamber and spray chamber return to standard atmospheric pressure full of protective gas, and molten metal flows backwards pipe by ceramic tundish and flowed into
High pressure nozzle centre bore, the metal liquid stream under gases at high pressure impulse high voltage nozzle bore, tiny drop under protective gas with falling on
Spray chamber bottom, gas and powder are separated by cyclone system, receive to obtain high-performance metal powder.
At present, 10-200KG small size vacuum powder by atomization equipment, the time vacuumized typically filled guarantor at 1 hour or so
The gas time is protected typically at 0.1 hour, as the market demand increases, large-scale vacuum powder by atomization equipment also occurs therewith, and is expert at
Use in industry, and typically switched in existing equipment using vacuum gate valve as the isolating seal of vacuum melting room and spray chamber.
Because the volume of vacuum melting room can generally be significantly less than the volume of spray chamber, therefore, made being atomized to large-scale vacuum
Growth that the gas time also all can be at double is protected in the pumpdown time of powder equipment and punching.
From above-mentioned in the prior art as can be seen that the pumpdown time of existing large-scale vacuum powder by atomization equipment can be into multiplication
Long, longer than small size vacuum powder by atomization equipment is more.Because metal flow liquid is atomized into metal dust by spray chamber, therefore spray chamber
Interior to be full of metal dust, metal dust can be flown away on the sealing ring of vacuum gate valve so that vacuum gate valve was using
Cheng Zhong, ring wear can be caused, so that vacuum melting room and spray chamber is poorly sealed, in vacuum, removed
Vacuum melting room vacuumize it is outer spray chamber is still extracted into vacuum state simultaneously, just can guarantee that the normal molten of vacuum melting room
Refining, this process can be such that the pumpdown time lengthens significantly, and during powder by atomization is carried out and need that spray chamber take out very
Sky, so as to considerably increase the time before vacuum melting, vacuum melting process is delayed, causes production efficiency to reduce.
Utility model content
This application provides a kind of vacuum atomizing powder manufacturing apparatus Liang Shi isolating seals mechanism, to solve vacuum atomizing powder
The problem of vacuum melting room of equipment and poorly sealed spray chamber.
In order to solve the above-mentioned technical problem, the utility model embodiment discloses following technical scheme：
The utility model embodiment provides a kind of vacuum atomizing powder manufacturing apparatus Liang Shi isolating seals mechanism, for isolating
Seal vacuum atomizing powder manufacturing apparatus vacuum melting room and spray chamber, the isolating seal mechanism include fixed cover, L bracket,
Hydraulic lifting arm, movable rod and elevating lever, wherein：
Rotated in the fixed cover and be socketed with rotary sleeve, the both ends of the rotary sleeve all extend to the outer of the fixed cover
Portion, one end of the rotary sleeve are connected with drive mechanism, the other end of the rotary sleeve and the transverse arm retainer ring of the L bracket
Set and the affixed hydraulic lifting arm；
Described L bracket one end away from the rotary sleeve is provided with rod set, elevating lever described in movable ring set in the rod set,
One end of the elevating lever is connected with cone seal head, connects close to described L bracket one end of the rotary sleeve and the activity
One end of bar is hinged, and the first loose slot is provided with close to the L bracket and described movable rod one end of movable rod pin joint,
The other end of the movable rod is provided with the second loose slot, described elevating lever one end away from the cone seal head and described the
Two loose slots are slidably matched, and described hydraulic lifting arm one end away from the rotary sleeve is slidably matched with first loose slot.
Preferably, the drive mechanism includes motor, drive sprocket and chain, wherein, one end of the rotary sleeve is set
There is driven sprocket, one end of the rotary sleeve and the driven sprocket are affixed, and the drive sprocket and driven sprocket pass through chain
Connection, the output shaft of the drive sprocket and the motor is affixed, and the motor is fixed on the fixed cover by fixed mount
In side wall.
Preferably, the drive mechanism includes hydraulic jack and drive link, wherein, one end of the rotary sleeve and the biography
One end of lever is affixed, and the expansion link of the other end of the drive link and the hydraulic jack is hinged, away from the drive link
One end of the hydraulic jack is connected with movable axle sleeve, and the movable axle sleeve turning set is connected on fixed cover axle.
Preferably, the centerline axis parallel of the elevating lever and hydraulic lifting arm, the central axis of the elevating lever and institute
The transverse arm for stating L bracket is vertical.
Preferably, the rotary sleeve upper ring cap has bearing, and the outer wall of the bearing is connected with the inwall of the fixed cover.
Preferably, the vacuum melting room and the junction of spray chamber are provided with the taper being engaged with the cone seal head
Seal groove, the cone seal head can be vertically embedded into the cone seal groove.
Preferably, the fixed cover is fixed on the opening side of spray chamber and extends vertically through the upper wall of the spray chamber, leans on
The fixation of nearly described driven sprocket one end is set on the outside of the spray chamber, the institute away from described driven sprocket one end
State the fixed inside for being set on the spray chamber.
Compared with prior art, the beneficial effects of the utility model are：Isolating seal mechanism provided by the utility model, is adopted
Vacuum melting room and spray chamber are sealed with cone seal head, the sidewall slope of cone seal head, metal dust will not be attached
In the side wall of cone seal head, cause poorly sealed so as to avoid occurring wearing in use, while can lead to
The rotation of rotary sleeve is crossed, drives elevating lever and cone seal head to turn to the connectivity part for deviateing vacuum melting room and spray chamber, from
And can be away from nebulization region, reduction contacts with metal dust, further reduces the probability of cone seal head adhesion metal powder, from
And may be such that vacuum melting room and spray chamber sealing are tight, in the vacuum of vacuum melting room, without again that spray chamber is same
When vacuumize, greatly save the pumpdown time, shorten the time before vacuum melting, accelerate vacuum melting process, effectively carry
High efficiency.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the application, letter will be made to the required accompanying drawing used in embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of the Liang Shi isolating seals mechanism of vacuum atomizing powder of the application；
Fig. 2 is a kind of drive mechanism schematic diagram of the Liang Shi isolating seals mechanism of vacuum atomizing powder of the application；
Fig. 3 is a kind of use state figure of the Liang Shi isolating seals mechanism of vacuum atomizing powder of the application；
Fig. 4 is a kind of another use state figure of Liang Shi isolating seals mechanism of vacuum atomizing powder of the application.
Symbol is expressed as in Fig. 1-4：1- vacuum meltings room, 2- spray chambers, 3- cone seal heads, 4-L type poles, 401- bars
Set, 5- fixed covers, 6- rotary sleeves, 7- driven sprockets, 8- chains, 9- fixed mounts, 10- drive sprockets, 11- motors, 12- hydraulic pressure liters
Bar, 13- movable rods, the loose slots of 1301- first, the loose slots of 1302- second, 14- elevating levers, 15- cone seal grooves, 16- drop
Drive link, 17- hydraulic jacks, 18- activity axle sleeves, 19- fixed cover axles.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the utility model, below in conjunction with this reality
With the accompanying drawing in new embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that
Described embodiment is only the utility model part of the embodiment, rather than whole embodiments.Based on the utility model
In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, it should all belong to the scope of the utility model protection.
Referring to Fig. 1, the structure of the Liang Shi isolating seals mechanism as shown in Figure 1 for a kind of vacuum atomizing powder manufacturing apparatus of the application
Schematic diagram.In order that vacuum melting room and spray chamber sealing are tight, only vacuum melting room is vacuumized in vacuum, and
Without again vacuumizing spray chamber, shorten the time before vacuum melting, accelerate vacuum melting process, improve production efficiency,
The utility model provides a kind of Liang Shi isolating seals mechanism of vacuum atomizing powder, including fixed cover 5, L bracket 4, hydraulic pressure liter
Drop bar 12, movable rod 13 and elevating lever 14, the both ends of rotary sleeve 6 all extend to the outside of fixed cover 5, one end of rotary sleeve 6
It is connected with drive mechanism, the other end of rotary sleeve 6 and the transverse arm Fixing shrink ring of L bracket 4 and affixed hydraulic lifting arm 12.
As a kind of preferred embodiment, drive mechanism includes motor 11, drive sprocket 10 and chain 8, one end of rotary sleeve 6
Driven sprocket 7 is provided with, one end of rotary sleeve 6 and driven sprocket 7 are affixed, and drive sprocket 10 and driven sprocket 7 are connected by chain 8
Connect, the output shaft of drive sprocket 10 and motor 11 is affixed, and motor 11 is fixed on by fixed mount 9 in the side wall of fixed cover 5, motor
11 drive drive sprockets 10 rotate, and drive sprocket 10 drives driven sprocket 7 to rotate by chain 8, and driven sprocket 7 drives rotary sleeve
6 rotate, and in the present embodiment, corner oil cylinder and swing clamp cylinder can be used to replace motor as driving part, each fall within this practicality
Within new protection domain.
Referring to Fig. 2, as another preferred embodiment of the present utility model, drive mechanism includes hydraulic jack 17 and transmission
Bar 16, one end and one end of drive link 16 of rotary sleeve 6 are affixed, and the other end of drive link 16 is cut with scissors with the expansion link of hydraulic jack 17
Connect, one end of the hydraulic jack 17 away from drive link 16 is connected with movable axle sleeve 18, and movable axle sleeve 18 rotates and is socketed in fixed cover
On axle 19, fixed cover axle 19 can be fixed in the side wall of spray chamber by external stability bar, could be secured in external structure, liquid
When compressing cylinder 17 acts on, the expansion link of hydraulic jack 17 stretches, and by drive link 16 rotary sleeve 6 can be driven to rotate, the present embodiment
In, hydraulic jack can be replaced using cylinder, each fallen within the scope of protection of the utility model.
One end of L bracket 4 away from rotary sleeve 6 is provided with rod set 401, movable ring set elevating lever 14 in rod set 401, elevating lever
14 one end is connected with cone seal first 3, is hinged, leans on close to one end of L bracket 4 of rotary sleeve 6 and one end of movable rod 13
One end of movable rod 13 of nearly L bracket 4 and the pin joint of movable rod 13 is provided with the first loose slot 1301, movable rod 13 it is another
One end is provided with the second loose slot 1302, and one end of elevating lever 14 away from cone seal first 3 is slidably matched with the second loose slot 1302,
One end of hydraulic lifting arm 12 away from rotary sleeve 6 is slidably matched with the first loose slot 1301, elevating lever 14 and hydraulic lifting arm 12
Centerline axis parallel, the central axis of elevating lever 14 is vertical with the transverse arm of L bracket 4.
In an advantageous embodiment, the upper ring cap of rotary sleeve 6 has bearing, and the outer wall of bearing is connected with the inwall of fixed cover 5,
Make rotary sleeve 6 free to rotate by bearing.
Referring to Fig. 3, a kind of use state figure of the Liang Shi isolating seals mechanism of vacuum atomizing powder of the application is shown.Such as
Shown in Fig. 3, the junction of vacuum melting room 1 and spray chamber 2 is provided with the cone seal groove 15 being engaged with cone seal first 3, cone
Shape seal head 3 can be vertically embedded into cone seal groove 15, and the sealing side of cone seal groove 15 is vertically embedded into using cone seal first 3
Formula seals to vacuum melting room 1 and spray chamber 2, and the sidewall slope of cone seal first 3, metal dust without being adhered to taper
In the side wall of seal head 3, so as to avoid in use, cone seal first 3 is ground when being contacted with cone seal groove 15
Damage and cause vacuum melting room 1 and spray chamber 2 poorly sealed, save the pumpdown time, shorten the time before vacuum melting,
Accelerate vacuum melting process, effectively improve production efficiency, the good sealing effect of device, then do not have to frequently take out spray chamber very
Sky, reduce powder and enter vacuum pump group system, and then the damage of the seal of vacuum pump group system can be prevented, improve vacuum pump group
The service life of system.
Fixed cover 5 is fixed on the opening side of spray chamber 2 and extends vertically through the upper wall of spray chamber 2, close to driven sprocket 7
The fixed cover 5 of one end is arranged on the outside of spray chamber 2, and the fixed cover 5 away from the one end of driven sprocket 7 is arranged on the interior of spray chamber 2
Portion.
Referring to Fig. 4, a kind of another use state figure of Liang Shi isolating seals mechanism of vacuum atomizing powder of the application is shown.
As shown in figure 4, drive mechanism drives rotary sleeve 6 to rotate, rotary sleeve 6 drives elevating lever 14 and cone seal head by L-type pole 4
3 turn to the connectivity part for deviateing vacuum melting room 1 and spray chamber 2, so as to be located at away from nebulization region, i.e. cone seal first 3
At B in Fig. 3, reduction contacts with metal dust, further reduces the probability of the first 3 adhesion metal powder of cone seal, avoids boring
Shape seal head 3 occurs wearing and causes vacuum melting room 1 and spray chamber 2 poorly sealed with cone seal groove 15, cone seal first 3
When at A, cone seal first 3 coordinates with cone seal groove 15.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or equipment including a series of elements not only include those key elements, and
And also include the other element being not expressly set out, or also include for this process, method, article or equipment institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including institute
State in process, method, article or the equipment of key element and other identical element also be present.Herein, directional terminology " on ", " under "
Deng being only by taking accompanying drawing as an example.
Described above is only specific embodiment of the present utility model, is made skilled artisans appreciate that or realizing this
Utility model.A variety of modifications to these embodiments will be apparent to one skilled in the art, institute herein
The General Principle of definition can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.
Therefore, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and original disclosed herein
The reason most wide scope consistent with features of novelty.
Claims (7)
1. a kind of isolating seal mechanism of vacuum atomizing powder manufacturing apparatus, the vacuum for isolating seal vacuum atomizing powder manufacturing apparatus melt
Refine room (1) and spray chamber (2), it is characterised in that the isolating seal mechanism includes fixed cover (5), L bracket (4), hydraulic pressure liter
Bar (12), movable rod (13) and elevating lever (14) drop, wherein：
Rotated in the fixed cover (5) and be socketed with rotary sleeve (6), the both ends of the rotary sleeve (6) all extend to the fixed cover
(5) outside, one end of the rotary sleeve (6) are connected with drive mechanism, the other end and the L-shaped branch of the rotary sleeve (6)
The transverse arm Fixing shrink ring of frame (4) and the affixed hydraulic lifting arm (12)；
The L bracket (4) one end away from the rotary sleeve (6) is provided with rod set (401), the interior loose collar of the rod set (401)
The elevating lever (14) is covered, one end of the elevating lever (14) is connected with cone seal head (3), close to the rotary sleeve (6)
Described L bracket (4) one end and one end of the movable rod (13) are hinged, close to the L bracket (4) and movable rod
(13) movable rod (13) one end of pin joint is provided with the first loose slot (1301), the other end of the movable rod (13)
Provided with the second loose slot (1302), the elevating lever (14) one end and the described second activity away from the cone seal head (3)
Groove (1302) is slidably matched, the hydraulic lifting arm (12) one end away from the rotary sleeve (6) and first loose slot
(1301) it is slidably matched.
2. isolating seal mechanism according to claim 1, it is characterised in that the drive mechanism includes motor (11), master
Movable sprocket (10) and chain (8), wherein,
One end of the rotary sleeve (6) is provided with driven sprocket (7), one end and the driven sprocket (7) of the rotary sleeve (6)
Affixed, the drive sprocket (10) and driven sprocket (7) are connected by chain (8), the drive sprocket (10) and the motor
(11) output shaft is affixed, and the motor (11) is fixed in the side wall of the fixed cover (5) by fixed mount (9).
3. isolating seal mechanism according to claim 1, it is characterised in that the drive mechanism includes hydraulic jack (17)
With drive link (16), wherein,
One end and one end of the drive link (16) of the rotary sleeve (6) are affixed, the other end of the drive link (16) and institute
The expansion link for stating hydraulic jack (17) is hinged, and one end of the hydraulic jack (17) away from the drive link (16) is connected with work
Moving axis set (18), the movable axle sleeve (18), which rotates, to be socketed on fixed cover axle (19).
4. isolating seal mechanism according to claim 1, it is characterised in that the elevating lever (14) and hydraulic lifting arm
(12) centerline axis parallel, the central axis of the elevating lever (14) are vertical with the transverse arm of the L bracket (4).
5. isolating seal mechanism according to claim 1, it is characterised in that rotary sleeve (6) upper ring cap has bearing, institute
The outer wall for stating bearing is connected with the inwall of the fixed cover (5).
6. isolating seal mechanism according to claim 1, it is characterised in that the vacuum melting room (1) and spray chamber (2)
Junction be provided with the cone seal groove (15) that is engaged with the cone seal head (3), the cone seal head (3) can be vertical
In the embedded cone seal groove (15).
7. isolating seal mechanism according to claim 1, it is characterised in that the fixed cover (5) is fixed on spray chamber (2)
Opening side and extend vertically through the upper wall of the spray chamber (2), close to the driven sprocket (7) one end the fixed cover
(5) outside of the spray chamber (2) is arranged on, the fixed cover (5) away from the driven sprocket (7) one end is arranged on described
The inside of spray chamber (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721184180.9U CN207138854U (en) | 2017-09-15 | 2017-09-15 | A kind of isolating seal mechanism of vacuum atomizing powder manufacturing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721184180.9U CN207138854U (en) | 2017-09-15 | 2017-09-15 | A kind of isolating seal mechanism of vacuum atomizing powder manufacturing apparatus |
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| Publication Number | Publication Date |
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| CN207138854U true CN207138854U (en) | 2018-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721184180.9U Active CN207138854U (en) | 2017-09-15 | 2017-09-15 | A kind of isolating seal mechanism of vacuum atomizing powder manufacturing apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984115A (en) * | 2021-03-19 | 2021-06-18 | 中建八局轨道交通建设有限公司 | Hinged sealing device of shield machine |
-
2017
- 2017-09-15 CN CN201721184180.9U patent/CN207138854U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984115A (en) * | 2021-03-19 | 2021-06-18 | 中建八局轨道交通建设有限公司 | Hinged sealing device of shield machine |
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