CN214193520U

CN214193520U - Sealing mechanism and crystal growth assembly

Info

Publication number: CN214193520U
Application number: CN202120051426.5U
Authority: CN
Inventors: 张维刚; 宋建; 史建伟; 阴法波; 张长银
Original assignee: Shandong Tianyue Advanced Technology Co Ltd
Current assignee: Shandong Tianyue Advanced Technology Co Ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-09-14
Anticipated expiration: 2031-01-08

Abstract

The application discloses sealing mechanism and long brilliant subassembly belongs to production appurtenance technical field. The sealing mechanism is used for sealing and covering the cover body on the opening of the shell and comprises a moving mechanism and an elastic component arranged on a moving table of the moving mechanism; one end of a telescopic piece of the elastic component is connected with the mobile station, and the other end of the telescopic piece of the elastic component is connected with one of the cover body and the shell; the moving mechanism can drive the moving platform to drive one of the cover body and the shell body to move from an opening position to a sealing position abutted against the other, and the elastic assembly bears pressure in the sealing position which is larger than that in the opening position. The sealing mechanism can realize quick sealing of the shell and the cover body, reduce labor intensity of operators, improve sealing precision and automation degree, and meanwhile, the elastic assembly can play a role in safe pressure relief, so that the shell and the cover body are prevented from being damaged due to over inflation during blowing-in.

Description

Sealing mechanism and crystal growth assembly

Technical Field

The application relates to a sealing mechanism and a crystal growing assembly, and belongs to the technical field of auxiliary production tools.

Background

At present, before production and processing of many materials, raw materials are usually added into a cavity, and the device is manually sealed to carry out next production. Firstly, sealing points need to be fastened one by one during sealing, so that the sealing surface is uneven, and the sealing precision is reduced; secondly, the labor intensity of operators is increased, and the automation degree is low.

For example, in the production and preparation of semiconductor silicon carbide materials, after silicon carbide raw materials are added into a furnace body, the crystal growth process can be carried out only by sealing the furnace body, the sealing precision is reduced due to the fact that a sealing surface is not flat, and the crystal quality is reduced due to the fact that the environment in the furnace body is affected by the outside in the crystal growth process. In addition, after crystal growth is finished, the furnace body needs to be inflated and then opened, and hearth damage caused by over inflation often occurs, so that equipment is damaged, and continuous production cannot be carried out.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the application provides a sealing mechanism, and this sealing mechanism can realize the quick seal of casing and lid, reduces operating personnel's intensity of labour, improves sealed precision and degree of automation. And when aerifing the sealed chamber that casing and lid are constituteed, elastic component's setting can play the effect of safe pressure release, prevents to cause the damage to casing and lid because of excessively aerifing when blowing in the stove.

According to one aspect of the present application, there is provided a sealing mechanism for sealing a cover body to an opening of a housing, the sealing mechanism including a moving mechanism and an elastic member provided at a moving stage of the moving mechanism;

one end of a telescopic piece of the elastic component is connected with the mobile station, and the other end of the telescopic piece of the elastic component is connected with one of the cover body and the shell;

the moving mechanism can drive the moving platform to drive one of the cover body and the shell body to move from an opening position to a sealing position abutted against the other, and the elastic assembly bears pressure in the sealing position which is larger than that in the opening position.

Optionally, the moving mechanism is a lifting mechanism, one end of the telescopic piece is connected with the moving platform, the other end of the telescopic piece is connected with the cover body, the cover body is arranged below the opening of the shell, and the lifting mechanism can drive the moving platform to drive the cover body to ascend to abut against the opening of the shell.

Optionally, the telescopic part is a spring, and the elastic assembly further comprises a positioning rod and a locking part;

the spring housing is arranged outside the positioning rod, the mobile station is provided with a through hole, one end of the positioning rod is abutted to the cover body, the other end of the positioning rod penetrates through the through hole and then is fixed through a locking piece, the elastic assembly is larger than the pressure of the elastic assembly at the opening position, the positioning rod can slide downwards relative to the through hole, and then the spring is compressed.

Optionally, a protrusion is arranged at one end of the positioning rod connected with the cover body, and an external thread is arranged on the outer wall of the protrusion;

the lid is provided with the blind hole that the inner wall has the screw thread, the locating lever with the lid passes through threaded connection.

Optionally, the locking member comprises at least one nut, and an external thread is arranged on an outer wall of one end, connected with the nut, of the positioning rod;

the inner wall of the nut is provided with an internal thread matched with the external thread, and the positioning rod is connected with the nut through the thread.

Optionally, the elastic assembly further comprises a linear bearing, and the positioning rod is a polished rod matched with the linear bearing;

the linear bearing passes the through-hole setting, linear bearing's bottom ring platform with the mobile station supports and leans on, the retaining member sets up linear bearing below.

Optionally, the moving mechanism further comprises a transmission part and a driving part;

the mobile station is connected with the transmission part, and the driving part is in spiral transmission fit with the transmission part to control the mobile station to move;

the moving mechanism is a lifting mechanism.

Optionally, the transmission part comprises a screw rod and a linear guide rail assembly, and the driving part comprises a speed reducer and a coupler;

the mobile station is connected with the linear guide rail assembly;

the speed reducer drives the screw rod to rotate through the coupler, and the screw rod rotates to drive the linear guide rail assembly to move up and down and is used for controlling the mobile station and the elastic assembly to ascend or descend.

Optionally, the linear guide rail assembly includes a linear guide rail slider, a linear guide rail base plate, a linear guide rail and a slider mounting seat;

the linear guide rail is arranged on the linear guide rail bottom plate, and the linear guide rail sliding block is sleeved on the linear guide rail and can move up and down along the linear guide rail;

the mobile station is connected with the linear guide rail slide block through the slide block mounting seat;

the screw rod rotates to drive the linear guide rail sliding block to move along the linear guide rail, and the linear guide rail sliding block drives the moving platform and the elastic assembly to ascend or descend.

According to another aspect of the present application, there is provided a crystal growth assembly, which includes any one of the sealing mechanism, the housing and the cover;

the shell is a crystal growth furnace body, and the cover body is a lower cover covering the crystal growth furnace body.

Benefits that can be produced by the present application include, but are not limited to:

1. the application provides a sealing mechanism drives one of casing or lid from the sealed position of opening the position and remove to another butt through moving mechanism, and elastic component makes the sealed face contact atress of lid and casing the same, can realize the quick seal of casing and lid, reduces operating personnel's intensity of labour, improves sealed precision and degree of automation.

2. The application provides a sealing mechanism, when lid and casing contact are sealed, the extensible member is compressed, and the pressure increase that elastic component bore produces an ascending pretightning force, makes sealed face evenly pressurized, and this effort is used for the casing, can seal simultaneously to the sealed point, avoids appearing the phenomenon that the sealing surface height is not parallel.

3. The application provides a sealing mechanism when aerifing the blow-in operation to the sealed chamber that casing and lid are constituteed, elastic component's setting can play the effect of safe pressure release, causes the damage because of excessively aerifing casing and lid when preventing to blow in, extension equipment life.

4. The application provides a sealing mechanism, moving mechanism's drive division and transmission portion screw drive cooperation control mobile station remove, and the cooperation of this drive division and transmission portion makes the nimble motion to the casing direction of lid, is convenient for seal and dismantles, reduces operating procedure, improves degree of automation.

5. The application provides a sealing mechanism, the mobile station is connected with slider mount pad one side, and this mode of setting up makes the mobile station still can steadily remove when the atress, guarantees that sealed face atress is even.

6. The long brilliant subassembly that this application provided for when growing brilliant process, sealed easy operation, sealed precision is high, and the sealed chamber that casing and lid are constituteed is difficult for receiving external disturbance, and the growth quality of crystal is high.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a front view of a seal structure according to an embodiment of the present application;

FIG. 2 is a schematic side cross-sectional view of a seal structure according to an embodiment of the present application;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

fig. 4 is a perspective view of a seal structure according to an embodiment of the present application;

list of parts and reference numerals:

1, a shell and 2 a cover; 3, sealing rings; 4, a first screw rod supporting seat; 5, a screw rod; 6 linear guide rail slide block; 7 a mobile station; 8, a linear guide rail; 9 a slide block mounting seat; 10 linear guide rail bottom plates; 11 a second screw rod supporting seat; 12, a coupler; 13 a speed reducer mounting seat; 14 speed reducers; 15 a telescoping member; 16 positioning rods; 17 a linear bearing; 18 nuts.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In order that the above objects, features and advantages of the present application can be more clearly understood, the present application will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

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 application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1 to 3, an embodiment of the present application discloses a sealing mechanism for sealing a cover body 2 to cover an opening of a housing 1, comprising a moving mechanism and an elastic component arranged on a moving table 7 of the moving mechanism; one end of a telescopic piece 15 of the elastic component is connected with the mobile station 7, and the other end is connected with one of the cover body 2 and the shell body 1; the moving mechanism can drive the moving platform 7 to drive one of the cover body 2 and the shell body 1 to move from the opening position to the sealing position abutted with the other, and the elastic component bears pressure in the sealing position which is larger than that in the opening position.

As will be understood by those skilled in the art, one of the housing 1 and the cover 2 is connected to the extendable member 15, and when the housing 1 is connected to the extendable member 15, the cover 2 has two states, one is that the cover 2 is fixed, and the mobile station 7 drives the housing 1 to move toward the cover 2; secondly, the cover body 2 is movable, the mobile station 7 drives the shell body 1 to move towards the cover body 2, and the cover body 2 also moves towards the shell body 1. The two moving modes are both moved from the opening position of the cover body 2 and the shell body 1 to the sealing position where the cover body and the shell body are mutually abutted, and the pressure born by the elastic component is greater than the pressure born by the elastic component in the opening position in the sealing position; when the cover 2 is connected to the extendable element 15, the housing 1 also has the above-described two states.

One of the shell 1 or the cover body 2 is driven by the moving mechanism to move from an opening position to a sealing position of the other butt joint, the elastic assembly enables the cover body 2 to be in contact with the sealing surface of the shell 1 under the same stress, the phenomenon that the sealing surfaces are not parallel in height can not occur, the shell 1 and the cover body 2 can be rapidly sealed, the labor intensity of operators is reduced, and the sealing precision is improved.

As an embodiment, the number of the elastic components of the sealing mechanism is four, the elastic components are connected with one of the cover body 2 and the shell body 1, the four elastic components are uniformly distributed on the end face of the cover body 2 or the shell body 1, the pressure borne by the elastic components at the sealing position of the shell body 1 and the cover body 2 is larger than the pressure at the opening position, the pressure borne by the elastic components acts on the sealing surfaces of the shell body 1 and the cover body 2, the sealing surfaces can be uniformly pressed, sealing points can be simultaneously sealed, and the sealing precision is improved.

In one embodiment, the moving mechanism is a lifting mechanism, one end of the telescopic member 15 is connected to the moving stage 7, the other end is connected to the cover 2, the cover 2 is disposed below the opening of the housing 1, and the lifting mechanism can drive the moving stage 7 to drive the cover 2 to lift to abut against the opening of the housing 1. In the setting mode, the lifting mechanism and the shell 1 are fixed on an equipment rack, the cover body 2 is arranged below an opening of the shell 1, the contact surface of the shell 1 and the cover body 2 is provided with the sealing ring 3, one end of the telescopic piece 15 is connected with the mobile station 7 of the lifting mechanism, and the other end of the telescopic piece 15 is connected with the cover body 2. Elevating system orders about the travelling platform 7 and rises, and travelling platform 7 drives extensible member 15 and lid 2 and rises, rises to lid 2 and 1 opening butt of casing when travelling platform 7, and travelling platform 7 rises a section distance again, and at this moment lid 2 is inseparable with the laminating of sealing washer 3, and extensible member 15 is compressed, and the pressure that elastic component bore increases, produces an ascending pretightning force, makes sealed face evenly pressurized, and this power acts on casing 1, improves the sealed precision of casing 1 and lid 2.

In one embodiment, the telescopic member 15 is a spring, and the elastic assembly further includes a positioning rod 16 and a locking member; the spring housing is located outside the positioning rod 16, the mobile station 7 is provided with a through hole, one end of the positioning rod 16 is abutted to the cover body 2, the other end of the positioning rod passes through the through hole and then is fixed through a locking piece, the elastic assembly is larger than the pressure applied to the elastic assembly at the opening position, the positioning rod 16 can slide downwards relative to the through hole, and then the spring is compressed. Outside locating lever 16 was located to the spring housing, spring one end was connected with mobile station 7, and the other end is connected with lid 2, and 16 one end of elastic component's locating lever is supported with lid 2 and is leaned on, can play the effect to 2 preliminary locations of lid, and it is fixed through the retaining member after the through-hole that removes is passed to the other end of locating lever 16, produces the pretightning force, and this pretightning force is greater than the gravity sum of the material above lid 2 and the lid 2, and this mode of setting realizes elastic component and mobile station 7's stable connection. After the cover body 2 contacts one end of the positioning rod 16 of the elastic assembly, the mobile station 7 continues to drive the cover body 2 and the elastic assembly to move towards the shell body 1, the shell body 1 and the cover body 2 start to be sealed after contacting, at the moment, the mobile station 7 continues to rise, the positioning rod 16 in the elastic assembly can slide downwards relative to the through hole, then the compression spring generates an upward acting force, and the upward acting force continuously acts on the cover body 2 and is used for sealing the shell body 1 and the cover body 2.

In the production and processing at present, the shell 1 and the cover body 2 are required to be processed on the next step after being vacuumized, therefore, before the shell 1 and the cover body 2 are opened, the sealed cavity is required to be inflated, the spring is arranged in the process of inflating the furnace, the effect of the safety relief valve is achieved, and the damage to the shell 1 and the cover body 2 caused by excessive inflation of the sealed cavity is prevented. When the gas filled into the sealing cavity is excessive, the gas generates downward acting force on the cover body 2 to push the cover body 2 to move downwards, the compression deformation of the extrusion spring is generated, and the cover body 2 and the shell body 1 generate a gap, so that the gas is discharged from the gap, the purpose of safe pressure relief is achieved, the equipment is protected from being damaged, and the service lives of the shell body 1 and the cover body 2 are prolonged.

In one embodiment, a protrusion is arranged at one end of the positioning rod 16 connected with the cover body 2, and an external thread is arranged on the outer wall of the protrusion; the lid 2 is provided with the blind hole that the inner wall has the screw thread, and locating lever 16 passes through threaded connection with lid 2. The blind hole has been seted up on lid 2, and locating lever 16 sets up the arch with the one end of being connected of lid 2, through threaded connection between this arch and the blind hole, with the protruding rotation of locating lever 16 to the blind hole in for realize lid 2 and locating lever 16's location, it is fixed through the retaining member after passing the through-hole of mobile station 7 with the other end of locating lever 16 again. The connection and the dismantlement of realization lid 2 and elastic component that threaded connection's mode can be nimble, and the manual work of being convenient for operates, and this mode of setting up when mobile station 7 drives lid 2 and rises, lid 2 can not produce the removal with elastic component because of rocking of the in-process that rises, guarantees that the lid of casing 1 and lid 2 closes the position unchangeably, improves sealed accuracy.

In one embodiment, the locking member includes at least one nut 18, and the outer wall of the end of the positioning rod 16 connected to the nut 18 is provided with external threads; the inner wall of the nut 18 is provided with an internal thread matched with the external thread, and the positioning rod 16 is connected with the nut 18 through the thread. After the cover body 2 is contacted and fixed with one end of a positioning rod 16 of the elastic assembly, the expansion piece 15 generates certain deformation, and the nut 18 is screwed to be contacted with the mobile station 7, so that the positioning rod 16 is locked and fixed, and the elastic assembly generates certain pretightening force; when the shell 1 and the cover 2 need to be opened, the nut 18 is screwed, and the locking of the positioning rod 16 is closed. Specifically, the number of the nuts 18 is two, the two nuts 18 are screwed to be in contact with the moving table 7, the two nuts can be locked with each other, and the nuts are prevented from loosening in the moving process.

In one embodiment, the end of the positioning rod 16 connected to the locking member is provided with evenly distributed insertion holes, and the locking member is a locking rod which can be inserted into the insertion holes for connecting the positioning rod 16 and the locking member. When the telescopic piece deforms to a certain degree, the locking rod is inserted into the jack of the mobile station 7 closest to the telescopic piece, so that the positioning rod 16 is locked and fixed, and the elastic assembly generates a certain pre-tightening force; when the shell 1 and the cover body 2 need to be opened, the locking rod is drawn out from the jack, and the locking of the positioning rod 16 can be closed.

As an embodiment, the elastic assembly further includes a linear bearing 17, and the positioning rod 16 is a polished rod matched with the linear bearing 17; linear bearing 17 passes the through-hole setting, and linear bearing 17's bottom ring platform supports with mobile station 7 and leans on, and the retaining member setting is in linear bearing 17 below. Linear bearing 17 passes the through-hole setting, and polished rod one end is connected with lid 2, and the other end passes linear bearing 17 and is connected with the retaining member, and linear bearing 17 and polished rod cooperation can reduce the frictional force of polished rod when sliding for linear bearing 17, and the polished rod can obtain steady linear motion in linear bearing 17, do benefit to the spring and carry out the pretension to casing 1 and lid 2.

As an embodiment, the moving mechanism is a lifting mechanism, and the moving mechanism further comprises a transmission part and a driving part; the mobile station 7 is connected with the transmission part, and the driving part is in screw transmission fit with the transmission part to control the mobile station 7 to move. The driving part and the transmission part can be matched in a spiral transmission mode, the transmission part is connected with the mobile station 7, the driving part rotates to drive the transmission part to move up and down, the mobile station 7 is driven to move, and finally the cover body 2 is driven to move towards the direction of the shell body 1. The cooperation of this drive division and transmission portion makes the nimble casing 1 direction motion of moving of lid 2, is convenient for sealed and dismantle, reduces operation step, improves degree of automation.

As an embodiment, the transmission part comprises a screw 5 and a linear guide rail assembly, and the driving part comprises a speed reducer 14 and a coupler 12; the mobile station 7 is connected with the linear guide rail assembly; the speed reducer 14 drives the screw rod 5 to rotate through the coupler 12, and the screw rod 5 rotates to drive the linear guide rail assembly to move up and down so as to control the mobile platform 7 and the elastic assembly to ascend or descend. The screw 5 is installed between the first screw supporting seat 4 and the second screw supporting seat 11, the speed reducer 14 is installed on the speed reducer installing seat 13, when the shell 1 and the cover body 2 need to be sealed, a main shaft of the speed reducer 14 is connected with the coupler 12, the speed reducer 14 rotates, the main shaft of the speed reducer 14 drives the screw 5 to rotate through the coupler 12, the rotation drives the linear guide rail assembly to move up and down through screw transmission, and finally the moving platform 7 is controlled to drive the cover body 2 and the elastic assembly to ascend and be sealed after being contacted with the shell 1. Preferably, this lead screw 5 is ball screw, and this ball screw transmission is efficient, can steadily drive the motion of linear guide subassembly.

As an embodiment, the linear guide rail assembly comprises a linear guide rail slider 6, a linear guide rail base plate 10, a linear guide rail 8 and a slider mounting seat 9; the linear guide rail 8 is arranged on a linear guide rail bottom plate 10, and the linear guide rail sliding block 6 is sleeved on the linear guide rail 8 and can move up and down along the linear guide rail 8; the mobile station 7 is connected with the linear guide rail slide block 6 through a slide block mounting seat 9; the screw 5 rotates to drive the linear guide rail slide block 6 to move along the linear guide rail 8, and the linear guide rail slide block 6 drives the moving platform 7 and the elastic component to ascend or descend. Referring to fig. 4, the one end that the mobile station 7 is close to slider mount pad 9 is provided with the mounting panel that links to each other perpendicularly with mobile station 7, mobile station 7 is connected with a side of slider mount pad 9 through this mounting panel, the one end that the slider mount pad 9 was kept away from to mobile station 7 is connected with the mounting panel through the brace rod of slope, this brace rod is three horn shapes, this mode of setting is favorable to supporting mobile station 7, guarantee that mobile station 7 still can steadily move when the atress, make sealed face atress even, improve sealed precision.

As an embodiment, the sealing process of the sealing mechanism is as follows:

(1) the speed reducer rotates to provide moving power for the whole moving mechanism;

(2) the main shaft of the speed reducer drives a ball screw to rotate through a coupler, the ball screw is in spiral fit with the coupler, the rotating motion is converted into linear motion, and a linear guide rail slider is driven to move upwards along a linear guide rail, so that the moving platform, the cover body and the elastic assembly are driven to move upwards through a slider mounting seat;

(3) after the cover body contacts the shell body, the polished rod continuously rises for a certain distance, the polished rod slides downwards through the linear bearing, the spring is compressed, upward force is generated, the force acts on the cover body, the polished rod is locked and fixed through the locking part, and the sealing process is completed.

As an embodiment, a crystal growth assembly includes any one of the sealing mechanism described above, a case 1, and a lid 2; the shell 1 is a crystal growth furnace body, and the cover body 2 is a lower cover covering the crystal growth furnace body. When using sealing mechanism to seal long brilliant stove, can fix a position lid 2, can drive lid 2 steady rising or decline in the vertical direction simultaneously, lid 2 rises and can produce even pretightning force to sealed face after the compression of elastic component, utilizes to seal the point locking simultaneously, improves sealed precision. When the crystal growth assembly is used for the crystal growth process, the sealing operation is simple, the sealing precision is high, a sealing cavity formed by the shell 1 and the cover body 2 is not easily interfered by the outside, and the growth quality of crystals is high.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A sealing mechanism is used for sealing and covering a cover body on an opening of a shell and is characterized by comprising a moving mechanism and an elastic component arranged on a moving table of the moving mechanism;

2. The seal mechanism of claim 1, wherein the moving mechanism is a lifting mechanism, one end of the telescopic member is connected to the moving stage, the other end of the telescopic member is connected to the cover, the cover is disposed below the opening of the housing, and the lifting mechanism can drive the moving stage to drive the cover to lift up to abut against the opening of the housing.

3. The sealing mechanism of claim 2, wherein the telescoping member is a spring, and the resilient assembly further comprises a positioning rod and a retaining member;

the spring housing is arranged outside the positioning rod, the mobile station is provided with a through hole, one end of the positioning rod is abutted to the cover body, the other end of the positioning rod penetrates through the through hole and then is fixed through a locking piece, the elastic assembly is larger than the pressure applied to the elastic assembly in the opening position, the positioning rod can slide downwards relative to the through hole, and then the spring is compressed.

4. The sealing mechanism according to claim 3, wherein a protrusion is arranged at one end of the positioning rod connected with the cover body, and an external thread is arranged on the outer wall of the protrusion;

5. The sealing mechanism according to claim 3, wherein the locking member comprises at least one nut, and an external thread is arranged on the outer wall of one end of the positioning rod connected with the nut;

6. The seal mechanism of claim 3, wherein the resilient assembly further comprises a linear bearing, the positioning rod being a polished rod that mates with the linear bearing;

7. The sealing mechanism according to any one of claims 1 to 6, wherein the moving mechanism further comprises a transmission portion and a driving portion;

the moving mechanism is a lifting mechanism.

8. The seal mechanism of claim 7, wherein the transmission comprises a lead screw and linear guide assembly, and the drive comprises a reducer and a coupler;

the mobile station is connected with the linear guide rail assembly;

9. The seal mechanism of claim 8, wherein the linear guide assembly comprises a linear guide slider, a linear guide base plate, a linear guide, and a slider mount;

10. A crystal growth assembly comprising the sealing mechanism of any one of claims 1 to 9, a housing and a cover;