CN213611117U

CN213611117U - Gas mixing device for MPCVD equipment

Info

Publication number: CN213611117U
Application number: CN202022457522.8U
Authority: CN
Inventors: 王凯; 秦静
Original assignee: Meiruo Technology Co ltd
Current assignee: Meiruo Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-07-06
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a gas mixing arrangement for MPCVD equipment, including holding and holding container and adjusting cylinder, hold the container and from top to bottom set gradually the hybrid chamber, chamber one admits air, chamber two admits air, chamber three and chamber four admits air, be provided with the through-hole between hybrid chamber and the chamber one admits air, chamber two admits air, it connects to loop through the connecting pipe between chamber three and the chamber four admits air, install the solenoid valve on the connecting pipe, chamber one admits air, chamber two admits air, chamber three and four one sides in chamber all weld the control tube admits air, it is provided with wiring plug and switchgroup to hold the container, the wiring plug passes through the electric wire and is connected with the switchgroup, the switch passes through the electric wire and is. The utility model discloses a hold the mixing that four kinds of different gases can be accomplished to a maximum of incasement structure, consequently it is more convenient to use to the change can be dismantled to the intake pipe when needing to be changed, and can not influence when changing and hold the normal mixture of incasement gas, therefore the stability in use is good.

Description

Gas mixing device for MPCVD equipment

Technical Field

The utility model relates to a gas mixing device specifically is a gas mixing device for MPCVD equipment, belongs to the relevant technical field of artificial diamond production.

Background

Diamond is also commonly referred to as diamond, a mineral composed of pure carbon and is the hardest substance in nature. Since the 18 th century confirmed that diamond is composed of pure carbon, research on artificial diamond has been started, and only in the 50 th century, through the development of high-pressure research and high-pressure experimental techniques, the research has been truly successful and rapidly developed, and the artificial diamond has also been widely used in various industries, and the current production process generally requires the use of MPCVD equipment, and therefore, a gas mixing device is required, however, most of the existing gas mixing devices have certain defects, on one hand, most of the common gas mixing devices have simple structures, the gas pressure is easy to be overhigh during mixing, certain potential safety hazards exist, on the other hand, the whole equipment needs to stop working when the gas inlet pipe is damaged and needs to be overhauled, so that the production efficiency is influenced, there is a need for a gas mixing device for an MPCVD apparatus to help solve the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a gas mixing device for MPCVD equipment, which can achieve the mixing of four different gases at most by accommodating the internal structure of the box, so the use is more convenient, and the intake pipe can be disassembled and replaced when it needs to be replaced, and the normal mixing of the gas in the box can not be affected when the intake pipe is replaced, so the stability in use is good.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a gas mixing arrangement for MPCVD equipment, including holding and holding the case and adjusting cylinder, holding and holding the incasement from top to bottom set gradually hybrid chamber, air inlet chamber one, air inlet chamber two, air inlet chamber three and air inlet chamber four, the hybrid chamber with be provided with the through-hole between the air inlet chamber one, air inlet chamber one air inlet chamber two air inlet chamber three with loop through the connecting pipe connection between the air inlet chamber four, install the solenoid valve on the connecting pipe, air inlet chamber one air inlet chamber two air inlet chamber three with the control tube has all been welded to four sides in air inlet chamber, it is provided with wiring plug and switch block to hold on the case, the wiring plug pass through the electric wire with switch block connects, the switch pass through the electric wire with the solenoid valve is connected.

Preferably, in order to ensure the pressure balance in the mixing cavity, the adjusting oil cylinder is mounted at the top of the accommodating box through a bolt, a sealing plate is clamped in the mixing cavity, the sealing plate is mounted at one end of the adjusting oil cylinder, and the adjusting oil cylinder is connected with the switch group through an electric wire.

Preferably, in order to ensure the discharge of the mixed gas, a discharge pipe is welded on one side of the mixing cavity, and a control valve is installed on the discharge pipe.

Preferably, in order to conveniently introduce gas, an air inlet pipe is arranged at one end of the control pipe, a threaded ring pipe is welded at one end of the air inlet pipe, a threaded groove is formed in the inner wall of the control pipe, and the threaded ring pipe is meshed with the threaded groove.

Preferably, in order to ensure that gas can enter the containing box, an exhaust ring plate is welded on one side of the threaded ring pipe, and an exhaust hole is formed in the exhaust ring plate.

Preferably, in order to ensure good air tightness in the container box, a fixing ring is welded inside the control tube, and a blocking piece is arranged on one side of the fixing ring.

Preferably, in order to ensure the position of the control baffle plate, a limiting spring is welded between the baffle plate and the inside of the control pipe.

The utility model has the advantages that: the utility model discloses a hold the mixing that four kinds of different gases can be accomplished to a container inner structure at most to use the adjusting cylinder to drive the closing plate and remove and to guarantee that atmospheric pressure is stable, therefore the security is better, and can dismantle the change when the intake pipe need be changed, and can not influence when changing and hold the normal mixture of container incasement gas, therefore the stability in use is good.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a cross-sectional view of the control tube of the present invention (during ventilation).

Fig. 4 is a cross-sectional view of the control tube of the present invention (when not vented).

In the figure: 1. the device comprises a containing box, 2, a regulating oil cylinder, 3, a mixing cavity, 4, a first air inlet cavity, 5, a second air inlet cavity, 6, a third air inlet cavity, 7, a fourth air inlet cavity, 8, a connecting pipe, 9, an electromagnetic valve, 10, a control pipe, 11, a switch group, 12, a sealing plate, 13, a discharge pipe, 14, a control valve, 15, an air inlet pipe, 16, a threaded ring pipe, 17, a screw groove, 18, an exhaust ring piece, 19, an exhaust hole, 20, a fixing ring, 21, a blocking piece, 22 and a limiting spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a gas mixing device for MPCVD equipment comprises a containing box 1 and an adjusting cylinder 2, wherein a mixing chamber 3, a first air inlet chamber 4, a second air inlet chamber 5, a third air inlet chamber 6 and a fourth air inlet chamber 7 are sequentially arranged in the containing box 1 from top to bottom, a through hole is formed between the mixing chamber 3 and the first air inlet chamber 4, the second air inlet chamber 5, the third air inlet chamber 6 and the fourth air inlet chamber 7 are sequentially connected through a connecting pipe 8, an electromagnetic valve 9 is installed on the connecting pipe 8, control pipes 10 are welded on one sides of the first air inlet chamber 4, the second air inlet chamber 5, the third air inlet chamber 6 and the fourth air inlet chamber 7, a wiring plug and a switch group 11 are arranged on the containing box 1, the wiring plug is connected with the switch group 11 through an electric wire, and the switch is connected.

As a technical optimization scheme of the utility model, adjusting cylinder 2 installs through the bolt and holds 1 top of containing, and 3 inside callipers of hybrid chamber are equipped with closing plate 12, and closing plate 12 is installed in 2 one ends of adjusting cylinder, and adjusting cylinder 2 passes through the electric wire to be connected with switch group 11, consequently can guarantee that 3 internal pressure of hybrid chamber are balanced.

As the utility model discloses a technical optimization scheme, the welding of 3 one sides of hybrid chamber has delivery pipe 13, installs control valve 14 on delivery pipe 13 to can guarantee the gas outgoing after mixing.

As a technical optimization scheme of the utility model, control tube 10 one end is provided with

intake pipe

15, and 15 one end welding of intake pipe has threaded ring pipe 16, is provided with screw groove 17 on control tube 10's the inner wall, and threaded ring pipe 16 meshes with screw groove 17 mutually, consequently can conveniently let in gas.

As a technical optimization scheme of the utility model, the welding of 16 one sides of threaded ring pipes has exhaust ring piece 18, is provided with exhaust hole 19 on the exhaust ring piece 18 to can guarantee that gas can get into and hold the container 1 in.

As a technical optimization scheme of the utility model, the welding has solid fixed ring 20 on the inside of control tube 10, and solid fixed ring 20 one side is provided with separation blade 21, consequently can guarantee to hold that the container 1 is interior gas tightness is good.

As a technical optimization scheme of the utility model, the welding has spacing spring 22 between the inside of separation blade 21 and control tube 10 to can guarantee the position of control separation blade 21.

When the utility model is used, the number of the first air inlet cavity 4, the second air inlet cavity 5, the third air inlet cavity 6 and the fourth air inlet cavity 7 is selected from top to bottom according to the type of the introduced gas, then the gas enters the first air inlet cavity 4, the second air inlet cavity 5, the third air inlet cavity 6 and the fourth air inlet cavity 7 through the air inlet pipe 15, as shown in figure 3, the gas can pass through the air inlet pipe 15, the threaded ring pipe 16 and the exhaust hole 19 on the exhaust ring piece 18 to enter the first air inlet cavity 4, the second air inlet cavity 5, the third air inlet cavity 6 and the fourth air inlet cavity 7, after the introduction is finished, the wiring plug is connected into the external power supply, the electromagnetic valve 9 is opened through the switch group 11, therefore, the gas can flow upwards to enter the mixing cavity 3, the adjusting oil cylinder 2 is started through the switch group 11, therefore, the sealing plate 12 can be driven to be pulled upwards, thereby the gas can be attracted to, after mixing, the mixture is discharged by opening the control valve 14.

The utility model discloses when using, when intake pipe 15 needs to be changed or the maintenance, as shown in fig. 3 and fig. 4, with intake pipe 15 outwards twisting, consequently threaded ring pipe 16 can be twisted out, separation blade 21 can be pulled to the position of hugging closely solid fixed ring 20 under spacing spring 22's elasticity effect simultaneously, intake pipe 15 dismantles back control tube 10 inner structure as shown in fig. 4, separation blade 21 blocks solid fixed ring 20 this moment, consequently, can guarantee air intake chamber one 4, air intake chamber two 5, air intake chamber three 6 and air intake chamber four 7 interior gas tightness are good, thereby can place case 1 and still can normally use when changing or maintaining intake pipe 15.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A gas mixing device for an MPCVD apparatus, comprising a containing box (1) and a regulating cylinder (2), characterized in that: the containing box (1) is internally provided with a mixing cavity (3), an air inlet cavity I (4), an air inlet cavity II (5), an air inlet cavity III (6) and an air inlet cavity IV (7) from top to bottom in sequence, a through hole is arranged between the mixing cavity (3) and the first air inlet cavity (4), the second air inlet cavity (5), the third air inlet cavity (6) and the fourth air inlet cavity (7) are sequentially connected through a connecting pipe (8), an electromagnetic valve (9) is installed on the connecting pipe (8), control pipes (10) are welded on one sides of the first air inlet cavity (4), the second air inlet cavity (5), the third air inlet cavity (6) and the fourth air inlet cavity (7), the accommodating box (1) is provided with a wiring plug and a switch group (11), the wiring plug is connected with the switch group (11) through an electric wire, and the switch is connected with the electromagnetic valve (9) through an electric wire.

2. A gas mixing device for an MPCVD apparatus according to claim 1, wherein: the adjusting oil cylinder (2) is installed at the top of the containing box (1) through a bolt, a sealing plate (12) is clamped in the mixing cavity (3), the sealing plate (12) is installed at one end of the adjusting oil cylinder (2), and the adjusting oil cylinder (2) is connected with the switch group (11) through an electric wire.

3. A gas mixing device for an MPCVD apparatus according to claim 1, wherein: a discharge pipe (13) is welded on one side of the mixing cavity (3), and a control valve (14) is installed on the discharge pipe (13).

4. A gas mixing device for an MPCVD apparatus according to claim 1, wherein: an air inlet pipe (15) is arranged at one end of the control pipe (10), a threaded ring pipe (16) is welded at one end of the air inlet pipe (15), a screw groove (17) is formed in the inner wall of the control pipe (10), and the threaded ring pipe (16) is meshed with the screw groove (17).

5. A gas mixing device for an MPCVD apparatus according to claim 4, wherein: an exhaust ring piece (18) is welded on one side of the threaded ring pipe (16), and an exhaust hole (19) is formed in the exhaust ring piece (18).

6. A gas mixing device for an MPCVD apparatus according to claim 4, wherein: the welding has solid fixed ring (20) on the inside of control tube (10), gu fixed ring (20) one side is provided with separation blade (21).

7. A gas mixing device for an MPCVD apparatus according to claim 6, wherein: a limiting spring (22) is welded between the baffle plate (21) and the inside of the control tube (10).