CN113786769B - Preparation device of laser mixed gas - Google Patents

Abstract

The invention provides a preparation device of laser mixed gas, which comprises an installation mechanism, wherein a mixing device is installed at the top of the installation mechanism, a driving mechanism is installed inside the mixing device, the mixing device comprises an outer pipe and an inner pipe, the inner pipe is fixedly installed inside the outer pipe, a plurality of air inlets are formed in the periphery of the inner pipe, a first air storage tank and a second air storage tank are connected onto the outer pipe, a flow guide device is installed inside the inner pipe, two groups of air inlet mechanisms are symmetrically installed on the flow guide device, a plurality of groups of sealing devices are installed between the outer pipe and the inner pipe, one end of a connecting device is connected with the outer pipe, the other end of the connecting device is connected with a collecting device, and a fixing device is installed inside the connecting device. According to the invention, through the combination of the mixing device, the driving mechanism and the flow guide device, the gas in the first gas storage tank and the gas in the second gas storage tank are premixed in the mixing device, so that the mixing quality is improved and the mixing precision can be ensured.

Description

Preparation device of laser mixed gas

Technical Field

The invention belongs to the technical field of mixed gas preparation, and particularly relates to a preparation device of laser mixed gas.

Background

The mixed gas is a gas containing two or more effective components or a gas containing more than a predetermined limit in spite of being a non-effective component. The prior art discloses a gas mixing device (CN201610900814. X), which comprises an air compressor with an air inlet and an air outlet, and further comprises a first gas storage tank and a second gas storage tank for storing mixed gas, wherein the first gas storage tank is connected with the air inlet of the air compressor through a first pipeline, the second gas storage tank is connected with the air inlet of the air compressor through a second pipeline, the first gas storage tank is communicated with the air outlet of the air compressor through a third pipeline, the second gas storage tank is communicated with the air outlet of the air compressor through a fourth pipeline, the first pipeline to the fourth pipeline are correspondingly provided with a first pipeline to a fourth control valve for controlling the on-off of the corresponding pipelines, the air compressor sends gas in the first gas storage tank into the second gas storage tank through the first pipeline and the fourth pipeline, and sends gas in the second gas storage tank into the first gas storage tank through the second pipeline and the third pipeline, the air compressor returns gas in the two gas storage tanks in a back-and forth circulating manner, so that the mixing speed of the mixed gas can be effectively accelerated, the air compressor does not need to stand for a long time, and can meet the mixing requirement in a short time. This is a relatively conventional method of mixing gases.

At present laser mist is at the preparation in-process, all fill multiple gas in same steel bottle, generally for the natural mixing, gas mixing is even inadequately, thereby influenced the laser performance, the use of being not convenient for, and laser mist is at the preparation in-process, can not carry out the premix with multiple gas, and then reduced the mixing quality, laser mist is at the preparation in-process simultaneously, can not guarantee that multiple gas mixes with the proportion, the mixing precision has been reduced, current laser mist preparation facilities has satisfied not contemporary user demand. Therefore, it is important to provide a device capable of uniformly mixing a plurality of gases and accurately mixing the gases in the same ratio.

Disclosure of Invention

The technical problem to be solved by the present invention is to provide a device for preparing laser mixed gas, which can uniformly mix a plurality of gases in advance and mix them in the same ratio, and has high gas mixing precision.

In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a preparation facilities of laser mist, its characterized in that, includes installation mechanism, the mixing arrangement is installed at installation mechanism top, mixing arrangement internally mounted has actuating mechanism, the mixing arrangement includes outer tube and inner tube, inner tube fixed mounting in inside the outer tube, inner tube week side is equipped with a plurality of air inlets, be connected with gas holder one and gas holder two on the outer tube, inner tube internally mounted has guiding device, two sets of mechanisms of admitting air are installed to the symmetry on the guiding device, multiunit sealing device is installed to outer tube and interior intervally, and connecting device one end is connected with the outer tube, the other end are connected with collection device, connecting device internally mounted has fixing device.

Preferably, the inner wall of the outer pipe is fixedly connected with one end of the outer wall of the inner pipe through a connecting block, the other end of the outer wall of the outer pipe is fixedly connected through a connecting ring, a first connecting head penetrates through the outer pipe and is fixedly connected with the inner pipe, the upper end of the first connecting head is connected with the bottom of the first air storage tank, a second connecting head is fixedly connected with the outer pipe, and the upper end of the second connecting head is connected with the bottom of the second air storage tank; and a driving mechanism for driving the diversion device to rotate is arranged in the first connecting head.

Preferably, the mounting mechanism comprises a mounting frame, a mounting hole is formed in the bottom of the mounting frame, a first mounting block and a second mounting block are arranged at the top of the mounting frame, a stabilizing frame is fixedly mounted at the top of the mounting frame, and the stabilizing frame is located above the first mounting block and located on the outer side of the first mounting block; the outer tube is fixedly installed at the upper end of the first installation block, the stabilizing frame is used for fixing the first air storage tank and the second air storage tank, the first connecting head is in sealing connection with the first air storage tank through screws, the second connecting head is in sealing connection with the second air storage tank through screws, and valves are arranged at the bottoms of the first air storage tank and the second air storage tank.

Preferably, the driving mechanism comprises a connecting frame, the connecting frame is fixedly connected with the inner wall of the first connecting head, a driving shaft is sleeved in the connecting frame, an impeller is installed at the top of the driving shaft, and a first bevel gear is installed at the bottom of the driving shaft.

Preferably, the guiding device includes the pivot of laying along the inner tube axial, two mounts are installed in the rotation of pivot bilateral symmetry, the mount with inner tube inner wall fixed connection, fixed mounting has helical blade in the pivot, bevel gear two is installed to pivot one end, bevel gear two with bevel gear one meshes the connection, bevel gear two is located the mount outside.

Preferably, it is a set of air inlet mechanism includes the fixed block, the fixed suit of fixed block is in the pivot, and the suit is close to the mount is located inboard position, evenly install 4 connecting rods on the fixed block, all be equipped with the drive block on the connecting rod, the outside of drive block has the arc surface.

Preferably, the sealing device comprises a connecting plate, the connecting plate is arranged on the two guide posts in a sliding mode, the guide posts are fixed between the outer tube and the inner tube, a plurality of elastic pieces are arranged between the connecting plate and the outer tube, a plurality of conical sealing heads are arranged between the connecting plate and the inner tube, the sealing heads correspond to the air inlet in position, the inner tube and the air storage tank are sealed, the number of the sealing heads is equal to that of the air storage tank, the sealing heads on the outermost side correspond to the mounting position of a driving block of the air inlet mechanism, and the driving block is extruded to touch the sealing heads when rotating.

Preferably, connecting device includes the connecting pipe, connecting pipe one end with outer tube fixed connection, the inside mounting of connecting pipe has the sliding block, sliding block one side sliding connection has two spacer pins, opposite side fixedly connected with screwed pipe, two fixed orificess have been seted up on the sliding block lateral wall, the screwed pipe runs through to be installed inside the connecting pipe, the screwed pipe outer wall is installed the elastic component, run through on the connecting pipe and seted up two ventholes, the venthole makes connecting device and collection device intercommunication.

Preferably, the fixing device is installed in a groove formed in the inner wall of the connecting pipe, the fixing device comprises an installation seat, the installation seat is fixedly connected with the connecting pipe, a fixing column is connected inside the installation seat in a sliding mode through a spring, the diameter of the fixing column is the same as that of the fixing hole, when the sliding block slides through the air outlet hole, the fixing column and the fixing hole are located at the concentric position, the fixing column penetrates into the fixing hole, the sliding block is fixed with the connecting pipe at the moment, and the fixing device is located on the outer side of the air outlet hole.

Preferably, the collection device includes the holding vessel, the holding vessel outer wall with installation piece upper end fixed connection, holding vessel one end is fixed in the outside of connecting pipe, and the valve is installed to the other end, the venthole is located the holding vessel inboard, the holding vessel internally mounted has the one end of connecting axle, ball is installed to the other end of connecting axle, ball with screwed pipe other end threaded connection, connecting axle week side fixed mounting has eight mixed plates.

Compared with the prior art, the invention has the following advantages:

1. according to the gas storage device, the four mounting holes are formed in the bottom of the mounting frame in a penetrating mode, the mounting of the device is facilitated, the mounting efficiency is improved, the arrangement of the stabilizing frame avoids shaking of the first gas storage tank and the second gas storage tank when the first gas storage tank and the second gas storage tank are used, the use stability of the device is improved, the first connecting head is in sealing connection with the bottom of the first gas storage tank through screws, and the second connecting head is in sealing connection with the bottom of the second gas storage tank through screws, so that gas in the first gas storage tank and the second gas storage tank is prevented from leaking, on one hand, the safety of workers is guaranteed, on the other hand, material waste is avoided, and the practicability of the device is improved.

2. According to the invention, the driving shaft is rotatably connected with the connecting frame, the impeller is fixedly arranged at the top of the driving shaft, when a worker opens a valve of the first gas storage tank, gas in the first gas storage tank drives the impeller to rotate, the bevel gear II is meshed with the bevel gear I to drive the rotating shaft to rotate, two groups of gas inlet mechanisms are fixedly arranged on the outer wall of the rotating shaft, so that a driving block is in contact with the sealing head when the impeller rotates, when the driving block is in contact with the sealing head, gas in the second gas storage tank enters the inner tube through the gas inlet, at the moment, the gas in the first gas storage tank and the gas in the second gas storage tank are premixed in the inner tube, the rotating speeds of the two groups of gas inlet mechanisms depend on the rotating speed of the impeller, further, the same-proportion mixing of the gas in the first gas storage tank and the second gas storage tank is ensured, the worker can control the mixing speed of the valve control device of the first gas storage tank, the use of the worker is facilitated, five elastic pieces are fixedly arranged between the connecting plate and the outer tube, when the driving block is not in contact with the sealing head, the sealing head is tightly attached to the gas inlet under the acting force of the five elastic pieces, the gas inlet, the outflow of the sealing head is avoided, and the mixing precision is improved.

3. The gas premixed in the inner tube moves towards the connecting device under the action of the helical blade, so that the sliding block moves rightwards under the action of pressure, when the sliding block slides through the two air outlet holes, the two fixing columns are inserted and connected with the two fixing holes, the stability of the sliding block after moving is ensured, and when the sliding block slides through the two air outlet holes, the gas premixed in the inner tube enters the collecting tank from the two air outlet holes, and meanwhile, the gas in the collecting tank is impacted by the gas discharged from the two air outlet holes, so that the mixing of the gas in the collecting tank is promoted.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is an external structural view of the present invention.

Fig. 2 is an axial view external structure diagram of the present invention.

FIG. 3 is a schematic view of the present invention, cut at the center.

FIG. 4 is a schematic view of the internal structure of the mixing device of the present invention.

FIG. 5 is a schematic view of the mixing device of the present invention.

Fig. 6 is an enlarged view of the structure at a in fig. 4 according to the present invention.

Fig. 7 is a schematic structural view of a deflector and an air intake structure of the present invention.

Fig. 8 is an enlarged view of the structure of fig. 7 at B.

Fig. 9 is a schematic view of the structure of the sealing device of the present invention.

Fig. 10 is an enlarged view of the structure of fig. 9 at C.

Fig. 11 is a schematic view of the structure of the connecting device of the present invention.

Fig. 12 is an enlarged view of the structure of fig. 11 according to the present invention at D.

Fig. 13 is an enlarged view of the structure of fig. 11 at E according to the present invention.

Fig. 14 is a schematic view of the structure of the collecting device of the present invention.

Fig. 15 is an enlarged view of the structure of fig. 3 at F according to the present invention.

Description of reference numerals:

1-an installation mechanism; 101-a mounting frame; 102-mounting a block one; 103-mounting block two; 104-a stabilizer; 2-a mixing device; 201-outer tube; 2011-connecting block; 2012-connecting rings; 202-inner tube; 2021 — air intake; 203-connector one; 204-connecting head two; 3-a driving mechanism; 301-connecting frame; 302 — a drive shaft; 303-an impeller; 304-bevel gear one; 4-a flow guiding device; 401 — a fixing frame; 402-a rotating shaft; 403-helical blades; 404-bevel gear two; 5, an air inlet mechanism; 501, fixing blocks; 502-connecting rod; 503-a drive block; 6, a sealing device; 601-a guide post; 602-a connecting plate; 603-sealing the head; 7-a connecting device; 701-connecting pipe; 702-a spacing pin; 703-a slider; 7031-fixed orifices; 704-threaded pipes; 705-elastic piece; 706-air outlet; 8, a fixing device; 801-mounting seat; 802-fixed column; 9-a collecting device; 901-a collection tank; 902-a connecting shaft; 903-mixing plate; 904-ball screw; 10, a first air storage tank; 11-gas storage tank two.

Detailed Description

Example 1

The preparation device of the laser mixed gas of this embodiment, as shown in fig. 1-15, the device includes installation mechanism 1, mixing arrangement 2, actuating mechanism 3, guiding device 4, mechanism 5, sealing device 6, connecting device 7, fixing device 8 and collection device 9 of admitting air, mixing arrangement 2 is installed at installation mechanism 1 top, gas holder one 10 and two 11 are installed at the top of mixing arrangement 2, the internally mounted of mixing arrangement 2 has guiding device 4 and actuating mechanism 3, two sets of mechanism 5 that admits air are installed to the symmetry on guiding device 4, connecting device 7 one end is connected with mixing arrangement 2, and the other end is connected with collection device 9, still install multiunit sealing device 6 in mixing arrangement 2, fixing device 8 install in connecting device 7.

As shown in fig. 1 and 2, in this embodiment, the mounting mechanism 1 includes a mounting frame 101, 4 mounting holes are opened at the bottom of the mounting frame 101, a first mounting block 102 and a second mounting block 103 are installed at the top of the mounting frame 101, a stabilizing frame 104 is further fixedly installed at the top of the mounting frame 101, the stabilizing frame 104 is located above the first mounting block 102, supporting legs of the stabilizing frame 104 are located at the outer side of the first mounting block 102, the stabilizing frame 104 is used for fixing the first air storage tank 10 and the second air storage tank 11, the mounting holes are convenient for the mounting of the mounting frame 101, the mounting efficiency is improved, the mounting frame 101 is installed on a stable plane, and the stabilizing frame 104 can avoid the first air storage tank 10 and the second air storage tank 11 from shaking when in use, so as to improve the stability of the device.

In this embodiment, the mixing device 2 includes an outer tube 201 and an inner tube 202, the inner tube 202 is fixedly mounted inside the outer tube 201, the inner wall of the outer tube 201 is fixedly connected with one end of the outer wall of the inner tube 202 through a connecting block 2011, the other end of the outer wall of the outer tube 201 is fixedly connected with the outer wall of the inner tube 2012 through a connecting ring 2012, a plurality of air inlets 2021 are arranged on the periphery of the inner tube 202, a first connecting head 203 penetrates through the outer tube 201 and is fixedly connected with the inner tube 202, the upper end of the first connecting head 203 is connected with the bottom of a first air storage tank 10, a second connecting head 204 is fixedly connected with the outer tube 201, and the upper end of the second connecting head 204 is connected with the bottom of a second air storage tank 11; the utility model discloses a sealing device, including inner tube 202 internally mounted have guiding device 4, the symmetry is installed two sets ofly on the guiding device 4 mechanism 5 admits air, first 203 internally mounted of connector have actuating mechanism 3, install between outer tube 201 and inner tube 202 sealing device 6, connecting device 7 one end is connected with outer tube 201, the other end is connected with collection device 9, connecting device 7 internally mounted have fixing device 8. The lower end of the outer pipe 201 is fixedly provided with the first mounting block 102, the first connecting head 203 is in sealing connection with the first air storage tank 10 through a screw, the second connecting head 204 is in sealing connection with the second air storage tank 11 through a screw, and valves are arranged at the bottoms of the first air storage tank 10 and the second air storage tank 11. The first connecting head 203 and the second connecting head 204 are respectively in sealing connection with the first gas storage tank 10 and the second gas storage tank 11 through screws, so that gas leakage in the first gas storage tank 10 and the second gas storage tank 11 is avoided, on one hand, the safety of workers is guaranteed, on the other hand, material waste is avoided, and the practicability of the device is improved.

As shown in fig. 4, fig. 6, fig. 7, fig. 8, fig. 9, and fig. 10, in this embodiment, the driving mechanism 3 includes a connecting frame 301, the connecting frame 301 is fixedly connected to an inner wall of the first connecting head 203, a driving shaft 302 is sleeved inside the connecting frame 301, an impeller 303 is installed at a top of the driving shaft 302, and a first bevel gear 304 is installed at a bottom of the driving shaft 302. The flow guide device 4 comprises a rotating shaft 402 which is arranged along the axial direction of the inner pipe 202, fixing frames 401 are symmetrically arranged on two sides of the rotating shaft 402, the fixing frames 401 are fixedly connected with the inner pipe 202, spiral blades 403 are fixedly arranged on the rotating shaft 402, a second bevel gear 404 is arranged at one end of the rotating shaft 402, the second bevel gear 404 is meshed with the first bevel gear 304 and is driven by a driving mechanism 3 to rotate and transmit the first bevel gear 304 to the second bevel gear 404, so that the rotating shaft 402 rotates to drive the spiral blades 403 to rotate, gas in the inner pipe 202 is mixed, and the second bevel gear 404 is positioned on the outer side of the fixing frames 401. A set of air inlet mechanism 5 includes fixed block 501, the fixed suit of fixed block 501 is in the pivot 402, and the suit is close to the position that mount 401 is located the inboard, even symmetry is installed 4 connecting rods 502 on the fixed block 501, all be equipped with drive block 503 on the connecting rod 502, the outside of drive block 503 has the arc surface. The sealing devices 6 comprise four groups, the sealing devices 6 comprise connecting plates 602, the connecting plates 602 are arranged on two guide columns 601 in a sliding mode, the guide columns 601 are fixed between the outer pipe 201 and the inner pipe 202, 5 elastic pieces are arranged between the connecting plates 602 and the outer pipe 201, 6 conical sealing heads 603 are arranged between the connecting plates 602 and the inner pipe 202, the sealing heads 603 correspond to the air inlets 2021 to seal the inner pipe 202 and the air storage tank 11, the number of the sealing heads is equal, the sealing heads 603 on the outermost side correspond to the installation position of a driving block 503 of the air inlet mechanism 5, the driving block 503 is pressed to touch the sealing heads 603 when rotating, the sealing devices 6 are uniformly arranged between the outer pipe 201 and the inner pipe 202 in the circumferential direction, and the elastic pieces are springs or elastic rubber blocks. The rotating shaft 402 rotates to drive the driving blocks 503 on the fixing block 501 to rotate, and the outer end circular diameters of the four driving blocks 503 are larger than the inner end circular diameters of the four sealing heads 603, so that when the driving blocks 503 are in contact with the sealing heads 603, the four sealing heads 603 simultaneously move towards the direction of the outer pipe 201 under the action of the four driving blocks 503, and at the moment, gas inside the second gas storage tank 11 enters the inner pipe 202 through the gas inlet 2021 to be premixed; five springs are fixedly arranged between the connecting plate 602 and the outer tube 201, so that when the driving block 503 is not in contact with the sealing head 603, the sealing head 603 is tightly attached to the air inlet 2021 under the action of the five springs, thereby avoiding the outflow of air and improving the mixing precision. When the elastic piece is an elastic rubber block, the corrosion of the gas in the second gas storage tank 11 to the spring can be avoided, so that the service life of the device is prolonged, the sealing performance between the sealing head 603 and the gas inlet 2021 is improved, and the mixing precision of the device is further improved.

As shown in fig. 11, 12, 13, 14 and 15, in this embodiment, the connection device 7 includes a connection pipe 701, one end of the connection pipe 701 is fixedly connected to the outer pipe 201, a sliding block 703 is installed inside the connection pipe 701, the sliding block 703 is slidably connected to two limit pins 702, two fixing holes 7031 are formed in the sliding block 703, a threaded pipe 704 is installed inside the connection pipe 701 in a penetrating manner, one end of the threaded pipe 704 is fixedly connected to the sliding block 703, an elastic member 705 is installed on an outer wall of the threaded pipe 704, two air outlets 706 are formed in the connection pipe 701 in a penetrating manner, and the air outlets 706 enable the connection device 7 and the collection device 9 to be communicated. The fixing device 8 is installed in a groove formed in the inner wall of the connecting pipe 701, the fixing device 8 includes an installation seat 801, the installation seat 801 is fixedly connected with the connecting pipe 701, a fixing column 802 is slidably connected inside the installation seat 801 through a spring, the diameter of the fixing column 802 is the same as that of the fixing hole 7031, when the sliding block 703 slides through the air outlet 706, the fixing column 802 and the fixing hole 7031 are located at the same center, the fixing column 802 penetrates into the fixing hole 7031, the sliding block 703 is fixed to the connecting pipe 701 at the time, two groups of fixing devices 8 are arranged, and the fixing device 8 is located outside the air outlet 706. The collecting device 9 comprises a collecting tank 901, the outer wall of the collecting tank 901 is fixedly connected with the upper end of the mounting block 103, one end of the collecting tank 901 is fixed on the outer side of the connecting pipe 701, a valve is mounted at the other end of the collecting tank 901, the air outlet 706 is located on the inner side of the collecting tank 901, one end of a connecting shaft 902 is rotatably mounted in the collecting tank 901, a ball screw 904 is mounted at the other end of the connecting shaft 902, the ball screw 904 is in threaded connection with the other end of the threaded pipe 704, eight mixing plates 903 are fixedly mounted on the peripheral side of the connecting shaft 902, the four mixing plates 903 form a group, and the two groups of mixing plates are axially arranged along the connecting shaft 902 and evenly distributed on the peripheral side of the connecting shaft 902. The gas premixed in the inner tube 202 moves rightwards under the action of the helical blade 403, so that the sliding block 703 moves rightwards under the action of pressure, when the sliding block 703 is positioned on the right side of the two air outlet holes 706, the two fixing columns 802 are inserted and connected with the two fixing holes 7031, the stability of the sliding block 703 after moving is ensured, and when the sliding block 703 is positioned on the right side of the two air outlet holes 706, the gas premixed in the inner tube 202 enters the collection tank 901 from the two air outlet holes 706, and meanwhile, the gas discharged from the two air outlet holes 706 impacts the gas in the collection tank 901, so that the mixing of the gas in the collection tank 901 is promoted, and due to the threaded connection between the threaded pipe 704 and the ball screw 904, when the sliding block moves leftwards and rightwards in a reciprocating mode, the connecting shaft drives the eight mixing plates 903 to rotate, so that the mixing quality and the mixing precision of the gas in the collection tank 901 are improved, further, the laser is more stable in the emission process, and the laser performance is improved.

In this embodiment, the second air storage tank 11 is located on the right side of the first air storage tank 10, the collecting device 9 is located on the right side of the connecting device 7, the connecting device 7 is located on the right side of the mixing device 2, and the fixing device 8 is located on the right side of the air outlet 706.

The working principle of the laser mixed gas preparation device of the embodiment is as follows:

firstly, a worker fixedly installs the device at a proper position through four installation holes at the bottom of the installation frame 101, then gas to be mixed is filled into the first gas storage tank 10 and the second gas storage tank 11, then a valve of the second gas storage tank 11 is opened, then the valve of the first gas storage tank 10 is opened, when the valve of the first gas storage tank 10 is opened, the gas in the first gas storage tank 10 is transferred into the inner pipe 201, when the gas passes through the first connecting head 203, high-pressure gas in the first gas storage tank 10 drives the impeller 303 to rotate, the impeller 303 rotates to drive the driving shaft 302 to rotate, the driving shaft 302 drives the first bevel gear 304 at the bottom to rotate, as the first bevel gear 304 is meshed with the second bevel gear 404, the second bevel gear 404 drives the rotating shaft 402 to rotate, and as two groups of air inlet mechanisms 5 are fixedly installed on the rotating shaft 402, the fixing blocks 501 in the air inlet mechanisms 5 rotate, the fixed block 501 will drive the connecting rod 502 fixedly installed with the fixed block to rotate, so that the driving block 503 on the connecting rod 502 can contact with the sealing head 603, so that the sealing head 603 slides to one side of the outer tube 201 through the connecting plate 602, a gap is generated between the sealing head 603 and the air inlet 2021 of the inner tube 202, so that the air in the air storage tank two 11 enters the inner tube 202 through the air inlet 2021, when the driving block 503 is not in contact with the sealing head 603, the sealing head 603 is tightly attached to the air inlet 2021 under the action of five elastic members, the outflow of the air is avoided, the mixing precision is improved, the pre-mixed air in the inner tube 202 moves towards the connecting device 7 under the action of the helical blade 403, so that the sliding block moves towards the right along with the increasing air pressure in the outer tube 202, when the sliding block 703 is positioned at the right side of the two air outlet holes 706, the two fixed columns 802 are inserted and connected with the two fixed holes 7031, the stability of the sliding block 703 after having guaranteed the removal, consequently, the gas after the premixing enters into the holding vessel 901 from two ventholes 706 in the inner tube 202, the gas of discharge strikes in the holding vessel 901 from two ventholes 706 simultaneously, the gaseous mixture in the holding vessel 901 has been promoted, because of screwed pipe 704 and ball 904 threaded connection, thereby when making the sliding block 703 left and right sides reciprocating motion, connecting axle 902 drives eight hybrid plates 903 rotatory, thereby gaseous mixing quality and the mixing precision in the holding vessel 901 have been improved, and then make laser more stable in the emission process, the laser performance has been improved.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any simple modification, change and equivalent changes of the above embodiments according to the technical essence of the invention are still within the protection scope of the technical solution of the invention.

Claims (2)

1. The preparation device of the laser mixed gas is characterized by comprising an installation mechanism (1), wherein a mixing device (2) is installed at the top of the installation mechanism (1), a driving mechanism (3) is installed inside the mixing device (2), the mixing device (2) comprises an outer tube (201) and an inner tube (202), the inner tube (202) is fixedly installed inside the outer tube (201), a plurality of air inlets (2021) are arranged on the peripheral side of the inner tube (202), a first air storage tank (10) and a second air storage tank (11) are connected onto the outer tube (201), a flow guide device (4) is installed inside the inner tube (202), two groups of air inlet mechanisms (5) are symmetrically installed on the flow guide device (4), a plurality of groups of sealing devices (6) are installed between the outer tube (201) and the inner tube (202), one end of a connecting device (7) is connected with the outer tube (201), the other end of the connecting device is connected with a collecting device (9), and a fixing device (8) is installed inside the connecting device (7);

the inner wall of the outer pipe (201) is fixedly connected with one end of the outer wall of the inner pipe (202) through a connecting block (2011), the other end of the outer wall of the outer pipe is fixedly connected with a connecting ring (2012), a first connecting head (203) penetrates through the outer pipe (201) and is fixedly connected with the inner pipe (202), the upper end of the first connecting head (203) is connected with the bottom of the first air storage tank (10), a second connecting head (204) is fixedly connected with the outer pipe (201), and the upper end of the second connecting head (204) is connected with the bottom of the second air storage tank (11); a driving mechanism (3) for driving the flow guide device (4) to rotate is arranged in the first connecting head (203);

the driving mechanism (3) comprises a connecting frame (301), the connecting frame (301) is fixedly connected with the inner wall of the first connecting head (203), a driving shaft (302) is sleeved in the connecting frame (301), an impeller (303) is installed at the top of the driving shaft (302), and a bevel gear I (304) is installed at the bottom of the driving shaft;

the flow guide device (4) comprises a rotating shaft (402) which is axially arranged along an inner pipe (202), two fixing frames (401) are symmetrically and rotatably arranged on two sides of the rotating shaft (402), the fixing frames (401) are fixedly connected with the inner wall of the inner pipe (202), a spiral blade (403) is fixedly arranged on the rotating shaft (402), a bevel gear II (404) is arranged at one end of the rotating shaft (402), the bevel gear II (404) is meshed and connected with the bevel gear I (304), and the bevel gear II (404) is positioned on the outer side of the fixing frames (401);

the group of air inlet mechanisms (5) comprises fixed blocks (501), the fixed blocks (501) are fixedly sleeved on the rotating shaft (402) and are sleeved at positions close to the inner sides of the fixed frames (401), 4 connecting rods (502) are uniformly arranged on the fixed blocks (501), driving blocks (503) are arranged on the connecting rods (502), and the outer sides of the driving blocks (503) are provided with arc surfaces;

the sealing device (6) comprises a connecting plate (602), the connecting plate (602) is arranged on two guide posts (601) in a sliding mode, the guide posts (601) are fixed between the outer pipe (201) and the inner pipe (202), a plurality of elastic pieces are arranged between the connecting plate (602) and the outer pipe (201), a plurality of conical sealing heads (603) are arranged between the connecting plate (602) and the inner pipe (202), the sealing heads (603) correspond to the air inlet (2021) in position, sealing between the inner pipe (202) and the air storage tank II (11) is achieved, the sealing heads are equal in number, the sealing heads (603) on the outermost side correspond to the mounting position of a driving block (503) of the air inlet mechanism (5), and the driving block (503) is pressed to touch the sealing heads (603) when rotating;

the connecting device (7) comprises a connecting pipe (701), one end of the connecting pipe (701) is fixedly connected with the outer pipe (201), a sliding block (703) is installed inside the connecting pipe (701), one side of the sliding block (703) is connected with two limiting pins (702) in a sliding mode, the other side of the sliding block is fixedly connected with a threaded pipe (704), two fixing holes (7031) are formed in the side wall of the sliding block (703), the threaded pipe (704) is installed inside the connecting pipe (701) in a penetrating mode, an elastic part (705) is installed on the outer wall of the threaded pipe (704), two air outlet holes (706) are formed in the connecting pipe (701) in a penetrating mode, and the air outlet holes (706) enable the connecting device (7) and the collecting device (9) to be communicated;

the fixing device (8) is installed in a groove formed in the inner wall of the connecting pipe (701), the fixing device (8) comprises an installation seat (801), the installation seat (801) is fixedly connected with the connecting pipe (701), a fixing column (802) is connected inside the installation seat (801) in a sliding mode through a spring, the diameter of the fixing column (802) is the same as that of the fixing hole (7031), when the sliding block (703) slides through the air outlet hole (706), the fixing column (802) and the fixing hole (7031) are located at the same concentric position, the fixing column (802) penetrates into the fixing hole (7031), the sliding block (703) is fixed with the connecting pipe (701), and the fixing device (8) is located on the outer side of the air outlet hole (706);

the collecting device (9) comprises a collecting tank (901), the outer wall of the collecting tank (901) is fixedly connected with the upper end of a second mounting block (103), one end of the collecting tank (901) is fixed on the outer side of a connecting pipe (701), a valve is mounted at the other end of the collecting tank (901), an air outlet (706) is located on the inner side of the collecting tank (901), one end of a connecting shaft (902) is mounted in the collecting tank (901) in a rotating mode, a ball screw (904) is mounted at the other end of the connecting shaft (902), the ball screw (904) is in threaded connection with the other end of a threaded pipe (704), and eight mixing plates (903) are fixedly mounted on the periphery of the connecting shaft (902).

2. The preparation device of the laser mixed gas as claimed in claim 1, wherein the mounting mechanism (1) comprises a mounting frame (101), a mounting hole is formed in the bottom of the mounting frame (101), a first mounting block (102) and a second mounting block (103) are arranged on the top of the mounting frame (101), a stabilizing frame (104) is further fixedly mounted on the top of the mounting frame (101), and the stabilizing frame (104) is located above the first mounting block (102) and outside the first mounting block (102); the utility model discloses a gas storage tank, including installation piece (102), outer tube (201), steady rest (104) are used for fixing gas storage tank (10) and gas storage tank two (11), connecting head (203) are through screw and gas storage tank one (10) sealing connection, connecting head two (204) through screw and gas storage tank two (11) sealing connection, the bottom of gas storage tank one (10) and gas storage tank two (11) all is equipped with the valve.

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