CN213520677U

CN213520677U - Evacuating device for laser tube

Info

Publication number: CN213520677U
Application number: CN202023003649.9U
Authority: CN
Inventors: 蔡鼎福
Original assignee: Shanghai Sun Up Laser Technology Co ltd
Current assignee: Shanghai Sun Up Laser Technology Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-06-22
Anticipated expiration: 2030-12-14

Abstract

The utility model discloses an evacuating device for laser tube belongs to laser tube evacuation technical field. The laser tube placing device comprises a workbench, wherein a placing seat is fixedly arranged at the top of the workbench, a laser tube is placed on the placing seat, a vacuum interface is communicated with the laser tube, and placing racks are respectively fixedly arranged on two sides of one end of the top of the workbench. This device is mainly through this vacuum pump, No. two valves, the output tube, the pipeline, the breather pipe, the combination of access & exit and vacuum interface carries out the evacuation operation to laser intraductal, and utilize the vacuometer to observe at any time, and utilize the air feed subassembly to come to carry out the gas filling operation to the laser pipe after the evacuation, and whole process only needs to insert laser interface and breather pipe on the laser pipe, need not plug many times, and utilize detecting element to detect, thereby whole evacuation's operating time has been shortened, efficiency obtains promoting, and gaseous extravagant condition has still been reduced and has appeared.

Description

Evacuating device for laser tube

Technical Field

The utility model relates to a evacuating device for laser tube belongs to laser tube evacuation technical field.

Background

Laser pipe, the full name should be: glass sealed off CO2 laser. The laser is formed by packaging a glass tube, is commonly called a laser tube, and has the working principle that high-voltage discharge excites high-concentration CO2 gas to generate laser with the wavelength of 10.6 um.

The laser pipe, when the finished product is made, need carry out the evacuation operation, current nevertheless be with the inside evacuation of laser pipe earlier, then pass through breather hose and let in different gas to the laser intraduct in turn, for this whole operation process can make whole evacuation activity duration long, inefficiency, different hoses insert or draw the laser pipe in addition and cause gas leakage often to still can cause gaseous waste.

Disclosure of Invention

The utility model discloses to the technical problem that above-mentioned background art mentioned, and adopt following technical scheme to realize:

the utility model provides an evacuating device for laser tube, includes the workstation, the fixed seat of placing that is equipped with in top of workstation, place and placed the laser tube on the seat, the intercommunication has the vacuum interface on the laser tube, the top one end both sides of workstation are fixed respectively and are equipped with the rack, two the common cover is equipped with the pipeline on the rack, one side intercommunication of pipeline has the access & exit, common intercommunication has the breather pipe between the two of access & exit and vacuum interface, the vacuum pump is installed to the bottom of workstation, vacuum pump input intercommunication has the output tube, the one end of output tube is linked together with the lateral wall of pipeline, air feed subassembly is still installed to the bottom of workstation for supply gas in the laser tube, still the intercommunication has detection module on the pipeline, is used for detecting the condition that gas got into laser tube inside.

As a preferred example, the air supply assembly comprises a plurality of branch pipes and a first main pipe, one ends of the branch pipes are respectively communicated with external air supply equipment, the other ends of the branch pipes are commonly communicated with the first main pipe, and one end of the first main pipe is communicated with the side wall of the pipeline.

It should be noted that: the external air supply equipment is an air bottle with a valve and a pressure gauge.

As a preferable example, the number of the placing seats is at least three, the number of each group of placing seats is two, and one laser tube is placed on every two placing seats, the number of the inlets and outlets on the pipeline is also at least three, and each inlet and outlet corresponds to one end of each laser tube.

As a preferred example, the number of the branch pipes is six.

It should be noted that: the interior of the six branch pipes is respectively filled with hydrogen, hernia, neon, carbon dioxide, nitrogen and helium.

As a preferable example, each branch pipe is respectively communicated with a valve with the number one, a flow meter and a pressure meter.

As a preferable example, a valve II is communicated with the output pipe, a vacuum gauge is further arranged at the bottom of the workbench, and one end of the vacuum gauge is communicated with the valve II.

As a preferred example, the detection assembly comprises a two-grade manifold, a lamp holder, a cold cathode glow discharge lamp, a mercury column holder and a mercury column, the pipeline is also communicated with two detection interfaces, one end of the two-grade manifold is communicated with one of the detection interfaces, the other end of the two-grade manifold is provided with the lamp holder, the cold cathode glow discharge lamp is installed in the lamp holder, and the other end of the two-grade manifold is communicated with the lamp holder;

the mercury column seat is installed on the top of the workbench, the mercury column is installed on the mercury column seat, and one end of the mercury column is communicated with the other detection interface through a communicating pipe.

The utility model has the advantages that: this device is mainly through this vacuum pump, No. two valves, the output tube, the pipeline, the breather pipe, the combination of access & exit and vacuum interface carries out the evacuation operation to laser intraductal, and utilize the vacuometer to observe at any time, and utilize the air feed subassembly to come to carry out the gas filling operation to the laser pipe after the evacuation, and whole process only needs to insert laser interface and breather pipe on the laser pipe, need not plug many times, and utilize detecting element to detect, thereby whole evacuation's operating time has been shortened, efficiency obtains promoting, and gaseous extravagant condition has still been reduced and has appeared.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of portion A of FIG. 1;

fig. 3 is a schematic structural view of a portion B-B in fig. 1.

In the figure: the device comprises a workbench 1, a placing seat 2, a laser tube 3, a vacuum interface 4, a placing rack 5, an inlet and outlet 9, a vent pipe 7, a vacuum pump 8, an output pipe 10, a branch pipe 11, a first header pipe 12, a first valve 13, a flowmeter 14, a pressure gauge 15, a second valve 16, a vacuum gauge 17, a second header pipe 18, a lamp holder 19, a cold cathode glow discharge lamp 20, a mercury column seat 21, a mercury column 22 and a detection interface 23.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.

As shown in fig. 1-3, a vacuum pumping device for a laser tube comprises a workbench 1, a placing seat 2 is fixedly arranged on the top of the workbench 1, a laser tube 3 is placed on the placing seat 2, a vacuum connector 4 is communicated with the laser tube 3, two placing frames 5 are respectively fixedly arranged on two sides of one end of the top of the workbench 1, a pipeline 6 is sleeved on the two placing frames 5, one side of the pipeline 6 is communicated with an inlet 9, a vent pipe 7 is communicated between the inlet 9 and the vacuum connector 4, a vacuum pump 8 is arranged at the bottom of the workbench 1, an input end of the vacuum pump 8 is communicated with an output pipe 10, one end of the output pipe 10 is communicated with the side wall of the pipeline 6, an air supply assembly is further arranged at the bottom of the, the gas supply device is used for supplying gas into the laser tube 3, and the pipeline 6 is also communicated with a detection assembly for detecting the condition that the gas enters the laser tube 3.

The air supply assembly comprises a plurality of branch pipes 11 and a first main pipe 12, one ends of the branch pipes 11 are respectively communicated with external air supply equipment, the other ends of the branch pipes 11 are jointly communicated with the first main pipe 12, and one end of the first main pipe 12 is communicated with the side wall of the pipeline 6.

The number of placing seats 2 is at least three, and the number of placing seats 2 in each group is two, and one laser tube 3 is placed on every two placing seats 2, and the number of the inlet and outlet 9 on the pipeline 6 is also at least three, and each inlet and outlet 9 corresponds to one end of each laser tube 3.

The number of branch pipes 11 is six.

Each branch pipe 11 is respectively communicated with a No. one valve 13, a flowmeter 14 and a pressure gauge 15.

The output pipe 10 is communicated with a double-type valve 16, the bottom of the workbench 1 is also provided with a vacuum gauge 17, and one end of the vacuum gauge 17 is communicated with the double-type valve 16.

The detection assembly comprises a double-grade manifold 18, lamp holders 19, a cold cathode glow discharge lamp 20, a mercury column holder 21 and a mercury column 22, the pipeline 6 is also communicated with two detection interfaces 23, one end of the double-grade manifold 18 is communicated with one of the detection interfaces 23, the other end of the double-grade manifold 18 is provided with the lamp holder 19, the cold cathode glow discharge lamp 20 is installed in the lamp holder 19, and the other end of the double-grade manifold 18 is communicated with the lamp holder 19;

the mercury column seat 21 is arranged at the top of the workbench 1, the mercury column 22 is arranged on the mercury column seat 21, and one end of the mercury column 22 is communicated with the other detection interface 23 through a communicating pipe.

The working principle is as follows:

I. firstly, opening a secondary valve 16, then starting a vacuum pump 8, carrying out vacuum pumping operation on the interior of the laser tube 3 under the communication of an output tube 10, the secondary valve 16, a pipeline 6, an inlet and an outlet 9 and a vent pipe 7, observing by using a vacuum gauge 17 during the vacuum pumping operation, and closing the vacuum pump 8 and the secondary valve 13 when the interior of the laser tube 3 is in a vacuum state;

II. Then according to the actual production situation, the valve 13 No. one on the branch pipes 11 can be respectively opened, so that the gas stored in the external gas supply equipment enters the pipeline 6 through the branch pipes 11 and the main pipe 12 No. one, the corresponding pressure gauge 15 and the flow meter 14 can be observed in the process of passing through the branch pipes 11, and then enters the laser pipe 3 through the communication of the inlet and outlet 9 and the vent pipe 7 with the vacuum interface 4, wherein the gas in the laser pipe 3 mainly comprises two groups of different gas combinations, three different gas combinations, four different gas combinations, five different gas combinations and all gas combinations;

III, in the process of flushing gas, the gas enters the cold cathode glow discharge lamp 20 on the lamp holder 19 through the double-number manifold 18 communicated with the detection interface 23 on the pipeline 6, so that the color change of the cold cathode glow discharge lamp 20 can be observed, and in addition, the lifting condition of the mercury column 22 can be observed through the mercury column 22 communicated with the detection interface on the pipeline 6.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an evacuating device for laser pipe, includes workstation (1), the fixed seat (2) of placing that is equipped with in top of workstation (1), place and have placed laser pipe (3) on seat (2), the intercommunication has vacuum interface (4), its characterized in that on laser pipe (3): the top one end both sides of workstation (1) are fixed respectively and are equipped with rack (5), two the common cover is equipped with pipeline (6) on rack (5), one side intercommunication of pipeline (6) has access & exit (9), common intercommunication has breather pipe (7) between access & exit (9) and vacuum interface (4) the two, vacuum pump (8) are installed to the bottom of workstation (1), vacuum pump (8) input intercommunication has output tube (10), the one end of output tube (10) is linked together with the lateral wall of pipeline (6), air feed assembly is still installed to the bottom of workstation (1) for supply gas in toward laser pipe (3), it has detecting element to go up still to communicate on pipeline (6), is used for the condition that detecting gas got into laser pipe (3) inside.

2. The evacuation apparatus for a laser tube according to claim 1, wherein: air feed subassembly includes many spinal branch pipes (11) and No. one house steward (12), many the one end of branch pipe (11) communicates respectively has outside air feeder, many the other end of branch pipe (11) is linked together with No. one house steward (12), the one end and pipeline (6) lateral wall of No. one house steward (12) are linked together.

3. The evacuation apparatus for a laser tube according to claim 1, wherein: the number of the placing seats (2) is at least three, the number of each group of placing seats (2) is two, every two laser tubes (3) are placed on the placing seats (2), the number of the inlet and outlet (9) on the pipeline (6) is at least three, and each inlet and outlet (9) corresponds to one end of each laser tube (3).

4. The evacuation apparatus for a laser tube according to claim 2, wherein: the number of the branch pipes (11) is six.

5. The evacuation apparatus for a laser tube according to claim 4, wherein: each branch pipe (11) is respectively communicated with a valve (13) I, a flowmeter (14) and a pressure gauge (15).

6. The evacuation apparatus for a laser tube according to claim 1, wherein: a valve II (16) is communicated with the output pipe (10), a vacuum gauge (17) is further arranged at the bottom of the workbench (1), and one end of the vacuum gauge (17) is communicated with the valve II (16).

7. The evacuation apparatus for a laser tube according to claim 1, wherein: the detection assembly comprises a double-number header pipe (18), lamp holders (19), a cold cathode glow discharge lamp (20), a mercury column holder (21) and a mercury column (22), the pipeline (6) is also communicated with two detection interfaces (23), one end of the double-number header pipe (18) is communicated with one of the detection interfaces (23), the lamp holder (19) is arranged at the other end of the double-number header pipe (18), the cold cathode glow discharge lamp (20) is installed in the lamp holder (19), and the end part of the other end of the double-number header pipe (18) is communicated with the lamp holder (19);

the mercury column seat (21) is arranged at the top of the workbench (1), the mercury column (22) is arranged on the mercury column seat (21), and one end of the mercury column (22) is communicated with the other detection interface (23) through a communicating pipe.