Automated Ablation Experiment System

Abstract

The present application relates to an automated ablation experiment system, a rack; a control console; a mounting mechanism mounted on the rack; an ablation mechanism mounted on the mounting mechanism, a flame outlet being provided on the side of the ablation mechanism; an air supply mechanism mounted on the rack and used to provide oxygen and acetylene to the ablation mechanism; an automatic sample delivery mechanism mounted on the rack, a sample box capable of loading multiple samples to be ablated is provided on the automatic sample delivery mechanism; an ignition mechanism mounted on the sample box; and a cooling mechanism mounted on the rack, the cooling mechanism cools the outer shell and the sample box of the ablation mechanism through circulated cooling water. The present application has the following expected technical effects: it can realize automatic ignition, automatic adjustment of flame size, and automatic delivery and replacement of samples to be ablated, which is more automated and intelligent, and has higher work efficiency.

Description

Technical Field

[0001] The present application relates to the technical field of ablation experimental equipment, and in particular to an automated ablation experimental system. Background Art

[0002] Ablation testers are mainly used for ablation tests of ablative materials such as heat protection, thermal insulation, coating materials, carbon / carbon composite materials, refractory metals and high-temperature ceramics. Currently, ablation testers on the market are generally equipped with only one set of ablation guns and one set of fixtures for fixing the pattern.

[0003] With respect to the above-mentioned related technologies, the inventors believe that the following defects exist: the ablation gun requires manual adjustment of the flame size, that is, the staff needs to manually adjust the supply of oxygen and acetylene, and manual ignition is required, and only one sample can be subjected to ablation experiments at a time. When replacing other samples, it is necessary to frequently disassemble and install new samples on the fixture, which is not automated or intelligent enough and has low work efficiency. Summary of the invention

[0004] This application provides an automated ablation experiment system to improve the following technical problems:

[0005] The ablation gun of a common ablation testing machine requires manual adjustment of the flame size, that is, the staff needs to manually adjust the supply of oxygen and acetylene, and manual ignition is required. In addition, only one sample can be subjected to ablation experiments at a time. When replacing other samples, new samples need to be frequently removed and installed on the fixture. This is not automated or intelligent enough, and the work efficiency is low.

[0006] The present application provides an automated ablation experiment system, which adopts the following technical solutions:

[0007] An automated ablation experiment system, comprising:

[0008] frame;

[0009] Control console;

[0010] A mounting mechanism, mounted on the frame;

[0011] an ablation mechanism, mounted on the mounting mechanism, wherein a flame outlet is provided on the side of the ablation mechanism, and flames are ejected from the flame outlet to ablate the sample to be ablated;

[0012] A gas supply mechanism, installed on the frame and used to provide oxygen and acetylene to the ablation mechanism, wherein the gas supply mechanism is provided with a control component electrically connected to the control console, and the oxygen flow / quality and the acetylene flow / quality are controlled by the control console;

[0013] An automatic sample delivery mechanism is installed on the frame, and a sample box capable of loading a plurality of samples to be ablated is provided on the automatic sample delivery mechanism. The automatic sample delivery mechanism is used to intermittently deliver the plurality of samples to be ablated to the flame outlet, and a power part of the automatic sample delivery mechanism is electrically connected to the control console;

[0014] an ignition mechanism, mounted on the sample box, the ignition mechanism being driven to move by the power part of the automatic sample feeding mechanism, the ignition mechanism automatically ignites when approaching the flame outlet, the ignition mechanism being electrically connected to the control console; and,

[0015] A cooling mechanism is installed on the frame, and the cooling mechanism cools down the shell of the ablation mechanism and the sample box through circulated cooling water.

[0016] By adopting the above technical solution, the staff can load the PLC control program in the control console, and then automatically control the gas supply mechanism to achieve the purpose of automatically controlling the oxygen flow rate and the acetylene flow rate, and can control the ignition mechanism to automatically start the ignition function, so that the oxygen and acetylene in the ablation mechanism burn to form a flame, and the size and temperature of the flame can be indirectly controlled by the oxygen flow rate and the acetylene flow rate. The automatic sample feeding mechanism can realize the function of quickly and automatically switching the sample to be ablated, without the need to manually change the sample. In general, this system is more automated, intelligent, and has higher work efficiency.

[0017] Optionally, the gas supply mechanism includes an oxygen storage container, an acetylene storage container, an oxygen pipe and an acetylene pipe,

[0018] The oxygen storage container and the ablation mechanism are connected via the oxygen tube, on which a first gas controller is disposed; the acetylene storage container and the ablation mechanism are connected via the acetylene tube, on which a second gas controller is disposed; and both the first gas controller and the second gas controller are electrically connected to the control console.

[0019] By adopting the above technical solution, the air supply mechanism of the above design has a simple structure, is easy to operate, and has relatively low manufacturing and maintenance costs.

[0020] Optionally, the automatic sample delivery mechanism further includes:

[0021] A movable seat, the sample box is mounted on the movable seat, and a side portion of the sample box is provided with a plurality of ablation openings spaced apart along a first direction;

[0022] A plurality of locking parts, wherein the locking parts are installed on the side of the sample box away from the ablation port, the locking parts and the ablation ports are arranged in a one-to-one correspondence, and the locking parts are used to fix the sample to be ablated in the sample box; and,

[0023] A driving part, wherein the driving part is connected to the moving base and is used for driving the moving base to move back and forth along the first direction.

[0024] By adopting the above technical solution, after the experiment of one of the samples to be ablated is completed, when other samples to be ablated need to be replaced, it is only necessary to start the driving unit, and the driving unit will drive the movable seat to move back and forth, thereby driving the sample box to move a certain distance, so that different ablation ports and samples to be ablated are aligned with the flame of the ablation gun. During a certain set of experiments, there is no need to frequently disassemble and install the samples to be ablated, which greatly improves work efficiency.

[0025] Optionally, the driving unit includes:

[0026] Fixed box;

[0027] A driving screw rod, the driving screw rod is rotatably assembled in the fixing box, and the driving screw rod is arranged along the first direction;

[0028] A sliding block, wherein the sliding block is slidably assembled in the fixed box, the sliding direction of the sliding block is consistent with the first direction, the sliding block and the driving screw are threadedly assembled, and the sliding block is connected to the moving seat; and,

[0029] A servo motor is installed on the side of the fixed box, the output shaft of the servo motor is connected to one end of the driving screw rod, and the servo motor is electrically connected to the control operating table.

[0030] By adopting the above technical solution, when the servo motor is started, its output shaft can drive the driving screw to rotate, and then drive the sliding block and the moving seat to move together. The working time, rotation rate and rotation angle of the servo motor can be controlled by the PLC control program, and then the sliding block can be accurately driven to slide to the preset position, thereby achieving the purpose of accurately driving the sample box to move intermittently with equal spacing; the driving part of the above design has a simple structure, and is relatively convenient to purchase, replace, maintain and operate, and has stable drive.

[0031] Optionally, the locking portion includes:

[0032] a locking cylinder, the locking cylinder being detachably mounted on the sample box; and

[0033] A spring is installed in the locking cylinder and is used to press against the sample to be ablated in the sample box.

[0034] By adopting the above technical solution, the locking part of the above design has a simple structure and is easy to install. After the locking cylinder is removed, different samples to be ablated can be replaced. Under the action of the elastic restoring force of the spring, the sample to be ablated can be pressed tightly into the sample box, which is conducive to the rapid installation and fixation of the sample to be ablated.

[0035] Optionally, the mounting mechanism includes:

[0036] A fixing seat, fixedly mounted on the frame;

[0037] A sliding seat, slidably mounted on the fixed seat along a second direction, wherein the second direction is perpendicular to the first direction;

[0038] a fixing assembly, fixedly mounted on the sliding seat, the fixing assembly being used to fix the ablation mechanism; and,

[0039] The adjusting screw rod is rotatably mounted on the fixing seat. The adjusting screw rod and the sliding seat are threadedly assembled. One end of the adjusting screw rod extends out of the fixing seat and is provided with a screwing portion.

[0040] By adopting the above technical solution, the sliding seat and the fixed component can be driven to slide along the second direction by rotating the adjusting screw, thereby adjusting the distance between the ablation mechanism and the ignition mechanism and the sample to be ablated, thereby achieving better adaptability.

[0041] Optionally, the ablation mechanism is an ablation gun, the shell of the ablation gun is cylindrical, the fixed component includes a support block and a plurality of arc-shaped pressure strips arranged at intervals, the support block is provided with an arc groove, the arc-shaped pressure strip and the support block are detachably assembled, and the shell of the ablation gun passes through the arc groove and the arc-shaped pressure strip.

[0042] By adopting the above technical solution, the ablation gun can be fixed on the mounting mechanism more stably, and the ablation gun can also be disassembled for easy maintenance and replacement.

[0043] Optionally, the ignition mechanism includes an L-shaped connecting arm and an automatic igniter, one end of the L-shaped connecting arm is fixed to the sample box, the automatic igniter is installed on the other end of the L-shaped connecting arm, and the automatic igniter is electrically connected to the control console.

[0044] By adopting the above technical solution, the L-shaped connecting arm can make the automatic igniter be arranged away from the sample box. Therefore, when the sample to be ablated in the sample box is undergoing an ablation experiment, the automatic igniter can be kept away from the flame area as much as possible, effectively avoiding itself from being burned and extending its service life.

[0045] Optionally, the cooling mechanism includes a cooling water tank, a circulating water pump, and a water inlet pipe and a water outlet pipe. The cooling water tank and the circulating water pump are both installed inside the frame. One end of the water outlet pipe is connected to the circulating water pump. The other end of the water outlet pipe is provided with two outlets and are respectively connected to the sample box and the outer shell of the ablation mechanism. The water inlet pipe is provided with two inlets and are respectively in the sample box and the outer shell of the ablation mechanism. The outlet of the water inlet pipe is connected to the cooling water tank, and the circulating water pump is electrically connected to the control console.

[0046] By adopting the above technical solution, the cooling mechanism of the above design is easy to operate and has a simple structure. It can also provide recyclable cooling water for the sample box and the shell of the ablation mechanism in a cyclic manner, and the cooling effect is relatively good.

[0047] Optionally, the control console is provided with a touch control screen, a manual operation panel and an instrument panel.

[0048] By adopting the above technical solution, the human-computer interaction interface on the touch control screen not only makes it convenient for staff to obtain various required information, but also makes it convenient for staff to touch and operate. The manual operation panel makes it convenient for staff to turn on, off and adjust various electronic accessories, making the operation more convenient. The dashboard panel can be used to display real-time data of various instruments and instruments, making it convenient for staff to monitor the operating status of the entire system.

[0049] In summary, the present application includes at least one of the following beneficial technical effects:

[0050] 1. The staff can load the PLC control program in the control console to automatically control the gas supply mechanism to achieve the purpose of automatically controlling the oxygen flow rate and the acetylene flow rate, and can control the ignition mechanism to automatically start the ignition function, so that the oxygen and acetylene in the ablation mechanism burn to form a flame, and the size and temperature of the flame can be indirectly controlled by the oxygen flow rate and the acetylene flow rate. The automatic sample delivery mechanism can realize the function of quickly and automatically switching the sample to be ablated, without the need to manually change the sample. In general, this system is more automated, intelligent, and has higher work efficiency;

[0051] 2. The movable seat and the fixed assembly can be driven to slide along the second direction by rotating the adjusting screw rod, thereby adjusting the distance between the ablation mechanism and the ignition mechanism and the sample to be ablated, which has better adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0053] Figure 1 It is a schematic diagram of the structure of the automated ablation experiment system of an embodiment of the present application.

[0054] Figure 2 It is a structural schematic diagram of the gas supply mechanism in the embodiment of the present application.

[0055] Figure 3 It is a schematic diagram of the structure of the cooling mechanism in the embodiment of the present application.

[0056] Figure 4 It is a schematic diagram of the structure of each mechanism on the frame in the embodiment of the present application.

[0057] Figure 5 It is a structural schematic diagram of the automatic sample feeding mechanism in the embodiment of the present application.

[0058] Figure 6 It is a schematic diagram of the structure of the sample box in the embodiment of the present application.

[0059] Figure 7 It is a schematic diagram of the structure of the driving unit in the embodiment of the present application.

[0060] Figure 8 yes Figure 5 Enlarged view of point A in the middle.

[0061] Description of reference numerals:

[0062] 101, frame; 11, baffle;

[0063] 102. Control console; 21. Touch control screen; 22. Manual operation panel; 23. Instrument panel;

[0064] 103, mounting mechanism; 31, fixed seat; 32, sliding seat; 33, fixed assembly; 331, support block; 332, arc-shaped pressure strip; 34, adjusting screw rod; 341, screwing part;

[0065] 104. ablation mechanism; 41. ablation gun; 42. flame outlet;

[0066] 105. gas supply mechanism; 51. oxygen storage container; 52. acetylene storage container; 53. oxygen pipe; 54. acetylene pipe; 55. first gas controller; 56. second gas controller;

[0067] 106, automatic sample feeding mechanism; 61, moving seat; 61, hollow vertical beam; 62, horizontal plate; 63, connecting plate; 62, sample box; 621, ablation port; 622, cooling water inlet; 623, cooling water outlet; 63, locking part; 631, locking cylinder; 632, spring; 64, driving part; 641, fixing box; 642, driving screw; 643, sliding block; 644, servo motor; 645, limit block;

[0068] 107, ignition mechanism; 71, L-shaped connecting arm; 72, automatic igniter;

[0069] 108. Cooling mechanism; 81. Cooling water tank; 82. Circulating water pump; 83. Water inlet pipe; 84. Water outlet pipe. DETAILED DESCRIPTION

[0070] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0071] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0072] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0073] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0074] The following is combined with Figure 1-8 This application is described in further detail.

[0075] The present application embodiment discloses an automated ablation experiment system. Figure 1-Figure 3, the automated ablation experiment system includes:

[0076] Rack 101;

[0077] Control console 102;

[0078] A mounting mechanism 103, mounted on the frame 101;

[0079] The ablation mechanism 104 is mounted on the mounting mechanism 103. The side of the ablation mechanism 104 is provided with a flame outlet 42 (see Figure 4 ), a flame is ejected from the flame outlet 42 to ablate the sample to be ablated;

[0080] A gas supply mechanism 105 is installed on the frame 101 and is used to provide oxygen and acetylene to the ablation mechanism 104. The gas supply mechanism 105 is provided with a control component electrically connected to the control console 102. The oxygen flow / quality and the acetylene flow / quality are controlled by the control console 102.

[0081] The automatic sample delivery mechanism 106 is installed on the rack 101. The automatic sample delivery mechanism 106 is provided with a sample box 62 (see Figure 4 ), the automatic sample delivery mechanism 106 is used to intermittently deliver multiple samples to be ablated to the flame outlet 42, and the power part of the automatic sample delivery mechanism 106 is electrically connected to the control console 102;

[0082] An ignition mechanism 107 is mounted on the sample box 62. The ignition mechanism 107 is driven to move by the power part of the automatic sample feeding mechanism 106. The ignition mechanism 107 automatically ignites when it is close to the flame outlet 42. The ignition mechanism 107 is electrically connected to the control console 102; and,

[0083] The cooling mechanism 108 is installed on the frame 101, and cools down the outer shell of the ablation mechanism 104 and the sample box 62 through circulated cooling water.

[0084] The control console 102 is provided with a touch control screen 21, a manual operation panel 22 and a dashboard panel 23. The human-machine interaction interface on the touch control screen 21 is not only convenient for the staff to obtain various required information, but also convenient for the staff to touch and operate. The manual operation panel 22 is convenient for the staff to open, close and adjust various electronic accessories, making the operation more convenient. The dashboard panel 23 can be used to display the real-time data of various instruments and instruments, so that the staff can monitor the operating status of the entire system.

[0085] The touch control screen 21 adopts a friendly Chinese human-machine interface and has functions such as process flow, instrument values, trend curves, operation settings, personnel permissions, and PID control.

[0086] The gas supply mechanism 105 includes an oxygen storage container 51, an acetylene storage container 52, an oxygen pipe 53 and an acetylene pipe 54.

[0087] The oxygen storage container 51 and the ablation mechanism 104 are connected via an oxygen pipe 53, on which a first gas controller 55 is disposed, and the acetylene storage container 52 and the ablation mechanism 104 are connected via an acetylene pipe 54, on which a second gas controller 56 is disposed, and both the first gas controller 55 and the second gas controller 56 are electrically connected to the control console 102. The gas supply mechanism 105 designed as above has a simple structure, is easy to operate, and has relatively low manufacturing and maintenance costs.

[0088] In this embodiment, the first gas controller 55 and the second gas controller 56 are both gas flow controllers, which are used to control the size of oxygen flow and acetylene flow, respectively. In other embodiments, the first gas controller 55 and the second gas controller 56 can also be gas mass controllers, which are used to control the size of oxygen mass and acetylene mass, respectively, and the above mass is equal to weight.

[0089] The cooling mechanism 108 includes a cooling water tank 81, a circulating water pump 82, an inlet pipe 83 and an outlet pipe 84. The cooling water tank 81 and the circulating water pump 82 are both installed inside the frame 101. One end of the outlet pipe 84 is connected to the circulating water pump 82. The other end of the outlet pipe 84 is provided with two outlets and are respectively connected to the sample box 62 and the outer shell of the ablation mechanism 104. The inlet pipe 83 is provided with two inlets and are respectively in the sample box 62 and the outer shell of the ablation mechanism 104. The outlet of the inlet pipe 83 is connected to the cooling water tank 81. The circulating water pump 82 is electrically connected to the control console 102.

[0090] The cooling mechanism 108 designed as above is easy to operate and has a simple structure. It can also provide recyclable cooling water for the sample box 62 and the housing of the ablation mechanism 104 in a circulating manner, and has a better cooling effect.

[0091] Reference Figure 4 , the mounting mechanism 103 comprises:

[0092] A fixing base 31 is fixedly mounted on the frame 101;

[0093] The sliding seat 32 is slidably mounted on the fixed seat 31 along a second direction, and the second direction is perpendicular to the first direction;

[0094] A fixing assembly 33, fixedly mounted on the sliding seat 32, the fixing assembly 33 is used to fix the ablation mechanism 104; and,

[0095] The adjusting screw rod 34 is rotatably mounted on the fixing seat 31 . The adjusting screw rod 34 and the sliding seat 32 are assembled by threaded transmission. One end of the adjusting screw rod 34 extends out of the fixing seat 31 and is provided with a screwing portion 341 .

[0096] By adopting the above technical solution, the sliding seat 32 and the fixing assembly 33 can be driven to slide along the second direction by rotating the adjusting screw rod 34, so as to adjust the distance between the ablation mechanism 104 and the ignition mechanism 107 and the sample to be ablated, thereby achieving better adaptability.

[0097] The ablation mechanism 104 is an ablation gun 41, the outer shell of the ablation gun 41 is cylindrical, the fixing assembly 33 includes a support block 331 and a plurality of arc-shaped pressure strips 332 arranged at intervals, the support block 331 is provided with an arc groove, the arc-shaped pressure strip 332 and the support block 331 are detachably assembled by screws, and the outer shell of the ablation gun 41 passes through the arc groove and the arc-shaped pressure strip 332.

[0098] The ablation gun 41 can be fixed on the mounting mechanism 103 relatively stably, and the ablation gun 41 can also be disassembled for easy maintenance and replacement.

[0099] The ignition mechanism 107 includes an L-shaped connecting arm 71 and an automatic igniter 72 . One end of the L-shaped connecting arm 71 is fixed to the sample box 62 , and the automatic igniter 72 is installed at the other end of the L-shaped connecting arm 71 . The automatic igniter 72 is electrically connected to the control console 102 .

[0100] The L-shaped connecting arm 71 can keep the automatic igniter 72 away from the sample box 62. When the sample to be ablated in the sample box 62 is subjected to an ablation experiment, the automatic igniter 72 can be kept away from the flame area as much as possible, thereby effectively avoiding being burned and prolonging its service life.

[0101] The frame 101 is in the shape of a rectangular parallelepiped. The upper surface of the frame 101 is provided with a slide groove for sliding a part of the automatic sample feeding mechanism 106. The slide groove is sealed and shielded by a plurality of slidable and foldable baffles 11 to prevent ablation residues from falling into the interior of the frame 101. The part of the automatic sample feeding mechanism 106 passes through all the baffles 11.

[0102] Reference Figure 5 and Figure 6 The automatic sample delivery mechanism 106 further includes:

[0103] The side of the movable base 61 and the sample box 62 is provided with a plurality of ablation openings 621 arranged at intervals along a first direction;

[0104] A plurality of locking parts 63, the locking parts 63 are installed on the side of the sample box 62 away from the ablation port 621, the locking parts 63 and the ablation port 621 are arranged one by one, and the locking parts 63 are used to fix the sample to be ablated in the sample box 62; and,

[0105] The driving part 64 is connected to the moving base 61 and is used to drive the moving base 61 to move back and forth along a first direction.

[0106] After the experiment of one of the samples to be ablated is completed, when it is necessary to replace other samples to be ablated, it is only necessary to start the driving unit 64. The driving unit 64 will drive the movable seat 61 to move back and forth, and then drive the sample box 62 to move a certain distance, so that different ablation ports 621 and the samples to be ablated are aligned with the flame of the ablation gun 41. During a certain set of experiments, there is no need to frequently disassemble and install the samples to be ablated, which greatly improves work efficiency.

[0107] In this embodiment, the number of ablation ports 621 is 6. In other embodiments, the number of ablation ports 621 can also be two, three, five, eight, ten or even more. The multiple ablation ports 621 are arranged at equal intervals. The sample box 62 can be moved at equal intervals under the drive of the driving unit 64, which makes it convenient for the driving unit 64 to drive the sample box 62 to move a fixed distance, thereby achieving the purpose of accurately switching the sample to be ablated.

[0108] The movable seat 61 includes a hollow vertical beam 61 and a horizontal plate 62 . The horizontal plate 62 is vertically connected to the end of the hollow vertical beam 61 . The sample box 62 is installed on the horizontal plate 62 . The end of the hollow vertical beam 61 away from the horizontal plate 62 is connected to the driving part 64 .

[0109] The movable seat 61 designed as above has a simple and stable structure, good firmness, light weight, and can be easily driven to move.

[0110] The sample box 62 is provided with a cooling water inlet 622 and a cooling water outlet 623 connected to the internal space thereof. The cooling water inlet 622 and the cooling water outlet 623 are used to connect to the cooling mechanism 108 (see Figure 3 ), the external cooling water can be connected through the cooling water inlet 622 and the cooling water outlet 623, so as to cool the sample box 62 and extend the service life of the sample box 62.

[0111] Reference Figure 5 and Figure 7 , the driving unit 64 includes:

[0112] Fixed box 641;

[0113] A driving screw rod 642, the driving screw rod 642 is rotatably assembled in the fixing box 641, and the driving screw rod 642 is arranged along the first direction;

[0114] A sliding block 643, the sliding block 643 is slidably assembled in the fixed box 641, the sliding direction of the sliding block 643 is consistent with the first direction, the sliding block 643 and the driving screw 642 are threadedly assembled, and the sliding block 643 is connected to the moving seat 61; and,

[0115] The servo motor 644 is installed on the side of the fixed box 641 , and the output shaft of the servo motor 644 is connected to one end of the driving screw rod 642 .

[0116] When the servo motor 644 is started, its output shaft can drive the driving screw 642 to rotate, and then drive the sliding block 643 and the moving seat 61 to move together. The working time, rotation rate and rotation angle of the servo motor 644 can be controlled by the PLC control program, and then the sliding block 643 can be accurately driven to slide to the preset position, so as to achieve the purpose of accurately driving the sample box 62 to move intermittently and evenly spaced. The driving part 64 designed above has a simple structure, and is convenient to purchase, replace, maintain and operate, and has stable drive.

[0117] In other embodiments, the driving part 64 can also be other structural forms, for example: a gear rack transmission structure driven by a servo motor, a synchronous belt pulley transmission structure, a sprocket transmission structure, a gear transmission structure, etc., as long as it can achieve accurate intermittent driving of the sample box 62 to move and switch the delivery of the sample to be ablated.

[0118] A connecting plate 63 is provided at one end of the movable seat 61 away from the sample box 62, and the connecting plate 63 is connected to the sliding block 643. The connecting plate 63 and the sliding block 643 cooperate with each other to firmly connect the movable seat 61 and the driving part 64, and the operation is more stable.

[0119] The two ends of the side of the fixed box 641 close to the movable seat 61 are each provided with a limit block 645, which is used to abut against the connecting plate 63. The limit block 645 and the connecting plate 63 cooperate to have a good limit reminder effect to prevent the movable seat 61 from hitting the end of the fixed box 641 during movement.

[0120] Reference Figure 5 and Figure 8 The locking portion 63 includes:

[0121] A locking cylinder 631, which is detachably mounted on the sample box 62; and

[0122] Spring 632 , the spring 632 is installed in the locking cylinder 631 , and the spring 632 is used to press against the sample to be ablated in the sample box 62 .

[0123] The locking portion 63 designed as above has a simple structure and is easy to install. After the locking cylinder 631 is removed, different samples to be ablated can be replaced. Under the action of the elastic restoring force of the spring 632, the sample to be ablated can be pressed tightly into the sample box 62, which is conducive to the rapid installation and fixation of the sample to be ablated.

[0124] The experimental process of an automated ablation experimental system in the present application embodiment is as follows:

[0125] 1. Number the ablation sample and fill in the experimental record;

[0126] 2. Turn on the circulating water pump 82;

[0127] 3. Adjust the first gas controller 55 so that its operating pressure reaches 0.4Mpa;

[0128] 4. Adjust the second gas controller 56 so that its operating pressure reaches 0.095 MPa;

[0129] 5. Put six samples to be ablated into the sample box 62 and snap the locking part 63 on. The locking part 63 is provided with a sensor for real-time detection of heat flux density.

[0130] 6. Set “ablation time”, “oxygen flow rate”, “acetylene flow rate” and “oxygen acetylene mixing ratio” on the touch control screen 21. These four items are set to: 30 seconds, 1512 L / h, 1116 L / h and 1.35 respectively.

[0131] 7. Turn the "Manual / Stop / Auto" switch on the manual operation panel 22 to the "Auto" position and press the "Auto" button.

[0132] 8. The ablation gun 41 cooperates with the electronic igniter to automatically ignite according to the program and ablate the sample to be ablated.

[0133] 9. The ablation experiment will automatically stop after reaching the specified time, and the experimenter will record the relevant data.

[0134] 10. The experimenter presses the "send sample" button on the manual operation panel 22 to carry out the ablation experiment of the next sample to be ablated.

[0135] The beneficial technical effects of an automated ablation experiment system according to an embodiment of the present application are as follows:

[0136] The staff can load the PLC control program in the control console 102, and then automatically control the gas supply mechanism 105 to achieve the purpose of automatically controlling the oxygen flow rate and the acetylene flow rate, and can control the ignition mechanism 107 to automatically start the ignition function, so that the oxygen and acetylene in the ablation mechanism 104 burn to form a flame, and the size and temperature of the flame can be indirectly controlled by the oxygen flow rate and the acetylene flow rate. The automatic sample delivery mechanism 106 can realize the function of quickly and automatically switching the sample to be ablated, without the need to manually change the sample. In general, this system is more automated, intelligent, and has higher work efficiency.

[0137] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the application should be included in the protection scope of the present application.

Claims

1. An automated ablation experiment system, characterized in that: include: Rack(101); Control console (102); A mounting mechanism (103) mounted on the frame (101); An ablation mechanism (104) is mounted on the mounting mechanism (103), and a flame outlet (42) is provided on the side of the ablation mechanism (104). Flames are ejected from the flame outlet (42) to ablate the sample to be ablated; a gas supply mechanism (105) installed on the frame (101) and used to provide oxygen and acetylene to the ablation mechanism (104); the gas supply mechanism (105) is provided with a control component electrically connected to the control console (102); the oxygen flow rate / mass and the acetylene flow rate / mass are controlled by the control console (102); An automatic sample delivery mechanism (106) is installed on the frame (101), and a sample box (62) capable of loading a plurality of samples to be ablated is arranged on the automatic sample delivery mechanism (106). The automatic sample delivery mechanism (106) is used to intermittently deliver the plurality of samples to be ablated to the flame outlet (42), and a power part of the automatic sample delivery mechanism (106) is electrically connected to the control operation console (102); an ignition mechanism (107) mounted on the sample box (62), the ignition mechanism (107) being driven to move by the power part of the automatic sample feeding mechanism (106), the ignition mechanism (107) automatically ignites when approaching the flame outlet (42), and the ignition mechanism (107) being electrically connected to the control console (102); and, A cooling mechanism (108) is installed on the frame (101), and the cooling mechanism (108) cools down the outer shell of the ablation mechanism (104) and the sample box (62) through circulated cooling water.

2. The automated ablation experiment system according to claim 1, characterized in that: The gas supply mechanism (105) comprises an oxygen storage container (51), an acetylene storage container (52), an oxygen pipe (53) and an acetylene pipe (54). The oxygen storage container (51) and the ablation mechanism (104) are connected via the oxygen tube (53), and a first gas controller (55) is arranged on the oxygen tube (53); the acetylene storage container (52) and the ablation mechanism (104) are connected via the acetylene tube (54), and a second gas controller (56) is arranged on the acetylene tube (54); the first gas controller (55) and the second gas controller (56) are both electrically connected to the control console (102).

3. The automated ablation experiment system according to claim 1, characterized in that: The automatic sample delivery mechanism (106) further comprises: A movable seat (61), the sample box (62) being mounted on the movable seat (61), and a plurality of ablation openings (621) arranged at intervals along a first direction are provided on a side of the sample box (62); a plurality of locking parts (63), wherein the locking parts (63) are installed on the side of the sample box (62) away from the ablation port (621), the locking parts (63) and the ablation port (621) are arranged in a one-to-one correspondence, and the locking parts (63) are used to fix the sample to be ablated in the sample box (62); and, A driving part (64), wherein the driving part (64) is connected to the movable seat (61), and the driving part (64) is used to drive the movable seat (61) to move back and forth along the first direction.

4. The automated ablation experiment system according to claim 3, characterized in that: The driving unit (64) comprises: Fixed box (641); A driving screw rod (642), the driving screw rod (642) is rotatably mounted in the fixing box (641), and the driving screw rod (642) is arranged along the first direction; a sliding block (643), the sliding block (643) is slidably assembled in the fixed box (641), the sliding direction of the sliding block (643) is consistent with the first direction, the sliding block (643) and the driving screw rod (642) are threadedly assembled, and the sliding block (643) is connected to the moving seat (61); and, A servo motor (644), wherein the servo motor (644) is mounted on a side of the fixing box (641), an output shaft of the servo motor (644) is connected to one end of the driving screw rod (642), and the servo motor (644) is electrically connected to the control operation console (102).

5. The automated ablation experiment system according to claim 3, characterized in that: The locking portion (63) comprises: a locking cylinder (631), wherein the locking cylinder (631) is detachably mounted on the sample box (62); and A spring (632), wherein the spring (632) is installed in the locking cylinder (631), and the spring (632) is used to press against the sample to be ablated in the sample box (62).

6. The automated ablation experiment system according to claim 3, characterized in that: The mounting mechanism (103) comprises: A fixing seat (31) fixedly mounted on the frame (101); A sliding seat (32) is slidably mounted on the fixed seat (31) along a second direction, wherein the second direction is perpendicular to the first direction; a fixing assembly (33), fixedly mounted on the sliding seat (32), the fixing assembly (33) being used to fix the ablation mechanism (104); and An adjusting screw rod (34) is rotatably mounted on the fixing seat (31), the adjusting screw rod (34) and the sliding seat (32) are assembled by threaded transmission, and one end of the adjusting screw rod (34) extends out of the fixing seat (31) and is provided with a screwing portion (341).

7. The automated ablation experiment system according to claim 6, characterized in that: The ablation mechanism (104) is an ablation gun (41), the outer shell of the ablation gun (41) is cylindrical, the fixing assembly (33) comprises a support block (331) and a plurality of arc-shaped pressure strips (332) arranged at intervals, the support block (331) is provided with an arc groove, the arc-shaped pressure strips (332) and the support block (331) are detachably assembled, and the outer shell of the ablation gun (41) passes through the arc groove and the arc-shaped pressure strips (332).

8. The automated ablation experiment system according to claim 1, characterized in that: The ignition mechanism (107) includes an L-shaped connecting arm (71) and an automatic igniter (72), one end of the L-shaped connecting arm (71) is fixed on the sample box (62), the automatic igniter (72) is installed on the other end of the L-shaped connecting arm (71), and the automatic igniter (72) is electrically connected to the control console (102).

9. The automated ablation experiment system according to claim 1, characterized in that: The cooling mechanism (108) includes a cooling water tank (81), a circulating water pump (82), a water inlet pipe (83) and a water outlet pipe (84). The cooling water tank (81) and the circulating water pump (82) are both installed inside the frame (101). One end of the water outlet pipe (84) is connected to the circulating water pump (82). The other end of the water outlet pipe (84) is provided with two outlets and are respectively connected to the sample box (62) and the outer shell of the ablation mechanism (104). The water inlet pipe (83) is provided with two inlets and are respectively connected to the sample box (62) and the outer shell of the ablation mechanism (104). The outlet of the water inlet pipe (83) is connected to the cooling water tank (81). The circulating water pump (82) is electrically connected to the control console (102).

10. The automated ablation experiment system according to claim 1, characterized in that: The control console (102) is provided with a touch control screen (21), a manual operation panel (22) and an instrument panel (23).

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