CN217859431U

CN217859431U - Device of controllable formula laser cutting ice core of rotational speed angle

Info

Publication number: CN217859431U
Application number: CN202222316285.2U
Authority: CN
Inventors: 张楠; 王瑛雨; 宫达; 李冰; 范晓鹏; 王亮; 王婷; 魏贤哲; 吕欣雨
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-11-22
Anticipated expiration: 2032-08-31

Abstract

The utility model provides a controllable formula laser cutting ice core's of rotational speed angle device belongs to polar region engineering equipment field, including accuse temperature insulation can, laser instrument, leaded light arm, laser cutting head, guide rail, work platform, screw drive spare, screw rod, ice core motion control device and melt water diversion district, the screw rod has about two sets of, and both sides all have screw drive spare control, screw drive spare is turbine worm gear motor, and screw drive spare is connected through the shaft coupling with the screw rod, can drive screw rod control ice core motion control device and move left, right in step, also can move left, right of single control for more multi freedom of ice core motion control device, it is not restricted by ice core length ground. The advantages of the original laser cutting ice core are guaranteed, meanwhile, the real-time control over the rotating speed and the angle of the ice core can be achieved, and stability and precision in the ice core cutting process are guaranteed.

Description

Device of controllable formula laser cutting ice core of rotational speed angle

Technical Field

The utility model belongs to polar region engineering equips the field, especially relates to a device of controllable formula laser cutting ice core of rotational speed angle.

Background

The polar region ice core sample has high research value for obtaining the information of the ancient climate of the earth. The ice core is cut and analyzed after being drilled, and the ice core is very easy to break due to disturbance caused by the traditional mechanical cutting mode because the obtaining difficulty is high and the sample is precious, so that the inconvenience is brought to the analysis of the ice core. In this regard, laser cutting of ice cores has been introduced. The mode can effectively avoid the problems of ice sample breakage, pollution and the like caused by the traditional mechanical cutting. In the conventional laser cutting device, such as the "ice core rotating laser cutting device used in a low-temperature environment" disclosed in chinese patent document CN213764533U, although the problems of ice sample breakage, pollution and the like caused by the conventional mechanical cutting are avoided in the cutting process, the roller cannot always stably and effectively control the rotation speed and angle of the ice core due to the melting of the ice core, which causes great experimental errors.

SUMMERY OF THE UTILITY MODEL

The device for laser cutting the ice core with the controllable rotating speed and the angle not only maintains the advantages of the traditional device for laser cutting the ice core, but also can meet the requirements of real-time control of the rotating speed and the angle of the ice core, tissue discharge of the ice core, stable positioning of the light guide arm, more flexible and stable movement of the ice core and the like in the cutting process, and is suitable for being used in low-temperature environments such as polar regions, mountainous glaciers and the like.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a device for cutting ice cores by laser with controllable rotating speed and angle comprises a temperature control insulation box, a laser, a light guide arm, a laser cutting head, a guide rail and a working platform, wherein a vertical plate is arranged on one side of the top of the temperature control insulation box, and a temperature sensor and a heater are arranged inside the temperature control insulation box; the laser is arranged in the temperature control heat insulation box; the light guide arm is connected with the laser, and a light outlet of the light guide arm is over against a light inlet of the laser cutting head; the laser cutting head is arranged on the light guide arm; the guide rail is arranged on the vertical plate; the working platform is arranged at the top of the temperature control and insulation box; it is characterized by also comprising: the ice core movement control device comprises a screw driving piece, screws, an ice core movement control device and a water melting and guiding area, wherein the screw driving piece, the screws and the ice core movement control device are respectively two and correspond to one another; the two screws are coaxially arranged; each ice core motion control device comprises a sliding block, a motor, a toothed belt wheel, a transmission belt, a jaw controller and an ice core jaw, the sliding block is meshed with the guide rail, the sliding block is sleeved on the corresponding screw rod in a penetrating manner, and an internal thread in threaded connection with the screw rod is arranged on the inner wall of the sliding block; the motor is arranged at the bottom of the sliding block and is electrically connected with the main controller, the toothed belt wheel is arranged on an output shaft of the motor, and the toothed belt wheel is connected with a transmission gear arranged on the jaw controller through a transmission belt; the ice core clamping jaw is used as a clamping jaw finger of the clamping jaw cylinder, and the clamping jaw cylinder controls the opening and closing amplitude of the ice core clamping jaw through an internal pneumatic piston; the melted water diversion area is arranged on the working platform and is positioned in an area below the laser ice melting area, and the melted water diversion area has a diversion gradient of 2%.

Further, the laser is provided on the laser placement table.

Further, the light guide arm is erected on the working platform through a light guide arm support.

Further, the device of controllable formula laser cutting ice core of rotational speed angle, its characterized in that: the ice core lifting device is characterized by further comprising an ice core bracket for lifting the ice core, wherein the ice core bracket is arranged on the working platform.

Further, the device of controllable formula laser cutting ice core of rotational speed angle, its characterized in that: the device also comprises a melted water collecting system which is arranged at the flow guide outlet of the melted water flow guide area.

Furthermore, two the screw driving piece is fixed respectively in the outer end of two screws that set up with the axle center through two fixed ends.

Furthermore, a pressure sensor is arranged on the contact surface between the inside of the ice core clamping jaw and the ice core, and the pressure sensor is connected with the main controller.

Through the above design scheme, the utility model discloses following beneficial effect can be brought:

1. the advantages of the original laser cutting ice core are guaranteed, meanwhile, the real-time control over the rotating speed and the angle of the ice core can be achieved, and stability and precision in the ice core cutting process are guaranteed.

2. The utility model provides a device can realize the motion pattern of ice core radial rotation and two directions of axial displacement, when having overcome laser cutting ice core in the past, the ice core receives the roller bearing restriction, can only carry out the problem of rotatory cutting.

3. The utility model provides a device passes through the inside pressure sensor transmission signal of ice core jack catch, gets the dynamics according to the biggest clamp of the polar region ice core density restriction of the different degree of depth, can prevent effectively that the clamp from getting pressure and causing the broken loss of ice core too big.

4. The utility model provides a screw rod among the device has about two sets ofly, and both sides all have screw drive control, screw drive is turbine worm gear motor, and turbine worm gear motor is connected through the shaft coupling with the screw rod, can drive screw rod control ice core motion control device and move left, right in step, also can move left, right in single control one. The ice core movement control device has more freedom degrees, so that the ice core movement control device is not limited by the length of the ice core.

5. The utility model provides an ice core that melts in the water diversion district among the device can in time drain away on the work platform melts water, avoids producing adverse effect to the cutting process.

6. The utility model provides a leaded light arm support cooperation work platform among the device restricts the displacement of leaded light arm, has effectively avoided bumping because of the people is the mistake and lead to leaded to the deviation of leaded light arm to produce the error problem.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation to the invention as illustrated in the accompanying drawings in which:

fig. 1 is a schematic view of the overall structure of the device for laser cutting ice core with controllable rotation speed and angle according to the present invention;

fig. 2 is a schematic view of a partial structure of the device for laser cutting ice core with controllable rotation speed and angle according to the present invention;

fig. 3 is a light path diagram of a device for laser cutting ice core with controllable rotation speed and angle according to the present invention.

The respective symbols in the figure are as follows: 1-temperature control and heat preservation box; 2-a laser mounting table; 3-a laser; 4-a light guide arm; 5-laser cutting head; 6-screw drive; 7-fixing the end; 8-a guide rail; 9-screw rod; 10-ice core movement control means; 11-a melt water diversion area; 12-ice core holder; 13-a light guide arm support; 14-a coolant circulation tank; 15-coolant inlet pipe; 16-a cooling liquid return pipe; 17-a melt water collection system; 18-a working platform; 1001-slider; 1002-a motor; 1003-toothed belt wheel; 1004-a transmission belt; 1005-a jaw controller; 1006-ice core pawl.

Detailed Description

In order to explain the present invention more clearly, the present invention will be further described with reference to the preferred embodiments and the accompanying drawings. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs.

Well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the present invention.

As shown in fig. 1, a device for laser cutting of ice core with controllable rotation speed and angle comprises a temperature-controlled heat-preservation box 1, a laser installation table 2, a laser 3, a light guide arm 4, a laser cutting head 5, a screw driving piece 6, a fixed end 7, a guide rail 8, a screw 9, an ice core movement control device 10, a melt water guide area 11, an ice core bracket 12, a light guide arm bracket 13, a melt water collection system 17 and a working platform 18, wherein a temperature sensor and a heater are arranged in the temperature-controlled heat-preservation box 1 for temperature control and heat preservation, so that the laser 3 in the temperature-controlled heat-preservation box can work within a working temperature range; the laser 3 is arranged on the laser mounting table 2; the light guide arm 4 is connected with the laser 3 and is erected on the working platform 18 through the light guide arm support 13, the light guide arm 4 is used for guiding laser emitted by the laser 3 into the laser cutting head 5, and a light outlet of the light guide arm 4 is opposite to a light inlet of the laser cutting head 5; the laser cutting head 5 is mounted on a light guide arm 4.

The working process comprises the following steps: the laser 3 is used as a laser light source to emit laser, the laser is guided into the light guide arm 4, at least two laser reflectors are arranged in the light guide arm 4, the last laser reflector reflects the laser to the next laser reflector, and finally the laser is emitted into the laser cutting head 5, the laser is emitted to the ice core fixed by the ice core movement control device 10 and the ice core bracket 12 after being emitted by the laser cutting head 5, the ice core is driven by the ice core movement control device 10 to rotate and transversely cut, and in detail, the laser light path is represented by a in fig. 3.

As shown in fig. 2, the ice core motion control device 10 includes a slider 1001, a motor 1002, a toothed pulley 1003, a transmission belt 1004, a jaw controller 1005 and an ice core jaw 1006, the slider 1001 is mounted on the guide rail 8 and is engaged with the guide rail 8, the slider 1001 is sleeved on the corresponding screw 9, an internal thread in threaded connection with the screw 9 is provided on the inner wall of the slider 1001, and the slider 1001 is controlled to move transversely under the action of the screw driving member 6; the motor 1002 is arranged at the bottom of the sliding block 1001, and the toothed belt wheel 1003 is arranged on an output shaft of the motor 1002; the toothed belt wheel 1003 is connected with a transmission gear arranged on a jaw controller 1005 through a transmission belt 1004; the jaw controllers 1005 are arranged on the inner side of the sliding block 1001, a jaw cylinder is arranged in each jaw controller 1005 and connected with the ice core jaws 1006, the ice core jaws 1006 serve as jaw fingers of the jaw cylinders, and the jaw cylinders control the opening and closing amplitude of the ice core jaws 1006 through internal pneumatic pistons; the ice core clamping jaw 1006 is used for clamping an ice core to axially rotate or transversely move, after the ice core is radially rotated and cut, the screw driving piece 6 is used for driving the screw 9 to drive the sliding block 1001 to transversely move to axially cut the ice core, so that the problem that the molten water generated by laser ice melting cannot be timely discharged due to overlarge depth of the laser-cut ice core is solved, the laser ice melting effect is adversely affected, the energy loss is increased when the laser is continuously transmitted downwards, the cutting speed is greatly reduced, and when the axial cutting depth reaches the axis of the ice core, the motor 1002 drives the transmission gear through the transmission belt 1004 to control the clamping jaw controller 1005 and the ice core clamping jaw 1006 to rotate the ice core by 180 degrees, so that the axial cutting of the other half of the ice core is completed; a motor 1002 arranged at the bottom of the sliding block 1001 is electrically connected with a main controller and is used for adjusting the rotating speed and the rotating angle of the ice core clamping jaw 1006; the jaw controller 1005 is electrically connected with the main controller, a jaw cylinder is arranged in the jaw controller 1005, and the jaw cylinder is controlled by the main controller so as to control the movement of the ice core jaw 1006; the melt water diversion area 11 is arranged on the working platform 18, is positioned in the area below the laser ice melting area, is provided with 2% of diversion gradient and is used for guiding the melt water of the laser-cut ice core into the melt water collecting system 17 to be discharged, and the melt water diversion area 11 is subjected to roughening treatment so that the melt water is not easy to sputter after dripping. The ice core bracket 12 is arranged on the working platform 18 and used for lifting the ice core and preventing the ice core from being broken due to overlarge bending moment; the light guide arm bracket 13 is arranged on the working platform 18 and used for lifting and fixing the light guide arm 4; the melted water collecting system 17 is arranged at a flow guide outlet of the melted water flow guide area 11 on the working platform 18 and is used for discharging ice core melted water; the main controller is mounted on the work platform 18.

The device for laser cutting of the ice core with the controllable rotating speed and angle further comprises a cooling liquid circulation box 14, a cooling liquid inlet pipe 15 and a cooling liquid return pipe 16, wherein one end of the cooling liquid inlet pipe 15 is connected with the cooling liquid circulation box 14, and the other end of the cooling liquid inlet pipe 15 is connected with the laser 3; one end of a cooling liquid return pipe 16 is connected with the cooling liquid circulation box 14, and the other end is connected with the laser 3; the coolant circulation tank 14, the coolant inlet pipe 15, and the coolant return pipe 16 constitute a cooling circulation system for cooling the inside of the laser 3.

To sum up, the utility model provides a device of controllable formula laser cutting ice core of rotational speed angle, the laser that laser instrument 3 sent gets into laser cutting head 5 after 4 direction of leaded light arm, cuts the ice core by laser cutting head 5 transmission laser, is rotatory, lateral shifting through ice core motion control device 10 control ice core, accomplishes quick, the cutting of no disturbance circumference and axial. In order to ensure the precision and stability of the experiment, the device divides the screw rods 9 into a left group and a right group, so that the maneuverability of the two ice core motion control devices 10 is stronger; the working platform 18 is provided with a light guide arm bracket 13 to prevent the light guide arm 4 from being disturbed in the process of cutting the ice core by laser; the working platform 18 is provided with a 2% melted water diversion area 11 for discharging the ice core melted water in time after the cutting is finished. The ice core clamping jaw 1006 is internally provided with a pressure sensor, so that the damage of the ice core caused by overlarge pressure when the ice core is clamped is effectively avoided. The device controls the opening and closing amplitude of the ice core clamping jaw 1006 to clamp the ice core to rotate through the clamping jaw controller 1005, and can realize real-time control on the rotating speed and the angle of the ice core in the cutting process. Meanwhile, the movement modes of the ice core in two directions of radial rotation and axial movement can be realized, and the cutting in two directions can be completed. This part has effectively solved in the past when laser cutting ice core, and the ice core melts water and leads to the unmatched problem of ice core and roller bearing rotational speed, makes the experimental data more accurate. The utility model provides a device has solved that the incision is great among traditional mechanical type ice core cutting process, mechanical vibration, cutting speed slow and in the past the unstable phenomenon of laser cutting device ice core rotational speed and angle control.

Claims

1. A device for cutting ice cores by laser with controllable rotating speed and angle comprises a temperature control heat preservation box (1), a laser (3), a light guide arm (4), a laser cutting head (5), a guide rail (8) and a working platform (18), wherein a vertical plate is arranged on one side of the top of the temperature control heat preservation box (1), and a temperature sensor and a heater are arranged inside the temperature control heat preservation box (1); the laser (3) is arranged inside the temperature-controlled heat-preservation box (1); the light guide arm (4) is connected with the laser (3), and a light outlet of the light guide arm (4) is over against a light inlet of the laser cutting head (5); the laser cutting head (5) is arranged on the light guide arm (4); the guide rail (8) is arranged on the vertical plate; the working platform (18) is arranged at the top of the temperature-controlled heat-preservation box (1); it is characterized by also comprising: the ice core movement control device comprises a screw driving piece (6), screws (9), an ice core movement control device (10) and a water melting diversion area (11), wherein the number of the screw driving piece (6), the number of the screws (9) and the number of the ice core movement control device (10) are two and are in one-to-one correspondence, the screw driving piece (6) is a worm and gear reduction motor, the screw driving piece (6) is connected with the screws (9) through a coupler, meanwhile, the screw driving piece (6) is connected with a main controller, and the screw driving piece (6) is used for driving the screws (9) to rotate; the two screw rods (9) are coaxially arranged; each ice core motion control device (10) comprises a sliding block (1001), a motor (1002), a toothed belt wheel (1003), a transmission belt (1004), a jaw controller (1005) and an ice core jaw (1006), wherein the sliding block (1001) is meshed with the guide rail (8), the sliding block (1001) is sleeved on the corresponding screw rod (9) in a penetrating manner, and an internal thread in threaded connection with the screw rod (9) is arranged on the inner wall of the sliding block (1001); the motor (1002) is arranged at the bottom of the sliding block (1001), the motor (1002) is electrically connected with the main controller, the toothed belt wheel (1003) is arranged on an output shaft of the motor (1002), and the toothed belt wheel (1003) is connected with a transmission gear arranged on the jaw controller (1005) through a transmission belt (1004); the jaw controllers (1005) are arranged on the inner side of the sliding block (1001), the jaw controllers (1005) are electrically connected with the main controller, a jaw cylinder is arranged in each jaw controller (1005), and the jaw cylinder is connected with the ice core jaws (1006); the melt water diversion area (11) is arranged on the working platform (18) and is positioned in an area below the laser ice melting area, and the melt water diversion area (11) has a diversion gradient of 2%.

2. The device for laser cutting ice core with controllable rotating speed and angle according to claim 1, is characterized in that: the laser (3) is arranged on the laser installation platform (2).

3. The device for laser cutting ice core with controllable rotating speed and angle according to claim 1, is characterized in that: the light guide arm (4) is erected on the working platform (18) through a light guide arm support (13).

4. The device for laser cutting ice core with controllable rotating speed and angle according to claim 1, is characterized in that: the ice core lifting device further comprises an ice core bracket (12) used for lifting the ice core, wherein the ice core bracket (12) is arranged on the working platform (18).

5. The device for laser cutting ice core with controllable rotating speed and angle according to claim 1, is characterized in that: the device also comprises a melted water collecting system (17), wherein the melted water collecting system (17) is arranged at the diversion outlet of the melted water diversion area (11).

6. The device for laser cutting ice core with controllable rotating speed and angle according to claim 1, is characterized in that: the two screw driving pieces (6) are respectively fixed at the outer ends of the two screws (9) which are coaxially arranged through two fixing end heads (7).

7. The device for laser cutting ice core with controllable rotating speed and angle according to claim 1, is characterized in that: and a pressure sensor is arranged on the contact surface between the inside of the ice core clamping jaw (1006) and the ice core, and the pressure sensor is connected with the main controller.