CN111702355A

CN111702355A - Quick-cooling positioning clamp for laser marking machine

Info

Publication number: CN111702355A
Application number: CN202010593165.XA
Authority: CN
Inventors: 黄磊; 万亚山
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-26
Filing date: 2020-06-26
Publication date: 2020-09-25

Abstract

The invention discloses a quick-cooling positioning clamp for a laser marking machine, which comprises a machine base, wherein a positioning block is connected in the machine base, a containing groove is formed in the positioning block, four side walls of the containing groove are respectively and fixedly connected with telescopic rods, the top of each telescopic rod is fixedly connected with a spherical fixed block, the bottom of the containing groove is fixedly connected with a heat conducting layer, a pressing sheet is connected below the heat conducting layer, the pressing sheet is abutted against a piezoelectric ceramic plate, and the piezoelectric ceramic plate is electrically connected with a warning lamp. Has the advantages that: the preforming of memory metal material is crooked when the high temperature and is moved down, and under the spring action, piezoelectric ceramic plate receives the pressure effect, to ultrasonic atomization piece and warning light output current on the annular piece, judges the temperature state of object this moment through warning light luminance, and the ultrasonic atomization piece breaks the molecular bond in aquatic to liquid effect, forms water smoke, exports to the quick cold effect of processing object in generation through cooling channel, formation to the quick cold effect of processing object in generation.

Description

Quick-cooling positioning clamp for laser marking machine

Technical Field

The invention relates to the technical field of laser marking machines, in particular to a quick-cooling positioning clamp for a laser marking machine.

Background

Laser marking machines are used to permanently mark the surface of various materials with a laser beam. The marking effect is that deep layer materials are exposed through the evaporation of surface layer materials, so that exquisite patterns, trademarks and characters are marked, and the laser marking machine mainly comprises a CO2 laser marking machine, a semiconductor laser marking machine, an optical fiber laser marking machine and a YAG laser marking machine, and is mainly applied to occasions requiring more fineness and higher precision.

When the laser marking machine is used, particularly when a single object is machined, after a laser lamp works, due to the characteristics of laser, the temperature of the object to be machined is rapidly increased and is not easy to dissipate, so that the object is difficult to take out manually, long-time cooling time is needed, and the final packaging operation is not facilitated.

Disclosure of Invention

The invention aims to solve the problem that the temperature of an object to be processed is not easy to cool and the taking-out is influenced after a laser marking machine in the prior art is used, and provides a quick-cooling positioning clamp for the laser marking machine.

In order to achieve the purpose, the invention adopts the following technical scheme: a quick-cooling positioning clamp for a laser marking machine comprises a machine base, wherein a positioning block is connected in the machine base, a containing groove is formed in the positioning block, telescopic rods are fixedly connected to four side walls of the containing groove respectively, a spherical fixing block is fixedly connected to the top of each telescopic rod, a heat conducting layer is fixedly connected to the bottom of the containing groove, a pressing sheet is connected to the lower portion of the heat conducting layer, the pressing sheet is abutted against a piezoelectric ceramic plate, and the piezoelectric ceramic plate is electrically connected with a warning lamp;

the base is provided with a slide way, the bottom of the slide way is connected with an electromagnet, the positioning block is made of ferromagnetic materials, a water storage cavity is formed in the base, the side wall of the accommodating groove is provided with a plurality of cooling channels, the other ends of the cooling channels are communicated with the water storage cavity, an annular block is arranged in the water storage cavity, the inner ring part of the annular block is fixedly connected with an ultrasonic atomization sheet, and the top of the annular block is fixedly connected with a guide rod;

the guide arm runs through the inner wall of water storage chamber and locating piece, the one end and the piezoceramics board bottom fixed connection of guide arm in the locating piece, size of a dimension and annular piece matched with recess are seted up at water storage chamber top, a plurality of springs of recess top fixedly connected with, it is a plurality of the equal fixed connection of stiff end of spring is at the top of annular piece.

In above-mentioned laser marking machine is with quick cold locating clip, the water storage chamber is equipped with the water that highly does not exceed the recess bottom all the time and with external inlet tube intercommunication, the central part and the electro-magnet electricity of heat-conducting layer are connected, the ultrasonic atomization piece is connected with the piezoceramics board electricity, the fixed block adopts rubber materials.

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

1. before the positioning piece is used, the electromagnet is connected with the pressing piece through the heat conducting layer, so that the electromagnet is electrified and magnetized, the magnetization effect on the positioning block made of ferromagnetic materials is generated, the preheating effect is realized, and the external air recovers the heat generated by the positioning block due to the magnetization effect in a short time because the positioning block is positioned outside;

2. the processing-substituted object to be processed is fixed through the plurality of telescopic rods and the fixing blocks, wherein the spherical fixing blocks made of rubber materials cannot damage the side walls of the processing-substituted object, and meanwhile the plurality of telescopic rods can align the processing-substituted object with the center of the laser lamp under the action of pressure, so that laser dislocation is avoided;

3. when the laser lamp starts to heat, the temperature of the object to be machined rises under the working condition of the laser lamp, the heat transfer through the heat conduction layer is transferred to the pressing sheet, the pressing sheet is made of a memory metal material, the central part of the pressing sheet bends downwards when the pressing sheet is heated, on one hand, the central part of the pressing sheet is separated from the heat conduction layer, so that the electromagnet is powered off, and in the process of power failure and magnetism insulation of the electromagnet, the positioning block demagnetizes, so that heat is absorbed to the outside, the bottom temperature of the object to be machined is reduced;

4. when the pressing sheet moves downwards, under the action of a spring on the annular block, the piezoelectric ceramic plate is under the action of pressure, and can output current to the ultrasonic atomization sheet and the warning lamp on the annular block, so that the warning lamp is lightened on one hand, and the temperature state of an object to be processed can be judged by the lightening degree of the warning lamp because the current output by the piezoelectric ceramic plate is in direct proportion to the pressure;

5. meanwhile, the annular block moves downwards to the liquid level in the water storage cavity, the ultrasonic atomization piece acts on liquid, molecular bonds in water are broken through the ultrasonic vibration effect, water mist is formed and gathered in the water storage cavity and output to a substitute processing object through the cooling channel, the quick cooling effect on the surface of the substitute processing object is formed through the heat absorption effect of the water mist on the surface of the substitute processing object, meanwhile, due to the fact that the locating block absorbs heat when demagnetized, the temperature when the water mist is output is low, the cooling effect is increased, and after the water mist absorbs heat, the water mist is rapidly evaporated into water vapor, liquid residue on the surface of the substitute processing object cannot be generated, and the processing effect of the substitute processing object and the laser lamp are prevented from being polluted.

Drawings

Fig. 1 is a schematic structural view of a quick cooling positioning clamp for a laser marking machine according to the present invention;

fig. 2 is an enlarged schematic view of a portion a of a quick cooling positioning clamp for a laser marking machine according to the present invention.

In the figure: the device comprises a base 1, a telescopic rod 2, a positioning block 3, a holding tank 4, a heat conduction layer 5, a pressing sheet 6, a piezoelectric ceramic plate 7, a warning lamp 8, a groove 9, a fixing block 10, a water storage cavity 11, a cooling channel 12, an annular block 13, an ultrasonic atomization sheet 14, a guide rod 15, a spring 16 and an electromagnet 17.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-2, a quick cooling positioning clamp for a laser marking machine comprises a machine base 1, wherein a positioning block 3 is connected in the machine base 1, a containing groove 4 is formed in the positioning block 3, four side walls of the containing groove 4 are respectively and fixedly connected with telescopic rods 2, the top of each telescopic rod 2 is fixedly connected with a spherical fixed block 10, the center of an object to be processed is aligned with the center of the containing groove 4 through the fixed blocks 10, so that the laser lamp 2 is aligned, meanwhile, the spherical fixed blocks 10 are not easy to damage the surface of the object to be processed, a heat conduction layer 5 is fixedly connected to the bottom of the containing groove 4, a pressing sheet 6 is connected below the heat conduction layer 5, a piezoelectric ceramic plate 7 is abutted to the pressing sheet 6, and the;

the machine base 1 is fixedly connected with an electromagnet 17, the positioning block 3 is made of ferromagnetic materials, when the electromagnet 17 is electrified, the magnetizing effect and the fixing effect are generated on the positioning block 3, the isothermal heat transfer effect is achieved under the effect of the magnetocaloric effect and the natural cooling effect, the positioning block 3 is kept at normal temperature after magnetization, a water storage cavity 11 is formed in the machine base 1, a plurality of cooling channels 12 are formed in the side wall of the accommodating groove 4, the other ends of the cooling channels are communicated with the water storage cavity 11, an annular block 13 is arranged in the water storage cavity 11, an ultrasonic atomization sheet 14 is fixedly connected to the inner ring part of the annular block 13, a guide rod 15 is fixedly connected to the top of the annular block 13, the guide rod 15 penetrates through the inner walls of the water storage cavity 11 and the positioning block 3, one end of the guide rod 15 in the positioning block 3 is fixedly connected with the bottom of the piezoelectric, the top of the groove 9 is fixedly connected with a plurality of springs 16, and the fixed ends of the springs 16 are fixedly connected to the top of the annular block 13, so that when the pressing sheet 6 moves downwards, the whole body of the piezoelectric ceramic plate 7 and the guide rod 15 is pushed to generate acting force on the springs 16, and the piezoelectric ceramic plate 7 is subjected to reverse acting force to generate current.

The water storage cavity 11 is always filled with water with the height not exceeding the bottom of the groove 9 and is communicated with an external water inlet pipe, so that the external water inlet pipe always supplements the water in the water storage cavity 11, the central part of the heat conduction layer 5 is electrically connected with the electromagnet 17, after the center of the heat conduction layer 5 is separated from the pressing sheet 6, the electromagnet 17 is powered off, the ultrasonic atomization sheet 14 is electrically connected with the piezoelectric ceramic plate 7, and the fixing block 10 is made of rubber materials.

When the electromagnetic positioning device is used, the positioning block 3 is adsorbed in the accommodating groove 4 when the electromagnet is in a communicated state before use, the positioning block 3 is magnetized at the same time, the isothermal heat transfer effect is realized under the natural cooling condition, and at the moment, heat generated by magnetizing the positioning block 3 is taken away by the external environment within a certain time, so that the positioning block 3 is still kept at normal temperature;

when the laser lamp starts to work, the circuits in the telescopic rods 2 can be conducted, the telescopic rods 2 adopt a hydraulic rod structure, the telescopic rods can be extended to fix a processed object, the laser lamp 2 starts to work at the moment, the temperature of the object can be rapidly raised, the pressing sheet 6 made of a memory metal material is heated and bent at the moment, the pressing sheet is separated from being connected with the heat conducting layer, and the piezoelectric ceramic plate 7 is extruded, on one hand, the electromagnet 17 is powered off, so that the positioning block 3 is demagnetized and heat absorbed, on the other hand, the warning lamp 8 is lightened through the conducting circuit of the piezoelectric ceramic plate 7, the brightness is positively correlated with the pressed size of the piezoelectric ceramic plate 7, the heat transfer quantity of the bottom of the object is in direct proportion, and therefore, scalding is generated when a person takes out;

meanwhile, the preforming moves down and to make annular piece 13 dip in the aquatic of water storage chamber 11, discharge through piezoceramics board 7 makes ultrasonic atomization piece 14 break up the molecular bond in aquatic to spill over water smoke, simultaneously before wafting through cooling channel 12, make water smoke self temperature reduction under the heat absorption effect that the magnetism returns and produce, have great cooling zone after the output, and water smoke self will absorb heat and evaporate into vapor after cooling the processing object of generation, and can not produce the pollution to the object surface.

Although the terms of the base 1, the telescopic rod 2, the positioning block 3, the accommodating groove 4, the heat conducting layer 5, the pressing sheet 6, the piezoelectric ceramic plate 7, the warning light 8, the groove 9, the fixing block 10, the water storage cavity 11, the cooling channel 12, the annular block 13, the ultrasonic atomization sheet 14, the guide rod 15, the spring 16, the electromagnet 17, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A quick-cooling positioning clamp for a laser marking machine comprises a machine base (1) and is characterized in that a positioning block (3) is connected in the machine base (1), a containing groove (4) is formed in the positioning block (3), four side walls of the containing groove (4) are respectively and fixedly connected with telescopic rods (2), the top of each telescopic rod (2) is fixedly connected with a spherical fixed block (10), the bottom of the containing groove (4) is fixedly connected with a heat conducting layer (5), a pressing sheet (6) is connected below the heat conducting layer (5), the pressing sheet (6) abuts against a piezoelectric ceramic plate (7), and the piezoelectric ceramic plate (7) is electrically connected with a warning lamp (8);

the machine base (1) is fixedly connected with an electromagnet (17), the positioning block (3) is made of ferromagnetic materials, a water storage cavity (11) is formed in the machine base (1), the side wall of the accommodating groove (4) is provided with a plurality of cooling channels (12), the other ends of the cooling channels are communicated with the water storage cavity (11), an annular block (13) is arranged in the water storage cavity (11), the inner ring part of the annular block (13) is fixedly connected with an ultrasonic atomization sheet (14), and the top of the annular block (13) is fixedly connected with a guide rod (15);

guide arm (15) run through the inner wall in water storage chamber (11) and locating piece (3), guide arm (15) one end and piezoceramics board (7) bottom fixed connection in locating piece (3), size of a dimension and annular piece (13) matched with recess have been seted up at water storage chamber (11) top, a plurality of springs (16) of recess (9) top fixedly connected with, it is a plurality of the equal fixed connection of stiff end of spring (16) is at the top of annular piece (13).

2. The quick-cooling positioning clamp for the laser marking machine as claimed in claim 1, wherein the water storage cavity (11) is always filled with water with a height not exceeding the bottom of the groove (9) and is communicated with an external water inlet pipe, the central part of the heat conduction layer (5) is electrically connected with an electromagnet (17), the ultrasonic atomization sheet (14) is electrically connected with the piezoelectric ceramic plate (7), and the fixing block (10) is made of rubber materials.