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CN-122007650-A - Auto-parts laser cutting equipment with cooling function

CN122007650ACN 122007650 ACN122007650 ACN 122007650ACN-122007650-A

Abstract

The invention discloses an automobile accessory laser cutting device with a cooling function, which is applied to the cutting field, wherein an annular groove is formed in a focusing mirror and a protective mirror, a second mirror seat and a third mirror seat with an annular cavity are matched, so that cooling liquid is directly contacted with the inner wall of the edge of a lens, a traditional mode of arranging a cooling channel in the mirror seat is replaced, heat accumulated by the lens is directly exchanged with the cooling liquid, the heat dissipation efficiency is greatly improved, meanwhile, the tightness of the joint of the lens and the mirror seat is enhanced by virtue of an upper silica gel pad and a lower silica gel pad, the risk of liquid leakage is effectively reduced, in addition, the maintainability of a laser head is improved by virtue of a detachable structure formed by a positioning pipe, an insertion pipe and a screw cap, and in addition, the cooling effect of the protective mirror is further optimized by virtue of an air cooling mechanism formed by a rotating cylinder and a spherical nozzle, slag dust on the lower end face of the protective mirror is cleaned by utilizing high-pressure air flow, the local temperature rise caused by dust heat absorption is reduced, and the integral cooling performance is enhanced.

Inventors

  • XIA XIAOZHONG

Assignees

  • 杭州领创模具科技有限公司

Dates

Publication Date
20260512
Application Date
20260204

Claims (9)

  1. 1. The automobile accessory laser cutting equipment with the cooling function is characterized by comprising a shell (1), wherein a collimating mirror (3), a focusing mirror (5) and a protecting mirror (7) which are sequentially distributed from top to bottom are arranged in the shell (1), a first mirror seat (4) is fixedly connected to the side end of the collimating mirror (3), the first mirror seat (4) is in threaded connection with the shell (1), the focusing mirror (5) is fixedly connected with the inner wall of the shell (1) through a second mirror seat (6), the protecting mirror (7) is fixedly connected with the inner wall of the shell (1) through a third mirror seat (8), the second mirror seat (6) and the third mirror seat (8) are identical in structure, the second mirror seat (6) comprises a mounting ring (11), an end cover (12) is connected to the upper end of the mounting ring (11) through bolts, an upper silica gel pad (13) and a lower silica gel pad (14) which are symmetrically distributed from top to bottom are fixedly connected to the inner wall of the annular cavity, the focusing mirror (5) is positioned between the upper silica gel pad (13) and the lower silica gel pad (14) and is fixedly connected with the annular groove (501), and the periphery of the annular groove (501) is formed, and the annular groove (501) is fixedly connected with the outer side wall of the silica gel; The utility model discloses a liquid cooling mechanism, including collar (11), casing (1), holding ring (11) side inside threaded connection has a pair of locating tube (15) that extend to the casing (1) outside, the inner and the annular chamber intercommunication of a pair of locating tube (15), the intubate (16) have been pegged graft to locating tube (15) outer end, intubate (16) outer end is compressed tightly fixedly by screw cap (17), screw cap (17) and locating tube (15) threaded connection, fixed intercommunication has feed liquor pipe (18) between a pair of intubate (16) that are located same one side, fixed intercommunication has fluid-discharge tube (19) between a pair of intubate (16) of opposite side, feed liquor pipe (18) and fluid-discharge tube (19) all communicate with external cooling liquid circulation mechanism.
  2. 2. The automobile part laser cutting device with the cooling function according to claim 1, wherein an optical fiber connector (2) is fixedly connected to the upper end of the first lens seat (4), a nozzle (9) is fixedly connected to the lower end of the housing (1), an air hole is formed in the center of the nozzle (9), and a through hole communicated with the air hole is formed in the lower end of the housing (1).
  3. 3. The automotive part laser cutting device with the cooling function according to claim 1, wherein the shell (1) is of a cylindrical structure, the mounting ring (11) and the end cover (12) are of annular structures, the upper silica gel pad (13) and the lower silica gel pad (14) are annular sealing rings, and the cross sections of the upper silica gel pad and the lower silica gel pad are L-shaped.
  4. 4. The automobile fitting laser cutting device with the cooling function according to claim 1, wherein external threads are arranged on the outer wall of the inner end of the positioning tube (15), a threaded cavity matched with the positioning tube (15) is formed in the side wall of the mounting ring (11), the threaded cavity is communicated with the annular cavity, an internal thread groove matched with the external threads is formed in the inner wall of the threaded cavity, and a positioning hole for the positioning tube (15) to movably penetrate is formed in the outer wall of the shell (1).
  5. 5. The automotive part laser cutting device with the cooling function according to claim 4, wherein a splitter plate (1501) is fixedly connected to an inner end opening of the positioning tube (15), and the splitter plate (1501) divides an inner end outlet of the positioning tube (15) into two parts.
  6. 6. The automobile accessory laser cutting equipment with the cooling function according to claim 1, wherein a conical barrel (20) is fixedly connected between the protective glass (7) and the bottom wall of the shell (1), an annular cavity is formed by encircling between the outer wall of the conical barrel (20) and the inner wall of the shell (1), an air inlet pipe (10) is fixedly connected to the outer wall of the shell (1), the inner end of the air inlet pipe (10) is communicated with the annular cavity, the outer end of the air inlet pipe (10) is communicated with an external high-pressure gas supply mechanism, the lower end of the conical barrel (20) is communicated with a nozzle (9), a rotating barrel (21) is arranged in the middle of the conical barrel (20), a plurality of spherical spray heads (22) are arranged on the rotating barrel (21), spray holes (2201) are formed in the spherical spray heads (22), the inner holes of the spray holes (2201) face the lower end face of the protective glass (7), and the outer holes of the spray holes (2201) are communicated with the annular cavity.
  7. 7. The automobile part laser cutting device with the cooling function according to claim 6, wherein the outer end of the rotating cylinder (21) is fixedly connected with a toothed ring (26), the toothed ring (26) is meshed with a driving gear (28), the driving gear (28) is fixedly connected with an output shaft of a motor (29), a shell of the motor (29) is fixedly connected with the outer wall of the shell (1), the spherical spray head (22) is rotatably connected with the rotating cylinder (21), a connecting rod (23) is hinged to the outer part of the spherical spray head (22) located on the rotating cylinder (21), a sliding frame (24) is hinged to the outer end of the connecting rod (23), a groove disc (25) is slidably connected to the outer end of the groove disc (25) and is fixedly connected with the inner wall of the shell (1), annular wave grooves (2501) are formed in the upper end face and the lower end face of the groove disc (25), a pair of vertically symmetrical sliding columns (2401) are fixedly connected to the inner walls of the sliding columns (2401) of the annular wave grooves (2501).
  8. 8. The automotive part laser cutting device with the cooling function according to claim 6, wherein the front end and the rear end of the spherical spray head (22) are fixedly connected with rotating shafts (2202), the rotating shafts (2202) are inserted into the rotating cylinder (21) and are rotatably connected with the rotating cylinder, the lower end of the toothed ring (26) is rotatably connected with guide rails (27), and the guide rails (27) are fixedly connected with the bottom wall of the shell (1).
  9. 9. The automobile part laser cutting device with the cooling function according to claim 6, wherein an annular protrusion (901) is arranged at a position, close to the edge, of the outer end of the nozzle (9), the annular protrusion (901) and the nozzle (9) are integrally formed, an annular cavity is formed between the annular protrusion (901) and the nozzle, a branch pipe (30) is fixedly connected to the outer wall of the annular protrusion (901), the lower end of the branch pipe (30) is tangentially communicated with the annular cavity, the upper end of the branch pipe (30) is communicated with the air inlet pipe (10), and an electromagnetic flow valve (31) is fixedly connected to the branch pipe (30).

Description

Auto-parts laser cutting equipment with cooling function Technical Field The invention relates to the field of cutting, in particular to an automobile part laser cutting device with a cooling function. Background In the processing of automobile parts, a laser cutting device is used as core equipment for manufacturing key parts such as a vehicle body structural part, an air bag component and the like by virtue of the advantages of high precision and high efficiency, and the laser cutting device realizes the rapid cutting of metal materials by high-energy laser beams, so that the severe requirements of the automobile industry on light weight and complex shapes are met, however, a large amount of heat is generated when a laser head works, a main heating source is from a collecting lens and a protecting lens, the local temperature of the collecting lens is rapidly increased due to the aggregation of a light source, and the temperature of the protecting lens is increased due to the radiation heat generated by the melting of solder, and the heat possibly causes the thermal deformation of materials or the overheat of equipment elements, so that the cutting quality and the service life of the equipment are influenced. The patent of the prior publication number CN117773365B discloses a laser cutting head and a cooling device thereof, by arranging an annular hollow liquid box, an annular partition plate, a pressure regulating assembly, a driving assembly and a transmission assembly, under the driving effect of the driving assembly and the transmission assembly, the partition plate is used for isolating the liquid box into a plurality of chambers along the vertical direction, so that cooling liquid downwards flows step by step, the temperature of the cooling liquid is always lower than that of the laser cutting head, the cooling effect and the cooling refinement degree are improved, the whole cutting head is maintained in a safe temperature range, and the phenomenon that the cooling head is high Wen Shousun due to the surface is avoided. The patent of the prior publication number CN113118621B discloses a cooling cutting head for laser cutting, through setting up supporting part, connecting portion, lens cone portion and back taper portion, connecting portion links up supporting part and below lens cone portion, and back taper portion dress cutting nozzle, lens cone portion wrap sensor, and the built-in water cooling mechanism and the forced air cooling mechanism of wrap sensor of lens cone portion make the two collaborative work, realize avoiding the great restriction of water cooling mechanism inner wall thickness to laser cutting head cooling effect, ensure simultaneously that each part adaptation of cutting head is installed, satisfy laser cutting's structure and cooling demand. The above-mentioned prior art discloses utilizing drive assembly and baffle to make the coolant liquid flow step by step, realizes the refrigerated technical scheme of refining, still discloses utilizing the water-cooling mechanism of wrapping the sensor and forced air cooling mechanism synergism, realizes high-efficient refrigerated technical scheme, however prior art still exists not enough, and the cooling structure of current laser head mainly adopts and sets up cooling structure in laser head casing outside or inboard, and the coolant liquid mainly contacts with the casing of laser head, and the heating source of laser head mainly is focusing mirror and guard glass, and refrigerated pertinence is not strong, and the cooling effect is not high. Disclosure of Invention The invention aims at solving the problem of low cooling efficiency caused by insufficient cooling pertinence in the prior art by the lens with the annular groove and the lens seat with the annular cavity, and simultaneously, further improves the cooling effect and reduces the problem of local overheating caused by slag accumulation by the spherical spray head arranged below the protective lens. In order to solve the problems, the invention adopts the following technical scheme. The utility model provides an auto-parts laser cutting equipment with cooling function, which comprises a housin, be equipped with the collimating mirror that distributes from top to bottom in proper order in the casing, focusing mirror and protection mirror, collimating mirror side fixedly connected with mirror seat one, mirror seat one and casing threaded connection, focusing mirror passes through mirror seat two and shells inner wall fixed connection, protection mirror passes through mirror seat three and shells inner wall fixed connection, mirror seat two and mirror seat three structure are the same, mirror seat two includes the collar, the collar upper end passes through bolted connection has the end cover, collar and end cover enclose and close and form the annular chamber, annular chamber inner wall fixedly connected with upper silica gel pad and lower silica gel pad that upper and lower sym