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CN-121978658-A - Laser head quick-change safety mechanism with mechanical-inductive double interlocking

CN121978658ACN 121978658 ACN121978658 ACN 121978658ACN-121978658-A

Abstract

The invention discloses a laser head quick-change safety mechanism with mechanical-inductive double interlocking, which relates to the technical field of laser and comprises a laser output head, wherein one end of the laser output head is provided with a butt joint seat, the laser output direction is consistent with the axial direction of the butt joint seat, and a locking nut is rotatably arranged on the laser output head and is arranged close to one end of the butt joint seat. According to the invention, the main body light-passing hole piece is shielded and protected under the rotation action of the torsion spring, and the design of the structure can effectively prevent an operator from cutting off laser on the inner side of the butt joint main body when forgetting to interrupt laser output carelessly, so that the automatic protection of the operator, the laser equipment and the surrounding environment is realized, the safety precaution performance of the laser equipment during misoperation is improved, and the safety of laser operation is further improved.

Inventors

  • WEI SHUIYING
  • SHI JUN
  • ZHI XIAOHU
  • GU JUN
  • LI GANG

Assignees

  • 南京顺泰科技有限公司

Dates

Publication Date
20260505
Application Date
20251226

Claims (10)

  1. 1. The utility model provides a dual interlocking's of machinery-inductance laser head quick change safety mechanism, its characterized in that includes laser output head (1) for output laser, butt joint seat (3) are installed to the one end of laser output head (1), and laser output direction is unanimous with butt joint seat (3) axial direction, just install locking nut (2) on laser output head (1) rotation, and be close to the one end setting of butt joint seat (3), butt joint seat (3) and locking nut (2) screw thread installation still includes: The safety piece is used for protecting laser and comprises an abutment main body (4), wherein the abutment main body (4) is fixed on a laser output head (1) and is installed near one end of an abutment seat (3), a turning plate (5) is installed near one end of the abutment main body (4) near the abutment seat (3), the turning plate (5) is used for opening and blocking a path of the laser at the central axis of the abutment main body (4), an abutment guide head (8) is installed at one end of the abutment main body (4) far away from the laser output head (1), and the locking nut (2) is installed on the abutment main body (4) in a limiting mode and can rotate around the central axis of the abutment main body (4); The butt joint device comprises a butt joint body (4) and a butt joint seat (3), and is characterized by comprising a conical groove (31) arranged on the inner side of the butt joint seat (3), a positioning pin (32) and a proximity switch (34) which are installed on the butt joint seat (3) in a central symmetry thread mode, the positioning pin (32) and the proximity switch (34) are located on the same axis, the positioning pin and the proximity switch are exposed from the inner side of the butt joint seat (3), a ring baffle (33) is fixedly installed on the inner side of the butt joint seat (3), and the ring baffle is used for limiting when a butt joint guide head (8) is inserted into the inner side of the butt joint seat (3).
  2. 2. The laser head quick-change safety mechanism with mechanical-inductive double interlocking is characterized in that a main body light through hole (9) is formed in the middle of the inner side of the butt joint main body (4) in a penetrating mode along the axis direction of the butt joint main body, the butt joint main body (4) is opposite to the butt joint base (3) to ensure smooth light paths, a turning plate mounting groove (12) is formed in the surface of the butt joint main body (4) and close to one end of the butt joint base (3), the turning plate (5) is turned in the turning plate mounting groove (12) in a matched mode through a turning plate rotating shaft (6) and a torsion spring (7), a second conical surface (17) is arranged in the middle of the surface of the butt joint main body (4) and faces the direction of the laser output head (1), a matched conical surface is arranged at the contact position between the inner side of the locking nut (2) and the butt joint main body (4), and the butt joint main body (4) is matched and mounted in a matched mode through the second conical surface (17) and the matched conical surface.
  3. 3. The laser head quick-change safety mechanism with mechanical-inductive double interlocking according to claim 2, wherein the turning plate (5) is positioned inside the turning plate mounting groove (12) under the cooperation of the turning plate rotating shaft (6) and the torsion spring (7) and is in a state of being mutually perpendicular to the central axis of the butt joint main body (4), at the moment, the top of the turning plate stirring stress surface (16) is exposed from the turning plate mounting groove (12), and the circle diameter of the top of the turning plate stirring stress surface (16) is larger than the port inner diameter of the butt joint seat (3).
  4. 4. The laser head quick-change safety mechanism with mechanical-inductive double interlocking according to claim 3, wherein the butt joint main body (4) is provided with a turning plate rotating shaft (6) in a threaded manner, the whole turning plate (5) is formed by a turning plate stirring stress surface (16) and a turning plate second sealing surface (14) together, a turning plate rotating shaft hole (15) is formed in the middle of the turning plate stirring stress surface (16) in a penetrating manner in the direction perpendicular to the central axis of the butt joint main body (4), and a turning plate first sealing surface (13) is fixedly arranged in the middle of one surface of the turning plate second sealing surface (14) deviating from the butt joint guide head (8).
  5. 5. The laser head quick-change safety mechanism with mechanical-inductive double interlocking is characterized in that a middle groove is formed in the middle of the turning plate stirring stress surface (16) in a penetrating mode along the central axis direction of the butt joint main body (4), a torsion spring (7) is arranged in the middle groove of the turning plate stirring stress surface (16), the turning plate rotating shaft (6) penetrates and limits the torsion spring (7) in the middle groove of the turning plate stirring stress surface (16) through a turning plate rotating shaft hole (15), and after the turning plate rotating shaft (6) penetrates through one side of the butt joint main body (4), the turning plate rotating shaft hole (15) penetrates through the turning plate stirring stress surface (16) and the torsion spring (7) and is in threaded installation with the other side of the butt joint main body (4).
  6. 6. The laser head quick-change safety mechanism with mechanical-inductive double interlocking according to claim 5, wherein a first-stage sealing step (10) with the aperture larger than a main body light-passing hole (9) is arranged on the central axis of the inner side of the butt joint main body (4) and near one end of the butt joint main body (3), the first-stage sealing step is arranged on the inner side of the butt joint main body (4), and a second-stage sealing step (11) with the aperture larger than the first-stage sealing step (10) is further arranged on the basis of the first-stage sealing step (10) near one end of the butt joint main body (3).
  7. 7. The laser head quick-change safety mechanism with mechanical-inductive double interlocking is characterized in that a first turning plate sealing surface (13) on a turning plate (5) is used for being in embedded contact with a first-stage sealing step (10), a second turning plate sealing surface (14) on the turning plate (5) is used for being in embedded contact with a second-stage sealing step (11), a groove structure formed by a part, where the section of the second-stage sealing step (11) is overlapped with a turning plate mounting groove (12), is used for being in abutting contact with the second sealing surface (14), and in an initial state, the turning plate (5) enables the first turning plate sealing surface (13) on the second turning plate sealing surface (14) to be in abutting contact with the first-stage sealing step (10) on the inner side of the butt joint main body (4) under the torsion action of a torsion spring (7).
  8. 8. The laser head quick-change safety mechanism with mechanical-inductive double interlocking according to claim 7, wherein a group of screws (83) are installed on one end of the butt joint guide head (8) far away from the laser output head (1) in a central symmetry shape through threads, the butt joint guide head (8) is installed with the butt joint main body (4) through the screws (83) through bolts, a boss is arranged on one end of the butt joint main body (4) close to the butt joint guide head (8) in a protruding mode, through grooves are formed in the path, corresponding to the main body light through holes (9), of the central axis of the butt joint guide head (8), and the butt joint guide head (8) is installed in a jogged mode with the butt joint main body (4) through the cooperation of the boss and the through grooves.
  9. 9. The laser head quick-change safety mechanism with mechanical-inductive double interlocking according to claim 8, wherein a group of positioning grooves (81) are formed in the surface of the butt joint guide head (8) in a central symmetry mode, holes penetrated by the screws (83) and the butt joint guide head (8) are positioned in the same plane with the positioning grooves (81), a protruding tongue (82) is fixedly connected to the butt joint guide head (8) close to one end side of the butt joint main body (4), the protruding tongue (82) is arranged corresponding to the turning plate mounting groove (12), and the protruding tongue (82) is used for limiting the turning plate (5) in the turning plate mounting groove (12).
  10. 10. The laser head quick-change safety mechanism with mechanical-inductive double interlocking according to claim 9, wherein a first conical surface is arranged at one end of the butt joint guide head (8) far away from the locking nut (2), positioning grooves (81) are formed in the first conical surface of the butt joint guide head (8), the two positioning grooves (81) are respectively in one-to-one correspondence with the proximity switch (34) and the positioning pin (32), the butt joint guide head (8) is inserted into the butt joint seat (3) through the matching of the first conical surface and the conical groove (31), the positions of the positioning pin (32) and the proximity switch (34) exposed from the inner side of the butt joint seat (3) are respectively corresponding to the two positioning grooves (81), and the end of the butt joint seat (3) close to the butt joint main body (4) is provided with a notch in a central symmetry shape and the notch corresponds to the positioning groove (81).

Description

Laser head quick-change safety mechanism with mechanical-inductive double interlocking Technical Field The invention relates to the technical field of laser, in particular to a laser head quick-change safety mechanism with double interlocking of a mechanical and an inductance. Background Laser technology is increasingly widely applied in the fields of industrial processing, medical treatment, scientific research and the like, a laser output head is used as a core component, the rapid replacement requirement is urgent, and safety protection is a key core in the rapid replacement process. There are various laser head quick change structures in the current market, and the authority publication number CN206178225U records a multifunctional plug structure capable of being quickly changed, and the structure realizes the quick disassembly and assembly of the optical mirror through the magnet adsorption, so that the problem of inconvenient replacement of the traditional fixed structure is solved, and the multifunctional lens can be adapted to switch, but the multifunctional lens is lack of an effective safety interlocking design. The structure is not provided with sealing protection, an optical path channel is easy to be polluted by dust, the laser transmission stability is affected, no inductance detection feedback exists, the abutting state cannot be accurately confirmed, and the safety and stability requirements of high-precision laser operation are difficult to be met. In addition, the existing quick-change structure of most laser heads generally has the problems of single safety guarantee, insufficient sealing performance, high misoperation risk and the like, and is lack of a mechanical and inductive dual protection mechanism, so that safety accidents are extremely easy to cause when the laser head is plugged under the condition of not interrupting laser output. Therefore, a laser head quick-change safety mechanism with quick-change convenience, safety interlocking and sealing protection is needed to solve the defects in the prior art. Disclosure of Invention In order to solve the technical problems, the invention is realized by the following technical scheme that the laser head quick-change safety mechanism with double mechanical-inductance interlocking comprises a laser output head, wherein the laser output head is used for outputting laser, one end of the laser output head is provided with a butt joint seat, the butt joint seat is hollow, the laser output direction is consistent with the axial direction of the butt joint seat, the laser output head is rotatably provided with a locking nut, the locking nut is arranged near one end of the butt joint seat, the butt joint seat and the locking nut are in threaded installation, and the laser head comprises: The safety piece is used for protecting laser and comprises a butt joint main body, wherein the butt joint main body is fixed on a laser output head and is installed near one end of a butt joint seat, a turning plate is installed near one end of the butt joint main body near the butt joint seat and is used for opening and blocking a path of the laser at the central axis of the butt joint main body, a butt joint guide head is installed at one end of the butt joint main body far away from the laser output head and is used for limiting the turning plate on the butt joint main body, the locking nut is installed on the butt joint main body in a limiting mode, the locking nut does not move in the axial direction of the butt joint main body, and the locking nut can rotate circumferentially around the central axis of the butt joint main body; The butt joint device comprises a butt joint body, a butt joint seat, a butt joint plug-in unit, a butt joint guide head, a butt joint plug-in unit and a ring baffle, wherein the butt joint plug-in unit is used for locking the butt joint body and the butt joint seat, guaranteeing laser transmission, the butt joint plug-in unit comprises a conical groove arranged on the inner side of the butt joint seat, a locating pin and a proximity switch which are installed on the butt joint seat in a central symmetry thread mode, the locating pin and the proximity switch are located on the same axis, the locating pin and the proximity switch are exposed from the inner side of the butt joint seat, and the inner side of the butt joint seat is fixedly provided with the ring baffle for limiting when the butt joint guide head is inserted into the inner side of the butt joint seat. Preferably, one end of the butt joint guiding head far away from the locking nut is provided with a first conical surface, the positioning grooves are formed in the first conical surface of the butt joint guiding head and correspond to the proximity switches and the positioning pins one by one, the butt joint guiding head is inserted into the butt joint seat through the matching of the first conical surface and the conical grooves, the butt joint guiding head is complete