CN214518299U

CN214518299U - Automatic alarm device for cross beam of laser cutting machine tool

Info

Publication number: CN214518299U
Application number: CN202120162453.XU
Authority: CN
Inventors: 布拉玛奇.马丁; 吴让大; 杨忠明; 李永军
Original assignee: Pentium Laser Technology Shandong Co ltd
Current assignee: Pentium Laser Technology Shandong Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-10-29
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses a laser cutting machine bed crossbeam automatic alarm device, its technical scheme main points are including the guide rail, crossbeam and workstation, still including automatic alarm device, automatic alarm device is including the casing, the trigger, alarm source and release button, the trigger is provided with trigger button inwards, the alarm source is located the casing outside, be provided with trigger block and extension spring in the casing, trigger block one end links to each other with extension spring, extension spring and shells inner wall fixed connection, trigger block scram at the crossbeam and trigger button contacts, release button and trigger electricity and be connected, the utility model discloses a mechanical structure's mode has solved the untimely technical problem of lathe operation abnormal feedback, provides a laser cutting machine bed crossbeam automatic alarm device that in time feeds back the lathe operation anomaly.

Description

Automatic alarm device for cross beam of laser cutting machine tool

Technical Field

The utility model relates to a laser beam machining equipment, more specifically say, it relates to a laser cutting machine crossbeam automatic alarm device.

Background

The laser cutting processing is to adopt laser equipment to process a product, perfect technical development and fine processing are realized, a high-power-density laser beam is utilized to irradiate a cut material, the material is heated to a vaporization temperature quickly, holes are formed by evaporation, and the holes continuously form slits with narrow width (such as about 0.1 mm) along with the movement of the material by the light beam, so that the material is cut.

At present, a large-format laser cutting machine worktable in a factory is not provided with an alarm device, so that when a machine tool is abnormal in the operation process, an operator cannot find the machine tool in time, subsequent operation is continued, the use burden is caused to the machine tool, and the service life of the machine tool is shortened.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a laser cutting machine bed crossbeam autoalarm that in time feedback lathe operation is unusual.

In order to achieve the above purpose, the utility model provides a following technical scheme: an automatic alarm device for a beam of a laser cutting machine tool comprises a guide rail, the beam and a workbench, wherein the workbench is positioned in the machine tool, the guide rail is arranged on two sides of the workbench along the length direction of the workbench, the beam is positioned above the workbench, two ends of the beam can slide along the guide rail in a reciprocating manner, the automatic alarm device also comprises an automatic alarm device, the automatic alarm device gives an alarm when the beam is in emergency stop, the automatic alarm device comprises a shell, a trigger, an alarm source and a release button, the shell is fixedly connected with the beam, the trigger is positioned at one end of the inner side of the shell, the trigger is inwardly provided with a trigger button, the alarm source is positioned outside the shell, a trigger block and an extension spring are arranged in the shell, one end of the trigger block faces the trigger, the other end of the trigger block is connected with the extension spring, one end of the extension spring far away from the trigger block is fixedly connected with the inner wall of the shell, the trigger block is in scram contact with the trigger button on the beam, the trigger continuously transmits the alarm signal to the alarm source once the trigger button is contacted, the release button is electrically connected with the trigger, and the trigger does not transmit the alarm signal to the alarm source until the trigger button is triggered again once the release button is contacted.

The utility model discloses further set up to: the alarm source is an audible alarm.

The utility model discloses further set up to: also comprises a control system and a detection device for detecting obstacles, the detection device is connected with the supporting slide block, the detection device comprises a base and a collision mechanism, wherein the base is positioned at the front side and the rear side of the support slide block, the base comprises a fixed section connected with the supporting slide block and a supporting section parallel to the guide rail, the supporting sections of the base at the two ends are respectively provided with a light curtain sensor and a receiving device for receiving light curtain signals which are oppositely arranged, the receiving device sends a signal indicating that an obstacle exists on the workbench to the control system, the control system controls the machine tool to stop running after receiving the signal indicating that the obstacle exists, the collision mechanism is rotationally connected with the supporting section, when the collision mechanism contacts with an obstacle on the guide rail, the collision mechanism rotates around the support section to a position between the light curtain sensor and the receiving device to block the transmission of the light curtain, and the control system controls the machine tool to stop running after receiving signals.

The utility model discloses further set up to: hinge connection between collision mechanism and the base, collision mechanism covers the light curtain sensor, is provided with the through-hole that supplies the light curtain sensor to detect on the collision mechanism of telling.

The utility model discloses further set up to: the shape and size of the through hole are the same as those of the light curtain sensor.

The utility model discloses further set up to: and a return spring is arranged between the base and the collision mechanism and used for returning the rotated collision mechanism.

The utility model discloses further set up to: the base is further provided with a limiting plate, and the limiting plate is used for abutting against the collision mechanism to keep the reset through hole aligned with the light curtain sensor.

The utility model discloses further set up to: still including adjustment mechanism, adjustment mechanism is used for adjusting detection device and supports the distance between the slider, adjustment mechanism is including coupling assembling, coupling assembling is including mounting and moving part, mounting one end with support slider fixed connection, other end cavity are provided with the sliding chamber that supplies the moving part to slide, the moving part can follow the reciprocal sliding of chamber jade and jade in sliding chamber, the one end and the detection device fixed connection of mounting are kept away from to the moving part, be provided with the lead screw motor in the sliding chamber, the lead screw motor is connected with the control system electricity, the lead screw motor is including the lead screw of reverse setting, lead screw and moving part threaded connection, and this lead screw motor drive moving part slides along the sliding chamber axial.

The utility model discloses further set up to: the device is characterized by further comprising a contact type speed sensor, the speed sensor is used for sensing the moving speed of the cross beam, the speed sensor is electrically connected with the screw rod motor, when the moving speed of the cross beam is increased, the screw rod motor drives the moving part to extend out, and when the moving speed of the cross beam is reduced, the screw rod motor drives the moving part to contract.

To sum up, the utility model discloses following beneficial effect has: through being provided with the casing with crossbeam fixed connection simultaneous movement, when the lathe normal operating, trigger block in the casing keeps the certain distance throughout with trigger button under extension spring's effect, when the crossbeam scram, trigger block in the casing drives extension spring tensile under the inertia effect, contact with trigger button simultaneously, extension spring resumes deformation to drive trigger block and resets afterwards, the alarm source sends out the police dispatch newspaper, the notice personnel exist danger, the alarm is timely effective, when personnel arrive to handle when unusual, the accessible is pressed and is relieved the button alright relieve the alarm, simultaneously so that next lathe triggers when unusual, the simple operation, but repetitious usage, therefore, the clothes hanger is strong in practicability.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the automatic alarm device of the present invention;

FIG. 3 is a schematic cross-sectional view of the detecting device of the present invention;

fig. 4 is a schematic sectional structure diagram of the adjusting mechanism of the present invention.

Reference numerals: 1. a guide rail; 2. a cross beam; 21. a support slide block; 3. a work table; 4. an automatic alarm device; 41. a housing; 411. a trigger block; 412. an extension spring; 42. a trigger; 421. a trigger button; 43. an audible alarm; 44. a release button; 5. a detection device; 51. a base; 511. a return spring; 512. a limiting plate; 52. a light curtain sensor; 53. a collision mechanism; 531. a through hole; 6. a fixing member; 61. a slide chamber; 7. a movable member; 8. a screw motor; 9. a speed sensor.

Detailed Description

As shown with reference to figures 1 to 4,

an automatic alarm device 4 of a beam 2 of a laser cutting machine tool comprises a guide rail 1, the beam 2 and a workbench 3, the workbench 3 is positioned in the machine tool, the guide rail 1 is arranged at two sides of the workbench 3 along the length direction of the workbench 3, the beam 2 is positioned above the workbench 3, two ends of the beam 2 can slide along the guide rail 1 in a reciprocating manner, the automatic alarm device 4 is also included, the automatic alarm device 4 gives an alarm when the beam 2 stops suddenly, the automatic alarm device 4 comprises a shell 41, a trigger 42, an alarm source and a release button 44, the shell 41 is fixedly connected with the beam 2, the trigger 42 is positioned at one end of the inner side of the shell 41, the trigger 42 is inwardly provided with a trigger button 421, the alarm source is positioned at the outer side of the shell 41, a trigger block 411 and an extension spring 412 are arranged in the shell 41, one end of the trigger block 411 faces the trigger 42, the other end is connected with the extension spring 412, one end of the extension spring 412 far away from the trigger block 411 is fixedly connected with the inner wall of the shell 41, the trigger block 411 is in contact with the trigger button 421 when the cross beam 2 is suddenly stopped, once the trigger button 421 is in contact, the trigger 42 continuously transmits the alarm signal to the alarm source, the release button 44 is electrically connected with the trigger 42, once the release button 44 is in contact, the trigger 42 does not transmit the alarm signal to the alarm source until the trigger button 421 is triggered again, through the housing 41 which is fixedly connected with the cross beam 2 and moves together, when the machine tool normally operates, the trigger block 411 in the housing 41 is always kept a certain distance from the trigger button 421 under the action of the extension spring 412, when the cross beam 2 is suddenly stopped, the trigger block 411 in the housing 41 drives the extension spring 412 to be extended under the action of inertia and is simultaneously in contact with the trigger button 421, then the extension spring 412 restores to drive the trigger block 411 to reset, the alarm source gives an alarm, informs personnel that the alarm is dangerous, the alarm is timely and effective, when the personnel catches up to process an exception, the alarm can be relieved by pressing the relief button 44, and meanwhile, the next time the machine tool is triggered abnormally, the operation is convenient, the machine tool can be used repeatedly, and the practicability is high.

The alarm source is an audio alarm 43, which is more noticeable and facilitates timely detection of security threats by personnel.

The detection device 5 is connected with the support sliding block 21, the detection device 5 comprises a base 51 and a collision mechanism 53, the base 51 is positioned at the front side and the rear side of the support sliding block 21, the base 51 comprises a fixed section connected with the support sliding block 21 and a support section parallel to the guide rail 1, the support sections of the base 51 at the two ends are respectively provided with a light curtain sensor 52 and a receiving device for receiving light curtain signals, the receiving device sends the signals of the existence of obstacles on the worktable 3 to the control system, the control system controls the machine tool to stop running after receiving the signals of the existence of obstacles, the collision mechanism 53 is rotatably connected with the support sections, when the collision mechanism 53 is in contact with the obstacles on the guide rail 1, the collision mechanism 53 rotates around the support sections to the position between the light curtain sensor 52 and the receiving device to block the transmission of the light curtain, control system controls lathe stop motion after receiving the signal, through being provided with detection device 5 that detects the barrier, light curtain sensor 52 detects someone on workstation 3 when the lathe moves, just conveys the signal to control system, controls the lathe stop motion, prevents that crossbeam 2 from colliding personnel, to the people that has certain distance from crossbeam 2 outside the light curtain detection range, the light curtain can not detect. The lathe can normal operating, can't be detected by light curtain sensor 52 when personnel stand on both sides guide rail 1, and the people who stands on guide rail 1 who installs the earlier collision of collision mechanism 53 in crossbeam 2 both sides collide slightly, and collision mechanism 53 just shelters from the light curtain, and crossbeam 2 stops, plays the protection to the people.

The collision mechanism 53 is connected with the base 51 through a hinge, the collision mechanism 53 covers the light curtain sensor 52, the collision mechanism 53 is provided with a through hole 531 for detecting the light curtain sensor 52, the collision mechanism 53 and the base 51 can flexibly rotate and simultaneously keep stability in a hinge connection mode, the collision mechanism 53 covers the light curtain sensor 52, only the through hole 531 is reserved for detecting the light curtain, and the detection accuracy is improved.

The shape and size of the through hole 531 are the same as those of the light curtain sensor 52, and the shape and size of the through hole 531 are further limited, so that the detection sensitivity of the light curtain sensor 52 is improved.

A return spring 511 is arranged between the base 51 and the collision mechanism 53, the return spring 511 is used for resetting the rotated collision mechanism 53, the return spring 511 is arranged for automatically resetting the collision mechanism 53, manual resetting at each time is not needed, and the use is more convenient.

Still be provided with limiting plate 512 on the base 51, limiting plate 512 is used for conflicting collision mechanism 53 and keeps the back through-hole 531 that resets and aligns with light curtain sensor 52, is provided with limiting plate 512 and prevents that collision mechanism 53 from outside turned angle when resetting too big, influences normal use, improvement stability.

The device also comprises an adjusting mechanism, the adjusting mechanism is used for adjusting the distance between the detection device 5 and the supporting slide block 21, the adjusting mechanism comprises a connecting component, the connecting component comprises a fixed piece 6 and a moving piece 7, one end of the fixed piece 6 is fixedly connected with the supporting slide block 21, the other end of the fixed piece 6 is hollow and provided with a sliding cavity 61 for the moving piece 7 to slide, the moving piece 7 can slide in the sliding cavity 61 in a reciprocating manner along the cavity wall, one end of the moving piece 7, far away from the fixed piece 6, is fixedly connected with the detection device 5, a screw rod motor 8 is arranged in the sliding cavity 61, the screw rod motor 8 is electrically connected with a control system, the screw rod motor 8 comprises a screw rod which is reversely arranged, the screw rod is in threaded connection with the moving piece 7, the screw rod motor 8 drives the moving piece 7 to slide along the axial direction of the sliding cavity 61, the adjusting mechanism is arranged, the moving piece 7 can be driven to slide along the sliding cavity 61 by controlling the screw rod motor 8, the distance between the detection device 5 and the supporting slide block 21 can be adjusted according to the specific moving speed of the cross beam 2, the phenomenon that the reaction cannot be carried out in time due to too high speed is avoided, and the safety is improved.

Still including the speed sensing 9 of contact, speed sensor is used for the displacement speed of response crossbeam 2, speed sensor 9 is connected with lead screw motor 8 electricity, when crossbeam 2 displacement speed increase, lead screw motor 8 drive moving part 7 stretches out, when crossbeam 2 displacement speed reduces, lead screw motor 8 drive moving part 7 shrink, be connected with lead screw motor 8 electricity through being provided with speed sensor 9, can make lead screw motor 8 according to the displacement speed automatically regulated detection device 5 of crossbeam 2 and the distance between the slider, the human cost of regulation is practiced thrift simultaneously in the operation intellectuality, security and availability factor are improved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a laser cutting machine crossbeam autoalarm, including guide rail (1), crossbeam (2) and workstation (3), guide rail (1) sets up in workstation (3) both sides along workstation (3) length direction, crossbeam (2) are located workstation (3) top, crossbeam (2) both ends are provided with supporting slide block (21), and this supporting slide block (21) can be followed guide rail (1) and reciprocated sliding, characterized by: the automatic alarm device (4) gives an alarm when the cross beam (2) suddenly stops, the automatic alarm device (4) comprises a shell (41), a trigger (42), an alarm source and a release button (44), the shell (41) is fixedly connected with the cross beam (2), the trigger (42) is positioned at one end of the inner side of the shell (41), the trigger (42) is inwardly provided with a trigger button (421), the alarm source is positioned at the outer side of the shell (41), a trigger block (411) and an extension spring (412) are arranged in the shell (41), one end of the trigger block (411) faces towards the trigger (42), the other end of the trigger block (411) is connected with the extension spring (412), one end of the extension spring (412) far away from the trigger block (411) is fixedly connected with the inner wall of the shell (41), and the trigger block (411) is in sudden stop contact with the trigger button (421) in the cross beam (2), the trigger (42) continuously transmits the alarm signal to the alarm source once the trigger button (421) is contacted, the release button (44) is electrically connected with the trigger (42), and the trigger (42) does not transmit the alarm signal to the alarm source until the trigger button (421) is triggered again once the release button (44) is contacted.

2. The automatic alarm device for the beam of the laser cutting machine as claimed in claim 1, wherein: the alarm source is an audible alarm (43).

3. The automatic alarm device for the beam of the laser cutting machine as claimed in claim 1, wherein: the device is characterized by further comprising a control system and a detection device (5) used for detecting obstacles, wherein the detection device (5) is connected with the supporting slide block (21), the detection device (5) comprises a base (51) and a collision mechanism (53), the base (51) is positioned on the front side and the rear side of the supporting slide block (21), the base (51) comprises a fixed section connected with the supporting slide block (21) and a supporting section parallel to the guide rail (1), light curtain sensors (52) arranged oppositely and a receiving device used for receiving light curtain signals are respectively arranged on the supporting sections of the base (51) at the two ends, the receiving device sends obstacle signals to the control system on the workbench (3), the control system controls the machine tool to stop running after receiving the obstacle signals, the collision mechanism (53) is rotatably connected with the supporting sections, when the collision mechanism (53) is in contact with the obstacles on the guide rail (1), the collision mechanism (53) rotates around the support section to a position between the light curtain sensor (52) and the receiving device, the transmission of the light curtain is blocked, and the control system controls the machine tool to stop running after receiving signals.

4. The automatic alarm device for the beam of the laser cutting machine as claimed in claim 3, wherein: hinge connection between collision mechanism (53) and base (51), collision mechanism (53) cover light curtain sensor (52), are provided with through-hole (531) that supply light curtain sensor (52) to detect on the collision mechanism (53) of telling.

5. The automatic alarm device for the beam of the laser cutting machine as claimed in claim 4, wherein: the shape and the size of the through hole (531) are the same as those of the light curtain sensor (52).

6. The automatic alarm device for the beam of the laser cutting machine as claimed in claim 4, wherein: a return spring (511) is arranged between the base (51) and the collision mechanism (53), and the return spring (511) is used for returning the rotated collision mechanism (53).

7. The automatic alarm device for the beam of the laser cutting machine as claimed in claim 4, wherein: the base (51) is further provided with a limiting plate (512), and the limiting plate (512) is used for abutting against the collision mechanism (53) to keep the reset through hole (531) aligned with the light curtain sensor (52).

8. The automatic alarm device for the beam of the laser cutting machine as claimed in claim 1, wherein: also comprises an adjusting mechanism which is used for adjusting the distance between the detecting device (5) and the supporting slide block (21), the adjusting mechanism comprises a connecting component, the connecting component comprises a fixed piece (6) and a movable piece (7), one end of the fixed piece (6) is fixedly connected with the supporting slide block (21), the other end is provided with a hollow sliding cavity (61) for the movable piece (7) to slide, the moving piece (7) can slide in the sliding cavity (61) along the cavity wall in a reciprocating manner, one end of the moving piece (7) far away from the fixed piece (6) is fixedly connected with the detection device (5), a screw rod motor (8) is arranged in the sliding cavity (61), the screw rod motor (8) is electrically connected with a control system, the screw rod motor (8) comprises a screw rod which is arranged in the reverse direction, the screw rod is in threaded connection with the movable piece (7), the screw motor (8) drives the movable piece (7) to axially slide along the sliding cavity (61).

9. The automatic alarm device for the beam of the laser cutting machine as claimed in claim 8, wherein: the device is characterized by further comprising a contact type speed sensor (9), wherein the speed sensor (9) is used for sensing the moving speed of the cross beam (2), the speed sensor (9) is electrically connected with the screw rod motor (8), when the moving speed of the cross beam (2) is increased, the screw rod motor (8) drives the moving part (7) to extend out, and when the moving speed of the cross beam (2) is reduced, the screw rod motor (8) drives the moving part (7) to contract.