CN213135498U - Laser head removes stop device - Google Patents

Abstract

The utility model belongs to the technical field of the laser equipment technique and specifically relates to indicate a laser head removes stop device, it includes that crossbeam, slip set up the sliding seat on the crossbeam, set up the laser head on the sliding seat and be used for carrying out spacing stop device to the removal original point of sliding seat, stop device includes that the switch of being connected with the sliding seat touches the piece and sets up the micro-gap switch on the crossbeam, micro-gap switch is located the switch and touches one side that the sliding seat was kept away from to the piece. The utility model discloses a structural design is simple compact, and it is through touching micro-gap switch and switch touch piece parallel arrangement, avoids laser head and micro-gap switch's frontal collision to solve laser head and micro-gap switch and be hit bad problem, also avoid the shell fragment to be excessively compressed and the problem that leads to elastic failure to take place moreover, improved the life of shell fragment.

Description

Laser head removes stop device

Technical Field

The utility model belongs to the technical field of the laser equipment technique and specifically relates to indicate a laser head removes stop device.

Background

In the existing laser equipment, a laser head moves on a cross beam and a vertical beam on the laser equipment, so that the laser head can process the surface of a workpiece. Before processing new work piece each time, all must return to zero the setting to the initial position of laser head, in this operation, current mode all is that one end on the crossbeam directly sets up micro-gap switch, and the laser head moves on the crossbeam and openly contacts the shell fragment on the micro-gap switch and compresses the shell fragment to drive the shell fragment and move backward and trigger micro-gap switch's contact, the position of laser head is its initial position this moment. However, this method has the following drawbacks: the laser head is touched with the microswitch on the front side (namely the pressed direction of the elastic sheet is parallel to the moving direction of the laser head), and due to the motion inertia of the laser head, after the contact of the microswitch is triggered, the laser head cannot stop immediately, so that the elastic sheet is further compressed backwards, but generates large elastic deformation, and the elastic sheet of the microswitch is gradually bent after long-term use, so that the elastic sheet loses elasticity; in addition, the laser head and the micro switch are arranged in the front, and if an accident happens, the laser head can even crush the elastic sheet and impact the micro switch.

Disclosure of Invention

An object of the utility model is to provide a simple structure is compact to prior art's not enough, and long service life can make the laser head not adopt the mode of frontal collision with micro-gap switch alright carry out spacing laser head to the laser head and remove stop device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a laser head movement limiting device, which comprises a cross beam, a sliding seat arranged on the cross beam in a sliding manner, a laser head arranged on the sliding seat and a limiting device used for limiting the movement original point of the sliding seat, wherein the limiting device comprises a switch touch block connected with the sliding seat and a micro switch arranged on the cross beam, and the micro switch is positioned on one side of the switch touch block away from the sliding seat; the microswitch comprises a switch body, a contact arranged on one side of the switch body close to the switch touch block and an elastic sheet arranged on the switch body and covering the outer side of the contact, wherein one end of the elastic sheet is connected with the switch body, and the free end of the elastic sheet extends in an inclined manner towards the direction far away from the switch body; the free end of the elastic sheet is rotatably provided with a touch pulley; the switch touch block comprises a connecting part and a touch part, one end of the connecting part is connected with the sliding seat, the other end of the connecting part is connected with the touch part, the connecting part and the touch part are arranged in a crossed manner, and the touch part and the moving direction of the sliding seat are arranged in parallel; arc surfaces are arranged at two ends of the touch part, and the part of the touch part between the two arc surfaces is a linear surface; the compression direction of the elastic sheet is vertical to the moving direction of the switch touch block.

The beam is provided with a sliding rail along the length direction, and the sliding seat is rotatably provided with a sliding wheel in sliding fit with the sliding rail.

Furthermore, the cross section of the sliding track is semicircular, and a sliding track groove matched with the sliding track in shape is concavely arranged on the circumferential direction of the sliding wheel.

Further, the upper side and the lower side of the sliding rail are provided with the sliding rail, and the top and the bottom of the sliding seat are provided with a plurality of sliding wheels in sliding fit with the sliding rail in a rotating mode.

The utility model has the advantages that:

the utility model provides a laser head movement limiting device, which avoids the front collision of the laser head and the micro switch by arranging the micro switch and the switch touch block in parallel, thereby solving the problem that the laser head and the micro switch are damaged by collision, avoiding the problem that the elastic sheet is excessively compressed to cause elastic failure, and prolonging the service life of the elastic sheet; and through the cooperation of switch touch piece and touching pulley in order compressing the shell fragment, can cushion and eliminate the impulsive force to laser head and micro-gap switch from this to protect the laser head effectively, reduce the harm to the laser head, guarantee the job stabilization nature, the machining precision and the improvement life of laser head.

Drawings

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

fig. 2 is a top view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Description of the reference numerals

1. A cross beam; 2. a sliding seat; 3. a laser head; 4. a microswitch; 5. a switch actuation block; 11. a sliding track; 21. a sliding wheel; 211. a slide rail groove; 41. a switch body; 42. a contact; 43. a spring plate; 44. touching the pulley; 51. a connecting portion; 52. a touch portion.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, the laser head movement limiting device provided by the present invention comprises a cross beam 1, a sliding seat 2 slidably disposed on the cross beam 1, a laser head 3 disposed on the sliding seat 2, and a limiting device for limiting the movement origin of the sliding seat 2, wherein the limiting device comprises a switch contact block 5 connected to the sliding seat 2 and a micro switch 4 disposed on the cross beam 1, and the micro switch 4 is located on one side of the switch contact block 5 away from the sliding seat 2; the microswitch 4 comprises a switch body 41, a contact 42 arranged on one side of the switch body 41 close to the switch contact block 5 and an elastic sheet 43 arranged on the switch body 41 and covering the outer side of the contact 42, wherein one end of the elastic sheet 43 is connected with the switch body 41, and the free end of the elastic sheet 43 extends in an inclined manner towards the direction far away from the switch body 41; the free end of the elastic sheet 43 is rotatably provided with a touch pulley 44; the switch touch block 5 comprises a connecting part 51 and a touch part 52, one end of the connecting part 51 is connected with the sliding seat 2, the other end of the connecting part 51 is connected with the touch part 52, the connecting part 51 and the touch part 52 are arranged in a crossed manner, and the touch part 52 is arranged in parallel with the moving direction of the sliding seat 2; arc surfaces are arranged at two ends of the touch part 52, and the part of the touch part 52 between the two arc surfaces is a straight line surface; the compression direction of the elastic sheet 43 is vertical to the moving direction of the switch touch block 5.

In practical application, the laser device adopts a driving device to drive the sliding seat 2 to move on the cross beam 1, and when the laser head 3 needs to be subjected to original point setting (namely zero setting), the driving device drives the sliding seat 2 to drive the laser head 3 to move to the position of the limiting device; at this time, the arc surface end of the switch touch block 5 is convenient for the touch pulley 44 on the elastic sheet 43 of the micro switch 4 to collide, the touch pulley 44 slides from the arc surface to the straight surface, and the touch pulley 44 is extruded in the process, so that the elastic sheet 43 is compressed to move in the direction close to the switch body 41; when the touch pulley 44 moves to the straight line surface, the elastic sheet 43 just triggers the contact 42 of the micro switch 4, so that the micro switch 4 is powered on; because the linear surface of the switch touch block 5 is provided with a certain length, even if the switch touch block 5 moves due to the inertia of the sliding seat 2, the elastic sheet 43 cannot be excessively compressed by the switch touch block 5, so that the elastic deformation of the elastic sheet 43 is protected from being damaged, and the service life of the elastic sheet 43 is prolonged; meanwhile, the switch touch block 5 cannot collide with the microswitch 4, so that the problem that the laser head 3 collides with the microswitch 4 in the prior art is solved, and the problem that the laser head 3 is damaged by collision is avoided. The electrified micro switch 4 sends a command to a control system of the laser device, the control system commands the driving device to stop driving the sliding seat 2 to move, so that the laser head 3 stops at the original position, and the control system can perform zero setting on the laser head 3, so that the laser head 3 can process the next new workpiece conveniently. The utility model has simple and compact structure design, and the micro switch 4 and the switch touch block 5 are arranged in parallel, so that the front collision of the laser 3 head and the micro switch 4 is avoided, thereby solving the problem that the laser head 3 and the micro switch 4 are damaged by collision, avoiding the problem that the elastic sheet 43 is excessively compressed to cause elastic failure, and prolonging the service life of the elastic sheet 43; and through the cooperation of switch touch piece 5 with touching pulley 44, can cushion and eliminate the impulsive force to laser head 3 and micro-gap switch 4 from this to protect laser head 3 effectively, reduce the harm to laser head 3, guarantee laser head 3's job stabilization nature, machining precision and improve life.

In this technical scheme, when the sliding seat 2 moves to the position of the switch body 41, the switch contact block 5 on the sliding seat 2 is abutted against the elastic sheet 43 and compresses the direction of the elastic sheet 43 close to the switch body 41, and the compressed elastic sheet 43 pushes the contact 42, so that the micro switch 4 is powered on. The elasticity of the elastic sheet 43 can play a certain role in buffering; and the setting of the touching pulley 44 on the elastic sheet 43 can reduce the friction between the elastic sheet 43 and the switch touching block 5, and meanwhile, the direct touching between the elastic sheet 43 and the switch touching block 5 is avoided to generate unnecessary pollutants (namely, the elastic sheet 43 can scrape the switch touching block 5 to generate scraps), thereby ensuring the cleanness of the processing environment.

The circular arc surface of the touch portion 52 is designed to enable the touch portion 52 to smoothly and smoothly contact the contact point 42 or the touch pulley 44 on the spring plate 43.

In the technical scheme, the cross beam 1 is provided with a sliding rail 11 along the length direction thereof, and the sliding seat 2 is rotatably provided with a sliding wheel 21 in sliding fit with the sliding rail 11. Preferably, the cross-sectional shape of the slide rail 11 is a semicircle, and the slide wheel 21 is recessed in the circumferential direction with a slide groove 211 matching the shape of the slide rail 11. The upper surface and the downside of slip track 11 all are provided with slip track 11, the top and the bottom of sliding seat 2 all rotate be provided with slip track 11 sliding fit's a plurality of movable pulleys 21. The design of this structure can make sliding seat 2 can more stably, reliably remove at crossbeam 1 to guarantee laser head 3's removal precision and mobility stability.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims (4)

1. The utility model provides a laser head removes stop device which characterized in that: the laser positioning device comprises a cross beam, a sliding seat arranged on the cross beam in a sliding manner, a laser head arranged on the sliding seat and a limiting device used for limiting the moving original point of the sliding seat, wherein the limiting device comprises a switch touch block connected with the sliding seat and a micro switch arranged on the cross beam, and the micro switch is positioned on one side, away from the sliding seat, of the switch touch block; the microswitch comprises a switch body, a contact arranged on one side of the switch body close to the switch touch block and an elastic sheet arranged on the switch body and covering the outer side of the contact, wherein one end of the elastic sheet is connected with the switch body, and the free end of the elastic sheet extends in an inclined manner towards the direction far away from the switch body; the free end of the elastic sheet is rotatably provided with a touch pulley; the switch touch block comprises a connecting part and a touch part, one end of the connecting part is connected with the sliding seat, the other end of the connecting part is connected with the touch part, the connecting part and the touch part are arranged in a crossed manner, and the touch part and the moving direction of the sliding seat are arranged in parallel; arc surfaces are arranged at two ends of the touch part, and the part of the touch part between the two arc surfaces is a linear surface; the compression direction of the elastic sheet is vertical to the moving direction of the switch touch block.

2. The laser head movement limiting device of claim 1, wherein: the crossbeam is provided with the slip track along its length direction, the sliding seat rotates and is provided with the movable pulley with slip track sliding fit.

3. The laser head movement limiting device of claim 2, wherein: the cross section of the sliding track is semicircular, and a sliding track groove matched with the sliding track in shape is concavely arranged in the circumferential direction of the sliding wheel.

4. The laser head movement limiting device of claim 2, wherein: the last side and the downside of slip track all are provided with the slip track, the top and the bottom of sliding seat all rotate be provided with slip track sliding fit's a plurality of movable pulleys.

Images