CN220093397U - Laser module focusing mechanism capable of automatically rebounding - Google Patents

Abstract

The utility model relates to the technical field of laser engraving, in particular to an automatic rebound laser module focusing mechanism which comprises a laser head, wherein a shell is arranged outside the laser head, a chute is formed in the shell, a focusing rod is slidably arranged in the chute, a spring is arranged between the focusing rod and the chute, a spring piece is arranged on the shell, a clamping groove is formed in the middle of the focusing rod, the tail end of the spring piece is inserted into the clamping groove, the focusing rod can slide in the chute and extend out of the chute by means of external force, and after deformation of the tail end of the spring piece is separated from a limiting plane, the whole focusing rod is stored in the chute again by means of resilience force of the spring. The utility model can avoid the problem of scraping the carved plane when the rotary focusing rod is rotated and beaten up, can realize the storage of the focusing rod by virtue of the chute, prevents the focusing rod from being lost, and can effectively control the production cost by checking other motor type telescopic focusing rods.

Description

Laser module focusing mechanism capable of automatically rebounding

Technical Field

The utility model relates to the technical field of laser engraving, in particular to a laser module focusing mechanism capable of automatically rebounding.

Background

The laser engraving technology is a technology for accurately focusing a laser beam on an object, has a wide application range, and is widely applied to the fields of cutting, positioning, marking and the like along with the continuous development of the laser technology. In a laser engraving machine, a laser focusing technology is a key for realizing high-quality marking, and the technology can accurately irradiate the surface of an object to be marked by adjusting the focusing position of a laser beam so as to realize a clear and accurate laser marking effect, and generally, for objects with different heights, focusing is realized by adjusting the focusing position of the laser by using a focusing rod.

The focusing mode of the laser module of the laser engraving machine in the market at present mainly comprises the following modes:

1. focusing the separated cushion block: focusing is carried out between the engraving platform and the laser module through the cushion pad with fixed thickness, the defect is that the cushion pad needs to be placed and packaged independently and has the risk of losing, and the laser module is easy to scratch the engraving platform when the cushion pad is taken down after the focal length is finished.

2. Focusing by a focusing rod rotation mode: through fixed a axle in the above specific position of laser module, focusing stick is beaten down with the axle is rotatory taking as the center, and the mode such as rethread magnet adsorbs or ripples point is fixed and is then begin focusing, and what the shortcoming is that focusing stick rotatory when beating down after the laser module is accomplished focusing can take place certain friction with the sculpture platform and lead to the sculpture platform to scrape the flower.

3. Electric focusing: the motor and the up-down motion mechanism are added, and the automatic focusing is realized by controlling the motion state of the motor to adjust the position of the laser head, so that the defect of high cost is overcome.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a focusing mechanism of a laser module capable of automatically rebounding.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a but laser module focusing mechanism of automatic resilience, includes the laser head, the laser head outside is equipped with the casing, the spout has been seted up on the casing, slidable installs the stick of focusing in the spout, the stick of focusing with install the spring between the spout, install the shell fragment on the casing, the draw-in groove has been seted up in the middle of the stick of focusing, the terminal of shell fragment is inserted in the draw-in groove, the one end of draw-in groove is equipped with can guide the slope face that the shell fragment terminal takes place to deform, the other end of draw-in groove is equipped with can supply the limit plane that the shell fragment terminal was reduced when focusing the stick slides along the spout, the shell fragment relies on self elastic deformation to be in the limit plane of draw-in groove with move repeatedly between the slope face, the stick of focusing relies on external force promotion can slide in the spout and stretch out, and can be restrained in the shell fragment terminal is to the stick of focusing keeps the state that stretches out, behind the terminal production deformation of shell fragment limit plane, rely on the spring back to take in again the whole of focusing in the spout.

Preferably, a pin for limiting the focusing rod to continue to move upwards is arranged on the shell and positioned at the upper end of the sliding groove.

Preferably, a button is provided on the end of the spring, and the button extends through the housing to the outside of the housing.

Preferably, a handle is arranged at the top end of the focusing rod, and the handle penetrates through the sliding groove and is exposed out of the outer surface of the shell.

Preferably, the housing is provided with a cavity opening for installing the spring, a fixed block extending into the cavity opening is arranged at the top end of the focusing rod, one end of the spring is connected with the fixed block, the other end of the spring is installed at the bottom of the cavity opening, the spring is limited in the cavity opening through a screw, and when the focusing rod slides along the sliding chute, an avoiding hole for avoiding the fixed block is formed between the cavity opening and the sliding chute.

Preferably, the tail end of the focusing rod is in a plane arc angle.

By adopting the scheme, the utility model has the beneficial effects that the sliding groove is formed to enable the focusing rod to stretch out and draw back in the sliding groove, the clamping groove limiting plane is arranged in the middle of the focusing rod, the spring and the elastic sheet are combined and installed, the locking function of stretching out and accommodating the focusing rod can be achieved, the elastic sheet is pressed after focusing is completed to deform and then separate from the limiting plane of the clamping groove, the focusing rod can be automatically rebounded upwards to be accommodated in the sliding groove under the action of the elastic force of the spring, the problem of scraping the carved plane when the rotary focusing rod is rotated and beaten up can be avoided, the accommodating of the focusing rod can be realized by virtue of the sliding groove, the focusing rod is prevented from being lost, and the problem of effectively controlling the production cost by correcting the telescopic focusing rod of other motors is solved.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present utility model.

Fig. 2 is a schematic perspective view showing the extension of a focusing rod according to an embodiment of the present utility model.

FIG. 3 is a schematic cross-sectional view of an embodiment of the present utility model.

Fig. 4 is a schematic diagram of a focusing rod clamping groove according to an embodiment of the utility model.

Fig. 5 is a schematic view showing a state of a focusing rod accommodating spring according to an embodiment of the utility model.

Fig. 6 is a schematic view showing a state that a focusing rod is extended out of a spring according to an embodiment of the present utility model.

Detailed Description

Embodiments of the utility model are described in detail below with reference to the attached drawings, but the utility model can be implemented in a number of different ways, which are defined and covered by the claims.

As shown in fig. 1 to 6, the automatically rebounding laser module focusing mechanism provided by the embodiment comprises a laser head, a shell 1 is arranged outside the laser head, a chute 2 is formed in the shell 1, a focusing rod 3 is slidably arranged in the chute 2, a spring 4 is arranged between the focusing rod 3 and the chute 2, a spring piece 5 is arranged on the shell 1, a clamping groove 6 is formed in the middle of the focusing rod 3, the tail end of the spring piece 5 is inserted into the clamping groove 6, one end of the clamping groove 6 is provided with a slope surface 7 capable of guiding the tail end of the spring piece 5 to deform, the other end of the clamping groove 6 is provided with a limiting plane 8 capable of allowing the tail end of the spring piece 5 to reduce, when the focusing rod 3 slides along the chute 2, the spring piece 5 repeatedly moves between the limiting plane 8 of the clamping groove 6 and the slope surface 7 by means of self elastic deformation, the focusing rod 3 can slide in the chute 2 and stretch out of the chute 2 by means of external force pushing, the tail end of the spring piece 5 is inserted into the limiting plane 8 to inhibit the sliding rod 3 from continuing to stretch out of the whole chute 3, and the whole is kept in the state of keeping the focal rod 3 from being deformed by the elastic plane 4.

The specific working principle of the embodiment is as follows: when focusing is not performed, the focusing rod 3 is accommodated in the chute 2 under the limiting action of the pin 9 and the spring 4, during focusing, the focusing rod 3 is pushed to slide downwards in the chute 2 by external force to extend out of the bottom surface of the shell 1, the tail end of the elastic sheet 5 is clamped into the limiting plane 8 of the clamping groove 6 of the focusing rod 3 to lock, the spring 4 is in a compressed state, and at the moment, the tail end of the focusing rod 3 is just positioned at a specific focal length position of the laser module, and the laser module can perform focusing action; after focusing, only need press button 10 makes after the shell fragment 5 takes place deformation break away from spacing plane 8, focusing stick 3 relies on under the spring action of spring 4, automatic upwards kick-back is accomodate in spout 2, can avoid scraping the problem of flower carving and carved the plane when beating the rotation of rotatory stick of focusing, can rely on again the spout realizes focusing stick's accomodate prevents focusing stick is lost to and proofread other motor type telescopic focusing stick will effectively control manufacturing cost's problem.

In this embodiment, a pin 9 for limiting the focusing rod 3 to move upwards is disposed on the housing 1 and located at the upper end of the chute 2, under the action of the elastic force of the spring 4, the focusing rod 3 automatically rebounds and contacts upwards to the pin 9, and the upper end of the focusing rod 3 can be limited in the chute 2 by the arrangement of the pin 9.

In this embodiment, a button 10 is disposed at the end of the elastic piece, the button 10 passes through the chute 2 and extends to the outside of the housing 1, after the button 10 is pressed down, the elastic piece 5 will deform, so that the elastic piece 5 deforms to separate from the limiting plane 8, and the focusing rod 3 automatically rebounds and is stored in the chute 2 by means of the elasticity of the spring 4.

In this embodiment, the top end of the focusing rod 3 is provided with a handle 11, the handle 11 passes through the chute 2 and is exposed on the outer surface of the housing 1, and the setting of the handle 11 is used to facilitate the user to push the focusing rod 3, so that the focusing rod 3 extends out from the bottom of the housing 1.

In this embodiment, the end of the focusing rod 3 is in a plane arc angle, and when the end of the focusing rod 3 contacts with the surface of the engraving platform, friction can be effectively avoided to scratch the engraving platform.

In this embodiment, the housing 1 is provided with a cavity opening 12 for installing the spring 4, a fixed block 13 extending into the cavity opening 12 is arranged at the top end of the focusing rod 3, one end of the spring 4 is connected with the fixed block 13, the other end of the spring 4 is installed at the bottom of the cavity opening 12, the spring 4 is limited in the cavity opening 12 through a screw 14, and the disassembly and replacement maintenance of the spring 4 can be performed by the disassembly and installation of the screw; when the focusing rod 3 slides along the chute 2, an avoidance hole for avoiding the fixed block 13 is arranged between the cavity opening and the chute. The spring 4 is kept in the cavity opening 12 to be compressed or stretched, so that deflection is avoided, and the stability of the spring 4 can be effectively improved.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims (6)

1. The utility model provides a but laser module focusing mechanism of automatic resilience which characterized in that: the laser head comprises a laser head, the outside casing that is equipped with of laser head, the spout has been seted up on the casing, slidable installs the stick of focusing in the spout, the stick of focusing with install the spring between the spout, install the shell fragment on the casing, the draw-in groove has been seted up in the middle of the stick of focusing, the terminal of shell fragment is inserted in the draw-in groove, the one end of draw-in groove is equipped with can guide the slope face that the shell fragment terminal takes place to deform, the other end of draw-in groove is equipped with can supply the limit plane that the shell fragment terminal was reduced the stick of focusing slides along the spout, the shell fragment relies on self elastic deformation to be in the draw-in groove limit plane with carry out the reciprocating motion between the slope face, the stick of focusing relies on external force to promote can slide in the spout and stretch out, and can restrain right the stick of focusing continues to slide in the limit plane, make the stick of focusing keeps stretching out the state in the terminal of shell fragment produces deformation and breaks away from behind the limit plane, relies on the elasticity of spring to take in the whole of stick of focusing again in the spout.

2. An automatically rebounded laser module focus mechanism as in claim 1 wherein: and a pin for limiting the focusing rod to move upwards continuously is arranged on the shell and positioned at the upper end of the sliding groove.

3. An automatically rebounded laser module focus mechanism as in claim 2 wherein: the button is arranged at the tail end of the elastic sheet and penetrates through the shell to extend to the outside of the shell.

4. An automatically rebounded laser module focus mechanism as in claim 3 wherein: the top end of the focusing rod is provided with a handle, and the handle penetrates through the sliding groove and is exposed out of the outer surface of the shell.

5. An automatically rebounded laser module focus mechanism as in claim 4 wherein: the focusing device comprises a housing, a focusing rod, a fixing block, a spring, a screw and a sliding chute, wherein the housing is provided with a cavity opening for installing the spring, the top end of the focusing rod is provided with the fixing block extending into the cavity opening, one end of the spring is connected with the fixing block, the other end of the spring is installed at the bottom of the cavity opening, the spring is limited in the cavity opening through the screw, and an avoiding hole for avoiding the fixing block is formed between the cavity opening and the sliding chute when the focusing rod slides along the sliding chute.

6. An automatically rebounded laser module focus mechanism as in claim 5 wherein: the tail end of the focusing rod is in a plane arc angle.