CN213936849U

CN213936849U - Adjustable diaphragm for laser

Info

Publication number: CN213936849U
Application number: CN202023339075.2U
Authority: CN
Inventors: 朱能伟; 方晓东; 梁勖; 游利兵
Original assignee: Shenzhen Shengfang Technology Co ltd
Current assignee: Shenzhen Shengfang Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-10
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses an adjustable diaphragm for laser instrument, including being connected to the base on the laser instrument, the base on be connected with the support, the support on still be connected with its pivoted diaphragm piece relatively, be equipped with the locking Assembly that can lock the two behind the relative support rotation certain angle of diaphragm piece between diaphragm piece and the support, the base on still be equipped with and order about diaphragm piece pivoted drive assembly, the diaphragm piece on still be equipped with a plurality ofly align with laser ray and change the diaphragm hole of laser ray diameter when the diaphragm piece rotates. The utility model aims at overcoming the not enough of prior art, provide one kind and need not to dismantle the adjustable diaphragm that is used for the laser instrument that the laser instrument shell just can adjust the diaphragm hole diameter.

Description

Adjustable diaphragm for laser

[ technical field ] A method for producing a semiconductor device

The utility model relates to an adjustable diaphragm for laser instrument.

[ background of the invention ]

The diaphragm is the apparatus that is used for injecing laser ray and jets out the diameter, generally installs inside the laser instrument, and current laser instrument is closed mostly, if need change the diaphragm of another diameter need remove the shell of laser instrument, then just take off original diaphragm, installs new diaphragm again, and the operation is comparatively troublesome. The diameters of the diaphragm holes on each diaphragm are different, so that the laser needs to purchase a plurality of diaphragms with different apertures when in use, and the cost is high.

The utility model discloses just produce based on above-mentioned not enough.

[ Utility model ] content

The utility model aims at overcoming the not enough of prior art, provide one kind and need not to dismantle the adjustable diaphragm that is used for the laser instrument that the laser instrument shell just can adjust the diaphragm hole diameter.

The utility model discloses a realize through following technical scheme:

an adjustable diaphragm for a laser, characterized by: including being connected to base 1 on the laser instrument, base 1 on be connected with support 2, support 2 on still be connected with its pivoted diaphragm piece 3 relatively, be equipped with between diaphragm piece 3 and the support 2 and can be with the locking Assembly 4 of the two locking behind the relative support 2 rotatory certain angle of diaphragm piece 3, base 1 on still be equipped with and order about diaphragm piece 3 pivoted drive assembly 5, diaphragm piece 3 on still be equipped with a plurality of diaphragm holes 31 that align with the laser ray and change laser ray diameter when diaphragm piece 3 rotates.

An adjustable diaphragm for a laser as described above, characterized in that: support 2 on be equipped with location axle 22, location axle 22 on be connected with and to rotate piece 6 its pivoted relatively, diaphragm piece 3 connect on rotating piece 6, rotate piece 6 including connect in the epaxial pedestal 61 of location and pass through fixed plate 62 that the screw connection is fixed with pedestal 61, diaphragm piece 3 be fixed in between pedestal 61 and the fixed plate 62, just pedestal 61 and location axle 22 between be connected with bearing 7.

An adjustable diaphragm for a laser as described above, characterized in that: the diaphragm piece 3 be circular setting, and a plurality of diaphragm hole 31 set up along diaphragm piece 3's circumference, support 2 on be equipped with the through-hole 21 that can supply the laser ray to pass through.

An adjustable diaphragm for a laser as described above, characterized in that: the support 2 is further provided with a convex ring 23 surrounding the positioning shaft 22, a fixing member 8 is further arranged between the seat body 61 and the convex ring 23, the locking assembly 4 is arranged between the fixing member 8 and the seat body 61, and the fixing member 8 is connected to the convex ring 23 through a screw.

An adjustable diaphragm for a laser as described above, characterized in that: the fixing member 8 is provided with a concave cavity 81, the base body 61 is provided with a groove 611, the locking assembly 4 comprises a ball 41 which is arranged in the concave cavity 81 and can slide longitudinally relative to the concave cavity 81, and a pressing spring 42 which can press the ball 41 and can enable the ball 41 to be simultaneously clamped with the concave cavity 81 and the groove 611 is arranged between the ball 41 and the concave cavity 81.

An adjustable diaphragm for a laser as described above, characterized in that: the connection between the groove 611 and the inner side 610 of the seat body 61 is provided with a slant sliding surface 612.

An adjustable diaphragm for a laser as described above, characterized in that: two annular protrusions 613 are further arranged on the inner side surface 610 of the seat body 61, and an annular groove 614 capable of limiting the moving path of the ball 41 is formed between the two annular protrusions 613.

An adjustable diaphragm for a laser as described above, characterized in that: the driving assembly 5 comprises a worm gear 51 which extends transversely and is rotatably connected to the base 1, and a worm gear 52 which is meshed with the worm gear 51 for transmission is arranged on the base body 61.

An adjustable diaphragm for a laser as described above, characterized in that: the driving assembly 5 further comprises a dial 53 capable of being mounted on the laser shell, the dial 53 is provided with scale marks 531 corresponding to the diameters of the diaphragm holes 31, the worm 51 is connected with a rotary handle 54, and the rotary handle 54 is connected with arrow marks 541 capable of pointing to the scale marks 531.

Compared with the prior art, the utility model discloses there is following advantage: the utility model discloses during the diameter of the laser ray of adjusting laser instrument transmission, order about the relative support rotation of diaphragm piece through drive assembly, after the diaphragm piece rotates certain angle, thereby make the diaphragm hole of another diameter align with laser ray and change the diameter of laser ray, and when diaphragm hole aligns with laser ray, the diaphragm piece passes through the locking subassembly with the support and locks, avoid the mistake to touch drive assembly and cause the diaphragm piece abnormal rotation and lead to the diaphragm hole alignment of laser ray and unexpected selection, perhaps lead to the diaphragm hole of laser ray and the expected selection to have the deviation and misplace. When the diaphragm hole is adjusted to needs, exert external force to drive assembly and overcome the resistance of locking Assembly and make the unblock of locking Assembly, just can rotate the diaphragm this moment for the correct diaphragm hole that expects to select aligns with laser ray, need not demolish the shell of laser instrument, and convenient operation has integrated the diaphragm hole of a plurality of different diameters on the diaphragm in addition, saves the cost, the utility model discloses simple structure, convenient operation.

[ description of the drawings ]

Fig. 1 is a perspective view of an adjustable diaphragm for a laser of the present invention;

fig. 2 is one of the exploded views of the adjustable diaphragm for a laser of the present invention;

fig. 3 is a second exploded view of the adjustable diaphragm for a laser according to the present invention;

FIG. 4 is an enlarged view of area A of FIG. 3;

fig. 5 is a perspective view of the adjustable diaphragm middle base for a laser according to the present invention;

fig. 6 is a cross-sectional view of an adjustable diaphragm for a laser of the present invention;

fig. 7 is an enlarged view of the region B in fig. 6.

[ detailed description ] embodiments

The invention will be further described with reference to the accompanying drawings:

as shown in fig. 1 to 7, the utility model provides an adjustable diaphragm for laser instrument, including being connected to the base 1 on the laser instrument, base 1 on be connected with support 2, support 2 on still be connected with its pivoted diaphragm piece 3 relatively, be equipped with between diaphragm piece 3 and the support 2 and can be with the locking Assembly 4 of the two locking after diaphragm piece 3 is relative support 2 rotatory certain angle, base 1 on still be equipped with and order about diaphragm piece 3 pivoted drive assembly 5, diaphragm piece 3 on still be equipped with a plurality ofly align with laser ray when diaphragm piece 3 rotates and change the diaphragm hole 31 of laser ray diameter.

When the diameter of the laser ray emitted by the laser needs to be adjusted, the diaphragm plate 3 is driven to rotate relative to the support 2 through the driving assembly 5, after the diaphragm plate 3 rotates for a certain angle, the diaphragm hole 31 with the other diameter is aligned with the laser ray so as to change the diameter of the laser ray, and when the diaphragm hole 31 is aligned with the laser ray, the diaphragm plate 3 is locked with the support 2 through the locking assembly 4, the diaphragm plate 3 rotates abnormally, so that the laser ray is aligned with the diaphragm hole 31 which is not expected to be selected, or the laser ray is deviated from the diaphragm hole 31 which is expected to be selected and is misaligned. When diaphragm hole 311 needs to be adjusted, exert external force to drive assembly 5 and overcome the resistance of locking Assembly 4 and make locking Assembly 4 unblock, just can rotate diaphragm 3 this moment for the exact diaphragm hole 31 of expectation selection aligns with laser ray, need not demolish the shell of laser instrument, and convenient operation has integrated the diaphragm hole 31 of a plurality of different diameters on diaphragm 3 moreover, saves the cost, the utility model discloses simple structure, convenient operation.

As shown in fig. 1 to 3, the support 2 is provided with a positioning shaft 22, the positioning shaft 22 is connected with a rotating member 6 capable of rotating relative to the positioning shaft 22, the diaphragm plate 3 is connected to the rotating member 6, the rotating member 6 includes a base body 61 connected to the positioning shaft 22 and a fixing plate 62 fixed to the base body 61 through screws, the diaphragm plate 3 is fixed between the base body 61 and the fixing plate 62, and a bearing 7 is connected between the base body 61 and the positioning shaft 22. The base body 61 and the fixing plate 62 are used for fixing the diaphragm 3, the base body 61 rotates relative to the positioning shaft 22 through the bearing 7, and the diaphragm 3 rotates along with the base body 61 when the base body 61 rotates.

As shown in fig. 2 to 7, the diaphragm plate 3 is arranged in a circular shape, the plurality of diaphragm holes 31 are arranged along the circumferential direction of the diaphragm plate 3, and the support 2 is provided with a through hole 21 through which a laser beam can pass. It can be ensured that the distance between the center of the diaphragm aperture 31 and the axis of the diaphragm 3 is the same. The through-hole 21 is capable of passing laser radiation.

As shown in fig. 2 to 3, the bracket 2 is further provided with a protruding ring 23 surrounding the positioning shaft 22, a fixing member 8 is further disposed between the seat body 61 and the protruding ring 23, the locking member 4 is disposed between the fixing member 8 and the seat body 61, and the fixing member 8 is connected to the protruding ring 23 through a screw. The protruding ring 23 is used for fixing the fixing member 8, and the fixing member 8 is prevented from loosening.

As shown in fig. 6 to 7, a cavity 81 is formed in the fixing member 8, a groove 611 is formed in the seat body 61, the locking assembly 4 includes a ball 41 disposed in the cavity 81 and capable of sliding longitudinally relative to the cavity 81, and a pressing spring 42 capable of pressing the ball 41 and simultaneously engaging the ball 41 with the cavity 81 and the groove 611 is disposed between the ball 41 and the cavity 81. When the driving unit 5 drives the rotating member 6 to rotate, the groove wall 611 of the rotating member 6 presses the ball 41 to compress the pressing spring 42, so that the ball 41 is gradually disengaged from the groove 611, and the rotating member 6 can rotate relative to the frame 2 to change the aperture aligned with the laser beam. When the desired diaphragm aperture is aligned with the laser beam, the ball 41 snaps into the other recess 611.

As shown in fig. 6 to 7, the connection between the groove 611 and the inner side 610 of the holder body 61 is provided with a sloped surface 612. The inclined sliding surface 612 makes the ball 41 slide out of the groove 611 more smoothly.

As shown in fig. 3 and 5, two annular protrusions 613 are further provided on the inner surface 610 of the rotating member 6, and an annular groove 614 capable of restricting the moving path of the balls 41 is formed between the two annular protrusions 613. The annular groove 614 serves to limit the travel of the rolling ball 41 and to prevent the rolling ball 41 from sliding axially.

As shown in fig. 3 to 4, the driving assembly 5 includes a worm gear 51 extending transversely and rotatably connected to the base 1, and the housing 61 is provided with a worm gear 52 engaged with the worm gear 51 for transmission. The worm gear 51 and the worm gear 52 cooperate to rotate the rotary member 6.

As shown in fig. 3 to 4, the driving assembly 5 further includes a dial 53 capable of being mounted on the laser housing, the dial 53 is provided with scale marks 531 corresponding to the diameters of the diaphragm holes 31, the worm 51 is connected with a rotation handle 54, and the rotation handle 54 is connected with arrow marks 541 capable of pointing to the scale marks 531. The scale markings 531 are used to observe the diameter of the diaphragm aperture 31 to be reached, and the rotation knob 54 facilitates the user to rotate the adjustment.

Claims

1. An adjustable diaphragm for a laser, characterized by: including base (1) that can be connected to on the laser instrument, base (1) on be connected with support (2), support (2) on still be connected with its pivoted diaphragm piece (3) relatively, be equipped with between diaphragm piece (3) and support (2) can be with locking Assembly (4) of the two locking behind diaphragm piece (3) relative support (2) rotatory certain angle, base (1) on still be equipped with and drive diaphragm piece (3) pivoted drive assembly (5) can order about, diaphragm piece (3) on still be equipped with a plurality of diaphragm holes (31) that align with the laser ray and change laser ray diameter when diaphragm piece (3) rotate.

2. An adjustable diaphragm for a laser according to claim 1, wherein: support (2) on be equipped with location axle (22), location axle (22) on be connected with its pivoted rotation piece (6) relatively, diaphragm piece (3) connect on rotating piece (6), rotation piece (6) including connect in pedestal (61) on location axle (22) and pass through fixed plate (62) of screw connection fixed with pedestal (61), diaphragm piece (3) be fixed in between pedestal (61) and fixed plate (62), just pedestal (61) and location axle (22) between be connected with bearing (7).

3. An adjustable diaphragm for a laser according to claim 1, wherein: diaphragm piece (3) be circular setting, and a plurality of diaphragm hole (31) set up along the circumference of diaphragm piece (3), support (2) on be equipped with through-hole (21) that can supply the laser ray to pass through.

4. An adjustable diaphragm for a laser according to claim 2, wherein: the support (2) on still be equipped with bulge loop (23) that encircle location axle (22) and set up, pedestal (61) and bulge loop (23) between still be equipped with mounting (8), locking Assembly (4) locate between mounting (8) and pedestal (61), just mounting (8) pass through the screw connection on bulge loop (23).

5. An adjustable diaphragm for a laser according to claim 4, wherein: the locking device is characterized in that a concave cavity (81) is arranged in the fixing piece (8), a groove (611) is formed in the base body (61), the locking assembly (4) comprises a ball (41) which is arranged in the concave cavity (81) and can slide longitudinally relative to the concave cavity (81), and a jacking spring (42) which can jack the ball (41) and can enable the ball (41) to be simultaneously clamped with the concave cavity (81) and the groove (611) is arranged between the ball (41) and the concave cavity (81).

6. An adjustable diaphragm for a laser according to claim 5, wherein: the connection part of the groove (611) and the inner side surface (610) of the seat body (61) is provided with an inclined sliding surface (612).

7. An adjustable diaphragm for a laser according to claim 6, wherein: the inner side surface (610) of the seat body (61) is further provided with two annular protrusions (613), and an annular groove (614) capable of limiting the moving path of the ball (41) is formed between the two annular protrusions (613).

8. An adjustable diaphragm for a laser according to claim 2, wherein: the driving assembly (5) comprises a worm gear rod (51) which transversely extends and is rotatably connected to the base (1), and a worm wheel (52) which is meshed with the worm gear rod (51) for transmission is arranged on the base body (61).

9. The adjustable diaphragm for a laser of claim 8, wherein: the driving assembly (5) further comprises a dial (53) capable of being installed on the laser shell, scale marks (531) corresponding to the diameters of the diaphragm holes (31) are arranged on the dial (53), a rotating handle (54) is connected to the worm wheel rod (51), and arrow marks (541) capable of pointing to the scale marks (531) are connected to the rotating handle (54).