CN210475902U

CN210475902U - Amplitude modulation mechanism and marking machine

Info

Publication number: CN210475902U
Application number: CN201921458421.3U
Authority: CN
Inventors: 周双留; 崔振华
Original assignee: Sino Galvo Jiangsu Technology Co ltd
Current assignee: Sino Galvo Jiangsu Technology Co ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-05-08
Anticipated expiration: 2029-09-03

Abstract

The utility model provides an amplitude modulation mechanism and marking machine relates to and beats mark technical field. The amplitude modulation mechanism comprises a substrate, a base for bearing the dynamic focusing mechanism and a fastener; the base is movably arranged on the substrate, the base is provided with a cantilever, and when the base moves, a gap is formed between the cantilever and the substrate; the fastener is used for fixing the cantilever to the substrate; the marking machine comprises a dynamic focusing mechanism and an amplitude modulation mechanism, wherein the dynamic focusing mechanism is arranged on a base of the amplitude modulation mechanism. In the amplitude modulation mechanism and the marking machine provided by the utility model, in the moving process of the base and the dynamic focusing mechanism, the cantilever used for being connected with the base plate is not contacted with the base plate, and the base plate can not form obstruction to the base, so the moving smoothness of the base and the dynamic focusing mechanism is increased; and the marking device does not contain a motor, corresponding control software and the like, has low cost, simple structure and simple operation, and can conveniently realize the adjustment of the marking breadth.

Description

Amplitude modulation mechanism and marking machine

Technical Field

The utility model belongs to the technical field of the mark technique of beating and specifically relates to an amplitude modulation mechanism and marking machine is related to.

Background

Marking is to evaporate the surface material of the object to expose the deep material, so as to carve exquisite patterns, trademarks and characters. Laser marking machines are devices that use a laser beam to make permanent marks on the surface of various materials.

In the prior art, the laser marking machine is connected with the dynamic focusing mechanism through the screw rod, the screw rod is driven by the stepping motor, and the stepping motor is controlled by external software, so that the marking breadth is adjusted, the structure is complex, the cost is higher, and the dynamic focusing mechanism is not smooth enough in the moving process.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide an amplitude modulation mechanism to alleviate the marking machine that exists among the prior art at the amplitude modulation in-process, dynamic focusing mechanism removes smooth and easy technical problem inadequately.

The utility model provides an amplitude modulation mechanism, which comprises a base plate, a base used for bearing a dynamic focusing mechanism and a fastener;

the base is movably arranged on the substrate and provided with a cantilever, and when the base moves, a gap is formed between the cantilever and the substrate;

the fastener is used for fixing the cantilever to the substrate.

Furthermore, the amplitude modulation mechanism also comprises a positioning piece, and the positioning piece is provided with a first plate, a second plate and a third plate connected between the first plate and the second plate; the first plate is fixedly connected to the base; the second plate is used for being connected with the base plate, when the base moves, a gap is formed between the second plate and the base plate, and the second plate forms the cantilever.

Furthermore, the second plate is provided with a through hole; the substrate is provided with a plurality of positioning holes, and each positioning hole corresponds to different marking breadth; the fastener passes through the through hole and is alternatively fixed on the positioning hole.

Further, the third plate and the through hole are respectively arranged at two ends of the second plate in the length direction.

Furthermore, the positioning hole is a stepped hole, the stepped hole comprises a threaded hole and a unthreaded hole which are coaxial, the diameter of the unthreaded hole is larger than that of the threaded hole, and the depth of the unthreaded hole is larger than that of the threaded hole;

the fastener comprises a threaded portion and a positioning portion, the threaded portion is matched with the threaded hole, and the positioning portion is matched with the unthreaded hole.

Further, the fastener still includes spacing portion, spacing portion is located the location portion is kept away from one side of screw thread portion, spacing portion be used for with the second board butt.

Further, the fastener still includes the operation portion, the operation portion is located the spacing portion is kept away from one side of location portion, the operation portion includes a plurality of grooves, and a plurality of the groove is followed the circumference of fastener distributes.

Further, amplitude modulation mechanism still includes the scale, the scale set up in the base plate, just the different mark of scale corresponds the marking breadth of equidimension not.

Furthermore, the amplitude modulation mechanism further comprises a shell and a cover plate, the shell is provided with an adjusting opening, and the cover plate is used for plugging the adjusting opening;

the bottom wall of the housing forms the base plate, and the base and the fastener are both disposed within the housing.

The utility model provides an amplitude modulation mechanism can obtain following beneficial effect:

the utility model provides an among the amplitude modulation mechanism for the base that bears dynamic focusing mechanism is movably to be set up in the base plate, and after the base removed to suitable position, the fastener was fixed in the base plate through the cantilever with the base, and then was fixed in the base plate with base and the dynamic focusing mechanism who bears. Since the cantilever for connecting with the substrate does not contact with the substrate in the process of moving the base and the dynamic focusing mechanism, the substrate does not obstruct the movement of the base, thereby increasing the smoothness of the movement of the base and the dynamic focusing mechanism.

In addition, the amplitude modulation mechanism does not comprise a motor, corresponding control software and the like, is low in cost, simple in structure and simple to operate, and can conveniently realize the adjustment of the marking breadth.

A second object of the utility model is to provide a marking machine to alleviate the marking machine that exists among the prior art at the amplitude modulation in-process, dynamic focusing mechanism removes smooth and easy technical problem inadequately.

The utility model provides a marking machine, including dynamic focus mechanism with amplitude modulation mechanism, dynamic focus mechanism set up in amplitude modulation mechanism's base.

The utility model provides a marking machine has all beneficial effects of foretell amplitude modulation mechanism, no longer gives unnecessary details here.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is one of schematic partial structural diagrams of a marking machine according to an embodiment of the present invention;

fig. 2 is a schematic view of a local structure of the marking machine provided by the embodiment of the present invention after the cover plate is removed;

fig. 3 is a schematic partial side view of the marking machine provided by the embodiment of the present invention after the cover plate is removed;

fig. 4 is a second schematic view of a local structure of the marking machine according to the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a positioning member of an amplitude modulation mechanism according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a fastener of an amplitude modulation mechanism according to an embodiment of the present invention.

Icon:

100-a housing; 110-a substrate; 111-a slide rail; 120-a side wall; 121-an adjusting port; 130-a cover plate;

200-a base;

300-a positioning element; 310-a first plate; 311-a first end; 312-a second end; 320-a second plate; 321-a third end; 322-a fourth end; 323-through holes; 330-a third plate;

400-a fastener; 410-groove; 420-a limiting part; 430-a positioning section; 440-a threaded portion;

500-Scale.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "lower", "inner", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The embodiment provides an amplitude modulation mechanism and a marking machine, wherein as shown in fig. 1, fig. 2 and fig. 3, the marking machine comprises a dynamic focusing mechanism and an amplitude modulation mechanism, and the dynamic focusing mechanism is arranged on a base 200 of the amplitude modulation mechanism.

As shown in fig. 4, the amplitude modulation mechanism provided in this embodiment includes a substrate 110, a base 200 for carrying the dynamic focus mechanism, and a fastener 400, wherein the base 200 is movably disposed on the substrate 110, the base 200 is provided with a cantilever, and when the base 200 moves, a gap is formed between the cantilever and the substrate 110; the fastener 400 is used to secure the cantilever to the base plate 110.

In the amplitude modulation mechanism provided in this embodiment, the base 200 for carrying the dynamic focus mechanism is movably disposed on the substrate 110, and after the base 200 moves to a proper position, the fastener 400 fixes the cantilever of the base 200 to the substrate 110, so as to fix the base 200 and the dynamic focus mechanism carried by the base 200 to the substrate 110. Since the cantilever for connecting the substrate 110 does not contact the substrate 110 during the movement of the base 200 and the dynamic focus mechanism, the substrate 110 does not obstruct the movement of the base 200, and the movement smoothness of the base 200 and the dynamic focus mechanism is increased.

In addition, in this amplitude modulation mechanism, do not contain motor and corresponding control software etc. with low costs, simple structure, operation are also simple, can realize marking the regulation of breadth conveniently.

Specifically, in the present embodiment, as shown in fig. 5, the amplitude modulation mechanism may further include a positioning member 300, the positioning member 300 having a first plate 310, a second plate 320 and a third plate 330 connected therebetween; the first plate 310 is fixedly connected to the base 200; the second plate 320 is used for being connected with the substrate 110, and when the base 200 moves, a gap is formed between the second plate 320 and the substrate 110, and the second plate 320 forms a cantilever.

Specifically, referring to fig. 5, in the embodiment, along the moving direction of the dynamic focusing mechanism, the first plate 310 has a first end 311 and a second end 312, the second plate 320 has a third end 321 and a fourth end 322, the first end 311 corresponds to the third end 321, the second end 312 corresponds to the fourth end 322, and the third plate 330 is connected between the first end 311 and the third end 321.

It should be noted that the third plate 330 may be connected between the second end 312 and the fourth end 322, or the third plate 330 is connected between the middle of the first plate 310 and the middle of the second plate 320, or the third plate 330 is connected between the middle of the first plate 310 and the third end 321, as long as the first plate 310 for fixedly connecting with the base 200 and the second plate 320 for connecting with the substrate 110 can be connected together, and the second plate 320 can form a cantilever, and the specific connection position and connection manner are not limited.

Specifically, in this embodiment, the second plate 320 is provided with a through hole 323; the substrate 110 is provided with a plurality of positioning holes, and each positioning hole corresponds to different marking breadth; the fastener 400 is inserted through the through hole 323 and is alternatively fixed to the positioning hole to lock the position of the positioning member 300 relative to the substrate 110. In use, the through holes 323 of the positioning member 300 can be aligned with different positioning holes to obtain different sizes of marking webs.

Specifically, the third plate 330 and the through-hole 323 are disposed at both ends of the second plate 320 in the length direction, respectively. In this embodiment, the third plate 330 is disposed at the third end 321 of the second plate 320, and the through hole 323 is disposed at the fourth end 322 of the second plate 320. Thus, the second plate 320 can more easily contact the substrate 110 and firmly fix the spacer 300 to the substrate 110.

Specifically, the through hole 323 may be a kidney-shaped hole, and a length direction of the kidney-shaped hole is disposed perpendicular to a moving direction of the dynamic focus mechanism. With this arrangement, the fastener 400 can be more easily fitted into the through-hole 323, and the problem of the through-hole 323 being unable to be fitted due to manufacturing errors in the direction perpendicular to the moving direction is effectively avoided.

Specifically, in this embodiment, the positioning hole may be a stepped hole, the stepped hole includes a threaded hole and a smooth hole which are coaxial, a diameter of the smooth hole is greater than a diameter of the threaded hole, and a depth of the smooth hole is greater than a depth of the threaded hole; as shown in fig. 6, the fastener 400 may include a threaded portion 440 and a positioning portion 430, the threaded portion 440 matching the threaded hole, and the positioning portion 430 matching the unthreaded hole. When the positioning piece 300 is fixed by using the fastener 400, because the depth of the unthreaded hole is greater than that of the threaded hole, the threaded portion 440 is screwed into the threaded hole only after the positioning portion 430 accurately positions the fastener 400, thereby effectively avoiding the situation that the threaded portion 440 and the threaded hole are not coaxial, namely the fastener 400 is screwed, and the thread of the threaded portion 440 or the threaded hole is damaged, and further protecting the fastener 400 and the positioning hole.

Specifically, in this embodiment, as shown in fig. 6, the fastening member 400 may further include a limiting portion 420, the limiting portion 420 is located on a side of the positioning portion 430 away from the threaded portion 440, and the limiting portion 420 is used for abutting against the second plate 320 to limit the second plate 320 from moving in a direction away from the substrate 110. When the positioning member 300 is fixed by using the fastening member 400, the position-limiting portion 420 abuts against one side of the second plate 320, which is a cantilever, away from the substrate 110, and the position-limiting portion 420 can block the second plate 320 from moving in a direction away from the substrate 110, so as to limit the second plate 320; in addition, the position-limiting portion 420 can press the second plate 320, so that the positioning member 300 is connected with the substrate 110 more tightly, thereby increasing the connection firmness between the positioning member 300 and the substrate 110.

In this embodiment, the amplitude modulation mechanism may further include a scale 500, the scale 500 may be disposed on the substrate 110, and different marks of the scale 500 correspond to different sizes of marking breadth. The size of the marking web can be intuitively obtained from the markings on the scale 500. In the using process, when the marking breadth is required to be adjusted from one dimension to another dimension, the through hole 323 of the positioning piece 300 is only required to be moved to the mark position corresponding to the target breadth and fixed by the fastener 400.

It should be noted that the scale 500 may be disposed at other positions, and the position is not limited to this, as long as the operator can view the size of the marking width.

Specifically, in the present embodiment, the amplitude modulation mechanism may include a housing 100, a bottom wall of the housing 100 forms a substrate 110, and a base 200 and a fastener 400 are disposed in the housing 100; the housing 100 is opened with an adjustment opening 121. The housing 100 is waterproof and dustproof and can resist external force, thereby protecting components therein.

Specifically, in the present embodiment, the amplitude modulation mechanism may further include a cover plate 130, and the cover plate 130 is used for sealing the adjustment opening 121. The cover plate 130 further protects the components in the housing 100 from water and dust and from external forces.

Preferably, the adjustment opening 121 is provided to the sidewall 120 of the housing 100 adjacent to the fastener 400 and extending in the moving direction. The position of the dynamic focusing mechanism can be conveniently adjusted by opening the adjusting opening 121, and then the size of the marking breadth is adjusted.

Specifically, in the present embodiment, the amplitude modulation mechanism may further include a sealing member for sealing the adjustment opening 121. The sealing member can reduce moisture, dust and the like entering the shell 100 from the adjusting opening 121, protect a dynamic focusing mechanism and the like in the shell 100, and reduce the maintenance frequency and the maintenance cost of the amplitude modulation mechanism.

Specifically, in this embodiment, the fastening member 400 may further include an operating portion, the operating portion is located on a side of the limiting portion 420 away from the positioning portion 430, the operating portion may include a plurality of grooves 410, and the plurality of grooves 410 are distributed along a circumferential direction of the fastening member 400. To adjust the marking web, a tool (e.g., a screwdriver, etc.) may be inserted through the adjustment opening 121 and into the slot 410 of the fastener 400 to rotate the fastener 400. Threading of fastener 400 into a pilot hole can be accomplished by inserting a tool into different slots 410 in succession and rotating fastener 400.

Specifically, the groove 410 may be disposed on a peripheral surface of the fastener 400, and the groove 410 extends along an axial direction of the fastener 400 and penetrates through an end surface of the fastener 400, so that an operator may insert a tool into the fastener 400 along the axial direction of the fastener 400, which is convenient and fast to operate.

Further, the groove 410 may also extend in a radial direction of the fastener 400 and through the circumference of the fastener 400.

In the amplitude modulation mechanism of the present application, one of the substrate 110 and the base 200 may be provided with a slide rail 111, and the other of the substrate 110 and the base 200 may be provided with a slide groove, and the slide rail 111 extends along the moving direction of the dynamic focusing mechanism, and the slide groove is matched with the slide rail 111.

In this embodiment, as shown in fig. 2, the sliding slot is disposed on the base 200, and the sliding rail 111 is disposed on the substrate 110. The base 200 slides along the slide rail 111.

In other embodiments of the present application, the sliding groove may be disposed on the substrate 110, and accordingly, the sliding rail 111 may be disposed on the base 200, and the base 200 slides along the sliding groove.

In this embodiment, as shown in fig. 2, the slide rail 111 is a linear slide rail, and accordingly, the slide groove extends along a linear direction.

In this embodiment, the number of the slide rails 111 may be two, and the two slide rails 111 are spaced from each other and arranged in parallel; correspondingly, the number of the sliding grooves is also two, and the two sliding grooves correspond to the two sliding rails 111 respectively. The two slide rails 111 form stable support for the base 200 and the dynamic focusing mechanism loaded on the base, so that the structural stability of the dynamic focusing mechanism is improved, the position accuracy of the laser beam and the marking position accuracy can be improved, and the marking quality is finally improved.

It should be noted that, in other embodiments of the present application, the number of the sliding rails 111 may also be one or more than two, and the number of the sliding grooves is the same as the number of the sliding rails 111. For example, the number of the slide rails 111 may be one. As long as the sliding grooves and the sliding rails 111 can be matched with each other, the base 200 and the dynamic focusing mechanism thereon are stably supported, and the base 200 and the dynamic focusing mechanism thereon can smoothly move along the extending direction of the sliding rails 111, and the specific number of the sliding rails 111 and the sliding grooves is not limited.

It should be noted that, in the marking machine provided in the present embodiment, the base 200 is slidably connected to the bottom wall, but in other embodiments of the present application, the base 200 may be slidably connected to the side wall 120 or the top wall of the casing 100, as long as the base 200 can be disposed on the casing 100 through the cooperation of the slide rail 111 and the slide groove, and can move smoothly relative to the casing 100.

Specifically, in this embodiment, the base 200 may be fixedly provided with a sliding seat, and the sliding groove is disposed on the sliding seat.

More specifically, one end of the base 200 close to the positioning member 300 may be provided with a sliding seat; one end of the base 200 away from the positioning element 300 may be provided with two sliding seats, and the two sliding seats are respectively disposed at two ends of the base 200 along the extending direction of the sliding rail 111. The three slide bases form stable support for the base 200 and the dynamic focusing mechanism thereon, so that the stability of the base 200 and the dynamic focusing mechanism thereon is further improved, the position accuracy of the laser beam and the accuracy of the marking position can be further improved, and the marking quality is improved.

It should be noted that, the number of the sliding bases corresponding to each sliding rail 111 is at least one, and the sliding bases can drive the base 200 and the dynamic focusing mechanism on the base 200 to move smoothly along the extending direction of the sliding rail 111, and the specific number of the sliding bases is not limited. In the actual use process, the specific number of the sliding seats can be set according to the extension size of the base 200 along the moving direction, and if the extension size of the base 200 along the moving direction is longer, a plurality of sliding seats can be set, for example, the number of the sliding seats can be four, four sliding seats are two by two, two groups of sliding seats correspond to the two sliding rails 111 respectively, and each group of sliding seats can be set at intervals along the moving direction; if the extension of the base 200 along the moving direction is relatively short, a few sliding seats may be provided, for example, the number of the sliding seats may be two, and the two sliding seats correspond to the two sliding rails 111 respectively.

In this embodiment, the base 200 is slidably connected to the substrate 110, but in other embodiments of the present disclosure, the base 200 may be connected to the substrate 110 in a rolling manner. For example, the substrate 110 is provided with a sliding rail or a sliding groove, and the base 200 is provided with a roller, which rolls on the sliding rail or the sliding groove, so as to be movably disposed on the substrate 110.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. An amplitude modulation mechanism, comprising:

a substrate (110);

a base (200) for carrying a dynamic focusing mechanism, the base (200) being movably arranged on the substrate (110), the base (200) being provided with a cantilever, and when the base (200) moves, a gap is provided between the cantilever and the substrate (110); and

a fastener (400), the fastener (400) for securing the cantilever to the base plate (110).

2. The amplitude modulation mechanism of claim 1, further comprising a positioning member (300), the positioning member (300) having a first plate (310), a second plate (320), and a third plate (330) connected therebetween; the first plate (310) is fixedly connected to the base (200); the second plate (320) is used for being connected with the base plate (110), when the base (200) moves, a gap is formed between the second plate (320) and the base plate (110), and the second plate (320) forms the cantilever.

3. The amplitude modulation mechanism according to claim 2, wherein the second plate (320) is provided with a through hole (323); the substrate (110) is provided with a plurality of positioning holes, and each positioning hole corresponds to different marking breadth; the fastener (400) penetrates through the through hole (323) and is alternatively fixed to the positioning hole.

4. The amplitude modulation mechanism according to claim 3, wherein the third plate (330) and the through hole (323) are disposed at both ends of the second plate (320) in a length direction, respectively.

5. The amplitude modulation mechanism of claim 4 wherein the locating hole is a stepped hole comprising a threaded hole and a smooth hole that are coaxial, the diameter of the smooth hole being greater than the diameter of the threaded hole, and the depth of the smooth hole being greater than the depth of the threaded hole;

the fastener (400) comprises a threaded portion (440) and a positioning portion (430), the threaded portion (440) is matched with the threaded hole, and the positioning portion (430) is matched with the unthreaded hole.

6. The amplitude modulation mechanism of claim 5, wherein the fastener (400) further comprises a limiting portion (420), the limiting portion (420) being located on a side of the positioning portion (430) away from the threaded portion (440), the limiting portion (420) being configured to abut against the second plate (320).

7. The amplitude modulation mechanism of claim 6, wherein the fastener (400) further comprises an operating portion located on a side of the limiting portion (420) away from the positioning portion (430), the operating portion comprising a plurality of grooves (410), the plurality of grooves (410) being distributed along a circumferential direction of the fastener (400).

8. Amplitude modulation mechanism according to any one of claims 1-7, characterized in that the amplitude modulation mechanism further comprises a scale (500), wherein the scale (500) is arranged on the substrate (110), and different marks of the scale (500) correspond to different sizes of marking webs.

9. The amplitude modulation mechanism according to any one of claims 1-7, further comprising a housing (100) and a cover plate (130), wherein the housing (100) is provided with an adjustment opening (121), and the cover plate (130) is used for sealing the adjustment opening (121);

the bottom wall of the housing (100) forms the base plate (110), and the base (200) and the fastener (400) are both disposed within the housing (100).

10. A marking machine comprising a dynamic focusing mechanism and an amplitude modulation mechanism according to any one of claims 1 to 9, said dynamic focusing mechanism being arranged on a base (200) of said amplitude modulation mechanism.