CN210359827U - Focusing jig and laser coding device - Google Patents

Abstract

The utility model relates to a focus tool and laser coding device. A focusing jig comprises a supporting cover and a supporting seat; the supporting cover comprises a first end and a second end, the first end is used for installing a square head, and the light emitting part of the square head faces the second end; the supporting seat is used for clamping a workpiece to be coded, and the supporting seat is arranged at the second end in a sliding mode, so that the distance between the supporting seat and the square head of the supporting cover is adjustable. A laser coding device comprises the focusing jig. The tool of focusing in this application is applied to on the laser coding device, and the distance through supporting shroud and supporting seat is adjustable, has that the speed of focusing is fast, focus the accuracy and beat the advantage that the sign indicating number effect is stable.

Description

Focusing jig and laser coding device

Technical Field

The utility model relates to a laser beam machining technical field especially relates to a tool and laser coding device focus.

Background

In order to record information such as the model number of a product, identification is often required to be made on the surface of the product. At present, laser processing is widely applied to the field of coding identification.

The coding device generally comprises a laser emitting device, a vibrating mirror group and a workbench. And placing a product to be coded on a workbench, and then carrying out a focusing process so that the focal point of the laser acts on the surface of the product.

The traditional coding equipment is slow in focusing speed and low in working efficiency.

SUMMERY OF THE UTILITY MODEL

Accordingly, it is desirable to provide a focusing fixture and a laser coding device for solving the above problems.

A focusing jig comprises:

the supporting cover comprises a first end and a second end, the first end is used for mounting a square head, and the light emitting part of the square head faces the second end; and

the supporting seat is used for clamping a workpiece to be coded, and the supporting seat is arranged at the second end in a sliding mode, so that the distance between the supporting seat and the square head of the supporting cover is adjustable.

In one embodiment, the second end or the support cover is provided with a strip-shaped hole, the length of the strip-shaped hole extends along the direction from the first end to the second end, the focusing jig further comprises a locking piece, and after the distance between the support seat and the square head is adjusted, the locking piece penetrates through the strip-shaped hole to enable the support seat to be locked on the support cover.

In one embodiment, the supporting cover at least includes four main rods and a branch rod for connecting the main rods, two ends of the main rods are the first end and the second end respectively, and the main rods and the branch rod are fixedly connected to make the supporting cover be in a frame structure.

In one embodiment, the supporting seat comprises at least four fixedly connected side walls, and a plurality of side walls surround a hollow annular structure.

In one embodiment, the side wall is provided with a positioning groove for positioning a workpiece to be coded.

In one embodiment, a reinforcing wall is arranged on one side of the side wall facing the middle part of the supporting seat, and the reinforcing walls of the adjacent side walls are fixedly connected.

A laser coding device comprises the focusing jig.

In one embodiment, the laser coding device comprises a frame, and the focusing jig is rotatably connected to the frame.

In one embodiment, the focusing fixture is rotatably connected to the frame so that the first end and the second end of the support cover can be in a horizontal position, or the first end and the second end of the support cover can be in a vertical position.

In one embodiment, the laser coding device further comprises a locking piece, and after the focusing jig rotates relative to the rack to adjust the position, the focusing jig is locked on the rack through the locking piece.

Has the advantages that: the focusing jig is applied to the laser coding device, firstly selects a proper lens of the laser coding device, and adjusts the relative position relation between the supporting cover and the supporting seat according to the focal length of the lens. When the code is printed, the workpiece is attached to the supporting seat, the workpiece can quickly find the focusing position through the supporting seat, and the automatic code printing device has the advantages of high focusing speed, focusing accuracy and stable code printing effect.

Drawings

FIG. 1 is a schematic structural diagram of a laser coding device according to an embodiment of the present application;

FIG. 2 is a schematic view of another operating state of the laser coding device shown in FIG. 1;

FIG. 3 is an exploded view of a portion of the laser coding device shown in FIG. 1;

FIG. 4 is a schematic structural diagram of a base of a laser coding device according to an embodiment of the present application;

FIG. 5 is a schematic view of a rotating block of a laser coding device according to an embodiment of the present application;

FIG. 6 is a schematic diagram of a platen of a laser coding device in an embodiment of the present application;

FIG. 7 is a schematic structural diagram of a mounting plate of a laser coding device in one embodiment of the present application;

FIG. 8 is a schematic structural view of a support housing of a laser coding device in an embodiment of the present application;

fig. 9 is a schematic structural diagram of a support base of a laser coding device in an embodiment of the present application.

Reference numerals: 100. a frame; 110. a vertical guide; 200. a work table; 210. an insertion wall; 300. a square head; 310. a light-emitting part; 400. a rotating device; 410. rotating the block; 411. a housing member; 412. a projecting member; 413. a right-angle groove; 414. connecting a threaded hole; 420. pressing a plate; 421. an outlet hole; 422. an arc-shaped slot; 430. a locking member; 440. a base; 441. a groove; 442. a bump; 443. a recessed groove; 450. mounting a plate; 451. mounting holes; 500. a focusing jig; 510. a supporting seat; 511. a strip-shaped hole; 512. a side wall; 513. positioning a groove; 514. a reinforcing wall; 520. a support housing; 521. a first end; 522. a second end; 523. a main rod; 524. a support rod.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Fig. 1 is a schematic structural diagram of a laser coding device in one embodiment, and the laser coding device includes a frame 100, a workbench 200, a laser, and a square head 300. Wherein the work table 200 and the square head 300 are both carried on the frame 100. The working platform 200 is used for bearing products to be coded, and for some special workpieces which are difficult to bear through the working platform 200, such as cylindrical liquefied gas tanks, the workpieces can be fixed through additional supports. The laser is used for emitting laser light, and the square head 300 is used for changing the propagation direction of the laser light so as to apply the laser light to the surface of a workpiece to be coded.

As shown in fig. 1, the light emitting portion 310 of the square head 300 is provided to face downward to emit laser light onto the table 200 located below the square head 300. For small workpieces to be coded, such as pop-top cans, it can be carried on the workbench 200 for coding. However, in the case of a large workpiece such as a liquefied gas tank, the space reserved between the table 200 and the square head 300 is not sufficient for placing the large workpiece, and further, since the size of the workpiece to be coded greatly varies, the focusing operation of the laser coding device is difficult. Fig. 2 is a schematic view of another working state of the laser coding device shown in fig. 1, and as shown in fig. 1 and fig. 2, the laser coding device further includes a rotating device 400, and the rotating device 400 is connected to the square head 300 and the frame 100, so that the direction of the light emitting portion 310 of the square head 300 can be changed, for example, vertical light emitting or horizontal light emitting. As shown in fig. 2, the light-emitting portion 310 of the square head 300 faces the right end, and a product to be coded is placed at the right end of the square head 300 in an external supporting manner, so that the problem that the reserved space between the workbench 200 and the square head 300 is not enough for placing a large workpiece is solved. When the code is printed, a product to be printed is placed at the right end of the laser code printing device, the position of the product to be printed is horizontally moved so as to approximately move the surface to be printed to the focusing range of the laser code printing device, and then focusing and code printing operations are performed.

Fig. 3 is a partial exploded view of the laser coding device shown in fig. 1, and as shown in fig. 3, a rotating device 400 includes a rotating block 410, a pressing plate 420, and a locking member 430. The rotating block 410 comprises a receiving part 411 and an extending part 412, and the receiving part 411 and the extending part 412 can be fixedly connected with each other; in the state shown in fig. 3, the right end of the pressing plate 420 is coupled to the frame 100 to restrain the rotary block 410 between the pressing plate 420 and the frame 100, thereby rotatably coupling the rotary block 410 to the frame 100. Specifically, the pressing plate 420 is provided with a protruding hole 421, and the protruding member 412 of the rotating block 410 passes through the protruding hole 421 for connecting the square head 300. The pressing plate 420 is provided with an arc-shaped slot 422, and the locking member 430 passes through the arc-shaped slot 422 to lock the rotating block 410 to the frame 100. When the angle adjusting mechanism is used, the locking member 430 moves in the arc-shaped slot 422 when the relative angle between the rotating block 410 and the rack 100 is adjusted, and after the relative angle between the rotating block 410 and the rack 100 is adjusted, the rotating block 410 is locked on the rack 100 through the locking member 430, and after the locking, the rotating block 410 cannot rotate relative to the rack 100.

In one embodiment, the rotating apparatus 400 includes a base 440 mounted on the rack 100, the base 440 is used to connect the rack 100 and the rotating block 410, fig. 4 is a schematic structural diagram of the base 440 in one embodiment, and fig. 5 is a schematic structural diagram of the rotating block 410 in one embodiment; the base 440 is used for being fixed on the rack 100, a groove 441 is formed in the base 440, the groove 441 is used for accommodating the accommodating piece 411 of the rotating block 410, and after the rotating block 410 is installed in the groove 441, the rotating piece can rotate in the installation groove. Fig. 6 is a schematic structural diagram of a pressing plate 420 in an embodiment, the pressing plate 420 may be connected to a base 440 by screws, the pressing plate 420 is provided with a protruding hole 421, a protruding member 412 of a rotating block 410 can pass through the protruding hole 421 on the pressing plate 420, a receiving member 411 of the rotating block 410 cannot pass through the protruding hole 421 on the pressing plate 420, when the pressing plate 420 is mounted on the base 440 by screws, the protruding hole 421 is communicated with a groove 441 on the base 440, so that the protruding member 412 of the rotating block 410 can protrude from the protruding hole 421 on the pressing plate 420, and the pressing plate 420 covers the groove 441 on the base 440 to limit the receiving member 411 in the groove 441. In other embodiments, the base 440 may not be provided, and the groove may be directly provided on the frame 100.

In one embodiment, as shown in fig. 5, the rotating block 410 is a solid of revolution as a whole, for example, the receiving part 411 and the protruding part 412 of the rotating block 410 are both cylindrical or substantially cylindrical, wherein the cylindrical radius of the receiving part 411 is larger than that of the protruding part 412. The receiving member 411 is fixed to one end of the receiving member 411, and the rotating shafts of the protruding member 412 and the receiving member 411 are overlapped. As shown in fig. 5, a right-angle groove 413 is formed between the accommodating member 411 and the protruding member 412, and two walls of the right-angle groove 413 are respectively a bottom wall of the accommodating member 411 and an arc-shaped side wall of the protruding member 412.

In one embodiment, as shown in fig. 6, the pressure plate 420 is provided with a protruding hole 421 and an arc-shaped slot 422, the protruding hole 421 is a circular hole, and the center of the circle of the arc-shaped slot 422 coincides with the central axis of the protruding hole 421. The diameter of the extension hole 421 is substantially the same as the diameter of the cylinder of the extension member 412, and when the extension member 412 is inserted into the extension hole 421, the center of the circle where the arc-shaped groove 422 is located substantially coincides with the rotation axis of the rotation block 410. After the pressing plate 420 is mounted on the base 440, the front projection of the arc-shaped slot 422 of the pressing plate 420 is dropped into the groove 441 of the base 440, so that the locking member 430 can be directly connected to the receiving member 411 in the groove 441 after passing through the arc-shaped slot 422. As shown in fig. 5, the receiving member 411 is provided with a screw coupling hole 414, and the locking member 430 is screwed into the screw coupling hole 414 after passing through the arc-shaped slot 422.

In one embodiment, as shown in fig. 1, the rotating device 400 further includes a mounting plate 450, one end of the mounting plate 450 is connected to the protruding member 412 of the rotating block 410, and the other end is connected to the square head 300. Fig. 7 is a schematic structural diagram of the mounting plate 450 in an embodiment, the mounting plate 450 may be a rectangular plate-shaped structure, and a plurality of mounting holes 451 are formed in the mounting plate 450, the square head 300 is mounted on the mounting plate 450 by bolts passing through the mounting holes 451, and the mounting plate 450 may also be mounted on the protruding member 412 of the rotating block 410 by bolts passing through the mounting holes 451.

The installation process is, as shown in fig. 3, to assemble the installation plate 450, the locker 430, the pressing plate 420, the rotation block 410, and the base 440 in sequence, and the pressing plate 420 is locked to the base 440 by bolts, i.e., the pressing plate 420 is fixed with respect to the base 440. The locking member 430 passes through the arc-shaped slot 422 on the pressing plate 420 and is connected in the threaded connecting hole 414 of the accommodating member 411, when the rotating block 410 is rotated, the locking member 430 moves along with the rotating block 410, the moving path of the locking member 430 is along the arc-shaped slot 422 on the pressing plate 420, the length of the arc-shaped slot 422 limits the moving range of the locking member 430, and further limits the rotating angle of the rotating block 410. As shown in fig. 1 and 2, the square head 300 is mounted on the rotary block 410, and the square head 300 is rotated in synchronization with the rotary block 410. In general, the square head 300 is operated in a state where light is emitted vertically downward as shown in fig. 1 and horizontally as shown in fig. 2, and thus the rotation angle of the square head 300 is at least 90 °. Specifically, the rotation angle of the square head 300 is controlled by the cooperation of the locker 430 and the arc-shaped groove 422; in one embodiment, locking members 430 are respectively positioned at two ends of the range of motion of arcuate slot 422, and locking members 430 are respectively positioned at an angle of at least 90 ° with respect to two lines connecting the pivot axes of rotating block 410, such that the range of rotation of rotating block 410 is at least 90 °.

As shown in fig. 4 and 5, in one embodiment, the rotation angle of the square head 300 may be further limited by the following structure. As shown in fig. 4, a protrusion 442 is disposed on an inner sidewall of the groove 441, a recess 443 is disposed on an outer circumference of the receiving member 411 of the rotary block 410, and when the receiving member 411 is mounted in the groove 441, the protrusion 442 is received in the recess 443, and by controlling a length of the recess 443, a movement range of the protrusion 442 with respect to the recess 443 is controlled, and a rotation angle of the rotary block 410 is further controlled, thereby further controlling a rotation angle of the square head 300.

In one embodiment, as shown in fig. 1, the focusing fixture 500 further includes a supporting base 510 and a supporting cover 520 for fixing the square head 300, the supporting base 510 and the worktable 200 cooperate to fix the workpiece to be coded, and a distance between the supporting base 510 and the supporting cover 520 is adjustable so that a distance between the light-emitting portion 310 of the square head 300 and the supporting base 510 is adjustable. Due to the fact that different lenses have different focal lengths, during work, a required lens is selected firstly, then the distance between the supporting cover 520 and the supporting seat 510 or the relative position of the supporting cover 520 and the supporting seat 510 is adjusted according to the focal length of the corresponding lens, then a workpiece to be coded is placed on the workbench 200, the workbench 200 is moved up and down, the workpiece to be coded is abutted to the supporting seat 510, and therefore rapid focusing is achieved.

In one embodiment, the table 200 is slidably coupled to the frame 100 to allow for elevation adjustment of the table 200 relative to the frame 100. As shown in fig. 1, for example, two vertical guides 110 are disposed on one side of the rack 100, and the vertical guides 110 may be sliding grooves or sliding rails, and the vertical guides 110 are exemplified as sliding grooves in the following description. Two insertion walls 210 respectively inserted into the vertical guides 110 are provided on the table 200, and the insertion walls 210 and the vertical guides 110 cooperate to guide the vertical movement of the table 200. In some embodiments, a lifting assembly is disposed within the frame 100 for driving the table 200 in a lifting motion. The lifting assembly may include a motor and a screw rod driven by the motor, the screw rod is screwed on one of the insertion walls 210, the motor drives the screw rod to rotate, and the screw rod is matched with the screw thread of the insertion wall 210 to realize the lifting of the insertion wall 210, so as to realize the lifting of the working table 200.

Fig. 8 is a schematic structural view of a support cover 520 in an embodiment, and fig. 9 is a schematic structural view of a support base 510 in an embodiment. In one embodiment, as shown in fig. 8, the support cover 520 includes a first end 521 and a second end 522, the first end 521 is used for mounting the square head 300, and the light emitting portion 310 of the square head 300 faces the second end 522. As shown in fig. 9, the supporting base 510 is used for holding a workpiece to be coded, and the supporting base 510 can be slidably connected to the second end 522 of the supporting cover 520, so that the distance between the supporting cover 520 and the square head 300 of the supporting base 510 can be adjusted. For example, the support base 510 is provided with an elongated hole 511, the focusing jig 500 further comprises a locking member like a bolt, the locking member passes through the elongated hole 511 and can slide along the length direction of the elongated hole 511, the square head 300 is mounted at the first end 521 of the support cover 520, and after the distance between the support base 510 and the square head 300 is adjusted, the locking member passes through the elongated hole 511 to lock the support base 510 to the support cover 520.

In other embodiments, an elongated hole may be disposed at the second end 522 of the support cover 520, and the elongated hole extends along the direction from the first end 521 to the second end 522 of the support cover 520. After the support base 510 is adjusted in position in the direction from the first end 521 to the second end 522, the support base 510 is locked to the support cover 520 by a locking member. The workpiece to be coded can be fixed through the matching of the supporting seat 510 and the supporting cover 520. The support base 510 can not only fix the workpiece to be coded, but also focus quickly. For example, after the relative position or the relative distance between the supporting seat 510 and the supporting cover 520 is determined corresponding to a lens, the relative position between the supporting seat 510 and the supporting cover 520 is locked by the locking member, and when different workpieces are coded, focusing can be performed quickly only by abutting different workpieces against the supporting seat 510.

In one embodiment, as shown in fig. 8, the support housing 520 includes at least four main rods 523 and struts 524 for connecting the main rods 523, two ends of the main rods 523 are a first end 521 and a second end 522 of the support housing 520, respectively, and the main rods 523 and the struts 524 are fixedly connected to make the support housing 520 have a frame structure, so that the support housing 520 can support the square head 300. The weight of the support housing 520 is greatly reduced due to the light weight of the frame structure. Particularly, for the embodiment in which the square head 300 is rotatably mounted on the frame 100, in order to facilitate the rotation of the square head 300 and the focusing jig 500, the support cover 520 mounted on the square head 300 needs to have a light weight. Further, the frame structure formed by the main rod 523 and the supporting rod 524 greatly enhances the strength of the overall structure of the focusing jig 500.

In one embodiment, as shown in fig. 9, the supporting base 510 includes at least four fixedly connected sidewalls 512, and the sidewalls 512 surround a hollow ring structure. The support base 510 may be covered outside the four main rods 523 of the support cover 520 during installation, or the support base 510 may be installed between the four main rods 523 of the support cover 520.

In one embodiment, as shown in FIG. 9, the side wall 512 is provided with a positioning slot 513 for positioning or retaining the product to be coded. Specifically, the positioning groove 513 is arranged on one group of opposite side walls 512 of the four side walls 512, the positioning groove 513 can be a trapezoidal groove, a cylindrical workpiece can be better clamped through the trapezoidal groove, the workpiece is positioned, and the workpiece is prevented from moving when being coded.

In one embodiment, as shown in fig. 9, the side wall 512 facing the middle of the support seat 510 is provided with a reinforcing wall 514, and the reinforcing walls 514 of the adjacent side walls 512 are fixedly connected. Specifically, the reinforcing wall 514 may be formed by bending the side wall 512, the reinforcing wall 514 may be perpendicular to the side wall 512, and the adjacent reinforcing walls 514 may be connected by welding. For another example, the reinforcing wall 514 is integrally formed as a complete ring structure, and the reinforcing wall 514 is fixedly connected to the sidewall 512 by welding. The reinforcing wall 514 supports the side wall 512, so that the bending resistance of the annular supporting seat 510 is greatly improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A focusing jig is characterized by comprising:

the supporting cover comprises a first end and a second end, the first end is used for mounting a square head, and the light emitting part of the square head faces the second end; and

the supporting seat is used for clamping a workpiece to be coded, and the supporting seat is arranged at the second end in a sliding mode, so that the distance between the supporting seat and the square head of the supporting cover is adjustable.

2. The focusing jig of claim 1, wherein the second end or the support cover is provided with a strip-shaped hole, the length of the strip-shaped hole extends along the direction from the first end to the second end, the focusing jig further comprises a locking member, and after the distance between the support seat and the square head is adjusted, the locking member penetrates through the strip-shaped hole to lock the support seat on the support cover.

3. The focusing fixture according to claim 1, wherein the supporting cover comprises at least four main rods and a supporting rod for connecting the main rods, two ends of the main rods are the first end and the second end, respectively, and the main rods and the supporting rod are fixedly connected to make the supporting cover have a frame structure.

4. The focusing fixture of claim 1, wherein the supporting base comprises at least four fixedly connected side walls, and a plurality of side walls surround a hollow annular structure.

5. The focusing fixture of claim 4, wherein the side wall is provided with a positioning groove for positioning a workpiece to be coded.

6. The focusing fixture of claim 4, wherein a reinforcing wall is disposed on one side of the side wall facing the middle portion of the supporting seat, and the reinforcing walls of the adjacent side walls are fixedly connected.

7. A laser coding device, comprising the focusing jig of any one of claims 1 to 6.

8. The laser coding device of claim 7, wherein the laser coding device comprises a frame, and the focusing fixture is rotatably connected to the frame.

9. The laser coding device of claim 8, wherein the focusing fixture is rotatably connected to the frame such that the first end and the second end of the support cover can be in a horizontal position or the first end and the second end of the support cover can be in a vertical position.

10. The laser coding device of claim 8, further comprising a locking member, wherein the focusing fixture is locked to the frame by the locking member after the focusing fixture rotates to adjust the position relative to the frame.

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