Workpiece rotating device for laser engraving and laser engraving machine

Abstract

The utility model discloses a workpiece rotating device for laser engraving and a laser engraving machine, the workpiece rotating device comprises a bottom plate, a spindle box arranged on the bottom plate, and a chuck assembly and a roller assembly which are connected with the spindle box, the chuck assembly is used for clamping the end part of a columnar workpiece, and the roller assembly is used for clamping the end part of the columnar workpiece. The roller assembly is used for supporting the columnar workpiece, and the spindle box can be used for driving the chuck assembly and the roller assembly to rotate at the same time so as to drive the columnar workpiece to rotate in the circumferential direction. According to the machining device, the spindle box can control rotation of the chuck assembly and the rolling shaft assembly, two movement functions are achieved so as to achieve engraving work, the clamping and engraving machining requirements of most rotating shaft type workpieces can be met, and according to the technical scheme, the machining precision is high, the structure is simple, operation is convenient and fast, and the machining efficiency can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the field of workpiece rotating devices, in particular to a workpiece rotating device for laser engraving and a laser engraving machine. Background Art

[0002] Laser engraving is based on CNC technology and uses laser as the processing medium. The physical transformation of the processed material by instant melting and vaporization under laser irradiation achieves the purpose of processing. Characteristics of laser processing: no contact with the surface of the material, not affected by mechanical movement, the surface will not deform, and generally no need to fix. It is not affected by the elasticity and flexibility of the material, which is convenient for soft materials. It has high processing accuracy, fast speed, and a wide range of applications. With the rapid development of optoelectronic technology, the application scope of laser engraving technology is becoming more and more extensive, and the requirements for engraving accuracy are getting higher and higher. At present, in the laser engraving equipment, the workpiece to be processed will be placed on the rotating device. As the rotating device rotates, the workpiece processing is more comprehensive. However, before the existing laser engraving workpiece rotating device is used, the installation process is too complicated, which makes the installation of the rotating device inconvenient. Utility Model Content

[0003] The main purpose of the utility model is to provide a workpiece rotating device for laser engraving and a laser engraving machine, aiming to solve the above technical problems.

[0004] To achieve the above-mentioned purpose, the utility model proposes a workpiece rotating device for laser engraving, which includes a base plate, a spindle box arranged on the base plate, and a chuck assembly and a roller assembly connected to the spindle box, wherein the chuck assembly is used to clamp the end of a columnar workpiece, the roller assembly is used to support the columnar workpiece, and the spindle box can be used to simultaneously drive the chuck assembly and the roller assembly to rotate so as to drive the columnar workpiece to rotate circumferentially.

[0005] In one embodiment, the workpiece rotating device for laser engraving further includes a transmission assembly connected to the spindle box, and the transmission assembly is connected to the chuck assembly and the roller assembly.

[0006] In one embodiment, the chuck assembly includes a mounting base and a clamping jaw disposed on the mounting base, wherein the clamping jaw has a clamping groove for clamping the columnar workpiece.

[0007] In one embodiment, the clamping claw has a plurality of claw arms extending outward, and the plurality of claw arms are inclined toward the axial center side of the mounting base so that the cross-sectional area of ​​the clamping groove extending outward from the mounting base gradually decreases.

[0008] In one embodiment, the roller assembly includes a first rolling shaft and a second rolling shaft, the first rolling shaft and the second rolling shaft are arranged at an interval, and a supporting gap for supporting the columnar workpiece is provided between the first rolling shaft and the second rolling shaft.

[0009] In one embodiment, the transmission assembly includes a driving motor, a first transmission wheel group and a second transmission wheel group arranged in the spindle box, the first end of the first transmission wheel group is connected to the output shaft of the driving motor, the second end of the first transmission wheel group is connected to the roller assembly, the first end of the second transmission wheel group is connected to the first transmission wheel group, and the second end of the second transmission wheel group is connected to the chuck assembly.

[0010] In one embodiment, the first transmission wheel group includes a first transmission shaft, a second transmission shaft, a third transmission shaft and a first connecting belt, the second transmission shaft and the third transmission shaft are respectively connected to the first rolling shaft and the second rolling shaft, the first transmission shaft is provided with a first meshing gear portion, the second transmission shaft and the third transmission shaft are respectively provided with a second meshing gear portion and a third meshing gear portion, and the first connecting belt is simultaneously mounted on the first meshing gear portion, the second meshing gear portion and the third meshing gear portion.

[0011] In one embodiment, the roller assembly also includes a support plate, and the second transmission shaft and the third transmission shaft are both arranged through the support plate. The support plate is provided with a mounting hole, and a movable belt pressure wheel is provided in the mounting hole. The belt pressure wheel is located between the second transmission shaft and the third transmission shaft and is supported on the outer wall surface of the first connecting belt.

[0012] In one embodiment, the second transmission wheel set includes a second connecting belt and a synchronous wheel, a fourth meshing gear portion is provided on the first transmission shaft, the second connecting belt is simultaneously mounted on the fourth meshing gear portion and the synchronous wheel, and the synchronous wheel is connected to the chuck assembly through a coupling.

[0013] In addition, the utility model further provides a laser engraving machine, which includes an engraving machine body and the workpiece rotating device for laser engraving as described above which is slidably arranged on the engraving machine body.

[0014] In the technical solution of the utility model, the workpiece rotating device for laser engraving includes a base plate, a spindle box arranged on the base plate, and a chuck assembly and a roller assembly connected to the spindle box, wherein the chuck assembly is used to clamp the end of a columnar workpiece, the roller assembly is used to support the columnar workpiece, and the spindle box can be used to simultaneously drive the chuck assembly and the roller assembly to rotate so as to drive the columnar workpiece to rotate circumferentially. Therefore, in the present application, the spindle box can control the rotation of the chuck assembly and the roller assembly to realize two motion functions to realize the engraving work, and can meet the clamping and engraving processing requirements of most rotating axis workpieces, and the technical solution of the present application has high processing accuracy, simple structure, convenient operation, and can effectively improve processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0016] Figure 1 This is a schematic structural diagram of a workpiece rotating device for laser engraving according to an embodiment of the utility model;

[0017] Figure 2 It is a schematic structural diagram of another state of the workpiece rotating device for laser engraving according to an embodiment of the utility model;

[0018] Figure 3 It is a structural schematic diagram of a transmission assembly of an embodiment of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the tilting assembly of an embodiment of the utility model;

[0020] Figure 5 The figure is a schematic structural diagram of a laser engraving machine according to an embodiment of the utility model.

[0021] Explanation of the accompanying drawings: 10, base plate; 20, spindle box; 21, connecting terminal; 30, chuck assembly; 31, mounting base; 32, claw; 33, claw arm; 34, holding groove; 40, roller assembly; 41, first rolling shaft; 42, second rolling shaft; 43, support gap; 44, support plate; 45, mounting hole; 50, transmission assembly; 51, drive motor; 52, first transmission wheel group; 521, first transmission shaft; 522, second transmission shaft; 523, third transmission shaft; 524, first connecting belt; 525, first meshing gear portion; 526, second meshing gear portion; 527, belt pressure roller; 53, second transmission wheel group; 531, second connecting belt; 532, synchronous wheel; 60, tilting assembly; 61, turning handle; 62, first rotating gear; 63, second rotating gear.

[0022] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0025] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0026] Furthermore, the technical solutions of the various embodiments of the present invention may be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in the field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0027] like Figure 5As shown, the utility model provides a laser engraving machine 100, which includes an engraving machine body and a workpiece rotating device 200 for laser engraving that is slidably arranged on the engraving machine body. The workpiece rotating device 200 can rotate by clamping a columnar workpiece 300, so that the engraving machine body can engrave on the columnar workpiece 300.

[0028] like Figure 1-2 As shown, the workpiece rotating device 200 for laser engraving provided by the embodiment of the utility model comprises a base plate 10, a spindle box 20 arranged on the base plate 10, a chuck assembly 30 and a roller assembly 40 connected to the spindle box 20, and a tilting assembly 60, wherein the chuck assembly 30 is used to clamp the end of the columnar workpiece 300, the roller assembly 40 is used to support the columnar workpiece 300, the spindle box 20 can be used to simultaneously drive the chuck assembly 30 and the roller assembly 40 to rotate to drive the columnar workpiece 300 to rotate circumferentially, and the tilting assembly 60 is connected to the spindle box 20 to adjust the inclination angle of the clamping claw 32 assembly through the spindle box 20. In this embodiment, the spindle box 20 can control the rotation of the chuck assembly 30 and the roller assembly 40 to realize two motion functions to realize the engraving work, which can meet the clamping and engraving processing requirements of most rotating axis workpieces, and the technical solution of the present application can also drive the spindle box 20 to adjust the inclination angle of the clamping claw 32 assembly by the tilting assembly 60.

[0029] Specifically, please refer to Figure 4 The tilting assembly 60 includes a mounting box disposed outside the base, and a first rotating gear 62 and a second rotating gear 63 are provided in the mounting box, which are meshed with each other. The second rotating gear 63 is connected to the outer wall of the spindle box 20 through a rotating shaft, and the first rotating gear 62 is also connected to the rotating handle 61 outside the mounting box through a rotating shaft. Please refer to Figure 2 When the handle 61 is rotated, the first rotating gear 62 and the second rotating gear 63 drive the spindle box 20 to tilt, thereby driving the chuck assembly 30 to tilt.

[0030] Please refer to Figure 3 and Figure 4 The chuck assembly 30 includes a mounting base 31 and a clamping claw 32 disposed on the mounting base 31. The clamping claw 32 has a clamping groove 34 for clamping the columnar workpiece 300. The clamping claw 32 has a plurality of claw arms 33 extending outward. The plurality of claw arms 33 are inclined toward the axis side of the mounting base 31 so that the cross-sectional area of ​​the clamping groove 34 extending outward from the mounting base 31 gradually decreases. In this embodiment, the area of ​​the clamping groove 34 gradually decreases, so that the columnar workpiece 300 can be firmly clamped by the claw arms 33 to prevent the columnar workpiece 300 from falling.

[0031] In the above embodiment, the workpiece rotating device 200 for laser engraving further includes a transmission assembly 50 connected to the spindle box 20, and the transmission assembly 50 is connected to the chuck assembly 30 and the roller assembly 40. In this embodiment, the transmission assembly 50 can be driven by the spindle box 20 to drive the rotation of the chuck assembly 30 and the roller assembly 40, wherein the spindle box 20 is provided with a connection terminal 21, and can be connected to the laser engraving machine 100 through the connection terminal 21 to achieve driving.

[0032] The roller assembly 40 includes a first rolling shaft 41 and a second rolling shaft 42, the first rolling shaft 41 and the second rolling shaft 42 are arranged at intervals, and a support gap 43 for supporting the columnar workpiece 300 is provided between the first rolling shaft 41 and the second rolling shaft 42. In this embodiment, by arranging the columnar workpiece 300 in the support gap 43, the rotation of the first rolling shaft 41 and the second rolling shaft 42 assists the rotation of the columnar workpiece 300.

[0033] Specifically, the transmission assembly 50 includes a driving motor 41, a first transmission wheel group 52 and a second transmission wheel group 53 arranged in the spindle box 20, the first end of the first transmission wheel group 52 is connected to the output shaft of the driving motor 41, the second end of the first transmission wheel group 52 is connected to the roller assembly 40, the first end of the second transmission wheel group 53 is connected to the first transmission wheel group 52, and the second end of the second transmission wheel group 53 is connected to the chuck assembly 30.

[0034] The first transmission wheel assembly 52 includes a first transmission shaft 521, a second transmission shaft 522, a third transmission shaft 523 and a first connecting belt 524. The second transmission shaft 522 and the third transmission shaft 523 are connected to the first rolling shaft 41 and the second rolling shaft 42 respectively. The first transmission shaft 521 is provided with a first meshing gear portion 525. The second transmission shaft 522 and the third transmission shaft 523 are provided with a second meshing gear portion 526 and a third meshing gear portion respectively. The first connecting belt 524 is simultaneously mounted on the first meshing gear portion 525, the second meshing gear portion 526 and the third meshing gear portion. In this embodiment, the first transmission shaft 521 is driven to rotate by the operation of the driving motor 41. The first transmission shaft 521 drives the first transmission shaft 521 and the second transmission shaft 522 to rotate through the first connecting belt 524, thereby driving the first rolling shaft 41 and the second rolling shaft 42 to rotate.

[0035] In addition, the roller assembly 40 further includes a support plate 44, the second transmission shaft 522 and the third transmission shaft 523 are both provided through the support plate 44, the support plate 44 is provided with a mounting hole 45, a movable belt-pressing wheel 527 is provided in the mounting hole 45, the belt-pressing wheel 527 is located between the second transmission shaft 522 and the third transmission shaft 523 and abuts against the outer wall surface of the first connecting belt 524. In this embodiment, the belt-pressing wheel 527 is provided to improve the transmission stability of the connecting belt, and in order to facilitate the belt-pressing wheel 527 to be in correct crimping, the belt-pressing wheel 527 can be adjusted by sliding in the mounting hole 45.

[0036] Meanwhile, the second transmission wheel set 53 includes a second connection belt 531 and a synchronous wheel 532. The first transmission shaft 521 is provided with a fourth meshing gear portion. The second connection belt 531 is simultaneously mounted on the fourth meshing gear portion and the synchronous wheel 532. The synchronous wheel 532 is connected to the chuck assembly 30 via a coupling. When the first transmission shaft 521 rotates, the synchronous wheel 532 is driven to rotate via the second connection belt 531, thereby driving the chuck assembly 30 to rotate. It can be understood that the tilting angle of the tilting assembly 60 is small. Even in the process of tilting, the second connection belt 531 can also be used normally, and the synchronous wheel 532 is driven to rotate via the first transmission shaft 521.

[0037] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the concept of the utility model, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A workpiece rotating device for laser engraving, characterized in that: The workpiece rotating device for laser engraving comprises a base plate (10), a spindle box (20) arranged on the base plate (10), and a chuck assembly (30) and a roller assembly (40) connected to the spindle box (20), wherein the chuck assembly (30) is used to clamp the end of a columnar workpiece (300), and the roller assembly (40) is used to support the columnar workpiece (300), and the spindle box (20) can be used to simultaneously drive the chuck assembly (30) and the roller assembly (40) to rotate so as to drive the columnar workpiece (300) to rotate in a circumferential direction.

2. The workpiece rotating device for laser engraving according to claim 1, characterized in that: The workpiece rotating device for laser engraving further comprises a transmission assembly (50) connected to the spindle box (20), and the transmission assembly (50) is connected to the chuck assembly (30) and the roller assembly (40).

3. The workpiece rotating device for laser engraving according to claim 2, characterized in that: The chuck assembly (30) comprises a mounting base (31) and a clamping claw (32) arranged on the mounting base (31), wherein the clamping claw (32) has a clamping groove (34) for clamping the columnar workpiece (300).

4. The workpiece rotating device for laser engraving according to claim 3, characterized in that: The clamping claw (32) has a plurality of claw arms (33) extending outwardly, and the plurality of claw arms (33) are inclined toward the axial center side of the mounting base (31) so that the cross-sectional area of ​​the clamping groove (34) extending outwardly from the mounting base (31) gradually decreases.

5. The workpiece rotating device for laser engraving according to claim 2, characterized in that: The roller assembly (40) comprises a first rolling shaft (41) and a second rolling shaft (42), wherein the first rolling shaft (41) and the second rolling shaft (42) are arranged at an interval, and a supporting gap (43) for supporting the columnar workpiece (300) is provided between the first rolling shaft (41) and the second rolling shaft (42).

6. The workpiece rotating device for laser engraving according to claim 5, characterized in that: The transmission assembly (50) comprises a driving motor (51), a first transmission wheel group (52) and a second transmission wheel group (53) which are arranged in the spindle box (20), wherein a first end of the first transmission wheel group (52) is connected to an output shaft of the driving motor (51), a second end of the first transmission wheel group (52) is connected to the roller assembly (40), a first end of the second transmission wheel group (53) is connected to the first transmission wheel group (52), and a second end of the second transmission wheel group (53) is connected to the chuck assembly (30).

7. The workpiece rotating device for laser engraving according to claim 6, characterized in that: The first transmission wheel group (52) comprises a first transmission shaft (521), a second transmission shaft (522), a third transmission shaft (523) and a first connecting belt (524); the second transmission shaft (522) and the third transmission shaft (523) are respectively connected to the first rolling shaft (41) and the second rolling shaft (42); the first transmission shaft (521) is provided with a first meshing gear portion (525); the second transmission shaft (522) and the third transmission shaft (523) are respectively provided with a second meshing gear portion (526) and a third meshing gear portion; the first connecting belt (524) is simultaneously mounted on the first meshing gear portion (525), the second meshing gear portion (526) and the third meshing gear portion.

8. The workpiece rotating device for laser engraving according to claim 7, characterized in that: The roller assembly (40) further comprises a support plate (44), the second transmission shaft (522) and the third transmission shaft (523) are both passed through the support plate (44), a mounting hole (45) is provided on the support plate (44), a movable belt-pressing wheel (527) is provided in the mounting hole (45), the belt-pressing wheel (527) is located between the second transmission shaft (522) and the third transmission shaft (523) and is supported against the outer wall surface of the first connecting belt (524).

9. The workpiece rotating device for laser engraving according to claim 8, characterized in that: The second transmission wheel assembly (53) comprises a second connecting belt (531) and a synchronous wheel (532); a fourth meshing gear portion is provided on the first transmission shaft (521); the second connecting belt (531) is simultaneously mounted on the fourth meshing gear portion and the synchronous wheel (532); and the synchronous wheel (532) is connected to the chuck assembly (30) via a coupling.

10. A laser engraving machine, characterized in that: The laser engraving machine (100) comprises an engraving machine body and a workpiece rotating device (200) for laser engraving according to any one of claims 1 to 9, which is slidably arranged on the engraving machine body.

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