阅读说明：本技术 一种激光打印装置、激光打印方法 (Laser printing device and laser printing method ) 是由 廖启泽 程文浩 于 2020-12-31 设计创作，主要内容包括：本发明公开了一种激光打印装置,包括连接筒体、激光发生器、用于抽吸所述连接筒体内气体的抽真空设备,所述连接筒体的一端与所述激光发生器抵接,所述连接筒体的另一端用于与待打印产品抵接,所述激光发生器封堵所述连接筒体的端部。抽真空设备能够减少连接筒体内的空气,减少空气对激光产生的折射,使激光能够准确到达待打印区域,提高打印质量。(The invention discloses a laser printing device which comprises a connecting cylinder body, a laser generator and vacuumizing equipment for sucking gas in the connecting cylinder body, wherein one end of the connecting cylinder body is abutted against the laser generator, the other end of the connecting cylinder body is abutted against a product to be printed, and the laser generator plugs the end part of the connecting cylinder body. The vacuumizing equipment can reduce air in the connecting cylinder body, and reduce the refraction of the air to the laser, so that the laser can accurately reach the area to be printed, and the printing quality is improved.)

1. The utility model provides a laser printing device, its characterized in that, including connecting barrel, laser generator, being used for the suction the evacuation equipment of internal gas of connecting barrel, the one end of connecting barrel with the laser generator butt, the other end of connecting barrel be used for with wait to print the product butt, the laser generator shutoff the tip of connecting barrel.

2. The laser printing device of claim 1, wherein a sealing ring is disposed on an end surface of the connection cylinder body away from the laser generator.

3. The laser printing apparatus according to claim 1, wherein the connection cylinder further includes at least three position detection mechanisms arranged in a circumferential direction of the connection cylinder.

4. The laser printing device according to claim 3, further comprising a rail structure fixedly connected to the connection cylinder, the rail structure extending in an axial direction of the connection cylinder; the position detection mechanism comprises a sliding body, the sliding body is connected with the guide rail structure in a sliding mode, and a signal sensor used for being abutted to a product to be printed is arranged at one end, away from the laser generator, of the sliding body; still include the elastic component, the one end of elastic component with connect the barrel and be connected, the other end of elastic component with the slider is connected, the slider has towards the removal route that laser generator removed.

5. The laser printing device according to claim 3, further comprising a first fixing seat and a second fixing seat fixedly connected to the connecting cylinder, wherein the first fixing seat and the second fixing seat are arranged at intervals along an axial direction of the connecting cylinder, the guide rail structure comprises a first guide rail section and a second guide rail section, and the first guide rail section and the second guide rail section are respectively arranged on the first fixing seat and the second fixing seat.

6. The laser printing apparatus according to claim 5, wherein the first guide rail section includes a first connection hole, the second guide rail section includes a second connection hole, and an axis of the first connection hole and an axis of the second connection hole are arranged in parallel; the sliding body comprises a first connecting rod, a second connecting rod and a connecting section, the first connecting rod is in sliding connection with the hole wall of the first connecting hole, the second connecting rod is in sliding connection with the hole wall of the second connecting hole, and two ends of the connecting section are respectively connected with the first connecting rod and the second connecting rod.

7. Laser printing apparatus according to claim 6, wherein the connecting section is detachably connected to the first connecting rod.

8. The laser printing apparatus according to claim 7, wherein an end of the elastic member away from the signal sensor extends into the first connection hole, and an abutting structure is disposed in the first connection hole and abuts against the elastic member.

9. A laser printing method comprising the laser printing apparatus of claim 1, further comprising the steps of: transferring a product to be printed to a preset position; detecting the deviation of the actual position of the product to be printed and a preset position; if the deviation between the actual position of the product to be printed and the preset position is within the preset range, the end part of the connecting cylinder body is abutted against the area to be printed; and vacuumizing the connecting cylinder body, and performing laser printing.

10. The laser printing method of claim 9, wherein said evacuating the interface cylinder comprises evacuating to an absolute pressure of 0.09 mbar or less.

Technical Field

The invention relates to the technical field of printing, in particular to a laser printing device.

Background

At present, the production of the domestic die-casting industry adopts a mode of printing two-dimension codes on products, and the products are traced by collecting and producing various parameters through the two-dimension codes. And clamping a product to be printed to a position to be coded through a robot, and photoetching the product through laser to form a two-dimensional code on the product. The two-dimensional code printed at present has the condition that a code reader can not read, and the printing quality needs to be improved.

Disclosure of Invention

In order to solve the above problems, the present invention is directed to a laser printing apparatus to improve printing quality.

In order to achieve the purpose, the invention is realized according to the following technical scheme:

the utility model provides a laser printing device, is including connecting barrel, laser generator, being used for the suction the internal gas's of connecting barrel evacuation equipment, the one end of connecting barrel with the laser generator butt, the other end of connecting barrel be used for with wait to print the product butt, the laser generator shutoff the tip of connecting barrel.

Preferably, a sealing ring is arranged on the end face, far away from the laser generator, of the connecting cylinder body.

Preferably, the connection cylinder is further provided with at least three position detection mechanisms, and the at least three position detection mechanisms are arranged along the circumferential direction of the connection cylinder.

Preferably, the laser printing device further comprises a guide rail structure fixedly connected with the connecting cylinder, and the guide rail structure extends along the axial direction of the connecting cylinder; the position detection mechanism comprises a sliding body, the sliding body is connected with the guide rail structure in a sliding mode, and a signal sensor used for being abutted to a product to be printed is arranged at one end, away from the laser generator, of the sliding body; still include the elastic component, the one end of elastic component with connect the barrel and be connected, the other end of elastic component with the slider is connected, the slider has towards the removal route that laser generator removed.

Preferably, the laser printing device further comprises a first fixing seat and a second fixing seat which are fixedly connected with the connecting cylinder, the first fixing seat and the second fixing seat are arranged at intervals along the axial direction of the connecting cylinder, the guide rail structure comprises a first guide rail section and a second guide rail section, and the first guide rail section and the second guide rail section are respectively arranged on the first fixing seat and the second fixing seat.

Preferably, the first guide rail section comprises a first connecting hole, the second guide rail section comprises a second connecting hole, and the axis of the first connecting hole and the axis of the second connecting hole are arranged in parallel; the sliding body comprises a first connecting rod, a second connecting rod and a connecting section, the first connecting rod is in sliding connection with the hole wall of the first connecting hole, the second connecting rod is in sliding connection with the hole wall of the second connecting hole, and two ends of the connecting section are respectively connected with the first connecting rod and the second connecting rod.

Preferably, the connecting section is detachably connected with the first connecting rod.

Preferably, one end of the elastic piece, which is far away from the signal sensor, extends into the first connection hole, an abutting structure is arranged in the first connection hole, and the abutting structure abuts against the elastic piece.

A laser printing method comprises the laser printing device and further comprises the following steps: transferring a product to be printed to a preset position; detecting the deviation of the actual position of the product to be printed and a preset position; if the deviation between the actual position of the product to be printed and the preset position is within the preset range, the end part of the connecting cylinder body is abutted against the area to be printed; and vacuumizing the connecting cylinder body, and performing laser printing.

Preferably, the step of vacuumizing the connecting cylinder comprises vacuumizing to an absolute pressure of less than or equal to 0.09 mbar.

Compared with the prior art, the invention has the beneficial effects that:

the vacuumizing equipment can reduce air in the connecting cylinder body, and reduce the refraction of the air to the laser, so that the laser can accurately reach the area to be printed, and the printing quality is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a laser printing apparatus according to an embodiment of the present invention.

Fig. 2 is a front view of an embodiment of the laser printing apparatus of the present invention.

FIG. 3 is a schematic diagram illustrating steps of an embodiment of a laser printing method according to the present invention.

Wherein: 1-connecting cylinder body, 11-sealing ring, 111-abutting ring section, 2-laser generator, 31-sliding body, 311-first connecting rod, 3111-threaded section, 312-second connecting rod, 313-connecting section, 3131-threaded hole, 32-signal sensor, 33-elastic piece, 41-first fixing seat, 411-first connecting hole, 42-second fixing seat and 421-second connecting hole.

Detailed Description

So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention, and the described embodiments are merely a subset of the embodiments of the present invention, rather than a complete embodiment. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1 to 2, this is an embodiment of the invention, specifically: the utility model provides a laser printing device, includes connecting barrel 1, laser generator 2, is used for the evacuation equipment of gas in the suction connection barrel 1, connects barrel 1's one end and 2 butts of laser generator, connects barrel 1's the other end be used for with wait to print the product butt, the tip of barrel 1 is connected in the 2 shutoff of laser generator. The other end of the connecting cylinder body 1 can be blocked by abutting against a product to be printed so as to realize sealing.

Further as a preferred embodiment, the end face of the connecting cylinder 1 far away from the laser generator 2 is provided with a sealing ring 11, so that the vacuum degree in the connecting cylinder 1 can be better connected, and the high-quality printing time of the laser printing device can be prolonged.

Further as a preferred embodiment, the sealing ring 11 comprises an abutment ring section 111 for abutment with a product to be printed, the abutment ring section 111 being gradually enlarged in a direction away from the laser generator 2. After the interior of the connection cylinder 1 is vacuumized, the pressure of the inner side of the abutting ring section 111 is smaller. The butt ring section 111 enlarges gradually along the direction of keeping away from the laser generator 2, and the butt ring section 111 can adsorb the product of waiting to print better on, improves the sealing quality of sealing washer 11.

Further, in a preferred embodiment, the connection cylinder 1 is further provided with at least three position detection means, and the at least three position detection means are arranged in the circumferential direction of the connection cylinder 1. At least three position detection mechanisms can detect the deviation degree of a plane or a curved surface, and the detection speed is improved. As shown in fig. 1, the connection cylinder 1 of the present embodiment is provided with four position detection structures.

Further as a preferred embodiment, the laser printing device further includes a guide rail structure fixedly connected with the connection cylinder 1, and the guide rail structure is arranged to extend along the axial direction of the connection cylinder 1; the position detection mechanism comprises a sliding body 31, the sliding body 31 is in sliding connection with the guide rail structure, and a signal sensor 32 used for being abutted to a product to be printed is arranged at one end, away from the laser generator 2, of the sliding body 31; the laser printing device further comprises an elastic piece 33, one end of the elastic piece 33 is connected with the connecting cylinder body 1, the other end of the elastic piece 33 is connected with the sliding body 31, and after the sliding body 31 is provided with at least three position detection mechanisms facing the movement path of the laser generator 2, the signal sensors 32 of the position detection mechanisms detect a product to be printed, the fact that the product to be printed is placed on a preset position is shown, and the flatness deviation meets the preset requirement. After the signal sensor 32 detects the product to be printed, the product can be abutted and moved backwards until the sealing ring 11 abuts the product, and the sealing ring 11 abuts the product to be printed to realize sealing.

Further preferably, the distance of the moving path is smaller than the allowable deviation of the position of the product to be printed, so that the detection by the position detection mechanism can be avoided even if the flatness error of the product to be printed is too large.

Further as a preferred embodiment, the laser printing apparatus further includes a first fixing seat 41 and a second fixing seat 42 fixedly connected to the connection cylinder 1, the first fixing seat 41 and the second fixing seat 42 are disposed at intervals along the axial direction of the connection cylinder 1, the guide rail structure includes a first guide rail section and a second guide rail section, and the first guide rail section and the second guide rail section are disposed on the first fixing seat 41 and the second fixing seat 42, respectively. First fixing base 41, second fixing base 42 set up along the axial direction interval of connecting barrel 1, have both alleviateed the weight of guide rail structure, have guaranteed the cooperation length of guide rail structure again, have guaranteed signal sensor 32's position accuracy.

Further as a preferred embodiment, the first guide rail section includes a first connection hole 411, the second guide rail section includes a second connection hole 421, and the axis of the first connection hole 411 and the axis of the second connection hole 421 are arranged in parallel; the sliding body 31 includes a first connecting rod 311, a second connecting rod 312, and a connecting section 313, the first connecting rod 311 is slidably connected to the hole wall of the first connecting hole 411, the second connecting rod 312 is slidably connected to the hole wall of the second connecting hole 421, and two ends of the connecting section 313 are respectively connected to the first connecting rod 311 and the second connecting rod 312. The hole walls of the first connection hole 411 and the second connection hole 421 can provide radial positioning for the first connection rod 311 and the second connection rod 312, so as to further ensure the position accuracy of the signal sensor 32.

Further as a preferred embodiment, the first fixing seat 41 is disposed on an end of the connection cylinder 1 away from the laser generator 2, and the first connection hole 411 penetrates through the first fixing seat 41 along the axial direction of the connection cylinder 1; the connection section 313 is provided as a rod, a threaded hole 3131 is formed in an end surface of the connection section 313 facing the first connection rod 311, a threaded section 3111 is formed at an end of the first connection rod 311 away from the signal sensor 32, and the threaded section 3111 is in threaded connection with the threaded hole 3131, so that the sliding body 31 can adjust the length through the threaded section 3111 and the threaded hole 3131, thereby enabling an initial position of the signal sensor 32.

Further as a preferred embodiment, the connection section 313 is detachably connected with the first connection rod 311. Since the first connecting rod 311 frequently slides, there is a certain sliding friction loss. The slide body 31 can be more conveniently disassembled and assembled, and the first connecting rod 311 can be more conveniently replaced.

Further preferably, one end of the elastic member 33 away from the signal sensor 32 extends into the first connection hole 411, and an abutting structure is disposed in the first connection hole 411 and abuts against the elastic member 33. The possibility of pollution to the elastic part 33 is reduced, the use effect of the elastic part 33 is better, and the requirements for cleaning and replacing the elastic part 33 are reduced. The elastic member 33 may be provided as a spring.

A laser printing method comprises the laser printing device and further comprises the following steps: s100, transferring a product to be printed to a preset position; s200, detecting the deviation of the actual position of the product to be printed and a preset position; s300, if the deviation between the actual position of the product to be printed and the preset position is within a preset range, abutting the end part of the connecting cylinder 1 with the area to be printed; and S400, vacuumizing the connecting cylinder 1 and performing laser printing. The vacuumizing equipment can reduce air in the connecting cylinder body 1, reduce the refraction of the air to the laser, enable the laser to accurately reach the area to be printed and improve the printing quality.

Further as a preferred embodiment, the evacuation of the connection cylinder 1 includes evacuation to an absolute pressure of 0.09 mbar or less, further improving the print quality.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.