US-12617635-B2 - Laser marking feeding device

US12617635B2US 12617635 B2US12617635 B2US 12617635B2US-12617635-B2

Abstract

A laser marking feeding device used for multiple parts to be marked includes a device body, a laser marking machine, a transmitting mechanism and a part blocking structure. The device body is disposed with a processing area and a feeding area. The transmitting mechanism is installed in the processing area and the feeding area and disposed under the laser marking machine. The transmitting mechanism is used for transmitting the parts to be marked from the feeding area to the processing area. The multiple parts to be marked are stacked on the transmitting mechanism of the feeding area. The part blocking structure is disposed between the processing area and the feeding area and disposed over the transmitting mechanism. An interval greater than a thickness of one part to be marked and less than thicknesses of two parts to be marked exists between the part blocking structure and the transmitting mechanism.

Inventors

Shang-Tsai WU

Assignees

DINKLE ENTERPRISE CO., LTD.
DINKLE ELECTRIC MACHINERY (CHINA) CO., LTD.
LI YANG ELECTRIC MACHINERY (DONGGUAN) CO., LTD.

Dates

Publication Date: 20260505
Application Date: 20250722

Claims (10)

1 . A laser marking feeding device, used for multiple parts to be marked, the laser marking feeding device comprising: a device body, disposed with a processing area and a feeding area disposed on a side of the processing area; a laser marking machine, installed in the processing area; a transmitting mechanism, installed in the processing area and the feeding area and disposed under the laser marking machine, used for transmitting the parts to be marked from the feeding area to the processing area along a horizontal path, the transmitting mechanism comprises two driving wheels and two driven wheels, which are pivoted to the device body, and two tracks separately wrapping outsides of each driving wheel and each driven wheel, following each driving wheel to rotate, and parallel to each other at interval; and a part blocking structure, disposed between the processing area and the feeding area and disposed over the transmitting mechanism, a height of the part blocking structure being greater than thicknesses of the multiple parts to be marked, and an interval greater than a thickness of one of the parts to be marked and less than thicknesses of two of the parts to be marked existing between the part blocking structure and the transmitting mechanism; wherein the part to be marked comprises two transverse part belts formed on two opposite sides thereof, one of the two driving wheels, one of the two driven wheels, and one of the two tracks are arranged on a left side of the processing area and the feeding area, the other driving wheel, the other driven wheel, and the other track are arranged on a right side of the processing area and the feeding area, and the two transverse part belts are parallel to each other and respectively placed on the two tracks; wherein the part blocking structure comprises two upright blocking plates fixed to the device body and disposed over the two tracks, the height is a height of each upright blocking plate, and the interval is formed between the two tracks and the two upright blocking plates; wherein when the multiple parts to be marked are stacked on the transmitting mechanism in the feeding area, only the lowest one of the parts to be marked can be driven by the transmitting mechanism to move from the feeding area to the processing area via the interval along the horizontal path, and the rest of the multiple parts to be marked are blocked in the feeding area by the part blocking structure.
2 . The laser marking feeding device of claim 1 , further comprising three limiting plates fixed to the device body, wherein one of the limiting plates and the two upright blocking plates are disposed on a pair of two opposite sides of the feeding area and its distal end is extended with a slant section inclining upward gradually outward, and remaining two limiting plates are disposed on another pair of two opposite sides of the feeding area.
3 . The laser marking feeding device of claim 1 , further comprising a first elevated blocking sheet module disposed among the two tracks, the processing area and the feeding area, wherein the first elevated blocking sheet module comprises a first blocking sheet and a first actuator fixed to the device body and driving the first blocking sheet to be higher than or lower than the two tracks, and the first blocking sheet and the two upright blocking plates are located on the same horizontal plane or disposed on a side of the two upright blocking plates, which is adjacent to the feeding area.
4 . The laser marking feeding device of claim 3 , wherein the first elevated blocking sheet module further comprises a first position sensor, the first position sensor is installed on one side of the first actuator, which is adjacent to the feeding area, and the first position sensor is used for sensing the parts to be marked.
5 . The laser marking feeding device of claim 3 , wherein the first elevated blocking sheet module further comprises at least one second position sensors, the second position sensor corresponds to the first blocking sheet to be disposed and is used for sensing the first blocking sheet being higher than or lower than the two tracks.
6 . The laser marking feeding device of claim 4 , further comprising a second elevated blocking sheet module disposed between the two tracks and on a side of the processing area, which is away from the first elevated blocking sheet module, wherein the second elevated blocking sheet module comprises a second blocking sheet and a second actuator fixed to the device body and driving the second blocking sheet to be higher than or lower than the two tracks.
7 . The laser marking feeding device of claim 6 , wherein the second elevated blocking sheet module further comprises a third position sensor, the third position sensor is installed on a side of the second actuator, which is adjacent to the processing area, and the third position sensor is used for sensing the parts to be marked.
8 . The laser marking feeding device of claim 7 , wherein the second elevated blocking sheet module further comprises a fourth position sensor, and the fourth position sensor corresponds to the second blocking sheet to be disposed and is used for sensing the second blocking sheet being higher than or lower than the two tracks.
9 . The laser marking feeding device of claim 8 , wherein the first position sensor generates a first positioning signal when sensing the parts to be marked, the third position sensor generates a non-positioning signal when not sensing the parts to be marked, the fourth position sensor generates a descent signal when sensing the second blocking sheet being lower than the two tracks, and the first actuator drives the first blocking sheet to be lower than the two tracks when receiving the first position signal and the non-positioning signal or receiving the first positioning signal and the descent signal.
10 . The laser marking feeding device of claim 9 , wherein the third position sensor generates a second positioning signal when sensing the parts to be marked, the first actuator drives the first blocking sheet to be higher than the two tracks when receiving the second positioning signal, the laser marking machine laser engraves the parts to be marked when receiving the second positioning signal, the laser marking machine generates a laser finishing signal when finishing the laser engraving, and the second actuator drives the second blocking sheet to be lower than the two tracks when receiving the second positioning signal and the laser finishing signal.

Description

CROSS-REFERENCE TO RELATED APPLICATION This application is a continuing application of U.S. patent application Ser. No. 18/638,640, filed on Apr. 17, 2024, and entitled “LASER MARKING FEEDING DEVICE”. The entire disclosures of the above application are all incorporated herein by reference. BACKGROUND Technical Field The disclosure relates to a part feeding device of mechanical process, particularly to a laser marking feeding device. Related Art Laser marking uses laser to form characters, patterns and other marks on surfaces of objects. The principle is to engrave a surface of an object with laser. Depending on the power and beam density of laser, different engraving texture effects can be produced. In addition, the laser marking process usually uses an automatic feeding device to feed the parts to be marked to the place under the laser marking machine one by one, and then uses the laser marking machine to engrave the surfaces of the parts to be marked. Finally, the parts which have been marked are removed from the part belt to finish the laser marking process. However, the above-mentioned automatic feeding device ensures that the parts to be marked are sent to the place under the laser marking machine one piece at a time, which often leads to problems such as the transmitting path of the automatic feeding device being too long or the device structure being complex. Therefore, how to simplify the transmitting path or structure of the automatic feeding device is the research and development focus of the automatic feeding device manufacturers. In view of this, the inventors have devoted themselves to the above-mentioned prior art, researched intensively and cooperated with the application of science to try to solve the above-mentioned problems. Finally, the invention which is reasonable and effective to overcome the above drawbacks is provided. SUMMARY The disclosure provides a laser marking feeding device, which uses when the multiple parts to be marked are stacked on the transmitting mechanism in the feeding area, only the lowest one of the parts to be marked can be driven by the transmitting mechanism to move to pass through the interval, and the rest of the multiple parts to be marked are blocked in the feeding area by the part blocking structure to make the laser marking feeding device of the disclosure have advantages of simplifying the transmitting path of the automatically feeding or the device structure. In embodiments of the disclosure, the disclosure provides a laser marking feeding device used for multiple parts to be marked. The laser marking feeding device includes: a device body, disposed with a processing area and a feeding area disposed on a side of the processing area; a laser marking machine, installed in the processing area; a transmitting mechanism, installed in the processing area and the feeding area and disposed under the laser marking machine, used for transmitting the parts to be marked from the feeding area to the processing area along a horizontal path, the transmitting mechanism comprises two driving wheels and two driven wheels, which are pivoted to the device body, and two tracks separately wrapping outsides of each driving wheel and each driven wheel and, following each driving wheel to rotate, and parallel to each other at interval; and a part blocking structure, disposed between the processing area and the feeding area and disposed over the transmitting mechanism, a height of the part blocking structure being greater than thicknesses of the multiple parts to be marked, and an interval greater than a thickness of one of the parts to be marked and less than thicknesses of two of the parts to be marked existing between the part blocking structure and the transmitting mechanism; wherein the part to be marked comprises two transverse part belts formed on two opposite sides thereof, one of the two driving wheels, one of the two driven wheels, and one of the two tracks are arranged on a left side of the processing area and the feeding area, the other driving wheel, the other driven wheel, and the other track are arranged on a right side of the processing area and the feeding area, and the two transverse part belts are parallel to each other and respectively placed on the two tracks; wherein the part blocking structure comprises two upright blocking plates fixed to the device body and disposed over the two tracks, the height is a height of each upright blocking plate, and the interval is formed between the two tracks and the two upright blocking plates; wherein when the multiple parts to be marked are stacked on the transmitting mechanism in the feeding area, only the lowest one of the parts to be marked can be driven by the transmitting mechanism to move from the feeding area to the processing area via the interval along the horizontal path, and the rest of the multiple parts to be marked are blocked in the feeding area by the part blocking structure. Accordingly, the laser marking