CN205464819U - Laser marking assembly line of side response - Google Patents

Abstract

The utility model provides a laser marking assembly line of side response, including control system and frame, be provided with the conveyer belt in the frame and be located conveyer belt side and edge shelves material pole, photoelectric sensing ware and laser marking that the direction of transfer of conveyer belt was arranged in proper order are quick -witted, shelves material pole with the conveyer belt parallels, the light emission direction orientation of photoelectric sensing ware the conveyer belt and with the direction of transfer of conveyer belt is mutually perpendicular, the laser emitter of laser marking machine is located conveyer belt top or side, the conveyer belt the photoelectric sensing ware with laser marking machine with the control system communication is connected. Through setting up conveying and photoelectric sensing ware, beating mark efficiency, higher relatively and the cost of labor is relatively low, because the light emission direction of photoelectric sensing ware is towards conveyer belt and mutually perpendicular with the direction of transfer of conveyer belt, the laser emitter of laser marking machine is located above the conveyer belt between the two not can the mutual interference, ensures dozen scalar potential and puts the accuracy.

Description

A Side Sensing Laser Marking Line

technical field

The utility model relates to a production assembly line, in particular to a side induction laser marking assembly line.

Background technique

Laser marking is one of the largest application fields of laser processing. It is a kind of chemical reaction that uses high-energy-density laser to partially irradiate the workpiece to vaporize the surface material or change color, thereby leaving a permanent mark. label method. Because laser marking can print various characters, symbols and patterns, and the character size can range from millimeters to microns, it has special significance for product anti-counterfeiting.

The traditional laser marking method is generally to manually fix the workpiece on the tooling under the transmitter of the laser marking machine, and then start the laser marking machine for marking. This marking method is relatively inefficient and manual The cost is relatively large.

In view of this, the applicant conducted in-depth research on the laser marking method, and this case arose.

Utility model content

The purpose of the utility model is to provide a side-sensing laser marking assembly line with relatively high marking efficiency and relatively low labor cost.

In order to achieve the above object, the present invention adopts the following technical solutions:

A side-sensing laser marking assembly line, including a control system and a frame, the frame is provided with a conveyor belt, a material bar located on the side of the conveyor belt and arranged in sequence along the conveying direction of the conveyor belt, and a photoelectric sensor and a laser marking machine, the gear bar is parallel to the conveyor belt, the light emitting direction of the photoelectric sensor is toward the conveyor belt and is perpendicular to the conveying direction of the conveyor belt, and the laser marking machine’s laser The transmitter is located above or on the side of the conveyor belt, and the drive motor of the conveyor belt, the photoelectric sensor and the laser marking machine are connected in communication with the control system.

As an improvement of the utility model, the surface of the conveyor belt is provided with anti-skid lines.

As an improvement of the utility model, the frame is an aluminum profile frame.

As an improvement of the present invention, the frame is further provided with a correction component, and the correction component is located on a side of the laser marking machine away from the photoelectric sensor.

As an improvement of the utility model, the correction assembly includes a fixed frame fixed on the frame, a push rod motor fixed on the fixed frame, and a stopper fixed on the push rod of the push rod motor. The push rod motor communicates with the control system, the baffle is vertically arranged and located above the conveyor belt, and the push rod of the push rod motor pushes down and the gap between the baffle and the conveyor belt The distance between them is smaller than the height of the workpiece to be marked, and the distance between the baffle and the conveyor belt is greater than the height of the workpiece to be marked after the push rod of the push rod motor shrinks upward.

By adopting the above technical scheme, the utility model has the following beneficial effects:

1. The workpiece is conveyed by setting the conveyor belt, and the photoelectric sensor is used to position the workpiece. Compared with the traditional laser marking method, the marking efficiency is relatively high and the labor cost is relatively low.

2. By setting the stopper bar, just put the workpiece on the stopper bar and place it on the conveyor belt to ensure that the workpieces are neatly arranged on the conveyor belt, which is convenient for the positioning of the laser marking machine.

3. Since the light emitting direction of the photoelectric sensor faces the conveyor belt and is perpendicular to the conveying direction of the conveyor belt, the laser transmitter of the laser marking machine is located above the conveyor belt, that is, the photoelectric sensor senses the position of the workpiece from the side, while the laser marking machine senses the position of the workpiece from the top. The workpiece is marked downwards, and the two will not interfere with each other to ensure that the marking position is accurate.

4. By setting the correction components, the angle or direction of the workpiece can be further adjusted before marking to further ensure the accuracy of the marking position.

Description of drawings

Fig. 1 is the structure diagram of the laser marking assembly line of side induction of the utility model;

Fig. 2 is a structural schematic diagram of the correction assembly of the present invention.

The markings in the figure correspond to the following:

10-frame; 20-conveyor belt;

30-stop bar; 40-photoelectric sensor;

50-laser marking machine; 60-calibration components;

61-fixed frame; 62-push rod motor;

63 - Baffle.

detailed description

Below in conjunction with accompanying drawing and specific embodiment the utility model is described further.

As shown in Figure 1 and Figure 2, the laser marking assembly line of side induction provided by this embodiment includes a control system (not shown in the figure) and a frame 10, and the control system is a conventional control system, which will not be described in detail here . The frame 10 is preferably an aluminum profile frame, on which a conveyor belt 20 and a material rod 30, a photoelectric sensor 40 and a laser marking machine 50 arranged on the same side of the conveyor belt 20 and arranged in sequence along the conveying direction of the conveyor belt 20 are arranged on it. The photoelectric sensor 40 and the laser marking machine 50 are all existing equipment or components, and the drive motor of the conveyor belt 20, the photoelectric sensor 40 and the laser marking machine 50 are connected to the control system by communication. The specific communication connection method can be conventional The way, as long as the control system can control the working sequence of the conveyor belt 20, the photoelectric sensor 40 and the laser marking machine 50.

The surface of the conveyor belt 20 is provided with anti-skid lines to prevent workpieces from shifting under the action of inertia when the conveyor belt starts or stops and affects the accuracy of positioning.

The stop bar 30 is placed horizontally and parallel to the conveyor belt 20 . The shaft of the material stop rod 30 is preferably partially located directly above the conveyor belt 20 to ensure that the workpiece can be placed on the conveyor belt 20 while abutting against the shaft body of the material stop rod 30 . In addition, the stop rod is preferably a wear-resistant rod, such as a stainless steel rod.

The light emitting direction of the photoelectric sensor 40 faces the conveyor belt 20 horizontally and is perpendicular to the conveying direction of the conveyor belt 20. The laser emitter of the laser marking machine 50 is located above the conveyor belt 20, and the laser emitting direction of the laser marking machine 50 is vertically facing the conveyor belt. 20. In this way, the photoelectric sensor 40 senses the position of the workpiece from the side, and the laser marking machine 50 marks the workpiece from top to bottom, and the strong light generated by the laser marking machine 50 will not affect the photoelectric sensor 40 .

Of course, the laser marking machine 50 can also be located on the side plate of the conveyor belt 20, at this time, the laser emission direction of the laser emitter of the laser marking machine 50 needs to be parallel to the light emission direction of the photoelectric sensor 40. Preferably, the laser marking machine 50 and the photoelectric sensor 40 are respectively located on two sides of the conveyor belt 20 .

When in use, turn on the conveyor belt 20, place the workpiece on the conveyor belt 20 and let the workpiece touch the bar of the stopper rod 30, and the workpiece moves towards the direction of the laser marking machine 50 under the action of the conveyor belt 20. When the workpiece passes through the photoelectric sensor When the position corresponding to the marker 40 is reached, the photoelectric sensor 40 sends a signal to the control system, and the control system controls the conveyor belt 20 to stop working, and then the conveyor belt 20 continues to move under the action of inertia to send the workpiece to the bottom of the laser marking machine 50. Of course, also The control system can control the conveyor belt 20 to stop working after the conveyor belt 20 sends the workpiece 60 to the bottom of the laser marking machine 50; then the control system controls the laser marking machine 50 to carry out the marking operation. After the marking is completed, the control system starts again The conveyor belt 20 enters the next cycle.

Preferably, in this embodiment, the frame 10 is further provided with a calibration assembly 60 , and the calibration assembly 60 is located on the side of the laser marking machine 50 away from the photoelectric sensor 40 . Calibration assembly 60 comprises the fixed frame 61 that is fixed on the frame 10, the push rod motor 62 that is fixed on the fixed mount 61 and the baffle plate 63 that is fixed on the push rod of push rod motor 62, and push rod motor 62 communicates with control system connect. It should be noted that the push rod motor is a conventional motor, also called an electric push rod, which can be directly purchased in the market, and its structure will not be described in detail here.

Baffle plate 63 is arranged vertically and is positioned at the top of conveyer belt 20, when the push rod of push rod motor 62 pushes down the distance between tailgate 63 and conveyer belt 20 is less than the height of the workpiece to be marked, when the push rod of push rod motor 62 The distance between the backstop 63 and the conveyor belt 20 is greater than the height of the workpiece to be marked when the rod shrinks upwards. In this way, when the push rod of the push rod motor 62 is pushed out downwards, the workpiece can be blocked, and at this time, because the conveyor belt 20 is still continuing to drive, the workpiece will be attached to the baffle plate 63, and then the workpiece will be aligned to realize the correction position. The purpose; after the marking is completed, the push rod of the push rod motor 62 shrinks upwards, and the workpiece passes the position of the correction assembly 60 under the drive of the conveyor belt 20 .

It should be noted that the correction component 60 shown in FIG. 1 is only indicative of the position of the correction component in the laser marking assembly line, and its specific structural schematic diagram is shown in FIG. 2 .

The utility model has been described in detail above in conjunction with the accompanying drawings, but the embodiments of the present invention are not limited to the above-mentioned embodiments. Those skilled in the art can make various modifications to the present invention according to the prior art, such as the above-mentioned embodiment Push rod motor 62 is changed into oil cylinder or air cylinder etc., and these all belong to protection scope of the present utility model.

Claims (5)

1. the laser marking streamline of a side sensing, including control system and frame, it is characterized in that, it is provided with conveyer belt in described frame and is positioned at described conveyer belt side and shelves material bar that the direction of transfer along described conveyer belt is arranged in order, photoelectric sensor and laser marking machine, described shelves material bar is paralleled with described conveyer belt, the light of described photoelectric sensor launches direction towards described conveyer belt and perpendicular with the direction of transfer of described conveyer belt, the generating laser of described laser marking machine is positioned at above described conveyer belt or side, the driving motor of described conveyer belt, described photoelectric sensor and described laser marking machine are connected with described control system communication.

2. the laser marking streamline of side as claimed in claim 1 sensing, it is characterised in that be provided with anti-slip veins on the surface of described conveyer belt.

3. the laser marking streamline of side as claimed in claim 1 sensing, it is characterised in that described frame is aluminium section bar frame.

4. the laser marking streamline of the side sensing as described in any claim in claim 1-3, it is characterised in that being additionally provided with correction assembly in described frame, described correction assembly is positioned at the described laser marking machine side away from described photoelectric sensor.

5. the laser marking streamline of side as claimed in claim 4 sensing, it is characterized in that, described correction assembly includes the fixed mount being fixed in described frame, it is fixed on the push-rod electric machine on described fixed mount and is fixed on the baffle plate on the push rod of described push-rod electric machine, described push-rod electric machine is connected with described control system communication, described baffle plate is vertically arranged and is positioned at above described conveyer belt, the push rod of described push-rod electric machine after releasing downwards distance between described baffle plate and described conveyer belt less than the height of the workpiece that is marked, the push rod of described push-rod electric machine after upwards shrinking distance between described baffle plate and described conveyer belt more than the height of the workpiece that is marked.