CN219254495U

CN219254495U - Laser marking machine with adjustable clamp

Info

Publication number: CN219254495U
Application number: CN202223245226.7U
Authority: CN
Inventors: 熊伟; 王晓东
Original assignee: Wuhan Jiuwu Photoelectric Technology Co ltd
Current assignee: Wuhan Jiuwu Photoelectric Technology Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-06-27
Anticipated expiration: 2032-12-05

Abstract

The utility model relates to a laser marking machine with an adjustable clamp, which comprises a control box provided with a PLC control system, a laser printing head and a workbench, wherein the upper part of the workbench is provided with a rotary cylinder index plate, one side of the laser printing head is provided with a code reader for reading two-dimensional codes after marking, the rotary cylinder index plate is a four-position index plate for equally dividing the workbench into four stations, namely a feeding station, a marking station, a removing station and a finished product station, the upper part of the rotary cylinder index plate is connected with a positioning turntable rotating along with the rotary cylinder index plate, the positioning turntable is provided with the adjustable clamp above the four stations, the workbench is provided with a removing cylinder supported by a cylinder support above the removing station and a finished product cylinder supported by the cylinder support above the finished product station, and the positioning turntable is used for respectively pushing off and collecting unqualified products and finished products after marking. The utility model avoids manual operation after marking, has high accuracy, can simultaneously perform the operations of feeding, marking and pushing down workpieces, and improves the production efficiency.

Description

Laser marking machine with adjustable clamp

Technical Field

The utility model relates to the technical field of marking machines, in particular to a laser marking machine with an adjustable clamp.

Background

The laser marking machine is a device for marking the surface of an object by using a laser beam, and the object exposes deep substances through the evaporation of surface substances of the object, so that patterns and characters can be marked. However, most of the existing laser marking machines adopt single-station pipeline type operation, each part is arranged in a line from feeding to discharging, and the laser marking machines occupy large space position and waste of resource environment and have low marking efficiency.

Some of the current markets begin to adopt multi-station laser marking machines, such as the China patent document with the prior publication number of CN213945298U, disclose a rotary laser marking machine, which comprises a machine base, a rotary workbench rotationally arranged on the machine base around a rotation center line extending in the vertical direction, a driving device for driving the rotary workbench to rotate, a plurality of clamp devices arranged on the rotary workbench and used for clamping a workpiece to be marked, and a marking working head arranged on the machine base, thereby improving the working efficiency; however, the laser marking machine has some problems, in the process of mass production, due to environmental factors, human factors or equipment faults and the like, the condition that the two-dimensional code mark is unqualified always exists, so that the code scanning failure is caused, at the moment, the code scanning rechecking is carried out manually after the marking is finished, unqualified products are screened, but the manual rechecking has high working strength and low production efficiency.

Disclosure of Invention

The utility model provides a laser marking machine with an adjustable clamp, which can automatically screen unqualified products in the production process and is suitable for the use of various workpieces, and the technical scheme of the utility model is as follows.

The utility model relates to a laser marking machine with an adjustable clamp, which comprises a control box provided with a PLC (programmable logic controller) control system, a laser printing head and a workbench positioned on one side of the control box, wherein a rotary cylinder index plate is arranged on the upper part of the workbench, a code reader for reading two-dimension codes after marking is arranged on one side of the laser printing head, the rotary cylinder index plate is a four-position index plate for equally dividing the workbench into four stations, namely a feeding station, a marking station, a rejecting station and a finished product station, the upper part of the rotary cylinder index plate is connected with a positioning turntable rotating along with the rotary cylinder index plate, the adjustable clamp is arranged above the four stations on the positioning turntable, a rejecting cylinder supported by a cylinder support is arranged above the rejecting station, and a finished product cylinder supported by the cylinder support is arranged above the finished product station, and is used for respectively pushing down and collecting unqualified products and finished products after marking.

As a further technical scheme, the adjustable clamp comprises a clamp bottom plate connected with the positioning turntable, a first electromagnetic clamping plate and a second electromagnetic clamping plate capable of clamping a workpiece are arranged on two sides of the clamp bottom plate, electromagnets with opposite coil directions are arranged in the first electromagnetic clamping plate and the second electromagnetic clamping plate, and the PLC control system receives signals of the code reader to control the opening and closing of the adjustable clamp.

As a further technical scheme, the first electromagnetic clamping plate is fixedly connected with the clamp bottom plate, and the second electromagnetic clamping plate is in sliding connection with the sliding groove at the bottom of the clamp bottom plate.

As a further technical scheme, the first electromagnetic clamping plate and the second electromagnetic clamping plate are respectively provided with a first clamping plate groove and a second clamping plate groove in opposite directions.

As a further technical scheme, the positioning turntable is arranged below the adjustable clamp and is used for transmitting signals to the laser printing head to start marking.

As a further technical scheme, the laser generator of the laser printing head is in sliding connection with the support column, the support column is in sliding connection with the bottom of the control box, and the laser printing head can be horizontally moved or vertically moved so as to adapt to workpieces with different sizes.

The automatic marking machine has the beneficial effects that the code scanning detection operation of the code reader is timely carried out after marking is finished, unqualified products are automatically pushed down from the removing station or qualified products are automatically pushed down from the finished product station, so that the manual operation after marking is avoided, the production efficiency is improved, and the accuracy is high; the adjustable clamp is applicable to workpieces with various sizes, the opening and closing of the adjustable clamp are controlled by the PLC control system, when the code reader scans the codes successfully, the PLC controls the adjustable clamp to be loosened at a finished product station, the finished product cylinder pushes down the workpieces, and when the code reader scans the codes unsuccessfully, the PLC controls the adjustable clamp to be loosened at a rejection station, and the rejection cylinder pushes down the workpieces. The four stations are arranged, so that feeding, marking and workpiece pushing operations can be performed simultaneously after the rotary cylinder index plate rotates once, operation redundancy is reduced, operation space and resources are saved, and production efficiency is improved.

Drawings

FIG. 1 is a schematic plan view of a laser marking machine with an adjustable clamp according to the present utility model;

FIG. 2 is a top view of a laser marking machine of an adjustable clamp of the present utility model;

FIG. 3 is a left side view of an adjustable clamp of a laser marking machine of the adjustable clamp of the present utility model;

FIG. 4 is a top view of an adjustable clamp of a laser marking machine of the adjustable clamp of the present utility model;

in the figure: 1-a control box; 2-a workbench; 3-a laser printhead; a 4-laser generator; 5-supporting columns; 6-a display screen; 7-a code reader; 8-rotating a cylinder dividing plate; 9-positioning a turntable; 10-cylinder bracket; 11-a finished cylinder; 12-an adjustable clamp; 1201—clamp bottom plate; 1202-a first electromagnetic clamp plate; 1203-first cleat slot; 1204-a second electromagnetic clamp plate; 1205-second cleat slots; 1206-a chute; 13-a finished skateboard; 14-a photosensor; 15-a workpiece; 16-removing the air cylinder; 17-removing the sliding plate; 18-direction of rotation; 20-a feeding station; 21-a marking station; 22-a rejection station; 23-a finished product station.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and examples, wherein like parts are not repeated. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "upper" and "lower" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model.

As shown in fig. 1, the laser marking machine with the adjustable clamp comprises a control box 1 provided with a PLC control system, a laser printing head 3 and a workbench 2 positioned on one side of the control box 1, wherein the upper part of the control box 1 is connected with a support column 5 in a sliding manner, one side of the support column 5 is connected with a laser generator 4 in a sliding manner, therefore, the laser printing head 3 can horizontally move or vertically move to adapt to workpieces with different sizes, and a display screen 6 is arranged on the upper part of the control box 1 and positioned on one side of the support column 5 and is used for setting or observing various data during marking.

As shown in fig. 1 and 2, a workbench 2 is arranged below a laser printing head 3 on one side of the control box 1, a rotary cylinder dividing plate 8 is arranged on the upper portion of the workbench 2, the rotary cylinder dividing plate 8 is a four-position dividing plate, every time the dividing plate rotates for ninety degrees, the rotary cylinder dividing plate 8 equally divides the workbench 2 into four stations, namely a feeding station 20, a marking station 21, a rejecting station 22 and a finished product station 23, a positioning rotary plate 9 rotating along with the rotary cylinder dividing plate 8 is connected on the upper portion of the rotary cylinder dividing plate 8, and adjustable clamps 12 are arranged above the four stations of the positioning rotary plate 9. The laser printer head 3 is provided with a code reader 7 for reading the two-dimensional code after marking, and the code reader 7 is not limited to be arranged on the laser printer head 3, and can be supported by a bracket and arranged on the upper part of the workbench 2. The workbench 2 is provided with a rejecting air cylinder 16 supported by an air cylinder support 10 above a rejecting station 22 and a finished air cylinder 11 supported by the air cylinder support 10 above a finished product station 23, the air cylinder support of the rejecting station 22 and the air cylinder support of the finished product station 23 are of the same structure, and the rejecting air cylinder 16 and the finished product air cylinder 11 are used for respectively pushing off and collecting unqualified products and finished products after marking.

As shown in fig. 2, after the marking is completed, the code reader 7 performs a code scanning operation on the workpiece after the marking is completed, when the code reader 7 scans the code successfully, the PLC controls the adjustable clamp 12 to be loosened at the finished product station 23, the finished product cylinder 11 pushes down the workpiece, and when the code reader 7 fails to scan the code, the PLC controls the adjustable clamp 12 to be loosened at the rejecting station 22, and the rejecting cylinder 16 pushes down the workpiece. Preferably, the outer sides of the rejecting station 22 and the finishing station 23 are respectively provided with a rejecting slide 17 and a finishing slide 13 for smoothly pushing down the workpiece into the collecting box. In a preferred embodiment, the positioning turntable 9 is arranged below the adjustable clamp 12 and is provided with a photoelectric sensor 14 for transmitting signals to the laser printing head 3 to start the marking process.

As shown in fig. 3 and fig. 4, the adjustable clamp 12 includes a clamp base plate 1201 connected to the positioning turntable 9, a first electromagnetic clamping plate 1202 and a second electromagnetic clamping plate 1204 capable of clamping the workpiece 15 are disposed on two sides of the clamp base plate 1201, electromagnets with opposite coil directions are disposed in the first electromagnetic clamping plate 1202 and the second electromagnetic clamping plate 1204, and the PLC control system receives signals of the code reader to control the opening and closing of the adjustable clamp 12. When the code reader 7 scans the code successfully, the PLC controls the adjustable clamp 12 to be loosened at a finished product station 23, the finished product cylinder 11 pushes down the workpiece, and when the code reader 7 scans the code successfully, the PLC controls the adjustable clamp 12 to be loosened at a rejecting station 22, and the rejecting cylinder 16 pushes down the workpiece; in this embodiment, the workpiece 15 may be a workpiece with a circular clamped portion, such as a pneumatic joint, or may be another workpiece that is convenient to clamp.

In a preferred embodiment, the first electromagnetic clamping plate 1202 is fixedly connected to the clamp base 1201, and the second electromagnetic clamping plate 1204 is slidably connected to the slide slot 1206 at the bottom of the clamp base 1201. The first electromagnetic clamping plate 1202 and the second electromagnetic clamping plate 1204 are respectively provided with a first clamping plate groove 1203 and a second clamping plate groove 1205 in opposite directions. The first clamping groove 1203 and the second clamping groove 1205 can enable the adjustable clamp 12 to clamp the workpiece more stably, of course, the first clamping groove 1203 and the second clamping groove 1205 are not limited to the shapes shown in the figures, and can also correspondingly set the clamping groove shapes with more formats according to the shapes of the workpiece, and in a preferred embodiment, a graduated scale can be arranged at the position of the clamp base 1202 for clamping the workpiece, so as to facilitate the positioning accuracy of the workpiece.

While the preferred embodiments and examples of the present utility model have been described in detail with reference to the accompanying drawings, the present utility model is not limited to the embodiments and examples described above, and various changes and equivalent substitutions can be made therein without departing from the spirit of the present utility model within the scope of the claims of the present application, and all examples falling within the scope of the present utility model are claimed.

Claims

1. The utility model provides a laser marking machine of adjustable anchor clamps, is including control box (1) that is equipped with PLC control system, laser printer head (3) and workstation (2) that are located control box (1) one side, workstation (2) upper portion is equipped with revolving cylinder graduated disk (8), its characterized in that: the laser printing head (3) one side is equipped with the code reader (7) of reading the two-dimensional code after marking, rotary cylinder graduated disk (8) divide equally work bench (2) into four position graduated disks of material loading station (20), marking station (21), rejection station (22) and finished product station (23), rotary cylinder graduated disk (8) upper portion is connected with location carousel (9) rotatory along with rotary cylinder graduated disk (8), location carousel (9) are located four stations's top all and are equipped with adjustable anchor clamps (12), work bench (2) are located rejection station (22) top and are equipped with rejection cylinder (16) by cylinder support (10) support and are located finished product station (23) top and are equipped with finished product cylinder (11) by cylinder support (10) support for collect reject and finished product are pushed down respectively after marking.

2. The adjustable clamp laser marking machine of claim 1, wherein: the adjustable clamp (12) comprises a clamp bottom plate (1201) connected with a positioning turntable (9), a first electromagnetic clamping plate (1202) and a second electromagnetic clamping plate (1204) capable of clamping a workpiece (15) are arranged on two sides of the clamp bottom plate (1201), electromagnets with opposite coil directions are arranged in the first electromagnetic clamping plate (1202) and the second electromagnetic clamping plate (1204), and the PLC control system receives signals of a code reader to control the opening and closing of the adjustable clamp (12).

3. The adjustable clamp laser marking machine of claim 2, wherein: the first electromagnetic clamping plate (1202) is fixedly connected with the clamp bottom plate (1201), and the second electromagnetic clamping plate (1204) is in sliding connection with a sliding groove (1206) at the bottom of the clamp bottom plate (1201).

4. The adjustable clamp laser marking machine of claim 2, wherein: the first electromagnetic clamping plate (1202) and the second electromagnetic clamping plate (1204) are respectively provided with a first clamping plate groove (1203) and a second clamping plate groove (1205) in opposite directions.

5. The adjustable clamp laser marking machine of claim 1, wherein: the positioning turntable (9) is arranged below the adjustable clamp (12) and is used for transmitting signals to the laser printing head (3) to start marking.

6. The adjustable clamp laser marking machine of claim 1, wherein: the laser generator (4) of the laser printing head (3) is in sliding connection with the supporting column (5), the supporting column (5) is in sliding connection with the bottom of the control box (1), and the laser printing head (3) can move horizontally or vertically so as to adapt to workpieces with various different sizes.