Marking machine for plastic bottle processing

Abstract

The utility model relates to the technical field of plastic bottle processing, and discloses a marking machine for plastic bottle processing, which comprises a support plate, and a distance adjusting mechanism is fixedly arranged at the upper end of the support plate; the distance adjusting mechanism comprises a fixing column, the fixing column is fixedly connected to the upper end of the supporting plate, a first sliding block is slidably connected to the interior of the fixing column, a first connecting rod is hinged to the first sliding block, a connecting frame is hinged to the end, away from the first sliding block, of the first connecting rod, and second sliding blocks are fixedly connected to the two sides of the connecting frame; and the fixed column is fixedly connected with a connecting block. According to the utility model, the distance between the laser marking head and the plastic bottle to be marked is adjusted through the distance adjusting mechanism, so that the laser beam of the laser marking head can be accurately focused on the surface of the plastic bottle to form a clear and accurate mark; the laser beam focusing effect weakening caused by the too short distance or laser energy dissipation caused by the too long distance is avoided, and therefore the marking definition is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic bottle processing, in particular to a marking machine for plastic bottle processing. Background Art

[0002] Plastic bottle production marking is an important link in the plastic bottle production process, mainly involving printing or engraving identification information on the surface of plastic bottles, such as production date, batch number, brand logo, two-dimensional code, etc.

[0003] A plastic bottle body automatic marking device with the publication number of CN211918108U. The utility model discloses a plastic bottle body automatic marking device, which includes a frame, a workbench, a bottle body fixing seat, a cam indexing plate, a motor and a marking machine. The cam indexing plate, the motor and the marking machine are fixedly installed on the frame. The motor is connected to the input shaft of the cam indexing plate through a belt. The workbench is fixedly connected to the output shaft of the cam indexing plate through a coupling. The bottle body fixing seat includes a seat body and a fixture movably installed on the seat body. The seat body is fixedly installed on the workbench surface along the circumference. The plastic bottle body automatic marking device of the utility model realizes two fixing methods of the bottle body or the bottle mouth by installing spring clips and annular connecting blocks on the intermittently rotating workbench, meets different marking installation requirements, has strong versatility, avoids changing the production line when producing different bottle bodies, saves manpower and improves work efficiency.

[0004] However, there are many limitations in the marking method. For example, during the marking process, the distance between the laser marking head and the surface of the plastic bottle cannot be adjusted, resulting in blurred or uneven marking effects. At the same time, it is difficult to achieve efficient and accurate marking for the chamfered area at the edge of the plastic bottle, which affects the overall beauty and quality of the product. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the disadvantages existing in the prior art, and a marking machine for plastic bottle processing is proposed.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: A marking machine for plastic bottle processing, including a support plate, and an adjustable distance mechanism is fixedly arranged at the upper end of the support plate; the adjustable distance mechanism includes a fixed column, the fixed column is fixedly connected to the upper end of the support plate, a first slider is slidably connected inside the fixed column, the first slider is hinged to a first connecting rod, the first connecting rod is hinged to a connecting frame at the end far away from the first slider, second sliders are fixedly connected to both sides of the connecting frame, a connecting block is fixedly connected to the fixed column, a fixed block is fixedly connected to the upper end of the connecting block, a sliding shaft is fixedly connected to the fixed block, and the sliding shaft is slidably connected to the second slider; it also includes a driving mechanism one, and the driving mechanism one is used to drive the first slider to slide.

[0007] As a further description of the above technical solution: A steering mechanism is provided at the upper end of the distance adjustment mechanism. The steering mechanism includes a third slider, which is slidably connected to the connecting frame. The third slider is hinged with a second connecting rod. One end of the second connecting rod away from the third slider is hinged with a fourth connecting rod. One end of the fourth connecting rod is fixedly connected with a laser marking head. The other end of the fourth connecting rod is hinged with a third connecting rod. The end of the third connecting rod away from the fourth connecting rod is fixedly connected to the connecting frame;

[0008] It further includes a second driving mechanism, which is used to drive the third slider to slide.

[0009] As a further description of the above technical solution: A conveying mechanism is fixedly provided at the upper end of the support plate. The conveying mechanism includes a support frame, and a driving shaft is rotatably connected to the support frame. There are two driving shafts, and a conveyor belt is arranged between the two driving shafts; It further includes a third driving mechanism, which is used to drive the driving shaft to rotate.

[0010] As a further description of the above technical solution: There are two sliding shafts, and the two sliding shafts are arranged on both sides of the connecting frame.

[0011] As a further description of the above technical solution: The second connecting rod and the fourth connecting rod are arranged in a cross shape.

[0012] As a further description of the above technical solution: There are multiple fixing blocks, and the sliding shaft is arranged between two of the fixing blocks.

[0013] As a further description of the above technical solution: The fixing column and the connecting block are arranged perpendicular to each other.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, through the distance adjustment mechanism, the distance between the laser marking head and the plastic bottle to be marked is adjusted, so that the laser beam of the laser marking head can accurately focus on the surface of the plastic bottle, forming a clear and precise mark, avoiding the weakening of the laser beam focusing effect caused by too close a distance or the dissipation of laser energy caused by too far a distance, thus ensuring the clarity of the marking.

[0016] 2. In the utility model, through the steering mechanism, it is convenient to adjust the angle of the laser marking head to mark the chamfer of the plastic bottle, improving the marking efficiency. Description of the Drawings

[0017] Figure 1 It is a three-dimensional structural schematic diagram of a marking machine for plastic bottle processing proposed by the utility model;

[0018] Figure 2Schematic diagram of the partial three-dimensional structure of a marking machine for plastic bottle processing proposed by the present utility model Figure 1 ;

[0019] Figure 3 Schematic diagram of the partial three-dimensional structure of a marking machine for plastic bottle processing proposed by the present utility model Figure 2 。

[0020] Legend description:

[0021] 1. Support plate; 2. Conveying mechanism; 201. Support frame; 202. Driving shaft; 203. Conveyor belt; 3. Distance adjustment mechanism; 301. Fixed column; 302. First slider; 303. First connecting rod; 304. Connecting frame; 305. Fixed block; 306. Slide shaft; 307. Second slider; 308. Connecting block; 4. Steering mechanism; 401. Third slider; 402. Second connecting rod; 403. Third connecting rod; 404. Fourth connecting rod; 5. Laser marking head. Specific implementation mode

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] Embodiment 1

[0024] Referring to Figures 1-3 as shown, a marking machine for plastic bottle processing includes a support plate 1. A distance adjustment mechanism 3 is fixedly arranged at the upper end of the support plate 1. The distance adjustment mechanism 3 includes a fixed column 301. The fixed column 301 is fixedly connected to the upper end of the support plate 1. A first slider 302 is slidably connected inside the fixed column 301. The first slider 302 is hinged to a first connecting rod 303. One end of the first connecting rod 303 away from the first slider 302 is hinged to a connecting frame 304. Second sliders 307 are fixedly connected to both sides of the connecting frame 304. A connecting block 308 is fixedly connected to the fixed column 301. A fixed block 305 is fixedly connected to the upper end of the connecting block 308. The fixed block 305 is fixedly connected to a slide shaft 306. The slide shaft 306 is slidably connected to the second slider 307. Through the distance adjustment mechanism 3, the distance between the laser marking head 5 and the plastic bottle to be marked is adjusted, so that the laser beam of the laser marking head 5 can accurately focus on the surface of the plastic bottle, forming a clear and precise mark, avoiding the weakening of the laser beam focusing effect caused by too close a distance or the dissipation of laser energy caused by too far a distance, thereby ensuring the clarity of the marking.

[0025] It further includes a first driving mechanism for driving the first slider 302 to slide. The first driving mechanism can be a cylinder. There are two sliding shafts 306, and the two sliding shafts 306 are arranged on both sides of the connecting frame 304. There are multiple fixing blocks 305, and the sliding shafts 306 are arranged between two of the fixing blocks 305. The fixing column 301 and the connecting block 308 are vertically arranged.

[0026] Embodiment 2

[0027] On the basis of Embodiment 1, a steering mechanism 4 is arranged at the upper end of the distance adjusting mechanism 3. The steering mechanism 4 includes a third slider 401 which is slidably connected to the connecting frame 304. The third slider 401 is hinged with a second connecting rod 402. One end of the second connecting rod 402 away from the third slider 401 is hinged with a fourth connecting rod 404. One end of the fourth connecting rod 404 is fixedly connected with a laser marking head 5. The laser marking head 5 is a prior art. The other end of the fourth connecting rod 404 is hinged with a third connecting rod 403. One end of the third connecting rod 403 away from the fourth connecting rod 404 is fixedly connected to the connecting frame 304. Through the steering mechanism 4, it is convenient to adjust the angle of the laser marking head 5 to mark the chamfer of the plastic bottle, improving the marking efficiency.

[0028] It further includes a second driving mechanism for driving the third slider 401 to slide. The second driving mechanism can be a cylinder. The second connecting rod 402 and the fourth connecting rod 404 are cross - arranged.

[0029] A conveying mechanism 2 is fixedly arranged at the upper end of the support plate 1. The conveying mechanism 2 includes a support frame 201. The support frame 201 is rotatably connected with a driving shaft 202. There are two driving shafts 202, and a conveyor belt 203 is arranged between the two driving shafts 202. It further includes a third driving mechanism for driving the driving shaft 202 to rotate. The third driving mechanism can be a driving motor.

[0030] Working principle: First, the staff places the plastic bottle on the conveyor belt 203, and drives the drive shaft 202 to rotate through the drive motor. The drive shaft 202 drives the conveyor belt 203 to rotate, and the conveyor belt 203 can convey the plastic bottle above. Then, the cylinder in the first driving mechanism drives the first slider 302 to slide, the first slider 302 drives the first connecting rod 303 to rotate, and the rotation of the first connecting rod 303 causes the connecting frame 304 to slide along the sliding shaft 306 through the second slider 307. The connecting frame 304 drives the laser marking head 5 thereon. Thus, the distance between the laser marking head 5 and the plastic bottle to be marked is adjusted, so that the laser beam of the laser marking head 5 can accurately focus on the surface of the plastic bottle, forming a clear and precise mark, avoiding the weakening of the laser beam focusing effect caused by too close a distance or the dissipation of laser energy caused by too far a distance, thereby ensuring the clarity of the marking. Then, the cylinder in the second driving mechanism drives the third slider 401 to slide, the third slider 401 drives the second connecting rod 402 to rotate, the second connecting rod 402 drives the fourth connecting rod 404 to rotate, and the fourth connecting rod 404 drives the angle adjustment of the laser marking head 5. Thus, it is convenient to mark the chamfer of the plastic bottle and improve the marking efficiency.

[0031] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A marking machine for plastic bottle processing, comprising a support plate (1), characterized in that: A distance adjustment mechanism (3) is fixedly arranged on the upper end of the support plate (1); The distance adjustment mechanism (3) comprises a fixed column (301), wherein the fixed column (301) is fixedly connected to the upper end of the support plate (1), a first slider (302) is slidably connected inside the fixed column (301), the first slider (302) is hingedly connected to a first connecting rod (303), an end of the first connecting rod (303) away from the first slider (302) is hingedly connected to a connecting frame (304), and two sides of the connecting frame (304) are fixedly connected to a second slider (307), a connecting block (308) is fixedly connected to the fixed column (301), the upper end of the connecting block (308) is fixedly connected to a fixed block (305), the fixed block (305) is fixedly connected to a sliding shaft (306), and the sliding shaft (306) is slidably connected to the second slider (307); It also includes a driving mechanism 1, which is used to drive the first slider (302) to slide.

2. A plastic bottle processing marking machine according to claim 1, characterized in that: A steering mechanism (4) is provided at the upper end of the distance adjustment mechanism (3), and the steering mechanism (4) comprises a No. 3 slider (401), the No. 3 slider (401) is slidably connected to the connecting frame (304), the No. 3 slider (401) is hinged with a No. 2 connecting rod (402), one end of the No. 2 connecting rod (402) away from the No. 3 slider (401) is hinged with a No. 4 connecting rod (404), one end of the No. 4 connecting rod (404) is fixedly connected with a laser marking head (5), the other end of the No. 4 connecting rod (404) is hinged with a No. 3 connecting rod (403), and one end of the No. 3 connecting rod (403) away from the No. 4 connecting rod (404) is fixedly connected to the connecting frame (304); It also includes a second driving mechanism, which is used to drive the third slider (401) to slide.

3. A plastic bottle processing marking machine according to claim 1, characterized in that: A conveying mechanism (2) is fixedly arranged at the upper end of the support plate (1), and the conveying mechanism (2) comprises a support frame (201), and the support frame (201) is rotatably connected to a driving shaft (202), and two driving shafts (202) are provided, and a conveyor belt (203) is provided between the two driving shafts (202); It also includes a driving mechanism three, and the driving mechanism three is used to drive the driving shaft (202) to rotate.

4. A plastic bottle processing marking machine according to claim 1, characterized in that: Two sliding shafts (306) are provided, and the two sliding shafts (306) are arranged on both sides of the connecting frame (304).

5. A marking machine for plastic bottle processing according to claim 2, characterized in that: The second connecting rod (402) and the fourth connecting rod (404) are arranged crosswise.

6. A marking machine for plastic bottle processing according to claim 1, characterized in that: A plurality of the fixing blocks (305) are provided, and the sliding shaft (306) is provided between two of the fixing blocks (305).

7. A plastic bottle processing marking machine according to claim 1, characterized in that: The fixing column (301) and the connecting block (308) are arranged vertically.

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