A labeling machine for elbow joints

Abstract

The present invention provides a labeling machine for elbow joints, which belongs to the technical field of labeling equipment. It solves the technical problem that the existing labeling machine is difficult to ensure the quality of long labels. The labeling machine for elbow joints includes a workbench, a conveyor belt is horizontally arranged on the workbench, and a label delivery mechanism is arranged on one side of the horizontal direction of the conveyor belt. The label delivery mechanism includes a label delivery plate, and the outer end of the label delivery plate is inclined toward the unloading end of the conveyor belt. The labeling machine also includes an adjusting rod and a strip-shaped flexible brush head. The adjusting rod is horizontally rotatably connected to the workbench surface at the label delivery mechanism and locked with the workbench. The inner end of the flexible brush head is horizontally rotatably connected to the adjusting rod and locked with the adjusting rod. The outer end of the label delivery plate and the outer end of the flexible brush head are both located directly above the conveyor belt and are arranged oppositely and sequentially along the conveying direction of the conveyor belt. The outer end of the flexible brush head exceeds the label delivery plate along the width direction of the conveyor belt and deflects to the side away from the label delivery plate. The present invention can effectively improve the labeling quality of product labels with longer lengths.

Description

Technical Field

[0001] The invention belongs to the technical field of labeling equipment and relates to a labeling machine for elbow joints. Background Art

[0002] Product labels record product trademarks and product qualification information, and are important indicators of product quality. However, the efficiency of labeling is very low if it is done manually. A labeling machine is a device that sticks rolls of self-adhesive paper labels (paper or metal foil) on products or specified packaging, which can greatly improve product labeling efficiency.

[0003] For example, the patent application with the publication number CN103523520A discloses a blood collection tube bottle collecting device for a blood collection tube labeling machine, which includes a main transmission chain, a labeling unit and a label delivery unit. The blood collection tube bottles are placed in sequence between the rollers of the main transmission chain of the blood collection tube labeling machine. Driven by the main transmission chain, the tube bottles enter the labeling unit in sequence to be labeled, and the label delivery unit delivers one label to the labeling unit each time to complete the labeling process for each blood collection tube bottle.

[0004] The above device can realize the automatic labeling operation for straight pipes, but for the labels of bent pipe products, it is also necessary to record information such as trademarks, product model information and anti-counterfeiting marks, so the length of the label is often longer. After the device labels the surface of the bent pipe joint, it is easy for the two ends of the label to remain in a tilted state, and the labeling quality is insufficient. In order to improve the labeling quality, technicians in this field can easily consider: after the initial labeling is completed, strong wind is blown on the front of the label position to make the product label stick to it, or a movable mechanism is set to drive the roller to smooth the two ends of the product label. Summary of the invention

[0005] In view of the above problems existing in the prior art, the present invention provides a labeling machine for elbow joints. The technical problem to be solved by the present invention is that it is difficult for the prior labeling machine to ensure the quality of long labels.

[0006] The purpose of the present invention can be achieved by the following technical solutions:

[0007] A labeling machine for elbow joints, comprising a workbench, on which a conveyor belt capable of conveying elbow joints one by one is horizontally arranged, a label delivery mechanism is arranged on one side of the conveyor belt in the horizontal direction, the label delivery mechanism comprises a horizontally arranged strip-shaped label output plate, the outer end of the label output plate is inclined toward the unloading end of the conveyor belt, and the labeling machine is characterized in that it also comprises an adjusting rod and a strip-shaped flexible brush head, the adjusting rod is horizontally rotatably connected to the workbench surface at the label output mechanism and locked with the workbench, the inner end of the flexible brush head is horizontally rotatably connected to the adjusting rod and locked with the adjusting rod, the outer ends of the label output plate and the flexible brush head are both located directly above the conveyor belt and are opposite and arranged in sequence along the conveying direction of the conveyor belt, the outer end of the flexible brush head exceeds the label output plate along the width direction of the conveyor belt and deviates to the side away from the label output plate.

[0008] The conveyor belt can drive the spaced elbow joints to move, and the label delivery mechanism can be an existing device, which can deliver the product labels for pasting on the elbow joints one by one. The specifically arranged label delivery plate extends horizontally toward the top of the conveyor belt and tilts toward the unloading end of the conveyor belt, so that the paper tape with the product label can be turned nearly 180 degrees at the outer end of the label delivery plate, so that the product label with a certain rigidity is separated from the paper tape and the side with glue is directed toward the elbow joint coming with the conveyor belt, so that the product label is pasted to the elbow joint when it passes by; an adjusting rod extending toward the conveyor belt is arranged to be horizontally rotatably connected to the top surface of the workbench at the label delivery mechanism and locked to the workbench, and at the same time, a flexible brush head that can be horizontally rotated and adjusted relative to the adjusting rod is connected to the adjusting rod and the flexible brush head is locked with the adjusting rod, so that the flexible brush head is arranged as a whole along the width direction of the conveyor belt, and the outer end of the flexible brush head exceeds the outer end of the label delivery plate and deflects toward the side away from the label delivery plate, so that the elbow joint passes through the label delivery mechanism during operation. The product label part is pasted on its surface after the plate is moved, and then the conveyor belt continues to drive the elbow joint to move to the flexible brush head. Due to the inclination angle of the label plate, the front part of the product label is not warped, but has good rigidity and is not easy to wrinkle, so that the flexible part of the flexible brush head exceeding the label plate will first contact the warped edge of the front part of the product label, and the product label can fit well after being compressed. Then the conveyor belt continues to drive the elbow joint to move, so that the flexible brush head will eventually smooth the warped rear part of the product label after deformation, compression and reset and elongation along the cylindrical surface of the elbow joint, thereby ensuring the labeling quality of long labels. At the same time, when there is a defect in the fitting quality, the adjusting rod can be unlocked for swing fine-tuning, which can conveniently adjust the size of the flexible brush head exceeding the label plate. The flexible brush head can be unlocked for swing fine-tuning to achieve the adjustment of its deflection angle, which is conducive to intuitive observation and improvement of the best fit of the product label, and effectively improves the labeling quality of product labels with longer lengths.

[0009] In the above elbow joint labeling machine, the adjusting rod has a strip-shaped adjusting groove arranged along the length direction, the adjusting groove is vertically penetrated, the rigid end of the flexible brush head is fixed to the adjusting rod via a bolt vertically penetrating the adjusting groove, and the adjusting rod is fixed to the top surface of the workbench via a bolt vertically penetrating the adjusting rod. In this way, after the bolt of the flexible brush head is unlocked, the locking position on the adjusting rod can be quickly adjusted, thereby simultaneously changing the deflection angle and the depth of extension, improving the efficiency of fine-tuning, and also further increasing the range of fine-tuning.

[0010] In the above elbow joint labeling machine, the vertical dimension of the flexible brush head is greater than the vertical width dimension of the labeling plate, which helps to ensure that the flexible brush head can fully cover the pasting range of the product label, avoid that part of the edge of the product label cannot be smoothed, and ensure the labeling quality.

[0011] In the above-mentioned elbow joint labeling machine, the conveyor belt is connected with a plurality of positioning truncated tables for positioning with the elbow joint ports, the positioning truncated tables are arranged at intervals along the length direction of the conveyor belt, and a material sorting rod that can be opposite to the top of the elbow joint is provided on the workbench on the other side of the horizontal direction of the conveyor belt, and the material sorting rod is arranged parallel to the conveyor belt. In this way, the specific port of the elbow joint can be positioned and sleeved on the positioning truncated table so that it can be loaded with materials in an orderly and spaced manner, ensuring the precise operation of the labeling process, and the material sorting rod is provided to facilitate the elbow part at the top of the elbow joint on the positioning truncated table to obtain its angle limit under the action of directional rotation, thereby making the orientation of the elbow joint within the range of the material sorting rod consistent, so that the labeling position is maintained at a uniform position of the elbow joint, improving the labeling accuracy and quality.

[0012] In the above elbow joint labeling machine, the end of the material sorting rod close to the feeding end of the conveyor belt has an inclined guide surface, and the inclined guide surface is vertically arranged and located on the side of the material sorting rod close to the adjusting rod. In this way, when loading, the top elbow part of the elbow joint installed on the positioning round table can be first directed to the side where the material sorting rod is located. When the elbow joint moves to the material sorting rod, the elbow part can be gradually deflected around the positioning round table toward the feeding end of the conveyor belt under the action of the inclined guide surface until the elbow part no longer interferes with the material sorting rod and reaches a unified direction, so that the elbow joint moves smoothly and the labeling quality is guaranteed.

[0013] In the above elbow joint labeling machine, the material sorting rod can move along the width direction of the conveyor belt and be locked with the workbench. In this way, the position of the material sorting rod and the position of the flexible brush head can be adaptively adjusted according to the labeling requirements of elbow joint products with different outer diameters, so that different products can still achieve stable and accurate labeling processing.

[0014] In the above elbow joint labeling machine, a limiting rod parallel to the material sorting rod and opposite to the top of the elbow joint is also provided on the workbench on one side of the conveyor belt. The limiting rod is located at the feeding end of the conveyor belt, and the limiting rod is arranged at intervals from the labeling plate along the length direction of the conveyor belt. In this way, the limiting rod can provide a mandatory constraint for the elbow joint at the feeding end to avoid the elbow part at the top of the elbow joint facing the side where the label delivery mechanism is located during feeding. In this way, the material sorting rod can stably unify the direction of the elbow joints to be labeled, avoid differences in labeling positions caused by misoperation, and ensure labeling quality.

[0015] In the above elbow joint labeling machine, the limiting rod can move along the width direction of the conveyor belt and lock with the workbench. In this way, the limiting rod can also be adaptively adjusted according to elbow joint products with different outer diameters, so that the feeding process is accurate and stable.

[0016] In the above-mentioned elbow joint labeling machine, a thrust brush arranged along the width direction of the conveyor belt is connected to the workbench on the other side of the conveyor belt in the horizontal direction or the material sorting rod, the thrust brush is consistent in height with the material sorting rod, the flexible end of the thrust brush extends beyond the side of the material sorting rod and is arranged above the conveyor belt, and a smoothing brush arranged along the width direction of the conveyor belt is fixed on the workbench on the side of the conveyor belt that is away from the thrust brush in the horizontal direction of the conveyor belt, the flexible end of the smoothing brush is arranged above the conveyor belt, the height of the smoothing brush is consistent with the height of the flexible brush head, and the smoothing brush is located between the thrust brush and the unloading end of the conveyor belt along the length direction of the conveyor belt. In this way, the elbow joint smoothed by the flexible brush head can be moved with the conveyor belt to the thrust brush. At this time, the thrust brush will interfere with the elbow joint due to its protruding side of the material sorting rod and push the elbow part on the top of the elbow joint to deflect around the positioning cone toward the side where the label feeding mechanism is located after the compression deformation is reset. At this time, the raised part of the rear of the product label pasted on the surface of the elbow joint will follow the rotation to the side closer to the smoothing brush. After that, the elbow joint can fully smooth the raised rear part of the product label that is not easy to smoothen with the flexible brush head after passing through the smoothing brush, thereby improving the labeling quality of product labels with longer lengths.

[0017] In the above elbow joint labeling machine, the thrust brush is arranged close to the smoothing brush along the length direction of the conveyor belt. This is conducive to the elbow part at the top of the elbow joint being pushed and deflected by the thrust brush, and then the smoothing brush starts to further smooth the product label on the elbow joint, which can avoid the elbow joint being deflected and reset around the positioning round table due to the loss of the thrust brush when the smoothing brush acts on the elbow joint, resulting in the smoothing brush being unable to fully smooth the rear part of the product label, thereby improving the labeling quality.

[0018] Compared with the prior art, the advantages of the present invention are as follows:

[0019] During operation, the elbow joint labeling machine can enable the flexible brush head to smooth out the front and rear warps of the product label in turn, ensuring the labeling quality of long labels. At the same time, when there are defects in the fitting quality, the rigid end and the adjustment rod of the flexible brush head can be unlocked for swing fine-tuning, which is conducive to intuitive observation and improvement of the best fitting degree of the product label, and effectively improves the labeling quality of product labels with longer lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the working state of this embodiment.

[0021] Figure 2 yes Figure 1 Enlarged view of part A in .

[0022] Figure 3 It is a top view schematic diagram of the working state of this embodiment.

[0023] In the figure, 1. workbench;

[0024] 2. Conveyor belt; 21. Loading end; 22. Unloading end;

[0025] 3. Bid delivery mechanism; 31. Bid board;

[0026] 4. Adjustment rod; 41. Adjustment slot;

[0027] 5. Flexible brush head; 6. Limiting rod; 7. Positioning round table;

[0028] 8. Material sorting rod; 81. Inclined guide surface;

[0029] 101. Thrust brush; 102. Smoothing brush. DETAILED DESCRIPTION

[0030] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0031] like Figure 1-3As shown, the elbow joint labeling machine includes a workbench 1, on which a conveyor belt 2 capable of conveying elbow joints one by one is horizontally arranged, and a label delivery mechanism 3 is arranged on one side of the conveyor belt 2 in the horizontal direction. The label delivery mechanism 3 is an existing device, which can deliver product labels for pasting on the elbow joints one by one, and includes a tape unwinding reel, a tape rewinding reel and a plurality of vertically arranged tape delivery rollers. The tape unwinding reel and the tape rewinding reel are driven by a motor, and their retraction and unwinding are performed synchronously in a pulse manner so that a product label is released each time the movement is performed. The design that specifically relies on a position sensor to control the retraction and unwinding action to be synchronously coordinated with the movement of the conveyor belt 2 belongs to the prior art. A label delivery plate 31 is arranged near the conveyor belt 2, and the outer end of the label delivery plate 31 is located above the conveyor belt 2 and is inclined toward the unloading end 22 of the conveyor belt 2. 31 is wedge-shaped and has an adjustable inclination angle. The tip of the label plate 31 is the label end and is rounded, so that the paper tape with the product label can be turned nearly 180 degrees at the outer tip of the label plate 31 to separate the product label from the paper tape; the labeling machine also includes an adjusting rod 4 and a strip-shaped flexible brush head 5, the adjusting rod 4 is horizontally rotatably connected to the top surface of the workbench 1 at the label feeding mechanism 3 and locked with the workbench 1, the flexible brush head 5 is located on the side of the label plate 31 close to the unloading end 22 and opposite to the label plate 31, the inner end of the flexible brush head 5 is horizontally rotatably connected to the adjusting rod 4 and locked with the adjusting rod 4, and the flexible end of the flexible brush head 5 is a plurality of flexible strips that extend beyond the outer end of the label plate 31 along the width direction of the conveyor belt 2 and are inclined toward a side away from the label plate 31. Specifically, the adjusting rod 4 has a strip-shaped adjusting groove 41 arranged along the length direction, the adjusting groove 41 is vertically penetrated, the rigid end of the flexible brush head 5 is fixed to the adjusting rod 4 by a bolt vertically penetrating the adjusting groove 41 from bottom to top, and the adjusting rod 4 is fixed to the top surface of the workbench 1 by a bolt vertically penetrating the adjusting rod 4 from top to bottom. The vertical dimension of the flexible brush head 5 is greater than the vertical width dimension of the marking plate 31.

[0032] like Figure 1-3As shown, the surface of the conveyor belt 2 is fixedly connected with a plurality of positioning truncated cones 7 for positioning with the elbow joint port, and the positioning truncated cones 7 are arranged at intervals along the length direction of the conveyor belt 2. A material sorting rod 8 that can be opposite to the top of the elbow joint is provided on the workbench 1 on the other side of the conveyor belt 2 in the horizontal direction, and the material sorting rod 8 is arranged parallel to the conveyor belt 2. The material sorting rod 8 has an inclined guide surface 81 at one end close to the feeding end 21 of the conveyor belt 2, and the inclined guide surface 81 is vertically arranged and located on the side of the material sorting rod 8 close to the adjusting rod 4. A limiting rod 6 that is parallel to the material sorting rod 8 and can be opposite to the top of the elbow joint is also provided on the workbench 1 on one side of the conveyor belt 2, and the limiting rod 6 is located at the feeding end 21, and the limiting rod 6 is arranged at intervals from the marking plate 31 along the length direction of the conveyor belt 2. Preferably, the material sorting rod 8 can move along the width direction of the conveyor belt 2 and be locked with the workbench 1, and the limiting rod 6 can move along the width direction of the conveyor belt 2 and be locked with the workbench 1. Specifically, the material sorting rod 8 and the limiting rod 6 are both connected with a horizontally arranged and perpendicular guide rod, and the guide rod is inserted into a guide sleeve fixed on the workbench 1, and the guide sleeve is threadedly connected with an adjusting screw perpendicular to the guide rod, and the inner end of the adjusting screw is locked against the guide rod.

[0033] like Figure 1-3 As shown, the material sorting rod 8 is connected with a thrust brush 101 arranged along the width direction of the conveyor belt 2. The thrust brush 101 is consistent with the height of the material sorting rod 8. The flexible end of the thrust brush 101 exceeds the side of the material sorting rod 8 and is arranged above the conveyor belt 2. A smoothing brush 102 arranged along the width direction of the conveyor belt 2 is fixed on the workbench 1 on the side of the conveyor belt 2 that is away from the thrust brush 101 in the horizontal direction. The flexible end of the smoothing brush 102 is arranged above the conveyor belt 2. The height of the smoothing brush 102 is consistent with the height of the flexible brush head 5. The smoothing brush 102 is located between the thrust brush 101 and the unloading end 22 along the length direction of the conveyor belt 2. The thrust brush 101 is arranged close to the smoothing brush 102 along the length direction of the conveyor belt 2.

[0034] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A labeling machine for elbow joints, comprising a workbench (1), a conveyor belt (2) for conveying elbow joints one by one being arranged horizontally on the workbench (1), a label delivery mechanism (3) being arranged on one side of the conveyor belt (2) in a horizontal direction, the label delivery mechanism (3) comprising a horizontally arranged strip-shaped label delivery plate (31), the outer end of the label delivery plate (31) being inclined toward a discharge end (22) of the conveyor belt (2), and characterized in that: The labeling machine further comprises an adjusting rod (4) and a strip-shaped flexible brush head (5), wherein the flexible brush head (5) can be opposite to the cylindrical surface of the elbow joint, the adjusting rod (4) is horizontally rotatably connected to the workbench (1) at the label delivery mechanism (3) and is locked to the workbench (1), the inner end of the flexible brush head (5) is rotatably connected to the adjusting rod (4) and is locked to the adjusting rod (4), and the outer end of the label delivery plate (31) and the outer end of the flexible brush head (5) are both located directly above the conveyor belt (2). The conveyor belt (2) is provided with a plurality of positioning truncated tables (7) for positioning with the ends of the elbow joints, the positioning truncated tables (7) being arranged at intervals along the length direction of the conveyor belt (2), and a workbench (1) on the other side of the conveyor belt (2) in the horizontal direction is provided with a bending table (1) which can be aligned with the top of the elbow joint. The material sorting rod (8) is opposite to the pipe part, the material sorting rod (8) is arranged in parallel with the conveyor belt (2), and a thrust brush (101) arranged along the width direction of the conveyor belt (2) is connected to the workbench (1) or the material sorting rod (8) on the other side of the conveyor belt (2) in the horizontal direction, the thrust brush (101) is consistent with the height of the material sorting rod (8), the flexible end of the thrust brush (101) exceeds the side of the material sorting rod (8) and is arranged above the conveyor belt (2), and the conveyor belt ( 2) A smoothing brush (102) is fixedly provided on a workbench (1) on a side facing away from the thrust brush (101) in a horizontal direction and is arranged along the width direction of the conveyor belt (2); the flexible end of the smoothing brush (102) is arranged above the conveyor belt (2); the height of the smoothing brush (102) is consistent with the height of the flexible brush head (5); and the smoothing brush (102) is located between the thrust brush (101) and the unloading end (22) of the conveyor belt (2) along the length direction of the conveyor belt (2).

2. The elbow joint labeling machine according to claim 1, characterized in that: The adjusting rod (4) has a strip-shaped adjusting groove (41) arranged along the length direction, the adjusting groove (41) is vertically penetrated, the rigid end of the flexible brush head (5) is fixed to the adjusting rod (4) via a bolt vertically penetrating the adjusting groove (41), and the adjusting rod (4) is fixed to the top surface of the workbench (1) via a bolt vertically penetrating the adjusting rod (4).

3. The elbow joint labeling machine according to claim 1 or 2, characterized in that: The vertical dimension of the flexible brush head (5) is greater than the vertical width dimension of the marking plate (31).

4. The elbow joint labeling machine according to claim 1 or 2, characterized in that: One end of the material sorting rod (8) close to the feeding end (21) of the conveyor belt (2) has an inclined guide surface (81), and the inclined guide surface (81) is vertically arranged and located on the side surface of the material sorting rod (8) close to the adjusting rod (4).

5. The elbow joint labeling machine according to claim 1 or 2, characterized in that: The material sorting rod (8) can move along the width direction of the conveyor belt (2) and be locked with the workbench (1).

6. The elbow joint labeling machine according to claim 1 or 2, characterized in that: A limiting rod (6) is also provided on the workbench (1) on one side of the conveyor belt (2), which is parallel to the material sorting rod (8) and can be opposite to the top of the elbow joint. The limiting rod (6) is located at the feeding end (21). The limiting rod (6) is arranged in a staggered manner with the marking plate (31) along the length direction of the conveyor belt (2).

7. The elbow joint labeling machine according to claim 6, characterized in that: The limiting rod (6) can move along the width direction of the conveyor belt (2) and be locked with the workbench (1).

8. The elbow joint labeling machine according to claim 1 or 2, characterized in that: The thrust brush (101) is arranged close to the smoothing brush (102) along the length direction of the conveyor belt (2).

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