Positioning mechanism of automatic labeling machine

Abstract

The utility model discloses a positioning mechanism of an automatic labeling machine, which belongs to the technical field of automatic labeling and comprises a labeling machine body, the outer side of the labeling machine body is movably connected with a support base, and the bottom of the inner side of the support base is movably connected with a transmission belt. A feeding positioning mechanism is movably connected to the inner side of the supporting base, and a positioning buffering mechanism is movably connected to the inner side of the feeding positioning mechanism, so that the limitation that a traditional labeling machine depends on a narrow conveying belt for limiting can be effectively solved; a lifting plate drives a positioning rod to reciprocate on the surface of the conveying belt to push materials to the center, the material volume is monitored in real time through a sensor, the stroke of a hydraulic cylinder is automatically adjusted, and self-adaptive positioning of the materials of different sizes is achieved; a fixing and limiting device does not need to be preset, the limitation of a narrow conveying belt on the material specification is avoided, meanwhile, the dependence of labeling operation on the initial position of the material is reduced through dynamic deviation correction, and the labeling precision is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic labeling technical field, especially in automatic labeling machine positioning mechanism. BACKGROUND

[0002] With the rapid development of modern industrial production, the efficiency and accuracy of product packaging are increasingly critical, traditional manual labeling not only slow, only a small amount of label pasting per minute, and because of the difference between manual operation, labeling position deviation is obvious, the higher the rate of defective products, which is in the face of large-scale production demand, automatic labeling machine arises at the historic moment, it relies on advanced sensors and automation mechanical structure, can quickly and accurately identify product position, with dozens or even hundreds of speed per minute stable labeling, position deviation control in a very small range, greatly improve the production efficiency, reduce the labor cost, widely used in food, medicine, daily chemical and many other industries, become the reliable equipment to ensure the efficient and orderly production.

[0003] In the prior art, traditional manual labeling, there is low production efficiency, positioning is not accurate and not beautiful, improve the labeling production efficiency, accurate positioning becomes the key link in the current labeling process;

[0004] For the above problems, the existing patent (publication number: CN221214945U) proposes an automatic labeling machine positioning mechanism, a rocker arm device and a sensing device are arranged on the workbench; The rocker arm device has a touch end and a sensing end; The touch end of the rocker arm device can abut against one side of the glass bottle, when the glass bottle rotates and the touch end of the rocker arm device is in the glass bottle concave position, the sensing end of the rocker arm device triggers the sensing device, so that the sensing device sends a labeling signal to the labeling machine, and the labeling machine starts to label the specified position of the glass bottle to realize accurate positioning and labeling, the utility model realizes accurate positioning and labeling by the touch end of the rocker arm device entering the glass bottle concave position, and the sensing end triggers the sensing device, so that the sensing device sends a labeling signal to the labeling machine, and the labeling machine starts to label the specified position of the glass bottle to realize accurate positioning and labeling, solve the problem of low production efficiency, inaccurate positioning and poor appearance of traditional manual labeling.

[0005] For the above problems, the existing patent gives a solution, but the existing automatic labeling machine usually uses a narrow transmission belt to limit the material before transferring to the labeling machine, so that it will not be skewed, but this will cause the transmission belt to have poor adaptability and cannot adapt to different volumes of materials, poor labeling accuracy and too much dependence on the initial positioning of the material, and poor flexibility, which cannot be adjusted according to the demand, and secondly, positioning by other mechanical structures may cause damage to fragile materials, resulting in a high damage rate of the overall labeling operation.

[0006] Therefore, an automatic labeling machine positioning mechanism is proposed. UTILITY MODEL CONTENT

[0007] The utility model discloses a purpose at, provide a kind of automatic labeller positioning mechanism, can solve the problem of the poor flexibility of the positioning mode of existing conventional automatic labeller, poor positioning accuracy and other positioning mechanical structure is easy to cause damage to material.

[0008] To achieve the above object, the utility model provides the following technical scheme: an automatic labeller positioning mechanism, including labeller body, the outside of the labeller body is movably connected with support base, the bottom of the inside of the support base is movably connected with conveying belt, the inside of the support base is movably connected with feeding positioning mechanism, the inside of the feeding positioning mechanism is movably connected with positioning buffer mechanism.

[0009] The feeding positioning mechanism includes a conveyor belt, a support frame, a positioning rod and a positioning assembly, the conveyor belt is movably connected to the top of the inside of the support base, the support frame is movably connected to the outside of the support base, the support frame is arranged on both sides of the top of the conveyor belt, the positioning assembly is movably connected to the top of the support frame, the positioning rod is movably connected to the bottom of the positioning assembly, and the positioning rod is arranged on the top of the conveyor belt.

[0010] Preferably, the positioning buffer mechanism includes a contact plate, a guide slide rod, a force block, a connecting rod, a first compression spring, a telescopic support and a second compression spring.

[0011] Preferably, the left guide slide rod is fixedly connected to the right side of the left positioning rod, the right guide slide rod is fixedly connected to the left side of the right positioning rod, the force block is slidably connected to the outside of the guide slide rod, the left connecting rod is rotatably connected to the right side of the left force block, the right connecting rod is rotatably connected to the left side of the right force block, the left contact plate is rotatably connected to the right side of the left connecting rod, and the right contact plate is rotatably connected to the left side of the right connecting rod.

[0012] Preferably, the front first compression spring is fixedly connected to the front side of the front force block, the front first compression spring is fixedly connected to the front side of the inside of the guide slide rod, the rear first compression spring is fixedly connected to the rear side of the rear force block, the rear first compression spring is fixedly connected to the rear side of the inside of the guide slide rod, the left telescopic support is fixedly connected to the right side of the left positioning rod, the left telescopic support is fixedly connected to the left side of the left contact plate, the right telescopic support is fixedly connected to the left side of the right positioning rod, the right telescopic support is fixedly connected to the left side of the right contact plate, and the second compression spring is fixedly connected to the inside of the telescopic support.

[0013] Preferably, the positioning assembly includes a linkage frame, a linkage rod, a lifting plate and a hydraulic cylinder.

[0014] Preferably, the linkage frame is fixedly connected at the top of the positioning rod, the linkage frame is slidably connected at the top of the support frame, the linkage rod is rotatably connected at the outer side of the linkage frame, the linkage rod is rotatably connected at the two sides of the lifting plate, the hydraulic cylinder is fixedly connected at the bottom of the lifting plate, and the hydraulic cylinder is fixedly connected at the top of the support frame.

[0015] Preferably, the outer side of the contact plate is movably connected with an elastic contact cushion.

[0016] Preferably, the top of the positioning rod is movably connected with a sensor.

[0017] Compared with the prior art, the automatic labeling machine positioning mechanism has the beneficial effects that:

[0018] 1. The feeding positioning mechanism can effectively solve the limitation of traditional labeling machines relying on narrow conveying belts for positioning, the linkage frame structure driven by the hydraulic cylinder is adopted, the lifting plate drives the positioning rod to reciprocate on the surface of the conveying belt to push the material to the center, the sensor is combined to monitor the volume of the material in real time and automatically adjust the stroke of the hydraulic cylinder, the self-adaptive positioning of materials of different sizes is realized, no fixed limiting device needs to be preset, the limitation of the narrow conveying belt on the material specifications is avoided, the dynamic deviation correction reduces the dependence of the labeling operation on the initial position of the material, the labeling precision is significantly improved, the mechanical structure can flexibly adjust the positioning stroke according to actual needs, the adaptation of the equipment to diversified materials is enhanced, the stability of the conveying process and the continuity of the operation are ensured, and the bottleneck of traditional labeling equipment in adaptability, flexibility and precision is broken through.

[0019] 2. The positioning buffer mechanism can effectively solve the damage of traditional rigid positioning to fragile materials by adopting the indirect contact type elastic buffer structure, the positioning thrust is converted into elastic potential energy storage by the linkage design of the contact plate, the telescopic support and the second compression spring, direct rigid collision is avoided, the horizontal thrust is transferred to the vertical direction by the first compression spring extruded by the connecting rod transmission force block, the impact force is further buffered, the reciprocating elastic positioning ensures that the material gradually calibrates the position under the flexible constraint and reduces the instantaneous impact, the two-stage elastic buffer system not only maintains the positioning precision, but also converts the peak thrust into controllable elastic deformation through the potential energy conversion and mechanical work double mechanism, avoids the material damage caused by rigid contact or inertial impact of traditional mechanical positioning, significantly reduces the damage rate of the labeling operation, and is particularly suitable for the precise positioning requirements of fragile materials such as glass and ceramics. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is an overall structure diagram of the automatic labeling machine positioning mechanism.

[0021] Figure 2 It is an overall structure diagram of the back of the automatic labeling machine positioning mechanism.

[0022] Figure 3 It is overall structural diagram of the feeding positioning mechanism of the utility model;

[0023] Figure 4 It is overall structural diagram of the positioning assembly of the utility model;

[0024] Figure 5 It is overall structural diagram of the positioning buffer mechanism of the utility model.

[0025] In the figure, 1, labeling machine body;2, support base;3, conveying belt;4, feeding positioning mechanism;41, conveying belt;42, support frame;43, positioning rod;44, positioning assembly;44a, linkage frame;44b, linkage rod;44c, lifting plate;44d, hydraulic cylinder;5, positioning buffer mechanism;51, contact plate;52, guide slide rod;53, force block;54, connecting rod;55, first compression spring;56, telescopic support;57, second compression spring;6, elastic contact soft pad;7, sensor. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1-5 The utility model provides technical schemes:

[0028] An automatic labeling machine positioning mechanism, including labeling machine body 1, the outside of labeling machine body 1 is movably connected with support base 2, the bottom of the inside of support base 2 is movably connected with conveying belt 3, the inside of support base 2 is movably connected with feeding positioning mechanism 4, the inside of feeding positioning mechanism 4 is movably connected with positioning buffer mechanism 5;

[0029] Feeding positioning mechanism 4 includes conveying belt 41, support frame 42, positioning rod 43 and positioning assembly 44, conveying belt 41 is movably connected at the top of the inside of support base 2, support frame 42 is movably connected at the outside of support base 2, support frame 42 is arranged at the both sides of the top of conveying belt 41, positioning assembly 44 is movably connected at the top of support frame 42, positioning rod 43 is movably connected at the bottom of positioning assembly 44, and positioning rod 43 is arranged at the top of conveying belt 41.

[0030] In the embodiment, the wider conveying belt 41 is used to replace the traditional narrow conveying belt 41 to adapt to more shapes of materials, the support frame 42 is used to support the positioning assembly 44, the driving positioning rod 43 is used to position the materials conveyed in the conveying belt 41 to the center position of the conveying belt 41, thereby facilitating the subsequent automatic labeling operation, and the transmission flexibility is improved and the positioning precision is enhanced.

[0031] Specifically, as shown in Figure 1 、 Figure 2 、 Figure 5 , the positioning buffer mechanism 5 comprises a contact plate 51, a guide slide rod 52, a force block 53, a connecting rod 54, a first compression spring 55, an extension strut 56 and a second compression spring 57.

[0032] Specifically, as shown in Figure 1 、 Figure 2 、 Figure 5 , the left guide slide rod 52 is fixedly connected to the right side of the left positioning rod 43, the right guide slide rod 52 is fixedly connected to the left side of the right positioning rod 43, the force block 53 is slidably connected to the outer side of the guide slide rod 52, the left connecting rod 54 is rotatably connected to the right side of the left force block 53, the right connecting rod 54 is rotatably connected to the left side of the right force block 53, the left contact plate 51 is rotatably connected to the right side of the left connecting rod 54, and the right contact plate 51 is rotatably connected to the left side of the right connecting rod 54.

[0033] Specifically, as shown in Figure 1 、 Figure 2 、 Figure 5 , the front first compression spring 55 is fixedly connected to the front side of the front force block 53, the front first compression spring 55 is fixedly connected to the front side of the inner side of the guide slide rod 52, the rear first compression spring 55 is fixedly connected to the rear side of the rear force block 53, the rear first compression spring 55 is fixedly connected to the rear side of the inner side of the guide slide rod 52, the left extension strut 56 is fixedly connected to the right side of the left positioning rod 43, the left extension strut 56 is fixedly connected to the left side of the left contact plate 51, the right extension strut 56 is fixedly connected to the left side of the right positioning rod 43, the right extension strut 56 is fixedly connected to the left side of the right contact plate 51, and the second compression spring 57 is fixedly connected to the inner side of the extension strut 56.

[0034] In the embodiment: through positioning, the positioning rod 43 does not directly touch the material, the outer telescopic support 56 is connected with the contact plate 51 provided with the second compression spring 57, and the contact plate 51 first contacts the material, the two contact plates 51 push the material inward, the telescopic support 56 and the second compression spring 57 are retracted to store energy, the force block 53 on the outer guiding slide rod 52 of the positioning rod 43 is connected with the contact plate 51 through the connecting rod 54, when the distance between the positioning rod 43 and the contact plate 51 is shortened, the connecting rod 54 is pressed downward, the force block 53 is pushed to slide along the guiding slide rod 52 to the two sides, the first compression spring 55 is compressed, the positioning pushing force is converted into elastic potential energy and mechanical work, the material is buffered and positioned, damage to the fragile material is prevented, after multiple reciprocations, the material reaches the center of the conveying belt 41 when the labeling machine body 1, the material can be smoothly labeled, and then the material falls to the conveying belt 3 at the bottom of the conveying belt 41 to complete the transfer.

[0035] Specifically, as shown in Figure 3 、 Figure 4 , the positioning assembly 44 comprises a linkage frame 44a, a linkage rod 44b, a lifting plate 44c and a hydraulic cylinder 44d.

[0036] Specifically, as shown in Figure 3 、 Figure 4 , the linkage frame 44a is fixedly connected to the top of the positioning rod 43, the linkage frame 44a is slidingly connected to the top of the support frame 42, the linkage rod 44b is rotatably connected to the outer side of the linkage frame 44a, the linkage rod 44b is rotatably connected to the two sides of the lifting plate 44c, the hydraulic cylinder 44d is fixedly connected to the bottom of the lifting plate 44c, and the hydraulic cylinder 44d is fixedly connected to the top of the support frame 42.

[0037] In the embodiment: by starting the hydraulic cylinder 44d at the top of the support frame 42, the hydraulic cylinder 44d drives the lifting plate 44c to rise, when the lifting plate 44c rises, the four groups of linkage rods 44b on the outer side of the lifting plate 44c rotate downward, pull the linkage frame 44a at the other end, and move the two groups of linkage frames 44a inward at the same time, because the positioning rod 43 is fixed to the bottom of the linkage frame 44a and located above the conveying belt 41, when the linkage frame 44a moves, the positioning rod 43 simultaneously pushes the material inward on the surface of the conveying belt 41, positions the material in the center of the conveying belt 41, and reverses the action when the hydraulic cylinder 44d descends, drives the lifting plate 44c to reciprocate, and realizes the reciprocating pushing and positioning of the material by the positioning rod 43, so that the material is always positioned in the center of the conveying belt 41.

[0038] Specifically, as shown in Figure 1 , the outer side of the contact plate 51 movably connects the elastic contact soft pad 6.

[0039] Specifically, as shown in Figure 1 、 Figure 2 , the top of the positioning rod 43 movably connects the sensor 7.

[0040] In this embodiment: through the elastic contact soft pad 6 can adapt to different shapes of material, through the sensor 7 on the top of the positioning rod 43 can real-time adjust the lifting height of the hydraulic cylinder 44d, thereby adjusting the reciprocating positioning stroke distance, prevent the material from being damaged, so that the device can transport and label more kinds of materials.

[0041] Working principle: when carrying out the plane material labeling work, the material is placed on the wider conveying belt 41 to complete the feeding, in the transport stage before the material reaches the labeling point, start the hydraulic cylinder 44d on the top of the support frame 42, the hydraulic cylinder 44d drives the lifting plate 44c to move upward, in the lifting plate 44c upward process, its four groups of rotating connecting linkage rods 44b on the outside turn downward, pull the other end of the rotating connecting linkage frame 44a, make two groups of linkage frames 44a move to the inside at the same time, because the positioning rod 43 is fixed at the bottom of the linkage frame 44a and located above the conveying belt 41, when the linkage frame 44a moves to the inside, the positioning rod 43 moves to the inside on the conveying belt 41 surface synchronously, push the material on the conveying belt 41 to the inside, make it position in the center position of the conveying belt 41, when the hydraulic cylinder 44d descends, the action is reversed, so, through the hydraulic cylinder 44d drives the lifting plate 44c reciprocating lifting, realize the reciprocating pushing and positioning of the material by the positioning rod 43, ensure that the material is in the center of the conveying belt 41, if the volume of the material is larger, exceeds the fixed stroke range of positioning, the sensor 7 on the top of the positioning rod 43 can real-time adjust the lifting height of the hydraulic cylinder 44d, thereby adjusting the reciprocating positioning stroke distance, prevent the material from being damaged, so that the device can transport and label more kinds of materials, without the help of the narrow transmission belt 3 to carry out the initial positioning labeling, ensure the stability of the whole transmission process, improve the continuity of the labeling work, in the positioning process, the positioning rod 43 does not directly contact the material, but the contact plate 51 connected by the telescopic support 56 and the second compression spring 57 on the outside first contacts the material, when the two sides of the contact plate 51 push the material to the inside at the same time, the telescopic support 56 and the second compression spring 57 shrink to the inside and store the elastic potential energy; at the same time, the force block 53 on the guide slide rod 52 outside the positioning rod 43, because it is rotatingly connected with the contact plate 51 through the connecting rod 54, as the distance between the positioning rod 43 and the contact plate 51 is reduced, the connecting rod 54 is pressed to rotate, push the force block 53 to slide to the both sides, compress the first compression spring 55 between the force block 53 and the guide slide rod 52, so, the positioning thrust is converted into elastic potential energy and mechanical work, avoid the damage to the fragile material caused by the excessive positioning thrust, after the buffering type reciprocating positioning, when the material reaches the labeling machine body 1, it is just in the center position of the conveying belt 41, can be labeled smoothly, then fall into the conveying belt 3 at the bottom of the conveying belt 41, complete the subsequent transport.

[0042] The above is only the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A positioning mechanism for an automatic labelling machine, comprising a labelling machine body (1), characterised in that: The outer side of the labeling machine body (1) is movably connected with a support base (2), the bottom of the inner side of the support base (2) is movably connected with a conveying belt (3), the inner side of the support base (2) is movably connected with a feeding positioning mechanism (4), and the inner side of the feeding positioning mechanism (4) is movably connected with a positioning buffer mechanism (5). The feeding positioning mechanism (4) comprises a conveying belt (41), a support frame (42), a positioning rod (43) and a positioning assembly (44), the conveying belt (41) is movably connected to the top of the inner side of the support base (2), the support frame (42) is movably connected to the outer side of the support base (2), the support frame (42) is arranged on both sides of the top of the conveying belt (41), the positioning assembly (44) is movably connected to the top of the support frame (42), and the positioning rod (43) is movably connected to the bottom of the positioning assembly (44).

2. An automatic labelling machine positioning mechanism according to claim 1, characterised in that: The positioning buffer mechanism (5) comprises a contact plate (51), a guide slide rod (52), a force block (53), a connecting rod (54), a first compression spring (55), a telescopic support (56) and a second compression spring (57).

3. An automatic labelling machine positioning mechanism according to claim 2, characterised in that: The left guide slide rod (52) is fixedly connected to the right side of the left positioning rod (43), the right guide slide rod (52) is fixedly connected to the left side of the right positioning rod (43), the force block (53) is slidably connected to the outer side of the guide slide rod (52), the left connecting rod (54) is rotatably connected to the right side of the left force block (53), the right connecting rod (54) is rotatably connected to the left side of the right force block (53), the left contact plate (51) is rotatably connected to the right side of the left connecting rod (54), and the right contact plate (51) is rotatably connected to the left side of the right connecting rod (54).

4. An automatic labelling machine positioning mechanism according to claim 2, characterised in that: The front first compression spring (55) is fixedly connected to the front side of the front force block (53), the front first compression spring (55) is fixedly connected to the front side of the inner side of the guide slide rod (52), the rear first compression spring (55) is fixedly connected to the rear side of the rear force block (53), the rear first compression spring (55) is fixedly connected to the rear side of the inner side of the guide slide rod (52), the left telescopic support (56) is fixedly connected to the right side of the left positioning rod (43), the left telescopic support (56) is fixedly connected to the left side of the left contact plate (51), the right telescopic support (56) is fixedly connected to the left side of the right positioning rod (43), the right telescopic support (56) is fixedly connected to the left side of the right contact plate (51), and the second compression spring (57) is fixedly connected to the inner side of the telescopic support (56).

5. A positioning mechanism for an automatic labeling machine according to claim 1, characterized in that: The positioning assembly (44) comprises a linkage frame (44a), a linkage rod (44b), a lifting plate (44c) and a hydraulic cylinder (44d).

6. An automatic labelling machine positioning mechanism according to claim 5, characterised in that: The linkage frame (44a) is fixedly connected at the top of the positioning rod (43), the linkage frame (44a) is slidingly connected at the top of the support frame (42), the linkage rod (44b) is rotatably connected at the outer side of the linkage frame (44a), the linkage rod (44b) is rotatably connected at the two sides of the lifting plate (44c), the hydraulic cylinder (44d) is fixedly connected at the bottom of the lifting plate (44c), and the hydraulic cylinder (44d) is fixedly connected at the top of the support frame (42).

7. An automatic labelling machine positioning mechanism according to claim 2, characterised in that: The outer side of the contact plate (51) is movably connected with the elastic contact soft pad (6).

8. A positioning mechanism for an automatic labeling machine according to claim 1, characterized in that: The top of the positioning rod (43) is movably connected with the sensor (7).

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