Bidirectional labeling machine

Abstract

The utility model belongs to the technical field of packaging, and discloses a bidirectional labeling machine which comprises a conveying belt, a labeling machine body and a rolling assembly, the two sides of the top of the conveying belt extend towards the inner side of the conveying belt to be provided with limiting guide grooves, a labeling head of the labeling machine body corresponds to one side edge of each limiting guide groove, and the rolling assembly comprises a horizontal rolling unit, a vertical rolling unit and a portal frame. Vertical rods on the two sides of the portal frame are fixedly connected with the two side edges of the conveying belt, a notch is formed in the position, below the vertical rolling unit, of the limiting guide groove, a photoelectric sensor is horizontally installed at the position, corresponding to the notch, of the conveying belt, and the photoelectric sensor is electrically connected with the labeling machine and the rolling assembly. Through the arrangement of the horizontal rolling unit and the vertical rolling unit, the horizontal rolling unit can press the pasted label along the horizontal plane, the vertical rolling unit can vertically bend and press the label along the box edge, bidirectional pasting of the label on the sealing edge of the box cover can be achieved, and the production quality and efficiency are further improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the packaging technical field, more particularly, to a bidirectional labeling machine. BACKGROUND

[0002] Labeling on the material has become an indispensable step in most material processing at present, such as the product body or packaging box of mobile phone, memory card, hard disk and the like needs to paste the label recording product serial number, production date and the like thereon, so as to facilitate the production party to manage the products out of the factory or facilitate the user to judge the product authenticity according to the label.

[0003] There are two labeling methods at present, the first one is manually pasted, the manual method has the defects of low efficiency and unstable pasting quality, which affects the production efficiency of the whole assembly line, and the second one uses online labeling equipment to realize automatic labeling, the online labeling equipment usually comprises a conveying belt and a small labeling machine, the labeling machine is arranged above the conveying belt, and the material is automatically pasted with the label under the small labeling machine in the conveying process, and the online labeling is completed after being pressed and adhered.

[0004] However, most of the existing online labeling equipment can only label on the single surface of the material, and for some packaging boxes, the labels need to be pasted on the edges of the box cover for sealing in a bidirectional and vertical manner, and such online labeling machine is difficult to meet the automatic production demand. CONTENT OF THE INVENTION

[0005] In order to solve the above problems, the present application provides a bidirectional labeling machine.

[0006] The bidirectional labeling machine provided by the present application adopts the following technical scheme:

[0007] The bidirectional labeling machine comprises a conveying belt, a labeling machine and a pressing assembly, the top of the conveying belt extends to the inner side of the conveying belt on both sides to form a limiting guide groove, the labeling head of the labeling machine corresponds to one side of the limiting guide groove, the pressing assembly comprises a horizontal pressing unit, a vertical pressing unit and a gantry, the vertical rods on both sides of the gantry are fixedly connected with the two side edges of the conveying belt, the horizontal pressing unit and the vertical pressing unit are fixedly installed on the cross beam of the gantry, the horizontal pressing unit corresponds to the labeling head of the labeling machine and is used for pressing the pasted label along the horizontal plane, the vertical pressing unit is located directly above one side of the limiting guide groove and is used for vertically bending and pressing the label along the edge of the box, a notch is formed in the limiting guide groove below the vertical pressing unit, a photoelectric sensor is horizontally installed on the conveying belt at the position corresponding to the notch, and the photoelectric sensor is electrically connected with the labeling machine and the pressing assembly.

[0008] Further, the side edge of the conveying belt is provided with an adjusting support table, and the labeling machine is adjustably fixedly installed on the adjusting support table.

[0009] Through the technical scheme, the labeling machine can be adjusted to adapt to different labels and packages, and the later maintenance is facilitated.

[0010] Further, the roller pressing assembly further comprises a limiting pressing roller, a top end of the limiting pressing roller being fixedly connected to the cross beam of the gantry, and a vertical projection of the limiting pressing roller being located in the limiting guide groove.

[0011] Through the technical scheme, the packaging box can be pressed and held, and the stability during label pasting and roller pressing is improved.

[0012] Further, the horizontal roller pressing unit comprises a first air cylinder and a first roller, the first air cylinder being vertically downwardly installed on the gantry, and a rotation axis direction of the first roller being perpendicular to a conveying direction of the conveying belt.

[0013] The vertical roller pressing unit comprises a second air cylinder and a second roller, the first air cylinder being vertically downwardly installed on the gantry, and a rotation axis direction of the second roller being parallel to the conveying direction of the conveying belt, and a wheel surface of the second roller being located on a same vertical plane as an inner side surface of the limiting guide groove.

[0014] Through the technical scheme, when the packaging box is conveyed to below the horizontal roller pressing unit, the first air cylinder is elongated to drive the first roller to descend and contact the packaging box, the just pasted label is pressed by the roller to be more firmly pasted; when the label part moves to below the vertical roller pressing unit, the second air cylinder is elongated to drive the second roller to descend, the wheel surface of the second roller is located on the same vertical plane as the inner side surface of the limiting guide groove, i.e. the side edge of the packaging box, and in the process of downward movement, the label can be vertically bent along the side edge of the box and pressed.

[0015] Further, the labeling machine, the roller pressing assembly and the photoelectric sensor are respectively provided with two groups along the conveying direction of the conveying belt, and the two groups of roller pressing assemblies are mutually symmetrical along the central axis of the limiting guide groove.

[0016] Through the technical scheme, the label pasting on the two side edges of the packaging box can be realized.

[0017] In summary, the present application has at least one of the following beneficial technical effects:

[0018] Through the arrangement of the horizontal roller pressing unit and the vertical roller pressing unit, the label pasted by the horizontal roller pressing unit can be pressed along the horizontal plane, the label pasted by the vertical roller pressing unit can be vertically bent along the side edge of the box and pressed, the bidirectional pasting of the label on the edge of the box cover can be realized, and the production quality and efficiency are further improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic view of the present application;

[0020] Figure 2 is a top view of the present application;

[0021] Figure 3 is a first action schematic diagram of the present application in a running state;

[0022] Figure 4 is a second action schematic diagram of the present application in a running state; Figure 3 is an enlarged view of A in the middle;

[0023] Figure 5 is a second action schematic diagram of the present application in a running state;

[0024] Figure 6 is a second action schematic diagram of the present application in a running state; Figure 5 is an enlarged view of B in the middle.

[0025] Explanation of reference numerals in the drawings:

[0026] 1, conveying belt; 2, labeling machine; 3, roller pressing assembly; 31, horizontal roller pressing unit; 311, first air cylinder; 312, first roller; 32, vertical roller pressing unit; 321, second air cylinder; 322, second roller; 33, gantry; 34, limiting pressing roller; 4, limiting guide groove; 5, photoelectric sensor; 6, adjusting support table; 7, packaging box; 8, label. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application, and all other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor fall within the scope of protection of the present application.

[0028] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, or detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or can be the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0030] Embodiment 1:

[0031] The present application will be further described in detail below with reference to the accompanying drawings.

[0032] The embodiment of the present application discloses a bidirectional labeling machine, which comprises a conveying belt 1, a labeling machine 2 and a roller pressing assembly 3. The top of the conveying belt 1 extends to the inner side of the conveying belt 1 on both sides and is provided with a limiting guide groove 4. The labeling head of the labeling machine 2 corresponds to one side edge of the limiting guide groove 4. The roller pressing assembly 3 comprises a horizontal roller pressing unit 31, a vertical roller pressing unit 32 and a gantry 33. The two side vertical rods of the gantry 33 are fixedly connected to the two side edges of the conveying belt 1. The horizontal roller pressing unit 31 and the vertical roller pressing unit 32 are fixedly installed on the cross beam of the gantry 33. The horizontal roller pressing unit 31 corresponds to the labeling head of the labeling machine 2 and is used for pressing the pasted label 8 along the horizontal plane. The vertical roller pressing unit 32 is located directly above one side of the limiting guide groove 4 and is used for vertically bending and pressing the label 8 along the box edge. The limiting guide groove 4 is provided with a notch below the vertical roller pressing unit 32. The conveying belt 1 is horizontally provided with a photoelectric sensor 5 at the position corresponding to the notch. The photoelectric sensor 5 is electrically connected to the labeling machine 2 and the roller pressing assembly 3.

[0033] Please refer to Figure 1 The side edge of the conveying belt 1 is provided with an adjusting support table 6. The labeling machine 2 is adjustably fixedly installed on the adjusting support table 6, which is convenient for the adjustment of the labeling machine 2 to adapt to different labels 8 and packaging and is also convenient for the later maintenance.

[0034] Please refer to Figures 1-6 The roller pressing assembly 3 further comprises a limiting pressure roller 34. The top end of the limiting pressure roller 34 is fixedly connected to the cross beam of the gantry 33. The vertical projection of the limiting pressure roller 34 is located in the limiting guide groove 4 and can hold the packaging box 7, thereby improving the stability during the pasting and roller pressing of the label 8.

[0035] Please refer to Figures 1-6The horizontal roller pressing unit 31 comprises a first cylinder 311 and a first roller 312, the first cylinder 311 is vertically downwardly installed on the portal frame 33, and the rotation axis direction of the first roller 312 is perpendicular to the conveying direction of the conveying belt 1. The vertical roller pressing unit 32 comprises a second cylinder 321 and a second roller 322, the first cylinder 311 is vertically downwardly installed on the portal frame 33, and the rotation axis direction of the second roller 322 is parallel to the conveying direction of the conveying belt 1, and the wheel surface of the second roller 322 is in the same vertical plane with the inner side of the limiting guide groove 4. When the packaging box 7 is conveyed to the lower side of the horizontal roller pressing unit 31 by the conveying belt 1, the first cylinder 311 is elongated, the first roller 312 is lowered and contacted with the packaging box 7, and the just pasted label 8 is pressed to make the label 8 more firmly pasted. When the label 8 is moved to the lower side of the vertical roller pressing unit 32, the second cylinder 321 is elongated, the second roller 322 is lowered, the wheel surface of the second roller 322 is in the same vertical plane with the inner side of the limiting guide groove 4, i.e. the side of the packaging box 7, and in the process of downward movement, the label 8 can be vertically bent along the side of the box and pressed.

[0036] Please refer to Figures 1-2 The labeling machine 2, the roller pressing assembly 3 and the photoelectric sensor 5 are respectively provided with two groups along the conveying direction of the conveying belt 1, the two groups of roller pressing assemblies 3 are mutually symmetrical along the central axis of the limiting guide groove 4, and the labels 8 on the two side edges of the packaging box 7 can be pasted.

[0037] The implementation principle of the bidirectional labeling machine 2 in the embodiment of the application is as follows: as shown in Figures 4-6 The packaging box 7 is placed in the limiting guide groove 4, the width of the limiting guide groove 4 is adjusted to be the same as the width of the packaging box 7, the packaging box 7 is conveyed to pass through the labeling machine 2 under the driving of the conveying belt 1, the labeling head of the labeling machine 2 pastes the label 8 to the edge of the box body, at this time, half of the label 8 is pasted on the box body, and the other half is in a suspended state. When the packaging box 7 is conveyed to the lower side of the horizontal roller pressing unit 31 by the conveying belt 1, the photoelectric sensor 5 senses the packaging box 7, sends an electric signal to the horizontal roller pressing unit 31, the first cylinder 311 is elongated, the first roller 312 is lowered and contacted with the packaging box 7, and the just pasted label 8 is pressed to make the label 8 more firmly pasted. The interval of the time relay can be set, when the label 8 is moved to the lower side of the vertical roller pressing unit 32, the second cylinder 321 is elongated, the second roller 322 is lowered, the wheel surface of the second roller 322 is in the same vertical plane with the inner side of the limiting guide groove 4, i.e. the side of the packaging box 7, and in the process of downward movement, the label 8 can be vertically bent along the side of the box and pressed. The bidirectional pasting of the label 8 on the edge of the box cover is realized. As a preferred embodiment, the labeling machine 2, the roller pressing assembly 3 and the photoelectric sensor 5 are respectively provided with two groups along the conveying direction of the conveying belt 1, the two groups of roller pressing assemblies 3 are mutually symmetrical along the central axis of the limiting guide groove 4, and the labels 8 on the two side edges of the packaging box 7 can be pasted, and the production efficiency is further improved.

[0038] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A bidirectional labelling machine comprising a conveyor belt (1), a labelling machine (2) and a roller assembly (3), characterized in that, The top two sides of the conveying belt (1) extend to the inside of the conveying belt (1) and are provided with limiting guide grooves (4), the labeling head of the labeling machine (2) corresponds to one side of the limiting guide groove (4), the roller pressing assembly (3) comprises a horizontal roller pressing unit (31), a vertical roller pressing unit (32) and a gantry (33), the two side vertical rods of the gantry (33) are fixedly connected with the two side edges of the conveying belt (1), the horizontal roller pressing unit (31) and the vertical roller pressing unit (32) are fixedly installed on the cross beam of the gantry (33), the horizontal roller pressing unit (31) corresponds to the labeling head of the labeling machine (2) and is used for pressing the labels along the horizontal plane, the vertical roller pressing unit (32) is located directly above one side of the limiting guide groove (4) and is used for vertically bending and pressing the labels along the box edge, the limiting guide groove (4) is provided with a notch below the vertical roller pressing unit (32), the conveying belt (1) is horizontally provided with a photoelectric sensor (5) at the position corresponding to the notch, and the photoelectric sensor (5) is electrically connected with the labeling machine (2) and the roller pressing assembly (3).

2. A bi-directional labelling machine according to claim 1, characterised in that: The side edge of the conveying belt (1) is provided with an adjusting support table (6), and the labeling machine (2) is adjustably fixedly installed on the adjusting support table (6).

3. A bi-directional labelling machine according to claim 1, characterised in that: The roller pressing assembly (3) further comprises a limiting pressure roller (34), the top end of the limiting pressure roller (34) is fixedly connected to the cross beam of the gantry (33), and the vertical projection of the limiting pressure roller (34) is located in the limiting guide groove (4).

4. A bi-directional labelling machine according to claim 1, characterised in that: The horizontal roller pressing unit (31) comprises a first cylinder (311) and a first roller (312), the first cylinder (311) is vertically downwardly installed on the gantry (33), and the rotation axis direction of the first roller (312) is perpendicular to the conveying direction of the conveying belt (1).

5. A bi-directional labelling machine according to claim 4, characterised in that: The vertical roller pressing unit (32) comprises a second cylinder (321) and a second roller (322), the first cylinder (311) is vertically downwardly installed on the gantry (33), and the rotation axis direction of the second roller (322) is parallel to the conveying direction of the conveying belt (1), and the wheel surface of the second roller (322) is located on the same vertical plane as the inner side surface of the limiting guide groove (4).

6. The bi-directional labelling machine of any one of claims 1 to 5, wherein: The labeling machine (2), the roller pressing assembly (3) and the photoelectric sensor (5) are respectively provided with two groups along the conveying direction of the conveying belt (1), and the two groups of roller pressing assemblies (3) are mutually symmetrical along the central axis of the limiting guide groove (4).

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