Labeling device

Abstract

The invention discloses a labeling device which comprises a bearing mechanism, a first folding mechanism and a second folding mechanism, and the first folding mechanism is movably connected with the bearing mechanism. The first folding mechanism comprises a first folding plate, a first driving assembly connected with the first folding plate, a second folding plate, a second driving assembly connected with the second folding plate and a first suction plate arranged between the first folding plate and the second folding plate. The second folding mechanism comprises a third folding plate, a third driving assembly connected with the third folding plate and a second suction plate. According to the labeling device provided by the invention, the label is turned over twice through the first turning-over mechanism, and the label is turned over for the third time through the second turning-over mechanism, so that the label is automatically pasted on the workpiece.

Description

Technical Field

[0001] The invention relates to a labeling device, belonging to the technical field of labeling equipment. Background Art

[0002] Ring labels need to be manually affixed to cylindrical workpieces such as cables and air pipes. The label is wrapped around the workpiece by folding it around the workpiece multiple times. This is a manual operation with low work efficiency, large errors and low yield rate.

[0003] In the related art, the labeling mechanism includes a suction cup, a support plate and a cylinder. The suction cup is used to adsorb the label, and the support plate is used to support the workpiece. When the suction cup moves to the bottom of the support plate, the cylinder works to lift and clamp the suction cup to automatically attach the label to the workpiece. That is, the labeling mechanism can fold the label once, but cannot realize the attachment method of folding the label multiple times. Summary of the invention

[0004] The object of the present invention is to provide a labeling device capable of folding a label multiple times.

[0005] To achieve the above object, the present invention adopts the following technical solution:

[0006] A labeling device, comprising:

[0007] A carrying mechanism for placing a workpiece;

[0008] a first folding mechanism, wherein the first folding mechanism is movably connected to the carrying mechanism, the first folding mechanism comprises a first folding plate, a first driving assembly connected to the first folding plate, a second folding plate, a second driving assembly connected to the second folding plate, and a first suction plate arranged between the first folding plate and the second folding plate, wherein the first suction plate, the first folding plate and the second folding plate are all capable of absorbing labels, the first driving assembly can drive the first folding plate to rotate relative to one side of the first suction plate, and the second driving assembly can drive the second folding plate to rotate relative to the other side of the first suction plate; and

[0009] A second folding mechanism, the second folding mechanism is arranged opposite to the first folding mechanism, when the second folding mechanism cooperates with the workpiece, the first folding mechanism is in a state of being separated from the workpiece, the second folding mechanism includes a third folding plate, a third driving assembly connected to the third folding plate and a second suction plate, the second suction plate is used to absorb the folding area of ​​the label, the third folding plate is used to absorb the part of the label extending out of the folding area, and the third driving assembly can drive the third flip plate to rotate relative to one side of the second suction plate.

[0010] As a further improved technical solution of the present invention, the workpiece is arranged on one side of the first suction plate, the first driving assembly can drive the first folding plate to rotate around the workpiece in a first rotation direction, and the second driving assembly can drive the second folding plate to rotate around a side of the first suction plate away from the workpiece in a second rotation direction opposite to the first rotation direction;

[0011] The third driving assembly can drive the third folding plate to rotate around one side of the second suction plate (43) along the second rotation direction.

[0012] As a further improved technical solution of the present invention, the first driving assembly includes a first driving member and a first transmission assembly connected to the first driving member, and the first folding plate is connected to a first rotating body in the first transmission assembly;

[0013] The second driving assembly includes a second driving member and a second transmission assembly connected to the second driving member, and the second folding plate is connected to a second rotating body in the second transmission assembly;

[0014] The third driving assembly includes a third driving member and a third transmission assembly connected to the third driving member, and the third folding plate is connected to a third rotating body in the third transmission assembly.

[0015] As a further improved technical solution of the present invention, the first folding plate includes a first plate body and a first connecting portion connected to both ends of the first plate body, the first connecting portion at one end of the first folding plate is connected to the first rotating body, the first rotating body is provided with a first groove for receiving the workpiece, and the first connecting portion is provided with a second groove for receiving the workpiece;

[0016] The third folding plate includes a third plate body and a third connecting portion connected to both ends of the third plate body. The third connecting portion at one end of the third folding plate is connected to the third rotating body. The third rotating body is provided with a third groove for accommodating the workpiece, and the third connecting portion is provided with a fourth groove for accommodating the workpiece.

[0017] As a further improved technical solution of the present invention, the first rotating member is specifically a first gear, and the second rotating member is specifically a second gear.

[0018] The first transmission assembly includes a first rack and a third gear driven to rotate by the first rack, the third gear is meshed with the first gear, and the second transmission assembly includes a second rack for driving the second gear to rotate.

[0019] As a further improved technical solution of the present invention, the first folding mechanism includes a limit member, the limit member is provided with a limit portion, the limit member controls the movement of the limit portion and limits the stroke of the second driving assembly, thereby controlling the folding angle of the second folding plate, so that the second folding plate performs pre-folding and main folding, and when the second folding plate performs pre-folding, the first folding plate is in a folding state.

[0020] As a further improved technical solution of the present invention, the carrying mechanism includes a carrying plate and a clamping assembly installed on the carrying plate, and the carrying plate is provided with a first positioning groove for receiving the workpiece and a through opening for accommodating the first folding mechanism.

[0021] The clamping assembly includes a pressing piece, a connecting rod, a support and a driving component. The first connection of the pressing piece is rotatably connected to the support, the second connection of the pressing piece is rotatably connected to the connecting rod, the connecting rod is connected to the driving component, and the driving component controls the pressing piece to rotate around the support through the connecting rod to press the workpiece in the first positioning groove.

[0022] As a further improved technical solution of the present invention, the labeling device includes a first lifting mechanism and a second lifting mechanism, the first lifting mechanism is connected to the first folding mechanism and can drive the first folding mechanism close to or away from the workpiece, and the second lifting mechanism is connected to the second folding mechanism and can drive the second folding mechanism close to or away from the workpiece.

[0023] As a further improved technical solution of the present invention, the first folding mechanism includes a pallet, the pallet is positioned and connected to the carrying mechanism, the first driving assembly and the second driving assembly are both connected to the pallet, and the driving end of the first lifting mechanism is connected to the pallet.

[0024] As a further improved technical solution of the present invention, the second folding mechanism includes a first support frame, the third folding plate is rotatably connected to the first support frame, the second lifting mechanism includes a first lifting drive member, a second lifting drive member and a second support frame, the first lifting drive member is connected to the second support frame, the first support frame is connected to the driving side of the first lifting drive member, the labeling device includes a frame, the second lifting drive member is connected to the frame, and the second support frame is connected to the driving side of the second lifting drive member.

[0025] Compared with the prior art, the beneficial effects of the present invention are: the labeling device provided by the present invention includes a first folding mechanism and a second folding mechanism, the first driving component of the first folding mechanism can control the first folding plate to rotate around the workpiece along the first rotation direction, so as to fold the part adsorbed by the first folding plate toward the first suction plate, so as to realize the first folding of the label, the second driving component of the first folding mechanism can control the second folding plate to rotate along the second rotation direction opposite to the first rotation direction, so as to fold the part adsorbed by the second folding plate toward the first suction plate, so as to realize the second folding of the label; when the second folding mechanism folds, the first folding mechanism can be separated from the workpiece, and the third driving component of the second folding mechanism controls the third folding plate to rotate around the workpiece along the second rotation direction, so as to fold the part adsorbed by the third folding plate toward the second suction plate, so as to realize the third folding of the label, and finally the label is attached to the workpiece through three foldings. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a three-dimensional schematic diagram of the labeling device of the present invention;

[0027] Figure 2 yes Figure 1 A magnified schematic diagram of the middle A area;

[0028] Figure 3 yes Figure 1 A three-dimensional schematic diagram of the middle carrying mechanism, the first folding mechanism and the second folding mechanism;

[0029] Figure 4 yes Figure 3 A three-dimensional schematic diagram of the middle carrying mechanism and the first turning mechanism;

[0030] Figure 5 yes Figure 4 Exploded schematic diagram of the middle bearing mechanism;

[0031] Figure 6 yes Figure 5 A three-dimensional schematic diagram of the middle clamping assembly;

[0032] Figure 7 yes Figure 6 An exploded schematic diagram of the clamping assembly shown;

[0033] Figure 8 yes Figure 6 An exploded schematic diagram of the clamping assembly shown at another angle;

[0034] Fig. 9 yes Figure 4 A three-dimensional schematic diagram of the first folding mechanism;

[0035] Fig.10 yes Fig. 9 An exploded schematic diagram of the first folding mechanism shown;

[0036] Fig.11 yes Fig.10 A detailed exploded schematic diagram of the first folding mechanism is shown;

[0037] Fig.12 yes Figure 4 A three-dimensional schematic diagram of the first folding mechanism from another angle;

[0038] Fig.13 yes Fig.12 An exploded schematic diagram of the first folding mechanism shown;

[0039] Fig.14 yes Fig.12 A three-dimensional schematic diagram of the structure of the middle part;

[0040] Fig.15 yes Fig.14 An exploded schematic diagram of the structure shown;

[0041] Fig.16 yes Fig.15 A three-dimensional schematic diagram of the first folding plate;

[0042] Fig.17 yes Fig.14 A three-dimensional schematic diagram of the structure shown in another angle;

[0043] Fig.18 yes Figure 3 A three-dimensional schematic diagram of the second folding mechanism;

[0044] Fig.19 yes Fig.18 An exploded schematic diagram of the second folding mechanism shown;

[0045] Fig. 20 yes Fig.18 A three-dimensional schematic diagram of the second folding mechanism from another angle;

[0046] Fig.21 yes Fig.19 An exploded schematic diagram of the third folding plate and the fourth gear;

[0047] Fig. 22 This is a diagram of the changing state of the label after being folded three times. DETAILED DESCRIPTION

[0048] The exemplary embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. If there are several embodiments, the features of these embodiments can be combined with each other without conflict. When the description refers to the drawings, unless otherwise specified, the same numbers in different drawings represent the same or similar elements. The contents described in the following exemplary embodiments do not represent all embodiments consistent with the present invention; on the contrary, they are only examples of devices, products and / or methods consistent with some aspects of the present invention as recorded in the claims of the present invention.

[0049] The terms used in the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the scope of protection of the present invention. The singular forms "a", "said" or "the" used in the specification and claims of the present invention are also intended to include plural forms, unless the context clearly indicates other meanings.

[0050] It should be understood that the words used in the specification and claims of the present invention, such as "first", "second" and similar words, do not indicate any order, quantity or importance, but are only used to distinguish the names of features. Similarly, words such as "one" or "an" do not indicate a quantitative limitation, but indicate the existence of at least one. Unless otherwise specified, words such as "front", "rear", "upper", "lower" and similar words appearing in the present invention are only for the convenience of explanation and are not limited to a specific position or a spatial orientation. Words such as "include" or "comprise" are an open-ended expression, meaning that the elements appearing before "include" or "comprise" include the elements appearing after "include" or "comprise" and their equivalents, which does not exclude that the elements appearing before "include" or "comprise" may also include other elements. If "several" appears in the present invention, it means two or more.

[0051] Please refer to Figures 1 to 22 As shown, the present invention discloses a labeling device, which is used to fold a label around a workpiece three times to attach the label to the workpiece, and the label includes a product identification area and a transparent area, and the product identification area is printed with producer information, product specifications, etc. In this embodiment, the workpiece includes a cable, and the label is attached to the cable; in other possible embodiments, the workpiece may also be a cylindrical product such as a trachea. That is, the labeling device provided by the present invention is not only suitable for attaching labels to cables, but also can be attached to other cylindrical products.

[0052] See also Figures 1 to 3The labeling device includes a carrying mechanism 1, a first folding mechanism 2, a first lifting mechanism 3, a second folding mechanism 4 and a second lifting mechanism 5. The carrying mechanism 1 is used to place the workpiece; the first folding mechanism 2 is used to fold the label twice, the first lifting mechanism 3 is connected to the first folding mechanism 2, and controls the first folding mechanism 2 to approach or move away from the workpiece; the second folding mechanism 4 is used to fold the label for the third time, the second folding mechanism 4 is arranged opposite to the first folding mechanism 2, when the second folding mechanism 4 cooperates with the workpiece, the first lifting mechanism 3 controls the first folding mechanism 2 to move away from the workpiece, so that the first folding mechanism 2 is in a state of being separated from the workpiece, so as to avoid the second folding mechanism 4; the second lifting mechanism 5 is connected to the second folding mechanism 4, and controls the second folding mechanism 4 to approach or move away from the workpiece.

[0053] See also Figure 4 The carrying mechanism 1 includes a carrier plate 11, a clamping assembly 12 mounted on the carrier plate 11, and an auxiliary plate 17. The carrier plate 11 is provided with a first positioning groove 111 for receiving a workpiece and a through opening 112 for accommodating the first folding mechanism 2. The auxiliary plate 17 is connected to the carrier plate 11, and the auxiliary plate 17 is provided with a second positioning groove 171 for receiving a workpiece. Specifically, the first positioning groove 111 is used to receive the cable of the workpiece, and the second positioning groove 171 is used to receive components disposed outside the cable, so that positioning of different positions of the workpiece is achieved.

[0054] See also Figure 5 The carrier plate 11 is provided with a first mounting groove 113, in which a second magnetic member 18 is installed. The second magnetic member 18 is used to absorb the second folding mechanism 4 so that the second folding mechanism 4 is stabilized on the carrier mechanism 1 to avoid deviation from the workpiece.

[0055] See also Figure 6 The clamping assembly 12 includes a pressing piece 121, a connecting rod 122, a support 123 and a driving component 124. The first connection of the pressing piece 121 is rotatably connected to the support 123 through a first shaft, the second connection of the pressing piece 121 is rotatably connected to the connecting rod 122 through a second shaft, and one end of the connecting rod 122 away from the pressing piece 121 is rotatably connected to the driving component 124 through a third shaft. The driving component 124 controls the pressing piece 121 to rotate around the support 123 through the connecting rod 122 to hold the workpiece in the first positioning groove 111. Optionally, the driving component 124 is a telescopic cylinder.

[0056] In this embodiment, the bearing mechanism 1 includes two groups of clamping components 12 arranged on both sides of the through opening 112, which are used to clamp the two ends of the workpiece to prevent the workpiece from deflecting and rotating.

[0057] The pressing piece 121 is a fan-shaped structure, the first connection of the pressing piece 121 is located at the center area of ​​the fan-shaped structure, the second connection of the pressing piece 121 is located at one side of the fan-shaped structure, and the pressing surface of the pressing piece 121 is located at the other side of the fan-shaped structure. Figure 7 The first connection of the pressing member 121 is provided with a first hole 1211, and the first shaft member is passed through the first hole 1211 and the hole of the support 123. The second connection of the pressing member 121 is provided with two plate parts, and the two plate parts are provided with a second hole 1212. One end of the connecting rod 122 is provided between the two plate parts, and the second shaft member is passed through the second hole 1212 and the hole of the connecting rod 122.

[0058] See also Figure 8 The support 123 is connected to the driving component 124. The end of the support 123 is provided with an axial hole 1231 for the output shaft of the driving component 124 to pass through. The axial hole 1231 plays a positioning role in the movement of the output shaft.

[0059] See also Figure 4 The carrying mechanism 1 further includes a connecting block 13, a bottom plate 14 and a support column 15. The connecting block 13 is arranged on the side of the carrier plate 11 away from the second folding mechanism 4. The support column 15 connects the carrier plate 11 and the bottom plate 14. The first folding mechanism 2 is movably connected to the connecting block 13 of the carrying mechanism 1, so that the first folding mechanism 2 can move relative to the connecting block 13. When the second folding mechanism 4 is working, the first folding mechanism 2 can be separated from the connecting block 13 and the workpiece. The first lifting mechanism 3 is fixed to the bottom plate 14. The driving end of the first lifting mechanism 3 is connected to the first folding mechanism 2, and drives the first folding mechanism 2 to approach or move away from the bottom plate 14.

[0060] See also Figure 4 , Fig. 9 and Fig.12The first folding mechanism 2 includes a first folding plate 21, a first driving assembly 22 connected to the first folding plate 21, a second folding plate 23, a second driving assembly 24 connected to the second folding plate 23, and a first suction plate 25 arranged between the first folding plate 21 and the second folding plate 23. The first suction plate 25, the first folding plate 21 and the second folding plate 23 can all absorb labels to prevent the labels from moving. The first driving assembly 22 can drive the first folding plate 21 to rotate relative to one side of the first suction plate 25, and the second driving assembly 24 can drive the second folding plate 23 to rotate relative to the other side of the first suction plate 25. The workpiece is arranged on one side of the first suction plate 25. When working, the first driving component 22 controls the first folding plate 21 to rotate around the workpiece along the first rotation direction, so as to fold the part adsorbed by the first folding plate 21 toward the first suction plate 25, thereby realizing the first folding of the label; the second driving component 24 controls the second folding plate 23 to rotate around the side of the first suction plate 25 away from the workpiece along the second rotation direction opposite to the first rotation direction, so as to fold the part adsorbed by the second folding plate 23 toward the first suction plate 25, thereby realizing the second folding of the label. Since the first folding plate 21 and the first suction plate 25 jointly adsorb the product identification area of ​​the label, the product identification area is folded in half through the first folding, and the first part of the transparent area is attached to the top surface of the folded product identification area through the second folding, and the transparent area is protected after being folded.

[0061] See also Figures 11 to 14 The first folding plate 21 includes a first plate body 211 and a first connecting portion 212 connected to both ends of the first plate body 211, and the first connecting portion 212 is connected to the first driving assembly 22. The second folding plate 23 includes a second plate body 231 and a second connecting portion 232 connected to both ends of the second plate body 231, and the second connecting portion 232 is connected to the second driving assembly 24. The first plate body 211 and the second plate body 231 are both provided with a plurality of suction holes 200, and the plurality of suction holes 200 are evenly distributed throughout the plate body, so that the plate body evenly absorbs the label to prevent the label from wrinkling.

[0062] For details, see Figures 14 to 16 The first connecting portion 212 is a disc structure, and the first connecting portion 212 is provided with a second groove 2120 for receiving the workpiece. Fig.16 The first connecting portion 212 is connected to the side of the first plate 211 close to the first suction plate 25. The side of the first plate 211 connected to the first connecting portion 212 is provided with a first concave surface 2111. The first suction plate 25 is provided with a second concave surface 251. The first concave surface 2111 and the second concave surface 251 are adapted to the outer circumference of the cable to position the cable. The second connecting portion 232 is connected to the side of the second plate 231 close to the first suction plate 25. The second connecting portion 232 is an annular sleeve. In this embodiment, both ends of the first suction plate 25 are also connected to the first support body 225 and the second support body 244.

[0063] See also Figures 9 to 11 The first driving assembly 22 includes a first driving member 221 and a first transmission assembly connected to the first driving member 221. The first folding plate 21 is connected to a first rotating body in the first transmission assembly. The first driving member 221 drives the first folding plate 21 to rotate through the first transmission assembly. Fig.13 The second driving assembly 24 includes a second driving member 241 and a second transmission assembly connected to the second driving member 241. The second folding plate 23 is connected to the second rotating body in the second transmission assembly. The second driving member 241 drives the second folding plate 23 to rotate through the second transmission assembly. Optionally, the first transmission assembly is a rack and pinion assembly or a gear assembly, and the second transmission assembly is a rack and pinion assembly or a gear assembly.

[0064] In this embodiment, the first transmission assembly is a gear rack combination, and the first driving member 221 is a telescopic cylinder. Figures 9 to 11 The first transmission assembly includes a first gear 222, a third gear 223, a first rack 224 and a first support 225. The first rack 224 is connected to the first driving member 221, the third gear 223 is meshed with the first rack 224, the first gear 222 is meshed with the third gear 223, and the first folding plate 21 is connected to the first gear 222. In order to improve the running stability of the gear rack, see Fig.11 The first support body 225 is provided with a first cavity 225a, a second cavity 225b and a third cavity 225c, the first rack 224 is provided in the first cavity 225a and can move in the first cavity 225a, the first gear 222 is rotatably provided in the second cavity 225b, and the third gear 223 is rotatably provided in the third cavity 225c. During operation, the first driving member 221 drives the first rack 224 to move in the first cavity 225a, and the first rack 224 drives the first gear 222 to rotate through the third gear 223, so as to realize the rotation of the first folding plate 21.

[0065] The second transmission assembly is a gear rack combination, and the second driving member 241 is a telescopic cylinder. Fig.13 The second transmission assembly includes a second gear 242, a second rack 243 and a second support 244. The second rack 243 is connected to the second driving member 241, the second gear 242 is meshed with the second rack 243, and the second folding plate 23 is connected to the second gear 242. In order to improve the running stability of the gear rack, see Fig.13The second support body 244 is provided with a fourth cavity 244a and a fifth cavity 244b, the second rack 243 is provided in the fourth cavity 244a and can move in the fourth cavity 244a, and the second gear 242 is rotatably provided in the fifth cavity 244b. During operation, the second driving member 241 drives the second rack 243 to move in the fourth cavity 244a, and the second rack 243 drives the second gear 242 to rotate, so as to realize the rotation of the second folding plate 23. Among them, the first rotating member is specifically the first gear 222, and the second rotating member is specifically the second gear 242.

[0066] In other possible embodiments, the first transmission assembly is a gear combination, and the first driving member 221 is a motor. The rotation of the motor drives the gear to rotate, and the gear drives the first folding plate 21 to rotate; the second transmission assembly is a gear combination, and the second driving member 241 is a motor. The rotation of the motor drives the gear to rotate, and the gear drives the second folding plate 23 to rotate.

[0067] The first driving member 221 is fixed to one side of the first supporting body 225, and the second driving member 241 is fixed to one side of the second supporting body 244. Fig.11 and Fig.13 The driving end of the first driving member 221 and the driving end of the second driving member 241 are both connected to the first connecting member 201, the first rack 224 is connected to one side of the first connecting member 201 of the first driving member 221, and the second rack 243 is connected to one side of the first connecting member 201 of the second driving member 241. Compared with the rack being connected to one end of the driving member, in this embodiment, the rack is connected to one side of the driving member, which reduces the occupied space and makes the overall structure more compact.

[0068] For details, see Fig.13 The first connecting portion 212 at one end of the first folding plate 21 is connected to the first gear 222, and the first connecting portion 212 and the first gear 222 are located together in the second cavity 225b, and the first connecting portion 212 at the other end of the first folding plate 21 is disposed in the sixth cavity 244c of the second support body 244. Fig.14 The first gear 222 is provided with a first groove 2220 for accommodating the workpiece, the first suction plate 25 is provided with a suction plate connecting portion 252, and the suction plate connecting portion 252 is also an annular sleeve. The gear shaft of the second gear 242 is rotatably connected with the second connecting portion 232 at one end of the second folding plate 23 and the suction plate connecting portion 252, and the second connecting portion 232 at the other end of the second folding plate 23 is rotatably connected with another suction plate connecting portion 252 through a fourth shaft.

[0069] See also Fig.15The first gear 222 is connected to the first connecting portion 212 via the first connecting shaft 206. Specifically, the first gear 222 is provided with a first connecting hole 2221, the first connecting hole 2221 is communicated with the first groove 2220, the first connecting portion 212 is provided with a second connecting hole 2121, the second connecting hole 2121 is communicated with the second groove 2120, and the first connecting shaft 206 is passed through the first connecting hole 2221 and the second connecting hole 2121.

[0070] See also Fig.11 The first support body 225 includes a first base 2251 and a first cover 2252 connected to the first base 2251. The first base 2251 is provided with a concave cavity. The first cover 2252 covers at least part of the concave cavity. The concave cavity and the first cover 2252 together form a first cavity 225a, a second cavity 225b and a third cavity 225c that are interconnected. Fig.13 The second support body 244 includes a second base 2441 and a second cover body 2442 connected to the second base 2441. The second base 2441 is provided with a concave cavity. The second cover body 2442 covers at least part of the concave cavity. The concave cavity and the second cover body 2442 together form a fourth cavity 244a and a fifth cavity 244b that are interconnected.

[0071] See also Fig.12 and Fig.13 The first folding mechanism 2 includes a limiter 26, which is disposed at the top of the second driving member 241. The limiter 26 is provided with a limiter 261, which controls the movement of the limiter 261 and limits the stroke of the second driving assembly 24, thereby controlling the folding angle of the second folding plate 23, so that the second folding plate 23 performs pre-folding and main folding. When the second folding plate 23 performs pre-folding, the first folding plate 21 is in a folding state, so that the label folding position is more accurate; when the second folding plate 23 performs main folding, the first folding plate 21 is reset. Specifically, the limiter 261 limits the stroke of the second driving member 241 by abutting against the first connecting member 201 connected to the second driving member 241. Optionally, the limiter 26 is a telescopic cylinder.

[0072] When the first folding mechanism 2 is working, the second driving assembly 24 first controls the second folding plate 23 to perform pre-folding. During the pre-folding process, the second folding plate 23 does not fold the label to the first suction plate 25, but folds the label first to form a crease, that is, the limiting member 26 controls the limiting portion 261 to extend outward to resist the first connecting member 201 to control the flipping angle of the second folding plate 23 to about 90°; when the second folding plate 23 performs the main folding, the first driving assembly 22 controls the first folding plate 21 to reset, the limiting member 26 controls the limiting portion 261 to retract, and the second driving assembly 24 controls the second folding plate 23 to rotate to the right position to achieve the second folding of the label. In this embodiment, the second driving assembly 24 controls the second folding plate 23 to achieve the second folding in two actions. The first action causes the second folding plate 23 to drive the label to fold about 90°, and the second action causes the second folding plate 23 to continue to fold 90° at the 90° position.

[0073] See also Fig.10 and Fig.12 The second folding plate 23 is connected to a cover plate 27 on one side away from the first suction plate 25. The cover plate 27 rotates synchronously with the second folding plate 23. The cover plate 27 carries the second part of the label transparent area. The part of the cover plate 27 carrying the label is folded by the second folding mechanism 4. The cover plate 27 can also absorb the label. The cover plate 27 cooperates with the second folding plate 23 to fold together, which facilitates the pressing of creases during the pre-folding process. For details, see Fig.15 Two cover plate connecting parts 271 are provided on one side of the cover plate 27, and the second folding plate 23 is at least partially located in the space between the two cover plate connecting parts 271 and is connected by a fifth shaft.

[0074] See also Fig.15 A third magnetic member 202 is provided below the cover plate 27, and the cover plate 27 is attracted by the third magnetic member 202, so that the cover plate 27 is in a stable state. Specifically, a support block 203 is connected to the side of the first suction plate 25 facing away from the label, and the support block 203 is provided with a second mounting groove 2031, and the third magnetic member 202 is arranged in the second mounting groove 2031.

[0075] See also Fig.17 The side of the cover plate 27 facing away from the label is connected with an elastic member 204 , the elastic member 204 is a tension spring, the other end of the elastic member 204 is connected to the first suction plate 25 , and the elastic member 204 is used to reset the second folding plate 23 and the cover plate 27 .

[0076] See also Figure 4The first folding mechanism 2 includes a support plate 28, and the first driving assembly 22 and the second driving assembly 24 are both connected to the support plate 28. Specifically, the first support body 225 and the second support body 244 are fixed to the support plate 28. The first lifting mechanism 3 is a telescopic cylinder. The driving end of the first lifting mechanism 3 is connected to the support plate 28. The support plate 28 is connected to the connecting block 13 of the bearing mechanism 1 through the first magnetic member 29. The support plate 28 is provided with a third mounting groove 282 for receiving the first magnetic member 29. In this way, the first folding mechanism 2 can be in a stable state, the folding effect is good, and the support plate 28 is also convenient to separate from the connecting block 13. The support plate 28 is connected to the bearing mechanism 1 in a positioning manner. Further, the connecting block 13 is connected with a positioning column 16, and the support plate 28 is provided with a through hole 281 for the positioning column 16 to penetrate. Through the cooperation between the support plate 28 and the positioning column 16, the movement of the support plate 28 is guided and positioned, so that the support plate 28 will not be offset.

[0077] See also Fig.18 and Fig. 9 The second folding mechanism 4 includes a third folding plate 41, a third driving assembly 42 connected to the third folding plate 41, and a second suction plate 43. The second suction plate 43 is used to absorb the folding area of ​​the label. The third folding plate 41 is used to absorb the part of the label extending out of the folding area. The third driving assembly 42 can drive the third flipping plate 41 to rotate relative to one side of the second suction plate 43. When working, the third driving assembly 42 controls the third folding plate 41 to rotate along the second rotation direction around one side of the second suction plate 43 to fold the part absorbed by the third folding plate 41 toward the second suction plate 43. Since the third folding plate 41 absorbs the second part of the transparent area, the second part of the transparent area is attached to the bottom surface of the folded product identification area through the third folding. Through the second folding and the third flipping, the transparent area protects both the top and bottom surfaces of the folded product identification area.

[0078] See also Fig.21 The third folding plate 41 includes a third plate body 411 and a third connecting portion 412 connected to both ends of the third plate body 411. The third connecting portion 412 is a disc structure, and the third connecting portion 412 is provided with a fourth groove 4120 for receiving the workpiece.

[0079] See also Fig.19 The third driving assembly 42 includes a third driving member 421 and a third transmission assembly connected to the third driving member 421, and the third folding plate 41 is connected to a third rotating body in the third transmission assembly. Optionally, the third transmission assembly is a rack and pinion assembly or a gear assembly.

[0080] In this embodiment, the third transmission assembly is a gear rack combination, and the third driving member 421 is a telescopic cylinder. Fig.19The third transmission assembly includes a fourth gear 422, a fifth gear 423, a sixth gear 424, a third rack 425 and a third support body 426. The fifth gear 423 is disposed on one side of the fourth gear 422 and meshes with the fourth gear 422. The sixth gear 424 is disposed on the other side of the fourth gear 422 and meshes with the fourth gear 422. The fifth gear 423 and the sixth gear 424 are both meshed with the third rack 425, and the third rack 425 is connected to the third driving member 421. In order to improve the running stability of the gear rack, the third support body 426 includes a seventh cavity 426a, an eighth cavity 426b, a ninth cavity 426c and a tenth cavity 426d. The third rack 425 is disposed in the seventh cavity 426a and can move in the seventh cavity 426a. The fourth gear 422 is rotatably disposed in the eighth cavity 426b. The fifth gear 423 is rotatably disposed in the ninth cavity 426c. The sixth gear 424 is rotatably disposed in the tenth cavity 426d. The third rotating body is specifically the fourth gear 422 .

[0081] Continue to see Fig.19 The third driving member 421 is fixed to one side of the third support body 426, the driving end of the third driving member 421 is connected to the second connecting member 205, and the third rack 425 is connected to one side of the second connecting member 205. Compared with the rack being connected to one end of the driving member, in this embodiment, the rack is connected to one side of the driving member, which reduces the occupied space and makes the overall structure more compact.

[0082] Specifically, the third connecting portion 412 at one end of the third folding plate 41 is connected to the fourth gear 422, and the third connecting portion 412 and the fourth gear 422 are located together in the eighth cavity 426b, see Fig.21 The fourth gear 422 is provided with a third groove 4220 for receiving the workpiece.

[0083] See also Fig.21 The fourth gear 422 is connected to the third connection part 412 via the second connection shaft 207. Specifically, the fourth gear 422 is provided with a third connection hole 4221, which is communicated with the third groove 4220, the third connection part 412 is provided with a fourth connection hole 4121, which is communicated with the fourth groove 4120, and the second connection shaft 207 is passed through the third connection hole 4221 and the fourth connection hole 4121.

[0084] See also Fig.19 The third support body 426 includes a third base 4261 and a third cover body 4262 connected to the third base 4261, the third base 4261 is provided with a concave cavity, the third cover body 4262 covers at least part of the concave cavity, and the concave cavity and the third cover body 4262 together form a seventh cavity 426a, an eighth cavity 426b, a ninth cavity 426c and a tenth cavity 426d that are interconnected.

[0085] See also Fig.18 The second folding mechanism 4 includes a first support frame 44, and the third folding plate 41 is rotatably connected to the first support frame 44. Figure 1 and Figure 2 The second lifting mechanism 5 includes a first lifting drive member 51, a second lifting drive member 52 and a second support frame 53. The first lifting drive member 51 is connected to the second support frame 53, and the first support frame 44 is connected to the driving side of the first lifting drive member 51. The first lifting drive member 51 drives the first support frame 44 and the third folding plate 41 to rise or fall.

[0086] See also Figure 1 and Figure 2 The labeling device includes a frame 6, which is fixed to a machine platform 7. A second lifting drive member 52 is connected to the frame 6. A second support frame 53 is connected to a driving side of the second lifting drive member 52. The second lifting drive member 52 drives the second support frame 53, the first lifting drive member 51, the third folding plate 41 and the second suction plate 43 to rise or fall together.

[0087] See also Fig.19 The first support frame 44 includes a first vertical plate 441, a horizontal plate 442 vertically connected to the first vertical plate 441, and a support plate 443 connected to one side of the first vertical plate 441 and one side of the horizontal plate 442. The first vertical plate 441 is connected to the driving side of the first lifting drive member 51. The third support body 426 is connected to the other side of the first vertical plate 441 and the other side of the horizontal plate 442, wherein the third connection portion 412 at the other end of the third folding plate 41 is rotatably disposed in the cavity of the support plate 443.

[0088] See also Fig.19 The second support frame 53 includes a magnetic plate 531 and a second vertical plate 532 vertically connected to the magnetic plate 531, the second vertical plate 532 is connected to the driving side of the second lifting drive member 52, the second suction plate 43 is connected to the magnetic plate 531, and the magnetic plate 531 is magnetically connected to the supporting mechanism 1, so that the second folding mechanism 4 is in a stable state, thereby improving the folding accuracy.

[0089] See also Fig. 20 The magnetic plate 531 includes an outer frame 5311 and an inner plate portion 5312 connected to the inner side of the outer frame 5311 . The outer frame 5311 is a U-shaped structure. The outer frame 5311 is used to connect to the carrier plate 11 of the supporting mechanism 1 . The second suction plate 43 is connected to the inner plate portion 5312 .

[0090] In this embodiment, the material of the magnetic plate 531 is magnet, and the materials of the first magnetic member 29 , the second magnetic member 18 , and the third magnetic member 202 are all magnets.

[0091] The working process of the labeling device provided by the present invention is as follows: a label is placed on the first folding plate 21, the first suction plate 25 and the second folding plate 23 and adsorbed, a workpiece is placed on the carrier plate 11 and the auxiliary plate 17, and the workpiece is at least partially placed on the label; the driving component 124 controls the driving end to extend outward, and drives the pressing member 121 to rotate around the support 123 through the connecting rod 122 to press the workpiece; then, the first driving member 221 drives the first rack 224 to move in the first cavity 225a, and the first rack 224 passes through the third The gear 223 drives the first gear 222 to rotate, so that the first folding plate 21 rotates around the axis of the workpiece, and the label is folded for the first time; at this time, the limiting member 26 controls the limiting portion 261 to extend outward, and the second driving member 241 drives the second rack 243 to move in the fourth cavity 244a, and the second rack 243 drives the second gear 242 to rotate until the first connecting member 201 stops moving after abutting against the limiting portion 261, so that the second folding plate 23 is folded about 90°, and the label is folded first to form a crease, and then the second folding plate 23 is folded for about 90°. The first driving member 221 controls the first folding plate 21 to reset, the limiting member 26 controls the limiting part 261 to retract, and the second driving member 241 controls the second folding plate 23 to continue to fold about 90°, completing the second folding of the label; then, the second lifting driving member 52 drives the second supporting frame 53, the first lifting driving member 51, the third folding plate 41 and the second suction plate 43 to descend together, so that the magnetic plate 531 of the second supporting frame 53 is magnetically connected with the carrier plate 11 of the supporting mechanism 1, and the first lifting driving member 51 drives the third ... The folding plate 41 and the second suction plate 43 descend, and the second suction plate 43 absorbs the label. After that, the first lifting mechanism 3 controls the first folding mechanism 2 to descend, so that the first folding plate 21, the first suction plate 25 and the second folding plate 23 are separated from the workpiece, and the third driving member 421 drives the third rack 425 to move in the seventh cavity 426a, and the third rack 425 drives the fourth gear 422 to rotate through the fifth gear 423 and the sixth gear 424, so that the third folding plate 41 rotates around the axis of the workpiece, and the label is folded for the third time. Fig. 22 It shows the changing status of the label during the three folding processes.

[0092] In this embodiment, the first lifting drive member 51 is an avoidance drive member. When the second lifting drive member 52 controls the magnetic plate 531 of the second support frame 53 to be magnetically connected to the carrier plate 11 of the supporting mechanism 1, the first lifting drive member 51 is in a retracted state, so that the third folding plate 41 and the second suction plate 43 avoid the first folding mechanism 2. After the magnetic plate 531 and the carrier plate 11 are assembled, the first lifting drive member 51 controls the third folding plate 41 and the second suction plate 43 to descend.

[0093] In this embodiment, the first groove 2220, the second groove 2120, the third groove 4220 and the fourth groove 4120 are all U-shaped grooves, the first connection part 212, the second connection part 232, the third connection part 412 and the suction plate connection part 252 are all disc structures, and the grooves extend to the center of the disc structure, so that the cable of the workpiece can be at the center of rotation.

[0094] The labeling device provided by the present invention can realize double folding of the label through the first folding mechanism 2, and realize the third folding of the label through the second folding mechanism 4, and finally the label is attached to the workpiece through three foldings; the first driving member 221, the second driving member 241 and the third driving member 421 all transmit power through gear racks, so that the folding mechanism has a compact structure and stable operation; the folding angle of the second folding plate 23 is adjusted by the limit member 26, and the folding state is controllable, so that the folding accuracy is higher; the movement trajectories of the first folding plate 21, the second folding plate 23 and the third folding plate 41 fully cover the actual folding path of the label, which can ensure that the folding effect is uniform each time and the system is more stable.

[0095] The above implementation modes are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. The understanding of the present invention should be based on the technical personnel in the relevant technical field. Although the present invention has been described in detail in this specification with reference to the above implementation modes, the ordinary technical personnel in the field should understand that the technical personnel in the relevant technical field can still modify or replace the present invention with equivalents, and all technical solutions and improvements thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims

1. A labeling device, characterized in that: include: A carrying mechanism (1) for placing a workpiece; A first folding mechanism (2), wherein the first folding mechanism (2) is movably connected to the carrying mechanism (1), the first folding mechanism (2) comprises a first folding plate (21), a first driving assembly (22) connected to the first folding plate (21), a second folding plate (23), a second driving assembly (24) connected to the second folding plate (23), and a first suction plate (25) arranged between the first folding plate (21) and the second folding plate (23), wherein the first suction plate (25), the first folding plate (21) and the second folding plate (23) are all capable of absorbing labels, the first driving assembly (22) is capable of driving the first folding plate (21) to rotate relative to one side of the first suction plate (25), and the second driving assembly (24) is capable of driving the second folding plate (23) to rotate relative to the other side of the first suction plate (25); as well as A second folding mechanism (4), wherein the second folding mechanism (4) is arranged opposite to the first folding mechanism (2); when the second folding mechanism (4) cooperates with the workpiece, the first folding mechanism (2) is in a state of being separated from the workpiece; the second folding mechanism (4) comprises a third folding plate (41), a third driving assembly (42) connected to the third folding plate (41), and a second suction plate (43); the second suction plate (43) is used for sucking the folding area of ​​the label; the third folding plate (41) is used for sucking the portion of the label extending out of the folding area; and the third driving assembly (42) can drive the third flip plate (41) to rotate relative to one side of the second suction plate (43).

2. The labeling device according to claim 1, characterized in that: The workpiece is arranged on one side of the first suction plate (25), the first driving assembly (22) can drive the first folding plate (21) to rotate around the workpiece along a first rotation direction, and the second driving assembly (24) can drive the second folding plate (23) to rotate around a side of the first suction plate (25) away from the workpiece along a second rotation direction opposite to the first rotation direction; The third driving assembly (42) is capable of driving the third folding plate (41) to rotate around one side of the second suction plate (43) along the second rotation direction.

3. The labeling device according to claim 1, characterized in that: The first driving assembly (22) comprises a first driving member (221) and a first transmission assembly connected to the first driving member (221), and the first folding plate (21) is connected to a first rotating body in the first transmission assembly; The second driving assembly (24) comprises a second driving member (241) and a second transmission assembly connected to the second driving member (241), and the second folding plate (23) is connected to a second rotating body in the second transmission assembly; The third driving assembly (42) comprises a third driving member (421) and a third transmission assembly connected to the third driving member (421), and the third folding plate (41) is connected to a third rotating body in the third transmission assembly.

4. The labeling device according to claim 3, characterized in that: The first folding plate (21) comprises a first plate body (211) and a first connecting portion (212) connected to two ends of the first plate body (211); the first connecting portion (212) at one end of the first folding plate (21) is connected to the first rotating body; the first rotating body is provided with a first groove (2220) for receiving the workpiece; and the first connecting portion (212) is provided with a second groove (2120) for receiving the workpiece; The third folding plate (41) includes a third plate body (411) and a third connecting portion (412) connected to both ends of the third plate body (411), the third connecting portion (412) at one end of the third folding plate (41) is connected to the third rotating body, the third rotating body is provided with a third groove (4220) for receiving the workpiece, and the third connecting portion (412) is provided with a fourth groove (4120) for receiving the workpiece.

5. The labeling device according to claim 3, characterized in that: The first rotating member is specifically a first gear (222), and the second rotating member is specifically a second gear (242). The first transmission assembly comprises a first rack (224) and a third gear (223) driven to rotate by the first rack (224), wherein the third gear (223) is meshed with the first gear (222), and the second transmission assembly comprises a second rack (243) for driving the second gear (242) to rotate.

6. The labeling device according to claim 1, characterized in that: The first folding mechanism (2) comprises a limiting member (26), wherein the limiting member (26) is provided with a limiting portion (261), and the limiting member (26) controls the movement of the limiting portion (261) and limits the stroke of the second driving assembly (24), thereby controlling the folding angle of the second folding plate (23), so that the second folding plate (23) performs pre-folding and main folding, and when the second folding plate (23) performs pre-folding, the first folding plate (21) is in a folding state.

7. The labeling device according to claim 1, characterized in that: The carrying mechanism (1) comprises a carrying plate (11) and a pressing assembly (12) mounted on the carrying plate (11), wherein the carrying plate (11) is provided with a first positioning groove (111) for receiving the workpiece and a through opening (112) for accommodating the first folding mechanism (2). The clamping assembly (12) comprises a pressing piece (121), a connecting rod (122), a support (123) and a driving component (124); a first connection point of the pressing piece (121) is rotatably connected to the support (123); a second connection point of the pressing piece (121) is rotatably connected to the connecting rod (122); the connecting rod (122) is connected to the driving component (124); the driving component (124) controls the pressing piece (121) to rotate around the support (123) through the connecting rod (122) so as to press the workpiece into the first positioning groove (111).

8. The labeling device according to claim 1, characterized in that: The labeling device comprises a first lifting mechanism (3) and a second lifting mechanism (5); the first lifting mechanism (3) is connected to the first folding mechanism (2) and is capable of driving the first folding mechanism (2) to approach or move away from the workpiece; the second lifting mechanism (5) is connected to the second folding mechanism (4) and is capable of driving the second folding mechanism (4) to approach or move away from the workpiece.

9. The labeling device according to claim 8, characterized in that: The first folding mechanism (2) comprises a support plate (28), the support plate (28) is positioned and connected to the supporting mechanism (1), the first driving assembly (22) and the second driving assembly (24) are both connected to the support plate (28), and the driving end of the first lifting mechanism (3) is connected to the support plate (28).

10. The labeling device according to claim 8, characterized in that: The second folding mechanism (4) comprises a first support frame (44), the third folding plate (41) is rotatably connected to the first support frame (44), the second lifting mechanism (5) comprises a first lifting drive member (51), a second lifting drive member (52) and a second support frame (53), the first lifting drive member (51) is connected to the second support frame (53), the first support frame (44) is connected to the driving side of the first lifting drive member (51), the labeling device comprises a frame (6), the second lifting drive member (52) is connected to the frame (6), and the second support frame (53) is connected to the driving side of the second lifting drive member (52).

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