A labelling machine and method thereof

Abstract

The application relates to the technical field of labeling equipment, in particular to a labeling machine and a labeling method thereof, which comprise a rack and a material conveying device arranged on the rack, the material conveying device is used for conveying materials, the rack is sequentially provided with a labeling device, a hot melt glue furnace device and a label pressing device along a material conveying direction of the material conveying device; the labeling device comprises a support and a labeling mechanism arranged on the support; the labeling mechanism comprises a label taking body and a labeling driving assembly for driving the label taking body to move; the label taking body is used for attaching to the material after taking the label; the hot melt glue furnace device is used for gluing the label; and the label pressing device is used for pressing the label attached to the material. The application has a novel structure, one labeling driving assembly can drive the label taking body to take, turn over, glue and attach the label, effectively improves the work efficiency, reduces the labor cost and the instrument cost, and improves the production efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of labeling equipment, in particular to a labeling machine and a labeling method thereof. BACKGROUND

[0002] At present, labeling of products is mostly carried out by manual labeling, which is not only low in efficiency, but also cannot complete automatic production and consumes a large amount of labor cost because the positions of labels on multiple products are not uniform. There are also some labeling machines for labeling, and the labeling machines in the prior art are complex in structure, such as an automatic labeling machine disclosed in patent publication No. CN111572932B, which is complex in structure and needs multiple driving elements to cooperate to realize multiple processes of labeling, thereby being high in equipment cost. SUMMARY

[0003] The present application provides a labeling machine and a labeling method thereof, and a labeling driving assembly can drive a label taking body to take, turn over, apply glue and attach labels, thereby effectively improving work efficiency, reducing labor cost and equipment cost and improving production efficiency.

[0004] In order to solve the above technical problems, the present application adopts the following technical solutions:

[0005] The present application provides a labeling machine, which comprises a rack and a material conveying device arranged on the rack, the material conveying device is used for conveying materials, and the rack is sequentially provided with a labeling device, a hot melt glue furnace device and a label pressing device along a material conveying direction of the material conveying device;

[0006] The labeling device comprises a support and a labeling mechanism arranged on the support, the labeling mechanism comprises a label taking body and a labeling driving assembly for driving the label taking body to move, and the label taking body is used for attaching labels on materials after taking the labels;

[0007] The hot melt glue furnace device is used for applying glue to the labels;

[0008] The label pressing device is used for pressing the labels attached on the materials.

[0009] The labeling driving assembly comprises a displacement driving part and a rotation driving part.

[0010] The displacement driving part drives the label taking body to move forward and backward, and the rotation driving part drives the label taking body to rotate when moving forward and backward to turn over the labels.

[0011] The displacement driving part comprises a displacement driving element and a displacement base, an output end of the displacement driving element is connected with the displacement base, the displacement base is in sliding connection with the support, and one end of the label taking body is rotationally arranged on the displacement base.

[0012] The support is provided with a guide rail, and the displacement base is provided with a guide block in sliding connection with the guide rail.

[0013] The rotating driving part comprises a connecting shaft, a guide rack, a guide gear, a first synchronous wheel, a second synchronous wheel and a synchronous belt, the connecting shaft is rotatably arranged on the displacement base, the guide rack is fixedly arranged on the support, the first synchronous wheel is fixedly sleeved on one end of the connecting shaft, the guide gear is fixedly sleeved on the other end of the connecting shaft, the guide gear is in meshing connection with the guide rack, the second synchronous wheel is fixedly sleeved on one end of the label taking body, and the first synchronous wheel is in transmission connection with the second synchronous wheel through the synchronous belt.

[0014] The displacement base is further rotatably provided with a pressing wheel, the pressing wheel is in sliding abutment with the synchronous belt, and the pressing wheel is located between the first synchronous wheel and the second synchronous wheel.

[0015] One end of the connecting shaft is further provided with a clamping arm, the clamping arm is rotatably provided with a guide pulley, and the support is provided with a guide sliding groove in sliding abutment with the guide pulley.

[0016] The label sticking device further comprises a label storage mechanism arranged on one side of the support.

[0017] The label taking body is provided with a suction nozzle assembly for adsorbing labels, the suction nozzle assembly comprises a plurality of suction nozzle bodies, the plurality of suction nozzle bodies are arranged on the label taking body in a row and at equal intervals along the length direction of the label taking body, the label taking body is hollow, one end of the label taking body is provided with a vacuum connector, and the suction nozzle bodies are in communication with the vacuum connector through the label taking body.

[0018] The hot melt glue furnace device comprises a glue furnace body, a heating mechanism arranged on the glue furnace body, and a glue applying mechanism arranged on the glue furnace body.

[0019] The glue furnace body is provided with a hot melt cavity, the heating mechanism is used for heating the hot melt cavity, the glue applying mechanism is located in the hot melt cavity, and the glue applying mechanism comprises a shaft roller and a plurality of glue applying wheels sleeved on the outer periphery of the shaft roller.

[0020] The heating assembly comprises a plurality of heating rods, the plurality of heating rods are arranged in a row and at equal intervals, and the plurality of heating rods are arranged at the bottom of the outer wall of the hot melt cavity.

[0021] The plurality of glue applying wheels are arranged at equal intervals along the axial direction of the shaft roller.

[0022] The application also provides a labeling method, comprising the following steps:

[0023] S1, the packaged material is transmitted forward along the material transmission device;

[0024] S2, the label is taken by the label taking body, and the label taking body is driven to pass through the hot melt glue furnace device at the same time;

[0025] S3, the hot melt glue furnace device glues the label;

[0026] S4, the label taking body is driven to move and the glued label is attached to the packaged material;

[0027] S5, the labeled material is discharged.

[0028] The application has the following beneficial effects:

[0029] When the application works, the packaged material is placed on the material transmission device and transmitted forward, the packaged material passes through the labeling device and the label pressing device in sequence, and the label is attached to the material and the attached label is pressed, respectively; further, the labeling driving assembly drives the label taking body to move and take the label, and drives the label taking body to pass through the hot melt glue furnace device, the hot melt glue furnace device glues the label, and then the labeling driving assembly drives the label taking body to move and attach the label to the packaged material, the application has novel structure, one labeling driving assembly can drive the label taking body to take, turn over, glue and attach the label, effectively improves the work efficiency, reduces the labor cost and instrument cost, and improves the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is a structural schematic view of a labeling machine of the application.

[0031] Figure 2 It is a structural schematic view of a support, a label storage mechanism and a labeling mechanism of the application.

[0032] Figure 3 It is another perspective structural schematic view of a support, a label storage mechanism and a labeling mechanism of the application.

[0033] Figure 4 It is a partial structural schematic view of a support and a labeling mechanism of the application.

[0034] Figure 5 It is a structural schematic view of a label storage mechanism of the application.

[0035] Figure 6 It is a structural schematic view of a hot melt glue furnace device of the application.

[0036] Figure 7This is a schematic diagram of the hot melt adhesive furnace device of the present invention from another perspective.

[0037] Figure 8 This is a schematic diagram of the adhesive application mechanism and adhesive removal mechanism of the present invention.

[0038] Figure 9 This is a flowchart of a labeling method according to the present invention.

[0039] exist Figures 1 to 9 The reference numerals in the figures include:

[0040] 1. Glue oven body; 2. Heating mechanism; 3. Hot melt chamber; 4. Shaft roller; 5. Glue application wheel; 6. Glue application drive component; 7. Heating rod; 8. Temperature sensor; 9. Glue cleaning mechanism; 10. Fixed base; 11. Glue cleaning shaft; 12. First elastic element; 13. Second elastic element; 14. Glue cleaning movable block; 15. Glue cleaning sheet; 16. Glue cleaning groove; 17. Stop block; 18. Connecting block; 19. Third elastic element;

[0041] 001. Label; 100. Support; 200. Label storage mechanism; 300. Labeling mechanism; 400. Material conveying device; 500. Frame;

[0042] 101. Label picker; 102. Labeling drive assembly; 103. Nozzle body; 104. Vacuum connector; 105. Displacement drive component; 106. Displacement base; 107. Coupling shaft; 108. Guide rack; 109. Guide gear; 110. First synchronous pulley; 111. Second synchronous pulley; 112. Synchronous belt; 113. Pressure roller; 114. Clamping arm; 115. Guide pulley; 116. Guide groove; 117. Guide rail; 118. Guide... 119. Storage rack; 120. Storage assembly; 121. Width adjustment assembly; 122. Storage upright; 123. Support component; 124. Storage adjustment plate; 125. Positioning block; 126. Adjustment guide shaft; 127. First adjustment screw; 128. Width adjustment support upright; 129. Second adjustment screw; 130. Width adjustment block; 131. Horizontal support strip; 132. Transition angle; 133. Label pressing block; 134. Label pressing cylinder. Detailed Implementation

[0043] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to embodiments and accompanying drawings. The content mentioned in the embodiments is not intended to limit the present invention. The present invention will be described in detail below with reference to the accompanying drawings.

[0044] Example 1

[0045] A labeling machine, such as Figures 1 to 8As shown, it comprises a rack 500 and a conveying device 400 mounted on the rack 500, the conveying device 400 being used for conveying materials; the rack 500 is sequentially provided with a labeling device, a hot melt glue furnace device and a label pressing device along the material conveying direction of the material conveying device 400; the material conveying device 400 comprises a material conveying belt and a conveying driving assembly for driving the material conveying belt to move; the label pressing device comprises a label pressing block 133 and a label pressing cylinder 134 for driving the label pressing block 133 to move back and forth;

[0046] The labeling device comprises a support 100 and a labeling mechanism 300 mounted on the support 100; the labeling mechanism 300 comprises a label taking body 101 and a labeling driving assembly 102 for driving the label taking body 101 to move; the label taking body 101 is used for taking a label 001 and attaching it on a material;

[0047] The hot melt glue furnace device is used for gluing the label 001;

[0048] The label pressing device is used for pressing the label 001 attached on the material.

[0049] Specifically, during operation, the packaged material is placed on the material conveying device 400 and conveyed forward, and the packaged material sequentially passes through the labeling device and the label pressing device, respectively, to attach the label 001 on the material and press the attached label 001; further, the labeling driving assembly 102 drives the label taking body 101 to move and take the label 001, and drives the label taking body 101 to pass through the hot melt glue furnace device, the hot melt glue furnace device glues the label 001, and then the labeling driving assembly 102 drives the label taking body 101 to move and attach the label 001 on the packaged material, the structure of the present application is novel, one labeling driving assembly 102 can drive the label taking body 101 to take, turn over, glue and attach the label 001, effectively improving the work efficiency, reducing the labor cost and the equipment cost, and improving the production efficiency.

[0050] Further, in the present embodiment, the label taking body 101 is provided with a suction nozzle assembly for adsorbing the label 001; the suction nozzle assembly comprises a plurality of suction nozzle bodies 103, the plurality of suction nozzle bodies 103 are mounted on the label taking body 101 in a row and at equal intervals along the length direction of the label taking body 101, the label taking body 101 is hollow, one end of the label taking body 101 is provided with a vacuum connector 104, and the suction nozzle bodies 103 are communicated with the vacuum connector 104 through the label taking body 101. Preferably, the label taking body 101 is a shaft body; the vacuum connector 104 is used for connecting a vacuum air source, so as to conveniently realize the adsorption of the label 001 by the suction nozzle bodies 103.

[0051] In the embodiment, the labeling device further comprises a label 001 storage mechanism arranged on one side of the support 100. The labeling drive assembly 102 comprises a displacement drive part and a rotation drive part.

[0052] The displacement drive part drives the label taking body 101 to move forward and backward, and the rotation drive part drives the label taking body 101 to rotate when moving forward and backward to flip the label 001.

[0053] Specifically, in the working process of the embodiment, the external robot or the operator pre-stacks the labels 001 in the label 001 storage mechanism in a stacked manner, and then the labeling drive assembly 102 drives the label taking body 101 to work. In the initial state, the suction nozzle assembly of the label taking body 101 adsorbs the label 001 at the bottom of the label 001 storage mechanism. Then the displacement drive part drives the label taking body 101 to move forward. While moving forward, the label taking body 101 is also rotated by the rotation drive part, so that the label 001 adsorbed by the label taking body 101 is flipped, and the flipped label 001 is directly moved forward to label the packaged product. The structure is compact, and one labeling drive assembly 102 can realize the forward movement, flipping and labeling of the label 001, effectively improving the work efficiency, reducing the labor cost and improving the production efficiency.

[0054] Further, the displacement drive part comprises a displacement drive member 105 and a displacement base 106. The output end of the displacement drive member 105 is connected with the displacement base 106, the displacement base 106 is slidingly connected with the support 100, and one end of the label taking body 101 is rotationally arranged on the displacement base 106. The support 100 is provided with a guide rail 117, and the displacement base 106 is provided with a guide block 118. The guide block 118 is slidingly connected with the guide rail 117. Specifically, under the above arrangement, the displacement drive member 105 drives the displacement base 106 to move forward and backward. The displacement drive member 105 can be a cylinder, preferably a rodless cylinder, which occupies less space. In the working process, the displacement base 106 is driven to move forward and backward, so that the guide block 118 slides along the guide rail 117, thereby ensuring the stability of the displacement base 106 during movement.

[0055] In this embodiment, the rotating driving part comprises a connecting shaft 107, a guide rack 108, a guide gear 109, a first synchronous wheel 110, a second synchronous wheel 111 and a synchronous belt 112, the connecting shaft 107 is rotatably arranged on the displacement base 106, the guide rack 108 is fixedly arranged on the support 100, the first synchronous wheel 110 is fixedly sleeved on one end of the connecting shaft 107, the guide gear 109 is fixedly sleeved on the other end of the connecting shaft 107, the guide gear 109 is in meshing connection with the guide rack 108, the second synchronous wheel 111 is fixedly sleeved on one end of the label taking body 101, and the first synchronous wheel 110 is in driving connection with the second synchronous wheel 111 through the synchronous belt 112; wherein one end of the connecting shaft 107 is further provided with a clamping arm 114, a guide pulley 115 is rotatably arranged on the clamping arm 114, and a guide sliding groove 116 is arranged in the support 100 and in sliding abutment with the guide pulley 115.

[0056] Specifically, when the guide gear 109 rotates, the label taking body 101 is driven to rotate under the action of the first synchronous wheel 110, the connecting shaft 107, the second synchronous wheel 111 and the synchronous belt 112; in the initial state, the suction nozzle assembly of the label taking body 101 is adsorbed with the label 001 at the bottom of the label storage mechanism, and the guide rack 108 is in meshing connection with the guide gear 109, and the guide gear 109 is located at the end of the guide rack 108; as the displacement base 106 moves forward, the guide gear 109 rotates along the length direction of the guide rack 108, thereby driving the label taking body 101 to rotate, so that the adsorbed label 001 is turned over, so as to facilitate the label 001 to be attached to the packaged product; the guide pulley 115 and the guide sliding groove 116 are in sliding abutment, so that after the guide gear 109 is separated from the guide rack 108, the label taking body 101 will not rotate, so as to ensure that the turned-over label 001 will not be displaced, and the stability and reliability of the label 001 attached to the label 001 are ensured.

[0057] When the displacement base 106 is reset, the guide gear 109 moves from the front end of the guide rack 108 to the end of the guide rack 108, so that the label taking body 101 rotates and the suction nozzle assembly thereof is reset to the bottom of the label storage mechanism to adsorb the label 001.

[0058] In this embodiment, the displacement base 106 is further provided with a pressing wheel 113 rotatably arranged, the pressing wheel 113 is in sliding abutment with the synchronous belt 112, and the pressing wheel 113 is located between the first synchronous wheel 110 and the second synchronous wheel 111; specifically, under this arrangement, the tension of the synchronous belt 112 can be maintained, so that the first synchronous wheel 110 can drive the second synchronous wheel 111 to rotate synchronously when the first synchronous wheel 110 rotates, and the working stability is high.

[0059] The label affixing device further comprises a label storage mechanism 200 arranged on one side of the support frame in the embodiment. The label storage mechanism 200 is arranged obliquely on one side of the support frame. The label storage mechanism 200 comprises a storage rack 119, a storage assembly 120 arranged on the storage rack 119, and a width adjusting assembly 121 arranged on the storage rack 119. The storage assembly 120 comprises a storage upright plate 122, a support part 123 arranged at the bottom of the storage upright plate 122, and two storage adjusting plates 124 respectively slidingly arranged on both sides of the storage upright plate 122. A positioning block 125 is arranged in the middle of the storage upright plate 122. The positioning block 125 is provided with an adjusting guide shaft 126. First adjusting screws 127 are rotatably arranged on both sides of the positioning block 125. The two storage adjusting plates 124 are respectively threadedly connected with the first adjusting screws 127 on both sides of the positioning block 125. The adjusting guide shaft 126 slidingly penetrates the two storage adjusting plates 124. Specifically, the first adjusting screws 127 on both sides of the positioning block 125 are rotatable. The distance between the two storage adjusting plates 124 can be adjusted by adjusting the first adjusting screws 127. Further, the width adjusting assembly 121 comprises a width adjusting support upright plate 128, a second adjusting screw 129, and a width adjusting block 130. The width adjusting support upright plate 128 is arranged on one side of the width adjusting block 130. The second adjusting screw 129 is rotatably arranged on the storage rack 119. The width adjusting block 130 is threadedly connected with the second adjusting screw 129. The width adjusting support upright plate 128 is arranged in parallel with the storage upright plate 122, and a space for storing labels 001 is formed between the two. In this arrangement, the distance between the width adjusting support upright plate 128 and the storage upright plate 122 can be adjusted. As mentioned above, the distance between the two storage adjusting plates 124 can be adjusted by adjusting the first adjusting screws 127. In the above arrangement, the label 001 storage mechanism can store labels 001 of different sizes.

[0060] In this embodiment, the support component 123 includes a support body arranged in steps, specifically, the support body arranged in steps can support multiple layers of labels 001 and facilitate layering of the labels 001, preventing the suction nozzle assembly from sucking too many labels 001 when sucking the bottommost label 001, affecting the processing stability; further, the bottom of the width adjusting support stand 128 is provided with a horizontal support strip 131, and the connection between the width adjusting support stand 128 and the horizontal support strip 131 is provided with a recessed transition corner 132, which is an acute angle; under this arrangement, the upper end of the transition corner 132 is provided with an arc-shaped downward sliding slope, so that one end of the label 001 falls along the arc-shaped downward sliding slope to the transition corner 132 when falling, further effectively preventing the suction nozzle assembly from sucking too many labels 001 when sucking the bottommost label 001, ensuring that the suction nozzle assembly only sucks one label 001 at a time, improving the working stability; wherein the storage rack 119 is arranged obliquely on one side of the bracket, which facilitates the labels to fall naturally to the transition corner 132 under gravity; wherein the width adjusting support stand 128 and the storage stand 122 are designed to be hollow, facilitating the suction nozzle assembly to adsorb the labels 001.

[0061] In this embodiment, the hot melt glue furnace device includes a glue furnace body 1, a heating mechanism 2 arranged on the glue furnace body 1, and a glue applying mechanism arranged on the glue furnace body 1;

[0062] A hot melt cavity 3 is formed in the glue furnace body 1, the heating mechanism 2 is used to heat the hot melt cavity 3, and the glue applying mechanism is located in the hot melt cavity 3. The glue applying mechanism includes a shaft roller 4 and a plurality of glue applying wheels 5 sleeved on the outer periphery of the shaft roller 4. The two ends of the shaft roller 4 are rotatably arranged on the glue furnace body 1, and the plurality of glue applying wheels 5 are distributed along the axial direction of the shaft roller 4. Preferably, the plurality of glue applying wheels 5 are equally spaced along the axial direction of the shaft roller 4.

[0063] Specifically, the hot melt glue furnace device of the present embodiment has a novel structure. The glue is contained in the hot melt cavity 3 of the glue furnace body 1, and the heating mechanism 2 is used to heat and melt the glue in the hot melt cavity 3. Under the rotating action of the shaft roller 4, the glue applying wheels 5 are driven to rotate, so that the glue applying wheels 5 are attached with glue. When the label 001 that needs to be attached with glue passes through the upper end of the hot melt cavity 3, it abuts against the outer edge of the glue applying wheel 5, and the glue applying wheel 5 attaches glue to the product. The operation is simple, the label 001 can be quickly glued, the gluing efficiency is improved, the labor cost is reduced, and the plurality of glue applying wheels 5 are equally spaced along the axial direction of the shaft roller 4, ensuring that each position of the product is coated with glue. When the glue applying wheels 5 rotate, the amount of glue on the product is also inconsistent, which improves the uniformity of the coated glue and is beneficial to improving the production efficiency.

[0064] In the embodiment, the glue applying mechanism further comprises a glue applying driving member 6 for driving the shaft roller 4 to rotate. Specifically, the glue applying driving member 6 can be an external transmission structure assembly or a motor.

[0065] In the embodiment, the heating assembly comprises a plurality of heating rods 7 arranged in a row and spaced at equal intervals, and the plurality of heating rods 7 are arranged at the bottom of the outer wall of the hot melting cavity 3. The heating assembly further comprises a temperature sensor 8 arranged at the bottom of the outer wall of the hot melting cavity 3. Specifically, the plurality of heating rods 7 arranged in a row and spaced at equal intervals under the above arrangement are good in uniformity of hot melting of the glue in the hot melting cavity 3, ensure uniformity of the temperature of the glue in the hot melting cavity 3, and facilitate to improve the stability of the glue applying wheel 5 during work.

[0066] In the embodiment, the hot melt glue furnace device further comprises a glue cleaning mechanism 9, the glue cleaning mechanism 9 comprises a fixed seat 10, a glue cleaning rotating shaft 11, and a plurality of glue cleaning assemblies, the two ends of the glue cleaning rotating shaft 11 are rotatably arranged on the glue furnace body 1, the plurality of glue cleaning assemblies are arranged along the axial direction of the glue cleaning rotating shaft 11, and the glue cleaning assemblies correspond to the glue applying wheels 5 one by one.

[0067] The fixed seat 10 is arranged on one side of the inner wall of the hot melting cavity 3, the glue cleaning assembly comprises a first elastic member 12, a second elastic member 13, a glue cleaning movable block 14, and a glue cleaning sheet 15 arranged on the upper end of the glue cleaning movable block 14, and the glue cleaning movable block 14 is fixedly sleeved on the outer periphery of the glue cleaning rotating shaft 11.

[0068] The front end of the glue cleaning sheet 15 is provided with a glue cleaning groove 16, and the width of the glue cleaning groove 16 corresponds to the thickness of the glue applying wheel 5. Specifically, under the above arrangement, the glue applying edges and both sides of the glue applying wheel 5 can be quickly cleaned, so as to avoid the glue of the glue applying wheel 5 from being solidified and accumulated, thereby affecting the subsequent work.

[0069] The two ends of the first elastic member 12 are connected to the glue cleaning sheet 15 and the glue cleaning movable block 14, respectively.

[0070] The rear end of the glue cleaning movable block 14 is provided with a stop block 17 for abutting against the lower end of the fixed seat 10, and the two ends of the second elastic member 13 are connected to the lower end of the fixed seat 10 and the stop block 17, respectively. The first elastic member 12 and the second elastic member 13 are springs.

[0071] Specifically, during the glue cleaning work, the glue cleaning sheet 15 abuts against the glue applying edges of the glue applying wheel 5, so as to clean the glue applying edges of the glue applying wheel 5. The glue of the glue applying wheel 5 is solidified and accumulated, thereby affecting the subsequent work. The rotating shaft is rotatable, and the movable block swings along with the rotation of the rotating shaft. Under the action of the first elastic member 12 and the second elastic member 13, the first elastic member 12 and the second elastic member 13 play a buffering role when the glue cleaning sheet 15 abuts against the glue applying wheel 5, so as to avoid the glue cleaning sheet 15 from scratching the glue applying wheel 5, and the structure is reliable.

[0072] In the embodiment, the glue cleaning mechanism 9 further comprises an avoiding driving element (not shown in the figure), an output end of the avoiding driving element is connected with the connecting block 18, and the avoiding driving element is a pneumatic cylinder. Specifically, under the above arrangement, the avoiding driving element drives the connecting block 18 to move to drive the glue cleaning shaft 11 to rotate, thereby driving the rotation of the movable block, so as to drive the glue cleaning piece 15 to open away from the glue applying wheel 5, thereby facilitating the glue applying wheel 5 to apply glue to the external product.

[0073] In the embodiment, one end of the glue cleaning shaft 11 extends out of the glue furnace body 1 and is connected with the connecting block 18, one end of the outer wall of the glue furnace body 1 is connected with a third elastic element 19, and the third elastic element 19 is connected with the connecting block 18. Specifically, the third elastic element 19 is a tension spring, and pulling the connecting block 18 drives the glue cleaning shaft 11 to move, so that the glue cleaning piece 15 is kept abutting against the glue applying wheel 5.

[0074] Embodiment 2

[0075] The embodiment 2 provides a labeling method, which comprises the following steps:

[0076] S1, the packaged material is transmitted forward along the material transmission device;

[0077] S2, the label is taken by the taking and labeling body, and the taking and labeling body is driven to pass through the hot melt glue furnace device at the same time;

[0078] S3, the hot melt glue furnace device applies glue to the label;

[0079] S4, the taking and labeling body is driven to move, and the glued label is attached to the packaged material;

[0080] S5, the labeled material is discharged.

[0081] In the embodiment 2, the taking and labeling body takes, turns over, applies glue to and attaches the label, effectively improves the work efficiency, reduces the labor cost and the instrument cost, and improves the production efficiency.

[0082] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application is disclosed as above with the preferred embodiment, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above disclosed technical content without departing from the technical solution of the present application, and the equivalent embodiments with equivalent changes are equivalent to the above embodiments. Any simple modification, equivalent change and modification made to the above embodiments within the technical solution of the present application are within the scope of the present application.

Claims

1. A labelling machine characterised in that: The application relates to a material conveying device and a labeling device. The labeling device comprises a rack and a material conveying device arranged on the rack, the material conveying device is used for conveying materials, and the rack is sequentially provided with a labeling device, a hot melt glue furnace device and a label pressing device along a material conveying direction of the material conveying device. The labeling device comprises a support and a labeling mechanism arranged on the support. The labeling mechanism comprises a labeling label body and a labeling driving assembly used for driving the labeling label body to move. The labeling label body is used for taking labels and attaching the labels on materials. The hot melt glue furnace device is used for gluing labels. The label pressing device is used for pressing the labels attached on the materials. The labeling label body is provided with a suction nozzle assembly used for sucking labels. The labeling driving assembly comprises a displacement driving part and a rotating driving part. The displacement driving part drives the labeling label body to move forward and backward, and the rotating driving part drives the labeling label body to rotate when the labeling label body moves forward and backward and drives the labels to flip. The displacement driving part comprises a displacement driving piece and a displacement base, the output end of the displacement driving piece is connected with the displacement base, the displacement base is slidably connected with the support, and one end of the labeling label body is rotatably arranged on the displacement base. The support is provided with a guide rail, and the displacement base is provided with a guide block which is slidably connected with the guide rail. The rotating driving part comprises a connecting shaft, a guide rack, a guide gear, a first synchronous wheel, a second synchronous wheel and a synchronous belt, the connecting shaft is rotatably arranged on the displacement base, the guide rack is fixedly arranged on the support, the first synchronous wheel is fixedly sleeved on one end of the connecting shaft, the guide gear is fixedly sleeved on the other end of the connecting shaft, the guide gear is meshedly connected with the guide rack, the second synchronous wheel is fixedly sleeved on one end of the labeling label body, and the first synchronous wheel is transmissionally connected with the second synchronous wheel through the synchronous belt. The displacement base is further rotatably provided with a pressing wheel which is slidably abuts against the synchronous belt, and the pressing wheel is located between the first synchronous wheel and the second synchronous wheel. One end of the connecting shaft is further provided with a clamping arm, the clamping arm is rotatably provided with a guide pulley, and the support is provided with a guide sliding groove which slidably abuts against the guide pulley. When the guide gear rotates, the labeling label body is driven to rotate through the first synchronous wheel, the connecting shaft, the second synchronous wheel and the synchronous belt. In the initial state, the suction nozzle assembly of the labeling label body is adsorbed with the label at the bottom of the label storage body, the guide rack is meshedly connected with the guide gear, and the guide gear is located at the end of the guide rack. With the displacement base moving forward, the guide gear rotates along the length direction of the guide rack, thereby driving the labeling label body to rotate and making the adsorbed label flip to attach the labels on the packaged products. The guide pulley and the guide sliding groove keep sliding abutment, so that when the guide gear is separated from the guide rack, the labeling label body does not rotate. The hot melt glue furnace device comprises a glue furnace body, a heating mechanism arranged on the glue furnace body and a gluing mechanism arranged on the glue furnace body. The glue furnace body is provided with a hot melting cavity, the heating mechanism is used for heating the hot melting cavity, the glue applying mechanism is located in the hot melting cavity, the glue applying mechanism comprises a shaft roller and a plurality of glue applying wheels sleeved on the outer periphery of the shaft roller, and both ends of the shaft roller are rotationally arranged on the glue furnace body, and the plurality of glue applying wheels are distributed along the axial direction of the shaft roller; The glue is contained in the hot melting cavity of the glue furnace body, the glue in the hot melting cavity is heated and melted by the heating mechanism, the glue applying wheels are driven to rotate under the rotation of the shaft roller, the glue applying wheels are attached with the glue, and when the label needing to be attached with the glue passes through the upper end of the hot melting cavity, the outer edge of the glue applying wheel is abutted, and the glue is attached to the product by the glue applying wheel; The heating mechanism comprises a plurality of heating rods, the plurality of heating rods are distributed in a row and at equal intervals, and the plurality of heating rods are arranged at the bottom of the outer wall of the hot melting cavity; The hot melting glue furnace device further comprises a glue cleaning mechanism, the glue cleaning mechanism comprises a fixing seat, a glue cleaning rotating shaft and a plurality of glue cleaning components, both ends of the glue cleaning rotating shaft are rotationally arranged on the glue furnace body, and the plurality of glue cleaning components are distributed along the axial direction of the glue cleaning rotating shaft, and the glue cleaning components correspond to the glue applying wheels one by one; The fixing seat is arranged on one side of the inner wall of the hot melting cavity, the glue cleaning component comprises a first elastic member, a second elastic member, a glue cleaning movable block and a glue cleaning sheet arranged on the upper end of the glue cleaning movable block, and the glue cleaning movable block is fixedly sleeved on the outer periphery of the glue cleaning rotating shaft; The front end of the glue cleaning sheet is provided with a glue cleaning groove, and the width of the glue cleaning groove corresponds to the thickness of the glue applying wheel; Both ends of the first elastic member are connected to the glue cleaning sheet and the glue cleaning movable block respectively; The rear end of the glue cleaning movable block is provided with a stop block, the stop block is used for abutting the lower end of the fixing seat, and both ends of the second elastic member are connected to the lower end of the fixing seat and the stop block respectively; During the glue cleaning work, the glue cleaning sheet abuts the glue applying outer edge of the glue applying wheel; the rotating shaft can rotate, and the movable block swings along with the rotation of the rotating shaft; The glue cleaning mechanism further comprises an avoiding driving member, the output end of the avoiding driving member is connected with the connecting block, and the avoiding driving member is a gas cylinder; the avoiding driving member drives the connecting block to move to drive the glue cleaning rotating shaft to rotate, and then drives the movable block to rotate, so that the glue cleaning sheet is driven to open and move away from the glue applying wheel; One end of the glue cleaning rotating shaft extends out of the glue furnace body and is connected with the connecting block, one end of the outer wall of the glue furnace body is connected with a third elastic member, and the third elastic member is connected with the connecting block.

2. A labelling machine according to claim 1, characterised in that: The label sticking device further comprises a label storage mechanism arranged on one side of the support.

3. A labelling machine according to claim 1, characterised in that: The suction nozzle assembly comprises a plurality of suction nozzle bodies, the plurality of suction nozzle bodies are arranged in a row and at equal intervals along the length direction of the label taking body, the label taking body is hollow, one end of the label taking body is provided with a vacuum connector, and the suction nozzle bodies are in communication with the vacuum connector through the label taking body.

4. A labelling method based on the labelling machine according to any one of claims 1-3, characterised in that, The method comprises the following steps: S1, the packaged material is transmitted forward along the material transmission device; S2, the label is taken by the label taking body, and the label taking body is driven to pass through the hot melting glue furnace device at the same time; S3, the label is glued by the hot melting glue furnace device; S4, the label taking body is driven to move and the glued label is attached to the packaged material; S5, the material after the label is attached is discharged.

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