Portable labeling and sealing machine

Abstract

The utility model provides a portable labeling sealing machine which comprises a case, a telescopic labeling head, an unwinding device, a stripping device, a driving device and a paper collecting device, and the unwinding device, the stripping device, the driving device and the paper collecting device are sequentially fixed on the outer side wall of the case, between the unwinding device and the stripping device and between the stripping device and the driving device. Guide columns are arranged between the driving device and the paper collecting device. A panel is hinged to the top of the machine box, a label outlet is formed in the portion, exceeding the machine box, of the panel, the telescopic labeling head and the stripping device are located above and below the label outlet respectively, and a label supporting roller is arranged at the position, between the telescopic labeling head and the stripping device, of the label outlet. The telescopic labeling head is provided with a trigger electric eye on the front connecting plate; and a first labeling limiting plate is adjustably arranged on one side, in front of the telescopic labeling head, of the panel. The labeling device is simple in structure and convenient to operate, the labeling efficiency is further improved, the labels can be effectively prevented from being scratched, and the labeling effect is improved.

Description

Technical Field

[0001] This utility model relates to the field of product sealing equipment technology, specifically to a convenient labeling and sealing machine. Background Technology

[0002] As packaging boxes become more widely used, in order to identify various information about the products inside the packaging boxes and meet the sealing requirements of the packaging boxes, more and more labeling and sealing machines are being used in the market to label and seal packaging boxes containing products.

[0003] However, the labeling and sealing machines currently on the market are relatively bulky, with complex structures and operations, resulting in low labeling efficiency for packaging boxes and making them unsuitable for users with simpler labeling needs. In addition, during the labeling process, excessive friction between the label and the external environment can easily scratch the label, affecting user experience. Furthermore, the lack of a label support structure at the label outlet makes it easy for air bubbles to form on the label, preventing it from adhering tightly to the packaging box and thus affecting the labeling effect. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model proposes a convenient labeling and sealing machine with a simple structure and easy operation, which further improves labeling efficiency and effectively prevents labels from being scratched, thus enhancing the labeling effect.

[0005] The technical solution of this utility model is implemented as follows:

[0006] A portable labeling and sealing machine includes a machine housing, a telescopic labeling head, an unwinding device, a peeling device, a drive device, and a paper receiving device. The unwinding device, peeling device, drive device, and paper receiving device are fixed sequentially on the outer side wall of the machine housing. Guide columns are provided between the unwinding device and the peeling device, between the peeling device and the drive device, and between the drive device and the paper receiving device.

[0007] The top of the casing is hinged with a panel, and the part of the panel that extends beyond the casing has a label outlet. The telescopic labeling head and the peeling device are located above and below the label outlet, respectively. A label-supporting roller is provided between the label outlet and the telescopic labeling head and the peeling device. The telescopic labeling head has a trigger photoelectric sensor at its front end. The panel has an adjustable first labeling limit plate on one side in front of the telescopic labeling head.

[0008] Preferably, the unwinding device includes an unwinding shaft, an unwinding core, and baffle structures located on both sides of the unwinding core. The unwinding core is located in the middle of the unwinding shaft, and the baffle structures on both sides are detachably fixed to both ends of the unwinding shaft. Anti-pinch rings are provided at the connection between the baffle structures and the unwinding shaft.

[0009] Preferably, the top of the peeling plate of the peeling device is inclined to one side, and the peeling device is provided with a pressure device on the inclined side. The driving device is located on the other side of the inclined side of the peeling device. The pressure device includes a pressure plate, a connecting roller and a fixing plate. One end of the fixing plate is rotatably and adjustablely fixed to the outer wall of the machine box. The pressure plate is fixedly connected to the connecting roller and fixed to the other end of the fixing plate through the connecting roller.

[0010] Preferably, the driving device includes a driver, a driving roller, a driven roller, and a fixed base. The driver is driven to the driving roller. Both the driving roller and the driven roller are movably mounted on the fixed base, and the driven roller is adjustablely mounted to one side of the driving roller.

[0011] Preferably, the paper receiving device includes a paper receiving rod, a driven shaft, a transmission wheel, and a paper receiving shaft seat. One end of the driven shaft is fixedly connected to the paper receiving rod, and the other end of the driven shaft passes through the transmission wheel and is movably connected to the paper receiving shaft seat. The transmission wheel is fixed on the driven shaft and is connected to the driver via a transmission belt.

[0012] Preferably, the paper receiving rod includes a rod body, a push-pull rod, and two sliders. The rod body is provided with grooves at both the top and bottom. One end of each slider is fixed to the end of the groove near the driven rotating shaft, and the other end of each slider is elastically connected to the other end of the groove. Elastic metal clips are fixed to the outside of the two sliders. The push-pull rod can slide between the upper and lower grooves to make the slider protrude out of the groove or retract into the groove.

[0013] Preferably, a second labeling limit plate is adjustable on the other side of the panel in front of the telescopic labeling head.

[0014] Preferably, adjusting rings are provided at both ends of the guide post.

[0015] Preferably, a fixing strip is fixedly connected to the panel, and the fixing strip has a long arc-shaped groove. The panel is adjustablely fixed to a certain position on the top of the chassis through the long arc-shaped groove.

[0016] Preferably, the labeling and sealing machine also includes an electrically connected main control board, a switching power supply, a motor driver, a power switch socket, and an operation panel. The switching power supply and the motor driver are both fixed to the bottom of the inner side of the chassis, the power switch socket is fixed to the rear side wall of the chassis, and the operation panel is obliquely placed on the front side wall of the chassis.

[0017] Compared with the prior art, the present invention has the following advantages:

[0018] In this invention, the unwinding device, peeling device, driving device, and paper receiving device are sequentially fixed on the outer wall of the machine casing, forming a semi-enclosed design with a simple structure. The top panel of the machine casing has a label outlet, and a label-supporting roller is positioned between the telescopic labeling head and the peeling device. This roller rolls synchronously as the packaging box is pushed towards the telescopic labeling head, supporting the label to press it firmly against the bottom of the box, preventing air bubbles and improving the labeling effect. It also reduces external friction on the label to prevent scratches. Furthermore, a trigger photoelectric sensor is directly located at the front end of the telescopic labeling head to transmit the received photoelectric signal to the main control board, which then controls the start and stop of the driving device. The simple sensing method and structure make operation convenient and improve labeling efficiency. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the portable labeling and sealing machine according to Embodiment 1 of this utility model;

[0021] Figure 2 This is a three-dimensional view of the front panel of the labeling and sealing machine of this utility model when it is open;

[0022] Figure 3 This is a three-dimensional view of the labeling and sealing machine of this utility model with the panel opened.

[0023] Figure 4 This is a schematic diagram of the interior of the machine casing in the labeling and sealing machine of this utility model;

[0024] Figure 5 This is a schematic diagram of the right side of the labeling and sealing machine of this utility model;

[0025] Figure 6 This is a schematic diagram of the telescopic labeling head in the labeling and sealing machine of this utility model;

[0026] Figure 7 This is a schematic diagram of the unwinding device in the labeling and sealing machine of this utility model;

[0027] Figure 8 This is a schematic diagram of the label pressing device in the labeling and sealing machine of this utility model;

[0028] Figure 9 This is a schematic diagram of the drive device in the labeling and sealing machine of this utility model;

[0029] Figure 10 This is a schematic diagram of the paper receiving device in the labeling and sealing machine of this utility model;

[0030] Figure 11 This is a cross-sectional view of the paper receiving device in the labeling and sealing machine of this utility model;

[0031] Figure 12 This is a schematic diagram of the overall design of the dual-limit labeling and sealing machine according to Embodiment 2 of this utility model;

[0032] Figure 13 This is a diagram showing the connection between the support roller and the elastic device.

[0033] Attached image labels:

[0034] 1. Chassis; 2. Telescopic labeling head; 21. Trigger photoelectric sensor; 22. Base; 23. Front connecting plate; 24. Telescopic spring; 25. Guide rod; 3. Unwinding device; 31. Unwinding shaft; 32. Unwinding core; 33. Baffle structure; 34. Anti-pinch ring; 4. Peeling device; 5. Drive device; 51. Driver; 52. Driven roller; 53. Driven roller; 54. Fixed seat; 6. Paper take-up device; 61. Take-up bar; 62. Driven rotating shaft; 63. Transmission wheel; 64. Take-up shaft seat; 65. Conveyor belt; 66. Bar body; 661. Push-pull hole; 67. Slider; 671. Elastic metal clip; 672. Countersunk hole; 673. Connecting rod sleeve; 674. Fastening screw; 675. Return spring; 68. Slide groove; 69. Push-pull rod; 7. Guide column; 71. Adjusting ring; 8. Panel; 81. Label outlet; 82. Label support roller; 83. First labeling limit plate; 84. Second labeling limit plate; 85. Fixing strip; 851. Long arc-shaped groove; 86. Spring piece; 9. Label pressing device; 91. Pressure plate; 92. Connecting roller; 93. Fixing plate; 20. Switching power supply; 30. Motor driver; 40. Power switch socket; 50. Operation panel. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0036] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," "third," and "fourth," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0037] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0038] Example 1

[0039] like Figures 1 to 11 The image shows a convenient labeling and sealing machine provided by this utility model, including a main control board, a switching power supply 20, a motor driver 30, a power switch socket 40, and an operation panel 50, all electrically connected. Figure 4 As shown, the switching power supply 20 and the motor driver 30 are both fixed to the bottom inner side of the chassis 1; the power switch socket 40 is fixed to the rear side wall of the chassis 1; the operation screen 50 is obliquely placed on the front side wall of the chassis 1, making it more ergonomic and convenient for users to operate, without requiring users to squat down to look directly at the operation screen 50; it also includes the chassis 1, the telescopic labeling head 2, the unwinding device 3, the peeling device 4, the drive device 5, and the paper take-up device 6. The unwinding device 3, the peeling device 4, the drive device 5, and the paper take-up device 6 are sequentially fixed to the outer side wall of the chassis 1. In this embodiment, as shown... Figures 1 to 5As shown, the unwinding device 3 is located at the lower left corner of the outer wall of the machine housing 1, the peeling device 4 is located at the upper left corner of the outer wall of the machine housing 1, that is, above the unwinding device 3. The top of the peeling plate of the peeling device 4 is tilted to the left. The driving device 5 is located at the upper right corner of the outer wall of the machine housing 1, that is, on the opposite side of the tilted side of the peeling plate in the peeling device 4. The paper taking device 6 is located at the lower right corner of the outer wall of the machine housing 1, that is, below the driving device 5. The unwinding device 3, peeling device 4, driving device 5 and paper taking device 6 are all fixed on the outer wall of the machine housing 1, and the machine housing 1 is placed on the base plate. The top of the machine housing 1 is hinged with a panel 8. The length of the panel 8 and the base plate matches the length of the machine housing 1. The width of the panel 8 and the base plate both exceed the width of the machine housing 1. It is a semi-enclosed design, which makes the structure simpler and saves manufacturing costs.

[0040] Guide posts 7 are provided between the unwinding device 3 and the peeling device 4, between the peeling device 4 and the driving device 5, and between the driving device 5 and the paper taking device 6, so as to guide and position the label roll.

[0041] like Figures 1 to 5 As shown, a panel 8 is hinged to the top of the casing 1. The panel 8 has a label outlet 81 on the part that extends beyond the casing 1. The telescopic labeling head 2 and the peeling device 4 are located above and below the label outlet 81, respectively. A label support roller 82 is provided between the telescopic labeling head 2 and the peeling device 4 at the label outlet 81.

[0042] Specifically, panel 8 is connected to the top of chassis 1 via a damped hinge, so that panel 8 can remain stationary when flipped to any position to reduce the risk of injury from impact.

[0043] Specifically, such as Figure 6 As shown, the telescopic labeling head 2 includes a base 22, a front connecting plate 23, and a guide rod 25 fitted with a telescopic spring 24. The guide rod 25 is movably telescopically arranged between the base 22 and the front connecting plate 23, so that the front connecting plate 23 can retract back and forth in front of the base 22, and the whole set can be quickly replaced, so that the telescopic labeling head 2 can quickly affix labels to packaging boxes of different shapes and sizes.

[0044] Specifically, such as Figure 5 As shown, the label roller 82 is rotatably disposed in the label outlet 81 and located below the front connecting plate 23, and the peeling plate of the peeling device 4 is located in front of the label roller 82.

[0045] Specifically, such as Figure 1 and Figure 6 As shown, the telescopic labeling head 2 is equipped with a trigger photoelectric sensor 21 on the front connecting plate 23 to sense changes in the light beam and transmit photoelectric signals to the main control board;

[0046] During operation, the label roll is sequentially wound onto the unwinding device 3, the peeling device 4, the drive device 5, the take-up device 6, and multiple guide posts 7. Initially, the main control board is powered on, the display screen is activated, and the label length parameters are preset to initiate the peeling program. At this point, the label is not peeled off. The trigger photoelectric sensor 21 transmits a signal indicating that no label or other object has been detected to the main control board. Upon receiving the signal, the main control board immediately activates the drive device 5, causing the label and take-up device 6 to rotate. Under the action of the peeling device 4, one portion of the label roll detaches from the backing paper until it is captured by the beam of the trigger photoelectric sensor 21. The beam change signal is immediately transmitted to the main control board, which continues to activate the drive device 5 according to the preset peeling length, causing the label to rotate. Once the required peeling length is achieved, the drive device 5 continues to rotate. When device 5 stops operating, the portion of the label detached from the backing paper appears in front of the front connecting plate 23 and the label roller 82 at the label outlet 81, ready for labeling. The packaging box pushes the front connecting plate 23 forward, and the label roller 82 rolls synchronously as the packaging box is pushed towards the telescopic labeling head 2. During the rolling process, the label roller 82 supports the label to press it firmly against the bottom of the packaging box, thus completing the labeling. If the packaging box is not removed after labeling, and the photoelectric sensor 21 senses that there is still an object in front, the main control board will not start the drive device 5 to rotate until the labeling action is completed and the packaging box is removed. After this, the main control board completes the single labeling program and will continue to execute the program flow when starting the peeling program. This entire process is one labeling action, and the process of labeling the packaging box is an infinite cycle of labeling actions.

[0047] A label-supporting roller 82 is installed between the telescopic labeling head 2 and the peeling device 4. Due to its cylindrical shape and in conjunction with an elastic device (such as a spring sheet 86, which is typically mounted on the spring sheet or elastic device during installation to apply pressure to the roller and ensure it adheres tightly to the product surface), the label-supporting roller 82 not only supports the label and firmly presses it to the bottom of the packaging box to prevent air bubbles and improve the labeling effect, but also reduces external friction on the label, thus preventing scratches during the labeling process. Furthermore, the trigger photoelectric sensor 21 is directly installed on the front connecting plate 23 of the telescopic labeling head 2. By sensing whether the label blocks the beam emitted by the trigger photoelectric sensor 21, the main control board can control the start and stop of the drive device 5, thereby controlling the start and end of a labeling action. The simple sensing method and structure make operation convenient, improve labeling efficiency, and effectively avoid label waste.

[0048] In addition, such as Figure 1 As shown, the panel 8 has an adjustable first labeling limiting plate 83 on one side in front of the telescopic labeling head 2. Therefore, the position of the first labeling limiting plate 83 in front of the telescopic labeling head 2 can be adjusted according to the size of the packaging box and the required labeling position, so that the label can be accurately placed in the correct position and the labeling accuracy can be improved.

[0049] Furthermore, such as Figure 7 As shown, the unwinding device 3 includes an unwinding shaft 31, an unwinding core 32, and baffle structures 33 located on both sides of the unwinding core 32. The unwinding core 32 is located in the middle of the unwinding shaft 31, and the baffle structures 33 on both sides are detachably fixed to both ends of the unwinding shaft 31. During operation, the adjusting screw on the front baffle structure 33 is loosened to remove the front baffle structure 33. Then, the label roll is placed on the unwinding core 32, the front baffle structure 33 is installed, and finally the adjusting screw is tightened to complete the unwinding action. More preferably, an anti-pinch ring 34 is provided at the connection between the baffle structure 33 and the unwinding shaft 31. The anti-pinch ring 34 can prevent the baffle structure 33 from pinching the label roll, which would prevent the label roll from being pulled, thus avoiding affecting the labeling effect.

[0050] Furthermore, the peeling device 4 is equipped with a pressure mark device 9 on its inclined side, such as... Figure 2 , Figure 3 and Figure 8 As shown, the label pressing device 9 includes a pressure plate 91, a connecting roller 92, and a fixing plate 93. One end of the fixing plate 93 is rotatably and adjustablely fixed to the outer wall of the machine housing 1. The pressure plate 91 is fixedly connected to the connecting roller 92 and fixed to the other end of the fixing plate 93 through the connecting roller 92. The structure is simple. During operation, first loosen the screws and rotate the fixing plate 93 to adjust the pressure plate 91 away from the peeling device 4. When the label roll passes over the top of the peeling plate of the peeling device 4 and is pulled taut, rotate the fixing plate 93 to adjust the pressure plate 91 closer to the peeling plate of the peeling device 4. After adjusting the position, tighten the screws. At this time, the label on the label roll is smoothly separated from the backing paper under the combined action of the pressure plate 91 and the peeling plate of the peeling device 4. By rotating the fixing plate 93, the pressure of the pressure plate 91 on the peeling plate is adjusted, thereby ensuring that the label stands up. This operation is simple and convenient, and can further improve the labeling efficiency.

[0051] Furthermore, such as Figure 9 As shown, the drive device 5 includes a driver 51, a drive roller 52, a driven roller 53, and a fixed base 54. The driver 51 is driven to connect with the drive roller 52. Both the drive roller 52 and the driven roller 53 are movably mounted on the fixed base 54, and the driven roller 53 is adjustablely mounted to one side of the drive roller 52. The drive device 5 has a simple structure. During operation, the screw is first loosened to move the driven roller 53 away from the drive roller 52. Then, the roll paper is wound from the guide post 7 between the peeling device 4 and the drive device 5 to the space between the drive roller 52 and the driven roller 53. After tightening the roll paper, the screw is tightened to make the driven roller 53 closely close to the drive roller 52. When the labeling begins, the driver 51 is activated, which drives the drive roller 52 to rotate. At this time, the roll paper is pulled downwards. The traction of the roll paper is achieved through the cooperation of the drive roller 52 and the driven roller 53. The operation steps are simple and convenient, which can further improve the labeling efficiency.

[0052] Furthermore, such as Figure 2 , Figure 4 , Figure 10 and Figure 11 As shown, the paper receiving device 6 can recycle the bottom paper of the roll. The paper receiving device 6 includes a paper receiving rod 61, a driven rotating shaft 62, a transmission wheel 63, and a paper receiving shaft seat 64. One end of the driven rotating shaft 62 is fixedly connected to the paper receiving rod 61, and the other end of the driven rotating shaft 62 passes through the transmission wheel 63 and is movably connected to the paper receiving shaft seat 64. The transmission wheel 63 is fixed on the driven rotating shaft 62 and is connected to the driver 51 through a conveyor belt 65. When the driver 51 is started, the driver 51 drives the transmission wheel 63 to rotate through the conveyor belt 65. Since the transmission wheel 63 and the driven rotating shaft... 62 is a fixed connection, and the paper take-up bar 61 is fixedly connected to one end of the driven rotating shaft 62. Therefore, the paper take-up bar 61 can be driven to rotate and recycle the bottom paper of the roll, realizing the recycling of the bottom paper of the roll while labeling the packaging box. Moreover, the paper take-up device 6 of this utility model does not have an additional rotating motor, the structure is simple, and it can drive the paper take-up bar 61 to rotate and take paper by simply starting it through the driver 51. The tension of the paper take-up bar 61 can also be controlled by adjusting the tension of the conveyor belt 65 to avoid tearing the bottom paper. The operation is simple and convenient, which can further improve the labeling efficiency.

[0053] Furthermore, such as Figure 10 and Figure 11 As shown, the paper receiving rod 61 includes a rod body 66, a push-pull rod 69, and two sliders 67. The rod body 66 has grooves 68 on both the upper and lower sides. One end of each slider 67 is fixed to the end of the groove 68 near the driven rotating shaft 62, and the other end of each slider 67 is elastically connected to the other end of the groove 68. Elastic metal clips 671 are fixed on the outer side of the two sliders 67. The push-pull rod 69 can slide between the upper and lower grooves 68 to make the sliders 67 protrude out of the grooves 68 or retract into the grooves 68.

[0054] Specifically, each slider 67 has a first arc-shaped groove and a first arc-shaped platform at its bottom. Two sliders 67 are located in two sliding grooves 68, and a push-pull hole 661 is located between the two sliding grooves 68. The push-pull rod 69 can slide between the push-pull hole 661. The upper and lower parts of the push-pull rod 69 are provided with matching second arc-shaped platforms and second arc-shaped grooves at corresponding positions of the first arc-shaped groove and the first arc-shaped platform. One end of each slider 67 is fixed to the end of the sliding groove 68 near the driven rotating shaft 62. Each slider 67 has a countersunk hole 672 at the end away from the driven rotating shaft 62. A connecting rod sleeve 673 is provided in the end of the sliding groove 68 away from the driven rotating shaft 62. The connecting rod sleeve 673 is sleeved on the outside of the push-pull rod 69. A fastening screw 674 and a return spring 675 are provided in the countersunk hole 672. The fastening screw 674 passes through the return spring 675 and is fixedly connected to the connecting rod sleeve 673. The upper part of the return spring 675 abuts against the fastening screw 674. The screw cap of the 4-pin rests against the bottom of the countersunk hole 672; and elastic metal clips 671 are fixed on the outer sides of the two sliders 67; therefore, when the push rod 69 is pulled outward, the second arc-shaped platform abuts against the first arc-shaped platform at the bottom of the slider 67, causing the slider 67 to bulge upward and at least partially outside the slide groove 68, so as to drive the elastic metal clips 671 to expand outward, at which time the winding work can be carried out. When the winding work is completed, the push rod 69 is released, the first arc-shaped platform loses the upward support force of the second arc-shaped platform, and the elastic metal clips 671 retract inward due to their elastic reset action, so as to drive the end of the slider 67 close to the driven rotating shaft 62 to retract into the slide groove 68; and under the elastic reset action of the reset spring 675 in the countersunk hole 672, the reset spring 675 can push the bottom of the countersunk hole 672 downward, so as to push the end of the slider 67 away from the driven rotating shaft 62 to retract into the slide groove 68, thereby quickly removing the bottom paper of the roll.

[0055] Furthermore, such as Figure 3 As shown, the guide post 7 has adjustable rings 71 at both ends. The distance between the adjustable rings 71 at both ends of the multiple guide posts 7 can be adjusted according to the width of the label roll, thereby ensuring that the label roll remains aligned and preventing material misalignment from affecting operations such as sticker application and recycling of backing paper.

[0056] Furthermore, such as Figures 1 to 3As shown, a fixing strip 85 is fixedly connected to the panel 8. The other end of the fixing strip 85 is adjustablely fixed to the rear side wall of the chassis 1. Specifically, one end of the fixing strip 85 is fixed to the panel 8, and the other end of the fixing strip 85 is provided with a long arc-shaped groove 851. The adjusting screw passes through the long arc-shaped groove 851 to lock the other end of the fixing strip 85 to the rear side wall of the chassis 1. When the adjusting screw is loosened, the panel 8 can move the fixing strip 85 up or down so that the long arc-shaped groove 851 slides up or down around the adjusting screw. When the panel 8 is opened up to prepare for loading label rolls or collecting paper, the adjusting screw can be tightened to fix the panel 8 in a certain position above the chassis 1. The structure is simple and the operation is convenient.

[0057] Example 2

[0058] like Figure 12 As shown, the difference between this embodiment and Embodiment 1 is that the panel 8 not only has a first labeling limiting plate 83 adjustable on one side in front of the telescopic labeling head 2, but also a second labeling limiting plate 84 adjustable on the other side in front of the telescopic labeling head 2. The first labeling limiting plate 83 and the second labeling limiting plate 84 are respectively provided on both sides in front of the telescopic labeling head 2, which is suitable for packaging boxes with two positions requiring labeling at the sealing point. Both the first labeling limiting plate 83 and the second labeling limiting plate 84 are adjustable, so the first labeling limiting plate 83 can be adjusted according to the required labeling position on the packaging box. The positions of the first labeling limiting plate 83 and the second labeling limiting plate 84 are adjusted to ensure that the label is accurately affixed to the two correct positions on the sealing of the packaging box. During operation, the positions of the first labeling limiting plate 83 and the second labeling limiting plate 84 are adjusted according to the two required labeling positions on the packaging box. First, the packaging box is brought close to the edge of the first labeling limiting plate 83, and the telescopic labeling head 2 is pushed forward to label the first position. Then, the packaging box is brought close to the edge of the second labeling limiting plate 84, and the telescopic labeling head 2 is pushed forward to label the second position. The operation is simple.

[0059] In summary, in this invention, the unwinding device 3, peeling device 4, driving device 5, and paper receiving device 6 are all fixed on the outer wall of the machine casing 1, forming a semi-enclosed design, which simplifies the structure and saves manufacturing costs. The operation of the label pressing device 9, driving device 5, and paper receiving device 6 is simple and convenient, further improving labeling efficiency. Furthermore, the trigger photoelectric sensor 21 is directly installed on the front connecting plate 23 of the telescopic labeling head 2. The main control board can control the start and stop of the driving device 5 simply by sensing whether the label blocks the light beam emitted by the trigger photoelectric sensor 21. The sensing method and structure are simple, making operation convenient, improving labeling efficiency, and effectively avoiding label waste. In addition, a label support roller 82 is provided between the telescopic labeling head 2 and the peeling device 4. Due to its cylindrical shape and the use of an elastic device (such as a spring 86), the label support roller 82 can not only support the label to firmly press it against the bottom of the packaging box, avoiding air bubbles and improving the labeling effect, but also reduce external friction on the label, thereby preventing the label from being scratched during the labeling process.

[0060] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A portable labeling and sealing machine characterized by comprising: Including the chassis (1), retractable labeling head (2), unwinding device (3), stripping device (4), drive device (5) and paper collecting device (6), the unwinding device (3), stripping device (4), drive device (5) and paper collecting device (6) are sequentially fixed on the outer side wall of the chassis (1), and the guide column (7) is arranged between the unwinding device (3) and the stripping device (4), between the stripping device (4) and the drive device (5), and between the drive device (5) and the paper collecting device (6). The top of the chassis (1) is hinged with a panel (8), the panel (8) is provided with a label outlet (81) on the part exceeding the chassis (1), the retractable labeling head (2) and the stripping device (4) are located above and below the label outlet (81) respectively, and the label outlet (81) is provided with a label supporting roller (82) between the retractable labeling head (2) and the stripping device (4); the retractable labeling head (2) is provided with a trigger electric eye (21) at the front end; the panel (8) is adjustably provided with a first labeling limiting plate (83) on one side in front of the retractable labeling head (2).

2. The portable labelling capper according to claim 1, wherein, The unwinding device (3) comprises an unwinding shaft (31), an unwinding core (32) and a baffle structure (33) located on both sides of the unwinding core (32), the unwinding core (32) is located at the middle position of the unwinding shaft (31), and the baffle structure (33) is detachably fixed at both ends of the unwinding shaft (31); the connection between the baffle structure (33) and the unwinding shaft (31) is provided with an anti-pinch ring (34).

3. The portable labelling capper according to claim 1, wherein, The stripping plate of the stripping device (4) is inclined to one side, the stripping device (4) is provided with a label pressing device (9) on the inclined side, and the drive device (5) is located on the other side of the inclined side of the stripping device (4); the label pressing device (9) comprises a pressing plate (91), a connecting roller (92) and a fixed plate (93), one end of the fixed plate (93) is rotatably adjustably fixed on the outer side wall of the chassis (1), the pressing plate (91) is fixedly connected with the connecting roller (92) and is fixed on the other end of the fixed plate (93) through the connecting roller (92).

4. The portable labelling capper according to claim 3, wherein, The drive device (5) comprises a driver (51), a driving roller (52), a driven roller (53) and a fixed seat (54), the driver (51) is drivingly connected with the driving roller (52), the driving roller (52) and the driven roller (53) are movably arranged on the fixed seat (54), and the driven roller (53) is adjustably arranged beside the driving roller (52).

5. The portable labelling capper according to claim 4, wherein, The paper collecting device (6) comprises a paper collecting rod (61), a driven rotating shaft (62), a transmission wheel (63) and a paper collecting shaft base (64), one end of the driven rotating shaft (62) is fixedly connected with the paper collecting rod (61), the other end of the driven rotating shaft (62) is movably connected on the paper collecting shaft base (64) through the transmission wheel (63), the transmission wheel (63) is fixed on the driven rotating shaft (62) and is connected with the driver (51) through a transmission belt (65).

6. The portable labelling capper according to claim 5, wherein, The paper collecting rod (61) comprises a rod body (66), a push-pull rod (69) and two sliding blocks (67), the upper and lower ends of the rod body (66) are provided with sliding grooves (68), one end of each of the two sliding blocks (67) is fixed on the end of the sliding groove (68) close to the driven rotating shaft (62), and the other end of each of the sliding blocks (67) is elastically connected to the other end of the sliding groove (68); the outer side of each of the sliding blocks (67) is fixedly provided with an elastic metal clamping piece (671); the push-pull rod (69) is slidably arranged between the upper and lower sliding grooves (68) in a push-pull mode so that the sliding blocks (67) protrude out of the sliding grooves (68) or retract into the sliding grooves (68).

7. The portable labelling capper according to claim 1, wherein, The panel (8) is adjustably provided with a second labeling limiting plate (84) on the other side in front of the telescopic labeling head (2).

8. The portable labelling capper according to claim 1, wherein, The two ends of the guide column (7) are adjustably provided with adjusting rings (71).

9. The portable labelling capper according to claim 6, wherein, The panel (8) is fixedly connected with a fixing strip (85), the fixing strip (85) is provided with a long arc-shaped groove (851), and the panel (8) is adjustably fixed at a certain position above the cabinet (1) through the long arc-shaped groove (851).

10. The portable labeling-capping machine according to claim 1, wherein Further comprising a main electric control board, a switching power supply (20), a motor driver (30), a power switch base (40) and an operation screen (50) which are electrically connected, the switching power supply (20) and the motor driver (30) are fixed on the inner bottom of the cabinet (1), the power switch base (40) is fixed on the rear wall of the cabinet (1), and the operation screen (50) is obliquely arranged on the front wall of the cabinet (1).

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