A labeling device for carton production
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SICHUAN YIYUAN BORUI TECHNOLOGY CO LTD
- Filing Date
- 2025-09-23
- Publication Date
- 2026-08-07
AI Technical Summary
[0005]为了弥补以上不足,本实用新型提供了一种纸箱生产用贴标装置,旨在改善现有技术中,磁吸部件存在缝隙积污的问题,生产过程中的碎屑会堆积在连接处,加速部件磨损,还会影响设备的定位精度,增加设备维护成本与停机检修时间的问题
[0023] 1. In this utility model, the fixed base horizontally fixes the telescopic rod to the workbench, providing stable support. The telescopic function of the telescopic rod drives the positioning mold to contact the carton. The position of the carton is determined based on the extension length, achieving accurate positioning. After the sealing cap is rotated and fixed to the sealing base, it can effectively seal the gap between the positioning mold and the locking seat, preventing dust from entering and affecting the fit of the parts, avoiding wear between the parts, ensuring the positioning accuracy of the equipment, and reducing equipment maintenance costs and downtime for repair.
Smart Images

Figure CN224603433U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cardboard box production technology, and in particular to a labeling device for cardboard box production. Background Technology
[0002] Cardboard boxes are paper packaging containers made from pulp. They are made from corrugated paper and are lightweight, pressure-resistant, easy to fold, and recyclable. They are used in the fields of commodity transportation, warehousing, and packaging. Through different structural designs, they can adapt to the packaging needs of various items and are a packaging form for modern logistics and commerce.
[0003] Labeling devices for carton production can automate labeling, improve efficiency, avoid the problems of slow speed and fatigue associated with manual labeling, ensure accurate and flat labeling positions, reduce deviations, improve product appearance consistency, reduce labor costs, adapt to the rhythm of assembly line production, meet the needs of large-scale and standardized production, and play an important role in product traceability and brand identification.
[0004] In the labeling process of carton production, most labeling devices are limited by carton specifications, with strict requirements on the size and shape of the cartons. Frequent changes in carton specifications necessitate frequent adjustments to equipment parameters, consuming a significant amount of time. Improper adjustments can lead to labeling deviations, affecting production efficiency and labeling quality. In existing technologies, quick-change components are used, with positioning baffles designed as magnetic and snap-on structures, eliminating the need for tool disassembly and effectively improving the efficiency of frequent adjustments. However, in actual use, magnetic components suffer from the problem of dirt accumulation in gaps. Debris from the production process accumulates at the joints, accelerating component wear and affecting the positioning accuracy of the equipment, increasing equipment maintenance costs and downtime for repairs. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides a labeling device for carton production, which aims to improve the problem of dirt accumulation in the gaps of magnetic components in the prior art. During the production process, debris will accumulate at the connection, accelerating component wear, affecting the positioning accuracy of the equipment, and increasing equipment maintenance costs and downtime for repair.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: a labeling device for carton production, comprising a workbench, a support fixedly connected to the top of the workbench, a feeding mechanism provided at the rear left end of the inner side of the support, a winding mechanism provided at the rear inner side of the support, a posture correction mechanism provided at the top right side of the workbench for adjusting the orientation of the carton, positioning mechanisms provided at the front and rear sides of the top of the workbench for positioning and adjusting the specific position of the carton, pressing mechanisms provided at the front and rear ends of the inner top of the support, and conveying mechanisms provided at the left and right sides of the top of the workbench.
[0007] The positioning mechanism includes two fixed seats, the bottoms of which are fixedly connected to the front and rear sides of the top of the workbench, respectively. A telescopic rod is fixedly connected between adjacent fixed seats, a locking seat is fixedly connected between adjacent telescopic rods, a positioning mold is provided between adjacent locking seats, a sealing seat is fixedly connected to the opposite side of the two positioning molds, a sealing cap is threaded to the opposite side of the two sealing seats, and a magnetic suction component is provided on the opposite side of the two positioning molds.
[0008] As a further description of the above technical solution:
[0009] The attitude correction mechanism includes two servo motors. The tops of the two servo motors are fixedly connected to the front and rear ends of the inner top of the worktable, respectively. A transmission rod is fixedly connected to the top of each of the two servo motors. A stop bar is fixedly connected to the top of each of the two transmission rods. A locking bolt is threadedly connected to the top of each of the two stop bars.
[0010] As a further description of the above technical solution:
[0011] The magnetic suction assembly includes two magnetic pins, which are fixedly connected to each other on opposite sides of the two positioning molds. Magnets are fixedly connected to the inner sides of the two locking seats.
[0012] As a further description of the above technical solution:
[0013] The feeding mechanism includes a slide bar, the rear side of which is rotatably connected to the inner rear side of the bracket, and a label roll is rotatably connected to the outer wall of the slide bar.
[0014] As a further description of the above technical solution:
[0015] The winding mechanism includes a rotating shaft, the rear side of which is rotatably connected to the rear side of the support, and a drive motor is fixedly connected to the rear side of the support.
[0016] As a further description of the above technical solution:
[0017] The pressing mechanism includes two hydraulic rods. The tops of the two hydraulic rods are fixedly connected to the front and rear ends of the top inner side of the bracket, respectively. The bottoms of the two hydraulic rods are fixedly connected to support seats. The two support seats are rotatably connected to each other.
[0018] As a further description of the above technical solution:
[0019] The conveying mechanism includes multiple rotating seats, the bottoms of which are fixedly connected to the top left and right sides of the worktable, and a conveyor belt is rotatably connected between adjacent rotating seats. A drive assembly is provided on the front side of each of the two front rotating seats.
[0020] As a further description of the above technical solution:
[0021] The drive assembly includes two drive rods, the rear sides of which are rotatably connected to the front sides of two front rotating seats, and a servo motor is fixedly connected to the front side of each drive rod.
[0022] This utility model has the following beneficial effects:
[0023] 1. In this utility model, the fixed base horizontally fixes the telescopic rod to the workbench, providing stable support. The telescopic function of the telescopic rod drives the positioning mold to contact the carton. The position of the carton is determined based on the extension length, achieving accurate positioning. After the sealing cap is rotated and fixed to the sealing base, it can effectively seal the gap between the positioning mold and the locking seat, preventing dust from entering and affecting the fit of the parts, avoiding wear between the parts, ensuring the positioning accuracy of the equipment, and reducing equipment maintenance costs and downtime for repair.
[0024] 2. In this utility model, the servo motor provides power for the rotation of the transmission rod, ensuring stable power output. The transmission rod connects the servo motor and the stop bar, transmitting the rotational power of the servo motor to the stop bar. The stop bar rotates under the drive of the transmission rod, pressing against the carton, thereby adjusting the orientation of the carton to achieve a suitable labeling posture. The locking bolt fixes the stop bar to the top of the transmission rod, preventing the stop bar from loosening or shifting due to vibration, ensuring the stability of the carton after orientation adjustment, and thus ensuring the accuracy of the labeling position. Attached Figure Description
[0025] Figure 1 This is a perspective view of a labeling device for cardboard box production proposed in this utility model;
[0026] Figure 2 This is an exploded view of the drive component in a labeling device for carton production according to the present invention.
[0027] Figure 3 This is an exploded view of the positioning mechanism in a labeling device for carton production according to the present invention.
[0028] Figure 4 This is a schematic diagram of the pressing mechanism in a labeling device for carton production according to this utility model;
[0029] Figure 5 This is an exploded view of the posture correction mechanism in a labeling device for carton production proposed in this utility model.
[0030] Legend:
[0031] 1. Workbench; 2. Support; 3. Positioning mechanism; 301. Fixed seat; 302. Telescopic rod; 303. Lock seat; 304. Positioning mold; 305. Sealing seat; 306. Sealing cap; 307. Magnetic suction assembly; 3071. Magnetic pin; 3072. Magnet; 4. Attitude correction mechanism; 401. Servo motor; 402. Transmission rod; 403. Stop bar; 404. Locking bolt; 5. Feeding mechanism; 501. Slide rod; 502. Label roll; 6. Rolling mechanism; 601. Rotating shaft; 602. Drive motor; 7. Pressing mechanism; 701. Hydraulic rod; 702. Support seat; 703. Extrusion roller; 8. Conveying mechanism; 801. Rotary seat; 802. Conveyor belt; 803. Drive assembly; 8031. Drive rod; 8032. Servo motor. Detailed Implementation
[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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.
[0033] Reference Figure 1 , Figure 3 and Figure 4 This utility model provides an embodiment of a labeling device for carton production, including a workbench 1 that supports the entire device. A support 2 is fixedly connected to the top of the workbench 1. A feeding mechanism 5 is provided on the rear left side of the inside of the support 2. The feeding mechanism 5 is used to provide labels. A winding mechanism 6 is provided on the rear side of the inside of the support 2. The winding mechanism 6 is used to drive the label supply. A posture correction mechanism 4 is provided on the top right side of the workbench 1. The posture correction mechanism 4 is used to adjust the orientation of the carton. A positioning mechanism 3 is provided on both the front and rear sides of the top of the workbench 1. The positioning mechanism 3 is used to position and adjust the specific position of the carton. A pressing mechanism 7 is provided on both the front and rear ends of the top of the inside of the support 2. The pressing mechanism 7 is used to press the label onto the surface of the carton. A conveying mechanism 8 is provided on both the left and right sides of the top of the workbench 1. The conveying mechanism 8 is used to convey the carton.
[0034] The positioning mechanism 3 includes two fixed seats 301. The fixed seats 301 horizontally fix the telescopic rods 302 to the front and rear sides of the top of the worktable 1. The bottoms of the two fixed seats 301 are respectively fixedly connected to the front and rear sides of the top of the worktable 1. The telescopic rods 302 are fixedly connected between adjacent fixed seats 301. The telescopic rods 302 can extend and retract. Lock seats 303 are fixedly connected between adjacent telescopic rods 302. Positioning molds 304 are provided between adjacent lock seats 303. The positioning molds 304 are fixed to the locks. The base 303 and the telescopic rod 302 drive the positioning mold 304 to contact the carton. After the positioning mold 304 contacts the carton, the position of the carton is determined according to the length of the extension. The two positioning molds 304 are fixedly connected to the opposite sides of each other with sealing seats 305. There is a magnetic pin 3071 inside the sealing seat 305. The two sealing seats 305 are threadedly connected to the opposite sides of each other with sealing caps 306. After the sealing caps 306 and the sealing seats 305 are rotated and fixed, the gap between the positioning mold 304 and the locking base 303 is sealed.
[0035] A magnetic attraction component 307 is provided on the opposite side of each of the two positioning molds 304. The magnetic attraction component 307 includes two magnetic pins 3071. The magnetic pins 3071 can be inserted into the pin holes of the lock seat 303. The two magnetic pins 3071 are fixedly connected to each other on the opposite side of the two positioning molds 304. A magnet 3072 is fixedly connected to the inner side of each of the two lock seats 303. The magnet 3072 is attracted and locked when the magnetic pins 3071 are inserted.
[0036] Specifically, the workbench 1 supports the entire device and provides the installation foundation. A bracket 2 is fixedly connected to the top of the workbench 1 to support various functional mechanisms. A feeding mechanism 5 is set at the rear left end of the inside of the bracket 2. The feeding mechanism 5 is used to provide labels and ensure a continuous supply of labels. A winding mechanism 6 is set at the rear inside of the bracket 2. The winding mechanism 6 is used to drive the label supply and realize the automatic delivery of labels. A posture correction mechanism 4 is set at the top right of the workbench 1. The posture correction mechanism 4 is used to adjust the orientation of the carton to ensure accurate labeling position. Positioning mechanisms 3 are set at the front and rear sides of the top of the workbench 1. The positioning mechanisms 3 are used to position and adjust the specific position of the carton to ensure that the carton is in the position required for labeling. Pressing mechanisms 7 are set at the front and rear ends of the top inside of the bracket 2. The pressing mechanisms 7 are used to press the labels firmly onto the surface of the carton to make the labels adhere firmly. Conveying mechanisms 8 are set at the left and right sides of the top of the workbench 1. The conveying mechanisms 8 are used to convey the carton and realize the continuous movement of the carton.
[0037] The positioning mechanism 3 includes two fixed seats 301. The fixed seats 301 horizontally fix the telescopic rod 302 to the front and rear sides of the top of the workbench 1, achieving stable installation of the telescopic rod 302. The bottoms of the two fixed seats 301 are respectively fixedly connected to the front and rear sides of the top of the workbench 1. The telescopic rod 302 is fixedly connected between adjacent fixed seats 301. The telescopic rod 302 can extend and retract to adjust the position of the positioning mold 304. Locking seats 303 are fixedly connected between adjacent telescopic rods 302 for installing the positioning mold 304. The positioning mold 304 is set between adjacent locking seats 303 to position the positioning mold 304. The mold 304 is fixed to the lock seat 303. The telescopic rod 302 drives the positioning mold 304 to contact the carton. After the positioning mold 304 contacts the carton, the position of the carton is determined according to the length of the extension, so as to achieve precise positioning of the carton. The two positioning molds 304 are fixedly connected to the opposite sides of the two positioning molds 304. The sealing seat 305 has a magnetic pin 3071 inside. The two sealing seats 305 are threadedly connected to the opposite sides of the two sealing seats 305. After the sealing cap 306 is rotated and fixed to the sealing seat 305, the gap between the positioning mold 304 and the lock seat 303 is sealed to prevent dust from entering and affecting the fit of the parts.
[0038] A magnetic attraction component 307 is provided on the opposite side of each of the two positioning molds 304. The magnetic attraction component 307 includes two magnetic pins 3071, which can be inserted into the pin holes of the lock seat 303. The two magnetic pins 3071 are fixedly connected to each other on the opposite side of the two positioning molds 304. A magnet 3072 is fixedly connected to the inner side of each of the two lock seats 303. The magnet 3072 is attracted and locked when the magnetic pins 3071 are inserted, ensuring a stable connection between the positioning molds 304 and the lock seats 303.
[0039] Reference Figure 1 , Figure 2 and Figure 5 The attitude correction mechanism 4 includes two servo motors 401. The servo motors 401 control the rotation of the transmission rods 402. The tops of the two servo motors 401 are fixedly connected to the front and rear ends of the inner top of the workbench 1, respectively. The tops of the two servo motors 401 are fixedly connected to the transmission rods 402. When the transmission rods 402 rotate, they drive the top stop bars 403. The tops of the two transmission rods 402 are fixedly connected to the stop bars 403. The stop bars 403 rotate and abut against the carton to realize the orientation adjustment of the carton. The tops of the two stop bars 403 are threaded with locking bolts 404, which fix the stop bars 403 to the top of the transmission rods 402.
[0040] Specifically, the servo motor 401 controls the rotation of the transmission rod 402, providing power for the rotation of the transmission rod 402. The tops of the two servo motors 401 are fixedly connected to the front and rear ends of the inner top of the workbench 1, respectively, to achieve a stable installation of the servo motors 401 and the workbench 1. The tops of the two servo motors 401 are fixedly connected to the transmission rod 402. When the transmission rod 402 rotates, it drives the top stop bar 403 to achieve power transmission. The tops of the two transmission rods 402 are fixedly connected to the stop bar 403. The stop bar 403 rotates and abuts against the carton to achieve the orientation adjustment of the carton and ensure that the carton is in the appropriate labeling posture. The tops of the two stop bars 403 are threaded with locking bolts 404. The locking bolts 404 fix the stop bar 403 to the top of the transmission rod 402 to prevent the stop bar 403 from loosening or shifting during operation.
[0041] Reference Figure 1 and Figure 4 The feeding mechanism 5 includes a slide rod 501, with a label roll 502 fitted onto its outer wall. The rear side of the slide rod 501 is rotatably connected to the inner rear side of the bracket 2. The label roll 502, which is a roll of label material, is rotatably connected to the outer wall of the slide rod 501. After being pulled out through the bottom of the extrusion roller 703, it is fixed to the outer wall of the rotating shaft 601. The winding mechanism 6 includes a rotating shaft 601, which is driven by a drive motor 602 to wind and adhere the finished roll of material. The rear side of the rotating shaft 601 is rotatably connected to the inner rear side of the bracket 2. A drive motor 602 is fixedly connected to the rear side of the bracket 2. The pressing mechanism 7 includes two hydraulic rods 701. The hydraulic rods 701 can extend downward. The tops of the two hydraulic rods 701 are fixedly connected to the front and rear ends of the inner top of the bracket 2, respectively. The bottoms of the two hydraulic rods 701 are fixedly connected to support seats 702. The support seats 702 fix the extrusion rollers 703. The extrusion rollers 703 are rotatably connected between adjacent support seats 702. When the extrusion rollers 703 are downward, they extrude the roll of label and the carton, and stick the label to the carton.
[0042] Specifically, a label roll 502 is fitted onto the outer wall of the slide rod 501, providing support and installation position for the label roll 502. The rear side of the slide rod 501 is rotatably connected to the inner rear side of the bracket 2, realizing the rotatable connection between the slide rod 501 and the bracket 2, facilitating the rotation and feeding of the label roll 502. The label roll 502 is rotatably connected to the outer wall of the slide rod 501. The label roll 502 is the roll material of the label. After being pulled out through the bottom of the extrusion roller 703, it is fixed to the outer wall of the rotating shaft 601, realizing the continuous supply of labels. The rolling mechanism 6 includes a rotating shaft 601, which is driven by a drive motor 602 to roll up the pasted roll material, realizing the recycling of the used label roll material. The rear side of the rotating shaft 601 is rotatably connected to the inner rear side of the bracket 2, realizing the rotatable connection between the rotating shaft 601 and the bracket 2. The drive motor 602 is fixedly connected to the rear side of the bracket 2 to provide rotational power for the rotating shaft 601.
[0043] Hydraulic rods 701 can extend downwards to provide downward pressure for the extrusion rollers 703. The tops of the two hydraulic rods 701 are fixedly connected to the front and rear ends of the inner top of the bracket 2, respectively, to achieve a fixed connection between the hydraulic rods 701 and the bracket 2. Support seats 702 are fixedly connected to the bottoms of the two hydraulic rods 701. The support seats 702 fix the extrusion rollers 703, achieving stable installation of the extrusion rollers 703. Extrusion rollers 703 are rotatably connected between adjacent support seats 702. When the extrusion rollers 703 move downwards, they extrude the roll of label and the carton, adhering the label to the carton and ensuring that the label is firmly pasted on the surface of the carton.
[0044] Reference Figure 1 and Figure 2 The conveying mechanism 8 includes multiple rotating seats 801, which fix the conveyor belt 802 to the top of the workbench 1. The bottoms of the multiple rotating seats 801 are respectively fixedly connected to the left and right sides of the top of the workbench 1. The conveyor belt 802 is rotatably connected between adjacent rotating seats 801. The conveyor belt 802 drives the carton to move forward. The front side of each of the two front rotating seats 801 is provided with a drive assembly 803. The drive assembly 803 includes two drive rods 8031. The rear side of the two drive rods 8031 is rotatably connected to the front side of the two front rotating seats 801. The front side of each of the two drive rods 8031 is fixedly connected with a servo motor 8032. The servo motor 8032 controls the operation and stop of the conveyor belt 802.
[0045] Specifically, the rotary table 801 fixes the conveyor belt 802 to the top of the workbench 1, providing installation support for the conveyor belt 802. The bottoms of multiple rotary tables 801 are respectively fixedly connected to the top left and right sides of the workbench 1, realizing a stable connection between the rotary tables 801 and the workbench 1. The conveyor belt 802 is rotatably connected between adjacent rotary tables 801. The conveyor belt 802 drives the carton to move forward, realizing continuous conveying of the carton. The front side of each of the two front rotary tables 801 is provided with a drive assembly 803. The drive assembly 803 includes two drive rods 8031. The rear side of the two drive rods 8031 is rotatably connected to the front side of the two front rotary tables 801, realizing the power transmission to the rotary table 801. The front side of each of the two drive rods 8031 is fixedly connected with a servo motor 8032. The servo motor 8032 controls the operation and stop of the conveyor belt 802 to ensure that the carton conveying rhythm matches the labeling process.
[0046] Working principle: The servo motor 8032 of the conveying mechanism 8 drives the drive rod 8031 to rotate the turntable 801, which in turn causes the conveyor belt 802 to run and transport the carton to the top of the workbench 1. When the carton reaches the designated position, the telescopic rod 302 of the positioning mechanism 3 extends, causing the positioning mold 304 to contact the carton. The position of the carton is determined according to the extension length of the telescopic rod 302. The magnetic pin 3071 is inserted into the pin hole of the lock seat 303, and the magnet 3072 attracts and locks the positioning mold 304. At the same time, the sealing cap 306 and the sealing seat 305 are rotated and fixed to seal the gap between the positioning mold 304 and the lock seat 303.
[0047] The servo motor 401 of the attitude correction mechanism 4 controls the transmission rod 402 to rotate, which drives the stop bar 403 to rotate and abut against the carton, adjusting the orientation of the carton so that the carton is in a suitable attitude for labeling. Then, the stop bar 403 is fixed by the locking bolt 404. The label roll 502 of the feeding mechanism 5 is sleeved on the slide bar 501. After the label is pulled out, it passes through the bottom of the extrusion roller 703 of the pressing mechanism 7 and is fixed to the outer wall of the rotating shaft 601 of the roll mechanism 6.
[0048] The hydraulic rod 701 of the pressing mechanism 7 extends downward, driving the support seat 702 and the extrusion roller 703 to press down, pressing the label roll onto the surface of the carton, so that the label is adhered. The drive motor 602 of the roll mechanism 6 drives the rotating shaft 601 to rotate, and rolls up and recycles the finished adhesive roll. At the same time, the conveying mechanism 8 continues to operate, sending out the labeled carton, realizing automated labeling of the carton.
[0049] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. 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 labeling device for carton production, comprising a workbench (1), characterized in that: The top of the workbench (1) is fixedly connected to a support (2). A feeding mechanism (5) is provided on the left rear side of the inside of the support (2). A winding mechanism (6) is provided on the rear side of the inside of the support (2). A posture correction mechanism (4) is provided on the right side of the top of the workbench (1). The posture correction mechanism (4) is used to adjust the orientation of the carton. A positioning mechanism (3) is provided on both the front and rear sides of the top of the workbench (1). The positioning mechanism (3) is used to position and adjust the specific position of the carton. A pressing mechanism (7) is provided on both the front and rear ends of the top of the inner side of the support (2). A conveying mechanism (8) is provided on both the left and right sides of the top of the workbench (1). The positioning mechanism (3) includes two fixed seats (301). The bottoms of the two fixed seats (301) are fixedly connected to the front and rear sides of the top of the workbench (1), respectively. Telescopic rods (302) are fixedly connected between adjacent fixed seats (301). Locking seats (303) are fixedly connected between adjacent telescopic rods (302). Positioning molds (304) are provided between adjacent locking seats (303). Sealing seats (305) are fixedly connected to the opposite sides of the two positioning molds (304). Sealing caps (306) are threadedly connected to the opposite sides of the two sealing seats (305). Magnetic suction components (307) are provided on the opposite sides of the two positioning molds (304).
2. The labeling device for carton production according to claim 1, characterized in that: The attitude correction mechanism (4) includes two servo motors (401). The tops of the two servo motors (401) are respectively fixedly connected to the front and rear ends of the inner top of the workbench (1). The tops of the two servo motors (401) are fixedly connected to transmission rods (402). The tops of the two transmission rods (402) are fixedly connected to stop bars (403). The tops of the two stop bars (403) are threadedly connected to locking bolts (404).
3. The labeling device for carton production according to claim 1, characterized in that: The magnetic suction assembly (307) includes two magnetic pins (3071), which are fixedly connected to each other on opposite sides of the two positioning molds (304), and magnets (3072) are fixedly connected to the inner sides of the two lock seats (303).
4. A labeling device for carton production according to claim 1, characterized in that: The feeding mechanism (5) includes a slide bar (501), the rear side of which is rotatably connected to the inner rear side of the bracket (2), and a label roll (502) is rotatably connected to the outer wall of the slide bar (501).
5. A labeling device for carton production according to claim 1, characterized in that: The winding mechanism (6) includes a rotating shaft (601), the rear side of which is rotatably connected to the rear side of the bracket (2), and a drive motor (602) is fixedly connected to the rear side of the bracket (2).
6. A labeling device for carton production according to claim 1, characterized in that: The pressing mechanism (7) includes two hydraulic rods (701). The tops of the two hydraulic rods (701) are fixedly connected to the front and rear ends of the inner top of the bracket (2). The bottoms of the two hydraulic rods (701) are fixedly connected to support seats (702). The two support seats (702) are rotatably connected to each other. Extrusion rollers (703) are connected to each other.
7. A labeling device for carton production according to claim 1, characterized in that: The conveying mechanism (8) includes multiple rotary seats (801), the bottoms of which are fixedly connected to the top left and right sides of the workbench (1), and a conveyor belt (802) is rotatably connected between adjacent rotary seats (801). A drive assembly (803) is provided on the front side of each of the two front rotary seats (801).
8. A labeling device for carton production according to claim 7, characterized in that: The drive assembly (803) includes two drive rods (8031), the rear sides of the two drive rods (8031) are respectively rotatably connected to the front sides of two front rotating seats (801), and a servo motor (8032) is fixedly connected to the front side of each of the two drive rods (8031).