Label cutting device of hot melt adhesive labeling machine

Abstract

The utility model discloses a label cutting device of a hot melt adhesive labeling machine, which relates to the technical field of hot melt adhesive labeling machines and comprises a bottom plate, a cutting frame is fixedly connected to the left side of the top of the bottom plate, a first positioning plate is arranged in the cutting frame, and an electric push rod is fixedly connected to the rear side wall of the cutting frame. According to the label cutting-off device of the hot melt adhesive labeling machine, the first positioning plate is matched with the adjusting rod to adjust the position of the proximity sensor according to the length needing to be cut off, so that the second positioning plate is conveniently positioned subsequently, and then the second positioning plate is matched with the electric pushing rod and the controller to drive the cutter to be matched with the hollow block to cut off a label; and through mutual cooperation of the rubber conveying roller and the servo motor, when different products are labeled, the cutting length of a new label can be rapidly adapted, the overall applicability is improved, meanwhile, the label is conveniently conveyed through cooperation of the rubber conveying roller and the servo motor during cutting, and therefore follow-up operation is facilitated.

Description

A label cutting device for a hot melt adhesive labeling machine Technical Field

[0001] This utility model relates to the technical field of hot melt adhesive labeling machines, specifically a label cutting device for a hot melt adhesive labeling machine. Background Technology

[0002] Hot melt adhesive labeling machines are automated devices used to affix labels with hot melt adhesive to products or packaging. Their working principle involves heating the hot melt adhesive to a molten state, applying it to the back of the label, and then sticking it to the object's surface. The adhesive cools and solidifies to achieve a firm bond. They consist of a hot melt adhesive supply system, a label conveying mechanism, a labeling mechanism, and a control system. Widely used in product packaging in various industries such as food and pharmaceuticals, they offer advantages such as fast labeling speed, high quality, and strong adaptability, improving production efficiency and reducing costs.

[0003] Existing hot melt adhesive labeling machines require different label lengths depending on the product being labeled. However, some existing label cutting devices can only cut one or a few fixed lengths of labels, making it impossible to adjust the label length according to the product being labeled. This results in poor adaptability to different usage scenarios and low overall applicability. Summary of the Invention

[0004] The purpose of this utility model is to provide a label cutting device for a hot melt adhesive labeling machine, so as to solve the problem that the existing label cutting devices in the prior art cannot be adjusted according to the label length required by the current labeling product, thus failing to adapt to different usage situations and resulting in low overall applicability.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a label cutting device for a hot melt adhesive labeling machine, comprising a base plate, a cutting frame fixedly connected to the top left side of the base plate, a first positioning plate provided inside the cutting frame, an electric push rod fixedly connected to the rear side wall of the cutting frame, a second positioning plate fixedly connected to the output end of the electric push rod, a cutter fixedly connected to the front side wall of the second positioning plate, and a hollow block fixedly connected to the top of the base plate;

[0006] A cleaning frame is fixedly connected to the top right side of the base plate, and cleaning sponge blocks are fixedly connected to the front and rear sides of the inner sidewall of the cleaning frame.

[0007] It can quickly adapt to the cutting length of new labels when labeling different products, thereby improving the overall applicability.

[0008] Preferably, the hollow block is located on the front side of the cutter, a labeling turntable is provided on the top left side of the base plate, and the labeling turntable is located on the left side of the hollow block. An adjustment groove is provided on the top of the inner sidewall of the cutting frame. The first positioning plate is slidably connected to the inner wall of the adjustment groove, and the bottom of the first positioning plate extends to the outside of the adjustment groove. An adjustment rod is screwed into the inside of the first positioning plate. The front end of the adjustment rod is rotatably connected to the inner wall of the adjustment groove through a bearing, and the rear end of the adjustment rod extends to the outside of the adjustment groove. A mounting hole is provided on the lower side of the front sidewall of the first positioning plate, and a proximity sensor is fixedly connected to the inner sidewall of the mounting hole.

[0009] The position of the first positioning plate can be easily adjusted, which makes it easier to adjust the cutting length of the label later.

[0010] Preferably, limit rods are fixedly connected to the left and right sides of the rear sidewall of the second positioning plate, the limit rods are slidably connected to the inside of the cutting frame, the rear sidewall of the hollow block is provided with a cut, and a controller is fixedly connected to the top of the cutting frame.

[0011] The second positioning plate is limited by a limit rod to ensure stability during movement, and the label is cut easily by a slit.

[0012] Preferably, a servo motor is fixedly connected to the bottom of the base plate by bolts, and two rubber conveying rollers are provided on the top of the base plate. The rubber conveying rollers are located on the right side of the hollow block. The output shaft of the servo motor is fixedly connected to the front rubber conveying roller, and the rear rubber conveying roller is rotatably connected to the top of the base plate through a bearing. A label roller is rotatably connected to the top of the base plate through a bearing, and the label roller is located on the rear side of the cleaning frame.

[0013] The labels are easily conveyed using rubber conveyor rollers, which facilitates subsequent operations.

[0014] Preferably, the cleaning rack has an alcohol chamber inside, and capillary tubes are fixedly connected to the left and right sides of the cleaning rack. The capillary tubes are respectively connected to the alcohol chamber and the cleaning sponge block.

[0015] Alcohol is delivered to the cleaning sponge block through the alcohol chamber and capillary tube, which facilitates the cleaning of the label surface and improves the subsequent bonding effect.

[0016] Preferably, mounting rods are fixedly connected to the front and rear sides of the left side wall of the cleaning frame, and cleaning plates are fixedly connected to the ends of the mounting rods. Cleaning cloths are fixedly connected to the inner side walls of the cleaning plates on the front and rear sides.

[0017] Further cleaning is carried out using a cleaning board and a soft cleaning cloth, while wiping away the alcohol on the label surface to avoid affecting subsequent adhesion, thereby further improving the cleaning effect.

[0018] Preferably, a traction roller is rotatably connected to the top of the base plate via a bearing, and the traction roller is located on the right side of the cleaning frame.

[0019] The label can be easily pulled by the traction roller.

[0020] Compared with the prior art, the beneficial effects of this utility model are:

[0021] 1. This application uses a first positioning plate and an adjusting rod to adjust the position of the proximity sensor according to the required cutting length, thereby facilitating the subsequent positioning of the second positioning plate. Then, the second positioning plate, in conjunction with an electric push rod and a controller, drives the cutter and hollow block to cut the label. The two work together to quickly adapt to the cutting length of new labels when labeling different products, improving the overall applicability. At the same time, the rubber conveying roller and servo motor facilitate the transport of the label during cutting, thus facilitating subsequent operations.

[0022] 2. This application uses an alcohol chamber and a capillary tube to deliver alcohol to a cleaning sponge block. The cleaning sponge block, in conjunction with the alcohol, cleans the label surface, thereby improving the subsequent bonding effect. Then, a cleaning plate and a cleaning cloth are used for further cleaning, while wiping away the alcohol on the label surface to avoid affecting the subsequent bonding, thus further improving the cleaning effect. Attached Figure Description

[0023] Figure 1 is a three-dimensional schematic diagram of the present invention;

[0024] Figure 2 is a schematic diagram of the right-side cross-sectional structure of the base plate of this utility model;

[0025] Figure 3 is a schematic diagram of the right-side cross-sectional structure of the cutting frame of this utility model;

[0026] Figure 4 is a top sectional view of the hollow block structure of this utility model;

[0027] Figure 5 is a schematic diagram of the right-side cross-sectional structure of the cleaning frame of this utility model;

[0028] Figure 6 is an enlarged schematic diagram of A in Figure 3 of this utility model.

[0029] The diagram shows the following labels: 100, base plate; 200, cutting frame; 210, first positioning plate; 211, electric push rod; 212, second positioning plate; 213, cutter; 214, hollow block; 220, labeling turntable; 221, adjusting groove; 222, adjusting rod; 223, mounting hole; 224, proximity sensor; 230, limit rod; 231, cut; 232, controller; 240, servo motor; 241, rubber conveying roller; 242, label roller; 300, cleaning frame; 310, cleaning sponge block; 320, alcohol chamber; 321, capillary tube; 330, mounting rod; 331, cleaning plate; 332, cleaning cloth; 340, traction roller. Detailed Implementation

[0030] 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.

[0031] Example: As shown in Figures 1-6, this utility model provides a technical solution for a label cutting device for a hot melt adhesive labeling machine, including a base plate 100;

[0032] Please refer carefully to Figures 1, 2, 3, 4, and 6; a cutting frame 200 is fixedly connected to the top left side of the base plate 100. A first positioning plate 210 is provided inside the cutting frame 200. An electric push rod 211 is fixedly connected to the rear side wall of the cutting frame 200. A second positioning plate 212 is fixedly connected to the output end of the electric push rod 211. A cutter 213 is fixedly connected to the front side wall of the second positioning plate 212. A hollow block 214 is fixedly connected to the top of the base plate 100; the hollow block 214 is located in front of the cutter 213. A labeling turntable 220 is provided on the top left side of the base plate 100, and the labeling turntable 220 is located to the left of the hollow block 214. The top of the inner side wall of the cutting frame 200... The first positioning plate 210 is slidably connected to the inner wall of the adjustment groove 221, and the bottom of the first positioning plate 210 extends to the outside of the adjustment groove 221. An adjustment rod 222 is screwed into the inside of the first positioning plate 210. The front end of the adjustment rod 222 is rotatably connected to the inner wall of the adjustment groove 221 through a bearing, and the rear end of the adjustment rod 222 extends to the outside of the adjustment groove 221. A mounting hole 223 is provided on the lower side of the front side wall of the first positioning plate 210. A proximity sensor 224 is fixedly connected to the inner side wall of the mounting hole 223. Limiting rods 230 are fixedly connected to the left and right sides of the rear side wall of the second positioning plate 212. The limiting rods 230 are connected to the cutting frame 200. The hollow block 214 has an internal sliding connection and a slit 231 on its rear side wall. A controller 232 is fixedly connected to the top of the cutting frame 200. A servo motor 240 is fixedly connected to the bottom of the base plate 100 by bolts. Two rubber conveying rollers 241 are provided on the top of the base plate 100, and the rubber conveying rollers 241 are located on the right side of the hollow block 214. The output shaft of the servo motor 240 is fixedly connected to the front rubber conveying roller 241, and the rear rubber conveying roller 241 is rotatably connected to the top of the base plate 100 through a bearing. A label roller 242 is rotatably connected to the top of the base plate 100 through a bearing, and the label roller 242 is located at the rear of the cleaning frame 300. On the other hand, the label cutting device of this hot melt adhesive labeling machine uses a first positioning plate 210 and an adjusting rod 222 to adjust the position of the proximity sensor 224 according to the required cutting length, thereby facilitating the subsequent positioning of the second positioning plate 212. Then, the second positioning plate 212, in conjunction with the electric push rod 211 and the controller 232, drives the cutter 213 and the hollow block 214 to cut the label. The two work together to quickly adapt to the cutting length of the new label when labeling different products, improving the overall applicability. At the same time, the rubber conveying roller 241 and the servo motor 240 facilitate the conveying of the label during cutting, thereby facilitating subsequent operations.

[0033] Please refer to Figures 1-5. A cleaning frame 300 is fixedly connected to the top right side of the base plate 100. Cleaning sponge blocks 310 are fixedly connected to the front and rear sides of the inner sidewall of the cleaning frame 300. An alcohol chamber 320 is opened inside the cleaning frame 300. Capillary tubes 321 are fixedly connected to the left and right sides of the inside of the cleaning frame 300. The capillary tubes 321 are respectively connected to the alcohol chamber 320 and the cleaning sponge blocks 310. Mounting rods 330 are fixedly connected to the front and rear sides of the left sidewall of the cleaning frame 300. A cleaning plate 331 is fixedly connected to the end of the mounting rod 330. The inner sidewall of the front and rear cleaning plates 331 is fixedly connected to... A cleaning cloth 332 is attached, and a traction roller 340 is rotatably connected to the top of the base plate 100 via a bearing. The traction roller 340 is located on the right side of the cleaning frame 300. This hot melt adhesive labeling machine label cutting device delivers alcohol to the cleaning sponge block 310 through the alcohol chamber 320 and the capillary tube 321. The cleaning sponge block 310 and the alcohol are used to clean the label surface, thereby improving the subsequent bonding effect. Then, the cleaning plate 331 and the cleaning cloth 332 are used for further cleaning, and the alcohol on the label surface is wiped off to avoid affecting the subsequent bonding, thereby further improving the cleaning effect.

[0034] In use, the label is installed on the label roller 242. Then, the label passes around the traction roller 340, passing between two cleaning sponge blocks 310 and two cleaning soft cloths 332, then through two rubber conveying rollers 241 and a hollow block 214. After completion, the adjusting rod 222 is rotated, causing the first positioning plate 210 to move within the adjusting groove 221. The first positioning plate 210 is adjusted to the specified position according to the required label cutting length. At this time, the controller 232 simultaneously starts the servo motor 240 and the electric push rod 211. The output shaft of the servo motor 240 rotates, driving the front rubber conveying roller 241 to rotate. Friction propels the label forward at a uniform speed. Simultaneously, the subsequent rubber conveying rollers 241 rotate under the action of the moving label. The two rubber conveying rollers 241 cooperate to smoothly push the label forward. At the same time, the electric push rod 211 drives the first... The second positioning plate 212 moves forward, thereby cooperating with the limiting rod 230 to drive the cutter 213 forward and enter the hollow block 214 through the cut 231 to cut the label. After the cutting is completed, the electric push rod 211 immediately drives the second positioning plate 212 to move backward. When the second positioning plate 212 contacts the first positioning plate 210, the proximity sensor 224 in the mounting hole 223 detects that the second positioning plate 212 has been reset. At this time, the proximity sensor 224 controls the electric push rod 211 through the controller 232 to drive the second positioning plate 212 forward again. Since the label continues to be conveyed at a constant speed under the action of the rubber conveying roller 241 during this period, the second positioning plate 212 drives the cutter 213 forward again to cut the label that has been conveyed to the correct length. The above operation is repeated to connect and cut the label. The cut label is then affixed to the product through the labeling turntable 220.

[0035] During the label conveying process, the alcohol chamber 320 delivers pre-added alcohol through the capillary tube 321 to the cleaning sponge blocks 310 on both sides. After absorbing the alcohol, the cleaning sponge blocks 310 evenly wipe the label surface with alcohol. Due to the characteristics of strong volatility, fast drying and good cleaning effect of alcohol, it can effectively remove oil stains, fingerprints and other stains from the label surface. After completion, the label enters between the cleaning soft cloths 332 on both sides. The cleaning soft cloths 332, in conjunction with the cleaning plate 331, remove stubborn stains from the label surface under the action of alcohol on the label surface, while wiping away the alcohol, thereby further improving the cleaning effect.

[0036] It should be noted that the electric push rod, proximity sensor, and controller mentioned in this application are all existing technologies. In use, the proximity sensor uses the sensing principle through the sensor module. When the second positioning plate approaches, it will cause a change in the magnetic field around the sensor, thereby detecting the cutter reset. Then, the signal processing module converts the signal into a digital signal or standard level signal that the controller can recognize and transmits it to the controller. The controller controls the drive module inside the electric push rod through the controller unit module. The drive module of the electric push rod is driven by a motor. When the cutter cuts the label and reaches its maximum stroke, the motor driver will change the direction of the motor current or control signal to reverse the motor and reset it.

[0037] The labeling turntable mentioned in this application is existing technology. Specifically, after the label is cut, an electrostatic generator is installed to make the labeling turntable static-charged. When the cut label comes close, it will be attracted to its surface due to the static electricity. Then, the drive device drives the labeling turntable to rotate. At the same time, existing technology involves applying glue to the label using an adhesive applicator before the labeling turntable rotates to label the product, so as to facilitate subsequent bonding. This is existing technology, so it will not be described in detail here.

[0038] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A label cutting device for a hot melt adhesive labeling machine, characterized in that: The device includes a base plate (100), a cutting frame (200) fixedly connected to the top left side of the base plate (100), a first positioning plate (210) provided inside the cutting frame (200), an electric push rod (211) fixedly connected to the rear side wall of the cutting frame (200), a second positioning plate (212) fixedly connected to the output end of the electric push rod (211), a cutter (213) fixedly connected to the front side wall of the second positioning plate (212), a hollow block (214) fixedly connected to the top of the base plate (100), a cleaning frame (300) fixedly connected to the top right side of the base plate (100), and cleaning sponge blocks (310) fixedly connected to the front and rear sides of the inner side wall of the cleaning frame (300).

2. The label cutting device for a hot melt adhesive labeling machine according to claim 1, characterized in that: The hollow block (214) is located in front of the cutter (213). A labeling turntable (220) is provided on the top left side of the base plate (100), and the labeling turntable (220) is located to the left of the hollow block (214). An adjustment groove (221) is provided on the top of the inner wall of the cutting frame (200). The first positioning plate (210) is slidably connected to the inner wall of the adjustment groove (221), and the bottom of the first positioning plate (210) extends to the adjustment groove. On the outside of (221), an adjusting rod (222) is screwed into the inside of the first positioning plate (210). The front end of the adjusting rod (222) is rotatably connected to the inner wall of the adjusting groove (221) through a bearing, and the rear end of the adjusting rod (222) extends to the outside of the adjusting groove (221). A mounting hole (223) is provided on the lower side of the front sidewall of the first positioning plate (210), and a proximity sensor (224) is fixedly connected to the inner sidewall of the mounting hole (223).

3. The label cutting device for a hot melt adhesive labeling machine according to claim 1, characterized in that: Limiting rods (230) are fixedly connected to the left and right sides of the rear side wall of the second positioning plate (212). The limiting rods (230) are slidably connected to the inside of the cutting frame (200). A cut (231) is opened on the rear side wall of the hollow block (214). A controller (232) is fixedly connected to the top of the cutting frame (200).

4. The label cutting device for a hot melt adhesive labeling machine according to claim 1, characterized in that: A servo motor (240) is fixedly connected to the bottom of the base plate (100) by bolts. A rubber conveying roller (241) is provided on the top of the base plate (100). There are two rubber conveying rollers (241), and the rubber conveying rollers (241) are located on the right side of the hollow block (214). The output shaft of the servo motor (240) is fixedly connected to the front rubber conveying roller (241). The rear rubber conveying roller (241) is rotatably connected to the top of the base plate (100) through a bearing. A label roller (242) is rotatably connected to the top of the base plate (100) through a bearing, and the label roller (242) is located on the rear side of the cleaning frame (300).

5. The label cutting device for a hot melt adhesive labeling machine according to claim 1, characterized in that: The cleaning rack (300) has an alcohol chamber (320) inside. Capillary tubes (321) are fixedly connected to the left and right sides inside the cleaning rack (300). The capillary tubes (321) are connected to the alcohol chamber (320) and the cleaning sponge block (310) respectively.

6. The label cutting device for a hot melt adhesive labeling machine according to claim 1, characterized in that: The cleaning rack (300) has mounting rods (330) fixedly connected to the front and rear sides of its left side wall. The end of the mounting rod (330) is fixedly connected to a cleaning plate (331). The inner sidewall of the cleaning plate (331) on the front and rear sides is fixedly connected to a cleaning cloth (332).

7. The label cutting device for a hot melt adhesive labeling machine according to claim 1, characterized in that: A traction roller (340) is rotatably connected to the top of the base plate (100) via a bearing, the traction roller (340) being located on the right side of the cleaning frame (300).

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