Adhesive sticker coating device

Abstract

The utility model provides a coating device of an adhesive sticker. Belongs to the packaging field. According to the technical key points, the device comprises a conveying mechanism, the conveying mechanism comprises a base, a portal frame is fixedly connected to the top of the base, a glue spreading roller is rotationally connected into the portal frame, moving openings are formed in the two sides of the portal frame, and moving plates are slidably connected into the two moving openings; a pressing roller is rotationally connected between the two sets of moving plates, worm wheels are fixedly connected to one side of the pressing roller and one side of the glue spreading roller, symmetrically-arranged worms are connected to one sides of the two sets of worm wheels in a meshed mode, and the two sets of worms are rotationally connected with the portal frame and the moving plates correspondingly; a hexagonal shaft penetrates through the interiors of the two sets of worms in a sliding manner; the utility model aims to provide a non-setting adhesive coating device. The adhesive sticker coating device is used for improving the adhesive sticker coating effect.

Description

Technical Field

[0001] This utility model relates to the field of packaging, specifically to a self-adhesive coating device. Background Technology

[0002] Self-adhesive labels, also known as pressure-sensitive labels, are composite materials made of paper, film, or special materials as the face stock, coated with adhesive on the back, and with silicone-coated release paper as the backing paper. They are widely used in product packaging, serving as sealing labels to secure the packaging.

[0003] Current self-adhesive coating apparatuses, as described in patent CN215612746U, include a frame with a glue roller and a pressure roller arranged opposite and parallel to each other. The pressure roller is located at the lower end of the glue roller. A glue box is arranged on the side of the glue roller away from the pressure roller. Part of the glue roller body is located inside the glue box. A moving component is arranged at the end of the glue box away from the glue roller. The moving component is used to drive the glue box to move towards or away from the glue roller so that the glue box is separated from the glue roller. The moving component includes a horizontally arranged mounting base. The glue box is detachably mounted on the mounting base. A vertically arranged telescopic rod is arranged at the end of the mounting base away from the glue box.

[0004] Regarding the aforementioned related technologies, the inventors believe that arranging a doctor blade to act on the glue roller can ensure that the glue is evenly distributed on the glue roller. However, when the glue roller rotates, glue also adheres to both sides of it. During the rotation of the glue roller, this glue is thrown to the edge of the pressure roller under the action of centrifugal force. Subsequently, as the pressure roller rotates, this glue easily flows to the top of the label paper, resulting in poor coating effect of the entire coating device for self-adhesive labels. Utility Model Content

[0005] The purpose of this invention is to provide a self-adhesive coating device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A self-adhesive coating apparatus, comprising

[0008] A conveying mechanism includes a base, a gantry frame fixedly connected to the top of the base, a glue-applying roller rotatably connected inside the gantry frame, movable openings on both sides of the gantry frame, movable plates slidably connected inside each of the two movable openings, a pressure roller rotatably connected between the two movable plates, a worm gear fixedly connected to one side of each of the pressure roller and the glue-applying roller, symmetrically arranged worms meshing with one side of each of the two worm gears, the two worms rotatably connected to the gantry frame and the movable plates respectively, a hexagonal shaft slidably passing through the interior of each of the two worms, and a drive motor fixedly connected to the top of the gantry frame, the output end of the drive motor being fixedly connected to the hexagonal shaft.

[0009] The glue-applying mechanism includes a connecting beam detachably connected to one side of the gantry frame, a scraper fixedly connected to the side of the connecting beam near the glue-applying roller, a glue storage tank fixedly connected to the gantry frame below the glue-applying roller, a bidirectional screw rotatably connected to one side of the gantry frame, and movable seats symmetrically threaded to the outer side of the bidirectional screw. Fixed rods are detachably connected to one side of each of the two sets of movable seats, and scrapers corresponding to the two sides of the glue-applying roller are fixedly connected to the opposite sides of each of the two sets of fixed rods.

[0010] As a further embodiment of this utility model: hydraulic rods are fixedly connected to both sides of the gantry frame, and the output end of the hydraulic rods is fixedly connected to the moving plate.

[0011] As a further embodiment of this utility model: guide rods slide through the interior of both sets of movable plates, and each set of guide rods is fixedly connected to the gantry frame.

[0012] As a further embodiment of this utility model: the gantry frame is symmetrically provided with grooves on one side, the connecting beam extends into the interior of the grooves, and both sets of the grooves are provided with fixing screws that are threadedly connected to the gantry frame, and both sets of fixing screws are rotatably connected to the connecting beam.

[0013] As a further embodiment of this utility model: guide rods slide through the interior of the two sets of movable seats, and the guide rods are fixedly connected to the gantry frame.

[0014] As a further embodiment of this utility model: the internal thread of the fixing rod is connected to a fixing bolt, and the fixing bolt is threadedly connected to the movable seat.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] With the above-described structure, this invention utilizes the interplay of a bidirectional screw, a movable seat, a fixed rod, and a scraper plate. When the bidirectional screw rotates, it drives the movable seats and scrapers on both sides to move relative to each other. This allows the scrapers to be adjusted to contact both sides of the coating roller, enabling them to scrape off the adhesive residue from both sides of the roller during rotation. This effectively reduces the likelihood of the adhesive residue being flung to the edge of the pressure roller by centrifugal force, increasing the probability of the adhesive residue reaching the top surface of the label paper and thus improving the coating effect. Attached Figure Description

[0017] The present invention will be further described in detail below with reference to the embodiments shown in the accompanying drawings, but this does not constitute any limitation on the present invention.

[0018] Figure 1 This is a schematic diagram of a self-adhesive coating device.

[0019] Figure 2 A self-adhesive coating device Figure 1 A schematic diagram of the structure of part A.

[0020] Figure 3 This is a schematic diagram of the structure of a self-adhesive coating device from another perspective.

[0021] Figure 4 A self-adhesive coating device Figure 3 A schematic diagram of the structure of part B.

[0022] In the diagram: 1. Conveying mechanism; 101. Base; 102. Gantry frame; 103. Glue roller; 104. Moving port; 105. Moving plate; 106. Pressure roller; 107. Worm gear; 108. Worm; 109. Guide rod; 110. Hydraulic rod; 111. Hexagonal shaft; 112. Drive motor; 2. Glue application mechanism; 201. Glue storage tank; 202. Connecting beam; 203. Groove; 204. Fixing screw; 205. Scraper; 206. Bidirectional screw; 207. Moving seat; 208. Fixing rod; 209. Glue scraper; 210. Fixing bolt; 211. Guide rod. Detailed Implementation

[0023] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0024] Please see Figure 1-4A self-adhesive coating apparatus includes a conveying mechanism 1, which includes a base 101. A gantry frame 102 is fixedly connected to the top of the base 101, providing support for the gantry frame 102. An adhesive coating roller 103 is rotatably connected inside the gantry frame 102. Movable openings 104 are provided on both sides of the gantry frame 102, and movable plates 105 are slidably connected inside each of the two sets of movable openings 104, accommodating the movable plates 105. A pressure roller 106 is rotatably connected between the two sets of movable plates 105, providing support for the pressure roller 106.

[0025] Hydraulic rods 110 are fixedly connected to both sides of the gantry frame 102. The output end of the hydraulic rods 110 is fixedly connected to the moving plate 105. The hydraulic rods 110 are used to drive the moving plate 105 up and down during operation, thereby adjusting the height of the pressure roller 106 to press labels of different thicknesses. Guide rods 109 slide through the interior of both sets of moving plates 105. Each set of guide rods 109 is fixedly connected to the gantry frame 102. The guide rods 109 are used to guide the up and down movement of the moving plate 105.

[0026] Both the pressure roller 106 and the coating roller 103 are fixedly connected to one side of a worm gear 107. Symmetrically arranged worms 108 are meshed with one side of each of the two sets of worm gears 107. The two sets of worms 108 are rotatably connected to the gantry frame 102 and the moving plate 105, respectively. The worms 108 are configured to drive the worm gears 107 to rotate during rotation. A hexagonal shaft 111 slides through the interior of each set of worms 108, and the hexagonal shaft 111 is configured to drive the two sets of worms 108 to rotate during rotation. A drive motor 112 is fixedly connected to the top of the gantry frame 102. The output end of the drive motor 112 is fixedly connected to the hexagonal shaft 111, and the drive motor 112 is configured to drive the hexagonal shaft 111 to rotate during startup.

[0027] The adhesive application mechanism 2 includes a gantry frame 102 with a connecting beam 202 detachably connected to one side. A scraper 205 is fixedly connected to the side of the connecting beam 202 near the adhesive application roller 103. The scraper 205 is used to evenly spread the adhesive on the surface of the adhesive application roller 103 to the appropriate thickness when the roller 103 rotates. A glue storage tank 201 is provided below the adhesive application roller 103 and fixedly connected to the gantry frame 102. The glue storage tank 201 is used to hold the adhesive, allowing the adhesive to be drawn from the tank when the roller 103 rotates. The gantry frame 102 has symmetrically provided grooves 203 on one side. The connecting beam 202 extends into the interior of the grooves 203. Both sets of grooves 203 are provided with fixing screws 204 that are threadedly connected to the gantry frame 102. Both sets of fixing screws 204 are rotatably connected to the connecting beam 202. The fixing screws 204 are used to fix the connecting beam 202 to the gantry frame 102. At the same time, the screwing depth of the fixing screws 204 can be adjusted to adjust the distance between the scraper 205 and the glue roller 103, so as to adjust the thickness of the adhesive removed from the outside of the glue roller 103.

[0028] A bidirectional screw 206 is rotatably connected to one side of the gantry frame 102. A movable seat 207 is symmetrically threaded onto the outer side of the bidirectional screw 206. The bidirectional screw 206 is configured to drive the two movable seats 207 to move relative to or away from each other during rotation. A guide rod 211 slides through the interior of each of the two movable seats 207. The guide rod 211 is fixedly connected to the gantry frame 102 and serves to guide the movement of the movable seats 207. A fixed rod 208 is detachably connected to one side of each of the two movable seats 207. A scraper 209, corresponding to the two sides of the coating roller 103, is fixedly connected to the opposite sides of the two fixed rods 208. The scraper 209 is configured to scrape off the adhesive from the corresponding side of the coating roller 103 when the coating roller 103 rotates. The fixing rod 208 has an internal threaded connection with a fixing bolt 210, which is threadedly connected to the movable seat 207. The fixing bolt 210 facilitates the subsequent disassembly and replacement of the fixing rod 208 and the scraper plate 209.

[0029] In use, self-adhesive is injected into the glue storage tank 201. Then, the label to be coated is passed between the coating roller 103 and the pressure roller 106, with the adhesive side of the label facing the coating roller 103. Next, the two sets of hydraulic rods 110 are activated, causing the hydraulic rods 110 to drive the moving plate 105 and the pressure roller 106 downwards until the pressure roller 106 presses the label firmly. Then, the drive motor 112 is activated, causing the drive motor 112 to drive the hexagonal shaft 111 to rotate. The rotation of the hexagonal shaft 111 drives the two sets of worm gears 108 to rotate synchronously. When the roller rotates, it can drive the two sets of worm gears 107 to rotate relative to each other, which in turn drives the glue coating roller 103 and the pressure roller 106 to rotate relative to each other, thereby realizing the conveying of the label paper. When the glue coating roller 103 rotates, it can continuously pick up the self-adhesive in the glue storage tank 201, and then be scraped flat by the scraper 205. At the same time, the scraper plates 209 on both sides can scrape off the self-adhesive on both sides of the glue coating roller 103 when the glue coating roller 103 rotates, thereby reducing the probability that a large amount of self-adhesive adhered to both sides of the glue coating roller 103 will flow to both sides of the glue coating roller 103 under the action of centrifugal force when the glue coating roller 103 rotates, and then be coated on the top surface of the label paper.

[0030] The above-described embodiments are preferred embodiments of the present utility model and are only used to facilitate the illustration of the present utility model. They are not intended to limit the present utility model in any way. Any person skilled in the art who makes partial modifications or alterations to the technical content disclosed in the present utility model without departing from the scope of the technical features of the present utility model shall still fall within the scope of the technical features of the present utility model.

Claims

1. A self-adhesive coating apparatus, characterized in that, include A conveying mechanism (1) includes a base (101), a gantry frame (102) fixedly connected to the top of the base (101), a glue-applying roller (103) rotatably connected inside the gantry frame (102), and movable openings (104) on both sides of the gantry frame (102). Movable plates (105) are slidably connected inside both sets of movable openings (104), and a pressure roller (106) rotatably connects between the two sets of movable plates (105). The pressure roller (106) and the glue-applying roller (103) are connected together. 03) is fixedly connected to one side of each of the two sets of worm gears (107), and symmetrically arranged worms (108) are meshed on one side of each of the two sets of worm gears (107). The two sets of worms (108) are rotatably connected to the gantry frame (102) and the moving plate (105) respectively. A hexagonal shaft (111) slides through the interior of the two sets of worms (108). A drive motor (112) is fixedly connected to the top of the gantry frame (102), and the output end of the drive motor (112) is fixedly connected to the hexagonal shaft (111). The glue application mechanism (2) includes a connecting beam (202) detachably connected to one side of the gantry frame (102), a scraper (205) fixedly connected to the side of the connecting beam (202) near the glue application roller (103), a glue storage tank (201) fixedly connected to the gantry frame (102) below the glue application roller (103), a bidirectional screw (206) rotatably connected to one side of the gantry frame (102), a movable seat (207) symmetrically threaded to the outer side of the bidirectional screw (206), a fixed rod (208) detachably connected to one side of each of the two movable seats (207), and a scraper (209) corresponding to both sides of the glue application roller (103) fixedly connected to the opposite sides of the two fixed rods (208).

2. The self-adhesive coating apparatus according to claim 1, characterized in that, Hydraulic rods (110) are fixedly connected to both sides of the gantry (102), and the output end of the hydraulic rods (110) is fixedly connected to the moving plate (105).

3. The self-adhesive coating apparatus according to claim 1, characterized in that, Both sets of movable plates (105) have guide rods (109) that slide through their interiors, and each set of guide rods (109) is fixedly connected to the gantry frame (102).

4. The self-adhesive coating apparatus according to claim 1, characterized in that, The gantry frame (102) has symmetrical grooves (203) on one side. The connecting beam (202) extends into the interior of the grooves (203). Both sets of grooves (203) are provided with fixing screws (204) that are threadedly connected to the gantry frame (102). Both sets of fixing screws (204) are rotatably connected to the connecting beam (202).

5. The self-adhesive coating apparatus according to claim 1, characterized in that, Guide rods (211) slide through the interior of the two sets of movable seats (207), and the guide rods (211) are fixedly connected to the gantry frame (102).

6. The self-adhesive coating apparatus according to claim 1, characterized in that, The fixing rod (208) is internally threaded with a fixing bolt (210), which is threadedly connected to the movable seat (207).

Images