A label applicator for plastic product packaging

Abstract

The utility model discloses a kind of label pasting guns for plastic product packaging, including shell, shell inner side wall rotationally connected second gear, first gear is fixedly connected with second gear shaft end, trigger is rotationally connected with shell inner side wall, trigger side wall is fixedly connected with incomplete gear, incomplete gear and first gear are mutually engaged, shell inner side wall rotationally connected with driven shift block and transmission shift block, and driven shift block and transmission shift block mutually abut, shell inner side wall is fixedly connected with tool holder, cutter is fixedly connected with tool holder inner side wall, and cutter one end is fixedly connected with driven shift block shaft end;The utility model can realize the conveying and cutting of label by pressing trigger, without manual cutting label, greatly improve work efficiency, reduce artificial cost and labor intensity, set label placement, conveying, compacting and cutting function in one, can complete the preparatory work before label pasting in one station, simplify packaging process, improve the coherence of packaging operation.

Description

Technical Field

[0001] This utility model relates to the field of plastic product packaging technology, specifically a label sticking gun for plastic product packaging. Background Technology

[0002] In the plastic product packaging industry, label application is a crucial step in the product packaging process. Traditional label application methods often involve manually cutting and pasting labels. This method is not only inefficient and unsuitable for large-scale production, but also suffers from inconsistent label cutting accuracy, leading to label waste and increased production costs. Therefore, those skilled in the art have developed a label application gun for plastic product packaging to address the problems mentioned in the background section. Utility Model Content

[0003] The purpose of this invention is to provide a labeling gun for plastic product packaging to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: A labeling gun for plastic product packaging includes a housing. A second gear is rotatably connected to the inner wall of the housing, and a first gear is fixedly connected to the shaft end of the second gear. A trigger is rotatably connected to the inner wall of the housing, and an incomplete gear is fixedly connected to the side wall of the trigger. The incomplete gear meshes with the first gear. A driven block and a transmission block are rotatably connected to the inner wall of the housing, and the driven block and the transmission block abut against each other. A blade holder is fixedly connected to the inner wall of the housing, and a cutter is fixedly connected to the inner wall of the blade holder. One end of the cutter is fixedly connected to the shaft end of the driven block.

[0005] Furthermore, a tension spring is fixedly connected to the inner wall of the housing, and one end of the tension spring is fixedly connected to the shaft end of the driven lever.

[0006] Furthermore, a guide roller, a driven wheel, and an outlet gear set are rotatably connected to the inner side wall of the housing. A transmission rubber strip is provided between the guide roller and the driven wheel and the outlet gear set, respectively. An auxiliary pressure roller is rotatably connected to the inner side wall of the housing.

[0007] Furthermore, the inner wall of the housing is rotatably connected to a placement cylinder for placing the label roller, and the labels on the label roller extend outward between the auxiliary pressure roller and the guide roller.

[0008] Furthermore, a ratchet is fixedly connected to the end of the guide roller shaft, a pawl is rotatably connected to the end of the ratchet shaft, the pawl meshes with the ratchet, and a third gear is fixedly connected to the end of the pawl shaft.

[0009] Furthermore, a first rack is slidably connected to the inner sidewall of the housing, the first rack meshes with a second gear, and a second rack is fixedly connected to one end of the first rack.

[0010] Furthermore, the second rack meshes with the third gear, and the end of the second rack also moves in conjunction with the side wall of the transmission block.

[0011] By adopting the above technical solution Compared with the prior art, the beneficial effects of this utility model are: 1. Labels can be fed and cut simply by pressing the trigger, eliminating the need for manual label cutting, which greatly improves work efficiency and reduces labor costs and intensity. The ingenious design of the transmission structure, such as gears, racks, and levers, between the various components ensures the accuracy and stability of label feeding and cutting, reducing label waste caused by improper operation. It integrates label placement, feeding, pressing, and cutting functions, enabling one-stop preparation for label pasting, simplifying the packaging process, and improving the continuity of packaging operations. Attached Figure Description

[0012] Figure 1 A schematic diagram of the overall structure of a label-adhesive gun for packaging plastic products; Figure 2 A schematic diagram of the internal structure of a label-adhesive gun for packaging plastic products; Figure 3 For a label adhesive gun used in plastic product packaging Figure 2 The left view; Figure 4 For a label adhesive gun used in plastic product packaging Figure 2 The right view.

[0013] In the diagram: 1. Housing; 2. Trigger; 3. Incomplete gear; 4. First gear; 5. Second gear; 6. First rack; 7. Second rack; 8. Placement cylinder; 9. Guide roller; 10. Driven wheel; 11. Outlet gear set; 12. Transmission rubber strip; 13. Auxiliary pressure roller; 14. Driven lever; 15. Tension spring; 16. Blade holder; 17. Cutting blade; 18. Transmission lever; 19. Ratchet; 20. Third gear; 21. Pawl. Detailed Implementation

[0014] To make the technical means, creative features, achieved objectives and effects of this utility model easier to understand, the present utility model is further described below in conjunction with specific embodiments. In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0015] Please see Figures 1-4 This utility model provides an embodiment of a labeling gun for plastic product packaging, comprising a housing 1, a second gear 5 rotatably connected to the inner wall of the housing 1, a first gear 4 fixedly connected to the shaft end of the second gear 5, a trigger 2 rotatably connected to the inner wall of the housing 1, an incomplete gear 3 fixedly connected to the side wall of the trigger 2, the incomplete gear 3 meshing with the first gear 4, a driven lever 14 and a transmission lever 18 rotatably connected to the inner wall of the housing 1, the driven lever 14 and the transmission lever 18 abutting against each other, a blade holder 16 fixedly connected to the inner wall of the housing 1, a cutter 17 fixedly connected to the inner wall of the blade holder 16, one end of the cutter 17 fixedly connected to the shaft end of the driven lever 14; when the trigger 2 is pressed, the incomplete gear fixed to the side wall of the trigger 2... Wheel 3 rotates accordingly. Since the incomplete gear 3 meshes with the first gear 4, the first gear 4 drives the second gear 5, which is fixed at the shaft end, to rotate. The second gear 5 meshes with the first rack 6, causing the first rack 6 to slide on the inner side wall of the housing 1, thereby driving the fixedly connected second rack 7 to move. During the movement of the second rack 7, its end is movably connected to the side wall of the transmission block 18, pushing the transmission block 18 to rotate. The transmission block 18 and the driven block 14 abut against each other, driving the driven block 14 to rotate. The shaft end of the driven block 14 is fixedly connected to the cutter 17, thereby causing the cutter 17 to move downward to cut the conveyed label. After releasing the trigger 2, the tension spring 15 pulls the driven block 14 to reset, waiting for the next operation.

[0016] In this embodiment, a guide roller 9, a driven wheel 10, and an outlet gear set 11 are rotatably connected to the inner wall of the housing 1. A transmission rubber strip 12 is provided between the guide roller 9, the driven wheel 10, and the outlet gear set 11. An auxiliary pressure roller 13 is rotatably connected to the inner wall of the housing 1. A placement cylinder 8 for placing the label roller is rotatably connected to the inner wall of the housing 1. The label on the label roller extends outward through the space between the auxiliary pressure roller 13 and the guide roller 9. A ratchet 19 is fixedly connected to the shaft end of the guide roller 9. A pawl 21 is rotatably connected to the shaft end of the ratchet 19, and the pawl 21 meshes with the ratchet 19. A third gear 20 is fixedly connected to the shaft end of the pawl 21. The inner wall of the housing 1 is slidably connected... A first rack 6 is connected, which meshes with a second gear 5. A second rack 7 is fixedly connected to one end of the first rack 6, and the second rack 7 meshes with a third gear 20. The end of the second rack 7 is also movably connected to the side wall of the transmission block 18. The second rack 7 and the third gear 20 mesh with each other, and the third gear 20 drives the pawl 21 connected to the shaft end to rotate. The pawl 21 meshes with the ratchet 19, pushing the ratchet 19 to rotate, thereby driving the guide roller 9 to rotate. The guide roller 9 drives the driven wheel 10 and the outlet gear set 11 to rotate through the transmission rubber strip 12, so that the label is conveyed outward from the placement cylinder 8 through the auxiliary pressure roller 13 and the guide roller 9.

[0017] When trigger 2 is pressed, the incomplete gear 3 fixed to the side wall of trigger 2 rotates. Since the incomplete gear 3 meshes with the first gear 4, the first gear 4 drives the second gear 5 fixed to the shaft end to rotate. The second gear 5 meshes with the first rack 6, causing the first rack 6 to slide on the inner side wall of the housing 1, thereby driving the fixedly connected second rack 7 to move. The second rack 7 meshes with the third gear 20, which drives the pawl 21 connected to the shaft end to rotate. The pawl 21 meshes with the ratchet 19, pushing the ratchet 19 to rotate, thereby driving the guide roller 9 to rotate. The guide roller 9, through transmission... The moving rubber strip 12 drives the driven wheel 10 and the outlet gear set 11 to rotate, so that the label is conveyed outward from the placement cylinder 8 through the auxiliary pressure roller 13 and the guide roller 9. During the movement of the second rack 7, its end is movably connected to the side wall of the transmission block 18, pushing the transmission block 18 to rotate. The transmission block 18 and the driven block 14 abut against each other, driving the driven block 14 to rotate. The shaft end of the driven block 14 is fixedly connected to the cutter 17, so that the cutter 17 moves downward to cut the conveyed label. After the trigger 2 is released, the tension spring 15 pulls the driven block 14 to reset, waiting for the next operation.

[0018] Labels can be fed and cut by pressing trigger 2, eliminating the need for manual label cutting, which greatly improves work efficiency and reduces labor costs and intensity. The ingenious design of the transmission structure, such as gears, racks, and levers between the components, ensures the accuracy and stability of label feeding and cutting, reducing label waste caused by improper operation. It integrates label placement, feeding, pressing, and cutting functions, and can complete the preparation work before label pasting in one stop, simplifying the packaging process and improving the continuity of packaging operations.

[0019] This specification describes the embodiments, but not every embodiment contains only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A label adhesive gun for plastic product packaging, characterized in that, The device includes a housing (1), a second gear (5) is rotatably connected to the inner wall of the housing (1), a first gear (4) is fixedly connected to the shaft end of the second gear (5), a trigger (2) is rotatably connected to the inner wall of the housing (1), an incomplete gear (3) is fixedly connected to the side wall of the trigger (2), the incomplete gear (3) meshes with the first gear (4), a driven lever (14) and a transmission lever (18) are rotatably connected to the inner wall of the housing (1), and the driven lever (14) and the transmission lever (18) abut against each other, a knife holder (16) is fixedly connected to the inner wall of the housing (1), a cutter (17) is fixedly connected to the inner wall of the knife holder (16), and one end of the cutter (17) is fixedly connected to the shaft end of the driven lever (14).

2. The label adhesive gun for plastic product packaging according to claim 1, characterized in that, A tension spring (15) is fixedly connected to the inner wall of the housing (1), and one end of the tension spring (15) is fixedly connected to the shaft end of the driven lever (14).

3. The label adhesive gun for plastic product packaging according to claim 1, characterized in that, The inner wall of the housing (1) is rotatably connected to a guide roller (9), a driven wheel (10) and an outlet gear set (11). A transmission rubber strip (12) is provided between the guide roller (9) and the driven wheel (10) and the outlet gear set (11) respectively. An auxiliary pressure roller (13) is rotatably connected to the inner wall of the housing (1).

4. The label adhesive gun for plastic product packaging according to claim 1, characterized in that, The inner wall of the housing (1) is rotatably connected to a placement cylinder (8) for placing the label roller, and the label on the label roller extends outward between the auxiliary pressure roller (13) and the guide roller (9).

5. The label adhesive gun for plastic product packaging according to claim 3, characterized in that, The guide roller (9) is fixedly connected to a ratchet (19) at its shaft end, and a pawl (21) is rotatably connected to the shaft end of the ratchet (19). The pawl (21) meshes with the ratchet (19), and a third gear (20) is fixedly connected to the shaft end of the pawl (21).

6. The label adhesive gun for plastic product packaging according to claim 1, characterized in that, The inner wall of the housing (1) is slidably connected to a first rack (6), which meshes with a second gear (5). One end of the first rack (6) is fixedly connected to a second rack (7).

7. The label adhesive gun for plastic product packaging according to claim 6, characterized in that, The second rack (7) meshes with the third gear (20), and the end of the second rack (7) is also movably connected to the side wall of the transmission block (18).

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