Plastic packaging bag slitting device

Abstract

The utility model discloses a plastic packaging bag slitting device which comprises a base, an installation frame, a lifting mechanism, a slitting mechanism, a fixing mechanism and a rolling mechanism, the installation frame is arranged on the top face of the base, the lifting mechanism is arranged on the installation frame, and the rolling mechanism is arranged between the two side walls of the installation frame. The slitting mechanism comprises a fixing plate, a plurality of moving blocks, a scale bar, a plurality of knife rests, a plurality of blades and a plurality of inserting mechanisms, the fixing plate is connected with the lifting mechanism, the moving blocks are slidably arranged on the fixing plate, the scale bar is arranged on the fixing plate, the knife rests are connected to the bottom ends of the moving blocks, the blades are connected with the knife rests, and the inserting mechanisms are connected with the knife rests. And a plurality of slots are uniformly formed in the top surface of the fixed plate. Therefore, the distance between the blades can be adjusted, so that packaging bags with different widths can be cut, and the universality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic packaging bag processing, in particular to a plastic packaging bag slitting device. Background Art

[0002] Plastic packaging bags are an indispensable packaging material in modern life and are widely used in many fields such as food, medicine, cosmetics, and electronic products. In the production process of plastic packaging bags, a slitting device is required to slitting them.

[0003] Existing plastic packaging bag slitting devices use multiple blades to slit packaging bags, but the blades are usually fixedly arranged, and the distance between each blade is fixed, so that only packaging bags of fixed width can be cut, and the versatility is poor. Utility Model Content

[0004] The utility model aims to solve one of the technical problems in the related art at least to a certain extent.

[0005] Therefore, the purpose of the utility model is to provide a plastic packaging bag slitting device, which can adjust the distance between each blade, so that packaging bags of different widths can be cut, thereby improving versatility.

[0006] To achieve the above-mentioned purpose, the utility model proposes a plastic packaging bag slitting device, including a base, a mounting frame, a lifting mechanism, a slitting mechanism, a fixing mechanism and a winding mechanism, wherein the mounting frame is arranged on the top surface of the base, the lifting mechanism is arranged on the mounting frame, and the winding mechanism is arranged between the two side walls of the mounting frame; the slitting mechanism includes a fixed plate, a plurality of moving blocks, a scale bar, a plurality of tool holders, a plurality of blades and a plurality of plug-in mechanisms, wherein the fixed plate is connected to the lifting mechanism, a plurality of the moving blocks are all slidably arranged on the fixed plate, the scale bar is arranged on the fixed plate, the tool holder is connected to the bottom end of the moving block, the blade is connected to the tool holder, a plurality of slots are evenly arranged on the top surface of the fixed plate, the plug-in mechanism is arranged on the moving block, and the fixing mechanism is connected to the lifting mechanism.

[0007] The plastic packaging bag slitting device of the utility model can adjust the distance between each blade, so that packaging bags of different widths can be cut, thereby improving versatility.

[0008] In addition, the plastic packaging bag slitting device proposed in the application may also have the following additional technical features:

[0009] Specifically, the lifting mechanism includes a hydraulic rod, a lifting plate and two mounting plates, wherein the hydraulic rod is arranged on the top surface of the mounting frame, the lifting plate is connected to the piston end of the hydraulic rod, the two mounting plates are respectively arranged on both sides of the bottom surface of the lifting plate, and the fixed plate is arranged between the two mounting plates.

[0010] Specifically, the fixing mechanism includes a sleeve, an extrusion spring, a movable rod, a fixing frame, a rotating shaft and a fixed wheel, wherein the sleeve is connected to the bottom end of the mounting plate, the extrusion spring is connected to the inner wall of the sleeve, the movable rod is connected to the extrusion spring, the fixing frame is connected to the movable rod, the rotating shaft is rotatably arranged between the two side walls of the fixing frame, and the fixed wheel is fixedly sleeved on the rotating shaft.

[0011] Specifically, the plug-in mechanism includes a pin, a top plate and a spring, wherein the pin is connected to the top of the moving block, the pin matches the slot, the top plate is connected to the top of the pin, the spring is connected between the top plate and the moving block, and the spring is sleeved on the pin.

[0012] Specifically, the winding mechanism includes a winding roller and a driving component, wherein the winding roller is rotatably connected between the two side walls of the mounting frame, a driving component is provided on one side of the mounting frame, the output end of the driving component is connected to the winding roller, and the winding roller is arranged below the slitting mechanism.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0015] Figure 1 This is a schematic structural diagram of a plastic packaging bag cutting device according to an embodiment of the utility model;

[0016] Figure 2 A top view of a fixing plate of a plastic packaging bag slitting device according to an embodiment of the utility model;

[0017] Figure 3 This is an enlarged schematic diagram of a plastic packaging bag cutting device at point A according to an embodiment of the utility model;

[0018] Figure 4 This is a cross-sectional view of a fixing mechanism of a plastic packaging bag slitting device according to an embodiment of the utility model.

[0019] As shown in the figure: 10, base; 11, mounting frame; 20, lifting mechanism; 21, hydraulic rod; 22, lifting plate; 23, mounting plate; 30, slitting mechanism; 31, fixed plate; 32, moving block; 33, scale bar; 34, knife holder; 35, blade; 36, slot; 37, plug-in mechanism; 371, plug-in column; 372, top plate; 373, spring; 40, fixing mechanism; 41, sleeve; 42, extrusion spring; 43, movable rod; 44, fixing frame; 45, rotating shaft; 46, fixed wheel; 50, winding mechanism; 51, winding roller; 52, driving component. DETAILED DESCRIPTION

[0020] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limitations on the present invention. On the contrary, the embodiments of the present invention include all changes, modifications, and equivalents that fall within the spirit and connotation of the appended claims.

[0021] The plastic packaging bag slitting device according to the embodiment of the utility model will be described below with reference to the accompanying drawings.

[0022] like Figure 1-Figure 4 As shown, the plastic packaging bag slitting device of the embodiment of the utility model may include a base 10, a mounting frame 11, a lifting mechanism 20, a slitting mechanism 30, a fixing mechanism 40 and a rolling mechanism 50, wherein the mounting frame 11 is arranged on the top surface of the base 10, the lifting mechanism 20 is arranged on the mounting frame 11, and the rolling mechanism 50 is arranged between the two side walls of the mounting frame 11.

[0023] It should be noted that the height of the slitting mechanism 30 can be adjusted by providing the lifting mechanism 20 , and the plastic packaging film to be slit can be rolled up by providing the rolling mechanism 50 .

[0024] The slitting mechanism 30 includes a fixed plate 31, multiple moving blocks 32, a scale bar 33, multiple tool holders 34, multiple blades 35 and multiple plug-in mechanisms 37, wherein the fixed plate 31 is connected to the lifting mechanism 20, the multiple moving blocks 32 are slidably arranged on the fixed plate 31, the scale bar 33 is arranged on the fixed plate 31, the tool holder 34 is connected to the bottom end of the moving block 32, the blade 35 is connected to the tool holder 34, the top surface of the fixed plate 31 is evenly provided with multiple slots 36, the plug-in mechanism 37 is arranged on the moving block 32, and the fixed mechanism 40 is connected to the lifting mechanism 20.

[0025] It should be noted that by plugging the plug-in mechanism 37 into different slots 36, the position of the movable block 32 can be adjusted, thereby adjusting the distance between the blades 35, so that the plastic film can be cut into plastic packaging bags of different widths. By setting the scale bar 33, it is convenient to accurately adjust the distance between different blades. By setting the fixing mechanism 40, the plastic packaging film can be fixed to prevent it from wrinkling and affecting the cutting quality.

[0026] Specifically, in the actual operation process, the relevant personnel rewind the plastic packaging film to be cut through the rewinding mechanism 50, and by plugging the plug-in mechanism 37 into different slots 36, the position of the moving block 32 can be adjusted, thereby adjusting the distance between different blades 35, and adjusting the height of the fixing mechanism 40 and the blade 35 through the lifting mechanism 20, and the two ends of the plastic packaging film are pressed by the fixing mechanism 40, and then the rewinding mechanism 50 is driven to rotate, so that the plastic packaging film is cut into packaging bags of different widths by the blade 35.

[0027] In one embodiment of the present invention, Figure 1 As shown, the lifting mechanism 20 may include a hydraulic rod 21, a lifting plate 22 and two mounting plates 23, wherein the hydraulic rod 21 is arranged on the top surface of the mounting frame 11, the lifting plate 22 is connected to the piston end of the hydraulic rod 21, the two mounting plates 23 are respectively arranged on both sides of the bottom surface of the lifting plate 22, and the fixing plate 31 is arranged between the two mounting plates 23.

[0028] It can be understood that the height of the lifting plate 22 can be adjusted by controlling the extension and retraction of the piston end of the hydraulic rod 21, thereby adjusting the height of the slitting mechanism 30.

[0029] In one embodiment of the present invention, Figure 4 As shown, the fixing mechanism 40 may include a sleeve 41, an extrusion spring 42, a movable rod 43, a fixing frame 44, a rotating shaft 45 and a fixed wheel 46, wherein the sleeve 41 is connected to the bottom end of the mounting plate 23, the extrusion spring 42 is connected to the inner wall of the sleeve 41, the movable rod 43 is connected to the extrusion spring 42, the fixing frame 44 is connected to the movable rod 43, the rotating shaft 45 is rotatably arranged between the two side walls of the fixing frame 44, and the fixed wheel 46 is fixedly sleeved on the rotating shaft 45.

[0030] It should be noted that, by providing the squeezing spring 42 and the movable rod 43 , the fixing frame 44 can be squeezed, so that the fixing wheels 46 are pressed tightly against the two ends of the plastic packaging film to prevent the packaging film from wrinkling.

[0031] In one embodiment of the present invention, Figure 3As shown, the plug-in mechanism 37 may include a pin 371, a top plate 372 and a spring 373, wherein the pin 371 is connected to the top of the moving block 32, the pin 371 matches the slot 36, the top plate 372 is connected to the top of the pin 371, the spring 373 is connected between the top plate 372 and the moving block 32, and the spring 373 is sleeved on the pin 371.

[0032] It should be noted that by pulling the top plate 372, the pin 371 can be driven out of the slot 36, and then the movable block 32 can be moved to a suitable position, and the pin 371 can be inserted into the new slot 36 to fix the position of the movable block 32. By setting the spring 373, the pin 371 can be inserted more firmly.

[0033] In one embodiment of the present invention, Figure 1 As shown, the winding mechanism 50 may include a winding roller 51 and a driving component 52, wherein the winding roller 51 is rotatably connected between the two side walls of the mounting frame 11, a driving component 52 is provided on one side of the mounting frame 11, and an output end of the driving component 52 is connected to the winding roller 51, and the winding roller 51 is provided below the slitting mechanism 30.

[0034] It should be noted that the driving component 52 described in this embodiment can be a motor, and the driving component 52 drives the winding roller 51 to rotate, so that the blade 35 can cut the plastic packaging film.

[0035] Specifically, in the actual implementation process, the relevant personnel rewind the plastic packaging film to be cut by the winding roller 51, and then pull the top plate 372 to drive the plug 371 to disengage from the slot 36. By observing the scale bar 33, the movable block 32 is moved to a suitable position, and then the plug 371 is inserted into the new slot 36 to fix the position of the movable block 32, thereby adjusting the distance between different blades 35. The height of the lifting plate 22 can be adjusted by controlling the extension and retraction of the piston end of the hydraulic rod 21, so that the blade 35 is close to the plastic packaging film. The fixed frame 44 can be squeezed by the extrusion spring 42 and the movable rod 43, so that the fixed wheel 46 is pressed against the plastic packaging film, and then the winding roller 51 is driven to rotate by the driving component 52, so that the plastic packaging film is cut into packaging bags of different widths by the blade 35.

[0036] In summary, the plastic packaging bag slitting device of the embodiment of the utility model can adjust the distance between each blade, so that packaging bags of different widths can be cut, thereby improving versatility.

[0037] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0038] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0039] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in this field can change, modify, replace and deform the above embodiments within the scope of the present invention.

Claims

1. A plastic packaging bag cutting device, characterized in that: It includes a base, a mounting frame, a lifting mechanism, a slitting mechanism, a fixing mechanism and a winding mechanism, wherein: The mounting frame is arranged on the top surface of the base, the lifting mechanism is arranged on the mounting frame, and the winding mechanism is arranged between the two side walls of the mounting frame; The slitting mechanism includes a fixed plate, a plurality of moving blocks, a scale bar, a plurality of tool holders, a plurality of blades and a plurality of plug-in mechanisms, wherein: The fixed plate is connected to the lifting mechanism, the plurality of moving blocks are slidably arranged on the fixed plate, the scale bar is arranged on the fixed plate, the tool holder is connected to the bottom end of the moving block, the blade is connected to the tool holder, the top surface of the fixed plate is evenly provided with a plurality of slots, and the plug-in mechanism is arranged on the moving block; The fixing mechanism is connected to the lifting mechanism.

2. The plastic packaging bag slitting device according to claim 1, characterized in that: The lifting mechanism includes a hydraulic rod, a lifting plate and two mounting plates, wherein: The hydraulic rod is arranged on the top surface of the mounting frame, the lifting plate is connected to the piston end of the hydraulic rod, the two mounting plates are respectively arranged on both sides of the bottom surface of the lifting plate, and the fixing plate is arranged between the two mounting plates.

3. The plastic packaging bag slitting device according to claim 2, characterized in that: The fixing mechanism includes a sleeve, a compression spring, a movable rod, a fixing frame, a rotating shaft and a fixing wheel, wherein: The sleeve is connected to the bottom end of the mounting plate, the extrusion spring is connected to the inner wall of the sleeve, the movable rod is connected to the extrusion spring, and the fixing frame is connected to the movable rod; The rotating shaft is rotatably arranged between the two side walls of the fixing frame, and the fixing wheel is fixedly sleeved on the rotating shaft.

4. The plastic packaging bag slitting device according to claim 1, characterized in that: The plug-in mechanism includes a plug post, a top plate and a spring, wherein: The plug post is connected to the top of the moving block, the plug post matches the slot, the top plate is connected to the top of the plug post, the spring is connected between the top plate and the moving block, and the spring is sleeved on the plug post.

5. The plastic packaging bag slitting device according to claim 1, characterized in that: The winding mechanism comprises a winding roller and a driving component, wherein: The winding roller is rotatably connected between the two side walls of the mounting frame. A driving component is provided on one side of the mounting frame. The output end of the driving component is connected to the winding roller. The winding roller is arranged below the slitting mechanism.

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