Cutting device for film plastic packaging bag

Abstract

The utility model belongs to the technical field of film plastic packaging bag production equipment, and particularly relates to a film plastic packaging bag cutting device which comprises a placing platform, supporting columns are arranged on the two sides of the bottom of the placing platform, and a plate body is erected between the two sets of supporting columns and used for guaranteeing stable placing of the placing platform. The material guiding mechanism is arranged on one side of the end face of the placing platform and used for guiding and conveying the film plastic packaging bags; the leveling mechanism is arranged on the end face, located on one side of the material guiding mechanism, of the containing platform and used for stretching the thin film plastic packaging bag so that the thin film plastic packaging bag can be smoother; mounting grooves are formed in the positions, located on the outer sides of the leveling mechanisms, of the two sides of the end face of the containing platform, and mounting frames are arranged in the two mounting grooves correspondingly. Through the arrangement of the material guiding mechanism, the leveling mechanism and the cutting mechanism, the follow-up cutting efficiency of the device is improved, compared with existing equipment, the leveling effect is better, and the problem that the packaging bags are stacked and wrinkled in the cutting process can be effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of thin-film plastic packaging bag production equipment, and specifically relates to a cutting device for thin-film plastic packaging bags. Background Art

[0002] A thin-film plastic packaging bag is a packaging bag made of plastic as raw material and is used for various articles in production and life. It is widely used in daily life and industrial production. Commonly used plastic packaging bags are mostly made of polyethylene film, which is non-toxic, so it can be used to hold food, etc.

[0003] The prior art has the following defects or problems: In the prior art, the publication number is: CN218804339U, a cutting device for thin-film plastic packaging bags includes a machine body. A cutting machine is connected to the top of the machine body through a connecting frame. A cutting knife is provided at the bottom of the cutting machine. A feeding frame is bolted to one side edge position at the top of the machine body. A blanking groove is opened at the top edge position on the other side of the machine body opposite to the feeding frame. Side plates are fixedly connected to the opposite sides at the top of the machine body. Transmission belts are provided in a rolling manner in the inner grooves on the opposite side and below of the two side plates. A bottom rod is fixedly connected to the outer side of the transmission belt. An inner rod is slidably embedded at one end of the bottom rod away from the transmission belt. A pressing plate is fixedly connected to the outer end of the inner rod.

[0004] During the use of the above device, the two sides of the packaging bag are fixed by the upper and lower pressing plates and are conveyed forward. The edges of the packaging bag are fixed by the upper and lower pressing plates to flatten the packaging bag.

[0005] In the above content, the fixing effect on the packaging bag is poor and cannot achieve the expected flattening effect. In addition, during the conveying process, when cutting the packaging bag, affected by the force, the packaging bag will shift, affecting the cutting accuracy.

[0006] It should be noted that the above content belongs to the technical cognition scope of the inventor and does not necessarily constitute the prior art. Content of the Utility Model

[0007] Aiming at the deficiencies of the prior art, the utility model provides a cutting device for thin-film plastic packaging bags, which solves the existing problems.

[0008] To achieve the above purpose, the utility model provides the following technical solutions: A cutting device for thin-film plastic packaging bags, comprising:

[0009] A placement platform, both sides at the bottom of the placement platform are provided with columns, and a plate body is erected between the two groups of columns to ensure the stable placement of the placement platform;

[0010] A material guiding mechanism, which is arranged on one side of the end face of the placement platform and is used for guiding and conveying the thin-film plastic packaging bag;

[0011] Leveling mechanism, the leveling mechanism is arranged on the end face of the placement platform on one side of the material guiding mechanism, and is used to stretch the plastic film packaging bag to make it more flat;

[0012] Wherein, on the other side of the leveling mechanism, a baffle is fixedly installed on the end face of the placement platform, and a slot is opened on the inner side wall of the baffle;

[0013] Cutting mechanism, installation grooves are opened on both sides of the end face of the placement platform outside the leveling mechanism, installation frames are arranged inside the two installation grooves, and the cutting mechanism is arranged between the installation frames for cutting the plastic film packaging bag;

[0014] Wherein, a connecting plate is fixedly installed on the outer side wall of the placement platform, a hydraulic component is fixedly installed on the connecting plate, specifically a hydraulic cylinder structure, and the output end is movably connected with a hydraulic rod.

[0015] As a preferred technical solution of the present utility model, the hydraulic rod penetrates through the placement platform and extends into the installation groove, and one end of the hydraulic rod extending into the installation groove is connected to the bottom side wall of the installation frame.

[0016] As a preferred technical solution of the present utility model, the material guiding mechanism includes:

[0017] Placement plate, the placement plate is fixedly connected to the end face of the placement platform by welding;

[0018] Side frames, there are two groups of side frames, and they are respectively fixedly installed on both sides of the end face of the placement plate;

[0019] Limiting plates, there are two groups of limiting plates, and they are respectively arranged on the inner side walls of the side frames;

[0020] Material guiding cylinder, the material guiding cylinder is fixedly installed between the two limiting plates;

[0021] Auxiliary rotating shaft, the auxiliary rotating shaft penetrates through the side frame, the limiting plate and the material guiding cylinder, and shaft linings are fixedly connected to both sides thereof.

[0022] As a preferred technical solution of the present utility model, the leveling mechanism includes:

[0023] Leveling frame, leveling frames are fixedly installed on both sides of the end face of the placement platform, accommodation grooves are opened on the inner side walls of the two leveling frames, sliding grooves are opened at the upper and lower ends of the accommodation grooves, and extension grooves are opened through the outer side walls of the leveling frames;

[0024] Leveling part, the leveling part is movably installed inside the accommodation groove, and sliders are fixedly installed at its upper and lower ends. The size of the sliders is the same as that of the sliding grooves, and there is a sliding connection;

[0025] A placement groove is provided on the outer side wall of the leveling part. Bottom blocks are fixedly connected to both the upper and lower ends of the placement groove, and a contact end is fixedly connected to the top of the bottom block.

[0026] A push frame is fixedly connected to the rear side of the leveling part. The size of the push frame is the same as that of the extension groove and extends outward. A handle is fixedly connected to one end of the push frame extending outward. A clamping block is fixedly installed on one side of the handle corresponding to the direction of the baffle. The size of the clamping block is the same as that of the slot.

[0027] As a preferred technical solution of the present utility model, the cutting mechanism includes:

[0028] A bearing frame is erected between the two installation frames, and a fixed seat is fixedly installed at its bottom. Fixed frames are fixedly connected to both sides of the bottom end face of the fixed seat. Fixed rods are fixedly connected to both the upper and lower sides between the two fixed frames.

[0029] A cutting knife group is arranged between the fixed frames and is fixed by the fixed rods.

[0030] Compared with the prior art, the present utility model provides a cutting device for thin-film plastic packaging bags, which has the following beneficial effects:

[0031] 1. For the cutting device for thin-film plastic packaging bags, by setting a hydraulic component, which cooperates with a hydraulic rod, when the hydraulic component operates, it can push the installation frame to move along the inside of the installation groove through the hydraulic rod, so as to achieve the effect of fixed-point cutting, meet different size requirements, and thus improve the cutting efficiency and precision of the cutting device.

[0032] 2. For the cutting device for thin-film plastic packaging bags, by setting a feeding mechanism, a leveling mechanism and a cutting mechanism, the staff winds the thin-film plastic packaging bag on the feeding cylinder. When cutting is required, the leveling mechanism can drive the packaging bag to extend to one side. During the extension process, the feeding cylinder can rotate along with the auxiliary rotating shaft, so as to achieve an effective feeding effect and improve the subsequent cutting efficiency of the device. In addition, since limiting plates are provided on both sides of the feeding cylinder, it can prevent the packaging bag from shifting during the extension process and affecting the cutting efficiency.

[0033] The staff first places the packaging bag inside the placement groove and fixes it through the contact end. Then, manually hold the handle, so that the leveling part cooperates with the slider to translate along the receiving groove and the sliding groove until the clamping block on one side of the handle is inserted into the slot to complete the fixation, which can complete the leveling operation of the packaging bag, making it extend flatly above the end face of the placement platform. Compared with the existing equipment, the leveling effect is better, and it can more effectively reduce the problem of stacking and wrinkling during the cutting of the packaging bag.

[0034] When the packaging bag is flatly extended above the end face of the placement platform, the cutting knife group can perform effective cutting operations, improving the cutting efficiency of the device. Description of the Drawings

[0035] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the present utility model;

[0036] Figure 2 It is a three-dimensional schematic diagram of another perspective of the overall structure of the present utility model;

[0037] Figure 3 It is a schematic diagram of the cutting mechanism structure of the present utility model;

[0038] Figure 4 It is a schematic diagram of the leveling mechanism structure of the present utility model;

[0039] Figure 5 It is a schematic diagram of the structure at position A of the present utility model;

[0040] Figure 6 It is a schematic diagram of the feeding mechanism structure of the present utility model.

[0041] In the figure: 1. Placement platform; 101. Installation groove; 2. Support pillar; 3. Feeding mechanism; 301. Placement plate; 302. Side frame; 303. Limiting plate; 304. Feeding cylinder; 305. Auxiliary rotating shaft; 306. Bushing; 4. Leveling mechanism; 401. Leveling frame; 402. Accommodation groove; 403. Sliding groove; 404. Extension groove; 405. Leveling part; 4051. Slide block; 4052. Placement groove; 4053. Bottom block; 4054. Contact end; 406. Pushing frame; 407. Handle; 408. Clamping block; 5. Mounting frame; 6. Cutting mechanism; 601. Bearing frame; 602. Fixed seat; 603. Fixed frame; 604. Cutting knife group; 605. Fixed rod; 7. Baffle; 701. Groove; 8. Connecting plate; 9. Hydraulic component. Detailed Embodiments

[0042] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0043] Please refer to Figure 1-6 , in this implementation: A cutting device for a thin-film plastic packaging bag, comprising:

[0044] Placement platform 1, with struts 2 provided on both sides of the bottom of the placement platform 1, and a plate body is erected between the two groups of struts 2 to ensure the stable placement of the placement platform 1;

[0045] Feeding mechanism 3, which is arranged on one side of the end face of the placement platform 1 and is used for guiding and conveying the thin film plastic packaging bag;

[0046] Leveling mechanism 4, which is arranged on the end face of the placement platform 1 on the side of the feeding mechanism 3 and is used for stretching the thin film plastic packaging bag to make it flatter;

[0047] Among them, on the other side of the leveling mechanism 4, a baffle 7 is fixedly installed on the end face of the placement platform 1, and a slot 701 is opened on the inner side wall of the baffle 7;

[0048] Cutting mechanism 6, installation grooves 101 are opened on both sides of the end face of the placement platform 1 outside the leveling mechanism 4, mounting frames 5 are provided inside the two groups of installation grooves 101, and the cutting mechanism 6 is arranged between the mounting frames 5 and is used for cutting the thin film plastic packaging bag;

[0049] Among them, a connecting plate 8 is fixedly installed on the outer side wall of the placement platform 1, a hydraulic component 9 is fixedly installed on the connecting plate 8, which is specifically a hydraulic cylinder structure, and the output end is movably connected with a hydraulic rod.

[0050] In this embodiment, to achieve fixed-point cutting, the hydraulic rod penetrates through the placement platform 1 and extends into the installation groove 101. One end of the hydraulic rod extending into the installation groove 101 is connected to the bottom side wall of the mounting frame 5. When the hydraulic component 9 operates, it can push the mounting frame 5 to move along the inside of the installation groove 101 through the hydraulic rod, thereby achieving the effect of fixed-point cutting, meeting different size requirements, and thus improving the cutting efficiency and accuracy of the cutting device.

[0051] In this embodiment, to effectively improve the cutting accuracy and efficiency: the feeding mechanism 3 includes:

[0052] Placement plate 301, which is fixedly connected to the end face of the placement platform 1 by welding;

[0053] Side frames 302, there are two groups of side frames 302, and they are respectively fixedly installed on both sides of the end face of the placement plate 301;

[0054] Limit plates 303, there are two groups of limit plates 303, and they are respectively arranged on the inner side walls of the side frames 302;

[0055] Feeding cylinder 304, which is fixedly installed between the two groups of limit plates 303;

[0056] Auxiliary rotating shaft 305, which penetrates through the side frame 302, the limit plate 303 and the feeding cylinder 304, and bushings 306 are fixedly connected to both sides of it;

[0057] The staff winds the thin-film plastic packaging bag around the material guiding cylinder 304. When cutting needs to be completed, the leveling mechanism 4 can drive the packaging bag to extend to one side. During the extension process, the material guiding cylinder 304 can rotate along with the auxiliary rotating shaft 305, so as to achieve an effective material guiding effect and improve the subsequent cutting efficiency of the device. In addition, since the limiting plates 303 are arranged on both sides of the material guiding cylinder 304, it can prevent the packaging bag from shifting during the extension process and affecting the cutting efficiency;

[0058] The leveling mechanism 4 includes:

[0059] The leveling frame 401 is fixedly installed on both sides of the end face of the placement platform 1. The inner side walls of the two groups of leveling frames 401 are provided with receiving grooves 402. The upper and lower ends of the receiving grooves 402 are provided with sliding grooves 403, and the outer side walls of the leveling frames 401 are penetrated with extension grooves 404;

[0060] The leveling part 405 is movably installed inside the receiving groove 402, and its upper and lower ends are fixedly installed with sliding blocks 4051. The size of the sliding blocks 4051 is the same as that of the sliding grooves 403, and there is a sliding connection;

[0061] The outer side wall of the leveling part 405 is provided with a placement groove 4052. The upper and lower ends of the placement groove 4052 are fixedly connected with bottom blocks 4053, and the top of the bottom blocks 4053 is fixedly connected with a contact end 4054;

[0062] The rear side of the leveling part 405 is fixedly connected with a pushing frame 406. The size of the pushing frame 406 is the same as that of the extension groove 404 and extends outward. One end of the pushing frame 406 extending outward is fixedly connected with a handle 407. A clamping block 408 is fixedly installed on one side of the handle 407 corresponding to the direction of the baffle 7. The size of the clamping block 408 is the same as that of the slot 701;

[0063] The staff first places the packaging bag inside the placement groove 4052 and fixes it through the contact end 4054. Then, manually hold the handle 407 to make the leveling part 405 move along the receiving groove 402 and the sliding groove 403 in cooperation with the sliding block 4051 until the clamping block 408 on one side of the handle 407 is inserted into the slot 701 to complete the fixation, which can complete the leveling operation of the packaging bag, so that it can extend flatly above the end face of the placement platform 1. Compared with the existing equipment, the leveling effect is better, and it can more effectively reduce the problem of stacking and wrinkling of the packaging bag during the cutting process;

[0064] The cutting mechanism 6 includes:

[0065] The carrier 601 is installed between two sets of mounting frames 5, and a fixing base 602 is fixedly installed at its bottom. Both sides of the bottom end face of the fixing base 602 are fixedly connected with fixing frames 603, and fixing rods 605 are fixedly connected to both the upper and lower sides between the two sets of fixing frames 603;

[0066] The cutting tool group 604 is arranged between the fixing frames 603 and is fixed by the fixing rods 605;

[0067] When the packaging bag is smoothly extended above the end face of the placement platform 1, the cutting tool group 604 can effectively perform cutting operations, improving the cutting efficiency of the device.

[0068] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A cutting device for film plastic packaging bags, characterized in that: include: A placement platform (1), wherein pillars (2) are arranged on both sides of the bottom of the placement platform (1), and a plate is arranged between two groups of the pillars (2) to ensure that the placement platform (1) is stably placed; A material guiding mechanism (3), the material guiding mechanism (3) being arranged on one side of the end surface of the placing platform (1) and being used for guiding and conveying the film plastic packaging bag; A flattening mechanism (4), the flattening mechanism (4) being arranged on the end surface of the placing platform (1) and located on one side of the material guiding mechanism (3), and being used for stretching the film plastic packaging bag to make it flatter; Wherein, a baffle (7) is fixedly installed on the other side of the leveling mechanism (4) at the end surface of the placement platform (1), and a groove (701) is formed on the inner side wall of the baffle (7); A cutting mechanism (6), wherein mounting grooves (101) are provided on both sides of the end surface of the placing platform (1) and are located outside the leveling mechanism (4), and mounting racks (5) are provided inside the two groups of mounting grooves (101), and the cutting mechanism (6) is arranged between the mounting racks (5) and is used for cutting the film plastic packaging bag; A connecting plate (8) is fixedly mounted on the outer wall of the placement platform (1), and a hydraulic component (9) is fixedly mounted on the connecting plate (8), which is specifically a hydraulic cylinder structure, and a hydraulic rod is movably connected to the output end.

2. A film plastic packaging bag cutting device according to claim 1, characterized in that: The hydraulic rod passes through the placement platform (1) and extends into the interior of the installation groove (101); one end of the hydraulic rod extending into the interior of the installation groove (101) is connected to the bottom side wall of the installation frame (5).

3. The cutting device for a film plastic packaging bag according to claim 1, characterized in that: The material guiding mechanism (3) comprises: A placement plate (301), wherein the placement plate (301) is fixedly connected to the end surface of the placement platform (1) by welding; Side frames (302), wherein two sets of side frames (302) are provided and are respectively fixedly mounted on both sides of the end surface of the placement plate (301); Limiting plates (303), wherein two groups of the limiting plates (303) are provided and are respectively arranged on the inner side walls of the side frame (302); A material guide cylinder (304), wherein the material guide cylinder (304) is fixedly installed between the two sets of limit plates (303); An auxiliary rotating shaft (305), wherein the auxiliary rotating shaft (305) passes through the side frame (302), the limiting plate (303) and the material guide cylinder (304), and shaft bushings (306) are fixedly connected on both sides of the auxiliary rotating shaft (305).

4. The cutting device for a film plastic packaging bag according to claim 1, characterized in that: The leveling mechanism (4) comprises: Leveling frames (401), both sides of the end surface of the placing platform (1) are fixedly mounted with leveling frames (401), the inner side walls of the two groups of leveling frames (401) are provided with receiving grooves (402), the upper and lower ends of the receiving grooves (402) are provided with sliding grooves (403), and the outer side walls of the leveling frames (401) are provided with extending grooves (404); A leveling portion (405), the leveling portion (405) is movably mounted inside the receiving groove (402), and a slider (4051) is fixedly mounted at the upper and lower ends thereof, the slider (4051) has the same size as the slide groove (403), and there is a sliding connection; The outer side wall of the leveling portion (405) is provided with a placement groove (4052), the upper and lower ends of the placement groove (4052) are fixedly connected to a bottom block (4053), and the top of the bottom block (4053) is fixedly connected to a contact end (4054); A push frame (406) is fixedly connected to the rear side of the leveling portion (405); the push frame (406) has a size that is consistent with the size of the extension slot (404) and extends outward; one end of the push frame (406) extending outward is fixedly connected to a handle (407); a clamping block (408) is fixedly installed on one side of the handle (407) in a direction corresponding to the baffle (7); the size of the clamping block (408) is consistent with the size of the slot (701).

5. The cutting device for a film plastic packaging bag according to claim 1, characterized in that: The cutting mechanism (6) comprises: A carrier frame (601), the carrier frame (601) is mounted between the two groups of mounting frames (5), and a fixing seat (602) is fixedly mounted on the bottom of the carrier frame, fixing frames (603) are fixedly connected to both sides of the bottom end surface of the fixing seat (602), and fixing rods (605) are fixedly connected to the upper and lower sides of the two groups of fixing frames (603); The cutting knife group (604) is arranged between the fixing frames (603) and fixed by a fixing rod (605).

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