Preservative film cutter
By using a spring-driven flat roll in the plastic wrap cutting knife to tighten and lay the plastic wrap, the problem of wrinkles caused by friction during cutting plastic wrap in the prior art is solved, and the cutting efficiency and product quality are improved.
Patent Information
- Application Number
- CN202421324393.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-06-11
AI Technical Summary
When the existing plastic wrap cutting knife is used, the tool and the plastic wrap are in contact and friction, causing the plastic wrap to move, obvious wrinkles appear at the cutting position, which reduces product quality.
A plastic wrap cutting knife was designed, and the plastic wrap was pressed and flattened with a spring-driven flat roller to prevent the mold cutting tool from causing wrinkles to the plastic wrap.
By tightening and flattening the plastic wrap, the wrinkle problem of the plastic wrap during the cutting process is avoided, and the cutting efficiency and product quality are improved.
Smart Images

Figure CN222537830U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of cling film processing, in particular to a cling film cutting knife. Background Art
[0002] The plastic wrap cutter is a small tool used to conveniently cut plastic wrap or food packaging film. It is generally used in conjunction with plastic wrap production equipment and installed on the plastic wrap production equipment. After the plastic wrap production is completed, according to the specification requirements, the operator needs to control the machine to cut the plastic wrap into corresponding widths. At this time, the cutter is needed to process it. However, when the existing cutter is used, there will be a problem of contact and friction between the cutter and the plastic wrap, thereby driving the plastic wrap to move. This will cause obvious wrinkles at the cutting position of the plastic wrap, reducing product quality.
[0003] Therefore, a kind of preservative film cutting knife is now developed for the problems referred to above. Utility Model Content
[0004] In order to overcome the problem that when the existing device is used, there will be contact and friction between the cutter and the cling film, thereby driving the cling film to move, which will cause obvious wrinkles at the cutting position of the cling film and reduce the product quality, the utility model provides a cling film cutting knife.
[0005] The technical implementation scheme of the utility model is: a plastic wrap cutting knife, including a mounting part, a fastening bolt is threadedly connected to the left part of the mounting part, two knife grooves are formed on the mounting part, a die-cutting tool is slidably connected in the knife groove on the lower side, two clamping bolts are threadedly connected to the front side of the mounting part, and the right part of the mounting part is connected to two upper and lower symmetrical fixing seats by bolts, the fixing seats are slidably provided with sliding plates, the fixing seats are threadedly connected with locking bolts, the sliding plates are slidably connected with sliding blocks, springs are connected between the sliding blocks and the adjacent sliding plates, and flattening rollers for pressing and flattening the plastic wrap are rotatably connected between the inner sides of the sliding blocks.
[0006] Optionally, a mounting seat is further included, two mounting seats are connected to the upper side of the mounting member by bolts, a nozzle is connected between the mounting seats, and an air intake pipe is connected to the left side of the nozzle.
[0007] Optionally, a circular mounting hole is provided on the mounting member for connecting to a corresponding device.
[0008] Optionally, the knife groove is an inclined structure.
[0009] Optionally, the front sides of the locking bolts are provided with power-assisting rings.
[0010] Optionally, the right part of the nozzle is a flat structure.
[0011] By adopting the above technical solution, compared with the prior art, the utility model has the following advantages:
[0012] The utility model discloses a plastic wrap film cutting machine, and the plastic wrap film cutting machine is provided with a plurality of rollers, and the plurality of rollers are provided with ... BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.
[0014] Figure 2 It is a partial cross-sectional three-dimensional structural schematic diagram of the utility model.
[0015] Figure 3 It is a partial three-dimensional structural schematic diagram of the utility model.
[0016] The meanings of the reference numerals in the figure are: 1: mounting part, 2: fastening bolt, 3: die-cutting tool, 4: clamping bolt, 5: fixing seat, 6: sliding plate, 7: locking bolt, 8: sliding block, 9: spring, 10: flat roller, 11: mounting seat, 12: nozzle, 13: air intake pipe. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] A plastic wrap cutting knife, such as Figure 1-Figure 3As shown, it includes a mounting member 1, a fastening bolt 2 is threadedly connected to the left side of the mounting member 1, a circular mounting hole is opened on the mounting member 1 for connecting with the corresponding equipment, two knife grooves are opened on the mounting member 1, and the knife groove is an inclined structure. A die-cutting tool is slidably connected in the knife groove on the lower side, and the die-cutting tool can be placed in any knife groove as needed. Two clamping bolts 4 are threadedly connected to the front side of the mounting member 1, and the front sides of the locking bolts 7 are provided with power-assisting rings. The locking bolts 7 are used to clamp and fix the die-cutting tool. Two upper and lower symmetrical fixing seats 5 are connected to the right side of the mounting member 1 by bolts, and sliding plates 6 are slidably arranged on the fixing seats 5. Locking bolts 7 are threadedly connected on the fixing seats 5, and the locking bolts 7 are used to lock and fix adjacent sliding plates 6. Sliding blocks 8 are slidably connected to the sliding plates 6, and springs 9 are connected between the sliding blocks 8 and the adjacent sliding plates 6. Flattening rollers 10 for compressing and flattening the cling film are rotatably connected between the inner sides of the sliding blocks 8.
[0019] like Figure 1 As shown, it also includes a mounting seat 11. Two mounting seats 11 are connected to the upper side of the mounting member 1 by bolts. A nozzle 12 is connected between the mounting seats 11. An air intake pipe 13 is connected to the left side of the nozzle 12. The right part of the nozzle 12 is a flat structure.
[0020] It should be noted that after the production of the cling film is completed, according to the specifications, the operator needs to control the machine to cut the cling film into the corresponding width. At this time, the present device can be used for operation and processing. First, rotate the fastening bolt 2 to unlock the mounting part 1, and then slide the mounting part 1 to the cutting position. After the adjustment is completed, rotate the fastening bolt 2 in the opposite direction to fix the mounting part 1. Then, insert the die-cutting tool into the corresponding knife groove according to the position of the cling film, and then use the clamping bolt 4 to clamp and fix the die-cutting tool. Then, rotate the locking bolt 7 according to the position of the cling film so that the sliding plate 6 is no longer subject to the compression limit. Slide and adjust the position of the sliding plate 6 so that the flattening roller 10 can form contact and compression with the cling film. After the processing is completed, start the machine to operate normally. During the cutting operation, as the plastic wrap comes into contact with the die-cutting tool, the flattening roller 10 will also come into contact with the plastic wrap, thereby preventing the die-cutting tool from moving the plastic wrap during the cutting process, causing wrinkles in the plastic wrap. At the same time, during the contact between the flattening roller 10 and the plastic wrap, the spring 9 will exert force on the sliding block 8, so that the flattening roller 10 maintains close contact with the plastic wrap. It should be noted that during the cutting process, the air inlet pipe 13 can be connected to the air supply equipment. After the connection is completed, the air supply equipment is started. The air supply equipment sends the airflow into the nozzle 12, and relies on the flat structure on the right side of the nozzle 12 to converge the airflow, so that the airflow can directly impact the plastic wrap, on the one hand, the plastic wrap is dusted, and on the other hand, the auxiliary flattening roller ensures the flatness of the plastic wrap.
[0021] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes may be made to the embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A plastic wrap cutting knife, characterized by: The invention comprises a mounting member (1), wherein the left part of the mounting member (1) is threadedly connected with a fastening bolt (2), the mounting member (1) is provided with two knife grooves, a die-cutting knife (3) is slidably connected in the knife groove on the lower side, the front side of the mounting member (1) is threadedly connected with two clamping bolts (4), the right part of the mounting member (1) is boltedly connected with two upper and lower symmetrical fixing seats (5), the fixing seats (5) are slidably provided with sliding plates (6), the fixing seats (5) are threadedly connected with locking bolts (7), the sliding plates (6) are slidably connected with sliding blocks (8), the sliding blocks (8) and the adjacent sliding plates (6) are connected with springs (9), and the inner sides of the sliding blocks (8) are rotatably connected with flattening rollers (10) for compacting and flattening the cling film.
2. A plastic wrap cutter according to claim 1, characterized in that: It also includes a mounting seat (11), wherein two mounting seats (11) are connected to the upper side of the mounting member (1) via bolts, a nozzle (12) is connected between the mounting seats (11), and an air intake pipe (13) is connected to the left side of the nozzle (12).
3. A plastic wrap cutter according to claim 1, characterized in that: The mounting piece (1) is provided with a circular mounting hole for connecting to corresponding equipment.
4. A plastic wrap cutter according to claim 1, characterized in that: The knife groove is an inclined structure.
5. A plastic wrap cutter according to claim 1, characterized in that: The front sides of the locking bolts (7) are each provided with a power assist ring.
6. A plastic wrap cutter according to claim 2, characterized in that: The right part of the nozzle (12) is a flat structure.