High-precision energy-saving hot-melt knife blown film machine

Abstract

The utility model relates to the technical field of film blowing equipment, concretely relates to high accuracy energy -conserving hot melting cutter film blowing machine, including film blowing equipment and winding frame, winding frame sets up in one side of film blowing equipment, is provided with the winding drum in winding frame, the front end inboard of winding frame is fixed with the vertical rod, one side of vertical rod is provided with hot melting cutting device, including fixed in L type board, fixed in the receiving plate and the slide bar of sleeve setting in the middle part of receiving plate between L type board in hot melting cutting device, the middle part of slide bar is sleeved with the pressure contact board, the top of slide bar is fixed with the roof, both sides of the top of roof are all fixed with the pneumatic cylinder, the output of pneumatic cylinder is fixedly connected with the pressure contact board through the roof, in the up-and-down movement of the cutter head, can carry out automatic grinding cleaning to the blade, effectively removes the residual impurity on the blade, guarantees the sharpness of blade, reduces the cutting badness caused by blade pollution or passivation, and the clearance design between grinding block and receiving plate avoids the interference of cleaning process to receiving plate.

Description

Technical Field

[0001] This utility model relates to the field of blown film equipment technology, specifically to a high-precision energy-saving hot melt knife blown film machine. Background Technology

[0002] In the current film blowing production field, the cutting and winding processes of traditional film blowing machines often suffer from numerous technical challenges. Existing equipment often employs a single drive structure for its cutting devices, which can lead to issues such as blade wobbling and misalignment during the cutting process. This results in uneven film edges, affecting product quality, and making it difficult to guarantee precision, especially when processing films of different thicknesses or materials.

[0003] Meanwhile, after prolonged use, cutting blades are prone to developing film debris or impurities on their surface. If not cleaned promptly, this can further affect the cutting performance and even dull the blades. Traditional equipment often lacks automatic cleaning functions, requiring manual disassembly and sharpening of the blades periodically. This not only increases labor costs but also leads to production interruptions and reduces efficiency.

[0004] Some blown film machines have inadequate structural design, with insufficient fit between the cutting and winding components. This can lead to wrinkles and misalignment of the film during transport and winding, affecting winding quality. Furthermore, the equipment lacks flexibility in adjustment, making it difficult to quickly adapt to the production needs of films of different specifications. This lack of versatility limits the equipment's applicability. Utility Model Content

[0005] Technical problems to be solved

[0006] In view of the above-mentioned shortcomings of the existing technology, this utility model provides a high-precision energy-saving hot melt knife blown film machine, which can effectively solve the problems in the existing technology.

[0007] This utility model provides a high-precision, energy-saving hot melt knife blown film machine, including a blown film device and a take-up frame. The take-up frame is located on one side of the blown film device, and a take-up cylinder is installed inside the take-up frame. A vertical pole is fixed to the inner front end of the take-up frame, and a hot melt cutting device is installed on one side of the vertical pole. The hot melt cutting device includes a receiving plate fixed to an L-shaped plate, a receiving plate fixed between the L-shaped plates, and a sliding rod sleeved in the middle of the receiving plate. A pressing plate is sleeved in the middle of the sliding rod, and a top plate is fixed to the top of the sliding rod. Cylinders are fixed to both sides of the top of the top plate. The output end of the cylinder passes through the top plate and is fixedly connected to the pressing plate. A cutter head is fixed to the front end of the pressing plate, and a cleaning component is fixed to the top outer side of the receiving plate. The cleaning component includes a side plate fixed to the outside of the receiving plate and a grinding block structure fixed between the side plates. A grinding groove is opened in the middle of the grinding block structure.

[0008] Furthermore, the bottom end of the slide bar is provided with a threaded structure, and a nut is fitted on its outer side. Two sets of slide bars are provided on one side of the winding frame.

[0009] Furthermore, a sliding plate is integrally fixed to the outer side of the pressing plate, and a sliding hole is provided in the middle of the sliding plate.

[0010] Furthermore, the pressing plate has an L-shaped plate structure, and the cutting head includes a blade and a connecting bolt for fixing the blade, with the fixing blade fixed to the outside of the pressing plate.

[0011] Furthermore, the grinding groove is a triangular through-type structure that is larger at the top and smaller at the bottom, and the size of the grinding groove is adapted to the size of the blade, and there is a gap between the grinding block and the receiving plate.

[0012] Furthermore, the height of the receiving plate is lower than the height of the uprights, and a roller structure is fixed between the uprights.

[0013] In this invention, the design of a double-set sliding rod combined with an L-shaped pressing plate, along with a cylinder-driven pressing plate that moves the cutter head, enables stable and high-precision cutting, ensuring neat film edges and improving product quality. The cutter head uses a combination structure of blades and connecting bolts, facilitating blade replacement and maintenance, and reducing equipment maintenance costs. The triangular through-type grinding groove, wider at the top and narrower at the bottom, is adapted to the blade size, automatically grinding and cleaning the blade during its up-and-down movement. This effectively removes residual impurities, ensuring blade sharpness and reducing poor cutting due to blade contamination or dulling. The gap design between the grinding block and the receiving plate prevents interference with the receiving plate during cleaning. The threaded structure at the bottom of the sliding rod, in conjunction with a nut, allows for flexible adjustment of the sliding rod's position to adapt to the cutting needs of films of different thicknesses, enhancing the equipment's versatility. The sliding plate and sliding hole design on the outer side of the pressing plate further improves the stability of the pressing plate's movement, ensuring the accuracy of the cutting process.

[0014] The receiving plate is lower than the uprights and the fixed roller structure between the uprights provides reasonable space for cutting operations and effectively guides and supports the film through the roller structure. Combined with the winding action of the winding frame, the film remains stable during transmission and winding, reducing wrinkles, deviations and other problems, and improving production efficiency. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the winding frame, hot melt cutting device and winding drum of this utility model;

[0018] Figure 3 This is a schematic diagram of the hot melt cutting device in this utility model;

[0019] Figure 4 This is an exploded view of the hot melt cutting device in this utility model;

[0020] Figure 5 This is a cross-sectional view of the cleaning component in this utility model.

[0021] The labels in the diagram represent: 1. Blown film equipment; 2. Rewinding frame; 21. Upright pole; 3. Hot melt cutting device; 31. L-shaped plate; 32. Support plate; 33. Pressing plate; 331. Slide plate; 34. Top plate; 341. Slide rod; 35. Cylinder; 36. Cleaning assembly; 361. Side plate; 362. Grinding groove; 37. Cutting head; 371. Connecting bolt; 372. Blade; 4. Rewinding drum. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0023] The present invention will be further described below with reference to the embodiments.

[0024] Example: High-precision energy-saving hot melt knife blown film machine, see attached diagram. Figure 1 - Appendix Figure 5The system includes a blown film extrusion device 1 and a take-up frame 2. The take-up frame 2 is located on one side of the blown film extrusion device 1. A take-up drum 4 is installed inside the take-up frame 2. A vertical pole 21 is fixed to the inner side of the front end of the take-up frame 2. A hot melt cutting device 3 is installed on one side of the vertical pole 21. The hot melt cutting device 3 includes a receiving plate 32 fixed to an L-shaped plate 31, a receiving plate 32 fixed between the L-shaped plates 31, and a sliding rod 341 sleeved in the middle of the receiving plate 32. A pressing plate 33 is sleeved in the middle of the sliding rod 341. A top plate 34 is fixed to the top of the sliding rod 341. Cylinders 35 are fixed to both sides of the top of the top of the top plate 34. The output end of the cylinder 35 passes through the top plate 34 and is fixedly connected to the pressing plate 33. A front end of the pressing plate 33 is fixed with... The cutting head 37 is attached to a cleaning component 36 fixed to the outer top of the receiving plate 32. The cleaning component 36 includes a side plate 361 fixed to the outside of the receiving plate 32 and a grinding block structure fixed between the side plates 361. A grinding groove 362 is provided in the middle of the grinding block structure. In terms of high precision and stability, the design of the double sliding rods 341 with the bottom thread structure and nut not only locks the position of the sliding rods 341 through the nut to prevent the sliding rods 341 from shaking during operation, but also makes the lifting and lowering movement of the pressing plate 33 driven by the cylinder 35 more stable with the symmetrical support of the two sets of sliding rods 341, minimizing the offset error during cutting and controlling the film cutting accuracy within a finer range to meet the processing requirements of high-specification film products. The slide plate 331 and sliding hole fixed integrally on the outside of the pressing plate 33 can form a sliding fit with other structures of the equipment, further constraining the movement trajectory of the pressing plate 33 and ensuring the accuracy of the cutting action from multiple dimensions.

[0025] The bottom end of the slide rod 341 is threaded, and a nut is fitted on its outer side. Two sets of slide rods 341 are simultaneously provided on one side of the winding frame 2. Compared with traditional motor drive, the cylinder 35 drive method has lower energy consumption and faster response speed, reducing ineffective energy consumption and conforming to the concept of energy saving. At the same time, the automatic grinding function of the cleaning component 36 eliminates the step of manually cleaning the blade 372, avoiding production interruptions caused by machine downtime for cleaning, and significantly improving the continuous operation capability of the equipment. The triangular structure of the grinding groove 362, which is larger at the top and smaller at the bottom, can form a gradual grinding force when the blade 372 enters the grinding groove 362, which not only ensures the grinding effect but also reduces the wear of the blade 372, extends the service life of the blade 372, reduces the frequency of consumable replacement, indirectly improves production efficiency and saves costs.

[0026] A sliding plate 331 is integrally fixed to the outer side of the pressing plate 33, and a sliding hole is provided in the middle of the sliding plate 331. The pressing plate 33 has an L-shaped plate structure. The cutter head 37 includes a blade 372 and a connecting bolt 371 for fixing the blade 372. The fixed blade 372 is fixed to the outer side of the pressing plate 33. The height of the receiving plate 32 is lower than the height of the upright 21, and a roller structure is fixed between the uprights 21. The adjustability of the sliding rod 341 allows the equipment to easily handle the cutting of films of different thicknesses and materials, expanding the applicability of the equipment and enhancing its market competitiveness. The combination structure of the blade 372 and the connecting bolt 371 of the cutter head 37 allows the blade 372 to be replaced without complicated tools, making the operation simple and quick and reducing equipment maintenance time. The support structure is lower than the uprights 21, and the roller structure between the uprights 21 can tension and guide the film, preventing wrinkles caused by slack during the transmission process, ensuring that the film is flat before cutting, and providing a prerequisite for high-precision cutting. At the same time, this structural layout makes the division of labor of each component of the equipment clear, makes reasonable use of space, and facilitates the operator to observe and maintain the key parts of the equipment.

[0027] The grinding groove 362 has a triangular through-type structure that is wider at the top and narrower at the bottom. The size of the grinding groove 362 is adapted to the size of the blade 372, and there is a gap between the grinding block and the receiving plate 32. This gap design prevents grinding debris from accumulating on the receiving plate 32, avoiding contamination of the film and ensuring product cleanliness. The L-shaped plate structure of the pressing plate 33 allows for a more reasonable installation position of the blade 37, better meeting the cutting requirements of the film, improving cutting efficiency while reducing film waste. The compactness of the overall structure saves production space, reduces vibration and noise during equipment operation, and improves the production environment.

[0028] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of this utility model.

Claims

1. A high-precision, energy-saving hot melt knife blown film machine, characterized in that, The device includes a blown film equipment (1) and a take-up frame (2). The take-up frame (2) is located on one side of the blown film equipment (1). A take-up cylinder (4) is installed inside the take-up frame (2). A vertical pole (21) is fixed to the inner side of the front end of the take-up frame (2). A hot melt cutting device (3) is installed on one side of the vertical pole (21). The hot melt cutting device (3) includes a receiving plate (32) fixed to an L-shaped plate (31), a receiving plate (32) fixed between the L-shaped plates (31), and a sliding rod (341) sleeved in the middle of the receiving plate (32). A pressing plate (33) is sleeved in the middle of the sliding rod (341). A top plate (34) is fixed to the top of the rod (341). Cylinders (35) are fixed to both sides of the top of the top of the top plate (34). The output end of the cylinder (35) passes through the top plate (34) and is fixedly connected to the pressing plate (33). A cutter head (37) is fixed to the front end of the pressing plate (33). A cleaning component (36) is fixed to the top of the outer side of the receiving plate (32). The cleaning component (36) includes a side plate (361) fixed to the outer side of the receiving plate (32) and a grinding block structure fixed between the side plate (361). A grinding groove (362) is opened in the middle of the grinding block structure.

2. The high-precision energy-saving hot melt knife blown film machine according to claim 1, characterized in that, The bottom end of the slide rod (341) is provided with a threaded structure and a nut is sleeved on its outer side. Two sets of slide rods (341) are provided on one side of the winding frame (2).

3. The high-precision energy-saving hot melt knife blown film machine according to claim 1, characterized in that, The outer side of the pressing plate (33) is integrally fixed with a sliding plate (331), and a sliding hole is provided in the middle of the sliding plate (331).

4. The high-precision energy-saving hot melt knife blown film machine according to claim 1, characterized in that, The pressing plate (33) is an L-shaped plate structure. The cutting head (37) includes a blade (372) and a connecting bolt (371) for fixing the blade (372). The fixing blade (372) is fixed to the outside of the pressing plate (33).

5. The high-precision energy-saving hot melt knife blown film machine according to claim 4, characterized in that, The grinding groove (362) is a triangular through-type structure with a larger upper part and a smaller lower part. The size of the grinding groove (362) is adapted to the size of the blade (372), and there is a gap between the grinding block and the receiving plate (32).

6. The high-precision energy-saving hot melt knife blown film machine according to claim 1, characterized in that, The height of the receiving plate (32) is lower than the height of the upright (21), and a roller structure is fixed between the uprights (21).

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