Cutter mechanism of film laminating machine

By designing a rotary membrane feeding device, membrane cutting device and knife cutting pillow assembly in the lamination machine, combined with cylinder driving and compression device, the problem of uneven cut of flexible membranes is solved, efficient and safe film cutting is achieved, and production efficiency is improved.

CN223173050UActive Publication Date: 2025-08-01SHANGHAI JINBU MASCH TECH DEV CO LTD
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Patent Information

Application Number
CN202422401143.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-08-01
Estimated Expiration
2034-09-30

AI Technical Summary

Technical Problem

Existing shearing devices are difficult to ensure the flatness of the flexible film incision, resulting in the problem of uneven incision.

Method used

A film-coated cutting mechanism is designed, including a rotary membrane feeding device, a membrane cutting device and a knife pillow assembly. The tool holder is driven by the cylinder and the membrane material is pressed by a pressing device. Combined with a serrated cutting knife and a position adjustment device, the precise cutting of the flexible membrane is achieved.

Benefits of technology

Without increasing the cost of the equipment, the cutting order of the flexible film is improved, the production efficiency is improved, and the safety and service life of the equipment are improved through the compression device and the buffer structure.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223173050U_ABST
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Abstract

The utility model belongs to the field of plate production equipment, and discloses a film laminating machine cutter mechanism which comprises two vertical plates, a rotary film feeding device, a film cutting device and a cutter pillow assembly are arranged between the two vertical plates, and the cutter pillow assembly is arranged below the film cutting device. The rotary film conveying device conveys a plate pasting film to the position between the film cutting device and the cutter pillow assembly to be cut. The film cutting device is arranged on one side of the rotary film feeding device, a plate film is fed between the film cutting device and the cutter pillow assembly through the rotary film feeding device, the cutter rest is driven by the first air cylinder to move towards the cutter pillow assembly, and the plate film is pressed on the top face of the cutter pillow plate through the pressing device. After the surface of a film is tensioned through the two film pressing strips, the cutter continues to move, a plate is cut neatly for film pasting, the pressing device is arranged, the problem that a flexible film is not easy to cut neatly in the production process is effectively solved, and the production efficiency of plate film pasting is effectively improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal production equipment, and particularly relates to a cutting knife mechanism of a film laminating machine. Background Art

[0002] In the process of sheet metal production, a film laminating process needs to be carried out on the sheet. In this process, the rolled film needs to be cut into the same size as the sheet before being applied. At present, most of the used cutting devices adopt a scissor-type cutting method. Since the film is very soft and the cutting device usually has high requirements for the fitting clearance between the two cutting knives and is difficult to achieve, the situation of uneven cut edges often occurs. Therefore, it is necessary to redesign the cutting knife mechanism of the film laminating machine to solve the above problems regarding the flatness of the film cut edges. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a cutting knife mechanism of a film laminating machine, aiming to solve the above technical problems existing in the prior art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A cutting knife mechanism of a film laminating machine includes two vertical plates. A rotary film feeding device, a film cutting device and a cutting knife pillow assembly are arranged between the two vertical plates. The cutting knife pillow assembly is arranged below the film cutting device. The rotary film feeding device conveys the sheet film into the space between the film cutting device and the cutting knife pillow assembly for cutting.

[0006] The film cutting device includes a cylinder 1. The cylinder block of the cylinder 1 is fixedly installed at the center of the top of the installation beam. The installation beam is fixedly installed between the two vertical plates. The telescopic shaft of the cylinder 1 passes through the bottom of the installation beam and is fixedly installed at the middle of the tool rest. Linear bearing assemblies are arranged near the left and right sides of the installation beam. The tool rest is slidably connected to the installation beam through two groups of the linear bearing assemblies. A cutting knife is fixedly installed along the length direction at the bottom of the tool rest. A pressing device is arranged at the bottom of the tool rest. The cutting knife is arranged in the middle of the pressing device.

[0007] The cutting knife pillow assembly includes a position adjustment device. The position adjustment device is fixedly installed between the two vertical plates. The adjustment end of the position adjustment device is fixedly installed with a knife pillow plate. A lower knife groove is opened at the middle of the knife pillow plate corresponding to the cutting knife. The position of the knife pillow plate is adjusted through the position adjustment device to align the lower knife groove with the cutting knife. Installation cross beams are arranged at the bottom of the knife pillow plate and on both sides of the lower knife groove respectively. The installation cross beams are fixedly installed with the knife pillow plate. The installation cross beams are fixedly installed between the two vertical plates.

[0008] The sheet film is sent to the top of the knife rest plate through the rotary film feeding device. The first cylinder drives the displacement of the tool holder. The pressing device presses the sheet film against the top of the knife rest plate. The cutting knife cuts the sheet film and extends into the lower knife groove.

[0009] In a preferred embodiment of the present invention, the film cutting device is arranged at an acute angle with the horizontal plane, and the cutting knife is perpendicular to the knife rest plate.

[0010] In a preferred embodiment of the present invention, the cutting edge of the cutting knife is serrated.

[0011] In a preferred embodiment of the present invention, the pressing device includes a plurality of oil-free bushings. The plurality of oil-free bushings are divided into two groups with equal numbers and are arranged at equal intervals along the length direction and fixedly installed with the tool holder. A film pressing guide rod is slidably connected inside the oil-free bushing. The bottom ends of each group of film pressing guide rods are fixedly installed with a film pressing strip. A film pressing spring is sleeved outside each film pressing guide rod. The two ends of the film pressing spring are respectively fixedly connected with the bottom of the tool holder and the top of the film pressing strip. The cutting edge of the cutting knife is located between the two film pressing strips.

[0012] In a preferred embodiment of the present invention, the position adjusting device includes an adjusting block. The adjusting block is fixedly installed on the surface of the vertical plate and close to the knife rest plate. An adjusting rod is slidably connected to the middle of the adjusting block. One end of the adjusting rod is fixedly connected with the knife rest plate. Two locking nuts are threadedly connected to the surface of the adjusting rod. The adjusting rod is fastened to the adjusting block through the two locking nuts.

[0013] In a preferred embodiment of the present invention, the rotary film feeding device includes a driving roller. The driving roller is connected by bearings between the two vertical plates. One end of the shaft body of the driving roller passes through one side of the vertical plate and is fixedly installed with the output shaft of the reduction motor through a coupling. The reduction motor is fixedly installed with one side of the vertical plate.

[0014] In a preferred embodiment of the present invention, a film pressing device is arranged on one side of the rotary film feeding device. The film pressing device includes a film pressing roller. The middle of the film pressing roller is connected by bearings with a rotating shaft. The two ends of the rotating shaft are respectively fixedly installed with the telescopic shafts of two second cylinders. The two second cylinders are respectively fixedly installed with the two vertical plates. The film pressing roller is jointly driven by the two second cylinders to press the sheet film against the outer wall of the driving roller.

[0015] The beneficial effects of the present invention are:

[0016] The utility model provides a film cutting device on one side of a rotary film feeding device, and the sheet film is fed into between the film cutting device and the cutting pillow assembly through the rotary film feeding device, and the knife holder is driven to move toward the cutting pillow assembly by a cylinder, and the sheet film is pressed against the top surface of the knife pillow plate by a clamping device, so that after the film surface is stretched by two film pressing strips, the cutter continues to move, thereby neatly cutting the sheet film. By providing a clamping device, the production process in which flexible films are difficult to cut neatly is effectively solved. Through the simple and ingenious structural setting of this mechanism, the production efficiency of sheet film is effectively improved without increasing the equipment cost, and it is worthy of vigorous promotion in the industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front planar structure of the present utility model;

[0018] Figure 2 It is a schematic diagram of the side sectional plan structure of the utility model.

[0019] Attached figures: 1. Vertical plate; 2. Linear bearing assembly; 3. Rotary film feeding device; 31. Reducer motor; 32. Coupling; 33. Active roller; 4. Film cutting device; 41. Cylinder 1; 42. Mounting beam; 43. Knife holder; 44. Pressing device; 441. Film pressing guide rod; 442. Oil-free bushing; 443. Film pressing spring; 444. Film pressing strip; 45. Cutter; 5. Film pressing device; 51. Film pressing roller; 52. Rotating shaft; 53. Cylinder 2; 6. Cutter pillow assembly; 61. Knife pillow plate; 611. Lower knife groove; 62. Mounting beam; 63. Adjustment block; 64. Adjustment rod. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly introduced below in conjunction with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structures of the drawings is only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.

[0021] Example:

[0022] like Figure 1-2 As shown, this embodiment provides a laminating machine cutting mechanism, including two vertical plates 1, between which a rotary film feeding device 3, a film cutting device 4 and a cutter pillow assembly 6 are arranged. The cutter pillow assembly 6 is arranged below the film cutting device 4. The rotary film feeding device 3 conveys the sheet film into the space between the film cutting device 4 and the cutter pillow assembly 6 for cutting.

[0023] The film cutting device 4 includes a first cylinder 41. The cylinder block of the first cylinder 41 is fixedly installed at the center of the top of the installation beam 42. The installation beam 42 is fixedly installed between two vertical plates 1. The telescopic shaft of the first cylinder 41 passes through the bottom of the installation beam 42 and is fixedly installed at the middle of the tool rest 43. Linear bearing assemblies 2 are arranged near the left and right sides of the installation beam 42. The tool rest 43 is slidably connected to the installation beam 42 through two groups of linear bearing assemblies 2. A cutting knife 45 is fixedly installed along the length direction at the bottom of the tool rest 43. A pressing device 44 is arranged at the bottom of the tool rest 43. The cutting knife 45 is arranged in the middle of the pressing device 44;

[0024] The cutting knife pillow assembly 6 includes a position adjustment device. The position adjustment device is fixedly installed between two vertical plates 。The adjustment end of the position adjustment device is fixedly installed with the tool rest plate 61. A lower knife groove 611 is opened at the middle of the tool rest plate 61 corresponding to the cutting knife 45. The position of the tool rest plate 61 is adjusted through the position adjustment device to align the lower knife groove 611 with the cutting knife 45. Installation cross beams 62 are arranged at the bottom of the tool rest plate 61 and on both sides of the lower knife groove 611 respectively. The installation cross beams 62 are fixedly installed with the tool rest plate 61. The installation cross beams 62 are fixedly installed between two vertical plates 1;

[0025] The sheet material film is sent to the top of the tool rest plate 61 through the rotary film feeding device 3. The first cylinder 41 drives the tool rest 43 to displace. The pressing device 44 presses the sheet material film on the top of the tool rest plate 61. The cutting knife 45 cuts off the sheet material film and extends into the lower knife groove 611.

[0026] In a preferred embodiment of the present utility model, further, the film cutting device 4 is arranged at an acute angle with the horizontal plane, and the cutting knife 45 is perpendicular to the tool rest plate 61.

[0027] In a preferred embodiment of the present utility model, further, the cutting edge of the cutting knife 45 is arranged in a serrated shape.

[0028] Specifically, by arranging the film cutting device 4 on one side of the rotary film feeding device 3, the sheet material film is sent into the space between the film cutting device 4 and the cutting knife pillow assembly 6 through the rotary film feeding device 3. The first cylinder 41 drives the tool rest 43 to move towards the cutting knife pillow assembly 6, and the pressing device 44 presses the sheet material film on the top surface of the tool rest plate 61. After the surface of the film is tensioned by two pressing strips 444, the cutting knife 45 continues to move, so as to neatly cut the sheet material film. By setting the pressing device 44, the production process that the flexible film is not easy to be cut neatly is effectively solved. Through the simple and ingenious structural setting of this mechanism, without increasing the equipment cost, the production efficiency of the sheet material film is effectively improved, and it is worthy of being vigorously promoted in the industry.

[0029] In a preferred embodiment of the present utility model, further, the pressing device 44 includes a plurality of oil-free bushings 442. The plurality of oil-free bushings 442 are divided into two groups with equal numbers and are equidistantly arranged along the length direction and fixedly installed with the tool rest 43. A film pressing guide rod 441 is slidably connected inside the oil-free bushing 442. The bottom ends of each group of film pressing guide rods 441 are fixedly installed with a film pressing strip 444. A film pressing spring 443 is sleeved outside each film pressing guide rod 441. The two ends of the film pressing spring 443 are respectively fixedly connected with the bottom of the tool rest 43 and the top of the film pressing strip 444. The cutting knife 45 is located between the two film pressing strips 444.

[0030] Specifically, by the film pressing strip 444 contacting the tool rest plate 61, the film pressing spring 443 is compressed and slides under the guidance of the film pressing guide rod 441. While pressing the film, the cutting knife 45 is exposed for cutting. The film pressing spring 443 plays a role in pressing the film and buffering the pressure of the equipment, so that the mechanism is safer and more stable during use, effectively improving the service life of the equipment and preventing the cutting knife 45 from being accidentally damaged.

[0031] In a preferred embodiment of the present utility model, further, the position adjusting device includes an adjusting block 63. The adjusting block 63 is fixedly installed on the surface of the vertical plate 1 and near the tool rest plate 61. A middle part of the adjusting block 63 is slidably connected with an adjusting rod 64. One end of the adjusting rod 64 is fixedly connected with the tool rest plate 61. Two locking nuts are threadedly connected to the surface of the adjusting rod 64. The adjusting rod 64 is tightly connected with the adjusting block 63 through the two locking nuts.

[0032] In a preferred embodiment of the present utility model, further, the rotating film feeding device 3 includes a driving roller 33. The driving roller 33 is connected by bearings between the two vertical plates 1. One end of the shaft body of the driving roller 33 passes through the vertical plate 1 on one side and is fixedly installed with the output shaft of the reduction motor 31 through a coupling 32. The reduction motor 31 is fixedly installed with the vertical plate 1 on one side.

[0033] In a preferred embodiment of the present utility model, further, a film pressing device 5 is arranged on one side of the rotating film feeding device 3. The film pressing device 5 includes a film pressing roller 51. A middle part of the film pressing roller 51 is connected by bearings with a rotating shaft 52. The two ends of the rotating shaft 52 are respectively fixedly installed with the telescopic shafts of two cylinders II 53. The two cylinders II 53 are respectively fixedly installed with the two vertical plates 1. The film pressing roller 51 is jointly driven by the two cylinders II 53 to press the sheet material film tightly against the outer wall of the driving roller 33. The film pressing roller 51 is driven by the cylinder II 53 to assist the driving roller 33 in feeding the film, so that the film is more stable and smooth during the output process.

[0034] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not intended to limit the protection scope of the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A cutting knife mechanism of a film laminating machine, comprising two vertical plates (1), characterized in that, A rotating film feeding device (3), a film cutting device (4) and a cutter pillow assembly (6) are arranged between the two vertical plates (1). The cutter pillow assembly (6) is arranged below the film cutting device (4). The rotating film feeding device (3) conveys the sheet material with film to enter between the film cutting device (4) and the cutter pillow assembly (6) for cutting. The film cutting device (4) includes a first cylinder (41). The cylinder block of the first cylinder (41) is fixedly installed at the center of the top of the installation beam (42). The installation beam (42) is fixedly installed between the two vertical plates (1). The telescopic shaft of the first cylinder (41) passes through the bottom of the installation beam (42) and is fixedly installed at the middle of the tool rest (43). Linear bearing assemblies (2) are arranged near the left and right sides of the installation beam (42). The tool rest (43) is slidably connected to the installation beam (42) through the two groups of linear bearing assemblies (2). A cutting knife (45) is fixedly installed along the length direction at the bottom of the tool rest (43). A pressing device (44) is arranged at the bottom of the tool rest (43). The cutting knife (45) is arranged in the middle of the pressing device (44). The cutter pillow assembly (6) includes a position adjusting device. The position adjusting device is fixedly installed between the two vertical plates (1). The adjusting end of the position adjusting device is fixedly installed with a cutter pillow plate (61). A lower knife groove (**611**) is opened at the middle of the cutter pillow plate (61) corresponding to the cutting knife (45). The position of the cutter pillow plate (61) is adjusted through the position adjusting device to align the lower knife groove (**611**) with the cutting knife (45). Installation cross beams (62) are arranged at the bottom of the cutter pillow plate (61) and on both sides of the lower knife groove (**611**) respectively. The installation cross beams (62) are fixedly installed with the cutter pillow plate (61). The installation cross beams (62) are fixedly installed between the two vertical plates (1). The sheet material with film is sent to the top of the cutter pillow plate (61) through the rotating film feeding device (3). The first cylinder (41) drives the tool rest (43) to displace. The pressing device (44) presses the sheet material with film on the top of the cutter pillow plate (61). The cutting knife (45) cuts off the sheet material with film and extends into the lower knife groove (**611**).

2. The cutter mechanism of the film laminating machine according to claim 1, wherein The film cutting device (4) is arranged at an acute angle with the horizontal plane. The cutting knife (45) is arranged perpendicular to the cutter pillow plate (61).

3. The cutting tool mechanism of the film laminating machine according to claim 2, characterized in that, The cutting edge of the cutting knife (45) is arranged in a serrated shape.

4. The cutting knife mechanism of the film laminating machine according to claim 3, characterized in that, The pressing device (44) includes a plurality of oil-free bushings (442). The plurality of oil-free bushings (442) are divided into two groups with equal numbers and are equidistantly arranged along the length direction and fixedly installed with the tool rest (43). A film pressing guide rod (441) is slidably connected inside the oil-free bushing (442). The bottom ends of each group of film pressing guide rods (441) are fixedly installed with a film pressing strip (444). A film pressing spring (443) is sleeved outside each film pressing guide rod (441). Two ends of the film pressing spring (443) are respectively fixedly connected with the bottom of the tool rest (43) and the top of the film pressing strip (444). The cutting edge of the cutting tool (45) is located between the two film pressing strips (444).

5. The cutting tool mechanism of the film laminating machine according to claim 4, characterized in that, The position adjustment device includes an adjusting block (63). The adjusting block (63) is fixedly installed on the surface of the vertical plate (1) and near the tool rest plate (61). An adjusting rod (64) is slidably connected to the middle of the adjusting block (63). One end of the adjusting rod (64) is fixedly connected with the tool rest plate (61). Two locking nuts are threadedly connected to the surface of the adjusting rod (64). The adjusting rod (64) is tightly connected with the adjusting block (63) through the two locking nuts.

6. The cutter mechanism of the film laminating machine according to claim 1, wherein The rotary film feeding device (3) includes a driving roller (33). The driving roller (33) is connected by bearings between the two vertical plates (1). One end of the shaft body of the driving roller (33) passes through the vertical plate (1) on one side and is fixedly installed with the output shaft of the reduction motor (31) through a coupling (32). The reduction motor (31) is fixedly installed with the vertical plate (1) on one side.

7. The cutter mechanism of the film laminating machine according to claim 6, characterized in that, A film pressing device (5) is arranged on one side of the rotary film feeding device (3). The film pressing device (5) includes a film pressing roller (51). A rotating shaft (52) is connected by bearings to the middle of the film pressing roller (51). Two ends of the rotating shaft (52) are respectively fixedly installed with the telescopic shafts of two cylinders II (53). The two cylinders II (53) are respectively fixedly installed with the two vertical plates (1). The film pressing roller (51) is jointly driven by the two cylinders II (53) to press the film of the sheet material tightly against the outer wall of the driving roller (33).