Film cutting tool with adjustable cutting blade width

Abstract

The present invention relates to the field of film cutting technology, and discloses a film cutting tool with adjustable cutting blade width, comprising: a base, a frame, a knife holder, and a blade, wherein a plurality of knife grooves are provided on the top of the base, a guide assembly is symmetrically provided on the top of the base, and the frame is mounted on the top of the guide assembly. The film cutting tool with adjustable cutting blade width is provided with a frame, a knife holder, a knife shaft, a cutting surface, a first partition, a second partition, a third partition, and a guide assembly, and the knife shaft is rotated to adjust the position of the first partition, the second partition, and the third partition at the lower end, thereby adjusting the width of two adjacent blades. After placing the film on the base, the frame is pushed to move, and the frame drives the knife holder and the knife shaft to move, and the knife shaft drives the blade to cut the film, thereby obtaining multiple splines of equal width, which can meet the needs of splines of different widths, improve the accuracy of spline cutting, and prevent inaccurate measurement results.

Description

Technical Field

[0001] The invention relates to the technical field of film cutting, in particular to a film cutting tool with adjustable cutting blade width. Background Art

[0002] Soft-pack lithium batteries are liquid lithium-ion batteries covered with a polymer shell and structurally packaged with aluminum-plastic film. Aluminum-plastic film is a key material for the packaging of soft-pack lithium battery cells. After the single-cell battery is assembled, it is sealed with aluminum-plastic film to form a battery. The aluminum-plastic film plays a role in protecting the contents. Compared with packaging materials such as steel shells, aluminum shells or plastic shells, aluminum-plastic film has the advantages of light weight, thin thickness, and flexible appearance design. In the production process of soft-pack lithium batteries, the finished product inspection requires the electrolyte packaging heat seal strength test of the aluminum-plastic film, and the sample needs to be cut into strips of equal width according to demand.

[0003] The cutting tools currently used in the spline preparation process require manual sliding to prepare the spline, which easily causes the spline to be uneven, thereby affecting the test results. Summary of the Invention

[0004] In view of the deficiencies of the prior art, the present invention provides a film cutting tool with an adjustable cutting blade width, which solves the problems mentioned in the above background.

[0005] The present invention provides the following technical solution: a film cutting tool with adjustable cutting knife width, comprising: a base, a frame, a knife holder and a blade, the top of the base is provided with multiple knife grooves, the top of the base is symmetrically provided with a guide assembly, the frame is installed on the top of the guide assembly, the top of the inner wall of the frame is provided with multiple reset assemblies, the reset assembly is installed on the top of the knife holder, a knife shaft is installed on the knife holder, multiple knife shafts are provided with three cutting surfaces, the three cutting surfaces are respectively provided with multiple first partitions, multiple second partitions and multiple third partitions for installing blades, both sides of the frame are provided with a slide groove and a limit groove, the slide groove and the limit groove are connected, the inner wall of the slide groove is provided with a snap ring, the surface of the snap ring is connected to the surface of the knife holder, and the inner wall of the snap ring is connected to the surface of the knife shaft.

[0006] Preferably, the width of the plurality of first separators is smaller than the width of the second separators, and the width of the second separators is smaller than the width of the third separators.

[0007] Preferably, the guide assembly includes a slider and a slide rail, the slide rail is installed on the top of the base, the slider is connected to the bottom of the frame, and the slider is slidably connected to the surface of the slide rail.

[0008] Preferably, a limiting block is symmetrically provided at the bottom of the sliding block, and a stop bar is installed at both ends of the sliding rail, and the surface of the limiting block is movably connected to the surface of the stop bar.

[0009] Preferably, metal strips are symmetrically arranged on the top of the base, and the metal strips and the slide rails are arranged perpendicular to each other.

[0010] Preferably, a handle is provided on the surface of the slider.

[0011] Preferably, the reset assembly includes a tension spring, a first connecting seat and a second connecting seat, the first connecting seat is connected to the top of the inner wall of the frame, the second connecting seat is connected to the top of the tool holder, the first connecting seat is connected to one end of the tension spring, and the second connecting seat is connected to the other end of the tension spring.

[0012] Preferably, three first positioning blocks are evenly distributed on the inner wall of the snap ring, and three second positioning blocks are evenly distributed on the surface of the knife shaft, and the surfaces of the first positioning blocks are movably connected to the surfaces of the second positioning blocks.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The film cutting tool with adjustable cutting blade width is provided with a frame, a blade holder, a blade shaft, a cutting surface, a first partition, a second partition, a third partition and a guide assembly. The positions of the first partition, the second partition and the third partition at the lower end can be adjusted by rotating the blade shaft, thereby adjusting the width of two adjacent blades. After placing the film on the base, the frame is pushed to move, and the frame drives the blade holder and the blade shaft to move. The blade shaft drives the blade to cut the film, and multiple splines of the same width can be obtained. The tool can meet the needs of splines of different widths, improve the accuracy of spline cutting, and prevent inaccurate measurement results.

[0015] 2. The film cutting tool with adjustable cutting blade width is provided with a tension spring, a first connecting seat and a second connecting seat. After the cutting is completed, the snap ring is moved to the inner wall of the slide groove, the tension spring contracts, and the second connecting seat is pulled to reset. The second connecting seat pulls the knife holder to rise and reset, thereby driving the knife shaft and the blade to rise, making it easier to remove the spline. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0017] Figure 2 This is a schematic diagram of the structure of the knife groove position of the present invention;

[0018] Figure 3 This is a schematic diagram of the knife shaft structure of the present invention;

[0019] Figure 4 This is a schematic diagram of the structure of the slideway and the limit groove of the present invention;

[0020] Figure 5 It is a side structural schematic diagram of the present invention.

[0021] In the figure: 1. Base; 2. Frame; 3. Tool holder; 4. Blade; 5. Tool groove; 6. Guide assembly; 61. Slider; 62. Slide rail; 7. Reset assembly; 71. Tension spring; 72. First connecting seat; 73. Second connecting seat; 8. Tool shaft; 9. Cutting surface; 10. First partition; 11. Second partition; 12. Third partition; 13. Slide groove; 14. Limiting groove; 15. Snap ring; 16. Limiting block; 17. Baffle; 18. Metal pressure strip; 19. Handle; 20. First positioning block; 21. Second positioning block. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-3 A film cutting tool with adjustable cutting blade width includes: a base 1, a frame 2, a knife holder 3 and a blade 4. The top of the base 1 is provided with multiple knife grooves 5. The top of the base 1 is symmetrically provided with a guide assembly 6. The frame 2 is installed on the top of the guide assembly 6. The top of the inner wall of the frame 2 is provided with multiple reset assemblies 7. The reset assembly 7 is installed on the top of the knife holder 3. A knife shaft 8 is installed on the knife holder 3. The multiple knife shafts 8 are provided with three cutting surfaces 9. The three cutting surfaces 9 are respectively provided with multiple first partitions 10, multiple second partitions 11 and multiple third partitions 12 for installing the blade 4. Both sides of the frame 2 are provided with a slide groove 13 and a limit groove 14. The slide groove 13 and the limit groove 14 are connected. The inner wall of the slide groove 13 is provided with The snap ring 15, the surface of the snap ring 15 is connected to the surface of the tool holder 3, the inner wall of the snap ring 15 is connected to the surface of the blade shaft 8, the width of the multiple first partitions 10 is smaller than the width of the second partition 11, the width of the second partition 11 is smaller than the width of the third partition 12, and the position of the first partition 10, the second partition 11 and the third partition 12 at the lower end can be adjusted by rotating the blade shaft 8, thereby adjusting the width of the two adjacent blades 4. After placing the film on the base 1, push the frame 2 to move, the frame 2 drives the tool holder 3 and the blade shaft 8 to move, and the blade shaft 8 drives the blade 4 to cut the film, so that multiple splines of equal width can be obtained, which can meet the needs of splines of different widths, improve the accuracy of spline cutting, and prevent inaccurate measurement results.

[0024] See also Figure 4-5The guide assembly 6 includes a slider 61 and a slide rail 62. The slide rail 62 is installed on the top of the base 1. The slider 61 is connected to the bottom of the frame 2. The slider 61 is slidably connected to the surface of the slide rail 62. A limit block 16 is symmetrically provided at the bottom of the slider 61. A baffle 17 is installed at both ends of the slide rail 62. The surface of the limit block 16 is movably connected to the surface of the baffle 17. A metal pressure strip 18 is symmetrically provided on the top of the base 1. The metal pressure strip 18 and the slide rail 62 are arranged perpendicular to each other. A handle 19 is provided on the surface of the slider 61.

[0025] When the locking cam 72 is in the unlock position, the locking cam 72 is in the unlock position, and the locking cam 72 is in the unlock position, so that the winch 15 is locked.

[0026] Three first positioning blocks 20 are evenly distributed on the inner wall of the snap ring 15 , and three second positioning blocks 21 are evenly distributed on the surface of the blade shaft 8 . The surfaces of the first positioning blocks 20 are movably connected to the surfaces of the second positioning blocks 21 .

[0027] The film to be cut is spread flat on the surface of the base 1, and the metal strips 18 are used to press the two ends of the film to prevent the film from sliding. The positions of the first partition 10, the second partition 11 and the third partition 12 at the lower end can be adjusted by rotating the knife shaft 8, thereby adjusting the width of the two adjacent blades 4. The corresponding cutting blade distance surface is selected according to the cutting width, and the first positioning block 20 of the snap ring 15 and the second positioning block 21 of the knife shaft 8 are used to position the current angle of the knife shaft 8; the angle and position of the knife shaft 8 are fixed by the knife holder 3, and then the two ends of the knife shaft 8 are held with both hands, and force is slowly applied downward. As the tension spring 71 is stretched, the knife shaft 8 and the knife holder 3 will slide downward along the slide groove 13 with the snap ring 15 until the snap ring 15 is slid into the limit groove 14 of the frame 2. At this time, the cutting height of the knife shaft 8 is fixed, and the blade 4 just pierces the thin film. The film is inserted into the knife groove 5 to a depth of 2-5mm. Hold the handles 19 at both ends of the slider 61 with both hands and push the slider 61 forward along the slide rail 62. Since the two ends of the slide rail 62 are provided with stop bars 17, the limit blocks 16 on the slider 61 prevent the slider 61 from leaving the slide rail 62. The slider 61 drives the frame 2 to move, and the frame 2 drives the knife holder 3 and the knife shaft 8 to move. The knife shaft 8 drives the blade 4 to cut the film. Multiple splines of the same width can be obtained, which can meet the needs of splines of different widths, improve the accuracy of spline cutting, and prevent inaccurate measurement results. After the cutting is completed, the snap ring 15 is moved to the inner wall of the slide groove 13, the tension spring 71 contracts, and the second connecting seat 73 is pulled to reset. The second connecting seat 73 pulls the knife holder 3 to rise and reset, thereby driving the knife shaft 8 and the blade 4 to rise, making it easy to take out the spline.

[0028] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A film cutting tool with adjustable cutting blade width, characterized in that: include: A base (1), a frame (2), a knife holder (3) and a blade (4), wherein the top of the base (1) is provided with a plurality of knife grooves (5), the top of the base (1) is symmetrically provided with guide assemblies (6), the frame (2) is mounted on the top of the guide assemblies (6), the top of the inner wall of the frame (2) is provided with a plurality of reset assemblies (7), the reset assemblies (7) are mounted on the top of the knife holder (3), the knife holder (3) is provided with a knife shaft (8), and the plurality of knife shafts (8) are provided with three cutting surfaces (9), three Each of the cutting surfaces (9) is respectively provided with a plurality of first partitions (10), a plurality of second partitions (11) and a plurality of third partitions (12) for mounting the blades (4); a slide groove (13) and a limit groove (14) are provided on both sides of the frame (2); the slide groove (13) and the limit groove (14) are connected; a snap ring (15) is provided on the inner wall of the slide groove (13); the surface of the snap ring (15) is connected to the surface of the blade holder (3); and the inner wall of the snap ring (15) is connected to the surface of the blade shaft (8); The reset assembly (7) includes a tension spring (71), a first connecting seat (72) and a second connecting seat (73), wherein the first connecting seat (72) is connected to the top of the inner wall of the frame (2), and the second connecting seat (73) is connected to the top of the tool holder (3), the first connecting seat (72) is connected to one end of the tension spring (71), and the second connecting seat (73) is connected to the other end of the tension spring (71); Three first positioning blocks (20) are evenly distributed on the inner wall of the snap ring (15), and three second positioning blocks (21) are evenly distributed on the surface of the knife shaft (8), and the surfaces of the first positioning blocks (20) are movably connected to the surfaces of the second positioning blocks (21); The knife shaft (8) and the knife holder (3) will slide downward along the slide groove (13) along with the snap ring (15) until the snap ring (15) slides into the limit groove (14) of the frame (2), and the cutting height of the knife shaft (8) is fixed at this time.

2. A film cutting tool with adjustable cutting blade width according to claim 1, characterized in that: The width of the plurality of first separators (10) is smaller than the width of the second separator (11), and the width of the second separator (11) is smaller than the width of the third separator (12).

3. A film cutting tool with adjustable cutting blade width according to claim 2, characterized in that: The guide assembly (6) includes a slider (61) and a slide rail (62), wherein the slide rail (62) is mounted on the top of the base (1), the slider (61) is connected to the bottom of the frame (2), and the slider (61) is slidably connected to the surface of the slide rail (62).

4. A film cutting tool with adjustable cutting blade width according to claim 3, characterized in that: A limit block (16) is symmetrically provided at the bottom of the slider (61), and a stop bar (17) is installed at both ends of the slide rail (62), and the surface of the limit block (16) is movably connected to the surface of the stop bar (17).

5. The film cutting tool with adjustable cutting blade width according to claim 3, characterized in that: A metal strip (18) is symmetrically arranged on the top of the base (1), and the metal strip (18) and the slide rail (62) are arranged perpendicular to each other.

6. The film cutting tool with adjustable cutting blade width according to claim 3, characterized in that: A handle (19) is provided on the surface of the slider (61).

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