Spacing-adjustable PET film strip cutting equipment
By designing an adjustable pitch PET film cutting device, using the angle adjustment of the positioning shaft and the installation shaft and the inlay cutting components, the existing PET film slitting device is solved, and the rapid adjustment of the cutting width of the PET film and the flexible switching of a variety of cutting methods is realized, which improves processing efficiency.
Patent Information
- Application Number
- CN202422631644.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-10-30
AI Technical Summary
The existing PET membrane slitting device is cumbersome when adjusting the tool spacing, and cannot meet the efficient processing needs of PET bright strips.
An adjustable pitch PET membrane strip cutting device is designed to quickly replace and adjust the cutting width by adjusting the angle of the positioning shaft and the mounting shaft in the cutting structure, combining the mounting method of the positioning assembly and the cutting assembly.
It realizes rapid adjustment of the cutting width of PET film and flexible switching of multiple cutting methods, improving the efficiency and flexibility of cutting PET film.
Smart Images

Figure CN223265830U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PET film processing, in particular to a PET film strip cutting device with adjustable spacing. Background Art
[0002] PET film is a thin film made of polyethylene terephthalate material with excellent physical and chemical properties. It is commonly used in packaging materials, electronic products, optical applications, and building materials.
[0003] When preparing PET bright strips, the finished PET film needs to be cut into strips of PET film with a specified spacing, so a PET film slitting device is required. However, when the current PET film slitting device slits the PET film, the overall spacing of the cutter needs to be manually adjusted according to different slitting requirements. The overall operation is relatively cumbersome and cannot meet the overall processing efficiency of the PET bright strips. In view of this, there may be technical means to solve the above problems in the existing technology, but this case intends to provide an alternative or replacement technical solution. Utility Model Content
[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: an adjustable spacing PET film slitting device, comprising a base plate and two auxiliary rollers, the two auxiliary rollers being respectively mounted on both sides of the upper end of the base plate, and an adjustable cutting structure being mounted at the center of the upper end of the base plate;
[0005] The adjustment and cutting structure includes: two support plates, a positioning shaft, a positioning assembly, a mounting shaft, six mounting slots and six cutting assemblies;
[0006] The two support plates are respectively installed on both sides of the upper end of the base plate, and the two ends of the positioning shaft are respectively movably embedded in the two support plates. The positioning component is installed on one side of one of the support plates, and one end is connected to one side of the positioning shaft. The mounting shaft is fixedly installed on the upper end of the positioning shaft, and the six mounting grooves are evenly opened on the outside of the mounting shaft. The six cutting components are respectively movably embedded in the six mounting grooves.
[0007] Preferably, the six cutting assemblies each include: a mounting plate, a plurality of cutting blades, a fixed plate, a movable plate and mounting bolts;
[0008] The mounting plate is movably embedded in the mounting groove, and the plurality of cutting knives are installed on the upper end of the mounting plate. The fixed plate is fixedly installed on the wall surface on one side of the mounting shaft, and the movable plate is fixedly installed on one side of the mounting plate. The mounting bolts are movably embedded in the fixed plate and the movable plate.
[0009] Preferably, the positioning assembly includes: a positioning sleeve, a positioning block, a positioning rod and a positioning frame;
[0010] The positioning sleeve is fixedly installed on one side of the positioning shaft, the positioning block is movably embedded in the positioning sleeve, one end of the positioning rod is connected to one side of the positioning block, the positioning frame is fixedly installed on the outer wall of one of the support plates, and the bottom end of the positioning rod is movably embedded in the positioning frame.
[0011] Preferably, the positioning frame is in a "U" shape.
[0012] Preferably, positioning bolts are movably embedded in the positioning rod and the positioning frame.
[0013] Beneficial effects
[0014] The utility model provides an adjustable spacing PET film strip cutting device, which has the following beneficial effects: the adjustable cutting structure adopted in this case can rotate the positioning shaft and the installation shaft as a whole according to different cutting requirements when in use, so that one group of cutting components is located on the top. In daily use, the cutting width of the PET bright strip can be quickly changed by changing the overall angle of the installation shaft, and the installation plate and the cutting knife are fixed in an embedded manner, so that the installation plate and the cutting knife can be quickly replaced. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the main structure of an adjustable spacing PET film cutting device described in the present invention.
[0016] Figure 2 This is an enlarged structural diagram of position "A" of the adjustable spacing PET film slitting equipment described in the present invention.
[0017] In the figure: 1. Base plate, 2. Auxiliary roller, 3. Support plate, 4. Positioning shaft, 5. Mounting shaft, 6. Mounting groove, 7. Mounting plate, 8. Cutting knife, 9. Fixed plate, 10. Moving plate, 11. Mounting bolt, 12. Positioning sleeve, 13. Positioning block, 14. Positioning rod, 15. Positioning frame, 16. Positioning bolt. DETAILED DESCRIPTION
[0018] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.
[0019] Example: See Figure 1-2 , a PET film slitting device with adjustable spacing, comprising a base plate 1 and two auxiliary rollers 2, the two auxiliary rollers 2 being respectively mounted on both sides of the upper end of the base plate 1, and an adjustable cutting structure being mounted at the center position of the upper end of the base plate 1;
[0020] The adjustment and cutting structure includes: two support plates 3, a positioning shaft 4, a positioning assembly, a mounting shaft 5, six mounting slots 6 and six cutting assemblies;
[0021] The two support plates 3 are respectively installed on both sides of the upper end of the base plate 1, and the two ends of the positioning shaft 4 are respectively movably embedded in the two support plates 3. The positioning component is installed on one side of one of the support plates 3, and one end is connected to one side of the positioning shaft 4. The mounting shaft 5 is fixedly installed on the upper end of the positioning shaft 4, and six mounting grooves 6 are evenly opened on the outside of the mounting shaft 5. The six cutting components are respectively movably embedded in the six mounting grooves 6.
[0022] When preparing and cutting PET bright strips, the staff first places the two ends of the PET film on the upper ends of the designated shafts, so that the PET film is laid on the upper ends of the two auxiliary rollers 2. Then, according to the overall cutting requirements of the PET film, the overall angle of the positioning shaft 4 and the mounting shaft 5 is changed, and the angle of the mounting shaft 5 is fixed by the positioning component. The cutting component in one of the mounting grooves 6 contacts the PET film and cuts the PET film into PET bright strips of specified specifications.
[0023] In the specific implementation process, the six cutting assemblies each include: a mounting plate 7, a plurality of cutting blades 8, a fixed plate 9, a movable plate 10 and a mounting bolt 11;
[0024] The mounting plate 7 is movably embedded in the mounting groove 6, and several cutting knives 8 are installed on the upper end of the mounting plate 7. The fixed plate 9 is fixedly installed on the wall of one side of the mounting shaft 5. The movable plate 10 is fixedly installed on one side of the mounting plate 7. The mounting bolts 11 are movably embedded in the fixed plate 9 and the movable plate 10.
[0025] When cutting the PET film, first install a specified number of cutting knives 8 on the upper end of the mounting plate 7, then embed the mounting plate 7 into the mounting groove 6, connect the cutting knives 8 to the mounting shaft 5, then embed the mounting bolts 11 into the fixed plate 9 and the movable plate 10, and fix the mounting plate 7 on the inner side of the mounting shaft 5. During the cutting process, by rotating the specified mounting plate 7 upwards, the PET film is cut by different numbers of cutting knives 8.
[0026] In the specific implementation process, the positioning assembly includes: a positioning sleeve 12, a positioning block 13, a positioning rod 14 and a positioning frame 15;
[0027] The positioning sleeve 12 is fixedly installed on one side of the positioning shaft 4, the positioning block 13 is movably embedded in the positioning sleeve 12, one end of the positioning rod 14 is connected to one side of the positioning block 13, the positioning frame 15 is fixedly installed on the outer wall of one of the support plates 3, and the bottom end of the positioning rod 14 is movably embedded in the positioning frame 15.
[0028] When adjusting the angle of the positioning shaft 4 and the mounting shaft 5, remove the positioning block 13 from the positioning sleeve 12, release the limiting operation on the positioning shaft 4 and the mounting shaft 5, then rotate the mounting shaft 5, rotate the designated cutting assembly upwards, then embed the positioning block 13 into the positioning sleeve 12, and embed the positioning rod 14 on one side of the positioning block 13 into the positioning frame 15 to fix the angle of the mounting shaft 5 and the positioning shaft 4.
[0029] In a specific implementation process, the positioning frame 15 has a "U" shape.
[0030] During the specific implementation process, positioning bolts 16 are movably embedded in the positioning rod 14 and the positioning frame 15 .
[0031] When this device is in use, a single installation of the cutter can provide six cutting methods. Manual knife replacement is required according to different cutting requirements. It is suitable for PET film cutting occasions with various cutting requirements.
[0032] Although the embodiments of the present invention have been shown and described, it will be understood 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 present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A PET film slitting device with adjustable spacing, comprising a base plate (1) and two auxiliary rollers (2), characterized in that: The two auxiliary rollers (2) are respectively installed on both sides of the upper end of the bottom plate (1), and an adjusting cutting structure is installed at the center position of the upper end of the bottom plate (1); The regulating cutting structure comprises: two support plates (3), a positioning shaft (4), a positioning assembly, a mounting shaft (5), six mounting slots (6), and six cutting assemblies; The two support plates (3) are respectively installed on both sides of the upper end of the base plate (1); the two ends of the positioning shaft (4) are respectively movably embedded in the two support plates (3); the positioning component is installed on one side of one of the support plates (3), and one end is connected to one side of the positioning shaft (4); the installation shaft (5) is fixedly installed on the upper end of the positioning shaft (4); the six installation slots (6) are evenly opened on the outside of the installation shaft (5); and the six cutting components are respectively movably embedded in the six installation slots (6).
2. The adjustable spacing PET film slitting device according to claim 1, characterized in that: The six cutting assemblies each comprise: a mounting plate (7), a plurality of cutting blades (8), a fixed plate (9), a movable plate (10) and mounting bolts (11); The mounting plate (7) is movably embedded in the mounting groove (6), a plurality of cutting knives (8) are installed on the upper end of the mounting plate (7), the fixed plate (9) is fixedly installed on a side wall of the mounting shaft (5), the movable plate (10) is fixedly installed on one side of the mounting plate (7), and the mounting bolts (11) are movably embedded in the fixed plate (9) and the movable plate (10).
3. The adjustable spacing PET film slitting device according to claim 1, characterized in that: The positioning assembly comprises: a positioning sleeve (12), a positioning block (13), a positioning rod (14) and a positioning frame (15); The positioning sleeve (12) is fixedly mounted on one side of the positioning shaft (4), the positioning block (13) is movably embedded in the positioning sleeve (12), one end of the positioning rod (14) is connected to one side of the positioning block (13), the positioning frame (15) is fixedly mounted on the outer wall of one of the support plates (3), and the bottom end of the positioning rod (14) is movably embedded in the positioning frame (15).
4. The adjustable spacing PET film slitting device according to claim 3, characterized in that: The positioning frame (15) is in a "U" shape.
5. The adjustable spacing PET film slitting device according to claim 3, characterized in that: A positioning bolt (16) is movably embedded in the positioning rod (14) and the positioning frame (15).