Thin film strip cutting device

Abstract

The present invention belongs to the technical field of cutting devices, and specifically relates to a thin film spline cutting device. The device comprises: a machine base and a knife holder assembly, wherein a roller station and a knife holder station for installing a spline roller are provided in the machine base, and a draw-out opening is provided on the machine base on the side of the knife holder station away from the roller station; the knife holder assembly can be drawn and pulled on the knife holder station through the draw-out opening, and when the knife holder assembly is located at the knife holder station, it is suitable for cutting the film on the roller surface of the spline roller. The thin film spline cutting device has a simple structure, reliable operation, and manual control of the whole process, without the need for power, manual operation, and no additional tools, thereby improving replacement efficiency. The knife holder assembly is drawn and pulled on the knife holder station through the draw-out opening, and when the knife holder assembly is located at the knife holder station, the knife holder assembly cuts the film on the spline roller. When the knife holder assembly is pulled out, the blade can be replaced without disassembling the spline roller and other components of the device, which is convenient, fast, time-saving and labor-saving.

Description

Technical Field

[0001] The invention belongs to the technical field of cutting devices, and in particular relates to a thin film strip cutting device. Background Art

[0002] With the continuous advancement of science and technology, the application scope of PP, PET, PA and other films is becoming wider and wider, and people's quality requirements for films are also constantly improving. Generally, the produced films are cut into film strips for testing the physical and chemical properties of the films. The existing cutting device includes a knife holder and a roller, and the roller surface of the roller is provided with several annular knife grooves along the axial direction. The knife holder is fixed on the floor, and a blade corresponding to the knife groove is arranged on the knife holder. The roller is mounted on the knife holder, and the front end of the blade is inserted into the knife groove of the roller. Fix the film on the roller, turn the roller, and realize the cutting of the film strip, which is convenient and practical to operate. However, when the device needs to replace the blade, the roller and some parts above the knife holder need to be disassembled before the blade can be replaced. Disassembly and replacement are not easy, and the operation is very troublesome, time-consuming and labor-intensive. Summary of the invention

[0003] The object of the present invention is to provide a thin film spline cutting device to solve the technical problem that the blade of the conventional thin film spline cutting device is difficult to replace.

[0004] In order to solve the above technical problems, the present invention provides a thin film spline cutting device, including a machine base and a knife holder assembly, wherein a roller station and a knife holder station for installing a spline roller are provided in the machine base, and a drawing port is provided on the machine base on the side of the knife holder station away from the roller station;

[0005] The tool holder assembly can be pulled and drawn on the tool holder station through the pull-out opening. When the tool holder assembly is located at the tool holder station, it is suitable for cutting the film on the roller surface of the spline roller.

[0006] Furthermore, the tool holder assembly includes a tool holder, a plurality of tool blocks, a plurality of blades, two through-core bolts and two tool locking bolts;

[0007] The knife seat is provided with a blade installation opening, each of the knife blocks and the blade is arranged in the blade installation opening, and each of the blades is respectively located between two adjacent knife blocks;

[0008] Two through-core bolts are installed on the knife seat on both sides of the blade installation opening, and the through-core bolts are connected in series with each group of knife blocks and blades in sequence, and nuts are arranged at both ends of the through-core bolts;

[0009] The two knife locking bolts are arranged oppositely on the knife seat at both sides of the blade installation opening, and the two knife locking bolts are locked and abutted against the knife block to lock the blade in the blade installation opening.

[0010] Furthermore, cushion blocks are provided between the two outermost knife blocks and the knife seat, and the front end of the knife locking bolt abuts against the cushion blocks.

[0011] Furthermore, at least one clamping bolt for clamping the tool holder assembly on the tool holder station is arranged on the machine base, and the clamping bolt is located above the draw-out opening.

[0012] Furthermore, wear-resistant blocks for frictionally cooperating with the tool holder assembly are arranged on the inner walls of the machine bases on both sides of the tool holder station, and fixing bolts are arranged on the machine bases, and the fixing bolts pass through the machine bases and are screwed to the wear-resistant blocks;

[0013] The two wear-resistant blocks clamp the tool holder assembly towards each other to limit the tool holder assembly from moving in a direction away from the spline roller.

[0014] Furthermore, adjusting bolts suitable for adjusting the distance between the wear-resistant block and the side plate of the machine base are respectively arranged on both sides of the fixing bolt, and the front end of the adjusting bolt abuts against the wear-resistant block.

[0015] Furthermore, both left and right sides of the tool holder assembly are provided with limit bolts suitable for adjusting the distance between the tool holder assembly and the spline roller, and the front end of the limit bolt abuts against the wear-resistant block.

[0016] Furthermore, the roller surface of the spline roller is provided with at least two grooves along the axial direction, and a sample film fixing rod is arranged in any two of the grooves, and both ends of each sample film fixing rod are connected by a tension spring.

[0017] Furthermore, there are three grooves.

[0018] Furthermore, the tool holder assembly is provided with a handle suitable for taking and placing the tool holder assembly.

[0019] The beneficial effects of the present invention are that the thin film spline cutting device of the present invention has a simple structure, reliable operation, manual control of the entire process, no power required, manual operation is sufficient, and no additional tools are required, thereby improving replacement efficiency.

[0020] The knife holder assembly is pulled out on the knife holder station through the pull-out opening. When the knife holder assembly is located at the knife holder station, the knife holder assembly cuts the film on the spline roller. When the knife holder assembly is pulled out, the blade can be replaced without disassembling the spline roller and other components of the device, which is convenient, fast, time-saving and labor-saving.

[0021] A clamping bolt is arranged on the machine base above the draw-out opening. The tool holder assembly can be manually drawn out by simply loosening the clamping bolt. After the blade is replaced, the tool holder assembly can be fixed on the tool holder station by tightening the clamping bolt.

[0022] A limit bolt is added to adjust the distance between the knife holder assembly and the wear-resistant block, so that the gap between the blade and the spline roller can be adjusted to facilitate cutting of the film.

[0023] The fixing bolt adjusts the gap between the tool holder assembly and the wear-resistant block to control the friction between the two, which does not affect the pulling of the tool holder assembly on the tool holder station, and can effectively cooperate with the clamping bolt to limit the position movement of the tool holder assembly when cutting the film.

[0024] By adding an adjusting bolt, the gap between the tool holder assembly and the wear-resistant block is pre-adjusted by the adjusting bolt, and then the wear-resistant block is fixed by the fixing bolt, so that the friction between the two can be better controlled and the adjustment operation is more convenient.

[0025] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention are realized and obtained by the structures particularly pointed out in the description, claims and drawings.

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 is a stereogram of a preferred embodiment of the thin film strip cutting device of the present invention;

[0029] Figure 2 is a schematic structural diagram of a preferred embodiment of a tool holder assembly of the present invention;

[0030] Figure 3 It is a structural schematic diagram of a preferred embodiment of the present invention in which the tool holder assembly is installed on a machine base;

[0031] Figure 4 It is a schematic structural diagram of a preferred embodiment of the tool holder assembly and the spline roller of the present invention.

[0032] In the figure:

[0033] 1. Machine base; 2. Tool holder assembly; 21. Tool holder; 22. Tool assembly block; 23. Blade; 24. Through-core bolt; 25. Tool locking bolt; 26. Spacer block; 27. Handle; 3. Spline roller; 4. Pull-out opening; 5. Clamping bolt; 6. Wear-resistant block; 7. Fixing bolt; 8. Adjusting bolt; 9. Limiting bolt; 10. Sample film fixing rod; 11. Tension spring; 12. Bearing seat; 13. Bearing; 14. Crank handle. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are 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 creative work are within the scope of protection of the present invention.

[0035] like Figure 1 As shown, the film spline cutting device of this embodiment includes a machine base 1 and a knife holder assembly 2. A roller station and a knife holder station are provided in the machine base 1, and the roller station is used to install the spline roller 3. The roller surface of the spline roller 3 is provided with several circles of annular knife grooves, and each annular knife groove is distributed along the axial direction of the spline roller 3. Bearing seats 12 are provided on both sides of the machine base 1 located at the roller station, and bearings 13 are provided in the bearing seats 12. The two ends of the spline roller 3 are respectively connected to the corresponding bearings 13, and one end of the spline roller 3 extends out of the bearing 13 and is connected to the crank 14. A drawing port 4 is provided on the machine base 1 on the side of the knife holder station away from the roller station, and the knife holder assembly 2 can be pulled and drawn on the knife holder station through the drawing port 4. When the knife holder assembly 2 is located at the knife holder station, it is suitable for cutting the film on the roller surface of the spline roller 3. At least one clamping bolt 5 is provided on the machine base 1 for clamping the tool holder assembly 2 on the tool holder station, and the clamping bolt 5 is located above the draw-out opening 4. A rubber ring is provided at the front end of the clamping bolt 5 to effectively prevent the clamping bolt 5 from wearing the tool holder assembly 2. The tool holder assembly 2 can be manually drawn out by loosening the clamping bolt 5, and the tool holder assembly 2 can be fixed on the tool holder station by tightening the clamping bolt 5 after the blade in the tool holder assembly 2 is replaced.

[0036] like Figure 2As shown, the specific structure of the tool holder assembly 2 is as follows: it includes a tool holder 21, several tool blocks 22, multiple blades 23, two through-core bolts 24 and two blade locking bolts 25, and the number of blades 23 corresponds to the number of annular tool grooves. A blade mounting opening is provided on the tool holder 21, and each tool block 22 and blade 23 are arranged in the blade mounting opening, and each blade 23 is respectively located between two adjacent tool blocks 22. Two through-core bolts 24 are installed on the tool holder 21 on both sides of the blade mounting opening, and the through-core bolts 24 are connected in series with each tool block 22 and blade 23 in sequence, and nuts are arranged at both ends of the through-core bolts 24. By tightening the nuts, the tool blocks 22 and blades 23 can be fixedly connected to the tool holder 21, and the through-core bolts 24 are prevented from moving toward the tool holder 21 on both sides of the blade mounting opening. Two blade locking bolts 25 are arranged on the blade holder 21 on both sides of the blade installation opening, and the two blade locking bolts 25 are locked against the blade assembly block 22, locking the blade 23 and the blade assembly block 22 in the blade installation opening. A handle 27 is arranged on the blade holder assembly 2 for convenient hand holding and easy to take and put the blade holder assembly 2.

[0037] In order to protect the knife block 22 from being worn by the knife locking bolt 25, Figure 2 As shown, a cushion block 26 is provided between the two outermost knife assembly blocks 22 and the knife seat 21, and the front end of the knife locking bolt 25 abuts against the cushion block 26. The knife assembly block 22 is separated from the knife locking bolt 25 by the cushion block 26 to avoid wear of the knife assembly block 22 and increase the service life of the knife assembly block 22.

[0038] like Figure 3 As shown, wear blocks 6 are provided on the inner walls of the machine base 1 on both sides of the tool holder station for frictional cooperation with the tool holder assembly 2. A fixing bolt 7 is provided on the machine base 1, and the fixing bolt 7 passes through the machine base 1 and is screwed to the wear blocks 6. The two wear blocks 6 clamp the tool holder assembly 2 in opposite directions to limit the movement of the tool holder assembly 2 away from the spline roller 3. The fixing bolt 7 adjusts the gap between the tool holder assembly 2 and the wear blocks 6 to control the friction between the two, that is, it does not affect the pulling of the tool holder assembly 2 on the tool holder station, and can effectively cooperate with the clamping bolt 5 to limit the position movement of the tool holder assembly 2 when cutting the film.

[0039] like Figure 3 As shown, adjusting bolts 8 are respectively provided on both sides of the fixing bolt 7, and the front end of the adjusting bolt 8 abuts against the wear-resistant block 6, which is suitable for adjusting the distance between the wear-resistant block 6 and the side plate of the machine base 1. By adding the adjusting bolt 8, the gap between the adjusting tool holder assembly 2 and the wear-resistant block 6 is pre-adjusted by the adjusting bolt 8, and then the wear-resistant block 6 is fixed by the fixing bolt 7, so that the friction between the two can be better controlled, and the adjustment operation is more convenient.

[0040] like Figure 3As shown, both left and right sides of the tool holder assembly 2 are provided with limit bolts 9, and the front end of the limit bolts 9 abuts against the wear block 6, which is suitable for adjusting the distance between the tool holder assembly 2 and the spline roller 3. The limit bolts 9 are added to adjust the distance between the tool holder assembly 2 and the wear block 6, so that the gap between the blade 23 and the spline roller 3 can be adjusted, which is convenient for cutting thin films.

[0041] like Figure 4 As shown, the roller surface of the spline roller 3 is provided with at least two grooves along the axial direction, and a sample film fixing rod 10 is provided in any two grooves, and both ends of each sample film fixing rod 10 are connected by a tension spring 11. In this embodiment, there are preferably three grooves, one sample film fixing rod 10 is provided in one of the grooves, and the other sample film fixing rod 10 is respectively located in the other two grooves, so as to adjust the film length between the two sample film fixing rods 10. The roller surface of the spline roller 3 with the film attached is rotated toward the blade 23, so as to achieve cutting of the film spline with adjusted length.

[0042] like Figures 1 to 4 As shown, in the actual operation of the present invention:

[0043] According to the length of the film spline to be cut, two film sample fixing rods 10 are arranged in corresponding grooves, and the film is clamped on the roller surface of the spline roller 3 through the two film sample fixing rods 10 .

[0044] Place each set of knife blocks 22 in the blade installation opening, and insert each blade 23 between two adjacent sets of knife blocks 22. The through-core bolt 24 connects each set of knife blocks 22 and blades 23 in series in sequence. Both ends of the through-core bolt 24 pass through the cushion block 26 and then pass through the knife seat 21 on both sides of the blade installation opening, and are locked by nuts. Rotate the knife locking bolt 25, and the two knife locking bolts 25 are locked against the cushion block 26 to lock the blade 23 and the knife block 22 in the blade installation opening. Hold the handle 27 and push the tool holder assembly 2 from the pull-out opening 4 to the tool holder station. Tighten the clamping bolt 5 downward to pre-fix the tool holder assembly 2 on the tool holder station. Rotate the adjusting bolt 8 to adjust the friction between the tool holder assembly 2 and the wear-resistant block 6, tighten the fixing bolt 7, fix the position of the wear-resistant block 6 and the side plate of the machine base 1, and make the two wear-resistant blocks 6 clamp the tool holder assembly 2 in the opposite direction. By rotating the limit bolt 9, the distance between the tool holder assembly 2 and the spline roller 3 is adjusted so that the blade 23 of the tool holder assembly 2 extends into the annular knife groove of the spline roller 3. Tighten the clamping bolt 5, and the tool holder assembly 2 is fixed on the tool holder station. Turn the crank 14, the spline roller 3 rotates, and the blade 23 cuts the film into the required film spline length along the annular knife groove.

[0045] When the blade 23 needs to be replaced, it is only necessary to loosen the clamping bolt 5, hold the handle 27 and pull the tool holder assembly 2 out of the tool holder station along the wear block 6 from the draw-out opening 4. Manually pull out the tool holder assembly 2, reverse the above steps, and replace the blade 23 of the tool holder assembly 2. After replacing the blade 23, push the tool holder assembly 2 along the wear block 6 from the draw-out opening 4 to the tool holder station, tighten the clamping bolt 5, and fix the tool holder assembly 2 on the tool holder station.

[0046] In summary, the thin film spline cutting device of the invention has a simple structure, reliable operation, and manual control throughout the entire process. It does not require power and can be operated manually without the need for additional tools, thereby improving replacement efficiency.

[0047] The knife holder assembly is pulled out on the knife holder station through the pull-out opening. When the knife holder assembly is located at the knife holder station, the knife holder assembly cuts the film on the spline roller. When the knife holder assembly is pulled out, the blade can be replaced without disassembling the spline roller and other components of the device, which is convenient, fast, time-saving and labor-saving.

[0048] A clamping bolt is arranged on the machine base above the draw-out opening. The tool holder assembly can be manually drawn out by simply loosening the clamping bolt. After the blade is replaced, the tool holder assembly can be fixed on the tool holder station by tightening the clamping bolt.

[0049] A limit bolt is added to adjust the distance between the knife holder assembly and the wear-resistant block, so that the gap between the blade and the spline roller can be adjusted to facilitate cutting of the film.

[0050] The fixing bolt adjusts the gap between the tool holder assembly and the wear-resistant block to control the friction between the two, which does not affect the pulling of the tool holder assembly on the tool holder station, and can effectively cooperate with the clamping bolt to limit the position movement of the tool holder assembly when cutting the film.

[0051] By adding an adjusting bolt, the gap between the tool holder assembly and the wear-resistant block is pre-adjusted by the adjusting bolt, and then the wear-resistant block is fixed by the fixing bolt, so that the friction between the two can be better controlled and the adjustment operation is more convenient.

[0052] The various devices selected in this application (components whose specific structures are not described) are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0053] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0054] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0055] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. The device embodiments described above are merely schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some communication interfaces, and the indirect coupling or communication connection of devices or units can be electrical, mechanical or other forms.

[0056] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0057] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0058] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A film spline cutting device, characterized in that: It comprises a machine base (1) and a tool holder assembly (2), wherein the machine base (1) is provided with a roller station for installing a spline roller (3) and a tool holder station, and a drawing opening (4) is provided on the machine base (1) on the side of the tool holder station away from the roller station; The tool holder assembly (2) can be pulled and drawn on the tool holder station through the pull-out opening (4); when the tool holder assembly (2) is located at the tool holder station, it is suitable for cutting the film on the roller surface of the spline roller (3); Wear-resistant blocks (6) for frictionally cooperating with the tool holder assembly (2) are arranged on the inner walls of the machine base (1) on both sides of the tool holder station, and fixing bolts (7) are arranged on the machine base (1), and the fixing bolts (7) pass through the machine base (1) and are screwed to the wear-resistant blocks (6); The two wear-resistant blocks (6) clamp the tool holder assembly (2) towards each other to limit the tool holder assembly (2) from moving in a direction away from the spline roller (3); Adjustment bolts (8) suitable for adjusting the distance between the wear-resistant block (6) and the side plate of the machine base (1) are respectively arranged on both sides of the fixing bolt (7), and the front end of the adjustment bolt (8) abuts against the wear-resistant block (6); Limit bolts (9) suitable for adjusting the distance between the tool holder assembly (2) and the spline roller (3) are arranged on both the left and right sides of the tool holder assembly (2), and the front ends of the limit bolts (9) are in contact with the wear-resistant block (6).

2. The thin film spline cutting device according to claim 1, characterized in that: The tool holder assembly (2) comprises a tool seat (21), a plurality of tool blocks (22), a plurality of blades (23), two through-core bolts (24) and two tool locking bolts (25); The knife seat (21) is provided with a blade installation opening, each of the knife blocks (22) and the blade (23) is arranged in the blade installation opening, and each of the blades (23) is located between two adjacent knife blocks (22); Two through-core bolts (24) are installed on the blade seat (21) at both sides of the blade installation opening, and the through-core bolts (24) sequentially connect each group of blade blocks (22) and blades (23), and nuts are arranged at both ends of the through-core bolts (24); The two knife locking bolts (25) are arranged oppositely on the knife seat (21) at both sides of the blade installation opening. The two knife locking bolts (25) lock and abut the knife assembly block (22) towards each other to lock the blade (23) in the blade installation opening.

3. The thin film spline cutting device according to claim 2, characterized in that: A cushion block (26) is provided between the two outermost knife blocks (22) and the knife seat (21), and the front end of the knife locking bolt (25) abuts against the cushion block (26).

4. The thin film spline cutting device according to claim 1, characterized in that: At least one clamping bolt (5) for clamping the tool holder assembly (2) on the tool holder station is arranged on the machine base (1), and the clamping bolt (5) is located above the draw-out opening (4).

5. The thin film spline cutting device according to any one of claims 1 to 4, characterized in that: The roller surface of the spline roller (3) is provided with at least two grooves along the axial direction, and a sample film fixing rod (10) is arranged in any two of the grooves, and both ends of each sample film fixing rod (10) are connected by a tension spring (11).

6. The thin film strip cutting device according to claim 5, characterized in that: There are three grooves.

7. The thin film strip cutting device according to claim 5, characterized in that: The tool holder assembly (2) is provided with a handle (27) suitable for taking and placing the tool holder assembly (2).

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