Cutter length adjusting method and device and film cutting equipment

Abstract

The invention relates to a cutter length adjusting method and device and film cutting equipment, and the method comprises the steps that S1, a cutter is adjusted to a zero point position based on preset cutter zero point position information; s2, obtaining standard film information, wherein the standard film information comprises preset cutter length information of the cutter; s3, on the basis of the preset length information of the cutter, the cutter extension length of the cutter is adjusted; s4, the standard film is cut, the extending length of the cutter is adjusted multiple times based on the preset gear, the optimal cutting gear is determined, and the optimal cutting gear information of the current standard film is recorded; and S5, updating the optimal cutting gear information into the standard film information.

Description

Technical Field

[0001] The present application relates to the field of film cutting technology, and in particular to a tool length adjustment method, device and film cutting equipment. Background Art

[0002] Film cutting machines are also called film cutting machines, which are often used to cut the front and back panel protective films of mobile phones and tablets. Different from traditional die-cutting, which requires customized die-cutting according to the pattern, and is time-consuming and laborious in small batch and multi-variety personalized die-cutting, film cutting machines solve the above application problems and are the best choice for small batch and multi-variety die-cutting. The film cutting machine uses a motor to drive the cutting knife, which can trim the protective film of electronic equipment and cut the mobile phone film into a standardized shape and width.

[0003] Before cutting the film, it is usually necessary to manually install the tool on the tool holder of the equipment. Generally speaking, the extended length of the tool is manually adjusted based on experience. However, this adjustment method makes the extended length of the tool uncertain, which leads to inconsistent film cutting depth.

[0004] Another adjustment method is to use a fixture to adjust the tool extension length, but this method will increase the tool tip damage rate, and the tool extension length will be affected by the manufacturing tolerance of the tool holder itself.

[0005] Furthermore, when the tool needs to be replaced, the production error of the tool may cause inconsistent cutting depth. Summary of the invention

[0006] The present application provides a tool length adjustment method, device and film cutting equipment to solve the above-mentioned technical problems.

[0007] In a first aspect, the present application provides a method for adjusting the length of a tool, comprising:

[0008] S1, based on the preset tool zero position information, adjusting the tool to the zero position;

[0009] S2, obtaining standard film information, wherein the standard film information includes tool preset length information of the tool;

[0010] S3, adjusting the tool extension length of the tool based on the tool preset length information;

[0011] S4, cutting the standard film, and adjusting the extension length of the cutter multiple times based on the preset gear position, determining the best cutting gear position, and recording the best cutting gear position information of the current standard film;

[0012] S5, updating the optimal cutting gear information into the standard film information.

[0013] Preferably, the tool length adjustment method further comprises:

[0014] S6, after replacing the worn tool, repeat steps S1-S5.

[0015] Preferably, the step S1 comprises:

[0016] S10, determine the tool reference point through hard limit;

[0017] S11, adjusting the tool to the zero position based on the tool reference point and the tool zero position information.

[0018] Preferably, in the step S4, the preset gear position includes a shortening gear position and an extending gear position based on the preset length information of the tool.

[0019] Preferably, the shortening gear includes at least two gears, and the lengthening gear includes at least two gears.

[0020] The present invention also provides a regulating device based on any of the above methods, comprising:

[0021] The tool holder comprises a tool holder body and a tool fixing assembly axially slidably arranged on the tool holder;

[0022] The tool adjustment module comprises: a push rod, a push rod driving mechanism and a power device, wherein the push rod is connected to the tool fixing assembly, the push rod driving mechanism is transmission connected to the push rod, and the power device is transmission connected to the push rod driving mechanism.

[0023] Preferably, the push rod driving mechanism comprises: a driving nut and a screw rod, the screw rod is drivingly connected to the output shaft of the power device, the screw rod is threadedly connected to the driving nut, and the driving nut is fixedly connected to the push rod.

[0024] Preferably, the drive nut comprises: a nut body and a push rod connecting part, the nut body is provided with a screw hole, the push rod connecting part is arranged along the outer periphery of the screw hole and extends toward the tool holder, the push rod is connected to the push rod connecting part and is coaxial with the screw hole.

[0025] Preferably, a guide hole is further provided on the outer periphery of the screw hole, and the push rod driving mechanism further includes a guide rod provided on the guide hole.

[0026] Preferably, the tool adjustment module further comprises a mounting frame, the power device is mounted on the mounting frame, and the guide rod is arranged on the mounting frame.

[0027] Preferably, the tool adjustment module further comprises a first motor blocking member, and the first motor blocking member is arranged on a side of the drive nut moving away from the tool holder.

[0028] Preferably, the tool adjustment module further comprises a mounting frame, the power device is mounted on the mounting frame, and the first motor stalling member is arranged on the mounting frame.

[0029] Preferably, the tool adjustment module further comprises a second motor blocking member, and the second motor blocking member is arranged on a side of the drive nut moving toward the tool holder.

[0030] Preferably, the adjustment device further comprises a tool changing mechanism, and the tool changing mechanism comprises a tool changing top rod provided corresponding to the tool fixing assembly and a tool changing rod driving mechanism transmission-connected to the tool changing top rod.

[0031] Preferably, the tool-changing ejector rod is provided with a through hole, and is sleeved on the ejector rod through the through hole.

[0032] Preferably, the tool holder body is provided with a component mounting hole and a tool extension hole connected to the component mounting hole, and the tool fixing component can be slidably arranged in the component mounting hole; the tool fixing component includes: a first tool mounting bearing arranged at the first end of the component mounting hole, a second tool mounting bearing arranged at the second end of the component mounting hole, and a return spring abutting against the first tool mounting bearing and the second tool mounting bearing at both ends, and the push rod is connected to the first tool mounting bearing.

[0033] Preferably, the first tool mounting bearing is provided with a magnetic attraction structure.

[0034] The present invention also provides a film cutting device, comprising any of the above-mentioned regulating devices.

[0035] The above technical solution provided by the embodiment of the present application has the following advantages compared with the prior art:

[0036] The adjustment method provided in the embodiment of the present application pre-adjusts the zero point position, and then adjusts the extended length of the tool according to the preset tool length information provided by the standard film, and then cuts the standard film. By adjusting the extended length multiple times according to the preset gear, the cutting achieves the best effect, and records the best cutting gear and updates it to all standard film information, providing an information basis for the extended length for subsequent cutting of the standard film, thereby avoiding processing errors caused by manual adjustment and avoiding the tip damage rate caused by fixture adjustment.

[0037] In a further embodiment, after the tool is replaced, the tool can be precisely adjusted by cycling the above embodiment, and errors caused by tool production can also be avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0039] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0040] One or more embodiments are exemplarily described by pictures in the corresponding drawings, and these exemplified descriptions do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0041] Figure 1 A schematic diagram of the structure of the regulating device provided in the embodiment of the present application;

[0042] Figure 2 A schematic diagram of the structure decomposition of the regulating device provided in an embodiment of the present application;

[0043] Figure 3 for Figure 1 Schematic diagram of the AA section structure;

[0044] Figure 4 A schematic diagram of the structure of a tool adjustment module provided in an embodiment of the present application;

[0045] Figure 5 A schematic diagram of the drive nut structure provided in an embodiment of the present application;

[0046] Figure 6 A schematic diagram of the mounting frame structure provided in an embodiment of the present application;

[0047] Figure 7 A schematic diagram of the structure of a tool changing mechanism provided in an embodiment of the present application;

[0048] Figure 8 A schematic diagram of the tool holder structure provided in an embodiment of the present application.

[0049] Description of reference numerals:

[0050] Tool holder 1, tool holder body 10, tool fixing assembly 11, assembly mounting hole 101, tool extension hole 102, first tool mounting bearing 111, second tool mounting bearing 112, return spring 113, magnetic attraction structure 1111;

[0051] Tool adjustment module 2, ejector 20, ejector drive mechanism 21, power device 22, guide rod 23, mounting frame 24, first motor blocking member 25, second motor blocking member 26, tool changing mechanism 27, housing 29, drive nut 211, screw rod 212, nut body 2110, screw hole 2111, ejector connecting portion 2112, guide hole 2113, tool changing ejector 271, through hole 2710, first housing 291, second housing 292;

[0052] Tool 3. DETAILED DESCRIPTION

[0053] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0054] The disclosure below provides many different embodiments or examples to implement different structures of the present invention. In order to simplify the disclosure of the present invention, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present invention. In addition, the present invention can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0055] For ease of description, spatial relative terms may be used herein to describe the relative positional relationship or movement of one element or feature relative to another element or feature as shown in the figure, such as "inside", "outside", "inner side", "outer side", "below", "below", "above", "above", "front", "back", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure undergoes a position flip or a posture change or a motion state change, then these directional indications also change accordingly, for example: an element described as "below other elements or features" or "below other elements or features" will subsequently be oriented as "above other elements or features" or "above other elements or features". Therefore, the example term "below..." may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative descriptors used herein are interpreted accordingly.

[0056] The tool length adjustment method provided in the embodiment of the present application can be applied to the film cutting process of the film cutting equipment to adjust the length of the tool extension so that the film cutting depth is consistent. Specifically, the method includes:

[0057] S1, based on the preset tool zero position information, adjust the tool to the zero position.

[0058] Specifically, the tool zero position information is the basis for adjusting the tool extension length. Each tool is adjusted in length based on the zero position to ensure that the adjusted length is consistent, thereby avoiding errors caused by manual or fixtures.

[0059] S2, obtaining standard film information, wherein the standard film information includes tool preset length information of the tool.

[0060] In this embodiment, the standard film information is information based on a type of film to be cut. The standard film information may include the material, thickness and tool preset length information of the film, among which the tool preset length information is indispensable. A preset tool extension length is provided for each type of film. The preset tool extension length is close to the actual required extension length, but it is not necessarily the optimal length, because, during actual cutting, the preset extension length may not meet the actual cutting requirements due to various equipment and tool errors.

[0061] S3, adjusting the tool extension length of the tool based on the tool preset length information.

[0062] Specifically, based on the preset length information of the tool, adjusting the extension length of the tool is performed based on the zero point position of the tool and the preset length information of the tool.

[0063] S4, cutting the standard film, and based on the preset gear, adjusting the tool extension length multiple times to determine the best cutting gear, and recording the best cutting gear information of the current standard film.

[0064] In this embodiment, the preset gear can be designed according to the cutting accuracy. The higher the cutting accuracy, the smaller the adjustment length corresponding to a single gear, and the more corresponding gears may be. Through the preset adjustment gear, on the basis of the preset extension length of the tool, adjustment is performed while cutting. By comparison, it can be determined which gear is the best cutting gear, and the gear information corresponding to the standard film being cut at this time is recorded, which is the best cutting gear information.

[0065] S5, updating the optimal cutting gear information into the standard film information.

[0066] In this embodiment, the tool extension length information of the standard film information is updated. In subsequent cutting, for the same type of film as the standard film, the tool extension length can be adjusted based on the tool preset length information and the optimal cutting gear information, thereby achieving uniform precision cutting of the film.

[0067] In a further embodiment, the tool length adjustment method further comprises:

[0068] S6, after replacing the worn tool, repeat steps S1-S5.

[0069] Specifically, after a long period of cutting, the cutting tool is worn and the cutting accuracy decreases. After the tool is replaced, since the tool itself has a processing error, the influence of the tool processing error on the film cutting accuracy can be eliminated by repeating the above steps.

[0070] In this embodiment, step S1 includes:

[0071] S10, determine the tool reference point through hard limit;

[0072] S11, adjusting the tool to the zero position based on the tool reference point and the tool zero position information.

[0073] To ensure the accuracy of the tool zero position, it is necessary to ensure the accuracy of the zero position by setting a hard limit. Specifically, when the tool is adjusted to the zero position, the tool is first adjusted to the tool reference point, and then extended or retracted according to a preset length, so that the tool reaches the same zero position each time, avoiding the error of the zero position. For example, in one embodiment, the tool is first retracted by limiting the return of the tool at the hard limit, so that the tool is retracted to the tool reference point, and based on the reference point, the tool is extended according to a preset length, for example, 0.5mm, to return the tool to the zero position. Each time the tool is adjusted, it is first returned to the zero position to ensure that the subsequent adjustment is accurate.

[0074] In this embodiment, in the step S4, the preset gear position includes a shortening gear position and an extending gear position based on the preset length information of the tool.

[0075] Further, the shortening gear includes at least two gears, and the lengthening gear includes at least two gears. Multiple gears can ensure the accuracy of adjustment. The more gears there are, the shorter the corresponding single gear adjustment length is, and the higher the accuracy is.

[0076] Based on the above embodiments, Figure 1-3 As shown, the present invention also provides an adjustment device, including: a tool holder 1 and a tool adjustment module 2.

[0077] The tool holder 1 comprises a tool holder body 10 and a tool fixing assembly 11 axially slidably arranged on the tool holder 10 . The slidably arranged tool fixing assembly 11 provides the necessary condition for adjusting the extension length of the tool.

[0078] The tool adjustment module 2 includes: a push rod 20, a push rod driving mechanism 21 and a power device 22. The push rod 20 is connected to the tool fixing assembly 11, the push rod driving mechanism 21 is transmission connected to the push rod 20, and the power device 22 is transmission connected to the push rod driving mechanism 21.

[0079] In a further embodiment, in order to realize modular production and modular assembly of products, the tool adjustment module 2 may also be provided with a shell 29 to provide a structural basis for the coordination and assembly of various components. Specifically, the shell 29 may include a first shell 291 and a second shell 292, which provide structural support and protection for the power unit 22 and the transmission part respectively.

[0080] In this embodiment, combined with Figure 4 As shown, the push rod driving mechanism 21 includes: a driving nut 211 and a screw 212, the screw 212 is drivingly connected to the output shaft of the power device 22, the screw 212 is threadedly connected to the driving nut 211, and the driving nut 211 is fixedly connected to the push rod 20. The screw nut transmission is a high-precision transmission mechanism, which provides an accurate basis for adjusting the extension length of the tool of the film cutting device. In one embodiment, the push rod 20 and the driving nut 211 can be an integrally processed structure to reduce the assembly error between the two.

[0081] In another embodiment, the push rod driving mechanism 21 can also be realized by a ball screw or a gear rack.

[0082] As an optional embodiment, the power device 22 can be an electric motor, or an electric motor with a reduction mechanism, which can accurately output power based on a driving signal.

[0083] In this embodiment, if Figure 5 As shown, the driving nut 211 includes: a nut body 2110 and a push rod connecting portion 2112, the nut body 2110 is provided with a screw hole 2111, the push rod connecting portion 2112 is arranged along the periphery of the screw hole 2111 and extends toward the tool holder 1, the push rod 20 is connected to the push rod connecting portion 2112 and is coaxial with the screw hole 2111, and the push rod connecting portion 2112 is arranged along the periphery of the screw hole 2111, which can avoid the influence on the transmission of the screw rod 212. At the same time, by arranging the push rod 20 and the screw hole 2111 coaxially, the influence of the force arm generated in the transmission process can be avoided, resulting in slight precision errors.

[0084] Furthermore, a guide hole 2113 is provided on the outer periphery of the screw hole 2111, and the push rod driving mechanism 21 also includes a guide rod 23 arranged on the guide hole 2113. The setting of the guide rod 23 can ensure the accuracy of the driving nut 211 during the transmission process, and avoid slight deviations during the movement of the driving nut 211, which may lead to a decrease in the tool adjustment accuracy.

[0085] Of course, as another alternative implementation, the guiding of the driving nut 211 may also be achieved through a guiding groove. Correspondingly, a corresponding structure corresponding to the shape of the guiding groove is provided on the driving nut 211.

[0086] In a further embodiment, in combination Figure 3 and Figure 6 As shown, the tool adjustment module 2 further includes a mounting frame 24 , the power device 22 is mounted on the mounting frame 24 , and the guide rod 23 is arranged on the mounting frame 24 .

[0087] Furthermore, the tool adjustment module 2 also includes a first motor stall 25, and the first motor stall 25 is arranged on the side of the drive nut 211 away from the movement of the tool holder. Specifically, the first motor stall 25 can be arranged on the mounting frame 24 (integrally formed with the mounting frame 24), and of course, it can also be arranged on a relatively fixed shell 29. The first motor stall 25 acts as a hard limit and can provide an adjustment reference point for the tool adjustment module 2. When the power device 22 drives the tool to retract, the power device 22 (i.e., the motor) is blocked and stopped due to the restriction of the first motor stall 25, and the drive nut 211 is blocked at this position. Each adjustment process can make the drive nut 211 blocked at this position, thereby ensuring that each adjustment of the tool is based on this reference point, thereby ensuring the accuracy of each adjustment.

[0088] In a further embodiment, the tool adjustment module 2 further includes a second motor blocking member 26, which is disposed on the side of the drive nut 211 moving toward the tool holder. The second motor blocking member 26 can prevent the drive nut 211 from over-displacing under the drive of the power device 22, causing the screw rod 212 to hit the push rod connection portion 2112, resulting in damage to the screw rod 212 or poor precision.

[0089] In this embodiment, Figure 7 As shown, the adjustment device further includes a tool changing mechanism 27 , and the tool changing mechanism 27 includes a tool changing top rod 271 provided corresponding to the tool fixing assembly 11 and a tool changing rod driving mechanism 272 which is transmission-connected to the tool changing top rod 271 .

[0090] Specifically, the knife-changing drive mechanism 272 can be a manual drive mechanism, combined with Figure 1 , Figure 3 and Figure 7 As shown, the tool changing rod driving mechanism 272 is a manual paddle, which is arranged outside the shell and connected to the tool changing push rod 271 inside the shell. By toggling the manual paddle, the tool changing push rod 271 can be pushed out of the tool fixing assembly 11 and then the tool 3.

[0091] Further, the tool change push rod 271 is provided with a through hole 2710, and is sleeved on the push rod 20 through the through hole 2710. In this way, the push rod 20 can be used as a guide to ensure the stability of the movement of the tool change push rod 271.

[0092] In this embodiment, reference Figure 3 and Figure 8 As shown, the tool holder body 10 is provided with a component mounting hole 101 and a tool extension hole 102 connected with the component mounting hole 101, and the tool fixing component 11 is slidably arranged in the component mounting hole 101; the tool fixing component 11 comprises: a first tool mounting bearing 111 arranged at the first end of the component mounting hole 101, a second tool mounting bearing 112 arranged at the second end of the component mounting hole 101, and a reset spring 113 with two ends respectively abutting against the first tool mounting bearing 111 and the second tool mounting bearing 112, and the push rod 20 is abutted against the first tool mounting bearing 111. The reset spring 113 always maintains the elastic force on the first tool mounting bearing 111, so that the first tool mounting bearing 111 always abuts against the push rod 20, thereby avoiding the generation of adjustment gap.

[0093] Furthermore, the first tool mounting bearing 111 is provided with a magnetic attraction structure 1111 to facilitate quick installation of the tool and simplify the structure of the tool fixing assembly.

[0094] Based on the above adjustment device, the tool adjustment method is as follows:

[0095] T1, the power device 22 (taking the motor as an example) rotates counterclockwise to make the tool enter the retraction operation, and the drive nut 211 moves back until it hits the first motor blocking member 25. When the blocking force reaches a certain level, the position is assumed to be the reference point. After confirming the reference point, based on the preset tool zero position information (for example, the tool zero position information is extended by 0.5 mm), the power device 22 rotates clockwise to adjust the tool to extend 0.5 mm to the zero position;

[0096] T2, obtaining standard film information by manual input or code scanning, wherein the standard film information includes tool preset length information of the tool, thereby determining the tool length required for cutting the standard film;

[0097] T3, based on the preset length information of the tool, the power device 22 rotates clockwise, and the driving nut 211 moves axially away from the power device 22, while driving the push rod 20 to push against the tool fixing assembly 11 and the tool 3 fixed thereon to move the same distance, that is, the tool length required for cutting the standard film;

[0098] T4, cutting the standard film, based on the preset gear, according to the preset five shortening gears and five lengthening gears, adjust the tool extension length in sequence, and perform a cut each time by adjusting one gear. By comparison, determine the best cutting gear, and record the best cutting gear information of the current standard film;

[0099] T5, updating the optimal cutting gear information into the standard film information;

[0100] T6, when changing the tool, manually move the tool changing rod driving mechanism 272 (i.e., the manual shifter) to make the tool changing top rod descend and hold the first tool mounting bearing 111 to descend together. When the tool extends out of the tool holder 1 for a long distance, pull out the tool to be replaced manually or by tools, and put in a new tool 3 at the same time, and then repeat the above steps T1-T5 to readjust the tool length to eliminate the processing error of the tool itself.

[0101] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0102] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0103] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0104] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be connected, detachably connected, or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0105] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0106] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms should not be understood as necessarily being directed to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification.

[0107] Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

[0108] The above is a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed in the present application, and these modifications or replacements should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A tool length adjustment method, characterized in that: include: S1, based on the preset tool zero position information, adjusting the tool to the zero position; S2, obtaining standard film information, wherein the standard film information includes tool preset length information of the tool; S3, adjusting the tool extension length of the tool based on the tool preset length information; S4, cutting the standard film, and adjusting the extension length of the cutter multiple times based on the preset gear position, determining the best cutting gear position, and recording the best cutting gear position information of the current standard film; S5, updating the optimal cutting gear information into the standard film information.

2. The tool length adjustment method according to claim 1, characterized in that: The tool length adjustment method further comprises: S6, after replacing the worn tool, repeat steps S1-S5.

3. The tool length adjustment method according to claim 1 or 2, characterized in that: The step S1 comprises: S10, determine the tool reference point through hard limit; S11, adjusting the tool to the zero position based on the tool reference point and the tool zero position information.

4. The tool length adjustment method according to claim 1, characterized in that: In the step S4, the preset gear position includes a shortening gear position and an elongating gear position based on the preset length information of the tool; the shortening gear position includes at least two gear positions, and the elongating gear position includes at least two gear positions.

5. A regulating device based on the method according to any one of claims 1 to 4, characterized in that: include: A tool holder (1) comprises a tool holder body (10) and a tool fixing assembly (11) axially slidably arranged on the tool holder (10); The tool adjustment module (2) comprises: a push rod (20), a push rod driving mechanism (21) and a power device (22); the push rod (20) is connected to the tool fixing assembly (11); the push rod driving mechanism (21) is connected to the push rod (20) in a transmission manner; and the power device (22) is connected to the push rod driving mechanism (21) in a transmission manner.

6. The adjusting device according to claim 5, characterized in that: The push rod driving mechanism (21) comprises: a driving nut (211) and a screw rod (212); the screw rod (212) is drivingly connected to an output shaft of the power device (22); the screw rod (212) is threadedly connected to the driving nut (211); and the driving nut (211) is fixedly connected to the push rod (20).

7. The adjusting device according to claim 6, characterized in that: The driving nut (211) comprises: a nut body (2110) and a push rod connecting portion (2112); the nut body (2110) is provided with a screw hole (2111); the push rod connecting portion (2112) is arranged along the outer periphery of the screw hole (2111) and extends in the direction of the tool holder (1); the push rod (20) is connected to the push rod connecting portion (2112) and is coaxial with the screw hole (2111); a guide hole (2113) is also arranged on the outer periphery of the screw hole (2111); the push rod driving mechanism (21) also comprises a guide rod (23) arranged on the guide hole (2113); the tool adjustment module (2) also comprises a mounting frame (24); the power device (22) is mounted on the mounting frame (24); and the guide rod (23) is arranged on the mounting frame (24).

8. The adjusting device according to claim 6, characterized in that: The tool adjustment module (2) further comprises a first motor stall (25), wherein the first motor stall (25) is arranged on a side of the drive nut (211) moving away from the tool holder; the tool adjustment module (2) further comprises a mounting frame (24), wherein the power device (22) is mounted on the mounting frame (24), and the first motor stall (25) is arranged on the mounting frame (24); the tool adjustment module (2) further comprises a second motor stall (26), wherein the second motor stall (26) is arranged on a side of the drive nut (211) moving toward the tool holder.

9. The adjusting device according to claim 5, characterized in that: The adjusting device further comprises a tool changing mechanism (27), wherein the tool changing mechanism (27) comprises a tool changing top rod (271) arranged corresponding to the tool fixing assembly (11) and a tool changing rod driving mechanism (272) drivingly connected to the tool changing top rod (271); the tool changing top rod (271) is provided with a through hole (2710), and is sleeved on the top rod (20) through the through hole (2710); The tool holder body (10) is provided with a component mounting hole (101) and a tool extension hole (102) connected to the component mounting hole (101); the tool fixing component (11) is slidably arranged in the component mounting hole (101); the tool fixing component (11) comprises: a first tool mounting bearing (111) arranged at a first end of the component mounting hole (101), a second tool mounting bearing (112) arranged at a second end of the component mounting hole (101), and a return spring (113) with two ends respectively abutting against the first tool mounting bearing (111) and the second tool mounting bearing (112); the push rod (20) is abutted against the first tool mounting bearing (111); the first tool mounting bearing (111) is provided with a magnetic attraction structure (1111).

10. A film cutting device, characterized in that: The invention comprises the regulating device as described in any one of claims 5 to 9.

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