Cutting device and cutting method for protective film on surface of metal plate

Abstract

The invention discloses a device and method for cutting a protective film on the surface of a metal plate, the device for cutting the protective film on the surface of the metal plate comprises an advancing guide rail, a driving assembly and a cutting assembly, the driving assembly is in transmission connection with the advancing guide rail, and the cutting assembly is connected with one side of the driving assembly; the cutting assembly comprises a mounting seat, a cutter and a floating part, a mounting groove is formed in the mounting seat, a positioning pin is arranged in the mounting groove, a connecting part of the cutter is connected with the positioning pin, a cutter point part of the cutter extends towards the outside of the mounting groove, a floating bolt hole is formed in the mounting seat, and the floating part is arranged at the top of the mounting seat; the output end of the floating piece extends into the mounting base through the floating plug pin hole and abuts against the top of the tool. The film tearing device has the beneficial effects that by means of the design, when a subsequent worker needs to use a metal plate, the worker can quickly tear off a protective film only along a reserved cutting line mark, the film tearing efficiency is improved, and meanwhile the metal plate is effectively prevented from being damaged by a cutter.

Description

[0001] The present invention relates to the technical field of cutting blade devices, in particular to a cutting device and a cutting method for a protective film on a metal plate surface. Background Art

[0002] In the metal sheet metal whole house customization industry, in order to prevent the metal sheet metal from being scratched during transportation, a protective film is usually attached to the surface of the metal sheet to prevent the metal sheet metal from being scratched. When the metal sheet metal needs to be assembled or spliced ​​together in subsequent use, the protective film needs to be torn off in advance. Faced with the problem of tearing off the film, companies have long been troubled.

[0003] At present, when most companies deal with the problem of film tearing, the method generally adopted is that the staff use handheld utility knife blades to scrape or cut the protective film of the metal sheet to achieve the purpose of removing the protective film. Scraping or cutting can easily cause scratches or other damage to the metal sheet panel, and using scraping or cutting to clean the protective film greatly increases the workload of the staff and reduces the efficiency of film tearing. Summary of the Invention

[0004] In response to the above-mentioned defects, the purpose of the present invention is to propose a cutting device and a cutting method for the protective film on the surface of a metal plate, which can reserve a cutting line for the film without damaging the surface of the metal plate, so that the staff can quickly tear off the protective film when they need to use the metal plate, thereby reducing the workload of the staff and improving the efficiency of film tearing.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] A device for cutting a protective film on the surface of a metal plate, comprising a travel guide rail, a drive assembly and a cutting assembly, wherein the drive assembly is transmission-connected to the travel guide rail, and the cutting assembly is detachably connected to one side of the drive assembly; the cutting assembly comprises a mounting seat, a tool and a floating member, the mounting seat is provided with a mounting groove, a positioning pin is provided inside the mounting groove, the connecting portion of the tool is connected to the positioning pin, the tip of the tool extends to the outside of the mounting groove, the mounting seat is provided with a floating pin hole, the floating member is provided at the top of the mounting seat, the output end of the floating member extends to the inside of the mounting seat through the floating pin hole, and the output end of the floating member abuts against the top of the tool.

[0007] Preferably, in the above-mentioned device for cutting the protective film on the surface of the metal plate, the floating part includes a fixed seat, an adjusting part, a floating spring and a ejector pin, the fixed seat is arranged on the top of the mounting seat, the fixed seat is provided with a connecting groove, the connecting groove is connected to the floating pin hole, the output end of the adjusting part extends to the inside of the connecting groove, the output end of the adjusting part is connected to one end of the floating spring, the other end of the floating spring is connected to the ejector pin, and the ejector pin abuts against the tool.

[0008] Preferably, in the above-mentioned cutting device for the protective film on the surface of the metal plate, the adjusting part includes an adjusting screw and an extension rod, the adjusting screw is connected to the extension rod, the inner wall of the connecting groove is provided with an internal thread, the internal thread is used to cooperate with the adjusting screw thread, and the extension rod can abut against the floating spring.

[0009] Preferably, in the above-mentioned device for cutting the protective film on the surface of the metal plate, the ejector pin is provided with a limiting recessed groove, and the other end of the floating spring is arranged inside the limiting recessed portion.

[0010] Preferably, in the above-mentioned device for cutting the protective film on the surface of the metal plate, the cutter is arranged at an angle.

[0011] Preferably, in the above-mentioned device for cutting the protective film on the surface of the metal plate, the positioning part includes a reset spring and a connecting pin, a positioning hole is provided at the bottom of the mounting seat, and the positioning hole is provided below the positioning pin, one end of the reset spring is connected to the connecting pin, and after the connecting pin is connected to the positioning hole, the other end of the reset spring abuts against the connecting part of the tool.

[0012] Preferably, the above-mentioned device for cutting the protective film on the surface of the metal plate further includes a pulley set, and the pulley set is rotatably connected to the mounting seat.

[0013] Preferably, in the above-mentioned device for cutting the protective film on the surface of the metal plate, the pulley group is provided with at least two groups, the two groups of sliding groups are arranged opposite to each other, and the two groups of sliding groups are rotatably connected to the mounting seat.

[0014] A cutting method, characterized in that the steps include:

[0015] A. Place the metal plate: First, place the metal plate with protective film steadily under the cutting assembly;

[0016] B. Drive the cutting assembly: The worker turns on the drive assembly, which drives the cutting assembly to move horizontally;

[0017] C. Marking cutting lines: During the translation process, the cutting component uses the output end of the cutting component to mark the cutting lines on the protective mold on the surface of the metal plate;

[0018] D. Complete the return stroke: After completing the cutting line marking, the driving component drives the cutting component to reset and return again.

[0019] Preferably, the above-mentioned cutting method is characterized in that it further includes step E, if it is necessary to mark the cutting lines on the metal plate multiple times, repeating the above-mentioned steps A. placing the metal plate, B. driving the cutting assembly, C. marking the cutting line and D. completing the return stroke.

[0020] Beneficial effects of the present invention:

[0021] (1) The driving assembly is connected to the guide rail transmission, and the driving assembly is connected to the cutting assembly. Therefore, the driving assembly can drive the cutting assembly to perform horizontal cutting lines. When it is necessary to mark the cutting lines on the protective film on the surface of the metal plate, the metal plate is first placed steadily under the cutting assembly. The staff only needs to start the driving assembly, and the driving assembly and the travel guide rail are used to drive the cutting assembly to move, and then the output end of the cutting assembly is used to reserve cutting lines for the protective film on the surface of the metal plate. This design allows subsequent staff to quickly tear off the protective film of the metal plate along the reserved cutting line marks when they need to use the metal plate, thereby improving the efficiency of film tearing.

[0022] (2) The cutting assembly includes a mounting seat, a tool and a floating member, which is connected to a positioning pin provided inside the mounting groove through the connecting portion of the tool, and the tip of the tool extends to the outside of the mounting groove. Since a floating member is provided in the floating pin hole, and the floating member has a reaction force, one end of the floating member abuts against the top of the tool, so that the tool has a floating function. Therefore, when the tool is marking the cutting line on the protective film of the metal plate, the risk of the tool cutting the line too hard and causing cutting or scratching of the metal plate is effectively avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic structural diagram of one embodiment of the present invention;

[0024] Figure 2 An exploded view of one embodiment of the present invention;

[0025] Figure 3 Schematic diagram of the structure of the mounting base;

[0026] Figure 4 Schematic diagram of the structure of the ejector pin.

[0027] Among them: it includes: a travel guide rail 11, a drive component 12, a cutting component 13, a mounting seat 14, a tool 15, a floating part 16, a mounting groove 17, a positioning pin 18, a floating pin hole 19, a fixing seat 20, an adjusting part 21, a floating spring 22, a push pin 23, a connecting groove 24, an adjusting screw 25, an extension rod 26, a limiting recess 27, a positioning part 28, a reset spring 281, a connecting pin 282, a positioning hole 29, and a pulley assembly 30. DETAILED DESCRIPTION

[0028] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0029] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying 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.

[0030] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0031] In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0032] like Figures 1 to 4As shown, a cutting device for a protective film on the surface of a metal plate comprises a travel guide rail 11, a driving assembly 12 and a cutting assembly 13, wherein the driving assembly 12 is connected to the travel guide rail for transmission, and the cutting assembly 13 is detachably connected to one side of the driving assembly 12; the cutting assembly 13 comprises a mounting seat 14, a tool 15 and a floating member 16, the mounting seat 14 is provided with a mounting groove 17, a positioning pin 18 is provided inside the mounting groove 17, the connecting portion of the tool 15 is connected to the positioning pin 18, the tip of the tool 15 extends to the outside of the mounting groove 17, the mounting seat 14 is provided with a floating pin hole 19, the floating member 16 is provided at the top of the mounting seat 14, the output end of the floating member 16 extends to the inside of the mounting seat 14 through the floating pin hole 19, and the output end of the floating member 16 abuts against the top of the tool 15; The driving assembly 12 is dynamically connected, and the driving assembly 12 is connected to the cutting assembly 13. Therefore, the driving assembly 12 can drive the cutting assembly 13 to perform a translational cutting line. When it is necessary to mark the cutting line on the protective film on the surface of the metal plate, the metal plate is first placed stably under the cutting assembly 13. The staff only needs to start the driving assembly 12, and the driving assembly 12 cooperates with the travel guide rail 11 to drive the cutting assembly 13 to move, and then the protective film on the surface of the metal plate is reserved for cutting line marking through the output end of the cutting assembly 13. This design enables subsequent staff to quickly tear off the protective film of the metal plate along the reserved cutting line mark when they need to use the metal plate, thereby improving the film tearing efficiency. It should also be specifically noted that the driving assembly can be specific to a linear motor, and linear motors can be obtained through market procurement.

[0033] It is worth noting that the cutting assembly 13 includes a mounting seat 14, a tool 15 and a floating part 16, which is connected to the positioning pin 18 provided inside the mounting groove 17 through the connecting part of the tool 15, and the tip of the tool 15 extends to the outside of the mounting groove 17. Since the floating pin hole 19 is provided with a floating part 16, and the floating part 16 has a reaction force, one end of the floating part 16 is in contact with the top of the tool 15, so that the tool 15 has a floating function. Therefore, when the tool 15 is cutting and marking the protective film of the metal plate, the risk of the tool 15 cutting with excessive force and causing cutting or scratching of the metal plate is effectively avoided.

[0034] The cutting device for the protective film on the surface of the metal plate in this embodiment, wherein the floating part 16 includes a fixed seat 20, an adjusting part 21, a floating spring 22 and a ejector pin 23, the fixed seat 20 is arranged on the top of the mounting seat 14, the fixed seat 20 is provided with a connecting slot 24, the connecting slot 24 is connected to the floating pin hole 19, the output end of the adjusting part 21 extends to the inside of the connecting slot 24, the output end of the adjusting part 21 is connected to one end of the floating spring 22, the other end of the floating spring 22 is connected to the ejector pin 23, and the ejector pin 23 abuts against the tool 15; since the floating part 16 includes a fixed seat 20, an adjusting part 21, a floating spring 22 and a ejector pin 23, pressure is applied to one end of the floating spring 22 by the adjusting part 21, and since the other end of the floating spring 22 is connected to the ejector pin 23, it finally abuts against the tool 15 through the ejector pin 23, and under the reaction force of the floating spring 22, the tool 15 achieves the purpose of floating.

[0035] The cutting device for the protective film on the surface of the metal plate in this embodiment, wherein the adjusting member 21 includes an adjusting screw 25 and an extension rod 26, the adjusting screw 25 is connected to the extension rod 26, the inner wall of the connecting groove 24 is provided with an internal thread, the internal thread is used to be threadedly connected with the adjusting screw 25, and the extension rod 26 can abut against the floating spring 22; the adjusting key includes an adjusting screw 25 and an extension rod 26, when it is necessary to cut a thicker protective film, a certain pressure needs to be applied to the tool 15, and the staff only needs to adjust the tightness of the adjusting screw 25 by turning the knob When the staff turns the adjusting screw 25 toward the inside of the connecting slot 24, the adjusting screw 25 drives the extension rod 26 to extend toward the connecting slot 24. When the extension rod 26 extends toward the connecting slot 24, the end of the extension rod 26 squeezes the floating spring 22, reducing the reset tension of the floating spring 22, thereby increasing the cutting force of the tool 15; when the staff turns the adjusting screw 25 in the opposite direction, the floating spring 22 drives the ejector pin 23 to reset, thereby achieving the purpose of retracting the tool 15 into the mounting slot 17.

[0036] In some embodiments of the cutting device for the protective film on the surface of the metal plate, the ejector pin 23 is provided with a limiting recessed groove, and the other end of the floating spring 22 is arranged inside the limiting recessed portion 27; such a design can limit the floating spring 22 to avoid offset.

[0037] In some embodiments of the device for cutting the protective film on the surface of the metal plate, the tool 15 is set at an angle; such a design can better cut the protective film of the metal plate, and only allows the tip of the tool 15 to contact the protective film, further reducing the purpose of scratching the surface of the metal plate.

[0038] The cutting device for the protective film on the surface of the metal plate in this embodiment, wherein the positioning part 28 includes a reset spring 281 and a connecting pin 282, a positioning hole 29 is provided at the bottom of the mounting seat 14, and the positioning hole 29 is provided below the positioning pin 18, one end of the reset spring 281 is connected to the connecting pin 282, and after the connecting pin 282 is connected to the positioning hole 29, the other end of the reset spring 281 abuts against the connecting part of the tool 15; the reset spring 281 enables the tool 15 to adjust the tilt angle; it should be specifically explained that when the staff stops the cutting work, when the staff turns the adjusting screw 25 in the opposite direction, the floating spring 22 drives the ejector pin 23 to reset, and under the reaction force of the reset spring 281, the reset spring 281 lifts the inside of the mounting groove 17 in the tool 15, so that the tool 15 can be better inserted into the mounting groove 17.

[0039] The cutting device for the protective film on the surface of the metal plate in this embodiment also includes a pulley group 30, which is rotatably connected to the mounting base 14; the pulley group 30 is provided with at least two groups, the two sliding groups are arranged opposite to each other, and the two sliding groups are both rotatably connected to the mounting base 14; this design makes the cutting component 13 smoother and more fluent when following the movement of the driving component 12.

[0040] A cutting method, wherein the steps include:

[0041] A. Place the metal plate: First, place the metal plate with the protective film steadily under the cutting assembly 13;

[0042] B. Driving the cutting assembly 13: The worker turns on the driving assembly 12, which drives the cutting assembly 13 to move horizontally;

[0043] C. Marking the cutting line: During the translation process, the cutting assembly 13 performs cutting line marking on the protective mold on the surface of the metal plate through the output end of the cutting assembly 13;

[0044] D. Return stroke completed: After the cutting line marking is completed, the driving assembly 12 drives the cutting assembly 13 to return to its original position.

[0045] The cutting method in this embodiment further includes step E. If the metal plate needs to be marked with cutting lines multiple times, the above steps A. placing the metal plate, B. driving the cutting assembly 13, C. marking the cutting line and D. completing the return stroke are repeated.

[0046] The technical principles of the present invention have been described above with reference to specific embodiments. These descriptions are intended solely to illustrate the principles of the present invention and are not to be construed in any way as limiting the scope of protection of the present invention. Based on the explanations herein, those skilled in the art will readily conceive of other specific embodiments of the present invention without inventive effort, and such embodiments will fall within the scope of protection of the present invention.

Claims

1. A device for cutting a protective film on a metal plate surface, comprising a travel guide rail, a drive assembly, and a cutting assembly, characterized in that: The driving assembly is connected to the guide rail in a transmission manner, and the cutting assembly is detachably connected to one side of the driving assembly; The cutting assembly includes a mounting seat, a tool and a floating member. The mounting seat is provided with a mounting groove, a positioning pin is provided inside the mounting groove, the connecting portion of the tool is connected to the positioning pin, the tip of the tool extends to the outside of the mounting groove, the mounting seat is provided with a floating pin hole, the floating member is provided at the top of the mounting seat, the output end of the floating member extends to the inside of the mounting seat through the floating pin hole, and the output end of the floating member abuts against the top of the tool.

2. The device for cutting a protective film on a metal plate surface according to claim 1, characterized in that: The floating member includes a fixed seat, an adjusting member, a floating spring and a ejector pin. The fixed seat is arranged on the top of the mounting seat. The fixed seat is provided with a connecting groove, which is connected to the floating pin hole. The output end of the adjusting member extends to the inside of the connecting groove. The output end of the adjusting member is connected to one end of the floating spring, and the other end of the floating spring is connected to the ejector pin. The ejector pin abuts against the tool.

3. The device for cutting a protective film on a metal plate surface according to claim 2, characterized in that: The adjusting member includes an adjusting screw and an extension rod. The adjusting screw is connected to the extension rod. The inner wall of the connecting groove is provided with an internal thread. The internal thread is used to cooperate with the adjusting screw thread. The extension rod can abut against the floating spring.

4. The device for cutting a protective film on a metal plate surface according to claim 2, characterized in that: The ejector pin is provided with a limiting recessed groove, and the other end of the floating spring is arranged inside the limiting recessed portion.

5. The device for cutting a protective film on a metal plate surface according to claim 1, characterized in that: The tool is arranged tilted.

6. The device for cutting a protective film on a metal plate surface according to claim 1, characterized in that: The positioning member includes a reset spring and a connecting pin. A positioning hole is provided at the bottom of the mounting seat, and the positioning hole is provided below the positioning pin. One end of the reset spring is connected to the connecting pin. After the connecting pin is connected to the positioning hole, the other end of the reset spring abuts against the connecting part of the tool.

7. The device for cutting a protective film on a metal plate surface according to claim 1, characterized in that: It also includes a pulley set, which is rotatably connected to the mounting seat.

8. The device for cutting a protective film on a metal plate surface according to claim 1, characterized in that: The pulley group is provided with at least two groups, the two groups of sliding groups are arranged opposite to each other, and the two groups of sliding groups are both rotatably connected to the mounting seat.

9. A cutting method, characterized in that: The steps include: A. Place the metal plate: First, place the metal plate with protective film steadily under the cutting assembly; B. Drive the cutting assembly: The worker turns on the drive assembly, which drives the cutting assembly to move horizontally; C. Marking cutting lines: During the translation process, the cutting component uses the output end of the cutting component to mark the cutting lines on the protective mold on the surface of the metal plate; D. Complete the return stroke: After completing the cutting line marking, the driving component drives the cutting component to reset and return again.

10. The cutting method according to claim 9, wherein: The method further includes step E, wherein if the metal plate needs to be marked with cutting lines multiple times, the above steps of A. placing the metal plate, B. driving the cutting assembly, C. marking the cutting line, and D. completing the return stroke are repeated.

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