Protective film waste removing and recycling mechanism of die cutting machining equipment and die cutting machining equipment

Abstract

The utility model relates to a protective film waste removing and recycling mechanism of die cutting machining equipment and the die cutting machining equipment, the recycling mechanism comprises a base used for being connected with the die cutting machining equipment, and a waste removing cutter and a static bar are installed on the base; the waste removing cutter comprises a scraper and a dead knife which are correspondingly installed, a waste removing gap allowing a protective film to pass through is formed between the scraper and the dead knife, and the position of at least one of the scraper and the dead knife can be adjusted so as to adjust the size of the waste removing gap; the static bar is provided with a plurality of air holes facing the waste removing gap, the static bar is provided with an air connecting port, and the air connecting port is communicated with the air holes. According to the improved protective film waste removing mechanism, the size of the waste removing gap between the scraper and the dead knife can be adjusted, so that the improved protective film waste removing mechanism is suitable for removing waste with different thicknesses, static electricity in the waste removing process is removed through the static bar, the phenomenon that waste flies around and enters the machine gap is effectively avoided, and the service life of the machine is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of die-cutting processing, in particular to a protective film recycling mechanism of die-cutting processing equipment. Background Art

[0002] After the mobile phone back shell foam adhesive is die-cut and formed, the remaining waste materials such as foam adhesive are attached to the protective film and conveyed out. To reduce production costs, the protective film is usually recycled, and the waste materials attached to the protective film need to be removed before recycling. The protective film recycling structure configured in the existing die-cutting processing equipment has defects. For example, the applicability is poor, and it is inconvenient to flexibly adjust to remove waste materials of different thicknesses. Another example is that during the waste removal process, the waste materials fly randomly due to static electricity and easily enter the machine gaps, affecting the machine life. Therefore, there is room for improvement in the protective film waste removal and recycling technology of the existing die-cutting processing equipment. Summary of the Utility Model

[0003] The technical problem solved by the present disclosure is to provide an improved protective film waste removal and recycling mechanism for die-cutting processing equipment, and a die-cutting processing equipment having the mechanism.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a protective film waste removal and recycling mechanism for die-cutting processing equipment, the recycling mechanism includes a base for connecting with die-cutting processing equipment, and a waste removal tool and an electrostatic bar are installed on the base; the waste removal tool includes a scraper and a bottom knife which are correspondingly installed, and a waste removal gap for the protective film to pass through is formed between the scraper and the bottom knife, and the position of at least one of the scraper and the bottom knife is adjustable to adjust the size of the waste removal gap; a plurality of air holes facing the waste removal gap are provided on the electrostatic bar, and the electrostatic bar is configured with an air connection port, and the air connection port is communicated with the plurality of air holes.

[0005] For a protective film waste removal and recycling mechanism for die-cutting processing equipment as described above, a first roller and a second roller are provided on the base, and the first roller and the second roller are respectively arranged on both sides of the waste removal tool to form a passing gap with the waste removal tool respectively, and both the first roller and the second roller are located above the waste removal gap.

[0006] For a protective film waste removal and recycling mechanism for die-cutting processing equipment as described above, the bottom knife is fixed on the base, and the scraper is adjustably installed on the base and is located above the bottom knife.

[0007] For a protective film waste removal and recycling mechanism for die-cutting processing equipment as described above, a plurality of installation positions for installing the scraper are provided on the base, and each group of the installation positions has a different height compared with the bottom knife.

[0008] The waste film removal and recycling mechanism of a die-cutting processing device as described above, each of the installation positions uses a combination of screw holes and screws.

[0009] The waste film removal and recycling mechanism of a die-cutting processing device as described above, the base includes end plates at both ends and a cross beam disposed between the two end plates. The waste removal tool is located below the cross beam, the first roller and the second roller are respectively on both sides of the cross beam, and the static electricity bar is located below the first roller.

[0010] The waste film removal and recycling mechanism of a die-cutting processing device as described above, a handle is provided on the cross beam.

[0011] A die-cutting processing device includes a machine tool, and a return material conveying mechanism for conveying the waste film to be recycled is installed on the machine tool. The return material conveying mechanism is configured with the waste film removal and recycling mechanism as described in any one of the previous items.

[0012] Advantages of the present disclosure: The improved waste film removal mechanism can adjust the size of the waste removal gap between the scraping knife and the bottom knife, so as to be suitable for removing waste materials of different thicknesses. At the same time, the static electricity bar is used to remove static electricity during the waste removal process, effectively avoiding the phenomenon that waste materials fly into the machine gap, which is beneficial to extending the service life of the machine. The recycled protective film can be recycled, which is beneficial to reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Some specific embodiments of the present invention will be described in detail below in an exemplary and non-limiting manner. The same reference numerals in the drawings denote the same or similar components or parts. Those skilled in the art should understand that these drawings are not necessarily drawn to scale.

[0014] In the drawings:

[0015] Figure 1 is the first schematic diagram of the waste film removal and recycling mechanism of the present invention;

[0016] Figure 2 is the second schematic diagram of the waste film removal and recycling mechanism of the present invention;

[0017] The reference numerals in the drawings are explained as follows:

[0018] 1. Base; 10. End plate; 11. Cross beam; 12. Handle; 2. Bottom knife; 3. Scraping knife; 4. Waste removal gap; 5. Static electricity bar; 6. Air connection port; 7. First roller; 8. Second roller. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model.

[0020] Based on the described embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present utility model. Unless otherwise defined, the technical terms or scientific terms used in this disclosure shall have the ordinary meanings understood by those of ordinary skill in the art to which the present utility model pertains.

[0021] The terms "first", "second", and similar terms used in this disclosure do not denote any order, quantity, or importance, but are only used to distinguish different components. Similarly, terms such as "a", "an", or "the" do not denote a quantity limitation, but indicate the presence of at least one. The terms "comprising", "including", or similar terms mean that the elements or items appearing before the term cover the elements or items listed after the term and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" do not necessarily refer to a physical or mechanical connection, but may include an electrical connection, whether direct or indirect. The terms "upper", "lower", "left", "right", etc. are only used to represent relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0022] Referring to the attached Figure 1-2 , shown is a waste removal and recycling mechanism for the protective film of a die-cutting processing device. The recycling mechanism includes a base 1 for connecting to the die-cutting processing device. An anti-waste knife and an electrostatic bar 5 are installed on the base 1. The anti-waste knife includes a scraper 3 and a bottom knife 2 installed correspondingly. An anti-waste gap 4 for the protective film to pass through is formed between the scraper 3 and the bottom knife 2. The position of at least one of the scraper 3 and the bottom knife 2 is adjustable to adjust the size of the anti-waste gap 4. A plurality of air holes facing the anti-waste gap 4 are provided on the electrostatic bar 5, and the electrostatic bar 5 is configured with an air connection port 6, and the air connection port 6 communicates with the plurality of air holes.

[0023] The base 1 generally connects the entire recycling mechanism to the die-cutting processing equipment through bolts. After the foam adhesive on the mobile phone back cover is die-cut and formed, the remaining waste adheres to the protective film and is transported by the material return conveying mechanism of the equipment. The material return conveying mechanism usually includes a motor, conveying rollers, etc. The protective film moves forward in a preset direction under the drive of the conveying rollers. The protective film with waste attached passes through the waste removal gap 4 between the scraping knife 3 and the bottom knife 2. The waste removal gap 4 is adjusted to an appropriate size, and the waste attached to it is scraped off when the protective film passes through, thereby obtaining a clean protective film. The waste is collected and processed separately. When scraping the waste, the static electricity bar 5 is connected to the air flow equipment through the air connection port 6, and the air flow is blown towards the waste removal gap 4 through the air holes, effectively avoiding static electricity interference and reducing the phenomenon of waste flying around, which is beneficial to protecting the service life of the machine.

[0024] In some embodiments, the base 1 is provided with a first roller 7 and a second roller 8. The first roller 7 and the second roller 8 are respectively arranged on both sides of the waste removal tool to form a passing gap with the waste removal tool respectively, and both the first roller 7 and the second roller 8 are located above the waste removal gap 4. The protective film with waste attached passes through the passing gap between the first roller 7 and the waste removal tool from top to bottom, then passes through the waste removal gap 4, and then passes through the passing gap between the second roller 8 and the waste removal tool from bottom to top, and is conveyed in a V-shaped state. The protective film adheres to the first roller 7 and the second roller 8. Under the power action of the material return conveying mechanism, the first roller 7 and the second roller 8 will rotate accordingly to help convey the protective film, and in this process, it is beneficial for the protective film to be fully stretched, facilitating the cooperation between the scraping knife 3 and the bottom knife 2 to scrape off the waste.

[0025] In some embodiments, the bottom knife 2 is fixed on the base 1, and the scraping knife 3 is adjustably installed on the base 1 and is located above the bottom knife 2. The bottom knife 2 can be fixedly installed on the base 1 with bolts, while the scraping knife 3 is adjustable and is installed and fixed at different height positions to realize the adjustment of the width of the waste removal gap 4.

[0026] Specifically, the base 1 is provided with multiple groups of installation positions for installing the scraping knife 3, and each group of the installation positions is at a different height compared to the bottom knife 2. The bottom knife 2 is fixed on the base 1, and each group of installation positions is at a different height position with the bottom knife 2 as a reference. Select one group of installation positions according to actual needs to fix the scraping knife 3, so that the width of the waste removal gap 4 between the scraping knife 3 and the bottom knife 2 is appropriate, and the waste on the protective film can be scraped off better. Each group of installation positions can use screw holes and screws for cooperation. Multiple groups of screw holes with different heights are set on the base 1. After selecting the appropriate screw hole group, tighten and fix the scraping knife 3 with screws.

[0027] In some embodiments, the base 1 includes end plates 10 at both ends and a cross beam 11 disposed between the two end plates 10. The waste removing tool is located below the cross beam 11. The first roller 7 and the second roller 8 are respectively on both sides of the cross beam 11. The static electricity bar 5 is located below the first roller 7.

[0028] The end plates 10 can be a single integral component or assembled from multiple components. The cross beam 11 is disposed between the two end plates 10. A handle 12 can be provided on the cross beam 11 to facilitate the application of force during disassembly and assembly. The waste removing tool can be disposed directly below the cross beam 11 through the two end plates 10. The two ends of the bottom knife 2 are fixed to the end plates 10, and multiple sets of mounting positions can be provided on the two end plates 10 to achieve the adjustable mounting of the scraping knife 3. The static electricity bar 5 can also be fixed below the first roller 7 through the end plates 10, or structures such as support feet can extend from the end plates 10 to mount the static electricity bar 5. The static electricity bar 5 is disposed below the first roller 7, and a plurality of air holes face the waste removing gap 4 below the cross beam 11. After introducing air flow through an air flow device, air is blown towards the waste removing gap 4 to eliminate static electricity, dust, etc.

[0029] A die-cutting processing device is provided, including a machine tool. A return material conveying mechanism for conveying the waste protective film to be recycled is installed on the machine tool, and the return material conveying mechanism is configured with the waste protective film removing and recycling mechanism as described in any one of the previous items. The waste remaining after the die-cutting of the foam adhesive on the mobile phone back shell is conveyed to the waste protective film removing and recycling mechanism. After passing through the waste removing gap 4, the waste is removed, and then the protective film is recycled. During this process, the waste removing gap 4 between the scraping knife 3 and the bottom knife 2 responsible for removing the waste is adjustable, which can better adapt to the protective film passing through. At the same time, the action of the static electricity bar 5 also reduces the situation of waste flying during the waste removing process, avoids damage to the machine, and is beneficial to extending its service life.

[0030] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, various modifications, combinations, and changes can be made to the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims

1. A waste removal and recycling mechanism for the protective film of a die-cutting processing device, characterized in that: The recycling mechanism includes a base for connecting with the die-cutting processing device, and a waste removal tool and an electrostatic bar are installed on the base; The waste removal tool includes a scraper and a bottom knife installed correspondingly. A waste removal gap for the protective film to pass through is formed between the scraper and the bottom knife. The position of at least one of the scraper and the bottom knife is adjustable to adjust the size of the waste removal gap; A plurality of air holes facing the waste removal gap are provided on the electrostatic bar, and the electrostatic bar is configured with an air connection port, and the air connection port is communicated with the plurality of air holes.

2. The waste removal and recycling mechanism for the protective film of a die-cutting processing device according to claim 1, characterized in that: A first roller and a second roller are provided on the base. The first roller and the second roller are respectively arranged on both sides of the waste removal tool to form a passing gap with the waste removal tool respectively, and both the first roller and the second roller are located above the waste removal gap.

3. The waste removal and recycling mechanism for the protective film of a die-cutting processing device according to claim 2, characterized in that: The bottom knife is fixed on the base, and the scraper is adjustably installed on the base and is located above the bottom knife.

4. The waste removal and recycling mechanism for the protective film of a die-cutting processing device according to claim 3, characterized in that: A plurality of installation positions for installing the scraper are provided on the base, and each group of the installation positions has different heights compared with the bottom knife.

5. The waste removal and recycling mechanism for the protective film of a die-cutting processing device according to claim 4, characterized in that: Each group of the installation positions adopts the cooperation of screw holes and screws.

6. The waste removal and recycling mechanism for the protective film of a die-cutting processing device according to claim 2, characterized in that: The base includes end plates at both ends and a cross beam erected between the two end plates. The waste removal tool is located below the cross beam, the first roller and the second roller are respectively on both sides of the cross beam, and the electrostatic bar is located below the first roller.

7. The waste removal and recycling mechanism for the protective film of a die-cutting processing device according to claim 6, characterized in that: A handle is provided on the cross beam.

8. A die-cutting processing device, including a machine tool, and a return material conveying mechanism for conveying the protective film to be recycled is installed on the machine tool, characterized in that: The return material conveying mechanism is configured with the waste removal and recycling mechanism for the protective film according to any one of claims 1-7.

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