Protective film cutting device

Abstract

The utility model relates to the technical field of protective film production, and discloses a protective film cutting device which comprises a workbench, a shaping mechanism is arranged on the left side of the top of the workbench, a vertical plate is fixedly connected to the rear side of the top of the workbench, a sliding groove is formed in the front side of the vertical plate, and a cross beam is fixedly connected to the top of the front side of the vertical plate. A driving air cylinder is fixedly installed at the bottom of the cross beam, a push rod is in transmission connection with the bottom of the driving air cylinder, a first cutting mechanism is arranged at the bottom of a push plate, a second cutting mechanism corresponding to the first cutting mechanism is arranged at the top of the workbench, and a guiding mechanism is arranged on the right side of the second cutting mechanism. Through the arrangement of the shaping mechanism, the first cutting mechanism, the second cutting mechanism and the guiding mechanism, shaping, cutting and guiding operation on materials are achieved, the precision and efficiency of cutting operation are improved, and meanwhile the stability and safety of cutting operation are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of protective film production, and more specifically to a protective film cutting device. Background Art

[0002] Plastic protective film is a plastic film made using a specific process. It is mainly used to protect the surface of objects to prevent them from being contaminated, scratched or damaged. This protective film has excellent transparency, scratch resistance and weather resistance, and can be widely used in the protection of various material surfaces. Plastic protective film is usually made of plastic materials such as polyester, polyethylene, polypropylene, etc. These materials have good flexibility and stretchability and can be customized according to the shape and size of different objects. At the same time, the surface of the protective film is specially treated to give it good adhesion and peelability, which is convenient for users to easily remove it after use. During the production process, the plastic protective film needs to be cut into a certain length according to production needs.

[0003] The shortcomings of the existing technology: Traditional plastic protective films are prone to deviation during the cutting process, resulting in low cutting accuracy and affecting product quality. In addition, traditional cutting devices are complicated to operate and have low production efficiency, which cannot meet the needs of large-scale production. Therefore, it is necessary to design a protective film cutting device. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a protective film cutting device to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical solutions: a protective film cutting device comprises a workbench, a shaping mechanism is arranged on the left side of the top of the workbench, a vertical plate is fixedly connected to the rear side of the top of the workbench, a sliding groove is opened on the front side of the vertical plate, a crossbeam is fixedly connected to the top of the front side of the vertical plate, a driving cylinder is fixedly installed on the bottom of the crossbeam, a push rod is transmission-connected to the bottom of the driving cylinder, a push plate is fixedly connected to the bottom end of the push rod, a first cutting mechanism is arranged on the bottom of the push plate, a second cutting mechanism corresponding to the first cutting mechanism is arranged on the top of the workbench, and a guiding mechanism is arranged on the right side of the second cutting mechanism.

[0006] Preferably, the shaping mechanism comprises a placing plate, a shaping plate and a fixing frame, the placing plate is fixedly connected to the edges on both the front and rear sides with shaping plates, the shaping plate is fixedly connected to the fixing frame on the side away from the placing plate, and the fixing frame is fixedly connected to the workbench.

[0007] Preferably, the first cutting mechanism includes a connecting plate, a movable rod, a mounting groove, a cutting blade and a slider, the connecting plate is fixedly connected to the push plate, the bottom of the connecting plate is fixedly connected to the movable rod, the right side of the bottom of the movable rod is provided with a mounting groove, a cutting blade is fixedly installed in the mounting groove, the rear end of the movable rod is fixedly connected to the slider, and the slider is slidably connected in the slide groove.

[0008] Preferably, the second cutting mechanism comprises a fixing rod, a second mounting groove and a second cutting blade, the fixing rod is fixedly connected to the workbench, a second mounting groove is provided on the right side of the top of the fixing rod, and the second cutting blade is fixedly installed in the second mounting groove.

[0009] Preferably, heaters are provided on the front sides of the movable rod and the fixed rod, and the heating ends of the heaters extend into the movable rod and the fixed rod.

[0010] Preferably, both front and rear ends of the top of the movable rod are fixedly connected with guide rods, and the guide rods are slidably connected in the cross beam.

[0011] Preferably, the guiding mechanism comprises an inclined plate, and the edges on both the front and rear sides of the inclined plate are fixedly connected to limit plates, and the side of the limit plate away from the inclined plate is fixedly connected to a connecting frame, and the connecting frame is fixedly connected to the workbench.

[0012] Technical effects and advantages of the utility model:

[0013] 1. The utility model is provided with a shaping mechanism. When the feeding device conveys the material to be cut to the material placing plate, the shaping plates on both sides of the material placing plate are used to shape the material so that it can be stably conveyed to between the first cutting mechanism and the second cutting mechanism for cutting. The shaping mechanism not only enables the material to be preliminarily shaped, but also ensures the stability of the material during the cutting process, thereby improving the cutting accuracy and efficiency.

[0014] 2. The utility model is provided with a first cutting mechanism and a second cutting mechanism that cooperate with each other, and utilizes the operation of a driving cylinder to drive a push rod to extend and retract, and the push rod drives a push plate and the first cutting mechanism to move vertically, and at the same time, a slider slides in a slide groove, thereby ensuring the stable movement of the cutting blade one. When the first cutting mechanism moves downward under the drive of the driving cylinder, the material conveyed between the first cutting mechanism and the second cutting mechanism is cut with the cooperation of the cutting blade one and the cutting blade two, and at the same time, a guide rod is utilized to ensure the stability of the movable rod during the vertical movement, thereby further improving the cutting accuracy and efficiency.

[0015] 3. The utility model is provided with a heater, which can heat the cutting blade 1 and the cutting blade 2 to keep them at a certain temperature, reduce cutting resistance, improve cutting efficiency, and also extend the service life of the cutting blades. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a structural schematic diagram of the shaping mechanism in the utility model.

[0018] Figure 3 It is a structural schematic diagram of the first cutting mechanism in the utility model.

[0019] Figure 4 It is a structural schematic diagram of the second cutting mechanism in the utility model.

[0020] Figure 5 It is a structural schematic diagram of the guiding mechanism in the utility model.

[0021] The accompanying drawings are marked as follows: 1. workbench; 2. shaping mechanism; 201. material placing plate; 202. shaping plate; 203. fixed frame; 3. vertical plate; 301. slide groove; 4. crossbeam; 5. driving cylinder; 6. push rod; 7. push plate; 8. first cutting mechanism; 801. connecting plate; 802. movable rod; 803. mounting groove one; 804. cutting blade one; 805. slider; 9. second cutting mechanism; 901. fixed rod; 902. mounting groove two; 903. cutting blade two; 10. heater; 11. guiding mechanism; 1101. inclined plate; 1102. limit plate; 1103. connecting frame; 12. guiding rod. DETAILED DESCRIPTION

[0022] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The protective film cutting device involved in the present invention is not limited to the various structures recorded in the following embodiments. All other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0023] The utility model provides a protective film cutting device, please refer to Figure 1-5As shown, it includes a workbench 1, a shaping mechanism 2 is arranged on the left side of the top of the workbench 1, a vertical plate 3 is fixedly connected to the rear side of the top of the workbench 1, a slide groove 301 is opened on the front side of the vertical plate 3, a crossbeam 4 is fixedly connected to the top of the front side of the vertical plate 3, a driving cylinder 5 is fixedly installed on the bottom of the crossbeam 4, a push rod 6 is transmission-connected to the bottom of the driving cylinder 5, a push plate 7 is fixedly connected to the bottom end of the push rod 6, a first cutting mechanism 8 is arranged at the bottom of the push plate 7, a second cutting mechanism 9 corresponding to the first cutting mechanism 8 is arranged on the top of the workbench 1, and a guiding mechanism 11 is arranged on the right side of the second cutting mechanism 9.

[0024] Furthermore, the shaping mechanism 2 includes a placing plate 201, a shaping plate 202 and a fixing frame 203. The placing plate 201 is fixedly connected to the edges on both the front and rear sides with the shaping plates 202. The shaping plate 202 is fixedly connected to the fixing frame 203 on the side away from the placing plate 201. The fixing frame 203 is fixedly connected to the workbench 1. The feeding device transports the material to be cut to the placing plate 201, and shapes the material through the shaping plates 202 on both sides of the placing plate 201, so that it can be stably transported to the first cutting mechanism 8 and the second cutting mechanism 9 for cutting operations. By setting the shaping mechanism 2, not only the material is preliminarily shaped, but also the stability of the material during the cutting process is ensured, thereby improving the cutting accuracy and efficiency.

[0025] Furthermore, the first cutting mechanism 8 includes a connecting plate 801, a movable rod 802, an installation groove 803, a cutting blade 804 and a slider 805. The connecting plate 801 is fixedly connected to the push plate 7. The bottom of the connecting plate 801 is fixedly connected with the movable rod 802. The right side of the bottom of the movable rod 802 is provided with an installation groove 803. The cutting blade 804 is fixedly installed in the installation groove 803. The rear end of the movable rod 802 is fixedly connected with a slider 805. The slider 805 is slidably connected in the slide groove 301 to start the driving cylinder 5. The driving cylinder 5 is used to drive the push rod 6 to extend and retract. The push rod 6 drives the push plate 7 and the first cutting mechanism 8 to move vertically. At the same time, the slider 805 slides in the slide groove 301 to ensure the stable movement of the cutting blade 804, thereby performing the cutting operation.

[0026] Furthermore, the second cutting mechanism 9 includes a fixed rod 901, a second mounting groove 902 and a second cutting blade 903. The fixed rod 901 is fixedly connected to the workbench 1. A second mounting groove 902 is provided on the right side of the top of the fixed rod 901. The second cutting blade 903 is fixedly installed in the second mounting groove 902. When the first cutting mechanism 8 is driven downward by the driving cylinder 5, the material transported between the first cutting mechanism 8 and the second cutting mechanism 9 is cut with the cooperation of the first cutting blade 804 and the second cutting blade 903.

[0027] Furthermore, heaters 10 are provided on the front sides of the movable rod 802 and the fixed rod 901, and the heating end of the heater 10 extends into the movable rod 802 and the fixed rod 901. The heater 10 heats the cutting blade 1 804 and the cutting blade 2 903, so that the cutting blade 1 804 and the cutting blade 2 903 can maintain a certain temperature during the cutting process, making the cutting smoother, reducing the cutting resistance, and also helping to improve the cutting accuracy and efficiency. In addition, the setting of the heater 10 can also prevent the cutting blade 1 804 and the cutting blade 2 903 from being worn and deformed due to the heat generated by friction during long-term use, thereby extending the service life of the cutting blade.

[0028] Furthermore, the front and rear ends of the top of the movable rod 802 are fixedly connected with guide rods 12, and the guide rods 12 are slidably connected in the crossbeam 4. When the driving cylinder 5 drives the first cutting mechanism 8 to move vertically up and down, the guide rods 12 arranged on both sides of the movable rod 802 will slide synchronously in the crossbeam 4. The guide rods 12 are used to effectively guide the movable rod 802 during the vertical movement, thereby ensuring the stable movement of the cutting blade 804, thereby improving the cutting accuracy and efficiency.

[0029] Furthermore, the guiding mechanism 11 includes an inclined plate 1101, and the edges of the front and rear sides of the inclined plate 1101 are fixedly connected to a limiting plate 1102, and the side of the limiting plate 1102 away from the inclined plate 1101 is fixedly connected to a connecting frame 1103, and the connecting frame 1103 is fixedly connected to the workbench 1. The materials cut by the first cutting mechanism 8 and the second cutting mechanism 9 fall into the guiding mechanism 11, and are guided by the inclined inclined plate 1101 to fall on the workbench 1 for unified collection. The guiding mechanism 11 can effectively guide and limit the cut materials, avoiding scattering and displacement of the materials after cutting, thereby improving the stability and efficiency of the cutting operation.

[0030] The working principle of the utility model is as follows: the feeding device conveys the material to be cut to the material placing plate 201 of the shaping mechanism 2, and the material is preliminarily shaped by the material placing plate 201 and the shaping plate 202, so that it can be stably conveyed to between the first cutting mechanism 8 and the second cutting mechanism 9; the driving cylinder 5 is started, and the push rod 6 is driven to extend and retract by the driving cylinder 5, and the push plate 7 and the first cutting mechanism 8 are driven to move vertically by the push rod 6, and at the same time, the slider 805 slides in the slide groove 301 to ensure the stable movement of the cutting blade 804; when the first cutting mechanism 8 and the second cutting mechanism 9 are moved, the driving cylinder 5 ... the sliding block 805 slides in the slide groove 301 to ensure the stable movement of the cutting blade 804; when the first cutting mechanism 8 and the second cutting mechanism 9 are moved, the driving cylinder 5 is driven to extend and retract by the driving cylinder 5, and the pushing rod 6 is driven to extend and retract by the driving cylinder 5, and the pushing plate 7 and the first cutting mechanism 8 are driven to move vertically by the pushing rod 6, and the pushing plate 7 and the first cutting mechanism 8 are driven to move vertically by the pushing rod 6, and the pushing plate 805 slides in the slide groove 301 to ensure the stable movement of the cutting blade 804 When a cutting mechanism 8 is driven by the driving cylinder 5 to move downward, the material transported between the first cutting mechanism 8 and the second cutting mechanism 9 is cut by the cooperation of the cutting blade 1 804 and the cutting blade 2 903; the cut material falls into the guiding mechanism 11, and is guided by the inclined plate 1101 to fall on the workbench 1 for unified collection. Through the above steps, the utility model realizes automatic cutting and collection of materials such as protective films, improves the efficiency and accuracy of the cutting operation, and also ensures the stability and neatness of the cut material.

[0031] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0032] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0033] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A protective film cutting device, comprising a workbench (1), characterized in that: A shaping mechanism (2) is arranged on the left side of the top of the workbench (1), a vertical plate (3) is fixedly connected to the rear side of the top of the workbench (1), a sliding groove (301) is provided on the front side of the vertical plate (3), a crossbeam (4) is fixedly connected to the top of the front side of the vertical plate (3), a driving cylinder (5) is fixedly installed at the bottom of the crossbeam (4), a push rod (6) is transmission-connected to the bottom of the driving cylinder (5), a push plate (7) is fixedly connected to the bottom end of the push rod (6), a first cutting mechanism (8) is arranged at the bottom of the push plate (7), a second cutting mechanism (9) corresponding to the first cutting mechanism (8) is arranged on the top of the workbench (1), and a guiding mechanism (11) is arranged on the right side of the second cutting mechanism (9).

2. A protective film cutting device according to claim 1, characterized in that: The shaping mechanism (2) comprises a material placing plate (201), a shaping plate (202) and a fixing frame (203); the shaping plates (202) are fixedly connected to the edges of both the front and rear sides of the material placing plate (201); the fixing frame (203) is fixedly connected to the side of the shaping plate (202) away from the material placing plate (201); and the fixing frame (203) is fixedly connected to the workbench (1).

3. A protective film cutting device according to claim 1, characterized in that: The first cutting mechanism (8) comprises a connecting plate (801), a movable rod (802), a mounting groove (803), a cutting blade (804) and a sliding block (805); the connecting plate (801) is fixedly connected to the push plate (7); the bottom of the connecting plate (801) is fixedly connected to the movable rod (802); the right side of the bottom of the movable rod (802) is provided with a mounting groove (803); the cutting blade (804) is fixedly installed in the mounting groove (803); the rear end of the movable rod (802) is fixedly connected to the sliding block (805); the sliding block (805) is slidably connected in the sliding groove (301).

4. A protective film cutting device according to claim 3, characterized in that: The second cutting mechanism (9) comprises a fixing rod (901), a second mounting groove (902) and a second cutting blade (903); the fixing rod (901) is fixedly connected to the workbench (1); a second mounting groove (902) is provided on the right side of the top of the fixing rod (901); and the second cutting blade (903) is fixedly installed in the second mounting groove (902).

5. A protective film cutting device according to claim 4, characterized in that: A heater (10) is provided on the front side of the movable rod (802) and the fixed rod (901), and the heating end of the heater (10) extends into the movable rod (802) and the fixed rod (901).

6. A protective film cutting device according to claim 5, characterized in that: The front and rear ends of the top of the movable rod (802) are fixedly connected to guide rods (12), and the guide rods (12) are slidably connected inside the crossbeam (4).

7. The protective film cutting device according to claim 1, characterized in that: The guiding mechanism (11) comprises an inclined plate (1101), the edges of the inclined plate (1101) on both the front and rear sides are fixedly connected to limit plates (1102), the side of the limit plate (1102) away from the inclined plate (1101) is fixedly connected to a connecting frame (1103), and the connecting frame (1103) is fixedly connected to the workbench (1).

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