Safety protection device of bare film cutter

Abstract

The utility model discloses a safety protection device of an exposed film cutter, which comprises a base plate, a guide rail is arranged on the base plate, a sliding seat is arranged on the guide rail in a sliding mode, the sliding seat is driven by a driving mechanism to slide, a strip-shaped groove is arranged on one side of the sliding seat, a rotating blade is installed in the strip-shaped groove through a rotating shaft, and the length of the strip-shaped groove can completely contain the blade. The blade is connected with an elastic mechanism which pushes the blade to rotate towards the outer side of the strip-shaped groove and enables the blade to rotate towards the starting end of the guide rail, a limiting block which abuts against the blade in the rotating direction of the blade is arranged at a groove opening of the strip-shaped groove, and the blade obliquely stretches out towards the outside of the strip-shaped groove. The ejector rod is parallel to the guide rail, corresponds to the outer side of the strip-shaped groove and can be used for ejecting the blade to reversely rotate into the strip-shaped groove, when the blade does not cut the film material, the blade can be rotated into the strip-shaped groove to be hidden, the blade is prevented from being exposed, and safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a film cutting technology field, specifically to a kind of safety protection device of exposed film cutter. BACKGROUND

[0002] In the production of film material, the film material needs to be rolled, and each roll of film material has a certain weight, so after the film material is rolled to the appropriate weight, the film material needs to be cut by a blade, and in the prior art, a sliding seat is usually provided along the length direction of the film material roll, and a blade is provided on the sliding seat. By sliding the sliding seat, the blade is drawn from one side of the film material to the other side, thereby cutting the film material. However, since the blade is fixed and exposed, it is dangerous, and during the production process, it is easy to touch the blade and cause injury when threading the film before production or arranging the film during production. SUMMARY

[0003] To solve the above problems in the prior art, the utility model provides a safety protection device for exposed film cutter.

[0004] To achieve the above technical effects, the utility model adopts the following scheme:

[0005] A safety protection device for exposed film cutter, comprising a base plate, a horizontal guide rail is provided on the base plate, a sliding seat is slidably provided on the guide rail, the sliding seat is driven to slide by a driving mechanism, a slot is formed on one side of the sliding seat facing the outside of the guide rail, the length direction of the slot is parallel to the sliding direction of the sliding seat, a rotating blade is installed in the slot through a rotating shaft, the length of the slot can completely accommodate the blade, an elastic mechanism is connected to the blade to drive the blade to rotate outward from the slot and to rotate towards the starting end of the guide rail, a limiting block is provided at the slot opening of the slot to resist the blade in the rotating direction of the blade, so that the blade is inclined to extend outward from the slot, a top rod is provided on one end of the base plate at the starting end of the guide rail, the top rod is parallel to the guide rail, and the top rod corresponds to the outside of the slot, and can be used to push the blade to rotate in the opposite direction into the slot.

[0006] In the preferred technical solution, the elastic mechanism includes a torsional spring, the torsional spring is sleeved on the rotating shaft, and the two ends of the torsional spring are fixedly connected with the blade and the top of the slot respectively. The torsional spring always has a spring force to drive the blade to rotate outward from the slot and towards the starting end of the guide rail.

[0007] In the preferred technical solution, the driving mechanism includes a lead screw rotatably installed on the base plate, the lead screw passes through the sliding seat and is threadedly connected with the sliding seat, and one end of the lead screw is connected with the output end of a motor.

[0008] Preferably, a horizontal gas cylinder is fixedly installed on the substrate corresponding to the starting end of the guide rail, the gas cylinder is parallel to the guide rail, and the telescopic rod of the gas cylinder extends towards the square end of the guide rail and is fixedly connected with one end of the ejector rod.

[0009] Preferably, a rotating roller is installed at one end of the ejector rod for driving the blade to rotate.

[0010] Compared with the prior art, the beneficial effects are:

[0011] The utility model discloses a simple structure and convenient to use, when not cutting the film material, the sliding seat retreats to the starting end of the guide rail, in the process of retreating, the blade is rotated by the ejector rod and hides in the strip-shaped groove, when cutting the film, the sliding seat moves to the end of the guide rail, so that the blade leaves the ejector rod, after losing the limitation of the ejector rod, the blade rotates outward under the drive of the elastic mechanism and extends in the strip-shaped groove, and in the process of moving the sliding seat, the blade cuts the film material from one side to the other side. DRAWINGS

[0012] Figure 1 It is the top view structure schematic drawing of the utility model.

[0013] Figure 2 It is the sliding seat front view schematic drawing in the utility model.

[0014] Figure 3 It is the blade extension state top view section schematic drawing in the utility model.

[0015] Figure 4 It is the blade hiding state top view section schematic drawing in the utility model.

[0016] The drawings show that 1 is the base plate, 2 is the guide rail, 3 is the sliding seat, 4 is the screw rod, 5 is the motor, 6 is the blade, 7 is the ejector rod, 8 is the gas cylinder, 9 is the roller, 10 is the strip-shaped groove, 11 is the rotating shaft, 12 is the torsion spring, and 13 is the limiting block. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0018] The utility model provides a kind of safety protection device of bare film cutter, including base plate 1, horizontal guide rail 2 is equipped on the base plate 1, sliding seat 3 is slidably equipped on the guide rail 2, sliding seat 3 is driven to slide by drive mechanism, the side of sliding seat 3 towards guide rail 2 outer side direction is equipped with strip slot 10, the length direction of strip slot 10 is parallel to the sliding square of sliding seat 3, rotating blade 6 is installed in strip slot 10 by rotating shaft 11, the length of strip slot 10 can completely accommodate blade 6, blade 6 is connected with elastic mechanism, blade 6 is rotated towards the outside of strip slot 10, and blade 6 is rotated towards the direction of the start end of guide rail 2, the slot of strip slot 10 is equipped with limit block 13 in the direction of the rotation of blade 6, and blade 6 is inclined to extend outwards, one end of the start end of guide rail 2 is equipped with top rod 7 on the base plate 1, top rod 7 is arranged in parallel with guide rail 2, and top rod 7 corresponds with the outside of strip slot 10, and can be used to push blade 6 to rotate reversely into strip slot 10.

[0019] When not cutting film, sliding seat 3 is withdrawn to the start end of guide rail 2, during the process of withdrawing, since the position of top rod 7 remains unchanged, blade 6 continues to move after touching top rod 7, so that blade 6 is rotated by top rod 7, and is hidden in strip slot 10; when cutting film, sliding seat 3 moves towards the end of guide rail 2, so that blade 6 leaves top rod 7, after losing the limitation of top rod 7, blade 6 is rotated outward by the drive of elastic mechanism to extend out of strip slot 10, and during the movement of sliding seat 3, blade 6 cuts film from one side to the other side to cut film. According to the utility model, when blade 6 does not cut film, blade 6 can be rotated to hide in strip slot 10, to avoid the exposure of blade 6, and to improve safety.

[0020] Preferably, the elastic mechanism includes a torsion spring 12, the torsion spring 12 is sleeved on the rotating shaft 11, and the two ends of the torsion spring 12 are fixedly connected with the blade 6 and the top of the strip slot 10 respectively. The torsion spring 12 always has a elastic force to drive the blade 6 to rotate towards the outside of the strip slot 10 and towards the start end of the guide rail 2.

[0021] Preferably, the drive mechanism includes a lead screw 4 rotatably installed on the base plate 1, the lead screw 4 passes through the sliding seat 3 and is threadedly connected with the sliding seat 3, and one end of the lead screw 4 is connected with the output end of a motor 5.

[0022] Preferably, a horizontally arranged air cylinder 8 is fixedly installed on the base plate 1 in correspondence with the direction of the start end of the guide rail 2, the air cylinder 8 is arranged in parallel with the guide rail 2, and the telescopic rod of the air cylinder 8 extends outwards towards the end of the guide rail 2 and is fixedly connected with one end of the top rod 7. The air cylinder 8 can drive the top rod 7 to move forward and backward.

[0023] Preferably, the top rod 7 is used for the top blade 6, one end of which is provided with a rotating roller 9, the roller 9 is used for driving the top blade 6 to rotate by being pressed on the top blade 6, and the sliding friction of the top rod 7 on the top blade 6 is avoided to prevent the top blade 6 from being abraded.

[0024] In the description of the present application, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0025] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0026] Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

Claims

1. A safety device for a bare film cutter, characterized by, The utility model provides a cutting device, including base plate (1), be equipped with horizontal guide rail (2) on base plate (1), the sliding seat (3) is equipped with on guide rail (2) and slides, sliding seat (3) is driven to slide through drive mechanism, the one side of sliding seat (3) is opened with strip -shaped groove (10) towards guide rail (2) outside direction, the length direction of strip -shaped groove (10) is parallel to the sliding square of sliding seat (3), and the length of strip -shaped groove (10) can accommodate blade (6) completely, and blade (6) is connected with elastic mechanism, and blade (6) is rotated towards the outside of strip -shaped groove (10) and is rotated towards the direction of the starting end of guide rail (2), and the slot of strip -shaped groove (10) is equipped with the stopper (13) in the direction of the rotation of blade (6) and is against blade (6), and blade (6) is inclined to stretch out towards the outside of strip -shaped groove (10), and one end of base plate (1) is equipped with the top rod (7) in the starting end of guide rail (2), and the top rod (7) is arranged in parallel with guide rail (2), and the outside of strip -shaped groove (10) corresponds with the top rod (7), and can be used to top blade (6) and rotate to the inside of strip -shaped groove (10) in reverse.

2. The safety device for an exposed film cutter according to claim 1, wherein The elastic mechanism includes torsion spring (12), the torsion spring (12) is sleeved on the rotating shaft (11), and the two ends of the torsion spring (12) are fixedly connected with the blade (6) and the top of the strip -shaped groove (10) respectively, and the torsion spring (12) always has the elastic force of driving the blade (6) to rotate towards the outside of the strip -shaped groove (10) and towards the starting end of the guide rail (2).

3. The safety shield for a bare film cutter of claim 1 wherein, The drive mechanism includes the lead screw (4) rotatably installed on the base plate (1), the lead screw (4) passes through the sliding seat (3) and is arranged in threaded connection with the sliding seat (3), and one end of the lead screw (4) is connected with the output end of the motor (5).

4. The safety shield for a bare film cutter of claim 1 wherein, The horizontally arranged air cylinder (8) is fixedly installed on the base plate (1) in the direction corresponding to the starting end of the guide rail (2), the air cylinder (8) is arranged in parallel with the guide rail (2), and the telescopic rod of the air cylinder (8) is arranged in the square of the end of the guide rail (2) and is fixedly connected with one end of the top rod (7).

5. The safety shield for a bare film cutter of claim 1 wherein, The end of the top rod (7) for toping the blade (6) is rotatably provided with the roller (9), and the roller (9) is used to drive the blade (6) to rotate by being abutted on the blade (6).

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