Film cutting fly cutter device provided with protective cover

Abstract

The utility model relates to the technical field of film production equipment, in particular to a film cutting fly cutter device assembled with a protective cover, which comprises a linear sliding rail and a movable sliding table on the linear sliding rail, a fly cutter is fixed on the movable sliding table, two ends of the linear sliding rail are provided with check blocks, and the check block at one end is provided with a movable protective cover mechanism. The protective cover mechanism comprises a rocking handle, the two ends of the rocking handle are connected with a transverse rotating shaft and a protective cover respectively, the transverse rotating shaft is connected with an elastic reset piece, and when the movable sliding table moves to the position close to the protective cover mechanism, the rocking handle rotates based on the transverse rotating shaft and enables the protective cover to move to be close to the fly cutter. According to the film cutting fly-cutter device assembled with the protective cover, the protective cover mechanism adopts a pure mechanical transmission mechanism and automatically descends or ascends according to the position of the fly-cutter, so that a worker is effectively prevented from being scratched by the fly-cutter, and the fly-cutter is also prevented from being damaged; the device has the function of a buffer, and the device cost is saved; the surface of the fly cutter can be cleaned, and a good cutting effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of film production equipment, especially a film cutting flying knife device assembled with a protective cover. BACKGROUND

[0002] A device for cutting film is arranged in a winding machine for producing roll-shaped film products, wherein one kind is to use a solenoid valve to control a pneumatic sliding table to return to the original position after moving the flying knife to cut the film during the automatic roll changing process. The flying knife installed on the knife holder is exposed, and when the operator needs to receive the film or pick up the film dropped on the flying knife holder, it is easy to cause a safety accident of arm scratch, and the flying knife is also easy to be damaged without protection of the protective cover.

[0003] In view of the defects of the winding machine, in order to reduce the damage factors of the flying knife and increase the safety protection for the workers, safety protection measures need to be added at the end position of the flying knife holder sliding table. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the insufficient in the prior art, and provides a film cutting flying knife device assembled with a protective cover, which adopts a movable protective cover mechanism, automatically lowers or lifts according to the position of the flying knife, does not need a sensor and additional power consumption, and also has a buffer function.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A film cutting flying knife device assembled with a protective cover, comprising a straight line sliding rail and a movable sliding table thereon, a flying knife is fixed on the movable sliding table, and a movable protective cover mechanism is arranged on the block at one end of the straight line sliding rail;

[0007] The protective cover mechanism comprises a rocking handle, the two ends of the rocking handle are respectively connected with a horizontal rotating shaft and a protective cover, an elastic reset member is connected with the horizontal rotating shaft, when the movable sliding table moves close to the protective cover mechanism, the rocking handle rotates based on the horizontal rotating shaft and makes the protective cover move close to the flying knife.

[0008] Further, the horizontal rotating shaft is vertically transmitted with a vertical rotating shaft, two gears are connected with the vertical rotating shaft, one of the two gears is matched with the gear connected with the horizontal rotating shaft for transmission, and the other is matched with a gear rack rod connected with the movable sliding table for transmission, and the shell of the protective cover mechanism is provided with a hole for inserting the gear rack rod.

[0009] Further, the elastic reset member is a coil spring, one end of the coil spring is fixedly connected with the shell of the protective cover mechanism, and the other end is fixedly connected with the horizontal rotating shaft.

[0010] Further, when the movable sliding table is away from the protective cover mechanism, the rocking handle supports the protective cover to be lifted.

[0011] Further, the horizontal rotating shaft and the vertical rotating shaft are driven by engaging a bevel gear set, and the rotating speed of the vertical rotating shaft is greater than that of the horizontal rotating shaft.

[0012] Further, the protective cover is provided with a cleaning brush near the fly cutter.

[0013] Further, the handle is fixed to the protective cover through a connecting rod, and the connecting rod is parallel to the horizontal rotating shaft.

[0014] Further, the vertical rotating shaft, the coil spring and the gear are arranged in the shell of the protective cover mechanism, and the handle and the connecting rod are arranged outside the shell of the protective cover mechanism.

[0015] Further, the fly cutter is horizontally installed, and when the movable sliding table moves close to the protective cover mechanism, the height of the protective cover is lowered until the cleaning brush under the protective cover contacts the fly cutter.

[0016] The beneficial effects of the technical scheme of the utility model are as follows:

[0017] 1. The film cutting fly cutter device provided with a protective cover, the protective cover mechanism adopts a pure mechanical transmission mechanism, and the fly cutter is automatically lowered or lifted according to the position of the fly cutter, without the need of a sensor and additional power consumption, so that the device is stable in operation and has a low failure rate, the operator is effectively prevented from being cut by the fly cutter during operation, and the fly cutter is also prevented from being damaged due to a strong impact.

[0018] 2. The film cutting fly cutter device provided with a protective cover has the function of a buffer, and the end does not need to be additionally provided with a buffer, so that the cost of the device is saved, and the movable sliding table and the end of the linear sliding rail are prevented from colliding violently when the fly cutter returns to the original position.

[0019] 3. The film cutting fly cutter device provided with a protective cover adopts the cleaning brush to sweep off the debris adhered to the fly cutter, so that the fly cutter is kept clean and good cutting effect is ensured. DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed in the embodiment description will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0021] Figure 1 It is a three-dimensional structural schematic view of the utility model;

[0022] Figure 2 It is an enlarged schematic view of A in Figure 1

[0023] Figure 3 ​The utility model discloses a top view structure schematic diagram.

[0024] Figure 4 It is the structure schematic diagram of protective cover mechanism in the utility model.

[0025] In the drawing: 1: straight line slide rail;2: movable slide table;2a: rack bar;3: fly cutter;4: stopper;5: protective cover mechanism;5a: swing handle;5b: horizontal rotation shaft;5c: protective cover;5c-1: cleaning brush;5d: elastic reset piece;5e: hole;5f: vertical rotation shaft;5g: connecting rod. DETAILED DESCRIPTION

[0026] The utility model will be further explained in detail in combination with the drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the utility model in a schematic manner, so it only shows the components related to the utility model. The utility model is described in detail by structure schematic diagram, and the schematic diagram is only an example, which should not limit the protection scope of the utility model here.

[0027] Please refer to Figures 1 to 4 A film cutting fly cutter device equipped with a protective cover, comprising straight line slide rail 1 and movable slide table 2 on it, fly cutter 3 is fixed on movable slide table 2, and stopper 4 is arranged on the both ends of straight line slide rail 1, and the stopper 4 on one end is provided with movable protective cover mechanism 5;Protective cover mechanism 5 adopts pure mechanical transmission mechanism, and automatically lowers or lifts according to the position of fly cutter, and does not need sensor and additional power consumption.

[0028] Specifically, the protective cover mechanism 5 includes a swing handle 5a, the two ends of the swing handle 5a are respectively connected with a horizontal rotation shaft 5b and a protective cover 5c, the swing handle 5a fixes the protective cover 5c through a connecting rod 5g, the connecting rod 5g is parallel with the horizontal rotation shaft 5b, the horizontal rotation shaft 5b is connected with an elastic reset piece 5d, when the movable slide table 2 moves to the place close to the protective cover mechanism 5, the swing handle 5a rotates based on the horizontal rotation shaft 5b and makes the protective cover 5c move down close to the fly cutter 3, and the fly cutter 3 is covered by the wide board surface, so as to avoid the staff from being cut by the fly cutter 3 when working at the place, and also avoid the fly cutter 3 from being damaged by strong impact. The fly cutter 3 is installed horizontally, one side of the protective cover 5c close to the fly cutter 3 is provided with a cleaning brush 5c-1, when the movable slide table 2 moves to the place close to the protective cover mechanism 5, the height of the protective cover 5c is lowered until the cleaning brush 5c-1 under the protective cover 5c contacts the fly cutter 3, the bristles of the cleaning brush 5c-1 can sweep the debris adhered on the fly cutter 3, keep the fly cutter 3 clean, and guarantee good cutting effect. On the other hand, when the movable slide table 2 is away from the protective cover mechanism 5, the swing handle 5a supports the protective cover 5c to lift.

[0029] In order to realize the mechanical transmission in the protective cover mechanism 5, the horizontal rotating shaft 5b vertically drives the vertical rotating shaft 5f, the vertical rotating shaft 5f is connected with two gears, one of which cooperates with the gear connected with the horizontal rotating shaft 5b to drive, and the other cooperates with the rack rod 2a connected with the movable sliding table 2 to drive, the outer shell of the protective cover mechanism 5 is provided with a hole 5e for the rack rod 2a to insert, when the movable sliding table 2 moves to the position close to the protective cover mechanism 5, the rack rod 2a is inserted into the hole 5e and meshes with one of the gears on the vertical rotating shaft 5f to drive, the linear translation of the rack rod 2a makes the vertical rotating shaft 5f rotate, the horizontal rotating shaft 5b and the vertical rotating shaft 5f are meshed and driven by bevel gear sets, the rotating speed of the vertical rotating shaft 5f is greater than that of the horizontal rotating shaft 5b, the rotation of the horizontal rotating shaft 5b drives the handle 5a to swing, and finally the position of the protective cover 5c is changed; the elastic return member 5d is a coil spring, one end of the coil spring is fixedly connected with the outer shell of the protective cover mechanism 5, and the other end of the coil spring is fixedly connected with the horizontal rotating shaft 5b, when the movable sliding table 2 gradually approaches one end where the protective cover mechanism 5 is located, the rack rod 2a contacts and drives the vertical rotating shaft 5f, the elastic force of the coil spring plays a role in speed reduction and buffering for the transmission, the rack rod 2a has a reverse thrust force, so that the movable sliding table 2 slows down, and the sliding table 2 and the end of the linear sliding rail 1 are prevented from colliding violently, so that the function of the buffer is achieved, and the buffer does not need to be additionally installed, thereby saving the cost of the device, when the movable sliding table 2 is away from one end where the protective cover mechanism 5 is located, the rack rod 2a is away from the vertical rotating shaft 5f, and the coil spring makes the handle 5a lift the protective cover 5c to reset, wherein the vertical rotating shaft 5f, the coil spring and the gears are all arranged in the outer shell of the protective cover mechanism 5, the handle 5a and the connecting rod 5g are located outside the outer shell of the protective cover mechanism 5, and the horizontal rotating shaft 5b penetrates the inner and outer walls of the outer shell of the protective cover mechanism 5.

[0030] When the film cutting flying knife device provided with the protective cover is used, the protective cover mechanism 5 adopts a pure mechanical transmission mechanism, the protective cover 5c is automatically lowered or lifted according to the position of the flying knife 3, no sensor and additional power consumption are needed, work is stable, the failure rate is low, the worker is effectively prevented from being scratched by the flying knife during work, and the flying knife is also prevented from being damaged due to a strong impact; when the cleaning brush 5c-1 contacts the flying knife 3, the cleaning brush 5c-1 can sweep away the debris adhered to the flying knife 3, the flying knife 3 is kept clean, and good cutting effect is ensured.

[0031] The above is only a preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, it should be pointed out that, for ordinary skilled persons in the art, under the premise of not departing from the utility model concept, implementation changes, modifications or additions all belong to the protection scope of the utility model.

Claims

1. A film cutting flying knife device equipped with a protective cover, characterized by: It includes straight slide rail (1) and movable slide table (2) on it, fly knife (3) is fixed on movable slide table (2), the both ends of straight slide rail (1) are provided with stopper (4), the stopper (4) of one end is provided with movable protective cover mechanism (5); The protective cover mechanism (5) includes crank handle (5a), the both ends of crank handle (5a) are connected with horizontal rotating shaft (5b) and protective cover (5c) respectively, horizontal rotating shaft (5b) is connected with elastic return piece (5d), when movable slide table (2) moves to near protective cover mechanism (5), crank handle (5a) rotates based on horizontal rotating shaft (5b) and makes protective cover (5c) move close to fly knife (3).

2. The film cutting flying knife device equipped with a protective cover according to claim 1, characterized in that: Horizontal rotating shaft (5b) is vertically driven with vertical rotating shaft (5f), vertical rotating shaft (5f) is connected with two gears, one of which is driven with the gear connected with horizontal rotating shaft (5b), and the other is driven with rack bar (2a) connected with movable slide table (2), the shell of protective cover mechanism (5) is provided with hole (5e) for rack bar (2a) insertion.

3. The film cutting flying knife device equipped with a protective cover according to claim 2, characterized in that: The elastic return piece (5d) is a coil spring, one end of which is fixedly connected with the shell of protective cover mechanism (5), and the other end is fixedly connected with horizontal rotating shaft (5b).

4. The film cutting flying knife device equipped with a protective cover according to claim 3, characterized in that: When movable slide table (2) is away from protective cover mechanism (5), crank handle (5a) supports protective cover (5c) to lift.

5. The film cutting flying knife device equipped with a protective cover according to claim 4, characterized in that: Horizontal rotating shaft (5b) and vertical rotating shaft (5f) are engaged and driven by bevel gear set, the rotating speed of vertical rotating shaft (5f) is greater than that of horizontal rotating shaft (5b).

6. A film cutting flying knife device equipped with a protective cover according to claim 5, characterized in that: One side of protective cover (5c) near fly knife (3) is provided with cleaning brush (5c-1).

7. The film cutting flying knife device equipped with a protective cover according to claim 1, characterized in that: Crank handle (5a) fixes protective cover (5c) through connecting rod (5g), connecting rod (5g) is parallel to horizontal rotating shaft (5b).

8. The film cutting flying knife device equipped with a protective cover according to claim 3, characterized in that: Vertical rotating shaft (5f), coil spring and gear are all arranged in the shell of protective cover mechanism (5), crank handle (5a) and connecting rod (5g) are located outside the shell of protective cover mechanism (5).

9. The film cutting flying knife device equipped with a protective cover according to claim 6, characterized in that: Fly knife (3) is installed horizontally, when movable slide table (2) moves to near protective cover mechanism (5), the height of protective cover (5c) is lowered until the cleaning brush (5c-1) under it contacts fly knife (3).

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