Fly cutter cutting combined device

Abstract

The utility model belongs to the technical field of paper packaging machines, and discloses a fly cutter cutting combination device which comprises a horizontal support, a vertical support, a fly cutter moving mechanism, a cutter cover mechanism and a lifting mechanism, the horizontal support is fixed at the top end of the vertical support in a right angle mode, the fly cutter moving mechanism is fixed on the horizontal support, and the cutter cover mechanism is fixed at the bottom of the horizontal support. The lifting mechanism is fixed to the outer side face of the vertical support and is in linkage connection with the fly-cutter moving mechanism to drive a moving cutter rest arranged in the fly-cutter moving mechanism to move back and forth, and the purpose that a blade arranged in the moving cutter rest cuts a plastic film is achieved. Compared with the prior art, the fly cutter structure is adopted for improving the cutting mode, a cutting opening is smoother and more attractive, the cutting quality is guaranteed, meanwhile, a small-size blade is adopted for replacing a large-size fodder chopper, the blade cost is saved, the blade replacement operation is convenient, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of paper product packaging machines, in particular to a flying knife cutting combined device. Background Art

[0002] In the production of paper products, it is often necessary to cut plastic films used as packaging materials. Conventional cutting machines usually use a full-length cutting knife that is adapted to the width of the plastic film to punch and cut from top to bottom, resulting in uneven cuts on the plastic film, often with curling, unsightly cuts, and poor cutting quality. At the same time, the full-length cutting knife uses a lot of materials and is expensive to manufacture. Due to its large size, it is also inconvenient to replace. Utility Model Content

[0003] The purpose of the utility model is to provide a cutting device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flying knife cutting combination device, comprising a horizontal bracket, a vertical bracket, a flying knife moving mechanism, a knife cover mechanism and a lifting mechanism, wherein the horizontal bracket is fixed at a right angle to the top of the vertical bracket, the flying knife moving mechanism is fixed on the horizontal bracket, the knife cover mechanism is fixed to the bottom of the horizontal bracket, the lifting mechanism is fixed to the outer side of the vertical bracket and is linked with the flying knife moving mechanism to drive the moving knife holder set in the flying knife moving mechanism to move back and forth, so as to achieve the purpose of cutting the plastic film by the blade set in the moving knife holder.

[0005] The flying knife moving mechanism comprises a moving knife holder, a horizontal moving belt, a first pulley and a second pulley, wherein the first pulley and the second pulley are respectively fixed to the right end and the left end of the horizontal bracket, the horizontal moving belt connects the first pulley and the second pulley, and the moving knife holder is fixedly connected to the horizontal moving belt and driven by the horizontal moving belt to perform horizontal reciprocating motion;

[0006] The movable tool holder is fixedly connected to the horizontal movable belt in a detachable fixed connection;

[0007] The movable tool holder comprises a blade, a tool holder and a tool holder slide, wherein the blade is fixedly connected to the tool holder, the tool holder is fixedly connected to the tool holder slide and is fixedly connected to the horizontal movable belt; the tool holder slide is slidably connected to a horizontal slide rail arranged on the top surface of the horizontal bracket;

[0008] Preferably, the blade and the blade holder are fixedly connected in a detachable manner;

[0009] The knife cover mechanism comprises a knife cover body, a knife slit rail and a knife cover hook, wherein the knife cover body is fixedly connected to the horizontal bracket, a through slit for light is provided on the knife cover body and knife slit rail grooves are provided on both sides of the through slit at the bottom, the knife slit rail is embedded and installed in the knife slit rail groove, the knife cover hook is arranged at both ends of the knife cover body and is solidly connected to the knife cover body, and the knife cover hook is arranged at both ends of the knife cover body and is solidly connected to the knife cover body;

[0010] The lifting mechanism comprises a linear drive, a T-shaped connecting rod, a connecting block, a vertical slide, a third pulley, a fourth pulley and a vertical moving belt, the linear drive, the third pulley and the fourth pulley are fixed on the outer side of the vertical bracket, and the fourth pulley is coaxial with the first pulley, the linear drive extension rod is fixedly connected to one end of the T-shaped connecting rod, the other end of the T-shaped connecting rod is fixedly connected to the connecting block, the inner side surface of the connecting block is fixedly connected to the vertical slide, and the outer side surface is fixedly connected to the vertical moving belt, the vertical slide is slidably connected to the vertical slide rail arranged on the outer side surface of the vertical bracket, and the third pulley is linked to the fourth pulley through the vertical moving belt;

[0011] The other end of the T-shaped connecting rod is fixedly connected to the connecting block by an embedded fixed connection;

[0012] The connection between the connecting block and the vertical moving belt is detachably fixed;

[0013] The linear drive is one of a cylinder or a linear motor;

[0014] In order to prevent the connecting block from colliding with the first pulley mounting seat and the linear drive mounting seat when it is raised or lowered to the upper and lower limit positions, as an improvement of the present utility model, the flying knife cutting combination device also includes a buffer, which is fixed to the outer side surface of the vertical bracket and is arranged at both ends between the first pulley mounting seat and the linear drive mounting seat.

[0015] Compared with the prior art, the utility model improves the cutting method and adopts a flying knife structure, so that the cutting edge is smoother and more beautiful, and the cutting quality is guaranteed. At the same time, a small blade is used to replace a large guillotine, which saves the blade cost, and the blade replacement operation is convenient, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a three-dimensional schematic diagram of the decomposed structure of the movable tool holder structure and the tool cover mechanism;

[0018] Figure 3It is a three-dimensional schematic diagram of the movable tool holder structure;

[0019] Figure 4 It is a three-dimensional schematic diagram of the exploded structure of the knife cover mechanism;

[0020] Figure 5 for Figure 1 A local enlarged schematic diagram of point A in the figure. DETAILED DESCRIPTION

[0021] The specific implementation modes of the present invention will be further described below in conjunction with the accompanying drawings, but the present invention is not limited thereto.

[0022] Figure 1 , Figure 2 A flying knife cutting assembly device is shown, comprising a horizontal bracket 1, a vertical bracket 2, a flying knife moving mechanism 3, a knife cover mechanism 4 and a lifting mechanism 5. The horizontal bracket 1 is fixed at a right angle to the top of the vertical bracket 2, the flying knife moving mechanism 3 is fixed on the horizontal bracket 1, the knife cover mechanism 4 is fixed at the bottom of the horizontal bracket 1, and the lifting mechanism 5 is fixed to the outer side of the vertical bracket 2 and is linked with the flying knife moving mechanism 3 to drive the moving knife holder 31 set in the flying knife moving mechanism 3 to move back and forth, so as to achieve the purpose of cutting the plastic film by the blade 311 set in the moving knife holder 31.

[0023] like Figure 2 As shown, the flying knife moving mechanism 3 includes a moving knife frame 31, a horizontal moving belt 32, a first pulley 33 and a second pulley 34, the first pulley 33 and the second pulley 34 are respectively fixed to the right end and the left end of the horizontal bracket 1, the horizontal moving belt 32 connects the first pulley 33 and the second pulley 34, the moving knife frame 31 is fixedly connected to the horizontal moving belt 32, and is driven by the horizontal moving belt 32 to perform horizontal reciprocating motion;

[0024] The movable tool holder 31 is fixedly connected to the horizontal movable belt 32 in a detachable fixed connection;

[0025] like Figure 2 , Figure 3 As shown, the movable tool holder 31 includes a blade 311, a tool holder 312 and a tool holder slide 313, the blade 311 is fixedly connected to the tool holder 312, the tool holder 312 is fixedly connected to the tool holder slide 313 and is fixedly connected to the horizontal moving belt 32; the tool holder slide 313 is slidably connected to the horizontal slide rail 11 provided on the top surface of the horizontal bracket 1;

[0026] Preferably, the blade 311 and the blade holder 312 are fixedly connected in a detachable manner;

[0027] like Figure 2 , Figure 4As shown, the knife cover mechanism 4 includes a knife cover body 41, a knife slit rail 42 and a knife cover hook 43. The knife cover body 41 is fixedly connected to the horizontal bracket 1. A through slit 411 for seeing light is provided on the knife cover body 41, and knife slit rail grooves 412 are provided on both sides of the bottom through slit 41. The knife slit rail 42 is embedded and installed in the knife slit rail groove 412. The knife cover hook 43 is provided at both ends of the knife cover body 41 and is solidly connected to the knife cover body 41. The knife cover hook 43 is provided at both ends of the knife cover body 41 and is solidly connected to the knife cover body 41.

[0028] like Figure 1 , Figure 5 As shown, the lifting mechanism 5 includes a linear drive 51, a T-shaped connecting rod 52, a connecting block 53, a vertical slide 54, a third pulley 55, a fourth pulley 56 and a vertical moving belt 57. The linear drive 51, the third pulley 55 and the fourth pulley 56 are fixed on the outer side of the vertical bracket 2 and the fourth pulley 56 is coaxial with the first pulley 33. The extension rod of the linear drive 51 is fixedly connected to one end of the T-shaped connecting rod 52, and the other end of the T-shaped connecting rod 52 is fixedly connected to the connecting block 53. The inner side surface of the connecting block 53 is fixedly connected to the vertical slide 54 and the outer side surface is fixedly connected to the vertical moving belt 57. The vertical slide 54 is slidably connected to the vertical slide rail 21 set on the outer side surface of the vertical bracket 2, and the third pulley 55 and the fourth pulley 56 are linked to each other through the vertical moving belt 57.

[0029] The other end of the T-shaped connecting rod 52 is fixedly connected to the connecting block 53 in an embedded fixed connection;

[0030] The connection block 53 and the vertical moving belt 57 are fixedly connected in a detachable manner;

[0031] The linear drive 51 is a linear drive which is one of a cylinder or a linear motor;

[0032] like Figure 1 , Figure 5 As shown, in order to prevent the connection block 53 from colliding with the first pulley 33 mounting seat and the linear drive 51 mounting seat when it is raised and lowered to the upper and lower limit positions, as an improvement of the present utility model, the flying knife cutting assembly device also includes a buffer 6, which is fixed to the outer side surface of the vertical bracket 2 and is arranged at both ends between the first pulley 33 mounting seat and the linear drive 51 mounting seat.

[0033] Working principle of this utility model:

[0034] like Figures 1 to 5As shown, when the utility model enters the working state, the linear drive 51 is activated, and its extension rod pushes the T-shaped connecting rod 52 to rise, driving the connecting block 53 and the vertical slide 54 to rise synchronously from the starting position, and the vertical slide 54 slides and rises along the vertical slide rail 21 set on the outer side of the vertical bracket 2, and the connecting block 53 drives the vertical moving belt 57 to rise so that the third pulley 55 and the fourth pulley 56 rotate in conjunction. Since the fourth pulley 56 is coaxial with the first pulley 33, at this time, the first pulley 33 rotates to drive the horizontal moving belt 32 and the moving knife holder 31 to move horizontally, and the knife holder slide 313 slides horizontally along the horizontal slide rail 11 set on the top surface of the horizontal bracket 1, so that the blade 311 on the moving knife holder 31 moves horizontally from the starting position in the through slit 411 on the knife cover body 41 to complete the cutting of the plastic film, and then the linear drive 51 reverses to drive the above components to reverse, and finally the connecting block 53 and the blade 31 return to the starting position, and the cycle repeats.

[0035] Compared with the prior art, the utility model improves the cutting method and adopts a flying knife structure, so that the cutting edge is smoother and more beautiful, and the cutting quality is guaranteed. At the same time, a small blade is used to replace a large guillotine, which saves the blade cost, and the blade replacement operation is convenient, thereby improving work efficiency.

[0036] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments without departing from the principle and spirit of the present invention still fall within the scope of protection of the present invention.

Claims

1. A flying knife cutting assembly device, characterized in that: It includes a horizontal bracket, a vertical bracket, a flying knife moving mechanism, a knife cover mechanism and a lifting mechanism. The horizontal bracket is fixed at a right angle to the top of the vertical bracket, the flying knife moving mechanism is fixed on the horizontal bracket, the knife cover mechanism is fixed on the bottom of the horizontal bracket, and the lifting mechanism is fixed to the outer side of the vertical bracket and is linked with the flying knife moving mechanism to drive the moving knife holder set in the flying knife moving mechanism to move back and forth, so as to achieve the purpose of cutting the plastic film by the blade set in the moving knife holder.

2. The flying knife cutting assembly device according to claim 1, characterized in that: The flying knife moving mechanism includes a moving tool holder, a horizontal moving belt, a first pulley and a second pulley, the first pulley and the second pulley are respectively fixed at the right end and the left end of the horizontal bracket, the horizontal moving belt connects the first pulley and the second pulley, and the moving tool holder is fixedly connected to the horizontal moving belt.

3. The flying knife cutting assembly device according to claim 2, characterized in that: The movable tool holder is fixedly connected to the horizontal movable belt in a detachable fixed connection.

4. The flying knife cutting assembly device according to claim 2, characterized in that: The movable tool holder includes a blade, a tool holder and a tool holder slide. The blade is fixedly connected to the tool holder, and the tool holder is fixedly connected to the tool holder slide and to the horizontal movable belt. The tool holder slide is slidably connected to a horizontal slide rail arranged on the top surface of the horizontal bracket.

5. The flying knife cutting assembly device according to claim 4, characterized in that: The blade and the blade holder are fixedly connected in a detachable manner.

6. The flying knife cutting assembly device according to claim 1, characterized in that: The knife cover mechanism includes a knife cover body, a knife slit rail and a knife cover hook. The knife cover body is fixedly connected to the horizontal bracket. The knife cover body is provided with a light-permeable through slit and knife slit rail grooves are provided on both sides of the bottom through slit. The knife slit rail is embedded and installed in the knife slit rail groove. The knife cover hook is arranged at both ends of the knife cover body and is solidly connected to the knife cover body.

7. The flying knife cutting assembly device according to claim 2, characterized in that: The lifting mechanism includes a linear drive, a T-shaped connecting rod, a connecting block, a vertical slide, a third pulley, a fourth pulley and a vertical moving belt. The linear drive, the third pulley and the fourth pulley are fixed on the outer side of the vertical bracket and the fourth pulley is coaxial with the first pulley. The linear drive extension rod is fixedly connected to one end of the T-shaped connecting rod, and the other end of the T-shaped connecting rod is fixedly connected to the connecting block. The inner side surface of the connecting block is fixedly connected to the vertical slide and the outer side surface is fixedly connected to the vertical moving belt. The vertical slide is slidably connected to the vertical slide rail arranged on the outer side surface of the vertical bracket.

8. The flying knife cutting assembly device according to claim 7, characterized in that: The other end of the T-shaped connecting rod is fixedly connected to the connecting block in an embedded fixed connection.

9. The flying knife cutting assembly device according to claim 7, characterized in that: The linear drive is a cylinder or a linear motor.

10. The flying knife cutting assembly device according to claim 7, characterized in that: The flying knife cutting assembly device also includes a buffer, which is fixed to the outer side of the vertical bracket and arranged at both ends between the first pulley mounting seat and the linear drive mounting seat.

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