Film edge breaking device of film machine

Abstract

The utility model discloses a film edge-breaking device of a film machine, which comprises an edge-breaking knife and an edge-breaking knife guide wheel, the edge-breaking knife and the edge-breaking knife guide wheel are arranged front and back in the conveying direction of a film, and when the film is conveyed, the edge-breaking knife is used for edge-breaking cutting to form a film broken edge penetrating through an edge-guiding gap of the edge-breaking knife guide wheel. The thin film broken edge is guided to move through the edge guiding gap, and the thin film broken edge is connected with a drop hammer for controlling the tension of the thin film broken edge. The film edge breaking and cutting device can conduct edge breaking and cutting operation on a film and conduct tension-controllable guide feeding on the formed broken edge of the film, so that the cut edge of the film is regular, meanwhile, waste accumulation is avoided, and it is guaranteed that the edge breaking operation of the film is conducted smoothly.

Description

Technical Field

[0001] The utility model belongs to the technical field of film edge breaking, and particularly relates to a film edge breaking device for a film machine. Background Art

[0002] The film edge breaking operation is to remove the irregular parts or excess materials at the edges of the film to ensure the neatness and quality of the film. During the edge breaking operation, the formed film edge breaks are film waste materials. With the accumulation of the film edge breaks, it is easy to interfere with the normal edge breaking operation. Moreover, the discharge of the film edge breaks as waste is not smooth enough. When breaking the edge, it is easy to generate a pulling force on the cutting edge of the film different from the conveying direction, resulting in the cutting edge being not regular enough and affecting the film quality. Summary of the Invention

[0003] Object of the Invention: In order to overcome the deficiencies in the prior art, the utility model provides a film edge breaking device for a film machine, which can perform edge cutting operation on the film and conduct tension-controlled guiding feeding on the formed film edge breaks, making the cutting edge of the film regular, while avoiding the accumulation of waste materials and ensuring the smooth progress of the film edge breaking operation.

[0004] Technical Solution: To achieve the above object, a film edge breaking device for a film machine of the utility model includes an edge breaking knife and an edge breaking knife guide wheel. The edge breaking knife and the edge breaking knife guide wheel are arranged before and after in the conveying direction of the film. When the film is conveyed, the edge breaking knife cuts the edge of the film to form a film edge break passing through the guiding edge gap of the edge breaking knife guide wheel. The film edge break is guided for feeding through the guiding edge gap, and a plumb bob for controlling its tension is connected to the film edge break.

[0005] Further, it includes an edge breaking knife connecting plate and an edge breaking knife guide wheel bracket which are connected. An edge breaking knife holder with an edge breaking knife clamping plate is arranged on the edge breaking knife connecting plate, and the edge breaking knife is installed through the edge breaking knife clamping plate. The edge breaking knife guide wheel is installed on the edge breaking knife guide wheel bracket through an edge breaking knife guide wheel shaft, and the guiding edge gap is an annular groove structure arranged around the outer circle of the center line of the edge breaking knife guide wheel.

[0006] Further, it includes a plumb bob guide wheel corresponding to the plumb bob, and the plumb bob pulling the film edge break is guided by this plumb bob guide wheel.

[0007] Further, the plumb bob has a plumb bob pull rod with adjustable length, and the plumb bob is connected to the film edge break through the plumb bob pull rod.

[0008] Further, an edge breaking knife air inlet pipe is installed on the edge breaking knife connecting plate through an air inlet pipe fixing block. An air duct is opened inside the edge breaking knife guide wheel bracket. The edge breaking knife air inlet pipe communicates with the air duct. A plurality of air outlet holes for guiding the air duct are arranged on the side surface of the edge breaking knife guide wheel bracket, and the air outlet holes are arranged to blow air horizontally on the film edge break guided by the edge breaking knife guide wheel.

[0009] Further, a cutting-edge blade adjusting block is provided on the cutting-edge blade connecting plate, and the orientation of the cutting-edge blade relative to the film is adjusted by the movement of the cutting-edge blade adjusting block.

[0010] Further, it includes an adjusting driving part. The adjusting driving part includes a horizontal adjusting driving part and a vertical adjusting driving part. The cutting-edge blade adjusting block is vertically arranged on the horizontal adjusting driving part through the vertical adjusting driving part; the horizontal adjusting driving part is used to drive the cutting-edge blade adjusting block to move in the width direction of the film, and the vertical adjusting driving part is used to drive the cutting-edge blade adjusting block to move in the height direction of the film, so as to realize the adjustment of the cutting position of the cutting-edge blade relative to the film.

[0011] Beneficial effects: The utility model can perform cutting-edge operations on the film. Through the guiding of the cutting-edge blade guide wheel and the gravity traction of the hanging weight, it realizes the guiding and feeding with controllable tension for the formed cutting edge of the film and prevents the accumulation of waste materials, eliminates the pulling effect of the waste materials on the film in a direction different from the conveying direction, makes the cutting edge of the film more regular, improves the film quality, and at the same time ensures the smooth progress of the film cutting-edge operation. Description of the Drawings

[0012] Figure 1 It is a schematic structural diagram of the film cutting-edge device of the utility model;

[0013] Figure 2 It is a schematic structural diagram of the partial air outlet hole distribution on the cutting-edge blade guide wheel bracket;

[0014] Figure 3 It is a schematic structural diagram of the cutting-edge blade guide wheel;

[0015] Figure 4 It is a schematic structural diagram of the hanging weight guide wheel and its connecting components;

[0016] Figure 5 It is a schematic structural diagram of the hanging weight and the hanging weight pull rod. Detailed Embodiments

[0017] The following further describes the utility model with reference to the drawings.

[0018] Such as Figure 1 、 Figure 3 And Figure 4As shown in the figure, a film edge-breaking device of a film machine includes an edge-breaking knife 8 and an edge-breaking knife guide wheel 11. The edge-breaking knife 8 and the edge-breaking knife guide wheel 11 are arranged before and after in the conveying direction of the film. When the film is conveyed, the edge-breaking knife 8 breaks and cuts the edge of the film to form a film edge break that passes through the guiding edge gap 110 of the edge-breaking knife guide wheel 11. The film edge break is guided for feeding through the guiding edge gap 110, and a plumb bob 23 for controlling its tension is connected to the film edge break. The utility model can perform edge-breaking cutting operations on the film. Through the guidance of the edge-breaking knife guide wheel 11 and the gravitational traction of the plumb bob 23, it realizes tension-controlled guiding feeding for the formed film edge break and prevents waste accumulation, eliminates the pulling effect of waste on the film in a direction different from the conveying direction, makes the cutting edge of the film more regular, improves the film quality, and at the same time ensures the smooth progress of the film edge-breaking operation.

[0019] As Figure 1 shown in the figure, the utility model includes a connected edge-breaking knife connecting plate 5 and an edge-breaking knife guide wheel bracket 1; an edge-breaking knife holder 3 with an edge-breaking knife clamping plate 2 is arranged on the edge-breaking knife connecting plate 5, and the edge-breaking knife 8 is installed through the edge-breaking knife clamping plate 2; the edge-breaking knife guide wheel 11 is installed on the edge-breaking knife guide wheel bracket 1 through an edge-breaking knife guide wheel shaft 9, and the guiding edge gap 110 is an annular groove structure arranged around the outer circle of the center line of the edge-breaking knife guide wheel 11. More specifically, as Figure 3 shown in the figure, the edge-breaking knife guide wheel 11 is composed of a first guide wheel half 11a and a second guide wheel half 11b that are concentrically butted, and the guiding edge gap 110 is formed as an annular groove structure at the butted edge.

[0020] As Figure 4 shown in the figure, the utility model includes a plumb bob guide wheel 21 corresponding to the plumb bob 23, and the plumb bob 23 for pulling the film edge break is guided by this plumb bob guide wheel 21. The plumb bob guide wheel 21 is arranged on a plumb bob seat 18 through a guide wheel shaft 19, and the plumb bob guide wheel 21 is preferably a grooved wheel.

[0021] As Figure 5 shown in the figure, the plumb bob 23 has an adjustable plumb bob pull rod 22, and the plumb bob 23 is connected to the film edge break through the plumb bob pull rod 22. As the edge-breaking operation progresses, the film edge break becomes longer and longer. By shortening the plumb bob pull rod 22, the frequency of re-binding the plumb bob 23 can be reduced, improving convenience and efficiency. At the same time, the plumb bob 23 is composed of multiple hammer bodies stacked, and by adjusting the number of hammer bodies, the tension on the film edge break can be adjusted, and the operation is very convenient.

[0022] It should be noted that, as Figure 1 and Figure 2As shown, a trimming knife air inlet pipe 4 is installed on the trimming knife connecting plate 5 through an air inlet pipe fixing block 7. An air duct 10 is provided inside the trimming knife guide wheel bracket 1. The trimming knife air inlet pipe 4 communicates with the air duct 10. A plurality of air outlet holes 100 for guiding the air duct 10 are arranged on the side surface of the trimming knife guide wheel bracket 1. The air outlet holes 100 are arranged for blowing air horizontally towards the trimmed edge of the film guided by the trimming knife guide wheel 11. Through horizontal air blowing, the debris particles generated during the trimming operation can be removed, maintaining the cleanliness of the film and avoiding film contamination.

[0023] As Figure 1 shown, a trimming blade adjusting block 6 is provided on the trimming knife connecting plate 5. The orientation of the trimming knife 8 relative to the film is adjusted by the movement of the trimming blade adjusting block 6. The present utility model includes an adjustment driving part, and the adjustment driving part includes a horizontal adjustment driving part and a vertical adjustment driving part. The trimming blade adjusting block 6 is vertically arranged on the horizontal adjustment driving part through the vertical adjustment driving part; the horizontal adjustment driving part is used to drive the trimming blade adjusting block 6 to move in the width direction of the film, and the vertical adjustment driving part is used to drive the trimming blade adjusting block 6 to move in the height direction of the film, so as to adjust the trimming position of the trimming knife 8 relative to the film. Among them, the horizontal adjustment driving is a horizontal linear servo slide module, the vertical adjustment driving part is a vertical linear servo slide module, the vertical linear servo slide module is arranged on the horizontal linear servo slide module, and the trimming blade adjusting block 6 is connected to the slider of the vertical linear servo slide module.

[0024] The above are only the preferred embodiments of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model.

Claims

1. A film edge breaking device for a film machine, characterized in that: The invention comprises an edge breaking knife (8) and an edge breaking knife guide wheel (11), wherein the edge breaking knife (8) and the edge breaking knife guide wheel (11) are arranged in front of and behind the conveying direction of the film. When the film is conveyed, the edge breaking knife (8) cuts the edge of the film to form a film edge that passes through a guide gap (110) of the edge breaking knife guide wheel (11). The film edge is guided through the guide gap (110) to move the material, and the film edge is connected to a hanging hammer (23) for controlling its tension.

2. The film edge breaking device of a film machine according to claim 1, characterized in that: The invention comprises an edge breaking knife connecting plate (5) and an edge breaking knife guide wheel bracket (1) connected to each other; an edge breaking knife holder (3) having an edge breaking knife clamping plate (2) is arranged on the edge breaking knife connecting plate (5), and the edge breaking knife (8) is installed through the edge breaking knife clamping plate (2); the edge breaking knife guide wheel (11) is installed on the edge breaking knife guide wheel bracket (1) through the edge breaking knife guide wheel shaft (9), and the guide gap (110) is an annular groove structure arranged around the center line outer ring of the edge breaking knife guide wheel (11).

3. The film edge breaking device of a film machine according to claim 2, characterized in that: It comprises a hanging hammer guide wheel (21) corresponding to the hanging hammer (23), and the hanging hammer (23) for pulling the broken edge of the film is guided by the hanging hammer guide wheel (21).

4. The film edge breaking device of a film machine according to claim 3, characterized in that: The hanging hammer (23) has a hanging hammer pull rod (22) with adjustable length, and the hanging hammer (23) is connected to the broken edge of the film through the hanging hammer pull rod (22).

5. The film edge breaking device of a film machine according to claim 2, characterized in that: An edge breaking knife air inlet pipe (4) is installed on the edge breaking knife connecting plate (5) via an air inlet pipe fixing block (7); an air duct (10) is provided inside the edge breaking knife guide wheel bracket (1); the edge breaking knife air inlet pipe (4) is connected to the air duct (10); a plurality of air outlet holes (100) of the air guide duct (10) are arranged on the side of the edge breaking knife guide wheel bracket (1); the air outlet holes (100) are arranged corresponding to the film edge breaking transverse blowing arrangement guided by the edge breaking knife guide wheel (11).

6. The film edge breaking device of a film machine according to claim 2, characterized in that: The edge breaking knife connecting plate (5) is provided with a edge breaking knife adjusting block (6), and the position of the edge breaking knife (8) relative to the film is adjusted by the movement of the edge breaking knife adjusting block (6).

7. The film edge breaking device of a film machine according to claim 6, characterized in that: The invention comprises an adjustment drive unit, wherein the adjustment drive unit comprises a transverse adjustment drive unit and a vertical adjustment drive unit, wherein the edge breaking knife adjustment block (6) is vertically arranged on the transverse adjustment drive unit through the vertical adjustment drive unit; the transverse adjustment drive unit is used to drive the edge breaking knife adjustment block (6) to move in the width direction relative to the film, and the vertical adjustment drive unit is used to drive the edge breaking knife adjustment block (6) to move in the height direction relative to the film, so as to adjust the cutting position of the edge breaking knife (8) relative to the film.

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