Film conveying device for film cutting machine

Abstract

The utility model discloses a film conveying device for a film cutting machine. The film conveying device comprises a base, an adjusting assembly fixed to the base, a transition roller, a pressing roller and a traction assembly, wherein the transition roller and the pressing roller are sequentially arranged on the adjusting assembly according to the film entering sequence, and the traction assembly is fixed to the base. The traction assembly comprises a mounting seat, an upper main traction roller, a lower main traction roller, an upper auxiliary roller and a lower auxiliary roller, notches are formed in rubber sleeves on the upper main traction roller and the lower main traction roller, and spring rings are arranged in the notches and are flush with the edges of the notches; when the upper main traction roller and the lower main traction roller rotate, the rubber sleeves on the upper main traction roller and the lower main traction roller are deformed, and the spring rings are exposed out of the edges of the notches, so that the stability of friction force in the film conveying process is ensured; and the situation that the rubber sleeves on the upper main traction roller and the lower main traction roller are used for a long time or deformed due to extrusion, and consequently surface friction force is insufficient, and film conveying is affected is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to film conveying technical field, especially a film conveying device for film cutting machine. BACKGROUND

[0002] The film cutting machine needs to convey the film to the slitting opening through the conveying device before cutting the film, and the conveying equipment may not be enough in surface friction due to the deformation of the rubber sleeve on the main traction roller caused by long use time or extrusion during the film conveying process, which affects the normal conveying of the film and further affects the film cutting of the film cutting machine.

[0003] To solve the above technical problems, a film conveying device for film cutting machine is needed. UTILITY MODEL CONTENT

[0004] The utility model provides a film conveying device for film cutting machine to solve the technical problems in the prior art.

[0005] A film conveying device for film cutting machine, comprising a base, an adjusting assembly fixed on the base, a transition roller, a pressure roller and a traction assembly fixed on the base arranged in sequence on the adjusting assembly according to the film entering sequence; the traction assembly comprises a mounting seat, an upper main traction roller, a lower main traction roller, an upper auxiliary roller and a lower auxiliary roller; the mounting seat is fixed on the base, the upper main traction roller and the lower main traction roller are both rotationally connected with the mounting seat through a rotating shaft and the rotating directions are opposite, the upper main traction roller and the lower main traction roller are installed in the vertical direction and are in contact, the upper auxiliary roller and the lower auxiliary roller are arranged beside the upper main traction roller and the lower main traction roller respectively, and their two ends are installed on the mounting seat; the upper main traction roller and the lower main traction roller are both sleeved with rubber sleeves provided with a plurality of missing slots, the upper main traction roller and the upper auxiliary roller are sleeved with the same spring ring, the lower main traction roller and the lower auxiliary roller are sleeved with the same spring ring, the spring ring is embedded in the missing slot and is flush with the edge of the missing slot; the film passes through the lower surface of the transition roller, the upper surface of the pressure roller, between the upper main traction roller and the lower main traction roller, between the upper auxiliary roller and the lower auxiliary roller in sequence, and is drawn into the slitting opening of the film cutting machine by the upper main traction roller and the lower main traction roller.

[0006] Further, the adjusting assembly comprises two mounting plates, a sliding block, a connecting plate and an adjusting rod; the mounting plate is provided with an adjusting groove, a screw rod is fixed in the adjusting groove, a driven bevel gear is fixed at one end of the screw rod, the sliding block is threadedly connected with the screw rod, the mounting plate is fixed on the base, the connecting plate is fixed at the top end of the mounting plate, one end of the screw rod with the driven bevel gear passes through the connecting plate, two supporting blocks are fixed at the top end of the connecting plate, a driving bevel gear is fixed on the adjusting rod, the adjusting rod passes through the two supporting blocks, the driving bevel gear is in gear engagement with the driven bevel gear, and rotating the adjusting rod drives the driving bevel gear and the driven bevel gear to make the sliding block slide on the screw rod; the transition roller is fixed on the mounting plate, and the compression roller is fixed on the sliding block, and the lower surface of the transition roller is lower than the upper surface of the compression roller.

[0007] Further, the spring ring and the number of the notched groove are corresponding in size.

[0008] Further, the upper auxiliary roller and the lower auxiliary roller are installed on the mounting seat through the waist hole and the adjustable bolt at two ends, and the tightness of the spring ring is adjusted to make the spring ring flush with the edge of the notched groove.

[0009] Further, the two ends of the adjusting rod are fixed with adjusting handles.

[0010] Beneficial effects: the notched groove is formed in the rubber sleeve on the upper main traction roller and the lower main traction roller, the spring ring is arranged in the notched groove and flush with the edge of the notched groove, the rubber sleeve on the upper main traction roller and the lower main traction roller is deformed when the upper main traction roller and the lower main traction roller rotate, the spring ring is exposed from the edge of the notched groove, the friction force on the surface of the upper main traction roller and the lower main traction roller is increased, the stability of the friction force in the film conveying process is ensured, and the deformation of the rubber sleeve on the upper main traction roller and the lower main traction roller due to long-time use or extrusion is prevented, so that the surface friction force is sufficient and the film conveying is affected. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is a three-dimensional structure schematic diagram of the film conveying device for the film cutting machine of the utility model;

[0012] Fig. 2 It is a three-dimensional structure schematic diagram of the film conveying device for the film cutting machine of the utility model;

[0013] In the drawing:

[0014] 1, base; 2, adjusting assembly; 21, mounting plate; 22, sliding block; 23, connecting plate; 24, adjusting rod; 3, transition roller; 4, compression roller; 5, traction assembly; 51, mounting seat; 52, upper main traction roller; 53, lower main traction roller; 54, upper auxiliary roller; 55, lower auxiliary roller; 56, spring ring. DETAILED DESCRIPTION

[0015] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0016] Please refer to Figs. 1-2 The embodiment provides a film conveying device for a film cutting machine, which comprises a base 1, an adjusting assembly 2 fixed on the base 1, a transition roller 3, a compression roller 4 and a traction assembly 5 fixed on the base 1 arranged on the adjusting assembly 2 in sequence according to the film entering sequence; the traction assembly 5 comprises a mounting seat 51, an upper main traction roller 52, a lower main traction roller 53, an upper auxiliary roller 54 and a lower auxiliary roller 55; the mounting seat 51 is fixed on the base 1, the upper main traction roller 52 and the lower main traction roller 53 are rotationally connected with the mounting seat 51 through rotating shafts and the rotating directions thereof are opposite, the upper main traction roller 52 and the lower main traction roller 53 are installed in the vertical direction and are in contact, the upper auxiliary roller 54 and the lower auxiliary roller 55 are arranged beside the upper main traction roller 52 and the lower main traction roller 53 respectively, and the two ends thereof are installed on the mounting seat 51; the upper main traction roller 52 and the lower main traction roller 53 are both sleeved with rubber sleeves provided with a plurality of missing slots, the upper main traction roller 52 and the upper auxiliary roller 54 are sleeved with the same spring ring 56, the lower main traction roller 53 and the lower auxiliary roller 55 are sleeved with the same spring ring 56, the spring ring 56 is embedded in the missing slot and is flush with the edge of the missing slot, the spring ring 56 and the missing slot are correspondingly sized and adapted, the missing slots are formed in the rubber sleeves on the upper main traction roller 52 and the lower main traction roller 53, the spring ring 56 is arranged in the missing slot and is flush with the edge of the missing slot, when the upper main traction roller 52 and the lower main traction roller 53 rotate, the rubber sleeves on the upper main traction roller 52 and the lower main traction roller 53 will be deformed, the spring ring 56 will be exposed from the edge of the missing slot, the friction force on the surface of the upper main traction roller 52 and the lower main traction roller 53 is increased, the stability of the friction force in the film conveying process is ensured, and the deformation of the rubber sleeves on the upper main traction roller 52 and the lower main traction roller 53 caused by long-time use or extrusion is prevented, so that the surface friction force is not enough and the film conveying is affected; the film passes through the lower surface of the transition roller 3, the upper surface of the compression roller 4, the space between the upper main traction roller 52 and the lower main traction roller 53 and the space between the upper auxiliary roller 54 and the lower auxiliary roller 55 in sequence, and is drawn into the slitting opening of the film cutting machine by the upper main traction roller 52 and the lower main traction roller 53.

[0017] The adjusting assembly 2 comprises two mounting plates 21, a sliding block 22, a connecting plate 23 and an adjusting rod 24; the mounting plate 21 is provided with an adjusting groove, a screw rod is fixed in the adjusting groove, a driven bevel gear is fixed at one end of the screw rod, the sliding block 22 is threadedly connected with the screw rod, the mounting plate 21 is fixed on the base 1, the connecting plate 23 is fixed at the top end of the mounting plate 21, the screw rod with the driven bevel gear is passed through the connecting plate 23, two supporting blocks are fixed at the top end of the connecting plate 23, a driving bevel gear is fixed on the adjusting rod 24, the adjusting rod 24 is passed through the two supporting blocks, the driving bevel gear is in gear engagement with the driven bevel gear, the driving bevel gear and the driven bevel gear are driven by rotating the adjusting rod 24 to make the sliding block 22 slide on the screw rod, adjusting handles are fixed at two ends of the adjusting rod 24, the transition roller 3 is fixed on the mounting plate 21, the compression roller 4 is fixed on the sliding block 22, and the lower surface of the transition roller 3 is lower than the upper surface of the compression roller 4, so that the film is taut during conveying, and the compression roller 4 is fixed on the sliding block 22 and can move up and down with the sliding block 22 to adjust the tension of the film.

[0018] In addition, the upper auxiliary roller 54 and the lower auxiliary roller 55 are installed on the mounting seat 51 through waist holes and adjustable bolts at two ends, and the tightness of the adjusting spring ring 56 is adjusted to be flush with the edges of the missing slots.

[0019] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the person skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement of some of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A film transport device for use on a film cutting machine, characterized by: The device comprises a base (1), an adjusting assembly (2) fixed on the base (1), a transition roller (3), a pressing roller (4) and a traction assembly (5) fixed on the base (1) arranged in sequence according to the entering order of the film. The traction assembly (5) comprises a mounting seat (51), an upper main traction roller (52), a lower main traction roller (53), an upper auxiliary roller (54) and a lower auxiliary roller (55); the mounting seat (51) is fixed on the base (1); the upper main traction roller (52) and the lower main traction roller (53) are both rotationally connected with the mounting seat (51) through rotating shafts and the rotating directions thereof are opposite; the upper main traction roller (52) and the lower main traction roller (53) are installed in the vertical direction and are in contact with each other; the upper auxiliary roller (54) and the lower auxiliary roller (55) are arranged beside the upper main traction roller (52) and the lower main traction roller (53) respectively, and the two ends thereof are installed on the mounting seat (51); the upper main traction roller (52) and the lower main traction roller (53) are both sleeved with rubber sleeves provided with a plurality of missing slots; the upper main traction roller (52) and the upper auxiliary roller (54) are both sleeved with the same spring ring (56); the lower main traction roller (53) and the lower auxiliary roller (55) are both sleeved with the same spring ring (56); the spring ring (56) is embedded in the missing slot and is flush with the edge of the missing slot; the film passes through the lower surface of the transition roller (3), the upper surface of the pressing roller (4), the space between the upper main traction roller (52) and the lower main traction roller (53), the space between the upper auxiliary roller (54) and the lower auxiliary roller (55) in sequence, and is drawn into the slitting opening of the film cutting machine by the upper main traction roller (52) and the lower main traction roller (53).

2. The film transport apparatus of claim 1, wherein: The adjusting assembly (2) comprises two mounting plates (21), a sliding block (22), a connecting plate (23) and an adjusting rod (24). The mounting plate (21) is provided with an adjusting groove, and a screw rod is fixed in the adjusting groove; one end of the screw rod is fixed with a driven bevel gear; the sliding block (22) is threadedly connected with the screw rod; the mounting plate (21) is fixed on the base (1); the connecting plate (23) is fixed on the top end of the mounting plate (21), so that the end of the screw rod with the driven bevel gear passes through the connecting plate (23); the top end of the connecting plate (23) is fixed with two supporting blocks; the adjusting rod (24) is fixed with a driving bevel gear; the adjusting rod (24) passes through the two supporting blocks, so that the driving bevel gear is in gear engagement with the driven bevel gear; rotating the adjusting rod (24) drives the driving bevel gear and the driven bevel gear to make the sliding block (22) slide on the screw rod; the transition roller (3) is fixed on the mounting plate (21); the pressing roller (4) is fixed on the sliding block (22); and the lower surface of the transition roller (3) is lower than the upper surface of the pressing roller (4).

3. The film transport apparatus of claim 1, wherein: The spring ring (56) and the missing slot correspond in number and are matched in size.

4. The film transport apparatus of claim 1, wherein: The two ends of the upper auxiliary roller (54) and the lower auxiliary roller (55) are installed on the mounting seat (51) through a waist hole and an adjustable bolt; the tightness of the spring ring (56) is adjusted so that the spring ring (56) is flush with the edge of the missing slot.

5. The film transport apparatus of claim 2, wherein: The two ends of the adjusting rod (24) are fixed with adjusting handles.

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