A trimming device for PET film production

Abstract

The utility model relates to PET film production technical field, a kind of trimming device for PET film production, including base, the both sides of base are fixedly connected with side frame, the upper surface of base is fixedly connected with bracket, the upper of base is provided with the adjusting mechanism for the trimming of PET film is convenient, two the adjusting bracket is fixedly connected in the side frame of base both sides, the slide rod is fixedly connected between two adjusting brackets, the two-way screw rod is rotatably connected on two adjusting brackets, the handle is fixedly connected in the outer end of two-way screw rod. The trimming device for PET film production, there is lifting frame and trimming sliding platform in the bracket fixedly connected in base middle section, and damping rod and spring are provided between bracket and lifting frame, adjusting mechanism is simultaneously connected in the upper of trimming sliding platform, to facilitate self-adapting trimming processing to different thickness PET film.

Description

TECHNICAL FIELD

[0001] The utility model relates to PET film production technical field, concretely is a kind of trimming device for PET film production. BACKGROUND

[0002] PET (polyethylene terephthalate) film has high transparency, luster, good air tightness and aroma retention. It has excellent mechanical properties, high toughness, and higher tensile strength and impact strength than general films. At the same time, PET film is dimensionally stable, suitable for printing, paper bag and other secondary processing.

[0003] The prior art does not have a structure for trimming both sides of the PET film output, which makes it easy to have burrs or broken edges on both sides of the film during production and processing, affecting subsequent processing and storage in rolls. When trimming the PET film, the PET film must be wound into a roll and placed on the trimming machine before trimming can be performed. The PET film roll is extremely inconvenient to disassemble and assemble, and only one side can be trimmed at a time. Based on the shortcomings of the prior art, the utility model designs a trimming device for PET film production. UTILITY MODEL CONTENT

[0004] In view of the shortcomings of the prior art, the utility model provides a trimming device for PET film production, which has the advantage of trimming both sides of the PET film output.

[0005] The utility model provides the following technical scheme: a trimming device for PET film production, comprising a base, two side frames fixedly connected to the base, a bracket fixedly connected to the upper surface of the base, and an adjusting mechanism for trimming the PET film;

[0006] The adjusting mechanism comprises an adjusting frame, a slide rod, a bidirectional screw rod, a handlebar, an adjusting slide, a knife holder and a trimming cutter. Two adjusting frames are fixedly connected to the side frames on both sides of the base. The slide rod is fixedly connected between the two adjusting frames. The bidirectional screw rod is rotatably connected to the two adjusting frames. The handlebar is fixedly connected to the outer end of the bidirectional screw rod. Two groups of adjusting slides are slidably connected to the slide rod. The knife holder is fixedly connected to the bottom of the adjusting slide. The trimming cutter is rotatably connected to the bottom end of the knife holder.

[0007] As a preferred technical scheme of the utility model, the bottom of the base is fixedly connected to a support leg. The upper surface of the side frame is fixedly connected to a first support frame. A first film feeding roller is rotatably connected between the two groups of first support frames. The upper surface of the side frame is fixedly connected to a second support frame. A second film feeding roller is rotatably connected between the two groups of second support frames.

[0008] As a preferred technical scheme of the utility model, the inner chamber bottom of the bracket is fixedly connected with a damping rod, the top end of the damping rod is fixedly connected with a lifting frame, a spring is connected between the damping rod and the lifting frame, and the inside of the lifting frame is fixedly connected with an edge trimming sliding table.

[0009] As a preferred technical scheme of the utility model, the two ends of the base are provided with a first supporting frame, a first film feeding roller, a second supporting frame and a second film feeding roller, and the height of the first film feeding roller is lower than the height of the second film feeding roller.

[0010] As a preferred technical scheme of the utility model, the spring is movably sleeved on the outside of the damping rod.

[0011] As a preferred technical scheme of the utility model, the top surface of the edge trimming sliding table is slightly higher than the lowest level height of the surface of the first film feeding roller, and the edge trimming sliding table is movably connected below the adjusting mechanism.

[0012] As a preferred technical scheme of the utility model, the two groups of adjusting sliding frames are respectively threadedly and slidingly connected on two groups of opposite screw teeth on the bidirectional screw rod.

[0013] As a preferred technical scheme of the utility model, the edge trimming cutter is arranged on the upper surface of the edge trimming sliding table.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The PET film production edge trimming device has the advantages that one end of the PET film is wound from above the left end second film feeding roller to below the left end first film feeding roller, then the PET film is pulled from above the edge trimming sliding table to below the right end first film feeding roller and is wound to above the right end second film feeding roller and is connected with external equipment, at this time, the pulling and conveying of the PET film are completed, when the PET film passes through the edge trimming sliding table, the edge trimming sliding table is connected with the damping rod and the spring below through the lifting frame, so that the edge trimming sliding table can push the PET film and the edge trimming cutter to cut when the PET film moves above, the edge trimming cutter is slidingly connected on the sliding rod and the bidirectional screw rod through the cutter holder and the adjusting sliding frame, one end of the bidirectional screw rod is connected with a handle, so as to control the movement of the two adjusting sliding frames to adjust the distance between the two edge trimming cutters and control the trimming depth, and the device is convenient for trimming the PET film. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is an edge trimming device structure schematic view of the utility model;

[0018] Figure 3The utility model discloses base and membrane feeding roller structure schematic diagram shows.

[0019] Figure 4 The utility model discloses trimming slide platform explosion structure schematic diagram shows.

[0020] Figure 5 The utility model discloses adjusting mechanism structure schematic diagram.

[0021] In the drawing: 1, base, 101, side frame, 102, support foot, 103, first support frame, 104, first membrane feeding roller, 105, second support frame, 106, second membrane feeding roller, 2, bracket, 201, damping rod, 202, lifting frame, 203, spring, 204, trimming slide platform, 3, adjusting mechanism, 301, adjusting frame, 302, slide bar, 303, two -way screw rod, 304, handle, 305, adjusting slide bracket, 306, tool rest, 307, trimming cutter. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative efforts belong to the range of protection of the utility model.

[0023] Please refer to Figures 1-5 A trimming device for PET film production, including base 1, both sides of base 1 are fixedly connected with side frame 101, the upper surface of base 1 is fixedly connected with bracket 2, the upper of base 1 is provided with the adjusting mechanism 3 of being convenient for trimming PET film, the bottom of base 1 is fixedly connected with support foot 102, the upper surface of side frame 101 is fixedly connected with first support frame 103, two groups of first support frame 103 are rotatably connected with first membrane feeding roller 104, the upper surface of side frame 101 is fixedly connected with second support frame 105, two groups of second support frame 105 are rotatably connected with second membrane feeding roller 106, both ends of base 1 are provided with first support frame 103, first membrane feeding roller 104, second support frame 105 and second membrane feeding roller 106, and the height of first membrane feeding roller 104 is lower than the height of second membrane feeding roller 106.

[0024] Please refer to Figure 5, the adjusting mechanism 3, the adjusting mechanism 3 includes adjusting frame 301, slide rod 302, two-way screw rod 303, handle 304, adjusting slide 305, tool rest 306 and trimming cutter 307, two adjusting frames 301 are fixedly connected on the side frame 101 on both sides of the base 1, the slide rod 302 is fixedly connected between the two adjusting frames 301, the two-way screw rod 303 is rotatably connected on the two adjusting frames 301, the handle 304 is fixedly connected on the outer end of the two-way screw rod 303, two sets of adjusting slides 305 are slidably connected on the slide rod 302, the tool rest 306 is fixedly connected on the bottom of the adjusting slide 305, the trimming cutter 307 is rotatably connected on the bottom end of the tool rest 306, the two sets of adjusting slides 305 are threadedly and slidably connected on the two sets of opposite threaded teeth on the two-way screw rod 303 respectively, and the trimming cutter 307 is arranged on the upper surface of the trimming slide 204.

[0025] By setting the adjusting frame 301, the slide rod 302, the two-way screw rod 303, the handle 304 and the adjusting slide 305, the two sets of trimming cutters 307 can be adjusted to move towards or away from each other at the same time, so that the trimming length is adjusted, and by setting the tool rest 306 and the trimming cutter 307, the PET film on the trimming slide 204 can be trimmed.

[0026] Please refer to Figure 4 The inner cavity bottom of the bracket 2 is fixedly connected with a damping rod 201, the top end of the damping rod 201 is fixedly connected with a lifting frame 202, the damping rod 201 and the lifting frame 202 are connected with a spring 203, the inside of the lifting frame 202 is fixedly connected with a trimming slide 204, the spring 203 is movably sleeved on the outside of the damping rod 201, the top surface of the trimming slide 204 is slightly higher than the lowest level of the surface of the first film feeding roller 104, and the trimming slide 204 is movably connected below the adjusting mechanism 3.

[0027] By setting the trimming slide 204, the PET film can be trimmed from above by using the adjusting mechanism 3, and by setting the bracket 2, the damping rod 201, the lifting frame 202 and the spring 203, the trimming slide 204 can be pushed upwards, so that the trimming slide 204 can push the PET film to contact the adjusting mechanism 3 for trimming.

[0028] When the trimming device is used for PET film production, in the initial state, first, the side frame 101 is arranged on both sides of the base 1, the first film feeding roller 104 and the second film feeding roller 106 are rotatably connected in the first support frame 103 and the second support frame 105 arranged at both ends of the side frame 101 respectively, so as to assist in conveying the PET film, the lifting frame 202 and the trimming slide 204 are lifted in the bracket 2 fixedly connected in the middle of the base 1, the damping rod 201 and the spring 203 are arranged between the bracket 2 and the lifting frame 202, and the adjusting mechanism 3 is connected above the trimming slide 204, so as to adaptively trim the PET film of different thicknesses.

[0029] When the PET film needs to be trimmed, first one end of the PET film is wound from above the left end second film feeding roller 106 to below the left end first film feeding roller 104, then the PET film is pulled from above the trimming slide table 204 through below the right end first film feeding roller 104 to above the right end second film feeding roller 106 and connected with external equipment, at this time the pulling and conveying of the PET film is completed, when the PET film passes through the trimming slide table 204, since the trimming slide table 204 is connected with the lower damping rod 201 and the spring 203 through the lifting frame 202, the trimming slide table 204 can push the PET film to be cut by the trimming cutter 307 when the PET film moves above, meanwhile the trimming cutter 307 is slidably connected on the slide rod 302 and the bidirectional screw rod 303 through the cutter holder 306 and the adjusting slide bracket 305, and one end of the bidirectional screw rod 303 is connected with the knob 304, so as to control the two adjusting slide brackets 305 to move towards or away from each other to adjust the distance between the two trimming cutters 307 and realize the control of the trimming depth, the device is convenient for trimming the PET film.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A trimming device for PET film production, comprising a base (1), characterized in that: Both sides of the base (1) are fixedly connected with side frames (101), the upper surface of the base (1) is fixedly connected with a bracket (2), and the upper portion of the base (1) is provided with an adjusting mechanism (3) facilitating the trimming of the PET film. The adjusting mechanism (3) comprises adjusting frames (301), slide rods (302), bidirectional screw rods (303), handlebars (304), adjusting slides (305), knife frames (306) and trimming cutters (307), two adjusting frames (301) are fixedly connected to the side frames (101) on the two sides of the base (1), the slide rods (302) are fixedly connected between the two adjusting frames (301), the bidirectional screw rods (303) are rotatably connected to the two adjusting frames (301), the handlebars (304) are fixedly connected to the outer ends of the bidirectional screw rods (303), two groups of adjusting slides (305) are slidably connected to the slide rods (302), the knife frames (306) are fixedly connected to the bottoms of the adjusting slides (305), and the trimming cutters (307) are rotatably connected to the bottom ends of the knife frames (306).

2. The trimming device for PET film production according to claim 1, characterized in that: The bottom of the base (1) is fixedly connected with supporting legs (102), the upper surfaces of the side frames (101) are fixedly connected with first supporting frames (103), the first supporting frames (103) are rotatably connected with first film feeding rollers (104) between the two groups of first supporting frames (103), the upper surfaces of the side frames (101) are fixedly connected with second supporting frames (105), and the second supporting frames (105) are rotatably connected with second film feeding rollers (106) between the two groups of second supporting frames (105).

3. The trimming device for PET film production according to claim 1, characterized in that: The inner cavity of the bracket (2) is fixedly connected with a damping rod (201), the top end of the damping rod (201) is fixedly connected with a lifting frame (202), the damping rod (201) and the lifting frame (202) are connected with a spring (203), and the inner portion of the lifting frame (202) is fixedly connected with a trimming sliding table (204).

4. The trimming device for PET film production according to claim 2, characterized in that: Both ends of the base (1) are provided with the first supporting frames (103), the first film feeding rollers (104), the second supporting frames (105) and the second film feeding rollers (106), and the height of the first film feeding rollers (104) is lower than that of the second film feeding rollers (106).

5. The trimming device for PET film production according to claim 3, characterized in that: The spring (203) is movably sleeved on the outer side of the damping rod (201).

6. The trimming device for PET film production according to claim 3, characterized in that: The top surface of the trimming sliding table (204) is slightly higher than the lowest level height of the surface of the first film feeding roller (104), and the trimming sliding table (204) is movably connected below the adjusting mechanism (3).

7. The trimming device for PET film production according to claim 1, characterized in that: The two groups of adjusting slides (305) are respectively threadedly and slidably connected to the two groups of opposite screw teeth on the bidirectional screw rods (303).

8. The trimming device for PET film production according to claim 1, characterized in that: The trimming cutter (307) is arranged on the upper surface of the trimming sliding table (204).

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