Anti-adhesion hot cutting assembly for degradable plastic packaging bag hot cutting machine

Abstract

The utility model discloses an anti-adhesion hot cutting assembly for a degradable plastic packaging bag hot cutting machine, which belongs to the technical field of plastic packaging bag processing equipment, and comprises a hot cutting machine mounting base, and rack plates are arranged on two sides of the upper surface of the mounting base. A lifting air cylinder is arranged on the outer side of the rack plate, lifting heads are installed at the upper end of the lifting air cylinder, a hot cutter is installed between the lifting heads through a cutter rest, and an electric heating pipe is fixed to the rear side face of the hot cutter. A plastic packaging film feeding conveying belt is arranged between the front ends of the rack plates, a plastic packaging bag discharging shaping belt is arranged between the rear ends of the rack plates, and a hot cutting roller is arranged between the rack plates between the plastic packaging film feeding conveying belt and the plastic packaging bag discharging shaping belt. According to the anti-bonding hot cutting assembly, by arranging the front scraping plate and the rear scraping plate, residual plastic raw materials on the hot cutting knife are scraped and collected through the waste material groove, the anti-bonding effect is achieved, and the working quality of hot cutting is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic packaging bag processing equipment technical field, more specifically, relate to a kind of anti-adhesion hot cutting assembly for degradable plastic packaging bag hot cutting machine. BACKGROUND

[0002] Degradable plastic packaging bag added type photodegradation plastic is prepared by adding photosensitizer such as benzophenone, p-benzoquinone, etc. in general plastic base material, and the manufacturing technology is simple, the photosensitizer can absorb 300nm wavelength light, and dehydrogenation reaction occurs with adjacent molecules, and energy is transferred to polymer molecules, to initiate photodegradation reaction, and molecular weight decreases.

[0003] In the processing of degradable plastic packaging bag, due to the addition of photosensitizer, the composition is more complex than traditional plastic bags, and the residual plastic raw material is more likely to accumulate in the form of accumulation block on both sides of the hot cutting knife during hot cutting after film making, causing adhesion phenomenon, and the accumulation block becomes thicker and thicker with the increase of working time, seriously affecting the subsequent hot cutting quality, and even causing hot cutting failure problem, therefore, a special anti-adhesion assembly needs to be designed on the basis of the existing hot cutting machine structure. SUMMARY

[0004] The utility model discloses a kind of anti-adhesion hot cutting assemblies for degradable plastic packaging bag hot cutting machine, the anti-adhesion hot cutting assembly is scraped by setting front and back two scraper structures, and the plastic raw material remaining on hot cutting knife is scraped, and is collected by waste chute, to prevent the effect of adhesion, guarantee the working quality of hot cutting.

[0005] To achieve the above object, the technical scheme adopted by the utility model is as follows:

[0006] An anti-adhesion hot cutting assembly for degradable plastic packaging bag hot cutting machine, comprising a hot cutting machine mounting base, the mounting base upper surface both sides are provided with rack plates, the rack plate outer side is provided with a lifting cylinder, and the lifting cylinder upper end is provided with a lifting head, the lifting head is provided with a hot cutting knife through a knife holder, the hot cutting knife rear side is fixed with an electric heating pipe, the rack plate front end is provided with a plastic packaging film feeding and conveying belt, and the rack plate rear end is provided with a plastic packaging bag discharging and shaping belt, the rack plate between the plastic packaging film feeding and conveying belt and the plastic packaging bag discharging and shaping belt is provided with a hot cutting roller, the rack plate above the hot cutting roller is provided with an inverted concave bracket, the inverted concave bracket is provided with an anti-adhesion hot cutting assembly, the hot cutting roller lower side is provided with a waste chute, the waste chute is placed to the hot cutting roller lower side area through a pull handle, and the waste chute is limited through the L-shaped clasp on the mounting base upper surface.

[0007] As a further optimization of the scheme, the anti-adhesion hot cutting assembly comprises two scrapers arranged on the front and rear sides of the hot cutter, the outer sides of the two ends of the two scrapers are provided with connecting columns, the connecting columns are connected through telescopic tension spring rods, the upper surfaces of the connecting columns are connected with pull plates, the pull plates are connected to the rotating part of the upper rotating bearing seat, the non-rotating part of the rotating bearing seat is installed to the lower end of the L-shaped connecting rod, the upper end of the L-shaped connecting rod is fixed to the lower surface of the inverted concave-shaped support through bolts, and the outer side of the lower end of the L-shaped connecting rod is connected to the inner side of the recessed area of the inverted concave-shaped support through a support rod.

[0008] As a further optimization of the scheme, the L-shaped connecting rod is not in contact with the two sides of the hot cutter, and the lengths of the two scrapers are the same as the length of the hot cutter.

[0009] As a further optimization of the scheme, the inner end of the two scrapers is provided with a sharp part, and the inner end is pressed against the front and rear sides of the hot cutter through telescopic tension spring rods, and the outer end of the two scrapers extends outwardly and obliquely by three to five centimeters.

[0010] As a further optimization of the scheme, the hot cutter is driven to reciprocate up and down between the two scrapers through the lifting cylinders at the two ends.

[0011] Compared with the prior art, the anti-adhesion hot cutting assembly has the following beneficial effects:

[0012] In the utility model, the two scrapers are installed on the front and rear sides of the hot cutter through the L-shaped connecting rod, the rotating bearing seat, the pull plate and the telescopic tension spring rod structure, when working, the hot cutter is driven to reciprocate up and down between the two scrapers through the lifting cylinders at the two ends, the two scrapers can scrape the residual plastic raw materials on the front and rear sides of the hot cutter through the sharp part of the inner end, and the residual plastic raw materials are collected through the waste chute below, so that the adhesion phenomenon is avoided, after working for a period of time, the waste chute is taken out through the pull handle, and the waste inside is treated, so that the hot cutting working quality of the hot cutter is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is an anti-adhesion hot cutting assembly installation structure schematic view of the utility model;

[0014] Figure 2 It is a waste chute installation structure schematic view (remove plastic packaging film feeding and conveying belt) of the utility model;

[0015] Figure 3 It is an upper structure schematic view of the anti-adhesion hot cutting assembly of the utility model;

[0016] Figure 4 It is a lower structure schematic view of the anti-adhesion hot cutting assembly of the utility model;

[0017] Figure 5This is a side view of the anti-adhesion hot-cutting component of this utility model;

[0018] In the diagram: 1. Mounting base; 2. Frame plate; 3. Lifting cylinder; 4. Lifting head; 5. Blade holder; 6. Hot cutting blade; 7. Plastic packaging film feeding conveyor belt; 8. Plastic packaging bag discharge and shaping belt; 9. Pull-out handle; 10. Hot cutting roller; 11. Waste trough; 12. L-shaped bracket; 13. Inverted concave bracket; 14. Support rod; 15. Scraper; 16. Connecting column; 17. Telescopic tension spring rod; 18. Pull plate; 19. Rotating bearing seat; 20. L-shaped connecting rod. Detailed Implementation

[0019] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the following description, in conjunction with specific illustrations, further elaborates on this utility model.

[0020] To address the issue that residual plastic material tends to accumulate on both sides of the hot-cutting blade, forming deposits that cause adhesion, and which become increasingly thicker with prolonged use, severely impacting subsequent hot-cutting quality and even leading to failure, [the following is a separate, unrelated issue]. Figure 1 As shown, this application includes a hot cutting machine mounting base 1. The mounting base 1 has frame plates 2 on both sides of its upper surface. A lifting cylinder 3 is provided on the outer side of the frame plate 2, and a lifting head 4 is installed on the upper end of the lifting cylinder 3. A hot cutting knife 6 is installed between the lifting heads 4 through a knife holder 5. An electric heating tube is fixed to the rear side of the hot cutting knife 6. A plastic packaging film feeding conveyor belt 7 is provided between the front ends of the frame plate 2, and a plastic packaging bag discharging and shaping belt 8 is provided between the rear ends of the frame plate 2.

[0021] like Figure 2 As shown, a hot cutting roller 10 is provided between the frame plate 2 between the plastic packaging film feeding conveyor belt 7 and the plastic packaging bag discharging and shaping belt 8. An inverted concave bracket 13 is provided between the frame plates 2 above the hot cutting roller 10. An anti-sticking hot cutting component is installed on the inverted concave bracket 13. A waste trough 11 is provided below the hot cutting roller 10. The waste trough 11 is placed in the area below the hot cutting roller 10 by pulling the handle 9 and is limited by the L-shaped card seat 12 on the upper surface of the mounting base 1.

[0022] like Figure 3 and Figure 4As shown in the drawings, the anti-adhesion hot cutting assembly comprises two scrapers 15 arranged on the front and rear sides of the hot cutter 6, the outer sides of the two ends of the two scrapers 15 are provided with connecting columns 16, the connecting columns 16 are connected through the elastic tension spring rods 17, the upper surfaces of the connecting columns 16 are connected with pull plates 18, the pull plates 18 are jointly connected to the rotating part of the upper rotating bearing seat 19, the non-rotating part of the rotating bearing seat 19 is installed to the lower end of the L-shaped connecting rod 20, the upper end of the L-shaped connecting rod 20 is fixed to the lower surface of the inverted concave-shaped support 13 through bolts, the outer side of the lower end of the L-shaped connecting rod 20 is connected to the inner side of the concave area of the inverted concave-shaped support 13 through the support rod 14; the L-shaped connecting rod 20 does not contact the two sides of the hot cutter 6, and the lengths of the two scrapers 15 are the same as the length of the hot cutter 6;

[0023] As shown in the drawings, Figure 5 As shown in the drawings, the inner ends of the two scrapers 15 are processed with sharp parts, and the inner ends are pressed against the front and rear sides of the hot cutter 6 through the elastic tension spring rods 17; the outer ends of the two scrapers 15 extend outwardly and obliquely by three to five centimeters;

[0024] Specifically, when the hot cutting machine works, the plastic packaging film is introduced onto the hot cutting roller 10 through the plastic packaging film feeding and conveying belt 7, the packaging bag formed after hot cutting is introduced to the next process through the plastic packaging bag discharging and shaping belt 8, and the hot cutter 6 is driven to reciprocate up and down between the two scrapers 15 through the lifting cylinders 3 at the two ends; in the process, the two scrapers 15 change positions through the rotation of the pull plates 18, and the two scrapers 15 are always pressed against the front and rear sides of the hot cutter 6 through the elastic tension spring rods 17; the plastic raw materials remaining on the front and rear sides of the hot cutter 6 are scraped off through the sharp parts at the inner ends, and are collected through the waste chute 11 below, so as to avoid the adhesion phenomenon; after working for a period of time, the waste chute 11 is taken out through the pull handle 9, the waste inside is treated, and the hot cutting working quality of the hot cutter 6 is ensured.

[0025] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0026] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification only illustrate the principle of the utility model, various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A non-adhesive hot-cutting component for a biodegradable plastic packaging bag hot-cutting machine, comprising a hot-cutting machine mounting base, frame plates on both sides of the upper surface of the mounting base, a lifting cylinder on the outer side of the frame plate and a lifting head mounted on the upper end of the lifting cylinder, a hot-cutting blade mounted between the lifting heads via a blade holder, an electric heating tube fixed to the rear side of the hot-cutting blade, a plastic packaging film feeding conveyor belt between the front ends of the frame plates and a plastic packaging bag output shaping belt between the rear ends of the frame plates, and a hot-cutting roller between the frame plates between the plastic packaging film feeding conveyor belt and the plastic packaging bag output shaping belt, characterized in that: An inverted concave bracket is installed between the frame plates above the hot cutting roller. An anti-sticking hot cutting component is installed on the inverted concave bracket. A waste trough is provided below the hot cutting roller. The waste trough is placed in the area below the hot cutting roller by pulling out a handle, and the waste trough is limited by an L-shaped card seat on the upper surface of the mounting base.

2. The anti-sticking heat-cutting component for a biodegradable plastic packaging bag heat-cutting machine according to claim 1, characterized in that: The anti-adhesion hot cutting assembly includes two scrapers disposed on the front and rear sides of the hot cutting blade. Each of the two scrapers has a connecting post on its outer side at both ends. The connecting posts are connected by a telescopic tension spring rod, and each connecting post has a pull plate connected to its upper surface. The pull plates are connected to the rotating part of the upper rotating bearing seat. The non-rotating part of the rotating bearing seat is installed on the lower end of the L-shaped connecting rod. The upper end of the L-shaped connecting rod is fixed to the lower surface of the inverted concave bracket by bolts. The outer side of the lower end of the L-shaped connecting rod is connected to the inner side of the concave area of ​​the inverted concave bracket through a bracket rod.

3. The anti-sticking heat-cutting component for a biodegradable plastic packaging bag heat-cutting machine according to claim 2, characterized in that: The L-shaped connecting rod does not contact the two sides of the hot cutting blade, and the two scrapers have the same length as the hot cutting blade.

4. The anti-sticking heat-cutting component for a biodegradable plastic packaging bag heat-cutting machine according to claim 3, characterized in that: The inner lower sides of the two scrapers are machined with sharp edges, and the inner ends are pressed against the front and rear sides of the hot cutting knife by a telescopic tension spring rod. The outer ends of the two scrapers extend outward at an angle of three to five centimeters.

5. The anti-sticking heat-cutting component for a biodegradable plastic packaging bag heat-cutting machine according to claim 4, characterized in that: The hot cutting blade is driven by lifting cylinders at both ends to move up and down between two scrapers.

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