Film embossing roller

Abstract

The utility model relates to the technical field of film embossing, and discloses a film embossing roller which comprises a supporting frame, a lower roller body is rotationally arranged at the top of the supporting frame, a fixing frame is arranged on the outer side of the top of the supporting frame, a mounting frame sliding up and down is arranged below the fixing frame, and the fixing frame and the mounting frame are connected through a guide part. An upper roller body is rotationally arranged at the bottom of the mounting frame, a plurality of embossing grooves are formed in the surface of the lower roller body and the surface of the upper roller body, and the embossing grooves in the lower roller body and the embossing grooves in the upper roller body are formed in a staggered mode; the embossing grooves formed in the upper roller body and the lower roller body can be used for embossing the upper surface and the lower surface of a polylactic acid film, and the embossing grooves in the lower roller body and the upper roller body are staggered, so that the polylactic acid film can be fully pressed, the surface of the polylactic acid film is uneven, the passing time of smoke from the polylactic acid film is prolonged, and the service life of the polylactic acid film is prolonged. The filtering effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of film embossing, in particular to a film embossing roller. Background Art

[0002] Polylactic acid (PLA) is a new biodegradable material made from starch, a renewable plant resource. It is a polymer derived from lactic acid, a readily available and renewable raw material. The production process is pollution-free, and the product is biodegradable, allowing for recycling in nature, making it an ideal green polymer. When blended with other fully biodegradable materials, PLA films with high strength requirements can be produced, which are used to filter smoke at the filter tips of filter rods.

[0003] A search revealed a PLA film embossing roller disclosed in application number 201920295084.4, which belongs to the field of tobacco processing equipment. The PLA film embossing roller described in this utility model has an embossed structure consisting of intermittent, staggered elliptical grooves. The long axis of the elliptical grooves is parallel to the axis of the PLA film embossing roller and arranged in rows. Adjacent rows of elliptical grooves are staggered with equal spacing; adjacent elliptical grooves within a row are spaced evenly apart. The PLA film embossed by this utility model is easy to cut and roll, has good roundness, and exhibits high physical properties such as thermal insulation and elasticity.

[0004] However, the above method still has the following defects in actual use: the distance between the upper and lower embossing rollers is fixed, which makes it inconvenient to adjust the distance between the upper and lower embossing rollers according to the thickness of the polylactic acid film. Utility Model Content

[0005] The utility model aims to provide a film embossing roller, which has the effect of being able to adjust the distance between an upper roller body and a lower roller body and being able to fully press and feed a polylactic acid film.

[0006] The above technical purpose of the present utility model is achieved through the following technical solutions: a film embossing roller, comprising a support frame, a lower roller body is rotatably provided on the top of the support frame, a fixed frame is provided on the outer side of the top of the support frame, a mounting frame that slides up and down is provided below the fixed frame, and the fixed frame and the mounting frame are connected by a guide component, an upper roller body is rotatably provided on the bottom of the mounting frame, and a plurality of embossing grooves are provided on the surfaces of the lower roller body and the upper roller body, and the embossing grooves on the lower roller body and the upper roller body are staggered.

[0007] The utility model is further configured as follows: the guide component includes two guide rods, which are connected to both sides of the fixed frame; a guide seat is slidably provided on the surface of the guide rod, and the guide seat is rotatably connected to the end of the upper roller body.

[0008] The present invention is further configured as follows: a buffer spring is provided between the guide seat and the bottom of the fixing frame, and the buffer spring is sleeved on the outside of the guide rod.

[0009] The utility model is further configured as follows: an adjusting screw is threadedly provided on the middle portion of the top end of the fixing frame, the bottom end of the adjusting screw is rotatably connected to the middle portion of the top end of the mounting frame, and a rotating wheel is provided on the top end of the adjusting screw.

[0010] The utility model is further configured as follows: a pressing block is provided inside the embossed groove, and an outer forming portion of the pressing block is triangular, forming concave and convex points inside the embossed groove.

[0011] The present invention is further configured as follows: a folded edge is provided on the outer side of the bottom of the support frame, and a fixing groove is provided on the surface of the folded edge.

[0012] In summary, the utility model has the following beneficial effects: the utility model can emboss the upper and lower surfaces of the polylactic acid film through the embossing grooves provided on the upper roller body and the lower roller body, and the embossing grooves on the lower roller body and the upper roller body are staggered, which can fully press the polylactic acid film, making the surface of the lactic acid film uneven, increasing the time for the flue gas to pass through the polylactic acid film, and improving the filtration effect; the distance between the upper roller body and the lower roller body can be adjusted, which is suitable for polylactic acid films of different thicknesses. At the same time, the adjusting screw provided can have a self-locking effect while adjusting, and the guide components provided play a guiding and buffering role. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is one of the three-dimensional structural diagrams of the present utility model;

[0014] Figure 2 This is the second three-dimensional structural diagram of the utility model;

[0015] Figure 3 This is a schematic structural diagram of the upper roller body of the utility model;

[0016] Figure 4 For this utility model Figure 1 A schematic diagram of the enlarged structure at point A;

[0017] Figure 5 For this utility model Figure 3 Schematic diagram of the enlarged structure at point B.

[0018] In the figure: 1. Support frame; 2. Lower roller body; 3. Fixed frame; 4. Guide component; 401. Guide rod; 402. Guide seat; 403. Buffer spring; 5. Mounting frame; 6. Upper roller body; 7. Embossed groove; 701. Pressing block; 8. Adjusting screw; 801. Rotating wheel. DETAILED DESCRIPTION

[0019] The present invention will be further described below with reference to the accompanying drawings in the embodiments of the present invention.

[0020] See also Figures 1 to 5 The top of the support frame 1 is provided with a lower roller body 2, and the outer side of the top of the support frame 1 is provided with a fixing frame 3. The lower part of the fixing frame 3 is provided with a mounting frame 5 that slides up and down, and the fixing frame 3 and the mounting frame 5 are connected by a guide component 4. The guide component 4 provided can guide the movement of the mounting frame 5.

[0021] In this embodiment, preferably, the guide component 4 includes a guide rod 401, two guide rods 401 are provided, and are connected to both sides of the fixing frame 3. A guide seat 402 is slidably provided on the surface of the guide rod 401, and the guide seat 402 is rotatably connected to the end of the upper roller body 6. The sliding fit between the guide rod 401 and the guide seat 402 plays a guiding and limiting role in the movement of the mounting frame 5;

[0022] In this embodiment, preferably, a buffer spring 403 is provided between the guide seat 402 and the bottom of the fixing frame 3, and the buffer spring 403 is sleeved on the outside of the guide rod 401. The provided buffer spring 403 can buffer the movement of the mounting frame 5.

[0023] In this embodiment, preferably, an adjusting screw 8 is provided on the middle thread of the top of the fixing frame 3, and the bottom end of the adjusting screw 8 is rotatably connected to the middle of the top of the mounting frame 5. The mounting frame 5 can be driven to move up and down by rotating the adjusting screw 8 to adjust the distance between the upper roller body 6 and the lower roller body 2. A rotating wheel 801 is provided on the top of the adjusting screw 8, and the rotating wheel 801 is provided to facilitate the rotation of the adjusting screw 8;

[0024] In this embodiment, preferably, a pressing block 701 is provided inside the embossed groove 7, and the outer formed part of the pressing block 701 is triangular, forming concave and convex points inside the embossed groove 7, which can fully press the polylactic acid film, making the surface of the lactic acid film uneven, increasing the time for smoke to pass through the polylactic acid film, and improving the filtering effect.

[0025] When in use, the support frame 1 is first fixed through the fixing groove at the bottom, and the polylactic acid film is passed between the lower roller body 2 and the upper roller body 6, and the rotating wheel 801 is rotated to drive the adjusting screw 8 to rotate, and the mounting frame 5 is driven to move downward under the sliding cooperation of the guide rod 401 and the guide seat 402, so that the upper roller body 6 and the lower roller body 2 are in contact with the surface of the polylactic acid film, and the buffer spring 403 can play a buffering role during the downward movement of the mounting frame 5 to prevent damage to the polylactic acid film;

[0026] The polylactic acid film is then stretched and moved by a traction device, and the upper and lower surfaces of the polylactic acid film can be embossed by the embossing grooves 7 provided on the upper roller body 6 and the lower roller body 2, and the embossing grooves 7 on the lower roller body 2 and the upper roller body 6 are staggered, which can fully press the polylactic acid film. A pressing block 701 is provided inside the embossing groove 7 to form concave and convex points inside, so that the surface of the lactic acid film is uneven, which increases the time for the flue gas to pass through the polylactic acid film and improves the cooling and filtering effects.

[0027] The above description is only a preferred embodiment of the present invention. Therefore, any equivalent changes or modifications made according to the structure, features and principles described in the scope of the present invention patent application are included in the scope of the present invention patent application.

Claims

1. A film embossing roller, comprising a support frame (1), characterized in that: The top of the support frame (1) is rotatably provided with a lower roller body (2), the outer side of the top of the support frame (1) is provided with a fixed frame (3), the bottom of the fixed frame (3) is provided with a mounting frame (5) that slides up and down, and the fixed frame (3) and the mounting frame (5) are connected by a guide component (4), and the bottom of the mounting frame (5) is rotatably provided with an upper roller body (6), the surfaces of the lower roller body (2) and the upper roller body (6) are provided with a plurality of embossed grooves (7), and the embossed grooves (7) on the lower roller body (2) and the upper roller body (6) are staggered.

2. The film embossing roller according to claim 1, characterized in that: The guide component (4) includes two guide rods (401), which are connected to both sides of the fixed frame (3). A guide seat (402) is slidably provided on the surface of the guide rod (401), and the guide seat (402) is rotatably connected to the end of the upper roller body (6).

3. The film embossing roller according to claim 2, characterized in that: A buffer spring (403) is provided between the guide seat (402) and the bottom of the fixing frame (3), and the buffer spring (403) is sleeved on the outside of the guide rod (401).

4. The film embossing roller according to claim 1, wherein: The middle thread of the top of the fixing frame (3) is provided with an adjusting screw (8), the bottom end of the adjusting screw (8) is rotatably connected to the middle of the top of the mounting frame (5), and the top end of the adjusting screw (8) is provided with a rotating wheel (801).

5. The film embossing roller according to claim 1, characterized in that: A pressing block (701) is provided inside the embossed groove (7), and the outer forming portion of the pressing block (701) is triangular, forming concave and convex points inside the embossed groove (7).

6. The film embossing roller according to claim 1, characterized in that: The outer side of the bottom of the support frame (1) is provided with a folded edge, and the surface of the folded edge is provided with a fixing groove.

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