Polyurethane foam dressing shaping and cutting device

By designing a polyurethane foam dressing shaping and cutting device, and utilizing a combination structure of slide rails, support frames, hydraulic cylinders, and pressure plates, the problem of burrs during the polyurethane foam dressing cutting process was solved, achieving efficient cutting and demolding, and improving production efficiency and product quality.

CN223671427UActive Publication Date: 2025-12-16HAISHI HAINUO (HUNAN) MEDICAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520120812.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2025-12-16
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

Existing polyurethane foam dressings are prone to leaving burrs during the cutting process, which affects production efficiency and product quality.

Method used

A polyurethane foam dressing shaping and cutting device was designed, which adopts a combination structure of slide rail, support frame, hydraulic cylinder and pressure plate, combined with cutting mold and flip plate structure to achieve efficient cutting and demolding.

Benefits of technology

It improves the cutting efficiency and quality of polyurethane foam dressings, reduces burr residue, and enhances production efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

A polyurethane foam dressing shaping and cutting device relates to the technical field of polyurethane foam dressing production and comprises a workbench, two sliding rails, cutting dies, a supporting frame, a hydraulic cylinder and a pressing plate, the two sliding rails are symmetrically arranged on the upper end face of the workbench, the cutting dies in sliding connection are arranged on the two sliding rails, a polyurethane foam dressing base material is laid on the cutting device, and the hydraulic cylinder is arranged on the supporting frame. A supporting frame is arranged above the workbench, a hydraulic cylinder is arranged on the upper end face of the supporting frame, a piston of the hydraulic cylinder extends downwards to penetrate through the supporting frame and is provided with a pressing plate parallel to the workbench, and the pressing plate is matched with the cutting die. The polyurethane foam dressing base material cutting device is high in practicability and very convenient to use, and a polyurethane foam dressing base material can be conveniently, rapidly and efficiently cut through the matched arrangement of the cutting mold and the pressing plate; a rotating shaft and a turning plate are arranged on the cutting mold, so that the cut polyurethane foam is convenient to demold; and the two fixing frames are arranged on the bottom plate, so that the polyurethane foam dressing base material is conveniently and flatly laid, and the cutting quality is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to polyurethane foam dressing production technical field especially polyurethane foam dressing shaping cutting device. BACKGROUND

[0002] Polyurethane foam dressing can effectively lower factor, pollution and chemical stimulation, protect the wound, and keep the wet environment of the wound, promote cell growth, reduce pain and improve patient comfort, so it is widely used in the medical industry, polyurethane foam dressing will be cut in the process of production after slicing polyurethane foam base material, to facilitate subsequent processing, the existing processing method will leave some burrs and other residues around the polyurethane foam dressing in the process of segmentation, need to polish and trim again, affect production efficiency and product quality, therefore we put forward a kind of polyurethane foam dressing shaping cutting device. UTILITY MODEL CONTENTS

[0003] In order to overcome the deficiency in the background art, the utility model discloses a polyurethane foam dressing shaping cutting device, the utility model discloses a cutting die is set up on the slide rail, and a hydraulic cylinder and a pressing plate are set up on the support frame, so that the polyurethane foam dressing base material is cut efficiently.

[0004] In order to realize the utility model purpose, the utility model adopts the following technical scheme:

[0005] A kind of polyurethane foam dressing shaping cutting device, including workbench, slide rail, cutting die, support frame, hydraulic cylinder and pressing plate, two slide rails are symmetrically arranged on the upper end surface of workbench, cutting die is slidably connected on the two slide rails, polyurethane foam dressing base material is laid on cutting device, support frame is arranged above workbench, hydraulic cylinder is arranged on the upper end surface of support frame, hydraulic cylinder piston extends downwards through support frame, and it is equipped with the pressing plate parallel to workbench, the pressing plate is cooperatively arranged with cutting die.

[0006] The support frame is a character-shaped structure, and the support frame is distributed with positioning holes, a limiting rod is arranged in each positioning hole in a longitudinal direction, the limiting rod is slidably connected with the positioning hole, and the lower end of the limiting rod is connected with the upper end surface of the pressing plate.

[0007] At least one limiting block is arranged on the upper end surface of the workbench, and the limiting block is arranged below the pressing plate.

[0008] The cutting die includes a bottom plate, a support plate and a cutter, the bottom plate is arranged on the slide rail, one end of the lower end surface of the bottom plate is provided with a limiting groove matched with the limiting block, the upper end surface of the bottom plate is provided with the support plate in the middle, the upper end surface of the support plate is equidistantly arranged with fixed holes, and each fixed hole is provided with an annular cutter, and the blade part of the cutter penetrates the upper end surface of the fixed hole.

[0009] The bottom plate is distributed with rotating shafts away from the support frame, one end of the rotating shafts is arranged in the corresponding fixed hole through the side of the bottom plate, the rotating shafts are rotationally connected with the bottom plate, the side of the rotating shafts is distributed with turning plates, the turning plates are arranged at the bottom of the corresponding fixed hole, and one end of the turning plates is connected with the side of the rotating shafts.

[0010] The cutting mold further comprises fixed frames arranged on both sides of the bottom plate, the fixed frames are in the shape of a Chinese character 'n', T-shaped grooves are arranged on the inner walls of the two longitudinal ends of the fixed frames, and fixed clamping blocks are distributed on the lower surface of the transverse end of the fixed frame.

[0011] Two sliding blocks are symmetrically arranged on both sides of the bottom plate, the sliding blocks are arranged in cooperation with the T-shaped grooves, and positioning blocks are arranged below the two sliding blocks.

[0012] The polyurethane foam dressing plastic cutting device has the advantages of high practicability, convenience in use, convenient and fast and efficient cutting of the polyurethane foam dressing base material through the cooperation of the cutting mold and the pressing plate, convenient demolding of the cut polyurethane foam through the rotating shafts and the turning plates arranged on the cutting mold, and convenient and flat laying of the polyurethane foam dressing base material through the two fixed frames arranged on the bottom plate, thereby improving the cutting quality. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0014] Figure 2 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 3 It is a three-dimensional structure schematic view of the cutting mold of the utility model;

[0016] Figure 4 It is an enlarged view of A of the utility model;

[0017] Figure 5 It is a sectional view of the fixed frame of the utility model;

[0018] In the drawing: 1, workbench; 2, sliding rail; 3, support frame; 4, hydraulic cylinder; 5, positioning hole; 6, limiting rod; 7, bottom plate; 8, pressing plate; 9, limiting block; 10, limiting groove; 11, support plate; 12, fixed frame; 13, fixed hole; 14, rotating shaft; 15, turning plate; 16, cutting knife; 17, fixed clamping block; 18, T-shaped groove; 19, sliding block; 20, positioning block. DETAILED DESCRIPTION

[0019] The utility model can be explained in detail through the following embodiments, and the purpose of the utility model is to protect all technical improvements within the scope of the utility model.

[0020] The utility model is combined with the drawingsFigures 1-5 A polyurethane foam dressing shaping cutting device, comprising a workbench 1, a slide rail 2, a cutting die, a support frame 3, a hydraulic cylinder 4 and a pressing plate 8, the upper end face of the workbench 1 is symmetrically provided with two slide rails 2, and the two slide rails 2 are provided with a slidingly connected cutting die, the polyurethane foam dressing substrate is laid on the cutting device, the upper end face of the workbench 1 is provided with a support frame 3, the upper end face of the support frame 3 is provided with a hydraulic cylinder 4, the piston of the hydraulic cylinder 4 extends downward through the support frame 3, and a pressing plate 8 parallel to the workbench 1 is arranged, the pressing plate 8 is arranged in cooperation with the cutting die, the polyurethane foam dressing substrate is quickly and neatly cut, and the processing efficiency is improved.

[0021] The support frame 3 is in a shape of a Chinese character 'n', the support frame 3 is distributed with positioning holes 5, each positioning hole 5 is provided with a limiting rod 6 arranged in the longitudinal direction, the limiting rod 6 is in sliding connection with the positioning hole 5, the lower end of the limiting rod 6 is connected with the upper end face of the pressing plate 8, and the limiting rod 6 slides up and down in the positioning hole 5, so that the pressing plate 8 is prevented from shaking or displacing when moving, and the processing quality is improved.

[0022] The upper end face of the workbench 1 is provided with at least one limiting block 9, the limiting block 9 is arranged below the pressing plate 8, the limiting block 9 fixes the position of the cutting die, and the cutting die is convenient to cooperate with the pressing plate 8.

[0023] The cutting die comprises a bottom plate 7, a support plate 11 and a cutter 16, the bottom plate 7 is arranged on the slide rail 2, one end of the lower end face of the bottom plate 7 is provided with a limiting groove 10 arranged in cooperation with the limiting block 9, the upper end face of the bottom plate 7 is provided with the support plate 11 in the middle, the upper end face of the support plate 11 is distributed with fixed holes 13 in equidistant array, each fixed hole 13 is provided with a ring-shaped cutter 16, the blade part of the cutter 16 penetrates through the upper end face of the fixed hole 13, the polyurethane foam dressing substrate is laid on the cutter 16, and is cut by the cutter 16 through the pressing plate 8.

[0024] The bottom plate 7 is distributed with a rotating shaft 14 away from the support frame 3, one end of the rotating shaft 14 penetrates through the side face of the bottom plate 7 and is arranged in the corresponding fixed hole 13, the rotating shaft 14 is in rotational connection with the bottom plate 7, the side face of the rotating shaft 14 is distributed with a flap 15, the flap 15 is arranged at the bottom of the corresponding fixed hole 13, one end of the flap 15 is connected with the side face of the rotating shaft 14, and rotating the rotating shaft 14 makes one end of the flap 15 lift up, so that one end of the cut polyurethane foam dressing is ejected from the fixed hole 13, and demolding is facilitated.

[0025] The cutting die further comprises fixed frames 12 arranged on both sides of the bottom plate 7, the fixed frames 12 are in the shape of a Chinese character 'n', T-shaped grooves 18 are arranged on the inner walls of the two longitudinal ends of the fixed frames 12, fixed clamping blocks 17 are distributed on the lower surface of the transverse end of the fixed frames 12, the two fixed frames 12 fix the two ends of the polyurethane foam dressing substrate above the support plate 11, keep the polyurethane foam dressing substrate flat, and have a certain tension on the polyurethane foam dressing substrate, so that the surface of the polyurethane foam dressing substrate is prevented from being deformed during the pressing process, the generation of defective products is reduced, and the processing quality is improved.

[0026] Two sliding blocks 19 are symmetrically arranged on both sides of the bottom plate 7 and are matched with the T-shaped grooves 18, the fixed frames 12 rotate around the sliding blocks 19, the polyurethane foam dressing substrate is conveniently laid flat, positioning blocks 20 are arranged below the two sliding blocks 19, the positioning blocks 20 are clamped in the T-shaped grooves 18 and are matched with the sliding blocks 19, so that the fixed frames 12 are kept vertical at the two ends of the bottom plate 7 and the polyurethane foam dressing substrate is fixed.

[0027] In use, the polyurethane foam dressing substrate is laid on the cutter 16 of the support plate 11, the fixed frames 12 are rotated around the sliding blocks 19, the fixed frames 12 are kept vertical, the fixed frames 12 are pressed downward, the positioning blocks 20 are pressed into the lower ends of the T-shaped grooves 18, the fixed frames 12 are fixed by the abutment of the positioning blocks 20 and the inner walls of the T-shaped grooves 18, the fixed clamping blocks 17 are clamped at the ends of the polyurethane foam dressing substrate, the polyurethane foam dressing substrate is fixed by the fixed frames 12 at the two ends of the bottom plate 7 and a certain tension is generated on the surface of the polyurethane foam dressing substrate, so that the surface of the polyurethane foam dressing substrate is prevented from being deformed during the pressing process, the generation of defective products is reduced, and the processing quality is improved, the bottom plate 7 is pushed along the sliding rail 2 to below the pressing plate 8, the limiting block 9 fixes the position of the cutting die, the cutting die is conveniently matched with the pressing plate 8, the hydraulic cylinder 4 is started to move the pressing plate 8 downward, the limiting rod 6 slides up and down in the positioning hole 5, the pressing plate 8 is prevented from shaking or shifting during the movement, the processing quality is improved, the cutter 16 cuts the polyurethane foam dressing substrate when the pressing plate 8 is pressed, the cut polyurethane foam dressing falls into the fixed hole 13, the cutting die is pulled out after the pressing plate 8 is lifted, the turning shaft 14 is rotated to lift one end of the turning plate 15, one end of the cut polyurethane foam dressing is pushed out of the fixed hole 13, and the mold is conveniently demolded.

[0028] The utility model discloses not detailed part is prior art, although combining preferred implementation scheme specifically shows and introduces the utility model, the specific implementation this technical scheme method and approach is many, above-mentioned only is the preferred implementation mode of the utility model, but the skilled person in the art should understand that can make various changes to the utility model in form and detail without departing from the spirit and scope of the utility model defined in the appended claims, and all are the protection scope of the utility model.

Claims

1. A polyurethane foam dressing shaping and cutting device, comprising a workbench (1), a slide rail (2), a cutting mold, a support frame (3), a hydraulic cylinder (4) and a pressing plate (8), the upper end face of the workbench (1) is symmetrically provided with two slide rails (2), and the two slide rails (2) are provided with a slidingly connected cutting mold, characterized in that: Polyurethane foam dressing substrate is laid on the cutting device, the workbench (1) is provided with a support frame (3) above, the support frame (3) is provided with a hydraulic cylinder (4) on the upper end surface, the hydraulic cylinder (4) piston extends downward through the support frame (3), and a pressing plate (8) parallel to the workbench (1) is arranged, and the pressing plate (8) is arranged in cooperation with the cutting die.

2. The polyurethane foam dressing shaping and cutting device of claim 1, wherein: The support frame (3) is to the shape of a letter, and the support frame (3) is distributed with positioning holes (5), and each positioning hole (5) is provided with a limiting rod (6) arranged in the longitudinal direction, the limiting rod (6) is in sliding connection with the positioning hole (5), and the lower end of the limiting rod (6) is connected with the upper end surface of the pressing plate (8).

3. The polyurethane foam dressing shaping and cutting device of claim 1, wherein: The upper end surface of the workbench (1) is provided with at least one limiting block (9), and the limiting block (9) is arranged below the pressing plate (8).

4. The polyurethane foam dressing shaping and cutting device of claim 1, wherein: The cutting die comprises a bottom plate (7), a support plate (11) and a cutter (16), the bottom plate (7) is arranged on the slide rail (2), one end of the lower end surface of the bottom plate (7) is provided with a limiting groove (10) matched with the limiting block (9), the upper end surface of the bottom plate (7) is provided with the support plate (11) in the middle, the upper end surface of the support plate (11) is distributed with fixed holes (13) at equal intervals, each fixed hole (13) is provided with an annular cutter (16), and the blade part of the cutter (16) penetrates the upper end surface of the fixed hole (13).

5. The polyurethane foam dressing shaping and cutting device of claim 4, wherein: The bottom plate (7) is distributed with a rotating shaft (14) away from the support frame (3), one end of the rotating shaft (14) penetrates the side surface of the bottom plate (7) and is arranged in the corresponding fixed hole (13), the rotating shaft (14) is in rotary connection with the bottom plate (7), and the side surface of the rotating shaft (14) is distributed with a flap (15), the flap (15) is arranged at the bottom of the corresponding fixed hole (13), and one end of the flap (15) is connected with the side surface of the rotating shaft (14).

6. The polyurethane foam dressing shaping and cutting device of claim 4, wherein: The cutting die further comprises a fixed frame (12), and the fixed frame (12) is arranged on both sides of the bottom plate (7), the fixed frame (12) is to the shape of a letter, and the inner walls of the two longitudinal ends of the fixed frame (12) are provided with T-shaped grooves (18), and the lower part of the horizontal end of the fixed frame (12) is distributed with fixed clamping blocks (17).

7. The polyurethane foam dressing shaping and cutting device of claim 6, wherein: The bottom plate (7) is provided with two sliding blocks (19) symmetrically arranged on both sides, the sliding blocks (19) are arranged in cooperation with the T-shaped grooves (18), and the lower parts of the two sliding blocks (19) are provided with limiting blocks (20).