Degradable non-stick dressing and production equipment thereof

Abstract

The utility model discloses a degradable non-stick dressing and production equipment thereof, the degradable non-stick dressing comprises an imbibition layer and a surface layer wrapping the imbibition layer, the imbibition layer is a cotton fiber layer, a superior silk fiber layer, a cotton fiber and superior silk fiber mixed layer or a bamboo fiber layer, the surface layer is provided with meshes, and the surface layer is provided with a non-stick layer. And the surface layer is a polylactic acid non-adhesive film or a polyvinyl alcohol film. The dressing production equipment comprises a rack, and a core material unwinding mechanism, a thin film unwinding mechanism, an edge covering mechanism, a hot pressing roller mechanism, a semi-finished product roller cutting mechanism, a packaging material unwinding mechanism, a four-edge sealing mechanism, a finished product cutter mechanism and a finished product conveying belt which are mounted on the rack. According to the degradable non-stick dressing disclosed by the utility model, used waste products can be quickly degraded in soil by a stacking method, so that white pollution is avoided; meanwhile, the production equipment is high in production speed, product quality can be detected on line, and labor cost is reduced at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of dressing production and manufacturing, in particular to a degradable non-stick dressing and production equipment thereof. Background Art

[0002] With the increase in the number of patients with chronic wound care problems, the progress of society and the improvement of people's quality of life, people's requirements for wound care products are getting higher and higher. Disposable medical dressings are a huge amount of wound care products, but the traditional dressings currently used have the following problems: (1) Dressings are only temporary covering materials and need to be replaced within a certain period of time. They are easy to adhere to the wound during the healing process, causing secondary damage. (2) The material of the dressing is non-degradable, and its waste will cause white pollution and pollute the environment. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a degradable non-stick dressing and a production device thereof, so as to solve the problem that the wound dressing in the prior art is non-degradable and its waste will cause white pollution.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A degradable non-stick dressing comprises a liquid-absorbing layer and a surface layer wrapping the liquid-absorbing layer, wherein the liquid-absorbing layer is a cotton fiber layer, a Urosic fiber layer, a mixed layer of cotton fiber and Urosic fiber, or a bamboo fiber layer, and mesh holes are provided on the surface layer, which is a polylactic acid non-stick film or a polyvinyl alcohol film.

[0006] As a further improvement of the above technical solution, the liquid-absorbing layer is made of cotton fiber, Ucosi fiber, bamboo fiber, or a mixture of cotton fiber and Ucosi fiber through needle punching.

[0007] As a further improvement of the above technical solution, the thickness of the liquid absorbing layer is 0.5-6 mm, and the gram weight of the liquid absorbing layer is 80-500 g / m 2 .

[0008] The utility model also provides the following technical solutions:

[0009] A dressing production equipment comprises a frame and a core material unwinding mechanism, a film unwinding mechanism, an edge wrapping mechanism, a hot pressing roller mechanism, a semi-finished product roller cutting mechanism, a packaging material unwinding mechanism, a four-side sealing mechanism, a finished product cutting mechanism and a finished product conveyor belt installed on the frame, wherein the core material unwinding mechanism is used for unwinding a liquid-absorbing layer strip material, the film unwinding mechanism is used for unwinding a surface layer strip material, the edge wrapping mechanism is used for wrapping the surface layer strip material in a U-shaped manner on the upper and lower sides of the liquid-absorbing layer strip material, the hot pressing roller mechanism is used for hot-pressing the wrapped strip material into a semi-finished product strip material, the semi-finished product roller cutting mechanism is used for cutting the semi-finished product strip material into a semi-finished dressing product, the packaging material unwinding mechanism is used for unwinding the packaging material, the four-side sealing mechanism is used for sealing and packaging the semi-finished dressing product in the packaging material, and the finished product cutting mechanism is used for cutting the packaged finished strip material into individual finished dressing products.

[0010] As a further improvement of the above technical solution, a punching mechanism is installed on the frame, and the punching mechanism is used to punch mesh holes on the surface strip of material after the film unwinding mechanism unwinds.

[0011] As a further improvement of the above technical solution, a punching waste removal mechanism is installed on the frame, and the punching waste removal mechanism is used to remove waste generated when punching the surface strip material.

[0012] As a further improvement of the above technical solution, the punching waste removal mechanism includes a tow paper unwinding assembly and a tow paper rewinding assembly, the tow paper unwinding assembly is used for unwinding the tow paper roll, and the tow paper rewinding assembly is used for rewinding the tow paper, an adhesive layer is applied on the tow paper, and the tow paper passes through the punching position of the punching mechanism through a supporting roller.

[0013] As a further improvement of the above technical solution, the frame is equipped with a reel-changing and splicing mechanism and a spare core material unwinding mechanism, and the reel-changing and splicing mechanism is used to splice the absorbent layer tape unwinded by the spare core material unwinding mechanism with the absorbent layer tape unwinded by the core material unwinding mechanism into one.

[0014] As a further improvement of the above technical solution, the packaging material unwinding mechanism includes an upper packaging material unwinding component and a lower packaging material unwinding component, and a coding machine is installed on the frame, and the coding machine is used to code the packaging material unwinding by the upper packaging material unwinding component or the lower packaging material unwinding component.

[0015] As a further improvement of the above technical solution, a camera is installed on the frame, and the camera is used to detect defective products.

[0016] The beneficial effects of the utility model are:

[0017] 1. The degradable non-stick dressing produced by the dressing production equipment can be quickly degraded in the soil through the stacking method after use, avoiding white pollution; in addition, the degradable non-stick dressing can effectively absorb exudate, does not stick to the wound, and is painless when removed. The mesh structure allows the skin to breathe naturally, eliminates water vapor and sweat, and effectively reduces the occurrence of wound infection.

[0018] 2. The utility model integrates non-stick film punching, product edging, hot pressing, semi-finished product cutting, finished product cutting and four-side sealing packaging into one production equipment. The equipment has a fast production speed and can detect product quality online while reducing labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a schematic diagram of a degradable non-stick dressing packaging product of the utility model;

[0021] Figure 2 It is a top view of a degradable non-stick dressing of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of a degradable non-stick dressing of the utility model (along the Figure 2 AA cross-section in the middle);

[0023] Figure 4 It is a schematic diagram of the dressing production equipment of the utility model.

[0024] Reference numerals:

[0025] 100. finished dressing product; 200. degradable non-stick dressing; 201. liquid absorption layer; 202. surface layer; 203. mesh;

[0026] 1. Frame; 2. Core material unwinding mechanism; 3. Spare core material unwinding mechanism; 4. Reel changing and splicing mechanism; 5. Film unwinding mechanism; 6. Punching mechanism; 7. Punching waste material removal mechanism; 71. Drag paper unwinding assembly; 72. Drag paper rewinding assembly; 73. Support roller; 8. Edge wrapping mechanism; 9. Hot pressing roller mechanism; 10. Semi-finished product roller cutting mechanism; 11. Upper packaging material unwinding assembly; 12. Lower packaging material unwinding assembly; 13. Coding machine; 14. Four-side sealing mechanism; 15. Finished product cutting mechanism; 16. Finished product conveyor belt; 17. Touch screen; 18. Camera. DETAILED DESCRIPTION

[0027] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the utility model, so as to fully understand the purpose, characteristics and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the utility model. In addition, all the connection / connection relationships involved in the patent do not refer to the direct connection of components, but refer to the fact that according to the specific implementation situation, a better connection structure can be formed by adding or reducing connection accessories. For example, fixed connection / fixed installation can be selected according to the needs of screw connection, bolt connection, pin connection, key connection, bonding, mortise and tenon connection, welding, riveting and other methods. For example, detachable connection can be selected according to the needs of screw connection, bolt connection, threaded connection, snap connection, mortise and tenon connection, Velcro connection and other methods. The various technical features in the creation of the utility model can be combined interactively without conflicting with each other.

[0028] Reference Figure 2 and Figure 3 The embodiment provided by the utility model includes a degradable non-stick dressing, which includes a liquid-absorbing layer 201 and a surface layer 202 wrapping the liquid-absorbing layer 201, and the surface layer 202 is provided with a mesh 203; wherein:

[0029] In one embodiment, the liquid absorbent layer 201 is a cotton fiber layer, that is, the material of the liquid absorbent layer 201 is 100% cotton fiber, the cotton fiber layer is processed by needle punching or hydroentanglement, the thickness of the cotton fiber layer can be selected from the range of 0.5-6mm, and the gram weight of the cotton fiber layer can be selected from the range of 100-500g / m2.

[0030] In another embodiment, the liquid absorbent layer 201 is a Ucosil fiber layer, that is, the material of the liquid absorbent layer 201 is 100% Ucosil fiber, the Ucosil fiber layer is processed by a needle punching process, the thickness of the Ucosil fiber layer can be selected from the range of 0.5-6 mm, and the gram weight of the Ucosil fiber layer can be selected from the range of 80-500 g / m2.

[0031] In another embodiment, the liquid-absorbing layer 201 is a mixed layer of cotton fiber and Eucosil fiber, that is, the material of the liquid-absorbing layer 201 is a mixture of cotton fiber and Eucosil fiber, the mixed layer of cotton fiber and Eucosil fiber is processed by a needle punching process, the thickness of the mixed layer of cotton fiber and Eucosil fiber can be selected from the range of 0.5-6 mm, and the gram weight of the mixed layer of cotton fiber and Eucosil fiber can be selected from the range of 80-500 g / m2.

[0032] In another embodiment, the liquid absorbent layer 201 is a bamboo fiber layer, that is, the material of the liquid absorbent layer 201 is 100% bamboo fiber, the bamboo fiber layer is processed by a needle punching process, the thickness of the bamboo fiber layer can be selected from the range of 0.5-6mm, and the gram weight of the bamboo fiber layer can be selected from the range of 80-500g / m2.

[0033] in addition:

[0034] In one embodiment, the surface layer 202 is a polylactic acid non-stick film, that is, the material of the surface layer 202 is polylactic acid, a degradable material.

[0035] In another embodiment, the surface layer 202 is a polyvinyl alcohol film, that is, the material of the surface layer 202 is a degradable material polyvinyl alcohol.

[0036] In other embodiments, the surface layer 202 may also be a non-stick film made of other degradable materials.

[0037] In the present invention, the surface layer 202 of the dressing is a polylactic acid non-stick film or a polyvinyl alcohol film, and the material of the liquid absorption layer 201 is cotton fiber, bamboo fiber or Urosic fiber, all of which are degradable materials, so that the waste products of the degradable non-stick dressing 200 of the present invention after use can be quickly degraded in the soil by a stacking method to avoid causing white pollution. At the same time, the degradable non-stick dressing 200 can effectively absorb exudate, does not stick to the wound, and is painless when removed.

[0038] The dressing of the utility model is provided with mesh holes 203 on the surface layer 202. The mesh holes 203 structure can make the skin breathe naturally, remove water vapor and sweat, and effectively reduce the occurrence of wound infection.

[0039] The embodiment provided by the utility model also includes a dressing production device for producing and processing the degradable non-stick dressing product in the above embodiment, referring to Figure 4 The dressing production equipment includes a frame 1 and a core material unwinding mechanism 2 installed on the frame 1, a film unwinding mechanism 5, a punching mechanism 6, a punching waste material removal mechanism 7, an edge wrapping mechanism 8, a hot pressing roller mechanism 9, a semi-finished product roller cutting mechanism 10, a packaging material unwinding mechanism, a four-side sealing mechanism 14, a finished product cutting mechanism 15 and a finished product conveyor belt 16.

[0040] The processing flow is as follows: the liquid-absorbing layer strip is unwound through the core material unwinding mechanism 2, and the film unwinding mechanism 5 is synchronously unwinding the surface layer strip. When the surface layer strip is conveyed, the mesh 203 is processed through the punching mechanism 6, and the waste material after the punching on the surface layer strip is cleared through the punching waste material removal mechanism 7, so that the surface layer strip can be conveyed cleanly. Then the surface layer strip and the liquid-absorbing layer strip are simultaneously passed through the edge wrapping mechanism 8, and the edge wrapping mechanism 8 wraps the surface layer strip in a U-shape on the upper and lower sides of the liquid-absorbing layer strip. The wrapped composite strip is hot-pressed by the hot pressing roller mechanism 9 into a semi-finished strip. The semi-finished strip continues to convey to the semi-finished product roller cutting mechanism 10, and the semi-finished product roller cutting mechanism 10 cuts the semi-finished strip into The semi-finished dressing products are cut into individual semi-finished dressing products. At this time, the lower packaging material unwinding component 12 in the packaging material unwinding mechanism unwinds the lower packaging material, and the lower packaging material can timely receive the semi-finished dressing products cut into individual products, and drive the semi-finished dressing products to continue to move on the belt. The upper packaging material unwinding component 11 in the packaging material unwinding mechanism unwinds the upper packaging material, and the upper and lower packaging materials wrap the semi-finished dressing products between the two, and then the semi-finished dressing products are sealed and packaged in the packaging materials through the four-side sealing mechanism 14, and then the finished product cutting mechanism 15 cuts the packaged finished tape into individual finished dressing products 100 (refer to Figure 1 ), a single finished dressing product 100 enters the finished product conveyor belt 16 and is transported to the unloading station for easy collection and packaging.

[0041] In a preferred embodiment, the punching waste removal mechanism 7 includes a drag paper unwinding assembly 71 and a drag paper rewinding assembly 72. The drag paper is unrolled after passing through the drag paper unwinding assembly 71 and is rewinded by the drag paper rewinding assembly 72. An adhesive layer is applied on the drag paper. The drag paper passes through the punching position of the punching mechanism 6 through a supporting roller 73. The supporting roller 73 is installed below the punching position in the punching mechanism 6. The waste generated after punching adheres to the drag paper for collection, thereby preventing the waste from adhering to the punching needles of the punching mechanism 6 or adhering to the surface material, so as to improve product quality.

[0042] In a preferred embodiment, a reel-changing and splicing mechanism 4 and a spare core material unwinding mechanism 3 are installed on the frame 1, and the reel-changing and splicing mechanism 4 is used to splice the absorbent layer tape unwinding from the spare core material unwinding mechanism 3 with the absorbent layer tape unwinding from the core material unwinding mechanism 2 into one, so that after the unwinding of the absorbent layer tape on the core material unwinding mechanism 2 is completed, the front end of the absorbent layer tape on the spare core material unwinding mechanism 3 is connected with the rear end of the absorbent layer tape unwinding from the core material unwinding mechanism 2 through the reel-changing and splicing mechanism 4, and the unwinding of the absorbent layer tape continues, thereby improving product production efficiency.

[0043] In a preferred embodiment, a coding machine 13 is installed on the frame 1, and the coding machine 13 codes the packaging material unwound by the lower packaging material unwinding assembly 12, so that each finished dressing product 100 has a coding label.

[0044] In a preferred embodiment, a camera 18 is installed on the frame 1, and the camera 18 performs online photo inspection on the produced products to detect defective products, so that the defective products can be eliminated.

[0045] In this embodiment, a touch screen 17 is installed on the frame 1, and the touch screen 17 can display information of various mechanisms in the production equipment and control them.

[0046] The dressing production equipment of the utility model integrates non-stick film punching, product edge wrapping, hot pressing, semi-finished product cutting, finished product cutting and four-side sealing packaging. The equipment has a fast production speed and can detect product quality online while reducing labor costs.

[0047] The core material unwinding mechanism 2, film unwinding mechanism 5, punching mechanism 6, punching waste material removal mechanism 7, edge wrapping mechanism 8, hot pressing roller mechanism 9, semi-finished product roller cutting mechanism 10, packaging material unwinding mechanism, four-side sealing mechanism 14, finished product cutting mechanism 15, finished product conveyor belt 16, touch screen 17, camera 18, coding machine 13 and other mechanisms in the dressing production equipment are all prior arts, and their specific structures, installation methods, control methods, etc. are not repeated in this utility model.

[0048] The above is a specific description of the preferred implementation of the utility model, but the invention of the utility model is not limited to the described embodiments. Technical personnel familiar with the field can also make various equivalent deformations or substitutions without violating the spirit of the utility model. These equivalent deformations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A degradable non-stick dressing, Features: It comprises a liquid-absorbing layer and a surface layer wrapping the liquid-absorbing layer, wherein the liquid-absorbing layer is a cotton fiber layer, a Ucotyl fiber layer, a mixed layer of cotton fiber and Ucotyl fiber, or a bamboo fiber layer, and the surface layer is provided with mesh holes, and the surface layer is a polylactic acid non-stick film or a polyvinyl alcohol film.

2. A degradable non-stick dressing according to claim 1, Features: The liquid absorbing layer is made by needle punching.

3. A degradable non-stick dressing according to claim 1, Features: The thickness of the liquid-absorbing layer is 0.5-6 mm, and the gram weight of the liquid-absorbing layer is 80-500 g / m2.

4. A dressing production device for producing the degradable non-stick dressing according to any one of claims 1 to 3, Features: The invention comprises a frame and a core material unwinding mechanism, a film unwinding mechanism, an edge wrapping mechanism, a hot pressing roller mechanism, a semi-finished product roller cutting mechanism, a packaging material unwinding mechanism, a four-side sealing mechanism, a finished product cutting mechanism and a finished product conveyor belt installed on the frame. The core material unwinding mechanism is used for unwinding the liquid-absorbing layer strip material, the film unwinding mechanism is used for unwinding the surface layer strip material, the edge wrapping mechanism is used for wrapping the surface layer strip material in a U-shape on the upper and lower sides of the liquid-absorbing layer strip material, the hot pressing roller mechanism is used for hot-pressing the wrapped strip material into a semi-finished product strip material, the semi-finished product roller cutting mechanism is used for cutting the semi-finished product strip material into a semi-finished dressing product, the packaging material unwinding mechanism is used for unwinding the packaging material, the four-side sealing mechanism is used for sealing and packaging the semi-finished dressing product in the packaging material, and the finished product cutting mechanism is used for cutting the packaged finished strip material into individual finished dressing products.

5. The production equipment according to claim 4, Features: A punching mechanism is installed on the frame, and the punching mechanism is used to punch mesh holes on the surface layer of the film after being unwound by the film unwinding mechanism.

6. The production equipment according to claim 5, Features: The frame is provided with a punching waste removal mechanism, which is used to remove waste generated when punching holes in the surface strip material.

7. The production equipment according to claim 6, Features: The punching waste removal mechanism includes a tow paper unwinding assembly and a tow paper rewinding assembly. The tow paper unwinding assembly is used for unwinding the tow paper roll, and the tow paper rewinding assembly is used for rewinding the tow paper. The tow paper is coated with an adhesive layer, and the tow paper passes through the punching position of the punching mechanism through a supporting roller.

8. The production equipment according to claim 4, Features: The frame is equipped with a reel-changing and splicing mechanism and a spare core material unwinding mechanism, and the reel-changing and splicing mechanism is used to splice the liquid-absorbing layer tape unwinded by the spare core material unwinding mechanism with the liquid-absorbing layer tape unwinded by the core material unwinding mechanism into one.

9. The production equipment according to claim 4, Features: The packaging material unwinding mechanism comprises an upper packaging material unwinding component and a lower packaging material unwinding component. A coding machine is installed on the frame, and the coding machine is used to code the packaging material unwinded by the upper packaging material unwinding component or the lower packaging material unwinding component.

10. The production equipment according to claim 4, Features: A camera is installed on the frame, and the camera is used to detect defective products.

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