Steel wire bag for bedding article multi-piece set and production process of steel wire bag

Abstract

The invention discloses a steel wire bag for a bedding article multi-piece set and a production process thereof, and relates to the related field of steel wire bags, and the steel wire bag comprises a steel wire, a film, a handle, connecting cloth, a zipper, a zipper head, an anti-rust layer and an adhesive layer. In the production of the steel wire bag, the surface of the steel wire is coated with an anti-rust layer which is an epoxy resin coating, then the surface of the steel wire is coated with an adhesive layer which is polyurethane glue, the epoxy resin coating provides excellent corrosion resistance and wear resistance, the steel wire can be effectively protected from being influenced by the environment, the service life of the steel wire is prolonged, the strength and the surface adhesive force of the steel wire can be enhanced, and the service life of the steel wire is prolonged. According to the present invention, the steel wire and the plastic film are coated with the polyurethane glue so as to ensure that the coating does not easily fall off, the polyurethane glue has excellent adhesion and flexibility, can firmly bond the steel wire and the plastic film together, can adapt to various deformations of the packaging bag during the use process, and can maintain the good weather resistance and the lasting stability, and such a combination can significantly improve the overall quality and the durability of the packaging bag.

Description

Technical Field

[0001] The invention relates to the field related to steel wire packages, and a steel wire package for a multi-piece bedding set and a production process thereof. Background Art

[0002] Bedding multi-piece packaging bags (wire bags) are special bags used to package and protect a complete set of bedding (such as sheets, quilt covers, pillowcases, etc.). They are usually made of durable, dust-proof and moisture-proof materials, and are designed with zippers, handles and other functions to facilitate storage and carrying, and ensure that the products remain clean and tidy during transportation and sales.

[0003] The steel wire package in the prior art has the following problems during actual use: the steel wire is easily separated from the film during use, the overall fixation is poor, and when coating the steel wire during the production process, manual or semi-automatic operation is required, which is labor-intensive and affects work efficiency. Summary of the invention

[0004] Therefore, in order to solve the above-mentioned shortcomings, the present invention provides a steel wire bag for a multi-piece bedding set and a production process thereof.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a steel wire bag for a multi-piece bedding set and its production process, including steel wires, wherein the steel wires are provided in two groups, and the two groups of steel wires are both square in shape, and films are provided on the outside of the two groups of steel wires, and a handle is provided on the top of the film, and a connecting cloth is provided on the upper end of the front end surface of the film, a zipper is sewn in the middle of the connecting cloth, and a zipper head is provided in the middle of the zipper.

[0006] The surface of the steel wire is coated with an anti-rust layer, which is epoxy resin, and the surface of the anti-rust layer is attached with an adhesive layer, which is polyurethane glue.

[0007] Preferably, the specific steps are as follows:

[0008] S1 Film processing and printing: Cut the plastic film into the required size, use flexographic printing technology to print the required pattern, brand logo or product information on the film, and ensure that the printing is bright in color and not easy to fall off;

[0009] S2 Steel wire pretreatment: Cut the steel wire according to the length of the side of the bag. Two steel wires are needed, one for the left and one for the right. The surface of the steel wire is treated with anti-rust treatment by coating epoxy resin on the surface of the steel wire, and then coating polyurethane glue on the surface of the epoxy resin, which is completed by an auxiliary coating device;

[0010] S3 Steel wire embedding and film splicing: Fold a narrow edge on the side of the film to form a steel wire channel. The channel width should be slightly larger than the diameter of the steel wire to embed the steel wire. Embed the steel wire into the prefabricated channel to ensure that the steel wire is straight and not twisted in the channel. Use heat sealing technology to seal the steel wire channel.

[0011] S4 Bag forming: Use heat sealing equipment to seal the sides of the plastic film to form a bag body. During the sealing process, ensure that the steel wire is well fixed and does not affect the sealing quality;

[0012] S5 functional processing: install the connecting cloth at the front end of the film and install the zipper at the opening, ensure that the zipper is tightly combined with the film, and add a handle on the film;

[0013] S6 Quality Inspection: Check whether there are any defects on the bag surface, such as printing deviation and poor sealing, and perform tensile test on the sealing part to ensure that it can bear the designed weight.

[0014] Preferably, the auxiliary coating device includes a coating bin, an air vent opened at the top of the coating bin, a first support arm arranged at the lower left end of the coating bin, a uniform drying device connected to the top of the first support arm for drying the glue on the surface of the steel wire, a first motor arranged on the back of the coating bin and connected to the uniform drying device, a second support arm arranged at the lower right end of the coating bin, a uniform scraping mechanism arranged at the top of the second support arm for scraping the glue on the surface of the steel wire, a glue coating device arranged at the right end of the coating bin, and a glue injection pipe installed on the top of the glue coating device.

[0015] Preferably, the uniform drying device includes a guide frame connected to the first support arm, a rotating wheel arranged at the lower right end of the guide frame and connected to the output shaft of the first motor, a pulling belt arranged on the outside of the rotating wheel, a connecting piece connected to one end of the pulling belt, a drying component movably embedded in the two ends of the guide frame, and a first spring arranged at the front and rear ends of the right side of the guide frame and connected to the drying component at the right end, and the bottom of the drying component at the left end is connected to the connecting piece.

[0016] Preferably, the left middle part of the guide frame is open, and guide grooves are provided at the front and rear ends of the inner side of the guide frame, and the guide grooves match the drying assembly.

[0017] Preferably, the drying component includes a sliding part matching the inner side of the guide frame, an air duct arranged at the top right end of the sliding part, a side part arranged at the middle of the upper and lower ends of the sliding part, a limiting part hinged to the left end of the side part, and a second spring arranged between the side part and the limiting part, an air outlet is opened at the top of the sliding part, the air outlet is communicated with the air duct, and an outlet is opened in the sliding part.

[0018] Preferably, round holes are provided in the middle of the right end of the guide frame, the middle of the sliding member and between the two groups of limiting members to facilitate the passage of the steel wire, and a group of round holes is formed in the middle after the upper and lower limiting members are combined.

[0019] Preferably, the uniform scraping mechanism includes a support connected to the top of the second support arm, a guide connected to the left side of the support, a cylinder arranged at the bottom of the support and the guide, a connecting rod connected to the right side of the cylinder, a connecting piece connected to the other end of the connecting rod, a follower cylinder arranged inside the support, a spiral groove opened on the outside of the follower cylinder, a side block arranged at the front and rear positions of the left end of the follower cylinder, a sliding member arranged on the outside of the follower cylinder and placed on the inside of the support, and a toggle column arranged at the rear end of the middle part of the sliding member and movably embedded in the spiral groove.

[0020] Preferably, arc-shaped grooves are provided at the left and right ends of the guide member, and the side blocks match the arc-shaped grooves.

[0021] Preferably, a through hole is opened and closed in the middle of the follower cylinder for the steel wire to pass through, and scrapers are arranged in a ring shape inside the through hole.

[0022] Beneficial effects of the present invention:

[0023] The present invention coats an anti-rust layer of epoxy resin coating on the surface of the steel wire and then coats an adhesive layer of polyurethane glue during the production of the steel wire bag. The epoxy resin coating provides excellent corrosion resistance and wear resistance, can effectively protect the steel wire from environmental influences and extend its service life. It can also enhance the strength and surface adhesion of the steel wire to ensure that the coating is not easy to fall off. The polyurethane glue has excellent adhesion and flexibility, can firmly bond the steel wire to the plastic film, adapt to various deformations of the packaging bag during use, and maintain good weather resistance and long-term stability. This combination can significantly improve the overall quality and durability of the packaging bag.

[0024] The present invention is completed by adopting an auxiliary coating device in the coating process. The auxiliary coating device is equipped with a uniform scraping mechanism and a uniform drying device. The uniform scraping mechanism can reciprocate and uniformly scrape the surface of the steel wire after the glue is coated, so that the shape of the surface glue is completed, and the operation is automatic without manual assistance; and the uniform drying device is equipped with two groups of drying components that can move relative to each other. The drying components can quickly dry the surface of the steel wire that has been coated with glue, and corresponding limit parts are built in during the drying process to prevent deformation of the glue during the drying process. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the present invention;

[0026] Figure 2 It is a schematic diagram of the structure of the auxiliary coating device of the present invention;

[0027] Figure 3 It is a structural schematic diagram of the uniform drying device of the present invention;

[0028] Figure 4It is a structural schematic diagram of the uniform drying device of the present invention from another perspective;

[0029] Figure 5 It is a schematic diagram of the structure of the drying component of the present invention;

[0030] Figure 6 It is a schematic diagram of the main structure of the drying component of the present invention;

[0031] Figure 7 It is a schematic diagram of the structure of the uniform scraping mechanism of the present invention;

[0032] Figure 8 It is a structural schematic diagram of the uniform scraping mechanism of the present invention from another viewing angle;

[0033] Fig. 9 It is a schematic diagram of the follower cylinder separation structure of the present invention;

[0034] Fig.10 It is a schematic diagram of the main structure of the follower cylinder of the present invention.

[0035] Among them: steel wire-a, film-b, handle-c, connecting cloth-d, zipper-e, zipper head-f, anti-rust layer-a1, adhesive layer-a2, auxiliary coating device, coating chamber-1, air vent-2, first support arm-3, uniform drying device-4, first motor-4a, second support arm-5, uniform scraping mechanism-6, glue coating device-7, glue injection tube-8, guide frame-41, rotating wheel-42, pulling belt-43, connecting piece -44, drying component -45, first spring -46, sliding part -451, air duct -452, side part -453, second spring -454, limiting part -455, air outlet -451a, outlet -451b, supporting part -61, guiding part -62, cylinder -63, connecting rod -64, connecting part -65, follower cylinder -66, spiral groove -67, side block -68, sliding part -69, toggle column -610, scraper -66a. DETAILED DESCRIPTION

[0036] In order to further explain the technical solution of the present invention, it is described in detail below through specific embodiments.

[0037] See also Figure 1 The present invention provides a steel wire bag for a multi-piece bedding set, comprising two groups of front and rear square steel wires a arranged opposite to each other, the outer side of the steel wire a is covered with a film b, a handle c is connected to the middle of the top of the film b, a connecting cloth d is arranged at the upper end of the front surface of the film b, a zipper e is sewn in the middle of the connecting cloth d, and a zipper head f is arranged in the middle of the zipper e;

[0038] The outer side of the steel wire a is coated with an anti-rust layer a1, which is made of epoxy resin. Epoxy resin has excellent corrosion resistance, chemical resistance and weather resistance, and has a smooth surface. An adhesive layer a2 is attached to the surface of the anti-rust layer a1, and the adhesive layer a2 is polyurethane glue. The polyurethane glue has excellent elasticity and wear resistance and can form a strong bonding effect.

[0039] A production process for a steel wire bag for a multi-piece bedding set, the specific steps are as follows: S1 film b processing and printing: cut the plastic film b into the required size, use flexographic printing technology to print the required pattern, brand logo or product information on the film b, the printing should ensure bright colors and not easy to fall off; S2 steel wire a pretreatment: cut the steel wire a according to the side length of the bag, two steel wires a are required, one for the left and one for the right sides, the surface of the steel wire a is rust-proofed by coating epoxy resin on the surface of the steel wire a, and then coating polyurethane glue on the surface of the epoxy resin, and the auxiliary coating device is used to complete it; S3 steel wire a is embedded and spliced ​​with film b: fold a narrow edge on the side of the film b to form a steel wire a channel, the channel The width should be slightly larger than the diameter of the steel wire a so that the steel wire a can be embedded. The steel wire a is embedded in the prefabricated channel to ensure that the steel wire a is straight and not twisted in the channel. The steel wire a channel is sealed using heat sealing technology; S4 bag body forming: Use heat sealing equipment to seal the sides of the plastic film b to form a bag body. During the sealing process, ensure that the steel wire a is well fixed and does not affect the sealing quality; S5 functional processing: Install the connecting cloth at the front end of the film b and install the zipper e at the opening to ensure that the zipper e is tightly combined with the film b, and add a handle c to the film b; S6 quality inspection: Check whether there are any defects on the surface of the bag body, such as printing deviation and poor sealing, and perform a tensile test on the sealing part to ensure that it can withstand the designed weight.

[0040] See also Figure 2 The auxiliary coating device includes a coating bin 1, and air vents 2 are provided at the left and right ends of the top of the coating bin 1. A first supporting arm 3 is fixed to the left end of the bottom of the coating bin 1, and the top of the first supporting arm 3 is connected to a uniform drying device 4. The uniform drying device 4 can stably and evenly dry the surface coating of the steel wire passing through. An opening is provided in the middle of the left and right sides of the coating bin 1 to facilitate the entry and output of the steel wire. The back of the uniform drying device 4 is connected to a first motor 4a, and the first motor 4a is installed on the back of the coating bin 1. A second supporting arm 5 is installed at the right end of the bottom of the coating bin 1, and the top of the second supporting arm 5 is connected to a uniform scraping mechanism 6. The uniform scraping mechanism 6 can evenly scrape the surface coating of the steel wire passing through. A glue coating device 7 is provided at the right end of the coating bin 1. The glue coating device 7 is penetrated by the steel wire and can be coated with glue. A glue injection pipe 8 is provided on the top of the glue coating device 7, and the glue injection pipe 8 is connected to an external glue supply device.

[0041] See also Figure 3-Figure 6The uniform drying device 4 includes a guide frame 41 connected to the first support arm 3, the left middle part of the guide frame 41 is open, and guide grooves are provided at the front and rear ends of the inner side of the guide frame 41, a rotating wheel 42 is provided at the lower right side of the guide frame 41, the middle part of the rotating wheel 42 is connected to the output shaft of the first motor 4a, a pulling belt 43 is provided on the outer side of the rotating wheel 42, two groups of drying components 45 are movably embedded at both ends of the middle part of the guide member 41, a connecting member 44 is fixed at the bottom of the left drying component 45, the lower end of the connecting member 44 is connected to the pulling belt 43 for movement, and the lower right end of the right drying component 45 is connected to the other end of the pulling belt 43, and a first spring 46 is provided at the front and rear position on the right side of the guide frame 41, that is, on the right side of the front and rear guide grooves, and the left side of the first spring 46 is connected to the right drying component 45;

[0042] The drying assembly 45 includes a sliding member 451, the front and rear ends of the sliding member 451 match the front and rear guide grooves, the top right end of the sliding member 451 is installed with an air duct 452 that can be connected to an external air supply device, the middle of the upper and lower ends of the sliding member 451 is provided with a side member 453, the middle of the left end of the side member 453 is hinged with a limiting member 455, the right side of the limiting member 455 is connected to the side member 453 through a second spring 454, an air port 451a is opened at the top of the sliding member 451, the air port 451a is communicated with the air duct 452, and an outlet 451b is opened in the sliding member 451 for convenient air discharge;

[0043] Round holes are provided in the middle of the right end of the guide frame 41 , the middle of the sliding member 451 and between the two groups of stoppers 455 to facilitate the passage of the steel wire. When the upper and lower stoppers 455 are combined, a group of round holes are formed in the middle.

[0044] See also Figure 7-10 The uniform scraping mechanism 6 includes a support 61 for lifting and connected to the second support arm 5 at the bottom. A guide member 62 for guiding is fixed on the left side of the support 61. Arc grooves are provided at the left and right ends of the guide member 62. A cylinder 63 is installed at the bottom of the support 61 and the guide member 61. The right side of the cylinder 63 is connected to the connecting member 65 through a connecting rod 64. A slide 69 is movably embedded in the right end of the support 61. The right side of the slide 69 is fixed to the connecting member 65. A follower cylinder 66 is movably embedded in the slide 69. A spiral groove 67 is provided on the outer side of the follower cylinder 66. A toggle column 610 is movably embedded in the spiral groove 67. The toggle column 610 is arranged at the rear end of the middle part of the slide 69. Side blocks 68 are fixed at the front and rear ends of the left side of the follower cylinder 66. The side blocks 68 can be movably embedded in the arc groove inside the guide member 62.

[0045] A through hole is opened and closed in the middle of the follower cylinder 66 for the steel wire to pass through, and six groups of scrapers 66a are arranged in a ring inside the through hole. The scrapers 66a can scrape the surface of the steel wire passing through.

[0046] The specific implementation process of the auxiliary coating device is as follows:

[0047] When the surface of the steel wire a needs to be coated with glue, the steel wire a is fed into the coating chamber 1, first passes through the glue coating device 7, and the glue is introduced into the glue injection pipe 8 by the external glue supply device, and the steel wire a is coated with glue by the glue coating device 7;

[0048] Then, the follower cylinder 66 is entered, and the cylinder 63 is started to work. The right side of the cylinder 63 is accompanied by the connecting rod 64 to move the connecting member 65 to push the sliding member 69. The sliding member 69 can move with the toggle column 610 during the movement. At the same time, the follower cylinder 66 is pulled by the spiral groove 67. After the side block 68 at the left end of the follower cylinder 66 contacts the arc groove in the guide member 62, it can rotate to realize the rotation of the follower cylinder 66 during the reciprocating motion, and the rubber on the surface of the steel wire a can be stably and evenly swept by the internal scraper 66a.

[0049] Then the steel wire a enters the uniform drying device 4 for drying, and the external air supply equipment is started to work. Hot air is input into the sliding member 451 through the air duct 452, and blown out from the internal air outlet 451a to dry the steel wire a. The outlet 451b below discharges air, and then the first motor 4a is started to work. The first motor 4a drives the rotating wheel 42 to rotate. During the rotation of the rotating wheel 42, the outer pulling belt 43 can move with it, and the two groups of drying components 45 are pulled during the movement. During the movement, the steel wire a is stably dried, and a limiting member 455 is arranged in the component. The two groups of relative limiting members 455 can contact the steel wire a to prevent the surface glue thereof from being deformed, and the back of the limiting member 455 is connected with a spring, which has strong adaptability.

[0050] The above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A wire bag for a multi-piece bedding set, characterized in that: It includes two groups of steel wires, both groups of steel wires are square-shaped, thin films are arranged on the outside of the two groups of steel wires, a handle is arranged on the top of the film, a connecting cloth is arranged on the upper end of the front end surface of the film, a zipper is sewn on the middle part of the connecting cloth, and a zipper head is arranged in the middle part of the zipper. The surface of the steel wire is coated with an anti-rust layer, which is epoxy resin, and the surface of the anti-rust layer is attached with an adhesive layer, which is polyurethane glue.

2. A process for producing a steel wire package for a multi-piece bedding set, for preparing the steel wire package as claimed in claim 1, characterized in that: The specific steps are as follows: S1 Film processing and printing: Cut the plastic film into the required size, use flexographic printing technology to print the required pattern, brand logo or product information on the film, and ensure that the printing is bright in color and not easy to fall off; S2 Steel wire pretreatment: Cut the steel wire according to the length of the side of the bag. Two steel wires are needed, one for the left and one for the right. The surface of the steel wire is treated with anti-rust treatment by coating epoxy resin on the surface of the steel wire, and then coating polyurethane glue on the surface of the epoxy resin, which is completed by an auxiliary coating device; S3 Steel wire embedding and film splicing: Fold a narrow edge on the side of the film to form a steel wire channel. The channel width should be slightly larger than the diameter of the steel wire to embed the steel wire. Embed the steel wire into the prefabricated channel to ensure that the steel wire is straight and not twisted in the channel. Use heat sealing technology to seal the steel wire channel. S4 Bag forming: Use heat sealing equipment to seal the sides of the plastic film to form a bag body. During the sealing process, ensure that the steel wire is well fixed and does not affect the sealing quality; S5 functional processing: install the connecting cloth at the front end of the film and install the zipper at the opening, ensure that the zipper is tightly combined with the film, and add a handle on the film; S6 Quality Inspection: Check whether there are any defects on the bag surface, such as printing deviation and poor sealing, and perform tensile test on the sealing part to ensure that it can bear the designed weight.

3. A process for producing a steel wire package for a multi-piece bedding set according to claim 2, characterized in that: The auxiliary coating device includes a coating bin, an air vent opened at the top of the coating bin, a first support arm arranged at the lower left end of the coating bin, a uniform drying device connected to the top of the first support arm for drying the glue on the surface of the steel wire, a first motor arranged at the back of the coating bin and connected to the uniform drying device, a second support arm arranged at the lower right end of the coating bin, a uniform scraping mechanism arranged at the top of the second support arm for scraping the glue on the surface of the steel wire, a glue coating device arranged at the right end of the coating bin, and a glue injection pipe installed on the top of the glue coating device.

4. A process for producing a steel wire package for a multi-piece bedding set according to claim 3, characterized in that: The uniform drying device includes a guide frame connected to the first support arm, a rotating wheel arranged at the lower right end of the guide frame and connected to the output shaft of the first motor, a pulling belt arranged on the outside of the rotating wheel, a connecting piece connected to one end of the pulling belt, a drying component movably embedded in the two ends of the guide frame, and a first spring arranged at the front and rear ends of the right side of the guide frame and connected to the drying component at the right end, and the bottom of the drying component at the left end is connected to the connecting piece.

5. A process for producing a steel wire package for a multi-piece bedding set according to claim 4, characterized in that: The left middle part of the guide frame is open, and guide grooves are provided at the front and rear ends of the inner side of the guide frame, and the guide grooves are matched with the drying components.

6. A process for producing a steel wire package for a multi-piece bedding set according to claim 5, characterized in that: The drying component includes a sliding part matching the inner side of the guide frame, an air duct arranged at the top right end of the sliding part, a side part arranged at the middle of the upper and lower ends of the sliding part, a limiting part hinged to the left end of the side part, and a second spring arranged between the side part and the limiting part. An air outlet is opened at the top of the sliding part, the air outlet is communicated with the air duct, and an outlet is opened in the sliding part.

7. A process for producing a steel wire package for a multi-piece bedding set according to claim 6, characterized in that: Circular holes are provided in the middle of the right end of the guide frame, the middle of the sliding member and between the two groups of limiting members to facilitate the passage of the steel wire. A group of circular holes is formed in the middle after the upper and lower limiting members are combined.

8. The process for producing a steel wire package for a multi-piece bedding set according to claim 3, characterized in that: The uniform scraping mechanism includes a support connected to the top of the second support arm, a guide connected to the left side of the support, a cylinder arranged at the bottom of the support and the guide, a connecting rod connected to the right side of the cylinder, a connecting piece connected to the other end of the connecting rod, a follower cylinder arranged inside the support, a spiral groove opened on the outside of the follower cylinder, a side block arranged at the front and rear positions of the left end of the follower cylinder, a sliding piece arranged on the outside of the follower cylinder and placed on the inside of the support, and a toggle column arranged at the rear end of the middle part of the sliding piece and movably embedded in the spiral groove.

9. A process for producing a steel wire package for a multi-piece bedding set according to claim 8, characterized in that: The guide member has arc grooves at both left and right ends, and the side blocks match the arc grooves.

10. A process for producing a steel wire package for a multi-piece bedding set according to claim 9, characterized in that: A through hole is opened and closed in the middle of the follower cylinder for the steel wire to pass through, and scrapers are arranged in a ring shape inside the through hole.

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