CN113246634B - Environment-friendly file folder and production process thereof - Google Patents
Environment-friendly file folder and production process thereof Download PDFInfo
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- CN113246634B CN113246634B CN202110467801.9A CN202110467801A CN113246634B CN 113246634 B CN113246634 B CN 113246634B CN 202110467801 A CN202110467801 A CN 202110467801A CN 113246634 B CN113246634 B CN 113246634B
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- folder
- blank
- retaining ring
- sheet
- die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
- B42F13/00—Filing appliances with means for engaging perforations or slots
- B42F13/16—Filing appliances with means for engaging perforations or slots with claws or rings
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Abstract
The invention discloses a production process of an environment-friendly folder, which comprises the following steps: s1: processing a single-color sheet or a double-color sheet by adopting a single-color injection molding machine or a double-color injection molding machine to obtain a sheet blank; s2: equally cutting the sheet blank by a cutting device to obtain a plurality of blank file folder parts; s3: forming a plurality of connecting parts on the middle part of the blank of the folder through a die blanking process to form a plurality of retaining rings; s4: punching a plurality of T-shaped notches on one side of the inner pages by using a punching die, wherein the T-shaped notches are connected with the inner pages, and the inner pages are arranged on the retaining rings in a penetrating manner through the T-shaped notches to obtain a finished file folder product; the folder is made of pure plastics through the integral molding of the retaining ring, the front cover and the back cover, no adhesive exists in the folder, the folder can be directly classified into a recyclable box, the time and the labor are saved, the production efficiency can be improved by 10-15 times compared with the prior art, and the recycling utilization rate can be improved by 5-10 times.
Description
Technical Field
The invention relates to the field of data folders, in particular to an environment-friendly data folder and a production process thereof.
Background
The folder is used for containing paper and is convenient for a user to arrange stationery made of paper materials; the snap rings in the existing market file folders are generally made of metal, acrylic and the like, the snap rings made of the materials are fixed by iron nails, and the multiple materials are mixed for use, so that the regions are difficult to divide during recycling and classification; in the production line of the file folder, in order to improve the production efficiency, generally, only the plates with standard sizes, such as plates with B5, A3 and A4 sizes, are produced in large quantities, and products with non-standard sizes, such as architectural drawings, engineering drawings, oil paintings and the like, need to be provided with a new production line, so that the cost investment is high, the efficiency is low, and the adjustment cannot be carried out according to the actual requirements of customers.
Disclosure of Invention
The invention aims to provide a production process of an environment-friendly folder, which has the advantages of environmental protection, high production efficiency, easy classification treatment and capability of meeting more market demands.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the production process of the environment-friendly file folder comprises the following steps:
s1: processing a single-color sheet or a double-color sheet by adopting a single-color injection molding machine or a double-color injection molding machine to obtain a sheet blank;
s2: equally cutting the sheet blank by a cutting device to obtain a plurality of blank file folder parts;
s3: forming a plurality of connecting parts on the middle part of the blank of the folder through a die blanking process to form a plurality of retaining rings;
s4: punching a plurality of T-shaped notches on one side of a plurality of inner leaves by using a punching die, wherein the T-shaped notches are connected with the inner leaves, and the inner leaves are arranged on a plurality of retaining rings in a penetrating manner through the T-shaped notches to obtain a finished file folder;
in the step S3, the plurality of connecting portions are formed by a die blanking process, which specifically includes: when the dies are closed, the connecting parts in partial areas are punched and stretched by the annular inserts arranged on the male die at equal intervals, so that the connecting parts in the partial areas are stretched into finished retaining rings;
the hydraulic system for driving the master mold has a pressure parameter of 120T and needs to be kept in a mold clamping state for 5 seconds or more during stretching.
Preferably, the length of the sheet blank in step S2 is 370-630 mm, and the width of the sheet blank is 270-440 mm.
More preferably, the length of the sheet blank in step S2 is 380 to 620 mm, and the width of the sheet blank is 280 to 430 mm.
The utility model provides an environmental protection data folder, is made by the production technology production of environmental protection data folder, environmental protection data folder includes front cover, back cover and buckle to and can dismantle a plurality of interior pages of connection on the buckle, front cover, back cover and buckle are made by same slab embryo spare, the middle part of slab embryo spare is located to the buckle, the front cover is the symmetry setting as the symmetry axis with the axis of buckle with the back cover, the front cover passes through connecting portion with the back cover and is connected, the buckle is drawn by the stretching of partial region connecting portion blanking for the connecting portion of connecting are located between adjacent two sets of buckles.
More preferably, step S3: the middle part of the blank of the file folder is formed with a plurality of connecting parts through a rolling process to form a plurality of retaining rings.
Further preferably, in step S3, the connecting portions are formed by a rolling process, and the rolling process specifically includes:
a1: the connecting parts in the partial areas are cut at equal intervals, so that a plurality of groups of welding parts which are arranged at equal intervals are formed in the middle of the blank of the file folder, the welding parts are positioned between two adjacent groups of connecting parts, and a single group of welding parts comprises a pair of welding sheets positioned on the left side and the right side;
a2: meanwhile, two sides of the blank of the file folder are pushed to move towards the center seam, a pair of welding sheets at the left side and the right side are overlapped, the connecting parts are deformed and arched towards the middle part along with the two sides of the blank of the file folder, and a semi-finished retaining ring is extruded;
a3: and (3) shaping the semi-finished retaining ring by using a jig, placing the blank of the data folder into an ultrasonic mould for spot welding, sequentially carrying out spot welding on a single group of welding parts from top to bottom, and forming the finished retaining ring after the welding pieces on the left side and the right side are overlapped and welded.
Preferably, the rolling process is processed by a rolling mill, a roller of the rolling mill is provided with a plurality of hobs, and the hobs are arranged corresponding to cutting positions of the welding parts.
Further preferably, the roll-forming process is processed by laser cutting equipment.
Further preferably, the power of the ultrasonic wave in the step A3 in the rolling process is 4300-4500 watts, and the welding time of the single-group welding part is 0.5-2 seconds.
Further preferably, in the rolling process, the power of the ultrasonic wave in the step A3 is 4350-4450 watts, and the welding time of the single-group welding part is 1-1.5 seconds
Further preferably, the length of the welding piece in the step A1 is 20-30 mm, the width of the welding piece is 4-10 mm, and the diameter of the retaining ring in the step A3 is 20-30 mm.
Further preferably, the length of the welding piece in the step A1 is 22-28 mm, the width of the welding piece is 6-8 mm, and the diameter of the retaining ring in the step A3 is 22-28 mm.
The utility model provides an environmental protection data folder, is made by the production technology production of environmental protection data folder, environmental protection data folder includes front cover, back cover and buckle to and can dismantle a plurality of interior pages of connection on the buckle, front cover, back cover and buckle are made by same slab embryo spare, the middle part of slab embryo spare is located to the buckle, the front cover is the symmetry setting as the symmetry axis with the axis of buckle with the back cover, the front cover passes through the welded part connection after the welding with the back cover, the buckle is out of shape by connecting portion hunch and reachs for the welded part of connection is located between two sets of adjacent buckles.
The invention has the beneficial effects that: the folder is made of pure plastic by integrally forming the retaining ring, the front cover and the back cover, no adhesive exists in the product, the folder can be directly classified into a recyclable box, and time and labor are saved; the production efficiency can be improved by 10-15 times compared with the prior art, and the recycling utilization rate can be improved by 5-10 times.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
In this embodiment, a production process of an environment-friendly folder includes the following steps:
s1: processing a single-color sheet or a double-color sheet by adopting a single-color injection molding machine or a double-color injection molding machine to obtain a sheet blank;
s2: equally cutting the sheet blank by a cutting device to obtain a plurality of blank file folder parts;
s3: forming a plurality of connecting parts on the middle part of the blank of the file folder by a die blanking process to form a plurality of retaining rings;
s4: punching a plurality of T-shaped notches on one side of the inner pages by using a punching die, wherein the T-shaped notches are connected with the inner pages, and the inner pages are arranged on the retaining rings in a penetrating manner through the T-shaped notches to obtain a finished file folder product;
in the step S3, the plurality of connecting portions are formed by a die blanking process, which specifically includes: when the dies are closed, the connecting parts in partial areas are punched and stretched by the annular inserts arranged on the male die at equal intervals, so that the connecting parts in the partial areas are stretched into finished retaining rings;
the hydraulic system for driving the master mold has a pressure parameter of 120T and needs to be kept in a mold clamping state for 5 seconds or more during stretching.
In this embodiment, after the connecting portion is stretched and deformed, the retaining time of 5 seconds or more is favorable for the retaining ring to be shaped, so that the connecting portion in a partial region is stretched into a finished retaining ring, and the diameter of the shaped retaining ring is 25 mm.
Preferably, the length of the sheet blank in step S2 is 370-630 mm, and the width of the sheet blank is 270-440 mm.
In this embodiment, the two-color plate pieces may be distributed bilaterally symmetrically, and are used for manufacturing the front cover and the back cover, or may be distributed irregularly in two colors, and the two colors may be presented on the front cover and the back cover simultaneously.
More preferably, the length of the sheet blank in step S2 is 380 to 620 mm, and the width of the sheet blank is 280 to 430 mm. In this embodiment, the length of the sheet blank in step S2 is 370 mm, and the width of the sheet blank is 270 mm; it can be used for assembling a plurality of inner pages with standard paper size B5 (176mm 250mm).
This embodiment still provides an environmental protection data folder, is made by the production technology production of environmental protection data folder, environmental protection data folder includes front cover, back cover and buckle to and can dismantle a plurality of interior pages of connection on the buckle, front cover, back cover and buckle are made by same slab embryo spare, the middle part of slab embryo spare is located to the buckle, the front cover is the symmetry setting as the symmetry axis with the axis of buckle with the back cover, the front cover passes through connecting portion with the back cover and is connected, the buckle is stretched by the blanking of partial region connecting portion and reachs for the connecting portion of connecting are located between adjacent two sets of buckles.
In this embodiment, the mold core can be replaced, so that the arc surface, the plane and the like of the connecting portion for connection are formed, specifically, the arc surface is formed on the male mold, the insert for stretching the retaining ring is arranged on the arc surface of the male mold, the female mold is processed corresponding to the shape of the surface of the male mold, and then the data folder with the connecting portion being the arc surface can be obtained, and the diversity of products can be realized.
Example 2
The present example differs from example 1 in that:
in this embodiment, step S3: the middle part of the blank of the file folder is formed with a plurality of connecting parts through a rolling process to form a plurality of retaining rings.
In this embodiment, in the step S3, the connecting portions are formed by a rolling process, and the rolling process specifically includes:
a1: the connecting parts in the partial areas are cut at equal intervals, so that a plurality of groups of welding parts which are arranged at equal intervals are formed in the middle of the blank of the file folder, the welding parts are positioned between two adjacent groups of connecting parts, and a single group of welding parts comprises a pair of welding sheets positioned on the left side and the right side;
a2: meanwhile, the two sides of the blank of the file folder are pushed to move towards the direction of the center joint, a pair of welding sheets at the left side and the right side are overlapped, the connecting part is deformed and arched along with the two sides of the blank of the file folder to the middle part, and a semi-finished retaining ring is extruded;
a3: and (3) shaping the semi-finished retaining ring by using a jig, placing the blank of the data folder into an ultrasonic mould for spot welding, sequentially carrying out spot welding on a single group of welding parts from top to bottom, and forming the finished retaining ring after the welding pieces on the left side and the right side are overlapped and welded.
In the embodiment, the rolling process is obtained by processing a rolling mill, a roller of the rolling mill is provided with a plurality of hobs, and the hobs are arranged corresponding to cutting positions of a plurality of welding parts; and cutting the connecting part of the partial area to obtain a welding group comprising a pair of welding sheets.
In the embodiment, the rolling process is obtained by processing with laser cutting equipment; regional connecting portion of accessible PLC control cutting part, cutting speed is fast, and the incision levels and is favorable to a pair of welding piece butt fusion.
Further preferably, the power of the ultrasonic wave in the step A3 in the rolling process is 4300-4500 watts, and the welding time of the single-group welding part is 0.5-2 seconds. In this embodiment, the power of the ultrasonic wave in step A3 in the rolling process is 4300 watts, and the welding time of the single group of welding portions is 1 second.
In this embodiment, the power of the ultrasonic wave in step A3 in the rolling process is 4350-4450 watts, and the welding time of the single group of welding parts is 1-1.5 seconds.
In this embodiment, the length of the welding tab in step A1 is 20-30 mm, the width of the welding tab is 4-10 mm, and the diameter of the retaining ring in step A3 is 20-30 mm.
Further preferably, the length of the welding piece in the step A1 is 22-28 mm, the width of the welding piece is 6-8 mm, and the diameter of the retaining ring in the step A3 is 22-28 mm. In this embodiment, the length of the welding piece in step A1 is 20 mm, the width of the welding piece is 4 mm, the diameter of the retaining ring in step A3 is 20 mm, after molding, the thickness of the data folder is 20 mm corresponding to the length of the welding piece, and the diameter of the retaining ring is 20 mm for installing a plurality of inner pages, and the inner pages can be turned over on the retaining ring.
This embodiment still provides an environmental protection data folder, makes by the production technology production of environmental protection data folder, environmental protection data folder includes front cover, back cover and buckle to and can dismantle a plurality of interior pages of connection on the buckle, front cover, back cover and buckle are made by same slab embryo spare, the middle part of slab embryo spare is located to the buckle, the front cover is the symmetry setting with the axis of back cover with the buckle as the symmetry axis, the front cover is connected through the welding part after the welding with the back cover, the buckle is out of shape by connecting portion hunch-up and reachs for the welding part of connecting is located between two sets of adjacent buckles.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (3)
1. The production process of the environment-friendly file folder is characterized by comprising the following steps of:
s1: processing a single-color sheet or a double-color sheet by adopting a single-color injection molding machine or a double-color injection molding machine to obtain a sheet blank;
s2: equally cutting the sheet blank by a cutting device to obtain a plurality of folder blanks;
s3: forming a plurality of connecting parts on the middle part of the blank of the folder through a die blanking process to form a plurality of retaining rings;
s4: punching a plurality of T-shaped notches on one side of the inner pages by using a punching die, wherein the T-shaped notches are connected with the inner pages, and the inner pages are arranged on the retaining rings in a penetrating manner through the T-shaped notches to obtain a finished file folder product;
in the step S3, the plurality of connecting portions are formed by a die blanking process, which specifically includes: when the die is closed, the connecting parts in partial areas are punched and stretched through a plurality of annular inserts which are arranged on the male die at equal intervals, so that the connecting parts in the partial areas are stretched into the retaining rings of finished products;
an oil pressure system for driving the female die, the pressure parameter is 120T, and the clamping state needs to be kept for more than 5 seconds during stretching。
2. The process for producing an environmental-friendly folder as set forth in claim 1, wherein the length of the sheet blank in the step S2 is 370-630 mm, and the width of the sheet blank is 270-440 mm.
3. An environment-friendly folder, characterized in that, made by the production process of an environment-friendly folder as claimed in claim 1, the environment-friendly folder comprises a front cover, a back cover and a retaining ring, and a plurality of inner pages detachably connected to the retaining ring, the front cover, the back cover and the retaining ring are made of the same sheet blank, the retaining ring is arranged in the middle of the sheet blank, the front cover and the back cover are symmetrically arranged by taking the axis of the retaining ring as the symmetry axis, the front cover and the back cover are connected through a connecting part, the retaining ring is obtained by punching and stretching a part of the connecting part, and the connecting part for connection is located between two adjacent retaining rings.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110467801.9A CN113246634B (en) | 2021-04-28 | 2021-04-28 | Environment-friendly file folder and production process thereof |
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Application Number | Priority Date | Filing Date | Title |
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CN202110467801.9A CN113246634B (en) | 2021-04-28 | 2021-04-28 | Environment-friendly file folder and production process thereof |
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CN113246634A CN113246634A (en) | 2021-08-13 |
CN113246634B true CN113246634B (en) | 2022-10-04 |
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CN202110467801.9A Active CN113246634B (en) | 2021-04-28 | 2021-04-28 | Environment-friendly file folder and production process thereof |
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Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2614912Y (en) * | 2003-05-16 | 2004-05-12 | 苏恳瑞 | Filing structure for loose-leaf binder |
US7731441B2 (en) * | 2006-09-27 | 2010-06-08 | World Wide Stationery Mfg. Co., Ltd. | Ring binder mechanism |
CN203110597U (en) * | 2012-12-30 | 2013-08-07 | 苏权良 | Disc buckle type folder |
CN104108258B (en) * | 2013-04-16 | 2017-07-18 | 国誉株式会社 | Binder and file |
CN207433081U (en) * | 2017-11-06 | 2018-06-01 | 松品塑胶(深圳)有限公司 | A kind of binder |
CN209534533U (en) * | 2019-01-10 | 2019-10-25 | 百花(福建)文具有限公司 | A kind of multi-layer co-extruded PP foaming thermoplastic shaping file |
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- 2021-04-28 CN CN202110467801.9A patent/CN113246634B/en active Active
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