CN110508713B - Hollowed-out dovetail clamp and processing method thereof - Google Patents
Hollowed-out dovetail clamp and processing method thereof Download PDFInfo
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- CN110508713B CN110508713B CN201910809849.6A CN201910809849A CN110508713B CN 110508713 B CN110508713 B CN 110508713B CN 201910809849 A CN201910809849 A CN 201910809849A CN 110508713 B CN110508713 B CN 110508713B
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- 238000003672 processing method Methods 0.000 title claims abstract description 11
- 238000003825 pressing Methods 0.000 claims abstract description 110
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 238000005452 bending Methods 0.000 claims abstract description 16
- 229910000975 Carbon steel Inorganic materials 0.000 claims abstract description 13
- 239000010962 carbon steel Substances 0.000 claims abstract description 13
- 238000004080 punching Methods 0.000 claims abstract description 12
- 238000005496 tempering Methods 0.000 claims abstract description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000009713 electroplating Methods 0.000 claims abstract description 6
- 150000003839 salts Chemical class 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 4
- 239000011651 chromium Substances 0.000 claims abstract description 4
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 239000010949 copper Substances 0.000 claims abstract description 4
- 238000005342 ion exchange Methods 0.000 claims abstract description 4
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 4
- 238000007747 plating Methods 0.000 claims abstract description 4
- 238000007493 shaping process Methods 0.000 claims abstract description 4
- 238000002791 soaking Methods 0.000 claims abstract description 4
- 239000011701 zinc Substances 0.000 claims abstract description 4
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 10
- 230000001154 acute effect Effects 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims 2
- 229910000639 Spring steel Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/36—Making other particular articles clips, clamps, or like fastening or attaching devices, e.g. for electric installation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F45/00—Wire-working in the manufacture of other particular articles
- B21F45/16—Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
- B42F1/00—Sheets temporarily attached together without perforating; Means therefor
- B42F1/006—Fasteners comprising two co-operating jaws closed by spring action and that can be manually opened, e.g. clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
- B42F1/00—Sheets temporarily attached together without perforating; Means therefor
- B42F1/02—Paper-clips or like fasteners
- B42F1/04—Paper-clips or like fasteners metallic
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/44—Methods of heating in heat-treatment baths
- C21D1/46—Salt baths
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to a processing method of a hollowed-out dovetail clamp, which comprises the following specific steps: providing a carbon steel wire and a steel sheet, bending the carbon steel wire through a bending machine to form an elastic clamp main body and a pressing handle, and punching the steel sheet through a punching machine to form a clamping piece; the two elastic clamp bodies and the two pressing handles are assembled on the two clamping pieces, and the assembly is completed to form a hollow dovetail clamp; placing the hollow dovetail clamp into tempering equipment and treating for 10min at 300 ℃; sending the tempered hollow dovetail clamp into a salt bath, soaking for 15-20 min, and taking out; putting the hollow dovetail clamp into electroplating equipment, plating zinc, chromium, nickel or copper on the surface of the hollow dovetail clamp in an ion exchange mode, and then drying in an oven at 160-170 ℃ for 40-60 min to form a layer of coating on the surface of the hollow dovetail clamp, and taking out; after the shaping treatment, the hollow dovetail clamp is packaged, so that the processing efficiency of the hollow dovetail clamp is greatly improved.
Description
Technical Field
The invention belongs to the technical field of hollowed-out dovetail clamps, and particularly relates to a hollowed-out dovetail clamp and a processing method thereof.
Background
The dovetail clamp is a common clamp type stationery, is mainly used for integrating a stack of files, is convenient to detach and recycle, is environment-friendly and durable, and is widely favored by people.
The existing dovetail clamp is composed of a spring leaf clamp body and two longer tail handle spring steel wire clamps, the clamp body is a one-step formed spring steel sheet, the tail handle is made of steel wires, one end connected with the clamp body is movable, the steel wire clamps can be placed flat after clamping files, file stacking is facilitated, and space is saved. However, the existing dovetail clamp has lower processing efficiency, and the spring piece clamp body is a one-step formed spring steel piece, so that the spring steel piece has high shielding rate on files, characters or titles on the files are easy to shield, and the shielding of the file titles brings inconvenience to searching files which are stacked.
Disclosure of Invention
The invention aims to provide a processing method of a hollowed-out dovetail clamp, and aims to solve the technical problem of low dovetail clamp processing efficiency in the prior art.
The invention also aims to provide a hollow dovetail clamp, which aims to solve the technical problems that a spring steel sheet of the hollow dovetail clamp in the prior art has high shielding rate on files and is inconvenient to use.
In order to achieve the above purpose, the embodiment of the invention provides a processing method of a hollow dovetail clamp, which comprises the following specific steps:
s100: providing a carbon steel wire, and bending the carbon steel wire through a bending machine to form an elastic clamp main body;
s200: providing a steel sheet, and punching the steel sheet through a punching machine to form a clamping piece;
s300: providing a carbon steel wire, and bending the carbon steel wire through a bending machine to form a pressing handle;
s400: the two elastic clamp bodies and the two pressing handles are assembled on the two clamping pieces, and the assembly is completed to form a hollow dovetail clamp;
s500: placing the hollow dovetail clamp into tempering equipment, and treating for 10min at 300 ℃ of the tempering equipment;
s600: sending the tempered hollow dovetail clamp into a salt bath, soaking for 15-20 min, and taking out the hollow dovetail clamp;
s700: putting the hollow dovetail clamp into electroplating equipment, plating zinc, chromium, nickel or copper on the surface of the hollow dovetail clamp in an ion exchange mode, and then drying in an oven at 160-170 ℃ for 40-60 min to form a layer of coating on the surface of the hollow dovetail clamp;
s800: and then taking out the hollow dovetail clamp, and packaging the hollow dovetail clamp after shaping treatment to obtain a finished product.
Optionally, step S700 further includes feeding the coated hollow dovetail clip into a paint spraying device for painting, so that different colors are attached to the surface of the hollow dovetail clip.
Optionally, step S300 further includes: providing a steel sheet, and punching the steel sheet through a punching machine to form a pressing piece; the pressing piece is assembled to the pressing handle.
The invention also provides a hollow dovetail clamp prepared according to the hollow dovetail clamp processing method, which comprises two symmetrically arranged elastic clamp bodies, two clamping pieces and two pressing handles;
the elastic clamp body comprises an elastic part; two ends of the elastic part are bent and extended to form two connecting parts, the two connecting parts are obliquely arranged with the elastic part, and the end parts of the two connecting parts are mutually close;
the ends of the two connecting parts of the elastic clamp main body are respectively arranged on the two clamping pieces, and the two clamping pieces are mutually abutted to form a clamping position;
one ends of the two pressing handles are respectively arranged on the two clamping pieces, and the pressing handles are abutted with the connecting parts when being close to the elastic clamp main body.
Optionally, the elastic portion is in a U shape or a U shape.
Optionally, the clamping piece comprises a clamping part, and one side of the clamping part is outwards bent to form two annular mounting parts; the end parts of the two connecting parts are bent and extended to form two first mounting parts, and the first mounting parts and the connecting parts are arranged at an acute angle; the first mounting parts of the two elastic clamp bodies are respectively inserted into one annular hole of one end, close to each other, of the two annular mounting parts of the clamping piece, and the other first mounting parts of the two elastic clamp bodies are respectively inserted into one annular hole of the other end, close to each other, of the two annular mounting parts of the clamping piece.
Optionally, the pressing handle comprises two handle parts, one ends of the two handle parts are connected, and the two handle parts are arranged in a V shape; the other ends of the two handle parts are bent inwards to extend to form two second mounting parts; the two second mounting parts are respectively inserted into annular holes at one end, far away from each other, of the two annular mounting parts of the clamping piece, and can rotate in the two annular mounting parts.
Optionally, the clamping piece comprises a clamping part, and one side of the clamping part is outwards bent to form two annular mounting parts; the end parts of the two connecting parts are bent and extended to form two first mounting parts, and the first mounting parts and the connecting parts are arranged at an acute angle; the first mounting parts of the two elastic clamp bodies are respectively inserted into the annular holes at one end of the clamping piece, which are mutually far away, and the other first mounting parts of the two elastic clamp bodies are respectively inserted into the annular holes at one end of the clamping piece, which are mutually far away.
Optionally, the pressing handle includes a pressing portion; the two ends of the pressing part are bent and extended with supporting parts; the end parts of the two supporting parts are outwards bent and extended to form two third mounting parts, and the third mounting parts are parallel to the pressing parts; the two third mounting parts are respectively inserted into annular holes at one end of the two annular mounting parts of the clamping piece, which are close to each other, and can rotate in the two annular mounting parts.
Optionally, the other side of the clamping part is bent outwards to form two annular fixing parts, and the two annular fixing parts respectively fix and wrap the connecting parts of the two elastic clamp bodies.
Optionally, the two pressing handles are provided with pressing pieces at one ends far away from the clamping pieces.
Optionally, the pressing element is arranged on one end facing away from the elastic clamp main body and is provided with a plurality of arc-shaped bulges, and the arc-shaped bulges are parallel to the clamping element.
Optionally, press the piece and keep away from the concave pressing groove that is equipped with of one end of elasticity clamp main part for the finger presses, it is protruding to arrange in the pressing groove and be equipped with many second arcs, just the second arcs protruding with the holder is parallel.
The processing method of the hollowed-out dovetail clamp provided by the embodiment of the invention has one of the following technical effects:
through the processing steps, the toughness and flexibility of the hollow dovetail clamp can be improved, so that the hollow dovetail clamp has high toughness and flexibility, cannot be easily broken and deformed, and has good rust resistance and corrosion resistance. And after the assembly of the hollow dovetail clamp is completed, the working procedures of tempering, salt bath, electroplating and the like are integrally carried out, so that the processing efficiency of the hollow dovetail clamp is improved, and the processing cost of the hollow dovetail clamp is reduced.
The hollow dovetail clamp provided by the embodiment of the invention has one of the following technical effects:
the elastic clamp main body and the two pressing handles are rod-shaped bending structures, are formed by integrally bending steel wires, have high shielding rate, greatly reduce shielding of the hollow dovetail clamp on characters or titles on a file, and are favorable for file identification.
The two pressing handles are respectively provided with a pressing piece at one end far away from the clamping piece, so that fingers of people can conveniently press the pressing piece, the pressure of the pressing handles on the fingers of the people is reduced, and the people can easily apply force to the pressing piece to open the clamping positions of the two clamping pieces.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a hollow dovetail clip according to an embodiment of the present invention.
Fig. 2 is a schematic view illustrating another state of the hollow dovetail clip according to the first embodiment of the present invention.
Fig. 3 is a left side view of fig. 1 in accordance with the present invention.
Fig. 4 is an exploded view of a hollow dovetail clip according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a hollow dovetail clip according to a second embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a hollow dovetail clip according to a third embodiment of the present invention.
Fig. 7 is a flowchart of a method for processing a hollowed-out dovetail clip according to an embodiment of the present invention.
Wherein, each reference sign in the figure:
the elastic clip comprises an elastic clip body 10, an elastic part 11, a connecting part 12, a first mounting part 13, a clamping piece 20, a clamping part 21, an annular mounting part 22, a clearance space 23, an annular fixing part 24, a pressing handle 30, a handle part 31, a second mounting part 32, a pressing part 33, a supporting part 34, a third mounting part 35, a pressing piece 40 and an arc-shaped protrusion 41.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the invention and should not be construed as limiting the invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present invention and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
In the embodiments of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present invention will be understood by those of ordinary skill in the art according to specific circumstances.
Referring to fig. 7, a processing method of a hollowed-out dovetail clamp comprises the following specific steps:
s100: a carbon steel wire is provided, and is bent by a bending machine to form an elastic clamp body 10.
S200: a steel sheet is provided which is punched by a punch to form the clamp 20.
S300: a carbon steel wire is provided and bent by a bending machine to form a pressing handle 30.
S400: the two elastic clamp bodies 10 and the two pressing handles 30 are assembled on the two clamping pieces 20, and the hollow dovetail clamp is formed after the assembly. Specifically, in the present embodiment, the two first mounting portions 13 of the two elastic clamp bodies 10 are inserted into the annular holes at one ends of the two annular mounting portions 22 of the two clamping members 20, and the two second mounting portions 32 of the two pressing handles 30 are inserted into the annular holes at one ends of the two annular mounting portions 22 of the two clamping members 10, which are far away from each other; or, the two first mounting portions 13 of the two elastic clamp bodies 10 are respectively inserted into the annular holes at one end of the two annular mounting portions 22 of the two clamping pieces 20, which are far away from each other, and then the two third mounting portions 35 of the two pressing handles 30 are respectively inserted into the annular holes at one end of the two annular mounting portions 22 of the two clamping pieces 20, which are close to each other; thus, the hollow dovetail clamp is formed after assembly.
S500: and (5) placing the hollow dovetail clamp into tempering equipment, and treating for 10min at 300 ℃ of the tempering equipment.
S600: and (3) sending the tempered hollow dovetail clamp into a salt bath, soaking for 15-20 min, and taking out the hollow dovetail clamp.
S700: and (3) placing the hollow dovetail clamp into electroplating equipment, plating zinc, chromium, nickel or copper on the surface of the hollow dovetail clamp in an ion exchange mode, and then baking in an oven at 160-170 ℃ for 40-60 min to form a layer of coating on the surface of the hollow dovetail clamp.
S800: and then taking out the hollow dovetail clamp, and packaging the hollow dovetail clamp after shaping treatment to obtain a finished product.
The processing method of the hollowed-out dovetail clamp provided by the embodiment of the invention has one of the following technical effects:
through the processing steps, the toughness and flexibility of the hollow dovetail clamp can be improved, so that the hollow dovetail clamp has high toughness and flexibility, cannot be easily broken and deformed, and has good rust resistance and corrosion resistance. And after the assembly of the hollow dovetail clamp is completed, the working procedures of tempering, salt bath, electroplating and the like are integrally carried out, so that the processing efficiency of the hollow dovetail clamp is improved, and the processing cost of the hollow dovetail clamp is reduced.
Further, step S300 further includes: providing a steel sheet, and punching the steel sheet by a punching machine to form a pressing piece 40; the pressing piece 40 is fitted to the pressing handle 30. The pressing piece 40 is convenient for fingers of people to press the pressing piece 30, reduces the pressure of the pressing handle 30 on the fingers of the people, and enhances the comfort of the use of the hollowed-out dovetail clamp.
Further, step S800 further includes feeding the coated hollow dovetail clip into a paint spraying device for painting, so that different colors are attached to the surface of the hollow dovetail clip. Wherein, the coating film that adheres to on the fretwork forked tail clamp surface is convenient for spray paint to the surface of fretwork forked tail clamp, placed various colour pigment in the paint spraying apparatus, can be according to customer's demand fretwork forked tail clamp is in different colours of spraying, forms the various fretwork forked tail clamp of colour, increases the pleasing to the eye of fretwork forked tail clamp to and more accord with consumer's demand.
The hollow dovetail clip manufactured according to the method for manufacturing the hollow dovetail clip, referring to fig. 1 and 2, comprises two symmetrically arranged elastic clip bodies 10, two clamping members 20, and two pressing handles 30.
Wherein the elastic clip body 10 includes an elastic portion 11. Two ends of the elastic portion 11 are bent to extend two connecting portions 12, the two connecting portions 12 are obliquely arranged with the elastic portion 11, and end portions of the two connecting portions 12 are close to each other.
The ends of the two connecting portions 12 of the elastic clamp body 10 are respectively mounted on the two clamping members 20, and the two clamping members 20 are mutually abutted to form a clamping position.
One ends of the two pressing handles 30 are respectively mounted on the two clamping members 20, and the pressing handles 30 abut against the connecting portion 12 when being close to the elastic clamp body 10.
Further, referring to fig. 3, the elastic portion 11 has a "U" shape or a "U" shape, so that the elastic portion 11 has better elasticity and supporting strength, and is not easily deformed.
Still further, referring to fig. 1 and 4, the clamping member 20 includes a clamping portion 21, and the clamping portion 21 has a long strip shape. One side of the clamping part 21 is outwards bent to form two annular mounting parts 22, and a clearance space 23 is formed between the two annular mounting parts 22. The ends of the two connecting portions 12 are bent to extend two first mounting portions 13, the first mounting portions 13 are disposed at an acute angle with the connecting portions 12, and the first mounting portions 13 are disposed perpendicular to the elastic portions 11. The first mounting portions 13 of the two elastic clamp bodies 10 are respectively inserted into the annular holes at one end of the two annular mounting portions 22 of the clamping piece 20, and the other first mounting portions 13 of the two elastic clamp bodies 10 are respectively inserted into the annular holes at one end of the two annular mounting portions 22 of the other clamping piece 20. The elastic clamp body 10 and the clamping member 20 have simple structure and convenient assembly.
Referring to fig. 1 and 4, the pressing handle 30 includes two handle portions 31, one ends of the two handle portions 31 are connected, and the two handle portions 31 are disposed in a V shape. The other ends of the two handle portions 31 are bent inward to form two second mounting portions 32. The two second mounting portions 32 are respectively inserted into the annular holes at one end of the two annular mounting portions 22 of the clamping member 20, which are far away from each other, and can rotate in the two annular mounting portions 22. The pressing handle 30 and the clamping member 20 have simple structure and convenient assembly. The pressing handle 30 can turn over relative to the clamping piece 20, after clamping, the file can rotate the pressing handle 30, so that the pressing handle 30 is attached to the file and is placed flat, the file is stacked conveniently, and space is saved.
Still further, referring to fig. 1 and 4, the other side of the clamping portion 21 is bent outwards to form two annular fixing portions 24, and the two annular fixing portions 24 respectively fix and wrap the connecting portions 12 of the two elastic clamp bodies 10, so that the two elastic clamp bodies 10 are firmly mounted on the clamping member 20, and the connection is firm and stable.
Preferably, the elastic clamp body 10, the clamping member 20 and the pressing handle 30 are all integrally formed, and the processing is convenient.
Preferably, the elastic clip body 10 and the pressing handle 30 are made of carbon steel wires, so that the elastic clip body 10 and the pressing handle 30 have high toughness and flexibility.
The hollow dovetail clamp provided by the embodiment of the invention has one of the following technical effects:
the elastic clamp body 10 and the two pressing handles 30 which are symmetrically arranged are of rod-shaped bending structures, are formed by integrally bending steel wires, have high shielding rate, greatly reduce shielding of the hollow dovetail clamp on characters or titles on a file, are favorable for file identification, and are attractive.
In another embodiment of the present invention, referring to fig. 6, the clamping member 20 of the hollow dovetail clamp includes a clamping portion 21, and one side of the clamping portion 21 is bent outwards to form two annular mounting portions 22. The ends of the two connecting portions 12 are bent to extend two first mounting portions 13, the first mounting portions 13 are disposed at an acute angle with the connecting portions 12, and the first mounting portions 13 are disposed perpendicular to the elastic portions 11. The first mounting portions 13 of the two elastic clamp bodies 10 are respectively inserted into the annular holes at the ends of the two annular mounting portions 22 of the clamping piece 20, which are far away from each other, and the other first mounting portions 13 of the two elastic clamp bodies 10 are respectively inserted into the annular holes at the ends of the two annular mounting portions 22 of the other clamping piece 20, which are far away from each other. The elastic clamp body 10 and the clamping member 20 have simple structure and convenient assembly
Wherein, referring to fig. 6, the pressing handle 30 includes a pressing portion 33. The pressing portion 33 has support portions 34 extending at both ends thereof. The ends of the two supporting parts 34 are bent outwards to form two third mounting parts 35, and the third mounting parts 35 are parallel to the pressing parts 33. The third mounting portions 35 are respectively inserted into annular holes at one end of the two annular mounting portions 22 of the clamping member 20, which are close to each other, and can rotate in the two annular mounting portions 22. The pressing handle 30 and the clamping member 20 have simple structure and convenient assembly. The pressing handle 30 can turn over relative to the clamping piece 20, after clamping, the file can rotate the pressing handle 30, so that the pressing handle 30 is attached to the file and is placed flat, the file is stacked conveniently, and space is saved.
In another embodiment of the present invention, referring to fig. 1-4, the two pressing handles 30 of the hollow dovetail clip are provided with a pressing piece 40 at one end far from the clamping piece 20; specifically, the pressing member 40 is circular, and is not easy to hang on the hand while being attractive. The pressing piece 40 is convenient for the fingers of people to press the pressing piece 40, the pressure of the pressing handle 30 to the fingers of the people is reduced, the comfort of the hollow dovetail clamp in use is enhanced, the fingers of the people can apply force to the pressing piece 40 easily, and the clamping positions of the two clamping pieces 20 are opened. The clamping positions of the two clamping pieces 13 are opened (i.e. the two clamping pieces 13 are far away from each other) by the two pressing handles 30, and the elastic parts 11 are elastically reset to drive the two clamping pieces 13 to be close to each other so as to clamp the document.
Further, the pressing member 40 is provided with a plurality of arc-shaped protrusions 41 arranged at an end facing away from the elastic clip body 10, and the arc-shaped protrusions 41 are parallel to the clip 20. The arc-shaped protrusions 41 can increase the friction between the fingers of the user and the surface of the pressing member 40, and prevent the fingers from slipping when the fingers of the user apply force to the pressing member 40.
The pressing member 40 may be fixedly attached to the pressing handle 30 by means of fastening, adhesion, welding, or the like, and the present embodiment is not limited thereto.
In another embodiment of the present invention, referring to fig. 5, the pressing member 40 of the hollow dovetail clip has a triangular shape. The pressing piece 40 is provided with a U-shaped mounting groove 44 at one end close to the pressing handle 20, and the U-shaped mounting groove 44 is matched with the arc-shaped part 36 formed at the joint of the two handle parts 31. The arc-shaped portion 36 is accommodated in the "U" shaped mounting groove 44 in an interference fit manner, so that the pressing member 40 is fixedly mounted on the arc-shaped portion 36 of the pressing handle 30, and the mounting manner is simple and easy to assemble. Further, the pressing piece 40 is concavely provided with a pressing groove 42 for pressing by a human finger at one end deviating from the elastic clamp body 10, the pressing groove 42 is convenient for the human finger to press the pressing groove 42 of the pressing piece 40, the pressure of the pressing handle 30 to the human finger is reduced, and the comfort of the hollow dovetail clamp in use is enhanced.
Further, referring to fig. 5, a plurality of second arc-shaped protrusions 43 are arranged in the pressing groove 42, and the second arc-shaped protrusions 43 are parallel to the clamping member 20, and the second arc-shaped protrusions 43 can increase friction between the fingers of the user and the pressing groove 42, so as to prevent the fingers from slipping when the fingers of the user apply force to the pressing member 40.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. For those skilled in the art, the architecture of the invention can be flexible and changeable without departing from the concept of the invention, and serial products can be derived. But a few simple derivatives or substitutions should be construed as falling within the scope of the invention as defined by the appended claims.
Claims (13)
1. The processing method of the hollow dovetail clamp is characterized by comprising the following specific steps of:
s100: providing a carbon steel wire, and bending the carbon steel wire through a bending machine to form an elastic clamp main body;
s200: providing a steel sheet, and punching the steel sheet through a punching machine to form a clamping piece;
s300: providing a carbon steel wire, and bending the carbon steel wire through a bending machine to form a pressing handle;
s400: the method comprises the steps of respectively inserting a first mounting part of two elastic clamp bodies into an annular hole at one end, close to each other, of two annular mounting parts of one clamping piece, inserting another first mounting part of the two elastic clamp bodies into an annular hole at one end, close to each other, of two annular mounting parts of the other clamping piece, inserting two second mounting parts of one pressing handle into an annular hole at one end, far away from each other, of two annular mounting parts of one clamping piece, and inserting two second mounting parts of the other pressing handle into an annular hole at one end, far away from each other, of two annular mounting parts of the other clamping piece; or, respectively inserting a first mounting part of the two elastic clamp bodies into an annular hole at one end of the two annular mounting parts of the clamping piece, which are far away from each other, respectively inserting another first mounting part of the two elastic clamp bodies into an annular hole at one end of the two annular mounting parts of the other clamping piece, which are far away from each other, respectively inserting two third mounting parts of a pressing handle into an annular hole at one end of the two annular mounting parts of the one clamping piece, which are close to each other, respectively inserting two third mounting parts of the other pressing handle into an annular hole at one end of the two annular mounting parts of the other clamping piece, which are close to each other, and completing assembly to form the hollow dovetail clamp;
s500: placing the hollow dovetail clamp into tempering equipment, and treating for 10min at 300 ℃ of the tempering equipment;
s600: sending the tempered hollow dovetail clamp into a salt bath, soaking for 15-20 min, and taking out the hollow dovetail clamp;
s700: putting the hollow dovetail clamp into electroplating equipment, plating zinc, chromium, nickel or copper on the surface of the hollow dovetail clamp in an ion exchange mode, and then drying in an oven at 160-170 ℃ for 40-60 min to form a layer of coating on the surface of the hollow dovetail clamp;
s800: and then taking out the hollow dovetail clamp, and packaging the hollow dovetail clamp after shaping treatment to obtain a finished product.
2. The method for machining the hollowed-out dovetail clamp according to claim 1, wherein the method comprises the following steps of: step S700 also comprises the step of feeding the coated hollow dovetail clamp into paint spraying equipment for paint spraying, so that different colors are attached to the surface of the hollow dovetail clamp.
3. The method for machining the hollowed-out dovetail clamp according to claim 1, wherein the method comprises the following steps of: step S300 further includes: providing a steel sheet, and punching the steel sheet through a punching machine to form a pressing piece; the pressing piece is assembled to the pressing handle.
4. A hollowed dovetail clip manufactured by the method for manufacturing a hollowed dovetail clip according to any one of claims 1 to 3, comprising two symmetrically arranged elastic clip bodies, two clamping pieces, and two pressing handles;
the elastic clamp body comprises an elastic part; two ends of the elastic part are bent and extended to form two connecting parts, the two connecting parts are obliquely arranged with the elastic part, and the end parts of the two connecting parts are mutually close;
the ends of the two connecting parts of the elastic clamp main body are respectively arranged on the two clamping pieces, and the two clamping pieces are mutually abutted to form a clamping position;
one end of each pressing handle is respectively arranged on each clamping piece, and each pressing handle is abutted against the connecting part when being close to the elastic clamp main body.
5. The hollowed-out dovetail clip according to claim 4, wherein: the elastic part is U-shaped or U-shaped.
6. The hollowed-out dovetail clip according to claim 4, wherein: the clamping piece comprises a clamping part, and one side of the clamping part is outwards bent to form two annular mounting parts; the end parts of the two connecting parts are bent and extended to form two first mounting parts, and the first mounting parts and the connecting parts are arranged at an acute angle; the first mounting parts of the two elastic clamp bodies are respectively inserted into one annular hole of one end, close to each other, of the two annular mounting parts of the clamping piece, and the other first mounting parts of the two elastic clamp bodies are respectively inserted into one annular hole of the other end, close to each other, of the two annular mounting parts of the clamping piece.
7. The hollowed-out dovetail clip according to claim 6, wherein: the pressing handle comprises two handle parts, one ends of the two handle parts are connected, and the two handle parts are arranged in a V shape; the other ends of the two handle parts are bent inwards to extend to form two second mounting parts; the two second mounting parts are respectively inserted into annular holes at one end, far away from each other, of the two annular mounting parts of the clamping piece, and can rotate in the two annular mounting parts.
8. The hollowed-out dovetail clip according to claim 4, wherein: the clamping piece comprises a clamping part, and one side of the clamping part is outwards bent to form two annular mounting parts; the end parts of the two connecting parts are bent and extended to form two first mounting parts, and the first mounting parts and the connecting parts are arranged at an acute angle; the first mounting parts of the two elastic clamp bodies are respectively inserted into the annular holes at one end of the clamping piece, which are mutually far away, and the other first mounting parts of the two elastic clamp bodies are respectively inserted into the annular holes at one end of the clamping piece, which are mutually far away.
9. The hollowed-out dovetail clip according to claim 8, wherein: the pressing handle comprises a pressing part; the two ends of the pressing part are bent and extended with supporting parts; the end parts of the two supporting parts are outwards bent and extended to form two third mounting parts, and the third mounting parts are parallel to the pressing parts; the two third mounting parts are respectively inserted into annular holes at one end of the two annular mounting parts of the clamping piece, which are close to each other, and can rotate in the two annular mounting parts.
10. The hollowed dovetail clip according to any of claims 6-9, wherein: the other side of the clamping part is outwards bent to form two annular fixing parts, and the two annular fixing parts respectively fix and wrap the connecting parts of the two elastic clamp bodies.
11. The hollowed-out dovetail clip according to claim 4, wherein: the two pressing handles are provided with pressing pieces at one ends far away from the clamping pieces.
12. The hollowed-out dovetail clip according to claim 11, wherein: the pressing piece is provided with a plurality of arc-shaped bulges at one end deviating from the elastic clamp main body in an arrangement mode, and the arc-shaped bulges are parallel to the clamping piece.
13. The hollowed-out dovetail clip according to claim 11, wherein: the pressing piece is concavely provided with a pressing groove for pressing by a human finger at one end deviating from the elastic clamp main body, a plurality of second arc-shaped bulges are arranged in the pressing groove, and the second arc-shaped bulges are parallel to the clamping piece.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910809849.6A CN110508713B (en) | 2019-08-29 | 2019-08-29 | Hollowed-out dovetail clamp and processing method thereof |
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| CN201910809849.6A CN110508713B (en) | 2019-08-29 | 2019-08-29 | Hollowed-out dovetail clamp and processing method thereof |
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| CN110508713B true CN110508713B (en) | 2024-04-16 |
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| CN111826702B (en) * | 2020-07-21 | 2021-03-23 | 宁海县爱达文具厂 | Long-tail ticket-holder colour electrophoretic paint treatment process and its equipment |
| CN114453891B (en) * | 2022-01-13 | 2022-11-01 | 武汉轻工大学 | Continuous forming die for binder clip |
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| US6374463B1 (en) * | 2000-10-04 | 2002-04-23 | Kenneth J. Kaufman | Corner clip |
| CN201483928U (en) * | 2009-07-16 | 2010-05-26 | 帅正强 | Conveniently binding long tail clip |
| TWM481830U (en) * | 2014-03-17 | 2014-07-11 | Weng-Cai Wang | Adjustable binder clip |
| CN204123831U (en) * | 2014-09-23 | 2015-01-28 | 王大源 | A kind of binder clip |
| TWM562722U (en) * | 2017-12-19 | 2018-07-01 | 東群聯合國際股份有限公司 | Steel wire fixture structure with pressure-bearing plate |
| CN109227038A (en) * | 2018-09-03 | 2019-01-18 | 安徽瑞福文具有限公司 | A kind of high tenacity, high-intensitive manganese steel dovetail clip and its production method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6374463B1 (en) * | 2000-10-04 | 2002-04-23 | Kenneth J. Kaufman | Corner clip |
| CN201483928U (en) * | 2009-07-16 | 2010-05-26 | 帅正强 | Conveniently binding long tail clip |
| TWM481830U (en) * | 2014-03-17 | 2014-07-11 | Weng-Cai Wang | Adjustable binder clip |
| CN204123831U (en) * | 2014-09-23 | 2015-01-28 | 王大源 | A kind of binder clip |
| TWM562722U (en) * | 2017-12-19 | 2018-07-01 | 東群聯合國際股份有限公司 | Steel wire fixture structure with pressure-bearing plate |
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| CN110508713A (en) | 2019-11-29 |
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