CN112024623A - Flat copper wire pulling device for FFC (flexible flat cable) wire arrangement - Google Patents
Flat copper wire pulling device for FFC (flexible flat cable) wire arrangement Download PDFInfo
- Publication number
- CN112024623A CN112024623A CN202010954979.1A CN202010954979A CN112024623A CN 112024623 A CN112024623 A CN 112024623A CN 202010954979 A CN202010954979 A CN 202010954979A CN 112024623 A CN112024623 A CN 112024623A
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- China
- Prior art keywords
- wire drawing
- wire
- metal conductor
- wheel sets
- ffc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
- B21C1/04—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums with two or more dies operating in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C9/00—Cooling, heating or lubricating drawing material
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- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
Abstract
The invention discloses a flat copper wire pulling device for FFC (flexible flat cable) wiring, which comprises a wire drawing rack and a plurality of groups of wire drawing wheel sets, wherein all the wire drawing wheel sets are arranged in the wire drawing rack; each group of wire drawing wheel sets comprises two wire drawing wheels, a wire drawing eye die is arranged between the two wire drawing wheels of each group of wire drawing wheel sets, each wire drawing eye die is provided with a through hole for drawing a metal conductor, the metal conductor sequentially passes through all the wire drawing wheel sets, the metal conductor in each group of wire drawing wheel sets sequentially passes through one wire drawing wheel, one wire drawing eye die and the other wire drawing wheel, and the diameters of the through holes of the wire drawing eye dies of the wire drawing wheel sets are sequentially reduced according to the sequence of the metal conductor; and a cooling device is arranged above the wire drawing eye die and is used for cooling the metal conductor by using cooling liquid. The flat copper wire pulling device for the FFC flat cable solves the problems that the heat generated during wire pulling is too large and a lead is easily broken.
Description
Technical Field
The invention relates to the technical field of FFC (flexible flat cable) processing equipment, in particular to a flat copper wire pulling device for FFC.
Background
An FFC Flexible Flat Cable (FFC) is a novel data cable formed by laminating a PET insulating material and an extremely thin tinned flat copper wire through an automatic equipment production line. The diameter of the existing wire does not reach the standard of producing FFC flat cables, so the wire needs to be stretched before being rolled, and the diameter of the wire is reduced to meet the production standard. However, the conventional wire drawing device has a problem that the generated heat is too large and the wire is easily broken when the wire is drawn.
Disclosure of Invention
In view of the above-mentioned drawbacks, an object of the present invention is to provide a flat copper wire pulling device for FFC cables, which solves the problems that the heat generated during pulling is too large and the wires are easily broken.
In order to achieve the purpose, the invention adopts the following technical scheme: a flat copper wire pulling device for FFC (flexible flat cable) wiring comprises a wire drawing rack and a plurality of groups of wire drawing wheel sets, wherein all the wire drawing wheel sets are arranged in the wire drawing rack;
each group of wire drawing wheel sets comprises two wire drawing wheels, a wire drawing eye die is arranged between the two wire drawing wheels of each group of wire drawing wheel sets, each wire drawing eye die is provided with a through hole for drawing a metal conductor, the metal conductor sequentially passes through all the wire drawing wheel sets, the metal conductor in each group of wire drawing wheel sets sequentially passes through one wire drawing wheel, one wire drawing eye die and the other wire drawing wheel, and the diameters of the through holes of the wire drawing eye dies of the wire drawing wheel sets are sequentially reduced according to the sequence of the metal conductor;
and a cooling device is arranged above the wire drawing eye die and is used for cooling the metal conductor by using cooling liquid.
Preferably, the axes of the wire drawing wheels of different wire drawing wheel sets positioned on the same side of the wire drawing eye die are positioned on the same straight line and form a coaxial wire drawing wheel set, and the diameters of all the wire drawing wheels of the same coaxial wire drawing wheel set are sequentially increased towards the reduction direction of the diameter of the through hole.
Preferably, the diameters of the two wire drawing wheels of the same wire drawing wheel set are equal, and the horizontal line where the through hole of the wire drawing eye die is located is tangent to the two wire drawing wheels of the same wire drawing wheel set.
Preferably, all the wire drawing wheels are driven to rotate by a motor.
Preferably, the cooling device comprises a plurality of cooling pipes, and the output ports of the cooling pipes face the wire drawing eye die.
Preferably, the wire drawing frame is provided with a wire drawing chamber and a cooling liquid circulation chamber, all the wire drawing wheel sets and the cooling device are arranged in the wire drawing chamber, the cooling liquid circulation chamber is communicated with the bottom of the wire drawing chamber through a pipeline, the cooling pipe is communicated with the cooling liquid circulation chamber, and the cooling liquid circulation chamber is used for providing cooling liquid for the cooling pipe and recycling the cooling liquid of the wire drawing chamber.
Preferably, the wire drawing device is further provided with a wire drawing and guiding wheel, and the wire drawing and guiding wheel is arranged at the wire inlet of the wire drawing rack.
The invention has the beneficial effects that: the flat copper wire pulling device for FFC (flexible flat cable) wires is characterized in that the metal conductor is gradually thinned and elongated through the plurality of wire drawing eye dies, and the metal conductor is cooled in the wire drawing process, so that the problem that the metal conductor is easily broken due to overlarge heat during wire drawing is solved.
The flat copper wire pulling device for the FFC flat cable can be gradually thinned and elongated by the structure of the through holes with the diameters being sequentially reduced, and can be formed after passing through all the wire drawing eye dies.
When the flat copper wire pulling device for the FFC flat cable is used for pulling the metal conductor, the metal conductor can continuously generate heat, and the cooling liquid has the effect of cooling the metal conductor; the cooling liquid can not be discharged immediately, so that the wire drawing wheel, the wire drawing eye die and the metal conductor are soaked in the cooling liquid, and the cooling effect is further improved.
Drawings
FIG. 1 is a schematic block diagram of one embodiment of the present invention;
FIG. 2 is a schematic structural diagram of one embodiment of the present invention;
FIG. 3 is an enlarged view of the portion circled by the dotted line A in the embodiment of FIG. 2;
FIG. 4 is an enlarged view of the portion encircled by the dotted circle B in the embodiment shown in FIG. 2;
wherein: a wire drawing wheel 1; a wire drawing eye die 2; a coaxial wire drawing wheel group 3; a cooling device 4; a wire drawing frame 5; a wire drawing and guiding wheel 6; a metal conductor 7; a through-hole 21; the tube 41 is cooled.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-4, a flat copper wire pulling device for FFC cable comprises a wire drawing rack 5 and a plurality of sets of wire drawing wheel sets, wherein all the wire drawing wheel sets are arranged in the wire drawing rack 5;
each group of wire drawing wheel sets comprises two wire drawing wheels 1, a wire drawing eye die 2 is arranged between the two wire drawing wheels 1 of each group of wire drawing wheel sets, the wire drawing eye die 2 is provided with a through hole 21 for drawing a metal conductor 7, the metal conductor 7 sequentially passes through all the wire drawing wheel sets, the metal conductor 7 in each group of wire drawing wheel sets sequentially passes through one wire drawing wheel 1, the wire drawing eye die 2 and the other wire drawing wheel 1, and the diameters of the through holes 21 of the wire drawing eye dies 2 of the wire drawing wheel sets are sequentially reduced according to the sequence of the metal conductor 7;
and a cooling device 4 is arranged above the wire drawing eye die 2, and the cooling device 4 utilizes cooling liquid to cool the metal conductor 7.
The flat copper wire pulling device for FFC (flexible flat cable) wires is characterized in that the metal conductor 7 is gradually thinned and elongated through the plurality of wire drawing eye dies 2, and the metal conductor 7 is cooled in the wire drawing process, so that the problem that the metal conductor 7 is easily broken due to overlarge heat during wire drawing is solved.
The structure of the through hole 21 with the diameters being reduced in sequence of the flat copper wire pulling device for FFC (flexible flat cable) can gradually thin and elongate the metal conductor 7, and the metal conductor can be formed after passing through all the wire drawing eye dies 2. The number of the wire drawing eye dies 2 is preferably 12-16, and the diameter range of the through holes 21 is preferably 0.116-0.55 mm.
When the flat copper wire pulling device for FFC flat cables pulls the metal conductor 7, the metal conductor 7 can continuously generate heat, and the cooling liquid has the effect of cooling the metal conductor 7; the cooling liquid is not immediately discharged, so that the wire drawing wheel 1, the wire drawing eye die 2 and the metal conductor 7 are soaked in the cooling liquid, and the cooling effect is further improved. The cooling liquid is preferably a wire drawing liquid, the mass concentration of the cooling liquid is 2-4%, and the wire drawing liquid is replaced every 4 months.
As shown in fig. 4, the axes of the wire drawing wheels 1 of different wire drawing wheel sets located on the same side of the wire drawing eye die 2 are located on the same straight line and form a coaxial wire drawing wheel set 3, and the diameters of all the wire drawing wheels 1 of the same coaxial wire drawing wheel set 3 are sequentially increased toward the decreasing direction of the diameter of the through hole 21.
The metal conductor 7 is further elongated after passing through one group of wire drawing wheel sets, so that the diameters of the wire drawing wheels 1 of the same group of coaxial wire drawing wheel sets 3 are sequentially increased, and after the metal conductor 7 is elongated, the rotating speed of each wire drawing wheel 1 of the same group of coaxial wire drawing wheel sets 3 can be kept synchronous, so that each wire drawing wheel 1 does not need to be controlled independently, and the production cost is reduced.
Preferably, the diameters of the two wire drawing wheels 1 of the same wire drawing wheel set are equal, and the horizontal line of the through hole 21 of the wire drawing eye die 2 is tangent to the two wire drawing wheels 1 of the same wire drawing wheel set.
The design can ensure that the stress of the two ends of the metal conductor 7 penetrating through the wire drawing eye die 2 is the same, avoid the metal conductor 7 from being broken due to uneven stress, ensure that the metal conductor 7 is on the same horizontal line, and avoid uneven wire drawing caused by the deviation of the metal conductor 7.
Preferably, all the drawing wheels 1 are driven to rotate by a motor.
The design ensures that the rotating speeds of all the wire drawing wheels 1 are kept consistent when the wire drawing wheels rotate, so that the stress of two ends of the metal conductor 7 is equal when the wire is drawn.
As shown in fig. 2, the temperature reducing device 4 includes a plurality of cooling pipes 41, and an output port of the cooling pipe 41 faces the wire drawing die 2.
In the process of pulling the metal conductor 7, the wire pulling device 2 continuously sprays cooling liquid to the wire drawing eye die 24 through the cooling pipe 41 so as to achieve the effect of cooling the metal conductor 7.
Preferably, the wire drawing frame 5 is provided with a wire drawing chamber and a cooling liquid circulation chamber, all the wire drawing wheel sets and the cooling device 4 are arranged in the wire drawing chamber, the cooling liquid circulation chamber is communicated with the bottom of the wire drawing chamber through a pipeline, the cooling pipe 41 is communicated with the cooling liquid circulation chamber, and the cooling liquid circulation chamber is used for providing cooling liquid for the cooling pipe 41 and recycling the cooling liquid of the wire drawing chamber.
The wire drawing chamber, the cooling liquid circulation chamber and the cooling pipe 41 form a circulation path of the cooling liquid, so that the cooling liquid can be saved and the effect of continuously and uninterruptedly spraying the cooling liquid to the wire drawing eye die 2 can be achieved.
Preferably, the wire drawing device 2 is further provided with a wire drawing and guiding wheel 6, and the wire drawing and guiding wheel 6 is arranged at the wire inlet of the wire drawing machine frame 5.
The wire drawing and guiding wheel 6 can ensure that the position of the metal conductor 7 cannot deviate when entering the wire drawing rack 5, so that the wire drawing success rate is improved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The utility model provides a flat copper line draw off mechanism that FFC winding displacement was used which characterized in that: the wire drawing machine comprises a wire drawing machine frame and a plurality of groups of wire drawing wheel sets, wherein all the wire drawing wheel sets are arranged in the wire drawing machine frame;
each group of wire drawing wheel sets comprises two wire drawing wheels, a wire drawing eye die is arranged between the two wire drawing wheels of each group of wire drawing wheel sets, each wire drawing eye die is provided with a through hole for drawing a metal conductor, the metal conductor sequentially passes through all the wire drawing wheel sets, the metal conductor in each group of wire drawing wheel sets sequentially passes through one wire drawing wheel, one wire drawing eye die and the other wire drawing wheel, and the diameters of the through holes of the wire drawing eye dies of the wire drawing wheel sets are sequentially reduced according to the sequence of the metal conductor;
and a cooling device is arranged above the wire drawing eye die and is used for cooling the metal conductor by using cooling liquid.
2. The flat copper wire pulling device for FFC flat cables of claim 1, wherein: the wire drawing wheels of different wire drawing wheel sets positioned on the same side of the wire drawing eye die are positioned on the same straight line and form a coaxial wire drawing wheel set, and the diameters of all the wire drawing wheels of the same coaxial wire drawing wheel set are sequentially increased towards the reduction direction of the diameter of the through hole.
3. The flat copper wire pulling device for FFC flat cables of claim 2, wherein: the diameters of the two wire drawing wheels of the same wire drawing wheel set are equal, and the horizontal line of the through hole of the wire drawing eye die is tangent to the two wire drawing wheels of the same wire drawing wheel set.
4. The flat copper wire pulling device for FFC flat cables of claim 3, wherein: all the wire drawing wheels are driven to rotate by a motor.
5. The flat copper wire pulling device for FFC flat cables of claim 4, wherein: the cooling device comprises a plurality of cooling pipes, and the output ports of the cooling pipes face the wire drawing eye die.
6. The flat copper wire pulling device for FFC flat cables of claim 5, wherein: the wire drawing frame is equipped with wire drawing room and coolant liquid circulation room, all wire drawing wheelset and heat sink all set up in the wire drawing room, the coolant liquid circulation room pass through the pipeline with the bottom intercommunication of wire drawing room, the cooling tube with coolant liquid circulation room intercommunication, the coolant liquid circulation room is used for providing the coolant liquid and retrieving to the cooling tube the coolant liquid of wire drawing room.
7. The flat copper wire pulling device for FFC flat cables of claim 6, wherein: the wire drawing device is also provided with a wire drawing guide wheel, and the wire drawing guide wheel is arranged at the wire inlet of the wire drawing rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010954979.1A CN112024623A (en) | 2020-09-11 | 2020-09-11 | Flat copper wire pulling device for FFC (flexible flat cable) wire arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010954979.1A CN112024623A (en) | 2020-09-11 | 2020-09-11 | Flat copper wire pulling device for FFC (flexible flat cable) wire arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112024623A true CN112024623A (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010954979.1A Pending CN112024623A (en) | 2020-09-11 | 2020-09-11 | Flat copper wire pulling device for FFC (flexible flat cable) wire arrangement |
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| CN (1) | CN112024623A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024636A (en) * | 2020-09-11 | 2020-12-04 | 佛山市顺德区禾惠电子有限公司 | Flat copper wire manufacturing equipment for FFC flexible flat cable |
-
2020
- 2020-09-11 CN CN202010954979.1A patent/CN112024623A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024636A (en) * | 2020-09-11 | 2020-12-04 | 佛山市顺德区禾惠电子有限公司 | Flat copper wire manufacturing equipment for FFC flexible flat cable |
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