CN110918680B - Copper core wire paying-off mechanism and wire drawing equipment - Google Patents
Copper core wire paying-off mechanism and wire drawing equipment Download PDFInfo
- Publication number
- CN110918680B CN110918680B CN201911215248.9A CN201911215248A CN110918680B CN 110918680 B CN110918680 B CN 110918680B CN 201911215248 A CN201911215248 A CN 201911215248A CN 110918680 B CN110918680 B CN 110918680B
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- Prior art keywords
- rod
- copper core
- guide
- wire
- core wire
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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
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/16—Unwinding or uncoiling
- B21C47/18—Unwinding or uncoiling from reels or drums
- B21C47/20—Unwinding or uncoiling from reels or drums the unreeled material moving transversely to the tangent line of the drum, e.g. axially, radially
-
- 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
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
- B21C47/3433—Feeding or guiding devices not specially adapted to a particular type of apparatus for guiding the leading end of the material, e.g. from or to a coiler
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Unwinding Of Filamentary Materials (AREA)
Abstract
The application discloses copper core wire paying-off mechanism comprises a base fixedly installed on the ground; a rod vertically mounted on the base; a mounting portion fixedly mounted on the rod; the guide frame is used for guiding the copper core raw wire, and the height of the guide frame is higher than that of the rod; the guide rod comprises at least three guide rods, one end of each guide rod is arranged on the base, the other end of each guide rod is arranged on the mounting part, and one end of each guide rod close to the mounting part is closer to the rod than one end of each guide rod close to the base; the copper core raw wire roll is sleeved on the guide rod, so that the copper core raw wire placed on the copper core raw wire roll upwards enters the guide frame. The application provides a copper core wire material paying out machine constructs compares in prior art, can avoid the former material line of copper core to wind effectively and knot. The application also provides wire drawing equipment, and the wire drawing equipment has the same technical effect.
Description
Technical Field
The invention relates to the technical field of cable preparation, in particular to a copper core wire pay-off mechanism and copper core wire drawing equipment.
Background
Cable refers to a cable, usually a rope-like cable, made up of several or groups of conductors twisted together, each group being insulated from the other and often twisted around a center, the entire outer surface being covered with a highly insulating covering. The cable has the characteristics of internal electrification and external insulation. Copper is the predominant conductor material used in cable production.
The diameter of copper core cable is different according to the requirement of difference, consequently, the diameter that the copper core cable need become the former material line of copper core diminishes at the in-process of preparation to accord with actual demand. The diameter of the copper core raw wire is reduced, and the process is generally finished by adopting a drawing mode, and the process is called wire drawing.
The copper core raw wire is generally placed in a coil form, and during the wire drawing process, the coiled copper core raw wire needs to be straightened and drawn to complete wire drawing. However, in the prior art, in the process of paying off, the copper core raw material wire is in a curled shape, so that the copper core raw material wire can be wound or knotted during paying off, and the subsequent stretching process is influenced.
Therefore, it is an urgent need to solve the problem of the prior art to provide a paying-off mechanism for copper core wire, which can effectively avoid the winding and knotting of the copper core wire.
Disclosure of Invention
For solving above-mentioned technical problem, the application provides a copper core wire material paying out machine constructs can avoid the former wire winding of copper core to tie a knot effectively.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a copper core wire paying-off mechanism is characterized by comprising,
a base fixedly installed on the ground;
a rod vertically mounted on the base;
a mounting portion fixedly mounted on the rod; and the number of the first and second groups,
the guide frame is used for guiding the copper core raw material wire, and the height of the guide frame is higher than that of the rod;
the guide rod comprises at least three guide rods, one end of each guide rod is arranged on the base, the other end of each guide rod is arranged on the mounting part, and one end of each guide rod close to the mounting part is closer to the rod than one end of each guide rod close to the base;
the copper core raw wire roll is sleeved on the guide rod, so that the copper core raw wire placed on the copper core raw wire roll upwards enters the guide frame.
Preferably, the first and second electrodes are formed of a metal,
the guide rod is provided with an elastic guide strip, the elastic guide strip is obliquely arranged, and one end of the elastic guide strip is fixed to the guide rod and is closer to the rod than the other end of the elastic guide strip.
Preferably, the device also comprises a guide frame,
the guide frame comprises a guide frame and a guide rod,
a frame body is arranged on the frame body,
the first guide roller/wheel is arranged at the top of the frame body;
a second guide roller/wheel provided on the frame body;
the second guide roller/wheel is below the first guide roller/wheel and the first guide roller/wheel is closer to the rod than the second guide roller/wheel so that the copper core log wire is placed on top of the first guide roller/wheel and on the bottom of the second guide roller/wheel.
Preferably, the mounting portion is a mounting bracket or a mounting plate mounted perpendicular to the rod.
Preferably, the guide rod comprises a first guide rod and a second guide rod;
the rod is also provided with a direction-changing mounting part;
one end of the first guide rod is mounted on the base, the other end of the first guide rod is mounted on the direction-changing mounting part, and one end, close to the direction-changing mounting part, of the first guide rod is closer to the rod than one end, close to the base, of the first guide rod;
the one end of second guide bar is installed on the diversion installation department, the other end of second guide bar is installed on the installation department, the second guide bar is close to one end on the installation department is more close the one end of diversion installation department is close to the pole.
Preferably, the first guide bar is smoothly connected with the second guide bar.
Preferably, the frame body comprises a fixed base, a vertical part and an inclined part,
the fixed base is fixedly arranged on the ground;
the vertical part is fixedly arranged on the fixed base;
the inclined part is fixedly arranged on the vertical part;
the first guide roller/wheel is mounted on the inclined part;
the second guide roller/wheel is mounted on the vertical portion.
Preferably, the first and second electrodes are formed of a metal,
the rod is placed below the first guide roller/wheel.
Preferably, the first and second electrodes are formed of a metal,
the rod comprises a plurality of rods which are arranged in a row,
a first lever portion between the mounting portion and the base;
a second lever portion above the mounting portion;
the diameter of the first rod portion is greater than the diameter of the second rod portion.
A copper core wire drawing device comprises a wire drawing machine,
a wire releasing mechanism for the copper core wire,
the wire drawing mechanism is used for drawing and reducing the copper core raw wires placed by the copper core wire paying-off mechanism;
the winding mechanism is used for winding the copper core wire subjected to stretching and diameter reduction;
the copper core wire pay-off mechanism adopts any one of the above copper core wire pay-off mechanisms.
The invention provides a copper core wire pay-off mechanism, which is characterized in that at least more than three guide rods are arranged, one ends of the guide rods are arranged on a base, the other ends of the guide rods are arranged on an installation part, one ends of the guide rods close to the installation part are closer to the rods than the ends of the guide rods close to the base, when the pay-off is carried out, a copper core wire coil is sleeved on the at least more than three guide rods, and after the copper core wire coil is paid off, the copper core wire directly enters a guide frame upwards. Therefore, under the guiding action of the guide rod, the copper core raw wire is effectively prevented from being wound and knotted in the paying-off process.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a copper core wire pay-off mechanism without a guide frame according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a copper core wire pay-off mechanism without a guide frame and with a copper core raw wire coil according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a copper core wire paying-off mechanism provided in an embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all 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 application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
This embodiment is written in a progressive manner.
As shown in fig. 1 to fig. 3, an embodiment of the invention provides a copper core wire paying-off mechanism, which includes a base 110 fixedly installed on the ground; a rod 120 vertically installed on the base 110; a mounting portion 130 fixedly mounted on the rod 120; and a guide frame 200 for guiding the copper core raw wire, the height of the guide frame 200 being higher than the rod 120; at least three or more guide rods 140, one end of each guide rod 140 is mounted on the base 110, the other end of each guide rod 140 is mounted on the mounting portion 130, and one end of each guide rod 140 near the mounting portion 130 is closer to the rod 120 than one end near the base 110; the copper core wire is wound around the guide bar 140 so that the copper core wire wound around the copper core wire is upwardly fed into the guide frame 200.
First, the copper core raw wire is wound to form a copper core raw wire roll, and the copper core raw wire roll is a raw material for producing the copper core cable. The copper core raw material wire coil is heavy, if the unwinding wheel is adopted to unwind the copper core raw material wire coil, the requirement on the strength of the unwinding wheel is particularly high, and the copper core raw material wire coil is particularly difficult to be installed on the unwinding wheel, so that the copper core raw material wire coil is generally horizontally placed in the prior art, and the copper core raw material wire is directly pulled into the stretching mechanism to be stretched. However, since the copper core wire is coiled, the copper core wire can be curled, wound and even knotted during the process of coiling and uncoiling the copper core wire, which can seriously affect the subsequent stretching effect. Wherein, the knotting phenomenon refers to the knots of the copper core raw material wire which are curled.
According to the paying-off mechanism for the copper core wire, provided by the embodiment of the invention, as the at least three guide rods 140 are arranged, one ends of the guide rods 140 are arranged on the base 110, the other ends of the guide rods 140 are arranged on the mounting part 130, and one ends of the guide rods 140 close to the mounting part 130 are closer to the rod 120 than the ends close to the base 110, when paying off is carried out, the copper core wire coil 400 is sleeved on the at least three guide rods 140, and after the copper core wire coil 400 is paid off, the copper core wire 300 directly enters the guide frame 140 upwards. Thus, under the guiding action of the guiding rod 140 cooperating with the guiding frame 200, the winding and knotting phenomena of the copper core raw material wire during the process of the copper core raw material wire winding and paying off can be effectively avoided.
In the embodiment of the present invention, the guide bar 140 is provided with the elastic guide strip 150, the elastic guide strip 150 is disposed obliquely, and one end of the elastic guide strip 150 fixed on the guide bar 140 is closer to the rod 120 than the other end thereof.
When the copper core raw material wire coil 400 is paid off, because from the in-process of guide bar 140 to pole 120, the orbit of the copper core raw material wire 300 is littleer and smaller, so, there may be the possibility that the copper core raw material wire 300 twines the pole 120, therefore, in order to guarantee that the copper core raw material wire 300 can vertically upwards reach the leading truck 200 as far as possible, avoid twining the pole 120, thereby elastic guide strip 150 has been set up, adopt elastic guide strip 150 and its concrete setting, can avoid paying off in-process copper core raw material wire 300 orbit to be littleer and smaller, thereby avoid copper core raw material wire 300 to twine the pole 120 effectively.
The guide frame 200 according to the embodiment of the present invention includes a frame body 210, a first guide roller 221 disposed at the top of the frame body 210; a second guide roller/wheel 222 provided on the frame body 210; the second guide roller/wheel 222 is below the first guide roller/wheel 221 and the first guide roller/wheel 221 is closer to the rod 120 than the second guide roller/wheel 222 so that the copper core log wire 300 is placed on top of the first guide roller/wheel 221 and on the bottom of the second guide roller/wheel 222.
The first guide roller/wheel 221 and the second guide roller/wheel 222 are arranged to reduce friction between the copper core wire 300 and the guide frame 200, and reduce wear of the copper core wire 300 during the paying-off process.
In the present embodiment, the mounting portion 130 is preferably a mounting bracket or plate mounted perpendicular to the rod 120.
The guide bar 140 of the embodiment of the present invention includes a first guide bar 141 and a second guide bar 142; a direction-changing mounting part 160 is also arranged on the rod 120; one end of the first guide rod 141 is installed on the base 110, the other end of the first guide rod 141 is installed on the direction-changing installation part 160, and one end of the first guide rod 141 close to the direction-changing installation part 160 is closer to the rod 120 than one end close to the base 110; one end of the second guide bar 142 is mounted to the direction changing mounting portion 160, the other end of the second guide bar 142 is mounted to the mounting portion 160, and one end of the second guide bar 142 closer to the mounting portion 130 is closer to the rod 120 than one end closer to the direction changing mounting portion 160.
By adopting the structure, the guide rod 140 is changed in diameter, namely the orbit of the copper core raw wire 300 is smaller and smaller, so that the friction between the copper core raw wire 300 and the guide rod 140 can be reduced, and the loss of the copper core raw wire 300 in the paying-off process is reduced.
In the embodiment of the present invention, the first guide rod 141 is smoothly connected to the second guide rod 142. The smooth connection can reduce friction between the copper core wire 300 and the guide bar 140, and reduce the loss of the copper core wire 300 during the wire unwinding process. Under the requirement, the first guiding rod 141 and the second guiding rod 142 may be a whole, that is, formed by bending a guiding rod; or the first guide rod 141 and the second guide rod 142 may be welded, and at this time, the welded joint needs to be processed to ensure that the welded joint is smooth.
The frame body 210 in the embodiment of the invention comprises a fixed base 211, a vertical part 212 and an inclined part 213, wherein the fixed base 211 is fixedly arranged on the ground; the vertical part 212 is fixedly installed on the fixed base 211; the inclined portion 213 is fixedly mounted on the vertical portion 212; the first guide roller/wheel 221 is mounted on the inclined portion 213; a second guide roller/wheel 222 is mounted on the upright 212.
The inclined portion 213 is disposed above the guide bar 140, so that the first guide roller 221 is positioned above the guide bar 140, thereby effectively preventing the copper core wire 300 from being wound around the bar 120.
As a preferred embodiment, the rod 120 is placed directly below the first guide roller/wheel 221.
The lever 120 in the embodiment of the present invention includes, between the mounting portion 130 and the base 110, a first lever portion 121; a second lever portion 122 above the mounting portion 130; the diameter of the first rod portion 121 is larger than the diameter of the second rod portion 122.
By adopting the structure, the rod 120 is more stable in work, and the phenomenon that the rod 120 topples over in the paying-off process of the copper core raw material wire coil 400 is avoided.
The embodiment of the invention also provides copper core wire drawing equipment which comprises a copper core wire pay-off mechanism 10 and a wire drawing mechanism for drawing and reducing the copper core raw wire placed by the copper core wire pay-off mechanism 10; the winding mechanism is used for winding the copper core wire subjected to stretching and diameter reduction; the copper core wire pay-off mechanism 10 is the copper core wire pay-off mechanism 10 mentioned in the embodiment of the invention.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A copper core wire paying-off mechanism is characterized by comprising,
a base (110) fixedly installed on the ground;
a rod (120) vertically mounted on the base (110);
a mounting portion (130) fixedly mounted on the rod (120); and the number of the first and second groups,
a guide frame (200) for guiding the copper core log wire, the guide frame (200) having a height higher than the rod (120);
at least three or more guide rods (140), one end of each guide rod (140) is mounted on the base (110), the other end of each guide rod (140) is mounted on the mounting part (130), and one end of each guide rod (140) close to the mounting part (130) is closer to the rod (120) than one end close to the base (110);
the copper core raw wire roll is sleeved on the guide rod (140) so that the copper core raw wire placed by the copper core raw wire roll enters the guide frame (200) upwards;
an elastic guide strip (150) is arranged on the guide rod (140), the elastic guide strip (150) is obliquely arranged, and one end of the elastic guide strip (150) fixed on the guide rod (140) is closer to the rod (120) than the other end;
the guide rod (140) comprises a first guide rod (141) and a second guide rod (142);
the rod (120) is also provided with a direction-changing mounting part (160);
one end of the first guide rod (141) is installed on the base (110), the other end of the first guide rod (141) is installed on the direction-changing installation part (160), and one end, close to the direction-changing installation part (160), of the first guide rod (141) is closer to the rod (120) than one end, close to the base (110);
one end of the second guide rod (142) is installed on the turning installation part (160), the other end of the second guide rod (142) is installed on the installation part (130), and one end of the second guide rod (142) close to the installation part (130) is closer to the rod (120) than one end of the turning installation part (160).
2. The copper core wire paying out mechanism according to claim 1, wherein the guide frame (200),
the guide frame (200) comprises a guide frame,
a frame body (210),
a first guide roller/wheel (221) disposed at the top of the frame body (210);
a second guide roller/wheel (222) provided on the frame body (210);
the second guide roller/wheel (222) is below the first guide roller/wheel (221), and the first guide roller/wheel (221) is closer to the rod (120) than the second guide roller/wheel (222), so that copper core log wire (300) is placed on top of the first guide roller/wheel (221) and on the bottom of the second guide roller/wheel (222).
3. The copper core wire pay-off mechanism as claimed in claim 1, wherein the mounting portion (130) is a mounting bracket or a mounting plate mounted perpendicular to the rod (120).
4. The copper core wire paying out mechanism of claim 1,
the first guide rod (141) is smoothly connected with the second guide rod (142).
5. The copper core wire paying out mechanism of claim 2,
the frame body (210) comprises a fixed base (211), a vertical part (212) and an inclined part (213),
the fixed base (211) is fixedly arranged on the ground;
the vertical part (212) is fixedly arranged on the fixed base (211);
the inclined part (213) is fixedly installed on the vertical part (212);
the first guide roller/wheel (221) is mounted on the inclined part (213);
the second guide roller/wheel (222) is mounted on the vertical portion (212).
6. The copper core wire paying out mechanism of claim 5,
the rod (120) is placed under the first guide roller/wheel (221).
7. The copper core wire paying out mechanism of claim 1,
the rod (120) comprises a rod (120),
a first lever portion (121) between the mounting portion (130) and the base (110);
a second lever portion (122) above the mounting portion (130);
the diameter of the first rod portion (121) is greater than the diameter of the second rod portion (122).
8. A copper core wire drawing device comprises a wire drawing machine,
a copper core wire paying-off mechanism (10),
the wire drawing mechanism is used for drawing and reducing the copper core raw wires placed by the copper core wire paying-off mechanism (10);
the winding mechanism is used for winding the copper core wire subjected to stretching and diameter reduction;
the copper core wire pay-off mechanism (10) adopts the copper core wire pay-off mechanism (10) of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911215248.9A CN110918680B (en) | 2019-12-02 | 2019-12-02 | Copper core wire paying-off mechanism and wire drawing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911215248.9A CN110918680B (en) | 2019-12-02 | 2019-12-02 | Copper core wire paying-off mechanism and wire drawing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110918680A CN110918680A (en) | 2020-03-27 |
| CN110918680B true CN110918680B (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911215248.9A Active CN110918680B (en) | 2019-12-02 | 2019-12-02 | Copper core wire paying-off mechanism and wire drawing equipment |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114436035A (en) * | 2022-03-14 | 2022-05-06 | 江苏永鼎盛达电缆有限公司 | Copper rod drawing emergency control swinging pay-off equipment for cables and use method |
| CN114769359A (en) * | 2022-05-16 | 2022-07-22 | 海亮（安徽）铜业有限公司 | Passive discharging device for producing copper tubes |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1165014A (en) * | 1966-08-22 | 1969-09-24 | Herbert Kenmore | Apparatus for Treating Wire and Rods. |
| JP2001162374A (en) * | 1999-12-10 | 2001-06-19 | Hitachi Cable Ltd | Leting off jig for pail pack take up wire |
| CN204396522U (en) * | 2014-12-25 | 2015-06-17 | 杭州通策电线电缆有限公司 | Wire drawing and paying frame |
| CN206492798U (en) * | 2016-12-28 | 2017-09-15 | 安徽江南鸣放电子科技有限公司 | A kind of actinobacillus device of copper cash stretching-machine |
| CN209222917U (en) * | 2018-12-12 | 2019-08-09 | 河南金水电缆集团有限公司 | A kind of copper wire pay-off guide device for cable production |
-
2019
- 2019-12-02 CN CN201911215248.9A patent/CN110918680B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1165014A (en) * | 1966-08-22 | 1969-09-24 | Herbert Kenmore | Apparatus for Treating Wire and Rods. |
| JP2001162374A (en) * | 1999-12-10 | 2001-06-19 | Hitachi Cable Ltd | Leting off jig for pail pack take up wire |
| CN204396522U (en) * | 2014-12-25 | 2015-06-17 | 杭州通策电线电缆有限公司 | Wire drawing and paying frame |
| CN206492798U (en) * | 2016-12-28 | 2017-09-15 | 安徽江南鸣放电子科技有限公司 | A kind of actinobacillus device of copper cash stretching-machine |
| CN209222917U (en) * | 2018-12-12 | 2019-08-09 | 河南金水电缆集团有限公司 | A kind of copper wire pay-off guide device for cable production |
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| CN110918680A (en) | 2020-03-27 |
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