CN114792587A - On-line eccentric correction wire and cable production line - Google Patents
On-line eccentric correction wire and cable production line Download PDFInfo
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- CN114792587A CN114792587A CN202210700825.9A CN202210700825A CN114792587A CN 114792587 A CN114792587 A CN 114792587A CN 202210700825 A CN202210700825 A CN 202210700825A CN 114792587 A CN114792587 A CN 114792587A
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- disc
- cable
- deviation
- water tank
- connecting disc
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0036—Details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of wire and cable manufacturing equipment, in particular to an online eccentric correction wire and cable production line which overcomes the defect of complex and lagged existing deviation correcting devices and comprises a winding and unwinding disc, an extruder, a first water tank, a deviation correcting device, a second water tank and a winding disc, wherein a core wire is wrapped into a cable by molten plastic after passing through the extruder, and the cable passes through the first water tank for preliminary solidification and then is further solidified by the second water tank after passing through the deviation correcting device; a ball head rod, a deviation contact disc, a regulating disc and a connecting disc are arranged in a base of the deviation correcting device, the upper end of the ball head rod is fixed on the wall body of the base, and the connecting disc is hung on the ball head rod in a ball joint mode through a ball head at the lower end of the ball head rod and a ball head hole in the outer peripheral wall of the connecting disc; the deviation-touching disc is screwed at the front end of the connecting disc, the adjusting disc is screwed at the rear end of the connecting disc, when the cable at the front end of the deviation-correcting device generates axis deviation, the cable touches the deviation-touching disc to swing around the spherical joint, and the adjusting disc touches the cable to enable the cable at the rear end of the deviation-correcting device to reduce the deviation or not generate axis deviation.
Description
Technical Field
The invention relates to the technical field of wire and cable manufacturing equipment, in particular to an online eccentric correction wire and cable production line.
Background
The production process of the electric wire cable generally comprises the steps that the core wire passes through a die head of a plastic extruder, the core wire is circumferentially wrapped by molten plastic extruded from the die head and then cooled and solidified by a cooling water tank, a core wire unwinding disc and a cable winding disc are arranged at two ends of a production line, obviously, the plastic is uniformly wrapped around the core wire by enabling the axis of the core wire to be coincident with the axis of the die head at the die head, the core wire is in fact in continuous motion, a large span exists between the unwinding disc and the winding disc, the core wire and the cable are in fluctuation, the unwinding disc is close to the die head, the diameter deviation of the core wire is small, the centering is easy to carry out on the unwinding disc side through a centering device, but the winding disc is far away from the die head, and the external diameter of cable has the deviation in different positions, because of the inhomogeneous cable external diameter that can lead to that the plastic extrudes changes promptly, uses the position sleeve, and the aperture of position sleeve needs to be greater than the biggest deviation diameter of cable, and the cable just can pass through the position sleeve like this, and like this, the position sleeve just can not play the effect of centering, so, is taking place eccentric rolling dish side centering on the contrary more difficult easily.
At present, an effective direct deviation correcting method does not exist in an eccentric control device of an electric wire and cable production line, and a method is provided, wherein a die sleeve of a die head, namely an outer die, is arranged into a movable die sleeve capable of moving in the direction of X, Y, and a high deviation measuring device and a feedback adjusting device are arranged to control eccentricity on line, so that the mode has the defects of complex structure and control lag.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a to the online device of rectifying deviation under the cable probably produces undulant, causes the eccentric condition of extruder die head department sinle silk when the reel is taken up to cable front end, overcome the complicated lagged shortcoming of current device of rectifying deviation.
The technical scheme adopted by the invention for solving the technical problems is as follows: an online eccentric correction wire and cable production line is provided with a core wire unwinding disc, a plastic extruder, a first cooling water tank, a deviation correcting device, a second cooling water tank, an inspection device and a cable winding disc which are sequentially arranged, wherein the core wire is wrapped into a cable by molten plastic after passing through the plastic extruder, and the cable passes through the first cooling water tank for preliminary solidification and then is further solidified by the second cooling water tank after passing through the deviation correcting device;
the correcting device comprises a cylindrical base with an inner cavity, wherein a ball head rod, a deviation contact disc, an adjusting disc and a connecting disc are arranged in the base, the upper end of the ball head rod is fixed on the wall body of the base, and the connecting disc is hung on the ball head rod in a ball joint mode through a ball head at the lower end of the ball head rod and a ball head hole in the outer peripheral wall of the connecting disc;
the deviation touching disc, the adjusting disc and the connecting disc are cylindrical, the deviation touching disc and the adjusting disc are provided with external threads, the connecting disc is provided with internal threads, the movement direction of a cable is taken as the front, the deviation touching disc is screwed at the front end of the connecting disc, the adjusting disc is screwed at the rear end of the connecting disc, the deviation touching disc, the adjusting disc and the connecting disc are connected to form a disc assembly, and the cable penetrates through a first through hole in the adjusting disc and a second through hole in the deviation touching disc;
a centering structure is arranged on the disc assembly or between the disc assembly and the base, so that the axis of the disc assembly tends to be consistent with the set axis of the cable;
when the cable at the front end of the deviation correcting device generates axis deviation, the cable touches the inner wall of the second through hole to push the disc assembly to swing around the spherical joint, and the inner wall of the first through hole touches the cable to reduce the deviation or prevent the cable at the rear end of the deviation correcting device from generating axis deviation;
the numerical relation between the contact deflection amount of the cable to the contact deflection disc and the adjustment amount of the cable to the adjustment amount of the adjustment disc is determined by the different positions of the contact deflection disc and the adjustment disc on the connecting disc and the inner diameters of the first through hole and the second through hole.
Specifically, the centering structure which enables the axis of the disc assembly to tend to be consistent with the set axis of the cable is arranged between the disc assembly and the base: at least three centering springs are circumferentially and equally distributed between the inner wall of the base and the outer wall of the connecting disc, the outer ends of the centering springs are positioned in the counter bores in the inner wall of the base, and the inner ends of the centering springs are positioned in the counter bores in the outer wall of the connecting disc.
Specifically, the centering structure on the disc assembly for enabling the axis of the disc assembly to tend to be consistent with the set axis of the cable is as follows: the disk component is provided with a balancing weight which enables the gravity center line of the disk component to be consistent with the axis of the ball head rod.
Specifically, in the disc assembly, a spacer bush is arranged between the deflection contact disc and the adjusting disc.
In order to be able to position the deflection contact disc and the adjusting disc in different positions of the coupling disc, the spacers are exchangeable or superimposed spacers of different lengths.
In order to enable the adjusting point of the adjusting disc for the cable to be at the rear opening part of the adjusting disc, the first through hole is in a horn shape with a forward opening.
In order to enable the contact deviation point of the contact deviation disc on the cable to be at the front opening part of the contact deviation disc, the second through hole is in a horn shape with a backward opening.
The beneficial effects of the invention are: the water tanks for cooling the cable are divided into two water tanks, and the deviation correcting device is arranged between the two water tanks, so that the deviation correcting device is close to the die head as much as possible, and the deviation correcting stability is improved; the deviation correcting device is fixed on the production line, the axis of the deviation correcting device is consistent with the axis of the whole production line, when cables of different specifications are produced, the deviation contact disc and the adjusting disc can be replaced, the positions of the two discs on the connecting disc can be repositioned, the whole deviation correcting device of different specifications is not needed, and the axis is prevented from being corrected again; the production line can be with the undulant separation of cable of coiling dish side just, ensures that the heart yearn of die head department only produces the trace fluctuation or does not produce undulant.
Drawings
FIG. 1 is a schematic composition of the present invention;
FIG. 2 is a schematic view showing upward undulation of a core wire at a die head of the plastic extruder of the present invention;
FIG. 3 is a schematic view of the deviation correcting device of the present invention without deviation of the cable;
FIG. 4 is a schematic view of a cable deflected upward at the device of the present invention;
FIG. 5 is a principle diagram of the present invention for correction of polarization.
In the figure: 1. the device comprises a core wire unwinding disc, 2, a plastic extruder, 3, a first cooling water tank, 4, a deviation correcting device, 5, a second cooling water tank, 6, a checking device, 7 and a cable winding disc; 2-1, a mold core, 2-1 and a mold sleeve; 4-1 parts of a base, 4-2 parts of a ball head rod, 4-3 parts of a contact deviation disc, 4-4 parts of an adjusting disc, 4-5 parts of a connecting disc, 4-6 parts of a first through hole, 4-7 parts of a second through hole, 4-8 parts of a centering spring, 4-9 parts of a spacer bush.
Detailed Description
The following describes technical solutions in embodiments of the present invention in detail with reference to the accompanying drawings of the present specification.
An on-line eccentric correction wire and cable production line as shown in figure 1 is provided with a core wire unwinding reel 1, a plastic extruder 2, a first cooling water tank 3, a deviation correcting device 4, a second cooling water tank 5, an inspection device 6 and a cable winding reel 7 which are sequentially arranged, wherein the core wire passes through the plastic extruder 2 and then is wrapped into a cable by molten plastic, the cable passes through the first cooling water tank 3 for primary solidification and then passes through the deviation correcting device 4 and then is further solidified by the second cooling water tank 5, cooling water in the water tanks is circulated, and inlets and outlets of the cable on the water tanks are provided with enough gaps for allowing the cooling water to flow out, and at most, the gaps are filled with sponge.
The situation that the core wire at the die head of the plastic extruder 2 is eccentric after the cable fluctuates is shown in figure 2, the core wire enters the die sleeve 2-2 through the die core 2-1, and flowing plastic in the annular rubber channel between the die sleeve 2-2 and the die core 2-1 wraps the core wire.
As shown in fig. 3, the deviation correcting device 4 comprises a cylindrical base 4-1 with an inner cavity, the shape of the cylinder can be a cylinder or a rectangular cylinder, a ball rod 4-2, a deviation contact disc 4-3, a regulating disc 4-4 and a connecting disc 4-5 are arranged in the base 4-1, the upper end of the ball rod 4-2 is fixed on the wall body of the base 4-1, and the connecting disc 4-5 is hung on the ball rod 4-2 in a ball joint mode through a ball head at the lower end of the ball rod 4-2 and a ball head hole on the outer peripheral wall of the connecting disc 4-5;
the touch deflection disc 4-3, the adjusting disc 4-4 and the connecting disc 4-5 are cylindrical, the touch deflection disc 4-3 and the adjusting disc 4-4 are provided with external threads, the connecting disc 4-5 is provided with internal threads, the touch deflection disc 4-3 is screwed at the front end of the connecting disc 4-5 by taking the movement direction of a cable as the front part, the adjusting disc 4-4 is screwed at the rear end of the connecting disc 4-5, the touch deflection disc 4-3, the adjusting disc 4-4 and the connecting disc 4-5 are connected into a disc assembly, and the cable passes through a first through hole 4-6 on the adjusting disc 4-4 and a second through hole 4-7 on the touch deflection disc 4-3; a centering structure enabling the axis of the disc assembly to tend to be consistent with the set axis of a cable is arranged between the disc assembly and a base 4-1, the set axis of the cable is the axis of a production line and is a theoretical axis of the cable without any deviation, the base 4-1 is a rectangular cylinder, four centering springs 4-8 are distributed between four inner walls of the base and the outer wall of a connecting disc 4-5, the outer ends of the centering springs 4-8 are located in counter bores in the inner wall of the base 4-1, the inner ends of the centering springs are located in counter bores in the outer wall of the connecting disc 4-5, the other centering structure is not shown, namely a balancing weight enabling the gravity center line of the disc assembly to be consistent with the axis of a ball head rod 4-2 is arranged on the disc assembly, and the centering effect is mainly that X, Y and torsion in the Z three-axis direction cannot be caused to the cable due to self construction of the disc assembly.
As shown in fig. 4, when the cable at the front end of the deviation correcting device 4 has an axis deviation, the cable touches the inner wall of the second through hole 4-7 to push the disc assembly to swing around the ball joint, and the inner wall of the first through hole 4-6 touches the cable to reduce the deviation amount of the cable at the rear end of the deviation correcting device 4 or prevent the cable from having an axis deviation;
the numerical relation between the contact deviation amount of the cable to the deviation disc 4-3 and the adjustment amount of the cable to the adjustment disc 4-4 is determined by the different positions of the deviation disc 4-3 and the adjustment disc 4-4 positioned on the connecting disc 4-5 and the inner diameters of the first through hole 4-6 and the second through hole 4-7, the different positions of the deviation disc 4-3 and the adjustment disc 4-4 on the connecting disc 4-5 can be achieved by screwing the deviation disc 4-3 and the adjustment disc 4-4, replaceable or overlappable spacer bushes 4-9 with different lengths are arranged between the deviation disc 4-3 and the adjustment disc 4-4 in the disc assembly, and the spacer bushes 4-9 play a role in spacing the deviation disc 4-3 and the adjustment disc 4-4.
The first through hole 4-6 is flared with a forward opening, i.e. the first through hole 4-6 is a tapered hole, but because of the smaller slope, it is not clearly shown in the figure, and the second through hole 4-7 is flared with a backward opening.
The length of the first cooling water tank 3 is smaller than that of the second cooling water tank 5, and the first cooling water tank 3 only needs to ensure that the cable is cooled and solidified and can bear the pressure of general external force.
The meaning of the numerical relationship between the deflection of the cable deflection plate 4-3 and the adjustment of the cable by the adjustment plate 4-4 is further explained below by means of fig. 5 for the deflection of the deflection plate 4-3 and the positioning of the adjustment plate 4-4 at different positions on the coupling plate 4-5 and for the inner diameters of the first through hole 4-6 and the second through hole 4-7:
in fig. 5, d is the outer diameter of the cable core, a is the initial gap between the deflection contact disc and the cable, and is illustrated as a production example, and the values of a =1.4mm, G, H is the front and rear contact points before and after displacement of the deflection contact disc, and F, E is the front and rear contact points before and after displacement of the adjustment disc; dotted line PQ is cable receiveAfter disturbance, a straight line MN is the boundary position before the cable is disturbed, a G point of a touch deflection disc is deflected by the cable to be jacked to a point H, the point O is not a hinge point O at the lower end of a node fixer but an equivalent node under the action of a pivot point O, a F point of an adjusting disc is lowered to a point E, and a L point is lowered to a point L EF =L FO ×L HG /L OG L assuming cable radial offset b =0.5mm EF =0.5×L FO /L OG When L is present FO /L OG When =2, L EF By 1 is meant that a radial 1mm offset compensation can be provided at the touch deflection disc, the cable being closer to the axis location where it should be.
It should be noted that, in the production line of the present invention, the function of the deviation rectifying device is to rectify the cable by a certain amount, and only the core wire can be within the allowable deviation range.
The principle and the embodiment of the present invention are explained by applying specific examples, and the above description of the embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. The utility model provides an on-line eccentric correction wire and cable production line which characterized by:
the cable is characterized by comprising a core wire unwinding disc (1), a plastic extruder (2), a first cooling water tank (3), a deviation rectifying device (4), a second cooling water tank (5), an inspection device (6) and a cable winding disc (7) which are sequentially arranged, wherein the core wire is wrapped into a cable by molten plastic after passing through the plastic extruder (2), and the cable is further solidified by the second cooling water tank (5) after passing through the deviation rectifying device (4) after passing through the first cooling water tank (3) for preliminary solidification;
the correcting device (4) comprises a cylindrical base (4-1) with an inner cavity, a ball rod (4-2), a deviation contact disc (4-3), an adjusting disc (4-4) and a connecting disc (4-5) are arranged in the base (4-1), the upper end of the ball rod (4-2) is fixed on the wall body of the base (4-1), and the connecting disc (4-5) is hung on the ball rod (4-2) in a ball joint mode through a ball head at the lower end of the ball rod (4-2) and a ball head hole in the outer peripheral wall of the connecting disc (4-5);
the touch deflection disc (4-3), the adjusting disc (4-4) and the connecting disc (4-5) are cylindrical, the touch deflection disc (4-3) and the adjusting disc (4-4) are provided with external threads, the connecting disc (4-5) is provided with internal threads, the moving direction of a cable is taken as the front direction, the touch deflection disc (4-3) is screwed at the front end of the connecting disc (4-5), the adjusting disc (4-4) is screwed at the rear end of the connecting disc (4-5), the touch deflection disc (4-3), the adjusting disc (4-4) and the connecting disc (4-5) are connected to form a disc assembly, and the cable penetrates through a first through hole (4-6) in the adjusting disc (4-4) and a second through hole (4-7) in the touch deflection disc (4-3);
a centering structure which enables the axis of the disc assembly to be consistent with the set axis of the cable is arranged on the disc assembly or between the disc assembly and the base (4-1);
when the cable at the front end of the deviation correcting device (4) generates axis deviation, the cable touches the inner wall of the second through hole (4-7) to push the disc assembly to swing around the ball joint, and the inner wall of the first through hole (4-6) touches the cable to enable the cable at the rear end of the deviation correcting device (4) to reduce the deviation or not generate axis deviation;
the numerical relation between the contact deviation amount of the cable to the deviation disc (4-3) and the adjustment amount of the cable to the adjustment disc (4-4) is determined by the different positions of the deviation disc (4-3) and the adjustment disc (4-4) on the connecting disc (4-5) and the inner diameters of the first through hole (4-6) and the second through hole (4-7).
2. The on-line eccentric correction wire and cable production line of claim 1, wherein: at least three centering springs (4-8) are circumferentially and equally distributed between the inner wall of the base (4-1) and the outer wall of the connecting disc (4-5), the outer ends of the centering springs (4-8) are positioned in counter bores in the inner wall of the base (4-1), and the inner ends of the centering springs are positioned in counter bores in the outer wall of the connecting disc (4-5).
3. The on-line eccentric correction wire and cable production line of claim 1, wherein: the disk assembly is provided with a balancing weight which enables the gravity center line of the disk assembly to be consistent with the axis of the ball head rod (4-2).
4. The on-line eccentric correction wire and cable production line of claim 1, wherein: in the disc assembly, a spacer bush (4-9) is arranged between the touch deflection disc (4-3) and the adjusting disc (4-4).
5. The on-line eccentric correction wire and cable production line of claim 4, wherein: the spacer bushes (4-9) are replaceable or overlapped spacer bushes with different lengths.
6. The on-line eccentric correction wire and cable production line of claim 1, wherein: the first through holes (4-6) are in a horn shape with a forward opening.
7. The on-line eccentric correction wire and cable production line of claim 1, wherein: the second through holes (4-7) are in a horn shape with a backward opening.
8. The on-line eccentric correction wire and cable production line of claim 1, wherein: the length of the first cooling water tank (3) is smaller than that of the second cooling water tank (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210700825.9A CN114792587B (en) | 2022-06-21 | 2022-06-21 | On-line eccentric correction wire and cable production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210700825.9A CN114792587B (en) | 2022-06-21 | 2022-06-21 | On-line eccentric correction wire and cable production line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114792587A true CN114792587A (en) | 2022-07-26 |
| CN114792587B CN114792587B (en) | 2022-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210700825.9A Active CN114792587B (en) | 2022-06-21 | 2022-06-21 | On-line eccentric correction wire and cable production line |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0714444A (en) * | 1993-04-26 | 1995-01-17 | Yazaki Corp | Electric wire feeding device having joint detecting mechanism |
| CN201494276U (en) * | 2009-09-16 | 2010-06-02 | 赵庆华 | Corrective device |
-
2022
- 2022-06-21 CN CN202210700825.9A patent/CN114792587B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0714444A (en) * | 1993-04-26 | 1995-01-17 | Yazaki Corp | Electric wire feeding device having joint detecting mechanism |
| CN201494276U (en) * | 2009-09-16 | 2010-06-02 | 赵庆华 | Corrective device |
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| Publication number | Publication date |
|---|---|
| CN114792587B (en) | 2022-09-16 |
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