CN116487128A - Dynamic forming pinch roller device, system and forming method for high-voltage cable metal sheath - Google Patents
Dynamic forming pinch roller device, system and forming method for high-voltage cable metal sheath Download PDFInfo
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- CN116487128A CN116487128A CN202310578994.4A CN202310578994A CN116487128A CN 116487128 A CN116487128 A CN 116487128A CN 202310578994 A CN202310578994 A CN 202310578994A CN 116487128 A CN116487128 A CN 116487128A
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 103
- 239000002184 metal Substances 0.000 title claims abstract description 103
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims abstract description 112
- 238000003825 pressing Methods 0.000 claims abstract description 31
- 238000003466 welding Methods 0.000 claims description 17
- 238000000465 moulding Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 14
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Classifications
-
- 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
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2613—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
- H01B13/2686—Pretreatment
-
- 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
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2613—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
-
- 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
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2613—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
- H01B13/262—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping of an outer metallic screen
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wire Processing (AREA)
Abstract
The invention relates to a dynamic forming pinch roller device, a system and a forming method for a high-voltage cable metal sheath, wherein the device comprises: the convex pinch roller assembly comprises a group of convex pinch rollers and a first displacement adjusting assembly, wherein the convex pinch rollers are arranged on the first displacement adjusting assembly, and the first displacement adjusting assembly is arranged for adjusting the position of the convex pinch rollers in a first direction; the concave pinch roller assembly comprises a group of concave pinch rollers and a second displacement adjusting assembly, the concave pinch rollers are arranged on the second displacement adjusting assembly, and the second displacement adjusting assembly is arranged to adjust the position of the concave pinch rollers in a second direction; an included angle is formed between the central axis of the convex pressing wheel and the central axis of the concave pressing wheel, and the size of the included angle is adjustable; the base adjusts the moving direction and distance of the first displacement adjusting component and the second displacement adjusting component. The invention adjusts at least one of a first displacement adjusting component, a second displacement adjusting component and a base, and a metal belt is preformed on the edge of the metal belt through a convex pinch roller and a concave pinch roller.
Description
Technical Field
The invention relates to the technical field of cable forming devices, in particular to a dynamic forming pinch roller device, a dynamic forming pinch roller system and a dynamic forming method for a high-voltage cable metal sheath.
Background
When designing high-voltage cable, in order to shield the electric field influence or increase cable mechanical properties that the cable operation in-process produced, can design one deck metal shielding layer or armor protective layer in the cable structure, shielding layers such as copper strips, steel band, aluminium strip, etc. usually take shape gradually for one pass through the mould of design during production, realize indulging and wrap the back welding.
For forming metal strips (such as aluminum strips, copper strips, steel strips and the like), the prior technical proposal is to adopt a 4-6-component horn die, as shown in figure 1, carry out forced gradual forming and longitudinal wrapping on the metal strips, and then carry out welding.
The prior art has the following defects: (1) Sometimes, the heights of two sides of the formed aluminum strip are different, so that the quality of a welding line is unreliable; (2) The almost forced forming mode can cause serious abrasion of the positions, close to the two sides of the metal belt, of the horn die, the service life of the die is greatly reduced, and therefore the roundness of a metal sheath of a subsequent product is affected.
Disclosure of Invention
Aiming at the defects of the prior art, the invention discloses a dynamic forming pinch roller device, a dynamic forming pinch roller system and a dynamic forming method for a high-voltage cable metal sheath.
The technical scheme adopted by the invention is as follows:
a high voltage cable metal sheath dynamic forming pinch roller device comprising:
the convex pinch roller assembly comprises a group of convex pinch rollers and a first displacement adjusting assembly, wherein the convex pinch rollers are arranged on the first displacement adjusting assembly, and the first displacement adjusting assembly is arranged for adjusting the position of the convex pinch rollers in a first direction;
the concave pinch roller assembly comprises a group of concave pinch rollers and a second displacement adjusting assembly, wherein the concave pinch rollers are arranged on the second displacement adjusting assembly, and the second displacement adjusting assembly is arranged to adjust the position of the concave pinch rollers in a second direction;
an included angle is formed between the central axis of the convex pressing wheel and the central axis of the concave pressing wheel, and the size of the included angle is adjustable;
a base configured to adjust a moving direction and a distance of the first displacement adjustment assembly and the second displacement adjustment assembly;
and adjusting at least one of the first displacement adjusting assembly, the second displacement adjusting assembly and the base, wherein a metal belt passes through the convex pressing wheel and the concave pressing wheel and is preformed on the edge of the metal belt through the convex pressing wheel and the concave pressing wheel.
In some embodiments, the base includes a base, a set of sliding seat, a moving slide rail and a moving adjusting screw, the sliding seat is mounted on the base and the first displacement adjusting assembly is mounted on the sliding seat, the moving slide rail is connected with the moving adjusting screw and the moving slide rail is in sliding fit with the sliding seat, and the moving adjusting screw is adjusted to adjust the position of the sliding seat through the moving slide rail.
In some embodiments, the convex pinch roller has a first plane, a first curved surface, a second curved surface and a second plane, two sides of the first plane and the second plane are respectively provided with the first curved surface and the second curved surface which are connected, and the first curved surface and the second curved surface are both convex surfaces.
In some embodiments, the radius of curvature R4 of the first curved surface is 20mm-25mm and the radius of curvature R5 of the second curved surface is 1mm-5mm.
In some embodiments, the first displacement adjustment assembly includes a displacement slide rod and a first displacement adjustment nut, the displacement slide rod passes through the convex pinch roller, the first displacement adjustment nut is sleeved on the displacement slide rod, and the first displacement adjustment nut adjusts the position of the convex pinch roller on the displacement slide rod.
In some embodiments, the concave pinch roller has a third plane, a third curved surface, a fourth curved surface, a fifth curved surface and a fourth plane, and two sides of the third plane and the fourth plane are respectively provided with the third curved surface, the fourth curved surface and the fifth curved surface which are connected; the third curved surface and the fifth curved surface are convex surfaces, and the fourth curved surface is a concave surface.
In some embodiments, the radius of curvature R2 of the third curved surface is 20mm-25mm and the radius of curvature R3 of the fifth curved surface is 6mm-8mm.
In some embodiments, the second displacement adjustment assembly comprises a displacement adjustment screw rod, a transmission shaft and a first displacement sliding sleeve, wherein the displacement adjustment screw rod sequentially penetrates through the first displacement sliding sleeve and the concave pressing wheel, and the first displacement sliding sleeve is fixedly connected with the concave pressing wheel; the displacement adjusting screw rod is connected with the transmission shaft, and one end of the transmission shaft is connected with the output end of the driving source.
A high voltage cable metal sheath dynamic forming pinch roller system comprising:
a first station for unreeling the metal strip;
the second station is provided with the dynamic forming pinch roller device of the high-voltage cable metal sheath and is used for preforming the two side edges of the metal belt;
the third station is used for carrying out progressive longitudinal wrapping and folding on the metal belt;
a fourth station for welding the metal strip;
a fifth station for pulling the metal strip;
and a sixth station for winding the metal strip.
The aluminum sheath forming method for the dynamic forming pinch roller system of the high-voltage cable metal sheath comprises the following steps of:
s1, unreeling a metal belt at a first station;
s2, performing pre-transition molding on two side edges of the metal belt by a second station;
s3, gradually longitudinally wrapping the metal belt by a third station to form a circular pipe;
s4, welding the metal belt at a fourth station;
s5, drawing the metal belt at a fifth station, and reducing and extruding the metal belt to form a metal sheath;
s6, winding the metal sheath to a winding disc at a sixth station.
Compared with the prior art, the technical scheme of the invention has the following advantages:
the dynamic forming pinch roller device for the high-voltage cable metal sheath solves the problem that product quality is affected due to the fact that a metal tube is not round, welding seam impurities are cracked, air holes and the like in the prior art, meanwhile, the forming mode also reduces abrasion of a forming horn die, prolongs the service life of the forming horn die, and reduces maintenance cost of production.
The dynamic forming pinch roller device for the high-voltage cable metal sheath can avoid the defects of weld impurity cracking, air holes and the like caused by direct contact pollution of incisions at two side edges of a metal belt and a forming horn die, and improves the product quality.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
Fig. 1 is a schematic view of a conventional molding horn die.
FIG. 2 is a schematic diagram of a dynamic forming pinch roller device for a high voltage cable sheath according to the present invention.
FIG. 3 is a schematic view of a metal belt formed between two pinch rollers in accordance with the present invention.
Figure 4 is a schematic diagram of a concave puck according to the present invention.
Figure 5 is a schematic diagram of a puck according to the present invention.
FIG. 6 is a schematic diagram of a dynamic forming pinch roller system for a high voltage cable metal sheath according to the present invention.
Description of the specification reference numerals: 1. a base; 2. moving the slide rail; 3. moving an adjusting screw rod; 4. a displacement adjusting screw rod; 5. a support frame; 6. a transmission shaft; 7. a first displacement sliding sleeve; 8. a concave pinch roller; 9. a second displacement slip cap; 10. a convex pinch roller; 11. an angle adjusting element; 12. a displacement slide rod; 13. a first displacement adjustment nut; 14. a second displacement adjustment nut; 15. a metal belt; 16. a first station; 17. a second station; 18. a third station; 19. a fourth station; 20. a fifth station; 21. and a sixth station.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
The foregoing and other features, aspects and advantages of the present invention will become more apparent from the following detailed description of the embodiments, read in conjunction with the accompanying drawings. The directional terms mentioned in the following embodiments are, for example: upper, lower, left, right, front or rear, etc., are merely references to the directions of the drawings. Thus, directional terminology is used for the purpose of illustration and is not intended to be limiting of the invention, and furthermore, like reference numerals refer to like elements throughout the embodiments.
Example 1:
referring to fig. 1 and 2, a dynamic forming pinch roller device for a high-voltage cable metal sheath comprises a convex pinch roller assembly, a concave pinch roller assembly and a base 1.
The base 1 is arranged to adjust the direction and distance of movement of the first and second displacement adjustment assemblies.
Specifically, base 1 includes base, a set of sliding seat, removes slide rail 2 and removes adjusting screw 3, and the sliding seat is installed in the base and first displacement adjustment subassembly is installed in the sliding seat, removes slide rail 2 and removes adjusting screw 3 and connect and remove slide rail 2 and sliding seat sliding fit, adjusts the position that removes adjusting screw 3 and adjust the sliding seat through removing slide rail 2. In addition, a straight line where the long side of the base is located is taken as an X axis, a straight line where the height of the base is located is taken as a Y axis, a coordinate system is established, the description of the moving direction of each subsequent part is facilitated, the movement of the part along the Y axis direction can be defined as a first direction, and the movement of the part along the X axis direction can be defined as a second direction.
The displacement slide rod 12 is respectively installed on the slide seat, the second displacement slide sleeve 9 is installed on the displacement slide rod 12, the second displacement slide sleeve 9 is used for installing the convex pressure wheel 10, the first displacement adjusting nut 13 is sleeved on the displacement slide rod 12, the position of the first displacement adjusting nut 13 on the displacement slide rod 12 is adjusted, the position of the convex pressure wheel 10 in the Y-axis direction, namely the first direction, can be adjusted, when the position of the convex pressure wheel 10 is determined, the first displacement adjusting nut 13 is screwed down, so that the fixed position of the second displacement slide sleeve 9 is fixed, and the displacement slide rod 12, the second displacement slide sleeve 9, the first displacement adjusting nut 13 and the convex pressure wheel 10 form a first displacement adjusting assembly.
As shown in fig. 5, the convex pinch roller 10 has a first plane, a first curved surface, a second curved surface and a second plane, and two sides of the first plane and the second plane are respectively provided with a first curved surface and a second curved surface which are connected, and the first curved surface and the second curved surface are both convex surfaces.
Further, the curvature radius R4 of the first curved surface is 20mm-25mm, and the curvature radius R5 of the second curved surface is 1mm-5mm.
In addition, the displacement sliding rod 12 is further provided with a first displacement sliding sleeve 7, the first displacement sliding sleeve 7 is connected with the concave pressing wheel 8, a transmission shaft 6 penetrates through the displacement sliding rod 12, the first displacement sliding sleeve 7 and the concave pressing wheel 8 along the X-axis direction, and a preset gap is reserved between each concave pressing wheel 8 and the corresponding convex pressing wheel 10 for penetrating through the metal belt 15. The second displacement adjusting nut 14 is sleeved on the displacement sliding rod 12, the position of the second displacement adjusting nut 14 on the displacement sliding rod 12 is adjusted, the position of the first displacement sliding sleeve 7 in the Y-axis direction, namely the first direction, can be adjusted, and when the position of the concave pinch roller 8 is determined, the second displacement adjusting nut 14 is screwed, so that the position of the first displacement sliding sleeve 7 is fixed. The drive shaft 6, the first displacement slip cap 7 and the second displacement adjustment nut 14 constitute a second displacement adjustment assembly. Further, one end of the transmission shaft 6 is fixed through the support frame 5, and one end of the transmission shaft 6 is connected with the output end of a driving source, and the driving source can adopt a commercially available servo motor, and the model and the power of the driving source can be determined.
As shown in fig. 4, the concave pinch roller 8 has a third plane, a third curved surface, a fourth curved surface, a fifth curved surface and a fourth plane, and two sides of the third plane and the fourth plane are respectively provided with the third curved surface, the fourth curved surface and the fifth curved surface which are connected; the third curved surface and the fifth curved surface are convex surfaces, and the fourth curved surface is a concave surface.
Further, the curvature radius R2 of the third curved surface is 20mm-25mm, and the curvature radius R3 of the fifth curved surface is 6mm-8mm.
It should be noted that, for different products, the curvature radius R5 of the first curved surface, the curvature radius R5 of the second curved surface, the curvature radius R2 of the third curved surface, and the curvature radius R3 of the fifth curved surface have no obvious difference, and may be considered as a fixed value, and the curvature radius R1 of the fourth curved surface is designed according to the specific structure of the cable.
In order to ensure that the edges at both sides of the metal belt 15 are preformed in smooth transition, an included angle is formed between the central axis of the convex pressing wheel 10 and the central axis of the concave pressing wheel 8, and the size of the included angle is adjustable, and the specific adjustment mode is as follows:
the angle adjusting element 11 is arranged on one side of the convex pressing wheel 10, for example, a metal ring is used for clockwise or anticlockwise rotating the angle adjusting element 11 through a C-shaped wrench to control the angle of the convex pressing wheel 10, and then the included angle between the central axis of the convex pressing wheel 10 and the central axis of the concave pressing wheel 8 is adjusted, so that the situation that the metal belt 15 is deviated when being formed between the convex pressing wheel 10 and the concave pressing wheel 8 is prevented, the welding seam of the metal belt 15 is not directly above the metal belt 15 when the welding seam is discharged from a sizing die during subsequent welding, and the directly above here represents the directly above vertically upwards after the metal belt 15 is processed into a circular tube.
As shown in fig. 3, the working principle of the present embodiment is as follows:
at least one of the first displacement adjustment assembly, the second displacement adjustment assembly, and the base 1 is adjusted, and the metal belt 15 passes through the convex pinch roller 10 and the concave pinch roller 8 and is preformed on the edge of the metal belt 15 by the convex pinch roller 10 and the concave pinch roller 8.
Specifically, a driving source is started, and the output end of the driving source drives the transmission shaft 6 to rotate, so that the forming power of the dynamic forming pinch roller device is provided.
Before use, the movable adjusting screw rod 3 can be adjusted, the movable sliding rail 2 converts rotary motion into linear motion, and the two sliding seats are relatively close to or relatively far away from each other along the X-axis direction, so that the dynamic forming pinch roller device is adjusted to be centered.
The displacement adjusting screw rod 4 is adjusted to enable the first displacement sliding sleeve 7 to generate transverse displacement, namely the first displacement sliding sleeve 7 slides on the displacement adjusting screw rod 4 along the X-axis direction, the two side edges of the metal belt 15 are controlled to be just positioned at the center of the cambered surface of the concave pinch roller 8, meanwhile, the first displacement sliding sleeve 7 and the second displacement sliding sleeve 9 are controlled to move up and down on the displacement sliding rod 12, namely the first displacement sliding sleeve 7 and the second displacement sliding sleeve 9 slide on the displacement sliding rod 12 along the Y-axis direction, the gap between the concave pinch roller 8 and the convex pinch roller 10 is controlled, the metal belt 15 is controlled to be uniformly shaped and stressed between the gap, and meanwhile, the angle of the convex pinch roller 10 can be controlled by the C-shaped spanner clockwise or anticlockwise rotating the angle adjusting element 11.
The cables with different voltage levels and sections need to dynamically simulate the molding of the metal belt 15, calculate the molding width of the metal belt 15 and the like, and design the radian of the concave pinch roller 8, the radian of the convex pinch roller 10 and the angle of the convex pinch roller 10 and the like.
Example 2:
based on embodiment 1, as shown in fig. 6, a high voltage cable aluminum sheath dynamic molding pinch roller system includes a first station 16, a second station 17, a third station 18, a fourth station 19, a fifth station 20, and a sixth station 21.
Wherein the first station 16 employs an existing unreeling reel for unreeling the metal strip 15;
the second station 17 has a high voltage cable metal sheath dynamic forming pinch roller device as provided in example 1 for preforming both side edges of the metal belt 15; the adjusted metal belt 15 passes through the space between the concave pinch roller 8 and the convex pinch roller 10, and the height and the angle of the dynamic forming pinch roller device are adjusted according to the height of the subsequent third station 18, so that smooth transition preforming is realized on the edges of the two sides of the metal belt 15, dynamic stress is realized, forward thrust is provided, the direct extrusion force of a forming horn die of the third station 18 and the uniform tension force on the two sides of the metal belt 15 can be reduced to a great extent, the welding seam of a formed metal pipe is prevented from deviating, and the metal pipe is formed circularly;
the third station 18 is provided with 3-5 groups of forming horn dies shown in fig. 1, and is used for carrying out progressive longitudinal wrapping and folding on the metal belt 15;
the fourth station 19 is provided with a welder for welding the metal strip 15;
the fifth station 20 is for pulling the metal strip 15;
the sixth station 21 employs an existing reel for winding the metal strip 15.
The working principle of this embodiment is as follows:
s1, unreeling a metal belt 15 at a first station 16;
s2, performing pre-transition molding on two side edges of the metal belt 15 by a second station 17;
s3, gradually longitudinally wrapping the metal belt 15 into a circular tube by a third station 18;
s4, welding a metal belt 15 at a fourth station 19;
s5, a fifth station 20 pulls the metal belt 15, and reduces and extrudes the metal belt 15 to form a metal sheath;
s6, the metal sheath is wound to a winding disc at a sixth station 21.
Model YJPL03-Z64/110kV1600mm 2 For example, the metal shielding layer is designed into a flat aluminum sleeve (smooth, round and wrinkle-free uniform and continuous sealed aluminum tubular metal sleeve in the power cable), the flat aluminum sleeve is required to pass through the dynamic forming roller set by using a raw material aluminum belt with the design width of about 350mm, the gap between the convex roller 10 and the concave roller 8 is adjusted to be about 2.0mm-2.3mm, the aluminum belt passes through the gap between the concave roller 8 and the convex roller 10, and the forming heights of the concave roller 8 and the convex roller 10 are determined according to the forming of the subsequent third station 18 at the positions of the concave roller 8 and the convex roller 10 on the displacement sliding rod 12The central height of the horn die is adjusted, the convex pressing wheels 10 are adjusted to a proper angle, smooth transition preforming is carried out on the edges of two sides of an aluminum belt, the angles of the two convex pressing wheels 10 are kept consistent when the angles of the convex pressing wheels 10 are adjusted, the aluminum belt is prevented from deviating due to uneven stress in the starting process, meanwhile, a driving source in a dynamic forming device such as the rotating speed of a motor is set according to the speed of a welding machine, a linkage uniform speed mode is kept, 3-5 group formed horn dies of a third station 18 are used for forming gradually, aluminum pipes are gradually longitudinally included and gathered into round pipes after preforming, welding is carried out on the butt joint positions of the two sides of the aluminum belt through a welding gun of a fourth station 19, product production is completed through subsequent diameter shrinkage and extrusion molding procedures of a fifth station 20, and a sixth station 21 is used for rolling the product.
In the description of the embodiments of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.
Claims (10)
1. A dynamic forming pinch roller device of a high-voltage cable metal sheath is characterized in that: comprising the following steps:
the convex pinch roller assembly comprises a group of convex pinch rollers (10) and a first displacement adjusting assembly, wherein the convex pinch rollers (10) are arranged on the first displacement adjusting assembly, and the first displacement adjusting assembly is used for adjusting the position of the convex pinch rollers (10) in a first direction;
the concave pinch roller assembly comprises a group of concave pinch rollers (8) and a second displacement adjusting assembly, wherein the concave pinch rollers (8) are arranged on the second displacement adjusting assembly, and the second displacement adjusting assembly is arranged to adjust the position of the concave pinch rollers (8) in a second direction;
an included angle is formed between the central axis of the convex pressing wheel (10) and the central axis of the concave pressing wheel (8), and the size of the included angle is adjustable;
a base (1) arranged to adjust the direction and distance of movement of the first and second displacement adjustment assemblies;
adjusting at least one of the first displacement adjusting assembly, the second displacement adjusting assembly and the base (1), wherein a metal belt (15) passes through the convex pinch roller (10) and the concave pinch roller (8) and is preformed on the edge of the metal belt (15) through the convex pinch roller (10) and the concave pinch roller (8).
2. The high voltage cable metal sheath dynamic molding pinch roller device of claim 1, wherein: the base (1) comprises a base, a group of sliding seats, a movable sliding rail (2) and a movable adjusting screw rod (3), wherein the sliding seats are arranged on the base, the first displacement adjusting assembly is arranged on the sliding seats, the movable sliding rail (2) is connected with the movable adjusting screw rod (3), the movable sliding rail (2) is in sliding fit with the sliding seats, and the movable adjusting screw rod (3) is adjusted through the movable sliding rail (2) at the position of the sliding seats.
3. The high voltage cable metal sheath dynamic molding pinch roller device of claim 1, wherein: the convex pinch roller (10) is provided with a first plane, a first curved surface, a second curved surface and a second plane, wherein the two sides of the first plane and the second plane are respectively provided with the first curved surface and the second curved surface which are connected, and the first curved surface and the second curved surface are convex.
4. The high voltage cable metal sheath dynamic molding pinch roller device of claim 3, wherein: the curvature radius R4 of the first curved surface is 20mm-25mm, and the curvature radius R5 of the second curved surface is 1mm-5mm.
5. The high voltage cable metal sheath dynamic molding pinch roller device of claim 1, wherein: the first displacement adjusting assembly comprises a displacement sliding rod (12) and a first displacement adjusting nut (13), the displacement sliding rod (12) penetrates through the convex pressing wheel (10), the first displacement adjusting nut (13) is sleeved on the displacement sliding rod (12), and the first displacement adjusting nut (13) is used for adjusting the position of the convex pressing wheel (10) on the displacement sliding rod (12).
6. The high voltage cable metal sheath dynamic molding pinch roller device of claim 1, wherein: the concave pinch roller (8) is provided with a third plane, a third curved surface, a fourth curved surface, a fifth curved surface and a fourth plane, and the two sides of the third plane and the fourth plane are respectively provided with the third curved surface, the fourth curved surface and the fifth curved surface which are connected; the third curved surface and the fifth curved surface are convex surfaces, and the fourth curved surface is a concave surface.
7. The dynamic forming pinch roller device of high voltage cable metal sheath according to claim 6, wherein: the curvature radius R2 of the third curved surface is 20mm-25mm, and the curvature radius R3 of the fifth curved surface is 6mm-8mm.
8. The high voltage cable metal sheath dynamic molding pinch roller device of claim 1, wherein: the second displacement adjusting assembly comprises a displacement adjusting screw rod (4), a transmission shaft (6) and a first displacement sliding sleeve (7), the displacement adjusting screw rod (4) sequentially penetrates through the first displacement sliding sleeve (7) and the concave pressing wheel (8), and the first displacement sliding sleeve (7) is fixedly connected with the concave pressing wheel (8); the displacement adjusting screw rod (4) is connected with the transmission shaft (6), and one end of the transmission shaft (6) is connected with the output end of the driving source.
9. A high-voltage cable metal sheath dynamic molding pinch roller system is characterized in that: comprising the following steps:
a first station (16) for unreeling the metal strip (15);
a second station (17) with a dynamic forming pinch roller device for high-voltage cable metal sheath according to any one of claims 1-8, for preforming the two side edges of the metal strip (15);
a third station (18) for progressively wrapping and folding the metal strip (15);
-a fourth station (19) for welding the metal strip (15);
a fifth station (20) for dragging the metal strip (15);
a sixth station (21) for winding up the metal strip (15).
10. A metal sheath forming method of a dynamic forming pinch roller system using the metal sheath of the high voltage cable according to claim 9, comprising the steps of:
s1, a first station (16) unreels a metal belt (15);
s2, a second station (17) carries out pre-transition molding on the two side edges of the metal belt (15);
s3, gradually longitudinally wrapping and gathering the metal belt (15) into a circular tube by a third station (18);
s4, welding the metal belt (15) at a fourth station (19);
s5, a fifth station (20) pulls the metal belt (15), and diameter reduction and extrusion molding are carried out on the metal belt (15) to form a metal sheath;
s6, a sixth station (21) winds the metal sheath to a winding disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310578994.4A CN116487128B (en) | 2023-05-22 | 2023-05-22 | Dynamic forming pinch roller device, system and forming method for high-voltage cable metal sheath |
Applications Claiming Priority (1)
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| CN202310578994.4A CN116487128B (en) | 2023-05-22 | 2023-05-22 | Dynamic forming pinch roller device, system and forming method for high-voltage cable metal sheath |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117095879A (en) * | 2023-10-20 | 2023-11-21 | 浙江元通线缆制造有限公司 | Longitudinal wrapping equipment and cable longitudinal wrapping process |
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| US4476703A (en) * | 1980-06-17 | 1984-10-16 | Kaiser Steel (Delaware), Inc. | Edge preforming of metal plate |
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| JPH05317979A (en) * | 1992-03-25 | 1993-12-03 | Nippon Steel Corp | Method and stand for forming welded tube |
| JPH06277752A (en) * | 1993-03-29 | 1994-10-04 | Hideta Eng:Kk | Stretch type tube making device |
| CN210358678U (en) * | 2019-08-22 | 2020-04-21 | 石家庄中泰制管技术开发有限公司 | Rotary flat roller |
| CN115384021A (en) * | 2022-10-11 | 2022-11-25 | 江苏亨通高压海缆有限公司 | Multi-degree-of-freedom pressure adjustment longitudinal wrapping pinch roller device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4476703A (en) * | 1980-06-17 | 1984-10-16 | Kaiser Steel (Delaware), Inc. | Edge preforming of metal plate |
| CN86107514A (en) * | 1985-12-28 | 1987-07-08 | 株式会社中田制作所 | Format roll in the tuber, forming method and equipment thereof |
| JPH05317979A (en) * | 1992-03-25 | 1993-12-03 | Nippon Steel Corp | Method and stand for forming welded tube |
| JPH06277752A (en) * | 1993-03-29 | 1994-10-04 | Hideta Eng:Kk | Stretch type tube making device |
| CN210358678U (en) * | 2019-08-22 | 2020-04-21 | 石家庄中泰制管技术开发有限公司 | Rotary flat roller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117095879A (en) * | 2023-10-20 | 2023-11-21 | 浙江元通线缆制造有限公司 | Longitudinal wrapping equipment and cable longitudinal wrapping process |
| CN117095879B (en) * | 2023-10-20 | 2024-02-20 | 浙江元通线缆制造有限公司 | Longitudinal wrapping equipment and cable longitudinal wrapping process |
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| CN116487128B (en) | 2024-05-10 |
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