Extrusion forming device for large-section split conductor of cable

Abstract

The utility model belongs to the technical field of cable manufacturing, and particularly relates to an extrusion forming device for a large-section split conductor of a cable, which comprises a base, a feeding assembly and a rolling assembly, an upper U-shaped mounting seat and a lower U-shaped mounting seat which are symmetrically distributed are mounted above the base, two sides of the interior of each mounting seat are respectively and rotatably connected with a connecting seat, and the connecting seats are connected with the feeding assembly and the rolling assembly. The other end of the connecting base is fixedly connected with a connecting disc, and an adjusting assembly is installed on the connecting disc. The forming grooves in different shapes are formed in the multiple sets of pressing wheels, various forming requirements of cable conductors are met, the first driver drives the connecting disc and the pressing wheels to rotate, the positions of the pressing wheels can be adjusted respectively, and compared with the prior art, rapid adjustment of the pressing wheels is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of cable manufacturing, in particular to an extrusion molding device for split conductors with large cross-sections of cables. Background Art

[0002] In high-frequency alternating current, the current tends to concentrate on the surface of the conductor, which is called the skin effect. Splitting the conductor can reduce the diameter of each strand, thereby reducing the impact of the skin effect, making the current distribution more uniform, and improving the current-carrying capacity of the conductor. At the same time, the design of the split conductor can make the cable more flexible, easier to install and use, and can provide better mechanical strength and toughness, reducing damage caused by bending or stretching. In the field of wires and cables, the cross-section conductors of power cables with a rated voltage of 750kV usually use special-shaped conductors. Split conductors generally have four-core, five-core, and six-core split types, among which five-core splits are the most common in China. The shapes of the split strands include fan-shaped, corrugated with a circle in the middle, etc. During the pressing process of the special-shaped cable conductors, there are usually two upper and lower pressing wheels that cooperate to press the conductor.

[0003] The existing Chinese patent with announcement number CN216127690U discloses a new type of cable special-shaped conductor pressure roller mold, including a base, a first mounting plate is provided above the base, and the first mounting plate is provided with two groups, a support plate is provided on the rear side of the first mounting plate, and the support plate is provided with two groups, a pressure roller assembly is provided between the two groups of first mounting plates and the two groups of support plates, a T-shaped slot is provided on the first mounting plate, a matching T-shaped plate is provided on the T-shaped slot, the T-shaped plate is installed in the T-shaped slot by bolts, and a circular slide groove is provided on the inner surface of the T-shaped plate.

[0004] In view of the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: when the device adjusts the shape of the cable's special-shaped conductor, it is necessary to disassemble and replace the corresponding pressure wheel, which is inconvenient to replace and needs to be improved; therefore, in response to the above problems, an extrusion molding device for large-section split conductors of cables is proposed. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the above-mentioned technical problems, the utility model provides an extrusion molding device for large-section split conductors of cables.

[0006] The technical solution adopted by the present invention to solve its technical problems is as follows: the present invention is an extrusion molding device for large-section split conductors of cables, comprising a base, a feeding assembly and a winding assembly, wherein two symmetrically distributed upper and lower U-shaped mounting seats are installed above the base, and the two sides of the interior of the mounting seats are respectively rotatably connected to the connecting seats, and the other end of the connecting seat is fixedly connected to the connecting disk, and an adjustment assembly is installed on the connecting disk, wherein the adjustment assembly comprises a plurality of T-shaped connectors and a driver 1, wherein the connector is annularly rotatably mounted on the connecting disk, and the connector is detachably connected to the pressure wheel through a clamping assembly, and the driver 1 is fixedly mounted on the side wall of the mounting seat, and the driving end of the driver 1 passes through the mounting seat and is fixedly connected to the connecting seat, and by arranging molding grooves of different shapes on multiple groups of pressure wheels, various molding requirements of cable conductors can be met, and by driving the connecting disk and the pressure wheel to rotate by the driver 1, the position of the pressure wheel can be adjusted respectively, and the pressure wheel with the required molding groove connected to the upper mounting seat is adjusted to the bottom, and the pressure wheel with the required molding groove connected to the lower mounting seat is adjusted to the top, thereby realizing rapid adjustment of the pressure wheel.

[0007] Preferably, the surfaces of several of the pressing wheels are respectively provided with forming grooves of different shapes, and the forming grooves can adopt a single or multiple shapes including circular, oblate, flat, triangular, fan-shaped, corrugated with a circle in the middle, etc. according to actual production requirements.

[0008] Preferably, the adjustment assembly further includes a second driver and a plurality of gear rings, wherein the second driver is fixedly mounted at the center of the connecting seat, and the gear ring is fixedly mounted at one end of the connecting head.

[0009] Preferably, the driving end of the driver 2 is fixedly connected with a gear, and the gear is meshed with the gear ring. When in use, the cable conductor is placed between the lowest pressure wheel of the upper mounting seat and the highest pressure wheel of the lower mounting seat. The driver 2 is operated, and the transmission cooperation of the gear and the gear ring drives the connector and the pressure wheel to rotate synchronously to press the cable conductor.

[0010] Preferably, a support frame is fixedly connected above the base, a hydraulic cylinder is symmetrically fixedly connected above the support frame, and the driving end of the hydraulic cylinder is fixedly connected to the upper mounting seat. The height of the upper mounting seat is adjusted by the hydraulic cylinder to control the distance between the upper and lower pressure wheels.

[0011] Preferably, the mounting seat below is fixedly connected to the base, and the feeding assembly and the winding assembly are respectively located on both sides of the mounting seat, and the feeding assembly and the winding assembly are respectively fixedly mounted on the base, the feeding assembly is used to convey the cable conductor, and the winding assembly is used to wind up the cable conductor after extrusion forming, wherein the feeding assembly and the winding assembly belong to the existing technology and are not described in detail here.

[0012] Preferably, the clamping assembly includes annular grooves provided at both ends of the pressure wheel, and the interior of the grooves is sequentially installed with a clamping ring and a spring from the outside to the inside, and the clamping ring is slidably installed in the interior of the groove. When installing the pressure wheel, the clamping ring is pressed into the interior of the groove, and then the pressure wheel is placed between the two connectors, and the clamping block is aligned with the clamping groove. The clamping ring pops out by the elastic force of the spring, so that the clamping block is inserted into the interior of the clamping groove, thereby realizing rapid clamping of the pressure wheel and the connector. When burrs are generated on the surface of the pressure wheel and it needs to be disassembled, the clamping rings on both sides of the pressure wheel are pressed until they are inside the groove, so that the pressure wheel can be quickly disassembled.

[0013] Preferably, the inner wall of the clamping ring is symmetrically provided with clamping grooves.

[0014] Preferably, the clamping assembly further comprises two clamping blocks fixedly mounted on the surface of the connector.

[0015] The utility model is beneficial in that:

[0016] 1. The utility model meets the various molding requirements of cable conductors by setting molding grooves of different shapes on multiple groups of pressure wheels. The connection disk and the pressure wheel are driven by a driver to rotate, and the position of the pressure wheel can be adjusted separately. Compared with the existing technology, the pressure wheel can be adjusted quickly.

[0017] 2. The utility model realizes the quick connection between the pressure wheel and the connector by inserting the clamping block into the inside of the clamping groove. When burrs appear on the surface of the pressure wheel and it needs to be disassembled, the clamping rings on both sides of the pressure wheel are pressed until they are inside the groove to quickly disassemble the pressure wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the mounting base and support frame of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0022] Figure 4 For this utility model Figure 3 Side view of

[0023] Figure 5This is a schematic diagram of the expanded structure of the feeding component of the utility model.

[0024] In the figure: 1. Base; 2. Mounting seat; 3. Connecting seat; 4. Connecting plate; 5. Adjusting assembly; 51. Connecting head; 52. Driver 1; 53. Driver 2; 54. Gear ring; 55. Gear; 6. Clamping assembly; 61. Groove; 62. Snap ring; 63. Spring; 64. Block; 65. Slot; 7. Forming groove; 8. Support frame; 9. Hydraulic cylinder; 10. Feeding assembly; 11. Winding assembly; 12. Pressing wheel. DETAILED DESCRIPTION

[0025] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] Example 1

[0027] See also Figure 1-4 As shown, an extrusion molding device for large-section split conductors of cables includes a base 1, a feeding assembly 10 and a winding assembly 11. Two symmetrically distributed upper and lower U-shaped mounting seats 2 are installed above the base 1. The two sides of the interior of the mounting seat 2 are rotatably connected to the connecting seat 3. The other end of the connecting seat 3 is fixedly connected to the connecting disk 4. An adjustment assembly 5 is installed on the connecting disk 4. The adjustment assembly 5 includes several T-shaped connectors 51 and a driver 52. The connector 51 is rotatably installed on the connecting disk 4 in an annular manner. The connector 51 is detachably connected to the pressure wheel 1 through the clamping assembly 6. 2. Driver 1 52 is fixedly mounted on the side wall of the mounting base 2, and the driving end of driver 1 52 passes through the mounting base 2 and is fixedly connected to the connecting base 3. By arranging forming grooves 7 of different shapes on multiple sets of pressing wheels 12, various forming requirements of cable conductors can be met. By driving the connecting disk 4 and the pressing wheel 12 to rotate through driver 1 52, the positions of the pressing wheels 12 can be adjusted respectively. The pressing wheel 12 with the required forming groove 7 connected to the upper mounting base 2 is adjusted to the bottom, and the pressing wheel 12 with the required forming groove 7 connected to the lower mounting base 2 is adjusted to the top, thereby realizing rapid adjustment of the pressing wheel 12.

[0028] The surfaces of the plurality of pressing wheels 12 are respectively provided with forming grooves 7 of different shapes. The forming grooves 7 can be single or multiple shapes including circular, oblate, flat, triangular, fan-shaped, corrugated with a circle in the middle, etc. according to actual production requirements.

[0029] The adjustment assembly 5 further includes a second driver 53 and a plurality of gear rings 54 . The second driver 53 is fixedly mounted at the center of the connecting seat 3 , and the gear ring 54 is fixedly mounted at one end of the connecting head 51 .

[0030] The driving end of driver 2 53 is fixedly connected with a gear 55, and the gear 55 is meshed with the gear ring 54. When in use, the cable conductor is placed between the bottom pressure wheel 12 of the upper mounting seat 2 and the top pressure wheel 12 of the lower mounting seat 2. The driver 2 53 is operated, and the transmission cooperation of the gear 55 and the gear ring 54 drives the connector 51 and the pressure wheel 12 to rotate synchronously to press the cable conductor.

[0031] A support frame 8 is fixedly connected to the top of the base 1, and a hydraulic cylinder 9 is symmetrically fixedly connected to the top of the support frame 8. The driving end of the hydraulic cylinder 9 is fixedly connected to the upper mounting seat 2. The height of the upper mounting seat 2 is adjusted by the hydraulic cylinder 9, thereby controlling the distance between the upper and lower pressure wheels 12.

[0032] The lower mounting seat 2 is fixedly connected to the base 1, and the feeding assembly 10 and the winding assembly 11 are respectively located on both sides of the mounting seat 2, and the feeding assembly 10 and the winding assembly 11 are respectively fixedly mounted on the base 1. The feeding assembly 10 is used to convey the cable conductor, and the winding assembly 11 is used to wind up the cable conductor after extrusion forming.

[0033] Example 2

[0034] For comparison with Example 1, please refer to Figure 5 As shown, the utility model provides another embodiment, the clamping assembly 6 includes annular grooves 61 opened at both ends of the pressure wheel 12, and the interior of the groove 61 is sequentially installed with a clamping ring 62 and a spring 63 from the outside to the inside. The clamping ring 62 is slidably installed in the interior of the groove 61. When installing the pressure wheel 12, the clamping ring 62 is pressed into the interior of the groove 61, and then the pressure wheel 12 is placed between the two connecting heads 51, and the clamping block 64 is aligned with the clamping groove 65. The clamping ring 62 is popped out by the elastic force of the spring 63, so that the clamping block 64 is inserted into the interior of the clamping groove 65, thereby realizing rapid clamping of the pressure wheel 12 and the connecting head 51. When burrs are generated on the surface of the pressure wheel 12 and it needs to be disassembled, the clamping rings 62 on both sides of the pressure wheel 12 are pressed until the interior of the groove 61, so that the pressure wheel 12 can be quickly disassembled.

[0035] The inner wall of the snap ring 62 is symmetrically provided with snap grooves 65 .

[0036] The clamping assembly 6 further includes two clamping blocks 64 fixedly mounted on the surface of the connector 51 .

[0037] Through the use of wires by those skilled in the art, all electrical components in this case are connected to their corresponding power supplies, and appropriate controllers should be selected to be electrically connected to the hydraulic cylinder 9, driver 1 52 and driver 2 53 according to actual conditions to meet control requirements. For specific connections and control sequences, reference should be made to the following working principle, in which the electrical components are electrically connected in the order in which they work. The detailed connection methods are well known in the art. The following mainly introduces the working principles and processes, and does not explain the electrical control.

[0038] Working principle: when in use, place the cable conductor between the bottom pressure wheel 12 of the upper mounting seat 2 and the top pressure wheel 12 of the lower mounting seat 2, run the driver 2 53, and through the transmission cooperation of the gear 55 and the gear ring 54, drive the connector 51 and the pressure wheel 12 to rotate synchronously to press the cable conductor.

[0039] By arranging forming grooves 7 of different shapes on multiple groups of pressing wheels 12, various forming requirements of cable conductors can be met. By driving the connecting disk 4 and the pressing wheel 12 to rotate through the driver 52, the positions of the pressing wheels 12 can be adjusted separately. The pressing wheel 12 with the required forming groove 7 connected to the upper mounting seat 2 is adjusted to the bottom, and the pressing wheel 12 with the required forming groove 7 connected to the lower mounting seat 2 is adjusted to the top, thereby realizing rapid adjustment of the pressing wheel 12.

[0040] When installing the pressure wheel 12, press the snap ring 62 into the inside of the groove 61, then place the pressure wheel 12 between the two connectors 51, and align the clamping block 64 with the clamping groove 65. The snap ring 62 pops out due to the elastic force of the spring 63, so that the clamping block 64 is inserted into the inside of the clamping groove 65, thereby realizing the rapid clamping of the pressure wheel 12 and the connector 51. When burrs appear on the surface of the pressure wheel 12 and need to be disassembled, press the snap rings 62 on both sides of the pressure wheel 12 until they are inside the groove 61, and the pressure wheel 12 can be quickly disassembled.

[0041] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0042] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. An extrusion molding device for large-section split conductors of cables, comprising a base (1), a feeding assembly (10) and a winding assembly (11), characterized in that: Two symmetrically distributed upper and lower U-shaped mounting seats (2) are installed above the base (1), and the two sides of the interior of the mounting seat (2) are rotatably connected to the connecting seat (3), and the other end of the connecting seat (3) is fixedly connected to the connecting disk (4). An adjustment component (5) is installed on the connecting disk (4), and the adjustment component (5) includes a plurality of T-shaped connecting heads (51) and a driver (52). The connecting head (51) is rotatably installed on the connecting disk (4) in an annular shape, and a pressure wheel (12) is detachably connected to the connecting head (51) through a clamping assembly (6). The driver (52) is fixedly installed on the side wall of the mounting seat (2), and the driving end of the driver (52) passes through the mounting seat (2) and is fixedly connected to the connecting seat (3).

2. The extrusion molding device for large-section split conductors of cables according to claim 1, characterized in that: The surfaces of the plurality of pressing wheels (12) are respectively provided with forming grooves (7) of different shapes.

3. The extrusion molding device for large-section split conductors of cables according to claim 1, characterized in that: The adjustment assembly (5) further comprises a second driver (53) and a plurality of toothed rings (54), wherein the second driver (53) is fixedly mounted at the center of the connecting seat (3), and the toothed rings (54) are fixedly mounted at one end of the connecting head (51).

4. The extrusion molding device for large-section split conductors of cables according to claim 3, characterized in that: The driving end of the second driver (53) is fixedly connected with a gear (55), and the gear (55) is meshedly connected with a gear ring (54).

5. The extrusion molding device for large-section split conductors of cables according to claim 1, characterized in that: A support frame (8) is fixedly connected above the base (1), a hydraulic cylinder (9) is symmetrically fixedly connected above the support frame (8), and a driving end of the hydraulic cylinder (9) is fixedly connected to the mounting seat (2) above.

6. The extrusion molding device for large-section split conductors of cables according to claim 1, characterized in that: The mounting seat (2) below is fixedly connected to the base (1), and the feeding assembly (10) and the winding assembly (11) are respectively located on both sides of the mounting seat (2), and the feeding assembly (10) and the winding assembly (11) are respectively fixedly mounted on the base (1).

7. The extrusion molding device for large-section split conductors of cables according to claim 1, characterized in that: The clamping assembly (6) comprises an annular groove (61) provided at both ends of the pressure wheel (12), a clamping ring (62) and a spring (63) being sequentially installed inside the groove (61) from the outside to the inside, and the clamping ring (62) being slidably installed inside the groove (61).

8. The extrusion molding device for large-section split conductors of cables according to claim 7, characterized in that: The inner wall of the clamping ring (62) is symmetrically provided with clamping grooves (65).

9. The extrusion molding device for large-section split conductors of cables according to claim 1, characterized in that: The clamping assembly (6) further comprises two clamping blocks (64) fixedly mounted on the surface of the connector (51).

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