Smooth aluminum sleeve pressing device for cable manufacturing

Abstract

The invention discloses a smooth aluminum sheath pressing device for cable manufacturing, and relates to the technical field of cable manufacturing, the smooth aluminum sheath pressing device comprises a pressing mechanism and a smoothing mechanism, the pressing mechanism is used for tightly pressing an aluminum sheath outside a cable core; the flattening mechanism is arranged in front of the pressing mechanism in the conveying direction of the cable core, the flattening mechanism comprises a flattening assembly, the flattening assembly comprises a flattening driving part and a flattening plate, the flattening plate is arranged corresponding to the pressing and splicing position of the pressing mechanism, and the flattening plate is driven by the flattening driving part to move along the pressing and splicing position of the pressing mechanism. The flattening plate moves at a variable speed in the direction opposite to the conveying direction of the cable core, and the surface of one side, facing the cable core, of the flattening plate is in friction fit with the surface of the aluminum sheath; according to the smooth aluminum sheath pressing device, the flattening mechanism is arranged, and indentations on the surface of an aluminum sheath are rubbed and flattened by means of the flattening plate, so that concentrated discharge is prevented from being generated at the positions of the indentations.

Description

Technical Field

[0001] The invention belongs to the technical field of cable manufacturing, and in particular relates to a smooth aluminum sleeve pressing device for cable manufacturing. Background Art

[0002] With the development of national economic energy construction, electricity demand is increasing, voltage transmission level is getting higher and higher, new cable structures are constantly emerging, smooth aluminum sheathed cable is one of them. During processing, the smooth aluminum sheathed cable needs to be covered with the aluminum sheath on the outside of the cable core wire, and the aluminum sheath needs to fit tightly to eliminate capacitive discharge and improve the water-blocking performance of the cable.

[0003] The production of aluminum sheaths required for existing cable manufacturing, whether choosing to transform aluminum strips into tubular sheath layers by "argon arc welding" or directly producing seamless aluminum sheath tubes using a continuous extruder, must use "reducing" equipment to tightly wrap the smooth aluminum sheath around the outside of the cable insulation layer, that is, there must be no gap between the aluminum sheath and the tightly wrapped insulation layer, otherwise, there will be a defect of local discharge.

[0004] At present, most of the equipment for "shrinking" the aluminum sheath of cables is a roller mechanism, which uses multiple rollers to squeeze the aluminum sheath to achieve "shrinking". However, when multiple rollers distributed circumferentially extrude the aluminum sheath at one time, especially the joints of adjacent rollers, it is easy to cause indentations at the corresponding positions on the smooth aluminum sheath surface, and indentations are factors of concentrated discharge, which makes it impossible to guarantee the performance requirements of the cable in cable production. Summary of the invention

[0005] The purpose of the present invention is to provide a smooth aluminum sleeve pressing device for cable manufacturing with a simple structure and reasonable design in order to solve the above problems.

[0006] The present invention achieves the above-mentioned purpose through the following technical solutions:

[0007] A smooth aluminum sleeve pressing device for cable manufacturing, comprising:

[0008] A pressing mechanism, which is used to press the aluminum sheath tightly onto the outside of the cable core;

[0009] A smoothing mechanism is arranged in front of the clamping mechanism along the conveying direction of the cable core. The smoothing mechanism includes a smoothing assembly. The smoothing assembly includes a smoothing drive and a smoothing plate. The smoothing plate is arranged corresponding to the pressing and splicing position of the clamping mechanism. Under the drive of the smoothing drive, the smoothing plate moves in the opposite direction of the conveying direction of the cable core at a variable speed, and the surface of the smoothing plate facing the cable core is frictionally fitted with the surface of the aluminum sheath.

[0010] As a further optimization scheme of the present invention, the clamping mechanism includes a hydraulic telescopic member, an upper clamping roller and a lower clamping roller, the output end of the hydraulic telescopic member is fixedly connected to an upper support, the upper clamping roller is rotatably connected to the upper support, and the lower clamping roller is rotatably connected to the lower support, when the upper clamping roller is in the clamping position, the area between the upper clamping roller and the lower clamping roller is the clamping area, and the cable core coated with an aluminum sheath passes through the clamping area;

[0011] The number of the pressing and splicing positions of the upper pressing roller and the lower pressing roller is consistent with the sum of the number of the upper pressing roller and the lower pressing roller.

[0012] As a further optimization scheme of the present invention, the speed change movement rule of the smoothing plate is to accelerate first and then decelerate, wherein, when the smoothing plate moves along the conveying direction of the cable core under the drive of the smoothing drive member, the smoothing plate is spaced apart from the aluminum sheath.

[0013] As a further optimization scheme of the present invention, the smoothing drive component includes a motor, a fan wheel, a rocker arm, a slide plate, a spring sheet and a linear limit assembly, the output end of the motor is fixedly connected to the fan wheel, the end of the fan wheel away from the motor is rotatably connected to the rocker arm, the end of the rocker arm away from the fan wheel is rotatably connected to the slide plate, the slide plate is transmission-connected to the linear limit assembly, the linear limit assembly is used to constrain the slide plate to reciprocate linearly along the conveying direction of the cable core, the slide plate is fixedly connected to the spring sheet, the end of the spring sheet adjacent to the fan wheel is provided with a pressing plate, the pressing plate is fixedly connected to the smoothing plate, and a clearance groove is provided on the slide plate;

[0014] Among them, the impeller has a small-diameter arc surface and a large-diameter arc surface. When the large-diameter arc surface of the impeller rubs against the pressing plate, the smoothing plate frictionally fits against the aluminum sleeve; when the small-diameter arc surface of the impeller rubs against the pressing plate, the smoothing plate shifts to the clearance groove.

[0015] As a further optimization solution of the present invention, a shell is arranged outside the smoothing mechanism, and the shell is fixedly arranged on the workbench;

[0016] The linear limit assembly includes a limit seat, a limit block and a bracket. The side end of the limit seat is fixedly connected to the bracket, the bracket is fixedly connected to the shell, a slide groove is provided on the limit seat, the side end of the slide plate is fixedly connected to the limit block, and the limit block is slidably connected to the limit seat through the slide groove.

[0017] As a further optimization solution of the present invention, the material of the smoothing plate is selected to be soft material.

[0018] As a further optimization solution of the present invention, the smooth aluminum sleeve pressing device also includes a supporting assembly, and the supporting assembly includes a supporting plate, which is used to support the aluminum sleeve when the smoothing plate is in an initial position.

[0019] As a further optimization scheme of the present invention, the supporting assembly also includes a shift drive assembly, an outer gear ring, a wedge block, a protrusion and a baffle, the baffle is fixedly arranged at both ends of the limit seat, the shift drive assembly is transmission-connected to the outer gear ring, a guide block is fixedly connected to the inner side of the outer gear ring, the outer gear ring is rotatably connected to the baffle through the guide block, a wedge is also fixedly connected to the inner side of the outer gear ring, the inclined surface of the wedge block is in frictional contact with the protrusion, the protrusion is fixedly arranged at one end of the guide rod, the other end of the guide rod passes through the baffle and is slidably connected to the baffle, the end of the guide rod located outside the baffle is fixedly connected to a support plate, wherein the part of the guide rod located between the protrusion and the baffle is sleeved with a return spring.

[0020] As a further optimization scheme of the present invention, the shift drive assembly includes a gear, a screw and a connecting plate, the connecting plate is fixedly connected to the slide, the connecting plate is fixedly connected to the screw, the gear is rotatably arranged outside the baffle, and the screw is meshed with the gear for transmission.

[0021] As a further optimization solution of the present invention, the outer end of the baffle has an arc guide surface.

[0022] The present invention has at least the following beneficial effects: the smooth aluminum sheath pressing device for cable manufacturing of the present invention is provided with a pressing mechanism and a smoothing mechanism, the pressing mechanism is used to press the aluminum sheath tightly onto the outside of the cable core, the smoothing mechanism includes a smoothing assembly, and the surface indentations of the aluminum sheath are squeezed and rubbed by means of a smoothing plate in the smoothing assembly to smooth and eliminate the protruding indentations, thereby avoiding the problem of concentrated discharge at the position caused by the indentations;

[0023] Moreover, by means of the dynamic movement law of the stroking plate accelerating first and then decelerating, the stroking plate can achieve flexible dynamic extrusion and friction on the aluminum sheath, thereby realizing dynamic smoothing of the indentation on the surface of the aluminum sheath, avoiding the friction force of the stroking plate on the indentation area of ​​the aluminum sheath not being released in time due to the continuous and rapid movement of the stroking plate relative to the aluminum sheath, thereby affecting the smoothing effect of the indentation, and the rightward movement direction of the stroking plate is opposite to the leftward movement direction of the cable core, so that the relative displacement between the stroking plate and the aluminum sheath is increased, thereby improving the smoothing efficiency of the indentation of the aluminum sheath;

[0024] In addition, the cable core is supported by the support plate in the supporting assembly so that the cable core is located in the middle of multiple smoothing plates before the smoothing plate performs the smoothing operation, thereby preventing the cable core from sagging due to gravity and affecting the uniform smoothing effect of multiple smoothing plates on the aluminum sheath. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 The present invention Figure 1 A partial front structural diagram of ;

[0027] Figure 3 The present invention Figure 2 A schematic diagram of a top-view cross-sectional structure;

[0028] Figure 4 It is a partial cross-sectional structural schematic diagram of the smoothing component of the present invention;

[0029] Figure 5 It is a schematic diagram of a partial cross-sectional structure of a smoothing assembly of the present invention;

[0030] Figure 6 It is a structural schematic diagram of a skateboard of the present invention;

[0031] Figure 7 is a partial cross-sectional structural schematic diagram of the smoothing assembly of the present invention when it is in an initial position;

[0032] Figure 8 It is a partial cross-sectional structural schematic diagram of the supporting assembly of the present invention.

[0033] In the figure: 1, cable core; 2, aluminum sheath; 3, clamping mechanism; 31, hydraulic telescopic member; 32, upper support; 33, upper clamping roller; 34, lower clamping roller; 35, lower support; 4, smoothing mechanism; 41, smoothing assembly; 411, fan wheel; 412, swing rod; 413, spring sheet; 4131, pressing plate; 414, slide plate; 4141, clearance groove; 4142, limit block; 415, limit seat; 4151, slide; 4152, bracket; 416, smoothing plate; 417, motor; 42, supporting assembly; 421, connecting plate; 422, screw; 423, gear; 424, outer gear ring; 4241, guide block; 425, baffle; 426, wedge block; 427, bump; 4271, return spring; 4272, guide rod; 4273, support plate; 43, shell; 5, workbench. DETAILED DESCRIPTION

[0034] The present application is further described in detail below in conjunction with the accompanying drawings. It is necessary to point out here that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technical personnel in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0035] like Figures 1 to 8 As shown, the present invention provides a smooth aluminum sleeve pressing device for cable manufacturing, comprising:

[0036] A pressing mechanism 3, which is used to press the aluminum sheath 2 tightly onto the outside of the cable core 1;

[0037] The smoothing mechanism 4 is arranged in front of the clamping mechanism 3 along the conveying direction of the cable core 1. The smoothing mechanism 4 includes a smoothing component 41. The smoothing component 41 includes a smoothing drive and a smoothing plate 416. The smoothing plate 416 is arranged corresponding to the pressing and splicing position of the clamping mechanism 3. Under the drive of the smoothing drive, the smoothing plate 416 moves in the opposite direction of the conveying direction of the cable core 1 at a variable speed, and the surface of the smoothing plate 416 on one side facing the cable core 1 is frictionally fitted with the surface of the aluminum sheath 2.

[0038] In the above embodiment, the smoothing plate 416 is dynamically moved at variable speeds to achieve reciprocating smoothing of the indentations produced at the corresponding splicing positions of the aluminum sheath 2, thereby eliminating the indentations, ensuring the uniformity of the surface of the aluminum sheath after compression, and avoiding the formation of local weak points, thereby effectively preventing the electric field concentration caused by the weakness of the local area, which leads to discharge.

[0039] It should be noted that the conveying direction of the cable core 1 is Figure 2 The direction is shown by the dashed arrow.

[0040] For example, see Figure 1 and Figure 2 The clamping mechanism 3 includes a hydraulic telescopic member 31, an upper clamping roller 33 and a lower clamping roller 34. The output end of the hydraulic telescopic member 31 is fixedly connected to an upper support 32. The upper clamping roller 33 is rotatably connected to the upper support 32. The lower clamping roller 34 is rotatably connected to the lower support 35. When the upper clamping roller 33 is located at the clamping position, the area between the upper clamping roller 33 and the lower clamping roller 34 is the clamping area, and the cable core 1 coated with the aluminum sheath 2 passes through the clamping area.

[0041] The number of the pressing and splicing positions of the upper pressing roller 33 and the lower pressing roller 34 is consistent with the sum of the numbers of the upper pressing roller 33 and the lower pressing roller 34 .

[0042] It should be noted that Figure 1 and Figure 2 The number of upper pressing rollers 33 shown is one. At this time, the number of pressing and splicing positions of the upper pressing roller 33 and the lower pressing roller 34 is two. Therefore, the number of corresponding smoothing plates 416 set up subsequently is also two. In other embodiments, multiple upper pressing rollers 33 can also be set to make the multiple upper pressing rollers 33 and the lower pressing rollers 34 evenly distributed along the circumference of the cable core 1, so that the aluminum sheath 2 and the cable core 1 passing through the pressing area complete the "diameter reduction" pressing operation.

[0043] It should be further explained that the indentation of the aluminum sheath 2 is mainly caused by the fact that the upper pressing roller 33 and the lower pressing roller 34 are not neatly connected at the pressing and splicing position, and there is a gap, resulting in the aluminum sheath at this position not being completely covered, resulting in a convex indentation.

[0044] Exemplarily, the speed-changing movement rule of the smoothing plate 416 is to accelerate first and then decelerate, wherein, when the smoothing plate 416 moves along the conveying direction of the cable core 1 under the drive of the smoothing drive member, the smoothing plate 416 is spaced apart from the aluminum sheath 2 .

[0045] Continue reading Figure 3 , Figure 4 and Figure 7 , by touching the plate 416 along Figure 3 When the position shown moves to the right, the movement pattern of accelerating first and then decelerating is maintained, thereby realizing dynamic smoothing of the indentation on the surface of the aluminum sheath 2, avoiding the friction force of the smoothing plate 416 on the indentation area of ​​the aluminum sheath 2 not being released in time due to continuous and rapid movement of the smoothing plate 416 relative to the aluminum sheath 2, thereby affecting the indentation smoothing effect. In addition, the rightward movement direction of the smoothing plate 416 is opposite to the leftward movement direction of the cable core 1, so that the relative displacement between the smoothing plate 416 and the aluminum sheath 2 is increased, thereby improving the efficiency of smoothing the indentation of the aluminum sheath 2.

[0046] In one embodiment, continue to refer to Figure 4 and Figure 5 The smoothing drive component includes a motor 417, a fan wheel 411, a swing rod 412, a slide plate 414, a spring sheet 413 and a linear limit assembly. The output end of the motor 417 is fixedly connected to the fan wheel 411, and the end of the fan wheel 411 away from the motor 417 is rotatably connected to the swing rod 412. The end of the swing rod 412 away from the fan wheel 411 is rotatably connected to the slide plate 414. The slide plate 414 is transmission-connected to the linear limit assembly. The linear limit assembly is used to constrain the slide plate 414 to reciprocate linearly along the conveying direction of the cable core 1. The slide plate 414 is fixedly connected to the spring sheet 413, and a pressing plate 4131 is provided at one end of the spring sheet 413 adjacent to the fan wheel 411. The pressing plate 4131 is fixedly connected to the smoothing plate 416, and a clearance groove 4141 is provided on the slide plate 414;

[0047] Among them, the impeller 411 has a small-diameter arc surface and a large-diameter arc surface. When the large-diameter arc surface of the impeller 411 rubs against the pressing plate 4131, the smoothing plate 416 frictionally fits against the aluminum sleeve 2; when the small-diameter arc surface of the impeller 411 rubs against the pressing plate 4131, the smoothing plate 416 shifts to the clearance groove 4141.

[0048] For example, see Figures 1 to 7 The smoothing mechanism 4 is provided with a shell 43 on the outside, and the shell 43 is fixedly arranged on the workbench 5;

[0049] The linear limit assembly includes a limit seat 415, a limit block 4142 and a bracket 4152. The side end of the limit seat 415 is fixedly connected to the bracket 4152, and the bracket 4152 is fixedly connected to the shell 43. A slide groove 4151 is provided on the limit seat 415, and the side end of the slide plate 414 is fixedly connected to the limit block 4142. The limit block 4142 is slidably connected to the limit seat 415 through the slide groove 4151.

[0050] like Figure 4 In the position shown, at this time, driven by the motor 417, the impeller 411 rotates clockwise, and the impeller 411 drives the slide plate 414 to move rightward through the swing rod 412. The slide plate 414 moves rightward in a stable straight line under the mutual constraint of the limit block 4142 and the slide groove 4151. In this process, the large-diameter arc surface of the impeller 411 contacts and presses the pressing plate 4131, so that the smoothing plate 416 moves rightward synchronously with the slide plate 414, thereby smoothing the indentation on the surface of the aluminum jacket 2;

[0051] As the fan wheel 411 continues to rotate clockwise, Figure 7 As shown, the swing rod 412 drives the slide plate 414 to move leftward, and under the reset action of the spring sheet 413, the pressing plate 4131 contacts the small-path lake surface of the impeller 411. At this time, the smoothing plate 416 is stored in the clearance groove 4141.

[0052] It should be noted that the material of the smoothing plate 416 is a soft material, for example, a rubber plate or a soft plastic plate, which are relatively soft and will not cause further damage to the aluminum sheath 2. Using these soft plates can help disperse pressure and reduce additional damage to the aluminum sheath 2.

[0053] In one embodiment, continue to refer to Figure 3 , Figure 6 and Figure 8 The smooth aluminum sleeve pressing device also includes a supporting assembly 42, and the supporting assembly 42 includes a supporting plate 4273, and the supporting plate 4273 is used to support the aluminum sleeve 2 when the smoothing plate 416 is in the initial position.

[0054] It should be noted that the initial position of the caressing plate 416 is Figure 7 In the position shown, the smoothing plate 416 is located in the giving way groove 4141. At this time, the aluminum sheath 2 is not supported by the smoothing plate 416, and during the leftward movement of the smoothing plate 416, the aluminum sheath 2 is supported by the supporting plate 4273 to support the aluminum sheath 2, so that when the smoothing plate 416 performs the next smoothing operation, it is ensured that the cable core 1 and the aluminum sheath 2 are supported to the middle position of the plurality of smoothing plates 416, so as to avoid the cable core 1 from sagging due to gravity, which affects the uniform smoothing effect of the plurality of smoothing plates 416 on the aluminum sheath 2.

[0055] Exemplarily, the support assembly 42 also includes a shift drive assembly, an outer gear ring 424, a wedge block 426, a protrusion 427 and a baffle 425, wherein the baffle 425 is fixedly arranged at both ends of the limit seat 415, the shift drive assembly is transmission-connected to the outer gear ring 424, a guide block 4241 is fixedly connected to the inner side of the outer gear ring 424, and the outer gear ring 424 is rotationally connected to the baffle 425 through the guide block 4241, and the inner side of the outer gear ring 424 is also fixedly connected to the outer gear ring 424. A wedge block 426 is fixedly connected, and the inclined surface of the wedge block 426 frictionally contacts with the protrusion 427. The protrusion 427 is fixedly set at one end of the guide rod 4272. The other end of the guide rod 4272 passes through the baffle 425 and is slidably connected to the baffle 425. The end of the guide rod 4272 located outside the baffle 425 is fixedly connected to the support plate 4273, wherein the part of the guide rod 4272 located between the protrusion 427 and the baffle 425 is sleeved with a return spring 4271.

[0056] Exemplarily, the shift drive assembly includes a gear 423, a screw 422 and a connecting plate 421, wherein the connecting plate 421 is fixedly connected to the slide plate 414, and the screw 422 is fixedly connected to the connecting plate 421, and the gear 423 is rotatably arranged outside the baffle 425, and the screw 422 meshes with the gear 423 for transmission.

[0057] The slide plate 414 moves rightward, driving the screw rod 422 to move rightward synchronously, so that the transmission gear 423 moves along the Figure 8 The clockwise rotation in the direction shown causes the outer tooth ring 424 to rotate counterclockwise, and under the resetting action of the resetting spring 4271, the support plate 4273 moves outward, so that when the smoothing plate 416 performs the smoothing operation, the support plate 4273 does not need to be supported, and the support plate 4273 moves outward gradually to prevent the cable core 1 from sagging rapidly due to rapid loosening of the support; when the smoothing plate 416 finishes the smoothing operation, when the slide plate 414 moves to the left to the maximum displacement, under the reverse drive of the gear 423 and the outer tooth ring 424, the support plate 4273 moves inward to support the cable core 1, so that when the smoothing plate 416 starts the next smoothing operation, the cable core 1 is located in the middle position of multiple smoothing plates 416, thereby ensuring a uniform smoothing effect on the aluminum sheath 2.

[0058] It should be noted that the outer end of the baffle 425 has an arc guide surface, which is convenient for guiding the cable core 1 when passing through the limiting seat 415.

[0059] It should be noted that, when the smooth aluminum sheath pressing device for cable manufacturing is used, the cable core 1 coated with the aluminum sheath 2 on the outside is passed through the limit seat 415, and under the drive of the hydraulic telescopic member 31, the upper pressing roller 33 is moved down until the upper pressing roller 33 and the lower pressing roller 34 are spliced ​​together, so that the cable core 1 coated with the aluminum sheath 2 is located in the pressing area, and under the traction of the traction member (not shown in the figure), the cable core 1 is pulled along the Figure 2 The dotted arrow direction shown in FIG. 4 moves leftward, and driven by the motor 417, the fan wheel 411 rotates, and the swing rod 412 drives the slide plate 414 along the Figure 4 The position shown is moved rightward, and the caressing plate 416 is in frictional contact with the indentation position on the surface of the aluminum sheath 2. With the help of the friction between the caressing plate 416 and the aluminum sheath 2, the protruding indentation is smoothed and eliminated, and with the help of the variable speed dynamic movement of the caressing plate 416, the indentation of the aluminum sheath 2 is softly smoothed to avoid rigid violent extrusion and re-extrusion and scratching of the aluminum sheath 2. In the process of the caressing plate 416 moving rightward, the support plate 4273 moves outward to release the support for the cable core 1.

[0060] As the impeller 411 continues to rotate, the slide plate 414 begins to move left, so that the support plate 4273 moves inward under the meshing transmission of the gear 423 and the outer gear ring 424. When the slide plate 414 moves to the left to the maximum displacement, the support plate 4273 supports the cable core 1 against the contact, thereby ensuring that when the smoothing plate 416 performs the next smoothing operation, the cable core 1 remains in the middle position of the plurality of smoothing plates 416, ensuring that the smoothing plate 416 uniformly applies friction to the aluminum sheath 2, thereby ensuring the surface uniformity of the aluminum sheath 2.

[0061] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A smooth aluminum sleeve pressing device for cable manufacturing, characterized in that: include: A pressing mechanism (3), the pressing mechanism (3) being used to press the aluminum sheath (2) tightly onto the outside of the cable core (1); A smoothing mechanism (4) is arranged in front of the pressing mechanism (3) along the conveying direction of the cable core (1). The smoothing mechanism (4) comprises a smoothing assembly (41). The smoothing assembly (41) comprises a smoothing drive and a smoothing plate (416). The smoothing plate (416) is arranged corresponding to the pressing and splicing position of the pressing mechanism (3). Under the drive of the smoothing drive, the smoothing plate (416) moves in a variable speed in the opposite direction to the conveying direction of the cable core (1), and a surface of the smoothing plate (416) on one side facing the cable core (1) is frictionally fitted with the surface of the aluminum sheath (2).

2. A smooth aluminum sleeve pressing device for cable manufacturing according to claim 1, characterized in that: The clamping mechanism (3) comprises a hydraulic telescopic member (31), an upper clamping roller (33) and a lower clamping roller (34); the output end of the hydraulic telescopic member (31) is fixedly connected to an upper support (32); the upper clamping roller (33) is rotatably connected to the upper support (32); the lower clamping roller (34) is rotatably connected to the lower support (35); when the upper clamping roller (33) is located at the clamping position, the area between the upper clamping roller (33) and the lower clamping roller (34) is a clamping area, and the cable core (1) coated with an aluminum sheath (2) passes through the clamping area; The number of the pressing and splicing positions of the upper pressing roller (33) and the lower pressing roller (34) is consistent with the sum of the number of the upper pressing roller (33) and the lower pressing roller (34).

3. A smooth aluminum sleeve pressing device for cable manufacturing according to claim 1 or 2, characterized in that: The speed-changing movement rule of the smoothing plate (416) is to accelerate first and then decelerate, wherein, when the smoothing plate (416) moves along the conveying direction of the cable core (1) under the drive of the smoothing drive member, the smoothing plate (416) is spaced apart from the aluminum sheath (2).

4. A smooth aluminum sleeve pressing device for cable manufacturing according to claim 3, characterized in that: The smoothing drive component comprises a motor (417), a fan wheel (411), a swing rod (412), a slide plate (414), a spring sheet (413) and a linear limit assembly, wherein the output end of the motor (417) is fixedly connected to the fan wheel (411), one end of the fan wheel (411) away from the motor (417) is rotatably connected to the swing rod (412), one end of the swing rod (412) away from the fan wheel (411) is rotatably connected to the slide plate (414), and the slide plate (414) ) is transmission-connected to a linear limit assembly, the linear limit assembly is used to constrain the slide plate (414) to move back and forth linearly along the conveying direction of the cable core (1), the slide plate (414) is fixedly connected to a spring sheet (413), a pressing plate (4131) is provided at one end of the spring sheet (413) adjacent to the impeller (411), the pressing plate (4131) is fixedly connected to the smoothing plate (416), and a clearance groove (4141) is provided on the slide plate (414); The impeller (411) has a small-diameter arc surface and a large-diameter arc surface. When the large-diameter arc surface of the impeller (411) rubs against the pressing plate (4131), the smoothing plate (416) and the aluminum sleeve (2) are in frictional contact. When the small-diameter arc surface of the impeller (411) rubs against the pressing plate (4131), the smoothing plate (416) is displaced into the clearance groove (4141).

5. A smooth aluminum sleeve pressing device for cable manufacturing according to claim 4, characterized in that: The smoothing mechanism (4) is provided with a shell (43) outside, and the shell (43) is fixedly arranged on the workbench (5); The linear limiting assembly comprises a limiting seat (415), a limiting block (4142) and a bracket (4152); the side end of the limiting seat (415) is fixedly connected to the bracket (4152); the bracket (4152) is fixedly connected to the housing (43); a sliding groove (4151) is provided on the limiting seat (415); the side end of the slide plate (414) is fixedly connected to the limiting block (4142); and the limiting block (4142) is slidably connected to the limiting seat (415) via the sliding groove (4151).

6. A smooth aluminum sleeve pressing device for cable manufacturing according to claim 5, characterized in that: The material of the smoothing plate (416) is a soft material.

7. A smooth aluminum sleeve pressing device for cable manufacturing according to claim 6, characterized in that: The smooth aluminum sleeve pressing device further comprises a supporting assembly (42), wherein the supporting assembly (42) comprises a supporting plate (4273), and the supporting plate (4273) is used to support the aluminum sleeve (2) when the smoothing plate (416) is located at an initial position.

8. A smooth aluminum sleeve pressing device for cable manufacturing according to claim 7, characterized in that: The supporting assembly (42) further comprises a shift driving assembly, an outer gear ring (424), a wedge block (426), a protrusion (427) and a baffle (425), wherein the baffle (425) is fixedly arranged at both ends of the limiting seat (415), the shift driving assembly is transmission-connected to the outer gear ring (424), a guide block (4241) is fixedly connected to the inner side of the outer gear ring (424), the outer gear ring (424) is rotationally connected to the baffle (425) via the guide block (4241), and the inner side of the outer gear ring (424) is also fixedly connected to A wedge block (426) is provided, the inclined surface of the wedge block (426) is in frictional contact with the protrusion (427), the protrusion (427) is fixedly arranged at one end of a guide rod (4272), the other end of the guide rod (4272) passes through the baffle (425) and is slidably connected to the baffle (425), and the end of the guide rod (4272) located outside the baffle (425) is fixedly connected to a support plate (4273), wherein the portion of the guide rod (4272) located between the protrusion (427) and the baffle (425) is sleeved with a return spring (4271).

9. A smooth aluminum sleeve pressing device for cable manufacturing according to claim 8, characterized in that: The shift drive assembly comprises a gear (423), a screw rod (422) and a connecting plate (421); the connecting plate (421) is fixedly connected to the slide plate (414); the connecting plate (421) is fixedly connected to the screw rod (422); the gear (423) is rotatably arranged outside the baffle (425); and the screw rod (422) is meshed with the gear (423) for transmission.

10. A smooth aluminum sleeve pressing device for cable manufacturing according to claim 9, characterized in that: The outer end of the baffle (425) has an arc guide surface.

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