Wire stranding preforming device

Abstract

The invention provides a wire stranding preforming device which comprises a supporting base plate, a center cylinder, a middle pre-twisting disc and two pre-twisting discs, the center cylinder is fixedly connected with the end face of one side of the supporting base plate, a front stranded wire core is arranged in the center cylinder and serves as a winding output attachment of a rear stranded wire, and the middle pre-twisting disc and the two pre-twisting discs are arranged in the center cylinder. And a plurality of flat cable guide wheels are arranged in the supporting chassis. In the working process, through real-time monitoring, production effects including real-time pitches, stranded wire outer diameters, single wire surface smoothness, pressing tension, single wire diameters, 'three-point one-wire conditions', alpha and beta angle conditions and the like are continuously collected, through data calculation and comparison with process theoretical data, optimization suggestions are given through intelligent analysis, research and judgment, and the production efficiency is improved. And through establishment of data models of different processes, direct adjustment is facilitated in the early stage of stranding and preforming work of wires of different processes or different materials, and the production efficiency is further improved.

Description

Technical Field

[0001] The invention relates to the technical field of wire twisting, in particular to a wire twisting preforming device. Background Art

[0002] In the modern power industry, overhead wires are an important medium for transmitting current, and their quality and performance are of vital importance. With the development of technology, the requirements for the stranding process of wires are becoming higher and higher, especially in the stranding process of materials such as steel-core aluminum stranded wires and aluminum alloy stranded wires with ultra-high voltage, large spans, and large cross-sectional areas. How to ensure the tightness, uniformity, and stability of the wires has become a technical problem that needs to be solved urgently.

[0003] In the conductor twisting preforming process, overhead conductors of different models and specifications have differences in diameter, material, strength, etc., and the preforming device needs to be manually adjusted before production. However, the current preforming device requires frequent adjustments and replacement of components for each single wire in turn, which takes a long time and effort, affecting production efficiency. In addition, errors or missed adjustments are prone to occur, and the stress difference accumulated by each single wire due to the preforming tension is amplified, which in turn affects the effect of conductor preforming. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a wire twisting preforming device, which solves the problems raised in the above-mentioned background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a conductor stranding preforming device, comprising a supporting chassis, a center tube, an intermediate pre-twisting disk and two pre-twisting disks, wherein the center tube is fixedly connected to one end face of the supporting chassis, a front stranded wire core is arranged in the center tube as a winding output attachment for the rear stranded wire, a plurality of wire arrangement guide wheels are installed in the supporting chassis, the wire arrangement guide wheels are arranged in a circular array, the wire arrangement guide wheels are used to guide the output of the stranded wire, the intermediate pre-twisting disk is installed on one side of the outer end face of the center tube, The two pre-twist disks are installed on the outer end surface of the central tube and are located on both sides of the middle pre-twist disk. A plurality of pre-twist grooves are provided in the pre-twist disks on both sides, and the positions of the pre-twist grooves are distributed in a circular array. A pre-twist wheel is rotatably provided in the pre-twist groove. A guide stabilizing disk is provided between the pre-twist disk on one side and the supporting chassis. The guide stabilizing disk is installed on the outer end surface of the central tube, and a plurality of stabilizing guide holes are provided in the guide stabilizing disk, and the positions of the stabilizing guide holes are distributed in a circular array. The guide stabilizing disk is connected to one end surface of the pre-twist disk via a translation rod.

[0006] Preferably, a translation shaft is rotatably provided on one end surface of the support chassis, the translation shaft is threadedly connected to the translation rod, and a translation motor is fixedly provided on the other end surface of the support chassis, and one end of the translation shaft is dynamically connected to the translation motor.

[0007] Preferably, a movable connecting rod is fixedly provided on one end surface of the intermediate pre-twist disk, and a threaded shaft is provided on one end surface of the supporting chassis. The threaded shaft passes through the guide stabilizing disk and the pre-twist disk on one side and is threadedly connected to the movable connecting rod.

[0008] Preferably, a movable motor is fixedly provided on the other end surface of the supporting chassis, and one end surface of the threaded shaft is dynamically connected to the movable motor.

[0009] Preferably, the middle pre-twist disk is provided with a plurality of downward pressure adjustment grooves which are connected through both sides of the opening, the downward pressure adjustment grooves are positioned in a ring array, a movable adjustment slider is provided in the downward pressure adjustment groove, a downward pressure wheel is rotatably provided in the adjustment slider, an adjustment shaft is rotatably provided on one side of the downward pressure adjustment groove, an adjustment screw which can move telescopically is threadedly connected to the adjustment shaft, and one end of the adjustment screw is mounted and connected to the adjustment slider.

[0010] Preferably, a transmission groove is provided in one side wall of the downward pressure adjustment groove, one end face of the adjustment shaft extends into the transmission groove and is fixedly connected with a bevel gear, and one end face of the intermediate pre-twist disk is rotatably provided with a plurality of transmission gears, the transmission gears are positioned in a circular array, and the transmission gears are meshed with the bevel gears.

[0011] Preferably, a disc-shaped rotating connecting disk is fixedly connected to the other end face of the intermediate pre-twist disk, a plurality of empty slots are provided in the rotating connecting disk, the empty slots are distributed in a ring array, the empty slots correspond to the positions of the downward pressure regulating slots, the outer end face of the rotating connecting disk is rotatably connected to a gear ring, the end face of the gear ring close to the intermediate pre-twist disk is provided with an annular gear groove and meshes with the transmission gear.

[0012] Preferably, a wire distribution disk is provided on one side of the pre-twist disk on the other side and the outer end surface of the central tube, and a plurality of wire distribution grooves which are opened and connected to each other are provided in the wire distribution disk, and the wire distribution grooves are arranged in a circular array, and a movable threading mold is provided in the wire distribution groove, and telescopic springs are fixedly connected between the end surfaces on both sides of the wire distribution mold and the two side walls of the wire distribution groove, and a wire distribution hole is provided in the wire distribution mold.

[0013] Preferably, a movable wire-joining die is installed on the front side of the central tube, and a diameter stabilizing disk is provided between the wire-joining die and the wire-dividing disk.

[0014] The present invention provides a conductor stranding preforming device having the following beneficial effects: 1. In the early stage of the preforming work of the conductor stranding, the terminal controller of the present invention can automatically adjust the positions of the main components such as the wire doubling die, the wire distribution disk, the pre-twisting disk and the intermediate pre-twisting disk according to the set process parameter requirements. After the position is adjusted, the diameter gauge measures the outer diameter of the stranded wire after the wire doubling die as a reference for subsequent adjustments. This beneficial effect is called static intelligent adjustment, which solves the tedious process of manual initial adjustment.

[0015] 2. During the working process, the present invention continuously collects production effects through real-time monitoring, including real-time pitch (uniformity and tightness of stranded wire), outer diameter of stranded wire (affected by single wire diameter), single wire diameter, single wire surface finish (whether single wire is worn), downward pressure tension (too large may cause single wire diameter to become smaller), friction (too large may cause single wire wear), downward pressure amount (adjusting pre-twist), lateral distance (adjusting pre-twist), "three points in one line", α and β angle conditions (related to downward pressure amount and lateral distance), etc. After data calculation and comparison with process theoretical data, intelligent analysis and judgment are made to give optimization suggestions. The suggestions include: ① Warning that the deviation between real-time data and process parameters exceeds the range, and indicating that this deviation will cause certain quality defects, prompting the operator whether to automatically adjust the device according to the process parameters; ② When executing new process production, automatically judge the measured data. If certain quality defects occur, intelligent suggestions are made to improve the process method, and prompt whether to automatically adjust the device in this way. This beneficial effect is called dynamic intelligent regulation, which replaces the manual and uninterrupted monitoring of product quality, and can identify phenomena, analyze causes, make suggestions and solve problems, and enter them into a large database at the same time.

[0016] 3. The present invention establishes data models of different processes, which facilitates direct retrieval of models in the early stage of wire twisting preforming work with different processes or different materials, further improving production efficiency and production quality to achieve intelligent control and management. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the appearance structure of the present invention; Figure 2 This is a front view of the appearance structure of the present invention; Figure 3 It is a front view of the appearance structure of the present invention; Figure 4 This is a perspective view of the appearance structure of the present invention; Figure 5 It is a side view of the appearance structure of the present invention; Figure 6 For the present invention Figure 3 Sectional view in the AA direction; Figure 7 It is a connection diagram of the transmission gear component of the present invention.

[0018] In the figure: 101, supporting chassis; 102, center tube; 103, guiding stabilizing disk; 104, pre-twisting wheel; 105, dividing disk; 106, threading die; 107, diameter stabilizing disk; 108, paralleling die; 109, front stranding core; 110, downward pressure regulating groove; 111, transmission groove; 112, umbrella gear; 113, middle pre-twisting disk; 115, transmission gear; 116, gear ring; 117, pre-twisting groove; 118, pre-twisting Twist plate; 119, stabilizing guide hole; 120, cable guide wheel; 122, branching slot; 123, telescopic spring; 124, moving connecting rod; 125, threaded shaft; 126, moving motor; 127, translation motor; 128, translation shaft; 129, translation rod; 130, rotating connecting plate; 131, empty slot; 132, branching hole; 133, adjusting shaft; 134, adjusting screw; 135, adjusting slider; 136, lower pressure wheel. DETAILED DESCRIPTION

[0019] The embodiment of the present invention provides a wire stranding preforming device, such as Figure 1-7 As shown, it includes a supporting chassis 101, a central tube 102, an intermediate pre-twisting disk 113 and two pre-twisting disks 118. The central tube 102 is fixedly connected to one end face of the supporting chassis 101. The central tube 102 is provided with a front stranded wire core 109 as a winding output attachment for the rear stranded wire. A plurality of wire arrangement guide wheels 120 are installed in the supporting chassis 101. The wire arrangement guide wheels 120 are arranged in a circular array. The wire arrangement guide wheels 120 are used to guide the output of the stranded wire. The intermediate pre-twisting disk 113 is installed on one side of the outer end face of the central tube 102. The two pre-twisting disks 118 are installed on the central tube 102. The outer end surface is located on both sides of the middle pre-twist disk 113, and a plurality of pre-twist grooves 117 are provided in the pre-twist disks 118 on both sides, and the pre-twist grooves 117 are arranged in a circular array. A pre-twist wheel 104 is rotatably arranged in the pre-twist groove 117, and a guide stabilizing disk 103 is provided between the pre-twist disk 118 on one side and the supporting chassis 101, and the guide stabilizing disk 103 is installed on the outer end surface of the center tube 102, and a plurality of stabilizing guide holes 119 are provided in the guide stabilizing disk 103, and the stabilizing guide holes 119 are arranged in a circular array, and the guide stabilizing disk 103 is connected to the end surface of one side of the pre-twist disk 118 through a translation rod 129.

[0020] Furthermore, a translation shaft 128 is rotatably provided on one end surface of the support chassis 101 , and the translation shaft 128 is threadedly connected to the translation rod 129 . A translation motor 127 is fixedly provided on the other end surface of the support chassis 101 , and one end of the translation shaft 128 is dynamically connected to the translation motor 127 .

[0021] It is worth noting that when the translation motor 127 is started, it can drive the translation shaft 128 to rotate, and then drive the translation rod 129 to telescopic movement through the threaded connection between the translation shaft 128 and the translation rod 129.

[0022] Furthermore, a movable connecting rod 124 is fixedly provided on one end surface of the middle pre-twist disk 113 , and a threaded shaft 125 is provided on one end surface of the supporting chassis 101 . The threaded shaft 125 passes through the guide stabilizing disk 103 and the pre-twist disk 118 on one side and is threadedly connected to the movable connecting rod 124 .

[0023] It should be further explained that both the pre-twisting disc 118 and the guide stabilizing disc 103 are provided with slots for the threaded shaft 125 to pass through.

[0024] Furthermore, a moving motor 126 is fixedly provided on the other end surface of the supporting chassis 101 , and one end surface of the threaded shaft 125 is dynamically connected to the moving motor 126 .

[0025] It is worth further explaining that when the moving motor 126 is started, it can drive the threaded shaft 125 to rotate, and then the threaded shaft 125 is threadedly connected with the moving connecting rod 124 to drive the moving connecting rod 124 to move.

[0026] Furthermore, a plurality of downward pressure adjusting grooves 110 are provided in the middle pre-twist disk 113, and the downward pressure adjusting grooves 110 are arranged in a ring array. A movable adjusting slider 135 is provided in the downward pressure adjusting groove 110, and a downward pressure wheel 136 is rotatably provided in the adjusting slider 135. An adjusting shaft 133 is rotatably provided on one side of the downward pressure adjusting groove 110, and an adjusting screw 134 capable of telescopic movement is threadedly connected to the adjusting shaft 133, and one end of the adjusting screw 134 is installed and connected to the adjusting slider 135.

[0027] Furthermore, a transmission groove 111 is provided in one side wall of the downward pressure adjustment groove 110, one side end face of the adjustment shaft 133 extends into the transmission groove 111 and is fixedly connected with a bevel gear 112, and one side end face of the intermediate pre-twist disk 113 is rotatably provided with a plurality of transmission gears 115, and the transmission gears 115 are positioned in a circular array, and the transmission gears 115 are meshed with the bevel gears 112.

[0028] Furthermore, a disc-shaped rotating connecting disk 130 is fixedly connected to the other end face of the middle pre-twist disk 113, and a plurality of empty slots 131 are provided in the rotating connecting disk 130. The empty slots 131 are distributed in a circular array, and each empty slot 131 corresponds to each downward pressure adjustment slot 110 in front and back positions. A gear ring 116 is rotatably connected to the outer end face of the rotating connecting disk 130, and an annular gear groove is provided on the end face of the gear ring 116 close to one side of the middle pre-twist disk 113 and meshes with the transmission gear 115.

[0029] It needs to be further explained that a rotating module is provided in the rotating connecting disk 130, and the rotating module can drive the gear ring 116 to rotate, and mesh with the transmission gear 115 through the gear ring 116, thereby driving the transmission gear 115 to rotate, and through the rotation of the transmission gear 115, driving the umbrella gear 112 to rotate. At this time, as the umbrella gear 112 rotates, it drives the adjustment shaft 133 to rotate, and drives the adjustment screw 134 to telescope through the threaded connection. At this time, as the adjustment screw 134 telescopes, it can move the adjustment slider 135 in the downward pressure adjustment groove 110 on each side, and then change the angle of the stranded wire input by changing the variable movement of the lower pressure wheel 136.

[0030] Furthermore, a wire distribution disk 105 is provided on one side of the pre-twisted disk 118 on the other side and on the outer end surface of the central tube 102. The wire distribution disk 105 is provided with a plurality of openings and connecting wire distribution grooves 122. The wire distribution grooves 122 are arranged in a circular array. A movable threading mold 106 is provided in the wire distribution groove 122. Telescopic springs 123 are fixedly connected between the end surfaces on both sides of the wire distribution mold 106 and the two side walls of the wire distribution groove 122. A wire distribution hole 132 is provided in the wire distribution mold 106.

[0031] It needs to be further explained that the branching hole 132 can facilitate the passing of a single wire, the branching disk 105 can be rotated for fine-tuning, and a fine-tuning motor is provided at the connection between the branching disk 105 and the center tube 102, which can be started by the fine-tuning motor to drive the branching disk 105 to rotate. When the friction between the single wire and the threading mold is severe, the loss caused by the friction can be reduced by fine-tuning by rotating left and right.

[0032] Furthermore, a movable wire-joining die 108 is installed on the front side of the central tube 102 , and a diameter stabilizing disk 107 is provided between the wire-joining die 108 and the wire-dividing disk 105 .

[0033] It is worth further explaining that both the diameter stabilizing disk 107 and the guide stabilizing disk 103 are provided with a through-hole detector, which can detect the diameter of the single wire passing through, and the forward power of the conductor is pulled and moved by the traction wheel arranged outside.

[0034] It should be further explained that the aperture detectors in the aperture stabilizing disk 107 and the guide stabilizing disk 103 can aggregate the signals and output them to the control terminal.

[0035] It is worth further explaining that the horizontal distance between the middle pre-twist disk 113 and the pre-twist disk 118 is controlled by the action time, action speed and action direction of the translation motor 127 and the moving motor 126, and the horizontal distance between the middle pre-twist disk 113 and the pre-twist disk 118 is calculated by the output data.

[0036] It is worth further explaining that the rotating module in the rotating connecting disk 130 is rotated and adjusted through the terminal signal connection, and the stranded wire is guided by the wire arrangement guide wheel 120 to move the single wire, and passes through the guide stabilizing disk 103, the pre-twisting disk 118 on both sides, the middle pre-twisting disk 113, the branching disk 105 and the diameter stabilizing disk 107, and finally converged through the line joining mold 108. The bottom of the line joining mold 108 is adjusted in position by the die seat, and the line joining mold can be adjusted and moved horizontally with the die seat. When the line joining mold moves, it can adjust the single wire passing through the pre-twisting disk 118, the branching disk 105 and the line joining mold 108 to be in a straight line. When the line joining mold is worn and the single wire rubs and squeezes against the wall of the branching hole, since the above three points are not in a straight line, the horizontal position is fine-tuned through the die seat to ensure that the passing single wire is in a straight line.

[0037] When using this solution, first drive the supporting chassis 101 to be installed to the front end of the stranding cage, and complete the installation of the guiding stabilizing disk 103, the pre-twisting disks 118 on both sides, the middle pre-twisting disk 113, the dividing disk 105 and the diameter stabilizing disk 107. At this time, the front stranded wire core is output through the central tube 102, and the monofilament is passed through the wire arrangement guide wheel 120, the guiding stabilizing disk 103, the pre-twisting disks 118 on both sides, the middle pre-twisting disk 113, the dividing disk 105 and the diameter stabilizing disk 107, and finally gathered through the wire combining mold 108. At this time, the overall device is ready for the subsequent pre-forming of the conductor stranding.

[0038] At this time, the system automatically calculates the pre-twist angle α based on the lateral distance and downward pressure amount obtained from the process data and stores it.

[0039] At this time, the position of the die seat at the bottom of the merging die 108 is adjusted, that is, the aggregation position of each single line is adjusted, and the horizontal position of the merging die 108 and the pre-twist disk 118 close to the side of the branching disk 105 is continued to be fine-tuned. At the same time, each single line is passed through the branching hole 132, and the single line does not touch or slightly touch the hole wall of the branching hole 132 in the upper and lower directions. The single line passes through the pre-twist disk 118, the branching disk 105 and the merging die 108 to achieve a three-point straight line in the side view direction. At this time, the single line entering the merging die forms a merging angle β with the horizontal direction, and the merging angle β is basically consistent with the pre-twist angle α. At this time, the position of the merging die 108 and the pre-twist disk 118 close to the side of the branching disk 105 is locked.

[0040] Then, the wire distribution disk 105 is rotated by fine-tuning the motor so that the single wire does not touch the hole wall of the wire distribution hole 132 in the left and right directions, and the single wire passes through the pre-twisting disk 118, the wire distribution disk 105 and the wire paralleling mold 108 to achieve a three-point straight line in the top view direction.

[0041] Subsequently, when the translation motor 127 is started, the translation shaft 128 can be driven to rotate, and then the translation rod 129 is driven to telescopic movement through the threaded connection between the translation shaft 128 and the translation rod 129. At the same time, when the mobile motor 126 is started, the threaded shaft 125 can be driven to rotate, and then the threaded connection between the threaded shaft 125 and the moving connecting rod 124 can be driven to move. At this time, the middle pre-twist disk 113 and the pre-twist disk 118 close to the guide stabilizing disk 103 are driven to move, and the positions of the middle pre-twist disk 113 and the pre-twist disk 118 close to the guide stabilizing disk 103 are adjusted according to the lateral distance (the distance between the two pre-twist disks 118) data set in the process, and the position of the middle pre-twist disk 113 is located in the middle of the two pre-twist disks 118, and the positions of the middle pre-twist disk 113 and the pre-twist disk 118 close to the guide stabilizing disk 103 are locked.

[0042] At this time, by guiding the diameter detector in the stabilizing disk 103, the diameter of the stranded wire passing through the stabilizing guide hole 119 is first measured, and the effect to be achieved by the stranded wire prefabrication process is started to start the rotating module provided in the rotating connecting disk 130. The rotating module can drive the gear ring 116 to rotate, and mesh with the transmission gear 115 through the gear ring 116, thereby driving the transmission gear 115 to rotate, and through the rotation of the transmission gear 115, the umbrella gear 112 is driven to rotate. At this time, as the umbrella gear 112 rotates, the adjusting shaft 133 is driven to rotate, and the adjusting screw 134 is driven to telescopically move through the threaded connection. At this time, as the adjusting screw 134 telescopically moves, the adjusting slider 135 in the downward pressure adjustment groove 110 on each side can be moved, and then by changing the guiding movement direction of the lower pressure wheel 136, the downward pressure amount is changed to achieve the angle of changing the stranded wire input. At this time, the single line below the lower pressure wheel forms a pre-twisted angle α with the horizontal direction. At this time, according to the angle reached by the solid line, the movement parameters of each component are output and recorded, and the data model required for this process is recorded to facilitate the next adjustment.

[0043] After the prefabrication and fine-tuning of the stranded wire is completed, the diameter detector in the diameter stabilizing plate 107 monitors the diameter of the single wire after being pressed down, and the stranded wire production work begins at this time.

[0044] After a period of production, the contact position between the wire joining mold 108 and the stranded wire is worn, which will cause the single wire position to shift. The single wire frequently rubs against the wall of the branch hole 132 and exerts pressure on the wall of the branch hole 132, causing the single wire to pass through the pre-twist disk 118, the branch disk 105 and the wire joining mold 108. The three points are not in a straight line. At this time, the wire joining angle β is inconsistent with the pre-twist angle α. When the friction and pressure of the single wire on the wall of the branch hole 132 exceed the threshold range, the terminal controller sends a command to fine-tune the horizontal position of the wire joining mold, or prompts to replace the wire joining mold, so as to realize intelligent control and management.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A conductor twisting preforming device, comprising a supporting chassis (101), a central tube (102), an intermediate pre-twisting disk (113) and two pre-twisting disks (118), characterized in that: The central tube (102) is fixedly connected to an end face of one side of the supporting chassis (101); a front stranded wire core (109) is provided in the central tube (102); a plurality of wire arrangement guide wheels (120) are installed in the supporting chassis (101); the wire arrangement guide wheels (120) are arranged in a circular array; the middle pre-twisting disk (113) is installed on one side of the outer end face of the central tube (102); two pre-twisting disks (118) are installed on the outer end face of the central tube (102) and are located on both sides of the middle pre-twisting disk (113); and a plurality of pre-twisting grooves are provided in the pre-twisting disks (118) on both sides. (117), the pre-twist grooves (117) are arranged in a circular array, a pre-twist wheel (104) is rotatably arranged in the pre-twist grooves (117), a guide stabilizing disk (103) is arranged between the pre-twist disk (118) on one side and the supporting chassis (101), the guide stabilizing disk (103) is mounted on the outer end surface of the central tube (102), a plurality of stabilizing guide holes (119) are arranged in the guide stabilizing disk (103), the stabilizing guide holes (119) are arranged in a circular array, and the guide stabilizing disk (103) is connected to one end surface of the pre-twist disk (118) via a translation rod (129).

2. A conductor stranding preforming device according to claim 1, characterized in that: A translation shaft (128) is rotatably provided on one end surface of the support chassis (101), the translation shaft (128) being threadedly connected to the translation rod (129), and a translation motor (127) is fixedly provided on the other end surface of the support chassis (101), one end of the translation shaft (128) being dynamically connected to the translation motor (127).

3. A conductor stranding preforming device according to claim 1, characterized in that: A movable connecting rod (124) is fixedly provided on one end surface of the intermediate pre-twisting disc (113), and a threaded shaft (125) is provided on one end surface of the supporting chassis (101). The threaded shaft (125) passes through the guiding stabilizing disc (103) and the pre-twisting disc (118) on one side and is threadedly connected to the movable connecting rod (124).

4. A conductor stranding preforming device according to claim 3, characterized in that: A moving motor (126) is fixedly disposed on the other end surface of the supporting chassis (101), and one end surface of the threaded shaft (125) is dynamically connected to the moving motor (126).

5. A conductor stranding preforming device according to claim 1, characterized in that: The middle pre-twist disk (113) is provided with a plurality of downward pressure adjustment grooves (110) which are connected through openings on both sides. The downward pressure adjustment grooves (110) are arranged in a ring array. An adjustment slider (135) is provided in the downward pressure adjustment groove (110). A downward pressure wheel (136) is rotatably provided in the adjustment slider (135). An adjustment shaft (133) is rotatably provided on one side of the downward pressure adjustment groove (110). An adjustment screw (134) is internally threadedly connected to the adjustment shaft (133). One end of the adjustment screw (134) is mounted and connected to the adjustment slider (135).

6. A conductor stranding preforming device according to claim 5, characterized in that: A transmission groove (111) is provided in one side wall of the downward pressure adjustment groove (110); one side end surface of the adjustment shaft (133) extends into the transmission groove (111) and is fixedly connected to a bevel gear (112); one side end surface of the intermediate pre-twist plate (113) is rotatably provided with a plurality of transmission gears (115); the transmission gears (115) are arranged in a circular array and mesh with the bevel gear (112).

7. A conductor stranding preforming device according to claim 6, characterized in that: The other end surface of the intermediate pre-twist disk (113) is fixedly connected to a rotating connection disk (130), and a plurality of empty slots (131) are provided in the rotating connection disk (130). The empty slots (131) are distributed in a ring array, and the positions of the empty slots (131) correspond to the downward pressure adjustment slots (110). The outer end surface of the rotating connection disk (130) is rotatably connected to a gear ring (116), and the end surface of the gear ring (116) close to one side of the intermediate pre-twist disk (113) is provided with an annular gear groove and meshes with the transmission gear (115).

8. A conductor stranding preforming device according to claim 1, characterized in that: A wire distribution plate (105) is provided on one side of the pre-twisted plate (118) on the outer end surface of the central tube (102), and a plurality of wire distribution grooves (122) are provided in the wire distribution plate (105) and are connected to each other through openings. The wire distribution grooves (122) are arranged in a circular array. A wire threading mold (106) is provided in the wire distribution groove (122). Telescopic springs (123) are fixedly connected between the end surfaces on both sides of the wire threading mold (106) and the two side walls of the wire distribution groove (122). A wire distribution hole (132) is provided in the wire threading mold (106).

9. A conductor stranding preforming device according to claim 8, characterized in that: A line-joining die (108) is installed on the front side of the central tube (102), and a diameter stabilizing disk (107) is provided between the line-joining die (108) and the line-dividing disk (105).

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