Deviation adjusting execution unit for medium-voltage crosslinked polyethylene cable production line
Patent Information
- Application Number
- CN202422936658.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-11-29
AI Technical Summary
In existing cable production lines, the eccentricity adjustment of the inner shield layer and the insulation layer relies on manual screw adjustment, which requires high skills and is time-consuming, resulting in uneven product thickness and low yield.
The servo motor-driven eccentricity adjustment execution unit is combined with a gearbox and an eccentricity adjustment screw to achieve independent adjustment of the X-axis and Y-axis. The servo mechanism and eccentricity detection mechanism are used to perform fast and accurate eccentricity adjustment.
实现了电缆偏心的快速、精确调节，提高了电缆挤出壁厚的一致性，显著提升了电缆的良品率。
Smart Images
Figure CN223436366U_ABST
Abstract
Description
Technical Field
[0001] The utility model mainly relates to the field of cable eccentricity adjustment, in particular to an eccentricity adjustment execution unit for a medium-voltage cross-linked polyethylene cable production line. Background Art
[0002] In cable production, both domestically and internationally, eccentric adjustment of the inner shield, insulation, and outer shield is typically accomplished using two sets of perpendicular screws. Adjusting the tightness of these screws adjusts the die head's inner mold. This adjustment method requires exceptionally high skill levels, requiring extremely precise control of the number of turns and force of the adjustment bolts. Adjustment also requires extremely short timelines, necessitating quick judgment and action. Consequently, current adjustments to the die head's inner mold require highly skilled workers, and even skilled workers can still experience uneven product thickness and reduced yield rates. Utility Model Content
[0003] In order to solve the deficiencies of the prior art, the utility model provides a deviation adjustment execution unit for a medium-voltage cross-linked polyethylene cable production line, which can realize rapid and precise adjustment of the cable eccentricity.
[0004] In order to achieve the above-mentioned purpose, the present invention is realized through the following technical solutions:
[0005] A deviation adjustment execution unit for a medium-voltage cross-linked polyethylene cable production line includes a fixed bracket and an deviation adjustment unit. Two groups of the deviation adjustment units are vertically arranged on the outer frame of the fixed bracket. The deviation adjustment unit includes a mounting bracket, an deviation adjustment motor and an deviation adjustment screw. The mounting bracket is arranged on the outer side of the fixed bracket. The fixed bracket has a mounting hole. The deviation adjustment screw is installed through the mounting hole. A gear box is arranged between the deviation adjustment motor and the mounting bracket. The input shaft of the gear box is coaxially installed with the motor shaft of the deviation adjustment motor. The output shaft of the gear box is connected to the deviation adjustment screw through a coupling. The bottom of the deviation adjustment screw is fitted with a sliding block that is slidably connected to the adjustment bracket. The middle of the sliding block has a threaded hole that matches the deviation adjustment screw.
[0006] The input shaft and the output shaft of the gear box are arranged perpendicularly, so that the deviation adjustment motor and the deviation adjustment screw are relatively perpendicular.
[0007] The deflection adjusting screw is connected to the bearing at the bottom of the mounting frame, and the deflection adjusting screw is connected to the output shaft of the gear box through a coupling in the mounting frame.
[0008] The sliding block includes an adjustment plate and sliding pairs on both sides. The side of the adjustment bracket is provided with a sliding rail that matches the sliding pair. The sliding pair is slidably matched with the corresponding sliding rail.
[0009] The two groups of the deviation adjustment units are respectively located on two adjacent sides of the fixed bracket, and are used to adjust the X axis and the Y axis of the adjustment bracket.
[0010] Compared with the prior art, the beneficial effects of the present invention are:
[0011] The utility model can quickly adjust the X-axis and Y-axis of the adjustment bracket through the adjustment of the servo mechanism in conjunction with the eccentricity detection mechanism, so that the eccentricity of the cable can be quickly processed with high adjustment accuracy, so that the wall thickness of the extruded cable is consistent, and the yield rate of the cable is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Attachment Figure 1 It is a schematic diagram of the structure of the utility model;
[0013] Attachment Figure 2 This is a reference diagram of the utility model in use;
[0014] Attachment Figure 3 It is a partial enlarged structural diagram of part A of the utility model.
[0015] The numbers shown in the accompanying drawings are: 1. adjustment unit; 2. mounting hole; 3. threaded hole; 11. mounting frame; 12. adjustment motor; 13. adjustment screw; 14. gear box; 15. sliding block; 151. adjustment plate; 152. sliding pair. DETAILED DESCRIPTION
[0016] The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that these embodiments are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the contents of this invention, those skilled in the art may make various changes or modifications to the present invention, and that such equivalent forms also fall within the scope defined in this application.
[0017] like Figure 1-3 As shown, the utility model describes a medium-voltage cross-linked polyethylene cable production line deviation adjustment execution unit, which includes a fixed bracket and an deviation adjustment unit 1. The fixed bracket 1 serves as the installation position of the deviation adjustment unit 1. The fixed bracket is installed on the machine head. An adjustment bracket is provided inside the fixed bracket. The adjustment bracket is used to make indirect contact with the mold. The eccentricity of the cable extrusion is adjusted by adjusting the displacement of the bracket.
[0018] Two sets of deflection adjustment units 1 are vertically mounted on the outer frame of the fixed bracket, one on each side of the fixed bracket, corresponding to the X-axis and Y-axis adjustments of the internal adjustment bracket. The alternating action of the two deflection adjustment units 1 allows the adjustment bracket to move in any direction within the plane, thereby adjusting the eccentricity of the cable extrusion.
[0019] The adjustment unit 1 comprises a mounting frame 11, an adjustment motor 12, and an adjustment screw 13. The mounting frame 11 is positioned outside a fixed frame and fastened to the fixed frame by bolts. The fixed frame has a mounting hole 2, which serves as a passage for the adjustment screw 13. In this embodiment, the axis of the mounting frame 11 is coaxial with the axis of the mounting hole 2. The adjustment screw 13 is installed through the mounting hole 2 and is connected to a bearing at the bottom of the mounting frame 1. The adjustment screw 13 is connected to the output shaft of a gearbox 14 within the mounting frame 1 via a coupling. The gearbox 14 serves as the transmission mechanism for the adjustment motor 12, while the mounting frame 1 serves as the mounting mechanism for the power system. The gearbox 14 is positioned between the adjustment motor 12 and the mounting frame 11. The input shaft of the gearbox 14 is coaxially mounted with the motor shaft of the adjustment motor 12, and the output shaft of the gearbox is connected to the adjustment screw 13 via a coupling. The adjustment motor 12 utilizes a servo motor, which drives the adjustment screw 13 for precise adjustment.
[0020] A sliding block 15, slidably connected to the adjustment bracket, is mounted on the bottom of the yaw adjustment screw 13. The middle portion of the sliding block 15 has a threaded hole 3 that mates with the yaw adjustment screw 15. In this embodiment, the sliding block 15 comprises an adjustment plate 151 and two sliding pairs 152 symmetrically positioned on either side of the bottom of the adjustment plate 151, and the two sliding pairs 152 are not connected. The threaded hole 3 is located in the center of the adjustment plate 151, and the two sliding pairs 152 do not interfere with the threaded hole 3. The adjustment bracket has rails on the sides that mate with the sliding pairs 152. The sliding pairs 152 slidably engage with their corresponding rails. When adjusting the X-axis, the sliding pair 152 in the Y-axis direction slides relative to its corresponding rail. Conversely, when adjusting the Y-axis, the sliding pair 152 in the X-axis direction also slides relative to its corresponding rail. This allows independent adjustment of the X- and Y-axes without interference, thereby achieving eccentric adjustment of the cable extrusion.
[0021] Specifically, the input shaft and output shaft of the gearbox 14 are arranged perpendicularly, so that the adjustment motor 12 is relatively perpendicular to the adjustment screw 13. This structure allows the adjustment motor 13 to be installed on the side of the gearbox 14, thereby reducing the overall height of the adjustment unit 1 and saving installation space.
[0022] This device replaces the manual eccentricity adjustment action and can stably and quickly adjust the adjustment bracket through the drive of the servo motor, the transmission of the gear box 14, and the cooperation of the eccentricity adjustment screw 13 and the threaded hole 3, thereby quickly adjusting the eccentricity of the extruded cable.
Claims
1. A deviation adjustment execution unit for a medium voltage cross-linked polyethylene cable production line, comprising a fixed bracket and a deviation adjustment unit (1), characterized in that: The two groups of the deflection adjustment units (1) are vertically arranged on the outer frame of the fixed bracket, and the deflection adjustment unit (1) includes a mounting frame (11), a deflection adjustment motor (12) and a deflection adjustment screw (13). The mounting frame (11) is arranged on the outer side of the fixed bracket, and the fixed bracket has a mounting hole (2). The deflection adjustment screw (13) is installed through the mounting hole (2). A gear box (14) is arranged between the deflection adjustment motor (12) and the mounting frame (11). The input shaft of the gear box (14) is coaxially installed with the motor shaft of the deflection adjustment motor (12). The output shaft of the gear box is connected to the deflection adjustment screw (13) through a coupling. The bottom of the deflection adjustment screw (13) is matched with a sliding block (15) that is slidably connected to the adjustment bracket, and the middle of the sliding block (15) has a threaded hole (3) that matches the deflection adjustment screw (13).
2. The deviation adjustment execution unit for a medium voltage cross-linked polyethylene cable production line according to claim 1, characterized in that: The input shaft and the output shaft of the gear box (14) are arranged perpendicularly, so that the deviation adjustment motor (12) and the deviation adjustment lead screw (13) are relatively perpendicular.
3. The deviation adjustment execution unit for a medium voltage cross-linked polyethylene cable production line according to claim 1, characterized in that: The deflection adjusting screw (13) is connected to a bearing at the bottom of the mounting frame (11), and the deflection adjusting screw (13) is connected to an output shaft of a gear box (14) in the mounting frame (11) via a coupling.
4. The deviation adjustment execution unit for a medium voltage cross-linked polyethylene cable production line according to claim 1, characterized in that: The sliding block (15) comprises an adjustment plate (151) and sliding pairs (152) on both sides. The side of the adjustment bracket is provided with a slide rail that matches the sliding pair (152). The sliding pair (152) is slidably matched with the corresponding slide rail.
5. The deviation adjustment execution unit for a medium voltage cross-linked polyethylene cable production line according to claim 1, characterized in that: The two groups of deviation adjustment units (1) are respectively located on two adjacent sides of the fixed bracket and are used to adjust the X axis and Y axis of the adjustment bracket.