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CN-122025307-A - High-speed enamelled copper flat wire painting device and painting method thereof

CN122025307ACN 122025307 ACN122025307 ACN 122025307ACN-122025307-A

Abstract

The invention relates to the technical field of enamelled wire painting, in particular to a high-speed enamelled copper flat wire painting device and a painting method thereof, wherein the high-speed enamelled copper flat wire painting device comprises a cylinder body, a pressing plate and a felt clamped between the pressing plate and the cylinder body, wherein the pressing plate and the cylinder body are provided with U-shaped long grooves for the enamelled wire to pass through, and the self-adaptive clamping mechanism is arranged between the pressing plate and the cylinder body and is used for applying adjustable wrapping pressure to the enamelled wire passing through the felt and limiting multidirectional vibration of the enamelled wire; according to the high-speed enamelled copper flat wire painting device and the high-speed enamelled copper flat wire painting method, the coating of the felt is cooperated with the lateral guide wheel in the high-speed enamelled wire passing process, so that the enamelled wire is prevented from swinging transversely in the felt, the felt is prevented from being jacked up by vertical shaking of the enamelled wire, the multidirectional shaking of the enamelled wire in the painting process is remarkably reduced, and the wire is enabled to run more stably.

Inventors

  • WANG KAI
  • LIU XIN
  • WAN QUANHONG

Assignees

  • 无锡西玛梅达电工有限公司

Dates

Publication Date
20260512
Application Date
20260413

Claims (9)

  1. 1. The utility model provides a high-speed enamelled copper flat wire painting device, includes cylinder body (4), clamp plate (2) and presss from both sides felt (3) of locating between clamp plate (2) and cylinder body (4), has seted up U type elongated slot (41) that supply enameled wire (1) passed on clamp plate (2) and cylinder body (4), its characterized in that still includes: the self-adaptive clamping mechanism is arranged between the pressing plate (2) and the cylinder body (4) and is used for applying adjustable wrapping pressure to the enameled wire (1) passing through the felt (3) and limiting multidirectional vibration of the enameled wire; The self-adaptive clamping mechanism comprises an elastic compression assembly (6) arranged on the pressing plate (2) and anti-deflection guide wheel sets (7) arranged on two sides of a U-shaped long groove (41) of the cylinder body (4); The elastic compression assembly (6) comprises a compression shaft (61), a tension spring (62) and a compression block (63), wherein the compression shaft (61) penetrates through the compression plate (2) to be connected with the compression block (63), and the tension spring (62) is sleeved outside the compression shaft (61) and is abutted between the compression plate (2) and the compression shaft (61) to be used for adjusting the pressure of the compression block (63) on the felt (3); The anti-deviation guide wheel set (7) comprises lateral guide wheels (71) symmetrically arranged on opposite sides of the U-shaped long groove (41) and horizontal support wheels (72) arranged at the bottom of the U-shaped long groove (41), the axis of the lateral guide wheels (71) is perpendicular to the travelling direction of the enameled wire (1), and the axis of the horizontal support wheels (72) is parallel to the travelling direction of the enameled wire (1); The elastic floating mechanism (73) comprises a sleeve (731), a support (732) and a spring (733), wherein the support (732) is sleeved outside the sleeve (731) in a sliding mode, the spring (733) is sleeved outside the sleeve (731) and two ends of the spring are respectively fixed with the sleeve (731) and the support (732), and the lateral guide wheel (71) is rotatably arranged on the support (732).
  2. 2. The high-speed enamelled copper flat wire painting device according to claim 1 is characterized in that a frame body (42) is fixedly arranged on the outer wall of the cylinder body (4), the pressing plate (2) is slidably assembled in the frame body (42), a screw rod (43) is rotatably assembled in the frame body (42), and sleeves (731) corresponding to the two lateral guide wheels (71) in the U-shaped long groove (41) are connected to the screw rod (43) in a threaded mode and are used for adjusting the distance between the two lateral guide wheels (71).
  3. 3. The high-speed enamelled copper tape wire painting device according to claim 2, wherein the pressing shaft (61) comprises a sliding shaft (611) and a pressing bolt (612), the sliding shaft (611) is fixed on the pressing block (63) and extends to the outer side of the pressing plate (2), the pressing bolt (612) is in threaded connection with the end portion of the pressing shaft (61), the tension spring (62) is arranged between the pressing plate (2) and the pressing bolt (612), and the stretching length of the tension spring (62) is adjusted by rotating the pressing bolt (612).
  4. 4. The high-speed enamelled copper flat wire painting device according to claim 3 is characterized by further comprising a constant-temperature paint supply system, wherein the constant-temperature paint supply system comprises a paint supply pipeline (9), a paint return pipeline (10) and a temperature control device (11), the paint supply pipeline (9) comprises a paint supply box (91), a paint pump (92), a fine filter (93) and a paint supply main pipe (94) which are sequentially connected, the paint supply main pipe (94) is communicated with the interior of the cylinder body (4) through a distributor (95), the paint return pipeline (10) is arranged at the bottom of the cylinder body (4), a paint return pipe (5) communicated with the paint return pipeline (10) is inserted in the cylinder body (4), an upper end opening of the paint return pipe (5) is higher than a paint liquid level in the cylinder body (4), and the temperature control device (11) comprises a heating jacket (111) arranged on the outer wall of the cylinder body (4) and a temperature sensor (112) arranged in the paint supply box (91).
  5. 5. The high-speed enamelled copper tape wire painting device according to claim 4, wherein the upper end opening of the paint return pipe (5) is provided with an anti-vortex cover (51), the anti-vortex cover (51) is in an inverted bowl-shaped structure, and the side wall of the anti-vortex cover is provided with a plurality of liquid return holes (52).
  6. 6. The high-speed enamelled copper tape wire painting device according to claim 5, wherein a deflector (44) is arranged inside the cylinder (4), the deflector (44) is obliquely arranged at the bottom of the cylinder (4), the high end of the deflector (44) is positioned at the paint supply inlet, and the low end is positioned at the paint return pipe (5).
  7. 7. The high-speed enamelled copper tape wire painting device according to claim 6, wherein a gap adjusting mechanism (8) is arranged between the pressing plate (2) and the cylinder body (4), the gap adjusting mechanism (8) comprises a connecting block (81), an adjusting screw (82) and a threaded sleeve (83), the connecting block (81) is fixed at the end part of the pressing plate (2), the threaded sleeve (83) is fixed on the side wall of the frame body (42), the adjusting screw (82) is rotatably assembled in the connecting block (81), and the bottom end of the adjusting screw (82) is in threaded connection with the threaded sleeve (83).
  8. 8. A high-speed enamelled copper flat wire painting method, suitable for the high-speed enamelled copper flat wire painting device according to any one of claims 1-7, characterized in that it comprises the following steps: The adjusting step is that the distance between the two lateral guide wheels (71) is adjusted according to the width of the enameled wire (1), the gap between the pressing plate (2) and the cylinder body (4) is adjusted according to the thickness of the felt (3), and the pretightening force of the tension spring (62) is adjusted by rotating the compression bolt (612); A constant temperature paint supply system is started, so that paint liquid is uniformly fed into a cylinder body (4) through a paint supply pipeline (9) at a set temperature, and circulation flow is formed through a paint return pipeline (10); The enamelling step comprises the steps that an enamelled wire (1) passes through a U-shaped long groove (41) and a felt (3) from bottom to top, an elastic pressing assembly (6) enables a pressing block (63) to keep constant pressure on the felt (3), lateral guide wheels (71) of an anti-deflection guide wheel set (7) limit transverse swinging of the enamelled wire (1), a horizontal support wheel (72) supports the enamelled wire (1) and limits vertical shaking, and therefore stable and uniform enamelling of the enamelled wire (1) is achieved.
  9. 9. The high-speed enamelled copper tape wire painting method according to claim 8, wherein in the paint supplying step, the temperature of the paint liquid is controlled to be constant by the linkage of the heating jacket (111) and the temperature sensor (112), and the eddy current and air bubbles generated in the paint returning process are suppressed by the eddy current preventing cover (51).

Description

High-speed enamelled copper flat wire painting device and painting method thereof Technical Field The invention relates to the technical field of enamelled wire painting, in particular to a high-speed enamelled copper flat wire painting device and a painting method thereof. Background Enameled wires are key insulating materials of electrical equipment such as motors, transformers and the like, wherein the enameled rectangular copper wires are widely applied in high-current and high-power density scenes due to high slot filling rate and good heat dissipation performance. The quality of the insulating layer of the enamelled flat wire directly influences the reliability and the service life of the electrical equipment, and the painting process is a core link for determining the uniformity of the insulating layer. When the existing enameled wire is subjected to high-speed painting, transverse swing and vertical shaking are very easy to generate in the traction process of the enameled flat wire, especially when the width and thickness of the flat wire are relatively large and the wire passing speed is too high, shaking of the wire is more remarkable, multidirectional vibration of the wire can lead to uneven coating pressure of a felt on the wire, inconsistent thickness of a paint film is easy to cause, uniformity of an insulating layer is affected, the requirements of enameled flat wires of different specifications and different materials on the painting pressure are different, the compacting mechanism of the existing device is of a rigid fixing structure, the coating pressure is difficult to be adaptively adjusted according to the real-time running state of the wire or the width and thickness of the wire of different specifications, and uneven painting or clamping stagnation are easy to occur. Disclosure of Invention The invention provides a high-speed enamelled copper flat wire painting device and a painting method thereof, and aims to solve the problems that in the prior art, enamelled flat wires are easy to generate transverse swing and vertical shake in the traction process, and the wrapping pressure is difficult to be adjusted in a self-adaptive mode according to wire size fluctuation. The invention relates to a high-speed enamelled copper flat wire painting device, which comprises a cylinder body, a pressing plate and a felt clamped between the pressing plate and the cylinder body, wherein the pressing plate and the cylinder body are provided with U-shaped long grooves for enamelled wires to pass through, and the device also comprises: the self-adaptive clamping mechanism is arranged between the pressing plate and the cylinder body and is used for applying adjustable wrapping pressure to the enameled wire passing through the felt and limiting multidirectional vibration of the enameled wire; The self-adaptive clamping mechanism comprises an elastic compression assembly arranged on the pressing plate and anti-deflection guide wheel sets arranged on two sides of the U-shaped long groove of the cylinder body; The elastic compression assembly comprises a compression shaft, a tension spring and a compression block, wherein the compression shaft penetrates through the compression plate to be connected with the compression block, and the tension spring is sleeved outside the compression shaft and is abutted between the compression plate and the compression shaft, so that the compression block is used for adjusting the pressure of the compression block on the felt; The anti-deviation guide wheel set comprises lateral guide wheels symmetrically arranged on two opposite sides of the U-shaped long groove and a horizontal support wheel arranged at the bottom of the U-shaped long groove, the axis of the lateral guide wheel is perpendicular to the travelling direction of the enameled wire, and the axis of the horizontal support wheel is parallel to the travelling direction of the enameled wire; the elastic floating mechanism comprises a sleeve, a support and a spring, wherein the sleeve is sleeved outside the spring, the spring is sleeved outside the sleeve, two ends of the spring are respectively fixed with the sleeve and the support, and the lateral guide wheel is rotatably mounted on the support. Preferably, the outer wall of the cylinder body is fixedly provided with a frame body, the pressing plate is slidably assembled in the frame body, a screw rod is rotatably assembled in the frame body, and sleeves corresponding to the two lateral guide wheels in the U-shaped long groove are connected to the screw rod in a threaded manner and are used for adjusting the distance between the two lateral guide wheels. Preferably, the compression shaft comprises a sliding shaft and a compression bolt, the sliding shaft is fixed on the compression block and extends to the outer side of the compression plate, the compression bolt is in threaded connection with the end part of the compression shaft, the tension spring is arranged bet