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CN-122006947-A - Wire coating system

CN122006947ACN 122006947 ACN122006947 ACN 122006947ACN-122006947-A

Abstract

The invention belongs to the technical field of fastener surface treatment, and relates to a wire coating system. The system comprises a coating chamber, wherein a feeding port and a discharging port are respectively formed in two opposite side walls of the coating chamber, a clamping feeding mechanism is arranged in the coating chamber, wires sequentially pass through a bending mechanism, a wire coating mechanism, a curing mechanism and a tension adjusting mechanism after passing through the clamping feeding mechanism and finally move out of the discharging port, a wire coating route formed by the bending mechanism, the wire coating mechanism, the curing mechanism and the tension adjusting mechanism is circular, and the wire coating mechanism comprises a primary coating assembly and a secondary coating assembly. The invention not only improves the adhesive force of the coating and the wire, the surface finish and the uniformity of the coating, but also can precisely control the wire curvature and greatly improve the suitability of the coating machine for multiple specifications of fasteners.

Inventors

  • WANG ZHIJIE
  • KANG KUNKUN
  • LIU YUHANG
  • TONG PUCHAO
  • SUN XIAOPING
  • LIU JUN

Assignees

  • 西部超导材料科技股份有限公司

Dates

Publication Date
20260512
Application Date
20260228

Claims (10)

  1. 1. A wire coating system is characterized by comprising a coating chamber (1), wherein a feeding port and a discharging port are respectively formed in two opposite side walls of the coating chamber (1), a clamping feeding mechanism (2) is arranged in the coating chamber (1), wires sequentially pass through a bending mechanism (4), a wire coating mechanism, a curing mechanism (10) and a tension adjusting mechanism (3) after passing through the clamping feeding mechanism (2), and finally are removed from the discharging port, a wire coating route formed by the bending mechanism (4), the wire coating mechanism, the curing mechanism (10) and the tension adjusting mechanism (3) is circular, and the wire coating mechanism comprises a primary coating assembly and a secondary coating assembly.
  2. 2. A wire coating system according to claim 1, characterized in that the clamping and feeding mechanism (2) comprises a feeding fixing seat (22), a transmission gear assembly (25) is arranged between a first panel and a second panel of the feeding fixing seat (22), a transmission wheel assembly fixedly connected with the transmission gear (25) is arranged on the outer side surface of the first panel, and a power system (26) fixedly connected with the transmission gear (25) is arranged on the outer side surface of the second panel.
  3. 3. A wire coating system according to claim 2, wherein the driving wheel assembly comprises a plurality of second driving wheels (23) fixedly connected with the feeding fixing seat (22), a sliding seat is arranged below each second driving wheel (23), a plurality of third driving wheels (24) are arranged on the sliding seat and are in driving connection with a piston rod of an air cylinder, and the air cylinder drives the sliding seat to drive the third driving wheels (24) to be close to or far away from the second driving wheels (23).
  4. 4. The wire coating system according to claim 1, wherein the bending mechanism (4) comprises a bending support (34) fixedly connected with the coating chamber (1), a supporting wheel (19) and a lifting module (21) are sequentially arranged on a vertical surface of the bending support (34) along a wire coating path, a first driving motor (15) is fixedly connected above the bending support (34), a gear box (16) is arranged at the output end of the first driving motor (15), a power distribution system is arranged in the gear box (16), a plurality of first driving wheels (17) are connected to a gear shaft of the power distribution system, and the supporting wheel (19) is located under the plurality of first driving wheels (17).
  5. 5. A wire coating system according to claim 1, wherein the primary and secondary coating assemblies are placed in respective thermostatic spaces (35), and wherein the primary and secondary coating assemblies each comprise an induction coil heater and a spraying device, the curvature of each of the induction coil heaters being in accordance with the bending curvature of the wire, and the wire passing sequentially through the induction coil heater and the spraying device during coating.
  6. 6. The wire coating system according to claim 5, wherein the spraying device comprises a stirring system (9) and a first material tank (8), the first material tank (8) comprises a detachably connected seepage wall, a plurality of seepage holes are formed in the seepage wall, a through hole for wires to pass through is formed in the bottom of the first material tank (8), a first material guide pipe and a second material guide pipe are respectively connected to the upper end and the lower end of the outer wall of the first material tank, and the other ends of the first material guide pipe and the second material guide pipe are both communicated with the stirring system (9).
  7. 7. The wire coating system according to claim 6, wherein the stirring system (9) comprises a second charging bucket (14), a stirring frame (13) is arranged in the second charging bucket (14), the upper end of the shaft lever of the stirring frame is connected with a hollow rotating platform (12), a funnel (11) is arranged on the hollow rotating platform (12), and the funnel is located below a through hole at the bottom of the first charging bucket (8).
  8. 8. A wire coating system according to claim 1, characterized in that the curing mechanism (10) employs a tube heater as the core heating unit, the curvature of which tube heater corresponds to the bending curvature of the wire.
  9. 9. A wire coating system according to claim 1, characterized in that the tension adjusting mechanism (3) comprises a mounting plate (32), a tension swing rod (28) is rotatably connected to the mounting plate (32), a first swing end of the tension swing rod (28) is provided with a wire pressing wheel (27) in contact with the wire, and a second swing end of the tension swing rod (28) is provided with a wire pulling sensor (29).
  10. 10. A wire coating system according to claim 1, characterized in that a number of rails (5) are arranged on the wire coating route, the bearing surfaces of the rails (5) being of a cross roller construction.

Description

Wire coating system Technical Field The invention belongs to the technical field of fastener surface treatment, and relates to a wire coating system. Background The wire coating device is core equipment in the field of titanium alloy fastener production and application, and the quality of a prepared coating directly determines the surface protection performance and service life of the titanium alloy fastener. At present, the mainstream titanium alloy fastener coating process generally adopts spraying and tubular heating modes to prepare a coating, and the coating liquid is uniformly attached to the surface of a titanium alloy wire by means of dipping, spraying or roller coating and the like, and then is subjected to heating and curing treatment to form a compact and stable coating on the surface of the wire, so that the purposes of protecting the surface of the fastener and strengthening the performance are finally realized. However, the process has the obvious technical defects that on one hand, the particle size distribution of atomized particles in the spraying process is uneven, the thickness of a coating on the surface of a wire is easy to fluctuate, and a local thick film or thin film area is formed, and on the other hand, the tubular heating furnace is used for coating and solidifying the wire from outside to inside, so that the problems of insufficient binding force between the inside of the coating and a wire substrate, coating falling off, cracking and the like in the subsequent processing or service process are easy to cause. The defects not only seriously affect the upsetting and drawing processing efficiency of the rear end of the wire, but also directly reduce the product qualification rate and the use reliability of the titanium alloy fastener. Therefore, in order to fundamentally improve the coating quality of the wire and improve the uniformity, compactness and adhesive force of the surface coating of the wire, the application particularly designs a wire coating system. Disclosure of Invention The invention aims to overcome the defects of the prior art, and provides a wire coating system which is used for realizing wire surface coating treatment and improving wire rear end upsetting and drawing processing efficiency. In order to achieve the above purpose, the present invention provides the following technical solutions: The invention discloses a wire coating system which comprises a coating chamber, wherein two opposite side walls of the coating chamber are respectively provided with a feeding hole and a discharging hole, a clamping feeding mechanism is arranged in the coating chamber, wires sequentially pass through a bending mechanism, a wire coating mechanism, a curing mechanism and a tension adjusting mechanism after passing through the clamping feeding mechanism and finally move out of the discharging holes, a wire coating route formed by the bending mechanism, the wire coating mechanism, the curing mechanism and the tension adjusting mechanism is circular, and the wire coating mechanism comprises a primary coating assembly and a secondary coating assembly. Further, the clamping feeding mechanism comprises a feeding fixing seat, a transmission gear assembly is arranged between a first panel and a second panel of the feeding fixing seat, a transmission wheel assembly fixedly connected with a transmission gear is arranged on the outer side face of the first panel, and a power system fixedly connected with the transmission gear is arranged on the outer side face of the second panel. Further, the driving wheel assembly comprises a plurality of second driving wheels fixedly connected with the feeding fixing seat, a sliding seat is arranged below each second driving wheel, a plurality of third driving wheels are arranged on the sliding seat and are in driving connection with a piston rod of the air cylinder, and the air cylinder drives the sliding seat to drive the third driving wheels to be close to or far away from the second driving wheels. The bending mechanism comprises a bending support fixedly connected with the coating chamber, a supporting wheel and a lifting module are sequentially arranged on the vertical surface of the bending support along a wire coating path, a first driving motor is fixedly connected above the bending support, a gear box is arranged at the output end of the first driving motor, a power distribution system is arranged in the gear box, a plurality of first driving wheels are connected on a gear shaft of the power distribution system, and the supporting wheel is located right below the plurality of first driving wheels. Further, the primary coating component and the secondary coating component are respectively placed in the corresponding constant temperature spaces, the primary coating component and the secondary coating component both comprise induction coil heaters and spraying devices, the curvature of each induction coil heater is consistent with the bending