CN-121972342-A - Powder recovery device for wire mesh processing

CN121972342ACN 121972342 ACN121972342 ACN 121972342ACN-121972342-A

Abstract

The invention provides a powder recovery device for processing a wire mesh, which is arranged between a spraying assembly and a heating furnace and comprises a cover body, a powder collecting assembly, a backflow box, a shielding assembly and a driving assembly, wherein the cover body is arranged above the wire mesh, the powder collecting assembly is arranged below the wire mesh and is provided with a collecting space corresponding to the wire mesh, a discharge hole is arranged at the bottom of the collecting space, the backflow box is arranged below the powder collecting assembly and is provided with a containing cavity, the backflow box is provided with a feed hole corresponding to the discharge hole and an extraction hole for connecting a suction structure, the shielding assembly is arranged at the feed hole and is provided with an open state capable of enabling powder to pass through and is provided with a blocking state for blocking the feed hole, and the driving assembly is arranged in the backflow box and is connected with the shielding assembly and is used for driving the shielding assembly to be switched to the blocking state when the suction structure is used for extracting air. The powder recovery device for processing the wire mesh can reduce the waste of epoxy resin powder and reduce the production cost.

Inventors

ZHANG ZHIQING
ZHENG XUELONG
ZHANG HAIYAN

Assignees

英凯模金属网有限公司
德州富蓝德过滤器有限公司

Dates

Publication Date: 20260505
Application Date: 20260305

Claims (10)

1. Powder recovery unit is used in wire mesh processing sets up between spraying subassembly and heating furnace, its characterized in that includes: The cover body is positioned above the wire mesh; The powder collecting assembly is positioned below the metal wire mesh and provided with an aggregate space corresponding to the metal wire mesh, and the bottom of the aggregate space is provided with a discharge hole; the reflux box is arranged below the powder collecting assembly and is provided with a containing cavity, and the reflux box is provided with a feed inlet corresponding to the discharge hole and an extraction hole for connecting the suction structure; The shielding assembly is arranged at the feed inlet, has an open state capable of allowing powder to pass through, and has a blocking state for blocking the feed inlet; the driving assembly is arranged in the backflow box and connected with the shielding assembly and is used for driving the shielding assembly to be switched to the blocking state when the suction structure is used for exhausting air.
2. The powder recovery device for wire mesh processing as defined in claim 1, wherein a rectangular opening is provided at a top end of the return tank, the rectangular opening being the feed port; The backflow box is provided with two side walls which are opposite in the horizontal direction, an auxiliary pipe for connecting the suction structure is arranged on one side wall, the auxiliary pipe forms the suction opening, and a plurality of unidirectional ventilation openings are arranged on the other side wall.
3. A powder recovery device for wire mesh processing as defined in claim 2, wherein the shielding assembly includes: The overturning baffle plates are arranged in the feed inlet at intervals, are rotationally connected with the reflux box through rotating shafts, and are horizontally arranged on the rotating axes, and any two adjacent rotating shafts are connected through belt transmission structure power; and each turnover baffle synchronously pitch and turn to open the feed inlet and form an open state, or block the feed inlet and form a blocking state.
4. A powder recovery device for wire mesh processing as defined in claim 3, wherein the feed inlet is provided with a receiving plate, the receiving plate being located above each of the turning baffles and being provided with a plurality of feed holes, and an upper caliber of each of the feed holes being larger than a lower caliber thereof.
5. A powder recovery device for wire mesh processing as defined in claim 3, wherein the drive assembly includes: The sliding frame is arranged in the accommodating cavity in a sliding way along the axial direction of the rotating shaft; the rotating rod is rotatably arranged in the accommodating cavity, and the rotating axis is vertically arranged; the driving gear is coaxially connected with the rotating rod; the rack is horizontally arranged on the sliding frame along the axial direction of the rotating shaft and is meshed with the driving gear; The transmission structure is used for enabling the rotating rod to be in power connection with one rotating shaft; the linkage structure is arranged in the auxiliary pipe, is connected with the sliding frame and is used for driving the sliding frame to horizontally slide when the suction structure is used for sucking air; and the elastic piece is arranged in the accommodating cavity and connected with the sliding frame and is used for continuously bouncing the sliding frame so as to keep the sliding frame to have a trend of being away from the auxiliary pipe.
6. The powder recovery device for wire mesh processing as defined in claim 5, wherein said transmission structure includes: The first bevel gear is coaxially connected with one of the rotating shafts; and the second bevel gear is coaxially connected with the rotating rod and meshed with the first bevel gear.
7. The powder recovery device for wire mesh processing as defined in claim 5, wherein a suction space is provided at an end of the auxiliary tube away from the return tank, and the linkage structure includes: The blocking piece is arranged in the auxiliary pipe in a sliding manner, one side, away from the material sucking space, of the blocking piece is provided with a feeding channel, and the feeding channel is used for being communicated with the material sucking space when the blocking piece slides towards the material sucking space; and one end of the connecting rod is connected with the plugging piece, and the other end of the connecting rod is connected with the sliding frame.
8. The powder recycling apparatus for wire mesh processing as set forth in claim 5, wherein a deflector is provided in the return tank, the deflector being located at a side of the rotating rod near the suction port for shielding powder near the rotating rod.
9. The powder recovery device for wire mesh processing as defined in claim 1, wherein the powder collection assembly comprises: The connecting frame is connected with the cover body, and a plurality of ball hinge seats are arranged in the connecting frame; The collecting hopper is in spherical hinge connection with each spherical hinge seat, the collecting space is formed inside the collecting hopper, and the discharging hole is formed in the bottom of the collecting hopper; the springs are arranged, are arranged on the side wall of the collecting hopper and are connected with the connecting frame; The vibrating structure is provided with a plurality of vibrating structures, each vibrating structure is provided with a vibrating end, and each vibrating end is in power connection with the collecting hopper.
10. The powder recovery device for wire-net processing as defined in claim 9, wherein each of the vibrating structures includes: the driving rod is rotatably arranged on the connecting frame; The cams are correspondingly arranged on the driving rods and form the vibration ends; The driving piece is arranged on the connecting frame, and the output end of the driving piece is in power connection with the driving rod.

Description

Powder recovery device for wire mesh processing Technical Field The invention belongs to the technical field of metal wire processing, and particularly relates to a powder recovery device for metal wire mesh processing. Background The epoxy resin sprayed on the surface of the metal wire mesh is a common surface treatment mode in the field of metal wire mesh processing, and has the core advantages of being capable of obviously enhancing the corrosion resistance and rust resistance of the metal wire mesh, effectively improving the wear resistance and mechanical strength of the metal wire mesh and greatly prolonging the service life of the metal wire mesh under complex working conditions, so that the epoxy resin sprayed on the surface of the metal wire mesh is widely applied to a plurality of industries such as chemical industry, building, filtration and the like. The spraying treatment process is generally completed on a continuous production line, and the specific flow is that after the wire mesh is released by an unreeling mechanism, stable conveying is realized by a feeding roller set, then the wire mesh enters a spraying procedure, epoxy resin powder is uniformly sprayed on the surface of the wire mesh by a spraying component, after the spraying is completed, the wire mesh is continuously conveyed into a heating furnace, the epoxy resin powder is melted and solidified by a high-temperature environment, finally, a protective coating firmly attached to the surface of the wire mesh is formed, and the solidified wire mesh is conveyed to a reeling device by a exporting mechanism to complete reeling, so that the complete processing flow is formed. However, in the actual production process, after the wire mesh is subjected to the spraying process, the surface-attached epoxy resin powder is not yet cured, and remains bonded to the surface of the wire mesh only by virtue of the initial tackiness, and the adhesion thereof is limited. In the process of conveying the epoxy resin powder from the spraying process to the heating furnace, the epoxy resin powder is affected by the gravity of the wire mesh, slight shaking caused by the rotation of the conveying roller set, the disturbance of the air flow in the production line environment and other factors, and part of the epoxy resin powder is easy to fall off from the surface of the wire mesh. The dropped powder not only can cause waste of raw materials and increase production cost, but also can scatter to the surface of production line equipment and the surrounding environment, thereby causing the problems of equipment pollution, maintenance cost increase and the like. Disclosure of Invention The embodiment of the invention provides a powder recovery device for processing a metal wire mesh, which aims to reduce the waste of epoxy resin powder and reduce the production cost. The powder recovery device for the metal wire mesh processing is arranged between a spraying assembly and a heating furnace and comprises a cover body, a powder collecting assembly, a backflow box, a shielding assembly and a driving assembly, wherein the cover body is arranged above the metal wire mesh, the powder collecting assembly is arranged below the metal wire mesh and is provided with a material collecting space corresponding to the metal wire mesh, a material outlet is arranged at the bottom of the material collecting space, the powder collecting assembly is connected with the cover body and surrounds to form a channel for the metal wire mesh to pass through, the backflow box is arranged below the powder collecting assembly and is provided with a containing cavity, the backflow box is provided with a material inlet corresponding to the material outlet and a suction opening for connecting a suction structure, the shielding assembly is arranged at the material inlet and is provided with an open state for enabling powder to pass through and is provided with a blocking state for blocking the material inlet, and the driving assembly is arranged in the backflow box and is connected with the shielding assembly and is used for driving the shielding assembly to switch to the blocking state when the suction structure is used for sucking air. In one possible implementation mode, the top end of the reflux box is provided with a rectangular opening, the rectangular opening is a feed inlet, the reflux box is provided with two side walls which are opposite in the horizontal direction, one side wall is provided with an auxiliary pipe for connecting a suction structure, the auxiliary pipe forms an extraction opening, and the other side wall is provided with a plurality of unidirectional ventilation openings. In some embodiments, the shielding assembly comprises a plurality of overturning baffles, the overturning baffles are arranged in the feed inlet at intervals, each overturning baffle is rotatably connected with the reflux box through a rotating shaft, the rotating axis is horizontally arranged, any two ad