CN-121972614-A - Copper mold ear spraying system

Abstract

The invention relates to a release agent spraying system, in particular to a copper mold ear spraying system, the input end of an ear spraying pipe is connected with an ear release agent supplying system, the ear release agent supplying system comprises a mixing unit, the output ends of a release agent dry powder source, an atomization steam source and a compressed air source are respectively connected with the input end of the mixing unit through pipelines, valves are arranged on the pipelines, and the output end of the mixing unit is connected to the input end of the ear spraying pipe. The release agent of ear shower is by release agent dry powder, atomizing vapour and compressed air three-phase mixing formation semi-wet release agent spraying, can spray and cover the surface of waiting of copper mould ear region and form fine and smooth, comprehensive and difficult release agent membrane face that flows and drop, effectively promotes membrane face spraying quality. Meanwhile, by controlling the valve, the release agent dry powder deposited in the ear cavity is purged selectively and efficiently by utilizing high-pressure air or high-pressure water vapor, and the mixing unit, the ear spray pipe and even the nozzle are subjected to blockage cleaning.

Inventors

• QIAN QINGCHANG
• MENG FANWEI
• WANG WENBIN
• WANG KAI
• HUANG XIAOMING
• WANG BIN
• ZHU CHENGQIANG
• WU SHUJUN
• QIAN LONG

Assignees

• 铜陵有色金属集团股份有限公司

Dates

Publication Date

20260505

Application Date

20260209

Claims (9)

1. 1. The utility model provides a copper mould ear spraying system, includes ear shower (10), and the output of ear shower (10) is provided with nozzle (11) and the spout of nozzle (11) down that are used for spraying release agent to ear region (a 1) on copper mould (a), its characterized in that: the input of ear shower (10) be connected with ear release agent replenishment system (S), ear release agent replenishment system (S) include mixing element (20), release agent dry powder source (30), atomizing vapour source (40) and compressed air source (50)' S output is provided with the valve on the input and each pipeline through pipe connection mixing element (20) respectively, the output of mixing element (20) is connected to the input of ear shower (10).
2. 2. The copper mold ear spraying system according to claim 1, wherein the mixing unit (20) comprises a water-gas mixing gun (21) and a powder spraying gun (22), the output ends of the atomizing gas source (40) and the compressed gas source (50) are connected with the input end of the water-gas mixing gun (21), the output end of the water-gas mixing gun (21) is connected with the input end of the powder spraying gun (22), the output end of the powder spraying gun (22) is connected with the input end of the ear spraying pipe (10), and the output end of the release agent dry powder source (30) is connected with the input end of the powder spraying gun (22).
3. 3. The copper mold ear spraying system according to claim 2, wherein the atomizing gas source (40) comprises an atomizing water tank (41), a first normally closed servo valve (42) is arranged on a pipeline connecting the atomizing water tank (41) with the atomizing gas-water mixing gun (21), the compressed gas source (50) comprises a pneumatic station (51), the output end of the pneumatic station (51) is connected with a pressure tank (52), and the output end of the pressure tank (52) is connected with the input end of the first normally closed servo valve (42).
4. 4. A copper mold ear spraying system according to claim 3, characterized in that the output of the pressure tank (52) is connected to the nozzle (11) by means of a pipe and that a servo valve (53) is arranged on the pipe in the immediate vicinity of the nozzle (11).
5. 5. The copper mold ear spraying system according to claim 2, wherein the release agent dry powder source (30) comprises a dry powder stirring barrel (31) for storing release agent dry powder, the release agent in the dry powder stirring barrel (31) is conveyed to the powder spraying gun (22) by a conveying unit (32), and a second normally closed servo valve (33) is arranged on a pipeline connecting the dry powder stirring barrel (31) and the conveying unit (32).
6. 6. The copper mold ear spray system according to claim 5, wherein the delivery unit (32) is a diaphragm pump or a suction fan.
7. 7. The copper mold ear spraying system according to claim 1, wherein the ear spraying pipes (10) are arranged in two groups and are arranged corresponding to the two ear areas (a 1) on the copper mold (a), the ear spraying pipes (10) comprise horizontally arranged first pipe bodies (101), the middle parts of the first pipe bodies (101) are communicated with second pipe bodies (102), the input ends of the second pipe bodies (102) are connected with the output ends of the mixing units (20), when the copper mold (a) rotates to the lower side of the ear spraying pipes (10), the pipe length direction of the first pipe bodies (101) is arranged along the extending direction of the ear areas (a 1) of the copper mold (a), and the nozzles (11) are arranged on the first pipe bodies (101) at intervals along the pipe length direction.
8. 8. Copper mould ear spraying system according to claim 1, characterized in that the input of a main spray pipe (60) for spraying mould cavity main area (a 2) on the copper mould (a) is connected to the output of the mixing unit (20).
9. 9. The copper mold ear spraying system according to claim 1, wherein an image acquisition unit is arranged on the displacement path of the copper mold (a) and located on the upstream side of a spraying position where the ear spraying pipe (10) is located, the image acquisition unit is used for detecting the dust accumulation degree in the ear area (a 1), a laser sensor used for detecting the thickness of a mold cavity inner wall release agent film surface of the ear area (a 1) is arranged on the spraying position where the ear spraying pipe (10) is located, and the output ends of the image acquisition unit and the laser sensor and all components in the ear release agent replenishment system (S) are electrically connected with the controller.

Description

Copper mold ear spraying system Technical Field The invention relates to a release agent spraying system, in particular to a copper mold ear spraying system. Background In copper smelting, a disc casting machine is an important device for manufacturing a copper anode plate, and a copper die for forming the copper anode plate is arranged on the disc casting machine. As shown in fig. 1, the die cavity of the copper die a comprises a die cavity main area a2 for forming the plate body of the copper anode plate and an ear area a1 for forming the ear of the copper anode plate, and a release agent needs to be sprayed into the die cavity of the copper die a before molten copper is cast into the copper die a, so that the cooled copper anode plate is conveniently separated from the die cavity. In the technical scheme disclosed in the patent document with the name of 'a casting release agent recycling device, a casting release agent recycling method and a casting system thereof' (publication number is CN114618997A, hereinafter referred to as document 1), a release agent nozzle is arranged above a copper mold, and the release agent nozzle is used for spraying release agent to a mold cavity of the copper mold; The technical scheme disclosed in the patent document with the name of 'a flyback spraying device of a disc casting machine' (publication number CN204486762U, hereinafter referred to as document 2) comprises a control system, a servo motor, a speed reducer, a crank, a speed reducer mounting seat, a rotary shaft, a flyback bracket and a frame, wherein the bottom end of the flyback bracket is provided with a nozzle, the frame is provided with an ear nozzle, the flyback bracket can be driven to swing to drive the nozzle to spray release agent slurry on a casting mould in a reciprocating manner, and the ear nozzle on the frame can spray the mould ear of the casting mould. In the actual casting operation of the copper anode plate, whether the anode copper can be smoothly demoulded or not depends on the spraying quality of a release agent of an ear part of the copper mold in a great part, because when the copper anode plate is demoulded, the ejector rod a3 on the copper mold firstly needs to jack up the side of the ear part of the copper anode plate so as to facilitate mechanical equipment to grasp the formed copper anode plate. The scheme provided by the document 1 has the advantages that the shape of the cavity in the lug area on the copper die is complex, the mold release spray of the lug cavity is realized through the mold release spray nozzle arranged above the copper die in the middle, the problem that the bottom surface and the side wall of the lug cavity are poor in spray quality and the side wall opposite to the spray nozzle are easier to spray in a leakage mode can be solved, the scheme provided by the document 2 is used for independently arranging the lug spray nozzle at the position of the die ear of the casting die, although the spray quality of the lug cavity can be improved, the problem that the fine spray is required for the lug, the problem that the mold release agent in a slurry form is commonly adopted in the prior art is considered for spray coating, the slurry flow drop phenomenon easily occurs on the die wall, the spray thickness of the mold release agent is uneven, the spray quality is influenced, and secondly, the residual temperature of the copper die before spray is still high (about 200 ℃) is easy, the slurry type mold release agent is easy to remain on the inner wall of a pipeline to cause dry joint blockage is solved, and an efficient cleaning means is lacked in the prior art. Disclosure of Invention The invention provides a copper mold lug spraying system, which improves the spraying quality of mold cavity release agent and provides an effective and convenient cleaning means for a spraying pipeline. In order to achieve the purpose, the technical scheme is that the copper mold ear spraying system comprises an ear spraying pipe, wherein a nozzle for spraying release agent to an ear area on a copper mold is arranged at the output end of the ear spraying pipe, the nozzle is downward, the input end of the ear spraying pipe is connected with an ear release agent supplying system, the ear release agent supplying system comprises a mixing unit, the output ends of a release agent dry powder source, an atomization steam source and a compressed air source are respectively connected with the input end of the mixing unit through pipelines, valves are arranged on the pipelines, and the output end of the mixing unit is connected to the input end of the ear spraying pipe. Compared with the prior art, the mold release agent spraying device has the technical effects that the mold release agent of the ear spraying pipe is formed by mixing mold release agent dry powder, atomized steam and compressed air to form semi-wet mold release agent spraying, a fine, comprehensive and difficult-to-flow mold release agent