阅读说明：本技术 一种用于金属拉丝工艺用镀膜设备 (Coating equipment for metal wire drawing process ) 是由 仲福林 郜荣俊 单连琪 葛维生 于 2021-09-26 设计创作，主要内容包括：本发明涉及金属拉丝镀膜技术领域,尤其涉及一种用于金属拉丝工艺用镀膜设备。其技术方案包括：设备壳体,所述设备壳体内设置有将设备壳体内部空腔分为镀膜腔和处理腔的隔板,镀膜腔内设置有对金属丝导向并使其浸入镀膜液内的导轮组件；所述隔板上设置有位于处理腔内的清理箱,清理箱内设置有分流管；处理腔内还设置有驱动气缸,所述驱动气缸的活塞杆端部连接有保温外管,保温外管的另一端设置有将金属丝上的镀膜液均匀涂抹的空心刮取柱体。本发明通过额外对镀膜液的补充及涂匀步骤,有效避免了由于传动损耗导致的镀膜不均匀问题,避免镀膜液浪费；降低了生产成本。(The invention relates to the technical field of metal wire drawing and film coating, in particular to a film coating device for a metal wire drawing process. The technical scheme comprises the following steps: the device comprises a device shell, wherein a partition plate which divides an inner cavity of the device shell into a coating cavity and a treatment cavity is arranged in the device shell, and a guide wheel assembly which guides a metal wire and enables the metal wire to be immersed in coating liquid is arranged in the coating cavity; a cleaning box positioned in the treatment cavity is arranged on the partition plate, and a flow dividing pipe is arranged in the cleaning box; the treatment chamber is also internally provided with a driving cylinder, the end part of a piston rod of the driving cylinder is connected with a heat-insulating outer pipe, and the other end of the heat-insulating outer pipe is provided with a hollow scraping cylinder for uniformly coating the coating liquid on the metal wire. The invention effectively avoids the problem of uneven film coating caused by transmission loss and avoids the waste of the film coating liquid through the additional steps of supplementing and uniformly coating the film coating liquid; the production cost is reduced.)

1. The utility model provides a be used for metal wire drawing coating equipment for technology, includes equipment casing (2), its characterized in that: a partition plate (1) which divides the inner cavity of the equipment shell (2) into a coating cavity and a treatment cavity is arranged in the equipment shell (2), and a guide wheel assembly (3) which guides the metal wire and enables the metal wire to be immersed in coating liquid is arranged in the coating cavity;

a cleaning box (11) positioned in the treatment cavity is arranged on the partition plate (1), and a shunt pipe (15) is arranged in the cleaning box (11); a driving cylinder (7) is further arranged in the treatment cavity, the end part of a piston rod of the driving cylinder (7) is connected with a heat-insulating outer pipe (5), and a hollow scraping cylinder (14) for uniformly coating the coating liquid on the metal wire is arranged at the other end of the heat-insulating outer pipe (5).

2. The coating equipment for the metal wire drawing process according to claim 1, wherein a negative pressure shell a (9) and a negative pressure shell b (8) arranged on the negative pressure shell a (9) are arranged in the cleaning cavity, a driving motor (10) is arranged on the negative pressure shell b (8), an output shaft of the driving motor (10) extends into the negative pressure shell a (9) through a driving shaft, and impellers respectively arranged in the negative pressure shell b (8) and the negative pressure shell a (9) are arranged on the driving shaft.

3. The coating equipment for the metal wire drawing process according to claim 2, wherein the negative pressure shell b (8) is communicated with the outside air through an air inlet pipe, and the negative pressure shell b (8) supplies air flow to the heat preservation outer pipe (5) through an air outlet pipe (6);

the negative pressure shell a (9) is communicated with the coating cavity through a liquid inlet pipe, the negative pressure shell a (9) is connected with the shunt pipe (15) through the liquid outlet pipe (4) to form a fluid passage for supplying coating liquid to the shunt pipe (15), and the shunt pipe (15) is provided with a plurality of spray headers facing downwards.

4. The coating equipment for the metal wire drawing process according to claim 3, wherein a heat conduction pipe (13) is arranged in the heat insulation outer pipe (5), a plurality of air inlets are uniformly formed in the outer surface of the heat conduction pipe (13), and a spiral heating wire (12) is arranged outside the heat conduction pipe (13).

5. The coating equipment for the metal wire drawing process according to claim 1 or 2, wherein a plurality of scraping blades (141) for scraping the coating liquid on the surface of the metal wire are arranged on the inner side of the hollow scraping cylinder (14), and through holes positioned on the same axis are formed in the central parts of the scraping blades (141) and the hollow scraping cylinder (14).

6. The coating equipment for the metal wire drawing process according to claim 5, wherein the cleaning box (11) is provided with a circular hole for the hollow scraping cylinder (14) to enter and exit the cleaning box (11).

7. The coating equipment for the metal drawing process according to claim 1 or 2, wherein the partition plate (1) is provided with a flow guide chute which enables the inner cavity of the cleaning box (11) to be communicated with the coating cavity.

8. The coating device for the metal wire drawing process according to claim 1 or 3, wherein a cover plate for sealing the treatment chamber and the coating chamber is detachably connected to the device shell (2).

Technical Field

The invention relates to the technical field of metal wire drawing and film coating, in particular to a film coating device for a metal wire drawing process.

Background

Chinese patent with the publication number of CN212962705U discloses a wire drawing and coating device for steel wires, which mainly solves the technical problems that drying is not performed in time after beryllium films are treated on the surfaces of steel wires, coating films are easy to scrape and fall off, and coating colors are not uniform, so that troubles are brought to workers, and comprises a drying box, two heating boxes are arranged in the drying box, a plurality of electric heating wires are fixed in the heating boxes, a blower is arranged on one side of each heating box, an air pipe is fixed at the output end of the blower, the blower is connected with the air pipe through a sleeve joint, the air pipe penetrates through the outer side surface of each heating box, the air pipe is connected with the heating boxes through welding, a support is fixed on one side of the drying box, two wire fixing plates are fixed on one side of the support, the support is fixed with the wire fixing plates through bolts, and a wire inlet is arranged in each wire fixing plate, the air pipe is provided with a plurality of output ends, so that heat generated by the heating wire can be more uniformly brought into the drying box, and the steel wire can be better dried;

the above patent can only be directed at the steel wire after coating, and in the process of conveying the metal wire after coating, because the guide wheel mechanism needs to adjust the metal wire to be in a horizontal state, the coating liquid attached to the metal wire still cannot be uniformly distributed, so how to uniformly distribute the coating liquid is the technical problem to be solved by the technical personnel in the field.

Disclosure of Invention

The invention aims to provide a coating device for a metal wire drawing process, which can uniformly coat and distribute a coating liquid and improve the coating effect aiming at the problems in the background technology.

The technical scheme of the invention is as follows: a coating device for a metal wire drawing process comprises a device shell, wherein a partition plate which divides an inner cavity of the device shell into a coating cavity and a processing cavity is arranged in the device shell, and a guide wheel assembly which guides a metal wire and enables the metal wire to be immersed in coating liquid is arranged in the coating cavity;

a cleaning box positioned in the treatment cavity is arranged on the partition plate, and a flow dividing pipe is arranged in the cleaning box; the treatment chamber is also internally provided with a driving cylinder, the end part of a piston rod of the driving cylinder is connected with a heat-insulating outer pipe, and the other end of the heat-insulating outer pipe is provided with a hollow scraping cylinder for uniformly coating the coating liquid on the metal wire.

Preferably, a negative pressure shell a and a negative pressure shell b arranged on the negative pressure shell a are arranged in the cleaning cavity, a driving motor is arranged on the negative pressure shell b, an output shaft of the driving motor extends into the negative pressure shell a through a driving shaft, and impellers respectively arranged in the negative pressure shell b and the negative pressure shell a are arranged on the driving shaft.

Preferably, the negative pressure shell b is communicated with the outside air through an air inlet pipe, and the negative pressure shell b supplies airflow to the heat preservation outer pipe through an air outlet pipe;

the negative pressure shell a is communicated with the coating cavity through a liquid inlet pipe, the negative pressure shell a is connected with a flow dividing pipe through a liquid outlet pipe to form a fluid passage for supplying coating liquid to the flow dividing pipe, and a plurality of spray headers facing downwards are arranged on the flow dividing pipe.

Preferably, a heat conduction pipe is arranged in the heat preservation outer pipe, a plurality of air inlets are uniformly formed in the outer surface of the heat conduction pipe, and a spiral heating wire is arranged on the outer side of the heat conduction pipe.

Preferably, the inner side of the hollow scraping cylinder is provided with a plurality of scraping blades for scraping the coating liquid on the surface of the metal wire, and the central parts of the scraping blades and the hollow scraping cylinder are provided with through holes on the same axis.

Preferably, the cleaning box is provided with a round hole for the hollow scraping cylinder to enter and exit the cleaning box.

Preferably, a diversion chute which enables the inner cavity of the cleaning box to be communicated with the film coating cavity is arranged on the partition plate.

Preferably, the equipment shell is detachably connected with a cover plate for sealing the treatment cavity and the coating cavity.

Compared with the prior art, the invention has the following beneficial technical effects:

through the additional steps of supplementing and uniformly coating the coating liquid, the problem of uneven coating caused by transmission loss is effectively avoided;

the coating liquid attached to the metal wire is dried when being uniformly coated, so that the problem that the coating liquid is accumulated at the bottom of the metal wire under the action of gravity is avoided;

the heat-insulating outer pipe is driven by the driving cylinder, so that the metal wires can be dried more uniformly, and meanwhile, the scraped coating liquid can flow into the cleaning box and finally flow back to the coating cavity through the guide chute, so that the waste of the coating liquid is avoided;

the functions of air inlet and liquid inlet can be simultaneously completed by matching a driving component, namely a driving motor, with the impeller, the negative pressure shell b, the negative pressure shell a and other structures, and the production cost is reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of one embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic structural view of the thermal insulation outer tube in FIG. 1;

FIG. 4 is a schematic view of the hollow scraping cylinder of FIG. 2;

reference numerals: 1. a partition plate; 2. an equipment housing; 3. a guide wheel assembly; 4. a liquid outlet pipe; 5. a heat-insulating outer pipe; 6. an air outlet pipe; 7. a driving cylinder; 8. a negative pressure shell b; 9. a negative pressure shell a; 10. a drive motor; 11. cleaning the box; 12. a spiral heating wire; 13. a heat conducting pipe; 14. scraping the column body in a hollow way; 141. scraping a blade; 15. a shunt tube; 100. a wire.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1, the coating equipment for the metal wire drawing process provided by the invention comprises an equipment shell 2, wherein a partition plate 1 which divides the inner cavity of the equipment shell 2 into a coating cavity and a treatment cavity is arranged in the equipment shell 2, and a guide wheel assembly 3 which guides a metal wire 100 and enables the metal wire to be immersed in coating liquid is arranged in the coating cavity; the guide wheel assembly 3 is composed of a plurality of guide wheels which are rotatably arranged in the film coating cavity, and the guide wheel positioned at the uppermost side adjusts the metal wire 100 to be in a horizontal state;

a cleaning box 11 positioned in the treatment cavity is arranged on the clapboard 1, and a shunt pipe 15 is arranged in the cleaning box 11 as shown in the combined figure 2; the treatment cavity is also internally provided with a driving cylinder 7, the end part of a piston rod of the driving cylinder 7 is connected with a heat-insulating outer tube 5, the other end of the heat-insulating outer tube 5 is provided with a hollow scraping cylinder 14 for uniformly coating the coating liquid on the metal wire 100, the side wall of the equipment shell 2 and the partition plate 1 are both provided with wire holes for the metal wire 100 to pass through, and the wire holes are at the same horizontal height.

The working principle of the coating equipment for the metal wire drawing process based on the first embodiment is as follows: the metal wire 100 sequentially passes through the guide wheel assemblies 3 to form a traveling path (i.e. the direction indicated by an arrow in fig. 1) of the metal wire 100 as shown in fig. 1, the metal wire 100 passes through the coating liquid in the coating cavity to enable the coating liquid to be attached to the metal wire 100, and due to the transmission of the guide wheel assembly 3 at the uppermost side, the metal wire 100 and the guide wheel can be in line contact, so that the coating liquid at the contact part of the metal wire 100 and the guide wheel can be attached to the guide wheel, and meanwhile, due to the fact that the coating liquid can drop downwards due to the action of gravity in the transmission process, the coating liquid can be concentrated at the bottom of the metal wire 100, so that the coating liquid on the metal wire 100 is not uniform, and therefore, the coating liquid can be uniformly coated through the hollow scraping cylinder 14, and the coating quality is ensured.

Example two

As shown in fig. 1 to 3, compared with the first embodiment, the present invention further includes: the cleaning cavity is internally provided with a negative pressure shell a9 and a negative pressure shell b8 arranged on the negative pressure shell a9, the negative pressure shell b8 is provided with a driving motor 10, an output shaft of the driving motor 10 extends into the negative pressure shell a9 through a driving shaft, the driving shaft is provided with impellers respectively positioned in the negative pressure shell b8 and the negative pressure shell a9, and the shapes of the negative pressure shell b8 and the negative pressure shell a9 are preferentially set to be a volute structure suitable for generating liquid and gas flow; a mechanical seal is arranged between the negative pressure shell b8 and the negative pressure shell a9, so that the effect of avoiding gas-liquid mixing is achieved;

the negative pressure shell b8 is communicated with the outside air through an air inlet pipe, and the negative pressure shell b8 supplies air flow to the heat preservation outer pipe 5 through an air outlet pipe 6;

the negative pressure shell a9 is communicated with the coating cavity through a liquid inlet pipe, the negative pressure shell a9 is connected with the shunt pipe 15 through the liquid outlet pipe 4 to form a fluid passage for supplying the coating liquid to the shunt pipe 15, and the shunt pipe 15 is provided with a plurality of spray headers facing downwards.

A heat conduction pipe 13 is arranged in the heat preservation outer pipe 5, a plurality of air inlets are uniformly arranged on the outer surface of the heat conduction pipe 13, and a spiral electric heating wire 12 is arranged on the outer side of the heat conduction pipe 13.

In this embodiment, when the driving motor 10 drives the driving shaft and the impeller to rotate, the negative pressure casing b8 and the negative pressure casing a9 draw the coating liquid into the negative pressure casing a9 through the liquid inlet pipe, and then the coating liquid enters the shunt pipe 15 through the liquid outlet pipe 4, and is sprayed to the metal wire 100 through the spray header, so that the coating liquid lost on the metal wire 100 can be supplemented;

meanwhile, gas is input into the negative pressure shell b8 through the air inlet pipe, then air flow is supplied to the heat preservation outer pipe 5 through the air outlet pipe 6, the air flow is heated through the spiral heating wire 12, the air flow is dried on the metal wire 100 through the uniform air inlet holes in the surface of the heat conduction pipe 13, and meanwhile, due to the heat transfer function of the spiral heating wire 12, the hollow scraping cylinder 14 can be heated, so that the hollow scraping cylinder 14 can be preheated when coating liquid on the surface of the metal wire 100 is scraped.

EXAMPLE III

As shown in fig. 1 and fig. 3, compared with the first or second embodiment, the present invention further includes a plurality of scraping blades 141 for scraping the coating liquid on the surface of the metal wire 100 are disposed inside the hollow scraping cylinder 14, and through holes located on the same axis are disposed at the center portions of the scraping blades 141 and the hollow scraping cylinder 14;

a circular hole for the hollow scraping column 14 to enter and exit the cleaning box 11 is formed in the cleaning box 11;

the baffle plate 1 is provided with a diversion chute which enables the inner cavity of the cleaning box 11 to be communicated with the film coating cavity.

In the embodiment, in the process that the driving cylinder 7 drives the heat-insulating outer tube 5 to move, the spiral heating wire 12 can dry the metal wire 100 more uniformly, the scraping blade 141 in the hollow scraping cylinder 14 can scrape the coating liquid on the surface of the metal wire 100 more sufficiently, and the hollow scraping cylinder 14 can enter and exit the cleaning box 11, so that the coating liquid scraped by the hollow scraping cylinder 14 flows into the cleaning box 11 and then flows back to the coating cavity through the diversion chute, and waste is avoided; the through holes are arranged to facilitate the passing of the metal wire 100; the scraping blade 141 and the hollow scraping cylinder 14 are preferably made of copper, which has good thermal conductivity, so that the coating liquid on the wire 100 can be dried through a heat transfer effect and a heat radiation effect while the coating liquid is uniformly scraped.

Example four

As shown in fig. 1, compared with the first embodiment, the second embodiment, or the third embodiment, the plating apparatus for a metal wire drawing process provided by the present invention further includes a cover plate detachably connected to the apparatus housing 2 to seal the processing chamber and the plating chamber.

In this embodiment, through set up the apron in that process chamber and coating film chamber are sealed, avoid producing the pollution to the coating film liquid of coating film intracavity, through apron and 2 detachable connected modes of equipment housing, be convenient for overhaul the structure of process chamber and coating film intracavity and maintain simultaneously.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.