阅读说明：本技术 应用于超细钢丝高速热处理前的烘干装置 (Drying device applied to superfine steel wires before high-speed heat treatment ) 是由 吴晓玲 殷闽 程冠博 黄陈 程俊杰 乐金荣 于 2021-09-07 设计创作，主要内容包括：本发明涉及到一种应用于超细钢丝高速热处理前的烘干装置,包括一个矩形箱体,箱体的两端分别为用于进丝和出丝的前端板和后端板,前端板和后端板上对称地设置有若干个导丝孔,箱体底部设置有加热器,加热器位于导丝孔下方。本发明利用一个带有加热器的箱体,将钢丝从箱体一端引入箱体内,经过箱体内部烘燥后再从箱体另一端引出,通过箱体内部高温将钢丝表面水分烘干,从而确保钢丝出箱体后表面是干燥的。(The invention relates to a drying device applied to superfine steel wires before high-speed heat treatment, which comprises a rectangular box body, wherein a front end plate and a rear end plate for feeding and discharging wires are respectively arranged at two ends of the box body, a plurality of wire guide holes are symmetrically arranged on the front end plate and the rear end plate, a heater is arranged at the bottom of the box body, and the heater is positioned below the wire guide holes. The invention utilizes a box body with a heater to lead the steel wire into the box body from one end of the box body, the steel wire is dried in the box body and then is led out from the other end of the box body, and the surface moisture of the steel wire is dried through the high temperature in the box body, thereby ensuring that the surface of the steel wire is dry after the steel wire is taken out of the box body.)

1. The drying device applied to the superfine steel wire before high-speed heat treatment is characterized by comprising a rectangular box body (1), wherein a front end plate (101) and a rear end plate (102) which are used for feeding and discharging the superfine steel wire are respectively arranged at two ends of the box body (1), a plurality of wire guide holes (2) are symmetrically arranged on the front end plate (101) and the rear end plate (102), a heater (3) is arranged at the bottom of the box body, and the heater (3) is positioned below the wire guide holes (2).

2. The drying device according to claim 1, wherein an air inlet (4) is formed in the bottom of the box body (1), a plurality of air inlet fans (5) are arranged on the air inlet (4), the heater (3) comprises a plurality of heating wires (301) which are arranged in parallel, the plurality of heating wires (301) are connected in parallel and then are connected with a power supply (302), the specification of each heating wire (301) is consistent, and the heating wires (301) are opposite to the air inlet (4).

3. The drying device according to claim 2, characterized in that the front end plate (101) and the rear end plate (102) are respectively connected with air nozzles (6) corresponding to the thread guiding holes (2) in a one-to-one manner, the air nozzles (6) are positioned at the outer sides of the front end plate (101) and the rear end plate (102), a tapered through hole (7) coaxial with the thread guiding holes (2) is arranged on the air nozzles (6), the diameter of one end of the tapered through hole (7) connected with the thread guiding holes (2) is large, the diameter of the end far away from the thread guiding holes (2) is small, a plurality of spiral grooves (8) are circumferentially distributed on the inner wall of the tapered through hole (7), and the grooves extend from one end of the tapered through hole (7) to the other end.

4. Drying device according to claim 3, characterized in that the air tap (6) is screwed to the thread guide hole (2).

5. The drying device according to claim 3, characterized in that the taper of the tapered through hole (7) in the air nozzle (6) is 5-12 degrees, and the diameter of the small-caliber end of the tapered through hole (7) is 1.2-1.5 times of the diameter of the steel wire to be dried.

6. The drying device according to claim 3, characterized in that an air pressure sensor (9) is arranged in the box body (1), the air pressure sensor (9) is connected with a controller (10), and each air intake fan (5) is electrically connected with the controller (10) through a frequency converter (11) and controlled by the controller (10).

7. Drying apparatus according to claim 1, characterised in that the top panel (103) of the cabinet (1) is detachably connected to the front panel (101) or the rear panel (102) or both side panels (104) of the cabinet (1).

Technical Field

The invention relates to a drying device applied to superfine steel wires before high-speed heat treatment.

Background

At present, with the fine-line development of a diamond wire (a cutting steel wire), the specification of an electroplating diamond wire bus is thinner and thinner, and also, the specification of a raw material electroplating wire for manufacturing the diamond wire bus is thinner and thinner, in order to stabilize the heat treatment process of the steel wire, the heat treatment speed needs to be improved continuously along with the reduction of the wire diameter of the electroplating wire, the speed of the heat treatment process before the steel wire for producing the electroplating wire is controlled at the wire speed of 70-100m/min, before the steel wire enters an MF (media frequency) heat diffusion furnace, the steel wire needs to be dried, under the normal condition, a hot water washing is carried out before the steel wire enters the MF heat diffusion furnace, the steel wire is subjected to the hot water washing at 90 ℃, the effluent steel wire can be dried instantly, but, along with the continuous fine-line development of the steel wire, the wire is subjected to the hot water washing, the steel wire cannot be dried when the steel wire enters the MF, so that the water of the steel wire is close to the MF, resulting in frequent MF failures.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the drying device can rapidly dry the surface moisture of the steel wire and ensure that the steel wire enters the MF medium-frequency thermal diffusion furnace in a dry manner.

In order to solve the technical problems, the invention adopts the technical scheme that: be applied to drying device before superfine steel wire high-speed thermal treatment, including a rectangle box, the both ends of box are front end plate and the back end plate that is used for advancing the silk and goes out the silk respectively, are provided with a plurality of seal wire hole on front end plate and the back end plate symmetrically, and the bottom half is provided with the heater, and the heater is located seal wire hole below.

As a preferred scheme, an air inlet is formed in the bottom of the box body, a plurality of air inlet fans are arranged on the air inlet, the heater comprises a plurality of heating wires which are arranged in parallel, the plurality of heating wires are connected in parallel and then connected with a power supply, the specification of each heating wire is consistent, and the heating wires are opposite to the air inlet.

As an optimal scheme, connect respectively on front end plate and the back end plate with the air cock of silk guide hole one-to-one, the air cock is located the outside of front end plate and back end plate, is provided with a toper through-hole coaxial with the silk guide hole on the air cock, the one end diameter that toper through-hole and silk guide hole link up is big, and the one end diameter of keeping away from silk guide hole is little, and the equal portion of circumference has many spiral grooves on the toper through-hole inner wall, and the recess extends to the other end from the one end of toper through-hole.

As a preferable scheme, the air tap is in threaded connection with the thread guide hole.

As a preferred scheme, the taper of the conical through hole in the air faucet is 5-12 degrees, and the diameter of the small-caliber end of the conical through hole is 1.2-1.5 times of the diameter of the steel wire to be dried.

As a preferred scheme, an air pressure sensor is arranged in the box body and connected with a controller, and each air inlet fan is electrically connected with the controller through a frequency converter and controlled by the controller.

Preferably, the top plate of the box body is detachably connected to the front end plate or the rear end plate or the two side plates of the box body.

The invention has the beneficial effects that: the invention utilizes a box body with a heater to lead the steel wire into the box body from one end of the box body, the steel wire is dried in the box body and then is led out from the other end of the box body, and the surface moisture of the steel wire is dried through the high temperature in the box body, thereby ensuring that the surface of the steel wire is dry after the steel wire is taken out of the box body.

The invention further provides the air inlet and the air inlet fan at the bottom of the box body, thereby enhancing the flow speed of hot air in the box body, improving the drying effect of the steel wire, and further ensuring that the steel wire moving at high speed can still be dried after rapidly passing through the box body. Meanwhile, the size of the box body can be reduced, so that the drying device is easier to assemble and use.

The air faucet is further arranged on the front end plate and the rear end plate of the box body, the spiral grooves are formed in the inner walls of the air faucets, the steel wire penetrates through the box body through the air faucets, positive pressure is formed inside the box body under the action of the air inlet fan, high-strength air flow flows outwards through the air faucets, rotational flow is formed under the guiding action of the spiral grooves, the steel wire is wrapped in the center of the conical through holes of the air faucets, the effect of stabilizing the steel wire is achieved, and damage to the outer wall due to collision of the steel wire and the air faucets is avoided.

The invention further adopts the controller and the air pressure sensor to monitor and control the air pressure in the box body, effectively controls the stability of the steel wire in the moving process, and avoids scratching damage caused by the up-and-down fluctuation of the steel wire.

Drawings

The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an electrical schematic of the present invention;

in fig. 1 and 2: 1. the device comprises a box body, 101, a front end plate, 102, a rear end plate, 103, a top plate, 104, a side plate, 2, a wire guide hole, 3, a heater, 301, an electric heating wire, 302, a power supply, 4, an air inlet, 5, an air inlet fan, 6, an air nozzle, 7, a conical through hole, 8, a groove, 9, an air pressure sensor, 10, a controller, 11, a frequency converter, 12, an MOS (metal oxide semiconductor) tube, 100 and a steel wire.

Detailed Description

Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the drying device applied before the high-speed heat treatment of the superfine steel wire comprises a rectangular box body 1, a front end plate 101 and a rear end plate 102 for feeding and discharging the superfine steel wire are respectively arranged at two ends of the box body 1, a plurality of wire guide holes 2 are symmetrically arranged on the front end plate 101 and the rear end plate 102, a heater 3 is arranged at the bottom of the box body, and the heater 3 is positioned below the wire guide holes 2.

An air inlet 4 is formed in the bottom of the box body 1, a plurality of air inlet fans 5 are arranged on the air inlet 4, the heater 3 comprises a plurality of heating wires 301 which are arranged in parallel, as shown in fig. 2, the plurality of heating wires 301 are connected in parallel and then connected with a power supply 302, the specification of each heating wire 301 is consistent, and the heating wires 301 are opposite to the air inlet 4.

Connect respectively on front end plate 101 and the back end plate 102 with the air cock 6 of 2 one-to-ones in wire guide hole, air cock 6 is located the outside of front end plate 101 and back end plate 102, be provided with one on the air cock 6 with the coaxial toper through-hole 7 in wire guide hole 2, the one end diameter that toper through-hole 7 and wire guide hole 2 link up is big, the one end diameter of keeping away from wire guide hole 2 is little, the equal portion of circumference has many spiral grooves 8 on the 7 inner walls of toper through-hole, the recess extends to the other end from the one end of toper through-hole 7.

The air tap 6 is in threaded connection with the thread guide hole 2 so as to be convenient to replace.

The taper of the conical through hole 7 in the air faucet 6 is 5-12 degrees, and the diameter of the small-caliber end of the conical through hole 7 is 1.2-1.5 times of the diameter of the steel wire to be dried. The tapered through-hole 7 is found to be within this specification range, and stability in wire movement is best.

An air pressure sensor 9 is arranged in the box body 1, the air pressure sensor 9 is connected with a controller 10, and each air intake fan 5 is electrically connected with the controller 10 through a frequency converter 11 and controlled by the controller 10.

The top plate 103 of the box body 1 is detachably connected to the front end plate 101 or the rear end plate 102 or both side plates 104 of the box body 1, so that the top plate 103 is opened to repair and replace the internal devices of the box body 1, such as replacing the electric heating wire 301.

In order to better control the drying effect of the steel wire and effectively reduce the energy consumption, in this embodiment, an MOS tube 12 is connected in series in the power supply circuit of the heater 3, and the control end of the MOS tube 12 is connected with the controller 10, so that the operator can control the duty ratio of the MOS tube 12 through the controller 10 according to the actual needs to adjust the heating power of the heater 3, thereby improving the heat energy utilization rate and avoiding the energy waste.

The working principle of the invention is as follows: as shown in fig. 1 and fig. 2, the steel wire 100 moves from the left side to the right side of fig. 1, the steel wire 100 enters the box 1 through the air nozzle 6 on the front end plate 101, and then passes through the box 1 through the air nozzle 6 on the rear end plate 102, the heater 3 located below the steel wire 100 heats the box 1, thereby increasing the temperature in the box 1, meanwhile, the controller 10 controls the two air intake fans 5 to rotate through the frequency converter 11, the air intake fans 5 blow air into the box 1, blow the heat on the heating wire 301 to the steel wire 100, accelerate the surface drying speed of the steel wire 100, and after the steel wire 100 passes through the box 1, the surface thereof is dried. Increase the inside atmospheric pressure of box 1 simultaneously, the inside gas of box 1 is under high pressure condition, through the outside efflux of each air cock 6, and the air current forms the whirl under the guide effect of recess 8, wraps up steel wire 100 in the center of 6 toper through-holes of air cock 7 to play the effect of stabilizing steel wire 100, avoid steel wire 100 and air cock collision to cause the outer wall damage.

The atmospheric pressure sensor 9 monitors the internal atmospheric pressure of the box body 1, and when the internal atmospheric pressure of the box body 1 changes, the controller 10 controls the synchronous change of the rotating speed of the air inlet fan 5 to compensate the atmospheric pressure change according to the atmospheric pressure change condition, so that the internal atmospheric pressure of the box body 1 is kept stable, the rotational flow of the air tap 6 is stabilized, and the stability of the steel wire 100 in the advancing process is ensured.

The above embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments in use, and are not intended to limit the invention; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.