CN105803168A - Water-bath quenching unit for steel wires - Google Patents

Abstract

The invention discloses a water-bath quenching unit for steel wires. The water-bath quenching unit comprises an upper quenching tank and a liquid storage tank, wherein the upper quenching tank comprises a quenching tank body and a liquid injection tank body; a liquid inlet section, a wire separating section, a water bath section and a liquid return section are sequentially arranged on the quenching tank body; the liquid inlet section is provided with a liquid inlet channel; a wire separating comb is horizontally rotationally arranged on the wire separating section; the water bath section is provided with a plurality of water-bath sub-tanks for performing water-bath cooling on the steel wires; a moving baffle is glidingly arranged inside each water-bath sub-tank in the moving direction of the steel wires; each moving baffle is connected with a corresponding baffle adjusting mechanism; and a liquid supply system is arranged between the liquid storage tank and the liquid injection tank body. With the adoption of the water-bath quenching unit, the quenching time and the quenching length can be freely adjusted in a certain range, and various products with different specifications and strength can be produced simultaneously; besides, automatic water addition and automatic temperature control can be realized, so that the steel wires are quenched in the required quenching temperature range all the time, and the quenching effect of the steel wires is improved.

Description

A steel wire water bath quenching unit

technical field

The invention relates to a steel wire water bath quenching unit, which is used for austempering steel wire.

Background technique

Steel wire isothermal water bath and air cooling quenching is a heat treatment process of immersing steel wire in an aqueous solution containing high molecular polymer for continuous rapid cooling, rapid air cooling, air cooling and heat preservation. In order to achieve this purpose, before the steel wire is cooled and quenched in an isothermal water bath and non-isothermal air, the steel wire must first be heated to a state of complete austenite crystal structure and obtain austenite crystal structure with a grain size of 7-8. The purpose of steel wire isothermal water bath and non-isothermal air cooling and quenching is to obtain a sorbite crystal structure with uniform and fine grains, and then obtain higher strength, toughness and good plasticity. After the steel wire is austenitized and heated at high temperature, it enters the isothermal water bath quenching unit for rapid cooling, and after leaving the isothermal water bath quenching unit, it enters the air-cooled temperature control box to continue cooling. The temperature of the quenching liquid and the temperature of the air-cooled temperature control box are set by the production process. First of all, when the steel wire is quenched in an isothermal water bath, a high molecular polymer is added to the quenching liquid to increase the viscosity, vaporization temperature, boiling point and tension of the quenching liquid, and reduce the thermal conductivity of water. Control the temperature of the quenching liquid between the vaporization and boiling point, so that a uniform steam film is formed on the surface of the steel wire immersed in the quenching liquid. The steam film separates the steel wire from the quenching liquid, and the heat exchange between the quenching liquid and the steel wire can only be Conducted through a vapor film.

The isothermal water bath quenching unit for steel wire generally includes an upper quenching tank and a lower liquid storage tank. The quenching liquid is stored in the liquid storage tank and is circulated to the upper quenching tank. This isothermal water bath quenching unit has the following disadvantages: 1. The current upper Quenching tanks are only suitable for quenching steel wires with larger diameters, and steel wires with smaller diameters are more sensitive to temperature. The current upper quenching tanks are difficult to control the quenching time, quenching length, and cooling speed. When the quenching liquid flows in the upper quenching tank, the liquid level fluctuates relatively large, and the contact between the steel wire and the quenching liquid is not uniform enough, resulting in uneven cooling of the steel wires, resulting in uneven quality of the steel wires, and even due to the uneven cooling of the steel wires with smaller diameters. 2. In addition, the current upper quenching tank cannot produce steel wires of different quenching specifications at the same time; 3. When the steel wire is quenched in the upper quenching tank, it is generally in a relatively open state, and some baffles are used for heat preservation and The temperature control effect is not obvious. After the steel wire passes through the heating furnace and enters the upper quenching tank, some impurities may be brought into the upper quenching tank, such as oxides, oxide scales or borax in the heating furnace. The flow of the quenching liquid is stored in the liquid storage tank, which will affect the concentration of the quenching liquid and the water bath effect of the steel wire; 4. The current water bath quenching unit and the air-cooling quenching unit are used together, and the belting of the steel wire is very troublesome, and there is no need to The special belting device, the pulling of the steel wire before the start-up and the pulling of the quenched steel wire after the wire is broken are all done manually, that is, by pulling the steel wire and operating the worker to hold the support rod to raise the steel wire, so that the steel wire is pulled on the support rod. After the completion, put down the support bar to let the steel wire fall to the normal operation position. However, this method of belting requires more operators. At the same time, the support bar needs to be inserted into the quenching area of the unit for operation, which is prone to burns. Waiting for danger.

Contents of the invention

The technical problem to be solved by the present invention is: to provide a steel wire water bath quenching unit, which can freely adjust the quenching time and quenching length within a certain range, and can simultaneously produce a variety of products with different specifications and strengths; in addition, the water bath quenching unit It can realize automatic water addition and automatic temperature control, so that the steel wire is always quenched within the required quenching temperature range, and the quenching effect of the steel wire is improved.

In order to solve the above technical problems, the technical solution of the present invention is: a steel wire water bath quenching unit, including an upper quenching tank and a liquid storage tank below the upper quenching tank, the upper quenching tank includes a quenching tank body in the upper part and a quenching tank in the lower part The liquid injection tank body, the upper part of the quenching tank body is provided with a steel wire running channel to facilitate the running of the steel wire, and the quenching tank body is sequentially provided with a liquid inlet section, a dividing line section, a water bath section and a liquid return section along the running direction of the steel wire , the liquid inlet section is provided with a liquid inlet channel, and a wire splitting comb is arranged on the horizontal rotation of the wire splitting section, and the wire splitting comb is connected with the wire splitting comb swing mechanism, and the water bath section is provided with several water baths for steel wires. Cooling water bath sub-tanks, the liquid inlet channel connects each water bath sub-groove with the liquid injection tank body, and the liquid return section is provided with a liquid return channel, and the liquid return channel connects the lower section of each water bath sub-groove with the lower liquid storage tank connected, each water bath sub-tank is slidably provided with a movable baffle along the running direction of the steel wire, and each movable baffle is connected with the corresponding baffle adjustment mechanism, and a A liquid supply system, the liquid storage tank is provided with a temperature detection sensor and a liquid level gauge, the liquid storage tank is connected to an automatic water adding system, and a temperature adjustment system for adjusting the temperature of the quenching liquid is provided in the liquid storage tank.

As a preferred solution, a buffer return tank is also provided at the upstream end of the quenching tank, and the buffer return tank connects the lower liquid storage tank with the liquid inlet channel, and the buffer return tank and the liquid inlet channel are arranged There is steel wire entering the idler roller.

As a preferred solution, the liquid inlet channel is equipped with a flow equalizer to make the quenching liquid flow evenly, and several flow equalizers parallel to each other are arranged on the flow equalizer, and the space between each flow equalizer constitutes a equalization channel.

As a preferred solution, the baffle adjustment mechanism includes a rack fixedly connected with the movable baffle, a first gear kneaded with the rack, the first gear is rotatably mounted on the quenching tank, and the gear of the first gear The shaft extends out of the quenching tank body and is connected with the first operating handle.

As a preferred solution, the oscillating mechanism of the splitting comb includes a sector gear fixed on the rotating shaft of the splitting comb, the quenching tank is provided with a second gear kneaded with the sector gear, and the second gear is connected with Second operating handle.

As a preferred solution, the upstream section of the liquid storage tank is provided with a slag-collecting partition, and a slag-collecting tank is formed between the slag-collecting partition and the upstream end plate of the liquid storage tank. The position of the slag-collecting tank and the buffer Corresponding to the reflux tank, a slag cleaning door is provided on the outside of the liquid storage tank corresponding to the slag collection tank, and a buffer tank with an upper end opening is provided on the inner surface of the upstream end plate of the liquid storage tank. above the slot.

As a preferred solution, the upper part of the quenching tank is provided with a water bath heat preservation cover, and a support rod is fixedly installed on the water bath heat preservation cover, and a mobile hanging wheel is rotatably mounted on the support rod. The support rod moves and rotates, and the side doors of the water-bath heat preservation casing are provided with openable or closed side doors, and the water-bath heat preservation casing is provided with a temperature control exhaust device.

As a preferred solution, the temperature adjustment system includes a heating coil and a cooling coil arranged at the bottom of the liquid storage tank, the head end and the tail end of the heating coil are respectively connected to a steam supply pipe and a water return pipe, and the The steam supply pipe is provided with a steam filter and a steam heating servo valve. The head end and tail end of the cooling coil are respectively connected with a cooling water supply pipe and a cooling return pipe. The cooling water supply pipe is provided with a cooling water servo valve. valve.

As a preferred solution, the liquid supply system is arranged on two parallel circulation pumps downstream of the liquid storage tank, and the downstream end of the liquid storage tank is provided with two liquid outlet pipes, which are connected to the inlet of the circulation pump. A corresponding connection, the outlet of the circulation pump communicates with the liquid injection pipe of the upper quenching tank through the liquid supply main pipe, and the upper circumference of the liquid injection pipe is evenly distributed with liquid outlet holes.

As a preferred solution, the bottom and top of the liquid injection tank are respectively provided with a lower steady flow baffle and an upper steady flow baffle, and the lower steady flow baffle and the upper steady flow baffle are arranged in a staggered manner.

After adopting the above technical scheme, the effect of the present invention is: 1. The steel wire passes through the liquid inlet section, the branch line section, the water bath section and the liquid return section in turn and leaves the upper quenching tank, and the quenching liquid is supplied from the liquid storage tank by the liquid supply system into the liquid injection tank, and then the quenching liquid flows into the water bath sub-channel from the liquid inlet channel to cool the running steel wire, and then the quenching liquid overflows from the water bath sub-channel and returns to the liquid storage tank through the liquid return channel. Multiple water bath sub-grooves, and each water-bath sub-groove is equipped with a slidable movable baffle, then each water-bath sub-groove can adjust the quenching time and quenching length of the steel wire according to the actual quenching process, so as to produce different specifications and strength product. 2. The liquid storage tank of the water bath quenching unit is provided with a temperature detection sensor and a liquid level gauge, and the liquid storage tank is connected with an automatic water adding system. Realize automatic water addition and automatic temperature control, so that the quenching temperature of the steel wire is always stable in a suitable range, and the water bath quenching effect of the steel wire is improved.

And because the upstream end of the quenching tank is also provided with a buffer return tank, the buffer return tank connects the lower liquid storage tank with the liquid inlet channel, and a steel wire enters the support between the buffer return tank and the liquid inlet channel. roll. The setting of the buffer reflux tank makes the quenching liquid flow upwards and then split, part of it enters the water bath sub-channel, and part of it flows into the buffer reflux tank. At the same time, the steel wire enters the idler roller to not only support the steel wire in the water bath in a horizontal state, but also the steel wire enters the idler roller. Contact with the steel wire can scrape off the scale and other impurities on the surface of the steel wire to a certain extent, so that the quenching liquid can not only cool the upstream end of the quenching tank, but also wash away the scale and other impurities on the surface of the steel wire, so that the impurities can pass through the buffer The return tank flows into the reservoir for centralized removal.

Furthermore, since the liquid inlet channel is installed with a flow equalizer to make the quenching liquid flow evenly, the flow equalizer is provided with several parallel flow equalizers, and the space between each flow equalizer constitutes a flow equalizer. Therefore, the quenching liquid enters the water bath sub-groove smoothly and evenly from the liquid inlet channel through the equalizing groove, which ensures the uniformity of steel wire quenching.

And because the baffle adjustment mechanism includes a rack fixedly connected with the movable baffle, and a first gear kneaded with the rack, the first gear is rotatably mounted on the quenching tank, and the gear shaft of the first gear extends out of the quenching tank. The outside of the tank is connected with the first operating handle. The baffle adjustment mechanism can not only be adjusted outside the quenching tank, but also the movable baffle can be adjusted arbitrarily within the adjustable range, so as to achieve precise control of quenching time and quenching length.

Since the upstream section of the liquid storage tank is provided with a slag-collecting partition, a slag-collecting tank is formed between the slag-collecting partition and the upstream end plate of the liquid storage tank, and the position of the slag-collecting tank corresponds to the buffer reflux tank, A slag removal door is provided on the outside of the liquid storage tank corresponding to the slag collection tank, and a buffer tank with an upper end opening is provided on the inner surface of the upstream end plate of the liquid storage tank, and the buffer tank is located above the slag collection tank. After the steel wire enters the upper quenching tank, the impurities will gradually fall. At this time, the slag collecting tank corresponds to the upstream return channel of the upper quenching tank. Therefore, the impurities will fall into the slag collecting tank for collection, and the impurities will not be recycled to the upper quenching tank again. In the quenching tank, this makes the concentration of the quenching liquid more stable and the quenching effect is better. When the quenching liquid flows downward from the upstream return channel, it will be buffered in the buffer tank, so that the quenching liquid can cool the upstream end plate to avoid oxidation and deformation of the upstream end plate due to high temperature. .

And because the upper part of the quenching tank body is provided with a water bath heat preservation cover, the support rod is fixedly installed on the water bath heat preservation cover, and the support rod is rotatably equipped with a moving wire pulley, which moves on the support rod And rotate, the side door of described water-bath insulation casing is all provided with the side door that can open or close, and the described water-bath insulation casing is all provided with temperature control exhaust device. Utilizing the mobile hanging wheel set on the supporting rod can facilitate the wire adding, belting, pulling and wiring of the steel wire, so that the steel wire rolls and rubs on the moving hanging wheel, and at the same time, the moving hanging wheel can move in the axial direction of the supporting rod to Any position is convenient for adding wires, so that the operator can operate through the side door without reaching into the water bath insulation cover to add wires, avoiding the risk of burns, and at the same time use the temperature control exhaust device to realize the heat dissipation in the water bath insulation cover The discharge is controlled so that the temperature of the water bath insulation enclosure remains within a relatively constant range.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a schematic cross-sectional view of the front structure of an embodiment of the present invention;

Fig. 2 is the top view of the embodiment of the present invention;

Fig. 3 is a partial schematic diagram of Fig. 1;

Fig. 4 is the front structure schematic diagram of the embodiment of the present invention;

Fig. 5 is a sectional view at A-A place of Fig. 4;

Fig. 6 is a sectional view of the structure of the water-bath insulation cover;

In the drawings: 1. Quenching tank; 2. Liquid injection tank; 3. Liquid storage tank; 4. Liquid inlet channel; 5. Equalizing tank; 6. Buffer return tank; 7. Buffer tank; Door; 9. Slag collecting partition; 10. Liquid injection pipe; 11. Lower steady flow baffle; 12. Upper steady flow baffle; 13. Mobile hanging wheel; 14. Water bath insulation cover; Gas device; 16. Cooling coil; 17. Heating coil; 18. Circulation pump; 19. Liquid outlet pipe; 20. Splitting comb; 21. Moving baffle; 22. Rack; 23. First gear; .Cooling water supply pipe; 25. Cooling water return pipe; 26. Steam supply pipe; 27. Return water pipe; 28. Liquid level gauge; 281. Float; 282. Liquid level cylinder; ; 285. Upper proximity switch; 286. Pole; 287. Metal sleeve; 29. Automatic water adding system; 30. Side door; 31. Support rod.

detailed description

The present invention will be described in further detail below through specific examples.

As shown in Figures 1 to 6, a steel wire water bath quenching unit includes an upper quenching tank and a liquid storage tank 3 below the upper quenching tank. The liquid tank body 2, the upper part of the quenching tank body 1 is provided with a steel wire running channel to facilitate the operation of the steel wire, the upper part of the quenching tank body 1 is provided with a water bath heat preservation cover 14, and the water bath heat preservation cover 14 is fixedly installed with Support rod 31, on the support rod 31, there is a mobile hanging wheel 13 that rotates on the supporting rod 31. The mobile hanging wire wheel 13 moves and rotates on the support rod 31. The side doors of the water bath insulation cover 14 are provided with side doors that can be opened or closed. 30. The water-bath heat preservation enclosures 14 are all provided with temperature-control exhaust devices 15 .

The side door 30 uses a counterweight to keep the side door 30 open or closed. The inside of the water-bath insulation cover 14 is arranged to facilitate the condensed water droplets to flow to the slopes on both sides. The number of the mobile hanging wheel 13 is two and is distributed on the left section and the right section of the support bar 31 . Limiting blocks are provided at the left and right ends of the support rod 31 . Before the unit is started, it is necessary to pull the steel wire belt line, or after the steel wire is broken, the steel wire is directly hung on the corresponding group of mobile hanger wheels 13 to complete the traction belt line. Correspondingly, the air-cooled heat preservation cover of the air-cooled quenching unit connected with the water-bath quenching unit is also provided with a moving belt wheel for cooperation.

The temperature control exhaust device 15 includes an exhaust pipe and an exhaust temperature control servo valve arranged on the exhaust pipe. When the temperature in the water bath insulation cover 14 is too high, the exhaust temperature control servo valve can be increased to The opening angle increases the exhaust and takes away more heat. On the contrary, the opening angle decreases or even closes to reduce heat discharge, which can play a regulating role and make the quenching effect of the steel wire uniform.

The quenching tank body 1 is sequentially provided with a liquid inlet section, a branch line section, a water bath section and a liquid return section along the running direction of the steel wire. The liquid inlet section is provided with a liquid inlet channel 4, and the liquid inlet channel 4 is equipped with A flow equalizing tank 5 for making the quenching liquid flow evenly. The flow equalizing tank 5 is provided with several parallel flow equalizing plates, and the space between each flow equalizing plate constitutes a flow equalizing channel. The quenching liquid enters the quenching tank body 1 after passing through the equalizing tank 5, and the liquid level is more stable, so that the liquid level of each steel wire moves little when running, and the quenching effect is consistent.

As shown in Figures 1 and 3, the upstream end of the quenching tank 1 is also provided with a buffer return tank 6, which connects the lower liquid storage tank 3 with the liquid inlet channel 4, and the buffer return tank 6 communicates with the liquid inlet channel 4. A steel wire enters the roller between the backflow tank 6 and the liquid inlet channel 4 , and the buffer backflow tank 6 can wash away the impurities brought by the steel wire, so that the impurities can flow back into the liquid storage tank 3 through the buffer backflow tank 6 .

The upstream section of the liquid storage tank 3 is provided with a slag-collecting partition 9, which forms a slag-collecting tank between the slag-collecting partition 9 and the upstream end plate of the liquid storage tank 3. The position of the slag-collecting tank and the buffer backflow Corresponding to the tank 6, a slag removal door 8 is provided on the outside of the liquid storage tank 3 corresponding to the slag collection tank, and a buffer tank 7 with an upper end opening is provided on the inner surface of the upstream end plate of the liquid storage tank 3. The tank 7 is located above the slag collecting tank, and when the quenching liquid returns from the buffer return tank 6, it will stay and buffer in the buffer tank 7, thereby cooling the upstream end plate of the liquid storage tank 3 and avoiding deformation of the upstream end plate.

A line-splitting comb 20 is provided for horizontal rotation on the line-splitting section, and the line-splitting comb 20 is connected with the swing mechanism of the line-splitting comb 20, and the swing mechanism of the line-splitting comb 20 includes a sector gear fixed on the rotating shaft of the line-splitting comb 20 , the quenching tank body 1 is provided with a second gear kneaded with the sector gear, the second gear is connected with a second operating handle, and the wire-splitting comb 20 can be operated on the side of the unit, so that the wire-splitting comb 20 can be Swing within the swing range.

The water-bath section is provided with several water-bath sub-grooves for water-bath cooling of steel wires, the liquid inlet channel 4 communicates each water-bath sub-groove with the liquid injection tank body 2, and the liquid-return section is provided with a liquid-return channel. The liquid channel connects the lower section of each water bath sub-tank with the lower liquid storage tank 3, and a movable baffle 21 is slid along the running direction of the steel wire in each water bath sub-tank, and each mobile baffle 21 is adjusted with the corresponding baffle. Mechanism connection, a liquid supply system is arranged between the liquid storage tank 3 and the liquid injection tank body 2, a temperature detection sensor and a liquid level gauge 28 are arranged in the liquid storage tank 3, and the liquid storage tank 3 is connected to the automatic water filling system. The system 29 is connected, and the temperature adjustment system for adjusting the temperature of the quenching liquid is arranged in the liquid storage tank 3 .

As shown in Figures 1, 2 and 3, the baffle adjustment mechanism includes a rack 22 fixedly connected to the movable baffle 21, a first gear 23 kneaded with the rack 22, and the first gear 23 is rotatably mounted on the quenching On the tank body 1, the gear shaft of the first gear 23 extends out of the quenching tank body 1 and is connected with the first operating handle. As shown in Figure 2, the number of water bath sub-troughs is six, and correspondingly, the number of movable baffles 21 is six, and the gear shafts of three gears protrude from both sides of the quenching tank body 1. By disassembling and installing the first An operating handle is used to adjust the corresponding movable baffle 21 . In this way, the length of each water bath sub-channel is different, and the quenching time of the steel wire is different during operation, so that steel wires of different specifications can be produced.

As shown in Figures 1 and 2, the temperature adjustment system includes a heating coil 17 and a cooling coil 16 arranged at the bottom of the liquid storage tank 3, and the head end and tail end of the heating coil are respectively connected to the steam supply pipe 26 and a water return pipe 27, the steam supply pipe 26 is provided with a steam filter and a steam heating servo valve, the head end and tail end of the cooling coil 16 are respectively connected with a cooling water supply pipe 24 and a cooling return pipe 25, The cooling water supply pipe 24 is provided with a cooling water servo valve. Of course, other coolants can also be used for cooling, and electric heating can also be used for heating.

The liquid supply system is arranged on two parallel circulation pumps 18 downstream of the liquid storage tank 3, and the downstream end of the liquid storage tank 3 is provided with two liquid outlet pipes 19, which are connected to the inlet of the circulation pump 18. One corresponding connection, the outlet of the circulation pump 18 communicates with the liquid injection pipe 10 of the upper quenching tank through the liquid supply main pipe, and the upper circumference of the liquid injection pipe 10 is evenly distributed with liquid outlet holes. The end of the liquid outlet pipe 19 is arranged upwards to prevent impurities from entering the circulation pump 18 and causing damage to it.

The quenching liquid flows out uniformly from the liquid outlet through the liquid supply main pipe and the liquid injection pipe 10 and enters the liquid injection tank 2, and the quenching liquid in the liquid injection tank 2 diffuses into the quenching tank 1 from the liquid inlet channel 4 , and the bottom and top of the liquid injection tank 2 are respectively provided with a lower steady flow baffle 11 and an upper steady flow baffle 12, and the lower steady flow baffle 11 and the upper steady flow baffle 12 are staggered, and the lower steady flow baffle 12 is used to The steady flow baffle 11 and the upper steady flow baffle 12 can achieve a steady flow effect.

The automatic water adding device described in the automatic water adding system 29 includes a quantitative water supply pipe, and the quantitative water supply pipe connects the water inlet of the liquid storage tank with the water main pipe. and a downstream cut-off valve, the liquid storage tank 1 is provided with a liquid level gauge 28 for detecting the liquid level in the liquid storage tank, and the liquid level gauge 28 and the water supply solenoid valve are connected with an intelligent control device.

As shown in Figure 5, the liquid level gauge 28 adopts an external liquid level gauge 28, and the liquid level height of the liquid storage tank 31 is divided into three heights, which are respectively the lowest liquid level, the replenishment liquid level and the highest liquid level shown in Figure 5. level, the connection position between the liquid level gauge 28 and the liquid storage tank 3 should be lower than the minimum liquid level. The device controls the water supply solenoid valve to open, and the pure water is filled into the liquid storage tank 3 from the main water supply pipe through the quantitative water supply pipe, and the liquid level in the liquid storage tank 3 rises. When the liquid level rises to the highest level, the intelligent control device controls the water supply The solenoid valve is closed to stop water replenishment. And the minimum liquid level is as the alarm liquid level, if intelligent control device or replenishment solenoid valve break down, liquid level can continue to decline, and when liquid level reached minimum liquid level, after liquid level gauge 28 detects, system sends acousto-optic alarm.

As shown in FIG. 5 , the liquid level gauge 28 includes a liquid level cylinder 282 communicated with the liquid storage tank 3, and the communication position between the liquid level cylinder 282 and the liquid storage tank 3 is lower than the minimum liquid level to be detected. A buoy 281 is arranged inside the liquid level cylinder 282, and a vertical rod 286 is arranged on the top of the buoyant cylinder 281. The vertical rod 286 is provided with a signal piece to be detected, and at least three signal pieces to be detected are arranged outside the liquid level cylinder 282. The detection sensor of the vertical position, the detection switch is connected with the intelligent control device. The signal part to be detected is a metal sleeve 287, and the metal sleeve 287 is fixed on the pole 286, and the detection sensor is a proximity switch. Be respectively bottom proximity switch 283, middle part proximity switch 284, top proximity switch 285, and metal sleeve 287 is correspondingly matched with bottom proximity switch 283, middle part proximity switch 284, top proximity switch 285.

The working principle of the present invention is as follows: firstly, the steel wire passes through the water-bath quenching unit through the moving belt pulley and the belt line, and also passes through the air-cooling quenching unit at the same time, and is cooled and quenched at the corresponding temperature of each section. The circulation pump 18 pumps the quenching liquid in the liquid storage tank 3 into the liquid injection tank body 2, then passes through the upper steady flow baffle 12 and the lower steady flow baffle 11 and then enters the liquid inlet channel 4 after being stabilized. The flow tank 5 is kept, and part of the quenching liquid flows into the quenching tank body 1, while the other part flows back from the buffer backflow tank 6 to the liquid storage tank 3, and the impurities brought in during the backflow enter the slag collection tank for collection and regular cleaning . After the steel wire is quenched in the water bath sub-channel water bath, the quenching liquid flows back to the liquid storage tank 3 from the liquid return channel, and the quenching liquid is always circulated according to the above flow direction, and the quenching temperature is kept constant at all times by controlling the temperature of the quenching liquid in the quenching unit. Within the required temperature range, and the temperature of the air in the water bath insulation cover 14 can be regulated by using the exhaust temperature control device, so that when the steel wire leaves the quenching liquid, the mechanical properties will not change due to sudden temperature changes.

The above-described embodiments are only descriptions of preferred implementations of the present invention, and are not intended to limit the scope of the present invention. On the basis of not departing from the design spirit of the present invention, any deformation and transformation made to the technical solution of the present invention shall fall within the scope of the present invention. Into the scope of protection determined by the claims of the present invention.

Claims (10)

1. A steel wire water bath quenching unit, comprising an upper quenching tank and a liquid storage tank (3) below the upper quenching tank, characterized in that: the upper quenching tank includes a quenching tank body (1) at the top and a Liquid injection tank (2), the upper part of the quenching tank (1) is provided with a steel wire running channel to facilitate the running of the steel wire, and the quenching tank (1) is sequentially provided with a liquid inlet section, a branch Line section, water bath section and liquid return section, the liquid inlet section is provided with a liquid inlet channel (4), the horizontal rotation on the line dividing section is provided with a line dividing comb (20), and the line dividing comb (20) and the line dividing The comb (20) is connected by a swing mechanism, and the water bath section is provided with several water bath sub-grooves for water-bath cooling of the steel wire, and the liquid inlet channel (4) communicates each water-bath sub-groove with the liquid injection tank (2), so The liquid return section is provided with a liquid return channel, and the liquid return channel connects the lower sections of each water bath sub-tank with the lower liquid storage tank (3), and each water bath sub-tank is slidingly provided with a movable baffle ( 21), each movable baffle (21) is connected to the corresponding baffle adjustment mechanism, a liquid supply system is arranged between the liquid storage tank (3) and the liquid injection tank body (2), and the liquid storage tank (3) is provided with a temperature detection sensor and a liquid level gauge (28), the liquid storage tank (3) is connected with the automatic water addition system (29), and the liquid storage tank (3) is provided with a device for adjusting the temperature of the quenching liquid Temperature regulation system. 2. A kind of steel wire water bath quenching unit as claimed in claim 1, characterized in that: the upstream end of the quenching tank body (1) is also provided with a buffer backflow tank (6), and the buffer backflow tank (6) will The lower liquid storage tank (3) communicates with the liquid inlet channel (4), and a steel wire inlet roller is arranged between the buffer return tank (6) and the liquid inlet channel (4). 3. A steel wire water-bath quenching unit as claimed in claim 2, characterized in that: said inlet channel (4) is equipped with a flow equalizer (5) for uniform flow of quenching liquid, and the flow equalizer (5) ) is provided with a number of parallel flow equalizers, and the space between each flow equalizer constitutes a flow equalization channel. 4. A steel wire water-bath quenching unit as claimed in claim 3, characterized in that: the baffle adjustment mechanism includes a rack (22) fixedly connected to the movable baffle (21), kneading with the rack (22) The first gear (23), the first gear (23) is rotatably mounted on the quenching tank (1), the gear shaft of the first gear (23) protrudes outside the quenching tank (1) and is connected with the first operation Handle connection. 5. A kind of steel wire water bath quenching unit as claimed in claim 4, characterized in that: the swing mechanism of the wire-dividing comb (20) includes a sector gear fixed on the rotating shaft of the wire-dividing comb (20), and the quenching tank The body (1) is provided with a second gear kneaded with the sector gear, and the second gear is connected with a second operating handle. 6. A steel wire water bath quenching unit as claimed in claim 5, characterized in that: the upstream section of the liquid storage tank (3) is provided with a slag-collecting partition (9), and the slag-collecting partition (9) and A slag collecting tank is formed between the upstream end plates of the liquid storage tank (3). A slag removal door (8) is provided, and a buffer tank (7) with an upper end opening is provided on the inner surface of the upstream end plate of the liquid storage tank (3), and the buffer tank (7) is located above the slag collection tank. 7. A steel wire water bath quenching unit as claimed in claim 6, characterized in that: the upper part of the quenching tank (1) is provided with a water bath heat preservation cover (14), and the water bath heat preservation cover (14) is A support rod (31) is fixedly installed, and an upper steady-flow baffle (13) is rotatably set on the support rod (31). The upper steady-flow baffle (13) moves and rotates on the support rod (31), and the water bath Side doors (30) that can be opened or closed are all provided on the sides of the thermal insulation casing (14), and a temperature control exhaust device (15) is provided on the water bath thermal insulation casing (14). 8. A steel wire water bath quenching unit as claimed in claim 7, characterized in that: said temperature adjustment system comprises a heating coil (17) and a cooling coil (16) arranged at the bottom of the liquid storage tank (3) , the head end and the tail end of the heating pipe coil are respectively connected to a steam supply pipe (26) and a return pipe (27), the steam supply pipe (26) is provided with a steam filter and a steam heating servo valve, and the cooling A cooling water supply pipe (24) and a cooling return water pipe (25) are respectively connected to the head end and tail end of the coil pipe (16), and a cooling water servo valve is arranged on the cooling water supply pipe (24). 9. A kind of steel wire water bath quenching unit as claimed in claim 8, is characterized in that: said liquid supply system is arranged on two parallel circulation pumps (18) of the downstream of liquid storage tank (3), liquid storage tank ( 3) The downstream end is provided with two liquid outlet pipes (19), and the liquid outlet pipes (19) are connected with the inlets of the circulation pump (18) in one-to-one correspondence, and the outlet of the circulation pump (18) is connected with the main pipe for liquid supply. The liquid injection pipe (10) of the upper quenching tank is connected, and liquid outlet holes are evenly distributed on the upper circumference of the liquid injection pipe (10). 10. A steel wire water bath quenching unit according to claim 9, characterized in that: the bottom and top of the liquid injection tank (2) are respectively provided with a lower steady flow baffle (11) and an upper steady flow baffle (12), the lower steady flow baffle (11) and the upper steady flow baffle (12) are arranged in a staggered manner.