Extruder outlet on-line quenching device

Abstract

An inner sleeve is arranged in a quenching sleeve, a cavity is formed between the inner sleeve and the quenching sleeve, a channel for a profile to pass through is formed in the inner sleeve, a water inlet end is communicated with a pressurized water source and the cavity, and a spray head group is communicated with the cavity and the channel, namely, the profile enters the channel from the outlet end of the extruder; all the spray head groups continuously spray pressurized water to carry out online quenching on passing profiles, and the profiles are conveyed to the cooling bed guide wheel group to be continuously transported after coming out of the inner sleeve, so that the independent quenching transportation and treatment process is omitted, the working efficiency is improved, and the device is particularly suitable for some aluminum alloy pipes with large temperature application range; and the spray head is positioned in the opening of the inner sleeve, so that the passing of the profile is not influenced in the normal water spraying process, and the water spraying uniformity and the online quenching effect are ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to aluminum alloy product processing technical field relates to a kind of aluminum alloy profile quenching structure, especially a kind of extruding machine outlet online quenching device. BACKGROUND

[0002] Extruding machine is important equipment of aluminum alloy profile production, and the die and die sleeve assembly 2 are installed at the discharge end of the extruding machine. The extrusion pressure is applied by the extrusion shaft 1 in the extruding machine, and the material is extruded into a profile. The profile is transported away through the outlet end 4 and the cold bed guide wheel set 13 on the side. When the length of the profile meets the requirements, the cutting assembly 3 cuts off the profile. The cut-off profile is transported to the quenching furnace for quenching. However, due to the long distance between the quenching furnace and the extrusion line, a special vehicle is needed to transport the profile, and a special crane is needed to adjust the profile into the furnace. After quenching, the profile needs to be lifted out by the special crane and transported away. As can be seen from the above process, the existing production and quenching processes are separated from each other, and the working efficiency needs to be improved. For some aluminum alloys with a wide temperature range, online quenching can be used to save a lot of time. However, the current production equipment cannot meet such demand. SUMMARY

[0003] The utility model aims at overcoming the deficiency of prior art, and provides an extruding machine outlet online quenching device.

[0004] The utility model adopts the technical scheme of:

[0005] An extruding machine outlet online quenching device includes an extruding machine and a cold bed guide wheel set. The cold bed guide wheel set is arranged beside the outlet end of the extruding machine. The device is characterized in that a quenching sleeve is arranged between the outlet end of the extruding machine and the cold bed guide wheel set. One end of the quenching sleeve is fixed in the outlet end, and the other end of the quenching sleeve is close to the cold bed guide wheel set. The profile extruded from the outlet end of the extruding machine can move onto the cold bed guide wheel set through the quenching sleeve. The circulating water in the quenching sleeve can be sprayed onto the surface of the profile.

[0006] Further, the passage through which the profile passes in the quenching sleeve is gradually inclined downward from one end to the other end, and a water storage tank is arranged at the other end of the quenching sleeve. The water inlet end of the quenching sleeve is connected to a pressurized water source, and the water outlet end of the water storage tank is also connected to the pressurized water source.

[0007] Further, an inner sleeve that is gradually inclined downward from one end to the other end is arranged in the quenching sleeve. The inner sleeve forms a passage through which the profile passes. The two ends of the quenching sleeve and the inner sleeve are respectively connected to a sealing ring cover.

[0008] Further, the quenching sleeve is provided with at least one water inlet end, the cavity formed by the quenching sleeve, the inner sleeve and the two sealing rings is communicated with the water inlet end, and a plurality of nozzle groups are arranged on one end of the inner sleeve to the other end of the inner sleeve, each nozzle group is communicated with the cavity and the channel inside the inner sleeve; the water sprayed by the nozzle group can be sprayed to the surface of the profile passing through the inner sleeve, and the water falling from the profile surface can flow to the water storage tank from the other end of the quenching sleeve.

[0009] Further, the inner sleeve is provided with a water blocking ring inside one end of the inner sleeve.

[0010] Further, one nozzle group is arranged on one end of the inner sleeve, two nozzle groups spaced from each other are arranged on the other end of the inner sleeve, and two nozzle groups spaced from each other are arranged on the inner sleeve between the one end and the other end of the inner sleeve.

[0011] Further, the nozzle group comprises 3-6 nozzles which are uniformly arranged on the surface of the inner sleeve in a radial direction.

[0012] Further, each nozzle is embedded in the opening arranged in the inner sleeve in a one-to-one manner, and the water spraying end of the nozzle is located in the opening.

[0013] Further, an inner lining pipe is embedded in the opening, the lower end of the inner lining pipe is located in the opening, the inner surface of the lower end of the inner lining pipe is in a trumpet shape, and the nozzle is embedded in the inner lining pipe above the trumpet shape.

[0014] Further, a convex ring is arranged on the outer surface of the nozzle above the inner lining pipe, the convex ring is pressed on the upper end surface of the inner lining pipe, the fixed ring engaged with the upper end of the inner lining pipe above the opening presses the nozzle, the through hole formed on the upper end surface of the fixed ring is communicated with the inside of the nozzle, and the bottom plate in the lower end of the nozzle is provided with a plurality of nozzle openings.

[0015] The utility model discloses a quenching device for profile, which has the advantages and positive effects that:

[0016] In the utility model, the inner sleeve is arranged inside the quenching sleeve, a cavity is formed between the quenching sleeve and the inner sleeve, the inner sleeve is a channel for the profile to pass through, the water inlet end is communicated with the pressurized water source and the cavity, and the nozzle group is communicated with the cavity and the channel, that is, the profile enters the channel from the outlet end of the extruder, all the nozzle groups continuously spray the pressurized water to perform the online quenching on the profile, and the profile is transported to the cold bed guide group after coming out of the inner sleeve, thereby saving the separate quenching, transportation and processing processes, improving the work efficiency, and being especially suitable for the aluminum alloy pipes with a large temperature adaptation range. ACCURACY OF DRAWINGS

[0017] Figure 1 is the structural schematic diagram of the utility model;

[0018] Figure 2 is the enlarged sectional view of the quenching sleeve, inner sleeve;

[0019] Figure 3 is the A-A sectional view of Figure 2 ;

[0020] Figure 4 is the I part enlarged view of Figure 2 ; DETAILED DESCRIPTION

[0021] The utility model is further explained in combination with the embodiments below, the following embodiments are illustrative, not restrictive, and the protection scope of the utility model cannot be limited by the following embodiments.

[0022] An extrusion machine outlet online quenching device, comprising an extrusion machine, a cold bed guide wheel set 13, a cold bed guide wheel set is arranged on the side of the outlet end of the extrusion machine, a quenching sleeve 10 is arranged between the outlet end 4 of the extrusion machine and the cold bed guide wheel set, a fixed frame 6 is arranged on the base 7 arranged in the internal space 14 of the outlet end, one end 5 of the quenching sleeve is fixed by the fixed frame (left side), and the other end 11 of the quenching sleeve is close to the cold bed guide wheel set (right side). Figure 1 The profile extruded from the outlet end of the extrusion machine can move to the cold bed guide wheel set after passing through the quenching sleeve, and the circulating water in the quenching sleeve can be sprayed on the surface of the profile. Figure 1 The channel 20 through which the profile passes in the quenching sleeve is gradually inclined downward from one end to the other end, and a water storage tank 12 is arranged at the other end of the quenching sleeve.

[0023] The water inlet end 9 of the quenching sleeve is connected to a pressurized water source through a pipeline 8, and the water return end of the water storage tank is connected to the pressurized water source.

[0024] A preferred scheme is that an inner sleeve 18 is arranged in the quenching sleeve and gradually inclined downward from one end (left side) to the other end (right side), the inner sleeve forms a channel 20 through which the profile passes, and the two ends of the quenching sleeve and the inner sleeve are connected to a sealing ring cover 15. Figure 2 Figure 2

[0025] ​​The quenching sleeve is provided with at least one water inlet end 9, which can be multiple, and the specific number can be determined according to the flow of pressurized water and the quenching temperature. The quenching sleeve, the inner sleeve and the two sealing ring covers form a cavity 19, and the inner sleeve is provided with multiple nozzle groups 17 from one end to the other end, and each nozzle group is connected to the cavity and the channel inside the inner sleeve; the water sprayed by the nozzle group can be sprayed to the surface of the profile passing through the inner sleeve, and the water falling from the profile surface can flow to the water storage tank from the other end of the quenching sleeve.

[0026] The inner sleeve is gradually inclined from one end to the other end, that is, the water sprayed by the nozzle group can flow downward from the inclined surface, in order to avoid water flowing out from the higher end of the inner sleeve, a water blocking ring 16 is arranged inside the one end of the inner sleeve, which is made of high-temperature-resistant and smooth-surface material, that is, it will not affect the surface of the passing profile.

[0027] Figure 2 The one end of the inner sleeve on the left side is provided with one nozzle group 17, Figure 2 The other end of the inner sleeve on the right side is provided with two nozzle groups 17 spaced from each other, and the inner sleeve between the one end and the other end of the inner sleeve is like Figure 2 Two nozzle groups 17 spaced from each other are arranged below the label 9. The position of the nozzle group can be determined according to the length of the inner sleeve, the quenching temperature, the flow rate and flow of water.

[0028] The nozzle group includes 3-6 nozzles 33, which are radially and uniformly arranged on the surface of the inner sleeve. Each nozzle is embedded in the opening 28 arranged in position on the inner sleeve, and the water spraying end (lower end) of the nozzle is located in the opening. The specific mounting structure is that an inner liner pipe 27 is embedded in the opening, the convex rib or edge 26 integrally formed on the outer surface of the inner liner pipe is pressed on the surface of the inner sleeve beside the opening and is fixed on the opening by welding, the lower end of the inner liner pipe is located in the opening and the inner surface of the lower end is in the shape of a horn 29, and the nozzle is embedded in the inner liner pipe above the horn-shaped inner surface of the inner liner pipe.

[0029] The preferred scheme is that the outer surface of the nozzle above the inner liner pipe is provided with a convex ring 22, the convex ring is pressed on the upper end 25 of the inner liner pipe, the upper end surface of the engagement fixing ring 21 above the opening is engaged with the downward vertical edge 20 of the upper end surface of the inner liner pipe, the upper end surface of the fixing ring presses the upper end surface of the nozzle, the through hole 23 formed on the upper end surface of the fixing ring is connected to the inside 24 of the nozzle, and the bottom plate 32 inside the lower end of the nozzle is provided with multiple nozzles. The multiple nozzles are like Figure 4As shown, the plurality of middle nozzles 31 in the middle of the bottom plate are generally in the shape of a horn, and the outer nozzles 30 on the outer side of the outer circle are generally in the shape of an outwardly inclined horn, that is, the water sprayed by the middle nozzles and the outer nozzles also presents a horn shape, and the horn shape of the lower end of the inner sleeve pipe ensures that the water in the above-mentioned horn shape can be normally sprayed, and at the same time, the inner sleeve pipe and the spray head are located in the opening, that is, the inner surface of the inner sleeve pipe does not have a protruding shape, and will not scratch or wear the surface of the profile.

[0030] The pressurized water entering the water inlet end 9 enters the cavity 19, and then enters the spray head interior 24 from the plurality of spray head groups through the through hole 23 of each nozzle, and then is sprayed from the middle nozzles 31 and the outer nozzles 30 into the inner sleeve pipe and sprayed to the surface of the profile passing through.

[0031] In the utility model, the profile enters the channel from the outlet end of the extruder, and all the spray head groups continuously spray pressurized water to perform online quenching on the passing profile, and after the profile comes out of the inner sleeve pipe, it goes to the cold bed guide group for continuous transportation, thereby saving the separate quenching, transportation and processing processes, improving the work efficiency, and being especially suitable for aluminum alloy pipes with a large temperature adaptation range, and the spray head is located in the opening of the inner sleeve pipe, and in the process of normal water spraying, the profile will not be affected, the uniformity of water spraying is ensured, and the effect of online quenching is ensured.

Claims

1. An extrusion press outlet on-line quenching device, comprising an extrusion press, a cold bed guide wheel set, the cold bed guide wheel set being arranged beside the outlet end of the extrusion press, characterized in that: A quenching sleeve is arranged between the outlet end of an extruder and a guide roller set of a cooling bed, one end of the quenching sleeve is fixed in the outlet end of the extruder, and the other end of the quenching sleeve is close to the guide roller set of the cooling bed; the profile extruded by the outlet end of the extruder can move to the guide roller set of the cooling bed through the quenching sleeve; and the circulating water in the quenching sleeve can be sprayed on the surface of the profile.

2. The extruder exit on-line quench apparatus of claim 1 wherein: The channel through which the profile passes in the quenching sleeve is gradually inclined downward from one end to the other end, and a water storage tank is arranged at the other end of the quenching sleeve; the water inlet end of the quenching sleeve is connected to a pressurized water source, and the water outlet end of the water storage tank is connected to the pressurized water source.

3. An on-line quench installation for the exit of an extruder as claimed in claim 1 or 2, characterized in that: The quenching sleeve is provided with an inner sleeve that is gradually inclined downward from one end to the other end, and the inner sleeve forms a channel through which the profile passes; and the two ends of the quenching sleeve and the inner sleeve are respectively connected to a sealing ring cover.

4. The extrusion press exit on-line quenching apparatus of claim 3 wherein: The quenching sleeve is provided with at least one water inlet end, the quenching sleeve, the inner sleeve and the two sealing ring covers form a cavity, the water inlet end is connected to the cavity, and the inner sleeve is provided with a plurality of nozzle groups from one end to the other end, each nozzle group is connected to the cavity and the channel in the inner sleeve; the water sprayed by the nozzle group can be sprayed on the surface of the profile passing through the inner sleeve, and the water falling from the surface of the profile can flow to the water storage tank from the other end of the quenching sleeve.

5. The extrusion press exit on-line quenching device of claim 4, wherein: A water blocking ring is arranged inside the inner sleeve at one end.

6. An on-line quench installation for the exit of an extruder as claimed in claim 4 or 5, characterized in that: One nozzle group is arranged at one end of the inner sleeve, two nozzle groups are arranged at the other end of the inner sleeve, and two nozzle groups are arranged in the inner sleeve between the one end and the other end of the inner sleeve.

7. The extrusion press exit on-line quenching device according to claim 6, characterized in that: The nozzle group includes 3-6 nozzles, and the nozzles are radially and uniformly arranged on the surface of the inner sleeve.

8. The extrusion press exit on-line quenching device according to claim 7, characterized in that: Each nozzle is embedded in a corresponding opening in the inner sleeve, and the water spraying end of the nozzle is located in the opening.

9. The extrusion press exit on-line quenching device of claim 8, characterized in that: An inner lining pipe is embedded in the opening, the lower end of the inner lining pipe is located in the opening, the inner surface of the lower end is in a trumpet shape, and the nozzle is embedded in the inner lining pipe above the trumpet shape.

10. The extruder exit on-line quench apparatus of claim 8 wherein: A convex ring is arranged on the outer surface of the inner lining pipe above the nozzle, the convex ring is pressed on the upper end surface of the inner lining pipe, a fixed ring engaged with the upper end of the inner lining pipe above the opening presses the nozzle, a through hole is formed in the upper end surface of the fixed ring and connected to the inside of the nozzle, and a bottom plate is arranged in the lower end of the nozzle and provided with a plurality of nozzles.

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