Surface quenching treatment device for machining aluminum alloy stamping parts
Technical Field
The utility model relates to the technical field of aluminum alloy profile processing, in particular to a surface quenching treatment device for processing aluminum alloy stamping parts.
Background
The aluminum alloy is a nonferrous metal which is widely applied in industry and has higher economic value, the purpose of heat treatment processing of the aluminum alloy is mainly to improve the mechanical property and corrosion resistance and improve the processing properties such as cutting processing, welding and the like, because the mechanical properties of a plurality of cast aluminum alloys can not meet the use requirements, the cast aluminum alloy needs to further improve the mechanical properties and other service properties of casting through aluminum alloy heat treatment, and quenching is one of heat treatment processes. The quenching of aluminum alloy is to heat the aluminum alloy to critical temperature heat preservation for a period of time, then carries out the heat treatment technology of fast cooling with the cooling rate that is greater than critical cooling rate, and the cooling means who uses in traditional aluminum alloy stamping workpiece quenching treatment device all adopts and cools off the foundry goods submergence in the coolant liquid, and this cooling method is because can't take away the temperature on foundry goods surface fast to the cooling cycle that leads to the foundry goods is on the long side, and the cooling cycle among the aluminum alloy quenching process is short the better can be to the improvement of aluminum alloy mechanical properties, for this reason, the utility model provides a surface quenching treatment device is used for solving above-mentioned problem for aluminum alloy stamping workpiece processing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a surface quenching treatment device for processing aluminum alloy stamping parts, which solves the problems in the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a surface quenching processing apparatus is used in processing of aluminum alloy stamping workpiece, includes the supporting leg and sets up the baffle in the supporting leg top, the baffle is dull and stereotyped, has seted up the roller mounting hole on its plate body, and the baffle symmetry is provided with two, and rotates in its roller mounting hole and install the roller, and the baffle is close to the position in centre and is provided with electromagnetic heating coil group, and its rear is provided with coolant liquid sprinkler, electromagnetic heating coil group passes through the wire and is connected with the power electricity, and the upper end of coolant liquid sprinkler is provided with the inlet, and electromagnetic heating coil group all fixes on the plate body of baffle through fixing device with coolant liquid sprinkler, the aluminum alloy ex-trusions have been placed on the roller, the body of rod of aluminum alloy ex-trusions passes from electromagnetic heating coil group and coolant liquid sprinkler, and does not contact.
Preferably, the electromagnetic heating coil group is a spiral coil.
Preferably, the cooling liquid spraying device is a section of circular tube structure, the wall of the tube body is a hollow cavity, and the inner wall of the tube body is uniformly provided with spray holes which are not contacted with the aluminum alloy section.
Preferably, be provided with the hydrops fill under the coolant liquid sprinkler, the below of hydrops fill is the coolant liquid case, the lower extreme of coolant liquid case is provided with liquid outlet and leakage fluid dram, leakage fluid dram department is provided with the leakage fluid dram valve, and the upper end of its box has seted up the installation notch, and its installation notch department is provided with sealing door, and fixed welding has the fixed plate on the both ends lateral wall of its notch, and its fixed plate is put on the shelf and is equipped with the filter.
Preferably, the liquid outlet is connected with a liquid inlet on the cooling liquid spraying device through a liquid conveying pipe, a water pump is arranged in the cooling liquid tank, and the liquid outlet end of the water pump is connected with the liquid outlet.
Preferably, a cooling device is arranged in the side wall of the cooling liquid tank, and the cooling liquid used in the tank body is a sodium chloride solution with ten percent concentration.
Compared with the prior art, the beneficial effects of the utility model are that:
1. by arranging the round tubular cooling liquid spraying device and uniformly arranging the spray holes on the inner wall of the tube body, the aluminum alloy section heated by the electromagnetic heating coil group can be timely cooled in the cooling liquid spraying device, and the heat on the surface of the aluminum alloy section can be more quickly taken away by flowing liquid, so that the cooling period of quenching is shortened;
2. and through setting up hydrops fill to set up the coolant liquid case in the below of hydrops fill, and set up the liquid pump in the coolant liquid case, thereby realize the cyclic utilization to the coolant liquid, unusual environmental protection.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the position of the electromagnetic heating coil assembly and the coolant spraying device of the present invention;
fig. 3 is a schematic structural view of the electromagnetic heating coil assembly of the present invention;
FIG. 4 is a schematic structural view of the cooling liquid spraying apparatus of the present invention;
FIG. 5 is a front view of the cooling liquid tank of the present invention;
fig. 6 is a cross-sectional view taken along line a-a of fig. 5.
In the figure: supporting legs 1, baffle 2, roller 3, electromagnetic heating coil group 4, coolant liquid sprinkler 5, wire 6, inlet 7, orifice 8, aluminum alloy ex-trusions 9, transfer line 10, coolant liquid case 11, hydrops fill 12, liquid outlet 13, leakage fluid dram 14, filter 15, fixed plate 16, sealing door 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a surface quenching treatment device for processing an aluminum alloy stamping part comprises a supporting leg 1 and a baffle 2 arranged above the supporting leg 1, wherein the baffle 2 is a flat plate, the plate body is provided with two roller shaft mounting holes, the baffle plates 2 are symmetrically arranged, the roller shafts 3 are rotatably arranged in the roller shaft mounting holes, an electromagnetic heating coil group 4 is arranged at the position of the baffle 2 close to the middle, a cooling liquid spraying device 5 is arranged at the rear part of the baffle, the electromagnetic heating coil group 4 is electrically connected with a power supply through a lead 6, and the upper end of the cooling liquid spraying device 5 is provided with a liquid inlet 7, the electromagnetic heating coil group 4 and the cooling liquid spraying device 5 are fixed on the plate body of the baffle plate 2 through fixing devices, the roller shaft 3 is provided with an aluminum alloy section bar 9, and the rod body of the aluminum alloy section bar 9 passes through the electromagnetic heating coil group 4 and the cooling liquid spraying device 5 and is not in contact with the electromagnetic heating coil group 4 and the cooling liquid spraying device 5.
Further, the electromagnetic heating coil group 4 is a spiral coil, and heating is performed by using the electromagnetic heating coil group 4, so that the heating efficiency is higher than that of a conventional heating device;
furthermore, the cooling liquid spraying device 5 is a section of circular tube structure, the wall of the tube body is a hollow cavity, the inner wall of the tube body is uniformly provided with spray holes 8, the spray holes 8 are not contacted with the aluminum alloy section bar 9, the circular tube-shaped cooling liquid spraying device 5 is arranged, and the spray holes 8 are uniformly formed in the inner wall of the tube body, so that the aluminum alloy section bar 9 heated by the electromagnetic heating coil group 5 can be timely cooled in the cooling liquid spraying device 5, the heat on the surface of the aluminum alloy section bar can be more quickly taken away by flowing liquid, and the cooling period of quenching is shortened;
furthermore, a liquid accumulation hopper 12 is arranged right below the cooling liquid spraying device 5, a cooling liquid box 11 is arranged below the liquid accumulation hopper 12, a liquid outlet 13 and a liquid outlet 14 are arranged at the lower end of the cooling liquid box 11, a liquid outlet valve is arranged at the position of the liquid outlet 14, an installation notch is formed in the upper end of a box body of the cooling liquid box, a sealing door 17 is arranged at the position of the installation notch, fixing plates 16 are fixedly welded on the side walls of two ends of the notch, a filter plate 15 is erected on the fixing plates 16, and the influence on the water cooling effect caused by excessive impurity accumulation of the cooling liquid in the using process is avoided by arranging the filter plate 15;
further, the liquid outlet 13 is connected with a liquid inlet on the cooling liquid spraying device 5 through a liquid conveying pipe 10, a water pump is arranged in the cooling liquid tank 11, the liquid outlet end of the water pump is connected with the liquid outlet 13, the liquid accumulation hopper 12 is arranged, the cooling liquid tank 11 is arranged below the liquid accumulation hopper 12, and the liquid pump is arranged in the cooling liquid tank 11, so that the cyclic utilization of the cooling liquid is realized, and the cooling liquid spraying device is very environment-friendly;
furthermore, a cooling device is arranged in the side wall of the cooling liquid tank 11, the cooling liquid used in the tank body is a sodium chloride solution with ten percent concentration, and the sodium chloride solution is used as the cooling liquid, so that the formation of an air film on the surface of the aluminum alloy section 9 can be reduced, and the cooling effect can be improved;
the working principle is as follows: during the in-service use, through setting up pipe form coolant liquid sprinkler 5, and evenly set up orifice 8 on the inner wall of body, thereby 9 can be timely cool off in coolant liquid sprinkler 5 when the aluminum alloy ex-trusions after 5 heats through electromagnetic heating coil group, can be faster take away the heat on aluminum alloy ex-trusions surface through the liquid that flows, thereby shorten the cooling cycle of quenching, and used coolant liquid can be collected through long-pending liquid fill 12, and get into coolant liquid case 11, then filter the impurity that appears because of using in the coolant liquid through filter 15 wherein, and cool down through cooling device, then utilize in going into transfer line 10 from the new pump through the water pump again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.