CN203247289U - Numerically controlled micro-pressure gas thermal-cold circulation annealer - Google Patents
Numerically controlled micro-pressure gas thermal-cold circulation annealer Download PDFInfo
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- CN203247289U CN203247289U CN 201320263309 CN201320263309U CN203247289U CN 203247289 U CN203247289 U CN 203247289U CN 201320263309 CN201320263309 CN 201320263309 CN 201320263309 U CN201320263309 U CN 201320263309U CN 203247289 U CN203247289 U CN 203247289U
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- 239000007789 gas Substances 0.000 claims abstract description 65
- 238000010438 heat treatment Methods 0.000 claims abstract description 57
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 238000000137 annealing Methods 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims description 31
- 230000001351 cycling effect Effects 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 8
- 230000005855 radiation Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 230000000740 bleeding effect Effects 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 19
- 229910052802 copper Inorganic materials 0.000 abstract description 19
- 239000010949 copper Substances 0.000 abstract description 19
- 239000004020 conductor Substances 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract 2
- 239000000112 cooling gas Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model provides a numerically controlled micro-pressure gas thermal-cold circulation annealer, which comprises a heating system, a working system, a cooling circulation system, a vacuumizing and discharging system and a numerical control system, wherein a first upper gas guide chamber and a first lower gas guide chamber of the heating system are respectively communicated with a second upper gas guide chamber and a second lower gas guide chamber of the working system; the outlet and the inlet of a circulation blower of the cooling circulation system are respectively communicated with two cooling gas pipes of the working system; an exhaust pipe of the vacuumizing and discharging system is communicated with an inflation and depressurization pipe of the working system, and the heating system, the working system and the cooling circulation system are controlled by the numerical control system. The numerically controlled micro-pressure gas thermal-cold circulation annealer can be used for uniformly heating a bare copper conductor in the annealer, ensures the uniformity of the electromechanical properties of the whole bare copper conductor after annealing, so that the time for the whole production process of copper wires is greatly shortened. The working pressure adopts a micro-pressure way, as a result, the manufacturing cost of the thermal-cold circulation annealer is greatly lowered, and the safety of the thermal-cold circulation annealer is ensured.
Description
Technical field
The utility model relates to a kind of cable annealing device, particularly relates to a kind of digital control type micro pressure gas cold cycling annealing furnace.
Background technology
At present cable annealing well formula annealing furnace commonly used, its heat transfer mode are static the heat transfer: i.e. the mode of electrothermal tube → metal tank skin → turnover iron pan → bare copper conductor, and electrothermal tube → metal tank skin → shielding gas → dual modes such as bare copper conductor.When it is produced the annealing heating time long, after the annealing cooling time long, whole copper conductor is annealed to the cooling period and reaches more than 30 hour, and Annealing Protection atmosphere operating pressure height, at 0.3～0.4MPa.The tooling cost of producing bare copper conductor is high, can not be temperature automatically controlled in the annealing process, and the upper, middle and lower inequality of being heated causes the electromechanical properties of product unstable in the annealing furnace.
The utility model content
For solving the problems of the technologies described above, the utility model provides a kind of dynamic heat transfer, temperature automatically controlled and can guarantee that product has the digital control type micro pressure gas cold cycling annealing furnace of stable electromechanical properties.
The technical solution adopted in the utility model is: comprise heating system, work system, cooling recirculation system, vacuumize and blowdown system and digital control system;
Described heating system comprises furnace shell, bell and the furnace wall of being made by the furnace lining high temperature material, described furnace shell is wrapped on the outer side of furnace wall, the furnace cover lifting swivel arrangement is installed on the furnace shell, the upper end of furnace cover lifting swivel arrangement is connected with bell, furnace shell and bell are tightly connected, and adopt bolt and nut to compress; Vertical direction is all established and is furnished with a plurality of vacuum temperature measuring equipments on the furnace wall, is provided with electrothermal radiation tube in the burner hearth, the top of furnace wall and bottom be respectively equipped be communicated with burner hearth first on air guiding chamber and first time air guiding chamber, be provided with a recirculation blower in first time air guiding chamber;
Described work system comprises furnace shell and the furnace wall of being made by the furnace lining high temperature material, and described furnace shell is wrapped in the outside of furnace wall, and furnace shell is provided with the inflation relief pipeline that is communicated with burner hearth; The tail end of furnace shell is connected with fire door by device for locking door; Horizontal direction has been evenly arranged a plurality of thermocouple temperature measuring apparatus on the furnace wall; Burner hearth upper front end and bottom are respectively equipped with air guiding chamber and second time air guiding chamber on second, and both sides are respectively equipped with the cooling wind-guiding chamber that is communicated with two cooling ducts on the furnace shell; Air guiding chamber is communicated with air guiding chamber on first on second, and second time air guiding chamber is communicated with first time air guiding chamber
,The bottom of burner hearth is provided with air flow guiding device and supporting-point roller track; Described air flow guiding device is communicated with second time air guiding chamber;
Described cooling recirculation system comprises recirculation blower, the import of described recirculation blower and outlet are communicated with two cooling ducts of work system by pipeline respectively, the pipeline that the outlet of recirculation blower is communicated with cooling duct is provided with an air compartment, be provided with water cooler in the air compartment, the import of water cooler and outlet are respectively equipped with inlet channel and outlet conduit;
Described vacuumize and blowdown system comprise one with the pump-line that is communicated with of inflation relief pipeline, the upper end of pump-line is connected with gas exhaust duct, gas exhaust duct is provided with exhaust solenoid valve and manual exhaust valve; The lower end of pump-line is provided with the magnetic valve of bleeding, and inflation relief pipeline and bleed and be communicated with a gas pipe line between the magnetic valve on the pump-line, gas pipe line are provided with gas transmission magnetic valve and manual gas valve;
Described digital control system comprises heating system temperature control unit, work system temperature control unit and PLC touch-screen control device, and described heating system temperature control unit, work system temperature control unit are connected with PLC touch-screen control device respectively; Described heating system temperature control unit is connected with a plurality of vacuum temperature measuring equipments of heating system; Described work system temperature control unit is connected with a plurality of thermocouple temperature measuring apparatus of work system; The PLC touch-screen control device of described digital control system is respectively with the electrothermal radiation tube of heating system and vacuumize and digital vacuum pressure gauge, the exhaust solenoid valve of blowdown system, bleed magnetic valve and gas transmission magnetic valve are connected.
In the above-mentioned digital control type micro pressure gas cold cycling annealing furnace, also comprise material transport system, material transport system is near the fire door setting of work system, described material transport system comprises guiding track and is installed in materials vehicle on the guiding track, described guiding track is perpendicular to the rail-guided direction setting of the supporting-point roller of work system burner hearth bottom, described materials vehicle is provided with the second supporting-point roller track and hydraulic thrust pull bar, the guide direction of the second supporting-point roller track and hydraulic thrust pull bar axis are all perpendicular to the guide direction of guiding track, the second supporting-point roller track is provided with movable supporting frame, and the telescopic end of hydraulic thrust pull bar is connected with movable supporting frame.
In the above-mentioned digital control type micro pressure gas cold cycling annealing furnace, be tightly connected by sealing-ring and watercooling jacket between described furnace shell and the bell.
In the above-mentioned digital control type micro pressure gas cold cycling annealing furnace, air guiding chamber on described first
,Be equipped with an electrically operated valve in first time air guiding chamber.
In the above-mentioned digital control type micro pressure gas cold cycling annealing furnace, described vacuumize and the gas exhaust duct of blowdown system is provided with a digital vacuum pressure gauge, described gas pipe line is provided with a pointer vacuum pressure gauge.
The beneficial effects of the utility model are:
The utility model transferring heat mode is: dynamic heat transfer, allow shielding gas automated cycle when cold conditions, when hot, and realize the cold and hot exchange of gas; Heat transfer type during its concrete heating is: electrothermal tube → shielding gas → bare copper conductor; Move in circles; Heat transfer type during its concrete cooling is: the shielding gas → bare copper conductor of cold conditions → hot shielding gas; Move in circles; In the bare copper conductor annealing process, the utility model is controlled the flow that heat-up time, Heating temperature, cooling temperature, cooling time and control shielding gas circulate automatically by digital control system, and the bare copper conductor in the annealing furnace is heated evenly; Bare copper conductor electromechanical properties after guaranteeing to anneal are uniformity from the inside to the outside; Thereby greatly shortened the time of the whole process of copper conductor production; The utility model can make work system atmosphere operating pressure maintain about 2000Pa, operating pressure is low, thereby determined that the utility model is not high-tension apparatus, so that manufacturing cost of the present utility model reduces greatly, and guaranteed the utility model Operation safety.
Description of drawings
Fig. 1 is perspective view of the present utility model.
Fig. 2 is heating system structural representation of the present utility model.
Fig. 3 is the internal structure synoptic diagram of work system of the present utility model.
Fig. 4 is the external structure synoptic diagram of work system of the present utility model.
Fig. 5 is A-A sectional view among Fig. 4.
Fig. 6 is cooling recirculation system front view of the present utility model.
Fig. 7 is cooling recirculation system vertical view of the present utility model.
Fig. 8 is cooling recirculation system stereographic map of the present utility model.
Fig. 9 is of the present utility model vacuumizing and the blowdown system structural representation.
Figure 10 is material transport system stereographic map of the present utility model.
Figure 11 is the structural representation that the second supporting-point roller track of material transport system of the present utility model is installed at materials vehicle.
Figure 12 is the structural representation that the hydraulic thrust pull bar of material transport system of the present utility model is installed at materials vehicle.
Figure 13 is the structural representation of the hydraulic thrust pull bar of material transport system of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
As shown in Figure 1, a kind of digital control type micro pressure gas cold cycling annealing furnace of the present utility model comprises heating system 1, work system 2, cooling recirculation system 3, material transport system 4, vacuumizes and blowdown system 5 and digital control system 6.
As shown in Figure 2, heating system 1 of the present utility model comprises furnace shell 1-1, bell 1-2 and the furnace wall 1-5 that is made by the furnace lining high temperature material, described furnace shell 1-1 is wrapped on the outer side of furnace wall 1-5, furnace cover lifting swivel arrangement 1-3 is installed on the furnace shell 1-1, the upper end of furnace cover lifting swivel arrangement 1-3 is connected with bell 1-2, be tightly connected by sealing-ring and watercooling jacket 1-4 between furnace shell 1-1 and the bell 1-2, and compress by bolt and nut; 1-5 upper vertical direction in furnace wall has been evenly arranged three vacuum temperature measuring equipment 1-7, be provided with electrothermal radiation tube 1-6 in the burner hearth, the top of furnace wall 1-5 and bottom be respectively equipped be communicated with burner hearth first on the 1-8 of air guiding chamber and first time 1-11 of air guiding chamber, be equipped with an electrically operated valve 1-10 on the 1-8 of air guiding chamber and first time 1-11 of air guiding chamber on first, be provided with a recirculation blower 1-9 in first time 1-11 of air guiding chamber.Water cooled pipeline also is installed on the recirculation blower 1-9, adopts recirculated water that it is lowered the temperature, recirculation blower 1-9 adopts motor, frequency transformer to implement speed control by frequency variation.
To adopt thickness be that the stainless steel plate of 10～20mm is made to furnace shell 1-1 in the heating system 1; Bell 1-2 and furnace cover lifting swivel arrangement 1-3 are connected in one, and can control it by furnace cover lifting swivel arrangement 1-3 and move up and down, and can rotate around the vertical shaft 1-3-1 of furnace cover lifting swivel arrangement 1-3
,Its effect is when needing replacing electrothermal radiation tube 1-6, in order to open bell 1-2.The sealing-ring of furnace shell 1-1 and bell 1-2 junction and watercooling jacket 1-4; Watercooling jacket prevents that near the sealing-ring setting high temperature action lower seal from losing sealing function, has better sealing effectiveness.Electrothermal radiation tube 1-6 is that the inboard of the furnace wall 1-5 of close furnace lining high temperature material formation arranges, three vacuum temperature measuring equipment 1-7 in the heating system 1, minute three of upper, middle and lowers are evenly arranged on the 1-5 of furnace wall, temperature in the vacuum temperature measuring equipment 1-7 master control burner hearth in middle part, temperature in all the other two vacuum temperature measuring equipment 1-7 monitoring burner hearths.The effect of electrically operated valve 1-10 is: when heating system 1 was carried out heating work, electrically operated valve 1-10 opened, and when heating system 1 stopped heating was worked, electrically operated valve 1-10 closed; The operating frequency that recirculation blower 1-9 opens when heating system 1 is carried out heating work is 50Hz, and the operating frequency of recirculation blower 1-9 is 20～40Hz when heating system 1 stopped heating is worked, and is entirely set and is controlled by digital control system 6.
As shown in Figure 3, described work system 2 comprises furnace shell 2-1 and the furnace wall 2-2 that is made by the furnace lining high temperature material, and described furnace shell 2-1 is wrapped in the outside of furnace wall 2-2, and 2-2 upper horizontal direction in furnace wall has been evenly arranged three thermocouple temperature measuring apparatus 2-6; Burner hearth upper front end and bottom are respectively equipped with the 2-3 of air guiding chamber and second time 2-10 of air guiding chamber on second; On second on first of the 2-3 of air guiding chamber and heating system 1 1-8 of air guiding chamber be communicated with, second time the 2-10 of air guiding chamber is communicated with first time 1-11 of air guiding chamber of heating system 1, the bottom of burner hearth is provided with air flow guiding device 2-8 and supporting-point roller track 2-4; Described air flow guiding device 2-8 is communicated with second time 2-10 of air guiding chamber.Shown in Fig. 4,5, furnace shell 2-1 is provided with the inflation relief pipeline 2-5 that is communicated with burner hearth, and the front end both sides are respectively equipped with two cooling duct 2-7 that are communicated with the cooling wind-guiding chamber; The tail end of furnace shell 2-1 is connected with fire door 2-9 by device for locking door 2-11; The quantity of air flow guiding device 2-8 is three.
On second on the 2-3 of air guiding chamber and first 1-8 of air guiding chamber be communicated with, second time the 2-10 of air guiding chamber is communicated with first time 1-11 of air guiding chamber, and the gas circulation flow process in the heating system 1 is: in the first time 1-11 of the air guiding chamber → second time 2-10 of air guiding chamber → guiding device 2-8 → work system 2 burner hearth → second on the 2-3 of air guiding chamber → first in air guiding chamber's 1-8 → heating system 1 burner hearth; The gas that flows in work system 2 burner hearths is directly implemented heating to bare copper conductor by the inside that air flow guiding device 2-8 shunted and be evenly distributed to work system 2.Three thermocouple temperature measuring apparatus 2-6 effect is to the temperature implementing monitoring in the work system 2, and its signal feedback is to digital control system 6, and digital control system 6 is implemented control by PLC touch-screen control device to the acid extraction of heating system 1 inside.The open and close of fire door 2-9 is by driven by motor, and after fire door 2-9 closed, device for locking door 2-11 pushed down fire door 2-9, and when fire door 2-9 opened, device for locking door 2-11 also opened accordingly; Haveing suffered control process finishes by digital control system 6.
As shown in Figure 6, described cooling recirculation system 3 comprises recirculation blower 3-1, and the import of described recirculation blower 3-1 and outlet are communicated with two cooling duct 2-7 of work system 2 by pipeline respectively; Be equipped with a magnetic valve 3-4 on the import of described recirculation blower 3-1 and outlet and the pipeline that two cooling duct 2-7 of work system 2 are communicated with.Shown in Fig. 7,8, the pipeline that the outlet of recirculation blower 3-1 is communicated with cooling duct 2-7 is provided with an air compartment 3-3, is provided with water cooler 3-2 in the air compartment 3-3, and the import of water cooler 3-2 and outlet are respectively equipped with inlet channel 3-5 and outlet conduit 3-6.The water cooler 3-2 of air compartment 3-3 inside, its effect is by recirculated water the heat of hot gas to be taken away, and implements cold and hot exchange.
When digital control system 6 gives magnetic valve 3-4 that signal makes cooling recirculation system 3 and closes; recirculation blower 1-9 starts working; shielding gas is flowed into work system 2 by heating system 1 by first time 1-11 of air guiding chamber and second time 2-10 of air guiding chamber; gas in the work system 2 flows to heating system 1 by the 1-8 of air guiding chamber on the 2-3 of air guiding chamber and first on second; shielding gas is circulated between heating system 1 and work system 2, cold and hot exchange is carried out in the inside of work system 2.
When needs heat, digital control system 6 gives signal makes heating system 1 carry out heating work, in the situation that simultaneously electrically operated valve 1-10 opens, magnetic valve 3-4 closes, recirculation blower 1-9 is (being that electric machine frequency is 50Hz) work at full capacity, to the intensification that circulates of the hot gas of work system 2 inside.
When needs are lowered the temperature, digital control system 6 gives signal and makes heating system 1 stopped heating work, in the situation that simultaneously electrically operated valve 1-10 closes, magnetic valve 3-4 opens, recirculation blower 3-1 is (being that electric machine frequency is 50Hz) work at full capacity, and the hot gas of work system 2 inside is carried out circulation temperature lowering.Wherein recirculation blower 3-1 adopts motor, frequency transformer to implement speed control by frequency variation
,Its frequency is 20～40Hz.
As shown in Figure 9, described vacuumize and blowdown system 5 comprises a pump-line 5-8 who is communicated with the inflation relief pipeline 2-5 of work system 2, the upper end of pump-line 5-8 is connected with gas exhaust duct 5-9, and gas exhaust duct 5-9 is provided with exhaust solenoid valve 5-3, manual exhaust valve 5-4 and digital vacuum pressure gauge 5-1; The lower end of pump-line 5-8 is provided with the magnetic valve 5-5 that bleeds, pump-line 5-8 upward inflates relief pipeline 2-5 and bleeds and is communicated with a gas pipe line 5-10 between the magnetic valve 5-5, and gas pipe line 5-10 is provided with gas transmission magnetic valve 5-7, manual gas valve 5-6 and pointer vacuum pressure gauge 5-2.
Working range-0.1MPa of described digital vacuum pressure gauge 5-1～+ 0.1MPa; Digital vacuum pressure gauge 5-1 is connected with digital control system 6, and main effect is that the internal work pressure of control work system 2 is in the scope of regulation.Described pointer vacuum pressure gauge 5-2 mainly plays monitoring; Described pump-line 5-8 lower end is connected with vaccum pump unit; Manual exhaust valve 5-4, manual gas valve 5-6 implement artificial switching under special circumstances.
Described material transport system 4 arranges near the fire door 2-9 of work system 2, as shown in figure 10, described material transport system comprises guiding track 4-3 and is installed in materials vehicle 4-1 on the guiding track, described guiding track 4-3 is perpendicular to the guide direction setting of the supporting-point roller track 2-4 of work system 2 burner hearth bottoms, described materials vehicle 4-1 is provided with the second supporting-point roller track 4-4 and hydraulic thrust pull bar 4-5, such as Figure 11, shown in 12, the guide direction of the second supporting-point roller track 4-4 and hydraulic thrust pull bar 4-5 axis are all perpendicular to the guide direction of guiding track 4-3, the second supporting-point roller track 4-4 is provided with movable supporting frame 4-2, and the telescopic end of hydraulic thrust pull bar 4-5 is connected with movable supporting frame 4-2.
Described movable supporting frame 4-2 Main Function is that the iron pan that bare copper conductor is housed is put thereon, integrated moving is to the inside of work system 2, bare copper conductor is implemented softening annealing, movement out after annealing was finished, again accept the bare copper conductor that does not have annealing, the movement of movable supporting frame 4-2 moves at supporting-point roller track 4-4.Described guiding track 4-3 two ends are equipped with spacing electric control gear, can not move to preposition to prevent materials vehicle 4-1.Described the second supporting-point roller track 4-4 Main Function will support movable supporting frame 4-2 with roll mode, and it moves forward and backward; At the second supporting-point roller track 4-4 support spacing electric control gear is installed, can not moves to preposition to prevent hydraulic thrust pull bar 4-5.
As shown in figure 13, hydraulic thrust pull bar 4-5 comprises two joint push-pull rod 4-5-1, and the end of push-pull rod 4-5-1 is equipped with rotatable push pedal 4-5-2; Before being respectively equipped with, the upper push pedal 4-5-2 both sides of push-pull rod 4-5-1 push and plug pin-and-hole 4-5-3 and post-tensioning pin hole 4-5-4; When pushing ahead, its latch inserts and pushes and plugs in the pin-and-hole 4-5-3, if its latch then inserts in the post-tensioning pin hole 4-5-4 when pulling back.
Described digital control system 6 comprises heating system temperature control unit, work system temperature control unit, temperature recording unit, PLC touch-screen control device and determination of oxygen content display unit; Described heating system temperature control unit, work system temperature control unit are connected with PLC touch-screen control device respectively.Wherein the heating system temperature control unit is connected with three vacuum temperature measuring equipment 1-7 of heating system 1, the three sections temperature of upper, middle and lower that show heating system 1 inside, and pass through PLC touch-screen control device with the temperature at middle part the acid extraction of heating system 1 inside is implemented control.
The work system temperature control unit is connected with three thermocouple temperature measuring apparatus 2-6 of work system 2, shows the three sections temperature of horizontal direction in the work system 2, and its signal is to be come by thermocouple temperature measuring apparatus 2-6 input, feeds back to simultaneously PLC touch-screen control device.
Temperature recording unit is as heating, cooling and the whole implementation Process record of corresponding time, adopts the curve distribution of temperature, time, three parameters of pressure.On its device USB interface is installed, regularly carries out the collection of data.
The PLC touch-screen control device of digital control system 6 is to the electrothermal radiation tube 1-6 control of heating system 1, to reach the purpose of the acid extraction of controlling heating system 1 inside.The PLC touch-screen control device of digital control system 6 is connected with digital vacuum pressure gauge 5-1, and it is controlled, with the internal work pressure that reaches control work system 2 in the purpose of specialized range.The PLC touch-screen control device of digital control system 6 and exhaust solenoid valve 5-3, bleed magnetic valve 5-5 and gas transmission magnetic valve 5-7 are connected, and the switching of control exhaust solenoid valve 5-3, bleed magnetic valve 5-5 and gas transmission magnetic valve 5-7.
Wherein the determination of oxygen content display unit is connected with work system 2, and whether the oxygen level of monitoring work system 2 inside reaches specified requirement.
Except material transport system 4, digital control system 6, the inside of all the other four systemses is to keep sealing in the utility model, and oxygen can not enter when guaranteeing whole work, avoids the oxidation of bare copper conductor.Bare copper conductor shortens to and only has about 12 hours from being annealed to the whole cycle of cooling.
Claims (9)
1. a digital control type micro pressure gas cold cycling annealing furnace is characterized in that: comprise heating system, work system, cooling recirculation system, vacuumize and blowdown system and digital control system;
Described heating system comprises furnace shell, bell and the furnace wall of being made by the furnace lining high temperature material, described furnace shell is wrapped on the outer side of furnace wall, the furnace cover lifting swivel arrangement is installed on the furnace shell, the upper end of furnace cover lifting swivel arrangement is connected with bell, furnace shell and bell are tightly connected, and adopt bolt and nut to compress; Vertical direction is all established and is furnished with a plurality of vacuum temperature measuring equipments on the furnace wall, is provided with electrothermal radiation tube in the burner hearth, the top of furnace wall and bottom be respectively equipped be communicated with burner hearth first on air guiding chamber and first time air guiding chamber, be provided with a recirculation blower in first time air guiding chamber;
Described work system comprises furnace shell and the furnace wall of being made by the furnace lining high temperature material, and described furnace shell is wrapped in the outside of furnace wall, and furnace shell is provided with the inflation relief pipeline that is communicated with burner hearth; The tail end of furnace shell is connected with fire door by device for locking door; Horizontal direction has been evenly arranged a plurality of thermocouple temperature measuring apparatus on the furnace wall; Burner hearth upper front end and bottom are respectively equipped with air guiding chamber and second time air guiding chamber on second, and both sides are respectively equipped with the cooling wind-guiding chamber that is communicated with two cooling ducts on the furnace shell; Air guiding chamber is communicated with air guiding chamber on first on second, and second time air guiding chamber is communicated with first time air guiding chamber
,The bottom of burner hearth is provided with air flow guiding device and supporting-point roller track; Described air flow guiding device is communicated with second time air guiding chamber;
Described cooling recirculation system comprises recirculation blower, and the import of described recirculation blower and outlet are respectively by two of pipeline and work system
Cooling ductBe communicated with, the pipeline that the outlet of recirculation blower is communicated with cooling duct is provided with an air compartment, is provided with water cooler in the air compartment, and the import of water cooler and outlet are respectively equipped with inlet channel and outlet conduit;
Described vacuumize and blowdown system comprise one with the pump-line that is communicated with of inflation relief pipeline, the upper end of pump-line is connected with gas exhaust duct, gas exhaust duct is provided with exhaust solenoid valve and manual exhaust valve; The lower end of pump-line is provided with the magnetic valve of bleeding, and inflation relief pipeline and bleed and be communicated with a gas pipe line between the magnetic valve on the pump-line, gas pipe line are provided with gas transmission magnetic valve and manual gas valve;
Described digital control system comprises heating system temperature control unit, work system temperature control unit and PLC touch-screen control device, and described heating system temperature control unit, work system temperature control unit are connected with PLC touch-screen control device respectively; Described heating system temperature control unit is connected with a plurality of vacuum temperature measuring equipments of heating system; Described work system temperature control unit is connected with a plurality of thermocouple temperature measuring apparatus of work system; The PLC touch-screen control device of described digital control system is respectively with the electrothermal radiation tube of heating system and vacuumize and digital vacuum pressure gauge, the exhaust solenoid valve of blowdown system, bleed magnetic valve and gas transmission magnetic valve are connected.
2. digital control type micro pressure gas cold cycling annealing furnace as claimed in claim 1, it is characterized in that: also comprise material transport system, material transport system is near the fire door setting of work system, described material transport system comprises guiding track and is installed in materials vehicle on the guiding track, described guiding track is perpendicular to the rail-guided direction setting of the supporting-point roller of work system burner hearth bottom, described materials vehicle is provided with the second supporting-point roller track and hydraulic thrust pull bar, the guide direction of the second supporting-point roller track and hydraulic thrust pull bar axis are all perpendicular to the guide direction of guiding track, the second supporting-point roller track is provided with movable supporting frame, and the telescopic end of hydraulic thrust pull bar is connected with movable supporting frame.
3. digital control type micro pressure gas cold cycling annealing furnace as claimed in claim 1 is characterized in that: be tightly connected by sealing-ring and watercooling jacket between described furnace shell and the bell.
4. digital control type micro pressure gas cold cycling annealing furnace as claimed in claim 1 is characterized in that: be equipped with an electrically operated valve in air guiding chamber and first time air guiding chamber on described first.
5. digital control type micro pressure gas cold cycling annealing furnace as claimed in claim 1 is characterized in that: described vacuumize and the gas exhaust duct of blowdown system is provided with a digital vacuum pressure gauge, described gas pipe line is provided with a pointer vacuum pressure gauge.
6. digital control type micro pressure gas cold cycling annealing furnace as claimed in claim 1, it is characterized in that: described digital control system also comprises temperature recording unit and determination of oxygen content display unit; Described temperature recording unit is provided with USB interface, and the determination of oxygen content display unit is connected with work system.
7. digital control type micro pressure gas cold cycling annealing furnace as claimed in claim 1 is characterized in that: be equipped with a magnetic valve on the import of recirculation blower and outlet and the pipeline that two cooling ducts of work system are communicated with.
8. digital control type micro pressure gas cold cycling annealing furnace as claimed in claim 1, it is characterized in that: the material of the furnace shell of described heating system is the thick stainless steel plate of 10 ~ 20mm.
9. digital control type micro pressure gas cold cycling annealing furnace as claimed in claim 2 is characterized in that: described hydraulic thrust pull bar comprises two joint push-pull rods, and an end of push-pull rod is equipped with rotatable push pedal; Push and plug pin-and-hole and post-tensioning pin hole before the push pedal both sides are respectively equipped with on the push-pull rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201320263309 CN203247289U (en) | 2013-05-15 | 2013-05-15 | Numerically controlled micro-pressure gas thermal-cold circulation annealer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320263309 CN203247289U (en) | 2013-05-15 | 2013-05-15 | Numerically controlled micro-pressure gas thermal-cold circulation annealer |
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| CN203247289U true CN203247289U (en) | 2013-10-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225012A (en) * | 2013-05-15 | 2013-07-31 | 湖南新新线缆有限公司 | Numerical control type micro-pressure gas cold-heat circulating annealing furnace |
| CN110218854A (en) * | 2018-03-04 | 2019-09-10 | 金华职业技术学院 | A kind of warm temperature adjustment annealing furnace system of benefit |
-
2013
- 2013-05-15 CN CN 201320263309 patent/CN203247289U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225012A (en) * | 2013-05-15 | 2013-07-31 | 湖南新新线缆有限公司 | Numerical control type micro-pressure gas cold-heat circulating annealing furnace |
| CN103225012B (en) * | 2013-05-15 | 2014-10-22 | 湖南新新线缆有限公司 | Numerical control type micro-pressure gas cold-heat circulating annealing furnace |
| CN110218854A (en) * | 2018-03-04 | 2019-09-10 | 金华职业技术学院 | A kind of warm temperature adjustment annealing furnace system of benefit |
| CN110218854B (en) * | 2018-03-04 | 2022-11-04 | 浙江天旗杯业有限公司 | Temperature-supplementing and temperature-regulating annealing furnace system |
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