CN209162124U - It is a kind of can in cold high temperature box type resistance furnace - Google Patents

Abstract

The utility model discloses it is a kind of can in cold high temperature box type resistance furnace, belong to metal annealing technology field, this can in cold high temperature box type resistance furnace include temperature controllable electric furnace, temperature controllable furnace bottom setting main support, the main sliding rack being slidably connected on main support, the annealing device being fixedly mounted on main sliding rack, the secondary support that the outside of main sliding rack is fixedly mounted, the secondary sliding rack being slidably connected on secondary support, the sealing adiabatic apparatus being fixedly mounted on secondary sliding rack seals the rod-shaped temperature sensor installed on adiabatic apparatus.The utility model combines the organization plan of the double-deck sliding rack using temperature controllable electric furnace, hydrogen and argon gas are communicated with inside annealing device simultaneously, metal to be processed can be precisely heated to certain specific temperature by the resistance furnace in non-oxidizing situation, and the Cooling Quenching effect of friction speed is then realized using argon gas.

Description

It is a kind of can in cold high temperature box type resistance furnace

Technical field

The utility model relates to metal annealing technology fields, more particularly to one kind can interior cold high temperature box type resistance furnace.

Background technique

Heat-treatment furnace is divided into annealing furnace, glowing furnace, tempering furnace, normalizing furnace, hardening and tempering furnace, is mainly used for large-scale carbon steel, alloy The annealing of steel part；The tempering of surface hardening part；The heat treatment process such as weldment stress relief annealing, timeliness, heating method have electricity to add Heat, fuel oil, combustion gas, fire coal, hot air circulation etc..The existing treatment furnace structure for workpiece is complicated, inconvenient, existing to lack Point is that cooling rate is slower in stove progress cooling procedure after reaching soaking time, and the mesh for being quickly cooled down and realizing quenching is not achieved in workpiece , mechanical performance does not reach requirement after heat treatment, cannot achieve the rapid cooling of workpiece to be processed.

Utility model content

In view of this, the utility model combines the organization plan of the double-deck sliding rack using temperature controllable electric furnace, while in Re Chu It is communicated with hydrogen and argon gas inside reason device, which can precisely be heated to metal to be processed in non-oxidizing situation Then certain specific temperature realizes the Cooling Quenching effect of friction speed using argon gas.

The utility model is solved the above problems by following technological means:

It is a kind of can in cold high temperature box type resistance furnace, including temperature controllable electric furnace is arranged in the bottom of the temperature controllable electric furnace There is main support, main sliding rack is slidably connected on the main support, heat treatment dress is fixedly installed on the main sliding rack It sets, secondary support is fixedly installed on the outside of the main sliding rack, secondary sliding rack is slidably connected on the secondary support, described It is fixedly installed with sealing adiabatic apparatus on secondary sliding rack, temperature inside measurement annealing device is installed on the sealing adiabatic apparatus The rod-shaped temperature sensor of degree, in which:

The temperature controllable electric furnace is internally provided with heating chamber, and the outside of the heating chamber is wrapped up by electric furnace heating wire；

The annealing device include heat conducting pipe, insulation seat, main connecting plate, air inlet pipe, air inlet switch valve, gas tip and Grid seat, the exterior contour of the heat conducting pipe and the in-profile of heating chamber are adapted, and the inside of the heat conducting pipe forms hot place Chamber is managed, the insulation seat is wrapped in the open end of heat conducting pipe and is arranged on main sliding rack, and the main connecting plate is fixed on insulation The side of nearly sealing adiabatic apparatus is seated against, the edge of the main connecting plate has connecting hole；The inlet end of the air inlet pipe hangs down Directly it is arranged on insulation seat and liquid hydrogen source and liquid argon gas source is separately connected by the triple valve of distant place, air inlet pipe is successively worn The insulation seat and heat conducting pipe are crossed, the outlet side of air inlet pipe is arranged on the inner wall of heat conducting pipe, and the air inlet switch valve is mounted on On the inlet end of air inlet pipe, the gas tip is uniformly arranged on the outlet side of air inlet pipe, and the grid seat is arranged thermally conductive Lower section inside pipe and positioned at gas tip；The sealing adiabatic apparatus includes sealing adiabatic head, secondary connecting plate, handle and reinforcement Muscle, the opening sealed on adiabatic head right angle setting pair connecting plate and heat conducting pipe can be sealed, the edge of the pair connecting plate Connecting hole is offered, the reinforcing rib of handle and auxiliary connection sliding rack is provided on the outside of the pair connecting plate；The main company The edge of fishplate bar and secondary connecting plate can be bolted to connection the sealing realized inside hot processing chamber.

Further, the grid seat is made of metal framework and the stainless (steel) wire being wrapped in outside the metal framework.

Further, the main support includes the fixed screw and main load-bearing back of main spandrel girder, main spandrel girder bottom side The main running rail in portion, the main sliding rack include main transverse slat, the main riser being vertically mounted on main transverse slat, are mounted on main transverse slat bottom Main movable pulley, the main movable pulley and main running rail cooperating, for the main riser for fixing the insulation seat, the master is perpendicular Plate is shell structure, and the secondary support includes secondary spandrel girder, the secondary sliding rail that is mounted at the top of secondary spandrel girder, and the pair spandrel girder is The side of triangular structure, the triangular structure is connected on main riser by connecting screw, and the pair sliding rack includes pair Transverse slat and the secondary movable pulley that secondary transverse slat bottom is set, the pair movable pulley and secondary sliding rail cooperating.

Further, the rod-shaped temperature sensor include sensor contact, be arranged in sealing adiabatic head inside fixing pipe, For installing the fixing seat of fixing pipe and for the conducting wire of transition temperature information, the control of the conducting wire connection temperature controllable electric furnace Device processed.

The utility model it is a kind of can in cold high temperature box type resistance furnace have the advantages that

(1) liquid hydrogen source and liquid argon gas source are communicated with by pipeline inside the annealing device in this programme, used The workpiece that hydrogen can protect processing does not aoxidize and aseptic, and workpiece cooling rate in control stove may be implemented using argon gas, By argon flow be increased to it is a certain amount of after can be realized rapid cooling achieve the effect that quenching.

(2) easily annealing device can be taken from the heating chamber of temperature controllable electric furnace using the structure of the double-deck sliding rack It out or is sent into, avoids directly picking and placing workpiece to be processed in heating furnace body, reduce risk.

Detailed description of the invention

The utility model is further described with reference to the accompanying drawings and examples.

Fig. 1 be it is provided by the utility model can in cold high temperature box type resistance furnace overall structure diagram；

Fig. 2 be it is provided by the utility model can in cold high temperature box type resistance furnace the first schematic diagram of internal structure；

Fig. 3 be it is provided by the utility model can in cold high temperature box type resistance furnace the second schematic diagram of internal structure；

Fig. 4 be it is provided by the utility model can in cold high temperature box type resistance furnace partial structural diagram.

In figure, 1- temperature controllable electric furnace, 101- heating chamber, 102- electric furnace heating wire, 103- controller, 2- main support, 201- master are held Weight beam, 202- fixed screw, 203- main running rail, the main sliding rack of 3-, the main transverse slat of 301-, the main riser of 302-, the main movable pulley of 303-, 4- The thermally conductive square tube of annealing device, 401-, 402- insulation seat, the main connecting plate of 403-, 404- air inlet pipe, 405- air inlet switch valve, 406- gas tip, 407- grid seat, 5- secondary support, 501- pair spandrel girder, 502- pair sliding rail, 503- connecting screw, 6- pair are sliding Moving frame, 601- pair transverse slat, 602- pair movable pulley, 7- sealing adiabatic apparatus, 701- seal adiabatic head, 702- pair connecting plate, 703- Handle, 704- reinforcing rib, the rod-shaped temperature sensor of 8-, 801- sensor contact, 802- fixing pipe, 803- fixing seat, 804- conducting wire.

Specific embodiment

In the description of the present invention, it should be understood that term " center ", "upper", "lower", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical Novel limitation.Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or Person implicitly indicates the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or hidden It include one or more of the features containing ground.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is Two or more.

The utility model is described in detail below with reference to attached drawing.

As shown in Figure 1, it is a kind of can in cold high temperature box type resistance furnace include temperature controllable electric furnace 1, at the bottom of temperature controllable electric furnace 1 Portion is provided with main support 2, and main sliding rack 3 is slidably connected on main support 2, is fixedly installed with heat treatment on main sliding rack 3 Device 4 is fixedly installed with secondary support 5 in the outside of main sliding rack 3, secondary sliding rack 6 is slidably connected on secondary support 5, sliding in pair It is fixedly installed with sealing adiabatic apparatus 7 in moving frame 6, seals and measurement 4 internal temperature of annealing device is installed on adiabatic apparatus 7 Rod-shaped temperature sensor 8.

Wherein, temperature controllable electric furnace 1 is heated using electric furnace heating wire 102, realizes that electric furnace heating wire 102 heats by force by control size of current The change of degree is filled with heat insulation foam in 1 shell of temperature controllable electric furnace.Temperature controllable electric furnace 1 is internally provided with heating chamber 101, heating The outside of chamber 101 is wrapped up by electric furnace heating wire 102, and temperature controllable electric furnace 1 can also use existing electrothermal furnace, such as the box resistance of PD-MJ Furnace, ZS-R08-3C chamber type electric resistance furnace etc..

As shown in Fig. 2, main support 2 includes fixed screw 202, the Yi Jizhu of main spandrel girder 201,201 bottom side of main spandrel girder The main running rail 203 at 201 top of spandrel girder, main spandrel girder 201 can be welded using common angle steel, the both ends of main running rail 203 Tilting prevents main movable pulley 303 from derailing.In Fig. 2, main sliding rack 3 includes main transverse slat 301, is vertically mounted on main transverse slat 301 Main riser 302, the main movable pulley 303 for being mounted on main 301 bottom of transverse slat, main movable pulley 303 and 203 cooperating of main running rail, it is main Riser 302 is shell structure for fixed insulation seat 402, main riser 302, is also enclosed with part inside the upper end of main riser 302 Secondary sliding rack 6 and secondary sliding rail 502.

As shown in figure 3, annealing device 4 includes heat conducting pipe 401, is insulated seat 402 and main connecting plate 403, heat conducting pipe 401 Exterior contour and the in-profile of heating chamber 101 are adapted, and the inside of heat conducting pipe 401 forms hot processing chamber, and insulation seat 402 wraps up Heat conducting pipe 401 open end and be arranged on main sliding rack 3, the outside of insulation seat 402 is iron sheet or steel plate, it is internal for every Hot cotton, main connecting plate 403 are fixed on insulation seat 402 close to the side of sealing adiabatic apparatus 7, the edge of main connecting plate 403 There is connecting hole；The inlet end of air inlet pipe 404 is vertically set on insulation seat 402 and is separately connected liquid by the triple valve of distant place Hydrogen source and liquid argon gas source, air inlet pipe 404 sequentially passes through insulation seat 402 and heat conducting pipe 401, the outlet side of air inlet pipe 404 are set It sets on the inner wall of heat conducting pipe 401, air inlet switch valve 405 is mounted on the inlet end of air inlet pipe 404, and gas tip 406 is uniform It is arranged on the outlet side of air inlet pipe 404, grid seat 407 is arranged in 401 inside of heat conducting pipe and is located under gas tip 406 Side.

As shown in figure 4, grid seat 407 is made of metal framework and the stainless (steel) wire being wrapped in outside the metal framework, this Kind design is the cleaning and cooling for the ease of workpiece.When work, workpiece is placed on grid seat 407, inside air inlet pipe 404 When being connected with hydrogen, hydrogen is sprayed from gas tip 406, is sprayed on workpiece, the dust and sundries of workpiece will be fallen, and work as air inlet pipe When being connected with argon gas inside 404, argon gas is sprayed from gas tip 406, is sprayed on workpiece, due to the hollow design energy of grid seat 407 Enough so that the positive and negative of workpiece are fully cooled, realize that workpiece is quickly fully cooled.

In Fig. 3, secondary support 5 includes secondary spandrel girder 501, the secondary sliding rail 502 for being mounted on secondary 501 top of spandrel girder, secondary load-bearing Beam 501 is triangular structure, and the side of triangular structure is connected on main riser 302 by connecting screw 503.Secondary sliding rack 6 Including secondary transverse slat 601 and the secondary movable pulley 602 that secondary 601 bottom of transverse slat is arranged in, secondary movable pulley 602 and secondary sliding rail 502 cooperate work Make.The edge of main connecting plate 403 and secondary connecting plate 702 can be bolted to connection the sealing realized inside hot processing chamber.

In Fig. 3, sealing adiabatic apparatus 7 includes sealing adiabatic head 701, secondary connecting plate 702, handle 703 and reinforcing rib 704, Seal on 701 right angle setting pair connecting plate 702 of adiabatic head and can seal the opening of heat conducting pipe 401, the edge of secondary connecting plate 702 Connecting hole is offered, the outside of secondary connecting plate 702 is provided with the reinforcing rib 704 of handle 703 and auxiliary connection sliding rack 6.

In this implementation, rod-shaped temperature sensor 8 as shown in Figure 3 includes sensor contact 801, setting in sealing adiabatic head 701 Internal fixing pipe 802, the fixing seat 803 for installing fixing pipe 802 and the conducting wire 804 for transition temperature information, leads Line 804 connects the controller 103 of temperature controllable electric furnace 1, and sensor contact 801 can be thermistor.

Specific work process of the invention is as follows: firstly, annealing device 4 is pulled out by main sliding rack 3, at this point, hot Processing unit 4 is detached from temperature controllable electric furnace 1；Then, the bolt at 702 edge of main connecting plate 403 and secondary connecting plate is unclamped, sealing is exhausted Thermal 7 passes through secondary sliding rack 6 and pulls out, at this point it is possible to which workpiece to be processed is put on the grid seat 407 of heat conducting pipe 401；Its It is secondary, sealing adiabatic apparatus 7 is pushed into annealing device 4, opens liquid hydrogen source and air inlet switch valve 405 at this time, at this time gas 406 high speed ejection hydrogen of body spray head, on the one hand can remove the sundries on workpiece, on the other hand can be by the oxygen of heat conducting pipe 401 Gas discharge, then it is bolted main connecting plate 403 and secondary connecting plate 702；Further, the annealing device of sealing 4 is pushed into Specific temperature is heated in temperature controllable electric furnace 1, temperature controllable electric furnace 1 passes through in rod-shaped temperature sensor 8 in real time acquisition heat conducting pipe 401 Portion's temperature forms high precision closed loop control, and after being heated to certain temperature, further adjusting controller 103 is realized under different temperatures Annealing, annealing device 4 can also be pulled out from adjustable electric cooking stove 1, open sealing adiabatic apparatus 7, at this point, opening liquid argon gas source With air inlet switch valve 405,406 high speed ejection argon gas of gas tip, can control entrance by controlling air inlet switch valve 405 at this time The air inflow of low temperature argon gas, by adjusting workpiece cooling rate in the uninterrupted realization control stove for be passed through argon gas, by argon flow Be increased to it is a certain amount of after can be realized rapid cooling achieve the effect that quenching.

Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution The spirit and scope of scheme.

Claims (4)

1. one kind can in cold high temperature box type resistance furnace, including temperature controllable electric furnace (1), which is characterized in that in the temperature controllable electricity The bottom of furnace (1) is provided with main support (2), and main sliding rack (3) are slidably connected on the main support (2), in the main cunning It is fixed with annealing device (4) in moving frame (3), is fixed with secondary support (5) on the outside of the main sliding rack (3), the secondary branch Secondary sliding rack (6) are slidably connected on frame (5), are fixed with sealing adiabatic apparatus (7) on the secondary sliding rack (6), it is described close The rod-shaped temperature sensor (8) of measurement annealing device (4) internal temperature is installed in envelope adiabatic apparatus (7), in which:

The temperature controllable electric furnace (1) is internally provided with heating chamber (101), and the outside of the heating chamber (101) is by electric furnace heating wire (102) it wraps up；

The annealing device (4) include heat conducting pipe (401), insulation seat (402), main connecting plate (403), air inlet pipe (404), into Exhaust switch valve (405), gas tip (406) and grid seat (407), the exterior contour and heating chamber of the heat conducting pipe (401) (101) in-profile is adapted, and the inside of the heat conducting pipe (401) forms hot processing chamber, and the insulation seat (402) is wrapped in The open end of heat conducting pipe (401) and it is arranged on main sliding rack (3), the main connecting plate (403) is fixed on insulation seat (402) and leans on The side of nearly sealing adiabatic apparatus (7), the edge of the main connecting plate (403) have connecting hole, the air inlet pipe (404) Inlet end is vertically set in insulation seat (402) and is separately connected liquid hydrogen source and liquid argon gas by the triple valve of distant place Source, air inlet pipe (404) sequentially pass through the insulation seat (402) and heat conducting pipe (401), and the outlet side setting of air inlet pipe (404) exists On the inner wall of heat conducting pipe (401), the air inlet switch valve (405) is mounted on the inlet end of air inlet pipe (404), the gas spray Head (406) is uniformly arranged on the outlet side of air inlet pipe (404), the grid seat (407) setting it is internal in heat conducting pipe (401) and Positioned at the lower section of gas tip (406)；

The sealing adiabatic apparatus (7) includes sealing adiabatic head (701), secondary connecting plate (702), handle (703) and reinforcing rib (704), the opening sealed on adiabatic head (701) right angle setting pair connecting plate (702) and heat conducting pipe (401) can be sealed, The edge of the pair connecting plate (702) has a connecting hole, be provided on the outside of the pair connecting plate (702) handle (703) with And the reinforcing rib (704) of auxiliary connection sliding rack (6)；

The edge of the main connecting plate (403) and secondary connecting plate (702), which can be bolted to connection, to be realized in hot processing chamber The sealing in portion.

2. one kind as described in claim 1 can in cold high temperature box type resistance furnace, which is characterized in that the grid seat (407) It is made of metal framework and the stainless (steel) wire being wrapped in outside the metal framework.

3. one kind as claimed in claim 2 can in cold high temperature box type resistance furnace, which is characterized in that main support (2) packet Include main spandrel girder (201), the fixed screw (202) of main spandrel girder (201) bottom side and the main cunning at the top of main spandrel girder (201) Rail (203)；The main sliding rack (3) include main transverse slat (301), the main riser (302) being vertically mounted on main transverse slat (301), It is mounted on the main movable pulley (303) of main transverse slat (301) bottom, the main movable pulley (303) and main running rail (203) cooperating, The main riser (302) is shell structure for fixing the insulation seat (402), the main riser (302)；The secondary support (5) include pair spandrel girder (501), the secondary sliding rail (502) that is mounted at the top of secondary spandrel girder (501), the secondary spandrel girder (501) is The side of triangular structure, the triangular structure is connected on main riser (302) by connecting screw (503)；It is described secondary sliding Moving frame (6) includes the secondary movable pulley (602) of secondary transverse slat (601) and setting in secondary transverse slat (601) bottom, the pair movable pulley (602) with secondary sliding rail (502) cooperating.

4. one kind as claimed in claim 3 can in cold high temperature box type resistance furnace, which is characterized in that the rod-shaped temperature sensing Device (8) includes sensor contact (801), is arranged in the internal fixing pipe (802) of sealing adiabatic head (701), for installing fixing pipe (802) fixing seat (803) and the conducting wire (804) for transition temperature information, conducting wire (804) the connection temperature controllable electricity The controller (103) of furnace (1).