CN207317536U - A kind of tungsten alloy sintering furnace - Google Patents

Abstract

The utility model discloses a kind of tungsten alloy sintering furnace, including furnace body and feeding mechanism.Feeding structure includes driver, gear, rack, track.Driver is connected to gear through a belt, which engages the rack.Rack is movably mounted on the track, which is connected to the flange portion, which stretches into the opening portion.Drive belts carry-over bar moves back and forth, and periodically promotes magazine to enter feed pipe.Since the feeding structure eliminates the setting of transmission belt, feed pipe can be at closed state in sintering process, avoid air from entering furnace body, improve the sintering quality of tungsten alloy product.

Description

A kind of tungsten alloy sintering furnace

Technical field

It the utility model is related to metal sintering device, more particularly to a kind of tungsten alloy sintering furnace.

Background technology

Metal sintering stove can be used for preparing the alloy bar such as tungsten alloy.During work, raw material is constantly sent into by feed device to be burnt In freezing of a furnace.For feed device for example described in 2016105437235, it generally comprises motor, transfer roller and conveyer belt, conveyer belt set On transfer roller, metal material is placed on a moving belt, and motor drives conveyer belt movement.In the device, conveyer belt passes through stove Body, the both ends of furnace body can not completely enclose, and air is easily accessible furnace body, influences product quality.

Utility model content

The utility model proposes a kind of tungsten alloy sintering furnace, and using push mode feeding mechanism, furnace body both ends are to close Structure, avoid air from entering furnace body.

What the technical solution of the utility model was realized in：, cooling body, inflation mechanism

A kind of tungsten alloy sintering furnace, including furnace body and feeding mechanism, the furnace body include stent, housing and sintered pipes, institute State housing to fix on the bracket, which has a feed pipe, which has opening portion and positioned at the opening portion four The flange portion in week, the sintered pipes are located in the housing, and multiple magazines are set in the sintered pipes, are equipped with the housing heat-insulated Layer, flame retardant coating and heating wire, the heating wire are located at the both sides of the sintered pipes, the refractory brick be fixed on the heating wire or The surrounding of sintered pipes, the thermal insulation layer are fixed on the surrounding of the refractory brick, it is characterised in that the feeding structure includes driving Device, gear, rack, track, the driver are connected to the gear through a belt, which engages the rack, the tooth Bar is movably mounted on the track, which is connected to the flange portion, which stretches into the opening portion.

In this tungsten alloy sintering furnace of the utility model, the upper end of the flange portion is rotatably connected to a lid Plate.

In this tungsten alloy sintering furnace of the utility model, the opening portion and the track structure are in an acute angle.

In this tungsten alloy sintering furnace of the utility model, the flame retardant coating has at least one side opening, the electricity Heated filament is stretched out from the side opening.

Implement this tungsten alloy sintering furnace of the utility model, have the advantages that：Drive belts carry-over bar is reciprocal Movement, periodically promotes magazine to enter feed pipe.Tungsten alloy bar is placed in magazine, into furnace body after reach degreasing sintered mesh 's.Since the feeding structure eliminates the setting of transmission belt, feed pipe can be at closed state in sintering process, avoid air Into furnace body, the sintering quality of raising tungsten alloy product.

Brief description of the drawings

Fig. 1 is the schematic diagram of the tungsten alloy sintering furnace of the utility model；

Fig. 2 is the sectional view of Fig. 1；

Fig. 3 is the partial view of the other direction of Fig. 2；

Fig. 4 is the partial view of Fig. 1, main presentation feeding mechanism；

Fig. 5 is the schematic diagram of another state of Fig. 4；

Fig. 6 is the enlarged drawing of Fig. 1；

Fig. 7 is the schematic diagram of the other direction of Fig. 6；

Fig. 8 is the partial view of Fig. 1；

Fig. 9 is the schematic diagram of the other direction of Fig. 8.

Embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe.

The tungsten alloy bar sintering furnace of the utility model as shown in Figure 1 to 9, is tied including at least a furnace body 100 and charging Structure 200.Furnace body 100 includes stent 110, housing 120 and sintered pipes 130.Housing 120 is fixed on stent 110, sintered pipes 130 In the housing 120.Thermal insulation layer 121, flame retardant coating 122 and heating wire 123 are equipped with the housing 120.Heating wire 123 is located at The both sides of sintered pipes 130, refractory brick are fixed on the surrounding of the heating wire 123 or sintered pipes 130, and thermal insulation layer 121 is fixed on institute State the surrounding of flame retardant coating 122.Flame retardant coating 122 is by polylith fixing sleeve brick 124 and puts a brick 125 and forms.Fixing sleeve brick 124 is fixed on The both ends of sintered pipes 130, put a brick 125 and are located in the fixing sleeve brick 124, and heating wire 123, which is fixed on, described puts a brick 125 On.Flame retardant coating 122 has at least one side opening 126, and heating wire 123 is stretched out from the side opening 126.Set in sintered pipes 130 Multiple magazines 131, magazine align into sintered pipes 130 successively, and heating is degreasing sintered in sintered pipes 130.

Such as Fig. 4,5, the feeding structure 200 of the utility model includes driver 210, gear 220, rack 230, track 240. Driver 210 is connected to gear 220 through a belt 250, which engages the rack 230, and rack 230 is movably pacified On track 240.Driver 210 is rotated with moving gear 220, and then is moved back and forth with carry-over bar 230 on track 240.Burn The side for tying pipe 130 sets feed pipe 140, which has opening portion 142 and the method positioned at the outside of opening portion 142 Blue portion 141.Track 240 is connected to flange portion 141, and rack 230 stretches into the opening portion 142.Rack 230 is periodically by magazine Be pushed into feed pipe 140, tungsten alloy bar placed in magazine 131, into furnace body 100 after achieve the purpose that it is degreasing sintered.Flange portion 141 upper end is rotatably connected to cover board 143, and opening portion 142 and 240 structure of track are in an acute angle.Due to the feeding structure 200 The setting of magazine conveyer belt is eliminated, feed pipe 140 can be at closed state in sintering process, avoid air from entering furnace body 100, improve the sintering quality of tungsten alloy product.

With reference to Fig. 6,7, the utility model can also have cooling body 300, it include cooling tube 310, outer outlet body 320, Water pipe cover body 330, coil pipe 340, water inlet pipe 350 and outlet pipe 360.Cooling tube 310 is connected to sintered pipes 130,320 sets of outer outlet body Outside cooling tube 310.Coil pipe 340 is sleeved on outside cooling tube 310, and the both ends of the coil pipe 340 are stretched out from the outer outlet body 320.Water Shroud body 330 forms sandwich with cooling tube 310, and water cooled pipeline is laid in interlayer, and person easy to operation is mobile or replaces water Pipe.Water pipe cover body 330 is fixed on the side wall of the outer outlet body 320, and water inlet pipe 350 and outlet pipe 360 are located at the water pipe cover body In 330, the both ends of the coil pipe 340 are respectively connected to the water inlet pipe 350 and outlet pipe 360.Cooling body 300 is arranged in furnace body 100 endpieces are, it can be achieved that sectional heats so that tungsten alloy reaches expected intensity and mechanical performance.The lower section of outer outlet body 320 has One base 321, base 321 have at least one support roller 322, and outer outlet body 320 is pressed in the support roller 322.It is preferably, cold But 310 structure of pipe is similar with feed pipe 140, its flange portion 312 with discharging portion 311 and positioned at 311 surrounding of discharging portion.Method The upper end in blue portion 312 is rotatably connected to a cover board 313, which is connected to push rod 314.Discharging portion 311 and track 240 structures are in an acute angle.Under normality, cover board 313 is pressed on discharging portion 311, completely cuts off air and heat.Magazine 131 can be by the cover board 313 is open-top, achievees the purpose that to export sintered tungsten alloy bar.

With reference to Fig. 8,9, the utility model can also have inflation mechanism 400, it includes the first tracheae 410, the second tracheae 420th, igniter 430, switch 440.In first tracheae 410 insertion cooling tube 310, the second tracheae 420 stretches into feed pipe 140.Gas Pipe fills hydrogen in furnace body 100, can be completely exhausted out the air in furnace body 100.Governor 411 is set outside tracheae, is used for Gas pressure in control and detection furnace body 100.Igniter 430 stretches into the open side of discharging portion 311, and push rod 314 is pressed in switch On 440, the output terminal of the switch 440 is connected to igniter 430.Magazine 131 is open-top by cover board, and push rod is away from switch 440, switch 440 electric signals are transferred to igniter 430, and igniter 430 lights the hydrogen of discharge port, avoid air from entering furnace body 100, improve and close The sintering quality of gold.Igniter 430 can be existing electronic ignition device.The utility model uses flame air-isolation, no The concrete structure of limit switch 440 and igniter 430.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on, should be included in the utility model Protection domain within.

Claims (4)

1. a kind of tungsten alloy sintering furnace, including furnace body and feeding mechanism, the furnace body includes stent, housing and sintered pipes, described Housing is fixed on the bracket, which has a feed pipe, which has opening portion and positioned at the opening portion surrounding Flange portion, the sintered pipes are located in the housing, and multiple magazines are set in the sintered pipes, be equipped with the housing thermal insulation layer, Flame retardant coating and heating wire, the heating wire are located at the both sides of the sintered pipes, and the refractory brick is fixed on the heating wire or burning The surrounding of pipe is tied, the thermal insulation layer is fixed on the surrounding of the refractory brick, it is characterised in that the feeding structure includes driving Device, gear, rack, track, the driver are connected to the gear through a belt, which engages the rack, the tooth Bar is movably mounted on the track, which is connected to the flange portion, which stretches into the opening portion.

2. tungsten alloy sintering furnace according to claim 1, it is characterised in that the upper end of the flange portion is rotatably coupled To a cover board.

3. tungsten alloy sintering furnace according to claim 1, it is characterised in that the opening portion and track composition one are sharp Angle.

4. the tungsten alloy sintering furnace according to claims 1 to 3 any one, it is characterised in that the flame retardant coating has extremely Side opening one few, the heating wire are stretched out from the side opening.