CN207147231U - Horizontal outer heating vacuum furnace filter - Google Patents

Abstract

A kind of horizontal outer heating vacuum furnace filter,Including base,The vacuum drying oven for being used to hold workpiece to be burnt being arranged on base,With base be slidably connected for the heating furnace that is heated to vacuum drying oven,And be arranged on vacuum drying oven side for the vacuum pump set that is vacuumized to vacuum drying oven,The vacuum drying oven includes retort and is arranged on the fire door of retort opening,Described retort one end sets the vacuum pipe being connected with vacuum pump set,Filter is provided between the vacuum pipe and vacuum pump set,The filter includes outer cover and the filter assemblies being slidably connected with outer cover being arranged in outer cover,The filter assemblies are the filter frame of a cuboid,Filter frame front and rear sides are provided with screen pack,The filter assemblies can take out from outer cover,And filter assemblies are fixed on outer cover by flange,It is bolted between flange,Convenient dismounting,It is easy to clean.

Description

Horizontal outer heating vacuum furnace filter

Technical field

It the utility model is related to a kind of tempering heat treatment apparatus field of metal parts, and in particular to a kind of horizontal outer heat is true Empty stove filter.

Background technology

External heated vacuum furnace be one kind under high temperature and vacuum state, make the mutual bonded of ceramic green solid particle, it is brilliant Grain length is big, space（Stomata）Gradually reduced with crystal boundary, by the transmission of material, its cumulative volume shrinks, and density increase, finally turns into Stove with certain microstructural dense multicrystalline sintered body.

Such as the Chinese patent that notification number is CN203443321U discloses a kind of vacuum sintering furnace, containing retort, fire door, machine System system, vacuum system, inflation blow-off system, pneumatic means, heating and attemperator, cooling system and switch board, retort are Double wall conservation water jacket horizontal type cylindrical structure, fire door are articulated in its one end, fire door heat-insulation layer containing outer layer and internal layer molybdenum ribbon zone of heating；Retort On have some thermocouples, vent valve and a charge valve, inflation blow-off system is connected by vent valve and charge valve with retort inner chamber.But Be the sintering furnace when by vacuum pump set to being vacuumized in retort, volatile matter can be produced in retort, it is of the prior art Although vacuum pump set is provided with screen pack, but for a long time using volatile matter, dust etc. is easily assembled on rear screen pack, be not easy clear Wash.

Utility model content

The purpose of this utility model is to provide a kind of horizontal outer heating vacuum furnace filter, and its advantage is will conveniently to filter group Part takes out and cleaned.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of horizontal outer heating vacuum furnace filter, including base, be arranged on base be used for hold workpiece to be burnt Vacuum drying oven, with base be slidably connected for the heating furnace that is heated to vacuum drying oven and the use for being arranged on vacuum drying oven side In the vacuum pump set vacuumized to vacuum drying oven, the vacuum drying oven includes retort and is arranged on the fire door of retort opening, Described retort one end sets the vacuum pipe being connected with vacuum pump set, and filtering is provided between the vacuum pipe and vacuum pump set Device, the filter include outer cover and the filter assemblies being slidably connected with outer cover being arranged in outer cover, the filtering Component is the filter frame of a cuboid, and filter frame front and rear sides are provided with screen pack.

Pass through above-mentioned technical proposal, filter can be filtered the volatile matter in retort, prevent volatile matter to true Empty unit is impacted, and filter assemblies are socketed in outside outer cover, when needing to clean filter assemblies, will can be filtered Component is extracted out from outer cover.

The utility model is further arranged to：The filter frame top is connected by flange with outer cover, is passed through between flange Bolt is fixed.

Pass through above-mentioned technical proposal, bolt and hanger in place orchid can make flange be easily installed and dismantle, and be easy to take out filter frame.

The utility model is further arranged to：It is provided between the filter frame top and outer cover top for sealing filtering The rubber blanket of component.

Pass through above-mentioned technical proposal, rubber blanket is flexible, can compress rubber blanket when bolt and hanger in place orchid and play Sealing function, prevent vacuum pump set from gas leakage occurring when vacuumizing.

The utility model is further arranged to：The vacuum pipe and casing outer wall are disposed as double-layer hollow structure, Hydrologic cycle cooling system is provided with its interlayer.

Pass through above-mentioned technical proposal, hydrologic cycle cooling system can cool down to the outer wall of vacuum pipe and outer cover, Prevent high temperature from causing to burn to human body.

The utility model is further arranged to：Some groups of equally distributed thermal insulation boards, thermal insulation board are provided with the fire door Between be fixedly connected on by two support columns on fire door.

Pass through above-mentioned technical proposal, thermal insulation board can absorb the temperature in vacuum drying oven, prevent that fire door temperature is too high to human body Cause to scald.

The utility model is further arranged to：Several air-vents are provided with the thermal insulation board.

Pass through above-mentioned technical proposal, when vacuumizing, air-vent can play permeation functions so that vacuum pump set can be with fast Speed is by vacuum state in retort.

In summary, the utility model has the advantages that：

First, the filter assemblies can be taken out from outer cover, and filter assemblies are fixed on outer cover by flange, flange it Between be bolted, convenient dismounting, be easy to clean；

2nd, the vacuum pipe of the horizontal outer heating vacuum furnace filter and the outer wall of outer cover are disposed as double-layer hollow knot Structure, hydrologic cycle cooling system is provided with its interlayer, vacuum pipe and outer cover can be cooled down, prevent high temperature from scalding.

Brief description of the drawings

Fig. 1 is the vacuum drying oven overall structure diagram；

Fig. 2 is that the vacuum furnace door pulls out view；

Fig. 3 is fire door and schematic diagram of sealing device；

Fig. 4 is to embody sealing device internal junction blast structure sectional view；

Fig. 5 is to embody filter apparatus configuration schematic diagram；

Fig. 6 is to embody locking system structural representation；

Fig. 7 is Fig. 6 A portions enlarged drawing；

Fig. 8 is to embody gripping mechanism structural representation；

Fig. 9 is Fig. 8 B portions enlarged drawing；

Figure 10 is to embody support component structural representation.

In figure, 1, base；11st, track；2nd, vacuum drying oven；21st, retort；22nd, fire door；221st, thermal insulation board；2211st, passage； 23rd, vacuum pipe；3rd, heating furnace；31st, fixed seat；311st, rolling bearing；312nd, connecting rod；313rd, passage；32nd, locking system； 321st, ratchet；322nd, ratchet；323rd, fixture block；33rd, support component；331st, blocking arm；332nd, cover plate；333rd, pallet；334th, bell； 335th, fixed disk；336th, banking stop；337th, limit stick；34th, gripping mechanism；341st, clamping brick；342nd, governor motion；3421st, cover Cylinder；3422nd, screw mandrel；3423rd, the first helical gear；3424th, the second helical gear；343rd, control assembly；3431st, drive shaft；3432nd, turn Disk；3433rd, holding rod；4th, vacuum pump set；5th, door opener；51st, support；52nd, supporting plate；53rd, support frame；54th, rotor plate；55、 Balancing weight；6th, sealing device；61st, retainer plate；611st, fin；62nd, clamping bar；63rd, drive component；631st, driving gear；632、 Handle；633rd, connecting shaft；64th, adjusting part；641st, the first latch；642nd, the second latch；643rd, spring；644th, cutting ferrule；6441； Jack；645th, knob；7th, filter；71st, outer cover；72nd, filter assemblies；721st, filter frame；722nd, screen pack；723rd, rubber Pad.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.Wherein identical parts identical accompanying drawing Mark represents.It should be noted that the word "front", "rear", "left", "right", the "up" and "down" that are used below in description refer to It is the direction in accompanying drawing, word " bottom surface " and " top surface ", " interior " and " outer " are referred respectively to towards or away from particular elements geometry The direction at center.

A kind of horizontal outer heating vacuum furnace filter, as shown in figure 1, including base 1, being arranged on base 1 and being used to contain Put the vacuum drying oven 2 of workpiece to be burnt, be used for the heating furnace 3 that is heated to vacuum drying oven 2 and setting with what base 1 was slidably connected In the side of vacuum drying oven 2 for the vacuum pump set 4 that is vacuumized to vacuum drying oven 2.

As depicted in figs. 1 and 2, a support 51 for being used to support vacuum drying oven 2 is provided with base 1, vacuum drying oven 2 includes fixing The retort 21 that is arranged on support 51 and the fire door 22 for being arranged on the opening of retort 21, one end and support are provided with outside fire door 22 51 are slidably connected the door opener 5 that the other end is fixedly connected with fire door 22, retort 21 away from the one end of door opener 5 be provided with one with The vacuum pipe 23 that vacuum pump set 4 connects, is connected between vacuum pipe 23 and retort 21 and vacuum pump set 4 by flange.Open Door gear 5 include being arranged on the supporting plate 52 of the one end of support 51, the L-shaped support frame 53 being slidably connected with supporting plate 52, with And one end and supporting plate 52 are rotatablely connected the rotor plate 54 that the other end is fixedly connected with fire door 22, and cunning is provided with supporting plate 52 Groove, support frame 53 are slidably connected by chute and supporting plate 52, and the other end of rotor plate 54 is fixedly connected with one by a connecting plate and matched somebody with somebody Pouring weight 55, connecting plate are inclined upwardly relative to rotor plate 54, can be more laborsaving when rotating fire door 22.When need open stove During door 22, fire door 22 is pulled out, support frame 53 skids off out of chute, because the one end of support frame 53 is fixedly connected with rotor plate 54, Rotor plate 54 pulls out fire door 22 from retort 21, and when supporting plate 52 slides into critical distance, being rotated up fire door 22 makes stove Door 22 and rotor plate 54 are rotated using rotated version and the tie point of balancing weight 55 as axle, because balancing weight 55 is in Action of Gravity Field Lower rotation so that the process for rotating fire door 22 is more laborsaving.

As shown in Fig. 2 being provided with some groups of equally distributed thermal insulation boards 221 in fire door 22, pass through two between thermal insulation board 221 Individual support column is fixedly connected on fire door 22, and several air-vents are provided with thermal insulation board 221, true when to vacuum drying oven 2 take out Space-time, air-vent can play permeation functions, and thermal insulation board 221 can absorb the temperature in vacuum drying oven 2, prevent the temperature mistake of fire door 22 High scald worker.

As shown in Figure 3 and Figure 4, sealing device 6 is provided between fire door 22 and retort 21, sealing device 6 includes being arranged at The clamping bar 62 of some groups of equidistantly distributeds at the edge of fire door 22, the opening edge of retort 21 is provided with to be rotatablely connected with retort 21 Retainer plate 61, the inside edge of retainer plate 61 is provided with some groups of fins being used cooperatively with clamping bar 62 611, fin 611 it Between gap it is identical with the gap between clamping bar 62, when fire door 22 is closed, clamping bar 62 is located at the inner side of fin 611, clamping bar 62 thickness is gradually thinning by one end to the other end, and the edge of fin 611 is arranged to guiding surface, rotates clockwise retainer plate 61 Clamping bar 62 can be made to be separated with fin 611, fire door 22 is pulled out, when needing to seal retort 21, fire door 22 is pushed into retainer plate In 61, rotating counterclockwise retainer plate 61 can be such that fin 611 is connected to outside clamping bar 62, and fire door 22 is closed.

As shown in Figure 3 and Figure 4, the drive component 63 for driving retainer plate 61 to rotate is provided with outside retainer plate 61, it is fixed Enclose 61 partial outer edges and be provided with latch, drive component 63 include being arranged on it is on vacuum pipe 23 and with the edge card of retainer plate 61 The driving gear 631 of tooth engagement and the handle for being used to drive driving gear 631 to rotate for being arranged on the end of driving gear 631 632, driving gear 631 is outer to be connected by a connecting shaft 633 with handle 632, the end of handle 632 be socketed in connecting shaft 633 outside and The end inner ring of handle 632 is provided with latch, and the adjusting part 64 for unidirectional clamping handle 632 is provided with connecting shaft 633, adjusts Section component 64 includes the first latch 641 and the second latch 642 being arranged in connecting shaft 633, and one is provided with connecting shaft 633 Through hole, two latches are separately positioned in the through hole in connecting shaft 633, and two latch bottoms are fixedly connected by spring 643, and the One latch 641 and the end of the second latch 642 are provided with guiding surface in opposite direction, the end of connecting shaft 633 be socketed with one with The cutting ferrule 644 that connecting shaft 633 is rotatablely connected, clamping set is outer to be provided with a jack 6441 corresponding with through hole in connecting shaft 633, A knob 645 for being used to rotate cutting ferrule 644, when the first latch 641 overlaps with jack 6441, first are provided with outside cutting ferrule 644 Latch 641 stretches out under the effect of the elastic force of spring 643, the first latch 641 is stretched between the latch of the end inner ring of handle 632, makes Latch and the latch one way engagement of the end of handle 632 are obtained, is easy to user to rotate retainer plate 61 in one direction repeatedly, works as needs When rotating retainer plate 61 to another direction, cutting ferrule 644 is rotated, the second latch 642 is stretched out by jack 6441, due to second The guiding surface in guiding surface direction and the end of the first latch 641 on latch 642 is in opposite direction so that handle 632 and cutting ferrule 644, to towards other direction one way engagement, are easy to rotate retainer plate 61 round about, can be realized to retainer plate by the above method 61 sealing and unlatching.

As Fig. 5 shows, filter 7 is provided between vacuum pipe 23 and vacuum pump set 4, filter 7 is connected by flange It is connected between vacuum pump set 4 and vacuum pipe 23, vacuum pump set 4 can provide powerful negative-pressure air power, inside retort 21 Vacuum state, filter 7 include outer cover 71 and the filtering group being slidably connected with outer cover 71 being arranged in outer cover 71 Part 72, outer cover 71 are shaped as cuboid, and the top of outer cover 71 is provided with rectangular aperture, and filter assemblies 72 pass through rectangular aperture grafting In outer cover 71, filter assemblies 72 are the filter frame 721 of a cuboid, and the front and rear sides of filter frame 721 are provided with screen pack 722, The top of filter frame 721 is connected by ring flange with outer cover 71, is bolted between flange, the top of filter frame 721 and outer cover The rubber blanket 723 for sealing filter assemblies 72 is provided between 71 tops, rubber blanket 723 is flexible, consolidates when by bolt When determining filter frame 721, the top of filter frame 721 can compress rubber blanket 723, play sealing function.When need clean screen pack When 722, the flange on the top of screen pack 722 can be opened by bolt, filter frame 721 is extracted out from outer cover 71.

As shown in figure 5, vacuum pipe 23, outer cover 71 and retort 21 outer wall at fire door 22 are disposed as double-layer hollow Structure, hydrologic cycle cooling system is provided with its interlayer, water plays cooling effect by water pump in each interlayer internal circulation flow, The too high scald worker of pipeline outer wall temperature can be avoided.

As shown in Figure 6 and Figure 7, two tracks 11 for being used to slide heating furnace 3 are provided with base 1, the bottom of track 11 is set Rack is equipped with, the bottom of heating furnace 3 is fixedly connected with a fixed seat 31, and the bottom of fixed seat 31 is provided with four rolling bearings 311, rolls Gear 311 is stretched into track 11 and engaged with rack, and the circle centre position of rolling bearing 311 positioned at the rear of heating furnace 3 is arranged in by one The connecting rod 312 of the bottom of fixed seat 31 is fixedly connected with locking system 32, and locking system 32 includes being socketed in the outer end of connecting rod 312 Ratchet 321 and the ratchet 322 being arranged on outside ratchet 321, ratchet 322 is rotatably connected in fixed seat 31 and ratchet 322 and spine 321 one way engagements are taken turns, may be such that and slided to ratchet 322 during the promotion heating furnace 3 of the direction of vacuum drying oven 2 on ratchet 321, to phase negative side During to mobile heating furnace 3, ratchet 321 contradicts with ratchet 322, and rolling bearing 311 is stuck so that heating furnace 3 can not be to opposite Move in direction.

As shown in Figure 6 and Figure 7, the home position of ratchet 321 is provided with a circular hole, and circular hole is socketed in outside connecting rod 312, connection Bore edges on bar 312 and ratchet 321 are provided with rectangular indentation, and the fixture block 323 of a rectangle, fixture block are provided with breach 323 end sets have projection, are easy to extract fixture block 323.Connecting rod 312 and ratchet 321 can be connected to one by fixture block 323 Rise so that ratchet 321 can rotate with connecting rod 312, and fixture block 323 can be extracted, and facilitate the installation of ratchet 321 with tearing open Unload.When heating furnace 3 is pushed into correct position, the position of heating furnace 3 is fixed, and can avoid heating furnace 3 in high-temperature heating state When shake, heating process is impacted.

As shown in Fig. 8, Fig. 9 and Figure 10, the support group for supporting furnace tank 21 and heated sealed stove 3 is provided with base 1 Part 33, support component 33 include the blocking arm 331 being rotatablely connected with base 1 and the cover plate 332 for being arranged on the top of blocking arm 331, lid It is in bowl-shape pallet 333 that plate 332, which is fixedly installed towards the side of vacuum drying oven 2 and is open towards retort 21, and the opposite side of cover plate 332 is set Columned bell 334 is equipped with, refractory material is scribbled around bell 334.

As shown in Fig. 8 Fig. 9 and Figure 10, the bottom of blocking arm 331 is provided with is rotatablely connected and is fixedly installed on base with blocking arm 331 Fixed disk 335 on 1, fixed disk 335 are provided at both ends with two groups of limit assemblies for being used to play blocking arm 331 position-limiting action, limit Hyte part includes two banking stops 336 triangular in shape being wholely set with fixed disk 335, and two banking stops 336 are symmetrical arranged, and two Limit stick 337 is provided between the top of banking stop 336, another group of limit assembly is symmetrical arranged with the limit assembly.331 turns of blocking arm It is dynamic to be connected between two limit assemblies, there is space between banking stop 336, resigning effect can be played to the rotation of blocking arm 331, When need heated sealed stove 3 and support vacuum drying oven 2（See Fig. 1）When, blocking arm 331 is rotated to the side of heating furnace 3, when blocking arm 331 Blocking arm 331 is limited when contradicting limit stick 337 so that cover plate 332 is just parked in the height where vacuum drying oven 2.And blocking arm 331 With certain elasticity, when promoting heating furnace 3, heating furnace 3 promotes bell 334 to cause blocking arm 331 to the curving of retort 21, Pallet 333 is pressed in the bottom of retort 21, pallet 333 is fastened with the bottom of retort 21, sealing can be both played to heating furnace 3 and is made With preventing the heat in heating furnace 3 from distributing, avoid that staff around is caused to scald, can play support to retort 21 again Effect, deformation is produced when preventing retort 21 from placing for a long time.

As shown in Figure 8 and Figure 9, in order to prevent retort 21 produces in high-temperature heating from rocking, it is provided with and wears in fixed seat 31 Located at the gripping mechanism 34 for clamping retort 21 of the bottom wall of heating furnace 3.One is provided with fixed seat 31 to connect with heating furnace 3 The passage 313 being vertically arranged, gripping mechanism 34 includes being arranged on the clamping brick being slidably connected with passage 313 in passage 313 341 and be arranged on the bottom of clamping brick 341 be used for control the governor motion 342 of the height of clamping brick 341, the upper table of clamping brick 341 Face is curved, clamping brick 341 is brought into close contact with the bottom surface of retort 21, the contact with the outer wall of retort 21 of increase clamping brick 341 Area.

As shown in Figure 8 and Figure 9, governor motion 342 includes the sleeve 3421 for being fixedly installed on the bottom of clamping brick 341, sleeve 3421 are square and the inwall of sleeve 3421 is provided with internal thread, and a screw mandrel being used cooperatively with it is provided with sleeve 3421 3422, the bottom of screw mandrel 3422 is provided with the bevel gear set rotated for drive screw 3422, and bevel gear set includes and screw mandrel 3422 The first helical gear 3423 that bottom is fixedly connected and the second helical gear 3424 engaged with the first helical gear 3423, the first helical teeth Wheel 3423 is horizontally set on the bottom of passage 313, and the second helical gear 3424 is vertically arranged, and the circle centre position of the second helical gear 3424 is set There is the control assembly 343 for controlling the first helical gear 3423 to rotate, control assembly 343 includes a drive for being arranged in fixed seat 31 Moving axis 3431, the other end of drive shaft 3431 stretch out outside fixed seat 31 and connect a rotating disk 3432, and rotating disk 3432 deviates circle centre position and set It is equipped with a holding rod 3433 for being easy to staff to hold.The driving of drive shaft 3,431 the can be made by rotating rotating disk 3432 by holding rod 3433 Two helical gears 3424 rotate so that and the first helical gear 3423 drives screw mandrel 3422 to rotate, because sleeve 3421 is square, fixed seat 31 pairs of sleeves 3421 play position-limiting action so that screw mandrel 3422 rotate when sleeve 3421 can only in the vertical direction motion so that Sleeve 3421 can drive clamping brick 341 to slide up and down, with the effect for reaching clamping or unclamping retort 21.

This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in right of the present utility model by Patent Law.

Claims (6)

1. a kind of horizontal outer heating vacuum furnace filter, including base (1), be arranged on base (1) be used for hold work to be burnt The vacuum drying oven (2) of part, with what base (1) was slidably connected it is used for the heating furnace (3) that is heated to vacuum drying oven (2) and setting Include retort for the vacuum pump set (4) that is vacuumized to vacuum drying oven (2), the vacuum drying oven (2) in vacuum drying oven (2) side (21) and the fire door (22) of retort (21) opening is arranged on, be characterised by：Described retort (21) one end is set and vacuum machine The vacuum pipe (23) of group (4) connection, filter (7), institute are provided between the vacuum pipe (23) and vacuum pump set (4) Stating filter (7) includes outer cover (71) and the filter assemblies being slidably connected with outer cover (71) being arranged in outer cover (71) (72), the filter assemblies (72) are the filter frame (721) of a cuboid, and filter frame (721) front and rear sides are provided with screen pack (722)。

2. the horizontal outer heating vacuum furnace filter of one kind according to claim 1, it is characterized in that：The filter frame (721) Top is connected by flange with outer cover (71), is bolted between flange.

3. the horizontal outer heating vacuum furnace filter of one kind according to claim 1, it is characterized in that：The filter frame (721) The rubber blanket (723) for sealing filter assemblies (72) is provided between top and outer cover (71) top.

4. the horizontal outer heating vacuum furnace filter of one kind according to claim 1, it is characterized in that：The vacuum pipe (23) And outer cover (71) outer wall is disposed as double-layer hollow structure, and hydrologic cycle cooling system is provided with its interlayer.

5. the horizontal outer heating vacuum furnace filter of one kind according to claim 1, it is characterized in that：Set in the fire door (22) It is equipped with some groups of equally distributed thermal insulation boards (221), fire door is fixedly connected on by two support columns between thermal insulation board (221) (22) on.

6. the horizontal outer heating vacuum furnace filter of one kind according to claim 5, it is characterized in that：The thermal insulation board (221) On be provided with several air-vents.