CN206343621U - Closed work chamber - Google Patents

Abstract

The utility model proposes a kind of closed work chamber, for the metal working devices in sealing metal increasing material manufacturing, including base, and it is connected to the bulkhead of base, base seals the outside for being surrounded on metal working devices with bulkhead jointly, bulkhead includes the wing bulkhead for being arranged at metal working devices outside portion, and is arranged at the upper bulkhead at the top of metal working devices, and wing bulkhead is tightly connected with upper bulkhead；The outside spacers of wing bulkhead are provided with outer bulkhead, and the first interlayer that heat is produced in metal working devices can be taken away by ventilating air by being formed between outer bulkhead and wing bulkhead.The closed work chamber so that gas can be cooled down by flowing through interlayer to bulkhead, reduces the deformation of bulkhead, has delayed the aging of sealed colloid, improve the reliability of work chamber by setting compound wall.

Description

Closed work chamber

Technical field

The utility model is related to closed used in metal material increasing field, more particularly to a kind of metal increasing material manufacturing Work chamber.

Background technology

In metal increasing material manufacturing, Direct Metal Deposition technology is existing more general technology, and the technology utilizes thermal source The synchronous metal wire material or powder being sent into of fusing, layer upon layer to manufacture metal parts, the technology need with thermal source such as electric arc, etc. Ion arc or laser fusion metal material carry out long-time accumulation.And when processing some active metal parts, in order to avoid height Harmful chemicals reaction occurs for oxygen, nitrogen, vapor etc. in the metal parts and air of temperature, it usually needs closed work chamber by part with Air insulated.

Existing closed work chamber includes vacuum chamber and inert gas cabin.Wherein, vacuum chamber uses vavuum pump by air Extracted out out of cabin, higher vacuum is maintained, so as to be protected to high-temperature metal part, in order to resist atmospheric pressure, vacuum Room is generally welded with steel plate；Inert gas cabin uses inert gas such as argon gas or nitrogen as protection gas, full of cabin, Normal pressure or pressure-fired are kept, so as to play a part of air-isolation, protection part.Inert gas cabin is generally sealed using rubber cushion.

In above-mentioned existing scheme, either vacuum chamber or inert gas cabin are single layer structure, without actively Refrigerating function, when carrying out band large-scale metal part increasing material manufacturing, the time that it needs is longer, and heat is accumulated on part, and is led to Convection current, radiation is crossed to be delivered on lathe bulkhead；And closed work chamber is generally spliced using plurality of steel plates, centre is using sealing Glue or sealing gasket filling, to play sealing effectiveness, but this kind of sealing means are under high temperature action, and bulkhead produces differential expansion With compression, sealed interface unbalance stress will be caused, sealing structure is easily damaged, cause gas leakage；Simultaneously under high temperature action, sealing The meeting accelerated ageing of the structures such as glue, sealing gasket, causes sealing effectiveness to decline, the lost of life.

The content of the invention

In order to solve the above problems, the utility model provides a kind of closed work chamber, and the closed work chamber is by setting Compound wall, so that gas can be cooled down by flowing through interlayer to bulkhead, reduces the deformation of bulkhead, has delayed sealing The aging of colloid, improves the reliability of work chamber.

In order to achieve the above object, the technical solution adopted in the utility model is：

A kind of closed work chamber, for the metal working devices in sealing metal increasing material manufacturing, including base, and connection In the bulkhead of base, base seals the outside for being surrounded on metal working devices with bulkhead jointly, and bulkhead adds including being arranged at metal Frock puts the wing bulkhead of outside portion, and is arranged at the upper bulkhead at the top of metal working devices, and wing bulkhead is sealed with upper bulkhead to be connected Connect；The outside spacers of wing bulkhead are provided with outer bulkhead, and metal can be taken away by ventilating air by being formed between outer bulkhead and wing bulkhead The first interlayer of heat is produced in processing unit (plant).

As further optimization of the present utility model, the clear width of wing bulkhead is provided with interior bulkhead, the top of interior bulkhead It is arranged at intervals with upper bulkhead, is formed to take away by the inert gas that circulates in metal working devices between interior bulkhead and wing bulkhead and produced Second interlayer of heat amount.

As further optimization of the present utility model, the outside of outer bulkhead is provided with and can provide ventilating air for the first interlayer The first blower fan, the air outlet of the first blower fan is connected with the air duct of negotiable air, and the other end of air duct is stretched to The bottom of first interlayer.

As further optimization of the present utility model, it is provided with what inert gas in closed work chamber can be exported on bulkhead Outlet pipe, the outlet side of outlet pipe is stretched out outside bulkhead, and the outlet side of outlet pipe, which is connected with, can cool down inert gas Heat exchanger, the output end of heat exchanger, which is connected with, can convey the second blower fan of inert gas, and the outlet side of the second blower fan is connected with can The admission line of circulation inert gas, the outlet side of admission line stretches to the bottom of the second interlayer.

As further optimization of the present utility model, multiple first dividing plates are arranged at intervals with from top to bottom in the first interlayer, The accommodation space of external piece can be placed by being formed between adjacent first dividing plate.

As further optimization of the present utility model, multiple second partitions are arranged at intervals with from top to bottom in the second interlayer.

As further optimization of the present utility model, bulkhead includes multiple steel plates being sequentially connected with, the two ends end of steel plate Outstanding be provided between joint, adjacent steel plate is connected by joint sealing.

As further optimization of the present utility model, the width of the first interlayer cross section is 10mm~100mm.

As further optimization of the present utility model, the width of the second interlayer cross section is 10mm~30mm.

As further optimization of the present utility model, observation window is provided with outer bulkhead.

Compared with prior art, advantage of the present utility model and good effect are：

1st, closed work chamber of the present utility model, cooling gas can be flowed through by setting to be formed between compound wall, compound wall Interlayer, so as to reduce the deformation of bulkhead, and delayed the aging of sealed colloid, improved the reliability of work chamber；

2nd, interlayer is formed between closed work chamber of the present utility model, its compound wall, cable, pipeline, annex can be placed Deng, it is therefore prevented that high temperature is to placing the adverse effect that object is brought, while also the surfaces externally and internally of equipment can be made clean and tidy, attractive in appearance.

Brief description of the drawings

Fig. 1 is the sectional view of the closed work chamber of the utility model；

Fig. 2 is the structural representation of two layers of walls in Fig. 1；

Fig. 3 is the structural representation of three layers of wall in Fig. 1.

Above in each figure：1st, base；2nd, bulkhead；21st, joint；3rd, outer bulkhead；31st, the first interlayer；32nd, the first dividing plate；4、 Interior bulkhead；41st, the second interlayer；42nd, second partition；5th, the first blower fan；51st, air duct；6th, heat exchanger；61st, outlet pipe；7、 Second blower fan；71st, admission line；8th, metal working devices；9th, external piece.

Embodiment

Below, the utility model is specifically described by exemplary embodiment.It should be appreciated, however, that not having In the case of being further discussed below, element, structure and features in an embodiment can also be advantageously incorporated into other implementations In mode.

, it is necessary to which explanation, the short transverse of closed work chamber is the vertical side in Fig. 1 in description of the present utility model To；The orientation or position relationship of the instruction such as term " on ", " under ", " top ", " bottom " be based on the position relationship shown in Fig. 1, It is for only for ease of description the utility model and simplifies description, rather than indicates or imply that the device or element of meaning must have Specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance.

Referring to Fig. 1, Fig. 1 is the sectional view of closed work chamber in the utility model.As shown in figure 1, of the present utility model close Work chamber is closed, for the metal working devices 8 in sealing metal increasing material manufacturing, wherein metal working devices described at this include The mobile motion such as driving heat source, thermal source, part to be processed, the workbench for placing parts to be processed etc., herein Metal working devices 8 be processing unit (plant) described in background technology in metal deposition technique.

With reference to shown in Fig. 2, closed work chamber of the present utility model includes base 1, and is connected to the bulkhead 2 of base 1, bottom Seat 1 seals the outside for being surrounded on metal working devices 8 with bulkhead 2 jointly, and bulkhead 2 includes being arranged at the outside of metal working devices 8 The wing bulkhead in portion, and the upper bulkhead at the top of metal working devices 8 is arranged at, wing bulkhead is sequentially connected with the sealing of upper bulkhead；Side The outside spacers of bulkhead are provided with outer bulkhead 3, and intermetallic composite coating can be taken away by ventilating air by being formed between outer bulkhead 3 and wing bulkhead The first interlayer 31 of heat is produced in device 8.

It should be noted that " inner side " " outside " described in the utility model is using closed work chamber as with reference to mark Standard, that is, the position for being provided with metal working devices is the inner side of bulkhead；Conversely, being then the outside of bulkhead.

In such scheme, outer bulkhead 3 is arranged on the surrounding of closed work chamber, due to closed work chamber distance from top metal Parts to be processed is distant in processing unit (plant), and generally not installing other has the part of kinematic accuracy, and it is deformed to work The influence of flow is smaller, therefore is not provided with the top of bulkhead outer bulkhead.

With continued reference to Fig. 1 and Fig. 2, the outside of outer bulkhead 3 is provided with can provide ventilating air for the first interlayer 31 first Blower fan 5, the air outlet of the first blower fan 5 is connected with the air duct 51 of negotiable air, and the other end of air duct 51 is stretched to The bottom of first interlayer 31.Air is flowed from bottom to top in the first interlayer 31, and the heat on bulkhead 2 is taken away during flowing Measure, and the upper end through outer bulkhead 3 is discharged into air.

With reference to referring to Fig. 3, Fig. 3 is the structural representation of three layers of wall in Fig. 1.As shown in figures 1 and 3, the inner side of wing bulkhead Interior bulkhead 4 is arranged at intervals with, top and the upper bulkhead of interior bulkhead 4 are arranged at intervals, and being formed between interior bulkhead 4 and wing bulkhead to pass through Circulation inert gas takes away the second interlayer 41 that heat is produced in metal working devices 8.

In above-mentioned, whether the setting of interior bulkhead depends on the distance between parts to be processed in bulkhead and metal working devices And the power that thermal source is persistently exported.When part larger (reference value >=500mm) to be processed in metal working devices, thermal source are defeated Go out power higher (reference value >=2kW), process time is also longer, and inside parts are that can accumulate amount of heat, in this case It is preferred that adding interior bulkhead.

With reference to shown in Fig. 1 and Fig. 3, the outlet pipe that inert gas in closed work chamber can be exported is provided with bulkhead 2 61, the outlet side of outlet pipe 61 is stretched out outside bulkhead 2, and the outlet side of outlet pipe 61, which is connected with, can cool down changing for inert gas Hot device 6, the output end of heat exchanger 6, which is connected with, can convey the second blower fan 7 of inert gas, and the outlet side of the second blower fan 7 is connected with The admission line 71 of negotiable inert gas, the outlet side of admission line 71 stretches to the bottom of the second interlayer 41.

In above-mentioned, the second interlayer is in the presence of the first blower fan, and the inert gas in closed work chamber is through inert gas Outlet pipe is cooled down into heat exchanger, is pressurizeed by the second blower fan, and the admission line through inert gas is admitted in the second interlayer, Gas from bottom to top, cools down bulkhead, and by being discharged into closed work chamber top at the top of the second interlayer, then through inert gas Outlet pipe takes cooling away.

In such scheme of the present utility model, either double wall or three layers of wall, the multilayer wall construction is by flowing through The gas of interlayer is cooled down to bulkhead, reduces the deformation of bulkhead, and can delay the aging of sealed colloid, improves closed work Make the reliability in cabin.

As preferred embodiment of the present utility model, multiple first dividing plates are arranged at intervals with the first interlayer 31 from top to bottom 32, the accommodation space of external piece 9 can be placed by being formed between adjacent first dividing plate 32.External piece 9 described above includes but not limited In cable, pipeline, annex etc., include the external piece of cable, pipeline, annex etc. by being placed in the first interlayer, height can be prevented The adverse effect that temperature is brought to external piece, while also the surfaces externally and internally of closed work chamber can be made clean and tidy, attractive in appearance；Meanwhile, this reality With interval may also set up multiple second partitions 42 from top to bottom in the second new interlayer 41.

By the setting of above-mentioned first dividing plate 41 and second partition 42, the first interlayer and the second interlayer are separated to form Multiple flow-guiding channels, are flowed from below to up with constraining gas.

In addition, referring again to Fig. 1, the bulkhead 2 in the utility model includes multiple steel plates being sequentially connected with, the two ends of steel plate Outstanding be provided between joint 21, adjacent steel plate in end is tightly connected by joint 21, and fluid sealant can be used at the sealing Or rubber cushion filling.

In addition, the installation requirement in order to coordinate external piece, the width of the cross section of the first interlayer 31 be preferably 10mm~ 100mm；The width of the cross section of second interlayer 41 is preferably 10mm~30mm.

Closed work chamber of the present utility model is additionally provided with work hatch door, and the work hatch door is installed on as on bulkhead, material Metallic plate of fine quality of electing as makes reinforcing plate structure, and inner side edge patch thin plate forms interior bulkhead, constitutes double-decker；If metal working devices Process in heat it is smaller, can also be only with single layer structure when heat affecting is little.

In addition, corresponding position on observation window, bulkhead 2 is additionally provided with outer bulkhead 3 is also provided with structure between observation window, two windows Into air blanketing, the cooling to viewing glass on bulkhead 8 is realized.

In the utility model, interior bulkhead and outer bulkhead use steel plate material, and its steel plate thickness is preferably 1mm~5mm.

Claims (10)

1. a kind of closed work chamber, for the metal working devices (8) in sealing metal increasing material manufacturing, including base (1), and The bulkhead (2) of base (1) is connected to, base (1) seals the outside for being surrounded on metal working devices (8) with bulkhead (2) jointly, its It is characterised by：Bulkhead (2) includes the wing bulkhead for being arranged at metal working devices (8) outside portion, and is arranged at intermetallic composite coating dress The upper bulkhead at the top of (8) is put, wing bulkhead is tightly connected with upper bulkhead；The outside spacers of wing bulkhead are provided with outer bulkhead (3), outer cabin Wall (3) is formed between wing bulkhead can take away the first interlayer that heat is produced in metal working devices (8) by ventilating air (31)。

2. closed work chamber according to claim 1, it is characterised in that：The clear width of wing bulkhead is provided with interior bulkhead (4), The top of interior bulkhead (4) is arranged at intervals with upper bulkhead, and interior bulkhead (4) is formed between wing bulkhead can pass through the inert gas band that circulates Walk to produce the second interlayer (41) of heat in metal working devices (8).

3. closed work chamber according to claim 1 or claim 2, it is characterised in that：It can be first that the outside of outer bulkhead (3), which is provided with, Interlayer (31) provides the first blower fan (5) of ventilating air, and the air outlet of the first blower fan (5) is connected with the air hose of negotiable air Road (51), the other end of air duct (51) stretches to the bottom of the first interlayer (31).

4. closed work chamber according to claim 2, it is characterised in that：Being provided with bulkhead (2) can be by closed work chamber Bulkhead (2) outside is stretched out in the outlet pipe (61) of inert gas output, the outlet side of outlet pipe (61), outlet pipe (61) Outlet side, which is connected with, can cool down the heat exchanger (6) of inert gas, and the output end of heat exchanger (6), which is connected with, can convey inert gas Second blower fan (7), the outlet side of the second blower fan (7) is connected with the admission line (71) of negotiable inert gas, admission line (71) outlet side stretches to the bottom of the second interlayer (41).

5. closed work chamber according to claim 1 or claim 2, it is characterised in that：Interval is set from top to bottom in first interlayer (31) It is equipped with to be formed between multiple first dividing plates (32), adjacent first dividing plate (32) and the accommodation space of external piece (9) can be placed.

6. closed work chamber according to claim 2, it is characterised in that：It is arranged at intervals with from top to bottom in second interlayer (41) Multiple second partitions (42).

7. closed work chamber according to claim 1, it is characterised in that：Bulkhead (2) includes multiple steel plates being sequentially connected with, steel Outstanding be provided between joint (21), adjacent steel plate in the two ends end of plate is tightly connected by joint (21).

8. closed work chamber according to claim 1, it is characterised in that：The width of the first interlayer (31) cross section be 10mm~ 100mm。

9. closed work chamber according to claim 2, it is characterised in that：The width of the second interlayer (41) cross section be 10mm~ 30mm。

10. closed work chamber according to claim 1, it is characterised in that：Observation window is provided with outer bulkhead (3).