CN207581929U - For processing the CVD coating apparatus of micropore cvd diamond coated wire-drawing die - Google Patents
For processing the CVD coating apparatus of micropore cvd diamond coated wire-drawing die Download PDFInfo
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- CN207581929U CN207581929U CN201721787240.6U CN201721787240U CN207581929U CN 207581929 U CN207581929 U CN 207581929U CN 201721787240 U CN201721787240 U CN 201721787240U CN 207581929 U CN207581929 U CN 207581929U
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Abstract
The utility model discloses the CVD coating apparatus for processing micropore cvd diamond coated wire-drawing die, solves the problems, such as prior art coating quality and coating yield rate is low and coating apparatus is expensive when carrying out CVD coatings to wire drawing die of the aperture less than 0.8mm.The utility model includes vacuum furnace base, vacuum drying oven, positive electrode frame, negative electrode frame, stent, tooling platform, main positive electricity pole bar, upper positive electricity pole bar, lower positive electricity pole bar, upper positive electrode high temperature spring group, upper positive electrode high temperature spring, lower positive electrode high temperature spring group, lower positive electrode high temperature spring, main negative electricity pole bar, upper negative electricity pole bar, lower negative electricity pole bar, upper negative electrode high temperature spring group, upper negative electrode high temperature spring, lower negative electrode high temperature spring group, lower negative electrode high temperature spring, upper tantalum wire and lower tantalum wire.Design is scientific and reasonable for the utility model, and when carrying out coating to micropore wire drawing die of the aperture no more than 0.8mm, coating quality is good, coating high yield rate, and coating apparatus is cheap.
Description
Technical field
The utility model is related to wire drawing die diamond composite coating fields, and in particular to for processing micropore cvd diamond
The CVD coating apparatus of coated wire-drawing die.
Background technology
At present, there are three types of types for mainstream wire drawing die, the first is common wire drawing die, i.e. sintered carbide wire drawing die, and hard closes
Golden blank through repairing a die, polishing, it is bushing after become finished product for wire drawing use, this wire drawing die is of low cost, with short production cycle, but the longevity
It is low to order low cost performance, small-sized wire drawing enterprise uses more；Second is wire drawing mold with diamond compoiste coating, and the type wire drawing die is
Diamond-graphite composite of one layer of micron level is deposited in carbide surface, using polishing, bushing is made as finished product
With composite coating mold has the advantages of long lifespan (reaching 5-10 times of hard alloy), cost-effective, but unit price is closed than ordinary rigid
The golden expensive several times of wire drawing die, the production cycle is also relatively long, and large-scale wire drawing die factory uses more；The third is glomerocryst mould, also referred to as diamond
Mould, glomerocryst mould mold core are to be sintered diamond at high temperature as binding agent using silicon or cobalt, and wear-resisting property reaches hard
10-30 times of matter alloy, mold core using punching, polishing, chimeric finished product is made.The glomerocryst mould wearability high life is long, heat-resisting quantity
It is not easy to burn well, but it is expensive, and popularity rate is not high, is used primarily in the drawing of miniature silk.
It is limited by technology, common wire drawing die and wire drawing mold with diamond compoiste coating pore size have certain limit
Degree, especially diamond composite coating mould, when aperture is less than 0.8mm, coating quality and yield rate will all decline to a great extent, coating
Yield rate only has 30% or so.
Therefore, it designs a wire drawing die that can be less than 0.8mm to aperture and carries out CVD coatings and cheap micropore wire drawing
Mould CVD coating apparatus, becomes the technical issues of skilled artisan is urgently to be resolved hurrily.
Utility model content
The technical problems to be solved in the utility model is：CVD for processing micropore cvd diamond coated wire-drawing die is provided
Coating apparatus solves the prior art coating quality and coating finished product when carrying out CVD coatings to wire drawing die of the aperture less than 0.8mm
Rate is low and the problem of coating apparatus is expensive.
To achieve the above object, the technical solution adopted in the utility model is as follows：
For processing the CVD coating apparatus of micropore cvd diamond coated wire-drawing die, vacuum furnace base is set including interior bottom
Vacuum drying oven, parallel opposite positive electrode frame and negative electrode frame equipped on the vacuum furnace base and is vertically equidistantly fixed side by side
In four stents on the vacuum furnace base and between the positive electrode frame and the negative electrode frame, four stents
The stent of formation arranges cross direction profiles between the positive electrode frame and the negative electrode frame, and the top of each stent is fixed
There are one for fixing the tooling platform of micropore wire drawing die to be processed, all equal vertical distributions of tooling platform are in the positive electrode frame
And it states between negative electrode frame；
The positive electrode frame is perpendicularly fixed at a pair on the vacuum furnace base and being mutually parallel including equal insulated enclosure
Main positive electricity pole bar and be vertically connected at this between the main positive electricity pole bar and up and down the upper positive electricity pole bar of face and it is lower just
Electrode stem, vertical distance between the upper positive electricity pole bar and the lower positive electricity pole bar and the fixation being fixed on the tooling platform
Micropore wire drawing die to be processed is corresponding；The every upper positive electricity pole bar it is first-class away from be distributed with four groups respectively with four tooling platforms
Corresponding upper positive electrode high temperature spring group, upper positive electrode high temperature spring group includes two upper positive electricity very high temperature bullets described in every group
Spring, and this two upper positive electrode high temperature springs are located at the micropore wire drawing die to be processed on the corresponding tooling platform respectively
Top both sides, the every lower positive electricity pole bar it is first-class away from be distributed with four groups respectively with four corresponding lower positive electricity of tooling platform
Very high temperature groups of springs, lower positive electrode high temperature spring group includes two lower positive electrode high temperature springs, and two institutes described in every group
State the lower part both sides for the micropore wire drawing die to be processed that lower positive electrode high temperature spring is located at respectively on the corresponding tooling platform；
The negative electrode frame is perpendicularly fixed at a pair on the vacuum furnace base and being mutually parallel including equal insulated enclosure
Main negative electricity pole bar and it is vertically connected at this between the main negative electricity pole bar and the upper negative electricity pole bar of face and lower negative up and down
Electrode stem, vertical distance between the upper negative electricity pole bar and the lower negative electricity pole bar and the fixation being fixed on the tooling platform
Micropore wire drawing die to be processed is corresponding, and the upper positive electricity pole bar is in same vertical height, institute with the upper negative electricity pole bar
It states lower positive electricity pole bar and is in same vertical height with the lower negative electricity pole bar；The every upper negative electricity pole bar is first-class away from being distributed with four
Group is respectively with four corresponding upper negative electrode high temperature spring groups of tooling platform, upper negative electrode high temperature spring group packet described in every group
Two upper negative electrode high temperature springs are included, and this two upper negative electrode high temperature springs are located at respectively on the corresponding tooling platform
Micropore wire drawing die to be processed top both sides, the every lower negative electricity pole bar it is first-class away from be distributed with four groups respectively with described in four
The corresponding lower negative electrode high temperature spring group of tooling platform, it is high to include two lower negative electricity for lower negative electrode high temperature spring group described in every group
Warm spring, and this two lower negative electrode high temperature springs are located at the micropore wire drawing to be processed on the corresponding tooling platform respectively
The lower part both sides of mould；
The each upper positive electrode high temperature spring corresponds to a upper negative electrode high temperature spring respectively, and corresponding
Upper positive electrode high temperature spring and upper negative electrode high temperature spring between be connected with a upper tantalum wire being horizontal, each institute
It states lower positive electrode high temperature spring and corresponds to a lower negative electrode high temperature spring, and corresponding lower positive electricity very high temperature bullet respectively
A lower tantalum wire being horizontal is connected between spring and lower negative electrode high temperature spring, is made to be processed on each tooling platform
Two upper tantalum wires are distributed in micropore wire drawing die top, two lower tantalum wires, all upper tantalum wires and all lower tantalum wires point is distributed in lower part
Vertical range not between the micropore wire drawing die to be processed on corresponding tooling platform is corresponding micropore wire drawing die aperture to be processed
2.35 times.
Further, five micropore wire drawing dies to be processed are equidistantly arranged with, and same on each tooling platform
The directions of all micropore wire drawing dies to be processed on the tooling platform is consistent and arranged in co-axial alignment.
Further, the spacing of the two neighboring micropore wire drawing die to be processed on the same tooling platform is 5-10mm.
Further, the spacing of the two neighboring micropore wire drawing die to be processed on the same tooling platform is 8mm.
Further, it is 100mm that the diameter of all upper tantalum wires and all lower tantalum wires, which is 0.3mm, length,.
Further, the aperture of the micropore wire drawing die to be processed is not more than 0.8mm.
Compared with prior art, the utility model has the advantages that：
(1) the utility model is simple in structure, design is scientific and reasonable, easy to use, and micropore of the aperture no more than 0.8mm is drawn
When silk mould carries out coating, coating quality is good, coating high yield rate, and coating apparatus is cheap.
(2) the utility model is in the vacuum furnace base of vacuum drying oven by setting positive electrode frame facing each other and negative electrode frame,
And tooling platform is vertically set between positive electrode frame and negative electrode frame, the quantity of tooling platform can according to the length of positive and negative electrode frame come
Fixed, usually 2-6, preferably 4, "-" type arranges 3-8 only micropore wire drawing die to be processed, preferably 5 on tooling platform, just
Arc-spark stand and negative electrode frame are connected with the horizontal tantalum wire up and down stretched, and upper and lower tantalum wire is distributed in and treats by high temperature spring respectively
The periphery of micropore wire drawing die is processed, the periphery of the row micropore wire drawing die to be processed on same tooling platform, which is divided into, is furnished with two upper tantalums
Silk and two lower tantalum wires, the plane where two upper tantalum wires and the plane where two lower tantalum wires are preferably mutually parallel, meanwhile, often
The distance of tantalum wire and the micropore wire drawing die to be processed on corresponding tooling platform is the micropore wire drawing mode diameter to be processed to root up and down
2.35 times, by above structure, making the utility model, coating quality is good, and coating is set when carrying out coating to micropore wire drawing die
Standby price is extremely cheap, and coating high yield rate, relative to the yield rate of the prior art 30% or so, the utility model energy
Coating yield rate is improved to 60%-70%, huge economic benefit can be brought to wire drawing die enterprise.
Description of the drawings
Fig. 1 is the utility model front view.
Fig. 2 is the utility model left view.
Fig. 3 is the utility model vertical view.
Wherein, reference numeral is corresponding entitled：
1- vacuum drying ovens, 2- vacuum furnace base, the main positive electricity pole bars of 3-, the main negative electricity pole bars of 4-, 5- stents, 6- tooling platforms, on 7-
Under the upper negative electricity pole bar of positive electricity pole bar, 8-, 9- under positive electricity pole bar, 10- under negative electricity pole bar, the upper positive electrode high temperature springs of 11-, 12- just
Tantalum wire, 17- under negative electrode high temperature spring, the upper tantalum wires of 15-, 16- under the upper negative electrode high temperature spring of electrode high temperature spring, 13-, 14-
Micropore wire drawing die to be processed.
Specific embodiment
The utility model is described in further detail with embodiment for explanation below in conjunction with the accompanying drawings, and the mode of the utility model includes
But it is not limited only to following embodiment.
As shown in Figs. 1-3, the CVD coatings provided by the utility model for being used to process micropore cvd diamond coated wire-drawing die
Equipment, it is simple in structure, design is scientific and reasonable, it is easy to use, when carrying out coating to micropore wire drawing die of the aperture no more than 0.8mm,
Coating quality is good, coating high yield rate, and coating apparatus is cheap.The utility model sets vacuum furnace base 2 including interior bottom
Vacuum drying oven 1 (vacuum drying oven main part is not shown in figure), parallel opposite positive electrode frame equipped on the vacuum furnace base 2 and
It negative electrode frame and vertical is equidistantly fixed in side by side on the vacuum furnace base 2 and positioned at the positive electrode frame and the negative electricity
Four stents 5 between the frame of pole, the stent that four stents 5 are formed arrange cross direction profiles in the positive electrode frame and the negative electricity
Between the frame of pole, the top of each stent 5 is respectively and fixedly provided with one for fixing the tooling platform 6 of micropore wire drawing die 17 to be processed,
All 6 equal vertical distributions of the tooling platform are in the positive electrode frame and state between negative electrode frame.
Positive electrode frame described in the utility model be perpendicularly fixed on the vacuum furnace base 2 including equal insulated enclosure and mutually
The main positive electricity pole bar 3 of parallel a pair and be vertically connected at this between the main positive electricity pole bar 3 and up and down face it is upper just
Electrode stem 7 and lower positive electricity pole bar 9, the vertical distance between the upper positive electricity pole bar 7 and the lower positive electricity pole bar 9 is with being fixed on institute
The fixation micropore wire drawing die 17 to be processed stated on tooling platform 6 is corresponding；Four groups are equidistantly distributed in the every upper positive electricity pole bar 7
Respectively with four corresponding upper positive electrode high temperature spring groups of tooling platform 6, upper positive electrode high temperature spring group packet described in every group
Two upper positive electrode high temperature springs 11 are included, and this two upper positive electrode high temperature springs 11 are located at the corresponding tooling respectively
The top both sides of micropore wire drawing die 17 to be processed on platform 6, be equidistantly distributed in the every lower positive electricity pole bar 9 four groups respectively with
Four corresponding lower positive electrode high temperature spring groups of tooling platform 6, lower positive electrode high temperature spring group includes two described in every group
Lower positive electrode high temperature spring 12, and this two lower positive electrode high temperature springs 12 are located at respectively on the corresponding tooling platform 6
Micropore wire drawing die 17 to be processed lower part both sides.
Negative electrode frame described in the utility model be perpendicularly fixed on the vacuum furnace base 2 including equal insulated enclosure and mutually
The main negative electricity pole bar 4 of parallel a pair and be vertically connected at this between the main negative electricity pole bar 4 and face up and down it is upper negative
Electrode stem 8 and lower negative electricity pole bar 10, the vertical distance between the upper negative electricity pole bar 8 and the lower negative electricity pole bar 10 is with being fixed on
Fixation micropore wire drawing die 17 to be processed on the tooling platform 6 is corresponding, and the upper positive electricity pole bar 7 and the upper negative electrode
Bar 8 is in same vertical height, and the lower positive electricity pole bar 9 is in same vertical height with the lower negative electricity pole bar 10；Every institute
State equidistantly be distributed in negative electricity pole bar 8 four groups respectively with four corresponding upper negative electrode high temperature spring groups of tooling platform 6,
Upper negative electrode high temperature spring group described in every group includes two upper negative electrode high temperature springs 13, and this two upper negative electricity are high
Warm spring 13 is located at the top both sides of the micropore wire drawing die 17 to be processed on the corresponding tooling platform 6 respectively, and every described lower negative
Equidistantly be distributed on electrode stem 10 four groups respectively with four corresponding lower negative electrode high temperature spring groups of tooling platform 6, every group
The lower negative electrode high temperature spring group includes two lower negative electrode high temperature springs 14, and this two lower negative electricity very high temperature bullets
Spring 14 is located at the lower part both sides of the micropore wire drawing die 17 to be processed on the corresponding tooling platform 6 respectively.
Each of the utility model upper positive electrode high temperature spring 11 corresponds to a upper negative electricity very high temperature bullet respectively
Spring 13, and be connected between corresponding upper positive electrode high temperature spring 11 and upper negative electrode high temperature spring 13 one it is horizontal
The upper tantalum wire 15 of state, each lower positive electrode high temperature spring 12 correspond to a lower negative electrode high temperature spring 14 respectively,
And it is connected with one between corresponding lower positive electrode high temperature spring 12 and lower negative electrode high temperature spring 14 to be horizontal
Lower tantalum wire 16 makes 17 top of micropore wire drawing die to be processed on each tooling platform 6 that two upper tantalum wires 15, lower part distribution be distributed with
There are two lower tantalum wires 16, all upper tantalum wires 15 and all lower tantalum wires 16 are drawn respectively with the micropore to be processed on corresponding tooling platform 6
Vertical range between silk mould 17 is 2.35 times of corresponding 17 aperture of micropore wire drawing die to be processed.
The utility model is each equidistantly arranged with five micropore wire drawing dies 17 to be processed on the tooling platform 6, and
The directions of all micropore wire drawing dies 17 to be processed on the same tooling platform 6 is consistent and arranged in co-axial alignment, the same work
The spacing of the two neighboring micropore wire drawing die 17 to be processed on platform 6 is filled as 5-10mm, it is two neighboring on the same tooling platform 6
The spacing of micropore wire drawing die 17 to be processed is 8mm, and the diameter of all upper tantalum wires 15 and all lower tantalum wires 16 is
0.3mm, length are 100mm.
The aperture of micropore wire drawing die 17 to be processed described in the utility model is not more than 0.8mm.
The utility model by setting positive electrode frame facing each other and negative electrode frame in the vacuum furnace base of vacuum drying oven, and
Tooling platform is vertically set between positive electrode frame and negative electrode frame, the quantity of tooling platform can determine according to the length of positive and negative electrode frame,
Usually 2-6, preferably 4, "-" type arranges 3-8 only micropore wire drawing die to be processed, preferably 5, positive electricity on tooling platform
Pole frame and negative electrode frame are connected with the horizontal tantalum wire up and down stretched by high temperature spring respectively, and up and down tantalum wire be distributed in it is to be added
The periphery of work micropore wire drawing die, the periphery of the row micropore wire drawing die to be processed on same tooling platform, which is divided into, is furnished with two upper tantalum wires
With two lower tantalum wires, the plane where two upper tantalum wires and the plane where two lower tantalum wires are preferably mutually parallel, meanwhile, every
The distance of upper and lower tantalum wire and the micropore wire drawing die to be processed on corresponding tooling platform is the micropore wire drawing mode diameter to be processed
2.35 times, by above structure, making the utility model, coating quality is good, coating apparatus when carrying out coating to micropore wire drawing die
Price it is extremely cheap, and coating high yield rate, relative to the yield rate of the prior art 30% or so, the utility model can will
Coating yield rate is improved to 60%-70%, and huge economic benefit can be brought to wire drawing die enterprise.
It will be observed using the micropore wire drawing die that the utility model is processed by stereomicroscope, it can be seen that mold
Endoporus smooth and clean, it is seen that obvious " mastoid process ", regular crystal forms, crystal arrangement is uniform, and no significant depressions and mass illustrate to apply
Layer quality reaches expected standard；And the micropore wire drawing die after processing is used into stereomicroscope again after ultrasonic wave grinder polishes
Observation, it is seen that endoporus light is smooth, and finish reaches Ra0.5, fully meets wire drawing requirement.
Above-described embodiment is only one of preferred embodiment of the utility model, should not be taken to limit the utility model
Protection domain, as long as the utility model body design thought and that mentally makes have no the change of essential meaning or profit
Color, the technical issues of solving, are still consistent with the utility model, should all be included in the scope of protection of the utility model
Within.
Claims (6)
1. for processing the CVD coating apparatus of micropore cvd diamond coated wire-drawing die, it is characterised in that：It is set very including interior bottom
The vacuum drying oven (1) of empty furnace base (2), parallel opposite positive electrode frame and negative electrode frame equipped on the vacuum furnace base (2), with
And it is vertically equidistantly fixed in side by side on the vacuum furnace base (2) and between the positive electrode frame and the negative electrode frame
Four stents (5), stent row's cross direction profiles that four stents (5) are formed in the positive electrode frame and the negative electrode frame it
Between, one is respectively and fixedly provided at the top of each stent (5) for fixing the tooling platform (6) of micropore wire drawing die to be processed, is owned
The tooling platform (6) vertical distribution is in the positive electrode frame and states between negative electrode frame；
It is main that the positive electrode frame includes a pair that equal insulated enclosure is perpendicularly fixed on the vacuum furnace base (2) and is mutually parallel
Positive electricity pole bar (3) and it is vertically connected at this between the main positive electricity pole bar (3) and the upper positive electricity pole bar of face up and down
(7) and lower positive electricity pole bar (9), the vertical distance between the upper positive electricity pole bar (7) and the lower positive electricity pole bar (9) is with being fixed on
Fixation micropore wire drawing die to be processed on the tooling platform (6) is corresponding；It is equidistantly distributed on the every upper positive electricity pole bar (7)
Four groups, respectively with four corresponding upper positive electrode high temperature spring groups of tooling platform (6), are gone up positive electricity very high temperature bullet described in every group
Spring group includes two upper positive electrode high temperature springs (11), and this two upper positive electrode high temperature springs (11) are located at phase respectively
The top both sides of the micropore wire drawing die to be processed on the tooling platform (6) are answered, are equally spaced on the every lower positive electricity pole bar (9)
There are four groups respectively with four corresponding lower positive electrode high temperature spring groups of tooling platform (6), lower positive electricity very high temperature described in every group
Groups of springs includes two lower positive electrode high temperature springs (12), and this two lower positive electrode high temperature springs (12) are located at respectively
The lower part both sides of micropore wire drawing die to be processed on the corresponding tooling platform (6)；
It is main that the negative electrode frame includes a pair that equal insulated enclosure is perpendicularly fixed on the vacuum furnace base (2) and is mutually parallel
Negative electricity pole bar (4) and it is vertically connected at this between the main negative electricity pole bar (4) and the upper negative electricity pole bar of face up and down
(8) and lower negative electricity pole bar (10), vertical distance and fixation between the upper negative electricity pole bar (8) and the lower negative electricity pole bar (10)
It is corresponding in the fixation micropore wire drawing die to be processed on the tooling platform (6), and the upper positive electricity pole bar (7) with it is described negative
Electrode stem (8) is in same vertical height, and the lower positive electricity pole bar (9) is with the lower negative electricity pole bar (10) in same vertical height
Degree；Equidistantly be distributed on the every upper negative electricity pole bar (8) four groups respectively with four corresponding upper negative electricity of tooling platform (6)
Very high temperature groups of springs, upper negative electrode high temperature spring group described in every group include two upper negative electrode high temperature springs (13), and this two
Upper negative electrode high temperature spring (13) is located at the top of the micropore wire drawing die to be processed on the corresponding tooling platform (6) respectively described in root
Both sides, be equidistantly distributed on the every lower negative electricity pole bar (10) four groups respectively with four tooling platforms (6) it is corresponding under
Negative electrode high temperature spring group, lower negative electrode high temperature spring group includes two lower negative electrode high temperature springs (14) described in every group, and
This two lower negative electrode high temperature springs (14) are located at the micropore wire drawing die to be processed on the corresponding tooling platform (6) respectively
Lower part both sides；
The each upper positive electrode high temperature spring (11) corresponds to a upper negative electrode high temperature spring (13), and phase respectively
Be connected between corresponding upper positive electrode high temperature spring (11) and upper negative electrode high temperature spring (13) one be horizontal it is upper
Tantalum wire (15), each lower positive electrode high temperature spring (12) correspond to a lower negative electrode high temperature spring (14) respectively,
And be connected between corresponding lower positive electrode high temperature spring (12) and lower negative electrode high temperature spring (14) one it is horizontal
The lower tantalum wire (16) of state, make the micropore wire drawing die top to be processed on each tooling platform (6) be distributed with two upper tantalum wires (15),
Lower part is distributed with two lower tantalum wires (16), all upper tantalum wires (15) and all lower tantalum wires (16) respectively with corresponding tooling platform (6)
On micropore wire drawing die to be processed between vertical range be 2.35 times of corresponding micropore wire drawing die aperture to be processed.
2. the CVD coating apparatus according to claim 1 for being used to process micropore cvd diamond coated wire-drawing die, feature
It is：Five micropore wire drawing dies to be processed, and the same tooling platform are equidistantly arranged on each tooling platform (6)
(6) directions of all micropore wire drawing dies to be processed on is consistent and arranged in co-axial alignment.
3. the CVD coating apparatus according to claim 2 for being used to process micropore cvd diamond coated wire-drawing die, feature
It is：The spacing of two neighboring micropore wire drawing die to be processed on the same tooling platform (6) is 5-10mm.
4. the CVD coating apparatus according to claim 3 for being used to process micropore cvd diamond coated wire-drawing die, feature
It is：The spacing of two neighboring micropore wire drawing die to be processed on the same tooling platform (6) is 8mm.
5. it is set according to any one of claims 1-4 for processing the CVD coatings of micropore cvd diamond coated wire-drawing die
It is standby, it is characterised in that：The diameter of all upper tantalum wires (15) and all lower tantalum wires (16) is that 0.3mm, length are
100mm。
6. the CVD coating apparatus according to claim 5 for being used to process micropore cvd diamond coated wire-drawing die, feature
It is：The aperture of the micropore wire drawing die to be processed is not more than 0.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721787240.6U CN207581929U (en) | 2017-12-20 | 2017-12-20 | For processing the CVD coating apparatus of micropore cvd diamond coated wire-drawing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721787240.6U CN207581929U (en) | 2017-12-20 | 2017-12-20 | For processing the CVD coating apparatus of micropore cvd diamond coated wire-drawing die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207581929U true CN207581929U (en) | 2018-07-06 |
Family
ID=62739036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721787240.6U Active CN207581929U (en) | 2017-12-20 | 2017-12-20 | For processing the CVD coating apparatus of micropore cvd diamond coated wire-drawing die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207581929U (en) |
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2017
- 2017-12-20 CN CN201721787240.6U patent/CN207581929U/en active Active
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