CN109576636A - A kind of metal works Nitrizing Treatment device - Google Patents
A kind of metal works Nitrizing Treatment device Download PDFInfo
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- CN109576636A CN109576636A CN201910061039.7A CN201910061039A CN109576636A CN 109576636 A CN109576636 A CN 109576636A CN 201910061039 A CN201910061039 A CN 201910061039A CN 109576636 A CN109576636 A CN 109576636A
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- steel pipe
- cabinet
- traveller
- metal works
- treatment device
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The present invention relates to metal works technical field of processing equipment, specifically a kind of metal works Nitrizing Treatment device, including cabinet, steel pipe main body, supporting mechanism, sealing mechanism, bindiny mechanism and heating furnace；The present invention can have inside to be supported steel pipe by supporting mechanism, so that the outer wall of steel pipe is unobstructed, can sufficiently contact with ammonia, improve Nitrizing Treatment effect；Each traveller can be squeezed out by rotating screw rod, so that contact resists steel pipe, easy to operate, good fixing effect, and after completion of processing, screw rod need to only be produced, each traveller can be taken in steel pipe under the drive of spring, realize quick separating；The surrounding for the steel pipe that extraneous ammonia can be uniformly distributed by gas transmission chamber, exhaust head, increases the covering surface of ammonia.
Description
Technical field
The present invention relates to metal works technical field of processing equipment, specifically a kind of metal works Nitrizing Treatment dress
It sets.
Background technique
Nitrogen treatment refers at the chemical heat for making nitrogen-atoms penetrate into workpiece surface in a kind of medium certain at a certain temperature
Science and engineering skill.The product of via nitride processing has excellent wearability, fatigue durability, corrosion resistance and characteristic resistant to high temperature.
Nitrizing Treatment has a wide range of applications in steel pipe processing, but in order to guarantee that steel pipe can be stably placed in furnace body,
It will use fixture to clamp steel pipe, this will cause the retaining part of steel pipe not contact with ammonia effectively, at nitriding
It manages ineffective.In consideration of it, being had the following characteristics that the present invention provides a kind of metal works Nitrizing Treatment device
(1) a kind of metal works Nitrizing Treatment device of the present invention can have inside to steel pipe by supporting mechanism
It is supported, so that the outer wall of steel pipe is unobstructed, can sufficiently be contacted with ammonia, improve Nitrizing Treatment effect；
(2) a kind of metal works Nitrizing Treatment device of the present invention can be squeezed each traveller by rotating screw rod
Out, so that contact resists steel pipe, easy to operate, good fixing effect, and after completion of processing, screw rod need to only be produced, respectively
A traveller can be taken in steel pipe under the drive of spring, realize quick separating；
(3) a kind of metal works Nitrizing Treatment device of the present invention, extraneous ammonia can pass through gas transmission chamber, row
The surrounding for the steel pipe that gas head is uniformly distributed increases the covering surface of ammonia.
Summary of the invention
For the problems of the prior art, the present invention provides a kind of metal works Nitrizing Treatment devices, by supporting machine
Structure can have inside to be supported steel pipe, so that the outer wall of steel pipe is unobstructed, can sufficiently contact with ammonia, improve and seep
Nitrogen treatment effect；Each traveller can be squeezed out by rotating screw rod, so that contact resists steel pipe, it is easy to operate, it is fixed
Effect is good, and after completion of processing, screw rod need to only be produced, each traveller can be taken in steel pipe under the drive of spring,
Realize quick separating；The surrounding for the steel pipe that extraneous ammonia can be uniformly distributed by gas transmission chamber, exhaust head increases ammonia
Covering surface.
The technical solution adopted by the present invention to solve the technical problems is: a kind of metal works Nitrizing Treatment device, including
Cabinet, steel pipe main body, supporting mechanism, sealing mechanism, bindiny mechanism and heating furnace；The bottom of the cabinet is equipped with the heating
Furnace, the heating furnace is to heat the cabinet；The inside of the cabinet is placed with the steel pipe main body, the steel pipe main body
It is internally embedded the supporting mechanism, the supporting mechanism contradicts the steel pipe main body to support；The side of the supporting mechanism
Wall connects the sealing mechanism, opening of the sealing mechanism to block the cabinet by the bindiny mechanism；It is described
Position of the bindiny mechanism to adjust the supporting mechanism.
Specifically, the cabinet structure open at one end, gas transmission chamber, the top of the cabinet are provided in the shell of the cabinet
Face is equipped with air inlet pipe and exhaust pipe, and the air inlet pipe, the exhaust pipe and the gas transmission chamber are interconnected, the cabinet it is interior
Exhaust head is distributed in wall, and the exhaust head and the gas transmission chamber are interconnected.
Specifically, the exhaust head circular array distribution, the length of the exhaust head distribution length and the steel pipe main body
It spends identical.
Specifically, the supporting mechanism includes box body, the first position-limit mechanism and the second position-limit mechanism, the two of the box body
First position-limit mechanism and second position-limit mechanism, first position-limit mechanism, second limit is distributed in sidewall symmetry
The end of position mechanism is bonded with the inner wall of the steel pipe main body, is tied between first position-limit mechanism, second position-limit mechanism
Structure is identical.
Specifically, first position-limit mechanism includes position-limiting tube, traveller, contact and spring, the position-limiting tube is vertically set
In the outer wall of the box body, the internal slide of the position-limiting tube connects the traveller, and the inner end of the traveller is hemispherical, institute
The outer end for stating traveller is equipped with the contact, and the contact is bonded with the inner wall of the steel pipe main body；The outer wall of the traveller is set
There is pressing plate, the lateral surface of the pressing plate is fixed with the spring, and the spring is embedded in the inside of the position-limiting tube.
Specifically, the bindiny mechanism includes connecting tube, screw rod and handle, one end of the connecting tube and the box body
It is connected with each other, the internal whorl of the connecting tube connects the screw rod, and the outer end of the screw rod is equipped with the handle, the spiral shell
One end of bar is hemispherical.
Specifically, the outer wall of the screw rod is bonded with the inner end of the traveller, the shift length of the traveller and the spiral shell
The section radius of bar is identical.
Specifically, the interior bottom portion of the cabinet be equipped with cutting agency, and the cutting agency include the first support plate, under
Flitch, the second support plate and retaining mechanism, first support plate, second support plate are vertically provided with the cabinet
Inside two sides, one end of the blanking plate is rotatablely connected first support plate, and torsional spring structure is equipped at rotation connection；Institute
The other end two sidewalls for stating blanking plate are symmetrically arranged with retaining mechanism, and the retaining mechanism is slidably connected with second support plate.
Specifically, the inside of second support plate from top to bottom successively opens interconnected locking slot, sliding slot, it is described
Locking slot is top rectangle, bottom pyramidal structure, and the bottom of the locking slot connects sliding slot.
Specifically, the retaining mechanism includes partition, latch segment, spring and box body, the width of the box body with it is described
Sliding slot it is of same size, two Slideslips of the box body are embedded with latch segment, and the inner wall of the latch segment is respectively connected with spring, institute
The end for stating spring is fixedly connected with the partition.
Beneficial effects of the present invention:
(1) a kind of metal works Nitrizing Treatment device of the present invention can have inside to steel pipe by supporting mechanism
It is supported, so that the outer wall of steel pipe is unobstructed, can sufficiently be contacted with ammonia, improve Nitrizing Treatment effect；
(2) a kind of metal works Nitrizing Treatment device of the present invention can be squeezed each traveller by rotating screw rod
Out, so that contact resists steel pipe, easy to operate, good fixing effect, and after completion of processing, screw rod need to only be produced, respectively
A traveller can be taken in steel pipe under the drive of spring, realize quick separating；
(3) a kind of metal works Nitrizing Treatment device of the present invention, extraneous ammonia can pass through gas transmission chamber, row
The surrounding for the steel pipe that gas head is uniformly distributed increases the covering surface of ammonia.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of structural schematic diagram of preferred embodiment of metal works Nitrizing Treatment device provided by the invention；
Fig. 2 is supporting mechanism shown in FIG. 1 and bindiny mechanism's attachment structure schematic diagram；
Fig. 3 is the first position-limit mechanism structural schematic diagram shown in Fig. 2；
Fig. 4 is cutting agency structural schematic diagram shown in Fig. 1；
Fig. 5 is locking mechanism structure schematic diagram shown in Fig. 4.
In figure: 1, cabinet, 11, gas transmission chamber, 12, exhaust pipe, 13, exhaust head, 14, air inlet pipe, 2, steel pipe main body, 3, branch
Support mechanism, 31, box body, the 32, first position-limit mechanism, 321, position-limiting tube, 322, traveller, 3221, pressing plate, 323, contact, 324, bullet
Spring, the 33, second position-limit mechanism, 4, sealing mechanism, 41, outer baffle, 42, sealing-plug, 43, handle, 5, bindiny mechanism, 51, connection
Pipe, 52, screw rod, 53, handle, 6, heating furnace, 7, cutting agency, the 71, first support plate, 72, blanking plate, the 73, second support plate,
731, locking slot, 732, sliding slot, 74, retaining mechanism, 741, partition, 742, latch segment, 743, spring, 744, box body.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As Figure 1-Figure 5, a kind of metal works Nitrizing Treatment device of the present invention, including cabinet 1, steel pipe main body
2, supporting mechanism 3, sealing mechanism 4, bindiny mechanism 5 and heating furnace 6；The bottom of the cabinet 1 is equipped with the heating furnace 6, institute
Heating furnace 6 is stated to heat the cabinet 1；The inside of the cabinet 1 is placed with the steel pipe main body 2, the steel pipe main body 2
It is internally embedded the supporting mechanism 3, the supporting mechanism 3 contradicts the steel pipe main body 2 to support；The supporting mechanism 3
Side wall the sealing mechanism 4 is connected by the bindiny mechanism 5, the sealing mechanism 4 is to block opening for the cabinet 1
Mouthful；Position of the bindiny mechanism 5 to adjust the supporting mechanism 3.
Specifically, being provided with gas transmission chamber in the shell of the cabinet 1 as shown in Figure 1, the structure open at one end of the cabinet 1
11, the top surface of the cabinet 1 is equipped with air inlet pipe 14 and exhaust pipe 12, the air inlet pipe 14, the exhaust pipe 12 and the gas transmission
Chamber 11 is interconnected, and exhaust head 13 is distributed in the inner wall of the cabinet 1, and the exhaust head 13 and the gas transmission chamber 11 are mutual
Connection, 13 circular array of the exhaust head distribution, the length phase of 13 distribution length of exhaust head and the steel pipe main body 2
Together；The inlet and outlet that can be realized ammonia by air inlet pipe 14, exhaust pipe 12 can realize gas by each exhaust head 13
It is distributed.
Specifically, as shown in Fig. 2, the supporting mechanism 3 includes box body 31, the first position-limit mechanism 32 and the second position restrainer
Structure 33, the two sidewalls of the box body 31 are symmetrically distributed with first position-limit mechanism 32 and second position-limit mechanism 33, described
First position-limit mechanism 32, second position-limit mechanism 33 end be bonded with the inner wall of the steel pipe main body 2, it is described first limit
Structure is identical between mechanism 32, second position-limit mechanism 33；Steel pipe can be supported from inside by supporting mechanism 3,
To avoid tube wall from blocking.
Specifically, as shown in figure 3, first position-limit mechanism 32 include position-limiting tube 321, traveller 322, contact 323 and
Spring 324, the position-limiting tube 321 are vertical at the outer wall of the box body 31, described in the internal slide connection of the position-limiting tube 321
Traveller 322, the inner end of the traveller 322 be it is hemispherical, the outer end of the traveller 322 is equipped with the contact 323, the touching
First 323 are bonded with the inner wall of the steel pipe main body 2；The outer wall of the traveller 322 is equipped with pressing plate 3221, the pressing plate 3221 it is outer
Side is fixed with the spring 324, and the spring 324 is embedded in the inside of the position-limiting tube 321；Position-limit mechanism can stretch fortune
It is dynamic, to shrink when not in use.
Specifically, as shown in Fig. 2, the bindiny mechanism 5 includes connecting tube 51, screw rod 52 and handle 53, the connection
One end of pipe 51 and the box body 31 are connected with each other, and the internal whorl of the connecting tube 51 connects the screw rod 52, the screw rod
52 outer end is equipped with the handle 53, and one end of the screw rod 52 is hemispherical；The outer wall and the traveller of the screw rod 52
322 inner end fitting, the shift length of the traveller 322 are identical as the section radius of the screw rod 52；Pass through 5 energy of bindiny mechanism
Enough adjustings realized for 32 folding and unfolding of position-limit mechanism.
Specifically, as shown in Figure 4 and Figure 5, the interior bottom portion of the cabinet 1 is equipped with cutting agency 7, and the cutting agency
7 include the first support plate 71, blanking plate 72, the second support plate 73 and retaining mechanism 74, first support plate 71, described the
Two support plates 73 are vertically provided with the inside two sides of the cabinet 1, one end rotation connection described first of the blanking plate 72
Support plate 71, and torsional spring structure is equipped at rotation connection；The other end two sidewalls of the blanking plate 72 are symmetrically arranged with retaining mechanism
74, the retaining mechanism 74 is slidably connected with second support plate 73；The inside of second support plate 73 from top to bottom according to
Secondary to be provided with interconnected locking slot 731, sliding slot 732, the locking slot 731 is top rectangle, bottom pyramidal structure, described
The bottom of locking slot 731 connects sliding slot 732；The retaining mechanism 74 includes partition 741, latch segment 742, spring 743 and box
Body 744, the width of the box body 744 is of same size with the sliding slot 732, and two Slideslips of the box body 744 are embedded with lock
Tight block 742, the inner wall of the latch segment 742 are respectively connected with spring 743, and the end of the spring 743 is fixedly connected with the partition
741；When needing blanking, under the effect of gravity, steel pipe main body 2 is fallen downwards, and pushes blanking plate 72, one end of blanking plate 72
With the first support plate 71 be rotatablely connected, the other end slide downward of blanking plate 72, retaining mechanism 74 along the first locking slot 731 to
It gliding, the bevel edge of the taper of locking slot 731 can squeeze latch segment 742, and it takes in it in box body 744, spring 743 can be squeezed,
Then into sliding slot 732, such tube body can be discharged along inclined blanking plate 72, after discharge under the drive of torsional spring under
Flitch 72 resets, and when box body 741 is moved to again at locking slot 731, spring 743 drives latch segment 742 to stretch out, with locking slot
Locking limit is realized in 731 cooperations.
There can be inside to be supported steel pipe by supporting mechanism 3, so that the outer wall of steel pipe is unobstructed, Neng Gouchong
Divide and contacted with ammonia, improves Nitrizing Treatment effect；Each traveller 322 can be squeezed out by rotating screw rod 52, so that touching
First 323 resist steel pipe, easy to operate, good fixing effect, and after completion of processing, screw rod 52 need to only be produced, each traveller 322
It can be taken in steel pipe under the drive of spring 324, realize quick separating；Extraneous ammonia can by gas transmission chamber 11,
The surrounding for the steel pipe that exhaust head 13 is uniformly distributed increases the covering surface of ammonia.Specifically have:
(1) first steel pipe to be processed is fixed, supporting mechanism 3 is extend into the middle part of steel pipe main body 2, is then held
Handle 53 drives screw rod 52 to rotate, so that the constantly precession into connecting tube 51, box body 31 of screw rod 52, when the end of screw rod 52 is worn
It crosses after connecting tube 51 enters in box body 31, traveller 322 can be squeezed to two sides, traveller 322 move out and compressed spring 324,
And it is bonded with moving contact 323 with the inner wall of steel pipe main body 2, to realize the conflict for steel pipe；It is continuous with screw rod 52
The traveller 322 of precession, each position is squeezed out outward, to realize the stabilization support limit for steel pipe；
(2) after to be fixed to steel pipe, steel pipe is placed in cabinet 1, then lid closes outer baffle 41, so that sealing-plug
42 are embedded into the opening of cabinet 1, to block to cabinet 1, then start heating furnace 6, by heating furnace 6 to cabinet 1
It is heated, external ammonia is entered in gas transmission chamber 11 by air inlet pipe 14, is then dispersed to case by each exhaust head 13
In body 1, so that ammonia covers each position of steel pipe, under the action of high temperature, nitriding reaction is completed；
(3) after completion of processing, 1 internal waste gas of cabinet is discharged by exhaust pipe 12, then takes out outer baffle 41, and then take out
Steel pipe inverts screw rod 52, under the drive of spring 324 in each income to position-limiting tube 321 of traveller 322, so that steel pipe and support
Organizational separation.
The present invention can have inside to be supported steel pipe by supporting mechanism 3, so that the outer wall of steel pipe is unobstructed,
It can sufficiently be contacted with ammonia, improve Nitrizing Treatment effect；Each traveller 322 can be squeezed out by rotating screw rod 52, thus
So that contact 323 resists steel pipe, easy to operate, good fixing effect, and after completion of processing, screw rod 52 need to only be produced, it is each
Traveller 322 can be taken in steel pipe under the drive of spring 324, realize quick separating；Extraneous ammonia can pass through gas transmission
The surrounding for the steel pipe that chamber 11, exhaust head 13 are uniformly distributed, increases the covering surface of ammonia.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above embodiment and specification only illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (10)
1. a kind of metal works Nitrizing Treatment device, it is characterised in that: including cabinet (1), steel pipe main body (2), supporting mechanism
(3), sealing mechanism (4), bindiny mechanism (5) and heating furnace (6)；The bottom of the cabinet (1) is equipped with the heating furnace (6),
The heating furnace (6) is to heat the cabinet (1)；The inside of the cabinet (1) is placed with the steel pipe main body (2), described
Steel pipe main body (2) has been internally embedded the supporting mechanism (3), and the supporting mechanism (3) contradicts the steel pipe master to support
Body (2)；The side wall of the supporting mechanism (3) connects the sealing mechanism (4), the sealer by the bindiny mechanism (5)
Opening of the structure (4) to block the cabinet (1)；Position of the bindiny mechanism (5) to adjust the supporting mechanism (3)
It sets.
2. a kind of metal works Nitrizing Treatment device according to claim 1, it is characterised in that: described cabinet (1) one end
Hatch frame is provided with gas transmission chamber (11) in the shell of the cabinet (1), and the top surface of the cabinet (1) is equipped with air inlet pipe (14)
With exhaust pipe (15), the air inlet pipe (14), the exhaust pipe (15) and the gas transmission chamber (11) are interconnected, the cabinet
(1) inner wall is distributed with exhaust head (13), and the exhaust head (13) and the gas transmission chamber (11) are interconnected.
3. a kind of metal works Nitrizing Treatment device according to claim 2, it is characterised in that: the exhaust head (13) is in
Annular array distribution, exhaust head (13) distribution length are identical as the length of the steel pipe main body (2).
4. a kind of metal works Nitrizing Treatment device according to claim 1, it is characterised in that: the supporting mechanism (3)
Including box body (31), the first position-limit mechanism (32) and the second position-limit mechanism (33), the two sidewalls of the box body (31) are symmetrically divided
It is furnished with first position-limit mechanism (32) and second position-limit mechanism (33), first position-limit mechanism (32), described second
The end of position-limit mechanism (33) is bonded with the inner wall of the steel pipe main body (2), first position-limit mechanism (32), second limit
Structure is identical between position mechanism (33).
5. a kind of metal works Nitrizing Treatment device according to claim 4, it is characterised in that: first position-limit mechanism
It (32) include position-limiting tube (321), traveller (322), contact (323) and spring (324), the position-limiting tube (321) is vertical at
The internal slide of the outer wall of the box body (31), the position-limiting tube (321) connects the traveller (322), the traveller (322)
Inner end be it is hemispherical, the outer end of the traveller (322) is equipped with the contact (323), the contact (323) and the steel pipe
The inner wall of main body (2) is bonded；The outer wall of the traveller (322) is equipped with pressing plate (3221), and the lateral surface of the pressing plate (3221) is solid
Surely have the spring (324), the spring (324) is embedded in the inside of the position-limiting tube (321).
6. a kind of metal works Nitrizing Treatment device according to claim 5, it is characterised in that: the bindiny mechanism (5)
Including connecting tube (51), screw rod (52) and handle (53), one end and the box body (31) of the connecting tube (51) are mutually interconnected
It connects, the internal whorl of the connecting tube (51) connects the screw rod (52), and the outer end of the screw rod (52) is equipped with the handle
(53), one end of the screw rod (52) is hemispherical.
7. a kind of metal works Nitrizing Treatment device according to claim 6, it is characterised in that: outside the screw rod (52)
Wall is bonded with the inner end of the traveller (322), the section radius phase of the shift length and the screw rod (52) of the traveller (322)
Together.
8. a kind of metal works Nitrizing Treatment device according to claim 2, it is characterised in that: the cabinet (1) it is interior
Portion bottom is equipped with cutting agency (7), and the cutting agency (7) includes the first support plate (71), blanking plate (72), the second support
Plate (73) and retaining mechanism (74), first support plate (71), second support plate (73) are vertically provided with described
One end of the inside two sides of cabinet (1), the blanking plate (72) is rotatablely connected first support plate (71), and at rotation connection
Equipped with torsional spring structure；The other end two sidewalls of the blanking plate (72) are symmetrically arranged with retaining mechanism (74), the retaining mechanism
(74) it is slidably connected with second support plate (73).
9. a kind of metal works Nitrizing Treatment device according to claim 8, it is characterised in that: second support plate
(73) inside from top to bottom successively opens interconnected locking slot (731), sliding slot (732), first locking slot (731)
Bottom for top rectangle, bottom pyramidal structure, the locking slot (731) connects sliding slot (732).
10. a kind of metal works Nitrizing Treatment device according to claim 9, it is characterised in that: the retaining mechanism
It (74) include partition (741), latch segment (742), spring (743) and box body (744), the width of the box body (744) and institute
The of same size of sliding slot (732) is stated, two Slideslips of the box body (744) are embedded with latch segment (742), the latch segment
(742) inner wall is respectively connected with spring (743), and the end of the spring (743) is fixedly connected with the partition (741).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910061039.7A CN109576636B (en) | 2019-01-23 | 2019-01-23 | Metal workpiece nitriding treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910061039.7A CN109576636B (en) | 2019-01-23 | 2019-01-23 | Metal workpiece nitriding treatment device |
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| Publication Number | Publication Date |
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| CN109576636A true CN109576636A (en) | 2019-04-05 |
| CN109576636B CN109576636B (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910061039.7A Expired - Fee Related CN109576636B (en) | 2019-01-23 | 2019-01-23 | Metal workpiece nitriding treatment device |
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| CN110000504A (en) * | 2019-05-15 | 2019-07-12 | 贵州大学 | A kind of welding platform with adjustable apparatus |
| CN110029303A (en) * | 2019-05-21 | 2019-07-19 | 南京林业大学 | A kind of Nitrizing Treatment device of automobile metal material |
| CN114849582A (en) * | 2022-05-23 | 2022-08-05 | 莱芜钢铁集团泰东实业有限公司 | Waste water desulfurization device for production of rotary kiln factory |
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| CN109576636B (en) | 2020-12-01 |
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