CN209836254U - Anaerobic annealing furnace for bearing processing - Google Patents
Anaerobic annealing furnace for bearing processing Download PDFInfo
- Publication number
- CN209836254U CN209836254U CN201920624132.XU CN201920624132U CN209836254U CN 209836254 U CN209836254 U CN 209836254U CN 201920624132 U CN201920624132 U CN 201920624132U CN 209836254 U CN209836254 U CN 209836254U
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- Prior art keywords
- annealing furnace
- connecting rod
- bearing processing
- annealing
- furnace body
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- 238000000137 annealing Methods 0.000 title claims abstract description 78
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 238000001816 cooling Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses an anaerobic annealing furnace is used in bearing processing, including annealing stove body upper end is equipped with nitrogen gas inlet pipeline, this internal bearing plate that is equipped with of annealing stove, annealing stove body lower extreme is equipped with the through-hole, is equipped with the end cap in the through-hole, through-hole and end cap one-to-one, end cap and through-hole cooperation, annealing stove body lower extreme are equipped with the pivot, rotate between pivot and the annealing stove body and be connected, the end cap lower extreme is connected with the pivot, annealing stove body right side is equipped with drive pivot pivoted actuating mechanism. In the annealing process, the air in the annealing furnace can be completely exhausted, and the annealing effect is ensured.
Description
Technical Field
The utility model belongs to the technical field of annealing stove technique and specifically relates to an anaerobic annealing stove is used in bearing processing.
Background
An annealing furnace is a metal heat treatment process in which a metal part is placed in different annealing furnaces, slowly heated to a certain temperature, kept warm for a certain period of time, and then cooled at a proper speed (usually natural cooling, sometimes controlled cooling). The purpose is to soften a material or a workpiece which is subjected to casting, forging, rolling, welding or cutting, reduce hardness, improve plasticity and toughness, homogenize chemical components, remove residual stress, or obtain desired physical properties.
The oxygen-free annealing furnace is a process for sintering element materials in a hearth filled with certain gas. The existing oxygen-free annealing furnace has air, and after nitrogen is filled, the air cannot be discharged in time, so that the plasticity and toughness of the annealed bearing piece cannot meet the requirements, and the annealing effect is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve above-mentioned problem, provide an anaerobic annealing stove is used in bearing processing, in annealing process, can guarantee annealing effect with the air complete discharge in the annealing stove.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides an anaerobic annealing furnace for bearing processing, including annealing stove body rear end is equipped with nitrogen gas inlet pipeline, annealing this internal conveyer belt that is equipped with of stove, and two-layer about the conveyer belt is equipped with, annealing stove body rear end is equipped with the elevating platform, annealing stove body side front end is equipped with the through-hole, is equipped with the end cap in the through-hole, and end cap and the sealed cooperation of through-hole, annealing stove body side are equipped with the pivot, rotate between pivot and the annealing stove body to be connected, the end cap upper end is connected with the pivot, annealing stove body right side is equipped with.
Furthermore, a sealing sleeve is arranged at the upper end of the plug.
Furthermore, one end of the outer side of the plug is provided with a first connecting rod, and the first connecting rod is connected with the rotating shaft.
Further, actuating mechanism includes footboard, track and slider, and rail mounting is in annealing stove body side, and the footboard is connected with the slider, and the slider slides in the track, and the track upper end is equipped with the rack, and the pivot right-hand member is equipped with the gear, gear and rack cooperation.
Further, the footboard is installed on the support frame, and the footboard front end is equipped with the sleeve, rotates between sleeve and the support frame to be connected, is equipped with compression spring between footboard and the support frame, and compression spring upper end is connected with the footboard, and the compression spring lower extreme is connected with the support frame.
Furthermore, a second connecting rod is arranged on the sleeve, a third connecting rod is arranged between the second connecting rod and the sliding block, one end of the outer side of the second connecting rod is fixedly connected with the sleeve, the lower end of the third connecting rod is hinged with one end of the inner side of the second connecting rod, and the upper end of the third connecting rod is hinged with the sliding block.
Furthermore, the sliding block is a square steel pipe, a fixed shaft is arranged at the rear end of an inner cavity of the sliding block, and the front end of the third connecting rod is rotatably connected with the fixed shaft.
Furthermore, the two ends of the sliding block are provided with rollers, and the rollers roll in the tracks.
The utility model has the advantages that:
1. the utility model discloses well annealing stove body side front end is equipped with the through-hole, is equipped with the end cap in the through-hole, end cap and through-hole cooperation, and annealing stove body lower extreme is equipped with the pivot, the end cap lower extreme is connected with the pivot, annealing stove body right side is equipped with drive pivot pivoted actuating mechanism, and in the annealing process, place the bearing sleeve on the conveyer belt, let in nitrogen gas through nitrogen gas inlet pipeline, anneal, rotate through actuating mechanism drive pivot here simultaneously, the end cap separates with the through-hole, and the through-hole is opened, with the air escape in the annealing stove, guarantees moulding and toughness after the work piece annealing, and the practicality is good.
2. The utility model discloses well end cap upper end is equipped with the seal cover, and the seal cover can guarantee that the through-hole is sealed, and among the annealing process, this internal air escape of annealing stove later seals the through-hole, prevents to get into from the through-hole at the air, influences annealing effect, and the practicality is good.
3. The utility model discloses well slider both ends are equipped with the gyro wheel, and the gyro wheel slides in the track, and the gyro wheel can reduce the frictional force between slider and the track.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the driving mechanism of the present invention;
fig. 3 is a right side view of the driving mechanism of the present invention;
FIG. 4 is a cross-sectional view of the fitting portion between the plug and the through hole of the present invention;
fig. 5 is a top view of the driving mechanism of the present invention.
In the figure: the annealing furnace comprises an annealing furnace body 1, a nitrogen inlet pipeline 2, a conveying belt 3, a through hole 4, a plug 5, a rotating shaft 6, a sealing sleeve 7, a first connecting rod 8, a pedal 9, a track 10, a sliding block 11, a rack 12, a gear 13, a supporting frame 14, a sleeve 15, a compression spring 16, a second connecting rod 17, a third connecting rod 18, a fixed shaft 19 and a roller 20.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
For convenience of description, a coordinate system is now defined as shown in fig. 1.
As shown in figures 1, 2 and 4, an anaerobic annealing furnace for bearing processing comprises an annealing furnace body 1, a nitrogen inlet pipeline is arranged at the rear end of the annealing furnace body 1, a conveying belt 3 is arranged in the annealing furnace body 1, the conveying belt 3 is provided with an upper layer and a lower layer, a lifting platform 2 is arranged at the rear end of the annealing furnace body 1, a lifting platform maintenance space is arranged at the rear end of the lifting platform 2, the anaerobic annealing furnace is the prior art and is not described herein, through holes 4 are arranged at the front end of the side surface of the annealing furnace body 1, a plurality of rows of through holes 4 are uniformly arranged, the number and the positions of the through holes 4 are only indicated in the figure, the number and the positions of the through holes are not limited, plugs 5 are arranged in the through holes 4, the through holes 4 correspond to the plugs 5 one by one, the plugs 5 are in sealed fit with the through holes 4, a rotating shaft 6, the upper end of the plug 5 is connected with the rotating shaft 6, a plurality of plugs are arranged on each rotating shaft 6, the number and the intervals of the plugs are adjusted according to the number and the intervals of the through holes, a driving mechanism for driving the rotating shaft 6 to rotate is arranged on the side face of the annealing furnace body 1, a bearing sleeve is placed on the conveying belt 3 in the annealing process, nitrogen is introduced through the nitrogen inlet pipeline 2 to anneal, the rotating shaft 6 is driven to rotate through the driving mechanism at the same time, the plug 5 is separated from the through hole 4, the through hole 4 is opened, air in the annealing furnace is discharged, only protective gas such as nitrogen exists in the annealing furnace, the shaping and the toughness of the annealed workpiece are guaranteed, and the practicability is.
As shown in fig. 4, the sealing sleeve 7 is arranged at the upper end of the plug 5, the through hole 4 and the plug 5 are both conical, the sealing sleeve 7 can ensure that the through hole 4 is sealed, air in the annealing furnace body 1 is discharged in the annealing process, then the through hole 4 is sealed, the air is prevented from entering from the through hole 4, the annealing effect is not affected, and the practicability is good.
As shown in fig. 2, a first connecting rod 8 is arranged at one end of the outer side of the plug 5, where the one end of the outer side is the end of the plug 5 away from the annealing furnace shell, the first connecting rod 8 is connected with the rotating shaft 6, and the plug 5 is separated from the through hole 4 by the first connecting rod 8 in the rotating process of the rotating shaft 6.
As shown in fig. 2 and 3, the driving mechanism comprises a pedal 9, a track 10 and a slide block 11, the track 10 is installed on the side surface of the annealing furnace body 1, the pedal 9 is connected with the slide block 11, the slide block 11 slides in the track 10, a rack 12 is arranged at the upper end of the track 10, a gear 13 is arranged at the right end of the rotating shaft 6, and the gear 13 is matched with the rack 12.
As shown in fig. 2 and 3, the pedal 9 is mounted on a support frame 14, the support frame 14 is fixed on the ground, a sleeve 15 is arranged at the front end of the pedal 9, the sleeve 15 is rotatably connected with the support frame 14, a fixed shaft is arranged in the support frame 14, the sleeve 15 is sleeved on the fixed shaft, a compression spring 16 is arranged between the pedal 9 and the support frame 14, the upper end of the compression spring 16 is connected with the pedal 9, and the lower end of the compression spring 16 is connected with the support frame 14.
As shown in fig. 3 and 5, a second connecting rod 17 is arranged on the sleeve 15, a third connecting rod 18 is arranged between the second connecting rod 17 and the sliding block 11, one end of the outer side of the second connecting rod 17 is fixedly connected with the sleeve 15, the lower end of the third connecting rod 18 is hinged with one end of the inner side of the second connecting rod 17, and the upper end of the third connecting rod 18 is hinged with the sliding block 11. The sliding block 11 is a square steel pipe, a fixed shaft 19 is arranged at the rear end of an inner cavity of the sliding block 11, and the front end of the third connecting rod 18 is rotatably connected with the fixed shaft 19. The two ends of the sliding block 11 are provided with the rollers 20, the rollers 20 roll in the track 10, and the rollers 20 can reduce the friction force between the sliding block 11 and the track 10.
When air in the annealing furnace needs to be exhausted, a worker pedals the pedal 9, the pedal 9 overcomes the elastic force of the compression spring 16 to rotate downwards, the slide block 11 moves upwards along the track 10 under the action of the second connecting rod 17 and the third connecting rod 18, the plug 5 is separated from the through hole 4 under the action of the gear 13 and the rack 12, the air is exhausted from the through hole 4, the pedal 9 is loosened after the air is exhausted, the pedal 9 rotates upwards under the action of the compression spring 16, the slide block 11 moves downwards along the track 10 under the action of the second connecting rod 17 and the third connecting rod 18, the plug 5 plugs the through hole 4 again, the sealing of the annealing furnace body 1 is guaranteed, the air is prevented from entering from the through hole 4, and the reliability is good. The front end of the annealing furnace body 1 is provided with a support, the support is provided with a hoisting mechanism, and the hoisting mechanism can hoist the upper layer and the lower layer of conveying belt in the support simultaneously.
In the description of the present invention, it should be noted that the terms "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be mechanically or electrically connected, directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (8)
1. The utility model provides an anaerobic annealing furnace for bearing processing, includes annealing furnace body (1) rear end is equipped with nitrogen gas inlet pipe, is equipped with conveyer belt (3) in annealing furnace body (1), and two-layer about conveyer belt (3) are equipped with, and annealing furnace body (1) rear end is equipped with elevating platform (2), its characterized in that, annealing furnace body (1) side front end is equipped with through-hole (4), is equipped with end cap (5) in through-hole (4), and end cap (5) and through-hole (4) sealed cooperation are equipped with pivot (6) to annealing furnace body (1) side, rotate between pivot (6) and the annealing furnace body (1) and be connected, end cap (5) upper end is connected with pivot (6), annealing furnace body (1) side is equipped with drive pivot (6) pivoted actuating mechanism.
2. The oxygen-free annealing furnace for bearing processing as claimed in claim 1, characterized in that the sealing sleeve (7) is arranged on the plug (5).
3. The oxygen-free annealing furnace for bearing processing as claimed in claim 1, wherein a first connecting rod (8) is provided at one end of the outer side of the choke plug (5), and the first connecting rod (8) is connected with the rotating shaft (6).
4. The oxygen-free annealing furnace for bearing processing as claimed in claim 1, wherein the driving mechanism comprises a pedal (9), a rail (10) and a slide block (11), the rail (10) is installed on the side surface of the annealing furnace body (1), the pedal (9) is connected with the slide block (11), the slide block (11) slides in the rail (10), a rack (12) is arranged at the upper end of the rail (10), a gear (13) is arranged at the right end of the rotating shaft (6), and the gear (13) is matched with the rack (12).
5. The oxygen-free annealing furnace for bearing processing as claimed in claim 4, wherein the pedal (9) is mounted on a support frame (14), the support frame (14) is fixed on the ground, a sleeve (15) is arranged at the front end of the pedal (9), the sleeve (15) is rotatably connected with the support frame (14), a compression spring (16) is arranged between the pedal (9) and the support frame (14), the upper end of the compression spring (16) is connected with the pedal (9), and the lower end of the compression spring (16) is connected with the support frame (14).
6. The oxygen-free annealing furnace for bearing processing as claimed in claim 5, wherein the sleeve (15) is provided with a second connecting rod (17), a third connecting rod (18) is arranged between the second connecting rod (17) and the slide block (11), one end of the outer side of the second connecting rod (17) is fixedly connected with the sleeve (15), the lower end of the third connecting rod (18) is hinged with one end of the inner side of the second connecting rod (17), and the upper end of the third connecting rod (18) is hinged with the slide block (11).
7. The oxygen-free annealing furnace for bearing processing as claimed in claim 6, wherein the sliding block (11) is a square steel pipe, a fixed shaft (19) is arranged at the rear end of the inner cavity of the sliding block (11), and the front end of the third connecting rod (18) is rotatably connected with the fixed shaft (19).
8. The oxygen-free annealing furnace for bearing processing according to claim 4, wherein rollers (20) are provided at both ends of the slider (11), and the rollers (20) roll in the rail (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920624132.XU CN209836254U (en) | 2019-04-30 | 2019-04-30 | Anaerobic annealing furnace for bearing processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920624132.XU CN209836254U (en) | 2019-04-30 | 2019-04-30 | Anaerobic annealing furnace for bearing processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209836254U true CN209836254U (en) | 2019-12-24 |
Family
ID=68915070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920624132.XU Active CN209836254U (en) | 2019-04-30 | 2019-04-30 | Anaerobic annealing furnace for bearing processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209836254U (en) |
-
2019
- 2019-04-30 CN CN201920624132.XU patent/CN209836254U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An oxygen free annealing furnace for bearing processing Effective date of registration: 20210914 Granted publication date: 20191224 Pledgee: Bank of China Limited Linqing sub branch Pledgor: LINQING TONGXING BEARING FORGING Co.,Ltd. Registration number: Y2021370000107 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231123 Granted publication date: 20191224 Pledgee: Bank of China Limited Linqing sub branch Pledgor: LINQING TONGXING BEARING FORGING Co.,Ltd. Registration number: Y2021370000107 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |