CN202509108U - Push rod type bright annealing furnace - Google Patents
Push rod type bright annealing furnace Download PDFInfo
- Publication number
- CN202509108U CN202509108U CN2012201649097U CN201220164909U CN202509108U CN 202509108 U CN202509108 U CN 202509108U CN 2012201649097 U CN2012201649097 U CN 2012201649097U CN 201220164909 U CN201220164909 U CN 201220164909U CN 202509108 U CN202509108 U CN 202509108U
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- China
- Prior art keywords
- bright annealing
- push rod
- annealing oven
- charging
- annealing furnace
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- Expired - Fee Related
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Abstract
The utility model discloses a push rod type bright annealing furnace. The push rod type bright annealing furnace comprises a vacuum air lock chamber and a bright annealing furnace, wherein the charging hole of the bright annealing furnace is provided with a charging pull rod, a charging soft push rod, a charging push rod and a main push rod device; the discharging hole of the bright annealing furnace is provided with a discharging soft push rod, a discharging push rod, a discharging pull rod, an unloading lifting table, a loading and unloading roller and a loading lifting table; the bright annealing furnace is a two-stage type, wherein the first-stage annealing furnace comprises a heating area and a thermal insulation area; the second-stage annealing furnace comprises a cooling area and a thermal insulation area. The push rod type bright annealing furnace provided by the utility model has a simple structure, is convenient to operate, capable of reducing various defects in a thermal treatment process, effectively improving the product quality and improving the production efficiency.
Description
Technical field
The utility model relates to a kind of thermal treatment low-temperaturetempering stove, specifically, relates to a kind of push-down bright annealing oven.
Background technology
Low-temperaturetempering is claimed " stress relief tempering " again.Tempering range is 150-250 degree centigrade, is organized as tempered martensite after the tempering.Steel has high firmness and high-wearing feature, but internal stress and fragility reduce.Low-temperaturetempering is mainly used in the tool mould and the rolling bearing of high carbon steel and high-carbon alloy steel manufacturing, and through carburizing and hard-faced part, the hardness after the tempering is generally 58-64HRC.
Clean annealing is that metallic substance or workpiece are annealed in protective atmosphere or vacuum, in case oxidation, the annealing process of maintenance surface-brightening, being commonly called as Bright Annealing mainly is slowly to lower the temperature at enclosed space in enclosed space heating anneal relief temperature; If workpiece temperature just can cause the decarburization situation at the following naturally cooling of 500 degree, influence the quality of product.
Existing clean annealing furnace structure is reasonable inadequately, and charging, discharging be inconvenience very, and production efficiency is low; The sealing of vacuum lock air chamber is poor, and the difficult quality guarantee of product can not satisfy requirements of large-scale production.
The utility model content
To above-mentioned deficiency of the prior art, it is a kind of simple in structure that the utility model provides, and reduces the various defectives that occur in the heat treatment process, effectively improves the quality of products the push-down bright annealing oven of enhancing productivity.
The technical scheme that the utility model is taked is:
A kind of push-down bright annealing oven comprises: the opening for feed of vacuum lock air chamber, bright annealing oven, said bright annealing oven is provided with charging pull bar, the soft push rod of charging, charging push rod, primary push rod device; The discharge port of said bright annealing oven is provided with the soft push rod of discharging, kick-off arm, discharging pull bar, discharging lifting table, loading and unloading material raceway, charging lifting table.
Said bright annealing oven is two sections; First section lehre comprises heating zone and heat preservation zone; Second section lehre comprises cooling area and heat preservation zone.
Said bright annealing oven comprises: temperature controlling system, sequence control system, industrial computer system, intake and exhaust system.
Said clean annealing furnace body comprises: electrothermal radiation tube, forced air cooled tube and blower fan apparatus, charging tray stop means, fan, interior fire door, double-layer seal door, mechanical seal door, primary push rod device, the soft push rod of discharging.
Said bright annealing oven adopts clean annealing technology, and protective atmosphere is a nitrogen, and purity is 99.99%; Said vacuum lock air chamber vacuumizes and the inflated with nitrogen device.
The beneficial effect of the relative prior art of the utility model:
The utility model push-down bright annealing oven, simple in structure, easy to operate, can reduce the various defectives that occur in the heat treatment process, effectively improve the quality of products, enhance productivity.
Description of drawings
Fig. 1 is the utility model push-down bright annealing oven top plan view structural representation;
Major parts nomenclature in the accompanying drawing:
Among the figure:
1, fire door 2, first feed chamber in the charging
3, second feed chamber 4, cup pushing device
5, preceding charging push rod 6, the soft push rod of charging
7, the first primary push rod device 8, first access door
9, first section lehre heating zone 10, first section lehre heat preservation zone
11, the soft push rod of first discharging 12, second access door
13, the first charging tray stopper 14, the 3rd access door
15, the second charging tray stopper 16, second section lehre cooling area
17, second section lehre heat preservation zone 18, the soft push rod of second discharging
19, the 4th access door 20, the 3rd charging tray stopper
21, stove 22, chamber, back pushing device in the discharging
23, the 3rd charging tray stopper 24, first discharge chamber
25, second discharge chamber 26, charging push rod
27, discharging lifting table 28, loading and unloading material raceway
29, charging lifting table 30, discharging pull bar
31, the second primary push rod device
Embodiment
Followingly the utility model is carried out detailed explanation with reference to accompanying drawing and embodiment:
Accompanying drawing 1 can know that a kind of push-down bright annealing oven comprises: the opening for feed of vacuum lock air chamber, bright annealing oven, said bright annealing oven is provided with the soft push rod of charging pull bar 26, charging 6, charging push rod 5, primary push rod device; The discharge port of said bright annealing oven is provided with the soft push rod of discharging 18, kick-off arm, discharging pull bar 30, discharging lifting table 27, loading and unloading material raceway 28, charging lifting table 29; Said bright annealing oven is two sections; First section lehre comprises heating zone 9 and heat preservation zone 10; Second section lehre comprises cooling area 16 and heat preservation zone 17; Said bright annealing oven comprises: temperature controlling system, sequence control system, industrial computer system, intake and exhaust system; Said clean annealing furnace body comprises: electrothermal radiation tube, forced air cooled tube and blower fan apparatus, charging tray stop means, fan, interior fire door, double-layer seal door, mechanical seal door, primary push rod device, the soft push rod of discharging; Said bright annealing oven adopts clean annealing technology, and protective atmosphere is a nitrogen, and purity is 99.99%; Said vacuum lock air chamber vacuumizes and the inflated with nitrogen device.
The utility model push-down bright annealing oven, simple in structure, easy to operate, can reduce the various defectives that occur in the heat treatment process, effectively improve the quality of products, enhance productivity.
The utility model push-down bright annealing oven vacuum lock air chamber, the static test data:
The minimum vacuum pressure 5000Pa (0Pa perfect vacuum) that is extracted into, the time spent≤15mi n, voltage rise rate≤500Pa/h;
Can bear malleation 20Kpa (2000mmH
2O) do not reveal pressure drop rate≤1000Pa/h;
The vacuum lock air chamber is provided with nitrogen inlet, vaccum exhaust outlet, pressure taps, experiment mouth, safety mouth.
The utility model push-down bright annealing oven static test data:
The relevant weld seam of body of heater adopts welding by both sides, and kerosene leaks hunting, and all will have heat-resistant adhesive sealing and effectively dynamic seal measure to outer connecting port body of heater, guarantees not have and leaks.
Can bear malleation 3Kpa (300mmH
2O) do not reveal pressure drop rate≤1500Pa/h; Keeping furnace pressure is 40mmH
2During O, input tolerance≤4m
3/ h.
Claims (5)
1. push-down bright annealing oven comprises: vacuum lock air chamber, bright annealing oven, it is characterized in that: the opening for feed of said bright annealing oven is provided with charging pull bar, the soft push rod of charging, charging push rod, primary push rod device; The discharge port of said bright annealing oven is provided with the soft push rod of discharging, kick-off arm, discharging pull bar, discharging lifting table, loading and unloading material raceway, charging lifting table.
2. according to the said push-down bright annealing oven of claim 1, it is characterized in that: said bright annealing oven is two sections; First section lehre comprises heating zone and heat preservation zone; Second section lehre comprises cooling area and heat preservation zone.
3. according to the said push-down bright annealing oven of claim 1, it is characterized in that: said bright annealing oven comprises: temperature controlling system, sequence control system, industrial computer system, intake and exhaust system.
4. according to the said push-down bright annealing oven of claim 1; It is characterized in that: said clean annealing furnace body comprises: electrothermal radiation tube, forced air cooled tube and blower fan apparatus, charging tray stop means, fan, interior fire door, double-layer seal door, mechanical seal door, primary push rod device, the soft push rod of discharging.
5. according to the said push-down bright annealing oven of claim 1, it is characterized in that: said bright annealing oven adopts clean annealing technology, and protective atmosphere is a nitrogen, and purity is 99.99%; Said vacuum lock air chamber vacuumizes and the inflated with nitrogen device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201649097U CN202509108U (en) | 2012-04-18 | 2012-04-18 | Push rod type bright annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201649097U CN202509108U (en) | 2012-04-18 | 2012-04-18 | Push rod type bright annealing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202509108U true CN202509108U (en) | 2012-10-31 |
Family
ID=47061606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201649097U Expired - Fee Related CN202509108U (en) | 2012-04-18 | 2012-04-18 | Push rod type bright annealing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202509108U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103757192A (en) * | 2014-02-24 | 2014-04-30 | 南京长江工业炉科技有限公司 | Residual heat utilizing pusher furnace |
| CN106048160A (en) * | 2016-08-03 | 2016-10-26 | 天龙科技炉业(无锡)有限公司 | Push-plate-type salt-bath quenching automatic production line |
-
2012
- 2012-04-18 CN CN2012201649097U patent/CN202509108U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103757192A (en) * | 2014-02-24 | 2014-04-30 | 南京长江工业炉科技有限公司 | Residual heat utilizing pusher furnace |
| CN106048160A (en) * | 2016-08-03 | 2016-10-26 | 天龙科技炉业(无锡)有限公司 | Push-plate-type salt-bath quenching automatic production line |
| CN106048160B (en) * | 2016-08-03 | 2017-12-05 | 天龙科技炉业(无锡)有限公司 | Pusher-tray type salt bath quenching automatic assembly line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20150418 |
|
| EXPY | Termination of patent right or utility model |