CN201212055Y - Feeding device for lifting carburizing furnace - Google Patents
Feeding device for lifting carburizing furnace Download PDFInfo
- Publication number
- CN201212055Y CN201212055Y CNU2008200753415U CN200820075341U CN201212055Y CN 201212055 Y CN201212055 Y CN 201212055Y CN U2008200753415 U CNU2008200753415 U CN U2008200753415U CN 200820075341 U CN200820075341 U CN 200820075341U CN 201212055 Y CN201212055 Y CN 201212055Y
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- Prior art keywords
- lifting table
- labyrinth type
- type sand
- sand seal
- sealing
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- Expired - Fee Related
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Abstract
The utility model discloses a feeding device of a carburizing furnace capable of lifting, which mainly comprises a support saddle, a lifting platform, an electric lift, a lifting platform guide rail, a mazy sand-sealing groove, a mazy sand-sealing knife and an electric pushrod. The utility model utilizes a sealing structure composed of the mazy sand-sealing groove and the mazy sand-sealing knife to fully exclude a feeding fore chamber and the interior of a cavity of the carburizing furnace from the exterior so as to have good sealing effect, and a sealing material has no aging problem. In addition, due to small carburizing atmosphere loss in the cavity of the carburizing furnace, the utility model has low operation cost and high work efficiency and has the advantages of simple structure, reasonable design, and the like.
Description
Technical field
The utility model relates to a kind of cementing furnace feeding unit, particularly relates to a kind of liftable cementing furnace feeding unit.
Background technology
Component such as commonly used gear, bearing, probing bar all need usually to utilize earlier and are heated 900～930 ℃ and carry out carburizing treatment in the carburizing atmosphere of cementing furnace in furnace chamber in the present mechanical industry, after after a while, carry out quench cooled, and then carry out temper, with surface hardness and the wear resistance that improves these component.Because carburizing atmosphere has high temperature and high flammable, still be that security standpoint is all extremely responsive to air therefore, so when carrying out carburizing treatment, cementing furnace must have good sealing property, to reduce entering of extraneous air from technological angle.A side of cementing furnace commonly used all is equipped with and is used for inside and outside space of furnace chamber adiabatic feeding gate spaced apart from each other at present, and the outside of adiabatic feeding gate is provided with the charging cup, is formed with opening on the bottom surface of charging cup, and the cup feeding gate is installed on the opening.But because above-mentioned cup feeding gate adopts the reprint door basically, so sealing effectiveness is poor, and sealing material is easily aging, therefore when opening the charging of reprint door, the extraneous air that enters in charging cup and the furnace chamber can be many, thereby the carburizing atmosphere loss is big.In addition, in case enter more extraneous air in the furnace chamber, returning to normal carburizing atmosphere will need the long time, so production efficiency is lower, and the energy consumption height.
External certain company has developed a kind of liftable cementing furnace feeding unit, though this device has good seal performance, carburizing atmosphere is excessive few, thereby it is little to the furnace atmosphere influence, so can reduce advantages such as the energy and raw material consumption, but the structure more complicated of its lifting table, and sealed structure separates with supporting structure.This device adopts compressing of metallic elastic material implementation structure, use the refractory fibre flexible materials to realize compressing sealing, the shortcoming of this sealing means is that the metallic elastic material is among compression and the recovery process for a long time, thereby damage easily, and be difficult to Installation and Debugging, and cost is higher, also has certain problem simultaneously the work-ing life of fiber flexible materials.
Summary of the invention
In order to address the above problem, the purpose of this utility model is to provide a kind of good seal performance, simple in structure, reasonable in design and liftable cementing furnace feeding unit that cost is low.
In order to achieve the above object, the liftable cementing furnace feeding unit that provides of the utility model mainly comprises bearing, lifting table, electric lift, lifting table guide rail, labyrinth type sand seal groove, labyrinth type sand seal cutter and electric pushrod; Described bearing is L-shaped, and its bottom surface fixes on the ground, is made of vertical component effect and horizontal part, and wherein vertical component effect is arranged on a side of charging cup, horizontal part then be positioned at the charging cup under; Lifting table is positioned at the top of horizontal part, and the one side is installed on the vertical component effect of bearing in mode moving up and down; Electric lift is installed in the outside of vertical component effect, and links to each other with lifting table, is used to drive lifting table and moves along the vertical direction; The lifting table guide rail is rectangular tabular, and level is installed in the surperficial middle part of lifting table; Labyrinth type sand seal groove is square shape, is formed with opening on the end face, is fixed on the external margin of lifting table guide rail, and inner is divided into adjacent interior water jacket by the dividing plate that is square shape, and the sealing quartz sand is equipped with in inside; Labyrinth type sand seal cutter is installed in the edge of opening position that forms on the charging cup bottom surface, is square shape, and the web plate one of outside upper end constitutes in being connected by the two interior outsides that be arranged in parallel along the vertical direction of circle and level; Electric pushrod then level is installed on the side relative with the adiabatic feeding gate of cementing furnace on the charging cup, and front end points to adiabatic feeding gate.
When lifting table rise to labyrinth type sand seal groove mounted thereto reach the labyrinth type sand seal cutter that is installed on the charging cup bottom surface height is set the time, in the sealing quartz sand in the interior outside on the described labyrinth type sand seal cutter is inserted in respectively and puts on labyrinth type sand seal groove in the water jacket.
The liftable cementing furnace feeding unit that the utility model provides is that the sealed structure that utilizes labyrinth type sand seal groove and labyrinth type sand seal cutter to constitute makes the inside cavity of charging cup and cementing furnace and outside isolated fully, thereby good sealing effect, and there is not problem of aging in sealing material.In addition, because the loss of the carburizing atmosphere of cementing furnace inside cavity is little, thereby running cost is low, simultaneously high efficiency.In addition, this device also has advantages such as simple in structure, reasonable in design.
Description of drawings
The liftable cementing furnace feeding unit forward structure synoptic diagram that Fig. 1 provides for the utility model.
The liftable cementing furnace feeding unit side direction structural representation that Fig. 2 provides for the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the liftable cementing furnace feeding unit that the utility model provides is elaborated.
As Fig. 1～shown in Figure 2, the liftable cementing furnace feeding unit that the utility model provides mainly comprises bearing 1, lifting table 2, electric lift 3, lifting table guide rail 4, labyrinth type sand seal groove 5, labyrinth type sand seal cutter 6 and electric pushrod 7; Described bearing 1 is L-shaped, and its bottom surface fixes on the ground, is made of vertical component effect and horizontal part, and wherein vertical component effect is arranged on a side of charging cup 8, horizontal part then be positioned at charging cup 8 under; Lifting table 2 is positioned at the top of horizontal part, and the one side is installed on the vertical component effect of bearing 1 in mode moving up and down; Electric lift 3 is installed in the outside of vertical component effect, and links to each other with lifting table 2, is used to drive lifting table 2 and moves along the vertical direction; Lifting table guide rail 4 is rectangular tabular, and level is installed in the surperficial middle part of lifting table 2; Labyrinth type sand seal groove 5 is square shape, is formed with opening on the end face, is fixed on the external margin of lifting table guide rail 4, and inner is divided into adjacent interior water jacket by the dividing plate that is square shape, and the sealing quartz sand is equipped with in inside; Labyrinth type sand seal cutter 6 is installed in the edge of opening position that forms on charging cup 8 bottom surfaces, is square shape, and the web plate one of outside upper end constitutes in being connected by the two interior outsides that be arranged in parallel along the vertical direction of circle and level; Electric pushrod 7 then level is installed on the charging cup 8 on the side relative with the adiabatic feeding gate 11 of cementing furnace, and front end points to adiabatic feeding gate 11.
When lifting table 2 rise to labyrinth type sand seal groove 5 mounted thereto reach the labyrinth type sand seal cutter 6 that is installed on charging cup 8 bottom surfaces height is set the time, in the sealing quartz sand in the interior outside on the described labyrinth type sand seal cutter 6 can be inserted in respectively and put on labyrinth type sand seal groove 5 in the water jacket.
The liftable cementing furnace feeding unit working process that the utility model provides is as follows: in the time need carrying pending workpiece 12 in the cavity of cementing furnace, at first start electric lift 3 by the staff, so that lifting table 2 descends from the closed working position of rising, then workpiece 12 is placed the surface of lifting table guide rail 4, lifting table 2 is risen, when treating that workpiece 12 enters into the inside of charging cup 8 and is promoted to the height of guide rail in the cementing furnace cavity, interior outside on the labyrinth type sand seal cutter 6 be inserted in respectively put on labyrinth type sand seal groove 5 in the sealing quartz sand in the water jacket, thereby it is charging cup 8 and outside is isolated fully, afterwards adiabatic feeding gate 11 is opened, utilize electric pushrod 7 that workpiece 12 is pushed the inside of cementing furnace cavity then, thereby finish whole fill process.Because the height that lifting table 2 promotes must satisfy the requirement of rail height in the cementing furnace cavity and the requirement that sealing compresses simultaneously, the height of guide rail also can slowly change with variation of temperature in the cavity simultaneously, so sealed structure must allow certain height to change.Sealed structure on the liftable cementing furnace feeding unit that the utility model provides can satisfy above-mentioned requirements, and promptly so long as labyrinth type sand seal cutter 6 is inserted into certain depth in the sealing quartz sand, the depth of its insertion does not influence sealing effectiveness.
Claims (2)
1, a kind of liftable cementing furnace feeding unit is characterized in that: described liftable cementing furnace feeding unit mainly comprises bearing (1), lifting table (2), electric lift (3), lifting table guide rail (4), labyrinth type sand seal groove (5), labyrinth type sand seal cutter (6) and electric pushrod (7); Described bearing (1) is L-shaped, and its bottom surface fixes on the ground, is made of vertical component effect and horizontal part, and wherein vertical component effect is arranged on a side of charging cup (8), horizontal part then be positioned at charging cup (8) under; Lifting table (2) is positioned at the top of horizontal part, and the one side is installed on the vertical component effect of bearing (1) in mode moving up and down; Electric lift (3) is installed in the outside of vertical component effect, and links to each other with lifting table (2), is used to drive lifting table (2) and moves along the vertical direction; Lifting table guide rail (4) is rectangular tabular, and level is installed in the surperficial middle part of lifting table (2); Labyrinth type sand seal groove (5) is square shape, is formed with opening on the end face, is fixed on the external margin of lifting table guide rail (4), and inner is divided into adjacent interior water jacket by the dividing plate that is square shape, and the sealing quartz sand is equipped with in inside; Labyrinth type sand seal cutter (6) is installed in the edge of opening position that forms on charging cup (8) bottom surface, is square shape, and the web plate one of outside upper end constitutes in being connected by the two interior outsides that be arranged in parallel along the vertical direction of circle and level; Electric pushrod (7) then level is installed on upward relative with the adiabatic feeding gate (11) of the cementing furnace side of charging cup (8), and front end points to adiabatic feeding gate (11).
2, liftable cementing furnace feeding unit according to claim 1, it is characterized in that: when lifting table (2) rise to labyrinth type sand seal groove (5) mounted thereto reach the labyrinth type sand seal cutter (6) that is installed on charging cup (8) bottom surface height is set the time, the interior outside on the described labyrinth type sand seal cutter (6) can be inserted in respectively to be put in labyrinth type sand seal groove (5) is gone up in the sealing quartz sand in the water jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200753415U CN201212055Y (en) | 2008-07-15 | 2008-07-15 | Feeding device for lifting carburizing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200753415U CN201212055Y (en) | 2008-07-15 | 2008-07-15 | Feeding device for lifting carburizing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201212055Y true CN201212055Y (en) | 2009-03-25 |
Family
ID=40496220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200753415U Expired - Fee Related CN201212055Y (en) | 2008-07-15 | 2008-07-15 | Feeding device for lifting carburizing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201212055Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100716A (en) * | 2014-07-25 | 2014-10-15 | 长沙矿冶研究院有限责任公司 | Double-layer sand seal device with leakage detecting function and industrial kiln with sand seal device |
-
2008
- 2008-07-15 CN CNU2008200753415U patent/CN201212055Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100716A (en) * | 2014-07-25 | 2014-10-15 | 长沙矿冶研究院有限责任公司 | Double-layer sand seal device with leakage detecting function and industrial kiln with sand seal device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090325 Termination date: 20110715 |