CN102778125A - Dual-door dual-trolley high-temperature sintering furnace production line - Google Patents
Dual-door dual-trolley high-temperature sintering furnace production line Download PDFInfo
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- CN102778125A CN102778125A CN2012103080155A CN201210308015A CN102778125A CN 102778125 A CN102778125 A CN 102778125A CN 2012103080155 A CN2012103080155 A CN 2012103080155A CN 201210308015 A CN201210308015 A CN 201210308015A CN 102778125 A CN102778125 A CN 102778125A
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- sintering furnace
- production line
- workpiece car
- temperature sintering
- high temperature
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Abstract
The invention relates to the technical field of sintering furnaces, and in particular relates to a dual-door dual-trolley high-temperature sintering furnace production line which comprises a sintering furnace and a workpiece vehicle, wherein the sintering furnace is internally provided with a steel rail extending to the outer surface of the sintering furnace; and the workpiece vehicle and the steel rail are slidingly matched. The dual-door dual-trolley high-temperature sintering furnace production line is characterized by also comprising a cooling tank, wherein the cooking tank mainly comprises a tank body with an atomizing chamber and four blowers; the blowers are respectively arranged at the upper part of the tank body; the atomizing chamber is internally provided with an air inlet channel and an air ventilating channel which are communicated with each other; and the steel rail extends into the cooling tank. The air cooling tank is additionally arranged in the prior art, a TC (tungsten carbide) bearing can be cooled down rapidly through the air cooling tank after being sintered, thus the hardness of the TC bearing is improved; and an inner tank body provided by the invention is filled with gasified water mist, and the TC bearing can be cooled down rapidly.
Description
Technical field
The present invention relates to the sintering furnace technical field, relate in particular to a kind of two-door pair of chassis high temperature sintering furnace production line.
Background technology
The TC bearing is the core component of helicoid hydraulic motor, need have higher wearability, and therefore the requirement to its hardness is also more strict in manufacture process.Making at present the TC bearing need pass through and fire and cool off two procedures.Two-door pair of chassis high temperature sintering furnace production line of the prior art; Mainly constitute by sintering furnace and workpiece car two large divisions; Rail is installed in the sintering furnace, and the workpiece car is walked on rail, and TC bearing to be sintered is placed on the workpiece car; The workpiece car is introduced in the sintering furnace TC bearing is fired, and is placed in the air after firing again and cools off.This kind production line has following shortcoming: 1, because the TC bearing is directly to be placed on the workpiece car; Make that heat is uneven in the process of bottom sintering in sintering furnace of TC bearing; The bottom of TC bearing is again less than cooling rapidly when in air, cooling off; Thereby cause the hardness of TC bearing inhomogeneous, reduced the service life of TC bearing; 2, the heater in the sintering furnace only is arranged on two sidewalls of furnace chamber the TC bearing is heated in the existing design, make the TC bearing around the inequality of being heated, influence the sintering quality of TC bearing; 3, the main at present motor-driven workpiece car that adopts goes; Motor of the prior art directly and reductor be installed in the bottom of workpiece car; Drive four wheels through gear drive and go, the power line of motor can move along with going of workpiece, and the wheel of workpiece car is the crushing power line very easily; Because voltage is higher in the power line, and potential threat is made in workman's personal safety; 4, cooling procedure is only cooled off in air in the prior art, and cooling TC bearing mainly adopts the mode of utilizing the fan blowing, and cooling velocity is slower; In addition, because fan can only make to cause the hardness of TC bearing to reduce by six face inhomogeneous coolings of TC bearing that ovality increases to a direction blowing; 5, each workpiece car is equipped with a sintering furnace in the existing design, and the workpiece car need be released cooling behind each sintering, and sintering furnace is in idle state; By the time unload after the TC bearing cooling, refill new one batch TC bearing and fire, restart sintering furnace; Make the utilization rate of sintering furnace reduce greatly like this, simultaneously, increased the energy consumption of sintering furnace; Operating efficiency is low, and the production cost of enterprise improves.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned technology; And a kind of two-door pair of chassis high temperature sintering furnace production line is provided; Guarantee that the TC bearing is heated evenly in heating process, the TC bearing can be cooled off rapidly, improve the service life of TC bearing.
The present invention is for realizing above-mentioned purpose; Adopt following technical scheme: a kind of two-door pair of chassis high temperature sintering furnace production line, comprise sintering furnace and workpiece car, the rail that extends to the sintering furnace outside is installed in the said sintering furnace; Said workpiece car and said rail are slidingly matched; It is characterized in that: also comprise a cooler bin, said cooler bin mainly is made up of casing, the hair-dryer of band spray chamber, and said hair-dryer is four tops that are separately positioned on casing; Be provided with air intake passage and air exhaust passage in the said spray chamber, said air intake passage is communicated with hair-dryer; Said rail extends to the inside of cooler bin.
Said cooler bin is two, is separately positioned on the both sides of sintering furnace.
Said workpiece car is two, lays respectively between cooler bin and the sintering furnace.
The length direction of the sidewall upper edge internal box of said spray chamber is arranged at intervals with several atomizers.
There is refractory brick on said workpiece car top along the tiling of the length direction of workpiece car, and the top of said refractory brick is provided with hollow refractory brick, said hollow refractory brick axially and radially be respectively equipped with through hole.
The both sides of said sintering furnace are respectively equipped with fire door, and said fire door is provided with heating rod.
The both sides of said workpiece car are provided with seal groove, and said seal groove is corresponding with two furnace wall bottoms of furnace chamber, is provided with sealing gasket in the said seal groove.
Also comprise and be used to drive the driving mechanism that the workpiece car goes; Said driving mechanism comprises reductor, chain formation and is bearing in ground sprocket wheel; One end of said chain is fixed on fixed block one side of workpiece car bottom, the other end successively the sprocket wheel on solderless wrapped connection sprocket wheel, the reductor, finally be fixed on the opposite side of fixed block.
The bottom of said sintering furnace is provided with the cylinder that is used to promote the workpiece car.
The outermost end of said air exhaust passage is connected with air-introduced machine.
The invention has the beneficial effects as follows: 1, set up an air cooling case in the prior art, make behind the TC bearing sintering through this air-cooled case, thereby can cool off the hardness that improves the TC bearing fast; Be added with gasification water smoke in the internal box of the present invention and can cool off the TC bearing fast; 2, cooler bin and workpiece car all are arranged to two, and when first workpiece car carried out sintering in sintering furnace, second workpiece car got into cooler bin and cool off; Take out TC bearing cooling back on second workpiece car, changes another batch TC bearing to be sintered, simultaneously first workpiece car is released from sintering furnace; And push in the cooler bin that is adjacent and cool off, second workpiece car advances sintering in the sintering furnace more again, so circulation; Increase the utilization rate of sintering furnace, improved operating efficiency; 3, with refractory brick and hollow refractory brick are set on the workpiece car; Owing to have through hole on the hollow refractory brick, guaranteed that each position of TC bearing can both obtain uniform heat in heating process, simultaneously; The bottom of TC bearing can access uniform cooling again when cooling; Product quality, quantity improve more than 50%, and product hardness is at the 260-280 degree, and ovality reduces more than 40%; 4, owing on the fire door heating rod is installed; Make in the furnace chamber can the four sides around to the heating of TC bearing, simultaneously because the acting in conjunction of seal groove and sealing gasket makes workpiece car and furnace chamber form enclosed space; Shorten sintering time, improved product internal material dissolving quality.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of sintering furnace among the present invention;
Fig. 3 is the side view of Fig. 2;
Fig. 4 is the structural representation of cooler bin among the present invention;
Fig. 5 is the side view of Fig. 4;
Among the figure: 1, sintering furnace; 11, fire door; 12, heating rod; 13, hinge; 14, sprocket wheel; 15, chain; 16, motor; 2, workpiece car; 21, wheel; 22, refractory brick; 23, hollow refractory brick; 24, through hole; 25, seal groove; 26, sealing gasket; 3, rail; 4, cooler bin; 41, spray chamber; 42, casing; 43, hair-dryer; 44, air exhaust passage; 45, atomizer; 46, chamber door; 47, cylinder; 48, cover partially in; 49, protecting wire net; 411, air intake passage; 5, driving mechanism; 51, reductor; 52, chain; 53, sprocket wheel; 54, fixed block; 6, hydraulic jack.
The specific embodiment
Specify the specific embodiment of the present invention below in conjunction with accompanying drawing and preferred embodiment.Extremely shown in Figure 3 like Fig. 1: a kind of two-door pair of chassis high temperature sintering furnace production line, comprise sintering furnace 1 and workpiece car 2, the rail 3 that extends to the sintering furnace outside is installed in the said sintering furnace; Said workpiece car and said rail are slidingly matched, and also comprise a cooler bin 4, and said rail extends to the inside of cooler bin; Said cooler bin 4 mainly is made up of the casing that has spray chamber 41 42, hair-dryer 43; Said hair-dryer is four tops that are separately positioned on casing, is provided with air intake passage 411 and air exhaust passage 44 in the said spray chamber, and said air intake passage is communicated with hair-dryer owing to leave air intake passage between internal box and the outer case; Make air stream get in the internal box from air intake passage; Thereby discharge by air exhaust passage behind the TC bearing on the cooling workpiece car, cool off the TC bearing fast, guaranteed the hardness of TC bearing greatly.The length direction of the sidewall upper edge internal box of said internal box is arranged at intervals with several atomizers 45.For the moisture in the atomizer is sprayed on the TC bearing uniformly, said atomizer is provided with along the length direction of internal box at interval, the height that is higher than the workpiece car of said atomizer.The gas of atomizing sprays to the TC bearing on the workpiece car with air stream, has quickened the cooling of TC bearing greatly.For the air that quickens in the internal box flows, the outermost end of said air exhaust passage is connected with air-introduced machine.Chamber door among the present invention adopts the mode of pegging graft, and both sides are provided with chamber door 46 before and after the said outer case, are fixed with cylinder 47 on the outer case of the both sides of said chamber door, and the piston rod of said cylinder is connected with chamber door through connecting axle.When the piston rod of cylinder moves, drive the unlatching and the closure of chamber door above-below direction, export-oriented door is provided with slide rail, makes chamber door and outer case slide up and down.Observe the working condition in the internal box for the ease of the workman, said outer case is provided with the lid 48 partially that is used for observing the internal box internal state.In order to protect export-oriented external pipeline, like tracheae and water pipe, said outer case bottom is provided with protecting wire net 49, and is not only attractive in appearance but also can protect pipeline.For coming owing to advance the TC bearing temperature on the workpiece car in the internal box all very high, in order to protect two sidewalls of internal box, on the said internal box inwall with the workpiece car on TC bearing equal height position be provided with refractory fiber block.
Make behind the TC bearing sintering through this air-cooled case, thereby can cool off the hardness that improves the TC bearing fast; Be added with gasification water smoke in the internal box of the present invention and can cool off the TC bearing fast; The air quantity of air intake passage and air exhaust passage can be reconciled according to the product specification size; Air quantity can pass through the workpiece car, can cool off the TC bearing on the workpiece car fast; Air quantity circulate in the TC bearing around, thereby balance cooling quality has solved uneven hardness of product and ovality.
In order alternately to cool off the TC bearing, said cooler bin is two, is separately positioned on the both sides of sintering furnace.Said workpiece car is two, lays respectively between cooler bin and the sintering furnace.Workpiece car bottom is provided with four wheels 21, and wheel goes on the rail that fixes on the ground.Cooler bin and workpiece car all are arranged to two, and when first workpiece car carried out sintering in sintering furnace, second workpiece car got into cooler bin and cool off; Take out TC bearing cooling back on second workpiece car, changes another batch TC bearing to be sintered, simultaneously first workpiece car is released from sintering furnace; And push in the cooler bin that is adjacent and cool off, second workpiece car advances sintering in the sintering furnace more again, so circulation; Increase the utilization rate of sintering furnace, improved operating efficiency.
In the present invention for the improvement of sintering furnace; In order to make the heating and cooling of TC bearing even; Along the tiling of the length direction of workpiece car refractory brick 22 is arranged on workpiece car 2 tops, the top of said refractory brick is provided with hollow refractory brick 23, said hollow refractory brick axially and radially be respectively equipped with through hole 24.In order hollow refractory brick to be assembled into a big integral body, a ring dovetail that its length direction of face upper edge is respectively equipped with dovetail groove and cooperates with dovetail groove Thursday of said hollow refractory brick.Said dovetail groove and dovetail are respectively two groups, on mutual corresponding four faces that are arranged on hollow refractory brick of dovetail groove and dovetail.Can install in aggregates through dovetail groove and dovetail each hollow refractory brick like this.Owing to have through hole on the hollow refractory brick; Guaranteed that each position of TC bearing can both obtain uniform heat in heating process; Simultaneously, the bottom of TC bearing can access uniform cooling again when cooling, and product quality, quantity improve more than 50%; Product hardness is at the 260-280 degree, and ovality reduces more than 40%.The both sides of said workpiece car are provided with seal groove 25, and said seal groove is corresponding with two furnace wall bottoms of furnace chamber, is provided with sealing gasket 26 in the said seal groove.When hydraulic jack 6 promoted the rising of workpiece car, furnace wall bottom and workpiece car tight seal made effectively to have prevented scattering and disappearing of heat in the interior space that forms a sealing of furnace chamber.Go and also comprise a driving mechanism 5 in order to drive the workpiece car; Said driving mechanism comprises reductor 51, chain 52 formations and is bearing in ground sprocket wheel 53; One end of said chain is fixed on fixed block 54 1 sides of workpiece car bottom, the other end successively the sprocket wheel on solderless wrapped connection sprocket wheel, the reductor, finally be fixed on the opposite side of fixed block.Reductor is two, is installed in the outermost of two cooler bins respectively.The both sides of said sintering furnace 1 are respectively equipped with fire door 11, and said fire door is provided with heating rod 12.Be fixed with hinge 13 on the said fire door, the top of said hinge is linked with sprocket wheel 14, and said sprocket wheel is connected with motor 16 on being fixed on sintering furnace through chain 15.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (10)
1. one kind two-door pair chassis high temperature sintering furnace production line comprises sintering furnace and workpiece car, and the rail that extends to the sintering furnace outside is installed in the said sintering furnace; Said workpiece car and said rail are slidingly matched; It is characterized in that: also comprise a cooler bin, said cooler bin mainly is made up of casing, the hair-dryer of band spray chamber, and said hair-dryer is four tops that are separately positioned on casing; Be provided with air intake passage and air exhaust passage in the said spray chamber, said air intake passage is communicated with hair-dryer; Said rail extends to the inside of cooler bin.
2. two-door pair of chassis high temperature sintering furnace production line according to claim 1, it is characterized in that: said cooler bin is two, is separately positioned on the both sides of sintering furnace.
3. two-door pair of chassis high temperature sintering furnace production line according to claim 2, it is characterized in that: said workpiece car is two, lays respectively between cooler bin and the sintering furnace.
4. according to claim 1 or 3 described two-door pair of chassis high temperature sintering furnace production lines, it is characterized in that: the length direction of the sidewall upper edge internal box of said spray chamber is arranged at intervals with several atomizers.
5. two-door pair of chassis high temperature sintering furnace production line according to claim 4; It is characterized in that: there is refractory brick on said workpiece car top along the length direction tiling of workpiece car; The top of said refractory brick is provided with hollow refractory brick, said hollow refractory brick axially and radially be respectively equipped with through hole.
6. two-door pair of chassis high temperature sintering furnace production line according to claim 5, it is characterized in that: the both sides of said sintering furnace are respectively equipped with fire door, and said fire door is provided with heating rod.
7. two-door pair of chassis high temperature sintering furnace production line according to claim 6, it is characterized in that: the both sides of said workpiece car are provided with seal groove, and said seal groove is corresponding with two furnace wall bottoms of furnace chamber, is provided with sealing gasket in the said seal groove.
8. two-door pair of chassis high temperature sintering furnace production line according to claim 7; It is characterized in that: also comprise being used to drive the driving mechanism that the workpiece car goes; Said driving mechanism comprises reductor, chain formation and is bearing in ground sprocket wheel; One end of said chain is fixed on fixed block one side of workpiece car bottom, the other end successively the sprocket wheel on solderless wrapped connection sprocket wheel, the reductor, finally be fixed on the opposite side of fixed block.
9. two-door pair of chassis high temperature sintering furnace production line according to claim 8, it is characterized in that: the bottom of said sintering furnace is provided with the cylinder that is used to promote the workpiece car.
10. two-door pair of chassis high temperature sintering furnace production line according to claim 9, it is characterized in that: the outermost end of said air exhaust passage is connected with air-introduced machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210308015.5A CN102778125B (en) | 2012-08-27 | 2012-08-27 | Two door and two car high temperature sintering furnace production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210308015.5A CN102778125B (en) | 2012-08-27 | 2012-08-27 | Two door and two car high temperature sintering furnace production line |
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| Publication Number | Publication Date |
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| CN102778125A true CN102778125A (en) | 2012-11-14 |
| CN102778125B CN102778125B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210308015.5A Active CN102778125B (en) | 2012-08-27 | 2012-08-27 | Two door and two car high temperature sintering furnace production line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434080A (en) * | 2018-10-12 | 2019-03-08 | 株洲金韦硬质合金有限公司 | A kind of TC bearing assembly sintering method based on precoated sand die sleeve |
| CN110004282A (en) * | 2019-05-24 | 2019-07-12 | 武汉迈特炉业科技有限公司 | A kind of car type furnace for large piece heat treatment |
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| CN202304397U (en) * | 2011-09-16 | 2012-07-04 | 萧添旺 | Firing furnace for ceramic artworks |
| CN202747775U (en) * | 2012-08-27 | 2013-02-20 | 天津立林石油机械有限公司 | Double-door and double-trolley high-temperature sintering furnace production line |
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2012
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Patent Citations (10)
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| GB1428293A (en) * | 1973-01-24 | 1976-03-17 | Nippon Steel Corp | Heating furnace of the walking beam type |
| JPH04270885A (en) * | 1991-02-25 | 1992-09-28 | Ngk Insulators Ltd | Truck sealing device for high-temperature baking furnace |
| CN2106338U (en) * | 1991-05-12 | 1992-06-03 | 钱庆楠 | Energy-saving kiln truck |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434080A (en) * | 2018-10-12 | 2019-03-08 | 株洲金韦硬质合金有限公司 | A kind of TC bearing assembly sintering method based on precoated sand die sleeve |
| CN109434080B (en) * | 2018-10-12 | 2020-12-29 | 株洲金韦硬质合金有限公司 | TC bearing assembly sintering method based on precoated sand mold sleeve |
| CN110004282A (en) * | 2019-05-24 | 2019-07-12 | 武汉迈特炉业科技有限公司 | A kind of car type furnace for large piece heat treatment |
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| CN102778125B (en) | 2016-04-20 |
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