CN102634648A - Pit furnace with protective atmosphere device and automatic workpiece transferring device in quenching - Google Patents
Pit furnace with protective atmosphere device and automatic workpiece transferring device in quenching Download PDFInfo
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- CN102634648A CN102634648A CN2012101271694A CN201210127169A CN102634648A CN 102634648 A CN102634648 A CN 102634648A CN 2012101271694 A CN2012101271694 A CN 2012101271694A CN 201210127169 A CN201210127169 A CN 201210127169A CN 102634648 A CN102634648 A CN 102634648A
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- protective atmosphere
- quenching
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- slide
- pit furnace
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Abstract
The invention relates to a pit furnace with a protective atmosphere device and an automatic workpiece transferring device in quenching. The pit furnace comprises a furnace body (1), and is characterized in that a protective atmosphere device, a transfer device (2) and a control device are arranged in the furnace body (1), the protective atmosphere device comprises a protective gas input end (3) and a quenching tank (4), the transferring device (2) consists of a translation mechanism and a vertical movement mechanism, the translation mechanism is connected with a shell (5), and the vertical movement mechanism is connected with a lifting hook (6); a first protective gas inlet (7) and an air exhaust port (8) are arranged at the top of the shell (5), and a second protective gas inlet (9) is arranged at the bottom of the shell (5); the first protective gas inlet (7) and the second protective gas inlet (9) are communicated with a protective gas input end (3); and the control device is connected with the control input end of the translation mechanism, the control input end of the vertical movement mechanism, and the control input end of an air valve. The pit furnace not only can prevent oxidation and decarburization of workpieces through protective atmosphere, but also can conduct automatic quenching, a worker does not need to get close to operate at high temperature, the quality of products is improved, and the labor conditions are also improved.
Description
Technical field
The present invention relates to a kind of quenching device, especially a kind of pit furnace that has in quenching protective atmosphere and shift the workpiece device automatically.Belong to metallic substance heat treatment technics field.
Background technology
Pit furnace is a periodical furnace, is applicable to the thermal treatment of bar class, longaxones parts, has to use to distribute extensively the characteristics that equipment is simple and practical.But in the process of present pit furnace carburizing and quenching; Workpiece owing to there is not atmosphere protection, causes the pyritous workpiece directly to be exposed in the air being transferred to the quenching tank quenching by body of heater when; Cause the workpiece surface oxidation and decarbonization easily; When using the pit furnace heating quenching, all be to adopt hand crane to hang the mode of shove charge and quenching simultaneously, make technician's not only inconvenience but also dangerous that operates; And the oil smoke that the high temperature that workpiece produced is produced when quenching to around environment and human body have a negative impact, labor condition is abominable.
Summary of the invention
The object of the invention; Be in order to solve the problem that above-mentioned prior art causes workpiece surface oxidation and decarbonization, operation inconvenience and poor stability easily; Provide a kind of and both can prevent the workpiece oxidation and decarbonization, can promote and shift the protective atmosphere and the automatic pit furnace that shifts the workpiece device in quenching of having of workpiece again automatically through protective atmosphere.
The object of the invention can reach through following technical scheme:
Have protective atmosphere and the automatic pit furnace that shifts the workpiece device in quenching; Comprise body of heater; Its constructional feature is: in body of heater, be provided with protective atmosphere device, transfer device and gear, said protective atmosphere device comprises protection gas input terminus and quenching tank, and said transfer device comprises translation mechanism and reciprocating mechanism; Translation mechanism is connected with housing, and reciprocating mechanism is connected with suspension hook; Be provided with first protection gas inlet mouth and the air exhaust port at the top of housing, be provided with the second protection gas inlet mouth in the bottom of housing; The said first protection gas inlet mouth and the second protection gas inlet mouth respectively are communicated with protection gas input terminus through an air valve; The wave output terminal of gear connects control input end, the control input end of reciprocating mechanism and the control input end of said air valve of translation mechanism; Gear is made up of manual electric gear or automatic electric gear.
The object of the invention can also reach through following technical scheme:
A kind of Technological improvement plan of the present invention is: said housing can be made up of body skin and inner housing, between said body skin and inner housing, can be provided with a refractory fibre thermofin.
A kind of Technological improvement plan of the present invention is: between said housing and suspension hook, can be provided with one deck shield cap.
A kind of Technological improvement plan of the present invention is: the front at housing can be provided with vision slit, is provided with service ports in the side of housing.
A kind of Technological improvement plan of the present invention is: translation mechanism can be made up of translation guide rail, pan drive motor and slide; Said slide is arranged on the translation guide rail; The output terminal of pan drive motor connects slide; The input terminus of pan drive motor connects the control output end of gear, and housing is connected on the slide.
A kind of Technological improvement plan of the present invention is: on said slide, can be provided with cylinder and locking gear, said suspension hook top is provided with the swivel arrangement of adjustable angle; Said swivel arrangement is connected with cylinder through chain.
A kind of Technological improvement plan of the present invention is: said slide can be slidingly connected through translation pulley and translation guide rail.
A kind of Technological improvement plan of the present invention is: said reciprocating mechanism can comprise slide up and down guide rail, up and down drive-motor, lift arm, go up transmission shaft and lower drive shaft; Said lift arm with slide up and down guide rail and be slidingly connected; Said upward transmission shaft and lower drive shaft are separately installed with the lifting sprocket wheel, are connected with between said two lifting sprocket wheels to promote chain and pass through to promote chain to be connected with lift arm.
A kind of Technological improvement plan of the present invention is: said lift arm can through pulley up and down with slide up and down guide rail and be slidingly connected.
A kind of Technological improvement plan of the present invention is: the air valve that is communicated with protection gas input terminus can be first valve and second valve.
The present invention has following outstanding beneficial effect:
The present invention is owing to be provided with protective atmosphere device, transfer device and gear in body of heater; In the workpiece quenching process, control protective atmosphere device and transfer device work by gear; Make workpiece in whole quenching process, be attended by protective atmosphere, fundamentally having solved prior art does not have under the situation of protective atmosphere in carrying out heating quenching processing, the pyritous workpiece is exposed to quench in the air the existing workpiece surface oxidation and decarbonization problem that causes easily; Can prevent the workpiece oxidation and decarbonization through protective atmosphere; Can quench automatically again, need not manual work closely work, improve the quality of product near high temperature; Improved labor condition preferably, had enhancing productivity, improve the beneficial effect of product quality.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of material frame transfer device of the present invention.
Fig. 3 is the left side view of Fig. 2.
Fig. 4 is the upward view of Fig. 3.
Wherein, the 1-body of heater, 2-charging basket transfer device, 3-protects tracheae, 4-quenching tank, 5-housing; The 6-suspension hook, the 7-first protection gas inlet mouth, 8-air exhaust port, the 9-second protection gas inlet mouth, 10-shield cap, 11-vision slit; The 12-service ports, 13-translation guide rail, 14-pan drive motor, 15-slide, 16-cylinder, 17-locking gear; The 18-swivel arrangement, 19-translation pulley, 20-slides up and down guide rail, and 21-is drive-motor up and down, 22-lift arm, the last transmission shaft of 23-; The 24-lower drive shaft, 25-promotes sprocket wheel, and 26-promotes chain, and 27-is pulley up and down, 28-first valve, 29-second valve.
Embodiment
Specific embodiment 1:
Fig. 1-Fig. 4 constitutes specific embodiment 1 of the present invention.
With reference to Fig. 1-Fig. 4; Present embodiment comprises body of heater 1; In body of heater 1, be provided with protective atmosphere device, transfer device 2 and gear, said protective atmosphere device comprises protection gas input terminus 3 and quenching tank 4, and said transfer device 2 comprises translation mechanism and reciprocating mechanism; Translation mechanism is connected with housing 5, and reciprocating mechanism is connected with suspension hook 6; Be provided with the first protection gas inlet mouth 7 and air exhaust port 8 at the top of housing 5, be provided with the second protection gas inlet mouth 9 in the bottom of housing 5; The said first protection gas inlet mouth 7 and the second protection gas inlet mouth 9 respectively are communicated with protection gas input terminus 3 through an air valve; The wave output terminal of gear connects control input end, the control input end of reciprocating mechanism and the control input end of said air valve of translation mechanism; Gear is made up of manual electric gear or automatic electric gear.
In the present embodiment:
Said housing 5 is made up of body skin 5-1 and inner housing 5-2, between said body skin 5-1 and inner housing 5-2, is provided with a refractory fibre thermofin 5-3.Be provided with one deck shield cap 10 between said housing 5 and the suspension hook 6.The front of said housing 5 and side are respectively equipped with vision slit 11 and service ports 12.Said translation mechanism comprises translation guide rail 13, pan drive motor 14 and slide 15, and said slide 15 is slidingly connected with translation guide rail 13.Also be provided with cylinder 16 and locking gear 17 on the said slide 15, said suspension hook 6 tops are provided with the swivel arrangement 18 of adjustable angle; Said swivel arrangement 18 is connected with cylinder 16 through chain; Said slide 15 is slidingly connected through translation pulley 19 and translation guide rail 13.Said reciprocating mechanism comprise slide up and down guide rail 20, up and down drive-motor 21, lift arm 22, go up transmission shaft 23 and lower drive shaft 24; Said lift arm 22 with slide up and down guide rail 20 and be slidingly connected; The said transmission shaft 23 of going up is separately installed with lifting sprocket wheel 25 with lower drive shaft 24, is connected with lifting chain 26 between said two lifting sprocket wheels 25 and also is connected with lift arm 22 through promoting chain 26; Said lift arm 22 through pulley 27 up and down with slide up and down guide rail 20 and be slidingly connected.The air valve that is communicated with protection gas input terminus 3 is first valve 28 and second valve 29.
Gear can be made up of the manual electric gear or the conventional automatic electric gear of routine.
The principle of work of present embodiment:
1) when carrying out heating quenching, suspension hook 6 is glided rapidly, slide into the relative disengaging configuration of charging basket, cylinder 16 promotes the swivel arrangement 18 on the suspension hooks 6 then, and after suspension hook 6 rotated to an angle, the extension that catches on charging basket closed the position; 2) starting up and down drive-motor 21 upwards carries; Drive-motor 21 is gone up transmission shaft 23, lower drive shaft 24 through driving up and down; Drive to promote sprocket wheel 25 pullings and promote chains 26, make lift arm 22 drive the suspension hook 6 that hooks charging basket upwards to carry through promoting chain 26, simultaneously for fear of suspension hook 6 last carry and move in rotation; Locking gear 17 is carried out locking state, and the workpiece in charging basket and the charging basket is lifted up in the housing 5 fully; 3) start pan drive motor 14, housing 5 is moved on to directly over the quenching tank 4, drive-motor 21 counter-rotatings up and down; To moving down, workpiece is all put in the quenching tank 4 in charging basket and charging basket the workpiece in suspension hook 6, charging basket and the charging basket, and hangs over charging basket in the quenching tank 4; This moment, suspension hook 6 moved down a bit of distance again, and charging basket is separated with suspension hook 6, and during a bit of distance that moves down; Locking gear 17 is carried out disarm state, and suspension hook 6 can be rotated; 4) start cylinder 16 and rotate back to starting position to suspension hook 6, start drive-motor 21 up and down again, sling suspension hook 6, promptly accomplish the whole quenching process of pit furnace.
Wherein, the 1st) before the suspension hook 6 in step glides, open first valve 28, the protective atmosphere of protection tracheae 3 is fed by the first protection gas inlet mouth 7, with the air in the housing 5 through air exhaust port 8 emptyings; The 2nd) go on foot to the 4th) in the step, open second valve 29, protect gas inlet mouth 9 to continue feeding by second the protective atmosphere of protection tracheae 3; Thereby formation gas curtain; Make workpiece all under the protection at protective atmosphere, make it isolated, prevented oxidation with air at whole quenching process.
Because workpiece in whole quenching process, carries out in the good conductor of sealing all the time, and is under the condition of protective atmosphere, to carry out; The input of workpiece and transfer all are to drive transfer device by gear to accomplish; Therefore need not manual work and closely operate, can fundamentally solve prior art does not have under the situation of protective atmosphere in carrying out heating quenching processing, the pyritous workpiece is exposed to quench in the air the existing workpiece surface oxidation and decarbonization problem that causes easily; Can prevent the workpiece oxidation and decarbonization through protective atmosphere; Can quench automatically again, need not manual work closely work, improve the quality of product near high temperature; Improved labor condition preferably, had enhancing productivity, improve the beneficial effect of product quality.
The above; Be merely the preferable specific embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any technician who is familiar with the present technique field is equal to replacement or change according to technical scheme of the present invention and inventive concept thereof in the scope that the present invention discloses, all belong to protection scope of the present invention.
Claims (9)
1. have protective atmosphere and the automatic pit furnace that shifts the workpiece device in quenching; Comprise body of heater (1); It is characterized in that: in body of heater (1), be provided with protective atmosphere device, transfer device (2) and gear, said protective atmosphere device comprises protection gas input terminus (3) and quenching tank (4), and said transfer device (2) comprises translation mechanism and reciprocating mechanism; Translation mechanism is connected with housing (5), and reciprocating mechanism is connected with suspension hook (6); Be provided with first protection gas inlet mouth (7) and the air exhaust port (8) at the top of housing (5), be provided with the second protection gas inlet mouth (9) in the bottom of housing (5); The said first protection gas inlet mouth (7) and the second protection gas inlet mouth (9) respectively are communicated with protection gas input terminus (3) through an air valve; The wave output terminal of gear connects control input end, the control input end of reciprocating mechanism and the control input end of said air valve of translation mechanism; Gear is made up of manual electric gear or automatic electric gear.
2. the pit furnace that has in quenching protective atmosphere and shift the workpiece device automatically according to claim 1; It is characterized in that: said housing (5) is made up of body skin (5-1) and inner housing (5-2), between said body skin (5-1) and inner housing (5-2), is provided with a refractory fibre thermofin (5-3).
3. the pit furnace that has in quenching protective atmosphere and shift the workpiece device automatically according to claim 1 is characterized in that: between said housing (5) and suspension hook (6), be provided with one deck shield cap (10).
4. the pit furnace that has in quenching protective atmosphere and shift the workpiece device automatically according to claim 1 is characterized in that: be provided with vision slit (11) in the front of housing (5), be provided with service ports (12) in the side of housing (5).
5. the pit furnace that has in quenching protective atmosphere and shift the workpiece device automatically according to claim 1; It is characterized in that: translation mechanism is made up of translation guide rail (13), pan drive motor (14) and slide (15); Said slide (15) is arranged on the translation guide rail (13); The output terminal of pan drive motor (14) connects slide (15), and the input terminus of pan drive motor (14) connects the control output end of gear, and housing (5) is connected on the slide (15).
6. the pit furnace that has in quenching protective atmosphere and shift the workpiece device automatically according to claim 5; It is characterized in that: on said slide (15), be provided with cylinder (16) and locking gear (17), said suspension hook (6) top is provided with the swivel arrangement (18) of adjustable angle; Said swivel arrangement (18) is connected with cylinder (16) through chain.
7. the pit furnace that has in quenching protective atmosphere and shift the workpiece device automatically according to claim 5, it is characterized in that: said slide (15) is slidingly connected through translation pulley (19) and translation guide rail (13).
8. the pit furnace that has in quenching protective atmosphere and shift the workpiece device automatically according to claim 1; It is characterized in that: said reciprocating mechanism comprise slide up and down guide rail (20), up and down drive-motor (21), lift arm (22), go up transmission shaft (23) and lower drive shaft (24); Said lift arm (22) with slide up and down guide rail (20) and be slidingly connected; Said upward transmission shaft (23) and lower drive shaft (24) are separately installed with and promote sprocket wheel (25), are connected with between said two lifting sprocket wheels (25) to promote chain (26) and pass through lifting chain (26) to be connected with lift arm (22).
9. the pit furnace that has in quenching protective atmosphere and shift the workpiece device automatically according to claim 8 is characterized in that: said lift arm (22) is through pulley (27) up and down and slide up and down guide rail (20) and be slidingly connected.
Priority Applications (1)
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CN201210127169.4A CN102634648B (en) | 2012-04-26 | 2012-04-26 | Pit furnace with protective atmosphere device and automatic workpiece transferring device in quenching |
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CN201210127169.4A CN102634648B (en) | 2012-04-26 | 2012-04-26 | Pit furnace with protective atmosphere device and automatic workpiece transferring device in quenching |
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CN102634648A true CN102634648A (en) | 2012-08-15 |
CN102634648B CN102634648B (en) | 2015-01-07 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106381372A (en) * | 2016-11-06 | 2017-02-08 | 浙江双鸟机械有限公司 | Device applied to quenching induction equipment and used for preventing surface of hoisting chain from being oxidized |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2426877B1 (en) * | 1978-05-23 | 1982-06-04 | Physique Appliquee Ind | |
EP0070347A1 (en) * | 1981-07-17 | 1983-01-26 | Michel Spérisen, Equipements industriels | Heat treating apparatus |
CN2349217Y (en) * | 1998-02-27 | 1999-11-17 | 机械工业部郑州机械研究所 | Vertical atmosphere controllable multi-purpose furnace |
CN1303227C (en) * | 2005-06-30 | 2007-03-07 | 上海交通大学 | Work piece sealing transfer device of vertical heating treatment production line |
CN2887886Y (en) * | 2005-07-08 | 2007-04-11 | 北京易西姆工业炉科技发展有限公司 | Vacuum thermal-treatment furnace |
CN201574175U (en) * | 2009-12-10 | 2010-09-08 | 平顶山市中泰伟业机电有限公司 | Vertical quenching furnace |
CN201645268U (en) * | 2010-03-09 | 2010-11-24 | 庞丕杰 | Multi-station hanging hook turntable type shot blasting machine |
CN202658196U (en) * | 2012-04-26 | 2013-01-09 | 广东世创金属科技有限公司 | Pit furnace with device for protecting atmosphere and automatically transferring workpiece in process of quenching |
-
2012
- 2012-04-26 CN CN201210127169.4A patent/CN102634648B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2426877B1 (en) * | 1978-05-23 | 1982-06-04 | Physique Appliquee Ind | |
EP0070347A1 (en) * | 1981-07-17 | 1983-01-26 | Michel Spérisen, Equipements industriels | Heat treating apparatus |
CN2349217Y (en) * | 1998-02-27 | 1999-11-17 | 机械工业部郑州机械研究所 | Vertical atmosphere controllable multi-purpose furnace |
CN1303227C (en) * | 2005-06-30 | 2007-03-07 | 上海交通大学 | Work piece sealing transfer device of vertical heating treatment production line |
CN2887886Y (en) * | 2005-07-08 | 2007-04-11 | 北京易西姆工业炉科技发展有限公司 | Vacuum thermal-treatment furnace |
CN201574175U (en) * | 2009-12-10 | 2010-09-08 | 平顶山市中泰伟业机电有限公司 | Vertical quenching furnace |
CN201645268U (en) * | 2010-03-09 | 2010-11-24 | 庞丕杰 | Multi-station hanging hook turntable type shot blasting machine |
CN202658196U (en) * | 2012-04-26 | 2013-01-09 | 广东世创金属科技有限公司 | Pit furnace with device for protecting atmosphere and automatically transferring workpiece in process of quenching |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106381372A (en) * | 2016-11-06 | 2017-02-08 | 浙江双鸟机械有限公司 | Device applied to quenching induction equipment and used for preventing surface of hoisting chain from being oxidized |
CN106381372B (en) * | 2016-11-06 | 2018-06-12 | 浙江双鸟机械有限公司 | For quenching the device for avoiding hoisting chain surface oxidation in sensing apparatus |
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CN102634648B (en) | 2015-01-07 |
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Address after: 528313, Stone Industrial Park, Chencun Town, Shunde District, Guangdong, Foshan, 32 Patentee after: Guangdong Shi Chuan metal Science and Technology Co., Ltd. Address before: 528313, Stone Industrial Zone, Chencun Town, Shunde District, Guangdong, Foshan Patentee before: Guangdong Strong Metal Technology Co., Ltd. |