CN204779693U - Guenching unit - Google Patents
Guenching unit Download PDFInfo
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- CN204779693U CN204779693U CN201520511283.6U CN201520511283U CN204779693U CN 204779693 U CN204779693 U CN 204779693U CN 201520511283 U CN201520511283 U CN 201520511283U CN 204779693 U CN204779693 U CN 204779693U
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- quenching
- quenching tank
- water jacket
- hurdle
- inside groove
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Abstract
The utility model discloses a guenching unit, including the quenching groove, hang fence, hoist mechanism, circulating device and mechanical stirring device, the quenching groove includes quenching groove water jacket and quenching inslot groove, the quenching liquid all is equipped with and be located the bottom of quenching groove water jacket in the water jacket of quenching groove to the setting of quenching inslot groove in quenching groove water jacket and the quenching inslot groove, the liquid level of quenching liquid is less than the liquid level of quenching liquid in the quenching inslot groove in the water jacket of quenching groove, the quenching liquid is full of whole quenching inslot groove in the quenching inslot groove, mechanical stirring device, mechanical stirring unit bit in the opposite side of quenching groove water jacket, mechanical stirring device include the stirred tank, set up the agitator motor on the stirred tank and set up at the epaxial screw of agitator motor output, and the stirred tank communicates with each other with quenching groove water jacket. The beneficial effect of the utility model: solved that among the prior art because the liquid level surface that the quenching liquid liquid level rose and the stirring makes to the quenching liquid in the work piece dip quench liquid is undulant big and lead to the fact the work piece unqualified defect of quenching.
Description
Technical field
The utility model relates to a kind of quenching device, belongs to heat-treatment production line quenching technology field, especially to the thermal treatment of edge circle aluminium recovery having requirement of partly quenching.
Background technology
Along with developing rapidly of motor car engine localization process, the demand of engine component is increasing, international, the requirement of domestic market Shang Ge great automobile factory to automobile is more and more higher: safe, energy-conservation, low noise, low stain, thing discharge, become the trend of the development of prime mover industry from now on high work-ing life.Piston, as the important composition part of engine, is the strength member realizing the requirements such as vehicle security, energy saving, low noise.Aluminium-alloy piston is because its material property is superior, piston weight light, good heat dissipation, moulding process are simple, and processibility is superior, is more and more applied on the engine etc. feature.Aluminum current alloy piston is towards the future development of huge discharge, lightweight, high strength, environmental protection.
The mode of production of present domestic engine piston is mainly: carbon steel fusion cast process and external force forging mode.Mode because of fusion cast process is difficult to the resistance to air loss defect solving structure, and external force forges its complex forming technology, and manufacturing cost is high, can not meet requirements of mass production; In addition due to its material own characteristic, following process also difficulty is very large.For adapting to the development trend of piston product, new piston material and new aluminium-alloy piston method of manufacturing technology are developed development, adopt as cast condition 450 DEG C to quench in the 1% polypropylene aqueous solution, then through 220 DEG C of insulation timeliness, its mechanical property reaches HB=122-126, σ
b=240-260Mpa, over-all properties all reaches the standard-required of steel piston.International high-end aluminium-alloy piston manufacturing enterprise develops into the mode of inlaying Cr steel by low pressure straight forming and changes.
Existing quenching technology is: be dipped in quenching tank by the workpiece of process to be quenched and cool, hardening liquid is added in quenching tank, in quench treatment, workpiece adds in hardening liquid, the liquid level of hardening liquid can along with increase, not only square upwards to flow saying in hardening liquid surface, and in the vertical direction also produces fluctuation, and the impact of fluctuation on quenching quality on hardening liquid surface is larger; On the other hand, owing to adding workpiece, in quenching tank, the temperature of hardening liquid becomes no longer even, even in order to realize quench fluid temperature in quenching tank, prior art adds whipping appts in quenching tank, although existing whipping appts can solve the problem of temperature distributing disproportionation to a certain extent, and the new problem also brought, the fluctuating range on hardening liquid surface can be increased exactly, the quality of impact quenching in stirring; 3rd be prior art in quenching process, workpiece is placed on and hangs hurdle for supporting workpiece, is easily subjected to displacement in the horizontal direction, also has an impact to the quenching quality of workpiece.
Summary of the invention
The purpose of this utility model is to provide a kind of quenching device, solves in prior art the underproof defect of workpiece quenching raising and stirs hardening liquid the liquid level surface wave that makes due to hardening liquid liquid level in workpiece dip quench liquid and cause greatly.
For solving the problem, technical solution adopted in the utility model is: quenching device, comprises following integral part:
Quenching tank, described quenching tank comprises quenching tank water jacket and quenching tank inside groove, described quenching tank inside groove to be arranged in quenching tank water jacket and to be positioned at the bottom of quenching tank water jacket, all hardening liquid is housed in described quenching tank water jacket and quenching tank inside groove, in quenching tank water jacket, the liquid level of hardening liquid is lower than the liquid level of hardening liquid in quenching tank inside groove, and in quenching tank inside groove, hardening liquid is full of whole quenching tank inside groove, existing quenching tank is modified into quenching tank water jacket and quenching tank inside groove by the utility model, because hardening liquid in quenching tank inside groove is full of whole quenching tank inside groove, therefore after in workpiece dip quench groove inside groove, hardening liquid in quenching tank inside groove spills in quenching tank water jacket along the top of quenching tank inside groove, therefore the liquid level in quenching tank inside groove remains constant (namely remaining identical with the height of quenching tank inside groove), that is in quenching tank inside groove, liquid level does not in height change, namely quenching tank inside groove liquid level is relatively tranquil, not fluctuation, therefore the qualification rate rate of workpiece quenching is high.
Hang hurdle, described hang that hurdle comprises framework, the conveying roller that is arranged on base of frame is rotated at the two ends of more than two and be arranged on the conveying roller motor of frame roof for driving conveying roller to rotate; Hang on hurdle and conveying roller is set, conveying roller is used for supporting and conveying workpieces, hangs hurdle and moves downward and be immersed in quenching tank inside groove by the workpiece hung on hurdle, and conveying roller motor drives conveying roller to rotate, being transported to by workpiece hangs on hurdle, after having quenched, workpiece is delivered to subsequent processing from hanging hurdle.
Lifting mechanism, described lifting mechanism is arranged on the top of quenching tank water jacket, hangs hurdle and locating device moves up and down in quenching tank inside groove for driving; Lifting mechanism drives and hangs hurdle and move up and down, by the workpiece dip quench groove inside groove hung on hurdle and shift out quenching tank inside groove.
Circulation device, described circulation device is arranged on the side of quenching tank water jacket, described circulation device comprises the pipeline connecting quenching tank water jacket and quenching tank inside groove and the water pump be arranged on pipeline, and described water pump is used for hardening liquid to pump to quenching tank inside groove from quenching tank water jacket, circulation device is communicated with the bottom of quenching tank water jacket and the bottom of quenching tank inside groove, hardening liquid in quenching tank water jacket is extracted in quenching tank inside groove, thus keep hardening liquid in quenching tank inside groove to be full of quenching tank inside groove all the time, namely hardening liquid liquid level in quenching process is kept to there will not be fluctuation all the time, and be the bottom of quenching tank water jacket and quenching tank inside groove due to what patrol that emperor's device is communicated with, therefore, even if the sub-in the vertical direction of the hardening liquid bottom quenching tank inside groove fluctuates to some extent, but in quenching tank inside groove the surface of hardening liquid only have horizontal direction flowing and without the fluctuation of vertical direction, and the fluctuation to the surface of the hardening liquid just vertical direction that workpiece quenching quality has an impact, therefore the utility model can keep higher quenching qualification rate.
Mechanical stirring device, described mechanical stirring device is positioned at the opposite side of quenching tank water jacket, the water screw that mechanical stirring device comprises steel basin, is arranged on the agitator motor on steel basin and is arranged on agitator motor output shaft, described steel basin communicates with quenching tank water jacket; Mechanical stirring device is set, stir together with hardening liquid relatively low with temperature in quenching tank water jacket for hardening liquid hotter after quenching, make both fully mix and carry out energy exchange, and this use stirring apparatus to be arranged in steel basin because steel basin communicates with quenching tank water jacket, therefore can realize the even of quench fluid temperature; Because the utility model whipping appts is not be arranged in the quenching tank inside groove that quenches to workpiece, but steel basin is set separately, therefore whipping appts at most also just produces fluctuation to the hardening liquid surface of quenching tank water jacket, and fluctuation can not be caused to the hardening liquid liquid level in quenching tank inside groove to the stirring of hardening liquid, further improve the quenching quality of workpiece.
The utility model is taked quenching tank to be divided into inside groove and water jacket and the mode be arranged on beyond quenching tank inside groove makes liquid level workpiece being done to hardening liquid in quenching tank inside groove in quench treatment almost not fluctuate by whipping appts, therefore improves the qualification rate of workpiece quenching.
As further improvement of the utility model, described lifting mechanism is oil cylinder, and the cylinder barrel of described oil cylinder is fixed on the top of quenching tank water jacket, and the piston rod of oil cylinder connects the top of hanging hurdle.
Utilize the telescopic drive of cylinder piston rod to hang hurdle to move up and down in quenching tank inside groove, oil cylinder volume is little, but the power be to provide is larger, can bear workpiece and whole weight of hanging hurdle completely, on the other hand, oil cylinder can directly be buied, not only originate relatively more extensive, and install and use all very convenient.
As further improvement of the utility model, also comprise and hang hurdle locating device, the described hurdle locating device that hangs comprises the cylinder being arranged on quenching tank water jacket top, the piston rod of described oil cylinder by screw mandrel with hang hurdle and be connected, described screw mandrel has kidney-shaped groove vertically, described screw mandrel arranges nut, and the piston rod of described cylinder can stretch in kidney-shaped groove.
The utility model arranges and hangs hurdle locating device, owing to screw mandrel having kidney-shaped groove, and screw mandrel is provided with nut, according to the position of the height control nut of workpiece, when cylinder piston rod stretches out after in cylinder barrel to the complete dip quench liquid of workpiece, the piston rod of cylinder extends, located by kidney-shaped groove and nut, screw mandrel is supported, therefore whole weight of hanging hurdle and workpiece is born by the piston rod of cylinder, oil cylinder substantially no longer bears the gravity hanging hurdle and workpiece, because the cost ratio oil cylinder of cylinder is much lower, need to change even if therefore cylinder damages, also more good in economic efficiency than replacing oil cylinder.
As further improvement of the utility model, also comprise and hang hurdle guide frame, the described hurdle guide frame that hangs comprises guide and guide rod, the bottom of described guide is fixed on the bottom of quenching tank inside groove, the top of guide rod is fixed on the bottom of hanging hurdle, the bottom of guide rod is arranged in guide, and along with hanging moving up and down of hurdle and to-and-fro movement in guide.
The bottom of quenching tank inside groove arranges guide, and arranging in guide can within it reciprocating guide rod, guide plays the effect of guiding to moving up and down of guide rod, that is, guide rod can only move up and down along guide and can not move in the horizontal direction, and the top of guide rod is fixed on and hangs on hurdle, therefore, hang hurdle also can only to move by the vertical direction, guide and guide rod are jointly to the effect of hanging hurdle and play guiding, make to hang hurdle can only move by the vertical direction, and energon does not move in the horizontal direction, thus keep wanting the workpiece of quench treatment there is no displacement in the horizontal direction, the quality of further raising workpiece quenching.
As further improvement of the utility model, also comprise raising legs guide rail, the bottom of described raising legs guide rail is fixed in quenching tank inside groove, the top of described raising legs guide rail is fixed on the top of quenching tank water jacket, the described two ends of hanging hurdle and locating device thereof are provided with roller, and described roller and described raising legs guide rail form vertical rolling pair.
Raising legs guide rail coordinates with roller; raising legs guide rail plays the effect of guiding to hanging hurdle; keep hanging hurdle in the vertical direction motion; guide rod in the vertical direction moves; prevent workpiece from producing displacement in the horizontal direction on the one hand, on the other hand, also prevent the piston rod of oil cylinder from swinging in the horizontal direction; in order to avoid oil cylinder damages due to the swing of piston rod, oil cylinder is played to the effect of protection.
Further improve as of the present utility model, all conveying rollers are connected by a chain or belt, and wherein any conveying roller is also connected with the output shaft of conveying roller motor by chain or belt.
Conveying roller motor drives a conveying roller to rotate, then drives remaining conveying roller to rotate by this conveying roller, and powerdriven structure is simple, and installing/dismounting is all more convenient.
In sum, the beneficial effects of the utility model are: solve in prior art the underproof defect of workpiece quenching raising and stirs hardening liquid the liquid level surface wave that makes due to hardening liquid liquid level in workpiece dip quench liquid and cause greatly, and the utility model workpiece in quenching process does not have displacement in the horizontal direction, workpiece quenching qualification rate is high, the utility model structure is simple, and economic message is good.
Accompanying drawing explanation
Fig. 1 is internal structure schematic diagram of the present utility model.
Fig. 2 is the P direction view of Fig. 1.
Fig. 3 is the M direction view of Fig. 2.
Wherein: 1, quenching tank water jacket; 2, quenching tank inside groove; 3, framework; 4, conveying roller; 5, conveying roller motor; 6, lifting mechanism; 7, circulation device; 8, water pump; 9, steel basin; 10, agitator motor; 11, water screw; 12, oil cylinder; 13, screw mandrel; 14, cylinder; 15, guide; 16, guide rod; 17, raising legs guide rail; 18, roller; 19, frame is expected.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
Quenching device as shown in Figure 1, Figure 2 and Figure 3, comprises following integral part:
1.. quenching tank, described quenching tank comprises quenching tank water jacket 1 and quenching tank inside groove 2, described quenching tank inside groove 2 to be arranged in quenching tank water jacket 1 and to be positioned at the bottom of quenching tank water jacket 1, all hardening liquid is housed in described quenching tank water jacket 1 and quenching tank inside groove 2, in quenching tank water jacket 1, the liquid level of hardening liquid is lower than the liquid level of hardening liquid in quenching tank inside groove 2, and in quenching tank inside groove 2, hardening liquid is full of whole quenching tank inside groove 2.
2.. hang hurdle, the described hurdle that hangs comprises framework 3, five conveying rollers 4 and is arranged on the conveying roller motor 5 rotated for driving conveying roller 4 at framework 3 top, and the two ends of conveying roller 4 are rotated by bearing and are arranged on bottom framework 3.
3.. lifting mechanism 6, described lifting mechanism 6 is arranged on the top of quenching tank water jacket 1, hangs hurdle move up and down in quenching tank inside groove 2 for driving; The preferred lifting mechanism oil cylinder 12 of the present embodiment, the cylinder barrel of described oil cylinder 12 is fixed on the top of quenching tank water jacket 1, and the piston rod of oil cylinder 12 connects the top of hanging hurdle.
4.. circulation device 7, described circulation device 7 is arranged on the side of quenching tank water jacket 1, described circulation device 7 comprises the pipeline connecting quenching tank water jacket 1 and quenching tank inside groove 2 and the water pump 8 be arranged on pipeline, and described water pump 8 is for pumping to quenching tank inside groove 2 by hardening liquid from quenching tank water jacket 1.
5.. mechanical stirring device, described mechanical stirring device is positioned at the opposite side of quenching tank water jacket 1, mechanical stirring device comprises steel basin 9, the water screw 11 being arranged on the agitator motor 10 on steel basin 9 and being arranged on agitator motor 10 output shaft, described steel basin 9 communicates with quenching tank water jacket 1, the bottom surface of the steel basin 9 in the utility model is the face tilted, and this bottom surface is lower near quenching tank water jacket 1 side, side away from quenching tank water jacket 1 is higher, because water screw 11 rotates, thrust is produced to agitator motor 10, and agitator motor 10 is fixed on steel basin 9 and can not moves up and down, therefore reverse reactive force is produced to hardening liquid, hardening liquid is pressed in quenching tank inside groove 2 from quenching tank water jacket 1, therefore mechanical stirring device can coordinate circulation device to promote the circulation of hardening liquid in quenching tank water jacket 1 and quenching tank inside groove 2.
6.. hang hurdle locating device, the described hurdle locating device that hangs comprises the cylinder 14 being arranged on quenching tank water jacket 1 top, the piston rod of described oil cylinder 12 by screw mandrel 13 with hang hurdle and be connected, described screw mandrel 13 has kidney-shaped groove vertically, described screw mandrel 13 arranges nut, and the piston rod of described cylinder 14 can stretch in kidney-shaped groove.
7.. hang hurdle guide frame, the described hurdle guide frame that hangs comprises guide 15 and guide rod 16, the bottom of described guide 15 is fixed on the bottom of quenching tank inside groove 2, the top of guide rod 16 is fixed on the bottom of hanging hurdle, the bottom of guide rod 16 is arranged in guide 15, and along with hanging moving up and down of hurdle and to-and-fro movement in guide 15.
8.. raising legs guide rail 17, the bottom of described raising legs guide rail 17 is fixed in quenching tank inside groove 2, the top of described raising legs guide rail 17 is fixed on the top of quenching tank water jacket 1, the described two ends of hanging hurdle are provided with roller 18, and described roller 18 forms vertical rolling pair with described raising legs guide rail 17.
In the utility model, the type of drive of conveying roller 4 is: all conveying rollers 4 are connected by a chain or belt, and wherein any conveying roller 4 is also connected with the output shaft of conveying roller motor 5 by chain or belt.As shown in Figure 3, conveying roller 4 in Fig. 3 is from left to right respectively the first conveying roller, second conveying roller, 3rd conveying roller, 4th conveying roller and the 5th conveying roller, wherein the 3rd conveying roller is positioned at immediately below conveying roller motor 5, 3rd conveying roller is arranged the first sprocket wheel/the first belt pulley and the second sprocket wheel/the second belt pulley, first conveying roller, second conveying roller, 4th conveying roller and the 5th conveying roller are provided with the first sprocket wheel/the first belt pulley, the first described conveying roller, second conveying roller, 3rd conveying roller, 4th conveying roller is connected by the first chain/the first belt with the first sprocket wheel/the first belt pulley on the 5th conveying roller, the output shaft of described conveying roller motor 5 is arranged the 3rd sprocket wheel/the 3rd belt pulley, the second described sprocket wheel/the second belt pulley is connected by the second chain/the second belt with the 3rd sprocket wheel/the 3rd belt pulley.Conveying roller motor 5 is rotated by the second chain/the second belt drives the 3rd conveying roller, 3rd conveying roller passes through the first chain/the first belt drive first conveying roller, the second conveying roller, the 4th conveying roller with the 5th conveying roller towards identical direction synchronous axial system, thus realize all conveying rollers 4 in the same way, synchronous axial system, the workpiece on conveying roller 4 is carried.
For ease of carrying out quench treatment to material, material prevents in material frame 19 by the utility model, before quenching, the material frame 19 that splendid attire is heated to the material of critical temperature is delivered to by conveying roller 4 and hangs on hurdle, hang hurdle by lifting mechanism 6 driving again to move downward, rapidly by material and hang hurdle entirety and be immersed in quenching tank inside groove 2, treat material and hang in the whole dip quench liquid in hurdle, the piston rod of cylinder 14 stretches out, through in the kidney-shaped groove on screw mandrel, support screw mandrel, namely the piston rod of cylinder 14 bears screw mandrel, hang hurdle, the gross weight of material and material frame, nut location on screw mandrel is adjusted before hanging hurdle and moving downward.In whole quenching process, hardening liquid in quenching tank inside groove 2 is full of quenching tank inside groove all the time, hang hurdle and workpiece is immersed in the process in quenching tank inside groove 2 downwards, hardening liquid in quenching tank inside groove 2 is from the top overflow stream of quenching tank inside groove 2 in quenching tank water jacket 1, circulation device 7 and mechanical stirring device work simultaneously, respectively the hardening liquid in quenching tank water jacket 1 is extracted into quenching tank inside groove 2 and by the hardening liquid spilt in quenching tank water jacket 1 from quenching tank inside groove 2 from bottom and stirs, realize the exchange of energy, after having quenched, material frame 19 upwards promotes by lifting mechanism 6, by conveying roller 4 material frame 19 carried again and migrate out and hang hurdle, complete primary quenching process.
In the utility model, the work of conveying roller motor 5, oil cylinder, cylinder 14, agitator motor 10 is completed by PLC control system, the mode of connection of described PLC control system and PLC control system and conveying roller motor 5, oil cylinder, cylinder 14, agitator motor 10 is prior art, will not describe in detail herein.Hardening liquid in the utility model is the polypropylene aqueous solution.
Do not do the part illustrated in the utility model, be prior art or namely can be realized by prior art, not belonging to protection domain of the present utility model.And described in the utility model, concrete case study on implementation is only better case study on implementation of the present utility model, is not used for limiting practical range of the present utility model.Namely all equivalences done according to the content of the utility model claim change and modify, all should as technology category of the present utility model.
Claims (6)
1. a quenching device, is characterized in that: comprise
Quenching tank, described quenching tank comprises quenching tank water jacket (1) and quenching tank inside groove (2), described quenching tank inside groove (2) to be arranged in quenching tank water jacket (1) and to be positioned at the bottom of quenching tank water jacket (1), all hardening liquid is housed in described quenching tank water jacket (1) and quenching tank inside groove (2), the liquid level of hardening liquid is lower than the liquid level of hardening liquid in quenching tank inside groove (2) in quenching tank water jacket (1), and in quenching tank inside groove (2), hardening liquid is full of whole quenching tank inside groove (2);
Hang hurdle, described hang that hurdle comprises framework (3), the conveying roller (4) that is arranged on framework (3) bottom is rotated at the two ends of more than two and be arranged on the conveying roller motor (5) rotated for driving conveying roller (4) at framework (3) top;
Lifting mechanism (6), described lifting mechanism (6) is arranged on the top of quenching tank water jacket (1), hangs hurdle move up and down in quenching tank inside groove (2) for driving;
Circulation device (7), described circulation device (7) is arranged on the side of quenching tank water jacket (1), described circulation device (7) comprises the pipeline connecting quenching tank water jacket (1) and quenching tank inside groove (2) and the water pump (8) be arranged on pipeline, and described water pump (8) is for pumping to quenching tank inside groove (2) by hardening liquid from quenching tank water jacket (1);
Mechanical stirring device, described mechanical stirring device is positioned at the opposite side of quenching tank water jacket (1), the water screw (11) that mechanical stirring device comprises steel basin (9), is arranged on the agitator motor (10) on steel basin (9) and is arranged on agitator motor (10) output shaft, described steel basin (9) communicates with quenching tank water jacket (1).
2. quenching device according to claim 1, is characterized in that: described lifting mechanism (6) is oil cylinder (12), and the cylinder barrel of described oil cylinder (12) is fixed on the top of quenching tank water jacket (1), and the piston rod of oil cylinder (12) connects the top of hanging hurdle.
3. quenching device according to claim 2, it is characterized in that: also comprise and hang hurdle locating device, the described hurdle locating device that hangs comprises the cylinder (14) being arranged on quenching tank water jacket (1) top, the piston rod of described oil cylinder (12) by screw mandrel (13) with hang hurdle and be connected, described screw mandrel (13) has kidney-shaped groove vertically, described screw mandrel (13) arranges nut, and the piston rod of described cylinder (14) can stretch in kidney-shaped groove.
4. quenching device according to claim 1, it is characterized in that: also comprise and hang hurdle guide frame, the described hurdle guide frame that hangs comprises guide (15) and guide rod (16), the bottom of described guide (15) is fixed on the bottom of quenching tank inside groove (2), the top of guide rod (16) is fixed on the bottom of hanging hurdle, the bottom of guide rod (16) is arranged in guide (15), and along with hanging moving up and down of hurdle and to-and-fro movement in guide (15).
5. the quenching device according to any one of Claims 1-4, it is characterized in that: also comprise raising legs guide rail (17), the bottom of described raising legs guide rail (17) is fixed in quenching tank inside groove (2), the top of described raising legs guide rail (17) is fixed on the top of quenching tank water jacket (1), the described two ends of hanging hurdle are provided with roller (18), and described roller (18) and described raising legs guide rail (17) form vertical rolling pair.
6. the quenching device according to any one of Claims 1-4, it is characterized in that: all conveying rollers (4) are connected by a chain or belt, and wherein any conveying roller (4) is also connected with the output shaft of conveying roller motor (5) by chain or belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520511283.6U CN204779693U (en) | 2015-07-15 | 2015-07-15 | Guenching unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520511283.6U CN204779693U (en) | 2015-07-15 | 2015-07-15 | Guenching unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204779693U true CN204779693U (en) | 2015-11-18 |
Family
ID=54519783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520511283.6U Withdrawn - After Issue CN204779693U (en) | 2015-07-15 | 2015-07-15 | Guenching unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204779693U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108396120A (en) * | 2018-05-31 | 2018-08-14 | 安徽扬子职业技术学院 | A kind of temperature control quenching unit of automobile gear of synchronizer |
| RU2755357C1 (en) * | 2020-11-09 | 2021-09-15 | Федеральное государственное бюджетное образовательное учреждение высшего образования. "Юго-Западный государственный университет" (ЮЗГУ) | Unit for quenching steel parts |
-
2015
- 2015-07-15 CN CN201520511283.6U patent/CN204779693U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108396120A (en) * | 2018-05-31 | 2018-08-14 | 安徽扬子职业技术学院 | A kind of temperature control quenching unit of automobile gear of synchronizer |
| RU2755357C1 (en) * | 2020-11-09 | 2021-09-15 | Федеральное государственное бюджетное образовательное учреждение высшего образования. "Юго-Западный государственный университет" (ЮЗГУ) | Unit for quenching steel parts |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151118 Effective date of abandoning: 20171114 |