CN215162935U - Nearly free fall formula is from closing cap oil-quenching groove - Google Patents
Nearly free fall formula is from closing cap oil-quenching groove Download PDFInfo
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- CN215162935U CN215162935U CN202022880429.8U CN202022880429U CN215162935U CN 215162935 U CN215162935 U CN 215162935U CN 202022880429 U CN202022880429 U CN 202022880429U CN 215162935 U CN215162935 U CN 215162935U
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- oil
- sealing cover
- quenching
- groove body
- free fall
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- 238000010791 quenching Methods 0.000 title claims abstract description 82
- 230000000171 quenching effect Effects 0.000 claims abstract description 72
- 238000007789 sealing Methods 0.000 claims abstract description 66
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 238000003756 stirring Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a near free fall type self-sealing quenching oil tank, which comprises an oil tank body, wherein the oil tank body is close to two sides of an upper port and is respectively provided with a first sealing cover and a second sealing cover, the rear end of the oil tank body is provided with a third sealing cover, and the first sealing cover, the second sealing cover and the third sealing cover all have free rotation functions; stirring devices are arranged on two sides of the oil tank body, and the quenching oil is continuously stirred and extruded by the stirring devices, so that the quenching oil is sprayed out from an oil outlet of a flow guide box at the bottom of the oil tank body to form flowing circulation of the quenching oil; and the front end and the rear end of the oil groove body are respectively provided with an oil cooling circulating device for realizing oil circulating cooling. Compared with the prior art, the utility model can effectively ensure the quenching quality of the workpiece and meet the requirement of environmental protection.
Description
Technical Field
The utility model relates to the technical field of hydraulic crushing engineering machinery, in particular to a near free fall type self-sealing cover quenching oil tank.
Background
The piston (piston) is the most important part of a hydraulic breaker (hydraulic impact hammer). The long piston (hereinafter referred to as a workpiece) is easy to bend and deform during quenching and cooling, and if the workpiece quenched after carburization deforms too much, the processing cost is increased (the depth of a carburized layer is increased, and the carburized layer at each position after processing is uneven due to deformation, so that early failure is caused, and the like), and even the workpiece is directly scrapped after quenching.
At present, the austenitized workpiece is quickly, vertically and stably oiled during quenching and cooling, and the cooling has very important significance for deformation of the workpiece and obtaining a good microstructure. Based on the above, a novel oil quenching tank which not only meets the above quenching quality requirements, but also is environment-friendly is researched.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects, the utility model aims to provide a nearly free fall type self-sealing cover quenching oil tank which can effectively ensure the quenching quality of workpieces and meet the requirements of environmental protection.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a near-free-fall type self-sealing oil quenching tank comprises an oil tank body, wherein a first sealing cover and a second sealing cover are respectively arranged on two sides of an upper port of the oil tank body, the two sides of the upper port are close to the oil tank body, a third sealing cover is arranged at the rear end of the oil tank body, and the first sealing cover, the second sealing cover and the third sealing cover have free rotation functions;
stirring devices are arranged on two sides of the oil tank body, and the quenching oil is continuously stirred and extruded by the stirring devices, so that the quenching oil is sprayed out from an oil outlet of a flow guide box at the bottom of the oil tank body to form flowing circulation of the quenching oil;
the front end and the rear end of the oil groove body are respectively provided with an oil cooling circulating device for realizing oil circulating cooling;
the quenching trolley is connected with a lifting power device through a chain transmission mechanism, so that the quenching trolley moves in the vertical direction of the two rail grooves through the guide wheels;
and the two sides of the quenching trolley are respectively provided with a first roller ejector rod for opening the first sealing cover and the second sealing cover when the quenching trolley ascends, and the rear end of the quenching trolley is provided with a second roller ejector rod for opening the third sealing cover when the quenching trolley ascends.
Further, oil cooling circulating device includes an oil cooling circulating pump of locating the oil groove body outside, and inside inlet pipeline and the export pipeline of this oil cooling circulating pump stretched into the oil groove body respectively, and inlet pipeline end and export pipeline end-to-end connection, be equipped with the water cooling machine between export pipeline and the oil cooling circulating pump.
The first sealing cover, the second sealing cover and the third sealing cover are respectively connected with bearing seats, each bearing seat is fixed on the surface of the oil groove body, and the first sealing cover, the second sealing cover and the third sealing cover rotate through each bearing seat.
The lifting power device comprises a lifting oil cylinder arranged outside the oil groove body, and the lifting oil cylinder drives the quenching trolley to lift through a chain transmission mechanism when working.
The oil groove body is internally provided with a heating device, and the heating device comprises a temperature sensor for monitoring the oil temperature.
Agitating unit is including the inverter motor who locates the oil groove body outside, the inverter motor output shaft passes through belt transmission and drives the (mixing) shaft rotatory, the (mixing) shaft is close to the bottom and is equipped with double-deck blade, and in the inside churn of oil groove body was located to the (mixing) shaft, this churn outer wall symmetry was equipped with trompil shape hydraulic fluid port.
And the tops of the first roller ejector rod and the second roller ejector rod are both provided with rollers.
The periphery of the belt transmission in the stirring device and the periphery of the chain transmission in the lifting power device are both provided with a reticular protective cover.
And a plurality of constant-diameter through holes are uniformly distributed on the surface of the outlet of the flow guide box and used for uniformly spraying and relieving pressure of quenching oil.
The lifting oil cylinder controls the extending speed through the electromagnetic valve, and the quenching trolley drives the workpiece to drop into oil in an approximately free-falling body manner.
The invention has the beneficial effects that: the movable sealing cover automatically and synchronously moves along with the quenching trolley without additionally arranging a power device, the movement track does not need manual intervention, the movement synchronism is good, the energy is saved, the consumption is reduced, and the labor intensity is reduced;
a certain number of uniformly distributed equal-diameter through holes are formed in the outlet plane of the flow guide box, quenching oil is quickly and uniformly sprayed through the through holes for pressure relief, a formed turbulent flow field uniformly flows around a workpiece, the cooling speed of each cross section of the workpiece is consistent, and bending deformation is reduced;
the extending speed of the lifting oil cylinder is controlled by controlling the opening of the valve, so that the workpiece can fall into oil in a nearly free falling body, no oil smoke is generated in the whole process, active oil smoke collecting equipment can be omitted, and the aims of energy conservation and environmental protection are fulfilled;
the quenching trolley for placing the workpiece before quenching is positioned above the oil surface, so that a series of potential safety hazards that the overhead traveling crane burns out the overhead traveling crane and causes fire and the like due to the fact that the overhead traveling crane drives the workpiece to enter the oil slowly are overcome.
Drawings
The structure and features of the present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a top view of fig. 1.
In the attached drawings 1-3, 1 is an oil groove body, 2 is a first sealing cover, 3 is a third sealing cover, 4 is a second sealing cover, 5 is a flow guide box, 6 is a stirring device, 7 is a lifting cylinder, 8 is a chain transmission mechanism, 9 is an oil cooling circulating device, 10 is a second roller ejector rod, 11 is a first roller ejector rod, 12 is a quenching trolley, 13 is a heating device, 14 is a net-shaped protective cover, 15 is a variable frequency motor, 16 is a track groove, 17 is a long hole-shaped oil port, 18 is a stirring cylinder, 19 is a double-layer blade, 20 is a stirring shaft, and 21 is an oil cooling circulating pump.
Detailed Description
Referring to the accompanying drawings, fig. 1-2 show an embodiment of the present invention, which discloses a near free fall type self-sealing oil quenching tank, comprising an oil tank body 1, wherein the oil tank body 1 is close to the two sides of the upper port and is provided with a first sealing cover 2 and a second sealing cover 4 respectively, the rear end of the oil tank body is provided with a third sealing cover 3, and the first sealing cover 2, the second sealing cover 4 and the third sealing cover 3 all have free rotation functions.
Stirring devices 6 are arranged on two sides of the oil tank body 1, and the quenching oil is continuously stirred and extruded by the stirring devices 6, so that the quenching oil is sprayed out of an oil outlet of a flow guide box 5 at the bottom of the oil tank body 1 to form flowing circulation of the quenching oil; a plurality of equal-diameter through holes are uniformly distributed on the surface of an outlet of the flow guide box 5, so that the quenching oil is uniformly sprayed and decompressed.
The front end and the rear end of the oil groove body 1 are respectively provided with an oil cooling circulating device 9 for realizing oil circulating cooling, the oil cooling circulating device 9 comprises an oil cooling circulating pump 21 arranged outside the oil groove body 1, an inlet pipeline and an outlet pipeline of the oil cooling circulating pump 21 respectively extend into the oil groove body, the tail end of the inlet pipeline is connected with the tail end of the outlet pipeline, and a water cooling machine is arranged between the outlet pipeline and the oil cooling circulating pump 21; during operation, an oil cooling circulating pump 21 in the oil cooling circulating device 9 is started, oil is circularly conveyed through an inlet pipeline and an outlet pipeline, and the temperature of the oil is adjusted in real time according to the monitoring of the heating device 13 on the temperature under the action of the water cooling machine.
Two rail grooves 16 are arranged in the oil groove body 1 in the vertical direction, a quenching trolley 12 is arranged between the two rail grooves 16, the quenching trolley 12 vertically corresponds to the guide box 5 in the vertical direction, guide wheels are arranged on two sides of the quenching trolley 12, and the quenching trolley 12 is connected with a lifting power device through a chain transmission mechanism so that the quenching trolley 12 vertically moves in the two rail grooves 16 through the guide wheels; the lifting oil cylinder 7 controls the extension speed through an electromagnetic valve, so that the quenching trolley 12 drives a workpiece to descend into oil in an approximately free-falling mode, the lifting oil cylinder 7 retracts and simultaneously drives the quenching trolley 12 to ascend along the track groove, the first roller ejector rod 11 contacts the first sealing cover 2 and the second sealing cover 4, the second roller ejector rod 10 contacts the third sealing cover 3, the rollers contact the sealing covers and roll and move upwards until the bottom surface of the quenching trolley 12 is separated from the oil surface, at the moment, the lifting oil cylinder 7 retracts completely, and the movable sealing cover is opened to the maximum position.
And a first roller ejector rod 11 is respectively arranged at two sides of the quenching trolley 12 and used for opening the first sealing cover 2 and the second sealing cover 4 when the quenching trolley 12 ascends, and a second roller ejector rod 10 is arranged at the rear end of the quenching trolley 12 and used for opening the third sealing cover 3 when the quenching trolley 12 ascends.
The first sealing cover 2, the second sealing cover 4 and the third sealing cover 3 are respectively connected with bearing seats, each bearing seat is fixed on the surface of the oil groove body 1, and the first sealing cover 2, the second sealing cover 4 and the third sealing cover 3 can freely rotate through each bearing seat.
The lifting power device comprises a lifting oil cylinder 7 arranged outside the oil groove body 1, and the lifting oil cylinder 7 drives the quenching trolley 12 to lift through a chain transmission mechanism when working.
A heating device 13 is arranged inside the oil groove body 1, and the heating device 13 comprises a temperature sensor for monitoring the oil temperature; during working, the heating device 13 is started, and the stirring device 6 is started at regular time until the quenching oil reaches the set temperature;
the stirring device 6 comprises a variable frequency motor 15 arranged outside the oil tank body 1, an output shaft of the variable frequency motor 15 drives a stirring shaft 20 to rotate through belt transmission, a double-layer blade 19 is arranged near the bottom end of the stirring shaft 20, the stirring shaft 20 is arranged in a stirring cylinder 18 in the oil tank body 1, and long hole-shaped oil ports 17 are symmetrically arranged on the outer wall of the stirring cylinder 18; when the quenching oil circulation device works, the variable frequency motor 15 drives the stirring shaft 20 to rotate through belt transmission, the double-layer blades 19 rotate to extrude quenching oil to pass through the flow guide box 5, the periphery of the outer wall of the stirring cylinder 18 is symmetrically provided with the long-hole-shaped oil ports 17, and the quenching oil is sprayed out through the plane of the oil outlet of the flow guide box 5 and continuously runs to form flow circulation.
And rollers are arranged at the tops of the first roller ejector rod 11 and the second roller ejector rod 10.
The periphery of the belt transmission in the stirring device 6 and the periphery of the chain transmission in the lifting power device are both provided with a reticular protective cover 14.
During quenching, a charging basket with a workpiece is hoisted to the upper surface of a quenching trolley 12, the quenching trolley 12 is located above the oil level, the corresponding upper part of a diversion box 5 at the bottom of an oil groove body, the workpiece and the quenching trolley 12 descend along with a chain transmission mechanism 8 at an acceleration close to a free falling body through the extension of a lifting oil cylinder 7, meanwhile, a movable sealing cover quickly closes along with the descending of a roller mandril, the upper end opening part of a groove body 1 is completely closed until the workpiece is at a horizontal position, the workpiece stops moving after touching a horizontal support arranged at the bottom of the groove body 1 along with the bottom surface of the quenching trolley 12, the plane of the quenching trolley 12 is kept horizontal, the workpiece is immersed in oil in a vertical state and stably stops above the outlet plane of the diversion box 5, quenching oil circularly flows around the workpiece along with an oil cooling circulating device 9 and a stirring device 6, and the quenching process is completed by cooling at a set speed.
The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention, and any decoration, modification or equivalent replacement made by those skilled in the art according to the above description all belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides a nearly free fall formula is from closing lid oil groove that quenches, includes an oil groove body, its characterized in that: the oil groove body is respectively provided with a first sealing cover and a second sealing cover close to two sides of an upper port, the rear end of the oil groove body is provided with a third sealing cover, and the first sealing cover, the second sealing cover and the third sealing cover have free rotation functions;
stirring devices are arranged on two sides of the oil tank body, and the quenching oil is continuously stirred and extruded by the stirring devices, so that the quenching oil is sprayed out from an oil outlet of a flow guide box at the bottom of the oil tank body to form flowing circulation of the quenching oil;
the front end and the rear end of the oil groove body are respectively provided with an oil cooling circulating device for realizing oil circulating cooling;
the quenching trolley is connected with a lifting power device through a chain transmission mechanism, so that the quenching trolley moves in the vertical direction of the two rail grooves through the guide wheels;
and the two sides of the quenching trolley are respectively provided with a first roller ejector rod for opening the first sealing cover and the second sealing cover when the quenching trolley ascends, and the rear end of the quenching trolley is provided with a second roller ejector rod for opening the third sealing cover when the quenching trolley ascends.
2. The near free fall self-capping quench oil sump of claim 1, wherein: the oil cooling circulating device comprises an oil cooling circulating pump arranged outside the oil groove body, an inlet pipeline and an outlet pipeline of the oil cooling circulating pump respectively extend into the oil groove body, the inlet pipeline is connected with the tail end of the outlet pipeline, and a water cooling machine is arranged between the outlet pipeline and the oil cooling circulating pump.
3. The near free fall self-capping quench oil sump of claim 1, wherein: the first sealing cover, the second sealing cover and the third sealing cover are respectively connected with bearing seats, each bearing seat is fixed on the surface of the oil groove body, and the first sealing cover, the second sealing cover and the third sealing cover rotate through each bearing seat.
4. The near free fall self-capping quench oil sump of claim 1, wherein: the lifting power device comprises a lifting oil cylinder arranged outside the oil groove body, and the lifting oil cylinder drives the quenching trolley to lift through a chain transmission mechanism when working.
5. The near free fall self-capping quench oil sump of claim 1, wherein: the oil groove body is internally provided with a heating device, and the heating device comprises a temperature sensor for monitoring the oil temperature.
6. The near free fall self-capping quench oil sump of claim 1, wherein: agitating unit is including the inverter motor who locates the oil groove body outside, the inverter motor output shaft passes through belt transmission and drives the (mixing) shaft rotatory, the (mixing) shaft is close to the bottom and is equipped with double-deck blade, and in the inside churn of oil groove body was located to the (mixing) shaft, this churn outer wall symmetry was equipped with trompil shape hydraulic fluid port.
7. The near free fall self-capping quench oil sump of claim 1, wherein: and the tops of the first roller ejector rod and the second roller ejector rod are both provided with rollers.
8. The near free fall self-capping quench oil sump of claim 6, wherein: the periphery of the belt transmission in the stirring device and the periphery of the chain transmission in the lifting power device are both provided with a reticular protective cover.
9. The near free fall self-capping quench oil sump of claim 1, wherein: and a plurality of constant-diameter through holes are uniformly distributed on the surface of the outlet of the flow guide box and used for uniformly spraying and relieving pressure of quenching oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022880429.8U CN215162935U (en) | 2020-12-04 | 2020-12-04 | Nearly free fall formula is from closing cap oil-quenching groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022880429.8U CN215162935U (en) | 2020-12-04 | 2020-12-04 | Nearly free fall formula is from closing cap oil-quenching groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215162935U true CN215162935U (en) | 2021-12-14 |
Family
ID=79350939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022880429.8U Expired - Fee Related CN215162935U (en) | 2020-12-04 | 2020-12-04 | Nearly free fall formula is from closing cap oil-quenching groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215162935U (en) |
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2020
- 2020-12-04 CN CN202022880429.8U patent/CN215162935U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |