CN109234503B - Quenching device for barrel-shaped workpiece - Google Patents
Quenching device for barrel-shaped workpiece Download PDFInfo
- Publication number
- CN109234503B CN109234503B CN201811222972.XA CN201811222972A CN109234503B CN 109234503 B CN109234503 B CN 109234503B CN 201811222972 A CN201811222972 A CN 201811222972A CN 109234503 B CN109234503 B CN 109234503B
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- quenching
- barrel
- rotating shaft
- shaped workpiece
- liquid
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- 238000010791 quenching Methods 0.000 title claims abstract description 124
- 230000000171 quenching effect Effects 0.000 title claims abstract description 122
- 239000007788 liquid Substances 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 238000005507 spraying Methods 0.000 claims abstract description 11
- 239000000872 buffer Substances 0.000 claims abstract description 7
- 239000000110 cooling liquid Substances 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010924 continuous production Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 10
- 239000007921 spray Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray quenching
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a quenching device for a barrel-shaped workpiece, which comprises a power transmission mechanism, a quenching liquid circulation mechanism and a controller, wherein the quenching mechanism comprises a base and a quenching tank arranged at the upper part of the base, a chassis is arranged in the quenching tank, a rotating shaft is arranged at the center of the chassis, a plurality of quenching drums are uniformly distributed on the chassis by taking the rotating shaft as the center, the top opening of each quenching drum is convenient for placing the barrel-shaped workpiece, and a spring buffer contacted with the open end of the barrel-shaped workpiece and a liquid spraying pipe capable of reaching the inner cavity of the barrel-shaped workpiece are respectively arranged at the bottom of each quenching drum; the two ends of the rotating shaft are respectively connected with a bearing seat, wherein the top end of the rotating shaft is connected with a power transmission mechanism, and the bottom end of the rotating shaft is fixed with a hollow pipe. Compared with the prior art, the invention can lead the metallographic structures of the inner surface and the outer surface of the workpiece to be consistent, has convenient and accurate operation, ensures the product quality, can realize continuous production and improves the production efficiency, and can be used for the quenching treatment of the cylindrical workpiece and the shaft workpiece.
Description
Technical Field
The invention relates to the technical field of heat treatment, in particular to a quenching device for a barrel-shaped workpiece.
Background
In the production process of a company, a barrel-shaped workpiece is arranged, the inner hole is not communicated, the workpiece is directly placed into a quenching medium for quenching after being heated according to a traditional quenching mode, the quenching medium entering the inner cavity of the workpiece is not smooth in circulation, so that heat dissipation is slow, the difference exists between the quenching medium and the quenching speed (temperature) outside the workpiece, the metallographic structure of the quenched workpiece is inconsistent, the mechanical performance cannot meet the requirement of the drawing, the quenching is uneven, and the qualification rate of the product is low. In order to solve the problem of non-uniformity of mechanical properties of the quenched workpieces, the quenching device is designed and manufactured, so that the quenching uniformity of barrel-shaped workpieces is well solved, and the product percent of pass and the production efficiency are improved.
Disclosure of Invention
In order to solve the defects, the invention aims to provide a quenching device for barrel-shaped workpieces, which is uniform in quenching, so that the quenched barrel-shaped workpieces meet the consistency of metallographic structures, meet the requirement of mechanical properties, and improve the product qualification rate and the production efficiency.
In order to achieve the above purpose, the invention adopts the following technical scheme: the quenching device for the barrel-shaped workpiece comprises a power transmission mechanism, a quenching liquid circulation mechanism and a controller, wherein the quenching mechanism comprises a base and a quenching tank arranged at the upper part of the base, a chassis is arranged in the quenching tank, a rotating shaft is arranged at the center of the chassis, a plurality of quenching drums are uniformly distributed on the chassis by taking the rotating shaft as the center, the top opening of each quenching drum is convenient for placing the barrel-shaped workpiece, and a spring buffer contacted with the opening end of the barrel-shaped workpiece and a liquid spraying pipe capable of reaching the inner cavity of the barrel-shaped workpiece are respectively arranged at the bottom of each quenching drum; the two ends of the rotating shaft are respectively connected with a bearing seat, wherein the top end of the rotating shaft is connected with a power transmission mechanism, the bottom end of the rotating shaft is fixed with a hollow pipe, the outer wall of the hollow pipe is provided with a plurality of liquid distribution pipes, each liquid distribution pipe is respectively and correspondingly connected with a liquid spraying pipe, the lower part of the hollow pipe is communicated with a flow divider, and the flow divider is static when the rotating shaft drives the hollow pipe to rotate through the power transmission mechanism; the quenching liquid circulation mechanism comprises a cooling liquid pump, one end of the cooling liquid pump is connected with the flow divider through a liquid inlet pipe, the other end of the cooling liquid pump is connected with an overflow cavity through a liquid return pipe, the overflow cavity is arranged on one side, close to the top, of the quenching tank, and the overflow cavity is communicated with the quenching tank; the controller controls the normal operation of the power transmission mechanism and the coolant pump.
Further, the power transmission mechanism comprises a transmission motor arranged on one side of the quenching mechanism, and a driving sprocket is arranged at the output end of the transmission motor.
The top end of the rotating shaft is also connected with a driven sprocket, and the driven sprocket is connected with the driving sprocket.
And three positioning rib plates are arranged on the inner wall of the quenching cylinder and are used for positioning the barrel-shaped workpiece.
And quenching liquid valves are arranged on the liquid inlet pipe and the liquid return pipe.
6 quenching cylinders are uniformly distributed on the chassis by taking the rotating shaft as the center, and the quenching cylinders are cylindrical.
The outer wall of the rotating shaft is provided with a sleeve, and the outer wall of the sleeve is provided with a fixed support connected with the outside of the quenching cylinder.
When quenching, the mouth of the heated barrel-shaped workpiece is downward and is placed into a quenching cylinder in a quenching tank, the mouth of the workpiece is contacted with a spring buffer at the bottom of the quenching cylinder, a liquid spraying pipe with proper length is arranged at the bottom of the quenching cylinder to reach a proper position of the inner cavity of the workpiece, and quenching liquid flowing out of the liquid spraying pipe helps the inner cavity of the workpiece to be cooled, so that the cooling speed of the liquid spraying pipe is consistent with the cooling speed of the outer surface of the workpiece; during quenching, along with the continuous increase of quenching liquid in the quenching tank, the liquid level is increased and then flows back into the quenching medium tank through the overflow tank, the quenching liquid flowing back into the quenching medium tank is cooled to a specified temperature through the cooling unit and then is sent into the quenching tank through the pump and the pipeline for recycling, the quenching cylinder in the quenching tank rotates through the central shaft and rotates in the quenching tank, the rotation speed (quenching time) of a workpiece is determined by factors such as the material and the length of the workpiece, and the like, and the quenching speed can be set through the controller.
The quenching tank is formed by welding steel plates, is cylindrical in shape and is provided with an overflow tank, bearing seats for installing rotating shafts are arranged at the top and the bottom of the quenching tank, and the quenching tank is arranged on a base formed by welding I-steel; the quenching cylinder is formed by uniformly distributing and connecting 6 radial cylindrical bobbins with holes on the circumference of a rotating shaft, the rotating shaft is installed together with an upper bearing seat and a lower bearing seat in a quenching tank, a spring buffer and a protruded spray pipe are arranged at the bottom of the quenching cylinder, and three positioning rib plates are arranged on the cylinder wall, so that a workpiece is positioned at a correct position in the quenching cylinder, and the quenching speed of the workpiece is kept consistent; the chain wheel on the rotating shaft is connected with the speed reducer and the servo motor through a chain to carry out power transmission, so that the rotating shaft is ensured to drive 6 quenching drums to rotate at a specified speed; the transmission motor is arranged at one side of the quenching tank; the cooling liquid pump is used for completing the conveying and cooling of the quenching liquid, and the temperature of the quenching liquid is ensured to be within a specified range.
Compared with the prior art, the invention adopts 6 quenching drums to rotate in the quenching tank at a certain speed, and the quenching liquid spray pipe extending into the inner cavity of the workpiece is arranged at the bottom of the quenching drum to carry out forced circulation cooling on the quenched workpiece, so that the metallographic structure of the inner surface and the outer surface of the workpiece is consistent, the operation is convenient and accurate, the product quality is ensured, the continuous production can be realized, and the production efficiency is improved.
Drawings
The structure and features of the present invention are further described below with reference to the drawings and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the quenching mechanism according to the present invention.
In FIGS. 1 and 2, 1. Motor support, 2. Drive sprocket, 3. Drive motor, 4. Chain, 5. Driven sprocket, 6. Quench tank, 7. Quench tank, 8. Base, 9. Quench valve, 10. Feed pipe, 11. Coolant pump, 12. Return pipe, 13. Controller, 14. Overflow tank, 15. Shaft, 16. Quench tank cover, 17. Upper bearing block, 18. Bucket, 19. Spray pipe, 20. Spring buffer, 21. Hollow pipe, 22. Diverter, 23. Lower bearing block, 24. Distribution pipe, 25. Chassis.
Detailed Description
Fig. 1 and 2 are diagrams showing an embodiment of the present invention, and disclose a quenching apparatus for barrel-shaped workpieces, which is composed of a motor bracket 1, a driving sprocket 2, a driving motor 3, a chain 4, a driven sprocket 5, a quenching tank 6, a quenching cylinder 7, a base 8, a valve 9, a liquid inlet pipe 10, a cooling liquid pump 11, a liquid return pipe 12 and a controller 1, wherein the motor bracket 1 is formed by welding profiles for installing the driving motor 3 and the driving sprocket 2; the center of the quenching tank 6 is provided with a rotating shaft 15, the upper part of the rotating shaft 15 is provided with an upper bearing seat 17 and a driven chain wheel 5, the driven chain wheel 5 is connected with a driving chain wheel 2 through a chain 4 to finish power transmission, the rotating shaft 15 is driven to rotate according to a certain rotating speed (the rotating speed is regulated according to the cooling speed), 6 quenching drums 7 are arranged in the quenching tank 6, barrel-shaped workpieces 18 are respectively placed in the 6 quenching drums and rotate together with the rotating shaft 15, the mouth part of each barrel-shaped workpiece 18 is downward when being quenched, a liquid spraying pipe 19 is inserted into the inner cavity of each barrel-shaped workpiece 18 in the quenching drum 7, the cooling speed of the inside and the outside of each barrel-shaped workpiece 18 is ensured to be consistent, and a lower bearing seat 23 and a shunt 22 are arranged at the lower part (the bottom of the quenching tank) of the rotating shaft 15 to ensure that the 6 quenching drums 7 and the barrel-shaped workpieces 18 are positioned and rotated correctly; along with the continuous entering of the quenching liquid, after the liquid level of the quenching tank 6 rises to a certain position, the redundant quenching liquid returns to the cooling liquid pump 11 through the overflow tank 14 and the liquid return pipe 12 for cooling, and is conveyed to the quenching tank 6 for recycling through the liquid inlet pipe 10 after being cooled to a specified temperature, and the quenching process parameters of different workpieces can be adjusted and set through the controller.
When the embodiment of the invention works, the transmission motor is started to enable the six quenching drums to rotate, the cooling liquid pump 11 is started, after the quenching liquid reaches the specified temperature, the barrel-shaped workpieces 18 are sequentially placed into the quenching drums 7 in the quenching tank, the opening parts of the barrel-shaped workpieces 18 face downwards and are in contact with the end faces of the spring buffers 20, the liquid spraying pipes 10 are positioned in the barrel-shaped workpieces 18, the quenching liquid is conveyed to the liquid spraying pipes 19 in the six quenching drums 7 through the liquid inlet pipes 10 and the current divider 22, quenching cooling in the barrel-shaped workpieces is realized and is carried out together with external cooling of the barrel-shaped workpieces, the technical problem that metallographic structures are unqualified due to unsmooth inner cavity circulation when the barrel-shaped workpieces are quenched is solved, and through practical verification, the quenching effect is good and the product requirement is well met.
Through the working mode, the technical problem that the metallographic structure is unqualified due to unsmooth circulation of the inner cavity during quenching of the barrel-shaped workpiece can be well solved. Through practical verification, the quenching effect is good, and the requirements of products are well met.
The above description is only of the preferred embodiments of the present invention, and the above embodiments are not intended to limit the present invention, and those skilled in the art may make modifications, adaptations or equivalent substitutions according to the above description, which fall within the scope of the present invention.
Claims (5)
1. A quenching device for a barrel-shaped workpiece, characterized in that: the quenching device comprises a power transmission mechanism, a quenching liquid circulation mechanism and a controller, wherein the quenching mechanism comprises a base and a quenching tank arranged at the upper part of the base, a chassis is arranged in the quenching tank, a rotating shaft is arranged at the center of the chassis, a plurality of quenching drums are uniformly distributed on the chassis by taking the rotating shaft as the center, the top opening of each quenching drum is convenient for placing a barrel-shaped workpiece, and a spring buffer contacted with the opening end of the barrel-shaped workpiece and a liquid spraying pipe capable of reaching the inner cavity of the barrel-shaped workpiece are respectively arranged at the bottom of each quenching drum; the outer wall of the rotating shaft is provided with a sleeve, and the outer wall of the sleeve is provided with a fixed support connected with the outside of the quenching cylinder; the two ends of the rotating shaft are respectively connected with a bearing seat, wherein the top end of the rotating shaft is connected with a power transmission mechanism, the bottom end of the rotating shaft is fixed with a hollow pipe, the outer wall of the hollow pipe is provided with a plurality of liquid distribution pipes, each liquid distribution pipe is respectively and correspondingly connected with a liquid spraying pipe, the lower part of the hollow pipe is communicated with a flow divider, and the flow divider is static when the rotating shaft drives the hollow pipe to rotate through the power transmission mechanism; the quenching liquid circulation mechanism comprises a cooling liquid pump, one end of the cooling liquid pump is connected with the flow divider through a liquid inlet pipe, the other end of the cooling liquid pump is connected with an overflow cavity through a liquid return pipe, the overflow cavity is arranged on one side, close to the top, of the quenching tank, and the overflow cavity is communicated with the quenching tank; the controller controls the power transmission mechanism and the coolant pump to work normally; and quenching liquid valves are arranged on the liquid inlet pipe and the liquid return pipe.
2. The quenching apparatus for a barrel-shaped workpiece as recited in claim 1, wherein: the power transmission mechanism comprises a transmission motor arranged on one side of the quenching mechanism, and a driving sprocket is arranged at the output end of the transmission motor.
3. The quenching apparatus for a barrel-shaped workpiece as recited in claim 2, wherein: the top end of the rotating shaft is also connected with a driven sprocket, and the driven sprocket is connected with the driving sprocket.
4. The quenching apparatus for a barrel-shaped workpiece as recited in claim 1, wherein: and three positioning rib plates are arranged on the inner wall of the quenching cylinder and are used for positioning the barrel-shaped workpiece.
5. The quenching apparatus for a barrel-shaped workpiece as recited in claim 1, wherein: 6 quenching cylinders are uniformly distributed on the chassis by taking the rotating shaft as the center, and the quenching cylinders are cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222972.XA CN109234503B (en) | 2018-10-19 | 2018-10-19 | Quenching device for barrel-shaped workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222972.XA CN109234503B (en) | 2018-10-19 | 2018-10-19 | Quenching device for barrel-shaped workpiece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109234503A CN109234503A (en) | 2019-01-18 |
| CN109234503B true CN109234503B (en) | 2024-02-13 |
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ID=65080818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811222972.XA Active CN109234503B (en) | 2018-10-19 | 2018-10-19 | Quenching device for barrel-shaped workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109234503B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112899451A (en) * | 2021-01-18 | 2021-06-04 | 金红 | Composite steel quenching method |
| CN115354124B (en) * | 2022-08-24 | 2023-12-26 | 江苏中浮动力科技有限公司 | Intelligent metal material quenching device capable of heating in partitioned mode |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08120329A (en) * | 1994-10-26 | 1996-05-14 | Fuji Denshi Kogyo Kk | Device for cooling inner surface of cylindrical work having thickness difference |
| JP2001131632A (en) * | 1999-10-29 | 2001-05-15 | Fuji Electronics Industry Co Ltd | Inside cooling jacket for cylindrical work |
| CN201762388U (en) * | 2010-07-06 | 2011-03-16 | 河南宇建矿业技术有限公司 | Bottom-spraying quenching device |
| CN209113956U (en) * | 2018-10-19 | 2019-07-16 | 河南北方红阳机电有限公司 | A kind of quenching unit for barrel-shaped workpiece |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6620374B2 (en) * | 2001-05-31 | 2003-09-16 | Pillar Industries | Induction heat-treating of threaded fasteners with a rotary conveyor |
| US6656413B2 (en) * | 2001-06-21 | 2003-12-02 | Can-Eng Furnaces Ltd | Method and apparatus for quenching metal workpieces |
-
2018
- 2018-10-19 CN CN201811222972.XA patent/CN109234503B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08120329A (en) * | 1994-10-26 | 1996-05-14 | Fuji Denshi Kogyo Kk | Device for cooling inner surface of cylindrical work having thickness difference |
| JP2001131632A (en) * | 1999-10-29 | 2001-05-15 | Fuji Electronics Industry Co Ltd | Inside cooling jacket for cylindrical work |
| CN201762388U (en) * | 2010-07-06 | 2011-03-16 | 河南宇建矿业技术有限公司 | Bottom-spraying quenching device |
| CN209113956U (en) * | 2018-10-19 | 2019-07-16 | 河南北方红阳机电有限公司 | A kind of quenching unit for barrel-shaped workpiece |
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| Publication number | Publication date |
|---|---|
| CN109234503A (en) | 2019-01-18 |
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