CN210657058U - Vacuum oil quenching furnace - Google Patents
Vacuum oil quenching furnace Download PDFInfo
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- CN210657058U CN210657058U CN201921564659.4U CN201921564659U CN210657058U CN 210657058 U CN210657058 U CN 210657058U CN 201921564659 U CN201921564659 U CN 201921564659U CN 210657058 U CN210657058 U CN 210657058U
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Abstract
The utility model relates to a vacuum oil quenching furnace, which comprises a base, wherein the upper end of the base is provided with a cylindrical furnace body with an opening at the left end along the left-right direction, the left end of the furnace body is hinged with a furnace door, and the inner wall of the left end of the furnace body is uniformly provided with heating wires; the furnace body left end is provided with two first horizontal chutes that extend along left and right directions, it is provided with the feeding dolly to slide in two first horizontal chutes, the fixed limiting plate that is provided with in right-hand member middle part of feeding dolly, the fixed traction block that is provided with in upper end right side of limiting plate, furnace body right-hand member below is provided with upper end open-ended oil groove, the top of oil groove is provided with two second horizontal chutes that extend along left and right directions, two second horizontal chutes are located the extension line of first horizontal chute respectively, the vertical second pneumatic cylinder that is provided with in upper end of second horizontal chute, be provided with electric capstan on the furnace body inner wall on second horizontal chute right side, the furnace body outside is provided with and link up the evacuation.
Description
Technical Field
The utility model relates to a vacuum furnace technical field especially relates to a vacuum oil quenching furnace.
Background
In the metal processing process, quenching is an important process, and quenching mainly refers to rapidly cooling a steel material from a high-temperature austenite region to obtain a certain specific low-temperature structure, such as martensite, bainite and the like, generally water, oil or a low-temperature salt bath is used for cooling, when oil is used as a quenching liquid, in order to prevent oil from exploding at a high temperature, a quenching environment is generally required to be kept in vacuum, the temperature of the quenched oil after quenching is high, heat dissipation is required for a long time, a part of current quenching furnaces are not provided with a quenching liquid active cooling device, the heat dissipation of the quenching liquid needs to be carried out for a long time, and the working efficiency is influenced, so that the development of a vacuum oil quenching furnace capable of cooling the quenching liquid is particularly necessary.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vacuum oil quenching stove can quench and can cool off the quenching liquid after quenching.
The technical scheme is as follows:
a vacuum oil quenching furnace comprises a base, wherein a cylindrical furnace body is arranged at the upper end of the base along the left-right direction, the left end of the furnace body is provided with an opening, the left end of the furnace body is hinged with a furnace door, and heating wires are uniformly arranged on the inner wall of the left part of the furnace body; the furnace body left end is provided with two first horizontal chutes that extend along left and right directions, first horizontal chute opening all is inboard towards the furnace body, it is provided with the feeding dolly to slide in two first horizontal chutes, the fixed limiting plate that is provided with in right-hand member middle part of feeding dolly, the fixed traction block that is provided with in upper end right side of limiting plate, furnace body right-hand member below is provided with upper end open-ended oil groove, the top of oil groove is provided with two horizontal chutes of second that extend along left and right directions, two horizontal chutes of second are located the extension line of first horizontal chute respectively, the vertical second pneumatic cylinder that is provided with in upper end of horizontal chute, the horizontal chute of second pneumatic cylinder drive second is along vertical slip, be provided with electric capstan on the furnace body inner wall on second horizontal chute right side, electric capstan pulls the feeding dolly, the furnace body outside is provided.
Preferably, there is the baffle of vertical setting first horizontal chute right-hand member, set up the first rectangle breach that link up the baffle along controlling the direction on the baffle, the baffle right-hand member face is provided with the downward door type boss of opening, vertical spout has been seted up to medial surface around the door type boss, vertical slip is provided with the baffle door in the vertical spout, the lower extreme of baffle door is provided with first pneumatic cylinder, baffle door upper end middle part be provided with the second rectangle breach of traction block adaptation, second rectangle breach link up baffle door up end along controlling the direction.
Preferably, the right end of the first horizontal sliding groove is flush with the partition plate, and the left end of the second horizontal sliding groove is flush with the partition plate door.
Preferably, the bottom intercommunication of oil groove has an oil pipe, goes out the oil pipe and communicates the oil storage tank in the furnace body outside, and goes out to be provided with first valve on the oil pipe, and the oil groove upper end is provided with into oil pipe, advances oil pipe and communicates the oil storage tank in the furnace body outside, and advances to be provided with second valve and oil pump on the oil pipe, is provided with the refrigeration pipe in the oil storage tank.
Preferably, the feeding trolley comprises a horizontally arranged rectangular frame, and the front end and the rear end of the feeding trolley are respectively provided with a roller with an axis arranged along the front-rear direction.
Preferably, the traction block is provided with a through hole which vertically penetrates through the traction block.
Has the advantages that: the arrangement of the partition plate and the partition plate door reduces the influence of the high temperature of the heating chamber on the quenching chamber; the rollers arranged at the front end and the rear end of the feeding trolley reduce the sliding friction force of the feeding trolley, so that the feeding trolley is easier to move; the arrangement of the cooling pipe can quickly cool the oil after quenching.
Drawings
FIG. 1 is a schematic cross-sectional view of a vacuum oil quenching furnace according to the present invention;
FIG. 2 is a schematic left view of the vacuum oil quenching furnace of the present invention;
FIG. 3 is a schematic structural view of the vacuum oil quenching furnace at A in FIG. 1;
FIG. 4 is a schematic view of the feeding trolley of the vacuum oil quenching furnace of the utility model.
Detailed Description
The present invention will be further explained with reference to the following embodiments, as shown in fig. 1 to 4: a vacuum oil quenching furnace comprises a base, wherein a cylindrical furnace body 1 is arranged at the upper end of the base, the left end of the furnace body 1 is opened, the axis extends along the left-right direction, the left end of the furnace body 1 is hinged with a furnace door 2, and heating wires 3 are uniformly arranged on the inner wall of the left part of the furnace body 1; the heating wire 3 is the prior art and is not described herein again; the left end of the furnace body 1 is provided with two first horizontal chutes 4 extending along the left and right direction, the first horizontal chutes 4 are fixedly arranged on the furnace body 1, the two first horizontal chutes 4 extend along the left and right direction and are symmetrical with the furnace body 1 in the front and back direction, the openings of the first horizontal chutes 4 face the inner side of the furnace body 1, a feeding trolley 22 sliding along the left and right direction is arranged between the two first horizontal chutes 4 in a sliding way, the feeding trolley 22 comprises a rectangular frame horizontally arranged, the front end and the rear end of the feeding trolley 22 are respectively provided with a roller with an axis extending along the front-rear direction, the rollers reduce the friction force when the feeding trolley 22 slides, the feeding trolley 22 is easier to move, the middle part of the right end of the feeding trolley 22 is fixedly provided with a limiting plate 5, the right side of the upper end of the limiting plate 5 is fixedly provided with a traction block 6, the traction block 6 is provided with a through hole which vertically penetrates through the traction block 6, the feeding trolley 22 is convenient to pull, and the upper end of the traction block 6 is flush with the upper end of the;
the right end of the first horizontal chute 4 is provided with a vertically arranged baffle 7, the right end of the first horizontal chute 4 is flush with the baffle 7, the baffle 7 is provided with a first rectangular notch 8 penetrating the baffle 7, the upper end of the first rectangular notch 8 is flush with the upper end of the limiting plate 5, the height of a workpiece to be quenched can be limited according to the height of the limiting plate 5, the right end face of the baffle 7 is provided with a door-shaped boss with a downward opening, the upper end face of the first rectangular notch 8 is flush with the inner side face of the upper end of the door-shaped boss, the front inner side face and the rear side face of the door-shaped boss are provided with vertical chutes, the left end face of the vertical chute is flush with the right end face of the baffle 7, a baffle door 9 is vertically arranged in the vertical chute in a sliding manner, the lower end of the baffle door 9 is provided with a first hydraulic cylinder 10, the lower end of the, thereby controlling the opening and closing of the first rectangular notch 8; a second rectangular notch 11 matched with the traction block 6 is formed in the middle of the upper end of the partition door 9, the second rectangular notch 11 penetrates through the upper end face of the partition door 9 in the left-right direction, when the feeding trolley 22 reaches the rightmost end of the first horizontal chute 4, the traction block 6 is inserted into the second rectangular notch 11, and the right end of the traction block 6 protrudes out of the partition door 9;
an oil tank 12 with an opening at the upper end is arranged below the right side of the partition plate 7, the oil tank 12 is fixedly arranged on the furnace body 1, the bottom of the oil tank 12 is communicated with an oil outlet pipe, the oil outlet pipe penetrates through the furnace body 1 and is communicated with an oil storage pool 14 at the outer side of the furnace body 1, and the oil outlet pipe is provided with a first valve 13 for controlling the opening and closing of the oil outlet pipe, the upper end of the oil tank 12 is provided with an oil inlet pipe which penetrates through the furnace body 1 and is communicated with an oil storage tank 14 at the outer side of the furnace body 1, the oil inlet pipe is provided with a second valve 15 and an oil pump 16, the oil pump 16 is the prior art and is not described herein any more, the oil pump 16 conveys oil in the oil storage tank 14 into the oil groove 12, the oil storage tank 14 is provided with a refrigeration pipe 17, the refrigeration pipe 17 is the prior art and is not described herein any more, the refrigeration pipe 17 can rapidly cool quenching oil after quenching, and the arrangement of the partition plate 7 and the partition plate door 9 reduces the influence of the high temperature of the heating wire 3 on the quenching oil in the oil groove 12;
two second horizontal sliding chutes 18 extending along the left-right direction are arranged above the oil tank 12, the two second horizontal sliding chutes 18 are respectively positioned on the extension lines of the two first horizontal sliding chutes 4, the left end of the second horizontal sliding chute 18 is flush with the partition plate door 9, the upper end of the second horizontal sliding chute 18 is vertically provided with a second hydraulic cylinder 19, the lower end of the second hydraulic cylinder 19 is in bolted connection with the second horizontal sliding chute 18, and the upper end of the second hydraulic cylinder 19 is fixedly connected with the upper end of the furnace body 1; the second hydraulic cylinder 19 drives the second horizontal chute 18 to slide vertically, so as to control the workpiece to be quenched on the feeding trolley 22 in the second horizontal chute 18 to descend and be immersed in the oil tank 12 for oil quenching; be provided with electric capstan 20 on the furnace body 1 inner wall on second horizontal spout 18 right side, and electric capstan 20's steel wire extends along left right direction, utilizes electric capstan 20 to pull in feeding dolly 22 in drawing in second horizontal spout 18 from first horizontal spout 4 with feeding dolly 22's traction block 6, and the furnace body 1 outside is provided with evacuation equipment 21 and link up to the furnace body 1 in, evacuation equipment 21 is no longer repeated here for prior art.
The specific working process is as follows: putting a workpiece to be quenched into a feeding trolley 22, putting the feeding trolley 22 into a first horizontal chute 4, hooking a traction block 6 by a steel wire hook of an electric capstan 20, adding quenching oil into an oil groove 12, closing a first valve 13 and a second valve 15, closing a furnace door 2, starting a vacuumizing device 21 to vacuumize the interior of a furnace body 1, then controlling a first hydraulic cylinder 10 to ascend so as to close a partition door 9, starting a heating wire 3 to heat the workpiece to be quenched, after heating is finished, closing the heating wire 3, then controlling the first hydraulic cylinder 10 to descend so as to open the partition door 9, starting the electric capstan 20 to pull the feeding trolley 22 rightwards, pulling the feeding trolley 22 onto a second horizontal chute 18, then closing the electric capstan 20, controlling a second hydraulic cylinder 19 to extend, thereby controlling a second horizontal chute 18, the feeding trolley 22 and the workpiece to be quenched to enter the oil groove 12, and quenching, after quenching is finished, controlling the second hydraulic cylinder 19 to shorten, so as to control the second horizontal chute 18, the feeding trolley 22 and the workpiece to be quenched to separate from the oil tank 12, then opening the first valve 13, releasing the oil in the oil tank 12 into the oil storage pool 14, then closing the first valve 13, starting the refrigeration wire to cool the oil in the oil storage pool 14, and after the temperature in the heating chamber is reduced, opening the furnace door 2 to take out the quenched workpiece.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (6)
1. A vacuum oil quenching furnace is characterized in that: the furnace comprises a base, wherein a cylindrical furnace body is arranged at the upper end of the base along the left-right direction, the left end of the furnace body is provided with an opening, the left end of the furnace body is hinged with a furnace door, and heating wires are uniformly arranged on the inner wall of the left part of the furnace body; the furnace body left end is provided with two first horizontal chutes that extend along left and right directions, first horizontal chute opening all is inboard towards the furnace body, it is provided with the feeding dolly to slide in two first horizontal chutes, the fixed limiting plate that is provided with in right-hand member middle part of feeding dolly, the fixed traction block that is provided with in upper end right side of limiting plate, furnace body right-hand member below is provided with upper end open-ended oil groove, the top of oil groove is provided with two horizontal chutes of second that extend along left and right directions, two horizontal chutes of second are located the extension line of two first horizontal chutes respectively, the vertical second pneumatic cylinder that is provided with in upper end of horizontal chute, the horizontal chute of second pneumatic cylinder drive second is along vertical slip, be provided with electric capstan on the furnace body inner wall on second horizontal chute right side, electric capstan pulls the feeding dolly, the furnace body outside is provided.
2. The vacuum oil quenching furnace as claimed in claim 1, wherein: first horizontal spout right-hand member has the baffle of vertical setting, the first rectangle breach that link up the baffle is seted up along left right direction on the baffle, the baffle right-hand member is provided with the door type boss that the opening is decurrent, vertical spout has been seted up to medial surface around the door type boss, vertical slip is provided with the baffle door in the vertical spout, the lower extreme of baffle door is provided with first pneumatic cylinder, baffle door upper end middle part be provided with the second rectangle breach of traction block adaptation, second rectangle breach link up baffle door up end along left right direction.
3. The vacuum oil quenching furnace as claimed in claim 2, wherein: the right end of the first horizontal sliding groove is flush with the partition plate, and the left end of the second horizontal sliding groove is flush with the partition plate door.
4. The vacuum oil quenching furnace as claimed in claim 1, wherein: the bottom intercommunication of oil groove has an oil pipe, goes out the oil pipe and communicates the oil storage tank in the furnace body outside, and goes out to be provided with first valve on the oil pipe, and the oil groove upper end is provided with into oil pipe, advances oil pipe and communicates the oil storage tank in the furnace body outside, and advances to be provided with second valve and oil pump on the oil pipe, is provided with the refrigeration pipe in the oil storage tank.
5. The vacuum oil quenching furnace as claimed in claim 1, wherein: the feeding trolley comprises a rectangular frame which is horizontally arranged, and rollers with axes arranged along the front and rear directions are arranged at the front end and the rear end of the feeding trolley.
6. The vacuum oil quenching furnace as claimed in claim 1, wherein: the traction block is provided with a through hole which vertically penetrates through the traction block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921564659.4U CN210657058U (en) | 2019-09-20 | 2019-09-20 | Vacuum oil quenching furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921564659.4U CN210657058U (en) | 2019-09-20 | 2019-09-20 | Vacuum oil quenching furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210657058U true CN210657058U (en) | 2020-06-02 |
Family
ID=70818219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921564659.4U Active CN210657058U (en) | 2019-09-20 | 2019-09-20 | Vacuum oil quenching furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210657058U (en) |
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2019
- 2019-09-20 CN CN201921564659.4U patent/CN210657058U/en active Active
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