A vacuum quenching device
A vacuum quenching and vacuum machine technology, applied in the direction of quenching device, furnace, furnace type, etc., can solve the problem that the stiffness coefficient of the torsion spring should not be too large, and achieve the effect of improving the sealing effect and reducing the cost
Active Publication Date: 2019-07-09
宁波高新区新柯保汽车科技有限公司
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Problems solved by technology
However, in order to facilitate the opening of the furnace door, the stiffness coefficient of the torsion spring should not be too large, so when the workpiece is heated, some air will still enter the heating box
Method used
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Embodiment Construction
[0020] The present invention will be described in further detail below by means of specific embodiments:
[0021] The reference numerals in the accompanying drawings include: base 10, driving motor 20, driving gear 21, driving gear 22, air compressor 30, rotary joint 31, rotating shaft 40, channel 41, suction pipe 42, heating box 50, First cavity 51, first piston 52, spring 53, installation groove 54, sealing strip 55, ear plate 56, electromagnetic heating coil 57, first rack 58, second rack 59, intermediate gear 510, mounting seat 511 , the jaw 512, the furnace cover 60, the first cavity 61, the second cavity 62, the second piston 63, the nozzle 70, and the locking hook 80.
[0022] The embodiment is basically as figure 1 Shown:
[0023] The vacuum quenching device of this embodiment includes a base 10 , a furnace body rotatably connected to the base 10 , a drive motor 20 and a vacuum machine installed on the base 10 , and a spray head 70 arranged on the furnace body. The ...
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The invention relates to the field of metal heat treatment, and concretely discloses to a vacuum quenching device, which comprises a base, a furnace body, a driving motor, a vacuum machine and a sprayhead, wherein the spray head is arranged on the furnace body; the furnace body comprises a heating box and a furnace door; the heating box is rotationally connected with the base through a rotating shaft; the spray head and the base are fixed; in addition, the spray head extends into the heating box from the middle part of the furnace door; the driving motor simultaneously drives the heating boxto rotate and the vacuum machine to operate; the center of the rotating shaft is provided with a communication hole for communicating the heating box; the vacuum machine is communicated with the communication hole; the side wall of the bottom of the heating box is provided with a cavity; the surface, attached to the furnace door, of the heating box is provided with an installing groove; a sealingstrip is arranged in the installing groove; an expansion cavity is arranged in the sealing strip; the cavity and the expansion cavity are communicated; a piston is arranged in the cavity; a clamping mechanism is arranged in the heating cavity; the piston outwards slides, so that the clamping mechanism can tightly clamp workpieces; an electromagnetic heating coil is arranged on the outer peripheryof a clamp jaw of the clamping mechanism. The device has the advantage that through the centrifugation force received by the piston, the sealing effect of the furnace door on the heating box can be improved.
Description
technical field [0001] The invention relates to the field of metal heat treatment, in particular to a vacuum quenching device. Background technique [0002] Quenching is a heat treatment process, which refers to a metal heat treatment process in which the metal workpiece is first heated to a certain temperature, then kept for a period of time, and then immediately immersed in the quenching medium for rapid cooling. The purpose of quenching is to transform the austenite in the metal into martensite or bainite, and then cooperate with tempering at different temperatures to greatly improve the rigidity, hardness, wear resistance, fatigue strength and toughness of the metal, so as to meet the Different use requirements for various mechanical parts and tools. The quenching process usually needs to be carried out in a specific device. Among them, the vacuum quenching furnace is a common quenching device. Due to the high processing temperature of the vacuum quenching furnace, the ...
Claims
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IPC IPC(8): C21D9/00C21D1/667C21D1/773
CPCC21D1/667C21D1/773C21D9/0006
Inventor 王作栋
Owner 宁波高新区新柯保汽车科技有限公司