Quenching furnace with anti-oxidation function

By introducing nitrogen protection and a quenching box design into the quenching furnace, the problem of workpiece oxidation before quenching is solved, achieving anti-oxidation effect and convenient removal, thus improving the anti-oxidation performance of the quenching furnace.

CN223705652UActive Publication Date: 2025-12-23JIANGSU WEIER FURNACE IND CO LTD
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Patent Information

Application Number
CN202520192243.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2025-12-23
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

Existing quenching furnaces do not produce smoke before workpiece quenching, and air is very likely to come into contact with the workpiece, causing oxidation, which cannot meet production requirements.

Method used

A nitrogen tank and a delivery pump are installed in the quenching furnace. Nitrogen gas is sprayed out through delivery pipes and jet nozzles to create an inert environment to prevent oxidation. At the same time, a quenching box and a draining net are installed to cool and remove the workpiece.

Benefits of technology

It effectively prevents the workpiece from coming into contact with oxygen before quenching, avoids oxidation, ensures workpiece quality, and simplifies the workpiece removal process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a quenching furnace with an anti-oxidation function, which belongs to the technical field of quenching furnaces and comprises a quenching furnace body and a liquid storage tank fixedly connected to the bottom of the quenching furnace body, and an anti-oxidation mechanism extending into the quenching furnace body is arranged at the top of the quenching furnace body. The anti-oxidation mechanism comprises a nitrogen tank fixedly mounted at the top of the quenching furnace body, a conveying pump is fixedly mounted at the top of the quenching furnace body, a conveying pipeline extending into the quenching furnace body is fixedly connected to the output end of the conveying pump, and a steel pipe is fixedly connected to the end, away from the conveying pump, of the conveying pipeline. According to the quenching furnace with the anti-oxidation function, by arranging a conveying pump and a nitrogen tank, nitrogen in the nitrogen tank can enter a steel pipe through a conveying pipeline, then by arranging an air spraying head, the nitrogen can be sprayed out, the whole quenching furnace body is filled with the nitrogen, and a workpiece in the quenching furnace body is prevented from being in direct contact with oxygen; and the anti-oxidation effect is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to quenching furnace technical field, specifically is a quenching furnace with anti -oxidation function. BACKGROUND

[0002] Quenching furnace is a kind of heat treatment equipment to metal material carries out quenching treatment, changes the organizational structure of metal by heating, heat preservation and rapid cooling to improve the hardness, strength, wear resistance and other properties of metal.Put metal workpiece into quenching furnace, the temperature in the furnace is increased to predetermined quenching temperature by heating element, and keep a certain time, make the whole metal workpiece reach the temperature, let the internal organization of metal change fully.Subsequently, the workpiece is quickly put into quenching medium and rapidly cooled, so that the organizational structure of metal changes, forms the required martensite or bainite and other organizations to obtain the expected performance.

[0003] The utility model discloses a kind of quenching furnaces with anti -oxidation function, including quenching furnace, quenching furnace one end is provided with feed inlet, quenching furnace other end bottom is provided with discharge port, quenching furnace is located discharge port below and is provided with oil storage tank, oil storage tank upper is provided with smoke extraction assembly, smoke extraction assembly tail end is connected with the side wall of quenching furnace through-penetration.The utility model effectively solves the oxidation phenomenon that the quenching furnace of present is easy to contact with air when heating workpiece, influence product quality and appearance, while a large amount of oil fume is directly discharged in workshop after workpiece quenching with oil, not only cause great pollution to air also damage human health Problem and provide a kind of quenching furnace with anti -oxidation function.

[0004] However, the utility model in the use process, after workpiece quenching, can produce smoke, and before workpiece quenching, no smoke is produced, and at this time air is extremely likely to contact workpiece, and then lead to the oxidation of workpiece, cannot meet production demand, so a kind of quenching furnace with anti -oxidation function is proposed to solve the problems in the above. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of prior art, the utility model provides a kind of quenching furnace with anti -oxidation function, with the advantage of improving anti -oxidation effect, solve the problem that workpiece quenching can produce smoke, and before workpiece quenching, no smoke is produced, and at this time air is extremely likely to contact workpiece, and then lead to the oxidation of workpiece, cannot meet production demand.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of quenching furnace with anti -oxidation function, including quenching furnace body and the liquid tank of fixed connection in the bottom of quenching furnace body, the top of quenching furnace body is provided with the anti -oxidation mechanism extending to its inside;

[0007] The anti-oxidation mechanism comprises a nitrogen tank fixedly installed on the top of the quenching furnace body, a conveying pump fixedly installed on the top of the quenching furnace body, a conveying pipeline fixedly connected to the output end of the conveying pump and extending into the quenching furnace body, a steel pipe fixedly connected to the end of the conveying pipeline away from the conveying pump, and a jet head fixedly installed on the bottom of the steel pipe.

[0008] Further, the input end of the conveying pump is fixedly connected with the nitrogen tank, and the steel pipe is fixedly installed on the inner top wall of the quenching furnace body.

[0009] Further, a quenching tank is slidably connected in the liquid storage tank, a draining net is fixedly connected to the inner bottom wall of the quenching tank, a threaded rod is rotatably connected to the front of the quenching tank and extends to the front of the liquid storage tank, and a rotating handle is fixedly connected to the end of the threaded rod away from the quenching tank.

[0010] Further, positioning blocks extending into the liquid storage tank are fixedly connected to the left and right sides of the quenching tank, and positioning grooves matched with the positioning blocks are formed in the inner wall of the liquid storage tank.

[0011] Further, a positioning guide rod extending to the front of the liquid storage tank is fixedly connected to the side of the quenching tank close to the threaded rod, and a sealing cover plate is hingedly connected to the upper surface of the liquid storage tank.

[0012] Further, a conveying belt device is fixedly installed in the quenching furnace body, and a driving motor capable of driving the conveying belt device is fixedly installed on the front of the quenching furnace body.

[0013] Further, a feeding hopper extending into the quenching furnace body is fixedly connected to the top of the quenching furnace body, a communication port is formed between the quenching furnace body and the liquid storage tank, and a guide plate is fixedly connected to the inner bottom wall of the quenching furnace body.

[0014] Compared with the prior art, the quenching furnace with the anti-oxidation function has the following beneficial effects:

[0015] 1. The quenching furnace with the anti-oxidation function is provided with a conveying pump and a nitrogen tank, so that the nitrogen in the nitrogen tank can enter the steel pipe through the conveying pipeline, and the nitrogen can be sprayed out through the jet head, so that the nitrogen fills the entire quenching furnace body, avoiding direct contact of the workpieces in the quenching furnace body with oxygen, and achieving the effect of anti-oxidation.

[0016] 2、The quenching furnace with anti-oxidation function can store workpieces, can make the workpieces fully contact with the cooling medium, realizes the effect of quenching, and can drive the quenching box to move forward by rotating the threaded rod, so that the workpieces can be taken out conveniently, solves the problem that smoke cannot be generated until the workpieces are quenched, and air is likely to contact the workpieces before the workpieces are quenched, so that the workpieces are oxidized, and cannot meet the production requirements. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a structure sectional view of the utility model;

[0018] Fig. 2 It is a structure top view of the threaded rod of the utility model;

[0019] Fig. 3 It is a structure side view of the conveying belt device of the utility model;

[0020] Fig. 4 It is a structure perspective view of the utility model.

[0021] In the drawing: 1, quenching furnace body, 2, liquid storage tank, 3, nitrogen tank, 4, conveying pump, 5, steel pipe, 6, air injection head, 7, quenching box, 8, draining net, 9, threaded rod, 10, positioning guide rod, 11, conveying belt device, 12, driving motor, 13, electric heater, 14, feed hopper, 15, communication port. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Please refer to Figs. 1 to 4 The quenching furnace with anti-oxidation function in the embodiment comprises a quenching furnace body 1 and a liquid storage tank 2 fixedly connected to the bottom of the quenching furnace body 1, the top of the quenching furnace body 1 is provided with an anti-oxidation mechanism extending into the inside thereof, the anti-oxidation mechanism comprises a nitrogen tank 3 fixedly installed on the top of the quenching furnace body 1, the top of the quenching furnace body 1 is fixedly installed with a conveying pump 4, the output end of the conveying pump 4 is fixedly connected with a conveying pipeline extending into the inside of the quenching furnace body 1, the end of the conveying pipeline away from the conveying pump 4 is fixedly connected with a steel pipe 5, and the bottom of the steel pipe 5 is fixedly installed with an air injection head 6.

[0024] The input end of the delivery pump 4 is fixedly connected with the nitrogen tank 3, and the steel pipe 5 is fixedly installed on the inner top wall of the quenching furnace body 1.

[0025] It should be noted that nitrogen has stable chemical properties, is widely available and has relatively low cost. Filling nitrogen into the quenching furnace can form an inert environment around the workpiece, effectively reducing oxidation, and many small mechanical parts are often quenched with nitrogen protection.

[0026] In the embodiment, the quenching tank 7 is slidably connected inside the liquid storage tank 2, the inner bottom wall of the quenching tank 7 is fixedly connected with the draining net 8, the front surface of the quenching tank 7 is rotatably connected with the threaded rod 9 extending to the front surface of the liquid storage tank 2, and the end of the threaded rod 9 away from the quenching tank 7 is fixedly connected with the rotating handle.

[0027] The left and right sides of the quenching tank 7 are fixedly connected with the positioning blocks extending to the inside of the liquid storage tank 2, the inner wall of the liquid storage tank 2 is provided with the positioning grooves matched with the positioning blocks, the side of the quenching tank 7 close to the threaded rod 9 is fixedly connected with the positioning guide rod 10 extending to the front surface of the liquid storage tank 2, and the upper surface of the liquid storage tank 2 is hingedly connected with the sealing cover plate.

[0028] It should be noted that the positioning guide rod 10 is slidably connected with the liquid storage tank 2, the left and right sides of the liquid storage tank 2 are fixedly connected with the smoke exhaust pipe and the liquid discharge pipe respectively, the inside of the liquid storage tank 2 is filled with cooling oil, by arranging the quenching tank 7 and the draining net 8, the workpiece can be stored and fully contacted with the cooling medium to achieve the quenching effect, and by rotating the rotating handle to drive the threaded rod 9 to rotate, the quenching tank 7 can be moved forward, thereby facilitating the workers to take out the workpiece.

[0029] In the embodiment, the quenching furnace body 1 is fixedly installed with the conveyor belt device 11 inside, and the front surface of the quenching furnace body 1 is fixedly installed with the driving motor 12 capable of driving the conveyor belt device 11.

[0030] The top of the quenching furnace body 1 is fixedly connected with the feeding hopper 14 extending to the inside thereof, the quenching furnace body 1 and the liquid storage tank 2 are provided with the communication port 15 in communication, and the inner bottom wall of the quenching furnace body 1 is fixedly connected with the guide plate.

[0031] The working principle of the above embodiment is as follows:

[0032] First, the staff start the electric heater 13 to the quenching furnace body 1 inside heating, then start the delivery pump 4 to the nitrogen delivery to the quenching furnace body 1 inside, when the temperature inside the quenching furnace body 1 reaches the appropriate temperature, the staff can be placed through the feed hopper 14 to the quenching furnace body 1 inside the workpiece, when the workpiece is heated to the appropriate temperature, start the drive motor 12 drive belt device 11 operation, the workpiece is transported to the liquid tank 2 inside, when the workpiece quenching is completed, rotate the rotating handle while opening the sealing cover plate, the staff will take out the workpiece.

[0033] The electrical components appearing in the text are all electrically connected with the main controller and the power supply. The main controller can be a conventional known device such as a computer, and the existing disclosed power connection technology also belongs to the common knowledge in the art, which will not be described herein.

[0034] It should be noted that, in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0035] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A quenching furnace with anti-oxidation function, comprising a quenching furnace body (1) and a liquid storage tank (2) fixedly connected to the bottom of the quenching furnace body (1), characterized in that: The top of the quenching furnace body (1) is provided with an anti-oxidation mechanism extending to the inside thereof; The anti-oxidation mechanism comprises a nitrogen tank (3) fixedly installed on the top of the quenching furnace body (1), the top of the quenching furnace body (1) is fixedly installed with a delivery pump (4), the output end of the delivery pump (4) is fixedly connected with a delivery pipeline extending to the inside of the quenching furnace body (1), the end of the delivery pipeline away from the delivery pump (4) is fixedly connected with a steel pipe (5), and the bottom of the steel pipe (5) is fixedly installed with a jet head (6).

2. The quenching furnace with anti-oxidation function according to claim 1, characterized in that: The input end of the delivery pump (4) is fixedly connected with the nitrogen tank (3), and the steel pipe (5) is fixedly installed on the inner top wall of the quenching furnace body (1).

3. The quenching furnace with anti-oxidation function according to claim 1, characterized in that: The inside of the liquid storage tank (2) is slidably connected with a quenching tank (7), the inner bottom wall of the quenching tank (7) is fixedly connected with a draining net (8), the front face of the quenching tank (7) is rotatably connected with a threaded rod (9) extending to the front face of the liquid storage tank (2), and the end of the threaded rod (9) away from the quenching tank (7) is fixedly connected with a rotating handle.

4. The quenching furnace with anti-oxidation function according to claim 3, characterized in that: The left and right sides of the quenching tank (7) are both fixedly connected with positioning blocks extending to the inside of the liquid storage tank (2), and the inner wall of the liquid storage tank (2) is provided with positioning grooves matched with the positioning blocks.

5. The quenching furnace with anti-oxidation function according to claim 3, characterized in that: The side of the quenching tank (7) close to the threaded rod (9) is fixedly connected with a positioning guide rod (10) extending to the front face of the liquid storage tank (2), and the upper surface of the liquid storage tank (2) is hingedly connected with a sealing cover plate.

6. The quenching furnace with anti-oxidation function according to claim 1, characterized in that: The inside of the quenching furnace body (1) is fixedly installed with a conveying belt device (11), and the front face of the quenching furnace body (1) is fixedly installed with a driving motor (12) capable of driving the conveying belt device (11).

7. The quenching furnace with anti-oxidation function according to claim 1, characterized in that: The top of the quenching furnace body (1) is fixedly connected with a feeding hopper (14) extending to the inside thereof, the quenching furnace body (1) and the liquid storage tank (2) are provided with a communication opening (15) in communication therebetween, and the inner bottom wall of the quenching furnace body (1) is fixedly connected with a guide plate.

Citation Information

Patent Citations

  • Quenching furnace with anti-oxidation function

    CN220468054U