CN218969307U

CN218969307U - Quenching furnace of cross axle

Info

Publication number: CN218969307U
Application number: CN202223146453.4U
Authority: CN
Inventors: 任世明
Original assignee: Sichuan Province In Yaan Qiangjiang Machinery Co ltd
Current assignee: Sichuan Province In Yaan Qiangjiang Machinery Co ltd
Priority date: 2022-11-26
Filing date: 2022-11-26
Publication date: 2023-05-05
Anticipated expiration: 2032-11-26

Abstract

The utility model discloses a quenching furnace with a cross shaft, which belongs to the technical field of quenching furnaces and comprises a furnace body, wherein a heating chamber is arranged on the front surface of the furnace body, a quenching chamber is arranged in the furnace body, through grooves are formed in the bottom of an inner cavity of the heating chamber, two sliding grooves are formed in the side surfaces of the inner cavities of the heating chamber and the quenching chamber, a screw rod is rotatably connected with the inner cavities of the two sliding grooves, two groups of sliding blocks are sleeved on the outer side threads of the two screw rods, one ends of the two groups of sliding blocks respectively extend to the inner cavities of the heating chamber and the through grooves and are fixedly connected with sealing plates, and upright posts are fixedly connected between the two sealing plates. According to the utility model, the water in the inner cavity of the quenching chamber is pumped to the inner cavity of the refrigerating box through the liquid pumping pipe, impurities in the water are filtered by the filter screen, the water entering the inner cavity of the refrigerating box is refrigerated by the semiconductor refrigerating sheet, the function of refrigerating the quenched water is realized, and the working quality of the quenching furnace of the cross shaft is improved.

Description

Quenching furnace of cross axle

Technical Field

The utility model relates to the technical field of quenching furnaces, in particular to a cross shaft quenching furnace.

Background

The cross shaft is also called a cross joint, namely a universal joint, is a machine part for realizing variable-angle power transmission, is used for changing the position of a transmission axis direction, is a joint part of a universal transmission device of an automobile driving system, and is required to be quenched after being processed in order to improve the quality of the cross shaft.

Through retrieval, the utility model patent with the bulletin number of CN216445433U discloses a cross shaft heat treatment device, which comprises a base, a quenching mechanism and a cooling mechanism, wherein the top end of the base is provided with a heat treatment furnace, one end of the outer wall of the heat treatment furnace is provided with a safety door, the edge of the outer wall of the safety door is attached with a sealing strip, the outer wall of the heat treatment furnace is attached with a heat insulation sleeve, the bottom end of the inner wall of the heat treatment furnace is provided with a bushing, the bottom end of the water supply pipe is provided with a connecting pipe, the bottom end of the connecting pipe is provided with a fixing nut, and the bottom end of the fixing nut is provided with a sprinkler head; this patent is through stand and the dead lever that sets up, is convenient for like this before the thermal treatment, can carry out fixed connection with the fixing base that the stand set up through dead lever and heat treatment furnace inner wall bottom, then alternates the cross axle work piece that needs thermal treatment at the outer wall of stand, can alternate a plurality of cross axle work pieces simultaneously, carries out batch thermal treatment to the work piece through quenching mechanism, improves thermal treatment's efficiency. However, the above patent suffers from the following disadvantages: the heated cross shaft is cooled and quenched by watering, so that the efficiency is low, water is heated during quenching, and the quenching quality of the subsequent cross shaft is affected. For this purpose we propose a cross-shaft quenching furnace.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model aims to provide a quenching furnace with a cross shaft.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a quenching furnace of cross axle, includes the furnace body, the front of furnace body is provided with the heating chamber, the inside of furnace body is provided with the quenching chamber, wear the groove has been seted up to the bottom of heating chamber inner chamber, two sliding tray has been seted up to the side of heating chamber and quenching chamber inner chamber, two the inner chamber rotation of sliding tray is connected with the lead screw, two the outside screw thread of lead screw has cup jointed two sets of sliders, two sets of the one end of slider extends to the heating chamber respectively and wears the inner chamber in groove and fixedly connected with closing plate, two fixedly connected with stand between the closing plate, two fixedly cup joint on the stand and placed the board, one of them the top surface of closing plate and the top surface fixedly connected with of placing the board a plurality of sockets, the both sides of furnace body are provided with heating mechanism respectively, the side of furnace body is provided with cooling mechanism.

As a preferable scheme of the utility model, the cooling mechanism comprises a refrigeration box fixedly connected to the side surface of the furnace body, the front surface of the refrigeration box is hinged with a sealing door, the top surface of the refrigeration box is fixedly provided with a liquid suction pipe, the output end of the liquid suction pipe extends to the inner cavity of the refrigeration box, the input end of the liquid suction pipe is fixedly connected with a water suction pipe, one end of the water suction pipe extends to the inner cavity of the quenching chamber, the inner cavity of the refrigeration box is provided with a filter screen, the side surface of the refrigeration box is fixedly connected with a water return pipe, one end of the water return pipe extends to the inner cavity of the quenching chamber, the bottom of the refrigeration box is fixedly provided with a semiconductor refrigeration sheet, and the heating end of the semiconductor refrigeration sheet extends to the bottom of the refrigeration box and is fixedly provided with a radiating fin.

As a preferable scheme of the utility model, the heating mechanism comprises a gas burner fixedly arranged on the side surface of the furnace body, a plurality of flame spraying heads are arranged on the gas burner, one ends of the flame spraying heads extend to the inner cavity of the heating chamber, and an air duct is fixedly connected to the gas burner.

As a preferable scheme of the utility model, a servo motor is fixedly arranged on the top surface of the furnace body, and an output shaft of the servo motor is connected with the top end of the screw rod.

As a preferable scheme of the utility model, a threaded plug is arranged on the side surface of the furnace body in a threaded manner, a drain valve is fixedly arranged on the side surface of the furnace body, and an exhaust hole is formed in the side surface of the furnace body.

As a preferable scheme of the utility model, the front surface of the furnace body is hinged with a heat preservation door at the front part of the heating chamber, and the front surface of the furnace body is fixedly provided with a control panel.

Compared with the prior art, the utility model has the advantages that:

(1) According to the utility model, the sealing plate, the placing plate and the cross shaft are driven to move up and down by the cooperation of the servo motor, the screw rod and the sliding block, and when the cross shaft is heated, the cross shaft is immersed into the water in the inner cavity of the quenching chamber immediately, so that the quality of quenching the cross shaft is ensured, and the practicability is good.

(2) According to the utility model, the water in the inner cavity of the quenching chamber is pumped to the inner cavity of the refrigerating box through the liquid pumping pipe, impurities in the water are filtered by the filter screen, the water entering the inner cavity of the refrigerating box is refrigerated by the semiconductor refrigerating sheet, the function of refrigerating the quenched water is realized, and the working quality of the quenching furnace of the cross shaft is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic structural view of a sealing plate according to the present utility model;

FIG. 4 is a schematic cross-sectional view of the furnace body of the present utility model;

FIG. 5 is a schematic cross-sectional view of the cooling mechanism of the present utility model.

The reference numerals in the figures illustrate:

1. a furnace body; 2. a heating chamber; 3. a quenching chamber; 4. penetrating a groove; 5. a sliding groove; 6. a screw rod; 7. a slide block; 8. a sealing plate; 9. a column; 10. placing a plate; 11. a socket; 12. a heating mechanism; 13. a cooling mechanism; 14. a gas flame thrower; 15. an air duct; 16. a flame spraying head; 17. a thermal insulation door; 18. a servo motor; 19. a refrigeration box; 21. sealing the door; 22. a filter screen; 23. a semiconductor refrigeration sheet; 24. a heat radiation fin; 25. a water return pipe; 26. a liquid suction pipe; 27. a water pumping pipe; 28. a control panel; 29. a drain valve; 30. a threaded plug; 31. and an exhaust hole.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

referring to fig. 1-5, a quenching furnace of cross axle, including furnace body 1, the front of furnace body 1 is provided with heating chamber 2, the inside of furnace body 1 is provided with quenching chamber 3, wear groove 4 has been seted up to the bottom of heating chamber 2 inner chamber, two sliding grooves 5 have been seted up to the side of heating chamber 2 and quenching chamber 3 inner chamber, the inner chamber rotation of two sliding grooves 5 is connected with lead screw 6, two sets of sliders 7 have been cup jointed to the outside screw thread of two lead screws 6, the one end of two sets of sliders 7 extends to the inner chamber of heating chamber 2 and wear groove 4 respectively and fixedly connected with closing plate 8, fixedly connected with stand 9 between two closing plate 8, fixedly cup joint on two stand 9 and place board 10, the top surface of one of them closing plate 8 and the top surface fixedly connected with a plurality of sockets 11 of placing board 10, the both sides of furnace body 1 are provided with heating mechanism 12 respectively, the side of furnace body 1 is provided with cooling mechanism 13.

In this embodiment, the size of the inner cavity of the through slot 4 is the same as the external size of the sealing plate 8.

Specifically, referring to fig. 1 and 5, the cooling mechanism 13 includes a refrigeration box 19 fixedly connected to a side surface of the furnace body 1, a sealing door 21 is hinged to a front surface of the refrigeration box 19, a liquid suction pipe 26 is fixedly installed on a top surface of the refrigeration box 19, an output end of the liquid suction pipe 26 extends to an inner cavity of the refrigeration box 19, an input end of the liquid suction pipe 26 is fixedly connected with a water suction pipe 27, one end of the water suction pipe 27 extends to an inner cavity of the quenching chamber 3, a filter screen 22 is arranged in the inner cavity of the refrigeration box 19, a water return pipe 25 is fixedly connected to a side surface of the refrigeration box 19, one end of the water return pipe 25 extends to the inner cavity of the quenching chamber 3, a semiconductor refrigeration sheet 23 is fixedly installed at a bottom of the refrigeration box 19, and a heating end of the semiconductor refrigeration sheet 23 extends to a bottom of the refrigeration box 19 and a radiating fin 24 is fixedly installed.

In this embodiment, impurities in the water in the inner cavity of the quenching chamber 3 are filtered by the filter screen 22, and the water in the inner cavity of the refrigerating box 19 is refrigerated by the semiconductor refrigerating sheet 23.

Specifically, referring to fig. 1 and 2, the heating mechanism 12 includes a gas burner 14 fixedly installed on a side surface of the furnace body 1, a plurality of flame-spraying heads 16 are disposed on the gas burner 14, one end of the flame-spraying heads 16 extends to an inner cavity of the heating chamber 2, and an air duct 15 is fixedly connected to the gas burner 14.

In this embodiment, the gas tank is connected to the gas guide pipe 15, so that the gas is introduced from the gas guide pipe 15 into the gas burner 14, and the flame is emitted from the burner head 16 to heat the cross.

Specifically, referring to fig. 2, a servo motor 18 is fixedly mounted on the top surface of the furnace body 1, and an output shaft of the servo motor 18 is connected with the top end of the screw rod 6.

In this embodiment, the servo motor 18 is used to drive the screw rod 6 to rotate, and the sealing plate 8 is driven to move up and down by the cooperation of the screw rod 6 and the sliding block 7.

Specifically, referring to fig. 1, a screw plug 30 is screwed on a side surface of the furnace body 1, a drain valve 29 is fixedly installed on a side surface of the furnace body 1, and an exhaust hole 31 is formed on a side surface of the furnace body 1.

In this embodiment, water is added to the inner cavity of the quenching chamber 3 by removing the screw plug 30, water vapor generated when the cross is quenched through the exhaust hole 31 is discharged, and a dust screen is provided in the inner cavity of the exhaust hole 31.

Specifically, referring to fig. 1, a heat-insulating door 17 is hinged to the front surface of the furnace body 1 and located at the front portion of the heating chamber 2, and a control panel 28 is fixedly installed on the front surface of the furnace body 1.

In this embodiment, the control panel 28 is used to control the servo motor 18, the liquid suction pipe 26, and the semiconductor refrigeration sheet 23.

Working principle: when the cooling device is used, firstly, the cross shaft is placed on the socket 11, the gas flame thrower 14 is started to enable the flame sprayed by the flame thrower head 16 to heat the inner cavity of the heating chamber 2, so that the cross shaft is heated, then the gas flame thrower 14 is closed, the servo motor 18 is started to drive the screw rod 6 to rotate, the slide block 7, the sealing plate 8, the placing plate 10 and the cross shaft are driven to move downwards through the cooperation between the screw rod 6 and the slide block 7, the heated cross shaft is enabled to move into water in the inner cavity of the quenching chamber 3, so that the cross shaft is cooled and quenched, then the servo motor 18 is started to drive the screw rod 6 to rotate reversely, the cross shaft is enabled to move back to the inner cavity of the heating chamber 2, the quenched cross shaft is taken out, in addition, the liquid suction pipe 26 is started to pump water in the inner cavity of the quenching chamber 3 to the inner cavity of the cooling chamber 19, impurities in the water are filtered through the filter screen 22, in addition, the water entering the inner cavity of the cooling chamber 19 is cooled through the semiconductor cooling sheet 23, and the cooled water is enabled to be discharged from the water return pipe 25 to the inner cavity of the quenching chamber 3.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution and the modified concept thereof, within the scope of the present utility model.

Claims

1. The utility model provides a quenching furnace of cross, includes furnace body (1), its characterized in that: the front of the furnace body (1) is provided with a heating chamber (2), the inside of the furnace body (1) is provided with a quenching chamber (3), the bottom of the inner cavity of the heating chamber (2) is provided with a through groove (4), the side surfaces of the inner cavities of the heating chamber (2) and the quenching chamber (3) are provided with two sliding grooves (5), the inner cavities of the two sliding grooves (5) are rotationally connected with a screw rod (6), the outer threads of the two screw rods (6) are sleeved with two groups of sliding blocks (7), two sets of one end of slider (7) extends to heating chamber (2) respectively and wears the inner chamber and fixedly connected with closing plate (8) of groove (4), two fixedly connected with stand (9) between closing plate (8), two fixed cover has placed board (10) on stand (9), one of them the top surface of closing plate (8) and the top surface fixedly connected with a plurality of sockets (11) of placing board (10), the both sides of furnace body (1) are provided with heating mechanism (12) respectively, the side of furnace body (1) is provided with cooling mechanism (13).

2. A cross-shaft quench furnace as in claim 1 wherein: the cooling mechanism (13) comprises a refrigerating box (19) fixedly connected to the side face of the furnace body (1), a sealing door (21) is hinged to the front face of the refrigerating box (19), a liquid suction pipe (26) is fixedly installed on the top face of the refrigerating box (19), the output end of the liquid suction pipe (26) extends to the inner cavity of the refrigerating box (19), a water suction pipe (27) is fixedly connected to the input end of the liquid suction pipe (26), one end of the water suction pipe (27) extends to the inner cavity of the quenching chamber (3), a filter screen (22) is arranged in the inner cavity of the refrigerating box (19), a water return pipe (25) is fixedly connected to the side face of the refrigerating box (19), a semiconductor refrigerating sheet (23) is fixedly installed at the bottom of the refrigerating box (19), and a heat radiating fin (24) is fixedly installed at the bottom of the semiconductor refrigerating sheet (23) extending to the quenching chamber (19).

3. A cross-shaft quench furnace as in claim 1 wherein: the heating mechanism (12) comprises a gas flame thrower (14) fixedly arranged on the side face of the furnace body (1), a plurality of flame thrower heads (16) are arranged on the gas flame thrower (14), one end of each flame thrower head (16) extends to the inner cavity of the heating chamber (2), and an air duct (15) is fixedly connected to the gas flame thrower (14).

4. A cross-shaft quench furnace as in claim 1 wherein: the top surface of furnace body (1) fixed mounting has servo motor (18), the output shaft of servo motor (18) is connected with the top of lead screw (6).

5. A cross-shaft quench furnace as in claim 1 wherein: the side screw thread of furnace body (1) is installed screw thread stopper (30), the side fixed mounting of furnace body (1) has drain valve (29), vent hole (31) have been seted up to the side of furnace body (1).

6. A cross-shaft quench furnace as in claim 1 wherein: the front of the furnace body (1) and the front part of the heating chamber (2) are hinged with a heat preservation door (17), and the front of the furnace body (1) is fixedly provided with a control panel (28).