Metal part heat treatment device

Abstract

The utility model relates to the technical field of heat treatment equipment, in particular to a metal part heat treatment device which comprises a heat treatment furnace body, a furnace car, a heat treatment frame and a heat treatment frame hoisting device, the furnace car can enter and exit from the heat treatment furnace body, the heat treatment frame can contain metal parts, and the heat treatment frame hoisting device is arranged at the top of the heat treatment furnace body. The heat treatment frame can be hoisted. According to the heat treatment device for the metal parts, the heat treatment frame can be quickly assembled and disassembled through the heat treatment frame hoisting device arranged at the top of the heat treatment furnace body, so that the heat treatment efficiency of the metal parts is improved, the operation is convenient, and the labor intensity of operators is reduced; through the quenching box arranged on the side face of the heat treatment furnace body, metal parts can be more conveniently quenched or rapidly cooled, the transfer time of the metal parts is saved, and the heat treatment quality and efficiency are improved; by optimizing the structure of the heat treatment frame, hoisting of the heat treatment frame is facilitated, and the stability and safety of metal part treatment are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat treatment equipment technical field, concretely relates to a metal part heat treatment device. BACKGROUND

[0002] Metal part heat treatment is to place metal parts in certain medium, heat to appropriate temperature, and keep in this temperature for a certain time, and then cool down at different speed, change the organization structure of metal material surface or inside to control its performance a kind of process. Heat treatment equipment can be divided into furnace, hot dip galvanizing equipment, heating furnace, electric furnace, annealing furnace etc., wherein, heat treatment furnace is one of the most common heat treatment equipment, is widely used in industrial product production.

[0003] In production, small metal part blank is first loaded in heat treatment basket and then transported to heat treatment furnace for furnace loading, hoisting tool (such as electric hoist) is installed on one side of heat treatment furnace, not only occupies larger production space, but also often brings safety hazard when swing arm moves. In view of this, the utility model provides a metal part heat treatment device, which aims at improving the prior art. UTILITY MODEL CONTENTS

[0004] In order to solve the above problems, the utility model provides a metal part heat treatment device, the metal part heat treatment device, through the heat treatment frame hoisting device arranged at the top of the heat treatment furnace body, first, the ground space is occupied, and the heat treatment frame can be quickly loaded and unloaded, so as to improve the heat treatment efficiency of metal parts, and the operation is convenient, and the labor intensity of operator is reduced, the quenching tank is arranged on the side of the heat treatment furnace body, the metal parts can be more conveniently quenched or rapidly cooled, the transfer time of metal parts is saved, the quality and efficiency of heat treatment are improved, and the structure of the heat treatment frame is optimized, the heat treatment frame is conveniently hoisted, so that the stability and safety of metal part treatment are improved.

[0005] The technical scheme of the utility model is as follows:

[0006] A heat treatment apparatus for metal parts includes a heat treatment furnace body and a furnace car, the furnace car being able to enter and exit the heat treatment furnace body. It also includes a heat treatment frame and a heat treatment frame hoisting device. The heat treatment frame can hold metal parts. The heat treatment frame hoisting device includes a lower column, an upper column, a large gear, a small gear, a mounting plate, a motor reducer, an upper support plate, a crossbeam, and an electric hoist. The lower column is fixedly installed on the top of the heat treatment furnace body. The upper column is rotatably fitted into the lower column. The large gear is coaxially fixedly installed on the lower part of the upper column. The mounting plate is fixedly installed on the upper part of the lower column. The motor reducer is fixedly installed on the mounting plate, and a small gear is coaxially fixedly installed on the output shaft of the motor reducer. The small gear meshes with the large gear. The upper support plate is fixedly installed on the upper column and located below the large gear. The upper support plate is rotatable relative to the lower column. The crossbeam is fixedly installed on the top of the upper column. The electric hoist is horizontally movable and installed on the crossbeam, and the electric hoist can hoist the heat treatment frame.

[0007] To facilitate faster cooling of metal parts, save time in transferring metal parts, and improve the quality and efficiency of heat treatment, a quenching box is provided on the side of the heat treatment furnace.

[0008] A bearing is installed between the lower column and the upper support plate.

[0009] To reduce frictional resistance and ensure smooth and flexible operation, the bearing is a thrust ball bearing.

[0010] To improve structural strength and ensure structural stability and safety, four reinforcing plates are installed between the lower column heat treatment furnace bodies.

[0011] To improve the load-bearing capacity and smoothness of the gears, both the large gear and the small gear are helical gears.

[0012] The crossbeam is made of H-beams.

[0013] The electric hoist is a wire rope electric hoist.

[0014] The heat treatment frame includes a heat treatment basket and a lifting rod. The lifting rod is fixedly installed on the upper part of the heat treatment basket and protrudes upward in the middle. The protruding part is used for hoisting.

[0015] The heat treatment basket is made of 310S stainless steel.

[0016] The beneficial effects of this utility model are as follows:

[0017] 1. The present invention discloses a heat treatment device for metal parts. By using a heat treatment frame hoisting device set on the top of the heat treatment furnace, the space occupied on the ground is reduced, and the heat treatment frame can be quickly loaded and unloaded, thereby improving the heat treatment efficiency of metal parts. It is also convenient to operate and reduces the labor intensity of the operator.

[0018] 2、 The utility model discloses a kind of metal parts heat treatment device, quenching tank is provided in the side of heat treatment furnace body, metal parts can be more conveniently quenched or rapidly cooled, save the transfer time of metal parts, improve the quality and efficiency of heat treatment.

[0019] 3、 The utility model discloses a kind of metal parts heat treatment device, by optimizing the structure of heat treatment frame, the stability and security of metal parts processing are improved by facilitating the hoisting of heat treatment frame. BRIEF DESCRIPTION OF DRAWINGS

[0020] The scheme and advantages of the present application will become clear and obvious to those skilled in the art by reading the following detailed description of the preferred embodiments. The accompanying drawings are merely for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present utility model.

[0021] In the drawings:

[0022] Figure 1 It is the front view of a kind of metal parts heat treatment device of the utility model embodiment;

[0023] Figure 2 It is the plan view of a kind of metal parts heat treatment device of the utility model embodiment;

[0024] Figure 3 It is Figure 1 Enlarged schematic view in I in

[0025] Figure 4 It is the heat treatment frame structure schematic view of a kind of metal parts heat treatment device.

[0026] Components represented by each reference numeral in the drawing are:

[0027] The utility model:1, heat treatment furnace body, 2, reinforcing plate, 3, lower stand, 4, upper stand, 5, large gear, 6, small gear, 7, mounting plate, 8, motor reducer, 9, upper support plate, 10, bearing, 11, crossbeam, 12, electric hoist, 13, heat treatment frame, 13a, heat treatment basket, 13b, boom, 14, furnace car, 15, quenching tank. DETAILED DESCRIPTION

[0028] As Figures 1 to 4As shown, a metal part heat treatment device, comprising a heat treatment furnace body 1 and a furnace car 14, the furnace car 14 can enter and exit the heat treatment furnace body 1, also comprising a heat treatment frame 13 and a heat treatment frame hoisting device, the heat treatment frame 13 can contain metal parts, preferably, the heat treatment frame 13 comprises a heat treatment basket 13a and a boom 13b, the boom 13b is fixedly installed on the upper part of the heat treatment basket 13a and the middle part is upwardly protruding, the protruding part is used for hoisting, by optimizing the structure of the heat treatment frame, the hoisting of the heat treatment frame is facilitated, thereby improving the stability and safety of the metal part treatment; preferably, the heat treatment basket 13a is made of 310S stainless steel, which can work at a high temperature of more than 800℃, has excellent thermal stability, which enables the heat treatment basket to be used stably for a long time in a high temperature environment and is not easy to oxidize or change structure, and has excellent mechanical properties, including strength, hardness, toughness and fatigue resistance, etc., has good corrosion resistance, can resist corrosion and erosion of most chemical media, including acid, alkali, salt, etc.; the heat treatment frame hoisting device comprises a lower column 3, an upper column 4, a large gear 5, a small gear 6, a mounting plate 7, a motor reducer 8, an upper support plate 9, a cross beam 11 and an electric hoist 12, the lower column 3 is fixedly installed on the top of the heat treatment furnace body 1, preferably, four reinforcing plates 2 are arranged between the lower column 3 and the heat treatment furnace body 1; the reinforcing plate 2 can improve the structural strength between the lower column 3 and the heat treatment furnace body 1, and ensure the stability and safety of the structure; the upper column 4 is rotatably sleeved in the lower column 3, the large gear 5 is coaxially fixedly installed on the lower part of the upper column 4, the mounting plate 7 is fixedly installed on the upper part of the lower column 3, the motor reducer 8 is fixedly installed on the mounting plate 7 and the output shaft of the motor reducer 8 is coaxially fixedly installed with the small gear 6, the small gear 6 is engaged with the large gear 5, preferably, the large gear 5 and the small gear 6 are both helical gears; compared with spur gears, the teeth of helical gears are longer than those of spur gears, so more power can be transmitted between parallel shafts, the bearing capacity and contact are higher, the inclined design of the tooth surface of the helical gear enables the gear to gradually contact and separate during meshing, realizes smooth transmission, reduces impact and vibration, so the operation is more stable and quiet, and the meshing process of the helical gear is longer than that of the spur gear, that is, the degree of coincidence is larger, thereby reducing the load of each pair of gears, improving the bearing capacity of the gears, prolonging the service life of the gears, and making the transmission smooth; the upper support plate 9 is fixedly installed on the upper column 4 and located below the large gear 5, the upper support plate 9 can rotate relative to the lower column 3, preferably, a bearing 10 is arranged between the lower column 3 and the upper support plate 9; preferably, the bearing 10 is a thrust ball bearing; the thrust ball bearing can bear larger axial load and is suitable for high axial force application occasions, has simple structure, convenient installation and removal, low maintenance cost, small friction resistance, can ensure the stability and flexibility of operation, and the installation and maintenance of the thrust ball bearing are relatively simple;The cross beam 11 is fixedly installed at the top of the upper stand column 4, and preferably, the cross beam 11 is made of H-shaped steel; the cross-sectional size of the H-shaped steel is reasonably designed, can bear larger bending and shearing force, has higher carrying capacity, ensures the stability and safety of the structure, the H-shaped steel can be formed through cold bending, cutting, welding and other processing technologies to meet the needs of different construction and manufacturing projects, the bending resistance of the H-shaped steel is about 5%-10% larger than that of the I-shaped steel, the flange is wide and the web is thin, and 15%-20% of metal can be saved in various truss structures; the electric hoist 12 is movably installed on the cross beam 11, and preferably, the electric hoist 12 is a steel wire rope electric hoist; the steel wire rope electric hoist is compact in design, convenient to install and carry, suitable for use in limited space, easy to operate, can quickly lift heavy objects and improve work efficiency, the electric hoist can bear heavy load, has excellent running ability and reliability in various application environments, and has relatively low maintenance cost, only needs regular maintenance and replacement of vulnerable parts, and the electric hoist 12 can hoist the heat treatment frame 13.

[0029] As shown in Figure 1 and Figure 2 , the side of the heat treatment furnace body 1 is provided with a quenching box 15; by arranging the quenching box on the side of the heat treatment furnace body, the metal parts can be more conveniently quenched or rapidly cooled, the transfer time of the metal parts is saved, and the quality and efficiency of the heat treatment are improved.

[0030] As shown in Figures 1 to 4As shown, when the metal parts need heat treatment, first start the motor reducer 8, the motor reducer 8 drives the pinion 6 to rotate, thereby driving the gear 5 to rotate, the gear 5 is fixedly connected with the upper column 4, so the upper column 4 rotates together with the cross beam 11, through the operation of the electric hoist 12, the heat treatment frame 13 containing the metal parts is placed on the furnace car 14, then the furnace car 14 is started to push the metal parts into the heat treatment furnace body 1 for heat treatment; after the heat treatment is finished, the furnace car 14 is operated to open out from the heat treatment furnace body 1, according to the heat treatment requirement, the electric hoist 12 is operated to lift the heat treatment frame 13 from the furnace car 14, then the motor reducer 8 is started, the upper column 4 rotates together with the cross beam 11, and the heat treatment frame 13 is lifted and transported to above the quenching tank 15, then the electric hoist 12 is operated to move the heat treatment frame 13 downward and finally place it into the quenching tank 15, the metal parts in the heat treatment frame 13 are quenched or rapidly cooled through the quenching liquid or cooling water in the quenching tank 15, finally the electric hoist 12 is operated to lift the heat treatment frame 13 from the quenching tank 15 and transport it to the designated place, thereby the heat treatment of the metal parts is completed.

[0031] The metal part heat treatment device of the embodiment can quickly realize the loading and unloading of the heat treatment frame through the heat treatment frame lifting device, thereby improving the heat treatment efficiency of the metal parts, and facilitating the operation and reducing the labor intensity of the operator; the quenching tank is arranged on the side of the heat treatment furnace body, which can more conveniently rapidly cool the metal parts, save the transfer time of the metal parts, and improve the quality and efficiency of the heat treatment.

Claims

1. A metal part heat treatment apparatus comprising a heat treatment furnace body (1) and a furnace car (14) which is movable into and out of the heat treatment furnace body (1), characterized in that, The application also discloses a heat treatment frame and a heat treatment frame hoisting device, wherein the heat treatment frame can contain metal parts, and the heat treatment frame hoisting device comprises a lower stand (3), an upper stand (4), a large gear (5), a small gear (6), a mounting plate (7), a motor reducer (8), an upper support plate (9), a cross beam (11) and an electric hoist (12), the lower stand (3) is fixedly installed on the top of the heat treatment furnace body (1), the upper stand (4) is rotatably sleeved in the lower stand (3), the large gear (5) is coaxially fixedly installed on the lower part of the upper stand (4), the mounting plate (7) is fixedly installed on the upper part of the lower stand (3), the motor reducer (8) is fixedly installed on the mounting plate (7), and the output shaft of the motor reducer (8) is coaxially fixedly installed with the small gear (6), the small gear (6) is engaged with the large gear (5), the upper support plate (9) is fixedly installed on the upper stand (4) and located below the large gear (5), the upper support plate (9) can rotate relative to the lower stand (3), the cross beam (11) is fixedly installed on the top of the upper stand (4), the electric hoist (12) is horizontally movably installed on the cross beam (11), and the electric hoist (12) can hoist the heat treatment frame (13).

2. The apparatus for heat treating metal parts according to claim 1, wherein The side of the heat treatment furnace body (1) is provided with a quenching box (15).

3. The apparatus of claim 1, wherein: The lower stand (3) and the upper support plate (9) are provided with a bearing (10).

4. The apparatus of claim 3, wherein The bearing (10) is a thrust ball bearing.

5. The apparatus of claim 1 wherein, The lower stand (3) and the heat treatment furnace body (1) are provided with four reinforcing plates (2).

6. The apparatus of claim 1 wherein, The large gear (5) and the small gear (6) are both helical gears.

7. The apparatus of claim 1 wherein, The cross beam (11) is made of H-shaped steel.

8. The apparatus of claim 1 wherein, The electric hoist (12) is a steel wire rope electric hoist.

9. The apparatus of claim 1 wherein, The heat treatment frame (13) comprises a heat treatment basket (13a) and a lifting rod (13b), the lifting rod (13b) is fixedly installed on the upper part of the heat treatment basket (13a) and protrudes upward in the middle part, and the protruding part is used for hoisting.

10. The apparatus of claim 9, wherein: The heat treatment basket (13a) is made of 310S stainless steel.

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