CN211142110U

CN211142110U - Crankshaft quenching supporting device

Info

Publication number: CN211142110U
Application number: CN201921500729.XU
Authority: CN
Inventors: 侯西斌; 吴友强; 李�诚; 柳海昭; 李德振
Original assignee: Agc Laiwu Co ltd
Current assignee: Agc Laiwu Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-07-31
Anticipated expiration: 2029-09-10

Abstract

The utility model relates to a crankshaft quenching supporting device, which comprises an electric furnace, a quenching disc capable of entering and moving out of the electric furnace, a supporting frame with the lower end fixed in a quenching tank, a lifting disc positioned in the quenching tank and capable of moving up and down, and a driving mechanism I connected between the supporting frame and the lifting disc and capable of driving the lifting disc to move up and down; the lifting disc comprises a plurality of parallel placing rods I, a space is formed between every two adjacent placing rods I, the size of each space is equal, one end of each placing rod I is connected with a connecting rod I perpendicular to the placing rod I, and each placing rod I is rotatably connected with the connecting rod I; the quenching disc comprises a plurality of parallel placing rods II, each two adjacent placing rods II are spaced, the size of each space is equal, and one ends of the placing rods II are connected with connecting rods II perpendicular to the placing rods II. The crankshaft has good supporting stability, the crankshaft is convenient to transfer on the placing plate and the lifting plate, and the service life of the placing plate is prolonged.

Description

Crankshaft quenching supporting device

Technical Field

The utility model belongs to the technical field of bent axle quenching technique and specifically relates to a bent axle quenching strutting arrangement.

Background

The crankshaft is the most important part of the engine, and the crankshaft bears the force transmitted by the connecting rod and converts the force into torque to be output through the crankshaft and drive other accessories on the engine to work. When the crankshaft is subjected to fine machining, heat treatment such as quenching is generally required, wherein the quenching is a heat treatment process of heating a product to a certain temperature, preheating for a period of time, then reheating to a temperature above a critical temperature, preserving heat for a period of time to enable the product to be fully or partially austenitized, and then rapidly cooling to a temperature below Ms (or isothermal temperature near Ms) at a cooling speed higher than a critical cooling speed to perform martensite (or bainite) transformation.

The existing quenching mode is that a crankshaft and a crankshaft placing disc are pushed into a hearth, and after heating and heat preservation are carried out for a period of time, the crankshaft and the crankshaft placing disc are pushed out of the heating hearth and are placed on a quenching supporting device.

The existing quenching supporting device quickly puts the crankshaft and the crankshaft placing disc into the quenching tank 1 for quenching, and the crankshaft placing disc is repeatedly heated and quenched, so that the service life of the crankshaft placing disc is seriously shortened; in the quenching process, the crankshaft is easy to roll, and the placing stability of the crankshaft is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a crankshaft quenching strutting arrangement.

The technical scheme of the utility model is realized like this: a crankshaft quenching supporting device comprises an electric furnace, a quenching disc capable of entering and moving out of the electric furnace, a supporting frame with the lower end fixed in a quenching tank, a lifting disc positioned in the quenching tank and capable of moving up and down, and a driving mechanism I connected between the supporting frame and the lifting disc and capable of driving the lifting disc to move up and down;

the lifting disc comprises a plurality of parallel placing rods I, a space is formed between every two adjacent placing rods I, the size of each space is equal, one end of each placing rod I is connected with a connecting rod I perpendicular to the placing rod I, and each placing rod I is rotatably connected with the connecting rod I;

the quenching disc comprises a plurality of parallel placing rods II, a space exists between every two adjacent placing rods II, the size of each space is equal, and one end of each placing rod II is connected with a connecting rod II perpendicular to the placing rod II;

connect on quenching dish and drive its entering electric stove or with the actuating mechanism II of lifting disk on same vertical plane, quench dish and lifting disk when same vertical plane, place II poles and place I pole about and the interval setting, arbitrary one is placed II homoenergetic of pole and is passed between two adjacent placing I poles.

As preferred technical scheme, actuating mechanism I is the lift cylinder, and the outer jar and the support frame of lift cylinder are fixed, and the piston rod of lift cylinder is fixed with I of connecting rod of lifting disk.

As preferred technical scheme, lifting disk sliding connection is on quenching inslot wall, specifically is to install the guide rail I of a vertical setting respectively on two inner walls that the quenching groove is relative, and the lifting disk is located the pole I of placing of both sides and fixes a slider I respectively, and two sliders I correspond respectively install in two guide rails I and can follow guide rail I and reciprocate.

According to the preferable technical scheme, the driving mechanism II is a push-pull air cylinder, and a piston rod of the push-pull air cylinder is connected with a connecting rod II of the quenching disc.

According to the preferable technical scheme, a guide rail II is installed in the electric furnace, the guide rail II extends to the upper portion of the quenching tank and is fixed with the upper end of the quenching tank, a sliding block II is installed on the quenching disc, and the sliding block II is installed in the guide rail II and can move along the guide rail II.

As the preferred technical scheme, a buffer mechanism is arranged at the bottom of the quenching tank, and when the driving mechanism I falls down freely due to accidents, the buffer mechanism can play a buffer role to avoid damage of the crankshaft, and is a buffer spring.

Due to the adoption of the technical scheme, the utility model discloses following outstanding beneficial effect has:

the utility model has simple structure, the crankshaft can be conveniently transferred between the quenching disc and the lifting disc through the structures of the quenching disc and the lifting disc, the heating on the quenching disc and the cooling on the lifting disc are realized, the frequent heating and cooling of the placing disc are avoided, and the service life of the placing disc is prolonged; the crankshaft is placed between the two adjacent placing rods I or the two adjacent placing rods II, so that the crankshaft is prevented from rolling, the stability of crankshaft support is ensured, and quenching work is facilitated; when the bent axle shifts from quenching dish to lifting disk, because lifting disk place pole I and I rotation of connecting rod are connected, the bent axle with place for rolling friction relation between the pole I, very big reduction to the wearing and tearing of bent axle, guaranteed bent axle product quality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic top view of the present invention in state i.

Fig. 2 is a schematic view of the structure in the direction a of fig. 1.

Fig. 3 is the utility model discloses the overhead structure sketch map of dish is placed to crane and bent axle when state II.

Fig. 4 is a schematic diagram of the position relationship between the lifting plate and the placing plate of the present invention on the same vertical plane.

In the figure: 1-quenching tank; 2-a support frame; 3-a driving mechanism I; 4-placing a rod I; 5-connecting rod I; 6-placing a rod II; 7-connecting rod II; 8-a driving mechanism II; 9-guide rail I; 10-a slide block I; 11-guide rail II; 12-a slide block II; 13-a buffer mechanism; 14-crankshaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the utility model comprises an electric furnace, a quenching plate which can enter and shift out the electric furnace, a supporting frame 2 whose lower end is fixed on a quenching tank 1, a lifting plate which is positioned in the quenching tank 1 and can move up and down, and a driving mechanism I3 which is connected between the supporting frame 2 and the lifting plate and can drive the lifting plate to move up and down.

The lifter plate includes a plurality of rods I4 of placing that are parallel to each other, and every adjacent two are placed and have interval and each interval size between the I4 of rod equal, and a plurality of one ends of placing I4 are connected rather than vertically connecting rod I5 jointly, and every is placed I4 of rod and all is rotated with connecting rod I5 and is connected. The crankshaft 14 is disposed between two adjacent set rods i 4 in the longitudinal direction of the set rods i 4.

Drive mechanism I3 is the lift cylinder, and the outer jar of lift cylinder is fixed with support frame 2, and the piston rod of lift cylinder is fixed with connecting rod I5 of lifting disk.

In order to further improve the stability of lifter plate, lifter plate sliding connection is on 1 inner wall of quenching groove, specifically is to install the guide rail I9 of a vertical setting respectively on 1 relative two inner walls of quenching groove, and the lifter plate is located the pole of placing of both sides and is fixed a slider I10 respectively on I4, and the installation that two sliders I10 correspond respectively can follow guide rail I9 and reciprocate in two guide rails I9.

The quenching disc comprises a plurality of parallel placing rods II 6, each two adjacent placing rods II 6 are spaced, the size of each space is equal, and one ends of the placing rods II 6 are connected with connecting rods II 7 perpendicular to the placing rods II. The crankshaft 14 is placed between two adjacent placing rods II 6 along the long axis direction of the placing rods II 6.

Connect on quenching dish and drive its entering electric stove or with the actuating mechanism II 8 of lifting disk on same vertical plane, as shown in fig. 4, when quenching dish and lifting disk were on same vertical plane, place II 6 of pole and place I4 and just interval setting from top to bottom, arbitrary one is placed II 6 homoenergetic of pole and is passed between two adjacent placing I4 of pole. The driving mechanism II 8 is a push-pull air cylinder, and a piston rod of the push-pull air cylinder is connected with the connecting rod II 7 of the quenching disc.

In order to stabilize the movement of the quenching disc, a guide rail II 11 is arranged in the electric furnace, the guide rail II 11 extends to the upper part of the quenching tank 1 and is fixed with the upper end of the quenching tank 1, a slide block II 12 is arranged on the quenching disc, and the slide block II 12 is arranged in the guide rail II 11 and can move along the guide rail II 11. In this embodiment, the two guide rails ii 11 are respectively located at two sides of the quenching disc.

A buffer mechanism 13 is arranged at the bottom of the quenching tank 1, when the driving mechanism I3 falls down freely due to an accident, the buffer mechanism 13 can play a role in buffering, the damage to a crankshaft 14 is avoided, and the buffer mechanism 13 is a buffer spring.

During the specific quenching work, firstly, the driving mechanism I3 is adjusted, the lifting disc is positioned below the guide rail II 11, the heated crankshaft 14 and the quenching disc are pushed out of the electric furnace through the driving mechanism II 8 and are pushed to the positions above the lifting disc and the quenching tank 1 along the guide rail II 11, at this time, the state is II, and as shown in figure 3, the crankshaft 14 is positioned on the quenching disc; adjusting a driving mechanism I3 to enable the lifting disc to move upwards and jack up the crankshaft 14 upwards, when the lifting disc is higher than the quenching disc, the crankshaft 14 falls onto the lifting disc, at the moment, the state is I, the quenching disc is pulled back to the electric furnace by adjusting a driving mechanism II 8, the driving mechanism I3 is adjusted, and the lifting disc and the crankshaft 14 are placed into the quenching tank 1 to be cooled.

The utility model has simple structure, the crankshaft 14 can be conveniently transferred between the quenching disc and the lifting disc through the structures of the quenching disc and the lifting disc, the heating on the quenching disc and the cooling on the lifting disc are realized, the frequent heating and cooling on the placing disc are avoided, and the service life of the placing disc is prolonged; the crankshaft 14 is placed between the two adjacent placing rods I4 or the two adjacent placing rods II 6, so that the crankshaft 14 is prevented from rolling, the stability of the crankshaft 14 support is ensured, and the quenching work is convenient; when bent axle 14 shifts from quenching dish to lifting disk, because lifting disk place I4 and I5 rotation of connecting rod are connected, bent axle 14 with place for rolling friction relation between the I4 of pole, very big reduction to the wearing and tearing of bent axle 14, guaranteed bent axle 14 product quality.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bent axle quenching strutting arrangement, includes electric stove, can get into and shift out quenching dish, the lower extreme of electric stove and be fixed in support frame (2) of quenching groove (1), its characterized in that: the quenching device also comprises a lifting disc which is positioned in the quenching tank (1) and can move up and down, and a driving mechanism I (3) which is connected between the supporting frame (2) and the lifting disc and can drive the lifting disc to move up and down;

the lifting disc comprises a plurality of parallel placing rods I (4), a space is formed between every two adjacent placing rods I (4), the size of each space is equal, one end of each placing rod I (4) is connected with a connecting rod I (5) perpendicular to the placing rods I (4), and each placing rod I (4) is rotatably connected with the connecting rod I (5);

the quenching disc comprises a plurality of parallel placing rods II (6), a space is formed between every two adjacent placing rods II (6), the size of each space is equal, and one end of each placing rod II (6) is connected with a connecting rod II (7) perpendicular to the placing rod II;

connect on quenching dish and can drive it and get into the electric stove or with the actuating mechanism II (8) of lifting disk on same vertical plane, quench dish and lifting disk when same vertical plane, place II (6) of pole and place pole I (4) and just interval setting from top to bottom, arbitrary one is placed II (6) homoenergetic of pole and is passed between two adjacent placing poles I (4).

2. The crankshaft quenching supporting device according to claim 1, wherein: the driving mechanism I (3) is a lifting cylinder, an outer cylinder of the lifting cylinder is fixed with the support frame (2), and a piston rod of the lifting cylinder is fixed with the connecting rod I (5) of the lifting disc.

3. The crankshaft quenching supporting device according to claim 1, wherein: lifting disk sliding connection is on quenching groove (1) inner wall, specifically is that install guide rail I (9) of a vertical setting respectively on two relative inner walls in quenching groove (1), and lifting disk is located and fixes slider I (10) respectively on placing pole I (4) of both sides, and the installation that corresponds respectively of two sliders I (10) is in two guide rails I (9) and can reciprocate along guide rail I (9).

4. The crankshaft quenching supporting device according to claim 1, wherein: and the driving mechanism II (8) is a push-pull air cylinder, and a piston rod of the push-pull air cylinder is connected with the connecting rod II (7) of the quenching disc.

5. The crankshaft quenching supporting device according to claim 1, wherein: install II (11) guide rails in the electric stove, II (11) guide rails extend to quenching groove (1) top and fixed with quenching groove (1) upper end, install II (12) sliders on the quenching dish, II (12) sliders are installed in II (11) guide rails and can be followed II (11) sliders.

6. The crankshaft quenching supporting device according to claim 1, wherein: a buffer mechanism (13) is arranged at the bottom of the quenching tank (1), and the buffer mechanism (13) is a buffer spring.