CN215050560U

CN215050560U - Shaft heat treatment lifting appliance

Info

Publication number: CN215050560U
Application number: CN202120564566.2U
Authority: CN
Inventors: 施纵横; 程彦娜
Original assignee: Changzhou Tianshan Heavy Industry Machinery Co ltd
Current assignee: Changzhou Tianshan Heavy Industry Machinery Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-12-07
Anticipated expiration: 2031-03-19

Abstract

The utility model relates to a thermal treatment operation technical field, in particular to axle piece thermal treatment hoist, including mounting panel and hoisting plate, be equipped with the mounting structure who is used for installing the axle piece of treating thermal treatment on the mounting panel, be equipped with the mating holes that is arranged in inserting the plug in the thermal treatment frock on the hoisting plate, the thermal treatment frock is still including the frock bearing structure who is used for hanging the plug, the utility model discloses an axle piece passes through the hoist, adopts the mode of hanging to carry out the carburizing and quenching, hangs the carburizing and quenches and can effectively avoid axle piece thermal treatment bending deformation, reduces the degree of difficulty of follow-up machine tooling, improves machining efficiency.

Description

Shaft heat treatment lifting appliance

Technical Field

The utility model relates to a heat treatment operation technical field, in particular to axle piece heat treatment hoist.

Background

At the present stage, the spline sun wheel shaft and other parts are mainly subjected to vertical carburizing and quenching, namely, the spline sun wheel shaft and other parts are vertically placed on a tool and are welded and fixed through angle iron and other means, and heat treatment operations such as carburizing and quenching are carried out. The heat treatment furnace charging mode is easy to generate bending deformation, the deformation heat treatment reworking difficulty is high, the machining difficulty of subsequent gear grinding and the like is increased, and the workpiece is difficult to rescue and scrapped.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the fixed form of axle piece one end that prior art exists leads to the thermal treatment process to produce bending deformation, the utility model provides a prevent to produce crooked axle piece thermal treatment hoist in the axle piece thermal treatment process.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides an axle piece thermal treatment hoist, includes mounting panel and hoisting plate, is equipped with the mounting structure who is used for installing the axle piece of treating thermal treatment on the mounting panel, the hoisting plate on be equipped with the mating holes that is used for inserting the plug in the thermal treatment frock, the thermal treatment frock is still including being used for the frock bearing structure hung with the plug.

Furthermore, the inner diameter of the matching hole is gradually changed.

Furthermore, the matching holes comprise a first size hole at the first end and a second size hole at the other end, and the first size hole and the second size hole are communicated through a transition hole section.

Furthermore, both side surfaces of the transition hole section are planes tangent to the first size hole and the second size hole.

Further, the mounting structure include the bolt, the mounting panel on be equipped with the bolt spout, the axle piece on be equipped with bolt complex screw hole.

Further, frock bearing structure include pit furnace frock jib, the lower extreme of pit furnace frock jib install first chassis, pit furnace frock jib on install the tray in first chassis top, the tray on be equipped with the through-hole that supplies the shaft to pass, the plug pass the mating holes after hang in the upper end of tray.

Further, frock bearing structure include the second chassis, the second chassis on be equipped with multi-purpose stove frock inserted bar, multi-purpose stove frock inserted bar on install the rail, the plug pass the mating holes after hang in the upper end of rail.

Furthermore, the middle of the mounting plate is provided with a through hole for air circulation, so that the circulation of atmosphere and the quenching and cooling effects in the carburizing and quenching process are ensured.

Has the advantages that:

(1) the shaft is subjected to carburizing and quenching in a suspension mode through a lifting appliance, and the suspension carburizing and quenching can effectively avoid the bending deformation of the shaft due to heat treatment, reduce the difficulty of subsequent machining and improve the machining efficiency; the matched bolt of the lifting appliance also plays a role in preventing seepage of the threaded hole, prevents the threaded hole from carburizing and deforming, has overhigh hardness and is beneficial to the subsequent processing of the threaded hole;

(2) the lifting appliance is fixedly connected with a lifting opening of the workpiece through a customized bolt, can be disassembled for recycling, and can be suitable for shaft pieces with different diameters by matching with a bolt sliding groove;

(3) the gradual change type matching holes are adopted, so that the device can be matched with core rods with different sizes, and the suspension height is adjusted under the condition that the load of the core rods meets, thereby being beneficial to improving the heat treatment charging efficiency;

(4) through the calculation of bearing of the heat-resistant steel, the related size parameters of the heat-resistant steel plate, the bolt and the core rod are adjusted, the lifting appliance can be adjusted, the range of the use object is expanded, and the lifting appliance is suitable for shaft members with different weights.

Drawings

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

FIG. 1 is a front partial cross-sectional view of a heat treatment hanger for shafts;

FIG. 2 is a top view of a heat treatment hanger for a shaft;

FIG. 3 is a schematic view of a shaft furnace tooling furnace loading;

FIG. 4 is a schematic view of a multipurpose furnace tool charging;

fig. 5 is a schematic structural view of a splined sun gear shaft.

101, a hoisting plate, 102, a mounting plate, 2, a matching hole, 3, a bolt, 4, a bolt sliding groove, 5, a through hole, 6, a shaft furnace tool hanger rod, 7, a tray, 8, a first chassis, 9, a core rod, 10, a multipurpose furnace tool insertion rod, 11, a fence, 12, a second chassis, 13, a spline sun wheel shaft, 131, a spline, 132, a tooth part, 133 and the through hole.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1-2, the shaft heat treatment lifting appliance comprises a mounting plate 102 and a lifting plate 101, wherein the mounting plate 102 is provided with a mounting structure for mounting a shaft to be heat treated, the lifting plate 101 is provided with a matching hole 2 for inserting a core rod 9 in a heat treatment tool, and the heat treatment tool further comprises a tool supporting structure for suspending the core rod 9.

The inner diameter of the matching hole 2 is gradually changed. The cooperation hole 2 is including the first size hole that is located first end and the second size hole that is located the other end, one of them is minimum dimension in first size hole and the second size hole, another is maximum dimension, then link up through the transition hole section between first size hole and the second size hole, the both sides face of transition hole section is the plane tangent with first size hole and second size hole are equal, cooperation hole 2 sets up to the gradual change form, and smooth transition, the width of transition hole section corresponds the diameter in various apertures, realize stepless size adjustment, application range is wide.

The mounting structure comprises a bolt 3, a bolt sliding groove 4 is arranged on the mounting plate 102, and a threaded hole matched with the bolt 3 is formed in the shaft.

The middle of the mounting plate 102 is provided with a through hole 5 for air circulation.

Example 1:

as shown in fig. 1, the tool supporting structure comprises a pit furnace tool hanger rod 6, a first chassis 8 is installed at the lower end of the pit furnace tool hanger rod 6, a tray 7 is installed above the first chassis 8 on the pit furnace tool hanger rod 6, a through hole for a shaft to pass through is formed in the tray 7, and a core rod 9 is suspended at the upper end of the tray 7 after passing through the matching hole 2.

Example 2:

as shown in fig. 2, the tool supporting structure includes a second chassis 12, a multi-purpose furnace tool insert rod 10 is fixed on the second chassis 12, a fence 11 is installed on the multi-purpose furnace tool insert rod 10, and a core rod 9 is suspended at the upper end of the fence 11 after passing through the mating hole 2.

The utility model discloses a shaft heat treatment hoist circulated use, adjustable screw interval, adjustable height that hangs is applicable to the carburization guenching unit that hangs of multiple middle-size and small-size spline sun gear axle and similar structure work piece.

The utility model is suitable for a shaft heat treatment hanger, a shaft furnace tool rack, a multipurpose furnace tool rack and the like;

as an embodiment of the present invention, the shaft member is a spline sun gear shaft, as shown in fig. 5, one end of the shaft member is provided with splines, the other end is provided with normal teeth, the middle is provided with a through hole, and the end surface is provided with a common structure of a hoisting hole;

the shaft heat treatment lifting appliance of the utility model is matched with the customized bolt and the core rod to mount and fix the spline shaft and the tool frame or the fence;

the utility model discloses a hoisting plate 101 of axle spare heat treatment hoist adopts heat-resisting steel sheet material, bolt 3 is the heat-resisting steel bolt of supporting customization, plug 9 is heat-resisting steel plug, use bolt 3 to be together fixed hoist and axle spare through axle spare self hole of hoist, use plug 9 to pass mating holes 2 of gradual change formula to fix the axle spare on frock tray 7 or rail 11, the realization is hung, through-hole 5 mainly is to the spline sun gear axle that has the through-hole structure, ensure its circulation and the quenching cooling effect in carburization quenching in-process atmosphere.

The lifting appliance can greatly avoid the problem that workpieces are scrapped due to the fact that the spline sun wheel shaft is bent and deformed in the heat treatment process, reworking is difficult again in the heat treatment process, and the subsequent spline machining difficulty is increased; the hanger can be recycled, the screw hole interval can be adjusted, the hanging height can be adjusted, and the hanger is suitable for various middle and small spline sun gear shafts or other shaft parts.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The heat treatment lifting appliance for the shaft element is characterized by comprising a mounting plate (102) and a lifting plate (101), wherein the mounting plate (102) is provided with a mounting structure for mounting the shaft element to be subjected to heat treatment, the lifting plate (101) is provided with a matching hole (2) for inserting a core rod (9) in a heat treatment tool, and the heat treatment tool further comprises a tool supporting structure for hanging the core rod (9).

2. The heat treatment lifting appliance for the shaft element according to claim 1, wherein: the inner diameter of the matching hole (2) is gradually changed.

3. The heat treatment lifting appliance for the shaft element according to claim 2, wherein: the matching holes (2) comprise a first size hole at the first end and a second size hole at the other end, and the first size hole is communicated with the second size hole through a transition hole section.

4. The heat treatment lifting appliance for the shaft element according to claim 3, wherein: both sides face of the transition hole section are planes tangent to the first size hole and the second size hole.

5. The heat treatment lifting appliance for the shaft element according to claim 1, wherein: the mounting structure comprises a bolt (3), a bolt sliding groove (4) is formed in the mounting plate (102), and the shaft is matched with the bolt (3).

6. The heat treatment lifting appliance for the shaft element according to claim 1, wherein: frock bearing structure include pit furnace frock jib (6), the lower extreme of pit furnace frock jib (6) install first chassis (8), pit furnace frock jib (6) on install tray (7) in first chassis (8) top, tray (7) on be equipped with the through-hole that supplies the shaft to pass, plug (9) hang the upper end at tray (7) after passing mating holes (2).

7. The heat treatment lifting appliance for the shaft element according to claim 1, wherein: frock bearing structure include second chassis (12), second chassis (12) on be equipped with multi-purpose stove frock inserted bar (10), multi-purpose stove frock inserted bar (10) on install rail (11), plug (9) pass behind mating holes (2) and hang in the upper end of rail (11).

8. The heat treatment lifting appliance for the shaft element according to claim 1, wherein: the middle of the mounting plate (102) is provided with a through hole (5) for air circulation.