CN113789435A - Special-shaped joint bearing inner ring heat treatment clamp - Google Patents
Special-shaped joint bearing inner ring heat treatment clamp Download PDFInfo
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- CN113789435A CN113789435A CN202111201805.9A CN202111201805A CN113789435A CN 113789435 A CN113789435 A CN 113789435A CN 202111201805 A CN202111201805 A CN 202111201805A CN 113789435 A CN113789435 A CN 113789435A
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- handle
- inner ring
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- heat treatment
- connecting rod
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/28—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for plain shafts
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a heat treatment clamp for an inner ring of a special-shaped joint bearing, which comprises a connecting rod, wherein an external thread connected with an internal thread of the inner ring is arranged on the connecting rod, a handle connector is arranged at the other end of the connecting rod, a unthreaded hole is formed in the handle connector, and a handle is arranged in the unthreaded hole. The fixture has a simple structure, is convenient to install, meets the design requirement for the size of the internal thread after the fixture and the special-shaped knuckle bearing inner ring are subjected to heat treatment together, reduces the difficulty of repairing the internal thread, reduces the labor intensity, greatly improves the production efficiency, and reduces the defective rate.
Description
Technical Field
The invention belongs to the technical field of auxiliary heat treatment tools, and particularly relates to a heat treatment clamp for an inner ring of a special-shaped joint bearing.
Background
An inner ring of a special-shaped joint bearing is of a special-shaped structure with an internal threaded hole, heat treatment is needed in the machining process, the internal threaded hole is reduced and deformed after the heat treatment, the inner ring is made of stainless steel materials, the mechanical cutting performance is poor, the reduced deformation of the threaded hole after the heat treatment is difficult to repair, the inner ring cannot be cut by methods such as a screw tap and the like, the inner ring is difficult to machine, and the design requirements cannot be met. Therefore, a fixture is urgently needed to be designed to assist heat treatment processing and reduce the shrinkage and deformation of the internal thread of the special-shaped knuckle bearing inner ring after heat treatment.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a heat treatment clamp for an inner ring of a special-shaped joint bearing.
The utility model provides a dysmorphism joint bearing inner race heat treatment anchor clamps, includes the connecting rod, be equipped with the external screw thread with inner race internal thread connection on the connecting rod, the other end of connecting rod is equipped with the handle connector, be equipped with the unthreaded hole on the handle connector, be equipped with the handle in the unthreaded hole.
For convenience of connection, the length of the external thread is two thirds of the length of the connecting rod, and the length of the external thread is the same as that of the internal thread of the inner ring.
In order to take down the clamp conveniently, the handle connector and the connecting rod are integrally formed, the two sides of the handle connector are flat, and the handle is convenient to mount.
In order to reduce the shrinkage and deformation of the inner ring threaded hole, the connecting rod is made of 9Cr 18.
Preferably, the handle is an L-shaped handle, a first pin hole (not shown in the figure, the same below) is formed in one end of the L-shaped handle, the end provided with the first pin hole penetrates through the unthreaded hole, and a first pin is arranged in the first pin hole.
Preferably, the handle is a straight rod handle, a second pin hole (not shown in the figure, the same below) is formed in one end of the straight rod handle, one end provided with the second pin hole penetrates through the unthreaded hole, a second pin is arranged in the second pin hole, and a handheld portion is arranged at the other end of the straight rod handle.
In order to facilitate the rotation of the handle and prevent slipping, anti-slipping lines are arranged on the hand-held part.
Compared with the prior art, the heat treatment clamp for the special-shaped knuckle bearing inner ring has the beneficial effects that: the fixture has a simple structure, is convenient to install, meets the design requirement for the size of the internal thread after the fixture and the special-shaped knuckle bearing inner ring are subjected to heat treatment together, reduces the difficulty of repairing the internal thread, reduces the labor intensity, greatly improves the production efficiency, and reduces the defective rate.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a fixture for heat treatment of an inner race of a special-shaped spherical plain bearing according to the invention;
FIG. 2 is a state diagram of use of embodiment 1;
FIG. 3 is a state diagram of the use of embodiment 2.
As shown in the figure, the special-shaped joint bearing comprises a connecting rod 1, an external thread 2, a handle connector 3, a unthreaded hole 4, an L-shaped handle 5, a pin I6, a straight rod handle 7, a pin II 8, a handheld part 9 and a special-shaped joint bearing inner ring 10.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, proportions, and dimensions shown in the drawings and described herein are for illustrative purposes only and are not intended to limit the scope of the present invention, which is defined by the claims, but rather by the claims. Meanwhile, the terms such as "above" and the like used in the present specification are for convenience of description only and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be considered as the scope of the present invention without substantial changes in the technical content.
Example 1
As shown in fig. 1 and 2, the heat treatment clamp for the inner ring of the special-shaped knuckle bearing comprises a connecting rod 1, wherein an external thread 2 connected with an internal thread of the inner ring is arranged on the connecting rod 1, a handle connector 3 is arranged at the other end of the connecting rod 1, a unthreaded hole 4 is formed in the handle connector 3, and a handle is arranged in the unthreaded hole 4.
For the convenience of connection, the length of the external thread 2 is two thirds of the length of the connecting rod 1, and the length of the external thread 2 is the same as that of the internal thread of the inner ring. In order to reduce the shrinkage and deformation of the internal thread hole of the inner ring, the connecting rod 1 is made of 9Cr18, the size of the internal thread of the inner ring 10 of the special-shaped knuckle bearing is M10 multiplied by 1.25, and the size of the external thread 2 on the connecting rod 1 is M10 multiplied by 1.25.
In order to take off the clamp conveniently, the handle connector 3 and the connecting rod 1 are integrally formed, the two sides of the handle connector 3 are flat, the handle is convenient to install, the handle is an L-shaped handle 5, one end of the L-shaped handle 5 is provided with a first pin hole, one end provided with the first pin hole penetrates through the unthreaded hole 4, and a first pin 6 is arranged in the first pin hole.
The embodiment is realized by the following steps: during the use, through L type handle 5 with the internal thread connection of the external screw thread 2 on the connecting rod 1 with dysmorphism joint bearing inner race 10, after the connection is accomplished, take off pin 6, then take out L type handle 5, carry out thermal treatment quenching, tempering with connecting rod 1 and dysmorphism joint bearing inner race 10 together, after the thermal treatment is accomplished, penetrate L type handle 5 in unthreaded hole 4 again, insert pin 6, then rotate L type handle 5 to take out connecting rod 1.
Example 2
As shown in fig. 1 and 3, the heat treatment clamp for the inner ring of the special-shaped knuckle bearing comprises a connecting rod 1, wherein an external thread 2 connected with an internal thread of the inner ring is arranged on the connecting rod 1, a handle connector 3 is arranged at the other end of the connecting rod 1, a unthreaded hole 4 is formed in the handle connector 3, and a handle is arranged in the unthreaded hole 4.
For the convenience of connection, the length of the external thread 2 is two thirds of the length of the connecting rod 1, and the length of the external thread 2 is the same as that of the internal thread of the inner ring. In order to reduce the shrinkage and deformation of the internal thread hole of the inner ring, the connecting rod 1 is made of 9Cr18, the size of the internal thread of the inner ring 10 of the special-shaped knuckle bearing is M10 multiplied by 1.25, and the size of the external thread 2 on the connecting rod 1 is M10 multiplied by 1.25.
In order to take off the clamp conveniently, the handle connector 3 and the connecting rod 1 are integrally formed, the two sides of the handle connector 3 are flat, the handle is convenient to mount, the handle is a straight rod handle 7, a second pin hole is formed in one end of the straight rod handle 7, one end provided with the second pin hole penetrates through the unthreaded hole 4, a second pin 8 is arranged in the second pin hole, and a handheld portion 9 is arranged at the other end of the straight rod handle 7.
In order to facilitate the rotation of the handle and prevent slipping, the hand-held part 9 is provided with anti-slipping lines.
The embodiment is realized by the following steps: when the connecting rod is used, the external thread 2 on the connecting rod 1 is connected with the internal thread of the special-shaped joint bearing inner ring 10 through the straight rod handle 7, the pin II 8 is taken down after the connection is completed, then the straight rod handle 7 is taken out, the connecting rod 1 and the special-shaped joint bearing inner ring 10 are subjected to heat treatment quenching and tempering together, after the heat treatment is completed, the straight rod handle 7 penetrates into the unthreaded hole 4, the pin II 8 is inserted, and then the straight rod handle 7 is rotated, so that the connecting rod 1 is taken out.
At present, the heat treatment process test is carried out, the test effect is good, so that the fixture is produced in batch, and after the fixture and the special-shaped knuckle bearing inner ring are subjected to heat treatment together, the size of the internal thread of the special-shaped knuckle bearing inner ring meets the design requirement.
The scope of the present invention is not limited to the technical solutions disclosed in the embodiments, and any modifications, equivalent substitutions, improvements, etc. made to the above embodiments according to the technical spirit of the present invention fall within the scope of the present invention.
Claims (7)
1. The clamp for heat treatment of the inner ring of the special-shaped knuckle bearing is characterized by comprising a connecting rod, wherein an external thread connected with an internal thread of the inner ring is arranged on the connecting rod, a handle connector is arranged at the other end of the connecting rod, a unthreaded hole is formed in the handle connector, and a handle is arranged in the unthreaded hole.
2. The heat treatment fixture for the special-shaped joint bearing inner ring as claimed in claim 1, wherein the length of the external thread is two thirds of the length of the connecting rod.
3. The fixture for heat treatment of the special-shaped knuckle bearing inner ring according to claim 1 or 2, wherein the handle connector and the connecting rod are integrally formed, and two sides of the handle connector are flat.
4. The heat treatment fixture for the special-shaped spherical plain bearing inner ring as claimed in claim 3, wherein the connecting rod is made of 9Cr 18.
5. The heat treatment fixture for the special-shaped joint bearing inner ring as claimed in claim 4, wherein the handle is an L-shaped handle, one end of the L-shaped handle is provided with a first pin hole, one end of the L-shaped handle provided with the first pin hole penetrates through the unthreaded hole, and a first pin is arranged in the first pin hole.
6. The heat treatment fixture for the special-shaped joint bearing inner ring as claimed in claim 4, wherein the handle is a straight rod handle, one end of the straight rod handle is provided with a second pin hole, one end of the straight rod handle provided with the second pin hole penetrates through the unthreaded hole, a second pin is arranged in the second pin hole, and the other end of the straight rod handle is provided with a handheld portion.
7. The fixture for heat treatment of the special-shaped spherical plain bearing inner ring according to claim 6, wherein the hand-held portion is provided with anti-slip lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111201805.9A CN113789435A (en) | 2021-10-15 | 2021-10-15 | Special-shaped joint bearing inner ring heat treatment clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111201805.9A CN113789435A (en) | 2021-10-15 | 2021-10-15 | Special-shaped joint bearing inner ring heat treatment clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113789435A true CN113789435A (en) | 2021-12-14 |
Family
ID=79184967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111201805.9A Pending CN113789435A (en) | 2021-10-15 | 2021-10-15 | Special-shaped joint bearing inner ring heat treatment clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113789435A (en) |
-
2021
- 2021-10-15 CN CN202111201805.9A patent/CN113789435A/en active Pending
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